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- Log ----------------------------------------------------------------- commit 68c2cbedf02c33787a03f83b6f102249183d3824 Author: Arne Fitzenreiter arne_f@ipfire.org Date: Sat Sep 21 11:40:57 2013 +0200

kernel: update to 3.10.12.

-----------------------------------------------------------------------

Summary of changes: lfs/linux | 13 +- .../grsecurity-2.9.1-3.10.10-201308292131.patch | 110781 ------------------ 2 files changed, 8 insertions(+), 110786 deletions(-) delete mode 100644 src/patches/grsecurity-2.9.1-3.10.10-201308292131.patch

Difference in files: diff --git a/lfs/linux b/lfs/linux index e85cf53..b7df06b 100644 --- a/lfs/linux +++ b/lfs/linux @@ -24,9 +24,10 @@

include Config

-VER = 3.10.11 +VER = 3.10.12

RPI_PATCHES = linux-3.10.10-c1af7c6 +GRS_PATCHES = grsecurity-2.9.1-3.10.12-ipfire1.patch.xz

THISAPP = linux-$(VER) DL_FILE = linux-$(VER).tar.xz @@ -65,15 +66,17 @@ endif # Top-level Rules ############################################################################### objects =$(DL_FILE) \ - rpi-patches-$(RPI_PATCHES).patch.xz + rpi-patches-$(RPI_PATCHES).patch.xz \ + $(GRS_PATCHES)

$(DL_FILE) = $(URL_IPFIRE)/$(DL_FILE) rpi-patches-$(RPI_PATCHES).patch.xz = $(URL_IPFIRE)/rpi-patches-$(RPI_PATCHES).patch.xz +$(GRS_PATCHES) = $(URL_IPFIRE)/$(GRS_PATCHES)

-$(DL_FILE)_MD5 = 79e33380a4a74f35aabb6ae4713adab1 +$(DL_FILE)_MD5 = 16e43b3c9957cf5af44863d6809efe38 rpi-patches-$(RPI_PATCHES).patch.xz_MD5 = ef9274b3ff5d05daaaa4bdbe86ad00fc - +$(GRS_PATCHES)_MD5 = 563b6ff05687289cfebc07f2a66ded92

install : $(TARGET)

@@ -120,7 +123,7 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects)) # Grsecurity-patches ifneq "$(KCFG)" "-headers" ifneq "$(KCFG)" "-rpi" - cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/grsecurity-2.9.1-3.10.10-201308292131.patch + cd $(DIR_APP) && xz -c -d $(DIR_DL)/$(GRS_PATCHES) | patch -Np1 cd $(DIR_APP) && rm localversion-grsec cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-3.7-disable-compat_vdso.patch endif diff --git a/src/patches/grsecurity-2.9.1-3.10.10-201308292131.patch b/src/patches/grsecurity-2.9.1-3.10.10-201308292131.patch deleted file mode 100644 index ec95bfd..0000000 --- a/src/patches/grsecurity-2.9.1-3.10.10-201308292131.patch +++ /dev/null @@ -1,110781 +0,0 @@ -diff --git a/Documentation/dontdiff b/Documentation/dontdiff -index b89a739..79768fb 100644 ---- a/Documentation/dontdiff -+++ b/Documentation/dontdiff -@@ -2,9 +2,11 @@ - *.aux - *.bin - *.bz2 -+*.c.[012]*.* - *.cis - *.cpio - *.csp -+*.dbg - *.dsp - *.dvi - *.elf -@@ -14,6 +16,7 @@ - *.gcov - *.gen.S - *.gif -+*.gmo - *.grep - *.grp - *.gz -@@ -48,14 +51,17 @@ - *.tab.h - *.tex - *.ver -+*.vim - *.xml - *.xz - *_MODULES -+*_reg_safe.h - *_vga16.c - *~ - #*# - *.9 --.* -+.[^g]* -+.gen* - .*.d - .mm - 53c700_d.h -@@ -69,9 +75,11 @@ Image - Module.markers - Module.symvers - PENDING -+PERF* - SCCS - System.map* - TAGS -+TRACEEVENT-CFLAGS - aconf - af_names.h - aic7*reg.h* -@@ -80,6 +88,7 @@ aic7*seq.h* - aicasm - aicdb.h* - altivec*.c -+ashldi3.S - asm-offsets.h - asm_offsets.h - autoconf.h* -@@ -92,19 +101,24 @@ 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 -@@ -115,9 +129,11 @@ 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 -@@ -125,12 +141,15 @@ 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 -@@ -145,14 +164,14 @@ 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 -@@ -162,14 +181,15 @@ mach-types.h - machtypes.h - map - map_hugetlb --media - mconf -+mdp - miboot* - mk_elfconfig - mkboot - mkbugboot - mkcpustr - mkdep -+mkpiggy - mkprep - mkregtable - mktables -@@ -185,6 +205,8 @@ oui.c* - page-types - parse.c - parse.h -+parse-events* -+pasyms.h - patches* - pca200e.bin - pca200e_ecd.bin2 -@@ -194,6 +216,7 @@ perf-archive - piggyback - piggy.gzip - piggy.S -+pmu-* - pnmtologo - ppc_defs.h* - pss_boot.h -@@ -203,7 +226,10 @@ r200_reg_safe.h - r300_reg_safe.h - r420_reg_safe.h - r600_reg_safe.h -+realmode.lds -+realmode.relocs - recordmcount -+regdb.c - relocs - rlim_names.h - rn50_reg_safe.h -@@ -213,8 +239,12 @@ series - setup - setup.bin - setup.elf -+signing_key* -+size_overflow_hash.h - sImage -+slabinfo - sm_tbl* -+sortextable - split-include - syscalltab.h - tables.c -@@ -224,6 +254,7 @@ tftpboot.img - timeconst.h - times.h* - trix_boot.h -+user_constants.h - utsrelease.h* - vdso-syms.lds - vdso.lds -@@ -235,13 +266,17 @@ 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 -@@ -249,9 +284,12 @@ 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/kernel-parameters.txt b/Documentation/kernel-parameters.txt -index 2fe6e76..889ee23 100644 ---- a/Documentation/kernel-parameters.txt -+++ b/Documentation/kernel-parameters.txt -@@ -976,6 +976,10 @@ 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 -+ -+ - hashdist= [KNL,NUMA] Large hashes allocated during boot - are distributed across NUMA nodes. Defaults on - for 64-bit NUMA, off otherwise. -@@ -1928,6 +1932,10 @@ 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. -@@ -2195,6 +2203,25 @@ 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= -+ 0/1 to disable/enable slab object sanitization (enabled by -+ default). -+ -+ 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/Makefile b/Makefile -index b119684..13ac256 100644 ---- a/Makefile -+++ b/Makefile -@@ -241,8 +241,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ - - HOSTCC = gcc - HOSTCXX = g++ --HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer --HOSTCXXFLAGS = -O2 -+HOSTCFLAGS = -Wall -W -Wmissing-prototypes -Wstrict-prototypes -Wno-unused-parameter -Wno-missing-field-initializers -O2 -fomit-frame-pointer -fno-delete-null-pointer-checks -+HOSTCFLAGS += $(call cc-option, -Wno-empty-body) -+HOSTCXXFLAGS = -O2 -Wall -W -fno-delete-null-pointer-checks - - # Decide whether to build built-in, modular, or both. - # Normally, just do built-in. -@@ -414,8 +415,8 @@ 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 - $(Q)rm -f .tmp_quiet_recordmcount - -@@ -576,6 +577,65 @@ else - KBUILD_CFLAGS += -O2 - endif - -+ifndef DISABLE_PAX_PLUGINS -+ifeq ($(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_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.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 -+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_AFLAGS := $(KERNEXEC_PLUGIN_AFLAGS) -+export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGINS_AFLAGS CONSTIFY_PLUGIN -+ifeq ($(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 -+ - include $(srctree)/arch/$(SRCARCH)/Makefile - - ifdef CONFIG_READABLE_ASM -@@ -733,7 +793,7 @@ 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) $(drivers-m) \ -@@ -782,6 +842,8 @@ endif - - # The actual objects are generated when descending, - # make sure no implicit rule kicks in -+$(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) -@@ -791,7 +853,7 @@ $(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) $(build)=$@ - - # Store (new) KERNELRELASE string in include/config/kernel.release -@@ -835,6 +897,7 @@ prepare0: archprepare FORCE - $(Q)$(MAKE) $(build)=. - - # All the preparing.. -+prepare: KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS)) - prepare: prepare0 - - # Generate some files -@@ -942,6 +1005,8 @@ 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.'; -@@ -957,7 +1022,7 @@ 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 -@@ -1023,7 +1088,7 @@ MRPROPER_FILES += .config .config.old .version .old_version $(version_h) \ - 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 -+ signing_key.x509.signer tools/gcc/size_overflow_hash.h - - # clean - Delete most, but leave enough to build external modules - # -@@ -1063,6 +1128,7 @@ distclean: mrproper - ( -name '*.orig' -o -name '*.rej' -o -name '*~' \ - -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ - -o -name '.*.rej' \ -+ -o -name '.*.rej' -o -name '*.so' \ - -o -name '*%' -o -name '.*.cmd' -o -name 'core' ) \ - -type f -print | xargs rm -f - -@@ -1223,6 +1289,8 @@ 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 -@@ -1359,17 +1427,21 @@ 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 $@) -@@ -1379,11 +1451,15 @@ endif - $(cmd_crmodverdir) - $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ - $(build)=$(build-dir) --%/: 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 c2cbe4f..f7264b4 100644 ---- a/arch/alpha/include/asm/atomic.h -+++ b/arch/alpha/include/asm/atomic.h -@@ -250,6 +250,16 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - #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)) -+ - #define smp_mb__before_atomic_dec() smp_mb() - #define smp_mb__after_atomic_dec() smp_mb() - #define smp_mb__before_atomic_inc() smp_mb() -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 bc2a0da..8ad11ee 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 81a4342..348b927 100644 ---- a/arch/alpha/include/asm/pgtable.h -+++ b/arch/alpha/include/asm/pgtable.h -@@ -102,6 +102,17 @@ 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 b9e37ad..44c24e7 100644 ---- a/arch/alpha/kernel/osf_sys.c -+++ b/arch/alpha/kernel/osf_sys.c -@@ -1297,10 +1297,11 @@ 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; -@@ -1308,6 +1309,7 @@ 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); - } - -@@ -1340,20 +1342,24 @@ 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 0c4132d..88f0d53 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 18a9f5e..ca910b7 100644 ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -1766,7 +1766,7 @@ 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 -diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h -index da1c77d..2ee6056 100644 ---- a/arch/arm/include/asm/atomic.h -+++ b/arch/arm/include/asm/atomic.h -@@ -17,17 +17,35 @@ - #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__ - -+#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) (*(volatile int *)&(v)->counter) -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return 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 - -@@ -42,6 +60,35 @@ static inline void atomic_add(int i, atomic_t *v) - int result; - - __asm__ __volatile__("@ atomic_add\n" -+"1: ldrex %1, [%3]\n" -+" adds %0, %1, %4\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+"2: bkpt 0xf103\n" -+"3:\n" -+#endif -+ -+" strex %1, %0, [%3]\n" -+" teq %1, #0\n" -+" bne 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ -+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) -+ : "r" (&v->counter), "Ir" (i) -+ : "cc"); -+} -+ -+static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v) -+{ -+ unsigned long tmp; -+ int result; -+ -+ __asm__ __volatile__("@ atomic_add_unchecked\n" - "1: ldrex %0, [%3]\n" - " add %0, %0, %4\n" - " strex %1, %0, [%3]\n" -@@ -60,6 +107,42 @@ static inline int atomic_add_return(int i, atomic_t *v) - smp_mb(); - - __asm__ __volatile__("@ atomic_add_return\n" -+"1: ldrex %1, [%3]\n" -+" adds %0, %1, %4\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+" mov %0, %1\n" -+"2: bkpt 0xf103\n" -+"3:\n" -+#endif -+ -+" strex %1, %0, [%3]\n" -+" teq %1, #0\n" -+" bne 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ -+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) -+ : "r" (&v->counter), "Ir" (i) -+ : "cc"); -+ -+ smp_mb(); -+ -+ return result; -+} -+ -+static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v) -+{ -+ unsigned long tmp; -+ int result; -+ -+ smp_mb(); -+ -+ __asm__ __volatile__("@ atomic_add_return_unchecked\n" - "1: ldrex %0, [%3]\n" - " add %0, %0, %4\n" - " strex %1, %0, [%3]\n" -@@ -80,6 +163,35 @@ static inline void atomic_sub(int i, atomic_t *v) - int result; - - __asm__ __volatile__("@ atomic_sub\n" -+"1: ldrex %1, [%3]\n" -+" subs %0, %1, %4\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+"2: bkpt 0xf103\n" -+"3:\n" -+#endif -+ -+" strex %1, %0, [%3]\n" -+" teq %1, #0\n" -+" bne 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ -+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) -+ : "r" (&v->counter), "Ir" (i) -+ : "cc"); -+} -+ -+static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v) -+{ -+ unsigned long tmp; -+ int result; -+ -+ __asm__ __volatile__("@ atomic_sub_unchecked\n" - "1: ldrex %0, [%3]\n" - " sub %0, %0, %4\n" - " strex %1, %0, [%3]\n" -@@ -98,11 +210,25 @@ static inline int atomic_sub_return(int i, atomic_t *v) - smp_mb(); - - __asm__ __volatile__("@ atomic_sub_return\n" --"1: ldrex %0, [%3]\n" --" sub %0, %0, %4\n" -+"1: ldrex %1, [%3]\n" -+" subs %0, %1, %4\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+" mov %0, %1\n" -+"2: bkpt 0xf103\n" -+"3:\n" -+#endif -+ - " strex %1, %0, [%3]\n" - " teq %1, #0\n" - " bne 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) - : "r" (&v->counter), "Ir" (i) - : "cc"); -@@ -134,6 +260,28 @@ static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new) - 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; -+} -+ - static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) - { - unsigned long tmp, tmp2; -@@ -167,7 +315,17 @@ static inline int atomic_add_return(int i, atomic_t *v) - - return val; - } -+ -+static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v) -+{ -+ return atomic_add_return(i, v); -+} -+ - #define atomic_add(i, v) (void) atomic_add_return(i, v) -+static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v) -+{ -+ (void) atomic_add_return(i, v); -+} - - static inline int atomic_sub_return(int i, atomic_t *v) - { -@@ -182,6 +340,10 @@ static inline int atomic_sub_return(int i, atomic_t *v) - return val; - } - #define atomic_sub(i, v) (void) atomic_sub_return(i, v) -+static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v) -+{ -+ (void) atomic_sub_return(i, v); -+} - - static inline int atomic_cmpxchg(atomic_t *v, int old, int new) - { -@@ -197,6 +359,11 @@ 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(v, old, new); -+} -+ - static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) - { - unsigned long flags; -@@ -209,6 +376,10 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) - #endif /* __LINUX_ARM_ARCH__ */ - - #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) - { -@@ -221,11 +392,27 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - } - - #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) - -@@ -241,6 +428,14 @@ 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(i) { (i) } - - #ifdef CONFIG_ARM_LPAE -@@ -257,6 +452,19 @@ static inline u64 atomic64_read(const atomic64_t *v) - return result; - } - -+static inline u64 atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ u64 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, u64 i) - { - __asm__ __volatile__("@ atomic64_set\n" -@@ -265,6 +473,15 @@ static inline void atomic64_set(atomic64_t *v, u64 i) - : "r" (&v->counter), "r" (i) - ); - } -+ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, u64 i) -+{ -+ __asm__ __volatile__("@ atomic64_set_unchecked\n" -+" strd %2, %H2, [%1]" -+ : "=Qo" (v->counter) -+ : "r" (&v->counter), "r" (i) -+ ); -+} - #else - static inline u64 atomic64_read(const atomic64_t *v) - { -@@ -279,6 +496,19 @@ static inline u64 atomic64_read(const atomic64_t *v) - return result; - } - -+static inline u64 atomic64_read_unchecked(atomic64_unchecked_t *v) -+{ -+ u64 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, u64 i) - { - u64 tmp; -@@ -292,6 +522,21 @@ static inline void atomic64_set(atomic64_t *v, u64 i) - : "r" (&v->counter), "r" (i) - : "cc"); - } -+ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, u64 i) -+{ -+ u64 tmp; -+ -+ __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 - - static inline void atomic64_add(u64 i, atomic64_t *v) -@@ -302,6 +547,36 @@ static inline void atomic64_add(u64 i, atomic64_t *v) - __asm__ __volatile__("@ atomic64_add\n" - "1: ldrexd %0, %H0, [%3]\n" - " adds %0, %0, %4\n" -+" adcs %H0, %H0, %H4\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+"2: bkpt 0xf103\n" -+"3:\n" -+#endif -+ -+" strexd %1, %0, %H0, [%3]\n" -+" teq %1, #0\n" -+" bne 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ -+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) -+ : "r" (&v->counter), "r" (i) -+ : "cc"); -+} -+ -+static inline void atomic64_add_unchecked(u64 i, atomic64_unchecked_t *v) -+{ -+ u64 result; -+ unsigned long tmp; -+ -+ __asm__ __volatile__("@ atomic64_add_unchecked\n" -+"1: ldrexd %0, %H0, [%3]\n" -+" adds %0, %0, %4\n" - " adc %H0, %H0, %H4\n" - " strexd %1, %0, %H0, [%3]\n" - " teq %1, #0\n" -@@ -313,12 +588,49 @@ static inline void atomic64_add(u64 i, atomic64_t *v) - - static inline u64 atomic64_add_return(u64 i, atomic64_t *v) - { -- u64 result; -- unsigned long tmp; -+ u64 result, tmp; - - smp_mb(); - - __asm__ __volatile__("@ atomic64_add_return\n" -+"1: ldrexd %1, %H1, [%3]\n" -+" adds %0, %1, %4\n" -+" adcs %H0, %H1, %H4\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+" mov %0, %1\n" -+" mov %H0, %H1\n" -+"2: bkpt 0xf103\n" -+"3:\n" -+#endif -+ -+" strexd %1, %0, %H0, [%3]\n" -+" teq %1, #0\n" -+" bne 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ -+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) -+ : "r" (&v->counter), "r" (i) -+ : "cc"); -+ -+ smp_mb(); -+ -+ return result; -+} -+ -+static inline u64 atomic64_add_return_unchecked(u64 i, atomic64_unchecked_t *v) -+{ -+ u64 result; -+ unsigned long tmp; -+ -+ smp_mb(); -+ -+ __asm__ __volatile__("@ atomic64_add_return_unchecked\n" - "1: ldrexd %0, %H0, [%3]\n" - " adds %0, %0, %4\n" - " adc %H0, %H0, %H4\n" -@@ -342,6 +654,36 @@ static inline void atomic64_sub(u64 i, atomic64_t *v) - __asm__ __volatile__("@ atomic64_sub\n" - "1: ldrexd %0, %H0, [%3]\n" - " subs %0, %0, %4\n" -+" sbcs %H0, %H0, %H4\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+"2: bkpt 0xf103\n" -+"3:\n" -+#endif -+ -+" strexd %1, %0, %H0, [%3]\n" -+" teq %1, #0\n" -+" bne 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ -+ : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) -+ : "r" (&v->counter), "r" (i) -+ : "cc"); -+} -+ -+static inline void atomic64_sub_unchecked(u64 i, atomic64_unchecked_t *v) -+{ -+ u64 result; -+ unsigned long tmp; -+ -+ __asm__ __volatile__("@ atomic64_sub_unchecked\n" -+"1: ldrexd %0, %H0, [%3]\n" -+" subs %0, %0, %4\n" - " sbc %H0, %H0, %H4\n" - " strexd %1, %0, %H0, [%3]\n" - " teq %1, #0\n" -@@ -353,18 +695,32 @@ static inline void atomic64_sub(u64 i, atomic64_t *v) - - static inline u64 atomic64_sub_return(u64 i, atomic64_t *v) - { -- u64 result; -- unsigned long tmp; -+ u64 result, tmp; - - smp_mb(); - - __asm__ __volatile__("@ atomic64_sub_return\n" --"1: ldrexd %0, %H0, [%3]\n" --" subs %0, %0, %4\n" --" sbc %H0, %H0, %H4\n" -+"1: ldrexd %1, %H1, [%3]\n" -+" subs %0, %1, %4\n" -+" sbcs %H0, %H1, %H4\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+" mov %0, %1\n" -+" mov %H0, %H1\n" -+"2: bkpt 0xf103\n" -+"3:\n" -+#endif -+ - " strexd %1, %0, %H0, [%3]\n" - " teq %1, #0\n" - " bne 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) - : "r" (&v->counter), "r" (i) - : "cc"); -@@ -398,6 +754,30 @@ static inline u64 atomic64_cmpxchg(atomic64_t *ptr, u64 old, u64 new) - return oldval; - } - -+static inline u64 atomic64_cmpxchg_unchecked(atomic64_unchecked_t *ptr, u64 old, u64 new) -+{ -+ u64 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 u64 atomic64_xchg(atomic64_t *ptr, u64 new) - { - u64 result; -@@ -421,21 +801,34 @@ static inline u64 atomic64_xchg(atomic64_t *ptr, u64 new) - - static inline u64 atomic64_dec_if_positive(atomic64_t *v) - { -- u64 result; -- unsigned long tmp; -+ u64 result, tmp; - - smp_mb(); - - __asm__ __volatile__("@ atomic64_dec_if_positive\n" --"1: ldrexd %0, %H0, [%3]\n" --" subs %0, %0, #1\n" --" sbc %H0, %H0, #0\n" -+"1: ldrexd %1, %H1, [%3]\n" -+" subs %0, %1, #1\n" -+" sbcs %H0, %H1, #0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+" mov %0, %1\n" -+" mov %H0, %H1\n" -+"2: bkpt 0xf103\n" -+"3:\n" -+#endif -+ - " teq %H0, #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"); -@@ -458,13 +851,25 @@ static inline int atomic64_add_unless(atomic64_t *v, u64 a, u64 u) - " teq %0, %5\n" - " teqeq %H0, %H5\n" - " moveq %1, #0\n" --" beq 2f\n" -+" beq 4f\n" - " adds %0, %0, %6\n" --" adc %H0, %H0, %H6\n" -+" adcs %H0, %H0, %H6\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+"2: bkpt 0xf103\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"); -@@ -477,10 +882,13 @@ static inline int atomic64_add_unless(atomic64_t *v, u64 a, u64 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/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 17d0ae8..014e350 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 6dcc164..b14d917 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 4f009c1..466c59b 100644 ---- a/arch/arm/include/asm/cmpxchg.h -+++ b/arch/arm/include/asm/cmpxchg.h -@@ -102,6 +102,8 @@ 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/domain.h b/arch/arm/include/asm/domain.h -index 6ddbe44..b5e38b1 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 56211f2..17e8a25 100644 ---- a/arch/arm/include/asm/elf.h -+++ b/arch/arm/include/asm/elf.h -@@ -116,7 +116,14 @@ 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 (2 * TASK_SIZE / 3) -+#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 -@@ -126,10 +133,6 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs); - extern void elf_set_personality(const struct elf32_hdr *); - #define SET_PERSONALITY(ex) elf_set_personality(&(ex)) - --struct mm_struct; --extern unsigned long arch_randomize_brk(struct mm_struct *mm); --#define arch_randomize_brk arch_randomize_brk -- - #ifdef CONFIG_MMU - #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 - struct linux_binprm; -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 e42cf59..7b94b8f 100644 ---- a/arch/arm/include/asm/futex.h -+++ b/arch/arm/include/asm/futex.h -@@ -50,6 +50,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; - -+ pax_open_userland(); -+ - smp_mb(); - __asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n" - "1: ldrex %1, [%4]\n" -@@ -65,6 +67,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - : "cc", "memory"); - smp_mb(); - -+ pax_close_userland(); -+ - *uval = val; - return ret; - } -@@ -95,6 +99,8 @@ 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" -@@ -105,6 +111,8 @@ 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; - } -@@ -127,6 +135,7 @@ 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: -@@ -148,6 +157,7 @@ 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 2fe141f..192dc01 100644 ---- a/arch/arm/include/asm/mach/map.h -+++ b/arch/arm/include/asm/mach/map.h -@@ -27,13 +27,16 @@ struct map_desc { - #define MT_MINICLEAN 6 - #define MT_LOW_VECTORS 7 - #define MT_HIGH_VECTORS 8 --#define MT_MEMORY 9 -+#define MT_MEMORY_RWX 9 - #define MT_ROM 10 --#define MT_MEMORY_NONCACHED 11 -+#define MT_MEMORY_NONCACHED_RX 11 - #define MT_MEMORY_DTCM 12 - #define MT_MEMORY_ITCM 13 - #define MT_MEMORY_SO 14 - #define MT_MEMORY_DMA_READY 15 -+#define MT_MEMORY_RW 16 -+#define MT_MEMORY_RX 17 -+#define MT_MEMORY_NONCACHED_RW 18 - - #ifdef CONFIG_MMU - extern void iotable_init(struct map_desc *, int); -diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h -index 12f71a1..04e063c 100644 ---- a/arch/arm/include/asm/outercache.h -+++ b/arch/arm/include/asm/outercache.h -@@ -35,7 +35,7 @@ struct outer_cache_fns { - #endif - void (*set_debug)(unsigned long); - void (*resume)(void); --}; -+} __no_const; - - #ifdef CONFIG_OUTER_CACHE - -diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h -index cbdc7a2..32f44fe 100644 ---- a/arch/arm/include/asm/page.h -+++ b/arch/arm/include/asm/page.h -@@ -114,7 +114,7 @@ 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 943504f..c37a730 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 */ - -@@ -126,6 +133,19 @@ 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) - { -@@ -155,7 +175,7 @@ pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp, pte_t *ptep) - static inline void - pmd_populate(struct mm_struct *mm, pmd_t *pmdp, pgtable_t ptep) - { -- __pmd_populate(pmdp, page_to_phys(ptep), _PAGE_USER_TABLE); -+ __pmd_populate(pmdp, page_to_phys(ptep), _PAGE_USER_TABLE | __supported_pmd_mask); - } - #define pmd_pgtable(pmd) pmd_page(pmd) - -diff --git a/arch/arm/include/asm/pgtable-2level-hwdef.h b/arch/arm/include/asm/pgtable-2level-hwdef.h -index 5cfba15..f415e1a 100644 ---- a/arch/arm/include/asm/pgtable-2level-hwdef.h -+++ b/arch/arm/include/asm/pgtable-2level-hwdef.h -@@ -20,12 +20,15 @@ - #define PMD_TYPE_FAULT (_AT(pmdval_t, 0) << 0) - #define PMD_TYPE_TABLE (_AT(pmdval_t, 1) << 0) - #define PMD_TYPE_SECT (_AT(pmdval_t, 2) << 0) -+#define PMD_PXNTABLE (_AT(pmdval_t, 1) << 2) /* v7 */ - #define PMD_BIT4 (_AT(pmdval_t, 1) << 4) - #define PMD_DOMAIN(x) (_AT(pmdval_t, (x)) << 5) - #define PMD_PROTECTION (_AT(pmdval_t, 1) << 9) /* v5 */ -+ - /* - * - section - */ -+#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 */ -@@ -37,6 +40,7 @@ - #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) -@@ -66,6 +70,7 @@ - * - 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 f97ee02..cc9fe9e 100644 ---- a/arch/arm/include/asm/pgtable-2level.h -+++ b/arch/arm/include/asm/pgtable-2level.h -@@ -126,6 +126,9 @@ - #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-hwdef.h b/arch/arm/include/asm/pgtable-3level-hwdef.h -index 18f5cef..25b8f43 100644 ---- a/arch/arm/include/asm/pgtable-3level-hwdef.h -+++ b/arch/arm/include/asm/pgtable-3level-hwdef.h -@@ -41,6 +41,7 @@ - */ - #define PMD_SECT_BUFFERABLE (_AT(pmdval_t, 1) << 2) - #define PMD_SECT_CACHEABLE (_AT(pmdval_t, 1) << 3) -+#define PMD_SECT_RDONLY (_AT(pmdval_t, 1) << 7) - #define PMD_SECT_S (_AT(pmdval_t, 3) << 8) - #define PMD_SECT_AF (_AT(pmdval_t, 1) << 10) - #define PMD_SECT_nG (_AT(pmdval_t, 1) << 11) -@@ -71,6 +72,7 @@ - #define PTE_EXT_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0], inner shareable */ - #define PTE_EXT_AF (_AT(pteval_t, 1) << 10) /* Access Flag */ - #define PTE_EXT_NG (_AT(pteval_t, 1) << 11) /* nG */ -+#define PTE_EXT_PXN (_AT(pteval_t, 1) << 53) /* PXN */ - #define PTE_EXT_XN (_AT(pteval_t, 1) << 54) /* XN */ - - /* -diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h -index 86b8fe3..e25f975 100644 ---- a/arch/arm/include/asm/pgtable-3level.h -+++ b/arch/arm/include/asm/pgtable-3level.h -@@ -74,6 +74,7 @@ - #define L_PTE_RDONLY (_AT(pteval_t, 1) << 7) /* AP[2] */ - #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) /* unused */ - #define L_PTE_SPECIAL (_AT(pteval_t, 1) << 56) /* unused */ -@@ -82,6 +83,7 @@ - /* - * 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 9bcd262..1ff999b 100644 ---- a/arch/arm/include/asm/pgtable.h -+++ b/arch/arm/include/asm/pgtable.h -@@ -30,6 +30,9 @@ - #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 -@@ -45,6 +48,9 @@ - #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); -@@ -53,6 +59,48 @@ 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 -@@ -72,8 +120,8 @@ 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 - -@@ -257,7 +305,7 @@ static inline pte_t pte_mkspecial(pte_t pte) { return 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/proc-fns.h b/arch/arm/include/asm/proc-fns.h -index f3628fb..a0672dd 100644 ---- a/arch/arm/include/asm/proc-fns.h -+++ b/arch/arm/include/asm/proc-fns.h -@@ -75,7 +75,7 @@ extern struct processor { - unsigned int suspend_size; - void (*do_suspend)(void *); - void (*do_resume)(void *); --} processor; -+} __do_const processor; - - #ifndef MULTI_CPU - extern void cpu_proc_init(void); -diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h -index ce0dbe7..c085b6f 100644 ---- a/arch/arm/include/asm/psci.h -+++ b/arch/arm/include/asm/psci.h -@@ -29,7 +29,7 @@ struct psci_operations { - int (*cpu_off)(struct psci_power_state state); - int (*cpu_on)(unsigned long cpuid, unsigned long entry_point); - int (*migrate)(unsigned long cpuid); --}; -+} __no_const; - - extern struct psci_operations psci_ops; - -diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h -index d3a22be..3a69ad5 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; - - /* - * set platform specific SMP operations -diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h -index f00b569..aa5bb41 100644 ---- a/arch/arm/include/asm/thread_info.h -+++ b/arch/arm/include/asm/thread_info.h -@@ -77,9 +77,9 @@ 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), \ - .restart_block = { \ - .fn = do_no_restart_syscall, \ - }, \ -@@ -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 -@@ -165,10 +169,11 @@ 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/uaccess.h b/arch/arm/include/asm/uaccess.h -index 7e1f760..de33b13 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> - - #define VERIFY_READ 0 - #define VERIFY_WRITE 1 -@@ -63,11 +64,38 @@ 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" \ -@@ -143,8 +171,12 @@ extern int __get_user_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); -@@ -188,8 +220,12 @@ 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 */ -@@ -230,13 +266,17 @@ 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; \ - }) - -@@ -312,13 +352,17 @@ 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; \ - }) - -@@ -418,11 +462,44 @@ 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) -@@ -431,6 +508,9 @@ 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 */ -@@ -440,6 +520,9 @@ 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 96ee092..37f1844 100644 ---- a/arch/arm/include/uapi/asm/ptrace.h -+++ b/arch/arm/include/uapi/asm/ptrace.h -@@ -73,7 +73,7 @@ - * 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 60d3b73..e5a0f22 100644 ---- a/arch/arm/kernel/armksyms.c -+++ b/arch/arm/kernel/armksyms.c -@@ -53,7 +53,7 @@ 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); - -@@ -89,9 +89,9 @@ 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/entry-armv.S b/arch/arm/kernel/entry-armv.S -index d43c7e5..257c050 100644 ---- a/arch/arm/kernel/entry-armv.S -+++ b/arch/arm/kernel/entry-armv.S -@@ -47,6 +47,87 @@ - 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 -@@ -89,11 +170,15 @@ - * 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 - -@@ -149,7 +234,11 @@ ENDPROC(__und_invalid) - .macro svc_entry, stack_hole=0 - 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 ) -@@ -164,7 +253,12 @@ 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 -@@ -316,6 +410,9 @@ ENDPROC(__pabt_svc) - .macro usr_entry - 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} ) -@@ -357,7 +454,8 @@ ENDPROC(__pabt_svc) - .endm - - .macro kuser_cmpxchg_check --#if !defined(CONFIG_CPU_32v6K) && !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG) -+#if !defined(CONFIG_CPU_32v6K) && defined(CONFIG_KUSER_HELPERS) && \ -+ !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG) - #ifndef CONFIG_MMU - #warning "NPTL on non MMU needs fixing" - #else -@@ -414,7 +512,9 @@ __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 - #ifdef CONFIG_CPU_ENDIAN_BE8 - rev r0, r0 @ little endian instruction - #endif -@@ -449,10 +549,14 @@ __und_usr_thumb: - */ - .arch armv6t2 - #endif -+ pax_open_userland - 2: ldrht r5, [r4] -+ pax_close_userland - 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 - add r2, r2, #2 @ r2 is PC + 2, make it PC + 4 - str r2, [sp, #S_PC] @ it's a 2x16bit instr, update - orr r0, r0, r5, lsl #16 -@@ -481,7 +585,8 @@ ENDPROC(__und_usr) - */ - .pushsection .fixup, "ax" - .align 2 --4: mov pc, r9 -+4: pax_close_userland -+ mov pc, r9 - .popsection - .pushsection __ex_table,"a" - .long 1b, 4b -@@ -690,7 +795,7 @@ ENTRY(__switch_to) - THUMB( stmia ip!, {r4 - sl, fp} ) @ Store most regs on stack - THUMB( str sp, [ip], #4 ) - THUMB( str lr, [ip], #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 - set_tls r3, r4, r5 -@@ -699,7 +804,7 @@ 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 bc5bc0a..d0998ca 100644 ---- a/arch/arm/kernel/entry-common.S -+++ b/arch/arm/kernel/entry-common.S -@@ -10,18 +10,46 @@ - - #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 -@@ -350,6 +378,7 @@ ENDPROC(ftrace_stub) - - .align 5 - ENTRY(vector_swi) -+ - sub sp, sp, #S_FRAME_SIZE - stmia sp, {r0 - r12} @ Calling r0 - r12 - ARM( add r8, sp, #S_PC ) -@@ -399,6 +428,12 @@ ENTRY(vector_swi) - 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 -+ - #ifdef CONFIG_ALIGNMENT_TRAP - ldr ip, __cr_alignment - ldr ip, [ip] -diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S -index 160f337..db67ee4 100644 ---- a/arch/arm/kernel/entry-header.S -+++ b/arch/arm/kernel/entry-header.S -@@ -73,6 +73,60 @@ - 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 -@@ -92,6 +146,9 @@ - blne trace_hardirqs_off - #endif - .endif -+ -+ pax_exit_kernel -+ - msr spsr_cxsf, \rpsr - #if defined(CONFIG_CPU_V6) - ldr r0, [sp] -@@ -155,6 +212,9 @@ - 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 - clrex @ clear the exclusive monitor -diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c -index 25442f4..d4948fc 100644 ---- a/arch/arm/kernel/fiq.c -+++ b/arch/arm/kernel/fiq.c -@@ -84,17 +84,16 @@ int show_fiq_list(struct seq_file *p, int prec) - - void set_fiq_handler(void *start, unsigned int length) - { --#if defined(CONFIG_CPU_USE_DOMAINS) -- void *base = (void *)0xffff0000; --#else - void *base = vectors_page; --#endif - unsigned offset = FIQ_OFFSET; - -+ pax_open_kernel(); - memcpy(base + offset, start, length); -+ pax_close_kernel(); -+ -+ if (!cache_is_vipt_nonaliasing()) -+ flush_icache_range(base + offset, offset + length); - flush_icache_range(0xffff0000 + offset, 0xffff0000 + offset + length); -- if (!vectors_high()) -- flush_icache_range(offset, offset + length); - } - - int claim_fiq(struct fiq_handler *f) -diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S -index 8bac553..caee108 100644 ---- a/arch/arm/kernel/head.S -+++ b/arch/arm/kernel/head.S -@@ -52,7 +52,9 @@ - .equ swapper_pg_dir, KERNEL_RAM_VADDR - PG_DIR_SIZE - - .macro pgtbl, rd, phys -- add \rd, \phys, #TEXT_OFFSET - PG_DIR_SIZE -+ mov \rd, #TEXT_OFFSET -+ sub \rd, #PG_DIR_SIZE -+ add \rd, \rd, \phys - .endm - - /* -@@ -434,7 +436,7 @@ __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/hw_breakpoint.c b/arch/arm/kernel/hw_breakpoint.c -index 1fd749e..47adb08 100644 ---- a/arch/arm/kernel/hw_breakpoint.c -+++ b/arch/arm/kernel/hw_breakpoint.c -@@ -1029,7 +1029,7 @@ static int __cpuinit dbg_reset_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata dbg_reset_nb = { -+static struct notifier_block dbg_reset_nb = { - .notifier_call = dbg_reset_notify, - }; - -diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c -index 1e9be5d..03edbc2 100644 ---- a/arch/arm/kernel/module.c -+++ b/arch/arm/kernel/module.c -@@ -37,12 +37,37 @@ - #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, -1, -+ GFP_KERNEL, prot, -1, - __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_free_exec(struct module *mod, void *module_region) -+{ -+ module_free(mod, module_region); -+} -+ -+void *module_alloc_exec(unsigned long size) -+{ -+ return __module_alloc(size, PAGE_KERNEL_EXEC); -+} -+#endif - #endif - - int -diff --git a/arch/arm/kernel/patch.c b/arch/arm/kernel/patch.c -index 07314af..c46655c 100644 ---- a/arch/arm/kernel/patch.c -+++ b/arch/arm/kernel/patch.c -@@ -18,6 +18,7 @@ void __kprobes __patch_text(void *addr, unsigned int insn) - bool thumb2 = IS_ENABLED(CONFIG_THUMB2_KERNEL); - int size; - -+ pax_open_kernel(); - if (thumb2 && __opcode_is_thumb16(insn)) { - *(u16 *)addr = __opcode_to_mem_thumb16(insn); - size = sizeof(u16); -@@ -39,6 +40,7 @@ void __kprobes __patch_text(void *addr, unsigned int insn) - *(u32 *)addr = insn; - size = sizeof(u32); - } -+ pax_close_kernel(); - - flush_icache_range((uintptr_t)(addr), - (uintptr_t)(addr) + size); -diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c -index e19edc6..e186ee1 100644 ---- a/arch/arm/kernel/perf_event.c -+++ b/arch/arm/kernel/perf_event.c -@@ -56,7 +56,7 @@ armpmu_map_hw_event(const unsigned (*event_map)[PERF_COUNT_HW_MAX], u64 config) - int mapping; - - if (config >= PERF_COUNT_HW_MAX) -- return -ENOENT; -+ return -EINVAL; - - mapping = (*event_map)[config]; - return mapping == HW_OP_UNSUPPORTED ? -ENOENT : mapping; -diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c -index 1f2740e..b36e225 100644 ---- a/arch/arm/kernel/perf_event_cpu.c -+++ b/arch/arm/kernel/perf_event_cpu.c -@@ -171,7 +171,7 @@ static int __cpuinit cpu_pmu_notify(struct notifier_block *b, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata cpu_pmu_hotplug_notifier = { -+static struct notifier_block cpu_pmu_hotplug_notifier = { - .notifier_call = cpu_pmu_notify, - }; - -diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c -index 5bc2615..dcd439f 100644 ---- a/arch/arm/kernel/process.c -+++ b/arch/arm/kernel/process.c -@@ -223,6 +223,7 @@ void machine_power_off(void) - - if (pm_power_off) - pm_power_off(); -+ BUG(); - } - - /* -@@ -236,7 +237,7 @@ void machine_power_off(void) - * executing pre-reset code, and using RAM that the primary CPU's code wishes - * to use. Implementing such co-ordination would be essentially impossible. - */ --void machine_restart(char *cmd) -+__noreturn void machine_restart(char *cmd) - { - smp_send_stop(); - -@@ -258,8 +259,8 @@ 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, -@@ -426,12 +427,6 @@ 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 - /* -@@ -447,7 +442,7 @@ 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); -@@ -466,48 +461,23 @@ int in_gate_area_no_mm(unsigned long addr) - { - return in_gate_area(NULL, addr); - } --#define is_gate_vma(vma) ((vma) = &gate_vma) -+#define is_gate_vma(vma) ((vma) == &gate_vma) - #else - #define is_gate_vma(vma) 0 - #endif - - const char *arch_vma_name(struct vm_area_struct *vma) - { -- return is_gate_vma(vma) ? "[vectors]" : -- (vma->vm_mm && vma->vm_start == vma->vm_mm->context.sigpage) ? -- "[sigpage]" : NULL; -+ return is_gate_vma(vma) ? "[vectors]" : NULL; - } - --static struct page *signal_page; --extern struct page *get_signal_page(void); -- - int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - { - struct mm_struct *mm = current->mm; -- unsigned long addr; -- int ret; -- -- if (!signal_page) -- signal_page = get_signal_page(); -- if (!signal_page) -- return -ENOMEM; - - down_write(&mm->mmap_sem); -- addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, 0); -- if (IS_ERR_VALUE(addr)) { -- ret = addr; -- goto up_fail; -- } -- -- ret = install_special_mapping(mm, addr, PAGE_SIZE, -- VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC, -- &signal_page); -- -- if (ret == 0) -- mm->context.sigpage = addr; -- -- 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 3653164..d83e55d 100644 ---- a/arch/arm/kernel/psci.c -+++ b/arch/arm/kernel/psci.c -@@ -24,7 +24,7 @@ - #include <asm/opcodes-virt.h> - #include <asm/psci.h> - --struct psci_operations psci_ops; -+struct psci_operations psci_ops __read_only; - - static int (*invoke_psci_fn)(u32, u32, u32, u32); - -diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c -index 03deeff..741ce88 100644 ---- a/arch/arm/kernel/ptrace.c -+++ b/arch/arm/kernel/ptrace.c -@@ -937,10 +937,19 @@ static int tracehook_report_syscall(struct pt_regs *regs, - return current_thread_info()->syscall; - } - -+#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. */ - if (secure_computing(scno) == -1) - return -1; -diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c -index b4b1d39..efdc9be 100644 ---- a/arch/arm/kernel/setup.c -+++ b/arch/arm/kernel/setup.c -@@ -97,21 +97,23 @@ EXPORT_SYMBOL(system_serial_high); - unsigned int elf_hwcap __read_mostly; - EXPORT_SYMBOL(elf_hwcap); - -+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; - #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 - -@@ -236,9 +238,13 @@ static int __get_cpu_architecture(void) - asm("mrc p15, 0, %0, c0, c1, 4" - : "=r" (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 -@@ -479,7 +485,7 @@ static void __init setup_processor(void) - __cpu_architecture = __get_cpu_architecture(); - - #ifdef MULTI_CPU -- processor = *list->proc; -+ memcpy((void *)&processor, list->proc, sizeof processor); - #endif - #ifdef MULTI_TLB - cpu_tlb = *list->tlb; -diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c -index 5a42c12..a2bb7c6 100644 ---- a/arch/arm/kernel/signal.c -+++ b/arch/arm/kernel/signal.c -@@ -45,8 +45,6 @@ static const unsigned long sigreturn_codes[7] = { - MOV_R7_NR_RT_SIGRETURN, SWI_SYS_RT_SIGRETURN, SWI_THUMB_RT_SIGRETURN, - }; - --static unsigned long signal_return_offset; -- - #ifdef CONFIG_CRUNCH - static int preserve_crunch_context(struct crunch_sigframe __user *frame) - { -@@ -406,8 +404,7 @@ 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 - { -@@ -611,33 +608,3 @@ 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 5919eb4..b5d6dfe 100644 ---- a/arch/arm/kernel/smp.c -+++ b/arch/arm/kernel/smp.c -@@ -70,7 +70,7 @@ 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/traps.c b/arch/arm/kernel/traps.c -index 6b9567e..b8af2d6 100644 ---- a/arch/arm/kernel/traps.c -+++ b/arch/arm/kernel/traps.c -@@ -55,7 +55,7 @@ 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 -@@ -257,6 +257,8 @@ 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; -@@ -299,6 +301,9 @@ 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); - } -@@ -592,7 +597,9 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs) - * The user helper at 0xffff0fe0 must be used instead. - * (see entry-armv.S for details) - */ -+ pax_open_kernel(); - *((unsigned int *)0xffff0ff0) = regs->ARM_r0; -+ pax_close_kernel(); - } - return 0; - -@@ -848,5 +855,9 @@ 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 -+ - } -diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S -index 33f2ea3..0b91824 100644 ---- a/arch/arm/kernel/vmlinux.lds.S -+++ b/arch/arm/kernel/vmlinux.lds.S -@@ -8,7 +8,11 @@ - #include <asm/thread_info.h> - #include <asm/memory.h> - #include <asm/page.h> -- -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#include <asm/pgtable.h> -+#endif -+ - #define PROC_INFO \ - . = ALIGN(4); \ - VMLINUX_SYMBOL(__proc_info_begin) = .; \ -@@ -94,6 +98,11 @@ SECTIONS - _text = .; - HEAD_TEXT - } -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(1<<SECTION_SHIFT); -+#endif -+ - .text : { /* Real text segment */ - _stext = .; /* Text and read-only data */ - __exception_text_start = .; -@@ -116,6 +125,8 @@ SECTIONS - ARM_CPU_KEEP(PROC_INFO) - } - -+ _etext = .; /* End of text section */ -+ - RO_DATA(PAGE_SIZE) - - . = ALIGN(4); -@@ -146,7 +157,9 @@ SECTIONS - - NOTES - -- _etext = .; /* End of text and rodata section */ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(1<<SECTION_SHIFT); -+#endif - - #ifndef CONFIG_XIP_KERNEL - . = ALIGN(PAGE_SIZE); -@@ -224,6 +237,11 @@ SECTIONS - . = PAGE_OFFSET + TEXT_OFFSET; - #else - __init_end = .; -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(1<<SECTION_SHIFT); -+#endif -+ - . = ALIGN(THREAD_SIZE); - __data_loc = .; - #endif -diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S -index 14a0d98..7771a7d 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 .fixup,"ax" -diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S -index 66a477a..bee61d3 100644 ---- a/arch/arm/lib/copy_from_user.S -+++ b/arch/arm/lib/copy_from_user.S -@@ -16,7 +16,7 @@ - /* - * 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: - * -@@ -84,11 +84,11 @@ - - .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 d066df6..df28194 100644 ---- a/arch/arm/lib/copy_to_user.S -+++ b/arch/arm/lib/copy_to_user.S -@@ -16,7 +16,7 @@ - /* - * 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: - * -@@ -88,11 +88,11 @@ - .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 .fixup,"ax" -diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S -index 7d08b43..f7ca7ea 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 64dbfa5..84a3fd9 100644 ---- a/arch/arm/lib/delay.c -+++ b/arch/arm/lib/delay.c -@@ -28,7 +28,7 @@ - /* - * 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 025f742..8432b08 100644 ---- a/arch/arm/lib/uaccess_with_memcpy.c -+++ b/arch/arm/lib/uaccess_with_memcpy.c -@@ -104,7 +104,7 @@ 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 -diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c -index f389228..592ef66 100644 ---- a/arch/arm/mach-kirkwood/common.c -+++ b/arch/arm/mach-kirkwood/common.c -@@ -149,7 +149,16 @@ static void clk_gate_fn_disable(struct clk_hw *hw) - clk_gate_ops.disable(hw); - } - --static struct clk_ops clk_gate_fn_ops; -+static int clk_gate_fn_is_enabled(struct clk_hw *hw) -+{ -+ return clk_gate_ops.is_enabled(hw); -+} -+ -+static struct clk_ops clk_gate_fn_ops = { -+ .enable = clk_gate_fn_enable, -+ .disable = clk_gate_fn_disable, -+ .is_enabled = clk_gate_fn_is_enabled, -+}; - - static struct clk __init *clk_register_gate_fn(struct device *dev, - const char *name, -@@ -183,14 +192,6 @@ static struct clk __init *clk_register_gate_fn(struct device *dev, - gate_fn->fn_en = fn_en; - gate_fn->fn_dis = fn_dis; - -- /* ops is the gate ops, but with our enable/disable functions */ -- if (clk_gate_fn_ops.enable != clk_gate_fn_enable || -- clk_gate_fn_ops.disable != clk_gate_fn_disable) { -- clk_gate_fn_ops = clk_gate_ops; -- clk_gate_fn_ops.enable = clk_gate_fn_enable; -- clk_gate_fn_ops.disable = clk_gate_fn_disable; -- } -- - clk = clk_register(dev, &gate_fn->gate.hw); - - if (IS_ERR(clk)) -diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c -index f6eeb87..cc90868 100644 ---- a/arch/arm/mach-omap2/board-n8x0.c -+++ b/arch/arm/mach-omap2/board-n8x0.c -@@ -631,7 +631,7 @@ static int n8x0_menelaus_late_init(struct device *dev) - } - #endif - --static struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = { -+static struct menelaus_platform_data n8x0_menelaus_platform_data __initconst = { - .late_init = n8x0_menelaus_late_init, - }; - -diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c -index 6c4da12..d9ca72d 100644 ---- a/arch/arm/mach-omap2/gpmc.c -+++ b/arch/arm/mach-omap2/gpmc.c -@@ -147,7 +147,6 @@ struct omap3_gpmc_regs { - }; - - static struct gpmc_client_irq gpmc_client_irq[GPMC_NR_IRQ]; --static struct irq_chip gpmc_irq_chip; - static unsigned gpmc_irq_start; - - static struct resource gpmc_mem_root; -@@ -711,6 +710,18 @@ 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; -@@ -725,15 +736,6 @@ 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/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c -index f8bb3b9..831e7b8 100644 ---- a/arch/arm/mach-omap2/omap-wakeupgen.c -+++ b/arch/arm/mach-omap2/omap-wakeupgen.c -@@ -339,7 +339,7 @@ static int __cpuinit 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 e6d2307..d057195 100644 ---- a/arch/arm/mach-omap2/omap_device.c -+++ b/arch/arm/mach-omap2/omap_device.c -@@ -499,7 +499,7 @@ 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 }; - -@@ -527,7 +527,7 @@ 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 044c31d..2ee0861 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 7341eff..fd75e34 100644 ---- a/arch/arm/mach-omap2/omap_hwmod.c -+++ b/arch/arm/mach-omap2/omap_hwmod.c -@@ -194,10 +194,10 @@ 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/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c -index d15c7bb..b2d1f0c 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 0cdba8d..297993e 100644 ---- a/arch/arm/mach-tegra/cpuidle-tegra20.c -+++ b/arch/arm/mach-tegra/cpuidle-tegra20.c -@@ -181,7 +181,7 @@ 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-ux500/setup.h b/arch/arm/mach-ux500/setup.h -index cad3ca86..1d79e0f 100644 ---- a/arch/arm/mach-ux500/setup.h -+++ b/arch/arm/mach-ux500/setup.h -@@ -37,13 +37,6 @@ 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, \ --} -- - extern struct smp_operations ux500_smp_ops; - extern void ux500_cpu_die(unsigned int cpu); - -diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig -index 08c9fe9..191320c 100644 ---- a/arch/arm/mm/Kconfig -+++ b/arch/arm/mm/Kconfig -@@ -436,7 +436,7 @@ config CPU_32v5 - - config CPU_32v6 - bool -- select CPU_USE_DOMAINS if CPU_V6 && MMU -+ select CPU_USE_DOMAINS if CPU_V6 && MMU && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - select TLS_REG_EMUL if !CPU_32v6K && !MMU - - config CPU_32v6K -@@ -585,6 +585,7 @@ config CPU_CP15_MPU - - config CPU_USE_DOMAINS - bool -+ depends on !ARM_LPAE && !PAX_KERNEXEC - help - This option enables or disables the use of domain switching - via the set_fs() function. -@@ -780,6 +781,7 @@ config NEED_KUSER_HELPERS - config KUSER_HELPERS - bool "Enable kuser helpers in vector page" if !NEED_KUSER_HELPERS - default y -+ depends on !(CPU_V6 || CPU_V6K || CPU_V7) - help - Warning: disabling this option may break user programs. - -@@ -792,7 +794,7 @@ 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 6f4585b..7b6f52b 100644 ---- a/arch/arm/mm/alignment.c -+++ b/arch/arm/mm/alignment.c -@@ -211,10 +211,12 @@ 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) -@@ -228,6 +230,7 @@ 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); \ -@@ -236,6 +239,7 @@ 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) -@@ -249,6 +253,7 @@ 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" ) \ -@@ -268,6 +273,7 @@ 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) -@@ -281,6 +287,7 @@ 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" ) \ -@@ -310,6 +317,7 @@ 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/fault.c b/arch/arm/mm/fault.c -index 5dbf13f..a2d1876 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 +139,20 @@ __do_kernel_fault(struct mm_struct *mm, unsigned long addr, unsigned int fsr, - if (fixup_exception(regs)) - return; - -+#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_ERR "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_ERR "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. - */ -@@ -174,6 +189,13 @@ __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; -@@ -398,6 +420,33 @@ 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 - * -@@ -543,9 +592,22 @@ 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_ERR "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_ERR "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: - printk(KERN_ALERT "Unhandled fault: %s (0x%03x) at 0x%08lx\n", - inf->name, fsr, addr); - -@@ -569,15 +631,68 @@ 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 == 0xffff0fe0UL) { -+ /* -+ * PaX: __kuser_get_tls emulation -+ */ -+ regs->ARM_r0 = current_thread_info()->tp_value; -+ 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_ERR "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_ERR "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) { -+ unsigned int bkpt; -+ -+ if (!probe_kernel_address((unsigned int *)pc, bkpt) && cpu_to_le32(bkpt) == 0xe12f1073) { -+ 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: - printk(KERN_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 0ecc43f..190b956 100644 ---- a/arch/arm/mm/init.c -+++ b/arch/arm/mm/init.c -@@ -30,6 +30,8 @@ - #include <asm/setup.h> - #include <asm/tlb.h> - #include <asm/fixmap.h> -+#include <asm/system_info.h> -+#include <asm/cp15.h> - - #include <asm/mach/arch.h> - #include <asm/mach/map.h> -@@ -726,7 +728,46 @@ void free_initmem(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, 0, "TCM link"); - #endif -diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c -index 04d9006..c547d85 100644 ---- a/arch/arm/mm/ioremap.c -+++ b/arch/arm/mm/ioremap.c -@@ -392,9 +392,9 @@ __arm_ioremap_exec(unsigned long phys_addr, size_t size, bool cached) - unsigned int mtype; - - if (cached) -- mtype = MT_MEMORY; -+ mtype = MT_MEMORY_RX; - else -- mtype = MT_MEMORY_NONCACHED; -+ mtype = MT_MEMORY_NONCACHED_RX; - - 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 10062ce..8695745 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); - - /* -@@ -173,6 +183,10 @@ 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 -+ - /* 8 bits of randomness in 20 address space bits */ - if ((current->flags & PF_RANDOMIZE) && - !(current->personality & ADDR_NO_RANDOMIZE)) -@@ -180,10 +194,22 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - - 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; - mm->unmap_area = arch_unmap_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; - mm->unmap_area = arch_unmap_area_topdown; - } -diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c -index daf336f..4e6392c 100644 ---- a/arch/arm/mm/mmu.c -+++ b/arch/arm/mm/mmu.c -@@ -36,6 +36,22 @@ - #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. -@@ -228,10 +244,18 @@ __setup("noalign", noalign_setup); - - #endif /* ifdef CONFIG_CPU_CP15 / else */ - --#define PROT_PTE_DEVICE L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY|L_PTE_XN -+#define PROT_PTE_DEVICE L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY - #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, -@@ -260,16 +284,16 @@ static struct mem_type mem_types[] = { - [MT_UNCACHED] = { - .prot_pte = PROT_PTE_DEVICE, - .prot_l1 = PMD_TYPE_TABLE, -- .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, -+ .prot_sect = PROT_SECT_DEVICE, - .domain = DOMAIN_IO, - }, - [MT_CACHECLEAN] = { -- .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, - #ifndef CONFIG_ARM_LPAE - [MT_MINICLEAN] = { -- .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN | PMD_SECT_MINICACHE, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_MINICACHE | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, - #endif -@@ -277,36 +301,54 @@ 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] = { -+ [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, - .domain = DOMAIN_KERNEL, - }, -+ [MT_MEMORY_RW] = { -+ .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, -+ .domain = DOMAIN_KERNEL, -+ }, -+ [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] = { -- .prot_sect = PMD_TYPE_SECT, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, -- [MT_MEMORY_NONCACHED] = { -+ [MT_MEMORY_NONCACHED_RW] = { - .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_NONCACHED_RX] = { -+ .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_DTCM] = { -- .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | -- L_PTE_XN, -+ .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY, - .prot_l1 = PMD_TYPE_TABLE, -- .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, - [MT_MEMORY_ITCM] = { -@@ -316,10 +358,10 @@ static struct mem_type mem_types[] = { - }, - [MT_MEMORY_SO] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | -- L_PTE_MT_UNCACHED | L_PTE_XN, -+ L_PTE_MT_UNCACHED, - .prot_l1 = PMD_TYPE_TABLE, - .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_S | -- PMD_SECT_UNCACHED | PMD_SECT_XN, -+ PMD_SECT_UNCACHED, - .domain = DOMAIN_KERNEL, - }, - [MT_MEMORY_DMA_READY] = { -@@ -405,9 +447,35 @@ static void __init build_mem_type_table(void) - * to prevent speculative instruction fetches. - */ - mem_types[MT_DEVICE].prot_sect |= PMD_SECT_XN; -+ mem_types[MT_DEVICE].prot_pte |= L_PTE_XN; - mem_types[MT_DEVICE_NONSHARED].prot_sect |= PMD_SECT_XN; -+ mem_types[MT_DEVICE_NONSHARED].prot_pte |= L_PTE_XN; - mem_types[MT_DEVICE_CACHED].prot_sect |= PMD_SECT_XN; -+ mem_types[MT_DEVICE_CACHED].prot_pte |= L_PTE_XN; - mem_types[MT_DEVICE_WC].prot_sect |= PMD_SECT_XN; -+ mem_types[MT_DEVICE_WC].prot_pte |= L_PTE_XN; -+ -+ /* Mark other regions on ARMv6+ as execute-never */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mem_types[MT_UNCACHED].prot_sect |= PMD_SECT_XN; -+ mem_types[MT_UNCACHED].prot_pte |= L_PTE_XN; -+ mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_XN; -+ mem_types[MT_CACHECLEAN].prot_pte |= L_PTE_XN; -+#ifndef CONFIG_ARM_LPAE -+ mem_types[MT_MINICLEAN].prot_sect |= PMD_SECT_XN; -+ mem_types[MT_MINICLEAN].prot_pte |= L_PTE_XN; -+#endif -+ mem_types[MT_MEMORY_RW].prot_sect |= PMD_SECT_XN; -+ mem_types[MT_MEMORY_RW].prot_pte |= L_PTE_XN; -+ mem_types[MT_MEMORY_NONCACHED_RW].prot_sect |= PMD_SECT_XN; -+ mem_types[MT_MEMORY_NONCACHED_RW].prot_pte |= PMD_SECT_XN; -+ mem_types[MT_MEMORY_DTCM].prot_sect |= PMD_SECT_XN; -+ mem_types[MT_MEMORY_DTCM].prot_pte |= L_PTE_XN; -+#endif -+ -+ mem_types[MT_MEMORY_SO].prot_sect |= PMD_SECT_XN; -+ mem_types[MT_MEMORY_SO].prot_pte |= L_PTE_XN; - } - if (cpu_arch >= CPU_ARCH_ARMv7 && (cr & CR_TRE)) { - /* -@@ -468,6 +536,9 @@ static void __init build_mem_type_table(void) - * from SVC mode and no access from userspace. - */ - mem_types[MT_ROM].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; -+#endif - 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; - #endif -@@ -485,11 +556,17 @@ 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].prot_sect |= PMD_SECT_S; -- mem_types[MT_MEMORY].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_NONCACHED].prot_sect |= PMD_SECT_S; -- mem_types[MT_MEMORY_NONCACHED].prot_pte |= L_PTE_SHARED; -+ mem_types[MT_MEMORY_NONCACHED_RW].prot_sect |= PMD_SECT_S; -+ mem_types[MT_MEMORY_NONCACHED_RW].prot_pte |= L_PTE_SHARED; -+ mem_types[MT_MEMORY_NONCACHED_RX].prot_sect |= PMD_SECT_S; -+ mem_types[MT_MEMORY_NONCACHED_RX].prot_pte |= L_PTE_SHARED; - } - } - -@@ -500,15 +577,20 @@ 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_NONCACHED].prot_sect |= -+ mem_types[MT_MEMORY_NONCACHED_RW].prot_sect |= -+ PMD_SECT_BUFFERED; -+ mem_types[MT_MEMORY_NONCACHED_RX].prot_sect |= - PMD_SECT_BUFFERED; - } else { - /* For both ARMv6 and non-TEX-remapping ARMv7 */ -- mem_types[MT_MEMORY_NONCACHED].prot_sect |= -+ mem_types[MT_MEMORY_NONCACHED_RW].prot_sect |= -+ PMD_SECT_TEX(1); -+ mem_types[MT_MEMORY_NONCACHED_RX].prot_sect |= - PMD_SECT_TEX(1); - } - } else { -- mem_types[MT_MEMORY_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE; -+ mem_types[MT_MEMORY_NONCACHED_RW].prot_sect |= PMD_SECT_BUFFERABLE; -+ mem_types[MT_MEMORY_NONCACHED_RX].prot_sect |= PMD_SECT_BUFFERABLE; - } - - #ifdef CONFIG_ARM_LPAE -@@ -524,6 +606,8 @@ static void __init build_mem_type_table(void) - vecs_pgprot |= PTE_EXT_AF; - #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); -@@ -541,10 +625,15 @@ 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].prot_sect |= ecc_mask | cp->pmd; -- mem_types[MT_MEMORY].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_NONCACHED].prot_sect |= ecc_mask; -+ mem_types[MT_MEMORY_NONCACHED_RW].prot_sect |= ecc_mask; -+ mem_types[MT_MEMORY_NONCACHED_RX].prot_sect |= ecc_mask; - mem_types[MT_ROM].prot_sect |= cp->pmd; - - switch (cp->pmd) { -@@ -1166,18 +1255,15 @@ 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(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)); -@@ -1217,7 +1303,7 @@ static void __init devicemaps_init(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 -@@ -1287,8 +1373,39 @@ static void __init map_lowmem(void) - map.pfn = __phys_to_pfn(start); - map.virtual = __phys_to_virt(start); - map.length = end - start; -- map.type = MT_MEMORY; - -+#ifdef CONFIG_PAX_KERNEXEC -+ 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); -+ } -+#endif -+ -+ map.type = MT_MEMORY_RW; - create_mapping(&map); - } - } -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/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h -index ce6d763..cfea917 100644 ---- a/arch/arm/plat-samsung/include/plat/dma-ops.h -+++ b/arch/arm/plat-samsung/include/plat/dma-ops.h -@@ -47,7 +47,7 @@ struct samsung_dma_ops { - int (*started)(unsigned ch); - int (*flush)(unsigned ch); - int (*stop)(unsigned ch); --}; -+} __no_const; - - extern void *samsung_dmadev_get_ops(void); - extern void *s3c_dma_get_ops(void); -diff --git a/arch/arm64/kernel/debug-monitors.c b/arch/arm64/kernel/debug-monitors.c -index f4726dc..39ed646 100644 ---- a/arch/arm64/kernel/debug-monitors.c -+++ b/arch/arm64/kernel/debug-monitors.c -@@ -149,7 +149,7 @@ static int __cpuinit os_lock_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata os_lock_nb = { -+static struct notifier_block os_lock_nb = { - .notifier_call = os_lock_notify, - }; - -diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c -index 5ab825c..96aaec8 100644 ---- a/arch/arm64/kernel/hw_breakpoint.c -+++ b/arch/arm64/kernel/hw_breakpoint.c -@@ -831,7 +831,7 @@ static int __cpuinit hw_breakpoint_reset_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata hw_breakpoint_reset_nb = { -+static struct notifier_block hw_breakpoint_reset_nb = { - .notifier_call = hw_breakpoint_reset_notify, - }; - -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 d232888..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 (2 * TASK_SIZE / 3) -+#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 b2f2d2d..d1c85cb 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. -@@ -174,6 +191,16 @@ 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 b86329d..6709906 100644 ---- a/arch/frv/include/asm/atomic.h -+++ b/arch/frv/include/asm/atomic.h -@@ -186,6 +186,16 @@ 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..c2a401d 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 f4ca594..adc72fd6 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 __cacheline_aligned __aligned(L1_CACHE_BYTES) - #define ____cacheline_aligned __aligned(L1_CACHE_BYTES) -diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h -index 6e6fe18..a6ae668 100644 ---- a/arch/ia64/include/asm/atomic.h -+++ b/arch/ia64/include/asm/atomic.h -@@ -208,6 +208,16 @@ 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)) -+ - /* Atomic operations are already serializing */ - #define smp_mb__before_atomic_dec() barrier() - #define smp_mb__after_atomic_dec() barrier() -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 96a8d92..617a1cf 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 815810c..d60bd4c 100644 ---- a/arch/ia64/include/asm/pgtable.h -+++ b/arch/ia64/include/asm/pgtable.h -@@ -12,7 +12,7 @@ - * David Mosberger-Tang davidm@hpl.hp.com - */ - -- -+#include <linux/const.h> - #include <asm/mman.h> - #include <asm/page.h> - #include <asm/processor.h> -@@ -142,6 +142,17 @@ - #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 54ff557..70c88b7 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 449c8c0..18965fb 100644 ---- a/arch/ia64/include/asm/uaccess.h -+++ b/arch/ia64/include/asm/uaccess.h -@@ -240,12 +240,24 @@ 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); - } - -@@ -255,10 +267,13 @@ __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; \ - }) - -@@ -266,11 +281,14 @@ __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/err_inject.c b/arch/ia64/kernel/err_inject.c -index 2d67317..07d8bfa 100644 ---- a/arch/ia64/kernel/err_inject.c -+++ b/arch/ia64/kernel/err_inject.c -@@ -256,7 +256,7 @@ static int __cpuinit err_inject_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata err_inject_cpu_notifier = -+static struct notifier_block err_inject_cpu_notifier = - { - .notifier_call = err_inject_cpu_callback, - }; -diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c -index d7396db..b33e873 100644 ---- a/arch/ia64/kernel/mca.c -+++ b/arch/ia64/kernel/mca.c -@@ -1922,7 +1922,7 @@ static int __cpuinit mca_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block mca_cpu_notifier __cpuinitdata = { -+static struct notifier_block mca_cpu_notifier = { - .notifier_call = mca_cpu_callback - }; - -diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c -index 24603be..948052d 100644 ---- a/arch/ia64/kernel/module.c -+++ b/arch/ia64/kernel/module.c -@@ -307,8 +307,7 @@ plt_target (struct plt_entry *plt) - void - module_free (struct module *mod, void *module_region) - { -- if (mod && mod->arch.init_unw_table && -- module_region == mod->module_init) { -+ if (mod && mod->arch.init_unw_table && module_region == mod->module_init_rx) { - unw_remove_unwind_table(mod->arch.init_unw_table); - mod->arch.init_unw_table = NULL; - } -@@ -494,15 +493,39 @@ 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 -@@ -685,7 +708,14 @@ 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: -@@ -820,15 +850,15 @@ 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 2b3c2d7..a318d84 100644 ---- a/arch/ia64/kernel/palinfo.c -+++ b/arch/ia64/kernel/palinfo.c -@@ -980,7 +980,7 @@ static int __cpuinit 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/salinfo.c b/arch/ia64/kernel/salinfo.c -index 4bc580a..7767f24 100644 ---- a/arch/ia64/kernel/salinfo.c -+++ b/arch/ia64/kernel/salinfo.c -@@ -609,7 +609,7 @@ salinfo_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu - return NOTIFY_OK; - } - --static struct notifier_block salinfo_cpu_notifier __cpuinitdata = -+static struct notifier_block salinfo_cpu_notifier = - { - .notifier_call = salinfo_cpu_callback, - .priority = 0, -diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c -index 41e33f8..65180b2 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/topology.c b/arch/ia64/kernel/topology.c -index dc00b2c..cce53c2 100644 ---- a/arch/ia64/kernel/topology.c -+++ b/arch/ia64/kernel/topology.c -@@ -445,7 +445,7 @@ static int __cpuinit cache_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata cache_cpu_notifier = -+static struct notifier_block cache_cpu_notifier = - { - .notifier_call = cache_cpu_callback - }; -diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S -index 0ccb28f..8992469 100644 ---- a/arch/ia64/kernel/vmlinux.lds.S -+++ b/arch/ia64/kernel/vmlinux.lds.S -@@ -198,7 +198,7 @@ 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 6cf0341..d352594 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 -@@ -149,8 +166,21 @@ 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 76069c1..c2aa816 100644 ---- a/arch/ia64/mm/hugetlbpage.c -+++ b/arch/ia64/mm/hugetlbpage.c -@@ -149,6 +149,7 @@ 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; -@@ -172,6 +173,7 @@ 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 d1fe4b4..2628f37 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)) { -diff --git a/arch/m32r/include/asm/cache.h b/arch/m32r/include/asm/cache.h -index 40b3ee9..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/mm/hugetlbpage.c b/arch/metag/mm/hugetlbpage.c -index 3c52fa6..11b2ad8 100644 ---- a/arch/metag/mm/hugetlbpage.c -+++ b/arch/metag/mm/hugetlbpage.c -@@ -200,6 +200,7 @@ 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/include/asm/atomic.h b/arch/mips/include/asm/atomic.h -index 08b6079..e94e6da 100644 ---- a/arch/mips/include/asm/atomic.h -+++ b/arch/mips/include/asm/atomic.h -@@ -21,15 +21,39 @@ - #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) (*(volatile int *)&(v)->counter) -+static inline int atomic_read(const atomic_t *v) -+{ -+ return (*(volatile const int *) &v->counter); -+} -+ -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return (*(volatile const int *) &v->counter); -+} - - /* - * atomic_set - set atomic variable -@@ -38,7 +62,15 @@ - * - * 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; -+} -+ -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} - - /* - * atomic_add - add integer to atomic variable -@@ -47,7 +79,67 @@ - * - * Atomically adds @i to @v. - */ --static __inline__ void atomic_add(int i, atomic_t * v) -+static __inline__ void atomic_add(int i, atomic_t *v) -+{ -+ int temp; -+ -+ if (kernel_uses_llsc && R10000_LLSC_WAR) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: ll %0, %1 # atomic_add \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "2: add %0, %2 \n" -+#else -+ " addu %0, %2 \n" -+#endif -+ " sc %0, %1 \n" -+ " beqzl %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "3: \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ " .set mips0 \n" -+ : "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else if (kernel_uses_llsc) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: ll %0, %1 # atomic_add \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "2: add %0, %2 \n" -+#else -+ " addu %0, %2 \n" -+#endif -+ " sc %0, %1 \n" -+ " beqz %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "3: \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ " .set mips0 \n" -+ : "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else { -+ unsigned long flags; -+ -+ raw_local_irq_save(flags); -+ __asm__ __volatile__( -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "1: add %0, %1 \n" -+ "2: \n" -+ _ASM_EXTABLE(1b, 2b) -+#else -+ " addu %0, %1 \n" -+#endif -+ : "+r" (v->counter) : "Ir" (i)); -+ raw_local_irq_restore(flags); -+ } -+} -+ -+static __inline__ void atomic_add_unchecked(int i, atomic_unchecked_t *v) - { - if (kernel_uses_llsc && R10000_LLSC_WAR) { - int temp; -@@ -90,7 +182,67 @@ static __inline__ void atomic_add(int i, atomic_t * v) - * - * Atomically subtracts @i from @v. - */ --static __inline__ void atomic_sub(int i, atomic_t * v) -+static __inline__ void atomic_sub(int i, atomic_t *v) -+{ -+ int temp; -+ -+ if (kernel_uses_llsc && R10000_LLSC_WAR) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: ll %0, %1 # atomic64_sub \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "2: sub %0, %2 \n" -+#else -+ " subu %0, %2 \n" -+#endif -+ " sc %0, %1 \n" -+ " beqzl %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "3: \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ " .set mips0 \n" -+ : "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else if (kernel_uses_llsc) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: ll %0, %1 # atomic64_sub \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "2: sub %0, %2 \n" -+#else -+ " subu %0, %2 \n" -+#endif -+ " sc %0, %1 \n" -+ " beqz %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "3: \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ " .set mips0 \n" -+ : "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else { -+ unsigned long flags; -+ -+ raw_local_irq_save(flags); -+ __asm__ __volatile__( -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "1: sub %0, %1 \n" -+ "2: \n" -+ _ASM_EXTABLE(1b, 2b) -+#else -+ " subu %0, %1 \n" -+#endif -+ : "+r" (v->counter) : "Ir" (i)); -+ raw_local_irq_restore(flags); -+ } -+} -+ -+static __inline__ void atomic_sub_unchecked(long i, atomic_unchecked_t *v) - { - if (kernel_uses_llsc && R10000_LLSC_WAR) { - int temp; -@@ -129,7 +281,93 @@ static __inline__ void atomic_sub(int i, atomic_t * v) - /* - * Same as above, but return the result value - */ --static __inline__ int atomic_add_return(int i, atomic_t * v) -+static __inline__ int atomic_add_return(int i, atomic_t *v) -+{ -+ int result; -+ int temp; -+ -+ smp_mb__before_llsc(); -+ -+ if (kernel_uses_llsc && R10000_LLSC_WAR) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: ll %1, %2 # atomic_add_return \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "2: add %0, %1, %3 \n" -+#else -+ " addu %0, %1, %3 \n" -+#endif -+ " sc %0, %2 \n" -+ " beqzl %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ " b 4f \n" -+ " .set noreorder \n" -+ "3: b 5f \n" -+ " move %0, %1 \n" -+ " .set reorder \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ "4: addu %0, %1, %3 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "5: \n" -+#endif -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else if (kernel_uses_llsc) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: ll %1, %2 # atomic_add_return \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "2: add %0, %1, %3 \n" -+#else -+ " addu %0, %1, %3 \n" -+#endif -+ " sc %0, %2 \n" -+ " bnez %0, 4f \n" -+ " b 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ " .set noreorder \n" -+ "3: b 5f \n" -+ " move %0, %1 \n" -+ " .set reorder \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ "4: addu %0, %1, %3 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "5: \n" -+#endif -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else { -+ unsigned long flags; -+ -+ raw_local_irq_save(flags); -+ __asm__ __volatile__( -+ " lw %0, %1 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "1: add %0, %2 \n" -+#else -+ " addu %0, %2 \n" -+#endif -+ " sw %0, %1 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Note: Dest reg is not modified on overflow */ -+ "2: \n" -+ _ASM_EXTABLE(1b, 2b) -+#endif -+ : "=&r" (result), "+m" (v->counter) : "Ir" (i)); -+ raw_local_irq_restore(flags); -+ } -+ -+ smp_llsc_mb(); -+ -+ return result; -+} -+ -+static __inline__ int atomic_add_return_unchecked(int i, atomic_unchecked_t *v) - { - int result; - -@@ -178,7 +416,93 @@ static __inline__ int atomic_add_return(int i, atomic_t * v) - return result; - } - --static __inline__ int atomic_sub_return(int i, atomic_t * v) -+static __inline__ int atomic_sub_return(int i, atomic_t *v) -+{ -+ int result; -+ int temp; -+ -+ smp_mb__before_llsc(); -+ -+ if (kernel_uses_llsc && R10000_LLSC_WAR) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: ll %1, %2 # atomic_sub_return \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "2: sub %0, %1, %3 \n" -+#else -+ " subu %0, %1, %3 \n" -+#endif -+ " sc %0, %2 \n" -+ " beqzl %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ " b 4f \n" -+ " .set noreorder \n" -+ "3: b 5f \n" -+ " move %0, %1 \n" -+ " .set reorder \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ "4: subu %0, %1, %3 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "5: \n" -+#endif -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "=m" (v->counter) -+ : "Ir" (i), "m" (v->counter) -+ : "memory"); -+ } else if (kernel_uses_llsc) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: ll %1, %2 # atomic_sub_return \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "2: sub %0, %1, %3 \n" -+#else -+ " subu %0, %1, %3 \n" -+#endif -+ " sc %0, %2 \n" -+ " bnez %0, 4f \n" -+ " b 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ " .set noreorder \n" -+ "3: b 5f \n" -+ " move %0, %1 \n" -+ " .set reorder \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ "4: subu %0, %1, %3 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "5: \n" -+#endif -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else { -+ unsigned long flags; -+ -+ raw_local_irq_save(flags); -+ __asm__ __volatile__( -+ " lw %0, %1 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "1: sub %0, %2 \n" -+#else -+ " subu %0, %2 \n" -+#endif -+ " sw %0, %1 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Note: Dest reg is not modified on overflow */ -+ "2: \n" -+ _ASM_EXTABLE(1b, 2b) -+#endif -+ : "=&r" (result), "+m" (v->counter) : "Ir" (i)); -+ raw_local_irq_restore(flags); -+ } -+ -+ smp_llsc_mb(); -+ -+ return result; -+} -+static __inline__ int atomic_sub_return_unchecked(int i, atomic_unchecked_t *v) - { - int result; - -@@ -238,7 +562,7 @@ static __inline__ int atomic_sub_return(int i, atomic_t * v) - * 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; - -@@ -295,8 +619,26 @@ 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 -@@ -324,6 +666,7 @@ 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)) -+#define atomic_inc_return_unchecked(v) atomic_add_return_unchecked(1, (v)) - - /* - * atomic_sub_and_test - subtract value from variable and test result -@@ -345,6 +688,7 @@ 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) -+#define atomic_inc_and_test_unchecked(v) (atomic_add_return_unchecked(1, (v)) == 0) - - /* - * atomic_dec_and_test - decrement by 1 and test -@@ -369,6 +713,7 @@ 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)) -+#define atomic_inc_unchecked(v) atomic_add_unchecked(1, (v)) - - /* - * atomic_dec - decrement and test -@@ -377,6 +722,7 @@ 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)) -+#define atomic_dec_unchecked(v) atomic_sub_return_unchecked(1, (v)) - - /* - * atomic_add_negative - add and test if negative -@@ -398,14 +744,30 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * @v: pointer of type atomic64_t - * - */ --#define atomic64_read(v) (*(volatile long *)&(v)->counter) -+static inline long atomic64_read(const atomic64_t *v) -+{ -+ return (*(volatile const long *) &v->counter); -+} -+ -+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return (*(volatile const long *) &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; -+} -+ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ v->counter = i; -+} - - /* - * atomic64_add - add integer to atomic variable -@@ -414,7 +776,66 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * - * Atomically adds @i to @v. - */ --static __inline__ void atomic64_add(long i, atomic64_t * v) -+static __inline__ void atomic64_add(long i, atomic64_t *v) -+{ -+ long temp; -+ -+ if (kernel_uses_llsc && R10000_LLSC_WAR) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: lld %0, %1 # atomic64_add \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "2: dadd %0, %2 \n" -+#else -+ " daddu %0, %2 \n" -+#endif -+ " scd %0, %1 \n" -+ " beqzl %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "3: \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ " .set mips0 \n" -+ : "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else if (kernel_uses_llsc) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: lld %0, %1 # atomic64_add \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "2: dadd %0, %2 \n" -+#else -+ " daddu %0, %2 \n" -+#endif -+ " scd %0, %1 \n" -+ " beqz %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "3: \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ " .set mips0 \n" -+ : "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else { -+ unsigned long flags; -+ -+ raw_local_irq_save(flags); -+ __asm__ __volatile__( -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "1: dadd %0, %1 \n" -+ "2: \n" -+ _ASM_EXTABLE(1b, 2b) -+#else -+ " daddu %0, %1 \n" -+#endif -+ : "+r" (v->counter) : "Ir" (i)); -+ raw_local_irq_restore(flags); -+ } -+} -+static __inline__ void atomic64_add_unchecked(long i, atomic64_unchecked_t *v) - { - if (kernel_uses_llsc && R10000_LLSC_WAR) { - long temp; -@@ -457,7 +878,67 @@ static __inline__ void atomic64_add(long i, atomic64_t * v) - * - * Atomically subtracts @i from @v. - */ --static __inline__ void atomic64_sub(long i, atomic64_t * v) -+static __inline__ void atomic64_sub(long i, atomic64_t *v) -+{ -+ long temp; -+ -+ if (kernel_uses_llsc && R10000_LLSC_WAR) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: lld %0, %1 # atomic64_sub \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "2: dsub %0, %2 \n" -+#else -+ " dsubu %0, %2 \n" -+#endif -+ " scd %0, %1 \n" -+ " beqzl %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "3: \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ " .set mips0 \n" -+ : "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else if (kernel_uses_llsc) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: lld %0, %1 # atomic64_sub \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "2: dsub %0, %2 \n" -+#else -+ " dsubu %0, %2 \n" -+#endif -+ " scd %0, %1 \n" -+ " beqz %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "3: \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ " .set mips0 \n" -+ : "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else { -+ unsigned long flags; -+ -+ raw_local_irq_save(flags); -+ __asm__ __volatile__( -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "1: dsub %0, %1 \n" -+ "2: \n" -+ _ASM_EXTABLE(1b, 2b) -+#else -+ " dsubu %0, %1 \n" -+#endif -+ : "+r" (v->counter) : "Ir" (i)); -+ raw_local_irq_restore(flags); -+ } -+} -+ -+static __inline__ void atomic64_sub_unchecked(long i, atomic64_unchecked_t *v) - { - if (kernel_uses_llsc && R10000_LLSC_WAR) { - long temp; -@@ -496,7 +977,93 @@ static __inline__ void atomic64_sub(long i, atomic64_t * v) - /* - * Same as above, but return the result value - */ --static __inline__ long atomic64_add_return(long i, atomic64_t * v) -+static __inline__ long atomic64_add_return(long i, atomic64_t *v) -+{ -+ long result; -+ long temp; -+ -+ smp_mb__before_llsc(); -+ -+ if (kernel_uses_llsc && R10000_LLSC_WAR) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: lld %1, %2 # atomic64_add_return \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "2: dadd %0, %1, %3 \n" -+#else -+ " daddu %0, %1, %3 \n" -+#endif -+ " scd %0, %2 \n" -+ " beqzl %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ " b 4f \n" -+ " .set noreorder \n" -+ "3: b 5f \n" -+ " move %0, %1 \n" -+ " .set reorder \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ "4: daddu %0, %1, %3 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "5: \n" -+#endif -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "+m" (v->counter) -+ : "Ir" (i)); -+ } else if (kernel_uses_llsc) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: lld %1, %2 # atomic64_add_return \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "2: dadd %0, %1, %3 \n" -+#else -+ " daddu %0, %1, %3 \n" -+#endif -+ " scd %0, %2 \n" -+ " bnez %0, 4f \n" -+ " b 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ " .set noreorder \n" -+ "3: b 5f \n" -+ " move %0, %1 \n" -+ " .set reorder \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ "4: daddu %0, %1, %3 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "5: \n" -+#endif -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "=m" (v->counter) -+ : "Ir" (i), "m" (v->counter) -+ : "memory"); -+ } else { -+ unsigned long flags; -+ -+ raw_local_irq_save(flags); -+ __asm__ __volatile__( -+ " ld %0, %1 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "1: dadd %0, %2 \n" -+#else -+ " daddu %0, %2 \n" -+#endif -+ " sd %0, %1 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Note: Dest reg is not modified on overflow */ -+ "2: \n" -+ _ASM_EXTABLE(1b, 2b) -+#endif -+ : "=&r" (result), "+m" (v->counter) : "Ir" (i)); -+ raw_local_irq_restore(flags); -+ } -+ -+ smp_llsc_mb(); -+ -+ return result; -+} -+static __inline__ long atomic64_add_return_unchecked(long i, atomic64_unchecked_t *v) - { - long result; - -@@ -546,7 +1113,97 @@ static __inline__ long atomic64_add_return(long i, atomic64_t * v) - return result; - } - --static __inline__ long atomic64_sub_return(long i, atomic64_t * v) -+static __inline__ long atomic64_sub_return(long i, atomic64_t *v) -+{ -+ long result; -+ long temp; -+ -+ smp_mb__before_llsc(); -+ -+ if (kernel_uses_llsc && R10000_LLSC_WAR) { -+ long temp; -+ -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: lld %1, %2 # atomic64_sub_return \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "2: dsub %0, %1, %3 \n" -+#else -+ " dsubu %0, %1, %3 \n" -+#endif -+ " scd %0, %2 \n" -+ " beqzl %0, 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ " b 4f \n" -+ " .set noreorder \n" -+ "3: b 5f \n" -+ " move %0, %1 \n" -+ " .set reorder \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ "4: dsubu %0, %1, %3 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "5: \n" -+#endif -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "=m" (v->counter) -+ : "Ir" (i), "m" (v->counter) -+ : "memory"); -+ } else if (kernel_uses_llsc) { -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1: lld %1, %2 # atomic64_sub_return \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "2: dsub %0, %1, %3 \n" -+#else -+ " dsubu %0, %1, %3 \n" -+#endif -+ " scd %0, %2 \n" -+ " bnez %0, 4f \n" -+ " b 1b \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ " .set noreorder \n" -+ "3: b 5f \n" -+ " move %0, %1 \n" -+ " .set reorder \n" -+ _ASM_EXTABLE(2b, 3b) -+#endif -+ "4: dsubu %0, %1, %3 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ "5: \n" -+#endif -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "=m" (v->counter) -+ : "Ir" (i), "m" (v->counter) -+ : "memory"); -+ } else { -+ unsigned long flags; -+ -+ raw_local_irq_save(flags); -+ __asm__ __volatile__( -+ " ld %0, %1 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Exception on overflow. */ -+ "1: dsub %0, %2 \n" -+#else -+ " dsubu %0, %2 \n" -+#endif -+ " sd %0, %1 \n" -+#ifdef CONFIG_PAX_REFCOUNT -+ /* Note: Dest reg is not modified on overflow */ -+ "2: \n" -+ _ASM_EXTABLE(1b, 2b) -+#endif -+ : "=&r" (result), "+m" (v->counter) : "Ir" (i)); -+ raw_local_irq_restore(flags); -+ } -+ -+ smp_llsc_mb(); -+ -+ return result; -+} -+ -+static __inline__ long atomic64_sub_return_unchecked(long i, atomic64_unchecked_t *v) - { - long result; - -@@ -605,7 +1262,7 @@ static __inline__ long atomic64_sub_return(long i, atomic64_t * v) - * 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; - -@@ -662,9 +1319,26 @@ 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 -@@ -694,6 +1368,7 @@ 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 -@@ -715,6 +1390,7 @@ 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 -@@ -739,6 +1415,7 @@ 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 -@@ -747,6 +1424,7 @@ 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/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 cf3ae24..238d22f 100644 ---- a/arch/mips/include/asm/elf.h -+++ b/arch/mips/include/asm/elf.h -@@ -372,13 +372,16 @@ 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, - int uses_interp); - --struct mm_struct; --extern unsigned long arch_randomize_brk(struct mm_struct *mm); --#define arch_randomize_brk arch_randomize_brk -- - #endif /* _ASM_ELF_H */ -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/local.h b/arch/mips/include/asm/local.h -index d44622c..64990d2 100644 ---- a/arch/mips/include/asm/local.h -+++ b/arch/mips/include/asm/local.h -@@ -12,15 +12,25 @@ 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 -@@ -70,6 +80,51 @@ 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; -@@ -117,6 +172,8 @@ 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 f59552f..3abe9b9 100644 ---- a/arch/mips/include/asm/page.h -+++ b/arch/mips/include/asm/page.h -@@ -95,7 +95,7 @@ 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 881d18b..cea38bc 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/thread_info.h b/arch/mips/include/asm/thread_info.h -index 895320e..bf63e10 100644 ---- a/arch/mips/include/asm/thread_info.h -+++ b/arch/mips/include/asm/thread_info.h -@@ -115,6 +115,8 @@ static inline struct thread_info *current_thread_info(void) - #define TIF_32BIT_ADDR 23 /* 32-bit address space (o32/n32) */ - #define TIF_FPUBOUND 24 /* thread bound to FPU-full CPU set */ - #define TIF_LOAD_WATCH 25 /* If set, load watch registers */ -+/* li takes a 32bit immediate */ -+#define TIF_GRSEC_SETXID 29 /* update credentials on syscall entry/exit */ - #define TIF_SYSCALL_TRACE 31 /* syscall trace active */ - - #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) -@@ -130,15 +132,18 @@ static inline struct thread_info *current_thread_info(void) - #define _TIF_32BIT_ADDR (1<<TIF_32BIT_ADDR) - #define _TIF_FPUBOUND (1<<TIF_FPUBOUND) - #define _TIF_LOAD_WATCH (1<<TIF_LOAD_WATCH) -+#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID) -+ -+#define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_GRSEC_SETXID) - - /* work to do in syscall_trace_leave() */ --#define _TIF_WORK_SYSCALL_EXIT (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT) -+#define _TIF_WORK_SYSCALL_EXIT (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_GRSEC_SETXID) - - /* work to do on interrupt/exception return */ - #define _TIF_WORK_MASK \ - (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_NOTIFY_RESUME) - /* work to do on any return to u-space */ --#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | _TIF_WORK_SYSCALL_EXIT) -+#define _TIF_ALLWORK_MASK (_TIF_WORK_MASK | _TIF_WORK_SYSCALL_EXIT | _TIF_GRSEC_SETXID) - - #endif /* __KERNEL__ */ - -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 202e581..689ca79 100644 ---- a/arch/mips/kernel/binfmt_elfo32.c -+++ b/arch/mips/kernel/binfmt_elfo32.c -@@ -56,6 +56,13 @@ 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> - - /* -diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c -index c6a041d..b3e7318 100644 ---- a/arch/mips/kernel/process.c -+++ b/arch/mips/kernel/process.c -@@ -563,15 +563,3 @@ unsigned long get_wchan(struct task_struct *task) - 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; --} -diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c -index 9c6299c..2fb4c22 100644 ---- a/arch/mips/kernel/ptrace.c -+++ b/arch/mips/kernel/ptrace.c -@@ -528,6 +528,10 @@ static inline int audit_arch(void) - return arch; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - /* - * Notification of system call entry/exit - * - triggered by current->work.syscall_trace -@@ -537,6 +541,11 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs) - /* do the secure computing check first */ - secure_computing_strict(regs->regs[2]); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - if (!(current->ptrace & PT_PTRACED)) - goto out; - -diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S -index 9b36424..e7f4154 100644 ---- a/arch/mips/kernel/scall32-o32.S -+++ b/arch/mips/kernel/scall32-o32.S -@@ -52,7 +52,7 @@ NESTED(handle_sys, PT_SIZE, sp) - - stack_done: - lw t0, TI_FLAGS($28) # syscall tracing enabled? -- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT -+ li t1, _TIF_SYSCALL_WORK - and t0, t1 - bnez t0, syscall_trace_entry # -> yes - -diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S -index 97a5909..59622f8 100644 ---- a/arch/mips/kernel/scall64-64.S -+++ b/arch/mips/kernel/scall64-64.S -@@ -54,7 +54,7 @@ NESTED(handle_sys64, PT_SIZE, sp) - - sd a3, PT_R26(sp) # save a3 for syscall restarting - -- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT -+ li t1, _TIF_SYSCALL_WORK - LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? - and t0, t1, t0 - bnez t0, syscall_trace_entry -diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S -index edcb659..fb2ab09 100644 ---- a/arch/mips/kernel/scall64-n32.S -+++ b/arch/mips/kernel/scall64-n32.S -@@ -47,7 +47,7 @@ NESTED(handle_sysn32, PT_SIZE, sp) - - sd a3, PT_R26(sp) # save a3 for syscall restarting - -- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT -+ li t1, _TIF_SYSCALL_WORK - LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? - and t0, t1, t0 - bnez t0, n32_syscall_trace_entry -diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S -index 74f485d..47d2c38 100644 ---- a/arch/mips/kernel/scall64-o32.S -+++ b/arch/mips/kernel/scall64-o32.S -@@ -81,7 +81,7 @@ NESTED(handle_sys, PT_SIZE, sp) - PTR 4b, bad_stack - .previous - -- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT -+ li t1, _TIF_SYSCALL_WORK - LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? - and t0, t1, t0 - bnez t0, trace_a_syscall -diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c -index a75ae40..0d0f56a 100644 ---- a/arch/mips/kernel/traps.c -+++ b/arch/mips/kernel/traps.c -@@ -675,7 +675,17 @@ asmlinkage void do_ov(struct pt_regs *regs) - { - siginfo_t info; - -- die_if_kernel("Integer overflow", regs); -+ if (unlikely(!user_mode(regs))) { -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (fixup_exception(regs)) { -+ pax_report_refcount_overflow(regs); -+ return; -+ } -+#endif -+ -+ die("Integer overflow", regs); -+ } - - info.si_code = FPE_INTOVF; - info.si_signo = SIGFPE; -diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c -index 0fead53..eeb00a6 100644 ---- a/arch/mips/mm/fault.c -+++ b/arch/mips/mm/fault.c -@@ -27,6 +27,23 @@ - #include <asm/highmem.h> /* For VMALLOC_END */ - #include <linux/kdebug.h> - -+#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 -@@ -196,6 +213,14 @@ 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 0 -diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c -index 7e5fe27..9656513 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(vmm, 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; -@@ -146,6 +152,10 @@ 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 = get_random_int(); - random_factor = random_factor << PAGE_SHIFT; -@@ -157,42 +167,27 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - - 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; - mm->unmap_area = arch_unmap_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; - mm->unmap_area = arch_unmap_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/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 472886c..00e7df9 100644 ---- a/arch/parisc/include/asm/atomic.h -+++ b/arch/parisc/include/asm/atomic.h -@@ -252,6 +252,16 @@ 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 ad2b503..bdf1651 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 fc987a1..6e068ef 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, -@@ -93,6 +98,7 @@ 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 1e40d7f..a3eb445 100644 ---- a/arch/parisc/include/asm/pgtable.h -+++ b/arch/parisc/include/asm/pgtable.h -@@ -223,6 +223,17 @@ extern void purge_tlb_entries(struct mm_struct *, unsigned long); - #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 e0a8235..ce2f1e1 100644 ---- a/arch/parisc/include/asm/uaccess.h -+++ b/arch/parisc/include/asm/uaccess.h -@@ -245,10 +245,10 @@ 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 2a625fb..9908930 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) -@@ -371,13 +393,13 @@ 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; -@@ -395,7 +417,7 @@ 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; -@@ -413,7 +435,7 @@ 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); -@@ -431,7 +453,7 @@ 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 */ -@@ -843,7 +865,7 @@ 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 5dfd248..64914ac 100644 ---- a/arch/parisc/kernel/sys_parisc.c -+++ b/arch/parisc/kernel/sys_parisc.c -@@ -33,9 +33,11 @@ - #include <linux/utsname.h> - #include <linux/personality.h> - --static unsigned long get_unshared_area(unsigned long addr, unsigned long len) -+static unsigned long get_unshared_area(struct file *filp, unsigned long addr, unsigned long len, -+ 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; -@@ -43,6 +45,7 @@ static unsigned long get_unshared_area(unsigned long addr, unsigned long len) - info.high_limit = TASK_SIZE; - info.align_mask = 0; - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -@@ -61,10 +64,11 @@ static int get_offset(struct address_space *mapping) - return (unsigned long) mapping >> 8; - } - --static unsigned long get_shared_area(struct address_space *mapping, -- unsigned long addr, unsigned long len, unsigned long pgoff) -+static unsigned long get_shared_area(struct file *filp, struct address_space *mapping, -+ unsigned long addr, unsigned long len, unsigned long pgoff, 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; -@@ -72,6 +76,7 @@ static unsigned long get_shared_area(struct address_space *mapping, - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & (SHMLBA - 1); - info.align_offset = (get_offset(mapping) + pgoff) << PAGE_SHIFT; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -@@ -86,15 +91,22 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - return -EINVAL; - return addr; - } -- if (!addr) -+ if (!addr) { - addr = TASK_UNMAPPED_BASE; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) -+ addr += current->mm->delta_mmap; -+#endif -+ -+ } -+ - if (filp) { -- addr = get_shared_area(filp->f_mapping, addr, len, pgoff); -+ addr = get_shared_area(filp, filp->f_mapping, addr, len, pgoff, flags); - } else if(flags & MAP_SHARED) { -- addr = get_shared_area(NULL, addr, len, pgoff); -+ addr = get_shared_area(filp, NULL, addr, len, pgoff, flags); - } else { -- addr = get_unshared_area(addr, len); -+ addr = get_unshared_area(filp, addr, len, flags); - } - return addr; - } -diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c -index 04e47c6..7a8faf6 100644 ---- a/arch/parisc/kernel/traps.c -+++ b/arch/parisc/kernel/traps.c -@@ -727,9 +727,7 @@ 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 f247a34..dc0f219 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> -@@ -52,7 +53,7 @@ DEFINE_PER_CPU(struct exception_data, exception_data); - 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) { -@@ -138,6 +139,116 @@ 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; -@@ -194,8 +305,33 @@ good_area: - - acc_type = parisc_acctyp(code,regs->iir); - -- 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/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h -index e3b1d41..8e81edf 100644 ---- a/arch/powerpc/include/asm/atomic.h -+++ b/arch/powerpc/include/asm/atomic.h -@@ -523,6 +523,16 @@ static __inline__ long atomic64_inc_not_zero(atomic64_t *v) - return t1; - } - -+#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 /* __powerpc64__ */ - - #endif /* __KERNEL__ */ -diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h -index 9e495c9..b6878e5 100644 ---- a/arch/powerpc/include/asm/cache.h -+++ b/arch/powerpc/include/asm/cache.h -@@ -3,6 +3,7 @@ - - #ifdef __KERNEL__ - -+#include <linux/const.h> - - /* bytes per L1 cache line */ - #if defined(CONFIG_8xx) || defined(CONFIG_403GCX) -@@ -22,7 +23,7 @@ - #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 cc0655a..13eac2e 100644 ---- a/arch/powerpc/include/asm/elf.h -+++ b/arch/powerpc/include/asm/elf.h -@@ -28,8 +28,19 @@ - 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. */ - --extern unsigned long randomize_et_dyn(unsigned long base); --#define ELF_ET_DYN_BASE (randomize_et_dyn(0x20000000)) -+#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 - - /* - * Our registers are always unsigned longs, whether we're a 32 bit -@@ -123,10 +134,6 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm, - (0x7ff >> (PAGE_SHIFT - 12)) : \ - (0x3ffff >> (PAGE_SHIFT - 12))) - --extern unsigned long arch_randomize_brk(struct mm_struct *mm); --#define arch_randomize_brk arch_randomize_brk -- -- - #ifdef CONFIG_SPU_BASE - /* Notes used in ET_CORE. Note name is "SPU/<fd>/<filename>". */ - #define NT_SPU 1 -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/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 988c812..63c7d70 100644 ---- a/arch/powerpc/include/asm/page.h -+++ b/arch/powerpc/include/asm/page.h -@@ -220,8 +220,9 @@ 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) -@@ -249,6 +250,9 @@ 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 88693ce..ac6f9ab 100644 ---- a/arch/powerpc/include/asm/page_64.h -+++ b/arch/powerpc/include/asm/page_64.h -@@ -153,15 +153,18 @@ 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 b66ae72..4a378cd 100644 ---- a/arch/powerpc/include/asm/pgalloc-64.h -+++ b/arch/powerpc/include/asm/pgalloc-64.h -@@ -53,6 +53,7 @@ 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) - { -@@ -70,6 +71,11 @@ 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)) -@@ -171,6 +177,7 @@ 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 7aeb955..19f748e 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 <asm/processor.h> /* For TASK_SIZE */ - #include <asm/mmu.h> -diff --git a/arch/powerpc/include/asm/pte-hash32.h b/arch/powerpc/include/asm/pte-hash32.h -index 4aad413..85d86bf 100644 ---- a/arch/powerpc/include/asm/pte-hash32.h -+++ b/arch/powerpc/include/asm/pte-hash32.h -@@ -21,6 +21,7 @@ - #define _PAGE_FILE 0x004 /* when !present: nonlinear file mapping */ - #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 e1fb161..2290d1d 100644 ---- a/arch/powerpc/include/asm/reg.h -+++ b/arch/powerpc/include/asm/reg.h -@@ -234,6 +234,7 @@ - #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 48cfc85..891382f 100644 ---- a/arch/powerpc/include/asm/smp.h -+++ b/arch/powerpc/include/asm/smp.h -@@ -50,7 +50,7 @@ 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/thread_info.h b/arch/powerpc/include/asm/thread_info.h -index ba7b197..d292e26 100644 ---- a/arch/powerpc/include/asm/thread_info.h -+++ b/arch/powerpc/include/asm/thread_info.h -@@ -93,7 +93,6 @@ static inline struct thread_info *current_thread_info(void) - #define TIF_POLLING_NRFLAG 3 /* true if poll_idle() is polling - TIF_NEED_RESCHED */ - #define TIF_32BIT 4 /* 32 bit binary */ --#define TIF_PERFMON_WORK 5 /* work for pfm_handle_work() */ - #define TIF_PERFMON_CTXSW 6 /* perfmon needs ctxsw calls */ - #define TIF_SYSCALL_AUDIT 7 /* syscall auditing active */ - #define TIF_SINGLESTEP 8 /* singlestepping active */ -@@ -107,6 +106,9 @@ static inline struct thread_info *current_thread_info(void) - #define TIF_EMULATE_STACK_STORE 16 /* Is an instruction emulation - for stack store? */ - #define TIF_MEMDIE 17 /* is terminating due to OOM killer */ -+#define TIF_PERFMON_WORK 18 /* work for pfm_handle_work() */ -+/* mask must be expressable within 16 bits to satisfy 'andi' instruction reqs */ -+#define TIF_GRSEC_SETXID 5 /* update credentials on syscall entry/exit */ - - /* as above, but as bit values */ - #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) -@@ -126,9 +128,10 @@ 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_T_OR_A (_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 4db4959..aba5c41 100644 ---- a/arch/powerpc/include/asm/uaccess.h -+++ b/arch/powerpc/include/asm/uaccess.h -@@ -318,52 +318,6 @@ 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 +341,10 @@ 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 +371,10 @@ 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 +392,92 @@ 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/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S -index 645170a..6cf0271 100644 ---- a/arch/powerpc/kernel/exceptions-64e.S -+++ b/arch/powerpc/kernel/exceptions-64e.S -@@ -757,6 +757,7 @@ 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) -@@ -765,8 +766,7 @@ 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 902ca3c..e942155 100644 ---- a/arch/powerpc/kernel/exceptions-64s.S -+++ b/arch/powerpc/kernel/exceptions-64s.S -@@ -1357,10 +1357,10 @@ 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/module_32.c b/arch/powerpc/kernel/module_32.c -index 2e3200c..72095ce 100644 ---- a/arch/powerpc/kernel/module_32.c -+++ b/arch/powerpc/kernel/module_32.c -@@ -162,7 +162,7 @@ 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) { -- printk("Module doesn't contain .plt or .init.plt sections.\n"); -+ printk("Module %s doesn't contain .plt or .init.plt sections.\n", me->name); - return -ENOEXEC; - } - -@@ -192,11 +192,16 @@ static uint32_t do_plt_call(void *location, - - DEBUGP("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]) { -diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c -index 7baa27b..f6b394a 100644 ---- a/arch/powerpc/kernel/process.c -+++ b/arch/powerpc/kernel/process.c -@@ -884,8 +884,8 @@ 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 - #ifdef CONFIG_PPC_TRANSACTIONAL_MEM - printk("PACATMSCRATCH [%llx]\n", get_paca()->tm_scratch); -@@ -1345,10 +1345,10 @@ 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 || ip == mrth) && curr_frame >= 0) { -- printk(" (%pS)", -+ printk(" (%pA)", - (void *)current->ret_stack[curr_frame].ret); - curr_frame--; - } -@@ -1368,7 +1368,7 @@ 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("--- Exception: %lx at %pS\n LR = %pS\n", -+ printk("--- Exception: %lx at %pA\n LR = %pA\n", - regs->trap, (void *)regs->nip, (void *)lr); - firstframe = 1; - } -@@ -1404,58 +1404,3 @@ 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; --} -- --unsigned long randomize_et_dyn(unsigned long base) --{ -- unsigned long ret = PAGE_ALIGN(base + brk_rnd()); -- -- if (ret < base) -- return base; -- -- return ret; --} -diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c -index 64f7bd5..8dd550f 100644 ---- a/arch/powerpc/kernel/ptrace.c -+++ b/arch/powerpc/kernel/ptrace.c -@@ -1783,6 +1783,10 @@ 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. -@@ -1795,6 +1799,11 @@ 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)) - /* -@@ -1829,6 +1838,11 @@ 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 0f83122..c0aca6a 100644 ---- a/arch/powerpc/kernel/signal_32.c -+++ b/arch/powerpc/kernel/signal_32.c -@@ -987,7 +987,7 @@ int handle_rt_signal32(unsigned long sig, struct k_sigaction *ka, - /* 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 887e99d..310bc11 100644 ---- a/arch/powerpc/kernel/signal_64.c -+++ b/arch/powerpc/kernel/signal_64.c -@@ -751,7 +751,7 @@ int handle_rt_signal64(int signr, struct k_sigaction *ka, siginfo_t *info, - #endif - - /* 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/sysfs.c b/arch/powerpc/kernel/sysfs.c -index e68a845..8b140e6 100644 ---- a/arch/powerpc/kernel/sysfs.c -+++ b/arch/powerpc/kernel/sysfs.c -@@ -522,7 +522,7 @@ static int __cpuinit sysfs_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata sysfs_cpu_nb = { -+static struct notifier_block sysfs_cpu_nb = { - .notifier_call = sysfs_cpu_notify, - }; - -diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c -index 88929b1..bece8f8 100644 ---- a/arch/powerpc/kernel/traps.c -+++ b/arch/powerpc/kernel/traps.c -@@ -141,6 +141,8 @@ 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) - { -@@ -190,6 +192,9 @@ 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); - } - -diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c -index d4f463a..8fb7431 100644 ---- a/arch/powerpc/kernel/vdso.c -+++ b/arch/powerpc/kernel/vdso.c -@@ -34,6 +34,7 @@ - #include <asm/firmware.h> - #include <asm/vdso.h> - #include <asm/vdso_datapage.h> -+#include <asm/mman.h> - - #include "setup.h" - -@@ -222,7 +223,7 @@ 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 -@@ -242,7 +243,7 @@ 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/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 8726779..a33c512 100644 ---- a/arch/powerpc/mm/fault.c -+++ b/arch/powerpc/mm/fault.c -@@ -33,6 +33,10 @@ - #include <linux/magic.h> - #include <linux/ratelimit.h> - #include <linux/context_tracking.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> -@@ -69,6 +73,33 @@ 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. -@@ -216,7 +247,7 @@ 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 -@@ -371,7 +402,7 @@ 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 */ -@@ -386,7 +417,7 @@ good_area: - * processors use the same I/D cache coherency mechanism - * as embedded. - */ -- if (error_code & DSISR_PROTFAULT) -+ if (error_code & (DSISR_PROTFAULT | DSISR_GUARDED)) - goto bad_area; - #endif /* CONFIG_PPC_STD_MMU */ - -@@ -471,6 +502,23 @@ 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_64.c b/arch/powerpc/mm/mmap_64.c -index 67a42ed..cd463e0 100644 ---- a/arch/powerpc/mm/mmap_64.c -+++ b/arch/powerpc/mm/mmap_64.c -@@ -57,6 +57,10 @@ static unsigned long mmap_rnd(void) - { - unsigned long rnd = 0; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) { - /* 8MB for 32bit, 1GB for 64bit */ - if (is_32bit_task()) -@@ -91,10 +95,22 @@ 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; - mm->unmap_area = arch_unmap_area; - } else { - mm->mmap_base = mmap_base(); -+ -+#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; - mm->unmap_area = arch_unmap_area_topdown; - } -diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c -index e779642..e5bb889 100644 ---- a/arch/powerpc/mm/mmu_context_nohash.c -+++ b/arch/powerpc/mm/mmu_context_nohash.c -@@ -363,7 +363,7 @@ static int __cpuinit mmu_context_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata mmu_context_cpu_nb = { -+static struct notifier_block mmu_context_cpu_nb = { - .notifier_call = mmu_context_cpu_notify, - }; - -diff --git a/arch/powerpc/mm/numa.c b/arch/powerpc/mm/numa.c -index cafad40..9cbc0fc 100644 ---- a/arch/powerpc/mm/numa.c -+++ b/arch/powerpc/mm/numa.c -@@ -920,7 +920,7 @@ static void __init *careful_zallocation(int nid, unsigned long size, - return ret; - } - --static struct notifier_block __cpuinitdata ppc64_numa_nb = { -+static struct notifier_block ppc64_numa_nb = { - .notifier_call = cpu_numa_callback, - .priority = 1 /* Must run before sched domains notifier. */ - }; -diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c -index 3e99c14..f00953c 100644 ---- a/arch/powerpc/mm/slice.c -+++ b/arch/powerpc/mm/slice.c -@@ -103,7 +103,7 @@ 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 -EINVAL; - -+#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 9098692..3d54cd1 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/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c -index bdb738a..49c9f95 100644 ---- a/arch/powerpc/platforms/powermac/smp.c -+++ b/arch/powerpc/platforms/powermac/smp.c -@@ -885,7 +885,7 @@ static int smp_core99_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata smp_core99_cpu_nb = { -+static struct notifier_block smp_core99_cpu_nb = { - .notifier_call = smp_core99_cpu_notify, - }; - #endif /* CONFIG_HOTPLUG_CPU */ -diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h -index c797832..ce575c8 100644 ---- a/arch/s390/include/asm/atomic.h -+++ b/arch/s390/include/asm/atomic.h -@@ -326,6 +326,16 @@ 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)) -+ - #define smp_mb__before_atomic_dec() smp_mb() - #define smp_mb__after_atomic_dec() smp_mb() - #define smp_mb__before_atomic_inc() smp_mb() -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 78f4f87..598ce39 100644 ---- a/arch/s390/include/asm/elf.h -+++ b/arch/s390/include/asm/elf.h -@@ -162,8 +162,14 @@ extern unsigned int vdso_enabled; - 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. */ - --extern unsigned long randomize_et_dyn(unsigned long base); --#define ELF_ET_DYN_BASE (randomize_et_dyn(STACK_TOP / 3 * 2)) -+#define ELF_ET_DYN_BASE (STACK_TOP / 3 * 2) -+ -+#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. */ -@@ -222,9 +228,6 @@ struct linux_binprm; - #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 - int arch_setup_additional_pages(struct linux_binprm *, int); - --extern unsigned long arch_randomize_brk(struct mm_struct *mm); --#define arch_randomize_brk arch_randomize_brk -- - void *fill_cpu_elf_notes(void *ptr, struct save_area *sa); - - #endif -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 9c33ed4..e40cbef 100644 ---- a/arch/s390/include/asm/uaccess.h -+++ b/arch/s390/include/asm/uaccess.h -@@ -252,6 +252,10 @@ 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); - } - -@@ -275,6 +279,9 @@ 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) - { -+ if ((long)n < 0) -+ return n; -+ - if (__builtin_constant_p(n) && (n <= 256)) - return uaccess.copy_from_user_small(n, from, to); - else -@@ -306,10 +313,14 @@ __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 7845e15..59c4353 100644 ---- a/arch/s390/kernel/module.c -+++ b/arch/s390/kernel/module.c -@@ -169,11 +169,11 @@ 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; - } - -@@ -289,7 +289,7 @@ 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; -@@ -312,7 +312,7 @@ 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; -@@ -325,7 +325,7 @@ 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; - #ifndef CONFIG_64BIT - ip[0] = 0x0d105810; /* basr 1,0; l 1,6(1); br 1 */ -@@ -350,7 +350,7 @@ 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; -@@ -372,7 +372,7 @@ 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) -@@ -382,7 +382,7 @@ 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 2bc3edd..ab9d598 100644 ---- a/arch/s390/kernel/process.c -+++ b/arch/s390/kernel/process.c -@@ -236,39 +236,3 @@ 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 = PAGE_ALIGN(mm->brk + brk_rnd()); -- -- if (ret < mm->brk) -- return mm->brk; -- return ret; --} -- --unsigned long randomize_et_dyn(unsigned long base) --{ -- unsigned long ret = PAGE_ALIGN(base + brk_rnd()); -- -- if (!(current->flags & PF_RANDOMIZE)) -- return base; -- if (ret < base) -- return base; -- return ret; --} -diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c -index 06bafec..2bca531 100644 ---- a/arch/s390/mm/mmap.c -+++ b/arch/s390/mm/mmap.c -@@ -90,10 +90,22 @@ 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; - mm->unmap_area = arch_unmap_area; - } else { - mm->mmap_base = mmap_base(); -+ -+#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; - mm->unmap_area = arch_unmap_area_topdown; - } -@@ -175,10 +187,22 @@ 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 = s390_get_unmapped_area; - mm->unmap_area = arch_unmap_area; - } else { - mm->mmap_base = mmap_base(); -+ -+#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; - mm->unmap_area = arch_unmap_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 f4c6d02..e9355c3 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/kernel/cpu/sh4a/smp-shx3.c b/arch/sh/kernel/cpu/sh4a/smp-shx3.c -index 03f2b55..b0270327 100644 ---- a/arch/sh/kernel/cpu/sh4a/smp-shx3.c -+++ b/arch/sh/kernel/cpu/sh4a/smp-shx3.c -@@ -143,7 +143,7 @@ shx3_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata shx3_cpu_notifier = { -+static struct notifier_block shx3_cpu_notifier = { - .notifier_call = shx3_cpu_callback, - }; - -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 be56a24..443328f 100644 ---- a/arch/sparc/include/asm/atomic_64.h -+++ b/arch/sparc/include/asm/atomic_64.h -@@ -14,18 +14,40 @@ - #define ATOMIC64_INIT(i) { (i) } - - #define atomic_read(v) (*(volatile int *)&(v)->counter) -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return v->counter; -+} - #define atomic64_read(v) (*(volatile long *)&(v)->counter) -+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return 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; -+} - - extern void atomic_add(int, atomic_t *); -+extern void atomic_add_unchecked(int, atomic_unchecked_t *); - extern void atomic64_add(long, atomic64_t *); -+extern void atomic64_add_unchecked(long, atomic64_unchecked_t *); - extern void atomic_sub(int, atomic_t *); -+extern void atomic_sub_unchecked(int, atomic_unchecked_t *); - extern void atomic64_sub(long, atomic64_t *); -+extern void atomic64_sub_unchecked(long, atomic64_unchecked_t *); - - extern int atomic_add_ret(int, atomic_t *); -+extern int atomic_add_ret_unchecked(int, atomic_unchecked_t *); - extern long atomic64_add_ret(long, atomic64_t *); -+extern long atomic64_add_ret_unchecked(long, atomic64_unchecked_t *); - extern int atomic_sub_ret(int, atomic_t *); - extern long atomic64_sub_ret(long, atomic64_t *); - -@@ -33,13 +55,29 @@ extern long atomic64_sub_ret(long, atomic64_t *); - #define atomic64_dec_return(v) atomic64_sub_ret(1, v) - - #define atomic_inc_return(v) atomic_add_ret(1, v) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_ret_unchecked(1, v); -+} - #define atomic64_inc_return(v) atomic64_add_ret(1, v) -+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ return atomic64_add_ret_unchecked(1, v); -+} - - #define atomic_sub_return(i, v) atomic_sub_ret(i, v) - #define atomic64_sub_return(i, v) atomic64_sub_ret(i, v) - - #define atomic_add_return(i, v) atomic_add_ret(i, v) -+static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v) -+{ -+ return atomic_add_ret_unchecked(i, v); -+} - #define atomic64_add_return(i, v) atomic64_add_ret(i, v) -+static inline long atomic64_add_return_unchecked(long i, atomic64_unchecked_t *v) -+{ -+ return atomic64_add_ret_unchecked(i, v); -+} - - /* - * atomic_inc_and_test - increment and test -@@ -50,6 +88,10 @@ extern long atomic64_sub_ret(long, atomic64_t *); - * 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_ret(i, v) == 0) -@@ -59,25 +101,60 @@ extern long atomic64_sub_ret(long, atomic64_t *); - #define atomic64_dec_and_test(v) (atomic64_sub_ret(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_ret(i, v) < 0) - #define atomic64_add_negative(i, v) (atomic64_add_ret(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; -@@ -88,20 +165,35 @@ 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/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 9b1c36d..209298b 100644 ---- a/arch/sparc/include/asm/pgalloc_32.h -+++ b/arch/sparc/include/asm/pgalloc_32.h -@@ -33,6 +33,7 @@ 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 bcfe063..b333142 100644 ---- a/arch/sparc/include/asm/pgalloc_64.h -+++ b/arch/sparc/include/asm/pgalloc_64.h -@@ -26,6 +26,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) - } - - #define pud_populate(MM, PUD, PMD) pud_set(PUD, PMD) -+#define pud_populate_kernel(MM, PUD, PMD) pud_populate((MM), (PUD), (PMD)) - - static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) - { -diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h -index 6fc1348..390c50a 100644 ---- a/arch/sparc/include/asm/pgtable_32.h -+++ b/arch/sparc/include/asm/pgtable_32.h -@@ -50,6 +50,9 @@ extern unsigned long calc_highpages(void); - #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. -@@ -62,18 +65,18 @@ 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 79da178..c2eede8 100644 ---- a/arch/sparc/include/asm/pgtsrmmu.h -+++ b/arch/sparc/include/asm/pgtsrmmu.h -@@ -115,6 +115,11 @@ - 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/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 dd38075..e7cac83 100644 ---- a/arch/sparc/include/asm/thread_info_32.h -+++ b/arch/sparc/include/asm/thread_info_32.h -@@ -49,6 +49,8 @@ struct thread_info { - unsigned long w_saved; - - struct restart_block restart_block; -+ -+ 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 d5e5042..9bfee76 100644 ---- a/arch/sparc/include/asm/thread_info_64.h -+++ b/arch/sparc/include/asm/thread_info_64.h -@@ -63,6 +63,8 @@ struct thread_info { - struct pt_regs *kern_una_regs; - unsigned int kern_una_insn; - -+ unsigned long lowest_stack; -+ - unsigned long fpregs[0] __attribute__ ((aligned(64))); - }; - -@@ -192,10 +194,11 @@ register struct thread_info *current_thread_info_reg asm("g6"); - #define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */ - /* flag bit 6 is available */ - #define TIF_32BIT 7 /* 32-bit binary */ --/* flag bit 8 is available */ -+#define TIF_GRSEC_SETXID 8 /* update credentials on syscall entry/exit */ - #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. -@@ -214,12 +217,18 @@ 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_GRSEC_SETXID) -+ -+ - /* - * Thread-synchronous status. - * -diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h -index 0167d26..767bb0c 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 53a28dd..50c38c3 100644 ---- a/arch/sparc/include/asm/uaccess_32.h -+++ b/arch/sparc/include/asm/uaccess_32.h -@@ -250,27 +250,46 @@ extern unsigned long __copy_user(void __user *to, const void __user *from, unsig - - 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 e562d3c..191f176 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> -@@ -214,8 +215,15 @@ extern 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); - -@@ -231,8 +239,15 @@ extern 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 d432fb2..6056af1 100644 ---- a/arch/sparc/kernel/Makefile -+++ b/arch/sparc/kernel/Makefile -@@ -3,7 +3,7 @@ - # - - asflags-y := -ansi --ccflags-y := -Werror -+#ccflags-y := -Werror - - extra-y := head_$(BITS).o - -diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c -index 5ef48da..11d460f 100644 ---- a/arch/sparc/kernel/ds.c -+++ b/arch/sparc/kernel/ds.c -@@ -783,6 +783,16 @@ void ldom_set_var(const char *var, const char *value) - char *base, *p; - int msg_len, loops; - -+ if (strlen(var) + strlen(value) + 2 > -+ sizeof(pkt) - sizeof(pkt.header)) { -+ printk(KERN_ERR PFX -+ "contents length: %zu, which more than max: %lu," -+ "so could not set (%s) variable to (%s).\n", -+ strlen(var) + strlen(value) + 2, -+ sizeof(pkt) - sizeof(pkt.header), var, value); -+ return; -+ } -+ - memset(&pkt, 0, sizeof(pkt)); - pkt.header.data.tag.type = DS_DATA; - pkt.header.data.handle = cp->handle; -diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c -index fdd819d..5af08c8 100644 ---- a/arch/sparc/kernel/process_32.c -+++ b/arch/sparc/kernel/process_32.c -@@ -116,14 +116,14 @@ 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], -@@ -160,7 +160,7 @@ 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 baebab2..9cd13b1 100644 ---- a/arch/sparc/kernel/process_64.c -+++ b/arch/sparc/kernel/process_64.c -@@ -158,7 +158,7 @@ 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) -@@ -167,7 +167,7 @@ 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]); -@@ -180,7 +180,7 @@ 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]); - } -@@ -269,7 +269,7 @@ void arch_trigger_all_cpu_backtrace(void) - ((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 7ff45e4..a58f271 100644 ---- a/arch/sparc/kernel/ptrace_64.c -+++ b/arch/sparc/kernel/ptrace_64.c -@@ -1057,6 +1057,10 @@ 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; -@@ -1064,6 +1068,11 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs) - /* do the secure computing check first */ - secure_computing_strict(regs->u_regs[UREG_G1]); - -+#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); - -@@ -1084,6 +1093,11 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs) - - asmlinkage void syscall_trace_leave(struct pt_regs *regs) - { -+#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/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c -index 3a8d184..49498a8 100644 ---- a/arch/sparc/kernel/sys_sparc_32.c -+++ b/arch/sparc/kernel/sys_sparc_32.c -@@ -52,7 +52,7 @@ 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 2daaaa6..4fb84dc 100644 ---- a/arch/sparc/kernel/sys_sparc_64.c -+++ b/arch/sparc/kernel/sys_sparc_64.c -@@ -90,13 +90,14 @@ 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; -@@ -111,6 +112,10 @@ 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); -@@ -118,22 +123,28 @@ 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); - } -@@ -151,6 +162,7 @@ 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. */ -@@ -160,7 +172,7 @@ 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; -@@ -173,6 +185,10 @@ 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) -@@ -181,8 +197,7 @@ 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; - } - -@@ -192,6 +207,7 @@ 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); - - /* -@@ -204,6 +220,12 @@ 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); - } -@@ -260,10 +282,14 @@ 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)) -@@ -276,7 +302,7 @@ 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; - - /* -@@ -289,6 +315,12 @@ 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; - mm->unmap_area = arch_unmap_area; - } else { -@@ -301,6 +333,12 @@ 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; - mm->unmap_area = arch_unmap_area_topdown; - } -diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S -index 22a1098..6255eb9 100644 ---- a/arch/sparc/kernel/syscalls.S -+++ b/arch/sparc/kernel/syscalls.S -@@ -52,7 +52,7 @@ 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), %g0 -+ andcc %l5, _TIF_WORK_SYSCALL, %g0 - be,pt %icc, rtrap - nop - call syscall_trace_leave -@@ -184,7 +184,7 @@ linux_sparc_syscall32: - - srl %i5, 0, %o5 ! IEU1 - srl %i2, 0, %o2 ! IEU0 Group -- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0 -+ andcc %l0, _TIF_WORK_SYSCALL, %g0 - bne,pn %icc, linux_syscall_trace32 ! CTI - mov %i0, %l5 ! IEU1 - call %l7 ! CTI Group brk forced -@@ -207,7 +207,7 @@ 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), %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 -@@ -223,7 +223,7 @@ ret_sys_call: - - cmp %o0, -ERESTART_RESTARTBLOCK - bgeu,pn %xcc, 1f -- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT), %g0 -+ andcc %l0, _TIF_WORK_SYSCALL, %g0 - ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc - - 2: -diff --git a/arch/sparc/kernel/sysfs.c b/arch/sparc/kernel/sysfs.c -index 654e8aa..45f431b 100644 ---- a/arch/sparc/kernel/sysfs.c -+++ b/arch/sparc/kernel/sysfs.c -@@ -266,7 +266,7 @@ static int __cpuinit sysfs_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata sysfs_cpu_nb = { -+static struct notifier_block sysfs_cpu_nb = { - .notifier_call = sysfs_cpu_notify, - }; - -diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c -index 6629829..036032d 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 die_if_kernel(char *str, struct pt_regs *regs) - { - static int die_counter; -@@ -76,15 +78,17 @@ void 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 b3f833a..ac74b2d 100644 ---- a/arch/sparc/kernel/traps_64.c -+++ b/arch/sparc/kernel/traps_64.c -@@ -76,7 +76,7 @@ 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); - } - } - -@@ -96,6 +96,12 @@ 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); - } -@@ -114,11 +120,16 @@ 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); -@@ -1142,7 +1153,7 @@ 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, -@@ -1749,7 +1760,7 @@ 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."); - } - -@@ -1757,7 +1768,7 @@ 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 { -@@ -2104,9 +2115,9 @@ 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", -@@ -2128,9 +2139,9 @@ 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", -@@ -2336,13 +2347,13 @@ 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++; - } - } -@@ -2360,6 +2371,8 @@ 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 die_if_kernel(char *str, struct pt_regs *regs) - { - static int die_counter; -@@ -2388,7 +2401,7 @@ void 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); -@@ -2401,8 +2414,10 @@ void die_if_kernel(char *str, struct pt_regs *regs) - } - user_instruction_dump ((unsigned int __user *) regs->tpc); - } -- 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 8201c25e..072a2a7 100644 ---- a/arch/sparc/kernel/unaligned_64.c -+++ b/arch/sparc/kernel/unaligned_64.c -@@ -286,7 +286,7 @@ 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 dbe119b..089c7c1 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 85c233d..68500e0 100644 ---- a/arch/sparc/lib/atomic_64.S -+++ b/arch/sparc/lib/atomic_64.S -@@ -17,7 +17,12 @@ - ENTRY(atomic_add) /* %o0 = increment, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: lduw [%o1], %g1 -- add %g1, %o0, %g7 -+ addcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %icc, 6 -+#endif -+ - cas [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %icc, BACKOFF_LABEL(2f, 1b) -@@ -27,10 +32,28 @@ ENTRY(atomic_add) /* %o0 = increment, %o1 = atomic_ptr */ - 2: BACKOFF_SPIN(%o2, %o3, 1b) - ENDPROC(atomic_add) - -+ENTRY(atomic_add_unchecked) /* %o0 = increment, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: lduw [%o1], %g1 -+ add %g1, %o0, %g7 -+ cas [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %icc, 2f -+ nop -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ENDPROC(atomic_add_unchecked) -+ - ENTRY(atomic_sub) /* %o0 = decrement, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: lduw [%o1], %g1 -- sub %g1, %o0, %g7 -+ subcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %icc, 6 -+#endif -+ - cas [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %icc, BACKOFF_LABEL(2f, 1b) -@@ -40,10 +63,28 @@ ENTRY(atomic_sub) /* %o0 = decrement, %o1 = atomic_ptr */ - 2: BACKOFF_SPIN(%o2, %o3, 1b) - ENDPROC(atomic_sub) - -+ENTRY(atomic_sub_unchecked) /* %o0 = decrement, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: lduw [%o1], %g1 -+ sub %g1, %o0, %g7 -+ cas [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %icc, 2f -+ nop -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ENDPROC(atomic_sub_unchecked) -+ - ENTRY(atomic_add_ret) /* %o0 = increment, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: lduw [%o1], %g1 -- add %g1, %o0, %g7 -+ addcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %icc, 6 -+#endif -+ - cas [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %icc, BACKOFF_LABEL(2f, 1b) -@@ -53,10 +94,29 @@ ENTRY(atomic_add_ret) /* %o0 = increment, %o1 = atomic_ptr */ - 2: BACKOFF_SPIN(%o2, %o3, 1b) - ENDPROC(atomic_add_ret) - -+ENTRY(atomic_add_ret_unchecked) /* %o0 = increment, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: lduw [%o1], %g1 -+ addcc %g1, %o0, %g7 -+ cas [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %icc, 2f -+ add %g7, %o0, %g7 -+ sra %g7, 0, %o0 -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ENDPROC(atomic_add_ret_unchecked) -+ - ENTRY(atomic_sub_ret) /* %o0 = decrement, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: lduw [%o1], %g1 -- sub %g1, %o0, %g7 -+ subcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %icc, 6 -+#endif -+ - cas [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %icc, BACKOFF_LABEL(2f, 1b) -@@ -69,7 +129,12 @@ ENDPROC(atomic_sub_ret) - ENTRY(atomic64_add) /* %o0 = increment, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: ldx [%o1], %g1 -- add %g1, %o0, %g7 -+ addcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %xcc, 6 -+#endif -+ - casx [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %xcc, BACKOFF_LABEL(2f, 1b) -@@ -79,10 +144,28 @@ ENTRY(atomic64_add) /* %o0 = increment, %o1 = atomic_ptr */ - 2: BACKOFF_SPIN(%o2, %o3, 1b) - ENDPROC(atomic64_add) - -+ENTRY(atomic64_add_unchecked) /* %o0 = increment, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: ldx [%o1], %g1 -+ addcc %g1, %o0, %g7 -+ casx [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %xcc, 2f -+ nop -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ENDPROC(atomic64_add_unchecked) -+ - ENTRY(atomic64_sub) /* %o0 = decrement, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: ldx [%o1], %g1 -- sub %g1, %o0, %g7 -+ subcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %xcc, 6 -+#endif -+ - casx [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %xcc, BACKOFF_LABEL(2f, 1b) -@@ -92,10 +175,28 @@ ENTRY(atomic64_sub) /* %o0 = decrement, %o1 = atomic_ptr */ - 2: BACKOFF_SPIN(%o2, %o3, 1b) - ENDPROC(atomic64_sub) - -+ENTRY(atomic64_sub_unchecked) /* %o0 = decrement, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: ldx [%o1], %g1 -+ subcc %g1, %o0, %g7 -+ casx [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %xcc, 2f -+ nop -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ENDPROC(atomic64_sub_unchecked) -+ - ENTRY(atomic64_add_ret) /* %o0 = increment, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: ldx [%o1], %g1 -- add %g1, %o0, %g7 -+ addcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %xcc, 6 -+#endif -+ - casx [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %xcc, BACKOFF_LABEL(2f, 1b) -@@ -105,10 +206,29 @@ ENTRY(atomic64_add_ret) /* %o0 = increment, %o1 = atomic_ptr */ - 2: BACKOFF_SPIN(%o2, %o3, 1b) - ENDPROC(atomic64_add_ret) - -+ENTRY(atomic64_add_ret_unchecked) /* %o0 = increment, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: ldx [%o1], %g1 -+ addcc %g1, %o0, %g7 -+ casx [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %xcc, 2f -+ add %g7, %o0, %g7 -+ mov %g7, %o0 -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ENDPROC(atomic64_add_ret_unchecked) -+ - ENTRY(atomic64_sub_ret) /* %o0 = decrement, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: ldx [%o1], %g1 -- sub %g1, %o0, %g7 -+ subcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %xcc, 6 -+#endif -+ - casx [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %xcc, BACKOFF_LABEL(2f, 1b) -diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c -index 0c4e35e..745d3e4 100644 ---- a/arch/sparc/lib/ksyms.c -+++ b/arch/sparc/lib/ksyms.c -@@ -109,12 +109,18 @@ EXPORT_SYMBOL(__downgrade_write); - - /* Atomic counter implementation. */ - EXPORT_SYMBOL(atomic_add); -+EXPORT_SYMBOL(atomic_add_unchecked); - EXPORT_SYMBOL(atomic_add_ret); -+EXPORT_SYMBOL(atomic_add_ret_unchecked); - EXPORT_SYMBOL(atomic_sub); -+EXPORT_SYMBOL(atomic_sub_unchecked); - EXPORT_SYMBOL(atomic_sub_ret); - EXPORT_SYMBOL(atomic64_add); -+EXPORT_SYMBOL(atomic64_add_unchecked); - EXPORT_SYMBOL(atomic64_add_ret); -+EXPORT_SYMBOL(atomic64_add_ret_unchecked); - EXPORT_SYMBOL(atomic64_sub); -+EXPORT_SYMBOL(atomic64_sub_unchecked); - EXPORT_SYMBOL(atomic64_sub_ret); - EXPORT_SYMBOL(atomic64_dec_if_positive); - -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 e98bfda..ea8d221 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> -@@ -159,6 +162,277 @@ 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) - { -@@ -230,6 +504,24 @@ 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 5062ff3..e0b75f3 100644 ---- a/arch/sparc/mm/fault_64.c -+++ b/arch/sparc/mm/fault_64.c -@@ -21,6 +21,9 @@ - #include <linux/kprobes.h> - #include <linux/kdebug.h> - #include <linux/percpu.h> -+#include <linux/slab.h> -+#include <linux/pagemap.h> -+#include <linux/compiler.h> - - #include <asm/page.h> - #include <asm/pgtable.h> -@@ -74,7 +77,7 @@ 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); -@@ -270,6 +273,466 @@ static void noinline __kprobes bogus_32bit_fault_address(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) - { - struct mm_struct *mm = current->mm; -@@ -341,6 +804,29 @@ 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 d2b5944..d878f3c 100644 ---- a/arch/sparc/mm/hugetlbpage.c -+++ b/arch/sparc/mm/hugetlbpage.c -@@ -28,7 +28,8 @@ 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) - { - unsigned long task_size = TASK_SIZE; - struct vm_unmapped_area_info info; -@@ -38,15 +39,22 @@ 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); - } -@@ -58,7 +66,8 @@ 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; -@@ -73,6 +82,7 @@ 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); - - /* -@@ -85,6 +95,12 @@ 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); - } -@@ -99,6 +115,7 @@ 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; -@@ -114,19 +131,22 @@ 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/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h -index f4500c6..889656c 100644 ---- a/arch/tile/include/asm/atomic_64.h -+++ b/arch/tile/include/asm/atomic_64.h -@@ -143,6 +143,16 @@ 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)) -+ - /* Atomic dec and inc don't implement barrier, so provide them if needed. */ - #define smp_mb__before_atomic_dec() smp_mb() - #define smp_mb__after_atomic_dec() smp_mb() -diff --git a/arch/tile/include/asm/cache.h b/arch/tile/include/asm/cache.h -index a9a5299..0fce79e 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 8a082bc..7a6bf87 100644 ---- a/arch/tile/include/asm/uaccess.h -+++ b/arch/tile/include/asm/uaccess.h -@@ -408,9 +408,9 @@ 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 650ccff..45fe2d6 100644 ---- a/arch/tile/mm/hugetlbpage.c -+++ b/arch/tile/mm/hugetlbpage.c -@@ -239,6 +239,7 @@ 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); - } - -@@ -256,6 +257,7 @@ 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 133f7de..1d6f2f1 100644 ---- a/arch/um/Makefile -+++ b/arch/um/Makefile -@@ -62,6 +62,10 @@ 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 $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS) - -diff --git a/arch/um/defconfig b/arch/um/defconfig -index 08107a7..ab22afe 100644 ---- a/arch/um/defconfig -+++ b/arch/um/defconfig -@@ -51,7 +51,6 @@ CONFIG_X86_CMPXCHG=y - CONFIG_X86_L1_CACHE_SHIFT=5 - CONFIG_X86_XADD=y - CONFIG_X86_PPRO_FENCE=y --CONFIG_X86_WP_WORKS_OK=y - CONFIG_X86_INVLPG=y - CONFIG_X86_BSWAP=y - CONFIG_X86_POPAD_OK=y -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 5ff53d9..5850cdf 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 0032f92..cd151e0 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 bbcef52..6a2a483 100644 ---- a/arch/um/kernel/process.c -+++ b/arch/um/kernel/process.c -@@ -367,22 +367,6 @@ 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/system.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 fe120da..24177f7 100644 ---- a/arch/x86/Kconfig -+++ b/arch/x86/Kconfig -@@ -239,7 +239,7 @@ 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 -@@ -1073,6 +1073,7 @@ config MICROCODE_EARLY - - config X86_MSR - tristate "/dev/cpu/*/msr - Model-specific register support" -+ depends on !GRKERNSEC_KMEM - ---help--- - This device gives privileged processes access to the x86 - Model-Specific Registers (MSRs). It is a character device with -@@ -1096,7 +1097,7 @@ choice - - config NOHIGHMEM - bool "off" -- depends on !X86_NUMAQ -+ depends on !X86_NUMAQ && !(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 -@@ -1133,7 +1134,7 @@ config NOHIGHMEM - - config HIGHMEM4G - bool "4GB" -- depends on !X86_NUMAQ -+ depends on !X86_NUMAQ && !(PAX_PAGEEXEC && PAX_ENABLE_PAE) - ---help--- - Select this if you have a 32-bit processor and between 1 and 4 - gigabytes of physical RAM. -@@ -1186,7 +1187,7 @@ 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 -@@ -1584,6 +1585,7 @@ config SECCOMP - - config CC_STACKPROTECTOR - bool "Enable -fstack-protector buffer overflow detection" -+ depends on X86_64 || !PAX_MEMORY_UDEREF - ---help--- - This option turns on the -fstack-protector GCC feature. This - feature puts, at the beginning of functions, a canary value on -@@ -1703,6 +1705,8 @@ config X86_NEED_RELOCS - config PHYSICAL_ALIGN - hex "Alignment value to which kernel should be aligned" if X86_32 - default "0x1000000" -+ range 0x200000 0x1000000 if PAX_KERNEXEC && X86_PAE -+ range 0x400000 0x1000000 if PAX_KERNEXEC && !X86_PAE - range 0x2000 0x1000000 - ---help--- - This value puts the alignment restrictions on physical address -@@ -1778,9 +1782,10 @@ config DEBUG_HOTPLUG_CPU0 - If unsure, say N. - - config COMPAT_VDSO -- def_bool y -+ def_bool n - prompt "Compat VDSO support" - depends on X86_32 || IA32_EMULATION -+ depends on !PAX_PAGEEXEC && !PAX_SEGMEXEC && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - ---help--- - Map the 32-bit VDSO to the predictable old-style address too. - -diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu -index c026cca..14657ae 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 -@@ -373,7 +373,7 @@ 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 c198b7e..63eea60 100644 ---- a/arch/x86/Kconfig.debug -+++ b/arch/x86/Kconfig.debug -@@ -84,7 +84,7 @@ config X86_PTDUMP - 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 -@@ -102,7 +102,7 @@ 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 5c47726..8c4fa67 100644 ---- a/arch/x86/Makefile -+++ b/arch/x86/Makefile -@@ -54,6 +54,7 @@ else - UTS_MACHINE := x86_64 - CHECKFLAGS += -D__x86_64__ -m64 - -+ biarch := $(call cc-option,-m64) - KBUILD_AFLAGS += -m64 - KBUILD_CFLAGS += -m64 - -@@ -234,3 +235,12 @@ 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 -+ -+archprepare: -+ $(if $(LDFLAGS_BUILD_ID),,$(error $(OLD_LD))) -diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile -index 379814b..add62ce 100644 ---- a/arch/x86/boot/Makefile -+++ b/arch/x86/boot/Makefile -@@ -65,6 +65,9 @@ KBUILD_CFLAGS := $(USERINCLUDE) -g -Os -D_SETUP -D__KERNEL__ \ - $(call cc-option, -fno-stack-protector) \ - $(call cc-option, -mpreferred-stack-boundary=2) - KBUILD_CFLAGS += $(call cc-option, -m32) -+ifdef CONSTIFY_PLUGIN -+KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify -+endif - KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ - GCOV_PROFILE := n - -diff --git a/arch/x86/boot/bitops.h b/arch/x86/boot/bitops.h -index 878e4b9..20537ab 100644 ---- a/arch/x86/boot/bitops.h -+++ b/arch/x86/boot/bitops.h -@@ -26,7 +26,7 @@ static inline int variable_test_bit(int nr, const void *addr) - u8 v; - const u32 *p = (const u32 *)addr; - -- asm("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); -+ asm volatile("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); - return v; - } - -@@ -37,7 +37,7 @@ static inline int variable_test_bit(int nr, const void *addr) - - static inline void set_bit(int nr, void *addr) - { -- asm("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr)); -+ asm volatile("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr)); - } - - #endif /* BOOT_BITOPS_H */ -diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h -index 5b75319..331a4ca 100644 ---- a/arch/x86/boot/boot.h -+++ b/arch/x86/boot/boot.h -@@ -85,7 +85,7 @@ static inline void io_delay(void) - static inline u16 ds(void) - { - u16 seg; -- asm("movw %%ds,%0" : "=rm" (seg)); -+ asm volatile("movw %%ds,%0" : "=rm" (seg)); - return seg; - } - -@@ -181,7 +181,7 @@ static inline void wrgs32(u32 v, addr_t addr) - static inline int memcmp(const void *s1, const void *s2, size_t len) - { - u8 diff; -- asm("repe; cmpsb; setnz %0" -+ asm volatile("repe; cmpsb; setnz %0" - : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len)); - return diff; - } -diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile -index 5ef205c..342191d 100644 ---- a/arch/x86/boot/compressed/Makefile -+++ b/arch/x86/boot/compressed/Makefile -@@ -14,6 +14,9 @@ cflags-$(CONFIG_X86_64) := -mcmodel=small - KBUILD_CFLAGS += $(cflags-y) - 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/eboot.c b/arch/x86/boot/compressed/eboot.c -index d606463..b887794 100644 ---- a/arch/x86/boot/compressed/eboot.c -+++ b/arch/x86/boot/compressed/eboot.c -@@ -150,7 +150,6 @@ again: - *addr = max_addr; - } - --free_pool: - efi_call_phys1(sys_table->boottime->free_pool, map); - - fail: -@@ -214,7 +213,6 @@ static efi_status_t low_alloc(unsigned long size, unsigned long align, - if (i == map_size / desc_size) - status = EFI_NOT_FOUND; - --free_pool: - efi_call_phys1(sys_table->boottime->free_pool, map); - fail: - return status; -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/head_32.S b/arch/x86/boot/compressed/head_32.S -index 1e3184f..0d11e2e 100644 ---- a/arch/x86/boot/compressed/head_32.S -+++ b/arch/x86/boot/compressed/head_32.S -@@ -118,7 +118,7 @@ preferred_addr: - notl %eax - andl %eax, %ebx - #else -- movl $LOAD_PHYSICAL_ADDR, %ebx -+ movl $____LOAD_PHYSICAL_ADDR, %ebx - #endif - - /* Target address to relocate to for decompression */ -@@ -204,7 +204,7 @@ relocated: - * and where it was actually loaded. - */ - movl %ebp, %ebx -- subl $LOAD_PHYSICAL_ADDR, %ebx -+ subl $____LOAD_PHYSICAL_ADDR, %ebx - jz 2f /* Nothing to be done if loaded at compiled addr. */ - /* - * Process relocations. -@@ -212,8 +212,7 @@ relocated: - - 1: subl $4, %edi - movl (%edi), %ecx -- testl %ecx, %ecx -- jz 2f -+ jecxz 2f - addl %ebx, -__PAGE_OFFSET(%ebx, %ecx) - jmp 1b - 2: -diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S -index 16f24e6..47491a3 100644 ---- a/arch/x86/boot/compressed/head_64.S -+++ b/arch/x86/boot/compressed/head_64.S -@@ -97,7 +97,7 @@ ENTRY(startup_32) - notl %eax - andl %eax, %ebx - #else -- movl $LOAD_PHYSICAL_ADDR, %ebx -+ movl $____LOAD_PHYSICAL_ADDR, %ebx - #endif - - /* Target address to relocate to for decompression */ -@@ -272,7 +272,7 @@ preferred_addr: - notq %rax - andq %rax, %rbp - #else -- movq $LOAD_PHYSICAL_ADDR, %rbp -+ movq $____LOAD_PHYSICAL_ADDR, %rbp - #endif - - /* Target address to relocate to for decompression */ -@@ -363,8 +363,8 @@ 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 7cb56c6..d382d84 100644 ---- a/arch/x86/boot/compressed/misc.c -+++ b/arch/x86/boot/compressed/misc.c -@@ -303,7 +303,7 @@ 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 -@@ -354,7 +354,7 @@ asmlinkage 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 4d3ff03..e4972ff 100644 ---- a/arch/x86/boot/cpucheck.c -+++ b/arch/x86/boot/cpucheck.c -@@ -74,7 +74,7 @@ static int has_fpu(void) - u16 fcw = -1, fsw = -1; - u32 cr0; - -- asm("movl %%cr0,%0" : "=r" (cr0)); -+ asm volatile("movl %%cr0,%0" : "=r" (cr0)); - if (cr0 & (X86_CR0_EM|X86_CR0_TS)) { - cr0 &= ~(X86_CR0_EM|X86_CR0_TS); - asm volatile("movl %0,%%cr0" : : "r" (cr0)); -@@ -90,7 +90,7 @@ static int has_eflag(u32 mask) - { - u32 f0, f1; - -- asm("pushfl ; " -+ asm volatile("pushfl ; " - "pushfl ; " - "popl %0 ; " - "movl %0,%1 ; " -@@ -115,7 +115,7 @@ static void get_flags(void) - set_bit(X86_FEATURE_FPU, cpu.flags); - - if (has_eflag(X86_EFLAGS_ID)) { -- asm("cpuid" -+ asm volatile("cpuid" - : "=a" (max_intel_level), - "=b" (cpu_vendor[0]), - "=d" (cpu_vendor[1]), -@@ -124,7 +124,7 @@ static void get_flags(void) - - if (max_intel_level >= 0x00000001 && - max_intel_level <= 0x0000ffff) { -- asm("cpuid" -+ asm volatile("cpuid" - : "=a" (tfms), - "=c" (cpu.flags[4]), - "=d" (cpu.flags[0]) -@@ -136,7 +136,7 @@ static void get_flags(void) - cpu.model += ((tfms >> 16) & 0xf) << 4; - } - -- asm("cpuid" -+ asm volatile("cpuid" - : "=a" (max_amd_level) - : "a" (0x80000000) - : "ebx", "ecx", "edx"); -@@ -144,7 +144,7 @@ static void get_flags(void) - if (max_amd_level >= 0x80000001 && - max_amd_level <= 0x8000ffff) { - u32 eax = 0x80000001; -- asm("cpuid" -+ asm volatile("cpuid" - : "+a" (eax), - "=c" (cpu.flags[6]), - "=d" (cpu.flags[1]) -@@ -203,9 +203,9 @@ 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_flags(); /* Make sure it really did something */ - err = check_flags(); -@@ -218,9 +218,9 @@ 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_flags(); -@@ -231,12 +231,12 @@ 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_flags(); - } -diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S -index 9ec06a1..2c25e79 100644 ---- a/arch/x86/boot/header.S -+++ b/arch/x86/boot/header.S -@@ -409,10 +409,14 @@ 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 11e8c6e..fdbb1ed 100644 ---- a/arch/x86/boot/video-vesa.c -+++ b/arch/x86/boot/video-vesa.c -@@ -200,6 +200,7 @@ 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 43eda28..5ab5fdb 100644 ---- a/arch/x86/boot/video.c -+++ b/arch/x86/boot/video.c -@@ -96,7 +96,7 @@ 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..5e37f27 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 0, 1; 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 477e9d7..3ab339f 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> - - #ifdef __x86_64__ - .data -@@ -1441,6 +1442,7 @@ _return_T_done_decrypt: - pop %r14 - pop %r13 - pop %r12 -+ pax_force_retaddr 0, 1 - ret - ENDPROC(aesni_gcm_dec) - -@@ -1705,6 +1707,7 @@ _return_T_done_encrypt: - pop %r14 - pop %r13 - pop %r12 -+ pax_force_retaddr 0, 1 - ret - ENDPROC(aesni_gcm_enc) - -@@ -1722,6 +1725,7 @@ _key_expansion_256a: - pxor %xmm1, %xmm0 - movaps %xmm0, (TKEYP) - add $0x10, TKEYP -+ pax_force_retaddr_bts - ret - ENDPROC(_key_expansion_128) - ENDPROC(_key_expansion_256a) -@@ -1748,6 +1752,7 @@ _key_expansion_192a: - shufps $0b01001110, %xmm2, %xmm1 - movaps %xmm1, 0x10(TKEYP) - add $0x20, TKEYP -+ pax_force_retaddr_bts - ret - ENDPROC(_key_expansion_192a) - -@@ -1768,6 +1773,7 @@ _key_expansion_192b: - - movaps %xmm0, (TKEYP) - add $0x10, TKEYP -+ pax_force_retaddr_bts - ret - ENDPROC(_key_expansion_192b) - -@@ -1781,6 +1787,7 @@ _key_expansion_256b: - pxor %xmm1, %xmm2 - movaps %xmm2, (TKEYP) - add $0x10, TKEYP -+ pax_force_retaddr_bts - ret - ENDPROC(_key_expansion_256b) - -@@ -1894,6 +1901,7 @@ ENTRY(aesni_set_key) - #ifndef __x86_64__ - popl KEYP - #endif -+ pax_force_retaddr 0, 1 - ret - ENDPROC(aesni_set_key) - -@@ -1916,6 +1924,7 @@ ENTRY(aesni_enc) - popl KLEN - popl KEYP - #endif -+ pax_force_retaddr 0, 1 - ret - ENDPROC(aesni_enc) - -@@ -1974,6 +1983,7 @@ _aesni_enc1: - AESENC KEY STATE - movaps 0x70(TKEYP), KEY - AESENCLAST KEY STATE -+ pax_force_retaddr_bts - ret - ENDPROC(_aesni_enc1) - -@@ -2083,6 +2093,7 @@ _aesni_enc4: - AESENCLAST KEY STATE2 - AESENCLAST KEY STATE3 - AESENCLAST KEY STATE4 -+ pax_force_retaddr_bts - ret - ENDPROC(_aesni_enc4) - -@@ -2106,6 +2117,7 @@ ENTRY(aesni_dec) - popl KLEN - popl KEYP - #endif -+ pax_force_retaddr 0, 1 - ret - ENDPROC(aesni_dec) - -@@ -2164,6 +2176,7 @@ _aesni_dec1: - AESDEC KEY STATE - movaps 0x70(TKEYP), KEY - AESDECLAST KEY STATE -+ pax_force_retaddr_bts - ret - ENDPROC(_aesni_dec1) - -@@ -2273,6 +2286,7 @@ _aesni_dec4: - AESDECLAST KEY STATE2 - AESDECLAST KEY STATE3 - AESDECLAST KEY STATE4 -+ pax_force_retaddr_bts - ret - ENDPROC(_aesni_dec4) - -@@ -2331,6 +2345,7 @@ ENTRY(aesni_ecb_enc) - popl KEYP - popl LEN - #endif -+ pax_force_retaddr 0, 1 - ret - ENDPROC(aesni_ecb_enc) - -@@ -2390,6 +2405,7 @@ ENTRY(aesni_ecb_dec) - popl KEYP - popl LEN - #endif -+ pax_force_retaddr 0, 1 - ret - ENDPROC(aesni_ecb_dec) - -@@ -2432,6 +2448,7 @@ ENTRY(aesni_cbc_enc) - popl LEN - popl IVP - #endif -+ pax_force_retaddr 0, 1 - ret - ENDPROC(aesni_cbc_enc) - -@@ -2523,6 +2540,7 @@ ENTRY(aesni_cbc_dec) - popl LEN - popl IVP - #endif -+ pax_force_retaddr 0, 1 - ret - ENDPROC(aesni_cbc_dec) - -@@ -2550,6 +2568,7 @@ _aesni_inc_init: - mov $1, TCTR_LOW - MOVQ_R64_XMM TCTR_LOW INC - MOVQ_R64_XMM CTR TCTR_LOW -+ pax_force_retaddr_bts - ret - ENDPROC(_aesni_inc_init) - -@@ -2579,6 +2598,7 @@ _aesni_inc: - .Linc_low: - movaps CTR, IV - PSHUFB_XMM BSWAP_MASK IV -+ pax_force_retaddr_bts - ret - ENDPROC(_aesni_inc) - -@@ -2640,6 +2660,7 @@ ENTRY(aesni_ctr_enc) - .Lctr_enc_ret: - movups IV, (IVP) - .Lctr_enc_just_ret: -+ pax_force_retaddr 0, 1 - ret - ENDPROC(aesni_ctr_enc) - -@@ -2766,6 +2787,7 @@ ENTRY(aesni_xts_crypt8) - pxor INC, STATE4 - movdqu STATE4, 0x70(OUTP) - -+ pax_force_retaddr 0, 1 - ret - ENDPROC(aesni_xts_crypt8) - -diff --git a/arch/x86/crypto/blowfish-avx2-asm_64.S b/arch/x86/crypto/blowfish-avx2-asm_64.S -index 784452e..46982c7 100644 ---- a/arch/x86/crypto/blowfish-avx2-asm_64.S -+++ b/arch/x86/crypto/blowfish-avx2-asm_64.S -@@ -221,6 +221,7 @@ __blowfish_enc_blk32: - - write_block(RXl, RXr); - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(__blowfish_enc_blk32) - -@@ -250,6 +251,7 @@ __blowfish_dec_blk32: - - write_block(RXl, RXr); - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(__blowfish_dec_blk32) - -@@ -284,6 +286,7 @@ ENTRY(blowfish_ecb_enc_32way) - - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(blowfish_ecb_enc_32way) - -@@ -318,6 +321,7 @@ ENTRY(blowfish_ecb_dec_32way) - - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(blowfish_ecb_dec_32way) - -@@ -365,6 +369,7 @@ ENTRY(blowfish_cbc_dec_32way) - - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(blowfish_cbc_dec_32way) - -@@ -445,5 +450,6 @@ ENTRY(blowfish_ctr_32way) - - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(blowfish_ctr_32way) -diff --git a/arch/x86/crypto/blowfish-x86_64-asm_64.S b/arch/x86/crypto/blowfish-x86_64-asm_64.S -index 246c670..4d1ed00 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 0, 1 - ret; - .L__enc_xor: - xor_block(); -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(__blowfish_enc_blk) - -@@ -183,6 +186,7 @@ ENTRY(blowfish_dec_blk) - - movq %r11, %rbp; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(blowfish_dec_blk) - -@@ -334,6 +338,7 @@ ENTRY(__blowfish_enc_blk_4way) - - popq %rbx; - popq %rbp; -+ pax_force_retaddr 0, 1 - ret; - - .L__enc_xor4: -@@ -341,6 +346,7 @@ ENTRY(__blowfish_enc_blk_4way) - - popq %rbx; - popq %rbp; -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(__blowfish_enc_blk_4way) - -@@ -375,5 +381,6 @@ ENTRY(blowfish_dec_blk_4way) - popq %rbx; - popq %rbp; - -+ pax_force_retaddr 0, 1 - 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..2dd5b1e 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_bts - 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_bts - 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_bts - 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_bts - ret; - - .align 8 -@@ -904,6 +909,7 @@ ENTRY(camellia_ecb_enc_16way) - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - -+ pax_force_retaddr 0, 1 - 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 0, 1 - 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 0, 1 - 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 0, 1 - 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 0, 1 - 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 91a1878..bcf340a 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 - -@@ -212,6 +213,7 @@ 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_bts - ret; - ENDPROC(roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd) - -@@ -220,6 +222,7 @@ 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_bts - ret; - ENDPROC(roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) - -@@ -802,6 +805,7 @@ __camellia_enc_blk32: - %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14, - %ymm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 32(%rax)); - -+ pax_force_retaddr_bts - ret; - - .align 8 -@@ -887,6 +891,7 @@ __camellia_dec_blk32: - %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14, - %ymm15, (key_table)(CTX), (%rax), 1 * 32(%rax)); - -+ pax_force_retaddr_bts - ret; - - .align 8 -@@ -930,6 +935,7 @@ ENTRY(camellia_ecb_enc_32way) - - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(camellia_ecb_enc_32way) - -@@ -962,6 +968,7 @@ ENTRY(camellia_ecb_dec_32way) - - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(camellia_ecb_dec_32way) - -@@ -1028,6 +1035,7 @@ ENTRY(camellia_cbc_dec_32way) - - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(camellia_cbc_dec_32way) - -@@ -1166,6 +1174,7 @@ ENTRY(camellia_ctr_32way) - - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(camellia_ctr_32way) - -@@ -1331,6 +1340,7 @@ camellia_xts_crypt_32way: - - vzeroupper; - -+ pax_force_retaddr 0, 1 - 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..ce174a4 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 0, 1 - ret; - - .L__enc_xor: - enc_outunpack(xor, RT1); - - movq RRBP, %rbp; -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(__camellia_enc_blk) - -@@ -272,6 +275,7 @@ ENTRY(camellia_dec_blk) - dec_outunpack(); - - movq RRBP, %rbp; -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(camellia_dec_blk) - -@@ -463,6 +467,7 @@ ENTRY(__camellia_enc_blk_2way) - - movq RRBP, %rbp; - popq %rbx; -+ pax_force_retaddr 0, 1 - ret; - - .L__enc2_xor: -@@ -470,6 +475,7 @@ ENTRY(__camellia_enc_blk_2way) - - movq RRBP, %rbp; - popq %rbx; -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(__camellia_enc_blk_2way) - -@@ -510,5 +516,6 @@ ENTRY(camellia_dec_blk_2way) - - movq RRBP, %rbp; - movq RXOR, %rbx; -+ pax_force_retaddr 0, 1 - 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..c1ee236 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 0, 1 - 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 0, 1 - 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) - -@@ -469,6 +474,7 @@ ENTRY(cast5_cbc_dec_16way) - - popq %r12; - -+ pax_force_retaddr - ret; - ENDPROC(cast5_cbc_dec_16way) - -@@ -542,5 +548,6 @@ ENTRY(cast5_ctr_16way) - - popq %r12; - -+ 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..18ded3a 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 0, 1 - 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 0, 1 - 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) - -@@ -399,6 +404,7 @@ ENTRY(cast6_cbc_dec_8way) - - popq %r12; - -+ pax_force_retaddr - ret; - ENDPROC(cast6_cbc_dec_8way) - -@@ -424,6 +430,7 @@ ENTRY(cast6_ctr_8way) - - popq %r12; - -+ 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 dbc4339..3d868c5 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 - -@@ -312,6 +313,7 @@ do_return: - popq %rsi - popq %rdi - popq %rbx -+ pax_force_retaddr 0, 1 - ret - - ################################################################ -diff --git a/arch/x86/crypto/ghash-clmulni-intel_asm.S b/arch/x86/crypto/ghash-clmulni-intel_asm.S -index 586f41a..d02851e 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 - -@@ -93,6 +94,7 @@ __clmul_gf128mul_ble: - psrlq $1, T2 - pxor T2, T1 - pxor T1, DATA -+ pax_force_retaddr - ret - ENDPROC(__clmul_gf128mul_ble) - -@@ -105,6 +107,7 @@ ENTRY(clmul_ghash_mul) - call __clmul_gf128mul_ble - PSHUFB_XMM BSWAP DATA - movups DATA, (%rdi) -+ pax_force_retaddr - ret - ENDPROC(clmul_ghash_mul) - -@@ -132,6 +135,7 @@ ENTRY(clmul_ghash_update) - PSHUFB_XMM BSWAP DATA - movups DATA, (%rdi) - .Lupdate_just_ret: -+ pax_force_retaddr - ret - ENDPROC(clmul_ghash_update) - -@@ -157,5 +161,6 @@ ENTRY(clmul_ghash_setkey) - pand .Lpoly, %xmm1 - pxor %xmm1, %xmm0 - movups %xmm0, (%rdi) -+ pax_force_retaddr - ret - ENDPROC(clmul_ghash_setkey) -diff --git a/arch/x86/crypto/salsa20-x86_64-asm_64.S b/arch/x86/crypto/salsa20-x86_64-asm_64.S -index 9279e0b..9270820 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 0, 1 - 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..3356d42 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 -@@ -104,6 +105,7 @@ - pop %r12 - pop %rbp - pop %rbx -+ pax_force_retaddr 0, 1 - ret - - ENDPROC(\name) -diff --git a/arch/x86/crypto/sha256-avx-asm.S b/arch/x86/crypto/sha256-avx-asm.S -index 642f156..4ab07b9 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 0, 1 - ret - ENDPROC(sha256_transform_avx) - -diff --git a/arch/x86/crypto/sha256-avx2-asm.S b/arch/x86/crypto/sha256-avx2-asm.S -index 9e86944..2e7f95a 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 0, 1 - ret - ENDPROC(sha256_transform_rorx) - -diff --git a/arch/x86/crypto/sha256-ssse3-asm.S b/arch/x86/crypto/sha256-ssse3-asm.S -index f833b74..c36ed14 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 0, 1 - ret - ENDPROC(sha256_transform_ssse3) - -diff --git a/arch/x86/crypto/sha512-avx-asm.S b/arch/x86/crypto/sha512-avx-asm.S -index 974dde9..4533d34 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 0, 1 - ret - ENDPROC(sha512_transform_avx) - -diff --git a/arch/x86/crypto/sha512-avx2-asm.S b/arch/x86/crypto/sha512-avx2-asm.S -index 568b961..061ef1d 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 0, 1 - ret - ENDPROC(sha512_transform_rorx) - -diff --git a/arch/x86/crypto/sha512-ssse3-asm.S b/arch/x86/crypto/sha512-ssse3-asm.S -index fb56855..e23914f 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 0, 1 - 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..63b1d00 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 0, 1 - 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 0, 1 - 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 0, 1 - 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 0, 1 - ret; - ENDPROC(twofish_ecb_dec_8way) - -@@ -383,6 +388,7 @@ ENTRY(twofish_cbc_dec_8way) - - popq %r12; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(twofish_cbc_dec_8way) - -@@ -408,6 +414,7 @@ ENTRY(twofish_ctr_8way) - - popq %r12; - -+ pax_force_retaddr 0, 1 - 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 0, 1 - 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 0, 1 - ret; - ENDPROC(twofish_xts_dec_8way) -diff --git a/arch/x86/crypto/twofish-avx2-asm_64.S b/arch/x86/crypto/twofish-avx2-asm_64.S -index e1a83b9..33006b9 100644 ---- a/arch/x86/crypto/twofish-avx2-asm_64.S -+++ b/arch/x86/crypto/twofish-avx2-asm_64.S -@@ -11,6 +11,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - #include "glue_helper-asm-avx2.S" - - .file "twofish-avx2-asm_64.S" -@@ -422,6 +423,7 @@ __twofish_enc_blk16: - outunpack_enc16(RA, RB, RC, RD); - write_blocks16(RA, RB, RC, RD); - -+ pax_force_retaddr_bts - ret; - ENDPROC(__twofish_enc_blk16) - -@@ -454,6 +456,7 @@ __twofish_dec_blk16: - outunpack_dec16(RA, RB, RC, RD); - write_blocks16(RA, RB, RC, RD); - -+ pax_force_retaddr_bts - ret; - ENDPROC(__twofish_dec_blk16) - -@@ -476,6 +479,7 @@ ENTRY(twofish_ecb_enc_16way) - popq %r12; - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(twofish_ecb_enc_16way) - -@@ -498,6 +502,7 @@ ENTRY(twofish_ecb_dec_16way) - popq %r12; - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(twofish_ecb_dec_16way) - -@@ -521,6 +526,7 @@ ENTRY(twofish_cbc_dec_16way) - popq %r12; - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(twofish_cbc_dec_16way) - -@@ -546,6 +552,7 @@ ENTRY(twofish_ctr_16way) - popq %r12; - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(twofish_ctr_16way) - -@@ -574,6 +581,7 @@ twofish_xts_crypt_16way: - popq %r12; - vzeroupper; - -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(twofish_xts_crypt_16way) - -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..b365c5e 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 0, 1 - ret; - - .L__enc_xor3: -@@ -269,6 +271,7 @@ ENTRY(__twofish_enc_blk_3way) - popq %r13; - popq %r14; - popq %r15; -+ pax_force_retaddr 0, 1 - ret; - ENDPROC(__twofish_enc_blk_3way) - -@@ -308,5 +311,6 @@ ENTRY(twofish_dec_blk_3way) - popq %r13; - popq %r14; - popq %r15; -+ pax_force_retaddr 0, 1 - 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 a039d21..29e7615 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 - movq $1,%rax -+ pax_force_retaddr 0, 1 - ret - ENDPROC(twofish_enc_blk) - -@@ -317,5 +319,6 @@ ENTRY(twofish_dec_blk) - - popq R1 - movq $1,%rax -+ pax_force_retaddr 0, 1 - ret - ENDPROC(twofish_dec_blk) -diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c -index 52ff81c..98af645 100644 ---- a/arch/x86/ia32/ia32_aout.c -+++ b/arch/x86/ia32/ia32_aout.c -@@ -159,6 +159,8 @@ static int aout_core_dump(long signr, struct pt_regs *regs, struct file *file, - 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 cf1a471..5ba2673 100644 ---- a/arch/x86/ia32/ia32_signal.c -+++ b/arch/x86/ia32/ia32_signal.c -@@ -340,7 +340,7 @@ 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; - } - -@@ -398,7 +398,7 @@ 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) -@@ -440,7 +440,7 @@ 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); -@@ -459,20 +459,22 @@ int ia32_setup_rt_frame(int sig, struct ksignal *ksig, - else - put_user_ex(0, &frame->uc.uc_flags); - put_user_ex(0, &frame->uc.uc_link); -- err |= __compat_save_altstack(&frame->uc.uc_stack, regs->sp); -+ __compat_save_altstack_ex(&frame->uc.uc_stack, regs->sp); - - 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 = VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn); - else -- restorer = VDSO32_SYMBOL(current->mm->context.vdso, -- 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 474dc1b..9297c58 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> -@@ -96,6 +98,32 @@ 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. - * -@@ -122,12 +150,6 @@ ENTRY(ia32_sysenter_target) - CFI_REGISTER rsp,rbp - SWAPGS_UNSAFE_STACK - movq PER_CPU_VAR(kernel_stack), %rsp -- addq $(KERNEL_STACK_OFFSET),%rsp -- /* -- * No need to follow this irqs on/off section: the syscall -- * disabled irqs, here we enable it straight after entry: -- */ -- ENABLE_INTERRUPTS(CLBR_NONE) - movl %ebp,%ebp /* zero extension */ - pushq_cfi $__USER32_DS - /*CFI_REL_OFFSET ss,0*/ -@@ -135,24 +157,49 @@ ENTRY(ia32_sysenter_target) - CFI_REL_OFFSET rsp,0 - pushfq_cfi - /*CFI_REL_OFFSET rflags,0*/ -- movl TI_sysenter_return+THREAD_INFO(%rsp,3*8-KERNEL_STACK_OFFSET),%r10d -- CFI_REGISTER rip,r10 -+ orl $X86_EFLAGS_IF,(%rsp) -+ GET_THREAD_INFO(%r11) -+ movl TI_sysenter_return(%r11), %r11d -+ CFI_REGISTER rip,r11 - pushq_cfi $__USER32_CS - /*CFI_REL_OFFSET cs,0*/ - movl %eax, %eax -- pushq_cfi %r10 -+ pushq_cfi %r11 - CFI_REL_OFFSET rip,0 - pushq_cfi %rax - cld - SAVE_ARGS 0,1,0 -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ -+ /* -+ * No need to follow this irqs on/off section: the syscall -+ * disabled irqs, here we enable it straight after entry: -+ */ -+ 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 -- orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET) -- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ -+#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 sysenter_tracesys - cmpq $(IA32_NR_syscalls-1),%rax -@@ -162,12 +209,15 @@ sysenter_do_call: - sysenter_dispatch: - call *ia32_sys_call_table(,%rax,8) - movq %rax,RAX-ARGOFFSET(%rsp) -+ GET_THREAD_INFO(%r11) - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ testl $_TIF_ALLWORK_MASK,TI_flags(%r11) - jnz sysexit_audit - sysexit_from_sys_call: -- andl $~TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ pax_exit_kernel_user -+ pax_erase_kstack -+ andl $~TS_COMPAT,TI_status(%r11) - /* clear IF, that popfq doesn't enable interrupts early */ - andl $~0x200,EFLAGS-R11(%rsp) - movl RIP-R11(%rsp),%edx /* User %eip */ -@@ -193,6 +243,9 @@ sysexit_from_sys_call: - movl %eax,%esi /* 2nd arg: syscall number */ - movl $AUDIT_ARCH_I386,%edi /* 1st arg: audit arch */ - call __audit_syscall_entry -+ -+ pax_erase_kstack -+ - movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall number */ - cmpq $(IA32_NR_syscalls-1),%rax - ja ia32_badsys -@@ -204,7 +257,7 @@ sysexit_from_sys_call: - .endm - - .macro auditsys_exit exit -- testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11) - jnz ia32_ret_from_sys_call - TRACE_IRQS_ON - ENABLE_INTERRUPTS(CLBR_NONE) -@@ -215,11 +268,12 @@ 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-ARGOFFSET(%rsp),%rax /* reload syscall return value */ - movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- testl %edi,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ testl %edi,TI_flags(%r11) - jz \exit - CLEAR_RREGS -ARGOFFSET - jmp int_with_check -@@ -237,7 +291,7 @@ sysexit_audit: - - sysenter_tracesys: - #ifdef CONFIG_AUDITSYSCALL -- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11) - jz sysenter_auditsys - #endif - SAVE_REST -@@ -249,6 +303,9 @@ sysenter_tracesys: - RESTORE_REST - 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) -@@ -276,19 +333,25 @@ ENDPROC(ia32_sysenter_target) - ENTRY(ia32_cstar_target) - CFI_STARTPROC32 simple - CFI_SIGNAL_FRAME -- CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET -+ CFI_DEF_CFA rsp,0 - CFI_REGISTER rip,rcx - /*CFI_REGISTER rflags,r11*/ - SWAPGS_UNSAFE_STACK - movl %esp,%r8d - CFI_REGISTER rsp,r8 - movq PER_CPU_VAR(kernel_stack),%rsp -+ SAVE_ARGS 8*6,0,0 -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ - /* - * No need to follow this irqs on/off section: the syscall - * disabled irqs and here we enable it straight after entry: - */ - ENABLE_INTERRUPTS(CLBR_NONE) -- SAVE_ARGS 8,0,0 - movl %eax,%eax /* zero extension */ - movq %rax,ORIG_RAX-ARGOFFSET(%rsp) - movq %rcx,RIP-ARGOFFSET(%rsp) -@@ -304,12 +367,25 @@ ENTRY(ia32_cstar_target) - /* no need to do an access_ok check here because r8 has been - 32bit zero extended */ - /* hardware stack frame is complete now */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ASM_PAX_OPEN_USERLAND -+ movq pax_user_shadow_base,%r8 -+ addq RSP-ARGOFFSET(%rsp),%r8 -+#endif -+ - ASM_STAC - 1: movl (%r8),%r9d - _ASM_EXTABLE(1b,ia32_badarg) - ASM_CLAC -- orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET) -- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ -+#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 -@@ -319,12 +395,15 @@ cstar_do_call: - cstar_dispatch: - call *ia32_sys_call_table(,%rax,8) - movq %rax,RAX-ARGOFFSET(%rsp) -+ GET_THREAD_INFO(%r11) - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- testl $_TIF_ALLWORK_MASK,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ testl $_TIF_ALLWORK_MASK,TI_flags(%r11) - jnz sysretl_audit - sysretl_from_sys_call: -- andl $~TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ pax_exit_kernel_user -+ pax_erase_kstack -+ andl $~TS_COMPAT,TI_status(%r11) - RESTORE_ARGS 0,-ARG_SKIP,0,0,0 - movl RIP-ARGOFFSET(%rsp),%ecx - CFI_REGISTER rip,rcx -@@ -352,7 +431,7 @@ sysretl_audit: - - cstar_tracesys: - #ifdef CONFIG_AUDITSYSCALL -- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11) - jz cstar_auditsys - #endif - xchgl %r9d,%ebp -@@ -366,11 +445,19 @@ 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 -@@ -407,19 +494,26 @@ ENTRY(ia32_syscall) - CFI_REL_OFFSET rip,RIP-RIP - PARAVIRT_ADJUST_EXCEPTION_FRAME - SWAPGS -- /* -- * No need to follow this irqs on/off section: the syscall -- * disabled irqs and here we enable it straight after entry: -- */ -- ENABLE_INTERRUPTS(CLBR_NONE) - movl %eax,%eax - pushq_cfi %rax - cld - /* note the registers are not zero extended to the sf. - this could be a problem. */ - SAVE_ARGS 0,1,0 -- orl $TS_COMPAT,TI_status+THREAD_INFO(%rsp,RIP-ARGOFFSET) -- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ -+ /* -+ * No need to follow this irqs on/off section: the syscall -+ * disabled irqs and here we enable it straight after entry: -+ */ -+ 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 -@@ -442,6 +536,9 @@ ia32_tracesys: - RESTORE_REST - 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 8e0ceec..af13504 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 372231c..a5aa1a1 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 %r10,\rip(%rsp) -+ .endm -+ .macro pax_force_fptr ptr -+ orq %r10,\ptr -+ .endm -+ .macro pax_set_fptr_mask -+ movabs $0x8000000000000000,%r10 -+ .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 - .long \orig - . - .long \alt - . -diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h -index 58ed6d9..f1cbe58 100644 ---- a/arch/x86/include/asm/alternative.h -+++ b/arch/x86/include/asm/alternative.h -@@ -105,7 +105,7 @@ static inline int alternatives_text_reserved(void *start, void *end) - ".pushsection .discard,"aw",@progbits\n" \ - DISCARD_ENTRY(1) \ - ".popsection\n" \ -- ".pushsection .altinstr_replacement, "ax"\n" \ -+ ".pushsection .altinstr_replacement, "a"\n" \ - ALTINSTR_REPLACEMENT(newinstr, feature, 1) \ - ".popsection" - -@@ -119,7 +119,7 @@ static inline int alternatives_text_reserved(void *start, void *end) - DISCARD_ENTRY(1) \ - DISCARD_ENTRY(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 3388034..050f0b9 100644 ---- a/arch/x86/include/asm/apic.h -+++ b/arch/x86/include/asm/apic.h -@@ -44,7 +44,7 @@ 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 722aa3b..3a0bb27 100644 ---- a/arch/x86/include/asm/atomic.h -+++ b/arch/x86/include/asm/atomic.h -@@ -22,7 +22,18 @@ - */ - static inline int atomic_read(const atomic_t *v) - { -- return (*(volatile int *)&(v)->counter); -+ return (*(volatile const int *)&(v)->counter); -+} -+ -+/** -+ * atomic_read_unchecked - read atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically reads the value of @v. -+ */ -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return (*(volatile const int *)&(v)->counter); - } - - /** -@@ -38,6 +49,18 @@ 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 -@@ -46,7 +69,29 @@ 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)); - } -@@ -60,7 +105,29 @@ 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 +145,16 @@ static inline int atomic_sub_and_test(int i, atomic_t *v) - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "subl %2,%0; sete %1" -+ asm volatile(LOCK_PREFIX "subl %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "addl %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" - : "+m" (v->counter), "=qm" (c) - : "ir" (i) : "memory"); - return c; -@@ -92,7 +168,27 @@ 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)); - } - -@@ -104,7 +200,27 @@ 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)); - } - -@@ -120,7 +236,16 @@ static inline int atomic_dec_and_test(atomic_t *v) - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "decl %0; sete %1" -+ 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 -+ -+ "sete %1\n" - : "+m" (v->counter), "=qm" (c) - : : "memory"); - return c != 0; -@@ -138,7 +263,35 @@ static inline int atomic_inc_and_test(atomic_t *v) - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "incl %0; sete %1" -+ 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 -+ -+ "sete %1\n" -+ : "+m" (v->counter), "=qm" (c) -+ : : "memory"); -+ return c != 0; -+} -+ -+/** -+ * 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) -+{ -+ unsigned char c; -+ -+ asm volatile(LOCK_PREFIX "incl %0\n" -+ "sete %1\n" - : "+m" (v->counter), "=qm" (c) - : : "memory"); - return c != 0; -@@ -157,7 +310,16 @@ static inline int atomic_add_negative(int i, atomic_t *v) - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "addl %2,%0; sets %1" -+ asm volatile(LOCK_PREFIX "addl %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "subl %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sets %1\n" - : "+m" (v->counter), "=qm" (c) - : "ir" (i) : "memory"); - return c; -@@ -172,6 +334,18 @@ static inline int atomic_add_negative(int i, atomic_t *v) - */ - static inline int 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); - } - -@@ -188,6 +362,10 @@ static inline int atomic_sub_return(int i, atomic_t *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) -@@ -195,11 +373,21 @@ 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 already a given value - * @v: pointer of type atomic_t -@@ -211,12 +399,25 @@ 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; -@@ -225,6 +426,49 @@ 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 - * -@@ -253,14 +497,37 @@ static inline void atomic_or_long(unsigned long *v1, unsigned long v2) - #endif - - /* 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"); -+} - - /* Atomic operations are already serializing on x86 */ - #define smp_mb__before_atomic_dec() barrier() -diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h -index b154de7..aadebd8 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 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 0e1cbfc..5623683 100644 ---- a/arch/x86/include/asm/atomic64_64.h -+++ b/arch/x86/include/asm/atomic64_64.h -@@ -18,7 +18,19 @@ - */ - static inline long atomic64_read(const atomic64_t *v) - { -- return (*(volatile long *)&(v)->counter); -+ return (*(volatile const long *)&(v)->counter); -+} -+ -+/** -+ * 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 atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return (*(volatile const long *)&(v)->counter); - } - - /** -@@ -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)); - } -@@ -74,7 +142,16 @@ static inline int atomic64_sub_and_test(long i, atomic64_t *v) - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "subq %2,%0; sete %1" -+ asm volatile(LOCK_PREFIX "subq %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "addq %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" - : "=m" (v->counter), "=qm" (c) - : "er" (i), "m" (v->counter) : "memory"); - return c; -@@ -88,6 +165,27 @@ 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)); -@@ -101,7 +199,28 @@ 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)); - } -@@ -118,7 +237,16 @@ static inline int atomic64_dec_and_test(atomic64_t *v) - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "decq %0; sete %1" -+ 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 -+ -+ "sete %1\n" - : "=m" (v->counter), "=qm" (c) - : "m" (v->counter) : "memory"); - return c != 0; -@@ -136,7 +264,16 @@ static inline int atomic64_inc_and_test(atomic64_t *v) - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "incq %0; sete %1" -+ 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 -+ -+ "sete %1\n" - : "=m" (v->counter), "=qm" (c) - : "m" (v->counter) : "memory"); - return c != 0; -@@ -155,7 +292,16 @@ static inline int atomic64_add_negative(long i, atomic64_t *v) - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "addq %2,%0; sets %1" -+ asm volatile(LOCK_PREFIX "addq %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "subq %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sets %1\n" - : "=m" (v->counter), "=qm" (c) - : "er" (i), "m" (v->counter) : "memory"); - return c; -@@ -170,6 +316,18 @@ 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); - } - -@@ -179,6 +337,10 @@ 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) -@@ -186,6 +348,11 @@ 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); -@@ -202,17 +369,30 @@ 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/bitops.h b/arch/x86/include/asm/bitops.h -index 6dfd019..28e188d 100644 ---- a/arch/x86/include/asm/bitops.h -+++ b/arch/x86/include/asm/bitops.h -@@ -40,7 +40,7 @@ - * 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)) - - /** -@@ -486,7 +486,7 @@ static inline int fls(int x) - * at position 64. - */ - #ifdef CONFIG_X86_64 --static __always_inline int fls64(__u64 x) -+static __always_inline long 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/cacheflush.h b/arch/x86/include/asm/cacheflush.h -index 9863ee3..4a1f8e1 100644 ---- a/arch/x86/include/asm/cacheflush.h -+++ b/arch/x86/include/asm/cacheflush.h -@@ -27,7 +27,7 @@ static inline unsigned long get_page_memtype(struct page *pg) - unsigned long pg_flags = pg->flags & _PGMT_MASK; - - if (pg_flags == _PGMT_DEFAULT) -- return -1; -+ return ~0UL; - else if (pg_flags == _PGMT_WC) - return _PAGE_CACHE_WC; - else if (pg_flags == _PGMT_UC_MINUS) -diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h -index 46fc474..b02b0f9 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. -@@ -50,7 +58,7 @@ static inline __wsum csum_partial_copy_from_user(const void __user *src, - int *err_ptr) - { - might_sleep(); -- return csum_partial_copy_generic((__force void *)src, dst, -+ return csum_partial_copy_generic_from_user((__force void *)src, dst, - len, sum, err_ptr, NULL); - } - -@@ -178,7 +186,7 @@ static inline __wsum csum_and_copy_to_user(const void *src, - { - might_sleep(); - if (access_ok(VERIFY_WRITE, dst, len)) -- return csum_partial_copy_generic(src, (__force void *)dst, -+ return csum_partial_copy_generic_to_user(src, (__force void *)dst, - len, sum, NULL, err_ptr); - - if (len) -diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h -index d47786a..ce1b05d 100644 ---- a/arch/x86/include/asm/cmpxchg.h -+++ b/arch/x86/include/asm/cmpxchg.h -@@ -14,8 +14,12 @@ 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 -@@ -67,6 +71,34 @@ extern void __add_wrong_size(void) - __ret; \ - }) - -+#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; \ -+ }) -+ - /* - * 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 +199,9 @@ 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 59c6c40..5e0b22c 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 e99ac27..10d834e 100644 ---- a/arch/x86/include/asm/cpufeature.h -+++ b/arch/x86/include/asm/cpufeature.h -@@ -203,7 +203,7 @@ - #define X86_FEATURE_DECODEASSISTS (8*32+12) /* AMD Decode Assists support */ - #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_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*/ -@@ -211,7 +211,7 @@ - #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 */ -@@ -353,6 +353,7 @@ extern const char * const x86_power_flags[32]; - #undef cpu_has_centaur_mcr - #define cpu_has_centaur_mcr 0 - -+#define cpu_has_pcid boot_cpu_has(X86_FEATURE_PCID) - #endif /* CONFIG_X86_64 */ - - #if __GNUC__ >= 4 -@@ -394,7 +395,7 @@ 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" -diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h -index 8bf1c06..b6ae785 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 nmi_idt_descr; --extern gate_desc nmi_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[256]; -+extern gate_desc nmi_idt_table[256]; - -+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(); - } - - #define _LDT_empty(info) \ -@@ -287,7 +300,7 @@ 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)); - } -@@ -311,7 +324,7 @@ 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; - -@@ -320,7 +333,7 @@ static inline void set_nmi_gate(int gate, void *addr) - } - #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; -@@ -339,7 +352,7 @@ static inline void _set_gate(int gate, unsigned type, void *addr, - * Pentium F0 0F bugfix can have resulted in the mapped - * IDT being write-protected. - */ --static inline void set_intr_gate(unsigned int n, void *addr) -+static inline void set_intr_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0, 0, __KERNEL_CS); -@@ -369,19 +382,19 @@ static inline void alloc_intr_gate(unsigned int n, void *addr) - /* - * 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); -@@ -390,19 +403,31 @@ 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); - } - -+#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 9c999c1..3860cb8 100644 ---- a/arch/x86/include/asm/elf.h -+++ b/arch/x86/include/asm/elf.h -@@ -243,7 +243,25 @@ 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, -@@ -296,16 +314,12 @@ do { \ - - #define ARCH_DLINFO \ - do { \ -- if (vdso_enabled) \ -- NEW_AUX_ENT(AT_SYSINFO_EHDR, \ -- (unsigned long)current->mm->context.vdso); \ -+ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \ - } while (0) - - #define ARCH_DLINFO_X32 \ - do { \ -- if (vdso_enabled) \ -- NEW_AUX_ENT(AT_SYSINFO_EHDR, \ -- (unsigned long)current->mm->context.vdso); \ -+ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \ - } while (0) - - #define AT_SYSINFO 32 -@@ -320,7 +334,7 @@ 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)VDSO32_SYMBOL(VDSO_CURRENT_BASE, vsyscall)) -@@ -336,9 +350,6 @@ extern int x32_setup_additional_pages(struct linux_binprm *bprm, - extern int syscall32_setup_pages(struct linux_binprm *, int exstack); - #define compat_arch_setup_additional_pages syscall32_setup_pages - --extern unsigned long arch_randomize_brk(struct mm_struct *mm); --#define arch_randomize_brk arch_randomize_brk -- - /* - * True on X86_32 or when emulating IA32 on X86_64 - */ -diff --git a/arch/x86/include/asm/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h -index 75ce3f4..882e801 100644 ---- a/arch/x86/include/asm/emergency-restart.h -+++ b/arch/x86/include/asm/emergency-restart.h -@@ -13,6 +13,6 @@ enum reboot_type { - - extern enum reboot_type reboot_type; - --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/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h -index e25cc33..7d3ec01 100644 ---- a/arch/x86/include/asm/fpu-internal.h -+++ b/arch/x86/include/asm/fpu-internal.h -@@ -126,8 +126,11 @@ 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" \ -@@ -136,6 +139,7 @@ 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; \ - }) - -@@ -300,7 +304,7 @@ static inline int restore_fpu_checking(struct task_struct *tsk) - "emms\n\t" /* clear stack tags */ - "fildl %P[addr]", /* set F?P to defined value */ - X86_FEATURE_FXSAVE_LEAK, -- [addr] "m" (tsk->thread.fpu.has_fpu)); -+ [addr] "m" (init_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 be27ba1..04a8801 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(); - -@@ -115,18 +119,20 @@ static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; - -+ pax_open_userland(); - 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" (oldval), "+m" (*uaddr) -+ : "+r" (ret), "=a" (oldval), "+m" (*(u32 __user *)____m(uaddr)) - : "i" (-EFAULT), "r" (newval), "1" (oldval) - : "memory" - ); -+ pax_close_userland(); - - *uval = oldval; - return ret; -diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h -index 1da97ef..9c2ebff 100644 ---- a/arch/x86/include/asm/hw_irq.h -+++ b/arch/x86/include/asm/hw_irq.h -@@ -148,8 +148,8 @@ extern void setup_ioapic_dest(void); - extern void enable_IO_APIC(void); - - /* 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 a203659..9889f1c 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 d8e8eef..1765f78 100644 ---- a/arch/x86/include/asm/io.h -+++ b/arch/x86/include/asm/io.h -@@ -51,12 +51,12 @@ 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") -@@ -184,7 +184,7 @@ 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); - -@@ -194,6 +194,17 @@ 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 bba3cf8..06bc8da 100644 ---- a/arch/x86/include/asm/irqflags.h -+++ b/arch/x86/include/asm/irqflags.h -@@ -141,6 +141,11 @@ static inline notrace unsigned long arch_local_irq_save(void) - sti; \ - sysexit - -+#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 5a6d287..f815789 100644 ---- a/arch/x86/include/asm/kprobes.h -+++ b/arch/x86/include/asm/kprobes.h -@@ -38,13 +38,8 @@ 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 2d89e39..baee879 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)); - } -@@ -54,7 +118,16 @@ static inline int local_sub_and_test(long i, local_t *l) - { - unsigned char c; - -- asm volatile(_ASM_SUB "%2,%0; sete %1" -+ asm volatile(_ASM_SUB "%2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_ADD "%2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" - : "+m" (l->a.counter), "=qm" (c) - : "ir" (i) : "memory"); - return c; -@@ -72,7 +145,16 @@ static inline int local_dec_and_test(local_t *l) - { - unsigned char c; - -- asm volatile(_ASM_DEC "%0; sete %1" -+ 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 -+ -+ "sete %1\n" - : "+m" (l->a.counter), "=qm" (c) - : : "memory"); - return c != 0; -@@ -90,7 +172,16 @@ static inline int local_inc_and_test(local_t *l) - { - unsigned char c; - -- asm volatile(_ASM_INC "%0; sete %1" -+ 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 -+ -+ "sete %1\n" - : "+m" (l->a.counter), "=qm" (c) - : : "memory"); - return c != 0; -@@ -109,7 +200,16 @@ static inline int local_add_negative(long i, local_t *l) - { - unsigned char c; - -- asm volatile(_ASM_ADD "%2,%0; sets %1" -+ asm volatile(_ASM_ADD "%2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_SUB "%2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sets %1\n" - : "+m" (l->a.counter), "=qm" (c) - : "ir" (i) : "memory"); - return c; -@@ -125,6 +225,30 @@ 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"); -@@ -141,6 +265,8 @@ 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 5f55e69..e20bfb1 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 *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 - } mm_context_t; - - #ifdef CONFIG_SMP -diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h -index cdbf367..4c73c9e 100644 ---- a/arch/x86/include/asm/mmu_context.h -+++ b/arch/x86/include/asm/mmu_context.h -@@ -24,6 +24,20 @@ 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_PCID))) { -+ 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); -@@ -34,16 +48,55 @@ 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_PCID)) -+ __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_PCID)) { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ unsigned long descriptor[2]; -+ descriptor[0] = PCID_USER; -+ 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 - - /* stop flush ipis for the previous mm */ - cpumask_clear_cpu(cpu, mm_cpumask(prev)); -@@ -53,9 +106,63 @@ 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_clear_bit(); -+ cpu_clear(cpu, prev->context.cpu_user_cs_mask); -+ smp_mb__after_clear_bit(); -+ cpu_set(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_PCID)) -+ __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_PCID)) { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ unsigned long descriptor[2]; -+ descriptor[0] = PCID_USER; -+ 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 - this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK); - BUG_ON(this_cpu_read(cpu_tlbstate.active_mm) != next); - -@@ -64,11 +171,28 @@ 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); -+#endif -+ - load_LDT_nolock(&next->context); -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (!(__supported_pte_mask & _PAGE_NX)) -+ cpu_set(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 86f9301..b365cda 100644 ---- a/arch/x86/include/asm/nmi.h -+++ b/arch/x86/include/asm/nmi.h -@@ -40,11 +40,11 @@ struct nmiaction { - nmi_handler_t handler; - unsigned long flags; - const char *name; --}; -+} __do_const; - - #define register_nmi_handler(t, fn, fg, n, init...) \ - ({ \ -- static struct nmiaction init fn##_na = { \ -+ static const struct nmiaction init fn##_na = { \ - .handler = (fn), \ - .name = (n), \ - .flags = (fg), \ -@@ -52,7 +52,7 @@ struct nmiaction { - __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 c878924..21f4889 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) -diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h -index 0f1ddee..e2fc3d1 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; - -diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h -index cfdc9ee..3f7b5d6 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 inline int arch_spin_is_locked(struct arch_spinlock *lock) -@@ -926,7 +953,7 @@ 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 \ -@@ -1001,6 +1028,21 @@ extern void default_banner(void); - PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_irq_enable_sysexit), \ - CLBR_NONE, \ - jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_irq_enable_sysexit)) -+ -+#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 0db1fca..52310cc 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; - - - struct pv_lazy_ops { -@@ -98,7 +98,7 @@ 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; - - 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; - - struct pv_irq_ops { - /* -@@ -223,7 +223,7 @@ struct pv_apic_ops { - unsigned long start_eip, - unsigned long start_esp); - #endif --}; -+} __no_const; - - 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 /* PAGETABLE_LEVELS == 4 */ - #endif /* PAGETABLE_LEVELS >= 3 */ - -@@ -324,6 +325,12 @@ 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 -+ - }; - - struct arch_spinlock; -@@ -334,7 +341,7 @@ struct pv_lock_ops { - void (*spin_lock_flags)(struct arch_spinlock *lock, unsigned long flags); - int (*spin_trylock)(struct arch_spinlock *lock); - void (*spin_unlock)(struct arch_spinlock *lock); --}; -+} __no_const; - - /* This contains all the paravirt structures: we get a convenient - * number for each function using the offset which we use to indicate -diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h -index b4389a4..7024269 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)); - } - -@@ -99,12 +106,22 @@ 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 PAGETABLE_LEVELS > 3 -@@ -114,6 +131,12 @@ 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 f2b489c..4f7e2e5 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 4cc9f2b..5fd9226 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 1e67223..92a9585 100644 ---- a/arch/x86/include/asm/pgtable.h -+++ b/arch/x86/include/asm/pgtable.h -@@ -44,6 +44,7 @@ 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 - -@@ -81,12 +82,51 @@ 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); -+ return cr0 ^ X86_CR0_WP; -+} -+ -+static inline unsigned long native_pax_close_kernel(void) -+{ -+ unsigned long cr0; -+ -+ 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; -@@ -147,6 +187,11 @@ 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) -@@ -200,9 +245,29 @@ 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) -@@ -394,6 +459,16 @@ 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/log2.h> - -@@ -529,7 +604,7 @@ 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) -@@ -569,7 +644,7 @@ 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) -@@ -584,7 +659,7 @@ 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) -@@ -607,7 +682,12 @@ 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 -@@ -618,6 +698,23 @@ 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 -+#endif -+ -+#endif -+ - #ifndef __ASSEMBLY__ - - extern int direct_gbpages; -@@ -784,11 +881,24 @@ 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 9ee3221..b979c6b 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); -@@ -48,6 +45,12 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t); - # 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))) + \ -@@ -62,12 +65,17 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t); - /* 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 ed5903b..c7fe163 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 e22c1db..23a625a 100644 ---- a/arch/x86/include/asm/pgtable_64.h -+++ b/arch/x86/include/asm/pgtable_64.h -@@ -16,10 +16,14 @@ - - 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 pgd_t init_level4_pgt[]; -+extern pmd_t level2_ident_pgt[512*2]; -+extern pgd_t init_level4_pgt[512]; - - #define swapper_pg_dir init_level4_pgt - -@@ -61,7 +65,9 @@ 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) -@@ -97,7 +103,9 @@ 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) -@@ -107,6 +115,13 @@ 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 2d88344..4679fc3 100644 ---- a/arch/x86/include/asm/pgtable_64_types.h -+++ b/arch/x86/include/asm/pgtable_64_types.h -@@ -61,6 +61,11 @@ typedef struct { pteval_t pte; } pte_t; - #define MODULES_VADDR _AC(0xffffffffa0000000, UL) - #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 ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) - - #define EARLY_DYNAMIC_PAGE_TABLES 64 - -diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h -index e642300..0ef8f31 100644 ---- a/arch/x86/include/asm/pgtable_types.h -+++ b/arch/x86/include/asm/pgtable_types.h -@@ -16,13 +16,12 @@ - #define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ - #define _PAGE_BIT_PAT 7 /* on 4KB pages */ - #define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ --#define _PAGE_BIT_UNUSED1 9 /* available for programmer */ -+#define _PAGE_BIT_SPECIAL 9 /* special mappings, no associated struct page */ - #define _PAGE_BIT_IOMAP 10 /* flag used to indicate IO mapping */ - #define _PAGE_BIT_HIDDEN 11 /* hidden by kmemcheck */ - #define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ --#define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 --#define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1 --#define _PAGE_BIT_SPLITTING _PAGE_BIT_UNUSED1 /* only valid on a PSE pmd */ -+#define _PAGE_BIT_CPA_TEST _PAGE_BIT_SPECIAL -+#define _PAGE_BIT_SPLITTING _PAGE_BIT_SPECIAL /* only valid on a PSE pmd */ - #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ - - /* If _PAGE_BIT_PRESENT is clear, we use these: */ -@@ -40,7 +39,6 @@ - #define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY) - #define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE) - #define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL) --#define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1) - #define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP) - #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) - #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) -@@ -57,8 +55,10 @@ - - #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) --#else -+#elif defined(CONFIG_KMEMCHECK) - #define _PAGE_NX (_AT(pteval_t, 0)) -+#else -+#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN) - #endif - - #define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE) -@@ -116,6 +116,9 @@ - #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) -@@ -126,7 +129,7 @@ - #define __PAGE_KERNEL_WC (__PAGE_KERNEL | _PAGE_CACHE_WC) - #define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT) - #define __PAGE_KERNEL_UC_MINUS (__PAGE_KERNEL | _PAGE_PCD) --#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_VVAR_NOCACHE (__PAGE_KERNEL_VVAR | _PAGE_PCD | _PAGE_PWT) - #define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) -@@ -188,8 +191,8 @@ - * bits are combined, this will alow user to access the high address mapped - * VDSO in the presence of CONFIG_COMPAT_VDSO - */ --#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ --#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ -+#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 - -@@ -227,7 +230,17 @@ static inline pgdval_t pgd_flags(pgd_t pgd) - { - return native_pgd_val(pgd) & PTE_FLAGS_MASK; - } -+#endif - -+#if PAGETABLE_LEVELS == 3 -+#include <asm-generic/pgtable-nopud.h> -+#endif -+ -+#if PAGETABLE_LEVELS == 2 -+#include <asm-generic/pgtable-nopmd.h> -+#endif -+ -+#ifndef __ASSEMBLY__ - #if PAGETABLE_LEVELS > 3 - typedef struct { pudval_t pud; } pud_t; - -@@ -241,8 +254,6 @@ 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); -@@ -262,8 +273,6 @@ 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); -@@ -303,7 +312,6 @@ 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/processor.h b/arch/x86/include/asm/processor.h -index 22224b3..b3a2f90 100644 ---- a/arch/x86/include/asm/processor.h -+++ b/arch/x86/include/asm/processor.h -@@ -198,9 +198,21 @@ 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_MONGLOBAL 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 -@@ -282,7 +294,7 @@ struct tss_struct { - - } ____cacheline_aligned; - --DECLARE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss); -+extern struct tss_struct init_tss[NR_CPUS]; - - /* - * Save the original ist values for checking stack pointers during debugging -@@ -452,6 +464,7 @@ struct thread_struct { - unsigned short ds; - unsigned short fsindex; - unsigned short gsindex; -+ unsigned short ss; - #endif - #ifdef CONFIG_X86_32 - unsigned long ip; -@@ -552,29 +565,8 @@ static inline void load_sp0(struct tss_struct *tss, - extern unsigned long mmu_cr4_features; - extern u32 *trampoline_cr4_features; - --static inline void set_in_cr4(unsigned long mask) --{ -- unsigned long cr4; -- -- mmu_cr4_features |= mask; -- if (trampoline_cr4_features) -- *trampoline_cr4_features = mmu_cr4_features; -- cr4 = read_cr4(); -- cr4 |= mask; -- write_cr4(cr4); --} -- --static inline void clear_in_cr4(unsigned long mask) --{ -- unsigned long cr4; -- -- mmu_cr4_features &= ~mask; -- if (trampoline_cr4_features) -- *trampoline_cr4_features = mmu_cr4_features; -- cr4 = read_cr4(); -- cr4 &= ~mask; -- write_cr4(cr4); --} -+extern void set_in_cr4(unsigned long mask); -+extern void clear_in_cr4(unsigned long mask); - - typedef struct { - unsigned long seg; -@@ -823,11 +815,18 @@ 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 = sizeof(init_stack) + (long)&init_stack, \ -+ .sp0 = sizeof(init_stack) + (long)&init_stack - 8, \ - .vm86_info = NULL, \ - .sysenter_cs = __KERNEL_CS, \ - .io_bitmap_ptr = NULL, \ -@@ -841,7 +840,7 @@ static inline void spin_lock_prefetch(const void *x) - */ - #define INIT_TSS { \ - .x86_tss = { \ -- .sp0 = sizeof(init_stack) + (long)&init_stack, \ -+ .sp0 = sizeof(init_stack) + (long)&init_stack - 8, \ - .ss0 = __KERNEL_DS, \ - .ss1 = __KERNEL_CS, \ - .io_bitmap_base = INVALID_IO_BITMAP_OFFSET, \ -@@ -852,11 +851,7 @@ static inline void spin_lock_prefetch(const void *x) - extern unsigned long thread_saved_pc(struct task_struct *tsk); - - #define THREAD_SIZE_LONGS (THREAD_SIZE/sizeof(unsigned long)) --#define KSTK_TOP(info) \ --({ \ -- unsigned long *__ptr = (unsigned long *)(info); \ -- (unsigned long)(&__ptr[THREAD_SIZE_LONGS]); \ --}) -+#define KSTK_TOP(info) ((container_of(info, struct task_struct, tinfo))->thread.sp0) - - /* - * The below -8 is to reserve 8 bytes on top of the ring0 stack. -@@ -871,7 +866,7 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); - #define task_pt_regs(task) \ - ({ \ - struct pt_regs *__regs__; \ -- __regs__ = (struct pt_regs *)(KSTK_TOP(task_stack_page(task))-8); \ -+ __regs__ = (struct pt_regs *)((task)->thread.sp0); \ - __regs__ - 1; \ - }) - -@@ -881,13 +876,13 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); - /* - * User space process size. 47bits minus one guard page. - */ --#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) -@@ -898,11 +893,11 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); - #define STACK_TOP_MAX TASK_SIZE_MAX - - #define INIT_THREAD { \ -- .sp0 = (unsigned long)&init_stack + sizeof(init_stack) \ -+ .sp0 = (unsigned long)&init_stack + sizeof(init_stack) - 16 \ - } - - #define INIT_TSS { \ -- .