-- - #ifdef __cplusplus - extern "C" { - #endif ---- 25,30 ---- -*** ../binutils-2.22.52.0.4.orig/bfd/bfd-in2.h 2012-08-02 10:56:34.349769680 +0100 ---- bfd/bfd-in2.h 2012-08-02 11:13:40.015798113 +0100 -*************** -*** 32,42 **** - #ifndef __BFD_H_SEEN__ - #define __BFD_H_SEEN__ - -- /* PR 14072: Ensure that config.h is included first. */ -- #if !defined PACKAGE && !defined PACKAGE_VERSION -- #error config.h must be included before this header -- #endif -- - #ifdef __cplusplus - extern "C" { - #endif ---- 32,37 ---- diff --git a/binutils/patches/binutils-2.23.2-aarch64-em.patch0 b/binutils/patches/binutils-2.23.2-aarch64-em.patch0 deleted file mode 100644 index f4aae4c..0000000 --- a/binutils/patches/binutils-2.23.2-aarch64-em.patch0 +++ /dev/null @@ -1,47 +0,0 @@ -*** ../binutils-2.23.2.orig/ld/emultempl/aarch64elf.em 2013-06-05 09:46:17.499278813 +0100 ---- ld/emultempl/aarch64elf.em 2013-06-05 09:54:36.981292659 +0100 -*************** gld${EMULATION_NAME}_after_allocation (v -*** 264,270 **** - } - - static void -! gld${EMULATION_NAME}_finish (void) - { - if (! link_info.relocatable) - { ---- 264,270 ---- - } - - static void -! gld${EMULATION_NAME}_local_finish (void) - { - if (! link_info.relocatable) - { -*************** gld${EMULATION_NAME}_finish (void) -*** 276,282 **** - } - } - -! finish_default (); - } - - /* This is a convenient point to tell BFD about target specific flags. ---- 276,282 ---- - } - } - -! gld${EMULATION_NAME}_finish (); - } - - /* This is a convenient point to tell BFD about target specific flags. -*************** LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS= -*** 413,416 **** - LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse - - # Call the extra arm-elf function -! LDEMUL_FINISH=gld${EMULATION_NAME}_finish ---- 413,416 ---- - LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse - - # Call the extra arm-elf function -! LDEMUL_FINISH=gld${EMULATION_NAME}_local_finish diff --git a/binutils/patches/binutils-2.23.2-kernel-ld-r.patch0 b/binutils/patches/binutils-2.23.2-kernel-ld-r.patch0 deleted file mode 100644 index 2ba70c5..0000000 --- a/binutils/patches/binutils-2.23.2-kernel-ld-r.patch0 +++ /dev/null @@ -1,2734 +0,0 @@ -diff -cpr ../binutils-2.23.2.orig/bfd/bfd.c bfd/bfd.c -*** ../binutils-2.23.2.orig/bfd/bfd.c 2013-05-14 16:39:24.681717759 +0100 ---- bfd/bfd.c 2013-05-14 16:40:06.988718932 +0100 -*************** CODE_FRAGMENT -*** 43,48 **** ---- 43,56 ---- - . both_direction = 3 - . }; - . -+ .enum bfd_lto_object_type -+ . { -+ . lto_non_object, -+ . lto_non_ir_object, -+ . lto_ir_object, -+ . lto_mixed_object -+ . }; -+ . - .struct bfd - .{ - . {* A unique identifier of the BFD *} -*************** CODE_FRAGMENT -*** 190,195 **** ---- 198,206 ---- - . {* The last section on the section list. *} - . struct bfd_section *section_last; - . -+ . {* The object-only section on the section list. *} -+ . struct bfd_section *object_only_section; -+ . - . {* The number of sections. *} - . unsigned int section_count; - . -*************** CODE_FRAGMENT -*** 308,313 **** ---- 319,327 ---- - . {* Set if only required symbols should be added in the link hash table for - . this object. Used by VMS linkers. *} - . unsigned int selective_search : 1; -+ . -+ . {* LTO object type. *} -+ . unsigned int lto_type : 2; - .}; - . - */ -*************** bfd_demangle (bfd *abfd, const char *nam -*** 2026,2028 **** ---- 2040,2075 ---- - - return res; - } -+ -+ /* -+ FUNCTION -+ bfd_group_signature -+ -+ SYNOPSIS -+ asymbol *bfd_group_signature (asection *group, asymbol **isympp); -+ -+ DESCRIPTION -+ Return a pointer to the symbol used as a signature for GROUP. -+ */ -+ -+ asymbol * -+ bfd_group_signature (asection *group, asymbol **isympp) -+ { -+ bfd *abfd = group->owner; -+ Elf_Internal_Shdr *ghdr; -+ -+ if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) -+ return NULL; -+ -+ ghdr = &elf_section_data (group)->this_hdr; -+ if (ghdr->sh_link < elf_numsections (abfd)) -+ { -+ const struct elf_backend_data *bed = get_elf_backend_data (abfd); -+ Elf_Internal_Shdr *symhdr = elf_elfsections (abfd) [ghdr->sh_link]; -+ -+ if (symhdr->sh_type == SHT_SYMTAB -+ && ghdr->sh_info < symhdr->sh_size / bed->s->sizeof_sym) -+ return isympp[ghdr->sh_info - 1]; -+ } -+ return NULL; -+ } -diff -cpr ../binutils-2.23.2.orig/bfd/bfd-in2.h bfd/bfd-in2.h -*** ../binutils-2.23.2.orig/bfd/bfd-in2.h 2013-05-14 16:39:24.640717758 +0100 ---- bfd/bfd-in2.h 2013-05-14 16:42:03.217722154 +0100 -*************** struct bfd_section *bfd_create_gnu_debug -*** 1050,1055 **** ---- 1050,1058 ---- - bfd_boolean bfd_fill_in_gnu_debuglink_section - (bfd *abfd, struct bfd_section *sect, const char *filename); - -+ const char *bfd_extract_object_only_section -+ (bfd *abfd); -+ - /* Extracted from libbfd.c. */ - - /* Byte swapping macros for user section data. */ -*************** extern asection std_section[4]; -*** 1594,1599 **** ---- 1597,1605 ---- - || ((SEC) == bfd_com_section_ptr) \ - || ((SEC) == bfd_ind_section_ptr)) - -+ /* GNU object-only section name. */ -+ #define GNU_OBJECT_ONLY_SECTION_NAME ".gnu_object_only" -+ - /* Macros to handle insertion and deletion of a bfd's sections. These - only handle the list pointers, ie. do not adjust section_count, - target_index etc. */ -*************** enum bfd_direction -*** 5681,5686 **** ---- 5687,5700 ---- - both_direction = 3 - }; - -+ enum bfd_lto_object_type -+ { -+ lto_non_object, -+ lto_non_ir_object, -+ lto_ir_object, -+ lto_mixed_object -+ }; -+ - struct bfd - { - /* A unique identifier of the BFD */ -*************** struct bfd -*** 5828,5833 **** ---- 5842,5850 ---- - /* The last section on the section list. */ - struct bfd_section *section_last; - -+ /* The object-only section on the section list. */ -+ struct bfd_section *object_only_section; -+ - /* The number of sections. */ - unsigned int section_count; - -*************** struct bfd -*** 5946,5951 **** ---- 5963,5971 ---- - /* Set if only required symbols should be added in the link hash table for - this object. Used by VMS linkers. */ - unsigned int selective_search : 1; -+ -+ /* LTO object type. */ -+ unsigned int lto_type : 2; - }; - - typedef enum bfd_error -*************** void bfd_emul_set_commonpagesize (const -*** 6167,6172 **** ---- 6187,6194 ---- - - char *bfd_demangle (bfd *, const char *, int); - -+ asymbol *bfd_group_signature (asection *group, asymbol **isympp); -+ - /* Extracted from archive.c. */ - symindex bfd_get_next_mapent - (bfd *abfd, symindex previous, carsym **sym); -diff -cpr ../binutils-2.23.2.orig/bfd/elf.c bfd/elf.c -*** ../binutils-2.23.2.orig/bfd/elf.c 2013-05-14 16:39:25.317717777 +0100 ---- bfd/elf.c 2013-05-14 16:40:06.993718932 +0100 -*************** static const struct bfd_elf_special_sect -*** 2092,2097 **** ---- 2092,2098 ---- - { STRING_COMMA_LEN (".gnu.linkonce.b"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, - { STRING_COMMA_LEN (".gnu.lto_"), -1, SHT_PROGBITS, SHF_EXCLUDE }, - { STRING_COMMA_LEN (".got"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, -+ { STRING_COMMA_LEN (".gnu_object_only"), 0, SHT_GNU_OBJECT_ONLY, SHF_EXCLUDE }, - { STRING_COMMA_LEN (".gnu.version"), 0, SHT_GNU_versym, 0 }, - { STRING_COMMA_LEN (".gnu.version_d"), 0, SHT_GNU_verdef, 0 }, - { STRING_COMMA_LEN (".gnu.version_r"), 0, SHT_GNU_verneed, 0 }, -diff -cpr ../binutils-2.23.2.orig/bfd/elflink.c bfd/elflink.c -*** ../binutils-2.23.2.orig/bfd/elflink.c 2013-05-14 16:39:25.280717776 +0100 ---- bfd/elflink.c 2013-05-14 16:40:06.997718932 +0100 -*************** elf_link_add_archive_symbols (bfd *abfd, -*** 5127,5132 **** ---- 5127,5135 ---- - something wrong with the archive. */ - if (element->archive_pass != 0) - { -+ /* Don't load the IR archive member twice. */ -+ if (element->lto_type == lto_ir_object) -+ continue; - bfd_set_error (bfd_error_bad_value); - goto error_return; - } -diff -cpr ../binutils-2.23.2.orig/bfd/format.c bfd/format.c -*** ../binutils-2.23.2.orig/bfd/format.c 2013-05-14 16:39:24.265717748 +0100 ---- bfd/format.c 2013-05-14 16:40:07.006718933 +0100 -*************** bfd_check_format (bfd *abfd, bfd_format -*** 95,100 **** ---- 95,127 ---- - return bfd_check_format_matches (abfd, format, NULL); - } - -+ /* Set lto_type in ABFD. */ -+ -+ static void -+ bfd_set_lto_type (bfd *abfd) -+ { -+ if (abfd->format == bfd_object -+ && abfd->lto_type == lto_non_object -+ && (abfd->flags & (DYNAMIC | EXEC_P)) == 0) -+ { -+ asection *sec; -+ enum bfd_lto_object_type type = lto_non_ir_object; -+ for (sec = abfd->sections; sec != NULL; sec = sec->next) -+ { -+ if (strcmp (sec->name, GNU_OBJECT_ONLY_SECTION_NAME) == 0) -+ { -+ type = lto_mixed_object; -+ abfd->object_only_section = sec; -+ break; -+ } -+ else if (type != lto_ir_object -+ && strncmp (sec->name, ".gnu.lto_", 9) == 0) -+ type = lto_ir_object; -+ } -+ abfd->lto_type = type; -+ } -+ } -+ - struct bfd_preserve - { - void *marker; -*************** bfd_check_format_matches (bfd *abfd, bfd -*** 136,142 **** - } - - if (abfd->format != bfd_unknown) -! return abfd->format == format; - - if (matching != NULL || *bfd_associated_vector != NULL) - { ---- 163,172 ---- - } - - if (abfd->format != bfd_unknown) -! { -! bfd_set_lto_type (abfd); -! return abfd->format == format; -! } - - if (matching != NULL || *bfd_associated_vector != NULL) - { -*************** bfd_check_format_matches (bfd *abfd, bfd -*** 322,327 **** ---- 352,360 ---- - - if (matching_vector) - free (matching_vector); -+ -+ bfd_set_lto_type (abfd); -+ - - /* File position has moved, BTW. */ - return TRUE; -diff -cpr ../binutils-2.23.2.orig/bfd/opncls.c bfd/opncls.c -*** ../binutils-2.23.2.orig/bfd/opncls.c 2013-05-14 16:39:23.701717732 +0100 ---- bfd/opncls.c 2013-05-14 16:40:07.008718933 +0100 -*************** bfd_fill_in_gnu_debuglink_section (bfd * -*** 1569,1571 **** ---- 1569,1637 ---- - - return TRUE; - } -+ -+ /* -+ FUNCTION -+ bfd_extract_object_only_section -+ -+ SYNOPSIS -+ const char *bfd_extract_object_only_section -+ (bfd *abfd); -+ -+ DESCRIPTION -+ -+ Takes a @var{ABFD} and extract the .gnu_object_only section into -+ a temporary file. -+ -+ RETURNS -+ The name of the temporary file is returned if all is ok. -+ Otherwise <<NULL>> is returned and bfd_error is set. -+ */ -+ -+ const char * -+ bfd_extract_object_only_section (bfd *abfd) -+ { -+ asection *sec = abfd->object_only_section; -+ const char *name; -+ FILE *file; -+ bfd_byte *memhunk = NULL; -+ size_t off, size; -+ bfd_error_type err; -+ -+ /* Get a temporary object-only file. */ -+ name = make_temp_file (".obj-only.o"); -+ -+ /* Open the object-only file. */ -+ file = real_fopen (name, FOPEN_WB); -+ if (!bfd_get_full_section_contents (abfd, sec, &memhunk)) -+ { -+ err = bfd_get_error (); -+ -+ loser: -+ free (memhunk); -+ fclose (file); -+ unlink (name); -+ bfd_set_error (err); -+ return NULL; -+ } -+ -+ off = 0; -+ size = sec->size; -+ while (off != size) -+ { -+ size_t written, nwrite = size - off; -+ -+ written = fwrite (memhunk + off, 1, nwrite, file); -+ if (written < nwrite && ferror (file)) -+ { -+ err = bfd_error_system_call; -+ goto loser; -+ } -+ -+ off += written; -+ } -+ -+ free (memhunk); -+ fclose (file); -+ return name; -+ } -diff -cpr ../binutils-2.23.2.orig/bfd/plugin.c bfd/plugin.c -*** ../binutils-2.23.2.orig/bfd/plugin.c 2013-05-14 16:39:25.137717772 +0100 ---- bfd/plugin.c 2013-05-14 16:40:07.010718933 +0100 -*************** register_claim_file (ld_plugin_claim_fil -*** 130,135 **** ---- 130,268 ---- - return LDPS_OK; - } - -+ static asection bfd_plugin_fake_text_section -+ = BFD_FAKE_SECTION (bfd_plugin_fake_text_section, 0, 0, ".text", 0); -+ static asection bfd_plugin_fake_common_section -+ = BFD_FAKE_SECTION (bfd_plugin_fake_common_section, SEC_IS_COMMON, 0, -+ NULL, 0); -+ -+ /* Get symbols from object only section. */ -+ -+ static void -+ bfd_plugin_get_symbols_in_object_only (bfd *abfd) -+ { -+ struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; -+ const char *object_only_file; -+ bfd *nbfd; -+ long storage; -+ long object_only_nsyms, added_nsyms, i; -+ asymbol **object_only_syms, **added_syms; -+ -+ plugin_data->object_only_syms = NULL; -+ plugin_data->object_only_nsyms = 0; -+ -+ if (abfd->sections == NULL && abfd->my_archive == NULL) -+ { -+ nbfd = bfd_openr (abfd->filename, NULL); -+ if (nbfd == NULL || !bfd_check_format (nbfd, bfd_object)) -+ { -+ (*_bfd_error_handler) -+ (_("%s: failed to open to extract object only section: %s"), -+ abfd->filename, bfd_errmsg (bfd_get_error ())); -+ bfd_close (nbfd); -+ return; -+ } -+ } -+ else -+ { -+ if (!bfd_check_format (abfd, bfd_object)) -+ { -+ (*_bfd_error_handler) -+ (_("%B: invalid file to extract object only section: %s"), -+ abfd, bfd_errmsg (bfd_get_error ())); -+ return; -+ } -+ nbfd = abfd; -+ } -+ -+ if (nbfd->lto_type == lto_mixed_object -+ && (nbfd->flags & HAS_SYMS) != 0) -+ { -+ object_only_file = bfd_extract_object_only_section (nbfd); -+ if (object_only_file == NULL) -+ (*_bfd_error_handler) -+ (_("%B: failed to extract object only section: %s"), -+ abfd, bfd_errmsg (bfd_get_error ())); -+ } -+ else -+ object_only_file = NULL; -+ -+ /* Close the new bfd we just opened. */ -+ if (nbfd != abfd) -+ bfd_close (nbfd); -+ -+ /* Return if there is no object only section or there is no -+ symbol in object only section. */ -+ if (!object_only_file) -+ return; -+ -+ /* Open the file containing object only section. */ -+ nbfd = bfd_openr (object_only_file, NULL); -+ if (!bfd_check_format (nbfd, bfd_object)) -+ { -+ (*_bfd_error_handler) -+ (_("%B: failed to open object only section: %s"), -+ abfd, bfd_errmsg (bfd_get_error ())); -+ goto quit; -+ } -+ -+ storage = bfd_get_symtab_upper_bound (nbfd); -+ if (storage <= 0) -+ { -+ if (storage < 0) -+ (*_bfd_error_handler) -+ (_("%B: failed to get symbol table in object only section: %s"), -+ abfd, bfd_errmsg (bfd_get_error ())); -+ -+ goto quit; -+ } -+ -+ object_only_syms = (asymbol **) bfd_malloc (storage); -+ object_only_nsyms = bfd_canonicalize_symtab (nbfd, object_only_syms); -+ -+ /* FIXME: We waste some spaces if not all symbols are copied. */ -+ added_syms = (asymbol **) bfd_alloc (abfd, storage); -+ added_nsyms = 0; -+ -+ /* Copy only global symbols from object only section. */ -+ for (i = 0; i < object_only_nsyms; i++) -+ { -+ asection *sec = object_only_syms[i]->section; -+ flagword flags = object_only_syms[i]->flags; -+ asymbol *s; -+ -+ if (bfd_is_com_section (sec)) -+ sec = &bfd_plugin_fake_common_section; -+ else if (bfd_is_und_section (sec)) -+ ; -+ else if ((flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0) -+ sec = &bfd_plugin_fake_text_section; -+ else -+ continue; -+ -+ s = bfd_alloc (abfd, sizeof (asymbol)); -+ BFD_ASSERT (s); -+ added_syms[added_nsyms++] = s; -+ -+ s->section = sec; -+ s->the_bfd = abfd; -+ s->name = xstrdup (object_only_syms[i]->name); -+ s->value = 0; -+ s->flags = flags; -+ s->udata.p = NULL; -+ } -+ -+ plugin_data->object_only_syms = added_syms; -+ plugin_data->object_only_nsyms = added_nsyms; -+ -+ free (object_only_syms); -+ -+ quit: -+ /* Close and remove the object only section file. */ -+ bfd_close (nbfd); -+ unlink (object_only_file); -+ } -+ - static enum ld_plugin_status - add_symbols (void * handle, - int nsyms, -*************** add_symbols (void * handle, -*** 142,148 **** - plugin_data->nsyms = nsyms; - plugin_data->syms = syms; - -! if (nsyms != 0) - abfd->flags |= HAS_SYMS; - - abfd->tdata.plugin_data = plugin_data; ---- 275,283 ---- - plugin_data->nsyms = nsyms; - plugin_data->syms = syms; - -! bfd_plugin_get_symbols_in_object_only (abfd); -! -! if ((nsyms + plugin_data->object_only_nsyms) != 0) - abfd->flags |= HAS_SYMS; - - abfd->tdata.plugin_data = plugin_data; -*************** static long -*** 389,395 **** - bfd_plugin_get_symtab_upper_bound (bfd *abfd) - { - struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; -! long nsyms = plugin_data->nsyms; - - BFD_ASSERT (nsyms >= 0); - ---- 524,531 ---- - bfd_plugin_get_symtab_upper_bound (bfd *abfd) - { - struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; -! /* Add symbols from object only section. */ -! long nsyms = plugin_data->nsyms + plugin_data->object_only_nsyms; - - BFD_ASSERT (nsyms >= 0); - -*************** bfd_plugin_canonicalize_symtab (bfd *abf -*** 423,434 **** - struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; - long nsyms = plugin_data->nsyms; - const struct ld_plugin_symbol *syms = plugin_data->syms; -! static asection fake_section; -! static asection fake_common_section; -! int i; -! -! fake_section.name = ".text"; -! fake_common_section.flags = SEC_IS_COMMON; - - for (i = 0; i < nsyms; i++) - { ---- 559,565 ---- - struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; - long nsyms = plugin_data->nsyms; - const struct ld_plugin_symbol *syms = plugin_data->syms; -! int i, j; - - for (i = 0; i < nsyms; i++) - { -*************** bfd_plugin_canonicalize_symtab (bfd *abf -*** 441,450 **** - s->name = syms[i].name; - s->value = 0; - s->flags = convert_flags (&syms[i]); - switch (syms[i].def) - { - case LDPK_COMMON: -! s->section = &fake_common_section; - break; - case LDPK_UNDEF: - case LDPK_WEAKUNDEF: ---- 572,582 ---- - s->name = syms[i].name; - s->value = 0; - s->flags = convert_flags (&syms[i]); -+ s->udata.p = NULL; - switch (syms[i].def) - { - case LDPK_COMMON: -! s->section = &bfd_plugin_fake_common_section; - break; - case LDPK_UNDEF: - case LDPK_WEAKUNDEF: -*************** bfd_plugin_canonicalize_symtab (bfd *abf -*** 452,466 **** - break; - case LDPK_DEF: - case LDPK_WEAKDEF: -! s->section = &fake_section; - break; - default: - BFD_ASSERT (0); - } -- -- s->udata.p = (void *) &syms[i]; - } - - return nsyms; - } - ---- 584,601 ---- - break; - case LDPK_DEF: - case LDPK_WEAKDEF: -! s->section = &bfd_plugin_fake_text_section; - break; - default: - BFD_ASSERT (0); - } - } - -+ /* Copy symbols from object only section. */ -+ nsyms += plugin_data->object_only_nsyms; -+ for (j = 0; j < plugin_data->object_only_nsyms; j++, i++) -+ alocation[i] = plugin_data->object_only_syms[j]; -+ - return nsyms; - } - -diff -cpr ../binutils-2.23.2.orig/bfd/plugin.h bfd/plugin.h -*** ../binutils-2.23.2.orig/bfd/plugin.h 2013-05-14 16:39:25.481717782 +0100 ---- bfd/plugin.h 2013-05-14 16:40:07.010718933 +0100 -*************** typedef struct plugin_data_struct -*** 30,35 **** ---- 30,37 ---- - { - int nsyms; - const struct ld_plugin_symbol *syms; -+ int object_only_nsyms; -+ asymbol **object_only_syms; - } - plugin_data_struct; - -diff -cpr ../binutils-2.23.2.orig/bfd/section.c bfd/section.c -*** ../binutils-2.23.2.orig/bfd/section.c 2013-05-14 16:39:26.180717801 +0100 ---- bfd/section.c 2013-05-14 16:43:06.082723897 +0100 -*************** CODE_FRAGMENT -*** 571,576 **** ---- 571,579 ---- - . || ((SEC) == bfd_com_section_ptr) \ - . || ((SEC) == bfd_ind_section_ptr)) - . -+ .{* GNU object-only section name. *} -+ .#define GNU_OBJECT_ONLY_SECTION_NAME ".gnu_object_only" -+ . - .{* Macros to handle insertion and deletion of a bfd's sections. These - . only handle the list pointers, ie. do not adjust section_count, - . target_index etc. *} -diff -cpr ../binutils-2.23.2.orig/binutils/objcopy.c binutils/objcopy.c -*** ../binutils-2.23.2.orig/binutils/objcopy.c 2013-05-14 16:39:36.214718079 +0100 ---- binutils/objcopy.c 2013-05-14 16:45:04.631727183 +0100 -*************** is_specified_symbol (const char *name, h -*** 943,972 **** - return htab_find (htab, name) != NULL; - } - -- /* Return a pointer to the symbol used as a signature for GROUP. */ -- -- static asymbol * -- group_signature (asection *group) -- { -- bfd *abfd = group->owner; -- Elf_Internal_Shdr *ghdr; -- -- if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) -- return NULL; -- -- ghdr = &elf_section_data (group)->this_hdr; -- if (ghdr->sh_link < elf_numsections (abfd)) -- { -- const struct elf_backend_data *bed = get_elf_backend_data (abfd); -- Elf_Internal_Shdr *symhdr = elf_elfsections (abfd) [ghdr->sh_link]; -- -- if (symhdr->sh_type == SHT_SYMTAB -- && ghdr->sh_info < symhdr->sh_size / bed->s->sizeof_sym) -- return isympp[ghdr->sh_info - 1]; -- } -- return NULL; -- } -- - /* Return TRUE if the section is a DWO section. */ - - static bfd_boolean ---- 943,948 ---- -*************** is_strip_section (bfd *abfd ATTRIBUTE_UN -*** 1034,1040 **** - /* PR binutils/3181 - If we are going to strip the group signature symbol, then - strip the group section too. */ -! gsym = group_signature (sec); - if (gsym != NULL) - gname = gsym->name; - else ---- 1010,1016 ---- - /* PR binutils/3181 - If we are going to strip the group signature symbol, then - strip the group section too. */ -! gsym = bfd_group_signature (sec, isympp); - if (gsym != NULL) - gname = gsym->name; - else -*************** setup_section (bfd *ibfd, sec_ptr isecti -*** 2633,2639 **** - - if ((isection->flags & SEC_GROUP) != 0) - { -! asymbol *gsym = group_signature (isection); - - if (gsym != NULL) - { ---- 2609,2615 ---- - - if ((isection->flags & SEC_GROUP) != 0) - { -! asymbol *gsym = bfd_group_signature (isection, isympp); - - if (gsym != NULL) - { -diff -cpr ../binutils-2.23.2.orig/binutils/readelf.c binutils/readelf.c -*** ../binutils-2.23.2.orig/binutils/readelf.c 2013-05-14 16:39:35.668718064 +0100 ---- binutils/readelf.c 2013-05-14 16:40:07.022718933 +0100 -*************** get_section_type_name (unsigned int sh_t -*** 3101,3106 **** ---- 3101,3107 ---- - case 0x7ffffffd: return "AUXILIARY"; - case 0x7fffffff: return "FILTER"; - case SHT_GNU_LIBLIST: return "GNU_LIBLIST"; -+ case SHT_GNU_OBJECT_ONLY: return "GNU_OBJECT_ONLY"; - - default: - if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC)) -diff -cpr ../binutils-2.23.2.orig/include/bfdlink.h include/bfdlink.h -*** ../binutils-2.23.2.orig/include/bfdlink.h 2013-05-14 16:39:19.745717623 +0100 ---- include/bfdlink.h 2013-05-14 16:40:07.023718933 +0100 -*************** struct bfd_link_info -*** 380,385 **** ---- 380,391 ---- - /* TRUE if ok to have multiple definition. */ - unsigned int allow_multiple_definition: 1; - -+ /* TRUE if .gnu_object_only section should be created. */ -+ unsigned int emit_gnu_object_only: 1; -+ -+ /* TRUE if .gnu_object_only section is being created. */ -+ unsigned int emitting_gnu_object_only: 1; -+ - /* TRUE if ok to have version with no definition. */ - unsigned int allow_undefined_version: 1; - -diff -cpr ../binutils-2.23.2.orig/include/elf/common.h include/elf/common.h -*** ../binutils-2.23.2.orig/include/elf/common.h 2013-05-14 16:39:19.628717619 +0100 ---- include/elf/common.h 2013-05-14 16:40:07.023718933 +0100 -*************** -*** 472,477 **** ---- 472,478 ---- - #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes */ - #define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */ - #define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */ -+ #define SHT_GNU_OBJECT_ONLY 0x6ffffff8 /* Object only */ - - /* The next three section types are defined by Solaris, and are named - SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU* -diff -cpr ../binutils-2.23.2.orig/ld/emultempl/alphaelf.em ld/emultempl/alphaelf.em -*** ../binutils-2.23.2.orig/ld/emultempl/alphaelf.em 2013-05-14 16:39:37.461718114 +0100 ---- ld/emultempl/alphaelf.em 2013-05-14 16:40:07.030718933 +0100 -*************** alpha_finish (void) -*** 100,106 **** - if (limit_32bit) - elf_elfheader (link_info.output_bfd)->e_flags |= EF_ALPHA_32BIT; - -! finish_default (); - } - EOF - ---- 100,106 ---- - if (limit_32bit) - elf_elfheader (link_info.output_bfd)->e_flags |= EF_ALPHA_32BIT; - -! gld${EMULATION_NAME}_finish (); - } - EOF - -diff -cpr ../binutils-2.23.2.orig/ld/emultempl/armelf.em ld/emultempl/armelf.em -*** ../binutils-2.23.2.orig/ld/emultempl/armelf.em 2013-05-14 16:39:37.458718114 +0100 ---- ld/emultempl/armelf.em 2013-05-14 16:40:07.033718933 +0100 -*************** gld${EMULATION_NAME}_after_allocation (v -*** 366,372 **** - } - - static void -! gld${EMULATION_NAME}_finish (void) - { - struct bfd_link_hash_entry * h; - ---- 366,372 ---- - } - - static void -! arm_finish (void) - { - struct bfd_link_hash_entry * h; - -*************** gld${EMULATION_NAME}_finish (void) -*** 389,395 **** - } - } - -! finish_default (); - - if (thumb_entry_symbol) - { ---- 389,395 ---- - } - } - -! gld${EMULATION_NAME}_finish (); - - if (thumb_entry_symbol) - { -*************** LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS= -*** 690,693 **** - LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse - - # Call the extra arm-elf function -! LDEMUL_FINISH=gld${EMULATION_NAME}_finish ---- 690,693 ---- - LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse - - # Call the extra arm-elf function -! LDEMUL_FINISH=arm_finish -diff -cpr ../binutils-2.23.2.orig/ld/emultempl/elf32.em ld/emultempl/elf32.em -*** ../binutils-2.23.2.orig/ld/emultempl/elf32.em 2013-05-14 16:39:37.465718114 +0100 ---- ld/emultempl/elf32.em 2013-05-14 16:40:07.035718933 +0100 -*************** static void gld${EMULATION_NAME}_before_ -*** 68,73 **** ---- 68,74 ---- - static void gld${EMULATION_NAME}_after_allocation (void); - static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan - (asection *, const char *, int); -+ static void gld${EMULATION_NAME}_finish (void); - EOF - - if [ "x${USE_LIBPATH}" = xyes ] ; then -*************** output_rel_find (asection *sec, int isdy -*** 1764,1769 **** ---- 1765,1772 ---- - return last; - } - -+ static int orphan_init_done = 0; -+ - /* Place an orphan section. We use this to put random SHF_ALLOC - sections in the right segment. */ - -*************** gld${EMULATION_NAME}_place_orphan (asect -*** 1772,1778 **** - const char *secname, - int constraint) - { -! static struct orphan_save hold[] = - { - { ".text", - SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, ---- 1775,1781 ---- - const char *secname, - int constraint) - { -! static struct orphan_save orig_hold[] = - { - { ".text", - SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, -*************** gld${EMULATION_NAME}_place_orphan (asect -*** 1799,1804 **** ---- 1802,1808 ---- - SEC_HAS_CONTENTS, - 0, 0, 0, 0 }, - }; -+ static struct orphan_save hold[ARRAY_SIZE (orig_hold)]; - enum orphan_save_index - { - orphan_text = 0, -*************** gld${EMULATION_NAME}_place_orphan (asect -*** 1810,1816 **** - orphan_sdata, - orphan_nonalloc - }; -- static int orphan_init_done = 0; - struct orphan_save *place; - lang_output_section_statement_type *after; - lang_output_section_statement_type *os; ---- 1814,1819 ---- -*************** gld${EMULATION_NAME}_place_orphan (asect -*** 1887,1901 **** - - if (!orphan_init_done) - { -! struct orphan_save *ho; - - for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) - if (ho->name != NULL) - { - ho->os = lang_output_section_find (ho->name); - if (ho->os != NULL && ho->os->flags == 0) - ho->os->flags = ho->flags; - } - orphan_init_done = 1; - } - ---- 1890,1911 ---- - - if (!orphan_init_done) - { -! struct orphan_save *ho, *horig; - - for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) -+ for (ho = hold, horig = orig_hold; -+ ho < hold + ARRAY_SIZE (hold); -+ ++ho, ++horig) -+ { -+ *ho = *horig; -+ if (ho->name != NULL) - if (ho->name != NULL) - { - ho->os = lang_output_section_find (ho->name); - if (ho->os != NULL && ho->os->flags == 0) - ho->os->flags = ho->flags; - } -+ } - orphan_init_done = 1; - } - -*************** gld${EMULATION_NAME}_place_orphan (asect -*** 1965,1970 **** ---- 1975,2001 ---- - EOF - fi - -+ fragment <<EOF -+ -+ /* Final emulation specific call. */ -+ -+ static void -+ gld${EMULATION_NAME}_finish (void) -+ { -+ EOF -+ if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then -+ fragment <<EOF -+ /* Support the object-only output. */ -+ if (link_info.emit_gnu_object_only) -+ orphan_init_done = 0; -+ -+ EOF -+ fi -+ fragment <<EOF -+ finish_default (); -+ } -+ EOF -+ - if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then - fragment <<EOF - -*************** struct ld_emulation_xfer_struct ld_${EMU -*** 2497,2503 **** - ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, - "${EMULATION_NAME}", - "${OUTPUT_FORMAT}", -! ${LDEMUL_FINISH-finish_default}, - ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, - ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, - ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, ---- 2528,2534 ---- - ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, - "${EMULATION_NAME}", - "${OUTPUT_FORMAT}", -! ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, - ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, - ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, - ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, -diff -cpr ../binutils-2.23.2.orig/ld/emultempl/ppc64elf.em ld/emultempl/ppc64elf.em -*** ../binutils-2.23.2.orig/ld/emultempl/ppc64elf.em 2013-05-14 16:39:37.454718113 +0100 ---- ld/emultempl/ppc64elf.em 2013-05-14 16:40:07.044718934 +0100 -*************** gld${EMULATION_NAME}_after_allocation (v -*** 533,539 **** - /* Final emulation specific call. */ - - static void -! gld${EMULATION_NAME}_finish (void) - { - /* e_entry on PowerPC64 points to the function descriptor for - _start. If _start is missing, default to the first function ---- 533,539 ---- - /* Final emulation specific call. */ - - static void -! ppc_finish (void) - { - /* e_entry on PowerPC64 points to the function descriptor for - _start. If _start is missing, default to the first function -*************** gld${EMULATION_NAME}_finish (void) -*** 565,571 **** - } - - ppc64_elf_restore_symbols (&link_info); -! finish_default (); - } - - ---- 565,571 ---- - } - - ppc64_elf_restore_symbols (&link_info); -! gld${EMULATION_NAME}_finish (); - } - - -*************** PARSE_AND_LIST_ARGS_CASES=${PARSE_AND_LI -*** 867,872 **** - # - LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation - LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation -! LDEMUL_FINISH=gld${EMULATION_NAME}_finish - LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements - LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern ---- 867,872 ---- - # - LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation - LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation -! LDEMUL_FINISH=ppc_finish - LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=ppc_create_output_section_statements - LDEMUL_NEW_VERS_PATTERN=gld${EMULATION_NAME}_new_vers_pattern -diff -cpr ../binutils-2.23.2.orig/ld/emultempl/spuelf.em ld/emultempl/spuelf.em -*** ../binutils-2.23.2.orig/ld/emultempl/spuelf.em 2013-05-14 16:39:37.453718113 +0100 ---- ld/emultempl/spuelf.em 2013-05-14 16:40:07.045718934 +0100 -*************** spu_elf_relink (void) -*** 416,422 **** - /* Final emulation specific call. */ - - static void -! gld${EMULATION_NAME}_finish (void) - { - if (is_spu_target ()) - { ---- 416,422 ---- - /* Final emulation specific call. */ - - static void -! spu_finish (void) - { - if (is_spu_target ()) - { -*************** gld${EMULATION_NAME}_finish (void) -*** 432,438 **** - einfo ("%P: --auto-overlay ignored with zero local store range\n"); - } - -! finish_default (); - } - - static char * ---- 432,438 ---- - einfo ("%P: --auto-overlay ignored with zero local store range\n"); - } - -! gld${EMULATION_NAME}_finish (); - } - - static char * -*************** PARSE_AND_LIST_ARGS_CASES=' -*** 832,836 **** - - LDEMUL_AFTER_OPEN=spu_after_open - LDEMUL_BEFORE_ALLOCATION=spu_before_allocation -! LDEMUL_FINISH=gld${EMULATION_NAME}_finish - LDEMUL_CHOOSE_TARGET=gld${EMULATION_NAME}_choose_target ---- 832,836 ---- - - LDEMUL_AFTER_OPEN=spu_after_open - LDEMUL_BEFORE_ALLOCATION=spu_before_allocation -! LDEMUL_FINISH=spu_finish - LDEMUL_CHOOSE_TARGET=gld${EMULATION_NAME}_choose_target -diff -cpr ../binutils-2.23.2.orig/ld/ldfile.c ld/ldfile.c -*** ../binutils-2.23.2.orig/ld/ldfile.c 2013-05-14 16:39:37.164718105 +0100 ---- ld/ldfile.c 2013-05-14 16:40:07.046718934 +0100 -*************** success: -*** 319,325 **** ---- 319,327 ---- - plugin_maybe_claim (&file, entry); - } - } -+ else - #endif /* ENABLE_PLUGINS */ -+ cmdline_check_object_only_section (entry->the_bfd, FALSE); - - /* It opened OK, the format checked out, and the plugins have had - their chance to claim it, so this is success. */ -diff -cpr ../binutils-2.23.2.orig/ld/ldlang.c ld/ldlang.c -*** ../binutils-2.23.2.orig/ld/ldlang.c 2013-05-14 16:39:39.704718176 +0100 ---- ld/ldlang.c 2013-05-14 17:03:54.030758491 +0100 -*************** -*** 38,43 **** ---- 38,44 ---- - #include "ldctor.h" - #include "ldfile.h" - #include "ldemul.h" -+ #include "ldwrite.h" - #include "fnmatch.h" - #include "demangle.h" - #include "hashtab.h" -*************** -*** 46,51 **** ---- 47,55 ---- - #include "plugin.h" - #endif /* ENABLE_PLUGINS */ - -+ /* FIXME: Put it here to avoid NAME conflict from ldgram.h. */ -+ #include "elf-bfd.h" -+ - #ifndef offsetof - #define offsetof(TYPE, MEMBER) ((size_t) & (((TYPE*) 0)->MEMBER)) - #endif -*************** static struct bfd_hash_table lang_define -*** 69,74 **** ---- 73,81 ---- - static lang_statement_list_type *stat_save[10]; - static lang_statement_list_type **stat_save_ptr = &stat_save[0]; - static struct unique_sections *unique_section_list; -+ static cmdline_list_type cmdline_object_only_file_list; -+ static cmdline_list_type cmdline_object_only_archive_list; -+ static cmdline_list_type cmdline_temp_object_only_list; - - /* Forward declarations. */ - static void exp_init_os (etree_type *); -*************** static void lang_record_phdrs (void); -*** 89,94 **** ---- 96,105 ---- - static void lang_do_version_exports_section (void); - static void lang_finalize_version_expr_head - (struct bfd_elf_version_expr_head *); -+ static void cmdline_lists_init (void); -+ static void cmdline_get_object_only_input_files (void); -+ static void print_cmdline_list (cmdline_union_type *); -+ static bfd_boolean cmdline_on_object_only_archive_list_p (bfd *); - - /* Exported variables. */ - const char *output_target; -*************** output_section_statement_table_free (voi -*** 1204,1217 **** - /* Build enough state so that the parser can build its tree. */ - - void -! lang_init (void) - { -! obstack_begin (&stat_obstack, 1000); - - stat_ptr = &statement_list; - - output_section_statement_table_init (); - - lang_list_init (stat_ptr); - - lang_list_init (&input_file_chain); ---- 1215,1231 ---- - /* Build enough state so that the parser can build its tree. */ - - void -! lang_init (bfd_boolean object_only) - { -! if (!object_only) -! obstack_begin (&stat_obstack, 1000); - - stat_ptr = &statement_list; - - output_section_statement_table_init (); - -+ cmdline_lists_init (); -+ - lang_list_init (stat_ptr); - - lang_list_init (&input_file_chain); -*************** lang_init (void) -*** 1230,1239 **** - simpler to re-use working machinery than using a linked list in terms - of code-complexity here in ld, besides the initialization which just - looks like other code here. */ -! if (!bfd_hash_table_init_n (&lang_definedness_table, -! lang_definedness_newfunc, -! sizeof (struct lang_definedness_hash_entry), -! 3)) - einfo (_("%P%F: can not create hash table: %E\n")); - } - ---- 1244,1254 ---- - simpler to re-use working machinery than using a linked list in terms - of code-complexity here in ld, besides the initialization which just - looks like other code here. */ -! if (!object_only -! && !bfd_hash_table_init_n (&lang_definedness_table, -! lang_definedness_newfunc, -! sizeof (struct lang_definedness_hash_entry), -! 3)) - einfo (_("%P%F: can not create hash table: %E\n")); - } - -*************** load_symbols (lang_input_statement_type -*** 2769,2774 **** ---- 2784,2795 ---- - loaded = FALSE; - } - -+ if (link_info.emitting_gnu_object_only) -+ { -+ if (!cmdline_on_object_only_archive_list_p (member)) -+ continue; -+ } -+ - subsbfd = member; - if (!(*link_info.callbacks - ->add_archive_element) (&link_info, member, -*************** lang_process (void) -*** 6659,6665 **** ---- 6680,6716 ---- - open_input_bfds (statement_list.head, OPEN_BFD_RESCAN); - } - } -+ else - #endif /* ENABLE_PLUGINS */ -+ if (link_info.relocatable) -+ { -+ /* Check if .gnu_object_only section should be created. */ -+ bfd *p; -+ int object_type; -+ -+ object_type = 0; -+ for (p = link_info.input_bfds; p != (bfd *) NULL; p = p->link_next) -+ { -+ object_type |= 1 << p->lto_type; -+ if ((object_type & (1 << lto_mixed_object)) != 0 -+ || ((object_type -+ & (1 << lto_non_ir_object -+ | 1 << lto_ir_object)) -+ == (1 << lto_non_ir_object | 1 << lto_ir_object))) -+ { -+ link_info.emit_gnu_object_only = TRUE; -+ break; -+ } -+ } -+ -+ if (trace_files -+ && (cmdline_object_only_file_list.head -+ || cmdline_object_only_archive_list.head)) -+ { -+ print_cmdline_list (cmdline_object_only_file_list.head); -+ print_cmdline_list (cmdline_object_only_archive_list.head); -+ } -+ } - - link_info.gc_sym_list = &entry_symbol; - if (entry_symbol.name == NULL) -*************** lang_ld_feature (char *str) -*** 8059,8061 **** ---- 8111,9071 ---- - p = q; - } - } -+ -+ static void -+ cmdline_lists_init (void) -+ { -+ cmdline_object_only_file_list.tail -+ = &cmdline_object_only_file_list.head; -+ cmdline_object_only_archive_list.tail -+ = &cmdline_object_only_archive_list.head; -+ cmdline_temp_object_only_list.tail -+ = &cmdline_temp_object_only_list.head; -+ } -+ -+ /* Allocate an item with TYPE and DATA. */ -+ -+ static cmdline_union_type * -+ cmdline_list_new (cmdline_enum_type type, void *data) -+ { -+ cmdline_union_type *new_opt; -+ -+ new_opt = (cmdline_union_type *) stat_alloc (sizeof (*new_opt)); -+ new_opt->header.type = type; -+ switch (type) -+ { -+ default: -+ break; -+ case cmdline_is_file_enum: -+ new_opt->file.filename = (const char *) data; -+ break; -+ case cmdline_is_bfd_enum: -+ new_opt->abfd.abfd = (bfd *) data; -+ break; -+ } -+ return new_opt; -+ } -+ -+ /* Append an item with TYPE and DATA to LIST. */ -+ -+ static void -+ cmdline_list_append (cmdline_list_type *list, cmdline_enum_type type, -+ void *data) -+ { -+ cmdline_union_type *new_opt = cmdline_list_new (type, data); -+ new_opt->header.next = NULL; -+ *list->tail = new_opt; -+ list->tail = &new_opt->header.next; -+ } -+ -+ static void -+ print_cmdline_list (cmdline_union_type *c) -+ { -+ for (; c != NULL; c = c->header.next) -+ switch (c->header.type) -+ { -+ default: -+ abort (); -+ case cmdline_is_file_enum: -+ info_msg (" %s", c->file.filename); -+ break; -+ case cmdline_is_bfd_enum: -+ info_msg (" [%B]", c->abfd.abfd); -+ break; -+ } -+ -+ info_msg ("\n"); -+ } -+ -+ /* Return TRUE if ABFD is on cmdline_object_only_archive_list. */ -+ -+ static bfd_boolean -+ cmdline_on_object_only_archive_list_p (bfd *abfd) -+ { -+ cmdline_union_type *c, *next; -+ bfd *archive, *obfd, *oarchive; -+ ufile_ptr origin = abfd->origin; -+ -+ archive = bfd_my_archive (abfd); -+ for (c = cmdline_object_only_archive_list.head; c != NULL; c = next) -+ { -+ if (c->header.type != cmdline_is_bfd_enum) -+ abort (); -+ -+ next = c->header.next; -+ obfd = c->abfd.abfd; -+ oarchive = bfd_my_archive (obfd); -+ -+ /* The list is grouped by archive file name and sorted by member -+ origin. */ -+ if (strcmp (archive->filename, oarchive->filename) != 0) -+ continue; -+ -+ if (origin == obfd->origin) -+ return TRUE; -+ else if (origin < obfd->origin) -+ return FALSE; -+ } -+ -+ return FALSE; -+ } -+ -+ /* Append an item with TYPE and DATA to cmdline_object_only_file_list -+ or cmdline_object_only_archive_list if needed. */ -+ -+ static void -+ cmdline_object_only_list_append (cmdline_enum_type type, void *data) -+ { -+ cmdline_union_type *c; -+ cmdline_union_type *new_opt, *next, **prev; -+ bfd *abfd, *archive; -+ bfd *obfd, *oarchive; -+ bfd *nbfd, *narchive; -+ ufile_ptr origin, norigin; -+ -+ /* Put it on cmdline_object_only_file_list if it isn't an archive -+ member. */ -+ switch (type) -+ { -+ default: -+ abort (); -+ case cmdline_is_bfd_enum: -+ abfd = (bfd *) data; -+ archive = bfd_my_archive (abfd); -+ if (archive) -+ break; -+ case cmdline_is_file_enum: -+ cmdline_list_append (&cmdline_object_only_file_list, type, data); -+ return; -+ } -+ -+ /* Put archive member on cmdline_object_only_archive_list and sort -+ the list by archive name and archive member origin. */ -+ new_opt = (cmdline_union_type *) stat_alloc (sizeof (*new_opt)); -+ new_opt->header.type = cmdline_is_bfd_enum; -+ new_opt->header.next = NULL; -+ new_opt->abfd.abfd = (bfd *) data; -+ -+ c = cmdline_object_only_archive_list.head; -+ if (c == NULL) -+ { -+ cmdline_object_only_archive_list.head = new_opt; -+ cmdline_object_only_archive_list.tail = &new_opt->header.next; -+ return; -+ } -+ -+ prev = NULL; -+ origin = abfd->origin; -+ for (; c != NULL; c = next) -+ { -+ if (c->header.type != cmdline_is_bfd_enum) -+ abort (); -+ -+ next = c->header.next; -+ -+ obfd = c->abfd.abfd; -+ oarchive = bfd_my_archive (obfd); -+ -+ if (strcmp (archive->filename, oarchive->filename) == 0) -+ { -+ bfd_boolean after; -+ -+ if (origin < obfd->origin) -+ { -+ /* Insert it before the current. */ -+ new_opt->header.next = c; -+ if (prev) -+ *prev = new_opt; -+ else -+ cmdline_object_only_archive_list.head = new_opt; -+ return; -+ } -+ -+ after = TRUE; -+ -+ /* Check origin. */ -+ while (next) -+ { -+ if (next->header.type != cmdline_is_bfd_enum) -+ abort (); -+ -+ nbfd = next->abfd.abfd; -+ norigin = nbfd->origin; -+ if (origin > norigin) -+ { -+ /* Insert it after NEXT. */ -+ break; -+ } -+ -+ narchive = bfd_my_archive (nbfd); -+ if (strcmp (archive->filename, narchive->filename) != 0) -+ { -+ /* Insert it befor NEXT. */ -+ after = FALSE; -+ break; -+ } -+ -+ c = next; -+ next = next->header.next; -+ } -+ -+ if (after && next) -+ { -+ c = next; -+ next = next->header.next; -+ } -+ -+ if (*cmdline_object_only_archive_list.tail == c->header.next) -+ cmdline_object_only_archive_list.tail -+ = &new_opt->header.next; -+ -+ prev = &c->header.next; -+ new_opt->header.next = next; -+ *prev = new_opt; -+ return; -+ } -+ -+ prev = &c->header.next; -+ } -+ -+ *cmdline_object_only_archive_list.tail = new_opt; -+ cmdline_object_only_archive_list.tail = &new_opt->header.next; -+ } -+ -+ -+ static void -+ cmdline_get_object_only_input_files (void) -+ { -+ cmdline_union_type *c, *next; -+ bfd *abfd, *archive; -+ bfd *nbfd, *narchive; -+ -+ /* Add files first. */ -+ for (c = cmdline_object_only_file_list.head; -+ c != NULL; c = c->header.next) -+ switch (c->header.type) -+ { -+ default: -+ abort (); -+ case cmdline_is_file_enum: -+ lang_add_input_file (c->file.filename, -+ lang_input_file_is_file_enum, NULL); -+ break; -+ case cmdline_is_bfd_enum: -+ abfd = c->abfd.abfd; -+ if (bfd_my_archive (abfd)) -+ abort (); -+ lang_add_input_file (abfd->filename, -+ lang_input_file_is_file_enum, NULL); -+ break; -+ } -+ -+ /* Add archive members next. */ -+ for (c = cmdline_object_only_archive_list.head; c != NULL; c = next) -+ { -+ if (c->header.type != cmdline_is_bfd_enum) -+ abort (); -+ -+ next = c->header.next; -+ -+ abfd = c->abfd.abfd; -+ archive = bfd_my_archive (abfd); -+ -+ /* Add the first archive of the archive member group. */ -+ lang_add_input_file (archive->filename, -+ lang_input_file_is_file_enum, NULL); -+ -+ /* Skip the rest members in the archive member group. */ -+ do -+ { -+ if (!next) -+ break; -+ -+ if (next->header.type != cmdline_is_bfd_enum) -+ abort (); -+ -+ next = next->header.next; -+ if (!next) -+ break; -+ nbfd = next->abfd.abfd; -+ narchive = bfd_my_archive (nbfd); -+ } -+ while (strcmp (archive->filename, narchive->filename) == 0); -+ } -+ } -+ -+ struct cmdline_arg -+ { -+ bfd *obfd; -+ asymbol **isympp; -+ int status; -+ }; -+ -+ /* Create a section in OBFD with the same -+ name and attributes as ISECTION in IBFD. */ -+ -+ static void -+ setup_section (bfd *ibfd, sec_ptr isection, void *p) -+ { -+ struct cmdline_arg *arg = (struct cmdline_arg *) p; -+ bfd *obfd = arg->obfd; -+ asymbol **isympp = arg->isympp; -+ const char *name = isection->name; -+ sec_ptr osection; -+ const char *err; -+ -+ /* Skip the object-only section. */ -+ if (ibfd->object_only_section == isection) -+ return; -+ -+ /* If we have already failed earlier on, do not keep on generating -+ complaints now. */ -+ if (arg->status) -+ return; -+ -+ osection = bfd_make_section_anyway_with_flags (obfd, name, -+ isection->flags); -+ -+ if (osection == NULL) -+ { -+ err = _("failed to create output section"); -+ goto loser; -+ } -+ -+ osection->size = isection->size; -+ osection->vma = isection->vma; -+ osection->lma = isection->lma; -+ osection->alignment_power = isection->alignment_power; -+ -+ /* Copy merge entity size. */ -+ osection->entsize = isection->entsize; -+ -+ /* This used to be mangle_section; we do here to avoid using -+ bfd_get_section_by_name since some formats allow multiple -+ sections with the same name. */ -+ isection->output_section = osection; -+ isection->output_offset = 0; -+ -+ if ((isection->flags & SEC_GROUP) != 0) -+ { -+ asymbol *gsym = bfd_group_signature (isection, isympp); -+ -+ if (gsym != NULL) -+ { -+ gsym->flags |= BSF_KEEP; -+ if (ibfd->xvec->flavour == bfd_target_elf_flavour) -+ elf_group_id (isection) = gsym; -+ } -+ } -+ -+ /* Allow the BFD backend to copy any private data it understands -+ from the input section to the output section. */ -+ if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) -+ { -+ err = _("failed to copy private data"); -+ goto loser; -+ } -+ -+ /* All went well. */ -+ return; -+ -+ loser: -+ arg->status = 1; -+ einfo (_("%P%F: setup_section: %s: %s\n"), err, name); -+ } -+ -+ /* Copy the data of input section ISECTION of IBFD -+ to an output section with the same name in OBFD. -+ If stripping then don't copy any relocation info. */ -+ -+ static void -+ copy_section (bfd *ibfd, sec_ptr isection, void *p) -+ { -+ struct cmdline_arg *arg = (struct cmdline_arg *) p; -+ bfd *obfd = arg->obfd; -+ asymbol **isympp = arg->isympp; -+ arelent **relpp; -+ long relcount; -+ sec_ptr osection; -+ bfd_size_type size; -+ long relsize; -+ flagword flags; -+ const char *err; -+ -+ /* Skip the object-only section. */ -+ if (ibfd->object_only_section == isection) -+ return; -+ -+ /* If we have already failed earlier on, do not keep on generating -+ complaints now. */ -+ if (arg->status) -+ return; -+ -+ flags = bfd_get_section_flags (ibfd, isection); -+ if ((flags & SEC_GROUP) != 0) -+ return; -+ -+ osection = isection->output_section; -+ size = bfd_get_section_size (isection); -+ -+ if (size == 0 || osection == 0) -+ return; -+ -+ relsize = bfd_get_reloc_upper_bound (ibfd, isection); -+ -+ if (relsize < 0) -+ { -+ /* Do not complain if the target does not support relocations. */ -+ if (relsize == -1 -+ && bfd_get_error () == bfd_error_invalid_operation) -+ relsize = 0; -+ else -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ } -+ -+ if (relsize == 0) -+ bfd_set_reloc (obfd, osection, NULL, 0); -+ else -+ { -+ relpp = (arelent **) xmalloc (relsize); -+ relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); -+ if (relcount < 0) -+ { -+ err = _("relocation count is negative"); -+ goto loser; -+ } -+ -+ bfd_set_reloc (obfd, osection, -+ relcount == 0 ? NULL : relpp, relcount); -+ if (relcount == 0) -+ free (relpp); -+ } -+ -+ if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS) -+ { -+ bfd_byte *memhunk = NULL; -+ -+ if (!bfd_get_full_section_contents (ibfd, isection, &memhunk)) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ if (!bfd_set_section_contents (obfd, osection, memhunk, 0, size)) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ free (memhunk); -+ } -+ -+ /* All went well. */ -+ return; -+ -+ loser: -+ einfo (_("%P%F: copy_section: %s: %s\n"), err, isection->name); -+ } -+ /* Open the temporary bfd created in the same directory as PATH. */ -+ -+ static bfd * -+ cmdline_fopen_temp (const char *path, const char *target, -+ const char *mode) -+ { -+ #define template "ldXXXXXX" -+ const char *slash = strrchr (path, '/'); -+ char *tmpname; -+ size_t len; -+ int fd; -+ -+ #ifdef HAVE_DOS_BASED_FILE_SYSTEM -+ { -+ /* We could have foo/bar\baz, or foo\bar, or d:bar. */ -+ char *bslash = strrchr (path, '\'); -+ -+ if (slash == NULL || (bslash != NULL && bslash > slash)) -+ slash = bslash; -+ if (slash == NULL && path[0] != '\0' && path[1] == ':') -+ slash = path + 1; -+ } -+ #endif -+ -+ if (slash != (char *) NULL) -+ { -+ len = slash - path; -+ tmpname = (char *) xmalloc (len + sizeof (template) + 2); -+ memcpy (tmpname, path, len); -+ -+ #ifdef HAVE_DOS_BASED_FILE_SYSTEM -+ /* If tmpname is "X:", appending a slash will make it a root -+ directory on drive X, which is NOT the same as the current -+ directory on drive X. */ -+ if (len == 2 && tmpname[1] == ':') -+ tmpname[len++] = '.'; -+ #endif -+ tmpname[len++] = '/'; -+ } -+ else -+ { -+ tmpname = (char *) xmalloc (sizeof (template)); -+ len = 0; -+ } -+ -+ memcpy (tmpname + len, template, sizeof (template)); -+ #undef template -+ -+ #ifdef HAVE_MKSTEMP -+ fd = mkstemp (tmpname); -+ #else -+ tmpname = mktemp (tmpname); -+ if (tmpname == NULL) -+ return NULL; -+ fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600); -+ #endif -+ if (fd == -1) -+ return NULL; -+ return bfd_fopen (tmpname, target, mode, fd); -+ } -+ -+ /* Add the object-only section. */ -+ -+ static void -+ cmdline_add_object_only_section (bfd_byte *contents, size_t size) -+ { -+ bfd_vma start; -+ flagword flags; -+ enum bfd_architecture iarch; -+ unsigned int imach; -+ long symcount; -+ long symsize; -+ asymbol **isympp = NULL; -+ asymbol **osympp = NULL; -+ bfd *obfd = NULL, *ibfd; -+ const char *err; -+ struct arg -+ { -+ bfd *obfd; -+ asymbol **isympp; -+ int status; -+ } arg; -+ char **matching; -+ const char *ofilename = NULL; -+ asection *sec; -+ -+ ibfd = bfd_openr (output_filename, output_target); -+ if (!ibfd) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ if (!bfd_check_format_matches (ibfd, bfd_object, &matching)) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ obfd = cmdline_fopen_temp (output_filename, output_target, "w"); -+ if (!obfd) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ ofilename = bfd_get_filename (obfd); -+ -+ if (!bfd_set_format (obfd, bfd_object)) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ /* Copy the start address, flags and architecture of input file to -+ output file. */ -+ flags = bfd_get_file_flags (ibfd); -+ start = bfd_get_start_address (ibfd); -+ iarch = bfd_get_arch (ibfd); -+ imach = bfd_get_mach (ibfd); -+ if (!bfd_set_start_address (obfd, start) -+ || !bfd_set_file_flags (obfd, flags) -+ || !bfd_set_arch_mach (obfd, iarch, imach)) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ symsize = bfd_get_symtab_upper_bound (ibfd); -+ if (symsize < 0) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ isympp = (asymbol **) xmalloc (symsize); -+ symcount = bfd_canonicalize_symtab (ibfd, isympp); -+ if (symcount < 0) -+ { -+ err = bfd_errmsg (bfd_get_error ()); -+ goto loser; -+ } -+ -+ arg.obfd = obfd; -+ arg.isympp = isympp; -+ arg.status = 0; -+ -+ /* BFD mandates that all output sections be created and sizes set before -+ any output is done. Thus, we traverse all sections multiple times. */ -+ bfd_map_over_sections (ibfd, setup_section, &arg); -+ -+ if (arg.status) -+ { -+ err = _("error setting up sections"); -+ goto loser; -+ } -+ -+ /* Allow the BFD backend to copy any private data it understands -+ from the input section to the output section. */ -+ if (! bfd_copy_private_header_data (ibfd, obfd)) -+ { -+ err = _("error copying private header data"); -+ goto loser; -+ } -+ -+ /* Create the object-only section. */ -+ sec = bfd_make_section_with_flags (obfd, -+ GNU_OBJECT_ONLY_SECTION_NAME, -+ (SEC_HAS_CONTENTS -+ | SEC_READONLY -+ | SEC_DATA -+ | SEC_LINKER_CREATED)); -+ if (sec == NULL) -+ { -+ err = _("can't create object-only section"); -+ goto loser; -+ } -+ -+ if (! bfd_set_section_size (obfd, sec, size)) -+ { -+ err = _("can't set object-only section size"); -+ goto loser; -+ } -+ -+ if (ibfd->object_only_section) -+ { -+ /* Filter out the object-only section symbol. */ -+ long src_count = 0, dst_count = 0; -+ asymbol **from, **to; -+ -+ osympp = (asymbol **) xmalloc (symcount * sizeof (asymbol *)); -+ from = isympp; -+ to = osympp; -+ for (; src_count < symcount; src_count++) -+ { -+ asymbol *sym = from[src_count]; -+ if (bfd_get_section (sym) != ibfd->object_only_section) -+ to[dst_count++] = sym; -+ } -+ to[dst_count] = NULL; -+ symcount = dst_count; -+ bfd_set_symtab (obfd, osympp, symcount); -+ } -+ else -+ bfd_set_symtab (obfd, isympp, symcount); -+ -+ /* This has to happen after the symbol table has been set. */ -+ bfd_map_over_sections (ibfd, copy_section, &arg); -+ -+ if (arg.status) -+ { -+ err = _("error copying sections"); -+ goto loser; -+ } -+ -+ /* Copy the object-only section to the output. */ -+ if (! bfd_set_section_contents (obfd, sec, contents, 0, size)) -+ { -+ err = _("error adding object-only section"); -+ goto loser; -+ } -+ -+ /* Allow the BFD backend to copy any private data it understands -+ from the input BFD to the output BFD. This is done last to -+ permit the routine to look at the filtered symbol table, which is -+ important for the ECOFF code at least. */ -+ if (! bfd_copy_private_bfd_data (ibfd, obfd)) -+ { -+ err = _("error copying private BFD data"); -+ goto loser; -+ } -+ -+ if (!bfd_close (obfd)) -+ { -+ unlink (ofilename); -+ einfo (_("%P%F: failed to finish output with object-only section\n")); -+ } -+ -+ /* Must be freed after bfd_close (). */ -+ free (isympp); -+ if (osympp) -+ free (osympp); -+ -+ if (rename (ofilename, output_filename)) -+ { -+ unlink (ofilename); -+ einfo (_("%P%F: failed to rename output with object-only section\n")); -+ } -+ -+ return; -+ -+ loser: -+ if (isympp) -+ free (isympp); -+ if (osympp) -+ free (osympp); -+ if (obfd) -+ bfd_close (obfd); -+ if (ofilename) -+ unlink (ofilename); -+ einfo (_("%P%F: failed to add object-only section: %s\n"), err); -+ } -+ -+ /* Emit the final output with object-only section. */ -+ -+ void -+ cmdline_emit_object_only_section (void) -+ { -+ const char *saved_output_filename = output_filename; -+ int fd; -+ size_t size, off; -+ bfd_byte *contents; -+ struct stat st; -+ -+ /* Get a temporary object-only file. */ -+ output_filename = make_temp_file (".obj-only.o"); -+ -+ had_output_filename = FALSE; -+ link_info.input_bfds = NULL; -+ link_info.input_bfds_tail = &link_info.input_bfds; -+ -+ lang_init (TRUE); -+ -+ ld_parse_linker_script (); -+ -+ /* Set up the object-only output. */ -+ lang_final (); -+ -+ /* Open the object-only file for output. */ -+ lang_for_each_statement (ldlang_open_output); -+ -+ ldemul_create_output_section_statements (); -+ -+ if (!bfd_section_already_linked_table_init ()) -+ einfo (_("%P%F: Failed to create hash table\n")); -+ -+ /* Call cmdline_on_object_only_archive_list_p to check which member -+ should be loaded. */ -+ input_flags.whole_archive = TRUE; -+ -+ /* Set it to avoid adding more to cmdline lists. */ -+ link_info.emitting_gnu_object_only = TRUE; -+ -+ cmdline_get_object_only_input_files (); -+ -+ open_input_bfds (statement_list.head, FALSE); -+ -+ ldemul_after_open (); -+ -+ bfd_section_already_linked_table_free (); -+ -+ /* Make sure that we're not mixing architectures. We call this -+ after all the input files have been opened, but before we do any -+ other processing, so that any operations merge_private_bfd_data -+ does on the output file will be known during the rest of the -+ link. */ -+ lang_check (); -+ -+ /* Size up the common data. */ -+ lang_common (); -+ -+ /* Update wild statements. */ -+ update_wild_statements (statement_list.head); -+ -+ /* Run through the contours of the script and attach input sections -+ to the correct output sections. */ -+ map_input_to_output_sections (statement_list.head, NULL, NULL); -+ -+ /* Find any sections not attached explicitly and handle them. */ -+ lang_place_orphans (); -+ -+ /* Do anything special before sizing sections. This is where ELF -+ and other back-ends size dynamic sections. */ -+ ldemul_before_allocation (); -+ -+ /* Size up the sections. */ -+ lang_size_sections (NULL, ! RELAXATION_ENABLED); -+ -+ /* See if anything special should be done now we know how big -+ everything is. This is where relaxation is done. */ -+ ldemul_after_allocation (); -+ -+ ldemul_finish (); -+ -+ /* Make sure that the section addresses make sense. */ -+ if (command_line.check_section_addresses) -+ lang_check_section_addresses (); -+ -+ lang_end (); -+ -+ ldwrite (); -+ -+ lang_finish (); -+ -+ if (! bfd_close (link_info.output_bfd)) -+ einfo (_("%P%F:%s: final close failed on object-only output: %E\n"), -+ output_filename); -+ -+ /* Read in the object-only file. */ -+ fd = open (output_filename, O_RDONLY | O_BINARY); -+ if (fd < 0) -+ { -+ bfd_set_error (bfd_error_system_call); -+ einfo (_("%P%F:%s: cannot open object-only output: %E"), -+ output_filename); -+ } -+ -+ /* Get the object-only file size. */ -+ if (fstat (fd, &st) != 0) -+ { -+ bfd_set_error (bfd_error_system_call); -+ einfo (_("%P%F:%s: cannot stat object-only output: %E"), -+ output_filename); -+ } -+ -+ size = st.st_size; -+ off = 0; -+ contents = (bfd_byte *) xmalloc (size); -+ while (off != size) -+ { -+ ssize_t got; -+ -+ got = read (fd, contents + off, size - off); -+ if (got < 0) -+ { -+ bfd_set_error (bfd_error_system_call); -+ einfo (_("%P%F:%s: read failed on object-only output: %E"), -+ output_filename); -+ } -+ -+ off += got; -+ } -+ -+ close (fd); -+ -+ /* Remove the temporary object-only file. */ -+ unlink (output_filename); -+ -+ output_filename = saved_output_filename; -+ -+ cmdline_add_object_only_section (contents, size); -+ -+ free (contents); -+ } -+ -+ /* Extract the object-only section. */ -+ -+ static const char * -+ cmdline_extract_object_only_section (bfd *abfd) -+ { -+ const char *name = bfd_extract_object_only_section (abfd); -+ -+ if (name == NULL) -+ einfo (_("%P%F: cannot extract object-only section from %B: %E"), -+ abfd); -+ -+ /* It should be removed after it is done. */ -+ cmdline_list_append (&cmdline_temp_object_only_list, -+ cmdline_is_file_enum, (void *) name); -+ -+ return name; -+ } -+ -+ /* Check and handle the object-only section. */ -+ -+ void -+ cmdline_check_object_only_section (bfd *abfd, bfd_boolean lto) -+ { -+ const char *filename; -+ -+ if (link_info.emitting_gnu_object_only -+ || abfd->format != bfd_object) -+ return; -+ -+ if (lto) -+ { -+ /* For LTO link, we only need to extract object-only section -+ from the mixed object, add it to input, and put it on LTO -+ claimed output. */ -+ switch (abfd->lto_type) -+ { -+ default: -+ abort (); -+ case lto_mixed_object: -+ filename = cmdline_extract_object_only_section (abfd); -+ lang_add_input_file (filename, -+ lang_input_file_is_file_enum, NULL); -+ break; -+ case lto_non_ir_object: -+ case lto_ir_object: -+ break; -+ } -+ } -+ else if (link_info.relocatable) -+ { -+ /* For non-LTO relocatable link, we need to append non-IR object -+ file and the object file in object-only section to the object -+ only list. */ -+ switch (abfd->lto_type) -+ { -+ default: -+ abort (); -+ case lto_mixed_object: -+ filename = cmdline_extract_object_only_section (abfd); -+ cmdline_object_only_list_append (cmdline_is_file_enum, -+ (void *) filename); -+ break; -+ case lto_non_ir_object: -+ cmdline_object_only_list_append (cmdline_is_bfd_enum, abfd); -+ break; -+ case lto_ir_object: -+ break; -+ } -+ } -+ } -+ -+ /* Remove temporary object-only files. */ -+ -+ void -+ cmdline_remove_object_only_files (void) -+ { -+ cmdline_union_type *c; -+ -+ #ifdef ENABLE_PLUGINS -+ if (plugin_save_temps) -+ return; -+ #endif -+ -+ c = cmdline_temp_object_only_list.head; -+ for (; c != NULL; c = c->header.next) -+ switch (c->header.type) -+ { -+ default: -+ abort (); -+ case cmdline_is_file_enum: -+ unlink (c->file.filename); -+ break; -+ } -+ } -+ -+ -+ -diff -cpr ../binutils-2.23.2.orig/ld/ldlang.h ld/ldlang.h -*** ../binutils-2.23.2.orig/ld/ldlang.h 2013-05-14 16:39:36.861718097 +0100 ---- ld/ldlang.h 2013-05-14 16:40:07.053718934 +0100 -*************** extern lang_statement_list_type input_fi -*** 488,494 **** - extern int lang_statement_iteration; - - extern void lang_init -! (void); - extern void lang_finish - (void); - extern lang_memory_region_type * lang_memory_region_lookup ---- 488,494 ---- - extern int lang_statement_iteration; - - extern void lang_init -! (bfd_boolean); - extern void lang_finish - (void); - extern lang_memory_region_type * lang_memory_region_lookup -*************** ldlang_override_segment_assignment -*** 664,667 **** ---- 664,708 ---- - extern void - lang_ld_feature (char *); - -+ typedef enum -+ { -+ cmdline_is_file_enum, -+ cmdline_is_bfd_enum -+ } cmdline_enum_type; -+ -+ typedef struct cmdline_header_struct -+ { -+ union cmdline_union *next; -+ cmdline_enum_type type; -+ } cmdline_header_type; -+ -+ typedef struct cmdline_file_struct -+ { -+ cmdline_header_type header; -+ const char *filename; -+ } cmdline_file_type; -+ -+ typedef struct cmdline_bfd_struct -+ { -+ cmdline_header_type header; -+ bfd *abfd; -+ } cmdline_bfd_type; -+ -+ typedef union cmdline_union -+ { -+ cmdline_header_type header; -+ cmdline_file_type file; -+ cmdline_bfd_type abfd; -+ } cmdline_union_type; -+ -+ typedef struct cmdline_list -+ { -+ cmdline_union_type *head; -+ cmdline_union_type **tail; -+ } cmdline_list_type; -+ -+ extern void cmdline_emit_object_only_section (void); -+ extern void cmdline_check_object_only_section (bfd *, bfd_boolean); -+ extern void cmdline_remove_object_only_files (void); -+ - #endif -diff -cpr ../binutils-2.23.2.orig/ld/ldlex.h ld/ldlex.h -*** ../binutils-2.23.2.orig/ld/ldlex.h 2013-05-14 16:39:39.789718178 +0100 ---- ld/ldlex.h 2013-05-14 16:47:18.651730898 +0100 -*************** enum option_values -*** 133,138 **** ---- 133,139 ---- - #ifdef ENABLE_PLUGINS - OPTION_PLUGIN, - OPTION_PLUGIN_OPT, -+ OPTION_PLUGIN_SAVE_TEMPS, - #endif /* ENABLE_PLUGINS */ - OPTION_DEFAULT_SCRIPT, - OPTION_PRINT_OUTPUT_FORMAT, -diff -cpr ../binutils-2.23.2.orig/ld/ldmain.c ld/ldmain.c -*** ../binutils-2.23.2.orig/ld/ldmain.c 2013-05-14 16:39:36.862718097 +0100 ---- ld/ldmain.c 2013-05-14 16:40:07.055718934 +0100 -*************** main (int argc, char **argv) -*** 219,224 **** ---- 219,227 ---- - - xatexit (ld_cleanup); - -+ /* Remove temporary object-only files. */ -+ xatexit (cmdline_remove_object_only_files); -+ - /* Set up the sysroot directory. */ - ld_sysroot = get_sysroot (argc, argv); - if (*ld_sysroot) -*************** main (int argc, char **argv) -*** 295,301 **** - default_target = ldemul_choose_target (argc, argv); - config.maxpagesize = bfd_emul_get_maxpagesize (default_target); - config.commonpagesize = bfd_emul_get_commonpagesize (default_target); -! lang_init (); - ldemul_before_parse (); - lang_has_input_file = FALSE; - parse_args (argc, argv); ---- 298,304 ---- - default_target = ldemul_choose_target (argc, argv); - config.maxpagesize = bfd_emul_get_maxpagesize (default_target); - config.commonpagesize = bfd_emul_get_commonpagesize (default_target); -! lang_init (FALSE); - ldemul_before_parse (); - lang_has_input_file = FALSE; - parse_args (argc, argv); -*************** main (int argc, char **argv) -*** 310,343 **** - - ldemul_set_symbols (); - -! /* If we have not already opened and parsed a linker script, -! try the default script from command line first. */ -! if (saved_script_handle == NULL -! && command_line.default_script != NULL) -! { -! ldfile_open_command_file (command_line.default_script); -! parser_input = input_script; -! yyparse (); -! } -! -! /* If we have not already opened and parsed a linker script -! read the emulation's appropriate default script. */ -! if (saved_script_handle == NULL) -! { -! int isfile; -! char *s = ldemul_get_script (&isfile); -! -! if (isfile) -! ldfile_open_default_command_file (s); -! else -! { -! lex_string = s; -! lex_redirect (s, _("built in linker script"), 1); -! } -! parser_input = input_script; -! yyparse (); -! lex_string = NULL; -! } - - if (verbose) - { ---- 313,319 ---- - - ldemul_set_symbols (); - -! ld_parse_linker_script (); - - if (verbose) - { -*************** main (int argc, char **argv) -*** 444,449 **** ---- 420,427 ---- - if (! bfd_close (link_info.output_bfd)) - einfo (_("%F%B: final close failed: %E\n"), link_info.output_bfd); - -+ link_info.output_bfd = NULL; -+ - /* If the --force-exe-suffix is enabled, and we're making an - executable file and it doesn't end in .exe, copy it to one - which does. */ -*************** main (int argc, char **argv) -*** 490,495 **** ---- 468,476 ---- - } - } - -+ if (link_info.emit_gnu_object_only) -+ cmdline_emit_object_only_section (); -+ - END_PROGRESS (program_name); - - if (config.stats) -*************** add_archive_element (struct bfd_link_inf -*** 779,785 **** ---- 760,768 ---- - } - } - } -+ else - #endif /* ENABLE_PLUGINS */ -+ cmdline_check_object_only_section (input->the_bfd, FALSE); - - ldlang_add_file (input); - -*************** warning_callback (struct bfd_link_info * -*** 1152,1158 **** - einfo ("%P: %s%s\n", _("warning: "), warning); - else if (symbol == NULL) - einfo ("%B: %s%s\n", abfd, _("warning: "), warning); -! else - { - struct warning_callback_info cinfo; - ---- 1135,1141 ---- - einfo ("%P: %s%s\n", _("warning: "), warning); - else if (symbol == NULL) - einfo ("%B: %s%s\n", abfd, _("warning: "), warning); -! else if ((abfd->flags & BFD_PLUGIN) == 0) - { - struct warning_callback_info cinfo; - -*************** notice (struct bfd_link_info *info, -*** 1459,1461 **** ---- 1442,1479 ---- - - return TRUE; - } -+ -+ /* Parse the linker script. */ -+ -+ void -+ ld_parse_linker_script () -+ { -+ /* If we have not already opened and parsed a linker script, -+ try the default script from command line first. */ -+ if (saved_script_handle == NULL -+ && command_line.default_script != NULL) -+ { -+ ldfile_open_command_file (command_line.default_script); -+ parser_input = input_script; -+ yyparse (); -+ } -+ -+ /* If we have not already opened and parsed a linker script -+ read the emulation's appropriate default script. */ -+ if (saved_script_handle == NULL) -+ { -+ int isfile; -+ char *s = ldemul_get_script (&isfile); -+ -+ if (isfile) -+ ldfile_open_default_command_file (s); -+ else -+ { -+ lex_string = s; -+ lex_redirect (s, _("built in linker script"), 1); -+ } -+ parser_input = input_script; -+ yyparse (); -+ lex_string = NULL; -+ } -+ } -diff -cpr ../binutils-2.23.2.orig/ld/ldmain.h ld/ldmain.h -*** ../binutils-2.23.2.orig/ld/ldmain.h 2013-05-14 16:39:39.810718179 +0100 ---- ld/ldmain.h 2013-05-14 16:40:07.055718934 +0100 -*************** extern void add_ysym (const char *); -*** 43,46 **** ---- 43,48 ---- - extern void add_ignoresym (struct bfd_link_info *, const char *); - extern void add_keepsyms_file (const char *); - -+ extern void ld_parse_linker_script (void); -+ - #endif -diff -cpr ../binutils-2.23.2.orig/ld/lexsup.c ld/lexsup.c -*** ../binutils-2.23.2.orig/ld/lexsup.c 2013-05-14 16:39:36.709718093 +0100 ---- ld/lexsup.c 2013-05-14 16:40:07.058718934 +0100 -*************** static const struct ld_option ld_options -*** 168,173 **** ---- 168,176 ---- - '\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH }, - { {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT}, - '\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH }, -+ { {"plugin-save-temps", no_argument, NULL, OPTION_PLUGIN_SAVE_TEMPS}, -+ '\0', NULL, N_("Store plugin intermediate files permanently"), -+ ONE_DASH }, - { {"flto", optional_argument, NULL, OPTION_IGNORE}, - '\0', NULL, N_("Ignored for GCC LTO option compatibility"), - ONE_DASH }, -*************** parse_args (unsigned argc, char **argv) -*** 958,963 **** ---- 961,969 ---- - if (plugin_opt_plugin_arg (optarg)) - einfo(_("%P%F: bad -plugin-opt option\n")); - break; -+ case OPTION_PLUGIN_SAVE_TEMPS: -+ plugin_save_temps = TRUE; -+ break; - #endif /* ENABLE_PLUGINS */ - case 'q': - link_info.emitrelocations = TRUE; -diff -cpr ../binutils-2.23.2.orig/ld/plugin.c ld/plugin.c -*** ../binutils-2.23.2.orig/ld/plugin.c 2013-05-14 16:39:37.435718113 +0100 ---- ld/plugin.c 2013-05-14 16:48:59.039733681 +0100 -*************** -*** 39,44 **** ---- 39,47 ---- - /* Report plugin symbols. */ - bfd_boolean report_plugin_symbols; - -+ /* Store plugin intermediate files permanently. */ -+ bfd_boolean plugin_save_temps; -+ - /* The suffix to append to the name of the real (claimed) object file - when generating a dummy BFD to hold the IR symbols sent from the - plugin. For cosmetic use only; appears in maps, crefs etc. */ -*************** plugin_opt_plugin_arg (const char *arg) -*** 217,222 **** ---- 220,236 ---- - if (!last_plugin) - return set_plugin_error (_("<no plugin>")); - -+ /* Ignore -pass-through= from GCC driver. */ -+ if (*arg == '-') -+ { -+ const char *p; -+ for (p = arg + 1; p; p++) -+ if (*p != '-') -+ break; -+ if (strncmp (p, "pass-through=", 13) == 0) -+ return 0; -+ } -+ - newarg = xmalloc (sizeof *newarg); - newarg->arg = arg; - newarg->next = NULL; -*************** plugin_maybe_claim (struct ld_plugin_inp -*** 876,881 **** ---- 890,898 ---- - close (file->fd); - if (claimed) - { -+ /* Check object only section. */ -+ cmdline_check_object_only_section (entry->the_bfd, TRUE); -+ - /* Discard the real file's BFD and substitute the dummy one. */ - - /* BFD archive handling caches elements so we can't call -*************** plugin_call_cleanup (void) -*** 929,942 **** - { - if (curplug->cleanup_handler && !curplug->cleanup_done) - { -! enum ld_plugin_status rv; -! curplug->cleanup_done = TRUE; -! called_plugin = curplug; -! rv = (*curplug->cleanup_handler) (); -! called_plugin = NULL; -! if (rv != LDPS_OK) -! info_msg (_("%P: %s: error in plugin cleanup: %d (ignored)\n"), -! curplug->name, rv); - dlclose (curplug->dlhandle); - } - curplug = curplug->next; ---- 946,962 ---- - { - if (curplug->cleanup_handler && !curplug->cleanup_done) - { -! if (!plugin_save_temps) -! { -! enum ld_plugin_status rv; -! curplug->cleanup_done = TRUE; -! called_plugin = curplug; -! rv = (*curplug->cleanup_handler) (); -! called_plugin = NULL; -! if (rv != LDPS_OK) -! info_msg (_("%P: %s: error in plugin cleanup: %d (ignored)\n"), -! curplug->name, rv); -! } - dlclose (curplug->dlhandle); - } - curplug = curplug->next; -diff -cpr ../binutils-2.23.2.orig/ld/plugin.h ld/plugin.h -*** ../binutils-2.23.2.orig/ld/plugin.h 2013-05-14 16:39:39.705718176 +0100 ---- ld/plugin.h 2013-05-14 16:40:07.059718934 +0100 -*************** -*** 24,29 **** ---- 24,32 ---- - /* Report plugin symbols. */ - extern bfd_boolean report_plugin_symbols; - -+ /* Store plugin intermediate files permanently. */ -+ extern bfd_boolean plugin_save_temps; -+ - /* Set at all symbols read time, to avoid recursively offering the plugin - its own newly-added input files and libs to claim. */ - extern bfd_boolean no_more_claiming; -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/armbpabi.sc ld/scripttempl/armbpabi.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/armbpabi.sc 2013-05-14 16:39:39.758718177 +0100 ---- ld/scripttempl/armbpabi.sc 2013-05-14 16:54:15.657742458 +0100 -*************** INTERP=".interp 0 : { *(.interp) } -*** 30,36 **** - PLT=".plt ${RELOCATING-0} : { *(.plt) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { ---- 30,36 ---- - PLT=".plt ${RELOCATING-0} : { *(.plt) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/elf32sh-symbian.sc ld/scripttempl/elf32sh-symbian.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/elf32sh-symbian.sc 2013-05-14 16:39:39.759718177 +0100 ---- ld/scripttempl/elf32sh-symbian.sc 2013-05-14 16:40:07.062718934 +0100 -*************** fi -*** 83,89 **** - PLT=".plt : { *(.plt) } :dynamic :dyn" - DYNAMIC=".dynamic : { *(.dynamic) } :dynamic :dyn" - RODATA=".rodata ALIGN(4) : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.directive) *(.gnu.lto_*) }" - test -z "$GOT" && GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) } :dynamic :dyn" - INIT_ARRAY=".init_array ${RELOCATING-0} : - { ---- 83,89 ---- - PLT=".plt : { *(.plt) } :dynamic :dyn" - DYNAMIC=".dynamic : { *(.dynamic) } :dynamic :dyn" - RODATA=".rodata ALIGN(4) : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.directive) *(.gnu.lto_*) *(.gnu_object_only) }" - test -z "$GOT" && GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) } :dynamic :dyn" - INIT_ARRAY=".init_array ${RELOCATING-0} : - { -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/elf64hppa.sc ld/scripttempl/elf64hppa.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/elf64hppa.sc 2013-05-14 16:39:39.733718177 +0100 ---- ld/scripttempl/elf64hppa.sc 2013-05-14 16:55:16.076744133 +0100 -*************** fi -*** 127,133 **** - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { ---- 127,133 ---- - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/elf.sc ld/scripttempl/elf.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/elf.sc 2013-05-14 16:39:39.755718177 +0100 ---- ld/scripttempl/elf.sc 2013-05-14 16:54:44.618743261 +0100 -*************** RELA_IPLT=".rela.iplt ${RELOCATING-0} -*** 158,164 **** - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".${RODATA_NAME} ${RELOCATING-0} : { *(.${RODATA_NAME}${RELOCATING+ .${RODATA_NAME}.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".${SBSS_NAME} ${RELOCATING-0} : - { ---- 158,164 ---- - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".${RODATA_NAME} ${RELOCATING-0} : { *(.${RODATA_NAME}${RELOCATING+ .${RODATA_NAME}.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".${SBSS_NAME} ${RELOCATING-0} : - { -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/elfxtensa.sc ld/scripttempl/elfxtensa.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/elfxtensa.sc 2013-05-14 16:39:39.754718177 +0100 ---- ld/scripttempl/elfxtensa.sc 2013-05-14 16:55:44.908744932 +0100 -*************** fi -*** 140,146 **** - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" - INIT_LIT=".init.literal 0 : { *(.init.literal) }" - INIT=".init 0 : { *(.init) }" - FINI_LIT=".fini.literal 0 : { *(.fini.literal) }" ---- 140,146 ---- - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" - INIT_LIT=".init.literal 0 : { *(.init.literal) }" - INIT=".init 0 : { *(.init) }" - FINI_LIT=".fini.literal 0 : { *(.fini.literal) }" -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/mep.sc ld/scripttempl/mep.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/mep.sc 2013-05-14 16:39:39.755718177 +0100 ---- ld/scripttempl/mep.sc 2013-05-14 16:56:08.605745589 +0100 -*************** fi -*** 114,120 **** - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { ---- 114,120 ---- - DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" - RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" - DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" -! DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" - if test -z "${NO_SMALL_DATA}"; then - SBSS=".sbss ${RELOCATING-0} : - { -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/pep.sc ld/scripttempl/pep.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/pep.sc 2013-05-14 16:39:39.755718177 +0100 ---- ld/scripttempl/pep.sc 2013-05-14 16:40:07.064718934 +0100 -*************** SECTIONS -*** 154,159 **** ---- 154,160 ---- - *(.drectve) - ${RELOCATING+ *(.note.GNU-stack)} - ${RELOCATING+ *(.gnu.lto_*)} -+ ${RELOCATING+ *(.gnu_object_only)} - } - - .idata ${RELOCATING+BLOCK(__section_alignment__)} : -diff -cpr ../binutils-2.23.2.orig/ld/scripttempl/pe.sc ld/scripttempl/pe.sc -*** ../binutils-2.23.2.orig/ld/scripttempl/pe.sc 2013-05-14 16:39:39.758718177 +0100 ---- ld/scripttempl/pe.sc 2013-05-14 16:40:07.064718934 +0100 -*************** SECTIONS -*** 148,153 **** ---- 148,154 ---- - *(.drectve) - ${RELOCATING+ *(.note.GNU-stack)} - ${RELOCATING+ *(.gnu.lto_*)} -+ ${RELOCATING+ *(.gnu_object_only)} - } - - .idata ${RELOCATING+BLOCK(__section_alignment__)} : diff --git a/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch b/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch new file mode 100644 index 0000000..944f4fd --- /dev/null +++ b/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch @@ -0,0 +1,38 @@ +--- a/bfd/opncls.c 2013-03-14 11:25:30.338306122 +0000 ++++ b/bfd/opncls.c 2013-03-14 12:20:21.686397360 +0000 +@@ -1297,6 +1297,8 @@ + bfd_malloc (strlen (debug_file_directory) + 1 + + (canon_dirlen > dirlen ? canon_dirlen : dirlen) + + strlen (".debug/") ++#define FEDORA_LIB_DEBUG_DIR "/usr/lib/debug/" ++ + strlen (FEDORA_LIB_DEBUG_DIR) + strlen ("usr/") + + strlen (base) + + 1); + if (debugfile == NULL) +@@ -1332,6 +1334,26 @@ + if (check_func (debugfile, crc32)) + goto found; + ++ /* Then try in the global debug dir for Fedora libraries. */ ++ sprintf (debugfile, "%s%s%s", FEDORA_LIB_DEBUG_DIR, dir, base); ++ if (separate_debug_file_exists (debugfile, crc32)) ++ { ++ free (base); ++ free (dir); ++ free (canon_dir); ++ return debugfile; ++ } ++ ++ /* Then try in the usr subdirectory of the global debug dir for Fedora libraries. */ ++ sprintf (debugfile, "%s/usr%s%s", FEDORA_LIB_DEBUG_DIR, dir, base); ++ if (separate_debug_file_exists (debugfile, crc32)) ++ { ++ free (base); ++ free (dir); ++ free (canon_dir); ++ return debugfile; ++ } ++ + /* Then try in the global debugfile directory. */ + strcpy (debugfile, debug_file_directory); + dirlen = strlen (debug_file_directory) - 1; diff --git a/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch0 b/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch0 deleted file mode 100644 index 68f0470..0000000 --- a/binutils/patches/binutils-2.23.52.0.1-addr2line-dynsymtab.patch0 +++ /dev/null @@ -1,122 +0,0 @@ -*** ../binutils-2.23.52.0.1.orig/bfd/opncls.c 2013-03-14 11:25:30.338306122 +0000 ---- bfd/opncls.c 2013-03-14 12:20:21.686397360 +0000 -*************** find_separate_debug_file (bfd *abfd, con -*** 1297,1302 **** ---- 1297,1304 ---- - bfd_malloc (strlen (debug_file_directory) + 1 - + (canon_dirlen > dirlen ? canon_dirlen : dirlen) - + strlen (".debug/") -+ #define FEDORA_LIB_DEBUG_DIR "/usr/lib/debug/" -+ + strlen (FEDORA_LIB_DEBUG_DIR) + strlen ("usr/") - + strlen (base) - + 1); - if (debugfile == NULL) -*************** find_separate_debug_file (bfd *abfd, con -*** 1332,1337 **** ---- 1334,1359 ---- - if (check_func (debugfile, crc32)) - goto found; - -+ /* Then try in the global debug dir for Fedora libraries. */ -+ sprintf (debugfile, "%s%s%s", FEDORA_LIB_DEBUG_DIR, dir, base); -+ if (separate_debug_file_exists (debugfile, crc32)) -+ { -+ free (base); -+ free (dir); -+ free (canon_dir); -+ return debugfile; -+ } -+ -+ /* Then try in the usr subdirectory of the global debug dir for Fedora libraries. */ -+ sprintf (debugfile, "%s/usr%s%s", FEDORA_LIB_DEBUG_DIR, dir, base); -+ if (separate_debug_file_exists (debugfile, crc32)) -+ { -+ free (base); -+ free (dir); -+ free (canon_dir); -+ return debugfile; -+ } -+ - /* Then try in the global debugfile directory. */ - strcpy (debugfile, debug_file_directory); - dirlen = strlen (debug_file_directory) - 1; -*** ../binutils-2.23.52.0.1.orig/bfd/dwarf2.c 2013-03-14 11:25:30.608306129 +0000 ---- bfd/dwarf2.c 2013-03-14 13:14:18.102487075 +0000 -*************** find_line (bfd *abfd, -*** 3339,3346 **** ---- 3339,3349 ---- - struct dwarf2_debug *stash; - /* What address are we looking for? */ - bfd_vma addr; -+ /* What is the address without relocation ? */ -+ bfd_vma unrelocated_addr; - struct comp_unit* each; - bfd_vma found = FALSE; -+ bfd_vma possible_find = FALSE; - bfd_boolean do_line; - - *filename_ptr = NULL; -*************** find_line (bfd *abfd, -*** 3380,3385 **** ---- 3383,3394 ---- - else - abort (); - -+ /* If we are dealing with PIC code then the debug information -+ will be based on unrelocated addresses. Since we cannot be -+ sure if this is a PIC address we test both with and without -+ relocation. */ -+ unrelocated_addr = addr; -+ - if (section->output_section) - addr += section->output_section->vma + section->output_offset; - else -*************** find_line (bfd *abfd, -*** 3442,3447 **** ---- 3451,3466 ---- - stash)); - if (found) - goto done; -+ -+ if (! possible_find) -+ possible_find = ((each->arange.high == 0 -+ || comp_unit_contains_address (each, unrelocated_addr)) -+ && comp_unit_find_nearest_line (each, unrelocated_addr, -+ filename_ptr, -+ functionname_ptr, -+ linenumber_ptr, -+ discriminator_ptr, -+ stash)); - } - } - -*************** find_line (bfd *abfd, -*** 3535,3540 **** ---- 3554,3569 ---- - discriminator_ptr, - stash)); - -+ if (! found && ! do_line && ! possible_find) -+ possible_find = ((each->arange.high == 0 -+ || comp_unit_contains_address (each, unrelocated_addr)) -+ && comp_unit_find_nearest_line (each, unrelocated_addr, -+ filename_ptr, -+ functionname_ptr, -+ linenumber_ptr, -+ discriminator_ptr, -+ stash)); -+ - if ((bfd_vma) (stash->info_ptr - stash->sec_info_ptr) - == stash->sec->size) - { -*************** find_line (bfd *abfd, -*** 3552,3557 **** ---- 3581,3588 ---- - if ((abfd->flags & (EXEC_P | DYNAMIC)) == 0) - unset_sections (stash); - -+ if (! found) -+ return possible_find; - return found; - } - diff --git a/binutils/patches/binutils-2.23.52.0.1-hardened-crtbegin.patch b/binutils/patches/binutils-2.23.52.0.1-hardened-crtbegin.patch deleted file mode 100644 index 996bce5..0000000 --- a/binutils/patches/binutils-2.23.52.0.1-hardened-crtbegin.patch +++ /dev/null @@ -1,39 +0,0 @@ -https://bugs.gentoo.org/391899 -https://bugs.gentoo.org/393321 - -Make sure the default ELF linker script does the right thing with our customer -PIE+PIC gcc objects (until we get a chance to rename them). - -2011-12-05 Magnus Granberg zorry@gentoo.org, Alphat-PC AlphatPC@gmail.com - - * scripttempl/elf.sc: Add support for crtbeginTS.o - ---- a/ld/scripttempl/elf.sc -+++ b/ld/scripttempl/elf.sc -@@ -225,8 +225,8 @@ - if test "${ENABLE_INITFINI_ARRAY}" = "yes"; then - SORT_INIT_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))" - SORT_FINI_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))" -- CTORS_IN_INIT_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors" -- DTORS_IN_FINI_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors" -+ CTORS_IN_INIT_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtbeginTS.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors" -+ DTORS_IN_FINI_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtbeginTS.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors" - else - SORT_INIT_ARRAY="KEEP (*(SORT(.init_array.*)))" - SORT_FINI_ARRAY="KEEP (*(SORT(.fini_array.*)))" -@@ -264,6 +264,7 @@ - - KEEP (*crtbegin.o(.ctors)) - KEEP (*crtbegin?.o(.ctors)) -+ KEEP (*crtbeginTS.o(.ctors)) - - /* We don't want to include the .ctor section from - the crtend.o file until after the sorted ctors. -@@ -280,6 +281,7 @@ - ${CONSTRUCTING+${DTOR_START}} - KEEP (*crtbegin.o(.dtors)) - KEEP (*crtbegin?.o(.dtors)) -+ KEEP (*crtbeginTS.o(.dtors)) - KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors)) - KEEP (*(SORT(.dtors.*))) - KEEP (*(.dtors)) diff --git a/binutils/patches/binutils-2.24-DW_FORM_ref_addr.patch0 b/binutils/patches/binutils-2.24-DW_FORM_ref_addr.patch0 deleted file mode 100644 index 92ef150..0000000 --- a/binutils/patches/binutils-2.24-DW_FORM_ref_addr.patch0 +++ /dev/null @@ -1,44 +0,0 @@ -*** ../binutils-2.24.orig/bfd/dwarf2.c 2014-01-28 11:58:02.072737296 +0000 ---- bfd/dwarf2.c 2014-01-28 11:59:38.575739971 +0000 -*************** find_abstract_instance_name (struct comp -*** 2126,2131 **** ---- 2126,2153 ---- - abort (); - - info_ptr = unit->sec_info_ptr + die_ref; -+ -+ /* Now find the CU containing this pointer. */ -+ if (info_ptr >= unit->info_ptr_unit && info_ptr < unit->end_ptr) -+ ; -+ else -+ { -+ /* Check other CUs to see if they contain the abbrev. */ -+ struct comp_unit * u; -+ -+ for (u = unit->prev_unit; u != NULL; u = u->prev_unit) -+ if (info_ptr >= u->info_ptr_unit && info_ptr < u->end_ptr) -+ break; -+ -+ if (u == NULL) -+ for (u = unit->next_unit; u != NULL; u = u->next_unit) -+ if (info_ptr >= u->info_ptr_unit && info_ptr < u->end_ptr) -+ break; -+ -+ if (u) -+ unit = u; -+ /* else FIXME: What do we do now ? */ -+ } - } - else if (attr_ptr->form == DW_FORM_GNU_ref_alt) - { -*************** find_abstract_instance_name (struct comp -*** 2137,2142 **** ---- 2159,2166 ---- - bfd_set_error (bfd_error_bad_value); - return name; - } -+ /* FIXME: Do we need to locate the correct CU, in a similar -+ fashion to the code in the DW_FORM_ref_addr case above ? */ - } - else - info_ptr = unit->info_ptr_unit + die_ref; diff --git a/binutils/patches/binutils-2.24-aarch64-fix-final_link_relocate.patch b/binutils/patches/binutils-2.24-aarch64-fix-final_link_relocate.patch deleted file mode 100644 index 8c2d37b..0000000 --- a/binutils/patches/binutils-2.24-aarch64-fix-final_link_relocate.patch +++ /dev/null @@ -1,54 +0,0 @@ -commit f44a1f8e513b37bcc52ba9ea0c172c3e94852756 -Author: Christophe Lyon christophe.lyon@st.com -Date: Tue Jan 14 15:53:50 2014 +0100 - - 2014-01-14 Michael Hudson-Doyle michael.hudson@linaro.org - Kugan Vivekanandarajah kugan.vivekanandarajah@linaro.org - - bfd/ - * elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Use correct - offset while calculating relocation address. - (elfNN_aarch64_create_small_pltn_entry): Likewise. - (elfNN_aarch64_init_small_plt0_entry): Likewise. - ---- a/bfd/elfnn-aarch64.c -+++ b/bfd/elfnn-aarch64.c -@@ -3844,7 +3844,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto, - - value = (symbol_got_offset (input_bfd, h, r_symndx) - + globals->root.sgot->output_section->vma -- + globals->root.sgot->output_section->output_offset); -+ + globals->root.sgot->output_offset); - - value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value, - 0, weak_undef_p); -@@ -3873,10 +3873,9 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto, - case BFD_RELOC_AARCH64_TLSDESC_LDR: - if (globals->root.sgot == NULL) - return bfd_reloc_notsupported; -- - value = (symbol_tlsdesc_got_offset (input_bfd, h, r_symndx) - + globals->root.sgotplt->output_section->vma -- + globals->root.sgotplt->output_section->output_offset -+ + globals->root.sgotplt->output_offset - + globals->sgotplt_jump_table_size); - - value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value, -@@ -6627,7 +6626,7 @@ elfNN_aarch64_create_small_pltn_entry (struct elf_link_hash_entry *h, - - plt_entry = plt->contents + h->plt.offset; - plt_entry_address = plt->output_section->vma -- + plt->output_section->output_offset + h->plt.offset; -+ + plt->output_offset + h->plt.offset; - gotplt_entry_address = gotplt->output_section->vma + - gotplt->output_offset + got_offset; - -@@ -6934,7 +6933,7 @@ elfNN_aarch64_init_small_plt0_entry (bfd *output_bfd ATTRIBUTE_UNUSED, - + GOT_ENTRY_SIZE * 2); - - plt_base = htab->root.splt->output_section->vma + -- htab->root.splt->output_section->output_offset; -+ htab->root.splt->output_offset; - - /* Fill in the top 21 bits for this: ADRP x16, PLT_GOT + n * 8. - ADRP: ((PG(S+A)-PG(P)) >> 12) & 0x1fffff */ diff --git a/binutils/patches/binutils-2.24-aarch64-fix-gotplt-offset-ifunc.patch b/binutils/patches/binutils-2.24-aarch64-fix-gotplt-offset-ifunc.patch deleted file mode 100644 index 64a1d9c..0000000 --- a/binutils/patches/binutils-2.24-aarch64-fix-gotplt-offset-ifunc.patch +++ /dev/null @@ -1,103 +0,0 @@ -commit 67428c4aa56d4183d0f531e0d752040745a94423 -Author: Will Newton will.newton@linaro.org -Date: Mon Nov 25 11:07:07 2013 +0000 - - bfd/elfnn-aarch64.c: Fix miscalculation of GOTPLT offset for ifunc syms. - - The .got.plt header size was not being correctly taken into account - when calculating the offset for relocations against ifunc symbols. - - bfd/ChangeLog: - - 2013-11-26 Will Newton will.newton@linaro.org - - * elfnn-aarch64.c (elfNN_aarch64_final_link_relocate): Ensure - PLT_INDEX is calculated using correct header size. - - ld/testsuite/ChangeLog: - - 2013-11-26 Will Newton will.newton@linaro.org - - * ld-aarch64/aarch64-elf.exp: Add ifunc-21 test. - * ld-aarch64/ifunc-21.d: New file. - * ld-aarch64/ifunc-21.s: Likewise. - -diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c -index 6bc414e..3cd3a18 100644 ---- a/bfd/elfnn-aarch64.c -+++ b/bfd/elfnn-aarch64.c -@@ -3589,7 +3589,8 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto, - - if (globals->root.splt != NULL) - { -- plt_index = h->plt.offset / globals->plt_entry_size - 1; -+ plt_index = ((h->plt.offset - globals->plt_header_size) / -+ globals->plt_entry_size); - off = (plt_index + 3) * GOT_ENTRY_SIZE; - base_got = globals->root.sgotplt; - } -diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp -index 5c150dd..a6b3ea2 100644 ---- a/ld/testsuite/ld-aarch64/aarch64-elf.exp -+++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp -@@ -155,3 +155,4 @@ run_dump_test "ifunc-18b" - run_dump_test "ifunc-19a" - run_dump_test "ifunc-19b" - run_dump_test "ifunc-20" -+run_dump_test "ifunc-21" -diff --git a/ld/testsuite/ld-aarch64/ifunc-21.d b/ld/testsuite/ld-aarch64/ifunc-21.d -new file mode 100644 -index 0000000..fa139b2 ---- /dev/null -+++ b/ld/testsuite/ld-aarch64/ifunc-21.d -@@ -0,0 +1,31 @@ -+#source: ifunc-21.s -+#ld: -shared -z nocombreloc -+#objdump: -d -s -j .got.plt -j .text -+#target: aarch64*-*-* -+ -+# Ensure the .got.plt slot used is correct -+ -+.*: file format elf64-(little|big)aarch64 -+ -+Contents of section .text: -+ 02a0 .* -+Contents of section .got.plt: -+ 103a8 0+ 0+ 0+ 0+ .* -+ 103b8 0+ 0+ [0-9a-f]+ 0+ .* -+ -+Disassembly of section .text: -+ -+0+2a0 <ifunc>: -+ 2a0: d65f03c0 ret -+ -+0+2a4 <bar>: -+ 2a4: 90000080 adrp x0, 10000 <.*> -+ 2a8: f941e000 ldr x0, [x0,#960] -+ 2ac: d65f03c0 ret -+ -+Disassembly of section .got.plt: -+ -+.*: -+.* -+.* -+.* -diff --git a/ld/testsuite/ld-aarch64/ifunc-21.s b/ld/testsuite/ld-aarch64/ifunc-21.s -new file mode 100644 -index 0000000..a1563dc ---- /dev/null -+++ b/ld/testsuite/ld-aarch64/ifunc-21.s -@@ -0,0 +1,13 @@ -+ .text -+ .type ifunc, @gnu_indirect_function -+ .hidden ifunc -+ifunc: -+ ret -+ .size ifunc, .-ifunc -+ .type bar, @function -+ .globl bar -+bar: -+ adrp x0, :got:ifunc -+ ldr x0, [x0, #:got_lo12:ifunc] -+ ret -+ .size bar, .-bar diff --git a/binutils/patches/binutils-2.24-aarch64-fix-ie-relax.patch b/binutils/patches/binutils-2.24-aarch64-fix-ie-relax.patch deleted file mode 100644 index d9157ea..0000000 --- a/binutils/patches/binutils-2.24-aarch64-fix-ie-relax.patch +++ /dev/null @@ -1,40 +0,0 @@ -commit 44f814ce5066f10a3bed29c45d10e0d38f4fa433 -Author: Marcus Shawcroft marcus.shawcroft@arm.com -Date: Tue Apr 15 17:46:07 2014 +0100 - - [AArch64] Fix off by one error in instruction relaxation mask. - - The AArch64 TLSDESC to IE relaxation code uses a bit mask intended to - ensure that destination register in a relaxed ldr instruction is - always X0. The mask has an off by one error resulting in the most - significant bit of the destination register being retained in the - relaxed instruction. The issue generally appears when the compiler - emits TLS accesses code under high register pressure resulting in a - broken code sequence. - -diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c -index 42c83fb..8503419 100644 ---- a/bfd/elfnn-aarch64.c -+++ b/bfd/elfnn-aarch64.c -@@ -3957,7 +3957,7 @@ elfNN_aarch64_tls_relax (struct elf_aarch64_link_hash_table *globals, - ldr xd, [x0, #:tlsdesc_lo12:var] => ldr x0, [x0, #:gottprel_lo12:var] - */ - insn = bfd_getl32 (contents + rel->r_offset); -- insn &= 0xfffffff0; -+ insn &= 0xffffffe0; - bfd_putl32 (insn, contents + rel->r_offset); - return bfd_reloc_continue; - } -diff --git a/ld/testsuite/ld-aarch64/tls-relax-gdesc-ie.s b/ld/testsuite/ld-aarch64/tls-relax-gdesc-ie.s -index c20690c..38b3721 100644 ---- a/ld/testsuite/ld-aarch64/tls-relax-gdesc-ie.s -+++ b/ld/testsuite/ld-aarch64/tls-relax-gdesc-ie.s -@@ -4,7 +4,7 @@ var: - .word 2 - .text - adrp x0, :tlsdesc:var -- ldr x1, [x0, #:tlsdesc_lo12:var] -+ ldr x17, [x0, #:tlsdesc_lo12:var] - add x0, x0, :tlsdesc_lo12:var - .tlsdesccall var - blr x1 diff --git a/binutils/patches/binutils-2.24-aarch64-fix-static-ifunc.patch b/binutils/patches/binutils-2.24-aarch64-fix-static-ifunc.patch deleted file mode 100644 index 296f162..0000000 --- a/binutils/patches/binutils-2.24-aarch64-fix-static-ifunc.patch +++ /dev/null @@ -1,118 +0,0 @@ -commit 14d96265dd8fd934d868c0b8e1991e2fefbe9fc8 -Author: Will Newton will.newton@linaro.org -Date: Mon Nov 25 14:44:59 2013 +0000 - - bfd/elfnn-aarch64.c: Handle static links with ifunc correctly. - - The code for handling GOT references to ifunc symbols in static links - was missing. - - bfd/ChangeLog: - - 2013-11-26 Will Newton will.newton@linaro.org - - * elfnn-aarch64.c (elfNN_aarch64_finish_dynamic_symbol): - Handle STT_GNU_IFUNC symbols correctly in static links. - - ld/testsuite/ChangeLog: - - 2013-11-26 Will Newton will.newton@linaro.org - - * ld-aarch64/aarch64-elf.exp: Add ifunc-22. - * ld-aarch64/ifunc-22.d: New file. - * ld-aarch64/ifunc-22.s: Likewise. - -diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c -index 3cd3a18..9053635 100644 ---- a/bfd/elfnn-aarch64.c -+++ b/bfd/elfnn-aarch64.c -@@ -6824,7 +6824,34 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd, - + htab->root.sgot->output_offset - + (h->got.offset & ~(bfd_vma) 1)); - -- if (info->shared && SYMBOL_REFERENCES_LOCAL (info, h)) -+ if (h->def_regular -+ && h->type == STT_GNU_IFUNC) -+ { -+ if (info->shared) -+ { -+ /* Generate R_AARCH64_GLOB_DAT. */ -+ goto do_glob_dat; -+ } -+ else -+ { -+ asection *plt; -+ -+ if (!h->pointer_equality_needed) -+ abort (); -+ -+ /* For non-shared object, we can't use .got.plt, which -+ contains the real function address if we need pointer -+ equality. We load the GOT entry with the PLT entry. */ -+ plt = htab->root.splt ? htab->root.splt : htab->root.iplt; -+ bfd_put_NN (output_bfd, (plt->output_section->vma -+ + plt->output_offset -+ + h->plt.offset), -+ htab->root.sgot->contents -+ + (h->got.offset & ~(bfd_vma) 1)); -+ return TRUE; -+ } -+ } -+ else if (info->shared && SYMBOL_REFERENCES_LOCAL (info, h)) - { - if (!h->def_regular) - return FALSE; -@@ -6837,6 +6864,7 @@ elfNN_aarch64_finish_dynamic_symbol (bfd *output_bfd, - } - else - { -+do_glob_dat: - BFD_ASSERT ((h->got.offset & 1) == 0); - bfd_put_NN (output_bfd, (bfd_vma) 0, - htab->root.sgot->contents + h->got.offset); -diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp -index a6b3ea2..692bf34 100644 ---- a/ld/testsuite/ld-aarch64/aarch64-elf.exp -+++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp -@@ -156,3 +156,4 @@ run_dump_test "ifunc-19a" - run_dump_test "ifunc-19b" - run_dump_test "ifunc-20" - run_dump_test "ifunc-21" -+run_dump_test "ifunc-22" -diff --git a/ld/testsuite/ld-aarch64/ifunc-22.d b/ld/testsuite/ld-aarch64/ifunc-22.d -new file mode 100644 -index 0000000..f28b039 ---- /dev/null -+++ b/ld/testsuite/ld-aarch64/ifunc-22.d -@@ -0,0 +1,11 @@ -+#source: ifunc-22.s -+#objdump: -s -j .got -+#ld: -static -+#target: aarch64*-*-* -+ -+# Ensure GOT is populated correctly in static link -+ -+.*: file format elf64-(little|big)aarch64 -+ -+Contents of section .got: -+ 4100f0 00000000 00000000 d0004000 00000000 ..........@..... -diff --git a/ld/testsuite/ld-aarch64/ifunc-22.s b/ld/testsuite/ld-aarch64/ifunc-22.s -new file mode 100644 -index 0000000..69a87bb ---- /dev/null -+++ b/ld/testsuite/ld-aarch64/ifunc-22.s -@@ -0,0 +1,14 @@ -+ .text -+ .type ifunc, @gnu_indirect_function -+ .global ifunc -+ifunc: -+ ret -+ .size ifunc, .-ifunc -+ .type _start, @function -+ .globl _start -+_start: -+ adrp x0, :got:ifunc -+ ldr x0, [x0, #:got_lo12:ifunc] -+ .size _start, .-_start -+ .data -+ .xword ifunc diff --git a/binutils/patches/binutils-2.24-aarch64-ld-shared-non-PIC-xfail.patch b/binutils/patches/binutils-2.24-aarch64-ld-shared-non-PIC-xfail.patch deleted file mode 100644 index 8525596..0000000 --- a/binutils/patches/binutils-2.24-aarch64-ld-shared-non-PIC-xfail.patch +++ /dev/null @@ -1,55 +0,0 @@ -commit 273dc279306c2b69fbc1407cc695397e4b015152 -Author: Will Newton will.newton@linaro.org -Date: Fri May 16 15:22:58 2014 +0100 - - ld/aarch64: xfail non-PIC shared object tests on aarch64 - - aarch64 does not support building non-PIC shared objects, so mark - tests for these as xfail. - - ld/testsuite/ChangeLog: - - 2014-05-20 Will Newton will.newton@linaro.org - - * ld-shared/shared.exp: Mark non-PIC shared object tests - as xfail on aarch64. - -#-- a/ld/testsuite/ChangeLog -#++ b/ld/testsuite/ChangeLog -#@ -1,3 +1,8 @@ -+2014-05-20 Will Newton will.newton@linaro.org -+ -+ * ld-shared/shared.exp: Mark non-PIC shared object tests -+ as xfail on aarch64. -+ - 2014-05-19 Andreas Tobler andreast@fgznet.ch - - * ld-elf/shared.exp: Introduce the extralibs variable to control -diff --git a/ld/testsuite/ld-shared/shared.exp b/ld/testsuite/ld-shared/shared.exp -index 9996ece..c723ef7 100644 ---- a/ld/testsuite/ld-shared/shared.exp -+++ b/ld/testsuite/ld-shared/shared.exp -@@ -244,6 +244,7 @@ if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] - if [ string match $shared_needs_pic "yes" ] { - setup_xfail "arm*-*-linux*" - } -+ setup_xfail "aarch64*-*-linux*" - shared_test shnp "shared (non PIC)" mainnp.o sh1np.o sh2np.o shared - - # Test ELF shared library relocations with a non-zero load -@@ -270,6 +271,7 @@ if ![ld_compile "$CC $CFLAGS $SHCFLAG" $srcdir/$subdir/main.c $tmpdir/mainnp.o] - if [ string match $shared_needs_pic "yes" ] { - setup_xfail "arm*-*-linux*" - } -+ setup_xfail "aarch64*-*-linux*" - shared_test shnp "shared (non PIC, load offset)" \ - mainnp.o sh1np.o sh2np.o shared \ - "-T $srcdir/$subdir/elf-offset.ld" -@@ -326,6 +328,7 @@ if ![ld_compile "$CC $CFLAGS $SHCFLAG $picflag" $srcdir/$subdir/main.c $tmpdir/m - if [ string match $shared_needs_pic "yes" ] { - setup_xfail "arm*-*-linux*" - } -+ setup_xfail "aarch64*-*-linux*" - shared_test shmpnp "shared (PIC main, non PIC so)" mainp.o sh1np.o sh2np.o shared - } - } else { diff --git a/binutils/patches/binutils-2.24-arm-static-tls.patch b/binutils/patches/binutils-2.24-arm-static-tls.patch deleted file mode 100644 index 2b580f1..0000000 --- a/binutils/patches/binutils-2.24-arm-static-tls.patch +++ /dev/null @@ -1,42 +0,0 @@ -commit eea6dad2b3ae91189caa91145dd133bae0398d21 -Author: Kyle McMartin kyle@redhat.com -Date: Fri Jun 20 11:14:09 2014 +0100 - - Similarly to the AArch64 patch, set DF_STATIC_TLS for consistency with - other architectures when we emit IE relocs in a shared library. - - * elf32-arm.c (elf32_arm_check_relocs): Set DF_STATIC_TLS when - emitting initial-exec relocs when not linking an executable. - ---- a/bfd/elf32-arm.c -+++ b/bfd/elf32-arm.c -@@ -12711,6 +12711,9 @@ elf32_arm_check_relocs (bfd *abfd, struct bfd_link_info *info, - default: tls_type = GOT_NORMAL; break; - } - -+ if (!info->executable && (tls_type & GOT_TLS_IE)) -+ info->flags |= DF_STATIC_TLS; -+ - if (h != NULL) - { - h->got.refcount++; ---- a/ld/testsuite/ld-arm/tls-gdierelax2.d -+++ b/ld/testsuite/ld-arm/tls-gdierelax2.d -@@ -11,13 +11,13 @@ Disassembly of section .text: - [0-9a-f]+: e59f0004 ldr r0, [pc, #4] ; .* - [0-9a-f]+: e79f0000 ldr r0, [pc, r0] - [0-9a-f]+: e1a00000 nop ; .* -- [0-9a-f]+: 00008098 .word 0x00008098 -- [0-9a-f]+: 0000809c .word 0x0000809c -+ [0-9a-f]+: 000080a0 .word 0x000080a0 -+ [0-9a-f]+: 000080a4 .word 0x000080a4 - - [0-9a-f]+ <bar>: - [0-9a-f]+: 4801 ldr r0, [pc, #4] ; .* - [0-9a-f]+: 4478 add r0, pc - [0-9a-f]+: 6800 ldr r0, [r0, #0] - [0-9a-f]+: 46c0 nop ; .* -- [0-9a-f]+: 0000808a .word 0x0000808a -- [0-9a-f]+: 0000808c .word 0x0000808c -+ [0-9a-f]+: 00008092 .word 0x00008092 -+ [0-9a-f]+: 00008094 .word 0x00008094 diff --git a/binutils/patches/binutils-2.24-elfnn-aarch64.patch0 b/binutils/patches/binutils-2.24-elfnn-aarch64.patch0 deleted file mode 100644 index 469387b..0000000 --- a/binutils/patches/binutils-2.24-elfnn-aarch64.patch0 +++ /dev/null @@ -1,21 +0,0 @@ -*** ../binutils-2.24.orig/bfd/elfnn-aarch64.c 2013-12-17 11:16:28.723807381 +0000 ---- bfd/elfnn-aarch64.c 2013-12-17 11:18:13.517804067 +0000 -*************** _aarch64_elf_section_data; -*** 1679,1686 **** - #define elf_aarch64_section_data(sec) \ - ((_aarch64_elf_section_data *) elf_section_data (sec)) - -! /* The size of the thread control block. */ -! #define TCB_SIZE 16 - - struct elf_aarch64_local_symbol - { ---- 1679,1686 ---- - #define elf_aarch64_section_data(sec) \ - ((_aarch64_elf_section_data *) elf_section_data (sec)) - -! /* The size of the thread control block which is defined to be two pointers. */ -! #define TCB_SIZE (ARCH_SIZE/8)*2 - - struct elf_aarch64_local_symbol - { diff --git a/binutils/patches/binutils-2.24-fake-zlib-sections.patch0 b/binutils/patches/binutils-2.24-fake-zlib-sections.patch0 deleted file mode 100644 index e02dd51..0000000 --- a/binutils/patches/binutils-2.24-fake-zlib-sections.patch0 +++ /dev/null @@ -1,30 +0,0 @@ -*** ../binutils-2.24.orig/bfd/compress.c 2014-04-28 16:35:20.429816317 +0100 ---- bfd/compress.c 2014-04-28 16:36:06.450963028 +0100 -*************** -*** 25,30 **** ---- 25,31 ---- - #ifdef HAVE_ZLIB_H - #include <zlib.h> - #endif -+ #include "safe-ctype.h" - - #ifdef HAVE_ZLIB_H - static bfd_boolean -*************** bfd_is_section_compressed (bfd *abfd, se -*** 304,309 **** ---- 305,319 ---- - compressed = (bfd_get_section_contents (abfd, sec, compressed_buffer, 0, 12) - && CONST_STRNEQ ((char*) compressed_buffer, "ZLIB")); - -+ /* Check for the pathalogical case of a debug string section that -+ contains the string ZLIB.... as the first entry. We assume that -+ no uncompressed .debug_str section would ever be big enough to -+ have the first byte of its (big-endian) size be non-zero. */ -+ if (compressed -+ && strcmp (sec->name, ".debug_str") == 0 -+ && ISPRINT (compressed_buffer[4])) -+ compressed = FALSE; -+ - /* Restore compress_status. */ - sec->compress_status = saved; - return compressed; diff --git a/binutils/patches/binutils-2.24-fat-lto-objects.patch b/binutils/patches/binutils-2.24-fat-lto-objects.patch deleted file mode 100644 index fe9c334..0000000 --- a/binutils/patches/binutils-2.24-fat-lto-objects.patch +++ /dev/null @@ -1,57 +0,0 @@ -commit b35d44f1af711925bfa4344ef00470fee67122f1 -Author: Kyrylo Tkachov kyrylo.tkachov@arm.com -Date: Wed Nov 27 13:43:39 2013 +0000 - - [ld/testsuite/] - 2013-11-27 Kyrylo Tkachov kyrylo.tkachov@arm.com - - * ld-plugin/lto.exp: Add -ffat-lto-objects. - * lib/ld-lib.exp (check_lto_available): Likewise. - ---- a/ld/testsuite/ld-plugin/lto.exp -+++ b/ld/testsuite/ld-plugin/lto.exp -@@ -57,7 +57,7 @@ set lto_link_tests { - "" "-O2" - {lto-3c.c} {} "libdummy.a"} - {"Build liblto-3.a" -- "" "-flto" -+ "" "-flto -ffat-lto-objects" - {lto-3b.c} {} "liblto-3.a"} - {"Build libdummy.a 5a" - "" "-flto" -@@ -111,7 +111,7 @@ set lto_link_tests { - "" "" - {pr12758a.s} {} "libdummy.a"} - {"Build libpr12758.a" -- "" "-flto -O2" -+ "" "-flto -O2 -ffat-lto-objects" - {pr12758b.c} {} "libpr12758.a"} - {"PR ld/12758" - "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" "" -@@ -120,13 +120,13 @@ set lto_link_tests { - "" "" - {pr12760a.c} {} "libdummy.a"} - {"Build libpr12760.a" -- "" "-flto -O2" -+ "" "-flto -O2 -ffat-lto-objects" - {pr12760b.c} {} "libpr12760.a"} - {"PR ld/12760" - "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" "" - {dummy.c} {} "pr12760.exe" "c" "warning: Bad bar"} - {"Build libpr13183.a" -- "-T" "-flto -O2" -+ "-T" "-flto -O2 -ffat-lto-objects" - {pr13183a.c} {} "libpr13183.a"} - {"Build libdummy.a PR ld/13183" - "" "-flto -O2" ---- a/ld/testsuite/lib/ld-lib.exp -+++ b/ld/testsuite/lib/ld-lib.exp -@@ -1643,7 +1643,7 @@ proc check_lto_available { } { - set f [open $src "w"] - puts $f "" - close $f -- set status [remote_exec host $CC "-shared -B[pwd]/tmpdir/ld/ -flto -fuse-linker-plugin $src -o $output"] -+ set status [remote_exec host $CC "-shared -B[pwd]/tmpdir/ld/ -flto -ffat-lto-objects -fuse-linker-plugin $src -o $output"] - if { [lindex $status 0] == 0 } { - set lto_available_saved 1 - } else { diff --git a/binutils/patches/binutils-2.24-indirect-chain.patch0 b/binutils/patches/binutils-2.24-indirect-chain.patch0 deleted file mode 100644 index b255424..0000000 --- a/binutils/patches/binutils-2.24-indirect-chain.patch0 +++ /dev/null @@ -1,28 +0,0 @@ -*** ../binutils-2.24.orig/bfd/elflink.c 2014-08-21 09:17:27.753408085 +0100 ---- bfd/elflink.c 2014-08-21 10:04:52.174935912 +0100 -*************** _bfd_elf_add_default_symbol (bfd *abfd, -*** 1705,1710 **** ---- 1705,1716 ---- - ht = (struct elf_link_hash_entry *) hi->root.u.i.link; - (*bed->elf_backend_copy_indirect_symbol) (info, ht, hi); - -+ /* A reference to the SHORTNAME symbol from a dynamic library -+ will be satisfied by the versioned symbol at runtime. In -+ effect, we have a reference to the versioned symbol. */ -+ ht->ref_dynamic_nonweak |= hi->ref_dynamic_nonweak; -+ hi->dynamic_def |= ht->dynamic_def; -+ - /* See if the new flags lead us to realize that the symbol must - be dynamic. */ - if (! *dynsym) -*************** nondefault: -*** 1774,1779 **** ---- 1780,1787 ---- - if (hi->root.type == bfd_link_hash_indirect) - { - (*bed->elf_backend_copy_indirect_symbol) (info, h, hi); -+ h->ref_dynamic_nonweak |= hi->ref_dynamic_nonweak; -+ hi->dynamic_def |= h->dynamic_def; - - /* See if the new flags lead us to realize that the symbol - must be dynamic. */ diff --git a/binutils/patches/binutils-2.24-ldforcele.patch0 b/binutils/patches/binutils-2.24-ldforcele.patch0 deleted file mode 100644 index 6a46c78..0000000 --- a/binutils/patches/binutils-2.24-ldforcele.patch0 +++ /dev/null @@ -1,58 +0,0 @@ -Common subdirectories: ../binutils-2.24.orig/ld/emulparams and ld/emulparams -Common subdirectories: ../binutils-2.24.orig/ld/emultempl and ld/emultempl -diff -cp ../binutils-2.24.orig/ld/ldlang.c ld/ldlang.c -*** ../binutils-2.24.orig/ld/ldlang.c 2014-05-09 10:35:04.589504928 +0100 ---- ld/ldlang.c 2014-05-09 10:35:55.515661478 +0100 -*************** lang_add_output_format (const char *form -*** 7096,7101 **** ---- 7096,7113 ---- - && little != NULL) - format = little; - -+ if (getenv ("LD_FORCE_LE") != NULL) -+ { -+ if (strcmp (format, "elf64-powerpc") == 0) -+ format = "elf64-powerpcle"; -+ else if (strcmp (format, "elf32-powerpc") == 0) -+ format = "elf32-powerpcle"; -+ else if (strcmp (format, "elf64-big") == 0) -+ format = "elf64-little"; -+ else if (strcmp (format, "elf32-big") == 0) -+ format = "elf32-little"; -+ } -+ - output_target = format; - } - } -Only in ld: ldlang.c.orig -diff -cp ../binutils-2.24.orig/ld/ldmain.c ld/ldmain.c -*** ../binutils-2.24.orig/ld/ldmain.c 2014-05-09 10:35:04.593504941 +0100 ---- ld/ldmain.c 2014-05-09 10:35:55.515661478 +0100 -*************** get_emulation (int argc, char **argv) -*** 603,608 **** ---- 603,620 ---- - } - } - -+ if ((strncmp (emulation, "elf64ppc", 8) == 0 -+ || strncmp (emulation, "elf32ppc", 8) == 0) -+ && getenv ("LD_FORCE_LE") != NULL) -+ { -+ size_t len = strlen (emulation); -+ char *le = xmalloc (len + 2); -+ memcpy (le, emulation, 5); -+ le[5] = 'l'; -+ memcpy (le + 6, emulation + 5, len - 4); -+ emulation = le; -+ } -+ - return emulation; - } - -Only in ld: ldmain.c.orig -Common subdirectories: ../binutils-2.24.orig/ld/ldscripts and ld/ldscripts -Common subdirectories: ../binutils-2.24.orig/ld/.libs and ld/.libs -Common subdirectories: ../binutils-2.24.orig/ld/po and ld/po -Common subdirectories: ../binutils-2.24.orig/ld/scripttempl and ld/scripttempl -Common subdirectories: ../binutils-2.24.orig/ld/testsuite and ld/testsuite -Common subdirectories: ../binutils-2.24.orig/ld/tmpdir and ld/tmpdir diff --git a/binutils/patches/binutils-2.24-pt-pax-flags-20131231.patch b/binutils/patches/binutils-2.24-pt-pax-flags-20131231.patch deleted file mode 100644 index cfb2035..0000000 --- a/binutils/patches/binutils-2.24-pt-pax-flags-20131231.patch +++ /dev/null @@ -1,1030 +0,0 @@ ---- binutils-2.24/bfd/elf-bfd.h -+++ binutils-2.24/bfd/elf-bfd.h -@@ -1577,6 +1577,9 @@ struct elf_obj_tdata - /* Segment flags for the PT_GNU_STACK segment. */ - unsigned int stack_flags; - -+ /* Segment flags for the PT_PAX_FLAGS segment. */ -+ unsigned int pax_flags; -+ - /* This is set to TRUE if the object was created by the backend - linker. */ - bfd_boolean linker; -@@ -1707,6 +1707,7 @@ - #define elf_eh_frame_hdr(bfd) (elf_tdata(bfd) -> o->eh_frame_hdr) - #define elf_linker(bfd) (elf_tdata(bfd) -> o->linker) - #define elf_stack_flags(bfd) (elf_tdata(bfd) -> o->stack_flags) -+#define elf_pax_flags(bfd) (elf_tdata(bfd) -> o->pax_flags) - #define elf_shstrtab(bfd) (elf_tdata(bfd) -> o->strtab_ptr) - #define elf_onesymtab(bfd) (elf_tdata(bfd) -> symtab_section) - #define elf_symtab_shndx(bfd) (elf_tdata(bfd) -> symtab_shndx_section) ---- binutils-2.24/bfd/elf.c -+++ binutils-2.24/bfd/elf.c -@@ -1158,6 +1158,7 @@ get_segment_type (unsigned int p_type) - case PT_GNU_EH_FRAME: pt = "EH_FRAME"; break; - case PT_GNU_STACK: pt = "STACK"; break; - case PT_GNU_RELRO: pt = "RELRO"; break; -+ case PT_PAX_FLAGS: pt = "PAX_FLAGS"; break; - default: pt = NULL; break; - } - return pt; -@@ -2477,6 +2478,9 @@ bfd_section_from_phdr (bfd *abfd, Elf_Internal_Phdr *hdr, int hdr_index) - case PT_GNU_RELRO: - return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "relro"); - -+ case PT_PAX_FLAGS: -+ return _bfd_elf_make_section_from_phdr (abfd, hdr, hdr_index, "pax_flags"); -+ - default: - /* Check for any processor-specific program segment types. */ - bed = get_elf_backend_data (abfd); -@@ -3551,6 +3555,11 @@ get_program_header_size (bfd *abfd, struct bfd_link_info *info) - ++segs; - } - -+ { -+ /* We need a PT_PAX_FLAGS segment. */ -+ ++segs; -+ } -+ - for (s = abfd->sections; s != NULL; s = s->next) - { - if ((s->flags & SEC_LOAD) != 0 -@@ -4153,6 +4162,20 @@ _bfd_elf_map_sections_to_segments (bfd *abfd, struct bfd_link_info *info) - } - } - -+ { -+ amt = sizeof (struct elf_segment_map); -+ m = bfd_zalloc (abfd, amt); -+ if (m == NULL) -+ goto error_return; -+ m->next = NULL; -+ m->p_type = PT_PAX_FLAGS; -+ m->p_flags = elf_pax_flags (abfd); -+ m->p_flags_valid = 1; -+ -+ *pm = m; -+ pm = &m->next; -+ } -+ - free (sections); - elf_tdata (abfd)->segment_map = mfirst; - } -@@ -5417,7 +5440,8 @@ rewrite_elf_program_header (bfd *ibfd, bfd *obfd) - 6. PT_TLS segment includes only SHF_TLS sections. - 7. SHF_TLS sections are only in PT_TLS or PT_LOAD segments. - 8. PT_DYNAMIC should not contain empty sections at the beginning -- (with the possible exception of .dynamic). */ -+ (with the possible exception of .dynamic). -+ 9. PT_PAX_FLAGS segments do not include any sections. */ - #define IS_SECTION_IN_INPUT_SEGMENT(section, segment, bed) \ - ((((segment->p_paddr \ - ? IS_CONTAINED_BY_LMA (section, segment, segment->p_paddr) \ -@@ -5425,6 +5449,7 @@ rewrite_elf_program_header (bfd *ibfd, bfd *obfd) - && (section->flags & SEC_ALLOC) != 0) \ - || IS_NOTE (segment, section)) \ - && segment->p_type != PT_GNU_STACK \ -+ && segment->p_type != PT_PAX_FLAGS \ - && (segment->p_type != PT_TLS \ - || (section->flags & SEC_THREAD_LOCAL)) \ - && (segment->p_type == PT_LOAD \ ---- binutils-2.24/bfd/elflink.c -+++ binutils-2.24/bfd/elflink.c -@@ -5545,17 +5545,30 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd, - && ! (*bed->elf_backend_always_size_sections) (output_bfd, info)) - return FALSE; - -+ elf_pax_flags (output_bfd) = PF_NORANDEXEC; -+ if (info->execheap) -+ elf_pax_flags (output_bfd) |= PF_NOMPROTECT; -+ else if (info->noexecheap) -+ elf_pax_flags (output_bfd) |= PF_MPROTECT; -+ - /* Determine any GNU_STACK segment requirements, after the backend - has had a chance to set a default segment size. */ - if (info->execstack) -- elf_stack_flags (output_bfd) = PF_R | PF_W | PF_X; -+ { -+ elf_stack_flags (output_bfd) = PF_R | PF_W | PF_X; -+ elf_pax_flags (output_bfd) |= PF_EMUTRAMP; -+ } - else if (info->noexecstack) -- elf_stack_flags (output_bfd) = PF_R | PF_W; -+ { -+ elf_stack_flags (output_bfd) = PF_R | PF_W; -+ elf_pax_flags (output_bfd) |= PF_NOEMUTRAMP; -+ } - else - { - bfd *inputobj; - asection *notesec = NULL; - int exec = 0; - -+ elf_pax_flags (output_bfd) |= PF_NOEMUTRAMP; - for (inputobj = info->input_bfds; - inputobj; - inputobj = inputobj->link_next) -@@ -5567,7 +5581,11 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd, - if (s) - { - if (s->flags & SEC_CODE) -- exec = PF_X; -+ { -+ elf_pax_flags (output_bfd) &= ~PF_NOEMUTRAMP; -+ elf_pax_flags (output_bfd) |= PF_EMUTRAMP; -+ exec = PF_X; -+ } - notesec = s; - } - else if (bed->default_execstack) ---- binutils-2.24/binutils/readelf.c -+++ binutils-2.24/binutils/readelf.c -@@ -2740,6 +2740,7 @@ get_segment_type (unsigned long p_type) - return "GNU_EH_FRAME"; - case PT_GNU_STACK: return "GNU_STACK"; - case PT_GNU_RELRO: return "GNU_RELRO"; -+ case PT_PAX_FLAGS: return "PAX_FLAGS"; - - default: - if ((p_type >= PT_LOPROC) && (p_type <= PT_HIPROC)) ---- binutils-2.24/include/bfdlink.h -+++ binutils-2.24/include/bfdlink.h -@@ -322,6 +322,14 @@ struct bfd_link_info - /* TRUE if PT_GNU_RELRO segment should be created. */ - unsigned int relro: 1; - -+ /* TRUE if PT_PAX_FLAGS segment should be created with PF_NOMPROTECT -+ flags. */ -+ unsigned int execheap: 1; -+ -+ /* TRUE if PT_PAX_FLAGS segment should be created with PF_MPROTECT -+ flags. */ -+ unsigned int noexecheap: 1; -+ - /* TRUE if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment - should be created. */ - unsigned int eh_frame_hdr: 1; ---- binutils-2.24/include/elf/common.h -+++ binutils-2.24/include/elf/common.h -@@ -429,6 +429,7 @@ - #define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME /* Solaris uses the same value */ - #define PT_GNU_STACK (PT_LOOS + 0x474e551) /* Stack flags */ - #define PT_GNU_RELRO (PT_LOOS + 0x474e552) /* Read-only after relocation */ -+#define PT_PAX_FLAGS (PT_LOOS + 0x5041580) /* PaX flags */ - - /* Program segment permissions, in program header p_flags field. */ - -@@ -439,6 +440,21 @@ - #define PF_MASKOS 0x0FF00000 /* New value, Oct 4, 1999 Draft */ - #define PF_MASKPROC 0xF0000000 /* Processor-specific reserved bits */ - -+/* Flags to control PaX behavior. */ -+ -+#define PF_PAGEEXEC (1 << 4) /* Enable PAGEEXEC */ -+#define PF_NOPAGEEXEC (1 << 5) /* Disable PAGEEXEC */ -+#define PF_SEGMEXEC (1 << 6) /* Enable SEGMEXEC */ -+#define PF_NOSEGMEXEC (1 << 7) /* Disable SEGMEXEC */ -+#define PF_MPROTECT (1 << 8) /* Enable MPROTECT */ -+#define PF_NOMPROTECT (1 << 9) /* Disable MPROTECT */ -+#define PF_RANDEXEC (1 << 10) /* Enable RANDEXEC */ -+#define PF_NORANDEXEC (1 << 11) /* Disable RANDEXEC */ -+#define PF_EMUTRAMP (1 << 12) /* Enable EMUTRAMP */ -+#define PF_NOEMUTRAMP (1 << 13) /* Disable EMUTRAMP */ -+#define PF_RANDMMAP (1 << 14) /* Enable RANDMMAP */ -+#define PF_NORANDMMAP (1 << 15) /* Disable RANDMMAP */ -+ - /* Values for section header, sh_type field. */ - - #define SHT_NULL 0 /* Section header table entry unused */ ---- binutils-2.24/ld/emultempl/elf32.em -+++ binutils-2.24/ld/emultempl/elf32.em -@@ -2285,6 +2285,16 @@ fragment <<EOF - link_info.noexecstack = TRUE; - link_info.execstack = FALSE; - } -+ else if (strcmp (optarg, "execheap") == 0) -+ { -+ link_info.execheap = TRUE; -+ link_info.noexecheap = FALSE; -+ } -+ else if (strcmp (optarg, "noexecheap") == 0) -+ { -+ link_info.noexecheap = TRUE; -+ link_info.execheap = FALSE; -+ } - EOF - if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then - fragment <<EOF -@@ -2368,6 +2378,8 @@ fragment <<EOF - -z defs Report unresolved symbols in object files.