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) \ -+ .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) - 16 \ - } - - /* -@@ -930,6 +925,10 @@ 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 */ -@@ -942,7 +941,8 @@ extern int set_tsc_mode(unsigned int val); - extern u16 amd_get_nb_id(int cpu); - - struct aperfmperf { -- u64 aperf, mperf; -+ u64 aperf __intentional_overflow(0); -+ u64 mperf __intentional_overflow(0); - }; - - static inline void get_aperfmperf(struct aperfmperf *am) -@@ -970,7 +970,7 @@ unsigned long calc_aperfmperf_ratio(struct aperfmperf *old, - return ratio; - } - --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); -@@ -980,6 +980,6 @@ 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; - - #endif /* _ASM_X86_PROCESSOR_H */ -diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h -index 942a086..6c26446 100644 ---- a/arch/x86/include/asm/ptrace.h -+++ b/arch/x86/include/asm/ptrace.h -@@ -85,28 +85,29 @@ static inline unsigned long regs_return_value(struct pt_regs *regs) - } - - /* -- * user_mode_vm(regs) determines whether a register set came from user mode. -+ * user_mode(regs) determines whether a register set came from user mode. - * This is true if V8086 mode was enabled OR if the register set was from - * protected mode with RPL-3 CS value. This tricky test checks that with - * one comparison. Many places in the kernel can bypass this full check -- * if they have already ruled out V8086 mode, so user_mode(regs) can be used. -+ * if they have already ruled out V8086 mode, so user_mode_novm(regs) can -+ * be used. - */ --static inline int user_mode(struct pt_regs *regs) -+static inline int user_mode_novm(struct pt_regs *regs) - { - #ifdef CONFIG_X86_32 - return (regs->cs & SEGMENT_RPL_MASK) == USER_RPL; - #else -- return !!(regs->cs & 3); -+ return !!(regs->cs & SEGMENT_RPL_MASK); - #endif - } - --static inline int user_mode_vm(struct pt_regs *regs) -+static inline int user_mode(struct pt_regs *regs) - { - #ifdef CONFIG_X86_32 - return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >= - USER_RPL; - #else -- return user_mode(regs); -+ return user_mode_novm(regs); - #endif - } - -@@ -122,15 +123,16 @@ 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 - } - -@@ -181,9 +183,11 @@ 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/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/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 c48a950..bc40804 100644 ---- a/arch/x86/include/asm/segment.h -+++ b/arch/x86/include/asm/segment.h -@@ -64,10 +64,15 @@ - * 26 - ESPFIX small SS - * 27 - per-cpu [ offset to per-cpu data area ] - * 28 - stack_canary-20 [ for stack protector ] -- * 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) - -@@ -79,6 +84,8 @@ - - #define GDT_ENTRY_KERNEL_CS (GDT_ENTRY_KERNEL_BASE+0) - -+#define GDT_ENTRY_KERNEXEC_KERNEL_CS (4) -+ - #define GDT_ENTRY_KERNEL_DS (GDT_ENTRY_KERNEL_BASE+1) - - #define GDT_ENTRY_TSS (GDT_ENTRY_KERNEL_BASE+4) -@@ -104,6 +111,12 @@ - #define __KERNEL_STACK_CANARY 0 - #endif - -+#define GDT_ENTRY_PCIBIOS_CS (GDT_ENTRY_KERNEL_BASE+17) -+#define __PCIBIOS_CS (GDT_ENTRY_PCIBIOS_CS * 8) -+ -+#define GDT_ENTRY_PCIBIOS_DS (GDT_ENTRY_KERNEL_BASE+18) -+#define __PCIBIOS_DS (GDT_ENTRY_PCIBIOS_DS * 8) -+ - #define GDT_ENTRY_DOUBLEFAULT_TSS 31 - - /* -@@ -141,7 +154,7 @@ - */ - - /* Matches PNP_CS32 and PNP_CS16 (they must be consecutive) */ --#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == GDT_ENTRY_PNPBIOS_BASE * 8) -+#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xFFFCU) == PNP_CS32 || ((x) & 0xFFFCU) == PNP_CS16) - - - #else -@@ -165,6 +178,8 @@ - #define __USER32_CS (GDT_ENTRY_DEFAULT_USER32_CS*8+3) - #define __USER32_DS __USER_DS - -+#define GDT_ENTRY_KERNEXEC_KERNEL_CS 7 -+ - #define GDT_ENTRY_TSS 8 /* needs two entries */ - #define GDT_ENTRY_LDT 10 /* needs two entries */ - #define GDT_ENTRY_TLS_MIN 12 -@@ -173,6 +188,8 @@ - #define GDT_ENTRY_PER_CPU 15 /* Abused to load per CPU data from limit */ - #define __PER_CPU_SEG (GDT_ENTRY_PER_CPU * 8 + 3) - -+#define GDT_ENTRY_UDEREF_KERNEL_DS 16 -+ - /* TLS indexes for 64bit - hardcoded in arch_prctl */ - #define FS_TLS 0 - #define GS_TLS 1 -@@ -180,12 +197,14 @@ - #define GS_TLS_SEL ((GDT_ENTRY_TLS_MIN+GS_TLS)*8 + 3) - #define FS_TLS_SEL ((GDT_ENTRY_TLS_MIN+FS_TLS)*8 + 3) - --#define GDT_ENTRIES 16 -+#define GDT_ENTRIES 17 - - #endif - - #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 __USER_DS (GDT_ENTRY_DEFAULT_USER_DS*8+3) - #define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS*8+3) - #ifndef CONFIG_PARAVIRT -@@ -265,7 +284,7 @@ static inline unsigned long get_limit(unsigned long segment) - { - unsigned long __limit; - asm("lsll %1,%0" : "=r" (__limit) : "r" (segment)); -- return __limit + 1; -+ return __limit; - } - - #endif /* !__ASSEMBLY__ */ -diff --git a/arch/x86/include/asm/smap.h b/arch/x86/include/asm/smap.h -index 8d3120f..352b440 100644 ---- a/arch/x86/include/asm/smap.h -+++ b/arch/x86/include/asm/smap.h -@@ -25,11 +25,40 @@ - - #include <asm/alternative-asm.h> - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define ASM_PAX_OPEN_USERLAND \ -+ 661: jmp 663f; \ -+ .pushsection .altinstr_replacement, "a" ; \ -+ 662: pushq %rax; nop; \ -+ .popsection ; \ -+ .pushsection .altinstructions, "a" ; \ -+ altinstruction_entry 661b, 662b, X86_FEATURE_STRONGUDEREF, 2, 2;\ -+ .popsection ; \ -+ call __pax_open_userland; \ -+ popq %rax; \ -+ 663: -+ -+#define ASM_PAX_CLOSE_USERLAND \ -+ 661: jmp 663f; \ -+ .pushsection .altinstr_replacement, "a" ; \ -+ 662: pushq %rax; nop; \ -+ .popsection; \ -+ .pushsection .altinstructions, "a" ; \ -+ altinstruction_entry 661b, 662b, X86_FEATURE_STRONGUDEREF, 2, 2;\ -+ .popsection; \ -+ call __pax_close_userland; \ -+ popq %rax; \ -+ 663: -+#else -+#define ASM_PAX_OPEN_USERLAND -+#define ASM_PAX_CLOSE_USERLAND -+#endif -+ - #ifdef CONFIG_X86_SMAP - - #define ASM_CLAC \ - 661: ASM_NOP3 ; \ -- .pushsection .altinstr_replacement, "ax" ; \ -+ .pushsection .altinstr_replacement, "a" ; \ - 662: __ASM_CLAC ; \ - .popsection ; \ - .pushsection .altinstructions, "a" ; \ -@@ -38,7 +67,7 @@ - - #define ASM_STAC \ - 661: ASM_NOP3 ; \ -- .pushsection .altinstr_replacement, "ax" ; \ -+ .pushsection .altinstr_replacement, "a" ; \ - 662: __ASM_STAC ; \ - .popsection ; \ - .pushsection .altinstructions, "a" ; \ -@@ -56,6 +85,37 @@ - - #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(ASM_NOP5, "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(ASM_NOP5, "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 b073aae..39f9bdd 100644 ---- a/arch/x86/include/asm/smp.h -+++ b/arch/x86/include/asm/smp.h -@@ -36,7 +36,7 @@ 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) - { -@@ -79,7 +79,7 @@ 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); -@@ -191,14 +191,8 @@ extern unsigned disabled_cpus __cpuinitdata; - 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/spinlock.h b/arch/x86/include/asm/spinlock.h -index 33692ea..350a534 100644 ---- a/arch/x86/include/asm/spinlock.h -+++ b/arch/x86/include/asm/spinlock.h -@@ -172,6 +172,14 @@ static inline int arch_write_can_lock(arch_rwlock_t *lock) - static inline void arch_read_lock(arch_rwlock_t *rw) - { - asm volatile(LOCK_PREFIX READ_LOCK_SIZE(dec) " (%0)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX READ_LOCK_SIZE(inc) " (%0)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - "jns 1f\n" - "call __read_lock_failed\n\t" - "1:\n" -@@ -181,6 +189,14 @@ static inline void arch_read_lock(arch_rwlock_t *rw) - static inline void arch_write_lock(arch_rwlock_t *rw) - { - asm volatile(LOCK_PREFIX WRITE_LOCK_SUB(%1) "(%0)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX WRITE_LOCK_ADD(%1) "(%0)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - "jz 1f\n" - "call __write_lock_failed\n\t" - "1:\n" -@@ -210,13 +226,29 @@ static inline int arch_write_trylock(arch_rwlock_t *lock) - - static inline void arch_read_unlock(arch_rwlock_t *rw) - { -- asm volatile(LOCK_PREFIX READ_LOCK_SIZE(inc) " %0" -+ asm volatile(LOCK_PREFIX READ_LOCK_SIZE(inc) " %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX READ_LOCK_SIZE(dec) " %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - :"+m" (rw->lock) : : "memory"); - } - - static inline void arch_write_unlock(arch_rwlock_t *rw) - { -- asm volatile(LOCK_PREFIX WRITE_LOCK_ADD(%1) "%0" -+ asm volatile(LOCK_PREFIX WRITE_LOCK_ADD(%1) "%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX WRITE_LOCK_SUB(%1) "%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - : "+m" (rw->write) : "i" (RW_LOCK_BIAS) : "memory"); - } - -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 4ec45b3..a4f0a8a 100644 ---- a/arch/x86/include/asm/switch_to.h -+++ b/arch/x86/include/asm/switch_to.h -@@ -108,7 +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" \ -@@ -119,7 +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 a1df6e8..e002940 100644 ---- a/arch/x86/include/asm/thread_info.h -+++ b/arch/x86/include/asm/thread_info.h -@@ -10,6 +10,7 @@ - #include <linux/compiler.h> - #include <asm/page.h> - #include <asm/types.h> -+#include <asm/percpu.h> - - /* - * low level task data that entry.S needs immediate access to -@@ -23,7 +24,6 @@ struct exec_domain; - #include <linux/atomic.h> - - struct thread_info { -- struct task_struct *task; /* main task structure */ - struct exec_domain *exec_domain; /* execution domain */ - __u32 flags; /* low level flags */ - __u32 status; /* thread synchronous flags */ -@@ -33,19 +33,13 @@ struct thread_info { - mm_segment_t addr_limit; - struct restart_block restart_block; - void __user *sysenter_return; --#ifdef CONFIG_X86_32 -- unsigned long previous_esp; /* ESP of the previous stack in -- case of nested (IRQ) stacks -- */ -- __u8 supervisor_stack[0]; --#endif -+ 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, \ - .exec_domain = &default_exec_domain, \ - .flags = 0, \ - .cpu = 0, \ -@@ -56,7 +50,7 @@ struct thread_info { - }, \ - } - --#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__ */ -@@ -97,6 +91,7 @@ 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) -@@ -121,17 +116,18 @@ 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 \ -@@ -142,7 +138,7 @@ 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 \ -@@ -158,45 +154,40 @@ struct thread_info { - - #define PREEMPT_ACTIVE 0x10000000 - --#ifdef CONFIG_X86_32 -- --#define STACK_WARN (THREAD_SIZE/8) --/* -- * macros/functions for gaining access to the thread information structure -- * -- * preempt_count needs to be 1 initially, until the scheduler is functional. -- */ --#ifndef __ASSEMBLY__ -- -- --/* how to get the current stack pointer from C */ --register unsigned long current_stack_pointer asm("esp") __used; -- --/* how to get the thread information struct from C */ --static inline struct thread_info *current_thread_info(void) --{ -- return (struct thread_info *) -- (current_stack_pointer & ~(THREAD_SIZE - 1)); --} -- --#else /* !__ASSEMBLY__ */ -- -+#ifdef __ASSEMBLY__ - /* how to get the thread information struct from ASM */ - #define GET_THREAD_INFO(reg) \ -- movl $-THREAD_SIZE, reg; \ -- andl %esp, reg -+ mov PER_CPU_VAR(current_tinfo), reg - - /* use this one if reg already contains %esp */ --#define GET_THREAD_INFO_WITH_ESP(reg) \ -- andl $-THREAD_SIZE, reg -+#define GET_THREAD_INFO_WITH_ESP(reg) GET_THREAD_INFO(reg) -+#else -+/* how to get the thread information struct from C */ -+DECLARE_PER_CPU(struct thread_info *, current_tinfo); -+ -+static __always_inline struct thread_info *current_thread_info(void) -+{ -+ return this_cpu_read_stable(current_tinfo); -+} -+#endif -+ -+#ifdef CONFIG_X86_32 -+ -+#define STACK_WARN (THREAD_SIZE/8) -+/* -+ * macros/functions for gaining access to the thread information structure -+ * -+ * preempt_count needs to be 1 initially, until the scheduler is functional. -+ */ -+#ifndef __ASSEMBLY__ -+ -+/* how to get the current stack pointer from C */ -+register unsigned long current_stack_pointer asm("esp") __used; - - #endif - - #else /* X86_32 */ - --#include <asm/percpu.h> --#define KERNEL_STACK_OFFSET (5*8) -- - /* - * macros/functions for gaining access to the thread information structure - * preempt_count needs to be 1 initially, until the scheduler is functional. -@@ -204,27 +195,8 @@ static inline struct thread_info *current_thread_info(void) - #ifndef __ASSEMBLY__ - DECLARE_PER_CPU(unsigned long, kernel_stack); - --static inline struct thread_info *current_thread_info(void) --{ -- struct thread_info *ti; -- ti = (void *)(this_cpu_read_stable(kernel_stack) + -- KERNEL_STACK_OFFSET - THREAD_SIZE); -- return ti; --} -- --#else /* !__ASSEMBLY__ */ -- --/* how to get the thread information struct from ASM */ --#define GET_THREAD_INFO(reg) \ -- movq PER_CPU_VAR(kernel_stack),reg ; \ -- subq $(THREAD_SIZE-KERNEL_STACK_OFFSET),reg -- --/* -- * Same if PER_CPU_VAR(kernel_stack) is, perhaps with some offset, already in -- * a certain register (to be used in assembler memory operands). -- */ --#define THREAD_INFO(reg, off) KERNEL_STACK_OFFSET+(off)-THREAD_SIZE(reg) -- -+/* how to get the current stack pointer from C */ -+register unsigned long current_stack_pointer asm("rsp") __used; - #endif - - #endif /* !X86_32 */ -@@ -283,5 +255,12 @@ 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 50a7fc0..45844c0 100644 ---- a/arch/x86/include/asm/tlbflush.h -+++ b/arch/x86/include/asm/tlbflush.h -@@ -17,18 +17,44 @@ - - static inline void __native_flush_tlb(void) - { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ unsigned long descriptor[2]; -+ -+ descriptor[0] = PCID_KERNEL; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_ALL_MONGLOBAL) : "memory"); -+ return; -+ } -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCID)) { -+ 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)) { -+ unsigned long descriptor[2]; - -- cr4 = native_read_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 = native_read_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) -@@ -49,6 +75,42 @@ 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)) { -+ unsigned long 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_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_PCID)) { -+ 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 5ee2687..74590b9 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/sched.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) - -@@ -77,8 +83,33 @@ - * 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()) == 0)) -+#define __access_ok(type, addr, size) (likely(__range_not_ok(addr, size, user_addr_max()) == 0)) -+#define access_ok(type, addr, size) \ -+({ \ -+ long __size = size; \ -+ unsigned long __addr = (unsigned long)addr; \ -+ unsigned long __addr_ao = __addr & PAGE_MASK; \ -+ unsigned long __end_ao = __addr + __size - 1; \ -+ bool __ret_ao = __range_not_ok(__addr, __size, user_addr_max()) == 0;\ -+ if (__ret_ao && 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 -@@ -165,10 +196,12 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) - register __inttype(*(ptr)) __val_gu asm("%edx"); \ - __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) = (__typeof__(*(ptr))) __val_gu; \ -+ pax_close_userland(); \ - __ret_gu; \ - }) - -@@ -176,13 +209,21 @@ __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" \ -@@ -195,8 +236,8 @@ __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) \ -@@ -246,7 +287,8 @@ 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); \ -@@ -264,6 +306,7 @@ extern void __put_user_8(void); - __put_user_x(X, __pu_val, ptr, __ret_pu); \ - break; \ - } \ -+ pax_close_userland(); \ - __ret_pu; \ - }) - -@@ -344,8 +387,10 @@ 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" \ -@@ -353,8 +398,10 @@ 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 { \ -@@ -378,7 +425,7 @@ 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))) -@@ -395,13 +442,24 @@ 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 -@@ -409,8 +467,10 @@ 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" \ -@@ -418,10 +478,12 @@ 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))) -@@ -431,11 +493,13 @@ 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) - -@@ -460,8 +524,12 @@ 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. -@@ -483,8 +551,12 @@ 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 -@@ -502,7 +574,7 @@ 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 -@@ -519,8 +591,8 @@ strncpy_from_user(char *dst, const char __user *src, long count); - 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); -+unsigned long __must_check __clear_user(void __user *mem, unsigned long len) __size_overflow(2); - - /* - * movsl can be slow when source and dest are not both 8-byte aligned -diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h -index 7f760a9..04b1c65 100644 ---- a/arch/x86/include/asm/uaccess_32.h -+++ b/arch/x86/include/asm/uaccess_32.h -@@ -11,15 +11,15 @@ - #include <asm/page.h> - - unsigned long __must_check __copy_to_user_ll -- (void __user *to, const void *from, unsigned long n); -+ (void __user *to, const void *from, unsigned long n) __size_overflow(3); - unsigned long __must_check __copy_from_user_ll -- (void *to, const void __user *from, unsigned long n); -+ (void *to, const void __user *from, unsigned long n) __size_overflow(3); - unsigned long __must_check __copy_from_user_ll_nozero -- (void *to, const void __user *from, unsigned long n); -+ (void *to, const void __user *from, unsigned long n) __size_overflow(3); - unsigned long __must_check __copy_from_user_ll_nocache -- (void *to, const void __user *from, unsigned long n); -+ (void *to, const void __user *from, unsigned long n) __size_overflow(3); - unsigned long __must_check __copy_from_user_ll_nocache_nozero -- (void *to, const void __user *from, unsigned long n); -+ (void *to, const void __user *from, unsigned long n) __size_overflow(3); - - /** - * __copy_to_user_inatomic: - Copy a block of data into user space, with less checking. -@@ -43,6 +43,11 @@ unsigned long __must_check __copy_from_user_ll_nocache_nozero - static __always_inline 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 - __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; - -@@ -181,15 +200,19 @@ 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); - } - --unsigned long __must_check copy_to_user(void __user *to, -- const void *from, unsigned long n); --unsigned long __must_check _copy_from_user(void *to, -- const void __user *from, -- unsigned long n); -- -+extern void copy_to_user_overflow(void) -+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS -+ __compiletime_error("copy_to_user() buffer size is not provably correct") -+#else -+ __compiletime_warning("copy_to_user() buffer size is not provably correct") -+#endif -+; - - extern void copy_from_user_overflow(void) - #ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS -@@ -199,17 +222,60 @@ extern void copy_from_user_overflow(void) - #endif - ; - --static inline unsigned long __must_check copy_from_user(void *to, -- const void __user *from, -- unsigned long n) -+/** -+ * 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. -+ */ -+static inline unsigned long __must_check -+copy_to_user(void __user *to, const void *from, unsigned long n) - { -- int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(from); - -- if (likely(sz == -1 || sz >= n)) -- n = _copy_from_user(to, from, n); -- else -+ if (unlikely(sz != (size_t)-1 && sz < n)) -+ copy_to_user_overflow(); -+ else if (access_ok(VERIFY_WRITE, to, n)) -+ n = __copy_to_user(to, from, n); -+ return n; -+} -+ -+/** -+ * 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. -+ */ -+static inline unsigned long __must_check -+copy_from_user(void *to, const void __user *from, unsigned long n) -+{ -+ size_t sz = __compiletime_object_size(to); -+ -+ check_object_size(to, n, false); -+ -+ if (unlikely(sz != (size_t)-1 && sz < n)) - copy_from_user_overflow(); -- -+ 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; - } - -diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h -index 142810c..1dbe82f 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 -@@ -17,13 +20,13 @@ - - /* Handles exceptions in both to and from, but doesn't do access_ok */ - __must_check unsigned long --copy_user_enhanced_fast_string(void *to, const void *from, unsigned len); -+copy_user_enhanced_fast_string(void *to, const void *from, unsigned len) __size_overflow(3); - __must_check unsigned long --copy_user_generic_string(void *to, const void *from, unsigned len); -+copy_user_generic_string(void *to, const void *from, unsigned len) __size_overflow(3); - __must_check unsigned long --copy_user_generic_unrolled(void *to, const void *from, unsigned len); -+copy_user_generic_unrolled(void *to, const void *from, unsigned len) __size_overflow(3); - --static __always_inline __must_check unsigned long -+static __always_inline __must_check __size_overflow(3) unsigned long - copy_user_generic(void *to, const void *from, unsigned len) - { - unsigned ret; -@@ -41,142 +44,204 @@ copy_user_generic(void *to, const void *from, unsigned len) - ASM_OUTPUT2("=a" (ret), "=D" (to), "=S" (from), - "=d" (len)), - "1" (to), "2" (from), "3" (len) -- : "memory", "rcx", "r8", "r9", "r10", "r11"); -+ : "memory", "rcx", "r8", "r9", "r11"); - return ret; - } - -+static __always_inline __must_check unsigned long -+__copy_to_user(void __user *to, const void *from, unsigned long len); -+static __always_inline __must_check unsigned long -+__copy_from_user(void *to, const void __user *from, unsigned long len); - __must_check unsigned long --_copy_to_user(void __user *to, const void *from, unsigned len); --__must_check unsigned long --_copy_from_user(void *to, const void __user *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); -+ -+extern void copy_to_user_overflow(void) -+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS -+ __compiletime_error("copy_to_user() buffer size is not provably correct") -+#else -+ __compiletime_warning("copy_to_user() buffer size is not provably correct") -+#endif -+; -+ -+extern void copy_from_user_overflow(void) -+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS -+ __compiletime_error("copy_from_user() buffer size is not provably correct") -+#else -+ __compiletime_warning("copy_from_user() buffer size is not provably correct") -+#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); -- - might_fault(); -- if (likely(sz == -1 || sz >= n)) -- n = _copy_from_user(to, from, n); --#ifdef CONFIG_DEBUG_VM -- else -- WARN(1, "Buffer overflow detected!\n"); --#endif -+ -+ check_object_size(to, n, false); -+ -+ if (access_ok(VERIFY_READ, from, n)) -+ n = __copy_from_user(to, from, n); -+ else if (n < INT_MAX) -+ memset(to, 0, n); - return n; - } - - static __always_inline __must_check --int copy_to_user(void __user *dst, const void *src, unsigned size) -+int copy_to_user(void __user *dst, const void *src, unsigned long size) - { - might_fault(); - -- return _copy_to_user(dst, src, size); -+ if (access_ok(VERIFY_WRITE, dst, size)) -+ size = __copy_to_user(dst, src, size); -+ return 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) - { -- int ret = 0; -+ size_t sz = __compiletime_object_size(dst); -+ unsigned ret = 0; - - might_fault(); -+ -+ if (size > INT_MAX) -+ return size; -+ -+ check_object_size(dst, size, false); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_READ, src, size)) -+ return size; -+#endif -+ -+ if (unlikely(sz != (size_t)-1 && sz < size)) { -+ copy_from_user_overflow(); -+ 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_to_user(void __user *dst, const void *src, unsigned size) -+unsigned long __copy_to_user(void __user *dst, const void *src, unsigned long size) - { -- int ret = 0; -+ size_t sz = __compiletime_object_size(src); -+ unsigned ret = 0; - - might_fault(); -+ -+ if (size > INT_MAX) -+ return size; -+ -+ check_object_size(src, size, true); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_WRITE, dst, size)) -+ return size; -+#endif -+ -+ if (unlikely(sz != (size_t)-1 && sz < size)) { -+ copy_to_user_overflow(); -+ 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_in_user(void __user *dst, const void __user *src, unsigned size) -+unsigned long __copy_in_user(void __user *dst, const void __user *src, unsigned long size) - { -- int ret = 0; -+ unsigned ret = 0; - - might_fault(); -+ -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_READ, src, size)) -+ return size; -+ if (!__access_ok(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, -@@ -185,7 +250,7 @@ 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, -@@ -195,7 +260,7 @@ 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, -@@ -204,7 +269,7 @@ 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, -@@ -212,41 +277,72 @@ 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_user_generic(dst, (__force const void *)src, size); -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_READ, src, size)) -+ return size; -+#endif -+ -+ return copy_user_generic(dst, (__force_kernel const void *)____m(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_user_generic((__force void *)dst, src, size); -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_WRITE, dst, size)) -+ return size; -+#endif -+ -+ return copy_user_generic((__force_kernel void *)____m(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) __size_overflow(3); - --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_sleep(); -+ -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_READ, src, size)) -+ return size; -+#endif -+ - return __copy_user_nocache(dst, src, size, 1); - } - --static inline int --__copy_from_user_inatomic_nocache(void *dst, const void __user *src, -- unsigned size) -+static inline unsigned long __copy_from_user_inatomic_nocache(void *dst, const void __user *src, -+ unsigned long size) - { -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(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, unsigned zerorest); -+extern unsigned long -+copy_user_handle_tail(char __user *to, char __user *from, unsigned long len, unsigned zerorest) __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 d8d9922..bf6cecb 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 x86_platform_ops - platform specific runtime functions -@@ -166,7 +166,7 @@ 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; -@@ -180,7 +180,7 @@ struct x86_msi_ops { - void (*teardown_msi_irqs)(struct pci_dev *dev); - void (*restore_msi_irqs)(struct pci_dev *dev, int irq); - int (*setup_hpet_msi)(unsigned int irq, unsigned int id); --}; -+} __no_const; - - struct IO_APIC_route_entry; - struct io_apic_irq_attr; -@@ -201,7 +201,7 @@ 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/xsave.h b/arch/x86/include/asm/xsave.h -index 0415cda..3b22adc 100644 ---- a/arch/x86/include/asm/xsave.h -+++ b/arch/x86/include/asm/xsave.h -@@ -70,8 +70,11 @@ static inline int xsave_user(struct xsave_struct __user *buf) - if (unlikely(err)) - return -EFAULT; - -+ pax_open_userland(); - __asm__ __volatile__(ASM_STAC "\n" -- "1: .byte " REX_PREFIX "0x0f,0xae,0x27\n" -+ "1:" -+ __copyuser_seg -+ ".byte " REX_PREFIX "0x0f,0xae,0x27\n" - "2: " ASM_CLAC "\n" - ".section .fixup,"ax"\n" - "3: movl $-1,%[err]\n" -@@ -81,18 +84,22 @@ static inline int xsave_user(struct xsave_struct __user *buf) - : [err] "=r" (err) - : "D" (buf), "a" (-1), "d" (-1), "0" (0) - : "memory"); -+ pax_close_userland(); - return err; - } - - static inline int xrestore_user(struct xsave_struct __user *buf, u64 mask) - { - int err; -- 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: .byte " REX_PREFIX "0x0f,0xae,0x2f\n" -+ "1:" -+ __copyuser_seg -+ ".byte " REX_PREFIX "0x0f,0xae,0x2f\n" - "2: " ASM_CLAC "\n" - ".section .fixup,"ax"\n" - "3: movl $-1,%[err]\n" -@@ -102,6 +109,7 @@ static inline int xrestore_user(struct xsave_struct __user *buf, u64 mask) - : [err] "=r" (err) - : "D" (xstate), "a" (lmask), "d" (hmask), "0" (0) - : "memory"); /* memory required? */ -+ pax_close_userland(); - return err; - } - -diff --git a/arch/x86/include/uapi/asm/e820.h b/arch/x86/include/uapi/asm/e820.h -index bbae024..e1528f9 100644 ---- a/arch/x86/include/uapi/asm/e820.h -+++ b/arch/x86/include/uapi/asm/e820.h -@@ -63,7 +63,7 @@ struct e820map { - #define ISA_START_ADDRESS 0xa0000 - #define ISA_END_ADDRESS 0x100000 - --#define BIOS_BEGIN 0x000a0000 -+#define BIOS_BEGIN 0x000c0000 - #define BIOS_END 0x00100000 - - #define BIOS_ROM_BASE 0xffe00000 -diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile -index 7bd3bd3..5dac791 100644 ---- a/arch/x86/kernel/Makefile -+++ b/arch/x86/kernel/Makefile -@@ -22,7 +22,7 @@ obj-y += time.o ioport.o ldt.o dumpstack.o nmi.o - obj-y += setup.o x86_init.o i8259.o irqinit.o jump_label.o - obj-$(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-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o - obj-y += syscall_$(BITS).o - obj-$(CONFIG_X86_64) += vsyscall_64.o -diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c -index 230c8ea..f915130 100644 ---- a/arch/x86/kernel/acpi/boot.c -+++ b/arch/x86/kernel/acpi/boot.c -@@ -1361,7 +1361,7 @@ static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d) - * If your system is blacklisted here, but you find that acpi=force - * works for you, please contact linux-acpi@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 ec94e11..7fbbec0 100644 ---- a/arch/x86/kernel/acpi/sleep.c -+++ b/arch/x86/kernel/acpi/sleep.c -@@ -88,8 +88,12 @@ int 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 d1daa66..59fecba 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 c15cf9a..0e63558 100644 ---- a/arch/x86/kernel/alternative.c -+++ b/arch/x86/kernel/alternative.c -@@ -268,6 +268,13 @@ void __init_or_module apply_alternatives(struct alt_instr *start, - */ - for (a = start; a < end; a++) { - instr = (u8 *)&a->instr_offset + a->instr_offset; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ instr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ if (instr < (u8 *)_text || (u8 *)_einittext <= instr) -+ instr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - replacement = (u8 *)&a->repl_offset + a->repl_offset; - BUG_ON(a->replacementlen > a->instrlen); - BUG_ON(a->instrlen > sizeof(insnbuf)); -@@ -299,10 +306,16 @@ 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); -@@ -317,10 +330,16 @@ 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); -@@ -468,7 +487,7 @@ 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); - -@@ -515,7 +534,7 @@ 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); -@@ -535,13 +554,17 @@ 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. */ -@@ -563,36 +586,22 @@ void *__init_or_module text_poke_early(void *addr, const void *opcode, - */ - void *__kprobes 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; - } - -diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c -index 904611b..004dde6 100644 ---- a/arch/x86/kernel/apic/apic.c -+++ b/arch/x86/kernel/apic/apic.c -@@ -189,7 +189,7 @@ int first_system_vector = 0xfe; - /* - * Debug level, exported for io_apic.c - */ --unsigned int apic_verbosity; -+int apic_verbosity; - - int pic_mode; - -@@ -1955,7 +1955,7 @@ void smp_error_interrupt(struct pt_regs *regs) - apic_write(APIC_ESR, 0); - v1 = 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(%02x)", - smp_processor_id(), v0 , v1); -diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c -index 00c77cf..2dc6a2d 100644 ---- a/arch/x86/kernel/apic/apic_flat_64.c -+++ b/arch/x86/kernel/apic/apic_flat_64.c -@@ -157,7 +157,7 @@ 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, -@@ -271,7 +271,7 @@ 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 e145f28..2752888 100644 ---- a/arch/x86/kernel/apic/apic_noop.c -+++ b/arch/x86/kernel/apic/apic_noop.c -@@ -119,7 +119,7 @@ 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 d50e364..543bee3 100644 ---- a/arch/x86/kernel/apic/bigsmp_32.c -+++ b/arch/x86/kernel/apic/bigsmp_32.c -@@ -152,7 +152,7 @@ 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/es7000_32.c b/arch/x86/kernel/apic/es7000_32.c -index 0874799..a7a7892 100644 ---- a/arch/x86/kernel/apic/es7000_32.c -+++ b/arch/x86/kernel/apic/es7000_32.c -@@ -608,8 +608,7 @@ static int es7000_mps_oem_check_cluster(struct mpc_table *mpc, char *oem, - return ret && es7000_apic_is_cluster(); - } - --/* We've been warned by a false positive warning.Use __refdata to keep calm. */ --static struct apic __refdata apic_es7000_cluster = { -+static struct apic apic_es7000_cluster __read_only = { - - .name = "es7000", - .probe = probe_es7000, -@@ -675,7 +674,7 @@ static struct apic __refdata apic_es7000_cluster = { - .x86_32_early_logical_apicid = es7000_early_logical_apicid, - }; - --static struct apic __refdata apic_es7000 = { -+static struct apic apic_es7000 __read_only = { - - .name = "es7000", - .probe = probe_es7000, -diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c -index 9ed796c..e930fe4 100644 ---- a/arch/x86/kernel/apic/io_apic.c -+++ b/arch/x86/kernel/apic/io_apic.c -@@ -1060,7 +1060,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, int slot, int pin, - } - EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector); - --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. -@@ -1068,7 +1068,7 @@ 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); - } -@@ -2362,7 +2362,7 @@ static void ack_apic_edge(struct irq_data *data) - ack_APIC_irq(); - } - --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) -@@ -2503,7 +2503,7 @@ static void ack_apic_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); - } -diff --git a/arch/x86/kernel/apic/numaq_32.c b/arch/x86/kernel/apic/numaq_32.c -index d661ee9..791fd33 100644 ---- a/arch/x86/kernel/apic/numaq_32.c -+++ b/arch/x86/kernel/apic/numaq_32.c -@@ -455,8 +455,7 @@ static void numaq_setup_portio_remap(void) - (u_long) xquad_portio, (u_long) num_quads*XQUAD_PORTIO_QUAD); - } - --/* Use __refdata to keep false positive warning calm. */ --static struct apic __refdata apic_numaq = { -+static struct apic apic_numaq __read_only = { - - .name = "NUMAQ", - .probe = probe_numaq, -diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c -index eb35ef9..f184a21 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/summit_32.c b/arch/x86/kernel/apic/summit_32.c -index 77c95c0..434f8a4 100644 ---- a/arch/x86/kernel/apic/summit_32.c -+++ b/arch/x86/kernel/apic/summit_32.c -@@ -486,7 +486,7 @@ void setup_summit(void) - } - #endif - --static struct apic apic_summit = { -+static struct apic apic_summit __read_only = { - - .name = "summit", - .probe = probe_summit, -diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c -index c88baa4..757aee1 100644 ---- a/arch/x86/kernel/apic/x2apic_cluster.c -+++ b/arch/x86/kernel/apic/x2apic_cluster.c -@@ -183,7 +183,7 @@ 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, - }; - -@@ -235,7 +235,7 @@ 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 562a76d..a003c0f 100644 ---- a/arch/x86/kernel/apic/x2apic_phys.c -+++ b/arch/x86/kernel/apic/x2apic_phys.c -@@ -89,7 +89,7 @@ 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 794f6eb..67e1db2 100644 ---- a/arch/x86/kernel/apic/x2apic_uv_x.c -+++ b/arch/x86/kernel/apic/x2apic_uv_x.c -@@ -342,7 +342,7 @@ 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 53a4e27..038760a 100644 ---- a/arch/x86/kernel/apm_32.c -+++ b/arch/x86/kernel/apm_32.c -@@ -433,7 +433,7 @@ 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 */ -@@ -611,7 +611,10 @@ 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; -@@ -620,7 +623,11 @@ 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; -@@ -687,7 +694,10 @@ 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; -@@ -695,7 +705,11 @@ 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; - } -@@ -2362,12 +2376,15 @@ 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 2861082..6d4718e 100644 ---- a/arch/x86/kernel/asm-offsets.c -+++ b/arch/x86/kernel/asm-offsets.c -@@ -33,6 +33,8 @@ void common(void) { - OFFSET(TI_status, thread_info, status); - OFFSET(TI_addr_limit, thread_info, addr_limit); - OFFSET(TI_preempt_count, thread_info, preempt_count); -+ 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); -@@ -53,8 +55,26 @@ 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 e7c798b..2b2019b 100644 ---- a/arch/x86/kernel/asm-offsets_64.c -+++ b/arch/x86/kernel/asm-offsets_64.c -@@ -77,6 +77,7 @@ int main(void) - BLANK(); - #undef ENTRY - -+ DEFINE(TSS_size, sizeof(struct tss_struct)); - OFFSET(TSS_ist, tss_struct, x86_tss.ist); - BLANK(); - -diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile -index b0684e4..22ccfd7 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 += proc.o capflags.o powerflags.o common.o - obj-y += rdrand.o -diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c -index 5013a48..0782c53 100644 ---- a/arch/x86/kernel/cpu/amd.c -+++ b/arch/x86/kernel/cpu/amd.c -@@ -744,7 +744,7 @@ static unsigned int __cpuinit 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 22018f7..df77e23 100644 ---- a/arch/x86/kernel/cpu/common.c -+++ b/arch/x86/kernel/cpu/common.c -@@ -88,60 +88,6 @@ static const struct cpu_dev __cpuinitconst default_cpu = { - - static const struct cpu_dev *this_cpu __cpuinitdata = &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) - { - setup_clear_cpu_cap(X86_FEATURE_XSAVE); -@@ -288,6 +234,57 @@ static __always_inline void setup_smap(struct cpuinfo_x86 *c) - set_in_cr4(X86_CR4_SMAP); - } - -+#ifdef CONFIG_X86_64 -+static __init int setup_disable_pcid(char *arg) -+{ -+ setup_clear_cpu_cap(X86_FEATURE_PCID); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (clone_pgd_mask != ~(pgdval_t)0UL) -+ 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)) { -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (clone_pgd_mask != ~(pgdval_t)0UL) { -+ pax_open_kernel(); -+ pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT; -+ pax_close_kernel(); -+ printk("PAX: slow and weak UDEREF enabled\n"); -+ } else -+ printk("PAX: UDEREF disabled\n"); -+#endif -+ -+ return; -+ } -+ -+ printk("PAX: PCID detected\n"); -+ set_in_cr4(X86_CR4_PCIDE); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ 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 -+ -+ if (cpu_has(c, X86_FEATURE_INVPCID)) -+ printk("PAX: INVPCID detected\n"); -+} -+#endif -+ - /* - * Some CPU features depend on higher CPUID levels, which may not always - * be available due to CPUID level capping or broken virtualization -@@ -386,7 +383,7 @@ 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 */ -@@ -874,6 +871,10 @@ static void __cpuinit identify_cpu(struct cpuinfo_x86 *c) - setup_smep(c); - setup_smap(c); - -+#ifdef CONFIG_X86_64 -+ setup_pcid(c); -+#endif -+ - /* - * The vendor-specific functions might have changed features. - * Now we do "generic changes." -@@ -882,6 +883,10 @@ static void __cpuinit identify_cpu(struct cpuinfo_x86 *c) - /* Filter out anything that depends on CPUID levels we don't have */ - filter_cpuid_features(c, true); - -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)) -+ setup_clear_cpu_cap(X86_FEATURE_SEP); -+#endif -+ - /* If the model name is still unset, do table lookup. */ - if (!c->x86_model_id[0]) { - const char *p; -@@ -1069,10 +1074,12 @@ 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); -+ - #ifdef CONFIG_X86_64 - struct desc_ptr idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) idt_table }; --struct desc_ptr nmi_idt_descr = { NR_VECTORS * 16 - 1, -- (unsigned long) nmi_idt_table }; -+struct desc_ptr nmi_idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) nmi_idt_table }; - - DEFINE_PER_CPU_FIRST(union irq_stack_union, - irq_stack_union) __aligned(PAGE_SIZE); -@@ -1086,7 +1093,7 @@ DEFINE_PER_CPU(struct task_struct *, current_task) ____cacheline_aligned = - EXPORT_PER_CPU_SYMBOL(current_task); - - DEFINE_PER_CPU(unsigned long, kernel_stack) = -- (unsigned long)&init_thread_union - KERNEL_STACK_OFFSET + THREAD_SIZE; -+ (unsigned long)&init_thread_union - 16 + THREAD_SIZE; - EXPORT_PER_CPU_SYMBOL(kernel_stack); - - DEFINE_PER_CPU(char *, irq_stack_ptr) = -@@ -1231,7 +1238,7 @@ void __cpuinit cpu_init(void) - load_ucode_ap(); - - cpu = stack_smp_processor_id(); -- t = &per_cpu(init_tss, cpu); -+ t = init_tss + cpu; - oist = &per_cpu(orig_ist, cpu); - - #ifdef CONFIG_NUMA -@@ -1257,7 +1264,7 @@ void __cpuinit cpu_init(void) - switch_to_new_gdt(cpu); - loadsegment(fs, 0); - -- load_idt((const struct desc_ptr *)&idt_descr); -+ load_idt(&idt_descr); - - memset(me->thread.tls_array, 0, GDT_ENTRY_TLS_ENTRIES * 8); - syscall_init(); -@@ -1266,7 +1273,6 @@ void __cpuinit cpu_init(void) - wrmsrl(MSR_KERNEL_GS_BASE, 0); - barrier(); - -- x86_configure_nx(); - enable_x2apic(); - - /* -@@ -1318,7 +1324,7 @@ void __cpuinit cpu_init(void) - { - int cpu = smp_processor_id(); - struct task_struct *curr = current; -- struct tss_struct *t = &per_cpu(init_tss, cpu); -+ struct tss_struct *t = init_tss + cpu; - struct thread_struct *thread = &curr->thread; - - show_ucode_info_early(); -diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c -index 7c6f7d5..8cac382 100644 ---- a/arch/x86/kernel/cpu/intel_cacheinfo.c -+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c -@@ -1017,6 +1017,22 @@ static struct attribute *default_attrs[] = { - }; - - #ifdef CONFIG_AMD_NB -+static struct attribute *default_attrs_amd_nb[] = { -+ &type.attr, -+ &level.attr, -+ &coherency_line_size.attr, -+ &physical_line_partition.attr, -+ &ways_of_associativity.attr, -+ &number_of_sets.attr, -+ &size.attr, -+ &shared_cpu_map.attr, -+ &shared_cpu_list.attr, -+ NULL, -+ NULL, -+ NULL, -+ NULL -+}; -+ - static struct attribute ** __cpuinit amd_l3_attrs(void) - { - static struct attribute **attrs; -@@ -1027,18 +1043,7 @@ static struct attribute ** __cpuinit amd_l3_attrs(void) - - n = ARRAY_SIZE(default_attrs); - -- if (amd_nb_has_feature(AMD_NB_L3_INDEX_DISABLE)) -- n += 2; -- -- if (amd_nb_has_feature(AMD_NB_L3_PARTITIONING)) -- n += 1; -- -- attrs = kzalloc(n * sizeof (struct attribute *), GFP_KERNEL); -- if (attrs == NULL) -- return attrs = default_attrs; -- -- for (n = 0; default_attrs[n]; n++) -- attrs[n] = default_attrs[n]; -+ attrs = default_attrs_amd_nb; - - if (amd_nb_has_feature(AMD_NB_L3_INDEX_DISABLE)) { - attrs[n++] = &cache_disable_0.attr; -@@ -1089,6 +1094,13 @@ static struct kobj_type ktype_cache = { - .default_attrs = default_attrs, - }; - -+#ifdef CONFIG_AMD_NB -+static struct kobj_type ktype_cache_amd_nb = { -+ .sysfs_ops = &sysfs_ops, -+ .default_attrs = default_attrs_amd_nb, -+}; -+#endif -+ - static struct kobj_type ktype_percpu_entry = { - .sysfs_ops = &sysfs_ops, - }; -@@ -1154,20 +1166,26 @@ static int __cpuinit cache_add_dev(struct device *dev) - return retval; - } - -+#ifdef CONFIG_AMD_NB -+ amd_l3_attrs(); -+#endif -+ - for (i = 0; i < num_cache_leaves; i++) { -+ struct kobj_type *ktype; -+ - this_object = INDEX_KOBJECT_PTR(cpu, i); - this_object->cpu = cpu; - this_object->index = i; - - this_leaf = CPUID4_INFO_IDX(cpu, i); - -- ktype_cache.default_attrs = default_attrs; -+ ktype = &ktype_cache; - #ifdef CONFIG_AMD_NB - if (this_leaf->base.nb) -- ktype_cache.default_attrs = amd_l3_attrs(); -+ ktype = &ktype_cache_amd_nb; - #endif - retval = kobject_init_and_add(&(this_object->kobj), -- &ktype_cache, -+ ktype, - per_cpu(ici_cache_kobject, cpu), - "index%1lu", i); - if (unlikely(retval)) { -@@ -1222,7 +1240,7 @@ static int __cpuinit cacheinfo_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata cacheinfo_cpu_notifier = { -+static struct notifier_block cacheinfo_cpu_notifier = { - .notifier_call = cacheinfo_cpu_callback, - }; - -diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c -index 9239504..b2471ce 100644 ---- a/arch/x86/kernel/cpu/mcheck/mce.c -+++ b/arch/x86/kernel/cpu/mcheck/mce.c -@@ -45,6 +45,7 @@ - #include <asm/processor.h> - #include <asm/mce.h> - #include <asm/msr.h> -+#include <asm/local.h> - - #include "mce-internal.h" - -@@ -246,7 +247,7 @@ 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"); - } -@@ -279,10 +280,10 @@ static void print_mce(struct mce *m) - - #define PANIC_TIMEOUT 5 /* 5 seconds */ - --static atomic_t mce_paniced; -+static atomic_unchecked_t mce_paniced; - - static int fake_panic; --static atomic_t mce_fake_paniced; -+static atomic_unchecked_t mce_fake_paniced; - - /* Panic in progress. Enable interrupts and wait for final IPI */ - static void wait_for_panic(void) -@@ -306,7 +307,7 @@ static void mce_panic(char *msg, struct mce *final, char *exp) - /* - * Make sure only one CPU runs in machine check panic - */ -- if (atomic_inc_return(&mce_paniced) > 1) -+ if (atomic_inc_return_unchecked(&mce_paniced) > 1) - wait_for_panic(); - barrier(); - -@@ -314,7 +315,7 @@ static void mce_panic(char *msg, struct mce *final, char *exp) - console_verbose(); - } else { - /* Don't log too much for fake panic */ -- if (atomic_inc_return(&mce_fake_paniced) > 1) -+ if (atomic_inc_return_unchecked(&mce_fake_paniced) > 1) - return; - } - /* First print corrected ones that are still unlogged */ -@@ -353,7 +354,7 @@ static void mce_panic(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); - } -@@ -683,7 +684,7 @@ static int mce_timed_out(u64 *t) - * might have been modified by someone else. - */ - rmb(); -- if (atomic_read(&mce_paniced)) -+ if (atomic_read_unchecked(&mce_paniced)) - wait_for_panic(); - if (!mca_cfg.monarch_timeout) - goto out; -@@ -1654,7 +1655,7 @@ 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; - - /* -@@ -1677,7 +1678,9 @@ void __cpuinit 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); -@@ -1691,7 +1694,7 @@ void __cpuinit 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) -@@ -1699,7 +1702,7 @@ 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; -@@ -1707,7 +1710,7 @@ 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); - -@@ -1718,7 +1721,7 @@ 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); -@@ -2364,7 +2367,7 @@ mce_cpu_callback(struct notifier_block *nfb, unsigned long action, void *hcpu) - return NOTIFY_OK; - } - --static struct notifier_block mce_cpu_notifier __cpuinitdata = { -+static struct notifier_block mce_cpu_notifier = { - .notifier_call = mce_cpu_callback, - }; - -@@ -2374,7 +2377,7 @@ 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; -@@ -2442,7 +2445,7 @@ struct dentry *mce_get_debugfs_dir(void) - static void mce_reset(void) - { - cpu_missing = 0; -- atomic_set(&mce_fake_paniced, 0); -+ atomic_set_unchecked(&mce_fake_paniced, 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 1c044b1..37a2a43 100644 ---- a/arch/x86/kernel/cpu/mcheck/p5.c -+++ b/arch/x86/kernel/cpu/mcheck/p5.c -@@ -11,6 +11,7 @@ - #include <asm/processor.h> - #include <asm/mce.h> - #include <asm/msr.h> -+#include <asm/pgtable.h> - - /* By default disabled */ - int mce_p5_enabled __read_mostly; -@@ -49,7 +50,9 @@ 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/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c -index 47a1870..8c019a7 100644 ---- a/arch/x86/kernel/cpu/mcheck/therm_throt.c -+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c -@@ -288,7 +288,7 @@ thermal_throttle_cpu_callback(struct notifier_block *nfb, - return notifier_from_errno(err); - } - --static struct notifier_block thermal_throttle_cpu_notifier __cpuinitdata = -+static struct notifier_block thermal_throttle_cpu_notifier = - { - .notifier_call = thermal_throttle_cpu_callback, - }; -diff --git a/arch/x86/kernel/cpu/mcheck/winchip.c b/arch/x86/kernel/cpu/mcheck/winchip.c -index e9a701a..35317d6 100644 ---- a/arch/x86/kernel/cpu/mcheck/winchip.c -+++ b/arch/x86/kernel/cpu/mcheck/winchip.c -@@ -10,6 +10,7 @@ - #include <asm/processor.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) -@@ -23,7 +24,9 @@ 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/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c -index ca22b73..9987afe 100644 ---- a/arch/x86/kernel/cpu/mtrr/main.c -+++ b/arch/x86/kernel/cpu/mtrr/main.c -@@ -62,7 +62,7 @@ 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 1025f3c..824f677 100644 ---- a/arch/x86/kernel/cpu/perf_event.c -+++ b/arch/x86/kernel/cpu/perf_event.c -@@ -1311,7 +1311,7 @@ static void __init pmu_check_apic(void) - pr_info("no hardware sampling interrupt available.\n"); - } - --static struct attribute_group x86_pmu_format_group = { -+static attribute_group_no_const x86_pmu_format_group = { - .name = "format", - .attrs = NULL, - }; -@@ -1410,7 +1410,7 @@ 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, - }; -@@ -1920,7 +1920,7 @@ static unsigned long get_segment_base(unsigned int segment) - if (idx > GDT_ENTRIES) - return 0; - -- desc = __this_cpu_ptr(&gdt_page.gdt[0]); -+ desc = get_cpu_gdt_table(smp_processor_id()); - } - - return get_desc_base(desc + idx); -@@ -2010,7 +2010,7 @@ 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_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c -index a9e2207..d70c83a 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel.c -+++ b/arch/x86/kernel/cpu/perf_event_intel.c -@@ -2022,10 +2022,10 @@ __init int intel_pmu_init(void) - * v2 and above have a perf capabilities MSR - */ - if (version > 1) { -- 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_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c -index 8aac56b..588fb13 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c -+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c -@@ -3093,7 +3093,7 @@ 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; - -@@ -3518,7 +3518,7 @@ static int - return NOTIFY_OK; - } - --static struct notifier_block uncore_cpu_nb __cpuinitdata = { -+static struct notifier_block uncore_cpu_nb = { - .notifier_call = uncore_cpu_notifier, - /* - * to migrate uncore events, our notifier should be executed -diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.h b/arch/x86/kernel/cpu/perf_event_intel_uncore.h -index f952891..4722ad4 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_uncore.h -+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.h -@@ -488,7 +488,7 @@ struct intel_uncore_box { - struct uncore_event_desc { - struct kobj_attribute attr; - const char *config; --}; -+} __do_const; - - #define INTEL_UNCORE_EVENT_DESC(_name, _config) \ - { \ -diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c -index 1e4dbcf..b9a34c2 100644 ---- a/arch/x86/kernel/cpuid.c -+++ b/arch/x86/kernel/cpuid.c -@@ -171,7 +171,7 @@ static int __cpuinit 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.c b/arch/x86/kernel/crash.c -index 74467fe..18793d5 100644 ---- a/arch/x86/kernel/crash.c -+++ b/arch/x86/kernel/crash.c -@@ -58,10 +58,8 @@ static void kdump_nmi_callback(int cpu, struct pt_regs *regs) - { - #ifdef CONFIG_X86_32 - struct pt_regs fixed_regs; --#endif - --#ifdef CONFIG_X86_32 -- if (!user_mode_vm(regs)) { -+ if (!user_mode(regs)) { - crash_fixup_ss_esp(&fixed_regs, regs); - regs = &fixed_regs; - } -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_32.c b/arch/x86/kernel/doublefault_32.c -index 155a13f..1672b9b 100644 ---- a/arch/x86/kernel/doublefault_32.c -+++ b/arch/x86/kernel/doublefault_32.c -@@ -11,7 +11,7 @@ - - #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) - -@@ -21,7 +21,7 @@ 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); - -@@ -58,10 +58,10 @@ 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 deb6421..76bbc12 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> -@@ -35,16 +38,14 @@ void printk_address(unsigned long address, int reliable) - 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) -@@ -61,7 +62,7 @@ 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 - -@@ -72,10 +73,8 @@ 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; -@@ -86,14 +85,14 @@ 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; -@@ -105,7 +104,7 @@ 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++; - } -@@ -114,7 +113,7 @@ 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) -@@ -122,7 +121,7 @@ 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)) -@@ -131,7 +130,7 @@ 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; -@@ -150,7 +149,7 @@ static int print_trace_stack(void *data, char *name) - static void print_trace_address(void *data, unsigned long addr, int reliable) - { - touch_nmi_watchdog(); -- printk(data); -+ printk("%s", (char *)data); - printk_address(addr, reliable); - } - -@@ -219,6 +218,8 @@ unsigned __kprobes long oops_begin(void) - } - EXPORT_SYMBOL_GPL(oops_begin); - -+extern void gr_handle_kernel_exploit(void); -+ - void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr) - { - if (regs && kexec_should_crash(current)) -@@ -240,7 +241,10 @@ void __kprobes 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); - } - - int __kprobes __die(const char *str, struct pt_regs *regs, long err) -@@ -268,7 +272,7 @@ int __kprobes __die(const char *str, struct pt_regs *regs, long err) - print_modules(); - show_regs(regs); - #ifdef CONFIG_X86_32 -- if (user_mode_vm(regs)) { -+ if (user_mode(regs)) { - sp = regs->sp; - ss = regs->ss & 0xffff; - } else { -@@ -296,7 +300,7 @@ void die(const char *str, struct pt_regs *regs, long err) - unsigned long flags = oops_begin(); - int sig = SIGSEGV; - -- if (!user_mode_vm(regs)) -+ if (!user_mode(regs)) - report_bug(regs->ip, regs); - - if (__die(str, regs, err)) -diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c -index f2a1770..540657f 100644 ---- a/arch/x86/kernel/dumpstack_32.c -+++ b/arch/x86/kernel/dumpstack_32.c -@@ -38,15 +38,13 @@ 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)); - -- context = (struct thread_info *) -- ((unsigned long)stack & (~(THREAD_SIZE - 1))); -- bp = ops->walk_stack(context, stack, bp, ops, data, NULL, &graph); -+ bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, NULL, &graph); - -- stack = (unsigned long *)context->previous_esp; -- if (!stack) -+ if (stack_start == task_stack_page(task)) - break; -+ stack = *(unsigned long **)stack_start; - if (ops->stack(data, "IRQ") < 0) - break; - touch_nmi_watchdog(); -@@ -87,27 +85,28 @@ void show_regs(struct pt_regs *regs) - int i; - - show_regs_print_info(KERN_EMERG); -- __show_regs(regs, !user_mode_vm(regs)); -+ __show_regs(regs, !user_mode(regs)); - - /* - * When in-kernel, we also print out the stack and code at the - * time of the fault.. - */ -- if (!user_mode_vm(regs)) { -+ if (!user_mode(regs)) { - unsigned int code_prologue = code_bytes * 43 / 64; - 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++) { -@@ -116,7 +115,7 @@ 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); -@@ -129,6 +128,7 @@ 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)) -@@ -136,3 +136,15 @@ int is_valid_bugaddr(unsigned long ip) - - return ud2 == 0x0b0f; - } -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+void 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 addb207..99635fa 100644 ---- a/arch/x86/kernel/dumpstack_64.c -+++ b/arch/x86/kernel/dumpstack_64.c -@@ -119,9 +119,9 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - unsigned long *irq_stack_end = - (unsigned long *)per_cpu(irq_stack_ptr, cpu); - unsigned used = 0; -- struct thread_info *tinfo; - int graph = 0; - unsigned long dummy; -+ void *stack_start; - - if (!task) - task = current; -@@ -142,10 +142,10 @@ 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); - for (;;) { - char *id; - unsigned long *estack_end; -+ - estack_end = in_exception_stack(cpu, (unsigned long)stack, - &used, &id); - -@@ -153,7 +153,7 @@ 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, estack_end - EXCEPTION_STKSZ, stack, bp, ops, - data, estack_end, &graph); - ops->stack(data, "<EOE>"); - /* -@@ -161,6 +161,8 @@ 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)estack_end[-1] != __KERNEL_DS) -+ goto out; - stack = (unsigned long *) estack_end[-2]; - continue; - } -@@ -172,7 +174,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - if (in_irq_stack(stack, irq_stack, irq_stack_end)) { - 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, irq_stack_end, &graph); - /* - * We link to the next stack (which would be -@@ -191,7 +193,9 @@ 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); -@@ -300,3 +304,50 @@ int is_valid_bugaddr(unsigned long ip) - - return ud2 == 0x0b0f; - } -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+void 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 d32abea..74daf4f 100644 ---- a/arch/x86/kernel/e820.c -+++ b/arch/x86/kernel/e820.c -@@ -800,8 +800,8 @@ 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 d15f575..d692043 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 8f3e2de..6b71e39 100644 ---- a/arch/x86/kernel/entry_32.S -+++ b/arch/x86/kernel/entry_32.S -@@ -177,13 +177,153 @@ - /*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 $16, %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 $16, %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 -+ 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 +346,7 @@ - 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 +354,15 @@ - 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 +446,7 @@ 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 -@@ -344,7 +493,15 @@ 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 -@@ -356,8 +513,8 @@ 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) -@@ -372,7 +529,7 @@ need_resched: - jz restore_all - call preempt_schedule_irq - jmp need_resched --END(resume_kernel) -+ENDPROC(resume_kernel) - #endif - CFI_ENDPROC - /* -@@ -406,30 +563,45 @@ 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 - 4*4 means the 4 words -- * pushed above; +8 corresponds to copy_thread's esp0 setting. - */ -- pushl_cfi ((TI_sysenter_return)-THREAD_SIZE+8+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: -@@ -444,12 +616,24 @@ sysenter_do_call: - testl $_TIF_ALLWORK_MASK, %ecx - jne 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 - -@@ -466,6 +650,9 @@ sysenter_audit: - movl %eax,%edx /* 2nd arg: syscall number */ - movl $AUDIT_ARCH_I386,%eax /* 1st arg: audit arch */ - call __audit_syscall_entry -+ -+ pax_erase_kstack -+ - pushl_cfi %ebx - movl PT_EAX(%esp),%eax /* reload syscall number */ - jmp sysenter_do_call -@@ -491,10 +678,16 @@ 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) - -@@ -509,6 +702,11 @@ 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 -@@ -527,6 +725,15 @@ syscall_exit: - testl $_TIF_ALLWORK_MASK, %ecx # current->work - jne 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: -@@ -583,14 +790,34 @@ 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 $16, %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 $16, %esi -+ mov %esi, %cr0 -+#endif -+ - pushl_cfi $__ESPFIX_SS - pushl_cfi %eax /* new kernel esp */ - /* Disable interrupts, but do not irqtrace this section: we -@@ -619,20 +846,18 @@ 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 - jne work_notifysig_v86 # returning to kernel-space or - # vm86-space - 1: --#else -- movl %esp, %eax - #endif - TRACE_IRQS_ON - ENABLE_INTERRUPTS(CLBR_NONE) -@@ -653,7 +878,7 @@ work_notifysig_v86: - movl %eax, %esp - jmp 1b - #endif --END(work_pending) -+ENDPROC(work_pending) - - # perform syscall exit tracing - ALIGN -@@ -661,11 +886,14 @@ 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 -@@ -678,21 +906,25 @@ 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,PT_EAX(%esp) - jmp resume_userspace --END(syscall_badsys) -+ENDPROC(syscall_badsys) - CFI_ENDPROC - /* - * End of kprobes section -@@ -708,8 +940,15 @@ END(syscall_badsys) - * normal stack and adjusts ESP with the matching offset. - */ - /* 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 -@@ -762,7 +1001,7 @@ vector=vector+1 - .endr - 2: jmp common_interrupt - .endr --END(irq_entries_start) -+ENDPROC(irq_entries_start) - - .previous - END(interrupt) -@@ -813,7 +1052,7 @@ 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 -@@ -826,7 +1065,7 @@ ENTRY(simd_coprocessor_error) - .section .altinstructions,"a" - altinstruction_entry 661b, 663f, X86_FEATURE_XMM, 662b-661b, 664f-663f - .previous --.section .altinstr_replacement,"ax" -+.section .altinstr_replacement,"a" - 663: pushl $do_simd_coprocessor_error - 664: - .previous -@@ -835,7 +1074,7 @@ 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 -@@ -844,18 +1083,18 @@ 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) -@@ -865,7 +1104,7 @@ ENTRY(overflow) - pushl_cfi $do_overflow - jmp error_code - CFI_ENDPROC --END(overflow) -+ENDPROC(overflow) - - ENTRY(bounds) - RING0_INT_FRAME -@@ -874,7 +1113,7 @@ ENTRY(bounds) - pushl_cfi $do_bounds - jmp error_code - CFI_ENDPROC --END(bounds) -+ENDPROC(bounds) - - ENTRY(invalid_op) - RING0_INT_FRAME -@@ -883,7 +1122,7 @@ 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 -@@ -892,7 +1131,7 @@ 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 -@@ -900,7 +1139,7 @@ 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 -@@ -908,7 +1147,7 @@ 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 -@@ -916,7 +1155,7 @@ 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 -@@ -924,7 +1163,7 @@ 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 -@@ -933,7 +1172,7 @@ 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) -@@ -943,7 +1182,7 @@ ENTRY(machine_check) - pushl_cfi machine_check_vector - jmp error_code - CFI_ENDPROC --END(machine_check) -+ENDPROC(machine_check) - #endif - - ENTRY(spurious_interrupt_bug) -@@ -953,7 +1192,7 @@ ENTRY(spurious_interrupt_bug) - pushl_cfi $do_spurious_interrupt_bug - jmp error_code - CFI_ENDPROC --END(spurious_interrupt_bug) -+ENDPROC(spurious_interrupt_bug) - /* - * End of kprobes section - */ -@@ -1063,7 +1302,7 @@ BUILD_INTERRUPT3(hyperv_callback_vector, HYPERVISOR_CALLBACK_VECTOR, - - ENTRY(mcount) - ret --END(mcount) -+ENDPROC(mcount) - - ENTRY(ftrace_caller) - cmpl $0, function_trace_stop -@@ -1096,7 +1335,7 @@ 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) */ -@@ -1197,7 +1436,7 @@ trace: - popl %ecx - popl %eax - jmp ftrace_stub --END(mcount) -+ENDPROC(mcount) - #endif /* CONFIG_DYNAMIC_FTRACE */ - #endif /* CONFIG_FUNCTION_TRACER */ - -@@ -1215,7 +1454,7 @@ ENTRY(ftrace_graph_caller) - popl %ecx - popl %eax - ret --END(ftrace_graph_caller) -+ENDPROC(ftrace_graph_caller) - - .globl return_to_handler - return_to_handler: -@@ -1271,15 +1510,18 @@ 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 -@@ -1322,7 +1564,7 @@ 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 -@@ -1360,6 +1602,9 @@ 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 - -@@ -1396,12 +1641,15 @@ 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 - CFI_ENDPROC --END(nmi) -+ENDPROC(nmi) - - ENTRY(int3) - RING0_INT_FRAME -@@ -1414,14 +1662,14 @@ 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) -@@ -1430,7 +1678,7 @@ 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 7272089..0b74104 100644 ---- a/arch/x86/kernel/entry_64.S -+++ b/arch/x86/kernel/entry_64.S -@@ -59,6 +59,8 @@ - #include <asm/context_tracking.h> - #include <asm/smap.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> -@@ -80,8 +82,9 @@ - #ifdef CONFIG_DYNAMIC_FTRACE - - ENTRY(function_hook) -+ pax_force_retaddr - retq --END(function_hook) -+ENDPROC(function_hook) - - /* skip is set if stack has been adjusted */ - .macro ftrace_caller_setup skip=0 -@@ -122,8 +125,9 @@ 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 compare (in SS location)*/ -@@ -191,7 +195,7 @@ ftrace_restore_flags: - popfq - jmp ftrace_stub - --END(ftrace_regs_caller) -+ENDPROC(ftrace_regs_caller) - - - #else /* ! CONFIG_DYNAMIC_FTRACE */ -@@ -212,6 +216,7 @@ ENTRY(function_hook) - #endif - - GLOBAL(ftrace_stub) -+ pax_force_retaddr - retq - - trace: -@@ -225,12 +230,13 @@ trace: - #endif - subq $MCOUNT_INSN_SIZE, %rdi - -+ pax_force_fptr ftrace_trace_function - call *ftrace_trace_function - - MCOUNT_RESTORE_FRAME - - jmp ftrace_stub --END(function_hook) -+ENDPROC(function_hook) - #endif /* CONFIG_DYNAMIC_FTRACE */ - #endif /* CONFIG_FUNCTION_TRACER */ - -@@ -252,8 +258,9 @@ ENTRY(ftrace_graph_caller) - - MCOUNT_RESTORE_FRAME - -+ pax_force_retaddr - retq --END(ftrace_graph_caller) -+ENDPROC(ftrace_graph_caller) - - GLOBAL(return_to_handler) - subq $24, %rsp -@@ -269,7 +276,9 @@ 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 - - -@@ -284,6 +293,430 @@ 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 $16,%rdi -+ jnc 3f -+ mov %cs,%edi -+ cmp $__KERNEL_CS,%edi -+ jnz 2f -+1: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ 661: jmp 111f -+ .pushsection .altinstr_replacement, "a" -+ 662: ASM_NOP2 -+ .popsection -+ .pushsection .altinstructions, "a" -+ altinstruction_entry 661b, 662b, X86_FEATURE_PCID, 2, 2 -+ .popsection -+ 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 $16,%rdi -+ jnc 4f -+1: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ 661: jmp 111f -+ .pushsection .altinstr_replacement, "a" -+ 662: ASM_NOP2 -+ .popsection -+ .pushsection .altinstructions, "a" -+ altinstruction_entry 661b, 662b, X86_FEATURE_PCID, 2, 2 -+ .popsection -+ 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 $16,%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 -+ -+ 661: jmp 111f -+ .pushsection .altinstr_replacement, "a" -+ 662: ASM_NOP2 -+ .popsection -+ .pushsection .altinstructions, "a" -+ altinstruction_entry 661b, 662b, X86_FEATURE_PCID, 2, 2 -+ .popsection -+ 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 $16,%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 -+ 661: jmp 1f -+ .pushsection .altinstr_replacement, "a" -+ 662: ASM_NOP2 -+ .popsection -+ .pushsection .altinstructions, "a" -+ altinstruction_entry 661b, 662b, X86_FEATURE_PCID, 2, 2 -+ .popsection -+ 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 $16,%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 $16,%rdi -+ jc 110f -+ SET_RDI_INTO_CR0 -+ or $2,%ebx -+110: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ 661: jmp 111f -+ .pushsection .altinstr_replacement, "a" -+ 662: ASM_NOP2 -+ .popsection -+ .pushsection .altinstructions, "a" -+ altinstruction_entry 661b, 662b, X86_FEATURE_PCID, 2, 2 -+ .popsection -+ 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 $16,%rdi -+ SET_RDI_INTO_CR0 -+110: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ 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 -+ 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 offset=ARGOFFSET - #ifdef CONFIG_TRACE_IRQFLAGS -@@ -375,8 +808,8 @@ ENDPROC(native_usergs_sysret64) - .endm - - .macro UNFAKE_STACK_FRAME -- addq $8*6, %rsp -- CFI_ADJUST_CFA_OFFSET -(6*8) -+ addq $8*6 + ARG_SKIP, %rsp -+ CFI_ADJUST_CFA_OFFSET -(6*8 + ARG_SKIP) - .endm - - /* -@@ -463,7 +896,7 @@ ENDPROC(native_usergs_sysret64) - movq %rsp, %rsi - - leaq -RBP(%rsp),%rdi /* arg1 for handler */ -- testl $3, CS-RBP(%rsi) -+ testb $3, CS-RBP(%rsi) - je 1f - SWAPGS - /* -@@ -498,9 +931,10 @@ ENTRY(save_rest) - movq_cfi r15, R15+16 - movq %r11, 8(%rsp) /* return address */ - FIXUP_TOP_OF_STACK %r11, 16 -+ pax_force_retaddr - ret - CFI_ENDPROC --END(save_rest) -+ENDPROC(save_rest) - - /* save complete stack frame */ - .pushsection .kprobes.text, "ax" -@@ -529,9 +963,10 @@ ENTRY(save_paranoid) - js 1f /* negative -> in kernel */ - SWAPGS - xorl %ebx,%ebx --1: ret -+1: pax_force_retaddr_bts -+ ret - CFI_ENDPROC --END(save_paranoid) -+ENDPROC(save_paranoid) - .popsection - - /* -@@ -553,7 +988,7 @@ ENTRY(ret_from_fork) - - RESTORE_REST - -- testl $3, CS-ARGOFFSET(%rsp) # from kernel_thread? -+ testb $3, CS-ARGOFFSET(%rsp) # from kernel_thread? - jz 1f - - testl $_TIF_IA32, TI_flags(%rcx) # 32-bit compat task needs IRET -@@ -571,7 +1006,7 @@ ENTRY(ret_from_fork) - RESTORE_REST - jmp int_ret_from_sys_call - CFI_ENDPROC --END(ret_from_fork) -+ENDPROC(ret_from_fork) - - /* - * System call entry. Up to 6 arguments in registers are supported. -@@ -608,7 +1043,7 @@ END(ret_from_fork) - ENTRY(system_call) - CFI_STARTPROC simple - CFI_SIGNAL_FRAME -- CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET -+ CFI_DEF_CFA rsp,0 - CFI_REGISTER rip,rcx - /*CFI_REGISTER rflags,r11*/ - SWAPGS_UNSAFE_STACK -@@ -621,16 +1056,23 @@ GLOBAL(system_call_after_swapgs) - - movq %rsp,PER_CPU_VAR(old_rsp) - movq PER_CPU_VAR(kernel_stack),%rsp -+ SAVE_ARGS 8*6,0 -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ - /* - * No need to follow this irqs off/on section - it's straight - * and short: - */ - ENABLE_INTERRUPTS(CLBR_NONE) -- SAVE_ARGS 8,0 - movq %rax,ORIG_RAX-ARGOFFSET(%rsp) - movq %rcx,RIP-ARGOFFSET(%rsp) - CFI_REL_OFFSET rip,RIP-ARGOFFSET -- testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ GET_THREAD_INFO(%rcx) -+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%rcx) - jnz tracesys - system_call_fastpath: - #if __SYSCALL_MASK == ~0 -@@ -640,7 +1082,7 @@ system_call_fastpath: - cmpl $__NR_syscall_max,%eax - #endif - ja badsys -- movq %r10,%rcx -+ movq R10-ARGOFFSET(%rsp),%rcx - call *sys_call_table(,%rax,8) # XXX: rip relative - movq %rax,RAX-ARGOFFSET(%rsp) - /* -@@ -654,10 +1096,13 @@ sysret_check: - LOCKDEP_SYS_EXIT - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- movl TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET),%edx -+ GET_THREAD_INFO(%rcx) -+ movl TI_flags(%rcx),%edx - andl %edi,%edx - jnz sysret_careful - CFI_REMEMBER_STATE -+ pax_exit_kernel_user -+ pax_erase_kstack - /* - * sysretq will re-enable interrupts: - */ -@@ -709,14 +1154,18 @@ badsys: - * jump back to the normal fast path. - */ - auditsys: -- movq %r10,%r9 /* 6th arg: 4th syscall arg */ -+ movq R10-ARGOFFSET(%rsp),%r9 /* 6th arg: 4th syscall arg */ - movq %rdx,%r8 /* 5th arg: 3rd syscall arg */ - movq %rsi,%rcx /* 4th arg: 2nd syscall arg */ - movq %rdi,%rdx /* 3rd arg: 1st syscall arg */ - movq %rax,%rsi /* 2nd arg: syscall number */ - movl $AUDIT_ARCH_X86_64,%edi /* 1st arg: audit arch */ - call __audit_syscall_entry -+ -+ pax_erase_kstack -+ - LOAD_ARGS 0 /* reload call-clobbered registers */ -+ pax_set_fptr_mask - jmp system_call_fastpath - - /* -@@ -737,7 +1186,7 @@ sysret_audit: - /* Do syscall tracing */ - tracesys: - #ifdef CONFIG_AUDITSYSCALL -- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags+THREAD_INFO(%rsp,RIP-ARGOFFSET) -+ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%rcx) - jz auditsys - #endif - SAVE_REST -@@ -745,12 +1194,16 @@ tracesys: - FIXUP_TOP_OF_STACK %rdi - movq %rsp,%rdi - call syscall_trace_enter -+ -+ pax_erase_kstack -+ - /* - * Reload arg registers from stack in case ptrace changed them. - * We don't reload %rax because syscall_trace_enter() returned - * the value it wants us to use in the table lookup. - */ - LOAD_ARGS ARGOFFSET, 1 -+ pax_set_fptr_mask - RESTORE_REST - #if __SYSCALL_MASK == ~0 - cmpq $__NR_syscall_max,%rax -@@ -759,7 +1212,7 @@ tracesys: - cmpl $__NR_syscall_max,%eax - #endif - ja int_ret_from_sys_call /* RAX(%rsp) set to -ENOSYS above */ -- movq %r10,%rcx /* fixup for C */ -+ movq R10-ARGOFFSET(%rsp),%rcx /* fixup for C */ - call *sys_call_table(,%rax,8) - movq %rax,RAX-ARGOFFSET(%rsp) - /* Use IRET because user could have changed frame */ -@@ -780,7 +1233,9 @@ GLOBAL(int_with_check) - andl %edi,%edx - jnz int_careful - andl $~TS_COMPAT,TI_status(%rcx) -- jmp retint_swapgs -+ pax_exit_kernel_user -+ pax_erase_kstack -+ jmp retint_swapgs_pax - - /* Either reschedule or signal or syscall exit tracking needed. */ - /* First do a reschedule test. */ -@@ -826,7 +1281,7 @@ int_restore_rest: - TRACE_IRQS_OFF - jmp int_with_check - CFI_ENDPROC --END(system_call) -+ENDPROC(system_call) - - .macro FORK_LIKE func - ENTRY(stub_\func) -@@ -839,9 +1294,10 @@ ENTRY(stub_\func) - DEFAULT_FRAME 0 8 /* offset 8: return address */ - call sys_\func - RESTORE_TOP_OF_STACK %r11, 8 -+ pax_force_retaddr - ret $REST_SKIP /* pop extended registers */ - CFI_ENDPROC --END(stub_\func) -+ENDPROC(stub_\func) - .endm - - .macro FIXED_FRAME label,func -@@ -851,9 +1307,10 @@ ENTRY(\label) - FIXUP_TOP_OF_STACK %r11, 8-ARGOFFSET - call \func - RESTORE_TOP_OF_STACK %r11, 8-ARGOFFSET -+ pax_force_retaddr - ret - CFI_ENDPROC --END(\label) -+ENDPROC(\label) - .endm - - FORK_LIKE clone -@@ -870,9 +1327,10 @@ ENTRY(ptregscall_common) - movq_cfi_restore R12+8, r12 - movq_cfi_restore RBP+8, rbp - movq_cfi_restore RBX+8, rbx -+ pax_force_retaddr - ret $REST_SKIP /* pop extended registers */ - CFI_ENDPROC --END(ptregscall_common) -+ENDPROC(ptregscall_common) - - ENTRY(stub_execve) - CFI_STARTPROC -@@ -885,7 +1343,7 @@ ENTRY(stub_execve) - RESTORE_REST - jmp int_ret_from_sys_call - CFI_ENDPROC --END(stub_execve) -+ENDPROC(stub_execve) - - /* - * sigreturn is special because it needs to restore all registers on return. -@@ -902,7 +1360,7 @@ ENTRY(stub_rt_sigreturn) - RESTORE_REST - 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) -@@ -916,7 +1374,7 @@ ENTRY(stub_x32_rt_sigreturn) - RESTORE_REST - jmp int_ret_from_sys_call - CFI_ENDPROC --END(stub_x32_rt_sigreturn) -+ENDPROC(stub_x32_rt_sigreturn) - - ENTRY(stub_x32_execve) - CFI_STARTPROC -@@ -930,7 +1388,7 @@ ENTRY(stub_x32_execve) - RESTORE_REST - jmp int_ret_from_sys_call - CFI_ENDPROC --END(stub_x32_execve) -+ENDPROC(stub_x32_execve) - - #endif - -@@ -967,7 +1425,7 @@ vector=vector+1 - 2: jmp common_interrupt - .endr - CFI_ENDPROC --END(irq_entries_start) -+ENDPROC(irq_entries_start) - - .previous - END(interrupt) -@@ -987,6 +1445,16 @@ END(interrupt) - subq $ORIG_RAX-RBP, %rsp - CFI_ADJUST_CFA_OFFSET ORIG_RAX-RBP - SAVE_ARGS_IRQ -+#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 - call \func - .endm - -@@ -1019,7 +1487,7 @@ ret_from_intr: - - exit_intr: - GET_THREAD_INFO(%rcx) -- testl $3,CS-ARGOFFSET(%rsp) -+ testb $3,CS-ARGOFFSET(%rsp) - je retint_kernel - - /* Interrupt came from user space */ -@@ -1041,12 +1509,16 @@ retint_swapgs: /* return to user-space */ - * The iretq could re-enable interrupts: - */ - DISABLE_INTERRUPTS(CLBR_ANY) -+ pax_exit_kernel_user -+retint_swapgs_pax: - TRACE_IRQS_IRETQ - SWAPGS - jmp restore_args - - retint_restore_args: /* return to kernel space */ - DISABLE_INTERRUPTS(CLBR_ANY) -+ pax_exit_kernel -+ pax_force_retaddr (RIP-ARGOFFSET) - /* - * The iretq could re-enable interrupts: - */ -@@ -1129,7 +1601,7 @@ ENTRY(retint_kernel) - #endif - - CFI_ENDPROC --END(common_interrupt) -+ENDPROC(common_interrupt) - /* - * End of kprobes section - */ -@@ -1147,7 +1619,7 @@ ENTRY(\sym) - interrupt \do_sym - jmp ret_from_intr - CFI_ENDPROC --END(\sym) -+ENDPROC(\sym) - .endm - - #ifdef CONFIG_SMP -@@ -1208,12 +1680,22 @@ ENTRY(\sym) - CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 - call error_entry - DEFAULT_FRAME 0 -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - movq %rsp,%rdi /* pt_regs pointer */ - xorl %esi,%esi /* no error code */ - call \do_sym - jmp error_exit /* %ebx: no swapgs flag */ - CFI_ENDPROC --END(\sym) -+ENDPROC(\sym) - .endm - - .macro paranoidzeroentry sym do_sym -@@ -1226,15 +1708,25 @@ ENTRY(\sym) - CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 - call save_paranoid - TRACE_IRQS_OFF -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - movq %rsp,%rdi /* pt_regs pointer */ - xorl %esi,%esi /* no error code */ - call \do_sym - jmp paranoid_exit /* %ebx: no swapgs flag */ - CFI_ENDPROC --END(\sym) -+ENDPROC(\sym) - .endm - --#define INIT_TSS_IST(x) PER_CPU_VAR(init_tss) + (TSS_ist + ((x) - 1) * 8) -+#define INIT_TSS_IST(x) (TSS_ist + ((x) - 1) * 8)(%r12) - .macro paranoidzeroentry_ist sym do_sym ist - ENTRY(\sym) - INTR_FRAME -@@ -1245,14 +1737,30 @@ ENTRY(\sym) - CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 - call save_paranoid - TRACE_IRQS_OFF_DEBUG -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - movq %rsp,%rdi /* pt_regs pointer */ - xorl %esi,%esi /* no error code */ -+#ifdef CONFIG_SMP -+ imul $TSS_size, PER_CPU_VAR(cpu_number), %r12d -+ lea init_tss(%r12), %r12 -+#else -+ lea init_tss(%rip), %r12 -+#endif - subq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist) - call \do_sym - addq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist) - jmp paranoid_exit /* %ebx: no swapgs flag */ - CFI_ENDPROC --END(\sym) -+ENDPROC(\sym) - .endm - - .macro errorentry sym do_sym -@@ -1264,13 +1772,23 @@ ENTRY(\sym) - CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 - call error_entry - DEFAULT_FRAME 0 -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - movq %rsp,%rdi /* pt_regs pointer */ - movq ORIG_RAX(%rsp),%rsi /* get error code */ - movq $-1,ORIG_RAX(%rsp) /* no syscall to restart */ - call \do_sym - jmp error_exit /* %ebx: no swapgs flag */ - CFI_ENDPROC --END(\sym) -+ENDPROC(\sym) - .endm - - /* error code is on the stack already */ -@@ -1284,13 +1802,23 @@ ENTRY(\sym) - call save_paranoid - DEFAULT_FRAME 0 - TRACE_IRQS_OFF -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - movq %rsp,%rdi /* pt_regs pointer */ - movq ORIG_RAX(%rsp),%rsi /* get error code */ - movq $-1,ORIG_RAX(%rsp) /* no syscall to restart */ - call \do_sym - jmp paranoid_exit /* %ebx: no swapgs flag */ - CFI_ENDPROC --END(\sym) -+ENDPROC(\sym) - .endm - - zeroentry divide_error do_divide_error -@@ -1320,9 +1848,10 @@ 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" -@@ -1350,9 +1879,10 @@ ENTRY(call_softirq) - CFI_DEF_CFA_REGISTER rsp - CFI_ADJUST_CFA_OFFSET -8 - decl PER_CPU_VAR(irq_count) -+ pax_force_retaddr - ret - CFI_ENDPROC --END(call_softirq) -+ENDPROC(call_softirq) - - #ifdef CONFIG_XEN - zeroentry xen_hypervisor_callback xen_do_hypervisor_callback -@@ -1390,7 +1920,7 @@ ENTRY(xen_do_hypervisor_callback) # do_hypervisor_callback(struct *pt_regs) - decl PER_CPU_VAR(irq_count) - jmp error_exit - CFI_ENDPROC --END(xen_do_hypervisor_callback) -+ENDPROC(xen_do_hypervisor_callback) - - /* - * Hypervisor uses this for application faults while it executes. -@@ -1449,7 +1979,7 @@ ENTRY(xen_failsafe_callback) - SAVE_ALL - jmp error_exit - CFI_ENDPROC --END(xen_failsafe_callback) -+ENDPROC(xen_failsafe_callback) - - apicinterrupt HYPERVISOR_CALLBACK_VECTOR \ - xen_hvm_callback_vector xen_evtchn_do_upcall -@@ -1501,18 +2031,33 @@ 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_restore -- testl $3,CS(%rsp) -+ testb $3,CS(%rsp) - jnz paranoid_userspace -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_exit_kernel -+ TRACE_IRQS_IRETQ 0 -+ SWAPGS_UNSAFE_STACK -+ RESTORE_ALL 8 -+ pax_force_retaddr_bts -+ jmp irq_return -+#endif - paranoid_swapgs: -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_exit_kernel_user -+#else -+ pax_exit_kernel -+#endif - TRACE_IRQS_IRETQ 0 - SWAPGS_UNSAFE_STACK - RESTORE_ALL 8 - jmp irq_return - paranoid_restore: -+ pax_exit_kernel - TRACE_IRQS_IRETQ_DEBUG 0 - RESTORE_ALL 8 -+ pax_force_retaddr_bts - jmp irq_return - paranoid_userspace: - GET_THREAD_INFO(%rcx) -@@ -1541,7 +2086,7 @@ paranoid_schedule: - TRACE_IRQS_OFF - jmp paranoid_userspace - CFI_ENDPROC --END(paranoid_exit) -+ENDPROC(paranoid_exit) - - /* - * Exception entry point. This expects an error code/orig_rax on the stack. -@@ -1568,12 +2113,13 @@ ENTRY(error_entry) - movq_cfi r14, R14+8 - movq_cfi r15, R15+8 - xorl %ebx,%ebx -- testl $3,CS+8(%rsp) -+ testb $3,CS+8(%rsp) - je error_kernelspace - error_swapgs: - SWAPGS - error_sti: - TRACE_IRQS_OFF -+ pax_force_retaddr_bts - ret - - /* -@@ -1600,7 +2146,7 @@ bstep_iret: - movq %rcx,RIP+8(%rsp) - jmp error_swapgs - CFI_ENDPROC --END(error_entry) -+ENDPROC(error_entry) - - - /* ebx: no swapgs flag (1: don't need swapgs, 0: need it) */ -@@ -1611,7 +2157,7 @@ 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 -@@ -1620,7 +2166,7 @@ ENTRY(error_exit) - jnz retint_careful - jmp retint_swapgs - CFI_ENDPROC --END(error_exit) -+ENDPROC(error_exit) - - /* - * Test if a given stack is an NMI stack or not. -@@ -1678,9 +2224,11 @@ ENTRY(nmi) - * If %cs was not the kernel segment, then the NMI triggered in user - * space, which means it is definitely not nested. - */ -+ cmpl $__KERNEXEC_KERNEL_CS, 16(%rsp) -+ je 1f - cmpl $__KERNEL_CS, 16(%rsp) - jne first_nmi -- -+1: - /* - * Check the special variable on the stack to see if NMIs are - * executing. -@@ -1714,8 +2262,7 @@ nested_nmi: - - 1: - /* Set up the interrupted NMIs stack to jump to repeat_nmi */ -- 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 -@@ -1733,6 +2280,7 @@ nested_nmi_out: - CFI_RESTORE rdx - - /* No need to check faults here */ -+# pax_force_retaddr_bts - INTERRUPT_RETURN - - CFI_RESTORE_STATE -@@ -1849,6 +2397,8 @@ end_repeat_nmi: - */ - movq %cr2, %r12 - -+ pax_enter_kernel_nmi -+ - /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */ - movq %rsp,%rdi - movq $-1,%rsi -@@ -1861,26 +2411,31 @@ end_repeat_nmi: - movq %r12, %cr2 - 1: - -- testl %ebx,%ebx /* swapgs needed? */ -+ testl $1,%ebx /* swapgs needed? */ - jnz nmi_restore - nmi_swapgs: - SWAPGS_UNSAFE_STACK - nmi_restore: -+ pax_exit_kernel_nmi - /* Pop the extra iret frame at once */ - RESTORE_ALL 6*8 -+ testb $3, 8(%rsp) -+ jnz 1f -+ pax_force_retaddr_bts -+1: - - /* Clear the NMI executing stack variable */ - movq $0, 5*8(%rsp) - jmp irq_return - CFI_ENDPROC --END(nmi) -+ENDPROC(nmi) - - ENTRY(ignore_sysret) - CFI_STARTPROC - mov $-ENOSYS,%eax - sysret - CFI_ENDPROC --END(ignore_sysret) -+ENDPROC(ignore_sysret) - - /* - * End of kprobes section -diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c -index 42a392a..fbbd930 100644 ---- a/arch/x86/kernel/ftrace.c -+++ b/arch/x86/kernel/ftrace.c -@@ -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 -@@ -227,7 +229,7 @@ int ftrace_update_ftrace_func(ftrace_func_t func) - unsigned char old[MCOUNT_INSN_SIZE], *new; - int ret; - -- memcpy(old, &ftrace_call, MCOUNT_INSN_SIZE); -+ memcpy(old, (void *)ktla_ktva((unsigned long)ftrace_call), MCOUNT_INSN_SIZE); - new = ftrace_call_replace(ip, (unsigned long)func); - - /* See comment above by declaration of modifying_ftrace_code */ -@@ -238,7 +240,7 @@ int ftrace_update_ftrace_func(ftrace_func_t func) - /* Also update the regs callback function */ - if (!ret) { - ip = (unsigned long)(&ftrace_regs_call); -- memcpy(old, &ftrace_regs_call, MCOUNT_INSN_SIZE); -+ memcpy(old, ktla_ktva((void *)&ftrace_regs_call), MCOUNT_INSN_SIZE); - new = ftrace_call_replace(ip, (unsigned long)func); - ret = ftrace_modify_code(ip, old, new); - } -@@ -279,7 +281,7 @@ static int ftrace_write(unsigned long ip, const char *val, int size) - * 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 probe_kernel_write((void *)ip, val, size); - } -@@ -289,7 +291,7 @@ 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 */ -@@ -637,7 +639,7 @@ ftrace_modify_code(unsigned long ip, unsigned const char *old_code, - return ret; - - fail_update: -- probe_kernel_write((void *)ip, &old_code[0], 1); -+ probe_kernel_write((void *)ktla_ktva(ip), &old_code[0], 1); - goto out; - } - -@@ -670,6 +672,8 @@ static int ftrace_mod_jmp(unsigned long ip, - { - unsigned char code[MCOUNT_INSN_SIZE]; - -+ ip = ktla_ktva(ip); -+ - if (probe_kernel_read(code, (void *)ip, MCOUNT_INSN_SIZE)) - return -EFAULT; - -diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c -index 55b6761..a6456fc 100644 ---- a/arch/x86/kernel/head64.c -+++ b/arch/x86/kernel/head64.c -@@ -67,12 +67,12 @@ 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(); -@@ -82,13 +82,13 @@ 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(); -@@ -98,7 +98,7 @@ 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; -@@ -175,7 +175,6 @@ void __init x86_64_start_kernel(char * real_mode_data) - if (console_loglevel == 10) - early_printk("Kernel alive\n"); - -- clear_page(init_level4_pgt); - /* set init_level4_pgt kernel high mapping*/ - init_level4_pgt[511] = early_level4_pgt[511]; - -diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S -index 73afd11..0ef46f2 100644 ---- a/arch/x86/kernel/head_32.S -+++ b/arch/x86/kernel/head_32.S -@@ -26,6 +26,12 @@ - /* 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. - */ -@@ -55,11 +61,7 @@ - * 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 */ - LOWMEM_PAGES = (((1<<32) - __PAGE_OFFSET) >> PAGE_SHIFT) -@@ -78,6 +80,12 @@ 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 -@@ -85,6 +93,13 @@ 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 - -@@ -106,6 +121,59 @@ 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... - */ -@@ -201,8 +269,11 @@ 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); -@@ -232,8 +303,11 @@ 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 -@@ -247,9 +321,7 @@ 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) -@@ -261,10 +333,10 @@ 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 -@@ -355,6 +427,7 @@ 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 - -@@ -383,6 +456,9 @@ default_entry: - /* Make changes effective */ - wrmsr - -+ btsl $_PAGE_BIT_NX-32,pa(__supported_pte_mask+4) -+#endif -+ - enable_paging: - - /* -@@ -451,14 +527,20 @@ 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 -@@ -534,8 +616,11 @@ 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) -@@ -566,7 +651,7 @@ ENDPROC(early_idt_handlers) - /* This is global to keep gas from relaxing the jumps */ - ENTRY(early_idt_handler) - cld -- cmpl $2,%ss:early_recursion_flag -+ cmpl $1,%ss:early_recursion_flag - je hlt_loop - incl %ss:early_recursion_flag - -@@ -604,8 +689,8 @@ ENTRY(early_idt_handler) - pushl (20+6*4)(%esp) /* trapno */ - pushl $fault_msg - call printk --#endif - call dump_stack -+#endif - hlt_loop: - hlt - jmp hlt_loop -@@ -624,8 +709,11 @@ ENDPROC(early_idt_handler) - /* 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 -@@ -634,9 +722,6 @@ 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) -@@ -670,29 +755,43 @@ 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 -+ -+/* -+ * The IDT has to be page-aligned to simplify the Pentium -+ * F0 0F bug workaround.. We have a special link segment -+ * for this. -+ */ -+.section .idt,"a",@progbits -+ENTRY(idt_table) -+ .fill 256,8,0 - - /* - * 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 -@@ -711,12 +810,20 @@ 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: -@@ -744,7 +851,7 @@ fault_msg: - * segment size, and 32-bit linear address value: - */ - -- .data -+.section .rodata,"a",@progbits - .globl boot_gdt_descr - .globl idt_descr - -@@ -753,7 +860,7 @@ 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: -@@ -764,7 +871,7 @@ 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 -@@ -773,5 +880,65 @@ 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 0x00c0930000000000 /* 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 a836860..1b5c665 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 +97,23 @@ 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, level2_fixmap_pgt + (506*8)(%rip) -+ 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 + (507*8)(%rip) - - /* - * Set up the identity mapping for the switchover. These -@@ -177,8 +197,8 @@ ENTRY(secondary_startup_64) - 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 +219,18 @@ 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 - btsq $_PAGE_BIT_NX,early_pmd_flags(%rip) -+ leaq init_level4_pgt(%rip), %rdi -+#ifndef CONFIG_EFI -+ btsq $_PAGE_BIT_NX, 8*L4_PAGE_OFFSET(%rdi) -+#endif -+ btsq $_PAGE_BIT_NX, 8*L4_VMALLOC_START(%rdi) -+ btsq $_PAGE_BIT_NX, 8*L4_VMALLOC_END(%rdi) -+ btsq $_PAGE_BIT_NX, 8*L4_VMEMMAP_START(%rdi) -+ btsq $_PAGE_BIT_NX, __supported_pte_mask(%rip) - 1: wrmsr /* Make changes effective */ - - /* Setup cr0 */ -@@ -282,6 +310,7 @@ 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 -@@ -388,7 +417,7 @@ ENTRY(early_idt_handler) - 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 */ -@@ -416,6 +445,7 @@ ENDPROC(early_idt_handler) - 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" -@@ -443,29 +473,52 @@ 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 -@@ -473,6 +526,9 @@ 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 -@@ -488,39 +544,70 @@ 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 507,8,0 -+ .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) -+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" -- -- .section .bss, "aw", @nobits -+ -+ .section .rodata,"a",@progbits -+NEXT_PAGE(empty_zero_page) -+ .skip PAGE_SIZE -+ - .align PAGE_SIZE - ENTRY(idt_table) -- .skip IDT_ENTRIES * 16 -+ .fill 512,8,0 - - .align L1_CACHE_BYTES - ENTRY(nmi_idt_table) -- .skip IDT_ENTRIES * 16 -- -- __PAGE_ALIGNED_BSS --NEXT_PAGE(empty_zero_page) -- .skip PAGE_SIZE -+ .fill 512,8,0 -diff --git a/arch/x86/kernel/i386_ksyms_32.c b/arch/x86/kernel/i386_ksyms_32.c -index 0fa6912..b37438b 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); -@@ -37,3 +41,11 @@ EXPORT_SYMBOL(strstr); - - EXPORT_SYMBOL(csum_partial); - EXPORT_SYMBOL(empty_zero_page); -+ -+#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/i387.c b/arch/x86/kernel/i387.c -index f7ea30d..6318acc 100644 ---- a/arch/x86/kernel/i387.c -+++ b/arch/x86/kernel/i387.c -@@ -51,7 +51,7 @@ static inline bool interrupted_kernel_fpu_idle(void) - static inline bool interrupted_user_mode(void) - { - struct pt_regs *regs = get_irq_regs(); -- return regs && user_mode_vm(regs); -+ return regs && user_mode(regs); - } - - /* -diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c -index 9a5c460..84868423 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_name(irq, &i8259A_chip, handle_level_irq, - i8259A_chip.name); - enable_irq(irq); -@@ -209,7 +209,7 @@ 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 -@@ -333,14 +333,16 @@ 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 4ddaf66..6292f4e 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> -@@ -28,6 +29,12 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on) - - if ((from + num <= from) || (from + num > IO_BITMAP_BITS)) - return -EINVAL; -+#ifdef CONFIG_GRKERNSEC_IO -+ if (turn_on && grsec_disable_privio) { -+ gr_handle_ioperm(); -+ return -EPERM; -+ } -+#endif - if (turn_on && !capable(CAP_SYS_RAWIO)) - return -EPERM; - -@@ -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(init_tss, get_cpu()); -+ tss = init_tss + get_cpu(); - - if (turn_on) - bitmap_clear(t->io_bitmap_ptr, from, num); -@@ -103,6 +110,12 @@ SYSCALL_DEFINE1(iopl, unsigned int, level) - return -EINVAL; - /* Trying to gain more privileges? */ - if (level > old) { -+#ifdef CONFIG_GRKERNSEC_IO -+ if (grsec_disable_privio) { -+ gr_handle_iopl(); -+ return -EPERM; -+ } -+#endif - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; - } -diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c -index ac0631d..ff7cb62 100644 ---- a/arch/x86/kernel/irq.c -+++ b/arch/x86/kernel/irq.c -@@ -18,7 +18,7 @@ - #include <asm/mce.h> - #include <asm/hw_irq.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; -@@ -122,9 +122,9 @@ int arch_show_interrupts(struct seq_file *p, int prec) - seq_printf(p, "%10u ", per_cpu(mce_poll_count, j)); - seq_printf(p, " Machine check polls\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; - } -@@ -164,7 +164,7 @@ 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 344faf8..355f60d 100644 ---- a/arch/x86/kernel/irq_32.c -+++ b/arch/x86/kernel/irq_32.c -@@ -39,7 +39,7 @@ 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) -@@ -59,8 +59,8 @@ static inline void print_stack_overflow(void) { } - * per-CPU IRQ handling contexts (thread information and stack) - */ - union irq_ctx { -- struct thread_info tinfo; -- u32 stack[THREAD_SIZE/sizeof(u32)]; -+ unsigned long previous_esp; -+ u32 stack[THREAD_SIZE/sizeof(u32)]; - } __attribute__((aligned(THREAD_SIZE))); - - static DEFINE_PER_CPU(union irq_ctx *, hardirq_ctx); -@@ -80,10 +80,9 @@ static void call_on_stack(void *func, void *stack) - static inline int - execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) - { -- union irq_ctx *curctx, *irqctx; -+ union irq_ctx *irqctx; - u32 *isp, arg1, arg2; - -- curctx = (union irq_ctx *) current_thread_info(); - irqctx = __this_cpu_read(hardirq_ctx); - - /* -@@ -92,16 +91,16 @@ 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(curctx == irqctx)) -+ if (unlikely((void *)current_stack_pointer - (void *)irqctx < THREAD_SIZE)) - return 0; - - /* build the stack frame on the IRQ stack */ -- isp = (u32 *) ((char *)irqctx + sizeof(*irqctx)); -- irqctx->tinfo.task = curctx->tinfo.task; -- irqctx->tinfo.previous_esp = current_stack_pointer; -+ isp = (u32 *) ((char *)irqctx + sizeof(*irqctx) - 8); -+ irqctx->previous_esp = current_stack_pointer; - -- /* Copy the preempt_count so that the [soft]irq checks work. */ -- irqctx->tinfo.preempt_count = curctx->tinfo.preempt_count; -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(MAKE_MM_SEG(0)); -+#endif - - if (unlikely(overflow)) - call_on_stack(print_stack_overflow, isp); -@@ -113,6 +112,11 @@ 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; - } - -@@ -121,29 +125,14 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) - */ - void __cpuinit irq_ctx_init(int cpu) - { -- union irq_ctx *irqctx; -- - if (per_cpu(hardirq_ctx, cpu)) - return; - -- irqctx = page_address(alloc_pages_node(cpu_to_node(cpu), -- THREADINFO_GFP, -- THREAD_SIZE_ORDER)); -- memset(&irqctx->tinfo, 0, sizeof(struct thread_info)); -- irqctx->tinfo.cpu = cpu; -- irqctx->tinfo.preempt_count = HARDIRQ_OFFSET; -- irqctx->tinfo.addr_limit = MAKE_MM_SEG(0); -- -- per_cpu(hardirq_ctx, cpu) = irqctx; -- -- irqctx = page_address(alloc_pages_node(cpu_to_node(cpu), -- THREADINFO_GFP, -- THREAD_SIZE_ORDER)); -- memset(&irqctx->tinfo, 0, sizeof(struct thread_info)); -- irqctx->tinfo.cpu = cpu; -- irqctx->tinfo.addr_limit = MAKE_MM_SEG(0); -- -- per_cpu(softirq_ctx, cpu) = irqctx; -+ per_cpu(hardirq_ctx, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER)); -+ per_cpu(softirq_ctx, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER)); -+ -+ printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n", -+ cpu, per_cpu(hardirq_ctx, cpu), per_cpu(softirq_ctx, cpu)); - - printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n", - cpu, per_cpu(hardirq_ctx, cpu), per_cpu(softirq_ctx, cpu)); -@@ -152,7 +141,6 @@ void __cpuinit irq_ctx_init(int cpu) - asmlinkage void do_softirq(void) - { - unsigned long flags; -- struct thread_info *curctx; - union irq_ctx *irqctx; - u32 *isp; - -@@ -162,15 +150,22 @@ asmlinkage void do_softirq(void) - local_irq_save(flags); - - if (local_softirq_pending()) { -- curctx = current_thread_info(); - irqctx = __this_cpu_read(softirq_ctx); -- irqctx->tinfo.task = curctx->task; -- irqctx->tinfo.previous_esp = current_stack_pointer; -+ irqctx->previous_esp = current_stack_pointer; - - /* build the stack frame on the softirq stack */ -- isp = (u32 *) ((char *)irqctx + sizeof(*irqctx)); -+ isp = (u32 *) ((char *)irqctx + sizeof(*irqctx) - 8); -+ -+#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 -+ - /* - * Shouldn't happen, we returned above if in_interrupt(): - */ -@@ -191,7 +186,7 @@ bool handle_irq(unsigned irq, struct pt_regs *regs) - if (unlikely(!desc)) - return false; - -- if (user_mode_vm(regs) || !execute_on_irq_stack(overflow, desc, irq)) { -+ if (user_mode(regs) || !execute_on_irq_stack(overflow, desc, irq)) { - if (unlikely(overflow)) - print_stack_overflow(); - desc->handle_irq(irq, desc); -diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c -index d04d3ec..ea4b374 100644 ---- a/arch/x86/kernel/irq_64.c -+++ b/arch/x86/kernel/irq_64.c -@@ -44,7 +44,7 @@ static inline void stack_overflow_check(struct pt_regs *regs) - u64 estack_top, estack_bottom; - u64 curbase = (u64)task_stack_page(current); - -- if (user_mode_vm(regs)) -+ if (user_mode(regs)) - return; - - if (regs->sp >= curbase + sizeof(struct thread_info) + -diff --git a/arch/x86/kernel/kdebugfs.c b/arch/x86/kernel/kdebugfs.c -index dc1404b..bbc43e7 100644 ---- a/arch/x86/kernel/kdebugfs.c -+++ b/arch/x86/kernel/kdebugfs.c -@@ -27,7 +27,7 @@ struct setup_data_node { - u32 len; - }; - --static ssize_t setup_data_read(struct file *file, char __user *user_buf, -+static ssize_t __size_overflow(3) setup_data_read(struct file *file, char __user *user_buf, - size_t count, loff_t *ppos) - { - struct setup_data_node *node = file->private_data; -diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c -index 836f832..a8bda67 100644 ---- a/arch/x86/kernel/kgdb.c -+++ b/arch/x86/kernel/kgdb.c -@@ -127,11 +127,11 @@ char *dbg_get_reg(int regno, void *mem, struct pt_regs *regs) - #ifdef CONFIG_X86_32 - switch (regno) { - case GDB_SS: -- if (!user_mode_vm(regs)) -+ if (!user_mode(regs)) - *(unsigned long *)mem = __KERNEL_DS; - break; - case GDB_SP: -- if (!user_mode_vm(regs)) -+ if (!user_mode(regs)) - *(unsigned long *)mem = kernel_stack_pointer(regs); - break; - case GDB_GS: -@@ -229,7 +229,10 @@ 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); -@@ -476,12 +479,12 @@ 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()); - } - -@@ -546,7 +549,7 @@ 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; -@@ -751,11 +754,11 @@ 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) -@@ -768,7 +771,7 @@ 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)) -@@ -793,13 +796,13 @@ 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 211bce4..6e2580a 100644 ---- a/arch/x86/kernel/kprobes/core.c -+++ b/arch/x86/kernel/kprobes/core.c -@@ -119,9 +119,12 @@ static void __kprobes __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'.*/ -@@ -164,7 +167,7 @@ int __kprobes 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: -@@ -238,9 +241,9 @@ __recover_probed_insn(kprobe_opcode_t *buf, unsigned long addr) - * for the first byte, we can recover the original instruction - * from it and kp->opcode. - */ -- memcpy(buf, kp->addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); -+ memcpy(buf, ktla_ktva(kp->addr), MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); - buf[0] = kp->opcode; -- return (unsigned long)buf; -+ return ktva_ktla((unsigned long)buf); - } - - /* -@@ -332,7 +335,9 @@ int __kprobes __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, insn.length); -+ pax_close_kernel(); - - #ifdef CONFIG_X86_64 - if (insn_rip_relative(&insn)) { -@@ -359,7 +364,9 @@ int __kprobes __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 insn.length; -@@ -498,7 +505,7 @@ setup_singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *k - * 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; - } -@@ -515,9 +522,9 @@ setup_singlestep(struct kprobe *p, struct pt_regs *regs, struct kprobe_ctlblk *k - 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); - } - - /* -@@ -596,7 +603,7 @@ static int __kprobes kprobe_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 -@@ -642,6 +649,9 @@ static void __used __kprobes 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 -@@ -779,7 +789,7 @@ static void __kprobes - 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; - -@@ -961,7 +971,7 @@ kprobe_exceptions_notify(struct notifier_block *self, unsigned long val, void *d - struct die_args *args = data; - int ret = NOTIFY_DONE; - -- if (args->regs && user_mode_vm(args->regs)) -+ if (args->regs && user_mode(args->regs)) - return ret; - - switch (val) { -diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c -index 76dc6f0..66bdfc3 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 __kprobes 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 __kprobes synthesize_set_arg1(kprobe_opcode_t *addr, unsigned long v - *addr++ = 0xb8; - #endif - *(unsigned long *)addr = val; -+ pax_close_kernel(); - } - - static void __used __kprobes kprobes_optinsn_template_holder(void) -@@ -338,7 +340,7 @@ int __kprobes 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) - return -ERANGE; - -@@ -353,16 +355,18 @@ int __kprobes 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, -@@ -385,7 +389,7 @@ static void __kprobes setup_optimize_kprobe(struct text_poke_param *tprm, - ((long)op->kp.addr + RELATIVEJUMP_SIZE)); - - /* 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; -@@ -483,7 +487,7 @@ 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/kvm.c b/arch/x86/kernel/kvm.c -index cd6d9a5..16245a4 100644 ---- a/arch/x86/kernel/kvm.c -+++ b/arch/x86/kernel/kvm.c -@@ -455,7 +455,7 @@ static int __cpuinit kvm_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata kvm_cpu_notifier = { -+static struct notifier_block kvm_cpu_notifier = { - .notifier_call = kvm_cpu_notify, - }; - #endif -diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c -index ebc9873..1b9724b 100644 ---- a/arch/x86/kernel/ldt.c -+++ b/arch/x86/kernel/ldt.c -@@ -66,13 +66,13 @@ 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 +94,7 @@ 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 +115,24 @@ 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) -+ cpus_clear(mm->context.cpu_user_cs_mask); -+#endif -+ -+#endif -+#endif -+ -+ } -+ - return retval; - } - -@@ -229,6 +247,13 @@ 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 -+ - fill_ldt(&ldt, &ldt_info); - if (oldmode) - ldt.avl = 0; -diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c -index 5b19e4d..6476a76 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/microcode_core.c b/arch/x86/kernel/microcode_core.c -index 22db92b..d546bec 100644 ---- a/arch/x86/kernel/microcode_core.c -+++ b/arch/x86/kernel/microcode_core.c -@@ -513,7 +513,7 @@ 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/microcode_intel.c b/arch/x86/kernel/microcode_intel.c -index 5fb2ceb..3ae90bb 100644 ---- a/arch/x86/kernel/microcode_intel.c -+++ b/arch/x86/kernel/microcode_intel.c -@@ -293,13 +293,13 @@ 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/module.c b/arch/x86/kernel/module.c -index 216a4d7..228255a 100644 ---- a/arch/x86/kernel/module.c -+++ b/arch/x86/kernel/module.c -@@ -43,15 +43,60 @@ do { \ - } while (0) - #endif - --void *module_alloc(unsigned long size) -+static inline void *__module_alloc(unsigned long size, pgprot_t prot) - { -- if (PAGE_ALIGN(size) > MODULES_LEN) -+ if (!size || PAGE_ALIGN(size) > MODULES_LEN) - return NULL; - return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, -- GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC, -+ GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, prot, - -1, __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 -+#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_free_exec(struct module *mod, void *module_region) -+{ -+ vunmap(module_region); -+} -+EXPORT_SYMBOL(module_free_exec); -+#else -+void module_free_exec(struct module *mod, void *module_region) -+{ -+ module_free(mod, module_region); -+} -+EXPORT_SYMBOL(module_free_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, -@@ -62,14 +107,16 @@ 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 -@@ -78,11 +125,15 @@ 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", -@@ -127,21 +178,30 @@ 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 ce13049..e2e9c3c 100644 ---- a/arch/x86/kernel/msr.c -+++ b/arch/x86/kernel/msr.c -@@ -233,7 +233,7 @@ static int __cpuinit 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 6030805..2d33f21 100644 ---- a/arch/x86/kernel/nmi.c -+++ b/arch/x86/kernel/nmi.c -@@ -105,7 +105,7 @@ static int __kprobes nmi_handle(unsigned int type, struct pt_regs *regs, bool b2 - return handled; - } - --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; -@@ -129,9 +129,9 @@ 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; -@@ -154,7 +154,7 @@ 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; - } - } -@@ -479,6 +479,17 @@ static inline void nmi_nesting_postprocess(void) - dotraplinkage notrace __kprobes 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 -+ - nmi_nesting_preprocess(regs); - - nmi_enter(); -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 676b8c7..870ba04 100644 ---- a/arch/x86/kernel/paravirt-spinlocks.c -+++ b/arch/x86/kernel/paravirt-spinlocks.c -@@ -13,7 +13,7 @@ default_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags) - arch_spin_lock(lock); - } - --struct pv_lock_ops pv_lock_ops = { -+struct pv_lock_ops pv_lock_ops __read_only = { - #ifdef CONFIG_SMP - .spin_is_locked = __ticket_spin_is_locked, - .spin_is_contended = __ticket_spin_is_contended, -diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c -index cd6de64..27c6af0 100644 ---- a/arch/x86/kernel/paravirt.c -+++ b/arch/x86/kernel/paravirt.c -@@ -55,6 +55,9 @@ 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) - { -@@ -147,15 +150,19 @@ 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) -+ 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) || -@@ -180,7 +187,7 @@ 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; - } -@@ -304,7 +311,7 @@ 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, -@@ -315,16 +322,16 @@ 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, - }; - --struct pv_irq_ops pv_irq_ops = { -+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), -@@ -336,7 +343,7 @@ struct pv_irq_ops pv_irq_ops = { - #endif - }; - --struct pv_cpu_ops pv_cpu_ops = { -+struct pv_cpu_ops pv_cpu_ops __read_only = { - .cpuid = native_cpuid, - .get_debugreg = native_get_debugreg, - .set_debugreg = native_set_debugreg, -@@ -394,21 +401,26 @@ struct pv_cpu_ops pv_cpu_ops = { - .end_context_switch = paravirt_nop, - }; - --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, -@@ -458,6 +470,7 @@ 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 /* PAGETABLE_LEVELS >= 3 */ - -@@ -478,6 +491,12 @@ 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/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c -index 299d493..2ccb0ee 100644 ---- a/arch/x86/kernel/pci-calgary_64.c -+++ b/arch/x86/kernel/pci-calgary_64.c -@@ -1339,7 +1339,7 @@ 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 6c483ba..d10ce2f 100644 ---- a/arch/x86/kernel/pci-swiotlb.c -+++ b/arch/x86/kernel/pci-swiotlb.c -@@ -32,7 +32,7 @@ static void x86_swiotlb_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_addr, - struct dma_attrs *attrs) - { -- swiotlb_free_coherent(dev, size, vaddr, dma_addr); -+ swiotlb_free_coherent(dev, size, vaddr, dma_addr, attrs); - } - - static struct dma_map_ops swiotlb_dma_ops = { -diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c -index 81a5f5e..20f8b58 100644 ---- a/arch/x86/kernel/process.c -+++ b/arch/x86/kernel/process.c -@@ -36,7 +36,8 @@ - * section. Since TSS's are completely CPU-local, we want them - * on exact cacheline boundaries, to eliminate cacheline ping-pong. - */ --DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS; -+struct tss_struct init_tss[NR_CPUS] ____cacheline_internodealigned_in_smp = { [0 ... NR_CPUS-1] = INIT_TSS }; -+EXPORT_SYMBOL(init_tss); - - #ifdef CONFIG_X86_64 - static DEFINE_PER_CPU(unsigned char, is_idle); -@@ -92,7 +93,7 @@ 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); - } - - /* -@@ -105,7 +106,7 @@ void exit_thread(void) - unsigned long *bp = t->io_bitmap_ptr; - - if (bp) { -- struct tss_struct *tss = &per_cpu(init_tss, get_cpu()); -+ struct tss_struct *tss = init_tss + get_cpu(); - - t->io_bitmap_ptr = NULL; - clear_thread_flag(TIF_IO_BITMAP); -@@ -125,6 +126,9 @@ 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)); - drop_init_fpu(tsk); -@@ -271,7 +275,7 @@ 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(); - } -@@ -327,7 +331,7 @@ 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(); - /* -@@ -456,16 +460,37 @@ static int __init idle_setup(char *str) - } - early_param("idle", idle_setup); - --unsigned long arch_align_stack(unsigned long sp) -+#ifdef CONFIG_PAX_RANDKSTACK -+void pax_randomize_kstack(struct pt_regs *regs) - { -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() % 8192; -- return sp & ~0xf; --} -+ struct thread_struct *thread = &current->thread; -+ unsigned long time; - --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; --} -+ 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(init_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 7305f7d..22f73d6 100644 ---- a/arch/x86/kernel/process_32.c -+++ b/arch/x86/kernel/process_32.c -@@ -65,6 +65,7 @@ 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) -@@ -74,19 +75,18 @@ void __show_regs(struct pt_regs *regs, int all) - unsigned long sp; - unsigned short ss, gs; - -- if (user_mode_vm(regs)) { -+ 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", -@@ -128,20 +128,21 @@ 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); - - 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; -@@ -248,7 +249,7 @@ __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(init_tss, cpu); -+ struct tss_struct *tss = init_tss + cpu; - fpu_switch_t fpu; - - /* never put a printk in __switch_to... printk() calls wake_up*() indirectly */ -@@ -272,6 +273,10 @@ __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. - */ -@@ -302,6 +307,9 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - */ - arch_end_context_switch(next_p); - -+ this_cpu_write(current_task, next_p); -+ this_cpu_write(current_tinfo, &next_p->tinfo); -+ - /* - * Restore %gs if needed (which is common) - */ -@@ -310,8 +318,6 @@ __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; - } - -@@ -341,4 +347,3 @@ 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 355ae06..560fbbe 100644 ---- a/arch/x86/kernel/process_64.c -+++ b/arch/x86/kernel/process_64.c -@@ -151,10 +151,11 @@ 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->thread.usersp = me->thread.usersp; -+ p->tinfo.lowest_stack = (unsigned long)task_stack_page(p); - set_tsk_thread_flag(p, TIF_FORK); - p->fpu_counter = 0; - p->thread.io_bitmap_ptr = NULL; -@@ -165,6 +166,8 @@ 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)) { -@@ -273,7 +276,7 @@ __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(init_tss, cpu); -+ struct tss_struct *tss = init_tss + cpu; - unsigned fsindex, gsindex; - fpu_switch_t fpu; - -@@ -296,6 +299,9 @@ __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); - - /* We must save %fs and %gs before load_TLS() because - * %fs and %gs may be cleared by load_TLS(). -@@ -355,10 +361,9 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - prev->usersp = this_cpu_read(old_rsp); - this_cpu_write(old_rsp, next->usersp); - this_cpu_write(current_task, next_p); -+ this_cpu_write(current_tinfo, &next_p->tinfo); - -- this_cpu_write(kernel_stack, -- (unsigned long)task_stack_page(next_p) + -- THREAD_SIZE - KERNEL_STACK_OFFSET); -+ this_cpu_write(kernel_stack, next->sp0); - - /* - * Now maybe reload the debug registers and handle I/O bitmaps -@@ -427,12 +432,11 @@ 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 29a8120..a50b5ee 100644 ---- a/arch/x86/kernel/ptrace.c -+++ b/arch/x86/kernel/ptrace.c -@@ -184,14 +184,13 @@ unsigned long kernel_stack_pointer(struct pt_regs *regs) - { - unsigned long context = (unsigned long)regs & ~(THREAD_SIZE - 1); - unsigned long sp = (unsigned long)&regs->sp; -- struct thread_info *tinfo; - -- if (context == (sp & ~(THREAD_SIZE - 1))) -+ if (context == ((sp + 8) & ~(THREAD_SIZE - 1))) - return sp; - -- tinfo = (struct thread_info *)context; -- if (tinfo->previous_esp) -- return tinfo->previous_esp; -+ sp = *(unsigned long *)context; -+ if (sp) -+ return sp; - - return (unsigned long)regs; - } -@@ -588,7 +587,7 @@ 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++) { -@@ -856,7 +855,7 @@ 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. */ -@@ -941,14 +940,14 @@ 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 - -@@ -1326,7 +1325,7 @@ 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), -@@ -1367,7 +1366,7 @@ 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), -@@ -1420,7 +1419,7 @@ 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); -@@ -1455,7 +1454,7 @@ 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_vm(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, -@@ -1484,6 +1483,10 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, - # define IS_IA32 0 - #endif - -+#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. -@@ -1494,6 +1497,11 @@ long syscall_trace_enter(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 -+ - /* - * If we stepped into a sysenter/syscall insn, it trapped in - * kernel mode; do_debug() cleared TF and set TIF_SINGLESTEP. -@@ -1549,6 +1557,11 @@ 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 2cb9470..ff1fd80 100644 ---- a/arch/x86/kernel/pvclock.c -+++ b/arch/x86/kernel/pvclock.c -@@ -43,11 +43,11 @@ unsigned long pvclock_tsc_khz(struct pvclock_vcpu_time_info *src) - return pv_tsc_khz; - } - --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) -@@ -92,11 +92,11 @@ 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 76fa1e9..abf09ea 100644 ---- a/arch/x86/kernel/reboot.c -+++ b/arch/x86/kernel/reboot.c -@@ -36,7 +36,7 @@ void (*pm_power_off)(void); - EXPORT_SYMBOL(pm_power_off); - - static const struct desc_ptr no_idt = {}; --static int reboot_mode; -+static unsigned short reboot_mode; - enum reboot_type reboot_type = BOOT_ACPI; - int reboot_force; - -@@ -157,6 +157,11 @@ 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(); - - /* -@@ -184,7 +189,29 @@ 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 -@@ -531,7 +558,7 @@ void __attribute__((weak)) mach_reboot_fixups(void) - * try to force a triple fault and then cycle between hitting the keyboard - * controller and doing that - */ --static void native_machine_emergency_restart(void) -+static void __noreturn native_machine_emergency_restart(void) - { - int i; - int attempt = 0; -@@ -654,13 +681,13 @@ 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"); - -@@ -669,7 +696,7 @@ 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(); -@@ -679,7 +706,7 @@ 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) -@@ -688,9 +715,10 @@ 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 f2bb9c9..bed145d7 100644 ---- a/arch/x86/kernel/relocate_kernel_64.S -+++ b/arch/x86/kernel/relocate_kernel_64.S -@@ -11,6 +11,7 @@ - #include <asm/kexec.h> - #include <asm/processor-flags.h> - #include <asm/pgtable_types.h> -+#include <asm/alternative-asm.h> - - /* - * Must be relocatable PIC code callable as a C function -@@ -167,6 +168,7 @@ identity_mapped: - xorq %r14, %r14 - xorq %r15, %r15 - -+ pax_force_retaddr 0, 1 - ret - - 1: -diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c -index 56f7fcf..2cfe4f1 100644 ---- a/arch/x86/kernel/setup.c -+++ b/arch/x86/kernel/setup.c -@@ -110,6 +110,7 @@ - #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 -@@ -205,12 +206,50 @@ EXPORT_SYMBOL(boot_cpu_data); - #endif - - --#if !defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64) --unsigned long mmu_cr4_features; -+#ifdef CONFIG_X86_64 -+unsigned long mmu_cr4_features __read_only = X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE; -+#elif defined(CONFIG_X86_PAE) -+unsigned long mmu_cr4_features __read_only = X86_CR4_PAE; - #else --unsigned long mmu_cr4_features = X86_CR4_PAE; -+unsigned long mmu_cr4_features __read_only; - #endif - -+void set_in_cr4(unsigned long mask) -+{ -+ unsigned long cr4 = read_cr4(); -+ -+ if ((cr4 & mask) == mask && cr4 == mmu_cr4_features) -+ return; -+ -+ pax_open_kernel(); -+ mmu_cr4_features |= mask; -+ pax_close_kernel(); -+ -+ if (trampoline_cr4_features) -+ *trampoline_cr4_features = mmu_cr4_features; -+ cr4 |= mask; -+ write_cr4(cr4); -+} -+EXPORT_SYMBOL(set_in_cr4); -+ -+void clear_in_cr4(unsigned long mask) -+{ -+ unsigned long cr4 = read_cr4(); -+ -+ if (!(cr4 & mask) && cr4 == mmu_cr4_features) -+ return; -+ -+ pax_open_kernel(); -+ mmu_cr4_features &= ~mask; -+ pax_close_kernel(); -+ -+ if (trampoline_cr4_features) -+ *trampoline_cr4_features = mmu_cr4_features; -+ cr4 &= ~mask; -+ write_cr4(cr4); -+} -+EXPORT_SYMBOL(clear_in_cr4); -+ - /* Boot loader ID and version as integers, for the benefit of proc_dointvec */ - int bootloader_type, bootloader_version; - -@@ -444,7 +483,7 @@ static void __init parse_setup_data(void) - - switch (data->type) { - case SETUP_E820_EXT: -- parse_e820_ext(data); -+ parse_e820_ext((struct setup_data __force_kernel *)data); - break; - case SETUP_DTB: - add_dtb(pa_data); -@@ -771,7 +810,7 @@ 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 +818,7 @@ 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; - - /* -@@ -841,8 +880,12 @@ static void __init trim_low_memory_range(void) - - void __init setup_arch(char **cmdline_p) - { -+#ifdef CONFIG_X86_32 -+ memblock_reserve(LOAD_PHYSICAL_ADDR, __pa_symbol(__bss_stop) - LOAD_PHYSICAL_ADDR); -+#else - memblock_reserve(__pa_symbol(_text), - (unsigned long)__bss_stop - (unsigned long)_text); -+#endif - - early_reserve_initrd(); - -@@ -934,14 +977,14 @@ 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; - -- 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 5cdff03..80fa283 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(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 6956299..18126ec4 100644 ---- a/arch/x86/kernel/signal.c -+++ b/arch/x86/kernel/signal.c -@@ -196,7 +196,7 @@ 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 -@@ -304,9 +304,9 @@ __setup_frame(int sig, struct ksignal *ksig, sigset_t *set, - } - - if (current->mm->context.vdso) -- restorer = VDSO32_SYMBOL(current->mm->context.vdso, sigreturn); -+ restorer = (__force void __user *)VDSO32_SYMBOL(current->mm->context.vdso, sigreturn); - else -- restorer = &frame->retcode; -+ restorer = (void __user *)&frame->retcode; - if (ksig->ka.sa.sa_flags & SA_RESTORER) - restorer = ksig->ka.sa.sa_restorer; - -@@ -320,7 +320,7 @@ __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; -@@ -364,10 +364,13 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, - else - put_user_ex(0, &frame->uc.uc_flags); - put_user_ex(0, &frame->uc.uc_link); -- err |= __save_altstack(&frame->uc.uc_stack, regs->sp); -+ __save_altstack_ex(&frame->uc.uc_stack, regs->sp); - - /* Set up to return from userspace. */ -- restorer = VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn); -+ if (current->mm->context.vdso) -+ restorer = (__force void __user *)VDSO32_SYMBOL(current->mm->context.vdso, 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); -@@ -379,7 +382,7 @@ 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); -@@ -429,7 +432,7 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, - else - put_user_ex(0, &frame->uc.uc_flags); - put_user_ex(0, &frame->uc.uc_link); -- err |= __save_altstack(&frame->uc.uc_stack, regs->sp); -+ __save_altstack_ex(&frame->uc.uc_stack, regs->sp); - - /* Set up to return from userspace. If provided, use a stub - already in userspace. */ -@@ -615,7 +618,12 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs) - { - int usig = signr_convert(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()) { -@@ -626,7 +634,7 @@ 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 48d2b7d..90d328a 100644 ---- a/arch/x86/kernel/smp.c -+++ b/arch/x86/kernel/smp.c -@@ -285,7 +285,7 @@ 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 bfd348e..914f323 100644 ---- a/arch/x86/kernel/smpboot.c -+++ b/arch/x86/kernel/smpboot.c -@@ -251,14 +251,18 @@ notrace static void __cpuinit start_secondary(void *unused) - - enable_start_cpu0 = 0; - --#ifdef CONFIG_X86_32 -- /* switch away from the initial page table */ -- load_cr3(swapper_pg_dir); -- __flush_tlb_all(); --#endif -- - /* 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)); -+ __flush_tlb_all(); -+#elif defined(CONFIG_X86_32) -+ load_cr3(swapper_pg_dir); -+ __flush_tlb_all(); -+#endif -+ - /* - * Check TSC synchronization with the BP: - */ -@@ -748,6 +752,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle) - idle->thread.sp = (unsigned long) (((struct pt_regs *) - (THREAD_SIZE + task_stack_page(idle))) - 1); - 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 */ -@@ -755,11 +760,13 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu, struct task_struct *idle) - #else - clear_tsk_thread_flag(idle, TIF_FORK); - initial_gs = per_cpu_offset(cpu); -- per_cpu(kernel_stack, cpu) = -- (unsigned long)task_stack_page(idle) - -- KERNEL_STACK_OFFSET + THREAD_SIZE; -+ per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE; - #endif -+ -+ 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; - -@@ -908,6 +915,15 @@ int __cpuinit native_cpu_up(unsigned int cpu, struct task_struct *tidle) - /* the FPU context is blank, nobody can own it */ - __cpu_disable_lazy_restore(cpu); - -+#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_debug("do_boot_cpu failed %d\n", err); -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 30277e2..5664a29 100644 ---- a/arch/x86/kernel/sys_x86_64.c -+++ b/arch/x86/kernel/sys_x86_64.c -@@ -81,8 +81,8 @@ 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; -@@ -101,7 +101,7 @@ 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; - } - } -@@ -114,20 +114,24 @@ 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; - } - -@@ -137,6 +141,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.high_limit = end; - info.align_mask = filp ? get_align_mask() : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -@@ -149,6 +154,7 @@ 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) -@@ -161,12 +167,15 @@ 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; - } - -@@ -176,6 +185,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - 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; -diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c -index f84fe00..f41d9f1 100644 ---- a/arch/x86/kernel/tboot.c -+++ b/arch/x86/kernel/tboot.c -@@ -220,7 +220,7 @@ static int tboot_setup_sleep(void) - - void tboot_shutdown(u32 shutdown_type) - { -- void (*shutdown)(void); -+ void (* __noreturn shutdown)(void); - - if (!tboot_enabled()) - return; -@@ -242,7 +242,7 @@ void tboot_shutdown(u32 shutdown_type) - - switch_to_tboot_pt(); - -- shutdown = (void(*)(void))(unsigned long)tboot->shutdown_entry; -+ shutdown = (void *)tboot->shutdown_entry; - shutdown(); - - /* should not reach here */ -@@ -300,7 +300,7 @@ static int tboot_sleep(u8 sleep_state, u32 pm1a_control, u32 pm1b_control) - return 0; - } - --static atomic_t ap_wfs_count; -+static atomic_unchecked_t ap_wfs_count; - - static int tboot_wait_for_aps(int num_aps) - { -@@ -324,16 +324,16 @@ static int __cpuinit tboot_cpu_callback(struct notifier_block *nfb, - { - 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; - } - return NOTIFY_OK; - } - --static struct notifier_block tboot_cpu_notifier __cpuinitdata = -+static struct notifier_block tboot_cpu_notifier = - { - .notifier_call = tboot_cpu_callback, - }; -@@ -345,7 +345,7 @@ 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); - - acpi_os_set_prepare_sleep(&tboot_sleep); -diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c -index 24d3c91..d06b473 100644 ---- a/arch/x86/kernel/time.c -+++ b/arch/x86/kernel/time.c -@@ -30,9 +30,9 @@ unsigned long profile_pc(struct pt_regs *regs) - { - unsigned long pc = instruction_pointer(regs); - -- if (!user_mode_vm(regs) && in_lock_functions(pc)) { -+ 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 f7fec09..9991981 100644 ---- a/arch/x86/kernel/tls.c -+++ b/arch/x86/kernel/tls.c -@@ -84,6 +84,11 @@ 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; -@@ -200,7 +205,7 @@ 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/traps.c b/arch/x86/kernel/traps.c -index 772e2a8..bad5bf6 100644 ---- a/arch/x86/kernel/traps.c -+++ b/arch/x86/kernel/traps.c -@@ -68,12 +68,6 @@ - #include <asm/setup.h> - - asmlinkage int system_call(void); -- --/* -- * The IDT has to be page-aligned to simplify the Pentium -- * F0 0F bug workaround. -- */ --gate_desc idt_table[NR_VECTORS] __page_aligned_data = { { { { 0, 0 } } }, }; - #endif - - DECLARE_BITMAP(used_vectors, NR_VECTORS); -@@ -106,11 +100,11 @@ static inline void preempt_conditional_cli(struct pt_regs *regs) - } - - static int __kprobes --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) - { - #ifdef CONFIG_X86_32 -- if (regs->flags & X86_VM_MASK) { -+ if (v8086_mode(regs)) { - /* - * Traps 0, 1, 3, 4, and 5 should be forwarded to vm86. - * On nmi (interrupt 2), do_trap should not be called. -@@ -123,12 +117,24 @@ do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, - return -1; - } - #endif -- if (!user_mode(regs)) { -+ if (!user_mode_novm(regs)) { - 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 == 12 && ((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 == 4) -+ pax_report_refcount_overflow(regs); -+#endif -+ - return 0; - } - -@@ -136,7 +142,7 @@ do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, - } - - static void __kprobes --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; -@@ -160,7 +166,7 @@ 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"); -@@ -273,7 +279,7 @@ do_general_protection(struct pt_regs *regs, long error_code) - conditional_sti(regs); - - #ifdef CONFIG_X86_32 -- if (regs->flags & X86_VM_MASK) { -+ if (v8086_mode(regs)) { - local_irq_enable(); - handle_vm86_fault((struct kernel_vm86_regs *) regs, error_code); - goto exit; -@@ -281,18 +287,42 @@ do_general_protection(struct pt_regs *regs, long error_code) - #endif - - tsk = current; -- if (!user_mode(regs)) { -+ if (!user_mode_novm(regs)) { - if (fixup_exception(regs)) - goto exit; - - 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; - -@@ -450,7 +480,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) - /* It's safe to allow irq's after DR6 has been saved */ - preempt_conditional_sti(regs); - -- if (regs->flags & X86_VM_MASK) { -+ if (v8086_mode(regs)) { - handle_vm86_trap((struct kernel_vm86_regs *) regs, error_code, - X86_TRAP_DB); - preempt_conditional_cli(regs); -@@ -465,7 +495,7 @@ dotraplinkage void __kprobes do_debug(struct pt_regs *regs, long error_code) - * We already checked v86 mode above, so we can check for kernel mode - * by just checking the CPL of CS. - */ -- if ((dr6 & DR_STEP) && !user_mode(regs)) { -+ if ((dr6 & DR_STEP) && !user_mode_novm(regs)) { - tsk->thread.debugreg6 &= ~DR_STEP; - set_tsk_thread_flag(tsk, TIF_SINGLESTEP); - regs->flags &= ~X86_EFLAGS_TF; -@@ -497,7 +527,7 @@ void math_error(struct pt_regs *regs, int error_code, int trapnr) - return; - conditional_sti(regs); - -- if (!user_mode_vm(regs)) -+ if (!user_mode(regs)) - { - if (!fixup_exception(regs)) { - task->thread.error_code = error_code; -diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c -index 2ed8459..7cf329f 100644 ---- a/arch/x86/kernel/uprobes.c -+++ b/arch/x86/kernel/uprobes.c -@@ -629,7 +629,7 @@ int arch_uprobe_exception_notify(struct notifier_block *self, unsigned long val, - int ret = NOTIFY_DONE; - - /* We are only interested in userspace traps */ -- if (regs && !user_mode_vm(regs)) -+ if (regs && !user_mode(regs)) - return NOTIFY_DONE; - - switch (val) { -@@ -719,7 +719,7 @@ arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs - - if (ncopied != 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 e8edcf5..27f9344 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(init_tss, get_cpu()); -+ tss = init_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(init_tss, get_cpu()); -+ tss = init_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 10c4f30..57377c2 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 +124,48 @@ 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) { -+ *(.idt) -+ . = 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 +177,20 @@ 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) - -@@ -172,12 +231,19 @@ SECTIONS - #endif /* CONFIG_X86_64 */ - - /* 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 -@@ -186,12 +252,27 @@ SECTIONS - PERCPU_VADDR(INTERNODE_CACHE_BYTES, 0, :percpu) - #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 -+ VMLINUX_SYMBOL(_einittext) = .; -+ . = 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 -+ . = 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 = .; -@@ -253,19 +334,12 @@ 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 - -@@ -284,16 +358,10 @@ 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) { -@@ -309,6 +377,7 @@ SECTIONS - __brk_base = .; - . += 64 * 1024; /* 64k alignment slop space */ - *(.brk_reservation) /* areas brk users have reserved */ -+ . = ALIGN(HPAGE_SIZE); - __brk_limit = .; - } - -@@ -335,13 +404,12 @@ 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 9a907a6..f83f921 100644 ---- a/arch/x86/kernel/vsyscall_64.c -+++ b/arch/x86/kernel/vsyscall_64.c -@@ -56,15 +56,13 @@ - DEFINE_VVAR(int, vgetcpu_mode); - DEFINE_VVAR(struct vsyscall_gtod_data, vsyscall_gtod_data); - --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 -@@ -323,8 +321,7 @@ do_ret: - return true; - - sigsegv: -- force_sig(SIGSEGV, current); -- return true; -+ do_group_exit(SIGKILL); - } - - /* -@@ -377,10 +374,7 @@ void __init map_vsyscall(void) - extern char __vvar_page; - unsigned long physaddr_vvar_page = __pa_symbol(&__vvar_page); - -- __set_fixmap(VSYSCALL_FIRST_PAGE, physaddr_vsyscall, -- vsyscall_mode == NATIVE -- ? PAGE_KERNEL_VSYSCALL -- : PAGE_KERNEL_VVAR); -+ __set_fixmap(VSYSCALL_FIRST_PAGE, physaddr_vsyscall, PAGE_KERNEL_VVAR); - BUILD_BUG_ON((unsigned long)__fix_to_virt(VSYSCALL_FIRST_PAGE) != - (unsigned long)VSYSCALL_START); - -diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c -index b014d94..e775258 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); -@@ -66,3 +64,7 @@ EXPORT_SYMBOL(empty_zero_page); - #ifndef CONFIG_PARAVIRT - EXPORT_SYMBOL(native_load_gs_index); - #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 45a14db..075bb9b 100644 ---- a/arch/x86/kernel/x86_init.c -+++ b/arch/x86/kernel/x86_init.c -@@ -85,7 +85,7 @@ struct x86_init_ops x86_init __initdata = { - }, - }; - --struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = { -+struct x86_cpuinit_ops x86_cpuinit __cpuinitconst = { - .early_percpu_clock_init = x86_init_noop, - .setup_percpu_clockev = setup_secondary_APIC_clock, - }; -@@ -93,7 +93,7 @@ struct x86_cpuinit_ops x86_cpuinit __cpuinitdata = { - 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, -@@ -107,7 +107,7 @@ struct x86_platform_ops x86_platform = { - }; - - EXPORT_SYMBOL_GPL(x86_platform); --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, -@@ -116,7 +116,7 @@ struct x86_msi_ops x86_msi = { - .setup_hpet_msi = default_setup_hpet_msi, - }; - --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 ada87a3..afea76d 100644 ---- a/arch/x86/kernel/xsave.c -+++ b/arch/x86/kernel/xsave.c -@@ -199,6 +199,7 @@ 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()) -@@ -311,6 +312,7 @@ 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 a20ecb5..d0e2194 100644 ---- a/arch/x86/kvm/cpuid.c -+++ b/arch/x86/kvm/cpuid.c -@@ -124,15 +124,20 @@ 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); -@@ -147,15 +152,19 @@ 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 5953dce..f11a7d2 100644 ---- a/arch/x86/kvm/emulate.c -+++ b/arch/x86/kvm/emulate.c -@@ -329,6 +329,7 @@ static void invalidate_registers(struct x86_emulate_ctxt *ctxt) - - #define ____emulate_2op(ctxt, _op, _x, _y, _suffix, _dsttype) \ - do { \ -+ unsigned long _tmp; \ - __asm__ __volatile__ ( \ - _PRE_EFLAGS("0", "4", "2") \ - _op _suffix " %"_x"3,%1; " \ -@@ -343,8 +344,6 @@ static void invalidate_registers(struct x86_emulate_ctxt *ctxt) - /* Raw emulation: instruction has two explicit operands. */ - #define __emulate_2op_nobyte(ctxt,_op,_wx,_wy,_lx,_ly,_qx,_qy) \ - do { \ -- unsigned long _tmp; \ -- \ - switch ((ctxt)->dst.bytes) { \ - case 2: \ - ____emulate_2op(ctxt,_op,_wx,_wy,"w",u16); \ -@@ -360,7 +359,6 @@ static void invalidate_registers(struct x86_emulate_ctxt *ctxt) - - #define __emulate_2op(ctxt,_op,_bx,_by,_wx,_wy,_lx,_ly,_qx,_qy) \ - do { \ -- unsigned long _tmp; \ - switch ((ctxt)->dst.bytes) { \ - case 1: \ - ____emulate_2op(ctxt,_op,_bx,_by,"b",u8); \ -diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c -index 0eee2c8..94a32c3 100644 ---- a/arch/x86/kvm/lapic.c -+++ b/arch/x86/kvm/lapic.c -@@ -55,7 +55,7 @@ - #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 da20860..d19fdf5 100644 ---- a/arch/x86/kvm/paging_tmpl.h -+++ b/arch/x86/kvm/paging_tmpl.h -@@ -208,7 +208,7 @@ 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 a14a6ea..dc86cf0 100644 ---- a/arch/x86/kvm/svm.c -+++ b/arch/x86/kvm/svm.c -@@ -3493,7 +3493,11 @@ 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(); - } - -@@ -3894,6 +3898,10 @@ 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 5402c94..c3bdeee 100644 ---- a/arch/x86/kvm/vmx.c -+++ b/arch/x86/kvm/vmx.c -@@ -1311,12 +1311,12 @@ 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); - } -@@ -1517,7 +1517,11 @@ 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(); - } - -@@ -1741,6 +1745,10 @@ 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; -@@ -2935,8 +2943,11 @@ static __init int hardware_setup(void) - if (!cpu_has_vmx_flexpriority()) - flexpriority_enabled = 0; - -- 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(); -@@ -2947,13 +2958,15 @@ 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->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->deliver_posted_interrupt = NULL; -+ *(void **)&kvm_x86_ops->sync_pir_to_irr = vmx_sync_pir_to_irr_dummy; - } -+ pax_close_kernel(); - - if (nested) - nested_vmx_setup_ctls_msrs(); -@@ -4076,7 +4089,10 @@ static void vmx_set_constant_host_state(struct vcpu_vmx *vmx) - - vmcs_writel(HOST_CR0, read_cr0() & ~X86_CR0_TS); /* 22.2.3 */ - vmcs_writel(HOST_CR4, read_cr4()); /* 22.2.3, 22.2.5 */ -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */ -+#endif - - vmcs_write16(HOST_CS_SELECTOR, __KERNEL_CS); /* 22.2.4 */ - #ifdef CONFIG_X86_64 -@@ -4098,7 +4114,7 @@ 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); -@@ -7030,6 +7046,12 @@ 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" -@@ -7082,6 +7104,11 @@ 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" -@@ -7095,7 +7122,7 @@ 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. -@@ -7104,8 +7131,18 @@ 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 e8ba99c..ee9d7d9 100644 ---- a/arch/x86/kvm/x86.c -+++ b/arch/x86/kvm/x86.c -@@ -1725,8 +1725,8 @@ 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; -@@ -2609,6 +2609,8 @@ 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; -@@ -5297,7 +5299,7 @@ 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 = (struct kvm_x86_ops *)opaque; -diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c -index 7114c63..a1018fc 100644 ---- a/arch/x86/lguest/boot.c -+++ b/arch/x86/lguest/boot.c -@@ -1201,9 +1201,10 @@ 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 f5cc9eb..51fa319 100644 ---- a/arch/x86/lib/atomic64_cx8_32.S -+++ b/arch/x86/lib/atomic64_cx8_32.S -@@ -35,10 +35,20 @@ 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 - -@@ -48,10 +58,25 @@ 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 - -@@ -60,12 +85,13 @@ 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 - SAVE ebp - SAVE ebx -@@ -82,27 +108,44 @@ 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 -+ - RESTORE edi - RESTORE esi - RESTORE ebx - RESTORE 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 - SAVE ebx - -@@ -112,21 +155,39 @@ 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 -+ - RESTORE 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 -@@ -138,6 +199,13 @@ 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) -@@ -147,6 +215,7 @@ ENTRY(atomic64_dec_if_positive_cx8) - movl %ebx, %eax - movl %ecx, %edx - RESTORE ebx -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(atomic64_dec_if_positive_cx8) -@@ -171,6 +240,13 @@ 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 -@@ -181,6 +257,7 @@ ENTRY(atomic64_add_unless_cx8) - CFI_ADJUST_CFA_OFFSET -8 - RESTORE ebx - RESTORE ebp -+ pax_force_retaddr - ret - 4: - cmpl %edx, 4(%esp) -@@ -203,6 +280,13 @@ 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 -@@ -210,6 +294,7 @@ ENTRY(atomic64_inc_not_zero_cx8) - movl $1, %eax - 3: - RESTORE 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 e78b8ee..7e173a8 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 - */ -@@ -293,9 +294,24 @@ 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 %edi -@@ -317,7 +333,7 @@ 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 -@@ -329,30 +345,30 @@ 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 -@@ -366,7 +382,7 @@ 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 -@@ -378,12 +394,12 @@ 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: -@@ -394,7 +410,7 @@ 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 -@@ -407,11 +423,15 @@ 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 %ebx - CFI_RESTORE ebx - popl_cfi %esi -@@ -421,26 +441,43 @@ DST( movb %cl, (%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 %ebx - CFI_REL_OFFSET ebx, 0 - pushl_cfi %edi -@@ -461,7 +498,7 @@ 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 -@@ -482,19 +519,19 @@ 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 -@@ -502,10 +539,17 @@ 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 %esi - CFI_RESTORE esi - popl_cfi %edi -@@ -514,7 +558,7 @@ DST( movb %dl, (%edi) ) - CFI_RESTORE 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 f2145cf..cea889d 100644 ---- a/arch/x86/lib/clear_page_64.S -+++ b/arch/x86/lib/clear_page_64.S -@@ -11,6 +11,7 @@ ENTRY(clear_page_c) - movl $4096/8,%ecx - xorl %eax,%eax - rep stosq -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(clear_page_c) -@@ -20,6 +21,7 @@ ENTRY(clear_page_c_e) - movl $4096,%ecx - xorl %eax,%eax - rep stosb -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(clear_page_c_e) -@@ -43,6 +45,7 @@ ENTRY(clear_page) - leaq 64(%rdi),%rdi - jnz .Lloop - nop -+ pax_force_retaddr - ret - CFI_ENDPROC - .Lclear_page_end: -@@ -58,7 +61,7 @@ ENDPROC(clear_page) - - #include <asm/cpufeature.h> - -- .section .altinstr_replacement,"ax" -+ .section .altinstr_replacement,"a" - 1: .byte 0xeb /* jmp <disp8> */ - .byte (clear_page_c - clear_page) - (2f - 1b) /* offset */ - 2: .byte 0xeb /* jmp <disp8> */ -diff --git a/arch/x86/lib/cmpxchg16b_emu.S b/arch/x86/lib/cmpxchg16b_emu.S -index 1e572c5..2a162cd 100644 ---- a/arch/x86/lib/cmpxchg16b_emu.S -+++ b/arch/x86/lib/cmpxchg16b_emu.S -@@ -53,11 +53,13 @@ this_cpu_cmpxchg16b_emu: - - popf - mov $1, %al -+ pax_force_retaddr - ret - - not_same: - popf - 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 176cca6..1166c50 100644 ---- a/arch/x86/lib/copy_page_64.S -+++ b/arch/x86/lib/copy_page_64.S -@@ -9,6 +9,7 @@ copy_page_rep: - CFI_STARTPROC - movl $4096/8, %ecx - rep movsq -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(copy_page_rep) -@@ -20,12 +21,14 @@ ENDPROC(copy_page_rep) - - ENTRY(copy_page) - CFI_STARTPROC -- subq $2*8, %rsp -- CFI_ADJUST_CFA_OFFSET 2*8 -+ subq $3*8, %rsp -+ CFI_ADJUST_CFA_OFFSET 3*8 - movq %rbx, (%rsp) - CFI_REL_OFFSET rbx, 0 - movq %r12, 1*8(%rsp) - CFI_REL_OFFSET r12, 1*8 -+ movq %r13, 2*8(%rsp) -+ CFI_REL_OFFSET r13, 2*8 - - movl $(4096/64)-5, %ecx - .p2align 4 -@@ -36,7 +39,7 @@ ENTRY(copy_page) - movq 0x8*2(%rsi), %rdx - movq 0x8*3(%rsi), %r8 - movq 0x8*4(%rsi), %r9 -- movq 0x8*5(%rsi), %r10 -+ movq 0x8*5(%rsi), %r13 - movq 0x8*6(%rsi), %r11 - movq 0x8*7(%rsi), %r12 - -@@ -47,7 +50,7 @@ ENTRY(copy_page) - movq %rdx, 0x8*2(%rdi) - movq %r8, 0x8*3(%rdi) - movq %r9, 0x8*4(%rdi) -- movq %r10, 0x8*5(%rdi) -+ movq %r13, 0x8*5(%rdi) - movq %r11, 0x8*6(%rdi) - movq %r12, 0x8*7(%rdi) - -@@ -66,7 +69,7 @@ ENTRY(copy_page) - movq 0x8*2(%rsi), %rdx - movq 0x8*3(%rsi), %r8 - movq 0x8*4(%rsi), %r9 -- movq 0x8*5(%rsi), %r10 -+ movq 0x8*5(%rsi), %r13 - movq 0x8*6(%rsi), %r11 - movq 0x8*7(%rsi), %r12 - -@@ -75,7 +78,7 @@ ENTRY(copy_page) - movq %rdx, 0x8*2(%rdi) - movq %r8, 0x8*3(%rdi) - movq %r9, 0x8*4(%rdi) -- movq %r10, 0x8*5(%rdi) -+ movq %r13, 0x8*5(%rdi) - movq %r11, 0x8*6(%rdi) - movq %r12, 0x8*7(%rdi) - -@@ -87,8 +90,11 @@ ENTRY(copy_page) - CFI_RESTORE rbx - movq 1*8(%rsp), %r12 - CFI_RESTORE r12 -- addq $2*8, %rsp -- CFI_ADJUST_CFA_OFFSET -2*8 -+ movq 2*8(%rsp), %r13 -+ CFI_RESTORE r13 -+ addq $3*8, %rsp -+ CFI_ADJUST_CFA_OFFSET -3*8 -+ pax_force_retaddr - ret - .Lcopy_page_end: - CFI_ENDPROC -@@ -99,7 +105,7 @@ ENDPROC(copy_page) - - #include <asm/cpufeature.h> - -- .section .altinstr_replacement,"ax" -+ .section .altinstr_replacement,"a" - 1: .byte 0xeb /* jmp <disp8> */ - .byte (copy_page_rep - copy_page) - (2f - 1b) /* offset */ - 2: -diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S -index a30ca15..6b3f4e1 100644 ---- a/arch/x86/lib/copy_user_64.S -+++ b/arch/x86/lib/copy_user_64.S -@@ -18,31 +18,7 @@ - #include <asm/alternative-asm.h> - #include <asm/asm.h> - #include <asm/smap.h> -- --/* -- * By placing feature2 after feature1 in altinstructions section, we logically -- * implement: -- * If CPU has feature2, jmp to alt2 is used -- * else if CPU has feature1, jmp to alt1 is used -- * else jmp to orig is used. -- */ -- .macro ALTERNATIVE_JUMP feature1,feature2,orig,alt1,alt2 --0: -- .byte 0xe9 /* 32bit jump */ -- .long \orig-1f /* by default jump to orig */ --1: -- .section .altinstr_replacement,"ax" --2: .byte 0xe9 /* near jump with 32bit immediate */ -- .long \alt1-1b /* offset */ /* or alternatively to alt1 */ --3: .byte 0xe9 /* near jump with 32bit immediate */ -- .long \alt2-1b /* offset */ /* or alternatively to alt2 */ -- .previous -- -- .section .altinstructions,"a" -- altinstruction_entry 0b,2b,\feature1,5,5 -- altinstruction_entry 0b,3b,\feature2,5,5 -- .previous -- .endm -+#include <asm/pgtable.h> - - .macro ALIGN_DESTINATION - #ifdef FIX_ALIGNMENT -@@ -70,52 +46,6 @@ - #endif - .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_JUMP X86_FEATURE_REP_GOOD,X86_FEATURE_ERMS, \ -- copy_user_generic_unrolled,copy_user_generic_string, \ -- copy_user_enhanced_fast_string -- 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_JUMP X86_FEATURE_REP_GOOD,X86_FEATURE_ERMS, \ -- copy_user_generic_unrolled,copy_user_generic_string, \ -- copy_user_enhanced_fast_string -- 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 -@@ -131,6 +61,7 @@ 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 */ -@@ -141,19 +72,19 @@ ENTRY(copy_user_generic_unrolled) - jz 17f - 1: movq (%rsi),%r8 - 2: movq 1*8(%rsi),%r9 --3: movq 2*8(%rsi),%r10 -+3: movq 2*8(%rsi),%rax - 4: movq 3*8(%rsi),%r11 - 5: movq %r8,(%rdi) - 6: movq %r9,1*8(%rdi) --7: movq %r10,2*8(%rdi) -+7: movq %rax,2*8(%rdi) - 8: movq %r11,3*8(%rdi) - 9: movq 4*8(%rsi),%r8 - 10: movq 5*8(%rsi),%r9 --11: movq 6*8(%rsi),%r10 -+11: movq 6*8(%rsi),%rax - 12: movq 7*8(%rsi),%r11 - 13: movq %r8,4*8(%rdi) - 14: movq %r9,5*8(%rdi) --15: movq %r10,6*8(%rdi) -+15: movq %rax,6*8(%rdi) - 16: movq %r11,7*8(%rdi) - leaq 64(%rsi),%rsi - leaq 64(%rdi),%rdi -@@ -180,6 +111,8 @@ ENTRY(copy_user_generic_unrolled) - jnz 21b - 23: xor %eax,%eax - ASM_CLAC -+ ASM_PAX_CLOSE_USERLAND -+ pax_force_retaddr - ret - - .section .fixup,"ax" -@@ -235,6 +168,7 @@ ENDPROC(copy_user_generic_unrolled) - */ - ENTRY(copy_user_generic_string) - CFI_STARTPROC -+ ASM_PAX_OPEN_USERLAND - ASM_STAC - andl %edx,%edx - jz 4f -@@ -251,6 +185,8 @@ ENTRY(copy_user_generic_string) - movsb - 4: xorl %eax,%eax - ASM_CLAC -+ ASM_PAX_CLOSE_USERLAND -+ pax_force_retaddr - ret - - .section .fixup,"ax" -@@ -278,6 +214,7 @@ ENDPROC(copy_user_generic_string) - */ - ENTRY(copy_user_enhanced_fast_string) - CFI_STARTPROC -+ ASM_PAX_OPEN_USERLAND - ASM_STAC - andl %edx,%edx - jz 2f -@@ -286,6 +223,8 @@ ENTRY(copy_user_enhanced_fast_string) - movsb - 2: 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..55d26f2 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 */ -@@ -59,19 +71,19 @@ ENTRY(__copy_user_nocache) - jz 17f - 1: movq (%rsi),%r8 - 2: movq 1*8(%rsi),%r9 --3: movq 2*8(%rsi),%r10 -+3: movq 2*8(%rsi),%rax - 4: movq 3*8(%rsi),%r11 - 5: movnti %r8,(%rdi) - 6: movnti %r9,1*8(%rdi) --7: movnti %r10,2*8(%rdi) -+7: movnti %rax,2*8(%rdi) - 8: movnti %r11,3*8(%rdi) - 9: movq 4*8(%rsi),%r8 - 10: movq 5*8(%rsi),%r9 --11: movq 6*8(%rsi),%r10 -+11: movq 6*8(%rsi),%rax - 12: movq 7*8(%rsi),%r11 - 13: movnti %r8,4*8(%rdi) - 14: movnti %r9,5*8(%rdi) --15: movnti %r10,6*8(%rdi) -+15: movnti %rax,6*8(%rdi) - 16: movnti %r11,7*8(%rdi) - leaq 64(%rsi),%rsi - leaq 64(%rdi),%rdi -@@ -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 2419d5f..953ee51 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. -@@ -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 0, 1 - ret - CFI_RESTORE_STATE - -diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c -index 25b7ae8..c40113e 100644 ---- a/arch/x86/lib/csum-wrappers_64.c -+++ b/arch/x86/lib/csum-wrappers_64.c -@@ -52,8 +52,12 @@ csum_partial_copy_from_user(const void __user *src, void *dst, - len -= 2; - } - } -- isum = csum_partial_copy_generic((__force const void *)src, -+ pax_open_userland(); -+ stac(); -+ 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; - -@@ -105,8 +109,13 @@ csum_partial_copy_to_user(const void *src, void __user *dst, - } - - *errp = 0; -- return csum_partial_copy_generic(src, (void __force *)dst, -+ pax_open_userland(); -+ stac(); -+ isum = csum_partial_copy_generic(src, (void __force_kernel *)____m(dst), - len, isum, NULL, errp); -+ clac(); -+ pax_close_userland(); -+ return isum; - } - EXPORT_SYMBOL(csum_partial_copy_to_user); - -diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S -index a451235..1daa956 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 - ASM_STAC --1: movzbl (%_ASM_AX),%edx -+ -+#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 -+ -+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 - ASM_STAC --2: movzwl -1(%_ASM_AX),%edx -+ -+#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 -+ -+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 - ASM_STAC --3: movl -3(%_ASM_AX),%edx -+ -+#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 -+ -+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 54fcffe..7be149e 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> -@@ -53,8 +55,8 @@ - void insn_init(struct insn *insn, const void *kaddr, int x86_64) - { - memset(insn, 0, sizeof(*insn)); -- insn->kaddr = kaddr; -- insn->next_byte = kaddr; -+ insn->kaddr = ktla_ktva(kaddr); -+ insn->next_byte = ktla_ktva(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 56313a3..9b59269 100644 ---- a/arch/x86/lib/memcpy_64.S -+++ b/arch/x86/lib/memcpy_64.S -@@ -24,7 +24,7 @@ - * This gets patched over the unrolled variant (below) via the - * alternative instructions framework: - */ -- .section .altinstr_replacement, "ax", @progbits -+ .section .altinstr_replacement, "a", @progbits - .Lmemcpy_c: - movq %rdi, %rax - movq %rdx, %rcx -@@ -33,6 +33,7 @@ - rep movsq - movl %edx, %ecx - rep movsb -+ pax_force_retaddr - ret - .Lmemcpy_e: - .previous -@@ -44,11 +45,12 @@ - * This gets patched over the unrolled variant (below) via the - * alternative instructions framework: - */ -- .section .altinstr_replacement, "ax", @progbits -+ .section .altinstr_replacement, "a", @progbits - .Lmemcpy_c_e: - movq %rdi, %rax - movq %rdx, %rcx - rep movsb -+ pax_force_retaddr - ret - .Lmemcpy_e_e: - .previous -@@ -76,13 +78,13 @@ ENTRY(memcpy) - */ - movq 0*8(%rsi), %r8 - movq 1*8(%rsi), %r9 -- movq 2*8(%rsi), %r10 -+ movq 2*8(%rsi), %rcx - movq 3*8(%rsi), %r11 - leaq 4*8(%rsi), %rsi - - movq %r8, 0*8(%rdi) - movq %r9, 1*8(%rdi) -- movq %r10, 2*8(%rdi) -+ movq %rcx, 2*8(%rdi) - movq %r11, 3*8(%rdi) - leaq 4*8(%rdi), %rdi - jae .Lcopy_forward_loop -@@ -105,12 +107,12 @@ ENTRY(memcpy) - subq $0x20, %rdx - movq -1*8(%rsi), %r8 - movq -2*8(%rsi), %r9 -- movq -3*8(%rsi), %r10 -+ movq -3*8(%rsi), %rcx - movq -4*8(%rsi), %r11 - leaq -4*8(%rsi), %rsi - movq %r8, -1*8(%rdi) - movq %r9, -2*8(%rdi) -- movq %r10, -3*8(%rdi) -+ movq %rcx, -3*8(%rdi) - movq %r11, -4*8(%rdi) - leaq -4*8(%rdi), %rdi - jae .Lcopy_backward_loop -@@ -130,12 +132,13 @@ ENTRY(memcpy) - */ - movq 0*8(%rsi), %r8 - movq 1*8(%rsi), %r9 -- movq -2*8(%rsi, %rdx), %r10 -+ movq -2*8(%rsi, %rdx), %rcx - movq -1*8(%rsi, %rdx), %r11 - movq %r8, 0*8(%rdi) - movq %r9, 1*8(%rdi) -- movq %r10, -2*8(%rdi, %rdx) -+ movq %rcx, -2*8(%rdi, %rdx) - movq %r11, -1*8(%rdi, %rdx) -+ pax_force_retaddr - retq - .p2align 4 - .Lless_16bytes: -@@ -148,6 +151,7 @@ ENTRY(memcpy) - 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: -@@ -161,6 +165,7 @@ ENTRY(memcpy) - movl -4(%rsi, %rdx), %r8d - movl %ecx, (%rdi) - movl %r8d, -4(%rdi, %rdx) -+ pax_force_retaddr - retq - .p2align 4 - .Lless_3bytes: -@@ -179,6 +184,7 @@ ENTRY(memcpy) - movb %cl, (%rdi) - - .Lend: -+ pax_force_retaddr - retq - CFI_ENDPROC - ENDPROC(memcpy) -diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S -index 65268a6..5aa7815 100644 ---- a/arch/x86/lib/memmove_64.S -+++ b/arch/x86/lib/memmove_64.S -@@ -61,13 +61,13 @@ ENTRY(memmove) - 5: - sub $0x20, %rdx - movq 0*8(%rsi), %r11 -- movq 1*8(%rsi), %r10 -+ movq 1*8(%rsi), %rcx - movq 2*8(%rsi), %r9 - movq 3*8(%rsi), %r8 - leaq 4*8(%rsi), %rsi - - movq %r11, 0*8(%rdi) -- movq %r10, 1*8(%rdi) -+ movq %rcx, 1*8(%rdi) - movq %r9, 2*8(%rdi) - movq %r8, 3*8(%rdi) - leaq 4*8(%rdi), %rdi -@@ -81,10 +81,10 @@ ENTRY(memmove) - 4: - movq %rdx, %rcx - movq -8(%rsi, %rdx), %r11 -- lea -8(%rdi, %rdx), %r10 -+ lea -8(%rdi, %rdx), %r9 - shrq $3, %rcx - rep movsq -- movq %r11, (%r10) -+ movq %r11, (%r9) - jmp 13f - .Lmemmove_end_forward: - -@@ -95,14 +95,14 @@ ENTRY(memmove) - 7: - movq %rdx, %rcx - movq (%rsi), %r11 -- movq %rdi, %r10 -+ movq %rdi, %r9 - leaq -8(%rsi, %rdx), %rsi - leaq -8(%rdi, %rdx), %rdi - shrq $3, %rcx - std - rep movsq - cld -- movq %r11, (%r10) -+ movq %r11, (%r9) - jmp 13f - - /* -@@ -127,13 +127,13 @@ ENTRY(memmove) - 8: - subq $0x20, %rdx - movq -1*8(%rsi), %r11 -- movq -2*8(%rsi), %r10 -+ movq -2*8(%rsi), %rcx - movq -3*8(%rsi), %r9 - movq -4*8(%rsi), %r8 - leaq -4*8(%rsi), %rsi - - movq %r11, -1*8(%rdi) -- movq %r10, -2*8(%rdi) -+ movq %rcx, -2*8(%rdi) - movq %r9, -3*8(%rdi) - movq %r8, -4*8(%rdi) - leaq -4*8(%rdi), %rdi -@@ -151,11 +151,11 @@ ENTRY(memmove) - * Move data from 16 bytes to 31 bytes. - */ - movq 0*8(%rsi), %r11 -- movq 1*8(%rsi), %r10 -+ movq 1*8(%rsi), %rcx - movq -2*8(%rsi, %rdx), %r9 - movq -1*8(%rsi, %rdx), %r8 - movq %r11, 0*8(%rdi) -- movq %r10, 1*8(%rdi) -+ movq %rcx, 1*8(%rdi) - movq %r9, -2*8(%rdi, %rdx) - movq %r8, -1*8(%rdi, %rdx) - jmp 13f -@@ -167,9 +167,9 @@ ENTRY(memmove) - * Move data from 8 bytes to 15 bytes. - */ - movq 0*8(%rsi), %r11 -- movq -1*8(%rsi, %rdx), %r10 -+ movq -1*8(%rsi, %rdx), %r9 - movq %r11, 0*8(%rdi) -- movq %r10, -1*8(%rdi, %rdx) -+ movq %r9, -1*8(%rdi, %rdx) - jmp 13f - 10: - cmpq $4, %rdx -@@ -178,9 +178,9 @@ ENTRY(memmove) - * Move data from 4 bytes to 7 bytes. - */ - movl (%rsi), %r11d -- movl -4(%rsi, %rdx), %r10d -+ movl -4(%rsi, %rdx), %r9d - movl %r11d, (%rdi) -- movl %r10d, -4(%rdi, %rdx) -+ movl %r9d, -4(%rdi, %rdx) - jmp 13f - 11: - cmp $2, %rdx -@@ -189,9 +189,9 @@ ENTRY(memmove) - * Move data from 2 bytes to 3 bytes. - */ - movw (%rsi), %r11w -- movw -2(%rsi, %rdx), %r10w -+ movw -2(%rsi, %rdx), %r9w - movw %r11w, (%rdi) -- movw %r10w, -2(%rdi, %rdx) -+ movw %r9w, -2(%rdi, %rdx) - jmp 13f - 12: - cmp $1, %rdx -@@ -202,14 +202,16 @@ ENTRY(memmove) - movb (%rsi), %r11b - movb %r11b, (%rdi) - 13: -+ pax_force_retaddr - retq - CFI_ENDPROC - -- .section .altinstr_replacement,"ax" -+ .section .altinstr_replacement,"a" - .Lmemmove_begin_forward_efs: - /* Forward moving data. */ - movq %rdx, %rcx - rep movsb -+ pax_force_retaddr - retq - .Lmemmove_end_forward_efs: - .previous -diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S -index 2dcb380..50a78bc 100644 ---- a/arch/x86/lib/memset_64.S -+++ b/arch/x86/lib/memset_64.S -@@ -16,7 +16,7 @@ - * - * rax original destination - */ -- .section .altinstr_replacement, "ax", @progbits -+ .section .altinstr_replacement, "a", @progbits - .Lmemset_c: - movq %rdi,%r9 - movq %rdx,%rcx -@@ -30,6 +30,7 @@ - movl %edx,%ecx - rep stosb - movq %r9,%rax -+ pax_force_retaddr - ret - .Lmemset_e: - .previous -@@ -45,13 +46,14 @@ - * - * rax original destination - */ -- .section .altinstr_replacement, "ax", @progbits -+ .section .altinstr_replacement, "a", @progbits - .Lmemset_c_e: - movq %rdi,%r9 - movb %sil,%al - movq %rdx,%rcx - rep stosb - movq %r9,%rax -+ pax_force_retaddr - ret - .Lmemset_e_e: - .previous -@@ -59,7 +61,7 @@ - ENTRY(memset) - ENTRY(__memset) - CFI_STARTPROC -- movq %rdi,%r10 -+ movq %rdi,%r11 - - /* expand byte value */ - movzbl %sil,%ecx -@@ -117,7 +119,8 @@ ENTRY(__memset) - jnz .Lloop_1 - - .Lende: -- movq %r10,%rax -+ movq %r11,%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 f6d13ee..aca5f0b 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 - /* -@@ -16,7 +17,7 @@ ENTRY(\op()_safe_regs) - CFI_STARTPROC - pushq_cfi %rbx - pushq_cfi %rbp -- movq %rdi, %r10 /* Save pointer */ -+ movq %rdi, %r9 /* Save pointer */ - xorl %r11d, %r11d /* Return value */ - movl (%rdi), %eax - movl 4(%rdi), %ecx -@@ -27,16 +28,17 @@ ENTRY(\op()_safe_regs) - movl 28(%rdi), %edi - CFI_REMEMBER_STATE - 1: \op --2: movl %eax, (%r10) -+2: movl %eax, (%r9) - movl %r11d, %eax /* Return value */ -- movl %ecx, 4(%r10) -- movl %edx, 8(%r10) -- movl %ebx, 12(%r10) -- movl %ebp, 20(%r10) -- movl %esi, 24(%r10) -- movl %edi, 28(%r10) -+ movl %ecx, 4(%r9) -+ movl %edx, 8(%r9) -+ movl %ebx, 12(%r9) -+ movl %ebp, 20(%r9) -+ movl %esi, 24(%r9) -+ movl %edi, 28(%r9) - popq_cfi %rbp - popq_cfi %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..d4d989d 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 - ASM_STAC --1: movb %al,(%_ASM_CX) -+ -+#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 -+ -+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 - ASM_STAC --2: movw %ax,(%_ASM_CX) -+ -+#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 -+ -+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 - ASM_STAC --3: movl %eax,(%_ASM_CX) -+ -+#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 -+ -+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 $7,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user - ASM_STAC --4: mov %_ASM_AX,(%_ASM_CX) -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ -+4: __copyuser_seg mov %_ASM_AX,(_DEST) - #ifdef CONFIG_X86_32 --5: movl %edx,4(%_ASM_CX) -+5: __copyuser_seg movl %edx,4(_DEST) - #endif - xor %eax,%eax - EXIT -diff --git a/arch/x86/lib/rwlock.S b/arch/x86/lib/rwlock.S -index 1cad221..de671ee 100644 ---- a/arch/x86/lib/rwlock.S -+++ b/arch/x86/lib/rwlock.S -@@ -16,13 +16,34 @@ ENTRY(__write_lock_failed) - FRAME - 0: LOCK_PREFIX - WRITE_LOCK_ADD($RW_LOCK_BIAS) (%__lock_ptr) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 1234f -+ LOCK_PREFIX -+ WRITE_LOCK_SUB($RW_LOCK_BIAS) (%__lock_ptr) -+ int $4 -+1234: -+ _ASM_EXTABLE(1234b, 1234b) -+#endif -+ - 1: rep; nop - cmpl $WRITE_LOCK_CMP, (%__lock_ptr) - jne 1b - LOCK_PREFIX - WRITE_LOCK_SUB($RW_LOCK_BIAS) (%__lock_ptr) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 1234f -+ LOCK_PREFIX -+ WRITE_LOCK_ADD($RW_LOCK_BIAS) (%__lock_ptr) -+ int $4 -+1234: -+ _ASM_EXTABLE(1234b, 1234b) -+#endif -+ - jnz 0b - ENDFRAME -+ pax_force_retaddr - ret - CFI_ENDPROC - END(__write_lock_failed) -@@ -32,13 +53,34 @@ ENTRY(__read_lock_failed) - FRAME - 0: LOCK_PREFIX - READ_LOCK_SIZE(inc) (%__lock_ptr) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 1234f -+ LOCK_PREFIX -+ READ_LOCK_SIZE(dec) (%__lock_ptr) -+ int $4 -+1234: -+ _ASM_EXTABLE(1234b, 1234b) -+#endif -+ - 1: rep; nop - READ_LOCK_SIZE(cmp) $1, (%__lock_ptr) - js 1b - LOCK_PREFIX - READ_LOCK_SIZE(dec) (%__lock_ptr) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 1234f -+ LOCK_PREFIX -+ READ_LOCK_SIZE(inc) (%__lock_ptr) -+ int $4 -+1234: -+ _ASM_EXTABLE(1234b, 1234b) -+#endif -+ - js 0b - ENDFRAME -+ pax_force_retaddr - ret - CFI_ENDPROC - END(__read_lock_failed) -diff --git a/arch/x86/lib/rwsem.S b/arch/x86/lib/rwsem.S -index 5dff5f0..cadebf4 100644 ---- a/arch/x86/lib/rwsem.S -+++ b/arch/x86/lib/rwsem.S -@@ -94,6 +94,7 @@ ENTRY(call_rwsem_down_read_failed) - __ASM_SIZE(pop,_cfi) %__ASM_REG(dx) - CFI_RESTORE __ASM_REG(dx) - restore_common_regs -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(call_rwsem_down_read_failed) -@@ -104,6 +105,7 @@ 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) -@@ -117,7 +119,8 @@ 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) - -@@ -131,6 +134,7 @@ ENTRY(call_rwsem_downgrade_wake) - __ASM_SIZE(pop,_cfi) %__ASM_REG(dx) - CFI_RESTORE __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 a63efd6..ccecad8 100644 ---- a/arch/x86/lib/thunk_64.S -+++ b/arch/x86/lib/thunk_64.S -@@ -8,6 +8,7 @@ - #include <linux/linkage.h> - #include <asm/dwarf2.h> - #include <asm/calling.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 -@@ -41,5 +42,6 @@ - SAVE_ARGS - restore: - RESTORE_ARGS -+ pax_force_retaddr - ret - CFI_ENDPROC -diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c -index 3eb18ac..6890bc3 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 +151,12 @@ __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" -@@ -202,46 +206,150 @@ __copy_user_intel(void __user *to, const void *from, unsigned long 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" -+ ".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 __size_overflow(3) - __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" -@@ -298,48 +406,48 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size) - * hyoshiok@miraclelinux.com - */ - --static unsigned long __copy_user_zeroing_intel_nocache(void *to, -+static unsigned long __size_overflow(3) __copy_user_zeroing_intel_nocache(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" - " 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" -@@ -392,48 +500,48 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to, - return size; - } - --static unsigned long __copy_user_intel_nocache(void *to, -+static unsigned long __size_overflow(3) __copy_user_intel_nocache(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" - " 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; - } -@@ -632,60 +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 long 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 long 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 906fea3..0194a18 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); - -@@ -69,11 +70,13 @@ EXPORT_SYMBOL(copy_in_user); - * it is not necessary to optimize tail handling. - */ - unsigned long --copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest) -+copy_user_handle_tail(char __user *to, char __user *from, unsigned long len, unsigned zerorest) - { - char c; - unsigned zero_len; - -+ clac(); -+ pax_close_userland(); - for (; len; --len, to++) { - if (__get_user_nocheck(c, from++, sizeof(char))) - break; -@@ -84,6 +87,5 @@ copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest) - for (c = 0, zero_len = len; zerorest && zero_len; --zero_len) - if (__put_user_nocheck(c, to++, sizeof(char))) - break; -- clac(); - return len; - } -diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile -index 23d8e5f..9ccc13a 100644 ---- a/arch/x86/mm/Makefile -+++ b/arch/x86/mm/Makefile -@@ -28,3 +28,7 @@ obj-$(CONFIG_ACPI_NUMA) += srat.o - obj-$(CONFIG_NUMA_EMU) += numa_emulation.o - - obj-$(CONFIG_MEMTEST) += memtest.o -+ -+quote:=" -+obj-$(CONFIG_X86_64) += uderef_64.o -+CFLAGS_uderef_64.o := $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS)) -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 654be4a..a4a3da1 100644 ---- a/arch/x86/mm/fault.c -+++ b/arch/x86/mm/fault.c -@@ -14,11 +14,18 @@ - #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_START */ -+#include <asm/tlbflush.h> -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#include <asm/stacktrace.h> -+#endif - - /* - * Page fault error code bits: -@@ -56,7 +63,7 @@ static inline int __kprobes notify_page_fault(struct pt_regs *regs) - int ret = 0; - - /* kprobe_running() needs smp_processor_id() */ -- if (kprobes_built_in() && !user_mode_vm(regs)) { -+ if (kprobes_built_in() && !user_mode(regs)) { - preempt_disable(); - if (kprobe_running() && kprobe_fault_handler(regs, 14)) - ret = 1; -@@ -117,7 +124,10 @@ 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) && -@@ -151,7 +161,10 @@ 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++; -@@ -182,6 +195,34 @@ 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); - -@@ -232,10 +273,27 @@ 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; - -@@ -243,8 +301,14 @@ 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; -@@ -278,6 +342,12 @@ static noinline __kprobes 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; -@@ -373,11 +443,25 @@ static noinline __kprobes 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(); -@@ -543,7 +627,7 @@ 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; -@@ -570,7 +654,7 @@ 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 void - show_fault_oops(struct pt_regs *regs, unsigned long error_code, -@@ -579,15 +663,27 @@ 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; - - pte_t *pte = lookup_address(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)); - } - -+#ifdef CONFIG_PAX_KERNEXEC -+ if (init_mm.start_code <= address && address < init_mm.end_code) { -+ if (current->signal->curr_ip) -+ printk(KERN_ERR "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_ERR "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"); -@@ -750,6 +846,22 @@ __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; -@@ -835,7 +947,7 @@ 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 -@@ -898,6 +1010,99 @@ static int spurious_fault_check(unsigned long error_code, pte_t *pte) - return 1; - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+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) && cpu_isset(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. - * -@@ -964,6 +1169,9 @@ 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))) -@@ -992,7 +1200,7 @@ static inline bool smap_violation(int error_code, struct pt_regs *regs) - if (error_code & PF_USER) - return false; - -- if (!user_mode_vm(regs) && (regs->flags & X86_EFLAGS_AC)) -+ if (!user_mode(regs) && (regs->flags & X86_EFLAGS_AC)) - return false; - - return true; -@@ -1008,18 +1216,33 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code) - { - struct vm_area_struct *vma; - struct task_struct *tsk; -- unsigned long address; - struct mm_struct *mm; - int fault; - int write = error_code & PF_WRITE; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE | - (write ? FAULT_FLAG_WRITE : 0); - -- tsk = current; -- mm = tsk->mm; -- - /* Get the faulting address: */ -- address = read_cr2(); -+ unsigned long address = read_cr2(); -+ -+#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_ERR "PAX: please report this to pageexec@freemail.hu\n"); -+ bad_area_nosemaphore(regs, error_code, address); -+ return; -+ } -+ if (address < pax_user_shadow_base) { -+ printk(KERN_ERR "PAX: please report this to pageexec@freemail.hu\n"); -+ printk(KERN_ERR "PAX: faulting IP: %pS\n", (void *)regs->ip); -+ show_trace_log_lvl(NULL, NULL, (void *)regs->sp, regs->bp, KERN_ERR); -+ } else -+ address -= pax_user_shadow_base; -+ } -+#endif -+ -+ tsk = current; -+ mm = tsk->mm; - - /* - * Detect and handle instructions that would cause a page fault for -@@ -1080,7 +1303,7 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code) - * User-mode registers count as a user access even for any - * potential system fault or CPU buglet: - */ -- if (user_mode_vm(regs)) { -+ if (user_mode(regs)) { - local_irq_enable(); - error_code |= PF_USER; - } else { -@@ -1142,6 +1365,11 @@ 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); -@@ -1153,18 +1381,24 @@ 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; -@@ -1230,3 +1464,292 @@ do_page_fault(struct pt_regs *regs, unsigned long error_code) - __do_page_fault(regs, error_code); - exception_exit(prev_state); - } -+ -+#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 dd74e46..7d26398 100644 ---- a/arch/x86/mm/gup.c -+++ b/arch/x86/mm/gup.c -@@ -255,7 +255,7 @@ 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(write ? VERIFY_WRITE : VERIFY_READ, - (void __user *)start, len))) - return 0; - -diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c -index 252b8f5..4dcfdc1 100644 ---- a/arch/x86/mm/highmem_32.c -+++ b/arch/x86/mm/highmem_32.c -@@ -44,7 +44,11 @@ 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 ae1aa71..d9bea75 100644 ---- a/arch/x86/mm/hugetlbpage.c -+++ b/arch/x86/mm/hugetlbpage.c -@@ -271,23 +271,30 @@ follow_huge_pud(struct mm_struct *mm, unsigned long address, - #ifdef HAVE_ARCH_HUGETLB_UNMAPPED_AREA - 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 = 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; - 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; -@@ -299,6 +306,7 @@ 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); - - /* -@@ -311,6 +319,12 @@ 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); - } -@@ -325,10 +339,20 @@ 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) { -@@ -337,19 +361,22 @@ 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 /*HAVE_ARCH_HUGETLB_UNMAPPED_AREA*/ -diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c -index 1f34e92..c97b98f 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> - - #include "mm_internal.h" - -@@ -465,7 +468,18 @@ 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); -@@ -481,10 +495,40 @@ 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)) -@@ -538,8 +582,117 @@ 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 memory", - (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 3ac7e31..89611b7 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 | _PAGE_IOMAP); -+pteval_t __supported_pte_mask __read_only = ~(_PAGE_NX | _PAGE_GLOBAL | _PAGE_IOMAP); - EXPORT_SYMBOL_GPL(__supported_pte_mask); - - /* user-defined highmem size */ -@@ -772,7 +774,7 @@ void __init mem_init(void) - after_bootmem = 1; - - codesize = (unsigned long) &_etext - (unsigned long) &_text; -- datasize = (unsigned long) &_edata - (unsigned long) &_etext; -+ datasize = (unsigned long) &_edata - (unsigned long) &_sdata; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - - printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, " -@@ -813,10 +815,10 @@ 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); - - /* -@@ -906,6 +908,7 @@ 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); - -@@ -920,6 +923,7 @@ 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); - -@@ -948,6 +952,7 @@ 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 bb00c46..bf91a67 100644 ---- a/arch/x86/mm/init_64.c -+++ b/arch/x86/mm/init_64.c -@@ -151,7 +151,7 @@ early_param("gbpages", parse_direct_gbpages_on); - * around without checking the pgd every time. - */ - --pteval_t __supported_pte_mask __read_mostly = ~_PAGE_IOMAP; -+pteval_t __supported_pte_mask __read_only = ~(_PAGE_NX | _PAGE_IOMAP); - EXPORT_SYMBOL_GPL(__supported_pte_mask); - - int force_personality32; -@@ -184,12 +184,29 @@ void sync_global_pgds(unsigned long start, unsigned long end) - - 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 - - if (pgd_none(*pgd_ref)) - 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)) -+ set_pgd(pgd, *pgd_ref); -+ else -+ BUG_ON(pgd_page_vaddr(*pgd) -+ != pgd_page_vaddr(*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; -@@ -198,6 +215,7 @@ void sync_global_pgds(unsigned long start, unsigned long end) - /* 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)) - set_pgd(pgd, *pgd_ref); -@@ -205,7 +223,10 @@ void sync_global_pgds(unsigned long start, unsigned long end) - BUG_ON(pgd_page_vaddr(*pgd) - != pgd_page_vaddr(*pgd_ref)); - -+#ifndef CONFIG_PAX_PER_CPU_PGD - spin_unlock(pgt_lock); -+#endif -+ - } - spin_unlock(&pgd_lock); - } -@@ -238,7 +259,7 @@ 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)); -@@ -250,7 +271,7 @@ 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)); -@@ -279,7 +300,9 @@ 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. -@@ -338,14 +361,12 @@ 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)); -@@ -586,7 +607,7 @@ 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(); -@@ -627,7 +648,7 @@ 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; - } -@@ -1221,8 +1242,8 @@ int kern_addr_valid(unsigned long addr) - static struct vm_area_struct gate_vma = { - .vm_start = VSYSCALL_START, - .vm_end = VSYSCALL_START + (VSYSCALL_MAPPED_PAGES * PAGE_SIZE), -- .vm_page_prot = PAGE_READONLY_EXEC, -- .vm_flags = VM_READ | VM_EXEC -+ .vm_page_prot = PAGE_READONLY, -+ .vm_flags = VM_READ - }; - - struct vm_area_struct *get_gate_vma(struct mm_struct *mm) -@@ -1256,7 +1277,7 @@ int in_gate_area_no_mm(unsigned long addr) - - const char *arch_vma_name(struct vm_area_struct *vma) - { -- if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso) -+ if (vma->vm_mm && vma->vm_start == vma->vm_mm->context.vdso) - return "[vdso]"; - if (vma == &gate_vma) - return "[vsyscall]"; -diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c -index 7b179b4..6bd17777 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 9a1e658..da003f3 100644 ---- a/arch/x86/mm/ioremap.c -+++ b/arch/x86/mm/ioremap.c -@@ -97,7 +97,7 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, - for (pfn = phys_addr >> PAGE_SHIFT; pfn <= last_pfn; pfn++) { - int is_ram = page_is_ram(pfn); - -- if (is_ram && pfn_valid(pfn) && !PageReserved(pfn_to_page(pfn))) -+ if (is_ram && pfn_valid(pfn) && (pfn >= 0x100 || !PageReserved(pfn_to_page(pfn)))) - return NULL; - WARN_ON_ONCE(is_ram); - } -@@ -256,7 +256,7 @@ 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; - -@@ -310,6 +310,9 @@ void *xlate_dev_mem_ptr(unsigned long phys) - - /* If page is RAM, we can use __va. Otherwise ioremap and unmap. */ - if (page_is_ram(start >> PAGE_SHIFT)) -+#ifdef CONFIG_HIGHMEM -+ if ((start >> PAGE_SHIFT) < max_low_pfn) -+#endif - return __va(phys); - - addr = (void __force *)ioremap_cache(start, PAGE_SIZE); -@@ -322,6 +325,9 @@ void *xlate_dev_mem_ptr(unsigned long phys) - void unxlate_dev_mem_ptr(unsigned long phys, void *addr) - { - if (page_is_ram(phys >> PAGE_SHIFT)) -+#ifdef CONFIG_HIGHMEM -+ if ((phys >> PAGE_SHIFT) < max_low_pfn) -+#endif - return; - - iounmap((void __iomem *)((unsigned long)addr & PAGE_MASK)); -@@ -339,7 +345,7 @@ static int __init early_ioremap_debug_setup(char *str) - early_param("early_ioremap_debug", early_ioremap_debug_setup); - - static __initdata int after_paging_init; --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) - { -@@ -376,8 +382,7 @@ void __init early_ioremap_init(void) - slot_virt[i] = __fix_to_virt(FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*i); - - 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 d87dd6d..bf3fa66 100644 ---- a/arch/x86/mm/kmemcheck/kmemcheck.c -+++ b/arch/x86/mm/kmemcheck/kmemcheck.c -@@ -622,9 +622,9 @@ 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 5c1ae28..45f4ac9 100644 ---- a/arch/x86/mm/mmap.c -+++ b/arch/x86/mm/mmap.c -@@ -52,7 +52,7 @@ static unsigned int 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) - { -@@ -82,27 +82,40 @@ static unsigned long mmap_rnd(void) - return rnd << PAGE_SHIFT; - } - --static unsigned long mmap_base(void) -+static unsigned long mmap_base(struct mm_struct *mm) - { - 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 - mmap_rnd()); -+ return PAGE_ALIGN(pax_task_size - gap - mmap_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(void) -+static unsigned long mmap_legacy_base(struct mm_struct *mm) - { -- 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 + mmap_rnd(); - } - -@@ -112,8 +125,15 @@ static unsigned long mmap_legacy_base(void) - */ - void arch_pick_mmap_layout(struct mm_struct *mm) - { -- mm->mmap_legacy_base = mmap_legacy_base(); -- mm->mmap_base = mmap_base(); -+ mm->mmap_legacy_base = mmap_legacy_base(mm); -+ mm->mmap_base = mmap_base(mm); -+ -+#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; -diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c -index dc0b727..f612039 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 a71c4e2..301ae44 100644 ---- a/arch/x86/mm/numa.c -+++ b/arch/x86/mm/numa.c -@@ -474,7 +474,7 @@ static bool __init numa_meminfo_cover_memory(const struct numa_meminfo *mi) - return true; - } - --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-test.c b/arch/x86/mm/pageattr-test.c -index d0b1773..4c3327c 100644 ---- a/arch/x86/mm/pageattr-test.c -+++ b/arch/x86/mm/pageattr-test.c -@@ -36,7 +36,7 @@ enum { - - static int pte_testbit(pte_t pte) - { -- return pte_flags(pte) & _PAGE_UNUSED1; -+ return pte_flags(pte) & _PAGE_CPA_TEST; - } - - struct split_state { -diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c -index bb32480..75f2f5e 100644 ---- a/arch/x86/mm/pageattr.c -+++ b/arch/x86/mm/pageattr.c -@@ -261,7 +261,7 @@ 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 - - /* -@@ -269,9 +269,10 @@ 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. -@@ -279,6 +280,7 @@ 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) - /* -@@ -317,6 +319,13 @@ 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; -@@ -400,23 +409,37 @@ 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 6574388..87e9bef 100644 ---- a/arch/x86/mm/pat.c -+++ b/arch/x86/mm/pat.c -@@ -376,7 +376,7 @@ 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; - } - -@@ -506,8 +506,8 @@ 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]\n", -- current->comm, from, to - 1); -+ printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx] (%#010Lx)\n", -+ current->comm, from, to - 1, cursor); - return 0; - } - cursor += PAGE_SIZE; -@@ -577,7 +577,7 @@ int kernel_map_sync_memtype(u64 base, unsigned long size, unsigned long flags) - if (ioremap_change_attr((unsigned long)__va(base), id_sz, flags) < 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(flags), - base, (unsigned long long)(base + size-1)); - return -EINVAL; -@@ -612,7 +612,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot, - flags = lookup_memtype(paddr); - if (want_flags != flags) { - 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_flags), - (unsigned long long)paddr, - (unsigned long long)(paddr + size - 1), -@@ -634,7 +634,7 @@ 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_flags), - (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 415f6c4..d319983 100644 ---- a/arch/x86/mm/pat_rbtree.c -+++ b/arch/x86/mm/pat_rbtree.c -@@ -160,7 +160,7 @@ 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 17fda6a..f7d54a0 100644 ---- a/arch/x86/mm/pgtable.c -+++ b/arch/x86/mm/pgtable.c -@@ -91,10 +91,67 @@ 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 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 -+#else -+#define pxd_t pmd_t -+#define pyd_t pud_t -+#define paravirt_release_pxd(pfn) paravirt_release_pmd(pfn) -+#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 -+#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)); -@@ -135,6 +192,7 @@ 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 -@@ -147,7 +205,7 @@ 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 -@@ -159,7 +217,7 @@ 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) - { -@@ -177,36 +235,38 @@ 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(pmd_t *pmds[]) -+static void free_pxds(pxd_t *pxds[]) - { - int i; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) -- if (pmds[i]) -- free_page((unsigned long)pmds[i]); -+ for(i = 0; i < PREALLOCATED_PXDS; i++) -+ if (pxds[i]) -+ free_page((unsigned long)pxds[i]); - } - --static int preallocate_pmds(pmd_t *pmds[]) -+static int preallocate_pxds(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 == NULL) -+ for(i = 0; i < PREALLOCATED_PXDS; i++) { -+ pxd_t *pxd = (pxd_t *)__get_free_page(PGALLOC_GFP); -+ if (pxd == NULL) - failed = true; -- pmds[i] = pmd; -+ pxds[i] = pxd; - } - - if (failed) { -- free_pmds(pmds); -+ free_pxds(pxds); - return -ENOMEM; - } - -@@ -219,51 +279,55 @@ static int preallocate_pmds(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); -+ paravirt_release_pxd(pgd_val(pgd) >> PAGE_SHIFT); -+ pxd_free(mm, pxd); - } - } - } - --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; - unsigned long addr; - 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 (addr = i = 0; i < PREALLOCATED_PMDS; -- i++, pud++, addr += PUD_SIZE) { -- pmd_t *pmd = pmds[i]; -+ for (addr = i = 0; i < PREALLOCATED_PXDS; -+ i++, pyd++, addr += PYD_SIZE) { -+ 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); - } - } - - pgd_t *pgd_alloc(struct mm_struct *mm) - { - pgd_t *pgd; -- pmd_t *pmds[PREALLOCATED_PMDS]; -+ pxd_t *pxds[PREALLOCATED_PXDS]; - - pgd = (pgd_t *)__get_free_page(PGALLOC_GFP); - -@@ -272,11 +336,11 @@ pgd_t *pgd_alloc(struct mm_struct *mm) - - mm->pgd = pgd; - -- if (preallocate_pmds(pmds) != 0) -+ if (preallocate_pxds(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 -@@ -286,14 +350,14 @@ 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(pmds); -+out_free_pxds: -+ free_pxds(pxds); - out_free_pgd: - free_page((unsigned long)pgd); - out: -@@ -302,7 +366,7 @@ 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); - free_page((unsigned long)pgd); -diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c -index a69bcb8..19068ab 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 410531d..0f16030 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 __cpuinitdata; - -+#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 __cpuinit 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 282375f..e03a98f 100644 ---- a/arch/x86/mm/tlb.c -+++ b/arch/x86/mm/tlb.c -@@ -48,7 +48,11 @@ 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 -+ - } - } - EXPORT_SYMBOL_GPL(leave_mm); -diff --git a/arch/x86/mm/uderef_64.c b/arch/x86/mm/uderef_64.c -new file mode 100644 -index 0000000..dace51c ---- /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 __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(get_cpu_pgd(cpu, user)) | PCID_USER | PCID_NOFLUSH); -+ raw_put_cpu_no_resched(); -+} -+EXPORT_SYMBOL(__pax_open_userland); -+ -+void __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(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 877b9a1..a8ecf42 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 : -@@ -35,6 +36,7 @@ sk_load_word_positive_offset: - jle bpf_slow_path_word - mov (SKBDATA,%rsi),%eax - bswap %eax /* ntohl() */ -+ pax_force_retaddr - ret - - sk_load_half: -@@ -52,6 +54,7 @@ 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: -@@ -66,6 +69,7 @@ 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 - - /** -@@ -87,6 +91,7 @@ sk_load_byte_msh_positive_offset: - movzbl (SKBDATA,%rsi),%ebx - and $15,%bl - shl $2,%bl -+ pax_force_retaddr - ret - - /* rsi contains offset and can be scratched */ -@@ -109,6 +114,7 @@ bpf_slow_path_word: - js bpf_error - mov -12(%rbp),%eax - bswap %eax -+ pax_force_retaddr - ret - - bpf_slow_path_half: -@@ -117,12 +123,14 @@ bpf_slow_path_half: - mov -12(%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 -12(%rbp),%eax -+ pax_force_retaddr - ret - - bpf_slow_path_byte_msh: -@@ -133,6 +141,7 @@ bpf_slow_path_byte_msh: - and $15,%al - shl $2,%al - xchg %eax,%ebx -+ pax_force_retaddr - ret - - #define sk_negative_common(SIZE) \ -@@ -157,6 +166,7 @@ sk_load_word_negative_offset: - sk_negative_common(4) - mov (%rax), %eax - bswap %eax -+ pax_force_retaddr - ret - - bpf_slow_path_half_neg: -@@ -168,6 +178,7 @@ sk_load_half_negative_offset: - mov (%rax),%ax - rol $8,%ax - movzwl %ax,%eax -+ pax_force_retaddr - ret - - bpf_slow_path_byte_neg: -@@ -177,6 +188,7 @@ sk_load_byte_negative_offset: - .globl sk_load_byte_negative_offset - sk_negative_common(1) - movzbl (%rax), %eax -+ pax_force_retaddr - ret - - bpf_slow_path_byte_msh_neg: -@@ -190,6 +202,7 @@ sk_load_byte_msh_negative_offset: - and $15,%al - shl $2,%al - xchg %eax,%ebx -+ pax_force_retaddr - ret - - bpf_error: -@@ -197,4 +210,5 @@ bpf_error: - xor %eax,%eax - mov -8(%rbp),%rbx - leaveq -+ pax_force_retaddr - ret -diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c -index f66b540..3e88dfb 100644 ---- a/arch/x86/net/bpf_jit_comp.c -+++ b/arch/x86/net/bpf_jit_comp.c -@@ -12,6 +12,7 @@ - #include <linux/netdevice.h> - #include <linux/filter.h> - #include <linux/if_vlan.h> -+#include <linux/random.h> - - /* - * Conventions : -@@ -49,13 +50,90 @@ static inline u8 *emit_code(u8 *ptr, u32 bytes, unsigned int len) - return ptr + len; - } - -+#ifdef CONFIG_GRKERNSEC_JIT_HARDEN -+#define MAX_INSTR_CODE_SIZE 96 -+#else -+#define MAX_INSTR_CODE_SIZE 64 -+#endif -+ - #define EMIT(bytes, len) do { prog = emit_code(prog, bytes, len); } while (0) - - #define EMIT1(b1) EMIT(b1, 1) - #define EMIT2(b1, b2) EMIT((b1) + ((b2) << 8), 2) - #define EMIT3(b1, b2, b3) EMIT((b1) + ((b2) << 8) + ((b3) << 16), 3) - #define EMIT4(b1, b2, b3, b4) EMIT((b1) + ((b2) << 8) + ((b3) << 16) + ((b4) << 24), 4) -+ -+#ifdef CONFIG_GRKERNSEC_JIT_HARDEN -+/* original constant will appear in ecx */ -+#define DILUTE_CONST_SEQUENCE(_off, _key) \ -+do { \ -+ /* mov ecx, randkey */ \ -+ EMIT1(0xb9); \ -+ EMIT(_key, 4); \ -+ /* xor ecx, randkey ^ off */ \ -+ EMIT2(0x81, 0xf1); \ -+ EMIT((_key) ^ (_off), 4); \ -+} while (0) -+ -+#define EMIT1_off32(b1, _off) \ -+do { \ -+ switch (b1) { \ -+ case 0x05: /* add eax, imm32 */ \ -+ case 0x2d: /* sub eax, imm32 */ \ -+ case 0x25: /* and eax, imm32 */ \ -+ case 0x0d: /* or eax, imm32 */ \ -+ case 0xb8: /* mov eax, imm32 */ \ -+ case 0x35: /* xor eax, imm32 */ \ -+ case 0x3d: /* cmp eax, imm32 */ \ -+ case 0xa9: /* test eax, imm32 */ \ -+ DILUTE_CONST_SEQUENCE(_off, randkey); \ -+ EMIT2((b1) - 4, 0xc8); /* convert imm instruction to eax, ecx */\ -+ break; \ -+ case 0xbb: /* mov ebx, imm32 */ \ -+ DILUTE_CONST_SEQUENCE(_off, randkey); \ -+ /* mov ebx, ecx */ \ -+ EMIT2(0x89, 0xcb); \ -+ break; \ -+ case 0xbe: /* mov esi, imm32 */ \ -+ DILUTE_CONST_SEQUENCE(_off, randkey); \ -+ /* mov esi, ecx */ \ -+ EMIT2(0x89, 0xce); \ -+ break; \ -+ case 0xe8: /* call rel imm32, always to known funcs */ \ -+ EMIT1(b1); \ -+ EMIT(_off, 4); \ -+ break; \ -+ case 0xe9: /* jmp rel imm32 */ \ -+ EMIT1(b1); \ -+ EMIT(_off, 4); \ -+ /* prevent fall-through, we're not called if off = 0 */ \ -+ EMIT(0xcccccccc, 4); \ -+ EMIT(0xcccccccc, 4); \ -+ break; \ -+ default: \ -+ BUILD_BUG(); \ -+ } \ -+} while (0) -+ -+#define EMIT2_off32(b1, b2, _off) \ -+do { \ -+ if ((b1) == 0x8d && (b2) == 0xb3) { /* lea esi, [rbx+imm32] */ \ -+ EMIT2(0x8d, 0xb3); /* lea esi, [rbx+randkey] */ \ -+ EMIT(randkey, 4); \ -+ EMIT2(0x8d, 0xb6); /* lea esi, [esi+off-randkey] */ \ -+ EMIT((_off) - randkey, 4); \ -+ } else if ((b1) == 0x69 && (b2) == 0xc0) { /* imul eax, imm32 */\ -+ DILUTE_CONST_SEQUENCE(_off, randkey); \ -+ /* imul eax, ecx */ \ -+ EMIT3(0x0f, 0xaf, 0xc1); \ -+ } else { \ -+ BUILD_BUG(); \ -+ } \ -+} while (0) -+#else - #define EMIT1_off32(b1, off) do { EMIT1(b1); EMIT(off, 4);} while (0) -+#define EMIT2_off32(b1, b2, off) do { EMIT2(b1, b2); EMIT(off, 4);} while (0) -+#endif - - #define CLEAR_A() EMIT2(0x31, 0xc0) /* xor %eax,%eax */ - #define CLEAR_X() EMIT2(0x31, 0xdb) /* xor %ebx,%ebx */ -@@ -90,6 +168,24 @@ do { \ - #define X86_JBE 0x76 - #define X86_JA 0x77 - -+#ifdef CONFIG_GRKERNSEC_JIT_HARDEN -+#define APPEND_FLOW_VERIFY() \ -+do { \ -+ /* mov ecx, randkey */ \ -+ EMIT1(0xb9); \ -+ EMIT(randkey, 4); \ -+ /* cmp ecx, randkey */ \ -+ EMIT2(0x81, 0xf9); \ -+ EMIT(randkey, 4); \ -+ /* jz after 8 int 3s */ \ -+ EMIT2(0x74, 0x08); \ -+ EMIT(0xcccccccc, 4); \ -+ EMIT(0xcccccccc, 4); \ -+} while (0) -+#else -+#define APPEND_FLOW_VERIFY() do { } while (0) -+#endif -+ - #define EMIT_COND_JMP(op, offset) \ - do { \ - if (is_near(offset)) \ -@@ -97,6 +193,7 @@ do { \ - else { \ - EMIT2(0x0f, op + 0x10); \ - EMIT(offset, 4); /* jxx .+off32 */ \ -+ APPEND_FLOW_VERIFY(); \ - } \ - } while (0) - -@@ -121,6 +218,11 @@ static inline void bpf_flush_icache(void *start, void *end) - set_fs(old_fs); - } - -+struct bpf_jit_work { -+ struct work_struct work; -+ void *image; -+}; -+ - #define CHOOSE_LOAD_FUNC(K, func) \ - ((int)K < 0 ? ((int)K >= SKF_LL_OFF ? func##_negative_offset : func) : func##_positive_offset) - -@@ -146,7 +248,7 @@ static int pkt_type_offset(void) - - void bpf_jit_compile(struct sk_filter *fp) - { -- u8 temp[64]; -+ u8 temp[MAX_INSTR_CODE_SIZE]; - u8 *prog; - unsigned int proglen, oldproglen = 0; - int ilen, i; -@@ -159,6 +261,9 @@ void bpf_jit_compile(struct sk_filter *fp) - unsigned int *addrs; - const struct sock_filter *filter = fp->insns; - int flen = fp->len; -+#ifdef CONFIG_GRKERNSEC_JIT_HARDEN -+ unsigned int randkey; -+#endif - - if (!bpf_jit_enable) - return; -@@ -167,11 +272,19 @@ void bpf_jit_compile(struct sk_filter *fp) - if (addrs == NULL) - return; - -+ fp->work = kmalloc(sizeof(*fp->work), GFP_KERNEL); -+ if (!fp->work) -+ goto out; -+ -+#ifdef CONFIG_GRKERNSEC_JIT_HARDEN -+ randkey = get_random_int(); -+#endif -+ - /* Before first pass, make a rough estimation of addrs[] -- * each bpf instruction is translated to less than 64 bytes -+ * each bpf instruction is translated to less than MAX_INSTR_CODE_SIZE bytes - */ - for (proglen = 0, i = 0; i < flen; i++) { -- proglen += 64; -+ proglen += MAX_INSTR_CODE_SIZE; - addrs[i] = proglen; - } - cleanup_addr = proglen; /* epilogue address */ -@@ -282,10 +395,8 @@ void bpf_jit_compile(struct sk_filter *fp) - case BPF_S_ALU_MUL_K: /* A *= K */ - if (is_imm8(K)) - EMIT3(0x6b, 0xc0, K); /* imul imm8,%eax,%eax */ -- else { -- EMIT2(0x69, 0xc0); /* imul imm32,%eax */ -- EMIT(K, 4); -- } -+ else -+ EMIT2_off32(0x69, 0xc0, K); /* imul imm32,%eax */ - break; - case BPF_S_ALU_DIV_X: /* A /= X; */ - seen |= SEEN_XREG; -@@ -325,13 +436,23 @@ void bpf_jit_compile(struct sk_filter *fp) - break; - case BPF_S_ALU_MOD_K: /* A %= K; */ - EMIT2(0x31, 0xd2); /* xor %edx,%edx */ -+#ifdef CONFIG_GRKERNSEC_JIT_HARDEN -+ DILUTE_CONST_SEQUENCE(K, randkey); -+#else - EMIT1(0xb9);EMIT(K, 4); /* mov imm32,%ecx */ -+#endif - EMIT2(0xf7, 0xf1); /* div %ecx */ - EMIT2(0x89, 0xd0); /* mov %edx,%eax */ - break; - case BPF_S_ALU_DIV_K: /* A = reciprocal_divide(A, K); */ -+#ifdef CONFIG_GRKERNSEC_JIT_HARDEN -+ DILUTE_CONST_SEQUENCE(K, randkey); -+ // imul rax, rcx -+ EMIT4(0x48, 0x0f, 0xaf, 0xc1); -+#else - EMIT3(0x48, 0x69, 0xc0); /* imul imm32,%rax,%rax */ - EMIT(K, 4); -+#endif - EMIT4(0x48, 0xc1, 0xe8, 0x20); /* shr $0x20,%rax */ - break; - case BPF_S_ALU_AND_X: -@@ -602,8 +723,7 @@ common_load_ind: seen |= SEEN_DATAREF | SEEN_XREG; - if (is_imm8(K)) { - EMIT3(0x8d, 0x73, K); /* lea imm8(%rbx), %esi */ - } else { -- EMIT2(0x8d, 0xb3); /* lea imm32(%rbx),%esi */ -- EMIT(K, 4); -+ EMIT2_off32(0x8d, 0xb3, K); /* lea imm32(%rbx),%esi */ - } - } else { - EMIT2(0x89,0xde); /* mov %ebx,%esi */ -@@ -686,17 +806,18 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i]; - break; - default: - /* hmm, too complex filter, give up with jit compiler */ -- goto out; -+ goto error; - } - ilen = prog - temp; - if (image) { - if (unlikely(proglen + ilen > oldproglen)) { - pr_err("bpb_jit_compile fatal error\n"); -- kfree(addrs); -- module_free(NULL, image); -- return; -+ module_free_exec(NULL, image); -+ goto error; - } -+ pax_open_kernel(); - memcpy(image + proglen, temp, ilen); -+ pax_close_kernel(); - } - proglen += ilen; - addrs[i] = proglen; -@@ -717,11 +838,9 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i]; - break; - } - if (proglen == oldproglen) { -- image = module_alloc(max_t(unsigned int, -- proglen, -- sizeof(struct work_struct))); -+ image = module_alloc_exec(proglen); - if (!image) -- goto out; -+ goto error; - } - oldproglen = proglen; - } -@@ -732,7 +851,10 @@ cond_branch: f_offset = addrs[i + filter[i].jf] - addrs[i]; - if (image) { - bpf_flush_icache(image, image + proglen); - fp->bpf_func = (void *)image; -- } -+ } else -+error: -+ kfree(fp->work); -+ - out: - kfree(addrs); - return; -@@ -740,18 +862,20 @@ out: - - static void jit_free_defer(struct work_struct *arg) - { -- module_free(NULL, arg); -+ module_free_exec(NULL, ((struct bpf_jit_work *)arg)->image); -+ kfree(arg); - } - - /* run from softirq, we must use a work_struct to call -- * module_free() from process context -+ * module_free_exec() from process context - */ - void bpf_jit_free(struct sk_filter *fp) - { - if (fp->bpf_func != sk_run_filter) { -- struct work_struct *work = (struct work_struct *)fp->bpf_func; -+ struct work_struct *work = &fp->work->work; - - INIT_WORK(work, jit_free_defer); -+ fp->work->image = fp->bpf_func; - schedule_work(work); - } - } -diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c -index d6aa6e8..266395a 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 != sizeof(bufhead)) - 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 != sizeof(bufhead)) - return NULL; - -@@ -111,7 +111,7 @@ x86_backtrace(struct pt_regs * const regs, unsigned int depth) - { - struct stack_frame *head = (struct stack_frame *)frame_pointer(regs); - -- if (!user_mode_vm(regs)) { -+ if (!user_mode(regs)) { - unsigned long stack = kernel_stack_pointer(regs); - if (depth) - dump_trace(NULL, regs, (unsigned long *)stack, 0, -diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c -index 48768df..ba9143c 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" -@@ -774,8 +775,11 @@ 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 b2b9443..be58856 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/amd_bus.c b/arch/x86/pci/amd_bus.c -index e9e6ed5..e47ae67 100644 ---- a/arch/x86/pci/amd_bus.c -+++ b/arch/x86/pci/amd_bus.c -@@ -337,7 +337,7 @@ static int __cpuinit amd_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata amd_cpu_notifier = { -+static struct notifier_block amd_cpu_notifier = { - .notifier_call = amd_cpu_notify, - }; - -diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c -index 372e9b8..e775a6c 100644 ---- a/arch/x86/pci/irq.c -+++ b/arch/x86/pci/irq.c -@@ -50,7 +50,7 @@ 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) = NULL; -@@ -794,7 +794,7 @@ 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 }, -@@ -821,7 +821,7 @@ 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) { -@@ -1094,7 +1094,7 @@ 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/mrst.c b/arch/x86/pci/mrst.c -index 6eb18c4..20d83de 100644 ---- a/arch/x86/pci/mrst.c -+++ b/arch/x86/pci/mrst.c -@@ -238,7 +238,9 @@ int __init pci_mrst_init(void) - printk(KERN_INFO "Intel MID platform detected, using MID PCI ops\n"); - pci_mmcfg_late_init(); - pcibios_enable_irq = mrst_pci_irq_enable; -- pci_root_ops = pci_mrst_ops; -+ pax_open_kernel(); -+ memcpy((void *)&pci_root_ops, &pci_mrst_ops, sizeof(pci_mrst_ops)); -+ pax_close_kernel(); - pci_soc_mode = 1; - /* Continue with standard init */ - return 1; -diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c -index c77b24a..c979855 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 = { 0, __KERNEL_CS }; -+} bios32_indirect __read_only = { 0, __PCIBIOS_CS }; - - /* - * Returns the entry point for the given service, NULL on error -@@ -92,37 +92,80 @@ static unsigned long 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 check_pcibios(void) - { -@@ -131,11 +174,13 @@ static int 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 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 40e4469..d915bf9 100644 ---- a/arch/x86/platform/efi/efi_32.c -+++ b/arch/x86/platform/efi/efi_32.c -@@ -44,11 +44,22 @@ void efi_call_phys_prelog(void) - { - struct desc_ptr gdt_descr; - -+#ifdef CONFIG_PAX_KERNEXEC -+ struct desc_struct d; -+#endif -+ - local_irq_save(efi_rt_eflags); - - 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); -@@ -58,11 +69,24 @@ void efi_call_phys_epilog(void) - { - 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); - -+#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(); - - local_irq_restore(efi_rt_eflags); -diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c -index 39a0e7f1..872396e 100644 ---- a/arch/x86/platform/efi/efi_64.c -+++ b/arch/x86/platform/efi/efi_64.c -@@ -76,6 +76,11 @@ void __init efi_call_phys_prelog(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(); - } - -@@ -89,6 +94,11 @@ void __init efi_call_phys_epilog(void) - for (pgd = 0; pgd < n_pgds; pgd++) - set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), save_pgd[pgd]); - kfree(save_pgd); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ load_cr3(get_cpu_pgd(smp_processor_id(), kernel)); -+#endif -+ - __flush_tlb_all(); - local_irq_restore(efi_flags); - early_code_mapping_set_exec(0); -diff --git a/arch/x86/platform/efi/efi_stub_32.S b/arch/x86/platform/efi/efi_stub_32.S -index fbe66e6..eae5e38 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 prelog 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 4c07cca..2c8427d 100644 ---- a/arch/x86/platform/efi/efi_stub_64.S -+++ b/arch/x86/platform/efi/efi_stub_64.S -@@ -7,6 +7,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - #define SAVE_XMM \ - mov %rsp, %rax; \ -@@ -40,6 +41,7 @@ ENTRY(efi_call0) - call *%rdi - addq $32, %rsp - RESTORE_XMM -+ pax_force_retaddr 0, 1 - ret - ENDPROC(efi_call0) - -@@ -50,6 +52,7 @@ ENTRY(efi_call1) - call *%rdi - addq $32, %rsp - RESTORE_XMM -+ pax_force_retaddr 0, 1 - ret - ENDPROC(efi_call1) - -@@ -60,6 +63,7 @@ ENTRY(efi_call2) - call *%rdi - addq $32, %rsp - RESTORE_XMM -+ pax_force_retaddr 0, 1 - ret - ENDPROC(efi_call2) - -@@ -71,6 +75,7 @@ ENTRY(efi_call3) - call *%rdi - addq $32, %rsp - RESTORE_XMM -+ pax_force_retaddr 0, 1 - ret - ENDPROC(efi_call3) - -@@ -83,6 +88,7 @@ ENTRY(efi_call4) - call *%rdi - addq $32, %rsp - RESTORE_XMM -+ pax_force_retaddr 0, 1 - ret - ENDPROC(efi_call4) - -@@ -96,6 +102,7 @@ ENTRY(efi_call5) - call *%rdi - addq $48, %rsp - RESTORE_XMM -+ pax_force_retaddr 0, 1 - ret - ENDPROC(efi_call5) - -@@ -112,5 +119,6 @@ ENTRY(efi_call6) - call *%rdi - addq $48, %rsp - RESTORE_XMM -+ pax_force_retaddr 0, 1 - ret - ENDPROC(efi_call6) -diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c -index a0a0a43..a48e233 100644 ---- a/arch/x86/platform/mrst/mrst.c -+++ b/arch/x86/platform/mrst/mrst.c -@@ -78,13 +78,15 @@ struct sfi_rtc_table_entry sfi_mrtc_array[SFI_MRTC_MAX]; - EXPORT_SYMBOL_GPL(sfi_mrtc_array); - int sfi_mrtc_num; - --static void mrst_power_off(void) -+static __noreturn void mrst_power_off(void) - { -+ BUG(); - } - --static void mrst_reboot(void) -+static __noreturn void mrst_reboot(void) - { - intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0); -+ BUG(); - } - - /* parse all the mtimer info to a static mtimer array */ -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 1cf5b30..fd45732 100644 ---- a/arch/x86/power/cpu.c -+++ b/arch/x86/power/cpu.c -@@ -137,11 +137,8 @@ static void do_fpu_end(void) - static void fix_processor_context(void) - { - int cpu = smp_processor_id(); -- struct tss_struct *t = &per_cpu(init_tss, cpu); --#ifdef CONFIG_X86_64 -- struct desc_struct *desc = get_cpu_gdt_table(cpu); -- tss_desc tss; --#endif -+ struct tss_struct *t = init_tss + cpu; -+ - set_tss_desc(cpu, t); /* - * This just modifies memory; should not be - * necessary. But... This is necessary, because -@@ -150,10 +147,6 @@ 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 a44f457..9140171 100644 ---- a/arch/x86/realmode/init.c -+++ b/arch/x86/realmode/init.c -@@ -70,7 +70,13 @@ 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 -@@ -86,7 +92,7 @@ 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 8869287..d577672 100644 ---- a/arch/x86/realmode/rm/Makefile -+++ b/arch/x86/realmode/rm/Makefile -@@ -78,5 +78,8 @@ KBUILD_CFLAGS := $(LINUXINCLUDE) -m32 -g -Os -D_SETUP -D__KERNEL__ -D_WAKEUP \ - $(call cc-option, -fno-unit-at-a-time)) \ - $(call cc-option, -fno-stack-protector) \ - $(call cc-option, -mpreferred-stack-boundary=2) -+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/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S -index c1b2791..f9e31c7 100644 ---- a/arch/x86/realmode/rm/trampoline_32.S -+++ b/arch/x86/realmode/rm/trampoline_32.S -@@ -25,6 +25,12 @@ - #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 - -@@ -39,8 +45,6 @@ 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 - -@@ -56,7 +60,7 @@ 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 -@@ -67,7 +71,7 @@ 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 bb360dc..d0fd8f8 100644 ---- a/arch/x86/realmode/rm/trampoline_64.S -+++ b/arch/x86/realmode/rm/trampoline_64.S -@@ -94,6 +94,7 @@ 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 -@@ -107,7 +108,7 @@ 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/tools/Makefile b/arch/x86/tools/Makefile -index e812034..c747134 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 - relocs: $(obj)/relocs -diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c -index f7bab68..b6d9886 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; -@@ -383,9 +386,39 @@ 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)); -@@ -420,7 +453,7 @@ 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) { -@@ -445,7 +478,7 @@ 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) { -@@ -476,9 +509,11 @@ 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) { -@@ -498,9 +533,22 @@ 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); -@@ -512,7 +560,7 @@ static void read_relocs(FILE *fp) - - static void print_absolute_symbols(void) - { -- int i; -+ unsigned int i; - const char *format; - - if (ELF_BITS == 64) -@@ -525,7 +573,7 @@ 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; -@@ -552,7 +600,7 @@ 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) -@@ -565,7 +613,7 @@ 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; - } -@@ -642,13 +690,13 @@ 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) { -@@ -812,6 +860,23 @@ 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: -@@ -950,7 +1015,7 @@ 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); -@@ -1026,10 +1091,11 @@ 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/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 fd14be1..e3c79c0 100644 ---- a/arch/x86/vdso/Makefile -+++ b/arch/x86/vdso/Makefile -@@ -181,7 +181,7 @@ 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) - GCOV_PROFILE := n - - # -diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c -index 0faad64..39ef157 100644 ---- a/arch/x86/vdso/vdso32-setup.c -+++ b/arch/x86/vdso/vdso32-setup.c -@@ -25,6 +25,7 @@ - #include <asm/tlbflush.h> - #include <asm/vdso.h> - #include <asm/proto.h> -+#include <asm/mman.h> - - enum { - VDSO_DISABLED = 0, -@@ -226,7 +227,7 @@ static inline void map_compat_vdso(int map) - void enable_sep_cpu(void) - { - int cpu = get_cpu(); -- struct tss_struct *tss = &per_cpu(init_tss, cpu); -+ struct tss_struct *tss = init_tss + cpu; - - if (!boot_cpu_has(X86_FEATURE_SEP)) { - put_cpu(); -@@ -249,7 +250,7 @@ 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; - } -@@ -330,14 +331,14 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - if (compat) - addr = VDSO_HIGH_BASE; - else { -- addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, 0); -+ addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, MAP_EXECUTABLE); - if (IS_ERR_VALUE(addr)) { - ret = addr; - goto up_fail; - } - } - -- current->mm->context.vdso = (void *)addr; -+ current->mm->context.vdso = addr; - - if (compat_uses_vma || !compat) { - /* -@@ -353,11 +354,11 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - } - - current_thread_info()->sysenter_return = -- VDSO32_SYMBOL(addr, SYSENTER_RETURN); -+ (__force void __user *)VDSO32_SYMBOL(addr, SYSENTER_RETURN); - - up_fail: - if (ret) -- current->mm->context.vdso = NULL; -+ current->mm->context.vdso = 0; - - up_write(&mm->mmap_sem); - -@@ -404,8 +405,14 @@ __initcall(ia32_binfmt_init); - - const char *arch_vma_name(struct vm_area_struct *vma) - { -- if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso) -+ if (vma->vm_mm && vma->vm_start == vma->vm_mm->context.vdso) - return "[vdso]"; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma->vm_mm && vma->vm_mirror && vma->vm_mirror->vm_start == vma->vm_mm->context.vdso) -+ return "[vdso]"; -+#endif -+ - return NULL; - } - -@@ -415,7 +422,7 @@ struct vm_area_struct *get_gate_vma(struct mm_struct *mm) - * Check to see if the corresponding task was created in compat vdso - * mode. - */ -- if (mm && mm->context.vdso == (void *)VDSO_HIGH_BASE) -+ if (mm && mm->context.vdso == VDSO_HIGH_BASE) - return &gate_vma; - return NULL; - } -diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c -index 431e875..cbb23f3 100644 ---- a/arch/x86/vdso/vma.c -+++ b/arch/x86/vdso/vma.c -@@ -16,8 +16,6 @@ - #include <asm/vdso.h> - #include <asm/page.h> - --unsigned int __read_mostly vdso_enabled = 1; -- - extern char vdso_start[], vdso_end[]; - extern unsigned short vdso_sync_cpuid; - -@@ -141,7 +139,6 @@ static unsigned long vdso_addr(unsigned long start, unsigned len) - * unaligned here as a result of stack start randomization. - */ - addr = PAGE_ALIGN(addr); -- addr = align_vdso_addr(addr); - - return addr; - } -@@ -154,30 +151,31 @@ static int setup_additional_pages(struct linux_binprm *bprm, - unsigned size) - { - struct mm_struct *mm = current->mm; -- unsigned long addr; -+ unsigned long addr = 0; - int ret; - -- if (!vdso_enabled) -- return 0; -- - down_write(&mm->mmap_sem); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - addr = vdso_addr(mm->start_stack, size); -+ addr = align_vdso_addr(addr); - addr = get_unmapped_area(NULL, addr, size, 0, 0); - if (IS_ERR_VALUE(addr)) { - ret = addr; - goto up_fail; - } - -- current->mm->context.vdso = (void *)addr; -+ mm->context.vdso = addr; - - ret = install_special_mapping(mm, addr, size, - VM_READ|VM_EXEC| - VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC, - pages); -- if (ret) { -- current->mm->context.vdso = NULL; -- goto up_fail; -- } -+ if (ret) -+ mm->context.vdso = 0; - - up_fail: - up_write(&mm->mmap_sem); -@@ -197,10 +195,3 @@ int x32_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - vdsox32_size); - } - #endif -- --static __init int vdso_setup(char *s) --{ -- vdso_enabled = simple_strtoul(s, NULL, 0); -- return 0; --} --__setup("vdso=", vdso_setup); -diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c -index a492be2..08678da 100644 ---- a/arch/x86/xen/enlighten.c -+++ b/arch/x86/xen/enlighten.c -@@ -123,8 +123,6 @@ 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); -@@ -542,8 +540,7 @@ 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; - - /* -@@ -591,8 +588,7 @@ 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; - - /* -@@ -600,7 +596,7 @@ 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++) { -@@ -985,7 +981,7 @@ static u32 xen_safe_apic_wait_icr_idle(void) - return 0; - } - --static void set_xen_basic_apic_ops(void) -+static void __init set_xen_basic_apic_ops(void) - { - apic->read = xen_apic_read; - apic->write = xen_apic_write; -@@ -1290,30 +1286,30 @@ 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(); -@@ -1464,7 +1460,17 @@ asmlinkage 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 - - xen_setup_features(); - -@@ -1495,13 +1501,6 @@ asmlinkage 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 -@@ -1700,7 +1699,7 @@ static int __cpuinit xen_hvm_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block xen_hvm_cpu_notifier __cpuinitdata = { -+static struct notifier_block xen_hvm_cpu_notifier = { - .notifier_call = xen_hvm_cpu_notify, - }; - -diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c -index fdc3ba2..3daee39 100644 ---- a/arch/x86/xen/mmu.c -+++ b/arch/x86/xen/mmu.c -@@ -1894,6 +1894,9 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) - /* L3_k[510] -> level2_kernel_pgt - * L3_i[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); - - /* We get [511][511] and have Xen's version of level2_kernel_pgt */ - l3 = m2v(pgd[pgd_index(__START_KERNEL_map)].pgd); -@@ -1923,8 +1926,12 @@ 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); - -@@ -2108,6 +2115,7 @@ static void __init xen_post_allocator_init(void) - pv_mmu_ops.set_pud = xen_set_pud; - #if PAGETABLE_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 -@@ -2186,6 +2194,7 @@ 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 a1e58e1..9392ad8 100644 ---- a/arch/x86/xen/smp.c -+++ b/arch/x86/xen/smp.c -@@ -240,11 +240,6 @@ static void __init xen_smp_prepare_boot_cpu(void) - { - BUG_ON(smp_processor_id() != 0); - native_smp_prepare_boot_cpu(); -- -- /* 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); -- - xen_filter_cpu_maps(); - xen_setup_vcpu_info_placement(); - } -@@ -314,7 +309,7 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle) - ctxt->user_regs.ss = __KERNEL_DS; - #ifdef CONFIG_X86_32 - ctxt->user_regs.fs = __KERNEL_PERCPU; -- ctxt->user_regs.gs = __KERNEL_STACK_CANARY; -+ savesegment(gs, ctxt->user_regs.gs); - #else - ctxt->gs_base_kernel = per_cpu_offset(cpu); - #endif -@@ -324,8 +319,8 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle) - - { - 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; - - xen_copy_trap_info(ctxt->trap_ctxt); - -@@ -370,13 +365,12 @@ static int __cpuinit xen_cpu_up(unsigned int cpu, struct task_struct *idle) - int rc; - - per_cpu(current_task, cpu) = idle; -+ per_cpu(current_tinfo, cpu) = &idle->tinfo; - #ifdef CONFIG_X86_32 - irq_ctx_init(cpu); - #else - clear_tsk_thread_flag(idle, TIF_FORK); -- per_cpu(kernel_stack, cpu) = -- (unsigned long)task_stack_page(idle) - -- KERNEL_STACK_OFFSET + THREAD_SIZE; -+ per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE; - #endif - xen_setup_runstate_info(cpu); - xen_setup_timer(cpu); -@@ -651,7 +645,7 @@ 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(); - xen_init_spinlocks(); - } -diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S -index 33ca6e4..0ded929 100644 ---- a/arch/x86/xen/xen-asm_32.S -+++ b/arch/x86/xen/xen-asm_32.S -@@ -84,14 +84,14 @@ ENTRY(xen_iret) - ESP_OFFSET=4 # bytes pushed onto stack - - /* -- * Store vcpu_info pointer for easy access. Do it this way to -- * avoid having to reload %fs -+ * Store vcpu_info pointer for easy access. - */ - #ifdef CONFIG_SMP -- GET_THREAD_INFO(%eax) -- movl %ss:TI_cpu(%eax), %eax -- movl %ss:__per_cpu_offset(,%eax,4), %eax -- mov %ss:xen_vcpu(%eax), %eax -+ push %fs -+ mov $(__KERNEL_PERCPU), %eax -+ mov %eax, %fs -+ mov PER_CPU_VAR(xen_vcpu), %eax -+ pop %fs - #else - movl %ss:xen_vcpu, %eax - #endif -diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S -index 7faed58..ba4427c 100644 ---- a/arch/x86/xen/xen-head.S -+++ b/arch/x86/xen/xen-head.S -@@ -19,6 +19,17 @@ 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 a95b417..b6dbd0b 100644 ---- a/arch/x86/xen/xen-ops.h -+++ b/arch/x86/xen/xen-ops.h -@@ -10,8 +10,6 @@ - extern const char xen_hypervisor_callback[]; - extern const char xen_failsafe_callback[]; - --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/arch/xtensa/variants/s6000/include/variant/core.h b/arch/xtensa/variants/s6000/include/variant/core.h -index af00795..2bb8105 100644 ---- a/arch/xtensa/variants/s6000/include/variant/core.h -+++ b/arch/xtensa/variants/s6000/include/variant/core.h -@@ -11,6 +11,7 @@ - #ifndef _XTENSA_CORE_CONFIGURATION_H - #define _XTENSA_CORE_CONFIGURATION_H - -+#include <linux/const.h> - - /**************************************************************************** - Parameters Useful for Any Code, USER or PRIVILEGED -@@ -118,9 +119,9 @@ - ----------------------------------------------------------------------*/ - - #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 32768 /* I-cache size in bytes or 0 */ - #define XCHAL_DCACHE_SIZE 32768 /* D-cache size in bytes or 0 */ -diff --git a/block/blk-iopoll.c b/block/blk-iopoll.c -index 58916af..eb9dbcf6 100644 ---- a/block/blk-iopoll.c -+++ b/block/blk-iopoll.c -@@ -77,7 +77,7 @@ void blk_iopoll_complete(struct blk_iopoll *iopoll) - } - EXPORT_SYMBOL(blk_iopoll_complete); - --static void blk_iopoll_softirq(struct softirq_action *h) -+static void blk_iopoll_softirq(void) - { - struct list_head *list = &__get_cpu_var(blk_cpu_iopoll); - int rearm = 0, budget = blk_iopoll_budget; -@@ -209,7 +209,7 @@ static int __cpuinit blk_iopoll_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata blk_iopoll_cpu_notifier = { -+static struct notifier_block blk_iopoll_cpu_notifier = { - .notifier_call = blk_iopoll_cpu_notify, - }; - -diff --git a/block/blk-map.c b/block/blk-map.c -index 623e1cd..ca1e109 100644 ---- a/block/blk-map.c -+++ b/block/blk-map.c -@@ -302,7 +302,7 @@ 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 467c8de..f3628c5 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 void blk_done_softirq(void) - { - struct list_head *cpu_list, local_list; - -@@ -98,7 +98,7 @@ static int __cpuinit blk_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata blk_cpu_notifier = { -+static struct notifier_block blk_cpu_notifier = { - .notifier_call = blk_cpu_notify, - }; - -diff --git a/block/bsg.c b/block/bsg.c -index 420a5a9..23834aa 100644 ---- a/block/bsg.c -+++ b/block/bsg.c -@@ -176,16 +176,24 @@ 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 7c668c8..db3521c 100644 ---- a/block/compat_ioctl.c -+++ b/block/compat_ioctl.c -@@ -340,7 +340,7 @@ 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 cdeb527..10aa34db 100644 ---- a/block/genhd.c -+++ b/block/genhd.c -@@ -467,21 +467,24 @@ 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 c85fc89..51e690b 100644 ---- a/block/partitions/efi.c -+++ b/block/partitions/efi.c -@@ -234,14 +234,14 @@ 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) { -diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c -index a5ffcc9..3cedc9c 100644 ---- a/block/scsi_ioctl.c -+++ b/block/scsi_ioctl.c -@@ -224,8 +224,20 @@ 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; - -@@ -434,6 +446,8 @@ 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; -@@ -467,9 +481,18 @@ 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 7bdd61b..afec999 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 b2c99dc..476c9fb 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); - -@@ -455,8 +455,8 @@ static int pcrypt_init_padata(struct padata_pcrypt *pcrypt, - - get_online_cpus(); - -- pcrypt->wq = alloc_workqueue(name, -- WQ_MEM_RECLAIM | WQ_CPU_INTENSIVE, 1); -+ pcrypt->wq = alloc_workqueue("%s", -+ WQ_MEM_RECLAIM | WQ_CPU_INTENSIVE, 1, name); - if (!pcrypt->wq) - goto err; - -diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h -index f220d64..d359ad6 100644 ---- a/drivers/acpi/apei/apei-internal.h -+++ b/drivers/acpi/apei/apei-internal.h -@@ -20,7 +20,7 @@ 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/cper.c b/drivers/acpi/apei/cper.c -index 33dc6a0..4b24b47 100644 ---- a/drivers/acpi/apei/cper.c -+++ b/drivers/acpi/apei/cper.c -@@ -39,12 +39,12 @@ - */ - 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/acpi/bgrt.c b/drivers/acpi/bgrt.c -index be60399..778b33e8 100644 ---- a/drivers/acpi/bgrt.c -+++ b/drivers/acpi/bgrt.c -@@ -87,8 +87,10 @@ static int __init bgrt_init(void) - return -ENODEV; - - sysfs_bin_attr_init(&image_attr); -- image_attr.private = bgrt_image; -- image_attr.size = bgrt_image_size; -+ pax_open_kernel(); -+ *(void **)&image_attr.private = bgrt_image; -+ *(size_t *)&image_attr.