\n")); - fprintf (file, _("\ - -z execstack Mark executable as requiring executable stack\n")); -+ fprintf (file, _("\ -+ -z execheap Mark executable as requiring executable heap\n")); - EOF - - if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then -@@ -2391,6 +2403,8 @@ fragment <<EOF - fragment <<EOF - fprintf (file, _("\ - -z noexecstack Mark executable as not requiring executable stack\n")); -+ fprintf (file, _("\ -+ -z noexecheap Mark executable as not requiring executable heap\n")); - EOF - if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then - fragment <<EOF ---- binutils-2.24/ld/ldgram.y -+++ binutils-2.24/ld/ldgram.y -@@ -1119,6 +1119,8 @@ phdr_type: - $$ = exp_intop (0x6474e550); - else if (strcmp (s, "PT_GNU_STACK") == 0) - $$ = exp_intop (0x6474e551); -+ else if (strcmp (s, "PT_PAX_FLAGS") == 0) -+ $$ = exp_intop (0x65041580); - else - { - einfo (_("\ ---- binutils-2.24/ld/testsuite/ld-alpha/tlsbin.rd -+++ binutils-2.24/ld/testsuite/ld-alpha/tlsbin.rd -@@ -35,13 +35,14 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - - Program Headers: - Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align -- PHDR +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+150 R E 0x8 -+ PHDR +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+188 R E 0x8 - INTERP +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ R +0x1 - .*Requesting program interpreter.* - LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ R E 0x10000 - LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RWE 0x10000 - DYNAMIC +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RW +0x8 - TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 3 entries: ---- binutils-2.24/ld/testsuite/ld-alpha/tlsbinr.rd -+++ binutils-2.24/ld/testsuite/ld-alpha/tlsbinr.rd -@@ -42,6 +42,7 @@ Program Headers: - +LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RWE 0x10000 - +DYNAMIC +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RW +0x8 - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 2 entries: ---- binutils-2.24/ld/testsuite/ld-alpha/tlspic.rd -+++ binutils-2.24/ld/testsuite/ld-alpha/tlspic.rd -@@ -38,6 +38,7 @@ Program Headers: - +LOAD +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RWE 0x10000 - +DYNAMIC +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ RW +0x8 - +TLS +0x0+10e0 0x0+110e0 0x0+110e0 0x0+60 0x0+80 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 7 entries: ---- binutils-2.24/ld/testsuite/ld-elf/eh1.d -+++ binutils-2.24/ld/testsuite/ld-elf/eh1.d -@@ -22,11 +22,11 @@ Contents of the .eh_frame section: - DW_CFA_nop - DW_CFA_nop - --0+0018 0+001c 0+001c FDE cie=0+0000 pc=0+400078..0+400078 -- DW_CFA_advance_loc: 0 to 0+400078 -+0+0018 0+001c 0+001c FDE cie=0+0000 pc=([0-9a-f]+)..\1 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_offset: 16 - DW_CFA_offset: r6 (rbp) at cfa-16 -- DW_CFA_advance_loc: 0 to 0+400078 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_register: r6 (rbp) - - 0+0038 ZERO terminator ---- binutils-2.24/ld/testsuite/ld-elf/eh2.d -+++ binutils-2.24/ld/testsuite/ld-elf/eh2.d -@@ -22,11 +22,11 @@ Contents of the .eh_frame section: - DW_CFA_nop - DW_CFA_nop - --0+0018 0+001c 0+001c FDE cie=0+0000 pc=0+400078..0+400078 -- DW_CFA_advance_loc: 0 to 0+400078 -+0+0018 0+001c 0+001c FDE cie=0+0000 pc=([0-9a-f]+)..\1 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_offset: 16 - DW_CFA_offset: r6 (rbp) at cfa-16 -- DW_CFA_advance_loc: 0 to 0+400078 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_register: r6 (rbp) - - 0+0038 ZERO terminator ---- binutils-2.24/ld/testsuite/ld-elf/eh3.d -+++ binutils-2.24/ld/testsuite/ld-elf/eh3.d -@@ -22,11 +22,11 @@ Contents of the .eh_frame section: - DW_CFA_nop - DW_CFA_nop - --0+0018 0+001c 0+001c FDE cie=0+0000 pc=0+400078..0+400078 -- DW_CFA_advance_loc: 0 to 0+400078 -+0+0018 0+001c 0+001c FDE cie=0+0000 pc=([0-9a-f]+)..\1 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_offset: 16 - DW_CFA_offset: r6 (rbp) at cfa-16 -- DW_CFA_advance_loc: 0 to 0+400078 -+ DW_CFA_advance_loc: 0 to [0-9a-f]+ - DW_CFA_def_cfa_register: r6 (rbp) - - 0+0038 ZERO terminator ---- binutils-2.24/ld/testsuite/ld-elf/orphan-region.d -+++ binutils-2.24/ld/testsuite/ld-elf/orphan-region.d -@@ -15,7 +15,9 @@ - Program Headers: - Type.* - LOAD[ \t]+0x[0-9a-f]+ 0x0*40000000 0x0*40000000 0x[0-9a-f]+ 0x[0-9a-f]+ RWE 0x[0-9a-f]+ -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - Segment Sections... - 00 .text .rodata .moredata * -+ 01 + ---- binutils-2.24/ld/testsuite/ld-i386/tlsbin.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlsbin.rd -@@ -44,6 +44,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+a0 R +0x1000 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -53,6 +54,7 @@ Program Headers: - +03 +.tdata .dynamic .got .got.plt * - +04 +.dynamic * - +05 +.tdata .tbss * -+ +06 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 9 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-i386/tlsbindesc.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlsbindesc.rd -@@ -42,6 +42,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+a0 R +0x1000 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -51,6 +52,7 @@ Program Headers: - +03 +.tdata .dynamic .got .got.plt * - +04 +.dynamic * - +05 +.tdata .tbss * -+ +06 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 9 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-i386/tlsdesc.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlsdesc.rd -@@ -39,6 +39,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+80 R +0x1 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -46,6 +47,7 @@ Program Headers: - +01 +.tdata .dynamic .got .got.plt * - +02 +.dynamic * - +03 +.tdata .tbss * -+ +04 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 20 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-i386/tlsgdesc.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlsgdesc.rd -@@ -36,12 +36,14 @@ Program Headers: - +LOAD.* - +LOAD.* - +DYNAMIC.* -+ +PAX_FLAGS.* - - Section to Segment mapping: - +Segment Sections... - +00 +.hash .dynsym .dynstr .rel.dyn .rel.plt .plt .text * - +01 +.dynamic .got .got.plt * - +02 +.dynamic * -+ +03 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 8 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-i386/tlsnopic.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlsnopic.rd -@@ -37,6 +37,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+ 0x0+24 R +0x1 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -44,6 +45,7 @@ Program Headers: - +01 +.dynamic .got .got.plt * - +02 +.dynamic * - +03 +.tbss * -+ +04 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 20 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-i386/tlspic.rd -+++ binutils-2.24/ld/testsuite/ld-i386/tlspic.rd -@@ -40,6 +40,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+60 0x0+80 R +0x1 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -47,6 +48,7 @@ Program Headers: - +01 +.tdata .dynamic .got .got.plt * - +02 +.dynamic * - +03 +.tdata .tbss * -+ +04 + - - Relocation section '.rel.dyn' at offset 0x[0-9a-f]+ contains 26 entries: - Offset +Info +Type +Sym.Value +Sym. Name ---- binutils-2.24/ld/testsuite/ld-ia64/merge1.d -+++ binutils-2.24/ld/testsuite/ld-ia64/merge1.d -@@ -4,7 +4,7 @@ - #objdump: -d - - #... --0+1e0 <.text>: -+[a-f0-9]+ <.text>: - [ ]*[a-f0-9]+: 0b 60 80 02 00 24 [MMI] addl r12=32,r1;; - [ ]*[a-f0-9]+: c0 c0 04 00 48 00 addl r12=24,r1 - [ ]*[a-f0-9]+: 00 00 04 00 nop.i 0x0;; ---- binutils-2.24/ld/testsuite/ld-ia64/merge2.d -+++ binutils-2.24/ld/testsuite/ld-ia64/merge2.d -@@ -4,7 +4,7 @@ - #objdump: -d - - #... --0+1e0 <.text>: -+[a-f0-9]+ <.text>: - [ ]*[a-f0-9]+: 0b 60 80 02 00 24 [MMI] addl r12=32,r1;; - [ ]*[a-f0-9]+: c0 c0 04 00 48 00 addl r12=24,r1 - [ ]*[a-f0-9]+: 00 00 04 00 nop.i 0x0;; ---- binutils-2.24/ld/testsuite/ld-ia64/merge3.d -+++ binutils-2.24/ld/testsuite/ld-ia64/merge3.d -@@ -4,7 +4,7 @@ - #objdump: -d - - #... --0+210 <.text>: -+[a-f0-9]+ <.text>: - [ ]*[a-f0-9]+: 0b 60 80 02 00 24 [MMI] addl r12=32,r1;; - [ ]*[a-f0-9]+: c0 40 05 00 48 00 addl r12=40,r1 - [ ]*[a-f0-9]+: 00 00 04 00 nop.i 0x0;; ---- binutils-2.24/ld/testsuite/ld-ia64/merge4.d -+++ binutils-2.24/ld/testsuite/ld-ia64/merge4.d -@@ -4,7 +4,7 @@ - #objdump: -d - - #... --0+240 <.text>: -+[a-f0-9]+ <.text>: - [ ]*[a-f0-9]+: 0b 60 80 02 00 24 [MMI] addl r12=32,r1;; - [ ]*[a-f0-9]+: c0 40 05 00 48 00 addl r12=40,r1 - [ ]*[a-f0-9]+: 00 00 04 00 nop.i 0x0;; ---- binutils-2.24/ld/testsuite/ld-ia64/merge5.d -+++ binutils-2.24/ld/testsuite/ld-ia64/merge5.d -@@ -4,7 +4,7 @@ - #objdump: -d - - #... --0+270 <.text>: -+[a-f0-9]+ <.text>: - [ ]*[a-f0-9]+: 0b 60 80 02 00 24 [MMI] addl r12=32,r1;; - [ ]*[a-f0-9]+: c0 40 05 00 48 00 addl r12=40,r1 - [ ]*[a-f0-9]+: 00 00 04 00 nop.i 0x0;; ---- binutils-2.24/ld/testsuite/ld-ia64/tlsbin.rd -+++ binutils-2.24/ld/testsuite/ld-ia64/tlsbin.rd -@@ -36,13 +36,14 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - - Program Headers: - +Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align -- +PHDR +0x0+40 0x40+40 0x40+40 0x0+188 0x0+188 R E 0x8 -- +INTERP +0x0+1c8 0x40+1c8 0x40+1c8 0x[0-9a-f]+ 0x[0-9a-f]+ R +0x1 -+ +PHDR +0x0+40 0x40+40 0x40+40 (0x[0-9a-f]+) \1 R E 0x8 -+ +INTERP +0x0+([0-9a-f]+) (0x40+\1) \2 0x[0-9a-f]+ 0x[0-9a-f]+ R +0x1 - .*Requesting program interpreter.* - +LOAD +0x0+ 0x40+ 0x40+ 0x0+1[0-9a-f]+ 0x0+1[0-9a-f]+ R E 0x10000 - +LOAD +0x0+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x0+0[0-9a-f]+ 0x0+0[0-9a-f]+ RW +0x10000 - +DYNAMIC +0x0+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x0+150 0x0+150 RW +0x8 - +TLS +0x0+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x60+1[0-9a-f]+ 0x0+60 0x0+a0 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - +IA_64_UNWIND .* R +0x8 - #... - ---- binutils-2.24/ld/testsuite/ld-ia64/tlspic.rd -+++ binutils-2.24/ld/testsuite/ld-ia64/tlspic.rd -@@ -40,6 +40,7 @@ Program Headers: - +LOAD +0x0+1[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+0[0-9a-f]+ 0x0+0[0-9a-f]+ RW +0x10000 - +DYNAMIC +0x0+1[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+140 0x0+140 RW +0x8 - +TLS +0x0+1[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+11[0-9a-f]+ 0x0+60 0x0+80 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - +IA_64_UNWIND +0x0+1[0-9a-f]+ 0x0+1[0-9a-f]+ 0x0+1[0-9a-f]+ 0x0+18 0x0+18 R +0x8 - #... - ---- binutils-2.24/ld/testsuite/ld-mips-elf/multi-got-no-shared.d -+++ binutils-2.24/ld/testsuite/ld-mips-elf/multi-got-no-shared.d -@@ -8,9 +8,9 @@ - .*: +file format.* - - Disassembly of section .text: --004000b0 <[^>]*> 3c1c0043 lui gp,0x43 --004000b4 <[^>]*> 279c9ff0 addiu gp,gp,-24592 --004000b8 <[^>]*> afbc0008 sw gp,8(sp) -+004000d0 <[^>]*> 3c1c0043 lui gp,0x43 -+004000d4 <[^>]*> 279c9ff0 addiu gp,gp,-24592 -+004000d8 <[^>]*> afbc0008 sw gp,8(sp) - #... - 00408d60 <[^>]*> 3c1c0043 lui gp,0x43 - 00408d64 <[^>]*> 279c2c98 addiu gp,gp,11416 ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-3a.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-3a.sd -@@ -1,7 +1,7 @@ - - Elf file type is DYN (Shared object file) - Entry point .* --There are 5 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -9,6 +9,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+00000 * 0x0+00000 [^ ]+ * [^ ]+ * R E * 0x.* - * LOAD * [^ ]+ * 0x0+10000 * 0x0+10000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+00400 * 0x0+00400 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -18,3 +19,4 @@ Program Headers: - *0*2 * .data .got * - *0*3 * .dynamic * - *0*4 * -+ *0*5 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-3b.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-3b.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC (Executable file) - Entry point 0x44000 --There are 8 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -13,6 +13,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -25,3 +26,4 @@ Program Headers: - *0*5 *.got .data * - *0*6 *.dynamic * - *0*7 * -+ *0*8 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-4b.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-4b.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC (Executable file) - Entry point 0x44000 --There are 8 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -13,6 +13,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -25,3 +26,4 @@ Program Headers: - *0*5 * .got .data .bss * - *0*6 * .dynamic * - *0*7 * -+ *0*8 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-5b.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-5b.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC (Executable file) - Entry point 0x44000 --There are 8 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -13,6 +13,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -25,3 +26,4 @@ Program Headers: - *0*5 * .got .data .bss * - *0*6 * .dynamic * - *0*7 * -+ *0*8 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-n32.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-n32.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC (Executable file) - Entry point 0x44000 --There are 8 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -13,6 +13,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -25,3 +26,4 @@ Program Headers: - *0*5 * .got .data .bss * - *0*6 * .dynamic * - *0*7 * -+ *0*8 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-n64.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-n64.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC (Executable file) - Entry point 0x44000 --There are 7 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -12,6 +12,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -23,3 +24,4 @@ Program Headers: - *0*4 * .got .data .bss * - *0*5 * .dynamic * - *0*6 * -+ *0*7 * ---- binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-o32.sd -+++ binutils-2.24/ld/testsuite/ld-mips-elf/pic-and-nonpic-6-o32.sd -@@ -1,7 +1,7 @@ - - Elf file type is EXEC (Executable file) - Entry point 0x44000 --There are 8 program headers, starting at offset .* -+There are [0-9] program headers, starting at offset .* - - Program Headers: - * Type * Offset * VirtAddr * PhysAddr * FileSiz * MemSiz * Flg * Align -@@ -13,6 +13,7 @@ Program Headers: - * LOAD * [^ ]+ * 0x0+80000 * 0x0+80000 [^ ]+ * [^ ]+ * RW * 0x.* - * LOAD * [^ ]+ * 0x0+a0000 * 0x0+a0000 [^ ]+ * [^ ]+ * RW * 0x.* - * DYNAMIC * [^ ]+ * 0x0+42000 * 0x0+42000 .* -+ * PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - * NULL * .* - - *Section to Segment mapping: -@@ -25,3 +26,4 @@ Program Headers: - *0*5 * .got .data .bss * - *0*6 * .dynamic * - *0*7 * -+ *0*8 * ---- binutils-2.24/ld/testsuite/ld-powerpc/tlsexe32.r -+++ binutils-2.24/ld/testsuite/ld-powerpc/tlsexe32.r -@@ -33,13 +33,14 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - - Program Headers: - +Type +Offset +VirtAddr +PhysAddr +FileSiz MemSiz +Flg Align -- +PHDR +0x000034 0x01800034 0x01800034 0x000c0 0x000c0 R E 0x4 -- +INTERP +0x0000f4 0x018000f4 0x018000f4 0x00011 0x00011 R +0x1 -+ +PHDR +0x000034 0x01800034 0x01800034 (0x000[0-9a-f]{2}) \1 R E 0x4 -+ +INTERP +0x000([0-9a-f]{3}) 0x01800\1 0x01800\1 0x00011 0x00011 R +0x1 - +[Requesting program interpreter: .*] - +LOAD .* R E 0x10000 - +LOAD .* RWE 0x10000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0001c 0x00038 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -49,6 +50,7 @@ Program Headers: - +03 +.tdata .dynamic .got .plt - +04 +.dynamic - +05 +.tdata .tbss -+ +06 + - - Relocation section '.rela.dyn' at offset .* contains 2 entries: - Offset +Info +Type +Sym. Value +Symbol's Name + Addend ---- binutils-2.24/ld/testsuite/ld-powerpc/tlsso32.r -+++ binutils-2.24/ld/testsuite/ld-powerpc/tlsso32.r -@@ -35,6 +35,7 @@ Program Headers: - +LOAD .* RWE 0x10000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0+1c 0x0+38 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -42,6 +43,7 @@ Program Headers: - +01 +.tdata .dynamic .got .plt - +02 +.dynamic - +03 +.tdata .tbss -+ +04 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 18 entries: - Offset +Info +Type +Sym. Value +Symbol's Name + Addend -@@ -52,9 +54,9 @@ Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 18 entries: - [0-9a-f ]+R_PPC_TPREL16 +0+30 +le0 + 0 - [0-9a-f ]+R_PPC_TPREL16_HA +0+34 +le1 + 0 - [0-9a-f ]+R_PPC_TPREL16_LO +0+34 +le1 + 0 --[0-9a-f ]+R_PPC_TPREL16 +0+103d0 +.tdata + 103e4 --[0-9a-f ]+R_PPC_TPREL16_HA +0+103d0 +.tdata + 103e8 --[0-9a-f ]+R_PPC_TPREL16_LO +0+103d0 +.tdata + 103e8 -+[0-9a-f ]+R_PPC_TPREL16 +0+103[df]0 +.tdata + 10[0-9a-f]{3} -+[0-9a-f ]+R_PPC_TPREL16_HA +0+103[df]0 +.tdata + 10[0-9a-f]{3} -+[0-9a-f ]+R_PPC_TPREL16_LO +0+103[df]0 +.tdata + 10[0-9a-f]{3} - [0-9a-f ]+R_PPC_DTPMOD32 +0 - [0-9a-f ]+R_PPC_DTPREL32 +0 - [0-9a-f ]+R_PPC_DTPMOD32 +0 ---- binutils-2.24/ld/testsuite/ld-s390/tlsbin.rd -+++ binutils-2.24/ld/testsuite/ld-s390/tlsbin.rd -@@ -36,6 +36,7 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - +LOAD .* RW +0x1000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0+60 0x0+a0 R +0x20 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -52,6 +53,7 @@ Program Headers: - +03 +.tdata .dynamic .got * - +04 +.dynamic * - +05 +.tdata .tbss * -+ +06 + - - Relocation section '.rela.dyn' at offset .* contains 4 entries: - Offset +Info +Type +Sym.Value +Sym. Name + Addend ---- binutils-2.24/ld/testsuite/ld-s390/tlsbin_64.rd -+++ binutils-2.24/ld/testsuite/ld-s390/tlsbin_64.rd -@@ -36,6 +36,7 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - +LOAD .* RW +0x1000 - +DYNAMIC .* RW +0x8 - +TLS .* 0x0+60 0x0+a0 R +0x20 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -52,6 +53,7 @@ Program Headers: - +03 +.tdata .dynamic .got * - +04 +.dynamic * - +05 +.tdata .tbss * -+ +06 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 4 entries: - +Offset +Info +Type +Symbol's Value +Symbol's Name + Addend ---- binutils-2.24/ld/testsuite/ld-s390/tlspic.rd -+++ binutils-2.24/ld/testsuite/ld-s390/tlspic.rd -@@ -39,6 +39,7 @@ Program Headers: - +LOAD .* RW +0x1000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0+60 0x0+80 R +0x20 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -46,6 +47,7 @@ Program Headers: - +01 +.tdata .dynamic .got - +02 +.dynamic - +03 +.tdata .tbss -+ +04 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: - Offset +Info +Type +Sym.Value +Sym. Name + Addend ---- binutils-2.24/ld/testsuite/ld-s390/tlspic_64.rd -+++ binutils-2.24/ld/testsuite/ld-s390/tlspic_64.rd -@@ -39,6 +39,7 @@ Program Headers: - +LOAD .* RW +0x1000 - +DYNAMIC .* RW +0x8 - +TLS .* 0x0+60 0x0+80 R +0x20 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -46,6 +47,7 @@ Program Headers: - +01 +.tdata .dynamic .got * - +02 +.dynamic * - +03 +.tdata .tbss * -+ +04 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: - +Offset +Info +Type +Symbol's Value +Symbol's Name + Addend ---- binutils-2.24/ld/testsuite/ld-sh/tlsbin-2.d -+++ binutils-2.24/ld/testsuite/ld-sh/tlsbin-2.d -@@ -44,6 +44,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS +0x[0-9a-f]+ 0x[0-9a-f]+ 0x[0-9a-f]+ 0x0+18 0x0+28 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -53,6 +54,7 @@ Program Headers: - +03 +.tdata .dynamic .got * - +04 +.dynamic * - +05 +.tdata .tbss * -+ +06 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 4 entries: - Offset +Info +Type +Sym.Value +Sym. Name + Addend ---- binutils-2.24/ld/testsuite/ld-sh/tlspic-2.d -+++ binutils-2.24/ld/testsuite/ld-sh/tlspic-2.d -@@ -32,7 +32,7 @@ Key to Flags: - - Elf file type is DYN (Shared object file) - Entry point 0x[0-9a-f]+ --There are 4 program headers, starting at offset [0-9]+ -+There are [0-9] program headers, starting at offset [0-9]+ - - Program Headers: - +Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align -@@ -40,6 +40,7 @@ Program Headers: - +LOAD.* - +DYNAMIC.* - +TLS .* 0x0+18 0x0+20 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -47,6 +48,7 @@ Program Headers: - +01 +.tdata .dynamic .got * - +02 +.dynamic * - +03 +.tdata .tbss * -+ +04 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 10 entries: - Offset +Info +Type +Sym.Value +Sym. Name + Addend ---- binutils-2.24/ld/testsuite/ld-sparc/gotop32.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/gotop32.rd -@@ -31,6 +31,7 @@ Program Headers: - +LOAD +0x0+ 0x0+ 0x0+ 0x0+2000 0x0+2000 R E 0x10000 - +LOAD +0x0+2000 0x0+12000 0x0+12000 0x0+2000 0x0+2000 RW +0x10000 - +DYNAMIC +0x0+2000 0x0+12000 0x0+12000 0x0+70 0x0+70 RW +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 1 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/gotop64.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/gotop64.rd -@@ -31,6 +31,7 @@ Program Headers: - +LOAD +0x0+ 0x0+ 0x0+ 0x0+2000 0x0+2000 R E 0x100000 - +LOAD +0x0+2000 0x0+102000 0x0+102000 0x0+2000 0x0+2000 RW +0x100000 - +DYNAMIC +0x0+2000 0x0+102000 0x0+102000 0x0+e0 0x0+e0 RW +0x8 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 1 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunbin32.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunbin32.rd -@@ -30,13 +30,14 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - - Program Headers: - +Type +Offset +VirtAddr +PhysAddr +FileSiz MemSiz +Flg Align -- +PHDR +0x0+34 0x0+10034 0x0+10034 0x0+c0 0x0+c0 R E 0x4 -- +INTERP +0x0+f4 0x0+100f4 0x0+100f4 0x0+11 0x0+11 R +0x1 -+ +PHDR +0x0+34 0x0+10034 0x0+10034 (0x[0-9a-f]+) \1 R E 0x4 -+ +INTERP +(0x[0-9a-f]+ ){3}0x0+11 0x0+11 R +0x1 - .*Requesting program interpreter.* - +LOAD .* R E 0x10000 - +LOAD .* RW +0x10000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0+1060 0x0+10a0 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 4 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunbin64.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunbin64.rd -@@ -30,13 +30,14 @@ There are [0-9]+ program headers, starting at offset [0-9]+ - - Program Headers: - +Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align -- +PHDR +0x0+40 0x0+100040 0x0+100040 0x0+150 0x0+150 R E 0x8 -- +INTERP +0x0+190 0x0+100190 0x0+100190 0x0+19 0x0+19 R +0x1 -+ +PHDR +0x0+40 0x0+100040 0x0+100040 (0x[0-9a-f]+) \1 R E 0x8 -+ +INTERP +0x0+([0-9a-f]+) (0x0+10+\1) \2 0x0+19 0x0+19 R +0x1 - .*Requesting program interpreter.* - +LOAD .* R E 0x100000 - +LOAD .* RW +0x100000 - +DYNAMIC .* RW +0x8 - +TLS .* 0x0+60 0x0+a0 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 4 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunnopic32.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunnopic32.rd -@@ -32,6 +32,7 @@ Program Headers: - +LOAD .* RW +0x10000 - +DYNAMIC .* RW +0x4 - +TLS .* 0x0+ 0x0+24 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 12 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunnopic64.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunnopic64.rd -@@ -32,6 +32,7 @@ Program Headers: - +LOAD .* RW +0x100000 - +DYNAMIC .* RW +0x8 - +TLS .* 0x0+ 0x0+24 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunpic32.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunpic32.rd -@@ -36,6 +36,7 @@ Program Headers: - +LOAD +0x0+2000 0x0+12000 0x0+12000 0x0+184 0x0+184 RWE 0x10000 - +DYNAMIC +0x0+2060 0x0+12060 0x0+12060 0x0+98 0x0+98 RW +0x4 - +TLS +0x0+2000 0x0+12000 0x0+12000 0x0+60 0x0+80 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: ---- binutils-2.24/ld/testsuite/ld-sparc/tlssunpic64.rd -+++ binutils-2.24/ld/testsuite/ld-sparc/tlssunpic64.rd -@@ -36,6 +36,7 @@ Program Headers: - +LOAD +0x0+2000 0x0+102000 0x0+102000 0x0+3a0 0x0+3a0 RWE 0x100000 - +DYNAMIC +0x0+2060 0x0+102060 0x0+102060 0x0+130 0x0+130 RW +0x8 - +TLS +0x0+2000 0x0+102000 0x0+102000 0x0+60 0x0+80 R +0x4 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - #... - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: ---- binutils-2.24/ld/testsuite/ld-x86-64/tlsgdesc.rd -+++ binutils-2.24/ld/testsuite/ld-x86-64/tlsgdesc.rd -@@ -36,12 +36,14 @@ Program Headers: - +LOAD.* - +LOAD.* - +DYNAMIC.* -+ +PAX_FLAGS.* - - Section to Segment mapping: - +Segment Sections... - +00 +.hash .dynsym .dynstr .rela.dyn .rela.plt .plt .text * - +01 +.dynamic .got .got.plt * - +02 +.dynamic * -+ +03 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 8 entries: - +Offset +Info +Type +Symbol's Value +Symbol's Name + Addend ---- binutils-2.24/ld/testsuite/ld-x86-64/tlspic.rd -+++ binutils-2.24/ld/testsuite/ld-x86-64/tlspic.rd -@@ -40,6 +40,7 @@ Program Headers: - +LOAD +0x0+131a 0x0+20131a 0x0+20131a 0x0+246 0x0+246 RW +0x200000 - +DYNAMIC +0x0+1380 0x0+201380 0x0+201380 0x0+130 0x0+130 RW +0x8 - +TLS +0x0+131a 0x0+20131a 0x0+20131a 0x0+60 0x0+80 R +0x1 -+ +PAX_FLAGS +0x0+ 0x0+ 0x0+ 0x0+ 0x0+ +0x[48] - - Section to Segment mapping: - +Segment Sections... -@@ -47,6 +48,7 @@ Program Headers: - +01 +.tdata .dynamic .got .got.plt * - +02 +.dynamic * - +03 +.tdata .tbss * -+ +04 + - - Relocation section '.rela.dyn' at offset 0x[0-9a-f]+ contains 14 entries: - +Offset +Info +Type +Symbol's Value +Symbol's Name + Addend diff --git a/binutils/patches/binutils-2.24-set-section-macros.patch0 b/binutils/patches/binutils-2.24-set-section-macros.patch0 deleted file mode 100644 index 6171c48..0000000 --- a/binutils/patches/binutils-2.24-set-section-macros.patch0 +++ /dev/null @@ -1,103 +0,0 @@ -diff -rcp ../binutils-2.24.orig/bfd/bfd-in2.h bfd/bfd-in2.h -*** ../binutils-2.24.orig/bfd/bfd-in2.h 2014-04-22 12:03:35.226872578 +0100 ---- bfd/bfd-in2.h 2014-04-22 12:07:51.556393678 +0100 -*************** typedef struct bfd_section *sec_ptr; -*** 294,302 **** - - #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0) - -- #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE) -- #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE) -- #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE) - /* Find the address one past the end of SEC. */ - #define bfd_get_section_limit(bfd, sec) \ - (((bfd)->direction != write_direction && (sec)->rawsize != 0 \ ---- 294,299 ---- -*************** struct relax_table { -*** 1592,1597 **** ---- 1589,1620 ---- - int size; - }; - -+ /* Note: the following are provided as inline functions rather than macros -+ because not all callers use the return value. A macro implementation -+ would use a comma expression, eg: "((ptr)->foo = val, TRUE)" and some -+ compilers will complain about comma expressions that have no effect. */ -+ static inline bfd_boolean -+ bfd_set_section_userdata (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, void * val) -+ { -+ ptr->userdata = val; -+ return TRUE; -+ } -+ -+ static inline bfd_boolean -+ bfd_set_section_vma (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, bfd_vma val) -+ { -+ ptr->vma = ptr->lma = val; -+ ptr->user_set_vma = TRUE; -+ return TRUE; -+ } -+ -+ static inline bfd_boolean -+ bfd_set_section_alignment (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, unsigned int val) -+ { -+ ptr->alignment_power = val; -+ return TRUE; -+ } -+ - /* These sections are global, and are managed by BFD. The application - and target back end are not permitted to change the values in - these sections. */ -diff -rcp ../binutils-2.24.orig/bfd/bfd-in.h bfd/bfd-in.h -*** ../binutils-2.24.orig/bfd/bfd-in.h 2014-04-22 12:03:35.272868967 +0100 ---- bfd/bfd-in.h 2014-04-22 12:06:12.850914084 +0100 -*************** typedef struct bfd_section *sec_ptr; -*** 287,295 **** - - #define bfd_is_com_section(ptr) (((ptr)->flags & SEC_IS_COMMON) != 0) - -- #define bfd_set_section_vma(bfd, ptr, val) (((ptr)->vma = (ptr)->lma = (val)), ((ptr)->user_set_vma = TRUE), TRUE) -- #define bfd_set_section_alignment(bfd, ptr, val) (((ptr)->alignment_power = (val)),TRUE) -- #define bfd_set_section_userdata(bfd, ptr, val) (((ptr)->userdata = (val)),TRUE) - /* Find the address one past the end of SEC. */ - #define bfd_get_section_limit(bfd, sec) \ - (((bfd)->direction != write_direction && (sec)->rawsize != 0 \ ---- 287,292 ---- -diff -rcp ../binutils-2.24.orig/bfd/section.c bfd/section.c -*** ../binutils-2.24.orig/bfd/section.c 2014-04-22 12:03:35.215873442 +0100 ---- bfd/section.c 2014-04-22 12:06:55.795118059 +0100 -*************** CODE_FRAGMENT -*** 542,547 **** ---- 542,573 ---- - . int size; - .}; - . -+ .