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 cb96296..b81293b 100644 ---- a/drivers/acpi/blacklist.c -+++ b/drivers/acpi/blacklist.c -@@ -52,7 +52,7 @@ 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. -@@ -193,7 +193,7 @@ static int __init dmi_disable_osi_win7(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/ec_sys.c b/drivers/acpi/ec_sys.c -index 7586544..636a2f0 100644 ---- a/drivers/acpi/ec_sys.c -+++ b/drivers/acpi/ec_sys.c -@@ -12,6 +12,7 @@ - #include <linux/acpi.h> - #include <linux/debugfs.h> - #include <linux/module.h> -+#include <linux/uaccess.h> - #include "internal.h" - - MODULE_AUTHOR("Thomas Renninger trenn@suse.de"); -@@ -34,7 +35,7 @@ static ssize_t acpi_ec_read_io(struct file *f, char __user *buf, - * struct acpi_ec *ec = ((struct seq_file *)f->private_data)->private; - */ - unsigned int size = EC_SPACE_SIZE; -- u8 *data = (u8 *) buf; -+ u8 data; - loff_t init_off = *off; - int err = 0; - -@@ -47,9 +48,11 @@ static ssize_t acpi_ec_read_io(struct file *f, char __user *buf, - size = count; - - while (size) { -- err = ec_read(*off, &data[*off - init_off]); -+ err = ec_read(*off, &data); - if (err) - return err; -+ if (put_user(data, &buf[*off - init_off])) -+ return -EFAULT; - *off += 1; - size--; - } -@@ -65,7 +68,6 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf, - - unsigned int size = count; - loff_t init_off = *off; -- u8 *data = (u8 *) buf; - int err = 0; - - if (*off >= EC_SPACE_SIZE) -@@ -76,7 +78,9 @@ static ssize_t acpi_ec_write_io(struct file *f, const char __user *buf, - } - - while (size) { -- u8 byte_write = data[*off - init_off]; -+ u8 byte_write; -+ if (get_user(byte_write, &buf[*off - init_off])) -+ return -EFAULT; - err = ec_write(*off, byte_write); - if (err) - return err; -diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c -index eb133c7..f571552 100644 ---- a/drivers/acpi/processor_idle.c -+++ b/drivers/acpi/processor_idle.c -@@ -994,7 +994,7 @@ 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/sysfs.c b/drivers/acpi/sysfs.c -index fcae5fa..e9f71ea 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/ata/libahci.c b/drivers/ata/libahci.c -index 7b9bdd8..37638ca 100644 ---- a/drivers/ata/libahci.c -+++ b/drivers/ata/libahci.c -@@ -1230,7 +1230,7 @@ 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 adf002a..39bb8f9 100644 ---- a/drivers/ata/libata-core.c -+++ b/drivers/ata/libata-core.c -@@ -4792,7 +4792,7 @@ 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; -@@ -4808,7 +4808,7 @@ 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; -@@ -5926,6 +5926,7 @@ 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; -@@ -5939,8 +5940,9 @@ 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); - } - -diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c -index 7638121..357a965 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 77a7480d..05cde58 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 0e3f8f9..765a7a5 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; - } - -@@ -299,7 +299,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb) - out_vcc = find_vcc(dev, ntohs(hdr->vpi), ntohs(hdr->vci)); - read_unlock(&vcc_sklist_lock); - if (!out_vcc) { -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - goto done; - } - skb_pull(skb,sizeof(struct atmtcp_hdr)); -@@ -311,8 +311,8 @@ 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 b1955ba..b179940 100644 ---- a/drivers/atm/eni.c -+++ b/drivers/atm/eni.c -@@ -522,7 +522,7 @@ 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 */ -@@ -577,7 +577,7 @@ 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); -@@ -594,7 +594,7 @@ 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; -@@ -767,7 +767,7 @@ rx_dequeued++; - vcc->push(vcc,skb); - pushed++; - } -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - wake_up(&eni_dev->rx_wait); - } -@@ -1227,7 +1227,7 @@ static void dequeue_tx(struct atm_dev *dev) - PCI_DMA_TODEVICE); - 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 b41c948..a002b17 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 204814e..cede831 100644 ---- a/drivers/atm/fore200e.c -+++ b/drivers/atm/fore200e.c -@@ -931,9 +931,9 @@ 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); - } - } - -@@ -1082,7 +1082,7 @@ 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; - } - -@@ -1125,14 +1125,14 @@ 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); - -@@ -1210,7 +1210,7 @@ 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); - } - } - -@@ -1655,7 +1655,7 @@ 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 507362a..a845e57 100644 ---- a/drivers/atm/he.c -+++ b/drivers/atm/he.c -@@ -1698,7 +1698,7 @@ 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; - } - -@@ -1725,7 +1725,7 @@ 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; - } - -@@ -1777,7 +1777,7 @@ 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; -@@ -2103,7 +2103,7 @@ __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); - } - pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status)); - return; -@@ -2515,7 +2515,7 @@ 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; - } - -@@ -2526,7 +2526,7 @@ 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 -@@ -2538,7 +2538,7 @@ 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; - } -@@ -2580,7 +2580,7 @@ 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; - } -@@ -2611,7 +2611,7 @@ 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 1dc0519..1aadaf7 100644 ---- a/drivers/atm/horizon.c -+++ b/drivers/atm/horizon.c -@@ -1034,7 +1034,7 @@ 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); -@@ -1186,7 +1186,7 @@ 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 272f009..a18ba55 100644 ---- a/drivers/atm/idt77252.c -+++ b/drivers/atm/idt77252.c -@@ -812,7 +812,7 @@ 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); -@@ -1075,13 +1075,13 @@ 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; - } -@@ -1098,7 +1098,7 @@ 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; - } -@@ -1135,13 +1135,13 @@ 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) { -@@ -1152,7 +1152,7 @@ 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)) { -@@ -1171,7 +1171,7 @@ 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; - } -@@ -1193,7 +1193,7 @@ 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); -@@ -1304,14 +1304,14 @@ 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; - } - -@@ -1330,7 +1330,7 @@ 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); -@@ -1955,13 +1955,13 @@ 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; - } -@@ -1973,14 +1973,14 @@ 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; - } -@@ -1988,7 +1988,7 @@ 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; - } -@@ -2011,7 +2011,7 @@ 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 4217f29..88f547a 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: -@@ -2826,15 +2826,15 @@ 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; -@@ -2939,7 +2939,7 @@ 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 -@@ -3044,14 +3044,14 @@ 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 fa7d701..1e404c7 100644 ---- a/drivers/atm/lanai.c -+++ b/drivers/atm/lanai.c -@@ -1303,7 +1303,7 @@ 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 */ -@@ -1426,7 +1426,7 @@ 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); -@@ -1667,7 +1667,7 @@ 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)))) { -@@ -1679,7 +1679,7 @@ 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) - -@@ -1691,7 +1691,7 @@ 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); -@@ -1699,7 +1699,7 @@ 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 6587dc2..149833d 100644 ---- a/drivers/atm/nicstar.c -+++ b/drivers/atm/nicstar.c -@@ -1641,7 +1641,7 @@ 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; - } -@@ -1649,7 +1649,7 @@ 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; - } -@@ -1657,14 +1657,14 @@ 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; - } -@@ -1712,11 +1712,11 @@ 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; - } -@@ -2033,14 +2033,14 @@ 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; - } -@@ -2055,7 +2055,7 @@ 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; - } - -@@ -2072,7 +2072,7 @@ 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; - } -@@ -2096,7 +2096,7 @@ 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; -@@ -2116,7 +2116,7 @@ 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); -@@ -2129,7 +2129,7 @@ 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; -@@ -2152,7 +2152,7 @@ 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; -@@ -2166,7 +2166,7 @@ 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); -@@ -2176,7 +2176,7 @@ 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); - } - } else if (NS_PRV_IOVCNT(iovb) == 2) { /* One small plus one large buffer */ - struct sk_buff *sb; -@@ -2187,7 +2187,7 @@ 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); -@@ -2197,7 +2197,7 @@ 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); - } - - push_rxbufs(card, skb); -@@ -2206,7 +2206,7 @@ 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); - #ifdef NS_USE_DESTRUCTORS -@@ -2219,7 +2219,7 @@ 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); -@@ -2240,7 +2240,7 @@ 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, -@@ -2291,7 +2291,7 @@ 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; -@@ -2328,7 +2328,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - #endif /* NS_USE_DESTRUCTORS */ - __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 32784d1..4a8434a 100644 ---- a/drivers/atm/solos-pci.c -+++ b/drivers/atm/solos-pci.c -@@ -838,7 +838,7 @@ 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 969c3c2..9b72956 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/attribute_container.c b/drivers/base/attribute_container.c -index d78b204..ecc1929 100644 ---- a/drivers/base/attribute_container.c -+++ b/drivers/base/attribute_container.c -@@ -167,7 +167,7 @@ attribute_container_add_device(struct device *dev, - ic->classdev.parent = get_device(dev); - ic->classdev.class = cont->class; - cont->class->dev_release = attribute_container_release; -- dev_set_name(&ic->classdev, dev_name(dev)); -+ dev_set_name(&ic->classdev, "%s", dev_name(dev)); - if (fn) - fn(cont, dev, &ic->classdev); - else -diff --git a/drivers/base/bus.c b/drivers/base/bus.c -index d414331..b4dd4ba 100644 ---- a/drivers/base/bus.c -+++ b/drivers/base/bus.c -@@ -1163,7 +1163,7 @@ 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))) -@@ -1188,7 +1188,7 @@ 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 7413d06..79155fa 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 7616a77c..8f57f51 100644 ---- a/drivers/base/node.c -+++ b/drivers/base/node.c -@@ -626,7 +626,7 @@ 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 7072404..76dcebd 100644 ---- a/drivers/base/power/domain.c -+++ b/drivers/base/power/domain.c -@@ -1850,7 +1850,7 @@ int pm_genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state) - { - struct cpuidle_driver *cpuidle_drv; - struct gpd_cpu_data *cpu_data; -- struct cpuidle_state *idle_state; -+ cpuidle_state_no_const *idle_state; - int ret = 0; - - if (IS_ERR_OR_NULL(genpd) || state < 0) -@@ -1918,7 +1918,7 @@ int pm_genpd_name_attach_cpuidle(const char *name, int state) - int pm_genpd_detach_cpuidle(struct generic_pm_domain *genpd) - { - struct gpd_cpu_data *cpu_data; -- struct cpuidle_state *idle_state; -+ cpuidle_state_no_const *idle_state; - int ret = 0; - - if (IS_ERR_OR_NULL(genpd)) -diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c -index a53ebd2..8f73eeb 100644 ---- a/drivers/base/power/sysfs.c -+++ b/drivers/base/power/sysfs.c -@@ -185,7 +185,7 @@ 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 79715e7..df06b3b 100644 ---- a/drivers/base/power/wakeup.c -+++ b/drivers/base/power/wakeup.c -@@ -29,14 +29,14 @@ bool events_check_enabled __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; -@@ -395,7 +395,7 @@ 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); - } -@@ -521,7 +521,7 @@ 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 e8d11b6..7b1b36f 100644 ---- a/drivers/base/syscore.c -+++ b/drivers/base/syscore.c -@@ -21,7 +21,7 @@ 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); -@@ -33,7 +33,7 @@ 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 62b6c2c..4a11354 100644 ---- a/drivers/block/cciss.c -+++ b/drivers/block/cciss.c -@@ -1189,6 +1189,8 @@ static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode, - int err; - u32 cp; - -+ memset(&arg64, 0, sizeof(arg64)); -+ - err = 0; - err |= - copy_from_user(&arg64.LUN_info, &arg32->LUN_info, -@@ -3010,7 +3012,7 @@ 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; - } -@@ -3020,7 +3022,7 @@ 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); -@@ -3446,17 +3448,17 @@ 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)); - } - -@@ -3489,7 +3491,7 @@ 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 */ -@@ -4046,7 +4048,7 @@ 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; -@@ -4319,7 +4321,7 @@ 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"); -@@ -5051,7 +5053,7 @@ 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; -@@ -5101,7 +5103,7 @@ 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, -@@ -5121,9 +5123,9 @@ 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) -@@ -5146,7 +5148,7 @@ 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); -@@ -5218,7 +5220,7 @@ 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..eb5dfe0 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; -diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c -index 639d26b..fd6ad1f 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_DISABLED|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) - { -@@ -1193,6 +1193,7 @@ out_passthru: - ida_pci_info_struct pciinfo; - - if (!arg) return -EINVAL; -+ memset(&pciinfo, 0, sizeof(pciinfo)); - pciinfo.bus = host->pci_dev->bus->number; - pciinfo.dev_fn = host->pci_dev->devfn; - pciinfo.board_id = host->board_id; -@@ -1447,11 +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; - } -@@ -1464,7 +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, -@@ -1547,9 +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]; -@@ -1589,7 +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_int.h b/drivers/block/drbd/drbd_int.h -index f943aac..99bfd19 100644 ---- a/drivers/block/drbd/drbd_int.h -+++ b/drivers/block/drbd/drbd_int.h -@@ -582,7 +582,7 @@ struct drbd_epoch { - struct drbd_tconn *tconn; - 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; - }; -@@ -1021,7 +1021,7 @@ struct drbd_conf { - 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 int minor; -@@ -1562,7 +1562,7 @@ static inline int drbd_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/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c -index a5dca6a..bb27967 100644 ---- a/drivers/block/drbd/drbd_main.c -+++ b/drivers/block/drbd/drbd_main.c -@@ -1317,7 +1317,7 @@ static int _drbd_send_ack(struct drbd_conf *mdev, enum drbd_packet cmd, - p->sector = sector; - p->block_id = block_id; - p->blksize = blksize; -- p->seq_num = cpu_to_be32(atomic_inc_return(&mdev->packet_seq)); -+ p->seq_num = cpu_to_be32(atomic_inc_return_unchecked(&mdev->packet_seq)); - return drbd_send_command(mdev, sock, cmd, sizeof(*p), NULL, 0); - } - -@@ -1619,7 +1619,7 @@ int drbd_send_dblock(struct drbd_conf *mdev, struct drbd_request *req) - 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(&mdev->packet_seq)); -+ p->seq_num = cpu_to_be32(atomic_inc_return_unchecked(&mdev->packet_seq)); - dp_flags = bio_flags_to_wire(mdev, req->master_bio->bi_rw); - if (mdev->state.conn >= C_SYNC_SOURCE && - mdev->state.conn <= C_PAUSED_SYNC_T) -@@ -2574,8 +2574,8 @@ void conn_destroy(struct kref *kref) - { - struct drbd_tconn *tconn = container_of(kref, struct drbd_tconn, kref); - -- if (atomic_read(&tconn->current_epoch->epoch_size) != 0) -- conn_err(tconn, "epoch_size:%d\n", atomic_read(&tconn->current_epoch->epoch_size)); -+ if (atomic_read_unchecked(&tconn->current_epoch->epoch_size) != 0) -+ conn_err(tconn, "epoch_size:%d\n", atomic_read_unchecked(&tconn->current_epoch->epoch_size)); - kfree(tconn->current_epoch); - - idr_destroy(&tconn->volumes); -diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c -index 4222aff..1f79506 100644 ---- a/drivers/block/drbd/drbd_receiver.c -+++ b/drivers/block/drbd/drbd_receiver.c -@@ -834,7 +834,7 @@ int drbd_connected(struct drbd_conf *mdev) - { - int err; - -- atomic_set(&mdev->packet_seq, 0); -+ atomic_set_unchecked(&mdev->packet_seq, 0); - mdev->peer_seq = 0; - - mdev->state_mutex = mdev->tconn->agreed_pro_version < 100 ? -@@ -1193,7 +1193,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_tconn *tconn, - 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: -@@ -1233,7 +1233,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_tconn *tconn, - 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; -@@ -1451,7 +1451,7 @@ static int receive_Barrier(struct drbd_tconn *tconn, struct packet_info *pi) - conn_wait_active_ee_empty(tconn); - drbd_flush(tconn); - -- if (atomic_read(&tconn->current_epoch->epoch_size)) { -+ if (atomic_read_unchecked(&tconn->current_epoch->epoch_size)) { - epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); - if (epoch) - break; -@@ -1464,11 +1464,11 @@ static int receive_Barrier(struct drbd_tconn *tconn, struct packet_info *pi) - } - - epoch->flags = 0; -- atomic_set(&epoch->epoch_size, 0); -+ atomic_set_unchecked(&epoch->epoch_size, 0); - atomic_set(&epoch->active, 0); - - spin_lock(&tconn->epoch_lock); -- if (atomic_read(&tconn->current_epoch->epoch_size)) { -+ if (atomic_read_unchecked(&tconn->current_epoch->epoch_size)) { - list_add(&epoch->list, &tconn->current_epoch->list); - tconn->current_epoch = epoch; - tconn->epochs++; -@@ -2172,7 +2172,7 @@ static int receive_Data(struct drbd_tconn *tconn, struct packet_info *pi) - - err = wait_for_and_update_peer_seq(mdev, peer_seq); - drbd_send_ack_dp(mdev, P_NEG_ACK, p, pi->size); -- atomic_inc(&tconn->current_epoch->epoch_size); -+ atomic_inc_unchecked(&tconn->current_epoch->epoch_size); - err2 = drbd_drain_block(mdev, pi->size); - if (!err) - err = err2; -@@ -2206,7 +2206,7 @@ static int receive_Data(struct drbd_tconn *tconn, struct packet_info *pi) - - spin_lock(&tconn->epoch_lock); - peer_req->epoch = tconn->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(&tconn->epoch_lock); - -@@ -4347,7 +4347,7 @@ struct data_cmd { - int expect_payload; - size_t pkt_size; - int (*fn)(struct drbd_tconn *, struct packet_info *); --}; -+} __do_const; - - static struct data_cmd drbd_cmd_handler[] = { - [P_DATA] = { 1, sizeof(struct p_data), receive_Data }, -@@ -4467,7 +4467,7 @@ static void conn_disconnect(struct drbd_tconn *tconn) - if (!list_empty(&tconn->current_epoch->list)) - conn_err(tconn, "ASSERTION FAILED: tconn->current_epoch->list not empty\n"); - /* ok, no more ee's on the fly, it is safe to reset the epoch_size */ -- atomic_set(&tconn->current_epoch->epoch_size, 0); -+ atomic_set_unchecked(&tconn->current_epoch->epoch_size, 0); - tconn->send.seen_any_write_yet = false; - - conn_info(tconn, "Connection closed\n"); -@@ -5223,7 +5223,7 @@ static int tconn_finish_peer_reqs(struct drbd_tconn *tconn) - struct asender_cmd { - size_t pkt_size; - int (*fn)(struct drbd_tconn *tconn, struct packet_info *); --}; -+} __do_const; - - static struct asender_cmd asender_tbl[] = { - [P_PING] = { 0, got_Ping }, -diff --git a/drivers/block/loop.c b/drivers/block/loop.c -index d92d50f..a7e9d97 100644 ---- a/drivers/block/loop.c -+++ b/drivers/block/loop.c -@@ -232,7 +232,7 @@ static int __do_lo_send_write(struct file *file, - - file_start_write(file); - set_fs(get_ds()); -- bw = file->f_op->write(file, buf, len, &pos); -+ bw = file->f_op->write(file, (const char __force_user *)buf, len, &pos); - set_fs(old_fs); - file_end_write(file); - if (likely(bw == len)) -diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c -index f5d0ea1..c62380a 100644 ---- a/drivers/block/pktcdvd.c -+++ b/drivers/block/pktcdvd.c -@@ -84,7 +84,7 @@ - #define MAX_SPEED 0xffff - - #define ZONE(sector, pd) (((sector) + (pd)->offset) & \ -- ~(sector_t)((pd)->settings.size - 1)) -+ ~(sector_t)((pd)->settings.size - 1UL)) - - static DEFINE_MUTEX(pktcdvd_mutex); - static struct pktcdvd_device *pkt_devs[MAX_WRITERS]; -diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c -index 8a3aff7..d7538c2 100644 ---- a/drivers/cdrom/cdrom.c -+++ b/drivers/cdrom/cdrom.c -@@ -416,7 +416,6 @@ 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)) -@@ -436,8 +435,11 @@ 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(); -+ } - - cdinfo(CD_REG_UNREG, "drive "/dev/%s" registered\n", cdi->name); - mutex_lock(&cdrom_mutex); -@@ -458,7 +460,6 @@ void unregister_cdrom(struct cdrom_device_info *cdi) - if (cdi->exit) - cdi->exit(cdi); - -- cdi->ops->n_minors--; - cdinfo(CD_REG_UNREG, "drive "/dev/%s" unregistered\n", cdi->name); - } - -@@ -2107,7 +2108,7 @@ 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; - -@@ -3429,7 +3430,7 @@ 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 4afcb65..a68a32d 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 3bb6fa3..34013fb 100644 ---- a/drivers/char/Kconfig -+++ b/drivers/char/Kconfig -@@ -8,7 +8,8 @@ source "drivers/tty/Kconfig" - - 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 -@@ -582,6 +583,7 @@ 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 2e04433..771f2cc 100644 ---- a/drivers/char/agp/frontend.c -+++ b/drivers/char/agp/frontend.c -@@ -817,7 +817,7 @@ 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); -@@ -847,7 +847,7 @@ 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 d784650..e8bfd69 100644 ---- a/drivers/char/hpet.c -+++ b/drivers/char/hpet.c -@@ -559,7 +559,7 @@ 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/hw_random/intel-rng.c b/drivers/char/hw_random/intel-rng.c -index 86fe45c..c0ea948 100644 ---- a/drivers/char/hw_random/intel-rng.c -+++ b/drivers/char/hw_random/intel-rng.c -@@ -314,7 +314,7 @@ PFX "RNG, try using the 'no_fwh_detect' option.\n"; - - if (no_fwh_detect) - return -ENODEV; -- printk(warning); -+ printk("%s", warning); - return -EBUSY; - } - -diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c -index 4445fa1..7c6de37 100644 ---- a/drivers/char/ipmi/ipmi_msghandler.c -+++ b/drivers/char/ipmi/ipmi_msghandler.c -@@ -420,7 +420,7 @@ 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 -@@ -453,9 +453,9 @@ 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 int is_lan_addr(struct ipmi_addr *addr) - { -@@ -2883,7 +2883,7 @@ 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 af4b23f..79806fc 100644 ---- a/drivers/char/ipmi/ipmi_si_intf.c -+++ b/drivers/char/ipmi/ipmi_si_intf.c -@@ -275,7 +275,7 @@ 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; - -@@ -284,9 +284,9 @@ 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 - -@@ -3258,7 +3258,7 @@ static int try_smi_init(struct smi_info *new_smi) - atomic_set(&new_smi->req_events, 0); - new_smi->run_to_completion = 0; - 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 = 1; - atomic_set(&new_smi->stop_operation, 0); -diff --git a/drivers/char/mem.c b/drivers/char/mem.c -index 1ccbe94..6ad651a 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> -@@ -38,6 +39,10 @@ - - #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) - { -@@ -69,9 +74,13 @@ 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; -@@ -79,6 +88,11 @@ 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) - { -@@ -121,6 +135,7 @@ static ssize_t read_mem(struct file *file, char __user *buf, - - while (count > 0) { - unsigned long remaining; -+ char *temp; - - sz = size_inside_page(p, count); - -@@ -136,7 +151,23 @@ 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; -+ } -+ memcpy(temp, ptr, sz); -+#else -+ temp = ptr; -+#endif -+ -+ remaining = copy_to_user(buf, temp, sz); -+ -+#ifdef CONFIG_PAX_USERCOPY -+ kfree(temp); -+#endif -+ - unxlate_dev_mem_ptr(p, ptr); - if (remaining) - return -EFAULT; -@@ -379,7 +410,7 @@ static ssize_t read_oldmem(struct file *file, char __user *buf, - else - csize = count; - -- rc = copy_oldmem_page(pfn, buf, csize, offset, 1); -+ rc = copy_oldmem_page(pfn, (char __force_kernel *)buf, csize, offset, 1); - if (rc < 0) - return rc; - buf += csize; -@@ -399,9 +430,8 @@ 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) { -@@ -423,6 +453,8 @@ 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); - - /* -@@ -432,7 +464,22 @@ static ssize_t read_kmem(struct file *file, char __user *buf, - */ - kbuf = xlate_dev_kmem_ptr((char *)p); - -- if (copy_to_user(buf, kbuf, sz)) -+#ifdef CONFIG_PAX_USERCOPY -+ temp = kmalloc(sz, GFP_KERNEL|GFP_USERCOPY); -+ if (!temp) -+ return -ENOMEM; -+ memcpy(temp, kbuf, sz); -+#else -+ temp = kbuf; -+#endif -+ -+ err = copy_to_user(buf, temp, sz); -+ -+#ifdef CONFIG_PAX_USERCOPY -+ kfree(temp); -+#endif -+ -+ if (err) - return -EFAULT; - buf += sz; - p += sz; -@@ -869,6 +916,9 @@ static const struct memdev { - #ifdef CONFIG_CRASH_DUMP - [12] = { "oldmem", 0, &oldmem_fops, NULL }, - #endif -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+ [13] = { "grsec",S_IRUSR | S_IWUGO, &grsec_fops, NULL }, -+#endif - }; - - static int memory_open(struct inode *inode, struct file *filp) -@@ -940,7 +990,7 @@ 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/mwave/tp3780i.c b/drivers/char/mwave/tp3780i.c -index c689697..04e6d6a2 100644 ---- a/drivers/char/mwave/tp3780i.c -+++ b/drivers/char/mwave/tp3780i.c -@@ -479,6 +479,7 @@ int tp3780I_QueryAbilities(THINKPAD_BD_DATA * pBDData, MW_ABILITIES * pAbilities - PRINTK_2(TRACE_TP3780I, - "tp3780i::tp3780I_QueryAbilities entry pBDData %p\n", pBDData); - -+ memset(pAbilities, 0, sizeof(*pAbilities)); - /* fill out standard constant fields */ - pAbilities->instr_per_sec = pBDData->rDspSettings.uIps; - pAbilities->data_size = pBDData->rDspSettings.uDStoreSize; -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 5c5cc00..ac9edb7 100644 ---- a/drivers/char/pcmcia/synclink_cs.c -+++ b/drivers/char/pcmcia/synclink_cs.c -@@ -2345,9 +2345,9 @@ 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)); - -- WARN_ON(!port->count); -+ WARN_ON(!atomic_read(&port->count)); - - if (tty_port_close_start(port, tty, filp) == 0) - goto cleanup; -@@ -2365,7 +2365,7 @@ 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. -@@ -2507,7 +2507,7 @@ 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 (tty_hung_up_p(filp) || port->flags & ASYNC_CLOSING){ -@@ -2527,11 +2527,11 @@ 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) -@@ -3920,7 +3920,7 @@ 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) -@@ -4024,7 +4024,7 @@ 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; -@@ -4114,7 +4114,7 @@ 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 35487e8..dac8bd1 100644 ---- a/drivers/char/random.c -+++ b/drivers/char/random.c -@@ -272,8 +272,13 @@ - /* - * Configuration information - */ -+#ifdef CONFIG_GRKERNSEC_RANDNET -+#define INPUT_POOL_WORDS 512 -+#define OUTPUT_POOL_WORDS 128 -+#else - #define INPUT_POOL_WORDS 128 - #define OUTPUT_POOL_WORDS 32 -+#endif - #define SEC_XFER_SIZE 512 - #define EXTRACT_SIZE 10 - -@@ -313,10 +318,17 @@ static struct poolinfo { - int poolwords; - int tap1, tap2, tap3, tap4, tap5; - } poolinfo_table[] = { -+#ifdef CONFIG_GRKERNSEC_RANDNET -+ /* x^512 + x^411 + x^308 + x^208 +x^104 + x + 1 -- 225 */ -+ { 512, 411, 308, 208, 104, 1 }, -+ /* x^128 + x^103 + x^76 + x^51 + x^25 + x + 1 -- 105 */ -+ { 128, 103, 76, 51, 25, 1 }, -+#else - /* x^128 + x^103 + x^76 + x^51 +x^25 + x + 1 -- 105 */ - { 128, 103, 76, 51, 25, 1 }, - /* x^32 + x^26 + x^20 + x^14 + x^7 + x + 1 -- 15 */ - { 32, 26, 20, 14, 7, 1 }, -+#endif - #if 0 - /* x^2048 + x^1638 + x^1231 + x^819 + x^411 + x + 1 -- 115 */ - { 2048, 1638, 1231, 819, 411, 1 }, -@@ -524,8 +536,8 @@ static void _mix_pool_bytes(struct entropy_store *r, const void *in, - input_rotate += i ? 7 : 14; - } - -- ACCESS_ONCE(r->input_rotate) = input_rotate; -- ACCESS_ONCE(r->add_ptr) = i; -+ ACCESS_ONCE_RW(r->input_rotate) = input_rotate; -+ ACCESS_ONCE_RW(r->add_ptr) = i; - smp_wmb(); - - if (out) -@@ -1032,7 +1044,7 @@ 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; - } -@@ -1368,7 +1380,7 @@ EXPORT_SYMBOL(generate_random_uuid); - #include <linux/sysctl.h> - - static int min_read_thresh = 8, min_write_thresh; --static int max_read_thresh = INPUT_POOL_WORDS * 32; -+static int max_read_thresh = OUTPUT_POOL_WORDS * 32; - static int max_write_thresh = INPUT_POOL_WORDS * 32; - static char sysctl_bootid[16]; - -@@ -1384,7 +1396,7 @@ static char sysctl_bootid[16]; - static int proc_do_uuid(ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- ctl_table fake_table; -+ ctl_table_no_const fake_table; - unsigned char buf[64], tmp_uuid[16], *uuid; - - uuid = table->data; -diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c -index bf2349db..5456d53 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; -@@ -897,7 +898,7 @@ 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; - } -@@ -906,9 +907,9 @@ 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; -diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c -index 64420b3..5c40b56 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_memory(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_memory(virt, len); - return 0; -diff --git a/drivers/char/tpm/tpm_eventlog.c b/drivers/char/tpm/tpm_eventlog.c -index 84ddc55..1d32f1e 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 fc45567..fa2a590 100644 ---- a/drivers/char/virtio_console.c -+++ b/drivers/char/virtio_console.c -@@ -682,7 +682,7 @@ static ssize_t fill_readbuf(struct port *port, char *out_buf, size_t out_count, - 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 { -@@ -785,7 +785,7 @@ 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 a33f46f..a720eed 100644 ---- a/drivers/clk/clk-composite.c -+++ b/drivers/clk/clk-composite.c -@@ -122,7 +122,7 @@ 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/socfpga/clk.c b/drivers/clk/socfpga/clk.c -index bd11315..7f87098 100644 ---- a/drivers/clk/socfpga/clk.c -+++ b/drivers/clk/socfpga/clk.c -@@ -22,6 +22,7 @@ - #include <linux/clk-provider.h> - #include <linux/io.h> - #include <linux/of.h> -+#include <asm/pgtable.h> - - /* Clock Manager offsets */ - #define CLKMGR_CTRL 0x0 -@@ -135,8 +136,10 @@ static __init struct clk *socfpga_clk_init(struct device_node *node, - if (strcmp(clk_name, "main_pll") || strcmp(clk_name, "periph_pll") || - strcmp(clk_name, "sdram_pll")) { - socfpga_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, &socfpga_clk->hw.hw); -diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c -index a2b2541..bc1e7ff 100644 ---- a/drivers/clocksource/arm_arch_timer.c -+++ b/drivers/clocksource/arm_arch_timer.c -@@ -264,7 +264,7 @@ static int __cpuinit arch_timer_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block arch_timer_cpu_nb __cpuinitdata = { -+static struct notifier_block arch_timer_cpu_nb = { - .notifier_call = arch_timer_cpu_notify, - }; - -diff --git a/drivers/clocksource/bcm_kona_timer.c b/drivers/clocksource/bcm_kona_timer.c -index 350f493..489479e 100644 ---- a/drivers/clocksource/bcm_kona_timer.c -+++ b/drivers/clocksource/bcm_kona_timer.c -@@ -199,7 +199,7 @@ static struct irqaction kona_timer_irq = { - .handler = kona_timer_interrupt, - }; - --static void __init kona_timer_init(void) -+static void __init kona_timer_init(struct device_node *np) - { - kona_timers_init(); - kona_timer_clockevents_init(); -diff --git a/drivers/clocksource/metag_generic.c b/drivers/clocksource/metag_generic.c -index ade7513..069445f 100644 ---- a/drivers/clocksource/metag_generic.c -+++ b/drivers/clocksource/metag_generic.c -@@ -169,7 +169,7 @@ static int __cpuinit arch_timer_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata arch_timer_cpu_nb = { -+static struct notifier_block arch_timer_cpu_nb = { - .notifier_call = arch_timer_cpu_notify, - }; - -diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c -index edc089e..bc7c0bc 100644 ---- a/drivers/cpufreq/acpi-cpufreq.c -+++ b/drivers/cpufreq/acpi-cpufreq.c -@@ -172,7 +172,7 @@ static ssize_t show_global_boost(struct kobject *kobj, - return sprintf(buf, "%u\n", boost_enabled); - } - --static struct global_attr global_boost = __ATTR(boost, 0644, -+static global_attr_no_const global_boost = __ATTR(boost, 0644, - show_global_boost, - store_global_boost); - -@@ -705,8 +705,11 @@ 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) -@@ -832,7 +835,9 @@ 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(); - policy->cur = get_cur_freq_on_cpu(cpu); - break; - default: -@@ -843,8 +848,11 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) - acpi_processor_notify_smm(THIS_MODULE); - - /* Check for APERF/MPERF support in hardware */ -- if (boot_cpu_has(X86_FEATURE_APERFMPERF)) -- acpi_cpufreq_driver.getavg = cpufreq_get_measured_perf; -+ if (boot_cpu_has(X86_FEATURE_APERFMPERF)) { -+ pax_open_kernel(); -+ *(void **)&acpi_cpufreq_driver.getavg = cpufreq_get_measured_perf; -+ pax_close_kernel(); -+ } - - pr_debug("CPU%u - ACPI performance management activated.\n", cpu); - for (i = 0; i < perf->state_count; i++) -diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c -index 6485547..477033e 100644 ---- a/drivers/cpufreq/cpufreq.c -+++ b/drivers/cpufreq/cpufreq.c -@@ -1854,7 +1854,7 @@ static int __cpuinit 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, - }; - -@@ -1886,8 +1886,11 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) - - pr_debug("trying to register driver %s\n", driver_data->name); - -- 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(); -+ } - - write_lock_irqsave(&cpufreq_driver_lock, flags); - if (cpufreq_driver) { -diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c -index a86ff72..aad2b03 100644 ---- a/drivers/cpufreq/cpufreq_governor.c -+++ b/drivers/cpufreq/cpufreq_governor.c -@@ -235,7 +235,7 @@ 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; -@@ -298,7 +298,7 @@ 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); -@@ -315,7 +315,7 @@ 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 0d9e6be..461fd3b 100644 ---- a/drivers/cpufreq/cpufreq_governor.h -+++ b/drivers/cpufreq/cpufreq_governor.h -@@ -204,7 +204,7 @@ struct common_dbs_data { - void (*exit)(struct dbs_data *dbs_data); - - /* Governor specific ops, see below */ -- void *gov_ops; -+ const void *gov_ops; - }; - - /* Governer Per policy data */ -diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c -index c087347..dad6268 100644 ---- a/drivers/cpufreq/cpufreq_ondemand.c -+++ b/drivers/cpufreq/cpufreq_ondemand.c -@@ -615,14 +615,18 @@ 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/cpufreq_stats.c b/drivers/cpufreq/cpufreq_stats.c -index bfd6273..e39dd63 100644 ---- a/drivers/cpufreq/cpufreq_stats.c -+++ b/drivers/cpufreq/cpufreq_stats.c -@@ -365,7 +365,7 @@ static int __cpuinit cpufreq_stat_cpu_callback(struct notifier_block *nfb, - } - - /* priority=1 so this will get called before cpufreq_remove_dev */ --static struct notifier_block cpufreq_stat_cpu_notifier __refdata = { -+static struct notifier_block cpufreq_stat_cpu_notifier = { - .notifier_call = cpufreq_stat_cpu_callback, - .priority = 1, - }; -diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c -index 421ef37..e708530c 100644 ---- a/drivers/cpufreq/p4-clockmod.c -+++ b/drivers/cpufreq/p4-clockmod.c -@@ -160,10 +160,14 @@ 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); -@@ -175,7 +179,9 @@ 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 c71ee14..7c2e183 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. -@@ -186,12 +184,25 @@ 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_set_cpu_divider_index(policy, 0); -+ us3_set_cpu_divider_index(policy->cpu, 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 = us3_freq_verify, -+ .target = us3_freq_target, -+ .get = us3_freq_get, -+ .exit = us3_freq_cpu_exit, -+ .owner = THIS_MODULE, -+ .name = "UltraSPARC-III", -+ -+}; -+ - static int __init us3_freq_init(void) - { - unsigned long manuf, impl, ver; -@@ -208,57 +219,15 @@ 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(struct cpufreq_driver), GFP_KERNEL); -- if (!driver) -- goto err_out; -- -- us3_freq_table = kzalloc( -- (NR_CPUS * sizeof(struct us3_freq_percpu_info)), -- GFP_KERNEL); -- if (!us3_freq_table) -- goto err_out; -- -- driver->init = us3_freq_cpu_init; -- driver->verify = us3_freq_verify; -- driver->target = us3_freq_target; -- driver->get = us3_freq_get; -- driver->exit = us3_freq_cpu_exit; -- driver->owner = THIS_MODULE, -- 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@redhat.com"); -diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c -index 618e6f4..e89d915 100644 ---- a/drivers/cpufreq/speedstep-centrino.c -+++ b/drivers/cpufreq/speedstep-centrino.c -@@ -353,8 +353,11 @@ 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/cpuidle.c b/drivers/cpuidle/cpuidle.c -index c3a93fe..e808f24 100644 ---- a/drivers/cpuidle/cpuidle.c -+++ b/drivers/cpuidle/cpuidle.c -@@ -254,7 +254,7 @@ 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 ea2f8e7..70ac501 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); -@@ -135,7 +135,7 @@ void cpuidle_unregister_governor(struct cpuidle_governor *gov) - new_gov = cpuidle_replace_governor(gov->rating); - cpuidle_switch_governor(new_gov); - } -- list_del(&gov->governor_list); -+ pax_list_del((struct list_head *)&gov->governor_list); - mutex_unlock(&cpuidle_lock); - } - -diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c -index 428754a..8bdf9cc 100644 ---- a/drivers/cpuidle/sysfs.c -+++ b/drivers/cpuidle/sysfs.c -@@ -131,7 +131,7 @@ 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/devfreq/devfreq.c b/drivers/devfreq/devfreq.c -index 3b36797..db0b0c0 100644 ---- a/drivers/devfreq/devfreq.c -+++ b/drivers/devfreq/devfreq.c -@@ -477,7 +477,7 @@ struct devfreq *devfreq_add_device(struct device *dev, - GFP_KERNEL); - devfreq->last_stat_updated = jiffies; - -- dev_set_name(&devfreq->dev, dev_name(dev)); -+ dev_set_name(&devfreq->dev, "%s", dev_name(dev)); - err = device_register(&devfreq->dev); - if (err) { - put_device(&devfreq->dev); -@@ -588,7 +588,7 @@ 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; -@@ -676,7 +676,7 @@ 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.c b/drivers/dma/sh/shdma.c -index b70709b..1d8d02a 100644 ---- a/drivers/dma/sh/shdma.c -+++ b/drivers/dma/sh/shdma.c -@@ -476,7 +476,7 @@ 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_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c -index c4d700a..0b57abd 100644 ---- a/drivers/edac/edac_mc_sysfs.c -+++ b/drivers/edac/edac_mc_sysfs.c -@@ -148,7 +148,7 @@ 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) \ - struct dev_ch_attribute dev_attr_legacy_##_name = \ -@@ -1005,14 +1005,16 @@ int edac_create_sysfs_mci_device(struct mem_ctl_info *mci) - } - - if (mci->set_sdram_scrub_rate || mci->get_sdram_scrub_rate) { -+ pax_open_kernel(); - if (mci->get_sdram_scrub_rate) { -- dev_attr_sdram_scrub_rate.attr.mode |= S_IRUGO; -- dev_attr_sdram_scrub_rate.show = &mci_sdram_scrub_rate_show; -+ *(umode_t *)&dev_attr_sdram_scrub_rate.attr.mode |= S_IRUGO; -+ *(void **)&dev_attr_sdram_scrub_rate.show = &mci_sdram_scrub_rate_show; - } - if (mci->set_sdram_scrub_rate) { -- dev_attr_sdram_scrub_rate.attr.mode |= S_IWUSR; -- dev_attr_sdram_scrub_rate.store = &mci_sdram_scrub_rate_store; -+ *(umode_t *)&dev_attr_sdram_scrub_rate.attr.mode |= S_IWUSR; -+ *(void **)&dev_attr_sdram_scrub_rate.store = &mci_sdram_scrub_rate_store; - } -+ pax_close_kernel(); - err = device_create_file(&mci->dev, - &dev_attr_sdram_scrub_rate); - if (err) { -diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c -index e8658e4..22746d6 100644 ---- a/drivers/edac/edac_pci_sysfs.c -+++ b/drivers/edac/edac_pci_sysfs.c -@@ -26,8 +26,8 @@ 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); -@@ -235,7 +235,7 @@ 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, -@@ -579,7 +579,7 @@ 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)) { -@@ -587,7 +587,7 @@ 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)) { -@@ -595,7 +595,7 @@ 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); - } - } - -@@ -618,7 +618,7 @@ 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)) { -@@ -626,7 +626,7 @@ 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)) { -@@ -634,7 +634,7 @@ 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); - } - } - } -@@ -672,7 +672,7 @@ 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. -@@ -684,7 +684,7 @@ 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 51b7e3a..aa8a3e8 100644 ---- a/drivers/edac/mce_amd.h -+++ b/drivers/edac/mce_amd.h -@@ -77,7 +77,7 @@ 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..789e3c3 100644 ---- a/drivers/firewire/core-card.c -+++ b/drivers/firewire/core-card.c -@@ -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 664a6ff..af13580 100644 ---- a/drivers/firewire/core-device.c -+++ b/drivers/firewire/core-device.c -@@ -232,7 +232,7 @@ 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 28a94c7..58da63a 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 515a42c..5ecf3ba 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/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/dmi_scan.c b/drivers/firmware/dmi_scan.c -index b95159b..841ae55 100644 ---- a/drivers/firmware/dmi_scan.c -+++ b/drivers/firmware/dmi_scan.c -@@ -497,11 +497,6 @@ void __init dmi_scan_machine(void) - } - } - else { -- /* -- * no iounmap() for that ioremap(); it would be a no-op, but -- * it's so early in setup that sucker gets confused into doing -- * what it shouldn't if we actually call it. -- */ - p = dmi_ioremap(0xF0000, 0x10000); - if (p == NULL) - goto error; -@@ -786,7 +781,7 @@ int dmi_walk(void (*decode)(const struct dmi_header *, void *), - if (buf == NULL) - return -1; - -- dmi_table(buf, dmi_len, dmi_num, decode, private_data); -+ dmi_table((char __force_kernel *)buf, dmi_len, dmi_num, decode, private_data); - - iounmap(buf); - return 0; -diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c -index 5145fa3..0d3babd 100644 ---- a/drivers/firmware/efi/efi.c -+++ b/drivers/firmware/efi/efi.c -@@ -65,14 +65,16 @@ 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 8bd1bb6..c48b0c6 100644 ---- a/drivers/firmware/efi/efivars.c -+++ b/drivers/firmware/efi/efivars.c -@@ -452,7 +452,7 @@ 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/google/memconsole.c b/drivers/firmware/google/memconsole.c -index 2a90ba6..07f3733 100644 ---- a/drivers/firmware/google/memconsole.c -+++ b/drivers/firmware/google/memconsole.c -@@ -147,7 +147,9 @@ 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(); - - ret = sysfs_create_bin_file(firmware_kobj, &memconsole_bin_attr); - -diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c -index e16d932..f0206ef 100644 ---- a/drivers/gpio/gpio-ich.c -+++ b/drivers/gpio/gpio-ich.c -@@ -69,7 +69,7 @@ struct ichx_desc { - /* Some chipsets have quirks, let these use their own request/get */ - int (*request)(struct gpio_chip *chip, unsigned offset); - int (*get)(struct gpio_chip *chip, unsigned offset); --}; -+} __do_const; - - static struct { - spinlock_t lock; -diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c -index 9902732..64b62dd 100644 ---- a/drivers/gpio/gpio-vr41xx.c -+++ b/drivers/gpio/gpio-vr41xx.c -@@ -204,7 +204,7 @@ 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/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c -index ed1334e..ee0dd42 100644 ---- a/drivers/gpu/drm/drm_crtc_helper.c -+++ b/drivers/gpu/drm/drm_crtc_helper.c -@@ -321,7 +321,7 @@ static bool drm_encoder_crtc_ok(struct drm_encoder *encoder, - struct drm_crtc *tmp; - int crtc_mask = 1; - -- WARN(!crtc, "checking null crtc?\n"); -+ BUG_ON(!crtc); - - dev = crtc->dev; - -diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c -index 9cc247f..36aa285 100644 ---- a/drivers/gpu/drm/drm_drv.c -+++ b/drivers/gpu/drm/drm_drv.c -@@ -306,7 +306,7 @@ module_exit(drm_core_exit); - /** - * Copy and IOCTL return string to user space - */ --static int drm_copy_field(char *buf, size_t *buf_len, const char *value) -+static int drm_copy_field(char __user *buf, size_t *buf_len, const char *value) - { - int len; - -@@ -376,7 +376,7 @@ 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]; -@@ -389,7 +389,7 @@ long drm_ioctl(struct file *filp, - return -ENODEV; - - atomic_inc(&dev->ioctl_count); -- atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]); -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_IOCTLS]); - ++file_priv->ioctl_count; - - if ((nr >= DRM_CORE_IOCTL_COUNT) && -diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c -index 429e07d..e681a2c 100644 ---- a/drivers/gpu/drm/drm_fops.c -+++ b/drivers/gpu/drm/drm_fops.c -@@ -71,7 +71,7 @@ static int drm_setup(struct drm_device * dev) - } - - for (i = 0; i < ARRAY_SIZE(dev->counts); i++) -- atomic_set(&dev->counts[i], 0); -+ atomic_set_unchecked(&dev->counts[i], 0); - - dev->sigdata.lock = NULL; - -@@ -135,7 +135,7 @@ int drm_open(struct inode *inode, struct file *filp) - if (drm_device_is_unplugged(dev)) - return -ENODEV; - -- if (!dev->open_count++) -+ if (local_inc_return(&dev->open_count) == 1) - need_setup = 1; - mutex_lock(&dev->struct_mutex); - old_imapping = inode->i_mapping; -@@ -151,7 +151,7 @@ int drm_open(struct inode *inode, struct file *filp) - retcode = drm_open_helper(inode, filp, dev); - if (retcode) - goto err_undo; -- atomic_inc(&dev->counts[_DRM_STAT_OPENS]); -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_OPENS]); - if (need_setup) { - retcode = drm_setup(dev); - if (retcode) -@@ -166,7 +166,7 @@ err_undo: - iput(container_of(dev->dev_mapping, struct inode, i_data)); - dev->dev_mapping = old_mapping; - mutex_unlock(&dev->struct_mutex); -- dev->open_count--; -+ local_dec(&dev->open_count); - return retcode; - } - EXPORT_SYMBOL(drm_open); -@@ -441,7 +441,7 @@ 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)); - - if (dev->driver->preclose) - dev->driver->preclose(dev, file_priv); -@@ -450,10 +450,10 @@ 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->device), -- 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) */ -@@ -550,8 +550,8 @@ int drm_release(struct inode *inode, struct file *filp) - * End inline drm_release - */ - -- atomic_inc(&dev->counts[_DRM_STAT_CLOSES]); -- if (!--dev->open_count) { -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_CLOSES]); -+ if (local_dec_and_test(&dev->open_count)) { - if (atomic_read(&dev->ioctl_count)) { - DRM_ERROR("Device busy: %d\n", - atomic_read(&dev->ioctl_count)); -diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c -index f731116..629842c 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); - } - } - -@@ -70,7 +70,7 @@ int drm_global_item_ref(struct drm_global_reference *ref) - void *object; - - 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; -@@ -83,7 +83,7 @@ int drm_global_item_ref(struct drm_global_reference *ref) - goto out_err; - - } -- ++item->refcount; -+ atomic_inc(&item->refcount); - ref->object = item->object; - object = item->object; - mutex_unlock(&item->mutex); -@@ -100,9 +100,9 @@ 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 d4b20ce..77a8d41 100644 ---- a/drivers/gpu/drm/drm_info.c -+++ b/drivers/gpu/drm/drm_info.c -@@ -75,10 +75,14 @@ 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", -+ [_DRM_GEM] = "GEM" }; - const char *type; - int i; - -@@ -89,7 +93,7 @@ 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]; -@@ -253,7 +257,11 @@ int drm_vma_info(struct seq_file *m, void *data) - vma->vm_flags & VM_MAYSHARE ? 's' : 'p', - vma->vm_flags & VM_LOCKED ? 'l' : '-', - vma->vm_flags & VM_IO ? 'i' : '-', -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ 0); -+#else - vma->vm_pgoff); -+#endif - - #if defined(__i386__) - pgprot = pgprot_val(vma->vm_page_prot); -diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c -index 2f4c434..dd12cd2 100644 ---- a/drivers/gpu/drm/drm_ioc32.c -+++ b/drivers/gpu/drm/drm_ioc32.c -@@ -457,7 +457,7 @@ 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)) -@@ -518,7 +518,7 @@ 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)) -@@ -1016,7 +1016,7 @@ static int compat_drm_wait_vblank(struct file *file, unsigned int cmd, - return 0; - } - --drm_ioctl_compat_t *drm_compat_ioctls[] = { -+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, -@@ -1062,7 +1062,6 @@ 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 -@@ -1072,10 +1071,8 @@ 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 e77bd8b..1571b85 100644 ---- a/drivers/gpu/drm/drm_ioctl.c -+++ b/drivers/gpu/drm/drm_ioctl.c -@@ -252,7 +252,7 @@ int drm_getstats(struct drm_device *dev, void *data, - stats->data[i].value = - (file_priv->master->lock.hw_lock ? file_priv->master->lock.hw_lock->lock : 0); - else -- stats->data[i].value = atomic_read(&dev->counts[i]); -+ stats->data[i].value = atomic_read_unchecked(&dev->counts[i]); - stats->data[i].type = dev->types[i]; - } - -diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c -index d752c96..fe08455 100644 ---- a/drivers/gpu/drm/drm_lock.c -+++ b/drivers/gpu/drm/drm_lock.c -@@ -86,7 +86,7 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv) - if (drm_lock_take(&master->lock, lock->context)) { - master->lock.file_priv = file_priv; - master->lock.lock_time = jiffies; -- atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_LOCKS]); - break; /* Got lock */ - } - -@@ -157,7 +157,7 @@ int drm_unlock(struct drm_device *dev, void *data, struct drm_file *file_priv) - return -EINVAL; - } - -- atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]); -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_UNLOCKS]); - - if (drm_lock_free(&master->lock, lock->context)) { - /* FIXME: Should really bail out here. */ -diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c -index 16f3ec5..b28f9ca 100644 ---- a/drivers/gpu/drm/drm_stub.c -+++ b/drivers/gpu/drm/drm_stub.c -@@ -501,7 +501,7 @@ 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); -diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c -index 0229665..f61329c 100644 ---- a/drivers/gpu/drm/drm_sysfs.c -+++ b/drivers/gpu/drm/drm_sysfs.c -@@ -499,7 +499,7 @@ EXPORT_SYMBOL(drm_sysfs_hotplug_event); - int drm_sysfs_device_add(struct drm_minor *minor) - { - int err; -- char *minor_str; -+ const char *minor_str; - - minor->kdev.parent = minor->dev->dev; - -diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c -index 004ecdf..db1f6e0 100644 ---- a/drivers/gpu/drm/i810/i810_dma.c -+++ b/drivers/gpu/drm/i810/i810_dma.c -@@ -945,8 +945,8 @@ static int i810_dma_vertex(struct drm_device *dev, void *data, - dma->buflist[vertex->idx], - vertex->discard, vertex->used); - -- atomic_add(vertex->used, &dev->counts[_DRM_STAT_SECONDARY]); -- atomic_inc(&dev->counts[_DRM_STAT_DMA]); -+ atomic_add_unchecked(vertex->used, &dev->counts[_DRM_STAT_SECONDARY]); -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_DMA]); - sarea_priv->last_enqueue = dev_priv->counter - 1; - sarea_priv->last_dispatch = (int)hw_status[5]; - -@@ -1106,8 +1106,8 @@ static int i810_dma_mc(struct drm_device *dev, void *data, - i810_dma_dispatch_mc(dev, dma->buflist[mc->idx], mc->used, - mc->last_render); - -- atomic_add(mc->used, &dev->counts[_DRM_STAT_SECONDARY]); -- atomic_inc(&dev->counts[_DRM_STAT_DMA]); -+ atomic_add_unchecked(mc->used, &dev->counts[_DRM_STAT_SECONDARY]); -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_DMA]); - sarea_priv->last_enqueue = dev_priv->counter - 1; - sarea_priv->last_dispatch = (int)hw_status[5]; - -diff --git a/drivers/gpu/drm/i810/i810_drv.h b/drivers/gpu/drm/i810/i810_drv.h -index 6e0acad..93c8289 100644 ---- a/drivers/gpu/drm/i810/i810_drv.h -+++ b/drivers/gpu/drm/i810/i810_drv.h -@@ -108,8 +108,8 @@ 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_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c -index e913d32..4d9b351 100644 ---- a/drivers/gpu/drm/i915/i915_debugfs.c -+++ b/drivers/gpu/drm/i915/i915_debugfs.c -@@ -499,7 +499,7 @@ static int i915_interrupt_info(struct seq_file *m, void *data) - I915_READ(GTIMR)); - } - seq_printf(m, "Interrupts received: %d\n", -- atomic_read(&dev_priv->irq_received)); -+ atomic_read_unchecked(&dev_priv->irq_received)); - for_each_ring(ring, dev_priv, i) { - if (IS_GEN6(dev) || IS_GEN7(dev)) { - seq_printf(m, -diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c -index 17d9b0b..860e6d9 100644 ---- a/drivers/gpu/drm/i915/i915_dma.c -+++ b/drivers/gpu/drm/i915/i915_dma.c -@@ -1259,7 +1259,7 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev) - bool can_switch; - - spin_lock(&dev->count_lock); -- can_switch = (dev->open_count == 0); -+ can_switch = (local_read(&dev->open_count) == 0); - spin_unlock(&dev->count_lock); - return can_switch; - } -diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h -index 47d8b68..52f5d8d 100644 ---- a/drivers/gpu/drm/i915/i915_drv.h -+++ b/drivers/gpu/drm/i915/i915_drv.h -@@ -916,7 +916,7 @@ typedef struct drm_i915_private { - drm_dma_handle_t *status_page_dmah; - struct resource mch_res; - -- atomic_t irq_received; -+ atomic_unchecked_t irq_received; - - /* protects the irq masks */ - spinlock_t irq_lock; -@@ -1813,7 +1813,7 @@ extern struct i2c_adapter *intel_gmbus_get_adapter( - struct drm_i915_private *dev_priv, unsigned port); - extern void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); - extern void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); --extern inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter) -+static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter) - { - return container_of(adapter, struct intel_gmbus, adapter)->force_bit; - } -diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c -index 117ce38..eefd237 100644 ---- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c -+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c -@@ -727,9 +727,9 @@ i915_gem_check_execbuffer(struct drm_i915_gem_execbuffer2 *exec) - - static int - validate_exec_list(struct drm_i915_gem_exec_object2 *exec, -- int count) -+ unsigned int count) - { -- int i; -+ unsigned int i; - int relocs_total = 0; - int relocs_max = INT_MAX / sizeof(struct drm_i915_gem_relocation_entry); - -diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c -index 3c59584..500f2e9 100644 ---- a/drivers/gpu/drm/i915/i915_ioc32.c -+++ b/drivers/gpu/drm/i915/i915_ioc32.c -@@ -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, -@@ -202,18 +202,15 @@ 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) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(i915_compat_ioctls)) -- fn = i915_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -+ if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(i915_compat_ioctls)) { -+ drm_ioctl_compat_t fn = i915_compat_ioctls[nr - DRM_COMMAND_BASE]; - ret = (*fn) (filp, cmd, arg); -- else -+ } else - ret = drm_ioctl(filp, cmd, arg); - - return ret; -diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c -index e5e32869..1678f36 100644 ---- a/drivers/gpu/drm/i915/i915_irq.c -+++ b/drivers/gpu/drm/i915/i915_irq.c -@@ -670,7 +670,7 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg) - int pipe; - u32 pipe_stats[I915_MAX_PIPES]; - -- atomic_inc(&dev_priv->irq_received); -+ atomic_inc_unchecked(&dev_priv->irq_received); - - while (true) { - iir = I915_READ(VLV_IIR); -@@ -835,7 +835,7 @@ static irqreturn_t ivybridge_irq_handler(int irq, void *arg) - irqreturn_t ret = IRQ_NONE; - int i; - -- atomic_inc(&dev_priv->irq_received); -+ atomic_inc_unchecked(&dev_priv->irq_received); - - /* disable master interrupt before clearing iir */ - de_ier = I915_READ(DEIER); -@@ -925,7 +925,7 @@ static irqreturn_t ironlake_irq_handler(int irq, void *arg) - int ret = IRQ_NONE; - u32 de_iir, gt_iir, de_ier, pm_iir, sde_ier; - -- atomic_inc(&dev_priv->irq_received); -+ atomic_inc_unchecked(&dev_priv->irq_received); - - /* disable master interrupt before clearing iir */ - de_ier = I915_READ(DEIER); -@@ -2089,7 +2089,7 @@ static void ironlake_irq_preinstall(struct drm_device *dev) - { - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - -- atomic_set(&dev_priv->irq_received, 0); -+ atomic_set_unchecked(&dev_priv->irq_received, 0); - - I915_WRITE(HWSTAM, 0xeffe); - -@@ -2124,7 +2124,7 @@ static void valleyview_irq_preinstall(struct drm_device *dev) - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - int pipe; - -- atomic_set(&dev_priv->irq_received, 0); -+ atomic_set_unchecked(&dev_priv->irq_received, 0); - - /* VLV magic */ - I915_WRITE(VLV_IMR, 0); -@@ -2411,7 +2411,7 @@ static void i8xx_irq_preinstall(struct drm_device * dev) - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - int pipe; - -- atomic_set(&dev_priv->irq_received, 0); -+ atomic_set_unchecked(&dev_priv->irq_received, 0); - - for_each_pipe(pipe) - I915_WRITE(PIPESTAT(pipe), 0); -@@ -2490,7 +2490,7 @@ static irqreturn_t i8xx_irq_handler(int irq, void *arg) - I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT | - I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT; - -- atomic_inc(&dev_priv->irq_received); -+ atomic_inc_unchecked(&dev_priv->irq_received); - - iir = I915_READ16(IIR); - if (iir == 0) -@@ -2565,7 +2565,7 @@ static void i915_irq_preinstall(struct drm_device * dev) - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - int pipe; - -- atomic_set(&dev_priv->irq_received, 0); -+ atomic_set_unchecked(&dev_priv->irq_received, 0); - - if (I915_HAS_HOTPLUG(dev)) { - I915_WRITE(PORT_HOTPLUG_EN, 0); -@@ -2664,7 +2664,7 @@ static irqreturn_t i915_irq_handler(int irq, void *arg) - I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT; - int pipe, ret = IRQ_NONE; - -- atomic_inc(&dev_priv->irq_received); -+ atomic_inc_unchecked(&dev_priv->irq_received); - - iir = I915_READ(IIR); - do { -@@ -2791,7 +2791,7 @@ static void i965_irq_preinstall(struct drm_device * dev) - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - int pipe; - -- atomic_set(&dev_priv->irq_received, 0); -+ atomic_set_unchecked(&dev_priv->irq_received, 0); - - I915_WRITE(PORT_HOTPLUG_EN, 0); - I915_WRITE(PORT_HOTPLUG_STAT, I915_READ(PORT_HOTPLUG_STAT)); -@@ -2898,7 +2898,7 @@ static irqreturn_t i965_irq_handler(int irq, void *arg) - I915_DISPLAY_PLANE_A_FLIP_PENDING_INTERRUPT | - I915_DISPLAY_PLANE_B_FLIP_PENDING_INTERRUPT; - -- atomic_inc(&dev_priv->irq_received); -+ atomic_inc_unchecked(&dev_priv->irq_received); - - iir = I915_READ(IIR); - -diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c -index eea5982..eeef407 100644 ---- a/drivers/gpu/drm/i915/intel_display.c -+++ b/drivers/gpu/drm/i915/intel_display.c -@@ -8935,13 +8935,13 @@ 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) - { -@@ -8949,18 +8949,20 @@ 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/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h -index 54558a0..2d97005 100644 ---- a/drivers/gpu/drm/mga/mga_drv.h -+++ b/drivers/gpu/drm/mga/mga_drv.h -@@ -120,9 +120,9 @@ 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 709e90d..89a1c0d 100644 ---- a/drivers/gpu/drm/mga/mga_ioc32.c -+++ b/drivers/gpu/drm/mga/mga_ioc32.c -@@ -189,7 +189,7 @@ 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, -@@ -207,18 +207,15 @@ 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 + DRM_ARRAY_SIZE(mga_compat_ioctls)) -- fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -+ if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(mga_compat_ioctls)) { -+ drm_ioctl_compat_t fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE]; - ret = (*fn) (filp, cmd, arg); -- else -+ } else - ret = drm_ioctl(filp, cmd, arg); - - return ret; -diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c -index 598c281..60d590e 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(DRM_IRQ_ARGS) - /* 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(DRM_IRQ_ARGS) - 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); - DRM_WAKEUP(&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 * DRM_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 6aa2137..fe8dc55 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_bios.c -+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c -@@ -965,7 +965,7 @@ 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.h b/drivers/gpu/drm/nouveau/nouveau_drm.h -index f2b30f8..d0f9a95 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_drm.h -+++ b/drivers/gpu/drm/nouveau/nouveau_drm.h -@@ -92,7 +92,7 @@ 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; -+ atomic_unchecked_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_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c -index b4b4d0c..b7edc15 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_gem.c -+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c -@@ -322,7 +322,7 @@ validate_init(struct nouveau_channel *chan, struct drm_file *file_priv, - int ret, i; - struct nouveau_bo *res_bo = NULL; - -- sequence = atomic_add_return(1, &drm->ttm.validate_sequence); -+ sequence = atomic_add_return_unchecked(1, &drm->ttm.validate_sequence); - retry: - if (++trycnt > 100000) { - NV_ERROR(cli, "%s failed and gave up.\n", __func__); -@@ -359,7 +359,7 @@ retry: - if (ret) { - validate_fini(op, NULL); - if (unlikely(ret == -EAGAIN)) { -- sequence = atomic_add_return(1, &drm->ttm.validate_sequence); -+ sequence = atomic_add_return_unchecked(1, &drm->ttm.validate_sequence); - ret = ttm_bo_reserve_slowpath(&nvbo->bo, true, - sequence); - if (!ret) -diff --git a/drivers/gpu/drm/nouveau/nouveau_ioc32.c b/drivers/gpu/drm/nouveau/nouveau_ioc32.c -index 08214bc..9208577 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_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c -index 25d3495..d81aaf6 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_vga.c -+++ b/drivers/gpu/drm/nouveau/nouveau_vga.c -@@ -62,7 +62,7 @@ nouveau_switcheroo_can_switch(struct pci_dev *pdev) - bool can_switch; - - spin_lock(&dev->count_lock); -- can_switch = (dev->open_count == 0); -+ can_switch = (local_read(&dev->open_count) == 0); - spin_unlock(&dev->count_lock); - return can_switch; - } -diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c -index 489cb8c..0b8d0d3 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) -@@ -147,8 +147,10 @@ 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; -@@ -556,25 +558,23 @@ 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 d4660cf..70dbe65 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 930c71b..499aded 100644 ---- a/drivers/gpu/drm/r128/r128_drv.h -+++ b/drivers/gpu/drm/r128/r128_drv.h -@@ -90,14 +90,14 @@ 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 a954c54..9cc595c 100644 ---- a/drivers/gpu/drm/r128/r128_ioc32.c -+++ b/drivers/gpu/drm/r128/r128_ioc32.c -@@ -177,7 +177,7 @@ 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, -@@ -196,18 +196,15 @@ 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 + DRM_ARRAY_SIZE(r128_compat_ioctls)) -- fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -+ if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(r128_compat_ioctls)) { -+ drm_ioctl_compat_t fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE]; - ret = (*fn) (filp, cmd, arg); -- else -+ } else - ret = drm_ioctl(filp, cmd, arg); - - return ret; -diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c -index 2ea4f09..d391371 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(DRM_IRQ_ARGS) -@@ -55,7 +55,7 @@ irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS) - /* 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 19bb7e6..de7e2a2 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 5a82b6b..9e69c73 100644 ---- a/drivers/gpu/drm/radeon/mkregtable.c -+++ b/drivers/gpu/drm/radeon/mkregtable.c -@@ -637,14 +637,14 @@ 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 b0dc0b6..a9bfe9c 100644 ---- a/drivers/gpu/drm/radeon/radeon_device.c -+++ b/drivers/gpu/drm/radeon/radeon_device.c -@@ -1014,7 +1014,7 @@ static bool radeon_switcheroo_can_switch(struct pci_dev *pdev) - bool can_switch; - - spin_lock(&dev->count_lock); -- can_switch = (dev->open_count == 0); -+ can_switch = (local_read(&dev->open_count) == 0); - spin_unlock(&dev->count_lock); - return can_switch; - } -diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h -index b369d42..8dd04eb 100644 ---- a/drivers/gpu/drm/radeon/radeon_drv.h -+++ b/drivers/gpu/drm/radeon/radeon_drv.h -@@ -258,7 +258,7 @@ 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 c180df8..5fd8186 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, -@@ -393,18 +393,15 @@ 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 + DRM_ARRAY_SIZE(radeon_compat_ioctls)) -- fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -+ if (nr < DRM_COMMAND_BASE + DRM_ARRAY_SIZE(radeon_compat_ioctls)) { -+ drm_ioctl_compat_t fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE]; - ret = (*fn) (filp, cmd, arg); -- else -+ } else - ret = drm_ioctl(filp, cmd, arg); - - return ret; -diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c -index 8d68e97..9dcfed8 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); - DRM_INIT_WAITQUEUE(&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 4d20910..6726b6d 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 (DRM_COPY_FROM_USER(&depth_boxes, clear->depth_boxes, -+ if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS || DRM_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 6c0ce89..57a2529 100644 ---- a/drivers/gpu/drm/radeon/radeon_ttm.c -+++ b/drivers/gpu/drm/radeon/radeon_ttm.c -@@ -782,7 +782,7 @@ 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) -@@ -823,8 +823,10 @@ 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; -@@ -853,38 +855,33 @@ static int radeon_mm_dump_table(struct seq_file *m, void *data) - static int radeon_ttm_debugfs_init(struct radeon_device *rdev) - { - #if defined(CONFIG_DEBUG_FS) -- static struct drm_info_list radeon_mem_types_list[RADEON_DEBUGFS_MEM_TYPES+2]; -- static char radeon_mem_types_names[RADEON_DEBUGFS_MEM_TYPES+2][32]; -+ static struct drm_info_list radeon_mem_types_list[RADEON_DEBUGFS_MEM_TYPES+2] = { -+ { -+ .name = "radeon_vram_mm", -+ .show = &radeon_mm_dump_table, -+ }, -+ { -+ .name = "radeon_gtt_mm", -+ .show = &radeon_mm_dump_table, -+ }, -+ { -+ .name = "ttm_page_pool", -+ .show = &ttm_page_alloc_debugfs, -+ }, -+ { -+ .name = "ttm_dma_page_pool", -+ .show = &ttm_dma_page_alloc_debugfs, -+ }, -+ }; - unsigned i; - -- for (i = 0; i < RADEON_DEBUGFS_MEM_TYPES; i++) { -- if (i == 0) -- sprintf(radeon_mem_types_names[i], "radeon_vram_mm"); -- else -- sprintf(radeon_mem_types_names[i], "radeon_gtt_mm"); -- radeon_mem_types_list[i].name = radeon_mem_types_names[i]; -- radeon_mem_types_list[i].show = &radeon_mm_dump_table; -- radeon_mem_types_list[i].driver_features = 0; -- if (i == 0) -- radeon_mem_types_list[i].data = rdev->mman.bdev.man[TTM_PL_VRAM].priv; -- else -- radeon_mem_types_list[i].data = rdev->mman.bdev.man[TTM_PL_TT].priv; -- -- } -- /* Add ttm page pool to debugfs */ -- sprintf(radeon_mem_types_names[i], "ttm_page_pool"); -- radeon_mem_types_list[i].name = radeon_mem_types_names[i]; -- radeon_mem_types_list[i].show = &ttm_page_alloc_debugfs; -- radeon_mem_types_list[i].driver_features = 0; -- radeon_mem_types_list[i++].data = NULL; -+ pax_open_kernel(); -+ *(void **)&radeon_mem_types_list[0].data = rdev->mman.bdev.man[TTM_PL_VRAM].priv; -+ *(void **)&radeon_mem_types_list[1].data = rdev->mman.bdev.man[TTM_PL_TT].priv; -+ pax_close_kernel(); - #ifdef CONFIG_SWIOTLB -- if (swiotlb_nr_tbl()) { -- sprintf(radeon_mem_types_names[i], "ttm_dma_page_pool"); -- radeon_mem_types_list[i].name = radeon_mem_types_names[i]; -- radeon_mem_types_list[i].show = &ttm_dma_page_alloc_debugfs; -- radeon_mem_types_list[i].driver_features = 0; -- radeon_mem_types_list[i++].data = NULL; -- } -+ if (swiotlb_nr_tbl()) -+ i++; - #endif - return radeon_debugfs_add_files(rdev, radeon_mem_types_list, i); - -diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c -index 55880d5..9e95342 100644 ---- a/drivers/gpu/drm/radeon/rs690.c -+++ b/drivers/gpu/drm/radeon/rs690.c -@@ -327,9 +327,11 @@ static void rs690_crtc_bandwidth_compute(struct radeon_device *rdev, - if (rdev->pm.max_bandwidth.full > rdev->pm.sideport_bandwidth.full && - rdev->pm.sideport_bandwidth.full) - rdev->pm.max_bandwidth = rdev->pm.sideport_bandwidth; -- read_delay_latency.full = dfixed_const(370 * 800 * 1000); -+ read_delay_latency.full = dfixed_const(800 * 1000); - read_delay_latency.full = dfixed_div(read_delay_latency, - rdev->pm.igp_sideport_mclk); -+ a.full = dfixed_const(370); -+ read_delay_latency.full = dfixed_mul(read_delay_latency, a); - } else { - if (rdev->pm.max_bandwidth.full > rdev->pm.k8_bandwidth.full && - rdev->pm.k8_bandwidth.full) -diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c -index dbc2def..0a9f710 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; -@@ -347,7 +347,7 @@ 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 bd2a3b4..122d9ad 100644 ---- a/drivers/gpu/drm/ttm/ttm_page_alloc.c -+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c -@@ -394,9 +394,9 @@ static int ttm_pool_get_num_unused_pages(void) - static int ttm_pool_mm_shrink(struct shrinker *shrink, - struct shrink_control *sc) - { -- static atomic_t start_pool = ATOMIC_INIT(0); -+ static atomic_unchecked_t start_pool = ATOMIC_INIT(0); - unsigned i; -- unsigned pool_offset = atomic_add_return(1, &start_pool); -+ unsigned pool_offset = atomic_add_return_unchecked(1, &start_pool); - struct ttm_page_pool *pool; - int shrink_pages = sc->nr_to_scan; - -diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c -index dc0c065..58a0782 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 893a650..6190d3b 100644 ---- a/drivers/gpu/drm/via/via_drv.h -+++ b/drivers/gpu/drm/via/via_drv.h -@@ -51,7 +51,7 @@ 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; -@@ -75,7 +75,7 @@ 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 ac98964..5dbf512 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(DRM_IRQ_ARGS) -@@ -116,8 +116,8 @@ irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS) - - 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(DRM_IRQ_ARGS) - 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(DRM_IRQ_ARGS) - - 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); - DRM_WAKEUP(&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 * DRM_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 * DRM_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]; - DRM_INIT_WAITQUEUE(&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 13aeda7..4a952d1 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h -@@ -290,7 +290,7 @@ 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; - int fence_queue_waiters; /* Protected by hw_mutex */ -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -index 3eb1486..0a47ee9 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -@@ -137,7 +137,7 @@ 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); -@@ -355,7 +355,7 @@ 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; - } -@@ -475,7 +475,7 @@ 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); -@@ -483,7 +483,7 @@ 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_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c -index c509d40..3b640c3 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c -@@ -138,7 +138,7 @@ 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; -@@ -222,7 +222,7 @@ 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 4640adb..e1384ed 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c -@@ -107,7 +107,7 @@ 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; -@@ -138,7 +138,7 @@ 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 8a8725c2..afed796 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c -@@ -151,7 +151,7 @@ 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/host1x/drm/dc.c b/drivers/gpu/host1x/drm/dc.c -index 8c04943..4370ed9 100644 ---- a/drivers/gpu/host1x/drm/dc.c -+++ b/drivers/gpu/host1x/drm/dc.c -@@ -999,7 +999,7 @@ 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/hid/hid-core.c b/drivers/hid/hid-core.c -index 402f486..5340852 100644 ---- a/drivers/hid/hid-core.c -+++ b/drivers/hid/hid-core.c -@@ -63,6 +63,8 @@ struct hid_report *hid_register_report(struct hid_device *device, unsigned type, - struct hid_report_enum *report_enum = device->report_enum + type; - struct hid_report *report; - -+ if (id >= HID_MAX_IDS) -+ return NULL; - if (report_enum->report_id_hash[id]) - return report_enum->report_id_hash[id]; - -@@ -404,8 +406,10 @@ static int hid_parser_global(struct hid_parser *parser, struct hid_item *item) - - case HID_GLOBAL_ITEM_TAG_REPORT_ID: - parser->global.report_id = item_udata(item); -- if (parser->global.report_id == 0) { -- hid_err(parser->device, "report_id 0 is invalid\n"); -+ if (parser->global.report_id == 0 || -+ parser->global.report_id >= HID_MAX_IDS) { -+ hid_err(parser->device, "report_id %u is invalid\n", -+ parser->global.report_id); - return -1; - } - return 0; -@@ -575,7 +579,7 @@ static void hid_close_report(struct hid_device *device) - for (i = 0; i < HID_REPORT_TYPES; i++) { - struct hid_report_enum *report_enum = device->report_enum + i; - -- for (j = 0; j < 256; j++) { -+ for (j = 0; j < HID_MAX_IDS; j++) { - struct hid_report *report = report_enum->report_id_hash[j]; - if (report) - hid_free_report(report); -@@ -755,6 +759,56 @@ int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size) - } - EXPORT_SYMBOL_GPL(hid_parse_report); - -+static const char * const hid_report_names[] = { -+ "HID_INPUT_REPORT", -+ "HID_OUTPUT_REPORT", -+ "HID_FEATURE_REPORT", -+}; -+/** -+ * hid_validate_report - validate existing device report -+ * -+ * @device: hid device -+ * @type: which report type to examine -+ * @id: which report ID to examine (0 for first) -+ * @fields: expected number of fields -+ * @report_counts: expected number of values per field -+ * -+ * Validate the report details after parsing. -+ */ -+struct hid_report *hid_validate_report(struct hid_device *hid, -+ unsigned int type, unsigned int id, -+ unsigned int fields, -+ unsigned int report_counts) -+{ -+ struct hid_report *report; -+ unsigned int i; -+ -+ if (type > HID_FEATURE_REPORT) { -+ hid_err(hid, "invalid HID report %u\n", type); -+ return NULL; -+ } -+ -+ report = hid->report_enum[type].report_id_hash[id]; -+ if (!report) { -+ hid_err(hid, "missing %s %u\n", hid_report_names[type], id); -+ return NULL; -+ } -+ if (report->maxfield < fields) { -+ hid_err(hid, "not enough fields in %s %u\n", -+ hid_report_names[type], id); -+ return NULL; -+ } -+ for (i = 0; i < fields; i++) { -+ if (report->field[i]->report_count < report_counts) { -+ hid_err(hid, "not enough values in %s %u fields\n", -+ hid_report_names[type], id); -+ return NULL; -+ } -+ } -+ return report; -+} -+EXPORT_SYMBOL_GPL(hid_validate_report); -+ - /** - * hid_open_report - open a driver-specific device report - * -@@ -1152,7 +1206,12 @@ EXPORT_SYMBOL_GPL(hid_output_report); - - int hid_set_field(struct hid_field *field, unsigned offset, __s32 value) - { -- unsigned size = field->report_size; -+ unsigned size; -+ -+ if (!field) -+ return -1; -+ -+ size = field->report_size; - - hid_dump_input(field->report->device, field->usage + offset, value); - -@@ -2275,7 +2334,7 @@ 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)) -@@ -2309,7 +2368,7 @@ 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-lenovo-tpkbd.c b/drivers/hid/hid-lenovo-tpkbd.c -index 07837f5..b697ada 100644 ---- a/drivers/hid/hid-lenovo-tpkbd.c -+++ b/drivers/hid/hid-lenovo-tpkbd.c -@@ -341,6 +341,11 @@ static int tpkbd_probe_tp(struct hid_device *hdev) - char *name_mute, *name_micmute; - int ret; - -+ /* Validate required reports. */ -+ if (!hid_validate_report(hdev, HID_OUTPUT_REPORT, 4, 4, 1) || -+ !hid_validate_report(hdev, HID_OUTPUT_REPORT, 3, 1, 2)) -+ return -ENODEV; -+ - if (sysfs_create_group(&hdev->dev.kobj, - &tpkbd_attr_group_pointer)) { - hid_warn(hdev, "Could not create sysfs group\n"); -diff --git a/drivers/hid/hid-lg2ff.c b/drivers/hid/hid-lg2ff.c -index b3cd150..9805197 100644 ---- a/drivers/hid/hid-lg2ff.c -+++ b/drivers/hid/hid-lg2ff.c -@@ -64,26 +64,13 @@ int lg2ff_init(struct hid_device *hid) - struct hid_report *report; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); -- struct list_head *report_list = -- &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; - int error; - -- if (list_empty(report_list)) { -- hid_err(hid, "no output report found\n"); -+ /* Check that the report looks ok */ -+ report = hid_validate_report(hid, HID_OUTPUT_REPORT, 0, 1, 7); -+ if (!report) - return -ENODEV; -- } -- -- report = list_entry(report_list->next, struct hid_report, list); -- -- if (report->maxfield < 1) { -- hid_err(hid, "output report is empty\n"); -- return -ENODEV; -- } -- if (report->field[0]->report_count < 7) { -- hid_err(hid, "not enough values in the field\n"); -- return -ENODEV; -- } - - lg2ff = kmalloc(sizeof(struct lg2ff_device), GFP_KERNEL); - if (!lg2ff) -diff --git a/drivers/hid/hid-lg3ff.c b/drivers/hid/hid-lg3ff.c -index e52f181..53ac79b 100644 ---- a/drivers/hid/hid-lg3ff.c -+++ b/drivers/hid/hid-lg3ff.c -@@ -66,10 +66,11 @@ static int hid_lg3ff_play(struct input_dev *dev, void *data, - int x, y; - - /* -- * Maxusage should always be 63 (maximum fields) -- * likely a better way to ensure this data is clean -+ * Available values in the field should always be 63, but we only use up to -+ * 35. Instead, clear the entire area, however big it is. - */ -- memset(report->field[0]->value, 0, sizeof(__s32)*report->field[0]->maxusage); -+ memset(report->field[0]->value, 0, -+ sizeof(__s32) * report->field[0]->report_count); - - switch (effect->type) { - case FF_CONSTANT: -@@ -129,32 +130,14 @@ static const signed short ff3_joystick_ac[] = { - int lg3ff_init(struct hid_device *hid) - { - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); -- struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; -- struct hid_report *report; -- struct hid_field *field; - const signed short *ff_bits = ff3_joystick_ac; - int error; - int i; - -- /* Find the report to use */ -- if (list_empty(report_list)) { -- hid_err(hid, "No output report found\n"); -- return -1; -- } -- - /* Check that the report looks ok */ -- report = list_entry(report_list->next, struct hid_report, list); -- if (!report) { -- hid_err(hid, "NULL output report\n"); -- return -1; -- } -- -- field = report->field[0]; -- if (!field) { -- hid_err(hid, "NULL field\n"); -- return -1; -- } -+ if (!hid_validate_report(hid, HID_OUTPUT_REPORT, 0, 1, 35)) -+ return -ENODEV; - - /* Assume single fixed device G940 */ - for (i = 0; ff_bits[i] >= 0; i++) -diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c -index 0ddae2a..8b89f0f 100644 ---- a/drivers/hid/hid-lg4ff.c -+++ b/drivers/hid/hid-lg4ff.c -@@ -484,34 +484,16 @@ static enum led_brightness lg4ff_led_get_brightness(struct led_classdev *led_cde - int lg4ff_init(struct hid_device *hid) - { - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); -- struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; -- struct hid_report *report; -- struct hid_field *field; - struct lg4ff_device_entry *entry; - struct lg_drv_data *drv_data; - struct usb_device_descriptor *udesc; - int error, i, j; - __u16 bcdDevice, rev_maj, rev_min; - -- /* Find the report to use */ -- if (list_empty(report_list)) { -- hid_err(hid, "No output report found\n"); -- return -1; -- } -- - /* Check that the report looks ok */ -- report = list_entry(report_list->next, struct hid_report, list); -- if (!report) { -- hid_err(hid, "NULL output report\n"); -+ if (!hid_validate_report(hid, HID_OUTPUT_REPORT, 0, 1, 7)) - return -1; -- } -- -- field = report->field[0]; -- if (!field) { -- hid_err(hid, "NULL field\n"); -- return -1; -- } - - /* Check what wheel has been connected */ - for (i = 0; i < ARRAY_SIZE(lg4ff_devices); i++) { -diff --git a/drivers/hid/hid-lgff.c b/drivers/hid/hid-lgff.c -index d7ea8c8..a84fb40 100644 ---- a/drivers/hid/hid-lgff.c -+++ b/drivers/hid/hid-lgff.c -@@ -128,27 +128,14 @@ static void hid_lgff_set_autocenter(struct input_dev *dev, u16 magnitude) - int lgff_init(struct hid_device* hid) - { - struct hid_input *hidinput = list_entry(hid->inputs.next, struct hid_input, list); -- struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; -- struct hid_report *report; -- struct hid_field *field; - const signed short *ff_bits = ff_joystick; - int error; - int i; - -- /* Find the report to use */ -- if (list_empty(report_list)) { -- hid_err(hid, "No output report found\n"); -- return -1; -- } -- - /* Check that the report looks ok */ -- report = list_entry(report_list->next, struct hid_report, list); -- field = report->field[0]; -- if (!field) { -- hid_err(hid, "NULL field\n"); -- return -1; -- } -+ if (!hid_validate_report(hid, HID_OUTPUT_REPORT, 0, 1, 7)) -+ return -ENODEV; - - for (i = 0; i < ARRAY_SIZE(devices); i++) { - if (dev->id.vendor == devices[i].idVendor && -diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c -index 5207591a..6c9197f 100644 ---- a/drivers/hid/hid-logitech-dj.c -+++ b/drivers/hid/hid-logitech-dj.c -@@ -421,7 +421,7 @@ static int logi_dj_recv_send_report(struct dj_receiver_dev *djrcv_dev, - struct hid_report *report; - struct hid_report_enum *output_report_enum; - u8 *data = (u8 *)(&dj_report->device_index); -- int i; -+ unsigned int i, length; - - output_report_enum = &hdev->report_enum[HID_OUTPUT_REPORT]; - report = output_report_enum->report_id_hash[REPORT_ID_DJ_SHORT]; -@@ -431,7 +431,9 @@ static int logi_dj_recv_send_report(struct dj_receiver_dev *djrcv_dev, - return -ENODEV; - } - -- for (i = 0; i < report->field[0]->report_count; i++) -+ length = min_t(size_t, sizeof(*dj_report) - 1, -+ report->field[0]->report_count); -+ for (i = 0; i < length; i++) - report->field[0]->value[i] = data[i]; - - hid_hw_request(hdev, report, HID_REQ_SET_REPORT); -@@ -738,6 +740,12 @@ static int logi_dj_probe(struct hid_device *hdev, - goto hid_parse_fail; - } - -+ if (!hid_validate_report(hdev, HID_OUTPUT_REPORT, REPORT_ID_DJ_SHORT, -+ 1, 3)) { -+ retval = -ENODEV; -+ goto hid_parse_fail; -+ } -+ - /* Starts the usb device and connects to upper interfaces hiddev and - * hidraw */ - retval = hid_hw_start(hdev, HID_CONNECT_DEFAULT); -diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c -index d39a5ce..4892dfc 100644 ---- a/drivers/hid/hid-multitouch.c -+++ b/drivers/hid/hid-multitouch.c -@@ -330,9 +330,18 @@ static void mt_feature_mapping(struct hid_device *hdev, - break; - } - } -+ /* Ignore if value index is out of bounds. */ -+ if (td->inputmode_index < 0 || -+ td->inputmode_index >= field->report_count) { -+ dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n"); -+ td->inputmode = -1; -+ } - - break; - case HID_DG_CONTACTMAX: -+ /* Ignore if value count is out of bounds. */ -+ if (field->report_count < 1) -+ break; - td->maxcontact_report_id = field->report->id; - td->maxcontacts = field->value[0]; - if (!td->maxcontacts && -@@ -743,15 +752,21 @@ static void mt_touch_report(struct hid_device *hid, struct hid_report *report) - unsigned count; - int r, n; - -+ if (report->maxfield == 0) -+ return; -+ - /* - * Includes multi-packet support where subsequent - * packets are sent with zero contactcount. - */ -- if (td->cc_index >= 0) { -- struct hid_field *field = report->field[td->cc_index]; -- int value = field->value[td->cc_value_index]; -- if (value) -- td->num_expected = value; -+ if (td->cc_index >= 0 && td->cc_index < report->maxfield) { -+ field = report->field[td->cc_index]; -+ if (td->cc_value_index >= 0 && -+ td->cc_value_index < field->report_count) { -+ int value = field->value[td->cc_value_index]; -+ if (value) -+ td->num_expected = value; -+ } - } - - for (r = 0; r < report->maxfield; r++) { -diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c -index ef95102..5482156 100644 ---- a/drivers/hid/hid-ntrig.c -+++ b/drivers/hid/hid-ntrig.c -@@ -115,7 +115,8 @@ static inline int ntrig_get_mode(struct hid_device *hdev) - struct hid_report *report = hdev->report_enum[HID_FEATURE_REPORT]. - report_id_hash[0x0d]; - -- if (!report) -+ if (!report || report->maxfield < 1 || -+ report->field[0]->report_count < 1) - return -EINVAL; - - hid_hw_request(hdev, report, HID_REQ_GET_REPORT); -diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c -index b48092d..72bba1e 100644 ---- a/drivers/hid/hid-picolcd_core.c -+++ b/drivers/hid/hid-picolcd_core.c -@@ -290,7 +290,7 @@ static ssize_t picolcd_operation_mode_store(struct device *dev, - buf += 10; - cnt -= 10; - } -- if (!report) -+ if (!report || report->maxfield < 1) - return -EINVAL; - - while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r')) -diff --git a/drivers/hid/hid-pl.c b/drivers/hid/hid-pl.c -index d29112f..2dcd7d9 100644 ---- a/drivers/hid/hid-pl.c -+++ b/drivers/hid/hid-pl.c -@@ -132,8 +132,14 @@ static int plff_init(struct hid_device *hid) - strong = &report->field[0]->value[2]; - weak = &report->field[0]->value[3]; - debug("detected single-field device"); -- } else if (report->maxfield >= 4 && report->field[0]->maxusage == 1 && -- report->field[0]->usage[0].hid == (HID_UP_LED | 0x43)) { -+ } else if (report->field[0]->maxusage == 1 && -+ report->field[0]->usage[0].hid == -+ (HID_UP_LED | 0x43) && -+ report->maxfield >= 4 && -+ report->field[0]->report_count >= 1 && -+ report->field[1]->report_count >= 1 && -+ report->field[2]->report_count >= 1 && -+ report->field[3]->report_count >= 1) { - report->field[0]->value[0] = 0x00; - report->field[1]->value[0] = 0x00; - strong = &report->field[2]->value[0]; -diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c -index ca749810..aa34755 100644 ---- a/drivers/hid/hid-sensor-hub.c -+++ b/drivers/hid/hid-sensor-hub.c -@@ -221,7 +221,8 @@ int sensor_hub_get_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, - - mutex_lock(&data->mutex); - report = sensor_hub_report(report_id, hsdev->hdev, HID_FEATURE_REPORT); -- if (!report || (field_index >= report->maxfield)) { -+ if (!report || (field_index >= report->maxfield) || -+ report->field[field_index]->report_count < 1) { - ret = -EINVAL; - goto done_proc; - } -diff --git a/drivers/hid/hid-steelseries.c b/drivers/hid/hid-steelseries.c -index d164911..ef42e86 100644 ---- a/drivers/hid/hid-steelseries.c -+++ b/drivers/hid/hid-steelseries.c -@@ -249,6 +249,11 @@ static int steelseries_srws1_probe(struct hid_device *hdev, - goto err_free; - } - -+ if (!hid_validate_report(hdev, HID_OUTPUT_REPORT, 0, 1, 16)) { -+ ret = -ENODEV; -+ goto err_free; -+ } -+ - ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); - if (ret) { - hid_err(hdev, "hw start failed\n"); -diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c -index 90124ff..3761764 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/hid/hid-zpff.c b/drivers/hid/hid-zpff.c -index 6ec28a3..b124991 100644 ---- a/drivers/hid/hid-zpff.c -+++ b/drivers/hid/hid-zpff.c -@@ -68,22 +68,12 @@ static int zpff_init(struct hid_device *hid) - struct hid_report *report; - struct hid_input *hidinput = list_entry(hid->inputs.next, - struct hid_input, list); -- struct list_head *report_list = -- &hid->report_enum[HID_OUTPUT_REPORT].report_list; - struct input_dev *dev = hidinput->input; - int error; - -- if (list_empty(report_list)) { -- hid_err(hid, "no output report found\n"); -+ report = hid_validate_report(hid, HID_OUTPUT_REPORT, 0, 4, 1); -+ if (!report) - return -ENODEV; -- } -- -- report = list_entry(report_list->next, struct hid_report, list); -- -- if (report->maxfield < 4) { -- hid_err(hid, "not enough fields in report\n"); -- return -ENODEV; -- } - - zpff = kzalloc(sizeof(struct zpff_device), GFP_KERNEL); - if (!zpff) -diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c -index fc307e0..2b255e8 100644 ---- a/drivers/hid/uhid.c -+++ b/drivers/hid/uhid.c -@@ -47,7 +47,7 @@ struct uhid_device { - struct mutex report_lock; - wait_queue_head_t report_wait; - atomic_t report_done; -- atomic_t report_id; -+ atomic_unchecked_t report_id; - struct uhid_event report_buf; - }; - -@@ -187,7 +187,7 @@ static int uhid_hid_get_raw(struct hid_device *hid, unsigned char rnum, - - spin_lock_irqsave(&uhid->qlock, flags); - ev->type = UHID_FEATURE; -- ev->u.feature.id = atomic_inc_return(&uhid->report_id); -+ ev->u.feature.id = atomic_inc_return_unchecked(&uhid->report_id); - ev->u.feature.rnum = rnum; - ev->u.feature.rtype = report_type; - -@@ -471,7 +471,7 @@ static int uhid_dev_feature_answer(struct uhid_device *uhid, - spin_lock_irqsave(&uhid->qlock, flags); - - /* id for old report; drop it silently */ -- if (atomic_read(&uhid->report_id) != ev->u.feature_answer.id) -+ if (atomic_read_unchecked(&uhid->report_id) != ev->u.feature_answer.id) - goto unlock; - if (atomic_read(&uhid->report_done)) - goto unlock; -diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c -index 0b122f8..b1d8160 100644 ---- a/drivers/hv/channel.c -+++ b/drivers/hv/channel.c -@@ -394,8 +394,8 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, - int ret = 0; - int t; - -- next_gpadl_handle = atomic_read(&vmbus_connection.next_gpadl_handle); -- atomic_inc(&vmbus_connection.next_gpadl_handle); -+ next_gpadl_handle = atomic_read_unchecked(&vmbus_connection.next_gpadl_handle); -+ atomic_inc_unchecked(&vmbus_connection.next_gpadl_handle); - - ret = create_gpadl_header(kbuffer, size, &msginfo, &msgcount); - if (ret) -diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c -index ae49237..380d4c9 100644 ---- a/drivers/hv/hv.c -+++ b/drivers/hv/hv.c -@@ -112,7 +112,7 @@ 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), -diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h -index 12f2f9e..679603c 100644 ---- a/drivers/hv/hyperv_vmbus.h -+++ b/drivers/hv/hyperv_vmbus.h -@@ -591,7 +591,7 @@ 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/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c -index 4004e54..c2de226 100644 ---- a/drivers/hv/vmbus_drv.c -+++ b/drivers/hv/vmbus_drv.c -@@ -668,10 +668,10 @@ int vmbus_device_register(struct hv_device *child_device_obj) - { - int ret = 0; - -- static atomic_t device_num = ATOMIC_INIT(0); -+ static atomic_unchecked_t device_num = ATOMIC_INIT(0); - - dev_set_name(&child_device_obj->device, "vmbus_0_%d", -- atomic_inc_return(&device_num)); -+ atomic_inc_return_unchecked(&device_num)); - - child_device_obj->device.bus = &hv_bus; - child_device_obj->device.parent = &hv_acpi_dev->dev; -diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c -index 6351aba..dc4aaf4 100644 ---- a/drivers/hwmon/acpi_power_meter.c -+++ b/drivers/hwmon/acpi_power_meter.c -@@ -117,7 +117,7 @@ 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) -@@ -629,7 +629,7 @@ 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; - -diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c -index 62c2e32..8f2859a 100644 ---- a/drivers/hwmon/applesmc.c -+++ b/drivers/hwmon/applesmc.c -@@ -1084,7 +1084,7 @@ 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 b25c643..a13460d 100644 ---- a/drivers/hwmon/asus_atk0110.c -+++ b/drivers/hwmon/asus_atk0110.c -@@ -152,10 +152,10 @@ 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]; -@@ -275,7 +275,7 @@ 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 658ce3a..0d0c2f3 100644 ---- a/drivers/hwmon/coretemp.c -+++ b/drivers/hwmon/coretemp.c -@@ -790,7 +790,7 @@ static int __cpuinit 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 1429f6e..ee03d59 100644 ---- a/drivers/hwmon/ibmaem.c -+++ b/drivers/hwmon/ibmaem.c -@@ -926,7 +926,7 @@ 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 52b77af..aed1ddf 100644 ---- a/drivers/hwmon/iio_hwmon.c -+++ b/drivers/hwmon/iio_hwmon.c -@@ -73,7 +73,7 @@ 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; - enum iio_chan_type type; -diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c -index 9add6092..ee7ba3f 100644 ---- a/drivers/hwmon/pmbus/pmbus_core.c -+++ b/drivers/hwmon/pmbus/pmbus_core.c -@@ -781,7 +781,7 @@ 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, -@@ -798,7 +798,7 @@ 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, -@@ -820,7 +820,7 @@ 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) -@@ -845,7 +845,7 @@ 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) -@@ -876,7 +876,7 @@ 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 2507f90..1645765 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 76f157b..9c0db1b 100644 ---- a/drivers/hwmon/via-cputemp.c -+++ b/drivers/hwmon/via-cputemp.c -@@ -296,7 +296,7 @@ static int __cpuinit 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 07f01ac..d79ad3d 100644 ---- a/drivers/i2c/busses/i2c-amd756-s4882.c -+++ b/drivers/i2c/busses/i2c-amd756-s4882.c -@@ -43,7 +43,7 @@ - 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-nforce2-s4985.c b/drivers/i2c/busses/i2c-nforce2-s4985.c -index 2ca268d..c6acbdf 100644 ---- a/drivers/i2c/busses/i2c-nforce2-s4985.c -+++ b/drivers/i2c/busses/i2c-nforce2-s4985.c -@@ -41,7 +41,7 @@ - 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 c3ccdea..5b3dc1a 100644 ---- a/drivers/i2c/i2c-dev.c -+++ b/drivers/i2c/i2c-dev.c -@@ -271,7 +271,7 @@ 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 2ff6204..218c16e 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 e145931..08bfc59 100644 ---- a/drivers/iio/industrialio-core.c -+++ b/drivers/iio/industrialio-core.c -@@ -506,7 +506,7 @@ 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 784b97c..c9ceadf 100644 ---- a/drivers/infiniband/core/cm.c -+++ b/drivers/infiniband/core/cm.c -@@ -114,7 +114,7 @@ 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 { -@@ -1395,7 +1395,7 @@ 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. */ -@@ -1779,7 +1779,7 @@ 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) -@@ -1946,7 +1946,7 @@ 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; - } -@@ -2129,7 +2129,7 @@ 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; -@@ -2154,7 +2154,7 @@ 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; -@@ -2168,7 +2168,7 @@ 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: -@@ -2535,7 +2535,7 @@ 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; -@@ -2544,7 +2544,7 @@ 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: -@@ -2706,7 +2706,7 @@ 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; -@@ -2722,7 +2722,7 @@ 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: -@@ -3006,7 +3006,7 @@ 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. */ - } -@@ -3218,10 +3218,10 @@ 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]); - -@@ -3431,7 +3431,7 @@ 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, -@@ -3636,7 +3636,7 @@ 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/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c -index 4cb8eb2..146bf60 100644 ---- a/drivers/infiniband/hw/cxgb4/mem.c -+++ b/drivers/infiniband/hw/cxgb4/mem.c -@@ -249,7 +249,7 @@ 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; -@@ -266,7 +266,7 @@ 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/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c -index 9d3e5c1..d9afe4a 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; -diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c -index ed9a989..e0c5871 100644 ---- a/drivers/infiniband/hw/mthca/mthca_mr.c -+++ b/drivers/infiniband/hw/mthca/mthca_mr.c -@@ -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; -diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c -index 4291410..d2ab1fb 100644 ---- a/drivers/infiniband/hw/nes/nes.c -+++ b/drivers/infiniband/hw/nes/nes.c -@@ -98,7 +98,7 @@ 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; -@@ -269,7 +269,7 @@ 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 33cc589..3bd6538 100644 ---- a/drivers/infiniband/hw/nes/nes.h -+++ b/drivers/infiniband/hw/nes/nes.h -@@ -177,17 +177,17 @@ 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; -@@ -196,16 +196,16 @@ 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 24b9f1a..00fd004 100644 ---- a/drivers/infiniband/hw/nes/nes_cm.c -+++ b/drivers/infiniband/hw/nes/nes_cm.c -@@ -68,14 +68,14 @@ 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 *); -@@ -148,13 +148,13 @@ static struct nes_cm_ops nes_cm_api = { - - 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) - { -@@ -1272,7 +1272,7 @@ 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); - } -@@ -1466,7 +1466,7 @@ 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; - } -@@ -1524,7 +1524,7 @@ 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; -@@ -1588,7 +1588,7 @@ 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); - } - -@@ -1651,7 +1651,7 @@ 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)); -@@ -2292,7 +2292,7 @@ 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; -@@ -2567,7 +2567,7 @@ 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; -@@ -2875,7 +2875,7 @@ 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; -@@ -2897,7 +2897,7 @@ 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; -@@ -3033,7 +3033,7 @@ 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)); -@@ -3228,7 +3228,7 @@ 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; -@@ -3288,7 +3288,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) - ntohl(cm_id->local_addr.sin_addr.s_addr), - ntohs(cm_id->local_addr.sin_port)); - -- atomic_inc(&cm_connects); -+ atomic_inc_unchecked(&cm_connects); - nesqp->active_conn = 1; - - /* cache the cm_id in the qp */ -@@ -3398,7 +3398,7 @@ 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); -@@ -3499,7 +3499,7 @@ 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, -@@ -3679,7 +3679,7 @@ 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; -@@ -3715,7 +3715,7 @@ 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); - -@@ -3755,7 +3755,7 @@ 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 49eb511..a774366 100644 ---- a/drivers/infiniband/hw/nes/nes_nic.c -+++ b/drivers/infiniband/hw/nes/nes_nic.c -@@ -1273,39 +1273,39 @@ 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 8f67fe2..8960859 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) { -@@ -1465,7 +1465,7 @@ 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 4d11575..3e890e5 100644 ---- a/drivers/infiniband/hw/qib/qib.h -+++ b/drivers/infiniband/hw/qib/qib.h -@@ -51,6 +51,7 @@ - #include <linux/completion.h> - #include <linux/kref.h> - #include <linux/sched.h> -+#include <linux/slab.h> - - #include "qib_common.h" - #include "qib_verbs.h" -diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c -index da739d9..da1c7f4 100644 ---- a/drivers/input/gameport/gameport.c -+++ b/drivers/input/gameport/gameport.c -@@ -487,14 +487,14 @@ EXPORT_SYMBOL(gameport_set_phys); - */ - static void gameport_init_port(struct gameport *gameport) - { -- static atomic_t gameport_no = ATOMIC_INIT(0); -+ static atomic_unchecked_t gameport_no = ATOMIC_INIT(0); - - __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) - 1); -+ (unsigned long)atomic_inc_return_unchecked(&gameport_no) - 1); - 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 c044699..174d71a 100644 ---- a/drivers/input/input.c -+++ b/drivers/input/input.c -@@ -2019,7 +2019,7 @@ static void devm_input_device_unregister(struct device *dev, void *res) - */ - int input_register_device(struct input_dev *dev) - { -- static atomic_t input_no = ATOMIC_INIT(0); -+ static atomic_unchecked_t input_no = ATOMIC_INIT(0); - struct input_devres *devres = NULL; - struct input_handler *handler; - unsigned int packet_size; -@@ -2074,7 +2074,7 @@ int input_register_device(struct input_dev *dev) - dev->setkeycode = input_default_setkeycode; - - dev_set_name(&dev->dev, "input%ld", -- (unsigned long) atomic_inc_return(&input_no) - 1); -+ (unsigned long) atomic_inc_return_unchecked(&input_no) - 1); - - error = device_add(&dev->dev); - if (error) -diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c -index 04c69af..5f92d00 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/init.h> - #include <linux/input.h> - #include <linux/gameport.h> -diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c -index fa061d4..4a6957c 100644 ---- a/drivers/input/joystick/xpad.c -+++ b/drivers/input/joystick/xpad.c -@@ -735,7 +735,7 @@ 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(0); -+ static atomic_unchecked_t led_seq = ATOMIC_INIT(0); - long led_no; - struct xpad_led *led; - struct led_classdev *led_cdev; -@@ -748,7 +748,7 @@ static int xpad_led_probe(struct usb_xpad *xpad) - if (!led) - return -ENOMEM; - -- led_no = (long)atomic_inc_return(&led_seq) - 1; -+ led_no = (long)atomic_inc_return_unchecked(&led_seq) - 1; - - snprintf(led->name, sizeof(led->name), "xpad%ld", led_no); - led->xpad = xpad; -diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h -index 2f0b39d..7370f13 100644 ---- a/drivers/input/mouse/psmouse.h -+++ b/drivers/input/mouse/psmouse.h -@@ -116,7 +116,7 @@ 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 4c842c3..590b0bf 100644 ---- a/drivers/input/mousedev.c -+++ b/drivers/input/mousedev.c -@@ -738,7 +738,7 @@ 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 25fc597..558bf3b3 100644 ---- a/drivers/input/serio/serio.c -+++ b/drivers/input/serio/serio.c -@@ -496,7 +496,7 @@ static void serio_release_port(struct device *dev) - */ - static void serio_init_port(struct serio *serio) - { -- static atomic_t serio_no = ATOMIC_INIT(0); -+ static atomic_unchecked_t serio_no = ATOMIC_INIT(0); - - __module_get(THIS_MODULE); - -@@ -507,7 +507,7 @@ static void serio_init_port(struct serio *serio) - mutex_init(&serio->drv_mutex); - device_initialize(&serio->dev); - dev_set_name(&serio->dev, "serio%ld", -- (long)atomic_inc_return(&serio_no) - 1); -+ (long)atomic_inc_return_unchecked(&serio_no) - 1); - serio->dev.bus = &serio_bus; - serio->dev.release = serio_release_port; - serio->dev.groups = serio_device_attr_groups; -diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c -index d8f98b1..f62a640 100644 ---- a/drivers/iommu/iommu.c -+++ b/drivers/iommu/iommu.c -@@ -583,7 +583,7 @@ static struct notifier_block iommu_bus_nb = { - static void iommu_bus_init(struct bus_type *bus, struct iommu_ops *ops) - { - bus_register_notifier(bus, &iommu_bus_nb); -- bus_for_each_dev(bus, NULL, ops, add_iommu_group); -+ bus_for_each_dev(bus, NULL, (void *)ops, add_iommu_group); - } - - /** -diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c -index dcfea4e..f4226b2 100644 ---- a/drivers/iommu/irq_remapping.c -+++ b/drivers/iommu/irq_remapping.c -@@ -354,7 +354,7 @@ 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) -@@ -375,10 +375,12 @@ 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 19ceaa6..3625818 100644 ---- a/drivers/irqchip/irq-gic.c -+++ b/drivers/irqchip/irq-gic.c -@@ -84,7 +84,7 @@ static u8 gic_cpu_map[NR_GIC_CPU_IF] __read_mostly; - * Supported arch specific GIC irq extension. - * Default make them NULL. - */ --struct irq_chip gic_arch_extn = { -+irq_chip_no_const gic_arch_extn = { - .irq_eoi = NULL, - .irq_mask = NULL, - .irq_unmask = NULL, -@@ -333,7 +333,7 @@ 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/isdn/capi/capi.c b/drivers/isdn/capi/capi.c -index ac6f72b..81150f2 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/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/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c -index d0a41cb..f0cdb8c 100644 ---- a/drivers/isdn/gigaset/usb-gigaset.c -+++ b/drivers/isdn/gigaset/usb-gigaset.c -@@ -547,7 +547,7 @@ 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) -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 9bb12ba..d4262f7 100644 ---- a/drivers/isdn/i4l/isdn_common.c -+++ b/drivers/isdn/i4l/isdn_common.c -@@ -1651,6 +1651,8 @@ 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_tty.c b/drivers/isdn/i4l/isdn_tty.c -index 3c5f249..5fac4d0 100644 ---- a/drivers/isdn/i4l/isdn_tty.c -+++ b/drivers/isdn/i4l/isdn_tty.c -@@ -1508,9 +1508,9 @@ 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 -@@ -1554,7 +1554,7 @@ 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 -@@ -1563,15 +1563,15 @@ 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 -@@ -1625,7 +1625,7 @@ 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); -@@ -1970,7 +1970,7 @@ 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/icn/icn.c b/drivers/isdn/icn/icn.c -index e74df7c..03a03ba 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/leds/leds-clevo-mail.c b/drivers/leds/leds-clevo-mail.c -index 6a8405d..0bd1c7e 100644 ---- a/drivers/leds/leds-clevo-mail.c -+++ b/drivers/leds/leds-clevo-mail.c -@@ -40,7 +40,7 @@ static int __init clevo_mail_led_dmi_callback(const struct dmi_system_id *id) - * detected as working, but in reality it is not) as low as - * possible. - */ --static struct dmi_system_id __initdata clevo_mail_led_dmi_table[] = { -+static const struct dmi_system_id __initconst clevo_mail_led_dmi_table[] = { - { - .callback = clevo_mail_led_dmi_callback, - .ident = "Clevo D410J", -diff --git a/drivers/leds/leds-ss4200.c b/drivers/leds/leds-ss4200.c -index 64e204e..c6bf189 100644 ---- a/drivers/leds/leds-ss4200.c -+++ b/drivers/leds/leds-ss4200.c -@@ -91,7 +91,7 @@ MODULE_PARM_DESC(nodetect, "Skip DMI-based hardware detection"); - * detected as working, but in reality it is not) as low as - * possible. - */ --static struct dmi_system_id __initdata nas_led_whitelist[] = { -+static const struct dmi_system_id __initconst nas_led_whitelist[] = { - { - .callback = ss4200_led_dmi_callback, - .ident = "Intel SS4200-E", -diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c -index 0bf1e4e..b4bf44e 100644 ---- a/drivers/lguest/core.c -+++ b/drivers/lguest/core.c -@@ -97,9 +97,17 @@ 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"); -@@ -124,7 +132,7 @@ 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 5b9ac32..2ef4f26 100644 ---- a/drivers/lguest/page_tables.c -+++ b/drivers/lguest/page_tables.c -@@ -559,7 +559,7 @@ 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 f0a3347..f6608b2 100644 ---- a/drivers/lguest/x86/core.c -+++ b/drivers/lguest/x86/core.c -@@ -59,7 +59,7 @@ 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) */ -@@ -99,7 +99,13 @@ 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). -@@ -475,7 +481,7 @@ 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. -@@ -558,7 +564,7 @@ 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 0003992..854bbce 100644 ---- a/drivers/md/bcache/closure.h -+++ b/drivers/md/bcache/closure.h -@@ -622,7 +622,7 @@ static inline void closure_wake_up(struct closure_waitlist *list) - 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 5a2c754..0fa55db 100644 ---- a/drivers/md/bitmap.c -+++ b/drivers/md/bitmap.c -@@ -1779,7 +1779,7 @@ 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 81a79b7..87a0f73 100644 ---- a/drivers/md/dm-ioctl.c -+++ b/drivers/md/dm-ioctl.c -@@ -1697,7 +1697,7 @@ 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 699b5be..eac0a15 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_sector); -- else if (m && atomic_read(&m->error_count)) -+ else if (m && atomic_read_unchecked(&m->error_count)) - m = NULL; - - if (likely(m)) -@@ -927,7 +927,7 @@ 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; - -@@ -1340,7 +1340,7 @@ 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-stripe.c b/drivers/md/dm-stripe.c -index d907ca6..cfb8384 100644 ---- a/drivers/md/dm-stripe.c -+++ b/drivers/md/dm-stripe.c -@@ -20,7 +20,7 @@ struct stripe { - struct dm_dev *dev; - sector_t physical_start; - -- atomic_t error_count; -+ atomic_unchecked_t error_count; - }; - - struct stripe_c { -@@ -185,7 +185,7 @@ 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; -@@ -326,7 +326,7 @@ 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'; -@@ -371,8 +371,8 @@ 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 1ff252a..ee384c1 100644 ---- a/drivers/md/dm-table.c -+++ b/drivers/md/dm-table.c -@@ -389,7 +389,7 @@ 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 60bce43..9b997d0 100644 ---- a/drivers/md/dm-thin-metadata.c -+++ b/drivers/md/dm-thin-metadata.c -@@ -397,7 +397,7 @@ 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; -@@ -416,7 +416,7 @@ 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 33f2010..23fb84c 100644 ---- a/drivers/md/dm.c -+++ b/drivers/md/dm.c -@@ -169,9 +169,9 @@ 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 */ - -@@ -1884,8 +1884,8 @@ static struct mapped_device *alloc_dev(int minor) - rwlock_init(&md->map_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); - spin_lock_init(&md->uevent_lock); - -@@ -2033,7 +2033,7 @@ 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); - } - -@@ -2690,18 +2690,18 @@ 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 51f0345..c77810e 100644 ---- a/drivers/md/md.c -+++ b/drivers/md/md.c -@@ -234,10 +234,10 @@ EXPORT_SYMBOL_GPL(md_trim_bio); - * 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); -@@ -247,7 +247,7 @@ 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); - } - -@@ -1501,7 +1501,7 @@ 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; -@@ -1745,7 +1745,7 @@ 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); -@@ -2750,7 +2750,7 @@ __ATTR(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 -@@ -2759,7 +2759,7 @@ 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; -@@ -3207,8 +3207,8 @@ 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); -@@ -7009,7 +7009,7 @@ 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) { -@@ -7112,7 +7112,7 @@ 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; - } - -@@ -7126,7 +7126,7 @@ 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; - } -@@ -7170,7 +7170,7 @@ 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 653f992b6..6af6c40 100644 ---- a/drivers/md/md.h -+++ b/drivers/md/md.h -@@ -94,13 +94,13 @@ 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. - */ -@@ -434,7 +434,7 @@ static inline void rdev_dec_pending(struct md_rdev *rdev, 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.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 6f48244..7d29145 100644 ---- a/drivers/md/raid1.c -+++ b/drivers/md/raid1.c -@@ -1822,7 +1822,7 @@ 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; -@@ -2049,7 +2049,7 @@ static void fix_read_error(struct r1conf *conf, int read_disk, - test_bit(In_sync, &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 081bb33..3c4b287 100644 ---- a/drivers/md/raid10.c -+++ b/drivers/md/raid10.c -@@ -1940,7 +1940,7 @@ 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. -@@ -2298,7 +2298,7 @@ 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); - -@@ -2320,9 +2320,9 @@ 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, -@@ -2376,8 +2376,8 @@ 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); - -@@ -2385,7 +2385,7 @@ 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); -@@ -2540,7 +2540,7 @@ 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 a35b846..e295c6d 100644 ---- a/drivers/md/raid5.c -+++ b/drivers/md/raid5.c -@@ -1764,21 +1764,21 @@ 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 -@@ -1806,7 +1806,7 @@ 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 401ef64..836e563 100644 ---- a/drivers/media/dvb-core/dvbdev.c -+++ b/drivers/media/dvb-core/dvbdev.c -@@ -192,7 +192,7 @@ 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/dib3000.h b/drivers/media/dvb-frontends/dib3000.h -index 9b6c3bb..baeb5c7 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_ENABLED(CONFIG_DVB_DIB3000MB) - extern struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config, -diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c -index c7a9be1..683f6f8 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/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c -index d338b19..aae4f9e 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; -@@ -1015,6 +1014,12 @@ 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__); -@@ -1032,10 +1037,6 @@ 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 04e6490..2df65bf 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 b93a21f..2535195 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 ef0efdf..8c78eb6 100644 ---- a/drivers/media/platform/s5p-tv/mixer_video.c -+++ b/drivers/media/platform/s5p-tv/mixer_video.c -@@ -209,7 +209,7 @@ 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); - } - -@@ -227,7 +227,7 @@ 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); - } -@@ -333,7 +333,7 @@ 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; -@@ -341,12 +341,12 @@ 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 */ -@@ -473,7 +473,7 @@ 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; -@@ -954,13 +954,13 @@ 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; -@@ -1030,7 +1030,7 @@ static int 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 */ -@@ -1069,8 +1069,8 @@ 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) -@@ -1096,7 +1096,7 @@ 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 3d13a63..da31bf1 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 545c04c..a14bded 100644 ---- a/drivers/media/radio/radio-cadet.c -+++ b/drivers/media/radio/radio-cadet.c -@@ -324,6 +324,8 @@ 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); -@@ -339,7 +341,7 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo - while (i < count && dev->rdsin != dev->rdsout) - readbuf[i++] = dev->rdsbuf[dev->rdsout++]; - -- if (i && copy_to_user(data, readbuf, i)) -+ if (i > sizeof(readbuf) || copy_to_user(data, readbuf, i)) - i = -EFAULT; - unlock: - mutex_unlock(&dev->lock); -diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c -index 3940bb0..fb3952a 100644 ---- a/drivers/media/usb/dvb-usb/cxusb.c -+++ b/drivers/media/usb/dvb-usb/cxusb.c -@@ -1068,7 +1068,7 @@ static struct dib0070_config dib7070p_dib0070_config = { - - struct dib0700_adapter_state { - int (*set_param_save) (struct dvb_frontend *); --}; -+} __no_const; - - static int dib7070_set_param_override(struct dvb_frontend *fe) - { -diff --git a/drivers/media/usb/dvb-usb/dw2102.c b/drivers/media/usb/dvb-usb/dw2102.c -index 6e237b6..dc25556 100644 ---- a/drivers/media/usb/dvb-usb/dw2102.c -+++ b/drivers/media/usb/dvb-usb/dw2102.c -@@ -118,7 +118,7 @@ struct su3000_state { - - struct s6x0_state { - int (*old_set_voltage)(struct dvb_frontend *f, fe_sec_voltage_t v); --}; -+} __no_const; - - /* debug */ - static int dvb_usb_dw2102_debug; -diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -index f129551..ecf6514 100644 ---- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -@@ -326,7 +326,7 @@ struct v4l2_buffer32 { - __u32 reserved; - }; - --static int get_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32, -+static int get_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32, - enum v4l2_memory memory) - { - void __user *up_pln; -@@ -355,7 +355,7 @@ static int get_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32, - return 0; - } - --static int put_v4l2_plane32(struct v4l2_plane *up, struct v4l2_plane32 *up32, -+static int put_v4l2_plane32(struct v4l2_plane __user *up, struct v4l2_plane32 __user *up32, - enum v4l2_memory memory) - { - if (copy_in_user(up32, up, 2 * sizeof(__u32)) || -@@ -772,7 +772,7 @@ static int put_v4l2_subdev_edid32(struct v4l2_subdev_edid *kp, struct v4l2_subde - put_user(kp->start_block, &up->start_block) || - put_user(kp->blocks, &up->blocks) || - put_user(tmp, &up->edid) || -- copy_to_user(kp->reserved, up->reserved, sizeof(kp->reserved))) -+ copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved))) - return -EFAULT; - return 0; - } -diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c -index 7658586..1079260 100644 ---- a/drivers/media/v4l2-core/v4l2-ioctl.c -+++ b/drivers/media/v4l2-core/v4l2-ioctl.c -@@ -1995,7 +1995,8 @@ 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) -@@ -2177,7 +2178,7 @@ 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; -@@ -2251,7 +2252,7 @@ done: - } - - static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, -- void * __user *user_ptr, void ***kernel_ptr) -+ void __user **user_ptr, void ***kernel_ptr) - { - int ret = 0; - -@@ -2267,7 +2268,7 @@ 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; -@@ -2302,7 +2303,7 @@ 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; -diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c -index 767ff4d..c69d259 100644 ---- a/drivers/message/fusion/mptbase.c -+++ b/drivers/message/fusion/mptbase.c -@@ -6755,8 +6755,13 @@ 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... - */ -@@ -6769,7 +6774,11 @@ 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 dd239bd..689c4f7 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/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c -index 727819c..ad74694 100644 ---- a/drivers/message/fusion/mptscsih.c -+++ b/drivers/message/fusion/mptscsih.c -@@ -1271,15 +1271,16 @@ mptscsih_info(struct Scsi_Host *SChost) - - h = shost_priv(SChost); - -- if (h) { -- if (h->info_kbuf == NULL) -- if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) -- return h->info_kbuf; -- h->info_kbuf[0] = '\0'; -+ if (!h) -+ return NULL; - -- mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); -- h->info_kbuf[size-1] = '\0'; -- } -+ if (h->info_kbuf == NULL) -+ if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) -+ return h->info_kbuf; -+ h->info_kbuf[0] = '\0'; -+ -+ mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); -+ h->info_kbuf[size-1] = '\0'; - - return h->info_kbuf; - } -diff --git a/drivers/message/i2o/i2o_proc.c b/drivers/message/i2o/i2o_proc.c -index b7d87cd..9890039 100644 ---- a/drivers/message/i2o/i2o_proc.c -+++ b/drivers/message/i2o/i2o_proc.c -@@ -255,12 +255,6 @@ 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) - { -@@ -790,7 +784,6 @@ 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) -@@ -825,8 +818,7 @@ 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); - -@@ -893,7 +885,6 @@ 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) -@@ -928,9 +919,8 @@ 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); -@@ -1250,7 +1240,6 @@ static int i2o_seq_show_dev_identity(struct seq_file *seq, void *v) - // == (allow) 512d bytes (max) - static u16 *work16 = (u16 *) work32; - int token; -- char tmp[16 + 1]; - - token = i2o_parm_field_get(d, 0xF100, -1, &work32, sizeof(work32)); - -@@ -1262,14 +1251,10 @@ 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), -@@ -1306,8 +1291,6 @@ 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) { -@@ -1316,10 +1299,8 @@ 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); -@@ -1343,8 +1324,6 @@ 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) { -@@ -1352,14 +1331,10 @@ 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; - } -diff --git a/drivers/message/i2o/iop.c b/drivers/message/i2o/iop.c -index a8c08f3..155fe3d 100644 ---- a/drivers/message/i2o/iop.c -+++ b/drivers/message/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); - -@@ -1077,7 +1077,7 @@ 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/mfd/janz-cmodio.c b/drivers/mfd/janz-cmodio.c -index 45ece11..8efa218 100644 ---- a/drivers/mfd/janz-cmodio.c -+++ b/drivers/mfd/janz-cmodio.c -@@ -13,6 +13,7 @@ - - #include <linux/kernel.h> - #include <linux/module.h> -+#include <linux/slab.h> - #include <linux/init.h> - #include <linux/pci.h> - #include <linux/interrupt.h> -diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c -index a5f9888..1c0ed56 100644 ---- a/drivers/mfd/twl4030-irq.c -+++ b/drivers/mfd/twl4030-irq.c -@@ -35,6 +35,7 @@ - #include <linux/of.h> - #include <linux/irqdomain.h> - #include <linux/i2c/twl.h> -+#include <asm/pgtable.h> - - #include "twl-core.h" - -@@ -728,10 +729,12 @@ 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/mfd/twl6030-irq.c b/drivers/mfd/twl6030-irq.c -index 277a8db..0e0b754 100644 ---- a/drivers/mfd/twl6030-irq.c -+++ b/drivers/mfd/twl6030-irq.c -@@ -387,10 +387,12 @@ int twl6030_init_irq(struct device *dev, int irq_num) - * install an irq handler for each of the modules; - * clone dummy irq_chip since PIH can't *do* anything - */ -- twl6030_irq_chip = dummy_irq_chip; -- twl6030_irq_chip.name = "twl6030"; -- twl6030_irq_chip.irq_set_type = NULL; -- twl6030_irq_chip.irq_set_wake = twl6030_irq_set_wake; -+ pax_open_kernel(); -+ memcpy((void *)&twl6030_irq_chip, &dummy_irq_chip, sizeof twl6030_irq_chip); -+ *(const char **)&twl6030_irq_chip.name = "twl6030"; -+ *(void **)&twl6030_irq_chip.irq_set_type = NULL; -+ *(void **)&twl6030_irq_chip.irq_set_wake = twl6030_irq_set_wake; -+ pax_close_kernel(); - - for (i = irq_base; i < irq_end; i++) { - irq_set_chip_and_handler(i, &twl6030_irq_chip, -diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c -index f32550a..e3e52a2 100644 ---- a/drivers/misc/c2port/core.c -+++ b/drivers/misc/c2port/core.c -@@ -920,7 +920,9 @@ struct c2port_device *c2port_device_register(char *name, - mutex_init(&c2dev->mutex); - - /* Create binary file */ -- c2port_bin_attrs.size = ops->blocks_num * ops->block_size; -+ pax_open_kernel(); -+ *(size_t *)&c2port_bin_attrs.size = ops->blocks_num * ops->block_size; -+ pax_close_kernel(); - ret = device_create_bin_file(c2dev->dev, &c2port_bin_attrs); - if (unlikely(ret)) - goto error_device_create_bin_file; -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 4cd4a3d..b48cbc7 100644 ---- a/drivers/misc/lis3lv02d/lis3lv02d.c -+++ b/drivers/misc/lis3lv02d/lis3lv02d.c -@@ -498,7 +498,7 @@ 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); -@@ -584,7 +584,7 @@ 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; - } - -@@ -616,7 +616,7 @@ 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; - -@@ -657,7 +657,7 @@ 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 797d796..ae8f01e 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/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 d971817..33bdca5 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. -@@ -1210,7 +1210,7 @@ xpc_system_die(struct notifier_block *nb, unsigned long event, void *_die_args) - - if (((die_args->trapnr == X86_TRAP_MF) || - (die_args->trapnr == X86_TRAP_XF)) && -- !user_mode_vm(die_args->regs)) -+ !user_mode(die_args->regs)) - xpc_die_deactivate(); - - break; -diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c -index 49f04bc..65660c2 100644 ---- a/drivers/mmc/core/mmc_ops.c -+++ b/drivers/mmc/core/mmc_ops.c -@@ -247,7 +247,7 @@ mmc_send_cxd_data(struct mmc_card *card, struct mmc_host *host, - void *data_buf; - int is_on_stack; - -- is_on_stack = object_is_on_stack(buf); -+ is_on_stack = object_starts_on_stack(buf); - if (is_on_stack) { - /* - * dma onto stack is unsafe/nonportable, but callers to this -diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h -index 0b74189..818358f 100644 ---- a/drivers/mmc/host/dw_mmc.h -+++ b/drivers/mmc/host/dw_mmc.h -@@ -202,5 +202,5 @@ struct dw_mci_drv_data { - void (*prepare_command)(struct dw_mci *host, u32 *cmdr); - void (*set_ios)(struct dw_mci *host, struct mmc_ios *ios); - int (*parse_dt)(struct dw_mci *host); --}; -+} __do_const; - #endif /* _DW_MMC_H_ */ -diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c -index c6f6246..60760a8 100644 ---- a/drivers/mmc/host/sdhci-s3c.c -+++ b/drivers/mmc/host/sdhci-s3c.c -@@ -664,9 +664,11 @@ static int sdhci_s3c_probe(struct platform_device *pdev) - * we can use overriding functions instead of default. - */ - if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) { -- 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/nand/denali.c b/drivers/mtd/nand/denali.c -index 0c8bb6b..6f35deb 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/nftlmount.c b/drivers/mtd/nftlmount.c -index 51b9d6a..52af9a7 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 f9d5615..99dd95f 100644 ---- a/drivers/mtd/sm_ftl.c -+++ b/drivers/mtd/sm_ftl.c -@@ -56,7 +56,7 @@ ssize_t sm_attr_show(struct device *dev, struct device_attribute *attr, - #define SM_CIS_VENDOR_OFFSET 0x59 - 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; - -diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c -index f975696..4597e21 100644 ---- a/drivers/net/bonding/bond_main.c -+++ b/drivers/net/bonding/bond_main.c -@@ -4870,7 +4870,7 @@ static unsigned int bond_get_num_tx_queues(void) - return tx_queues; - } - --static struct rtnl_link_ops bond_link_ops __read_mostly = { -+static struct rtnl_link_ops bond_link_ops = { - .kind = "bond", - .priv_size = sizeof(struct bonding), - .setup = bond_setup, -@@ -4995,8 +4995,8 @@ static void __exit bonding_exit(void) - - bond_destroy_debugfs(); - -- rtnl_link_unregister(&bond_link_ops); - unregister_pernet_subsys(&bond_net_ops); -+ rtnl_link_unregister(&bond_link_ops); - - #ifdef CONFIG_NET_POLL_CONTROLLER - /* -diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c -index e1d2643..7f4133b 100644 ---- a/drivers/net/ethernet/8390/ax88796.c -+++ b/drivers/net/ethernet/8390/ax88796.c -@@ -872,9 +872,11 @@ 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/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -index 151675d..0139a9d 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -@@ -1112,7 +1112,7 @@ 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_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c -index ce1a916..10b52b0 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c -@@ -960,6 +960,9 @@ static int bnx2x_set_dump(struct net_device *dev, struct ethtool_dump *val) - struct bnx2x *bp = netdev_priv(dev); - - /* Use the ethtool_dump "flag" field as the dump preset index */ -+ if (val->flag < 1 || val->flag > DUMP_MAX_PRESETS) -+ return -EINVAL; -+ - bp->dump_preset_idx = val->flag; - return 0; - } -@@ -986,8 +989,6 @@ static int bnx2x_get_dump_data(struct net_device *dev, - struct bnx2x *bp = netdev_priv(dev); - struct dump_header dump_hdr = {0}; - -- memset(p, 0, dump->len); -- - /* Disable parity attentions as long as following dump may - * cause false alarms by reading never written registers. We - * will re-enable parity attentions right after the dump. -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c -index b4c9dea..2a9927f 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c -@@ -11497,6 +11497,8 @@ static int bnx2x_init_bp(struct bnx2x *bp) - bp->min_msix_vec_cnt = 2; - BNX2X_DEV_INFO("bp->min_msix_vec_cnt %d", bp->min_msix_vec_cnt); - -+ bp->dump_preset_idx = 1; -+ - return rc; - } - -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -index 32a9609..0b1c53a 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -@@ -2387,15 +2387,14 @@ 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 43c00bc..dd1d03d 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h -@@ -1321,8 +1321,7 @@ 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 ff6e30e..87e8452 100644 ---- a/drivers/net/ethernet/broadcom/tg3.h -+++ b/drivers/net/ethernet/broadcom/tg3.h -@@ -147,6 +147,7 @@ - #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/chelsio/cxgb3/cxgb3_main.c b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c -index 71497e8..b650951 100644 ---- a/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c -+++ b/drivers/net/ethernet/chelsio/cxgb3/cxgb3_main.c -@@ -3037,7 +3037,9 @@ static void t3_io_resume(struct pci_dev *pdev) - CH_ALERT(adapter, "adapter recovering, PEX ERR 0x%x\n", - t3_read_reg(adapter, A_PCIE_PEX_ERR)); - -+ rtnl_lock(); - t3_resume_ports(adapter); -+ rtnl_unlock(); - } - - static const struct pci_error_handlers t3_err_handler = { -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 4c83003..2a2a5b9 100644 ---- a/drivers/net/ethernet/dec/tulip/de4x5.c -+++ b/drivers/net/ethernet/dec/tulip/de4x5.c -@@ -5388,7 +5388,7 @@ 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 */ -@@ -5428,7 +5428,7 @@ 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 6e43426..1bd8365 100644 ---- a/drivers/net/ethernet/emulex/benet/be_main.c -+++ b/drivers/net/ethernet/emulex/benet/be_main.c -@@ -469,7 +469,7 @@ static void accumulate_16bit_val(u32 *acc, u16 val) - - if (wrapped) - newacc += 65536; -- ACCESS_ONCE(*acc) = newacc; -+ ACCESS_ONCE_RW(*acc) = newacc; - } - - 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 21b85fb..b49e5fc 100644 ---- a/drivers/net/ethernet/faraday/ftgmac100.c -+++ b/drivers/net/ethernet/faraday/ftgmac100.c -@@ -31,6 +31,8 @@ - #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 a6eda8d..935d273 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/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -index 331987d..3be1135 100644 ---- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -@@ -776,7 +776,7 @@ 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/neterion/vxge/vxge-config.c b/drivers/net/ethernet/neterion/vxge/vxge-config.c -index fbe5363..266b4e3 100644 ---- a/drivers/net/ethernet/neterion/vxge/vxge-config.c -+++ b/drivers/net/ethernet/neterion/vxge/vxge-config.c -@@ -3461,7 +3461,10 @@ __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)) { -@@ -3544,8 +3547,6 @@ __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 5e7fb1d..f8d1810 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c -@@ -1948,7 +1948,9 @@ int qlcnic_83xx_config_default_opmode(struct qlcnic_adapter *adapter) - op_mode = QLC_83XX_DEFAULT_OPMODE; - - if (op_mode == QLC_83XX_DEFAULT_OPMODE) { -- 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; - } else { - return -EIO; -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -index b0c3de9..fc5857e 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -@@ -200,15 +200,21 @@ int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter) - if (priv_level == 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(); - } else if (priv_level == 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(); - } else if (priv_level == 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(); - } else { - return -EIO; - } -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c -index 6acf82b..14b097e 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ctx.c -@@ -206,10 +206,10 @@ int qlcnic_fw_cmd_set_drv_version(struct qlcnic_adapter *adapter) - if (err) { - dev_info(&adapter->pdev->dev, - "Failed to set driver version in firmware\n"); -- return -EIO; -+ err = -EIO; - } -- -- return 0; -+ qlcnic_free_mbx_args(&cmd); -+ return err; - } - - int -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c -index d3f8797..82a03d3 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_io.c -@@ -262,7 +262,7 @@ void qlcnic_82xx_change_filter(struct qlcnic_adapter *adapter, u64 *uaddr, - - mac_req = (struct qlcnic_mac_req *)&(req->words[0]); - mac_req->op = vlan_id ? QLCNIC_MAC_VLAN_ADD : QLCNIC_MAC_ADD; -- memcpy(mac_req->mac_addr, &uaddr, ETH_ALEN); -+ memcpy(mac_req->mac_addr, uaddr, ETH_ALEN); - - vlan_req = (struct qlcnic_vlan_req *)&req->words[1]; - vlan_req->vlan_id = cpu_to_le16(vlan_id); -diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c -index 887aebe..9095ff9 100644 ---- a/drivers/net/ethernet/realtek/8139cp.c -+++ b/drivers/net/ethernet/realtek/8139cp.c -@@ -524,6 +524,7 @@ rx_status_loop: - PCI_DMA_FROMDEVICE); - if (dma_mapping_error(&cp->pdev->dev, new_mapping)) { - dev->stats.rx_dropped++; -+ kfree_skb(new_skb); - goto rx_next; - } - -diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c -index 393f961..d343034 100644 ---- a/drivers/net/ethernet/realtek/r8169.c -+++ b/drivers/net/ethernet/realtek/r8169.c -@@ -753,22 +753,22 @@ 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 9a95abf..36df7f9 100644 ---- a/drivers/net/ethernet/sfc/ptp.c -+++ b/drivers/net/ethernet/sfc/ptp.c -@@ -535,7 +535,7 @@ static int efx_ptp_synchronize(struct efx_nic *efx, unsigned int num_readings) - (u32)((u64)ptp->start.dma_addr >> 32)); - - /* Clear flag that signals MC ready */ -- ACCESS_ONCE(*start) = 0; -+ ACCESS_ONCE_RW(*start) = 0; - efx_mcdi_rpc_start(efx, MC_CMD_PTP, synch_buf, - MC_CMD_PTP_IN_SYNCHRONIZE_LEN); - -diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c -index 50617c5..b13724c 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/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h -index e6fe0d8..2b7d752 100644 ---- a/drivers/net/hyperv/hyperv_net.h -+++ b/drivers/net/hyperv/hyperv_net.h -@@ -101,7 +101,7 @@ struct rndis_device { - - enum rndis_device_state state; - bool link_state; -- 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 0775f0a..d4fb316 100644 ---- a/drivers/net/hyperv/rndis_filter.c -+++ b/drivers/net/hyperv/rndis_filter.c -@@ -104,7 +104,7 @@ 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); -@@ -752,7 +752,7 @@ 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/ieee802154/fakehard.c b/drivers/net/ieee802154/fakehard.c -index bf0d55e..82bcfbd1 100644 ---- a/drivers/net/ieee802154/fakehard.c -+++ b/drivers/net/ieee802154/fakehard.c -@@ -364,7 +364,7 @@ static int ieee802154fake_probe(struct platform_device *pdev) - phy->transmit_power = 0xbf; - - dev->netdev_ops = &fake_ops; -- dev->ml_priv = &fake_mlme; -+ dev->ml_priv = (void *)&fake_mlme; - - priv = netdev_priv(dev); - priv->phy = phy; -diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c -index 6e91931..2b0ebe7 100644 ---- a/drivers/net/macvlan.c -+++ b/drivers/net/macvlan.c -@@ -905,13 +905,15 @@ 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); - }; -@@ -967,7 +969,7 @@ 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 523d6b2..5e16aa1 100644 ---- a/drivers/net/macvtap.c -+++ b/drivers/net/macvtap.c -@@ -1110,7 +1110,7 @@ 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, - }; - -diff --git a/drivers/net/phy/mdio-bitbang.c b/drivers/net/phy/mdio-bitbang.c -index daec9b0..6428fcb 100644 ---- a/drivers/net/phy/mdio-bitbang.c -+++ b/drivers/net/phy/mdio-bitbang.c -@@ -234,6 +234,7 @@ void free_mdio_bitbang(struct mii_bus *bus) - struct mdiobb_ctrl *ctrl = bus->priv; - - module_put(ctrl->ops->owner); -+ mdiobus_unregister(bus); - mdiobus_free(bus); - } - EXPORT_SYMBOL(free_mdio_bitbang); -diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c -index 72ff14b..11d442d 100644 ---- a/drivers/net/ppp/ppp_generic.c -+++ b/drivers/net/ppp/ppp_generic.c -@@ -999,7 +999,6 @@ 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: -@@ -1021,8 +1020,7 @@ 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 1252d9c..80e660b 100644 ---- a/drivers/net/slip/slhc.c -+++ b/drivers/net/slip/slhc.c -@@ -488,7 +488,7 @@ 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 b305105..8ead6df 100644 ---- a/drivers/net/team/team.c -+++ b/drivers/net/team/team.c -@@ -2682,7 +2682,7 @@ 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 2491eb2..1a453eb 100644 ---- a/drivers/net/tun.c -+++ b/drivers/net/tun.c -@@ -1076,8 +1076,9 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, - u32 rxhash; - - if (!(tun->flags & TUN_NO_PI)) { -- if ((len -= sizeof(pi)) > total_len) -+ if (len < sizeof(pi)) - return -EINVAL; -+ len -= sizeof(pi); - - if (memcpy_fromiovecend((void *)&pi, iv, 0, sizeof(pi))) - return -EFAULT; -@@ -1085,8 +1086,9 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, - } - - if (tun->flags & TUN_VNET_HDR) { -- if ((len -= tun->vnet_hdr_sz) > total_len) -+ if (len < tun->vnet_hdr_sz) - return -EINVAL; -+ len -= tun->vnet_hdr_sz; - - if (memcpy_fromiovecend((void *)&gso, iv, offset, sizeof(gso))) - return -EFAULT; -@@ -1869,7 +1871,7 @@ 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; -@@ -1881,6 +1883,9 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, - int vnet_hdr_sz; - 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 cba1d46..f703766 100644 ---- a/drivers/net/usb/hso.c -+++ b/drivers/net/usb/hso.c -@@ -71,7 +71,7 @@ - #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" -@@ -1180,7 +1180,7 @@ 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; -@@ -1216,7 +1216,7 @@ 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 (status == 0) { -@@ -1298,8 +1298,7 @@ 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); -@@ -1311,7 +1310,7 @@ 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); - kref_put(&serial->parent->ref, hso_serial_ref_free); - } - } else { -@@ -1348,10 +1347,10 @@ 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); -@@ -1427,7 +1426,7 @@ 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; -@@ -1886,7 +1885,7 @@ 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]) { -@@ -3057,7 +3056,7 @@ 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/vxlan.c b/drivers/net/vxlan.c -index 57325f3..36b181f 100644 ---- a/drivers/net/vxlan.c -+++ b/drivers/net/vxlan.c -@@ -1579,7 +1579,7 @@ nla_put_failure: - return -EMSGSIZE; - } - --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, -diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c -index 34c8a33..3261fdc 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/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c -index 8d78253..bebbb68 100644 ---- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c -+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c -@@ -184,8 +184,8 @@ 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); -@@ -199,26 +199,26 @@ 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; - } - -@@ -243,7 +243,7 @@ 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, AR_XmitPower) - | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0) -@@ -253,19 +253,19 @@ 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) -diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c -index 301bf72..3f5654f 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, AR_XmitPower) - | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0) -@@ -135,22 +135,22 @@ 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; - } - - 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 ae30343..a117806 100644 ---- a/drivers/net/wireless/ath/ath9k/hw.h -+++ b/drivers/net/wireless/ath/ath9k/hw.h -@@ -652,7 +652,7 @@ struct ath_hw_private_ops { - - /* ANI */ - void (*ani_cache_ini_regs)(struct ath_hw *ah); --}; -+} __no_const; - - /** - * struct ath_spec_scan - parameters for Atheros spectral scan -@@ -721,7 +721,7 @@ struct ath_hw_ops { - struct ath_spec_scan *param); - void (*spectral_scan_trigger)(struct ath_hw *ah); - void (*spectral_scan_wait)(struct ath_hw *ah); --}; -+} __no_const; - - struct ath_nf_limits { - s16 max; -diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c -index b37a582..680835d 100644 ---- a/drivers/net/wireless/iwlegacy/3945-mac.c -+++ b/drivers/net/wireless/iwlegacy/3945-mac.c -@@ -3639,7 +3639,9 @@ 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 d532948..e0d8bb1 100644 ---- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c -+++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c -@@ -203,7 +203,7 @@ 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)); -@@ -473,7 +473,7 @@ 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)); -@@ -554,7 +554,7 @@ 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)); -@@ -606,7 +606,7 @@ 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)); -@@ -698,10 +698,10 @@ 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) -@@ -1871,7 +1871,7 @@ 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)); -@@ -1916,7 +1916,7 @@ 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)); -@@ -1987,7 +1987,7 @@ 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)); -@@ -2028,7 +2028,7 @@ 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)); -@@ -2088,7 +2088,7 @@ 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)); -@@ -2178,7 +2178,7 @@ 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) -@@ -2220,7 +2220,7 @@ 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); -@@ -2254,7 +2254,7 @@ 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)) -@@ -2308,7 +2308,7 @@ 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 aeb70e1..d7b5bb5 100644 ---- a/drivers/net/wireless/iwlwifi/pcie/trans.c -+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c -@@ -1329,7 +1329,7 @@ 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)); -@@ -1350,7 +1350,7 @@ 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 cb34c78..9fec0dc 100644 ---- a/drivers/net/wireless/mac80211_hwsim.c -+++ b/drivers/net/wireless/mac80211_hwsim.c -@@ -2195,25 +2195,19 @@ static int __init init_mac80211_hwsim(void) - - if (channels > 1) { - hwsim_if_comb.num_different_channels = channels; -- mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan; -- mac80211_hwsim_ops.cancel_hw_scan = -- mac80211_hwsim_cancel_hw_scan; -- mac80211_hwsim_ops.sw_scan_start = NULL; -- mac80211_hwsim_ops.sw_scan_complete = NULL; -- mac80211_hwsim_ops.remain_on_channel = -- mac80211_hwsim_roc; -- mac80211_hwsim_ops.cancel_remain_on_channel = -- mac80211_hwsim_croc; -- mac80211_hwsim_ops.add_chanctx = -- mac80211_hwsim_add_chanctx; -- mac80211_hwsim_ops.remove_chanctx = -- mac80211_hwsim_remove_chanctx; -- mac80211_hwsim_ops.change_chanctx = -- mac80211_hwsim_change_chanctx; -- mac80211_hwsim_ops.assign_vif_chanctx = -- mac80211_hwsim_assign_vif_chanctx; -- mac80211_hwsim_ops.unassign_vif_chanctx = -- mac80211_hwsim_unassign_vif_chanctx; -+ pax_open_kernel(); -+ *(void **)&mac80211_hwsim_ops.hw_scan = mac80211_hwsim_hw_scan; -+ *(void **)&mac80211_hwsim_ops.cancel_hw_scan = mac80211_hwsim_cancel_hw_scan; -+ *(void **)&mac80211_hwsim_ops.sw_scan_start = NULL; -+ *(void **)&mac80211_hwsim_ops.sw_scan_complete = NULL; -+ *(void **)&mac80211_hwsim_ops.remain_on_channel = mac80211_hwsim_roc; -+ *(void **)&mac80211_hwsim_ops.cancel_remain_on_channel = mac80211_hwsim_croc; -+ *(void **)&mac80211_hwsim_ops.add_chanctx = mac80211_hwsim_add_chanctx; -+ *(void **)&mac80211_hwsim_ops.remove_chanctx = mac80211_hwsim_remove_chanctx; -+ *(void **)&mac80211_hwsim_ops.change_chanctx = mac80211_hwsim_change_chanctx; -+ *(void **)&mac80211_hwsim_ops.assign_vif_chanctx = mac80211_hwsim_assign_vif_chanctx; -+ *(void **)&mac80211_hwsim_ops.unassign_vif_chanctx = mac80211_hwsim_unassign_vif_chanctx; -+ pax_close_kernel(); - } - - spin_lock_init(&hwsim_radio_lock); -diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c -index 8169a85..7fa3b47 100644 ---- a/drivers/net/wireless/rndis_wlan.c -+++ b/drivers/net/wireless/rndis_wlan.c -@@ -1238,7 +1238,7 @@ 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 7510723..5ba37f5 100644 ---- a/drivers/net/wireless/rt2x00/rt2x00.h -+++ b/drivers/net/wireless/rt2x00/rt2x00.h -@@ -386,7 +386,7 @@ 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 d955741..8730748 100644 ---- a/drivers/net/wireless/rt2x00/rt2x00queue.c -+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c -@@ -252,9 +252,9 @@ 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 e2b3d9c..67a5184 100644 ---- a/drivers/net/wireless/ti/wl1251/sdio.c -+++ b/drivers/net/wireless/ti/wl1251/sdio.c -@@ -271,13 +271,17 @@ 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 1c627da..69f7d17 100644 ---- a/drivers/net/wireless/ti/wl12xx/main.c -+++ b/drivers/net/wireless/ti/wl12xx/main.c -@@ -656,7 +656,9 @@ 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, -@@ -681,7 +683,9 @@ 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 9fa692d..b31fee0 100644 ---- a/drivers/net/wireless/ti/wl18xx/main.c -+++ b/drivers/net/wireless/ti/wl18xx/main.c -@@ -1687,8 +1687,10 @@ 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 7ef0b4a..ff65c28 100644 ---- a/drivers/net/wireless/zd1211rw/zd_usb.c -+++ b/drivers/net/wireless/zd1211rw/zd_usb.c -@@ -386,7 +386,7 @@ 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/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c -index d93b2b6..ae50401 100644 ---- a/drivers/oprofile/buffer_sync.c -+++ b/drivers/oprofile/buffer_sync.c -@@ -332,7 +332,7 @@ 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) { -@@ -376,14 +376,14 @@ 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; - } - -@@ -552,7 +552,7 @@ 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 84a208d..d61b0a1 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 917d28e..d62d981 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 38b6fc0..b5cbfce 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 7c12d9c..558bf3bb 100644 ---- a/drivers/oprofile/oprofilefs.c -+++ b/drivers/oprofile/oprofilefs.c -@@ -190,7 +190,7 @@ static const struct file_operations atomic_ro_fops = { - - - int oprofilefs_create_ro_atomic(struct super_block *sb, struct dentry *root, -- char const *name, atomic_t *val) -+ char const *name, atomic_unchecked_t *val) - { - return __oprofilefs_create_file(sb, root, name, - &atomic_ro_fops, 0444, val); -diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c -index 93404f7..4a313d8 100644 ---- a/drivers/oprofile/timer_int.c -+++ b/drivers/oprofile/timer_int.c -@@ -93,7 +93,7 @@ static int __cpuinit 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 92ed045..62d39bd7 100644 ---- a/drivers/parport/procfs.c -+++ b/drivers/parport/procfs.c -@@ -64,7 +64,7 @@ static int do_active_device(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(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/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c -index c35e8ad..fc33beb 100644 ---- a/drivers/pci/hotplug/acpiphp_ibm.c -+++ b/drivers/pci/hotplug/acpiphp_ibm.c -@@ -464,7 +464,9 @@ 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 a6a71c4..c91097b 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 449b4bb..257e2e8 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 */ -@@ -205,6 +204,10 @@ 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; -@@ -216,16 +219,17 @@ 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 76ba8a1..20ca857 100644 ---- a/drivers/pci/hotplug/cpqphp_nvram.c -+++ b/drivers/pci/hotplug/cpqphp_nvram.c -@@ -428,9 +428,13 @@ 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); - - /* initialize our int15 lock */ -diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c -index ec20f74..c1d961e 100644 ---- a/drivers/pci/hotplug/pci_hotplug_core.c -+++ b/drivers/pci/hotplug/pci_hotplug_core.c -@@ -441,8 +441,10 @@ 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 7d72c5e..edce02c 100644 ---- a/drivers/pci/hotplug/pciehp_core.c -+++ b/drivers/pci/hotplug/pciehp_core.c -@@ -91,7 +91,7 @@ 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/pci-sysfs.c b/drivers/pci/pci-sysfs.c -index 5b4a9d9..cd5ac1f 100644 ---- a/drivers/pci/pci-sysfs.c -+++ b/drivers/pci/pci-sysfs.c -@@ -1071,7 +1071,7 @@ 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); -@@ -1256,7 +1256,7 @@ 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) { -@@ -1303,7 +1303,7 @@ 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 d1182c4..2a138ec 100644 ---- a/drivers/pci/pci.h -+++ b/drivers/pci/pci.h -@@ -92,7 +92,7 @@ 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 d320df6..ca9a8f6 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/probe.c b/drivers/pci/probe.c -index ea37072..10e58e56 100644 ---- a/drivers/pci/probe.c -+++ b/drivers/pci/probe.c -@@ -173,7 +173,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, - struct pci_bus_region region; - bool bar_too_big = false, bar_disabled = false; - -- 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 0812608..b04018c4 100644 ---- a/drivers/pci/proc.c -+++ b/drivers/pci/proc.c -@@ -453,7 +453,16 @@ 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/x86/chromeos_laptop.c b/drivers/platform/x86/chromeos_laptop.c -index 3e5b4497..dcdfb70 100644 ---- a/drivers/platform/x86/chromeos_laptop.c -+++ b/drivers/platform/x86/chromeos_laptop.c -@@ -301,7 +301,7 @@ static int __init setup_tsl2563_als(const struct dmi_system_id *id) - return 0; - } - --static struct dmi_system_id __initdata chromeos_laptop_dmi_table[] = { -+static struct dmi_system_id __initconst chromeos_laptop_dmi_table[] = { - { - .ident = "Samsung Series 5 550 - Touchpad", - .matches = { -diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c -index 6b22938..bc9700e 100644 ---- a/drivers/platform/x86/msi-laptop.c -+++ b/drivers/platform/x86/msi-laptop.c -@@ -1000,12 +1000,14 @@ 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/sony-laptop.c b/drivers/platform/x86/sony-laptop.c -index 2ac045f..39c443d 100644 ---- a/drivers/platform/x86/sony-laptop.c -+++ b/drivers/platform/x86/sony-laptop.c -@@ -2483,7 +2483,7 @@ 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, -diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c -index 54d31c0..3f896d3 100644 ---- a/drivers/platform/x86/thinkpad_acpi.c -+++ b/drivers/platform/x86/thinkpad_acpi.c -@@ -2093,7 +2093,7 @@ static int hotkey_mask_get(void) - return 0; - } - --void static hotkey_mask_warn_incomplete_mask(void) -+static void hotkey_mask_warn_incomplete_mask(void) - { - /* log only what the user can fix... */ - const u32 wantedmask = hotkey_driver_mask & -@@ -2324,11 +2324,6 @@ static void hotkey_read_nvram(struct tp_nvram_state *n, const u32 m) - } - } - --static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, -- struct tp_nvram_state *newn, -- const u32 event_mask) --{ -- - #define TPACPI_COMPARE_KEY(__scancode, __member) \ - do { \ - if ((event_mask & (1 << __scancode)) && \ -@@ -2342,36 +2337,42 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, - tpacpi_hotkey_send_key(__scancode); \ - } while (0) - -- void issue_volchange(const unsigned int oldvol, -- const unsigned int newvol) -- { -- unsigned int i = oldvol; -+static void issue_volchange(const unsigned int oldvol, -+ const unsigned int newvol, -+ const u32 event_mask) -+{ -+ unsigned int i = oldvol; - -- while (i > newvol) { -- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN); -- i--; -- } -- while (i < newvol) { -- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP); -- i++; -- } -+ while (i > newvol) { -+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEDOWN); -+ i--; - } -+ while (i < newvol) { -+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP); -+ i++; -+ } -+} - -- void issue_brightnesschange(const unsigned int oldbrt, -- const unsigned int newbrt) -- { -- unsigned int i = oldbrt; -+static void issue_brightnesschange(const unsigned int oldbrt, -+ const unsigned int newbrt, -+ const u32 event_mask) -+{ -+ unsigned int i = oldbrt; - -- while (i > newbrt) { -- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND); -- i--; -- } -- while (i < newbrt) { -- TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME); -- i++; -- } -+ while (i > newbrt) { -+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNEND); -+ i--; -+ } -+ while (i < newbrt) { -+ TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME); -+ i++; - } -+} - -+static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, -+ struct tp_nvram_state *newn, -+ const u32 event_mask) -+{ - TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_THINKPAD, thinkpad_toggle); - TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNSPACE, zoom_toggle); - TPACPI_COMPARE_KEY(TP_ACPI_HOTKEYSCAN_FNF7, display_toggle); -@@ -2405,7 +2406,7 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, - oldn->volume_level != newn->volume_level) { - /* recently muted, or repeated mute keypress, or - * multiple presses ending in mute */ -- issue_volchange(oldn->volume_level, newn->volume_level); -+ issue_volchange(oldn->volume_level, newn->volume_level, event_mask); - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_MUTE); - } - } else { -@@ -2415,7 +2416,7 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_VOLUMEUP); - } - if (oldn->volume_level != newn->volume_level) { -- issue_volchange(oldn->volume_level, newn->volume_level); -+ issue_volchange(oldn->volume_level, newn->volume_level, event_mask); - } else if (oldn->volume_toggle != newn->volume_toggle) { - /* repeated vol up/down keypress at end of scale ? */ - if (newn->volume_level == 0) -@@ -2428,7 +2429,8 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, - /* handle brightness */ - if (oldn->brightness_level != newn->brightness_level) { - issue_brightnesschange(oldn->brightness_level, -- newn->brightness_level); -+ newn->brightness_level, -+ event_mask); - } else if (oldn->brightness_toggle != newn->brightness_toggle) { - /* repeated key presses that didn't change state */ - if (newn->brightness_level == 0) -@@ -2437,10 +2439,10 @@ 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 769d265..a3a05ca 100644 ---- a/drivers/pnp/pnpbios/bioscalls.c -+++ b/drivers/pnp/pnpbios/bioscalls.c -@@ -58,7 +58,7 @@ 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); - - /* -@@ -95,7 +95,10 @@ 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); -@@ -133,7 +136,10 @@ 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. */ -@@ -467,7 +473,7 @@ 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; - -@@ -475,6 +481,8 @@ 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) -@@ -486,4 +494,6 @@ 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/resource.c b/drivers/pnp/resource.c -index 3e6db1c..1fbbdae 100644 ---- a/drivers/pnp/resource.c -+++ b/drivers/pnp/resource.c -@@ -360,7 +360,7 @@ int pnp_check_irq(struct pnp_dev *dev, struct resource *res) - return 1; - - /* check if the resource is valid */ -- if (*irq < 0 || *irq > 15) -+ if (*irq > 15) - return 0; - - /* check if the resource is reserved */ -@@ -424,7 +424,7 @@ int pnp_check_dma(struct pnp_dev *dev, struct resource *res) - return 1; - - /* check if the resource is valid */ -- if (*dma < 0 || *dma == 4 || *dma > 7) -+ if (*dma == 4 || *dma > 7) - return 0; - - /* check if the resource is reserved */ -diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c -index 0c52e2a..3421ab7 100644 ---- a/drivers/power/pda_power.c -+++ b/drivers/power/pda_power.c -@@ -37,7 +37,11 @@ static int polling; - - #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; -@@ -369,7 +373,6 @@ 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 1c517c3..ffa2f17 100644 ---- a/drivers/power/power_supply_core.c -+++ b/drivers/power/power_supply_core.c -@@ -24,7 +24,10 @@ - struct class *power_supply_class; - EXPORT_SYMBOL_GPL(power_supply_class); - --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, -+}; - - static bool __power_supply_is_supplied_by(struct power_supply *supplier, - struct power_supply *supply) -@@ -554,7 +557,7 @@ 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 29178f7..c65f324 100644 ---- a/drivers/power/power_supply_sysfs.c -+++ b/drivers/power/power_supply_sysfs.c -@@ -230,17 +230,15 @@ 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/regulator/max8660.c b/drivers/regulator/max8660.c -index d428ef9..fdc0357 100644 ---- a/drivers/regulator/max8660.c -+++ b/drivers/regulator/max8660.c -@@ -333,8 +333,10 @@ 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 adb1414..c13e0ce 100644 ---- a/drivers/regulator/max8973-regulator.c -+++ b/drivers/regulator/max8973-regulator.c -@@ -401,9 +401,11 @@ static int max8973_probe(struct i2c_client *client, - if (!pdata->enable_ext_control) { - max->desc.enable_reg = MAX8973_VOUT; - max->desc.enable_mask = MAX8973_VOUT_ENABLE; -- max8973_dcdc_ops.enable = regulator_enable_regmap; -- max8973_dcdc_ops.disable = regulator_disable_regmap; -- max8973_dcdc_ops.is_enabled = regulator_is_enabled_regmap; -+ pax_open_kernel(); -+ *(void **)&max8973_dcdc_ops.enable = regulator_enable_regmap; -+ *(void **)&max8973_dcdc_ops.disable = regulator_disable_regmap; -+ *(void **)&max8973_dcdc_ops.is_enabled = regulator_is_enabled_regmap; -+ pax_close_kernel(); - } - - max->enable_external_control = pdata->enable_ext_control; -diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c -index b716283..3cc4349 100644 ---- a/drivers/regulator/mc13892-regulator.c -+++ b/drivers/regulator/mc13892-regulator.c -@@ -582,10 +582,12 @@ static int mc13892_regulator_probe(struct platform_device *pdev) - } - mc13xxx_unlock(mc13892); - -- mc13892_regulators[MC13892_VCAM].desc.ops->set_mode -+ pax_open_kernel(); -+ *(void **)&mc13892_regulators[MC13892_VCAM].desc.ops->set_mode - = mc13892_vcam_set_mode; -- mc13892_regulators[MC13892_VCAM].desc.ops->get_mode -+ *(void **)&mc13892_regulators[MC13892_VCAM].desc.ops->get_mode - = mc13892_vcam_get_mode; -+ pax_close_kernel(); - - mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13892_regulators, - ARRAY_SIZE(mc13892_regulators)); -diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c -index f1cb706..4c7832a 100644 ---- a/drivers/rtc/rtc-cmos.c -+++ b/drivers/rtc/rtc-cmos.c -@@ -724,7 +724,9 @@ 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 d049393..bb20be0 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 b53992a..776df84 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 130f29a..6179d03 100644 ---- a/drivers/rtc/rtc-m48t59.c -+++ b/drivers/rtc/rtc-m48t59.c -@@ -482,7 +482,9 @@ static int m48t59_rtc_probe(struct platform_device *pdev) - goto out; - } - -- 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/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_ioc.h b/drivers/scsi/bfa/bfa_ioc.h -index 23a90e7..9cf04ee 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. -@@ -346,7 +346,7 @@ struct bfa_ioc_hwif_s { - void (*ioc_sync_ack) (struct bfa_ioc_s *ioc); - bfa_boolean_t (*ioc_sync_complete) (struct bfa_ioc_s *ioc); - bfa_boolean_t (*ioc_lpu_read_stat) (struct bfa_ioc_s *ioc); --}; -+} __no_const; - - /* - * Queue element to wait for room in request queue. FIFO order is -diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c -index df0c3c7..b00e1d0 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) -@@ -361,7 +361,7 @@ 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 7f4f790..b75b92a 100644 ---- a/drivers/scsi/hpsa.c -+++ b/drivers/scsi/hpsa.c -@@ -554,7 +554,7 @@ static inline u32 next_command(struct ctlr_info *h, u8 q) - unsigned long flags; - - 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]; -@@ -3422,7 +3422,7 @@ static void start_io(struct ctlr_info *h) - while (!list_empty(&h->reqQ)) { - c = list_entry(h->reqQ.next, struct CommandList, 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; - } -@@ -3444,7 +3444,7 @@ static void start_io(struct ctlr_info *h) - - /* Tell the controller execute command */ - spin_unlock_irqrestore(&h->lock, flags); -- h->access.submit_command(h, c); -+ h->access->submit_command(h, c); - spin_lock_irqsave(&h->lock, flags); - } - spin_unlock_irqrestore(&h->lock, flags); -@@ -3452,17 +3452,17 @@ static void start_io(struct ctlr_info *h) - - 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); - } - -@@ -4364,7 +4364,7 @@ static int hpsa_pci_init(struct ctlr_info *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; - - pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S | - PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); -@@ -4646,7 +4646,7 @@ static void controller_lockup_detected(struct ctlr_info *h) - - assert_spin_locked(&lockup_detector_lock); - remove_ctlr_from_lockup_detector_list(h); -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - spin_lock_irqsave(&h->lock, flags); - h->lockup_detected = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET); - spin_unlock_irqrestore(&h->lock, flags); -@@ -4823,7 +4823,7 @@ 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_irq(h, do_hpsa_intr_msi, do_hpsa_intr_intx)) - goto clean2; -@@ -4857,7 +4857,7 @@ 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); - free_irqs(h); - rc = hpsa_request_irq(h, hpsa_msix_discard_completions, -@@ -4876,9 +4876,9 @@ 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) -@@ -4899,7 +4899,7 @@ 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 */ -@@ -4954,7 +4954,7 @@ 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); - } - -@@ -5122,7 +5122,7 @@ static void hpsa_enter_performant_mode(struct ctlr_info *h, u32 use_short_tags) - return; - } - /* Change the access methods to the performant access methods */ -- h->access = SA5_performant_access; -+ h->access = &SA5_performant_access; - h->transMethod = CFGTBL_Trans_Performant; - } - -diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h -index 9816479..c5d4e97 100644 ---- a/drivers/scsi/hpsa.h -+++ b/drivers/scsi/hpsa.h -@@ -79,7 +79,7 @@ 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; - - /* queue and queue Info */ - struct list_head reqQ; -diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c -index 8b928c6..9c76300 100644 ---- a/drivers/scsi/libfc/fc_exch.c -+++ b/drivers/scsi/libfc/fc_exch.c -@@ -100,12 +100,12 @@ 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; - }; - -@@ -736,7 +736,7 @@ 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)); -@@ -797,7 +797,7 @@ 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; - } -@@ -940,7 +940,7 @@ 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; - } -@@ -970,7 +970,7 @@ 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; - } -@@ -981,7 +981,7 @@ 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; - } -@@ -998,7 +998,7 @@ 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 -@@ -1448,22 +1448,22 @@ 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); -@@ -1472,7 +1472,7 @@ 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; - } - -@@ -1536,9 +1536,9 @@ 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); - } -@@ -2185,13 +2185,13 @@ 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 161c98e..6d563b3 100644 ---- a/drivers/scsi/libsas/sas_ata.c -+++ b/drivers/scsi/libsas/sas_ata.c -@@ -554,7 +554,7 @@ 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 bcc56ca..6f4174a 100644 ---- a/drivers/scsi/lpfc/lpfc.h -+++ b/drivers/scsi/lpfc/lpfc.h -@@ -431,7 +431,7 @@ 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; -@@ -865,8 +865,8 @@ 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; - unsigned long last_ramp_up_time; -@@ -902,7 +902,7 @@ 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 f525ecb..32549a4 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; -@@ -4182,7 +4182,7 @@ 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)); -@@ -4228,7 +4228,7 @@ 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 cb465b2..2e7b25f 100644 ---- a/drivers/scsi/lpfc/lpfc_init.c -+++ b/drivers/scsi/lpfc/lpfc_init.c -@@ -10950,8 +10950,10 @@ 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 8523b278e..ce1d812 100644 ---- a/drivers/scsi/lpfc/lpfc_scsi.c -+++ b/drivers/scsi/lpfc/lpfc_scsi.c -@@ -331,7 +331,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba) - uint32_t evt_posted; - - 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; - - if ((phba->last_ramp_down_time + QUEUE_RAMP_DOWN_INTERVAL) > jiffies) { -@@ -372,7 +372,7 @@ lpfc_rampup_queue_depth(struct lpfc_vport *vport, - unsigned long flags; - struct lpfc_hba *phba = vport->phba; - uint32_t evt_posted; -- atomic_inc(&phba->num_cmd_success); -+ atomic_inc_unchecked(&phba->num_cmd_success); - - if (vport->cfg_lun_queue_depth <= queue_depth) - return; -@@ -416,8 +416,8 @@ 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 -@@ -445,8 +445,8 @@ 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); - } - - /** -@@ -480,8 +480,8 @@ lpfc_ramp_up_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/pmcraid.c b/drivers/scsi/pmcraid.c -index 8e1b737..50ff510 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); -@@ -2676,9 +2676,9 @@ 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) { -@@ -3534,7 +3534,7 @@ 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; - -@@ -3846,7 +3846,7 @@ 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) { -@@ -4483,7 +4483,7 @@ 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); -@@ -5310,8 +5310,8 @@ 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); -@@ -6024,7 +6024,7 @@ 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 bf60c63..74d4dce 100644 ---- a/drivers/scsi/qla2xxx/qla_attr.c -+++ b/drivers/scsi/qla2xxx/qla_attr.c -@@ -2001,7 +2001,7 @@ 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, -@@ -2048,7 +2048,7 @@ 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 026bfde..90c4018 100644 ---- a/drivers/scsi/qla2xxx/qla_gbl.h -+++ b/drivers/scsi/qla2xxx/qla_gbl.h -@@ -528,8 +528,8 @@ extern void qla2x00_get_sym_node_name(scsi_qla_host_t *, uint8_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 *); - 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 ad72c1d..afc9a98 100644 ---- a/drivers/scsi/qla2xxx/qla_os.c -+++ b/drivers/scsi/qla2xxx/qla_os.c -@@ -1571,8 +1571,10 @@ 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 ddf16a8..80f4dd0 100644 ---- a/drivers/scsi/qla4xxx/ql4_def.h -+++ b/drivers/scsi/qla4xxx/ql4_def.h -@@ -291,7 +291,7 @@ 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 4d231c1..2892c37 100644 ---- a/drivers/scsi/qla4xxx/ql4_os.c -+++ b/drivers/scsi/qla4xxx/ql4_os.c -@@ -2971,12 +2971,12 @@ 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, -@@ -5081,7 +5081,7 @@ 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 eaa808e..95f8841 100644 ---- a/drivers/scsi/scsi.c -+++ b/drivers/scsi/scsi.c -@@ -661,7 +661,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd) - unsigned long timeout; - 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_lib.c b/drivers/scsi/scsi_lib.c -index 86d5220..f22c51a 100644 ---- a/drivers/scsi/scsi_lib.c -+++ b/drivers/scsi/scsi_lib.c -@@ -1458,7 +1458,7 @@ 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(), -@@ -1484,9 +1484,9 @@ 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 && -diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c -index 931a7d9..0c2a754 100644 ---- a/drivers/scsi/scsi_sysfs.c -+++ b/drivers/scsi/scsi_sysfs.c -@@ -658,7 +658,7 @@ 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_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c -index 84a1fdf..693b0d6 100644 ---- a/drivers/scsi/scsi_tgt_lib.c -+++ b/drivers/scsi/scsi_tgt_lib.c -@@ -362,7 +362,7 @@ static int scsi_map_user_pages(struct scsi_tgt_cmd *tcmd, struct scsi_cmnd *cmd, - int err; - - dprintk("%lx %u\n", uaddr, len); -- err = blk_rq_map_user(q, rq, NULL, (void *)uaddr, len, GFP_KERNEL); -+ err = blk_rq_map_user(q, rq, NULL, (void __user *)uaddr, len, GFP_KERNEL); - if (err) { - /* - * TODO: need to fixup sg_tablesize, max_segment_size, -diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c -index e106c27..11a380e 100644 ---- a/drivers/scsi/scsi_transport_fc.c -+++ b/drivers/scsi/scsi_transport_fc.c -@@ -497,7 +497,7 @@ 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 -@@ -510,7 +510,7 @@ 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); - -@@ -654,7 +654,7 @@ 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) -@@ -844,7 +844,7 @@ 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 133926b..903000d 100644 ---- a/drivers/scsi/scsi_transport_iscsi.c -+++ b/drivers/scsi/scsi_transport_iscsi.c -@@ -80,7 +80,7 @@ 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); -@@ -1738,7 +1738,7 @@ 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); -@@ -3944,7 +3944,7 @@ 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 f379c7f..e8fc69c 100644 ---- a/drivers/scsi/scsi_transport_srp.c -+++ b/drivers/scsi/scsi_transport_srp.c -@@ -33,7 +33,7 @@ - #include "scsi_transport_srp_internal.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) - -@@ -61,7 +61,7 @@ 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; - } - -@@ -210,7 +210,7 @@ struct srp_rport *srp_rport_add(struct Scsi_Host *shost, - memcpy(rport->port_id, ids->port_id, sizeof(rport->port_id)); - rport->roles = ids->roles; - -- 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 610417e..1544fa9 100644 ---- a/drivers/scsi/sd.c -+++ b/drivers/scsi/sd.c -@@ -2928,7 +2928,7 @@ 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 df5e961..df6b97f 100644 ---- a/drivers/scsi/sg.c -+++ b/drivers/scsi/sg.c -@@ -1102,7 +1102,7 @@ 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/spi/spi.c b/drivers/spi/spi.c -index 32b7bb1..2f1c4bd 100644 ---- a/drivers/spi/spi.c -+++ b/drivers/spi/spi.c -@@ -1631,7 +1631,7 @@ 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/media/solo6x10/solo6x10-core.c b/drivers/staging/media/solo6x10/solo6x10-core.c -index 3675020..e80d92c 100644 ---- a/drivers/staging/media/solo6x10/solo6x10-core.c -+++ b/drivers/staging/media/solo6x10/solo6x10-core.c -@@ -434,7 +434,7 @@ 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/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c -index 34afc16..ffe44dd 100644 ---- a/drivers/staging/octeon/ethernet-rx.c -+++ b/drivers/staging/octeon/ethernet-rx.c -@@ -421,11 +421,11 @@ 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_t *)&priv->stats.rx_packets); -- atomic64_add(skb->len, (atomic64_t *)&priv->stats.rx_bytes); -+ atomic64_add_unchecked(1, (atomic64_unchecked_t *)&priv->stats.rx_packets); -+ atomic64_add_unchecked(skb->len, (atomic64_unchecked_t *)&priv->stats.rx_bytes); - #else -- atomic_add(1, (atomic_t *)&priv->stats.rx_packets); -- atomic_add(skb->len, (atomic_t *)&priv->stats.rx_bytes); -+ atomic_add_unchecked(1, (atomic_unchecked_t *)&priv->stats.rx_packets); -+ atomic_add_unchecked(skb->len, (atomic_unchecked_t *)&priv->stats.rx_bytes); - #endif - } - netif_receive_skb(skb); -@@ -437,9 +437,9 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) - dev->name); - */ - #ifdef CONFIG_64BIT -- atomic64_add(1, (atomic64_t *)&priv->stats.rx_dropped); -+ atomic64_unchecked_add(1, (atomic64_unchecked_t *)&priv->stats.rx_dropped); - #else -- atomic_add(1, (atomic_t *)&priv->stats.rx_dropped); -+ atomic_add_unchecked(1, (atomic_unchecked_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 c3a90e7..023619a 100644 ---- a/drivers/staging/octeon/ethernet.c -+++ b/drivers/staging/octeon/ethernet.c -@@ -252,11 +252,11 @@ 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/rtl8712/rtl871x_io.h b/drivers/staging/rtl8712/rtl871x_io.h -index dc23395..cf7e9b1 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/sbe-2t3e3/netdev.c b/drivers/staging/sbe-2t3e3/netdev.c -index 1f5088b..0e59820 100644 ---- a/drivers/staging/sbe-2t3e3/netdev.c -+++ b/drivers/staging/sbe-2t3e3/netdev.c -@@ -51,7 +51,7 @@ static int t3e3_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - t3e3_if_config(sc, cmd_2t3e3, (char *)&param, &resp, &rlen); - - if (rlen) -- if (copy_to_user(data, &resp, rlen)) -+ if (rlen > sizeof resp || copy_to_user(data, &resp, rlen)) - return -EFAULT; - - return 0; -diff --git a/drivers/staging/usbip/vhci.h b/drivers/staging/usbip/vhci.h -index a863a98..d272795 100644 ---- a/drivers/staging/usbip/vhci.h -+++ b/drivers/staging/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/staging/usbip/vhci_hcd.c b/drivers/staging/usbip/vhci_hcd.c -index d7974cb..d78076b 100644 ---- a/drivers/staging/usbip/vhci_hcd.c -+++ b/drivers/staging/usbip/vhci_hcd.c -@@ -441,7 +441,7 @@ 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"); - -@@ -687,7 +687,7 @@ 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"); - -@@ -891,7 +891,7 @@ 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/staging/usbip/vhci_rx.c b/drivers/staging/usbip/vhci_rx.c -index d07fcb5..358e1e1 100644 ---- a/drivers/staging/usbip/vhci_rx.c -+++ b/drivers/staging/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/staging/vt6655/hostap.c b/drivers/staging/vt6655/hostap.c -index 8417c2f..ef5ebd6 100644 ---- a/drivers/staging/vt6655/hostap.c -+++ b/drivers/staging/vt6655/hostap.c -@@ -69,14 +69,13 @@ static int msglevel = MSG_LEVEL_INFO; - * - */ - -+static net_device_ops_no_const apdev_netdev_ops; -+ - static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked) - { - PSDevice apdev_priv; - struct net_device *dev = pDevice->dev; - int ret; -- const struct net_device_ops apdev_netdev_ops = { -- .ndo_start_xmit = pDevice->tx_80211, -- }; - - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name); - -@@ -88,6 +87,8 @@ static int hostap_enable_hostapd(PSDevice pDevice, int rtnl_locked) - *apdev_priv = *pDevice; - memcpy(pDevice->apdev->dev_addr, dev->dev_addr, ETH_ALEN); - -+ /* only half broken now */ -+ apdev_netdev_ops.ndo_start_xmit = pDevice->tx_80211; - pDevice->apdev->netdev_ops = &apdev_netdev_ops; - - pDevice->apdev->type = ARPHRD_IEEE80211; -diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c -index c699a30..b90a5fd 100644 ---- a/drivers/staging/vt6656/hostap.c -+++ b/drivers/staging/vt6656/hostap.c -@@ -60,14 +60,13 @@ static int msglevel =MSG_LEVEL_INFO; - * - */ - -+static net_device_ops_no_const apdev_netdev_ops; -+ - static int hostap_enable_hostapd(struct vnt_private *pDevice, int rtnl_locked) - { - struct vnt_private *apdev_priv; - struct net_device *dev = pDevice->dev; - int ret; -- const struct net_device_ops apdev_netdev_ops = { -- .ndo_start_xmit = pDevice->tx_80211, -- }; - - DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "%s: Enabling hostapd mode\n", dev->name); - -@@ -79,6 +78,8 @@ static int hostap_enable_hostapd(struct vnt_private *pDevice, int rtnl_locked) - *apdev_priv = *pDevice; - memcpy(pDevice->apdev->dev_addr, dev->dev_addr, ETH_ALEN); - -+ /* only half broken now */ -+ apdev_netdev_ops.ndo_start_xmit = pDevice->tx_80211; - pDevice->apdev->netdev_ops = &apdev_netdev_ops; - - pDevice->apdev->type = ARPHRD_IEEE80211; -diff --git a/drivers/staging/zcache/tmem.h b/drivers/staging/zcache/tmem.h -index d128ce2..fc1f9a1 100644 ---- a/drivers/staging/zcache/tmem.h -+++ b/drivers/staging/zcache/tmem.h -@@ -225,7 +225,7 @@ struct tmem_pamops { - bool (*is_remote)(void *); - int (*replace_in_obj)(void *, struct tmem_obj *); - #endif --}; -+} __no_const; - extern void tmem_register_pamops(struct tmem_pamops *m); - - /* memory allocation methods provided by the host implementation */ -@@ -234,7 +234,7 @@ struct tmem_hostops { - void (*obj_free)(struct tmem_obj *, struct tmem_pool *); - struct tmem_objnode *(*objnode_alloc)(struct tmem_pool *); - void (*objnode_free)(struct tmem_objnode *, struct tmem_pool *); --}; -+} __no_const; - extern void tmem_register_hostops(struct tmem_hostops *m); - - /* core tmem accessor functions */ -diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c -index 4630481..c26782a 100644 ---- a/drivers/target/target_core_device.c -+++ b/drivers/target/target_core_device.c -@@ -1400,7 +1400,7 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name) - spin_lock_init(&dev->se_port_lock); - spin_lock_init(&dev->se_tmr_lock); - spin_lock_init(&dev->qf_cmd_lock); -- 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 21e3158..43c6004 100644 ---- a/drivers/target/target_core_transport.c -+++ b/drivers/target/target_core_transport.c -@@ -1080,7 +1080,7 @@ 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); - smp_mb__after_atomic_inc(); - pr_debug("Allocated se_ordered_id: %u for Task Attr: 0x%02x on %s\n", - cmd->se_ordered_id, cmd->sam_task_attr, -diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c -index 33f83fe..d80f8e1 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 - - /* -@@ -3972,7 +3972,7 @@ 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 eb255e8..f637a57 100644 ---- a/drivers/tty/hvc/hvc_console.c -+++ b/drivers/tty/hvc/hvc_console.c -@@ -338,7 +338,7 @@ 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; -@@ -388,7 +388,7 @@ 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); -@@ -406,9 +406,9 @@ 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); - } - } -@@ -438,12 +438,12 @@ 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); - -@@ -491,7 +491,7 @@ 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 81e939e..95ead10 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/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c -index 8fd72ff..34a0bed 100644 ---- a/drivers/tty/ipwireless/tty.c -+++ b/drivers/tty/ipwireless/tty.c -@@ -29,6 +29,7 @@ - #include <linux/tty_driver.h> - #include <linux/tty_flip.h> - #include <linux/uaccess.h> -+#include <asm/local.h> - - #include "tty.h" - #include "network.h" -@@ -99,10 +100,10 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp) - mutex_unlock(&tty->ipw_tty_mutex); - return -ENODEV; - } -- 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; -@@ -118,9 +119,7 @@ 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) { -@@ -141,7 +140,7 @@ 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; - } -@@ -164,7 +163,7 @@ 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; - } -@@ -206,7 +205,7 @@ 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; - } -@@ -246,7 +245,7 @@ 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; -@@ -288,7 +287,7 @@ 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; -@@ -369,7 +368,7 @@ 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); -@@ -385,7 +384,7 @@ 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); -@@ -399,7 +398,7 @@ 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 .. */ -@@ -555,7 +554,7 @@ 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 1deaca4..c8582d4 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 6422390..49003ac8 100644 ---- a/drivers/tty/n_gsm.c -+++ b/drivers/tty/n_gsm.c -@@ -1632,7 +1632,7 @@ 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; - } -@@ -2932,7 +2932,7 @@ 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); - dlci_get(dlci); - dlci_get(dlci->gsm->dlci[0]); - mux_get(dlci->gsm); -diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c -index 6c7fe90..9241dab 100644 ---- a/drivers/tty/n_tty.c -+++ b/drivers/tty/n_tty.c -@@ -2203,6 +2203,7 @@ 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 abfd990..5ab5da9 100644 ---- a/drivers/tty/pty.c -+++ b/drivers/tty/pty.c -@@ -796,8 +796,10 @@ 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 354564e..fe50d9a 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/kgdboc.c b/drivers/tty/serial/kgdboc.c -index 1002054..dd644a8 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/samsung.c b/drivers/tty/serial/samsung.c -index 0c8a9fa..234a95f 100644 ---- a/drivers/tty/serial/samsung.c -+++ b/drivers/tty/serial/samsung.c -@@ -453,11 +453,16 @@ static void s3c24xx_serial_shutdown(struct uart_port *port) - } - } - -+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 (%08lx,%p)\n", - port->mapbase, port->membase); - -@@ -1124,10 +1129,6 @@ 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 f87dbfd..42ad4b1 100644 ---- a/drivers/tty/serial/serial_core.c -+++ b/drivers/tty/serial/serial_core.c -@@ -1454,7 +1454,7 @@ 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); -@@ -1550,7 +1550,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp) - goto end; - } - -- port->count++; -+ atomic_inc(&port->count); - if (!state->uart_port || state->uart_port->flags & UPF_DEAD) { - retval = -ENXIO; - goto err_dec_count; -@@ -1578,7 +1578,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp) - /* - * Make sure the device is in D0 state. - */ -- if (port->count == 1) -+ if (atomic_read(&port->count) == 1) - uart_change_pm(state, UART_PM_STATE_ON); - - /* -@@ -1596,7 +1596,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp) - end: - return retval; - err_dec_count: -- port->count--; -+ atomic_inc(&port->count); - mutex_unlock(&port->mutex); - goto end; - } -diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c -index 8eaf1ab..85c030d 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; - -@@ -3297,12 +3297,12 @@ 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); - if (!tty_hung_up_p(filp)) { - extra_count = true; -- port->count--; -+ atomic_dec(&port->count); - } - spin_unlock_irqrestore(&info->irq_spinlock, flags); - port->blocked_open++; -@@ -3331,7 +3331,7 @@ 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(); -@@ -3343,12 +3343,12 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, - - /* FIXME: Racy on hangup during close wait */ - if (extra_count) -- 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; -@@ -3400,7 +3400,7 @@ 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 (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){ -@@ -3419,10 +3419,10 @@ 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) -@@ -3446,8 +3446,8 @@ 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; -@@ -7665,7 +7665,7 @@ 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) -@@ -7760,7 +7760,7 @@ 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; -@@ -7846,7 +7846,7 @@ 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 1abf946..1ee34fc 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 (tty_hung_up_p(filp) || 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)); -@@ -3302,7 +3302,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - spin_lock_irqsave(&info->lock, flags); - if (!tty_hung_up_p(filp)) { - extra_count = true; -- port->count--; -+ atomic_dec(&port->count); - } - spin_unlock_irqrestore(&info->lock, flags); - port->blocked_open++; -@@ -3339,7 +3339,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - remove_wait_queue(&port->open_wait, &wait); - - if (extra_count) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - - if (!retval) -diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c -index ff17138..e38b41e 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 (tty_hung_up_p(filp) || 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) -@@ -2620,7 +2620,7 @@ 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 ) -@@ -3318,12 +3318,12 @@ 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); - if (!tty_hung_up_p(filp)) { - extra_count = true; -- port->count--; -+ atomic_dec(&port->count); - } - spin_unlock_irqrestore(&info->lock, flags); - port->blocked_open++; -@@ -3352,7 +3352,7 @@ 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(); -@@ -3363,12 +3363,12 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - remove_wait_queue(&port->open_wait, &wait); - - if (extra_count) -- 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 b51c154..17d55d1 100644 ---- a/drivers/tty/sysrq.c -+++ b/drivers/tty/sysrq.c -@@ -1022,7 +1022,7 @@ 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 4476682..d77e748 100644 ---- a/drivers/tty/tty_io.c -+++ b/drivers/tty/tty_io.c -@@ -3466,7 +3466,7 @@ EXPORT_SYMBOL_GPL(get_current_tty); - - 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 1afe192..73d2c20 100644 ---- a/drivers/tty/tty_ldisc.c -+++ b/drivers/tty/tty_ldisc.c -@@ -66,7 +66,7 @@ int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc) - raw_spin_lock_irqsave(&tty_ldisc_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_ldisc_lock, flags); - - return ret; -@@ -94,7 +94,7 @@ int tty_unregister_ldisc(int disc) - return -EINVAL; - - raw_spin_lock_irqsave(&tty_ldisc_lock, flags); -- if (tty_ldiscs[disc]->refcount) -+ if (atomic_read(&tty_ldiscs[disc]->refcount)) - ret = -EBUSY; - else - tty_ldiscs[disc] = NULL; -@@ -115,7 +115,7 @@ 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; - } - } -@@ -128,7 +128,7 @@ static void put_ldops(struct tty_ldisc_ops *ldops) - unsigned long flags; - - raw_spin_lock_irqsave(&tty_ldisc_lock, flags); -- ldops->refcount--; -+ atomic_dec(&ldops->refcount); - module_put(ldops->owner); - raw_spin_unlock_irqrestore(&tty_ldisc_lock, flags); - } -@@ -196,7 +196,7 @@ static inline void tty_ldisc_put(struct tty_ldisc *ld) - /* unreleased reader reference(s) will cause this WARN */ - WARN_ON(!atomic_dec_and_test(&ld->users)); - -- ld->ops->refcount--; -+ atomic_dec(&ld->ops->refcount); - module_put(ld->ops->owner); - kfree(ld); - raw_spin_unlock_irqrestore(&tty_ldisc_lock, flags); -diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c -index f597e88..b7f68ed 100644 ---- a/drivers/tty/tty_port.c -+++ b/drivers/tty/tty_port.c -@@ -232,7 +232,7 @@ 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) -@@ -390,7 +390,7 @@ int tty_port_block_til_ready(struct tty_port *port, - /* The port lock protects the port counts */ - spin_lock_irqsave(&port->lock, flags); - if (!tty_hung_up_p(filp)) -- port->count--; -+ atomic_dec(&port->count); - port->blocked_open++; - spin_unlock_irqrestore(&port->lock, flags); - -@@ -432,7 +432,7 @@ 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; -@@ -466,19 +466,19 @@ int tty_port_close_start(struct tty_port *port, - return 0; - } - -- 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); - if (port->ops->drop) - port->ops->drop(port); -@@ -564,7 +564,7 @@ int tty_port_open(struct tty_port *port, struct tty_struct *tty, - { - spin_lock_irq(&port->lock); - if (!tty_hung_up_p(filp)) -- ++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 a9af1b9a..1e08e7f 100644 ---- a/drivers/tty/vt/keyboard.c -+++ b/drivers/tty/vt/keyboard.c -@@ -647,6 +647,16 @@ 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); - } - -@@ -1795,9 +1805,6 @@ 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 */ -@@ -1812,6 +1819,9 @@ 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) { -@@ -1902,9 +1912,6 @@ 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; -@@ -1938,6 +1945,9 @@ 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 b645c47..a55c182 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) - -@@ -32,10 +33,10 @@ 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; -- int vma_count; -+ local_t vma_count; - struct uio_info *info; - struct kobject *map_dir; - struct kobject *portio_dir; -@@ -242,7 +243,7 @@ static ssize_t show_event(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 struct device_attribute uio_class_attributes[] = { -@@ -398,7 +399,7 @@ 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); - } -@@ -451,7 +452,7 @@ 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) { -@@ -502,7 +503,7 @@ 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; - } -@@ -527,7 +528,7 @@ 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; -@@ -596,13 +597,13 @@ static int uio_find_mem_index(struct vm_area_struct *vma) - static void uio_vma_open(struct vm_area_struct *vma) - { - struct uio_device *idev = vma->vm_private_data; -- idev->vma_count++; -+ local_inc(&idev->vma_count); - } - - static void uio_vma_close(struct vm_area_struct *vma) - { - struct uio_device *idev = vma->vm_private_data; -- idev->vma_count--; -+ local_dec(&idev->vma_count); - } - - static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -@@ -809,7 +810,7 @@ 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 8a7eb77..c00402f 100644 ---- a/drivers/usb/atm/cxacru.c -+++ b/drivers/usb/atm/cxacru.c -@@ -473,7 +473,7 @@ 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 d3527dd..26effa2 100644 ---- a/drivers/usb/atm/usbatm.c -+++ b/drivers/usb/atm/usbatm.c -@@ -333,7 +333,7 @@ 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; - } - -@@ -361,7 +361,7 @@ 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; - } - -@@ -370,14 +370,14 @@ 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; - } - -@@ -389,7 +389,7 @@ 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; - } - -@@ -417,7 +417,7 @@ 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); - } -@@ -623,7 +623,7 @@ 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); - } -@@ -779,11 +779,11 @@ static int usbatm_atm_proc_read(struct atm_dev *atm_dev, loff_t * pos, char *pag - 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/hcd.c b/drivers/usb/core/hcd.c -index d53547d..6a22d02 100644 ---- a/drivers/usb/core/hcd.c -+++ b/drivers/usb/core/hcd.c -@@ -1526,7 +1526,7 @@ 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 -@@ -1553,7 +1553,7 @@ 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 da2905a..834a569 100644 ---- a/drivers/usb/core/hub.c -+++ b/drivers/usb/core/hub.c -@@ -27,6 +27,7 @@ - #include <linux/freezer.h> - #include <linux/random.h> - #include <linux/pm_qos.h> -+#include <linux/grsecurity.h> - - #include <asm/uaccess.h> - #include <asm/byteorder.h> -@@ -4424,6 +4425,10 @@ static void hub_port_connect_change(struct usb_hub *hub, int port1, - 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 444d30e..f15c850 100644 ---- a/drivers/usb/core/message.c -+++ b/drivers/usb/core/message.c -@@ -129,7 +129,7 @@ static int usb_internal_control_msg(struct usb_device *usb_dev, - * method can wait for it to complete. Since you don't have a handle on the - * URB used, you can't cancel the request. - */ --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) - { -diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c -index aa38db4..0a08682 100644 ---- a/drivers/usb/core/sysfs.c -+++ b/drivers/usb/core/sysfs.c -@@ -239,7 +239,7 @@ show_urbnum(struct device *dev, struct device_attribute *attr, char *buf) - 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(urbnum, S_IRUGO, show_urbnum, NULL); - -diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c -index b10da72..43aa0b2 100644 ---- a/drivers/usb/core/usb.c -+++ b/drivers/usb/core/usb.c -@@ -389,7 +389,7 @@ 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/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c -index f77083f..f3e2e34 100644 ---- a/drivers/usb/dwc3/gadget.c -+++ b/drivers/usb/dwc3/gadget.c -@@ -550,8 +550,6 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, - if (!usb_endpoint_xfer_isoc(desc)) - return 0; - -- memset(&trb_link, 0, sizeof(trb_link)); -- - /* Link TRB for ISOC. The HWO bit is never reset */ - trb_st_hw = &dep->trb_pool[0]; - -diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c -index 5e29dde..eca992f 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 -@@ -1047,6 +1048,13 @@ 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) -@@ -1062,8 +1070,10 @@ 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/u_serial.c b/drivers/usb/gadget/u_serial.c -index b369292..9f3ba40 100644 ---- a/drivers/usb/gadget/u_serial.c -+++ b/drivers/usb/gadget/u_serial.c -@@ -733,9 +733,9 @@ 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) { -@@ -794,7 +794,7 @@ 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 */ -@@ -836,11 +836,11 @@ 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; - } - -@@ -850,7 +850,7 @@ 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) -@@ -1066,7 +1066,7 @@ 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; - } -@@ -1209,7 +1209,7 @@ 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) -@@ -1256,7 +1256,7 @@ 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); -@@ -1272,7 +1272,7 @@ 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/serial/console.c b/drivers/usb/serial/console.c -index 5f3bcd3..bfca43f 100644 ---- a/drivers/usb/serial/console.c -+++ b/drivers/usb/serial/console.c -@@ -124,7 +124,7 @@ 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) { - /* -@@ -174,7 +174,7 @@ 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; -@@ -187,7 +187,7 @@ static int usb_console_setup(struct console *co, char *options) - free_tty: - kfree(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); -diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h -index 75f70f0..d467e1a 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/wusbcore/wa-hc.h b/drivers/usb/wusbcore/wa-hc.h -index d6bea3e..60b250e 100644 ---- a/drivers/usb/wusbcore/wa-hc.h -+++ b/drivers/usb/wusbcore/wa-hc.h -@@ -192,7 +192,7 @@ struct wahc { - struct list_head xfer_delayed_list; - spinlock_t xfer_list_lock; - struct work_struct xfer_work; -- atomic_t xfer_id_count; -+ atomic_unchecked_t xfer_id_count; - }; - - -@@ -246,7 +246,7 @@ static inline void wa_init(struct wahc *wa) - INIT_LIST_HEAD(&wa->xfer_delayed_list); - spin_lock_init(&wa->xfer_list_lock); - INIT_WORK(&wa->xfer_work, wa_urb_enqueue_run); -- atomic_set(&wa->xfer_id_count, 1); -+ atomic_set_unchecked(&wa->xfer_id_count, 1); - } - - /** -diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c -index 028fc83..65bb105 100644 ---- a/drivers/usb/wusbcore/wa-xfer.c -+++ b/drivers/usb/wusbcore/wa-xfer.c -@@ -296,7 +296,7 @@ out: - */ - 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); - } - - /* -diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c -index 5174eba..86e764a 100644 ---- a/drivers/vhost/vringh.c -+++ b/drivers/vhost/vringh.c -@@ -800,7 +800,7 @@ static inline int getu16_kern(u16 *val, const u16 *p) - - static inline int putu16_kern(u16 *p, u16 val) - { -- ACCESS_ONCE(*p) = val; -+ ACCESS_ONCE_RW(*p) = val; - return 0; - } - -diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c -index 8c55011..eed4ae1a 100644 ---- a/drivers/video/aty/aty128fb.c -+++ b/drivers/video/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/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c -index 4f27fdc..d3537e6 100644 ---- a/drivers/video/aty/atyfb_base.c -+++ b/drivers/video/aty/atyfb_base.c -@@ -1325,10 +1325,14 @@ 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/aty/mach64_cursor.c b/drivers/video/aty/mach64_cursor.c -index 95ec042..e6affdd 100644 ---- a/drivers/video/aty/mach64_cursor.c -+++ b/drivers/video/aty/mach64_cursor.c -@@ -7,6 +7,7 @@ - #include <linux/string.h> - - #include <asm/io.h> -+#include <asm/pgtable.h> - - #ifdef __sparc__ - #include <asm/fbio.h> -@@ -208,7 +209,9 @@ 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/backlight/backlight.c b/drivers/video/backlight/backlight.c -index c74e7aa..e3c2790 100644 ---- a/drivers/video/backlight/backlight.c -+++ b/drivers/video/backlight/backlight.c -@@ -304,7 +304,7 @@ struct backlight_device *backlight_device_register(const char *name, - new_bd->dev.class = backlight_class; - new_bd->dev.parent = parent; - new_bd->dev.release = bl_device_release; -- dev_set_name(&new_bd->dev, name); -+ dev_set_name(&new_bd->dev, "%s", name); - dev_set_drvdata(&new_bd->dev, devdata); - - /* Set default properties */ -diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c -index bca6ccc..252107e 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 __initdata kb3886bl_device_table[] = { -+static const struct dmi_system_id __initconst kb3886bl_device_table[] = { - { - .ident = "Sahara Touch-iT", - .matches = { -diff --git a/drivers/video/backlight/lcd.c b/drivers/video/backlight/lcd.c -index 34fb6bd..3649fd9 100644 ---- a/drivers/video/backlight/lcd.c -+++ b/drivers/video/backlight/lcd.c -@@ -219,7 +219,7 @@ struct lcd_device *lcd_device_register(const char *name, struct device *parent, - new_ld->dev.class = lcd_class; - new_ld->dev.parent = parent; - new_ld->dev.release = lcd_device_release; -- dev_set_name(&new_ld->dev, name); -+ dev_set_name(&new_ld->dev, "%s", name); - dev_set_drvdata(&new_ld->dev, devdata); - - rc = device_register(&new_ld->dev); -diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c -index 900aa4e..6d49418 100644 ---- a/drivers/video/fb_defio.c -+++ b/drivers/video/fb_defio.c -@@ -206,7 +206,9 @@ 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 */ -@@ -237,7 +239,7 @@ 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/fbcmap.c b/drivers/video/fbcmap.c -index 5c3960d..15cf8fc 100644 ---- a/drivers/video/fbcmap.c -+++ b/drivers/video/fbcmap.c -@@ -285,8 +285,7 @@ int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info) - rc = -ENODEV; - goto out; - } -- if (cmap->start < 0 || (!info->fbops->fb_setcolreg && -- !info->fbops->fb_setcmap)) { -+ if (!info->fbops->fb_setcolreg && !info->fbops->fb_setcmap) { - rc = -EINVAL; - goto out1; - } -diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c -index 098bfc6..796841d 100644 ---- a/drivers/video/fbmem.c -+++ b/drivers/video/fbmem.c -@@ -428,7 +428,7 @@ static void fb_do_show_logo(struct fb_info *info, struct fb_image *image, - image->dx += image->width + 8; - } - } else if (rotate == FB_ROTATE_UD) { -- for (x = 0; x < num && image->dx >= 0; x++) { -+ for (x = 0; x < num && (__s32)image->dx >= 0; x++) { - info->fbops->fb_imageblit(info, image); - image->dx -= image->width + 8; - } -@@ -440,7 +440,7 @@ static void fb_do_show_logo(struct fb_info *info, struct fb_image *image, - image->dy += image->height + 8; - } - } else if (rotate == FB_ROTATE_CCW) { -- for (x = 0; x < num && image->dy >= 0; x++) { -+ for (x = 0; x < num && (__s32)image->dy >= 0; x++) { - info->fbops->fb_imageblit(info, image); - image->dy -= image->height + 8; - } -@@ -1166,7 +1166,7 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd, - return -EFAULT; - if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) - return -EINVAL; -- if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX) -+ if (con2fb.framebuffer >= FB_MAX) - return -EINVAL; - if (!registered_fb[con2fb.framebuffer]) - request_module("fb%d", con2fb.framebuffer); -diff --git a/drivers/video/i810/i810_accel.c b/drivers/video/i810/i810_accel.c -index 7672d2e..b56437f 100644 ---- a/drivers/video/i810/i810_accel.c -+++ b/drivers/video/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/logo/logo_linux_clut224.ppm b/drivers/video/logo/logo_linux_clut224.ppm -index 3c14e43..eafa544 100644 ---- a/drivers/video/logo/logo_linux_clut224.ppm -+++ b/drivers/video/logo/logo_linux_clut224.ppm -@@ -1,1604 +1,1123 @@ - 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 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4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 5 5 5 4 3 3 5 5 5 -+5 5 5 5 5 5 4 0 0 6 6 6 4 0 0 6 6 6 -+6 6 6 6 6 6 6 6 6 4 0 0 6 6 6 4 0 0 -+6 6 6 4 3 3 5 5 5 4 3 3 5 5 5 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 -+4 3 3 6 6 6 4 3 3 6 6 6 6 6 6 6 6 6 -+4 0 0 6 6 6 4 0 0 6 6 6 6 6 6 6 6 6 -+6 6 6 4 3 3 5 5 5 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 5 5 5 4 3 3 5 5 5 4 0 0 6 6 6 -+6 6 6 4 0 0 6 6 6 6 6 6 4 0 0 6 6 6 -+4 3 3 5 5 5 5 5 5 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 5 5 5 4 3 3 5 5 5 6 6 6 4 3 3 -+4 3 3 6 6 6 6 6 6 4 3 3 6 6 6 4 3 3 -+5 5 5 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 5 5 5 4 3 3 6 6 6 -+5 5 5 4 3 3 4 3 3 4 3 3 5 5 5 5 5 5 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 5 5 5 4 3 3 -+5 5 5 4 3 3 5 5 5 5 5 5 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 -+4 4 4 4 4 4 -diff --git a/drivers/video/mb862xx/mb862xxfb_accel.c b/drivers/video/mb862xx/mb862xxfb_accel.c -index fe92eed..106e085 100644 ---- a/drivers/video/mb862xx/mb862xxfb_accel.c -+++ b/drivers/video/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/nvidia/nvidia.c b/drivers/video/nvidia/nvidia.c -index ff22871..b129bed 100644 ---- a/drivers/video/nvidia/nvidia.c -+++ b/drivers/video/nvidia/nvidia.c -@@ -669,19 +669,23 @@ 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; -@@ -1173,8 +1177,11 @@ 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/output.c b/drivers/video/output.c -index 0d6f2cd..6285b97 100644 ---- a/drivers/video/output.c -+++ b/drivers/video/output.c -@@ -97,7 +97,7 @@ struct output_device *video_output_register(const char *name, - new_dev->props = op; - new_dev->dev.class = &video_output_class; - new_dev->dev.parent = dev; -- dev_set_name(&new_dev->dev, name); -+ dev_set_name(&new_dev->dev, "%s", name); - dev_set_drvdata(&new_dev->dev, devdata); - ret_code = device_register(&new_dev->dev); - if (ret_code) { -diff --git a/drivers/video/s1d13xxxfb.c b/drivers/video/s1d13xxxfb.c -index 05c2dc3..ea1f391 100644 ---- a/drivers/video/s1d13xxxfb.c -+++ b/drivers/video/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/smscufx.c b/drivers/video/smscufx.c -index b2b33fc..f9f4658 100644 ---- a/drivers/video/smscufx.c -+++ b/drivers/video/smscufx.c -@@ -1175,7 +1175,9 @@ 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/udlfb.c b/drivers/video/udlfb.c -index ec03e72..f578436 100644 ---- a/drivers/video/udlfb.c -+++ b/drivers/video/udlfb.c -@@ -623,11 +623,11 @@ 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); - } -@@ -993,7 +993,9 @@ 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", -@@ -1376,7 +1378,7 @@ 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, -@@ -1384,7 +1386,7 @@ 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, -@@ -1392,7 +1394,7 @@ 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, -@@ -1400,7 +1402,7 @@ 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( -@@ -1460,10 +1462,10 @@ 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/uvesafb.c b/drivers/video/uvesafb.c -index e328a61..1b08ecb 100644 ---- a/drivers/video/uvesafb.c -+++ b/drivers/video/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 -@@ -569,10 +570,32 @@ 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); -@@ -817,13 +840,14 @@ 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 actively." - "We have better not to use the PMI.\n"); -- } else { -+ } else -+#endif - uvesafb_vbe_getpmi(task, par); -- } - } - #else - /* The protected mode interface is not available on non-x86. */ -@@ -1457,8 +1481,11 @@ 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 -@@ -1534,8 +1561,11 @@ 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) -@@ -1836,6 +1866,11 @@ out: - if (par->vbe_modes) - kfree(par->vbe_modes); - -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ if (par->pmi_code) -+ module_free_exec(NULL, par->pmi_code); -+#endif -+ - framebuffer_release(info); - return err; - } -@@ -1862,6 +1897,12 @@ static int uvesafb_remove(struct platform_device *dev) - kfree(par->vbe_state_orig); - if (par->vbe_state_saved) - kfree(par->vbe_state_saved); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ if (par->pmi_code) -+ module_free_exec(NULL, par->pmi_code); -+#endif -+ - } - - framebuffer_release(info); -diff --git a/drivers/video/vesafb.c b/drivers/video/vesafb.c -index 501b340..d80aa17 100644 ---- a/drivers/video/vesafb.c -+++ b/drivers/video/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 __initdata; /* Set amount of memory to be used */ - static int vram_total __initdata; /* 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 __init vesafb_probe(struct platform_device *dev) - unsigned int size_vmode; - unsigned int size_remap; - unsigned int size_total; -+ void *pmi_code = NULL; - - if (screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB) - return -ENODEV; -@@ -275,10 +277,6 @@ static int __init 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", -@@ -307,9 +305,21 @@ static int __init 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) -@@ -317,9 +327,25 @@ static int __init 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 = "); -@@ -472,8 +498,11 @@ static int __init 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; -@@ -488,6 +517,11 @@ static int __init vesafb_probe(struct platform_device *dev) - info->node, info->fix.id); - return 0; - err: -+ -+#if defined(__i386__) && defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ module_free_exec(NULL, pmi_code); -+#endif -+ - if (info->screen_base) - iounmap(info->screen_base); - framebuffer_release(info); -diff --git a/drivers/video/via/via_clock.h b/drivers/video/via/via_clock.h -index 88714ae..16c2e11 100644 ---- a/drivers/video/via/via_clock.h -+++ b/drivers/video/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/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/fs/9p/vfs_addr.c b/fs/9p/vfs_addr.c -index 055562c..fdfb10d 100644 ---- a/fs/9p/vfs_addr.c -+++ b/fs/9p/vfs_addr.c -@@ -186,7 +186,7 @@ static int v9fs_vfs_writepage_locked(struct page *page) - - retval = v9fs_file_write_internal(inode, - v9inode->writeback_fid, -- (__force const char __user *)buffer, -+ (const char __force_user *)buffer, - len, &offset, 0); - if (retval > 0) - retval = 0; -diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c -index d86edc8..40ff2fb 100644 ---- a/fs/9p/vfs_inode.c -+++ b/fs/9p/vfs_inode.c -@@ -1314,7 +1314,7 @@ static void *v9fs_vfs_follow_link(struct dentry *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, " %s %s\n", - dentry->d_name.name, IS_ERR(s) ? "<error>" : s); -diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt -index 370b24c..ff0be7b 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/aio.c b/fs/aio.c -index 2bbcacf..8614116 100644 ---- a/fs/aio.c -+++ b/fs/aio.c -@@ -160,7 +160,7 @@ static int aio_setup_ring(struct kioctx *ctx) - size += sizeof(struct io_event) * nr_events; - nr_pages = (size + PAGE_SIZE-1) >> PAGE_SHIFT; - -- if (nr_pages < 0) -+ if (nr_pages <= 0) - return -EINVAL; - - nr_events = (PAGE_SIZE * nr_pages - sizeof(struct aio_ring)) / sizeof(struct io_event); -@@ -950,6 +950,7 @@ static ssize_t aio_rw_vect_retry(struct kiocb *iocb, int rw, aio_rw_op *rw_op) - static ssize_t aio_setup_vectored_rw(int rw, struct kiocb *kiocb, bool compat) - { - ssize_t ret; -+ struct iovec iovstack; - - kiocb->ki_nr_segs = kiocb->ki_nbytes; - -@@ -957,17 +958,22 @@ static ssize_t aio_setup_vectored_rw(int rw, struct kiocb *kiocb, bool compat) - if (compat) - ret = compat_rw_copy_check_uvector(rw, - (struct compat_iovec __user *)kiocb->ki_buf, -- kiocb->ki_nr_segs, 1, &kiocb->ki_inline_vec, -+ kiocb->ki_nr_segs, 1, &iovstack, - &kiocb->ki_iovec); - else - #endif - ret = rw_copy_check_uvector(rw, - (struct iovec __user *)kiocb->ki_buf, -- kiocb->ki_nr_segs, 1, &kiocb->ki_inline_vec, -+ kiocb->ki_nr_segs, 1, &iovstack, - &kiocb->ki_iovec); - if (ret < 0) - return ret; - -+ if (kiocb->ki_iovec == &iovstack) { -+ kiocb->ki_inline_vec = iovstack; -+ kiocb->ki_iovec = &kiocb->ki_inline_vec; -+ } -+ - /* ki_nbytes now reflect bytes instead of segs */ - kiocb->ki_nbytes = ret; - return 0; -diff --git a/fs/attr.c b/fs/attr.c -index 1449adb..a2038c2 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 3db70da..7aeec5b 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); -@@ -346,6 +346,10 @@ 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) - { -@@ -379,7 +383,12 @@ 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..c8dd2a7 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) -diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c -index f95dddc..b1e2c1c 100644 ---- a/fs/befs/linuxvfs.c -+++ b/fs/befs/linuxvfs.c -@@ -510,7 +510,7 @@ static void befs_put_link(struct dentry *dentry, struct nameidata *nd, void *p) - { - befs_inode_info *befs_ino = BEFS_I(dentry->d_inode); - if (befs_ino->i_flags & BEFS_LONG_SYMLINK) { -- char *link = nd_get_link(nd); -+ const char *link = nd_get_link(nd); - if (!IS_ERR(link)) - kfree(link); - } -diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c -index bce8769..7fc7544 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> -@@ -59,6 +60,8 @@ 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; -@@ -69,10 +72,12 @@ 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; - -@@ -233,6 +238,8 @@ 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; - -@@ -267,6 +274,27 @@ 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; -@@ -324,7 +352,7 @@ static int load_aout_binary(struct linux_binprm * bprm) - } - - 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 f8a0b0e..6f036ed 100644 ---- a/fs/binfmt_elf.c -+++ b/fs/binfmt_elf.c -@@ -34,6 +34,7 @@ - #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> -@@ -60,6 +61,14 @@ 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 -@@ -79,6 +88,15 @@ 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, - }; - -@@ -86,6 +104,8 @@ 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) { -@@ -94,7 +114,7 @@ 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; - } - -@@ -155,12 +175,13 @@ 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 -@@ -202,8 +223,12 @@ 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; - -@@ -318,9 +343,11 @@ 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; - } -@@ -388,15 +415,14 @@ static unsigned long total_mapping_size(struct elf_phdr *cmds, int nr) - an ELF header */ - - static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, -- struct file *interpreter, unsigned long *interp_map_addr, -- unsigned long no_base) -+ struct file *interpreter, unsigned long no_base) - { - struct elf_phdr *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 retval, i, size; - -@@ -442,6 +468,11 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, - goto out_close; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ - eppnt = elf_phdata; - for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) { - if (eppnt->p_type == PT_LOAD) { -@@ -465,8 +496,6 @@ 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_close; -@@ -485,8 +514,8 @@ 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_close; - } -@@ -538,6 +567,315 @@ 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_ei_pax(const struct elfhdr * const elf_ex) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_EI_PAX -+ -+#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 -+ -+#else -+ -+#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 -+ -+#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 ~0UL; -+ -+#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 ~0UL; -+} -+ -+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 ~0UL; -+ -+ for (i = 0; i < xattr_size; i++) -+ switch (xattr_value[i]) { -+ default: -+ return ~0UL; -+ -+#define parse_flag(option1, option2, flag) \ -+ case option1: \ -+ if (pax_flags_hardmode & MF_PAX_##flag) \ -+ return ~0UL; \ -+ pax_flags_hardmode |= MF_PAX_##flag; \ -+ break; \ -+ case option2: \ -+ if (pax_flags_softmode & MF_PAX_##flag) \ -+ return ~0UL; \ -+ 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 ~0UL; -+ -+#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 ~0UL; -+#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, pt_pax_flags, xattr_pax_flags; -+ -+ 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 == ~0UL) -+ pt_pax_flags = xattr_pax_flags; -+ else if (xattr_pax_flags == ~0UL) -+ xattr_pax_flags = pt_pax_flags; -+ if (pt_pax_flags != xattr_pax_flags) -+ return -EINVAL; -+ if (pt_pax_flags != ~0UL) -+ pax_flags = pt_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. -@@ -554,6 +892,11 @@ static unsigned long randomize_stack_top(unsigned long stack_top) - { - unsigned int 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 = get_random_int() & STACK_RND_MASK; -@@ -572,7 +915,7 @@ 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; - unsigned long elf_bss, elf_brk; - int retval, i; -@@ -582,12 +925,12 @@ static int load_elf_binary(struct linux_binprm *bprm) - unsigned long start_code, end_code, start_data, end_data; - unsigned long reloc_func_desc __maybe_unused = 0; - int executable_stack = EXSTACK_DEFAULT; -- unsigned long def_flags = 0; - struct pt_regs *regs = current_pt_regs(); - struct { - struct elfhdr elf_ex; - struct elfhdr interp_elf_ex; - } *loc; -+ unsigned long pax_task_size = TASK_SIZE; - - loc = kmalloc(sizeof(*loc), GFP_KERNEL); - if (!loc) { -@@ -723,11 +1066,81 @@ static int load_elf_binary(struct linux_binprm *bprm) - goto out_free_dentry; - - /* OK, This is the point of no return */ -- current->mm->def_flags = def_flags; -+ -+#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 -+ -+ current->mm->def_flags = 0; -+ -+#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; -+ } -+#endif -+ -+#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 - - /* Do this immediately, since STACK_TOP as used in setup_arg_pages - may depend on the personality. */ - SET_PERSONALITY(loc->elf_ex); -+ -+#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; - -@@ -819,6 +1232,20 @@ static int load_elf_binary(struct linux_binprm *bprm) - #else - load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr); - #endif -+ -+#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 -+ - } - - error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt, -@@ -851,9 +1278,9 @@ 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. */ - send_sig(SIGKILL, current, 0); - retval = -EINVAL; -@@ -892,17 +1319,45 @@ static int load_elf_binary(struct linux_binprm *bprm) - goto out_free_dentry; - } - if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) { -- send_sig(SIGSEGV, current, 0); -- 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) { -+ send_sig(SIGKILL, current, 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); - if (!IS_ERR((void *)elf_entry)) { - /* -@@ -1124,7 +1579,7 @@ 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)) - -@@ -1162,7 +1617,7 @@ 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; - - /* -@@ -1387,9 +1842,9 @@ 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); - } - -@@ -1398,7 +1853,7 @@ 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); - } -@@ -2019,14 +2474,14 @@ static void fill_extnum_info(struct elfhdr *elf, struct elf_shdr *shdr4extnum, - } - - static size_t elf_core_vma_data_size(struct vm_area_struct *gate_vma, -- unsigned long mm_flags) -+ struct coredump_params *cprm) - { - struct vm_area_struct *vma; - size_t size = 0; - - for (vma = first_vma(current, gate_vma); vma != NULL; - vma = next_vma(vma, gate_vma)) -- size += vma_dump_size(vma, mm_flags); -+ size += vma_dump_size(vma, cprm->mm_flags, cprm->siginfo->si_signo); - return size; - } - -@@ -2119,7 +2574,7 @@ static int elf_core_dump(struct coredump_params *cprm) - - dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE); - -- offset += elf_core_vma_data_size(gate_vma, cprm->mm_flags); -+ offset += elf_core_vma_data_size(gate_vma, cprm); - offset += elf_core_extra_data_size(); - e_shoff = offset; - -@@ -2133,10 +2588,12 @@ static int elf_core_dump(struct coredump_params *cprm) - offset = dataoff; - - size += sizeof(*elf); -+ gr_learn_resource(current, RLIMIT_CORE, size, 1); - if (size > cprm->limit || !dump_write(cprm->file, elf, sizeof(*elf))) - goto end_coredump; - - size += sizeof(*phdr4note); -+ gr_learn_resource(current, RLIMIT_CORE, size, 1); - if (size > cprm->limit - || !dump_write(cprm->file, phdr4note, sizeof(*phdr4note))) - goto end_coredump; -@@ -2150,7 +2607,7 @@ static int elf_core_dump(struct coredump_params *cprm) - phdr.p_offset = offset; - phdr.p_vaddr = vma->vm_start; - phdr.p_paddr = 0; -- phdr.p_filesz = vma_dump_size(vma, cprm->mm_flags); -+ phdr.p_filesz = vma_dump_size(vma, cprm->mm_flags, cprm->siginfo->si_signo); - phdr.p_memsz = vma->vm_end - vma->vm_start; - offset += phdr.p_filesz; - phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0; -@@ -2161,6 +2618,7 @@ static int elf_core_dump(struct coredump_params *cprm) - phdr.p_align = ELF_EXEC_PAGESIZE; - - size += sizeof(phdr); -+ gr_learn_resource(current, RLIMIT_CORE, size, 1); - if (size > cprm->limit - || !dump_write(cprm->file, &phdr, sizeof(phdr))) - goto end_coredump; -@@ -2185,7 +2643,7 @@ static int elf_core_dump(struct coredump_params *cprm) - unsigned long addr; - unsigned long end; - -- end = vma->vm_start + vma_dump_size(vma, cprm->mm_flags); -+ end = vma->vm_start + vma_dump_size(vma, cprm->mm_flags, cprm->siginfo->si_signo); - - for (addr = vma->vm_start; addr < end; addr += PAGE_SIZE) { - struct page *page; -@@ -2194,6 +2652,7 @@ static int elf_core_dump(struct coredump_params *cprm) - page = get_dump_page(addr); - if (page) { - void *kaddr = kmap(page); -+ gr_learn_resource(current, RLIMIT_CORE, size + PAGE_SIZE, 1); - stop = ((size += PAGE_SIZE) > cprm->limit) || - !dump_write(cprm->file, kaddr, - PAGE_SIZE); -@@ -2211,6 +2670,7 @@ static int elf_core_dump(struct coredump_params *cprm) - - if (e_phnum == PN_XNUM) { - size += sizeof(*shdr4extnum); -+ gr_learn_resource(current, RLIMIT_CORE, size, 1); - if (size > cprm->limit - || !dump_write(cprm->file, shdr4extnum, - sizeof(*shdr4extnum))) -@@ -2231,6 +2691,167 @@ 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/binfmt_flat.c b/fs/binfmt_flat.c -index d50bbe5..af3b649 100644 ---- a/fs/binfmt_flat.c -+++ b/fs/binfmt_flat.c -@@ -566,7 +566,9 @@ static int load_flat_file(struct linux_binprm * bprm, - realdatastart = (unsigned long) -ENOMEM; - printk("Unable to allocate RAM for process data, errno %d\n", - (int)-realdatastart); -+ down_write(&current->mm->mmap_sem); - vm_munmap(textpos, text_len); -+ up_write(&current->mm->mmap_sem); - ret = realdatastart; - goto err; - } -@@ -590,8 +592,10 @@ static int load_flat_file(struct linux_binprm * bprm, - } - if (IS_ERR_VALUE(result)) { - printk("Unable to read data+bss, errno %d\n", (int)-result); -+ down_write(&current->mm->mmap_sem); - vm_munmap(textpos, text_len); - vm_munmap(realdatastart, len); -+ up_write(&current->mm->mmap_sem); - ret = result; - goto err; - } -@@ -653,8 +657,10 @@ static int load_flat_file(struct linux_binprm * bprm, - } - if (IS_ERR_VALUE(result)) { - printk("Unable to read code+data+bss, errno %d\n",(int)-result); -+ down_write(&current->mm->mmap_sem); - vm_munmap(textpos, text_len + data_len + extra + - MAX_SHARED_LIBS * sizeof(unsigned long)); -+ up_write(&current->mm->mmap_sem); - ret = result; - goto err; - } -diff --git a/fs/bio.c b/fs/bio.c -index c5eae72..599e3cf 100644 ---- a/fs/bio.c -+++ b/fs/bio.c -@@ -1106,7 +1106,7 @@ 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; -@@ -1240,7 +1240,7 @@ static 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; -@@ -1502,7 +1502,7 @@ static void bio_copy_kern_endio(struct bio *bio, int err) - const int read = bio_data_dir(bio) == READ; - struct bio_map_data *bmd = bio->bi_private; - int i; -- char *p = bmd->sgvecs[0].iov_base; -+ char *p = (char __force_kernel *)bmd->sgvecs[0].iov_base; - - bio_for_each_segment_all(bvec, bio, i) { - char *addr = page_address(bvec->bv_page); -diff --git a/fs/block_dev.c b/fs/block_dev.c -index 85f5c85..d6f0b1a 100644 ---- a/fs/block_dev.c -+++ b/fs/block_dev.c -@@ -658,7 +658,7 @@ 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 7fb054b..ad36c67 100644 ---- a/fs/btrfs/ctree.c -+++ b/fs/btrfs/ctree.c -@@ -1076,9 +1076,12 @@ 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/ioctl.c b/fs/btrfs/ioctl.c -index 0f81d67..0ad55fe 100644 ---- a/fs/btrfs/ioctl.c -+++ b/fs/btrfs/ioctl.c -@@ -3084,9 +3084,12 @@ static long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg) - for (i = 0; i < num_types; i++) { - struct btrfs_space_info *tmp; - -+ /* Don't copy in more than we allocated */ - if (!slot_count) - break; - -+ slot_count--; -+ - info = NULL; - rcu_read_lock(); - list_for_each_entry_rcu(tmp, &root->fs_info->space_info, -@@ -3108,10 +3111,7 @@ static long btrfs_ioctl_space_info(struct btrfs_root *root, void __user *arg) - memcpy(dest, &space, sizeof(space)); - dest++; - space_args.total_spaces++; -- slot_count--; - } -- if (!slot_count) -- break; - } - up_read(&info->groups_sem); - } -diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c -index f0857e0..e7023c5 100644 ---- a/fs/btrfs/super.c -+++ b/fs/btrfs/super.c -@@ -265,7 +265,7 @@ 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; - __btrfs_std_error(root->fs_info, function, line, errno, NULL); - } - /* -diff --git a/fs/buffer.c b/fs/buffer.c -index d2a4d1b..df798ca 100644 ---- a/fs/buffer.c -+++ b/fs/buffer.c -@@ -3367,7 +3367,7 @@ 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 622f469..e8d2d55 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 0a1467b..6a53245 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 */ -@@ -386,7 +386,7 @@ 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; -@@ -458,7 +458,7 @@ 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 4938251..7e01445 100644 ---- a/fs/cachefiles/internal.h -+++ b/fs/cachefiles/internal.h -@@ -59,7 +59,7 @@ 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) */ -@@ -171,19 +171,19 @@ 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 8c01c5fc..15f982e 100644 ---- a/fs/cachefiles/namei.c -+++ b/fs/cachefiles/namei.c -@@ -317,7 +317,7 @@ 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/cachefiles/rdwr.c b/fs/cachefiles/rdwr.c -index 317f9ee..3d24511 100644 ---- a/fs/cachefiles/rdwr.c -+++ b/fs/cachefiles/rdwr.c -@@ -966,7 +966,7 @@ int cachefiles_write_page(struct fscache_storage *op, struct page *page) - old_fs = get_fs(); - set_fs(KERNEL_DS); - ret = file->f_op->write( -- file, (const void __user *) data, len, &pos); -+ file, (const void __force_user *) data, len, &pos); - set_fs(old_fs); - kunmap(page); - file_end_write(file); -diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c -index f02d82b..2632cf86 100644 ---- a/fs/ceph/dir.c -+++ b/fs/ceph/dir.c -@@ -243,7 +243,7 @@ static int ceph_readdir(struct file *filp, void *dirent, filldir_t filldir) - struct ceph_fs_client *fsc = ceph_inode_to_client(inode); - struct ceph_mds_client *mdsc = fsc->mdsc; - unsigned frag = fpos_frag(filp->f_pos); -- int off = fpos_off(filp->f_pos); -+ unsigned int off = fpos_off(filp->f_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 7d377c9..3fb6559 100644 ---- a/fs/ceph/super.c -+++ b/fs/ceph/super.c -@@ -839,7 +839,7 @@ 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) -@@ -856,7 +856,7 @@ static int ceph_register_bdi(struct super_block *sb, - default_backing_dev_info.ra_pages; - - 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 d597483..747901b 100644 ---- a/fs/cifs/cifs_debug.c -+++ b/fs/cifs/cifs_debug.c -@@ -284,8 +284,8 @@ static ssize_t cifs_stats_proc_write(struct file *file, - - if (c == '1' || c == 'y' || c == 'Y' || c == '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) { -@@ -298,7 +298,7 @@ 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); - } -@@ -330,8 +330,8 @@ 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)); -@@ -360,7 +360,7 @@ 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 3752b9f..8db5569 100644 ---- a/fs/cifs/cifsfs.c -+++ b/fs/cifs/cifsfs.c -@@ -1035,7 +1035,7 @@ 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; - -@@ -1062,7 +1062,7 @@ 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); -@@ -1147,8 +1147,8 @@ 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 ea3a0b3..0194e39 100644 ---- a/fs/cifs/cifsglob.h -+++ b/fs/cifs/cifsglob.h -@@ -752,35 +752,35 @@ 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; -@@ -1081,7 +1081,7 @@ 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) -@@ -1446,8 +1446,8 @@ 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/link.c b/fs/cifs/link.c -index b83c3f5..6437caa 100644 ---- a/fs/cifs/link.c -+++ b/fs/cifs/link.c -@@ -616,7 +616,7 @@ symlink_exit: - - void cifs_put_link(struct dentry *direntry, struct nameidata *nd, void *cookie) - { -- char *p = nd_get_link(nd); -+ const char *p = nd_get_link(nd); - if (!IS_ERR(p)) - kfree(p); - } -diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c -index 1bec014..f329411 100644 ---- a/fs/cifs/misc.c -+++ b/fs/cifs/misc.c -@@ -169,7 +169,7 @@ 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 */ - } - -@@ -204,7 +204,7 @@ 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 3efdb9d..e845a5e 100644 ---- a/fs/cifs/smb1ops.c -+++ b/fs/cifs/smb1ops.c -@@ -591,27 +591,27 @@ 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 - } - -@@ -620,36 +620,36 @@ 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 f2e76f3..c44fac7 100644 ---- a/fs/cifs/smb2ops.c -+++ b/fs/cifs/smb2ops.c -@@ -274,8 +274,8 @@ 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 - } -@@ -284,66 +284,66 @@ 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])); - #define SMB2LOGOFF 0x0002 /* trivial request/resp */ - 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 2b95ce2..d079d75 100644 ---- a/fs/cifs/smb2pdu.c -+++ b/fs/cifs/smb2pdu.c -@@ -1760,8 +1760,7 @@ 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 1da168c..8bc7ff6 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 fc3b55d..7b568ae 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, ...) - { -@@ -488,7 +488,7 @@ compat_sys_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) -@@ -546,7 +546,7 @@ 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; -@@ -833,6 +833,7 @@ struct compat_old_linux_dirent { - - struct compat_readdir_callback { - struct compat_old_linux_dirent __user *dirent; -+ struct file * file; - int result; - }; - -@@ -850,6 +851,10 @@ static int compat_fillonedir(void *__buf, 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, -@@ -880,6 +885,7 @@ asmlinkage long compat_sys_old_readdir(unsigned int fd, - - buf.result = 0; - buf.dirent = dirent; -+ buf.file = f.file; - - error = vfs_readdir(f.file, compat_fillonedir, &buf); - if (buf.result) -@@ -899,6 +905,7 @@ struct compat_linux_dirent { - struct compat_getdents_callback { - struct compat_linux_dirent __user *current_dir; - struct compat_linux_dirent __user *previous; -+ struct file * file; - int count; - int error; - }; -@@ -920,6 +927,10 @@ static int compat_filldir(void *__buf, 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)) -@@ -965,6 +976,7 @@ asmlinkage long compat_sys_getdents(unsigned int fd, - buf.previous = NULL; - buf.count = count; - buf.error = 0; -+ buf.file = f.file; - - error = vfs_readdir(f.file, compat_filldir, &buf); - if (error >= 0) -@@ -985,6 +997,7 @@ asmlinkage long compat_sys_getdents(unsigned int fd, - struct compat_getdents_callback64 { - struct linux_dirent64 __user *current_dir; - struct linux_dirent64 __user *previous; -+ struct file * file; - int count; - int error; - }; -@@ -1001,6 +1014,10 @@ static int compat_filldir64(void * __buf, const char * name, int namlen, loff_t - 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) { -@@ -1050,13 +1067,14 @@ asmlinkage long compat_sys_getdents64(unsigned int fd, - buf.previous = NULL; - buf.count = count; - buf.error = 0; -+ buf.file = f.file; - - error = vfs_readdir(f.file, compat_filldir64, &buf); - if (error >= 0) - error = buf.error; - lastdirent = buf.previous; - if (lastdirent) { -- typeof(lastdirent->d_off) d_off = f.file->f_pos; -+ typeof(((struct linux_dirent64 *)0)->d_off) d_off = f.file->f_pos; - if (__put_user_unaligned(d_off, &lastdirent->d_off)) - error = -EFAULT; - else -diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c -index a81147e..20bf2b5 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 996cdc5..15e2f33 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; -@@ -703,8 +703,8 @@ 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, (u8 __user * __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); -@@ -797,7 +797,7 @@ 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); -@@ -1619,8 +1619,8 @@ asmlinkage long compat_sys_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 7aabc6a..34c1197 100644 ---- a/fs/configfs/dir.c -+++ b/fs/configfs/dir.c -@@ -1565,7 +1565,8 @@ static int configfs_readdir(struct file * filp, void * dirent, filldir_t filldir - } - 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; - -@@ -1575,7 +1576,12 @@ static int configfs_readdir(struct file * filp, void * dirent, filldir_t filldir - 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/coredump.c b/fs/coredump.c -index dafafba..10b3b27 100644 ---- a/fs/coredump.c -+++ b/fs/coredump.c -@@ -52,7 +52,7 @@ struct core_name { - char *corename; - int used, size; - }; --static atomic_t call_count = ATOMIC_INIT(1); -+static atomic_unchecked_t call_count = ATOMIC_INIT(1); - - /* The maximal length of core_pattern is also specified in sysctl.c */ - -@@ -60,7 +60,7 @@ static int expand_corename(struct core_name *cn) - { - char *old_corename = cn->corename; - -- cn->size = CORENAME_MAX_SIZE * atomic_inc_return(&call_count); -+ cn->size = CORENAME_MAX_SIZE * atomic_inc_return_unchecked(&call_count); - cn->corename = krealloc(old_corename, cn->size, GFP_KERNEL); - - if (!cn->corename) { -@@ -157,7 +157,7 @@ static int format_corename(struct core_name *cn, struct coredump_params *cprm) - int pid_in_pattern = 0; - int err = 0; - -- cn->size = CORENAME_MAX_SIZE * atomic_read(&call_count); -+ cn->size = CORENAME_MAX_SIZE * atomic_read_unchecked(&call_count); - cn->corename = kmalloc(cn->size, GFP_KERNEL); - cn->used = 0; - -@@ -435,8 +435,8 @@ 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); -@@ -445,11 +445,11 @@ 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); - } - -@@ -496,7 +496,8 @@ void do_coredump(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; - struct coredump_params cprm = { - .siginfo = siginfo, - .regs = signal_pt_regs(), -@@ -509,7 +510,10 @@ void do_coredump(siginfo_t *siginfo) - .mm_flags = mm->flags, - }; - -- audit_core_dumps(siginfo->si_signo); -+ audit_core_dumps(signr); -+ -+ if (signr == SIGSEGV || signr == SIGBUS || signr == SIGKILL || signr == SIGILL) -+ gr_handle_brute_attach(cprm.mm_flags); - - binfmt = mm->binfmt; - if (!binfmt || !binfmt->core_dump) -@@ -533,7 +537,7 @@ void do_coredump(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; - -@@ -576,7 +580,7 @@ void do_coredump(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); -@@ -608,6 +612,8 @@ void do_coredump(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; - -@@ -666,7 +672,7 @@ 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); - fail_corename: -@@ -687,7 +693,7 @@ int dump_write(struct file *file, const void *addr, int nr) - { - return !dump_interrupted() && - access_ok(VERIFY_READ, addr, nr) && -- file->f_op->write(file, addr, nr, &file->f_pos) == nr; -+ file->f_op->write(file, (const char __force_user *)addr, nr, &file->f_pos) == nr; - } - EXPORT_SYMBOL(dump_write); - -diff --git a/fs/dcache.c b/fs/dcache.c -index f09b908..04b9690 100644 ---- a/fs/dcache.c -+++ b/fs/dcache.c -@@ -3086,7 +3086,8 @@ 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 c7c83ff..bda9461 100644 ---- a/fs/debugfs/inode.c -+++ b/fs/debugfs/inode.c -@@ -415,7 +415,11 @@ EXPORT_SYMBOL_GPL(debugfs_create_file); - */ - struct dentry *debugfs_create_dir(const char *name, struct dentry *parent) - { -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+ return __create_file(name, S_IFDIR | S_IRWXU, -+#else - return __create_file(name, S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO, -+#endif - parent, NULL, NULL); - } - EXPORT_SYMBOL_GPL(debugfs_create_dir); -diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c -index 5eab400..810a3f5 100644 ---- a/fs/ecryptfs/inode.c -+++ b/fs/ecryptfs/inode.c -@@ -674,7 +674,7 @@ static int ecryptfs_readlink_lower(struct dentry *dentry, char **buf, - old_fs = get_fs(); - set_fs(get_ds()); - rc = lower_dentry->d_inode->i_op->readlink(lower_dentry, -- (char __user *)lower_buf, -+ (char __force_user *)lower_buf, - PATH_MAX); - set_fs(old_fs); - if (rc < 0) -@@ -706,7 +706,7 @@ out: - static void - ecryptfs_put_link(struct dentry *dentry, struct nameidata *nd, void *ptr) - { -- char *buf = nd_get_link(nd); -+ const char *buf = nd_get_link(nd); - if (!IS_ERR(buf)) { - /* Free the char* */ - kfree(buf); -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 1f44670..3c84660 100644 ---- a/fs/exec.c -+++ b/fs/exec.c -@@ -55,8 +55,20 @@ - #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> - -@@ -66,17 +78,32 @@ - - #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); - 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); - } - -@@ -85,7 +112,7 @@ 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); - } - -@@ -180,18 +207,10 @@ 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) { -@@ -207,6 +226,17 @@ 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: -@@ -266,6 +296,11 @@ 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_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); - -@@ -276,6 +311,12 @@ static int __bprm_mm_init(struct linux_binprm *bprm) - mm->stack_vm = mm->total_vm = 1; - 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 __force_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) - */ -@@ -672,10 +718,6 @@ 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; -@@ -687,8 +729,28 @@ 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 -@@ -707,13 +769,6 @@ 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; - -@@ -737,6 +792,27 @@ 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; - -@@ -772,6 +848,8 @@ struct file *open_exec(const char *name) - - fsnotify_open(file); - -+ trace_open_exec(name); -+ - err = deny_write_access(file); - if (err) - goto exit; -@@ -795,7 +873,7 @@ 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; - } -@@ -1251,7 +1329,7 @@ static int 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 { - res = -EAGAIN; -@@ -1451,6 +1529,31 @@ int search_binary_handler(struct linux_binprm *bprm) - - EXPORT_SYMBOL(search_binary_handler); - -+#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. - */ -@@ -1458,6 +1561,11 @@ static int do_execve_common(const char *filename, - struct user_arg_ptr argv, - struct user_arg_ptr envp) - { -+#ifdef CONFIG_GRKERNSEC -+ struct file *old_exec_file; -+ struct acl_subject_label *old_acl; -+ struct rlimit old_rlim[RLIM_NLIMITS]; -+#endif - struct linux_binprm *bprm; - struct file *file; - struct files_struct *displaced; -@@ -1465,6 +1573,8 @@ static int do_execve_common(const char *filename, - int retval; - const struct cred *cred = current_cred(); - -+ gr_learn_resource(current, RLIMIT_NPROC, atomic_read(&cred->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 -@@ -1505,12 +1615,22 @@ static int do_execve_common(const char *filename, - if (IS_ERR(file)) - goto out_unmark; - -+ if (gr_ptrace_readexec(file, bprm->unsafe)) { -+ retval = -EPERM; -+ goto out_file; -+ } -+ - sched_exec(); - - bprm->file = file; - bprm->filename = filename; - bprm->interp = filename; - -+ if (!gr_acl_handle_execve(file->f_path.dentry, file->f_path.mnt)) { -+ retval = -EACCES; -+ goto out_file; -+ } -+ - retval = bprm_mm_init(bprm); - if (retval) - goto out_file; -@@ -1527,24 +1647,70 @@ static int do_execve_common(const char *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 = search_binary_handler(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); -@@ -1553,6 +1719,14 @@ static int do_execve_common(const char *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); -@@ -1701,3 +1875,287 @@ asmlinkage long compat_sys_execve(const char __user * filename, - return error; - } - #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_ERR "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_ERR "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_ERR "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_ERR "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_ERR "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; -+#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) -+{ -+ -+#ifdef CONFIG_PAX_USERCOPY -+ const char *type; -+ -+ 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 pax_track_stack(void) -+{ -+ unsigned long sp = (unsigned long)&sp; -+ if (sp < current_thread_info()->lowest_stack && -+ sp > (unsigned long)task_stack_page(current)) -+ current_thread_info()->lowest_stack = sp; -+} -+EXPORT_SYMBOL(pax_track_stack); -+#endif -+ -+#ifdef CONFIG_PAX_SIZE_OVERFLOW -+void report_size_overflow(const char *file, unsigned int line, const char *func, const char *ssa_name) -+{ -+ printk(KERN_ERR "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/ext3/balloc.c b/fs/ext3/balloc.c -index 22548f5..41521d8 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/ext4/balloc.c b/fs/ext4/balloc.c -index 3742e4c..69a797f 100644 ---- a/fs/ext4/balloc.c -+++ b/fs/ext4/balloc.c -@@ -528,8 +528,8 @@ 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 5aae3d1..b5da7f8 100644 ---- a/fs/ext4/ext4.h -+++ b/fs/ext4/ext4.h -@@ -1252,19 +1252,19 @@ 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 59c6750..a549154 100644 ---- a/fs/ext4/mballoc.c -+++ b/fs/ext4/mballoc.c -@@ -1865,7 +1865,7 @@ 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; - } -@@ -2170,7 +2170,7 @@ 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; - } - } -@@ -2678,25 +2678,25 @@ 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); -@@ -3150,16 +3150,16 @@ 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) -@@ -3559,7 +3559,7 @@ 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); -@@ -3619,7 +3619,7 @@ 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; -@@ -3708,7 +3708,7 @@ 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; - } -@@ -3726,7 +3726,7 @@ 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 214461e..3614c89 100644 ---- a/fs/ext4/mmp.c -+++ b/fs/ext4/mmp.c -@@ -113,7 +113,7 @@ 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 49d3c01..9579efd 100644 ---- a/fs/ext4/resize.c -+++ b/fs/ext4/resize.c -@@ -79,12 +79,20 @@ static int verify_group_input(struct super_block *sb, - ext4_fsblk_t end = start + input->blocks_count; - ext4_group_t group = input->group; - ext4_fsblk_t itend = input->inode_table + sbi->s_itb_per_group; -- unsigned overhead = ext4_group_overhead_blocks(sb, group); -- ext4_fsblk_t metaend = start + overhead; -+ unsigned overhead; -+ ext4_fsblk_t metaend; - struct buffer_head *bh = NULL; - ext4_grpblk_t free_blocks_count, offset; - int err = -EINVAL; - -+ if (group != sbi->s_groups_count) { -+ ext4_warning(sb, "Cannot add at group %u (only %u groups)", -+ input->group, sbi->s_groups_count); -+ return -EINVAL; -+ } -+ -+ overhead = ext4_group_overhead_blocks(sb, group); -+ metaend = start + overhead; - input->free_blocks_count = free_blocks_count = - input->blocks_count - 2 - overhead - sbi->s_itb_per_group; - -@@ -96,10 +104,7 @@ static int verify_group_input(struct super_block *sb, - free_blocks_count, input->reserved_blocks); - - ext4_get_group_no_and_offset(sb, start, NULL, &offset); -- if (group != sbi->s_groups_count) -- ext4_warning(sb, "Cannot add at group %u (only %u groups)", -- input->group, sbi->s_groups_count); -- else if (offset != 0) -+ if (offset != 0) - ext4_warning(sb, "Last group not full"); - else if (input->reserved_blocks > input->blocks_count / 5) - ext4_warning(sb, "Reserved blocks too high (%u)", -diff --git a/fs/ext4/super.c b/fs/ext4/super.c -index 3f7c39e..227f24f 100644 ---- a/fs/ext4/super.c -+++ b/fs/ext4/super.c -@@ -1236,7 +1236,7 @@ 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@vger.kernel.org if you think we should keep it.\n"; - - #ifdef CONFIG_QUOTA -@@ -2372,7 +2372,7 @@ struct ext4_attr { - ssize_t (*store)(struct ext4_attr *, struct ext4_sb_info *, - const char *, size_t); - int offset; --}; -+} __do_const; - - static int parse_strtoull(const char *buf, - unsigned long long max, unsigned long long *value) -diff --git a/fs/fcntl.c b/fs/fcntl.c -index 6599222..e7bf0de 100644 ---- a/fs/fcntl.c -+++ b/fs/fcntl.c -@@ -107,6 +107,11 @@ int __f_setown(struct file *filp, struct pid *pid, enum pid_type type, - if (err) - return err; - -+ if (gr_handle_chroot_fowner(pid, type)) -+ return -ENOENT; -+ if (gr_check_protected_task_fowner(pid, type)) -+ return -EACCES; -+ - f_modown(filp, pid, type, force); - return 0; - } -diff --git a/fs/fhandle.c b/fs/fhandle.c -index 999ff5c..41f4109 100644 ---- a/fs/fhandle.c -+++ b/fs/fhandle.c -@@ -67,8 +67,7 @@ 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; -diff --git a/fs/file.c b/fs/file.c -index 4a78f98..9447397 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> -@@ -828,6 +829,7 @@ 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; - -@@ -854,6 +856,7 @@ 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; - -@@ -909,6 +912,7 @@ 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 92567d9..fcd8cbf 100644 ---- a/fs/filesystems.c -+++ b/fs/filesystems.c -@@ -273,7 +273,11 @@ 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 d8ac61d..79a36f0 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" - - /* -@@ -19,6 +20,7 @@ void set_fs_root(struct fs_struct *fs, const struct path *path) - 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) -@@ -67,6 +69,10 @@ 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); -@@ -99,7 +105,8 @@ 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 +119,7 @@ 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); -@@ -121,6 +128,9 @@ 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); -@@ -139,8 +149,9 @@ 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 +164,13 @@ 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, - .umask = 0022, -diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c -index e2cba1f..17a25bb 100644 ---- a/fs/fscache/cookie.c -+++ b/fs/fscache/cookie.c -@@ -68,11 +68,11 @@ struct fscache_cookie *__fscache_acquire_cookie( - parent ? (char *) parent->def->name : "<no-parent>", - def->name, netfs_data); - -- 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; - } -@@ -87,7 +87,7 @@ 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; - } -@@ -109,13 +109,13 @@ 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; - } - -@@ -126,13 +126,13 @@ struct fscache_cookie *__fscache_acquire_cookie( - if (fscache_acquire_non_index_cookie(cookie) < 0) { - 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; - } - } - -- fscache_stat(&fscache_n_acquires_ok); -+ fscache_stat_unchecked(&fscache_n_acquires_ok); - _leave(" = %p", cookie); - return cookie; - } -@@ -168,7 +168,7 @@ 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; - } -@@ -255,12 +255,12 @@ 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); - -@@ -376,7 +376,7 @@ 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 -@@ -434,10 +434,10 @@ 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; - } -@@ -471,12 +471,12 @@ void __fscache_relinquish_cookie(struct fscache_cookie *cookie, int retire) - struct fscache_object *object; - unsigned long event; - -- 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; - } -@@ -492,7 +492,7 @@ void __fscache_relinquish_cookie(struct fscache_cookie *cookie, int retire) - - /* wait for the cookie to finish being instantiated (or to fail) */ - if (test_bit(FSCACHE_COOKIE_CREATING, &cookie->flags)) { -- fscache_stat(&fscache_n_relinquishes_waitcrt); -+ fscache_stat_unchecked(&fscache_n_relinquishes_waitcrt); - wait_on_bit(&cookie->flags, FSCACHE_COOKIE_CREATING, - fscache_wait_bit, TASK_UNINTERRUPTIBLE); - } -diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h -index ee38fef..0a326d4 100644 ---- a/fs/fscache/internal.h -+++ b/fs/fscache/internal.h -@@ -148,101 +148,101 @@ 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; -@@ -267,6 +267,11 @@ 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); -@@ -279,6 +284,7 @@ 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 50d41c1..10ee117 100644 ---- a/fs/fscache/object.c -+++ b/fs/fscache/object.c -@@ -143,7 +143,7 @@ static void fscache_object_state_machine(struct fscache_object *object) - /* Invalidate an object on disk */ - case FSCACHE_OBJECT_INVALIDATING: - clear_bit(FSCACHE_OBJECT_EV_INVALIDATE, &object->events); -- fscache_stat(&fscache_n_invalidates_run); -+ fscache_stat_unchecked(&fscache_n_invalidates_run); - fscache_stat(&fscache_n_cop_invalidate_object); - fscache_invalidate_object(object); - fscache_stat_d(&fscache_n_cop_invalidate_object); -@@ -153,7 +153,7 @@ static void fscache_object_state_machine(struct fscache_object *object) - /* update the object metadata on disk */ - case FSCACHE_OBJECT_UPDATING: - clear_bit(FSCACHE_OBJECT_EV_UPDATE, &object->events); -- 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); -@@ -242,7 +242,7 @@ static void fscache_object_state_machine(struct fscache_object *object) - spin_lock(&object->lock); - object->state = FSCACHE_OBJECT_DEAD; - spin_unlock(&object->lock); -- fscache_stat(&fscache_n_object_dead); -+ fscache_stat_unchecked(&fscache_n_object_dead); - goto terminal_transit; - - /* handle the parent cache of this object being withdrawn from -@@ -257,7 +257,7 @@ static void fscache_object_state_machine(struct fscache_object *object) - spin_lock(&object->lock); - object->state = FSCACHE_OBJECT_DEAD; - spin_unlock(&object->lock); -- fscache_stat(&fscache_n_object_dead); -+ fscache_stat_unchecked(&fscache_n_object_dead); - goto terminal_transit; - - /* complain about the object being woken up once it is -@@ -495,7 +495,7 @@ static void fscache_lookup_object(struct fscache_object *object) - parent->cookie->def->name, 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); -@@ -506,7 +506,7 @@ static void fscache_lookup_object(struct fscache_object *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); - set_bit(FSCACHE_OBJECT_EV_REQUEUE, &object->events); - } - -@@ -529,7 +529,7 @@ void fscache_object_lookup_negative(struct fscache_object *object) - - spin_lock(&object->lock); - if (object->state == FSCACHE_OBJECT_LOOKING_UP) { -- fscache_stat(&fscache_n_object_lookups_negative); -+ fscache_stat_unchecked(&fscache_n_object_lookups_negative); - - /* transit here to allow write requests to begin stacking up - * and read requests to begin returning ENODATA */ -@@ -575,7 +575,7 @@ void fscache_obtained_object(struct fscache_object *object) - * result, in which case there may be data available */ - spin_lock(&object->lock); - if (object->state == FSCACHE_OBJECT_LOOKING_UP) { -- fscache_stat(&fscache_n_object_lookups_positive); -+ fscache_stat_unchecked(&fscache_n_object_lookups_positive); - - clear_bit(FSCACHE_COOKIE_NO_DATA_YET, &cookie->flags); - -@@ -589,7 +589,7 @@ void fscache_obtained_object(struct fscache_object *object) - set_bit(FSCACHE_OBJECT_EV_REQUEUE, &object->events); - } else { - ASSERTCMP(object->state, ==, FSCACHE_OBJECT_CREATING); -- fscache_stat(&fscache_n_object_created); -+ fscache_stat_unchecked(&fscache_n_object_created); - - object->state = FSCACHE_OBJECT_AVAILABLE; - spin_unlock(&object->lock); -@@ -634,7 +634,7 @@ static void fscache_object_available(struct fscache_object *object) - fscache_enqueue_dependents(object); - - fscache_hist(fscache_obj_instantiate_histogram, object->lookup_jif); -- fscache_stat(&fscache_n_object_avail); -+ fscache_stat_unchecked(&fscache_n_object_avail); - - _leave(""); - } -@@ -894,7 +894,7 @@ 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; - } - -@@ -903,17 +903,17 @@ 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: -diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c -index 762a9ec..2023284 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"); -@@ -73,7 +73,7 @@ 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); - } - - /* -@@ -105,11 +105,11 @@ 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); -@@ -125,7 +125,7 @@ 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 -@@ -215,11 +215,11 @@ 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); -@@ -231,12 +231,12 @@ 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 (object->state == FSCACHE_OBJECT_DYING || - object->state == FSCACHE_OBJECT_LC_DYING || - object->state == FSCACHE_OBJECT_WITHDRAWING) { -- 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)) { -@@ -315,7 +315,7 @@ 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); -@@ -347,7 +347,7 @@ 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); -@@ -419,7 +419,7 @@ 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); -@@ -442,7 +442,7 @@ 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); -@@ -495,7 +495,7 @@ 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 ff000e5..c44ec6d 100644 ---- a/fs/fscache/page.c -+++ b/fs/fscache/page.c -@@ -61,7 +61,7 @@ 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; - } -@@ -91,11 +91,11 @@ 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); -@@ -110,11 +110,11 @@ page_busy: - * sleeping on memory allocation, so we may need to impose a timeout - * too. */ - if (!(gfp & __GFP_WAIT)) { -- 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); - __fscache_wait_on_page_write(cookie, page); - gfp &= ~__GFP_WAIT; - goto try_again; -@@ -140,7 +140,7 @@ 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); -@@ -161,7 +161,7 @@ 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); -@@ -187,11 +187,11 @@ 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; - } -@@ -209,7 +209,7 @@ int __fscache_attr_changed(struct fscache_cookie *cookie) - if (fscache_submit_exclusive_op(object, op) < 0) - goto nobufs; - 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; -@@ -217,7 +217,7 @@ int __fscache_attr_changed(struct fscache_cookie *cookie) - nobufs: - spin_unlock(&cookie->lock); - kfree(op); -- fscache_stat(&fscache_n_attr_changed_nobufs); -+ fscache_stat_unchecked(&fscache_n_attr_changed_nobufs); - _leave(" = %d", -ENOBUFS); - return -ENOBUFS; - } -@@ -255,7 +255,7 @@ 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; - } - -@@ -283,13 +283,13 @@ static 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, - fscache_wait_bit_interruptible, - TASK_INTERRUPTIBLE) != 0) { -- fscache_stat(&fscache_n_retrievals_intr); -+ fscache_stat_unchecked(&fscache_n_retrievals_intr); - _leave(" = -ERESTARTSYS"); - return -ERESTARTSYS; - } -@@ -318,8 +318,8 @@ static void fscache_do_cancel_retrieval(struct fscache_operation *_op) - */ - static int fscache_wait_for_retrieval_activation(struct fscache_object *object, - struct fscache_retrieval *op, -- atomic_t *stat_op_waits, -- atomic_t *stat_object_dead) -+ atomic_unchecked_t *stat_op_waits, -+ atomic_unchecked_t *stat_object_dead) - { - int ret; - -@@ -327,7 +327,7 @@ static int fscache_wait_for_retrieval_activation(struct fscache_object *object, - goto check_if_dead; - - _debug(">>> WT"); -- fscache_stat(stat_op_waits); -+ fscache_stat_unchecked(stat_op_waits); - if (wait_on_bit(&op->op.flags, FSCACHE_OP_WAITING, - fscache_wait_bit_interruptible, - TASK_INTERRUPTIBLE) != 0) { -@@ -344,14 +344,14 @@ static int fscache_wait_for_retrieval_activation(struct fscache_object *object, - - check_if_dead: - if (op->op.state == FSCACHE_OP_ST_CANCELLED) { -- fscache_stat(stat_object_dead); -+ fscache_stat_unchecked(stat_object_dead); - _leave(" = -ENOBUFS [cancelled]"); - return -ENOBUFS; - } - if (unlikely(fscache_object_is_dead(object))) { - pr_err("%s() = -ENOBUFS [obj dead %d]\n", __func__, op->op.state); - fscache_cancel_op(&op->op, fscache_do_cancel_retrieval); -- fscache_stat(stat_object_dead); -+ fscache_stat_unchecked(stat_object_dead); - return -ENOBUFS; - } - return 0; -@@ -378,7 +378,7 @@ 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; -@@ -417,7 +417,7 @@ 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 */ -@@ -447,15 +447,15 @@ 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); -@@ -467,7 +467,7 @@ nobufs_unlock: - spin_unlock(&cookie->lock); - kfree(op); - nobufs: -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -505,7 +505,7 @@ 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; -@@ -541,7 +541,7 @@ 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 */ -@@ -571,15 +571,15 @@ 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); -@@ -591,7 +591,7 @@ nobufs_unlock: - spin_unlock(&cookie->lock); - kfree(op); - nobufs: -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -615,7 +615,7 @@ 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; -@@ -647,7 +647,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie, - goto nobufs_unlock; - spin_unlock(&cookie->lock); - -- fscache_stat(&fscache_n_alloc_ops); -+ fscache_stat_unchecked(&fscache_n_alloc_ops); - - ret = fscache_wait_for_retrieval_activation( - object, op, -@@ -663,11 +663,11 @@ 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); -@@ -677,7 +677,7 @@ nobufs_unlock: - spin_unlock(&cookie->lock); - kfree(op); - nobufs: -- fscache_stat(&fscache_n_allocs_nobufs); -+ fscache_stat_unchecked(&fscache_n_allocs_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -736,7 +736,7 @@ 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; -@@ -747,7 +747,7 @@ 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; - } - -@@ -759,7 +759,7 @@ 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); -@@ -860,7 +860,7 @@ 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]"); -@@ -916,7 +916,7 @@ 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; - - if (fscache_submit_op(object, &op->op) < 0) -@@ -924,8 +924,8 @@ 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); -@@ -933,14 +933,14 @@ 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; - -@@ -959,14 +959,14 @@ nobufs: - spin_unlock(&cookie->lock); - radix_tree_preload_end(); - kfree(op); -- 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; - } -@@ -984,7 +984,7 @@ 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)) -@@ -1035,7 +1035,7 @@ 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 aef34b1..59bfd7b 100644 ---- a/fs/fuse/cuse.c -+++ b/fs/fuse/cuse.c -@@ -600,10 +600,12 @@ 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 1d55f94..088da65 100644 ---- a/fs/fuse/dev.c -+++ b/fs/fuse/dev.c -@@ -1339,7 +1339,7 @@ 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; -@@ -1364,7 +1364,7 @@ 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 5b12746..b481b03 100644 ---- a/fs/fuse/dir.c -+++ b/fs/fuse/dir.c -@@ -1437,7 +1437,7 @@ 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/inode.c b/fs/gfs2/inode.c -index 62b484e..0f9a140 100644 ---- a/fs/gfs2/inode.c -+++ b/fs/gfs2/inode.c -@@ -1441,7 +1441,7 @@ out: - - static void gfs2_put_link(struct dentry *dentry, struct nameidata *nd, void *p) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - if (!IS_ERR(s)) - kfree(s); - } -diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c -index a3f868a..bb308ae 100644 ---- a/fs/hugetlbfs/inode.c -+++ b/fs/hugetlbfs/inode.c -@@ -152,6 +152,7 @@ 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)) -@@ -165,17 +166,26 @@ 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; -@@ -898,7 +908,7 @@ 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 00d5fc3..98ce7d7 100644 ---- a/fs/inode.c -+++ b/fs/inode.c -@@ -878,8 +878,8 @@ unsigned int get_next_ino(void) - - #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; - } -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 a6597d6..41b30ec 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 788e0a9..8433098 100644 ---- a/fs/jfs/super.c -+++ b/fs/jfs/super.c -@@ -878,7 +878,7 @@ 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/libfs.c b/fs/libfs.c -index 916da8c..1588998 100644 ---- a/fs/libfs.c -+++ b/fs/libfs.c -@@ -165,6 +165,9 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir) - - for (p=q->next; p != &dentry->d_subdirs; p=p->next) { - struct dentry *next; -+ char d_name[sizeof(next->d_iname)]; -+ const unsigned char *name; -+ - next = list_entry(p, struct dentry, d_u.d_child); - spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED); - if (!simple_positive(next)) { -@@ -174,7 +177,12 @@ int dcache_readdir(struct file * filp, void * dirent, filldir_t filldir) - - spin_unlock(&next->d_lock); - spin_unlock(&dentry->d_lock); -- if (filldir(dirent, next->d_name.name, -+ name = next->d_name.name; -+ if (name == next->d_iname) { -+ memcpy(d_name, name, next->d_name.len); -+ name = d_name; -+ } -+ if (filldir(dirent, name, - next->d_name.len, filp->f_pos, - next->d_inode->i_ino, - dt_type(next->d_inode)) < 0) -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/lockd/svc.c b/fs/lockd/svc.c -index a2aa97d..10d6c41 100644 ---- a/fs/lockd/svc.c -+++ b/fs/lockd/svc.c -@@ -305,7 +305,7 @@ static int lockd_start_svc(struct svc_serv *serv) - svc_sock_update_bufs(serv); - serv->sv_maxconn = nlm_max_connections; - -- nlmsvc_task = kthread_run(lockd, nlmsvc_rqst, serv->sv_name); -+ nlmsvc_task = kthread_run(lockd, nlmsvc_rqst, "%s", serv->sv_name); - if (IS_ERR(nlmsvc_task)) { - error = PTR_ERR(nlmsvc_task); - printk(KERN_WARNING -diff --git a/fs/locks.c b/fs/locks.c -index cb424a4..850e4dd 100644 ---- a/fs/locks.c -+++ b/fs/locks.c -@@ -2064,16 +2064,16 @@ void locks_remove_flock(struct file *filp) - return; - - if (filp->f_op && filp->f_op->flock) { -- struct file_lock fl = { -+ struct file_lock flock = { - .fl_pid = current->tgid, - .fl_file = filp, - .fl_flags = FL_FLOCK, - .fl_type = F_UNLCK, - .fl_end = OFFSET_MAX, - }; -- filp->f_op->flock(filp, F_SETLKW, &fl); -- if (fl.fl_ops && fl.fl_ops->fl_release_private) -- fl.fl_ops->fl_release_private(&fl); -+ filp->f_op->flock(filp, F_SETLKW, &flock); -+ if (flock.fl_ops && flock.fl_ops->fl_release_private) -+ flock.fl_ops->fl_release_private(&flock); - } - - lock_flocks(); -diff --git a/fs/namei.c b/fs/namei.c -index 9ed9361..2b72db1 100644 ---- a/fs/namei.c -+++ b/fs/namei.c -@@ -319,16 +319,32 @@ 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 (inode_capable(inode, CAP_DAC_OVERRIDE)) -- return 0; - if (!(mask & MAY_WRITE)) -- if (inode_capable(inode, CAP_DAC_READ_SEARCH)) -+ if (inode_capable_nolog(inode, CAP_DAC_OVERRIDE) || -+ inode_capable(inode, CAP_DAC_READ_SEARCH)) - return 0; -+ if (inode_capable(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 (inode_capable_nolog(inode, CAP_DAC_OVERRIDE) || -+ inode_capable(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. -@@ -337,14 +353,6 @@ int generic_permission(struct inode *inode, int mask) - if (inode_capable(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 (inode_capable(inode, CAP_DAC_READ_SEARCH)) -- return 0; -- - return -EACCES; - } - -@@ -820,7 +828,7 @@ 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); - -@@ -841,6 +849,12 @@ follow_link(struct path *link, struct nameidata *nd, void **p) - if (error) - goto out_put_nd_path; - -+ if (gr_handle_follow_link(dentry->d_parent->d_inode, -+ dentry->d_inode, 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); -@@ -1588,6 +1602,8 @@ 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); - -@@ -1686,7 +1702,7 @@ EXPORT_SYMBOL(full_name_hash); - static inline unsigned long hash_name(const char *name, unsigned int *hashp) - { - 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); -@@ -1968,6 +1984,8 @@ static int path_lookupat(int dfd, const char *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); - } - } -@@ -1975,6 +1993,13 @@ static int path_lookupat(int dfd, const char *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 (!can_lookup(nd->inode)) { - path_put(&nd->path); -@@ -2002,8 +2027,15 @@ static int filename_lookup(int dfd, struct filename *name, - retval = path_lookupat(dfd, name->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; - } - -@@ -2381,6 +2413,13 @@ 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; - } - -@@ -2602,7 +2641,7 @@ 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) - { -@@ -2637,6 +2676,17 @@ 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(); - /* -@@ -2658,6 +2708,8 @@ 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; -@@ -2672,7 +2724,7 @@ 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) - { -@@ -2701,16 +2753,32 @@ static int do_last(struct nameidata *nd, struct path *path, - error = complete_walk(nd); - if (error) - return error; -+ if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) { -+ error = -ENOENT; -+ goto out; -+ } - audit_inode(name, nd->path.dentry, 0); - if (open_flag & O_CREAT) { - error = -EISDIR; - goto out; - } -+ if (link && gr_handle_symlink_owner(link, nd->inode)) { -+ error = -EACCES; -+ goto out; -+ } - goto finish_open; - case LAST_BIND: - error = complete_walk(nd); - 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, 0); - goto finish_open; - } -@@ -2759,7 +2827,7 @@ 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) { -@@ -2783,11 +2851,28 @@ 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 (path->dentry->d_inode) -+ if (path->dentry->d_inode) { -+ /* 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 -@@ -2828,6 +2913,11 @@ 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; - } - -@@ -2837,7 +2927,6 @@ finish_lookup: - save_parent.dentry = nd->path.dentry; - save_parent.mnt = mntget(path->mnt); - nd->path.dentry = path->dentry; -- - } - nd->inode = inode; - /* Why this, you ask? _Now_ we might have grown LOOKUP_JUMPED... */ -@@ -2846,6 +2935,16 @@ finish_lookup: - 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; -+ } -+ - error = -EISDIR; - if ((open_flag & O_CREAT) && S_ISDIR(nd->inode->i_mode)) - goto out; -@@ -2944,7 +3043,7 @@ 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; -@@ -2962,7 +3061,7 @@ 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: -@@ -3062,8 +3161,12 @@ struct dentry *kern_path_create(int dfd, const char *pathname, - goto unlock; - - error = -EEXIST; -- if (dentry->d_inode) -+ if (dentry->d_inode) { -+ 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 - -@@ -3115,6 +3218,20 @@ 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); -@@ -3177,6 +3294,17 @@ 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; -@@ -3193,6 +3321,8 @@ retry: - break; - } - out: -+ if (!error) -+ gr_handle_create(dentry, path.mnt); - done_path_create(&path, dentry); - if (retry_estale(error, lookup_flags)) { - lookup_flags |= LOOKUP_REVAL; -@@ -3245,9 +3375,16 @@ 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; -@@ -3328,6 +3465,8 @@ static long do_rmdir(int dfd, const char __user *pathname) - struct filename *name; - struct dentry *dentry; - struct nameidata nd; -+ ino_t saved_ino = 0; -+ dev_t saved_dev = 0; - unsigned int lookup_flags = 0; - retry: - name = user_path_parent(dfd, pathname, &nd, lookup_flags); -@@ -3360,10 +3499,21 @@ retry: - error = -ENOENT; - goto exit3; - } -+ -+ saved_ino = dentry->d_inode->i_ino; -+ 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: -@@ -3429,6 +3579,8 @@ static long do_unlinkat(int dfd, const char __user *pathname) - struct dentry *dentry; - struct nameidata nd; - struct inode *inode = NULL; -+ ino_t saved_ino = 0; -+ dev_t saved_dev = 0; - unsigned int lookup_flags = 0; - retry: - name = user_path_parent(dfd, pathname, &nd, lookup_flags); -@@ -3455,10 +3607,22 @@ retry: - if (!inode) - goto slashes; - ihold(inode); -+ -+ if (inode->i_nlink <= 1) { -+ saved_ino = inode->i_ino; -+ 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); -+ if (!error && (saved_ino || saved_dev)) -+ gr_handle_delete(saved_ino, saved_dev); - exit2: - dput(dentry); - } -@@ -3536,9 +3700,17 @@ 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; -@@ -3612,6 +3784,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname, - { - struct dentry *new_dentry; - struct path old_path, new_path; -+ struct filename *to = NULL; - int how = 0; - int error; - -@@ -3635,7 +3808,7 @@ 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)) -@@ -3647,11 +3820,28 @@ retry: - error = may_linkat(&old_path); - if (unlikely(error)) - goto out_dput; -+ -+ if (gr_handle_hardlink(old_path.dentry, old_path.mnt, -+ old_path.dentry->d_inode, -+ old_path.dentry->d_inode->i_mode, 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); -+ if (!error) -+ gr_handle_create(new_dentry, new_path.mnt); - out_dput: -+ putname(to); - done_path_create(&new_path, new_dentry); - if (retry_estale(error, how)) { - how |= LOOKUP_REVAL; -@@ -3897,12 +4087,21 @@ retry: - if (new_dentry == trap) - goto exit5; - -+ error = gr_acl_handle_rename(new_dentry, new_dir, newnd.path.mnt, -+ old_dentry, old_dir->d_inode, oldnd.path.mnt, -+ to); -+ if (error) -+ goto exit5; -+ - error = security_path_rename(&oldnd.path, old_dentry, - &newnd.path, new_dentry); - if (error) - goto exit5; - error = vfs_rename(old_dir->d_inode, old_dentry, - new_dir->d_inode, new_dentry); -+ if (!error) -+ gr_handle_rename(old_dir->d_inode, new_dir->d_inode, old_dentry, -+ new_dentry, oldnd.path.mnt, new_dentry->d_inode ? 1 : 0); - exit5: - dput(new_dentry); - exit4: -@@ -3934,6 +4133,8 @@ SYSCALL_DEFINE2(rename, const char __user *, oldname, const char __user *, newna - - int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const char *link) - { -+ char tmpbuf[64]; -+ const char *newlink; - int len; - - len = PTR_ERR(link); -@@ -3943,7 +4144,14 @@ int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const c - 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 a45ba4f..e7dc489 100644 ---- a/fs/namespace.c -+++ b/fs/namespace.c -@@ -1265,6 +1265,9 @@ 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; - } - -@@ -1283,6 +1286,9 @@ static int do_umount(struct mount *mnt, int flags) - } - br_write_unlock(&vfsmount_lock); - namespace_unlock(); -+ -+ gr_log_unmount(mnt->mnt_devname, retval); -+ - return retval; - } - -@@ -1302,7 +1308,7 @@ 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; -@@ -1342,7 +1348,7 @@ 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); - } -@@ -2313,6 +2319,16 @@ long do_mount(const char *dev_name, const char *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); -@@ -2327,6 +2343,9 @@ long do_mount(const char *dev_name, const char *dir_name, - dev_name, data_page); - dput_out: - path_put(&path); -+ -+ gr_log_mount(dev_name, dir_name, retval); -+ - return retval; - } - -@@ -2500,8 +2519,8 @@ 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; -@@ -2614,6 +2633,11 @@ 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); -@@ -2864,7 +2888,7 @@ static int mntns_install(struct nsproxy *nsproxy, void *ns) - !nsown_capable(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.c b/fs/nfs/callback.c -index cff089a..4c3d57a 100644 ---- a/fs/nfs/callback.c -+++ b/fs/nfs/callback.c -@@ -211,7 +211,6 @@ static int nfs_callback_start_svc(int minorversion, struct rpc_xprt *xprt, - struct svc_rqst *rqstp; - int (*callback_svc)(void *vrqstp); - struct nfs_callback_data *cb_info = &nfs_callback_info[minorversion]; -- char svc_name[12]; - int ret; - - nfs_callback_bc_serv(minorversion, xprt, serv); -@@ -235,10 +234,9 @@ static int nfs_callback_start_svc(int minorversion, struct rpc_xprt *xprt, - - svc_sock_update_bufs(serv); - -- sprintf(svc_name, "nfsv4.%u-svc", minorversion); - cb_info->serv = serv; - cb_info->rqst = rqstp; -- cb_info->task = kthread_run(callback_svc, cb_info->rqst, svc_name); -+ cb_info->task = kthread_run(callback_svc, cb_info->rqst, "nfsv4.%u-svc", minorversion); - if (IS_ERR(cb_info->task)) { - ret = PTR_ERR(cb_info->task); - svc_exit_thread(cb_info->rqst); -diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c -index a35582c..ebbdcd5 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 c1c7a9d..7afa0b8 100644 ---- a/fs/nfs/inode.c -+++ b/fs/nfs/inode.c -@@ -1043,16 +1043,16 @@ static int nfs_size_need_update(const struct inode *inode, const struct nfs_fatt - return nfs_size_to_loff_t(fattr->size) > i_size_read(inode); - } - --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); - } - - void nfs_fattr_init(struct nfs_fattr *fattr) -diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c -index 2c37442..9b9538b 100644 ---- a/fs/nfs/nfs4state.c -+++ b/fs/nfs/nfs4state.c -@@ -1193,7 +1193,7 @@ void nfs4_schedule_state_manager(struct nfs_client *clp) - snprintf(buf, sizeof(buf), "%s-manager", - rpc_peeraddr2str(clp->cl_rpcclient, RPC_DISPLAY_ADDR)); - rcu_read_unlock(); -- task = kthread_run(nfs4_run_state_manager, clp, buf); -+ task = kthread_run(nfs4_run_state_manager, clp, "%s", buf); - if (IS_ERR(task)) { - printk(KERN_ERR "%s: kthread_run: %ld\n", - __func__, PTR_ERR(task)); -diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c -index 27d74a2..c4c2a73 100644 ---- a/fs/nfsd/nfs4proc.c -+++ b/fs/nfsd/nfs4proc.c -@@ -1126,7 +1126,7 @@ 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 582321a..0224663 100644 ---- a/fs/nfsd/nfs4xdr.c -+++ b/fs/nfsd/nfs4xdr.c -@@ -1458,7 +1458,7 @@ 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, -@@ -1498,7 +1498,7 @@ static nfsd4_dec nfsd4_dec_ops[] = { - [OP_RELEASE_LOCKOWNER] = (nfsd4_dec)nfsd4_decode_release_lockowner, - }; - --static nfsd4_dec nfsd41_dec_ops[] = { -+static const nfsd4_dec nfsd41_dec_ops[] = { - [OP_ACCESS] = (nfsd4_dec)nfsd4_decode_access, - [OP_CLOSE] = (nfsd4_dec)nfsd4_decode_close, - [OP_COMMIT] = (nfsd4_dec)nfsd4_decode_commit, -@@ -1560,7 +1560,7 @@ static nfsd4_dec nfsd41_dec_ops[] = { - }; - - struct nfsd4_minorversion_ops { -- nfsd4_dec *decoders; -+ const nfsd4_dec *decoders; - int nops; - }; - -diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c -index e76244e..9fe8f2f1 100644 ---- a/fs/nfsd/nfscache.c -+++ b/fs/nfsd/nfscache.c -@@ -526,14 +526,17 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp) - { - struct svc_cacherep *rp = rqstp->rq_cacherep; - struct kvec *resv = &rqstp->rq_res.head[0], *cachv; -- int len; -+ long len; - size_t bufsize = 0; - - if (!rp) - return; - -- 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)) { -diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c -index baf149a..76b86ad 100644 ---- a/fs/nfsd/vfs.c -+++ b/fs/nfsd/vfs.c -@@ -940,7 +940,7 @@ nfsd_vfs_read(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, - } else { - 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); - } - -@@ -1027,7 +1027,7 @@ 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; -@@ -1573,7 +1573,7 @@ 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 fea6bd5..8ee9d81 100644 ---- a/fs/nls/nls_base.c -+++ b/fs/nls/nls_base.c -@@ -234,20 +234,22 @@ EXPORT_SYMBOL(utf16s_to_utf8s); - - int register_nls(struct nls_table * nls) - { -- struct nls_table ** tmp = &tables; -+ struct nls_table *tmp = tables; - - if (nls->next) - return -EBUSY; - - 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; -@@ -255,12 +257,14 @@ int register_nls(struct nls_table * 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; - } -diff --git a/fs/nls/nls_euc-jp.c b/fs/nls/nls_euc-jp.c -index 7424929..35f6be5 100644 ---- a/fs/nls/nls_euc-jp.c -+++ b/fs/nls/nls_euc-jp.c -@@ -561,8 +561,10 @@ 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 e7bc1d7..06bd4bb 100644 ---- a/fs/nls/nls_koi8-ru.c -+++ b/fs/nls/nls_koi8-ru.c -@@ -63,8 +63,10 @@ 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 77cc85d..a1e6299 100644 ---- a/fs/notify/fanotify/fanotify_user.c -+++ b/fs/notify/fanotify/fanotify_user.c -@@ -253,8 +253,8 @@ 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; - - ret = prepare_for_access_response(group, event, fd); -diff --git a/fs/notify/notification.c b/fs/notify/notification.c -index 7b51b05..5ea5ef6 100644 ---- a/fs/notify/notification.c -+++ b/fs/notify/notification.c -@@ -57,7 +57,7 @@ static struct kmem_cache *fsnotify_event_holder_cachep; - * get set to 0 so it will never get 'freed' - */ - static struct fsnotify_event *q_overflow_event; --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. -@@ -65,7 +65,7 @@ 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 aa411c3..c260a84 100644 ---- a/fs/ntfs/dir.c -+++ b/fs/ntfs/dir.c -@@ -1329,7 +1329,7 @@ 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/file.c b/fs/ntfs/file.c -index c5670b8..2b43d9b 100644 ---- a/fs/ntfs/file.c -+++ b/fs/ntfs/file.c -@@ -1282,7 +1282,7 @@ static inline size_t ntfs_copy_from_user(struct page **pages, - char *addr; - size_t total = 0; - unsigned len; -- int left; -+ unsigned left; - - do { - len = PAGE_CACHE_SIZE - ofs; -@@ -2241,6 +2241,6 @@ const struct inode_operations ntfs_file_inode_ops = { - #endif /* NTFS_RW */ - }; - --const struct file_operations ntfs_empty_file_ops = {}; -+const struct file_operations ntfs_empty_file_ops __read_only; - --const struct inode_operations ntfs_empty_inode_ops = {}; -+const struct inode_operations ntfs_empty_inode_ops __read_only; -diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c -index 20dfec7..e238cb7 100644 ---- a/fs/ocfs2/aops.c -+++ b/fs/ocfs2/aops.c -@@ -1756,7 +1756,7 @@ try_again: - goto out; - } else if (ret == 1) { - clusters_need = wc->w_clen; -- ret = ocfs2_refcount_cow(inode, filp, di_bh, -+ ret = ocfs2_refcount_cow(inode, di_bh, - wc->w_cpos, wc->w_clen, UINT_MAX); - if (ret) { - mlog_errno(ret); -diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c -index ff54014..ff125fd 100644 ---- a/fs/ocfs2/file.c -+++ b/fs/ocfs2/file.c -@@ -370,7 +370,7 @@ static int ocfs2_cow_file_pos(struct inode *inode, - if (!(ext_flags & OCFS2_EXT_REFCOUNTED)) - goto out; - -- return ocfs2_refcount_cow(inode, NULL, fe_bh, cpos, 1, cpos+1); -+ return ocfs2_refcount_cow(inode, fe_bh, cpos, 1, cpos+1); - - out: - return status; -@@ -899,7 +899,7 @@ static int ocfs2_zero_extend_get_range(struct inode *inode, - zero_clusters = last_cpos - zero_cpos; - - if (needs_cow) { -- rc = ocfs2_refcount_cow(inode, NULL, di_bh, zero_cpos, -+ rc = ocfs2_refcount_cow(inode, di_bh, zero_cpos, - zero_clusters, UINT_MAX); - if (rc) { - mlog_errno(rc); -@@ -2078,7 +2078,7 @@ static int ocfs2_prepare_inode_for_refcount(struct inode *inode, - - *meta_level = 1; - -- ret = ocfs2_refcount_cow(inode, file, di_bh, cpos, clusters, UINT_MAX); -+ ret = ocfs2_refcount_cow(inode, di_bh, cpos, clusters, UINT_MAX); - if (ret) - mlog_errno(ret); - out: -diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c -index aebeacd..0dcdd26 100644 ---- a/fs/ocfs2/localalloc.c -+++ b/fs/ocfs2/localalloc.c -@@ -1278,7 +1278,7 @@ 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/move_extents.c b/fs/ocfs2/move_extents.c -index f1fc172..452068b 100644 ---- a/fs/ocfs2/move_extents.c -+++ b/fs/ocfs2/move_extents.c -@@ -69,7 +69,7 @@ static int __ocfs2_move_extent(handle_t *handle, - u64 ino = ocfs2_metadata_cache_owner(context->et.et_ci); - u64 old_blkno = ocfs2_clusters_to_blocks(inode->i_sb, p_cpos); - -- ret = ocfs2_duplicate_clusters_by_page(handle, context->file, cpos, -+ ret = ocfs2_duplicate_clusters_by_page(handle, inode, cpos, - p_cpos, new_p_cpos, len); - if (ret) { - mlog_errno(ret); -diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h -index d355e6e..578d905 100644 ---- a/fs/ocfs2/ocfs2.h -+++ b/fs/ocfs2/ocfs2.h -@@ -235,11 +235,11 @@ 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/refcounttree.c b/fs/ocfs2/refcounttree.c -index 998b17e..aefe414 100644 ---- a/fs/ocfs2/refcounttree.c -+++ b/fs/ocfs2/refcounttree.c -@@ -49,7 +49,6 @@ - - struct ocfs2_cow_context { - struct inode *inode; -- struct file *file; - u32 cow_start; - u32 cow_len; - struct ocfs2_extent_tree data_et; -@@ -66,7 +65,7 @@ struct ocfs2_cow_context { - u32 *num_clusters, - unsigned int *extent_flags); - int (*cow_duplicate_clusters)(handle_t *handle, -- struct file *file, -+ struct inode *inode, - u32 cpos, u32 old_cluster, - u32 new_cluster, u32 new_len); - }; -@@ -2922,14 +2921,12 @@ static int ocfs2_clear_cow_buffer(handle_t *handle, struct buffer_head *bh) - } - - int ocfs2_duplicate_clusters_by_page(handle_t *handle, -- struct file *file, -+ struct inode *inode, - u32 cpos, u32 old_cluster, - u32 new_cluster, u32 new_len) - { - int ret = 0, partial; -- struct inode *inode = file_inode(file); -- struct ocfs2_caching_info *ci = INODE_CACHE(inode); -- struct super_block *sb = ocfs2_metadata_cache_get_super(ci); -+ struct super_block *sb = inode->i_sb; - u64 new_block = ocfs2_clusters_to_blocks(sb, new_cluster); - struct page *page; - pgoff_t page_index; -@@ -2973,13 +2970,6 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle, - if (PAGE_CACHE_SIZE <= OCFS2_SB(sb)->s_clustersize) - BUG_ON(PageDirty(page)); - -- if (PageReadahead(page)) { -- page_cache_async_readahead(mapping, -- &file->f_ra, file, -- page, page_index, -- readahead_pages); -- } -- - if (!PageUptodate(page)) { - ret = block_read_full_page(page, ocfs2_get_block); - if (ret) { -@@ -2999,7 +2989,8 @@ int ocfs2_duplicate_clusters_by_page(handle_t *handle, - } - } - -- ocfs2_map_and_dirty_page(inode, handle, from, to, -+ ocfs2_map_and_dirty_page(inode, -+ handle, from, to, - page, 0, &new_block); - mark_page_accessed(page); - unlock: -@@ -3015,12 +3006,11 @@ unlock: - } - - int ocfs2_duplicate_clusters_by_jbd(handle_t *handle, -- struct file *file, -+ struct inode *inode, - u32 cpos, u32 old_cluster, - u32 new_cluster, u32 new_len) - { - int ret = 0; -- struct inode *inode = file_inode(file); - struct super_block *sb = inode->i_sb; - struct ocfs2_caching_info *ci = INODE_CACHE(inode); - int i, blocks = ocfs2_clusters_to_blocks(sb, new_len); -@@ -3145,7 +3135,7 @@ static int ocfs2_replace_clusters(handle_t *handle, - - /*If the old clusters is unwritten, no need to duplicate. */ - if (!(ext_flags & OCFS2_EXT_UNWRITTEN)) { -- ret = context->cow_duplicate_clusters(handle, context->file, -+ ret = context->cow_duplicate_clusters(handle, context->inode, - cpos, old, new, len); - if (ret) { - mlog_errno(ret); -@@ -3423,35 +3413,12 @@ static int ocfs2_replace_cow(struct ocfs2_cow_context *context) - return ret; - } - --static void ocfs2_readahead_for_cow(struct inode *inode, -- struct file *file, -- u32 start, u32 len) --{ -- struct address_space *mapping; -- pgoff_t index; -- unsigned long num_pages; -- int cs_bits = OCFS2_SB(inode->i_sb)->s_clustersize_bits; -- -- if (!file) -- return; -- -- mapping = file->f_mapping; -- num_pages = (len << cs_bits) >> PAGE_CACHE_SHIFT; -- if (!num_pages) -- num_pages = 1; -- -- index = ((loff_t)start << cs_bits) >> PAGE_CACHE_SHIFT; -- page_cache_sync_readahead(mapping, &file->f_ra, file, -- index, num_pages); --} -- - /* - * Starting at cpos, try to CoW write_len clusters. Don't CoW - * past max_cpos. This will stop when it runs into a hole or an - * unrefcounted extent. - */ - static int ocfs2_refcount_cow_hunk(struct inode *inode, -- struct file *file, - struct buffer_head *di_bh, - u32 cpos, u32 write_len, u32 max_cpos) - { -@@ -3480,8 +3447,6 @@ static int ocfs2_refcount_cow_hunk(struct inode *inode, - - BUG_ON(cow_len == 0); - -- ocfs2_readahead_for_cow(inode, file, cow_start, cow_len); -- - context = kzalloc(sizeof(struct ocfs2_cow_context), GFP_NOFS); - if (!context) { - ret = -ENOMEM; -@@ -3503,7 +3468,6 @@ static int ocfs2_refcount_cow_hunk(struct inode *inode, - context->ref_root_bh = ref_root_bh; - context->cow_duplicate_clusters = ocfs2_duplicate_clusters_by_page; - context->get_clusters = ocfs2_di_get_clusters; -- context->file = file; - - ocfs2_init_dinode_extent_tree(&context->data_et, - INODE_CACHE(inode), di_bh); -@@ -3532,7 +3496,6 @@ out: - * clusters between cpos and cpos+write_len are safe to modify. - */ - int ocfs2_refcount_cow(struct inode *inode, -- struct file *file, - struct buffer_head *di_bh, - u32 cpos, u32 write_len, u32 max_cpos) - { -@@ -3552,7 +3515,7 @@ int ocfs2_refcount_cow(struct inode *inode, - num_clusters = write_len; - - if (ext_flags & OCFS2_EXT_REFCOUNTED) { -- ret = ocfs2_refcount_cow_hunk(inode, file, di_bh, cpos, -+ ret = ocfs2_refcount_cow_hunk(inode, di_bh, cpos, - num_clusters, max_cpos); - if (ret) { - mlog_errno(ret); -diff --git a/fs/ocfs2/refcounttree.h b/fs/ocfs2/refcounttree.h -index 7754608..6422bbcdb 100644 ---- a/fs/ocfs2/refcounttree.h -+++ b/fs/ocfs2/refcounttree.h -@@ -53,7 +53,7 @@ int ocfs2_prepare_refcount_change_for_del(struct inode *inode, - int *credits, - int *ref_blocks); - int ocfs2_refcount_cow(struct inode *inode, -- struct file *filep, struct buffer_head *di_bh, -+ struct buffer_head *di_bh, - u32 cpos, u32 write_len, u32 max_cpos); - - typedef int (ocfs2_post_refcount_func)(struct inode *inode, -@@ -85,11 +85,11 @@ int ocfs2_refcount_cow_xattr(struct inode *inode, - u32 cpos, u32 write_len, - struct ocfs2_post_refcount *post); - int ocfs2_duplicate_clusters_by_page(handle_t *handle, -- struct file *file, -+ struct inode *inode, - u32 cpos, u32 old_cluster, - u32 new_cluster, u32 new_len); - int ocfs2_duplicate_clusters_by_jbd(handle_t *handle, -- struct file *file, -+ struct inode *inode, - u32 cpos, u32 old_cluster, - u32 new_cluster, u32 new_len); - int ocfs2_cow_sync_writeback(struct super_block *sb, -diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c -index b7e74b5..19c6536 100644 ---- a/fs/ocfs2/suballoc.c -+++ b/fs/ocfs2/suballoc.c -@@ -872,7 +872,7 @@ 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 > -@@ -2007,7 +2007,7 @@ 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; -@@ -2171,7 +2171,7 @@ 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); - -@@ -2213,7 +2213,7 @@ 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); - -@@ -2317,7 +2317,7 @@ 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 -@@ -2343,7 +2343,7 @@ 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 01b8516..579c4df 100644 ---- a/fs/ocfs2/super.c -+++ b/fs/ocfs2/super.c -@@ -301,11 +301,11 @@ 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 " -@@ -2122,11 +2122,11 @@ static int ocfs2_initialize_super(struct super_block *sb, - spin_lock_init(&osb->osb_xattr_lock); - ocfs2_init_steal_slots(osb); - -- 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 8c74100..4239c48 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, -@@ -102,6 +104,8 @@ 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); - -@@ -186,6 +190,8 @@ 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); -@@ -360,6 +366,9 @@ 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)) { -@@ -391,6 +400,8 @@ retry: - if (error) - goto dput_and_out; - -+ gr_log_chdir(path.dentry, path.mnt); -+ - set_fs_pwd(current->fs, &path); - - dput_and_out: -@@ -420,6 +431,13 @@ 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: -@@ -449,7 +467,13 @@ 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); -@@ -471,6 +495,16 @@ static int chmod_common(struct path *path, umode_t mode) - if (error) - return error; - 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; -@@ -531,6 +565,9 @@ 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; -+ - newattrs.ia_valid = ATTR_CTIME; - if (user != (uid_t) -1) { - if (!uid_valid(uid)) -@@ -946,6 +983,7 @@ 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/pipe.c b/fs/pipe.c -index d2c45e1..009fe1c 100644 ---- a/fs/pipe.c -+++ b/fs/pipe.c -@@ -56,7 +56,7 @@ 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); - } - -@@ -71,7 +71,7 @@ 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); -@@ -449,9 +449,9 @@ redo: - } - 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 -@@ -513,7 +513,7 @@ pipe_write(struct kiocb *iocb, const struct iovec *_iov, - ret = 0; - __pipe_lock(pipe); - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - ret = -EPIPE; - goto out; -@@ -562,7 +562,7 @@ redo1: - for (;;) { - int bufs; - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -653,9 +653,9 @@ redo2: - 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); -@@ -709,7 +709,7 @@ 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; - } - -@@ -719,7 +719,7 @@ 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; - } - -@@ -734,17 +734,17 @@ 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); - } - spin_lock(&inode->i_lock); -- if (!--pipe->files) { -+ if (atomic_dec_and_test(&pipe->files)) { - inode->i_pipe = NULL; - kill = 1; - } -@@ -811,7 +811,7 @@ 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(). -@@ -841,8 +841,9 @@ 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; - - /* -@@ -1022,17 +1023,17 @@ 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; -@@ -1057,10 +1058,10 @@ 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 */ -@@ -1079,14 +1080,14 @@ 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; - } -@@ -1100,11 +1101,11 @@ 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; - -@@ -1118,20 +1119,20 @@ 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; - - err: - spin_lock(&inode->i_lock); -- if (!--pipe->files) { -+ if (atomic_dec_and_test(&pipe->files)) { - inode->i_pipe = NULL; - kill = 1; - } -diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig -index 15af622..0e9f4467 100644 ---- a/fs/proc/Kconfig -+++ b/fs/proc/Kconfig -@@ -30,12 +30,12 @@ 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 - - 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. - -@@ -59,8 +59,8 @@ 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 cbd0f1b..adec3f0 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> -@@ -363,6 +364,21 @@ static void task_cpus_allowed(struct seq_file *m, struct task_struct *task) - seq_putc(m, '\n'); - } - -+#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) - { -@@ -381,9 +397,24 @@ 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) - { -@@ -405,6 +436,13 @@ 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); -@@ -476,6 +514,19 @@ 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); -@@ -512,9 +563,15 @@ 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. -@@ -536,7 +593,11 @@ 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); -@@ -574,8 +635,15 @@ 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); -@@ -598,6 +666,13 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns, - return 0; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR -+int proc_pid_ipaddr(struct task_struct *task, char *buffer) -+{ -+ return sprintf(buffer, "%pI4\n", &task->signal->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 c3834da..b402b2b 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, \ -@@ -210,6 +218,9 @@ static int proc_pid_cmdline(struct task_struct *task, char * buffer) - 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 > PAGE_SIZE) -@@ -237,12 +248,28 @@ out: - return res; - } - -+#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 task_struct *task, char *buffer) - { - struct mm_struct *mm = mm_access(task, PTRACE_MODE_READ); - int res = PTR_ERR(mm); - 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 */ -@@ -256,7 +283,7 @@ static int proc_pid_auxv(struct task_struct *task, char *buffer) - } - - --#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. -@@ -295,7 +322,7 @@ 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 - -@@ -518,7 +545,7 @@ static int proc_pid_limits(struct task_struct *task, char *buffer) - return count; - } - --#ifdef CONFIG_HAVE_ARCH_TRACEHOOK -+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP) - static int proc_pid_syscall(struct task_struct *task, char *buffer) - { - long nr; -@@ -547,7 +574,7 @@ static int proc_pid_syscall(struct task_struct *task, char *buffer) - /************************************************************************/ - - /* 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; -@@ -557,7 +584,10 @@ 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; -@@ -588,10 +618,35 @@ 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); - } - -@@ -609,7 +664,11 @@ 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 -@@ -707,6 +766,11 @@ static int __mem_open(struct inode *inode, struct file *file, unsigned int mode) - if (!task) - return -ESRCH; - -+ if (gr_acl_handle_procpidmem(task)) { -+ put_task_struct(task); -+ return -EPERM; -+ } -+ - mm = mm_access(task, mode); - put_task_struct(task); - -@@ -722,6 +786,10 @@ static int __mem_open(struct inode *inode, struct file *file, unsigned int mode) - - file->private_data = mm; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ file->f_version = current->exec_id; -+#endif -+ - return 0; - } - -@@ -743,6 +811,17 @@ 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; - -@@ -755,7 +834,7 @@ 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; -@@ -847,6 +926,13 @@ 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; -@@ -856,7 +942,7 @@ 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; -@@ -1461,7 +1547,7 @@ 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); -@@ -1505,8 +1591,18 @@ 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) -@@ -1556,7 +1652,11 @@ 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); -@@ -1592,10 +1692,19 @@ 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(); -@@ -1633,11 +1742,20 @@ 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; -@@ -2196,6 +2314,9 @@ 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. -@@ -2240,6 +2361,9 @@ static int proc_pident_readdir(struct file *filp, - if (!task) - goto out_no_task; - -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ goto out; -+ - ret = 0; - i = filp->f_pos; - switch (i) { -@@ -2653,7 +2777,7 @@ 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) - INF("syscall", S_IRUGO, proc_pid_syscall), - #endif - INF("cmdline", S_IRUGO, proc_pid_cmdline), -@@ -2678,10 +2802,10 @@ 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) - INF("wchan", S_IRUGO, proc_pid_wchan), - #endif --#ifdef CONFIG_STACKTRACE -+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("stack", S_IRUGO, proc_pid_stack), - #endif - #ifdef CONFIG_SCHEDSTATS -@@ -2715,6 +2839,9 @@ static const struct pid_entry tgid_base_stuff[] = { - #ifdef CONFIG_HARDWALL - INF("hardwall", S_IRUGO, proc_pid_hardwall), - #endif -+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR -+ INF("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), -@@ -2847,7 +2974,14 @@ static struct dentry *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; -@@ -2885,7 +3019,11 @@ 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 result; -@@ -2948,6 +3086,8 @@ static int proc_pid_fill_cache(struct file *filp, void *dirent, filldir_t filldi - static int fake_filldir(void *buf, const char *name, int namelen, - loff_t offset, u64 ino, unsigned d_type) - { -+ struct getdents_callback * __buf = (struct getdents_callback *) buf; -+ __buf->error = -EINVAL; - return 0; - } - -@@ -3007,7 +3147,7 @@ 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) - INF("syscall", S_IRUGO, proc_pid_syscall), - #endif - INF("cmdline", S_IRUGO, proc_pid_cmdline), -@@ -3034,10 +3174,10 @@ 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) - INF("wchan", S_IRUGO, proc_pid_wchan), - #endif --#ifdef CONFIG_STACKTRACE -+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("stack", S_IRUGO, proc_pid_stack), - #endif - #ifdef CONFIG_SCHEDSTATS -diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c -index 82676e3..5f8518a 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; - } - module_init(proc_cmdline_init); -diff --git a/fs/proc/devices.c b/fs/proc/devices.c -index b143471..bb105e5 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; - } - module_init(proc_devices_init); -diff --git a/fs/proc/fd.c b/fs/proc/fd.c -index d7a4a28..0201742 100644 ---- a/fs/proc/fd.c -+++ b/fs/proc/fd.c -@@ -25,7 +25,8 @@ 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) { -@@ -302,11 +303,21 @@ 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_pid(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/inode.c b/fs/proc/inode.c -index 073aea6..0630370 100644 ---- a/fs/proc/inode.c -+++ b/fs/proc/inode.c -@@ -23,11 +23,17 @@ - #include <linux/slab.h> - #include <linux/mount.h> - #include <linux/magic.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; -@@ -55,6 +61,13 @@ static void proc_evict_inode(struct inode *inode) - ns = PROC_I(inode)->ns.ns; - if (ns_ops && ns) - ns_ops->put(ns); -+ -+#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; -@@ -385,7 +398,11 @@ 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 d600fb0..3b495fe 100644 ---- a/fs/proc/internal.h -+++ b/fs/proc/internal.h -@@ -155,6 +155,9 @@ 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 task_struct *task, char *buffer); -+#endif - - /* - * base.c -diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c -index 0a22194..a9fc8c1 100644 ---- a/fs/proc/kcore.c -+++ b/fs/proc/kcore.c -@@ -484,9 +484,10 @@ 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; - -@@ -515,20 +516,23 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) - kfree(elf_buf); - } 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)) -+ elf_buf = kmalloc(tsz, GFP_KERNEL); -+ if (!elf_buf) -+ return -ENOMEM; -+ oldfs = get_fs(); -+ set_fs(KERNEL_DS); -+ if (!__copy_from_user(elf_buf, (const void __user *)start, tsz)) { -+ set_fs(oldfs); -+ if (copy_to_user(buffer, elf_buf, tsz)) { -+ kfree(elf_buf); - return -EFAULT; -+ } - } -+ set_fs(oldfs); -+ kfree(elf_buf); - } else { - if (clear_user(buffer, tsz)) - return -EFAULT; -@@ -548,6 +552,9 @@ 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) -diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c -index 5aa847a..f77c8d4 100644 ---- a/fs/proc/meminfo.c -+++ b/fs/proc/meminfo.c -@@ -159,7 +159,7 @@ 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 ccfd99b..1b7e255 100644 ---- a/fs/proc/nommu.c -+++ b/fs/proc/nommu.c -@@ -66,7 +66,7 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region) - if (len < 1) - len = 1; - seq_printf(m, "%*c", len, ' '); -- 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 986e832..6e8e859 100644 ---- a/fs/proc/proc_net.c -+++ b/fs/proc/proc_net.c -@@ -23,6 +23,7 @@ - #include <linux/nsproxy.h> - #include <net/net_namespace.h> - #include <linux/seq_file.h> -+#include <linux/grsecurity.h> - - #include "internal.h" - -@@ -109,6 +110,17 @@ static struct net *get_proc_task_net(struct inode *dir) - struct task_struct *task; - struct nsproxy *ns; - struct net *net = NULL; -+#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 net; -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (!uid_eq(cred->fsuid, GLOBAL_ROOT_UID) && !in_group_p(grsec_proc_gid)) -+ return net; -+#endif - - rcu_read_lock(); - task = pid_task(proc_pid(dir), PIDTYPE_PID); -diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c -index ac05f33..1e6dc7e 100644 ---- a/fs/proc/proc_sysctl.c -+++ b/fs/proc/proc_sysctl.c -@@ -13,11 +13,15 @@ - #include <linux/module.h> - #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; - - void proc_sys_poll_notify(struct ctl_table_poll *poll) - { -@@ -467,6 +471,9 @@ 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: -@@ -482,6 +489,7 @@ 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; - -@@ -493,7 +501,7 @@ 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 */ -@@ -501,6 +509,22 @@ 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 && !capable(CAP_SYS_ADMIN)) -+ goto out; -+#endif -+ - /* careful: calling conventions are nasty here */ - res = count; - error = table->proc_handler(table, write, buf, &res, ppos); -@@ -598,6 +622,9 @@ static int proc_sys_fill_cache(struct file *filp, void *dirent, - return -ENOMEM; - } else { - d_set_d_op(child, &proc_sys_dentry_operations); -+ -+ gr_handle_proc_create(child, inode); -+ - d_add(child, inode); - } - } else { -@@ -641,6 +668,9 @@ static int scan(struct ctl_table_header *head, ctl_table *table, - if ((*pos)++ < file->f_pos) - return 0; - -+ 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, dirent, filldir, head, table); - else -@@ -751,6 +781,9 @@ 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; -@@ -773,13 +806,13 @@ 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, -@@ -855,7 +888,7 @@ 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; -@@ -867,7 +900,7 @@ 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'; -@@ -1036,7 +1069,8 @@ 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; -@@ -1059,7 +1093,7 @@ 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++) { -@@ -1307,8 +1341,8 @@ 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; -@@ -1320,10 +1354,9 @@ 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) -@@ -1341,7 +1374,7 @@ 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 41a6ea9..23eaa92 100644 ---- a/fs/proc/root.c -+++ b/fs/proc/root.c -@@ -182,7 +182,15 @@ void __init proc_root_init(void) - #ifdef CONFIG_PROC_DEVICETREE - proc_device_tree_init(); - #endif -+#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/self.c b/fs/proc/self.c -index 6b6a993..807cccc 100644 ---- a/fs/proc/self.c -+++ b/fs/proc/self.c -@@ -39,7 +39,7 @@ static void *proc_self_follow_link(struct dentry *dentry, struct nameidata *nd) - static void proc_self_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/proc/task_mmu.c b/fs/proc/task_mmu.c -index 65fc60a..350cc48 100644 ---- a/fs/proc/task_mmu.c -+++ b/fs/proc/task_mmu.c -@@ -11,12 +11,19 @@ - #include <linux/rmap.h> - #include <linux/swap.h> - #include <linux/swapops.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; -@@ -52,8 +59,13 @@ void task_mem(struct seq_file *m, struct mm_struct *mm) - "VmExe:\t%8lu kB\n" - "VmLib:\t%8lu kB\n" - "VmPTE:\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), -@@ -62,7 +74,19 @@ void task_mem(struct seq_file *m, struct mm_struct *mm) - data << (PAGE_SHIFT-10), - mm->stack_vm << (PAGE_SHIFT-10), text, lib, - (PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 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) -@@ -277,13 +301,13 @@ 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_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n", - start, -@@ -292,7 +316,11 @@ 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, &len); - - /* -@@ -301,7 +329,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) - */ - if (file) { - pad_len_spaces(m, len); -- seq_path(m, &file->f_path, "\n"); -+ seq_path(m, &file->f_path, "\n\"); - goto done; - } - -@@ -327,8 +355,9 @@ 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 */ -@@ -352,6 +381,13 @@ static int show_map(struct seq_file *m, void *v, int is_pid) - struct proc_maps_private *priv = m->private; - struct task_struct *task = priv->task; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("maps"); -+ return 0; -+ } -+#endif -+ - show_map_vma(m, vma, is_pid); - - if (m->count < m->size) /* vma is copied successfully */ -@@ -589,12 +625,23 @@ 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); -- mss.vma = vma; -- /* mmap_sem is held in m_start */ -- if (vma->vm_mm && !is_vm_hugetlb_page(vma)) -- walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk); -- -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (!PAX_RAND_FLAGS(vma->vm_mm)) { -+#endif -+ mss.vma = vma; -+ /* mmap_sem is held in m_start */ -+ if (vma->vm_mm && !is_vm_hugetlb_page(vma)) -+ walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk); -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ } -+#endif - show_map_vma(m, vma, is_pid); - - seq_printf(m, -@@ -612,7 +659,11 @@ 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, -@@ -1264,6 +1315,13 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid) - int n; - char buffer[50]; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("numa_maps"); -+ return 0; -+ } -+#endif -+ - if (!mm) - return 0; - -@@ -1281,11 +1339,15 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid) - mpol_to_str(buffer, sizeof(buffer), pol); - mpol_cond_put(pol); - -+#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_printf(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_printf(m, " heap"); - } else { -diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c -index 56123a6..5a2f6ec 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); -@@ -168,7 +168,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma, - - if (file) { - pad_len_spaces(m, len); -- seq_path(m, &file->f_path, ""); -+ seq_path(m, &file->f_path, "\n\"); - } else if (mm) { - pid_t tid = vm_is_stack(priv->task, vma, is_pid); - -diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c -index 17f7e08..e4b1529 100644 ---- a/fs/proc/vmcore.c -+++ b/fs/proc/vmcore.c -@@ -99,9 +99,13 @@ 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) -@@ -186,7 +190,7 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer, - if (tsz > nr_bytes) - tsz = nr_bytes; - -- tmp = read_from_oldmem(buffer, tsz, &start, 1); -+ tmp = read_from_oldmem((char __force_kernel *)buffer, tsz, &start, 1); - if (tmp < 0) - return tmp; - buflen -= tsz; -diff --git a/fs/qnx6/qnx6.h b/fs/qnx6/qnx6.h -index b00fcc9..e0c6381 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 16e8abb..2dcf914 100644 ---- a/fs/quota/netlink.c -+++ b/fs/quota/netlink.c -@@ -33,7 +33,7 @@ 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; -@@ -49,7 +49,7 @@ 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 2cefa41..c7e2fe0 100644 ---- a/fs/read_write.c -+++ b/fs/read_write.c -@@ -411,7 +411,7 @@ 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; - if (file->f_op->write) -diff --git a/fs/readdir.c b/fs/readdir.c -index fee38e0..12fdf47 100644 ---- a/fs/readdir.c -+++ b/fs/readdir.c -@@ -17,6 +17,7 @@ - #include <linux/security.h> - #include <linux/syscalls.h> - #include <linux/unistd.h> -+#include <linux/namei.h> - - #include <asm/uaccess.h> - -@@ -67,6 +68,7 @@ struct old_linux_dirent { - - struct readdir_callback { - struct old_linux_dirent __user * dirent; -+ struct file * file; - int result; - }; - -@@ -84,6 +86,10 @@ static int fillonedir(void * __buf, const char * name, int namlen, loff_t offset - 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, -@@ -114,6 +120,7 @@ SYSCALL_DEFINE3(old_readdir, unsigned int, fd, - - buf.result = 0; - buf.dirent = dirent; -+ buf.file = f.file; - - error = vfs_readdir(f.file, fillonedir, &buf); - if (buf.result) -@@ -139,6 +146,7 @@ struct linux_dirent { - struct getdents_callback { - struct linux_dirent __user * current_dir; - struct linux_dirent __user * previous; -+ struct file * file; - int count; - int error; - }; -@@ -160,6 +168,10 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset, - 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)) -@@ -205,6 +217,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd, - buf.previous = NULL; - buf.count = count; - buf.error = 0; -+ buf.file = f.file; - - error = vfs_readdir(f.file, filldir, &buf); - if (error >= 0) -@@ -223,6 +236,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd, - struct getdents_callback64 { - struct linux_dirent64 __user * current_dir; - struct linux_dirent64 __user * previous; -+ struct file *file; - int count; - int error; - }; -@@ -238,6 +252,10 @@ static int filldir64(void * __buf, const char * name, int namlen, loff_t offset, - 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)) -@@ -283,6 +301,7 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd, - - buf.current_dir = dirent; - buf.previous = NULL; -+ buf.file = f.file; - buf.count = count; - buf.error = 0; - -@@ -291,7 +310,7 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd, - error = buf.error; - lastdirent = buf.previous; - if (lastdirent) { -- typeof(lastdirent->d_off) d_off = f.file->f_pos; -+ typeof(((struct linux_dirent64 *)0)->d_off) d_off = f.file->f_pos; - if (__put_user(d_off, &lastdirent->d_off)) - error = -EFAULT; - else -diff --git a/fs/reiserfs/do_balan.c b/fs/reiserfs/do_balan.c -index 2b7882b..1c5ef48 100644 ---- a/fs/reiserfs/do_balan.c -+++ b/fs/reiserfs/do_balan.c -@@ -2051,7 +2051,7 @@ void do_balance(struct tree_balance *tb, /* tree_balance structure */ - return; - } - -- atomic_inc(&(fs_generation(tb->tb_sb))); -+ atomic_inc_unchecked(&(fs_generation(tb->tb_sb))); - do_balance_starts(tb); - - /* balance leaf returns 0 except if combining L R and S into -diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c -index 1d48974..2f8f4e0 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 157e474..65a6114 100644 ---- a/fs/reiserfs/reiserfs.h -+++ b/fs/reiserfs/reiserfs.h -@@ -453,7 +453,7 @@ struct reiserfs_sb_info { - /* Comment? -Hans */ - wait_queue_head_t s_wait; - /* To be obsoleted soon by per buffer seals.. -Hans */ -- atomic_t s_generation_counter; // increased by one every time the -+ atomic_unchecked_t s_generation_counter; // increased by one every time the - // tree gets re-balanced - unsigned long s_properties; /* File system properties. Currently holds - on-disk FS format */ -@@ -1978,7 +1978,7 @@ static inline loff_t max_reiserfs_offset(struct inode *inode) - #define REISERFS_USER_MEM 1 /* reiserfs 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/select.c b/fs/select.c -index 8c1c96c..a0f9b6d 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> -@@ -827,6 +828,7 @@ 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 774c1eb..b67582a 100644 ---- a/fs/seq_file.c -+++ b/fs/seq_file.c -@@ -10,6 +10,7 @@ - #include <linux/seq_file.h> - #include <linux/slab.h> - #include <linux/cred.h> -+#include <linux/sched.h> - - #include <asm/uaccess.h> - #include <asm/page.h> -@@ -60,6 +61,9 @@ 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 -@@ -96,7 +100,7 @@ static int traverse(struct seq_file *m, loff_t offset) - return 0; - } - if (!m->buf) { -- m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL); -+ m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL | GFP_USERCOPY); - if (!m->buf) - return -ENOMEM; - } -@@ -136,7 +140,7 @@ static int traverse(struct seq_file *m, loff_t offset) - Eoverflow: - m->op->stop(m, p); - kfree(m->buf); -- m->buf = kmalloc(m->size <<= 1, GFP_KERNEL); -+ m->buf = kmalloc(m->size <<= 1, GFP_KERNEL | GFP_USERCOPY); - return !m->buf ? -ENOMEM : -EAGAIN; - } - -@@ -191,7 +195,7 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos) - - /* grab buffer if we didn't have one */ - if (!m->buf) { -- m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL); -+ m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL | GFP_USERCOPY); - if (!m->buf) - goto Enomem; - } -@@ -232,7 +236,7 @@ ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos) - goto Fill; - m->op->stop(m, p); - kfree(m->buf); -- m->buf = kmalloc(m->size <<= 1, GFP_KERNEL); -+ m->buf = kmalloc(m->size <<= 1, GFP_KERNEL | GFP_USERCOPY); - if (!m->buf) - goto Enomem; - m->count = 0; -@@ -581,7 +585,7 @@ 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) { -diff --git a/fs/splice.c b/fs/splice.c -index d37431d..81c3044 100644 ---- a/fs/splice.c -+++ b/fs/splice.c -@@ -196,7 +196,7 @@ 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; -@@ -219,7 +219,7 @@ 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) -@@ -250,9 +250,9 @@ 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); -@@ -565,7 +565,7 @@ 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; -@@ -580,7 +580,7 @@ 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; -@@ -633,7 +633,7 @@ 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++; -@@ -829,7 +829,7 @@ int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_desc *sd, - 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; - } - -@@ -854,10 +854,10 @@ EXPORT_SYMBOL(splice_from_pipe_feed); - 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) -@@ -1193,7 +1193,7 @@ 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; - } -@@ -1769,9 +1769,9 @@ 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; -@@ -1803,7 +1803,7 @@ 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; -@@ -1816,9 +1816,9 @@ 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); -@@ -1854,14 +1854,14 @@ 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; - - /* -@@ -1958,7 +1958,7 @@ 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; -@@ -2003,7 +2003,7 @@ 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/stat.c b/fs/stat.c -index 04ce1ac..a13dd1e 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; -@@ -46,8 +51,14 @@ int vfs_getattr(struct path *path, struct kstat *stat) - if (retval) - return 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/bin.c b/fs/sysfs/bin.c -index 15c68f9..36a8b3e 100644 ---- a/fs/sysfs/bin.c -+++ b/fs/sysfs/bin.c -@@ -235,13 +235,13 @@ static int bin_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf) - return ret; - } - --static int bin_access(struct vm_area_struct *vma, unsigned long addr, -- void *buf, int len, int write) -+static ssize_t bin_access(struct vm_area_struct *vma, unsigned long addr, -+ void *buf, size_t len, int write) - { - struct file *file = vma->vm_file; - struct bin_buffer *bb = file->private_data; - struct sysfs_dirent *attr_sd = file->f_path.dentry->d_fsdata; -- int ret; -+ ssize_t ret; - - if (!bb->vm_ops) - return -EINVAL; -diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c -index e8e0e71..79c28ac5 100644 ---- a/fs/sysfs/dir.c -+++ b/fs/sysfs/dir.c -@@ -40,7 +40,7 @@ static DEFINE_IDA(sysfs_ino_ida); - * - * Returns 31 bit hash of ns + name (so it fits in an off_t ) - */ --static unsigned int sysfs_name_hash(const void *ns, const char *name) -+static unsigned int sysfs_name_hash(const void *ns, const unsigned char *name) - { - unsigned long hash = init_name_hash(); - unsigned int len = strlen(name); -@@ -679,6 +679,18 @@ static int create_dir(struct kobject *kobj, struct sysfs_dirent *parent_sd, - struct sysfs_dirent *sd; - int rc; - -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+ const char *parent_name = parent_sd->s_name; -+ -+ mode = S_IFDIR | 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_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO; -+#endif -+ - /* allocate */ - sd = sysfs_new_dirent(name, mode, SYSFS_DIR); - if (!sd) -diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c -index 602f56d..6853db8 100644 ---- a/fs/sysfs/file.c -+++ b/fs/sysfs/file.c -@@ -37,7 +37,7 @@ static DEFINE_SPINLOCK(sysfs_open_dirent_lock); - - struct sysfs_open_dirent { - atomic_t refcnt; -- atomic_t event; -+ atomic_unchecked_t event; - wait_queue_head_t poll; - struct list_head buffers; /* goes through sysfs_buffer.list */ - }; -@@ -81,7 +81,7 @@ static int fill_read_buffer(struct dentry * dentry, struct sysfs_buffer * buffer - if (!sysfs_get_active(attr_sd)) - return -ENODEV; - -- buffer->event = atomic_read(&attr_sd->s_attr.open->event); -+ buffer->event = atomic_read_unchecked(&attr_sd->s_attr.open->event); - count = ops->show(kobj, attr_sd->s_attr.attr, buffer->page); - - sysfs_put_active(attr_sd); -@@ -287,7 +287,7 @@ static int sysfs_get_open_dirent(struct sysfs_dirent *sd, - return -ENOMEM; - - atomic_set(&new_od->refcnt, 0); -- atomic_set(&new_od->event, 1); -+ atomic_set_unchecked(&new_od->event, 1); - init_waitqueue_head(&new_od->poll); - INIT_LIST_HEAD(&new_od->buffers); - goto retry; -@@ -432,7 +432,7 @@ static unsigned int sysfs_poll(struct file *filp, poll_table *wait) - - sysfs_put_active(attr_sd); - -- if (buffer->event != atomic_read(&od->event)) -+ if (buffer->event != atomic_read_unchecked(&od->event)) - goto trigger; - - return DEFAULT_POLLMASK; -@@ -451,7 +451,7 @@ void sysfs_notify_dirent(struct sysfs_dirent *sd) - - od = sd->s_attr.open; - if (od) { -- atomic_inc(&od->event); -+ atomic_inc_unchecked(&od->event); - wake_up_interruptible(&od->poll); - } - -diff --git a/fs/sysfs/symlink.c b/fs/sysfs/symlink.c -index 8c940df..25b733e 100644 ---- a/fs/sysfs/symlink.c -+++ b/fs/sysfs/symlink.c -@@ -305,7 +305,7 @@ static void *sysfs_follow_link(struct dentry *dentry, struct nameidata *nd) - - static void sysfs_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/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/ubifs/io.c b/fs/ubifs/io.c -index e18b988..f1d4ad0f 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 c175b4d..8f36a16 100644 ---- a/fs/udf/misc.c -+++ b/fs/udf/misc.c -@@ -289,7 +289,7 @@ 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 f4fb7ec..3fe03c0 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> -@@ -101,6 +102,12 @@ static int utimes_common(struct path *path, struct timespec *times) - goto mnt_drop_write_and_out; - } - } -+ -+ 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); - mutex_unlock(&inode->i_mutex); -diff --git a/fs/xattr.c b/fs/xattr.c -index 3377dff..4d074d9 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); -@@ -377,7 +403,7 @@ 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); -@@ -401,7 +427,7 @@ 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); -@@ -416,16 +442,14 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name, - const void __user *,value, size_t, size, int, flags) - { - struct fd f = fdget(fd); -- struct dentry *dentry; - int error = -EBADF; - - if (!f.file) - return error; -- dentry = f.file->f_path.dentry; -- audit_inode(NULL, dentry, 0); -+ audit_inode(NULL, f.file->f_path.dentry, 0); - error = mnt_want_write_file(f.file); - if (!error) { -- error = setxattr(dentry, name, value, size, flags); -+ error = setxattr(&f.file->f_path, name, value, size, flags); - mnt_drop_write_file(f.file); - } - fdput(f); -diff --git a/fs/xattr_acl.c b/fs/xattr_acl.c -index 9fbea87..6b19972 100644 ---- a/fs/xattr_acl.c -+++ b/fs/xattr_acl.c -@@ -76,8 +76,8 @@ 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; -diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c -index 8904284..ee0e14b 100644 ---- a/fs/xfs/xfs_bmap.c -+++ b/fs/xfs/xfs_bmap.c -@@ -765,7 +765,7 @@ 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_sf.c b/fs/xfs/xfs_dir2_sf.c -index 6157424..ac98f6d 100644 ---- a/fs/xfs/xfs_dir2_sf.c -+++ b/fs/xfs/xfs_dir2_sf.c -@@ -851,7 +851,15 @@ xfs_dir2_sf_getdents( - } - - ino = xfs_dir2_sfe_get_ino(sfp, sfep); -- if (filldir(dirent, (char *)sfep->name, sfep->namelen, -+ 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 (filldir(dirent, name, sfep->namelen, -+ off & 0x7fffffff, ino, DT_UNKNOWN)) { -+ *offset = off & 0x7fffffff; -+ return 0; -+ } -+ } else if (filldir(dirent, (char *)sfep->name, sfep->namelen, - off & 0x7fffffff, ino, DT_UNKNOWN)) { - *offset = off & 0x7fffffff; - return 0; -diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c -index 5e99968..45bd327 100644 ---- a/fs/xfs/xfs_ioctl.c -+++ b/fs/xfs/xfs_ioctl.c -@@ -127,7 +127,7 @@ 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_iops.c b/fs/xfs/xfs_iops.c -index ca9ecaa..60100c7 100644 ---- a/fs/xfs/xfs_iops.c -+++ b/fs/xfs/xfs_iops.c -@@ -395,7 +395,7 @@ xfs_vn_put_link( - struct nameidata *nd, - void *p) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - - if (!IS_ERR(s)) - kfree(s); -diff --git a/grsecurity/Kconfig b/grsecurity/Kconfig -new file mode 100644 -index 0000000..76e84b9 ---- /dev/null -+++ b/grsecurity/Kconfig -@@ -0,0 +1,1063 @@ -+# -+# 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 and support -+ for /dev/cpu/*/msr will be removed. If you have module -+ support disabled, enabling this will close up five ways that are -+ currently used to insert malicious code into the running kernel. -+ -+ Even with all these features 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 privileged I/O granted by ioperm/iopl. -+ -+ If you are not using XFree86, you may be able to stop this additional -+ case by enabling the 'Disable privileged I/O' option. Though nothing -+ legitimately writes to /dev/kmem, XFree86 does need to write to /dev/mem, -+ but only to video memory, which is the only writing we allow in this -+ case. If /dev/kmem or /dev/mem are mmaped without PROT_WRITE, they will -+ not be allowed to mprotect it with PROT_WRITE later. -+ Enabling this feature will prevent the "cpupower" and "powertop" tools -+ from working. -+ -+ 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. XFree86 still will not -+ operate correctly with this option enabled, so DO NOT CHOOSE Y -+ IF YOU USE XFree86. If you use XFree86 and you still want to -+ protect your kernel against modification, use the RBAC system. -+ -+config GRKERNSEC_JIT_HARDEN -+ bool "Harden BPF JIT against spray attacks" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on BPF_JIT -+ help -+ If you say Y here, the native code generated by the kernel's Berkeley -+ Packet Filter (BPF) JIT engine will be hardened against JIT-spraying -+ attacks that attempt to fit attacker-beneficial instructions in -+ 32bit immediate fields of JIT-generated native instructions. The -+ attacker will generally aim to cause an unintended instruction sequence -+ of JIT-generated native code to execute by jumping into the middle of -+ a generated instruction. This feature effectively randomizes the 32bit -+ immediate constants present in the generated code to thwart such attacks. -+ -+ 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_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_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. -+ -+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" -+ 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. 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. -+ -+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 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. 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_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_RAM -+ 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_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_RANDNET -+ bool "Larger entropy pools" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, the entropy pools used for many features of Linux -+ and grsecurity will be doubled in size. Since several grsecurity -+ features use additional randomness, it is recommended that you say Y -+ here. Saying Y here has a similar effect as modifying -+ /proc/sys/kernel/random/poolsize. -+ -+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. -+ 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 -+ 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. Once set, it cannot be unset. -+ -+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. -+ -+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. -+ -+endmenu -diff --git a/grsecurity/Makefile b/grsecurity/Makefile -new file mode 100644 -index 0000000..b0b77d5 ---- /dev/null -+++ b/grsecurity/Makefile -@@ -0,0 +1,43 @@ -+# grsecurity's ACL system was originally written in 2001 by Michael Dalton -+# during 2001-2009 it has been completely redesigned by Brad Spengler -+# into an RBAC system -+# -+# All code in this directory and various hooks inserted throughout the kernel -+# are copyright Brad Spengler - Open Source Security, Inc., and released -+# under the GPL v2 or higher -+ -+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 -+ -+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 -+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 . -+ @echo ' grsec: protected kernel image paths' -+endif -diff --git a/grsecurity/gracl.c b/grsecurity/gracl.c -new file mode 100644 -index 0000000..c0793fd ---- /dev/null -+++ b/grsecurity/gracl.c -@@ -0,0 +1,4178 @@ -+#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> -+#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> -+ -+extern struct lglock vfsmount_lock; -+ -+static struct acl_role_db acl_role_set; -+static struct name_db name_set; -+static struct inodev_db inodev_set; -+ -+/* for keeping track of userspace pointers used for subjects, so we -+ can share references in the kernel as well -+*/ -+ -+static struct path real_root; -+ -+static struct acl_subj_map_db subj_map_set; -+ -+static struct acl_role_label *default_role; -+ -+static struct acl_role_label *role_list; -+ -+static u16 acl_sp_role_value; -+ -+extern char *gr_shared_page[4]; -+static DEFINE_MUTEX(gr_dev_mutex); -+DEFINE_RWLOCK(gr_inode_lock); -+ -+struct gr_arg *gr_usermode; -+ -+static unsigned int gr_status __read_only = GR_STATUS_INIT; -+ -+extern int chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum); -+extern void gr_clear_learn_entries(void); -+ -+unsigned char *gr_system_salt; -+unsigned char *gr_system_sum; -+ -+static struct sprole_pw **acl_special_roles = NULL; -+static __u16 num_sprole_pws = 0; -+ -+static struct acl_role_label *kernel_role = NULL; -+ -+static unsigned int gr_auth_attempts = 0; -+static unsigned long gr_auth_expires = 0UL; -+ -+#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 -+ -+static struct acl_object_label *fakefs_obj_rw; -+static 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); -+ -+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 -+ -+__inline__ int -+gr_acl_is_enabled(void) -+{ -+ return (gr_status & GR_READY); -+} -+ -+static inline dev_t __get_dev(const struct dentry *dentry) -+{ -+#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE) -+ if (dentry->d_sb->s_magic == BTRFS_SUPER_MAGIC) -+ return BTRFS_I(dentry->d_inode)->root->anon_dev; -+ else -+#endif -+ return dentry->d_sb->s_dev; -+} -+ -+dev_t gr_get_dev_from_dentry(struct dentry *dentry) -+{ -+ return __get_dev(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); -+} -+ -+__inline__ 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) && -+ grsec_enable_chroot_caps && proc_is_chrooted(current) && -+ !capable(CAP_SYS_RAWIO)) -+ return 1; -+#endif -+ return 0; -+} -+ -+static 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 vfsmount_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 real_root.dentry, real_root.mnt, because this is only called -+ by the RBAC system */ -+ res = gen_full_path(&path, &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 real_root.dentry, real_root.mnt, because they belong only to the RBAC system */ -+ get_fs_root(reaper->fs, &root); -+ -+ br_read_lock(&vfsmount_lock); -+ write_seqlock(&rename_lock); -+ res = gen_full_path(&path, &root, buf, buflen); -+ write_sequnlock(&rename_lock); -+ br_read_unlock(&vfsmount_lock); -+ -+ path_put(&root); -+ return res; -+} -+ -+static char * -+gr_to_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ char *ret; -+ br_read_lock(&vfsmount_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); -+ br_read_unlock(&vfsmount_lock); -+ return ret; -+} -+ -+static char * -+gr_to_proc_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ char *ret; -+ char *buf; -+ int buflen; -+ -+ br_read_lock(&vfsmount_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); -+ br_read_unlock(&vfsmount_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); -+} -+ -+__inline__ __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_subject_label * -+lookup_subject_map(const struct acl_subject_label *userp) -+{ -+ unsigned int index = gr_shash(userp, subj_map_set.s_size); -+ struct subject_map *match; -+ -+ match = 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, subj_map_set.s_size); -+ struct subject_map **curr; -+ -+ subjmap->prev = NULL; -+ -+ curr = &subj_map_set.s_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = subjmap; -+ -+ subjmap->next = *curr; -+ *curr = subjmap; -+ -+ return; -+} -+ -+static struct acl_role_label * -+lookup_acl_role_label(const struct task_struct *task, const uid_t uid, -+ const gid_t gid) -+{ -+ unsigned int index = gr_rhash(uid, GR_ROLE_USER, acl_role_set.r_size); -+ struct acl_role_label *match; -+ struct role_allowed_ip *ipp; -+ unsigned int x; -+ u32 curr_ip = task->signal->curr_ip; -+ -+ task->signal->saved_ip = curr_ip; -+ -+ match = 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, acl_role_set.r_size); -+ match = 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 = 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 = 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; -+} -+ -+struct acl_subject_label * -+lookup_acl_subj_label(const ino_t 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 ino_t 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 ino_t 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 ino_t 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; -+} -+ -+static struct name_entry * -+lookup_name_entry(const char *name) -+{ -+ unsigned int len = strlen(name); -+ unsigned int key = full_name_hash(name, len); -+ unsigned int index = key % name_set.n_size; -+ struct name_entry *match; -+ -+ match = 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_create(const char *name) -+{ -+ unsigned int len = strlen(name); -+ unsigned int key = full_name_hash(name, len); -+ unsigned int index = key % name_set.n_size; -+ struct name_entry *match; -+ -+ match = 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 = 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 ino_t ino, const dev_t dev) -+{ -+ unsigned int index = gr_fhash(ino, dev, inodev_set.i_size); -+ struct inodev_entry *match; -+ -+ match = inodev_set.i_hash[index]; -+ -+ while (match && (match->nentry->inode != ino || match->nentry->device != dev)) -+ match = match->next; -+ -+ return match; -+} -+ -+static void -+insert_inodev_entry(struct inodev_entry *entry) -+{ -+ unsigned int index = gr_fhash(entry->nentry->inode, entry->nentry->device, -+ inodev_set.i_size); -+ struct inodev_entry **curr; -+ -+ entry->prev = NULL; -+ -+ curr = &inodev_set.i_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = entry; -+ -+ entry->next = *curr; -+ *curr = entry; -+ -+ 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), acl_role_set.r_size); -+ struct acl_role_label **curr; -+ struct acl_role_label *tmp, *tmp2; -+ -+ curr = &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 (role_list == NULL) { -+ role_list = role; -+ role->prev = NULL; -+ } else { -+ role->prev = role_list; -+ 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 ino_t 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 % name_set.n_size; -+ -+ curr = &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 = &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(ientry); -+ -+ return 1; -+} -+ -+static 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; -+} -+ -+static 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; -+} -+ -+/* 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) -+{ -+ struct task_struct *reaper = init_pid_ns.child_reaper; -+ unsigned int stacksize; -+ -+ subj_map_set.s_size = arg->role_db.num_subjects; -+ acl_role_set.r_size = arg->role_db.num_roles + arg->role_db.num_domain_children; -+ name_set.n_size = arg->role_db.num_objects; -+ inodev_set.i_size = arg->role_db.num_objects; -+ -+ if (!subj_map_set.s_size || !acl_role_set.r_size || -+ !name_set.n_size || !inodev_set.i_size) -+ return 1; -+ -+ 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; -+ -+ /* grab reference for the real root dentry and vfsmount */ -+ get_fs_root(reaper->fs, &real_root); -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Obtained real root device=%d, inode=%lu\n", __get_dev(real_root.dentry), real_root.dentry->d_inode->i_ino); -+#endif -+ -+ fakefs_obj_rw = acl_alloc(sizeof(struct acl_object_label)); -+ if (fakefs_obj_rw == NULL) -+ return 1; -+ fakefs_obj_rw->mode = GR_FIND | GR_READ | GR_WRITE; -+ -+ fakefs_obj_rwx = acl_alloc(sizeof(struct acl_object_label)); -+ if (fakefs_obj_rwx == NULL) -+ return 1; -+ fakefs_obj_rwx->mode = GR_FIND | GR_READ | GR_WRITE | GR_EXEC; -+ -+ subj_map_set.s_hash = -+ (struct subject_map **) create_table(&subj_map_set.s_size, sizeof(void *)); -+ acl_role_set.r_hash = -+ (struct acl_role_label **) create_table(&acl_role_set.r_size, sizeof(void *)); -+ name_set.n_hash = (struct name_entry **) create_table(&name_set.n_size, sizeof(void *)); -+ inodev_set.i_hash = -+ (struct inodev_entry **) create_table(&inodev_set.i_size, sizeof(void *)); -+ -+ if (!subj_map_set.s_hash || !acl_role_set.r_hash || -+ !name_set.n_hash || !inodev_set.i_hash) -+ return 1; -+ -+ memset(subj_map_set.s_hash, 0, -+ sizeof(struct subject_map *) * subj_map_set.s_size); -+ memset(acl_role_set.r_hash, 0, -+ sizeof (struct acl_role_label *) * acl_role_set.r_size); -+ memset(name_set.n_hash, 0, -+ sizeof (struct name_entry *) * name_set.n_size); -+ memset(inodev_set.i_hash, 0, -+ sizeof (struct inodev_entry *) * 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 (subj_map_set.s_hash) { -+ for (i = 0; i < subj_map_set.s_size; i++) { -+ if (subj_map_set.s_hash[i]) { -+ kfree(subj_map_set.s_hash[i]); -+ subj_map_set.s_hash[i] = NULL; -+ } -+ } -+ -+ if ((subj_map_set.s_size * sizeof (struct subject_map *)) <= -+ PAGE_SIZE) -+ kfree(subj_map_set.s_hash); -+ else -+ vfree(subj_map_set.s_hash); -+ } -+ -+ return; -+} -+ -+static void -+free_variables(void) -+{ -+ struct acl_subject_label *s; -+ struct acl_role_label *r; -+ struct task_struct *task, *task2; -+ unsigned int x; -+ -+ gr_clear_learn_entries(); -+ -+ read_lock(&tasklist_lock); -+ do_each_thread(task2, task) { -+ task->acl_sp_role = 0; -+ task->acl_role_id = 0; -+ task->acl = NULL; -+ task->role = NULL; -+ } while_each_thread(task2, task); -+ read_unlock(&tasklist_lock); -+ -+ /* release the reference to the real root dentry and vfsmount */ -+ path_put(&real_root); -+ memset(&real_root, 0, sizeof(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 (acl_role_set.r_hash) { -+ if ((acl_role_set.r_size * sizeof (struct acl_role_label *)) <= -+ PAGE_SIZE) -+ kfree(acl_role_set.r_hash); -+ else -+ vfree(acl_role_set.r_hash); -+ } -+ if (name_set.n_hash) { -+ if ((name_set.n_size * sizeof (struct name_entry *)) <= -+ PAGE_SIZE) -+ kfree(name_set.n_hash); -+ else -+ vfree(name_set.n_hash); -+ } -+ -+ if (inodev_set.i_hash) { -+ if ((inodev_set.i_size * sizeof (struct inodev_entry *)) <= -+ PAGE_SIZE) -+ kfree(inodev_set.i_hash); -+ else -+ vfree(inodev_set.i_hash); -+ } -+ -+ gr_free_uidset(); -+ -+ memset(&name_set, 0, sizeof (struct name_db)); -+ memset(&inodev_set, 0, sizeof (struct inodev_db)); -+ memset(&acl_role_set, 0, sizeof (struct acl_role_db)); -+ memset(&subj_map_set, 0, sizeof (struct acl_subj_map_db)); -+ -+ default_role = NULL; -+ kernel_role = NULL; -+ 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 */ -+ -+ num_sprole_pws = arg->num_sprole_pws; -+ acl_special_roles = (struct sprole_pw **) acl_alloc_num(num_sprole_pws, sizeof(struct sprole_pw *)); -+ -+ if (!acl_special_roles && num_sprole_pws) -+ return -ENOMEM; -+ -+ for (i = 0; i < 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 -+ -+ 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)) { -+ default_role = r_tmp; -+ } else if (!strcmp(r_tmp->rolename, ":::kernel:::")) { -+ 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 (default_role == NULL || kernel_role == NULL) -+ return -EINVAL; -+ -+ 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)) { -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_INITF_ACL_MSG, GR_VERSION); -+ error = -ENOMEM; -+ free_variables(); -+ goto out; -+ } -+ -+ error = copy_user_acl(args); -+ free_init_variables(); -+ if (error) { -+ free_variables(); -+ goto out; -+ } -+ -+ if ((error = gr_set_acls(0))) { -+ free_variables(); -+ goto out; -+ } -+ -+ pax_open_kernel(); -+ gr_status |= GR_READY; -+ pax_close_kernel(); -+ -+ out: -+ return error; -+} -+ -+/* 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 ino_t 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 __inline__ 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; -+ ino_t 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 = curr_dentry->d_inode->i_ino; -+ 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 mount *real_mnt = real_mount(mnt); -+ struct acl_object_label *retval; -+ struct dentry *parent; -+ -+ br_read_lock(&vfsmount_lock); -+ write_seqlock(&rename_lock); -+ -+ if (unlikely((mnt == shm_mnt && dentry->d_inode->i_nlink == 0) || mnt == pipe_mnt || -+#ifdef CONFIG_NET -+ mnt == sock_mnt || -+#endif -+#ifdef CONFIG_HUGETLBFS -+ (is_hugetlbfs_mnt(mnt) && dentry->d_inode->i_nlink == 0) || -+#endif -+ /* ignore Eric Biederman */ -+ IS_PRIVATE(l_dentry->d_inode))) { -+ retval = (subj->mode & GR_SHMEXEC) ? fakefs_obj_rwx : fakefs_obj_rw; -+ goto out; -+ } -+ -+ for (;;) { -+ if (dentry == real_root.dentry && mnt == 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); -+ -+ /* real_root is pinned so we don't have to hold a reference */ -+ if (retval == NULL) -+ retval = full_lookup(l_dentry, l_mnt, real_root.dentry, subj, &path, checkglob); -+out: -+ write_sequnlock(&rename_lock); -+ br_read_unlock(&vfsmount_lock); -+ -+ BUG_ON(retval == NULL); -+ -+ return retval; -+} -+ -+static __inline__ 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 __inline__ 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 __inline__ 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); -+} -+ -+static 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; -+ -+ br_read_lock(&vfsmount_lock); -+ write_seqlock(&rename_lock); -+ -+ for (;;) { -+ if (dentry == real_root.dentry && mnt == 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(dentry->d_inode->i_ino, -+ __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(dentry->d_inode->i_ino, -+ __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(dentry->d_inode->i_ino, -+ __get_dev(dentry), role); -+ read_unlock(&gr_inode_lock); -+ spin_unlock(&dentry->d_lock); -+ -+ if (unlikely(retval == NULL)) { -+ /* real_root is pinned, we don't need to hold a reference */ -+ read_lock(&gr_inode_lock); -+ retval = lookup_acl_subj_label(real_root.dentry->d_inode->i_ino, -+ __get_dev(real_root.dentry), role); -+ read_unlock(&gr_inode_lock); -+ } -+out: -+ write_sequnlock(&rename_lock); -+ br_read_unlock(&vfsmount_lock); -+ -+ BUG_ON(retval == NULL); -+ -+ return retval; -+} -+ -+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; -+} -+ -+__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) { -+ 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); -+ gr_apply_subject_to_task(task); -+ 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) -+{ -+ tsk->signal->used_accept = 0; -+ tsk->acl_sp_role = 0; -+ tsk->acl_role_id = current->acl_role_id; -+ tsk->acl = current->acl; -+ tsk->role = current->role; -+ tsk->signal->curr_ip = current->signal->curr_ip; -+ tsk->signal->saved_ip = current->signal->saved_ip; -+ if (current->exec_file) -+ get_file(current->exec_file); -+ tsk->exec_file = current->exec_file; -+ tsk->is_writable = current->is_writable; -+ if (unlikely(current->signal->used_accept)) { -+ current->signal->curr_ip = 0; -+ current->signal->saved_ip = 0; -+ } -+ -+ 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++) { -+ if (!(proc->resmask & (1U << i))) -+ continue; -+ -+ task->signal->rlim[i].rlim_cur = proc->res[i].rlim_cur; -+ task->signal->rlim[i].rlim_max = proc->res[i].rlim_max; -+ -+ if (i == RLIMIT_CPU) -+ update_rlimit_cpu(task, proc->res[i].rlim_cur); -+ } -+ -+ 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_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 = kernel_role; -+ task->acl = kernel_role->root_label; -+ return; -+ } else if (!task->role || !(task->role->roletype & GR_ROLE_SPECIAL)) -+ 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; -+ -+ /* 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 != task->role || (!(task->acl->mode & GR_INHERITLEARN) && -+ (subj == task->acl))) -+ task->acl = subj; -+ -+ task->role = role; -+ -+ 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, 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; -+ } else 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, 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 ino_t 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 ino_t 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 ino_t oldinode, const dev_t olddevice, -+ const ino_t 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 ino_t oldinode, const dev_t olddevice, -+ const ino_t 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 ino_t oldinode, const dev_t olddevice, -+ const ino_t newinode, const dev_t newdevice) -+{ -+ unsigned int index = gr_fhash(oldinode, olddevice, inodev_set.i_size); -+ struct inodev_entry *match; -+ -+ match = 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) { -+ 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, ino_t 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) -+{ -+ ino_t ino = dentry->d_inode->i_ino; -+ 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) -+{ -+ struct name_entry *matchn; -+ struct inodev_entry *inodev; -+ struct inode *inode = new_dentry->d_inode; -+ ino_t old_ino = old_dentry->d_inode->i_ino; -+ dev_t old_dev = __get_dev(old_dentry); -+ -+ /* 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)); -+ -+ /* we wouldn't have to check d_inode if it weren't for -+ NFS silly-renaming -+ */ -+ -+ write_lock(&gr_inode_lock); -+ if (unlikely(replace && inode)) { -+ ino_t new_ino = inode->i_ino; -+ dev_t new_dev = __get_dev(new_dentry); -+ -+ inodev = lookup_inodev_entry(new_ino, new_dev); -+ if (inodev != NULL && ((inode->i_nlink <= 1) || S_ISDIR(inode->i_mode))) -+ do_handle_delete(inodev, new_ino, new_dev); -+ } -+ -+ inodev = lookup_inodev_entry(old_ino, old_dev); -+ if (inodev != NULL && ((old_dentry->d_inode->i_nlink <= 1) || S_ISDIR(old_dentry->d_inode->i_mode))) -+ do_handle_delete(inodev, old_ino, old_dev); -+ -+ if (unlikely((unsigned long)matchn)) -+ do_handle_create(matchn, old_dentry, mnt); -+ -+ write_unlock(&gr_inode_lock); -+ preempt_enable(); -+ -+ return; -+} -+ -+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 < num_sprole_pws; i++) { -+ if (!strcmp(rolename, acl_special_roles[i]->rolename)) { -+ *salt = acl_special_roles[i]->salt; -+ *sum = acl_special_roles[i]->sum; -+ return 1; -+ } -+ } -+ -+ return 0; -+} -+ -+static void -+assign_special_role(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->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, 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; -+} -+ -+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; -+ 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; -+ -+ 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++) { -+ file = fcheck_files(files, i); -+ if (file && S_ISCHR(file->f_path.dentry->d_inode->i_mode) && -+ file->f_path.dentry->d_inode->i_rdev == our_file->f_path.dentry->d_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; -+} -+ -+static int gr_rbac_disable(void *unused) -+{ -+ pax_open_kernel(); -+ gr_status &= ~GR_READY; -+ pax_close_kernel(); -+ -+ return 0; -+} -+ -+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; -+ -+ mutex_lock(&gr_dev_mutex); -+ -+ if ((gr_status & GR_READY) && !(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_status & GR_READY) { -+ error = 1; -+ if (!gr_check_secure_terminal(current)) -+ error = 3; -+ } else -+ error = 2; -+ goto out; -+ case GR_SHUTDOWN: -+ if ((gr_status & GR_READY) -+ && !(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) { -+ stop_machine(gr_rbac_disable, NULL, NULL); -+ free_variables(); -+ 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_status & GR_READY) { -+ 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_status & GR_READY) && !(error2 = gracl_init(gr_usermode))) -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_ENABLE_ACL_MSG, GR_VERSION); -+ else { -+ if (gr_status & GR_READY) -+ error = -EAGAIN; -+ else -+ error = error2; -+ gr_log_str(GR_DONT_AUDIT, GR_ENABLEF_ACL_MSG, GR_VERSION); -+ } -+ break; -+ case GR_RELOAD: -+ if (!(gr_status & GR_READY)) { -+ 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))) { -+ stop_machine(gr_rbac_disable, NULL, NULL); -+ free_variables(); -+ error2 = gracl_init(gr_usermode); -+ 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_status & GR_READY))) { -+ 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_status & GR_READY))) { -+ 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_status & GR_READY))) { -+ 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; -+} -+ -+/* must be called with -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+*/ -+int gr_apply_subject_to_task(struct task_struct *task) -+{ -+ struct acl_object_label *obj; -+ char *tmpname; -+ struct acl_subject_label *tmpsubj; -+ struct file *filp; -+ struct name_entry *nmatch; -+ -+ filp = task->exec_file; -+ if (filp == NULL) -+ return 0; -+ -+ /* 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. -+ */ -+ preempt_disable(); -+ tmpname = gr_to_filename_rbac(filp->f_path.dentry, filp->f_path.mnt); -+ -+ nmatch = lookup_name_entry(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); -+ if (tmpsubj != NULL) -+ task->acl = tmpsubj; -+ } -+ if (tmpsubj == NULL) -+ task->acl = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, -+ task->role); -+ if (task->acl) { -+ 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, 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 -+ } else { -+ return 1; -+ } -+ -+ return 0; -+} -+ -+int -+gr_set_acls(const int type) -+{ -+ struct task_struct *task, *task2; -+ struct acl_role_label *role = current->role; -+ __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; -+ -+ if (task->exec_file) { -+ cred = __task_cred(task); -+ task->role = lookup_acl_role_label(task, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid)); -+ ret = gr_apply_subject_to_task(task); -+ if (ret) { -+ 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; -+ } -+ } else { -+ // it's a kernel process -+ task->role = kernel_role; -+ task->acl = 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; -+} -+ -+#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(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; -+ -+ if (gr_status & GR_READY && !(task->acl->mode & GR_OVERRIDE) && -+ !task->is_writable && S_ISREG(filp->f_path.dentry->d_inode->i_mode) && (filp->f_path.mnt != shm_mnt || (filp->f_path.dentry->d_inode->i_nlink > 0))) { -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label); -+ obj2 = chk_obj_label(filp->f_path.dentry, filp->f_path.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, filp->f_path.dentry, filp->f_path.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; -+ unsigned long cputime; -+ unsigned int wday, cday; -+ __u8 whr, chr; -+ __u8 wmin, cmin; -+ __u8 wsec, csec; -+ struct timespec timeval; -+ -+ if (unlikely(!(gr_status & GR_READY) || !task->acl || -+ !(task->acl->mode & GR_PROCACCT))) -+ return; -+ -+ do_posix_clock_monotonic_gettime(&timeval); -+ runtime = timeval.tv_sec - task->start_time.tv_sec; -+ wday = runtime / (3600 * 24); -+ runtime -= wday * (3600 * 24); -+ whr = runtime / 3600; -+ runtime -= whr * 3600; -+ wmin = runtime / 60; -+ runtime -= wmin * 60; -+ wsec = runtime; -+ -+ cputime = (task->utime + task->stime) / HZ; -+ cday = cputime / (3600 * 24); -+ cputime -= cday * (3600 * 24); -+ chr = cputime / 3600; -+ cputime -= chr * 3600; -+ 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; -+} -+ -+void gr_set_kernel_label(struct task_struct *task) -+{ -+ if (gr_status & GR_READY) { -+ task->role = kernel_role; -+ task->acl = kernel_role->root_label; -+ } -+ 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 ino_t 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(dentry->d_inode)) -+ 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(gr_acl_is_enabled); -+#endif -+EXPORT_SYMBOL(gr_set_kernel_label); -+#ifdef CONFIG_SECURITY -+EXPORT_SYMBOL(gr_check_user_change); -+EXPORT_SYMBOL(gr_check_group_change); -+#endif -+ -diff --git a/grsecurity/gracl_alloc.c b/grsecurity/gracl_alloc.c -new file mode 100644 -index 0000000..34fefda ---- /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 unsigned long alloc_stack_next = 1; -+static unsigned long alloc_stack_size = 1; -+static void **alloc_stack; -+ -+static __inline__ int -+alloc_pop(void) -+{ -+ if (alloc_stack_next == 1) -+ return 0; -+ -+ kfree(alloc_stack[alloc_stack_next - 2]); -+ -+ alloc_stack_next--; -+ -+ return 1; -+} -+ -+static __inline__ int -+alloc_push(void *buf) -+{ -+ if (alloc_stack_next >= alloc_stack_size) -+ return 1; -+ -+ alloc_stack[alloc_stack_next - 1] = buf; -+ -+ 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 (gr_acl_is_enabled() || !alloc_stack) -+ return; -+ -+ while (alloc_pop()) ; -+ -+ if (alloc_stack) { -+ if ((alloc_stack_size * sizeof (void *)) <= PAGE_SIZE) -+ kfree(alloc_stack); -+ else -+ vfree(alloc_stack); -+ } -+ -+ alloc_stack = NULL; -+ alloc_stack_size = 1; -+ alloc_stack_next = 1; -+ -+ return; -+} -+ -+int -+acl_alloc_stack_init(unsigned long size) -+{ -+ if ((size * sizeof (void *)) <= PAGE_SIZE) -+ alloc_stack = -+ (void **) kmalloc(size * sizeof (void *), GFP_KERNEL); -+ else -+ alloc_stack = (void **) vmalloc(size * sizeof (void *)); -+ -+ alloc_stack_size = size; -+ -+ if (!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..bdd51ea ---- /dev/null -+++ b/grsecurity/gracl_cap.c -@@ -0,0 +1,110 @@ -+#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_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; -+ } -+ -+ curracl = task->acl; -+ -+ if ((curracl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ && cap_raised(cred->cap_effective, cap)) { -+ 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; -+ } -+ -+ 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..a340c17 ---- /dev/null -+++ b/grsecurity/gracl_fs.c -@@ -0,0 +1,431 @@ -+#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(!dentry->d_inode)) -+ 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(!dentry->d_inode)) -+ return reqmode; -+ -+ if (acc_mode & MAY_APPEND) -+ reqmode |= GR_APPEND; -+ else if (acc_mode & MAY_WRITE) -+ reqmode |= GR_WRITE; -+ if ((acc_mode & MAY_READ) && !S_ISDIR(dentry->d_inode->i_mode)) -+ 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) || (dentry->d_inode && S_ISDIR(dentry->d_inode->i_mode)))) -+ 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) && !S_ISDIR(dentry->d_inode->i_mode)) -+ 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; -+ -+ *modeptr &= ~gr_acl_umask(); -+ mode = *modeptr; -+ -+ if (unlikely(dentry->d_inode && S_ISSOCK(dentry->d_inode->i_mode))) -+ return 1; -+ -+ if (unlikely(dentry->d_inode && !S_ISDIR(dentry->d_inode->i_mode) && -+ ((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_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) -+{ -+ __u32 comp1, comp2; -+ int error = 0; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ if (!new_dentry->d_inode) { -+ 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) -+ return -EACCES; -+ -+ return 0; -+} -diff --git a/grsecurity/gracl_ip.c b/grsecurity/gracl_ip.c -new file mode 100644 -index 0000000..8132048 ---- /dev/null -+++ b/grsecurity/gracl_ip.c -@@ -0,0 +1,387 @@ -+#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" -+ }; -+ -+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]; -+} -+ -+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 -+#ifndef CONFIG_IPV6 -+ if (domain != PF_INET6) -+#endif -+ 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_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..3c38bfe ---- /dev/null -+++ b/grsecurity/gracl_segv.c -@@ -0,0 +1,305 @@ -+#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 ino_t inode, const dev_t dev, -+ struct acl_role_label *role); -+ -+static inline dev_t __get_dev(const struct dentry *dentry) -+{ -+#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE) -+ if (dentry->d_sb->s_magic == BTRFS_SUPER_MAGIC) -+ return BTRFS_I(dentry->d_inode)->root->anon_dev; -+ else -+#endif -+ return dentry->d_sb->s_dev; -+} -+ -+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) -+ kfree(uid_set); -+ -+ 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 __inline__ 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 __inline__ 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 __inline__ 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; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ read_lock(&gr_inode_lock); -+ curr = lookup_acl_subj_label(filp->f_path.dentry->d_inode->i_ino, -+ __get_dev(filp->f_path.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..98011b0 ---- /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 time_t 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_eq((unsigned long)task->start_time.tv_sec, (unsigned long)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..bd6e105 ---- /dev/null -+++ b/grsecurity/grsec_chroot.c -@@ -0,0 +1,370 @@ -+#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 -+static int gr_init_ran; -+#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(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_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const time_t shm_createtime) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT -+ struct task_struct *p; -+ time_t starttime; -+ -+ 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))) { -+ starttime = p->start_time.tv_sec; -+ if (time_before_eq((unsigned long)starttime, (unsigned long)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 && !S_ISDIR(dentry->d_inode->i_mode) && -+ ((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..ce65ceb ---- /dev/null -+++ b/grsecurity/grsec_disabled.c -@@ -0,0 +1,434 @@ -+#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; -+} -+ -+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 ino_t 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) -+{ -+ 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; -+} -+ -+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) -+{ -+ return 0; -+} -+ -+int -+gr_acl_handle_filldir(const struct file *file, const char *name, -+ const int namelen, const ino_t ino) -+{ -+ return 1; -+} -+ -+int -+gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const time_t 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; -+} -+ -+void -+gr_set_kernel_label(struct task_struct *task) -+{ -+ return; -+} -+ -+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 dentry->d_sb->s_dev; -+} -+ -+void gr_put_exec_file(struct task_struct *task) -+{ -+ return; -+} -+ -+EXPORT_SYMBOL(gr_set_kernel_label); -+#ifdef CONFIG_SECURITY -+EXPORT_SYMBOL(gr_check_user_change); -+EXPORT_SYMBOL(gr_check_group_change); -+#endif -diff --git a/grsecurity/grsec_exec.c b/grsecurity/grsec_exec.c -new file mode 100644 -index 0000000..387032b ---- /dev/null -+++ b/grsecurity/grsec_exec.c -@@ -0,0 +1,187 @@ -+#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" -+}; -+ -+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(gr_is_capable); -+EXPORT_SYMBOL(gr_is_capable_nolog); -+EXPORT_SYMBOL(gr_task_is_capable); -+EXPORT_SYMBOL(gr_task_is_capable_nolog); -diff --git a/grsecurity/grsec_fifo.c b/grsecurity/grsec_fifo.c -new file mode 100644 -index 0000000..06cc6ea ---- /dev/null -+++ b/grsecurity/grsec_fifo.c -@@ -0,0 +1,24 @@ -+#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(); -+ -+ if (grsec_enable_fifo && S_ISFIFO(dentry->d_inode->i_mode) && -+ !(flag & O_EXCL) && (dir->d_inode->i_mode & S_ISVTX) && -+ !uid_eq(dentry->d_inode->i_uid, dir->d_inode->i_uid) && -+ !uid_eq(cred->fsuid, dentry->d_inode->i_uid)) { -+ if (!inode_permission(dentry->d_inode, acc_mode)) -+ gr_log_fs_int2(GR_DONT_AUDIT, GR_FIFO_MSG, dentry, mnt, GR_GLOBAL_UID(dentry->d_inode->i_uid), GR_GLOBAL_GID(dentry->d_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..836f38f ---- /dev/null -+++ b/grsecurity/grsec_init.c -@@ -0,0 +1,280 @@ -+#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; -+int grsec_enable_setxid; -+int grsec_enable_symlinkown; -+kgid_t grsec_symlinkown_gid; -+int grsec_enable_brute; -+int grsec_enable_link; -+int grsec_enable_dmesg; -+int grsec_enable_harden_ptrace; -+int grsec_enable_fifo; -+int grsec_enable_execlog; -+int grsec_enable_signal; -+int grsec_enable_forkfail; -+int grsec_enable_audit_ptrace; -+int grsec_enable_time; -+int grsec_enable_group; -+kgid_t grsec_audit_gid; -+int grsec_enable_chdir; -+int grsec_enable_mount; -+int grsec_enable_rofs; -+int grsec_deny_new_usb; -+int grsec_enable_chroot_findtask; -+int grsec_enable_chroot_mount; -+int grsec_enable_chroot_shmat; -+int grsec_enable_chroot_fchdir; -+int grsec_enable_chroot_double; -+int grsec_enable_chroot_pivot; -+int grsec_enable_chroot_chdir; -+int grsec_enable_chroot_chmod; -+int grsec_enable_chroot_mknod; -+int grsec_enable_chroot_nice; -+int grsec_enable_chroot_execlog; -+int grsec_enable_chroot_caps; -+int grsec_enable_chroot_sysctl; -+int grsec_enable_chroot_unix; -+int grsec_enable_tpe; -+kgid_t grsec_tpe_gid; -+int grsec_enable_blackhole; -+#ifdef CONFIG_IPV6_MODULE -+EXPORT_SYMBOL(grsec_enable_blackhole); -+#endif -+int grsec_lastack_retries; -+int grsec_enable_tpe_all; -+int grsec_enable_tpe_invert; -+int grsec_enable_socket_all; -+kgid_t grsec_socket_all_gid; -+int grsec_enable_socket_client; -+kgid_t grsec_socket_client_gid; -+int grsec_enable_socket_server; -+kgid_t grsec_socket_server_gid; -+int grsec_resource_logging; -+int grsec_disable_privio; -+int grsec_enable_log_rwxmaps; -+int grsec_lock; -+ -+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_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_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 -+ -+ return; -+} -diff --git a/grsecurity/grsec_link.c b/grsecurity/grsec_link.c -new file mode 100644 -index 0000000..5e05e20 ---- /dev/null -+++ b/grsecurity/grsec_link.c -@@ -0,0 +1,58 @@ -+#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 = link->dentry->d_inode; -+ -+ 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 inode *parent, -+ const struct inode *inode, -+ const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_LINK -+ const struct cred *cred = current_cred(); -+ -+ if (grsec_enable_link && S_ISLNK(inode->i_mode) && -+ (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, -+ struct inode *inode, const int mode, const struct filename *to) -+{ -+#ifdef CONFIG_GRKERNSEC_LINK -+ const struct cred *cred = current_cred(); -+ -+ if (grsec_enable_link && !uid_eq(cred->fsuid, inode->i_uid) && -+ (!S_ISREG(mode) || 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..f536303 ---- /dev/null -+++ b/grsecurity/grsec_mem.c -@@ -0,0 +1,40 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/mman.h> -+#include <linux/grinternal.h> -+ -+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..2131422 ---- /dev/null -+++ b/grsecurity/grsec_mount.c -@@ -0,0 +1,62 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mount.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, const char *to, const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ if (grsec_enable_mount && (retval >= 0)) -+ gr_log_str_str(GR_DO_AUDIT, GR_MOUNT_AUDIT_MSG, from ? from : "none", to); -+#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 -+ if (grsec_enable_rofs && (acc_mode & MAY_WRITE) && -+ dentry->d_inode && S_ISBLK(dentry->d_inode->i_mode)) { -+ 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_ptrace.c b/grsecurity/grsec_ptrace.c -new file mode 100644 -index 0000000..f7f29aa ---- /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(dentry->d_inode, 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..4e29cc7 ---- /dev/null -+++ b/grsecurity/grsec_sig.c -@@ -0,0 +1,246 @@ -+#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 -+ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+#define GR_USER_BAN_TIME (15 * 60) -+#define GR_DAEMON_BRUTE_TIME (30 * 60) -+ -+static int __get_dumpable(unsigned long mm_flags) -+{ -+ int ret; -+ -+ ret = mm_flags & MMF_DUMPABLE_MASK; -+ return (ret >= 2) ? 2 : ret; -+} -+#endif -+ -+void gr_handle_brute_attach(unsigned long mm_flags) -+{ -+#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 (!__get_dumpable(mm_flags) && 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..4030d57 ---- /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(gr_search_udp_recvmsg); -+EXPORT_SYMBOL(gr_search_udp_sendmsg); -+ -+#ifdef CONFIG_UNIX_MODULE -+EXPORT_SYMBOL(gr_acl_handle_unix); -+EXPORT_SYMBOL(gr_acl_handle_mknod); -+EXPORT_SYMBOL(gr_handle_chroot_unix); -+EXPORT_SYMBOL(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 __inline__ int -+conn_hash(__u32 saddr, __u32 daddr, __u16 sport, __u16 dport, unsigned int size) -+{ -+ return ((daddr + saddr + (sport << 8) + (dport << 16)) % size); -+} -+ -+static __inline__ 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(struct task_struct *task, const struct inet_sock *inet) -+{ -+#ifdef CONFIG_GRKERNSEC -+ struct signal_struct *sig = task->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..301c665 ---- /dev/null -+++ b/grsecurity/grsec_sysctl.c -@@ -0,0 +1,471 @@ -+#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; -+} -+ -+#ifdef CONFIG_GRKERNSEC_ROFS -+static int __maybe_unused one = 1; -+#endif -+ -+#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS) -+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, -+ }, -+#endif -+#endif -+#ifdef CONFIG_GRKERNSEC_LINK -+ { -+ .procname = "linking_restrictions", -+ .data = &grsec_enable_link, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SYMLINKOWN -+ { -+ .procname = "enforce_symlinksifowner", -+ .data = &grsec_enable_symlinkown, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "symlinkown_gid", -+ .data = &grsec_symlinkown_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ { -+ .procname = "deter_bruteforce", -+ .data = &grsec_enable_brute, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_FIFO -+ { -+ .procname = "fifo_restrictions", -+ .data = &grsec_enable_fifo, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC -+ { -+ .procname = "ptrace_readexec", -+ .data = &grsec_enable_ptrace_readexec, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SETXID -+ { -+ .procname = "consistent_setxid", -+ .data = &grsec_enable_setxid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ { -+ .procname = "ip_blackhole", -+ .data = &grsec_enable_blackhole, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "lastack_retries", -+ .data = &grsec_lastack_retries, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+ { -+ .procname = "exec_logging", -+ .data = &grsec_enable_execlog, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ { -+ .procname = "rwxmap_logging", -+ .data = &grsec_enable_log_rwxmaps, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SIGNAL -+ { -+ .procname = "signal_logging", -+ .data = &grsec_enable_signal, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_FORKFAIL -+ { -+ .procname = "forkfail_logging", -+ .data = &grsec_enable_forkfail, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TIME -+ { -+ .procname = "timechange_logging", -+ .data = &grsec_enable_time, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT -+ { -+ .procname = "chroot_deny_shmat", -+ .data = &grsec_enable_chroot_shmat, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX -+ { -+ .procname = "chroot_deny_unix", -+ .data = &grsec_enable_chroot_unix, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT -+ { -+ .procname = "chroot_deny_mount", -+ .data = &grsec_enable_chroot_mount, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ { -+ .procname = "chroot_deny_fchdir", -+ .data = &grsec_enable_chroot_fchdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE -+ { -+ .procname = "chroot_deny_chroot", -+ .data = &grsec_enable_chroot_double, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT -+ { -+ .procname = "chroot_deny_pivot", -+ .data = &grsec_enable_chroot_pivot, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR -+ { -+ .procname = "chroot_enforce_chdir", -+ .data = &grsec_enable_chroot_chdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD -+ { -+ .procname = "chroot_deny_chmod", -+ .data = &grsec_enable_chroot_chmod, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD -+ { -+ .procname = "chroot_deny_mknod", -+ .data = &grsec_enable_chroot_mknod, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ { -+ .procname = "chroot_restrict_nice", -+ .data = &grsec_enable_chroot_nice, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG -+ { -+ .procname = "chroot_execlog", -+ .data = &grsec_enable_chroot_execlog, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ { -+ .procname = "chroot_caps", -+ .data = &grsec_enable_chroot_caps, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL -+ { -+ .procname = "chroot_deny_sysctl", -+ .data = &grsec_enable_chroot_sysctl, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE -+ { -+ .procname = "tpe", -+ .data = &grsec_enable_tpe, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "tpe_gid", -+ .data = &grsec_tpe_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE_INVERT -+ { -+ .procname = "tpe_invert", -+ .data = &grsec_enable_tpe_invert, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE_ALL -+ { -+ .procname = "tpe_restrict_all", -+ .data = &grsec_enable_tpe_all, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL -+ { -+ .procname = "socket_all", -+ .data = &grsec_enable_socket_all, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "socket_all_gid", -+ .data = &grsec_socket_all_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT -+ { -+ .procname = "socket_client", -+ .data = &grsec_enable_socket_client, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "socket_client_gid", -+ .data = &grsec_socket_client_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ { -+ .procname = "socket_server", -+ .data = &grsec_enable_socket_server, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "socket_server_gid", -+ .data = &grsec_socket_server_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP -+ { -+ .procname = "audit_group", -+ .data = &grsec_enable_group, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "audit_gid", -+ .data = &grsec_audit_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR -+ { -+ .procname = "audit_chdir", -+ .data = &grsec_enable_chdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ { -+ .procname = "audit_mount", -+ .data = &grsec_enable_mount, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_DMESG -+ { -+ .procname = "dmesg", -+ .data = &grsec_enable_dmesg, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ { -+ .procname = "chroot_findtask", -+ .data = &grsec_enable_chroot_findtask, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_RESLOG -+ { -+ .procname = "resource_logging", -+ .data = &grsec_resource_logging, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE -+ { -+ .procname = "audit_ptrace", -+ .data = &grsec_enable_audit_ptrace, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ { -+ .procname = "harden_ptrace", -+ .data = &grsec_enable_harden_ptrace, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+ { -+ .procname = "grsec_lock", -+ .data = &grsec_lock, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_ROFS -+ { -+ .procname = "romount_protect", -+ .data = &grsec_enable_rofs, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_minmax, -+ .extra1 = &one, -+ .extra2 = &one, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_DENYUSB -+ { -+ .procname = "deny_new_usb", -+ .data = &grsec_deny_new_usb, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_minmax, -+ .extra1 = &one, -+ .extra2 = &one, -+ }, -+#endif -+ { } -+}; -+#endif -diff --git a/grsecurity/grsec_time.c b/grsecurity/grsec_time.c -new file mode 100644 -index 0000000..0dc13c3 ---- /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(gr_log_timechange); -diff --git a/grsecurity/grsec_tpe.c b/grsecurity/grsec_tpe.c -new file mode 100644 -index 0000000..ee57dcf ---- /dev/null -+++ b/grsecurity/grsec_tpe.c -@@ -0,0 +1,73 @@ -+#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 = file->f_path.dentry->d_parent->d_inode; -+ 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"; -+ -+ 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"; -+ -+ 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..9f7b1ac ---- /dev/null -+++ b/grsecurity/grsum.c -@@ -0,0 +1,61 @@ -+#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) -+{ -+ char *p; -+ struct crypto_hash *tfm; -+ struct hash_desc desc; -+ struct scatterlist sg; -+ unsigned char temp_sum[GR_SHA_LEN]; -+ volatile int retval = 0; -+ volatile int dummy = 0; -+ unsigned int i; -+ -+ sg_init_table(&sg, 1); -+ -+ tfm = crypto_alloc_hash("sha256", 0, CRYPTO_ALG_ASYNC); -+ if (IS_ERR(tfm)) { -+ /* should never happen, since sha256 should be built in */ -+ return 1; -+ } -+ -+ desc.tfm = tfm; -+ desc.flags = 0; -+ -+ crypto_hash_init(&desc); -+ -+ p = salt; -+ sg_set_buf(&sg, p, GR_SALT_LEN); -+ crypto_hash_update(&desc, &sg, sg.length); -+ -+ p = entry->pw; -+ sg_set_buf(&sg, p, strlen(p)); -+ -+ crypto_hash_update(&desc, &sg, sg.length); -+ -+ crypto_hash_final(&desc, temp_sum); -+ -+ memset(entry->pw, 0, GR_PW_LEN); -+ -+ for (i = 0; i < GR_SHA_LEN; i++) -+ if (sum[i] != temp_sum[i]) -+ retval = 1; -+ else -+ dummy = 1; // waste a cycle -+ -+ crypto_free_hash(tfm); -+ -+ return retval; -+} -diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h -index 77ff547..181834f 100644 ---- a/include/asm-generic/4level-fixup.h -+++ b/include/asm-generic/4level-fixup.h -@@ -13,8 +13,10 @@ - #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..04ad282 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; -@@ -101,6 +161,15 @@ static inline long atomic_long_add_return(long i, atomic_long_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; -@@ -218,6 +356,16 @@ static inline long atomic_long_add_return(long i, atomic_long_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/atomic.h b/include/asm-generic/atomic.h -index 33bd2de..f31bff97 100644 ---- a/include/asm-generic/atomic.h -+++ b/include/asm-generic/atomic.h -@@ -153,7 +153,7 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - * Atomically clears the bits set in @mask from @v - */ - #ifndef atomic_clear_mask --static inline void atomic_clear_mask(unsigned long mask, atomic_t *v) -+static inline void atomic_clear_mask(unsigned int mask, atomic_t *v) - { - unsigned long flags; - -diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h -index b18ce4f..2ee2843 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); -@@ -39,4 +41,14 @@ 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/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 a59ff51..2594a70 100644 ---- a/include/asm-generic/pgtable.h -+++ b/include/asm-generic/pgtable.h -@@ -688,6 +688,14 @@ static inline pmd_t pmd_mknuma(pmd_t pmd) - } - #endif /* CONFIG_NUMA_BALANCING */ - -+#ifndef __HAVE_ARCH_PAX_OPEN_KERNEL -+static inline unsigned long pax_open_kernel(void) { return 0; } -+#endif -+ -+#ifndef __HAVE_ARCH_PAX_CLOSE_KERNEL -+static inline unsigned long pax_close_kernel(void) { return 0; } -+#endif -+ - #endif /* CONFIG_MMU */ - - #endif /* !__ASSEMBLY__ */ -diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h -index c184aa8..d049942 100644 ---- a/include/asm-generic/uaccess.h -+++ b/include/asm-generic/uaccess.h -@@ -343,4 +343,12 @@ clear_user(void __user *to, unsigned long n) - return __clear_user(to, n); - } - -+#ifndef __HAVE_ARCH_PAX_OPEN_USERLAND -+//static inline unsigned long pax_open_userland(void) { return 0; } -+#endif -+ -+#ifndef __HAVE_ARCH_PAX_CLOSE_USERLAND -+//static inline unsigned long pax_close_userland(void) { return 0; } -+#endif -+ - #endif /* __ASM_GENERIC_UACCESS_H */ -diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h -index eb58d2d..df131bf 100644 ---- a/include/asm-generic/vmlinux.lds.h -+++ b/include/asm-generic/vmlinux.lds.h -@@ -239,6 +239,7 @@ - .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) = .; \ -@@ -749,17 +750,18 @@ - * 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 418d270..bfd2794 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 63d17ee..716de2b 100644 ---- a/include/drm/drmP.h -+++ b/include/drm/drmP.h -@@ -72,6 +72,7 @@ - #include <linux/workqueue.h> - #include <linux/poll.h> - #include <asm/pgalloc.h> -+#include <asm/local.h> - #include <drm/drm.h> - #include <drm/drm_sarea.h> - -@@ -296,10 +297,12 @@ do { \ - * \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) -@@ -314,10 +317,10 @@ 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; - unsigned int cmd_drv; - const char *name; --}; -+} __do_const; - - /** - * Creates a driver or general drm_ioctl_desc array entry for the given -@@ -1015,7 +1018,7 @@ 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; - - /** - * debugfs node structure. This structure represents a debugfs file. -@@ -1088,7 +1091,7 @@ struct drm_device { - - /** \name Usage Counters */ - /*@{ */ -- int open_count; /**< Outstanding files open */ -+ local_t open_count; /**< Outstanding files open */ - atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ - atomic_t vma_count; /**< Outstanding vma areas open */ - int buf_use; /**< Buffers in use -- cannot alloc */ -@@ -1099,7 +1102,7 @@ struct drm_device { - /*@{ */ - unsigned long counters; - enum drm_stat_type types[15]; -- atomic_t counts[15]; -+ atomic_unchecked_t counts[15]; - /*@} */ - - struct list_head filelist; -diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h -index f43d556..94d9343 100644 ---- a/include/drm/drm_crtc_helper.h -+++ b/include/drm/drm_crtc_helper.h -@@ -109,7 +109,7 @@ struct drm_encoder_helper_funcs { - struct drm_connector *connector); - /* disable encoder when not in use - more explicit than dpms off */ - void (*disable)(struct drm_encoder *encoder); --}; -+} __no_const; - - /** - * drm_connector_helper_funcs - helper operations for connectors -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/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/binfmts.h b/include/linux/binfmts.h -index 70cf138..0418ee2 100644 ---- a/include/linux/binfmts.h -+++ b/include/linux/binfmts.h -@@ -73,8 +73,10 @@ 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; - - extern void __register_binfmt(struct linux_binfmt *fmt, int insert); - -diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h -index 2fdb4a4..54aad7e 100644 ---- a/include/linux/blkdev.h -+++ b/include/linux/blkdev.h -@@ -1526,7 +1526,7 @@ 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 7c2e030..b72475d 100644 ---- a/include/linux/blktrace_api.h -+++ b/include/linux/blktrace_api.h -@@ -23,7 +23,7 @@ struct blk_trace { - struct dentry *dir; - struct dentry *dropped_file; - struct dentry *msg_file; -- 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 4c57065..4307975 100644 ---- a/include/linux/cache.h -+++ b/include/linux/cache.h -@@ -16,6 +16,10 @@ - #define __read_mostly - #endif - -+#ifndef __read_only -+#define __read_only __read_mostly -+#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 d9a4f7f4..19f77d6 100644 ---- a/include/linux/capability.h -+++ b/include/linux/capability.h -@@ -213,8 +213,13 @@ extern bool ns_capable(struct user_namespace *ns, int cap); - extern bool nsown_capable(int cap); - extern bool inode_capable(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); -+extern bool inode_capable_nolog(const struct inode *inode, 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 4ce9056..86caac6 100644 ---- a/include/linux/cleancache.h -+++ b/include/linux/cleancache.h -@@ -31,7 +31,7 @@ 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 struct cleancache_ops * - cleancache_register_ops(struct cleancache_ops *ops); -diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h -index 1186098..f87e53d 100644 ---- a/include/linux/clk-provider.h -+++ b/include/linux/clk-provider.h -@@ -132,6 +132,7 @@ struct clk_ops { - unsigned long); - void (*init)(struct clk_hw *hw); - }; -+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 -diff --git a/include/linux/compat.h b/include/linux/compat.h -index 7f0c1dd..206ac34 100644 ---- a/include/linux/compat.h -+++ b/include/linux/compat.h -@@ -312,7 +312,7 @@ 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); -@@ -419,7 +419,7 @@ 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 *, size_t); - /* -@@ -669,6 +669,7 @@ asmlinkage long compat_sys_sigaltstack(const compat_stack_t __user *uss_ptr, - - int compat_restore_altstack(const compat_stack_t __user *uss); - int __compat_save_altstack(compat_stack_t __user *, unsigned long); -+void __compat_save_altstack_ex(compat_stack_t __user *, unsigned long); - - asmlinkage long compat_sys_sched_rr_get_interval(compat_pid_t pid, - struct compat_timespec __user *interval); -diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h -index 842de22..7f3a41f 100644 ---- a/include/linux/compiler-gcc4.h -+++ b/include/linux/compiler-gcc4.h -@@ -39,9 +39,29 @@ - # 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 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 -+ - /* - * 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 92669cd..1771a15 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__. */ -@@ -275,6 +297,26 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); - # define __attribute_const__ /* unimplemented */ - #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 -+ - /* - * Tell gcc if a function is cold. The compiler will assume any path - * directly leading to the call is unlikely. -@@ -284,6 +326,22 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); - #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))) -@@ -349,7 +407,8 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); - * use is to mediate communication between process-level code and irq/NMI - * handlers, all running on the same CPU. - */ --#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) -+#define ACCESS_ONCE(x) (*(volatile const typeof(x) *)&(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 33f0280..35c6568 100644 ---- a/include/linux/completion.h -+++ b/include/linux/completion.h -@@ -79,15 +79,15 @@ static inline void init_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_killable(struct completion *x) __intentional_overflow(-1); - extern unsigned long wait_for_completion_timeout(struct completion *x, - unsigned long timeout); - extern unsigned long wait_for_completion_io_timeout(struct completion *x, - unsigned long timeout); - 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..d94bbbc 100644 ---- a/include/linux/configfs.h -+++ b/include/linux/configfs.h -@@ -125,7 +125,7 @@ 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 9f3c7e8..a18c7b6 100644 ---- a/include/linux/cpu.h -+++ b/include/linux/cpu.h -@@ -115,7 +115,7 @@ enum { - /* Need to know about CPUs going up/down? */ - #if defined(CONFIG_HOTPLUG_CPU) || !defined(MODULE) - #define cpu_notifier(fn, pri) { \ -- static struct notifier_block fn##_nb __cpuinitdata = \ -+ static struct notifier_block fn##_nb = \ - { .notifier_call = fn, .priority = pri }; \ - register_cpu_notifier(&fn##_nb); \ - } -diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h -index 037d36a..ca5fe6e 100644 ---- a/include/linux/cpufreq.h -+++ b/include/linux/cpufreq.h -@@ -262,7 +262,7 @@ struct cpufreq_driver { - int (*suspend) (struct cpufreq_policy *policy); - int (*resume) (struct cpufreq_policy *policy); - struct freq_attr **attr; --}; -+} __do_const; - - /* flags */ - -@@ -321,6 +321,7 @@ 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 = \ -diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h -index 8f04062..900239a 100644 ---- a/include/linux/cpuidle.h -+++ b/include/linux/cpuidle.h -@@ -52,7 +52,8 @@ struct cpuidle_state { - int index); - - int (*enter_dead) (struct cpuidle_device *dev, int index); --}; -+} __do_const; -+typedef struct cpuidle_state __no_const cpuidle_state_no_const; - - /* Idle State Flags */ - #define CPUIDLE_FLAG_TIME_VALID (0x01) /* is residency time measurable? */ -@@ -191,7 +192,7 @@ struct cpuidle_governor { - void (*reflect) (struct cpuidle_device *dev, int index); - - struct module *owner; --}; -+} __do_const; - - #ifdef CONFIG_CPU_IDLE - -diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h -index d08e4d2..95fad61 100644 ---- a/include/linux/cpumask.h -+++ b/include/linux/cpumask.h -@@ -118,17 +118,17 @@ 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) - { -@@ -167,7 +167,7 @@ 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) -@@ -182,7 +182,7 @@ 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) -@@ -190,7 +190,7 @@ 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); - - /** -diff --git a/include/linux/cred.h b/include/linux/cred.h -index 04421e8..6bce4ef 100644 ---- a/include/linux/cred.h -+++ b/include/linux/cred.h -@@ -194,6 +194,9 @@ 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 - - /** -diff --git a/include/linux/crypto.h b/include/linux/crypto.h -index b92eadf..b4ecdc1 100644 ---- a/include/linux/crypto.h -+++ b/include/linux/crypto.h -@@ -373,7 +373,7 @@ 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); -@@ -394,13 +394,13 @@ 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/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 fe8c447..bdc1f33 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 c0a1261..dba7569 100644 ---- a/include/linux/device.h -+++ b/include/linux/device.h -@@ -290,7 +290,7 @@ 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); -@@ -473,7 +473,7 @@ struct device_type { - void (*release)(struct device *dev); - - const struct dev_pm_ops *pm; --}; -+} __do_const; - - /* interface for exporting device attributes */ - struct device_attribute { -@@ -483,11 +483,12 @@ 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); -diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h -index 94af418..b1ca7a2 100644 ---- a/include/linux/dma-mapping.h -+++ b/include/linux/dma-mapping.h -@@ -54,7 +54,7 @@ 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/dmaengine.h b/include/linux/dmaengine.h -index 96d3e4a..dc36433 100644 ---- a/include/linux/dmaengine.h -+++ b/include/linux/dmaengine.h -@@ -1035,9 +1035,9 @@ struct dma_pinned_list { - struct dma_pinned_list *dma_pin_iovec_pages(struct iovec *iov, size_t len); - void dma_unpin_iovec_pages(struct dma_pinned_list* pinned_list); - --dma_cookie_t dma_memcpy_to_iovec(struct dma_chan *chan, struct iovec *iov, -+dma_cookie_t __intentional_overflow(0) dma_memcpy_to_iovec(struct dma_chan *chan, struct iovec *iov, - struct dma_pinned_list *pinned_list, unsigned char *kdata, size_t len); --dma_cookie_t dma_memcpy_pg_to_iovec(struct dma_chan *chan, struct iovec *iov, -+dma_cookie_t __intentional_overflow(0) dma_memcpy_pg_to_iovec(struct dma_chan *chan, struct iovec *iov, - struct dma_pinned_list *pinned_list, struct page *page, - unsigned int offset, size_t len); - -diff --git a/include/linux/efi.h b/include/linux/efi.h -index 2bc0ad7..3f7b006 100644 ---- a/include/linux/efi.h -+++ b/include/linux/efi.h -@@ -745,6 +745,7 @@ struct efivar_operations { - efi_set_variable_t *set_variable; - 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 40a3c0e..4c45a38 100644 ---- a/include/linux/elf.h -+++ b/include/linux/elf.h -@@ -24,6 +24,7 @@ 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 - -@@ -34,6 +35,7 @@ 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 f2edce2..cc2082c 100644 ---- a/include/linux/err.h -+++ b/include/linux/err.h -@@ -19,12 +19,12 @@ - - #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(const void *ptr) -+static inline long __must_check __intentional_overflow(-1) PTR_ERR(const void *ptr) - { - return (long) ptr; - } -diff --git a/include/linux/extcon.h b/include/linux/extcon.h -index fcb51c8..bdafcf6 100644 ---- a/include/linux/extcon.h -+++ b/include/linux/extcon.h -@@ -134,7 +134,7 @@ 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 d49c60f..2834fbe 100644 ---- a/include/linux/fb.h -+++ b/include/linux/fb.h -@@ -304,7 +304,7 @@ 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; - - #ifdef CONFIG_FB_TILEBLITTING - #define FB_TILE_CURSOR_NONE 0 -diff --git a/include/linux/filter.h b/include/linux/filter.h -index f65f5a6..2f4f93a 100644 ---- a/include/linux/filter.h -+++ b/include/linux/filter.h -@@ -20,6 +20,7 @@ struct compat_sock_fprog { - - struct sk_buff; - struct sock; -+struct bpf_jit_work; - - struct sk_filter - { -@@ -27,6 +28,9 @@ struct sk_filter - unsigned int len; /* Number of filter blocks */ - unsigned int (*bpf_func)(const struct sk_buff *skb, - const struct sock_filter *filter); -+#ifdef CONFIG_BPF_JIT -+ struct bpf_jit_work *work; -+#endif - struct rcu_head rcu; - struct sock_filter insns[0]; - }; -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 65c2be2..4c53f6e 100644 ---- a/include/linux/fs.h -+++ b/include/linux/fs.h -@@ -1543,7 +1543,8 @@ struct file_operations { - long (*fallocate)(struct file *file, int mode, loff_t offset, - loff_t len); - int (*show_fdinfo)(struct seq_file *m, struct file *f); --}; -+} __do_const; -+typedef struct file_operations __no_const file_operations_no_const; - - struct inode_operations { - struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); -@@ -2688,4 +2689,14 @@ static inline void inode_has_no_xattr(struct inode *inode) - inode->i_flags |= S_NOSEC; - } - -+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 2b93a9a..855d94a 100644 ---- a/include/linux/fs_struct.h -+++ b/include/linux/fs_struct.h -@@ -6,7 +6,7 @@ - #include <linux/seqlock.h> - - struct fs_struct { -- int users; -+ atomic_t users; - spinlock_t lock; - seqcount_t seq; - int umask; -diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h -index 5dfa0aa..6acf322 100644 ---- a/include/linux/fscache-cache.h -+++ b/include/linux/fscache-cache.h -@@ -112,7 +112,7 @@ 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 *); -@@ -134,7 +134,7 @@ 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 7a08623..4c07b0f 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 a78680a..87bd73e 100644 ---- a/include/linux/fsnotify.h -+++ b/include/linux/fsnotify.h -@@ -195,6 +195,9 @@ static inline void fsnotify_access(struct file *file) - struct inode *inode = path->dentry->d_inode; - __u32 mask = FS_ACCESS; - -+ if (is_sidechannel_device(inode)) -+ return; -+ - if (S_ISDIR(inode->i_mode)) - mask |= FS_ISDIR; - -@@ -213,6 +216,9 @@ static inline void fsnotify_modify(struct file *file) - struct inode *inode = path->dentry->d_inode; - __u32 mask = FS_MODIFY; - -+ if (is_sidechannel_device(inode)) -+ return; -+ - if (S_ISDIR(inode->i_mode)) - mask |= FS_ISDIR; - -@@ -315,7 +321,7 @@ 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 9f3c275..911b591 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; -diff --git a/include/linux/genl_magic_func.h b/include/linux/genl_magic_func.h -index 023bc34..b02b46a 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 0f615eb..5c3832f 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 */ - - /* -@@ -92,6 +99,7 @@ struct vm_area_struct; - #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */ - #define __GFP_KMEMCG ((__force gfp_t)___GFP_KMEMCG) /* Allocation comes from a memcg-accounted resource */ - #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. -@@ -99,7 +107,7 @@ 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 */ -@@ -153,6 +161,8 @@ 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 allocflags_to_migratetype(gfp_t gfp_flags) - { -diff --git a/include/linux/gracl.h b/include/linux/gracl.h -new file mode 100644 -index 0000000..ebe6d72 ---- /dev/null -+++ b/include/linux/gracl.h -@@ -0,0 +1,319 @@ -+#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 2.9.1" -+#define GRSECURITY_VERSION 0x2901 -+ -+enum { -+ GR_SHUTDOWN = 0, -+ GR_ENABLE = 1, -+ GR_SPROLE = 2, -+ GR_RELOAD = 3, -+ GR_SEGVMOD = 4, -+ GR_STATUS = 5, -+ GR_UNSPROLE = 6, -+ GR_PASSSET = 7, -+ GR_SPROLEPAM = 8, -+}; -+ -+/* 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; -+ ino_t 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; -+ ino_t 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; -+ ino_t 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; -+ ino_t 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; -+}; -+ -+/* 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 ino_t ino, const dev_t dev, const unsigned int sz) -+{ -+ return (((ino + dev) ^ ((ino << 13) + (ino << 23) + (dev << 9))) % sz); -+} -+ -+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_ROLE_START(role) \ -+ role = role_list; \ -+ while (role) { -+ -+#define FOR_EACH_ROLE_END(role) \ -+ role = role->prev; \ -+ } -+ -+#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..33ebd1f ---- /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_ino_t 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_ino_t 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_ino_t 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..e337683 ---- /dev/null -+++ b/include/linux/grinternal.h -@@ -0,0 +1,229 @@ -+#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_apply_subject_to_task(struct task_struct *task); -+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_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_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..a4396b5 ---- /dev/null -+++ b/include/linux/grmsg.h -@@ -0,0 +1,113 @@ -+#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_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_CHOWN_ACL_MSG "%s chown of %.950s by " -+#define GR_SETXATTR_ACL_MSG "%s setting extended attributes 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 " -diff --git a/include/linux/grsecurity.h b/include/linux/grsecurity.h -new file mode 100644 -index 0000000..d6f5a21 ---- /dev/null -+++ b/include/linux/grsecurity.h -@@ -0,0 +1,244 @@ -+#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_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(unsigned long mm_flags); -+void gr_handle_brute_check(void); -+void gr_handle_kernel_exploit(void); -+ -+char gr_roletype_to_char(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); -+ -+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_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); -+ -+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, const char *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 inode *parent, -+ const struct inode *inode, -+ 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, -+ struct inode *inode, -+ const int mode, 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); -+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_kernel_label(struct task_struct *task); -+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 ino_t 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); -+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); -+__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 ino_t 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); -+void gr_put_exec_file(struct task_struct *task); -+ -+int gr_ptrace_readexec(struct file *file, int unsafe_flags); -+ -+#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 -+ -+#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/hid.h b/include/linux/hid.h -index 0c48991..76e41d8 100644 ---- a/include/linux/hid.h -+++ b/include/linux/hid.h -@@ -393,10 +393,12 @@ struct hid_report { - struct hid_device *device; /* associated device */ - }; - -+#define HID_MAX_IDS 256 -+ - struct hid_report_enum { - unsigned numbered; - struct list_head report_list; -- struct hid_report *report_id_hash[256]; -+ struct hid_report *report_id_hash[HID_MAX_IDS]; - }; - - #define HID_REPORT_TYPES 3 -@@ -747,6 +749,10 @@ void hid_output_report(struct hid_report *report, __u8 *data); - struct hid_device *hid_allocate_device(void); - struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id); - int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size); -+struct hid_report *hid_validate_report(struct hid_device *hid, -+ unsigned int type, unsigned int id, -+ unsigned int fields, -+ unsigned int report_counts); - int hid_open_report(struct hid_device *device); - int hid_check_keys_pressed(struct hid_device *hid); - int hid_connect(struct hid_device *hid, unsigned int connect_mask); -diff --git a/include/linux/highmem.h b/include/linux/highmem.h -index 7fb31da..08b5114 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..7f52502 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 +42,7 @@ struct sensor_device_attribute_2 { - struct device_attribute dev_attr; - u8 index; - u8 nr; --}; -+} __do_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 e988fa9..ff9f17e 100644 ---- a/include/linux/i2c.h -+++ b/include/linux/i2c.h -@@ -366,6 +366,7 @@ struct i2c_algorithm { - /* To determine what the adapter supports */ - u32 (*functionality) (struct i2c_adapter *); - }; -+typedef struct i2c_algorithm __no_const i2c_algorithm_no_const; - - /** - * struct i2c_bus_recovery_info - I2C bus recovery information -diff --git a/include/linux/i2o.h b/include/linux/i2o.h -index d23c3c2..eb63c81 100644 ---- a/include/linux/i2o.h -+++ b/include/linux/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/include/linux/if_pppox.h b/include/linux/if_pppox.h -index aff7ad8..3942bbd 100644 ---- a/include/linux/if_pppox.h -+++ b/include/linux/if_pppox.h -@@ -76,7 +76,7 @@ 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 8618147..0821126 100644 ---- a/include/linux/init.h -+++ b/include/linux/init.h -@@ -39,9 +39,36 @@ - * Also note, that this data cannot be "const". - */ - -+#ifdef MODULE -+#define add_init_latent_entropy -+#define add_devinit_latent_entropy -+#define add_cpuinit_latent_entropy -+#define add_meminit_latent_entropy -+#else -+#define add_init_latent_entropy __latent_entropy -+ -+#ifdef CONFIG_HOTPLUG -+#define add_devinit_latent_entropy -+#else -+#define add_devinit_latent_entropy __latent_entropy -+#endif -+ -+#ifdef CONFIG_HOTPLUG_CPU -+#define add_cpuinit_latent_entropy -+#else -+#define add_cpuinit_latent_entropy __latent_entropy -+#endif -+ -+#ifdef CONFIG_MEMORY_HOTPLUG -+#define add_meminit_latent_entropy -+#else -+#define add_meminit_latent_entropy __latent_entropy -+#endif -+#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) -@@ -94,7 +121,7 @@ - #define __exit __section(.exit.text) __exitused __cold notrace - - /* Used for HOTPLUG_CPU */ --#define __cpuinit __section(.cpuinit.text) __cold notrace -+#define __cpuinit __section(.cpuinit.text) __cold notrace add_cpuinit_latent_entropy - #define __cpuinitdata __section(.cpuinit.data) - #define __cpuinitconst __constsection(.cpuinit.rodata) - #define __cpuexit __section(.cpuexit.text) __exitused __cold notrace -@@ -102,7 +129,7 @@ - #define __cpuexitconst __constsection(.cpuexit.rodata) - - /* 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 5cd0f09..c9f67cc 100644 ---- a/include/linux/init_task.h -+++ b/include/linux/init_task.h -@@ -154,6 +154,12 @@ 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 -+ - /* - * INIT_TASK is used to set up the first task table, touch at - * your own risk!. Base=0, limit=0x1fffff (=2MB) -@@ -193,6 +199,7 @@ 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 5fa5afe..ac55b25 100644 ---- a/include/linux/interrupt.h -+++ b/include/linux/interrupt.h -@@ -430,7 +430,7 @@ enum - /* map softirq index to softirq name. update 'softirq_to_name' in - * kernel/softirq.c when adding a new softirq. - */ --extern char *softirq_to_name[NR_SOFTIRQS]; -+extern const char * const softirq_to_name[NR_SOFTIRQS]; - - /* softirq mask and active fields moved to irq_cpustat_t in - * asm/hardirq.h to get better cache usage. KAO -@@ -438,12 +438,12 @@ extern char *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); --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 3aeb730..2177f39 100644 ---- a/include/linux/iommu.h -+++ b/include/linux/iommu.h -@@ -113,7 +113,7 @@ struct iommu_ops { - u32 (*domain_get_windows)(struct iommu_domain *domain); - - unsigned long pgsize_bitmap; --}; -+} __do_const; - - #define IOMMU_GROUP_NOTIFY_ADD_DEVICE 1 /* Device added */ - #define IOMMU_GROUP_NOTIFY_DEL_DEVICE 2 /* Pre Device removed */ -diff --git a/include/linux/ioport.h b/include/linux/ioport.h -index 89b7c24..382af74 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/irq.h b/include/linux/irq.h -index bc4e066..50468a9 100644 ---- a/include/linux/irq.h -+++ b/include/linux/irq.h -@@ -328,7 +328,8 @@ struct irq_chip { - void (*irq_print_chip)(struct irq_data *data, struct seq_file *p); - - unsigned long flags; --}; -+} __do_const; -+typedef struct irq_chip __no_const irq_chip_no_const; - - /* - * irq_chip specific flags -diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h -index 3e203eb..3fe68d0 100644 ---- a/include/linux/irqchip/arm-gic.h -+++ b/include/linux/irqchip/arm-gic.h -@@ -59,9 +59,11 @@ - - #ifndef __ASSEMBLY__ - -+#include <linux/irq.h> -+ - struct device_node; - --extern struct irq_chip gic_arch_extn; -+extern irq_chip_no_const gic_arch_extn; - - void gic_init_bases(unsigned int, int, void __iomem *, void __iomem *, - u32 offset, struct device_node *); -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/key-type.h b/include/linux/key-type.h -index 518a53a..5e28358 100644 ---- a/include/linux/key-type.h -+++ b/include/linux/key-type.h -@@ -125,7 +125,7 @@ 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 c6e091b..a940adf 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/kmod.h b/include/linux/kmod.h -index 0555cc6..b16a7a4 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...) \ -diff --git a/include/linux/kobject.h b/include/linux/kobject.h -index 939b112..ed6ed51 100644 ---- a/include/linux/kobject.h -+++ b/include/linux/kobject.h -@@ -111,7 +111,7 @@ 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 *envp[UEVENT_NUM_ENVP]; -@@ -134,6 +134,7 @@ 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; - -diff --git a/include/linux/kobject_ns.h b/include/linux/kobject_ns.h -index f66b065..c2c29b4 100644 ---- a/include/linux/kobject_ns.h -+++ b/include/linux/kobject_ns.h -@@ -43,7 +43,7 @@ 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 8db53cf..c21121d 100644 ---- a/include/linux/kvm_host.h -+++ b/include/linux/kvm_host.h -@@ -444,7 +444,7 @@ 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); - -@@ -616,7 +616,7 @@ 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 eae7a05..2cdd875 100644 ---- a/include/linux/libata.h -+++ b/include/linux/libata.h -@@ -919,7 +919,7 @@ 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/list.h b/include/linux/list.h -index b83e565..baa6c1d 100644 ---- a/include/linux/list.h -+++ b/include/linux/list.h -@@ -112,6 +112,19 @@ 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 -@@ -145,6 +158,8 @@ 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/math64.h b/include/linux/math64.h -index 2913b86..8dcbb1e 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; -@@ -33,7 +33,7 @@ static inline s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder) - /** - * div64_u64 - unsigned 64bit divide with 64bit divisor - */ --static inline u64 div64_u64(u64 dividend, u64 divisor) -+static inline u64 __intentional_overflow(0) div64_u64(u64 dividend, u64 divisor) - { - return dividend / divisor; - } -@@ -52,7 +52,7 @@ 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; -@@ -81,7 +81,7 @@ 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/mm.h b/include/linux/mm.h -index e0c8528..bcf0c29 100644 ---- a/include/linux/mm.h -+++ b/include/linux/mm.h -@@ -104,6 +104,11 @@ extern unsigned int kobjsize(const void *objp); - #define VM_HUGETLB 0x00400000 /* Huge TLB Page VM */ - #define VM_NONLINEAR 0x00800000 /* Is non-linear (remap_file_pages) */ - #define VM_ARCH_1 0x01000000 /* Architecture-specific flag */ -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+#define VM_PAGEEXEC 0x02000000 /* vma->vm_page_prot needs special handling */ -+#endif -+ - #define VM_DONTDUMP 0x04000000 /* Do not include in the core dump */ - - #define VM_MIXEDMAP 0x10000000 /* Can contain "struct page" and pure PFN pages */ -@@ -205,8 +210,8 @@ 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); - #ifdef CONFIG_NUMA - /* - * set_policy() op must add a reference to any non-NULL @new mempolicy -@@ -236,6 +241,7 @@ struct vm_operations_struct { - int (*remap_pages)(struct vm_area_struct *vma, unsigned long addr, - unsigned long size, pgoff_t pgoff); - }; -+typedef struct vm_operations_struct __no_const vm_operations_struct_no_const; - - struct mmu_gather; - struct inode; -@@ -980,8 +986,8 @@ 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) -@@ -1020,9 +1026,9 @@ 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, -@@ -1053,34 +1059,6 @@ int set_page_dirty(struct page *page); - int set_page_dirty_lock(struct page *page); - int clear_page_dirty_for_io(struct page *page); - --/* 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 pid_t - vm_is_stack(struct task_struct *task, struct vm_area_struct *vma, int in_group); - -@@ -1180,6 +1158,15 @@ static inline void sync_mm_rss(struct mm_struct *mm) - } - #endif - -+#ifdef CONFIG_MMU -+pgprot_t vm_get_page_prot(vm_flags_t vm_flags); -+#else -+static inline pgprot_t vm_get_page_prot(vm_flags_t vm_flags) -+{ -+ return __pgprot(0); -+} -+#endif -+ - int vma_wants_writenotify(struct vm_area_struct *vma); - - extern pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr, -@@ -1198,8 +1185,15 @@ 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 - - #ifdef __PAGETABLE_PMD_FOLDED -@@ -1208,8 +1202,15 @@ 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; -+} - #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); - #endif - - int __pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma, -@@ -1227,11 +1228,23 @@ 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_PTLOCKS -@@ -1517,6 +1530,7 @@ 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, -@@ -1545,10 +1559,11 @@ 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. -@@ -1560,7 +1575,7 @@ 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(info); -@@ -1623,6 +1638,10 @@ 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) -@@ -1651,15 +1670,6 @@ static inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm, - return vma; - } - --#ifdef CONFIG_MMU --pgprot_t vm_get_page_prot(unsigned long vm_flags); --#else --static inline pgprot_t vm_get_page_prot(unsigned long vm_flags) --{ -- return __pgprot(0); --} --#endif -- - #ifdef CONFIG_ARCH_USES_NUMA_PROT_NONE - unsigned long change_prot_numa(struct vm_area_struct *vma, - unsigned long start, unsigned long end); -@@ -1711,6 +1721,11 @@ 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 */ -@@ -1791,7 +1806,7 @@ 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); - - extern void dump_page(struct page *page); -@@ -1828,5 +1843,11 @@ 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 4a189ba..04101d6 100644 ---- a/include/linux/mm_types.h -+++ b/include/linux/mm_types.h -@@ -289,6 +289,8 @@ 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 */ - }; - - struct core_thread { -@@ -438,6 +440,24 @@ struct mm_struct { - int first_nid; - #endif - struct uprobes_state uprobes_state; -+ -+#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 -+ - }; - - /* first nid will either be a valid NID or one of these values */ -diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h -index c5d5278..f0b68c8 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) - { - } - -diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h -index 5c76737..61f518e 100644 ---- a/include/linux/mmzone.h -+++ b/include/linux/mmzone.h -@@ -396,7 +396,7 @@ struct zone { - unsigned long flags; /* zone flags, see below */ - - /* Zone statistics */ -- atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; -+ atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; - - /* - * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on -diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h -index b508016..237cfe5 100644 ---- a/include/linux/mod_devicetable.h -+++ b/include/linux/mod_devicetable.h -@@ -13,7 +13,7 @@ - typedef unsigned long kernel_ulong_t; - #endif - --#define PCI_ANY_ID (~0) -+#define PCI_ANY_ID ((__u16)~0) - - struct pci_device_id { - __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/ -@@ -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 - -@@ -465,7 +465,7 @@ 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 46f1ea0..a34ca37 100644 ---- a/include/linux/module.h -+++ b/include/linux/module.h -@@ -17,9 +17,11 @@ - #include <linux/moduleparam.h> - #include <linux/tracepoint.