{* Note: the following are provided as inline functions rather than macros -+ . because not all callers use the return value. A macro implementation -+ . would use a comma expression, eg: "((ptr)->foo = val, TRUE)" and some -+ . compilers will complain about comma expressions that have no effect. *} -+ .static inline bfd_boolean -+ .bfd_set_section_userdata (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, void * val) -+ .{ -+ . ptr->userdata = val; -+ . return TRUE; -+ .} -+ . -+ .static inline bfd_boolean -+ .bfd_set_section_vma (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, bfd_vma val) -+ .{ -+ . ptr->vma = ptr->lma = val; -+ . ptr->user_set_vma = TRUE; -+ . return TRUE; -+ .} -+ . -+ .static inline bfd_boolean -+ .bfd_set_section_alignment (bfd * abfd ATTRIBUTE_UNUSED, asection * ptr, unsigned int val) -+ .{ -+ . ptr->alignment_power = val; -+ . return TRUE; -+ .} -+ . - .{* These sections are global, and are managed by BFD. The application - . and target back end are not permitted to change the values in - . these sections. *} diff --git a/binutils/patches/binutils-2.24-symbol-warning.patch b/binutils/patches/binutils-2.24-symbol-warning.patch deleted file mode 100644 index aff6c48..0000000 --- a/binutils/patches/binutils-2.24-symbol-warning.patch +++ /dev/null @@ -1,114 +0,0 @@ -From 4c6d802e592b3762a149c343bc5722e065e57841 Mon Sep 17 00:00:00 2001 -From: H.J. Lu hjl.tools@gmail.com -Date: Wed, 26 Mar 2014 12:18:59 -0700 -Subject: [PATCH] Scan all input files for symbol reference warning - -This patch scans all input files for symbol reference warning if the -symbol reference doesn't exist in the current input file. - -ld/ - - PR ld/16756 - * ldmain.c (symbol_warning): New function. - (warning_callback): Use it. Scan all input files for a reference - to SYMBOL. - -ld/testsuite/ - - PR ld/16756 - * ld-plugin/lto.exp: Expect filename and line number for PR - ld/12760 test. ---- - ld/ChangeLog | 7 ++++ - ld/ldmain.c | 43 ++++++++++++++++---------- - ld/testsuite/ChangeLog | 64 ++++++++++++++++++++++------------------ - ld/testsuite/ld-plugin/lto.exp | 4 +- - 4 files changed, 70 insertions(+), 48 deletions(-) - -diff --git a/ld/ldmain.c b/ld/ldmain.c -index ffc9f84..14253a6 100644 ---- a/ld/ldmain.c -+++ b/ld/ldmain.c -@@ -1150,6 +1150,25 @@ struct warning_callback_info - asymbol **asymbols; - }; - -+/* Look through the relocs to see if we can find a plausible address -+ for SYMBOL in ABFD. Return TRUE if found. Otherwise return FALSE. */ -+ -+static bfd_boolean -+symbol_warning (const char *warning, const char *symbol, bfd *abfd) -+{ -+ struct warning_callback_info cinfo; -+ -+ if (!bfd_generic_link_read_symbols (abfd)) -+ einfo (_("%B%F: could not read symbols: %E\n"), abfd); -+ -+ cinfo.found = FALSE; -+ cinfo.warning = warning; -+ cinfo.symbol = symbol; -+ cinfo.asymbols = bfd_get_outsymbols (abfd); -+ bfd_map_over_sections (abfd, warning_find_reloc, &cinfo); -+ return cinfo.found; -+} -+ - /* This is called when there is a reference to a warning symbol. */ - - static bfd_boolean ---- a/ld/ldmain.c 2014-06-24 14:04:00.700594584 -0400 -+++ b/ld/ldmain.c 2014-06-24 14:07:19.452270808 -0400 -@@ -1172,24 +1172,14 @@ - einfo ("%P: %s%s\n", _("warning: "), warning); - else if (symbol == NULL) - einfo ("%B: %s%s\n", abfd, _("warning: "), warning); -- else if ((abfd->flags & BFD_PLUGIN) == 0) -+ else if (! symbol_warning (warning, symbol, abfd)) - { -- struct warning_callback_info cinfo; -- -- /* Look through the relocs to see if we can find a plausible -- address. */ -- -- if (!bfd_generic_link_read_symbols (abfd)) -- einfo (_("%B%F: could not read symbols: %E\n"), abfd); -- -- cinfo.found = FALSE; -- cinfo.warning = warning; -- cinfo.symbol = symbol; -- cinfo.asymbols = bfd_get_outsymbols (abfd); -- bfd_map_over_sections (abfd, warning_find_reloc, &cinfo); -- -- if (! cinfo.found) -- einfo ("%B: %s%s\n", abfd, _("warning: "), warning); -+ bfd *b; -+ /* Search all input files for a reference to SYMBOL. */ -+ for (b = info->input_bfds; b; b = b->link_next) -+ if (b != abfd && symbol_warning (warning, symbol, b)) -+ return TRUE; -+ einfo ("%B: %s%s\n", abfd, _("warning: "), warning); - } - - return TRUE; -diff --git a/ld/testsuite/ld-plugin/lto.exp b/ld/testsuite/ld-plugin/lto.exp -index af7307f..53543a6 100644 ---- a/ld/testsuite/ld-plugin/lto.exp -+++ b/ld/testsuite/ld-plugin/lto.exp -@@ -116,14 +116,14 @@ set lto_link_tests { - "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12758a.o -Wl,--start-group tmpdir/libpr12758.a -Wl,--end-group" "" - {dummy.c} {} "pr12758.exe"} - {"Build libdummy.a PR ld/12760" -- "" "" -+ "" "-g -O0" - {pr12760a.c} {} "libdummy.a"} - {"Build libpr12760.a" - "" "-flto -O2 -ffat-lto-objects" - {pr12760b.c} {} "libpr12760.a"} - {"PR ld/12760" - "-O2 -Wl,-e,foo -nostdlib -flto -fuse-linker-plugin tmpdir/pr12760a.o -Wl,--start-group tmpdir/libpr12760.a -Wl,--end-group" "" -- {dummy.c} {} "pr12760.exe" "c" "warning: Bad bar"} -+ {dummy.c} {} "pr12760.exe" "c" "pr12760a.c:6: warning: Bad bar"} - {"Build libpr13183.a" - "-T" "-flto -O2 -ffat-lto-objects" - {pr13183a.c} {} "libpr13183.a"} --- -1.7.1 diff --git a/binutils/patches/binutils-2.24-weak-sym-merge.patch0 b/binutils/patches/binutils-2.24-weak-sym-merge.patch0 deleted file mode 100644 index 0625f0d..0000000 --- a/binutils/patches/binutils-2.24-weak-sym-merge.patch0 +++ /dev/null @@ -1,22 +0,0 @@ -*** ../binutils-2.24.orig/bfd/elflink.c 2014-08-15 14:12:59.933394436 +0100 ---- bfd/elflink.c 2014-08-15 14:40:54.787075416 +0100 -*************** _bfd_elf_merge_symbol (bfd *abfd, -*** 1437,1443 **** - if (!(oldbfd != NULL - && (oldbfd->flags & BFD_PLUGIN) != 0 - && (abfd->flags & BFD_PLUGIN) == 0)) -! *skip = TRUE; - - /* Merge st_other. If the symbol already has a dynamic index, - but visibility says it should not be visible, turn it into a ---- 1437,1446 ---- - if (!(oldbfd != NULL - && (oldbfd->flags & BFD_PLUGIN) != 0 - && (abfd->flags & BFD_PLUGIN) == 0)) -! { -! newdef = FALSE; -! *skip = TRUE; -! } - - /* Merge st_other. If the symbol already has a dynamic index, - but visibility says it should not be visible, turn it into a diff --git a/binutils/patches/binutils-2.26-fix-GOT-offset-calculation.patch b/binutils/patches/binutils-2.26-fix-GOT-offset-calculation.patch new file mode 100644 index 0000000..99e8b70 --- /dev/null +++ b/binutils/patches/binutils-2.26-fix-GOT-offset-calculation.patch @@ -0,0 +1,17 @@ +--- binutils-2.26.orig/bfd/elf32-i386.c 2016-02-29 15:47:45.172597805 +0000 ++++ binutils-2.26/bfd/elf32-i386.c 2016-02-29 15:48:42.161904973 +0000 +@@ -4016,10 +4016,12 @@ elf_i386_relocate_section (bfd *output_b + + /* It is relative to .got.plt section. */ + if (h->got.offset != (bfd_vma) -1) +- /* Use GOT entry. */ ++ /* Use GOT entry. Mask off the least significant bit in ++ GOT offset which may be set by R_386_GOT32 processing ++ below. */ + relocation = (htab->elf.sgot->output_section->vma + + htab->elf.sgot->output_offset +- + h->got.offset - offplt); ++ + (h->got.offset & ~1) - offplt); + else + /* Use GOTPLT entry. */ + relocation = (h->plt.offset / plt_entry_size - 1 + 3) * 4; diff --git a/binutils/patches/binutils-2.26-lto.patch b/binutils/patches/binutils-2.26-lto.patch new file mode 100644 index 0000000..3705459 --- /dev/null +++ b/binutils/patches/binutils-2.26-lto.patch @@ -0,0 +1,2555 @@ +diff -rup binutils-2.26.orig/bfd/bfd.c binutils-2.26/bfd/bfd.c +--- binutils-2.26.orig/bfd/bfd.c 2016-02-19 09:35:36.231000625 +0000 ++++ binutils-2.26/bfd/bfd.c 2016-02-19 09:35:54.901106498 +0000 +@@ -57,6 +57,14 @@ CODE_FRAGMENT + . bfd_byte data[1]; + . }; + . ++.enum bfd_lto_object_type ++. { ++. lto_non_object, ++. lto_non_ir_object, ++. lto_ir_object, ++. lto_mixed_object ++. }; ++. + .struct bfd + .{ + . {* The filename the application opened the BFD with. *} +@@ -227,6 +235,9 @@ CODE_FRAGMENT + . {* Set if this is a plugin output file. *} + . unsigned int lto_output : 1; + . ++. {* LTO object type. *} ++. ENUM_BITFIELD (bfd_lto_object_type) lto_type : 2; ++. + . {* Set to dummy BFD created when claimed by a compiler plug-in + . library. *} + . bfd *plugin_dummy_bfd; +@@ -252,6 +263,9 @@ CODE_FRAGMENT + . {* The last section on the section list. *} + . struct bfd_section *section_last; + . ++. {* The object-only section on the section list. *} ++. struct bfd_section *object_only_section; ++. + . {* The number of sections. *} + . unsigned int section_count; + . +@@ -2270,3 +2284,36 @@ bfd_convert_section_contents (bfd *ibfd, + *ptr_size = size; + return TRUE; + } ++ ++/* ++FUNCTION ++ bfd_group_signature ++ ++SYNOPSIS ++ asymbol *bfd_group_signature (asection *group, asymbol **isympp); ++ ++DESCRIPTION ++ Return a pointer to the symbol used as a signature for GROUP. ++*/ ++ ++asymbol * ++bfd_group_signature (asection *group, asymbol **isympp) ++{ ++ bfd *abfd = group->owner; ++ Elf_Internal_Shdr *ghdr; ++ ++ if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) ++ return NULL; ++ ++ ghdr = &elf_section_data (group)->this_hdr; ++ if (ghdr->sh_link < elf_numsections (abfd)) ++ { ++ const struct elf_backend_data *bed = get_elf_backend_data (abfd); ++ Elf_Internal_Shdr *symhdr = elf_elfsections (abfd) [ghdr->sh_link]; ++ ++ if (symhdr->sh_type == SHT_SYMTAB ++ && ghdr->sh_info < symhdr->sh_size / bed->s->sizeof_sym) ++ return isympp[ghdr->sh_info - 1]; ++ } ++ return NULL; ++} +diff -rup binutils-2.26.orig/bfd/bfd-in2.h binutils-2.26/bfd/bfd-in2.h +--- binutils-2.26.orig/bfd/bfd-in2.h 2016-02-19 09:35:36.280000903 +0000 ++++ binutils-2.26/bfd/bfd-in2.h 2016-02-19 09:35:54.900106492 +0000 +@@ -1089,6 +1089,9 @@ struct bfd_section *bfd_create_gnu_debug + bfd_boolean bfd_fill_in_gnu_debuglink_section + (bfd *abfd, struct bfd_section *sect, const char *filename); + ++const char *bfd_extract_object_only_section ++ (bfd *abfd); ++ + /* Extracted from libbfd.c. */ + + /* Byte swapping macros for user section data. */ +@@ -1654,6 +1657,9 @@ extern asection _bfd_std_section[4]; + #define BFD_COM_SECTION_NAME "*COM*" + #define BFD_IND_SECTION_NAME "*IND*" + ++/* GNU object-only section name. */ ++#define GNU_OBJECT_ONLY_SECTION_NAME ".gnu_object_only" ++ + /* Pointer to the common section. */ + #define bfd_com_section_ptr (&_bfd_std_section[0]) + /* Pointer to the undefined section. */ +@@ -6511,6 +6517,14 @@ struct bfd_build_id + bfd_byte data[1]; + }; + ++enum bfd_lto_object_type ++ { ++ lto_non_object, ++ lto_non_ir_object, ++ lto_ir_object, ++ lto_mixed_object ++ }; ++ + struct bfd + { + /* The filename the application opened the BFD with. */ +@@ -6681,6 +6695,9 @@ struct bfd + /* Set if this is a plugin output file. */ + unsigned int lto_output : 1; + ++ /* LTO object type. */ ++ ENUM_BITFIELD (bfd_lto_object_type) lto_type : 2; ++ + /* Set to dummy BFD created when claimed by a compiler plug-in + library. */ + bfd *plugin_dummy_bfd; +@@ -6706,6 +6723,9 @@ struct bfd + /* The last section on the section list. */ + struct bfd_section *section_last; + ++ /* The object-only section on the section list. */ ++ struct bfd_section *object_only_section; ++ + /* The number of sections. */ + unsigned int section_count; + +@@ -7026,6 +7046,8 @@ bfd_boolean bfd_convert_section_contents + (bfd *ibfd, asection *isec, bfd *obfd, + bfd_byte **ptr, bfd_size_type *ptr_size); + ++asymbol *bfd_group_signature (asection *group, asymbol **isympp); ++ + /* Extracted from archive.c. */ + symindex bfd_get_next_mapent + (bfd *abfd, symindex previous, carsym **sym); +diff -rup binutils-2.26.orig/bfd/elf.c binutils-2.26/bfd/elf.c +--- binutils-2.26.orig/bfd/elf.c 2016-02-19 09:35:36.280000903 +0000 ++++ binutils-2.26/bfd/elf.c 2016-02-19 09:35:54.904106515 +0000 +@@ -2387,6 +2387,7 @@ static const struct bfd_elf_special_sect + { STRING_COMMA_LEN (".gnu.linkonce.b"), -2, SHT_NOBITS, SHF_ALLOC + SHF_WRITE }, + { STRING_COMMA_LEN (".gnu.lto_"), -1, SHT_PROGBITS, SHF_EXCLUDE }, + { STRING_COMMA_LEN (".got"), 0, SHT_PROGBITS, SHF_ALLOC + SHF_WRITE }, ++ { STRING_COMMA_LEN (".gnu_object_only"), 0, SHT_GNU_OBJECT_ONLY, SHF_EXCLUDE }, + { STRING_COMMA_LEN (".gnu.version"), 0, SHT_GNU_versym, 0 }, + { STRING_COMMA_LEN (".gnu.version_d"), 0, SHT_GNU_verdef, 0 }, + { STRING_COMMA_LEN (".gnu.version_r"), 0, SHT_GNU_verneed, 0 }, +diff -rup binutils-2.26.orig/bfd/format.c binutils-2.26/bfd/format.c +--- binutils-2.26.orig/bfd/format.c 2016-02-19 09:35:36.265000818 +0000 ++++ binutils-2.26/bfd/format.c 2016-02-19 09:36:21.420256880 +0000 +@@ -46,6 +46,9 @@ SUBSECTION + #include "sysdep.h" + #include "bfd.h" + #include "libbfd.h" ++#if BFD_SUPPORTS_PLUGINS ++#include "plugin.h" ++#endif + + /* IMPORT from targets.c. */ + extern const size_t _bfd_target_vector_entries; +@@ -179,6 +182,33 @@ bfd_preserve_finish (bfd *abfd ATTRIBUTE + preserve->marker = NULL; + } + ++/* Set lto_type in ABFD. */ ++ ++static void ++bfd_set_lto_type (bfd *abfd) ++{ ++ if (abfd->format == bfd_object ++ && abfd->lto_type == lto_non_object ++ && (abfd->flags & (DYNAMIC | EXEC_P)) == 0) ++ { ++ asection *sec; ++ enum bfd_lto_object_type type = lto_non_ir_object; ++ for (sec = abfd->sections; sec != NULL; sec = sec->next) ++ { ++ if (strcmp (sec->name, GNU_OBJECT_ONLY_SECTION_NAME) == 0) ++ { ++ type = lto_mixed_object; ++ abfd->object_only_section = sec; ++ break; ++ } ++ else if (type != lto_ir_object ++ && strncmp (sec->name, ".gnu.lto_", 9) == 0) ++ type = lto_ir_object; ++ } ++ abfd->lto_type = type; ++ } ++} ++ + /* + FUNCTION + bfd_check_format_matches +@@ -221,7 +251,10 @@ bfd_check_format_matches (bfd *abfd, bfd + } + + if (abfd->format != bfd_unknown) +- return abfd->format == format; ++ { ++ bfd_set_lto_type (abfd); ++ return abfd->format == format; ++ } + + if (matching != NULL || *bfd_associated_vector != NULL) + { +@@ -285,6 +318,13 @@ bfd_check_format_matches (bfd *abfd, bfd + || (*target)->match_priority > best_match) + continue; + ++#if BFD_SUPPORTS_PLUGINS ++ /* If the plugin target is explicitly specified when a BFD file ++ is opened, don't check it twice. */ ++ if (bfd_plugin_specified_p () && bfd_plugin_target_p (*target)) ++ continue; ++#endif ++ + /* If we already tried a match, the bfd is modified and may + have sections attached, which will confuse the next + _bfd_check_format call. */ +@@ -449,6 +489,8 @@ bfd_check_format_matches (bfd *abfd, bfd + if (matching_vector) + free (matching_vector); + ++ bfd_set_lto_type (abfd); ++ + /* File position has moved, BTW. */ + return TRUE; + } +diff -rup binutils-2.26.orig/bfd/opncls.c binutils-2.26/bfd/opncls.c +--- binutils-2.26.orig/bfd/opncls.c 2016-02-19 09:35:36.281000909 +0000 ++++ binutils-2.26/bfd/opncls.c 2016-02-19 09:35:54.905106520 +0000 +@@ -1717,3 +1717,69 @@ bfd_fill_in_gnu_debuglink_section (bfd * + + return TRUE; + } ++ ++/* ++FUNCTION ++ bfd_extract_object_only_section ++ ++SYNOPSIS ++ const char *bfd_extract_object_only_section ++ (bfd *abfd); ++ ++DESCRIPTION ++ ++ Takes a @var{ABFD} and extract the .gnu_object_only section into ++ a temporary file. ++ ++RETURNS ++ The name of the temporary file is returned if all is ok. ++ Otherwise <<NULL>> is returned and bfd_error is set. ++*/ ++ ++const char * ++bfd_extract_object_only_section (bfd *abfd) ++{ ++ asection *sec = abfd->object_only_section; ++ const char *name; ++ FILE *file; ++ bfd_byte *memhunk = NULL; ++ size_t off, size; ++ bfd_error_type err; ++ ++ /* Get a temporary object-only file. */ ++ name = make_temp_file (".obj-only.o"); ++ ++ /* Open the object-only file. */ ++ file = real_fopen (name, FOPEN_WB); ++ if (!bfd_get_full_section_contents (abfd, sec, &memhunk)) ++ { ++ err = bfd_get_error (); ++ ++loser: ++ free (memhunk); ++ fclose (file); ++ unlink (name); ++ bfd_set_error (err); ++ return NULL; ++ } ++ ++ off = 0; ++ size = sec->size; ++ while (off != size) ++ { ++ size_t written, nwrite = size - off; ++ ++ written = fwrite (memhunk + off, 1, nwrite, file); ++ if (written < nwrite && ferror (file)) ++ { ++ err = bfd_error_system_call; ++ goto loser; ++ } ++ ++ off += written; ++ } ++ ++ free (memhunk); ++ fclose (file); ++ return name; ++} +diff -rup binutils-2.26.orig/bfd/plugin.c binutils-2.26/bfd/plugin.c +--- binutils-2.26.orig/bfd/plugin.c 2016-02-19 09:35:36.271000852 +0000 ++++ binutils-2.26/bfd/plugin.c 2016-02-19 09:35:54.905106520 +0000 +@@ -130,6 +130,146 @@ register_claim_file (ld_plugin_claim_fil + return LDPS_OK; + } + ++static asection bfd_plugin_fake_text_section ++ = BFD_FAKE_SECTION (bfd_plugin_fake_text_section, 0, 0, ".text", 0); ++static asection bfd_plugin_fake_common_section ++ = BFD_FAKE_SECTION (bfd_plugin_fake_common_section, SEC_IS_COMMON, 0, ++ NULL, 0); ++ ++/* Get symbols from object only section. */ ++ ++static void ++bfd_plugin_get_symbols_in_object_only (bfd *abfd) ++{ ++ struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; ++ const char *object_only_file; ++ bfd *nbfd; ++ long storage; ++ long object_only_nsyms, added_nsyms, i; ++ asymbol **object_only_syms, **added_syms; ++ ++ plugin_data->object_only_syms = NULL; ++ plugin_data->object_only_nsyms = 0; ++ ++ if (abfd->sections == NULL && abfd->my_archive == NULL) ++ { ++ nbfd = bfd_openr (abfd->filename, NULL); ++ if (nbfd == NULL) ++ { ++ (*_bfd_error_handler) ++ (_("%s: failed to open to extract object only section: %s"), ++ abfd->filename, bfd_errmsg (bfd_get_error ())); ++ goto error_return; ++ } ++ else if (!bfd_check_format (nbfd, bfd_object)) ++ { ++ /* There is no object only section if it isn't a bfd_object ++ file. */ ++error_return: ++ bfd_close (nbfd); ++ return; ++ } ++ } ++ else ++ { ++ if (!bfd_check_format (abfd, bfd_object)) ++ { ++ (*_bfd_error_handler) ++ (_("%B: invalid file to extract object only section: %s"), ++ abfd, bfd_errmsg (bfd_get_error ())); ++ return; ++ } ++ nbfd = abfd; ++ } ++ ++ if (nbfd->lto_type == lto_mixed_object ++ && (nbfd->flags & HAS_SYMS) != 0) ++ { ++ object_only_file = bfd_extract_object_only_section (nbfd); ++ if (object_only_file == NULL) ++ (*_bfd_error_handler) ++ (_("%B: failed to extract object only section: %s"), ++ abfd, bfd_errmsg (bfd_get_error ())); ++ } ++ else ++ object_only_file = NULL; ++ ++ /* Close the new bfd we just opened. */ ++ if (nbfd != abfd) ++ bfd_close (nbfd); ++ ++ /* Return if there is no object only section or there is no ++ symbol in object only section. */ ++ if (!object_only_file) ++ return; ++ ++ /* Open the file containing object only section. */ ++ nbfd = bfd_openr (object_only_file, NULL); ++ if (!bfd_check_format (nbfd, bfd_object)) ++ { ++ (*_bfd_error_handler) ++ (_("%B: failed to open object only section: %s"), ++ abfd, bfd_errmsg (bfd_get_error ())); ++ goto quit; ++ } ++ ++ storage = bfd_get_symtab_upper_bound (nbfd); ++ if (storage <= 0) ++ { ++ if (storage < 0) ++ (*_bfd_error_handler) ++ (_("%B: failed to get symbol table in object only section: %s"), ++ abfd, bfd_errmsg (bfd_get_error ())); ++ ++ goto quit; ++ } ++ ++ object_only_syms = (asymbol **) bfd_malloc (storage); ++ object_only_nsyms = bfd_canonicalize_symtab (nbfd, object_only_syms); ++ ++ /* FIXME: We waste some spaces if not all symbols are copied. */ ++ added_syms = (asymbol **) bfd_alloc (abfd, storage); ++ added_nsyms = 0; ++ ++ /* Copy only global symbols from object only section. */ ++ for (i = 0; i < object_only_nsyms; i++) ++ { ++ asection *sec = object_only_syms[i]->section; ++ flagword flags = object_only_syms[i]->flags; ++ asymbol *s; ++ ++ if (bfd_is_com_section (sec)) ++ sec = &bfd_plugin_fake_common_section; ++ else if (bfd_is_und_section (sec)) ++ ; ++ else if ((flags & (BSF_GLOBAL | BSF_WEAK | BSF_GNU_UNIQUE)) != 0) ++ sec = &bfd_plugin_fake_text_section; ++ else ++ continue; ++ ++ s = bfd_alloc (abfd, sizeof (asymbol)); ++ BFD_ASSERT (s); ++ added_syms[added_nsyms++] = s; ++ ++ s->section = sec; ++ s->the_bfd = abfd; ++ s->name = xstrdup (object_only_syms[i]->name); ++ s->value = 0; ++ s->flags = flags; ++ s->udata.p = NULL; ++ } ++ ++ plugin_data->object_only_syms = added_syms; ++ plugin_data->object_only_nsyms = added_nsyms; ++ ++ free (object_only_syms); ++ ++quit: ++ /* Close and remove the object only section file. */ ++ bfd_close (nbfd); ++ unlink (object_only_file); ++} ++ + static enum ld_plugin_status + add_symbols (void * handle, + int nsyms, +@@ -142,10 +282,13 @@ add_symbols (void * handle, + plugin_data->nsyms = nsyms; + plugin_data->syms = syms; + +- if (nsyms != 0) ++ abfd->tdata.plugin_data = plugin_data; ++ ++ bfd_plugin_get_symbols_in_object_only (abfd); ++ ++ if ((nsyms + plugin_data->object_only_nsyms) != 0) + abfd->flags |= HAS_SYMS; + +- abfd->tdata.plugin_data = plugin_data; + return LDPS_OK; + } + +@@ -440,7 +583,8 @@ static long + bfd_plugin_get_symtab_upper_bound (bfd *abfd) + { + struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; +- long nsyms = plugin_data->nsyms; ++ /* Add symbols from object only section. */ ++ long nsyms = plugin_data->nsyms + plugin_data->object_only_nsyms; + + BFD_ASSERT (nsyms >= 0); + +@@ -474,12 +618,7 @@ bfd_plugin_canonicalize_symtab (bfd *abf + struct plugin_data_struct *plugin_data = abfd->tdata.plugin_data; + long nsyms = plugin_data->nsyms; + const struct ld_plugin_symbol *syms = plugin_data->syms; +- static asection fake_section; +- static asection fake_common_section; +- int i; +- +- fake_section.name = ".text"; +- fake_common_section.flags = SEC_IS_COMMON; ++ int i, j; + + for (i = 0; i < nsyms; i++) + { +@@ -492,10 +631,11 @@ bfd_plugin_canonicalize_symtab (bfd *abf + s->name = syms[i].name; + s->value = 0; + s->flags = convert_flags (&syms[i]); ++ s->udata.p = NULL; + switch (syms[i].def) + { + case LDPK_COMMON: +- s->section = &fake_common_section; ++ s->section = &bfd_plugin_fake_common_section; + break; + case LDPK_UNDEF: + case LDPK_WEAKUNDEF: +@@ -503,15 +643,18 @@ bfd_plugin_canonicalize_symtab (bfd *abf + break; + case LDPK_DEF: + case LDPK_WEAKDEF: +- s->section = &fake_section; ++ s->section = &bfd_plugin_fake_text_section; + break; + default: + BFD_ASSERT (0); + } +- +- s->udata.p = (void *) &syms[i]; + } + ++ /* Copy symbols from object only section. */ ++ nsyms += plugin_data->object_only_nsyms; ++ for (j = 0; j < plugin_data->object_only_nsyms; j++, i++) ++ alocation[i] = plugin_data->object_only_syms[j]; ++ + return nsyms; + } + +diff -rup binutils-2.26.orig/bfd/plugin.h binutils-2.26/bfd/plugin.h +--- binutils-2.26.orig/bfd/plugin.h 2016-02-19 09:35:36.271000852 +0000 ++++ binutils-2.26/bfd/plugin.h 2016-02-19 09:35:54.906106526 +0000 +@@ -33,6 +33,8 @@ typedef struct plugin_data_struct + { + int nsyms; + const struct ld_plugin_symbol *syms; ++ int object_only_nsyms; ++ asymbol **object_only_syms; + } + plugin_data_struct; + +diff -rup binutils-2.26.orig/bfd/section.c binutils-2.26/bfd/section.c +--- binutils-2.26.orig/bfd/section.c 2016-02-19 09:35:36.276000881 +0000 ++++ binutils-2.26/bfd/section.c 2016-02-19 09:35:54.906106526 +0000 +@@ -588,6 +588,9 @@ CODE_FRAGMENT + .#define BFD_COM_SECTION_NAME "*COM*" + .#define BFD_IND_SECTION_NAME "*IND*" + . ++.{* GNU object-only section name. *} ++.#define GNU_OBJECT_ONLY_SECTION_NAME ".gnu_object_only" ++. + .{* Pointer to the common section. *} + .#define bfd_com_section_ptr (&_bfd_std_section[0]) + .{* Pointer to the undefined section. *} +diff -rup binutils-2.26.orig/binutils/objcopy.c binutils-2.26/binutils/objcopy.c +--- binutils-2.26.orig/binutils/objcopy.c 2016-02-19 09:35:36.287000943 +0000 ++++ binutils-2.26/binutils/objcopy.c 2016-02-19 09:35:54.908106537 +0000 +@@ -1108,30 +1108,6 @@ is_specified_symbol (const char *name, h + return htab_find (htab, name) != NULL; + } + +-/* Return a pointer to the symbol used as a signature for GROUP. */ +- +-static asymbol * +-group_signature (asection *group) +-{ +- bfd *abfd = group->owner; +- Elf_Internal_Shdr *ghdr; +- +- if (bfd_get_flavour (abfd) != bfd_target_elf_flavour) +- return NULL; +- +- ghdr = &elf_section_data (group)->this_hdr; +- if (ghdr->sh_link < elf_numsections (abfd)) +- { +- const struct elf_backend_data *bed = get_elf_backend_data (abfd); +- Elf_Internal_Shdr *symhdr = elf_elfsections (abfd) [ghdr->sh_link]; +- +- if (symhdr->sh_type == SHT_SYMTAB +- && ghdr->sh_info < symhdr->sh_size / bed->s->sizeof_sym) +- return isympp[ghdr->sh_info - 1]; +- } +- return NULL; +-} +- + /* Return TRUE if the section is a DWO section. */ + + static bfd_boolean +@@ -1237,7 +1213,7 @@ is_strip_section (bfd *abfd ATTRIBUTE_UN + /* PR binutils/3181 + If we are going to strip the group signature symbol, then + strip the group section too. */ +- gsym = group_signature (sec); ++ gsym = bfd_group_signature (sec, isympp); + if (gsym != NULL) + gname = gsym->name; + else +@@ -3091,7 +3067,7 @@ setup_section (bfd *ibfd, sec_ptr isecti + + if ((isection->flags & SEC_GROUP) != 0) + { +- asymbol *gsym = group_signature (isection); ++ asymbol *gsym = bfd_group_signature (isection, isympp); + + if (gsym != NULL) + { +diff -rup binutils-2.26.orig/binutils/readelf.c binutils-2.26/binutils/readelf.c +--- binutils-2.26.orig/binutils/readelf.c 2016-02-19 09:35:36.295000988 +0000 ++++ binutils-2.26/binutils/readelf.c 2016-02-19 09:35:54.911106554 +0000 +@@ -3900,6 +3900,7 @@ get_section_type_name (unsigned int sh_t + case 0x7ffffffd: return "AUXILIARY"; + case 0x7fffffff: return "FILTER"; + case SHT_GNU_LIBLIST: return "GNU_LIBLIST"; ++ case SHT_GNU_OBJECT_ONLY: return "GNU_OBJECT_ONLY"; + + default: + if ((sh_type >= SHT_LOPROC) && (sh_type <= SHT_HIPROC)) +diff -rup binutils-2.26.orig/gas/testsuite/gas/elf/section9.d binutils-2.26/gas/testsuite/gas/elf/section9.d +--- binutils-2.26.orig/gas/testsuite/gas/elf/section9.d 2016-02-19 09:35:36.397001567 +0000 ++++ binutils-2.26/gas/testsuite/gas/elf/section9.d 2016-02-19 09:35:54.912106560 +0000 +@@ -4,4 +4,5 @@ + #... + [ ]*[.*][ ]+.gnu.lto_main[ ]+PROGBITS.*[ ]+E[ ]+.* + [ ]*[.*][ ]+.gnu.lto_.pureconst[ ]+PROGBITS.*[ ]+E[ ]+.* ++[ ]*[.*][ ]+.gnu_object_only[ ]+GNU_OBJECT_ONLY.*[ ]+E[ ]+.