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" -@@ -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 *); -@@ -232,7 +235,7 @@ 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; -@@ -281,19 +284,16 @@ 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; -@@ -349,6 +349,10 @@ struct module - #ifdef CONFIG_EVENT_TRACING - struct ftrace_event_call **trace_events; - unsigned int num_trace_events; -+ 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; -@@ -396,16 +400,46 @@ 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 int 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 int 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); - } - - /* Search for module by name: must hold module_mutex. */ -diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h -index 560ca53..ef621ef 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_free(struct module *mod, void *module_region); - -+#ifdef CONFIG_PAX_KERNEXEC -+void module_free_exec(struct module *mod, void *module_region); -+#else -+#define module_free_exec(x, y) module_free((x), (y)) -+#endif -+ - /* - * Apply the given relocation to the (simplified) ELF. Return -error - * or 0. -@@ -45,7 +57,9 @@ 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", me->name); -+#endif - return -ENOEXEC; - } - #endif -@@ -67,7 +81,9 @@ 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", me->name); -+#endif - return -ENOEXEC; - } - #endif -diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h -index 137b419..fe663ec 100644 ---- a/include/linux/moduleparam.h -+++ b/include/linux/moduleparam.h -@@ -284,7 +284,7 @@ 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, \ -@@ -423,7 +423,7 @@ 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/namei.h b/include/linux/namei.h -index 5a5ff57..5ae5070 100644 ---- a/include/linux/namei.h -+++ b/include/linux/namei.h -@@ -19,7 +19,7 @@ struct nameidata { - unsigned seq; - int last_type; - unsigned depth; -- char *saved_names[MAX_NESTED_LINKS + 1]; -+ const char *saved_names[MAX_NESTED_LINKS + 1]; - }; - - /* -@@ -84,12 +84,12 @@ extern void unlock_rename(struct dentry *, struct dentry *); - - extern void nd_jump_link(struct nameidata *nd, struct path *path); - --static inline void nd_set_link(struct nameidata *nd, char *path) -+static inline void nd_set_link(struct nameidata *nd, const char *path) - { - nd->saved_names[nd->depth] = path; - } - --static inline char *nd_get_link(struct nameidata *nd) -+static inline const char *nd_get_link(const struct nameidata *nd) - { - return nd->saved_names[nd->depth]; - } -diff --git a/include/linux/net.h b/include/linux/net.h -index 99c9f0c..e1cf296 100644 ---- a/include/linux/net.h -+++ b/include/linux/net.h -@@ -183,7 +183,7 @@ 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 96e4c21..9cc8278 100644 ---- a/include/linux/netdevice.h -+++ b/include/linux/netdevice.h -@@ -1026,6 +1026,7 @@ struct net_device_ops { - int (*ndo_change_carrier)(struct net_device *dev, - bool new_carrier); - }; -+typedef struct net_device_ops __no_const net_device_ops_no_const; - - /* - * The DEVICE structure. -@@ -1094,7 +1095,7 @@ struct net_device { - int iflink; - - struct net_device_stats stats; -- atomic_long_t rx_dropped; /* dropped packets by core network -+ atomic_long_unchecked_t rx_dropped; /* dropped packets by core network - * Do not use this in drivers. - */ - -diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h -index 0060fde..481c6ae 100644 ---- a/include/linux/netfilter.h -+++ b/include/linux/netfilter.h -@@ -82,7 +82,7 @@ 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/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h -index d80e275..c3510b8 100644 ---- a/include/linux/netfilter/ipset/ip_set.h -+++ b/include/linux/netfilter/ipset/ip_set.h -@@ -124,7 +124,7 @@ struct ip_set_type_variant { - /* Return true if "b" set is the same as "a" - * according to the create set parameters */ - bool (*same_set)(const struct ip_set *a, const struct ip_set *b); --}; -+} __do_const; - - /* The core set type structure */ - struct ip_set_type { -diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h -index cadb740..d7c37c0 100644 ---- a/include/linux/netfilter/nfnetlink.h -+++ b/include/linux/netfilter/nfnetlink.h -@@ -16,7 +16,7 @@ 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 5dc635f..35f5e11 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 */ -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 a4c5624..79d6d88 100644 ---- a/include/linux/oprofile.h -+++ b/include/linux/oprofile.h -@@ -139,9 +139,9 @@ int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root, - int oprofilefs_create_ro_ulong(struct super_block * sb, 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 super_block * sb, struct dentry * root, -- char const * name, atomic_t * val); -+ char const * name, atomic_unchecked_t * val); - - /** create a directory */ - struct dentry * oprofilefs_mkdir(struct super_block * sb, struct dentry * root, -diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h -index 8db71dc..a76bf2c 100644 ---- a/include/linux/pci_hotplug.h -+++ b/include/linux/pci_hotplug.h -@@ -80,7 +80,8 @@ struct hotplug_slot_ops { - int (*get_attention_status) (struct hotplug_slot *slot, u8 *value); - int (*get_latch_status) (struct hotplug_slot *slot, u8 *value); - int (*get_adapter_status) (struct hotplug_slot *slot, u8 *value); --}; -+} __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/perf_event.h b/include/linux/perf_event.h -index c5b6dbf..b124155 100644 ---- a/include/linux/perf_event.h -+++ b/include/linux/perf_event.h -@@ -318,8 +318,8 @@ 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 -@@ -370,8 +370,8 @@ 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: -@@ -692,7 +692,7 @@ 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; - -@@ -700,19 +700,24 @@ extern int perf_proc_update_handler(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, - 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); -@@ -806,7 +811,7 @@ static inline void perf_restore_debug_store(void) { } - */ - #define perf_cpu_notifier(fn) \ - do { \ -- static struct notifier_block fn##_nb __cpuinitdata = \ -+ static struct notifier_block fn##_nb = \ - { .notifier_call = fn, .priority = CPU_PRI_PERF }; \ - unsigned long cpu = smp_processor_id(); \ - unsigned long flags; \ -@@ -826,7 +831,7 @@ struct perf_pmu_events_attr { - struct device_attribute attr; - u64 id; - const char *event_str; --}; -+} __do_const; - - #define PMU_EVENT_ATTR(_name, _var, _id, _show) \ - static struct perf_pmu_events_attr _var = { \ -diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h -index b8809fe..ae4ccd0 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/platform_data/usb-ehci-s5p.h b/include/linux/platform_data/usb-ehci-s5p.h -index 5f28cae..3d23723 100644 ---- a/include/linux/platform_data/usb-ehci-s5p.h -+++ b/include/linux/platform_data/usb-ehci-s5p.h -@@ -14,7 +14,7 @@ - struct s5p_ehci_platdata { - int (*phy_init)(struct platform_device *pdev, int type); - int (*phy_exit)(struct platform_device *pdev, int type); --}; -+} __no_const; - - extern void s5p_ehci_set_platdata(struct s5p_ehci_platdata *pd); - -diff --git a/include/linux/platform_data/usb-ohci-exynos.h b/include/linux/platform_data/usb-ohci-exynos.h -index c256c59..8ea94c7 100644 ---- a/include/linux/platform_data/usb-ohci-exynos.h -+++ b/include/linux/platform_data/usb-ohci-exynos.h -@@ -14,7 +14,7 @@ - struct exynos4_ohci_platdata { - int (*phy_init)(struct platform_device *pdev, int type); - int (*phy_exit)(struct platform_device *pdev, int type); --}; -+} __no_const; - - extern void exynos4_ohci_set_platdata(struct exynos4_ohci_platdata *pd); - -diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h -index 7c1d252..c5c773e 100644 ---- a/include/linux/pm_domain.h -+++ b/include/linux/pm_domain.h -@@ -48,7 +48,7 @@ struct gpd_dev_ops { - - struct gpd_cpu_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 7d7e09e..8671ef8 100644 ---- a/include/linux/pm_runtime.h -+++ b/include/linux/pm_runtime.h -@@ -104,7 +104,7 @@ 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; - } - - #else /* !CONFIG_PM_RUNTIME */ -diff --git a/include/linux/pnp.h b/include/linux/pnp.h -index 195aafc..49a7bc2 100644 ---- a/include/linux/pnp.h -+++ b/include/linux/pnp.h -@@ -297,7 +297,7 @@ 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 c0f44c2..1572583 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 f5d4723..a6ea2fa 100644 ---- a/include/linux/preempt.h -+++ b/include/linux/preempt.h -@@ -18,8 +18,13 @@ - # define sub_preempt_count(val) do { preempt_count() -= (val); } while (0) - #endif - -+#define raw_add_preempt_count(val) do { preempt_count() += (val); } while (0) -+#define raw_sub_preempt_count(val) do { preempt_count() -= (val); } while (0) -+ - #define inc_preempt_count() add_preempt_count(1) -+#define raw_inc_preempt_count() raw_add_preempt_count(1) - #define dec_preempt_count() sub_preempt_count(1) -+#define raw_dec_preempt_count() raw_sub_preempt_count(1) - - #define preempt_count() (current_thread_info()->preempt_count) - -@@ -64,6 +69,12 @@ do { \ - barrier(); \ - } while (0) - -+#define raw_preempt_disable() \ -+do { \ -+ raw_inc_preempt_count(); \ -+ barrier(); \ -+} while (0) -+ - #define sched_preempt_enable_no_resched() \ - do { \ - barrier(); \ -@@ -72,6 +83,12 @@ do { \ - - #define preempt_enable_no_resched() sched_preempt_enable_no_resched() - -+#define raw_preempt_enable_no_resched() \ -+do { \ -+ barrier(); \ -+ raw_dec_preempt_count(); \ -+} while (0) -+ - #define preempt_enable() \ - do { \ - preempt_enable_no_resched(); \ -@@ -116,8 +133,10 @@ 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_disable_notrace() barrier() -diff --git a/include/linux/printk.h b/include/linux/printk.h -index 22c7052..ad3fa0a 100644 ---- a/include/linux/printk.h -+++ b/include/linux/printk.h -@@ -106,6 +106,8 @@ static inline __printf(1, 2) __cold - void early_printk(const char *s, ...) { } - #endif - -+extern int kptr_restrict; -+ - #ifdef CONFIG_PRINTK - asmlinkage __printf(5, 0) - int vprintk_emit(int facility, int level, -@@ -140,7 +142,6 @@ 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); - -diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h -index 608e60a..c26f864 100644 ---- a/include/linux/proc_fs.h -+++ b/include/linux/proc_fs.h -@@ -34,6 +34,19 @@ 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 *); -diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h -index 34a1e10..03a6d03 100644 ---- a/include/linux/proc_ns.h -+++ b/include/linux/proc_ns.h -@@ -14,7 +14,7 @@ struct proc_ns_operations { - void (*put)(void *ns); - int (*install)(struct nsproxy *nsproxy, void *ns); - unsigned int (*inum)(void *ns); --}; -+} __do_const; - - struct proc_ns { - void *ns; -diff --git a/include/linux/random.h b/include/linux/random.h -index 3b9377d..61b506a 100644 ---- a/include/linux/random.h -+++ b/include/linux/random.h -@@ -32,6 +32,11 @@ void prandom_seed(u32 seed); - u32 prandom_u32_state(struct rnd_state *); - void prandom_bytes_state(struct rnd_state *state, void *buf, int nbytes); - -+static inline unsigned long pax_get_random_long(void) -+{ -+ return prandom_u32() + (sizeof(long) > 4 ? (unsigned long)prandom_u32() << 32 : 0); -+} -+ - /* - * Handle minimum values for seeds - */ -diff --git a/include/linux/rculist.h b/include/linux/rculist.h -index f4b1001..8ddb2b6 100644 ---- a/include/linux/rculist.h -+++ b/include/linux/rculist.h -@@ -44,6 +44,9 @@ extern void __list_add_rcu(struct list_head *new, - struct list_head *prev, struct list_head *next); - #endif - -+extern 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 -@@ -65,6 +68,11 @@ 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 -@@ -87,6 +95,12 @@ 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. -@@ -117,6 +131,8 @@ 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/reboot.h b/include/linux/reboot.h -index 23b3630..e1bc12b 100644 ---- a/include/linux/reboot.h -+++ b/include/linux/reboot.h -@@ -18,9 +18,9 @@ extern int unregister_reboot_notifier(struct notifier_block *); - * Architecture-specific implementations of sys_reboot commands. - */ - --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; -@@ -31,9 +31,9 @@ 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); -@@ -47,7 +47,7 @@ extern int orderly_poweroff(bool force); - * 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 18e0993..8ab5b21 100644 ---- a/include/linux/rio.h -+++ b/include/linux/rio.h -@@ -345,7 +345,7 @@ 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 6dacb93..6174423 100644 ---- a/include/linux/rmap.h -+++ b/include/linux/rmap.h -@@ -145,8 +145,8 @@ 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/sched.h b/include/linux/sched.h -index 178a8d9..918ea01 100644 ---- a/include/linux/sched.h -+++ b/include/linux/sched.h -@@ -62,6 +62,7 @@ struct bio_list; - struct fs_struct; - struct perf_event_context; - struct blk_plug; -+struct linux_binprm; - - /* - * List of flags we want to share for kernel threads, -@@ -303,7 +304,7 @@ 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); -@@ -314,6 +315,18 @@ 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, -@@ -591,6 +604,17 @@ 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; -@@ -671,6 +695,14 @@ 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; -@@ -1158,8 +1190,8 @@ struct task_struct { - struct list_head thread_group; - - 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; -@@ -1184,11 +1216,6 @@ 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()) -@@ -1205,6 +1232,10 @@ 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 */ -@@ -1278,6 +1309,10 @@ 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; - -@@ -1316,6 +1351,10 @@ 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 -@@ -1416,8 +1455,76 @@ struct task_struct { - unsigned int sequential_io; - unsigned int sequential_io_avg; - #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_role_label *role; -+ struct file *exec_file; -+ unsigned long brute_expires; -+ u16 acl_role_id; -+ /* is this the task that authenticated to the special role */ -+ u8 acl_sp_role; -+ u8 is_writable; -+ u8 brute; -+ u8 gr_is_chrooted; -+#endif -+ - }; - -+#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 *); -+ -+/* 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) - -@@ -1476,7 +1583,7 @@ 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; - } -@@ -1919,7 +2026,9 @@ void yield(void); - extern struct exec_domain default_exec_domain; - - union thread_union { -+#ifndef CONFIG_X86 - struct thread_info thread_info; -+#endif - unsigned long stack[THREAD_SIZE/sizeof(long)]; - }; - -@@ -1952,6 +2061,7 @@ 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); - -@@ -2118,7 +2228,7 @@ 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 allow_signal(int); - extern int disallow_signal(int); -@@ -2309,9 +2419,9 @@ static inline unsigned long *end_of_stack(struct task_struct *p) - - #endif - --static inline int object_is_on_stack(void *obj) -+static inline int object_starts_on_stack(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 bf8086b..962b035 100644 ---- a/include/linux/sched/sysctl.h -+++ b/include/linux/sched/sysctl.h -@@ -30,6 +30,7 @@ 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 4686491..2bd210e 100644 ---- a/include/linux/security.h -+++ b/include/linux/security.h -@@ -26,6 +26,7 @@ - #include <linux/capability.h> - #include <linux/slab.h> - #include <linux/err.h> -+#include <linux/grsecurity.h> - - struct linux_binprm; - struct cred; -diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h -index 2da29ac..aac448ec 100644 ---- a/include/linux/seq_file.h -+++ b/include/linux/seq_file.h -@@ -26,6 +26,9 @@ 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 -@@ -38,6 +41,7 @@ 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 - -diff --git a/include/linux/shm.h b/include/linux/shm.h -index 429c199..4d42e38 100644 ---- a/include/linux/shm.h -+++ b/include/linux/shm.h -@@ -21,6 +21,10 @@ struct shmid_kernel /* private to the kernel */ - - /* The task created the shm object. NULL if the task is dead. */ - struct task_struct *shm_creator; -+#ifdef CONFIG_GRKERNSEC -+ time_t 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 d897484..323ba98 100644 ---- a/include/linux/signal.h -+++ b/include/linux/signal.h -@@ -433,6 +433,7 @@ void signals_init(void); - - int restore_altstack(const stack_t __user *); - int __save_altstack(stack_t __user *, unsigned long); -+void __save_altstack_ex(stack_t __user *, unsigned long); - - #ifdef CONFIG_PROC_FS - struct seq_file; -diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h -index dec1748..112c1f9 100644 ---- a/include/linux/skbuff.h -+++ b/include/linux/skbuff.h -@@ -640,7 +640,7 @@ extern bool skb_try_coalesce(struct sk_buff *to, struct sk_buff *from, - extern struct sk_buff *__alloc_skb(unsigned int size, - gfp_t priority, int flags, int node); - extern 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); -@@ -756,7 +756,7 @@ static inline struct skb_shared_hwtstamps *skb_hwtstamps(struct sk_buff *skb) - */ - static inline int skb_queue_empty(const struct sk_buff_head *list) - { -- return list->next == (struct sk_buff *)list; -+ return list->next == (const struct sk_buff *)list; - } - - /** -@@ -769,7 +769,7 @@ static inline int skb_queue_empty(const struct sk_buff_head *list) - static inline bool skb_queue_is_last(const struct sk_buff_head *list, - const struct sk_buff *skb) - { -- return skb->next == (struct sk_buff *)list; -+ return skb->next == (const struct sk_buff *)list; - } - - /** -@@ -782,7 +782,7 @@ static inline bool skb_queue_is_last(const struct sk_buff_head *list, - static inline bool skb_queue_is_first(const struct sk_buff_head *list, - const struct sk_buff *skb) - { -- return skb->prev == (struct sk_buff *)list; -+ return skb->prev == (const struct sk_buff *)list; - } - - /** -@@ -1848,7 +1848,7 @@ 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 - - extern int ___pskb_trim(struct sk_buff *skb, unsigned int len); -@@ -2443,7 +2443,7 @@ extern struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, - int noblock, int *err); - extern unsigned int datagram_poll(struct file *file, struct socket *sock, - struct poll_table_struct *wait); --extern int skb_copy_datagram_iovec(const struct sk_buff *from, -+extern int __intentional_overflow(0) skb_copy_datagram_iovec(const struct sk_buff *from, - int offset, struct iovec *to, - int size); - extern int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb, -@@ -2733,6 +2733,9 @@ 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 0c62175..f016ac1 100644 ---- a/include/linux/slab.h -+++ b/include/linux/slab.h -@@ -12,15 +12,29 @@ - #include <linux/gfp.h> - #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_SLAB_DEBUG 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 */ -@@ -89,10 +103,13 @@ - * 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) - - - struct mem_cgroup; -@@ -132,6 +149,8 @@ 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 -@@ -164,7 +183,7 @@ 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 */ - }; -@@ -226,6 +245,10 @@ 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. -@@ -234,7 +257,7 @@ 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; -@@ -406,6 +429,7 @@ void print_slabinfo_header(struct seq_file *m); - * for general use, and so are not documented here. For a full list of - * potential flags, always refer to linux/gfp.h. - */ -+ - static inline void *kmalloc_array(size_t n, size_t size, gfp_t flags) - { - if (size != 0 && n > SIZE_MAX / size) -@@ -465,7 +489,7 @@ static inline void *kmem_cache_alloc_node(struct kmem_cache *cachep, - #if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \ - (defined(CONFIG_SLAB) && defined(CONFIG_TRACING)) || \ - (defined(CONFIG_SLOB) && defined(CONFIG_TRACING)) --extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long); -+extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long) __size_overflow(1); - #define kmalloc_track_caller(size, flags) \ - __kmalloc_track_caller(size, flags, _RET_IP_) - #else -@@ -485,7 +509,7 @@ extern void *__kmalloc_track_caller(size_t, gfp_t, unsigned long); - #if defined(CONFIG_DEBUG_SLAB) || defined(CONFIG_SLUB) || \ - (defined(CONFIG_SLAB) && defined(CONFIG_TRACING)) || \ - (defined(CONFIG_SLOB) && defined(CONFIG_TRACING)) --extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, unsigned long); -+extern void *__kmalloc_node_track_caller(size_t, gfp_t, int, unsigned long) __size_overflow(1); - #define kmalloc_node_track_caller(size, flags, node) \ - __kmalloc_node_track_caller(size, flags, node, \ - _RET_IP_) -diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h -index cd40158..4e2f7af 100644 ---- a/include/linux/slab_def.h -+++ b/include/linux/slab_def.h -@@ -50,7 +50,7 @@ struct kmem_cache { - /* 4) cache creation/removal */ - const char *name; - struct list_head list; -- int refcount; -+ atomic_t refcount; - int object_size; - int align; - -@@ -66,10 +66,14 @@ 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 -@@ -103,7 +107,7 @@ struct kmem_cache { - }; - - void *kmem_cache_alloc(struct kmem_cache *, gfp_t); --void *__kmalloc(size_t size, gfp_t flags); -+void *__kmalloc(size_t size, gfp_t flags) __size_overflow(1); - - #ifdef CONFIG_TRACING - extern void *kmem_cache_alloc_trace(struct kmem_cache *, gfp_t, size_t); -@@ -136,6 +140,13 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags) - cachep = kmalloc_dma_caches[i]; - else - #endif -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ if (flags & GFP_USERCOPY) -+ cachep = kmalloc_usercopy_caches[i]; -+ else -+#endif -+ - cachep = kmalloc_caches[i]; - - ret = kmem_cache_alloc_trace(cachep, flags, size); -@@ -146,7 +157,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags) - } - - #ifdef CONFIG_NUMA --extern void *__kmalloc_node(size_t size, gfp_t flags, int node); -+extern void *__kmalloc_node(size_t size, gfp_t flags, int node) __size_overflow(1); - extern void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); - - #ifdef CONFIG_TRACING -@@ -185,6 +196,13 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node) - cachep = kmalloc_dma_caches[i]; - else - #endif -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ if (flags & GFP_USERCOPY) -+ cachep = kmalloc_usercopy_caches[i]; -+ else -+#endif -+ - cachep = kmalloc_caches[i]; - - return kmem_cache_alloc_node_trace(cachep, flags, node, size); -diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h -index f28e14a..7831211 100644 ---- a/include/linux/slob_def.h -+++ b/include/linux/slob_def.h -@@ -11,7 +11,7 @@ static __always_inline void *kmem_cache_alloc(struct kmem_cache *cachep, - return kmem_cache_alloc_node(cachep, flags, NUMA_NO_NODE); - } - --void *__kmalloc_node(size_t size, gfp_t flags, int node); -+void *__kmalloc_node(size_t size, gfp_t flags, int node) __size_overflow(1); - - static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node) - { -@@ -31,7 +31,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags) - return __kmalloc_node(size, flags, NUMA_NO_NODE); - } - --static __always_inline void *__kmalloc(size_t size, gfp_t flags) -+static __always_inline __size_overflow(1) void *__kmalloc(size_t size, gfp_t flags) - { - return kmalloc(size, flags); - } -diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h -index 027276f..092bfe8 100644 ---- a/include/linux/slub_def.h -+++ b/include/linux/slub_def.h -@@ -80,7 +80,7 @@ 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 */ -@@ -105,7 +105,7 @@ struct kmem_cache { - }; - - void *kmem_cache_alloc(struct kmem_cache *, gfp_t); --void *__kmalloc(size_t size, gfp_t flags); -+void *__kmalloc(size_t size, gfp_t flags) __alloc_size(1) __size_overflow(1); - - static __always_inline void * - kmalloc_order(size_t size, gfp_t flags, unsigned int order) -@@ -149,7 +149,7 @@ kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order) - } - #endif - --static __always_inline void *kmalloc_large(size_t size, gfp_t flags) -+static __always_inline __size_overflow(1) void *kmalloc_large(size_t size, gfp_t flags) - { - unsigned int order = get_order(size); - return kmalloc_order_trace(size, flags, order); -@@ -175,7 +175,7 @@ static __always_inline void *kmalloc(size_t size, gfp_t flags) - } - - #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) __size_overflow(1); - void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); - - #ifdef CONFIG_TRACING -diff --git a/include/linux/smp.h b/include/linux/smp.h -index c848876..11e8a84 100644 ---- a/include/linux/smp.h -+++ b/include/linux/smp.h -@@ -221,7 +221,9 @@ static inline void kick_all_cpus_sync(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 54f91d3..be2c379 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 bfe11be..12bc8c4 100644 ---- a/include/linux/sunrpc/clnt.h -+++ b/include/linux/sunrpc/clnt.h -@@ -96,7 +96,7 @@ 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 1f0216b..6a4fa50 100644 ---- a/include/linux/sunrpc/svc.h -+++ b/include/linux/sunrpc/svc.h -@@ -411,7 +411,7 @@ 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 0b8e3e6..33e0a01 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; - - #define RPCRDMA_VERSION 1 - -diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h -index ff374ab..7fd2ecb 100644 ---- a/include/linux/sunrpc/svcauth.h -+++ b/include/linux/sunrpc/svcauth.h -@@ -109,7 +109,7 @@ 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 a5ffd32..0935dea 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 84662ec..d8f8adb 100644 ---- a/include/linux/syscalls.h -+++ b/include/linux/syscalls.h -@@ -97,8 +97,12 @@ struct sigaltstack; - #define __MAP(n,...) __MAP##n(__VA_ARGS__) - - #define __SC_DECL(t, a) t a --#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 __TYPE_IS_SL(t) (__same_type((t)0, 0L)) -+#define __TYPE_IS_UL(t) (__same_type((t)0, 0UL)) -+#define __TYPE_IS_SLL(t) (__same_type((t)0, 0LL)) -+#define __TYPE_IS_ULL(t) (__same_type((t)0, 0ULL)) -+#define __TYPE_IS_LL(t) (__TYPE_IS_SLL(t) || __TYPE_IS_ULL(t)) -+#define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), __builtin_choose_expr(__TYPE_IS_ULL(t), 0ULL, 0LL), __builtin_choose_expr(__TYPE_IS_UL(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)) -@@ -362,11 +366,11 @@ 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, -@@ -578,7 +582,7 @@ 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 msghdr __user *msg, unsigned flags); - asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg, - unsigned int vlen, unsigned flags); -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 14a8ff2..af52bad 100644 ---- a/include/linux/sysctl.h -+++ b/include/linux/sysctl.h -@@ -34,13 +34,13 @@ struct ctl_table_root; - struct ctl_table_header; - struct ctl_dir; - --typedef struct ctl_table ctl_table; -- - typedef int proc_handler (struct ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, loff_t *ppos); - - 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_minmax(struct ctl_table *, int, -@@ -115,7 +115,9 @@ struct ctl_table - struct ctl_table_poll *poll; - void *extra1; - void *extra2; --}; -+} __do_const; -+typedef struct ctl_table __no_const ctl_table_no_const; -+typedef struct ctl_table ctl_table; - - struct ctl_node { - struct rb_node node; -diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h -index e2cee22..3ddb921 100644 ---- a/include/linux/sysfs.h -+++ b/include/linux/sysfs.h -@@ -31,7 +31,8 @@ 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 -@@ -59,8 +60,8 @@ struct attribute_group { - umode_t (*is_visible)(struct kobject *, - struct attribute *, int); - struct attribute **attrs; --}; -- -+} __do_const; -+typedef struct attribute_group __no_const attribute_group_no_const; - - - /** -@@ -107,7 +108,8 @@ 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 7faf933..9b85a0c 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> - - /* Enable/disable SYSRQ support by default (0==no, 1==yes). */ - #define SYSRQ_DEFAULT_ENABLE 1 -@@ -36,7 +37,7 @@ 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 e7e0473..7989295 100644 ---- a/include/linux/thread_info.h -+++ b/include/linux/thread_info.h -@@ -148,6 +148,15 @@ 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); -+static inline void check_object_size(const void *ptr, unsigned long n, bool to_user) -+{ -+#ifndef CONFIG_PAX_USERCOPY_DEBUG -+ if (!__builtin_constant_p(n)) -+#endif -+ __check_object_size(ptr, n, to_user); -+} -+ - #endif /* __KERNEL__ */ - - #endif /* _LINUX_THREAD_INFO_H */ -diff --git a/include/linux/tty.h b/include/linux/tty.h -index 8780bd2..d1ae08b 100644 ---- a/include/linux/tty.h -+++ b/include/linux/tty.h -@@ -194,7 +194,7 @@ 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 */ -@@ -550,7 +550,7 @@ 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 756a609..b302dd6 100644 ---- a/include/linux/tty_driver.h -+++ b/include/linux/tty_driver.h -@@ -285,7 +285,7 @@ struct tty_operations { - void (*poll_put_char)(struct tty_driver *driver, int line, char ch); - #endif - const struct file_operations *proc_fops; --}; -+} __do_const; - - struct tty_driver { - int magic; /* magic number for this structure */ -diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h -index 58390c7..95e214c 100644 ---- a/include/linux/tty_ldisc.h -+++ b/include/linux/tty_ldisc.h -@@ -146,7 +146,7 @@ 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 4d118ba..c3ee9bf 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 5ca0951..ab496a5 100644 ---- a/include/linux/uaccess.h -+++ b/include/linux/uaccess.h -@@ -76,11 +76,11 @@ 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 8e522cbc..aa8572d 100644 ---- a/include/linux/uidgid.h -+++ b/include/linux/uidgid.h -@@ -197,4 +197,9 @@ 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/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 a0bee5a..5533a52 100644 ---- a/include/linux/usb.h -+++ b/include/linux/usb.h -@@ -552,7 +552,7 @@ struct usb_device { - int maxchild; - - u32 quirks; -- atomic_t urbnum; -+ atomic_unchecked_t urbnum; - - unsigned long active_duration; - -@@ -1607,7 +1607,7 @@ 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 e452ba6..78f8e80 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/vermagic.h b/include/linux/vermagic.h -index 6f8fbcf..8259001 100644 ---- a/include/linux/vermagic.h -+++ b/include/linux/vermagic.h -@@ -25,9 +25,35 @@ - #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 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 - -diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h -index 7d5773a..541c01c 100644 ---- a/include/linux/vmalloc.h -+++ b/include/linux/vmalloc.h -@@ -16,6 +16,11 @@ struct vm_area_struct; /* vma defining user mapping in mm_types.h */ - #define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */ - #define VM_VPAGES 0x00000010 /* buffer for pages was vmalloc'ed */ - #define VM_UNLIST 0x00000020 /* vm_struct is not listed in vmlist */ -+ -+#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+#define VM_KERNEXEC 0x00000040 /* allocate from executable kernel memory range */ -+#endif -+ - /* bits [20..32] reserved for arch specific ioremap internals */ - - /* -@@ -75,7 +80,7 @@ extern void *vmalloc_32_user(unsigned long size); - extern void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot); - extern void *__vmalloc_node_range(unsigned long size, unsigned long align, - unsigned long start, unsigned long end, gfp_t gfp_mask, -- pgprot_t prot, int node, const void *caller); -+ pgprot_t prot, int node, const void *caller) __size_overflow(1); - extern void vfree(const void *addr); - - extern void *vmap(struct page **pages, unsigned int count, -@@ -137,8 +142,8 @@ extern struct vm_struct *alloc_vm_area(size_t size, pte_t **ptes); - 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 vread(char *buf, char *addr, unsigned long count) __size_overflow(3); -+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 c586679..f06b389 100644 ---- a/include/linux/vmstat.h -+++ b/include/linux/vmstat.h -@@ -90,18 +90,18 @@ 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) - { -- 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; -@@ -112,7 +112,7 @@ static inline unsigned long global_page_state(enum zone_stat_item item) - static inline unsigned long 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; -@@ -129,7 +129,7 @@ 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; -@@ -221,8 +221,8 @@ 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 __inc_zone_page_state(struct page *page, -@@ -233,8 +233,8 @@ static inline void __inc_zone_page_state(struct page *page, - - 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 __dec_zone_page_state(struct page *page, -diff --git a/include/linux/xattr.h b/include/linux/xattr.h -index fdbafc6..49dfe4f 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 { - 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 9c5a6b4..09c9438 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 95d1c91..6798cca 100644 ---- a/include/media/v4l2-dev.h -+++ b/include/media/v4l2-dev.h -@@ -76,7 +76,7 @@ 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/net/9p/transport.h b/include/net/9p/transport.h -index adcbb20..62c2559 100644 ---- a/include/net/9p/transport.h -+++ b/include/net/9p/transport.h -@@ -57,7 +57,7 @@ struct p9_trans_module { - int (*cancel) (struct p9_client *, struct p9_req_t *req); - int (*zc_request)(struct p9_client *, struct p9_req_t *, - char *, char *, int , 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/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h -index fb94cf1..7c0c987 100644 ---- a/include/net/bluetooth/l2cap.h -+++ b/include/net/bluetooth/l2cap.h -@@ -551,7 +551,7 @@ struct l2cap_ops { - void (*defer) (struct l2cap_chan *chan); - struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan, - unsigned long len, int nb); --}; -+} __do_const; - - struct l2cap_conn { - struct hci_conn *hcon; -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 628e11b..4c475df 100644 ---- a/include/net/flow.h -+++ b/include/net/flow.h -@@ -221,6 +221,6 @@ extern struct flow_cache_object *flow_cache_lookup( - - extern void flow_cache_flush(void); - extern void flow_cache_flush_deferred(void); --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 93024a4..eeb6b6e 100644 ---- a/include/net/genetlink.h -+++ b/include/net/genetlink.h -@@ -119,7 +119,7 @@ struct genl_ops { - struct netlink_callback *cb); - int (*done)(struct netlink_callback *cb); - struct list_head ops_list; --}; -+} __do_const; - - extern int genl_register_family(struct genl_family *family); - extern int genl_register_family_with_ops(struct genl_family *family, -diff --git a/include/net/gro_cells.h b/include/net/gro_cells.h -index 734d9b5..48a9a4b 100644 ---- a/include/net/gro_cells.h -+++ b/include/net/gro_cells.h -@@ -29,7 +29,7 @@ static inline void gro_cells_receive(struct gro_cells *gcells, struct sk_buff *s - cell += skb_get_rx_queue(skb) & gcells->gro_cells_mask; - - 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 de2c785..0588a6b 100644 ---- a/include/net/inet_connection_sock.h -+++ b/include/net/inet_connection_sock.h -@@ -62,7 +62,7 @@ struct inet_connection_sock_af_ops { - void (*addr2sockaddr)(struct sock *sk, struct sockaddr *); - int (*bind_conflict)(const struct sock *sk, - const struct inet_bind_bucket *tb, bool relax); --}; -+} __do_const; - - /** inet_connection_sock - INET connection oriented sock - * -diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h -index 53f464d..ba76aaa 100644 ---- a/include/net/inetpeer.h -+++ b/include/net/inetpeer.h -@@ -47,8 +47,8 @@ struct inet_peer { - */ - union { - struct { -- atomic_t rid; /* Frag reception counter */ -- atomic_t ip_id_count; /* IP ID for the next packet */ -+ atomic_unchecked_t rid; /* Frag reception counter */ -+ atomic_unchecked_t ip_id_count; /* IP ID for the next packet */ - }; - struct rcu_head rcu; - struct inet_peer *gc_next; -@@ -182,11 +182,11 @@ static inline int inet_getid(struct inet_peer *p, int more) - more++; - inet_peer_refcheck(p); - do { -- old = atomic_read(&p->ip_id_count); -+ old = atomic_read_unchecked(&p->ip_id_count); - new = old + more; - if (!new) - new = 1; -- } while (atomic_cmpxchg(&p->ip_id_count, old, new) != old); -+ } while (atomic_cmpxchg_unchecked(&p->ip_id_count, old, new) != old); - return new; - } - -diff --git a/include/net/ip.h b/include/net/ip.h -index a68f838..74518ab 100644 ---- a/include/net/ip.h -+++ b/include/net/ip.h -@@ -202,7 +202,7 @@ extern struct local_ports { - } sysctl_local_ports; - extern void inet_get_local_port_range(int *low, int *high); - --extern unsigned long *sysctl_local_reserved_ports; -+extern unsigned long sysctl_local_reserved_ports[65536 / 8 / sizeof(unsigned long)]; - static inline int inet_is_reserved_local_port(int port) - { - return test_bit(port, sysctl_local_reserved_ports); -diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h -index e49db91..76a81de 100644 ---- a/include/net/ip_fib.h -+++ b/include/net/ip_fib.h -@@ -167,7 +167,7 @@ extern __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 4c062cc..3562c31 100644 ---- a/include/net/ip_vs.h -+++ b/include/net/ip_vs.h -@@ -612,7 +612,7 @@ 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, -@@ -761,7 +761,7 @@ 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 */ -@@ -1013,11 +1013,11 @@ 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 80ffde3..968b0f4 100644 ---- a/include/net/irda/ircomm_tty.h -+++ b/include/net/irda/ircomm_tty.h -@@ -35,6 +35,7 @@ - #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 df83f69..9b640b8 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); - - extern int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb); - extern 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 6ca3113..f8026dd 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); - - extern int llc_conn_ev_conn_req(struct sock *sk, struct sk_buff *skb); - extern 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 0e79cfb..f46db31 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; - llc_conn_ev_qfyr_t *ev_qualifiers; - 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 37a3bbd..55a4241 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); - - extern int llc_sap_action_unitdata_ind(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 567c681..cd73ac0 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; - 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 885898a..cdace34 100644 ---- a/include/net/mac80211.h -+++ b/include/net/mac80211.h -@@ -4205,7 +4205,7 @@ struct rate_control_ops { - void (*add_sta_debugfs)(void *priv, void *priv_sta, - struct dentry *dir); - void (*remove_sta_debugfs)(void *priv, 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 7e748ad..5c6229b 100644 ---- a/include/net/neighbour.h -+++ b/include/net/neighbour.h -@@ -123,7 +123,7 @@ 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; -diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h -index b176978..ea169f4 100644 ---- a/include/net/net_namespace.h -+++ b/include/net/net_namespace.h -@@ -117,7 +117,7 @@ struct net { - #endif - struct netns_ipvs *ipvs; - struct sock *diag_nlsk; -- atomic_t rt_genid; -+ atomic_unchecked_t rt_genid; - }; - - /* -@@ -274,7 +274,11 @@ static inline struct net *read_pnet(struct net * const *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 - - struct pernet_operations { -@@ -284,7 +288,7 @@ 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 -@@ -332,12 +336,12 @@ static inline void unregister_net_sysctl_table(struct ctl_table_header *header) - - static inline int rt_genid(struct net *net) - { -- return atomic_read(&net->rt_genid); -+ return atomic_read_unchecked(&net->rt_genid); - } - - static inline void rt_genid_bump(struct net *net) - { -- atomic_inc(&net->rt_genid); -+ atomic_inc_unchecked(&net->rt_genid); - } - - #endif /* __NET_NET_NAMESPACE_H */ -diff --git a/include/net/netdma.h b/include/net/netdma.h -index 8ba8ce2..99b7fff 100644 ---- a/include/net/netdma.h -+++ b/include/net/netdma.h -@@ -24,7 +24,7 @@ - #include <linux/dmaengine.h> - #include <linux/skbuff.h> - --int dma_skb_copy_datagram_iovec(struct dma_chan* chan, -+int __intentional_overflow(3,5) dma_skb_copy_datagram_iovec(struct dma_chan* chan, - struct sk_buff *skb, int offset, struct iovec *to, - size_t len, struct dma_pinned_list *pinned_list); - -diff --git a/include/net/netlink.h b/include/net/netlink.h -index 9690b0f..87aded7 100644 ---- a/include/net/netlink.h -+++ b/include/net/netlink.h -@@ -534,7 +534,7 @@ static inline void *nlmsg_get_pos(struct sk_buff *skb) - static inline void nlmsg_trim(struct sk_buff *skb, const void *mark) - { - if (mark) -- 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 c9c0c53..53f24c3 100644 ---- a/include/net/netns/conntrack.h -+++ b/include/net/netns/conntrack.h -@@ -12,10 +12,10 @@ 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; -@@ -58,7 +58,7 @@ 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 2ba9de8..47bd6c7 100644 ---- a/include/net/netns/ipv4.h -+++ b/include/net/netns/ipv4.h -@@ -67,7 +67,7 @@ struct netns_ipv4 { - kgid_t sysctl_ping_group_range[2]; - long sysctl_tcp_mem[3]; - -- atomic_t dev_addr_genid; -+ atomic_unchecked_t dev_addr_genid; - - #ifdef CONFIG_IP_MROUTE - #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES -diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h -index 005e2c2..023d340 100644 ---- a/include/net/netns/ipv6.h -+++ b/include/net/netns/ipv6.h -@@ -71,7 +71,7 @@ struct netns_ipv6 { - struct fib_rules_ops *mr6_rules_ops; - #endif - #endif -- atomic_t dev_addr_genid; -+ atomic_unchecked_t dev_addr_genid; - }; - - #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) -diff --git a/include/net/protocol.h b/include/net/protocol.h -index 047c047..b9dad15 100644 ---- a/include/net/protocol.h -+++ b/include/net/protocol.h -@@ -44,7 +44,7 @@ struct net_protocol { - void (*err_handler)(struct sk_buff *skb, u32 info); - unsigned int no_policy:1, - netns_ok:1; --}; -+} __do_const; - - #if IS_ENABLED(CONFIG_IPV6) - struct inet6_protocol { -@@ -57,7 +57,7 @@ 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 7026648..584cc8c 100644 ---- a/include/net/rtnetlink.h -+++ b/include/net/rtnetlink.h -@@ -81,7 +81,7 @@ struct rtnl_link_ops { - const struct net_device *dev); - unsigned int (*get_num_tx_queues)(void); - unsigned int (*get_num_rx_queues)(void); --}; -+} __do_const; - - extern int __rtnl_link_register(struct rtnl_link_ops *ops); - extern void __rtnl_link_unregister(struct rtnl_link_ops *ops); -diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h -index cd89510..d67810f 100644 ---- a/include/net/sctp/sctp.h -+++ b/include/net/sctp/sctp.h -@@ -330,9 +330,9 @@ do { \ - - #else /* SCTP_DEBUG */ - --#define SCTP_DEBUG_PRINTK(whatever...) --#define SCTP_DEBUG_PRINTK_CONT(fmt, args...) --#define SCTP_DEBUG_PRINTK_IPADDR(whatever...) -+#define SCTP_DEBUG_PRINTK(whatever...) do {} while (0) -+#define SCTP_DEBUG_PRINTK_CONT(fmt, args...) do {} while (0) -+#define SCTP_DEBUG_PRINTK_IPADDR(whatever...) do {} while (0) - #define SCTP_ENABLE_DEBUG - #define SCTP_DISABLE_DEBUG - #define SCTP_ASSERT(expr, str, func) -diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h -index 2a82d13..62a31c2 100644 ---- a/include/net/sctp/sm.h -+++ b/include/net/sctp/sm.h -@@ -87,7 +87,7 @@ 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. -@@ -299,7 +299,7 @@ __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 1bd4c41..9250b5b 100644 ---- a/include/net/sctp/structs.h -+++ b/include/net/sctp/structs.h -@@ -516,7 +516,7 @@ struct sctp_pf { - struct sctp_association *asoc); - void (*addr_v4map) (struct sctp_sock *, union sctp_addr *); - 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 66772cf..25bc45b 100644 ---- a/include/net/sock.h -+++ b/include/net/sock.h -@@ -325,7 +325,7 @@ struct sock { - #ifdef CONFIG_RPS - __u32 sk_rxhash; - #endif -- atomic_t sk_drops; -+ atomic_unchecked_t sk_drops; - int sk_rcvbuf; - - struct sk_filter __rcu *sk_filter; -@@ -1797,7 +1797,7 @@ 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, -- char __user *from, char *to, -+ char __user *from, unsigned char *to, - int copy, int offset) - { - if (skb->ip_summed == CHECKSUM_NONE) { -@@ -2056,7 +2056,7 @@ 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 -diff --git a/include/net/tcp.h b/include/net/tcp.h -index 5bba80f..8520a82 100644 ---- a/include/net/tcp.h -+++ b/include/net/tcp.h -@@ -524,7 +524,7 @@ extern void tcp_retransmit_timer(struct sock *sk); - extern void tcp_xmit_retransmit_queue(struct sock *); - extern void tcp_simple_retransmit(struct sock *); - extern int tcp_trim_head(struct sock *, struct sk_buff *, u32); --extern int tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int); -+extern int __intentional_overflow(3) tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int); - - extern void tcp_send_probe0(struct sock *); - extern void tcp_send_partial(struct sock *); -@@ -697,8 +697,8 @@ struct tcp_skb_cb { - struct inet6_skb_parm h6; - #endif - } header; /* For incoming frames */ -- __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 */ - __u32 when; /* used to compute rtt's */ - __u8 tcp_flags; /* TCP header flags. (tcp[13]) */ - -@@ -712,7 +712,7 @@ 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 */ - }; - - #define TCP_SKB_CB(__skb) ((struct tcp_skb_cb *)&((__skb)->cb[0])) -diff --git a/include/net/xfrm.h b/include/net/xfrm.h -index 94ce082..62b278d 100644 ---- a/include/net/xfrm.h -+++ b/include/net/xfrm.h -@@ -305,7 +305,7 @@ 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; - - extern int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo); - extern int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo); -@@ -341,7 +341,7 @@ struct xfrm_state_afinfo { - struct sk_buff *skb); - int (*transport_finish)(struct sk_buff *skb, - int async); --}; -+} __do_const; - - extern int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo); - extern int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo); -@@ -424,7 +424,7 @@ struct xfrm_mode { - struct module *owner; - unsigned int encap; - int flags; --}; -+} __do_const; - - /* Flags for xfrm_mode. */ - enum { -@@ -521,7 +521,7 @@ 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; -diff --git a/include/rdma/iw_cm.h b/include/rdma/iw_cm.h -index 1a046b1..ee0bef0 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 e1379b4..67eafbe 100644 ---- a/include/scsi/libfc.h -+++ b/include/scsi/libfc.h -@@ -762,6 +762,7 @@ 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 -@@ -866,7 +867,7 @@ 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 cc64587..608f523 100644 ---- a/include/scsi/scsi_device.h -+++ b/include/scsi/scsi_device.h -@@ -171,9 +171,9 @@ 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_transport_fc.h b/include/scsi/scsi_transport_fc.h -index b797e8f..8e2c3aa 100644 ---- a/include/scsi/scsi_transport_fc.h -+++ b/include/scsi/scsi_transport_fc.h -@@ -751,7 +751,8 @@ 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 9031a26..750d592 100644 ---- a/include/sound/compress_driver.h -+++ b/include/sound/compress_driver.h -@@ -128,7 +128,7 @@ 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 85c1522..f44bad1 100644 ---- a/include/sound/soc.h -+++ b/include/sound/soc.h -@@ -781,7 +781,7 @@ struct snd_soc_codec_driver { - /* probe ordering - for components with runtime dependencies */ - int probe_order; - int remove_order; --}; -+} __do_const; - - /* SoC platform interface */ - struct snd_soc_platform_driver { -@@ -827,7 +827,7 @@ struct snd_soc_platform_driver { - unsigned int (*read)(struct snd_soc_platform *, unsigned int); - int (*write)(struct snd_soc_platform *, unsigned int, unsigned int); - int (*bespoke_trigger)(struct snd_pcm_substream *, int); --}; -+} __do_const; - - struct snd_soc_platform { - const char *name; -diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h -index 4ea4f98..a63629b 100644 ---- a/include/target/target_core_base.h -+++ b/include/target/target_core_base.h -@@ -653,7 +653,7 @@ struct se_device { - spinlock_t stats_lock; - /* 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 1c09820..7f5ec79 100644 ---- a/include/trace/events/irq.h -+++ b/include/trace/events/irq.h -@@ -36,7 +36,7 @@ struct softirq_action; - */ - TRACE_EVENT(irq_handler_entry, - -- TP_PROTO(int irq, struct irqaction *action), -+ TP_PROTO(int irq, const struct irqaction *action), - - TP_ARGS(irq, action), - -@@ -66,7 +66,7 @@ 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/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/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 ef6103b..d4e65dd 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/sysctl.h b/include/uapi/linux/sysctl.h -index 6d67213..8dab561 100644 ---- a/include/uapi/linux/sysctl.h -+++ b/include/uapi/linux/sysctl.h -@@ -155,7 +155,11 @@ enum - KERN_PANIC_ON_NMI=76, /* int: whether we will panic on an unrecovered */ - }; - -- -+#ifdef CONFIG_PAX_SOFTMODE -+enum { -+ PAX_SOFTMODE=1 /* PaX: disable/enable soft mode */ -+}; -+#endif - - /* CTL_VM names: */ - enum -diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h -index e4629b9..6958086 100644 ---- a/include/uapi/linux/xattr.h -+++ b/include/uapi/linux/xattr.h -@@ -63,5 +63,9 @@ - #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 1a91850..28573f8 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 2d9b831..ae4c8ac 100644 ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -1029,6 +1029,7 @@ 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. -@@ -1516,7 +1517,7 @@ 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). -@@ -1779,7 +1780,7 @@ 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 a2b49f2..03a0e17c 100644 ---- a/init/do_mounts.c -+++ b/init/do_mounts.c -@@ -355,11 +355,11 @@ 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 -@@ -480,18 +480,18 @@ 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); -@@ -585,6 +585,6 @@ 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 *)"."); - } -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 a67ef9d..2d17ed9 100644 ---- a/init/initramfs.c -+++ b/init/initramfs.c -@@ -84,7 +84,7 @@ 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]; - -@@ -119,7 +119,7 @@ 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); - } -@@ -281,7 +281,7 @@ 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; - } -@@ -290,11 +290,11 @@ static void __init clean_path(char *path, umode_t mode) - { - struct stat st; - -- if (!sys_newlstat(path, &st) && (st.st_mode^mode) & S_IFMT) { -+ if (!sys_newlstat((char __force_user *)path, (struct stat __force_user *)&st) && (st.st_mode^mode) & 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); - } - } - -@@ -315,7 +315,7 @@ 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); -@@ -327,17 +327,17 @@ 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; -@@ -346,15 +346,15 @@ static int __init do_name(void) - static int __init do_copy(void) - { - if (count >= body_len) { -- sys_write(wfd, victim, body_len); -+ sys_write(wfd, (char __force_user *)victim, body_len); - sys_close(wfd); -- do_utime(vcollected, mtime); -+ do_utime((char __force_user *)vcollected, mtime); - kfree(vcollected); - eat(body_len); - state = SkipIt; - return 0; - } else { -- sys_write(wfd, victim, count); -+ sys_write(wfd, (char __force_user *)victim, count); - body_len -= count; - eat(count); - return 1; -@@ -365,9 +365,9 @@ 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; -@@ -583,7 +583,7 @@ static int __init populate_rootfs(void) - { - char *err = unpack_to_rootfs(__initramfs_start, __initramfs_size); - if (err) -- panic(err); /* Failed to decompress INTERNAL initramfs */ -+ panic("%s", err); /* Failed to decompress INTERNAL initramfs */ - if (initrd_start) { - #ifdef CONFIG_BLK_DEV_RAM - int fd; -diff --git a/init/main.c b/init/main.c -index 9484f4b..0eac7c3 100644 ---- a/init/main.c -+++ b/init/main.c -@@ -100,6 +100,8 @@ static inline void mark_rodata_ro(void) { } - extern void tc_init(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 -@@ -153,6 +155,74 @@ 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 -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+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[]; -+#endif -+ -+#if defined(CONFIG_X86) && defined(CONFIG_PAX_MEMORY_UDEREF) -+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_PCID); -+#endif -+ -+ return 0; -+} -+early_param("pax_nouderef", setup_pax_nouderef); -+ -+#ifdef CONFIG_X86_64 -+static int __init setup_pax_weakuderef(char *str) -+{ -+ if (clone_pgd_mask != ~(pgdval_t)0UL) -+ pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT; -+ return 1; -+} -+__setup("pax_weakuderef", setup_pax_weakuderef); -+#endif -+#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; -@@ -655,8 +725,6 @@ static void __init do_ctors(void) - bool initcall_debug; - core_param(initcall_debug, initcall_debug, bool, 0644); - --static char msgbuf[64]; -- - static int __init_or_module do_one_initcall_debug(initcall_t fn) - { - ktime_t calltime, delta, rettime; -@@ -679,23 +747,22 @@ int __init_or_module do_one_initcall(initcall_t fn) - { - int count = preempt_count(); - int ret; -+ const char *msg1 = "", *msg2 = ""; - - if (initcall_debug) - ret = do_one_initcall_debug(fn); - else - ret = fn(); - -- msgbuf[0] = 0; -- - if (preempt_count() != count) { -- sprintf(msgbuf, "preemption imbalance "); -+ msg1 = " preemption imbalance"; - preempt_count() = 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); - - return ret; - } -@@ -748,8 +815,14 @@ static void __init do_initcall_level(int level) - level, level, - &repair_env_string); - -- for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++) -+ for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++) { - do_one_initcall(*fn); -+ -+#ifdef LATENT_ENTROPY_PLUGIN -+ add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy)); -+#endif -+ -+ } - } - - static void __init do_initcalls(void) -@@ -783,8 +856,14 @@ static void __init do_pre_smp_initcalls(void) - { - initcall_t *fn; - -- for (fn = __initcall_start; fn < __initcall0_start; fn++) -+ for (fn = __initcall_start; fn < __initcall0_start; fn++) { - do_one_initcall(*fn); -+ -+#ifdef LATENT_ENTROPY_PLUGIN -+ add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy)); -+#endif -+ -+ } - } - - /* -@@ -802,8 +881,8 @@ static int run_init_process(const char *init_filename) - { - argv_init[0] = init_filename; - return do_execve(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 noinline void __init kernel_init_freeable(void); -@@ -880,7 +959,7 @@ 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); -@@ -893,11 +972,13 @@ 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/ipc_sysctl.c b/ipc/ipc_sysctl.c -index 130dfec..cc88451 100644 ---- a/ipc/ipc_sysctl.c -+++ b/ipc/ipc_sysctl.c -@@ -30,7 +30,7 @@ static void *get_ipc(ctl_table *table) - static int proc_ipc_dointvec(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(ctl_table *table, int write, - static int proc_ipc_dointvec_minmax(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(ctl_table *table, int write, - static int proc_ipc_callback_dointvec(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; - size_t lenp_bef = *lenp; - int rc; - -@@ -88,7 +88,7 @@ static int proc_ipc_callback_dointvec(ctl_table *table, int write, - static int proc_ipc_doulongvec_minmax(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); - -@@ -122,7 +122,7 @@ static void ipc_auto_callback(int val) - static int proc_ipcauto_dointvec_minmax(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; - size_t lenp_bef = *lenp; - int oldval; - int rc; -diff --git a/ipc/mq_sysctl.c b/ipc/mq_sysctl.c -index 383d638..943fdbb 100644 ---- a/ipc/mq_sysctl.c -+++ b/ipc/mq_sysctl.c -@@ -25,7 +25,7 @@ static void *get_mq(ctl_table *table) - static int proc_mq_dointvec_minmax(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 e4e47f6..a85e0ad 100644 ---- a/ipc/mqueue.c -+++ b/ipc/mqueue.c -@@ -278,6 +278,7 @@ 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/msg.c b/ipc/msg.c -index d0c6d96..69a893c 100644 ---- a/ipc/msg.c -+++ b/ipc/msg.c -@@ -296,18 +296,19 @@ static inline int msg_security(struct kern_ipc_perm *ipcp, int msgflg) - return security_msg_queue_associate(msq, msgflg); - } - -+static struct ipc_ops msg_ops = { -+ .getnew = newque, -+ .associate = msg_security, -+ .more_checks = NULL -+}; -+ - SYSCALL_DEFINE2(msgget, key_t, key, int, msgflg) - { - struct ipc_namespace *ns; -- struct ipc_ops msg_ops; - struct ipc_params msg_params; - - ns = current->nsproxy->ipc_ns; - -- msg_ops.getnew = newque; -- msg_ops.associate = msg_security; -- msg_ops.more_checks = NULL; -- - msg_params.key = key; - msg_params.flg = msgflg; - -diff --git a/ipc/sem.c b/ipc/sem.c -index 70480a3..f4e8262 100644 ---- a/ipc/sem.c -+++ b/ipc/sem.c -@@ -460,10 +460,15 @@ static inline int sem_more_checks(struct kern_ipc_perm *ipcp, - return 0; - } - -+static struct ipc_ops sem_ops = { -+ .getnew = newary, -+ .associate = sem_security, -+ .more_checks = sem_more_checks -+}; -+ - SYSCALL_DEFINE3(semget, key_t, key, int, nsems, int, semflg) - { - struct ipc_namespace *ns; -- struct ipc_ops sem_ops; - struct ipc_params sem_params; - - ns = current->nsproxy->ipc_ns; -@@ -471,10 +476,6 @@ SYSCALL_DEFINE3(semget, key_t, key, int, nsems, int, semflg) - if (nsems < 0 || nsems > ns->sc_semmsl) - return -EINVAL; - -- sem_ops.getnew = newary; -- sem_ops.associate = sem_security; -- sem_ops.more_checks = sem_more_checks; -- - sem_params.key = key; - sem_params.flg = semflg; - sem_params.u.nsems = nsems; -diff --git a/ipc/shm.c b/ipc/shm.c -index 7e199fa..180a1ca 100644 ---- a/ipc/shm.c -+++ b/ipc/shm.c -@@ -69,6 +69,14 @@ 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 time_t 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 time_t shm_createtime); -+#endif -+ - void shm_init_ns(struct ipc_namespace *ns) - { - ns->shm_ctlmax = SHMMAX; -@@ -531,6 +539,14 @@ 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 -+ { -+ struct timespec timeval; -+ do_posix_clock_monotonic_gettime(&timeval); -+ -+ shp->shm_createtime = timeval.tv_sec; -+ } -+#endif - shp->shm_segsz = size; - shp->shm_nattch = 0; - shp->shm_file = file; -@@ -582,18 +598,19 @@ static inline int shm_more_checks(struct kern_ipc_perm *ipcp, - return 0; - } - -+static struct ipc_ops shm_ops = { -+ .getnew = newseg, -+ .associate = shm_security, -+ .more_checks = shm_more_checks -+}; -+ - SYSCALL_DEFINE3(shmget, key_t, key, size_t, size, int, shmflg) - { - struct ipc_namespace *ns; -- struct ipc_ops shm_ops; - struct ipc_params shm_params; - - ns = current->nsproxy->ipc_ns; - -- shm_ops.getnew = newseg; -- shm_ops.associate = shm_security; -- shm_ops.more_checks = shm_more_checks; -- - shm_params.key = key; - shm_params.flg = shmflg; - shm_params.u.size = size; -@@ -1014,6 +1031,12 @@ 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; - } -@@ -1037,9 +1060,21 @@ 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 -+ - 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(path.dentry->d_inode); - shm_unlock(shp); - -diff --git a/kernel/acct.c b/kernel/acct.c -index 8d6e145..33e0b1e 100644 ---- a/kernel/acct.c -+++ b/kernel/acct.c -@@ -556,7 +556,7 @@ static void do_acct_process(struct bsd_acct_struct *acct, - */ - flim = current->signal->rlim[RLIMIT_FSIZE].rlim_cur; - current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY; -- file->f_op->write(file, (char *)&ac, -+ file->f_op->write(file, (char __force_user *)&ac, - sizeof(acct_t), &file->f_pos); - current->signal->rlim[RLIMIT_FSIZE].rlim_cur = flim; - set_fs(fs); -diff --git a/kernel/audit.c b/kernel/audit.c -index 91e53d0..d9e3ec4 100644 ---- a/kernel/audit.c -+++ b/kernel/audit.c -@@ -118,7 +118,7 @@ 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; -@@ -240,7 +240,7 @@ 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); - -@@ -259,7 +259,7 @@ void audit_log_lost(const char *message) - printk(KERN_WARNING - "audit: audit_lost=%d audit_rate_limit=%d " - "audit_backlog_limit=%d\n", -- atomic_read(&audit_lost), -+ atomic_read_unchecked(&audit_lost), - audit_rate_limit, - audit_backlog_limit); - audit_panic(message); -@@ -664,7 +664,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) - status_set.pid = audit_pid; - status_set.rate_limit = audit_rate_limit; - status_set.backlog_limit = audit_backlog_limit; -- status_set.lost = atomic_read(&audit_lost); -+ status_set.lost = atomic_read_unchecked(&audit_lost); - status_set.backlog = skb_queue_len(&audit_skb_queue); - audit_send_reply(NETLINK_CB(skb).portid, seq, AUDIT_GET, 0, 0, - &status_set, sizeof(status_set)); -diff --git a/kernel/auditfilter.c b/kernel/auditfilter.c -index 6bd4a90..0ee9eff 100644 ---- a/kernel/auditfilter.c -+++ b/kernel/auditfilter.c -@@ -423,7 +423,7 @@ static struct audit_entry *audit_data_to_entry(struct audit_rule_data *data, - f->lsm_rule = NULL; - - /* Support legacy tests for a valid loginuid */ -- if ((f->type == AUDIT_LOGINUID) && (f->val == 4294967295)) { -+ if ((f->type == AUDIT_LOGINUID) && (f->val == 4294967295U)) { - f->type = AUDIT_LOGINUID_SET; - f->val = 0; - } -diff --git a/kernel/auditsc.c b/kernel/auditsc.c -index 3c8a601..3a416f6 100644 ---- a/kernel/auditsc.c -+++ b/kernel/auditsc.c -@@ -1956,7 +1956,7 @@ 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); - - /** - * audit_set_loginuid - set current task's audit_context loginuid -@@ -1980,7 +1980,7 @@ int audit_set_loginuid(kuid_t loginuid) - return -EPERM; - #endif /* CONFIG_AUDIT_LOGINUID_IMMUTABLE */ - -- sessionid = atomic_inc_return(&session_id); -+ sessionid = atomic_inc_return_unchecked(&session_id); - if (context && context->in_syscall) { - struct audit_buffer *ab; - -diff --git a/kernel/capability.c b/kernel/capability.c -index f6c2ce5..982c0f9 100644 ---- a/kernel/capability.c -+++ b/kernel/capability.c -@@ -202,6 +202,9 @@ 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; -@@ -303,10 +306,11 @@ 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; - } - - /** -@@ -343,10 +347,10 @@ 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; - } - - /** -@@ -384,7 +388,7 @@ 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; - } -@@ -392,6 +396,21 @@ 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))) { -+ printk(KERN_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); -+ - /** - * file_ns_capable - Determine if the file's opener had a capability in effect - * @file: The file we want to check -@@ -432,6 +451,12 @@ bool capable(int cap) - } - EXPORT_SYMBOL(capable); - -+bool capable_nolog(int cap) -+{ -+ return ns_capable_nolog(&init_user_ns, cap); -+} -+EXPORT_SYMBOL(capable_nolog); -+ - /** - * nsown_capable - Check superior capability to one's own user_ns - * @cap: The capability in question -@@ -464,3 +489,10 @@ bool inode_capable(const struct inode *inode, int cap) - - return ns_capable(ns, cap) && kuid_has_mapping(ns, inode->i_uid); - } -+ -+bool inode_capable_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); -+} -diff --git a/kernel/cgroup.c b/kernel/cgroup.c -index 2e9b387..61817b1 100644 ---- a/kernel/cgroup.c -+++ b/kernel/cgroup.c -@@ -5398,7 +5398,7 @@ static int cgroup_css_links_read(struct cgroup *cont, - struct css_set *cg = link->cg; - struct task_struct *task; - int count = 0; -- seq_printf(seq, "css_set %p\n", cg); -+ seq_printf(seq, "css_set %pK\n", cg); - list_for_each_entry(task, &cg->tasks, cg_list) { - if (count++ > MAX_TASKS_SHOWN_PER_CSS) { - seq_puts(seq, " ...\n"); -diff --git a/kernel/compat.c b/kernel/compat.c -index 0a09e48..f44f3f0 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 @@ asmlinkage long compat_sys_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); - -@@ -361,7 +362,7 @@ asmlinkage long compat_sys_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); -@@ -451,7 +452,7 @@ asmlinkage long compat_sys_old_getrlimit(unsigned int resource, - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); -- ret = sys_old_getrlimit(resource, &r); -+ ret = sys_old_getrlimit(resource, (struct rlimit __force_user *)&r); - set_fs(old_fs); - - if (!ret) { -@@ -533,8 +534,8 @@ 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) { -@@ -560,8 +561,8 @@ 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)) -@@ -695,8 +696,8 @@ long compat_sys_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; -@@ -713,7 +714,7 @@ long compat_sys_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; -@@ -732,7 +733,7 @@ long compat_sys_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; - } -@@ -747,7 +748,7 @@ long compat_sys_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 && put_compat_timespec(&ts, tp)) - return -EFAULT; -@@ -767,7 +768,7 @@ long compat_sys_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); -@@ -787,7 +788,7 @@ long compat_sys_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 && put_compat_timespec(&ts, tp)) - return -EFAULT; -@@ -799,9 +800,9 @@ static long compat_clock_nanosleep_restart(struct restart_block *restart) - long err; - mm_segment_t oldfs; - struct timespec tu; -- struct compat_timespec *rmtp = restart->nanosleep.compat_rmtp; -+ 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); -@@ -833,8 +834,8 @@ long compat_sys_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 && -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 e0573a4..3874e41 100644 ---- a/kernel/cred.c -+++ b/kernel/cred.c -@@ -164,6 +164,16 @@ 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); -+ alter_cred_subscribers(cred, -1); -+ put_cred(cred); -+ } -+#endif - } - - /** -@@ -411,7 +421,7 @@ 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; -@@ -430,6 +440,8 @@ 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) || -@@ -479,6 +491,102 @@ 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 -+ if (set_groups(ncred, new->group_info) < 0) { -+ abort_creds(ncred); -+ goto die; -+ } -+ // 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; -+ -+ /* 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)) { -+ if (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 0506d44..2c20034 100644 ---- a/kernel/debug/debug_core.c -+++ b/kernel/debug/debug_core.c -@@ -123,7 +123,7 @@ 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; -@@ -133,7 +133,7 @@ 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 -@@ -541,7 +541,7 @@ 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); -@@ -635,8 +635,8 @@ 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 -@@ -888,18 +888,18 @@ 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 00eb8f7..d7e3244 100644 ---- a/kernel/debug/kdb/kdb_main.c -+++ b/kernel/debug/kdb/kdb_main.c -@@ -1974,7 +1974,7 @@ 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("%4ld ", module_refcount(mod)); - #endif -@@ -1984,7 +1984,7 @@ 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 e76e495..cbfe63a 100644 ---- a/kernel/events/core.c -+++ b/kernel/events/core.c -@@ -156,8 +156,15 @@ 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_mostly = 3; -+#elif defined(CONFIG_GRKERNSEC_HIDESYM) -+int sysctl_perf_event_legitimately_concerned __read_mostly = 2; -+#else -+int sysctl_perf_event_legitimately_concerned __read_mostly = 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 */ -@@ -184,7 +191,7 @@ int perf_proc_update_handler(struct ctl_table *table, int write, - return 0; - } - --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); -@@ -2747,7 +2754,7 @@ static void __perf_event_read(void *info) - - 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); - } - - static u64 perf_event_read(struct perf_event *event) -@@ -3093,9 +3100,9 @@ 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); -@@ -3481,10 +3488,10 @@ 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(userpg, now); - -@@ -4034,7 +4041,7 @@ 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); -@@ -4122,11 +4129,11 @@ 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); -@@ -4835,12 +4842,12 @@ static void perf_event_mmap_event(struct perf_mmap_event *mmap_event) - * need to add enough zero bytes after the string to handle - * the 64bit alignment we do later. - */ -- buf = kzalloc(PATH_MAX + sizeof(u64), GFP_KERNEL); -+ buf = kzalloc(PATH_MAX, GFP_KERNEL); - if (!buf) { - name = strncpy(tmp, "//enomem", sizeof(tmp)); - goto got_name; - } -- name = d_path(&file->f_path, buf, PATH_MAX); -+ name = d_path(&file->f_path, buf, PATH_MAX - sizeof(u64)); - if (IS_ERR(name)) { - name = strncpy(tmp, "//toolong", sizeof(tmp)); - goto got_name; -@@ -6262,7 +6269,7 @@ 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; - -@@ -6572,6 +6579,11 @@ 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; -@@ -6904,10 +6916,10 @@ 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 ca65997..60df03d 100644 ---- a/kernel/events/internal.h -+++ b/kernel/events/internal.h -@@ -81,10 +81,10 @@ static inline unsigned long perf_data_size(struct ring_buffer *rb) - return rb->nr_pages << (PAGE_SHIFT + page_order(rb)); - } - --#define DEFINE_OUTPUT_COPY(func_name, memcpy_func) \ --static inline unsigned int \ -+#define DEFINE_OUTPUT_COPY(func_name, memcpy_func, user) \ -+static inline unsigned long \ - func_name(struct perf_output_handle *handle, \ -- const void *buf, unsigned int len) \ -+ const void user *buf, unsigned long len) \ - { \ - unsigned long size, written; \ - \ -@@ -116,17 +116,17 @@ static inline int memcpy_common(void *dst, const void *src, size_t n) - return n; - } - --DEFINE_OUTPUT_COPY(__output_copy, memcpy_common) -+DEFINE_OUTPUT_COPY(__output_copy, memcpy_common, ) - - #define MEMCPY_SKIP(dst, src, n) (n) - --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 __copy_from_user_inatomic - #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 f356974..cb8c570 100644 ---- a/kernel/events/uprobes.c -+++ b/kernel/events/uprobes.c -@@ -1556,7 +1556,7 @@ 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 7bb73f9..d7978ed 100644 ---- a/kernel/exit.c -+++ b/kernel/exit.c -@@ -172,6 +172,10 @@ 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(); -@@ -340,7 +344,7 @@ int allow_signal(int sig) - * know it'll be handled, so that they don't get converted to - * SIGKILL or just silently dropped. - */ -- current->sighand->action[(sig)-1].sa.sa_handler = (void __user *)2; -+ current->sighand->action[(sig)-1].sa.sa_handler = (__force void __user *)2; - recalc_sigpending(); - spin_unlock_irq(&current->sighand->siglock); - return 0; -@@ -709,6 +713,8 @@ void do_exit(long code) - struct task_struct *tsk = current; - int group_dead; - -+ set_fs(USER_DS); -+ - profile_task_exit(tsk); - - WARN_ON(blk_needs_flush_plug(tsk)); -@@ -725,7 +731,6 @@ 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); - -@@ -784,6 +789,9 @@ 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) -@@ -905,7 +913,7 @@ 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 ffbc090..08ceeee 100644 ---- a/kernel/fork.c -+++ b/kernel/fork.c -@@ -319,7 +319,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) - *stackend = STACK_END_MAGIC; /* for overflow detection */ - - #ifdef CONFIG_CC_STACKPROTECTOR -- tsk->stack_canary = get_random_int(); -+ tsk->stack_canary = pax_get_random_long(); - #endif - - /* -@@ -345,13 +345,81 @@ free_tsk: - } - - #ifdef CONFIG_MMU -+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 mempolicy *pol; -+ struct file *file; -+ -+ 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); -+ pol = mpol_dup(vma_policy(mpnt)); -+ if (IS_ERR(pol)) -+ goto fail_nomem_policy; -+ vma_set_policy(tmp, pol); -+ 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); -+ mutex_lock(&mapping->i_mmap_mutex); -+ if (tmp->vm_flags & VM_SHARED) -+ mapping->i_mmap_writable++; -+ flush_dcache_mmap_lock(mapping); -+ /* insert tmp into the share list, just after mpnt */ -+ if (unlikely(tmp->vm_flags & VM_NONLINEAR)) -+ vma_nonlinear_insert(tmp, &mapping->i_mmap_nonlinear); -+ else -+ vma_interval_tree_insert_after(tmp, mpnt, &mapping->i_mmap); -+ flush_dcache_mmap_unlock(mapping); -+ mutex_unlock(&mapping->i_mmap_mutex); -+ } -+ -+ /* -+ * 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(pol); -+fail_nomem_policy: -+ kmem_cache_free(vm_area_cachep, tmp); -+fail_nomem: -+ vm_unacct_memory(charge); -+ return NULL; -+} -+ - static 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; -- struct mempolicy *pol; - - uprobe_start_dup_mmap(); - down_write(&oldmm->mmap_sem); -@@ -365,8 +433,8 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) - mm->locked_vm = 0; - mm->mmap = NULL; - mm->mmap_cache = NULL; -- mm->free_area_cache = oldmm->mmap_base; -- mm->cached_hole_size = ~0UL; -+ mm->free_area_cache = oldmm->free_area_cache; -+ mm->cached_hole_size = oldmm->cached_hole_size; - mm->map_count = 0; - cpumask_clear(mm_cpumask(mm)); - mm->mm_rb = RB_ROOT; -@@ -382,57 +450,15 @@ 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); -- pol = mpol_dup(vma_policy(mpnt)); -- retval = PTR_ERR(pol); -- if (IS_ERR(pol)) -- goto fail_nomem_policy; -- vma_set_policy(tmp, pol); -- 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); -- mutex_lock(&mapping->i_mmap_mutex); -- if (tmp->vm_flags & VM_SHARED) -- mapping->i_mmap_writable++; -- flush_dcache_mmap_lock(mapping); -- /* insert tmp into the share list, just after mpnt */ -- if (unlikely(tmp->vm_flags & VM_NONLINEAR)) -- vma_nonlinear_insert(tmp, -- &mapping->i_mmap_nonlinear); -- else -- vma_interval_tree_insert_after(tmp, mpnt, -- &mapping->i_mmap); -- flush_dcache_mmap_unlock(mapping); -- mutex_unlock(&mapping->i_mmap_mutex); -+ tmp = dup_vma(mm, oldmm, mpnt); -+ if (!tmp) { -+ retval = -ENOMEM; -+ goto out; - } - - /* -@@ -464,6 +490,31 @@ 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; -@@ -473,14 +524,6 @@ out: - up_write(&oldmm->mmap_sem); - uprobe_end_dup_mmap(); - return retval; --fail_nomem_anon_vma_fork: -- mpol_put(pol); --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) -@@ -695,8 +738,8 @@ 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); - } -@@ -918,13 +961,20 @@ 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; - } - -@@ -1197,10 +1247,13 @@ 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 (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) && -- p->real_cred->user != INIT_USER) -+ if (p->real_cred->user != INIT_USER && -+ !capable(CAP_SYS_RESOURCE) && !capable(CAP_SYS_ADMIN)) - goto bad_fork_free; - } - current->flags &= ~PF_NPROC_EXCEEDED; -@@ -1446,6 +1499,11 @@ 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 (clone_flags & CLONE_THREAD) { - current->signal->nr_threads++; - atomic_inc(&current->signal->live); -@@ -1529,6 +1587,8 @@ bad_fork_cleanup_count: - bad_fork_free: - free_task(p); - fork_out: -+ gr_log_forkfail(retval); -+ - return ERR_PTR(retval); - } - -@@ -1613,6 +1673,8 @@ 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); -@@ -1729,7 +1791,7 @@ 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(); - } -@@ -1769,7 +1831,7 @@ 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); -@@ -1881,7 +1943,8 @@ 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; -diff --git a/kernel/futex.c b/kernel/futex.c -index 49dacfb..2ac4526 100644 ---- a/kernel/futex.c -+++ b/kernel/futex.c -@@ -54,6 +54,7 @@ - #include <linux/mount.h> - #include <linux/pagemap.h> - #include <linux/syscalls.h> -+#include <linux/ptrace.h> - #include <linux/signal.h> - #include <linux/export.h> - #include <linux/magic.h> -@@ -242,6 +243,11 @@ 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. - */ -@@ -440,7 +446,7 @@ 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)); -@@ -2733,6 +2739,7 @@ static int __init futex_init(void) - { - u32 curval; - int i; -+ mm_segment_t oldfs; - - /* - * This will fail and we want it. Some arch implementations do -@@ -2744,8 +2751,11 @@ static int __init futex_init(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); - - for (i = 0; i < ARRAY_SIZE(futex_queues); i++) { - plist_head_init(&futex_queues[i].chain); -diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c -index f9f44fd..29885e4 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 9b22d03..6295b62 100644 ---- a/kernel/gcov/base.c -+++ b/kernel/gcov/base.c -@@ -102,11 +102,6 @@ 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) -@@ -121,7 +116,7 @@ static int gcov_module_notifier(struct notifier_block *nb, unsigned long event, - prev = NULL; - /* Remove entries located in module from linked list. */ - for (info = gcov_info_head; info; info = info->next) { -- if (within(info, mod->module_core, mod->core_size)) { -+ if (within_module_core_rw((unsigned long)info, mod)) { - if (prev) - prev->next = info->next; - else -diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c -index 2288fbd..0f3941f 100644 ---- a/kernel/hrtimer.c -+++ b/kernel/hrtimer.c -@@ -1435,7 +1435,7 @@ void hrtimer_peek_ahead_timers(void) - local_irq_restore(flags); - } - --static void run_hrtimer_softirq(struct softirq_action *h) -+static void run_hrtimer_softirq(void) - { - hrtimer_peek_ahead_timers(); - } -@@ -1770,7 +1770,7 @@ static int __cpuinit hrtimer_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata hrtimers_nb = { -+static struct notifier_block hrtimers_nb = { - .notifier_call = hrtimer_cpu_notify, - }; - -diff --git a/kernel/irq_work.c b/kernel/irq_work.c -index 55fcce6..0e4cf34 100644 ---- a/kernel/irq_work.c -+++ b/kernel/irq_work.c -@@ -189,12 +189,13 @@ static int irq_work_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block cpu_notify; -+static struct notifier_block cpu_notify = { -+ .notifier_call = irq_work_cpu_notify, -+ .priority = 0, -+}; - - static __init int irq_work_init_cpu_notifier(void) - { -- cpu_notify.notifier_call = irq_work_cpu_notify; -- cpu_notify.priority = 0; - register_cpu_notifier(&cpu_notify); - return 0; - } -diff --git a/kernel/jump_label.c b/kernel/jump_label.c -index 60f48fa..7f3a770 100644 ---- a/kernel/jump_label.c -+++ b/kernel/jump_label.c -@@ -13,6 +13,7 @@ - #include <linux/sort.h> - #include <linux/err.h> - #include <linux/static_key.h> -+#include <linux/mm.h> - - #ifdef HAVE_JUMP_LABEL - -@@ -50,7 +51,9 @@ 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); -@@ -357,10 +360,12 @@ 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 3127ad5..159d880 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> -@@ -53,12 +56,33 @@ extern const unsigned long kallsyms_markers[] __attribute__((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) || -@@ -69,13 +93,28 @@ 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); - -@@ -480,7 +519,6 @@ 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; - } -@@ -528,6 +566,11 @@ 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; -@@ -541,6 +584,7 @@ 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 -@@ -566,7 +610,7 @@ static int kallsyms_open(struct inode *inode, struct file *file) - struct kallsym_iter *iter; - int ret; - -- iter = kmalloc(sizeof(*iter), GFP_KERNEL); -+ iter = kzalloc(sizeof(*iter), GFP_KERNEL); - if (!iter) - return -ENOMEM; - reset_iter(iter, 0); -diff --git a/kernel/kcmp.c b/kernel/kcmp.c -index e30ac0f..3528cac 100644 ---- a/kernel/kcmp.c -+++ b/kernel/kcmp.c -@@ -99,6 +99,10 @@ 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 59f7b55..4022f65 100644 ---- a/kernel/kexec.c -+++ b/kernel/kexec.c -@@ -1041,7 +1041,8 @@ asmlinkage long compat_sys_kexec_load(unsigned long entry, - unsigned long 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 8241906..d625f2c 100644 ---- a/kernel/kmod.c -+++ b/kernel/kmod.c -@@ -75,7 +75,7 @@ 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[] = { -@@ -85,7 +85,7 @@ 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; - -@@ -97,7 +97,8 @@ 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); -@@ -129,9 +130,8 @@ 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; -@@ -147,9 +147,7 @@ int __request_module(bool wait, const char *fmt, ...) - */ - WARN_ON_ONCE(wait && current_is_async()); - -- 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; - -@@ -157,6 +155,20 @@ 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 -@@ -185,11 +197,52 @@ 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 */ - -@@ -300,7 +353,7 @@ 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 -@@ -651,7 +704,7 @@ 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 bddf3b2..233bf40 100644 ---- a/kernel/kprobes.c -+++ b/kernel/kprobes.c -@@ -31,6 +31,9 @@ - * jkenisto@us.ibm.com and Prasanna S Panchamukhi - * prasanna@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> -@@ -185,7 +188,7 @@ static kprobe_opcode_t __kprobes *__get_insn_slot(struct kprobe_insn_cache *c) - * kernel image and loaded module images reside. This is required - * so x86_64 can correctly handle the %rip-relative fixups. - */ -- kip->insns = module_alloc(PAGE_SIZE); -+ kip->insns = module_alloc_exec(PAGE_SIZE); - if (!kip->insns) { - kfree(kip); - return NULL; -@@ -225,7 +228,7 @@ static int __kprobes collect_one_slot(struct kprobe_insn_page *kip, int idx) - */ - if (!list_is_singular(&kip->list)) { - list_del(&kip->list); -- module_free(NULL, kip->insns); -+ module_free_exec(NULL, kip->insns); - kfree(kip); - } - return 1; -@@ -2083,7 +2086,7 @@ static int __init init_kprobes(void) - { - int i, err = 0; - unsigned long offset = 0, size = 0; -- char *modname, namebuf[128]; -+ char *modname, namebuf[KSYM_NAME_LEN]; - const char *symbol_name; - void *addr; - struct kprobe_blackpoint *kb; -@@ -2168,11 +2171,11 @@ static void __kprobes 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) -@@ -2209,7 +2212,7 @@ static int __kprobes show_kprobe_addr(struct seq_file *pi, void *v) - const char *sym = NULL; - unsigned int i = *(loff_t *) v; - unsigned long offset = 0; -- char *modname, namebuf[128]; -+ char *modname, namebuf[KSYM_NAME_LEN]; - - head = &kprobe_table[i]; - preempt_disable(); -diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c -index 6ada93c..dce7d5d 100644 ---- a/kernel/ksysfs.c -+++ b/kernel/ksysfs.c -@@ -46,6 +46,8 @@ 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') -@@ -172,7 +174,7 @@ 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/lockdep.c b/kernel/lockdep.c -index 1f3186b..bb7dbc6 100644 ---- a/kernel/lockdep.c -+++ b/kernel/lockdep.c -@@ -596,6 +596,10 @@ 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? - */ -@@ -736,6 +740,7 @@ 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(); -@@ -3080,7 +3085,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass, - if (!class) - return 0; - } -- atomic_inc((atomic_t *)&class->ops); -+ atomic_inc_unchecked((atomic_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/lockdep_proc.c b/kernel/lockdep_proc.c -index b2c71c5..7b88d63 100644 ---- a/kernel/lockdep_proc.c -+++ b/kernel/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"); - } -@@ -495,7 +495,7 @@ 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], -@@ -510,7 +510,7 @@ 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/module.c b/kernel/module.c -index fa53db8..6f17200 100644 ---- a/kernel/module.c -+++ b/kernel/module.c -@@ -61,6 +61,7 @@ - #include <linux/pfn.h> - #include <linux/bsearch.h> - #include <linux/fips.h> -+#include <linux/grsecurity.h> - #include <uapi/linux/module.h> - #include "module-internal.h" - -@@ -156,7 +157,8 @@ 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) - { -@@ -323,7 +325,7 @@ 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, -@@ -348,7 +350,7 @@ 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; -@@ -485,7 +487,7 @@ static inline void __percpu *mod_percpu(struct module *mod) - static int percpu_modalloc(struct module *mod, - unsigned long size, unsigned long align) - { -- if (align > PAGE_SIZE) { -+ if (align-1 >= PAGE_SIZE) { - printk(KERN_WARNING "%s: per-cpu alignment %li > %li\n", - mod->name, align, PAGE_SIZE); - align = PAGE_SIZE; -@@ -1089,7 +1091,7 @@ 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 = -@@ -1098,7 +1100,7 @@ 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 = -@@ -1313,7 +1315,7 @@ 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; -@@ -1453,7 +1455,7 @@ 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) -@@ -1565,7 +1567,7 @@ 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; - -@@ -1779,21 +1781,21 @@ 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); - } - -@@ -1806,14 +1808,14 @@ 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); - } - } -@@ -1829,14 +1831,14 @@ 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); - } - } -@@ -1887,16 +1889,19 @@ static void free_module(struct module *mod) - - /* This may be NULL, but that's OK */ - unset_module_init_ro_nx(mod); -- module_free(mod, mod->module_init); -+ module_free(mod, mod->module_init_rw); -+ module_free_exec(mod, mod->module_init_rx); - kfree(mod->args); - percpu_modfree(mod); - - /* Free lock-classes: */ -- 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_free(mod, mod->module_core); -+ module_free_exec(mod, mod->module_core_rx); -+ module_free(mod, mod->module_core_rw); - - #ifdef CONFIG_MPU - update_protections(current->mm); -@@ -1966,9 +1971,31 @@ 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: - /* We compiled with -fno-common. These are not -@@ -1989,7 +2016,9 @@ 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; - } - -@@ -2008,11 +2037,20 @@ 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; - } - -@@ -2096,22 +2134,12 @@ 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"); -@@ -2125,23 +2153,13 @@ 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; -- } - } - } - -@@ -2314,7 +2332,7 @@ 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); - -@@ -2331,13 +2349,13 @@ 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; -+ 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; - - /* 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; - pr_debug("\t%s\n", info->secstrings + strsect->sh_name); - } -@@ -2355,12 +2373,14 @@ 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 || -@@ -2372,6 +2392,8 @@ 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) -@@ -2405,17 +2427,33 @@ 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; -@@ -2691,8 +2729,14 @@ 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; - -@@ -2718,7 +2762,7 @@ 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; - } -@@ -2799,7 +2843,7 @@ 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 -@@ -2809,11 +2853,11 @@ 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 -@@ -2822,13 +2866,45 @@ static int move_module(struct module *mod, struct load_info *info) - */ - kmemleak_ignore(ptr); - if (!ptr) { -- module_free(mod, mod->module_core); -+ module_free(mod, 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_free(mod, mod->module_init_rw); -+ module_free(mod, 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_free_exec(mod, mod->module_core_rx); -+ if (mod->module_init_rw) -+ module_free(mod, mod->module_init_rw); -+ module_free(mod, 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"); -@@ -2839,16 +2915,45 @@ 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); - } -@@ -2905,12 +3010,12 @@ 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); - } -@@ -2977,8 +3082,10 @@ static int alloc_module_percpu(struct module *mod, struct load_info *info) - static void module_deallocate(struct module *mod, struct load_info *info) - { - percpu_modfree(mod); -- module_free(mod, mod->module_init); -- module_free(mod, mod->module_core); -+ module_free_exec(mod, mod->module_init_rx); -+ module_free_exec(mod, mod->module_core_rx); -+ module_free(mod, mod->module_init_rw); -+ module_free(mod, mod->module_core_rw); - } - - int __weak module_finalize(const Elf_Ehdr *hdr, -@@ -2991,7 +3098,9 @@ 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, -@@ -3045,16 +3154,16 @@ static int do_init_module(struct module *mod) - MODULE_STATE_COMING, 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); - - do_mod_ctors(mod); - /* Start the module */ -@@ -3116,11 +3225,12 @@ static int do_init_module(struct module *mod) - mod->strtab = mod->core_strtab; - #endif - unset_module_init_ro_nx(mod); -- module_free(mod, mod->module_init); -- mod->module_init = NULL; -- mod->init_size = 0; -- mod->init_ro_size = 0; -- mod->init_text_size = 0; -+ module_free(mod, mod->module_init_rw); -+ module_free_exec(mod, mod->module_init_rx); -+ mod->module_init_rw = NULL; -+ mod->module_init_rx = NULL; -+ mod->init_size_rw = 0; -+ mod->init_size_rx = 0; - mutex_unlock(&module_mutex); - wake_up_all(&module_wq); - -@@ -3252,9 +3362,38 @@ 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) -@@ -3270,13 +3409,6 @@ 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); - - /* Finally it's fully formed, ready to start executing. */ -@@ -3311,11 +3443,10 @@ 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: -@@ -3398,10 +3529,16 @@ 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). */ -@@ -3654,7 +3791,7 @@ 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. */ -@@ -3663,7 +3800,7 @@ 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) -@@ -3699,7 +3836,17 @@ 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); -@@ -3760,14 +3907,14 @@ 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) { - if (mod->state == MODULE_STATE_UNFORMED) - continue; -- if (within_module_core(addr, mod) -- || within_module_init(addr, mod)) -+ if (within_module_init(addr, mod) || within_module_core(addr, mod)) - return mod; - } - return NULL; -@@ -3802,11 +3949,20 @@ 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/mutex-debug.c b/kernel/mutex-debug.c -index 7e3443f..b2a1e6b 100644 ---- a/kernel/mutex-debug.c -+++ b/kernel/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/mutex-debug.h b/kernel/mutex-debug.h -index 0799fd3..d06ae3b 100644 ---- a/kernel/mutex-debug.h -+++ b/kernel/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/mutex.c b/kernel/mutex.c -index ad53a66..f1bf8bc 100644 ---- a/kernel/mutex.c -+++ b/kernel/mutex.c -@@ -134,7 +134,7 @@ void mspin_lock(struct mspin_node **lock, struct mspin_node *node) - node->locked = 1; - return; - } -- ACCESS_ONCE(prev->next) = node; -+ ACCESS_ONCE_RW(prev->next) = node; - smp_wmb(); - /* Wait until the lock holder passes the lock down */ - while (!ACCESS_ONCE(node->locked)) -@@ -155,7 +155,7 @@ static void mspin_unlock(struct mspin_node **lock, struct mspin_node *node) - while (!(next = ACCESS_ONCE(node->next))) - arch_mutex_cpu_relax(); - } -- ACCESS_ONCE(next->locked) = 1; -+ ACCESS_ONCE_RW(next->locked) = 1; - smp_wmb(); - } - -@@ -341,7 +341,7 @@ slowpath: - spin_lock_mutex(&lock->wait_lock, flags); - - 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); -@@ -371,8 +371,7 @@ slowpath: - * TASK_UNINTERRUPTIBLE case.) - */ - if (unlikely(signal_pending_state(state, task))) { -- mutex_remove_waiter(lock, &waiter, -- task_thread_info(task)); -+ mutex_remove_waiter(lock, &waiter, task); - mutex_release(&lock->dep_map, 1, ip); - spin_unlock_mutex(&lock->wait_lock, flags); - -@@ -391,7 +390,7 @@ slowpath: - done: - lock_acquired(&lock->dep_map, ip); - /* got the lock - rejoice! */ -- mutex_remove_waiter(lock, &waiter, current_thread_info()); -+ mutex_remove_waiter(lock, &waiter, task); - mutex_set_owner(lock); - - /* set it to 0 if there are no waiters left: */ -diff --git a/kernel/notifier.c b/kernel/notifier.c -index 2d5cc4c..d9ea600 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/panic.c b/kernel/panic.c -index 167ec09..0dda5f9 100644 ---- a/kernel/panic.c -+++ b/kernel/panic.c -@@ -400,7 +400,7 @@ static void warn_slowpath_common(const char *file, int line, void *caller, - unsigned taint, struct slowpath_args *args) - { - printk(KERN_WARNING "------------[ cut here ]------------\n"); -- printk(KERN_WARNING "WARNING: at %s:%d %pS()\n", file, line, caller); -+ printk(KERN_WARNING "WARNING: at %s:%d %pA()\n", file, line, caller); - - if (args) - vprintk(args->fmt, args->args); -@@ -453,7 +453,8 @@ EXPORT_SYMBOL(warn_slowpath_null); - */ - 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 0db3e79..95b9dc2 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; -@@ -442,10 +443,18 @@ 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) -@@ -453,6 +462,14 @@ 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 6917e8e..9909aeb 100644 ---- a/kernel/pid_namespace.c -+++ b/kernel/pid_namespace.c -@@ -247,7 +247,7 @@ 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/posix-cpu-timers.c b/kernel/posix-cpu-timers.c -index 42670e9..8719c2f 100644 ---- a/kernel/posix-cpu-timers.c -+++ b/kernel/posix-cpu-timers.c -@@ -1636,14 +1636,14 @@ 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/posix-timers.c b/kernel/posix-timers.c -index 424c2d4..679242f 100644 ---- a/kernel/posix-timers.c -+++ b/kernel/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> -@@ -122,7 +123,7 @@ 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. -@@ -275,7 +276,7 @@ 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, -@@ -287,7 +288,7 @@ 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, -@@ -297,19 +298,19 @@ 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, -@@ -319,7 +320,7 @@ 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, -@@ -531,7 +532,7 @@ 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); - -@@ -577,9 +578,9 @@ 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) -@@ -597,7 +598,7 @@ 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) -@@ -1011,6 +1012,13 @@ 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/power/process.c b/kernel/power/process.c -index 98088e0..aaf95c0 100644 ---- a/kernel/power/process.c -+++ b/kernel/power/process.c -@@ -33,6 +33,7 @@ static int try_to_freeze_tasks(bool user_only) - u64 elapsed_csecs64; - unsigned int elapsed_csecs; - bool wakeup = false; -+ bool timedout = false; - - do_gettimeofday(&start); - -@@ -43,13 +44,20 @@ 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); - do_each_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); -+ } -+ } - } while_each_thread(g, p); - read_unlock(&tasklist_lock); - -@@ -58,7 +66,7 @@ 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.c b/kernel/printk.c -index d37d45c..ab918b3 100644 ---- a/kernel/printk.c -+++ b/kernel/printk.c -@@ -390,6 +390,11 @@ static int check_syslog_permissions(int type, bool from_file) - if (from_file && type != SYSLOG_ACTION_OPEN) - return 0; - -+#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)) - return 0; -diff --git a/kernel/profile.c b/kernel/profile.c -index 0bf4007..6234708 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; -@@ -260,7 +260,7 @@ 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; - } - } -@@ -321,9 +321,9 @@ 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: -@@ -398,7 +398,7 @@ 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 */ - -@@ -494,7 +494,7 @@ 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; -@@ -525,7 +525,7 @@ 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 335a7ae..3bbbceb 100644 ---- a/kernel/ptrace.c -+++ b/kernel/ptrace.c -@@ -326,7 +326,7 @@ 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; -@@ -537,7 +537,7 @@ 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; -@@ -805,7 +805,7 @@ 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; - -@@ -1011,14 +1011,21 @@ 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; - } - -@@ -1046,7 +1053,7 @@ 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, -@@ -1140,7 +1147,7 @@ int compat_ptrace_request(struct task_struct *child, compat_long_t request, - } - - 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) - { - struct task_struct *child; - long ret; -@@ -1156,14 +1163,21 @@ asmlinkage long compat_sys_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/rcupdate.c b/kernel/rcupdate.c -index 48ab703..07561d4 100644 ---- a/kernel/rcupdate.c -+++ b/kernel/rcupdate.c -@@ -439,10 +439,10 @@ 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; -diff --git a/kernel/rcutiny.c b/kernel/rcutiny.c -index a0714a5..2ab5e34 100644 ---- a/kernel/rcutiny.c -+++ b/kernel/rcutiny.c -@@ -46,7 +46,7 @@ - struct rcu_ctrlblk; - static void invoke_rcu_callbacks(void); - 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); -@@ -312,7 +312,7 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp) - rcu_is_callbacks_kthread())); - } - --static void rcu_process_callbacks(struct softirq_action *unused) -+static void rcu_process_callbacks(void) - { - __rcu_process_callbacks(&rcu_sched_ctrlblk); - __rcu_process_callbacks(&rcu_bh_ctrlblk); -diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h -index 8a23300..4255818 100644 ---- a/kernel/rcutiny_plugin.h -+++ b/kernel/rcutiny_plugin.h -@@ -945,7 +945,7 @@ static int rcu_kthread(void *arg) - have_rcu_kthread_work = morework; - local_irq_restore(flags); - if (work) -- rcu_process_callbacks(NULL); -+ rcu_process_callbacks(); - schedule_timeout_interruptible(1); /* Leave CPU for others. */ - } - -diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c -index e1f3a8c..42c94a2 100644 ---- a/kernel/rcutorture.c -+++ b/kernel/rcutorture.c -@@ -164,12 +164,12 @@ 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; -@@ -287,11 +287,11 @@ 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); -@@ -304,7 +304,7 @@ 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); -@@ -424,7 +424,7 @@ rcu_torture_cb(struct rcu_head *p) - 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; - rcu_torture_free(rp); -@@ -472,7 +472,7 @@ static void rcu_sync_torture_deferred_free(struct rcu_torture *p) - 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; - list_del(&rp->rtort_free); -@@ -990,7 +990,7 @@ 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++; - cur_ops->deferred_free(old_rp); - } -@@ -1076,7 +1076,7 @@ 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++; -@@ -1146,7 +1146,7 @@ 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; -@@ -1209,11 +1209,11 @@ rcu_torture_printk(char *page) - 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)); - cnt += sprintf(&page[cnt], "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); - cnt += sprintf(&page[cnt], "rtbf: %ld rtb: %ld nt: %ld ", -@@ -1232,14 +1232,14 @@ rcu_torture_printk(char *page) - n_barrier_attempts, - n_rcu_torture_barrier_error); - cnt += sprintf(&page[cnt], "\n%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) { - cnt += sprintf(&page[cnt], "!!! "); -- atomic_inc(&n_rcu_torture_error); -+ atomic_inc_unchecked(&n_rcu_torture_error); - WARN_ON_ONCE(1); - } - cnt += sprintf(&page[cnt], "Reader Pipe: "); -@@ -1253,7 +1253,7 @@ rcu_torture_printk(char *page) - cnt += sprintf(&page[cnt], "Free-Block Circulation: "); - for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) { - cnt += sprintf(&page[cnt], " %d", -- atomic_read(&rcu_torture_wcount[i])); -+ atomic_read_unchecked(&rcu_torture_wcount[i])); - } - cnt += sprintf(&page[cnt], "\n"); - if (cur_ops->stats) -@@ -1962,7 +1962,7 @@ 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 (n_online_successes != n_online_attempts || - n_offline_successes != n_offline_attempts) -@@ -2031,18 +2031,18 @@ 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/rcutree.c b/kernel/rcutree.c -index 3538001..e379e0b 100644 ---- a/kernel/rcutree.c -+++ b/kernel/rcutree.c -@@ -358,9 +358,9 @@ static void rcu_eqs_enter_common(struct rcu_dynticks *rdtp, long long oldval, - rcu_prepare_for_idle(smp_processor_id()); - /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */ - smp_mb__before_atomic_inc(); /* See above. */ -- atomic_inc(&rdtp->dynticks); -+ atomic_inc_unchecked(&rdtp->dynticks); - smp_mb__after_atomic_inc(); /* Force ordering with next sojourn. */ -- WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1); -+ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1); - - /* - * It is illegal to enter an extended quiescent state while -@@ -496,10 +496,10 @@ static void rcu_eqs_exit_common(struct rcu_dynticks *rdtp, long long oldval, - int user) - { - smp_mb__before_atomic_inc(); /* 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_inc(); /* See above. */ -- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1)); -+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1)); - rcu_cleanup_after_idle(smp_processor_id()); - trace_rcu_dyntick("End", oldval, rdtp->dynticks_nesting); - if (!user && !is_idle_task(current)) { -@@ -638,14 +638,14 @@ void rcu_nmi_enter(void) - struct rcu_dynticks *rdtp = &__get_cpu_var(rcu_dynticks); - - if (rdtp->dynticks_nmi_nesting == 0 && -- (atomic_read(&rdtp->dynticks) & 0x1)) -+ (atomic_read_unchecked(&rdtp->dynticks) & 0x1)) - return; - rdtp->dynticks_nmi_nesting++; - smp_mb__before_atomic_inc(); /* Force delay from prior write. */ -- 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_inc(); /* See above. */ -- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1)); -+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1)); - } - - /** -@@ -664,9 +664,9 @@ void rcu_nmi_exit(void) - return; - /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */ - smp_mb__before_atomic_inc(); /* See above. */ -- atomic_inc(&rdtp->dynticks); -+ atomic_inc_unchecked(&rdtp->dynticks); - smp_mb__after_atomic_inc(); /* Force delay to next write. */ -- WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1); -+ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1); - } - - /** -@@ -680,7 +680,7 @@ int rcu_is_cpu_idle(void) - int ret; - - preempt_disable(); -- ret = (atomic_read(&__get_cpu_var(rcu_dynticks).dynticks) & 0x1) == 0; -+ ret = (atomic_read_unchecked(&__get_cpu_var(rcu_dynticks).dynticks) & 0x1) == 0; - preempt_enable(); - return ret; - } -@@ -748,7 +748,7 @@ static int rcu_is_cpu_rrupt_from_idle(void) - */ - static int dyntick_save_progress_counter(struct rcu_data *rdp) - { -- rdp->dynticks_snap = atomic_add_return(0, &rdp->dynticks->dynticks); -+ rdp->dynticks_snap = atomic_add_return_unchecked(0, &rdp->dynticks->dynticks); - return (rdp->dynticks_snap & 0x1) == 0; - } - -@@ -763,7 +763,7 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp) - unsigned int curr; - 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; - - /* -@@ -1440,9 +1440,9 @@ 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; - WARN_ON_ONCE(rnp->completed != rsp->completed); -- ACCESS_ONCE(rnp->completed) = rsp->completed; -+ ACCESS_ONCE_RW(rnp->completed) = rsp->completed; - if (rnp == rdp->mynode) - rcu_start_gp_per_cpu(rsp, rnp, rdp); - rcu_preempt_boost_start_gp(rnp); -@@ -1524,7 +1524,7 @@ static void rcu_gp_cleanup(struct rcu_state *rsp) - */ - rcu_for_each_node_breadth_first(rsp, rnp) { - raw_spin_lock_irq(&rnp->lock); -- ACCESS_ONCE(rnp->completed) = rsp->gpnum; -+ ACCESS_ONCE_RW(rnp->completed) = rsp->gpnum; - rdp = this_cpu_ptr(rsp->rda); - if (rnp == rdp->mynode) - __rcu_process_gp_end(rsp, rnp, rdp); -@@ -1855,7 +1855,7 @@ 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; - } - - /* -@@ -2101,7 +2101,7 @@ 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) -= count; -+ ACCESS_ONCE_RW(rdp->qlen) -= count; - rdp->n_cbs_invoked += count; - - /* Reinstate batch limit if we have worked down the excess. */ -@@ -2295,7 +2295,7 @@ __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; - -@@ -2419,7 +2419,7 @@ __call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu), - local_irq_restore(flags); - return; - } -- ACCESS_ONCE(rdp->qlen)++; -+ ACCESS_ONCE_RW(rdp->qlen)++; - if (lazy) - rdp->qlen_lazy++; - else -@@ -2628,11 +2628,11 @@ 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; - } - -@@ -2640,7 +2640,7 @@ 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; - get_online_cpus(); - WARN_ON_ONCE(cpu_is_offline(raw_smp_processor_id())); -@@ -2653,14 +2653,14 @@ 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_inc(); /* ^^^ */ -- atomic_long_inc(&rsp->expedited_workdone1); -+ atomic_long_inc_unchecked(&rsp->expedited_workdone1); - return; - } - -@@ -2669,7 +2669,7 @@ 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); - return; - } - -@@ -2678,7 +2678,7 @@ void synchronize_sched_expedited(void) - if (ULONG_CMP_GE((ulong)s, (ulong)firstsnap)) { - /* ensure test happens before caller kfree */ - smp_mb__before_atomic_inc(); /* ^^^ */ -- atomic_long_inc(&rsp->expedited_workdone2); -+ atomic_long_inc_unchecked(&rsp->expedited_workdone2); - return; - } - -@@ -2690,10 +2690,10 @@ void synchronize_sched_expedited(void) - * period works for us. - */ - get_online_cpus(); -- 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); - - /* - * Everyone up to our most recent fetch is covered by our grace -@@ -2702,16 +2702,16 @@ void synchronize_sched_expedited(void) - * 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_inc(); /* ^^^ */ -- 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(); - } -@@ -2893,7 +2893,7 @@ 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)++; -+ ACCESS_ONCE_RW(rsp->n_barrier_done)++; - 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. */ -@@ -2943,7 +2943,7 @@ 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)++; -+ ACCESS_ONCE_RW(rsp->n_barrier_done)++; - 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. */ -@@ -2988,10 +2988,10 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp) - rdp->grpmask = 1UL << (cpu - rdp->mynode->grplo); - init_callback_list(rdp); - rdp->qlen_lazy = 0; -- ACCESS_ONCE(rdp->qlen) = 0; -+ ACCESS_ONCE_RW(rdp->qlen) = 0; - 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); -@@ -3024,8 +3024,8 @@ rcu_init_percpu_data(int cpu, struct rcu_state *rsp, int preemptible) - rdp->blimit = blimit; - init_callback_list(rdp); /* Re-enable callbacks on this CPU. */ - rdp->dynticks->dynticks_nesting = DYNTICK_TASK_EXIT_IDLE; -- 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. */ - - /* Add CPU to rcu_node bitmasks. */ -@@ -3120,7 +3120,7 @@ static int __init rcu_spawn_gp_kthread(void) - struct task_struct *t; - - for_each_rcu_flavor(rsp) { -- t = kthread_run(rcu_gp_kthread, rsp, rsp->name); -+ t = kthread_run(rcu_gp_kthread, rsp, "%s", rsp->name); - BUG_ON(IS_ERR(t)); - rnp = rcu_get_root(rsp); - raw_spin_lock_irqsave(&rnp->lock, flags); -diff --git a/kernel/rcutree.h b/kernel/rcutree.h -index 4df5034..5ee93f2 100644 ---- a/kernel/rcutree.h -+++ b/kernel/rcutree.h -@@ -87,7 +87,7 @@ 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_RCU_FAST_NO_HZ - bool all_lazy; /* Are all CPU's CBs lazy? */ - unsigned long nonlazy_posted; -@@ -414,17 +414,17 @@ 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/rcutree_plugin.h b/kernel/rcutree_plugin.h -index 3db5a37..b395fb35 100644 ---- a/kernel/rcutree_plugin.h -+++ b/kernel/rcutree_plugin.h -@@ -903,7 +903,7 @@ 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)++; - unlock_mb_ret: - mutex_unlock(&sync_rcu_preempt_exp_mutex); - mb_ret: -@@ -1451,7 +1451,7 @@ 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, -@@ -1916,7 +1916,7 @@ static void print_cpu_stall_info(struct rcu_state *rsp, int cpu) - print_cpu_stall_fast_no_hz(fast_no_hz, cpu); - printk(KERN_ERR "\t%d: (%lu %s) idle=%03x/%llx/%d softirq=%u/%u %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), - fast_no_hz); -@@ -2079,7 +2079,7 @@ static void __call_rcu_nocb_enqueue(struct rcu_data *rdp, - - /* Enqueue the callback on the nocb list and update counts. */ - old_rhpp = xchg(&rdp->nocb_tail, rhtp); -- ACCESS_ONCE(*old_rhpp) = rhp; -+ ACCESS_ONCE_RW(*old_rhpp) = rhp; - atomic_long_add(rhcount, &rdp->nocb_q_count); - atomic_long_add(rhcount_lazy, &rdp->nocb_q_count_lazy); - -@@ -2219,12 +2219,12 @@ static int rcu_nocb_kthread(void *arg) - * Extract queued callbacks, update counts, and wait - * for a grace period to elapse. - */ -- ACCESS_ONCE(rdp->nocb_head) = NULL; -+ ACCESS_ONCE_RW(rdp->nocb_head) = NULL; - tail = xchg(&rdp->nocb_tail, &rdp->nocb_head); - c = atomic_long_xchg(&rdp->nocb_q_count, 0); - cl = atomic_long_xchg(&rdp->nocb_q_count_lazy, 0); -- ACCESS_ONCE(rdp->nocb_p_count) += c; -- ACCESS_ONCE(rdp->nocb_p_count_lazy) += cl; -+ ACCESS_ONCE_RW(rdp->nocb_p_count) += c; -+ ACCESS_ONCE_RW(rdp->nocb_p_count_lazy) += cl; - rcu_nocb_wait_gp(rdp); - - /* Each pass through the following loop invokes a callback. */ -@@ -2246,8 +2246,8 @@ static int rcu_nocb_kthread(void *arg) - list = next; - } - trace_rcu_batch_end(rdp->rsp->name, c, !!list, 0, 0, 1); -- ACCESS_ONCE(rdp->nocb_p_count) -= c; -- ACCESS_ONCE(rdp->nocb_p_count_lazy) -= cl; -+ ACCESS_ONCE_RW(rdp->nocb_p_count) -= c; -+ ACCESS_ONCE_RW(rdp->nocb_p_count_lazy) -= cl; - rdp->n_nocbs_invoked += c; - } - return 0; -@@ -2274,7 +2274,7 @@ static void __init rcu_spawn_nocb_kthreads(struct rcu_state *rsp) - t = kthread_run(rcu_nocb_kthread, rdp, - "rcuo%c/%d", rsp->abbr, cpu); - BUG_ON(IS_ERR(t)); -- ACCESS_ONCE(rdp->nocb_kthread) = t; -+ ACCESS_ONCE_RW(rdp->nocb_kthread) = t; - } - } - -diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c -index cf6c174..a8f4b50 100644 ---- a/kernel/rcutree_trace.c -+++ b/kernel/rcutree_trace.c -@@ -121,7 +121,7 @@ static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp) - ulong2long(rdp->completed), ulong2long(rdp->gpnum), - rdp->passed_quiesce, 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); -@@ -182,17 +182,17 @@ 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/resource.c b/kernel/resource.c -index d738698..5f8e60a 100644 ---- a/kernel/resource.c -+++ b/kernel/resource.c -@@ -152,8 +152,18 @@ 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); -diff --git a/kernel/rtmutex-tester.c b/kernel/rtmutex-tester.c -index 1d96dd0..994ff19 100644 ---- a/kernel/rtmutex-tester.c -+++ b/kernel/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/sched/auto_group.c b/kernel/sched/auto_group.c -index 64de5f8..7735e12 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) - { -@@ -81,7 +81,7 @@ 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/core.c b/kernel/sched/core.c -index e8b3350..d83d44e 100644 ---- a/kernel/sched/core.c -+++ b/kernel/sched/core.c -@@ -3440,7 +3440,7 @@ EXPORT_SYMBOL(wait_for_completion_interruptible); - * The return value is -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) - { -@@ -3457,7 +3457,7 @@ EXPORT_SYMBOL(wait_for_completion_interruptible_timeout); - * - * The return value is -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) -@@ -3478,7 +3478,7 @@ EXPORT_SYMBOL(wait_for_completion_killable); - * The return value is -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) - { -@@ -3704,6 +3704,8 @@ 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 = 20 - nice; - -+ gr_learn_resource(p, RLIMIT_NICE, nice_rlim, 1); -+ - return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) || - capable(CAP_SYS_NICE)); - } -@@ -3737,7 +3739,8 @@ SYSCALL_DEFINE1(nice, int, increment) - if (nice > 19) - nice = 19; - -- 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); -@@ -3891,6 +3894,7 @@ recheck: - unsigned long rlim_rtprio = - task_rlimit(p, RLIMIT_RTPRIO); - -+ gr_learn_resource(p, RLIMIT_RTPRIO, param->sched_priority, 1); - /* can't set/change the rt policy */ - if (policy != p->policy && !rlim_rtprio) - return -EPERM; -@@ -4988,7 +4992,7 @@ 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, -@@ -5005,17 +5009,17 @@ 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 -@@ -5023,22 +5027,25 @@ 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) -@@ -5058,7 +5065,7 @@ 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(13); -+ ctl_table_no_const *table = sd_alloc_ctl_entry(13); - - if (table == NULL) - return NULL; -@@ -5093,9 +5100,9 @@ sd_alloc_ctl_domain_table(struct sched_domain *sd) - return table; - } - --static 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]; -@@ -5122,11 +5129,13 @@ 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; -@@ -5149,8 +5158,12 @@ 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) -@@ -5249,7 +5262,7 @@ migration_call(struct notifier_block *nfb, unsigned long action, void *hcpu) - * happens before everything else. This has to be lower priority than - * the notifier in the perf_event subsystem, though. - */ --static struct notifier_block __cpuinitdata migration_notifier = { -+static struct notifier_block migration_notifier = { - .notifier_call = migration_call, - .priority = CPU_PRI_MIGRATION, - }; -diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c -index 03b73be..9422b9f 100644 ---- a/kernel/sched/fair.c -+++ b/kernel/sched/fair.c -@@ -831,7 +831,7 @@ void task_numa_fault(int node, int pages, bool migrated) - - 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; - } - -@@ -5687,7 +5687,7 @@ static void nohz_idle_balance(int this_cpu, 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 void run_rebalance_domains(void) - { - int this_cpu = smp_processor_id(); - struct rq *this_rq = cpu_rq(this_cpu); -diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h -index ce39224d..0e09343 100644 ---- a/kernel/sched/sched.h -+++ b/kernel/sched/sched.h -@@ -1009,7 +1009,7 @@ struct sched_class { - #ifdef CONFIG_FAIR_GROUP_SCHED - void (*task_move_group) (struct task_struct *p, int on_rq); - #endif --}; -+} __do_const; - - #define sched_class_highest (&stop_sched_class) - #define for_each_class(class) \ -diff --git a/kernel/signal.c b/kernel/signal.c -index 113411b..20d0a99 100644 ---- a/kernel/signal.c -+++ b/kernel/signal.c -@@ -51,12 +51,12 @@ 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 || -@@ -65,7 +65,7 @@ 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); - -@@ -369,6 +369,9 @@ __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)) { -@@ -496,7 +499,7 @@ 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) -@@ -816,6 +819,13 @@ 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); - } - -@@ -1199,7 +1209,7 @@ __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); -@@ -1236,6 +1246,7 @@ 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]; -@@ -1250,9 +1261,18 @@ 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; - } - -@@ -1319,8 +1339,11 @@ 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; - } -@@ -2926,7 +2949,15 @@ 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); - /* -@@ -3219,6 +3250,16 @@ int __save_altstack(stack_t __user *uss, unsigned long sp) - __put_user(t->sas_ss_size, &uss->ss_size); - } - -+#ifdef CONFIG_X86 -+void __save_altstack_ex(stack_t __user *uss, unsigned long sp) -+{ -+ struct task_struct *t = current; -+ put_user_ex((void __user *)t->sas_ss_sp, &uss->ss_sp); -+ put_user_ex(sas_ss_flags(sp), &uss->ss_flags); -+ put_user_ex(t->sas_ss_size, &uss->ss_size); -+} -+#endif -+ - #ifdef CONFIG_COMPAT - COMPAT_SYSCALL_DEFINE2(sigaltstack, - const compat_stack_t __user *, uss_ptr, -@@ -3240,8 +3281,8 @@ 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) { -@@ -3268,6 +3309,16 @@ int __compat_save_altstack(compat_stack_t __user *uss, unsigned long sp) - __put_user(sas_ss_flags(sp), &uss->ss_flags) | - __put_user(t->sas_ss_size, &uss->ss_size); - } -+ -+#ifdef CONFIG_X86 -+void __compat_save_altstack_ex(compat_stack_t __user *uss, unsigned long sp) -+{ -+ struct task_struct *t = current; -+ put_user_ex(ptr_to_compat((void __user *)t->sas_ss_sp), &uss->ss_sp); -+ put_user_ex(sas_ss_flags(sp), &uss->ss_flags); -+ put_user_ex(t->sas_ss_size, &uss->ss_size); -+} -+#endif - #endif - - #ifdef __ARCH_WANT_SYS_SIGPENDING -diff --git a/kernel/smp.c b/kernel/smp.c -index 4dba0f7..fe9f773 100644 ---- a/kernel/smp.c -+++ b/kernel/smp.c -@@ -73,7 +73,7 @@ hotplug_cfd(struct notifier_block *nfb, unsigned long action, void *hcpu) - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata hotplug_cfd_notifier = { -+static struct notifier_block hotplug_cfd_notifier = { - .notifier_call = hotplug_cfd, - }; - -diff --git a/kernel/smpboot.c b/kernel/smpboot.c -index 02fc5c9..e54c335 100644 ---- a/kernel/smpboot.c -+++ b/kernel/smpboot.c -@@ -288,7 +288,7 @@ 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); - return ret; -@@ -305,7 +305,7 @@ 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 3d6833f..da6d93d 100644 ---- a/kernel/softirq.c -+++ b/kernel/softirq.c -@@ -53,11 +53,11 @@ 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); - --char *softirq_to_name[NR_SOFTIRQS] = { -+const char * const softirq_to_name[NR_SOFTIRQS] = { - "HI", "TIMER", "NET_TX", "NET_RX", "BLOCK", "BLOCK_IOPOLL", - "TASKLET", "SCHED", "HRTIMER", "RCU" - }; -@@ -250,7 +250,7 @@ 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())) { - printk(KERN_ERR "huh, entered softirq %u %s %p" -@@ -405,7 +405,7 @@ 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; - } -@@ -461,7 +461,7 @@ 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; - -@@ -496,7 +496,7 @@ static void tasklet_action(struct softirq_action *a) - } - } - --static void tasklet_hi_action(struct softirq_action *a) -+static void tasklet_hi_action(void) - { - struct tasklet_struct *list; - -@@ -730,7 +730,7 @@ static int __cpuinit remote_softirq_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata remote_softirq_cpu_notifier = { -+static struct notifier_block remote_softirq_cpu_notifier = { - .notifier_call = remote_softirq_cpu_notify, - }; - -@@ -847,11 +847,11 @@ static int __cpuinit cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata cpu_nfb = { -+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/srcu.c b/kernel/srcu.c -index 01d5ccb..cdcbee6 100644 ---- a/kernel/srcu.c -+++ b/kernel/srcu.c -@@ -300,9 +300,9 @@ int __srcu_read_lock(struct srcu_struct *sp) - - idx = ACCESS_ONCE(sp->completed) & 0x1; - preempt_disable(); -- ACCESS_ONCE(this_cpu_ptr(sp->per_cpu_ref)->c[idx]) += 1; -+ ACCESS_ONCE_RW(this_cpu_ptr(sp->per_cpu_ref)->c[idx]) += 1; - smp_mb(); /* B */ /* Avoid leaking the critical section. */ -- ACCESS_ONCE(this_cpu_ptr(sp->per_cpu_ref)->seq[idx]) += 1; -+ ACCESS_ONCE_RW(this_cpu_ptr(sp->per_cpu_ref)->seq[idx]) += 1; - preempt_enable(); - return idx; - } -diff --git a/kernel/sys.c b/kernel/sys.c -index 2bbd9a7..0875671 100644 ---- a/kernel/sys.c -+++ b/kernel/sys.c -@@ -163,6 +163,12 @@ 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; -@@ -626,6 +632,9 @@ 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 (rgid != (gid_t) -1 || - (egid != (gid_t) -1 && !gid_eq(kegid, old->gid))) - new->sgid = new->egid; -@@ -661,6 +670,10 @@ SYSCALL_DEFINE1(setgid, gid_t, gid) - old = current_cred(); - - retval = -EPERM; -+ -+ if (gr_check_group_change(kgid, kgid, kgid)) -+ goto error; -+ - if (nsown_capable(CAP_SETGID)) - new->gid = new->egid = new->sgid = new->fsgid = kgid; - else if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->sgid)) -@@ -678,7 +691,7 @@ 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; - -@@ -758,6 +771,9 @@ 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)) { - retval = set_user(new); - if (retval < 0) -@@ -808,6 +824,12 @@ 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 (nsown_capable(CAP_SETUID)) { - new->suid = new->uid = kuid; - if (!uid_eq(kuid, old->uid)) { -@@ -877,6 +899,9 @@ 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)) { -@@ -959,6 +984,9 @@ 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) -@@ -1020,12 +1048,16 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid) - uid_eq(kuid, old->suid) || uid_eq(kuid, old->fsuid) || - nsown_capable(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; - -@@ -1058,12 +1090,16 @@ 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) || - nsown_capable(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; - -@@ -1432,19 +1468,19 @@ 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); -@@ -1646,6 +1682,13 @@ 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 9edcf45..713c960 100644 ---- a/kernel/sysctl.c -+++ b/kernel/sysctl.c -@@ -93,7 +93,6 @@ - - - #if defined(CONFIG_SYSCTL) -- - /* External variables not in a header file. */ - extern int sysctl_overcommit_memory; - extern int sysctl_overcommit_ratio; -@@ -119,18 +118,18 @@ extern int blk_iopoll_enabled; - - /* Constants used for minimum and maximum */ - #ifdef CONFIG_LOCKUP_DETECTOR --static int sixty = 60; --static int neg_one = -1; -+static int sixty __read_only = 60; - #endif - --static int zero; --static int __maybe_unused one = 1; --static int __maybe_unused two = 2; --static int __maybe_unused three = 3; --static unsigned long one_ul = 1; --static int one_hundred = 100; -+static int neg_one __read_only = -1; -+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 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 */ -@@ -177,10 +176,8 @@ 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, - 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); -@@ -211,6 +208,8 @@ static int sysrq_sysctl_handler(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[]; -@@ -225,6 +224,20 @@ extern struct ctl_table epoll_table[]; - int sysctl_legacy_va_layout; - #endif - -+#ifdef CONFIG_PAX_SOFTMODE -+static 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[] = { -@@ -273,6 +286,22 @@ 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, -@@ -607,7 +636,7 @@ 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", -@@ -774,16 +803,20 @@ static struct ctl_table kern_table[] = { - .extra1 = &zero, - .extra2 = &one, - }, -+#endif - { - .procname = "kptr_restrict", - .data = &kptr_restrict, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = proc_dointvec_minmax_sysadmin, -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ .extra1 = &two, -+#else - .extra1 = &zero, -+#endif - .extra2 = &two, - }, --#endif - { - .procname = "ngroups_max", - .data = &ngroups_max, -@@ -1025,10 +1058,17 @@ 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_sysadmin, -+ .extra1 = &neg_one, -+#ifdef CONFIG_GRKERNSEC_PERF_HARDEN -+ .extra2 = &three, -+#else -+ .extra2 = &two, -+#endif - }, - { - .procname = "perf_event_mlock_kb", -@@ -1282,6 +1322,13 @@ 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", -@@ -1746,6 +1793,16 @@ int proc_dostring(struct ctl_table *table, int write, - 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; -@@ -1851,6 +1908,8 @@ 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; -@@ -2015,7 +2074,7 @@ 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; - -@@ -2043,7 +2102,6 @@ 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, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -@@ -2052,7 +2110,6 @@ static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, - - return proc_dointvec_minmax(table, write, buffer, lenp, ppos); - } --#endif - - struct do_proc_dointvec_minmax_conv_param { - int *min; -@@ -2199,8 +2256,11 @@ static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int - *i = val; - } else { - val = convdiv * (*i) / convmul; -- if (!first) -+ if (!first) { - err = proc_put_char(&buffer, &left, '\t'); -+ if (err) -+ break; -+ } - err = proc_put_long(&buffer, &left, val, false); - if (err) - break; -@@ -2592,6 +2652,12 @@ 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) - { -@@ -2648,5 +2714,6 @@ 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 145bb4d..b2aa969 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 -@@ -570,6 +573,9 @@ 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.c b/kernel/time.c -index d3617db..c98bbe9 100644 ---- a/kernel/time.c -+++ b/kernel/time.c -@@ -172,6 +172,11 @@ 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) { -@@ -502,7 +507,7 @@ EXPORT_SYMBOL(usecs_to_jiffies); - * The >> (NSEC_JIFFIE_SC - SEC_JIFFIE_SC) converts the scaled nsec - * value to a scaled second value. - */ --unsigned long -+unsigned long __intentional_overflow(-1) - timespec_to_jiffies(const struct timespec *value) - { - unsigned long sec = value->tv_sec; -diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c -index f11d83b..d016d91 100644 ---- a/kernel/time/alarmtimer.c -+++ b/kernel/time/alarmtimer.c -@@ -750,7 +750,7 @@ 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/timekeeping.c b/kernel/time/timekeeping.c -index baeeb5c..c22704a 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> -@@ -495,6 +496,8 @@ int do_settimeofday(const struct timespec *tv) - if (!timespec_valid_strict(tv)) - return -EINVAL; - -+ gr_log_timechange(); -+ - raw_spin_lock_irqsave(&timekeeper_lock, flags); - write_seqcount_begin(&timekeeper_seq); - -diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c -index 3bdf283..cc68d83 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", -@@ -355,7 +363,11 @@ 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 0b537f2..40d6c20 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) -@@ -300,9 +304,9 @@ static int tstats_show(struct seq_file *m, void *v) - - seq_puts(m, "Timer Stats Version: v0.2\n"); - seq_printf(m, "Sample period: %ld.%03ld s\n", period.tv_sec, ms); -- if (atomic_read(&overflow_count)) -+ if (atomic_read_unchecked(&overflow_count)) - seq_printf(m, "Overflow: %d entries\n", -- atomic_read(&overflow_count)); -+ atomic_read_unchecked(&overflow_count)); - - for (i = 0; i < nr_entries; i++) { - entry = 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/timer.c b/kernel/timer.c -index 15bc1b4..32da49c 100644 ---- a/kernel/timer.c -+++ b/kernel/timer.c -@@ -1366,7 +1366,7 @@ 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 void run_timer_softirq(void) - { - struct tvec_base *base = __this_cpu_read(tvec_bases); - -@@ -1429,7 +1429,7 @@ 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; -@@ -1635,7 +1635,7 @@ static int __cpuinit timer_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata timers_nb = { -+static struct notifier_block timers_nb = { - .notifier_call = timer_cpu_notify, - }; - -diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c -index b8b8560..75b1a09 100644 ---- a/kernel/trace/blktrace.c -+++ b/kernel/trace/blktrace.c -@@ -317,7 +317,7 @@ 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)); - } -@@ -375,7 +375,7 @@ 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; - } - -@@ -476,7 +476,7 @@ 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); - - ret = -EIO; - bt->dropped_file = debugfs_create_file("dropped", 0444, dir, bt, -diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c -index f23449d..b8cc3a1 100644 ---- a/kernel/trace/ftrace.c -+++ b/kernel/trace/ftrace.c -@@ -1925,12 +1925,17 @@ 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, ip); -- return 0; - } -- return 1; -+ return ret ? 0 : 1; - } - - /* -@@ -3994,8 +3999,10 @@ 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) -@@ -4718,8 +4725,6 @@ ftrace_enable_sysctl(struct ctl_table *table, int write, - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - - static int ftrace_graph_active; --static struct notifier_block ftrace_suspend_notifier; -- - int ftrace_graph_entry_stub(struct ftrace_graph_ent *trace) - { - return 0; -@@ -4863,6 +4868,10 @@ ftrace_suspend_notifier_call(struct notifier_block *bl, unsigned long state, - return NOTIFY_DONE; - } - -+static struct notifier_block ftrace_suspend_notifier = { -+ .notifier_call = ftrace_suspend_notifier_call -+}; -+ - int register_ftrace_graph(trace_func_graph_ret_t retfunc, - trace_func_graph_ent_t entryfunc) - { -@@ -4876,7 +4885,6 @@ int register_ftrace_graph(trace_func_graph_ret_t retfunc, - goto out; - } - -- ftrace_suspend_notifier.notifier_call = ftrace_suspend_notifier_call; - register_pm_notifier(&ftrace_suspend_notifier); - - ftrace_graph_active++; -diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c -index e444ff8..438b8f4 100644 ---- a/kernel/trace/ring_buffer.c -+++ b/kernel/trace/ring_buffer.c -@@ -352,9 +352,9 @@ 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 */ - }; -@@ -473,8 +473,8 @@ struct ring_buffer_per_cpu { - unsigned long last_overrun; - local_t entries_bytes; - local_t entries; -- local_t overrun; -- local_t commit_overrun; -+ local_unchecked_t overrun; -+ local_unchecked_t commit_overrun; - local_t dropped_events; - local_t committing; - local_t commits; -@@ -992,8 +992,8 @@ 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 -@@ -1021,8 +1021,8 @@ 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. -@@ -1386,12 +1386,12 @@ 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 -@@ -1486,7 +1486,7 @@ 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); - } - -@@ -2063,7 +2063,7 @@ 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); - - /* -@@ -2213,7 +2213,7 @@ 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; - } - -@@ -2248,7 +2248,7 @@ 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; - } - -@@ -2260,7 +2260,7 @@ 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); - } - - /* -@@ -2286,7 +2286,7 @@ 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; - } - -@@ -2342,7 +2342,7 @@ 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; - } - } -@@ -2390,7 +2390,7 @@ __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; -@@ -2407,7 +2407,7 @@ __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 -@@ -2440,7 +2440,7 @@ 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 -@@ -2450,7 +2450,7 @@ 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); -@@ -2842,7 +2842,7 @@ 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; - } - -@@ -2854,7 +2854,7 @@ 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); -@@ -3138,7 +3138,7 @@ 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); - } - - /** -@@ -3227,7 +3227,7 @@ 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; - } -@@ -3250,7 +3250,7 @@ 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; - } -@@ -3335,7 +3335,7 @@ 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; -@@ -3511,8 +3511,8 @@ 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; - -@@ -3546,7 +3546,7 @@ 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. -@@ -4116,8 +4116,8 @@ 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; -@@ -4127,14 +4127,14 @@ 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_unchecked(&cpu_buffer->overrun, 0); -+ local_set_unchecked(&cpu_buffer->commit_overrun, 0); - local_set(&cpu_buffer->dropped_events, 0); - local_set(&cpu_buffer->entries, 0); - local_set(&cpu_buffer->committing, 0); -@@ -4538,8 +4538,8 @@ 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 0582a01..310bed1 100644 ---- a/kernel/trace/trace.c -+++ b/kernel/trace/trace.c -@@ -3327,7 +3327,7 @@ 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 51b4448..7be601f 100644 ---- a/kernel/trace/trace.h -+++ b/kernel/trace/trace.h -@@ -1035,7 +1035,7 @@ extern const char *__stop___trace_bprintk_fmt[]; - 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_events.c b/kernel/trace/trace_events.c -index 3d18aad..d1be0eb 100644 ---- a/kernel/trace/trace_events.c -+++ b/kernel/trace/trace_events.c -@@ -1794,10 +1794,6 @@ static LIST_HEAD(ftrace_module_file_list); - struct ftrace_module_file_ops { - struct list_head list; - struct module *mod; -- struct file_operations id; -- struct file_operations enable; -- struct file_operations format; -- struct file_operations filter; - }; - - static struct ftrace_module_file_ops * -@@ -1838,17 +1834,12 @@ trace_create_file_ops(struct module *mod) - - file_ops->mod = mod; - -- file_ops->id = ftrace_event_id_fops; -- file_ops->id.owner = mod; -- -- file_ops->enable = ftrace_enable_fops; -- file_ops->enable.owner = mod; -- -- file_ops->filter = ftrace_event_filter_fops; -- file_ops->filter.owner = mod; -- -- file_ops->format = ftrace_event_format_fops; -- file_ops->format.owner = mod; -+ pax_open_kernel(); -+ mod->trace_id.owner = mod; -+ mod->trace_enable.owner = mod; -+ mod->trace_filter.owner = mod; -+ mod->trace_format.owner = mod; -+ pax_close_kernel(); - - list_add(&file_ops->list, &ftrace_module_file_list); - -@@ -1941,8 +1932,8 @@ __trace_add_new_mod_event(struct ftrace_event_call *call, - struct ftrace_module_file_ops *file_ops) - { - return __trace_add_new_event(call, tr, -- &file_ops->id, &file_ops->enable, -- &file_ops->filter, &file_ops->format); -+ &file_ops->mod->trace_id, &file_ops->mod->trace_enable, -+ &file_ops->mod->trace_filter, &file_ops->mod->trace_format); - } - - #else -diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c -index a5e8f48..a9690d2 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) - { -@@ -127,7 +127,7 @@ 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) -@@ -317,7 +317,7 @@ 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); -@@ -347,7 +347,7 @@ 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 bb922d9..2a54a257 100644 ---- a/kernel/trace/trace_output.c -+++ b/kernel/trace/trace_output.c -@@ -294,7 +294,7 @@ int trace_seq_path(struct trace_seq *s, const struct path *path) - - p = d_path(path, s->buffer + s->len, PAGE_SIZE - s->len); - if (!IS_ERR(p)) { -- p = mangle_path(s->buffer + s->len, p, "\n"); -+ p = mangle_path(s->buffer + s->len, p, "\n\"); - if (p) { - s->len = p - s->buffer; - return 1; -@@ -893,14 +893,16 @@ 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_stack.c b/kernel/trace/trace_stack.c -index b20428c..4845a10 100644 ---- a/kernel/trace/trace_stack.c -+++ b/kernel/trace/trace_stack.c -@@ -68,7 +68,7 @@ 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/user_namespace.c b/kernel/user_namespace.c -index 9064b91..1f5d2f8 100644 ---- a/kernel/user_namespace.c -+++ b/kernel/user_namespace.c -@@ -82,6 +82,21 @@ 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; -@@ -862,7 +877,7 @@ static int userns_install(struct nsproxy *nsproxy, void *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 4f69f9a..7c6f8f8 100644 ---- a/kernel/utsname_sysctl.c -+++ b/kernel/utsname_sysctl.c -@@ -47,7 +47,7 @@ static void put_uts(ctl_table *table, int write, void *which) - static int proc_do_uts_string(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 05039e3..17490c7 100644 ---- a/kernel/watchdog.c -+++ b/kernel/watchdog.c -@@ -531,7 +531,7 @@ int proc_dowatchdog(struct ctl_table *table, int write, - } - #endif /* CONFIG_SYSCTL */ - --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 6f01921..139869b 100644 ---- a/kernel/workqueue.c -+++ b/kernel/workqueue.c -@@ -4596,7 +4596,7 @@ 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 74fdc5c..3310593 100644 ---- a/lib/Kconfig.debug -+++ b/lib/Kconfig.debug -@@ -549,7 +549,7 @@ config DEBUG_MUTEXES - - 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 -@@ -563,7 +563,7 @@ 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 -@@ -614,7 +614,7 @@ 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 -@@ -1282,6 +1282,7 @@ 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 - select KALLSYMS - select KALLSYMS_ALL -@@ -1298,7 +1299,7 @@ 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. -@@ -1328,7 +1329,7 @@ config INTERVAL_TREE_TEST - - 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 -@@ -1357,7 +1358,7 @@ config PROVIDE_OHCI1394_DMA_INIT - - config FIREWIRE_OHCI_REMOTE_DMA - bool "Remote debugging over FireWire with firewire-ohci" -- depends on FIREWIRE_OHCI -+ depends on FIREWIRE_OHCI && !GRKERNSEC - help - This option lets you use the FireWire bus for remote debugging - with help of the firewire-ohci driver. It enables unfiltered -diff --git a/lib/Makefile b/lib/Makefile -index c55a037..fb46e3b 100644 ---- a/lib/Makefile -+++ b/lib/Makefile -@@ -50,7 +50,7 @@ obj-$(CONFIG_GENERIC_HWEIGHT) += hweight.o - - obj-$(CONFIG_BTREE) += btree.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/bitmap.c b/lib/bitmap.c -index 06f7e4f..f3cf2b0 100644 ---- a/lib/bitmap.c -+++ b/lib/bitmap.c -@@ -422,7 +422,7 @@ 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); - -@@ -507,7 +507,7 @@ 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); - - } -@@ -598,7 +598,7 @@ 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 exp_digit, in_range; - - totaldigits = c = 0; -@@ -698,7 +698,7 @@ 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 1686034..a9c00c8 100644 ---- a/lib/bug.c -+++ b/lib/bug.c -@@ -134,6 +134,8 @@ 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 37061ed..da83f48 100644 ---- a/lib/debugobjects.c -+++ b/lib/debugobjects.c -@@ -286,7 +286,7 @@ 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/devres.c b/lib/devres.c -index 8235331..5881053 100644 ---- a/lib/devres.c -+++ b/lib/devres.c -@@ -81,7 +81,7 @@ EXPORT_SYMBOL(devm_ioremap_nocache); - void devm_iounmap(struct device *dev, void __iomem *addr) - { - WARN_ON(devres_destroy(dev, devm_ioremap_release, devm_ioremap_match, -- (void *)addr)); -+ (void __force *)addr)); - iounmap(addr); - } - EXPORT_SYMBOL(devm_iounmap); -@@ -224,7 +224,7 @@ void devm_ioport_unmap(struct device *dev, void __iomem *addr) - { - ioport_unmap(addr); - WARN_ON(devres_destroy(dev, devm_ioport_map_release, -- devm_ioport_map_match, (void *)addr)); -+ devm_ioport_map_match, (void __force *)addr)); - } - EXPORT_SYMBOL(devm_ioport_unmap); - #endif /* CONFIG_HAS_IOPORT */ -diff --git a/lib/div64.c b/lib/div64.c -index a163b6c..9618fa5 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; - -@@ -90,7 +90,7 @@ EXPORT_SYMBOL(div_s64_rem); - * 'http://www.hackersdelight.org/HDcode/newCode/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 d87a17a..ac0d79a 100644 ---- a/lib/dma-debug.c -+++ b/lib/dma-debug.c -@@ -768,7 +768,7 @@ 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 (global_disable) - return; -@@ -945,7 +945,7 @@ 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 0c9216c..863bd89 100644 ---- a/lib/ioremap.c -+++ b/lib/ioremap.c -@@ -38,7 +38,7 @@ 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 { -@@ -56,7 +56,7 @@ 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 b7e29a6..2f3ca75 100644 ---- a/lib/kobject.c -+++ b/lib/kobject.c -@@ -805,7 +805,7 @@ static struct kset *kset_create(const char *name, - kset = kzalloc(sizeof(*kset), GFP_KERNEL); - if (!kset) - return NULL; -- retval = kobject_set_name(&kset->kobj, name); -+ retval = kobject_set_name(&kset->kobj, "%s", name); - if (retval) { - kfree(kset); - return NULL; -@@ -859,9 +859,9 @@ 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..06e070b 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 +21,32 @@ - * the prev/next entries already! - */ - --void __list_add(struct list_head *new, -- struct list_head *prev, -- struct list_head *next) -+static bool __list_add_debug(struct list_head *new, -+ struct list_head *prev, -+ struct list_head *next) - { -- WARN(next->prev != prev, -+ if (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, -+ 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); -+ next, prev->next, prev) || -+ WARN(new == prev || new == next, -+ "list_add double add: new=%p, prev=%p, next=%p.\n", -+ new, prev, next)) -+ return false; -+ return true; -+} -+ -+void __list_add(struct list_head *new, -+ struct list_head *prev, -+ struct list_head *next) -+{ -+ if (!__list_add_debug(new, prev, next)) -+ return; -+ - next->prev = new; - new->next = next; - new->prev = prev; -@@ -41,7 +54,7 @@ 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; - -@@ -60,9 +73,16 @@ void __list_del_entry(struct list_head *entry) - WARN(next->prev != entry, - "list_del corruption. next->prev should be %p, " - "but was %p\n", entry, next->prev)) -+ 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 +106,85 @@ 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/radix-tree.c b/lib/radix-tree.c -index e796429..6e38f9f 100644 ---- a/lib/radix-tree.c -+++ b/lib/radix-tree.c -@@ -92,7 +92,7 @@ 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/strncpy_from_user.c b/lib/strncpy_from_user.c -index bb2b201..46abaf9 100644 ---- a/lib/strncpy_from_user.c -+++ b/lib/strncpy_from_user.c -@@ -21,7 +21,7 @@ - */ - 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 a28df52..3d55877 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 d23762e..e21eab2 100644 ---- a/lib/swiotlb.c -+++ b/lib/swiotlb.c -@@ -664,7 +664,7 @@ 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/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 e149c64..24aa71a 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/module.h> /* for KSYM_SYMBOL_LEN */ - #include <linux/types.h> -@@ -981,7 +984,11 @@ char *netdev_feature_string(char *buf, char *end, const u8 *addr, - return number(buf, end, *(const netdev_features_t *)addr, spec); - } - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+int kptr_restrict __read_mostly = 2; -+#else - int kptr_restrict __read_mostly; -+#endif - - /* - * Show a '%p' thing. A kernel extension is that the '%p' is followed -@@ -994,6 +1001,7 @@ int kptr_restrict __read_mostly; - * - 'f' For simple symbolic function names without offset - * - '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] -@@ -1052,12 +1060,12 @@ 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) { -@@ -1067,6 +1075,12 @@ 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 'A': - case 'B': - return symbol_string(buf, end, ptr, spec, fmt); - case 'R': -@@ -1107,6 +1121,8 @@ 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 -@@ -1136,6 +1152,21 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, - return number(buf, end, - (unsigned long long) *((phys_addr_t *)ptr), spec); - } -+ -+#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 -+ Also ignore 'K' pointers, since we force their NULLing for non-root users -+ above -+ */ -+ if ((unsigned long)ptr > TASK_SIZE && *fmt != 'P' && *fmt != 'K' && is_usercopy_object(buf)) { -+ printk(KERN_ALERT "grsec: kernel infoleak detected! Please report this log to spender@grsecurity.net.\n"); -+ dump_stack(); -+ ptr = NULL; -+ } -+#endif -+ - spec.flags |= SMALL; - if (spec.field_width == -1) { - spec.field_width = default_width; -@@ -1857,11 +1888,11 @@ 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; \ -@@ -1924,7 +1955,7 @@ 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 e742d06..c56fdd8 100644 ---- a/mm/Kconfig -+++ b/mm/Kconfig -@@ -317,10 +317,10 @@ 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 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. -@@ -351,7 +351,7 @@ 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/backing-dev.c b/mm/backing-dev.c -index 5025174..9d67dcd 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 default_backing_dev_info = { - .name = "default", -@@ -515,7 +515,6 @@ EXPORT_SYMBOL(bdi_destroy); - int bdi_setup_and_register(struct backing_dev_info *bdi, char *name, - unsigned int cap) - { -- char tmp[32]; - int err; - - bdi->name = name; -@@ -524,8 +523,7 @@ int bdi_setup_and_register(struct backing_dev_info *bdi, char *name, - if (err) - return err; - -- sprintf(tmp, "%.28s%s", name, "-%d"); -- err = bdi_register(bdi, NULL, tmp, atomic_long_inc_return(&bdi_seq)); -+ err = bdi_register(bdi, NULL, "%.28s-%ld", name, atomic_long_inc_return_unchecked(&bdi_seq)); - if (err) { - bdi_destroy(bdi); - return err; -diff --git a/mm/filemap.c b/mm/filemap.c -index 7905fe7..f59502b 100644 ---- a/mm/filemap.c -+++ b/mm/filemap.c -@@ -1766,7 +1766,7 @@ 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; -@@ -1948,7 +1948,7 @@ static size_t __iovec_copy_from_user_inatomic(char *vaddr, - - while (bytes) { - char __user *buf = iov->iov_base + base; -- int copy = min(bytes, iov->iov_len - base); -+ size_t copy = min(bytes, iov->iov_len - base); - - base = 0; - left = __copy_from_user_inatomic(vaddr, buf, copy); -@@ -1977,7 +1977,7 @@ size_t iov_iter_copy_from_user_atomic(struct page *page, - BUG_ON(!in_atomic()); - kaddr = kmap_atomic(page); - if (likely(i->nr_segs == 1)) { -- int left; -+ size_t left; - char __user *buf = i->iov->iov_base + i->iov_offset; - left = __copy_from_user_inatomic(kaddr + offset, buf, bytes); - copied = bytes - left; -@@ -2005,7 +2005,7 @@ size_t iov_iter_copy_from_user(struct page *page, - - kaddr = kmap(page); - if (likely(i->nr_segs == 1)) { -- int left; -+ size_t left; - char __user *buf = i->iov->iov_base + i->iov_offset; - left = __copy_from_user(kaddr + offset, buf, bytes); - copied = bytes - left; -@@ -2035,7 +2035,7 @@ void iov_iter_advance(struct iov_iter *i, size_t bytes) - * zero-length segments (without overruning the iovec). - */ - while (bytes || unlikely(i->count && !iov->iov_len)) { -- int copy; -+ size_t copy; - - copy = min(bytes, iov->iov_len - base); - BUG_ON(!i->count || i->count < copy); -@@ -2106,6 +2106,7 @@ inline int generic_write_checks(struct file *file, loff_t *pos, size_t *count, i - *pos = i_size_read(inode); - - if (limit != RLIM_INFINITY) { -+ gr_learn_resource(current, RLIMIT_FSIZE,*pos, 0); - if (*pos >= limit) { - send_sig(SIGXFSZ, current, 0); - return -EFBIG; -diff --git a/mm/fremap.c b/mm/fremap.c -index 87da359..3f41cb1 100644 ---- a/mm/fremap.c -+++ b/mm/fremap.c -@@ -158,6 +158,11 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size, - retry: - 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 -+ - /* - * Make sure the vma is shared, that it supports prefaulting, - * and that the remapped range is valid and fully within -diff --git a/mm/highmem.c b/mm/highmem.c -index b32b70c..e512eb0 100644 ---- a/mm/highmem.c -+++ b/mm/highmem.c -@@ -138,8 +138,9 @@ 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; - } -@@ -198,9 +199,11 @@ 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 7c5eb85..5c01c2f 100644 ---- a/mm/hugetlb.c -+++ b/mm/hugetlb.c -@@ -2022,15 +2022,17 @@ static int hugetlb_sysctl_handler_common(bool obey_mempolicy, - struct hstate *h = &default_hstate; - unsigned long tmp; - int ret; -+ ctl_table_no_const hugetlb_table; - - tmp = h->max_huge_pages; - - if (write && h->order >= MAX_ORDER) - 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; - -@@ -2087,15 +2089,17 @@ 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; - - tmp = h->nr_overcommit_huge_pages; - - if (write && h->order >= MAX_ORDER) - 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; - -@@ -2545,6 +2549,27 @@ static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma, - return 1; - } - -+#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 -@@ -2663,6 +2688,11 @@ 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; - } -@@ -2821,6 +2851,10 @@ 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); -@@ -2850,6 +2884,10 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, - static DEFINE_MUTEX(hugetlb_instantiation_mutex); - struct hstate *h = hstate_vma(vma); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - address &= huge_page_mask(h); - - ptep = huge_pte_offset(mm, address); -@@ -2863,6 +2901,26 @@ 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 8562de0..92b2073 100644 ---- a/mm/internal.h -+++ b/mm/internal.h -@@ -100,6 +100,7 @@ extern pmd_t *mm_find_pmd(struct mm_struct *mm, unsigned long address); - * in mm/page_alloc.c - */ - 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); -@@ -355,7 +356,7 @@ 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 c8d7f31..2dbeffd 100644 ---- a/mm/kmemleak.c -+++ b/mm/kmemleak.c -@@ -363,7 +363,7 @@ 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); - } - } - -@@ -1851,7 +1851,7 @@ 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 7055883..aafb1ed 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: -@@ -274,6 +285,11 @@ 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; -@@ -286,6 +302,21 @@ static long madvise_dontneed(struct vm_area_struct * vma, - zap_page_range(vma, start, end - start, &details); - } else - zap_page_range(vma, start, end - start, NULL); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ if (unlikely(vma->vm_flags & VM_NONLINEAR)) { -+ struct zap_details details = { -+ .nonlinear_vma = vma_m, -+ .last_index = ULONG_MAX, -+ }; -+ zap_page_range(vma, start + SEGMEXEC_TASK_SIZE, end - start, &details); -+ } else -+ zap_page_range(vma, start + SEGMEXEC_TASK_SIZE, end - start, NULL); -+ } -+#endif -+ - return 0; - } - -@@ -485,6 +516,16 @@ 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 ceb0c7f..b2b8e94 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) - -@@ -202,7 +202,7 @@ 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 -@@ -760,7 +760,7 @@ static struct page_state { - unsigned long res; - char *msg; - int (*action)(struct page *p, unsigned long pfn); --} error_states[] = { -+} __do_const error_states[] = { - { reserved, reserved, "reserved kernel", me_kernel }, - /* - * free pages are specially detected outside this table: -@@ -1051,7 +1051,7 @@ 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. -@@ -1081,7 +1081,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags) - if (!PageHWPoison(hpage) - || (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); - return 0; - } - set_page_hwpoison_huge_page(hpage); -@@ -1148,7 +1148,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags) - } - 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; -@@ -1350,7 +1350,7 @@ int unpoison_memory(unsigned long pfn) - return 0; - } - if (TestClearPageHWPoison(p)) -- atomic_long_sub(nr_pages, &num_poisoned_pages); -+ atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages); - pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn); - return 0; - } -@@ -1364,7 +1364,7 @@ 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); -@@ -1491,7 +1491,7 @@ static int soft_offline_huge_page(struct page *page, int flags) - } else { - set_page_hwpoison_huge_page(hpage); - dequeue_hwpoisoned_huge_page(hpage); -- atomic_long_add(1 << compound_trans_order(hpage), -+ atomic_long_add_unchecked(1 << compound_trans_order(hpage), - &num_poisoned_pages); - } - /* keep elevated page count for bad page */ -@@ -1552,11 +1552,11 @@ int soft_offline_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_trans_order(hpage), -+ atomic_long_add_unchecked(1 << compound_trans_order(hpage), - &num_poisoned_pages); - } else { - SetPageHWPoison(page); -- atomic_long_inc(&num_poisoned_pages); -+ atomic_long_inc_unchecked(&num_poisoned_pages); - } - } - /* keep elevated page count for bad page */ -@@ -1596,7 +1596,7 @@ 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; - } - -@@ -1626,7 +1626,7 @@ static int __soft_offline_page(struct page *page, int flags) - ret = -EIO; - } else { - SetPageHWPoison(page); -- 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", -diff --git a/mm/memory.c b/mm/memory.c -index 5a35443..7c0340f 100644 ---- a/mm/memory.c -+++ b/mm/memory.c -@@ -428,6 +428,7 @@ 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; -@@ -442,6 +443,8 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud, - pmd = pmd_offset(pud, start); - pud_clear(pud); - pmd_free_tlb(tlb, pmd, start); -+#endif -+ - } - - static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, -@@ -461,6 +464,7 @@ 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; -@@ -475,6 +479,8 @@ 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 -+ - } - - /* -@@ -1644,12 +1650,6 @@ no_page_table: - return page; - } - --static inline int stack_guard_page(struct vm_area_struct *vma, unsigned long addr) --{ -- return stack_guard_page_start(vma, addr) || -- stack_guard_page_end(vma, addr+PAGE_SIZE); --} -- - /** - * __get_user_pages() - pin user pages in memory - * @tsk: task_struct of target task -@@ -1736,10 +1736,10 @@ long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - - i = 0; - -- do { -+ while (nr_pages) { - struct vm_area_struct *vma; - -- vma = find_extend_vma(mm, start); -+ vma = find_vma(mm, start); - if (!vma && in_gate_area(mm, start)) { - unsigned long pg = start & PAGE_MASK; - pgd_t *pgd; -@@ -1788,7 +1788,7 @@ long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - goto next_page; - } - -- if (!vma || -+ if (!vma || start < vma->vm_start || - (vma->vm_flags & (VM_IO | VM_PFNMAP)) || - !(vm_flags & vma->vm_flags)) - return i ? : -EFAULT; -@@ -1817,11 +1817,6 @@ long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - int ret; - unsigned int fault_flags = 0; - -- /* For mlock, just skip the stack guard page. */ -- if (foll_flags & FOLL_MLOCK) { -- if (stack_guard_page(vma, start)) -- goto next_page; -- } - if (foll_flags & FOLL_WRITE) - fault_flags |= FAULT_FLAG_WRITE; - if (nonblocking) -@@ -1901,7 +1896,7 @@ next_page: - start += page_increm * PAGE_SIZE; - nr_pages -= page_increm; - } while (nr_pages && start < vma->vm_end); -- } while (nr_pages); -+ } - return i; - } - EXPORT_SYMBOL(__get_user_pages); -@@ -2108,6 +2103,10 @@ 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; -@@ -2152,9 +2151,21 @@ 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); - } -@@ -2237,6 +2248,7 @@ 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; -@@ -2484,7 +2496,9 @@ 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 { -@@ -2504,7 +2518,9 @@ 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 { -@@ -2592,6 +2608,186 @@ static inline void cow_user_page(struct page *dst, struct page *src, unsigned lo - copy_user_highpage(dst, src, va, vma); - } - -+#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_present(entry)) { -+ if (!pte_none(entry)) { -+ BUG_ON(pte_file(entry)); -+ free_swap_and_cache(pte_to_swp_entry(entry)); -+ 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 -+ - /* - * This routine handles present pages, when users try to write - * to a shared page. It is done by copying the page to a new address -@@ -2808,6 +3004,12 @@ gotten: - */ - 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); -@@ -2859,6 +3061,10 @@ gotten: - 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; - ret |= VM_FAULT_WRITE; -@@ -3134,6 +3340,11 @@ 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) { - /* -@@ -3157,6 +3368,11 @@ 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: -@@ -3176,40 +3392,6 @@ 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; -- -- 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; -- -- 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. -@@ -3218,27 +3400,23 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, - unsigned long address, pte_t *page_table, pmd_t *pmd, - unsigned int flags) - { -- struct page *page; -+ struct page *page = NULL; - spinlock_t *ptl; - pte_t entry; - -- pte_unmap(page_table); -- -- /* Check if we need to add a guard page to the stack */ -- if (check_stack_guard_page(vma, address) < 0) -- return VM_FAULT_SIGBUS; -- -- /* Use the zero-page for reads */ - if (!(flags & FAULT_FLAG_WRITE)) { - 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); -@@ -3262,6 +3440,11 @@ 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); - setpte: -@@ -3269,6 +3452,12 @@ 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; -@@ -3412,6 +3601,12 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma, - */ - /* Only go through if we didn't race with anybody else... */ - if (likely(pte_same(*page_table, orig_pte))) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (anon && pax_find_mirror_vma(vma)) -+ BUG_ON(!trylock_page(page)); -+#endif -+ - flush_icache_page(vma, page); - entry = mk_pte(page, vma->vm_page_prot); - if (flags & FAULT_FLAG_WRITE) -@@ -3431,6 +3626,14 @@ static int __do_fault(struct mm_struct *mm, struct vm_area_struct *vma, - - /* no need to invalidate: a not-present page won't be cached */ - update_mmu_cache(vma, address, page_table); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (anon) -+ pax_mirror_anon_pte(vma, address, page, ptl); -+ else -+ pax_mirror_file_pte(vma, address, page, ptl); -+#endif -+ - } else { - if (cow_page) - mem_cgroup_uncharge_page(cow_page); -@@ -3752,6 +3955,12 @@ 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; -@@ -3768,6 +3977,10 @@ 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 -+ - __set_current_state(TASK_RUNNING); - - count_vm_event(PGFAULT); -@@ -3779,6 +3992,34 @@ int handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, - 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 -+ - retry: - pgd = pgd_offset(mm, address); - pud = pud_alloc(mm, pgd, address); -@@ -3877,6 +4118,23 @@ 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 -@@ -3907,6 +4165,30 @@ 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)) /* Another has populated it */ -+ pmd_free(mm, new); -+ else -+ pud_populate_kernel(mm, pud, new); -+#else -+ if (pgd_present(*pud)) /* Another has populated it */ -+ pmd_free(mm, new); -+ else -+ pgd_populate_kernel(mm, pud, new); -+#endif /* __ARCH_HAS_4LEVEL_HACK */ -+ spin_unlock(&mm->page_table_lock); -+ return 0; -+} - #endif /* __PAGETABLE_PMD_FOLDED */ - - #if !defined(__HAVE_ARCH_GATE_AREA) -@@ -3920,7 +4202,7 @@ 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; - } -@@ -4054,8 +4336,8 @@ 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; -@@ -4080,8 +4362,8 @@ int generic_access_phys(struct vm_area_struct *vma, unsigned long addr, - * 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; -@@ -4089,7 +4371,7 @@ 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; - -@@ -4148,8 +4430,8 @@ 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); - } -@@ -4159,11 +4441,11 @@ 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 4baf12e..5497066 100644 ---- a/mm/mempolicy.c -+++ b/mm/mempolicy.c -@@ -708,6 +708,10 @@ 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; -@@ -751,6 +755,16 @@ 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: -@@ -1206,6 +1220,17 @@ 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; - -@@ -1434,8 +1459,7 @@ 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; -@@ -1466,6 +1490,15 @@ 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 6f0c244..6d1ae32 100644 ---- a/mm/migrate.c -+++ b/mm/migrate.c -@@ -1399,8 +1399,7 @@ 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 79b7cf7..9944291 100644 ---- a/mm/mlock.c -+++ b/mm/mlock.c -@@ -13,6 +13,7 @@ - #include <linux/pagemap.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> -@@ -334,7 +335,7 @@ 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)); -@@ -343,6 +344,9 @@ 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; -@@ -354,6 +358,11 @@ 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; -@@ -466,6 +475,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len) - lock_limit >>= PAGE_SHIFT; - - /* 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); - up_write(&current->mm->mmap_sem); -@@ -500,6 +510,11 @@ 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; -@@ -532,6 +547,7 @@ SYSCALL_DEFINE1(mlockall, int, flags) - lock_limit >>= PAGE_SHIFT; - - ret = -ENOMEM; -+ gr_learn_resource(current, RLIMIT_MEMLOCK, current->mm->total_vm << PAGE_SHIFT, 1); - if (!(flags & MCL_CURRENT) || (current->mm->total_vm <= lock_limit) || - capable(CAP_IPC_LOCK)) - ret = do_mlockall(flags); -diff --git a/mm/mmap.c b/mm/mmap.c -index 8d25fdc..bfb7626 100644 ---- a/mm/mmap.c -+++ b/mm/mmap.c -@@ -36,6 +36,7 @@ - #include <linux/sched/sysctl.h> - #include <linux/notifier.h> - #include <linux/memory.h> -+#include <linux/random.h> - - #include <asm/uaccess.h> - #include <asm/cacheflush.h> -@@ -52,6 +53,16 @@ - #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); -@@ -71,16 +82,25 @@ 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); - -@@ -89,6 +109,7 @@ int sysctl_overcommit_ratio __read_mostly = 50; /* default is 50% */ - 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. -@@ -247,6 +268,7 @@ 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) -@@ -291,6 +313,7 @@ SYSCALL_DEFINE1(brk, unsigned long, brk) - * not page aligned -Ram Gupta - */ - rlim = rlimit(RLIMIT_DATA); -+ gr_learn_resource(current, RLIMIT_DATA, (brk - mm->start_brk) + (mm->end_data - mm->start_data), 1); - if (rlim < RLIM_INFINITY && (brk - mm->start_brk) + - (mm->end_data - mm->start_data) > rlim) - goto out; -@@ -933,6 +956,12 @@ 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) -@@ -952,6 +981,12 @@ 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; -@@ -994,13 +1029,20 @@ can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags, - struct vm_area_struct *vma_merge(struct mm_struct *mm, - struct vm_area_struct *prev, unsigned long addr, - unsigned long end, unsigned long vm_flags, -- struct anon_vma *anon_vma, struct file *file, -+ struct anon_vma *anon_vma, struct file *file, - pgoff_t pgoff, struct mempolicy *policy) - { - pgoff_t pglen = (end - addr) >> PAGE_SHIFT; - 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. -@@ -1016,6 +1058,15 @@ 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? - */ -@@ -1035,9 +1086,24 @@ 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); -@@ -1051,12 +1117,27 @@ 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); -@@ -1165,8 +1246,10 @@ 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; - -@@ -1174,7 +1257,7 @@ 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 */ -@@ -1213,7 +1296,7 @@ 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; - -@@ -1239,7 +1322,7 @@ 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; - -@@ -1250,6 +1333,43 @@ 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; -@@ -1261,6 +1381,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, - 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; - } -@@ -1341,6 +1462,9 @@ 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) || -@@ -1432,7 +1556,7 @@ 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? */ -@@ -1480,7 +1604,22 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - unsigned long charged = 0; - struct inode *inode = file ? file_inode(file) : NULL; - -+#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; - -@@ -1499,11 +1638,10 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - - /* Clear old maps */ - error = -ENOMEM; --munmap_back: - if (find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent)) { - if (do_munmap(mm, addr, len)) - return -ENOMEM; -- goto munmap_back; -+ BUG_ON(find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent)); - } - - /* -@@ -1534,6 +1672,16 @@ munmap_back: - 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; -@@ -1558,6 +1706,13 @@ munmap_back: - 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 -@@ -1596,6 +1751,11 @@ munmap_back: - vma_link(mm, vma, prev, rb_link, rb_parent); - file = vma->vm_file; - -+#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 (correct_wcount) - atomic_inc(&inode->i_writecount); -@@ -1603,6 +1763,7 @@ 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))) -@@ -1626,6 +1787,12 @@ unmap_and_free_vma: - unmap_region(mm, vma, prev, vma->vm_start, vma->vm_end); - charged = 0; - 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) -@@ -1633,7 +1800,63 @@ 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 -@@ -1681,11 +1904,29 @@ 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; - -@@ -1735,7 +1976,7 @@ 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; -@@ -1789,6 +2030,24 @@ 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; - -@@ -1852,6 +2111,7 @@ 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) - return -ENOMEM; -@@ -1859,29 +2119,45 @@ 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 && -- (!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 = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - #endif - - void arch_unmap_area(struct mm_struct *mm, unsigned long addr) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE <= addr) -+ return; -+#endif -+ - /* - * Is this a new hole at the lowest possible address? - */ -- if (addr >= TASK_UNMAPPED_BASE && addr < mm->free_area_cache) -+ if (addr >= mm->mmap_base && addr < mm->free_area_cache) - mm->free_area_cache = addr; - } - -@@ -1899,6 +2175,7 @@ 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) -@@ -1907,12 +2184,15 @@ 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 && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -1921,6 +2201,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.low_limit = PAGE_SIZE; - info.high_limit = mm->mmap_base; - info.align_mask = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -1933,6 +2214,12 @@ 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); - } -@@ -1943,6 +2230,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - - void arch_unmap_area_topdown(struct mm_struct *mm, unsigned long addr) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE <= addr) -+ return; -+#endif -+ - /* - * Is this a new hole at the highest possible address? - */ -@@ -1950,8 +2243,10 @@ void arch_unmap_area_topdown(struct mm_struct *mm, unsigned long addr) - mm->free_area_cache = addr; - - /* dont allow allocations above current base */ -- if (mm->free_area_cache > mm->mmap_base) -+ if (mm->free_area_cache > mm->mmap_base) { - mm->free_area_cache = mm->mmap_base; -+ mm->cached_hole_size = ~0UL; -+ } - } - - unsigned long -@@ -2047,6 +2342,28 @@ 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 -@@ -2063,6 +2380,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns - return -ENOMEM; - - /* Stack limit test */ -+ gr_learn_resource(current, RLIMIT_STACK, size, 1); - if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur)) - return -ENOMEM; - -@@ -2073,6 +2391,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns - locked = mm->locked_vm + grow; - limit = ACCESS_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; - } -@@ -2102,37 +2421,48 @@ 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; -@@ -2167,6 +2497,8 @@ 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); - validate_mm(vma->vm_mm); -@@ -2181,6 +2513,8 @@ 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 -@@ -2194,6 +2528,15 @@ 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); - - /* -@@ -2203,9 +2546,17 @@ 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; - -@@ -2230,13 +2581,27 @@ 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); - validate_mm(vma->vm_mm); - return error; -@@ -2334,6 +2699,13 @@ 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); -@@ -2379,6 +2751,16 @@ 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; -@@ -2410,14 +2792,33 @@ 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; - -@@ -2430,6 +2831,22 @@ 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 -+ - pol = mpol_dup(vma_policy(vma)); - if (IS_ERR(pol)) { - err = PTR_ERR(pol); -@@ -2452,6 +2869,36 @@ 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) { -+ if (anon_vma_clone(new_m, vma_m)) -+ goto out_free_mpol; -+ -+ mpol_get(pol); -+ vma_set_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; -@@ -2461,10 +2908,18 @@ 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(pol); - 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; -@@ -2477,6 +2932,15 @@ 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; - -@@ -2488,11 +2952,30 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - * work. This now handles partial unmappings. - * Jeremy Fitzhardinge jeremy@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; - -@@ -2567,6 +3050,8 @@ 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; - } - -@@ -2575,6 +3060,13 @@ 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); -@@ -2588,16 +3080,6 @@ SYSCALL_DEFINE2(munmap, unsigned long, addr, size_t, len) - return vm_munmap(addr, len); - } - --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 -@@ -2611,6 +3093,7 @@ 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) -@@ -2618,16 +3101,30 @@ 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; -+ - /* - * mlock MCL_FUTURE? - */ - if (mm->def_flags & VM_LOCKED) { - unsigned long locked, lock_limit; -- locked = len >> PAGE_SHIFT; -+ locked = charged; - locked += mm->locked_vm; - lock_limit = rlimit(RLIMIT_MEMLOCK); - lock_limit >>= PAGE_SHIFT; -@@ -2644,21 +3141,20 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) - /* - * Clear old maps. this also does some error checking for us - */ -- munmap_back: - if (find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent)) { - if (do_munmap(mm, addr, len)) - return -ENOMEM; -- goto munmap_back; -+ 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? */ -@@ -2672,7 +3168,7 @@ 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; - } - -@@ -2686,9 +3182,10 @@ 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; -+ track_exec_limit(mm, addr, addr + len, flags); - return addr; - } - -@@ -2750,6 +3247,7 @@ 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); -@@ -2766,6 +3264,13 @@ 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 -@@ -2789,7 +3294,21 @@ 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; - } - -@@ -2809,6 +3328,8 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap, - struct mempolicy *pol; - 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. -@@ -2875,6 +3396,39 @@ 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); -+ vma_set_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 -@@ -2886,6 +3440,7 @@ 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; -@@ -2956,6 +3511,22 @@ int install_special_mapping(struct mm_struct *mm, - 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 -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; - vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - -diff --git a/mm/mprotect.c b/mm/mprotect.c -index 94722a4..e661e29 100644 ---- a/mm/mprotect.c -+++ b/mm/mprotect.c -@@ -23,10 +23,18 @@ - #include <linux/mmu_notifier.h> - #include <linux/migrate.h> - #include <linux/perf_event.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> - - #ifndef pgprot_modify - static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot) -@@ -233,6 +241,48 @@ 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(); -+ cpus_clear(mm->context.cpu_user_cs_mask); -+ cpu_set(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) -@@ -245,11 +295,29 @@ 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 -@@ -266,6 +334,42 @@ 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. - */ -@@ -296,9 +400,21 @@ 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 -+ - vma->vm_page_prot = pgprot_modify(vma->vm_page_prot, -- vm_get_page_prot(newflags)); -+ vm_get_page_prot(vma->vm_flags)); - - if (vma_wants_writenotify(vma)) { - vma->vm_page_prot = vm_get_page_prot(newflags & ~VM_SHARED); -@@ -337,6 +453,17 @@ 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; - -@@ -344,7 +471,7 @@ 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); -@@ -376,6 +503,11 @@ 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; - -@@ -386,6 +518,14 @@ 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; - } -@@ -400,6 +540,9 @@ 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 463a257..c0c7a92 100644 ---- a/mm/mremap.c -+++ b/mm/mremap.c -@@ -126,6 +126,12 @@ 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) && (new_vma->vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC) -+ pte = pte_exprotect(pte); -+#endif -+ - set_pte_at(mm, new_addr, new_pte, pte); - } - -@@ -318,6 +324,11 @@ static struct vm_area_struct *vma_to_resize(unsigned long addr, - if (is_vm_hugetlb_page(vma)) - goto Einval; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ goto Einval; -+#endif -+ - /* We can't remap across vm area boundaries */ - if (old_len > vma->vm_end - addr) - goto Efault; -@@ -373,20 +384,25 @@ 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); -@@ -455,6 +471,7 @@ 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; - - down_write(&current->mm->mmap_sem); - -@@ -475,6 +492,17 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, - if (!new_len) - goto out; - -+#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) -+ goto out; -+ - if (flags & MREMAP_FIXED) { - if (flags & MREMAP_MAYMOVE) - ret = mremap_to(addr, old_len, new_addr, new_len, -@@ -524,6 +552,7 @@ 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; - } - } -@@ -547,7 +576,12 @@ 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 298884d..5f74980 100644 ---- a/mm/nommu.c -+++ b/mm/nommu.c -@@ -65,7 +65,6 @@ 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; - -@@ -842,15 +841,6 @@ 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 - */ -@@ -1561,6 +1551,7 @@ 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; - -@@ -1995,8 +1986,8 @@ int generic_file_remap_pages(struct vm_area_struct *vma, unsigned long addr, - } - EXPORT_SYMBOL(generic_file_remap_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; - -@@ -2037,8 +2028,8 @@ 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); - } -@@ -2047,7 +2038,7 @@ 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 4514ad7..92eaa1c 100644 ---- a/mm/page-writeback.c -+++ b/mm/page-writeback.c -@@ -659,7 +659,7 @@ unsigned long bdi_dirty_limit(struct backing_dev_info *bdi, unsigned long dirty) - * 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, -@@ -1634,7 +1634,7 @@ ratelimit_handler(struct notifier_block *self, unsigned long action, - } - } - --static struct notifier_block __cpuinitdata ratelimit_nb = { -+static struct notifier_block ratelimit_nb = { - .notifier_call = ratelimit_handler, - .next = NULL, - }; -diff --git a/mm/page_alloc.c b/mm/page_alloc.c -index 2ee0fd3..6e2edfb 100644 ---- a/mm/page_alloc.c -+++ b/mm/page_alloc.c -@@ -60,6 +60,7 @@ - #include <linux/page-debug-flags.h> - #include <linux/hugetlb.h> - #include <linux/sched/rt.h> -+#include <linux/random.h> - - #include <asm/tlbflush.h> - #include <asm/div64.h> -@@ -345,7 +346,7 @@ 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)); - } -@@ -702,6 +703,10 @@ static bool free_pages_prepare(struct page *page, unsigned int order) - int i; - int bad = 0; - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ unsigned long index = 1UL << order; -+#endif -+ - trace_mm_page_free(page, order); - kmemcheck_free_shadow(page, order); - -@@ -717,6 +722,12 @@ 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); - -@@ -739,6 +750,19 @@ 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; -+#endif -+ - /* - * Read access to zone->managed_pages is safe because it's unsigned long, - * but we still need to serialize writers. Currently all callers of -@@ -761,6 +785,19 @@ void __meminit __free_pages_bootmem(struct page *page, unsigned int order) - 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 += 1 << order; - set_page_refcounted(page); - __free_pages(page, order); -@@ -870,8 +907,10 @@ static int prep_new_page(struct page *page, int order, gfp_t gfp_flags) - arch_alloc_page(page, order); - kernel_map_pages(page, 1 << order, 1); - -+#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); -diff --git a/mm/page_io.c b/mm/page_io.c -index a8a3ef4..7260a60 100644 ---- a/mm/page_io.c -+++ b/mm/page_io.c -@@ -214,7 +214,7 @@ int __swap_writepage(struct page *page, struct writeback_control *wbc, - struct file *swap_file = sis->swap_file; - struct address_space *mapping = swap_file->f_mapping; - struct iovec iov = { -- .iov_base = kmap(page), -+ .iov_base = (void __force_user *)kmap(page), - .iov_len = PAGE_SIZE, - }; - -diff --git a/mm/percpu.c b/mm/percpu.c -index 8c8e08f..73a5cda 100644 ---- a/mm/percpu.c -+++ b/mm/percpu.c -@@ -122,7 +122,7 @@ 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 fd26d04..0cea1b0 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> -@@ -258,19 +259,19 @@ static ssize_t process_vm_rw_core(pid_t pid, const struct iovec *lvec, - size_t iov_l_curr_offset = 0; - ssize_t iov_len; - -+ 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) -@@ -298,6 +299,11 @@ static ssize_t process_vm_rw_core(pid_t pid, const struct iovec *lvec, - 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 6280da8..b5c090e 100644 ---- a/mm/rmap.c -+++ b/mm/rmap.c -@@ -163,6 +163,10 @@ 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; -@@ -172,6 +176,12 @@ 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) { -@@ -185,6 +195,18 @@ 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); -+ avc_m = NULL; -+ } -+#endif -+ - vma->anon_vma = anon_vma; - anon_vma_chain_link(vma, avc, anon_vma); - allocated = NULL; -@@ -195,12 +217,24 @@ 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; -@@ -236,7 +270,7 @@ static inline void unlock_anon_vma_root(struct anon_vma *root) - * Attach the anon_vmas from src to dst. - * Returns 0 on success, -ENOMEM on failure. - */ --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; -@@ -269,7 +303,7 @@ 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; -@@ -373,8 +407,10 @@ 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 5e6a842..b41916e 100644 ---- a/mm/shmem.c -+++ b/mm/shmem.c -@@ -33,7 +33,7 @@ - #include <linux/swap.h> - #include <linux/aio.h> - --static struct vfsmount *shm_mnt; -+struct vfsmount *shm_mnt; - - #ifdef CONFIG_SHMEM - /* -@@ -77,7 +77,7 @@ 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 and shmem_writepage communicate via inode->i_private -@@ -2203,6 +2203,11 @@ 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 } - }; -@@ -2258,6 +2263,15 @@ 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); - } - -@@ -2570,8 +2584,7 @@ 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 bd88411..2d46fd6 100644 ---- a/mm/slab.c -+++ b/mm/slab.c -@@ -366,10 +366,12 @@ 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) -@@ -386,6 +388,8 @@ 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 -@@ -477,7 +481,7 @@ static inline void *index_to_obj(struct kmem_cache *cache, struct slab *slab, - * reciprocal_divide(offset, cache->reciprocal_buffer_size) - */ - static inline unsigned int obj_to_index(const struct kmem_cache *cache, -- const struct slab *slab, void *obj) -+ const struct slab *slab, const void *obj) - { - u32 offset = (obj - slab->s_mem); - return reciprocal_divide(offset, cache->reciprocal_buffer_size); -@@ -1384,7 +1388,7 @@ static int __cpuinit cpuup_callback(struct notifier_block *nfb, - return notifier_from_errno(err); - } - --static struct notifier_block __cpuinitdata cpucache_notifier = { -+static struct notifier_block cpucache_notifier = { - &cpuup_callback, NULL, 0 - }; - -@@ -1565,12 +1569,12 @@ void __init kmem_cache_init(void) - */ - - kmalloc_caches[INDEX_AC] = create_kmalloc_cache("kmalloc-ac", -- kmalloc_size(INDEX_AC), ARCH_KMALLOC_FLAGS); -+ kmalloc_size(INDEX_AC), SLAB_USERCOPY | ARCH_KMALLOC_FLAGS); - - if (INDEX_AC != INDEX_NODE) - 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_early_init = 0; - -@@ -3583,6 +3587,21 @@ 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 (pax_sanitize_slab) { -+ if (!(cachep->flags & (SLAB_POISON | SLAB_NO_SANITIZE))) { -+ memset(objp, PAX_MEMORY_SANITIZE_VALUE, cachep->object_size); -+ -+ if (cachep->ctor) -+ cachep->ctor(objp); -+ -+ STATS_INC_SANITIZED(cachep); -+ } else -+ STATS_INC_NOT_SANITIZED(cachep); -+ } -+#endif -+ - kmemleak_free_recursive(objp, cachep->flags); - objp = cache_free_debugcheck(cachep, objp, caller); - -@@ -3800,6 +3819,7 @@ 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); -@@ -4241,14 +4261,22 @@ 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 - } - -@@ -4476,13 +4504,71 @@ 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 (!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; -+ struct slab *slabp; -+ 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; -+ -+ slabp = page->slab_page; -+ objnr = obj_to_index(cachep, slabp, ptr); -+ BUG_ON(objnr >= cachep->num); -+ offset = ptr - index_to_obj(cachep, slabp, 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 f96b49e..db1d204 100644 ---- a/mm/slab.h -+++ b/mm/slab.h -@@ -32,6 +32,15 @@ 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 -+extern bool pax_sanitize_slab; -+#endif -+ - unsigned long calculate_alignment(unsigned long flags, - unsigned long align, unsigned long size); - -@@ -67,7 +76,8 @@ __kmem_cache_alias(struct mem_cgroup *memcg, const char *name, size_t 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) -@@ -229,6 +239,9 @@ 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 2d41450..4efe6ee 100644 ---- a/mm/slab_common.c -+++ b/mm/slab_common.c -@@ -22,11 +22,22 @@ - - #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 -+bool pax_sanitize_slab __read_only = true; -+static int __init pax_sanitize_slab_setup(char *str) -+{ -+ pax_sanitize_slab = !!simple_strtol(str, NULL, 0); -+ printk("%sabled PaX slab sanitization\n", pax_sanitize_slab ? "En" : "Dis"); -+ return 1; -+} -+__setup("pax_sanitize_slab=", pax_sanitize_slab_setup); -+#endif -+ - #ifdef CONFIG_DEBUG_VM - static int kmem_cache_sanity_check(struct mem_cgroup *memcg, const char *name, - size_t size) -@@ -209,7 +220,7 @@ kmem_cache_create_memcg(struct mem_cgroup *memcg, const char *name, size_t size, - - err = __kmem_cache_create(s, flags); - if (!err) { -- s->refcount = 1; -+ atomic_set(&s->refcount, 1); - list_add(&s->list, &slab_caches); - memcg_cache_list_add(memcg, s); - } else { -@@ -255,8 +266,7 @@ void kmem_cache_destroy(struct kmem_cache *s) - - get_online_cpus(); - mutex_lock(&slab_mutex); -- s->refcount--; -- if (!s->refcount) { -+ if (atomic_dec_and_test(&s->refcount)) { - list_del(&s->list); - - if (!__kmem_cache_shutdown(s)) { -@@ -302,7 +312,7 @@ 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, -@@ -315,7 +325,7 @@ 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; - } - -@@ -327,6 +337,11 @@ 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 -@@ -391,6 +406,13 @@ 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]; - } - -@@ -447,7 +469,7 @@ 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); - } - - /* -@@ -456,10 +478,10 @@ 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 */ -@@ -492,6 +514,23 @@ 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 */ - -@@ -516,6 +555,9 @@ 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'); - } -diff --git a/mm/slob.c b/mm/slob.c -index eeed4a0..bb0e9ab 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->list); - set_slob(b, SLOB_UNITS(PAGE_SIZE), b + SLOB_UNITS(PAGE_SIZE)); - set_slob_page_free(sp, slob_list); -@@ -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) -+ 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; - -@@ -442,23 +448,41 @@ __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; -+} -+ -+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; - } - -@@ -493,34 +517,112 @@ 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(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; -+ -+ // 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); - -@@ -536,23 +638,33 @@ int __kmem_cache_create(struct kmem_cache *c, unsigned long flags) - - void *kmem_cache_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 (c->ctor) - c->ctor(b); -@@ -564,10 +676,14 @@ EXPORT_SYMBOL(kmem_cache_alloc_node); - - static void __kmem_cache_free(void *b, int size) - { -- if (size < PAGE_SIZE) -+ struct page *sp; -+ -+ sp = virt_to_page(b); -+ BUG_ON(!PageSlab(sp)); -+ if (!sp->private) - slob_free(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) -@@ -580,17 +696,31 @@ static void kmem_rcu_free(struct rcu_head *head) - - 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(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 57707f0..7857bd3 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 sysfs_slab_remove(struct kmem_cache *); -@@ -519,7 +519,7 @@ static void print_track(const char *s, struct track *t) - if (!t->addr) - return; - -- printk(KERN_ERR "INFO: %s in %pS age=%lu cpu=%u pid=%d\n", -+ printk(KERN_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 - { -@@ -2594,6 +2594,14 @@ static __always_inline void slab_free(struct kmem_cache *s, - - slab_free_hook(s, x); - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ if (pax_sanitize_slab && !(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. -@@ -2661,7 +2669,7 @@ static int slub_min_objects; - * 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 slub_nomerge; -+static int slub_nomerge = 1; - - /* - * Calculate the order of allocation given an slab object size. -@@ -2938,6 +2946,9 @@ 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 -+ (pax_sanitize_slab && !(flags & SLAB_NO_SANITIZE)) || -+#endif - s->ctor)) { - /* - * Relocate free pointer after the object if it is not -@@ -3283,6 +3294,59 @@ void *__kmalloc_node(size_t size, gfp_t flags, int node) - EXPORT_SYMBOL(__kmalloc_node); - #endif - -+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 (!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) - { - struct page *page; -@@ -3347,6 +3411,7 @@ 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)); -@@ -3652,7 +3717,7 @@ static 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; -@@ -3710,7 +3775,7 @@ __kmem_cache_alias(struct mem_cgroup *memcg, const char *name, size_t size, - - s = find_mergeable(memcg, size, align, flags, name, ctor); - if (s) { -- s->refcount++; -+ atomic_inc(&s->refcount); - /* - * Adjust the object sizes so that we clear - * the complete object on kzalloc. -@@ -3719,7 +3784,7 @@ __kmem_cache_alias(struct mem_cgroup *memcg, const char *name, size_t size, - s->inuse = max_t(int, s->inuse, ALIGN(size, sizeof(void *))); - - if (sysfs_slab_alias(s, name)) { -- s->refcount--; -+ atomic_dec(&s->refcount); - s = NULL; - } - } -@@ -3781,7 +3846,7 @@ static int __cpuinit slab_cpuup_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata slab_notifier = { -+static struct notifier_block slab_notifier = { - .notifier_call = slab_cpuup_callback - }; - -@@ -3839,7 +3904,7 @@ 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; -@@ -4226,12 +4291,12 @@ static void 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 */ -@@ -4475,7 +4540,7 @@ SLAB_ATTR_RO(ctor); - - static ssize_t aliases_show(struct kmem_cache *s, char *buf) - { -- return sprintf(buf, "%d\n", s->refcount - 1); -+ return sprintf(buf, "%d\n", atomic_read(&s->refcount) - 1); - } - SLAB_ATTR_RO(aliases); - -@@ -4563,6 +4628,14 @@ 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 -+ - static ssize_t destroy_by_rcu_show(struct kmem_cache *s, char *buf) - { - return sprintf(buf, "%d\n", !!(s->flags & SLAB_DESTROY_BY_RCU)); -@@ -4897,6 +4970,9 @@ 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_NUMA - &remote_node_defrag_ratio_attr.attr, - #endif -@@ -5128,6 +5204,7 @@ 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; -@@ -5151,7 +5228,7 @@ static int sysfs_slab_add(struct kmem_cache *s) - } - - s->kobj.kset = slab_kset; -- err = kobject_init_and_add(&s->kobj, &slab_ktype, NULL, name); -+ err = kobject_init_and_add(&s->kobj, &slab_ktype, NULL, "%s", name); - if (err) { - kobject_put(&s->kobj); - return err; -@@ -5185,6 +5262,7 @@ static 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 -@@ -5198,6 +5276,7 @@ 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; -@@ -5220,6 +5299,7 @@ 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 27eeab3..7c3f7f2 100644 ---- a/mm/sparse-vmemmap.c -+++ b/mm/sparse-vmemmap.c -@@ -130,7 +130,7 @@ 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; - } -@@ -142,7 +142,7 @@ 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 1c91f0d3..485470a 100644 ---- a/mm/sparse.c -+++ b/mm/sparse.c -@@ -761,7 +761,7 @@ 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 dfd7d71..ccdf688 100644 ---- a/mm/swap.c -+++ b/mm/swap.c -@@ -31,6 +31,7 @@ - #include <linux/memcontrol.h> - #include <linux/gfp.h> - #include <linux/uio.h> -+#include <linux/hugetlb.h> - - #include "internal.h" - -@@ -73,6 +74,8 @@ static void __put_compound_page(struct page *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 746af55b..7ac94ae 100644 ---- a/mm/swapfile.c -+++ b/mm/swapfile.c -@@ -66,7 +66,7 @@ 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) - { -@@ -1684,7 +1684,7 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile) - } - filp_close(swap_file, NULL); - err = 0; -- atomic_inc(&proc_poll_event); -+ atomic_inc_unchecked(&proc_poll_event); - wake_up_interruptible(&proc_poll_wait); - - out_dput: -@@ -1701,8 +1701,8 @@ 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; - } - -@@ -1800,7 +1800,7 @@ 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; - } - -@@ -2143,7 +2143,7 @@ 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 ab1424d..7c5bd5a 100644 ---- a/mm/util.c -+++ b/mm/util.c -@@ -294,6 +294,12 @@ done: - 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; - mm->unmap_area = arch_unmap_area; - } -diff --git a/mm/vmalloc.c b/mm/vmalloc.c -index d365724..6cae7c2 100644 ---- a/mm/vmalloc.c -+++ b/mm/vmalloc.c -@@ -59,8 +59,19 @@ 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); - } - -@@ -120,16 +131,29 @@ 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; - } - -@@ -139,7 +163,7 @@ 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 { -@@ -156,7 +180,7 @@ 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 { -@@ -216,6 +240,12 @@ 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); - } - -@@ -236,8 +266,14 @@ 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; - -@@ -339,7 +375,7 @@ 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 __size_overflow(1) struct vmap_area *alloc_vmap_area(unsigned long size, - unsigned long align, - unsigned long vstart, unsigned long vend, - int node, gfp_t gfp_mask) -@@ -1337,6 +1373,16 @@ 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) { - int bit = fls(size); - -@@ -1581,6 +1627,11 @@ 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) -@@ -1682,6 +1733,13 @@ 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)) -+ area = __get_vm_area_node(size, align, VM_ALLOC | VM_UNLIST | VM_KERNEXEC, -+ VMALLOC_START, VMALLOC_END, node, gfp_mask, caller); -+ else -+#endif -+ - area = __get_vm_area_node(size, align, VM_ALLOC | VM_UNLIST, - start, end, node, gfp_mask, caller); - if (!area) -@@ -1858,10 +1916,9 @@ 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)); - } - -@@ -2168,6 +2225,8 @@ int remap_vmalloc_range(struct vm_area_struct *vma, void *addr, - unsigned long uaddr = vma->vm_start; - unsigned long usize = vma->vm_end - vma->vm_start; - -+ BUG_ON(vma->vm_mirror); -+ - if ((PAGE_SIZE-1) & (unsigned long)addr) - return -EINVAL; - -@@ -2629,7 +2688,11 @@ 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 f42745e..62f8346 100644 ---- a/mm/vmstat.c -+++ b/mm/vmstat.c -@@ -76,7 +76,7 @@ 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 -@@ -452,7 +452,7 @@ void refresh_cpu_vm_stats(int cpu) - v = p->vm_stat_diff[i]; - p->vm_stat_diff[i] = 0; - local_irq_restore(flags); -- 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 */ -@@ -490,7 +490,7 @@ void refresh_cpu_vm_stats(int cpu) - - for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) - if (global_diff[i]) -- atomic_long_add(global_diff[i], &vm_stat[i]); -+ atomic_long_add_unchecked(global_diff[i], &vm_stat[i]); - } - - /* -@@ -505,8 +505,8 @@ 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 -@@ -1226,7 +1226,7 @@ static int __cpuinit vmstat_cpuup_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __cpuinitdata vmstat_notifier = -+static struct notifier_block vmstat_notifier = - { &vmstat_cpuup_callback, NULL, 0 }; - #endif - -@@ -1241,10 +1241,20 @@ static int __init setup_vmstat(void) - start_cpu_timer(cpu); - #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); -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ proc_create("vmstat", gr_mode | S_IRGRP, NULL, &proc_vmstat_file_operations); -+#else -+ proc_create("vmstat", gr_mode, NULL, &proc_vmstat_file_operations); -+#endif -+ 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 9424f37..6aabf19 100644 ---- a/net/8021q/vlan.c -+++ b/net/8021q/vlan.c -@@ -469,7 +469,7 @@ 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, - }; - -@@ -544,8 +544,7 @@ 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/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 02efb25..41541a9 100644 ---- a/net/9p/trans_fd.c -+++ b/net/9p/trans_fd.c -@@ -425,7 +425,7 @@ 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/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.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/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/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c -index d5744b7..506bae3 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 f680ee1..97e3542 100644 ---- a/net/batman-adv/bat_iv_ogm.c -+++ b/net/batman-adv/bat_iv_ogm.c -@@ -79,7 +79,7 @@ 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); -@@ -627,9 +627,9 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface) - batadv_ogm_packet = (struct batadv_ogm_packet *)(*ogm_buff); - - /* 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_ogm_packet->ttvn = atomic_read(&bat_priv->tt.vn); - batadv_ogm_packet->tt_crc = htons(bat_priv->tt.local_crc); -@@ -1037,7 +1037,7 @@ static void batadv_iv_ogm_process(const struct ethhdr *ethhdr, - 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 (batadv_ogm_packet->flags & BATADV_DIRECTLINK) - has_directlink_flag = 1; -diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c -index de27b31..7058bfe 100644 ---- a/net/batman-adv/bridge_loop_avoidance.c -+++ b/net/batman-adv/bridge_loop_avoidance.c -@@ -1522,6 +1522,8 @@ out: - * in these cases, the skb is further handled by this function and - * returns 1, otherwise it returns 0 and the caller shall further - * process the skb. -+ * -+ * This call might reallocate skb data. - */ - int batadv_bla_tx(struct batadv_priv *bat_priv, struct sk_buff *skb, short vid) - { -diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c -index f105219..7614af3 100644 ---- a/net/batman-adv/gateway_client.c -+++ b/net/batman-adv/gateway_client.c -@@ -508,6 +508,7 @@ out: - return 0; - } - -+/* this call might reallocate skb data */ - static bool batadv_is_type_dhcprequest(struct sk_buff *skb, int header_len) - { - int ret = false; -@@ -568,6 +569,7 @@ out: - return ret; - } - -+/* this call might reallocate skb data */ - bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len) - { - struct ethhdr *ethhdr; -@@ -619,6 +621,12 @@ bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len) - - if (!pskb_may_pull(skb, *header_len + sizeof(*udphdr))) - return false; -+ -+ /* skb->data might have been reallocated by pskb_may_pull() */ -+ ethhdr = (struct ethhdr *)skb->data; -+ if (ntohs(ethhdr->h_proto) == ETH_P_8021Q) -+ ethhdr = (struct ethhdr *)(skb->data + VLAN_HLEN); -+ - udphdr = (struct udphdr *)(skb->data + *header_len); - *header_len += sizeof(*udphdr); - -@@ -634,12 +642,14 @@ bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len) - return true; - } - -+/* this call might reallocate skb data */ - bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, -- struct sk_buff *skb, struct ethhdr *ethhdr) -+ struct sk_buff *skb) - { - struct batadv_neigh_node *neigh_curr = NULL, *neigh_old = NULL; - struct batadv_orig_node *orig_dst_node = NULL; - struct batadv_gw_node *curr_gw = NULL; -+ struct ethhdr *ethhdr; - bool ret, out_of_range = false; - unsigned int header_len = 0; - uint8_t curr_tq_avg; -@@ -648,6 +658,7 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, - if (!ret) - goto out; - -+ ethhdr = (struct ethhdr *)skb->data; - orig_dst_node = batadv_transtable_search(bat_priv, ethhdr->h_source, - ethhdr->h_dest); - if (!orig_dst_node) -diff --git a/net/batman-adv/gateway_client.h b/net/batman-adv/gateway_client.h -index 039902d..1037d75 100644 ---- a/net/batman-adv/gateway_client.h -+++ b/net/batman-adv/gateway_client.h -@@ -34,7 +34,6 @@ void batadv_gw_node_delete(struct batadv_priv *bat_priv, - void batadv_gw_node_purge(struct batadv_priv *bat_priv); - int batadv_gw_client_seq_print_text(struct seq_file *seq, void *offset); - bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len); --bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, -- struct sk_buff *skb, struct ethhdr *ethhdr); -+bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb); - - #endif /* _NET_BATMAN_ADV_GATEWAY_CLIENT_H_ */ -diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c -index 522243a..b48c0ef 100644 ---- a/net/batman-adv/hard-interface.c -+++ b/net/batman-adv/hard-interface.c -@@ -401,7 +401,7 @@ int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface, - hard_iface->batman_adv_ptype.dev = hard_iface->net_dev; - dev_add_pack(&hard_iface->batman_adv_ptype); - -- atomic_set(&hard_iface->frag_seqno, 1); -+ atomic_set_unchecked(&hard_iface->frag_seqno, 1); - batadv_info(hard_iface->soft_iface, "Adding interface: %s\n", - hard_iface->net_dev->name); - -@@ -550,7 +550,7 @@ batadv_hardif_add_interface(struct net_device *net_dev) - /* This can't be called via a bat_priv callback because - * we have no bat_priv yet. - */ -- atomic_set(&hard_iface->bat_iv.ogm_seqno, 1); -+ atomic_set_unchecked(&hard_iface->bat_iv.ogm_seqno, 1); - hard_iface->bat_iv.ogm_buff = NULL; - - return hard_iface; -diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c -index 819dfb0..226bacd 100644 ---- a/net/batman-adv/soft-interface.c -+++ b/net/batman-adv/soft-interface.c -@@ -180,6 +180,9 @@ static int batadv_interface_tx(struct sk_buff *skb, - if (batadv_bla_tx(bat_priv, skb, vid)) - goto dropped; - -+ /* skb->data might have been reallocated by batadv_bla_tx() */ -+ ethhdr = (struct ethhdr *)skb->data; -+ - /* Register the client MAC in the transtable */ - if (!is_multicast_ether_addr(ethhdr->h_source)) - batadv_tt_local_add(soft_iface, ethhdr->h_source, skb->skb_iif); -@@ -220,6 +223,10 @@ static int batadv_interface_tx(struct sk_buff *skb, - default: - break; - } -+ -+ /* reminder: ethhdr might have become unusable from here on -+ * (batadv_gw_is_dhcp_target() might have reallocated skb data) -+ */ - } - - /* ethernet packet should be broadcasted */ -@@ -253,7 +260,7 @@ static int batadv_interface_tx(struct sk_buff *skb, - primary_if->net_dev->dev_addr, ETH_ALEN); - - /* 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); -@@ -266,7 +273,7 @@ static int batadv_interface_tx(struct sk_buff *skb, - /* unicast packet */ - } else { - if (atomic_read(&bat_priv->gw_mode) != BATADV_GW_MODE_OFF) { -- ret = batadv_gw_out_of_range(bat_priv, skb, ethhdr); -+ ret = batadv_gw_out_of_range(bat_priv, skb); - if (ret) - goto dropped; - } -@@ -472,7 +479,7 @@ 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); -diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h -index aba8364..50fcbb8 100644 ---- a/net/batman-adv/types.h -+++ b/net/batman-adv/types.h -@@ -51,7 +51,7 @@ - struct batadv_hard_iface_bat_iv { - unsigned char *ogm_buff; - int ogm_buff_len; -- atomic_t ogm_seqno; -+ atomic_unchecked_t ogm_seqno; - }; - - /** -@@ -75,7 +75,7 @@ struct batadv_hard_iface { - int16_t if_num; - char if_status; - struct net_device *net_dev; -- atomic_t frag_seqno; -+ atomic_unchecked_t frag_seqno; - struct kobject *hardif_obj; - atomic_t refcount; - struct packet_type batman_adv_ptype; -@@ -558,7 +558,7 @@ struct batadv_priv { - #ifdef CONFIG_BATMAN_ADV_DEBUG - atomic_t log_level; - #endif -- 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/batman-adv/unicast.c b/net/batman-adv/unicast.c -index 0bb3b59..0e3052e 100644 ---- a/net/batman-adv/unicast.c -+++ b/net/batman-adv/unicast.c -@@ -270,7 +270,7 @@ int batadv_frag_send_skb(struct sk_buff *skb, struct batadv_priv *bat_priv, - frag1->flags = BATADV_UNI_FRAG_HEAD | large_tail; - frag2->flags = large_tail; - -- seqno = atomic_add_return(2, &hard_iface->frag_seqno); -+ seqno = atomic_add_return_unchecked(2, &hard_iface->frag_seqno); - frag1->seqno = htons(seqno - 1); - frag2->seqno = htons(seqno); - -@@ -326,7 +326,9 @@ static bool batadv_unicast_push_and_fill_skb(struct sk_buff *skb, int hdr_size, - * @skb: the skb containing the payload to encapsulate - * @orig_node: the destination node - * -- * Returns false if the payload could not be encapsulated or true otherwise -+ * Returns false if the payload could not be encapsulated or true otherwise. -+ * -+ * This call might reallocate skb data. - */ - static bool batadv_unicast_prepare_skb(struct sk_buff *skb, - struct batadv_orig_node *orig_node) -@@ -343,7 +345,9 @@ static bool batadv_unicast_prepare_skb(struct sk_buff *skb, - * @orig_node: the destination node - * @packet_subtype: the batman 4addr packet subtype to use - * -- * Returns false if the payload could not be encapsulated or true otherwise -+ * Returns false if the payload could not be encapsulated or true otherwise. -+ * -+ * This call might reallocate skb data. - */ - bool batadv_unicast_4addr_prepare_skb(struct batadv_priv *bat_priv, - struct sk_buff *skb, -@@ -401,7 +405,7 @@ int batadv_unicast_generic_send_skb(struct batadv_priv *bat_priv, - struct batadv_neigh_node *neigh_node; - int data_len = skb->len; - int ret = NET_RX_DROP; -- unsigned int dev_mtu; -+ unsigned int dev_mtu, header_len; - - /* get routing information */ - if (is_multicast_ether_addr(ethhdr->h_dest)) { -@@ -429,10 +433,12 @@ find_router: - switch (packet_type) { - case BATADV_UNICAST: - batadv_unicast_prepare_skb(skb, orig_node); -+ header_len = sizeof(struct batadv_unicast_packet); - break; - case BATADV_UNICAST_4ADDR: - batadv_unicast_4addr_prepare_skb(bat_priv, skb, orig_node, - packet_subtype); -+ header_len = sizeof(struct batadv_unicast_4addr_packet); - break; - default: - /* this function supports UNICAST and UNICAST_4ADDR only. It -@@ -441,6 +447,7 @@ find_router: - goto out; - } - -+ ethhdr = (struct ethhdr *)(skb->data + header_len); - unicast_packet = (struct batadv_unicast_packet *)skb->data; - - /* inform the destination node that we are still missing a correct route -diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c -index ace5e55..a65a1c0 100644 ---- a/net/bluetooth/hci_core.c -+++ b/net/bluetooth/hci_core.c -@@ -2211,16 +2211,16 @@ int hci_register_dev(struct hci_dev *hdev) - list_add(&hdev->list, &hci_dev_list); - write_unlock(&hci_dev_list_lock); - -- hdev->workqueue = alloc_workqueue(hdev->name, WQ_HIGHPRI | WQ_UNBOUND | -- WQ_MEM_RECLAIM, 1); -+ hdev->workqueue = alloc_workqueue("%s", WQ_HIGHPRI | WQ_UNBOUND | -+ WQ_MEM_RECLAIM, 1, hdev->name); - if (!hdev->workqueue) { - error = -ENOMEM; - goto err; - } - -- hdev->req_workqueue = alloc_workqueue(hdev->name, -+ hdev->req_workqueue = alloc_workqueue("%s", - WQ_HIGHPRI | WQ_UNBOUND | -- WQ_MEM_RECLAIM, 1); -+ WQ_MEM_RECLAIM, 1, hdev->name); - if (!hdev->req_workqueue) { - destroy_workqueue(hdev->workqueue); - error = -ENOMEM; -diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c -index 9bd7d95..6c4884f 100644 ---- a/net/bluetooth/hci_sock.c -+++ b/net/bluetooth/hci_sock.c -@@ -934,7 +934,7 @@ 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 68843a2..30e9342 100644 ---- a/net/bluetooth/l2cap_core.c -+++ b/net/bluetooth/l2cap_core.c -@@ -3507,8 +3507,10 @@ 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 36fed40..be2eeb2 100644 ---- a/net/bluetooth/l2cap_sock.c -+++ b/net/bluetooth/l2cap_sock.c -@@ -485,7 +485,8 @@ 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); -@@ -507,7 +508,7 @@ 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; -@@ -587,7 +588,8 @@ 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); -@@ -610,7 +612,7 @@ 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; -@@ -707,7 +709,7 @@ 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 30b3721..c1bd0a0 100644 ---- a/net/bluetooth/rfcomm/sock.c -+++ b/net/bluetooth/rfcomm/sock.c -@@ -666,7 +666,7 @@ 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); -@@ -688,7 +688,7 @@ 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 b6e44ad..5b0d514 100644 ---- a/net/bluetooth/rfcomm/tty.c -+++ b/net/bluetooth/rfcomm/tty.c -@@ -309,7 +309,7 @@ static void rfcomm_dev_del(struct rfcomm_dev *dev) - BUG_ON(test_and_set_bit(RFCOMM_TTY_RELEASED, &dev->flags)); - - spin_lock_irqsave(&dev->port.lock, flags); -- if (dev->port.count > 0) { -+ if (atomic_read(&dev->port.count) > 0) { - spin_unlock_irqrestore(&dev->port.lock, flags); - return; - } -@@ -659,10 +659,10 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp) - return -ENODEV; - - 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)); - - spin_lock_irqsave(&dev->port.lock, flags); -- if (++dev->port.count > 1) { -+ if (atomic_inc_return(&dev->port.count) > 1) { - spin_unlock_irqrestore(&dev->port.lock, flags); - return 0; - } -@@ -727,10 +727,10 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp) - return; - - BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc, -- dev->port.count); -+ atomic_read(&dev->port.count)); - - spin_lock_irqsave(&dev->port.lock, flags); -- if (!--dev->port.count) { -+ if (!atomic_dec_return(&dev->port.count)) { - spin_unlock_irqrestore(&dev->port.lock, flags); - if (dev->tty_dev->parent) - device_move(dev->tty_dev, NULL, DPM_ORDER_DEV_LAST); -diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c -index 3d110c4..4e1b2eb 100644 ---- a/net/bridge/netfilter/ebtables.c -+++ b/net/bridge/netfilter/ebtables.c -@@ -1525,7 +1525,7 @@ 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; -@@ -2331,7 +2331,7 @@ 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; - } -@@ -2342,7 +2342,7 @@ 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 2bd4b58..0dc30a1 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/can/af_can.c b/net/can/af_can.c -index c4e5085..aa9efdf 100644 ---- a/net/can/af_can.c -+++ b/net/can/af_can.c -@@ -862,7 +862,7 @@ 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/gw.c b/net/can/gw.c -index 3ee690e..00d581b 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; - -@@ -927,6 +926,10 @@ 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 */ -@@ -942,7 +945,6 @@ 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/compat.c b/net/compat.c -index f0a1ba6..0541331 100644 ---- a/net/compat.c -+++ b/net/compat.c -@@ -71,9 +71,9 @@ int get_compat_msghdr(struct msghdr *kmsg, struct compat_msghdr __user *umsg) - __get_user(kmsg->msg_controllen, &umsg->msg_controllen) || - __get_user(kmsg->msg_flags, &umsg->msg_flags)) - return -EFAULT; -- kmsg->msg_name = compat_ptr(tmp1); -- kmsg->msg_iov = compat_ptr(tmp2); -- kmsg->msg_control = compat_ptr(tmp3); -+ kmsg->msg_name = (void __force_kernel *)compat_ptr(tmp1); -+ kmsg->msg_iov = (void __force_kernel *)compat_ptr(tmp2); -+ kmsg->msg_control = (void __force_kernel *)compat_ptr(tmp3); - return 0; - } - -@@ -85,7 +85,7 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov, - - if (kern_msg->msg_namelen) { - if (mode == VERIFY_READ) { -- int err = move_addr_to_kernel(kern_msg->msg_name, -+ int err = move_addr_to_kernel((void __force_user *)kern_msg->msg_name, - kern_msg->msg_namelen, - kern_address); - if (err < 0) -@@ -96,7 +96,7 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov, - kern_msg->msg_name = NULL; - - tot_len = iov_from_user_compat_to_kern(kern_iov, -- (struct compat_iovec __user *)kern_msg->msg_iov, -+ (struct compat_iovec __force_user *)kern_msg->msg_iov, - kern_msg->msg_iovlen); - if (tot_len >= 0) - kern_msg->msg_iov = kern_iov; -@@ -116,20 +116,20 @@ int verify_compat_iovec(struct msghdr *kern_msg, struct iovec *kern_iov, - - #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; -@@ -219,7 +219,7 @@ 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]; -@@ -275,7 +275,7 @@ 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; -@@ -363,7 +363,7 @@ 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; -@@ -424,7 +424,7 @@ 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) { -@@ -567,7 +567,7 @@ 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; -@@ -588,7 +588,7 @@ 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; -@@ -609,7 +609,7 @@ 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; - -@@ -647,7 +647,7 @@ 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; -@@ -805,7 +805,7 @@ asmlinkage long compat_sys_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 b71423d..0360434 100644 ---- a/net/core/datagram.c -+++ b/net/core/datagram.c -@@ -295,7 +295,7 @@ 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; -diff --git a/net/core/dev.c b/net/core/dev.c -index 7ddbb31..3902452 100644 ---- a/net/core/dev.c -+++ b/net/core/dev.c -@@ -1649,7 +1649,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) - { - if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) { - if (skb_copy_ubufs(skb, GFP_ATOMIC)) { -- atomic_long_inc(&dev->rx_dropped); -+ atomic_long_inc_unchecked(&dev->rx_dropped); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -1658,7 +1658,7 @@ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) - skb_orphan(skb); - - if (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; - } -@@ -2404,7 +2404,7 @@ static int illegal_highdma(struct net_device *dev, struct sk_buff *skb) - - struct dev_gso_cb { - void (*destructor)(struct sk_buff *skb); --}; -+} __no_const; - - #define DEV_GSO_CB(skb) ((struct dev_gso_cb *)(skb)->cb) - -@@ -3139,7 +3139,7 @@ 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; - } -@@ -3211,7 +3211,7 @@ int netif_rx_ni(struct sk_buff *skb) - } - EXPORT_SYMBOL(netif_rx_ni); - --static void net_tx_action(struct softirq_action *h) -+static void net_tx_action(void) - { - struct softnet_data *sd = &__get_cpu_var(softnet_data); - -@@ -3545,7 +3545,7 @@ 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. :-) -@@ -4153,7 +4153,7 @@ void netif_napi_del(struct napi_struct *napi) - } - EXPORT_SYMBOL(netif_napi_del); - --static void net_rx_action(struct softirq_action *h) -+static void net_rx_action(void) - { - struct softnet_data *sd = &__get_cpu_var(softnet_data); - unsigned long time_limit = jiffies + 2; -@@ -5590,7 +5590,7 @@ 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->rx_dropped += atomic_long_read_unchecked(&dev->rx_dropped); - return storage; - } - EXPORT_SYMBOL(dev_get_stats); -diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c -index 5b7d0e1..cb960fc 100644 ---- a/net/core/dev_ioctl.c -+++ b/net/core/dev_ioctl.c -@@ -365,9 +365,13 @@ void dev_load(struct net *net, const char *name) - if (no_module && capable(CAP_NET_ADMIN)) - no_module = request_module("netdev-%s", name); - if (no_module && capable(CAP_SYS_MODULE)) { -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ ___request_module(true, "grsec_modharden_netdev", "%s", name); -+#else - if (!request_module("%s", name)) - pr_warn("Loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%s instead.\n", - name); -+#endif - } - } - EXPORT_SYMBOL(dev_load); -diff --git a/net/core/ethtool.c b/net/core/ethtool.c -index ce91766..3b71cdb 100644 ---- a/net/core/ethtool.c -+++ b/net/core/ethtool.c -@@ -1319,10 +1319,19 @@ static int ethtool_get_dump_data(struct net_device *dev, - if (ret) - return ret; - -- len = (tmp.len > dump.len) ? dump.len : tmp.len; -+ len = min(tmp.len, dump.len); - if (!len) - return -EFAULT; - -+ /* Don't ever let the driver think there's more space available -+ * than it requested with .get_dump_flag(). -+ */ -+ dump.len = len; -+ -+ /* Always allocate enough space to hold the whole thing so that the -+ * driver does not need to check the length and bother with partial -+ * dumping. -+ */ - data = vzalloc(tmp.len); - if (!data) - return -ENOMEM; -@@ -1330,6 +1339,16 @@ static int ethtool_get_dump_data(struct net_device *dev, - if (ret) - goto out; - -+ /* There are two sane possibilities: -+ * 1. The driver's .get_dump_data() does not touch dump.len. -+ * 2. Or it may set dump.len to how much it really writes, which -+ * should be tmp.len (or len if it can do a partial dump). -+ * In any case respond to userspace with the actual length of data -+ * it's receiving. -+ */ -+ WARN_ON(dump.len != len && dump.len != tmp.len); -+ dump.len = len; -+ - if (copy_to_user(useraddr, &dump, sizeof(dump))) { - ret = -EFAULT; - goto out; -diff --git a/net/core/flow.c b/net/core/flow.c -index 7102f16..146b4bd 100644 ---- a/net/core/flow.c -+++ b/net/core/flow.c -@@ -61,7 +61,7 @@ struct flow_cache { - struct timer_list rnd_timer; - }; - --atomic_t flow_cache_genid = ATOMIC_INIT(0); -+atomic_unchecked_t flow_cache_genid = ATOMIC_INIT(0); - EXPORT_SYMBOL(flow_cache_genid); - static struct flow_cache flow_cache_global; - static struct kmem_cache *flow_cachep __read_mostly; -@@ -86,7 +86,7 @@ static void flow_cache_new_hashrnd(unsigned long arg) - - static int flow_entry_valid(struct flow_cache_entry *fle) - { -- if (atomic_read(&flow_cache_genid) != fle->genid) -+ if (atomic_read_unchecked(&flow_cache_genid) != fle->genid) - return 0; - if (fle->object && !fle->object->ops->check(fle->object)) - return 0; -@@ -258,7 +258,7 @@ 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(&flow_cache_genid))) { -+ } else if (likely(fle->genid == atomic_read_unchecked(&flow_cache_genid))) { - flo = fle->object; - if (!flo) - goto ret_object; -@@ -279,7 +279,7 @@ nocache: - } - flo = resolver(net, key, family, dir, flo, ctx); - if (fle) { -- fle->genid = atomic_read(&flow_cache_genid); -+ fle->genid = atomic_read_unchecked(&flow_cache_genid); - if (!IS_ERR(flo)) - fle->object = flo; - else -diff --git a/net/core/iovec.c b/net/core/iovec.c -index de178e4..1dabd8b 100644 ---- a/net/core/iovec.c -+++ b/net/core/iovec.c -@@ -42,7 +42,7 @@ int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *a - if (m->msg_namelen) { - if (mode == VERIFY_READ) { - void __user *namep; -- namep = (void __user __force *) m->msg_name; -+ namep = (void __force_user *) m->msg_name; - err = move_addr_to_kernel(namep, m->msg_namelen, - address); - if (err < 0) -@@ -54,7 +54,7 @@ int verify_iovec(struct msghdr *m, struct iovec *iov, struct sockaddr_storage *a - } - - size = m->msg_iovlen * sizeof(struct iovec); -- if (copy_from_user(iov, (void __user __force *) m->msg_iov, size)) -+ if (copy_from_user(iov, (void __force_user *) m->msg_iov, size)) - return -EFAULT; - - m->msg_iov = iov; -diff --git a/net/core/neighbour.c b/net/core/neighbour.c -index ce90b02..8752627 100644 ---- a/net/core/neighbour.c -+++ b/net/core/neighbour.c -@@ -2771,7 +2771,7 @@ static int proc_unres_qlen(ctl_table *ctl, int write, void __user *buffer, - size_t *lenp, loff_t *ppos) - { - int size, ret; -- ctl_table tmp = *ctl; -+ ctl_table_no_const tmp = *ctl; - - tmp.extra1 = &zero; - tmp.extra2 = &unres_qlen_max; -diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c -index 569d355..79cf2d0 100644 ---- a/net/core/net-procfs.c -+++ b/net/core/net-procfs.c -@@ -271,8 +271,13 @@ 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 981fed3..536af34 100644 ---- a/net/core/net-sysfs.c -+++ b/net/core/net-sysfs.c -@@ -1311,7 +1311,7 @@ void netdev_class_remove_file(struct class_attribute *class_attr) - } - EXPORT_SYMBOL(netdev_class_remove_file); - --int netdev_kobject_init(void) -+int __init netdev_kobject_init(void) - { - kobj_ns_type_register(&net_ns_type_operations); - return class_register(&net_class); -diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c -index f9765203..9feaef8 100644 ---- a/net/core/net_namespace.c -+++ b/net/core/net_namespace.c -@@ -443,7 +443,7 @@ 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); -@@ -456,7 +456,7 @@ 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; -@@ -467,7 +467,7 @@ 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); -@@ -601,7 +601,7 @@ 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/rtnetlink.c b/net/core/rtnetlink.c -index a08bd2b..c59bd7c 100644 ---- a/net/core/rtnetlink.c -+++ b/net/core/rtnetlink.c -@@ -58,7 +58,7 @@ struct rtnl_link { - rtnl_doit_func doit; - rtnl_dumpit_func dumpit; - rtnl_calcit_func calcit; --}; -+} __no_const; - - static DEFINE_MUTEX(rtnl_mutex); - -@@ -299,10 +299,13 @@ int __rtnl_link_register(struct rtnl_link_ops *ops) - if (rtnl_link_ops_get(ops->kind)) - return -EEXIST; - -- if (!ops->dellink) -- ops->dellink = unregister_netdevice_queue; -+ if (!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); -@@ -349,7 +352,7 @@ 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); - -@@ -2374,7 +2377,7 @@ static int rtnl_bridge_getlink(struct sk_buff *skb, struct netlink_callback *cb) - struct nlattr *extfilt; - u32 filter_mask = 0; - -- extfilt = nlmsg_find_attr(cb->nlh, sizeof(struct rtgenmsg), -+ extfilt = nlmsg_find_attr(cb->nlh, sizeof(struct ifinfomsg), - IFLA_EXT_MASK); - if (extfilt) - filter_mask = nla_get_u32(extfilt); -diff --git a/net/core/scm.c b/net/core/scm.c -index 03795d0..98d6bdb 100644 ---- a/net/core/scm.c -+++ b/net/core/scm.c -@@ -54,7 +54,7 @@ static __inline__ int scm_check_creds(struct ucred *creds) - return -EINVAL; - - if ((creds->pid == task_tgid_vnr(current) || -- ns_capable(current->nsproxy->pid_ns->user_ns, CAP_SYS_ADMIN)) && -+ ns_capable(task_active_pid_ns(current)->user_ns, CAP_SYS_ADMIN)) && - ((uid_eq(uid, cred->uid) || uid_eq(uid, cred->euid) || - uid_eq(uid, cred->suid)) || nsown_capable(CAP_SETUID)) && - ((gid_eq(gid, cred->gid) || gid_eq(gid, cred->egid) || -@@ -210,7 +210,7 @@ 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; -@@ -233,7 +233,7 @@ 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) -@@ -249,7 +249,7 @@ 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; -@@ -269,7 +269,7 @@ 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 1c1738c..4cab7f0 100644 ---- a/net/core/skbuff.c -+++ b/net/core/skbuff.c -@@ -3087,13 +3087,15 @@ 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", - (2*sizeof(struct sk_buff)) + - sizeof(atomic_t), - 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 d6d024c..6ea7ab4 100644 ---- a/net/core/sock.c -+++ b/net/core/sock.c -@@ -390,7 +390,7 @@ 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; - } -@@ -400,7 +400,7 @@ 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; - } - -@@ -420,7 +420,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) - skb_dst_force(skb); - - spin_lock_irqsave(&list->lock, flags); -- skb->dropcount = atomic_read(&sk->sk_drops); -+ skb->dropcount = atomic_read_unchecked(&sk->sk_drops); - __skb_queue_tail(list, skb); - spin_unlock_irqrestore(&list->lock, flags); - -@@ -440,7 +440,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested) - skb->dev = NULL; - - if (sk_rcvqueues_full(sk, skb, sk->sk_rcvbuf)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - goto discard_and_relse; - } - if (nested) -@@ -458,7 +458,7 @@ 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; - } - -@@ -933,12 +933,12 @@ 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)); -@@ -1090,11 +1090,11 @@ 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; -@@ -1161,7 +1161,7 @@ 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)) -@@ -2277,7 +2277,7 @@ 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); - -diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c -index a0e9cf6..ef7f9ed 100644 ---- a/net/core/sock_diag.c -+++ b/net/core/sock_diag.c -@@ -9,26 +9,33 @@ - #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); - - int sock_diag_check_cookie(void *sk, __u32 *cookie) - { -+#ifndef CONFIG_GRKERNSEC_HIDESYM - if ((cookie[0] != INET_DIAG_NOCOOKIE || - cookie[1] != INET_DIAG_NOCOOKIE) && - ((u32)(unsigned long)sk != cookie[0] || - (u32)((((unsigned long)sk) >> 31) >> 1) != cookie[1])) - return -ESTALE; - else -+#endif - return 0; - } - EXPORT_SYMBOL_GPL(sock_diag_check_cookie); - - void sock_diag_save_cookie(void *sk, __u32 *cookie) - { -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ cookie[0] = 0; -+ cookie[1] = 0; -+#else - cookie[0] = (u32)(unsigned long)sk; - cookie[1] = (u32)(((unsigned long)sk >> 31) >> 1); -+#endif - } - EXPORT_SYMBOL_GPL(sock_diag_save_cookie); - -@@ -113,8 +120,11 @@ 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; -@@ -130,7 +140,9 @@ 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 cfdb46a..cef55e1 100644 ---- a/net/core/sysctl_net_core.c -+++ b/net/core/sysctl_net_core.c -@@ -28,7 +28,7 @@ static int rps_sock_flow_sysctl(ctl_table *table, int write, - { - unsigned int orig_size, size; - int ret, i; -- ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &size, - .maxlen = sizeof(size), - .mode = table->mode -@@ -211,13 +211,12 @@ 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; - -@@ -227,17 +226,16 @@ 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; - } -@@ -252,7 +250,7 @@ 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 c21f200..bc4565b 100644 ---- a/net/decnet/af_decnet.c -+++ b/net/decnet/af_decnet.c -@@ -465,6 +465,7 @@ 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/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c -index a55eecc..dd8428c 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(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(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/ieee802154/6lowpan.c b/net/ieee802154/6lowpan.c -index 55e1fd5..fd602b8 100644 ---- a/net/ieee802154/6lowpan.c -+++ b/net/ieee802154/6lowpan.c -@@ -459,7 +459,7 @@ static int lowpan_header_create(struct sk_buff *skb, - hc06_ptr += 3; - } else { - /* compress nothing */ -- memcpy(hc06_ptr, &hdr, 4); -+ memcpy(hc06_ptr, hdr, 4); - /* replace the top byte with new ECN | DSCP format */ - *hc06_ptr = tmp; - hc06_ptr += 4; -diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c -index d01be2a..8976537 100644 ---- a/net/ipv4/af_inet.c -+++ b/net/ipv4/af_inet.c -@@ -1703,13 +1703,9 @@ static int __init inet_init(void) - - BUILD_BUG_ON(sizeof(struct inet_skb_parm) > FIELD_SIZEOF(struct sk_buff, cb)); - -- sysctl_local_reserved_ports = kzalloc(65536 / 8, GFP_KERNEL); -- if (!sysctl_local_reserved_ports) -- goto out; -- - rc = proto_register(&tcp_prot, 1); - if (rc) -- goto out_free_reserved_ports; -+ goto out; - - rc = proto_register(&udp_prot, 1); - if (rc) -@@ -1818,8 +1814,6 @@ out_unregister_udp_proto: - proto_unregister(&udp_prot); - out_unregister_tcp_proto: - proto_unregister(&tcp_prot); --out_free_reserved_ports: -- kfree(sysctl_local_reserved_ports); - goto out; - } - -diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c -index 2e7f194..0fa4d6d 100644 ---- a/net/ipv4/ah4.c -+++ b/net/ipv4/ah4.c -@@ -420,7 +420,7 @@ static void ah4_err(struct sk_buff *skb, u32 info) - return; - - if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) { -- atomic_inc(&flow_cache_genid); -+ atomic_inc_unchecked(&flow_cache_genid); - rt_genid_bump(net); - - ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_AH, 0); -diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c -index dfc39d4..0d4fa52 100644 ---- a/net/ipv4/devinet.c -+++ b/net/ipv4/devinet.c -@@ -771,7 +771,7 @@ static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh, - ci = nla_data(tb[IFA_CACHEINFO]); - if (!ci->ifa_valid || ci->ifa_prefered > ci->ifa_valid) { - err = -EINVAL; -- goto errout; -+ goto errout_free; - } - *pvalid_lft = ci->ifa_valid; - *pprefered_lft = ci->ifa_prefered; -@@ -779,6 +779,8 @@ static struct in_ifaddr *rtm_to_ifaddr(struct net *net, struct nlmsghdr *nlh, - - return ifa; - -+errout_free: -+ inet_free_ifa(ifa); - errout: - return ERR_PTR(err); - } -@@ -1529,7 +1531,7 @@ 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) -@@ -1840,7 +1842,7 @@ 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) -@@ -2065,7 +2067,7 @@ static int ipv4_doint_and_flush(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 = { -@@ -2183,7 +2185,7 @@ 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 - -@@ -2201,7 +2203,7 @@ 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 == NULL) - goto err_alloc_ctl; - -@@ -2221,7 +2223,10 @@ 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 == NULL) - goto err_reg_ctl; - net->ipv4.forw_hdr = forw_hdr; -@@ -2237,8 +2242,7 @@ 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/esp4.c b/net/ipv4/esp4.c -index 4cfe34d..d2fac8a 100644 ---- a/net/ipv4/esp4.c -+++ b/net/ipv4/esp4.c -@@ -477,7 +477,7 @@ static u32 esp4_get_mtu(struct xfrm_state *x, int mtu) - } - - return ((mtu - x->props.header_len - crypto_aead_authsize(esp->aead) - -- net_adj) & ~(align - 1)) + (net_adj - 2); -+ net_adj) & ~(align - 1)) + net_adj - 2; - } - - static void esp4_err(struct sk_buff *skb, u32 info) -@@ -503,7 +503,7 @@ static void esp4_err(struct sk_buff *skb, u32 info) - return; - - if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) { -- atomic_inc(&flow_cache_genid); -+ atomic_inc_unchecked(&flow_cache_genid); - rt_genid_bump(net); - - ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_ESP, 0); -diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c -index c7629a2..b62d139 100644 ---- a/net/ipv4/fib_frontend.c -+++ b/net/ipv4/fib_frontend.c -@@ -1017,12 +1017,12 @@ 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 == NULL) { - /* Last address was deleted from this interface. - * Disable IP. -@@ -1058,7 +1058,7 @@ 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 8f6cb7a..34507f9 100644 ---- a/net/ipv4/fib_semantics.c -+++ b/net/ipv4/fib_semantics.c -@@ -765,7 +765,7 @@ __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 49616fe..6e8a13d 100644 ---- a/net/ipv4/fib_trie.c -+++ b/net/ipv4/fib_trie.c -@@ -71,7 +71,6 @@ - #include <linux/init.h> - #include <linux/list.h> - #include <linux/slab.h> --#include <linux/prefetch.h> - #include <linux/export.h> - #include <net/net_namespace.h> - #include <net/ip.h> -@@ -1761,10 +1760,8 @@ static struct leaf *leaf_walk_rcu(struct tnode *p, struct rt_trie_node *c) - if (!c) - continue; - -- if (IS_LEAF(c)) { -- prefetch(rcu_dereference_rtnl(p->child[idx])); -+ if (IS_LEAF(c)) - return (struct leaf *) c; -- } - - /* Rescan start scanning in new node */ - p = (struct tnode *) c; -diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c -index 6acb541..9ea617d 100644 ---- a/net/ipv4/inet_connection_sock.c -+++ b/net/ipv4/inet_connection_sock.c -@@ -37,7 +37,7 @@ struct local_ports sysctl_local_ports __read_mostly = { - .range = { 32768, 61000 }, - }; - --unsigned long *sysctl_local_reserved_ports; -+unsigned long sysctl_local_reserved_ports[65536 / 8 / sizeof(unsigned long)]; - EXPORT_SYMBOL(sysctl_local_reserved_ports); - - void inet_get_local_port_range(int *low, int *high) -diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c -index 6af375a..c493c74 100644 ---- a/net/ipv4/inet_hashtables.c -+++ b/net/ipv4/inet_hashtables.c -@@ -18,12 +18,15 @@ - #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> - #include <net/secure_seq.h> - #include <net/ip.h> - -+extern void gr_update_task_in_ip_table(struct task_struct *task, 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. -@@ -554,6 +557,8 @@ ok: - twrefcnt += inet_twsk_bind_unhash(tw, hinfo); - spin_unlock(&head->lock); - -+ gr_update_task_in_ip_table(current, inet_sk(sk)); -+ - if (tw) { - inet_twsk_deschedule(tw, death_row); - while (twrefcnt) { -diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c -index 000e3d2..5472da3 100644 ---- a/net/ipv4/inetpeer.c -+++ b/net/ipv4/inetpeer.c -@@ -503,8 +503,8 @@ relookup: - if (p) { - p->daddr = *daddr; - atomic_set(&p->refcnt, 1); -- atomic_set(&p->rid, 0); -- atomic_set(&p->ip_id_count, -+ atomic_set_unchecked(&p->rid, 0); -+ atomic_set_unchecked(&p->ip_id_count, - (daddr->family == AF_INET) ? - secure_ip_id(daddr->addr.a4) : - secure_ipv6_id(daddr->addr.a6)); -diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c -index b66910a..cfe416e 100644 ---- a/net/ipv4/ip_fragment.c -+++ b/net/ipv4/ip_fragment.c -@@ -282,7 +282,7 @@ static inline 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; -@@ -759,12 +759,11 @@ 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 == NULL) - goto err_alloc; - -@@ -775,9 +774,10 @@ 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 == NULL) - goto err_reg; - -@@ -785,8 +785,7 @@ 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 855004f..9644112 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; -@@ -572,7 +572,7 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev, - if (daddr) - memcpy(&iph->daddr, daddr, 4); - if (iph->daddr) -- return t->hlen; -+ return t->hlen + sizeof(*iph); - - return -(t->hlen + sizeof(*iph)); - } -@@ -919,7 +919,7 @@ static const struct nla_policy ipgre_policy[IFLA_GRE_MAX + 1] = { - [IFLA_GRE_PMTUDISC] = { .type = NLA_U8 }, - }; - --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, -@@ -933,7 +933,7 @@ static struct rtnl_link_ops ipgre_link_ops __read_mostly = { - .fill_info = ipgre_fill_info, - }; - --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_sockglue.c b/net/ipv4/ip_sockglue.c -index d9c4f11..02b82dbc 100644 ---- a/net/ipv4/ip_sockglue.c -+++ b/net/ipv4/ip_sockglue.c -@@ -1152,7 +1152,8 @@ 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; - } -@@ -1283,7 +1284,7 @@ static int do_ip_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/ipv4/ip_vti.c b/net/ipv4/ip_vti.c -index 17cc0ff..63856c4 100644 ---- a/net/ipv4/ip_vti.c -+++ b/net/ipv4/ip_vti.c -@@ -47,7 +47,7 @@ - #define HASH_SIZE 16 - #define HASH(addr) (((__force u32)addr^((__force u32)addr>>4))&(HASH_SIZE-1)) - --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; - struct vti_net { -@@ -840,7 +840,7 @@ 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/ipcomp.c b/net/ipv4/ipcomp.c -index 59cb8c7..a72160c 100644 ---- a/net/ipv4/ipcomp.c -+++ b/net/ipv4/ipcomp.c -@@ -48,7 +48,7 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info) - return; - - if (icmp_hdr(skb)->type == ICMP_DEST_UNREACH) { -- atomic_inc(&flow_cache_genid); -+ atomic_inc_unchecked(&flow_cache_genid); - rt_genid_bump(net); - - ipv4_update_pmtu(skb, net, info, 0, 0, IPPROTO_COMP, 0); -diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c -index efa1138..20dbba0 100644 ---- a/net/ipv4/ipconfig.c -+++ b/net/ipv4/ipconfig.c -@@ -334,7 +334,7 @@ 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; - } -@@ -345,7 +345,7 @@ 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; - } -@@ -356,7 +356,7 @@ 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 7cfc456..e726868 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) - { -@@ -406,7 +406,7 @@ static const struct nla_policy ipip_policy[IFLA_IPTUN_MAX + 1] = { - [IFLA_IPTUN_PMTUDISC] = { .type = NLA_U8 }, - }; - --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 85a4f21..1beb1f5 100644 ---- a/net/ipv4/netfilter/arp_tables.c -+++ b/net/ipv4/netfilter/arp_tables.c -@@ -880,14 +880,14 @@ 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; - } -@@ -924,7 +924,7 @@ 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; -@@ -1683,7 +1683,7 @@ 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); -@@ -1728,7 +1728,7 @@ 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 d23118d..6ad7277 100644 ---- a/net/ipv4/netfilter/ip_tables.c -+++ b/net/ipv4/netfilter/ip_tables.c -@@ -1068,14 +1068,14 @@ 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; - } -@@ -1112,7 +1112,7 @@ 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; -@@ -1966,7 +1966,7 @@ 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); -@@ -2013,7 +2013,7 @@ 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/ping.c b/net/ipv4/ping.c -index 7d93d62..cbbf2a3 100644 ---- a/net/ipv4/ping.c -+++ b/net/ipv4/ping.c -@@ -843,7 +843,7 @@ static void ping_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), len); -+ atomic_read_unchecked(&sp->sk_drops), len); - } - - static int ping_seq_show(struct seq_file *seq, void *v) -diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c -index dd44e0a..06dcca4 100644 ---- a/net/ipv4/raw.c -+++ b/net/ipv4/raw.c -@@ -309,7 +309,7 @@ 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; - } -@@ -745,16 +745,20 @@ 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; -@@ -764,8 +768,8 @@ 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; -@@ -994,7 +998,7 @@ 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 d35bbf0..faa3ab8 100644 ---- a/net/ipv4/route.c -+++ b/net/ipv4/route.c -@@ -2558,34 +2558,34 @@ 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 == NULL) - 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 == NULL) - goto err_reg; - return 0; - - err_reg: -- if (tbl != ipv4_route_flush_table) -- kfree(tbl); -+ kfree(tbl); - err_dup: - return -ENOMEM; - } -@@ -2608,7 +2608,7 @@ static __net_initdata struct pernet_operations sysctl_route_ops = { - - static __net_init int rt_genid_init(struct net *net) - { -- atomic_set(&net->rt_genid, 0); -+ atomic_set_unchecked(&net->rt_genid, 0); - get_random_bytes(&net->ipv4.dev_addr_genid, - sizeof(net->ipv4.dev_addr_genid)); - return 0; -diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c -index 3f25e75..3ae0f4d 100644 ---- a/net/ipv4/sysctl_net_ipv4.c -+++ b/net/ipv4/sysctl_net_ipv4.c -@@ -57,7 +57,7 @@ static int ipv4_local_port_range(ctl_table *table, int write, - { - int ret; - int range[2]; -- ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &range, - .maxlen = sizeof(range), - .mode = table->mode, -@@ -110,7 +110,7 @@ static int ipv4_ping_group_range(ctl_table *table, int write, - int ret; - gid_t urange[2]; - kgid_t low, high; -- ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &urange, - .maxlen = sizeof(urange), - .mode = table->mode, -@@ -141,7 +141,7 @@ static int proc_tcp_congestion_control(ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - char val[TCP_CA_NAME_MAX]; -- ctl_table tbl = { -+ ctl_table_no_const tbl = { - .data = val, - .maxlen = TCP_CA_NAME_MAX, - }; -@@ -160,7 +160,7 @@ static int proc_tcp_available_congestion_control(ctl_table *ctl, - void __user *buffer, size_t *lenp, - loff_t *ppos) - { -- 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); -@@ -177,7 +177,7 @@ static int proc_allowed_congestion_control(ctl_table *ctl, - void __user *buffer, size_t *lenp, - loff_t *ppos) - { -- 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); -@@ -203,15 +203,17 @@ static int ipv4_tcp_mem(ctl_table *ctl, int write, - struct mem_cgroup *memcg; - #endif - -- ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &vec, - .maxlen = sizeof(vec), - .mode = ctl->mode, - }; - - if (!write) { -- ctl->data = &net->ipv4.sysctl_tcp_mem; -- return proc_doulongvec_minmax(ctl, write, buffer, lenp, ppos); -+ ctl_table_no_const tcp_mem = *ctl; -+ -+ tcp_mem.data = &net->ipv4.sysctl_tcp_mem; -+ return proc_doulongvec_minmax(&tcp_mem, write, buffer, lenp, ppos); - } - - ret = proc_doulongvec_minmax(&tmp, write, buffer, lenp, ppos); -@@ -238,7 +240,7 @@ static int ipv4_tcp_mem(ctl_table *ctl, int write, - static int proc_tcp_fastopen_key(ctl_table *ctl, int write, void __user *buffer, - size_t *lenp, loff_t *ppos) - { -- 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 */ -@@ -481,7 +483,7 @@ static struct ctl_table ipv4_table[] = { - }, - { - .procname = "ip_local_reserved_ports", -- .data = NULL, /* initialized in sysctl_ipv4_init */ -+ .data = sysctl_local_reserved_ports, - .maxlen = 65536, - .mode = 0644, - .proc_handler = proc_do_large_bitmap, -@@ -846,11 +848,10 @@ 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)) { -- table = kmemdup(table, sizeof(ipv4_net_table), GFP_KERNEL); -+ table = kmemdup(ipv4_net_table, sizeof(ipv4_net_table), GFP_KERNEL); - if (table == NULL) - goto err_alloc; - -@@ -885,15 +886,17 @@ static __net_init int ipv4_sysctl_init_net(struct net *net) - - tcp_init_mem(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 == NULL) - goto err_reg; - - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -@@ -915,16 +918,6 @@ static __net_initdata struct pernet_operations ipv4_sysctl_ops = { - static __init int sysctl_ipv4_init(void) - { - struct ctl_table_header *hdr; -- struct ctl_table *i; -- -- for (i = ipv4_table; i->procname; i++) { -- if (strcmp(i->procname, "ip_local_reserved_ports") == 0) { -- i->data = sysctl_local_reserved_ports; -- break; -- } -- } -- if (!i->procname) -- return -EINVAL; - - hdr = register_net_sysctl(&init_net, "net/ipv4", ipv4_table); - if (hdr == NULL) -diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c -index 9c62257..651cc27 100644 ---- a/net/ipv4/tcp_input.c -+++ b/net/ipv4/tcp_input.c -@@ -4436,7 +4436,7 @@ 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) - { -@@ -5522,6 +5522,7 @@ 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. -@@ -5572,6 +5573,7 @@ discard: - goto discard; - #endif - } -+#endif - /* "fifth, if neither of the SYN or RST bits is set then - * drop the segment and return." - */ -@@ -5616,7 +5618,7 @@ 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 7999fc5..c812f42 100644 ---- a/net/ipv4/tcp_ipv4.c -+++ b/net/ipv4/tcp_ipv4.c -@@ -90,6 +90,10 @@ 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); -@@ -1855,6 +1859,9 @@ 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); -@@ -2000,12 +2007,19 @@ 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); -@@ -2058,6 +2072,10 @@ 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 0f01788..d52a859 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); - -@@ -717,7 +721,10 @@ 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 d4943f6..e7a74a5 100644 ---- a/net/ipv4/tcp_probe.c -+++ b/net/ipv4/tcp_probe.c -@@ -204,7 +204,7 @@ 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 4b85e6f..22f9ac9 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; -@@ -185,6 +189,13 @@ 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 93b731d..5a2dd92 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> -@@ -111,6 +112,10 @@ - #include <trace/events/skb.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); - -@@ -594,6 +599,9 @@ found: - return s; - } - -+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 -@@ -890,9 +898,18 @@ int udp_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, - 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. -@@ -1136,7 +1153,7 @@ 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); - } -@@ -1222,6 +1239,10 @@ 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) -@@ -1255,7 +1276,7 @@ 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); - } -@@ -1542,7 +1563,7 @@ 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; - } -@@ -1561,7 +1582,7 @@ 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, -@@ -1730,6 +1751,9 @@ 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); - - /* -@@ -2160,7 +2184,7 @@ 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), len); -+ atomic_read_unchecked(&sp->sk_drops), len); - } - - 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 9a459be..086b866 100644 ---- a/net/ipv4/xfrm4_policy.c -+++ b/net/ipv4/xfrm4_policy.c -@@ -264,19 +264,18 @@ 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; - -@@ -284,8 +283,7 @@ 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 fb8c94c..80a31d8 100644 ---- a/net/ipv6/addrconf.c -+++ b/net/ipv6/addrconf.c -@@ -621,7 +621,7 @@ 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) -@@ -1124,12 +1124,10 @@ retry: - if (ifp->flags & IFA_F_OPTIMISTIC) - addr_flags |= IFA_F_OPTIMISTIC; - -- ift = !max_addresses || -- ipv6_count_addresses(idev) < max_addresses ? -- ipv6_add_addr(idev, &addr, tmp_plen, -- ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK, -- addr_flags) : NULL; -- if (IS_ERR_OR_NULL(ift)) { -+ ift = ipv6_add_addr(idev, &addr, tmp_plen, -+ ipv6_addr_type(&addr)&IPV6_ADDR_SCOPE_MASK, -+ addr_flags); -+ if (IS_ERR(ift)) { - in6_ifa_put(ifp); - in6_dev_put(idev); - pr_info("%s: retry temporary address regeneration\n", __func__); -@@ -2380,7 +2378,7 @@ 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(); -@@ -4002,7 +4000,7 @@ 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]; -@@ -4587,7 +4585,7 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) - dst_free(&ifp->rt->dst); - 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) -@@ -4607,7 +4605,7 @@ int addrconf_sysctl_forward(ctl_table *ctl, int write, - int *valp = ctl->data; - int val = *valp; - loff_t pos = *ppos; -- ctl_table lctl; -+ ctl_table_no_const lctl; - int ret; - - /* -@@ -4689,7 +4687,7 @@ int addrconf_sysctl_disable(ctl_table *ctl, int write, - int *valp = ctl->data; - int val = *valp; - loff_t pos = *ppos; -- ctl_table lctl; -+ ctl_table_no_const lctl; - int ret; - - /* -diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c -index 40ffd72..aeac0dc 100644 ---- a/net/ipv6/esp6.c -+++ b/net/ipv6/esp6.c -@@ -425,7 +425,7 @@ static u32 esp6_get_mtu(struct xfrm_state *x, int mtu) - net_adj = 0; - - return ((mtu - x->props.header_len - crypto_aead_authsize(esp->aead) - -- net_adj) & ~(align - 1)) + (net_adj - 2); -+ net_adj) & ~(align - 1)) + net_adj - 2; - } - - static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, -diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c -index b4ff0a4..db9b764 100644 ---- a/net/ipv6/icmp.c -+++ b/net/ipv6/icmp.c -@@ -980,7 +980,7 @@ 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_gre.c b/net/ipv6/ip6_gre.c -index ecd6073..58162ae 100644 ---- a/net/ipv6/ip6_gre.c -+++ b/net/ipv6/ip6_gre.c -@@ -74,7 +74,7 @@ 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_link_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); -@@ -1283,7 +1283,7 @@ 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, -@@ -1617,7 +1617,7 @@ 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, -@@ -1630,7 +1630,7 @@ static struct rtnl_link_ops ip6gre_link_ops __read_mostly = { - .fill_info = ip6gre_fill_info, - }; - --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 1e55866..b398dab 100644 ---- a/net/ipv6/ip6_tunnel.c -+++ b/net/ipv6/ip6_tunnel.c -@@ -88,7 +88,7 @@ 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 { -@@ -1672,7 +1672,7 @@ 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/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c -index d1e2e8e..51c19ae 100644 ---- a/net/ipv6/ipv6_sockglue.c -+++ b/net/ipv6/ipv6_sockglue.c -@@ -991,7 +991,7 @@ 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/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c -index 44400c2..8e11f52 100644 ---- a/net/ipv6/netfilter/ip6_tables.c -+++ b/net/ipv6/netfilter/ip6_tables.c -@@ -1078,14 +1078,14 @@ 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; - } -@@ -1122,7 +1122,7 @@ 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; -@@ -1976,7 +1976,7 @@ 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); -@@ -2023,7 +2023,7 @@ 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 dffdc1a..ccc6678 100644 ---- a/net/ipv6/netfilter/nf_conntrack_reasm.c -+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c -@@ -90,12 +90,11 @@ 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; -@@ -103,9 +102,9 @@ static int nf_ct_frag6_sysctl_register(struct net *net) - table[0].data = &net->nf_frag.frags.timeout; - table[1].data = &net->nf_frag.frags.low_thresh; - table[2].data = &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; - -@@ -113,8 +112,7 @@ 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; - } -diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c -index eedff8c..7d7e24a 100644 ---- a/net/ipv6/raw.c -+++ b/net/ipv6/raw.c -@@ -108,7 +108,7 @@ found: - */ - static int icmpv6_filter(const struct sock *sk, const struct sk_buff *skb) - { -- struct icmp6hdr *_hdr; -+ struct icmp6hdr _hdr; - const struct icmp6hdr *hdr; - - hdr = skb_header_pointer(skb, skb_transport_offset(skb), -@@ -378,7 +378,7 @@ 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; - } -@@ -406,7 +406,7 @@ 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; - } -@@ -430,7 +430,7 @@ 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; - } -@@ -602,7 +602,7 @@ out: - return err; - } - --static int rawv6_send_hdrinc(struct sock *sk, void *from, int length, -+static int rawv6_send_hdrinc(struct sock *sk, void *from, unsigned int length, - struct flowi6 *fl6, struct dst_entry **dstp, - unsigned int flags) - { -@@ -914,12 +914,15 @@ 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; -@@ -932,6 +935,7 @@ 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: -@@ -943,7 +947,8 @@ 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: -@@ -1251,7 +1256,7 @@ static void raw6_sock_seq_show(struct seq_file *seq, struct sock *sp, int i) - 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 raw6_seq_show(struct seq_file *seq, void *v) -diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c -index 790d9f4..68ae078 100644 ---- a/net/ipv6/reassembly.c -+++ b/net/ipv6/reassembly.c -@@ -621,12 +621,11 @@ 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 == NULL) - goto err_alloc; - -@@ -637,9 +636,10 @@ 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 == NULL) - goto err_reg; - -@@ -647,8 +647,7 @@ 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 bacce6c..9d1741a 100644 ---- a/net/ipv6/route.c -+++ b/net/ipv6/route.c -@@ -2903,7 +2903,7 @@ 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 60df36d..f3ab7c8 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 { -@@ -1453,7 +1453,7 @@ static const struct nla_policy ipip6_policy[IFLA_IPTUN_MAX + 1] = { - #endif - }; - --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 e85c48b..b8268d3 100644 ---- a/net/ipv6/sysctl_net_ipv6.c -+++ b/net/ipv6/sysctl_net_ipv6.c -@@ -40,7 +40,7 @@ static 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 0a17ed9..2526cc3 100644 ---- a/net/ipv6/tcp_ipv6.c -+++ b/net/ipv6/tcp_ipv6.c -@@ -103,6 +103,10 @@ static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb) - inet6_sk(sk)->rx_dst_cookie = rt->rt6i_node->fn_sernum; - } - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - static void tcp_v6_hash(struct sock *sk) - { - if (sk->sk_state != TCP_CLOSE) { -@@ -1398,6 +1402,9 @@ 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) -@@ -1480,12 +1487,20 @@ static int tcp_v6_rcv(struct sk_buff *skb) - TCP_SKB_CB(skb)->sacked = 0; - - sk = __inet6_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 (hdr->hop_limit < inet6_sk(sk)->min_hopcount) { - NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP); -@@ -1536,6 +1551,10 @@ 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 e7b28f9..d09c290 100644 ---- a/net/ipv6/udp.c -+++ b/net/ipv6/udp.c -@@ -52,6 +52,10 @@ - #include <trace/events/skb.h> - #include "udp_impl.h" - -+#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 *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr; -@@ -419,7 +423,7 @@ 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, -@@ -665,7 +669,7 @@ 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; - } -@@ -723,7 +727,7 @@ static void flush_stack(struct sock **stack, unsigned int count, - if (likely(skb1 == NULL)) - 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, -@@ -860,6 +864,9 @@ 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); -@@ -1392,7 +1399,7 @@ static void udp6_sock_seq_show(struct seq_file *seq, struct sock *sp, int bucket - 0, - sock_i_ino(sp), - atomic_read(&sp->sk_refcnt), sp, -- atomic_read(&sp->sk_drops)); -+ atomic_read_unchecked(&sp->sk_drops)); - } - - int udp6_seq_show(struct seq_file *seq, void *v) -diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c -index 23ed03d..465a71d 100644 ---- a/net/ipv6/xfrm6_policy.c -+++ b/net/ipv6/xfrm6_policy.c -@@ -324,19 +324,19 @@ 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; - -@@ -344,8 +344,7 @@ 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/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c -index 41ac7938..75e3bb1 100644 ---- a/net/irda/ircomm/ircomm_tty.c -+++ b/net/irda/ircomm/ircomm_tty.c -@@ -319,11 +319,11 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, - add_wait_queue(&port->open_wait, &wait); - - IRDA_DEBUG(2, "%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); - if (!tty_hung_up_p(filp)) -- port->count--; -+ atomic_dec(&port->count); - port->blocked_open++; - spin_unlock_irqrestore(&port->lock, flags); - -@@ -358,7 +358,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, - } - - IRDA_DEBUG(1, "%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(); - } -@@ -368,12 +368,12 @@ 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); - - IRDA_DEBUG(1, "%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; -@@ -447,12 +447,12 @@ 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); - - IRDA_DEBUG(1, "%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; -@@ -989,7 +989,7 @@ 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); -@@ -1346,7 +1346,7 @@ 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/iucv/af_iucv.c b/net/iucv/af_iucv.c -index ae69165..c8b82d8 100644 ---- a/net/iucv/af_iucv.c -+++ b/net/iucv/af_iucv.c -@@ -773,10 +773,10 @@ static int iucv_sock_autobind(struct sock *sk) - - write_lock_bh(&iucv_sk_list.lock); - -- 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)); - } - - write_unlock_bh(&iucv_sk_list.lock); -diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c -index 4fe76ff..426a904 100644 ---- a/net/iucv/iucv.c -+++ b/net/iucv/iucv.c -@@ -690,7 +690,7 @@ static int __cpuinit 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 ab8bd2c..cd2d641 100644 ---- a/net/key/af_key.c -+++ b/net/key/af_key.c -@@ -3048,10 +3048,10 @@ 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/mac80211/cfg.c b/net/mac80211/cfg.c -index ae36f8e..09d42ac 100644 ---- a/net/mac80211/cfg.c -+++ b/net/mac80211/cfg.c -@@ -806,7 +806,7 @@ 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); - } -@@ -2922,7 +2922,7 @@ 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); -@@ -3385,8 +3385,8 @@ static int ieee80211_cfg_get_channel(struct wiphy *wiphy, - if (chanctx_conf) { - *chandef = chanctx_conf->def; - 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 9ca8e32..48e4a9b 100644 ---- a/net/mac80211/ieee80211_i.h -+++ b/net/mac80211/ieee80211_i.h -@@ -28,6 +28,7 @@ - #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" -@@ -891,7 +892,7 @@ 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 514e90f..56f22bf 100644 ---- a/net/mac80211/iface.c -+++ b/net/mac80211/iface.c -@@ -502,7 +502,7 @@ 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; -@@ -545,7 +545,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) - break; - } - -- if (local->monitors == 0 && local->open_count == 0) { -+ if (local->monitors == 0 && local_read(&local->open_count) == 0) { - res = ieee80211_add_virtual_monitor(local); - if (res) - goto err_stop; -@@ -653,7 +653,7 @@ 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); -@@ -691,7 +691,7 @@ 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; -@@ -828,7 +828,7 @@ 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: -@@ -895,7 +895,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, - } - spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); - -- if (local->open_count == 0) -+ if (local_read(&local->open_count) == 0) - ieee80211_clear_tx_pending(local); - - /* -@@ -931,7 +931,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, - - ieee80211_recalc_ps(local, -1); - -- if (local->open_count == 0) { -+ if (local_read(&local->open_count) == 0) { - ieee80211_stop_device(local); - - /* no reconfiguring after stop! */ -@@ -942,7 +942,7 @@ 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 8a7bfc4..4407cd0 100644 ---- a/net/mac80211/main.c -+++ b/net/mac80211/main.c -@@ -181,7 +181,7 @@ 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 3401262..d5cd68d 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); -@@ -59,7 +59,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) - cancel_work_sync(&local->dynamic_ps_enable_work); - del_timer_sync(&local->dynamic_ps_timer); - -- local->wowlan = wowlan && local->open_count; -+ local->wowlan = wowlan && local_read(&local->open_count); - if (local->wowlan) { - int err = drv_suspend(local, wowlan); - if (err < 0) { -@@ -116,7 +116,7 @@ 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 a02bef3..f2f38dd 100644 ---- a/net/mac80211/rate.c -+++ b/net/mac80211/rate.c -@@ -712,7 +712,7 @@ 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/rc80211_pid_debugfs.c b/net/mac80211/rc80211_pid_debugfs.c -index c97a065..ff61928 100644 ---- a/net/mac80211/rc80211_pid_debugfs.c -+++ b/net/mac80211/rc80211_pid_debugfs.c -@@ -193,7 +193,7 @@ static ssize_t rate_control_pid_events_read(struct file *file, char __user *buf, - - spin_unlock_irqrestore(&events->lock, status); - -- if (copy_to_user(buf, pb, p)) -+ if (p > sizeof(pb) || copy_to_user(buf, pb, p)) - return -EFAULT; - - return p; -diff --git a/net/mac80211/util.c b/net/mac80211/util.c -index 72e6292..e6319eb 100644 ---- a/net/mac80211/util.c -+++ b/net/mac80211/util.c -@@ -1472,7 +1472,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) - } - #endif - /* everything else happens only if HW was up & running */ -- if (!local->open_count) -+ if (!local_read(&local->open_count)) - goto wake_up; - - /* -@@ -1696,7 +1696,7 @@ 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); - - /* -diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig -index 56d22ca..87c778f 100644 ---- a/net/netfilter/Kconfig -+++ b/net/netfilter/Kconfig -@@ -958,6 +958,16 @@ 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 a1abf87..dbcb7ee 100644 ---- a/net/netfilter/Makefile -+++ b/net/netfilter/Makefile -@@ -112,6 +112,7 @@ 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 f771390..145b765 100644 ---- a/net/netfilter/ipset/ip_set_core.c -+++ b/net/netfilter/ipset/ip_set_core.c -@@ -1820,7 +1820,7 @@ 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 a083bda..da661c3 100644 ---- a/net/netfilter/ipvs/ip_vs_conn.c -+++ b/net/netfilter/ipvs/ip_vs_conn.c -@@ -556,7 +556,7 @@ 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; -@@ -900,7 +900,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p, - - 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; -@@ -1190,7 +1190,7 @@ 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 23b8eb5..48a8959 100644 ---- a/net/netfilter/ipvs/ip_vs_core.c -+++ b/net/netfilter/ipvs/ip_vs_core.c -@@ -559,7 +559,7 @@ 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; - } -@@ -1711,7 +1711,7 @@ 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 9e6c2a0..28552e2 100644 ---- a/net/netfilter/ipvs/ip_vs_ctl.c -+++ b/net/netfilter/ipvs/ip_vs_ctl.c -@@ -789,7 +789,7 @@ __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 */ - if (!dest->svc) { -@@ -1657,7 +1657,7 @@ proc_do_sync_ports(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), -@@ -2060,7 +2060,7 @@ 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)); -@@ -2071,7 +2071,7 @@ 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)); -@@ -2549,7 +2549,7 @@ __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; -@@ -3092,7 +3092,7 @@ 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)) || -@@ -3682,7 +3682,7 @@ 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 5ea26bd..c9bc65f 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 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 50123c2..067c773 100644 ---- a/net/netfilter/ipvs/ip_vs_lblcr.c -+++ b/net/netfilter/ipvs/ip_vs_lblcr.c -@@ -299,7 +299,7 @@ struct ip_vs_lblcr_table { - * IPVS LBLCR sysctl table - */ - --static 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 f6046d9..4f10cfd 100644 ---- a/net/netfilter/ipvs/ip_vs_sync.c -+++ b/net/netfilter/ipvs/ip_vs_sync.c -@@ -596,7 +596,7 @@ 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); -@@ -758,7 +758,7 @@ 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; -@@ -882,7 +882,7 @@ 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 b75ff64..0c51bbe 100644 ---- a/net/netfilter/ipvs/ip_vs_xmit.c -+++ b/net/netfilter/ipvs/ip_vs_xmit.c -@@ -1102,7 +1102,7 @@ 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; - } - -@@ -1194,7 +1194,7 @@ 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 2d3030a..7ba1c0a 100644 ---- a/net/netfilter/nf_conntrack_acct.c -+++ b/net/netfilter/nf_conntrack_acct.c -@@ -60,7 +60,7 @@ 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 0283bae..5febcb0 100644 ---- a/net/netfilter/nf_conntrack_core.c -+++ b/net/netfilter/nf_conntrack_core.c -@@ -1614,6 +1614,10 @@ 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; -@@ -1628,7 +1632,11 @@ int nf_conntrack_init_net(struct net *net) - goto err_stat; - } - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%08lx", atomic_inc_return_unchecked(&conntrack_cache_id)); -+#else - net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%p", net); -+#endif - if (!net->ct.slabname) { - ret = -ENOMEM; - goto err_slabname; -diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c -index 1df1761..ce8b88a 100644 ---- a/net/netfilter/nf_conntrack_ecache.c -+++ b/net/netfilter/nf_conntrack_ecache.c -@@ -188,7 +188,7 @@ 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 974a2a4..52cc6ff 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 0ab9636..cea3c6a 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_proto_dccp.c b/net/netfilter/nf_conntrack_proto_dccp.c -index a99b6c3..cb372f9 100644 ---- a/net/netfilter/nf_conntrack_proto_dccp.c -+++ b/net/netfilter/nf_conntrack_proto_dccp.c -@@ -428,7 +428,7 @@ static bool dccp_new(struct nf_conn *ct, const struct sk_buff *skb, - const char *msg; - u_int8_t state; - -- dh = skb_header_pointer(skb, dataoff, sizeof(_dh), &dh); -+ dh = skb_header_pointer(skb, dataoff, sizeof(_dh), &_dh); - BUG_ON(dh == NULL); - - state = dccp_state_table[CT_DCCP_ROLE_CLIENT][dh->dccph_type][CT_DCCP_NONE]; -@@ -457,7 +457,7 @@ static bool dccp_new(struct nf_conn *ct, const struct sk_buff *skb, - out_invalid: - if (LOG_INVALID(net, IPPROTO_DCCP)) - nf_log_packet(net, nf_ct_l3num(ct), 0, skb, NULL, NULL, -- NULL, msg); -+ NULL, "%s", msg); - return false; - } - -@@ -486,7 +486,7 @@ static int dccp_packet(struct nf_conn *ct, const struct sk_buff *skb, - u_int8_t type, old_state, new_state; - enum ct_dccp_roles role; - -- dh = skb_header_pointer(skb, dataoff, sizeof(_dh), &dh); -+ dh = skb_header_pointer(skb, dataoff, sizeof(_dh), &_dh); - BUG_ON(dh == NULL); - type = dh->dccph_type; - -@@ -577,7 +577,7 @@ static int dccp_error(struct net *net, struct nf_conn *tmpl, - unsigned int cscov; - const char *msg; - -- dh = skb_header_pointer(skb, dataoff, sizeof(_dh), &dh); -+ dh = skb_header_pointer(skb, dataoff, sizeof(_dh), &_dh); - if (dh == NULL) { - msg = "nf_ct_dccp: short packet "; - goto out_invalid; -@@ -614,7 +614,7 @@ static int dccp_error(struct net *net, struct nf_conn *tmpl, - - out_invalid: - if (LOG_INVALID(net, IPPROTO_DCCP)) -- nf_log_packet(net, pf, 0, skb, NULL, NULL, NULL, msg); -+ nf_log_packet(net, pf, 0, skb, NULL, NULL, NULL, "%s", msg); - return -NF_ACCEPT; - } - -diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c -index 4d4d8f1..e0f9a32 100644 ---- a/net/netfilter/nf_conntrack_proto_tcp.c -+++ b/net/netfilter/nf_conntrack_proto_tcp.c -@@ -526,7 +526,7 @@ static bool tcp_in_window(const struct nf_conn *ct, - const struct nf_conntrack_tuple *tuple = &ct->tuplehash[dir].tuple; - __u32 seq, ack, sack, end, win, swin; - s16 receiver_offset; -- bool res; -+ bool res, in_recv_win; - - /* - * Get the required data from the packet. -@@ -649,14 +649,18 @@ static bool tcp_in_window(const struct nf_conn *ct, - receiver->td_end, receiver->td_maxend, receiver->td_maxwin, - receiver->td_scale); - -+ /* Is the ending sequence in the receive window (if available)? */ -+ in_recv_win = !receiver->td_maxwin || -+ after(end, sender->td_end - receiver->td_maxwin - 1); -+ - pr_debug("tcp_in_window: I=%i II=%i III=%i IV=%i\n", - before(seq, sender->td_maxend + 1), -- after(end, sender->td_end - receiver->td_maxwin - 1), -+ (in_recv_win ? 1 : 0), - before(sack, receiver->td_end + 1), - after(sack, receiver->td_end - MAXACKWINDOW(sender) - 1)); - - if (before(seq, sender->td_maxend + 1) && -- after(end, sender->td_end - receiver->td_maxwin - 1) && -+ in_recv_win && - before(sack, receiver->td_end + 1) && - after(sack, receiver->td_end - MAXACKWINDOW(sender) - 1)) { - /* -@@ -725,7 +729,7 @@ static bool tcp_in_window(const struct nf_conn *ct, - nf_log_packet(net, pf, 0, skb, NULL, NULL, NULL, - "nf_ct_tcp: %s ", - before(seq, sender->td_maxend + 1) ? -- after(end, sender->td_end - receiver->td_maxwin - 1) ? -+ in_recv_win ? - before(sack, receiver->td_end + 1) ? - after(sack, receiver->td_end - MAXACKWINDOW(sender) - 1) ? "BUG" - : "ACK is under the lower bound (possible overly delayed ACK)" -diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c -index bd700b4..4a3dc61 100644 ---- a/net/netfilter/nf_conntrack_standalone.c -+++ b/net/netfilter/nf_conntrack_standalone.c -@@ -471,7 +471,7 @@ static 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 902fb0a..87f7fdb 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 3b18dd1..f79e0ca 100644 ---- a/net/netfilter/nf_log.c -+++ b/net/netfilter/nf_log.c -@@ -243,7 +243,7 @@ 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(ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) -@@ -274,14 +274,16 @@ static int nf_log_proc_dostring(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 = rcu_dereference_protected(net->nf.nf_loggers[tindex], - lockdep_is_held(&nf_log_mutex)); - 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 f042ae5..30ea486 100644 ---- a/net/netfilter/nf_sockopt.c -+++ b/net/netfilter/nf_sockopt.c -@@ -45,7 +45,7 @@ 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; -@@ -55,7 +55,7 @@ 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 962e979..e46f350 100644 ---- a/net/netfilter/nfnetlink_log.c -+++ b/net/netfilter/nfnetlink_log.c -@@ -82,7 +82,7 @@ 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) -@@ -419,6 +419,7 @@ __build_packet_message(struct nfnl_log_net *log, - nfmsg->version = NFNETLINK_V0; - nfmsg->res_id = htons(inst->group_num); - -+ memset(&pmsg, 0, sizeof(pmsg)); - pmsg.hw_protocol = skb->protocol; - pmsg.hook = hooknum; - -@@ -498,7 +499,10 @@ __build_packet_message(struct nfnl_log_net *log, - if (indev && skb->dev && - skb->mac_header != skb->network_header) { - struct nfulnl_msg_packet_hw phw; -- int len = dev_parse_header(skb, phw.hw_addr); -+ int len; -+ -+ memset(&phw, 0, sizeof(phw)); -+ len = dev_parse_header(skb, phw.hw_addr); - if (len > 0) { - phw.hw_addrlen = htons(len); - if (nla_put(inst->skb, NFULA_HWADDR, sizeof(phw), &phw)) -@@ -559,7 +563,7 @@ __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/nfnetlink_queue_core.c b/net/netfilter/nfnetlink_queue_core.c -index 5352b2d..e0083ce 100644 ---- a/net/netfilter/nfnetlink_queue_core.c -+++ b/net/netfilter/nfnetlink_queue_core.c -@@ -444,7 +444,10 @@ nfqnl_build_packet_message(struct nfqnl_instance *queue, - if (indev && entskb->dev && - entskb->mac_header != entskb->network_header) { - struct nfqnl_msg_packet_hw phw; -- int len = dev_parse_header(entskb, phw.hw_addr); -+ int len; -+ -+ memset(&phw, 0, sizeof(phw)); -+ len = dev_parse_header(entskb, phw.hw_addr); - if (len) { - phw.hw_addrlen = htons(len); - if (nla_put(skb, NFQA_HWADDR, sizeof(phw), &phw)) -diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c -index 7011c71..6113cc7 100644 ---- a/net/netfilter/xt_TCPMSS.c -+++ b/net/netfilter/xt_TCPMSS.c -@@ -52,7 +52,8 @@ tcpmss_mangle_packet(struct sk_buff *skb, - { - const struct xt_tcpmss_info *info = par->targinfo; - struct tcphdr *tcph; -- unsigned int tcplen, i; -+ int len, tcp_hdrlen; -+ unsigned int i; - __be16 oldval; - u16 newmss; - u8 *opt; -@@ -64,11 +65,14 @@ tcpmss_mangle_packet(struct sk_buff *skb, - if (!skb_make_writable(skb, skb->len)) - return -1; - -- tcplen = skb->len - tcphoff; -+ len = skb->len - tcphoff; -+ if (len < (int)sizeof(struct tcphdr)) -+ return -1; -+ - tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); -+ tcp_hdrlen = tcph->doff * 4; - -- /* Header cannot be larger than the packet */ -- if (tcplen < tcph->doff*4) -+ if (len < tcp_hdrlen) - return -1; - - if (info->mss == XT_TCPMSS_CLAMP_PMTU) { -@@ -87,9 +91,8 @@ tcpmss_mangle_packet(struct sk_buff *skb, - newmss = info->mss; - - opt = (u_int8_t *)tcph; -- for (i = sizeof(struct tcphdr); i < tcph->doff*4; i += optlen(opt, i)) { -- if (opt[i] == TCPOPT_MSS && tcph->doff*4 - i >= TCPOLEN_MSS && -- opt[i+1] == TCPOLEN_MSS) { -+ for (i = sizeof(struct tcphdr); i <= tcp_hdrlen - TCPOLEN_MSS; i += optlen(opt, i)) { -+ if (opt[i] == TCPOPT_MSS && opt[i+1] == TCPOLEN_MSS) { - u_int16_t oldmss; - - oldmss = (opt[i+2] << 8) | opt[i+3]; -@@ -112,9 +115,10 @@ tcpmss_mangle_packet(struct sk_buff *skb, - } - - /* There is data after the header so the option can't be added -- without moving it, and doing so may make the SYN packet -- itself too large. Accept the packet unmodified instead. */ -- if (tcplen > tcph->doff*4) -+ * without moving it, and doing so may make the SYN packet -+ * itself too large. Accept the packet unmodified instead. -+ */ -+ if (len > tcp_hdrlen) - return 0; - - /* -@@ -143,10 +147,10 @@ tcpmss_mangle_packet(struct sk_buff *skb, - newmss = min(newmss, (u16)1220); - - opt = (u_int8_t *)tcph + sizeof(struct tcphdr); -- memmove(opt + TCPOLEN_MSS, opt, tcplen - sizeof(struct tcphdr)); -+ memmove(opt + TCPOLEN_MSS, opt, len - sizeof(struct tcphdr)); - - inet_proto_csum_replace2(&tcph->check, skb, -- htons(tcplen), htons(tcplen + TCPOLEN_MSS), 1); -+ htons(len), htons(len + TCPOLEN_MSS), 1); - opt[0] = TCPOPT_MSS; - opt[1] = TCPOLEN_MSS; - opt[2] = (newmss & 0xff00) >> 8; -diff --git a/net/netfilter/xt_TCPOPTSTRIP.c b/net/netfilter/xt_TCPOPTSTRIP.c -index b68fa19..625fa1d 100644 ---- a/net/netfilter/xt_TCPOPTSTRIP.c -+++ b/net/netfilter/xt_TCPOPTSTRIP.c -@@ -38,7 +38,7 @@ tcpoptstrip_mangle_packet(struct sk_buff *skb, - struct tcphdr *tcph; - u_int16_t n, o; - u_int8_t *opt; -- int len; -+ int len, tcp_hdrlen; - - /* This is a fragment, no TCP header is available */ - if (par->fragoff != 0) -@@ -52,7 +52,9 @@ tcpoptstrip_mangle_packet(struct sk_buff *skb, - return NF_DROP; - - tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); -- if (tcph->doff * 4 > len) -+ tcp_hdrlen = tcph->doff * 4; -+ -+ if (len < tcp_hdrlen) - return NF_DROP; - - opt = (u_int8_t *)tcph; -@@ -61,10 +63,10 @@ tcpoptstrip_mangle_packet(struct sk_buff *skb, - * Walk through all TCP options - if we find some option to remove, - * set all octets to %TCPOPT_NOP and adjust checksum. - */ -- for (i = sizeof(struct tcphdr); i < tcp_hdrlen(skb); i += optl) { -+ for (i = sizeof(struct tcphdr); i < tcp_hdrlen - 1; i += optl) { - optl = optlen(opt, i); - -- if (i + optl > tcp_hdrlen(skb)) -+ if (i + optl > tcp_hdrlen) - break; - - if (!tcpoptstrip_test_bit(info->strip_bmap, opt[i])) -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@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_statistic.c b/net/netfilter/xt_statistic.c -index 4fe4fb4..87a89e5 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 57ee84d..8b99cf5 100644 ---- a/net/netlink/af_netlink.c -+++ b/net/netlink/af_netlink.c -@@ -121,7 +121,7 @@ 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) -@@ -2771,7 +2771,7 @@ static int netlink_seq_show(struct seq_file *seq, void *v) - sk_wmem_alloc_get(s), - nlk->cb, - atomic_read(&s->sk_refcnt), -- atomic_read(&s->sk_drops), -+ atomic_read_unchecked(&s->sk_drops), - sock_i_ino(s) - ); - -diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c -index 1076fe1..f190285 100644 ---- a/net/netlink/genetlink.c -+++ b/net/netlink/genetlink.c -@@ -310,18 +310,20 @@ int genl_register_ops(struct genl_family *family, struct genl_ops *ops) - goto errout; - } - -+ pax_open_kernel(); - if (ops->dumpit) -- ops->flags |= GENL_CMD_CAP_DUMP; -+ *(unsigned int *)&ops->flags |= GENL_CMD_CAP_DUMP; - if (ops->doit) -- ops->flags |= GENL_CMD_CAP_DO; -+ *(unsigned int *)&ops->flags |= GENL_CMD_CAP_DO; - if (ops->policy) -- ops->flags |= GENL_CMD_CAP_HASPOL; -+ *(unsigned int *)&ops->flags |= GENL_CMD_CAP_HASPOL; -+ pax_close_kernel(); - - genl_lock_all(); -- list_add_tail(&ops->ops_list, &family->ops_list); -+ pax_list_add_tail((struct list_head *)&ops->ops_list, &family->ops_list); - genl_unlock_all(); - -- genl_ctrl_event(CTRL_CMD_NEWOPS, ops); -+ genl_ctrl_event(CTRL_CMD_NEWOPS, (void *)ops); - err = 0; - errout: - return err; -@@ -351,9 +353,9 @@ int genl_unregister_ops(struct genl_family *family, struct genl_ops *ops) - genl_lock_all(); - list_for_each_entry(rc, &family->ops_list, ops_list) { - if (rc == ops) { -- list_del(&ops->ops_list); -+ pax_list_del((struct list_head *)&ops->ops_list); - genl_unlock_all(); -- genl_ctrl_event(CTRL_CMD_DELOPS, ops); -+ genl_ctrl_event(CTRL_CMD_DELOPS, (void *)ops); - return 0; - } - } -diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c -index ec0c80f..41e1830 100644 ---- a/net/netrom/af_netrom.c -+++ b/net/netrom/af_netrom.c -@@ -850,7 +850,6 @@ static int nr_getname(struct socket *sock, struct sockaddr *uaddr, - *uaddr_len = sizeof(struct full_sockaddr_ax25); - } else { - sax->fsa_ax25.sax25_family = AF_NETROM; -- sax->fsa_ax25.sax25_ndigis = 0; - sax->fsa_ax25.sax25_call = nr->source_addr; - *uaddr_len = sizeof(struct sockaddr_ax25); - } -diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c -index 20a1bd0..bb8f1c1 100644 ---- a/net/packet/af_packet.c -+++ b/net/packet/af_packet.c -@@ -1681,7 +1681,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, - - spin_lock(&sk->sk_receive_queue.lock); - po->stats.stats1.tp_packets++; -- skb->dropcount = atomic_read(&sk->sk_drops); -+ skb->dropcount = atomic_read_unchecked(&sk->sk_drops); - __skb_queue_tail(&sk->sk_receive_queue, skb); - spin_unlock(&sk->sk_receive_queue.lock); - sk->sk_data_ready(sk, skb->len); -@@ -1690,7 +1690,7 @@ 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: -@@ -2640,6 +2640,7 @@ out: - - static int packet_recv_error(struct sock *sk, struct msghdr *msg, int len) - { -+ struct sock_extended_err ee; - struct sock_exterr_skb *serr; - struct sk_buff *skb, *skb2; - int copied, err; -@@ -2661,8 +2662,9 @@ static int packet_recv_error(struct sock *sk, struct msghdr *msg, int len) - sock_recv_timestamp(msg, sk, skb); - - serr = SKB_EXT_ERR(skb); -+ ee = serr->ee; - put_cmsg(msg, SOL_PACKET, PACKET_TX_TIMESTAMP, -- sizeof(serr->ee), &serr->ee); -+ sizeof ee, &ee); - - msg->msg_flags |= MSG_ERRQUEUE; - err = copied; -@@ -3281,7 +3283,7 @@ 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: -@@ -3324,7 +3326,7 @@ 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/af_phonet.c b/net/phonet/af_phonet.c -index 5a940db..d6a502d 100644 ---- a/net/phonet/af_phonet.c -+++ b/net/phonet/af_phonet.c -@@ -469,7 +469,7 @@ int __init_or_module phonet_proto_register(unsigned int protocol, - { - int err = 0; - -- if (protocol >= PHONET_NPROTO) -+ if (protocol < 0 || protocol >= PHONET_NPROTO) - return -EINVAL; - - err = proto_register(pp->prot, 1); -diff --git a/net/phonet/pep.c b/net/phonet/pep.c -index e774117..900b8b7 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; - } -@@ -580,7 +580,7 @@ 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 1afd138..0b42453 100644 ---- a/net/phonet/socket.c -+++ b/net/phonet/socket.c -@@ -612,7 +612,7 @@ 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), &len); -+ atomic_read_unchecked(&sk->sk_drops), &len); - } - seq_printf(seq, "%*s\n", 127 - len, ""); - return 0; -diff --git a/net/phonet/sysctl.c b/net/phonet/sysctl.c -index d6bbbbd..61561e4 100644 ---- a/net/phonet/sysctl.c -+++ b/net/phonet/sysctl.c -@@ -67,7 +67,7 @@ static int proc_local_port_range(ctl_table *table, int write, - { - int ret; - int range[2] = {local_port_range[0], local_port_range[1]}; -- 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 e5b65ac..f3b6fb7 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 -@@ -233,7 +233,7 @@ 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)) -@@ -259,7 +259,7 @@ 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 7280ab8..e04f4ea 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 31b74f5..dc1fbfa 100644 ---- a/net/rds/ib_cm.c -+++ b/net/rds/ib_cm.c -@@ -717,7 +717,7 @@ 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 8eb9501..0c386ff 100644 ---- a/net/rds/ib_recv.c -+++ b/net/rds/ib_recv.c -@@ -597,7 +597,7 @@ 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_clear_bit(); - set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); -@@ -609,7 +609,7 @@ static u64 rds_ib_get_ack(struct rds_ib_connection *ic) - clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); - smp_mb__after_clear_bit(); - -- return atomic64_read(&ic->i_ack_next); -+ return atomic64_read_unchecked(&ic->i_ack_next); - } - #endif - -diff --git a/net/rds/iw.h b/net/rds/iw.h -index 04ce3b1..48119a6 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 a91e1db..cf3053f 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 4503335..db566b4 100644 ---- a/net/rds/iw_recv.c -+++ b/net/rds/iw_recv.c -@@ -427,7 +427,7 @@ 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_clear_bit(); - set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); -@@ -439,7 +439,7 @@ static u64 rds_iw_get_ack(struct rds_iw_connection *ic) - clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); - smp_mb__after_clear_bit(); - -- 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 ec1d731..90a3a8d 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 81cf5a4..b5826ff 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 e61aa60..f07cc89 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 e4d9cbc..b229649 100644 ---- a/net/rxrpc/ar-ack.c -+++ b/net/rxrpc/ar-ack.c -@@ -175,7 +175,7 @@ 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 = 0; -@@ -199,7 +199,7 @@ 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; -@@ -403,7 +403,7 @@ 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)); - } - - /* -@@ -629,7 +629,7 @@ 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, -@@ -1161,7 +1161,7 @@ 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; -@@ -1173,7 +1173,7 @@ send_ACK: - ackinfo.rxMTU = htonl(5692); - ackinfo.jumbo_max = htonl(4); - -- 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), -@@ -1191,7 +1191,7 @@ 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 a3bbb36..3341fb9 100644 ---- a/net/rxrpc/ar-call.c -+++ b/net/rxrpc/ar-call.c -@@ -83,7 +83,7 @@ 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 4106ca9..a338d7a 100644 ---- a/net/rxrpc/ar-connection.c -+++ b/net/rxrpc/ar-connection.c -@@ -206,7 +206,7 @@ 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 529572f..c758ca7 100644 ---- a/net/rxrpc/ar-input.c -+++ b/net/rxrpc/ar-input.c -@@ -340,9 +340,9 @@ 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 a693aca..81e7293 100644 ---- a/net/rxrpc/ar-internal.h -+++ b/net/rxrpc/ar-internal.h -@@ -272,8 +272,8 @@ 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 */ -@@ -346,7 +346,7 @@ 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 */ -@@ -420,7 +420,7 @@ 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 87f7135..74d3703 100644 ---- a/net/rxrpc/ar-local.c -+++ b/net/rxrpc/ar-local.c -@@ -45,7 +45,7 @@ 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 e1ac183..b43e10e 100644 ---- a/net/rxrpc/ar-output.c -+++ b/net/rxrpc/ar-output.c -@@ -682,9 +682,9 @@ static int rxrpc_send_data(struct kiocb *iocb, - sp->hdr.cid = call->cid; - sp->hdr.callNumber = call->call_id; - sp->hdr.seq = -- htonl(atomic_inc_return(&call->sequence)); -+ htonl(atomic_inc_return_unchecked(&call->sequence)); - 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 92df566..87ec1bf 100644 ---- a/net/rxrpc/ar-transport.c -+++ b/net/rxrpc/ar-transport.c -@@ -47,7 +47,7 @@ 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/sctp/ipv6.c b/net/sctp/ipv6.c -index 391a245..296b3d7 100644 ---- a/net/sctp/ipv6.c -+++ b/net/sctp/ipv6.c -@@ -981,7 +981,7 @@ 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, -@@ -1013,7 +1013,7 @@ 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, -@@ -1038,7 +1038,7 @@ 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/proc.c b/net/sctp/proc.c -index 4e45ee3..e66a031 100644 ---- a/net/sctp/proc.c -+++ b/net/sctp/proc.c -@@ -337,7 +337,8 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v) - seq_printf(seq, - "%8pK %8pK %-3d %-3d %-2d %-4d " - "%4d %8d %8d %7d %5lu %-5d %5d ", -- assoc, sk, sctp_sk(sk)->type, sk->sk_state, -+ assoc, sk, -+ sctp_sk(sk)->type, sk->sk_state, - assoc->state, hash, - assoc->assoc_id, - assoc->sndbuf_used, -diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c -index eaee00c..97c0afd 100644 ---- a/net/sctp/protocol.c -+++ b/net/sctp/protocol.c -@@ -834,8 +834,10 @@ 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; - } - -@@ -966,7 +968,7 @@ 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, -@@ -1037,7 +1039,7 @@ 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, -@@ -1122,7 +1124,7 @@ 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 8aab894..f6b7e7d 100644 ---- a/net/sctp/sm_sideeffect.c -+++ b/net/sctp/sm_sideeffect.c -@@ -447,7 +447,7 @@ 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 6abb1ca..1678f8b 100644 ---- a/net/sctp/socket.c -+++ b/net/sctp/socket.c -@@ -2167,11 +2167,13 @@ 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; - - /* - * At the time when a user app subscribes to SCTP_SENDER_DRY_EVENT, -@@ -4222,13 +4224,16 @@ 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; - } -@@ -4246,6 +4251,8 @@ 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; -@@ -4254,7 +4261,8 @@ 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; - } -@@ -4626,12 +4634,15 @@ 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; - } -@@ -4672,6 +4683,8 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len, - addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; - 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 bf3c6e8..376d8d0 100644 ---- a/net/sctp/sysctl.c -+++ b/net/sctp/sysctl.c -@@ -307,7 +307,7 @@ static int proc_sctp_do_hmac_alg(ctl_table *ctl, - { - struct net *net = current->nsproxy->net_ns; - char tmp[8]; -- ctl_table tbl; -+ ctl_table_no_const tbl; - int ret; - int changed = 0; - char *none = "none"; -@@ -350,7 +350,7 @@ static int proc_sctp_do_hmac_alg(ctl_table *ctl, - - 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/sctp/transport.c b/net/sctp/transport.c -index 098f1d5f..60da2f7 100644 ---- a/net/sctp/transport.c -+++ b/net/sctp/transport.c -@@ -178,12 +178,12 @@ static void sctp_transport_destroy(struct sctp_transport *transport) - { - SCTP_ASSERT(transport->dead, "Transport is not dead", return); - -- call_rcu(&transport->rcu, sctp_transport_destroy_rcu); -- - sctp_packet_free(&transport->packet); - - if (transport->asoc) - sctp_association_put(transport->asoc); -+ -+ call_rcu(&transport->rcu, sctp_transport_destroy_rcu); - } - - /* Start T3_rtx timer if it is not already running and update the heartbeat -diff --git a/net/socket.c b/net/socket.c -index 4ca1526..df83e47 100644 ---- a/net/socket.c -+++ b/net/socket.c -@@ -88,6 +88,7 @@ - #include <linux/magic.h> - #include <linux/slab.h> - #include <linux/xattr.h> -+#include <linux/in.h> - - #include <asm/uaccess.h> - #include <asm/unistd.h> -@@ -105,6 +106,8 @@ - #include <linux/sockios.h> - #include <linux/atalk.h> - -+#include <linux/grsock.h> -+ - static int sock_no_open(struct inode *irrelevant, struct file *dontcare); - static ssize_t sock_aio_read(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos); -@@ -321,7 +324,7 @@ 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", -@@ -1246,6 +1249,8 @@ 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. - -@@ -1377,6 +1382,16 @@ SYSCALL_DEFINE3(socket, int, family, int, type, int, protocol) - if (SOCK_NONBLOCK != O_NONBLOCK && (flags & SOCK_NONBLOCK)) - flags = (flags & ~SOCK_NONBLOCK) | O_NONBLOCK; - -+ if(!gr_search_socket(family, type, protocol)) { -+ retval = -EACCES; -+ goto out; -+ } -+ -+ if (gr_handle_sock_all(family, type, protocol)) { -+ retval = -EACCES; -+ goto out; -+ } -+ - retval = sock_create(family, type, protocol, &sock); - if (retval < 0) - goto out; -@@ -1504,6 +1519,14 @@ 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); -@@ -1512,6 +1535,7 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen) - (struct sockaddr *) - &address, addrlen); - } -+error: - fput_light(sock->file, fput_needed); - } - return err; -@@ -1535,10 +1559,20 @@ 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; -@@ -1582,6 +1616,18 @@ 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. -@@ -1627,6 +1673,8 @@ 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: -@@ -1659,6 +1707,7 @@ 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; - -@@ -1669,6 +1718,17 @@ 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) -@@ -1750,6 +1810,8 @@ SYSCALL_DEFINE3(getpeername, int, fd, struct sockaddr __user *, usockaddr, - * the protocol. - */ - -+asmlinkage long sys_sendto(int, void *, size_t, unsigned, struct sockaddr *, int); -+ - SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len, - unsigned int, flags, struct sockaddr __user *, addr, - int, addr_len) -@@ -1816,7 +1878,7 @@ 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; - -@@ -2023,7 +2085,7 @@ static int ___sys_sendmsg(struct socket *sock, struct 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; -@@ -2174,7 +2236,7 @@ static int ___sys_recvmsg(struct socket *sock, struct msghdr __user *msg, - int err, total_len, len; - - /* kernel mode address */ -- struct sockaddr_storage addr; -+ struct sockaddr_storage addr = { }; - - /* user mode address pointers */ - struct sockaddr __user *uaddr; -@@ -2202,7 +2264,7 @@ static int ___sys_recvmsg(struct socket *sock, struct msghdr __user *msg, - * kernel msghdr to use the kernel address space) - */ - -- uaddr = (__force void __user *)msg_sys->msg_name; -+ uaddr = (void __force_user *)msg_sys->msg_name; - uaddr_len = COMPAT_NAMELEN(msg); - if (MSG_CMSG_COMPAT & flags) { - err = verify_compat_iovec(msg_sys, iov, &addr, VERIFY_WRITE); -@@ -2955,7 +3017,7 @@ 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; -@@ -3064,7 +3126,7 @@ 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) { -@@ -3169,7 +3231,7 @@ 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; -@@ -3395,8 +3457,8 @@ 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) -@@ -3416,7 +3478,7 @@ 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/clnt.c b/net/sunrpc/clnt.c -index 426f8fc..1ef9c32 100644 ---- a/net/sunrpc/clnt.c -+++ b/net/sunrpc/clnt.c -@@ -1288,7 +1288,9 @@ 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 5356b12..c0f4c29 100644 ---- a/net/sunrpc/sched.c -+++ b/net/sunrpc/sched.c -@@ -261,9 +261,9 @@ static int rpc_wait_bit_killable(void *word) - #ifdef RPC_DEBUG - 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/svc.c b/net/sunrpc/svc.c -index 89a588b..678ed90 100644 ---- a/net/sunrpc/svc.c -+++ b/net/sunrpc/svc.c -@@ -740,7 +740,7 @@ svc_set_num_threads(struct svc_serv *serv, struct svc_pool *pool, int nrservs) - - __module_get(serv->sv_module); - task = kthread_create_on_node(serv->sv_function, rqstp, -- node, serv->sv_name); -+ node, "%s", serv->sv_name); - if (IS_ERR(task)) { - error = PTR_ERR(task); - module_put(serv->sv_module); -@@ -1160,7 +1160,9 @@ 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/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c -index 8343737..677025e 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(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 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 0ce7552..d074459 100644 ---- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c -+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c -@@ -501,7 +501,7 @@ next_sge: - svc_rdma_put_context(ctxt, 0); - goto out; - } -- atomic_inc(&rdma_stat_read); -+ atomic_inc_unchecked(&rdma_stat_read); - - if (read_wr.num_sge < chl_map->ch[ch_no].count) { - chl_map->ch[ch_no].count -= read_wr.num_sge; -@@ -611,7 +611,7 @@ 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; - } -@@ -631,7 +631,7 @@ 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); - BUG_ON(ctxt->wc_status != IB_WC_SUCCESS); -- 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 c1d124d..acfc59e 100644 ---- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c -+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c -@@ -362,7 +362,7 @@ 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 0; -diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c -index 62e4f9b..dd3f2d7 100644 ---- a/net/sunrpc/xprtrdma/svc_rdma_transport.c -+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c -@@ -292,7 +292,7 @@ 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; -@@ -314,7 +314,7 @@ 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); - /* -@@ -386,7 +386,7 @@ 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, 1, &wc)) > 0) { - if (wc.status != IB_WC_SUCCESS) - /* Close the transport */ -@@ -404,7 +404,7 @@ 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) -@@ -1262,7 +1262,7 @@ 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 9bc6db0..47ac8c0 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_uid())) { - int mode = (table->mode >> 6) & 7; - return (mode << 6) | (mode << 3) | mode; -diff --git a/net/tipc/link.c b/net/tipc/link.c -index a80feee..2bbbe70 100644 ---- a/net/tipc/link.c -+++ b/net/tipc/link.c -@@ -1201,7 +1201,7 @@ static int link_send_sections_long(struct tipc_port *sender, - struct tipc_msg fragm_hdr; - struct sk_buff *buf, *buf_chain, *prev; - u32 fragm_crs, fragm_rest, hsz, sect_rest; -- const unchar *sect_crs; -+ const unchar __user *sect_crs; - int curr_sect; - u32 fragm_no; - -@@ -1242,7 +1242,7 @@ again: - - if (!sect_rest) { - sect_rest = msg_sect[++curr_sect].iov_len; -- sect_crs = (const unchar *)msg_sect[curr_sect].iov_base; -+ sect_crs = (const unchar __user *)msg_sect[curr_sect].iov_base; - } - - if (sect_rest < fragm_rest) -@@ -1261,7 +1261,7 @@ error: - } - } else - skb_copy_to_linear_data_offset(buf, fragm_crs, -- sect_crs, sz); -+ (const void __force_kernel *)sect_crs, sz); - sect_crs += sz; - sect_rest -= sz; - fragm_crs += sz; -diff --git a/net/tipc/msg.c b/net/tipc/msg.c -index f2db8a8..9245aa4 100644 ---- a/net/tipc/msg.c -+++ b/net/tipc/msg.c -@@ -98,7 +98,7 @@ int tipc_msg_build(struct tipc_msg *hdr, struct iovec const *msg_sect, - msg_sect[cnt].iov_len); - else - skb_copy_to_linear_data_offset(*buf, pos, -- msg_sect[cnt].iov_base, -+ (const void __force_kernel *)msg_sect[cnt].iov_base, - msg_sect[cnt].iov_len); - pos += msg_sect[cnt].iov_len; - } -diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c -index 6b42d47..2ac24d5 100644 ---- a/net/tipc/subscr.c -+++ b/net/tipc/subscr.c -@@ -96,7 +96,7 @@ static void subscr_send_event(struct tipc_subscription *sub, - { - struct iovec msg_sect; - -- msg_sect.iov_base = (void *)&sub->evt; -+ msg_sect.iov_base = (void __force_user *)&sub->evt; - msg_sect.iov_len = sizeof(struct tipc_event); - - sub->evt.event = htohl(event, sub->swap); -diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c -index 826e099..4fa8c93 100644 ---- a/net/unix/af_unix.c -+++ b/net/unix/af_unix.c -@@ -783,6 +783,12 @@ 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; -@@ -803,6 +809,13 @@ 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 -@@ -836,12 +849,18 @@ 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(path.dentry->d_inode, 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; - } -@@ -2324,9 +2343,13 @@ 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, -@@ -2353,8 +2376,10 @@ static int unix_seq_show(struct seq_file *seq, void *v) - } - for ( ; i < len; i++) - seq_putc(seq, u->addr->name->sun_path[i]); -- } -- unix_state_unlock(s); -+ } 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 8800604..0526440 100644 ---- a/net/unix/sysctl_net_unix.c -+++ b/net/unix/sysctl_net_unix.c -@@ -28,7 +28,7 @@ static 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/af_vsock.c b/net/vmw_vsock/af_vsock.c -index 3f77f42..662d89b 100644 ---- a/net/vmw_vsock/af_vsock.c -+++ b/net/vmw_vsock/af_vsock.c -@@ -335,7 +335,7 @@ void vsock_for_each_connected_socket(void (*fn)(struct sock *sk)) - for (i = 0; i < ARRAY_SIZE(vsock_connected_table); i++) { - struct vsock_sock *vsk; - list_for_each_entry(vsk, &vsock_connected_table[i], -- connected_table); -+ connected_table) - fn(sk_vsock(vsk)); - } - -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/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c -index ea970b8..c68edb9f 100644 ---- a/net/xfrm/xfrm_policy.c -+++ b/net/xfrm/xfrm_policy.c -@@ -334,7 +334,7 @@ static void xfrm_policy_kill(struct xfrm_policy *policy) - { - policy->walk.dead = 1; - -- atomic_inc(&policy->genid); -+ atomic_inc_unchecked(&policy->genid); - - del_timer(&policy->polq.hold_timer); - xfrm_queue_purge(&policy->polq.hold_queue); -@@ -659,7 +659,7 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl) - hlist_add_head(&policy->bydst, chain); - xfrm_pol_hold(policy); - net->xfrm.policy_count[dir]++; -- atomic_inc(&flow_cache_genid); -+ atomic_inc_unchecked(&flow_cache_genid); - rt_genid_bump(net); - if (delpol) { - xfrm_policy_requeue(delpol, policy); -@@ -1629,7 +1629,7 @@ free_dst: - goto out; - } - --static int inline -+static inline int - xfrm_dst_alloc_copy(void **target, const void *src, int size) - { - if (!*target) { -@@ -1641,7 +1641,7 @@ xfrm_dst_alloc_copy(void **target, const void *src, int size) - return 0; - } - --static int inline -+static inline int - xfrm_dst_update_parent(struct dst_entry *dst, const struct xfrm_selector *sel) - { - #ifdef CONFIG_XFRM_SUB_POLICY -@@ -1653,7 +1653,7 @@ xfrm_dst_update_parent(struct dst_entry *dst, const struct xfrm_selector *sel) - #endif - } - --static int inline -+static inline int - xfrm_dst_update_origin(struct dst_entry *dst, const struct flowi *fl) - { - #ifdef CONFIG_XFRM_SUB_POLICY -@@ -1747,7 +1747,7 @@ 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; - } -@@ -2618,7 +2618,7 @@ 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); -@@ -2706,8 +2706,11 @@ 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; -+ if (likely(afinfo->garbage_collect == NULL)) { -+ pax_open_kernel(); -+ *(void **)&afinfo->garbage_collect = xfrm_garbage_collect_deferred; -+ pax_close_kernel(); -+ } - rcu_assign_pointer(xfrm_policy_afinfo[afinfo->family], afinfo); - } - spin_unlock(&xfrm_policy_afinfo_lock); -@@ -2761,7 +2764,9 @@ 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; -+ pax_open_kernel(); -+ *(void **)&afinfo->garbage_collect = NULL; -+ pax_close_kernel(); - } - return err; - } -@@ -3144,7 +3149,7 @@ 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 78f66fa..9286768 100644 ---- a/net/xfrm/xfrm_state.c -+++ b/net/xfrm/xfrm_state.c -@@ -177,12 +177,14 @@ 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); -@@ -198,13 +200,16 @@ 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; -@@ -214,7 +219,6 @@ 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; - -@@ -222,9 +226,8 @@ 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) { -@@ -258,7 +261,7 @@ 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; -@@ -267,8 +270,10 @@ 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: -@@ -292,10 +297,12 @@ 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; - } -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/Makefile.build b/scripts/Makefile.build -index d5d859c..781cbcb 100644 ---- a/scripts/Makefile.build -+++ b/scripts/Makefile.build -@@ -111,7 +111,7 @@ 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 686cb0d..9d653bf 100644 ---- a/scripts/Makefile.clean -+++ b/scripts/Makefile.clean -@@ -43,7 +43,8 @@ subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) - __clean-files := $(extra-y) $(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 1ac414f..38575f7 100644 ---- a/scripts/Makefile.host -+++ b/scripts/Makefile.host -@@ -31,6 +31,8 @@ - # 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 -@@ -54,11 +56,15 @@ 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 -+# 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 directory -@@ -82,7 +88,9 @@ 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) -@@ -156,6 +164,13 @@ quiet_cmd_host-cshobjs = HOSTCC -fPIC $@ - $(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 $@ -@@ -165,6 +180,15 @@ quiet_cmd_host-cshlib = HOSTLLD -shared $@ - $(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-cshlib) $(host-cshobjs) -+ $(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 078fe1d..fbdb363 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..5e0222d ---- /dev/null -+++ b/scripts/gcc-plugin.sh -@@ -0,0 +1,17 @@ -+#!/bin/bash -+plugincc=`$1 -E -shared - -o /dev/null -I`$3 -print-file-name=plugin`/include 2>&1 <<EOF -+#include "gcc-plugin.h" -+#include "tree.h" -+#include "tm.h" -+#include "rtl.h" -+#ifdef ENABLE_BUILD_WITH_CXX -+#warning $2 -+#else -+#warning $1 -+#endif -+EOF` -+if [ $? -eq 0 ] -+then -+ [[ "$plugincc" =~ "$1" ]] && echo "$1" -+ [[ "$plugincc" =~ "$2" ]] && echo "$2" -+fi -diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh -index 643764f..6cc0137 100644 ---- a/scripts/headers_install.sh -+++ b/scripts/headers_install.sh -@@ -29,6 +29,7 @@ do - FILE="$(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_]|$)/\1__attribute__((packed))\2/g' \ -diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh -index 0149949..d482a0d 100644 ---- a/scripts/link-vmlinux.sh -+++ b/scripts/link-vmlinux.sh -@@ -158,7 +158,7 @@ else - fi; - - # final build of init/ --${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 45f9a33..e4194b3 100644 ---- a/scripts/mod/file2alias.c -+++ b/scripts/mod/file2alias.c -@@ -140,7 +140,7 @@ 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 " -@@ -168,7 +168,7 @@ 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) - { -@@ -278,7 +278,7 @@ 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); -@@ -531,7 +531,7 @@ 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); -@@ -560,7 +560,7 @@ 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]) -@@ -586,7 +586,7 @@ 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); -@@ -938,7 +938,7 @@ 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 a4be8e1..6e8a5fb 100644 ---- a/scripts/mod/modpost.c -+++ b/scripts/mod/modpost.c -@@ -933,6 +933,7 @@ enum mismatch { - ANY_INIT_TO_ANY_EXIT, - ANY_EXIT_TO_ANY_INIT, - EXPORT_TO_INIT_EXIT, -+ DATA_TO_TEXT - }; - - struct sectioncheck { -@@ -1047,6 +1048,12 @@ const struct sectioncheck sectioncheck[] = { - .tosec = { INIT_SECTIONS, EXIT_SECTIONS, NULL }, - .mismatch = EXPORT_TO_INIT_EXIT, - .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL }, -+}, -+/* Do not reference code from writable data */ -+{ -+ .fromsec = { DATA_SECTIONS, NULL }, -+ .tosec = { TEXT_SECTIONS, NULL }, -+ .mismatch = DATA_TO_TEXT - } - }; - -@@ -1169,10 +1176,10 @@ 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) { -@@ -1451,6 +1458,14 @@ static void report_sec_mismatch(const char *modname, - tosym, prl_to, prl_to, tosym); - free(prl_to); - 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"); - } -@@ -1685,7 +1700,7 @@ 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 */ -@@ -1804,7 +1819,7 @@ 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; -@@ -2023,7 +2038,7 @@ 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 51207e4..f7d603d 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 9dfcd6d..099068e 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/package/builddeb b/scripts/package/builddeb -index acb8650..b8c5f02 100644 ---- a/scripts/package/builddeb -+++ b/scripts/package/builddeb -@@ -246,6 +246,7 @@ fi - (cd $srctree; find . -name Makefile* -o -name Kconfig* -o -name *.pl > "$objtree/debian/hdrsrcfiles") - (cd $srctree; find arch/$SRCARCH/include include scripts -type f >> "$objtree/debian/hdrsrcfiles") - (cd $objtree; find arch/$SRCARCH/include .config 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/pnmtologo.c b/scripts/pnmtologo.c -index 68bb4ef..2f419e1 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 f5eb43d..1814de8 100644 ---- a/scripts/sortextable.h -+++ b/scripts/sortextable.h -@@ -106,9 +106,9 @@ 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; - - shdr = (Elf_Shdr *)((char *)ehdr + _r(&ehdr->e_shoff)); - shstrtab_sec = shdr + r2(&ehdr->e_shstrndx); -diff --git a/security/Kconfig b/security/Kconfig -index e9c6ac7..c5d45c8 100644 ---- a/security/Kconfig -+++ b/security/Kconfig -@@ -4,6 +4,959 @@ - - 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 -+ 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. -+ -+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. -+ -+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 EXT4_FS_XATTR if EXT4_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 -+ select UBIFS_FS_XATTR if UBIFS_FS -+ 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" if (PAX_PAGEEXEC || PAX_SEGMEXEC) && (PARISC || X86) -+ default y if PARISC -+ 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 && (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 -+ 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. -+ -+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 "4" 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 Nergal's -+ segvguard (ftp://ftp.pl.openwall.com/misc/segvguard/) or 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 "Randomize user stack base" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_ASLR -+ help -+ By saying Y here the kernel will randomize every task's userland -+ stack. The 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). -+ For this reason the second step can be controlled by 'chpax' or -+ 'paxctl' on a per file basis. -+ -+config PAX_RANDMMAP -+ bool "Randomize mmap() base" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_ASLR -+ help -+ By saying Y here the kernel will use a randomized base address for -+ mmap() requests that do not specify one themselves. As a result -+ 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) -+ depends on !HIBERNATION -+ 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. -+ -+ 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 commandline parameter -+ "pax_sanitize_slab=0". -+ -+ 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) && (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 || 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" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ By saying Y here the kernel will instrument early boot 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. -+ -+ 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 -@@ -103,7 +1056,7 @@ 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 -+ default 32768 if ALPHA || ARM || PARISC || SPARC32 - default 65536 - help - This is the portion of low virtual memory which should be protected -diff --git a/security/apparmor/Kconfig b/security/apparmor/Kconfig -index 9b9013b..51ebf96 100644 ---- a/security/apparmor/Kconfig -+++ b/security/apparmor/Kconfig -@@ -29,3 +29,12 @@ config SECURITY_APPARMOR_BOOTPARAM_VALUE - boot. - - If you are unsure how to answer this question, answer 1. -+ -+config SECURITY_APPARMOR_COMPAT_24 -+ bool "Enable AppArmor 2.4 compatability" -+ depends on SECURITY_APPARMOR -+ default y -+ help -+ This option enables compatability with AppArmor 2.4. It is -+ recommended if compatability with older versions of AppArmor -+ is desired. -diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c -index 16c15ec..42b7c9f 100644 ---- a/security/apparmor/apparmorfs.c -+++ b/security/apparmor/apparmorfs.c -@@ -182,6 +182,234 @@ const struct file_operations aa_fs_seq_file_ops = { - .release = single_release, - }; - -+#ifdef CONFIG_SECURITY_APPARMOR_COMPAT_24 -+/** -+ * __next_namespace - find the next namespace to list -+ * @root: root namespace to stop search at (NOT NULL) -+ * @ns: current ns position (NOT NULL) -+ * -+ * Find the next namespace from @ns under @root and handle all locking needed -+ * while switching current namespace. -+ * -+ * Returns: next namespace or NULL if at last namespace under @root -+ * NOTE: will not unlock root->lock -+ */ -+static struct aa_namespace *__next_namespace(struct aa_namespace *root, -+ struct aa_namespace *ns) -+{ -+ struct aa_namespace *parent; -+ -+ /* is next namespace a child */ -+ if (!list_empty(&ns->sub_ns)) { -+ struct aa_namespace *next; -+ next = list_first_entry(&ns->sub_ns, typeof(*ns), base.list); -+ read_lock(&next->lock); -+ return next; -+ } -+ -+ /* check if the next ns is a sibling, parent, gp, .. */ -+ parent = ns->parent; -+ while (parent) { -+ read_unlock(&ns->lock); -+ list_for_each_entry_continue(ns, &parent->sub_ns, base.list) { -+ read_lock(&ns->lock); -+ return ns; -+ } -+ if (parent == root) -+ return NULL; -+ ns = parent; -+ parent = parent->parent; -+ } -+ -+ return NULL; -+} -+ -+/** -+ * __first_profile - find the first profile in a namespace -+ * @root: namespace that is root of profiles being displayed (NOT NULL) -+ * @ns: namespace to start in (NOT NULL) -+ * -+ * Returns: unrefcounted profile or NULL if no profile -+ */ -+static struct aa_profile *__first_profile(struct aa_namespace *root, -+ struct aa_namespace *ns) -+{ -+ for ( ; ns; ns = __next_namespace(root, ns)) { -+ if (!list_empty(&ns->base.profiles)) -+ return list_first_entry(&ns->base.profiles, -+ struct aa_profile, base.list); -+ } -+ return NULL; -+} -+ -+/** -+ * __next_profile - step to the next profile in a profile tree -+ * @profile: current profile in tree (NOT NULL) -+ * -+ * Perform a depth first taversal on the profile tree in a namespace -+ * -+ * Returns: next profile or NULL if done -+ * Requires: profile->ns.lock to be held -+ */ -+static struct aa_profile *__next_profile(struct aa_profile *p) -+{ -+ struct aa_profile *parent; -+ struct aa_namespace *ns = p->ns; -+ -+ /* is next profile a child */ -+ if (!list_empty(&p->base.profiles)) -+ return list_first_entry(&p->base.profiles, typeof(*p), -+ base.list); -+ -+ /* is next profile a sibling, parent sibling, gp, subling, .. */ -+ parent = p->parent; -+ while (parent) { -+ list_for_each_entry_continue(p, &parent->base.profiles, -+ base.list) -+ return p; -+ p = parent; -+ parent = parent->parent; -+ } -+ -+ /* is next another profile in the namespace */ -+ list_for_each_entry_continue(p, &ns->base.profiles, base.list) -+ return p; -+ -+ return NULL; -+} -+ -+/** -+ * next_profile - step to the next profile in where ever it may be -+ * @root: root namespace (NOT NULL) -+ * @profile: current profile (NOT NULL) -+ * -+ * Returns: next profile or NULL if there isn't one -+ */ -+static struct aa_profile *next_profile(struct aa_namespace *root, -+ struct aa_profile *profile) -+{ -+ struct aa_profile *next = __next_profile(profile); -+ if (next) -+ return next; -+ -+ /* finished all profiles in namespace move to next namespace */ -+ return __first_profile(root, __next_namespace(root, profile->ns)); -+} -+ -+/** -+ * p_start - start a depth first traversal of profile tree -+ * @f: seq_file to fill -+ * @pos: current position -+ * -+ * Returns: first profile under current namespace or NULL if none found -+ * -+ * acquires first ns->lock -+ */ -+static void *p_start(struct seq_file *f, loff_t *pos) -+ __acquires(root->lock) -+{ -+ struct aa_profile *profile = NULL; -+ struct aa_namespace *root = aa_current_profile()->ns; -+ loff_t l = *pos; -+ f->private = aa_get_namespace(root); -+ -+ -+ /* find the first profile */ -+ read_lock(&root->lock); -+ profile = __first_profile(root, root); -+ -+ /* skip to position */ -+ for (; profile && l > 0; l--) -+ profile = next_profile(root, profile); -+ -+ return profile; -+} -+ -+/** -+ * p_next - read the next profile entry -+ * @f: seq_file to fill -+ * @p: profile previously returned -+ * @pos: current position -+ * -+ * Returns: next profile after @p or NULL if none -+ * -+ * may acquire/release locks in namespace tree as necessary -+ */ -+static void *p_next(struct seq_file *f, void *p, loff_t *pos) -+{ -+ struct aa_profile *profile = p; -+ struct aa_namespace *root = f->private; -+ (*pos)++; -+ -+ return next_profile(root, profile); -+} -+ -+/** -+ * p_stop - stop depth first traversal -+ * @f: seq_file we are filling -+ * @p: the last profile writen -+ * -+ * Release all locking done by p_start/p_next on namespace tree -+ */ -+static void p_stop(struct seq_file *f, void *p) -+ __releases(root->lock) -+{ -+ struct aa_profile *profile = p; -+ struct aa_namespace *root = f->private, *ns; -+ -+ if (profile) { -+ for (ns = profile->ns; ns && ns != root; ns = ns->parent) -+ read_unlock(&ns->lock); -+ } -+ read_unlock(&root->lock); -+ aa_put_namespace(root); -+} -+ -+/** -+ * seq_show_profile - show a profile entry -+ * @f: seq_file to file -+ * @p: current position (profile) (NOT NULL) -+ * -+ * Returns: error on failure -+ */ -+static int seq_show_profile(struct seq_file *f, void *p) -+{ -+ struct aa_profile *profile = (struct aa_profile *)p; -+ struct aa_namespace *root = f->private; -+ -+ if (profile->ns != root) -+ seq_printf(f, ":%s://", aa_ns_name(root, profile->ns)); -+ seq_printf(f, "%s (%s)\n", profile->base.hname, -+ COMPLAIN_MODE(profile) ? "complain" : "enforce"); -+ -+ return 0; -+} -+ -+static const struct seq_operations aa_fs_profiles_op = { -+ .start = p_start, -+ .next = p_next, -+ .stop = p_stop, -+ .show = seq_show_profile, -+}; -+ -+static int profiles_open(struct inode *inode, struct file *file) -+{ -+ return seq_open(file, &aa_fs_profiles_op); -+} -+ -+static int profiles_release(struct inode *inode, struct file *file) -+{ -+ return seq_release(inode, file); -+} -+ -+const struct file_operations aa_fs_profiles_fops = { -+ .open = profiles_open, -+ .read = seq_read, -+ .llseek = seq_lseek, -+ .release = profiles_release, -+}; -+#endif /* CONFIG_SECURITY_APPARMOR_COMPAT_24 */ -+ - /** Base file system setup **/ - - static struct aa_fs_entry aa_fs_entry_file[] = { -@@ -210,6 +438,9 @@ static struct aa_fs_entry aa_fs_entry_apparmor[] = { - AA_FS_FILE_FOPS(".load", 0640, &aa_fs_profile_load), - AA_FS_FILE_FOPS(".replace", 0640, &aa_fs_profile_replace), - AA_FS_FILE_FOPS(".remove", 0640, &aa_fs_profile_remove), -+#ifdef CONFIG_SECURITY_APPARMOR_COMPAT_24 -+ AA_FS_FILE_FOPS("profiles", 0640, &aa_fs_profiles_fops), -+#endif - AA_FS_DIR("features", aa_fs_entry_features), - { } - }; -diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c -index b21830e..a7d1a17 100644 ---- a/security/apparmor/lsm.c -+++ b/security/apparmor/lsm.c -@@ -614,7 +614,7 @@ 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 c44b6fe..932df30 100644 ---- a/security/commoncap.c -+++ b/security/commoncap.c -@@ -424,6 +424,32 @@ 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 -@@ -592,6 +618,9 @@ 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 a41c9c1..83da6dd 100644 ---- a/security/integrity/ima/ima.h -+++ b/security/integrity/ima/ima.h -@@ -97,8 +97,8 @@ int ima_init_crypto(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 1c03e8f1..398a941 100644 ---- a/security/integrity/ima/ima_api.c -+++ b/security/integrity/ima/ima_api.c -@@ -79,7 +79,7 @@ void ima_add_violation(struct inode *inode, const unsigned char *filename, - int result; - - /* can overflow, only indicator */ -- atomic_long_inc(&ima_htable.violations); -+ atomic_long_inc_unchecked(&ima_htable.violations); - - entry = kmalloc(sizeof(*entry), GFP_KERNEL); - if (!entry) { -diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c -index 38477c9..87a60c7 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 ff63fe0..809cd96 100644 ---- a/security/integrity/ima/ima_queue.c -+++ b/security/integrity/ima/ima_queue.c -@@ -80,7 +80,7 @@ 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/compat.c b/security/keys/compat.c -index d65fa7f..cbfe366 100644 ---- a/security/keys/compat.c -+++ b/security/keys/compat.c -@@ -44,7 +44,7 @@ static long compat_keyctl_instantiate_key_iov( - if (ret == 0) - goto no_payload_free; - -- ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid); -+ ret = keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, ioc, ret, ringid); - err: - if (iov != iovstack) - kfree(iov); -diff --git a/security/keys/internal.h b/security/keys/internal.h -index d4f1468..cc52f92 100644 ---- a/security/keys/internal.h -+++ b/security/keys/internal.h -@@ -242,7 +242,7 @@ extern long keyctl_instantiate_key_iov(key_serial_t, - extern long keyctl_invalidate_key(key_serial_t); - - extern long keyctl_instantiate_key_common(key_serial_t, -- const struct iovec *, -+ const struct iovec __user *, - unsigned, size_t, key_serial_t); - - /* -diff --git a/security/keys/key.c b/security/keys/key.c -index 8fb7c7b..ba3610d 100644 ---- a/security/keys/key.c -+++ b/security/keys/key.c -@@ -284,7 +284,7 @@ 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->type = type; - key->user = user; - key->quotalen = quotalen; -@@ -1032,7 +1032,9 @@ 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); -@@ -1044,7 +1046,7 @@ 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; -@@ -1066,7 +1068,7 @@ 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); -@@ -1084,10 +1086,10 @@ 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/keys/keyctl.c b/security/keys/keyctl.c -index 33cfd27..842fc5a 100644 ---- a/security/keys/keyctl.c -+++ b/security/keys/keyctl.c -@@ -987,7 +987,7 @@ static int keyctl_change_reqkey_auth(struct key *key) - /* - * Copy the iovec data from userspace - */ --static long copy_from_user_iovec(void *buffer, const struct iovec *iov, -+static long copy_from_user_iovec(void *buffer, const struct iovec __user *iov, - unsigned ioc) - { - for (; ioc > 0; ioc--) { -@@ -1009,7 +1009,7 @@ static long copy_from_user_iovec(void *buffer, const struct iovec *iov, - * If successful, 0 will be returned. - */ - long keyctl_instantiate_key_common(key_serial_t id, -- const struct iovec *payload_iov, -+ const struct iovec __user *payload_iov, - unsigned ioc, - size_t plen, - key_serial_t ringid) -@@ -1104,7 +1104,7 @@ long keyctl_instantiate_key(key_serial_t id, - [0].iov_len = plen - }; - -- return keyctl_instantiate_key_common(id, iov, 1, plen, ringid); -+ return keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, 1, plen, ringid); - } - - return keyctl_instantiate_key_common(id, NULL, 0, 0, ringid); -@@ -1137,7 +1137,7 @@ long keyctl_instantiate_key_iov(key_serial_t id, - if (ret == 0) - goto no_payload_free; - -- ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid); -+ ret = keyctl_instantiate_key_common(id, (const struct iovec __force_user *)iov, ioc, ret, ringid); - err: - if (iov != iovstack) - kfree(iov); -diff --git a/security/keys/keyring.c b/security/keys/keyring.c -index 6ece7f2..ecdb55c 100644 ---- a/security/keys/keyring.c -+++ b/security/keys/keyring.c -@@ -227,16 +227,16 @@ static long keyring_read(const struct key *keyring, - ret = -EFAULT; - - for (loop = 0; loop < klist->nkeys; loop++) { -+ key_serial_t serial; - key = rcu_deref_link_locked(klist, loop, - keyring); -+ serial = key->serial; - - tmp = sizeof(key_serial_t); - if (tmp > buflen) - tmp = buflen; - -- if (copy_to_user(buffer, -- &key->serial, -- tmp) != 0) -+ if (copy_to_user(buffer, &serial, tmp)) - goto error; - - buflen -= tmp; -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 a3dce87..9ca1435 100644 ---- a/security/security.c -+++ b/security/security.c -@@ -20,6 +20,7 @@ - #include <linux/ima.h> - #include <linux/evm.h> - #include <linux/fsnotify.h> -+#include <linux/mm.h> - #include <linux/mman.h> - #include <linux/mount.h> - #include <linux/personality.h> -@@ -32,8 +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 = { -+static struct security_operations *security_ops __read_only; -+static struct security_operations default_security_ops __read_only = { - .name = "default", - }; - -@@ -74,7 +75,9 @@ int __init security_init(void) - - void reset_security_ops(void) - { -+ pax_open_kernel(); - security_ops = &default_security_ops; -+ pax_close_kernel(); - } - - /* Save user chosen LSM */ -diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c -index 5c6f2cd..b4f945c 100644 ---- a/security/selinux/hooks.c -+++ b/security/selinux/hooks.c -@@ -96,8 +96,6 @@ - - #define NUM_SEL_MNT_OPTS 5 - --extern struct security_operations *security_ops; -- - /* SECMARK reference count */ - static atomic_t selinux_secmark_refcount = ATOMIC_INIT(0); - -@@ -5529,7 +5527,7 @@ 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", - - .ptrace_access_check = selinux_ptrace_access_check, -diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h -index 65f67cb..3f141ef 100644 ---- a/security/selinux/include/xfrm.h -+++ b/security/selinux/include/xfrm.h -@@ -50,7 +50,7 @@ int selinux_xfrm_decode_session(struct sk_buff *skb, u32 *sid, int ckall); - - static inline void selinux_xfrm_notify_policyload(void) - { -- atomic_inc(&flow_cache_genid); -+ atomic_inc_unchecked(&flow_cache_genid); - rt_genid_bump(&init_net); - } - #else -diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c -index d52c780..6431349 100644 ---- a/security/smack/smack_lsm.c -+++ b/security/smack/smack_lsm.c -@@ -3392,7 +3392,7 @@ 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/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 f0b756e..b129202 100644 ---- a/security/tomoyo/tomoyo.c -+++ b/security/tomoyo/tomoyo.c -@@ -503,7 +503,7 @@ 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 20ef514..4182bed 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 - select SECURITYFS - select SECURITY_PATH - default n -diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c -index 13c88fbc..f8c115e 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, -@@ -376,28 +376,24 @@ static struct security_operations yama_ops = { - #endif - - #ifdef CONFIG_SYSCTL -+static int zero __read_only; -+static int max_scope __read_only = YAMA_SCOPE_NO_ATTACH; -+ - static int yama_dointvec_minmax(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- int rc; -+ ctl_table_no_const yama_table; - - if (write && !capable(CAP_SYS_PTRACE)) - return -EPERM; - -- rc = proc_dointvec_minmax(table, write, buffer, lenp, ppos); -- if (rc) -- return rc; -- -+ yama_table = *table; - /* Lock the max value if it ever gets set. */ -- if (write && *(int *)table->data == *(int *)table->extra2) -- table->extra1 = table->extra2; -- -- return rc; -+ if (ptrace_scope == max_scope) -+ yama_table.extra1 = &max_scope; -+ return proc_dointvec_minmax(&yama_table, write, buffer, lenp, ppos); - } - --static int zero; --static int max_scope = YAMA_SCOPE_NO_ATTACH; -- - struct ctl_path yama_sysctl_path[] = { - { .procname = "kernel", }, - { .procname = "yama", }, -diff --git a/sound/aoa/codecs/onyx.c b/sound/aoa/codecs/onyx.c -index 4cedc69..e59d8a3 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 -@@ -753,7 +753,7 @@ 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; -@@ -765,8 +765,7 @@ 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 4c1cc51..16040040 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; -@@ -1234,10 +1234,10 @@ 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) { -@@ -1337,7 +1337,7 @@ 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; - } -@@ -1407,7 +1407,7 @@ 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; -@@ -1433,7 +1433,7 @@ 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; -@@ -1495,7 +1495,7 @@ 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; -@@ -1663,7 +1663,7 @@ 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 af49721..e85058e 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 f928181..33fb83d 100644 ---- a/sound/core/pcm_native.c -+++ b/sound/core/pcm_native.c -@@ -2819,11 +2819,11 @@ 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/seq/seq_device.c b/sound/core/seq/seq_device.c -index 040c60e..989a19a 100644 ---- a/sound/core/seq/seq_device.c -+++ b/sound/core/seq/seq_device.c -@@ -64,7 +64,7 @@ struct ops_list { - int argsize; /* argument size */ - - /* operators */ -- struct snd_seq_dev_ops ops; -+ struct snd_seq_dev_ops *ops; - - /* registered devices */ - struct list_head dev_list; /* list of devices */ -@@ -333,7 +333,7 @@ int snd_seq_device_register_driver(char *id, struct snd_seq_dev_ops *entry, - - mutex_lock(&ops->reg_mutex); - /* copy driver operators */ -- ops->ops = *entry; -+ ops->ops = entry; - ops->driver |= DRIVER_LOADED; - ops->argsize = argsize; - -@@ -463,7 +463,7 @@ static int init_device(struct snd_seq_device *dev, struct ops_list *ops) - dev->name, ops->id, ops->argsize, dev->argsize); - return -EINVAL; - } -- if (ops->ops.init_device(dev) >= 0) { -+ if (ops->ops->init_device(dev) >= 0) { - dev->status = SNDRV_SEQ_DEVICE_REGISTERED; - ops->num_init_devices++; - } else { -@@ -490,7 +490,7 @@ static int free_device(struct snd_seq_device *dev, struct ops_list *ops) - dev->name, ops->id, ops->argsize, dev->argsize); - return -EINVAL; - } -- if ((result = ops->ops.free_device(dev)) >= 0 || result == -ENXIO) { -+ if ((result = ops->ops->free_device(dev)) >= 0 || result == -ENXIO) { - dev->status = SNDRV_SEQ_DEVICE_FREE; - dev->driver_data = NULL; - ops->num_init_devices--; -diff --git a/sound/core/sound.c b/sound/core/sound.c -index f002bd9..c462985 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 4e0dd22..7a1f32c 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]; -@@ -697,7 +698,7 @@ 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 */ -@@ -705,7 +706,7 @@ static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream) - - msleep(50); - } -- ++(mts->open_count); -+ local_inc(&mts->open_count); - - return 0; - } -@@ -715,8 +716,7 @@ 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); -@@ -725,8 +725,8 @@ 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 b953fb4..1999c01 100644 ---- a/sound/drivers/opl4/opl4_lib.c -+++ b/sound/drivers/opl4/opl4_lib.c -@@ -29,7 +29,7 @@ MODULE_AUTHOR("Clemens Ladisch clemens@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 991018d..8984740 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 ea995af..f1bfa37 100644 ---- a/sound/firewire/amdtp.c -+++ b/sound/firewire/amdtp.c -@@ -389,7 +389,7 @@ static void queue_out_packet(struct amdtp_out_stream *s, unsigned int cycle) - ptr = s->pcm_buffer_pointer + data_blocks; - 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 += data_blocks; - if (s->pcm_period_pointer >= pcm->runtime->period_size) { -@@ -557,7 +557,7 @@ EXPORT_SYMBOL(amdtp_out_stream_pcm_pointer); - */ - void amdtp_out_stream_update(struct amdtp_out_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_out_stream_update); -diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h -index b680c5e..061b7a0 100644 ---- a/sound/firewire/amdtp.h -+++ b/sound/firewire/amdtp.h -@@ -139,7 +139,7 @@ static inline bool amdtp_out_streaming_error(struct amdtp_out_stream *s) - static inline void amdtp_out_stream_pcm_trigger(struct amdtp_out_stream *s, - struct snd_pcm_substream *pcm) - { -- ACCESS_ONCE(s->pcm) = pcm; -+ ACCESS_ONCE_RW(s->pcm) = pcm; - } - - 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 d428ffe..751ef78 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) { -@@ -307,7 +307,7 @@ 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; - } -@@ -340,7 +340,7 @@ 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); -@@ -433,10 +433,10 @@ 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 844a555..985ab83 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, -@@ -457,8 +457,8 @@ static int scs_remove(struct device *dev) - - 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 7d8803a..559f8d0 100644 ---- a/sound/oss/swarm_cs4297a.c -+++ b/sound/oss/swarm_cs4297a.c -@@ -2621,7 +2621,6 @@ static int __init cs4297a_init(void) - { - struct cs4297a_state *s; - u32 pwr, id; -- mm_segment_t fs; - int rval; - #ifndef CONFIG_BCM_CS4297A_CSWARM - u64 cfg; -@@ -2711,22 +2710,23 @@ 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/ymfpci/ymfpci.h b/sound/pci/ymfpci/ymfpci.h -index 4631a23..001ae57 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 22056c5..25d3244 100644 ---- a/sound/pci/ymfpci/ymfpci_main.c -+++ b/sound/pci/ymfpci/ymfpci_main.c -@@ -202,8 +202,8 @@ 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: -@@ -787,7 +787,7 @@ 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); - } -@@ -825,8 +825,8 @@ 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); - } - } -@@ -2421,7 +2421,7 @@ 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/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c -index 0f0bed6..c161e28 100644 ---- a/sound/soc/fsl/fsl_ssi.c -+++ b/sound/soc/fsl/fsl_ssi.c -@@ -657,7 +657,7 @@ static int fsl_ssi_probe(struct platform_device *pdev) - { - struct fsl_ssi_private *ssi_private; - int ret = 0; -- struct device_attribute *dev_attr = NULL; -+ device_attribute_no_const *dev_attr = NULL; - struct device_node *np = pdev->dev.of_node; - const char *p, *sprop; - const uint32_t *iprop; -diff --git a/sound/sound_core.c b/sound/sound_core.c -index 359753f..45759f4 100644 ---- a/sound/sound_core.c -+++ b/sound/sound_core.c -@@ -292,7 +292,7 @@ retry: - } - - device_create(sound_class, dev, MKDEV(SOUND_MAJOR, s->unit_minor), -- NULL, s->name+6); -+ NULL, "%s", s->name+6); - return s->unit_minor; - - fail: -diff --git a/tools/gcc/.gitignore b/tools/gcc/.gitignore -new file mode 100644 -index 0000000..50f2f2f ---- /dev/null -+++ b/tools/gcc/.gitignore -@@ -0,0 +1 @@ -+size_overflow_hash.h -diff --git a/tools/gcc/Makefile b/tools/gcc/Makefile -new file mode 100644 -index 0000000..144dbee ---- /dev/null -+++ b/tools/gcc/Makefile -@@ -0,0 +1,45 @@ -+#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$(GCCPLUGINS_DIR)/include -std=gnu99 -ggdb -+else -+HOSTLIBS := hostcxxlibs -+HOST_EXTRACXXFLAGS += -I$(GCCPLUGINS_DIR)/include -std=gnu++98 -ggdb -Wno-unused-parameter -+endif -+ -+$(HOSTLIBS)-$(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)-$(CONFIG_PAX_SIZE_OVERFLOW) += size_overflow_plugin.so -+$(HOSTLIBS)-$(CONFIG_PAX_LATENT_ENTROPY) += latent_entropy_plugin.so -+$(HOSTLIBS)-$(CONFIG_PAX_MEMORY_STRUCTLEAK) += structleak_plugin.so -+ -+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 -+size_overflow_plugin-objs := size_overflow_plugin.o -+latent_entropy_plugin-objs := latent_entropy_plugin.o -+structleak_plugin-objs := structleak_plugin.o -+ -+$(obj)/size_overflow_plugin.o: $(objtree)/$(obj)/size_overflow_hash.h -+ -+quiet_cmd_build_size_overflow_hash = GENHASH $@ -+ cmd_build_size_overflow_hash = \ -+ $(CONFIG_SHELL) $(srctree)/$(src)/generate_size_overflow_hash.sh -d $< -o $@ -+$(objtree)/$(obj)/size_overflow_hash.h: $(src)/size_overflow_hash.data FORCE -+ $(call if_changed,build_size_overflow_hash) -+ -+targets += size_overflow_hash.h -diff --git a/tools/gcc/checker_plugin.c b/tools/gcc/checker_plugin.c -new file mode 100644 -index 0000000..22f03c0 ---- /dev/null -+++ b/tools/gcc/checker_plugin.c -@@ -0,0 +1,172 @@ -+/* -+ * Copyright 2011 by the PaX Team pageexec@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-plugin.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tree.h" -+#include "tree-pass.h" -+#include "flags.h" -+#include "intl.h" -+#include "toplev.h" -+#include "plugin.h" -+//#include "expr.h" where are you... -+#include "diagnostic.h" -+#include "plugin-version.h" -+#include "tm.h" -+#include "function.h" -+#include "basic-block.h" -+#include "gimple.h" -+#include "rtl.h" -+#include "emit-rtl.h" -+#include "tree-flow.h" -+#include "target.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); -+ -+extern void print_gimple_stmt(FILE *, gimple, int, int); -+extern rtx emit_move_insn(rtx x, rtx y); -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info checker_plugin_info = { -+ .version = "201111150100", -+ .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..414fe5e ---- /dev/null -+++ b/tools/gcc/colorize_plugin.c -@@ -0,0 +1,151 @@ -+/* -+ * Copyright 2012-2013 by PaX Team pageexec@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-plugin.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tree.h" -+#include "tree-pass.h" -+#include "flags.h" -+#include "intl.h" -+#include "toplev.h" -+#include "plugin.h" -+#include "diagnostic.h" -+#include "plugin-version.h" -+#include "tm.h" -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info colorize_plugin_info = { -+ .version = "201302112000", -+ .help = NULL, -+}; -+ -+#define GREEN "\033[32m\033[2m" -+#define LIGHTGREEN "\033[32m\033[1m" -+#define YELLOW "\033[33m\033[2m" -+#define LIGHTYELLOW "\033[33m\033[1m" -+#define RED "\033[31m\033[2m" -+#define LIGHTRED "\033[31m\033[1m" -+#define BLUE "\033[34m\033[2m" -+#define LIGHTBLUE "\033[34m\033[1m" -+#define BRIGHT "\033[m\033[1m" -+#define NORMAL "\033[m" -+ -+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; -+} -+ -+struct simple_ipa_opt_pass pass_ipa_colorize_rearm = { -+ .pass = { -+ .type = SIMPLE_IPA_PASS, -+ .name = "colorize_rearm", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+ .gate = NULL, -+ .execute = execute_colorize_rearm, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0 -+ } -+}; -+ -+static void colorize_start_unit(void *gcc_data, void *user_data) -+{ -+ colorize_arm(); -+} -+ -+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 colorize_rearm_pass_info = { -+ .pass = &pass_ipa_colorize_rearm.pass, -+ .reference_pass_name = "*free_lang_data", -+ .ref_pass_instance_number = 1, -+ .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); -+ 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..c17312d ---- /dev/null -+++ b/tools/gcc/constify_plugin.c -@@ -0,0 +1,560 @@ -+/* -+ * Copyright 2011 by Emese Revfy re.emese@gmail.com -+ * Copyright 2011-2013 by PaX Team pageexec@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-plugin.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tree.h" -+#include "tree-pass.h" -+#include "flags.h" -+#include "intl.h" -+#include "toplev.h" -+#include "plugin.h" -+#include "diagnostic.h" -+#include "plugin-version.h" -+#include "tm.h" -+#include "function.h" -+#include "basic-block.h" -+#include "gimple.h" -+#include "rtl.h" -+#include "emit-rtl.h" -+#include "tree-flow.h" -+#include "target.h" -+#include "langhooks.h" -+ -+// 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) -+ -+// unused type flag in all versions 4.5-4.8 -+#define TYPE_CONSTIFY_VISITED(TYPE) TYPE_LANG_FLAG_4(TYPE) -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info const_plugin_info = { -+ .version = "201305231310", -+ .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) { -+ const_tree ptrtype = TREE_TYPE(TREE_TYPE(field)); -+ -+ if (TREE_CODE(ptrtype) != RECORD_TYPE && TREE_CODE(ptrtype) != UNION_TYPE) -+ continue; -+ if (TREE_TYPE(TREE_TYPE(field)) == type) -+ continue; -+ if (TYPE_MAIN_VARIANT(ptrtype) == TYPE_MAIN_VARIANT(type)) { -+ TREE_TYPE(field) = copy_node(TREE_TYPE(field)); -+ TREE_TYPE(TREE_TYPE(field)) = type; -+ } -+ 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) = 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", name); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) == PARM_DECL) { -+ error("%qE attribute does not apply to function parameters", name); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) == VAR_DECL) { -+ error("%qE attribute does not apply to variables", name); -+ return NULL_TREE; -+ } -+ -+ if (TYPE_P(*node)) { -+ *no_add_attrs = false; -+ 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 applies to struct and union types only", name); -+ return NULL_TREE; -+ } -+ -+ if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(type))) { -+ error("%qE attribute is already applied to the type", name); -+ return NULL_TREE; -+ } -+ -+ if (TYPE_P(*node)) { -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) -+ error("%qE attribute is incompatible with 'do_const'", name); -+ 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; -+ } -+ -+ error("%qE attribute used on type that is not constified", name); -+ 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) = 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", name); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) != RECORD_TYPE && TREE_CODE(*node) != UNION_TYPE) { -+ error("%qE attribute applies to struct and union types only", name); -+ return NULL_TREE; -+ } -+ -+ if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(*node))) { -+ error("%qE attribute is already applied to the type", name); -+ return NULL_TREE; -+ } -+ -+ if (lookup_attribute("no_const", TYPE_ATTRIBUTES(*node))) { -+ error("%qE attribute is incompatible with 'no_const'", name); -+ 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 (TYPE_FIELDS(type) == NULL_TREE || TYPE_CONSTIFY_VISITED(type)) -+ return; -+ -+ constifiable(type, &cinfo); -+ -+ if (TYPE_READONLY(type) && C_TYPE_FIELDS_READONLY(type)) { -+ if (!lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) -+ return; -+ if (cinfo.has_writable_field) -+ return; -+ error("'do_const' attribute used on type that is%sconstified", cinfo.has_fptr_field ? " " : " not "); -+ return; -+ } -+ -+ 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 that is not constified"); -+ return; -+ } -+ -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) { -+ constify_type(type); -+ return; -+ } -+ -+ if (cinfo.has_fptr_field && !cinfo.has_writable_field) { -+ constify_type(type); -+ return; -+ } -+ -+ deconstify_type(type); -+ TYPE_CONSTIFY_VISITED(type) = 1; -+} -+ -+static void check_global_variables(void) -+{ -+ struct varpool_node *node; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ for (node = varpool_nodes; node; node = node->next) { -+ tree var = node->decl; -+#else -+ FOR_EACH_VARIABLE(node) { -+ tree var = node->symbol.decl; -+#endif -+ 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; -+ -+#if BUILDING_GCC_VERSION == 4005 -+ tree vars; -+#else -+ unsigned int i; -+#endif -+ -+#if BUILDING_GCC_VERSION == 4005 -+ for (vars = cfun->local_decls; vars; vars = TREE_CHAIN(vars)) { -+ var = TREE_VALUE(vars); -+#else -+ FOR_EACH_LOCAL_DECL(cfun, i, var) { -+#endif -+ 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; -+} -+ -+static unsigned int check_variables(void) -+{ -+ check_global_variables(); -+ return check_local_variables(); -+} -+ -+ unsigned int ret = 0; -+static struct gimple_opt_pass pass_local_variable = { -+ { -+ .type = GIMPLE_PASS, -+ .name = "check_variables", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+ .gate = NULL, -+ .execute = check_variables, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0 -+ } -+}; -+ -+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 local_variable_pass_info = { -+ .pass = &pass_local_variable.pass, -+ .reference_pass_name = "ssa", -+ .ref_pass_instance_number = 1, -+ .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 (strcmp(lang_hooks.name, "GNU C")) { -+ inform(UNKNOWN_LOCATION, G_("%s supports C only"), plugin_name); -+ constify = false; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &const_plugin_info); -+ if (constify) { -+ register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &local_variable_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/generate_size_overflow_hash.sh b/tools/gcc/generate_size_overflow_hash.sh -new file mode 100644 -index 0000000..e518932 ---- /dev/null -+++ b/tools/gcc/generate_size_overflow_hash.sh -@@ -0,0 +1,94 @@ -+#!/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 -+ -+usage() { -+cat <<EOF -+usage: $0 options -+OPTIONS: -+ -h|--help help -+ -o header file -+ -d database file -+ -n hash array size -+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="$2"; shift 2;; -+ --) shift 1; break ;; -+ *) break ;; -+ esac -+done -+ -+create_defines() { -+ for i in `seq 0 31` -+ do -+ echo -e "#define PARAM"$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" >> "$header1" -+ done -+} -+ -+create_headers() { -+ echo "const struct size_overflow_hash * const size_overflow_hash[$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 -+} -+ -+create_structs -+create_headers -+create_array_elements -+ -+exit 0 -diff --git a/tools/gcc/kallocstat_plugin.c b/tools/gcc/kallocstat_plugin.c -new file mode 100644 -index 0000000..568b360 ---- /dev/null -+++ b/tools/gcc/kallocstat_plugin.c -@@ -0,0 +1,170 @@ -+/* -+ * Copyright 2011-2013 by the PaX Team pageexec@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-plugin.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tree.h" -+#include "tree-pass.h" -+#include "flags.h" -+#include "intl.h" -+#include "toplev.h" -+#include "plugin.h" -+//#include "expr.h" where are you... -+#include "diagnostic.h" -+#include "plugin-version.h" -+#include "tm.h" -+#include "function.h" -+#include "basic-block.h" -+#include "gimple.h" -+#include "rtl.h" -+#include "emit-rtl.h" -+ -+extern void print_gimple_stmt(FILE *, gimple, int, int); -+ -+int plugin_is_GPL_compatible; -+ -+static const char * const kalloc_functions[] = { -+ "__kmalloc", -+ "kmalloc", -+ "kmalloc_large", -+ "kmalloc_node", -+ "kmalloc_order", -+ "kmalloc_order_trace", -+ "kmalloc_slab", -+ "kzalloc", -+ "kzalloc_node", -+}; -+ -+static struct plugin_info kallocstat_plugin_info = { -+ .version = "201302112000", -+}; -+ -+static unsigned int execute_kallocstat(void); -+ -+static struct gimple_opt_pass kallocstat_pass = { -+ .pass = { -+ .type = GIMPLE_PASS, -+ .name = "kallocstat", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+ .gate = NULL, -+ .execute = execute_kallocstat, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0 -+ } -+}; -+ -+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(bb) { -+ gimple_stmt_iterator gsi; -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ // gimple match: -+ tree fndecl, size; -+ gimple call_stmt; -+ const char *fnname; -+ -+ // is it a call -+ call_stmt = gsi_stmt(gsi); -+ if (!is_gimple_call(call_stmt)) -+ continue; -+ fndecl = gimple_call_fndecl(call_stmt); -+ if (fndecl == NULL_TREE) -+ continue; -+ if (TREE_CODE(fndecl) != FUNCTION_DECL) -+ continue; -+ -+ // is it a call to k*alloc -+ fnname = IDENTIFIER_POINTER(DECL_NAME(fndecl)); -+ if (!is_kalloc(fnname)) -+ continue; -+ -+ // is the size arg the result of a simple const assignment -+ size = gimple_call_arg(call_stmt, 0); -+ while (true) { -+ gimple def_stmt; -+ expanded_location xloc; -+ size_t size_val; -+ -+ if (TREE_CODE(size) != SSA_NAME) -+ break; -+ def_stmt = SSA_NAME_DEF_STMT(size); -+ if (!def_stmt || !is_gimple_assign(def_stmt)) -+ break; -+ if (gimple_num_ops(def_stmt) != 2) -+ break; -+ size = gimple_assign_rhs1(def_stmt); -+ if (!TREE_CONSTANT(size)) -+ continue; -+ xloc = expand_location(gimple_location(def_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; -+ } -+//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO); -+//debug_tree(gimple_call_fn(call_stmt)); -+//print_node(stderr, "pax", fndecl, 4); -+ } -+ } -+ -+ return 0; -+} -+ -+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 = { -+ .pass = &kallocstat_pass.pass, -+ .reference_pass_name = "ssa", -+ .ref_pass_instance_number = 1, -+ .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..257529f ---- /dev/null -+++ b/tools/gcc/kernexec_plugin.c -@@ -0,0 +1,471 @@ -+/* -+ * Copyright 2011-2013 by the PaX Team pageexec@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-plugin.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tree.h" -+#include "tree-pass.h" -+#include "flags.h" -+#include "intl.h" -+#include "toplev.h" -+#include "plugin.h" -+//#include "expr.h" where are you... -+#include "diagnostic.h" -+#include "plugin-version.h" -+#include "tm.h" -+#include "function.h" -+#include "basic-block.h" -+#include "gimple.h" -+#include "rtl.h" -+#include "emit-rtl.h" -+#include "tree-flow.h" -+ -+extern void print_gimple_stmt(FILE *, gimple, int, int); -+extern rtx emit_move_insn(rtx x, rtx y); -+ -+#if BUILDING_GCC_VERSION <= 4006 -+#define ANY_RETURN_P(rtx) (GET_CODE(rtx) == RETURN) -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4008 -+#define TODO_dump_func 0 -+#endif -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info kernexec_plugin_info = { -+ .version = "201308230150", -+ .help = "method=[bts|or]\tinstrumentation method\n" -+}; -+ -+static unsigned int execute_kernexec_reload(void); -+static unsigned int execute_kernexec_fptr(void); -+static unsigned int execute_kernexec_retaddr(void); -+static bool kernexec_cmodel_check(void); -+ -+static void (*kernexec_instrument_fptr)(gimple_stmt_iterator *); -+static void (*kernexec_instrument_retaddr)(rtx); -+ -+static struct gimple_opt_pass kernexec_reload_pass = { -+ .pass = { -+ .type = GIMPLE_PASS, -+ .name = "kernexec_reload", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+ .gate = kernexec_cmodel_check, -+ .execute = execute_kernexec_reload, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .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 -+ } -+}; -+ -+static struct gimple_opt_pass kernexec_fptr_pass = { -+ .pass = { -+ .type = GIMPLE_PASS, -+ .name = "kernexec_fptr", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+ .gate = kernexec_cmodel_check, -+ .execute = execute_kernexec_fptr, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .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 -+ } -+}; -+ -+static struct rtl_opt_pass kernexec_retaddr_pass = { -+ .pass = { -+ .type = RTL_PASS, -+ .name = "kernexec_retaddr", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+ .gate = kernexec_cmodel_check, -+ .execute = execute_kernexec_retaddr, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .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 -+ } -+}; -+ -+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; -+} -+ -+/* -+ * add special KERNEXEC instrumentation: reload %r10 after it has been clobbered -+ */ -+static void kernexec_reload_fptr_mask(gimple_stmt_iterator *gsi) -+{ -+ gimple asm_movabs_stmt; -+ -+ // build asm volatile("movabs $0x8000000000000000, %%r10\n\t" : : : ); -+ asm_movabs_stmt = gimple_build_asm_vec("movabs $0x8000000000000000, %%r10\n\t", NULL, NULL, NULL, NULL); -+ 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 r10 and add a reload of r10 -+ */ -+static unsigned int execute_kernexec_reload(void) -+{ -+ basic_block bb; -+ -+ // 1. loop through BBs and GIMPLE statements -+ FOR_EACH_BB(bb) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ // gimple match: __asm__ ("" : : : "r10"); -+ gimple asm_stmt; -+ size_t nclobbers; -+ -+ // is it an asm ... -+ asm_stmt = gsi_stmt(gsi); -+ if (gimple_code(asm_stmt) != GIMPLE_ASM) -+ continue; -+ -+ // ... clobbering r10 -+ 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)), "r10")) -+ 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, call_stmt; -+ tree intptr, orptr, old_fptr, new_fptr, kernexec_mask; -+ -+ call_stmt = 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"); -+#if BUILDING_GCC_VERSION <= 4007 -+ add_referenced_var(intptr); -+#endif -+ 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"); -+#if BUILDING_GCC_VERSION <= 4007 -+ add_referenced_var(new_fptr); -+#endif -+ 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 asm_or_stmt, 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 = 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"); -+#if BUILDING_GCC_VERSION <= 4007 -+ add_referenced_var(new_fptr); -+#endif -+ new_fptr = make_ssa_name(new_fptr, NULL); -+ -+ // build asm volatile("orq %%r10, %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 -+ asm_or_stmt = gimple_build_asm_vec("orq %%r10, %0\n\t", inputs, outputs, NULL, NULL); -+ 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(bb) { -+ 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 call_stmt; -+ -+ // is it a call ... -+ call_stmt = gsi_stmt(gsi); -+ if (!is_gimple_call(call_stmt)) -+ continue; -+ 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 %r10,(%rsp) just before retn -+static void kernexec_instrument_retaddr_or(rtx insn) -+{ -+ rtx orq; -+ rtvec argvec, constraintvec, labelvec; -+ int line; -+ -+ // create asm volatile("orq %%r10,(%%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 %%r10,(%%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; -+ -+ // 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; -+} -+ -+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 = { -+ .pass = &kernexec_reload_pass.pass, -+ .reference_pass_name = "ssa", -+ .ref_pass_instance_number = 1, -+ .pos_op = PASS_POS_INSERT_AFTER -+ }; -+ struct register_pass_info kernexec_fptr_pass_info = { -+ .pass = &kernexec_fptr_pass.pass, -+ .reference_pass_name = "ssa", -+ .ref_pass_instance_number = 1, -+ .pos_op = PASS_POS_INSERT_AFTER -+ }; -+ struct register_pass_info kernexec_retaddr_pass_info = { -+ .pass = &kernexec_retaddr_pass.pass, -+ .reference_pass_name = "pro_and_epilogue", -+ .ref_pass_instance_number = 1, -+ .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("r10", 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..2ef6fd9 ---- /dev/null -+++ b/tools/gcc/latent_entropy_plugin.c -@@ -0,0 +1,321 @@ -+/* -+ * Copyright 2012-2013 by the PaX Team pageexec@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 during boot in 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: -+ * - LTO needs -flto-partition=none for now -+ */ -+#include "gcc-plugin.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tree.h" -+#include "tree-pass.h" -+#include "flags.h" -+#include "intl.h" -+#include "toplev.h" -+#include "plugin.h" -+//#include "expr.h" where are you... -+#include "diagnostic.h" -+#include "plugin-version.h" -+#include "tm.h" -+#include "function.h" -+#include "basic-block.h" -+#include "gimple.h" -+#include "rtl.h" -+#include "emit-rtl.h" -+#include "tree-flow.h" -+#include "langhooks.h" -+ -+#if BUILDING_GCC_VERSION >= 4008 -+#define TODO_dump_func 0 -+#endif -+ -+int plugin_is_GPL_compatible; -+ -+static tree latent_entropy_decl; -+ -+static struct plugin_info latent_entropy_plugin_info = { -+ .version = "201308230230", -+ .help = NULL -+}; -+ -+static unsigned int execute_latent_entropy(void); -+static bool gate_latent_entropy(void); -+ -+static struct gimple_opt_pass latent_entropy_pass = { -+ .pass = { -+ .type = GIMPLE_PASS, -+ .name = "latent_entropy", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+ .gate = gate_latent_entropy, -+ .execute = execute_latent_entropy, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .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 -+ } -+}; -+ -+static tree handle_latent_entropy_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ if (TREE_CODE(*node) != FUNCTION_DECL) { -+ *no_add_attrs = true; -+ error("%qE attribute only applies to functions", name); -+ } -+ 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) -+{ -+ tree latent_entropy_attr; -+ -+ latent_entropy_attr = lookup_attribute("latent_entropy", DECL_ATTRIBUTES(current_function_decl)); -+ return latent_entropy_attr != NULL_TREE; -+} -+ -+static unsigned HOST_WIDE_INT seed; -+static unsigned HOST_WIDE_INT get_random_const(void) -+{ -+ seed = (seed >> 1U) ^ (-(seed & 1ULL) & 0xD800000000000000ULL); -+ return seed; -+} -+ -+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"); -+#if BUILDING_GCC_VERSION <= 4007 -+ add_referenced_var(temp); -+#endif -+ -+ // 2. read... -+ temp = make_ssa_name(temp, NULL); -+ assign = gimple_build_assign(temp, latent_entropy_decl); -+ SSA_NAME_DEF_STMT(temp) = assign; -+#if BUILDING_GCC_VERSION <= 4007 -+ add_referenced_var(latent_entropy_decl); -+#endif -+ 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) { -+ struct varpool_node *node; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ for (node = varpool_nodes; node; node = node->next) { -+ tree var = node->decl; -+#else -+ FOR_EACH_VARIABLE(node) { -+ tree var = node->symbol.decl; -+#endif -+ 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"); -+#if BUILDING_GCC_VERSION <= 4007 -+ add_referenced_var(local_entropy); -+ mark_sym_for_renaming(local_entropy); -+#endif -+ -+ // 2. initialize local entropy variable -+ bb = split_block_after_labels(ENTRY_BLOCK_PTR)->dest; -+ if (dom_info_available_p(CDI_DOMINATORS)) -+ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR); -+ 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); -+ bb = bb->next_bb; -+ -+ // 3. instrument each BB with an operation on the local entropy variable -+ while (bb != EXIT_BLOCK_PTR) { -+ perturb_local_entropy(bb, local_entropy); -+//debug_bb(bb); -+ bb = bb->next_bb; -+ }; -+ -+ // 4. mix local entropy into the global entropy variable -+ perturb_latent_entropy(EXIT_BLOCK_PTR->prev_bb, local_entropy); -+//debug_bb(EXIT_BLOCK_PTR->prev_bb); -+ return 0; -+} -+ -+static void start_unit_callback(void *gcc_data, void *user_data) -+{ -+ tree latent_entropy_type; -+ -+#if BUILDING_GCC_VERSION >= 4007 -+ seed = get_random_seed(false); -+#else -+ sscanf(get_random_seed(false), "%" HOST_WIDE_INT_PRINT "x", &seed); -+ seed *= seed; -+#endif -+ -+ 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; -+ TREE_THIS_VOLATILE(latent_entropy_decl) = 1; -+ DECL_EXTERNAL(latent_entropy_decl) = 1; -+ DECL_ARTIFICIAL(latent_entropy_decl) = 1; -+ DECL_INITIAL(latent_entropy_decl) = NULL; -+ 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); -+} -+ -+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 = { -+ .pass = &latent_entropy_pass.pass, -+ .reference_pass_name = "optimized", -+ .ref_pass_instance_number = 1, -+ .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, &latent_entropy_plugin_info); -+ register_callback ("start_unit", PLUGIN_START_UNIT, &start_unit_callback, NULL); -+ 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/size_overflow_hash.data b/tools/gcc/size_overflow_hash.data -new file mode 100644 -index 0000000..b04803b ---- /dev/null -+++ b/tools/gcc/size_overflow_hash.data -@@ -0,0 +1,6350 @@ -+intel_fake_agp_alloc_by_type_1 intel_fake_agp_alloc_by_type 1 1 NULL -+batadv_orig_node_del_if_4 batadv_orig_node_del_if 2 4 NULL -+storvsc_connect_to_vsp_22 storvsc_connect_to_vsp 2 22 NULL -+compat_sock_setsockopt_23 compat_sock_setsockopt 5 23 NULL -+carl9170_alloc_27 carl9170_alloc 1 27 NULL -+sel_read_policyvers_55 sel_read_policyvers 3 55 NULL nohasharray -+padzero_55 padzero 1 55 &sel_read_policyvers_55 -+cfg80211_disconnected_57 cfg80211_disconnected 4 57 NULL -+__skb_to_sgvec_72 __skb_to_sgvec 0 72 NULL -+crypto_authenc_setkey_80 crypto_authenc_setkey 3 80 NULL -+snd_korg1212_copy_to_92 snd_korg1212_copy_to 6 92 NULL -+load_msg_95 load_msg 2 95 NULL -+device_flush_iotlb_115 device_flush_iotlb 2-3 115 NULL -+init_q_132 init_q 4 132 NULL -+memstick_alloc_host_142 memstick_alloc_host 1 142 NULL -+hva_to_gfn_memslot_149 hva_to_gfn_memslot 0-1 149 NULL -+tracing_trace_options_write_153 tracing_trace_options_write 3 153 NULL -+nvme_create_queue_170 nvme_create_queue 3 170 NULL -+xfs_buf_item_get_format_189 xfs_buf_item_get_format 2 189 NULL -+iscsi_session_setup_196 iscsi_session_setup 4-5 196 NULL -+virtblk_add_req_197 virtblk_add_req 2-3 197 NULL -+proc_scsi_write_proc_267 proc_scsi_write_proc 3 267 NULL -+br_port_info_size_268 br_port_info_size 0 268 NULL -+generic_file_direct_write_291 generic_file_direct_write 0 291 NULL -+read_file_war_stats_292 read_file_war_stats 3 292 NULL -+SYSC_connect_304 SYSC_connect 3 304 NULL -+syslog_print_307 syslog_print 2 307 NULL -+platform_device_add_data_310 platform_device_add_data 3 310 NULL -+dn_setsockopt_314 dn_setsockopt 5 314 NULL -+next_node_allowed_318 next_node_allowed 1 318 NULL -+compat_sys_ioctl_333 compat_sys_ioctl 3 333 NULL -+btmrvl_txdnldready_read_413 btmrvl_txdnldready_read 3 413 NULL -+lbs_rdmac_read_418 lbs_rdmac_read 3 418 NULL -+snd_ca0106_ptr_read_467 snd_ca0106_ptr_read 0 467 NULL -+_alloc_get_attr_desc_470 _alloc_get_attr_desc 2 470 NULL -+dccp_manip_pkt_476 dccp_manip_pkt 4 476 NULL -+nvme_trans_modesel_data_488 nvme_trans_modesel_data 4 488 NULL -+pidlist_resize_496 pidlist_resize 2 496 NULL -+read_vbt_r0_503 read_vbt_r0 1 503 NULL -+rx_rx_defrag_end_read_505 rx_rx_defrag_end_read 3 505 NULL -+ocfs2_validate_meta_ecc_bhs_527 ocfs2_validate_meta_ecc_bhs 0 527 NULL -+zlib_deflate_workspacesize_537 zlib_deflate_workspacesize 0 537 NULL -+iwl_dbgfs_wowlan_sram_read_540 iwl_dbgfs_wowlan_sram_read 3 540 NULL -+dle_count_543 dle_count 0 543 NULL -+devres_alloc_551 devres_alloc 2 551 NULL -+snd_aw2_saa7146_get_hw_ptr_playback_558 snd_aw2_saa7146_get_hw_ptr_playback 0 558 NULL -+dev_hard_header_565 dev_hard_header 0 565 NULL nohasharray -+start_isoc_chain_565 start_isoc_chain 2 565 &dev_hard_header_565 -+compat_sys_preadv_583 compat_sys_preadv 3 583 NULL -+smk_write_load_self2_591 smk_write_load_self2 3 591 NULL -+ni_gpct_device_construct_610 ni_gpct_device_construct 5 610 NULL -+fuse_request_alloc_nofs_617 fuse_request_alloc_nofs 1 617 NULL -+compat_sys_shmat_620 compat_sys_shmat 3 620 NULL -+isp1760_register_628 isp1760_register 1-2 628 NULL -+clone_split_bio_633 clone_split_bio 6 633 NULL -+ceph_osdc_new_request_635 ceph_osdc_new_request 6 635 NULL -+remap_to_cache_640 remap_to_cache 3 640 NULL -+drbd_bm_find_next_643 drbd_bm_find_next 2 643 NULL -+unlink_queued_645 unlink_queued 3-4 645 NULL -+dtim_interval_read_654 dtim_interval_read 3 654 NULL -+mem_rx_free_mem_blks_read_675 mem_rx_free_mem_blks_read 3 675 NULL -+rtl8169_try_rx_copy_705 rtl8169_try_rx_copy 3 705 NULL -+persistent_ram_vmap_709 persistent_ram_vmap 1-2 709 NULL -+ipath_resize_cq_712 ipath_resize_cq 2 712 NULL -+disk_max_parts_719 disk_max_parts 0 719 NULL -+sctp_setsockopt_peer_addr_params_734 sctp_setsockopt_peer_addr_params 3 734 NULL -+dvb_video_write_754 dvb_video_write 3 754 NULL -+if_writecmd_815 if_writecmd 2 815 NULL -+aac_change_queue_depth_825 aac_change_queue_depth 2 825 NULL -+read_fifo_826 read_fifo 3 826 NULL -+um_idi_read_850 um_idi_read 3 850 NULL -+ieee80211_if_fmt_rc_rateidx_mcs_mask_5ghz_856 ieee80211_if_fmt_rc_rateidx_mcs_mask_5ghz 3 856 NULL -+o2net_send_message_vec_879 o2net_send_message_vec 4 879 NULL nohasharray -+iwl_dbgfs_fh_reg_read_879 iwl_dbgfs_fh_reg_read 3 879 &o2net_send_message_vec_879 -+snd_pcm_action_single_905 snd_pcm_action_single 0 905 NULL -+btmrvl_hsstate_read_920 btmrvl_hsstate_read 3 920 NULL -+carl9170_cmd_buf_950 carl9170_cmd_buf 3 950 NULL -+get_ramdisk_size_954 get_ramdisk_size 0 954 NULL -+__nodes_weight_956 __nodes_weight 2-0 956 NULL -+sys_msgrcv_959 sys_msgrcv 3 959 NULL -+pte_prefetch_gfn_to_pfn_997 pte_prefetch_gfn_to_pfn 2 997 NULL nohasharray -+hdlcdev_rx_997 hdlcdev_rx 3 997 &pte_prefetch_gfn_to_pfn_997 -+dm_cache_set_dirty_1016 dm_cache_set_dirty 2 1016 NULL -+_do_truncate_1019 _do_truncate 2 1019 NULL -+smk_write_cipso2_1021 smk_write_cipso2 3 1021 NULL -+gigaset_initdriver_1060 gigaset_initdriver 2 1060 NULL -+Read_hfc16_1070 Read_hfc16 0 1070 NULL -+mce_request_packet_1073 mce_request_packet 3 1073 NULL -+agp_create_memory_1075 agp_create_memory 1 1075 NULL -+_scsih_adjust_queue_depth_1083 _scsih_adjust_queue_depth 2 1083 NULL -+nfs_pgarray_set_1085 nfs_pgarray_set 2 1085 NULL -+llcp_sock_sendmsg_1092 llcp_sock_sendmsg 4 1092 NULL -+nfs4_init_nonuniform_client_string_1097 nfs4_init_nonuniform_client_string 3 1097 NULL -+sys_mremap_1107 sys_mremap 5-1-2 1107 NULL -+cfg80211_report_obss_beacon_1133 cfg80211_report_obss_beacon 3 1133 NULL -+vmalloc_32_1135 vmalloc_32 1 1135 NULL -+dec_zcache_eph_zpages_1138 dec_zcache_eph_zpages 1 1138 NULL -+i2400m_rx_ctl_1157 i2400m_rx_ctl 4 1157 NULL -+ipc_alloc_1192 ipc_alloc 1 1192 NULL -+ib_create_send_mad_1196 ib_create_send_mad 5 1196 NULL -+i2400m_rx_ctl_ack_1199 i2400m_rx_ctl_ack 3 1199 NULL -+dgrp_dpa_read_1204 dgrp_dpa_read 3 1204 NULL -+i2cdev_read_1206 i2cdev_read 3 1206 NULL -+ipw_packet_received_skb_1230 ipw_packet_received_skb 2 1230 NULL -+acpi_battery_write_alarm_1240 acpi_battery_write_alarm 3 1240 NULL -+nested_get_page_1252 nested_get_page 2 1252 NULL -+ocfs2_extend_file_1266 ocfs2_extend_file 3 1266 NULL -+qla4xxx_change_queue_depth_1268 qla4xxx_change_queue_depth 2 1268 NULL -+ioctl_private_iw_point_1273 ioctl_private_iw_point 7 1273 NULL -+batadv_tt_prepare_packet_buff_1280 batadv_tt_prepare_packet_buff 4 1280 NULL -+tx_frag_in_process_called_read_1290 tx_frag_in_process_called_read 3 1290 NULL -+wm_adsp_buf_alloc_1317 wm_adsp_buf_alloc 2 1317 NULL -+compat_put_u64_1319 compat_put_u64 1 1319 NULL -+ffs_1322 ffs 0 1322 NULL -+qlcnic_pci_sriov_configure_1327 qlcnic_pci_sriov_configure 2 1327 NULL -+carl9170_rx_stream_1334 carl9170_rx_stream 3 1334 NULL -+btrfs_submit_compressed_write_1347 btrfs_submit_compressed_write 5 1347 NULL -+gen_pool_best_fit_1348 gen_pool_best_fit 2-3-4 1348 NULL -+io_mapping_create_wc_1354 io_mapping_create_wc 1-2 1354 NULL -+snd_pcm_lib_write1_1358 snd_pcm_lib_write1 0-3 1358 NULL -+ipx_sendmsg_1362 ipx_sendmsg 4 1362 NULL -+iov_num_pages_1364 iov_num_pages 0 1364 NULL -+fw_stats_raw_read_1369 fw_stats_raw_read 3 1369 NULL -+ocfs2_prepare_inode_for_write_1372 ocfs2_prepare_inode_for_write 3 1372 NULL -+sctp_setsockopt_initmsg_1383 sctp_setsockopt_initmsg 3 1383 NULL -+do_msgsnd_1387 do_msgsnd 4 1387 NULL -+zone_page_state_1393 zone_page_state 0 1393 NULL -+file_read_actor_1401 file_read_actor 4 1401 NULL -+vb2_dc_get_user_pages_1442 vb2_dc_get_user_pages 1-3 1442 NULL -+stack_max_size_read_1445 stack_max_size_read 3 1445 NULL -+tx_queue_len_read_1463 tx_queue_len_read 3 1463 NULL -+xprt_alloc_1475 xprt_alloc 2 1475 NULL -+SYSC_syslog_1477 SYSC_syslog 3 1477 NULL -+sta_num_ps_buf_frames_read_1488 sta_num_ps_buf_frames_read 3 1488 NULL -+posix_acl_permission_1495 posix_acl_permission 0 1495 NULL -+tomoyo_round2_1518 tomoyo_round2 0 1518 NULL -+__vfio_dma_map_1523 __vfio_dma_map 3 1523 NULL -+alloc_perm_bits_1532 alloc_perm_bits 2 1532 NULL -+ath6kl_init_get_fwcaps_1557 ath6kl_init_get_fwcaps 3 1557 NULL -+ieee80211_if_read_dot11MeshHWMPnetDiameterTraversalTime_1589 ieee80211_if_read_dot11MeshHWMPnetDiameterTraversalTime 3 1589 NULL -+fc_frame_alloc_1596 fc_frame_alloc 2 1596 NULL -+packet_buffer_init_1607 packet_buffer_init 2 1607 NULL -+btmrvl_hscmd_read_1614 btmrvl_hscmd_read 3 1614 NULL -+v9fs_fid_xattr_get_1618 v9fs_fid_xattr_get 0 1618 NULL -+btmrvl_hsmode_read_1647 btmrvl_hsmode_read 3 1647 NULL -+ikconfig_read_current_1658 ikconfig_read_current 3 1658 NULL -+mei_cl_recv_1665 mei_cl_recv 3 1665 NULL -+netdev_feature_string_1667 netdev_feature_string 0 1667 NULL -+compat_x25_ioctl_1674 compat_x25_ioctl 3 1674 NULL -+rmap_add_1677 rmap_add 3 1677 NULL -+configfs_read_file_1683 configfs_read_file 3 1683 NULL -+coda_psdev_write_1711 coda_psdev_write 3 1711 NULL -+btrfs_dir_data_len_1714 btrfs_dir_data_len 0 1714 NULL -+dma_memcpy_pg_to_iovec_1725 dma_memcpy_pg_to_iovec 6 1725 NULL -+tx_frag_called_read_1748 tx_frag_called_read 3 1748 NULL -+compat_cdrom_generic_command_1756 compat_cdrom_generic_command 4 1756 NULL -+ieee80211_new_mesh_header_1761 ieee80211_new_mesh_header 0 1761 NULL -+ebt_size_mwt_1768 ebt_size_mwt 0 1768 NULL -+cosa_write_1774 cosa_write 3 1774 NULL -+update_macheader_1775 update_macheader 7 1775 NULL -+dec_zcache_pers_zbytes_1779 dec_zcache_pers_zbytes 1 1779 NULL -+fcoe_ctlr_device_add_1793 fcoe_ctlr_device_add 3 1793 NULL -+__nodelist_scnprintf_1815 __nodelist_scnprintf 0-2-4 1815 NULL -+alloc_pages_exact_1892 alloc_pages_exact 1 1892 NULL -+rx_defrag_called_read_1897 rx_defrag_called_read 3 1897 NULL -+nfs_parse_server_name_1899 nfs_parse_server_name 2 1899 NULL -+SyS_add_key_1900 SyS_add_key 4 1900 NULL -+isku_sysfs_write_keys_media_1910 isku_sysfs_write_keys_media 6 1910 NULL -+tx_tx_retry_data_read_1926 tx_tx_retry_data_read 3 1926 NULL -+memblock_alloc_base_1938 memblock_alloc_base 1-2 1938 NULL -+cyttsp_probe_1940 cyttsp_probe 4 1940 NULL -+ieee80211_if_fmt_dot11MeshConfirmTimeout_1945 ieee80211_if_fmt_dot11MeshConfirmTimeout 3 1945 NULL -+read_swap_header_1957 read_swap_header 0 1957 NULL -+ivtv_v4l2_read_1964 ivtv_v4l2_read 3 1964 NULL -+sel_read_avc_hash_stats_1984 sel_read_avc_hash_stats 3 1984 NULL -+__alloc_bootmem_node_1992 __alloc_bootmem_node 2-3 1992 NULL -+atomic_read_unchecked_1995 atomic_read_unchecked 0 1995 NULL -+batadv_tt_commit_changes_2008 batadv_tt_commit_changes 4 2008 NULL -+sep_prepare_input_dma_table_2009 sep_prepare_input_dma_table 2-3 2009 NULL -+rx_rx_defrag_read_2010 rx_rx_defrag_read 3 2010 NULL -+ocfs2_global_qinit_alloc_2018 ocfs2_global_qinit_alloc 0 2018 NULL -+write_flush_pipefs_2021 write_flush_pipefs 3 2021 NULL -+BcmCopySection_2035 BcmCopySection 5 2035 NULL -+devm_ioremap_nocache_2036 devm_ioremap_nocache 2-3 2036 NULL -+ath6kl_fwlog_mask_read_2050 ath6kl_fwlog_mask_read 3 2050 NULL -+ocfs2_expand_inline_dir_2063 ocfs2_expand_inline_dir 3 2063 NULL -+subbuf_read_actor_2071 subbuf_read_actor 3 2071 NULL -+iwl_dbgfs_current_sleep_command_read_2081 iwl_dbgfs_current_sleep_command_read 3 2081 NULL -+idetape_chrdev_read_2097 idetape_chrdev_read 3 2097 NULL -+audit_expand_2098 audit_expand 2 2098 NULL -+num_pages_spanned_2105 num_pages_spanned 0 2105 NULL -+iwl_dbgfs_log_event_read_2107 iwl_dbgfs_log_event_read 3 2107 NULL -+ecryptfs_encrypt_and_encode_filename_2109 ecryptfs_encrypt_and_encode_filename 6 2109 NULL -+__find_xattr_2117 __find_xattr 6 2117 NULL nohasharray -+enable_read_2117 enable_read 3 2117 &__find_xattr_2117 -+pcf50633_write_block_2124 pcf50633_write_block 2-3 2124 NULL -+check_load_and_stores_2143 check_load_and_stores 2 2143 NULL -+lp_gpio_irq_map_2149 lp_gpio_irq_map 2 2149 NULL -+mlx4_init_icm_table_2151 mlx4_init_icm_table 5-4 2151 NULL -+iov_iter_count_2152 iov_iter_count 0 2152 NULL -+_ore_get_io_state_2166 _ore_get_io_state 3-4-5 2166 NULL -+bio_integrity_alloc_2194 bio_integrity_alloc 3 2194 NULL -+ssb_bus_ssbbus_register_2217 ssb_bus_ssbbus_register 2 2217 NULL -+mei_dbgfs_read_meclients_2219 mei_dbgfs_read_meclients 3 2219 NULL nohasharray -+u32_array_read_2219 u32_array_read 3 2219 &mei_dbgfs_read_meclients_2219 -+vhci_write_2224 vhci_write 3 2224 NULL -+efx_tsoh_page_count_2225 efx_tsoh_page_count 0 2225 NULL -+lowpan_get_mac_header_length_2231 lowpan_get_mac_header_length 0 2231 NULL -+ieee80211_if_read_dot11MeshHWMPRannInterval_2249 ieee80211_if_read_dot11MeshHWMPRannInterval 3 2249 NULL -+netlbl_secattr_catmap_walk_2255 netlbl_secattr_catmap_walk 0-2 2255 NULL -+sel_write_avc_cache_threshold_2256 sel_write_avc_cache_threshold 3 2256 NULL -+do_update_counters_2259 do_update_counters 4 2259 NULL -+ath6kl_wmi_bssinfo_event_rx_2275 ath6kl_wmi_bssinfo_event_rx 3 2275 NULL -+debug_debug5_read_2291 debug_debug5_read 3 2291 NULL -+kvm_clear_guest_page_2308 kvm_clear_guest_page 4-2 2308 NULL -+intel_sdvo_set_value_2311 intel_sdvo_set_value 4 2311 NULL -+picolcd_fb_write_2318 picolcd_fb_write 3 2318 NULL -+gart_map_page_2325 gart_map_page 3-4 2325 NULL -+__erst_read_to_erange_2341 __erst_read_to_erange 0 2341 NULL -+zr364xx_read_2354 zr364xx_read 3 2354 NULL -+viafb_iga2_odev_proc_write_2363 viafb_iga2_odev_proc_write 3 2363 NULL -+SyS_mremap_2367 SyS_mremap 1-2-5 2367 NULL -+xfs_buf_map_from_irec_2368 xfs_buf_map_from_irec 5 2368 NULL -+il_dbgfs_sensitivity_read_2370 il_dbgfs_sensitivity_read 3 2370 NULL -+rtl_port_map_2385 rtl_port_map 1-2 2385 NULL -+rxpipe_rx_prep_beacon_drop_read_2403 rxpipe_rx_prep_beacon_drop_read 3 2403 NULL -+SYSC_mlock_2415 SYSC_mlock 1 2415 NULL -+isdn_v110_open_2418 isdn_v110_open 3 2418 NULL -+raid1_size_2419 raid1_size 0-2 2419 NULL -+roccat_common2_send_2422 roccat_common2_send 4 2422 NULL -+hfcpci_empty_fifo_2427 hfcpci_empty_fifo 4 2427 NULL -+ioremap_nocache_2439 ioremap_nocache 1-2 2439 NULL -+tty_buffer_find_2443 tty_buffer_find 2 2443 NULL -+ath6kl_usb_bmi_write_2454 ath6kl_usb_bmi_write 3 2454 NULL -+b43legacy_debugfs_read_2473 b43legacy_debugfs_read 3 2473 NULL -+update_pmkid_2481 update_pmkid 4 2481 NULL -+wiphy_new_2482 wiphy_new 2 2482 NULL -+bio_alloc_bioset_2484 bio_alloc_bioset 2 2484 NULL -+lookup_cache_entry_2494 lookup_cache_entry 2 2494 NULL -+squashfs_read_fragment_index_table_2506 squashfs_read_fragment_index_table 4 2506 NULL -+dm_write_2513 dm_write 3 2513 NULL -+v9fs_cached_file_read_2514 v9fs_cached_file_read 3 2514 NULL -+ext4_get_inode_loc_2516 ext4_get_inode_loc 0 2516 NULL -+gspca_dev_probe_2570 gspca_dev_probe 4 2570 NULL -+i915_next_seqno_write_2572 i915_next_seqno_write 3 2572 NULL -+pcm_sanity_check_2574 pcm_sanity_check 0 2574 NULL -+slot_bytes_2609 slot_bytes 0 2609 NULL -+smk_write_logging_2618 smk_write_logging 3 2618 NULL -+kvm_gfn_to_hva_cache_init_2636 kvm_gfn_to_hva_cache_init 3 2636 NULL -+lro_gen_skb_2644 lro_gen_skb 6 2644 NULL -+nfc_llcp_send_ui_frame_2702 nfc_llcp_send_ui_frame 5 2702 NULL -+memcpy_fromiovecend_2707 memcpy_fromiovecend 3-4 2707 NULL -+__xip_file_write_2733 __xip_file_write 4-3 2733 NULL -+hid_report_raw_event_2762 hid_report_raw_event 4 2762 NULL -+mon_bin_ioctl_2771 mon_bin_ioctl 3 2771 NULL nohasharray -+bictcp_update_2771 bictcp_update 2 2771 &mon_bin_ioctl_2771 -+__next_cpu_2782 __next_cpu 1 2782 NULL -+set_msr_hyperv_pw_2785 set_msr_hyperv_pw 3 2785 NULL -+sel_read_enforce_2828 sel_read_enforce 3 2828 NULL -+vb2_dc_get_userptr_2829 vb2_dc_get_userptr 2-3 2829 NULL -+wait_for_avail_2847 wait_for_avail 0 2847 NULL -+ufs_free_fragments_2857 ufs_free_fragments 2 2857 NULL -+sfq_alloc_2861 sfq_alloc 1 2861 NULL -+move_addr_to_user_2868 move_addr_to_user 2 2868 NULL -+mq_map_2871 mq_map 2 2871 NULL -+nla_padlen_2883 nla_padlen 1 2883 NULL -+cmm_write_2896 cmm_write 3 2896 NULL -+alloc_page_cgroup_2919 alloc_page_cgroup 1 2919 NULL -+xfs_trans_get_buf_map_2927 xfs_trans_get_buf_map 4 2927 NULL -+nes_read_indexed_2946 nes_read_indexed 0 2946 NULL -+tm6000_i2c_recv_regs16_2949 tm6000_i2c_recv_regs16 5 2949 NULL -+set_fast_connectable_2952 set_fast_connectable 4 2952 NULL -+ppp_cp_event_2965 ppp_cp_event 6 2965 NULL -+do_strnlen_user_2976 do_strnlen_user 0-2 2976 NULL -+p9_nr_pages_2992 p9_nr_pages 0-2 2992 NULL -+do_dmabuf_dirty_sou_3017 do_dmabuf_dirty_sou 7 3017 NULL -+depth_write_3021 depth_write 3 3021 NULL -+snd_azf3328_codec_inl_3022 snd_azf3328_codec_inl 0 3022 NULL -+xfrm_dst_alloc_copy_3034 xfrm_dst_alloc_copy 3 3034 NULL -+iwl_dbgfs_sleep_level_override_read_3038 iwl_dbgfs_sleep_level_override_read 3 3038 NULL -+nr_free_buffer_pages_3044 nr_free_buffer_pages 0 3044 NULL -+il3945_ucode_rx_stats_read_3048 il3945_ucode_rx_stats_read 3 3048 NULL -+qp_alloc_ppn_set_3068 qp_alloc_ppn_set 2-4 3068 NULL -+__blk_end_bidi_request_3070 __blk_end_bidi_request 3-4 3070 NULL -+dac960_user_command_proc_write_3071 dac960_user_command_proc_write 3 3071 NULL -+free_coherent_3082 free_coherent 4-2 3082 NULL -+clone_bio_3100 clone_bio 6 3100 NULL nohasharray -+ttusb2_msg_3100 ttusb2_msg 4 3100 &clone_bio_3100 -+rb_alloc_3102 rb_alloc 1 3102 NULL -+simple_write_to_buffer_3122 simple_write_to_buffer 5-2 3122 NULL -+print_time_3132 print_time 0 3132 NULL -+fill_write_buffer_3142 fill_write_buffer 3 3142 NULL -+CIFSSMBSetPosixACL_3154 CIFSSMBSetPosixACL 5 3154 NULL -+compat_sys_migrate_pages_3157 compat_sys_migrate_pages 2 3157 NULL -+uv_num_possible_blades_3177 uv_num_possible_blades 0 3177 NULL -+uvc_video_stats_dump_3181 uvc_video_stats_dump 3 3181 NULL -+compat_do_ip6t_set_ctl_3184 compat_do_ip6t_set_ctl 4 3184 NULL -+mempool_create_node_3191 mempool_create_node 1 3191 NULL -+alloc_context_3194 alloc_context 1 3194 NULL -+shmem_pread_slow_3198 shmem_pread_slow 3 3198 NULL -+SyS_sendto_3219 SyS_sendto 6 3219 NULL -+kimage_crash_alloc_3233 kimage_crash_alloc 3 3233 NULL -+do_read_log_to_user_3236 do_read_log_to_user 4 3236 NULL -+ext3_xattr_find_entry_3237 ext3_xattr_find_entry 0 3237 NULL -+key_key_read_3241 key_key_read 3 3241 NULL -+number_3243 number 0 3243 NULL -+check_vendor_extension_3254 check_vendor_extension 1 3254 NULL -+__ilog2_u64_3284 __ilog2_u64 0 3284 NULL -+arvo_sysfs_write_3311 arvo_sysfs_write 6 3311 NULL -+dbDiscardAG_3322 dbDiscardAG 3 3322 NULL -+compat_sys_setsockopt_3326 compat_sys_setsockopt 5 3326 NULL -+aac_rkt_ioremap_3333 aac_rkt_ioremap 2 3333 NULL -+read_from_oldmem_3337 read_from_oldmem 2 3337 NULL -+tty_port_register_device_attr_3341 tty_port_register_device_attr 3 3341 NULL -+il_dbgfs_interrupt_read_3351 il_dbgfs_interrupt_read 3 3351 NULL -+gsm_control_rls_3353 gsm_control_rls 3 3353 NULL -+scnprintf_3360 scnprintf 0-2 3360 NULL -+x86_emulate_instruction_3389 x86_emulate_instruction 2 3389 NULL -+mtdchar_writeoob_3393 mtdchar_writeoob 4 3393 NULL -+send_stream_3397 send_stream 4 3397 NULL -+isdn_readbchan_3401 isdn_readbchan 0-5 3401 NULL -+msix_map_region_3411 msix_map_region 3 3411 NULL -+mei_io_cb_alloc_resp_buf_3414 mei_io_cb_alloc_resp_buf 2 3414 NULL -+pci_add_cap_save_buffer_3426 pci_add_cap_save_buffer 3 3426 NULL -+crystalhd_create_dio_pool_3427 crystalhd_create_dio_pool 2 3427 NULL -+SyS_msgsnd_3436 SyS_msgsnd 3 3436 NULL -+pipe_iov_copy_to_user_3447 pipe_iov_copy_to_user 3 3447 NULL -+percpu_modalloc_3448 percpu_modalloc 2-3 3448 NULL -+map_single_3449 map_single 0-2 3449 NULL -+jffs2_acl_setxattr_3464 jffs2_acl_setxattr 4 3464 NULL nohasharray -+snd_pcm_lib_readv_transfer_3464 snd_pcm_lib_readv_transfer 4-2-5 3464 &jffs2_acl_setxattr_3464 -+alloc_skb_fclone_3467 alloc_skb_fclone 1 3467 NULL -+security_context_to_sid_default_3492 security_context_to_sid_default 2 3492 NULL -+xfrm_migrate_msgsize_3496 xfrm_migrate_msgsize 1 3496 NULL -+kvm_handle_bad_page_3503 kvm_handle_bad_page 2 3503 NULL -+mem_tx_free_mem_blks_read_3521 mem_tx_free_mem_blks_read 3 3521 NULL nohasharray -+ieee80211_wx_set_gen_ie_rsl_3521 ieee80211_wx_set_gen_ie_rsl 3 3521 &mem_tx_free_mem_blks_read_3521 -+SyS_readv_3539 SyS_readv 3 3539 NULL -+btrfs_dir_name_len_3549 btrfs_dir_name_len 0 3549 NULL -+b43legacy_read16_3561 b43legacy_read16 0 3561 NULL -+alloc_smp_resp_3566 alloc_smp_resp 1 3566 NULL -+evtchn_read_3569 evtchn_read 3 3569 NULL -+vc_resize_3585 vc_resize 2-3 3585 NULL -+compat_sys_semtimedop_3606 compat_sys_semtimedop 3 3606 NULL -+sctp_getsockopt_events_3607 sctp_getsockopt_events 2 3607 NULL -+edac_mc_alloc_3611 edac_mc_alloc 4 3611 NULL -+tx_tx_starts_read_3617 tx_tx_starts_read 3 3617 NULL -+aligned_kmalloc_3628 aligned_kmalloc 1 3628 NULL -+x86_swiotlb_alloc_coherent_3649 x86_swiotlb_alloc_coherent 2 3649 NULL nohasharray -+cm_copy_private_data_3649 cm_copy_private_data 2 3649 &x86_swiotlb_alloc_coherent_3649 -+ath6kl_disconnect_timeout_read_3650 ath6kl_disconnect_timeout_read 3 3650 NULL -+i915_compat_ioctl_3656 i915_compat_ioctl 2 3656 NULL -+snd_m3_assp_read_3703 snd_m3_assp_read 0 3703 NULL nohasharray -+create_irq_3703 create_irq 0 3703 &snd_m3_assp_read_3703 nohasharray -+btmrvl_psmode_write_3703 btmrvl_psmode_write 3 3703 &create_irq_3703 -+videobuf_pages_to_sg_3708 videobuf_pages_to_sg 2 3708 NULL -+ci_ll_write_3740 ci_ll_write 4 3740 NULL nohasharray -+ath6kl_mgmt_tx_3740 ath6kl_mgmt_tx 7 3740 &ci_ll_write_3740 -+sctp_setsockopt_auth_key_3793 sctp_setsockopt_auth_key 3 3793 NULL -+ncp_file_write_3813 ncp_file_write 3 3813 NULL -+read_file_tx_chainmask_3829 read_file_tx_chainmask 3 3829 NULL -+stringify_nodemap_3842 stringify_nodemap 2 3842 NULL -+ubi_eba_read_leb_3847 ubi_eba_read_leb 0 3847 NULL -+create_one_cdev_3852 create_one_cdev 2 3852 NULL -+smk_read_onlycap_3855 smk_read_onlycap 3 3855 NULL -+get_fd_set_3866 get_fd_set 1 3866 NULL -+garp_attr_create_3883 garp_attr_create 3 3883 NULL -+uea_send_modem_cmd_3888 uea_send_modem_cmd 3 3888 NULL -+efivarfs_file_read_3893 efivarfs_file_read 3 3893 NULL -+nvram_write_3894 nvram_write 3 3894 NULL -+pipeline_pre_proc_swi_read_3898 pipeline_pre_proc_swi_read 3 3898 NULL -+comedi_buf_read_n_available_3899 comedi_buf_read_n_available 0 3899 NULL -+vcs_write_3910 vcs_write 3 3910 NULL -+brcmf_debugfs_fws_stats_read_3947 brcmf_debugfs_fws_stats_read 3 3947 NULL -+atalk_compat_ioctl_3991 atalk_compat_ioctl 3 3991 NULL -+do_add_counters_3992 do_add_counters 3 3992 NULL -+userspace_status_4004 userspace_status 4 4004 NULL -+mei_write_4005 mei_write 3 4005 NULL nohasharray -+xfs_check_block_4005 xfs_check_block 4 4005 &mei_write_4005 -+snd_hdsp_capture_copy_4011 snd_hdsp_capture_copy 5 4011 NULL -+mm_populate_4016 mm_populate 1 4016 NULL -+blk_end_request_4024 blk_end_request 3 4024 NULL -+ext4_xattr_find_entry_4025 ext4_xattr_find_entry 0 4025 NULL -+usbnet_write_cmd_async_4035 usbnet_write_cmd_async 7 4035 NULL -+read_file_queues_4078 read_file_queues 3 4078 NULL -+fbcon_do_set_font_4079 fbcon_do_set_font 2-3 4079 NULL -+da9052_free_irq_4090 da9052_free_irq 2 4090 NULL -+C_SYSC_rt_sigpending_4114 C_SYSC_rt_sigpending 2 4114 NULL -+ntb_netdev_change_mtu_4147 ntb_netdev_change_mtu 2 4147 NULL -+tm6000_read_4151 tm6000_read 3 4151 NULL -+mpt_raid_phys_disk_get_num_paths_4155 mpt_raid_phys_disk_get_num_paths 0 4155 NULL -+msg_bits_4158 msg_bits 0-3-4 4158 NULL -+get_alua_req_4166 get_alua_req 3 4166 NULL -+blk_dropped_read_4168 blk_dropped_read 3 4168 NULL -+read_file_bool_4180 read_file_bool 3 4180 NULL -+f1x_determine_channel_4202 f1x_determine_channel 2 4202 NULL -+_osd_req_list_objects_4204 _osd_req_list_objects 6 4204 NULL -+__snd_gf1_read_addr_4210 __snd_gf1_read_addr 0 4210 NULL -+goldfish_audio_write_4284 goldfish_audio_write 3 4284 NULL -+paging32_page_fault_4288 paging32_page_fault 2 4288 NULL -+xt_compat_add_offset_4289 xt_compat_add_offset 0 4289 NULL -+__usbnet_read_cmd_4299 __usbnet_read_cmd 7 4299 NULL -+dvb_ringbuffer_pkt_read_user_4303 dvb_ringbuffer_pkt_read_user 3-2-5 4303 NULL -+nouveau_fifo_create__4327 nouveau_fifo_create_ 5-6 4327 NULL -+snd_rawmidi_kernel_read_4328 snd_rawmidi_kernel_read 3 4328 NULL -+__copy_from_user_inatomic_4365 __copy_from_user_inatomic 3 4365 NULL -+sys_setdomainname_4373 sys_setdomainname 2 4373 NULL -+irda_sendmsg_4388 irda_sendmsg 4 4388 NULL -+access_process_vm_4412 access_process_vm 0-2-4 4412 NULL nohasharray -+cxacru_cm_get_array_4412 cxacru_cm_get_array 4 4412 &access_process_vm_4412 -+libfc_vport_create_4415 libfc_vport_create 2 4415 NULL -+do_pages_stat_4437 do_pages_stat 2 4437 NULL -+memparse_4444 memparse 0 4444 NULL -+at76_set_card_command_4471 at76_set_card_command 4 4471 NULL -+snd_seq_expand_var_event_4481 snd_seq_expand_var_event 0-5 4481 NULL -+sys_semtimedop_4486 sys_semtimedop 3 4486 NULL -+vmbus_establish_gpadl_4495 vmbus_establish_gpadl 3 4495 NULL -+set_link_security_4502 set_link_security 4 4502 NULL -+dm_cache_remove_mapping_4513 dm_cache_remove_mapping 2 4513 NULL -+__gfn_to_pfn_memslot_4530 __gfn_to_pfn_memslot 2 4530 NULL -+sys_llistxattr_4532 sys_llistxattr 3 4532 NULL -+da9052_group_write_4534 da9052_group_write 2-3 4534 NULL -+tty_register_device_4544 tty_register_device 2 4544 NULL -+videobuf_vmalloc_to_sg_4548 videobuf_vmalloc_to_sg 2 4548 NULL -+btrfs_file_extent_inline_item_len_4575 btrfs_file_extent_inline_item_len 0 4575 NULL -+xfs_buf_get_maps_4581 xfs_buf_get_maps 2 4581 NULL -+bch_alloc_4593 bch_alloc 1 4593 NULL -+__wb_force_remove_mapping_4622 __wb_force_remove_mapping 2 4622 NULL -+iwl_dbgfs_tx_queue_read_4635 iwl_dbgfs_tx_queue_read 3 4635 NULL -+skb_add_data_nocache_4682 skb_add_data_nocache 4 4682 NULL -+cx18_read_pos_4683 cx18_read_pos 3 4683 NULL -+short_retry_limit_read_4687 short_retry_limit_read 3 4687 NULL -+kone_receive_4690 kone_receive 4 4690 NULL -+round_pipe_size_4701 round_pipe_size 0 4701 NULL -+cxgbi_alloc_big_mem_4707 cxgbi_alloc_big_mem 1 4707 NULL -+konepure_sysfs_read_4709 konepure_sysfs_read 6 4709 NULL -+btmrvl_gpiogap_read_4718 btmrvl_gpiogap_read 3 4718 NULL -+ati_create_gatt_pages_4722 ati_create_gatt_pages 1 4722 NULL nohasharray -+show_header_4722 show_header 3 4722 &ati_create_gatt_pages_4722 -+__find_free_cblock_4741 __find_free_cblock 2 4741 NULL -+memblock_find_in_range_4759 memblock_find_in_range 3-4 4759 NULL -+pwr_rcvd_bcns_cnt_read_4774 pwr_rcvd_bcns_cnt_read 3 4774 NULL -+create_subvol_4791 create_subvol 4 4791 NULL -+ncp__vol2io_4804 ncp__vol2io 5 4804 NULL -+repair_io_failure_4815 repair_io_failure 4 4815 NULL -+gigaset_if_receive_4861 gigaset_if_receive 3 4861 NULL -+key_tx_spec_read_4862 key_tx_spec_read 3 4862 NULL -+ocfs2_defrag_extent_4873 ocfs2_defrag_extent 3 4873 NULL -+hid_register_field_4874 hid_register_field 2-3 4874 NULL -+vga_arb_read_4886 vga_arb_read 3 4886 NULL -+sys_ipc_4889 sys_ipc 3 4889 NULL -+sys_process_vm_writev_4928 sys_process_vm_writev 3-5 4928 NULL -+ntfs_rl_insert_4931 ntfs_rl_insert 2-4 4931 NULL -+ieee80211_if_fmt_ave_beacon_4941 ieee80211_if_fmt_ave_beacon 3 4941 NULL -+devm_kzalloc_4966 devm_kzalloc 2 4966 NULL -+compat_rawv6_setsockopt_4967 compat_rawv6_setsockopt 5 4967 NULL -+skb_network_header_len_4971 skb_network_header_len 0 4971 NULL -+ieee80211_if_fmt_dot11MeshHWMPconfirmationInterval_4976 ieee80211_if_fmt_dot11MeshHWMPconfirmationInterval 3 4976 NULL -+vmw_surface_define_size_4993 vmw_surface_define_size 0 4993 NULL -+compat_SyS_ipc_5000 compat_SyS_ipc 3-4-5-6 5000 NULL -+qla82xx_pci_mem_write_direct_5008 qla82xx_pci_mem_write_direct 2 5008 NULL -+do_mincore_5018 do_mincore 0-1 5018 NULL -+mtd_device_parse_register_5024 mtd_device_parse_register 5 5024 NULL -+ocfs2_check_range_for_holes_5066 ocfs2_check_range_for_holes 2-3 5066 NULL -+snd_mixart_BA1_read_5082 snd_mixart_BA1_read 5 5082 NULL -+snd_emu10k1_ptr20_read_5087 snd_emu10k1_ptr20_read 0 5087 NULL -+get_random_bytes_5091 get_random_bytes 2 5091 NULL nohasharray -+kfifo_copy_from_user_5091 kfifo_copy_from_user 3 5091 &get_random_bytes_5091 nohasharray -+blk_rq_sectors_5091 blk_rq_sectors 0 5091 &kfifo_copy_from_user_5091 -+mpol_to_str_5093 mpol_to_str 2 5093 NULL -+sound_write_5102 sound_write 3 5102 NULL -+clear_dirty_5105 clear_dirty 3 5105 NULL -+ufs_add_fragments_5144 ufs_add_fragments 2 5144 NULL -+compat_ptr_5159 compat_ptr 0-1 5159 NULL -+__uwb_addr_print_5161 __uwb_addr_print 2 5161 NULL -+iwl_dbgfs_status_read_5171 iwl_dbgfs_status_read 3 5171 NULL -+acpi_pcc_get_sqty_5176 acpi_pcc_get_sqty 0 5176 NULL -+sfi_map_memory_5183 sfi_map_memory 1-2 5183 NULL -+skb_network_header_5203 skb_network_header 0 5203 NULL -+pipe_set_size_5204 pipe_set_size 2 5204 NULL -+ppp_cp_parse_cr_5214 ppp_cp_parse_cr 4 5214 NULL -+dwc2_hcd_urb_alloc_5217 dwc2_hcd_urb_alloc 2 5217 NULL -+ath6kl_debug_roam_tbl_event_5224 ath6kl_debug_roam_tbl_event 3 5224 NULL -+ssb_ioremap_5228 ssb_ioremap 2 5228 NULL nohasharray -+konepure_sysfs_write_5228 konepure_sysfs_write 6 5228 &ssb_ioremap_5228 -+isdn_ppp_skb_push_5236 isdn_ppp_skb_push 2 5236 NULL -+do_atmif_sioc_5247 do_atmif_sioc 3 5247 NULL -+gfn_to_hva_memslot_5265 gfn_to_hva_memslot 2 5265 NULL -+alloc_cache_blocks_with_hash_5285 alloc_cache_blocks_with_hash 2 5285 NULL -+__gfn_to_hva_memslot_5304 __gfn_to_hva_memslot 0-2 5304 NULL -+sbc_get_write_same_sectors_5317 sbc_get_write_same_sectors 0 5317 NULL -+pwr_elp_enter_read_5324 pwr_elp_enter_read 3 5324 NULL -+allocate_cnodes_5329 allocate_cnodes 1 5329 NULL -+ps_pspoll_utilization_read_5361 ps_pspoll_utilization_read 3 5361 NULL -+cciss_allocate_sg_chain_blocks_5368 cciss_allocate_sg_chain_blocks 3-2 5368 NULL -+kvm_pin_pages_5369 kvm_pin_pages 2 5369 NULL -+bitmap_fold_5396 bitmap_fold 4 5396 NULL -+nilfs_palloc_entries_per_group_5418 nilfs_palloc_entries_per_group 0 5418 NULL -+sfi_map_table_5462 sfi_map_table 1 5462 NULL -+xfs_efd_init_5463 xfs_efd_init 3 5463 NULL -+xfs_efi_init_5476 xfs_efi_init 2 5476 NULL -+ubi_leb_write_5478 ubi_leb_write 4-5 5478 NULL -+cifs_security_flags_proc_write_5484 cifs_security_flags_proc_write 3 5484 NULL -+tty_write_5494 tty_write 3 5494 NULL -+tomoyo_update_domain_5498 tomoyo_update_domain 2 5498 NULL nohasharray -+ieee80211_if_fmt_last_beacon_5498 ieee80211_if_fmt_last_beacon 3 5498 &tomoyo_update_domain_5498 -+__max_nr_grant_frames_5505 __max_nr_grant_frames 0 5505 NULL -+spidev_message_5518 spidev_message 3 5518 NULL -+ieee80211_if_fmt_auto_open_plinks_5534 ieee80211_if_fmt_auto_open_plinks 3 5534 NULL -+get_entry_msg_len_5552 get_entry_msg_len 0 5552 NULL -+brcmu_pkt_buf_get_skb_5556 brcmu_pkt_buf_get_skb 1 5556 NULL -+le_readq_5557 le_readq 0 5557 NULL -+inw_5558 inw 0 5558 NULL -+fir16_create_5574 fir16_create 3 5574 NULL -+bioset_create_5580 bioset_create 1 5580 NULL -+oz_ep_alloc_5587 oz_ep_alloc 2 5587 NULL -+usb_dump_device_descriptor_5599 usb_dump_device_descriptor 0 5599 NULL -+ldm_frag_add_5611 ldm_frag_add 2 5611 NULL -+compat_copy_entries_5617 compat_copy_entries 0 5617 NULL -+SYSC_fsetxattr_5639 SYSC_fsetxattr 4 5639 NULL -+ext4_xattr_get_5661 ext4_xattr_get 0 5661 NULL -+posix_clock_register_5662 posix_clock_register 2 5662 NULL -+mthca_map_reg_5664 mthca_map_reg 2-3 5664 NULL -+__videobuf_alloc_vb_5665 __videobuf_alloc_vb 1 5665 NULL -+wb_clear_dirty_5684 wb_clear_dirty 2 5684 NULL -+get_arg_5694 get_arg 3 5694 NULL -+subbuf_read_actor_5708 subbuf_read_actor 3 5708 NULL -+vmw_kms_readback_5727 vmw_kms_readback 6 5727 NULL -+reexecute_instruction_5733 reexecute_instruction 2 5733 NULL -+rts51x_transfer_data_partial_5735 rts51x_transfer_data_partial 6 5735 NULL -+ubi_cdev_compat_ioctl_5746 ubi_cdev_compat_ioctl 3 5746 NULL -+sctp_setsockopt_autoclose_5775 sctp_setsockopt_autoclose 3 5775 NULL nohasharray -+qlcnic_83xx_sysfs_flash_read_handler_5775 qlcnic_83xx_sysfs_flash_read_handler 6 5775 &sctp_setsockopt_autoclose_5775 -+compat_sys_writev_5784 compat_sys_writev 3 5784 NULL -+__vxge_hw_blockpool_malloc_5786 __vxge_hw_blockpool_malloc 2 5786 NULL -+skb_copy_datagram_iovec_5806 skb_copy_datagram_iovec 2-4 5806 NULL -+nv50_disp_pioc_create__5812 nv50_disp_pioc_create_ 5 5812 NULL -+ceph_x_encrypt_buflen_5829 ceph_x_encrypt_buflen 0-1 5829 NULL -+autofs4_root_compat_ioctl_5838 autofs4_root_compat_ioctl 3 5838 NULL -+ceph_msg_new_5846 ceph_msg_new 2 5846 NULL -+ixgb_check_copybreak_5847 ixgb_check_copybreak 3 5847 NULL -+setup_req_5848 setup_req 3 5848 NULL -+rx_filter_max_arp_queue_dep_read_5851 rx_filter_max_arp_queue_dep_read 3 5851 NULL -+compat_sys_move_pages_5861 compat_sys_move_pages 2 5861 NULL nohasharray -+uinput_compat_ioctl_5861 uinput_compat_ioctl 3 5861 &compat_sys_move_pages_5861 -+paging64_walk_addr_5887 paging64_walk_addr 3 5887 NULL -+port_show_regs_5904 port_show_regs 3 5904 NULL -+rbd_segment_length_5907 rbd_segment_length 0-3-2 5907 NULL -+uhci_debug_read_5911 uhci_debug_read 3 5911 NULL -+qla82xx_pci_mem_read_2M_5912 qla82xx_pci_mem_read_2M 2 5912 NULL -+ttm_bo_kmap_ttm_5922 ttm_bo_kmap_ttm 3 5922 NULL -+lbs_highsnr_read_5931 lbs_highsnr_read 3 5931 NULL -+ps_poll_ps_poll_timeouts_read_5934 ps_poll_ps_poll_timeouts_read 3 5934 NULL -+edac_device_alloc_ctl_info_5941 edac_device_alloc_ctl_info 1 5941 NULL -+tipc_subseq_alloc_5957 tipc_subseq_alloc 1 5957 NULL -+__apu_get_register_5967 __apu_get_register 0 5967 NULL -+ieee80211_if_fmt_rc_rateidx_mask_5ghz_5971 ieee80211_if_fmt_rc_rateidx_mask_5ghz 3 5971 NULL -+native_pte_val_5978 native_pte_val 0 5978 NULL -+SyS_semop_5980 SyS_semop 3 5980 NULL -+ntfs_rl_append_6037 ntfs_rl_append 2-4 6037 NULL -+da9052_request_irq_6058 da9052_request_irq 2 6058 NULL -+sctp_setsockopt_connectx_6073 sctp_setsockopt_connectx 3 6073 NULL -+rts51x_ms_rw_multi_sector_6076 rts51x_ms_rw_multi_sector 3-4 6076 NULL -+md_trim_bio_6078 md_trim_bio 2 6078 NULL -+ipmi_addr_length_6110 ipmi_addr_length 0 6110 NULL -+dfs_global_file_write_6112 dfs_global_file_write 3 6112 NULL -+matrix_keypad_build_keymap_6129 matrix_keypad_build_keymap 3 6129 NULL -+nouveau_parent_create__6131 nouveau_parent_create_ 7 6131 NULL -+ieee80211_if_fmt_beacon_timeout_6153 ieee80211_if_fmt_beacon_timeout 3 6153 NULL -+ivtv_copy_buf_to_user_6159 ivtv_copy_buf_to_user 4 6159 NULL -+vdma_mem_alloc_6171 vdma_mem_alloc 1 6171 NULL -+wl1251_cmd_template_set_6172 wl1251_cmd_template_set 4 6172 NULL -+paging64_walk_addr_generic_6180 paging64_walk_addr_generic 4 6180 NULL -+qp_host_get_user_memory_6189 qp_host_get_user_memory 1-2 6189 NULL -+mxt_show_instance_6207 mxt_show_instance 2-0 6207 NULL -+v4l2_ctrl_new_std_menu_6221 v4l2_ctrl_new_std_menu 4 6221 NULL -+mqueue_read_file_6228 mqueue_read_file 3 6228 NULL -+f_hidg_read_6238 f_hidg_read 3 6238 NULL -+fbcon_prepare_logo_6246 fbcon_prepare_logo 5 6246 NULL -+pcpu_next_pop_6277 pcpu_next_pop 4 6277 NULL -+tx_tx_start_null_frame_read_6281 tx_tx_start_null_frame_read 3 6281 NULL -+snd_hda_override_conn_list_6282 snd_hda_override_conn_list 3 6282 NULL nohasharray -+xenbus_file_write_6282 xenbus_file_write 3 6282 &snd_hda_override_conn_list_6282 -+posix_acl_fix_xattr_to_user_6283 posix_acl_fix_xattr_to_user 2 6283 NULL -+paging64_gva_to_gpa_nested_6287 paging64_gva_to_gpa_nested 2 6287 NULL -+nf_nat_ipv6_manip_pkt_6289 nf_nat_ipv6_manip_pkt 2 6289 NULL -+nf_nat_sack_adjust_6297 nf_nat_sack_adjust 2 6297 NULL -+mid_get_vbt_data_r10_6308 mid_get_vbt_data_r10 2 6308 NULL -+qlcnic_sriov_alloc_bc_msg_6309 qlcnic_sriov_alloc_bc_msg 2 6309 NULL -+SyS_mincore_6329 SyS_mincore 1 6329 NULL -+fuse_get_req_for_background_6337 fuse_get_req_for_background 2 6337 NULL -+ucs2_strnlen_6342 ucs2_strnlen 0 6342 NULL -+mei_dbgfs_read_devstate_6352 mei_dbgfs_read_devstate 3 6352 NULL -+_proc_do_string_6376 _proc_do_string 2 6376 NULL -+osd_req_read_sg_kern_6378 osd_req_read_sg_kern 5 6378 NULL -+isku_sysfs_write_light_6406 isku_sysfs_write_light 6 6406 NULL -+posix_acl_fix_xattr_userns_6420 posix_acl_fix_xattr_userns 4 6420 NULL -+ipr_change_queue_depth_6431 ipr_change_queue_depth 2 6431 NULL -+__alloc_bootmem_node_nopanic_6432 __alloc_bootmem_node_nopanic 2-3 6432 NULL -+paging32_gva_to_gpa_nested_6442 paging32_gva_to_gpa_nested 2 6442 NULL -+mlx4_ib_reg_user_mr_6471 mlx4_ib_reg_user_mr 2-3 6471 NULL nohasharray -+ext4_compat_ioctl_6471 ext4_compat_ioctl 3 6471 &mlx4_ib_reg_user_mr_6471 -+ieee80211_if_fmt_dot11MeshMaxRetries_6476 ieee80211_if_fmt_dot11MeshMaxRetries 3 6476 NULL -+qp_memcpy_from_queue_6479 qp_memcpy_from_queue 4-5 6479 NULL -+cipso_v4_map_lvl_hton_6490 cipso_v4_map_lvl_hton 0 6490 NULL -+dbg_intr_buf_6501 dbg_intr_buf 2 6501 NULL -+mei_read_6507 mei_read 3 6507 NULL -+read_file_disable_ani_6536 read_file_disable_ani 3 6536 NULL -+rndis_set_oid_6547 rndis_set_oid 4 6547 NULL -+wdm_read_6549 wdm_read 3 6549 NULL -+isku_sysfs_write_keys_easyzone_6553 isku_sysfs_write_keys_easyzone 6 6553 NULL -+fb_alloc_cmap_6554 fb_alloc_cmap 2 6554 NULL -+SyS_semtimedop_6563 SyS_semtimedop 3 6563 NULL -+SyS_fcntl64_6582 SyS_fcntl64 3 6582 NULL -+snmp_mib_init_6604 snmp_mib_init 2-3 6604 NULL -+ecryptfs_filldir_6622 ecryptfs_filldir 3 6622 NULL -+compat_SyS_shmat_6642 compat_SyS_shmat 2 6642 NULL -+virtscsi_alloc_tgt_6643 virtscsi_alloc_tgt 2 6643 NULL -+aac_srcv_ioremap_6659 aac_srcv_ioremap 2 6659 NULL -+process_rcvd_data_6679 process_rcvd_data 3 6679 NULL -+ql_process_mac_rx_skb_6689 ql_process_mac_rx_skb 4 6689 NULL -+btrfs_lookup_csums_range_6696 btrfs_lookup_csums_range 2 6696 NULL -+ps_pspoll_max_apturn_read_6699 ps_pspoll_max_apturn_read 3 6699 NULL -+bnad_debugfs_write_regrd_6706 bnad_debugfs_write_regrd 3 6706 NULL -+mpeg_read_6708 mpeg_read 3 6708 NULL -+set_orig_insn_6712 set_orig_insn 3 6712 NULL -+video_proc_write_6724 video_proc_write 3 6724 NULL -+posix_acl_xattr_count_6725 posix_acl_xattr_count 0-1 6725 NULL -+rds_rdma_pages_6735 rds_rdma_pages 0 6735 NULL -+sfi_check_table_6772 sfi_check_table 1 6772 NULL -+iwl_dbgfs_channels_read_6784 iwl_dbgfs_channels_read 3 6784 NULL -+ieee80211_if_read_6785 ieee80211_if_read 3 6785 NULL -+hdlcdrv_register_6792 hdlcdrv_register 2 6792 NULL -+tx_tx_done_data_read_6799 tx_tx_done_data_read 3 6799 NULL -+make_8259A_irq_6828 make_8259A_irq 1 6828 NULL -+calc_pages_for_6838 calc_pages_for 0-1-2 6838 NULL -+mon_bin_read_6841 mon_bin_read 3 6841 NULL -+snd_cs4281_BA0_read_6847 snd_cs4281_BA0_read 5 6847 NULL -+ieee80211_if_fmt_path_refresh_time_6888 ieee80211_if_fmt_path_refresh_time 3 6888 NULL nohasharray -+raw_seticmpfilter_6888 raw_seticmpfilter 3 6888 &ieee80211_if_fmt_path_refresh_time_6888 -+dlmfs_file_write_6892 dlmfs_file_write 3 6892 NULL -+spi_show_regs_6911 spi_show_regs 3 6911 NULL nohasharray -+proc_sessionid_read_6911 proc_sessionid_read 3 6911 &spi_show_regs_6911 nohasharray -+acm_alloc_minor_6911 acm_alloc_minor 0 6911 &proc_sessionid_read_6911 -+__kfifo_dma_in_finish_r_6913 __kfifo_dma_in_finish_r 2-3 6913 NULL -+do_msgrcv_6921 do_msgrcv 3 6921 NULL -+cache_do_downcall_6926 cache_do_downcall 3 6926 NULL -+qsfp_cks_6945 qsfp_cks 0-2 6945 NULL -+pch_uart_hal_read_6961 pch_uart_hal_read 0 6961 NULL -+videobuf_dma_init_kernel_6963 videobuf_dma_init_kernel 3 6963 NULL -+rsa_extract_mpi_6973 rsa_extract_mpi 5 6973 NULL -+crypto_authenc_esn_setkey_6985 crypto_authenc_esn_setkey 3 6985 NULL -+request_key_async_6990 request_key_async 4 6990 NULL -+tpl_write_6998 tpl_write 3 6998 NULL -+r871x_set_wpa_ie_7000 r871x_set_wpa_ie 3 7000 NULL -+cipso_v4_gentag_enum_7006 cipso_v4_gentag_enum 0 7006 NULL -+tracing_cpumask_read_7010 tracing_cpumask_read 3 7010 NULL -+wimax_msg_7030 wimax_msg 4 7030 NULL -+ipath_get_base_info_7043 ipath_get_base_info 3 7043 NULL -+snd_pcm_oss_bytes_7051 snd_pcm_oss_bytes 2 7051 NULL -+event_enable_read_7074 event_enable_read 3 7074 NULL -+beacon_interval_read_7091 beacon_interval_read 3 7091 NULL -+lp_compat_ioctl_7098 lp_compat_ioctl 3 7098 NULL -+pipeline_enc_rx_stat_fifo_int_read_7107 pipeline_enc_rx_stat_fifo_int_read 3 7107 NULL -+check_header_7108 check_header 0 7108 NULL -+qlcnic_enable_msix_7144 qlcnic_enable_msix 2 7144 NULL -+__alloc_objio_seg_7203 __alloc_objio_seg 1 7203 NULL -+batadv_check_unicast_ttvn_7206 batadv_check_unicast_ttvn 3 7206 NULL -+sys32_ipc_7238 sys32_ipc 3-5-6 7238 NULL -+get_param_h_7247 get_param_h 0 7247 NULL -+af_alg_make_sg_7254 af_alg_make_sg 3 7254 NULL -+vm_mmap_pgoff_7259 vm_mmap_pgoff 0 7259 NULL -+dma_ops_alloc_addresses_7272 dma_ops_alloc_addresses 3-4-5 7272 NULL -+rx_rate_rx_frames_per_rates_read_7282 rx_rate_rx_frames_per_rates_read 3 7282 NULL -+isku_sysfs_write_macro_7293 isku_sysfs_write_macro 6 7293 NULL -+wb_remove_mapping_7307 wb_remove_mapping 2 7307 NULL -+mgmt_control_7349 mgmt_control 3 7349 NULL -+ext3_free_blocks_7362 ext3_free_blocks 3-4 7362 NULL -+ieee80211_if_read_dot11MeshHWMPactivePathTimeout_7368 ieee80211_if_read_dot11MeshHWMPactivePathTimeout 3 7368 NULL -+hweight_long_7388 hweight_long 0-1 7388 NULL -+vhost_scsi_compat_ioctl_7393 vhost_scsi_compat_ioctl 3 7393 NULL -+sl_change_mtu_7396 sl_change_mtu 2 7396 NULL -+readb_7401 readb 0 7401 NULL -+drm_property_create_blob_7414 drm_property_create_blob 2 7414 NULL -+ip_options_get_alloc_7448 ip_options_get_alloc 1 7448 NULL -+SYSC_setgroups_7454 SYSC_setgroups 1 7454 NULL -+numa_emulation_7466 numa_emulation 2 7466 NULL -+__mutex_lock_common_7469 __mutex_lock_common 0 7469 NULL -+garp_request_join_7471 garp_request_join 4 7471 NULL -+compat_sys_msgrcv_7482 compat_sys_msgrcv 2 7482 NULL -+snd_pcm_lib_read1_7491 snd_pcm_lib_read1 0-3 7491 NULL -+sdhci_alloc_host_7509 sdhci_alloc_host 2 7509 NULL nohasharray -+ahash_instance_headroom_7509 ahash_instance_headroom 0 7509 &sdhci_alloc_host_7509 -+array_zalloc_7519 array_zalloc 1-2 7519 NULL -+goal_in_my_reservation_7553 goal_in_my_reservation 3 7553 NULL -+smk_read_mapped_7562 smk_read_mapped 3 7562 NULL -+btrfs_block_rsv_add_7579 btrfs_block_rsv_add 3 7579 NULL -+ext3_try_to_allocate_7590 ext3_try_to_allocate 5-3 7590 NULL -+groups_alloc_7614 groups_alloc 1 7614 NULL -+sg_virt_7616 sg_virt 0 7616 NULL -+skb_copy_expand_7685 skb_copy_expand 2-3 7685 NULL nohasharray -+acpi_ex_allocate_name_string_7685 acpi_ex_allocate_name_string 2-1 7685 &skb_copy_expand_7685 -+acpi_ns_get_pathname_length_7699 acpi_ns_get_pathname_length 0 7699 NULL -+dev_write_7708 dev_write 3 7708 NULL -+unmap_region_7709 unmap_region 1 7709 NULL -+brcmf_sdcard_send_buf_7713 brcmf_sdcard_send_buf 6 7713 NULL -+set_bypass_pwup_pfs_7742 set_bypass_pwup_pfs 3 7742 NULL -+vxge_device_register_7752 vxge_device_register 4 7752 NULL -+osdv2_attr_list_elem_size_7763 osdv2_attr_list_elem_size 0-1 7763 NULL -+ubi_io_read_vid_hdr_7766 ubi_io_read_vid_hdr 0 7766 NULL -+ioread32be_7773 ioread32be 0 7773 NULL -+alloc_candev_7776 alloc_candev 1-2 7776 NULL -+dfs_global_file_read_7787 dfs_global_file_read 3 7787 NULL -+bnx2_nvram_write_7790 bnx2_nvram_write 4-2 7790 NULL -+diva_os_copy_from_user_7792 diva_os_copy_from_user 4 7792 NULL -+ubifs_leb_read_7828 ubifs_leb_read 0 7828 NULL -+dvb_dmxdev_read_sec_7892 dvb_dmxdev_read_sec 4 7892 NULL -+xfs_trans_get_efi_7898 xfs_trans_get_efi 2 7898 NULL -+gfs2_tune_get_i_7903 gfs2_tune_get_i 0 7903 NULL -+ext3_group_extend_7911 ext3_group_extend 3 7911 NULL -+libfc_host_alloc_7917 libfc_host_alloc 2 7917 NULL -+f_hidg_write_7932 f_hidg_write 3 7932 NULL -+io_apic_setup_irq_pin_once_7934 io_apic_setup_irq_pin_once 1 7934 NULL -+hash_netiface6_expire_7944 hash_netiface6_expire 3 7944 NULL -+integrity_digsig_verify_7956 integrity_digsig_verify 3 7956 NULL -+smk_write_load_self_7958 smk_write_load_self 3 7958 NULL -+sys_mbind_7990 sys_mbind 5 7990 NULL -+tt3650_ci_msg_locked_8013 tt3650_ci_msg_locked 4 8013 NULL -+vcs_read_8017 vcs_read 3 8017 NULL -+normalize_up_8037 normalize_up 0-1-2 8037 NULL -+vhost_add_used_and_signal_n_8038 vhost_add_used_and_signal_n 4 8038 NULL -+ms_read_multiple_pages_8052 ms_read_multiple_pages 5-4 8052 NULL -+dgrp_mon_read_8065 dgrp_mon_read 3 8065 NULL -+leb_read_lock_8070 leb_read_lock 0 8070 NULL -+alloc_targets_8074 alloc_targets 2 8074 NULL nohasharray -+qla4xxx_post_ping_evt_work_8074 qla4xxx_post_ping_evt_work 4 8074 &alloc_targets_8074 -+venus_lookup_8121 venus_lookup 4 8121 NULL -+ieee80211_if_fmt_num_buffered_multicast_8127 ieee80211_if_fmt_num_buffered_multicast 3 8127 NULL -+dma_map_area_8178 dma_map_area 5-2-3 8178 NULL -+ore_truncate_8181 ore_truncate 3 8181 NULL -+__sk_mem_schedule_8185 __sk_mem_schedule 2 8185 NULL -+ieee80211_if_fmt_dot11MeshHoldingTimeout_8187 ieee80211_if_fmt_dot11MeshHoldingTimeout 3 8187 NULL -+recent_mt_proc_write_8206 recent_mt_proc_write 3 8206 NULL -+rt2x00debug_write_bbp_8212 rt2x00debug_write_bbp 3 8212 NULL -+ad7879_spi_multi_read_8218 ad7879_spi_multi_read 3 8218 NULL -+play_iframe_8219 play_iframe 3 8219 NULL -+create_log_8225 create_log 2 8225 NULL nohasharray -+kvm_mmu_page_set_gfn_8225 kvm_mmu_page_set_gfn 2 8225 &create_log_8225 -+sctp_ssnmap_size_8228 sctp_ssnmap_size 0-1-2 8228 NULL -+ceph_sync_write_8233 ceph_sync_write 4 8233 NULL -+bnx2x_iov_get_max_queue_count_8235 bnx2x_iov_get_max_queue_count 0 8235 NULL -+check_xattr_ref_inode_8244 check_xattr_ref_inode 0 8244 NULL -+add_rx_skb_8257 add_rx_skb 3 8257 NULL -+t3_init_l2t_8261 t3_init_l2t 1 8261 NULL -+init_cdev_8274 init_cdev 1 8274 NULL -+rproc_recovery_write_8281 rproc_recovery_write 3 8281 NULL -+qib_decode_7220_err_8315 qib_decode_7220_err 3 8315 NULL -+construct_key_and_link_8321 construct_key_and_link 4 8321 NULL -+ipwireless_send_packet_8328 ipwireless_send_packet 4 8328 NULL -+tracing_entries_read_8345 tracing_entries_read 3 8345 NULL -+ieee80211_if_fmt_ht_opmode_8347 ieee80211_if_fmt_ht_opmode 3 8347 NULL -+isku_sysfs_write_talk_8360 isku_sysfs_write_talk 6 8360 NULL nohasharray -+ping_getfrag_8360 ping_getfrag 4-3 8360 &isku_sysfs_write_talk_8360 -+uvc_v4l2_compat_ioctl32_8375 uvc_v4l2_compat_ioctl32 3 8375 NULL -+xdi_copy_from_user_8395 xdi_copy_from_user 4 8395 NULL -+zd_rf_scnprint_id_8406 zd_rf_scnprint_id 0-3 8406 NULL -+smk_write_change_rule_8411 smk_write_change_rule 3 8411 NULL nohasharray -+uvc_v4l2_ioctl_8411 uvc_v4l2_ioctl 2 8411 &smk_write_change_rule_8411 -+pca953x_gpio_to_irq_8424 pca953x_gpio_to_irq 2 8424 NULL -+snd_usb_ctl_msg_8436 snd_usb_ctl_msg 8 8436 NULL -+irq_create_mapping_8437 irq_create_mapping 2 8437 NULL -+afs_cell_lookup_8482 afs_cell_lookup 2 8482 NULL -+batadv_tt_len_8502 batadv_tt_len 0-1 8502 NULL -+dev_config_8506 dev_config 3 8506 NULL -+ACL_to_cifs_posix_8509 ACL_to_cifs_posix 3 8509 NULL -+opticon_process_data_packet_8524 opticon_process_data_packet 3 8524 NULL -+pnp_resource_len_8532 pnp_resource_len 0 8532 NULL -+alloc_pg_vec_8533 alloc_pg_vec 2 8533 NULL -+ocfs2_read_virt_blocks_8538 ocfs2_read_virt_blocks 2-3 8538 NULL -+user_on_off_8552 user_on_off 2 8552 NULL -+profile_remove_8556 profile_remove 3 8556 NULL -+cache_slow_downcall_8570 cache_slow_downcall 2 8570 NULL -+mga_ioremap_8571 mga_ioremap 1-2 8571 NULL -+isr_dma0_done_read_8574 isr_dma0_done_read 3 8574 NULL -+tower_write_8580 tower_write 3 8580 NULL -+rtllib_MFIE_rate_len_8606 rtllib_MFIE_rate_len 0 8606 NULL -+shash_setkey_unaligned_8620 shash_setkey_unaligned 3 8620 NULL -+it821x_firmware_command_8628 it821x_firmware_command 3 8628 NULL -+scsi_dma_map_8632 scsi_dma_map 0 8632 NULL -+fuse_send_write_pages_8636 fuse_send_write_pages 0-5 8636 NULL -+generic_acl_set_8658 generic_acl_set 4 8658 NULL -+dio_bio_alloc_8677 dio_bio_alloc 5 8677 NULL -+lbs_bcnmiss_read_8678 lbs_bcnmiss_read 3 8678 NULL -+tc3589x_gpio_irq_unmap_8680 tc3589x_gpio_irq_unmap 2 8680 NULL -+rproc_trace_read_8686 rproc_trace_read 3 8686 NULL -+skb_frag_size_8695 skb_frag_size 0 8695 NULL -+arcfb_write_8702 arcfb_write 3 8702 NULL -+i_size_read_8703 i_size_read 0 8703 NULL nohasharray -+init_header_8703 init_header 0 8703 &i_size_read_8703 -+ctrl_out_8712 ctrl_out 3-5 8712 NULL -+jffs2_acl_count_8729 jffs2_acl_count 0-1 8729 NULL -+f_dupfd_8730 f_dupfd 1 8730 NULL -+__create_irqs_8733 __create_irqs 2-1 8733 NULL -+pca953x_gpio_irq_map_8737 pca953x_gpio_irq_map 2 8737 NULL -+tx_tx_exch_expiry_read_8749 tx_tx_exch_expiry_read 3 8749 NULL -+joydev_compat_ioctl_8765 joydev_compat_ioctl 2 8765 NULL -+sys_prctl_8766 sys_prctl 4 8766 NULL -+x32_arch_ptrace_8767 x32_arch_ptrace 3-4 8767 NULL -+paging32_prefetch_gpte_8783 paging32_prefetch_gpte 4 8783 NULL -+ext4_try_to_write_inline_data_8785 ext4_try_to_write_inline_data 3-4 8785 NULL -+__bitmap_weight_8796 __bitmap_weight 0-2 8796 NULL -+cpuset_common_file_read_8800 cpuset_common_file_read 5 8800 NULL -+metronomefb_write_8823 metronomefb_write 3 8823 NULL -+icmpv6_manip_pkt_8833 icmpv6_manip_pkt 4 8833 NULL nohasharray -+get_queue_depth_8833 get_queue_depth 0 8833 &icmpv6_manip_pkt_8833 -+dvb_ringbuffer_pkt_next_8834 dvb_ringbuffer_pkt_next 0-2 8834 NULL -+usb_ep_queue_8839 usb_ep_queue 0 8839 NULL -+clear_bitset_8840 clear_bitset 2 8840 NULL -+debug_debug1_read_8856 debug_debug1_read 3 8856 NULL -+wa_nep_queue_8858 wa_nep_queue 2 8858 NULL -+compressed_bio_size_8887 compressed_bio_size 0-2 8887 NULL -+tracing_max_lat_read_8890 tracing_max_lat_read 3 8890 NULL -+sdio_max_byte_size_8907 sdio_max_byte_size 0 8907 NULL -+layout_commit_8926 layout_commit 3 8926 NULL -+adjust_priv_size_8935 adjust_priv_size 0-1 8935 NULL -+driver_stats_read_8944 driver_stats_read 3 8944 NULL -+read_file_tgt_stats_8959 read_file_tgt_stats 3 8959 NULL -+seq_bitmap_list_8963 seq_bitmap_list 3 8963 NULL -+usb_allocate_stream_buffers_8964 usb_allocate_stream_buffers 3 8964 NULL -+qib_qsfp_dump_8966 qib_qsfp_dump 0-3 8966 NULL -+venus_mkdir_8967 venus_mkdir 4 8967 NULL -+vol_cdev_read_8968 vol_cdev_read 3 8968 NULL nohasharray -+seq_open_net_8968 seq_open_net 4 8968 &vol_cdev_read_8968 -+bio_integrity_get_tag_8974 bio_integrity_get_tag 3 8974 NULL -+btrfs_alloc_free_block_8986 btrfs_alloc_free_block 3 8986 NULL -+snd_emu10k1_ptr_read_9026 snd_emu10k1_ptr_read 0-2 9026 NULL -+__pskb_copy_9038 __pskb_copy 2 9038 NULL -+nla_put_9042 nla_put 3 9042 NULL -+snd_emu10k1_synth_copy_from_user_9061 snd_emu10k1_synth_copy_from_user 3-5 9061 NULL -+snd_gus_dram_peek_9062 snd_gus_dram_peek 4 9062 NULL -+fib_info_hash_alloc_9075 fib_info_hash_alloc 1 9075 NULL -+string_9080 string 0 9080 NULL -+create_queues_9088 create_queues 2-3 9088 NULL -+ftdi_prepare_write_buffer_9093 ftdi_prepare_write_buffer 3 9093 NULL -+caif_stream_sendmsg_9110 caif_stream_sendmsg 4 9110 NULL nohasharray -+gfn_to_rmap_9110 gfn_to_rmap 2-3 9110 &caif_stream_sendmsg_9110 -+pmcraid_change_queue_depth_9116 pmcraid_change_queue_depth 2 9116 NULL -+isku_sysfs_write_keys_macro_9120 isku_sysfs_write_keys_macro 6 9120 NULL -+mq_remove_mapping_9124 mq_remove_mapping 2 9124 NULL -+mlx4_alloc_resize_umem_9132 mlx4_alloc_resize_umem 3 9132 NULL -+ext4_list_backups_9138 ext4_list_backups 0 9138 NULL -+dbg_command_buf_9165 dbg_command_buf 2 9165 NULL -+isr_irqs_read_9181 isr_irqs_read 3 9181 NULL -+count_leading_zeros_9183 count_leading_zeros 0 9183 NULL -+alloc_group_attrs_9194 alloc_group_attrs 2 9194 NULL nohasharray -+altera_swap_ir_9194 altera_swap_ir 2 9194 &alloc_group_attrs_9194 -+gx1_gx_base_9198 gx1_gx_base 0 9198 NULL -+snd_m3_get_pointer_9206 snd_m3_get_pointer 0 9206 NULL -+get_pfn_9207 get_pfn 1 9207 NULL -+virtqueue_add_9217 virtqueue_add 5-4 9217 NULL -+tx_tx_prepared_descs_read_9221 tx_tx_prepared_descs_read 3 9221 NULL -+sctp_getsockopt_delayed_ack_9232 sctp_getsockopt_delayed_ack 2 9232 NULL -+ocfs2_clear_ext_refcount_9256 ocfs2_clear_ext_refcount 4 9256 NULL -+tcf_csum_ipv4_icmp_9258 tcf_csum_ipv4_icmp 3 9258 NULL -+sparse_early_usemaps_alloc_node_9269 sparse_early_usemaps_alloc_node 4 9269 NULL -+hdpvr_read_9273 hdpvr_read 3 9273 NULL -+flakey_status_9274 flakey_status 5 9274 NULL -+qla82xx_pci_set_window_9303 qla82xx_pci_set_window 0-2 9303 NULL -+iwl_dbgfs_stations_read_9309 iwl_dbgfs_stations_read 3 9309 NULL -+ceph_sync_setxattr_9310 ceph_sync_setxattr 4 9310 NULL -+memblock_find_in_range_node_9328 memblock_find_in_range_node 0-3-4 9328 NULL -+ieee80211_if_fmt_txpower_9334 ieee80211_if_fmt_txpower 3 9334 NULL -+nvme_trans_fmt_get_parm_header_9340 nvme_trans_fmt_get_parm_header 2 9340 NULL -+ocfs2_orphan_for_truncate_9342 ocfs2_orphan_for_truncate 4 9342 NULL -+sta_beacon_loss_count_read_9370 sta_beacon_loss_count_read 3 9370 NULL -+virtqueue_add_outbuf_9395 virtqueue_add_outbuf 3 9395 NULL -+read_9397 read 3 9397 NULL -+nf_nat_sip_expect_9418 nf_nat_sip_expect 8 9418 NULL -+bm_realloc_pages_9431 bm_realloc_pages 2 9431 NULL -+ffs_ep0_write_9438 ffs_ep0_write 3 9438 NULL -+kmalloc_array_9444 kmalloc_array 1-2 9444 NULL -+ieee80211_if_fmt_fwded_unicast_9454 ieee80211_if_fmt_fwded_unicast 3 9454 NULL -+mcs_unwrap_mir_9455 mcs_unwrap_mir 3 9455 NULL -+ext3_xattr_set_acl_9467 ext3_xattr_set_acl 4 9467 NULL -+agp_generic_alloc_user_9470 agp_generic_alloc_user 1 9470 NULL -+__alloc_preds_9492 __alloc_preds 2 9492 NULL nohasharray -+crypt_status_9492 crypt_status 5 9492 &__alloc_preds_9492 -+lp_write_9511 lp_write 3 9511 NULL -+xen_remap_exchanged_ptes_9513 xen_remap_exchanged_ptes 1 9513 NULL -+scsi_tgt_kspace_exec_9522 scsi_tgt_kspace_exec 8 9522 NULL -+read_file_dma_9530 read_file_dma 3 9530 NULL -+ext3_alloc_branch_9534 ext3_alloc_branch 5 9534 NULL -+audit_log_n_untrustedstring_9548 audit_log_n_untrustedstring 3 9548 NULL -+fw_node_create_9559 fw_node_create 2 9559 NULL -+ipath_get_user_pages_9561 ipath_get_user_pages 1-2 9561 NULL -+kobj_map_9566 kobj_map 2-3 9566 NULL -+f2fs_read_data_pages_9574 f2fs_read_data_pages 4 9574 NULL -+biovec_create_pools_9575 biovec_create_pools 2 9575 NULL -+ieee80211_tdls_mgmt_9581 ieee80211_tdls_mgmt 8 9581 NULL -+use_block_rsv_9597 use_block_rsv 3 9597 NULL -+do_sync_9604 do_sync 1 9604 NULL -+snd_emu10k1_fx8010_read_9605 snd_emu10k1_fx8010_read 5-6 9605 NULL -+saa7164_buffer_alloc_user_9627 saa7164_buffer_alloc_user 2 9627 NULL -+ceph_copy_user_to_page_vector_9635 ceph_copy_user_to_page_vector 4-3 9635 NULL -+compat_sys_keyctl_9639 compat_sys_keyctl 4-2-3 9639 NULL -+ocfs2_xattr_get_rec_9652 ocfs2_xattr_get_rec 0 9652 NULL -+uvc_alloc_buffers_9656 uvc_alloc_buffers 2-3 9656 NULL -+queue_received_packet_9657 queue_received_packet 5 9657 NULL -+snd_opl4_mem_proc_write_9670 snd_opl4_mem_proc_write 5 9670 NULL -+ks8842_read16_9676 ks8842_read16 0 9676 NULL nohasharray -+dns_query_9676 dns_query 3 9676 &ks8842_read16_9676 -+qib_7322_handle_hwerrors_9678 qib_7322_handle_hwerrors 3 9678 NULL -+__erst_read_from_storage_9690 __erst_read_from_storage 0 9690 NULL -+is_hole_9694 is_hole 2 9694 NULL nohasharray -+x25_asy_compat_ioctl_9694 x25_asy_compat_ioctl 4 9694 &is_hole_9694 -+fnb_9703 fnb 2-3 9703 NULL -+fuse_iter_npages_9705 fuse_iter_npages 0 9705 NULL nohasharray -+ieee80211_if_read_aid_9705 ieee80211_if_read_aid 3 9705 &fuse_iter_npages_9705 -+nla_get_u8_9736 nla_get_u8 0 9736 NULL -+ieee80211_if_fmt_num_mcast_sta_9738 ieee80211_if_fmt_num_mcast_sta 3 9738 NULL -+ddb_input_read_9743 ddb_input_read 3 9743 NULL -+sta_last_ack_signal_read_9751 sta_last_ack_signal_read 3 9751 NULL -+btrfs_super_root_9763 btrfs_super_root 0 9763 NULL -+__alloc_percpu_9764 __alloc_percpu 1-2 9764 NULL -+__blk_queue_init_tags_9778 __blk_queue_init_tags 2 9778 NULL -+snd_mem_proc_write_9786 snd_mem_proc_write 3 9786 NULL -+ttm_bo_fbdev_io_9805 ttm_bo_fbdev_io 4 9805 NULL -+ieee80211_if_read_state_9813 ieee80211_if_read_state 3 9813 NULL -+pnp_mem_start_9817 pnp_mem_start 0 9817 NULL -+kernel_physical_mapping_init_9818 kernel_physical_mapping_init 0-2-1 9818 NULL -+dvb_dvr_set_buffer_size_9840 dvb_dvr_set_buffer_size 2 9840 NULL -+cfg80211_send_deauth_9862 cfg80211_send_deauth 3 9862 NULL -+pmcraid_alloc_sglist_9864 pmcraid_alloc_sglist 1 9864 NULL -+btrfs_free_reserved_extent_9867 btrfs_free_reserved_extent 2 9867 NULL -+f1x_translate_sysaddr_to_cs_9868 f1x_translate_sysaddr_to_cs 2 9868 NULL -+mlx4_bitmap_alloc_range_9876 mlx4_bitmap_alloc_range 2-3 9876 NULL -+wil_read_file_ioblob_9878 wil_read_file_ioblob 3 9878 NULL -+bm_register_write_9893 bm_register_write 3 9893 NULL nohasharray -+snd_midi_event_new_9893 snd_midi_event_new 1 9893 &bm_register_write_9893 -+snd_gf1_pcm_playback_copy_9895 snd_gf1_pcm_playback_copy 3-5 9895 NULL -+nonpaging_page_fault_9908 nonpaging_page_fault 2 9908 NULL -+gen6_get_total_gtt_size_9913 gen6_get_total_gtt_size 0-1 9913 NULL -+pstore_ftrace_knob_read_9947 pstore_ftrace_knob_read 3 9947 NULL -+read_file_misc_9948 read_file_misc 3 9948 NULL -+set_rxd_buffer_pointer_9950 set_rxd_buffer_pointer 8 9950 NULL -+ext2_new_blocks_9954 ext2_new_blocks 2 9954 NULL -+csum_partial_copy_fromiovecend_9957 csum_partial_copy_fromiovecend 3-4 9957 NULL -+get_free_serial_index_9969 get_free_serial_index 0 9969 NULL -+btrfs_add_link_9973 btrfs_add_link 5 9973 NULL -+ath6kl_usb_submit_ctrl_out_9978 ath6kl_usb_submit_ctrl_out 6 9978 NULL -+SYSC_move_pages_9986 SYSC_move_pages 2 9986 NULL -+aat2870_dump_reg_10019 aat2870_dump_reg 0 10019 NULL -+handle_request_10024 handle_request 9 10024 NULL -+batadv_orig_hash_add_if_10033 batadv_orig_hash_add_if 2 10033 NULL -+ieee80211_probereq_get_10040 ieee80211_probereq_get 4-5 10040 NULL -+xen_destroy_contiguous_region_10054 xen_destroy_contiguous_region 1 10054 NULL -+vfio_pci_write_10063 vfio_pci_write 3 10063 NULL -+ieee80211_set_probe_resp_10077 ieee80211_set_probe_resp 3 10077 NULL -+ufs_bitmap_search_10105 ufs_bitmap_search 0-3 10105 NULL -+get_elem_size_10110 get_elem_size 0-2 10110 NULL nohasharray -+dynamic_ps_timeout_read_10110 dynamic_ps_timeout_read 3 10110 &get_elem_size_10110 -+jbd_alloc_10112 jbd_alloc 0 10112 NULL nohasharray -+gfs2_meta_read_10112 gfs2_meta_read 0 10112 &jbd_alloc_10112 -+offset_to_bit_10134 offset_to_bit 0 10134 NULL -+aes_decrypt_packets_read_10155 aes_decrypt_packets_read 3 10155 NULL -+rx_out_of_mem_read_10157 rx_out_of_mem_read 3 10157 NULL -+hidg_alloc_ep_req_10159 hidg_alloc_ep_req 2 10159 NULL nohasharray -+ol_chunk_entries_10159 ol_chunk_entries 0 10159 &hidg_alloc_ep_req_10159 -+stmpe_irq_unmap_10164 stmpe_irq_unmap 2 10164 NULL -+asd_store_update_bios_10165 asd_store_update_bios 4 10165 NULL -+proc_pid_attr_read_10173 proc_pid_attr_read 3 10173 NULL -+jffs2_user_setxattr_10182 jffs2_user_setxattr 4 10182 NULL -+do_ioctl_trans_10194 do_ioctl_trans 3 10194 NULL -+cciss_proc_write_10259 cciss_proc_write 3 10259 NULL -+__qlcnic_pci_sriov_enable_10281 __qlcnic_pci_sriov_enable 2 10281 NULL -+snd_rme9652_capture_copy_10287 snd_rme9652_capture_copy 5 10287 NULL -+ubi_leb_change_10289 ubi_leb_change 4 10289 NULL -+read_emulate_10310 read_emulate 2-4 10310 NULL -+read_file_spectral_count_10320 read_file_spectral_count 3 10320 NULL -+ttm_object_device_init_10321 ttm_object_device_init 2 10321 NULL -+ubi_leb_read_10328 ubi_leb_read 0 10328 NULL -+tun_sendmsg_10337 tun_sendmsg 4 10337 NULL -+get_dump_page_10338 get_dump_page 1 10338 NULL -+ufx_alloc_urb_list_10349 ufx_alloc_urb_list 3 10349 NULL -+dbAllocAny_10354 dbAllocAny 0 10354 NULL -+ath6kl_listen_int_read_10355 ath6kl_listen_int_read 3 10355 NULL -+ms_write_multiple_pages_10362 ms_write_multiple_pages 6-5 10362 NULL -+sta_ht_capa_read_10366 sta_ht_capa_read 3 10366 NULL -+ecryptfs_decode_and_decrypt_filename_10379 ecryptfs_decode_and_decrypt_filename 5 10379 NULL -+do_compat_pselect_10398 do_compat_pselect 1 10398 NULL -+fwtty_rx_10434 fwtty_rx 3 10434 NULL -+event_phy_transmit_error_read_10471 event_phy_transmit_error_read 3 10471 NULL -+ca91cx42_alloc_resource_10502 ca91cx42_alloc_resource 2 10502 NULL -+qib_alloc_fast_reg_page_list_10507 qib_alloc_fast_reg_page_list 2 10507 NULL -+sel_write_disable_10511 sel_write_disable 3 10511 NULL -+osd_req_write_sg_kern_10514 osd_req_write_sg_kern 5 10514 NULL -+rds_message_alloc_10517 rds_message_alloc 1 10517 NULL -+qlcnic_pci_sriov_enable_10519 qlcnic_pci_sriov_enable 2 10519 NULL nohasharray -+hash_netiface4_expire_10519 hash_netiface4_expire 3 10519 &qlcnic_pci_sriov_enable_10519 -+ocfs2_add_refcounted_extent_10526 ocfs2_add_refcounted_extent 6 10526 NULL -+get_vm_area_caller_10527 get_vm_area_caller 1 10527 NULL -+snd_pcm_lib_read_10536 snd_pcm_lib_read 0-3 10536 NULL -+ieee80211_send_probe_req_10539 ieee80211_send_probe_req 4-6 10539 NULL -+ext4_write_begin_10576 ext4_write_begin 3-4 10576 NULL -+scrub_remap_extent_10588 scrub_remap_extent 2 10588 NULL -+otp_read_10594 otp_read 2-4-5 10594 NULL -+supply_map_read_file_10608 supply_map_read_file 3 10608 NULL -+ima_show_htable_violations_10619 ima_show_htable_violations 3 10619 NULL -+alloc_coherent_10632 alloc_coherent 2 10632 NULL -+nfs_idmap_lookup_id_10660 nfs_idmap_lookup_id 2 10660 NULL -+dtf_read_device_10663 dtf_read_device 3 10663 NULL -+parport_write_10669 parport_write 0 10669 NULL -+inl_10708 inl 0 10708 NULL nohasharray -+selinux_inode_setxattr_10708 selinux_inode_setxattr 4 10708 &inl_10708 -+pvr2_ioread_read_10720 pvr2_ioread_read 3 10720 NULL nohasharray -+shash_async_setkey_10720 shash_async_setkey 3 10720 &pvr2_ioread_read_10720 -+spi_sync_10731 spi_sync 0 10731 NULL -+sctp_getsockopt_maxseg_10737 sctp_getsockopt_maxseg 2 10737 NULL nohasharray -+apu_get_register_10737 apu_get_register 0 10737 &sctp_getsockopt_maxseg_10737 -+compat_sys_msgsnd_10738 compat_sys_msgsnd 2 10738 NULL -+sys_syslog_10746 sys_syslog 3 10746 NULL -+alloc_one_pg_vec_page_10747 alloc_one_pg_vec_page 1 10747 NULL -+vhost_add_used_n_10760 vhost_add_used_n 3 10760 NULL -+kvm_read_guest_atomic_10765 kvm_read_guest_atomic 4-2 10765 NULL -+wb_set_dirty_10778 wb_set_dirty 2 10778 NULL -+__qp_memcpy_to_queue_10779 __qp_memcpy_to_queue 2-4 10779 NULL -+sys_bind_10799 sys_bind 3 10799 NULL -+compat_put_int_10828 compat_put_int 1 10828 NULL -+lbs_sleepparams_read_10840 lbs_sleepparams_read 3 10840 NULL -+ida_get_new_above_10853 ida_get_new_above 2 10853 NULL -+fuse_conn_max_background_read_10855 fuse_conn_max_background_read 3 10855 NULL -+ol_chunk_blocks_10864 ol_chunk_blocks 0 10864 NULL -+snd_pcm_oss_write1_10872 snd_pcm_oss_write1 3 10872 NULL -+mid_get_vbt_data_r0_10876 mid_get_vbt_data_r0 2 10876 NULL -+bl_mark_for_commit_10879 bl_mark_for_commit 2-3 10879 NULL -+get_scq_10897 get_scq 2 10897 NULL -+cgroup_write_string_10900 cgroup_write_string 5 10900 NULL -+tifm_alloc_adapter_10903 tifm_alloc_adapter 1 10903 NULL -+__copy_from_user_10918 __copy_from_user 3 10918 NULL -+da9052_map_irq_10952 da9052_map_irq 2 10952 NULL -+ci_port_test_write_10962 ci_port_test_write 3 10962 NULL -+bm_entry_read_10976 bm_entry_read 3 10976 NULL -+i915_min_freq_write_10981 i915_min_freq_write 3 10981 NULL -+sched_autogroup_write_10984 sched_autogroup_write 3 10984 NULL -+__hci_num_ctrl_10985 __hci_num_ctrl 0 10985 NULL -+xfrm_hash_alloc_10997 xfrm_hash_alloc 1 10997 NULL -+rx_filter_accum_arp_pend_requests_read_11003 rx_filter_accum_arp_pend_requests_read 3 11003 NULL -+SetLineNumber_11023 SetLineNumber 0 11023 NULL -+mb_find_next_bit_11037 mb_find_next_bit 2-3-0 11037 NULL -+tda10048_writeregbulk_11050 tda10048_writeregbulk 4 11050 NULL -+tcp_send_mss_11079 tcp_send_mss 0 11079 NULL -+count_argc_11083 count_argc 0 11083 NULL -+kvm_write_guest_cached_11106 kvm_write_guest_cached 4 11106 NULL -+stmpe_gpio_to_irq_11110 stmpe_gpio_to_irq 2 11110 NULL -+tw_change_queue_depth_11116 tw_change_queue_depth 2 11116 NULL -+page_offset_11120 page_offset 0 11120 NULL -+tracing_buffers_read_11124 tracing_buffers_read 3 11124 NULL nohasharray -+cea_db_payload_len_11124 cea_db_payload_len 0 11124 &tracing_buffers_read_11124 -+alloc_alien_cache_11127 alloc_alien_cache 2 11127 NULL -+acpi_os_map_memory_11161 acpi_os_map_memory 1-2 11161 NULL -+ioat2_alloc_ring_11172 ioat2_alloc_ring 2 11172 NULL nohasharray -+snd_gf1_pcm_playback_silence_11172 snd_gf1_pcm_playback_silence 3-4 11172 &ioat2_alloc_ring_11172 -+__swab16p_11220 __swab16p 0 11220 NULL -+il_dbgfs_rx_queue_read_11221 il_dbgfs_rx_queue_read 3 11221 NULL -+mmap_region_11247 mmap_region 0-2 11247 NULL -+ubifs_write_node_11258 ubifs_write_node 5-3 11258 NULL -+dm_cache_discard_bitset_resize_11262 dm_cache_discard_bitset_resize 3 11262 NULL -+hugetlbfs_read_11268 hugetlbfs_read 3 11268 NULL -+cru_detect_11272 cru_detect 1 11272 NULL -+ext4_xattr_check_names_11314 ext4_xattr_check_names 0 11314 NULL -+tcp_send_rcvq_11316 tcp_send_rcvq 3 11316 NULL -+construct_key_11329 construct_key 3 11329 NULL nohasharray -+__kfifo_out_peek_11329 __kfifo_out_peek 0-3 11329 &construct_key_11329 -+next_segment_11330 next_segment 0-2-1 11330 NULL -+persistent_ram_buffer_map_11332 persistent_ram_buffer_map 1-2 11332 NULL -+ext4_get_inline_size_11349 ext4_get_inline_size 0 11349 NULL -+i915_max_freq_write_11350 i915_max_freq_write 3 11350 NULL -+sel_write_create_11353 sel_write_create 3 11353 NULL -+handle_unit_11355 handle_unit 0-1 11355 NULL -+batadv_skb_head_push_11360 batadv_skb_head_push 2 11360 NULL -+drm_vblank_init_11362 drm_vblank_init 2 11362 NULL -+qib_get_base_info_11369 qib_get_base_info 3 11369 NULL -+isku_sysfs_read_keys_capslock_11392 isku_sysfs_read_keys_capslock 6 11392 NULL -+dev_irnet_write_11398 dev_irnet_write 3 11398 NULL -+___alloc_bootmem_11410 ___alloc_bootmem 1-2 11410 NULL -+str_to_user_11411 str_to_user 2 11411 NULL -+mem_fw_gen_free_mem_blks_read_11413 mem_fw_gen_free_mem_blks_read 3 11413 NULL -+ath6kl_wmi_test_rx_11414 ath6kl_wmi_test_rx 3 11414 NULL -+adis16480_show_firmware_revision_11417 adis16480_show_firmware_revision 3 11417 NULL -+trace_options_read_11419 trace_options_read 3 11419 NULL -+xd_read_multiple_pages_11422 xd_read_multiple_pages 5-4 11422 NULL -+prepare_image_11424 prepare_image 0 11424 NULL -+vring_size_11426 vring_size 0-1-2 11426 NULL -+bttv_read_11432 bttv_read 3 11432 NULL -+create_zero_mask_11453 create_zero_mask 0-1 11453 NULL -+swp_offset_11475 swp_offset 0 11475 NULL -+sca3000_read_first_n_hw_rb_11479 sca3000_read_first_n_hw_rb 2 11479 NULL -+xfs_file_buffered_aio_write_11492 xfs_file_buffered_aio_write 4 11492 NULL -+sd_do_mode_sense_11507 sd_do_mode_sense 5 11507 NULL -+kmem_zalloc_11510 kmem_zalloc 1 11510 NULL -+twl_direction_in_11527 twl_direction_in 2 11527 NULL -+setup_IO_APIC_irq_extra_11537 setup_IO_APIC_irq_extra 1 11537 NULL -+skb_cow_data_11565 skb_cow_data 0-2 11565 NULL -+mlx4_init_cmpt_table_11569 mlx4_init_cmpt_table 3 11569 NULL -+oprofilefs_ulong_to_user_11582 oprofilefs_ulong_to_user 3 11582 NULL -+snd_pcm_action_11589 snd_pcm_action 0 11589 NULL -+fw_device_op_ioctl_11595 fw_device_op_ioctl 2 11595 NULL -+SYSC_mq_timedsend_11607 SYSC_mq_timedsend 3 11607 NULL -+add_new_bitmap_11644 add_new_bitmap 3 11644 NULL -+sisusb_send_bridge_packet_11649 sisusb_send_bridge_packet 2 11649 NULL -+nla_total_size_11658 nla_total_size 0-1 11658 NULL -+ide_queue_pc_tail_11673 ide_queue_pc_tail 5 11673 NULL -+compat_SyS_msgsnd_11675 compat_SyS_msgsnd 2-3 11675 NULL -+btrfs_alloc_delayed_item_11678 btrfs_alloc_delayed_item 1 11678 NULL -+dsp_buffer_alloc_11684 dsp_buffer_alloc 2 11684 NULL -+sctp_setsockopt_hmac_ident_11687 sctp_setsockopt_hmac_ident 3 11687 NULL -+split_11691 split 2 11691 NULL -+snd_ctl_elem_user_tlv_11695 snd_ctl_elem_user_tlv 3 11695 NULL -+blk_rq_cur_bytes_11723 blk_rq_cur_bytes 0 11723 NULL -+tcf_csum_ipv6_icmp_11738 tcf_csum_ipv6_icmp 4 11738 NULL -+nfsd4_get_drc_mem_11748 nfsd4_get_drc_mem 0-1-2 11748 NULL -+dm_bio_prison_create_11749 dm_bio_prison_create 1 11749 NULL -+iwl_dbgfs_qos_read_11753 iwl_dbgfs_qos_read 3 11753 NULL -+ps_pspoll_timeouts_read_11776 ps_pspoll_timeouts_read 3 11776 NULL -+ebt_buf_add_11779 ebt_buf_add 0 11779 NULL -+btrfs_key_blockptr_11786 btrfs_key_blockptr 0 11786 NULL -+pcpu_fc_alloc_11818 pcpu_fc_alloc 2-3 11818 NULL -+zerocopy_sg_from_iovec_11828 zerocopy_sg_from_iovec 3 11828 NULL -+sctp_setsockopt_maxseg_11829 sctp_setsockopt_maxseg 3 11829 NULL -+rts51x_read_status_11830 rts51x_read_status 4 11830 NULL -+unix_stream_connect_11844 unix_stream_connect 3 11844 NULL -+nf_nat_sdp_media_11863 nf_nat_sdp_media 9 11863 NULL -+ecryptfs_copy_filename_11868 ecryptfs_copy_filename 4 11868 NULL -+ieee80211_rx_bss_info_11887 ieee80211_rx_bss_info 3 11887 NULL -+kmalloc_slab_11917 kmalloc_slab 1 11917 NULL -+fs_devrw_entry_11924 fs_devrw_entry 3 11924 NULL -+bitmap_remap_11929 bitmap_remap 5 11929 NULL -+atomic_sub_return_11939 atomic_sub_return 0-1 11939 NULL -+dccp_feat_clone_sp_val_11942 dccp_feat_clone_sp_val 3 11942 NULL -+f1x_swap_interleaved_region_11970 f1x_swap_interleaved_region 0-2 11970 NULL -+atmel_read16_11981 atmel_read16 0 11981 NULL -+read_and_add_raw_conns_11987 read_and_add_raw_conns 0 11987 NULL -+ftdi_elan_total_command_size_12045 ftdi_elan_total_command_size 0 12045 NULL -+ieee80211_if_read_user_power_level_12050 ieee80211_if_read_user_power_level 3 12050 NULL -+il4965_ucode_tx_stats_read_12064 il4965_ucode_tx_stats_read 3 12064 NULL -+ptc_proc_write_12076 ptc_proc_write 3 12076 NULL -+ubifs_recover_log_leb_12079 ubifs_recover_log_leb 3 12079 NULL -+pse36_gfn_delta_12087 pse36_gfn_delta 0-1 12087 NULL -+alloc_bulk_urbs_generic_12127 alloc_bulk_urbs_generic 5 12127 NULL -+set_powered_12129 set_powered 4 12129 NULL -+nfs_writedata_alloc_12133 nfs_writedata_alloc 2 12133 NULL -+ramoops_init_prz_12134 ramoops_init_prz 5 12134 NULL -+xfs_handle_to_dentry_12135 xfs_handle_to_dentry 3 12135 NULL -+batadv_add_packet_12136 batadv_add_packet 3 12136 NULL -+rawv6_seticmpfilter_12137 rawv6_seticmpfilter 5 12137 NULL -+vmw_fifo_reserve_12141 vmw_fifo_reserve 2 12141 NULL -+get_idx_gc_leb_12148 get_idx_gc_leb 0 12148 NULL -+btmrvl_sdio_host_to_card_12152 btmrvl_sdio_host_to_card 3 12152 NULL -+vmbus_open_12154 vmbus_open 2-3 12154 NULL -+wil_rxdesc_phy_length_12165 wil_rxdesc_phy_length 0 12165 NULL -+dma_memcpy_to_iovec_12173 dma_memcpy_to_iovec 5 12173 NULL -+ddp_make_gl_12179 ddp_make_gl 1 12179 NULL -+compat_do_arpt_set_ctl_12184 compat_do_arpt_set_ctl 4 12184 NULL -+ip_generic_getfrag_12187 ip_generic_getfrag 3-4 12187 NULL -+bl_is_sector_init_12199 bl_is_sector_init 2 12199 NULL -+scaled_div_12201 scaled_div 1-2 12201 NULL -+free_initrd_mem_12203 free_initrd_mem 1 12203 NULL -+receive_copy_12216 receive_copy 3 12216 NULL -+snd_pcm_kernel_ioctl_12219 snd_pcm_kernel_ioctl 0 12219 NULL -+fuse_get_req_12221 fuse_get_req 2 12221 NULL nohasharray -+aat2870_reg_read_file_12221 aat2870_reg_read_file 3 12221 &fuse_get_req_12221 -+__alloc_bootmem_low_nopanic_12235 __alloc_bootmem_low_nopanic 1-2 12235 NULL -+ib_uverbs_unmarshall_recv_12251 ib_uverbs_unmarshall_recv 5 12251 NULL -+ath_descdma_setup_12257 ath_descdma_setup 5 12257 NULL -+shash_compat_setkey_12267 shash_compat_setkey 3 12267 NULL -+add_sctp_bind_addr_12269 add_sctp_bind_addr 3 12269 NULL -+note_last_dentry_12285 note_last_dentry 3 12285 NULL -+roundup_to_multiple_of_64_12288 roundup_to_multiple_of_64 0-1 12288 NULL nohasharray -+il_dbgfs_nvm_read_12288 il_dbgfs_nvm_read 3 12288 &roundup_to_multiple_of_64_12288 -+vxge_get_num_vfs_12302 vxge_get_num_vfs 0 12302 NULL -+wrap_min_12303 wrap_min 0-1-2 12303 NULL -+tipc_msg_build_12326 tipc_msg_build 4 12326 NULL -+pcbit_writecmd_12332 pcbit_writecmd 2 12332 NULL -+mptctl_ioctl_12355 mptctl_ioctl 2 12355 NULL -+paging32_walk_addr_12359 paging32_walk_addr 3 12359 NULL -+__nf_ct_ext_add_length_12364 __nf_ct_ext_add_length 3 12364 NULL -+xfs_iext_inline_to_direct_12384 xfs_iext_inline_to_direct 2 12384 NULL -+btrfs_file_extent_ram_bytes_12391 btrfs_file_extent_ram_bytes 0 12391 NULL -+hbucket_elem_add_12416 hbucket_elem_add 3 12416 NULL -+ieee80211_if_read_num_mcast_sta_12419 ieee80211_if_read_num_mcast_sta 3 12419 NULL -+skb_do_copy_data_nocache_12465 skb_do_copy_data_nocache 5 12465 NULL -+qla4_82xx_pci_mem_write_direct_12479 qla4_82xx_pci_mem_write_direct 2 12479 NULL -+x25_sendmsg_12487 x25_sendmsg 4 12487 NULL -+rtllib_auth_challenge_12493 rtllib_auth_challenge 3 12493 NULL -+fnic_trace_ctrl_read_12497 fnic_trace_ctrl_read 3 12497 NULL -+nfs_readdir_make_qstr_12509 nfs_readdir_make_qstr 3 12509 NULL -+qib_alloc_fast_reg_mr_12526 qib_alloc_fast_reg_mr 2 12526 NULL -+kvm_setup_async_pf_12555 kvm_setup_async_pf 3 12555 NULL -+ib_umem_get_12557 ib_umem_get 2-3 12557 NULL -+hvc_alloc_12579 hvc_alloc 4 12579 NULL -+snd_pcm_plugin_alloc_12580 snd_pcm_plugin_alloc 2 12580 NULL -+macvtap_compat_ioctl_12587 macvtap_compat_ioctl 3 12587 NULL -+pcpu_extend_area_map_12589 pcpu_extend_area_map 2 12589 NULL -+ipv6_get_l4proto_12600 ipv6_get_l4proto 2 12600 NULL -+vhci_put_user_12604 vhci_put_user 4 12604 NULL -+fc_fcp_frame_alloc_12624 fc_fcp_frame_alloc 2 12624 NULL -+pwr_rcvd_awake_bcns_cnt_read_12632 pwr_rcvd_awake_bcns_cnt_read 3 12632 NULL -+ctrl_cdev_compat_ioctl_12634 ctrl_cdev_compat_ioctl 3 12634 NULL -+pn_sendmsg_12640 pn_sendmsg 4 12640 NULL -+dwc3_link_state_write_12641 dwc3_link_state_write 3 12641 NULL -+wb_create_12651 wb_create 1 12651 NULL -+ocfs2_read_block_12659 ocfs2_read_block 0 12659 NULL -+sel_read_class_12669 sel_read_class 3 12669 NULL nohasharray -+sparse_mem_maps_populate_node_12669 sparse_mem_maps_populate_node 4 12669 &sel_read_class_12669 -+ieee80211_if_read_num_buffered_multicast_12716 ieee80211_if_read_num_buffered_multicast 3 12716 NULL -+ivtv_write_12721 ivtv_write 3 12721 NULL -+key_rx_spec_read_12736 key_rx_spec_read 3 12736 NULL -+__mei_cl_async_send_12737 __mei_cl_async_send 3 12737 NULL -+__videobuf_alloc_cached_12740 __videobuf_alloc_cached 1 12740 NULL -+ieee80211_if_read_dot11MeshMaxRetries_12756 ieee80211_if_read_dot11MeshMaxRetries 3 12756 NULL -+listxattr_12769 listxattr 3 12769 NULL -+sctp_ssnmap_init_12772 sctp_ssnmap_init 2-3 12772 NULL -+ieee80211_rx_mgmt_beacon_12780 ieee80211_rx_mgmt_beacon 3 12780 NULL -+platform_create_bundle_12785 platform_create_bundle 4-6 12785 NULL -+btrfs_remove_free_space_12793 btrfs_remove_free_space 2 12793 NULL -+scsi_adjust_queue_depth_12802 scsi_adjust_queue_depth 3 12802 NULL -+xfs_inumbers_fmt_12817 xfs_inumbers_fmt 3 12817 NULL -+readq_12825 readq 0 12825 NULL -+TSS_authhmac_12839 TSS_authhmac 3 12839 NULL -+spidev_sync_12842 spidev_sync 0 12842 NULL nohasharray -+ath6kl_wmi_add_wow_pattern_cmd_12842 ath6kl_wmi_add_wow_pattern_cmd 4 12842 &spidev_sync_12842 -+spidev_ioctl_12846 spidev_ioctl 2 12846 NULL -+get_leb_cnt_12892 get_leb_cnt 0-2 12892 NULL -+ocfs2_hamming_encode_block_12904 ocfs2_hamming_encode_block 2 12904 NULL -+get_virtual_node_size_12908 get_virtual_node_size 0 12908 NULL -+rds_pages_in_vec_12922 rds_pages_in_vec 0 12922 NULL -+ci_ll_init_12930 ci_ll_init 3 12930 NULL -+do_inode_permission_12946 do_inode_permission 0 12946 NULL -+bm_status_write_12964 bm_status_write 3 12964 NULL -+_drbd_md_first_sector_12984 _drbd_md_first_sector 0 12984 NULL -+raid56_parity_recover_12987 raid56_parity_recover 5 12987 NULL -+acpi_tb_install_table_12988 acpi_tb_install_table 1 12988 NULL -+TransmitTcb_12989 TransmitTcb 4 12989 NULL -+sk_peek_offset_12991 sk_peek_offset 0 12991 NULL -+subsystem_filter_write_13022 subsystem_filter_write 3 13022 NULL -+generic_segment_checks_13041 generic_segment_checks 0 13041 NULL -+ocfs2_write_begin_13045 ocfs2_write_begin 3-4 13045 NULL -+__dn_setsockopt_13060 __dn_setsockopt 5 13060 NULL -+biovec_create_pool_13079 biovec_create_pool 2 13079 NULL -+irq_set_chip_and_handler_13088 irq_set_chip_and_handler 1 13088 NULL -+xattr_getsecurity_13090 xattr_getsecurity 0 13090 NULL -+blk_rq_map_sg_13092 blk_rq_map_sg 0 13092 NULL -+mb_find_next_zero_bit_13100 mb_find_next_zero_bit 2-3 13100 NULL -+ubifs_compat_ioctl_13108 ubifs_compat_ioctl 3 13108 NULL -+snd_rme96_playback_copy_13111 snd_rme96_playback_copy 5 13111 NULL -+xen_allocate_irq_dynamic_13116 xen_allocate_irq_dynamic 0 13116 NULL -+bfad_debugfs_read_13119 bfad_debugfs_read 3 13119 NULL -+blk_update_request_13146 blk_update_request 3 13146 NULL -+caif_stream_recvmsg_13173 caif_stream_recvmsg 4 13173 NULL -+pwr_disable_ps_read_13176 pwr_disable_ps_read 3 13176 NULL -+ucs2_strlen_13178 ucs2_strlen 0 13178 NULL -+dgrp_net_ioctl_13183 dgrp_net_ioctl 2 13183 NULL -+create_trace_uprobe_13184 create_trace_uprobe 1 13184 NULL -+compat_put_ulong_13186 compat_put_ulong 1 13186 NULL -+__cmpxchg64_13187 __cmpxchg64 0 13187 NULL -+comedi_read_13199 comedi_read 3 13199 NULL -+mmc_ext_csd_read_13205 mmc_ext_csd_read 3 13205 NULL -+__nodes_fold_13215 __nodes_fold 4 13215 NULL -+svm_msrpm_offset_13220 svm_msrpm_offset 0-1 13220 NULL -+fnic_trace_ctrl_write_13229 fnic_trace_ctrl_write 3 13229 NULL -+asix_read_cmd_13245 asix_read_cmd 5 13245 NULL -+fw_download_code_13249 fw_download_code 3 13249 NULL nohasharray -+kvm_lapic_enable_pv_eoi_13249 kvm_lapic_enable_pv_eoi 2 13249 &fw_download_code_13249 -+init_tid_tabs_13252 init_tid_tabs 2-3-4 13252 NULL -+hostap_80211_get_hdrlen_13255 hostap_80211_get_hdrlen 0 13255 NULL -+bio_integrity_trim_13259 bio_integrity_trim 3 13259 NULL -+c4iw_reg_user_mr_13269 c4iw_reg_user_mr 2-3 13269 NULL -+carl9170_rx_13272 carl9170_rx 3 13272 NULL -+pmcraid_notify_aen_13274 pmcraid_notify_aen 3 13274 NULL -+il4965_stats_flag_13281 il4965_stats_flag 0-3 13281 NULL -+lpfc_idiag_mbxacc_get_setup_13282 lpfc_idiag_mbxacc_get_setup 0 13282 NULL -+platform_device_add_resources_13289 platform_device_add_resources 3 13289 NULL -+i915_drop_caches_write_13308 i915_drop_caches_write 3 13308 NULL -+reexecute_instruction_13321 reexecute_instruction 2 13321 NULL -+us122l_ctl_msg_13330 us122l_ctl_msg 8 13330 NULL -+__clone_and_map_data_bio_13334 __clone_and_map_data_bio 4-8 13334 NULL -+kvm_read_nested_guest_page_13337 kvm_read_nested_guest_page 5-2 13337 NULL -+cache_ctr_13364 cache_ctr 2 13364 NULL -+mthca_alloc_mtt_range_13371 mthca_alloc_mtt_range 2 13371 NULL -+iso_sched_alloc_13377 iso_sched_alloc 1 13377 NULL nohasharray -+wep_key_not_found_read_13377 wep_key_not_found_read 3 13377 &iso_sched_alloc_13377 -+dis_bypass_write_13388 dis_bypass_write 3 13388 NULL -+carl9170_rx_untie_data_13405 carl9170_rx_untie_data 3 13405 NULL -+sky2_receive_13407 sky2_receive 2 13407 NULL -+netxen_alloc_sds_rings_13417 netxen_alloc_sds_rings 2 13417 NULL -+keyring_read_13438 keyring_read 3 13438 NULL -+sctp_setsockopt_peer_primary_addr_13440 sctp_setsockopt_peer_primary_addr 3 13440 NULL nohasharray -+set_tap_pwup_pfs_13440 set_tap_pwup_pfs 3 13440 &sctp_setsockopt_peer_primary_addr_13440 -+ath6kl_cfg80211_connect_event_13443 ath6kl_cfg80211_connect_event 8-9-7 13443 NULL -+mthca_buddy_alloc_13454 mthca_buddy_alloc 2 13454 NULL -+ocfs2_align_bytes_to_blocks_13512 ocfs2_align_bytes_to_blocks 2 13512 NULL -+core_status_13515 core_status 4 13515 NULL -+smk_write_mapped_13519 smk_write_mapped 3 13519 NULL -+bm_init_13529 bm_init 2 13529 NULL -+non_atomic_pte_lookup_13540 non_atomic_pte_lookup 2 13540 NULL nohasharray -+SYSC_remap_file_pages_13540 SYSC_remap_file_pages 1 13540 &non_atomic_pte_lookup_13540 -+ieee80211_if_read_ap_power_level_13558 ieee80211_if_read_ap_power_level 3 13558 NULL -+ubifs_get_idx_gc_leb_13566 ubifs_get_idx_gc_leb 0 13566 NULL -+sys_madvise_13569 sys_madvise 1 13569 NULL -+read_file_antenna_13574 read_file_antenna 3 13574 NULL -+cache_write_13589 cache_write 3 13589 NULL -+mpt_lan_receive_post_turbo_13592 mpt_lan_receive_post_turbo 2 13592 NULL -+aac_sa_ioremap_13596 aac_sa_ioremap 2 13596 NULL nohasharray -+irias_new_octseq_value_13596 irias_new_octseq_value 2 13596 &aac_sa_ioremap_13596 -+usb_dump_interface_descriptor_13603 usb_dump_interface_descriptor 0 13603 NULL -+swap_cgroup_swapon_13614 swap_cgroup_swapon 2 13614 NULL -+wm8994_bulk_write_13615 wm8994_bulk_write 2-3 13615 NULL -+pmcraid_get_minor_13619 pmcraid_get_minor 0 13619 NULL -+iio_device_add_event_sysfs_13627 iio_device_add_event_sysfs 0 13627 NULL -+packet_snd_13634 packet_snd 3 13634 NULL -+blk_msg_write_13655 blk_msg_write 3 13655 NULL -+cache_downcall_13666 cache_downcall 3 13666 NULL -+fw_iso_buffer_alloc_13704 fw_iso_buffer_alloc 2 13704 NULL -+audit_unpack_string_13748 audit_unpack_string 3 13748 NULL -+ufs_dtog_13750 ufs_dtog 0-2 13750 NULL -+ieee802154_alloc_device_13767 ieee802154_alloc_device 1 13767 NULL -+fb_sys_read_13778 fb_sys_read 3 13778 NULL -+ath6kl_mgmt_powersave_ap_13791 ath6kl_mgmt_powersave_ap 6 13791 NULL -+random_read_13815 random_read 3 13815 NULL -+hsi_register_board_info_13820 hsi_register_board_info 2 13820 NULL -+___mei_cl_send_13821 ___mei_cl_send 3 13821 NULL -+evdev_ioctl_compat_13851 evdev_ioctl_compat 2-3 13851 NULL -+compat_ip_setsockopt_13870 compat_ip_setsockopt 5 13870 NULL nohasharray -+alloc_trace_uprobe_13870 alloc_trace_uprobe 3 13870 &compat_ip_setsockopt_13870 -+qp_memcpy_to_queue_13886 qp_memcpy_to_queue 2-5 13886 NULL -+snd_pcm_aio_read_13900 snd_pcm_aio_read 3 13900 NULL -+ext3_xattr_block_get_13936 ext3_xattr_block_get 0 13936 NULL -+ieee80211_if_read_dot11MeshForwarding_13940 ieee80211_if_read_dot11MeshForwarding 3 13940 NULL nohasharray -+ocfs2_xa_value_truncate_13940 ocfs2_xa_value_truncate 2 13940 &ieee80211_if_read_dot11MeshForwarding_13940 -+iwl_dbgfs_protection_mode_read_13943 iwl_dbgfs_protection_mode_read 3 13943 NULL -+compat_chaninfo_13945 compat_chaninfo 2 13945 NULL -+ieee80211_if_read_min_discovery_timeout_13946 ieee80211_if_read_min_discovery_timeout 3 13946 NULL -+lpfc_idiag_queacc_read_13950 lpfc_idiag_queacc_read 3 13950 NULL -+snd_pcm_plug_slave_size_13967 snd_pcm_plug_slave_size 0-2 13967 NULL -+com90xx_found_13974 com90xx_found 3 13974 NULL -+qcam_read_13977 qcam_read 3 13977 NULL -+dsp_read_13980 dsp_read 2 13980 NULL -+bm_block_bits_13981 bm_block_bits 0 13981 NULL nohasharray -+dvb_demux_read_13981 dvb_demux_read 3 13981 &bm_block_bits_13981 -+btrfs_get_blocks_direct_14016 btrfs_get_blocks_direct 2 14016 NULL -+dmi_format_ids_14018 dmi_format_ids 2 14018 NULL -+_rtl92s_firmware_downloadcode_14021 _rtl92s_firmware_downloadcode 3 14021 NULL -+iscsi_create_flashnode_conn_14022 iscsi_create_flashnode_conn 4 14022 NULL -+dvb_usercopy_14036 dvb_usercopy 2 14036 NULL -+read_def_modal_eeprom_14041 read_def_modal_eeprom 3 14041 NULL -+ieee80211_if_fmt_aid_14055 ieee80211_if_fmt_aid 3 14055 NULL -+sta_agg_status_read_14058 sta_agg_status_read 3 14058 NULL -+i915_drop_caches_read_14060 i915_drop_caches_read 3 14060 NULL -+do_proc_readlink_14096 do_proc_readlink 3 14096 NULL -+compat_sys_pselect6_14105 compat_sys_pselect6 1 14105 NULL -+nlmsg_len_14115 nlmsg_len 0 14115 NULL -+vfio_fops_compat_ioctl_14130 vfio_fops_compat_ioctl 3 14130 NULL -+ntfs_rl_replace_14136 ntfs_rl_replace 2-4 14136 NULL -+isku_sysfs_read_light_14140 isku_sysfs_read_light 6 14140 NULL -+em_canid_change_14150 em_canid_change 3 14150 NULL -+gsm_dlci_data_14155 gsm_dlci_data 3 14155 NULL -+print_input_mask_14168 print_input_mask 3-0 14168 NULL -+ocfs2_xattr_value_truncate_14183 ocfs2_xattr_value_truncate 3 14183 NULL -+alloc_async_14208 alloc_async 1 14208 NULL -+sys_kexec_load_14222 sys_kexec_load 2 14222 NULL -+ieee80211_if_write_uapsd_max_sp_len_14233 ieee80211_if_write_uapsd_max_sp_len 3 14233 NULL -+dma_declare_coherent_memory_14244 dma_declare_coherent_memory 4-2 14244 NULL -+snd_soc_hw_bulk_write_raw_14245 snd_soc_hw_bulk_write_raw 2-4 14245 NULL -+reiserfs_compat_ioctl_14265 reiserfs_compat_ioctl 3 14265 NULL -+ath6kl_connect_event_14267 ath6kl_connect_event 8-9-7 14267 NULL -+add_numbered_child_14273 add_numbered_child 5 14273 NULL -+OS_mem_token_alloc_14276 OS_mem_token_alloc 1 14276 NULL -+snd_seq_oss_readq_new_14283 snd_seq_oss_readq_new 2 14283 NULL -+rr_status_14293 rr_status 5 14293 NULL -+read_default_ldt_14302 read_default_ldt 2 14302 NULL -+oo_objects_14319 oo_objects 0 14319 NULL -+p9_client_zc_rpc_14345 p9_client_zc_rpc 7 14345 NULL -+scsi2int_14358 scsi2int 0 14358 NULL -+snd_pcm_lib_readv_14363 snd_pcm_lib_readv 0-3 14363 NULL -+acpi_get_override_irq_14381 acpi_get_override_irq 1 14381 NULL -+ath6kl_regdump_read_14393 ath6kl_regdump_read 3 14393 NULL -+smk_write_onlycap_14400 smk_write_onlycap 3 14400 NULL -+mtd_concat_create_14416 mtd_concat_create 2 14416 NULL -+get_kcore_size_14425 get_kcore_size 0 14425 NULL -+check_lpt_crc_14442 check_lpt_crc 0 14442 NULL -+block_size_14443 block_size 0 14443 NULL -+ci13xxx_add_device_14456 ci13xxx_add_device 3 14456 NULL -+snd_emu10k1_proc_spdif_status_14457 snd_emu10k1_proc_spdif_status 4-5 14457 NULL -+udplite_getfrag_14479 udplite_getfrag 3-4 14479 NULL -+ieee80211_if_read_dot11MeshGateAnnouncementProtocol_14486 ieee80211_if_read_dot11MeshGateAnnouncementProtocol 3 14486 NULL -+ocfs2_debug_read_14507 ocfs2_debug_read 3 14507 NULL -+dataflash_read_user_otp_14536 dataflash_read_user_otp 2-3 14536 NULL nohasharray -+ep0_write_14536 ep0_write 3 14536 &dataflash_read_user_otp_14536 -+picolcd_debug_eeprom_read_14549 picolcd_debug_eeprom_read 3 14549 NULL -+drm_vmalloc_dma_14550 drm_vmalloc_dma 1 14550 NULL -+usb_dump_desc_14553 usb_dump_desc 0 14553 NULL -+qp_host_alloc_queue_14566 qp_host_alloc_queue 1 14566 NULL -+SyS_setdomainname_14569 SyS_setdomainname 2 14569 NULL -+remap_to_origin_then_cache_14583 remap_to_origin_then_cache 3 14583 NULL -+idmap_pipe_downcall_14591 idmap_pipe_downcall 3 14591 NULL -+ceph_osdc_alloc_request_14597 ceph_osdc_alloc_request 3 14597 NULL -+ocfs2_trim_group_14641 ocfs2_trim_group 4-3 14641 NULL -+dbJoin_14644 dbJoin 0 14644 NULL -+profile_replace_14652 profile_replace 3 14652 NULL -+pipeline_enc_tx_stat_fifo_int_read_14680 pipeline_enc_tx_stat_fifo_int_read 3 14680 NULL -+ieee80211_if_fmt_rc_rateidx_mask_2ghz_14683 ieee80211_if_fmt_rc_rateidx_mask_2ghz 3 14683 NULL -+tsi148_master_set_14685 tsi148_master_set 4 14685 NULL -+SyS_fsetxattr_14702 SyS_fsetxattr 4 14702 NULL -+persistent_ram_ecc_string_14704 persistent_ram_ecc_string 0 14704 NULL -+u_audio_playback_14709 u_audio_playback 3 14709 NULL -+get_bio_block_14714 get_bio_block 0 14714 NULL -+vfd_write_14717 vfd_write 3 14717 NULL -+__blk_end_request_14729 __blk_end_request 3 14729 NULL -+raid1_resize_14740 raid1_resize 2 14740 NULL -+btrfs_inode_extref_name_len_14752 btrfs_inode_extref_name_len 0 14752 NULL -+rx_rx_cmplt_read_14753 rx_rx_cmplt_read 3 14753 NULL -+qla82xx_pci_mem_write_2M_14765 qla82xx_pci_mem_write_2M 2 14765 NULL -+regmap_range_read_file_14775 regmap_range_read_file 3 14775 NULL -+sta_dev_read_14782 sta_dev_read 3 14782 NULL -+ext4_kvmalloc_14796 ext4_kvmalloc 1 14796 NULL -+hpet_readl_14801 hpet_readl 0 14801 NULL nohasharray -+snd_als300_gcr_read_14801 snd_als300_gcr_read 0 14801 &hpet_readl_14801 -+bcma_scan_read32_14802 bcma_scan_read32 0 14802 NULL -+do_tune_cpucache_14828 do_tune_cpucache 2 14828 NULL -+__mutex_fastpath_lock_retval_14844 __mutex_fastpath_lock_retval 0 14844 NULL -+mrp_attr_create_14853 mrp_attr_create 3 14853 NULL -+lcd_write_14857 lcd_write 3 14857 NULL nohasharray -+__krealloc_14857 __krealloc 2 14857 &lcd_write_14857 -+get_user_cpu_mask_14861 get_user_cpu_mask 2 14861 NULL -+sriov_enable_migration_14889 sriov_enable_migration 2 14889 NULL -+acpi_os_allocate_14892 acpi_os_allocate 1 14892 NULL -+unifi_read_14899 unifi_read 3 14899 NULL -+SYSC_readv_14901 SYSC_readv 3 14901 NULL -+krealloc_14908 krealloc 2 14908 NULL -+regmap_irq_get_virq_14910 regmap_irq_get_virq 2 14910 NULL -+__arch_hweight64_14923 __arch_hweight64 0 14923 NULL nohasharray -+qp_memcpy_to_queue_iov_14923 qp_memcpy_to_queue_iov 2-5 14923 &__arch_hweight64_14923 -+ocfs2_expand_nonsparse_inode_14936 ocfs2_expand_nonsparse_inode 3-4 14936 NULL -+queue_cnt_14951 queue_cnt 0 14951 NULL -+videobuf_read_stream_14956 videobuf_read_stream 3 14956 NULL -+mce_flush_rx_buffer_14976 mce_flush_rx_buffer 2 14976 NULL -+setkey_14987 setkey 3 14987 NULL nohasharray -+gpio_twl4030_write_14987 gpio_twl4030_write 1 14987 &setkey_14987 -+xfs_dinode_size_14996 xfs_dinode_size 0 14996 NULL -+vmap_15025 vmap 2 15025 NULL -+blk_integrity_tuple_size_15027 blk_integrity_tuple_size 0 15027 NULL -+irq_get_next_irq_15053 irq_get_next_irq 1 15053 NULL -+cld_pipe_downcall_15058 cld_pipe_downcall 3 15058 NULL -+ieee80211_if_read_uapsd_max_sp_len_15067 ieee80211_if_read_uapsd_max_sp_len 3 15067 NULL -+nfs4_write_cached_acl_15070 nfs4_write_cached_acl 4 15070 NULL -+ntfs_copy_from_user_15072 ntfs_copy_from_user 3-5 15072 NULL -+compat_SyS_preadv_15105 compat_SyS_preadv 3 15105 NULL -+hex_dump_to_buffer_15121 hex_dump_to_buffer 6 15121 NULL -+start_port_15124 start_port 0 15124 NULL -+memchr_15126 memchr 0 15126 NULL -+ipwireless_ppp_mru_15153 ipwireless_ppp_mru 0 15153 NULL -+self_check_not_bad_15175 self_check_not_bad 0 15175 NULL -+SYSC_setdomainname_15180 SYSC_setdomainname 2 15180 NULL -+iscsi_create_endpoint_15193 iscsi_create_endpoint 1 15193 NULL -+reserve_resources_15194 reserve_resources 3 15194 NULL -+bfad_debugfs_write_regrd_15218 bfad_debugfs_write_regrd 3 15218 NULL -+il_dbgfs_rx_stats_read_15243 il_dbgfs_rx_stats_read 3 15243 NULL -+div64_u64_15263 div64_u64 0-1-2 15263 NULL -+compat_raw_ioctl_15290 compat_raw_ioctl 3 15290 NULL -+sys_connect_15291 sys_connect 3 15291 NULL nohasharray -+xlate_dev_mem_ptr_15291 xlate_dev_mem_ptr 1 15291 &sys_connect_15291 -+arch_enable_uv_irq_15294 arch_enable_uv_irq 2 15294 NULL -+acpi_ev_create_gpe_block_15297 acpi_ev_create_gpe_block 5 15297 NULL -+tpm_tis_init_15304 tpm_tis_init 2-3 15304 NULL -+fcoe_ctlr_send_keep_alive_15308 fcoe_ctlr_send_keep_alive 3 15308 NULL -+__ocfs2_remove_xattr_range_15330 __ocfs2_remove_xattr_range 4-5-3 15330 NULL -+kovaplus_sysfs_read_15337 kovaplus_sysfs_read 6 15337 NULL -+ioread16_15342 ioread16 0 15342 NULL -+alloc_ring_15345 alloc_ring 2-4 15345 NULL -+acpi_ut_create_string_object_15360 acpi_ut_create_string_object 1 15360 NULL -+graph_depth_read_15371 graph_depth_read 3 15371 NULL -+compat_sys_process_vm_readv_15374 compat_sys_process_vm_readv 3-5 15374 NULL -+fq_codel_zalloc_15378 fq_codel_zalloc 1 15378 NULL -+domain_flush_pages_15379 domain_flush_pages 2-3 15379 NULL -+alloc_fddidev_15382 alloc_fddidev 1 15382 NULL -+btrfs_level_size_15392 btrfs_level_size 0 15392 NULL -+pipeline_csum_to_rx_xfer_swi_read_15403 pipeline_csum_to_rx_xfer_swi_read 3 15403 NULL -+get_modalias_15406 get_modalias 2 15406 NULL -+dm_cache_resize_15422 dm_cache_resize 2 15422 NULL -+__videobuf_copy_to_user_15423 __videobuf_copy_to_user 4 15423 NULL -+tcp_mtu_to_mss_15438 tcp_mtu_to_mss 2 15438 NULL -+hpsa_change_queue_depth_15449 hpsa_change_queue_depth 2 15449 NULL -+memweight_15450 memweight 2 15450 NULL -+vmalloc_15464 vmalloc 1 15464 NULL -+zd_chip_is_zd1211b_15518 zd_chip_is_zd1211b 0 15518 NULL -+da9052_bat_irq_15533 da9052_bat_irq 1 15533 NULL -+p9_check_zc_errors_15534 p9_check_zc_errors 4 15534 NULL -+ql_process_mac_rx_page_15543 ql_process_mac_rx_page 4 15543 NULL -+ieee80211_amsdu_to_8023s_15561 ieee80211_amsdu_to_8023s 5 15561 NULL -+persistent_status_15574 persistent_status 4 15574 NULL -+bnx2fc_process_unsol_compl_15576 bnx2fc_process_unsol_compl 2 15576 NULL -+vme_user_write_15587 vme_user_write 3 15587 NULL -+ocfs2_truncate_rec_15595 ocfs2_truncate_rec 7 15595 NULL -+sx150x_install_irq_chip_15609 sx150x_install_irq_chip 3 15609 NULL -+iommu_device_max_index_15620 iommu_device_max_index 0-3-2-1 15620 NULL nohasharray -+compat_fillonedir_15620 compat_fillonedir 3 15620 &iommu_device_max_index_15620 -+set_dis_tap_pfs_15621 set_dis_tap_pfs 3 15621 NULL -+proc_loginuid_read_15631 proc_loginuid_read 3 15631 NULL -+tomoyo_scan_bprm_15642 tomoyo_scan_bprm 2-4 15642 NULL nohasharray -+sk_memory_allocated_add_15642 sk_memory_allocated_add 2 15642 &tomoyo_scan_bprm_15642 nohasharray -+pipeline_hs_tx_stat_fifo_int_read_15642 pipeline_hs_tx_stat_fifo_int_read 3 15642 &sk_memory_allocated_add_15642 -+fs_path_add_15648 fs_path_add 3 15648 NULL -+xsd_read_15653 xsd_read 3 15653 NULL -+compat_sys_fcntl_15654 compat_sys_fcntl 3 15654 NULL -+unix_bind_15668 unix_bind 3 15668 NULL -+dm_read_15674 dm_read 3 15674 NULL -+pstore_mkfile_15675 pstore_mkfile 6 15675 NULL -+uf_sme_queue_message_15697 uf_sme_queue_message 3 15697 NULL -+ocfs2_split_tree_15716 ocfs2_split_tree 5 15716 NULL -+HiSax_readstatus_15752 HiSax_readstatus 2 15752 NULL -+bitmap_search_next_usable_block_15762 bitmap_search_next_usable_block 3-1 15762 NULL -+do_test_15766 do_test 1 15766 NULL -+set_std_nic_pfs_15792 set_std_nic_pfs 3 15792 NULL -+smk_read_direct_15803 smk_read_direct 3 15803 NULL -+snd_pcm_ioctl_compat_15804 snd_pcm_ioctl_compat 3 15804 NULL -+gx1_read_conf_reg_15817 gx1_read_conf_reg 0 15817 NULL nohasharray -+nameseq_list_15817 nameseq_list 3 15817 &gx1_read_conf_reg_15817 nohasharray -+gnttab_expand_15817 gnttab_expand 1 15817 &nameseq_list_15817 -+afs_proc_rootcell_write_15822 afs_proc_rootcell_write 3 15822 NULL nohasharray -+firmware_upload_15822 firmware_upload 3 15822 &afs_proc_rootcell_write_15822 -+brcmf_sdbrcm_died_dump_15841 brcmf_sdbrcm_died_dump 3 15841 NULL -+table_size_15851 table_size 0-1-2 15851 NULL -+ubi_io_write_15870 ubi_io_write 5-4 15870 NULL nohasharray -+media_entity_init_15870 media_entity_init 2-4 15870 &ubi_io_write_15870 -+__mptctl_ioctl_15875 __mptctl_ioctl 2 15875 NULL -+nfs_map_group_to_gid_15892 nfs_map_group_to_gid 3 15892 NULL -+native_read_msr_15905 native_read_msr 0 15905 NULL -+parse_audio_stream_data_15937 parse_audio_stream_data 3 15937 NULL -+power_read_15939 power_read 3 15939 NULL -+lpfc_idiag_drbacc_read_15948 lpfc_idiag_drbacc_read 3 15948 NULL -+snd_pcm_lib_read_transfer_15952 snd_pcm_lib_read_transfer 4-2-5 15952 NULL -+remap_pci_mem_15966 remap_pci_mem 1-2 15966 NULL -+tfrc_calc_x_15975 tfrc_calc_x 1-2 15975 NULL -+frame_alloc_15981 frame_alloc 4 15981 NULL -+alloc_vm_area_15989 alloc_vm_area 1 15989 NULL -+hdpvr_register_videodev_16010 hdpvr_register_videodev 3 16010 NULL -+viafb_vt1636_proc_write_16018 viafb_vt1636_proc_write 3 16018 NULL -+got_frame_16028 got_frame 2 16028 NULL -+read_file_spectral_period_16057 read_file_spectral_period 3 16057 NULL -+isr_tx_exch_complete_read_16103 isr_tx_exch_complete_read 3 16103 NULL -+dma_tx_requested_read_16110 dma_tx_requested_read 3 16110 NULL nohasharray -+isr_hw_pm_mode_changes_read_16110 isr_hw_pm_mode_changes_read 3 16110 &dma_tx_requested_read_16110 -+irq_set_chip_and_handler_name_16111 irq_set_chip_and_handler_name 1 16111 NULL -+snd_dma_pointer_16126 snd_dma_pointer 0-2 16126 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 -+ext4_xattr_block_get_16148 ext4_xattr_block_get 0 16148 NULL -+bnx2i_get_cid_num_16166 bnx2i_get_cid_num 0 16166 NULL -+mapping_level_16188 mapping_level 2 16188 NULL -+cipso_v4_map_cat_rng_hton_16203 cipso_v4_map_cat_rng_hton 0 16203 NULL -+SyS_pselect6_16210 SyS_pselect6 1 16210 NULL -+create_table_16213 create_table 2 16213 NULL -+atomic_read_file_16227 atomic_read_file 3 16227 NULL -+BcmGetSectionValStartOffset_16235 BcmGetSectionValStartOffset 0 16235 NULL -+swiotlb_sync_single_for_device_16247 swiotlb_sync_single_for_device 2 16247 NULL nohasharray -+btrfs_dev_extent_chunk_offset_16247 btrfs_dev_extent_chunk_offset 0 16247 &swiotlb_sync_single_for_device_16247 -+mark_written_sectors_16262 mark_written_sectors 2 16262 NULL -+reiserfs_acl_count_16265 reiserfs_acl_count 0-1 16265 NULL -+set_disc_pfs_16270 set_disc_pfs 3 16270 NULL -+mq_force_mapping_16277 mq_force_mapping 2 16277 NULL -+ocfs2_xattr_bucket_value_truncate_16279 ocfs2_xattr_bucket_value_truncate 4 16279 NULL -+drbd_setsockopt_16280 drbd_setsockopt 5 16280 NULL nohasharray -+nand_bch_init_16280 nand_bch_init 3-2 16280 &drbd_setsockopt_16280 -+account_16283 account 0-2-4 16283 NULL nohasharray -+mirror_status_16283 mirror_status 5 16283 &account_16283 -+retry_instruction_16285 retry_instruction 2 16285 NULL -+stk_allocate_buffers_16291 stk_allocate_buffers 2 16291 NULL -+rbd_segment_offset_16293 rbd_segment_offset 0-2 16293 NULL -+tfrc_invert_loss_event_rate_16295 tfrc_invert_loss_event_rate 1 16295 NULL -+rsc_mgr_init_16299 rsc_mgr_init 3 16299 NULL -+wb_map_16301 wb_map 2 16301 NULL -+ext4_blocks_count_16320 ext4_blocks_count 0 16320 NULL -+vmw_cursor_update_image_16332 vmw_cursor_update_image 3-4 16332 NULL -+total_ps_buffered_read_16365 total_ps_buffered_read 3 16365 NULL -+iscsi_tcp_conn_setup_16376 iscsi_tcp_conn_setup 2 16376 NULL -+nl80211_send_unprot_deauth_16378 nl80211_send_unprot_deauth 4 16378 NULL -+diva_os_malloc_16406 diva_os_malloc 2 16406 NULL -+ieee80211_if_read_tsf_16420 ieee80211_if_read_tsf 3 16420 NULL -+rxrpc_server_keyring_16431 rxrpc_server_keyring 3 16431 NULL -+netlink_change_ngroups_16457 netlink_change_ngroups 2 16457 NULL -+tracing_readme_read_16493 tracing_readme_read 3 16493 NULL -+snd_interval_max_16529 snd_interval_max 0 16529 NULL -+raid10_resize_16537 raid10_resize 2 16537 NULL -+tcp_manip_pkt_16563 tcp_manip_pkt 4 16563 NULL -+lpfc_debugfs_read_16566 lpfc_debugfs_read 3 16566 NULL -+agp_allocate_memory_wrap_16576 agp_allocate_memory_wrap 1 16576 NULL -+virt_to_scatterlist_16582 virt_to_scatterlist 2 16582 NULL -+palmas_irq_get_virq_16613 palmas_irq_get_virq 2 16613 NULL -+btrfs_get_token_32_16651 btrfs_get_token_32 0 16651 NULL -+mfd_add_devices_16668 mfd_add_devices 4 16668 NULL -+ax88179_write_cmd_async_16671 ax88179_write_cmd_async 5 16671 NULL -+arcmsr_adjust_disk_queue_depth_16756 arcmsr_adjust_disk_queue_depth 2 16756 NULL -+compat_blkdev_driver_ioctl_16769 compat_blkdev_driver_ioctl 4 16769 NULL -+blk_rq_map_user_iov_16772 blk_rq_map_user_iov 5 16772 NULL -+i2o_parm_issue_16790 i2o_parm_issue 0 16790 NULL -+get_server_iovec_16804 get_server_iovec 2 16804 NULL -+tipc_send2name_16809 tipc_send2name 6 16809 NULL -+dm_vcalloc_16814 dm_vcalloc 1-2 16814 NULL -+drm_malloc_ab_16831 drm_malloc_ab 1-2 16831 NULL -+scsi_mode_sense_16835 scsi_mode_sense 5 16835 NULL -+hfsplus_min_io_size_16859 hfsplus_min_io_size 0 16859 NULL -+vfio_pci_rw_16861 vfio_pci_rw 3 16861 NULL -+alloc_idx_lebs_16872 alloc_idx_lebs 2 16872 NULL -+carl9170_debugfs_ampdu_state_read_16873 carl9170_debugfs_ampdu_state_read 3 16873 NULL -+st_write_16874 st_write 3 16874 NULL -+__kfifo_peek_n_16877 __kfifo_peek_n 0 16877 NULL -+idx_to_pfn_16919 idx_to_pfn 0 16919 NULL -+psb_unlocked_ioctl_16926 psb_unlocked_ioctl 2 16926 NULL nohasharray -+snd_gf1_mem_proc_dump_16926 snd_gf1_mem_proc_dump 5 16926 &psb_unlocked_ioctl_16926 -+_sp2d_alloc_16944 _sp2d_alloc 1-2-3 16944 NULL -+squashfs_read_table_16945 squashfs_read_table 3 16945 NULL -+cfg80211_send_unprot_disassoc_16951 cfg80211_send_unprot_disassoc 3 16951 NULL -+keyctl_instantiate_key_iov_16969 keyctl_instantiate_key_iov 3 16969 NULL -+ceph_read_dir_17005 ceph_read_dir 3 17005 NULL -+copy_counters_to_user_17027 copy_counters_to_user 5 17027 NULL -+jffs2_trusted_setxattr_17048 jffs2_trusted_setxattr 4 17048 NULL -+__arch_hweight32_17060 __arch_hweight32 0 17060 NULL -+dvb_dvr_read_17073 dvb_dvr_read 3 17073 NULL -+simple_transaction_read_17076 simple_transaction_read 3 17076 NULL -+__kmalloc_reserve_17080 __kmalloc_reserve 1 17080 NULL -+carl9170_debugfs_mem_usage_read_17084 carl9170_debugfs_mem_usage_read 3 17084 NULL -+mac_address_string_17091 mac_address_string 0 17091 NULL -+entry_length_17093 entry_length 0 17093 NULL -+sys_preadv_17100 sys_preadv 3 17100 NULL -+pvr2_hdw_state_report_17121 pvr2_hdw_state_report 3 17121 NULL -+mwifiex_get_common_rates_17131 mwifiex_get_common_rates 3 17131 NULL -+nouveau_instobj_create__17144 nouveau_instobj_create_ 4 17144 NULL -+sep_read_17161 sep_read 3 17161 NULL -+befs_nls2utf_17163 befs_nls2utf 3 17163 NULL -+tx_tx_start_templates_read_17164 tx_tx_start_templates_read 3 17164 NULL -+UniStrnlen_17169 UniStrnlen 0 17169 NULL -+access_remote_vm_17189 access_remote_vm 0-2-4 17189 NULL -+driver_state_read_17194 driver_state_read 3 17194 NULL nohasharray -+iscsit_find_cmd_from_itt_or_dump_17194 iscsit_find_cmd_from_itt_or_dump 3 17194 &driver_state_read_17194 -+dn_recvmsg_17213 dn_recvmsg 4 17213 NULL -+to_oblock_17254 to_oblock 0-1 17254 NULL -+unpack_value_17259 unpack_value 1 17259 NULL -+__be16_to_cpup_17261 __be16_to_cpup 0 17261 NULL -+error_error_frame_cts_nul_flid_read_17262 error_error_frame_cts_nul_flid_read 3 17262 NULL -+alloc_ep_17269 alloc_ep 1 17269 NULL -+pg_read_17276 pg_read 3 17276 NULL -+raw_recvmsg_17277 raw_recvmsg 4 17277 NULL -+hmac_sha256_17278 hmac_sha256 2 17278 NULL -+neigh_hash_grow_17283 neigh_hash_grow 2 17283 NULL -+minstrel_stats_read_17290 minstrel_stats_read 3 17290 NULL -+install_breakpoint_17292 install_breakpoint 4 17292 NULL -+ieee80211_if_fmt_dot11MeshForwarding_17301 ieee80211_if_fmt_dot11MeshForwarding 3 17301 NULL -+skb_pad_17302 skb_pad 2 17302 NULL -+mb_cache_create_17307 mb_cache_create 2 17307 NULL -+gnttab_map_frames_v2_17314 gnttab_map_frames_v2 2 17314 NULL -+ata_host_alloc_pinfo_17325 ata_host_alloc_pinfo 3 17325 NULL -+ieee80211_if_read_dot11MeshHWMPperrMinInterval_17346 ieee80211_if_read_dot11MeshHWMPperrMinInterval 3 17346 NULL -+ath6kl_wmi_send_mgmt_cmd_17347 ath6kl_wmi_send_mgmt_cmd 7 17347 NULL -+_fd_dma_mem_free_17406 _fd_dma_mem_free 1 17406 NULL -+lpfc_debugfs_dif_err_write_17424 lpfc_debugfs_dif_err_write 3 17424 NULL -+sta_connected_time_read_17435 sta_connected_time_read 3 17435 NULL -+SYSC_fcntl_17441 SYSC_fcntl 3 17441 NULL -+nla_get_u32_17455 nla_get_u32 0 17455 NULL -+__ref_totlen_17461 __ref_totlen 0 17461 NULL -+compat_cmd_17465 compat_cmd 2 17465 NULL -+probe_bios_17467 probe_bios 1 17467 NULL -+probe_kernel_write_17481 probe_kernel_write 3 17481 NULL -+__alloc_session_17485 __alloc_session 2-1 17485 NULL -+TSS_rawhmac_17486 TSS_rawhmac 3 17486 NULL -+bitmap_pos_to_ord_17503 bitmap_pos_to_ord 3 17503 NULL -+__copy_to_user_17551 __copy_to_user 0-3 17551 NULL -+copy_from_user_17559 copy_from_user 3 17559 NULL -+acpi_ut_create_package_object_17594 acpi_ut_create_package_object 1 17594 NULL -+neigh_hash_alloc_17595 neigh_hash_alloc 1 17595 NULL -+rts51x_write_mem_17598 rts51x_write_mem 4 17598 NULL -+iwl_dump_nic_event_log_17601 iwl_dump_nic_event_log 0 17601 NULL -+wm8994_gpio_to_irq_17604 wm8994_gpio_to_irq 2 17604 NULL -+osst_execute_17607 osst_execute 7-6 17607 NULL -+ocfs2_mark_extent_written_17615 ocfs2_mark_extent_written 6 17615 NULL -+ieee80211_if_read_dot11MeshHWMPactivePathToRootTimeout_17618 ieee80211_if_read_dot11MeshHWMPactivePathToRootTimeout 3 17618 NULL -+twl4030_set_gpio_direction_17645 twl4030_set_gpio_direction 1 17645 NULL -+SYSC_migrate_pages_17657 SYSC_migrate_pages 2 17657 NULL -+packet_setsockopt_17662 packet_setsockopt 5 17662 NULL nohasharray -+ubi_io_read_data_17662 ubi_io_read_data 0 17662 &packet_setsockopt_17662 -+pwr_enable_ps_read_17686 pwr_enable_ps_read 3 17686 NULL -+gfn_to_pfn_memslot_17693 gfn_to_pfn_memslot 2 17693 NULL -+__einj_error_trigger_17707 __einj_error_trigger 1 17707 NULL nohasharray -+venus_rename_17707 venus_rename 5-4 17707 &__einj_error_trigger_17707 -+isku_sysfs_write_keys_function_17726 isku_sysfs_write_keys_function 6 17726 NULL -+exofs_read_lookup_dev_table_17733 exofs_read_lookup_dev_table 3 17733 NULL -+sctpprobe_read_17741 sctpprobe_read 3 17741 NULL -+mark_unsafe_pages_17759 mark_unsafe_pages 0 17759 NULL -+brcmf_usb_attach_17766 brcmf_usb_attach 2-3 17766 NULL -+dtf_read_run_17768 dtf_read_run 3 17768 NULL -+brcmf_sdio_chip_verifynvram_17776 brcmf_sdio_chip_verifynvram 4 17776 NULL -+hash_ipport6_expire_17784 hash_ipport6_expire 3 17784 NULL -+perf_clock_17787 perf_clock 0 17787 NULL -+ubifs_leb_change_17789 ubifs_leb_change 4 17789 NULL -+_snd_pcm_lib_alloc_vmalloc_buffer_17820 _snd_pcm_lib_alloc_vmalloc_buffer 2 17820 NULL -+gnet_stats_copy_app_17821 gnet_stats_copy_app 3 17821 NULL -+cipso_v4_gentag_rbm_17836 cipso_v4_gentag_rbm 0 17836 NULL -+count_leafs_17842 count_leafs 0 17842 NULL -+sisusb_send_bulk_msg_17864 sisusb_send_bulk_msg 3 17864 NULL -+alloc_sja1000dev_17868 alloc_sja1000dev 1 17868 NULL -+ray_cs_essid_proc_write_17875 ray_cs_essid_proc_write 3 17875 NULL -+orinoco_set_key_17878 orinoco_set_key 5-7 17878 NULL -+init_per_cpu_17880 init_per_cpu 1 17880 NULL -+ieee80211_if_fmt_dot11MeshMaxPeerLinks_17883 ieee80211_if_fmt_dot11MeshMaxPeerLinks 3 17883 NULL -+compat_sys_pwritev_17886 compat_sys_pwritev 3 17886 NULL -+ieee80211_if_fmt_dot11MeshHWMPRootMode_17890 ieee80211_if_fmt_dot11MeshHWMPRootMode 3 17890 NULL -+ocfs2_clusters_to_blocks_17896 ocfs2_clusters_to_blocks 0-2 17896 NULL -+recover_head_17904 recover_head 3 17904 NULL -+dccp_feat_register_sp_17914 dccp_feat_register_sp 5 17914 NULL -+xfs_buf_associate_memory_17915 xfs_buf_associate_memory 3 17915 NULL -+srp_iu_pool_alloc_17920 srp_iu_pool_alloc 2 17920 NULL -+scsi_bufflen_17933 scsi_bufflen 0 17933 NULL -+ufs_free_blocks_17963 ufs_free_blocks 2-3 17963 NULL -+calc_nr_buckets_17976 calc_nr_buckets 0 17976 NULL -+smk_write_cipso_17989 smk_write_cipso 3 17989 NULL -+gnttab_max_grant_frames_17993 gnttab_max_grant_frames 0 17993 NULL -+ext4_num_overhead_clusters_18001 ext4_num_overhead_clusters 2 18001 NULL -+pvr2_v4l2_read_18006 pvr2_v4l2_read 3 18006 NULL -+alloc_rx_desc_ring_18016 alloc_rx_desc_ring 2 18016 NULL -+fill_read_18019 fill_read 0 18019 NULL -+o2hb_highest_node_18034 o2hb_highest_node 2 18034 NULL -+cryptd_alloc_instance_18048 cryptd_alloc_instance 2-3 18048 NULL -+find_next_inuse_18051 find_next_inuse 2-3 18051 NULL -+ddebug_proc_write_18055 ddebug_proc_write 3 18055 NULL -+lua_sysfs_read_18062 lua_sysfs_read 6 18062 NULL -+hex_byte_pack_18064 hex_byte_pack 0 18064 NULL -+packet_came_18072 packet_came 3 18072 NULL -+kvm_read_guest_page_18074 kvm_read_guest_page 5-2 18074 NULL -+SYSC_pselect6_18076 SYSC_pselect6 1 18076 NULL -+get_vm_area_18080 get_vm_area 1 18080 NULL -+SYSC_semtimedop_18091 SYSC_semtimedop 3 18091 NULL -+mpi_alloc_18094 mpi_alloc 1 18094 NULL -+dfs_file_read_18116 dfs_file_read 3 18116 NULL -+svc_getnl_18120 svc_getnl 0 18120 NULL -+paging32_gpte_to_gfn_lvl_18131 paging32_gpte_to_gfn_lvl 0-1-2 18131 NULL -+vmw_surface_dma_size_18132 vmw_surface_dma_size 0 18132 NULL -+selinux_inode_setsecurity_18148 selinux_inode_setsecurity 4 18148 NULL -+_has_tag_18169 _has_tag 2 18169 NULL -+pccard_store_cis_18176 pccard_store_cis 6 18176 NULL -+orinoco_add_extscan_result_18207 orinoco_add_extscan_result 3 18207 NULL -+gsm_control_message_18209 gsm_control_message 4 18209 NULL -+do_ipv6_setsockopt_18215 do_ipv6_setsockopt 5 18215 NULL -+gnttab_alloc_grant_references_18240 gnttab_alloc_grant_references 1 18240 NULL -+alloc_trace_uprobe_18247 alloc_trace_uprobe 3 18247 NULL -+snd_ctl_ioctl_compat_18250 snd_ctl_ioctl_compat 3 18250 NULL -+qdisc_class_hash_alloc_18262 qdisc_class_hash_alloc 1 18262 NULL -+gfs2_alloc_sort_buffer_18275 gfs2_alloc_sort_buffer 1 18275 NULL -+alloc_ring_18278 alloc_ring 2-4 18278 NULL -+find_dirty_idx_leb_18280 find_dirty_idx_leb 0 18280 NULL -+nouveau_subdev_create__18281 nouveau_subdev_create_ 7 18281 NULL nohasharray -+bio_phys_segments_18281 bio_phys_segments 0 18281 &nouveau_subdev_create__18281 -+ext4_readpages_18283 ext4_readpages 4 18283 NULL -+mmc_send_bus_test_18285 mmc_send_bus_test 4 18285 NULL -+um_idi_write_18293 um_idi_write 3 18293 NULL -+nouveau_disp_create__18305 nouveau_disp_create_ 4-7 18305 NULL -+ip6ip6_err_18308 ip6ip6_err 5 18308 NULL -+vga_r_18310 vga_r 0 18310 NULL -+ecryptfs_send_message_18322 ecryptfs_send_message 2 18322 NULL -+bio_integrity_advance_18324 bio_integrity_advance 2 18324 NULL -+pwr_power_save_off_read_18355 pwr_power_save_off_read 3 18355 NULL -+xlbd_reserve_minors_18365 xlbd_reserve_minors 1-2 18365 NULL -+SyS_process_vm_readv_18366 SyS_process_vm_readv 3-5 18366 NULL -+ep_io_18367 ep_io 0 18367 NULL -+qib_user_sdma_num_pages_18371 qib_user_sdma_num_pages 0 18371 NULL -+ci_role_write_18388 ci_role_write 3 18388 NULL -+__video_register_device_18399 __video_register_device 3 18399 NULL -+hash_ip4_expire_18402 hash_ip4_expire 3 18402 NULL nohasharray -+adis16136_show_serial_18402 adis16136_show_serial 3 18402 &hash_ip4_expire_18402 -+crystalhd_user_data_18407 crystalhd_user_data 3 18407 NULL -+usbnet_write_cmd_nopm_18426 usbnet_write_cmd_nopm 7 18426 NULL -+batadv_orig_node_add_if_18433 batadv_orig_node_add_if 2 18433 NULL nohasharray -+iscsi_create_flashnode_sess_18433 iscsi_create_flashnode_sess 4 18433 &batadv_orig_node_add_if_18433 -+snd_hda_get_connections_18437 snd_hda_get_connections 0 18437 NULL -+fuse_perform_write_18457 fuse_perform_write 4 18457 NULL -+regset_tls_set_18459 regset_tls_set 4 18459 NULL -+dma_alloc_from_contiguous_18466 dma_alloc_from_contiguous 3-2 18466 NULL -+pci_vpd_lrdt_size_18479 pci_vpd_lrdt_size 0 18479 NULL -+udpv6_setsockopt_18487 udpv6_setsockopt 5 18487 NULL -+snd_gus_dram_poke_18525 snd_gus_dram_poke 4 18525 NULL -+nouveau_fifo_channel_create__18530 nouveau_fifo_channel_create_ 5-6-9 18530 NULL -+seq_copy_in_user_18543 seq_copy_in_user 3 18543 NULL -+acpi_register_gsi_ioapic_18550 acpi_register_gsi_ioapic 2 18550 NULL -+sas_change_queue_depth_18555 sas_change_queue_depth 2 18555 NULL -+smk_write_rules_list_18565 smk_write_rules_list 3 18565 NULL -+debug_output_18575 debug_output 3 18575 NULL -+check_lpt_type_18577 check_lpt_type 0 18577 NULL -+__netdev_alloc_skb_18595 __netdev_alloc_skb 2 18595 NULL -+filemap_fdatawait_range_18600 filemap_fdatawait_range 0 18600 NULL nohasharray -+slabinfo_write_18600 slabinfo_write 3 18600 &filemap_fdatawait_range_18600 -+iowarrior_write_18604 iowarrior_write 3 18604 NULL -+batadv_arp_get_type_18609 batadv_arp_get_type 3 18609 NULL -+from_buffer_18625 from_buffer 3 18625 NULL -+snd_pcm_oss_write3_18657 snd_pcm_oss_write3 0-3 18657 NULL -+ieee80211_if_fmt_rssi_threshold_18664 ieee80211_if_fmt_rssi_threshold 3 18664 NULL -+unmap_page_18665 unmap_page 2-3 18665 NULL -+xfs_iext_insert_18667 xfs_iext_insert 3 18667 NULL -+replay_log_leb_18704 replay_log_leb 3 18704 NULL -+unlocked_compat_ipmi_ioctl_18708 unlocked_compat_ipmi_ioctl 3 18708 NULL nohasharray -+iwl_dbgfs_rx_handlers_read_18708 iwl_dbgfs_rx_handlers_read 3 18708 &unlocked_compat_ipmi_ioctl_18708 -+ceph_alloc_page_vector_18710 ceph_alloc_page_vector 1 18710 NULL -+ocfs2_trim_extent_18711 ocfs2_trim_extent 4-3 18711 NULL -+compat_SyS_writev_18712 compat_SyS_writev 3 18712 NULL -+blk_rq_bytes_18715 blk_rq_bytes 0 18715 NULL -+snd_als4k_gcr_read_addr_18741 snd_als4k_gcr_read_addr 0 18741 NULL -+o2hb_debug_create_18744 o2hb_debug_create 4 18744 NULL -+__erst_read_to_erange_from_nvram_18748 __erst_read_to_erange_from_nvram 0 18748 NULL -+wep_packets_read_18751 wep_packets_read 3 18751 NULL -+md_compat_ioctl_18764 md_compat_ioctl 4 18764 NULL -+read_file_dump_nfcal_18766 read_file_dump_nfcal 3 18766 NULL -+ffs_epfile_read_18775 ffs_epfile_read 3 18775 NULL -+SyS_lsetxattr_18776 SyS_lsetxattr 4 18776 NULL -+alloc_fcdev_18780 alloc_fcdev 1 18780 NULL -+fat_compat_dir_ioctl_18800 fat_compat_dir_ioctl 3 18800 NULL -+ieee80211_auth_challenge_18810 ieee80211_auth_challenge 3 18810 NULL -+madvise_hwpoison_18812 madvise_hwpoison 2 18812 NULL -+setup_ioapic_irq_18813 setup_ioapic_irq 1 18813 NULL -+sys_modify_ldt_18824 sys_modify_ldt 3 18824 NULL -+mtf_test_write_18844 mtf_test_write 3 18844 NULL -+drm_ht_create_18853 drm_ht_create 2 18853 NULL -+sctp_setsockopt_events_18862 sctp_setsockopt_events 3 18862 NULL -+ieee80211_if_read_element_ttl_18869 ieee80211_if_read_element_ttl 3 18869 NULL -+xlog_find_verify_log_record_18870 xlog_find_verify_log_record 2 18870 NULL -+___alloc_bootmem_node_18882 ___alloc_bootmem_node 2-3 18882 NULL -+width_to_agaw_18883 width_to_agaw 0-1 18883 NULL -+ceph_setxattr_18913 ceph_setxattr 4 18913 NULL -+mangle_packet_18920 mangle_packet 7-9 18920 NULL -+snapshot_write_next_18937 snapshot_write_next 0 18937 NULL -+regcache_sync_block_18963 regcache_sync_block 3-4 18963 NULL -+__nla_reserve_18974 __nla_reserve 3 18974 NULL -+gfn_to_pfn_atomic_18981 gfn_to_pfn_atomic 2 18981 NULL -+find_dirtiest_idx_leb_19001 find_dirtiest_idx_leb 0 19001 NULL -+layout_in_gaps_19006 layout_in_gaps 2 19006 NULL -+huge_page_size_19008 huge_page_size 0 19008 NULL -+usbdev_compat_ioctl_19026 usbdev_compat_ioctl 3 19026 NULL -+prepare_highmem_image_19028 prepare_highmem_image 0 19028 NULL -+revalidate_19043 revalidate 2 19043 NULL -+drm_fb_helper_init_19044 drm_fb_helper_init 3-4 19044 NULL -+create_gpadl_header_19064 create_gpadl_header 2 19064 NULL -+ieee80211_key_alloc_19065 ieee80211_key_alloc 3 19065 NULL -+msix_map_region_19072 msix_map_region 2 19072 NULL -+ceph_create_snap_context_19082 ceph_create_snap_context 1 19082 NULL -+sys_process_vm_readv_19090 sys_process_vm_readv 3-5 19090 NULL nohasharray -+brcmf_usbdev_qinit_19090 brcmf_usbdev_qinit 2 19090 &sys_process_vm_readv_19090 -+sta_last_seq_ctrl_read_19106 sta_last_seq_ctrl_read 3 19106 NULL -+cifs_readv_from_socket_19109 cifs_readv_from_socket 3 19109 NULL -+skb_gro_offset_19123 skb_gro_offset 0 19123 NULL -+ext4_inode_table_19125 ext4_inode_table 0 19125 NULL -+snd_als4k_iobase_readl_19136 snd_als4k_iobase_readl 0 19136 NULL -+alloc_irdadev_19140 alloc_irdadev 1 19140 NULL -+sleep_auth_read_19159 sleep_auth_read 3 19159 NULL -+smk_write_access2_19170 smk_write_access2 3 19170 NULL -+iwl_dbgfs_reply_tx_error_read_19205 iwl_dbgfs_reply_tx_error_read 3 19205 NULL -+vmw_unlocked_ioctl_19212 vmw_unlocked_ioctl 2 19212 NULL -+__copy_to_user_inatomic_19214 __copy_to_user_inatomic 3 19214 NULL -+dev_counters_read_19216 dev_counters_read 3 19216 NULL -+wbcir_tx_19219 wbcir_tx 3 19219 NULL -+gsi_to_irq_19220 gsi_to_irq 0-1 19220 NULL -+snd_mask_max_19224 snd_mask_max 0 19224 NULL -+bio_alloc_mddev_19238 bio_alloc_mddev 2 19238 NULL -+sys_fcntl_19267 sys_fcntl 3 19267 NULL -+il_dbgfs_rxon_filter_flags_read_19281 il_dbgfs_rxon_filter_flags_read 3 19281 NULL -+io_mapping_map_wc_19284 io_mapping_map_wc 2 19284 NULL -+qc_capture_19298 qc_capture 3 19298 NULL -+ocfs2_prepare_inode_for_refcount_19303 ocfs2_prepare_inode_for_refcount 3-4 19303 NULL -+event_tx_stuck_read_19305 event_tx_stuck_read 3 19305 NULL -+gfn_to_gpa_19320 gfn_to_gpa 0-1 19320 NULL -+debug_read_19322 debug_read 3 19322 NULL -+cfg80211_inform_bss_19332 cfg80211_inform_bss 8 19332 NULL -+closure_sub_19359 closure_sub 2 19359 NULL -+read_zero_19366 read_zero 3 19366 NULL -+interpret_user_input_19393 interpret_user_input 2 19393 NULL -+sync_fill_pt_info_19397 sync_fill_pt_info 0 19397 NULL -+get_n_events_by_type_19401 get_n_events_by_type 0 19401 NULL -+dvbdmx_write_19423 dvbdmx_write 3 19423 NULL -+__phys_addr_19434 __phys_addr 0 19434 NULL -+SyS_sched_getaffinity_19444 SyS_sched_getaffinity 2 19444 NULL -+xfrm_alg_auth_len_19454 xfrm_alg_auth_len 0 19454 NULL -+hpet_compat_ioctl_19455 hpet_compat_ioctl 3 19455 NULL -+gnet_stats_copy_19458 gnet_stats_copy 4 19458 NULL -+sky2_read16_19475 sky2_read16 0 19475 NULL -+efivar_create_sysfs_entry_19485 efivar_create_sysfs_entry 2 19485 NULL -+ext4_add_new_descs_19509 ext4_add_new_descs 3 19509 NULL -+skb_realloc_headroom_19516 skb_realloc_headroom 2 19516 NULL -+dev_alloc_skb_19517 dev_alloc_skb 1 19517 NULL -+nfc_llcp_build_tlv_19536 nfc_llcp_build_tlv 3 19536 NULL -+gfn_to_index_19558 gfn_to_index 0-1-3-2 19558 NULL -+ocfs2_control_message_19564 ocfs2_control_message 3 19564 NULL -+ieee80211_if_read_tkip_mic_test_19565 ieee80211_if_read_tkip_mic_test 3 19565 NULL nohasharray -+wlcore_hw_get_rx_packet_len_19565 wlcore_hw_get_rx_packet_len 0 19565 &ieee80211_if_read_tkip_mic_test_19565 -+nfsd_read_19568 nfsd_read 5 19568 NULL -+cgroup_read_s64_19570 cgroup_read_s64 5 19570 NULL -+bm_status_read_19583 bm_status_read 3 19583 NULL -+batadv_tt_update_orig_19586 batadv_tt_update_orig 4 19586 NULL -+load_xattr_datum_19594 load_xattr_datum 0 19594 NULL -+__mei_cl_recv_19636 __mei_cl_recv 3 19636 NULL -+usbvision_rvmalloc_19655 usbvision_rvmalloc 1 19655 NULL -+LoadBitmap_19658 LoadBitmap 2 19658 NULL -+usbnet_write_cmd_19679 usbnet_write_cmd 7 19679 NULL -+bio_detain_19690 bio_detain 2 19690 NULL -+mem_cgroup_swappiness_19718 mem_cgroup_swappiness 0 19718 NULL -+read_reg_19723 read_reg 0 19723 NULL -+wm8350_block_write_19727 wm8350_block_write 3-2 19727 NULL -+memcpy_toiovecend_19736 memcpy_toiovecend 4-3 19736 NULL -+snd_es1968_get_dma_ptr_19747 snd_es1968_get_dma_ptr 0 19747 NULL -+p9_client_read_19750 p9_client_read 5 19750 NULL -+pnpbios_proc_write_19758 pnpbios_proc_write 3 19758 NULL -+ocfs2_readpages_19759 ocfs2_readpages 4 19759 NULL -+jffs2_acl_from_medium_19762 jffs2_acl_from_medium 2 19762 NULL -+__set_print_fmt_19776 __set_print_fmt 0 19776 NULL -+saa7146_vmalloc_build_pgtable_19780 saa7146_vmalloc_build_pgtable 2 19780 NULL -+irda_setsockopt_19824 irda_setsockopt 5 19824 NULL -+pcpu_next_unpop_19831 pcpu_next_unpop 4 19831 NULL -+vfs_getxattr_19832 vfs_getxattr 0 19832 NULL -+security_context_to_sid_19839 security_context_to_sid 2 19839 NULL -+crypt_alloc_buffer_19846 crypt_alloc_buffer 2 19846 NULL -+cfg80211_mlme_register_mgmt_19852 cfg80211_mlme_register_mgmt 5 19852 NULL -+__nla_put_19857 __nla_put 3 19857 NULL -+ip6gre_err_19869 ip6gre_err 5 19869 NULL -+mrp_request_join_19882 mrp_request_join 4 19882 NULL -+aes_decrypt_interrupt_read_19910 aes_decrypt_interrupt_read 3 19910 NULL -+ps_upsd_max_apturn_read_19918 ps_upsd_max_apturn_read 3 19918 NULL -+cgroup_task_count_19930 cgroup_task_count 0 19930 NULL -+iwl_dbgfs_rx_queue_read_19943 iwl_dbgfs_rx_queue_read 3 19943 NULL -+attach_hdlc_protocol_19986 attach_hdlc_protocol 3 19986 NULL -+diva_um_idi_read_20003 diva_um_idi_read 0 20003 NULL -+SYSC_fgetxattr_20027 SYSC_fgetxattr 4 20027 NULL -+split_scan_timeout_read_20029 split_scan_timeout_read 3 20029 NULL -+alloc_ieee80211_20063 alloc_ieee80211 1 20063 NULL -+btrfs_pin_extent_for_log_replay_20069 btrfs_pin_extent_for_log_replay 2 20069 NULL -+rawv6_sendmsg_20080 rawv6_sendmsg 4 20080 NULL -+fuse_conn_limit_read_20084 fuse_conn_limit_read 3 20084 NULL -+team_options_register_20091 team_options_register 3 20091 NULL -+qla2x00_adjust_sdev_qdepth_up_20097 qla2x00_adjust_sdev_qdepth_up 2 20097 NULL -+hptiop_adjust_disk_queue_depth_20122 hptiop_adjust_disk_queue_depth 2 20122 NULL -+tomoyo_commit_ok_20167 tomoyo_commit_ok 2 20167 NULL -+read_flush_pipefs_20171 read_flush_pipefs 3 20171 NULL -+wep_addr_key_count_read_20174 wep_addr_key_count_read 3 20174 NULL -+create_trace_probe_20175 create_trace_probe 1 20175 NULL -+crystalhd_map_dio_20181 crystalhd_map_dio 3 20181 NULL -+udf_bitmap_new_block_20214 udf_bitmap_new_block 4 20214 NULL -+pvr2_ctrl_value_to_sym_20229 pvr2_ctrl_value_to_sym 5 20229 NULL -+rose_sendmsg_20249 rose_sendmsg 4 20249 NULL -+tm6000_i2c_send_regs_20250 tm6000_i2c_send_regs 5 20250 NULL -+pcpu_alloc_20255 pcpu_alloc 1-2 20255 NULL -+_rtl92s_get_h2c_cmdlen_20312 _rtl92s_get_h2c_cmdlen 0 20312 NULL -+tx_tx_burst_programmed_read_20320 tx_tx_burst_programmed_read 3 20320 NULL -+snd_cs4281_BA1_read_20323 snd_cs4281_BA1_read 5 20323 NULL -+gfs2_glock_nq_m_20347 gfs2_glock_nq_m 1 20347 NULL -+handle_arr_calc_size_20355 handle_arr_calc_size 0-1 20355 NULL -+qla82xx_pci_mem_read_direct_20368 qla82xx_pci_mem_read_direct 2 20368 NULL -+smk_set_cipso_20379 smk_set_cipso 3 20379 NULL -+u64_to_uptr_20384 u64_to_uptr 1 20384 NULL -+snd_nm256_readl_20394 snd_nm256_readl 0 20394 NULL -+__kfifo_from_user_20399 __kfifo_from_user 3 20399 NULL -+xen_create_contiguous_region_20457 xen_create_contiguous_region 1 20457 NULL -+nfs3_setxattr_20458 nfs3_setxattr 4 20458 NULL -+dec_zcache_pers_zpages_20465 dec_zcache_pers_zpages 1 20465 NULL -+compat_ipv6_setsockopt_20468 compat_ipv6_setsockopt 5 20468 NULL -+read_buf_20469 read_buf 2 20469 NULL -+btrfs_get_32_20476 btrfs_get_32 0 20476 NULL -+fast_user_write_20494 fast_user_write 5 20494 NULL -+ocfs2_db_frozen_trigger_20503 ocfs2_db_frozen_trigger 4 20503 NULL nohasharray -+hidraw_report_event_20503 hidraw_report_event 3 20503 &ocfs2_db_frozen_trigger_20503 -+pcpu_alloc_area_20511 pcpu_alloc_area 0-3 20511 NULL -+pcpu_depopulate_chunk_20517 pcpu_depopulate_chunk 2-3 20517 NULL -+xfs_iext_realloc_direct_20521 xfs_iext_realloc_direct 2 20521 NULL -+drbd_bm_resize_20522 drbd_bm_resize 2 20522 NULL -+amd_create_gatt_pages_20537 amd_create_gatt_pages 1 20537 NULL -+scsi_report_opcode_20551 scsi_report_opcode 3 20551 NULL -+venus_create_20555 venus_create 4 20555 NULL -+btrfs_super_log_root_20565 btrfs_super_log_root 0 20565 NULL -+crypto_ahash_reqsize_20569 crypto_ahash_reqsize 0 20569 NULL -+i915_max_freq_read_20581 i915_max_freq_read 3 20581 NULL -+batadv_tt_append_diff_20588 batadv_tt_append_diff 4 20588 NULL -+sync_timeline_create_20601 sync_timeline_create 2 20601 NULL -+lirc_write_20604 lirc_write 3 20604 NULL -+qib_qsfp_write_20614 qib_qsfp_write 0-4-2 20614 NULL -+snd_pcm_oss_prepare_20641 snd_pcm_oss_prepare 0 20641 NULL -+kfifo_copy_to_user_20646 kfifo_copy_to_user 3 20646 NULL -+cpulist_scnprintf_20648 cpulist_scnprintf 0-2 20648 NULL -+oz_add_farewell_20652 oz_add_farewell 5 20652 NULL -+oz_cdev_read_20659 oz_cdev_read 3 20659 NULL -+snd_hdsp_playback_copy_20676 snd_hdsp_playback_copy 5 20676 NULL -+get_user_page_nowait_20682 get_user_page_nowait 3 20682 NULL nohasharray -+dvb_dmxdev_buffer_read_20682 dvb_dmxdev_buffer_read 0-4 20682 &get_user_page_nowait_20682 -+cpumask_size_20683 cpumask_size 0 20683 NULL -+btrfs_node_blockptr_20685 btrfs_node_blockptr 0 20685 NULL -+gru_vtop_20689 gru_vtop 2 20689 NULL -+read_file_tgt_int_stats_20697 read_file_tgt_int_stats 3 20697 NULL -+__maestro_read_20700 __maestro_read 0 20700 NULL -+cipso_v4_gentag_rng_20703 cipso_v4_gentag_rng 0 20703 NULL -+pcpu_page_first_chunk_20712 pcpu_page_first_chunk 1 20712 NULL -+ocfs2_read_xattr_bucket_20722 ocfs2_read_xattr_bucket 0 20722 NULL -+security_context_to_sid_force_20724 security_context_to_sid_force 2 20724 NULL -+vring_add_indirect_20737 vring_add_indirect 3-4 20737 NULL -+io_apic_set_pci_routing_20740 io_apic_set_pci_routing 2 20740 NULL -+vol_cdev_direct_write_20751 vol_cdev_direct_write 3 20751 NULL -+ocfs2_align_bytes_to_clusters_20754 ocfs2_align_bytes_to_clusters 2 20754 NULL -+brcmf_p2p_escan_20763 brcmf_p2p_escan 2 20763 NULL -+ubi_io_read_20767 ubi_io_read 0 20767 NULL -+ext4_r_blocks_count_20768 ext4_r_blocks_count 0 20768 NULL -+fb_alloc_cmap_gfp_20792 fb_alloc_cmap_gfp 2 20792 NULL -+iommu_range_alloc_20794 iommu_range_alloc 3 20794 NULL -+iwl_dbgfs_rxon_flags_read_20795 iwl_dbgfs_rxon_flags_read 3 20795 NULL -+sys_sendto_20809 sys_sendto 6 20809 NULL -+cfv_alloc_and_copy_skb_20812 cfv_alloc_and_copy_skb 4 20812 NULL -+strndup_user_20819 strndup_user 2 20819 NULL -+calc_layout_20829 calc_layout 3 20829 NULL -+dtf_read_channel_20831 dtf_read_channel 3 20831 NULL -+wl1271_format_buffer_20834 wl1271_format_buffer 2 20834 NULL -+uvc_alloc_entity_20836 uvc_alloc_entity 3-4 20836 NULL -+snd_pcm_capture_avail_20867 snd_pcm_capture_avail 0 20867 NULL -+ocfs2_bmap_20874 ocfs2_bmap 2 20874 NULL -+skb_tail_pointer_20878 skb_tail_pointer 0 20878 NULL -+sisusb_send_packet_20891 sisusb_send_packet 2 20891 NULL -+key_icverrors_read_20895 key_icverrors_read 3 20895 NULL -+vfio_msi_enable_20906 vfio_msi_enable 2 20906 NULL -+compat_sys_readv_20911 compat_sys_readv 3 20911 NULL -+htable_bits_20933 htable_bits 0 20933 NULL -+altera_set_ir_post_20948 altera_set_ir_post 2 20948 NULL -+rx_rx_phy_hdr_read_20950 rx_rx_phy_hdr_read 3 20950 NULL -+nfs_map_name_to_uid_20962 nfs_map_name_to_uid 3 20962 NULL -+snd_rme9652_playback_copy_20970 snd_rme9652_playback_copy 5 20970 NULL -+brcmf_tx_frame_20978 brcmf_tx_frame 3 20978 NULL -+alg_setsockopt_20985 alg_setsockopt 5 20985 NULL -+ocfs2_free_clusters_21001 ocfs2_free_clusters 4 21001 NULL -+ceph_osdc_new_request_21017 ceph_osdc_new_request 14-4 21017 NULL -+btrfs_inode_ref_name_len_21024 btrfs_inode_ref_name_len 0 21024 NULL -+rx_defrag_tkip_called_read_21031 rx_defrag_tkip_called_read 3 21031 NULL -+lbs_threshold_read_21046 lbs_threshold_read 5 21046 NULL -+proc_fault_inject_write_21058 proc_fault_inject_write 3 21058 NULL -+event_calibration_read_21083 event_calibration_read 3 21083 NULL -+compat_sock_ioctl_trans_21092 compat_sock_ioctl_trans 4 21092 NULL -+multipath_status_21094 multipath_status 5 21094 NULL -+__cfg80211_send_disassoc_21096 __cfg80211_send_disassoc 3 21096 NULL -+ext2_valid_block_bitmap_21101 ext2_valid_block_bitmap 3 21101 NULL -+ath6kl_send_go_probe_resp_21113 ath6kl_send_go_probe_resp 3 21113 NULL -+bitset_size_in_bytes_21124 bitset_size_in_bytes 0-1 21124 NULL -+i2400m_rx_trace_21127 i2400m_rx_trace 3 21127 NULL -+tps6586x_irq_init_21144 tps6586x_irq_init 3 21144 NULL -+ocfs2_block_check_validate_21149 ocfs2_block_check_validate 2 21149 NULL -+alloc_pg_vec_21159 alloc_pg_vec 3 21159 NULL -+cx18_v4l2_read_21196 cx18_v4l2_read 3 21196 NULL -+ipc_rcu_alloc_21208 ipc_rcu_alloc 1 21208 NULL -+scsi_execute_req_flags_21215 scsi_execute_req_flags 5 21215 NULL -+_ocfs2_free_clusters_21220 _ocfs2_free_clusters 4 21220 NULL -+get_numpages_21227 get_numpages 0-1-2 21227 NULL -+SyS_mlock_21238 SyS_mlock 1 21238 NULL -+input_ff_create_21240 input_ff_create 2 21240 NULL -+cfg80211_notify_new_peer_candidate_21242 cfg80211_notify_new_peer_candidate 4 21242 NULL -+ocfs2_blocks_for_bytes_21268 ocfs2_blocks_for_bytes 0-2 21268 NULL -+ip_vs_icmp_xmit_21269 ip_vs_icmp_xmit 4 21269 NULL -+make_alloc_exact_21279 make_alloc_exact 1-3 21279 NULL -+vmw_gmr2_bind_21305 vmw_gmr2_bind 3 21305 NULL -+do_msg_fill_21307 do_msg_fill 3 21307 NULL -+add_res_range_21310 add_res_range 4 21310 NULL -+get_zeroed_page_21322 get_zeroed_page 0 21322 NULL -+ftrace_profile_read_21327 ftrace_profile_read 3 21327 NULL -+gfs2_ea_get_copy_21353 gfs2_ea_get_copy 0 21353 NULL -+max77693_irq_domain_map_21357 max77693_irq_domain_map 2 21357 NULL -+alloc_orinocodev_21371 alloc_orinocodev 1 21371 NULL -+SYSC_rt_sigpending_21379 SYSC_rt_sigpending 2 21379 NULL -+video_ioctl2_21380 video_ioctl2 2 21380 NULL -+diva_get_driver_dbg_mask_21399 diva_get_driver_dbg_mask 0 21399 NULL -+snd_m3_inw_21406 snd_m3_inw 0 21406 NULL -+snapshot_read_next_21426 snapshot_read_next 0 21426 NULL -+tcp_bound_to_half_wnd_21429 tcp_bound_to_half_wnd 0-2 21429 NULL -+tracing_saved_cmdlines_read_21434 tracing_saved_cmdlines_read 3 21434 NULL -+aggr_size_tx_agg_vs_rate_read_21438 aggr_size_tx_agg_vs_rate_read 3 21438 NULL -+__ertm_hdr_size_21450 __ertm_hdr_size 0 21450 NULL -+concat_writev_21451 concat_writev 3 21451 NULL -+mei_nfc_send_21477 mei_nfc_send 3 21477 NULL -+read_file_xmit_21487 read_file_xmit 3 21487 NULL -+mmc_alloc_sg_21504 mmc_alloc_sg 1 21504 NULL -+btrfs_file_aio_write_21520 btrfs_file_aio_write 4 21520 NULL -+il_dbgfs_stations_read_21532 il_dbgfs_stations_read 3 21532 NULL -+cipso_v4_map_cat_enum_hton_21540 cipso_v4_map_cat_enum_hton 0 21540 NULL -+rxrpc_send_data_21553 rxrpc_send_data 5 21553 NULL -+rx_rx_beacon_early_term_read_21559 rx_rx_beacon_early_term_read 3 21559 NULL -+xfs_buf_read_uncached_21585 xfs_buf_read_uncached 3 21585 NULL -+ocfs2_acl_from_xattr_21604 ocfs2_acl_from_xattr 2 21604 NULL -+compat_SyS_pwritev64_21606 compat_SyS_pwritev64 3 21606 NULL -+__jfs_getxattr_21631 __jfs_getxattr 0 21631 NULL -+validate_nnode_21638 validate_nnode 0 21638 NULL -+__irq_alloc_descs_21639 __irq_alloc_descs 2-1-3 21639 NULL -+carl9170_rx_copy_data_21656 carl9170_rx_copy_data 2 21656 NULL -+atalk_sendmsg_21677 atalk_sendmsg 4 21677 NULL -+ocfs2_xattr_get_nolock_21678 ocfs2_xattr_get_nolock 0 21678 NULL -+regmap_register_patch_21681 regmap_register_patch 3 21681 NULL -+rtllib_alloc_txb_21687 rtllib_alloc_txb 1-2 21687 NULL -+evdev_ioctl_handler_21705 evdev_ioctl_handler 2 21705 NULL -+reiserfs_allocate_list_bitmaps_21732 reiserfs_allocate_list_bitmaps 3 21732 NULL -+vm_brk_21739 vm_brk 1 21739 NULL -+__nf_nat_mangle_tcp_packet_21744 __nf_nat_mangle_tcp_packet 8-6 21744 NULL -+mthca_alloc_init_21754 mthca_alloc_init 2 21754 NULL -+gen_pool_add_21776 gen_pool_add 3 21776 NULL -+xfs_da_grow_inode_int_21785 xfs_da_grow_inode_int 3 21785 NULL -+__ioremap_caller_21800 __ioremap_caller 1-2 21800 NULL -+min_odd_21802 min_odd 0 21802 NULL -+dvb_generic_ioctl_21810 dvb_generic_ioctl 2 21810 NULL -+wm8994_request_irq_21822 wm8994_request_irq 2 21822 NULL -+oom_adj_read_21847 oom_adj_read 3 21847 NULL -+acpi_tb_check_xsdt_21862 acpi_tb_check_xsdt 1 21862 NULL -+lpfc_idiag_extacc_avail_get_21865 lpfc_idiag_extacc_avail_get 0-3 21865 NULL -+brcms_debugfs_hardware_read_21867 brcms_debugfs_hardware_read 3 21867 NULL -+sisusbcon_bmove_21873 sisusbcon_bmove 6-5-7 21873 NULL nohasharray -+tcp_cookie_size_check_21873 tcp_cookie_size_check 0-1 21873 &sisusbcon_bmove_21873 -+xen_swiotlb_map_page_21886 xen_swiotlb_map_page 3 21886 NULL -+__alloc_reserved_percpu_21895 __alloc_reserved_percpu 1-2 21895 NULL -+rio_destid_first_21900 rio_destid_first 0 21900 NULL -+dbAllocCtl_21911 dbAllocCtl 0 21911 NULL -+qsfp_1_read_21915 qsfp_1_read 3 21915 NULL -+security_mmap_addr_21970 security_mmap_addr 0 21970 NULL -+alloc_ldt_21972 alloc_ldt 2 21972 NULL -+SYSC_prctl_21980 SYSC_prctl 4 21980 NULL -+rxpipe_descr_host_int_trig_rx_data_read_22001 rxpipe_descr_host_int_trig_rx_data_read 3 22001 NULL nohasharray -+compat_rw_copy_check_uvector_22001 compat_rw_copy_check_uvector 0-3 22001 &rxpipe_descr_host_int_trig_rx_data_read_22001 -+regcache_sync_block_raw_flush_22021 regcache_sync_block_raw_flush 3-4 22021 NULL -+btrfs_get_16_22023 btrfs_get_16 0 22023 NULL -+_sp2d_min_pg_22032 _sp2d_min_pg 0 22032 NULL -+zd_usb_read_fw_22049 zd_usb_read_fw 4 22049 NULL -+ieee80211_if_fmt_dropped_frames_ttl_22054 ieee80211_if_fmt_dropped_frames_ttl 3 22054 NULL -+btrfs_reloc_clone_csums_22077 btrfs_reloc_clone_csums 2 22077 NULL -+write_opcode_22082 write_opcode 2 22082 NULL -+mem_rw_22085 mem_rw 3 22085 NULL -+is_swbp_at_addr_22089 is_swbp_at_addr 2 22089 NULL -+lowpan_fragment_xmit_22095 lowpan_fragment_xmit 3-4 22095 NULL -+sched_clock_cpu_22098 sched_clock_cpu 0 22098 NULL -+qlcnic_sriov_pf_enable_22103 qlcnic_sriov_pf_enable 2 22103 NULL -+sys_remap_file_pages_22124 sys_remap_file_pages 1 22124 NULL -+__bitmap_size_22138 __bitmap_size 0 22138 NULL -+compat_insn_22142 compat_insn 2 22142 NULL -+do_tcp_sendpages_22155 do_tcp_sendpages 4 22155 NULL -+__kfifo_alloc_22173 __kfifo_alloc 3 22173 NULL -+fls_22210 fls 0 22210 NULL -+mem_write_22232 mem_write 3 22232 NULL -+p9_virtio_zc_request_22240 p9_virtio_zc_request 6-5 22240 NULL -+atomic64_xchg_22246 atomic64_xchg 0 22246 NULL -+compat_process_vm_rw_22254 compat_process_vm_rw 3-5 22254 NULL -+__btrfs_direct_write_22273 __btrfs_direct_write 4 22273 NULL -+queue_max_sectors_22280 queue_max_sectors 0 22280 NULL -+pci_vpd_srdt_size_22300 pci_vpd_srdt_size 0 22300 NULL nohasharray -+__tun_chr_ioctl_22300 __tun_chr_ioctl 4 22300 &pci_vpd_srdt_size_22300 -+extend_brk_22301 extend_brk 0 22301 NULL -+mesh_table_alloc_22305 mesh_table_alloc 1 22305 NULL -+C_SYSC_msgrcv_22320 C_SYSC_msgrcv 2-3 22320 NULL -+get_segment_base_22324 get_segment_base 0 22324 NULL -+radix_tree_find_next_bit_22334 radix_tree_find_next_bit 2-3 22334 NULL -+atomic_read_22342 atomic_read 0 22342 NULL -+mlx4_db_alloc_22358 mlx4_db_alloc 3 22358 NULL -+irq_reserve_irq_22360 irq_reserve_irq 1 22360 NULL nohasharray -+memcg_size_22360 memcg_size 0 22360 &irq_reserve_irq_22360 -+snd_pcm_alsa_frames_22363 snd_pcm_alsa_frames 2 22363 NULL -+tps6586x_gpio_to_irq_22365 tps6586x_gpio_to_irq 2 22365 NULL -+evdev_ioctl_22371 evdev_ioctl 2 22371 NULL -+alloc_large_system_hash_22391 alloc_large_system_hash 2 22391 NULL -+btmrvl_psmode_read_22395 btmrvl_psmode_read 3 22395 NULL -+crash_shrink_memory_22401 crash_shrink_memory 1 22401 NULL -+zoran_write_22404 zoran_write 3 22404 NULL -+queue_reply_22416 queue_reply 3 22416 NULL -+__set_enter_print_fmt_22431 __set_enter_print_fmt 0 22431 NULL -+queue_max_segments_22441 queue_max_segments 0 22441 NULL -+handle_received_packet_22457 handle_received_packet 3 22457 NULL -+mem_cgroup_read_22461 mem_cgroup_read 5 22461 NULL -+batadv_check_unicast_packet_22468 batadv_check_unicast_packet 3 22468 NULL -+dtf_write_device_22471 dtf_write_device 3 22471 NULL -+cache_write_procfs_22491 cache_write_procfs 3 22491 NULL -+mp_find_ioapic_pin_22499 mp_find_ioapic_pin 0-2 22499 NULL -+mutex_lock_interruptible_22505 mutex_lock_interruptible 0 22505 NULL -+ip4_addr_string_22511 ip4_addr_string 0 22511 NULL -+swiotlb_tbl_unmap_single_22522 swiotlb_tbl_unmap_single 2 22522 NULL nohasharray -+usb_dump_config_descriptor_22522 usb_dump_config_descriptor 0 22522 &swiotlb_tbl_unmap_single_22522 -+pskb_may_pull_22546 pskb_may_pull 2 22546 NULL -+ocfs2_read_extent_block_22550 ocfs2_read_extent_block 0 22550 NULL -+atomic_long_read_unchecked_22551 atomic_long_read_unchecked 0 22551 NULL -+agp_alloc_page_array_22554 agp_alloc_page_array 1 22554 NULL -+dbFindCtl_22587 dbFindCtl 0 22587 NULL -+snapshot_read_22601 snapshot_read 3 22601 NULL -+remove_breakpoint_22628 remove_breakpoint 3 22628 NULL -+sctp_setsockopt_connectx_old_22631 sctp_setsockopt_connectx_old 3 22631 NULL -+ide_core_cp_entry_22636 ide_core_cp_entry 3 22636 NULL -+wl1271_rx_filter_get_fields_size_22638 wl1271_rx_filter_get_fields_size 0 22638 NULL -+pwr_wake_on_timer_exp_read_22640 pwr_wake_on_timer_exp_read 3 22640 NULL -+iwl_dbgfs_calib_disabled_read_22649 iwl_dbgfs_calib_disabled_read 3 22649 NULL -+compat_SyS_msgrcv_22661 compat_SyS_msgrcv 2-3 22661 NULL -+ubifs_leb_write_22679 ubifs_leb_write 4-5 22679 NULL -+qlcnic_83xx_sysfs_flash_write_handler_22680 qlcnic_83xx_sysfs_flash_write_handler 6 22680 NULL -+ocfs2_get_block_22687 ocfs2_get_block 2 22687 NULL -+compat_fd_ioctl_22694 compat_fd_ioctl 4 22694 NULL -+map_22700 map 2 22700 NULL -+alloc_libipw_22708 alloc_libipw 1 22708 NULL -+brcmf_sdbrcm_read_control_22721 brcmf_sdbrcm_read_control 3 22721 NULL -+cx18_copy_buf_to_user_22735 cx18_copy_buf_to_user 4 22735 NULL -+ceph_decode_32_22738 ceph_decode_32 0 22738 NULL nohasharray -+__mei_cl_send_22738 __mei_cl_send 3 22738 &ceph_decode_32_22738 -+iio_debugfs_write_reg_22742 iio_debugfs_write_reg 3 22742 NULL -+qlcnic_sriov_init_22762 qlcnic_sriov_init 2 22762 NULL -+print_frame_22769 print_frame 0 22769 NULL -+ftrace_arch_read_dyn_info_22773 ftrace_arch_read_dyn_info 0 22773 NULL -+compat_blkdev_ioctl_22841 compat_blkdev_ioctl 3 22841 NULL -+clone_bio_integrity_22842 clone_bio_integrity 4 22842 NULL -+read_file_rcstat_22854 read_file_rcstat 3 22854 NULL -+do_atm_iobuf_22857 do_atm_iobuf 3 22857 NULL -+create_attr_set_22861 create_attr_set 1 22861 NULL -+vmw_execbuf_process_22885 vmw_execbuf_process 5 22885 NULL -+usblp_new_writeurb_22894 usblp_new_writeurb 2 22894 NULL -+mdc800_device_read_22896 mdc800_device_read 3 22896 NULL -+policy_emit_config_values_22900 policy_emit_config_values 3 22900 NULL -+pcpu_mem_zalloc_22948 pcpu_mem_zalloc 1 22948 NULL -+alloc_sglist_22960 alloc_sglist 1-2-3 22960 NULL -+caif_seqpkt_sendmsg_22961 caif_seqpkt_sendmsg 4 22961 NULL -+vme_get_size_22964 vme_get_size 0 22964 NULL -+tx_frag_key_not_found_read_22971 tx_frag_key_not_found_read 3 22971 NULL -+page_table_range_init_count_22977 page_table_range_init_count 0 22977 NULL -+usb_get_langid_22983 usb_get_langid 0 22983 NULL -+set_msr_hyperv_22985 set_msr_hyperv 3 22985 NULL -+remote_settings_file_write_22987 remote_settings_file_write 3 22987 NULL -+brcmf_sdio_chip_exit_download_23001 brcmf_sdio_chip_exit_download 4 23001 NULL -+viafb_dvp0_proc_write_23023 viafb_dvp0_proc_write 3 23023 NULL -+cifs_local_to_utf16_bytes_23025 cifs_local_to_utf16_bytes 0 23025 NULL -+st_status_23032 st_status 5 23032 NULL -+nv50_disp_chan_create__23056 nv50_disp_chan_create_ 5 23056 NULL -+reiserfs_add_entry_23062 reiserfs_add_entry 4 23062 NULL -+mei_cl_send_23068 mei_cl_send 3 23068 NULL -+kvm_mmu_gva_to_gpa_write_23075 kvm_mmu_gva_to_gpa_write 0 23075 NULL -+vm_map_ram_23078 vm_map_ram 2 23078 NULL nohasharray -+raw_sendmsg_23078 raw_sendmsg 4 23078 &vm_map_ram_23078 -+get_user_hdr_len_23079 get_user_hdr_len 0 23079 NULL -+qla4_82xx_pci_mem_read_2M_23081 qla4_82xx_pci_mem_read_2M 2 23081 NULL -+isr_tx_procs_read_23084 isr_tx_procs_read 3 23084 NULL -+lnw_gpio_irq_map_23087 lnw_gpio_irq_map 2 23087 NULL -+rt2x00debug_write_eeprom_23091 rt2x00debug_write_eeprom 3 23091 NULL -+fls_long_23096 fls_long 0 23096 NULL -+ntfs_ucstonls_23097 ntfs_ucstonls 3-5 23097 NULL -+pipe_iov_copy_from_user_23102 pipe_iov_copy_from_user 3 23102 NULL -+mwl8k_cmd_set_beacon_23110 mwl8k_cmd_set_beacon 4 23110 NULL -+nl80211_send_rx_auth_23111 nl80211_send_rx_auth 4 23111 NULL -+__clear_user_23118 __clear_user 0 23118 NULL -+dm_write_async_23120 dm_write_async 3 23120 NULL -+drm_mode_create_tv_properties_23122 drm_mode_create_tv_properties 2 23122 NULL -+ca91cx42_master_set_23146 ca91cx42_master_set 4 23146 NULL -+read_file_ani_23161 read_file_ani 3 23161 NULL -+ioremap_23172 ioremap 1-2 23172 NULL -+tg_get_cfs_quota_23176 tg_get_cfs_quota 0 23176 NULL -+usblp_write_23178 usblp_write 3 23178 NULL -+msnd_fifo_alloc_23179 msnd_fifo_alloc 2 23179 NULL -+gss_pipe_downcall_23182 gss_pipe_downcall 3 23182 NULL -+ieee80211_get_mesh_hdrlen_23183 ieee80211_get_mesh_hdrlen 0 23183 NULL -+fix_unclean_leb_23188 fix_unclean_leb 3 23188 NULL -+mpi_alloc_limb_space_23190 mpi_alloc_limb_space 1 23190 NULL -+convert_ip_to_linear_23198 convert_ip_to_linear 0 23198 NULL -+pm80x_free_irq_23210 pm80x_free_irq 2 23210 NULL nohasharray -+compat_rawv6_ioctl_23210 compat_rawv6_ioctl 3 23210 &pm80x_free_irq_23210 -+tty_buffer_request_room_23228 tty_buffer_request_room 2 23228 NULL -+xlog_get_bp_23229 xlog_get_bp 2 23229 NULL -+rxrpc_client_sendmsg_23236 rxrpc_client_sendmsg 5 23236 NULL -+__gfn_to_rmap_23240 __gfn_to_rmap 1-2 23240 NULL -+uwb_dev_addr_print_23282 uwb_dev_addr_print 2 23282 NULL -+ipv6_skip_exthdr_23283 ipv6_skip_exthdr 0-2 23283 NULL -+doc_probe_23285 doc_probe 1 23285 NULL -+diva_get_trace_filter_23286 diva_get_trace_filter 0 23286 NULL -+perf_mmap_free_page_23302 perf_mmap_free_page 1 23302 NULL -+i2cdev_write_23310 i2cdev_write 3 23310 NULL -+mc13xxx_get_num_regulators_dt_23344 mc13xxx_get_num_regulators_dt 0 23344 NULL -+page_readlink_23346 page_readlink 3 23346 NULL -+get_dst_timing_23358 get_dst_timing 0 23358 NULL -+fd_setup_write_same_buf_23369 fd_setup_write_same_buf 3 23369 NULL -+iscsi_change_queue_depth_23416 iscsi_change_queue_depth 2 23416 NULL -+vga_mm_r_23419 vga_mm_r 0 23419 NULL -+vzalloc_node_23424 vzalloc_node 1 23424 NULL -+ocfs2_zero_tail_23447 ocfs2_zero_tail 3 23447 NULL -+hidraw_send_report_23449 hidraw_send_report 3 23449 NULL -+linear_conf_23485 linear_conf 2 23485 NULL nohasharray -+divasa_remap_pci_bar_23485 divasa_remap_pci_bar 3-4 23485 &linear_conf_23485 -+event_filter_read_23494 event_filter_read 3 23494 NULL -+__gfn_to_hva_many_23508 __gfn_to_hva_many 0-2 23508 NULL -+ima_show_measurements_count_23536 ima_show_measurements_count 3 23536 NULL -+xen_allocate_irq_gsi_23546 xen_allocate_irq_gsi 1-0 23546 NULL -+tcp_current_mss_23552 tcp_current_mss 0 23552 NULL -+dbg_leb_change_23555 dbg_leb_change 4 23555 NULL -+venus_symlink_23570 venus_symlink 4-6 23570 NULL -+iwl_dbgfs_interrupt_read_23574 iwl_dbgfs_interrupt_read 3 23574 NULL -+snd_interval_min_23590 snd_interval_min 0 23590 NULL -+do_mmap_pgoff_23600 do_mmap_pgoff 0 23600 NULL -+_alloc_cdb_cont_23609 _alloc_cdb_cont 2 23609 NULL -+islpci_mgt_transaction_23610 islpci_mgt_transaction 5 23610 NULL -+__i2400mu_send_barker_23652 __i2400mu_send_barker 3 23652 NULL -+ext3_compat_ioctl_23659 ext3_compat_ioctl 3 23659 NULL -+sInW_23663 sInW 0 23663 NULL -+SyS_connect_23669 SyS_connect 3 23669 NULL -+proc_ioctl_compat_23682 proc_ioctl_compat 2 23682 NULL -+nftl_partscan_23688 nftl_partscan 0 23688 NULL -+cx18_read_23699 cx18_read 3 23699 NULL -+isku_sysfs_write_control_23718 isku_sysfs_write_control 6 23718 NULL -+mp_config_acpi_gsi_23728 mp_config_acpi_gsi 2 23728 NULL -+pack_sg_list_p_23739 pack_sg_list_p 0-2 23739 NULL -+rx_rx_dropped_frame_read_23748 rx_rx_dropped_frame_read 3 23748 NULL -+__kfifo_max_r_23768 __kfifo_max_r 0-2-1 23768 NULL -+__build_packet_message_23778 __build_packet_message 10-4 23778 NULL -+security_inode_getxattr_23781 security_inode_getxattr 0 23781 NULL -+diva_alloc_dma_map_23798 diva_alloc_dma_map 2 23798 NULL -+rx_path_reset_read_23801 rx_path_reset_read 3 23801 NULL -+__earlyonly_bootmem_alloc_23824 __earlyonly_bootmem_alloc 2-3 23824 NULL -+ceph_copy_page_vector_to_user_23829 ceph_copy_page_vector_to_user 3-4 23829 NULL -+tfrc_binsearch_23833 tfrc_binsearch 0 23833 NULL -+xfs_dir2_leaf_getdents_23841 xfs_dir2_leaf_getdents 3 23841 NULL -+pgdat_end_pfn_23842 pgdat_end_pfn 0 23842 NULL -+iwl_dbgfs_nvm_read_23845 iwl_dbgfs_nvm_read 3 23845 NULL -+p54_init_common_23850 p54_init_common 1 23850 NULL -+gart_alloc_coherent_23852 gart_alloc_coherent 2 23852 NULL -+bin_to_hex_dup_23853 bin_to_hex_dup 2 23853 NULL -+ocfs2_xattr_get_clusters_23857 ocfs2_xattr_get_clusters 0 23857 NULL -+ieee80211_if_read_dot11MeshMaxPeerLinks_23878 ieee80211_if_read_dot11MeshMaxPeerLinks 3 23878 NULL -+nes_alloc_resource_23891 nes_alloc_resource 3 23891 NULL -+tipc_snprintf_23893 tipc_snprintf 2 23893 NULL -+add_new_gdb_meta_bg_23911 add_new_gdb_meta_bg 3 23911 NULL nohasharray -+ieee80211_if_read_hw_queues_23911 ieee80211_if_read_hw_queues 3 23911 &add_new_gdb_meta_bg_23911 -+f2fs_getxattr_23917 f2fs_getxattr 0 23917 NULL -+ipath_reg_phys_mr_23918 ipath_reg_phys_mr 3 23918 NULL nohasharray -+mpihelp_mul_karatsuba_case_23918 mpihelp_mul_karatsuba_case 5-3 23918 &ipath_reg_phys_mr_23918 -+kvm_read_guest_23928 kvm_read_guest 4-2 23928 NULL -+__alloc_skb_23940 __alloc_skb 1 23940 NULL -+uvc_endpoint_max_bpi_23944 uvc_endpoint_max_bpi 0 23944 NULL -+cifs_setxattr_23957 cifs_setxattr 4 23957 NULL -+zd_usb_iowrite16v_async_23984 zd_usb_iowrite16v_async 3 23984 NULL -+cxgb_alloc_mem_24007 cxgb_alloc_mem 1 24007 NULL -+dgrp_send_24028 dgrp_send 0-2 24028 NULL -+ocfs2_mark_extent_refcounted_24035 ocfs2_mark_extent_refcounted 6 24035 NULL -+adis16400_show_serial_number_24037 adis16400_show_serial_number 3 24037 NULL -+afs_cell_alloc_24052 afs_cell_alloc 2 24052 NULL -+brcmf_sdio_ramrw_24074 brcmf_sdio_ramrw 5 24074 NULL -+blkcipher_copy_iv_24075 blkcipher_copy_iv 3 24075 NULL -+vb2_fop_read_24080 vb2_fop_read 3 24080 NULL -+pipeline_post_proc_swi_read_24108 pipeline_post_proc_swi_read 3 24108 NULL -+request_key_auth_read_24109 request_key_auth_read 3 24109 NULL -+mpu401_read_24126 mpu401_read 3 24126 NULL -+irnet_ctrl_write_24139 irnet_ctrl_write 3 24139 NULL -+trim_bitmaps_24158 trim_bitmaps 3 24158 NULL -+set_discard_24162 set_discard 2 24162 NULL -+adu_read_24177 adu_read 3 24177 NULL -+safe_prepare_write_buffer_24187 safe_prepare_write_buffer 3 24187 NULL -+ieee80211_if_read_dot11MeshHWMPpreqMinInterval_24208 ieee80211_if_read_dot11MeshHWMPpreqMinInterval 3 24208 NULL -+efx_vf_size_24213 efx_vf_size 0 24213 NULL -+tcpprobe_sprint_24222 tcpprobe_sprint 0-2 24222 NULL -+pcpu_embed_first_chunk_24224 pcpu_embed_first_chunk 1-2-3 24224 NULL nohasharray -+mei_amthif_read_24224 mei_amthif_read 4 24224 &pcpu_embed_first_chunk_24224 -+pci_num_vf_24235 pci_num_vf 0 24235 NULL -+sel_read_bool_24236 sel_read_bool 3 24236 NULL -+dm_cache_save_hint_24257 dm_cache_save_hint 2 24257 NULL -+em28xx_alloc_urbs_24260 em28xx_alloc_urbs 4-6 24260 NULL -+thin_status_24278 thin_status 5 24278 NULL -+compat_sys_preadv64_24283 compat_sys_preadv64 3 24283 NULL -+msg_size_24288 msg_size 0 24288 NULL -+ext2_free_blocks_24292 ext2_free_blocks 2-3 24292 NULL -+map_page_24298 map_page 3-4 24298 NULL -+btmrvl_pscmd_read_24308 btmrvl_pscmd_read 3 24308 NULL -+reserve_metadata_bytes_24313 reserve_metadata_bytes 3 24313 NULL -+ath6kl_add_bss_if_needed_24317 ath6kl_add_bss_if_needed 6 24317 NULL -+ocfs2_direct_IO_get_blocks_24333 ocfs2_direct_IO_get_blocks 2 24333 NULL -+si476x_radio_read_acf_blob_24336 si476x_radio_read_acf_blob 3 24336 NULL -+C_SYSC_pwritev_24345 C_SYSC_pwritev 3 24345 NULL -+kzalloc_node_24352 kzalloc_node 1 24352 NULL -+qla2x00_handle_queue_full_24365 qla2x00_handle_queue_full 2 24365 NULL -+cfi_read_pri_24366 cfi_read_pri 3 24366 NULL -+btrfs_item_size_nr_24367 btrfs_item_size_nr 0 24367 NULL -+igetword_24373 igetword 0 24373 NULL -+pvr2_v4l2_ioctl_24398 pvr2_v4l2_ioctl 2 24398 NULL nohasharray -+getxattr_24398 getxattr 4 24398 &pvr2_v4l2_ioctl_24398 -+blk_update_bidi_request_24415 blk_update_bidi_request 3-4 24415 NULL -+b43_debugfs_read_24425 b43_debugfs_read 3 24425 NULL -+iwl_nvm_read_section_24438 iwl_nvm_read_section 0 24438 NULL -+ixgbe_alloc_q_vector_24439 ixgbe_alloc_q_vector 4-6 24439 NULL -+smk_user_access_24440 smk_user_access 3 24440 NULL -+page_address_24444 page_address 0 24444 NULL -+evdev_do_ioctl_24459 evdev_do_ioctl 2 24459 NULL -+ocfs2_write_cluster_by_desc_24466 ocfs2_write_cluster_by_desc 5-6 24466 NULL -+read_file_spec_scan_ctl_24491 read_file_spec_scan_ctl 3 24491 NULL -+pd_video_read_24510 pd_video_read 3 24510 NULL -+request_key_with_auxdata_24515 request_key_with_auxdata 4 24515 NULL -+xfs_buf_get_map_24522 xfs_buf_get_map 3 24522 NULL -+named_prepare_buf_24532 named_prepare_buf 2 24532 NULL -+do_mpage_readpage_24536 do_mpage_readpage 3 24536 NULL -+write_cache_pages_24562 write_cache_pages 0 24562 NULL -+tsi148_alloc_resource_24563 tsi148_alloc_resource 2 24563 NULL -+udf_compute_nr_groups_24594 udf_compute_nr_groups 0 24594 NULL -+count_preds_24600 count_preds 0 24600 NULL -+sensor_hub_get_physical_device_count_24605 sensor_hub_get_physical_device_count 0 24605 NULL -+kvm_pv_enable_async_pf_24637 kvm_pv_enable_async_pf 2 24637 NULL -+context_alloc_24645 context_alloc 3 24645 NULL -+blk_rq_err_bytes_24650 blk_rq_err_bytes 0 24650 NULL -+unifi_net_data_malloc_24716 unifi_net_data_malloc 3 24716 NULL -+read_fs_24717 read_fs 0 24717 NULL -+simple_attr_read_24738 simple_attr_read 3 24738 NULL -+qla2x00_change_queue_depth_24742 qla2x00_change_queue_depth 2 24742 NULL -+ath_rxbuf_alloc_24745 ath_rxbuf_alloc 2 24745 NULL -+get_dma_residue_24749 get_dma_residue 0 24749 NULL -+kgdb_hex2mem_24755 kgdb_hex2mem 3 24755 NULL -+nfsd4_sanitize_slot_size_24756 nfsd4_sanitize_slot_size 0-1 24756 NULL -+i915_cache_sharing_read_24775 i915_cache_sharing_read 3 24775 NULL -+ocfs2_read_blocks_24777 ocfs2_read_blocks 0 24777 NULL -+skb_make_writable_24783 skb_make_writable 2 24783 NULL -+datablob_hmac_verify_24786 datablob_hmac_verify 4 24786 NULL -+cache_read_24790 cache_read 3 24790 NULL -+unpack_str_24798 unpack_str 0 24798 NULL -+__next_cpu_nr_24805 __next_cpu_nr 1 24805 NULL -+comedi_buf_alloc_24822 comedi_buf_alloc 3 24822 NULL -+snd_als4k_gcr_read_24840 snd_als4k_gcr_read 0 24840 NULL -+snd_pcm_lib_buffer_bytes_24865 snd_pcm_lib_buffer_bytes 0 24865 NULL -+pnp_alloc_24869 pnp_alloc 1 24869 NULL nohasharray -+l2cap_create_basic_pdu_24869 l2cap_create_basic_pdu 3 24869 &pnp_alloc_24869 -+setup_buffering_24872 setup_buffering 3 24872 NULL -+bnx2fc_cmd_mgr_alloc_24873 bnx2fc_cmd_mgr_alloc 3-2 24873 NULL -+queues_read_24877 queues_read 3 24877 NULL nohasharray -+symbol_string_24877 symbol_string 0 24877 &queues_read_24877 -+codec_list_read_file_24910 codec_list_read_file 3 24910 NULL -+v4l2_ctrl_new_24927 v4l2_ctrl_new 7 24927 NULL -+next_token_24929 next_token 0 24929 NULL -+uf_create_device_nodes_24948 uf_create_device_nodes 2 24948 NULL -+ocfs2_fiemap_24949 ocfs2_fiemap 3-4 24949 NULL -+packet_sendmsg_24954 packet_sendmsg 4 24954 NULL -+sys_rt_sigpending_24961 sys_rt_sigpending 2 24961 NULL -+ensure_wear_leveling_24971 ensure_wear_leveling 0 24971 NULL -+twl_i2c_write_u8_24976 twl_i2c_write_u8 3 24976 NULL -+nf_nat_sdp_port_24977 nf_nat_sdp_port 7 24977 NULL -+llc_ui_sendmsg_24987 llc_ui_sendmsg 4 24987 NULL -+key_conf_hw_key_idx_read_25003 key_conf_hw_key_idx_read 3 25003 NULL -+il_dbgfs_channels_read_25005 il_dbgfs_channels_read 3 25005 NULL -+ni_660x_num_counters_25031 ni_660x_num_counters 0 25031 NULL -+nfs_dns_resolve_name_25036 nfs_dns_resolve_name 3 25036 NULL -+gs_buf_alloc_25067 gs_buf_alloc 2 25067 NULL -+SYSC_listxattr_25072 SYSC_listxattr 3 25072 NULL -+ceph_osdc_writepages_25085 ceph_osdc_writepages 5 25085 NULL -+snd_rawmidi_kernel_write_25106 snd_rawmidi_kernel_write 3 25106 NULL -+sys_fgetxattr_25166 sys_fgetxattr 4 25166 NULL -+ipath_init_qp_table_25167 ipath_init_qp_table 2 25167 NULL -+sctp_getsockopt_local_addrs_25178 sctp_getsockopt_local_addrs 2 25178 NULL -+ks8851_rdreg32_25187 ks8851_rdreg32 0 25187 NULL -+ocfs2_block_check_compute_25223 ocfs2_block_check_compute 2 25223 NULL -+free_memcg_kmem_pages_25228 free_memcg_kmem_pages 1 25228 NULL -+dtf_write_string_25232 dtf_write_string 5 25232 NULL -+mon_stat_read_25238 mon_stat_read 3 25238 NULL -+tcf_csum_ipv6_udp_25241 tcf_csum_ipv6_udp 4 25241 NULL -+nilfs_palloc_find_available_slot_25245 nilfs_palloc_find_available_slot 3-5 25245 NULL -+stripe_status_25259 stripe_status 5 25259 NULL -+snd_pcm_start_25273 snd_pcm_start 0 25273 NULL -+crypto_alloc_instance2_25277 crypto_alloc_instance2 3 25277 NULL -+vfs_writev_25278 vfs_writev 3 25278 NULL -+l2tp_session_create_25286 l2tp_session_create 1 25286 NULL -+snd_seq_ioctl_compat_25307 snd_seq_ioctl_compat 3 25307 NULL -+help_25316 help 5 25316 NULL nohasharray -+ath9k_debugfs_read_buf_25316 ath9k_debugfs_read_buf 3 25316 &help_25316 -+rng_buffer_size_25348 rng_buffer_size 0 25348 NULL -+SYSC_kexec_load_25361 SYSC_kexec_load 2 25361 NULL -+rio_destid_next_25368 rio_destid_next 2 25368 NULL nohasharray -+unix_mkname_25368 unix_mkname 0-2 25368 &rio_destid_next_25368 -+sel_read_mls_25369 sel_read_mls 3 25369 NULL -+tc3589x_gpio_to_irq_25371 tc3589x_gpio_to_irq 2 25371 NULL -+ebt_buf_add_pad_25413 ebt_buf_add_pad 0 25413 NULL -+dai_list_read_file_25421 dai_list_read_file 3 25421 NULL -+ath6kl_wmi_beginscan_cmd_25462 ath6kl_wmi_beginscan_cmd 8 25462 NULL -+generic_file_buffered_write_25464 generic_file_buffered_write 4 25464 NULL -+crypto_hash_digestsize_25469 crypto_hash_digestsize 0 25469 NULL -+ocfs2_hamming_encode_25501 ocfs2_hamming_encode 3 25501 NULL -+ivtv_buf_copy_from_user_25502 ivtv_buf_copy_from_user 4 25502 NULL -+snd_pcm_plugin_build_25505 snd_pcm_plugin_build 5 25505 NULL -+sb_permission_25523 sb_permission 0 25523 NULL -+ext3_get_inode_loc_25542 ext3_get_inode_loc 0 25542 NULL -+ieee80211_if_read_path_refresh_time_25545 ieee80211_if_read_path_refresh_time 3 25545 NULL -+wimax_addr_scnprint_25548 wimax_addr_scnprint 2 25548 NULL -+ht_print_chan_25556 ht_print_chan 0 25556 NULL -+skb_tailroom_25567 skb_tailroom 0 25567 NULL -+find_extend_vma_25597 find_extend_vma 2 25597 NULL -+__devres_alloc_25598 __devres_alloc 2 25598 NULL -+copy_user_generic_25611 copy_user_generic 0 25611 NULL -+proc_coredump_filter_write_25625 proc_coredump_filter_write 3 25625 NULL -+__get_user_pages_25628 __get_user_pages 0-3-4 25628 NULL nohasharray -+befs_utf2nls_25628 befs_utf2nls 3 25628 &__get_user_pages_25628 -+__direct_map_25647 __direct_map 5-6 25647 NULL -+ext2_try_to_allocate_25667 ext2_try_to_allocate 4-2 25667 NULL -+aircable_prepare_write_buffer_25669 aircable_prepare_write_buffer 3 25669 NULL -+sta_inactive_ms_read_25690 sta_inactive_ms_read 3 25690 NULL -+ebitmap_start_positive_25703 ebitmap_start_positive 0 25703 NULL -+rx_filter_mc_filter_read_25712 rx_filter_mc_filter_read 3 25712 NULL -+ibmasm_new_command_25714 ibmasm_new_command 2 25714 NULL -+sel_write_context_25726 sel_write_context 3 25726 NULL nohasharray -+__alloc_bootmem_low_node_25726 __alloc_bootmem_low_node 2-3 25726 &sel_write_context_25726 -+mcs_unwrap_fir_25733 mcs_unwrap_fir 3 25733 NULL -+ext2_find_near_25734 ext2_find_near 0 25734 NULL -+__set_clear_dirty_25744 __set_clear_dirty 2 25744 NULL -+cxgbi_device_portmap_create_25747 cxgbi_device_portmap_create 3 25747 NULL -+dtf_write_channel_25748 dtf_write_channel 3 25748 NULL -+event_rx_pool_read_25792 event_rx_pool_read 3 25792 NULL -+sg_read_25799 sg_read 3 25799 NULL -+system_enable_read_25815 system_enable_read 3 25815 NULL -+realloc_buffer_25816 realloc_buffer 2 25816 NULL -+mthca_map_user_db_25823 mthca_map_user_db 5 25823 NULL -+pwr_missing_bcns_read_25824 pwr_missing_bcns_read 3 25824 NULL -+parport_read_25855 parport_read 0 25855 NULL -+xfs_dir2_sf_hdr_size_25858 xfs_dir2_sf_hdr_size 0 25858 NULL -+uf_ap_process_data_pdu_25860 uf_ap_process_data_pdu 7 25860 NULL -+key_attr_size_25865 key_attr_size 0 25865 NULL -+ath6kl_regread_read_25884 ath6kl_regread_read 3 25884 NULL -+run_delalloc_nocow_25896 run_delalloc_nocow 3 25896 NULL -+sisusbcon_scroll_area_25899 sisusbcon_scroll_area 4-3 25899 NULL -+lpfc_change_queue_depth_25905 lpfc_change_queue_depth 2 25905 NULL -+nvme_trans_mode_page_create_25908 nvme_trans_mode_page_create 7 25908 NULL -+do_jffs2_setxattr_25910 do_jffs2_setxattr 5 25910 NULL -+rcname_read_25919 rcname_read 3 25919 NULL -+snd_es1938_capture_copy_25930 snd_es1938_capture_copy 5 25930 NULL -+key_flags_read_25931 key_flags_read 3 25931 NULL -+copy_play_buf_25932 copy_play_buf 3 25932 NULL -+flush_25957 flush 2 25957 NULL -+video_register_device_25971 video_register_device 3 25971 NULL -+udp_setsockopt_25985 udp_setsockopt 5 25985 NULL -+ebt_compat_entry_padsize_26001 ebt_compat_entry_padsize 0 26001 NULL -+lpfc_sli_probe_sriov_nr_virtfn_26004 lpfc_sli_probe_sriov_nr_virtfn 2 26004 NULL -+irq_create_strict_mappings_26025 irq_create_strict_mappings 2-4 26025 NULL -+xfs_xattr_acl_set_26028 xfs_xattr_acl_set 4 26028 NULL -+skb_mac_header_26034 skb_mac_header 0 26034 NULL -+mptscsih_change_queue_depth_26036 mptscsih_change_queue_depth 2 26036 NULL -+selinux_inode_post_setxattr_26037 selinux_inode_post_setxattr 4 26037 NULL -+tun_do_read_26047 tun_do_read 5 26047 NULL -+__alloc_memory_core_early_26053 __alloc_memory_core_early 2-3 26053 NULL -+keyctl_update_key_26061 keyctl_update_key 3 26061 NULL -+rx_rx_wa_density_dropped_frame_read_26095 rx_rx_wa_density_dropped_frame_read 3 26095 NULL -+skb_cow_26138 skb_cow 2 26138 NULL -+usb_dump_device_strings_26146 usb_dump_device_strings 0 26146 NULL -+copy_oldmem_page_26164 copy_oldmem_page 3-1 26164 NULL -+gfs2_xattr_acl_get_26166 gfs2_xattr_acl_get 0 26166 NULL nohasharray -+ath6kl_roam_table_read_26166 ath6kl_roam_table_read 3 26166 &gfs2_xattr_acl_get_26166 -+perf_adjust_period_26168 perf_adjust_period 2-3 26168 NULL -+mid_get_vbt_data_r1_26170 mid_get_vbt_data_r1 2 26170 NULL -+disk_devt_26180 disk_devt 0 26180 NULL -+get_registers_26187 get_registers 3 26187 NULL -+cgroup_setxattr_26188 cgroup_setxattr 4 26188 NULL -+ieee80211_if_fmt_dot11MeshTTL_26198 ieee80211_if_fmt_dot11MeshTTL 3 26198 NULL -+xfs_idata_realloc_26199 xfs_idata_realloc 2 26199 NULL -+mce_write_26201 mce_write 3 26201 NULL -+_scsih_change_queue_depth_26230 _scsih_change_queue_depth 2 26230 NULL -+bio_split_26235 bio_split 2 26235 NULL -+crypto_ctxsize_26278 crypto_ctxsize 0 26278 NULL -+wacom_set_device_mode_26280 wacom_set_device_mode 3 26280 NULL -+ext2_find_goal_26306 ext2_find_goal 0 26306 NULL -+snd_pcm_plug_client_channels_buf_26309 snd_pcm_plug_client_channels_buf 0-3 26309 NULL nohasharray -+pax_get_random_long_26309 pax_get_random_long 0 26309 &snd_pcm_plug_client_channels_buf_26309 -+pwr_wake_on_host_read_26321 pwr_wake_on_host_read 3 26321 NULL -+efx_rx_mk_skb_26342 efx_rx_mk_skb 5 26342 NULL -+ocfs2_duplicate_clusters_by_page_26357 ocfs2_duplicate_clusters_by_page 5 26357 NULL -+cifs_readdata_alloc_26360 cifs_readdata_alloc 1 26360 NULL -+dup_to_netobj_26363 dup_to_netobj 3 26363 NULL -+invalidate_inode_pages2_range_26403 invalidate_inode_pages2_range 0 26403 NULL -+dma_declare_contiguous_26455 dma_declare_contiguous 2 26455 NULL -+ib_alloc_device_26483 ib_alloc_device 1 26483 NULL -+ulong_write_file_26485 ulong_write_file 3 26485 NULL -+dvb_ca_en50221_io_ioctl_26490 dvb_ca_en50221_io_ioctl 2 26490 NULL -+read_vmcore_26501 read_vmcore 3 26501 NULL -+vfio_pci_set_msi_trigger_26507 vfio_pci_set_msi_trigger 3-4 26507 NULL -+iwl_dbgfs_rf_reset_read_26512 iwl_dbgfs_rf_reset_read 3 26512 NULL -+__vhost_add_used_n_26554 __vhost_add_used_n 3 26554 NULL -+ip6_addr_string_26568 ip6_addr_string 0 26568 NULL -+kvm_iommu_put_pages_26571 kvm_iommu_put_pages 2 26571 NULL -+rts51x_read_mem_26577 rts51x_read_mem 4 26577 NULL nohasharray -+batadv_receive_server_sync_packet_26577 batadv_receive_server_sync_packet 3 26577 &rts51x_read_mem_26577 -+cirrusfb_get_memsize_26597 cirrusfb_get_memsize 0 26597 NULL -+regcache_set_reg_present_26598 regcache_set_reg_present 2 26598 NULL -+__unmap_single_26604 __unmap_single 2-3 26604 NULL -+iommu_alloc_26621 iommu_alloc 4 26621 NULL -+pack_value_26625 pack_value 1 26625 NULL -+pwr_fix_tsf_ps_read_26627 pwr_fix_tsf_ps_read 3 26627 NULL -+irq_alloc_generic_chip_26650 irq_alloc_generic_chip 2 26650 NULL nohasharray -+inb_p_26650 inb_p 0 26650 &irq_alloc_generic_chip_26650 -+cipso_v4_map_cat_rbm_hton_26680 cipso_v4_map_cat_rbm_hton 0 26680 NULL -+__alloc_pred_stack_26687 __alloc_pred_stack 2 26687 NULL -+rtllib_authentication_req_26713 rtllib_authentication_req 3 26713 NULL -+aty_ld_le32_26720 aty_ld_le32 0 26720 NULL -+nouveau_namedb_create__26732 nouveau_namedb_create_ 7 26732 NULL -+SyS_fcntl_26737 SyS_fcntl 3 26737 NULL -+pipeline_tcp_rx_stat_fifo_int_read_26745 pipeline_tcp_rx_stat_fifo_int_read 3 26745 NULL -+srp_ring_alloc_26760 srp_ring_alloc 2 26760 NULL -+snd_hda_get_raw_connections_26762 snd_hda_get_raw_connections 0 26762 NULL -+qlcnic_alloc_sds_rings_26795 qlcnic_alloc_sds_rings 2 26795 NULL -+cipso_v4_genopt_26812 cipso_v4_genopt 0 26812 NULL -+iwl_trans_read_mem32_26825 iwl_trans_read_mem32 0 26825 NULL -+smk_write_load_26829 smk_write_load 3 26829 NULL -+sizeof_pwm_leds_priv_26830 sizeof_pwm_leds_priv 0-1 26830 NULL -+slgt_compat_ioctl_26834 slgt_compat_ioctl 3 26834 NULL -+__nodes_onto_26838 __nodes_onto 4 26838 NULL -+scnprint_id_26842 scnprint_id 3 26842 NULL -+ecryptfs_miscdev_write_26847 ecryptfs_miscdev_write 3 26847 NULL -+netxen_nic_hw_read_wx_128M_26858 netxen_nic_hw_read_wx_128M 2 26858 NULL -+svc_print_xprts_26881 svc_print_xprts 0 26881 NULL -+ext2_compat_ioctl_26883 ext2_compat_ioctl 3 26883 NULL -+slhc_uncompress_26905 slhc_uncompress 0-3 26905 NULL -+x25_asy_change_mtu_26928 x25_asy_change_mtu 2 26928 NULL -+compat_mtw_from_user_26932 compat_mtw_from_user 0 26932 NULL -+scsi_tgt_copy_sense_26933 scsi_tgt_copy_sense 3 26933 NULL -+pwr_ps_enter_read_26935 pwr_ps_enter_read 3 26935 NULL nohasharray -+sctp_setsockopt_adaptation_layer_26935 sctp_setsockopt_adaptation_layer 3 26935 &pwr_ps_enter_read_26935 -+carl9170_handle_mpdu_26940 carl9170_handle_mpdu 3 26940 NULL nohasharray -+create_bm_block_list_26940 create_bm_block_list 0 26940 &carl9170_handle_mpdu_26940 -+hecubafb_write_26942 hecubafb_write 3 26942 NULL -+extract_entropy_user_26952 extract_entropy_user 3 26952 NULL nohasharray -+do_trimming_26952 do_trimming 3 26952 &extract_entropy_user_26952 -+pcf857x_irq_domain_map_26998 pcf857x_irq_domain_map 2 26998 NULL -+swiotlb_bounce_27046 swiotlb_bounce 2-1 27046 NULL -+ufs_alloc_fragments_27059 ufs_alloc_fragments 3-0-2 27059 NULL -+__videobuf_alloc_vb_27062 __videobuf_alloc_vb 1 27062 NULL -+snd_pcm_lib_period_bytes_27071 snd_pcm_lib_period_bytes 0 27071 NULL -+paravirt_read_msr_27077 paravirt_read_msr 0 27077 NULL -+alloc_fdmem_27083 alloc_fdmem 1 27083 NULL -+compat_SyS_rt_sigpending_27084 compat_SyS_rt_sigpending 2 27084 NULL -+find_first_bit_27088 find_first_bit 0-2 27088 NULL -+btmrvl_hscmd_write_27089 btmrvl_hscmd_write 3 27089 NULL -+nes_reg_user_mr_27106 nes_reg_user_mr 2-3 27106 NULL -+__devcgroup_inode_permission_27108 __devcgroup_inode_permission 0 27108 NULL -+SYSC_ipc_27123 SYSC_ipc 3 27123 NULL -+get_kernel_page_27133 get_kernel_page 0 27133 NULL -+drbd_get_capacity_27141 drbd_get_capacity 0 27141 NULL -+pms_capture_27142 pms_capture 4 27142 NULL -+btmrvl_hscfgcmd_write_27143 btmrvl_hscfgcmd_write 3 27143 NULL -+snd_compr_calc_avail_27165 snd_compr_calc_avail 0 27165 NULL -+i2400m_net_rx_27170 i2400m_net_rx 5 27170 NULL -+ieee80211_if_read_rc_rateidx_mask_5ghz_27183 ieee80211_if_read_rc_rateidx_mask_5ghz 3 27183 NULL -+mmc_blk_compat_ioctl_27194 mmc_blk_compat_ioctl 4 27194 NULL -+dbAllocAG_27228 dbAllocAG 0 27228 NULL -+rxrpc_request_key_27235 rxrpc_request_key 3 27235 NULL -+cfpkt_add_trail_27260 cfpkt_add_trail 3 27260 NULL -+__dma_map_cont_27289 __dma_map_cont 5 27289 NULL -+hpi_read_reg_27302 hpi_read_reg 0 27302 NULL -+copy_from_buf_27308 copy_from_buf 4-2 27308 NULL -+virtqueue_add_inbuf_27312 virtqueue_add_inbuf 3 27312 NULL nohasharray -+ath6kl_wmi_test_cmd_27312 ath6kl_wmi_test_cmd 3 27312 &virtqueue_add_inbuf_27312 -+ocfs2_blocks_to_clusters_27327 ocfs2_blocks_to_clusters 0-2 27327 NULL -+snd_pcm_oss_write2_27332 snd_pcm_oss_write2 3-0 27332 NULL -+afs_cell_create_27346 afs_cell_create 2 27346 NULL -+compat_SyS_semctl_27349 compat_SyS_semctl 4 27349 NULL -+pcbit_stat_27364 pcbit_stat 2 27364 NULL -+init_memory_mapping_27395 init_memory_mapping 0 27395 NULL -+phys_pte_init_27411 phys_pte_init 0-3-2 27411 NULL -+ib_dma_map_sg_27413 ib_dma_map_sg 0 27413 NULL -+acpi_os_get_root_pointer_27416 acpi_os_get_root_pointer 0 27416 NULL nohasharray -+ieee80211_if_read_smps_27416 ieee80211_if_read_smps 3 27416 &acpi_os_get_root_pointer_27416 -+pack_sg_list_27425 pack_sg_list 0-2 27425 NULL -+ktime_to_us_27455 ktime_to_us 0 27455 NULL -+v4l2_ctrl_new_std_menu_items_27487 v4l2_ctrl_new_std_menu_items 4 27487 NULL -+set_tpl_pfs_27490 set_tpl_pfs 3 27490 NULL -+hcd_buffer_alloc_27495 hcd_buffer_alloc 2 27495 NULL -+qib_create_cq_27497 qib_create_cq 2 27497 NULL -+ip_set_get_h32_27498 ip_set_get_h32 0 27498 NULL -+btrfs_get_64_27499 btrfs_get_64 0 27499 NULL -+__usbnet_write_cmd_27500 __usbnet_write_cmd 7 27500 NULL -+garmin_read_process_27509 garmin_read_process 3 27509 NULL -+ib_copy_to_udata_27525 ib_copy_to_udata 3 27525 NULL -+snd_sonicvibes_getdmaa_27552 snd_sonicvibes_getdmaa 0 27552 NULL -+SyS_fgetxattr_27571 SyS_fgetxattr 4 27571 NULL -+libipw_alloc_txb_27579 libipw_alloc_txb 1-2-3 27579 NULL -+read_flush_procfs_27642 read_flush_procfs 3 27642 NULL nohasharray -+nl80211_send_connect_result_27642 nl80211_send_connect_result 5-7 27642 &read_flush_procfs_27642 nohasharray -+ocfs2_xattr_ibody_get_27642 ocfs2_xattr_ibody_get 0 27642 &nl80211_send_connect_result_27642 -+add_new_gdb_27643 add_new_gdb 3 27643 NULL -+qnx6_readpages_27657 qnx6_readpages 4 27657 NULL -+cdrom_read_cdda_old_27664 cdrom_read_cdda_old 4 27664 NULL -+set_bypass_pwoff_pfs_27669 set_bypass_pwoff_pfs 3 27669 NULL -+qword_get_27670 qword_get 0 27670 NULL -+ocfs2_extend_dir_27695 ocfs2_extend_dir 4 27695 NULL -+fs_path_add_from_extent_buffer_27702 fs_path_add_from_extent_buffer 4 27702 NULL -+inc_zcache_eph_zbytes_27704 inc_zcache_eph_zbytes 1 27704 NULL -+evm_write_key_27715 evm_write_key 3 27715 NULL -+ieee80211_if_fmt_dot11MeshGateAnnouncementProtocol_27722 ieee80211_if_fmt_dot11MeshGateAnnouncementProtocol 3 27722 NULL -+reg_w_buf_27724 reg_w_buf 3 27724 NULL -+xfs_dir2_block_sfsize_27727 xfs_dir2_block_sfsize 0 27727 NULL -+a4t_cs_init_27734 a4t_cs_init 3 27734 NULL -+SyS_setsockopt_27759 SyS_setsockopt 5 27759 NULL -+kcalloc_27770 kcalloc 1-2 27770 NULL -+twl4030_set_gpio_dataout_27792 twl4030_set_gpio_dataout 1 27792 NULL -+DivaSTraceGetMemotyRequirement_27797 DivaSTraceGetMemotyRequirement 0-1 27797 NULL -+ttm_object_file_init_27804 ttm_object_file_init 2 27804 NULL -+mpihelp_mul_27805 mpihelp_mul 5-3 27805 NULL -+fwtty_buffer_rx_27821 fwtty_buffer_rx 3 27821 NULL -+init_header_complete_27833 init_header_complete 0 27833 NULL nohasharray -+sys_listxattr_27833 sys_listxattr 3 27833 &init_header_complete_27833 -+read_profile_27859 read_profile 3 27859 NULL -+sky2_pci_read16_27863 sky2_pci_read16 0 27863 NULL -+ieee80211_if_read_dot11MeshHWMProotInterval_27873 ieee80211_if_read_dot11MeshHWMProotInterval 3 27873 NULL -+unix_seqpacket_sendmsg_27893 unix_seqpacket_sendmsg 4 27893 NULL -+gluebi_write_27905 gluebi_write 3 27905 NULL -+SyS_ptrace_27924 SyS_ptrace 3-4 27924 NULL -+bm_find_next_27929 bm_find_next 2 27929 NULL -+tracing_clock_write_27961 tracing_clock_write 3 27961 NULL -+tipc_media_addr_printf_27971 tipc_media_addr_printf 2 27971 NULL -+mic_rx_pkts_read_27972 mic_rx_pkts_read 3 27972 NULL -+f2fs_bio_alloc_27983 f2fs_bio_alloc 2 27983 NULL -+edt_ft5x06_debugfs_raw_data_read_28002 edt_ft5x06_debugfs_raw_data_read 3 28002 NULL -+snd_rawmidi_write_28008 snd_rawmidi_write 3 28008 NULL -+serial8250_port_size_28019 serial8250_port_size 0 28019 NULL -+alloc_one_pg_vec_page_28031 alloc_one_pg_vec_page 1 28031 NULL -+sctp_setsockopt_maxburst_28041 sctp_setsockopt_maxburst 3 28041 NULL -+rts51x_xd_rw_28046 rts51x_xd_rw 3-4 28046 NULL -+cx231xx_init_vbi_isoc_28053 cx231xx_init_vbi_isoc 3-2 28053 NULL -+pool_status_28055 pool_status 5 28055 NULL -+lpfc_idiag_mbxacc_read_28061 lpfc_idiag_mbxacc_read 3 28061 NULL -+tx_frag_bad_mblk_num_read_28064 tx_frag_bad_mblk_num_read 3 28064 NULL -+ext4_read_block_bitmap_nowait_28078 ext4_read_block_bitmap_nowait 2 28078 NULL -+GetRecvByte_28082 GetRecvByte 0 28082 NULL -+platform_get_irq_28088 platform_get_irq 0 28088 NULL -+gdth_init_isa_28091 gdth_init_isa 1 28091 NULL -+mmc_test_alloc_mem_28102 mmc_test_alloc_mem 3-2 28102 NULL -+rx_defrag_need_defrag_read_28117 rx_defrag_need_defrag_read 3 28117 NULL -+vgacon_adjust_height_28124 vgacon_adjust_height 2 28124 NULL -+video_read_28148 video_read 3 28148 NULL -+snd_midi_channel_alloc_set_28153 snd_midi_channel_alloc_set 1 28153 NULL -+stats_dot11FCSErrorCount_read_28154 stats_dot11FCSErrorCount_read 3 28154 NULL -+vread_28173 vread 0 28173 NULL -+macvtap_get_user_28185 macvtap_get_user 4 28185 NULL -+d_path_28198 d_path 0 28198 NULL -+nouveau_mxm_create__28200 nouveau_mxm_create_ 4 28200 NULL -+__qp_memcpy_from_queue_28220 __qp_memcpy_from_queue 3-4 28220 NULL -+line6_alloc_sysex_buffer_28225 line6_alloc_sysex_buffer 4 28225 NULL nohasharray -+set_dis_disc_pfs_28225 set_dis_disc_pfs 3 28225 &line6_alloc_sysex_buffer_28225 -+amd_nb_num_28228 amd_nb_num 0 28228 NULL -+ext4_validate_block_bitmap_28243 ext4_validate_block_bitmap 3 28243 NULL -+usemap_size_28281 usemap_size 0 28281 NULL -+dma_map_sg_attrs_28289 dma_map_sg_attrs 0 28289 NULL -+acpi_register_gsi_xen_28305 acpi_register_gsi_xen 2 28305 NULL nohasharray -+nouveau_compat_ioctl_28305 nouveau_compat_ioctl 2 28305 &acpi_register_gsi_xen_28305 -+__mlock_vma_pages_range_28315 __mlock_vma_pages_range 2-3 28315 NULL -+snd_pcm_oss_read_28317 snd_pcm_oss_read 3 28317 NULL -+bm_entry_write_28338 bm_entry_write 3 28338 NULL -+snapshot_write_28351 snapshot_write 3 28351 NULL -+sys_writev_28384 sys_writev 3 28384 NULL -+dlmfs_file_read_28385 dlmfs_file_read 3 28385 NULL -+tx_frag_cache_miss_read_28394 tx_frag_cache_miss_read 3 28394 NULL -+set_bypass_pfs_28395 set_bypass_pfs 3 28395 NULL -+bypass_pwup_write_28416 bypass_pwup_write 3 28416 NULL -+subdev_ioctl_28417 subdev_ioctl 2 28417 NULL -+__split_large_page_28429 __split_large_page 2 28429 NULL -+mpage_readpages_28436 mpage_readpages 3 28436 NULL -+set_memory_uc_28439 set_memory_uc 1 28439 NULL -+snd_emu10k1_efx_read_28452 snd_emu10k1_efx_read 2 28452 NULL -+key_mic_failures_read_28457 key_mic_failures_read 3 28457 NULL -+alloc_irq_cpu_rmap_28459 alloc_irq_cpu_rmap 1 28459 NULL -+vmw_du_crtc_cursor_set_28479 vmw_du_crtc_cursor_set 4-5 28479 NULL -+ocfs2_backup_super_blkno_28484 ocfs2_backup_super_blkno 0-2 28484 NULL -+max_response_pages_28492 max_response_pages 0 28492 NULL -+clear_discard_28494 clear_discard 2 28494 NULL -+ps_poll_upsd_utilization_read_28519 ps_poll_upsd_utilization_read 3 28519 NULL -+__next_node_28521 __next_node 1 28521 NULL -+i2400m_tx_stats_read_28527 i2400m_tx_stats_read 3 28527 NULL -+sel_read_policycap_28544 sel_read_policycap 3 28544 NULL -+run_delalloc_range_28545 run_delalloc_range 3 28545 NULL nohasharray -+mptctl_getiocinfo_28545 mptctl_getiocinfo 2 28545 &run_delalloc_range_28545 -+b43legacy_debugfs_write_28556 b43legacy_debugfs_write 3 28556 NULL -+asymmetric_verify_28567 asymmetric_verify 3 28567 NULL -+phys_pud_init_28574 phys_pud_init 0-3-2 28574 NULL -+cfg80211_send_rx_auth_28580 cfg80211_send_rx_auth 3 28580 NULL -+oxygen_read32_28582 oxygen_read32 0 28582 NULL -+ocfs2_read_dir_block_28587 ocfs2_read_dir_block 2 28587 NULL -+extract_entropy_28604 extract_entropy 3-5 28604 NULL -+kfifo_unused_28612 kfifo_unused 0 28612 NULL -+mp_override_legacy_irq_28618 mp_override_legacy_irq 4 28618 NULL -+snd_nm256_capture_copy_28622 snd_nm256_capture_copy 5-3 28622 NULL -+_set_range_28627 _set_range 3 28627 NULL -+v4l2_compat_ioctl32_28630 v4l2_compat_ioctl32 3 28630 NULL -+setup_usemap_28636 setup_usemap 3-4 28636 NULL -+blk_queue_resize_tags_28670 blk_queue_resize_tags 2 28670 NULL -+__dev_alloc_skb_28681 __dev_alloc_skb 1 28681 NULL -+nl80211_send_new_peer_candidate_28692 nl80211_send_new_peer_candidate 5 28692 NULL nohasharray -+kvm_mmu_get_page_28692 kvm_mmu_get_page 2 28692 &nl80211_send_new_peer_candidate_28692 -+drm_plane_init_28731 drm_plane_init 6 28731 NULL -+spi_execute_28736 spi_execute 5 28736 NULL -+snd_pcm_aio_write_28738 snd_pcm_aio_write 3 28738 NULL nohasharray -+phantom_compat_ioctl_28738 phantom_compat_ioctl 3 28738 &snd_pcm_aio_write_28738 -+read_file_btcoex_28743 read_file_btcoex 3 28743 NULL -+max_hw_blocks_28748 max_hw_blocks 0 28748 NULL -+ath6kl_get_num_reg_28780 ath6kl_get_num_reg 0 28780 NULL -+dvb_net_sec_callback_28786 dvb_net_sec_callback 2 28786 NULL -+btrfs_block_rsv_refill_28800 btrfs_block_rsv_refill 3 28800 NULL nohasharray -+sel_write_member_28800 sel_write_member 3 28800 &btrfs_block_rsv_refill_28800 -+cgroup_file_read_28804 cgroup_file_read 3 28804 NULL -+btrfs_ref_to_path_28809 btrfs_ref_to_path 0 28809 NULL -+memory_bm_create_28814 memory_bm_create 0 28814 NULL -+iwl_dbgfs_rxon_filter_flags_read_28832 iwl_dbgfs_rxon_filter_flags_read 3 28832 NULL -+C_SYSC_shmat_28843 C_SYSC_shmat 2 28843 NULL -+vp_request_msix_vectors_28849 vp_request_msix_vectors 2 28849 NULL -+ipv6_renew_options_28867 ipv6_renew_options 5 28867 NULL -+packet_sendmsg_spkt_28885 packet_sendmsg_spkt 4 28885 NULL -+to_cblock_28899 to_cblock 0-1 28899 NULL -+da9055_group_write_28904 da9055_group_write 2-3 28904 NULL -+ps_upsd_timeouts_read_28924 ps_upsd_timeouts_read 3 28924 NULL -+ocfs2_frozen_trigger_28929 ocfs2_frozen_trigger 4 28929 NULL -+push_rx_28939 push_rx 3 28939 NULL -+btrfs_trim_block_group_28963 btrfs_trim_block_group 3 28963 NULL -+alloc_sched_domains_28972 alloc_sched_domains 1 28972 NULL -+ext4_mb_add_groupinfo_28988 ext4_mb_add_groupinfo 2 28988 NULL -+bin_uuid_28999 bin_uuid 3 28999 NULL -+offset_to_bitmap_29004 offset_to_bitmap 2 29004 NULL -+xz_dec_init_29029 xz_dec_init 2 29029 NULL -+sys_fcntl64_29031 sys_fcntl64 3 29031 NULL -+ieee80211_if_read_ht_opmode_29044 ieee80211_if_read_ht_opmode 3 29044 NULL -+rxrpc_sendmsg_29049 rxrpc_sendmsg 4 29049 NULL -+iso_packets_buffer_init_29061 iso_packets_buffer_init 3-4 29061 NULL -+lpfc_idiag_extacc_drivr_get_29067 lpfc_idiag_extacc_drivr_get 0-3 29067 NULL -+memblock_alloc_base_nid_29072 memblock_alloc_base_nid 1-2 29072 NULL -+sctp_getsockopt_assoc_stats_29074 sctp_getsockopt_assoc_stats 2 29074 NULL -+mark_extents_written_29082 mark_extents_written 2 29082 NULL -+i915_error_object_create_sized_29091 i915_error_object_create_sized 3 29091 NULL -+isdn_ppp_write_29109 isdn_ppp_write 4 29109 NULL -+snprintf_29125 snprintf 0 29125 NULL -+iov_shorten_29130 iov_shorten 0 29130 NULL -+proc_scsi_write_29142 proc_scsi_write 3 29142 NULL -+reshape_ring_29147 reshape_ring 2 29147 NULL -+alloc_irqs_from_29152 alloc_irqs_from 1-2 29152 NULL -+drm_property_create_enum_29201 drm_property_create_enum 5 29201 NULL -+wusb_prf_256_29203 wusb_prf_256 7 29203 NULL nohasharray -+alloc_group_attrs_29203 alloc_group_attrs 3 29203 &wusb_prf_256_29203 -+__mm_populate_29204 __mm_populate 1 29204 NULL -+comedi_alloc_subdevices_29207 comedi_alloc_subdevices 2 29207 NULL -+do_shrinker_shrink_29208 do_shrinker_shrink 0 29208 NULL -+iwl_dbgfs_temperature_read_29224 iwl_dbgfs_temperature_read 3 29224 NULL -+nvme_trans_copy_from_user_29227 nvme_trans_copy_from_user 3 29227 NULL -+devm_ioremap_29235 devm_ioremap 2-3 29235 NULL -+irq_domain_add_linear_29236 irq_domain_add_linear 2 29236 NULL -+recover_peb_29238 recover_peb 6-7 29238 NULL -+security_context_to_sid_core_29248 security_context_to_sid_core 2 29248 NULL -+block_div_29268 block_div 0-1-2 29268 NULL -+prism2_set_genericelement_29277 prism2_set_genericelement 3 29277 NULL -+bitmap_ord_to_pos_29279 bitmap_ord_to_pos 3 29279 NULL -+sn9c102_read_29305 sn9c102_read 3 29305 NULL -+__fuse_get_req_29315 __fuse_get_req 2 29315 NULL -+lo_compat_ioctl_29336 lo_compat_ioctl 4 29336 NULL -+tun_put_user_29337 tun_put_user 5 29337 NULL -+__alloc_ei_netdev_29338 __alloc_ei_netdev 1 29338 NULL -+alloc_and_copy_ftrace_hash_29368 alloc_and_copy_ftrace_hash 1 29368 NULL -+ktime_us_delta_29375 ktime_us_delta 0 29375 NULL -+mwifiex_cfg80211_mgmt_tx_29387 mwifiex_cfg80211_mgmt_tx 7 29387 NULL -+pca953x_irq_setup_29407 pca953x_irq_setup 3 29407 NULL -+mempool_create_29437 mempool_create 1 29437 NULL -+crypto_ahash_alignmask_29445 crypto_ahash_alignmask 0 29445 NULL -+apei_exec_ctx_get_output_29457 apei_exec_ctx_get_output 0 29457 NULL -+validate_scan_freqs_29462 validate_scan_freqs 0 29462 NULL -+SyS_flistxattr_29474 SyS_flistxattr 3 29474 NULL -+do_register_entry_29478 do_register_entry 4 29478 NULL -+simple_strtoul_29480 simple_strtoul 0 29480 NULL -+sched_clock_local_29498 sched_clock_local 0 29498 NULL -+btmrvl_pscmd_write_29504 btmrvl_pscmd_write 3 29504 NULL -+btrfs_file_extent_disk_bytenr_29505 btrfs_file_extent_disk_bytenr 0 29505 NULL -+atk_debugfs_ggrp_read_29522 atk_debugfs_ggrp_read 3 29522 NULL -+_regmap_raw_write_29541 _regmap_raw_write 4-2 29541 NULL -+set_brk_29551 set_brk 1 29551 NULL nohasharray -+ftrace_write_29551 ftrace_write 3 29551 &set_brk_29551 -+idetape_queue_rw_tail_29562 idetape_queue_rw_tail 3 29562 NULL -+leaf_dealloc_29566 leaf_dealloc 3 29566 NULL nohasharray -+alloc_empty_pages_29566 alloc_empty_pages 2 29566 &leaf_dealloc_29566 -+lbs_lowsnr_read_29571 lbs_lowsnr_read 3 29571 NULL -+pvr2_hdw_report_unlocked_29589 pvr2_hdw_report_unlocked 4 29589 NULL -+slots_per_page_29601 slots_per_page 0 29601 NULL -+qla4_82xx_pci_set_window_29605 qla4_82xx_pci_set_window 0-2 29605 NULL -+alloc_low_pages_29623 alloc_low_pages 1 29623 NULL -+nla_get_u16_29624 nla_get_u16 0 29624 NULL -+tx_frag_cache_hit_read_29639 tx_frag_cache_hit_read 3 29639 NULL -+lowmem_page_address_29649 lowmem_page_address 0 29649 NULL -+sctp_make_abort_user_29654 sctp_make_abort_user 3 29654 NULL -+br_send_bpdu_29669 br_send_bpdu 3 29669 NULL -+sisusb_write_mem_bulk_29678 sisusb_write_mem_bulk 4 29678 NULL -+sd_alloc_ctl_entry_29708 sd_alloc_ctl_entry 1 29708 NULL nohasharray -+posix_acl_from_xattr_29708 posix_acl_from_xattr 3 29708 &sd_alloc_ctl_entry_29708 -+probes_write_29711 probes_write 3 29711 NULL -+emi62_writememory_29731 emi62_writememory 4 29731 NULL -+read_cis_cache_29735 read_cis_cache 4 29735 NULL -+std_nic_write_29752 std_nic_write 3 29752 NULL -+ip_vs_conn_fill_param_sync_29771 ip_vs_conn_fill_param_sync 6 29771 NULL -+tcf_csum_ipv6_icmp_29777 tcf_csum_ipv6_icmp 3 29777 NULL -+dbAlloc_29794 dbAlloc 0 29794 NULL -+ext4_trim_all_free_29806 ext4_trim_all_free 4-3-2 29806 NULL -+tcp_sendpage_29829 tcp_sendpage 4 29829 NULL -+scan_bitmap_block_29840 scan_bitmap_block 4 29840 NULL -+__probe_kernel_write_29842 __probe_kernel_write 3 29842 NULL -+kvm_read_hva_atomic_29848 kvm_read_hva_atomic 3 29848 NULL -+solo_enc_alloc_29860 solo_enc_alloc 3 29860 NULL -+ipv6_setsockopt_29871 ipv6_setsockopt 5 29871 NULL -+scsi_end_request_29876 scsi_end_request 3 29876 NULL -+crypto_aead_alignmask_29885 crypto_aead_alignmask 0 29885 NULL -+nfc_targets_found_29886 nfc_targets_found 3 29886 NULL -+ext4_xattr_set_acl_29930 ext4_xattr_set_acl 4 29930 NULL -+__btrfs_getxattr_29947 __btrfs_getxattr 0 29947 NULL -+irias_add_octseq_attrib_29983 irias_add_octseq_attrib 4 29983 NULL nohasharray -+diva_os_get_context_size_29983 diva_os_get_context_size 0 29983 &irias_add_octseq_attrib_29983 -+arch_setup_dmar_msi_29992 arch_setup_dmar_msi 1 29992 NULL -+vmci_host_setup_notify_30002 vmci_host_setup_notify 2 30002 NULL -+utf32_to_utf8_30028 utf32_to_utf8 0 30028 NULL -+alloc_netdev_mqs_30030 alloc_netdev_mqs 1 30030 NULL -+scsi_vpd_inquiry_30040 scsi_vpd_inquiry 4 30040 NULL -+drp_wmove_30043 drp_wmove 4 30043 NULL -+cxgbi_ddp_reserve_30091 cxgbi_ddp_reserve 4 30091 NULL -+snd_midi_channel_init_set_30092 snd_midi_channel_init_set 1 30092 NULL -+tg3_run_loopback_30093 tg3_run_loopback 2 30093 NULL -+rx_filter_data_filter_read_30098 rx_filter_data_filter_read 3 30098 NULL nohasharray -+dma_to_phys_30098 dma_to_phys 0-2 30098 &rx_filter_data_filter_read_30098 -+skb_pagelen_30113 skb_pagelen 0 30113 NULL -+spi_async_locked_30117 spi_async_locked 0 30117 NULL -+calgary_unmap_page_30130 calgary_unmap_page 2-3 30130 NULL -+_osd_req_sizeof_alist_header_30134 _osd_req_sizeof_alist_header 0 30134 NULL -+u_memcpya_30139 u_memcpya 2-3 30139 NULL -+btrfs_start_transaction_lflush_30178 btrfs_start_transaction_lflush 2 30178 NULL -+cx25821_video_ioctl_30188 cx25821_video_ioctl 2 30188 NULL -+mempool_create_page_pool_30189 mempool_create_page_pool 1 30189 NULL -+drm_property_create_bitmask_30195 drm_property_create_bitmask 5 30195 NULL -+usblp_ioctl_30203 usblp_ioctl 2 30203 NULL -+nfs_idmap_request_key_30208 nfs_idmap_request_key 3 30208 NULL -+read_4k_modal_eeprom_30212 read_4k_modal_eeprom 3 30212 NULL -+snd_ac97_pcm_assign_30218 snd_ac97_pcm_assign 2 30218 NULL -+f2fs_compat_ioctl_30261 f2fs_compat_ioctl 3 30261 NULL -+isr_pci_pm_read_30271 isr_pci_pm_read 3 30271 NULL -+compat_readv_30273 compat_readv 3 30273 NULL -+lapic_register_intr_30279 lapic_register_intr 1 30279 NULL -+skcipher_sendmsg_30290 skcipher_sendmsg 4 30290 NULL -+pipeline_sec_frag_swi_read_30294 pipeline_sec_frag_swi_read 3 30294 NULL -+tcp_sendmsg_30296 tcp_sendmsg 4 30296 NULL -+ext4_acl_from_disk_30320 ext4_acl_from_disk 2 30320 NULL -+generic_ptrace_pokedata_30338 generic_ptrace_pokedata 2 30338 NULL -+resource_from_user_30341 resource_from_user 3 30341 NULL -+__vmalloc_node_flags_30352 __vmalloc_node_flags 1 30352 NULL -+C_SYSC_readv_30369 C_SYSC_readv 3 30369 NULL -+sys_get_mempolicy_30379 sys_get_mempolicy 3-4 30379 NULL -+mangle_sdp_packet_30381 mangle_sdp_packet 10 30381 NULL -+c4iw_init_resource_30393 c4iw_init_resource 2-3 30393 NULL -+get_kernel_pages_30397 get_kernel_pages 0 30397 NULL -+_drbd_bm_find_next_zero_30415 _drbd_bm_find_next_zero 2 30415 NULL -+vb2_fop_write_30420 vb2_fop_write 3 30420 NULL -+tx_tx_template_prepared_read_30424 tx_tx_template_prepared_read 3 30424 NULL -+mq_create_30425 mq_create 1 30425 NULL -+enable_write_30456 enable_write 3 30456 NULL -+tx_tx_template_programmed_read_30461 tx_tx_template_programmed_read 3 30461 NULL -+urandom_read_30462 urandom_read 3 30462 NULL -+zoran_ioctl_30465 zoran_ioctl 2 30465 NULL -+ocrdma_reg_user_mr_30474 ocrdma_reg_user_mr 2-3 30474 NULL -+write_head_30481 write_head 4 30481 NULL -+adu_write_30487 adu_write 3 30487 NULL -+dwc3_testmode_write_30516 dwc3_testmode_write 3 30516 NULL -+debug_debug2_read_30526 debug_debug2_read 3 30526 NULL -+batadv_dat_snoop_incoming_arp_request_30548 batadv_dat_snoop_incoming_arp_request 3 30548 NULL -+disk_expand_part_tbl_30561 disk_expand_part_tbl 2 30561 NULL -+set_le_30581 set_le 4 30581 NULL -+from_cblock_30582 from_cblock 0-1 30582 NULL -+blk_init_tags_30592 blk_init_tags 1 30592 NULL -+i2c_hid_get_report_length_30598 i2c_hid_get_report_length 0 30598 NULL -+sgl_map_user_pages_30610 sgl_map_user_pages 2-3-4 30610 NULL -+SyS_msgrcv_30611 SyS_msgrcv 3 30611 NULL -+macvtap_sendmsg_30629 macvtap_sendmsg 4 30629 NULL -+ieee80211_if_read_dot11MeshAwakeWindowDuration_30631 ieee80211_if_read_dot11MeshAwakeWindowDuration 3 30631 NULL -+compat_raw_setsockopt_30634 compat_raw_setsockopt 5 30634 NULL -+agp_remap_30665 agp_remap 2 30665 NULL -+jffs2_flash_read_30667 jffs2_flash_read 0 30667 NULL -+il_free_pages_30692 il_free_pages 2 30692 NULL -+dccp_setsockopt_ccid_30701 dccp_setsockopt_ccid 4 30701 NULL -+lbs_debugfs_read_30721 lbs_debugfs_read 3 30721 NULL -+snd_nm256_playback_silence_30727 snd_nm256_playback_silence 4-3 30727 NULL -+snapshot_status_30744 snapshot_status 5 30744 NULL -+tcf_csum_ipv4_udp_30777 tcf_csum_ipv4_udp 4 30777 NULL -+smk_read_doi_30813 smk_read_doi 3 30813 NULL -+get_kobj_path_length_30831 get_kobj_path_length 0 30831 NULL -+sctp_setsockopt_auth_chunk_30843 sctp_setsockopt_auth_chunk 3 30843 NULL -+cfg80211_rx_mgmt_30844 cfg80211_rx_mgmt 5 30844 NULL -+hda_hwdep_ioctl_compat_30847 hda_hwdep_ioctl_compat 4 30847 NULL -+trace_probe_nr_files_30882 trace_probe_nr_files 0 30882 NULL -+ieee80211_if_fmt_dropped_frames_no_route_30884 ieee80211_if_fmt_dropped_frames_no_route 3 30884 NULL -+iommu_map_mmio_space_30919 iommu_map_mmio_space 1 30919 NULL -+sctp_setsockopt_rtoinfo_30941 sctp_setsockopt_rtoinfo 3 30941 NULL -+tty_insert_flip_string_flags_30969 tty_insert_flip_string_flags 4 30969 NULL -+huge_page_mask_30981 huge_page_mask 0 30981 NULL -+i2400mu_rx_size_grow_30989 i2400mu_rx_size_grow 0 30989 NULL -+lbs_host_sleep_read_31013 lbs_host_sleep_read 3 31013 NULL -+phys_pmd_init_31024 phys_pmd_init 0-3-2 31024 NULL -+compat_sys_mq_timedsend_31060 compat_sys_mq_timedsend 3 31060 NULL -+lbs_failcount_read_31063 lbs_failcount_read 3 31063 NULL -+find_next_bit_le_31064 find_next_bit_le 0-2-3 31064 NULL -+sys_mincore_31079 sys_mincore 1 31079 NULL -+ttm_bo_ioremap_31082 ttm_bo_ioremap 2-3 31082 NULL -+sctp_setsockopt_context_31091 sctp_setsockopt_context 3 31091 NULL -+compat_sys_get_mempolicy_31109 compat_sys_get_mempolicy 3-4 31109 NULL -+depth_read_31112 depth_read 3 31112 NULL -+ssb_read16_31139 ssb_read16 0 31139 NULL -+kimage_normal_alloc_31140 kimage_normal_alloc 3 31140 NULL -+size_inside_page_31141 size_inside_page 0 31141 NULL -+w9966_v4l_read_31148 w9966_v4l_read 3 31148 NULL -+ch_do_scsi_31171 ch_do_scsi 4 31171 NULL -+acpi_ex_system_memory_space_handler_31192 acpi_ex_system_memory_space_handler 2 31192 NULL -+r592_read_fifo_pio_31198 r592_read_fifo_pio 3 31198 NULL -+mtdchar_readoob_31200 mtdchar_readoob 4 31200 NULL -+__btrfs_free_reserved_extent_31207 __btrfs_free_reserved_extent 2 31207 NULL -+kvm_mmu_page_fault_31213 kvm_mmu_page_fault 2 31213 NULL -+cpumask_weight_31215 cpumask_weight 0 31215 NULL -+__read_reg_31216 __read_reg 0 31216 NULL -+atm_get_addr_31221 atm_get_addr 3 31221 NULL -+cyy_readb_31240 cyy_readb 0 31240 NULL -+_create_sg_bios_31244 _create_sg_bios 4 31244 NULL -+ieee80211_if_read_last_beacon_31257 ieee80211_if_read_last_beacon 3 31257 NULL -+sctp_tsnmap_find_gap_ack_31272 sctp_tsnmap_find_gap_ack 3-2 31272 NULL -+uvc_simplify_fraction_31303 uvc_simplify_fraction 3 31303 NULL -+sisusbcon_scroll_31315 sisusbcon_scroll 5-2-3 31315 NULL -+command_file_write_31318 command_file_write 3 31318 NULL -+em28xx_init_usb_xfer_31337 em28xx_init_usb_xfer 4-6 31337 NULL -+__cpu_to_node_31345 __cpu_to_node 0 31345 NULL -+xprt_rdma_allocate_31372 xprt_rdma_allocate 2 31372 NULL -+vb2_vmalloc_get_userptr_31374 vb2_vmalloc_get_userptr 3-2 31374 NULL -+trace_parser_get_init_31379 trace_parser_get_init 2 31379 NULL -+inb_31388 inb 0 31388 NULL -+key_ifindex_read_31411 key_ifindex_read 3 31411 NULL -+mcs7830_set_reg_31413 mcs7830_set_reg 3 31413 NULL -+TSS_checkhmac1_31429 TSS_checkhmac1 5 31429 NULL -+snd_aw2_saa7146_get_hw_ptr_capture_31431 snd_aw2_saa7146_get_hw_ptr_capture 0 31431 NULL -+acpi_sci_ioapic_setup_31445 acpi_sci_ioapic_setup 4 31445 NULL -+opera1_xilinx_rw_31453 opera1_xilinx_rw 5 31453 NULL -+input_get_new_minor_31464 input_get_new_minor 1 31464 NULL -+do_fcntl_31468 do_fcntl 3 31468 NULL -+xfs_btree_get_numrecs_31477 xfs_btree_get_numrecs 0 31477 NULL -+alg_setkey_31485 alg_setkey 3 31485 NULL -+rds_message_map_pages_31487 rds_message_map_pages 2 31487 NULL -+qsfp_2_read_31491 qsfp_2_read 3 31491 NULL -+__alloc_bootmem_31498 __alloc_bootmem 1-2 31498 NULL -+rmode_tss_base_31510 rmode_tss_base 0 31510 NULL -+hidraw_write_31536 hidraw_write 3 31536 NULL -+mtd_div_by_eb_31543 mtd_div_by_eb 0-1 31543 NULL -+usbvision_read_31555 usbvision_read 3 31555 NULL -+normalize_31566 normalize 0-1-2 31566 NULL -+tx_frag_tkip_called_read_31575 tx_frag_tkip_called_read 3 31575 NULL -+get_max_inline_xattr_value_size_31578 get_max_inline_xattr_value_size 0 31578 NULL -+osst_write_31581 osst_write 3 31581 NULL -+snd_compr_get_avail_31584 snd_compr_get_avail 0 31584 NULL -+iwl_dbgfs_ucode_tx_stats_read_31611 iwl_dbgfs_ucode_tx_stats_read 3 31611 NULL -+mtd_get_user_prot_info_31616 mtd_get_user_prot_info 0 31616 NULL -+arvo_sysfs_read_31617 arvo_sysfs_read 6 31617 NULL -+videobuf_read_one_31637 videobuf_read_one 3 31637 NULL -+pod_alloc_sysex_buffer_31651 pod_alloc_sysex_buffer 3 31651 NULL -+xfer_secondary_pool_31661 xfer_secondary_pool 2 31661 NULL -+emulator_set_cr_31665 emulator_set_cr 3 31665 NULL -+__lgread_31668 __lgread 4 31668 NULL -+symbol_string_31670 symbol_string 0 31670 NULL -+_usb_writeN_sync_31682 _usb_writeN_sync 4 31682 NULL -+forced_ps_read_31685 forced_ps_read 3 31685 NULL -+reiserfs_in_journal_31689 reiserfs_in_journal 3 31689 NULL -+audit_log_n_string_31705 audit_log_n_string 3 31705 NULL -+ath6kl_wmi_send_probe_response_cmd_31728 ath6kl_wmi_send_probe_response_cmd 6 31728 NULL nohasharray -+gfn_to_hva_read_31728 gfn_to_hva_read 2 31728 &ath6kl_wmi_send_probe_response_cmd_31728 -+utf16s_to_utf8s_31735 utf16s_to_utf8s 0 31735 NULL -+shmem_pwrite_slow_31741 shmem_pwrite_slow 3 31741 NULL -+NCR_700_change_queue_depth_31742 NCR_700_change_queue_depth 2 31742 NULL nohasharray -+input_abs_get_max_31742 input_abs_get_max 0 31742 &NCR_700_change_queue_depth_31742 -+muldiv64_31743 muldiv64 2-3 31743 NULL -+bcm_char_read_31750 bcm_char_read 3 31750 NULL -+snd_seq_device_new_31753 snd_seq_device_new 4 31753 NULL -+set_memory_wb_31761 set_memory_wb 1 31761 NULL -+usblp_cache_device_id_string_31790 usblp_cache_device_id_string 0 31790 NULL -+get_count_order_31800 get_count_order 0 31800 NULL -+ecryptfs_send_message_locked_31801 ecryptfs_send_message_locked 2 31801 NULL -+isr_rx_procs_read_31804 isr_rx_procs_read 3 31804 NULL -+strnlen_user_31815 strnlen_user 0-2 31815 NULL -+sta_last_signal_read_31818 sta_last_signal_read 3 31818 NULL -+drm_mode_crtc_set_gamma_size_31881 drm_mode_crtc_set_gamma_size 2 31881 NULL -+ddb_output_write_31902 ddb_output_write 3 31902 NULL -+xattr_permission_31907 xattr_permission 0 31907 NULL -+new_dir_31919 new_dir 3 31919 NULL -+kmem_alloc_31920 kmem_alloc 1 31920 NULL -+guestwidth_to_adjustwidth_31937 guestwidth_to_adjustwidth 0-1 31937 NULL -+SYSC_sethostname_31940 SYSC_sethostname 2 31940 NULL -+iov_iter_copy_from_user_31942 iov_iter_copy_from_user 4 31942 NULL -+vb2_write_31948 vb2_write 3 31948 NULL -+pvr2_ctrl_get_valname_31951 pvr2_ctrl_get_valname 4 31951 NULL -+regcache_rbtree_sync_31964 regcache_rbtree_sync 2 31964 NULL -+copy_from_user_toio_31966 copy_from_user_toio 3 31966 NULL -+mtd_add_partition_31971 mtd_add_partition 3 31971 NULL -+find_next_zero_bit_31990 find_next_zero_bit 0-2-3 31990 NULL -+default_setup_hpet_msi_31991 default_setup_hpet_msi 1 31991 NULL -+tps6586x_irq_map_32002 tps6586x_irq_map 2 32002 NULL -+calc_hmac_32010 calc_hmac 3 32010 NULL -+vmcs_read64_32012 vmcs_read64 0 32012 NULL -+aead_len_32021 aead_len 0 32021 NULL -+ocfs2_remove_extent_32032 ocfs2_remove_extent 4-3 32032 NULL -+posix_acl_set_32037 posix_acl_set 4 32037 NULL -+stk_read_32038 stk_read 3 32038 NULL -+vmw_cursor_update_dmabuf_32045 vmw_cursor_update_dmabuf 3-4 32045 NULL -+sys_sched_setaffinity_32046 sys_sched_setaffinity 2 32046 NULL -+SYSC_llistxattr_32061 SYSC_llistxattr 3 32061 NULL -+proc_scsi_devinfo_write_32064 proc_scsi_devinfo_write 3 32064 NULL -+cfg80211_send_unprot_deauth_32080 cfg80211_send_unprot_deauth 3 32080 NULL -+bio_alloc_32095 bio_alloc 2 32095 NULL -+alloc_pwms_32100 alloc_pwms 1-2 32100 NULL -+ath6kl_fwlog_read_32101 ath6kl_fwlog_read 3 32101 NULL -+disk_status_32120 disk_status 4 32120 NULL -+venus_link_32165 venus_link 5 32165 NULL -+do_writepages_32173 do_writepages 0 32173 NULL nohasharray -+ntfs_rl_realloc_nofail_32173 ntfs_rl_realloc_nofail 3 32173 &do_writepages_32173 -+load_header_32183 load_header 0 32183 NULL -+ubi_wl_scrub_peb_32196 ubi_wl_scrub_peb 0 32196 NULL -+wusb_ccm_mac_32199 wusb_ccm_mac 7 32199 NULL -+riva_get_cmap_len_32218 riva_get_cmap_len 0 32218 NULL -+lbs_lowrssi_read_32242 lbs_lowrssi_read 3 32242 NULL -+ocfs2_xattr_find_entry_32260 ocfs2_xattr_find_entry 0 32260 NULL -+fb_compat_ioctl_32265 fb_compat_ioctl 3 32265 NULL -+vmalloc_user_32308 vmalloc_user 1 32308 NULL -+hex_string_32310 hex_string 0 32310 NULL -+SyS_select_32319 SyS_select 1 32319 NULL -+nouveau_bar_create__32332 nouveau_bar_create_ 4 32332 NULL -+nl80211_send_mlme_event_32337 nl80211_send_mlme_event 4 32337 NULL -+t4_alloc_mem_32342 t4_alloc_mem 1 32342 NULL -+dispatch_ioctl_32357 dispatch_ioctl 2 32357 NULL -+sel_read_initcon_32362 sel_read_initcon 3 32362 NULL -+_drbd_bm_find_next_32372 _drbd_bm_find_next 2 32372 NULL -+usbtmc_read_32377 usbtmc_read 3 32377 NULL -+local_clock_32385 local_clock 0 32385 NULL -+qla4_82xx_pci_mem_write_2M_32398 qla4_82xx_pci_mem_write_2M 2 32398 NULL -+xfs_iext_add_indirect_multi_32400 xfs_iext_add_indirect_multi 3 32400 NULL -+vmci_qp_alloc_32405 vmci_qp_alloc 3-5 32405 NULL -+log_text_32428 log_text 0 32428 NULL -+regmap_irq_map_32429 regmap_irq_map 2 32429 NULL -+hid_input_report_32458 hid_input_report 4 32458 NULL -+cache_status_32462 cache_status 5 32462 NULL -+ieee80211_fill_mesh_addresses_32465 ieee80211_fill_mesh_addresses 0 32465 NULL -+ide_driver_proc_write_32493 ide_driver_proc_write 3 32493 NULL -+bypass_pwoff_write_32499 bypass_pwoff_write 3 32499 NULL -+ctrl_std_val_to_sym_32516 ctrl_std_val_to_sym 5 32516 NULL -+disconnect_32521 disconnect 4 32521 NULL -+qsfp_read_32522 qsfp_read 0-4-2 32522 NULL -+ilo_read_32531 ilo_read 3 32531 NULL -+ieee80211_if_read_estab_plinks_32533 ieee80211_if_read_estab_plinks 3 32533 NULL -+gnttab_set_unmap_op_32534 gnttab_set_unmap_op 2 32534 NULL -+ieee80211_send_auth_32543 ieee80211_send_auth 6 32543 NULL -+format_devstat_counter_32550 format_devstat_counter 3 32550 NULL -+__first_node_32558 __first_node 0 32558 NULL -+aes_encrypt_fail_read_32562 aes_encrypt_fail_read 3 32562 NULL -+pnp_mem_len_32584 pnp_mem_len 0 32584 NULL -+mem_swapout_entry_32586 mem_swapout_entry 3 32586 NULL -+pipeline_tcp_tx_stat_fifo_int_read_32589 pipeline_tcp_tx_stat_fifo_int_read 3 32589 NULL -+read_file_beacon_32595 read_file_beacon 3 32595 NULL -+ieee80211_if_read_dropped_frames_congestion_32603 ieee80211_if_read_dropped_frames_congestion 3 32603 NULL -+sys_set_mempolicy_32608 sys_set_mempolicy 3 32608 NULL -+cfg80211_roamed_32632 cfg80211_roamed 5-7 32632 NULL -+ieee80211_hdrlen_32637 ieee80211_hdrlen 0 32637 NULL -+ite_decode_bytes_32642 ite_decode_bytes 3 32642 NULL -+kvmalloc_32646 kvmalloc 1 32646 NULL -+ib_sg_dma_len_32649 ib_sg_dma_len 0 32649 NULL -+generic_readlink_32654 generic_readlink 3 32654 NULL -+move_addr_to_kernel_32673 move_addr_to_kernel 2 32673 NULL -+compat_SyS_pwritev_32680 compat_SyS_pwritev 3 32680 NULL -+jfs_readpages_32702 jfs_readpages 4 32702 NULL -+snd_hwdep_ioctl_compat_32736 snd_hwdep_ioctl_compat 3 32736 NULL -+get_arg_page_32746 get_arg_page 2 32746 NULL -+megasas_change_queue_depth_32747 megasas_change_queue_depth 2 32747 NULL -+stats_read_ul_32751 stats_read_ul 3 32751 NULL -+tty_compat_ioctl_32761 tty_compat_ioctl 3 32761 NULL -+sctp_tsnmap_grow_32784 sctp_tsnmap_grow 2 32784 NULL -+firmwareUpload_32794 firmwareUpload 3 32794 NULL -+rproc_name_read_32805 rproc_name_read 3 32805 NULL -+vga_rseq_32848 vga_rseq 0 32848 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 -+ath6kl_usb_submit_ctrl_in_32880 ath6kl_usb_submit_ctrl_in 6 32880 NULL nohasharray -+cifs_writedata_alloc_32880 cifs_writedata_alloc 1 32880 &ath6kl_usb_submit_ctrl_in_32880 -+ath6kl_usb_post_recv_transfers_32892 ath6kl_usb_post_recv_transfers 2 32892 NULL -+ext4_get_group_number_32899 ext4_get_group_number 0 32899 NULL -+il_dbgfs_tx_stats_read_32913 il_dbgfs_tx_stats_read 3 32913 NULL -+zlib_inflate_workspacesize_32927 zlib_inflate_workspacesize 0 32927 NULL -+rmap_recycle_32938 rmap_recycle 3 32938 NULL -+irq_reserve_irqs_32946 irq_reserve_irqs 1-2 32946 NULL -+ext4_valid_block_bitmap_32958 ext4_valid_block_bitmap 3 32958 NULL -+arch_ptrace_32981 arch_ptrace 3-4 32981 NULL -+compat_filldir_32999 compat_filldir 3 32999 NULL -+ext3_alloc_blocks_33007 ext3_alloc_blocks 3 33007 NULL nohasharray -+SyS_syslog_33007 SyS_syslog 3 33007 &ext3_alloc_blocks_33007 -+SYSC_lgetxattr_33049 SYSC_lgetxattr 4 33049 NULL -+pipeline_dec_packet_in_fifo_full_read_33052 pipeline_dec_packet_in_fifo_full_read 3 33052 NULL -+ebt_compat_match_offset_33053 ebt_compat_match_offset 0-2 33053 NULL -+bitmap_resize_33054 bitmap_resize 2 33054 NULL -+stats_dot11RTSSuccessCount_read_33065 stats_dot11RTSSuccessCount_read 3 33065 NULL -+sel_read_checkreqprot_33068 sel_read_checkreqprot 3 33068 NULL -+alloc_tio_33077 alloc_tio 3 33077 NULL -+acl_permission_check_33083 acl_permission_check 0 33083 NULL -+ieee80211_fragment_33112 ieee80211_fragment 4 33112 NULL -+write_node_33121 write_node 4 33121 NULL -+calc_patch_size_33124 calc_patch_size 0 33124 NULL -+fb_sys_write_33130 fb_sys_write 3 33130 NULL -+__len_within_target_33132 __len_within_target 0 33132 NULL -+debug_debug6_read_33168 debug_debug6_read 3 33168 NULL -+dataflash_read_fact_otp_33204 dataflash_read_fact_otp 2-3 33204 NULL -+pp_read_33210 pp_read 3 33210 NULL -+xfs_file_aio_write_33234 xfs_file_aio_write 4 33234 NULL -+build_completion_wait_33242 build_completion_wait 2 33242 NULL -+snd_pcm_plug_client_size_33267 snd_pcm_plug_client_size 0-2 33267 NULL -+sched_find_first_bit_33270 sched_find_first_bit 0 33270 NULL -+cachefiles_cook_key_33274 cachefiles_cook_key 2 33274 NULL -+mei_compat_ioctl_33275 mei_compat_ioctl 3 33275 NULL -+sync_pt_create_33282 sync_pt_create 2 33282 NULL -+mcs7830_get_reg_33308 mcs7830_get_reg 3 33308 NULL -+isku_sysfs_read_keys_easyzone_33318 isku_sysfs_read_keys_easyzone 6 33318 NULL -+ath6kl_usb_ctrl_msg_exchange_33327 ath6kl_usb_ctrl_msg_exchange 4 33327 NULL -+gsm_mux_rx_netchar_33336 gsm_mux_rx_netchar 3 33336 NULL -+joydev_ioctl_33343 joydev_ioctl 2 33343 NULL -+create_xattr_datum_33356 create_xattr_datum 5 33356 NULL nohasharray -+irq_pkt_threshold_read_33356 irq_pkt_threshold_read 3 33356 &create_xattr_datum_33356 -+read_file_regidx_33370 read_file_regidx 3 33370 NULL -+ocfs2_quota_read_33382 ocfs2_quota_read 5 33382 NULL -+ieee80211_if_read_dropped_frames_no_route_33383 ieee80211_if_read_dropped_frames_no_route 3 33383 NULL -+scsi_varlen_cdb_length_33385 scsi_varlen_cdb_length 0 33385 NULL -+tg_get_cfs_period_33390 tg_get_cfs_period 0 33390 NULL -+ocfs2_allocate_unwritten_extents_33394 ocfs2_allocate_unwritten_extents 2-3 33394 NULL -+ext4_meta_bg_first_block_no_33408 ext4_meta_bg_first_block_no 2 33408 NULL nohasharray -+snd_pcm_capture_ioctl1_33408 snd_pcm_capture_ioctl1 0 33408 &ext4_meta_bg_first_block_no_33408 -+ufs_getfrag_block_33409 ufs_getfrag_block 2 33409 NULL -+dis_tap_write_33426 dis_tap_write 3 33426 NULL -+ubh_scanc_33436 ubh_scanc 0-4-3 33436 NULL -+ovs_vport_alloc_33475 ovs_vport_alloc 1 33475 NULL -+create_entry_33479 create_entry 2 33479 NULL -+ip_setsockopt_33487 ip_setsockopt 5 33487 NULL nohasharray -+elf_map_33487 elf_map 0-2 33487 &ip_setsockopt_33487 -+netxen_nic_hw_write_wx_128M_33488 netxen_nic_hw_write_wx_128M 2 33488 NULL -+ol_dqblk_chunk_off_33489 ol_dqblk_chunk_off 2 33489 NULL -+res_counter_read_33499 res_counter_read 4 33499 NULL -+fb_read_33506 fb_read 3 33506 NULL -+musb_test_mode_write_33518 musb_test_mode_write 3 33518 NULL -+ahash_setkey_unaligned_33521 ahash_setkey_unaligned 3 33521 NULL -+nes_alloc_fast_reg_page_list_33523 nes_alloc_fast_reg_page_list 2 33523 NULL -+aggr_size_rx_size_read_33526 aggr_size_rx_size_read 3 33526 NULL -+acpi_gsi_to_irq_33533 acpi_gsi_to_irq 1 33533 NULL -+tomoyo_read_self_33539 tomoyo_read_self 3 33539 NULL -+dup_array_33551 dup_array 3 33551 NULL -+solo_enc_read_33553 solo_enc_read 3 33553 NULL -+count_subheaders_33591 count_subheaders 0 33591 NULL -+scsi_execute_33596 scsi_execute 5 33596 NULL -+comedi_buf_write_n_allocated_33604 comedi_buf_write_n_allocated 0 33604 NULL -+xt_compat_target_offset_33608 xt_compat_target_offset 0 33608 NULL nohasharray -+ip6_find_1stfragopt_33608 ip6_find_1stfragopt 0 33608 &xt_compat_target_offset_33608 -+usb_gstrings_attach_33615 usb_gstrings_attach 3 33615 NULL nohasharray -+il_dbgfs_qos_read_33615 il_dbgfs_qos_read 3 33615 &usb_gstrings_attach_33615 -+irq_blk_threshold_read_33666 irq_blk_threshold_read 3 33666 NULL -+inw_p_33668 inw_p 0 33668 NULL -+arp_hdr_len_33671 arp_hdr_len 0 33671 NULL -+i2c_hid_alloc_buffers_33673 i2c_hid_alloc_buffers 2 33673 NULL -+ath6kl_wmi_startscan_cmd_33674 ath6kl_wmi_startscan_cmd 8 33674 NULL -+nv50_disp_dmac_create__33696 nv50_disp_dmac_create_ 6 33696 NULL -+compat_insnlist_33706 compat_insnlist 2 33706 NULL -+sys_keyctl_33708 sys_keyctl 4 33708 NULL nohasharray -+netlink_sendmsg_33708 netlink_sendmsg 4 33708 &sys_keyctl_33708 -+tipc_link_stats_33716 tipc_link_stats 3 33716 NULL -+pvr2_stream_buffer_count_33719 pvr2_stream_buffer_count 2 33719 NULL -+ocfs2_extent_map_get_blocks_33720 ocfs2_extent_map_get_blocks 2 33720 NULL -+__mutex_lock_interruptible_slowpath_33735 __mutex_lock_interruptible_slowpath 0 33735 NULL -+Read_hfc_33755 Read_hfc 0 33755 NULL -+vifs_state_read_33762 vifs_state_read 3 33762 NULL -+hashtab_create_33769 hashtab_create 3 33769 NULL -+midibuf_message_length_33770 midibuf_message_length 0 33770 NULL -+if_sdio_read_rx_len_33800 if_sdio_read_rx_len 0 33800 NULL -+find_next_offset_33804 find_next_offset 3 33804 NULL -+sky2_rx_pad_33819 sky2_rx_pad 0 33819 NULL -+sep_create_msgarea_context_33829 sep_create_msgarea_context 4 33829 NULL -+scrub_setup_recheck_block_33831 scrub_setup_recheck_block 5-4 33831 NULL -+udplite_manip_pkt_33832 udplite_manip_pkt 4 33832 NULL -+usb_dump_endpoint_descriptor_33849 usb_dump_endpoint_descriptor 0 33849 NULL -+calgary_alloc_coherent_33851 calgary_alloc_coherent 2 33851 NULL -+oz_cdev_write_33852 oz_cdev_write 3 33852 NULL -+cap_mmap_addr_33853 cap_mmap_addr 0 33853 NULL -+get_user_pages_33908 get_user_pages 0-3-4 33908 NULL -+queue_logical_block_size_33918 queue_logical_block_size 0 33918 NULL -+sel_read_avc_cache_threshold_33942 sel_read_avc_cache_threshold 3 33942 NULL -+lpfc_idiag_ctlacc_read_33943 lpfc_idiag_ctlacc_read 3 33943 NULL -+read_file_tgt_rx_stats_33944 read_file_tgt_rx_stats 3 33944 NULL -+vga_switcheroo_debugfs_write_33984 vga_switcheroo_debugfs_write 3 33984 NULL -+__ntfs_malloc_34022 __ntfs_malloc 1 34022 NULL -+ppp_write_34034 ppp_write 3 34034 NULL -+tty_insert_flip_string_34042 tty_insert_flip_string 3 34042 NULL -+__domain_flush_pages_34045 __domain_flush_pages 2-3 34045 NULL -+is_trap_at_addr_34047 is_trap_at_addr 2 34047 NULL -+acpi_dev_get_irqresource_34064 acpi_dev_get_irqresource 2 34064 NULL -+memcg_update_all_caches_34068 memcg_update_all_caches 1 34068 NULL -+read_file_ant_diversity_34071 read_file_ant_diversity 3 34071 NULL -+compat_hdio_ioctl_34088 compat_hdio_ioctl 4 34088 NULL -+pipeline_pipeline_fifo_full_read_34095 pipeline_pipeline_fifo_full_read 3 34095 NULL -+proc_scsi_host_write_34107 proc_scsi_host_write 3 34107 NULL -+is_discarded_oblock_34120 is_discarded_oblock 2 34120 NULL -+islpci_mgt_transmit_34133 islpci_mgt_transmit 5 34133 NULL -+ttm_dma_page_pool_free_34135 ttm_dma_page_pool_free 2 34135 NULL -+cdc_mbim_process_dgram_34136 cdc_mbim_process_dgram 3 34136 NULL -+ixgbe_dbg_netdev_ops_write_34141 ixgbe_dbg_netdev_ops_write 3 34141 NULL -+shmem_pread_fast_34147 shmem_pread_fast 3 34147 NULL -+skb_to_sgvec_34171 skb_to_sgvec 0 34171 NULL -+ext4_da_write_begin_34215 ext4_da_write_begin 3-4 34215 NULL -+bl_pipe_downcall_34264 bl_pipe_downcall 3 34264 NULL -+pcf857x_to_irq_34273 pcf857x_to_irq 2 34273 NULL -+zone_spanned_pages_in_node_34299 zone_spanned_pages_in_node 0 34299 NULL -+iov_iter_single_seg_count_34326 iov_iter_single_seg_count 0 34326 NULL nohasharray -+pcpu_need_to_extend_34326 pcpu_need_to_extend 0 34326 &iov_iter_single_seg_count_34326 -+__insert_34349 __insert 2-3 34349 NULL -+crypto_ablkcipher_ivsize_34363 crypto_ablkcipher_ivsize 0 34363 NULL -+rngapi_reset_34366 rngapi_reset 3 34366 NULL nohasharray -+p54_alloc_skb_34366 p54_alloc_skb 3 34366 &rngapi_reset_34366 -+i2c_hid_get_raw_report_34376 i2c_hid_get_raw_report 0 34376 NULL -+reiserfs_resize_34377 reiserfs_resize 2 34377 NULL -+ea_read_34378 ea_read 0 34378 NULL -+fuse_send_read_34379 fuse_send_read 4 34379 NULL -+av7110_vbi_write_34384 av7110_vbi_write 3 34384 NULL -+usbvision_v4l2_read_34386 usbvision_v4l2_read 3 34386 NULL -+read_rbu_image_type_34387 read_rbu_image_type 6 34387 NULL -+iwl_calib_set_34400 iwl_calib_set 3 34400 NULL nohasharray -+ivtv_read_pos_34400 ivtv_read_pos 3 34400 &iwl_calib_set_34400 -+wd_exp_mode_write_34407 wd_exp_mode_write 3 34407 NULL -+nl80211_send_disassoc_34424 nl80211_send_disassoc 4 34424 NULL -+usbtest_alloc_urb_34446 usbtest_alloc_urb 3-5 34446 NULL -+mwifiex_regrdwr_read_34472 mwifiex_regrdwr_read 3 34472 NULL -+skcipher_sndbuf_34476 skcipher_sndbuf 0 34476 NULL -+i2o_parm_field_get_34477 i2o_parm_field_get 5 34477 NULL -+security_inode_permission_34488 security_inode_permission 0 34488 NULL -+tracing_stats_read_34537 tracing_stats_read 3 34537 NULL -+hugetlbfs_read_actor_34547 hugetlbfs_read_actor 0-2-5-4 34547 NULL -+dbBackSplit_34561 dbBackSplit 0 34561 NULL -+alloc_ieee80211_rsl_34564 alloc_ieee80211_rsl 1 34564 NULL -+velocity_rx_copy_34583 velocity_rx_copy 2 34583 NULL -+init_send_hfcd_34586 init_send_hfcd 1 34586 NULL -+inet6_ifla6_size_34591 inet6_ifla6_size 0 34591 NULL -+ceph_msgpool_init_34599 ceph_msgpool_init 4 34599 NULL -+brcmf_cfg80211_mgmt_tx_34608 brcmf_cfg80211_mgmt_tx 7 34608 NULL -+__jffs2_ref_totlen_34609 __jffs2_ref_totlen 0 34609 NULL -+__cfg80211_disconnected_34622 __cfg80211_disconnected 3 34622 NULL -+cnic_alloc_dma_34641 cnic_alloc_dma 3 34641 NULL -+tomoyo_dump_page_34649 tomoyo_dump_page 2 34649 NULL -+nf_nat_mangle_udp_packet_34661 nf_nat_mangle_udp_packet 8-6 34661 NULL -+isr_fiqs_read_34687 isr_fiqs_read 3 34687 NULL -+port_print_34704 port_print 3 34704 NULL -+alloc_irq_and_cfg_at_34706 alloc_irq_and_cfg_at 1 34706 NULL -+ieee80211_if_read_num_sta_ps_34722 ieee80211_if_read_num_sta_ps 3 34722 NULL -+platform_list_read_file_34734 platform_list_read_file 3 34734 NULL -+reg_w_ixbuf_34736 reg_w_ixbuf 4 34736 NULL -+qib_cdev_init_34778 qib_cdev_init 1 34778 NULL -+__copy_in_user_34790 __copy_in_user 3 34790 NULL -+SYSC_keyctl_34800 SYSC_keyctl 4 34800 NULL -+drbd_get_max_capacity_34804 drbd_get_max_capacity 0 34804 NULL -+b43_debugfs_write_34838 b43_debugfs_write 3 34838 NULL -+nl_portid_hash_zalloc_34843 nl_portid_hash_zalloc 1 34843 NULL -+acpi_system_write_wakeup_device_34853 acpi_system_write_wakeup_device 3 34853 NULL -+usb_serial_generic_prepare_write_buffer_34857 usb_serial_generic_prepare_write_buffer 3 34857 NULL -+ieee80211_if_read_txpower_34871 ieee80211_if_read_txpower 3 34871 NULL -+msg_print_text_34889 msg_print_text 0 34889 NULL -+ieee80211_if_write_34894 ieee80211_if_write 3 34894 NULL -+compat_put_uint_34905 compat_put_uint 1 34905 NULL -+si476x_radio_read_rsq_primary_blob_34916 si476x_radio_read_rsq_primary_blob 3 34916 NULL -+__inode_permission_34925 __inode_permission 0 34925 NULL nohasharray -+btrfs_super_chunk_root_34925 btrfs_super_chunk_root 0 34925 &__inode_permission_34925 -+ceph_aio_write_34930 ceph_aio_write 4 34930 NULL -+skb_gro_header_slow_34958 skb_gro_header_slow 2 34958 NULL nohasharray -+i2c_transfer_34958 i2c_transfer 0 34958 &skb_gro_header_slow_34958 -+Realloc_34961 Realloc 2 34961 NULL -+mq_lookup_34990 mq_lookup 2 34990 NULL -+rx_rx_hdr_overflow_read_35002 rx_rx_hdr_overflow_read 3 35002 NULL -+l2cap_skbuff_fromiovec_35003 l2cap_skbuff_fromiovec 4-3 35003 NULL -+dm_cache_insert_mapping_35005 dm_cache_insert_mapping 2-3 35005 NULL -+sisusb_copy_memory_35016 sisusb_copy_memory 4 35016 NULL -+alloc_p2m_page_35025 alloc_p2m_page 0 35025 NULL -+coda_psdev_read_35029 coda_psdev_read 3 35029 NULL -+brcmf_sdio_chip_writenvram_35042 brcmf_sdio_chip_writenvram 4 35042 NULL -+btmrvl_gpiogap_write_35053 btmrvl_gpiogap_write 3 35053 NULL -+pwr_connection_out_of_sync_read_35061 pwr_connection_out_of_sync_read 3 35061 NULL -+store_ifalias_35088 store_ifalias 4 35088 NULL -+__kfifo_uint_must_check_helper_35097 __kfifo_uint_must_check_helper 0-1 35097 NULL -+capi_write_35104 capi_write 3 35104 NULL nohasharray -+tx_tx_done_template_read_35104 tx_tx_done_template_read 3 35104 &capi_write_35104 -+ide_settings_proc_write_35110 ide_settings_proc_write 3 35110 NULL -+pointer_35138 pointer 0 35138 NULL -+gntdev_alloc_map_35145 gntdev_alloc_map 2 35145 NULL -+iscsi_conn_setup_35159 iscsi_conn_setup 2 35159 NULL -+ieee80211_if_read_bssid_35161 ieee80211_if_read_bssid 3 35161 NULL -+solo_v4l2_init_35179 solo_v4l2_init 2 35179 NULL -+mlx4_ib_get_cq_umem_35184 mlx4_ib_get_cq_umem 5-6 35184 NULL -+iwl_nvm_read_chunk_35198 iwl_nvm_read_chunk 0 35198 NULL -+uprobe_get_swbp_addr_35201 uprobe_get_swbp_addr 0 35201 NULL -+unix_stream_recvmsg_35210 unix_stream_recvmsg 4 35210 NULL -+_osd_req_alist_elem_size_35216 _osd_req_alist_elem_size 0-2 35216 NULL -+striped_read_35218 striped_read 0-2-8-3 35218 NULL nohasharray -+security_key_getsecurity_35218 security_key_getsecurity 0 35218 &striped_read_35218 -+rx_rx_cmplt_task_read_35226 rx_rx_cmplt_task_read 3 35226 NULL nohasharray -+video_register_device_no_warn_35226 video_register_device_no_warn 3 35226 &rx_rx_cmplt_task_read_35226 -+gfn_to_page_many_atomic_35234 gfn_to_page_many_atomic 2 35234 NULL -+SYSC_madvise_35241 SYSC_madvise 1 35241 NULL -+set_fd_set_35249 set_fd_set 1 35249 NULL -+ioapic_setup_resources_35255 ioapic_setup_resources 1 35255 NULL -+dis_disc_write_35265 dis_disc_write 3 35265 NULL -+dma_show_regs_35266 dma_show_regs 3 35266 NULL -+irda_recvmsg_stream_35280 irda_recvmsg_stream 4 35280 NULL -+i2o_block_end_request_35282 i2o_block_end_request 3 35282 NULL -+isr_rx_rdys_read_35283 isr_rx_rdys_read 3 35283 NULL -+brcmf_sdio_forensic_read_35311 brcmf_sdio_forensic_read 3 35311 NULL nohasharray -+__btrfs_buffered_write_35311 __btrfs_buffered_write 3 35311 &brcmf_sdio_forensic_read_35311 -+tracing_read_pipe_35312 tracing_read_pipe 3 35312 NULL -+sys_setsockopt_35320 sys_setsockopt 5 35320 NULL -+irq_domain_disassociate_many_35325 irq_domain_disassociate_many 2-3 35325 NULL -+fallback_on_nodma_alloc_35332 fallback_on_nodma_alloc 2 35332 NULL -+pskb_network_may_pull_35336 pskb_network_may_pull 2 35336 NULL -+ieee80211_if_fmt_ap_power_level_35347 ieee80211_if_fmt_ap_power_level 3 35347 NULL -+nouveau_devinit_create__35348 nouveau_devinit_create_ 4 35348 NULL -+hpi_alloc_control_cache_35351 hpi_alloc_control_cache 1 35351 NULL -+compat_filldir64_35354 compat_filldir64 3 35354 NULL -+SyS_getxattr_35408 SyS_getxattr 4 35408 NULL -+rawv6_send_hdrinc_35425 rawv6_send_hdrinc 3 35425 NULL -+__set_test_and_free_35436 __set_test_and_free 2 35436 NULL -+buffer_to_user_35439 buffer_to_user 3 35439 NULL -+i915_wedged_read_35474 i915_wedged_read 3 35474 NULL -+ecryptfs_get_zeroed_pages_35483 ecryptfs_get_zeroed_pages 0 35483 NULL -+do_atm_ioctl_35519 do_atm_ioctl 3 35519 NULL -+async_setkey_35521 async_setkey 3 35521 NULL -+__filemap_fdatawrite_range_35528 __filemap_fdatawrite_range 0 35528 NULL -+iwl_dbgfs_bt_traffic_read_35534 iwl_dbgfs_bt_traffic_read 3 35534 NULL -+rxpipe_tx_xfr_host_int_trig_rx_data_read_35538 rxpipe_tx_xfr_host_int_trig_rx_data_read 3 35538 NULL -+ibnl_put_attr_35541 ibnl_put_attr 3 35541 NULL -+ieee80211_if_write_smps_35550 ieee80211_if_write_smps 3 35550 NULL -+ext2_acl_from_disk_35580 ext2_acl_from_disk 2 35580 NULL -+spk_msg_set_35586 spk_msg_set 3 35586 NULL -+ReadZReg_35604 ReadZReg 0 35604 NULL -+kernel_readv_35617 kernel_readv 3 35617 NULL -+ixgbe_pci_sriov_configure_35624 ixgbe_pci_sriov_configure 2 35624 NULL -+reiserfs_readpages_35629 reiserfs_readpages 4 35629 NULL -+spi_register_board_info_35651 spi_register_board_info 2 35651 NULL -+store_debug_level_35652 store_debug_level 3 35652 NULL -+rdmaltWithLock_35669 rdmaltWithLock 0 35669 NULL -+compat_sys_kexec_load_35674 compat_sys_kexec_load 2 35674 NULL -+dm_table_create_35687 dm_table_create 3 35687 NULL -+SYSC_pwritev_35690 SYSC_pwritev 3 35690 NULL -+rds_page_copy_user_35691 rds_page_copy_user 4 35691 NULL -+pci_enable_sriov_35745 pci_enable_sriov 2 35745 NULL -+iwl_dbgfs_disable_ht40_read_35761 iwl_dbgfs_disable_ht40_read 3 35761 NULL -+udf_alloc_i_data_35786 udf_alloc_i_data 2 35786 NULL -+pvr2_hdw_cpufw_get_35824 pvr2_hdw_cpufw_get 0-4-2 35824 NULL -+tx_tx_cmplt_read_35854 tx_tx_cmplt_read 3 35854 NULL -+mthca_buf_alloc_35861 mthca_buf_alloc 2 35861 NULL -+fls64_35862 fls64 0 35862 NULL -+kvm_dirty_bitmap_bytes_35886 kvm_dirty_bitmap_bytes 0 35886 NULL -+ieee80211_if_fmt_dot11MeshRetryTimeout_35890 ieee80211_if_fmt_dot11MeshRetryTimeout 3 35890 NULL -+uwb_rc_cmd_done_35892 uwb_rc_cmd_done 4 35892 NULL -+SyS_set_mempolicy_35909 SyS_set_mempolicy 3 35909 NULL -+kernel_setsockopt_35913 kernel_setsockopt 5 35913 NULL -+rbio_nr_pages_35916 rbio_nr_pages 0-1-2 35916 NULL -+vol_cdev_compat_ioctl_35923 vol_cdev_compat_ioctl 3 35923 NULL -+sctp_tsnmap_mark_35929 sctp_tsnmap_mark 2 35929 NULL -+rx_defrag_init_called_read_35935 rx_defrag_init_called_read 3 35935 NULL -+put_cmsg_compat_35937 put_cmsg_compat 4 35937 NULL -+ext_rts51x_sd_execute_write_data_35971 ext_rts51x_sd_execute_write_data 9 35971 NULL -+ceph_buffer_new_35974 ceph_buffer_new 1 35974 NULL -+acl_alloc_35979 acl_alloc 1 35979 NULL -+generic_file_aio_read_35987 generic_file_aio_read 0 35987 NULL -+koneplus_sysfs_write_35993 koneplus_sysfs_write 6 35993 NULL -+il3945_ucode_tx_stats_read_36016 il3945_ucode_tx_stats_read 3 36016 NULL -+ubi_eba_write_leb_36029 ubi_eba_write_leb 5-6 36029 NULL -+__videobuf_alloc_36031 __videobuf_alloc 1 36031 NULL -+account_shadowed_36048 account_shadowed 2 36048 NULL -+gpio_power_read_36059 gpio_power_read 3 36059 NULL -+write_emulate_36065 write_emulate 2-4 36065 NULL -+radeon_vm_num_pdes_36070 radeon_vm_num_pdes 0 36070 NULL -+ieee80211_if_fmt_peer_36071 ieee80211_if_fmt_peer 3 36071 NULL -+ext3_new_blocks_36073 ext3_new_blocks 3 36073 NULL -+ieee80211_if_write_tsf_36077 ieee80211_if_write_tsf 3 36077 NULL -+snd_pcm_plug_read_transfer_36080 snd_pcm_plug_read_transfer 0-3 36080 NULL -+vga_arb_write_36112 vga_arb_write 3 36112 NULL -+simple_xattr_alloc_36118 simple_xattr_alloc 2 36118 NULL -+compat_ptrace_request_36131 compat_ptrace_request 3-4 36131 NULL -+vmalloc_exec_36132 vmalloc_exec 1 36132 NULL -+max8925_irq_domain_map_36133 max8925_irq_domain_map 2 36133 NULL -+ext3_readpages_36144 ext3_readpages 4 36144 NULL -+alloc_vm_area_36149 alloc_vm_area 1 36149 NULL -+twl_set_36154 twl_set 2 36154 NULL -+b1_alloc_card_36155 b1_alloc_card 1 36155 NULL -+btrfs_file_extent_inline_len_36158 btrfs_file_extent_inline_len 0 36158 NULL -+snd_korg1212_copy_from_36169 snd_korg1212_copy_from 6 36169 NULL -+SyS_kexec_load_36176 SyS_kexec_load 2 36176 NULL -+SYSC_sched_getaffinity_36208 SYSC_sched_getaffinity 2 36208 NULL -+SYSC_process_vm_readv_36216 SYSC_process_vm_readv 3-5 36216 NULL -+ubifs_read_nnode_36221 ubifs_read_nnode 0 36221 NULL -+is_dirty_36223 is_dirty 2 36223 NULL -+dma_alloc_attrs_36225 dma_alloc_attrs 0 36225 NULL -+nfqnl_mangle_36226 nfqnl_mangle 4-2 36226 NULL -+atomic_stats_read_36228 atomic_stats_read 3 36228 NULL -+viafb_iga1_odev_proc_write_36241 viafb_iga1_odev_proc_write 3 36241 NULL -+SYSC_getxattr_36242 SYSC_getxattr 4 36242 NULL -+rproc_recovery_read_36245 rproc_recovery_read 3 36245 NULL -+scrub_stripe_36248 scrub_stripe 5-4 36248 NULL -+compat_sys_mbind_36256 compat_sys_mbind 5 36256 NULL -+usb_buffer_alloc_36276 usb_buffer_alloc 2 36276 NULL -+codec_reg_read_file_36280 codec_reg_read_file 3 36280 NULL -+crypto_shash_digestsize_36284 crypto_shash_digestsize 0 36284 NULL -+nouveau_cli_create_36293 nouveau_cli_create 3 36293 NULL -+lpfc_debugfs_dif_err_read_36303 lpfc_debugfs_dif_err_read 3 36303 NULL -+ad7879_spi_xfer_36311 ad7879_spi_xfer 3 36311 NULL -+fuse_get_user_addr_36312 fuse_get_user_addr 0 36312 NULL -+fat_compat_ioctl_filldir_36328 fat_compat_ioctl_filldir 3 36328 NULL -+lc_create_36332 lc_create 4 36332 NULL -+jbd2_journal_init_revoke_table_36336 jbd2_journal_init_revoke_table 1 36336 NULL -+isku_sysfs_read_key_mask_36343 isku_sysfs_read_key_mask 6 36343 NULL -+v9fs_file_readn_36353 v9fs_file_readn 4 36353 NULL nohasharray -+xz_dec_lzma2_create_36353 xz_dec_lzma2_create 2 36353 &v9fs_file_readn_36353 -+to_sector_36361 to_sector 0-1 36361 NULL -+tunables_read_36385 tunables_read 3 36385 NULL -+afs_alloc_flat_call_36399 afs_alloc_flat_call 2-3 36399 NULL -+SyS_sethostname_36417 SyS_sethostname 2 36417 NULL -+sctp_tsnmap_init_36446 sctp_tsnmap_init 2 36446 NULL -+alloc_etherdev_mqs_36450 alloc_etherdev_mqs 1 36450 NULL -+tcf_csum_ipv6_udp_36457 tcf_csum_ipv6_udp 3 36457 NULL -+SyS_process_vm_writev_36476 SyS_process_vm_writev 3-5 36476 NULL -+b43_nphy_load_samples_36481 b43_nphy_load_samples 3 36481 NULL -+tx_tx_checksum_result_read_36490 tx_tx_checksum_result_read 3 36490 NULL -+__hwahc_op_set_ptk_36510 __hwahc_op_set_ptk 5 36510 NULL -+mcam_v4l_read_36513 mcam_v4l_read 3 36513 NULL -+get_param_l_36518 get_param_l 0 36518 NULL -+ieee80211_if_read_fwded_frames_36520 ieee80211_if_read_fwded_frames 3 36520 NULL -+lguest_setup_irq_36531 lguest_setup_irq 1 36531 NULL -+crypto_aead_authsize_36537 crypto_aead_authsize 0 36537 NULL -+cpu_type_read_36540 cpu_type_read 3 36540 NULL -+get_entry_len_36549 get_entry_len 0 36549 NULL -+__kfifo_to_user_36555 __kfifo_to_user 3 36555 NULL nohasharray -+macvtap_do_read_36555 macvtap_do_read 4 36555 &__kfifo_to_user_36555 -+btrfs_get_token_64_36572 btrfs_get_token_64 0 36572 NULL -+ssb_bus_scan_36578 ssb_bus_scan 2 36578 NULL -+__erst_read_36579 __erst_read 0 36579 NULL -+put_cmsg_36589 put_cmsg 4 36589 NULL -+pcnet32_realloc_rx_ring_36598 pcnet32_realloc_rx_ring 3 36598 NULL -+fat_ioctl_filldir_36621 fat_ioctl_filldir 3 36621 NULL -+vxge_config_vpaths_36636 vxge_config_vpaths 0 36636 NULL -+format_decode_36638 format_decode 0 36638 NULL -+ced_ioctl_36647 ced_ioctl 2 36647 NULL -+lpfc_idiag_extacc_alloc_get_36648 lpfc_idiag_extacc_alloc_get 0-3 36648 NULL -+perf_calculate_period_36662 perf_calculate_period 3-2 36662 NULL -+osd_req_list_collection_objects_36664 osd_req_list_collection_objects 5 36664 NULL -+iscsi_host_alloc_36671 iscsi_host_alloc 2 36671 NULL -+ptr_to_compat_36680 ptr_to_compat 0 36680 NULL -+ext4_mb_discard_group_preallocations_36685 ext4_mb_discard_group_preallocations 2 36685 NULL -+sched_clock_36717 sched_clock 0 36717 NULL -+extract_icmp6_fields_36732 extract_icmp6_fields 2 36732 NULL -+snd_rawmidi_kernel_read1_36740 snd_rawmidi_kernel_read1 4 36740 NULL -+cxgbi_device_register_36746 cxgbi_device_register 1-2 36746 NULL -+ps_poll_upsd_timeouts_read_36755 ps_poll_upsd_timeouts_read 3 36755 NULL -+ip4ip6_err_36772 ip4ip6_err 5 36772 NULL -+ptp_filter_init_36780 ptp_filter_init 2 36780 NULL -+proc_fault_inject_read_36802 proc_fault_inject_read 3 36802 NULL -+hiddev_ioctl_36816 hiddev_ioctl 2 36816 NULL -+tcf_csum_ipv6_tcp_36822 tcf_csum_ipv6_tcp 3 36822 NULL -+int_hardware_entry_36833 int_hardware_entry 3 36833 NULL -+fc_change_queue_depth_36841 fc_change_queue_depth 2 36841 NULL -+keyctl_describe_key_36853 keyctl_describe_key 3 36853 NULL -+cm_write_36858 cm_write 3 36858 NULL -+tx_tx_data_programmed_read_36871 tx_tx_data_programmed_read 3 36871 NULL -+svc_setsockopt_36876 svc_setsockopt 5 36876 NULL -+raid56_parity_write_36877 raid56_parity_write 5 36877 NULL -+__btrfs_map_block_36883 __btrfs_map_block 3 36883 NULL -+ib_ucm_alloc_data_36885 ib_ucm_alloc_data 3 36885 NULL -+selinux_inode_notifysecctx_36896 selinux_inode_notifysecctx 3 36896 NULL -+OS_kmalloc_36909 OS_kmalloc 1 36909 NULL -+build_key_36931 build_key 1 36931 NULL -+crypto_blkcipher_ivsize_36944 crypto_blkcipher_ivsize 0 36944 NULL -+write_leb_36957 write_leb 5 36957 NULL -+ntfs_external_attr_find_36963 ntfs_external_attr_find 0 36963 NULL -+sparse_early_mem_maps_alloc_node_36971 sparse_early_mem_maps_alloc_node 4 36971 NULL -+drbd_new_dev_size_36998 drbd_new_dev_size 0-3 36998 NULL -+auok190xfb_write_37001 auok190xfb_write 3 37001 NULL -+setxattr_37006 setxattr 4 37006 NULL -+qp_broker_create_37053 qp_broker_create 6-5 37053 NULL nohasharray -+ieee80211_if_read_drop_unencrypted_37053 ieee80211_if_read_drop_unencrypted 3 37053 &qp_broker_create_37053 -+SYSC_setxattr_37078 SYSC_setxattr 4 37078 NULL -+parse_command_37079 parse_command 2 37079 NULL -+pipeline_cs_rx_packet_in_read_37089 pipeline_cs_rx_packet_in_read 3 37089 NULL -+tun_get_user_37094 tun_get_user 5 37094 NULL -+has_wrprotected_page_37123 has_wrprotected_page 2-3 37123 NULL -+snd_hda_get_conn_list_37132 snd_hda_get_conn_list 0 37132 NULL -+msg_word_37164 msg_word 0 37164 NULL -+can_set_xattr_37182 can_set_xattr 4 37182 NULL -+crypto_shash_descsize_37212 crypto_shash_descsize 0 37212 NULL -+regmap_access_read_file_37223 regmap_access_read_file 3 37223 NULL -+__do_replace_37227 __do_replace 5 37227 NULL -+rx_filter_dup_filter_read_37238 rx_filter_dup_filter_read 3 37238 NULL -+prot_queue_del_37258 prot_queue_del 0 37258 NULL -+ath6kl_wmi_set_ie_cmd_37260 ath6kl_wmi_set_ie_cmd 6 37260 NULL -+exofs_max_io_pages_37263 exofs_max_io_pages 0-2 37263 NULL -+nested_svm_map_37268 nested_svm_map 2 37268 NULL -+c101_run_37279 c101_run 2 37279 NULL -+srp_target_alloc_37288 srp_target_alloc 3 37288 NULL -+isku_sysfs_write_talkfx_37298 isku_sysfs_write_talkfx 6 37298 NULL -+ieee80211_if_read_power_mode_37305 ieee80211_if_read_power_mode 3 37305 NULL -+jffs2_write_dirent_37311 jffs2_write_dirent 5 37311 NULL -+send_msg_37323 send_msg 4 37323 NULL -+brcmf_sdbrcm_membytes_37324 brcmf_sdbrcm_membytes 3-5 37324 NULL -+l2cap_create_connless_pdu_37327 l2cap_create_connless_pdu 3 37327 NULL -+scsi_mode_select_37330 scsi_mode_select 6 37330 NULL -+rxrpc_server_sendmsg_37331 rxrpc_server_sendmsg 4 37331 NULL -+security_inode_getsecurity_37354 security_inode_getsecurity 0 37354 NULL -+iommu_num_pages_37391 iommu_num_pages 0-1-3-2 37391 NULL -+sys_getxattr_37418 sys_getxattr 4 37418 NULL -+hci_sock_sendmsg_37420 hci_sock_sendmsg 4 37420 NULL -+acpi_os_allocate_zeroed_37422 acpi_os_allocate_zeroed 1 37422 NULL nohasharray -+find_next_bit_37422 find_next_bit 0-2-3 37422 &acpi_os_allocate_zeroed_37422 -+tty_insert_flip_string_fixed_flag_37428 tty_insert_flip_string_fixed_flag 4 37428 NULL -+iwl_print_last_event_logs_37433 iwl_print_last_event_logs 0-7-9 37433 NULL -+tty_audit_log_37440 tty_audit_log 5 37440 NULL -+tcp_established_options_37450 tcp_established_options 0 37450 NULL -+brcmf_sdio_dump_console_37455 brcmf_sdio_dump_console 4 37455 NULL -+__remove_37457 __remove 2 37457 NULL -+ufs_data_ptr_to_cpu_37475 ufs_data_ptr_to_cpu 0 37475 NULL -+get_est_timing_37484 get_est_timing 0 37484 NULL -+kmem_realloc_37489 kmem_realloc 2 37489 NULL -+kvm_vcpu_compat_ioctl_37500 kvm_vcpu_compat_ioctl 3 37500 NULL -+vmalloc_32_user_37519 vmalloc_32_user 1 37519 NULL -+fault_inject_read_37534 fault_inject_read 3 37534 NULL -+hdr_size_37536 hdr_size 0 37536 NULL -+a2p_37544 a2p 0-1 37544 NULL -+sep_create_dcb_dmatables_context_37551 sep_create_dcb_dmatables_context 6 37551 NULL nohasharray -+nf_nat_mangle_tcp_packet_37551 nf_nat_mangle_tcp_packet 6-8 37551 &sep_create_dcb_dmatables_context_37551 -+xhci_alloc_streams_37586 xhci_alloc_streams 5 37586 NULL -+mlx4_get_mgm_entry_size_37607 mlx4_get_mgm_entry_size 0 37607 NULL -+kvm_read_guest_page_mmu_37611 kvm_read_guest_page_mmu 6-3 37611 NULL -+SYSC_mbind_37622 SYSC_mbind 5 37622 NULL -+btrfs_calc_trans_metadata_size_37629 btrfs_calc_trans_metadata_size 0-2 37629 NULL nohasharray -+policy_residency_37629 policy_residency 0 37629 &btrfs_calc_trans_metadata_size_37629 -+check_pt_base_37635 check_pt_base 3 37635 NULL -+alloc_fd_37637 alloc_fd 1 37637 NULL -+bio_copy_user_iov_37660 bio_copy_user_iov 4 37660 NULL -+rfcomm_sock_sendmsg_37661 rfcomm_sock_sendmsg 4 37661 NULL nohasharray -+vmw_framebuffer_dmabuf_dirty_37661 vmw_framebuffer_dmabuf_dirty 6 37661 &rfcomm_sock_sendmsg_37661 -+SYSC_get_mempolicy_37664 SYSC_get_mempolicy 4-3 37664 NULL -+lnw_gpio_to_irq_37665 lnw_gpio_to_irq 2 37665 NULL -+ieee80211_if_read_rc_rateidx_mcs_mask_2ghz_37675 ieee80211_if_read_rc_rateidx_mcs_mask_2ghz 3 37675 NULL -+regmap_map_read_file_37685 regmap_map_read_file 3 37685 NULL -+nametbl_header_37698 nametbl_header 2 37698 NULL -+__le32_to_cpup_37702 __le32_to_cpup 0 37702 NULL -+dm_thin_remove_block_37724 dm_thin_remove_block 2 37724 NULL -+find_active_uprobe_37733 find_active_uprobe 1 37733 NULL -+read_enabled_file_bool_37744 read_enabled_file_bool 3 37744 NULL -+ocfs2_duplicate_clusters_by_jbd_37749 ocfs2_duplicate_clusters_by_jbd 6-4-5 37749 NULL -+ocfs2_control_cfu_37750 ocfs2_control_cfu 2 37750 NULL -+ipath_cdev_init_37752 ipath_cdev_init 1 37752 NULL -+dccp_setsockopt_cscov_37766 dccp_setsockopt_cscov 2 37766 NULL -+dma_pte_addr_37784 dma_pte_addr 0 37784 NULL -+il4965_rs_sta_dbgfs_rate_scale_data_read_37792 il4965_rs_sta_dbgfs_rate_scale_data_read 3 37792 NULL -+smk_read_logging_37804 smk_read_logging 3 37804 NULL -+deny_write_access_37813 deny_write_access 0 37813 NULL -+rx_decrypt_key_not_found_read_37820 rx_decrypt_key_not_found_read 3 37820 NULL -+bitmap_find_next_zero_area_37827 bitmap_find_next_zero_area 2-3-5-4 37827 NULL -+o2hb_debug_read_37851 o2hb_debug_read 3 37851 NULL -+isku_sysfs_write_last_set_37868 isku_sysfs_write_last_set 6 37868 NULL nohasharray -+xfs_dir2_block_to_sf_37868 xfs_dir2_block_to_sf 3 37868 &isku_sysfs_write_last_set_37868 -+sys_setxattr_37880 sys_setxattr 4 37880 NULL -+dvb_net_sec_37884 dvb_net_sec 3 37884 NULL -+max77686_irq_domain_map_37897 max77686_irq_domain_map 2 37897 NULL -+compat_sys_rt_sigpending_37899 compat_sys_rt_sigpending 2 37899 NULL -+tipc_link_send_sections_fast_37920 tipc_link_send_sections_fast 4 37920 NULL -+pkt_alloc_packet_data_37928 pkt_alloc_packet_data 1 37928 NULL -+read_rbu_packet_size_37939 read_rbu_packet_size 6 37939 NULL -+fifo_alloc_37961 fifo_alloc 1 37961 NULL -+ext3_free_blocks_sb_37967 ext3_free_blocks_sb 3-4 37967 NULL -+rds_rdma_extra_size_37990 rds_rdma_extra_size 0 37990 NULL -+persistent_ram_old_size_37997 persistent_ram_old_size 0 37997 NULL -+vfs_readv_38011 vfs_readv 3 38011 NULL -+aggr_recv_addba_req_evt_38037 aggr_recv_addba_req_evt 4 38037 NULL -+klsi_105_prepare_write_buffer_38044 klsi_105_prepare_write_buffer 3 38044 NULL nohasharray -+il_dbgfs_chain_noise_read_38044 il_dbgfs_chain_noise_read 3 38044 &klsi_105_prepare_write_buffer_38044 -+SyS_llistxattr_38048 SyS_llistxattr 3 38048 NULL -+_xfs_buf_alloc_38058 _xfs_buf_alloc 3 38058 NULL nohasharray -+is_discarded_38058 is_discarded 2 38058 &_xfs_buf_alloc_38058 -+nsm_create_handle_38060 nsm_create_handle 4 38060 NULL -+alloc_ltalkdev_38071 alloc_ltalkdev 1 38071 NULL -+xfs_buf_readahead_map_38081 xfs_buf_readahead_map 3 38081 NULL -+uwb_mac_addr_print_38085 uwb_mac_addr_print 2 38085 NULL -+tcf_csum_ipv4_udp_38089 tcf_csum_ipv4_udp 3 38089 NULL -+request_key_auth_new_38092 request_key_auth_new 3 38092 NULL -+proc_self_readlink_38094 proc_self_readlink 3 38094 NULL -+ep0_read_38095 ep0_read 3 38095 NULL -+sk_wmem_schedule_38096 sk_wmem_schedule 2 38096 NULL -+rbd_obj_read_sync_38098 rbd_obj_read_sync 3-4 38098 NULL -+snd_pcm_oss_write_38108 snd_pcm_oss_write 3 38108 NULL -+vmw_kms_present_38130 vmw_kms_present 9 38130 NULL -+__ntfs_copy_from_user_iovec_inatomic_38153 __ntfs_copy_from_user_iovec_inatomic 3-4 38153 NULL -+kvm_clear_guest_38164 kvm_clear_guest 3-2 38164 NULL -+cdev_add_38176 cdev_add 2-3 38176 NULL -+brcmf_sdcard_recv_buf_38179 brcmf_sdcard_recv_buf 6 38179 NULL -+rt2x00debug_write_rf_38195 rt2x00debug_write_rf 3 38195 NULL -+get_ucode_user_38202 get_ucode_user 3 38202 NULL -+ext3_new_block_38208 ext3_new_block 3 38208 NULL -+stmpe_gpio_irq_map_38222 stmpe_gpio_irq_map 3 38222 NULL -+osd_req_list_partition_collections_38223 osd_req_list_partition_collections 5 38223 NULL -+palmas_gpio_to_irq_38235 palmas_gpio_to_irq 2 38235 NULL -+vhost_net_compat_ioctl_38237 vhost_net_compat_ioctl 3 38237 NULL -+_ipw_read_reg32_38245 _ipw_read_reg32 0 38245 NULL -+from_dblock_38256 from_dblock 0-1 38256 NULL -+vmci_qp_broker_set_page_store_38260 vmci_qp_broker_set_page_store 2-3 38260 NULL -+ieee80211_if_read_auto_open_plinks_38268 ieee80211_if_read_auto_open_plinks 3 38268 NULL nohasharray -+SYSC_msgrcv_38268 SYSC_msgrcv 3 38268 &ieee80211_if_read_auto_open_plinks_38268 nohasharray -+mthca_alloc_icm_table_38268 mthca_alloc_icm_table 4-3 38268 &SYSC_msgrcv_38268 -+xfs_bmbt_to_bmdr_38275 xfs_bmbt_to_bmdr 3 38275 NULL nohasharray -+xfs_bmdr_to_bmbt_38275 xfs_bmdr_to_bmbt 5 38275 &xfs_bmbt_to_bmdr_38275 -+ftdi_process_packet_38281 ftdi_process_packet 4 38281 NULL nohasharray -+swiotlb_sync_single_for_cpu_38281 swiotlb_sync_single_for_cpu 2 38281 &ftdi_process_packet_38281 -+gpa_to_gfn_38291 gpa_to_gfn 0-1 38291 NULL -+zd_mac_rx_38296 zd_mac_rx 3 38296 NULL -+isr_rx_headers_read_38325 isr_rx_headers_read 3 38325 NULL -+ida_simple_get_38326 ida_simple_get 2 38326 NULL -+__snd_gf1_look8_38333 __snd_gf1_look8 0 38333 NULL -+pyra_sysfs_write_38370 pyra_sysfs_write 6 38370 NULL -+dn_sendmsg_38390 dn_sendmsg 4 38390 NULL -+get_valid_node_allowed_38412 get_valid_node_allowed 1-0 38412 NULL -+ocfs2_which_cluster_group_38413 ocfs2_which_cluster_group 2 38413 NULL -+ht_destroy_irq_38418 ht_destroy_irq 1 38418 NULL -+ieee80211_if_read_dtim_count_38419 ieee80211_if_read_dtim_count 3 38419 NULL -+asix_write_cmd_async_38420 asix_write_cmd_async 5 38420 NULL -+pcnet32_realloc_tx_ring_38428 pcnet32_realloc_tx_ring 3 38428 NULL -+pmcraid_copy_sglist_38431 pmcraid_copy_sglist 3 38431 NULL -+kvm_write_guest_38454 kvm_write_guest 4-2 38454 NULL -+i915_min_freq_read_38470 i915_min_freq_read 3 38470 NULL -+kvm_arch_setup_async_pf_38481 kvm_arch_setup_async_pf 3 38481 NULL -+blk_end_bidi_request_38482 blk_end_bidi_request 3-4 38482 NULL -+cpu_to_mem_38501 cpu_to_mem 0 38501 NULL -+dev_names_read_38509 dev_names_read 3 38509 NULL -+iscsi_create_iface_38510 iscsi_create_iface 5 38510 NULL -+event_rx_mismatch_read_38518 event_rx_mismatch_read 3 38518 NULL -+set_queue_count_38519 set_queue_count 0 38519 NULL -+mlx4_ib_db_map_user_38529 mlx4_ib_db_map_user 2 38529 NULL -+ubifs_idx_node_sz_38546 ubifs_idx_node_sz 0-2 38546 NULL -+btrfs_discard_extent_38547 btrfs_discard_extent 2 38547 NULL -+cpu_to_node_38561 cpu_to_node 0 38561 NULL -+irda_sendmsg_dgram_38563 irda_sendmsg_dgram 4 38563 NULL -+il4965_rs_sta_dbgfs_scale_table_read_38564 il4965_rs_sta_dbgfs_scale_table_read 3 38564 NULL -+_ipw_read32_38565 _ipw_read32 0 38565 NULL -+snd_nm256_playback_copy_38567 snd_nm256_playback_copy 5-3 38567 NULL -+copy_ctl_value_to_user_38587 copy_ctl_value_to_user 4 38587 NULL -+cosa_net_setup_rx_38594 cosa_net_setup_rx 2 38594 NULL -+compat_sys_ptrace_38595 compat_sys_ptrace 3-4 38595 NULL -+icn_writecmd_38629 icn_writecmd 2 38629 NULL -+ext2_readpages_38640 ext2_readpages 4 38640 NULL -+cma_create_area_38642 cma_create_area 2 38642 NULL -+audit_init_entry_38644 audit_init_entry 1 38644 NULL -+qp_broker_alloc_38646 qp_broker_alloc 5-6 38646 NULL -+mmc_send_cxd_data_38655 mmc_send_cxd_data 5 38655 NULL -+nouveau_instmem_create__38664 nouveau_instmem_create_ 4 38664 NULL -+skb_tnl_header_len_38669 skb_tnl_header_len 0 38669 NULL -+cfg80211_send_disassoc_38678 cfg80211_send_disassoc 3 38678 NULL -+iscsit_dump_data_payload_38683 iscsit_dump_data_payload 2 38683 NULL -+ext4_wait_block_bitmap_38695 ext4_wait_block_bitmap 2 38695 NULL -+rbio_add_io_page_38700 rbio_add_io_page 6 38700 NULL -+find_next_usable_block_38716 find_next_usable_block 1-3 38716 NULL -+alloc_trace_probe_38720 alloc_trace_probe 6 38720 NULL -+phys_to_virt_38757 phys_to_virt 0-1 38757 NULL -+udf_readpages_38761 udf_readpages 4 38761 NULL -+iwl_dbgfs_thermal_throttling_read_38779 iwl_dbgfs_thermal_throttling_read 3 38779 NULL -+snd_gus_dram_write_38784 snd_gus_dram_write 4 38784 NULL -+err_decode_38804 err_decode 2 38804 NULL -+ipv6_renew_option_38813 ipv6_renew_option 3 38813 NULL -+sys_select_38827 sys_select 1 38827 NULL -+b43_txhdr_size_38832 b43_txhdr_size 0 38832 NULL -+direct_entry_38836 direct_entry 3 38836 NULL -+compat_udp_setsockopt_38840 compat_udp_setsockopt 5 38840 NULL -+interfaces_38859 interfaces 2 38859 NULL -+pci_msix_table_size_38867 pci_msix_table_size 0 38867 NULL -+sizeof_gpio_leds_priv_38882 sizeof_gpio_leds_priv 0-1 38882 NULL -+dbgfs_state_38894 dbgfs_state 3 38894 NULL -+f2fs_xattr_set_acl_38895 f2fs_xattr_set_acl 4 38895 NULL -+process_bulk_data_command_38906 process_bulk_data_command 4 38906 NULL -+ext3_trim_all_free_38929 ext3_trim_all_free 3-4-2 38929 NULL -+sbp_count_se_tpg_luns_38943 sbp_count_se_tpg_luns 0 38943 NULL -+__ath6kl_wmi_send_mgmt_cmd_38971 __ath6kl_wmi_send_mgmt_cmd 7 38971 NULL -+C_SYSC_preadv64_38977 C_SYSC_preadv64 3 38977 NULL nohasharray -+usb_maxpacket_38977 usb_maxpacket 0 38977 &C_SYSC_preadv64_38977 -+OSDSetBlock_38986 OSDSetBlock 4-2 38986 NULL -+udf_new_block_38999 udf_new_block 4 38999 NULL -+get_nodes_39012 get_nodes 3 39012 NULL -+twl6030_interrupt_unmask_39013 twl6030_interrupt_unmask 2 39013 NULL -+acpi_install_gpe_block_39031 acpi_install_gpe_block 4 39031 NULL -+_zd_iowrite32v_async_locked_39034 _zd_iowrite32v_async_locked 3 39034 NULL -+line6_midibuf_read_39067 line6_midibuf_read 0-3 39067 NULL -+ext4_init_block_bitmap_39071 ext4_init_block_bitmap 3 39071 NULL -+tomoyo_truncate_39105 tomoyo_truncate 0 39105 NULL -+__kfifo_to_user_r_39123 __kfifo_to_user_r 3 39123 NULL -+ea_foreach_39133 ea_foreach 0 39133 NULL -+generic_permission_39150 generic_permission 0 39150 NULL -+alloc_ring_39151 alloc_ring 2-4 39151 NULL -+proc_coredump_filter_read_39153 proc_coredump_filter_read 3 39153 NULL -+create_bounce_buffer_39155 create_bounce_buffer 3 39155 NULL -+ext3_xattr_check_names_39174 ext3_xattr_check_names 0 39174 NULL -+init_list_set_39188 init_list_set 2-3 39188 NULL -+ubi_more_update_data_39189 ubi_more_update_data 4 39189 NULL -+qcam_read_bytes_39205 qcam_read_bytes 0 39205 NULL -+qla4_82xx_pci_mem_read_direct_39208 qla4_82xx_pci_mem_read_direct 2 39208 NULL -+vfio_group_fops_compat_ioctl_39219 vfio_group_fops_compat_ioctl 3 39219 NULL -+ivtv_v4l2_write_39226 ivtv_v4l2_write 3 39226 NULL -+batadv_tt_response_fill_table_39236 batadv_tt_response_fill_table 1 39236 NULL -+posix_acl_to_xattr_39237 posix_acl_to_xattr 0 39237 NULL -+drm_order_39244 drm_order 0 39244 NULL -+r128_compat_ioctl_39250 r128_compat_ioctl 2 39250 NULL nohasharray -+pwr_cont_miss_bcns_spread_read_39250 pwr_cont_miss_bcns_spread_read 3 39250 &r128_compat_ioctl_39250 -+__skb_cow_39254 __skb_cow 2 39254 NULL -+ath6kl_wmi_set_appie_cmd_39266 ath6kl_wmi_set_appie_cmd 5 39266 NULL -+rx_filter_protection_filter_read_39282 rx_filter_protection_filter_read 3 39282 NULL -+__vmalloc_node_39308 __vmalloc_node 1 39308 NULL -+__cfg80211_connect_result_39326 __cfg80211_connect_result 4-6 39326 NULL -+wimax_msg_alloc_39343 wimax_msg_alloc 4 39343 NULL -+__cfg80211_send_deauth_39344 __cfg80211_send_deauth 3 39344 NULL -+__copy_from_user_nocache_39351 __copy_from_user_nocache 3 39351 NULL -+ide_complete_rq_39354 ide_complete_rq 3 39354 NULL -+do_write_log_from_user_39362 do_write_log_from_user 3 39362 NULL -+vortex_wtdma_getlinearpos_39371 vortex_wtdma_getlinearpos 0 39371 NULL -+regmap_name_read_file_39379 regmap_name_read_file 3 39379 NULL -+fnic_trace_debugfs_read_39380 fnic_trace_debugfs_read 3 39380 NULL -+ps_poll_ps_poll_utilization_read_39383 ps_poll_ps_poll_utilization_read 3 39383 NULL -+__send_to_port_39386 __send_to_port 3 39386 NULL -+user_power_read_39414 user_power_read 3 39414 NULL -+alloc_agpphysmem_i8xx_39427 alloc_agpphysmem_i8xx 1 39427 NULL -+sys_semop_39457 sys_semop 3 39457 NULL -+ptrace_peek_siginfo_39458 ptrace_peek_siginfo 3 39458 NULL -+setkey_unaligned_39474 setkey_unaligned 3 39474 NULL -+do_get_mempolicy_39485 do_get_mempolicy 3 39485 NULL -+ieee80211_if_fmt_dot11MeshHWMPmaxPREQretries_39499 ieee80211_if_fmt_dot11MeshHWMPmaxPREQretries 3 39499 NULL -+atomic64_read_unchecked_39505 atomic64_read_unchecked 0 39505 NULL -+int_proc_write_39542 int_proc_write 3 39542 NULL -+pp_write_39554 pp_write 3 39554 NULL -+ol_dqblk_block_39558 ol_dqblk_block 0-3-2 39558 NULL -+datablob_format_39571 datablob_format 2 39571 NULL nohasharray -+ieee80211_if_read_fwded_mcast_39571 ieee80211_if_read_fwded_mcast 3 39571 &datablob_format_39571 -+handle_response_icmp_39574 handle_response_icmp 7 39574 NULL -+mtdchar_compat_ioctl_39602 mtdchar_compat_ioctl 3 39602 NULL -+n_tty_compat_ioctl_helper_39605 n_tty_compat_ioctl_helper 4 39605 NULL -+ext_depth_39607 ext_depth 0 39607 NULL -+nfs_idmap_get_key_39616 nfs_idmap_get_key 2 39616 NULL -+sdio_readb_39618 sdio_readb 0 39618 NULL -+set_dev_class_39645 set_dev_class 4 39645 NULL nohasharray -+dm_exception_table_init_39645 dm_exception_table_init 2 39645 &set_dev_class_39645 -+snd_rme32_capture_copy_39653 snd_rme32_capture_copy 5 39653 NULL -+tcp_try_rmem_schedule_39657 tcp_try_rmem_schedule 3 39657 NULL nohasharray -+prism2_info_hostscanresults_39657 prism2_info_hostscanresults 3 39657 &tcp_try_rmem_schedule_39657 -+kvm_read_guest_cached_39666 kvm_read_guest_cached 4 39666 NULL -+v4l_stk_read_39672 v4l_stk_read 3 39672 NULL -+hsc_msg_len_get_39673 hsc_msg_len_get 0 39673 NULL -+do_surface_dirty_sou_39678 do_surface_dirty_sou 7 39678 NULL -+ftrace_pid_write_39710 ftrace_pid_write 3 39710 NULL -+tcf_csum_ipv4_tcp_39713 tcf_csum_ipv4_tcp 4 39713 NULL -+remap_to_origin_clear_discard_39767 remap_to_origin_clear_discard 3 39767 NULL -+ocfs2_pages_per_cluster_39790 ocfs2_pages_per_cluster 0 39790 NULL -+crypto_ablkcipher_blocksize_39811 crypto_ablkcipher_blocksize 0 39811 NULL -+security_inode_listsecurity_39812 security_inode_listsecurity 0 39812 NULL -+snd_pcm_oss_writev3_39818 snd_pcm_oss_writev3 3 39818 NULL -+sys_migrate_pages_39825 sys_migrate_pages 2 39825 NULL -+get_priv_size_39828 get_priv_size 0-1 39828 NULL -+pkt_add_39897 pkt_add 3 39897 NULL -+read_file_modal_eeprom_39909 read_file_modal_eeprom 3 39909 NULL -+gen_pool_add_virt_39913 gen_pool_add_virt 4 39913 NULL -+dw210x_op_rw_39915 dw210x_op_rw 6 39915 NULL -+aes_encrypt_interrupt_read_39919 aes_encrypt_interrupt_read 3 39919 NULL -+exofs_read_kern_39921 exofs_read_kern 6 39921 NULL nohasharray -+oom_score_adj_read_39921 oom_score_adj_read 3 39921 &exofs_read_kern_39921 -+__spi_async_39932 __spi_async 0 39932 NULL -+__get_order_39935 __get_order 0 39935 NULL -+error_error_frame_read_39947 error_error_frame_read 3 39947 NULL nohasharray -+fwnet_pd_new_39947 fwnet_pd_new 4 39947 &error_error_frame_read_39947 -+tty_prepare_flip_string_39955 tty_prepare_flip_string 3 39955 NULL -+dma_push_rx_39973 dma_push_rx 2 39973 NULL -+vfio_pci_read_39975 vfio_pci_read 3 39975 NULL -+broadsheetfb_write_39976 broadsheetfb_write 3 39976 NULL -+mthca_array_init_39987 mthca_array_init 2 39987 NULL -+xen_hvm_config_40018 xen_hvm_config 2 40018 NULL -+nf_nat_icmpv6_reply_translation_40023 nf_nat_icmpv6_reply_translation 5 40023 NULL nohasharray -+ivtvfb_write_40023 ivtvfb_write 3 40023 &nf_nat_icmpv6_reply_translation_40023 -+disc_pwup_write_40027 disc_pwup_write 3 40027 NULL -+ea_foreach_i_40028 ea_foreach_i 0 40028 NULL -+datablob_hmac_append_40038 datablob_hmac_append 3 40038 NULL -+regmap_add_irq_chip_40042 regmap_add_irq_chip 4 40042 NULL -+add_tty_40055 add_tty 1 40055 NULL nohasharray -+l2cap_create_iframe_pdu_40055 l2cap_create_iframe_pdu 3 40055 &add_tty_40055 -+atomic_xchg_40070 atomic_xchg 0 40070 NULL -+gen_pool_first_fit_40110 gen_pool_first_fit 2-3-4 40110 NULL -+sctp_setsockopt_delayed_ack_40129 sctp_setsockopt_delayed_ack 3 40129 NULL -+dwc2_max_desc_num_40132 dwc2_max_desc_num 0 40132 NULL -+rx_rx_frame_checksum_read_40140 rx_rx_frame_checksum_read 3 40140 NULL -+iwch_alloc_fastreg_pbl_40153 iwch_alloc_fastreg_pbl 2 40153 NULL -+pt_write_40159 pt_write 3 40159 NULL -+scsi_sg_count_40182 scsi_sg_count 0 40182 NULL -+ipr_alloc_ucode_buffer_40199 ipr_alloc_ucode_buffer 1 40199 NULL nohasharray -+devnode_find_40199 devnode_find 3-2 40199 &ipr_alloc_ucode_buffer_40199 -+allocate_probes_40204 allocate_probes 1 40204 NULL -+compat_put_long_40214 compat_put_long 1 40214 NULL -+au0828_v4l2_read_40220 au0828_v4l2_read 3 40220 NULL -+osst_read_40237 osst_read 3 40237 NULL -+lpage_info_slot_40243 lpage_info_slot 1-3 40243 NULL -+ocfs2_zero_extend_get_range_40248 ocfs2_zero_extend_get_range 4 40248 NULL -+of_get_child_count_40254 of_get_child_count 0 40254 NULL -+rs_sta_dbgfs_scale_table_read_40262 rs_sta_dbgfs_scale_table_read 3 40262 NULL -+usbnet_read_cmd_40275 usbnet_read_cmd 7 40275 NULL -+rx_xfr_hint_trig_read_40283 rx_xfr_hint_trig_read 3 40283 NULL -+_calc_trunk_info_40291 _calc_trunk_info 2 40291 NULL -+crash_free_reserved_phys_range_40292 crash_free_reserved_phys_range 1 40292 NULL -+ubi_io_write_data_40305 ubi_io_write_data 4-5 40305 NULL -+batadv_tt_changes_fill_buff_40323 batadv_tt_changes_fill_buff 4 40323 NULL -+ib_get_mad_data_offset_40336 ib_get_mad_data_offset 0 40336 NULL -+mmio_read_40348 mmio_read 4 40348 NULL -+usb_dump_interface_40353 usb_dump_interface 0 40353 NULL -+ocfs2_release_clusters_40355 ocfs2_release_clusters 4 40355 NULL -+event_rx_mem_empty_read_40363 event_rx_mem_empty_read 3 40363 NULL -+ocfs2_check_range_for_refcount_40365 ocfs2_check_range_for_refcount 2-3 40365 NULL -+fwnet_incoming_packet_40380 fwnet_incoming_packet 3 40380 NULL -+brcmf_sdbrcm_get_image_40397 brcmf_sdbrcm_get_image 0-2 40397 NULL -+atmel_rmem16_40450 atmel_rmem16 0 40450 NULL -+tomoyo_update_policy_40458 tomoyo_update_policy 2 40458 NULL -+zd_usb_scnprint_id_40459 zd_usb_scnprint_id 0-3 40459 NULL -+batadv_hash_new_40491 batadv_hash_new 1 40491 NULL -+devcgroup_inode_permission_40492 devcgroup_inode_permission 0 40492 NULL -+tty_write_room_40495 tty_write_room 0 40495 NULL -+persistent_ram_new_40501 persistent_ram_new 1-2 40501 NULL -+sg_phys_40507 sg_phys 0 40507 NULL -+TSS_checkhmac2_40520 TSS_checkhmac2 5-7 40520 NULL -+ixgbe_dbg_reg_ops_read_40540 ixgbe_dbg_reg_ops_read 3 40540 NULL -+ima_write_policy_40548 ima_write_policy 3 40548 NULL -+esp_alloc_tmp_40558 esp_alloc_tmp 3-2 40558 NULL -+ufs_inode_getfrag_40560 ufs_inode_getfrag 2-4 40560 NULL -+bdev_sectors_40564 bdev_sectors 0 40564 NULL -+lba_to_map_index_40580 lba_to_map_index 0-1 40580 NULL -+skge_rx_get_40598 skge_rx_get 3 40598 NULL -+get_priv_descr_and_size_40612 get_priv_descr_and_size 0 40612 NULL -+bl_mark_sectors_init_40613 bl_mark_sectors_init 2-3 40613 NULL -+cpuset_sprintf_cpulist_40627 cpuset_sprintf_cpulist 0 40627 NULL -+twl4030_kpwrite_u8_40665 twl4030_kpwrite_u8 3 40665 NULL -+__cfg80211_roamed_40668 __cfg80211_roamed 4-6 40668 NULL -+pipeline_rx_complete_stat_fifo_int_read_40671 pipeline_rx_complete_stat_fifo_int_read 3 40671 NULL -+fops_read_40672 fops_read 3 40672 NULL -+alloc_rbio_40676 alloc_rbio 4 40676 NULL -+videobuf_dma_init_user_locked_40678 videobuf_dma_init_user_locked 3 40678 NULL -+nfc_hci_set_param_40697 nfc_hci_set_param 5 40697 NULL -+vfio_pci_config_rw_40698 vfio_pci_config_rw 3 40698 NULL -+__seq_open_private_40715 __seq_open_private 3 40715 NULL -+fuse_readpages_40737 fuse_readpages 4 40737 NULL -+xfs_iext_remove_direct_40744 xfs_iext_remove_direct 3 40744 NULL nohasharray -+find_next_zero_bit_le_40744 find_next_zero_bit_le 0-2-3 40744 &xfs_iext_remove_direct_40744 -+security_inode_listxattr_40752 security_inode_listxattr 0 40752 NULL -+fat_generic_compat_ioctl_40755 fat_generic_compat_ioctl 3 40755 NULL -+card_send_command_40757 card_send_command 3 40757 NULL -+ad1889_readl_40765 ad1889_readl 0 40765 NULL -+pg_write_40766 pg_write 3 40766 NULL -+show_list_40775 show_list 3 40775 NULL -+calcu_metadata_size_40782 calcu_metadata_size 0 40782 NULL -+kfifo_out_copy_r_40784 kfifo_out_copy_r 0-3 40784 NULL -+bitmap_weight_40791 bitmap_weight 0-2 40791 NULL -+pyra_sysfs_read_40795 pyra_sysfs_read 6 40795 NULL -+netdev_alloc_skb_ip_align_40811 netdev_alloc_skb_ip_align 2 40811 NULL -+nl80211_send_roamed_40825 nl80211_send_roamed 5-7 40825 NULL -+SyS_mbind_40828 SyS_mbind 5 40828 NULL -+__mlx4_qp_reserve_range_40847 __mlx4_qp_reserve_range 2-3 40847 NULL -+isku_sysfs_write_keys_thumbster_40851 isku_sysfs_write_keys_thumbster 6 40851 NULL -+ocfs2_zero_partial_clusters_40856 ocfs2_zero_partial_clusters 2-3 40856 NULL -+v9fs_file_read_40858 v9fs_file_read 3 40858 NULL -+read_file_queue_40895 read_file_queue 3 40895 NULL -+waiters_read_40902 waiters_read 3 40902 NULL -+isdn_add_channels_40905 isdn_add_channels 3 40905 NULL -+gfs2_ea_find_40913 gfs2_ea_find 0 40913 NULL -+vol_cdev_write_40915 vol_cdev_write 3 40915 NULL -+snd_vx_create_40948 snd_vx_create 4 40948 NULL -+skb_end_offset_40949 skb_end_offset 0 40949 NULL -+wm8994_free_irq_40951 wm8994_free_irq 2 40951 NULL -+rds_sendmsg_40976 rds_sendmsg 4 40976 NULL -+il_dbgfs_fh_reg_read_40993 il_dbgfs_fh_reg_read 3 40993 NULL -+mac80211_format_buffer_41010 mac80211_format_buffer 2 41010 NULL -+mtd_block_isbad_41015 mtd_block_isbad 0 41015 NULL -+_req_append_segment_41031 _req_append_segment 2 41031 NULL -+mISDN_sock_sendmsg_41035 mISDN_sock_sendmsg 4 41035 NULL -+ocfs2_xattr_index_block_find_41040 ocfs2_xattr_index_block_find 0 41040 NULL -+vfs_listxattr_41062 vfs_listxattr 0 41062 NULL -+cfg80211_inform_bss_frame_41078 cfg80211_inform_bss_frame 4 41078 NULL -+roccat_read_41093 roccat_read 3 41093 NULL nohasharray -+nvme_map_user_pages_41093 nvme_map_user_pages 3-4 41093 &roccat_read_41093 -+dma_attach_41094 dma_attach 5-6 41094 NULL -+provide_user_output_41105 provide_user_output 3 41105 NULL -+f_audio_buffer_alloc_41110 f_audio_buffer_alloc 1 41110 NULL -+v4l2_ctrl_new_int_menu_41151 v4l2_ctrl_new_int_menu 4 41151 NULL -+tx_frag_mpdu_alloc_failed_read_41167 tx_frag_mpdu_alloc_failed_read 3 41167 NULL -+dvb_ca_write_41171 dvb_ca_write 3 41171 NULL -+ol_quota_chunk_block_41177 ol_quota_chunk_block 0-2 41177 NULL -+netif_get_num_default_rss_queues_41187 netif_get_num_default_rss_queues 0 41187 NULL -+compat_sys_process_vm_writev_41194 compat_sys_process_vm_writev 3-5 41194 NULL -+dfs_file_write_41196 dfs_file_write 3 41196 NULL -+xfs_readdir_41200 xfs_readdir 3 41200 NULL -+ocfs2_read_quota_block_41207 ocfs2_read_quota_block 2 41207 NULL -+nfs_page_array_len_41219 nfs_page_array_len 0-2-1 41219 NULL -+hiddev_compat_ioctl_41255 hiddev_compat_ioctl 2-3 41255 NULL -+erst_read_41260 erst_read 0 41260 NULL -+__fprog_create_41263 __fprog_create 2 41263 NULL -+setup_cluster_bitmap_41270 setup_cluster_bitmap 4 41270 NULL -+alloc_context_41283 alloc_context 1 41283 NULL -+arch_gnttab_map_shared_41306 arch_gnttab_map_shared 3 41306 NULL -+objio_alloc_io_state_41316 objio_alloc_io_state 6 41316 NULL -+twl_change_queue_depth_41342 twl_change_queue_depth 2 41342 NULL -+cnic_init_id_tbl_41354 cnic_init_id_tbl 2 41354 NULL -+jbd2_alloc_41359 jbd2_alloc 1 41359 NULL -+kmp_init_41373 kmp_init 2 41373 NULL -+isr_commands_read_41398 isr_commands_read 3 41398 NULL -+is_writethrough_io_41406 is_writethrough_io 3 41406 NULL -+sys_flistxattr_41407 sys_flistxattr 3 41407 NULL -+rx_defrag_decrypt_failed_read_41411 rx_defrag_decrypt_failed_read 3 41411 NULL -+xfs_iext_add_41422 xfs_iext_add 3 41422 NULL -+vsock_dev_compat_ioctl_41427 vsock_dev_compat_ioctl 3 41427 NULL -+isdn_ppp_fill_rq_41428 isdn_ppp_fill_rq 2 41428 NULL -+lbs_rdrf_read_41431 lbs_rdrf_read 3 41431 NULL -+iio_device_alloc_41440 iio_device_alloc 1 41440 NULL -+ntfs_file_buffered_write_41442 ntfs_file_buffered_write 4-6 41442 NULL -+pcpu_build_alloc_info_41443 pcpu_build_alloc_info 1-2-3 41443 NULL -+layout_leb_in_gaps_41470 layout_leb_in_gaps 0 41470 NULL -+rt2x00debug_write_rfcsr_41473 rt2x00debug_write_rfcsr 3 41473 NULL -+wep_interrupt_read_41492 wep_interrupt_read 3 41492 NULL -+SyS_get_mempolicy_41495 SyS_get_mempolicy 3-4 41495 NULL -+hpfs_translate_name_41497 hpfs_translate_name 3 41497 NULL -+xfrm_hash_new_size_41505 xfrm_hash_new_size 0-1 41505 NULL -+ldisc_receive_41516 ldisc_receive 4 41516 NULL -+tx_tx_frame_checksum_read_41553 tx_tx_frame_checksum_read 3 41553 NULL -+ath6kl_endpoint_stats_read_41554 ath6kl_endpoint_stats_read 3 41554 NULL -+nr_status_frames_41559 nr_status_frames 0-1 41559 NULL -+batadv_receive_client_update_packet_41578 batadv_receive_client_update_packet 3 41578 NULL -+rng_dev_read_41581 rng_dev_read 3 41581 NULL -+read_file_rx_chainmask_41605 read_file_rx_chainmask 3 41605 NULL -+vga_io_r_41609 vga_io_r 0 41609 NULL -+tcp_hdrlen_41610 tcp_hdrlen 0 41610 NULL -+usb_endpoint_maxp_41613 usb_endpoint_maxp 0 41613 NULL -+a2mp_send_41615 a2mp_send 4 41615 NULL -+btrfs_calc_trunc_metadata_size_41626 btrfs_calc_trunc_metadata_size 0-2 41626 NULL -+mempool_create_kmalloc_pool_41650 mempool_create_kmalloc_pool 1 41650 NULL -+rx_rx_pre_complt_read_41653 rx_rx_pre_complt_read 3 41653 NULL -+get_std_timing_41654 get_std_timing 0 41654 NULL -+squashfs_cache_init_41656 squashfs_cache_init 2 41656 NULL -+ieee80211_if_fmt_bssid_41677 ieee80211_if_fmt_bssid 3 41677 NULL -+params_period_bytes_41683 params_period_bytes 0 41683 NULL -+aac_src_ioremap_41688 aac_src_ioremap 2 41688 NULL -+bdx_tx_db_init_41719 bdx_tx_db_init 2 41719 NULL -+sys_pwritev_41722 sys_pwritev 3 41722 NULL -+get_bios_ebda_41730 get_bios_ebda 0 41730 NULL -+fillonedir_41746 fillonedir 3 41746 NULL -+ocfs2_dx_dir_rebalance_41793 ocfs2_dx_dir_rebalance 7 41793 NULL -+iwl_dbgfs_bt_notif_read_41794 iwl_dbgfs_bt_notif_read 3 41794 NULL -+hsi_alloc_controller_41802 hsi_alloc_controller 1 41802 NULL -+regcache_sync_block_raw_41803 regcache_sync_block_raw 3-4 41803 NULL -+da9052_enable_irq_41814 da9052_enable_irq 2 41814 NULL -+sco_send_frame_41815 sco_send_frame 3 41815 NULL -+lp_gpio_to_irq_41822 lp_gpio_to_irq 2 41822 NULL -+ixgbe_dbg_netdev_ops_read_41839 ixgbe_dbg_netdev_ops_read 3 41839 NULL -+do_ip_setsockopt_41852 do_ip_setsockopt 5 41852 NULL -+keyctl_instantiate_key_41855 keyctl_instantiate_key 3 41855 NULL -+ieee80211_rx_radiotap_space_41870 ieee80211_rx_radiotap_space 0 41870 NULL -+get_packet_41914 get_packet 3 41914 NULL -+get_fdb_entries_41916 get_fdb_entries 3 41916 NULL -+find_ge_pid_41918 find_ge_pid 1 41918 NULL -+build_inv_iotlb_pages_41922 build_inv_iotlb_pages 4-5 41922 NULL -+nfsd_getxattr_41934 nfsd_getxattr 0 41934 NULL -+ext4_da_write_inline_data_begin_41935 ext4_da_write_inline_data_begin 3-4 41935 NULL -+read_gssp_41947 read_gssp 3 41947 NULL -+ocfs2_xattr_bucket_get_name_value_41949 ocfs2_xattr_bucket_get_name_value 0 41949 NULL -+portnames_read_41958 portnames_read 3 41958 NULL -+ubi_self_check_all_ff_41959 ubi_self_check_all_ff 4 41959 NULL -+dst_mtu_41969 dst_mtu 0 41969 NULL -+cx24116_writeregN_41975 cx24116_writeregN 4 41975 NULL -+ubi_io_is_bad_41983 ubi_io_is_bad 0 41983 NULL -+lguest_map_42008 lguest_map 1-2 42008 NULL -+pool_allocate_42012 pool_allocate 3 42012 NULL -+spidev_sync_read_42014 spidev_sync_read 0 42014 NULL -+acpi_ut_create_buffer_object_42030 acpi_ut_create_buffer_object 1 42030 NULL -+__hwahc_op_set_gtk_42038 __hwahc_op_set_gtk 4 42038 NULL -+irda_sendmsg_ultra_42047 irda_sendmsg_ultra 4 42047 NULL -+dma_generic_alloc_coherent_42048 dma_generic_alloc_coherent 2 42048 NULL nohasharray -+jffs2_do_link_42048 jffs2_do_link 6 42048 &dma_generic_alloc_coherent_42048 -+ps_poll_upsd_max_ap_turn_read_42050 ps_poll_upsd_max_ap_turn_read 3 42050 NULL -+InterfaceTransmitPacket_42058 InterfaceTransmitPacket 3 42058 NULL -+alloc_bitset_42085 alloc_bitset 1 42085 NULL -+scsi_execute_req_42088 scsi_execute_req 5 42088 NULL -+sk_chk_filter_42095 sk_chk_filter 2 42095 NULL -+submit_inquiry_42108 submit_inquiry 3 42108 NULL -+sysfs_read_file_42113 sysfs_read_file 3 42113 NULL nohasharray -+dw_dma_cyclic_prep_42113 dw_dma_cyclic_prep 3-4 42113 &sysfs_read_file_42113 -+Read_hfc16_stable_42131 Read_hfc16_stable 0 42131 NULL -+mmc_align_data_size_42161 mmc_align_data_size 0-2 42161 NULL -+read_file_base_eeprom_42168 read_file_base_eeprom 3 42168 NULL -+iwl_mvm_send_cmd_42173 iwl_mvm_send_cmd 0 42173 NULL -+oprofilefs_str_to_user_42182 oprofilefs_str_to_user 3 42182 NULL -+get_znodes_to_commit_42201 get_znodes_to_commit 0 42201 NULL -+btmrvl_hsmode_write_42252 btmrvl_hsmode_write 3 42252 NULL -+rx_defrag_need_decrypt_read_42253 rx_defrag_need_decrypt_read 3 42253 NULL -+netxen_nic_map_indirect_address_128M_42257 netxen_nic_map_indirect_address_128M 2 42257 NULL -+savu_sysfs_write_42273 savu_sysfs_write 6 42273 NULL -+snd_pcm_hw_param_value_max_42280 snd_pcm_hw_param_value_max 0 42280 NULL -+sel_read_perm_42302 sel_read_perm 3 42302 NULL -+sctp_setsockopt_del_key_42304 sctp_setsockopt_del_key 3 42304 NULL nohasharray -+ulong_read_file_42304 ulong_read_file 3 42304 &sctp_setsockopt_del_key_42304 -+gfn_to_hva_42305 gfn_to_hva 0-2 42305 NULL -+xfs_vm_readpages_42308 xfs_vm_readpages 4 42308 NULL -+free_cblock_42318 free_cblock 2 42318 NULL -+hysdn_conf_read_42324 hysdn_conf_read 3 42324 NULL -+tcp_sync_mss_42330 tcp_sync_mss 0-2 42330 NULL -+snd_pcm_plug_alloc_42339 snd_pcm_plug_alloc 2 42339 NULL -+ide_raw_taskfile_42355 ide_raw_taskfile 4 42355 NULL -+il_dbgfs_disable_ht40_read_42386 il_dbgfs_disable_ht40_read 3 42386 NULL -+hash_ipportnet4_expire_42391 hash_ipportnet4_expire 3 42391 NULL -+msnd_fifo_read_42406 msnd_fifo_read 0-3 42406 NULL -+krng_get_random_42420 krng_get_random 3 42420 NULL -+gsm_data_alloc_42437 gsm_data_alloc 3 42437 NULL -+key_conf_keyidx_read_42443 key_conf_keyidx_read 3 42443 NULL -+snd_pcm_action_group_42452 snd_pcm_action_group 0 42452 NULL -+tcm_loop_change_queue_depth_42454 tcm_loop_change_queue_depth 2 42454 NULL -+tc3589x_gpio_irq_get_virq_42457 tc3589x_gpio_irq_get_virq 2 42457 NULL -+ext3_valid_block_bitmap_42459 ext3_valid_block_bitmap 3 42459 NULL -+__simple_xattr_set_42474 __simple_xattr_set 4 42474 NULL -+follow_hugetlb_page_42486 follow_hugetlb_page 0-7 42486 NULL -+omfs_readpages_42490 omfs_readpages 4 42490 NULL -+brcmf_sdbrcm_bus_txctl_42492 brcmf_sdbrcm_bus_txctl 3 42492 NULL -+bypass_write_42498 bypass_write 3 42498 NULL -+kvm_write_wall_clock_42520 kvm_write_wall_clock 2 42520 NULL -+smk_write_netlbladdr_42525 smk_write_netlbladdr 3 42525 NULL -+snd_emux_create_port_42533 snd_emux_create_port 3 42533 NULL -+dbAllocNear_42546 dbAllocNear 0 42546 NULL -+i915_ring_stop_read_42549 i915_ring_stop_read 3 42549 NULL nohasharray -+ath6kl_wmi_proc_events_vif_42549 ath6kl_wmi_proc_events_vif 5 42549 &i915_ring_stop_read_42549 -+iwl_print_event_log_42566 iwl_print_event_log 0-5-7 42566 NULL -+xfrm_new_hash_mask_42579 xfrm_new_hash_mask 0-1 42579 NULL -+oom_score_adj_write_42594 oom_score_adj_write 3 42594 NULL -+map_state_42602 map_state 1 42602 NULL nohasharray -+__pskb_pull_42602 __pskb_pull 2 42602 &map_state_42602 -+nd_get_link_42603 nd_get_link 0 42603 NULL -+sys_move_pages_42626 sys_move_pages 2 42626 NULL -+resp_write_42628 resp_write 2 42628 NULL -+ieee80211_if_fmt_dot11MeshHWMPactivePathTimeout_42635 ieee80211_if_fmt_dot11MeshHWMPactivePathTimeout 3 42635 NULL -+scsi_activate_tcq_42640 scsi_activate_tcq 2 42640 NULL -+br_mdb_rehash_42643 br_mdb_rehash 2 42643 NULL -+l2tp_xmit_skb_42672 l2tp_xmit_skb 3 42672 NULL -+request_key_and_link_42693 request_key_and_link 4 42693 NULL -+acpi_dev_get_irqresource_42694 acpi_dev_get_irqresource 2 42694 NULL -+vb2_read_42703 vb2_read 3 42703 NULL -+sierra_net_send_cmd_42708 sierra_net_send_cmd 3 42708 NULL -+__ocfs2_decrease_refcount_42717 __ocfs2_decrease_refcount 4 42717 NULL -+dvb_demux_ioctl_42733 dvb_demux_ioctl 2 42733 NULL -+set_aoe_iflist_42737 set_aoe_iflist 2 42737 NULL -+ax25_setsockopt_42740 ax25_setsockopt 5 42740 NULL -+xen_bind_pirq_gsi_to_irq_42750 xen_bind_pirq_gsi_to_irq 1 42750 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 42781 &cryptd_hash_setkey_42781 -+koneplus_sysfs_read_42792 koneplus_sysfs_read 6 42792 NULL -+ntfs_attr_extend_allocation_42796 ntfs_attr_extend_allocation 0-2 42796 NULL -+fw_device_op_compat_ioctl_42804 fw_device_op_compat_ioctl 2-3 42804 NULL -+drm_ioctl_42813 drm_ioctl 2 42813 NULL -+iwl_dbgfs_ucode_bt_stats_read_42820 iwl_dbgfs_ucode_bt_stats_read 3 42820 NULL -+set_arg_42824 set_arg 3 42824 NULL -+si476x_radio_read_rsq_blob_42827 si476x_radio_read_rsq_blob 3 42827 NULL -+ocfs2_desc_bitmap_to_cluster_off_42831 ocfs2_desc_bitmap_to_cluster_off 2 42831 NULL -+prandom_u32_42853 prandom_u32 0 42853 NULL -+of_property_count_strings_42863 of_property_count_strings 0 42863 NULL -+ocfs2_clusters_for_bytes_42872 ocfs2_clusters_for_bytes 0-2 42872 NULL -+pskb_expand_head_42881 pskb_expand_head 2-3 42881 NULL -+vt_compat_ioctl_42887 vt_compat_ioctl 3 42887 NULL -+tipc_port_recv_sections_42890 tipc_port_recv_sections 4 42890 NULL -+xpc_kmalloc_cacheline_aligned_42895 xpc_kmalloc_cacheline_aligned 1 42895 NULL -+SendTxCommandPacket_42901 SendTxCommandPacket 3 42901 NULL -+hd_end_request_42904 hd_end_request 2 42904 NULL -+sta_last_rx_rate_read_42909 sta_last_rx_rate_read 3 42909 NULL -+sctp_getsockopt_maxburst_42941 sctp_getsockopt_maxburst 2 42941 NULL -+get_unmapped_area_42944 get_unmapped_area 0 42944 NULL -+sys_sethostname_42962 sys_sethostname 2 42962 NULL -+read_file_node_stat_42964 read_file_node_stat 3 42964 NULL -+compat_udpv6_setsockopt_42981 compat_udpv6_setsockopt 5 42981 NULL -+snd_timer_user_ioctl_compat_42985 snd_timer_user_ioctl_compat 3 42985 NULL -+nfs_idmap_get_desc_42990 nfs_idmap_get_desc 4-2 42990 NULL -+mlx4_qp_reserve_range_43000 mlx4_qp_reserve_range 2-3 43000 NULL -+isr_rx_mem_overflow_read_43025 isr_rx_mem_overflow_read 3 43025 NULL -+add_bytes_to_bitmap_43026 add_bytes_to_bitmap 0 43026 NULL -+wep_default_key_count_read_43035 wep_default_key_count_read 3 43035 NULL -+nouveau_gpuobj_create__43072 nouveau_gpuobj_create_ 9 43072 NULL -+nfs_map_group_to_gid_43082 nfs_map_group_to_gid 3 43082 NULL -+cpuset_sprintf_memlist_43088 cpuset_sprintf_memlist 0 43088 NULL -+ieee80211_if_fmt_drop_unencrypted_43107 ieee80211_if_fmt_drop_unencrypted 3 43107 NULL -+read_file_dfs_43145 read_file_dfs 3 43145 NULL nohasharray -+i2c_hid_get_report_43145 i2c_hid_get_report 0 43145 &read_file_dfs_43145 -+uuid_string_43154 uuid_string 0 43154 NULL -+usb_string_sub_43164 usb_string_sub 0 43164 NULL -+il_dbgfs_power_save_status_read_43165 il_dbgfs_power_save_status_read 3 43165 NULL -+ath6kl_set_assoc_req_ies_43185 ath6kl_set_assoc_req_ies 3 43185 NULL -+process_measurement_43190 process_measurement 0 43190 NULL -+ext4_xattr_ibody_get_43200 ext4_xattr_ibody_get 0 43200 NULL -+uio_write_43202 uio_write 3 43202 NULL -+iso_callback_43208 iso_callback 3 43208 NULL -+f2fs_acl_from_disk_43210 f2fs_acl_from_disk 2 43210 NULL -+atomic_long_add_return_43217 atomic_long_add_return 1 43217 NULL -+comedi_compat_ioctl_43218 comedi_compat_ioctl 3 43218 NULL -+vmemmap_alloc_block_43245 vmemmap_alloc_block 1 43245 NULL -+fixup_leb_43256 fixup_leb 3 43256 NULL -+ide_end_rq_43269 ide_end_rq 4 43269 NULL -+evtchn_write_43278 evtchn_write 3 43278 NULL -+filemap_write_and_wait_range_43279 filemap_write_and_wait_range 0 43279 NULL -+mpage_alloc_43299 mpage_alloc 3 43299 NULL -+get_nr_irqs_gsi_43315 get_nr_irqs_gsi 0 43315 NULL -+mmu_set_spte_43327 mmu_set_spte 6-7 43327 NULL -+__ext4_get_inode_loc_43332 __ext4_get_inode_loc 0 43332 NULL -+kvm_host_page_size_43348 kvm_host_page_size 2 43348 NULL -+gart_free_coherent_43362 gart_free_coherent 4-2 43362 NULL -+hash_net4_expire_43378 hash_net4_expire 3 43378 NULL -+__alloc_bootmem_low_43423 __alloc_bootmem_low 1-2 43423 NULL nohasharray -+gdm_wimax_netif_rx_43423 gdm_wimax_netif_rx 3 43423 &__alloc_bootmem_low_43423 -+isku_sysfs_write_keys_capslock_43432 isku_sysfs_write_keys_capslock 6 43432 NULL -+usb_alloc_urb_43436 usb_alloc_urb 1 43436 NULL -+ucs2_strsize_43438 ucs2_strsize 0 43438 NULL -+ath6kl_wmi_roam_tbl_event_rx_43440 ath6kl_wmi_roam_tbl_event_rx 3 43440 NULL -+usemap_size_43443 usemap_size 0-2-1 43443 NULL nohasharray -+usb_string_43443 usb_string 0 43443 &usemap_size_43443 -+alloc_new_reservation_43480 alloc_new_reservation 4 43480 NULL -+tx_tx_data_prepared_read_43497 tx_tx_data_prepared_read 3 43497 NULL -+ieee80211_if_fmt_dot11MeshHWMPnetDiameterTraversalTime_43505 ieee80211_if_fmt_dot11MeshHWMPnetDiameterTraversalTime 3 43505 NULL -+do_readlink_43518 do_readlink 2 43518 NULL -+dvb_ca_en50221_io_write_43533 dvb_ca_en50221_io_write 3 43533 NULL -+cachefiles_daemon_write_43535 cachefiles_daemon_write 3 43535 NULL -+tx_frag_failed_read_43540 tx_frag_failed_read 3 43540 NULL nohasharray -+ufs_alloccg_block_43540 ufs_alloccg_block 3-0 43540 &tx_frag_failed_read_43540 -+ath_rx_init_43564 ath_rx_init 2 43564 NULL -+_fc_frame_alloc_43568 _fc_frame_alloc 1 43568 NULL -+rpc_malloc_43573 rpc_malloc 2 43573 NULL -+lpfc_idiag_drbacc_read_reg_43606 lpfc_idiag_drbacc_read_reg 0-3 43606 NULL -+proc_read_43614 proc_read 3 43614 NULL -+bio_integrity_tag_43658 bio_integrity_tag 3 43658 NULL -+ext4_acl_count_43659 ext4_acl_count 0-1 43659 NULL -+dmam_declare_coherent_memory_43679 dmam_declare_coherent_memory 4-2 43679 NULL -+calgary_map_page_43686 calgary_map_page 3-4 43686 NULL -+max77693_bulk_write_43698 max77693_bulk_write 2-3 43698 NULL -+drbd_md_first_sector_43729 drbd_md_first_sector 0 43729 NULL -+snd_rme32_playback_copy_43732 snd_rme32_playback_copy 5 43732 NULL -+ocfs2_replace_clusters_43733 ocfs2_replace_clusters 5 43733 NULL -+osdv1_attr_list_elem_size_43747 osdv1_attr_list_elem_size 0-1 43747 NULL -+__bm_find_next_43748 __bm_find_next 2 43748 NULL -+gigaset_initcs_43753 gigaset_initcs 2 43753 NULL -+sctp_setsockopt_active_key_43755 sctp_setsockopt_active_key 3 43755 NULL -+ocfs2_xattr_get_value_outside_43787 ocfs2_xattr_get_value_outside 0 43787 NULL nohasharray -+byte_pos_43787 byte_pos 0-2 43787 &ocfs2_xattr_get_value_outside_43787 -+btrfs_copy_from_user_43806 btrfs_copy_from_user 3-1 43806 NULL -+ext4_read_block_bitmap_43814 ext4_read_block_bitmap 2 43814 NULL -+div64_u64_safe_43815 div64_u64_safe 1-2 43815 NULL -+ieee80211_if_fmt_element_ttl_43825 ieee80211_if_fmt_element_ttl 3 43825 NULL -+ieee80211_alloc_hw_43829 ieee80211_alloc_hw 1 43829 NULL -+p54_download_eeprom_43842 p54_download_eeprom 4 43842 NULL -+read_flush_43851 read_flush 3 43851 NULL -+ocfs2_block_group_find_clear_bits_43874 ocfs2_block_group_find_clear_bits 4 43874 NULL -+pm860x_bulk_write_43875 pm860x_bulk_write 2-3 43875 NULL -+prism2_sta_send_mgmt_43916 prism2_sta_send_mgmt 5 43916 NULL -+SendString_43928 SendString 3 43928 NULL -+xen_register_gsi_43946 xen_register_gsi 1-2 43946 NULL -+stats_dot11RTSFailureCount_read_43948 stats_dot11RTSFailureCount_read 3 43948 NULL -+__get_required_blob_size_43980 __get_required_blob_size 0-2-3 43980 NULL -+nla_reserve_43984 nla_reserve 3 43984 NULL -+__clkdev_alloc_43990 __clkdev_alloc 1 43990 NULL -+scsi_command_size_43992 scsi_command_size 0 43992 NULL nohasharray -+bcm_recvmsg_43992 bcm_recvmsg 4 43992 &scsi_command_size_43992 -+emit_flags_44006 emit_flags 4-3 44006 NULL -+write_flush_procfs_44011 write_flush_procfs 3 44011 NULL -+swiotlb_unmap_page_44063 swiotlb_unmap_page 2 44063 NULL -+SYSC_add_key_44079 SYSC_add_key 4 44079 NULL -+load_discard_44083 load_discard 3 44083 NULL -+xlog_recover_add_to_cont_trans_44102 xlog_recover_add_to_cont_trans 4 44102 NULL -+tracing_set_trace_read_44122 tracing_set_trace_read 3 44122 NULL -+vmw_gmr_bind_44130 vmw_gmr_bind 3 44130 NULL -+scsi_get_resid_44147 scsi_get_resid 0 44147 NULL -+ubifs_find_dirty_idx_leb_44169 ubifs_find_dirty_idx_leb 0 44169 NULL -+ocfs2_xattr_bucket_find_44174 ocfs2_xattr_bucket_find 0 44174 NULL -+SYSC_set_mempolicy_44176 SYSC_set_mempolicy 3 44176 NULL -+handle_eviocgbit_44193 handle_eviocgbit 3 44193 NULL -+IO_APIC_get_PCI_irq_vector_44198 IO_APIC_get_PCI_irq_vector 0 44198 NULL -+__set_free_44211 __set_free 2 44211 NULL -+claim_ptd_buffers_44213 claim_ptd_buffers 3 44213 NULL -+srp_alloc_iu_44227 srp_alloc_iu 2 44227 NULL -+ioapic_register_intr_44238 ioapic_register_intr 1 44238 NULL -+scsi_track_queue_full_44239 scsi_track_queue_full 2 44239 NULL -+tc3589x_gpio_irq_map_44245 tc3589x_gpio_irq_map 2 44245 NULL -+enlarge_skb_44248 enlarge_skb 2 44248 NULL -+ufs_clusteracct_44293 ufs_clusteracct 3 44293 NULL -+ocfs2_zero_range_for_truncate_44294 ocfs2_zero_range_for_truncate 3 44294 NULL -+ath6kl_keepalive_read_44303 ath6kl_keepalive_read 3 44303 NULL -+bitmap_scnprintf_44318 bitmap_scnprintf 2 44318 NULL -+dispatch_proc_write_44320 dispatch_proc_write 3 44320 NULL -+ubi_eba_write_leb_st_44343 ubi_eba_write_leb_st 5 44343 NULL -+nfs_fscache_get_super_cookie_44355 nfs_fscache_get_super_cookie 3 44355 NULL nohasharray -+blk_queue_init_tags_44355 blk_queue_init_tags 2 44355 &nfs_fscache_get_super_cookie_44355 -+__is_discarded_44359 __is_discarded 2 44359 NULL -+rts_threshold_read_44384 rts_threshold_read 3 44384 NULL -+aoedev_flush_44398 aoedev_flush 2 44398 NULL -+drm_buffer_alloc_44405 drm_buffer_alloc 2 44405 NULL -+osst_do_scsi_44410 osst_do_scsi 4 44410 NULL -+check_user_page_hwpoison_44412 check_user_page_hwpoison 1 44412 NULL -+ieee80211_if_read_rc_rateidx_mcs_mask_5ghz_44423 ieee80211_if_read_rc_rateidx_mcs_mask_5ghz 3 44423 NULL -+prandom_u32_state_44445 prandom_u32_state 0 44445 NULL -+___alloc_bootmem_node_nopanic_44461 ___alloc_bootmem_node_nopanic 2-3 44461 NULL -+btrfs_chunk_item_size_44478 btrfs_chunk_item_size 0-1 44478 NULL -+sdio_align_size_44489 sdio_align_size 0-2 44489 NULL -+bio_advance_44496 bio_advance 2 44496 NULL -+ieee80211_if_read_dropped_frames_ttl_44500 ieee80211_if_read_dropped_frames_ttl 3 44500 NULL -+security_getprocattr_44505 security_getprocattr 0 44505 NULL nohasharray -+iwl_dbgfs_sram_read_44505 iwl_dbgfs_sram_read 3 44505 &security_getprocattr_44505 -+spidev_write_44510 spidev_write 3 44510 NULL -+sys_msgsnd_44537 sys_msgsnd 3 44537 NULL nohasharray -+comm_write_44537 comm_write 3 44537 &sys_msgsnd_44537 -+hash_ipport4_expire_44564 hash_ipport4_expire 3 44564 NULL -+dgrp_config_proc_write_44571 dgrp_config_proc_write 3 44571 NULL -+snd_pcm_alloc_vmalloc_buffer_44595 snd_pcm_alloc_vmalloc_buffer 2 44595 NULL -+slip_compat_ioctl_44599 slip_compat_ioctl 4 44599 NULL -+brcmf_sdbrcm_glom_len_44618 brcmf_sdbrcm_glom_len 0 44618 NULL -+cfpkt_add_body_44630 cfpkt_add_body 3 44630 NULL -+ext2_new_block_44645 ext2_new_block 2 44645 NULL -+alloc_ctrl_packet_44667 alloc_ctrl_packet 1 44667 NULL -+mpi_resize_44674 mpi_resize 2 44674 NULL -+ts_read_44687 ts_read 3 44687 NULL -+qib_get_user_pages_44689 qib_get_user_pages 1-2 44689 NULL -+xfer_to_user_44713 xfer_to_user 3 44713 NULL -+_zd_iowrite32v_locked_44725 _zd_iowrite32v_locked 3 44725 NULL -+clusterip_proc_write_44729 clusterip_proc_write 3 44729 NULL -+fib_count_nexthops_44730 fib_count_nexthops 0 44730 NULL -+key_tx_rx_count_read_44742 key_tx_rx_count_read 3 44742 NULL -+WIL_GET_BITS_44747 WIL_GET_BITS 0-1-2-3 44747 NULL -+set_brk_44749 set_brk 1 44749 NULL -+tnode_new_44757 tnode_new 3 44757 NULL nohasharray -+pty_write_44757 pty_write 3 44757 &tnode_new_44757 -+__videobuf_copy_stream_44769 __videobuf_copy_stream 4 44769 NULL -+handsfree_ramp_44777 handsfree_ramp 2 44777 NULL -+sctp_setsockopt_44788 sctp_setsockopt 5 44788 NULL -+rx_dropped_read_44799 rx_dropped_read 3 44799 NULL -+qla4xxx_alloc_work_44813 qla4xxx_alloc_work 2 44813 NULL -+mei_cl_read_start_44824 mei_cl_read_start 2 44824 NULL -+rmap_write_protect_44833 rmap_write_protect 2 44833 NULL -+sisusb_write_44834 sisusb_write 3 44834 NULL -+nl80211_send_unprot_disassoc_44846 nl80211_send_unprot_disassoc 4 44846 NULL -+kvm_read_hva_44847 kvm_read_hva 3 44847 NULL -+cubic_root_44848 cubic_root 1 44848 NULL -+copydesc_user_44855 copydesc_user 3 44855 NULL -+skb_availroom_44883 skb_availroom 0 44883 NULL -+nf_bridge_encap_header_len_44890 nf_bridge_encap_header_len 0 44890 NULL -+do_tty_write_44896 do_tty_write 5 44896 NULL -+tx_queue_status_read_44978 tx_queue_status_read 3 44978 NULL -+nf_nat_seq_adjust_44989 nf_nat_seq_adjust 4 44989 NULL -+map_index_to_lba_44993 map_index_to_lba 0-1 44993 NULL -+bytepos_delta_45017 bytepos_delta 0 45017 NULL -+read_block_bitmap_45021 read_block_bitmap 2 45021 NULL nohasharray -+ptrace_writedata_45021 ptrace_writedata 4-3 45021 &read_block_bitmap_45021 -+vhci_get_user_45039 vhci_get_user 3 45039 NULL -+sel_write_user_45060 sel_write_user 3 45060 NULL -+vmscan_swappiness_45062 vmscan_swappiness 0 45062 NULL -+snd_mixart_BA0_read_45069 snd_mixart_BA0_read 5 45069 NULL nohasharray -+do_video_ioctl_45069 do_video_ioctl 3 45069 &snd_mixart_BA0_read_45069 -+kvm_mmu_page_get_gfn_45110 kvm_mmu_page_get_gfn 0-2 45110 NULL -+pwr_missing_bcns_cnt_read_45113 pwr_missing_bcns_cnt_read 3 45113 NULL -+usbdev_read_45114 usbdev_read 3 45114 NULL -+isku_sysfs_write_reset_45133 isku_sysfs_write_reset 6 45133 NULL -+send_to_tty_45141 send_to_tty 3 45141 NULL -+stmpe_irq_map_45146 stmpe_irq_map 2 45146 NULL -+crypto_aead_blocksize_45148 crypto_aead_blocksize 0 45148 NULL -+gen_bitmask_string_45149 gen_bitmask_string 6 45149 NULL -+ocfs2_remove_inode_range_45156 ocfs2_remove_inode_range 3-4 45156 NULL nohasharray -+device_write_45156 device_write 3 45156 &ocfs2_remove_inode_range_45156 -+ocfs2_dq_frozen_trigger_45159 ocfs2_dq_frozen_trigger 4 45159 NULL -+tomoyo_write_self_45161 tomoyo_write_self 3 45161 NULL -+sta_agg_status_write_45164 sta_agg_status_write 3 45164 NULL -+snd_sb_csp_load_user_45190 snd_sb_csp_load_user 3 45190 NULL -+num_clusters_in_group_45194 num_clusters_in_group 2 45194 NULL -+add_child_45201 add_child 4 45201 NULL -+iso_alloc_urb_45206 iso_alloc_urb 4-5 45206 NULL -+spi_alloc_master_45223 spi_alloc_master 2 45223 NULL -+__dirty_45228 __dirty 2 45228 NULL -+ieee80211_if_read_peer_45233 ieee80211_if_read_peer 3 45233 NULL -+prism2_pda_proc_read_45246 prism2_pda_proc_read 3 45246 NULL -+input_mt_init_slots_45279 input_mt_init_slots 2 45279 NULL -+vcc_compat_ioctl_45291 vcc_compat_ioctl 3 45291 NULL -+snd_pcm_oss_sync1_45298 snd_pcm_oss_sync1 2 45298 NULL -+pte_val_45313 pte_val 0 45313 NULL -+__i2c_hid_command_45321 __i2c_hid_command 0 45321 NULL -+copy_vm86_regs_from_user_45340 copy_vm86_regs_from_user 3 45340 NULL -+lane2_associate_req_45398 lane2_associate_req 4 45398 NULL -+keymap_store_45406 keymap_store 4 45406 NULL -+paging64_gva_to_gpa_45421 paging64_gva_to_gpa 2 45421 NULL nohasharray -+ieee80211_if_fmt_dot11MeshHWMProotInterval_45421 ieee80211_if_fmt_dot11MeshHWMProotInterval 3 45421 &paging64_gva_to_gpa_45421 -+tty_buffer_alloc_45437 tty_buffer_alloc 2 45437 NULL -+intel_render_ring_init_dri_45446 intel_render_ring_init_dri 2-3 45446 NULL nohasharray -+SYSC_mremap_45446 SYSC_mremap 5-1-2 45446 &intel_render_ring_init_dri_45446 -+__node_remap_45458 __node_remap 4 45458 NULL -+rds_ib_set_wr_signal_state_45463 rds_ib_set_wr_signal_state 0 45463 NULL -+udp_manip_pkt_45467 udp_manip_pkt 4 45467 NULL -+tracing_read_dyn_info_45468 tracing_read_dyn_info 3 45468 NULL -+arizona_init_fll_45503 arizona_init_fll 5 45503 NULL -+rds_message_copy_from_user_45510 rds_message_copy_from_user 3 45510 NULL -+sys_lgetxattr_45531 sys_lgetxattr 4 45531 NULL -+cgroup_read_u64_45532 cgroup_read_u64 5 45532 NULL -+copy_macs_45534 copy_macs 4 45534 NULL -+nla_attr_size_45545 nla_attr_size 0-1 45545 NULL -+v9fs_direct_read_45546 v9fs_direct_read 3 45546 NULL -+cx18_copy_mdl_to_user_45549 cx18_copy_mdl_to_user 4 45549 NULL -+atomic_long_sub_return_45551 atomic_long_sub_return 1 45551 NULL -+ext3_group_first_block_no_45555 ext3_group_first_block_no 0-2 45555 NULL -+stats_dot11ACKFailureCount_read_45558 stats_dot11ACKFailureCount_read 3 45558 NULL -+_regmap_bus_raw_write_45559 _regmap_bus_raw_write 2 45559 NULL -+posix_acl_xattr_size_45561 posix_acl_xattr_size 0-1 45561 NULL -+venus_rmdir_45564 venus_rmdir 4 45564 NULL -+ipath_create_cq_45586 ipath_create_cq 2 45586 NULL -+rdma_set_ib_paths_45592 rdma_set_ib_paths 3 45592 NULL -+hidraw_get_report_45609 hidraw_get_report 3 45609 NULL -+audit_log_n_hex_45617 audit_log_n_hex 3 45617 NULL -+ebitmap_next_positive_45651 ebitmap_next_positive 3 45651 NULL -+dma_map_cont_45668 dma_map_cont 5 45668 NULL -+compat_mpctl_ioctl_45671 compat_mpctl_ioctl 2 45671 NULL -+dgram_sendmsg_45679 dgram_sendmsg 4 45679 NULL -+smk_write_ambient_45691 smk_write_ambient 3 45691 NULL -+dm_compat_ctl_ioctl_45692 dm_compat_ctl_ioctl 3 45692 NULL -+unix_dgram_sendmsg_45699 unix_dgram_sendmsg 4 45699 NULL nohasharray -+bscnl_emit_45699 bscnl_emit 2-5-0 45699 &unix_dgram_sendmsg_45699 -+dvb_ca_en50221_init_45718 dvb_ca_en50221_init 4 45718 NULL -+snd_cs46xx_io_read_45734 snd_cs46xx_io_read 5 45734 NULL -+rw_copy_check_uvector_45748 rw_copy_check_uvector 3 45748 NULL nohasharray -+v4l2_ctrl_new_std_45748 v4l2_ctrl_new_std 5 45748 &rw_copy_check_uvector_45748 -+lkdtm_debugfs_read_45752 lkdtm_debugfs_read 3 45752 NULL -+nilfs_compat_ioctl_45769 nilfs_compat_ioctl 3 45769 NULL -+alloc_ts_config_45775 alloc_ts_config 1 45775 NULL -+raw_setsockopt_45800 raw_setsockopt 5 45800 NULL -+lbs_rdbbp_read_45805 lbs_rdbbp_read 3 45805 NULL -+pcpu_alloc_alloc_info_45813 pcpu_alloc_alloc_info 1-2 45813 NULL -+fm_v4l2_init_video_device_45821 fm_v4l2_init_video_device 2 45821 NULL -+memcg_update_cache_size_45828 memcg_update_cache_size 2 45828 NULL -+x509_process_extension_45854 x509_process_extension 5 45854 NULL -+isdn_write_45863 isdn_write 3 45863 NULL -+unpack_orig_pfns_45867 unpack_orig_pfns 0 45867 NULL -+get_rdac_req_45882 get_rdac_req 3 45882 NULL -+ocfs2_xattr_block_find_45891 ocfs2_xattr_block_find 0 45891 NULL -+wm_adsp_region_to_reg_45915 wm_adsp_region_to_reg 0-2 45915 NULL -+dbgfs_frame_45917 dbgfs_frame 3 45917 NULL -+nf_nat_ftp_fmt_cmd_45926 nf_nat_ftp_fmt_cmd 0 45926 NULL -+smp_scan_config_45934 smp_scan_config 1 45934 NULL -+alloc_mr_45935 alloc_mr 1 45935 NULL -+split_large_page_45941 split_large_page 2 45941 NULL -+rb_simple_read_45972 rb_simple_read 3 45972 NULL -+ezusb_writememory_45976 ezusb_writememory 4 45976 NULL -+ioat2_dca_count_dca_slots_45984 ioat2_dca_count_dca_slots 0 45984 NULL -+ore_calc_stripe_info_46023 ore_calc_stripe_info 2 46023 NULL -+sierra_setup_urb_46029 sierra_setup_urb 5 46029 NULL -+get_free_entries_46030 get_free_entries 1 46030 NULL -+__access_remote_vm_46031 __access_remote_vm 0-5-3 46031 NULL -+snd_emu10k1x_ptr_read_46049 snd_emu10k1x_ptr_read 0 46049 NULL -+acpi_register_gsi_xen_hvm_46052 acpi_register_gsi_xen_hvm 2 46052 NULL -+line6_midibuf_bytes_used_46059 line6_midibuf_bytes_used 0 46059 NULL -+__ocfs2_move_extent_46060 __ocfs2_move_extent 5-6 46060 NULL nohasharray -+dma_tx_errors_read_46060 dma_tx_errors_read 3 46060 &__ocfs2_move_extent_46060 -+slhc_toss_46066 slhc_toss 0 46066 NULL -+sel_commit_bools_write_46077 sel_commit_bools_write 3 46077 NULL -+vfio_config_do_rw_46091 vfio_config_do_rw 3 46091 NULL -+ata_host_alloc_46094 ata_host_alloc 2 46094 NULL -+arizona_set_irq_wake_46101 arizona_set_irq_wake 2 46101 NULL -+pkt_ctl_compat_ioctl_46110 pkt_ctl_compat_ioctl 3 46110 NULL -+memcg_update_array_size_46111 memcg_update_array_size 1 46111 NULL nohasharray -+il3945_ucode_general_stats_read_46111 il3945_ucode_general_stats_read 3 46111 &memcg_update_array_size_46111 -+C_SYSC_writev_46113 C_SYSC_writev 3 46113 NULL -+mlx4_ib_alloc_fast_reg_page_list_46119 mlx4_ib_alloc_fast_reg_page_list 2 46119 NULL -+paging32_walk_addr_nested_46121 paging32_walk_addr_nested 3 46121 NULL -+vb2_dma_sg_get_userptr_46146 vb2_dma_sg_get_userptr 2 46146 NULL -+__netlink_change_ngroups_46156 __netlink_change_ngroups 2 46156 NULL -+twl_direction_out_46182 twl_direction_out 2 46182 NULL -+vxge_os_dma_malloc_46184 vxge_os_dma_malloc 2 46184 NULL -+add_conn_list_46197 add_conn_list 3 46197 NULL -+i2400m_op_msg_from_user_46213 i2400m_op_msg_from_user 4 46213 NULL -+tm6000_i2c_recv_regs_46215 tm6000_i2c_recv_regs 5 46215 NULL -+dsp_write_46218 dsp_write 2 46218 NULL -+mpi_read_raw_data_46248 mpi_read_raw_data 2 46248 NULL -+nf_nat_ftp_46265 nf_nat_ftp 6 46265 NULL -+ReadReg_46277 ReadReg 0 46277 NULL -+batadv_iv_ogm_queue_add_46319 batadv_iv_ogm_queue_add 3 46319 NULL -+qlcnic_83xx_sysfs_flash_bulk_write_46320 qlcnic_83xx_sysfs_flash_bulk_write 4 46320 NULL -+__hwahc_dev_set_key_46328 __hwahc_dev_set_key 5 46328 NULL -+iwl_dbgfs_chain_noise_read_46355 iwl_dbgfs_chain_noise_read 3 46355 NULL -+smk_write_direct_46363 smk_write_direct 3 46363 NULL -+__iommu_calculate_agaw_46366 __iommu_calculate_agaw 2 46366 NULL -+ubi_dump_flash_46381 ubi_dump_flash 4 46381 NULL -+fuse_file_aio_write_46399 fuse_file_aio_write 4 46399 NULL -+crypto_ablkcipher_reqsize_46411 crypto_ablkcipher_reqsize 0 46411 NULL -+hash_ipportip6_expire_46443 hash_ipportip6_expire 3 46443 NULL -+cp210x_set_config_46447 cp210x_set_config 4 46447 NULL -+filldir64_46469 filldir64 3 46469 NULL -+fill_in_write_vector_46498 fill_in_write_vector 0 46498 NULL -+pin_code_reply_46510 pin_code_reply 4 46510 NULL -+mthca_alloc_cq_buf_46512 mthca_alloc_cq_buf 3 46512 NULL -+kmsg_read_46514 kmsg_read 3 46514 NULL -+bdx_rxdb_create_46525 bdx_rxdb_create 1 46525 NULL -+nl80211_send_rx_assoc_46538 nl80211_send_rx_assoc 4 46538 NULL -+pm860x_irq_domain_map_46553 pm860x_irq_domain_map 2 46553 NULL -+mv_get_hc_count_46554 mv_get_hc_count 0 46554 NULL -+link_send_sections_long_46556 link_send_sections_long 4 46556 NULL -+irq_domain_associate_46564 irq_domain_associate 2 46564 NULL -+dn_current_mss_46574 dn_current_mss 0 46574 NULL -+serverworks_create_gatt_pages_46582 serverworks_create_gatt_pages 1 46582 NULL -+snd_compr_write_data_46592 snd_compr_write_data 3 46592 NULL -+il3945_stats_flag_46606 il3945_stats_flag 0-3 46606 NULL -+vscnprintf_46617 vscnprintf 0-2 46617 NULL -+__kfifo_out_r_46623 __kfifo_out_r 0-3 46623 NULL -+request_key_async_with_auxdata_46624 request_key_async_with_auxdata 4 46624 NULL -+vfs_getxattr_alloc_46649 vfs_getxattr_alloc 0 46649 NULL -+av7110_ipack_init_46655 av7110_ipack_init 2 46655 NULL -+alloc_data_packet_46698 alloc_data_packet 1 46698 NULL -+__ilog2_u32_46706 __ilog2_u32 0 46706 NULL -+erst_dbg_write_46715 erst_dbg_write 3 46715 NULL -+wl1271_rx_filter_alloc_field_46721 wl1271_rx_filter_alloc_field 5 46721 NULL -+prepare_copy_46725 prepare_copy 2 46725 NULL -+irq_domain_add_simple_46734 irq_domain_add_simple 2-3 46734 NULL -+set_memory_wc_46747 set_memory_wc 1 46747 NULL -+ext4_count_free_46754 ext4_count_free 2 46754 NULL nohasharray -+pte_pfn_46754 pte_pfn 0 46754 &ext4_count_free_46754 -+hest_ghes_dev_register_46766 hest_ghes_dev_register 1 46766 NULL -+int_hw_irq_en_46776 int_hw_irq_en 3 46776 NULL -+regcache_lzo_sync_46777 regcache_lzo_sync 2 46777 NULL -+_sys_packet_req_46793 _sys_packet_req 4 46793 NULL -+_xfs_buf_get_pages_46811 _xfs_buf_get_pages 2 46811 NULL -+xfs_iroot_realloc_46826 xfs_iroot_realloc 2 46826 NULL -+shmem_pwrite_fast_46842 shmem_pwrite_fast 3 46842 NULL -+spi_async_46857 spi_async 0 46857 NULL -+vsnprintf_46863 vsnprintf 0 46863 NULL nohasharray -+SyS_move_pages_46863 SyS_move_pages 2 46863 &vsnprintf_46863 -+nvme_alloc_queue_46865 nvme_alloc_queue 3 46865 NULL -+sip_sprintf_addr_46872 sip_sprintf_addr 0 46872 NULL -+rvmalloc_46873 rvmalloc 1 46873 NULL -+qp_memcpy_from_queue_iov_46874 qp_memcpy_from_queue_iov 4-5 46874 NULL -+hpi_read_word_nolock_46881 hpi_read_word_nolock 0 46881 NULL -+stmpe_gpio_irq_unmap_46884 stmpe_gpio_irq_unmap 2 46884 NULL -+ixgbe_dbg_reg_ops_write_46895 ixgbe_dbg_reg_ops_write 3 46895 NULL -+sk_mem_pages_46896 sk_mem_pages 0-1 46896 NULL -+ol_dqblk_off_46904 ol_dqblk_off 3-2 46904 NULL -+ieee80211_if_fmt_power_mode_46906 ieee80211_if_fmt_power_mode 3 46906 NULL -+wlcore_alloc_hw_46917 wlcore_alloc_hw 1 46917 NULL -+fb_write_46924 fb_write 3 46924 NULL -+btmrvl_curpsmode_read_46939 btmrvl_curpsmode_read 3 46939 NULL -+kvm_register_read_46948 kvm_register_read 0 46948 NULL -+__sctp_setsockopt_connectx_46949 __sctp_setsockopt_connectx 3 46949 NULL -+qla4xxx_post_aen_work_46953 qla4xxx_post_aen_work 3 46953 NULL -+crypto_tfm_alg_alignmask_46971 crypto_tfm_alg_alignmask 0 46971 NULL -+mgmt_pending_add_46976 mgmt_pending_add 5 46976 NULL -+gfs2_xattr_system_set_46996 gfs2_xattr_system_set 4 46996 NULL nohasharray -+sel_write_bool_46996 sel_write_bool 3 46996 &gfs2_xattr_system_set_46996 -+ttm_bo_io_47000 ttm_bo_io 5 47000 NULL -+blk_rq_map_kern_47004 blk_rq_map_kern 4 47004 NULL -+add_free_space_entry_47005 add_free_space_entry 2 47005 NULL -+__map_single_47020 __map_single 3-4-7 47020 NULL -+cx231xx_init_bulk_47024 cx231xx_init_bulk 3-2 47024 NULL -+swiotlb_sync_single_47031 swiotlb_sync_single 2 47031 NULL -+set_dis_bypass_pfs_47038 set_dis_bypass_pfs 3 47038 NULL -+fs_path_len_47060 fs_path_len 0 47060 NULL -+ufs_new_fragments_47070 ufs_new_fragments 3-5-4 47070 NULL -+pipeline_dec_packet_in_read_47076 pipeline_dec_packet_in_read 3 47076 NULL -+scsi_deactivate_tcq_47086 scsi_deactivate_tcq 2 47086 NULL -+iwl_dump_nic_event_log_47089 iwl_dump_nic_event_log 0 47089 NULL -+mousedev_read_47123 mousedev_read 3 47123 NULL -+ses_recv_diag_47143 ses_recv_diag 4 47143 NULL nohasharray -+acpi_ut_initialize_buffer_47143 acpi_ut_initialize_buffer 2 47143 &ses_recv_diag_47143 -+persistent_ram_iomap_47156 persistent_ram_iomap 1-2 47156 NULL -+mxms_headerlen_47161 mxms_headerlen 0 47161 NULL -+rs_sta_dbgfs_rate_scale_data_read_47165 rs_sta_dbgfs_rate_scale_data_read 3 47165 NULL -+rts51x_ms_rw_47171 rts51x_ms_rw 3-4 47171 NULL -+svc_pool_map_alloc_arrays_47181 svc_pool_map_alloc_arrays 2 47181 NULL -+can_set_system_xattr_47182 can_set_system_xattr 4 47182 NULL -+ioremap_cache_47189 ioremap_cache 1-2 47189 NULL -+gnttab_set_map_op_47206 gnttab_set_map_op 2 47206 NULL -+l2headersize_47238 l2headersize 0 47238 NULL -+options_write_47243 options_write 3 47243 NULL -+portcntrs_1_read_47253 portcntrs_1_read 3 47253 NULL -+da9052_disable_irq_nosync_47260 da9052_disable_irq_nosync 2 47260 NULL -+ablkcipher_next_slow_47274 ablkcipher_next_slow 4-3 47274 NULL -+tty_audit_log_47280 tty_audit_log 8 47280 NULL -+gfs2_readpages_47285 gfs2_readpages 4 47285 NULL -+vsnprintf_47291 vsnprintf 0 47291 NULL -+SYSC_semop_47292 SYSC_semop 3 47292 NULL -+tx_internal_desc_overflow_read_47300 tx_internal_desc_overflow_read 3 47300 NULL -+SyS_madvise_47354 SyS_madvise 1 47354 NULL -+ieee80211_if_read_dot11MeshHoldingTimeout_47356 ieee80211_if_read_dot11MeshHoldingTimeout 3 47356 NULL -+avc_get_hash_stats_47359 avc_get_hash_stats 0 47359 NULL -+find_first_zero_bit_le_47369 find_first_zero_bit_le 2 47369 NULL -+__bio_map_kern_47379 __bio_map_kern 3 47379 NULL -+nv_rd32_47390 nv_rd32 0 47390 NULL nohasharray -+trace_options_core_read_47390 trace_options_core_read 3 47390 &nv_rd32_47390 -+nametbl_list_47391 nametbl_list 2 47391 NULL -+dgrp_net_write_47392 dgrp_net_write 3 47392 NULL -+pfkey_sendmsg_47394 pfkey_sendmsg 4 47394 NULL -+gfn_to_pfn_prot_47398 gfn_to_pfn_prot 2 47398 NULL -+ocfs2_resv_end_47408 ocfs2_resv_end 0 47408 NULL -+sta_vht_capa_read_47409 sta_vht_capa_read 3 47409 NULL -+crypto_ablkcipher_alignmask_47410 crypto_ablkcipher_alignmask 0 47410 NULL -+vzalloc_47421 vzalloc 1 47421 NULL -+hash_ipportip4_expire_47426 hash_ipportip4_expire 3 47426 NULL -+posix_acl_from_disk_47445 posix_acl_from_disk 2 47445 NULL -+__load_mapping_47460 __load_mapping 2 47460 NULL -+nvme_trans_send_fw_cmd_47479 nvme_trans_send_fw_cmd 4 47479 NULL -+wb_force_mapping_47485 wb_force_mapping 2 47485 NULL nohasharray -+newpart_47485 newpart 6 47485 &wb_force_mapping_47485 -+core_sys_select_47494 core_sys_select 1 47494 NULL -+alloc_arraycache_47505 alloc_arraycache 2 47505 NULL -+unlink_simple_47506 unlink_simple 3 47506 NULL -+ufs_inode_getblock_47512 ufs_inode_getblock 4 47512 NULL -+vscnprintf_47533 vscnprintf 0-2 47533 NULL nohasharray -+process_vm_rw_47533 process_vm_rw 3-5 47533 &vscnprintf_47533 -+oz_events_read_47535 oz_events_read 3 47535 NULL -+ieee80211_if_fmt_min_discovery_timeout_47539 ieee80211_if_fmt_min_discovery_timeout 3 47539 NULL -+read_ldt_47570 read_ldt 2 47570 NULL -+_rtl_rx_get_padding_47572 _rtl_rx_get_padding 0 47572 NULL nohasharray -+isku_sysfs_read_last_set_47572 isku_sysfs_read_last_set 6 47572 &_rtl_rx_get_padding_47572 -+pci_iomap_47575 pci_iomap 3 47575 NULL -+rpipe_get_idx_47579 rpipe_get_idx 2 47579 NULL -+SYSC_fcntl64_47581 SYSC_fcntl64 3 47581 NULL -+ext4_kvzalloc_47605 ext4_kvzalloc 1 47605 NULL -+sctp_ssnmap_new_47608 sctp_ssnmap_new 1-2 47608 NULL -+uea_request_47613 uea_request 4 47613 NULL -+cache_read_pipefs_47615 cache_read_pipefs 3 47615 NULL -+twl4030_clear_set_47624 twl4030_clear_set 4 47624 NULL -+irq_set_chip_47638 irq_set_chip 1 47638 NULL -+__build_packet_message_47643 __build_packet_message 3-9 47643 NULL -+global_rt_runtime_47712 global_rt_runtime 0 47712 NULL -+save_microcode_47717 save_microcode 3 47717 NULL -+bits_to_user_47733 bits_to_user 2-3 47733 NULL -+carl9170_debugfs_read_47738 carl9170_debugfs_read 3 47738 NULL -+ir_prepare_write_buffer_47747 ir_prepare_write_buffer 3 47747 NULL -+mvumi_alloc_mem_resource_47750 mvumi_alloc_mem_resource 3 47750 NULL -+ext3_find_near_47752 ext3_find_near 0 47752 NULL -+alloc_sched_domains_47756 alloc_sched_domains 1 47756 NULL -+i915_wedged_write_47771 i915_wedged_write 3 47771 NULL -+uwb_ie_dump_hex_47774 uwb_ie_dump_hex 4 47774 NULL -+SyS_setgroups16_47780 SyS_setgroups16 1 47780 NULL -+error_error_numll_frame_cts_start_read_47781 error_error_numll_frame_cts_start_read 3 47781 NULL -+posix_acl_fix_xattr_from_user_47793 posix_acl_fix_xattr_from_user 2 47793 NULL -+stmmac_set_bfsize_47834 stmmac_set_bfsize 0 47834 NULL -+KEY_SIZE_47855 KEY_SIZE 0 47855 NULL -+ubifs_unpack_nnode_47866 ubifs_unpack_nnode 0 47866 NULL -+vhci_read_47878 vhci_read 3 47878 NULL -+keyctl_instantiate_key_common_47889 keyctl_instantiate_key_common 4 47889 NULL -+load_mapping_47904 load_mapping 3 47904 NULL -+osd_req_read_sg_47905 osd_req_read_sg 5 47905 NULL -+comedi_write_47926 comedi_write 3 47926 NULL -+nvme_trans_get_blk_desc_len_47946 nvme_trans_get_blk_desc_len 0-2 47946 NULL -+lp8788_irq_map_47964 lp8788_irq_map 2 47964 NULL -+iwl_dbgfs_ucode_tracing_read_47983 iwl_dbgfs_ucode_tracing_read 3 47983 NULL nohasharray -+mempool_resize_47983 mempool_resize 2 47983 &iwl_dbgfs_ucode_tracing_read_47983 -+dbg_port_buf_47990 dbg_port_buf 2 47990 NULL -+ib_umad_write_47993 ib_umad_write 3 47993 NULL -+ffs_epfile_write_48014 ffs_epfile_write 3 48014 NULL -+bio_integrity_set_tag_48035 bio_integrity_set_tag 3 48035 NULL -+pppoe_sendmsg_48039 pppoe_sendmsg 4 48039 NULL -+SYSC_writev_48040 SYSC_writev 3 48040 NULL -+wpan_phy_alloc_48056 wpan_phy_alloc 1 48056 NULL -+posix_acl_alloc_48063 posix_acl_alloc 1 48063 NULL -+palmas_bulk_write_48068 palmas_bulk_write 2-3-5 48068 NULL -+disc_write_48070 disc_write 3 48070 NULL -+mmc_alloc_host_48097 mmc_alloc_host 1 48097 NULL -+skb_copy_datagram_const_iovec_48102 skb_copy_datagram_const_iovec 4-2-5 48102 NULL -+radio_isa_common_probe_48107 radio_isa_common_probe 3 48107 NULL -+vmw_framebuffer_surface_dirty_48132 vmw_framebuffer_surface_dirty 6 48132 NULL -+set_discoverable_48141 set_discoverable 4 48141 NULL -+dn_fib_count_nhs_48145 dn_fib_count_nhs 0 48145 NULL -+bitmap_onto_48152 bitmap_onto 4 48152 NULL -+isr_dma1_done_read_48159 isr_dma1_done_read 3 48159 NULL -+c4iw_id_table_alloc_48163 c4iw_id_table_alloc 3 48163 NULL -+ocfs2_find_next_zero_bit_unaligned_48170 ocfs2_find_next_zero_bit_unaligned 2-3 48170 NULL nohasharray -+rbd_obj_method_sync_48170 rbd_obj_method_sync 8 48170 &ocfs2_find_next_zero_bit_unaligned_48170 -+alloc_cc770dev_48186 alloc_cc770dev 1 48186 NULL -+init_ipath_48187 init_ipath 1 48187 NULL -+brcmf_sdio_chip_cm3_exitdl_48192 brcmf_sdio_chip_cm3_exitdl 4 48192 NULL -+snd_seq_dump_var_event_48209 snd_seq_dump_var_event 0 48209 NULL -+is_block_in_journal_48223 is_block_in_journal 3 48223 NULL -+uv_blade_nr_possible_cpus_48226 uv_blade_nr_possible_cpus 0 48226 NULL -+nilfs_readpages_48229 nilfs_readpages 4 48229 NULL -+read_file_recv_48232 read_file_recv 3 48232 NULL -+unaccount_shadowed_48233 unaccount_shadowed 2 48233 NULL -+nfsctl_transaction_read_48250 nfsctl_transaction_read 3 48250 NULL -+cache_write_pipefs_48270 cache_write_pipefs 3 48270 NULL -+send_set_info_48288 send_set_info 7 48288 NULL -+set_disc_pwup_pfs_48300 set_disc_pwup_pfs 3 48300 NULL -+lpfc_idiag_extacc_read_48301 lpfc_idiag_extacc_read 3 48301 NULL -+timblogiw_read_48305 timblogiw_read 3 48305 NULL -+hash_setkey_48310 hash_setkey 3 48310 NULL -+__alloc_fd_48356 __alloc_fd 2 48356 NULL -+skb_add_data_48363 skb_add_data 3 48363 NULL -+tx_frag_init_called_read_48377 tx_frag_init_called_read 3 48377 NULL -+ixgbe_pci_sriov_enable_48410 ixgbe_pci_sriov_enable 2 48410 NULL -+lbs_debugfs_write_48413 lbs_debugfs_write 3 48413 NULL -+pwr_tx_without_ps_read_48423 pwr_tx_without_ps_read 3 48423 NULL -+nfs4_alloc_pages_48426 nfs4_alloc_pages 1 48426 NULL -+print_filtered_48442 print_filtered 2-0 48442 NULL -+tun_recvmsg_48463 tun_recvmsg 4 48463 NULL -+r8712_usbctrl_vendorreq_48489 r8712_usbctrl_vendorreq 6 48489 NULL -+send_control_msg_48498 send_control_msg 6 48498 NULL -+mlx4_en_create_tx_ring_48501 mlx4_en_create_tx_ring 4 48501 NULL -+count_masked_bytes_48507 count_masked_bytes 0-1 48507 NULL -+diva_os_copy_to_user_48508 diva_os_copy_to_user 4 48508 NULL -+brcmf_sdio_trap_info_48510 brcmf_sdio_trap_info 4 48510 NULL -+phantom_get_free_48514 phantom_get_free 0 48514 NULL -+wiimote_hid_send_48528 wiimote_hid_send 3 48528 NULL -+ext3_splice_branch_48531 ext3_splice_branch 6 48531 NULL -+named_distribute_48544 named_distribute 4 48544 NULL -+raid10_size_48571 raid10_size 0-2-3 48571 NULL -+ufs_dtogd_48616 ufs_dtogd 0-2 48616 NULL -+do_ip_vs_set_ctl_48641 do_ip_vs_set_ctl 4 48641 NULL -+mtd_read_48655 mtd_read 0 48655 NULL -+aes_encrypt_packets_read_48666 aes_encrypt_packets_read 3 48666 NULL -+ore_get_rw_state_48667 ore_get_rw_state 4 48667 NULL -+sm501_create_subdev_48668 sm501_create_subdev 3-4 48668 NULL nohasharray -+sys_setgroups_48668 sys_setgroups 1 48668 &sm501_create_subdev_48668 -+altera_drscan_48698 altera_drscan 2 48698 NULL -+kvm_set_irq_routing_48704 kvm_set_irq_routing 3 48704 NULL -+ath6kl_usb_bmi_read_48745 ath6kl_usb_bmi_read 3 48745 NULL -+ath6kl_regwrite_read_48747 ath6kl_regwrite_read 3 48747 NULL -+l2cap_segment_sdu_48772 l2cap_segment_sdu 4 48772 NULL -+lua_sysfs_write_48797 lua_sysfs_write 6 48797 NULL -+il3945_sta_dbgfs_stats_table_read_48802 il3945_sta_dbgfs_stats_table_read 3 48802 NULL -+twa_change_queue_depth_48808 twa_change_queue_depth 2 48808 NULL -+atomic_counters_read_48827 atomic_counters_read 3 48827 NULL -+efi_memory_uc_48828 efi_memory_uc 1 48828 NULL -+azx_get_position_48841 azx_get_position 0 48841 NULL -+vc_do_resize_48842 vc_do_resize 3-4 48842 NULL -+C_SYSC_pwritev64_48864 C_SYSC_pwritev64 3 48864 NULL nohasharray -+viafb_dvp1_proc_write_48864 viafb_dvp1_proc_write 3 48864 &C_SYSC_pwritev64_48864 -+__ffs_ep0_read_events_48868 __ffs_ep0_read_events 3 48868 NULL -+sys_setgroups16_48882 sys_setgroups16 1 48882 NULL -+ext2_alloc_branch_48889 ext2_alloc_branch 4 48889 NULL -+crypto_cipher_ctxsize_48890 crypto_cipher_ctxsize 0 48890 NULL -+xdi_copy_to_user_48900 xdi_copy_to_user 4 48900 NULL -+msg_hdr_sz_48908 msg_hdr_sz 0 48908 NULL -+gdth_isa_probe_one_48925 gdth_isa_probe_one 1 48925 NULL -+sep_crypto_dma_48937 sep_crypto_dma 0 48937 NULL -+event_heart_beat_read_48961 event_heart_beat_read 3 48961 NULL -+nand_ecc_test_run_48966 nand_ecc_test_run 1 48966 NULL -+vmci_handle_arr_create_48971 vmci_handle_arr_create 1 48971 NULL -+batadv_orig_hash_del_if_48972 batadv_orig_hash_del_if 2 48972 NULL -+_alloc_set_attr_list_48991 _alloc_set_attr_list 4 48991 NULL -+rds_rm_size_48996 rds_rm_size 0-2 48996 NULL -+sel_write_enforce_48998 sel_write_enforce 3 48998 NULL -+filemap_check_errors_49022 filemap_check_errors 0 49022 NULL -+transient_status_49027 transient_status 4 49027 NULL -+ipath_reg_user_mr_49038 ipath_reg_user_mr 2-3 49038 NULL -+setup_msi_irq_49052 setup_msi_irq 3-4 49052 NULL -+ubi_read_49061 ubi_read 0 49061 NULL -+scsi_register_49094 scsi_register 2 49094 NULL -+paging64_walk_addr_nested_49100 paging64_walk_addr_nested 3 49100 NULL -+compat_do_readv_writev_49102 compat_do_readv_writev 4 49102 NULL -+check_exists_49119 check_exists 2 49119 NULL nohasharray -+xfrm_replay_state_esn_len_49119 xfrm_replay_state_esn_len 0 49119 &check_exists_49119 -+pt_read_49136 pt_read 3 49136 NULL -+tipc_multicast_49144 tipc_multicast 5 49144 NULL -+atyfb_setup_generic_49151 atyfb_setup_generic 3 49151 NULL -+ipwireless_tty_received_49154 ipwireless_tty_received 3 49154 NULL -+f2fs_acl_count_49155 f2fs_acl_count 0-1 49155 NULL -+ipw_queue_tx_init_49161 ipw_queue_tx_init 3 49161 NULL -+ext4_free_clusters_after_init_49174 ext4_free_clusters_after_init 2 49174 NULL -+dvb_dvr_ioctl_49182 dvb_dvr_ioctl 2 49182 NULL -+iwl_dbgfs_ucode_general_stats_read_49199 iwl_dbgfs_ucode_general_stats_read 3 49199 NULL -+il4965_rs_sta_dbgfs_stats_table_read_49206 il4965_rs_sta_dbgfs_stats_table_read 3 49206 NULL -+do_jffs2_getxattr_49210 do_jffs2_getxattr 0 49210 NULL -+resp_write_same_49217 resp_write_same 2 49217 NULL -+nouveau_therm_create__49228 nouveau_therm_create_ 4 49228 NULL -+nouveau_i2c_port_create__49237 nouveau_i2c_port_create_ 6 49237 NULL -+hugetlb_cgroup_read_49259 hugetlb_cgroup_read 5 49259 NULL -+ieee80211_if_read_rssi_threshold_49260 ieee80211_if_read_rssi_threshold 3 49260 NULL -+isku_sysfs_read_keys_media_49268 isku_sysfs_read_keys_media 6 49268 NULL -+osd_req_add_get_attr_list_49278 osd_req_add_get_attr_list 3 49278 NULL -+rx_filter_beacon_filter_read_49279 rx_filter_beacon_filter_read 3 49279 NULL -+uio_read_49300 uio_read 3 49300 NULL -+ocfs2_resmap_find_free_bits_49301 ocfs2_resmap_find_free_bits 3 49301 NULL -+isku_sysfs_read_keys_macro_49312 isku_sysfs_read_keys_macro 6 49312 NULL -+SYSC_mincore_49319 SYSC_mincore 1 49319 NULL -+fwtty_port_handler_49327 fwtty_port_handler 9 49327 NULL -+srpt_alloc_ioctx_ring_49330 srpt_alloc_ioctx_ring 2-3-4 49330 NULL -+cfpkt_setlen_49343 cfpkt_setlen 2 49343 NULL -+joydev_ioctl_common_49359 joydev_ioctl_common 2 49359 NULL -+ocfs2_remove_btree_range_49370 ocfs2_remove_btree_range 4-5-3 49370 NULL -+px_raw_event_49371 px_raw_event 4 49371 NULL -+iscsi_alloc_session_49390 iscsi_alloc_session 3 49390 NULL -+applesmc_create_nodes_49392 applesmc_create_nodes 2 49392 NULL -+rx_streaming_always_read_49401 rx_streaming_always_read 3 49401 NULL -+tnode_alloc_49407 tnode_alloc 1 49407 NULL -+samples_to_bytes_49426 samples_to_bytes 0-2 49426 NULL -+md_domain_init_49432 md_domain_init 2 49432 NULL -+compat_do_msg_fill_49440 compat_do_msg_fill 3 49440 NULL -+get_lru_size_49441 get_lru_size 0 49441 NULL -+agp_3_5_isochronous_node_enable_49465 agp_3_5_isochronous_node_enable 3 49465 NULL -+xfs_iformat_local_49472 xfs_iformat_local 4 49472 NULL -+savu_sysfs_read_49473 savu_sysfs_read 6 49473 NULL -+isr_decrypt_done_read_49490 isr_decrypt_done_read 3 49490 NULL -+SyS_listxattr_49519 SyS_listxattr 3 49519 NULL -+emulator_write_phys_49520 emulator_write_phys 2-4 49520 NULL -+acpi_os_ioremap_49523 acpi_os_ioremap 1-2 49523 NULL -+smk_write_access_49561 smk_write_access 3 49561 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 49578 NULL -+tap_write_49595 tap_write 3 49595 NULL -+isr_wakeups_read_49607 isr_wakeups_read 3 49607 NULL -+btrfs_mksubvol_49616 btrfs_mksubvol 3 49616 NULL -+heap_init_49617 heap_init 2 49617 NULL -+smk_write_doi_49621 smk_write_doi 3 49621 NULL -+btrfsic_cmp_log_and_dev_bytenr_49628 btrfsic_cmp_log_and_dev_bytenr 2 49628 NULL -+aa_simple_write_to_buffer_49683 aa_simple_write_to_buffer 3-4 49683 NULL -+SyS_pwritev_49688 SyS_pwritev 3 49688 NULL -+sys_gethostname_49698 sys_gethostname 2 49698 NULL -+cx2341x_ctrl_new_menu_49700 cx2341x_ctrl_new_menu 3 49700 NULL -+dm_thin_insert_block_49720 dm_thin_insert_block 2-3 49720 NULL -+sep_create_dcb_dmatables_context_kernel_49728 sep_create_dcb_dmatables_context_kernel 6 49728 NULL -+sys_fsetxattr_49736 sys_fsetxattr 4 49736 NULL -+check_frame_49741 check_frame 0 49741 NULL -+zd_usb_iowrite16v_49744 zd_usb_iowrite16v 3 49744 NULL -+btrfs_chunk_num_stripes_49751 btrfs_chunk_num_stripes 0 49751 NULL -+fuse_wr_pages_49753 fuse_wr_pages 0-1-2 49753 NULL -+key_conf_keylen_read_49758 key_conf_keylen_read 3 49758 NULL -+fuse_conn_waiting_read_49762 fuse_conn_waiting_read 3 49762 NULL -+isku_sysfs_write_49767 isku_sysfs_write 6-5 49767 NULL -+ceph_osdc_readpages_49789 ceph_osdc_readpages 10-4 49789 NULL -+nfs4_acl_new_49806 nfs4_acl_new 1 49806 NULL -+arch_gnttab_map_status_49812 arch_gnttab_map_status 3 49812 NULL -+ntfs_copy_from_user_iovec_49829 ntfs_copy_from_user_iovec 3-6-0 49829 NULL -+add_uuid_49831 add_uuid 4 49831 NULL -+tcf_csum_ipv4_tcp_49834 tcf_csum_ipv4_tcp 3 49834 NULL -+ath6kl_fwlog_block_read_49836 ath6kl_fwlog_block_read 3 49836 NULL -+twl4030_write_49846 twl4030_write 2 49846 NULL -+scsi_dispatch_cmd_entry_49848 scsi_dispatch_cmd_entry 3 49848 NULL -+timeradd_entry_49850 timeradd_entry 3 49850 NULL -+btrfs_subvolume_reserve_metadata_49859 btrfs_subvolume_reserve_metadata 3 49859 NULL -+sctp_setsockopt_bindx_49870 sctp_setsockopt_bindx 3 49870 NULL -+ceph_get_caps_49890 ceph_get_caps 0 49890 NULL -+__cow_file_range_49901 __cow_file_range 5 49901 NULL -+__copy_from_user_inatomic_nocache_49921 __copy_from_user_inatomic_nocache 3 49921 NULL -+batadv_tt_realloc_packet_buff_49960 batadv_tt_realloc_packet_buff 4 49960 NULL -+b43legacy_pio_read_49978 b43legacy_pio_read 0 49978 NULL -+ieee80211_if_fmt_dtim_count_49987 ieee80211_if_fmt_dtim_count 3 49987 NULL -+sta2x11_swiotlb_alloc_coherent_49994 sta2x11_swiotlb_alloc_coherent 2 49994 NULL -+l2cap_chan_send_49995 l2cap_chan_send 3 49995 NULL -+__module_alloc_50004 __module_alloc 1 50004 NULL -+dn_mss_from_pmtu_50011 dn_mss_from_pmtu 0-2 50011 NULL -+ptrace_readdata_50020 ptrace_readdata 2-4 50020 NULL -+isdn_read_50021 isdn_read 3 50021 NULL -+qp_alloc_queue_50028 qp_alloc_queue 1 50028 NULL -+alloc_ebda_hpc_50046 alloc_ebda_hpc 1-2 50046 NULL -+vmw_surface_destroy_size_50072 vmw_surface_destroy_size 0 50072 NULL -+arch_setup_ht_irq_50073 arch_setup_ht_irq 1 50073 NULL -+dev_set_alias_50084 dev_set_alias 3 50084 NULL -+pcpu_get_vm_areas_50085 pcpu_get_vm_areas 3 50085 NULL -+sock_setsockopt_50088 sock_setsockopt 5 50088 NULL -+altera_swap_dr_50090 altera_swap_dr 2 50090 NULL -+read_file_slot_50111 read_file_slot 3 50111 NULL -+SYSC_preadv_50134 SYSC_preadv 3 50134 NULL -+copy_items_50140 copy_items 6 50140 NULL -+tx_frag_need_fragmentation_read_50153 tx_frag_need_fragmentation_read 3 50153 NULL -+set_cmd_header_50155 set_cmd_header 0 50155 NULL -+reiserfs_bmap_count_50160 reiserfs_bmap_count 0 50160 NULL -+aac_nark_ioremap_50163 aac_nark_ioremap 2 50163 NULL nohasharray -+kmalloc_node_50163 kmalloc_node 1 50163 &aac_nark_ioremap_50163 -+rx_filter_ibss_filter_read_50167 rx_filter_ibss_filter_read 3 50167 NULL -+odev_update_50169 odev_update 2 50169 NULL -+ieee80211_if_fmt_dot11MeshHWMPRannInterval_50172 ieee80211_if_fmt_dot11MeshHWMPRannInterval 3 50172 NULL nohasharray -+ubi_resize_volume_50172 ubi_resize_volume 2 50172 &ieee80211_if_fmt_dot11MeshHWMPRannInterval_50172 -+ib_send_cm_drep_50186 ib_send_cm_drep 3 50186 NULL -+cfg80211_roamed_bss_50198 cfg80211_roamed_bss 4-6 50198 NULL -+rx_rx_timeout_wa_read_50204 rx_rx_timeout_wa_read 3 50204 NULL -+ieee80211_skb_resize_50211 ieee80211_skb_resize 3 50211 NULL -+mon_bin_compat_ioctl_50234 mon_bin_compat_ioctl 3 50234 NULL -+sg_kmalloc_50240 sg_kmalloc 1 50240 NULL -+afs_extract_data_50261 afs_extract_data 5 50261 NULL -+rxrpc_setsockopt_50286 rxrpc_setsockopt 5 50286 NULL -+soc_codec_reg_show_50302 soc_codec_reg_show 0 50302 NULL -+SYSC_flistxattr_50307 SYSC_flistxattr 3 50307 NULL -+SYSC_sched_setaffinity_50310 SYSC_sched_setaffinity 2 50310 NULL -+soc_camera_read_50319 soc_camera_read 3 50319 NULL -+do_launder_page_50329 do_launder_page 0 50329 NULL -+nouveau_engine_create__50331 nouveau_engine_create_ 7 50331 NULL -+lpfc_idiag_pcicfg_read_50334 lpfc_idiag_pcicfg_read 3 50334 NULL -+ocfs2_block_to_cluster_group_50337 ocfs2_block_to_cluster_group 2 50337 NULL nohasharray -+snd_pcm_lib_writev_50337 snd_pcm_lib_writev 0-3 50337 &ocfs2_block_to_cluster_group_50337 -+roccat_common2_send_with_status_50343 roccat_common2_send_with_status 4 50343 NULL -+tpm_read_50344 tpm_read 3 50344 NULL -+sched_clock_remote_50347 sched_clock_remote 0 50347 NULL -+kvm_arch_create_memslot_50354 kvm_arch_create_memslot 2 50354 NULL -+isdn_ppp_read_50356 isdn_ppp_read 4 50356 NULL -+unpack_u16_chunk_50357 unpack_u16_chunk 0 50357 NULL -+xfrm_send_migrate_50365 xfrm_send_migrate 5 50365 NULL -+roccat_common2_receive_50369 roccat_common2_receive 4 50369 NULL -+sl_alloc_bufs_50380 sl_alloc_bufs 2 50380 NULL -+hash_ip6_expire_50390 hash_ip6_expire 3 50390 NULL -+l2tp_ip_sendmsg_50411 l2tp_ip_sendmsg 4 50411 NULL -+ceph_writepages_osd_request_50423 ceph_writepages_osd_request 5 50423 NULL -+iscsi_create_conn_50425 iscsi_create_conn 2 50425 NULL -+validate_acl_mac_addrs_50429 validate_acl_mac_addrs 0 50429 NULL -+btrfs_error_discard_extent_50444 btrfs_error_discard_extent 2 50444 NULL -+calc_csum_metadata_size_50448 calc_csum_metadata_size 0 50448 NULL -+pgctrl_write_50453 pgctrl_write 3 50453 NULL -+force_mapping_50464 force_mapping 2 50464 NULL -+cdrom_read_cdda_50478 cdrom_read_cdda 4 50478 NULL -+mei_io_cb_alloc_req_buf_50493 mei_io_cb_alloc_req_buf 2 50493 NULL -+pwr_rcvd_awake_beacons_read_50505 pwr_rcvd_awake_beacons_read 3 50505 NULL -+fwnet_receive_packet_50537 fwnet_receive_packet 9 50537 NULL -+ath6kl_set_ap_probe_resp_ies_50539 ath6kl_set_ap_probe_resp_ies 3 50539 NULL -+hme_read_desc32_50574 hme_read_desc32 0 50574 NULL -+fat_readpages_50582 fat_readpages 4 50582 NULL -+iwl_dbgfs_missed_beacon_read_50584 iwl_dbgfs_missed_beacon_read 3 50584 NULL -+build_inv_iommu_pages_50589 build_inv_iommu_pages 2-3 50589 NULL -+sge_rx_50594 sge_rx 3 50594 NULL -+rx_rx_checksum_result_read_50617 rx_rx_checksum_result_read 3 50617 NULL -+__ffs_50625 __ffs 0 50625 NULL -+regcache_rbtree_write_50629 regcache_rbtree_write 2 50629 NULL -+simple_transaction_get_50633 simple_transaction_get 3 50633 NULL -+ath6kl_tm_rx_event_50664 ath6kl_tm_rx_event 3 50664 NULL nohasharray -+sys_readv_50664 sys_readv 3 50664 &ath6kl_tm_rx_event_50664 -+bnad_debugfs_read_50665 bnad_debugfs_read 3 50665 NULL -+ext2_try_to_allocate_with_rsv_50669 ext2_try_to_allocate_with_rsv 4-2 50669 NULL -+btmrvl_psstate_read_50683 btmrvl_psstate_read 3 50683 NULL -+swiotlb_free_coherent_50690 swiotlb_free_coherent 4 50690 NULL -+paging32_gva_to_gpa_50696 paging32_gva_to_gpa 2 50696 NULL -+xfs_growfs_get_hdr_buf_50697 xfs_growfs_get_hdr_buf 3 50697 NULL -+blk_check_plugged_50736 blk_check_plugged 3 50736 NULL -+__ext3_get_inode_loc_50744 __ext3_get_inode_loc 0 50744 NULL -+skb_padto_50759 skb_padto 2 50759 NULL -+ocfs2_xattr_block_get_50773 ocfs2_xattr_block_get 0 50773 NULL -+tm6000_read_write_usb_50774 tm6000_read_write_usb 7 50774 NULL -+bio_alloc_map_data_50782 bio_alloc_map_data 1-2 50782 NULL -+tpm_write_50798 tpm_write 3 50798 NULL -+write_flush_50803 write_flush 3 50803 NULL -+dvb_play_50814 dvb_play 3 50814 NULL -+dpcm_show_state_50827 dpcm_show_state 0 50827 NULL -+acpi_ev_install_gpe_block_50829 acpi_ev_install_gpe_block 2 50829 NULL -+SetArea_50835 SetArea 4 50835 NULL nohasharray -+create_mem_extents_50835 create_mem_extents 0 50835 &SetArea_50835 -+videobuf_dma_init_user_50839 videobuf_dma_init_user 3 50839 NULL -+self_check_write_50856 self_check_write 5 50856 NULL -+carl9170_debugfs_write_50857 carl9170_debugfs_write 3 50857 NULL -+SyS_lgetxattr_50889 SyS_lgetxattr 4 50889 NULL -+netlbl_secattr_catmap_walk_rng_50894 netlbl_secattr_catmap_walk_rng 0-2 50894 NULL -+osd_req_write_sg_50908 osd_req_write_sg 5 50908 NULL -+xfs_iext_remove_50909 xfs_iext_remove 3 50909 NULL -+blk_rq_cur_sectors_50910 blk_rq_cur_sectors 0 50910 NULL -+hash_recvmsg_50924 hash_recvmsg 4 50924 NULL -+chd_dec_fetch_cdata_50926 chd_dec_fetch_cdata 3 50926 NULL -+ocfs2_add_refcount_flag_50952 ocfs2_add_refcount_flag 6 50952 NULL -+SyS_setxattr_50957 SyS_setxattr 4 50957 NULL -+iwl_statistics_flag_50981 iwl_statistics_flag 0-3 50981 NULL -+timeout_write_50991 timeout_write 3 50991 NULL -+wm831x_irq_map_50995 wm831x_irq_map 2 50995 NULL -+proc_write_51003 proc_write 3 51003 NULL -+snd_pcm_default_page_ops_51021 snd_pcm_default_page_ops 2 51021 NULL -+lbs_dev_info_51023 lbs_dev_info 3 51023 NULL -+ntfs_attr_find_51028 ntfs_attr_find 0 51028 NULL nohasharray -+fuse_conn_congestion_threshold_read_51028 fuse_conn_congestion_threshold_read 3 51028 &ntfs_attr_find_51028 -+BcmGetSectionValEndOffset_51039 BcmGetSectionValEndOffset 0 51039 NULL -+dump_midi_51040 dump_midi 3 51040 NULL -+srpt_alloc_ioctx_51042 srpt_alloc_ioctx 2-3 51042 NULL -+do_arpt_set_ctl_51053 do_arpt_set_ctl 4 51053 NULL -+wusb_prf_64_51065 wusb_prf_64 7 51065 NULL -+jbd2_journal_init_revoke_51088 jbd2_journal_init_revoke 2 51088 NULL -+solo_enc_v4l2_init_51094 solo_enc_v4l2_init 2 51094 NULL -+__ocfs2_find_path_51096 __ocfs2_find_path 0 51096 NULL -+ti_recv_51110 ti_recv 3 51110 NULL -+dgrp_net_read_51113 dgrp_net_read 3 51113 NULL -+nfs_map_name_to_uid_51132 nfs_map_name_to_uid 3 51132 NULL -+alloc_rtllib_51136 alloc_rtllib 1 51136 NULL -+simple_xattr_set_51140 simple_xattr_set 4 51140 NULL -+set_dirty_51144 set_dirty 3 51144 NULL -+xfs_trans_get_efd_51148 xfs_trans_get_efd 3 51148 NULL -+compat_sys_pwritev64_51151 compat_sys_pwritev64 3 51151 NULL -+blk_bio_map_sg_51213 blk_bio_map_sg 0 51213 NULL -+nf_ct_ext_create_51232 nf_ct_ext_create 3 51232 NULL -+snd_pcm_write_51235 snd_pcm_write 3 51235 NULL -+tipc_send_51238 tipc_send 4 51238 NULL -+drm_property_create_51239 drm_property_create 4 51239 NULL -+st_read_51251 st_read 3 51251 NULL -+compat_dccp_setsockopt_51263 compat_dccp_setsockopt 5 51263 NULL -+dvb_audio_write_51275 dvb_audio_write 3 51275 NULL -+ipwireless_network_packet_received_51277 ipwireless_network_packet_received 4 51277 NULL -+zone_reclaimable_pages_51283 zone_reclaimable_pages 0 51283 NULL -+pvr2_std_id_to_str_51288 pvr2_std_id_to_str 2 51288 NULL -+bnad_debugfs_read_regrd_51308 bnad_debugfs_read_regrd 3 51308 NULL -+get_cell_51316 get_cell 2 51316 NULL -+init_map_ipmac_51317 init_map_ipmac 4-3-5 51317 NULL -+alloc_hippi_dev_51320 alloc_hippi_dev 1 51320 NULL -+ext2_xattr_get_51327 ext2_xattr_get 0 51327 NULL -+alloc_smp_req_51337 alloc_smp_req 1 51337 NULL nohasharray -+compat_arch_ptrace_51337 compat_arch_ptrace 3-4 51337 &alloc_smp_req_51337 -+ipw_get_event_log_len_51341 ipw_get_event_log_len 0 51341 NULL -+ieee80211_if_fmt_estab_plinks_51370 ieee80211_if_fmt_estab_plinks 3 51370 NULL -+radeon_kms_compat_ioctl_51371 radeon_kms_compat_ioctl 2 51371 NULL -+ieee80211_wx_set_gen_ie_51399 ieee80211_wx_set_gen_ie 3 51399 NULL -+ceph_sync_read_51410 ceph_sync_read 3 51410 NULL -+x86_swiotlb_free_coherent_51421 x86_swiotlb_free_coherent 4 51421 NULL -+blk_register_region_51424 blk_register_region 1-2 51424 NULL -+mwifiex_rdeeprom_read_51429 mwifiex_rdeeprom_read 3 51429 NULL -+ieee80211_if_read_dot11MeshHWMPRootMode_51441 ieee80211_if_read_dot11MeshHWMPRootMode 3 51441 NULL -+print_devstats_dot11ACKFailureCount_51443 print_devstats_dot11ACKFailureCount 3 51443 NULL -+____alloc_ei_netdev_51475 ____alloc_ei_netdev 1 51475 NULL -+xfs_buf_get_uncached_51477 xfs_buf_get_uncached 2 51477 NULL -+vaddr_51480 vaddr 0 51480 NULL -+skb_inner_mac_header_51482 skb_inner_mac_header 0 51482 NULL nohasharray -+btrfs_find_space_cluster_51482 btrfs_find_space_cluster 5 51482 &skb_inner_mac_header_51482 -+__cpa_process_fault_51502 __cpa_process_fault 2 51502 NULL -+ieee80211_if_write_uapsd_queues_51526 ieee80211_if_write_uapsd_queues 3 51526 NULL -+load_pdptrs_51541 load_pdptrs 3 51541 NULL -+__alloc_eip_netdev_51549 __alloc_eip_netdev 1 51549 NULL -+icmp_manip_pkt_51560 icmp_manip_pkt 4 51560 NULL -+ixgb_get_eeprom_len_51586 ixgb_get_eeprom_len 0 51586 NULL -+aac_convert_sgraw2_51598 aac_convert_sgraw2 4 51598 NULL -+raw_ioctl_51607 raw_ioctl 3 51607 NULL -+table_size_to_number_of_entries_51613 table_size_to_number_of_entries 0-1 51613 NULL -+gnttab_end_foreign_access_51617 gnttab_end_foreign_access 3 51617 NULL -+dns_resolve_server_name_to_ip_51632 dns_resolve_server_name_to_ip 0 51632 NULL -+sctp_auth_create_key_51641 sctp_auth_create_key 1 51641 NULL -+iscsi_create_session_51647 iscsi_create_session 3 51647 NULL -+get_new_cssid_51665 get_new_cssid 2 51665 NULL -+ps_upsd_utilization_read_51669 ps_upsd_utilization_read 3 51669 NULL -+sctp_setsockopt_associnfo_51684 sctp_setsockopt_associnfo 3 51684 NULL -+sfi_sysfs_install_table_51688 sfi_sysfs_install_table 1 51688 NULL -+host_mapping_level_51696 host_mapping_level 2 51696 NULL -+sel_write_access_51704 sel_write_access 3 51704 NULL -+tty_cdev_add_51714 tty_cdev_add 2-4 51714 NULL -+v9fs_alloc_rdir_buf_51716 v9fs_alloc_rdir_buf 2 51716 NULL -+drm_compat_ioctl_51717 drm_compat_ioctl 2 51717 NULL -+sg_read_oxfer_51724 sg_read_oxfer 3 51724 NULL -+hid_parse_report_51737 hid_parse_report 3 51737 NULL -+get_user_pages_fast_51751 get_user_pages_fast 0-1-2 51751 NULL -+ifx_spi_insert_flip_string_51752 ifx_spi_insert_flip_string 3 51752 NULL -+if_write_51756 if_write 3 51756 NULL -+ioremap_prot_51764 ioremap_prot 1-2 51764 NULL -+iio_buffer_add_channel_sysfs_51766 iio_buffer_add_channel_sysfs 0 51766 NULL -+to_ratio_51809 to_ratio 2-1 51809 NULL -+qib_alloc_devdata_51819 qib_alloc_devdata 2 51819 NULL -+buffer_from_user_51826 buffer_from_user 3 51826 NULL -+ioread32_51847 ioread32 0 51847 NULL nohasharray -+read_file_tgt_tx_stats_51847 read_file_tgt_tx_stats 3 51847 &ioread32_51847 -+do_readv_writev_51849 do_readv_writev 4 51849 NULL -+SYSC_sendto_51852 SYSC_sendto 6 51852 NULL -+pointer_size_read_51863 pointer_size_read 3 51863 NULL -+mlx4_alloc_db_from_pgdir_51865 mlx4_alloc_db_from_pgdir 3 51865 NULL -+get_indirect_ea_51869 get_indirect_ea 4 51869 NULL -+user_read_51881 user_read 3 51881 NULL -+memblock_alloc_51884 memblock_alloc 1-2 51884 NULL -+dbAdjCtl_51888 dbAdjCtl 0 51888 NULL -+virt_to_phys_51896 virt_to_phys 0 51896 NULL -+wmi_set_ie_51919 wmi_set_ie 3 51919 NULL -+dbg_status_buf_51930 dbg_status_buf 2 51930 NULL -+__tcp_mtu_to_mss_51938 __tcp_mtu_to_mss 0-2 51938 NULL -+xfrm_alg_len_51940 xfrm_alg_len 0 51940 NULL -+irq_dispose_mapping_51941 irq_dispose_mapping 1 51941 NULL -+scsi_get_vpd_page_51951 scsi_get_vpd_page 4 51951 NULL -+arizona_free_irq_51969 arizona_free_irq 2 51969 NULL nohasharray -+snd_mask_min_51969 snd_mask_min 0 51969 &arizona_free_irq_51969 -+ath6kl_sdio_alloc_prep_scat_req_51986 ath6kl_sdio_alloc_prep_scat_req 2 51986 NULL -+dwc3_mode_write_51997 dwc3_mode_write 3 51997 NULL -+skb_copy_datagram_from_iovec_52014 skb_copy_datagram_from_iovec 4-2-5 52014 NULL -+rdmalt_52022 rdmalt 0 52022 NULL -+vxge_rx_alloc_52024 vxge_rx_alloc 3 52024 NULL -+override_release_52032 override_release 2 52032 NULL -+end_port_52042 end_port 0 52042 NULL -+dma_rx_errors_read_52045 dma_rx_errors_read 3 52045 NULL -+msnd_fifo_write_52052 msnd_fifo_write 0-3 52052 NULL -+dvb_ringbuffer_avail_52057 dvb_ringbuffer_avail 0 52057 NULL -+__fuse_request_alloc_52060 __fuse_request_alloc 1 52060 NULL -+isofs_readpages_52067 isofs_readpages 4 52067 NULL -+nsm_get_handle_52089 nsm_get_handle 4 52089 NULL -+o2net_debug_read_52105 o2net_debug_read 3 52105 NULL -+smsdvb_stats_read_52114 smsdvb_stats_read 3 52114 NULL -+retry_count_read_52129 retry_count_read 3 52129 NULL -+zram_meta_alloc_52140 zram_meta_alloc 1 52140 NULL -+hysdn_conf_write_52145 hysdn_conf_write 3 52145 NULL nohasharray -+ext2_alloc_blocks_52145 ext2_alloc_blocks 2 52145 &hysdn_conf_write_52145 -+htable_size_52148 htable_size 0-1 52148 NULL -+__le16_to_cpup_52155 __le16_to_cpup 0 52155 NULL nohasharray -+smk_write_load2_52155 smk_write_load2 3 52155 &__le16_to_cpup_52155 -+alix_present_52165 alix_present 1 52165 NULL -+ieee80211_if_read_dot11MeshRetryTimeout_52168 ieee80211_if_read_dot11MeshRetryTimeout 3 52168 NULL -+mga_compat_ioctl_52170 mga_compat_ioctl 2 52170 NULL -+print_prefix_52176 print_prefix 0 52176 NULL -+proc_pid_readlink_52186 proc_pid_readlink 3 52186 NULL -+vmci_qp_broker_alloc_52216 vmci_qp_broker_alloc 5-6 52216 NULL -+do_dmabuf_dirty_ldu_52241 do_dmabuf_dirty_ldu 6 52241 NULL -+fuse_request_alloc_52243 fuse_request_alloc 1 52243 NULL -+pm80x_request_irq_52250 pm80x_request_irq 2 52250 NULL -+mdiobus_alloc_size_52259 mdiobus_alloc_size 1 52259 NULL -+shrink_slab_52261 shrink_slab 2-3 52261 NULL -+hva_to_pfn_slow_52262 hva_to_pfn_slow 1 52262 NULL -+sisusbcon_do_font_op_52271 sisusbcon_do_font_op 9 52271 NULL -+atomic64_read_52300 atomic64_read 0 52300 NULL -+ath6kl_wmi_get_new_buf_52304 ath6kl_wmi_get_new_buf 1 52304 NULL -+read_file_reset_52310 read_file_reset 3 52310 NULL -+request_asymmetric_key_52317 request_asymmetric_key 2-4 52317 NULL -+hwflags_read_52318 hwflags_read 3 52318 NULL -+ntfs_rl_split_52328 ntfs_rl_split 2-4 52328 NULL -+test_unaligned_bulk_52333 test_unaligned_bulk 3 52333 NULL -+compat_SyS_preadv64_52351 compat_SyS_preadv64 3 52351 NULL -+bytes_to_frames_52362 bytes_to_frames 0-2 52362 NULL -+copy_entries_to_user_52367 copy_entries_to_user 1 52367 NULL -+mq_emit_config_values_52378 mq_emit_config_values 3 52378 NULL -+isdn_writebuf_stub_52383 isdn_writebuf_stub 4 52383 NULL -+jfs_setxattr_52389 jfs_setxattr 4 52389 NULL -+aer_inject_write_52399 aer_inject_write 3 52399 NULL -+aac_rx_ioremap_52410 aac_rx_ioremap 2 52410 NULL -+cgroup_file_write_52417 cgroup_file_write 3 52417 NULL -+line6_midibuf_init_52425 line6_midibuf_init 2 52425 NULL -+delay_status_52431 delay_status 5 52431 NULL -+ieee80211_if_fmt_num_sta_ps_52438 ieee80211_if_fmt_num_sta_ps 3 52438 NULL -+nl80211_send_mgmt_tx_status_52445 nl80211_send_mgmt_tx_status 5 52445 NULL -+ieee80211_alloc_txb_52477 ieee80211_alloc_txb 1-2 52477 NULL -+ocfs2_extend_no_holes_52483 ocfs2_extend_no_holes 3-4 52483 NULL -+fd_do_rw_52495 fd_do_rw 3 52495 NULL nohasharray -+skb_cow_head_52495 skb_cow_head 2 52495 &fd_do_rw_52495 -+qib_user_sdma_pin_pages_52498 qib_user_sdma_pin_pages 3-5 52498 NULL -+int_tasklet_entry_52500 int_tasklet_entry 3 52500 NULL -+qlcnic_83xx_sysfs_flash_write_52507 qlcnic_83xx_sysfs_flash_write 4 52507 NULL -+pm_qos_power_write_52513 pm_qos_power_write 3 52513 NULL -+dup_variable_bug_52525 dup_variable_bug 3 52525 NULL -+from_oblock_52546 from_oblock 0-1 52546 NULL -+dccpprobe_read_52549 dccpprobe_read 3 52549 NULL -+ocfs2_make_right_split_rec_52562 ocfs2_make_right_split_rec 3 52562 NULL -+emit_code_52583 emit_code 0-3 52583 NULL -+isku_sysfs_read_macro_52587 isku_sysfs_read_macro 6 52587 NULL -+tps80031_writes_52638 tps80031_writes 3-4 52638 NULL -+brcmf_sdio_assert_info_52653 brcmf_sdio_assert_info 4 52653 NULL -+SYSC_gethostname_52677 SYSC_gethostname 2 52677 NULL -+nvd0_disp_pioc_create__52693 nvd0_disp_pioc_create_ 5 52693 NULL -+nouveau_client_create__52715 nouveau_client_create_ 5 52715 NULL -+cx25840_ir_rx_read_52724 cx25840_ir_rx_read 3 52724 NULL -+blkcipher_next_slow_52733 blkcipher_next_slow 3-4 52733 NULL -+relay_alloc_page_array_52735 relay_alloc_page_array 1 52735 NULL -+carl9170_debugfs_vif_dump_read_52755 carl9170_debugfs_vif_dump_read 3 52755 NULL -+ieee80211_if_read_beacon_timeout_52756 ieee80211_if_read_beacon_timeout 3 52756 NULL -+copy_ctr_args_52761 copy_ctr_args 2 52761 NULL -+pwr_rcvd_beacons_read_52836 pwr_rcvd_beacons_read 3 52836 NULL -+ext2_xattr_set_acl_52857 ext2_xattr_set_acl 4 52857 NULL -+mon_bin_get_event_52863 mon_bin_get_event 4 52863 NULL -+twlreg_write_52880 twlreg_write 3 52880 NULL -+pvr2_ctrl_value_to_sym_internal_52881 pvr2_ctrl_value_to_sym_internal 5 52881 NULL -+cache_read_procfs_52882 cache_read_procfs 3 52882 NULL -+kvm_kvzalloc_52894 kvm_kvzalloc 1 52894 NULL -+arizona_request_irq_52908 arizona_request_irq 2 52908 NULL -+__kfifo_out_peek_r_52919 __kfifo_out_peek_r 3 52919 NULL -+iblock_get_bio_52936 iblock_get_bio 3 52936 NULL nohasharray -+__iio_device_attr_init_52936 __iio_device_attr_init 0 52936 &iblock_get_bio_52936 -+__nodes_remap_52951 __nodes_remap 5 52951 NULL -+send_packet_52960 send_packet 4 52960 NULL -+ieee80211_if_fmt_fwded_mcast_52961 ieee80211_if_fmt_fwded_mcast 3 52961 NULL -+hx8357_spi_write_then_read_52964 hx8357_spi_write_then_read 3 52964 NULL nohasharray -+compat_sock_ioctl_52964 compat_sock_ioctl 3 52964 &hx8357_spi_write_then_read_52964 -+tx_tx_exch_read_52986 tx_tx_exch_read 3 52986 NULL -+num_node_state_52989 num_node_state 0 52989 NULL -+batadv_check_management_packet_52993 batadv_check_management_packet 3 52993 NULL -+efivarfs_file_write_53000 efivarfs_file_write 3 53000 NULL -+btrfs_free_and_pin_reserved_extent_53016 btrfs_free_and_pin_reserved_extent 2 53016 NULL -+tx_tx_exch_pending_read_53018 tx_tx_exch_pending_read 3 53018 NULL -+ext4_meta_bg_first_group_53031 ext4_meta_bg_first_group 0-2 53031 NULL -+bio_cur_bytes_53037 bio_cur_bytes 0 53037 NULL -+regcache_lzo_block_count_53056 regcache_lzo_block_count 0 53056 NULL -+cfi_read_query_53066 cfi_read_query 0 53066 NULL -+mwifiex_debug_read_53074 mwifiex_debug_read 3 53074 NULL -+qib_resize_cq_53090 qib_resize_cq 2 53090 NULL -+verity_status_53120 verity_status 5 53120 NULL -+brcmf_usb_dl_cmd_53130 brcmf_usb_dl_cmd 4 53130 NULL -+ps_poll_ps_poll_max_ap_turn_read_53140 ps_poll_ps_poll_max_ap_turn_read 3 53140 NULL -+ieee80211_bss_info_update_53170 ieee80211_bss_info_update 4 53170 NULL -+btrfs_io_bio_alloc_53179 btrfs_io_bio_alloc 2 53179 NULL -+clear_capture_buf_53192 clear_capture_buf 2 53192 NULL -+mtdoops_erase_block_53206 mtdoops_erase_block 2 53206 NULL -+fixup_user_fault_53210 fixup_user_fault 3 53210 NULL -+tx_tx_start_data_read_53219 tx_tx_start_data_read 3 53219 NULL -+rbd_obj_method_sync_53252 rbd_obj_method_sync 8 53252 NULL -+xfs_trans_read_buf_map_53258 xfs_trans_read_buf_map 5 53258 NULL -+wil_write_file_ssid_53266 wil_write_file_ssid 3 53266 NULL -+btrfs_file_extent_num_bytes_53269 btrfs_file_extent_num_bytes 0 53269 NULL -+isku_sysfs_write_key_mask_53305 isku_sysfs_write_key_mask 6 53305 NULL -+batadv_interface_rx_53325 batadv_interface_rx 4 53325 NULL -+gsm_control_reply_53333 gsm_control_reply 4 53333 NULL -+vm_mmap_53339 vm_mmap 0 53339 NULL -+sock_setbindtodevice_53369 sock_setbindtodevice 3 53369 NULL -+get_random_bytes_arch_53370 get_random_bytes_arch 2 53370 NULL -+iwl_pcie_txq_alloc_53413 iwl_pcie_txq_alloc 3 53413 NULL -+isr_cmd_cmplt_read_53439 isr_cmd_cmplt_read 3 53439 NULL -+mwifiex_info_read_53447 mwifiex_info_read 3 53447 NULL -+apei_exec_run_optional_53452 apei_exec_run_optional 0 53452 NULL -+acpi_tb_parse_root_table_53455 acpi_tb_parse_root_table 1 53455 NULL -+n2_run_53459 n2_run 3 53459 NULL -+paging64_prefetch_gpte_53468 paging64_prefetch_gpte 4 53468 NULL -+rds_tcp_data_recv_53476 rds_tcp_data_recv 3 53476 NULL -+iowarrior_read_53483 iowarrior_read 3 53483 NULL -+osd_req_write_kern_53486 osd_req_write_kern 5 53486 NULL -+do_verify_xattr_datum_53499 do_verify_xattr_datum 0 53499 NULL -+snd_pcm_format_physical_width_53505 snd_pcm_format_physical_width 0 53505 NULL -+dbAllocNext_53506 dbAllocNext 0 53506 NULL -+ocfs2_xattr_set_acl_53508 ocfs2_xattr_set_acl 4 53508 NULL -+check_acl_53512 check_acl 0 53512 NULL -+alloc_pages_exact_nid_53515 alloc_pages_exact_nid 2 53515 NULL -+SYSC_bind_53582 SYSC_bind 3 53582 NULL nohasharray -+set_registers_53582 set_registers 3 53582 &SYSC_bind_53582 -+cifs_utf16_bytes_53593 cifs_utf16_bytes 0 53593 NULL -+gfn_to_pfn_async_53597 gfn_to_pfn_async 2 53597 NULL -+___alloc_bootmem_nopanic_53626 ___alloc_bootmem_nopanic 1-2 53626 NULL -+xd_write_multiple_pages_53633 xd_write_multiple_pages 6-5 53633 NULL -+ccid_getsockopt_builtin_ccids_53634 ccid_getsockopt_builtin_ccids 2 53634 NULL -+nr_sendmsg_53656 nr_sendmsg 4 53656 NULL -+_preload_range_53676 _preload_range 2-3 53676 NULL -+lowpan_fragment_xmit_53680 lowpan_fragment_xmit 3-4 53680 NULL -+fuse_fill_write_pages_53682 fuse_fill_write_pages 4 53682 NULL -+v4l2_event_subscribe_53687 v4l2_event_subscribe 3 53687 NULL 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53981 NULL -+ieee80211_if_fmt_dot11MeshHWMPperrMinInterval_53998 ieee80211_if_fmt_dot11MeshHWMPperrMinInterval 3 53998 NULL -+snd_pcm_lib_write_transfer_54018 snd_pcm_lib_write_transfer 4-2-5 54018 NULL -+cmpk_message_handle_tx_54024 cmpk_message_handle_tx 4 54024 NULL -+ipxrtr_route_packet_54036 ipxrtr_route_packet 4 54036 NULL -+pipeline_dec_packet_out_read_54052 pipeline_dec_packet_out_read 3 54052 NULL -+nl80211_send_disconnected_54056 nl80211_send_disconnected 5 54056 NULL -+rproc_state_read_54057 rproc_state_read 3 54057 NULL -+btrfs_start_transaction_54066 btrfs_start_transaction 2 54066 NULL -+_malloc_54077 _malloc 1 54077 NULL -+bitmap_bitremap_54096 bitmap_bitremap 4 54096 NULL -+altera_set_ir_pre_54103 altera_set_ir_pre 2 54103 NULL -+create_xattr_54106 create_xattr 5 54106 NULL -+inc_zcache_pers_zbytes_54107 inc_zcache_pers_zbytes 1 54107 NULL -+strn_len_54122 strn_len 0 54122 NULL -+isku_receive_54130 isku_receive 4 54130 NULL -+isr_host_acknowledges_read_54136 isr_host_acknowledges_read 3 54136 NULL -+i2400m_zrealloc_2x_54166 i2400m_zrealloc_2x 3 54166 NULL nohasharray -+memcpy_toiovec_54166 memcpy_toiovec 3 54166 &i2400m_zrealloc_2x_54166 -+nouveau_falcon_create__54169 nouveau_falcon_create_ 8 54169 NULL -+acpi_os_read_memory_54186 acpi_os_read_memory 1-3 54186 NULL -+SyS_ipc_54206 SyS_ipc 3 54206 NULL -+__register_chrdev_54223 __register_chrdev 2-3 54223 NULL -+_format_mac_addr_54229 _format_mac_addr 2-0 54229 NULL -+pi_read_regr_54231 pi_read_regr 0 54231 NULL -+reada_add_block_54247 reada_add_block 2 54247 NULL -+xfs_dir2_sf_addname_hard_54254 xfs_dir2_sf_addname_hard 3 54254 NULL -+ceph_msgpool_get_54258 ceph_msgpool_get 2 54258 NULL -+wusb_prf_54261 wusb_prf 7 54261 NULL nohasharray -+audio_write_54261 audio_write 4 54261 &wusb_prf_54261 -+mwifiex_getlog_read_54269 mwifiex_getlog_read 3 54269 NULL -+ubi_calc_data_len_54279 ubi_calc_data_len 0-3 54279 NULL -+altera_set_dr_post_54291 altera_set_dr_post 2 54291 NULL -+dlm_alloc_pagevec_54296 dlm_alloc_pagevec 1 54296 NULL -+get_iovec_page_array_54298 get_iovec_page_array 6 54298 NULL -+sprintf_54306 sprintf 0 54306 NULL -+irq_domain_associate_many_54307 irq_domain_associate_many 2 54307 NULL -+br_fdb_fillbuf_54339 br_fdb_fillbuf 0 54339 NULL -+__alloc_dev_table_54343 __alloc_dev_table 2 54343 NULL -+__get_free_pages_54352 __get_free_pages 0 54352 NULL nohasharray -+_osd_realloc_seg_54352 _osd_realloc_seg 3 54352 &__get_free_pages_54352 -+tcf_hash_create_54360 tcf_hash_create 4 54360 NULL -+read_file_credit_dist_stats_54367 read_file_credit_dist_stats 3 54367 NULL -+vfs_readlink_54368 vfs_readlink 3 54368 NULL -+do_dccp_setsockopt_54377 do_dccp_setsockopt 5 54377 NULL nohasharray -+intel_sdvo_write_cmd_54377 intel_sdvo_write_cmd 4 54377 &do_dccp_setsockopt_54377 -+ah_alloc_tmp_54378 ah_alloc_tmp 3-2 54378 NULL -+gart_unmap_page_54379 gart_unmap_page 2-3 54379 NULL -+snd_pcm_oss_read2_54387 snd_pcm_oss_read2 0-3 54387 NULL -+i386_mmap_check_54388 i386_mmap_check 0 54388 NULL -+__do_krealloc_54389 __do_krealloc 2 54389 NULL -+iwl_dbgfs_power_save_status_read_54392 iwl_dbgfs_power_save_status_read 3 54392 NULL -+copy_gadget_strings_54417 copy_gadget_strings 2-3 54417 NULL -+swiotlb_tbl_sync_single_54486 swiotlb_tbl_sync_single 2 54486 NULL -+simple_strtoull_54493 simple_strtoull 0 54493 NULL -+swiotlb_tbl_map_single_54495 swiotlb_tbl_map_single 3-0 54495 NULL -+btrfs_ordered_sum_size_54509 btrfs_ordered_sum_size 0-2 54509 NULL -+cgroup_write_X64_54514 cgroup_write_X64 5 54514 NULL nohasharray -+xen_bus_to_phys_54514 xen_bus_to_phys 0 54514 &cgroup_write_X64_54514 -+rfc4106_set_key_54519 rfc4106_set_key 3 54519 NULL -+vmci_transport_dgram_enqueue_54525 vmci_transport_dgram_enqueue 4 54525 NULL -+viacam_read_54526 viacam_read 3 54526 NULL -+unix_dgram_connect_54535 unix_dgram_connect 3 54535 NULL -+setsockopt_54539 setsockopt 5 54539 NULL -+mwifiex_usb_submit_rx_urb_54558 mwifiex_usb_submit_rx_urb 2 54558 NULL -+SYSC_setsockopt_54561 SYSC_setsockopt 5 54561 NULL -+nfsd_vfs_write_54577 nfsd_vfs_write 6 54577 NULL -+fw_iso_buffer_init_54582 fw_iso_buffer_init 3 54582 NULL -+nvme_npages_54601 nvme_npages 0-1 54601 NULL -+fwSendNullPacket_54618 fwSendNullPacket 2 54618 NULL -+irq_timeout_read_54653 irq_timeout_read 3 54653 NULL -+dns_resolver_read_54658 dns_resolver_read 3 54658 NULL -+twl6030_interrupt_mask_54659 twl6030_interrupt_mask 2 54659 NULL -+kvm_read_cr3_54662 kvm_read_cr3 0 54662 NULL -+bio_kmalloc_54672 bio_kmalloc 2 54672 NULL -+vring_new_virtqueue_54673 vring_new_virtqueue 2 54673 NULL -+evm_read_key_54674 evm_read_key 3 54674 NULL -+resource_string_54699 resource_string 0 54699 NULL -+platform_get_irq_byname_54700 platform_get_irq_byname 0 54700 NULL -+rfkill_fop_read_54711 rfkill_fop_read 3 54711 NULL nohasharray -+compat_SyS_readv_54711 compat_SyS_readv 3 54711 &rfkill_fop_read_54711 -+_add_sg_continuation_descriptor_54721 _add_sg_continuation_descriptor 3 54721 NULL 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ext3_acl_from_disk 2 54839 &nouveau_engctx_create__54839 -+ufx_ops_write_54848 ufx_ops_write 3 54848 NULL -+printer_read_54851 printer_read 3 54851 NULL -+qib_reg_user_mr_54858 qib_reg_user_mr 2-3 54858 NULL -+alloc_ep_req_54860 alloc_ep_req 2 54860 NULL -+broadsheet_spiflash_rewrite_sector_54864 broadsheet_spiflash_rewrite_sector 2 54864 NULL -+prism_build_supp_rates_54865 prism_build_supp_rates 0 54865 NULL -+tcf_csum_ipv6_tcp_54877 tcf_csum_ipv6_tcp 4 54877 NULL -+iscsi_pool_init_54913 iscsi_pool_init 2-4 54913 NULL -+btrfs_stack_chunk_num_stripes_54923 btrfs_stack_chunk_num_stripes 0 54923 NULL -+mxms_structlen_54939 mxms_structlen 0 54939 NULL -+add_port_54941 add_port 2 54941 NULL -+virtblk_add_buf_wait_54943 virtblk_add_buf_wait 3-4 54943 NULL -+wl12xx_cmd_build_probe_req_54946 wl12xx_cmd_build_probe_req 6-8 54946 NULL -+ath9k_dump_btcoex_54949 ath9k_dump_btcoex 0 54949 NULL -+c4_add_card_54968 c4_add_card 3 54968 NULL -+iwl_pcie_dump_fh_54975 iwl_pcie_dump_fh 0 54975 NULL -+__proc_file_read_54978 __proc_file_read 3 54978 NULL -+ext3_xattr_get_54989 ext3_xattr_get 0 54989 NULL -+Bus_to_Virtual_54991 Bus_to_Virtual 1 54991 NULL -+mem_cgroup_get_lru_size_55008 mem_cgroup_get_lru_size 0 55008 NULL -+cx231xx_v4l2_read_55014 cx231xx_v4l2_read 3 55014 NULL -+paging32_get_level1_sp_gpa_55022 paging32_get_level1_sp_gpa 0 55022 NULL -+error_error_null_Frame_tx_start_read_55024 error_error_null_Frame_tx_start_read 3 55024 NULL -+__netdev_alloc_skb_ip_align_55067 __netdev_alloc_skb_ip_align 2 55067 NULL -+apei_exec_run_55075 apei_exec_run 0 55075 NULL -+bitmap_storage_alloc_55077 bitmap_storage_alloc 2 55077 NULL -+hx8357_spi_write_array_55095 hx8357_spi_write_array 3 55095 NULL -+rxpipe_beacon_buffer_thres_host_int_trig_rx_data_read_55106 rxpipe_beacon_buffer_thres_host_int_trig_rx_data_read 3 55106 NULL -+corrupt_data_55120 corrupt_data 0 55120 NULL -+crypto_ahash_setkey_55134 crypto_ahash_setkey 3 55134 NULL -+ocfs2_prepare_refcount_change_for_del_55137 ocfs2_prepare_refcount_change_for_del 3 55137 NULL nohasharray -+filldir_55137 filldir 3 55137 &ocfs2_prepare_refcount_change_for_del_55137 -+ocfs2_truncate_file_55148 ocfs2_truncate_file 3 55148 NULL -+ieee80211_if_read_uapsd_queues_55150 ieee80211_if_read_uapsd_queues 3 55150 NULL -+mtd_get_fact_prot_info_55186 mtd_get_fact_prot_info 0 55186 NULL -+sel_write_relabel_55195 sel_write_relabel 3 55195 NULL -+sched_feat_write_55202 sched_feat_write 3 55202 NULL -+ht40allow_map_read_55209 ht40allow_map_read 3 55209 NULL -+__kfifo_dma_out_prepare_r_55211 __kfifo_dma_out_prepare_r 4-5 55211 NULL -+do_raw_setsockopt_55215 do_raw_setsockopt 5 55215 NULL -+qxl_alloc_client_monitors_config_55216 qxl_alloc_client_monitors_config 2 55216 NULL -+nouveau_mc_create__55217 nouveau_mc_create_ 4 55217 NULL -+dump_command_55220 dump_command 1 55220 NULL -+dbAllocDmap_55227 dbAllocDmap 0 55227 NULL -+tipc_port_reject_sections_55229 tipc_port_reject_sections 5 55229 NULL -+hash_netport6_expire_55232 hash_netport6_expire 3 55232 NULL -+register_unifi_sdio_55239 register_unifi_sdio 2 55239 NULL -+memcpy_fromiovec_55247 memcpy_fromiovec 3 55247 NULL -+persistent_ram_new_55286 persistent_ram_new 1-2 55286 NULL -+ptrace_request_55288 ptrace_request 3-4 55288 NULL -+rx_streaming_interval_read_55291 rx_streaming_interval_read 3 55291 NULL -+gsm_control_modem_55303 gsm_control_modem 3 55303 NULL -+qp_alloc_guest_work_55305 qp_alloc_guest_work 3-5 55305 NULL nohasharray -+__get_vm_area_node_55305 __get_vm_area_node 1 55305 &qp_alloc_guest_work_55305 -+do_shmat_55336 do_shmat 5 55336 NULL -+vme_user_read_55338 vme_user_read 3 55338 NULL -+sctp_datamsg_from_user_55342 sctp_datamsg_from_user 4 55342 NULL nohasharray -+__wa_xfer_setup_sizes_55342 __wa_xfer_setup_sizes 0 55342 &sctp_datamsg_from_user_55342 -+__memblock_alloc_base_55359 __memblock_alloc_base 1-2 55359 NULL -+acpi_system_read_event_55362 acpi_system_read_event 3 55362 NULL -+nf_nat_ipv4_manip_pkt_55387 nf_nat_ipv4_manip_pkt 2 55387 NULL -+iwl_dbgfs_plcp_delta_read_55407 iwl_dbgfs_plcp_delta_read 3 55407 NULL -+si476x_radio_read_rds_blckcnt_blob_55427 si476x_radio_read_rds_blckcnt_blob 3 55427 NULL -+alloc_skb_55439 alloc_skb 1 55439 NULL -+__vxge_hw_channel_allocate_55462 __vxge_hw_channel_allocate 3 55462 NULL -+isdnhdlc_decode_55466 isdnhdlc_decode 0 55466 NULL -+cx23888_ir_rx_read_55473 cx23888_ir_rx_read 3 55473 NULL -+batadv_unicast_push_and_fill_skb_55474 batadv_unicast_push_and_fill_skb 2 55474 NULL -+snd_pcm_lib_write_55483 snd_pcm_lib_write 0-3 55483 NULL -+i2o_pool_alloc_55485 i2o_pool_alloc 4 55485 NULL -+ocfs2_rec_clusters_55501 ocfs2_rec_clusters 0 55501 NULL -+ext4_flex_bg_size_55502 ext4_flex_bg_size 0 55502 NULL -+cfpkt_pad_trail_55511 cfpkt_pad_trail 2 55511 NULL nohasharray -+tx_tx_done_int_template_read_55511 tx_tx_done_int_template_read 3 55511 &cfpkt_pad_trail_55511 -+ea_get_55522 ea_get 0 55522 NULL -+buffer_size_55534 buffer_size 0 55534 NULL -+set_msr_interception_55538 set_msr_interception 2 55538 NULL -+tty_port_register_device_55543 tty_port_register_device 3 55543 NULL -+hash_netport4_expire_55584 hash_netport4_expire 3 55584 NULL -+add_partition_55588 add_partition 2 55588 NULL -+SyS_keyctl_55602 SyS_keyctl 4 55602 NULL -+free_pages_55603 free_pages 1 55603 NULL -+macvtap_put_user_55609 macvtap_put_user 4 55609 NULL -+selinux_setprocattr_55611 selinux_setprocattr 4 55611 NULL -+edge_tty_recv_55622 edge_tty_recv 3 55622 NULL -+reiserfs_xattr_get_55628 reiserfs_xattr_get 0 55628 NULL nohasharray -+pktgen_if_write_55628 pktgen_if_write 3 55628 &reiserfs_xattr_get_55628 -+dvb_dmxdev_set_buffer_size_55643 dvb_dmxdev_set_buffer_size 2 55643 NULL -+mlx4_buddy_alloc_55647 mlx4_buddy_alloc 2 55647 NULL -+xfs_bmbt_maxrecs_55649 xfs_bmbt_maxrecs 0-2 55649 NULL -+ib_umad_compat_ioctl_55650 ib_umad_compat_ioctl 3 55650 NULL -+cfg80211_send_rx_assoc_55651 cfg80211_send_rx_assoc 4 55651 NULL -+read_oldmem_55658 read_oldmem 3 55658 NULL -+lpfc_idiag_queinfo_read_55662 lpfc_idiag_queinfo_read 3 55662 NULL -+il_dbgfs_tx_queue_read_55668 il_dbgfs_tx_queue_read 3 55668 NULL -+get_info_55681 get_info 3 55681 NULL -+wil_vring_alloc_skb_55703 wil_vring_alloc_skb 4 55703 NULL -+__videobuf_alloc_uncached_55711 __videobuf_alloc_uncached 1 55711 NULL -+pm8001_store_update_fw_55716 pm8001_store_update_fw 4 55716 NULL -+mtdswap_init_55719 mtdswap_init 2 55719 NULL -+tap_pwup_write_55723 tap_pwup_write 3 55723 NULL -+__iio_allocate_kfifo_55738 __iio_allocate_kfifo 2 55738 NULL -+set_local_name_55757 set_local_name 4 55757 NULL -+strlen_55778 strlen 0 55778 NULL -+set_spte_55783 set_spte 5-4 55783 NULL -+req_bio_endio_55786 req_bio_endio 3 55786 NULL nohasharray -+conf_read_55786 conf_read 3 55786 &req_bio_endio_55786 -+uwb_rc_neh_grok_event_55799 uwb_rc_neh_grok_event 3 55799 NULL -+sb16_copy_from_user_55836 sb16_copy_from_user 10-6-7 55836 NULL -+ip_hdrlen_55849 ip_hdrlen 0 55849 NULL -+hcd_alloc_coherent_55862 hcd_alloc_coherent 5 55862 NULL -+shmem_setxattr_55867 shmem_setxattr 4 55867 NULL -+hsc_write_55875 hsc_write 3 55875 NULL -+pm_qos_power_read_55891 pm_qos_power_read 3 55891 NULL -+snd_pcm_hw_param_value_min_55917 snd_pcm_hw_param_value_min 0 55917 NULL -+paging64_page_fault_55942 paging64_page_fault 2 55942 NULL -+sel_read_policy_55947 sel_read_policy 3 55947 NULL -+ceph_get_direct_page_vector_55956 ceph_get_direct_page_vector 2 55956 NULL -+simple_read_from_buffer_55957 simple_read_from_buffer 2-5 55957 NULL -+tx_tx_imm_resp_read_55964 tx_tx_imm_resp_read 3 55964 NULL -+ssb_bus_pcmciabus_register_56020 ssb_bus_pcmciabus_register 3 56020 NULL -+nvme_alloc_iod_56027 nvme_alloc_iod 1-2 56027 NULL -+dccp_sendmsg_56058 dccp_sendmsg 4 56058 NULL -+__set_discard_56081 __set_discard 2 56081 NULL -+pscsi_get_bio_56103 pscsi_get_bio 1 56103 NULL -+usb_alloc_stream_buffers_56123 usb_alloc_stream_buffers 3 56123 NULL -+kmem_zalloc_large_56128 kmem_zalloc_large 1 56128 NULL -+sel_read_handle_status_56139 sel_read_handle_status 3 56139 NULL -+map_addr_56144 map_addr 7 56144 NULL -+__i2c_transfer_56162 __i2c_transfer 0 56162 NULL -+rawv6_setsockopt_56165 rawv6_setsockopt 5 56165 NULL -+create_irq_nr_56180 create_irq_nr 1 56180 NULL -+ath9k_dump_legacy_btcoex_56194 ath9k_dump_legacy_btcoex 0 56194 NULL -+skb_headroom_56200 skb_headroom 0 56200 NULL -+usb_dump_iad_descriptor_56204 usb_dump_iad_descriptor 0 56204 NULL -+ncp_read_bounce_size_56221 ncp_read_bounce_size 0-1 56221 NULL -+vring_add_indirect_56222 vring_add_indirect 4 56222 NULL -+ocfs2_find_xe_in_bucket_56224 ocfs2_find_xe_in_bucket 0 56224 NULL -+cp210x_get_config_56229 cp210x_get_config 4 56229 NULL -+do_ipt_set_ctl_56238 do_ipt_set_ctl 4 56238 NULL -+fd_copyin_56247 fd_copyin 3 56247 NULL -+sk_rmem_schedule_56255 sk_rmem_schedule 3 56255 NULL -+il4965_ucode_general_stats_read_56277 il4965_ucode_general_stats_read 3 56277 NULL -+ieee80211_if_fmt_user_power_level_56283 ieee80211_if_fmt_user_power_level 3 56283 NULL -+RESIZE_IF_NEEDED_56286 RESIZE_IF_NEEDED 2 56286 NULL -+dvb_aplay_56296 dvb_aplay 3 56296 NULL -+btmrvl_hscfgcmd_read_56303 btmrvl_hscfgcmd_read 3 56303 NULL -+compat_cdrom_read_audio_56304 compat_cdrom_read_audio 4 56304 NULL -+pipeline_pre_to_defrag_swi_read_56321 pipeline_pre_to_defrag_swi_read 3 56321 NULL -+journal_init_revoke_table_56331 journal_init_revoke_table 1 56331 NULL -+snd_rawmidi_read_56337 snd_rawmidi_read 3 56337 NULL -+sixpack_compat_ioctl_56346 sixpack_compat_ioctl 4 56346 NULL -+vxge_os_dma_malloc_async_56348 vxge_os_dma_malloc_async 3 56348 NULL -+iov_iter_copy_from_user_atomic_56368 iov_iter_copy_from_user_atomic 4 56368 NULL -+dev_read_56369 dev_read 3 56369 NULL -+write_gssp_56404 write_gssp 3 56404 NULL -+ocfs2_control_read_56405 ocfs2_control_read 3 56405 NULL -+__get_vm_area_caller_56416 __get_vm_area_caller 1 56416 NULL nohasharray -+acpi_os_write_memory_56416 acpi_os_write_memory 1-3 56416 &__get_vm_area_caller_56416 -+store_msg_56417 store_msg 3 56417 NULL -+pppol2tp_sendmsg_56420 pppol2tp_sendmsg 4 56420 NULL -+fl_create_56435 fl_create 5 56435 NULL -+gnttab_map_56439 gnttab_map 2 56439 NULL -+cx231xx_init_isoc_56453 cx231xx_init_isoc 3-2 56453 NULL -+set_connectable_56458 set_connectable 4 56458 NULL -+osd_req_list_partition_objects_56464 osd_req_list_partition_objects 5 56464 NULL -+putused_user_56467 putused_user 3 56467 NULL -+calc_linear_pos_56472 calc_linear_pos 0-3 56472 NULL -+global_rt_period_56476 global_rt_period 0 56476 NULL -+crypto_shash_alignmask_56486 crypto_shash_alignmask 0 56486 NULL -+ieee80211_rx_mgmt_probe_beacon_56491 ieee80211_rx_mgmt_probe_beacon 3 56491 NULL -+init_map_ip_56508 init_map_ip 5 56508 NULL -+cfg80211_connect_result_56515 cfg80211_connect_result 4-6 56515 NULL -+ip_options_get_56538 ip_options_get 4 56538 NULL -+ocfs2_change_extent_flag_56549 ocfs2_change_extent_flag 5 56549 NULL -+alloc_apertures_56561 alloc_apertures 1 56561 NULL -+rs_sta_dbgfs_stats_table_read_56573 rs_sta_dbgfs_stats_table_read 3 56573 NULL -+portcntrs_2_read_56586 portcntrs_2_read 3 56586 NULL -+event_filter_write_56609 event_filter_write 3 56609 NULL -+gather_array_56641 gather_array 3 56641 NULL -+uvc_debugfs_stats_read_56651 uvc_debugfs_stats_read 3 56651 NULL -+snd_gus_dram_read_56686 snd_gus_dram_read 4 56686 NULL nohasharray -+da9055_gpio_to_irq_56686 da9055_gpio_to_irq 2 56686 &snd_gus_dram_read_56686 -+build_map_info_56696 build_map_info 2 56696 NULL -+dvb_ringbuffer_read_user_56702 dvb_ringbuffer_read_user 3 56702 NULL -+sta_flags_read_56710 sta_flags_read 3 56710 NULL -+ipv6_getsockopt_sticky_56711 ipv6_getsockopt_sticky 5 56711 NULL -+__wa_xfer_setup_segs_56725 __wa_xfer_setup_segs 2 56725 NULL -+pcpu_populate_chunk_56741 pcpu_populate_chunk 2-3 56741 NULL -+drm_agp_bind_pages_56748 drm_agp_bind_pages 3 56748 NULL -+btrfsic_map_block_56751 btrfsic_map_block 2 56751 NULL -+alloc_iommu_56778 alloc_iommu 2-3 56778 NULL -+__carl9170_rx_56784 __carl9170_rx 3 56784 NULL -+hash_lookup_56792 hash_lookup 2 56792 NULL -+do_syslog_56807 do_syslog 3 56807 NULL -+mtdchar_write_56831 mtdchar_write 3 56831 NULL nohasharray -+ntfs_rl_realloc_56831 ntfs_rl_realloc 3 56831 &mtdchar_write_56831 -+snd_rawmidi_kernel_write1_56847 snd_rawmidi_kernel_write1 4 56847 NULL -+si476x_radio_read_agc_blob_56849 si476x_radio_read_agc_blob 3 56849 NULL -+wb_lookup_56858 wb_lookup 2 56858 NULL -+ext3_xattr_ibody_get_56880 ext3_xattr_ibody_get 0 56880 NULL -+pvr2_debugifc_print_status_56890 pvr2_debugifc_print_status 3 56890 NULL -+debug_debug3_read_56894 debug_debug3_read 3 56894 NULL -+batadv_tt_update_changes_56895 batadv_tt_update_changes 3 56895 NULL -+strcspn_56913 strcspn 0 56913 NULL -+__kfifo_out_56927 __kfifo_out 0-3 56927 NULL -+check_header_56930 check_header 2 56930 NULL -+journal_init_revoke_56933 journal_init_revoke 2 56933 NULL -+diva_get_driver_info_56967 diva_get_driver_info 0 56967 NULL -+nouveau_device_create__56984 nouveau_device_create_ 6 56984 NULL -+vlsi_alloc_ring_57003 vlsi_alloc_ring 3-4 57003 NULL -+btrfs_super_csum_size_57004 btrfs_super_csum_size 0 57004 NULL -+aircable_process_packet_57027 aircable_process_packet 4 57027 NULL -+skb_network_offset_57043 skb_network_offset 0 57043 NULL nohasharray -+ieee80211_if_fmt_state_57043 ieee80211_if_fmt_state 3 57043 &skb_network_offset_57043 -+bytes_to_samples_57049 bytes_to_samples 0-2 57049 NULL -+xfs_buf_read_map_57053 xfs_buf_read_map 3 57053 NULL -+autofs_dev_ioctl_compat_57059 autofs_dev_ioctl_compat 3 57059 NULL -+cx2341x_ctrl_new_std_57061 cx2341x_ctrl_new_std 4 57061 NULL -+sca3000_read_data_57064 sca3000_read_data 4 57064 NULL -+pcmcia_replace_cis_57066 pcmcia_replace_cis 3 57066 NULL -+sis190_try_rx_copy_57069 sis190_try_rx_copy 3 57069 NULL -+tracing_set_trace_write_57096 tracing_set_trace_write 3 57096 NULL -+crypto_compress_ctxsize_57109 crypto_compress_ctxsize 0 57109 NULL -+sysfs_write_file_57116 sysfs_write_file 3 57116 NULL -+cipso_v4_gentag_loc_57119 cipso_v4_gentag_loc 0 57119 NULL -+nl80211_send_deauth_57136 nl80211_send_deauth 4 57136 NULL nohasharray -+rds_ib_sub_signaled_57136 rds_ib_sub_signaled 2 57136 &nl80211_send_deauth_57136 nohasharray -+ima_show_htable_value_57136 ima_show_htable_value 2 57136 &rds_ib_sub_signaled_57136 -+snd_sonicvibes_getdmac_57140 snd_sonicvibes_getdmac 0 57140 NULL -+udl_prime_create_57159 udl_prime_create 2 57159 NULL -+__ipath_get_user_pages_57166 __ipath_get_user_pages 1-2 57166 NULL -+stk_prepare_sio_buffers_57168 stk_prepare_sio_buffers 2 57168 NULL -+rx_hw_stuck_read_57179 rx_hw_stuck_read 3 57179 NULL -+tt3650_ci_msg_57219 tt3650_ci_msg 4 57219 NULL -+dma_fifo_alloc_57236 dma_fifo_alloc 5-3-2 57236 NULL -+flush_space_57241 flush_space 3 57241 NULL -+ieee80211_if_fmt_tsf_57249 ieee80211_if_fmt_tsf 3 57249 NULL -+oprofilefs_ulong_from_user_57251 oprofilefs_ulong_from_user 3 57251 NULL -+alloc_flex_gd_57259 alloc_flex_gd 1 57259 NULL -+security_mmap_file_57268 security_mmap_file 0 57268 NULL -+pstore_file_read_57288 pstore_file_read 3 57288 NULL -+snd_pcm_read_57289 snd_pcm_read 3 57289 NULL -+ath6kl_buf_alloc_57304 ath6kl_buf_alloc 1 57304 NULL -+fw_file_size_57307 fw_file_size 0 57307 NULL -+ftdi_elan_write_57309 ftdi_elan_write 3 57309 NULL -+__mxt_write_reg_57326 __mxt_write_reg 3 57326 NULL -+ocfs2_xattr_shrink_size_57328 ocfs2_xattr_shrink_size 3 57328 NULL -+check_mirror_57342 check_mirror 1-2 57342 NULL nohasharray -+usblp_read_57342 usblp_read 3 57342 &check_mirror_57342 -+print_devstats_dot11RTSFailureCount_57347 print_devstats_dot11RTSFailureCount 3 57347 NULL -+tipc_bclink_stats_57372 tipc_bclink_stats 2 57372 NULL -+max8997_irq_domain_map_57375 max8997_irq_domain_map 2 57375 NULL -+tty_register_device_attr_57381 tty_register_device_attr 2 57381 NULL -+read_file_blob_57406 read_file_blob 3 57406 NULL -+enclosure_register_57412 enclosure_register 3 57412 NULL -+gre_manip_pkt_57416 gre_manip_pkt 4 57416 NULL -+compat_keyctl_instantiate_key_iov_57431 compat_keyctl_instantiate_key_iov 3 57431 NULL nohasharray -+alloc_ftrace_hash_57431 alloc_ftrace_hash 1 57431 &compat_keyctl_instantiate_key_iov_57431 -+copy_to_user_fromio_57432 copy_to_user_fromio 3 57432 NULL -+sys_pselect6_57449 sys_pselect6 1 57449 NULL -+ReadReg_57453 ReadReg 0 57453 NULL -+__roundup_pow_of_two_57461 __roundup_pow_of_two 0 57461 NULL -+crypto_tfm_alg_blocksize_57463 crypto_tfm_alg_blocksize 0 57463 NULL nohasharray -+send_midi_async_57463 send_midi_async 3 57463 &crypto_tfm_alg_blocksize_57463 -+sisusb_clear_vram_57466 sisusb_clear_vram 3-2 57466 NULL -+ieee80211_if_read_flags_57470 ieee80211_if_read_flags 3 57470 NULL nohasharray -+sep_lock_user_pages_57470 sep_lock_user_pages 2-3 57470 &ieee80211_if_read_flags_57470 -+ocfs2_write_cluster_57483 ocfs2_write_cluster 8-2-9 57483 NULL -+bnad_debugfs_write_regwr_57500 bnad_debugfs_write_regwr 3 57500 NULL -+skb_headlen_57501 skb_headlen 0 57501 NULL -+copy_in_user_57502 copy_in_user 3 57502 NULL -+ks8842_read32_57505 ks8842_read32 0 57505 NULL nohasharray -+ckhdid_printf_57505 ckhdid_printf 2 57505 &ks8842_read32_57505 -+init_tag_map_57515 init_tag_map 3 57515 NULL -+wil_read_file_ssid_57517 wil_read_file_ssid 3 57517 NULL nohasharray -+il_dbgfs_force_reset_read_57517 il_dbgfs_force_reset_read 3 57517 &wil_read_file_ssid_57517 -+inode_permission_57531 inode_permission 0 57531 NULL -+acpi_dev_get_resources_57534 acpi_dev_get_resources 0 57534 NULL nohasharray -+DoC_Probe_57534 DoC_Probe 1 57534 &acpi_dev_get_resources_57534 -+ext4_group_first_block_no_57559 ext4_group_first_block_no 0-2 57559 NULL -+snd_pcm_playback_ioctl1_57569 snd_pcm_playback_ioctl1 0 57569 NULL -+uio_find_mem_index_57584 uio_find_mem_index 0 57584 NULL -+read_file_spectral_fft_period_57593 read_file_spectral_fft_period 3 57593 NULL -+wm831x_gpio_to_irq_57614 wm831x_gpio_to_irq 2 57614 NULL -+sk_stream_alloc_skb_57622 sk_stream_alloc_skb 2 57622 NULL -+tx_tx_retry_template_read_57623 tx_tx_retry_template_read 3 57623 NULL -+osdmap_set_max_osd_57630 osdmap_set_max_osd 2 57630 NULL nohasharray -+sisusbcon_putcs_57630 sisusbcon_putcs 3 57630 &osdmap_set_max_osd_57630 -+mem_read_57631 mem_read 3 57631 NULL -+tc3589x_irq_map_57639 tc3589x_irq_map 2 57639 NULL -+sys_mq_timedsend_57661 sys_mq_timedsend 3 57661 NULL -+r3964_write_57662 r3964_write 4 57662 NULL -+proc_ns_readlink_57664 proc_ns_readlink 3 57664 NULL -+__lgwrite_57669 __lgwrite 4 57669 NULL -+ieee80211_MFIE_rate_len_57692 ieee80211_MFIE_rate_len 0 57692 NULL -+f1x_match_to_this_node_57695 f1x_match_to_this_node 3 57695 NULL -+check_prefree_segments_57702 check_prefree_segments 2 57702 NULL -+i2400m_rx_stats_read_57706 i2400m_rx_stats_read 3 57706 NULL -+ieee80211_if_read_dot11MeshHWMPconfirmationInterval_57722 ieee80211_if_read_dot11MeshHWMPconfirmationInterval 3 57722 NULL -+nouveau_gpio_create__57735 nouveau_gpio_create_ 4-5 57735 NULL -+compat_sys_set_mempolicy_57742 compat_sys_set_mempolicy 3 57742 NULL -+ieee80211_if_fmt_dot11MeshHWMPpreqMinInterval_57762 ieee80211_if_fmt_dot11MeshHWMPpreqMinInterval 3 57762 NULL -+SYSC_process_vm_writev_57776 SYSC_process_vm_writev 3-5 57776 NULL -+ld2_57794 ld2 0 57794 NULL -+ivtv_read_57796 ivtv_read 3 57796 NULL -+generic_ptrace_peekdata_57806 generic_ptrace_peekdata 2 57806 NULL -+ipath_user_sdma_num_pages_57813 ipath_user_sdma_num_pages 0 57813 NULL -+usb_dump_config_57817 usb_dump_config 0 57817 NULL -+bfad_debugfs_read_regrd_57830 bfad_debugfs_read_regrd 3 57830 NULL -+copy_to_user_57835 copy_to_user 3 57835 NULL -+flash_read_57843 flash_read 3 57843 NULL -+xt_alloc_table_info_57903 xt_alloc_table_info 1 57903 NULL -+emi26_writememory_57908 emi26_writememory 4 57908 NULL -+iio_read_first_n_kfifo_57910 iio_read_first_n_kfifo 2 57910 NULL -+memcg_caches_array_size_57918 memcg_caches_array_size 0-1 57918 NULL -+twl_i2c_write_57923 twl_i2c_write 4-3 57923 NULL -+__snd_gf1_look16_57925 __snd_gf1_look16 0 57925 NULL -+sel_read_handle_unknown_57933 sel_read_handle_unknown 3 57933 NULL -+key_algorithm_read_57946 key_algorithm_read 3 57946 NULL -+ip_set_alloc_57953 ip_set_alloc 1 57953 NULL nohasharray -+ioat3_dca_count_dca_slots_57953 ioat3_dca_count_dca_slots 0 57953 &ip_set_alloc_57953 -+i915_cache_sharing_write_57961 i915_cache_sharing_write 3 57961 NULL -+hfc_empty_fifo_57972 hfc_empty_fifo 2 57972 NULL -+c2_reg_user_mr_57982 c2_reg_user_mr 2-3 57982 NULL -+rx_reset_counter_read_58001 rx_reset_counter_read 3 58001 NULL -+regcache_rbtree_insert_to_block_58009 regcache_rbtree_insert_to_block 5 58009 NULL -+iwl_dbgfs_ucode_rx_stats_read_58023 iwl_dbgfs_ucode_rx_stats_read 3 58023 NULL -+io_playback_transfer_58030 io_playback_transfer 4 58030 NULL -+mce_async_out_58056 mce_async_out 3 58056 NULL -+ocfs2_find_leaf_58065 ocfs2_find_leaf 0 58065 NULL -+dt3155_alloc_coherent_58073 dt3155_alloc_coherent 2 58073 NULL -+cm4040_write_58079 cm4040_write 3 58079 NULL -+udi_log_event_58105 udi_log_event 3 58105 NULL -+savemem_58129 savemem 3 58129 NULL -+ipv6_flowlabel_opt_58135 ipv6_flowlabel_opt 3 58135 NULL nohasharray -+slhc_init_58135 slhc_init 1-2 58135 &ipv6_flowlabel_opt_58135 -+garmin_write_bulk_58191 garmin_write_bulk 3 58191 NULL -+asix_write_cmd_58192 asix_write_cmd 5 58192 NULL -+ieee80211_if_fmt_flags_58205 ieee80211_if_fmt_flags 3 58205 NULL -+hva_to_pfn_58241 hva_to_pfn 1 58241 NULL -+btrfsic_create_link_to_next_block_58246 btrfsic_create_link_to_next_block 4 58246 NULL -+read_file_debug_58256 read_file_debug 3 58256 NULL -+cfg80211_mgmt_tx_status_58266 cfg80211_mgmt_tx_status 4 58266 NULL -+profile_load_58267 profile_load 3 58267 NULL -+acpi_ds_build_internal_package_obj_58271 acpi_ds_build_internal_package_obj 3 58271 NULL -+r100_mm_rreg_58276 r100_mm_rreg 0 58276 NULL -+iscsi_decode_text_input_58292 iscsi_decode_text_input 4 58292 NULL -+ieee80211_if_read_dot11MeshTTL_58307 ieee80211_if_read_dot11MeshTTL 3 58307 NULL -+tx_tx_start_int_templates_read_58324 tx_tx_start_int_templates_read 3 58324 NULL -+pcim_iomap_58334 pcim_iomap 3 58334 NULL -+diva_init_dma_map_58336 diva_init_dma_map 3 58336 NULL -+next_pidmap_58347 next_pidmap 2 58347 NULL -+SyS_migrate_pages_58348 SyS_migrate_pages 2 58348 NULL -+vmalloc_to_sg_58354 vmalloc_to_sg 2 58354 NULL -+save_hint_58359 save_hint 2 58359 NULL -+brcmf_debugfs_sdio_counter_read_58369 brcmf_debugfs_sdio_counter_read 3 58369 NULL -+hash_ipportnet6_expire_58379 hash_ipportnet6_expire 3 58379 NULL -+il_dbgfs_status_read_58388 il_dbgfs_status_read 3 58388 NULL -+kvm_mmu_write_protect_pt_masked_58406 kvm_mmu_write_protect_pt_masked 3 58406 NULL -+i2400m_pld_size_58415 i2400m_pld_size 0 58415 NULL -+__mlx4_alloc_mtt_range_58418 __mlx4_alloc_mtt_range 2 58418 NULL -+__iio_add_chan_devattr_58451 __iio_add_chan_devattr 0 58451 NULL -+capabilities_read_58457 capabilities_read 3 58457 NULL -+batadv_iv_ogm_aggr_packet_58462 batadv_iv_ogm_aggr_packet 3 58462 NULL -+lpfc_idiag_baracc_read_58466 lpfc_idiag_baracc_read 3 58466 NULL nohasharray -+compat_do_ipt_set_ctl_58466 compat_do_ipt_set_ctl 4 58466 &lpfc_idiag_baracc_read_58466 -+snd_gf1_read_addr_58483 snd_gf1_read_addr 0 58483 NULL -+snd_rme96_capture_copy_58484 snd_rme96_capture_copy 5 58484 NULL -+batadv_bla_is_backbone_gw_58488 batadv_bla_is_backbone_gw 3 58488 NULL -+memblock_alloc_try_nid_58493 memblock_alloc_try_nid 1-2 58493 NULL -+rndis_add_response_58544 rndis_add_response 2 58544 NULL -+__clear_discard_58546 __clear_discard 2 58546 NULL -+wrap_max_58548 wrap_max 0-1-2 58548 NULL -+wep_decrypt_fail_read_58567 wep_decrypt_fail_read 3 58567 NULL -+sip_sprintf_addr_port_58574 sip_sprintf_addr_port 0 58574 NULL -+scnprint_mac_oui_58578 scnprint_mac_oui 3-0 58578 NULL -+ea_read_inline_58589 ea_read_inline 0 58589 NULL -+isku_sysfs_read_keys_thumbster_58590 isku_sysfs_read_keys_thumbster 6 58590 NULL -+xip_file_read_58592 xip_file_read 3 58592 NULL -+gdth_search_isa_58595 gdth_search_isa 1 58595 NULL -+ebt_buf_count_58607 ebt_buf_count 0 58607 NULL -+skb_copy_to_page_nocache_58624 skb_copy_to_page_nocache 6 58624 NULL -+module_alloc_update_bounds_rx_58634 module_alloc_update_bounds_rx 1 58634 NULL nohasharray -+efi_ioremap_58634 efi_ioremap 1-2 58634 &module_alloc_update_bounds_rx_58634 -+tx_tx_start_fw_gen_read_58648 tx_tx_start_fw_gen_read 3 58648 NULL -+ocfs2_block_to_cluster_start_58653 ocfs2_block_to_cluster_start 2 58653 NULL -+__gfn_to_pfn_58671 __gfn_to_pfn 2 58671 NULL -+iwl_trans_send_cmd_58681 iwl_trans_send_cmd 0 58681 NULL -+find_zero_58685 find_zero 0-1 58685 NULL nohasharray -+mcs7830_set_reg_async_58685 mcs7830_set_reg_async 3 58685 &find_zero_58685 -+uwb_bce_print_IEs_58686 uwb_bce_print_IEs 4 58686 NULL -+pci_alloc_consistent_58688 pci_alloc_consistent 0 58688 NULL -+tps6586x_writes_58689 tps6586x_writes 3-2 58689 NULL -+vmalloc_node_58700 vmalloc_node 1 58700 NULL -+acpi_map_58725 acpi_map 1-2 58725 NULL -+da9052_gpio_to_irq_58729 da9052_gpio_to_irq 2 58729 NULL -+csum_exist_in_range_58730 csum_exist_in_range 2 58730 NULL -+frames_to_bytes_58741 frames_to_bytes 0-2 58741 NULL -+ieee80211_if_write_tkip_mic_test_58748 ieee80211_if_write_tkip_mic_test 3 58748 NULL -+agp_allocate_memory_58761 agp_allocate_memory 2 58761 NULL -+oblock_to_dblock_58762 oblock_to_dblock 0-2 58762 NULL -+__do_config_autodelink_58763 __do_config_autodelink 3 58763 NULL -+regmap_calc_reg_len_58795 regmap_calc_reg_len 0 58795 NULL -+raw_send_hdrinc_58803 raw_send_hdrinc 4 58803 NULL -+isku_sysfs_read_58806 isku_sysfs_read 6-5 58806 NULL -+ep_read_58813 ep_read 3 58813 NULL -+command_write_58841 command_write 3 58841 NULL -+ocfs2_truncate_log_append_58850 ocfs2_truncate_log_append 3 58850 NULL -+ath6kl_wmi_send_action_cmd_58860 ath6kl_wmi_send_action_cmd 7 58860 NULL -+gs_alloc_req_58883 gs_alloc_req 2 58883 NULL -+cs553x_init_one_58886 cs553x_init_one 3 58886 NULL -+raw_ctl_compat_ioctl_58905 raw_ctl_compat_ioctl 3 58905 NULL -+print_devstats_dot11FCSErrorCount_58919 print_devstats_dot11FCSErrorCount 3 58919 NULL -+tun_chr_compat_ioctl_58921 tun_chr_compat_ioctl 3 58921 NULL -+pipeline_cs_rx_packet_out_read_58926 pipeline_cs_rx_packet_out_read 3 58926 NULL -+st5481_isoc_flatten_58952 st5481_isoc_flatten 0 58952 NULL -+ieee80211_if_fmt_dot11MeshHWMPactivePathToRootTimeout_58965 ieee80211_if_fmt_dot11MeshHWMPactivePathToRootTimeout 3 58965 NULL -+idx_to_kaddr_58968 idx_to_kaddr 0 58968 NULL -+crypto_aead_ivsize_58970 crypto_aead_ivsize 0 58970 NULL -+remap_to_cache_dirty_58991 remap_to_cache_dirty 4-3 58991 NULL -+handle_rx_packet_58993 handle_rx_packet 3 58993 NULL -+edac_align_ptr_59003 edac_align_ptr 0 59003 NULL -+ep_write_59008 ep_write 3 59008 NULL -+i915_ring_stop_write_59010 i915_ring_stop_write 3 59010 NULL -+SyS_preadv_59029 SyS_preadv 3 59029 NULL -+init_pci_cap_msi_perm_59033 init_pci_cap_msi_perm 2 59033 NULL -+selinux_transaction_write_59038 selinux_transaction_write 3 59038 NULL -+crypto_aead_reqsize_59039 crypto_aead_reqsize 0 59039 NULL -+regmap_bulk_write_59049 regmap_bulk_write 4-2 59049 NULL -+vfio_device_fops_compat_ioctl_59111 vfio_device_fops_compat_ioctl 3 59111 NULL -+mmc_sd_num_wr_blocks_59112 mmc_sd_num_wr_blocks 0 59112 NULL -+scsi_io_completion_59122 scsi_io_completion 2 59122 NULL -+nfc_llcp_send_i_frame_59130 nfc_llcp_send_i_frame 3 59130 NULL -+__iio_add_event_config_attrs_59136 __iio_add_event_config_attrs 0 59136 NULL -+print_devstats_dot11RTSSuccessCount_59145 print_devstats_dot11RTSSuccessCount 3 59145 NULL nohasharray -+framebuffer_alloc_59145 framebuffer_alloc 1 59145 &print_devstats_dot11RTSSuccessCount_59145 -+radeon_compat_ioctl_59150 radeon_compat_ioctl 2 59150 NULL -+pvr2_hdw_report_clients_59152 pvr2_hdw_report_clients 3 59152 NULL -+setup_window_59178 setup_window 4-2-5-7 59178 NULL -+ocfs2_move_extent_59187 ocfs2_move_extent 3 59187 NULL -+xfs_iext_realloc_indirect_59211 xfs_iext_realloc_indirect 2 59211 NULL -+fast_rx_path_59214 fast_rx_path 3 59214 NULL -+inftl_partscan_59216 inftl_partscan 0 59216 NULL -+skb_transport_header_59223 skb_transport_header 0 59223 NULL -+dt3155_read_59226 dt3155_read 3 59226 NULL -+paging64_gpte_to_gfn_lvl_59229 paging64_gpte_to_gfn_lvl 0-1-2 59229 NULL -+tty_prepare_flip_string_flags_59240 tty_prepare_flip_string_flags 4 59240 NULL -+solo_v4l2_read_59247 solo_v4l2_read 3 59247 NULL -+nla_len_59258 nla_len 0 59258 NULL -+btrfs_insert_dir_item_59304 btrfs_insert_dir_item 4 59304 NULL -+fd_copyout_59323 fd_copyout 3 59323 NULL -+read_9287_modal_eeprom_59327 read_9287_modal_eeprom 3 59327 NULL -+rx_defrag_in_process_called_read_59338 rx_defrag_in_process_called_read 3 59338 NULL -+paging64_get_level1_sp_gpa_59346 paging64_get_level1_sp_gpa 0 59346 NULL nohasharray -+xfs_attrmulti_attr_set_59346 xfs_attrmulti_attr_set 4 59346 &paging64_get_level1_sp_gpa_59346 -+xfs_dir2_sf_entsize_59366 xfs_dir2_sf_entsize 0-2 59366 NULL -+pvr2_debugifc_print_info_59380 pvr2_debugifc_print_info 3 59380 NULL -+fc_frame_alloc_fill_59394 fc_frame_alloc_fill 2 59394 NULL -+isku_sysfs_read_keys_function_59412 isku_sysfs_read_keys_function 6 59412 NULL -+vxge_hw_ring_rxds_per_block_get_59425 vxge_hw_ring_rxds_per_block_get 0 59425 NULL -+squashfs_read_data_59440 squashfs_read_data 6 59440 NULL -+SyS_sched_setaffinity_59442 SyS_sched_setaffinity 2 59442 NULL -+fs_path_ensure_buf_59445 fs_path_ensure_buf 2 59445 NULL -+descriptor_loc_59446 descriptor_loc 3 59446 NULL -+do_compat_semctl_59449 do_compat_semctl 4 59449 NULL -+virtqueue_add_buf_59470 virtqueue_add_buf 3-4 59470 NULL -+ib_copy_from_udata_59502 ib_copy_from_udata 3 59502 NULL -+nfsd_nrpools_59503 nfsd_nrpools 0 59503 NULL -+rds_pin_pages_59507 rds_pin_pages 0-1-2 59507 NULL -+mpi_get_nbits_59551 mpi_get_nbits 0 59551 NULL -+tunables_write_59563 tunables_write 3 59563 NULL -+memdup_user_59590 memdup_user 2 59590 NULL -+tps6586x_irq_get_virq_59601 tps6586x_irq_get_virq 2 59601 NULL -+mem_fwlog_free_mem_blks_read_59616 mem_fwlog_free_mem_blks_read 3 59616 NULL -+mtrr_write_59622 mtrr_write 3 59622 NULL -+find_first_zero_bit_59636 find_first_zero_bit 0-2 59636 NULL -+ubifs_setxattr_59650 ubifs_setxattr 4 59650 NULL nohasharray -+hidraw_read_59650 hidraw_read 3 59650 &ubifs_setxattr_59650 -+v9fs_xattr_set_acl_59651 v9fs_xattr_set_acl 4 59651 NULL -+paravirt_sched_clock_59660 paravirt_sched_clock 0 59660 NULL -+__devcgroup_check_permission_59665 __devcgroup_check_permission 0 59665 NULL -+iwl_dbgfs_mac_params_read_59666 iwl_dbgfs_mac_params_read 3 59666 NULL -+alloc_dca_provider_59670 alloc_dca_provider 2 59670 NULL -+can_nocow_odirect_59681 can_nocow_odirect 3 59681 NULL -+sriov_enable_59689 sriov_enable 2 59689 NULL -+mic_calc_failure_read_59700 mic_calc_failure_read 3 59700 NULL -+prism2_info_scanresults_59729 prism2_info_scanresults 3 59729 NULL -+ieee80211_if_read_fwded_unicast_59740 ieee80211_if_read_fwded_unicast 3 59740 NULL -+qib_decode_7220_sdma_errs_59745 qib_decode_7220_sdma_errs 4 59745 NULL -+strnlen_59746 strnlen 0 59746 NULL -+sctp_manip_pkt_59749 sctp_manip_pkt 4 59749 NULL -+ext3_acl_count_59754 ext3_acl_count 0-1 59754 NULL -+long_retry_limit_read_59766 long_retry_limit_read 3 59766 NULL -+venus_remove_59781 venus_remove 4 59781 NULL -+mei_nfc_recv_59784 mei_nfc_recv 3 59784 NULL -+C_SYSC_preadv_59801 C_SYSC_preadv 3 59801 NULL -+ipw_write_59807 ipw_write 3 59807 NULL -+rtllib_wx_set_gen_ie_59808 rtllib_wx_set_gen_ie 3 59808 NULL -+scsi_init_shared_tag_map_59812 scsi_init_shared_tag_map 2 59812 NULL -+ieee80211_if_read_dot11MeshHWMPmaxPREQretries_59829 ieee80211_if_read_dot11MeshHWMPmaxPREQretries 3 59829 NULL -+gspca_dev_probe2_59833 gspca_dev_probe2 4 59833 NULL -+regmap_raw_write_async_59849 regmap_raw_write_async 2-4 59849 NULL -+pvr2_ioread_set_sync_key_59882 pvr2_ioread_set_sync_key 3 59882 NULL -+shmem_zero_setup_59885 shmem_zero_setup 0 59885 NULL nohasharray -+start_transaction_59885 start_transaction 2 59885 &shmem_zero_setup_59885 -+ffs_prepare_buffer_59892 ffs_prepare_buffer 2 59892 NULL -+swiotlb_map_page_59909 swiotlb_map_page 3 59909 NULL -+il_dbgfs_rxon_flags_read_59950 il_dbgfs_rxon_flags_read 3 59950 NULL nohasharray -+dapm_widget_power_read_file_59950 dapm_widget_power_read_file 3 59950 &il_dbgfs_rxon_flags_read_59950 -+lookup_node_59953 lookup_node 2 59953 NULL -+il_dbgfs_missed_beacon_read_59956 il_dbgfs_missed_beacon_read 3 59956 NULL nohasharray -+compat_ipmi_ioctl_59956 compat_ipmi_ioctl 3 59956 &il_dbgfs_missed_beacon_read_59956 -+kvm_set_cr3_59965 kvm_set_cr3 2 59965 NULL -+fb_getput_cmap_59971 fb_getput_cmap 3 59971 NULL -+__arch_hweight16_59975 __arch_hweight16 0 59975 NULL -+osd_req_read_kern_59990 osd_req_read_kern 5 59990 NULL -+ghash_async_setkey_60001 ghash_async_setkey 3 60001 NULL -+ieee80211_if_fmt_dot11MeshAwakeWindowDuration_60006 ieee80211_if_fmt_dot11MeshAwakeWindowDuration 3 60006 NULL -+rawsock_sendmsg_60010 rawsock_sendmsg 4 60010 NULL -+mthca_init_cq_60011 mthca_init_cq 2 60011 NULL -+register_device_60015 register_device 2-3 60015 NULL -+osd_req_list_dev_partitions_60027 osd_req_list_dev_partitions 4 60027 NULL -+xlog_bread_offset_60030 xlog_bread_offset 3 60030 NULL -+sys_sched_getaffinity_60033 sys_sched_getaffinity 2 60033 NULL -+bio_integrity_hw_sectors_60039 bio_integrity_hw_sectors 0-2 60039 NULL -+do_ip6t_set_ctl_60040 do_ip6t_set_ctl 4 60040 NULL -+pin_2_irq_60050 pin_2_irq 0-3 60050 NULL nohasharray -+vcs_size_60050 vcs_size 0 60050 &pin_2_irq_60050 -+gru_alloc_gts_60056 gru_alloc_gts 3-2 60056 NULL -+compat_writev_60063 compat_writev 3 60063 NULL -+ieee80211_build_probe_req_60064 ieee80211_build_probe_req 6-8 60064 NULL -+c4iw_num_stags_60073 c4iw_num_stags 0 60073 NULL -+mp_register_gsi_60079 mp_register_gsi 2 60079 NULL -+rxrpc_kernel_send_data_60083 rxrpc_kernel_send_data 3 60083 NULL -+ieee80211_if_fmt_fwded_frames_60103 ieee80211_if_fmt_fwded_frames 3 60103 NULL -+SYSC_msgsnd_60113 SYSC_msgsnd 3 60113 NULL -+ttm_bo_kmap_60118 ttm_bo_kmap 3-2 60118 NULL -+jmb38x_ms_count_slots_60164 jmb38x_ms_count_slots 0 60164 NULL -+init_state_60165 init_state 2 60165 NULL -+sg_build_sgat_60179 sg_build_sgat 3 60179 NULL nohasharray -+jffs2_alloc_full_dirent_60179 jffs2_alloc_full_dirent 1 60179 &sg_build_sgat_60179 -+fuse_async_req_send_60183 fuse_async_req_send 0-3 60183 NULL -+rx_rx_tkip_replays_read_60193 rx_rx_tkip_replays_read 3 60193 NULL -+svc_compat_ioctl_60194 svc_compat_ioctl 3 60194 NULL -+ib_send_cm_mra_60202 ib_send_cm_mra 4 60202 NULL nohasharray -+qib_reg_phys_mr_60202 qib_reg_phys_mr 3 60202 &ib_send_cm_mra_60202 -+set_tap_pfs_60203 set_tap_pfs 3 60203 NULL -+ieee80211_mgmt_tx_60209 ieee80211_mgmt_tx 7 60209 NULL -+btrfs_get_token_16_60220 btrfs_get_token_16 0 60220 NULL -+arizona_map_irq_60230 arizona_map_irq 2 60230 NULL nohasharray -+__phys_addr_nodebug_60230 __phys_addr_nodebug 0-1 60230 &arizona_map_irq_60230 -+wm831x_irq_60254 wm831x_irq 2 60254 NULL -+compat_sys_fcntl64_60256 compat_sys_fcntl64 3 60256 NULL -+printer_write_60276 printer_write 3 60276 NULL -+__pskb_pull_tail_60287 __pskb_pull_tail 2 60287 NULL -+do_xip_mapping_read_60297 do_xip_mapping_read 5 60297 NULL -+getDataLength_60301 getDataLength 0 60301 NULL -+ceph_parse_server_name_60318 ceph_parse_server_name 2 60318 NULL -+__kfifo_from_user_r_60345 __kfifo_from_user_r 3-5 60345 NULL -+dccp_setsockopt_60367 dccp_setsockopt 5 60367 NULL -+ubi_eba_atomic_leb_change_60379 ubi_eba_atomic_leb_change 5 60379 NULL -+instruction_pointer_60384 instruction_pointer 0 60384 NULL -+drop_outstanding_extent_60390 drop_outstanding_extent 0 60390 NULL -+mthca_alloc_resize_buf_60394 mthca_alloc_resize_buf 3 60394 NULL -+ocfs2_zero_extend_60396 ocfs2_zero_extend 3 60396 NULL -+driver_names_read_60399 driver_names_read 3 60399 NULL -+paging32_walk_addr_generic_60415 paging32_walk_addr_generic 4 60415 NULL -+simple_alloc_urb_60420 simple_alloc_urb 3 60420 NULL -+excessive_retries_read_60425 excessive_retries_read 3 60425 NULL -+tstats_write_60432 tstats_write 3 60432 NULL nohasharray -+kmalloc_60432 kmalloc 1 60432 &tstats_write_60432 -+tipc_buf_acquire_60437 tipc_buf_acquire 1 60437 NULL -+rx_data_60442 rx_data 4 60442 NULL nohasharray -+scaled_div32_60442 scaled_div32 1-2 60442 &rx_data_60442 -+tcf_csum_ipv4_igmp_60446 tcf_csum_ipv4_igmp 3 60446 NULL -+snd_hda_get_num_raw_conns_60462 snd_hda_get_num_raw_conns 0 60462 NULL -+crypto_shash_setkey_60483 crypto_shash_setkey 3 60483 NULL -+ath_tx_init_60515 ath_tx_init 2 60515 NULL -+hysdn_sched_rx_60533 hysdn_sched_rx 3 60533 NULL -+v9fs_fid_readn_60544 v9fs_fid_readn 4 60544 NULL -+nonpaging_map_60551 nonpaging_map 4 60551 NULL -+nfsd_hashsize_60562 nfsd_hashsize 0 60562 NULL -+hash_net6_expire_60598 hash_net6_expire 3 60598 NULL -+skb_transport_offset_60619 skb_transport_offset 0 60619 NULL -+wl1273_fm_fops_write_60621 wl1273_fm_fops_write 3 60621 NULL -+acl_alloc_stack_init_60630 acl_alloc_stack_init 1 60630 NULL -+ubifs_recover_leb_60639 ubifs_recover_leb 3 60639 NULL -+fb_get_fscreeninfo_60640 fb_get_fscreeninfo 3 60640 NULL -+if_sdio_host_to_card_60666 if_sdio_host_to_card 4 60666 NULL -+ieee80211_if_read_dot11MeshConfirmTimeout_60670 ieee80211_if_read_dot11MeshConfirmTimeout 3 60670 NULL -+read_vbt_r10_60679 read_vbt_r10 1 60679 NULL -+init_data_container_60709 init_data_container 1 60709 NULL -+snd_ice1712_ds_read_60754 snd_ice1712_ds_read 0 60754 NULL -+raid_status_60755 raid_status 5 60755 NULL -+sel_write_checkreqprot_60774 sel_write_checkreqprot 3 60774 NULL -+opticon_write_60775 opticon_write 4 60775 NULL -+acl_alloc_num_60778 acl_alloc_num 1-2 60778 NULL -+snd_pcm_oss_readv3_60792 snd_pcm_oss_readv3 3 60792 NULL -+pwr_tx_with_ps_read_60851 pwr_tx_with_ps_read 3 60851 NULL -+alloc_buf_60864 alloc_buf 3-2 60864 NULL -+generic_writepages_60871 generic_writepages 0 60871 NULL -+ext4_update_inline_data_60888 ext4_update_inline_data 3 60888 NULL -+iio_debugfs_read_reg_60908 iio_debugfs_read_reg 3 60908 NULL -+mgt_set_varlen_60916 mgt_set_varlen 4 60916 NULL -+scrub_chunk_60926 scrub_chunk 5 60926 NULL -+sys_mlock_60932 sys_mlock 1 60932 NULL -+pti_char_write_60960 pti_char_write 3 60960 NULL -+mwifiex_alloc_sdio_mpa_buffers_60961 mwifiex_alloc_sdio_mpa_buffers 2-3 60961 NULL -+__a2mp_build_60987 __a2mp_build 3 60987 NULL -+hsc_msg_alloc_60990 hsc_msg_alloc 1 60990 NULL -+ath6kl_lrssi_roam_read_61022 ath6kl_lrssi_roam_read 3 61022 NULL -+symtab_init_61050 symtab_init 2 61050 NULL -+fuse_send_write_61053 fuse_send_write 0-4 61053 NULL -+bitmap_scnlistprintf_61062 bitmap_scnlistprintf 0-4-2 61062 NULL -+ahash_align_buffer_size_61070 ahash_align_buffer_size 0-1-2 61070 NULL -+get_derived_key_61100 get_derived_key 4 61100 NULL -+alloc_chrdev_region_61112 alloc_chrdev_region 0 61112 NULL -+p80211_headerlen_61119 p80211_headerlen 0 61119 NULL nohasharray -+__probe_kernel_read_61119 __probe_kernel_read 3 61119 &p80211_headerlen_61119 -+vmemmap_alloc_block_buf_61126 vmemmap_alloc_block_buf 1 61126 NULL -+afs_proc_cells_write_61139 afs_proc_cells_write 3 61139 NULL -+brcmf_sdio_chip_cr4_exitdl_61143 brcmf_sdio_chip_cr4_exitdl 4 61143 NULL -+__vmalloc_61168 __vmalloc 1 61168 NULL -+event_oom_late_read_61175 event_oom_late_read 3 61175 NULL nohasharray -+pair_device_61175 pair_device 4 61175 &event_oom_late_read_61175 -+sys_lsetxattr_61177 sys_lsetxattr 4 61177 NULL -+SyS_prctl_61202 SyS_prctl 4 61202 NULL -+arch_hibernation_header_save_61212 arch_hibernation_header_save 0 61212 NULL -+smk_read_ambient_61220 smk_read_ambient 3 61220 NULL -+btrfs_bio_alloc_61270 btrfs_bio_alloc 3 61270 NULL -+vortex_adbdma_getlinearpos_61283 vortex_adbdma_getlinearpos 0 61283 NULL -+sys_add_key_61288 sys_add_key 4 61288 NULL nohasharray -+nvme_trans_copy_to_user_61288 nvme_trans_copy_to_user 3 61288 &sys_add_key_61288 -+ext4_issue_discard_61305 ext4_issue_discard 2 61305 NULL -+xfer_from_user_61307 xfer_from_user 3 61307 NULL -+timespec_to_ns_61317 timespec_to_ns 0 61317 NULL -+xfrm_user_sec_ctx_size_61320 xfrm_user_sec_ctx_size 0 61320 NULL -+C_SYSC_msgsnd_61330 C_SYSC_msgsnd 2-3 61330 NULL -+st5481_setup_isocpipes_61340 st5481_setup_isocpipes 6-4 61340 NULL -+rx_rx_wa_ba_not_expected_read_61341 rx_rx_wa_ba_not_expected_read 3 61341 NULL -+f1x_map_sysaddr_to_csrow_61344 f1x_map_sysaddr_to_csrow 2 61344 NULL -+debug_debug4_read_61367 debug_debug4_read 3 61367 NULL -+sys_ptrace_61369 sys_ptrace 3 61369 NULL -+change_xattr_61390 change_xattr 5 61390 NULL -+size_entry_mwt_61400 size_entry_mwt 0 61400 NULL -+dma_ops_area_alloc_61440 dma_ops_area_alloc 3-4-5 61440 NULL -+tc3589x_irq_unmap_61447 tc3589x_irq_unmap 2 61447 NULL -+unix_stream_sendmsg_61455 unix_stream_sendmsg 4 61455 NULL -+snd_pcm_lib_writev_transfer_61483 snd_pcm_lib_writev_transfer 4-2-5 61483 NULL -+btrfs_item_size_61485 btrfs_item_size 0 61485 NULL -+erst_errno_61526 erst_errno 0 61526 NULL -+ntfs_attr_lookup_61539 ntfs_attr_lookup 0 61539 NULL -+get_ohm_of_thermistor_61545 get_ohm_of_thermistor 2 61545 NULL -+o2hb_pop_count_61553 o2hb_pop_count 2 61553 NULL -+dvb_net_ioctl_61559 dvb_net_ioctl 2 61559 NULL -+ieee80211_if_read_rc_rateidx_mask_2ghz_61570 ieee80211_if_read_rc_rateidx_mask_2ghz 3 61570 NULL -+seq_open_private_61589 seq_open_private 3 61589 NULL -+__get_vm_area_61599 __get_vm_area 1 61599 NULL -+nfs4_init_uniform_client_string_61601 nfs4_init_uniform_client_string 3 61601 NULL -+ncp_compat_ioctl_61608 ncp_compat_ioctl 3 61608 NULL -+configfs_write_file_61621 configfs_write_file 3 61621 NULL -+ieee80211_if_fmt_hw_queues_61629 ieee80211_if_fmt_hw_queues 3 61629 NULL -+i2o_parm_table_get_61635 i2o_parm_table_get 6 61635 NULL -+snd_pcm_oss_read3_61643 snd_pcm_oss_read3 0-3 61643 NULL -+resize_stripes_61650 resize_stripes 2 61650 NULL -+ttm_page_pool_free_61661 ttm_page_pool_free 2 61661 NULL -+insert_one_name_61668 insert_one_name 7 61668 NULL -+lock_loop_61681 lock_loop 1 61681 NULL -+__do_tune_cpucache_61684 __do_tune_cpucache 2 61684 NULL -+filter_read_61692 filter_read 3 61692 NULL -+iov_length_61716 iov_length 0 61716 NULL -+fragmentation_threshold_read_61718 fragmentation_threshold_read 3 61718 NULL -+read_file_interrupt_61742 read_file_interrupt 3 61742 NULL nohasharray -+read_file_regval_61742 read_file_regval 3 61742 &read_file_interrupt_61742 -+batadv_dat_snoop_incoming_arp_reply_61801 batadv_dat_snoop_incoming_arp_reply 3 61801 NULL -+tps80031_irq_init_61830 tps80031_irq_init 3 61830 NULL -+bfad_debugfs_write_regwr_61841 bfad_debugfs_write_regwr 3 61841 NULL -+fs_path_prepare_for_add_61854 fs_path_prepare_for_add 2 61854 NULL -+evdev_compute_buffer_size_61863 evdev_compute_buffer_size 0 61863 NULL -+SYSC_lsetxattr_61869 SYSC_lsetxattr 4 61869 NULL -+get_fw_name_61874 get_fw_name 3 61874 NULL -+free_init_pages_61875 free_init_pages 2 61875 NULL -+twl4030_sih_setup_61878 twl4030_sih_setup 3 61878 NULL -+ieee80211_rtl_auth_challenge_61897 ieee80211_rtl_auth_challenge 3 61897 NULL -+ax25_addr_size_61899 ax25_addr_size 0 61899 NULL nohasharray -+cxgb4_pktgl_to_skb_61899 cxgb4_pktgl_to_skb 2 61899 &ax25_addr_size_61899 -+clear_refs_write_61904 clear_refs_write 3 61904 NULL -+rx_filter_arp_filter_read_61914 rx_filter_arp_filter_read 3 61914 NULL -+au0828_init_isoc_61917 au0828_init_isoc 3-2 61917 NULL -+sctp_sendmsg_61919 sctp_sendmsg 4 61919 NULL -+send_bulk_static_data_61932 send_bulk_static_data 3 61932 NULL -+gfn_to_pfn_memslot_atomic_61947 gfn_to_pfn_memslot_atomic 2 61947 NULL -+il4965_ucode_rx_stats_read_61948 il4965_ucode_rx_stats_read 3 61948 NULL -+squashfs_read_id_index_table_61961 squashfs_read_id_index_table 4 61961 NULL -+mlx4_alloc_mtt_range_61966 mlx4_alloc_mtt_range 2 61966 NULL -+ocfs2_quota_write_61972 ocfs2_quota_write 5-4 61972 NULL -+cow_file_range_61979 cow_file_range 3 61979 NULL -+module_alloc_exec_61991 module_alloc_exec 1 61991 NULL -+virtnet_send_command_61993 virtnet_send_command 5-6 61993 NULL -+xt_compat_match_offset_62011 xt_compat_match_offset 0 62011 NULL -+jffs2_do_unlink_62020 jffs2_do_unlink 4 62020 NULL -+SYSC_select_62024 SYSC_select 1 62024 NULL -+pmcraid_build_passthrough_ioadls_62034 pmcraid_build_passthrough_ioadls 2 62034 NULL -+ppp_tx_cp_62044 ppp_tx_cp 5 62044 NULL -+sctp_user_addto_chunk_62047 sctp_user_addto_chunk 2-3 62047 NULL -+do_pselect_62061 do_pselect 1 62061 NULL -+pcpu_alloc_bootmem_62074 pcpu_alloc_bootmem 2-3 62074 NULL -+get_domain_for_dev_62099 get_domain_for_dev 2 62099 NULL -+ipath_user_sdma_pin_pages_62100 ipath_user_sdma_pin_pages 3-5 62100 NULL -+jffs2_security_setxattr_62107 jffs2_security_setxattr 4 62107 NULL -+llc_ui_header_len_62131 llc_ui_header_len 0 62131 NULL -+qib_diag_write_62133 qib_diag_write 3 62133 NULL -+ql_status_62135 ql_status 5 62135 NULL -+video_usercopy_62151 video_usercopy 2 62151 NULL -+prism54_wpa_bss_ie_get_62173 prism54_wpa_bss_ie_get 0 62173 NULL -+alloc_upcall_62186 alloc_upcall 2 62186 NULL -+btrfs_xattr_acl_set_62203 btrfs_xattr_acl_set 4 62203 NULL -+sock_kmalloc_62205 sock_kmalloc 2 62205 NULL -+SYSC_setgroups16_62232 SYSC_setgroups16 1 62232 NULL -+nfsd_read_file_62241 nfsd_read_file 6 62241 NULL -+allocate_partition_62245 allocate_partition 4 62245 NULL -+__qib_get_user_pages_62287 __qib_get_user_pages 1-2 62287 NULL -+il_dbgfs_sram_read_62296 il_dbgfs_sram_read 3 62296 NULL -+sparse_early_usemaps_alloc_pgdat_section_62304 sparse_early_usemaps_alloc_pgdat_section 2 62304 NULL -+subsystem_filter_read_62310 subsystem_filter_read 3 62310 NULL -+udf_sb_alloc_partition_maps_62313 udf_sb_alloc_partition_maps 2 62313 NULL -+Wb35Reg_BurstWrite_62327 Wb35Reg_BurstWrite 4 62327 NULL -+subseq_list_62332 subseq_list 3-0 62332 NULL -+flash_write_62354 flash_write 3 62354 NULL -+set_wd_exp_mode_pfs_62372 set_wd_exp_mode_pfs 3 62372 NULL -+twl_get_num_slaves_62386 twl_get_num_slaves 0 62386 NULL -+rx_rx_timeout_read_62389 rx_rx_timeout_read 3 62389 NULL -+altera_irscan_62396 altera_irscan 2 62396 NULL -+set_ssp_62411 set_ssp 4 62411 NULL -+unmap_single_62423 unmap_single 2 62423 NULL -+netdev_alloc_skb_62437 netdev_alloc_skb 2 62437 NULL -+e1000_check_copybreak_62448 e1000_check_copybreak 3 62448 NULL -+ip_vs_icmp_xmit_v6_62477 ip_vs_icmp_xmit_v6 4 62477 NULL -+ceph_dns_resolve_name_62488 ceph_dns_resolve_name 2 62488 NULL -+remove_mapping_62491 remove_mapping 2 62491 NULL -+mlx4_en_create_rx_ring_62498 mlx4_en_create_rx_ring 3 62498 NULL -+ext_rts51x_sd_execute_read_data_62501 ext_rts51x_sd_execute_read_data 9 62501 NULL -+pep_sendmsg_62524 pep_sendmsg 4 62524 NULL nohasharray -+i915_next_seqno_read_62524 i915_next_seqno_read 3 62524 &pep_sendmsg_62524 -+test_iso_queue_62534 test_iso_queue 5 62534 NULL -+debugfs_read_62535 debugfs_read 3 62535 NULL -+sco_sock_sendmsg_62542 sco_sock_sendmsg 4 62542 NULL -+qib_refresh_qsfp_cache_62547 qib_refresh_qsfp_cache 0 62547 NULL -+xfrm_user_policy_62573 xfrm_user_policy 4 62573 NULL -+get_subdir_62581 get_subdir 3 62581 NULL -+prism2_send_mgmt_62605 prism2_send_mgmt 4 62605 NULL nohasharray -+nfsd_vfs_read_62605 nfsd_vfs_read 6 62605 &prism2_send_mgmt_62605 -+iommu_area_alloc_62619 iommu_area_alloc 2-3-4-7 62619 NULL -+ems_pcmcia_add_card_62627 ems_pcmcia_add_card 2 62627 NULL -+compat_rangeinfo_62630 compat_rangeinfo 2 62630 NULL -+lpfc_sli4_queue_alloc_62646 lpfc_sli4_queue_alloc 3 62646 NULL -+memblock_alloc_nid_62652 memblock_alloc_nid 1-2 62652 NULL -+ima_file_mmap_62663 ima_file_mmap 0 62663 NULL -+write_62671 write 3 62671 NULL -+printer_req_alloc_62687 printer_req_alloc 2 62687 NULL -+qla4_83xx_rd_reg_62693 qla4_83xx_rd_reg 0 62693 NULL -+ioremap_wc_62695 ioremap_wc 1-2 62695 NULL -+bioset_integrity_create_62708 bioset_integrity_create 2 62708 NULL -+rdm_62719 rdm 0 62719 NULL -+key_replays_read_62746 key_replays_read 3 62746 NULL -+init_chip_wc_pat_62768 init_chip_wc_pat 2 62768 NULL -+ax25_sendmsg_62770 ax25_sendmsg 4 62770 NULL -+page_key_alloc_62771 page_key_alloc 0 62771 NULL -+C_SYSC_ipc_62776 C_SYSC_ipc 5-3-6-4 62776 NULL -+tracing_total_entries_read_62817 tracing_total_entries_read 3 62817 NULL -+__rounddown_pow_of_two_62836 __rounddown_pow_of_two 0 62836 NULL -+bio_get_nr_vecs_62838 bio_get_nr_vecs 0 62838 NULL -+xlog_recover_add_to_trans_62839 xlog_recover_add_to_trans 4 62839 NULL -+rx_fcs_err_read_62844 rx_fcs_err_read 3 62844 NULL -+set_swbp_62853 set_swbp 3 62853 NULL -+hpi_read_word_62862 hpi_read_word 0 62862 NULL -+aoechr_write_62883 aoechr_write 3 62883 NULL -+resize_info_buffer_62889 resize_info_buffer 2 62889 NULL -+if_spi_host_to_card_62890 if_spi_host_to_card 4 62890 NULL -+mempool_create_slab_pool_62907 mempool_create_slab_pool 1 62907 NULL -+getdqbuf_62908 getdqbuf 1 62908 NULL -+try_async_pf_62914 try_async_pf 3 62914 NULL nohasharray -+SyS_remap_file_pages_62914 SyS_remap_file_pages 1 62914 &try_async_pf_62914 -+agp_create_user_memory_62955 agp_create_user_memory 1 62955 NULL -+__vb2_perform_fileio_63033 __vb2_perform_fileio 3 63033 NULL -+pipeline_defrag_to_csum_swi_read_63037 pipeline_defrag_to_csum_swi_read 3 63037 NULL -+scsi_host_alloc_63041 scsi_host_alloc 2 63041 NULL -+gso_pskb_expand_head_63052 gso_pskb_expand_head 2 63052 NULL -+unlink1_63059 unlink1 3 63059 NULL -+xen_set_nslabs_63066 xen_set_nslabs 0 63066 NULL -+ocfs2_decrease_refcount_63078 ocfs2_decrease_refcount 3 63078 NULL -+sep_prepare_input_output_dma_table_in_dcb_63087 sep_prepare_input_output_dma_table_in_dcb 4-5-2-3 63087 NULL -+iwl_dbgfs_sensitivity_read_63116 iwl_dbgfs_sensitivity_read 3 63116 NULL -+alloc_cblock_63133 alloc_cblock 2 63133 NULL -+ib_send_cm_rtu_63138 ib_send_cm_rtu 3 63138 NULL -+xen_zap_pfn_range_63149 xen_zap_pfn_range 1 63149 NULL -+smk_write_revoke_subj_63173 smk_write_revoke_subj 3 63173 NULL -+vme_master_read_63221 vme_master_read 0 63221 NULL -+SyS_gethostname_63227 SyS_gethostname 2 63227 NULL -+module_alloc_update_bounds_rw_63233 module_alloc_update_bounds_rw 1 63233 NULL -+ptp_read_63251 ptp_read 4 63251 NULL -+raid5_resize_63306 raid5_resize 2 63306 NULL -+proc_info_read_63344 proc_info_read 3 63344 NULL -+ps_upsd_max_sptime_read_63362 ps_upsd_max_sptime_read 3 63362 NULL -+idmouse_read_63374 idmouse_read 3 63374 NULL -+edac_pci_alloc_ctl_info_63388 edac_pci_alloc_ctl_info 1 63388 NULL nohasharray -+usbnet_read_cmd_nopm_63388 usbnet_read_cmd_nopm 7 63388 &edac_pci_alloc_ctl_info_63388 -+rxpipe_missed_beacon_host_int_trig_rx_data_read_63405 rxpipe_missed_beacon_host_int_trig_rx_data_read 3 63405 NULL -+nouveau_event_create_63411 nouveau_event_create 1 63411 NULL -+l2cap_sock_sendmsg_63427 l2cap_sock_sendmsg 4 63427 NULL -+sep_prepare_input_output_dma_table_63429 sep_prepare_input_output_dma_table 2-4-3 63429 NULL -+kone_send_63435 kone_send 4 63435 NULL -+gfn_to_hva_many_63437 gfn_to_hva_many 0-2 63437 NULL -+nfsd_symlink_63442 nfsd_symlink 6 63442 NULL -+ipv6_is_mld_63461 ipv6_is_mld 3 63461 NULL -+snd_info_entry_write_63474 snd_info_entry_write 3 63474 NULL -+reada_find_extent_63486 reada_find_extent 2 63486 NULL -+read_kcore_63488 read_kcore 3 63488 NULL -+save_hint_63497 save_hint 2 63497 NULL -+snd_pcm_plug_write_transfer_63503 snd_pcm_plug_write_transfer 0-3 63503 NULL -+ubi_more_leb_change_data_63534 ubi_more_leb_change_data 4 63534 NULL -+if_sdio_read_scratch_63540 if_sdio_read_scratch 0 63540 NULL -+append_to_buffer_63550 append_to_buffer 3 63550 NULL -+dbg_leb_write_63555 dbg_leb_write 4-5 63555 NULL nohasharray -+kvm_write_guest_page_63555 kvm_write_guest_page 5-2 63555 &dbg_leb_write_63555 -+ubifs_lpt_scan_nolock_63572 ubifs_lpt_scan_nolock 0 63572 NULL -+iwch_reg_user_mr_63575 iwch_reg_user_mr 2-3 63575 NULL -+ocfs2_calc_trunc_pos_63576 ocfs2_calc_trunc_pos 4 63576 NULL -+rproc_alloc_63577 rproc_alloc 5 63577 NULL -+ext3_clear_blocks_63597 ext3_clear_blocks 4-5 63597 NULL -+module_alloc_63630 module_alloc 1 63630 NULL -+ntfs_malloc_nofs_nofail_63631 ntfs_malloc_nofs_nofail 1 63631 NULL -+symbol_build_supp_rates_63634 symbol_build_supp_rates 0 63634 NULL -+_ubh_find_next_zero_bit__63640 _ubh_find_next_zero_bit_ 4-5-3 63640 NULL -+proc_loginuid_write_63648 proc_loginuid_write 3 63648 NULL -+ValidateDSDParamsChecksum_63654 ValidateDSDParamsChecksum 3 63654 NULL -+hidraw_ioctl_63658 hidraw_ioctl 2 63658 NULL -+vbi_read_63673 vbi_read 3 63673 NULL nohasharray -+xen_register_pirq_63673 xen_register_pirq 1-2 63673 &vbi_read_63673 -+alloc_tty_driver_63681 alloc_tty_driver 1 63681 NULL -+mkiss_compat_ioctl_63686 mkiss_compat_ioctl 4 63686 NULL -+arizona_irq_map_63709 arizona_irq_map 2 63709 NULL -+nouveau_object_create__63715 nouveau_object_create_ 5 63715 NULL -+btrfs_insert_delayed_dir_index_63720 btrfs_insert_delayed_dir_index 4 63720 NULL -+selinux_secctx_to_secid_63744 selinux_secctx_to_secid 2 63744 NULL -+snd_pcm_oss_read1_63771 snd_pcm_oss_read1 3 63771 NULL -+snd_opl4_mem_proc_read_63774 snd_opl4_mem_proc_read 5 63774 NULL -+spidev_compat_ioctl_63778 spidev_compat_ioctl 2-3 63778 NULL -+snapshot_compat_ioctl_63792 snapshot_compat_ioctl 3 63792 NULL -+kovaplus_sysfs_write_63795 kovaplus_sysfs_write 6 63795 NULL -+mwifiex_11n_create_rx_reorder_tbl_63806 mwifiex_11n_create_rx_reorder_tbl 4 63806 NULL -+copy_nodes_to_user_63807 copy_nodes_to_user 2 63807 NULL -+dec_zcache_eph_zbytes_63817 dec_zcache_eph_zbytes 1 63817 NULL -+prepare_copy_63826 prepare_copy 2 63826 NULL -+sel_write_load_63830 sel_write_load 3 63830 NULL -+proc_pid_attr_write_63845 proc_pid_attr_write 3 63845 NULL -+init_map_ipmac_63896 init_map_ipmac 4-3 63896 NULL -+divas_write_63901 divas_write 3 63901 NULL -+xhci_alloc_stream_info_63902 xhci_alloc_stream_info 3 63902 NULL -+uvc_alloc_urb_buffers_63922 uvc_alloc_urb_buffers 0-3-2 63922 NULL -+snd_compr_write_63923 snd_compr_write 3 63923 NULL -+acpi_ev_get_gpe_xrupt_block_63924 acpi_ev_get_gpe_xrupt_block 1 63924 NULL -+tipc_send2port_63935 tipc_send2port 5 63935 NULL -+afs_send_simple_reply_63940 afs_send_simple_reply 3 63940 NULL -+__team_options_register_63941 __team_options_register 3 63941 NULL -+macvtap_recvmsg_63949 macvtap_recvmsg 4 63949 NULL -+ieee80211_if_fmt_rc_rateidx_mcs_mask_2ghz_63968 ieee80211_if_fmt_rc_rateidx_mcs_mask_2ghz 3 63968 NULL -+ieee80211_authentication_req_63973 ieee80211_authentication_req 3 63973 NULL -+diva_xdi_write_63975 diva_xdi_write 4 63975 NULL -+read_file_frameerrors_64001 read_file_frameerrors 3 64001 NULL -+kmemdup_64015 kmemdup 2 64015 NULL -+SyS_rt_sigpending_64018 SyS_rt_sigpending 2 64018 NULL -+offset_to_vaddr_64025 offset_to_vaddr 0-2 64025 NULL nohasharray -+tcf_csum_skb_nextlayer_64025 tcf_csum_skb_nextlayer 3 64025 &offset_to_vaddr_64025 -+dbAllocDmapLev_64030 dbAllocDmapLev 0 64030 NULL -+resize_async_buffer_64031 resize_async_buffer 4 64031 NULL -+sep_lli_table_secure_dma_64042 sep_lli_table_secure_dma 2-3 64042 NULL -+tfrc_calc_x_reverse_lookup_64057 tfrc_calc_x_reverse_lookup 0 64057 NULL -+get_u8_64076 get_u8 0 64076 NULL -+sl_realloc_bufs_64086 sl_realloc_bufs 2 64086 NULL -+vmci_handle_arr_get_size_64088 vmci_handle_arr_get_size 0 64088 NULL -+lbs_highrssi_read_64089 lbs_highrssi_read 3 64089 NULL -+SyS_mq_timedsend_64107 SyS_mq_timedsend 3 64107 NULL -+do_load_xattr_datum_64118 do_load_xattr_datum 0 64118 NULL -+ol_quota_entries_per_block_64122 ol_quota_entries_per_block 0 64122 NULL -+ext4_prepare_inline_data_64124 ext4_prepare_inline_data 3 64124 NULL -+init_bch_64130 init_bch 1-2 64130 NULL -+SYSC_ptrace_64136 SYSC_ptrace 3-4 64136 NULL -+uea_idma_write_64139 uea_idma_write 3 64139 NULL -+ablkcipher_copy_iv_64140 ablkcipher_copy_iv 3 64140 NULL -+dlfb_ops_write_64150 dlfb_ops_write 3 64150 NULL -+__comedi_buf_alloc_64155 __comedi_buf_alloc 3 64155 NULL -+cpumask_scnprintf_64170 cpumask_scnprintf 2 64170 NULL -+read_pulse_64227 read_pulse 0-3 64227 NULL -+header_len_64232 header_len 0 64232 NULL -+redrat3_transmit_ir_64244 redrat3_transmit_ir 3 64244 NULL -+io_capture_transfer_64276 io_capture_transfer 4 64276 NULL -+btrfs_file_extent_offset_64278 btrfs_file_extent_offset 0 64278 NULL -+sta_current_tx_rate_read_64286 sta_current_tx_rate_read 3 64286 NULL -+event_id_read_64288 event_id_read 3 64288 NULL nohasharray -+xfs_dir_cilookup_result_64288 xfs_dir_cilookup_result 3 64288 &event_id_read_64288 -+ocfs2_block_check_validate_bhs_64302 ocfs2_block_check_validate_bhs 0 64302 NULL -+error_error_bar_retry_read_64305 error_error_bar_retry_read 3 64305 NULL -+ffz_64324 ffz 0 64324 NULL -+map_region_64328 map_region 1 64328 NULL -+sisusbcon_clear_64329 sisusbcon_clear 4-3-5 64329 NULL -+ts_write_64336 ts_write 3 64336 NULL -+usbtmc_write_64340 usbtmc_write 3 64340 NULL -+do_write_orph_node_64343 do_write_orph_node 2 64343 NULL -+ft1000_read_reg_64352 ft1000_read_reg 0 64352 NULL -+bnx2x_vfop_mcast_cmd_64354 bnx2x_vfop_mcast_cmd 5 64354 NULL -+wlc_phy_loadsampletable_nphy_64367 wlc_phy_loadsampletable_nphy 3 64367 NULL -+ilo_write_64378 ilo_write 3 64378 NULL -+btrfs_map_block_64379 btrfs_map_block 3 64379 NULL -+vmcs_readl_64381 vmcs_readl 0 64381 NULL -+nilfs_alloc_seg_bio_64383 nilfs_alloc_seg_bio 3 64383 NULL -+ir_lirc_transmit_ir_64403 ir_lirc_transmit_ir 3 64403 NULL -+pidlist_allocate_64404 pidlist_allocate 1 64404 NULL -+rx_hdr_overflow_read_64407 rx_hdr_overflow_read 3 64407 NULL -+snd_card_create_64418 snd_card_create 4 64418 NULL nohasharray -+keyctl_get_security_64418 keyctl_get_security 3 64418 &snd_card_create_64418 -+nl80211_send_mgmt_64419 nl80211_send_mgmt 7 64419 NULL -+oom_adj_write_64428 oom_adj_write 3 64428 NULL -+ext4_trim_extent_64431 ext4_trim_extent 4 64431 NULL nohasharray -+read_file_spectral_short_repeat_64431 read_file_spectral_short_repeat 3 64431 &ext4_trim_extent_64431 -+cap_capable_64462 cap_capable 0 64462 NULL -+ip_vs_create_timeout_table_64478 ip_vs_create_timeout_table 2 64478 NULL -+single_open_size_64483 single_open_size 4 64483 NULL -+p54_parse_rssical_64493 p54_parse_rssical 3 64493 NULL -+msg_data_sz_64503 msg_data_sz 0 64503 NULL -+remove_uuid_64505 remove_uuid 4 64505 NULL nohasharray -+handle_abnormal_pfn_64505 handle_abnormal_pfn 3 64505 &remove_uuid_64505 -+crypto_blkcipher_alignmask_64520 crypto_blkcipher_alignmask 0 64520 NULL -+opera1_usb_i2c_msgxfer_64521 opera1_usb_i2c_msgxfer 4 64521 NULL -+ses_send_diag_64527 ses_send_diag 4 64527 NULL -+prctl_set_mm_64538 prctl_set_mm 3 64538 NULL -+SyS_bind_64544 SyS_bind 3 64544 NULL -+rbd_obj_read_sync_64554 rbd_obj_read_sync 3-4 64554 NULL -+__spi_sync_64561 __spi_sync 0 64561 NULL -+__apei_exec_run_64563 __apei_exec_run 0 64563 NULL -+fanotify_write_64623 fanotify_write 3 64623 NULL -+to_dblock_64655 to_dblock 0-1 64655 NULL -+regmap_read_debugfs_64658 regmap_read_debugfs 5 64658 NULL -+ocfs2_read_xattr_block_64661 ocfs2_read_xattr_block 0 64661 NULL nohasharray -+tlbflush_read_file_64661 tlbflush_read_file 3 64661 &ocfs2_read_xattr_block_64661 -+efx_tsoh_get_buffer_64664 efx_tsoh_get_buffer 3 64664 NULL -+rx_rx_out_of_mpdu_nodes_read_64668 rx_rx_out_of_mpdu_nodes_read 3 64668 NULL -+nr_free_zone_pages_64680 nr_free_zone_pages 0 64680 NULL -+sec_bulk_write_64691 sec_bulk_write 2-3 64691 NULL -+__feat_register_sp_64712 __feat_register_sp 6 64712 NULL -+snd_pcm_oss_capture_position_fixup_64713 snd_pcm_oss_capture_position_fixup 0 64713 NULL -+dapm_bias_read_file_64715 dapm_bias_read_file 3 64715 NULL -+atomic_add_return_64720 atomic_add_return 0-1 64720 NULL -+i2400m_msg_to_dev_64722 i2400m_msg_to_dev 3 64722 NULL -+squashfs_read_inode_lookup_table_64739 squashfs_read_inode_lookup_table 4 64739 NULL -+bio_map_kern_64751 bio_map_kern 3 64751 NULL -+rt2x00debug_write_csr_64753 rt2x00debug_write_csr 3 64753 NULL -+isr_low_rssi_read_64789 isr_low_rssi_read 3 64789 NULL -+regmap_reg_ranges_read_file_64798 regmap_reg_ranges_read_file 3 64798 NULL -+nfsctl_transaction_write_64800 nfsctl_transaction_write 3 64800 NULL -+megaraid_change_queue_depth_64815 megaraid_change_queue_depth 2 64815 NULL -+ecryptfs_send_miscdev_64816 ecryptfs_send_miscdev 2 64816 NULL -+vaddr_get_pfn_64818 vaddr_get_pfn 1 64818 NULL -+gfn_to_page_64826 gfn_to_page 2 64826 NULL -+do_kimage_alloc_64827 do_kimage_alloc 3 64827 NULL -+altera_set_dr_pre_64862 altera_set_dr_pre 2 64862 NULL -+gfn_to_pfn_64870 gfn_to_pfn 2 64870 NULL -+ffs_epfile_io_64886 ffs_epfile_io 3 64886 NULL -+ieee80211_if_read_ave_beacon_64924 ieee80211_if_read_ave_beacon 3 64924 NULL -+ubifs_wbuf_write_nolock_64946 ubifs_wbuf_write_nolock 3 64946 NULL -+snd_rawmidi_ioctl_compat_64954 snd_rawmidi_ioctl_compat 3 64954 NULL -+ip_options_get_from_user_64958 ip_options_get_from_user 4 64958 NULL -+acpi_os_install_interrupt_handler_64968 acpi_os_install_interrupt_handler 1 64968 NULL -+traceprobe_probes_write_64969 traceprobe_probes_write 3 64969 NULL -+suspend_dtim_interval_read_64971 suspend_dtim_interval_read 3 64971 NULL -+ext2_group_first_block_no_64972 ext2_group_first_block_no 0-2 64972 NULL -+pskb_pull_65005 pskb_pull 2 65005 NULL -+unifi_write_65012 unifi_write 3 65012 NULL -+crypto_ahash_digestsize_65014 crypto_ahash_digestsize 0 65014 NULL -+nfs_readdata_alloc_65015 nfs_readdata_alloc 2 65015 NULL -+insert_dent_65034 insert_dent 7 65034 NULL -+compat_put_ushort_65040 compat_put_ushort 1 65040 NULL -+brcmf_sdcard_rwdata_65041 brcmf_sdcard_rwdata 5 65041 NULL -+tty_audit_log_65043 tty_audit_log 8 65043 NULL -+compat_cmdtest_65064 compat_cmdtest 2 65064 NULL -+count_run_65072 count_run 0-2-4 65072 NULL nohasharray -+bnx2fc_process_l2_frame_compl_65072 bnx2fc_process_l2_frame_compl 3 65072 &count_run_65072 -+__alloc_bootmem_node_high_65076 __alloc_bootmem_node_high 2-3 65076 NULL -+ocfs2_truncate_cluster_pages_65086 ocfs2_truncate_cluster_pages 2 65086 NULL -+ath9k_dump_mci_btcoex_65090 ath9k_dump_mci_btcoex 0 65090 NULL -+C_SYSC_semctl_65091 C_SYSC_semctl 4 65091 NULL -+ssb_bus_register_65183 ssb_bus_register 3 65183 NULL -+rx_rx_done_read_65217 rx_rx_done_read 3 65217 NULL -+print_endpoint_stat_65232 print_endpoint_stat 3-4-0 65232 NULL -+whci_n_caps_65247 whci_n_caps 0 65247 NULL -+atomic_long_read_65263 atomic_long_read 0 65263 NULL -+kmem_zalloc_greedy_65268 kmem_zalloc_greedy 3-2 65268 NULL -+kmalloc_parameter_65279 kmalloc_parameter 1 65279 NULL -+compat_core_sys_select_65285 compat_core_sys_select 1 65285 NULL -+mpi_set_buffer_65294 mpi_set_buffer 3 65294 NULL -+redirected_tty_write_65297 redirected_tty_write 3 65297 NULL -+get_var_len_65304 get_var_len 0 65304 NULL -+unpack_array_65318 unpack_array 0 65318 NULL -+pci_vpd_find_tag_65325 pci_vpd_find_tag 0-2 65325 NULL -+dccp_setsockopt_service_65336 dccp_setsockopt_service 4 65336 NULL -+init_list_set_65351 init_list_set 2-3 65351 NULL -+dma_rx_requested_read_65354 dma_rx_requested_read 3 65354 NULL -+batadv_tt_save_orig_buffer_65361 batadv_tt_save_orig_buffer 4 65361 NULL -+alloc_cpu_rmap_65363 alloc_cpu_rmap 1 65363 NULL -+__ext4_new_inode_65370 __ext4_new_inode 5 65370 NULL -+strchr_65372 strchr 0 65372 NULL nohasharray -+SyS_writev_65372 SyS_writev 3 65372 &strchr_65372 -+__alloc_bootmem_nopanic_65397 __alloc_bootmem_nopanic 1-2 65397 NULL -+trace_seq_to_user_65398 trace_seq_to_user 3 65398 NULL -+mtd_get_device_size_65400 mtd_get_device_size 0 65400 NULL -+iio_device_add_channel_sysfs_65406 iio_device_add_channel_sysfs 0 65406 NULL -+ocfs2_write_begin_nolock_65410 ocfs2_write_begin_nolock 3-4 65410 NULL -+drm_calloc_large_65421 drm_calloc_large 1-2 65421 NULL -+xpc_kzalloc_cacheline_aligned_65433 xpc_kzalloc_cacheline_aligned 1 65433 NULL -+usb_alloc_coherent_65444 usb_alloc_coherent 2 65444 NULL -+ath_rx_edma_init_65483 ath_rx_edma_init 2 65483 NULL -+dpcm_state_read_file_65489 dpcm_state_read_file 3 65489 NULL -+alloc_dr_65495 alloc_dr 2 65495 NULL -diff --git a/tools/gcc/size_overflow_plugin.c b/tools/gcc/size_overflow_plugin.c -new file mode 100644 -index 0000000..03d0c84 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin.c -@@ -0,0 +1,2113 @@ -+/* -+ * Copyright 2011, 2012, 2013 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * http://www.grsecurity.net/~ephox/overflow_plugin/ -+ * -+ * 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: -+ * $ gcc -I`gcc -print-file-name=plugin`/include/c-family -I`gcc -print-file-name=plugin`/include -fPIC -shared -O2 -ggdb -Wall -W -o size_overflow_plugin.so size_overflow_plugin.c -+ * $ gcc -fplugin=size_overflow_plugin.so test.c -O2 -+ */ -+ -+#include "gcc-plugin.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tree.h" -+#include "tree-pass.h" -+#include "intl.h" -+#include "plugin-version.h" -+#include "tm.h" -+#include "toplev.h" -+#include "function.h" -+#include "tree-flow.h" -+#include "plugin.h" -+#include "gimple.h" -+#include "diagnostic.h" -+#include "cfgloop.h" -+ -+#if BUILDING_GCC_VERSION >= 4008 -+#define TODO_dump_func 0 -+#endif -+ -+struct size_overflow_hash { -+ const struct size_overflow_hash * const next; -+ const char * const name; -+ const unsigned int param; -+}; -+ -+#include "size_overflow_hash.h" -+ -+enum mark { -+ MARK_NO, MARK_YES, MARK_NOT_INTENTIONAL, MARK_TURN_OFF -+}; -+ -+enum err_code_conditions { -+ CAST_ONLY, FROM_CONST -+}; -+ -+static unsigned int call_count = 0; -+ -+#define __unused __attribute__((__unused__)) -+#define NAME(node) IDENTIFIER_POINTER(DECL_NAME(node)) -+#define NAME_LEN(node) IDENTIFIER_LENGTH(DECL_NAME(node)) -+#define BEFORE_STMT true -+#define AFTER_STMT false -+#define CREATE_NEW_VAR NULL_TREE -+#define CODES_LIMIT 32 -+#define MAX_PARAM 31 -+#define MY_STMT GF_PLF_1 -+#define NO_CAST_CHECK GF_PLF_2 -+#define FROM_ARG true -+#define FROM_RET false -+ -+#if BUILDING_GCC_VERSION == 4005 -+#define DECL_CHAIN(NODE) (TREE_CHAIN(DECL_MINIMAL_CHECK(NODE))) -+#endif -+ -+int plugin_is_GPL_compatible; -+void debug_gimple_stmt(gimple gs); -+ -+static tree expand(struct pointer_set_t *visited, tree lhs); -+static enum mark pre_expand(struct pointer_set_t *visited, bool *search_err_code, const_tree lhs); -+static tree report_size_overflow_decl; -+static const_tree const_char_ptr_type_node; -+static unsigned int handle_function(void); -+static void check_size_overflow(gimple stmt, tree size_overflow_type, tree cast_rhs, tree rhs, bool before); -+static tree get_size_overflow_type(gimple stmt, const_tree node); -+static tree dup_assign(struct pointer_set_t *visited, gimple oldstmt, const_tree node, tree rhs1, tree rhs2, tree __unused rhs3); -+static void print_missing_msg(tree func, unsigned int argnum); -+ -+static struct plugin_info size_overflow_plugin_info = { -+ .version = "20130822beta", -+ .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)) { -+ tree position = TREE_VALUE(args); -+ if (TREE_CODE(position) != INTEGER_CST || TREE_INT_CST_LOW(position) > arg_count ) { -+ error("%s: parameter %u is outside range.", __func__, (unsigned int)TREE_INT_CST_LOW(position)); -+ *no_add_attrs = true; -+ } -+ } -+ return NULL_TREE; -+} -+ -+static const char* get_asm_name(tree node) -+{ -+ return IDENTIFIER_POINTER(DECL_ASSEMBLER_NAME(node)); -+} -+ -+static tree handle_intentional_overflow_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs) -+{ -+ unsigned int arg_count, arg_num; -+ 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: -+ arg_num = TREE_INT_CST_LOW(TREE_VALUE(args)); -+ if (arg_num != 0) { -+ *no_add_attrs = true; -+ error("%s: %qE attribute parameter can only be 0 in structure fields", __func__, name); -+ } -+ return NULL_TREE; -+ default: -+ *no_add_attrs = true; -+ error("%qE attribute only applies to functions", name); -+ return NULL_TREE; -+ } -+ -+ if (TREE_INT_CST_HIGH(TREE_VALUE(args)) != 0) -+ return NULL_TREE; -+ -+ for (; args; args = TREE_CHAIN(args)) { -+ tree position = TREE_VALUE(args); -+ if (TREE_CODE(position) != INTEGER_CST || TREE_INT_CST_LOW(position) > arg_count ) { -+ error("%s: parameter %u is outside range.", __func__, (unsigned int)TREE_INT_CST_LOW(position)); -+ *no_add_attrs = true; -+ } -+ } -+ 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); -+} -+ -+// 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 -+} -+ -+static inline unsigned int get_hash_num(const char *fndecl, const char *tree_codes, unsigned int len, unsigned int seed) -+{ -+ unsigned int fn = CrapWow(fndecl, strlen(fndecl), seed) & 0xffff; -+ unsigned int codes = CrapWow(tree_codes, len, seed) & 0xffff; -+ return fn ^ codes; -+} -+ -+static inline tree get_original_function_decl(tree fndecl) -+{ -+ if (DECL_ABSTRACT_ORIGIN(fndecl)) -+ return DECL_ABSTRACT_ORIGIN(fndecl); -+ return fndecl; -+} -+ -+static inline 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); -+} -+ -+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(); -+ } -+} -+ -+static size_t add_type_codes(const_tree type, unsigned char *tree_codes, size_t len) -+{ -+ gcc_assert(type != NULL_TREE); -+ -+ while (type && len < CODES_LIMIT) { -+ tree_codes[len] = get_tree_code(type); -+ len++; -+ type = TREE_TYPE(type); -+ } -+ return len; -+} -+ -+static unsigned int get_function_decl(const_tree fndecl, unsigned char *tree_codes) -+{ -+ const_tree arg, result, arg_field, type = TREE_TYPE(fndecl); -+ enum tree_code code = TREE_CODE(type); -+ size_t len = 0; -+ -+ gcc_assert(code == FUNCTION_TYPE || code == METHOD_TYPE); -+ -+ arg = TYPE_ARG_TYPES(type); -+ // skip builtins __builtin_constant_p -+ if (!arg && DECL_BUILT_IN(fndecl)) -+ return 0; -+ -+ if (TREE_CODE_CLASS(code) == tcc_type) -+ result = type; -+ else -+ result = DECL_RESULT(fndecl); -+ -+ gcc_assert(result != NULL_TREE); -+ len = add_type_codes(TREE_TYPE(result), tree_codes, len); -+ -+ if (arg == NULL_TREE) { -+ gcc_assert(CODE_CONTAINS_STRUCT(TREE_CODE(fndecl), TS_DECL_NON_COMMON)); -+ arg_field = DECL_ARGUMENT_FLD(fndecl); -+ if (arg_field == NULL_TREE) -+ return 0; -+ arg = TREE_TYPE(arg_field); -+ len = add_type_codes(arg, tree_codes, len); -+ gcc_assert(len != 0); -+ return len; -+ } -+ -+ gcc_assert(arg != NULL_TREE && TREE_CODE(arg) == TREE_LIST); -+ while (arg && len < CODES_LIMIT) { -+ len = add_type_codes(TREE_VALUE(arg), tree_codes, len); -+ arg = TREE_CHAIN(arg); -+ } -+ -+ gcc_assert(len != 0); -+ return len; -+} -+ -+static const struct size_overflow_hash *get_function_hash(tree fndecl) -+{ -+ unsigned int hash; -+ const struct size_overflow_hash *entry; -+ unsigned char tree_codes[CODES_LIMIT]; -+ size_t len; -+ const char *func_name; -+ -+ fndecl = get_original_function_decl(fndecl); -+ len = get_function_decl(fndecl, tree_codes); -+ if (len == 0) -+ return NULL; -+ -+ func_name = get_asm_name(fndecl); -+ hash = get_hash_num(func_name, (const char*) tree_codes, len, 0); -+ -+ entry = size_overflow_hash[hash]; -+ while (entry) { -+ if (!strcmp(entry->name, func_name)) -+ return entry; -+ entry = entry->next; -+ } -+ -+ return NULL; -+} -+ -+static bool is_bool(const_tree node) -+{ -+ const_tree type; -+ -+ if (node == NULL_TREE) -+ return false; -+ -+ type = TREE_TYPE(node); -+ if (!INTEGRAL_TYPE_P(type)) -+ return false; -+ if (TREE_CODE(type) == BOOLEAN_TYPE) -+ return true; -+ if (TYPE_PRECISION(type) == 1) -+ return true; -+ return false; -+} -+ -+static bool skip_types(const_tree var) -+{ -+ tree type; -+ -+ if (is_gimple_constant(var)) -+ return true; -+ -+ switch (TREE_CODE(var)) { -+ case ADDR_EXPR: -+#if BUILDING_GCC_VERSION >= 4006 -+ case MEM_REF: -+#endif -+ case ARRAY_REF: -+ case BIT_FIELD_REF: -+ case INDIRECT_REF: -+ case TARGET_MEM_REF: -+ return true; -+ case PARM_DECL: -+ case VAR_DECL: -+ case COMPONENT_REF: -+ return false; -+ default: -+ break; -+ } -+ -+ gcc_assert(TREE_CODE(var) == SSA_NAME); -+ -+ type = TREE_TYPE(var); -+ switch (TREE_CODE(type)) { -+ case INTEGER_TYPE: -+ case ENUMERAL_TYPE: -+ return false; -+ case BOOLEAN_TYPE: -+ return is_bool(var); -+ default: -+ break; -+ } -+ -+ gcc_assert(TREE_CODE(type) == POINTER_TYPE); -+ -+ type = TREE_TYPE(type); -+ gcc_assert(type != NULL_TREE); -+ switch (TREE_CODE(type)) { -+ case RECORD_TYPE: -+ case POINTER_TYPE: -+ case ARRAY_TYPE: -+ return true; -+ case VOID_TYPE: -+ case INTEGER_TYPE: -+ case UNION_TYPE: -+ return false; -+ default: -+ break; -+ } -+ -+ debug_tree((tree)var); -+ gcc_unreachable(); -+} -+ -+static unsigned int find_arg_number(const_tree arg, tree func) -+{ -+ tree var; -+ unsigned int argnum = 1; -+ -+ 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(NAME(var), NAME(arg))) -+ continue; -+ if (!skip_types(var)) -+ return argnum; -+ } -+ -+ return 0; -+} -+ -+static tree create_new_var(tree type) -+{ -+ tree new_var = create_tmp_var(type, "cicus"); -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ add_referenced_var(new_var); -+#endif -+ return new_var; -+} -+ -+static gimple create_binary_assign(enum tree_code code, gimple stmt, tree rhs1, tree rhs2) -+{ -+ gimple 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 = gimple_build_assign_with_ops(code, lhs, rhs1, rhs2); -+ gimple_set_lhs(assign, make_ssa_name(lhs, assign)); -+ -+ gsi_insert_before(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+ gimple_set_plf(assign, MY_STMT, true); -+ return assign; -+} -+ -+static 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); -+} -+ -+static tree get_lhs(const_gimple stmt) -+{ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_ASSIGN: -+ return gimple_get_lhs(stmt); -+ case GIMPLE_PHI: -+ return gimple_phi_result(stmt); -+ case GIMPLE_CALL: -+ return gimple_call_lhs(stmt); -+ default: -+ return NULL_TREE; -+ } -+} -+ -+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; -+} -+ -+static gimple build_cast_stmt(tree dst_type, tree rhs, tree lhs, gimple_stmt_iterator *gsi, bool before, bool force) -+{ -+ gimple assign, def_stmt; -+ -+ gcc_assert(dst_type != NULL_TREE && rhs != NULL_TREE); -+ if (gsi_end_p(*gsi) && before == AFTER_STMT) -+ gcc_unreachable(); -+ -+ def_stmt = get_def_stmt(rhs); -+ if (skip_cast(dst_type, rhs, force) && gimple_plf(def_stmt, MY_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_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); -+ gimple_set_plf(assign, MY_STMT, true); -+ -+ return assign; -+} -+ -+static tree cast_to_new_size_overflow_type(gimple stmt, tree rhs, tree size_overflow_type, bool before) -+{ -+ gimple_stmt_iterator gsi; -+ tree lhs; -+ const_gimple new_stmt; -+ -+ if (rhs == NULL_TREE) -+ return NULL_TREE; -+ -+ gsi = gsi_for_stmt(stmt); -+ new_stmt = build_cast_stmt(size_overflow_type, rhs, CREATE_NEW_VAR, &gsi, before, false); -+ -+ lhs = get_lhs(new_stmt); -+ gcc_assert(lhs != NULL_TREE); -+ return lhs; -+} -+ -+static tree cast_to_TI_type(gimple stmt, tree node) -+{ -+ gimple_stmt_iterator gsi; -+ 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(intTI_type_node, node, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ return gimple_get_lhs(cast_stmt); -+} -+ -+static void check_function_hash(const_gimple stmt) -+{ -+ tree func; -+ const struct size_overflow_hash *hash; -+ -+ if (gimple_code(stmt) != GIMPLE_CALL) -+ return; -+ -+ func = gimple_call_fndecl(stmt); -+ //fs/xattr.c D.34222_15 = D.34219_14 (dentry_3(D), name_7(D), 0B, 0); -+ if (func == NULL_TREE) -+ return; -+ -+ hash = get_function_hash(func); -+ if (!hash) -+ print_missing_msg(func, 0); -+} -+ -+static tree create_assign(struct pointer_set_t *visited, gimple oldstmt, tree rhs1, bool before) -+{ -+ tree lhs, new_lhs; -+ 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: -+ lhs = gimple_call_lhs(oldstmt); -+ break; -+ 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, 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); -+ } -+ -+ new_lhs = cast_to_new_size_overflow_type(oldstmt, rhs1, get_size_overflow_type(oldstmt, lhs), before); -+ return new_lhs; -+} -+ -+static tree dup_assign(struct pointer_set_t *visited, gimple oldstmt, const_tree node, tree rhs1, tree rhs2, tree __unused rhs3) -+{ -+ gimple stmt; -+ gimple_stmt_iterator gsi; -+ tree size_overflow_type, new_var, lhs = gimple_get_lhs(oldstmt); -+ -+ if (gimple_plf(oldstmt, MY_STMT)) -+ 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 = gimple_copy(oldstmt); -+ gimple_set_location(stmt, gimple_location(oldstmt)); -+ gimple_set_plf(stmt, MY_STMT, true); -+ -+ if (gimple_assign_rhs_code(oldstmt) == WIDEN_MULT_EXPR) -+ gimple_assign_set_rhs_code(stmt, MULT_EXPR); -+ -+ size_overflow_type = get_size_overflow_type(oldstmt, node); -+ -+ new_var = create_new_var(size_overflow_type); -+ new_var = make_ssa_name(new_var, stmt); -+ gimple_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 >= 4007 -+ 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, oldstmt); -+ return gimple_get_lhs(stmt); -+} -+ -+static tree cast_parm_decl(tree phi_ssa_name, tree arg, tree size_overflow_type) -+{ -+ basic_block first_bb; -+ gimple assign; -+ gimple_stmt_iterator gsi; -+ -+ first_bb = split_block_after_labels(ENTRY_BLOCK_PTR)->dest; -+ gcc_assert(dom_info_available_p(CDI_DOMINATORS)); -+ set_immediate_dominator(CDI_DOMINATORS, first_bb, ENTRY_BLOCK_PTR); -+ -+ gsi = gsi_start_bb(first_bb); -+ assign = build_cast_stmt(size_overflow_type, arg, phi_ssa_name, &gsi, BEFORE_STMT, false); -+ return gimple_get_lhs(assign); -+} -+ -+static tree use_phi_ssa_name(tree phi_ssa_name, 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(TREE_TYPE(new_arg), new_arg, phi_ssa_name, &gsi, BEFORE_STMT, true); -+ } else { -+ gsi = gsi_for_stmt(def_stmt); -+ assign = build_cast_stmt(TREE_TYPE(new_arg), new_arg, phi_ssa_name, &gsi, AFTER_STMT, true); -+ } -+ -+ return gimple_get_lhs(assign); -+} -+ -+static tree cast_visited_phi_arg(tree phi_ssa_name, tree arg, tree size_overflow_type) -+{ -+ basic_block bb; -+ gimple_stmt_iterator gsi; -+ const_gimple assign, def_stmt; -+ -+ 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(size_overflow_type, arg, phi_ssa_name, &gsi, BEFORE_STMT, false); -+ return gimple_get_lhs(assign); -+} -+ -+static tree create_new_phi_arg(tree phi_ssa_name, tree new_arg, tree arg, gimple oldstmt) -+{ -+ tree size_overflow_type; -+ const_gimple def_stmt = get_def_stmt(arg); -+ -+ if (phi_ssa_name != NULL_TREE) -+ phi_ssa_name = SSA_NAME_VAR(phi_ssa_name); -+ -+ size_overflow_type = get_size_overflow_type(oldstmt, arg); -+ -+ if (new_arg != NULL_TREE) { -+ gcc_assert(types_compatible_p(TREE_TYPE(new_arg), size_overflow_type)); -+ return use_phi_ssa_name(phi_ssa_name, new_arg); -+ } -+ -+ switch(gimple_code(def_stmt)) { -+ case GIMPLE_PHI: -+ return cast_visited_phi_arg(phi_ssa_name, arg, size_overflow_type); -+ case GIMPLE_NOP: -+ return cast_parm_decl(phi_ssa_name, arg, size_overflow_type); -+ default: -+ debug_gimple_stmt((gimple)def_stmt); -+ gcc_unreachable(); -+ } -+} -+ -+static gimple overflow_create_phi_node(gimple oldstmt, tree result) -+{ -+ basic_block bb; -+ gimple phi; -+ gimple_seq seq; -+ gimple_stmt_iterator gsi = gsi_for_stmt(oldstmt); -+ -+ bb = gsi_bb(gsi); -+ -+ phi = create_phi_node(result, bb); -+ 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); -+ gimple_set_plf(phi, MY_STMT, true); -+ return phi; -+} -+ -+static tree handle_phi(struct pointer_set_t *visited, tree orig_result) -+{ -+ gimple new_phi = NULL; -+ gimple oldstmt = get_def_stmt(orig_result); -+ tree phi_ssa_name = NULL_TREE; -+ unsigned int i; -+ -+ pointer_set_insert(visited, oldstmt); -+ for (i = 0; i < gimple_phi_num_args(oldstmt); i++) { -+ tree arg, new_arg; -+ -+ arg = gimple_phi_arg_def(oldstmt, i); -+ -+ new_arg = expand(visited, arg); -+ new_arg = create_new_phi_arg(phi_ssa_name, new_arg, arg, oldstmt); -+ if (i == 0) { -+ phi_ssa_name = new_arg; -+ new_phi = overflow_create_phi_node(oldstmt, SSA_NAME_VAR(phi_ssa_name)); -+ } -+ -+ gcc_assert(new_phi != NULL); -+ add_phi_arg(new_phi, new_arg, gimple_phi_arg_edge(oldstmt, i), gimple_location(oldstmt)); -+ } -+ -+ gcc_assert(new_phi != NULL); -+ update_stmt(new_phi); -+ return gimple_phi_result(new_phi); -+} -+ -+static tree change_assign_rhs(gimple 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); -+ -+ gcc_assert(gimple_code(stmt) == GIMPLE_ASSIGN); -+ -+ assign = build_cast_stmt(origtype, new_rhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ return gimple_get_lhs(assign); -+} -+ -+static 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 (!gimple_assign_cast_p(def_stmt)) -+ return false; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ lhs = gimple_get_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 tree create_cast_assign(struct pointer_set_t *visited, gimple stmt) -+{ -+ tree rhs1 = gimple_assign_rhs1(stmt); -+ tree lhs = gimple_get_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 no_uses(tree node) -+{ -+ imm_use_iterator imm_iter; -+ use_operand_p use_p; -+ -+ FOR_EACH_IMM_USE_FAST(use_p, imm_iter, node) { -+ const_gimple use_stmt = USE_STMT(use_p); -+ if (use_stmt == NULL) -+ return true; -+ if (is_gimple_debug(use_stmt)) -+ continue; -+ if (!(gimple_bb(use_stmt)->flags & BB_REACHABLE)) -+ continue; -+ return false; -+ } -+ return true; -+} -+ -+// 3.8.5 mm/page-writeback.c __ilog2_u64(): ret, uint + uintmax; uint -> int; int max -+static 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 || gimple_code(def_stmt) != GIMPLE_ASSIGN || 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 skip_lhs_cast_check(const_gimple 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_cast_overflow_check(struct pointer_set_t *visited, tree new_rhs1, gimple stmt) -+{ -+ bool cast_lhs, cast_rhs; -+ tree lhs = gimple_get_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 pointer_set_t *visited, gimple stmt) -+{ -+ tree rhs1, new_rhs1, lhs = gimple_get_lhs(stmt); -+ -+ if (gimple_plf(stmt, MY_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 (gimple_plf(stmt, NO_CAST_CHECK)) -+ return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE); -+ -+ if (gimple_assign_rhs_code(stmt) == BIT_NOT_EXPR) { -+ tree size_overflow_type = get_size_overflow_type(stmt, rhs1); -+ -+ new_rhs1 = cast_to_new_size_overflow_type(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 pointer_set_t *visited, gimple stmt) -+{ -+ tree rhs1, lhs = gimple_get_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: -+ return handle_unary_rhs(visited, def_stmt); -+ 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: -+ 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 insert_cond(basic_block cond_bb, tree arg, enum tree_code cond_code, tree type_value) -+{ -+ gimple 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 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_result(basic_block bb_true, const_gimple stmt, const_tree arg, bool min) -+{ -+ gimple 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; -+ 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(NAME_LEN(current_function_decl) + 1, NAME(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", NAME(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) -+ func_stmt = gimple_build_call(report_size_overflow_decl, 4, loc_file, loc_line, current_func, ssa_name); -+ -+ gsi_insert_after(&gsi, func_stmt, GSI_CONTINUE_LINKING); -+} -+ -+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 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); -+} -+ -+static 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); -+ type_min_type = TREE_TYPE(type_min); -+ gcc_assert(types_compatible_p(cast_rhs_type, type_max_type)); -+ gcc_assert(types_compatible_p(type_max_type, type_min_type)); -+ -+ insert_check_size_overflow(stmt, GT_EXPR, cast_rhs, type_max, before, false); -+ insert_check_size_overflow(stmt, LT_EXPR, cast_rhs, type_min, before, true); -+} -+ -+static bool is_a_constant_overflow(const_gimple stmt, const_tree rhs) -+{ -+ if (gimple_assign_rhs_code(stmt) == MIN_EXPR) -+ return false; -+ if (!is_gimple_constant(rhs)) -+ return false; -+ return true; -+} -+ -+static tree get_def_stmt_rhs(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); -+ gcc_assert(gimple_code(def_stmt) != GIMPLE_NOP && gimple_plf(def_stmt, MY_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(); -+ } -+} -+ -+static tree handle_intentional_overflow(struct pointer_set_t *visited, bool check_overflow, gimple 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_get_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(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(const_gimple 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_get_lhs(rhs1_def_stmt); -+ rhs2_def_stmt_lhs = gimple_get_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; -+ -+ gimple_set_plf(rhs1_def_stmt, NO_CAST_CHECK, true); -+ gimple_set_plf(rhs2_def_stmt, NO_CAST_CHECK, true); -+ return true; -+} -+ -+static tree handle_integer_truncation(struct pointer_set_t *visited, const_tree lhs) -+{ -+ tree new_rhs1, new_rhs2; -+ tree new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1, new_lhs; -+ gimple assign, stmt = get_def_stmt(lhs); -+ tree rhs1 = gimple_assign_rhs1(stmt); -+ tree rhs2 = gimple_assign_rhs2(stmt); -+ -+ if (!is_subtraction_special(stmt)) -+ return NULL_TREE; -+ -+ new_rhs1 = expand(visited, rhs1); -+ new_rhs2 = expand(visited, rhs2); -+ -+ new_rhs1_def_stmt_rhs1 = get_def_stmt_rhs(new_rhs1); -+ new_rhs2_def_stmt_rhs1 = get_def_stmt_rhs(new_rhs2); -+ -+ 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(stmt, new_rhs1_def_stmt_rhs1); -+ new_rhs2_def_stmt_rhs1 = cast_to_TI_type(stmt, new_rhs2_def_stmt_rhs1); -+ } -+ -+ assign = create_binary_assign(MINUS_EXPR, stmt, new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1); -+ new_lhs = gimple_get_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); -+} -+ -+static bool is_a_neg_overflow(const_gimple 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 (gimple_code(def_stmt) != GIMPLE_ASSIGN || gimple_assign_rhs_code(def_stmt) != BIT_NOT_EXPR) -+ return false; -+ -+ return true; -+} -+ -+static tree handle_binary_ops(struct pointer_set_t *visited, tree lhs) -+{ -+ tree rhs1, rhs2, new_lhs; -+ gimple def_stmt = get_def_stmt(lhs); -+ tree new_rhs1 = NULL_TREE; -+ tree new_rhs2 = NULL_TREE; -+ -+ 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); -+ -+ 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); -+ -+ return dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE); -+} -+ -+#if BUILDING_GCC_VERSION >= 4007 -+static tree get_new_rhs(struct pointer_set_t *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 pointer_set_t *visited, tree lhs) -+{ -+ tree rhs1, rhs2, rhs3, new_rhs1, new_rhs2, new_rhs3, size_overflow_type; -+ gimple def_stmt = get_def_stmt(lhs); -+ -+ size_overflow_type = get_size_overflow_type(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_size_overflow_type(gimple stmt, const_tree node) -+{ -+ const_tree type; -+ tree new_type; -+ -+ gcc_assert(node != NULL_TREE); -+ -+ type = TREE_TYPE(node); -+ -+ if (gimple_plf(stmt, MY_STMT)) -+ return TREE_TYPE(node); -+ -+ switch (TYPE_MODE(type)) { -+ case QImode: -+ new_type = intHI_type_node; -+ break; -+ case HImode: -+ new_type = intSI_type_node; -+ break; -+ case SImode: -+ new_type = intDI_type_node; -+ break; -+ case DImode: -+ if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode)) -+ new_type = intDI_type_node; -+ else -+ new_type = intTI_type_node; -+ break; -+ default: -+ debug_tree((tree)node); -+ error("%s: unsupported gcc configuration.", __func__); -+ gcc_unreachable(); -+ } -+ -+ if (TYPE_QUALS(type) != 0) -+ return build_qualified_type(new_type, TYPE_QUALS(type)); -+ return new_type; -+} -+ -+static tree expand_visited(gimple def_stmt) -+{ -+ const_gimple next_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; -+ gcc_assert(!gsi_end_p(gsi)); -+ next_stmt = gsi_stmt(gsi); -+ -+ if (gimple_code(def_stmt) == GIMPLE_PHI && !gimple_plf((gimple)next_stmt, MY_STMT)) -+ return NULL_TREE; -+ gcc_assert(gimple_plf((gimple)next_stmt, MY_STMT)); -+ -+ return get_lhs(next_stmt); -+} -+ -+static tree expand(struct pointer_set_t *visited, tree lhs) -+{ -+ gimple def_stmt; -+ -+ if (skip_types(lhs)) -+ return NULL_TREE; -+ -+ def_stmt = get_def_stmt(lhs); -+ -+ if (!def_stmt || gimple_code(def_stmt) == GIMPLE_NOP) -+ return NULL_TREE; -+ -+ if (gimple_plf(def_stmt, MY_STMT)) -+ return lhs; -+ -+ if (pointer_set_contains(visited, def_stmt)) -+ return expand_visited(def_stmt); -+ -+ switch (gimple_code(def_stmt)) { -+ case GIMPLE_PHI: -+ return handle_phi(visited, lhs); -+ case GIMPLE_CALL: -+ case GIMPLE_ASM: -+ 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, def_stmt); -+ case 3: -+ return handle_binary_ops(visited, lhs); -+#if BUILDING_GCC_VERSION >= 4007 -+ case 4: -+ return handle_ternary_ops(visited, lhs); -+#endif -+ } -+ default: -+ debug_gimple_stmt(def_stmt); -+ error("%s: unknown gimple code", __func__); -+ gcc_unreachable(); -+ } -+} -+ -+static tree get_new_tree(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(orig_type, new_node, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ return gimple_get_lhs(assign); -+} -+ -+static void change_function_arg(gimple stmt, const_tree orig_arg, unsigned int argnum, tree new_arg) -+{ -+ gimple_call_set_arg(stmt, argnum, get_new_tree(stmt, orig_arg, new_arg)); -+ update_stmt(stmt); -+} -+ -+static void change_function_return(gimple stmt, const_tree orig_ret, tree new_ret) -+{ -+ gimple_return_set_retval(stmt, get_new_tree(stmt, orig_ret, new_ret)); -+ update_stmt(stmt); -+} -+ -+static bool get_function_arg(unsigned int* argnum, const_tree fndecl) -+{ -+ tree arg; -+ const_tree origarg; -+ -+ if (!DECL_ABSTRACT_ORIGIN(fndecl)) -+ return true; -+ -+ origarg = DECL_ARGUMENTS(DECL_ABSTRACT_ORIGIN(fndecl)); -+ while (origarg && *argnum) { -+ (*argnum)--; -+ origarg = TREE_CHAIN(origarg); -+ } -+ -+ gcc_assert(*argnum == 0); -+ -+ gcc_assert(origarg != NULL_TREE); -+ *argnum = 0; -+ for (arg = DECL_ARGUMENTS(fndecl); arg; arg = TREE_CHAIN(arg), (*argnum)++) -+ if (operand_equal_p(origarg, arg, 0) || !strcmp(NAME(origarg), NAME(arg))) -+ return true; -+ return false; -+} -+ -+static enum mark walk_phi(struct pointer_set_t *visited, bool *search_err_code, const_tree result) -+{ -+ gimple phi = get_def_stmt(result); -+ unsigned int i, n = gimple_phi_num_args(phi); -+ -+ if (!phi) -+ return MARK_NO; -+ -+ pointer_set_insert(visited, phi); -+ for (i = 0; i < n; i++) { -+ enum mark marked; -+ const_tree arg = gimple_phi_arg_def(phi, i); -+ marked = pre_expand(visited, search_err_code, arg); -+ if (marked != MARK_NO) -+ return marked; -+ } -+ return MARK_NO; -+} -+ -+static enum mark walk_unary_ops(struct pointer_set_t *visited, bool *search_err_code, const_tree lhs) -+{ -+ gimple def_stmt = get_def_stmt(lhs); -+ const_tree rhs; -+ -+ if (!def_stmt) -+ return MARK_NO; -+ -+ rhs = gimple_assign_rhs1(def_stmt); -+ -+ def_stmt = get_def_stmt(rhs); -+ if (is_gimple_constant(rhs)) -+ search_err_code[FROM_CONST] = true; -+ -+ return pre_expand(visited, search_err_code, rhs); -+} -+ -+static enum mark walk_binary_ops(struct pointer_set_t *visited, bool *search_err_code, const_tree lhs) -+{ -+ gimple def_stmt = get_def_stmt(lhs); -+ const_tree rhs1, rhs2; -+ enum mark marked; -+ -+ if (!def_stmt) -+ return MARK_NO; -+ -+ search_err_code[CAST_ONLY] = false; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ marked = pre_expand(visited, search_err_code, rhs1); -+ if (marked != MARK_NO) -+ return marked; -+ return pre_expand(visited, search_err_code, rhs2); -+} -+ -+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; -+} -+ -+static enum mark mark_status(const_tree fndecl, unsigned int argnum) -+{ -+ const_tree attr, p; -+ -+ // mm/filemap.c D.35286_51 = D.35283_46 (file_10(D), mapping_11, pos_1, D.35273_50, D.35285_49, page.14_48, fsdata.15_47); -+ if (fndecl == NULL_TREE) -+ return MARK_NO; -+ -+ attr = lookup_attribute("intentional_overflow", DECL_ATTRIBUTES(fndecl)); -+ if (!attr || !TREE_VALUE(attr)) -+ return MARK_NO; -+ -+ p = TREE_VALUE(attr); -+ if (TREE_INT_CST_HIGH(TREE_VALUE(p)) == -1) -+ return MARK_TURN_OFF; -+ if (!TREE_INT_CST_LOW(TREE_VALUE(p))) -+ return MARK_NOT_INTENTIONAL; -+ if (argnum == 0) { -+ gcc_assert(current_function_decl == fndecl); -+ return MARK_NO; -+ } -+ -+ do { -+ if (argnum == TREE_INT_CST_LOW(TREE_VALUE(p))) -+ return MARK_YES; -+ p = TREE_CHAIN(p); -+ } while (p); -+ -+ return MARK_NO; -+} -+ -+static void print_missing_msg(tree func, unsigned int argnum) -+{ -+ unsigned int new_hash; -+ size_t len; -+ unsigned char tree_codes[CODES_LIMIT]; -+ location_t loc; -+ const char *curfunc; -+ -+ func = get_original_function_decl(func); -+ loc = DECL_SOURCE_LOCATION(func); -+ curfunc = get_asm_name(func); -+ -+ len = get_function_decl(func, tree_codes); -+ new_hash = get_hash_num(curfunc, (const char *) tree_codes, len, 0); -+ inform(loc, "Function %s is missing from the size_overflow hash table +%s+%u+%u+", curfunc, curfunc, argnum, new_hash); -+} -+ -+static unsigned int search_missing_attribute(const_tree arg) -+{ -+ unsigned int argnum; -+ const struct size_overflow_hash *hash; -+ const_tree type = TREE_TYPE(arg); -+ tree func = get_original_function_decl(current_function_decl); -+ -+ gcc_assert(TREE_CODE(arg) != COMPONENT_REF); -+ -+ if (TREE_CODE(type) == POINTER_TYPE) -+ return 0; -+ -+ argnum = find_arg_number(arg, func); -+ if (argnum == 0) -+ return 0; -+ -+ if (lookup_attribute("size_overflow", DECL_ATTRIBUTES(func))) -+ return argnum; -+ -+ hash = get_function_hash(func); -+ if (!hash || !(hash->param & (1U << argnum))) { -+ print_missing_msg(func, argnum); -+ return 0; -+ } -+ return argnum; -+} -+ -+static enum mark is_already_marked(const_tree lhs) -+{ -+ unsigned int argnum; -+ const_tree fndecl; -+ -+ argnum = search_missing_attribute(lhs); -+ fndecl = get_original_function_decl(current_function_decl); -+ if (argnum && mark_status(fndecl, argnum) == MARK_YES) -+ return MARK_YES; -+ return MARK_NO; -+} -+ -+static enum mark pre_expand(struct pointer_set_t *visited, bool *search_err_code, const_tree lhs) -+{ -+ const_gimple def_stmt; -+ -+ if (skip_types(lhs)) -+ return MARK_NO; -+ -+ if (TREE_CODE(lhs) == PARM_DECL) -+ return is_already_marked(lhs); -+ -+ if (TREE_CODE(lhs) == COMPONENT_REF) { -+ const_tree field, attr; -+ -+ field = search_field_decl(lhs); -+ attr = lookup_attribute("intentional_overflow", DECL_ATTRIBUTES(field)); -+ if (!attr || !TREE_VALUE(attr)) -+ return MARK_NO; -+ return MARK_YES; -+ } -+ -+ def_stmt = get_def_stmt(lhs); -+ -+ if (!def_stmt) -+ return MARK_NO; -+ -+ if (pointer_set_contains(visited, def_stmt)) -+ return MARK_NO; -+ -+ switch (gimple_code(def_stmt)) { -+ case GIMPLE_NOP: -+ if (TREE_CODE(SSA_NAME_VAR(lhs)) == PARM_DECL) -+ return is_already_marked(lhs); -+ return MARK_NO; -+ case GIMPLE_PHI: -+ return walk_phi(visited, search_err_code, lhs); -+ case GIMPLE_CALL: -+ if (mark_status((gimple_call_fndecl(def_stmt)), 0) == MARK_TURN_OFF) -+ return MARK_TURN_OFF; -+ check_function_hash(def_stmt); -+ return MARK_NO; -+ case GIMPLE_ASM: -+ search_err_code[CAST_ONLY] = false; -+ return MARK_NO; -+ case GIMPLE_ASSIGN: -+ switch (gimple_num_ops(def_stmt)) { -+ case 2: -+ return walk_unary_ops(visited, search_err_code, lhs); -+ case 3: -+ return walk_binary_ops(visited, search_err_code, lhs); -+ } -+ default: -+ debug_gimple_stmt((gimple)def_stmt); -+ error("%s: unknown gimple code", __func__); -+ gcc_unreachable(); -+ } -+} -+ -+// e.g., 3.8.2, 64, arch/x86/ia32/ia32_signal.c copy_siginfo_from_user32(): compat_ptr() u32 max -+static bool skip_asm(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)); -+ return def_stmt && gimple_code(def_stmt) == GIMPLE_ASM; -+} -+ -+/* -+0</MARK_YES: no dup, search attributes (so, int) -+0/MARK_NOT_INTENTIONAL: no dup, search attribute (int) -+-1/MARK_TURN_OFF: no dup, no search, current_function_decl -> no dup -+*/ -+ -+static bool search_attributes(tree fndecl, const_tree arg, unsigned int argnum, bool where) -+{ -+ struct pointer_set_t *visited; -+ enum mark is_marked, is_found; -+ location_t loc; -+ bool search_err_code[2] = {true, false}; -+ -+ is_marked = mark_status(current_function_decl, 0); -+ if (is_marked == MARK_TURN_OFF) -+ return true; -+ -+ is_marked = mark_status(fndecl, argnum + 1); -+ if (is_marked == MARK_TURN_OFF || is_marked == MARK_NOT_INTENTIONAL) -+ return true; -+ -+ visited = pointer_set_create(); -+ is_found = pre_expand(visited, search_err_code, arg); -+ pointer_set_destroy(visited); -+ -+ if (where == FROM_RET && search_err_code[CAST_ONLY] && search_err_code[FROM_CONST]) -+ return true; -+ -+ if (where == FROM_ARG && skip_asm(arg)) -+ return true; -+ -+ if (is_found == MARK_TURN_OFF) -+ return true; -+ -+ if ((is_found == MARK_YES && is_marked == MARK_YES)) -+ return true; -+ -+ if (is_found == MARK_YES) { -+ loc = DECL_SOURCE_LOCATION(fndecl); -+ inform(loc, "The intentional_overflow attribute is missing from +%s+%u+", get_asm_name(fndecl), argnum + 1); -+ return true; -+ } -+ return false; -+} -+ -+static void handle_function_arg(gimple stmt, tree fndecl, unsigned int argnum) -+{ -+ struct pointer_set_t *visited; -+ tree arg, new_arg; -+ bool match; -+ -+ if (argnum == 0) -+ return; -+ -+ argnum--; -+ -+ match = get_function_arg(&argnum, fndecl); -+ if (!match) -+ return; -+ gcc_assert(gimple_call_num_args(stmt) > argnum); -+ arg = gimple_call_arg(stmt, argnum); -+ if (arg == NULL_TREE) -+ return; -+ -+ if (skip_types(arg)) -+ return; -+ -+ if (search_attributes(fndecl, arg, argnum, FROM_ARG)) -+ return; -+ -+ visited = pointer_set_create(); -+ new_arg = expand(visited, arg); -+ pointer_set_destroy(visited); -+ -+ if (new_arg == NULL_TREE) -+ return; -+ -+ change_function_arg(stmt, arg, argnum, new_arg); -+ check_size_overflow(stmt, TREE_TYPE(new_arg), new_arg, arg, BEFORE_STMT); -+} -+ -+static void handle_function_by_attribute(gimple stmt, const_tree attr, tree fndecl) -+{ -+ tree p = TREE_VALUE(attr); -+ do { -+ handle_function_arg(stmt, fndecl, TREE_INT_CST_LOW(TREE_VALUE(p))); -+ p = TREE_CHAIN(p); -+ } while (p); -+} -+ -+static void handle_function_by_hash(gimple stmt, tree fndecl) -+{ -+ unsigned int num; -+ const struct size_overflow_hash *hash; -+ -+ hash = get_function_hash(fndecl); -+ if (!hash) -+ return; -+ -+ for (num = 0; num <= MAX_PARAM; num++) -+ if (hash->param & (1U << num)) -+ handle_function_arg(stmt, fndecl, num); -+} -+ -+static bool check_return_value(void) -+{ -+ const struct size_overflow_hash *hash; -+ -+ hash = get_function_hash(current_function_decl); -+ if (!hash || !(hash->param & 1U << 0)) -+ return false; -+ -+ return true; -+} -+ -+static void handle_return_value(gimple ret_stmt) -+{ -+ struct pointer_set_t *visited; -+ tree ret, new_ret; -+ -+ if (gimple_code(ret_stmt) != GIMPLE_RETURN) -+ return; -+ -+ ret = gimple_return_retval(ret_stmt); -+ -+ if (skip_types(ret)) -+ return; -+ -+ if (search_attributes(current_function_decl, ret, 0, FROM_RET)) -+ return; -+ -+ visited = pointer_set_create(); -+ new_ret = expand(visited, ret); -+ pointer_set_destroy(visited); -+ -+ change_function_return(ret_stmt, ret, new_ret); -+ check_size_overflow(ret_stmt, TREE_TYPE(new_ret), new_ret, ret, BEFORE_STMT); -+} -+ -+static void set_plf_false(void) -+{ -+ basic_block bb; -+ -+ FOR_ALL_BB(bb) { -+ gimple_stmt_iterator si; -+ -+ for (si = gsi_start_bb(bb); !gsi_end_p(si); gsi_next(&si)) -+ gimple_set_plf(gsi_stmt(si), MY_STMT, false); -+ for (si = gsi_start_phis(bb); !gsi_end_p(si); gsi_next(&si)) -+ gimple_set_plf(gsi_stmt(si), MY_STMT, false); -+ } -+} -+ -+static unsigned int handle_function(void) -+{ -+ basic_block next, bb = ENTRY_BLOCK_PTR->next_bb; -+ bool check_ret; -+ -+ set_plf_false(); -+ -+ check_ret = check_return_value(); -+ -+ do { -+ gimple_stmt_iterator gsi; -+ next = bb->next_bb; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ tree fndecl, attr; -+ gimple stmt = gsi_stmt(gsi); -+ -+ if (check_ret) -+ handle_return_value(stmt); -+ -+ if (!(is_gimple_call(stmt))) -+ continue; -+ fndecl = gimple_call_fndecl(stmt); -+ if (fndecl == NULL_TREE) -+ continue; -+ if (gimple_call_num_args(stmt) == 0) -+ continue; -+ attr = lookup_attribute("size_overflow", DECL_ATTRIBUTES(fndecl)); -+ if (!attr || !TREE_VALUE(attr)) -+ handle_function_by_hash(stmt, fndecl); -+ else -+ handle_function_by_attribute(stmt, attr, fndecl); -+ gsi = gsi_for_stmt(stmt); -+ next = gimple_bb(stmt)->next_bb; -+ } -+ bb = next; -+ } while (bb); -+ return 0; -+} -+ -+static struct gimple_opt_pass size_overflow_pass = { -+ .pass = { -+ .type = GIMPLE_PASS, -+ .name = "size_overflow", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+ .gate = NULL, -+ .execute = handle_function, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .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 -+ } -+}; -+ -+static void start_unit_callback(void __unused *gcc_data, void __unused *user_data) -+{ -+ tree fntype; -+ -+ const_char_ptr_type_node = build_pointer_type(build_type_variant(char_type_node, 1, 0)); -+ -+ // 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; -+} -+ -+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 size_overflow_pass_info = { -+ .pass = &size_overflow_pass.pass, -+ .reference_pass_name = "ssa", -+ .ref_pass_instance_number = 1, -+ .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("start_unit", PLUGIN_START_UNIT, &start_unit_callback, NULL); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &size_overflow_pass_info); -+ } -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/stackleak_plugin.c b/tools/gcc/stackleak_plugin.c -new file mode 100644 -index 0000000..ac2901e ---- /dev/null -+++ b/tools/gcc/stackleak_plugin.c -@@ -0,0 +1,327 @@ -+/* -+ * Copyright 2011-2013 by the PaX Team pageexec@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-plugin.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tree.h" -+#include "tree-pass.h" -+#include "flags.h" -+#include "intl.h" -+#include "toplev.h" -+#include "plugin.h" -+//#include "expr.h" where are you... -+#include "diagnostic.h" -+#include "plugin-version.h" -+#include "tm.h" -+#include "function.h" -+#include "basic-block.h" -+#include "gimple.h" -+#include "rtl.h" -+#include "emit-rtl.h" -+ -+#if BUILDING_GCC_VERSION >= 4008 -+#define TODO_dump_func 0 -+#endif -+ -+extern void print_gimple_stmt(FILE *, gimple, int, int); -+ -+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 bool init_locals; -+ -+static struct plugin_info stackleak_plugin_info = { -+ .version = "201302112000", -+ .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 bool gate_stackleak_track_stack(void); -+static unsigned int execute_stackleak_tree_instrument(void); -+static unsigned int execute_stackleak_final(void); -+ -+static struct gimple_opt_pass stackleak_tree_instrument_pass = { -+ .pass = { -+ .type = GIMPLE_PASS, -+ .name = "stackleak_tree_instrument", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+ .gate = gate_stackleak_track_stack, -+ .execute = execute_stackleak_tree_instrument, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .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 -+ } -+}; -+ -+static struct rtl_opt_pass stackleak_final_rtl_opt_pass = { -+ .pass = { -+ .type = RTL_PASS, -+ .name = "stackleak_final", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+ .gate = gate_stackleak_track_stack, -+ .execute = execute_stackleak_final, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_dump_func -+ } -+}; -+ -+static bool gate_stackleak_track_stack(void) -+{ -+ return track_frame_size >= 0; -+} -+ -+static void stackleak_check_alloca(gimple_stmt_iterator *gsi) -+{ -+ gimple check_alloca; -+ tree fntype, fndecl, alloca_size; -+ -+ fntype = build_function_type_list(void_type_node, long_unsigned_type_node, NULL_TREE); -+ fndecl = build_fn_decl(check_function, fntype); -+ DECL_ASSEMBLER_NAME(fndecl); // for LTO -+ -+ // insert call to void pax_check_alloca(unsigned long size) -+ alloca_size = gimple_call_arg(gsi_stmt(*gsi), 0); -+ check_alloca = gimple_build_call(fndecl, 1, alloca_size); -+ gsi_insert_before(gsi, check_alloca, GSI_SAME_STMT); -+} -+ -+static void stackleak_add_instrumentation(gimple_stmt_iterator *gsi) -+{ -+ gimple track_stack; -+ tree fntype, fndecl; -+ -+ fntype = build_function_type_list(void_type_node, NULL_TREE); -+ fndecl = build_fn_decl(track_function, fntype); -+ DECL_ASSEMBLER_NAME(fndecl); // for LTO -+ -+ // insert call to void pax_track_stack(void) -+ track_stack = gimple_build_call(fndecl, 0); -+ gsi_insert_after(gsi, track_stack, GSI_CONTINUE_LINKING); -+} -+ -+#if BUILDING_GCC_VERSION == 4005 -+static 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) -+ return false; -+ if (DECL_BUILT_IN_CLASS(fndecl) != BUILT_IN_NORMAL) -+ return false; -+// print_node(stderr, "pax", fndecl, 4); -+ return DECL_FUNCTION_CODE(fndecl) == code; -+} -+#endif -+ -+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_FUNCTION(cfun)->next_bb; -+ -+ // 1. loop through BBs and GIMPLE statements -+ FOR_EACH_BB(bb) { -+ 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)->dest; -+ if (dom_info_available_p(CDI_DOMINATORS)) -+ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR); -+ gsi = gsi_start_bb(bb); -+ stackleak_add_instrumentation(&gsi); -+ } -+ -+ return 0; -+} -+ -+static unsigned int execute_stackleak_final(void) -+{ -+ rtx 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)) -+ 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; -+} -+ -+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 = { -+ .pass = &stackleak_tree_instrument_pass.pass, -+// .reference_pass_name = "tree_profile", -+ .reference_pass_name = "optimized", -+ .ref_pass_instance_number = 1, -+ .pos_op = PASS_POS_INSERT_BEFORE -+ }; -+ struct register_pass_info stackleak_final_pass_info = { -+ .pass = &stackleak_final_rtl_opt_pass.pass, -+ .reference_pass_name = "final", -+ .ref_pass_instance_number = 1, -+ .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_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..4fae911 ---- /dev/null -+++ b/tools/gcc/structleak_plugin.c -@@ -0,0 +1,277 @@ -+/* -+ * Copyright 2013 by PaX Team pageexec@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-plugin.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tree.h" -+#include "tree-pass.h" -+#include "intl.h" -+#include "plugin-version.h" -+#include "tm.h" -+#include "toplev.h" -+#include "function.h" -+#include "tree-flow.h" -+#include "plugin.h" -+#include "gimple.h" -+#include "diagnostic.h" -+#include "cfgloop.h" -+#include "langhooks.h" -+ -+#if BUILDING_GCC_VERSION >= 4008 -+#define TODO_dump_func 0 -+#endif -+ -+#define NAME(node) IDENTIFIER_POINTER(DECL_NAME(node)) -+ -+// unused type flag in all versions 4.5-4.8 -+#define TYPE_USERSPACE(TYPE) TYPE_LANG_FLAG_3(TYPE) -+ -+int plugin_is_GPL_compatible; -+void debug_gimple_stmt(gimple gs); -+ -+static struct plugin_info structleak_plugin_info = { -+ .version = "201304082245", -+ .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_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->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->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; -+ -+#if BUILDING_GCC_VERSION == 4005 -+ tree vars; -+#else -+ unsigned int i; -+#endif -+ -+ // split the first bb where we can put the forced initializers -+ bb = split_block_after_labels(ENTRY_BLOCK_PTR)->dest; -+ if (dom_info_available_p(CDI_DOMINATORS)) -+ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR); -+ -+ // enumarate all local variables and forcibly initialize our targets -+#if BUILDING_GCC_VERSION == 4005 -+ for (vars = cfun->local_decls; vars; vars = TREE_CHAIN(vars)) { -+ var = TREE_VALUE(vars); -+#else -+ FOR_EACH_LOCAL_DECL(cfun, i, var) { -+#endif -+ 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; -+} -+ -+static struct gimple_opt_pass structleak_pass = { -+ .pass = { -+ .type = GIMPLE_PASS, -+ .name = "structleak", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+ .gate = NULL, -+ .execute = handle_function, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .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 -+ } -+}; -+ -+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 = { -+ .pass = &structleak_pass.pass, -+ .reference_pass_name = "ssa", -+ .ref_pass_instance_number = 1, -+ .pos_op = PASS_POS_INSERT_AFTER -+ }; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ if (strcmp(lang_hooks.name, "GNU C")) { -+ 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/lib/lk/Makefile b/tools/lib/lk/Makefile -index 926cbf3..b8403e0 100644 ---- a/tools/lib/lk/Makefile -+++ b/tools/lib/lk/Makefile -@@ -10,7 +10,7 @@ LIB_OBJS += $(OUTPUT)debugfs.o - - LIBFILE = liblk.a - --CFLAGS = -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -fPIC -+CFLAGS = -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -fPIC - EXTLIBS = -lpthread -lrt -lelf -lm - ALL_CFLAGS = $(CFLAGS) $(BASIC_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 - ALL_LDFLAGS = $(LDFLAGS) -diff --git a/tools/perf/Makefile b/tools/perf/Makefile -index b0f164b..63c9f7d 100644 ---- a/tools/perf/Makefile -+++ b/tools/perf/Makefile -@@ -188,7 +188,7 @@ endif - - ifndef PERF_DEBUG - ifeq ($(call try-cc,$(SOURCE_HELLO),$(CFLAGS) -D_FORTIFY_SOURCE=2,-D_FORTIFY_SOURCE=2),y) -- CFLAGS := $(CFLAGS) -D_FORTIFY_SOURCE=2 -+ CFLAGS := $(CFLAGS) -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 - endif - endif - -diff --git a/tools/perf/util/include/asm/alternative-asm.h b/tools/perf/util/include/asm/alternative-asm.h -index 6789d78..4afd019e 100644 ---- a/tools/perf/util/include/asm/alternative-asm.h -+++ b/tools/perf/util/include/asm/alternative-asm.h -@@ -5,4 +5,7 @@ - - #define altinstruction_entry # - -+ .macro pax_force_retaddr rip=0, reload=0 -+ .endm -+ - #endif -diff --git a/tools/perf/util/include/linux/compiler.h b/tools/perf/util/include/linux/compiler.h -index 96b919d..c49bb74 100644 ---- a/tools/perf/util/include/linux/compiler.h -+++ b/tools/perf/util/include/linux/compiler.h -@@ -18,4 +18,12 @@ - #define __force - #endif - -+#ifndef __size_overflow -+# define __size_overflow(...) -+#endif -+ -+#ifndef __intentional_overflow -+# define __intentional_overflow(...) -+#endif -+ - #endif -diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c -index 302681c..3bde377 100644 ---- a/virt/kvm/kvm_main.c -+++ b/virt/kvm/kvm_main.c -@@ -75,12 +75,17 @@ LIST_HEAD(vm_list); - - static cpumask_var_t cpus_hardware_enabled; - static int kvm_usage_count = 0; --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; - -@@ -766,7 +771,7 @@ 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(VERIFY_WRITE, - (void __user *)(unsigned long)mem->userspace_addr, - mem->memory_size))) - goto out; -@@ -1878,7 +1883,7 @@ 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_COMPAT -@@ -2561,7 +2566,7 @@ static int kvm_vm_mmap(struct file *file, struct vm_area_struct *vma) - return 0; - } - --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_COMPAT -@@ -2662,7 +2667,7 @@ 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, -@@ -2688,7 +2693,7 @@ 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); - printk(KERN_INFO "kvm: enabling virtualization on " - "CPU%d failed\n", cpu); - } -@@ -2742,10 +2747,10 @@ 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; - } -@@ -3099,7 +3104,7 @@ 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; -@@ -3146,7 +3151,7 @@ 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; -@@ -3156,9 +3161,11 @@ 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) { -@@ -3168,9 +3175,6 @@ 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) { - printk(KERN_ERR "kvm: create debugfs files failed\n");

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