* + #pass +diff -rup binutils-2.26.orig/gas/testsuite/gas/elf/section9.s binutils-2.26/gas/testsuite/gas/elf/section9.s +--- binutils-2.26.orig/gas/testsuite/gas/elf/section9.s 2016-02-19 09:35:36.397001567 +0000 ++++ binutils-2.26/gas/testsuite/gas/elf/section9.s 2016-02-19 09:35:54.912106560 +0000 +@@ -2,3 +2,5 @@ + .byte 0,0,0,0 + .section .gnu.lto_.pureconst,"",%progbits + .byte 0,0,0,0 ++ .section .gnu_object_only ++ .byte 0,0,0,0 +diff -rup binutils-2.26.orig/include/bfdlink.h binutils-2.26/include/bfdlink.h +--- binutils-2.26.orig/include/bfdlink.h 2016-02-19 09:35:36.672003126 +0000 ++++ binutils-2.26/include/bfdlink.h 2016-02-19 09:35:54.913106566 +0000 +@@ -400,6 +400,12 @@ struct bfd_link_info + /* TRUE if ok to have multiple definition. */ + unsigned int allow_multiple_definition: 1; + ++ /* TRUE if .gnu_object_only section should be created. */ ++ unsigned int emit_gnu_object_only: 1; ++ ++ /* TRUE if .gnu_object_only section is being created. */ ++ unsigned int emitting_gnu_object_only: 1; ++ + /* TRUE if ok to have version with no definition. */ + unsigned int allow_undefined_version: 1; + +diff -rup binutils-2.26.orig/include/elf/common.h binutils-2.26/include/elf/common.h +--- binutils-2.26.orig/include/elf/common.h 2016-02-19 09:35:36.675003143 +0000 ++++ binutils-2.26/include/elf/common.h 2016-02-19 09:35:54.913106566 +0000 +@@ -478,6 +478,7 @@ + #define SHT_GNU_ATTRIBUTES 0x6ffffff5 /* Object attributes */ + #define SHT_GNU_HASH 0x6ffffff6 /* GNU style symbol hash table */ + #define SHT_GNU_LIBLIST 0x6ffffff7 /* List of prelink dependencies */ ++#define SHT_GNU_OBJECT_ONLY 0x6ffffff8 /* Object only */ + + /* The next three section types are defined by Solaris, and are named + SHT_SUNW*. We use them in GNU code, so we also define SHT_GNU* +diff -rup binutils-2.26.orig/ld/emultempl/aarch64elf.em binutils-2.26/ld/emultempl/aarch64elf.em +--- binutils-2.26.orig/ld/emultempl/aarch64elf.em 2016-02-19 09:35:36.698003274 +0000 ++++ binutils-2.26/ld/emultempl/aarch64elf.em 2016-02-19 09:35:54.914106571 +0000 +@@ -271,7 +271,7 @@ gld${EMULATION_NAME}_after_allocation (v + } + + static void +-gld${EMULATION_NAME}_finish (void) ++aarch64_finish (void) + { + if (!bfd_link_relocatable (&link_info)) + { +@@ -283,7 +283,7 @@ gld${EMULATION_NAME}_finish (void) + } + } + +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + + /* This is a convenient point to tell BFD about target specific flags. +@@ -435,4 +435,4 @@ LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS= + LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse + + # Call the extra arm-elf function +-LDEMUL_FINISH=gld${EMULATION_NAME}_finish ++LDEMUL_FINISH=aarch64_finish +diff -rup binutils-2.26.orig/ld/emultempl/alphaelf.em binutils-2.26/ld/emultempl/alphaelf.em +--- binutils-2.26.orig/ld/emultempl/alphaelf.em 2016-02-19 09:35:36.698003274 +0000 ++++ binutils-2.26/ld/emultempl/alphaelf.em 2016-02-19 09:35:54.914106571 +0000 +@@ -104,7 +104,7 @@ alpha_finish (void) + if (limit_32bit) + elf_elfheader (link_info.output_bfd)->e_flags |= EF_ALPHA_32BIT; + +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + EOF + +diff -rup binutils-2.26.orig/ld/emultempl/armelf.em binutils-2.26/ld/emultempl/armelf.em +--- binutils-2.26.orig/ld/emultempl/armelf.em 2016-02-19 09:35:36.698003274 +0000 ++++ binutils-2.26/ld/emultempl/armelf.em 2016-02-19 09:35:54.914106571 +0000 +@@ -377,7 +377,7 @@ gld${EMULATION_NAME}_after_allocation (v + } + + static void +-gld${EMULATION_NAME}_finish (void) ++arm_finish (void) + { + struct bfd_link_hash_entry * h; + +@@ -404,7 +404,7 @@ gld${EMULATION_NAME}_finish (void) + } + } + +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + + if (thumb_entry_symbol) + { +@@ -730,4 +730,4 @@ LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS= + LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse + + # Call the extra arm-elf function +-LDEMUL_FINISH=gld${EMULATION_NAME}_finish ++LDEMUL_FINISH=arm_finish +diff -rup binutils-2.26.orig/ld/emultempl/avrelf.em binutils-2.26/ld/emultempl/avrelf.em +--- binutils-2.26.orig/ld/emultempl/avrelf.em 2016-02-19 09:35:36.698003274 +0000 ++++ binutils-2.26/ld/emultempl/avrelf.em 2016-02-19 09:35:54.915106577 +0000 +@@ -209,7 +209,7 @@ avr_finish (void) + else + elf_elfheader (abfd)->e_flags &= ~EF_AVR_LINKRELAX_PREPARED; + +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + EOF + +diff -rup binutils-2.26.orig/ld/emultempl/elf32.em binutils-2.26/ld/emultempl/elf32.em +--- binutils-2.26.orig/ld/emultempl/elf32.em 2016-02-19 09:35:36.700003285 +0000 ++++ binutils-2.26/ld/emultempl/elf32.em 2016-02-19 09:35:54.915106577 +0000 +@@ -66,6 +66,7 @@ static void gld${EMULATION_NAME}_before_ + static void gld${EMULATION_NAME}_after_allocation (void); + static lang_output_section_statement_type *gld${EMULATION_NAME}_place_orphan + (asection *, const char *, int); ++static void gld${EMULATION_NAME}_finish (void); + EOF + + if [ "x${USE_LIBPATH}" = xyes ] ; then +@@ -1795,6 +1796,8 @@ output_rel_find (asection *sec, int isdy + return last; + } + ++static int orphan_init_done = 0; ++ + /* Place an orphan section. We use this to put random SHF_ALLOC + sections in the right segment. */ + +@@ -1803,7 +1806,7 @@ gld${EMULATION_NAME}_place_orphan (asect + const char *secname, + int constraint) + { +- static struct orphan_save hold[] = ++ static struct orphan_save orig_hold[] = + { + { ".text", + SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE, +@@ -1833,6 +1836,7 @@ gld${EMULATION_NAME}_place_orphan (asect + SEC_HAS_CONTENTS, + 0, 0, 0, 0 }, + }; ++ static struct orphan_save hold[ARRAY_SIZE (orig_hold)]; + enum orphan_save_index + { + orphan_text = 0, +@@ -1845,7 +1849,6 @@ gld${EMULATION_NAME}_place_orphan (asect + orphan_sdata, + orphan_nonalloc + }; +- static int orphan_init_done = 0; + struct orphan_save *place; + lang_output_section_statement_type *after; + lang_output_section_statement_type *os; +@@ -1924,15 +1927,22 @@ gld${EMULATION_NAME}_place_orphan (asect + + if (!orphan_init_done) + { +- struct orphan_save *ho; ++ struct orphan_save *ho, *horig; + + for (ho = hold; ho < hold + sizeof (hold) / sizeof (hold[0]); ++ho) ++ for (ho = hold, horig = orig_hold; ++ ho < hold + ARRAY_SIZE (hold); ++ ++ho, ++horig) ++ { ++ *ho = *horig; ++ if (ho->name != NULL) + if (ho->name != NULL) + { + ho->os = lang_output_section_find (ho->name); + if (ho->os != NULL && ho->os->flags == 0) + ho->os->flags = ho->flags; + } ++ } + orphan_init_done = 1; + } + +@@ -2017,6 +2027,27 @@ gld${EMULATION_NAME}_place_orphan (asect + EOF + fi + ++fragment <<EOF ++ ++/* Final emulation specific call. */ ++ ++static void ++gld${EMULATION_NAME}_finish (void) ++{ ++EOF ++if test x"$LDEMUL_PLACE_ORPHAN" != xgld"$EMULATION_NAME"_place_orphan; then ++fragment <<EOF ++ /* Support the object-only output. */ ++ if (link_info.emit_gnu_object_only) ++ orphan_init_done = 0; ++ ++EOF ++fi ++fragment <<EOF ++ finish_default (); ++} ++EOF ++ + if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then + fragment <<EOF + +@@ -2503,7 +2534,7 @@ struct ld_emulation_xfer_struct ld_${EMU + ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script}, + "${EMULATION_NAME}", + "${OUTPUT_FORMAT}", +- ${LDEMUL_FINISH-finish_default}, ++ ${LDEMUL_FINISH-gld${EMULATION_NAME}_finish}, + ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL}, + ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-gld${EMULATION_NAME}_open_dynamic_archive}, + ${LDEMUL_PLACE_ORPHAN-gld${EMULATION_NAME}_place_orphan}, +diff -rup binutils-2.26.orig/ld/emultempl/ppc32elf.em binutils-2.26/ld/emultempl/ppc32elf.em +--- binutils-2.26.orig/ld/emultempl/ppc32elf.em 2016-02-19 09:35:36.699003279 +0000 ++++ binutils-2.26/ld/emultempl/ppc32elf.em 2016-02-19 09:35:54.916106583 +0000 +@@ -215,7 +215,7 @@ ppc_finish (void) + { + if (params.ppc476_workaround) + lang_for_each_statement (no_zero_padding); +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + + EOF +diff -rup binutils-2.26.orig/ld/emultempl/ppc64elf.em binutils-2.26/ld/emultempl/ppc64elf.em +--- binutils-2.26.orig/ld/emultempl/ppc64elf.em 2016-02-19 09:35:36.699003279 +0000 ++++ binutils-2.26/ld/emultempl/ppc64elf.em 2016-02-19 09:35:54.916106583 +0000 +@@ -562,7 +562,7 @@ gld${EMULATION_NAME}_after_allocation (v + /* Final emulation specific call. */ + + static void +-gld${EMULATION_NAME}_finish (void) ++ppc_finish (void) + { + char *msg = NULL; + char *line, *endline; +@@ -594,7 +594,7 @@ gld${EMULATION_NAME}_finish (void) + free (msg); + + ppc64_elf_restore_symbols (&link_info); +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + + +@@ -928,4 +928,4 @@ LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS= + LDEMUL_AFTER_OPEN=ppc_after_open + LDEMUL_BEFORE_ALLOCATION=ppc_before_allocation + LDEMUL_AFTER_ALLOCATION=gld${EMULATION_NAME}_after_allocation +-LDEMUL_FINISH=gld${EMULATION_NAME}_finish ++LDEMUL_FINISH=ppc_finish +diff -rup binutils-2.26.orig/ld/emultempl/spuelf.em binutils-2.26/ld/emultempl/spuelf.em +--- binutils-2.26.orig/ld/emultempl/spuelf.em 2016-02-19 09:35:36.699003279 +0000 ++++ binutils-2.26/ld/emultempl/spuelf.em 2016-02-19 09:35:54.916106583 +0000 +@@ -416,7 +416,7 @@ spu_elf_relink (void) + /* Final emulation specific call. */ + + static void +-gld${EMULATION_NAME}_finish (void) ++spu_finish (void) + { + if (is_spu_target ()) + { +@@ -432,7 +432,7 @@ gld${EMULATION_NAME}_finish (void) + einfo ("%P: --auto-overlay ignored with zero local store range\n"); + } + +- finish_default (); ++ gld${EMULATION_NAME}_finish (); + } + + static char * +@@ -832,5 +832,5 @@ PARSE_AND_LIST_ARGS_CASES=' + + LDEMUL_AFTER_OPEN=spu_after_open + LDEMUL_BEFORE_ALLOCATION=spu_before_allocation +-LDEMUL_FINISH=gld${EMULATION_NAME}_finish ++LDEMUL_FINISH=spu_finish + LDEMUL_CHOOSE_TARGET=gld${EMULATION_NAME}_choose_target +diff -rup binutils-2.26.orig/ld/ldexp.c binutils-2.26/ld/ldexp.c +--- binutils-2.26.orig/ld/ldexp.c 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldexp.c 2016-02-19 09:35:54.917106588 +0000 +@@ -1616,14 +1616,15 @@ align_n (bfd_vma value, bfd_vma align) + } + + void +-ldexp_init (void) ++ldexp_init (bfd_boolean object_only) + { + /* The value "13" is ad-hoc, somewhat related to the expected number of + assignments in a linker script. */ +- if (!bfd_hash_table_init_n (&definedness_table, +- definedness_newfunc, +- sizeof (struct definedness_hash_entry), +- 13)) ++ if (!object_only ++ && !bfd_hash_table_init_n (&definedness_table, ++ definedness_newfunc, ++ sizeof (struct definedness_hash_entry), ++ 13)) + einfo (_("%P%F: can not create hash table: %E\n")); + } + +@@ -1658,7 +1659,8 @@ ldexp_finalize_syms (void) + } + + void +-ldexp_finish (void) ++ldexp_finish (bfd_boolean object_only) + { +- bfd_hash_table_free (&definedness_table); ++ if (!object_only) ++ bfd_hash_table_free (&definedness_table); + } +diff -rup binutils-2.26.orig/ld/ldexp.h binutils-2.26/ld/ldexp.h +--- binutils-2.26.orig/ld/ldexp.h 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldexp.h 2016-02-19 09:35:54.917106588 +0000 +@@ -229,8 +229,8 @@ fill_type *exp_get_fill + (etree_type *, fill_type *, char *); + bfd_vma exp_get_abs_int + (etree_type *, int, char *); +-void ldexp_init (void); ++void ldexp_init (bfd_boolean); + void ldexp_finalize_syms (void); +-void ldexp_finish (void); ++void ldexp_finish (bfd_boolean); + + #endif +diff -rup binutils-2.26.orig/ld/ldfile.c binutils-2.26/ld/ldfile.c +--- binutils-2.26.orig/ld/ldfile.c 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldfile.c 2016-02-19 09:35:54.918106594 +0000 +@@ -313,7 +313,9 @@ success: + && !no_more_claiming + && bfd_check_format (entry->the_bfd, bfd_object)) + plugin_maybe_claim (entry); ++ else + #endif /* ENABLE_PLUGINS */ ++ cmdline_check_object_only_section (entry->the_bfd, FALSE); + + /* It opened OK, the format checked out, and the plugins have had + their chance to claim it, so this is success. */ +diff -rup binutils-2.26.orig/ld/ldlang.c binutils-2.26/ld/ldlang.c +--- binutils-2.26.orig/ld/ldlang.c 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldlang.c 2016-02-19 09:35:54.921106611 +0000 +@@ -36,6 +36,7 @@ + #include "ldctor.h" + #include "ldfile.h" + #include "ldemul.h" ++#include "ldwrite.h" + #include "fnmatch.h" + #include "demangle.h" + #include "hashtab.h" +@@ -45,6 +46,9 @@ + #include "plugin.h" + #endif /* ENABLE_PLUGINS */ + ++/* FIXME: Put it here to avoid NAME conflict from ldgram.h. */ ++#include "elf-bfd.h" ++ + #ifndef offsetof + #define offsetof(TYPE, MEMBER) ((size_t) & (((TYPE*) 0)->MEMBER)) + #endif +@@ -68,6 +72,9 @@ static lang_statement_list_type *stat_sa + static lang_statement_list_type **stat_save_ptr = &stat_save[0]; + static struct unique_sections *unique_section_list; + static struct asneeded_minfo *asneeded_list_head; ++static cmdline_list_type cmdline_object_only_file_list; ++static cmdline_list_type cmdline_object_only_archive_list; ++static cmdline_list_type cmdline_temp_object_only_list; + + /* Forward declarations. */ + static void exp_init_os (etree_type *); +@@ -86,6 +93,10 @@ static void lang_do_version_exports_sect + static void lang_finalize_version_expr_head + (struct bfd_elf_version_expr_head *); + static void lang_do_memory_regions (void); ++static void cmdline_lists_init (void); ++static void cmdline_get_object_only_input_files (void); ++static void print_cmdline_list (cmdline_union_type *); ++static bfd_boolean cmdline_on_object_only_archive_list_p (bfd *); + + /* Exported variables. */ + const char *output_target; +@@ -1219,14 +1230,17 @@ output_section_statement_table_free (voi + /* Build enough state so that the parser can build its tree. */ + + void +-lang_init (void) ++lang_init (bfd_boolean object_only) + { +- obstack_begin (&stat_obstack, 1000); ++ if (!object_only) ++ obstack_begin (&stat_obstack, 1000); + + stat_ptr = &statement_list; + + output_section_statement_table_init (); + ++ cmdline_lists_init (); ++ + lang_list_init (stat_ptr); + + lang_list_init (&input_file_chain); +@@ -2843,6 +2857,12 @@ load_symbols (lang_input_statement_type + loaded = FALSE; + } + ++ if (link_info.emitting_gnu_object_only) ++ { ++ if (!cmdline_on_object_only_archive_list_p (member)) ++ continue; ++ } ++ + subsbfd = member; + if (!(*link_info.callbacks + ->add_archive_element) (&link_info, member, +@@ -6780,7 +6800,38 @@ lang_process (void) + open_input_bfds (statement_list.head, OPEN_BFD_RESCAN); + } + } ++ else + #endif /* ENABLE_PLUGINS */ ++ if (bfd_link_relocatable (&link_info)) ++ { ++ /* Check if .gnu_object_only section should be created. */ ++ bfd *p; ++ int object_type; ++ ++ object_type = 0; ++ for (p = link_info.input_bfds; p != (bfd *) NULL; p = p->link.next) ++ { ++ object_type |= 1 << p->lto_type; ++ if ((object_type & (1 << lto_mixed_object)) != 0 ++ || ((object_type ++ & (1 << lto_non_ir_object ++ | 1 << lto_ir_object)) ++ == (1 << lto_non_ir_object | 1 << lto_ir_object))) ++ { ++ link_info.emit_gnu_object_only = TRUE; ++ break; ++ } ++ } ++ ++ if (verbose ++ && (cmdline_object_only_file_list.head ++ || cmdline_object_only_archive_list.head)) ++ { ++ info_msg (_("Object-only input files:\n ")); ++ print_cmdline_list (cmdline_object_only_file_list.head); ++ print_cmdline_list (cmdline_object_only_archive_list.head); ++ } ++ } + + link_info.gc_sym_list = &entry_symbol; + if (entry_symbol.name == NULL) +@@ -8275,3 +8326,965 @@ lang_print_memory_usage (void) + printf (" %6.2f%%\n", percent); + } + } ++ ++static void ++cmdline_lists_init (void) ++{ ++ cmdline_object_only_file_list.tail ++ = &cmdline_object_only_file_list.head; ++ cmdline_object_only_archive_list.tail ++ = &cmdline_object_only_archive_list.head; ++ cmdline_temp_object_only_list.tail ++ = &cmdline_temp_object_only_list.head; ++} ++ ++/* Allocate an item with TYPE and DATA. */ ++ ++static cmdline_union_type * ++cmdline_list_new (cmdline_enum_type type, void *data) ++{ ++ cmdline_union_type *new_opt; ++ ++ new_opt = (cmdline_union_type *) stat_alloc (sizeof (*new_opt)); ++ new_opt->header.type = type; ++ switch (type) ++ { ++ default: ++ break; ++ case cmdline_is_file_enum: ++ new_opt->file.filename = (const char *) data; ++ break; ++ case cmdline_is_bfd_enum: ++ new_opt->abfd.abfd = (bfd *) data; ++ break; ++ } ++ return new_opt; ++} ++ ++/* Append an item with TYPE and DATA to LIST. */ ++ ++static void ++cmdline_list_append (cmdline_list_type *list, cmdline_enum_type type, ++ void *data) ++{ ++ cmdline_union_type *new_opt = cmdline_list_new (type, data); ++ new_opt->header.next = NULL; ++ *list->tail = new_opt; ++ list->tail = &new_opt->header.next; ++} ++ ++static void ++print_cmdline_list (cmdline_union_type *c) ++{ ++ for (; c != NULL; c = c->header.next) ++ switch (c->header.type) ++ { ++ default: ++ abort (); ++ case cmdline_is_file_enum: ++ info_msg (" %s", c->file.filename); ++ break; ++ case cmdline_is_bfd_enum: ++ info_msg (" [%B]", c->abfd.abfd); ++ break; ++ } ++ ++ info_msg ("\n"); ++} ++ ++/* Return TRUE if ABFD is on cmdline_object_only_archive_list. */ ++ ++static bfd_boolean ++cmdline_on_object_only_archive_list_p (bfd *abfd) ++{ ++ cmdline_union_type *c, *next; ++ bfd *archive, *obfd, *oarchive; ++ ufile_ptr origin = abfd->origin; ++ ++ archive = bfd_my_archive (abfd); ++ for (c = cmdline_object_only_archive_list.head; c != NULL; c = next) ++ { ++ if (c->header.type != cmdline_is_bfd_enum) ++ abort (); ++ ++ next = c->header.next; ++ obfd = c->abfd.abfd; ++ oarchive = bfd_my_archive (obfd); ++ ++ /* The list is grouped by archive file name and sorted by member ++ origin. */ ++ if (strcmp (archive->filename, oarchive->filename) != 0) ++ continue; ++ ++ if (origin == obfd->origin) ++ return TRUE; ++ else if (origin < obfd->origin) ++ return FALSE; ++ } ++ ++ return FALSE; ++} ++ ++/* Append an item with TYPE and DATA to cmdline_object_only_file_list ++ or cmdline_object_only_archive_list if needed. */ ++ ++static void ++cmdline_object_only_list_append (cmdline_enum_type type, void *data) ++{ ++ cmdline_union_type *c; ++ cmdline_union_type *new_opt, *next, **prev; ++ bfd *abfd, *archive; ++ bfd *obfd, *oarchive; ++ bfd *nbfd, *narchive; ++ ufile_ptr origin, norigin; ++ ++ /* Put it on cmdline_object_only_file_list if it isn't an archive ++ member. */ ++ switch (type) ++ { ++ default: ++ abort (); ++ case cmdline_is_bfd_enum: ++ abfd = (bfd *) data; ++ archive = bfd_my_archive (abfd); ++ if (archive) ++ break; ++ case cmdline_is_file_enum: ++ cmdline_list_append (&cmdline_object_only_file_list, type, data); ++ return; ++ } ++ ++ /* Put archive member on cmdline_object_only_archive_list and sort ++ the list by archive name and archive member origin. */ ++ new_opt = (cmdline_union_type *) stat_alloc (sizeof (*new_opt)); ++ new_opt->header.type = cmdline_is_bfd_enum; ++ new_opt->header.next = NULL; ++ new_opt->abfd.abfd = (bfd *) data; ++ ++ c = cmdline_object_only_archive_list.head; ++ if (c == NULL) ++ { ++ cmdline_object_only_archive_list.head = new_opt; ++ cmdline_object_only_archive_list.tail = &new_opt->header.next; ++ return; ++ } ++ ++ prev = NULL; ++ origin = abfd->origin; ++ for (; c != NULL; c = next) ++ { ++ if (c->header.type != cmdline_is_bfd_enum) ++ abort (); ++ ++ next = c->header.next; ++ ++ obfd = c->abfd.abfd; ++ oarchive = bfd_my_archive (obfd); ++ ++ if (strcmp (archive->filename, oarchive->filename) == 0) ++ { ++ bfd_boolean after; ++ ++ if (origin < obfd->origin) ++ { ++ /* Insert it before the current. */ ++ new_opt->header.next = c; ++ if (prev) ++ *prev = new_opt; ++ else ++ cmdline_object_only_archive_list.head = new_opt; ++ return; ++ } ++ ++ after = TRUE; ++ ++ /* Check origin. */ ++ while (next) ++ { ++ if (next->header.type != cmdline_is_bfd_enum) ++ abort (); ++ ++ nbfd = next->abfd.abfd; ++ norigin = nbfd->origin; ++ if (origin > norigin) ++ { ++ /* Insert it after NEXT. */ ++ break; ++ } ++ ++ narchive = bfd_my_archive (nbfd); ++ if (strcmp (archive->filename, narchive->filename) != 0) ++ { ++ /* Insert it befor NEXT. */ ++ after = FALSE; ++ break; ++ } ++ ++ c = next; ++ next = next->header.next; ++ } ++ ++ if (after && next) ++ { ++ c = next; ++ next = next->header.next; ++ } ++ ++ if (*cmdline_object_only_archive_list.tail == c->header.next) ++ cmdline_object_only_archive_list.tail ++ = &new_opt->header.next; ++ ++ prev = &c->header.next; ++ new_opt->header.next = next; ++ *prev = new_opt; ++ return; ++ } ++ ++ prev = &c->header.next; ++ } ++ ++ *cmdline_object_only_archive_list.tail = new_opt; ++ cmdline_object_only_archive_list.tail = &new_opt->header.next; ++} ++ ++/* Get object-only input files. */ ++ ++static void ++cmdline_get_object_only_input_files (void) ++{ ++ cmdline_union_type *c, *next; ++ bfd *abfd, *archive; ++ bfd *nbfd, *narchive; ++ ++ /* Add files first. */ ++ for (c = cmdline_object_only_file_list.head; ++ c != NULL; c = c->header.next) ++ switch (c->header.type) ++ { ++ default: ++ abort (); ++ case cmdline_is_file_enum: ++ lang_add_input_file (c->file.filename, ++ lang_input_file_is_file_enum, NULL); ++ break; ++ case cmdline_is_bfd_enum: ++ abfd = c->abfd.abfd; ++ if (bfd_my_archive (abfd)) ++ abort (); ++ lang_add_input_file (abfd->filename, ++ lang_input_file_is_file_enum, NULL); ++ break; ++ } ++ ++ /* Add archive members next. */ ++ for (c = cmdline_object_only_archive_list.head; c != NULL; c = next) ++ { ++ if (c->header.type != cmdline_is_bfd_enum) ++ abort (); ++ ++ next = c->header.next; ++ ++ abfd = c->abfd.abfd; ++ archive = bfd_my_archive (abfd); ++ ++ /* Add the first archive of the archive member group. */ ++ lang_add_input_file (archive->filename, ++ lang_input_file_is_file_enum, NULL); ++ ++ /* Skip the rest members in the archive member group. */ ++ do ++ { ++ if (!next) ++ break; ++ ++ if (next->header.type != cmdline_is_bfd_enum) ++ abort (); ++ ++ next = next->header.next; ++ if (!next) ++ break; ++ nbfd = next->abfd.abfd; ++ narchive = bfd_my_archive (nbfd); ++ } ++ while (strcmp (archive->filename, narchive->filename) == 0); ++ } ++} ++ ++struct cmdline_arg ++{ ++ bfd *obfd; ++ asymbol **isympp; ++ int status; ++}; ++ ++/* Create a section in OBFD with the same ++ name and attributes as ISECTION in IBFD. */ ++ ++static void ++setup_section (bfd *ibfd, sec_ptr isection, void *p) ++{ ++ struct cmdline_arg *arg = (struct cmdline_arg *) p; ++ bfd *obfd = arg->obfd; ++ asymbol **isympp = arg->isympp; ++ const char *name = isection->name; ++ sec_ptr osection; ++ const char *err; ++ ++ /* Skip the object-only section. */ ++ if (ibfd->object_only_section == isection) ++ return; ++ ++ /* If we have already failed earlier on, do not keep on generating ++ complaints now. */ ++ if (arg->status) ++ return; ++ ++ osection = bfd_make_section_anyway_with_flags (obfd, name, ++ isection->flags); ++ ++ if (osection == NULL) ++ { ++ err = _("failed to create output section"); ++ goto loser; ++ } ++ ++ osection->size = isection->size; ++ osection->vma = isection->vma; ++ osection->lma = isection->lma; ++ osection->alignment_power = isection->alignment_power; ++ ++ /* Copy merge entity size. */ ++ osection->entsize = isection->entsize; ++ ++ /* This used to be mangle_section; we do here to avoid using ++ bfd_get_section_by_name since some formats allow multiple ++ sections with the same name. */ ++ isection->output_section = osection; ++ isection->output_offset = 0; ++ ++ if ((isection->flags & SEC_GROUP) != 0) ++ { ++ asymbol *gsym = bfd_group_signature (isection, isympp); ++ ++ if (gsym != NULL) ++ { ++ gsym->flags |= BSF_KEEP; ++ if (ibfd->xvec->flavour == bfd_target_elf_flavour) ++ elf_group_id (isection) = gsym; ++ } ++ } ++ ++ /* Allow the BFD backend to copy any private data it understands ++ from the input section to the output section. */ ++ if (!bfd_copy_private_section_data (ibfd, isection, obfd, osection)) ++ { ++ err = _("failed to copy private data"); ++ goto loser; ++ } ++ ++ /* All went well. */ ++ return; ++ ++loser: ++ arg->status = 1; ++ einfo (_("%P%F: setup_section: %s: %s\n"), err, name); ++} ++ ++/* Copy the data of input section ISECTION of IBFD ++ to an output section with the same name in OBFD. ++ If stripping then don't copy any relocation info. */ ++ ++static void ++copy_section (bfd *ibfd, sec_ptr isection, void *p) ++{ ++ struct cmdline_arg *arg = (struct cmdline_arg *) p; ++ bfd *obfd = arg->obfd; ++ asymbol **isympp = arg->isympp; ++ arelent **relpp; ++ long relcount; ++ sec_ptr osection; ++ bfd_size_type size; ++ long relsize; ++ flagword flags; ++ const char *err; ++ ++ /* Skip the object-only section. */ ++ if (ibfd->object_only_section == isection) ++ return; ++ ++ /* If we have already failed earlier on, do not keep on generating ++ complaints now. */ ++ if (arg->status) ++ return; ++ ++ flags = bfd_get_section_flags (ibfd, isection); ++ if ((flags & SEC_GROUP) != 0) ++ return; ++ ++ osection = isection->output_section; ++ size = bfd_get_section_size (isection); ++ ++ if (size == 0 || osection == 0) ++ return; ++ ++ relsize = bfd_get_reloc_upper_bound (ibfd, isection); ++ ++ if (relsize < 0) ++ { ++ /* Do not complain if the target does not support relocations. */ ++ if (relsize == -1 ++ && bfd_get_error () == bfd_error_invalid_operation) ++ relsize = 0; ++ else ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ } ++ ++ if (relsize == 0) ++ bfd_set_reloc (obfd, osection, NULL, 0); ++ else ++ { ++ relpp = (arelent **) xmalloc (relsize); ++ relcount = bfd_canonicalize_reloc (ibfd, isection, relpp, isympp); ++ if (relcount < 0) ++ { ++ err = _("relocation count is negative"); ++ goto loser; ++ } ++ ++ bfd_set_reloc (obfd, osection, ++ relcount == 0 ? NULL : relpp, relcount); ++ if (relcount == 0) ++ free (relpp); ++ } ++ ++ if (bfd_get_section_flags (ibfd, isection) & SEC_HAS_CONTENTS) ++ { ++ bfd_byte *memhunk = NULL; ++ ++ if (!bfd_get_full_section_contents (ibfd, isection, &memhunk)) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ if (!bfd_set_section_contents (obfd, osection, memhunk, 0, size)) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ free (memhunk); ++ } ++ ++ /* All went well. */ ++ return; ++ ++loser: ++ einfo (_("%P%F: copy_section: %s: %s\n"), err, isection->name); ++} ++/* Open the temporary bfd created in the same directory as PATH. */ ++ ++static bfd * ++cmdline_fopen_temp (const char *path, const char *target, ++ const char *mode) ++{ ++#define template "ldXXXXXX" ++ const char *slash = strrchr (path, '/'); ++ char *tmpname; ++ size_t len; ++ int fd; ++ ++#ifdef HAVE_DOS_BASED_FILE_SYSTEM ++ { ++ /* We could have foo/bar\baz, or foo\bar, or d:bar. */ ++ char *bslash = strrchr (path, '\'); ++ ++ if (slash == NULL || (bslash != NULL && bslash > slash)) ++ slash = bslash; ++ if (slash == NULL && path[0] != '\0' && path[1] == ':') ++ slash = path + 1; ++ } ++#endif ++ ++ if (slash != (char *) NULL) ++ { ++ len = slash - path; ++ tmpname = (char *) xmalloc (len + sizeof (template) + 2); ++ memcpy (tmpname, path, len); ++ ++#ifdef HAVE_DOS_BASED_FILE_SYSTEM ++ /* If tmpname is "X:", appending a slash will make it a root ++ directory on drive X, which is NOT the same as the current ++ directory on drive X. */ ++ if (len == 2 && tmpname[1] == ':') ++ tmpname[len++] = '.'; ++#endif ++ tmpname[len++] = '/'; ++ } ++ else ++ { ++ tmpname = (char *) xmalloc (sizeof (template)); ++ len = 0; ++ } ++ ++ memcpy (tmpname + len, template, sizeof (template)); ++#undef template ++ ++#ifdef HAVE_MKSTEMP ++ fd = mkstemp (tmpname); ++#else ++ tmpname = mktemp (tmpname); ++ if (tmpname == NULL) ++ return NULL; ++ fd = open (tmpname, O_RDWR | O_CREAT | O_EXCL, 0600); ++#endif ++ if (fd == -1) ++ return NULL; ++ return bfd_fopen (tmpname, target, mode, fd); ++} ++ ++/* Add the object-only section. */ ++ ++static void ++cmdline_add_object_only_section (bfd_byte *contents, size_t size) ++{ ++ bfd_vma start; ++ flagword flags; ++ enum bfd_architecture iarch; ++ unsigned int imach; ++ long symcount; ++ long symsize; ++ asymbol **isympp = NULL; ++ asymbol **osympp = NULL; ++ bfd *obfd = NULL, *ibfd; ++ const char *err; ++ struct arg ++ { ++ bfd *obfd; ++ asymbol **isympp; ++ int status; ++ } arg; ++ char **matching; ++ char *ofilename = NULL; ++ asection *sec; ++ ++ ibfd = bfd_openr (output_filename, output_target); ++ if (!ibfd) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ if (!bfd_check_format_matches (ibfd, bfd_object, &matching)) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ obfd = cmdline_fopen_temp (output_filename, output_target, "w"); ++ if (!obfd) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ /* To be used after bfd_close (). */ ++ ofilename = xstrdup (bfd_get_filename (obfd)); ++ ++ if (!bfd_set_format (obfd, bfd_object)) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ /* Copy the start address, flags and architecture of input file to ++ output file. */ ++ flags = bfd_get_file_flags (ibfd); ++ start = bfd_get_start_address (ibfd); ++ iarch = bfd_get_arch (ibfd); ++ imach = bfd_get_mach (ibfd); ++ if (!bfd_set_start_address (obfd, start) ++ || !bfd_set_file_flags (obfd, flags) ++ || !bfd_set_arch_mach (obfd, iarch, imach)) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ symsize = bfd_get_symtab_upper_bound (ibfd); ++ if (symsize < 0) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ isympp = (asymbol **) xmalloc (symsize); ++ symcount = bfd_canonicalize_symtab (ibfd, isympp); ++ if (symcount < 0) ++ { ++ err = bfd_errmsg (bfd_get_error ()); ++ goto loser; ++ } ++ ++ arg.obfd = obfd; ++ arg.isympp = isympp; ++ arg.status = 0; ++ ++ /* BFD mandates that all output sections be created and sizes set before ++ any output is done. Thus, we traverse all sections multiple times. */ ++ bfd_map_over_sections (ibfd, setup_section, &arg); ++ ++ if (arg.status) ++ { ++ err = _("error setting up sections"); ++ goto loser; ++ } ++ ++ /* Allow the BFD backend to copy any private data it understands ++ from the input section to the output section. */ ++ if (! bfd_copy_private_header_data (ibfd, obfd)) ++ { ++ err = _("error copying private header data"); ++ goto loser; ++ } ++ ++ /* Create the object-only section. */ ++ sec = bfd_make_section_with_flags (obfd, ++ GNU_OBJECT_ONLY_SECTION_NAME, ++ (SEC_HAS_CONTENTS ++ | SEC_READONLY ++ | SEC_DATA ++ | SEC_LINKER_CREATED)); ++ if (sec == NULL) ++ { ++ err = _("can't create object-only section"); ++ goto loser; ++ } ++ ++ if (! bfd_set_section_size (obfd, sec, size)) ++ { ++ err = _("can't set object-only section size"); ++ goto loser; ++ } ++ ++ if (ibfd->object_only_section) ++ { ++ /* Filter out the object-only section symbol. */ ++ long src_count = 0, dst_count = 0; ++ asymbol **from, **to; ++ ++ osympp = (asymbol **) xmalloc (symcount * sizeof (asymbol *)); ++ from = isympp; ++ to = osympp; ++ for (; src_count < symcount; src_count++) ++ { ++ asymbol *sym = from[src_count]; ++ if (bfd_get_section (sym) != ibfd->object_only_section) ++ to[dst_count++] = sym; ++ } ++ to[dst_count] = NULL; ++ symcount = dst_count; ++ bfd_set_symtab (obfd, osympp, symcount); ++ } ++ else ++ bfd_set_symtab (obfd, isympp, symcount); ++ ++ /* This has to happen after the symbol table has been set. */ ++ bfd_map_over_sections (ibfd, copy_section, &arg); ++ ++ if (arg.status) ++ { ++ err = _("error copying sections"); ++ goto loser; ++ } ++ ++ /* Copy the object-only section to the output. */ ++ if (! bfd_set_section_contents (obfd, sec, contents, 0, size)) ++ { ++ err = _("error adding object-only section"); ++ goto loser; ++ } ++ ++ /* Allow the BFD backend to copy any private data it understands ++ from the input BFD to the output BFD. This is done last to ++ permit the routine to look at the filtered symbol table, which is ++ important for the ECOFF code at least. */ ++ if (! bfd_copy_private_bfd_data (ibfd, obfd)) ++ { ++ err = _("error copying private BFD data"); ++ goto loser; ++ } ++ ++ if (!bfd_close (obfd)) ++ { ++ unlink (ofilename); ++ einfo (_("%P%F: failed to finish output with object-only section\n")); ++ } ++ ++ /* Must be freed after bfd_close (). */ ++ free (isympp); ++ if (osympp) ++ free (osympp); ++ ++ if (rename (ofilename, output_filename)) ++ { ++ unlink (ofilename); ++ einfo (_("%P%F: failed to rename output with object-only section\n")); ++ } ++ ++ free (ofilename); ++ return; ++ ++loser: ++ if (isympp) ++ free (isympp); ++ if (osympp) ++ free (osympp); ++ if (obfd) ++ bfd_close (obfd); ++ if (ofilename) ++ unlink (ofilename); ++ einfo (_("%P%F: failed to add object-only section: %s\n"), err); ++} ++ ++/* Emit the final output with object-only section. */ ++ ++void ++cmdline_emit_object_only_section (void) ++{ ++ const char *saved_output_filename = output_filename; ++ int fd; ++ size_t size, off; ++ bfd_byte *contents; ++ struct stat st; ++ ++ /* Get a temporary object-only file. */ ++ output_filename = make_temp_file (".obj-only.o"); ++ ++ had_output_filename = FALSE; ++ link_info.input_bfds = NULL; ++ link_info.input_bfds_tail = &link_info.input_bfds; ++ ++ lang_init (TRUE); ++ ldexp_init (TRUE); ++ ++ ld_parse_linker_script (); ++ ++ /* Set up the object-only output. */ ++ lang_final (); ++ ++ /* Open the object-only file for output. */ ++ lang_for_each_statement (ldlang_open_output); ++ ++ ldemul_create_output_section_statements (); ++ ++ if (!bfd_section_already_linked_table_init ()) ++ einfo (_("%P%F: Failed to create hash table\n")); ++ ++ /* Call cmdline_on_object_only_archive_list_p to check which member ++ should be loaded. */ ++ input_flags.whole_archive = TRUE; ++ ++ /* Set it to avoid adding more to cmdline lists. */ ++ link_info.emitting_gnu_object_only = TRUE; ++ ++ /* Get object-only input files. */ ++ cmdline_get_object_only_input_files (); ++ ++ /* Open object-only input files. */ ++ open_input_bfds (statement_list.head, FALSE); ++ ++ ldemul_after_open (); ++ ++ bfd_section_already_linked_table_free (); ++ ++ /* Make sure that we're not mixing architectures. We call this ++ after all the input files have been opened, but before we do any ++ other processing, so that any operations merge_private_bfd_data ++ does on the output file will be known during the rest of the ++ link. */ ++ lang_check (); ++ ++ /* Size up the common data. */ ++ lang_common (); ++ ++ /* Update wild statements. */ ++ update_wild_statements (statement_list.head); ++ ++ /* Run through the contours of the script and attach input sections ++ to the correct output sections. */ ++ map_input_to_output_sections (statement_list.head, NULL, NULL); ++ ++ /* Find any sections not attached explicitly and handle them. */ ++ lang_place_orphans (); ++ ++ /* Do anything special before sizing sections. This is where ELF ++ and other back-ends size dynamic sections. */ ++ ldemul_before_allocation (); ++ ++ /* Size up the sections. */ ++ lang_size_sections (NULL, ! RELAXATION_ENABLED); ++ ++ /* See if anything special should be done now we know how big ++ everything is. This is where relaxation is done. */ ++ ldemul_after_allocation (); ++ ++ ldemul_finish (); ++ ++ /* Make sure that the section addresses make sense. */ ++ if (command_line.check_section_addresses) ++ lang_check_section_addresses (); ++ ++ lang_end (); ++ ++ ldwrite (); ++ ++ ldexp_finish (TRUE); ++ lang_finish (); ++ ++ if (! bfd_close (link_info.output_bfd)) ++ einfo (_("%P%F:%s: final close failed on object-only output: %E\n"), ++ output_filename); ++ ++ /* Read in the object-only file. */ ++ fd = open (output_filename, O_RDONLY | O_BINARY); ++ if (fd < 0) ++ { ++ bfd_set_error (bfd_error_system_call); ++ einfo (_("%P%F:%s: cannot open object-only output: %E"), ++ output_filename); ++ } ++ ++ /* Get the object-only file size. */ ++ if (fstat (fd, &st) != 0) ++ { ++ bfd_set_error (bfd_error_system_call); ++ einfo (_("%P%F:%s: cannot stat object-only output: %E"), ++ output_filename); ++ } ++ ++ size = st.st_size; ++ off = 0; ++ contents = (bfd_byte *) xmalloc (size); ++ while (off != size) ++ { ++ ssize_t got; ++ ++ got = read (fd, contents + off, size - off); ++ if (got < 0) ++ { ++ bfd_set_error (bfd_error_system_call); ++ einfo (_("%P%F:%s: read failed on object-only output: %E"), ++ output_filename); ++ } ++ ++ off += got; ++ } ++ ++ close (fd); ++ ++ /* Remove the temporary object-only file. */ ++ unlink (output_filename); ++ ++ output_filename = saved_output_filename; ++ ++ cmdline_add_object_only_section (contents, size); ++ ++ free (contents); ++} ++ ++/* Extract the object-only section. */ ++ ++static const char * ++cmdline_extract_object_only_section (bfd *abfd) ++{ ++ const char *name = bfd_extract_object_only_section (abfd); ++ ++ if (name == NULL) ++ einfo (_("%P%F: cannot extract object-only section from %B: %E"), ++ abfd); ++ ++ /* It should be removed after it is done. */ ++ cmdline_list_append (&cmdline_temp_object_only_list, ++ cmdline_is_file_enum, (void *) name); ++ ++ return name; ++} ++ ++/* Check and handle the object-only section. */ ++ ++void ++cmdline_check_object_only_section (bfd *abfd, bfd_boolean lto) ++{ ++ const char *filename; ++ ++ if (link_info.emitting_gnu_object_only ++ || abfd->format != bfd_object) ++ return; ++ ++ if (lto) ++ { ++ /* For LTO link, we only need to extract object-only section ++ from the mixed object, add it to input, and put it on LTO ++ claimed output. */ ++ switch (abfd->lto_type) ++ { ++ default: ++ abort (); ++ case lto_mixed_object: ++ filename = cmdline_extract_object_only_section (abfd); ++ lang_add_input_file (filename, ++ lang_input_file_is_file_enum, NULL); ++ break; ++ case lto_non_ir_object: ++ case lto_ir_object: ++ break; ++ } ++ } ++ else if (bfd_link_relocatable (&link_info)) ++ { ++ /* For non-LTO relocatable link, we need to append non-IR object ++ file and the object file in object-only section to the object ++ only list. */ ++ switch (abfd->lto_type) ++ { ++ default: ++ abort (); ++ case lto_mixed_object: ++ filename = cmdline_extract_object_only_section (abfd); ++ cmdline_object_only_list_append (cmdline_is_file_enum, ++ (void *) filename); ++ break; ++ case lto_non_ir_object: ++ cmdline_object_only_list_append (cmdline_is_bfd_enum, abfd); ++ break; ++ case lto_ir_object: ++ break; ++ } ++ } ++} ++ ++/* Remove temporary object-only files. */ ++ ++void ++cmdline_remove_object_only_files (void) ++{ ++ cmdline_union_type *c; ++ ++#ifdef ENABLE_PLUGINS ++ if (plugin_save_temps) ++ return; ++#endif ++ ++ c = cmdline_temp_object_only_list.head; ++ for (; c != NULL; c = c->header.next) ++ switch (c->header.type) ++ { ++ default: ++ abort (); ++ case cmdline_is_file_enum: ++ unlink (c->file.filename); ++ break; ++ } ++} +diff -rup binutils-2.26.orig/ld/ldlang.h binutils-2.26/ld/ldlang.h +--- binutils-2.26.orig/ld/ldlang.h 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldlang.h 2016-02-19 09:35:54.921106611 +0000 +@@ -517,7 +517,7 @@ extern struct asneeded_minfo **asneeded_ + extern void (*output_bfd_hash_table_free_fn) (struct bfd_link_hash_table *); + + extern void lang_init +- (void); ++ (bfd_boolean); + extern void lang_finish + (void); + extern lang_memory_region_type * lang_memory_region_lookup +@@ -693,4 +693,45 @@ lang_ld_feature (char *); + extern void + lang_print_memory_usage (void); + ++typedef enum ++{ ++ cmdline_is_file_enum, ++ cmdline_is_bfd_enum ++} cmdline_enum_type; ++ ++typedef struct cmdline_header_struct ++{ ++ union cmdline_union *next; ++ cmdline_enum_type type; ++} cmdline_header_type; ++ ++typedef struct cmdline_file_struct ++{ ++ cmdline_header_type header; ++ const char *filename; ++} cmdline_file_type; ++ ++typedef struct cmdline_bfd_struct ++{ ++ cmdline_header_type header; ++ bfd *abfd; ++} cmdline_bfd_type; ++ ++typedef union cmdline_union ++{ ++ cmdline_header_type header; ++ cmdline_file_type file; ++ cmdline_bfd_type abfd; ++} cmdline_union_type; ++ ++typedef struct cmdline_list ++{ ++ cmdline_union_type *head; ++ cmdline_union_type **tail; ++} cmdline_list_type; ++ ++extern void cmdline_emit_object_only_section (void); ++extern void cmdline_check_object_only_section (bfd *, bfd_boolean); ++extern void cmdline_remove_object_only_files (void); ++ + #endif +diff -rup binutils-2.26.orig/ld/ldlex.h binutils-2.26/ld/ldlex.h +--- binutils-2.26.orig/ld/ldlex.h 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldlex.h 2016-02-19 09:35:54.921106611 +0000 +@@ -134,6 +134,7 @@ enum option_values + #ifdef ENABLE_PLUGINS + OPTION_PLUGIN, + OPTION_PLUGIN_OPT, ++ OPTION_PLUGIN_SAVE_TEMPS, + #endif /* ENABLE_PLUGINS */ + OPTION_DEFAULT_SCRIPT, + OPTION_PRINT_OUTPUT_FORMAT, +diff -rup binutils-2.26.orig/ld/ldmain.c binutils-2.26/ld/ldmain.c +--- binutils-2.26.orig/ld/ldmain.c 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldmain.c 2016-02-19 09:35:54.922106617 +0000 +@@ -219,6 +219,9 @@ main (int argc, char **argv) + + xatexit (ld_cleanup); + ++ /* Remove temporary object-only files. */ ++ xatexit (cmdline_remove_object_only_files); ++ + /* Set up the sysroot directory. */ + ld_sysroot = get_sysroot (argc, argv); + if (*ld_sysroot) +@@ -291,8 +294,8 @@ main (int argc, char **argv) + default_target = ldemul_choose_target (argc, argv); + config.maxpagesize = bfd_emul_get_maxpagesize (default_target); + config.commonpagesize = bfd_emul_get_commonpagesize (default_target); +- lang_init (); +- ldexp_init (); ++ lang_init (FALSE); ++ ldexp_init (FALSE); + ldemul_before_parse (); + lang_has_input_file = FALSE; + parse_args (argc, argv); +@@ -307,34 +310,7 @@ main (int argc, char **argv) + + ldemul_set_symbols (); + +- /* If we have not already opened and parsed a linker script, +- try the default script from command line first. */ +- if (saved_script_handle == NULL +- && command_line.default_script != NULL) +- { +- ldfile_open_command_file (command_line.default_script); +- parser_input = input_script; +- yyparse (); +- } +- +- /* If we have not already opened and parsed a linker script +- read the emulation's appropriate default script. */ +- if (saved_script_handle == NULL) +- { +- int isfile; +- char *s = ldemul_get_script (&isfile); +- +- if (isfile) +- ldfile_open_default_command_file (s); +- else +- { +- lex_string = s; +- lex_redirect (s, _("built in linker script"), 1); +- } +- parser_input = input_script; +- yyparse (); +- lex_string = NULL; +- } ++ ld_parse_linker_script (); + + if (verbose) + { +@@ -445,7 +421,7 @@ main (int argc, char **argv) + fprintf (stderr, "lookup = %p val %lx\n", h, h ? h->u.def.value : 1); + } + #endif +- ldexp_finish (); ++ ldexp_finish (FALSE); + lang_finish (); + + /* Even if we're producing relocatable output, some non-fatal errors should +@@ -465,6 +441,8 @@ main (int argc, char **argv) + if (! bfd_close (link_info.output_bfd)) + einfo (_("%F%B: final close failed: %E\n"), link_info.output_bfd); + ++ link_info.output_bfd = NULL; ++ + /* If the --force-exe-suffix is enabled, and we're making an + executable file and it doesn't end in .exe, copy it to one + which does. */ +@@ -512,6 +490,9 @@ main (int argc, char **argv) + } + } + ++ if (link_info.emit_gnu_object_only) ++ cmdline_emit_object_only_section (); ++ + END_PROGRESS (program_name); + + if (config.stats) +@@ -805,7 +786,9 @@ add_archive_element (struct bfd_link_inf + *subsbfd = input->the_bfd; + } + } ++ else + #endif /* ENABLE_PLUGINS */ ++ cmdline_check_object_only_section (input->the_bfd, FALSE); + + ldlang_add_file (input); + +@@ -1484,3 +1467,38 @@ notice (struct bfd_link_info *info, + + return TRUE; + } ++ ++/* Parse the linker script. */ ++ ++void ++ld_parse_linker_script () ++{ ++ /* If we have not already opened and parsed a linker script, ++ try the default script from command line first. */ ++ if (saved_script_handle == NULL ++ && command_line.default_script != NULL) ++ { ++ ldfile_open_command_file (command_line.default_script); ++ parser_input = input_script; ++ yyparse (); ++ } ++ ++ /* If we have not already opened and parsed a linker script ++ read the emulation's appropriate default script. */ ++ if (saved_script_handle == NULL) ++ { ++ int isfile; ++ char *s = ldemul_get_script (&isfile); ++ ++ if (isfile) ++ ldfile_open_default_command_file (s); ++ else ++ { ++ lex_string = s; ++ lex_redirect (s, _("built in linker script"), 1); ++ } ++ parser_input = input_script; ++ yyparse (); ++ lex_string = NULL; ++ } ++} +diff -rup binutils-2.26.orig/ld/ldmain.h binutils-2.26/ld/ldmain.h +--- binutils-2.26.orig/ld/ldmain.h 2016-02-19 09:35:36.701003291 +0000 ++++ binutils-2.26/ld/ldmain.h 2016-02-19 09:35:54.922106617 +0000 +@@ -59,4 +59,6 @@ extern void add_wrap (const char *); + extern void add_ignoresym (struct bfd_link_info *, const char *); + extern void add_keepsyms_file (const char *); + ++extern void ld_parse_linker_script (void); ++ + #endif +diff -rup binutils-2.26.orig/ld/lexsup.c binutils-2.26/ld/lexsup.c +--- binutils-2.26.orig/ld/lexsup.c 2016-02-19 09:35:36.700003285 +0000 ++++ binutils-2.26/ld/lexsup.c 2016-02-19 09:35:54.923106623 +0000 +@@ -169,6 +169,9 @@ static const struct ld_option ld_options + '\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH }, + { {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT}, + '\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH }, ++ { {"plugin-save-temps", no_argument, NULL, OPTION_PLUGIN_SAVE_TEMPS}, ++ '\0', NULL, N_("Store plugin intermediate files permanently"), ++ ONE_DASH }, + { {"flto", optional_argument, NULL, OPTION_IGNORE}, + '\0', NULL, N_("Ignored for GCC LTO option compatibility"), + ONE_DASH }, +@@ -1020,6 +1023,9 @@ parse_args (unsigned argc, char **argv) + if (plugin_opt_plugin_arg (optarg)) + einfo (_("%P%F: bad -plugin-opt option\n")); + break; ++ case OPTION_PLUGIN_SAVE_TEMPS: ++ plugin_save_temps = TRUE; ++ break; + #endif /* ENABLE_PLUGINS */ + case 'q': + link_info.emitrelocations = TRUE; +diff -rup binutils-2.26.orig/ld/plugin.c binutils-2.26/ld/plugin.c +--- binutils-2.26.orig/ld/plugin.c 2016-02-19 09:35:36.702003296 +0000 ++++ binutils-2.26/ld/plugin.c 2016-02-19 09:35:54.923106623 +0000 +@@ -57,6 +57,9 @@ extern int errno; + /* Report plugin symbols. */ + bfd_boolean report_plugin_symbols; + ++/* Store plugin intermediate files permanently. */ ++bfd_boolean plugin_save_temps; ++ + /* The suffix to append to the name of the real (claimed) object file + when generating a dummy BFD to hold the IR symbols sent from the + plugin. For cosmetic use only; appears in maps, crefs etc. */ +@@ -1182,6 +1185,9 @@ plugin_maybe_claim (lang_input_statement + { + bfd *abfd = entry->the_bfd->plugin_dummy_bfd; + ++ /* Check object only section. */ ++ cmdline_check_object_only_section (entry->the_bfd, TRUE); ++ + /* Discard the real file's BFD and substitute the dummy one. */ + + /* BFD archive handling caches elements so we can't call +@@ -1227,14 +1233,17 @@ plugin_call_cleanup (void) + { + if (curplug->cleanup_handler && !curplug->cleanup_done) + { +- enum ld_plugin_status rv; +- curplug->cleanup_done = TRUE; +- called_plugin = curplug; +- rv = (*curplug->cleanup_handler) (); +- called_plugin = NULL; +- if (rv != LDPS_OK) +- info_msg (_("%P: %s: error in plugin cleanup: %d (ignored)\n"), +- curplug->name, rv); ++ if (!plugin_save_temps) ++ { ++ enum ld_plugin_status rv; ++ curplug->cleanup_done = TRUE; ++ called_plugin = curplug; ++ rv = (*curplug->cleanup_handler) (); ++ called_plugin = NULL; ++ if (rv != LDPS_OK) ++ info_msg (_("%P: %s: error in plugin cleanup: %d (ignored)\n"), ++ curplug->name, rv); ++ } + dlclose (curplug->dlhandle); + } + curplug = curplug->next; +diff -rup binutils-2.26.orig/ld/plugin.h binutils-2.26/ld/plugin.h +--- binutils-2.26.orig/ld/plugin.h 2016-02-19 09:35:36.702003296 +0000 ++++ binutils-2.26/ld/plugin.h 2016-02-19 09:35:54.924106628 +0000 +@@ -24,6 +24,9 @@ + /* Report plugin symbols. */ + extern bfd_boolean report_plugin_symbols; + ++/* Store plugin intermediate files permanently. */ ++extern bfd_boolean plugin_save_temps; ++ + /* Set at all symbols read time, to avoid recursively offering the plugin + its own newly-added input files and libs to claim. */ + extern bfd_boolean no_more_claiming; +diff -rup binutils-2.26.orig/ld/scripttempl/armbpabi.sc binutils-2.26/ld/scripttempl/armbpabi.sc +--- binutils-2.26.orig/ld/scripttempl/armbpabi.sc 2016-02-19 09:35:36.704003308 +0000 ++++ binutils-2.26/ld/scripttempl/armbpabi.sc 2016-02-19 09:35:54.924106628 +0000 +@@ -36,7 +36,7 @@ INTERP=".interp 0 : { *(.interp) } + PLT=".plt ${RELOCATING-0} : { *(.plt) }" + RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" + DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" + if test -z "${NO_SMALL_DATA}"; then + SBSS=".sbss ${RELOCATING-0} : + { +diff -rup binutils-2.26.orig/ld/scripttempl/elf32sh-symbian.sc binutils-2.26/ld/scripttempl/elf32sh-symbian.sc +--- binutils-2.26.orig/ld/scripttempl/elf32sh-symbian.sc 2016-02-19 09:35:36.705003313 +0000 ++++ binutils-2.26/ld/scripttempl/elf32sh-symbian.sc 2016-02-19 09:35:54.925106634 +0000 +@@ -88,7 +88,7 @@ fi + PLT=".plt : { *(.plt) } :dynamic :dyn" + DYNAMIC=".dynamic : { *(.dynamic) } :dynamic :dyn" + RODATA=".rodata ALIGN(4) : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.directive) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.directive) *(.gnu.lto_*) *(.gnu_object_only) }" + test -z "$GOT" && GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) } :dynamic :dyn" + INIT_ARRAY=".init_array ${RELOCATING-0} : + { +diff -rup binutils-2.26.orig/ld/scripttempl/elf64hppa.sc binutils-2.26/ld/scripttempl/elf64hppa.sc +--- binutils-2.26.orig/ld/scripttempl/elf64hppa.sc 2016-02-19 09:35:36.705003313 +0000 ++++ binutils-2.26/ld/scripttempl/elf64hppa.sc 2016-02-19 09:35:54.925106634 +0000 +@@ -132,7 +132,7 @@ fi + DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" + RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" + DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" + if test -z "${NO_SMALL_DATA}"; then + SBSS=".sbss ${RELOCATING-0} : + { +diff -rup binutils-2.26.orig/ld/scripttempl/elf.sc binutils-2.26/ld/scripttempl/elf.sc +--- binutils-2.26.orig/ld/scripttempl/elf.sc 2016-02-19 09:35:36.705003313 +0000 ++++ binutils-2.26/ld/scripttempl/elf.sc 2016-02-19 09:35:54.924106628 +0000 +@@ -170,7 +170,7 @@ RELA_IPLT=".rela.iplt ${RELOCATING-0} + DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" + RODATA=".${RODATA_NAME} ${RELOCATING-0} : { *(.${RODATA_NAME}${RELOCATING+ .${RODATA_NAME}.* .gnu.linkonce.r.*}) }" + DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" + if test -z "${NO_SMALL_DATA}"; then + SBSS=".${SBSS_NAME} ${RELOCATING-0} : + { +diff -rup binutils-2.26.orig/ld/scripttempl/elfxtensa.sc binutils-2.26/ld/scripttempl/elfxtensa.sc +--- binutils-2.26.orig/ld/scripttempl/elfxtensa.sc 2016-02-19 09:35:36.705003313 +0000 ++++ binutils-2.26/ld/scripttempl/elfxtensa.sc 2016-02-19 09:35:54.925106634 +0000 +@@ -145,7 +145,7 @@ fi + DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" + RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" + DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" + INIT_LIT=".init.literal 0 : { *(.init.literal) }" + INIT=".init 0 : { *(.init) }" + FINI_LIT=".fini.literal 0 : { *(.fini.literal) }" +diff -rup binutils-2.26.orig/ld/scripttempl/mep.sc binutils-2.26/ld/scripttempl/mep.sc +--- binutils-2.26.orig/ld/scripttempl/mep.sc 2016-02-19 09:35:36.706003319 +0000 ++++ binutils-2.26/ld/scripttempl/mep.sc 2016-02-19 09:35:54.926106640 +0000 +@@ -119,7 +119,7 @@ fi + DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" + RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }" + DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro .data.rel.ro.*) }" +-DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" ++DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) *(.gnu_object_only) }" + if test -z "${NO_SMALL_DATA}"; then + SBSS=".sbss ${RELOCATING-0} : + { +diff -rup binutils-2.26.orig/ld/scripttempl/pep.sc binutils-2.26/ld/scripttempl/pep.sc +--- binutils-2.26.orig/ld/scripttempl/pep.sc 2016-02-19 09:35:36.706003319 +0000 ++++ binutils-2.26/ld/scripttempl/pep.sc 2016-02-19 09:35:54.926106640 +0000 +@@ -178,6 +178,7 @@ SECTIONS + *(.drectve) + ${RELOCATING+ *(.note.GNU-stack)} + ${RELOCATING+ *(.gnu.lto_*)} ++ ${RELOCATING+ *(.gnu_object_only)} + } + + .idata ${RELOCATING+BLOCK(__section_alignment__)} : +diff -rup binutils-2.26.orig/ld/scripttempl/pe.sc binutils-2.26/ld/scripttempl/pe.sc +--- binutils-2.26.orig/ld/scripttempl/pe.sc 2016-02-19 09:35:36.706003319 +0000 ++++ binutils-2.26/ld/scripttempl/pe.sc 2016-02-19 09:35:54.926106640 +0000 +@@ -165,6 +165,7 @@ SECTIONS + *(.drectve) + ${RELOCATING+ *(.note.GNU-stack)} + ${RELOCATING+ *(.gnu.lto_*)} ++ ${RELOCATING+ *(.gnu_object_only)} + } + + .idata ${RELOCATING+BLOCK(__section_alignment__)} : +diff -rup binutils-2.26.orig/ld/testsuite/ld-plugin/lto.exp binutils-2.26/ld/testsuite/ld-plugin/lto.exp +--- binutils-2.26.orig/ld/testsuite/ld-plugin/lto.exp 2016-02-19 09:35:36.807003892 +0000 ++++ binutils-2.26/ld/testsuite/ld-plugin/lto.exp 2016-02-19 09:36:15.450223025 +0000 +@@ -79,6 +79,15 @@ set lto_link_tests [list \ + [list "Build liblto-3.a" \ + "" "-flto $lto_fat" \ + {lto-3b.c} {} "liblto-3.a"] \ ++ [list "Compile 4a" \ ++ "" "-flto $lto_fat" \ ++ {lto-4a.c} {} ""] \ ++ [list "Compile 4b" \ ++ "" "-O2" \ ++ {lto-4b.c} {} ""] \ ++ [list "Compile 4c" \ ++ "" "-O2" \ ++ {lto-4c.c} {} ""] \ + [list "Compile 5a" \ + "" "-flto $lto_fat" \ + {lto-5a.c} {} ""] \ +@@ -94,6 +103,12 @@ set lto_link_tests [list \ + [list "Compile 9" \ + "" "-O2 -finline -flto" \ + {lto-9.cc} {} "" "c++"] \ ++ [list "Compile 10a" \ ++ "" "-O2" \ ++ {lto-10a.c} {} ""] \ ++ [list "Compile 10b" \ ++ "" "-O2 -flto $lto_fat" \ ++ {lto-10b.c} {} ""] \ + [list "Compile 11a" \ + "" "-O -flto" \ + {lto-11a.c} {} ""] \ +@@ -291,9 +306,21 @@ set lto_run_tests [list \ + [list "LTO 3c" \ + "-O2 -flto -fuse-linker-plugin tmpdir/lto-3a.o tmpdir/lto-3c.o -Wl,--whole-archive tmpdir/liblto-3.a -Wl,--no-whole-archive tmpdir/liblto-3.a" "" \ + {dummy.c} "lto-3d.exe" "lto-3.out" "" "c"] \ ++ [list "LTO 4a" \ ++ "-O2 -flto -fuse-linker-plugin tmpdir/lto-4r-a.o" "" \ ++ {dummy.c} "lto-4a.exe" "lto-4.out" "" "c"] \ ++ [list "LTO 4c" \ ++ "-O2 -flto -fuse-linker-plugin tmpdir/lto-4r-c.o" "" \ ++ {dummy.c} "lto-4c.exe" "lto-4.out" "" "c"] \ ++ [list "LTO 4d" \ ++ "-O2 -flto -fuse-linker-plugin tmpdir/lto-4r-d.o" "" \ ++ {dummy.c} "lto-4d.exe" "lto-4.out" "" "c"] \ + [list "LTO 5" \ + "-O2 -flto -fuse-linker-plugin tmpdir/lto-5.o" "" \ + {dummy.c} "lto-5.exe" "lto-5.out" "" "c"] \ ++ [list "LTO 10" \ ++ "-O2 -flto -fuse-linker-plugin tmpdir/lto-10.o" "" \ ++ {dummy.c} "lto-10.exe" "lto-10.out" "" "c"] \ + [list "LTO 11" \ + "-O -flto -fuse-linker-plugin tmpdir/liblto-11.a" "" \ + {dummy.c} "lto-11.exe" "lto-11.out" "" "c"] \ +@@ -378,6 +405,15 @@ if { [is_elf_format] && [check_lto_share + } + } + ++set testname "Build liblto-4.a" ++remote_file host delete "tmpdir/liblto-4.a" ++set catch_output [run_host_cmd "$ar" "rc tmpdir/liblto-4.a tmpdir/lto-4a.o tmpdir/lto-4b.o tmpdir/lto-4c.o"] ++if {![string match "" $catch_output]} { ++ unresolved $testname ++ restore_notify ++ return ++} ++ + set testname "Build liblto-11.a" + remote_file host delete "tmpdir/liblto-11.a" + set catch_output [run_host_cmd "$ar" "rc $plug_opt tmpdir/liblto-11.a tmpdir/lto-11a.o tmpdir/lto-11b.o tmpdir/lto-11c.o"] +@@ -424,8 +460,30 @@ return + # Run "ld -r" to generate inputs for complex LTO tests. + run_dump_test "lto-3r" + remote_exec host "mv" "tmpdir/dump tmpdir/lto-3.o" ++run_dump_test "lto-4r-a" ++remote_exec host "mv" "tmpdir/dump tmpdir/lto-4r-a.o" ++run_dump_test "lto-4r-b" ++remote_exec host "mv" "tmpdir/dump tmpdir/lto-4r-b.o" ++run_dump_test "lto-4r-c" ++remote_exec host "mv" "tmpdir/dump tmpdir/lto-4r-c.o" ++run_dump_test "lto-4r-d" ++remote_exec host "mv" "tmpdir/dump tmpdir/lto-4r-d.o" + run_dump_test "lto-5r" + remote_exec host "mv" "tmpdir/dump tmpdir/lto-5.o" ++run_dump_test "lto-10r" ++remote_exec host "mv" "tmpdir/dump tmpdir/lto-10.o" ++set testname "nm mixed object" ++set lto_plugin [run_host_cmd "$CC" "-print-prog-name=liblto_plugin.so tmpdir/lto-10.o"] ++if { [ regexp "liblto_plugin.so" $lto_plugin ] } { ++ set exec_output [run_host_cmd "$NM" "--plugin $lto_plugin tmpdir/lto-10.o"] ++ if { [ regexp "T main" $exec_output ] } { ++ pass $testname ++ } { ++ fail $testname ++ } ++} { ++ fail $testname ++ } + + run_cc_link_tests $lto_link_symbol_tests + diff --git a/binutils/patches/binutils-2.26-x86-PIE-relocations.patch b/binutils/patches/binutils-2.26-x86-PIE-relocations.patch new file mode 100644 index 0000000..c39c3aa --- /dev/null +++ b/binutils/patches/binutils-2.26-x86-PIE-relocations.patch @@ -0,0 +1,46 @@ +--- binutils-2.26.orig/bfd/elf32-i386.c 2016-03-18 10:04:17.245507884 +0000 ++++ binutils-2.26/bfd/elf32-i386.c 2016-03-18 10:05:59.336070167 +0000 +@@ -1830,7 +1830,8 @@ do_size: + && (sec->flags & SEC_ALLOC) != 0 + && (r_type != R_386_PC32 + || (h != NULL +- && (! SYMBOLIC_BIND (info, h) ++ && (! (bfd_link_pie (info) ++ || SYMBOLIC_BIND (info, h)) + || h->root.type == bfd_link_hash_defweak + || !h->def_regular)))) + || (ELIMINATE_COPY_RELOCS +@@ -4287,8 +4288,8 @@ r_386_got32: + else if (h != NULL + && h->dynindx != -1 + && (r_type == R_386_PC32 +- || !bfd_link_pic (info) +- || !SYMBOLIC_BIND (info, h) ++ || !(bfd_link_executable (info) ++ || SYMBOLIC_BIND (info, h)) + || !h->def_regular)) + outrel.r_info = ELF32_R_INFO (h->dynindx, r_type); + else +--- binutils-2.26.orig/bfd/elf64-x86-64.c 2016-03-18 10:04:17.244507878 +0000 ++++ binutils-2.26/bfd/elf64-x86-64.c 2016-03-18 10:06:46.686331624 +0000 +@@ -2029,7 +2029,8 @@ do_size: + && (sec->flags & SEC_ALLOC) != 0 + && (! IS_X86_64_PCREL_TYPE (r_type) + || (h != NULL +- && (! SYMBOLIC_BIND (info, h) ++ && (! (bfd_link_pie (info) ++ || SYMBOLIC_BIND (info, h)) + || h->root.type == bfd_link_hash_defweak + || !h->def_regular)))) + || (ELIMINATE_COPY_RELOCS +@@ -4631,8 +4632,8 @@ direct: + else if (h != NULL + && h->dynindx != -1 + && (IS_X86_64_PCREL_TYPE (r_type) +- || ! bfd_link_pic (info) +- || ! SYMBOLIC_BIND (info, h) ++ || !(bfd_link_executable (info) ++ || SYMBOLIC_BIND (info, h)) + || ! h->def_regular)) + { + outrel.r_info = htab->r_info (h->dynindx, r_type); diff --git a/binutils/patches/binutils-HEAD-change-ld-notice-interface.patch b/binutils/patches/binutils-HEAD-change-ld-notice-interface.patch deleted file mode 100644 index db2ea9b..0000000 --- a/binutils/patches/binutils-HEAD-change-ld-notice-interface.patch +++ /dev/null @@ -1,398 +0,0 @@ -From 4613510308cea27713e8c7424b2afee9b99f6226 Mon Sep 17 00:00:00 2001 -From: Alan Modra amodra@gmail.com -Date: Tue, 12 Aug 2014 10:43:33 +0930 -Subject: [PATCH] Change ld "notice" interface for better handling of - indirect symbols - -The main aim of this change was to have non_ir_ref set correctly on -new indirect symbols. I could have added a "copy" param to the "notice" -function, so that indirect symbols could be created in plugin_notice, -but it seemed cleaner to create indirect syms earlier and pass them -rather than "string" to "notice". - -include/ - * bfdlink.h (struct bfd_link_callbacks <notice>): Remove "string" - param, add "inh". -bfd/ - * coff-aux.c (coff_m68k_aux_link_add_one_symbol): Only call "notice" - here when not calling the generic add_symbol function. Formatting. - Correct handling of indirect symbols. Update notice call. - * elflink.c (_bfd_elf_notice_as_needed): Update notice call. - * linker.c (_bfd_generic_link_add_one_symbol): Create indirect - symbols early. Update notice call. Add comments regarding weak - symbols vs. indirect. -ld/ - * ldmain.c (notice): Update args. - * plugin.c (plugin_notice): Likewise. Follow warning sym link. - Handle new indirect symbol. ---- - bfd/coff-aux.c | 62 ++++++++++++++++++++++------------------- - bfd/elflink.c | 2 +- - bfd/linker.c | 82 +++++++++++++++++++++++++++++-------------------------- - include/bfdlink.h | 13 ++++----- - ld/ldmain.c | 6 ++-- - ld/plugin.c | 33 ++++++++++++---------- - 9 files changed, 128 insertions(+), 91 deletions(-) - -diff --git a/bfd/coff-aux.c b/bfd/coff-aux.c -index e79c77a..d95b98b 100644 ---- a/bfd/coff-aux.c -+++ b/bfd/coff-aux.c -@@ -73,20 +73,17 @@ coff_m68k_aux_link_add_one_symbol (struct bfd_link_info *info, - bfd_boolean collect, - struct bfd_link_hash_entry **hashp) - { -- struct bfd_link_hash_entry *h; -+ struct bfd_link_hash_entry *h, *inh, *t; - -- if ((flags & (BSF_WARNING | BSF_CONSTRUCTOR | BSF_WEAK)) == 0 && -- !bfd_is_und_section (section) && -- !bfd_is_com_section (section)) -+ if ((flags & (BSF_WARNING | BSF_CONSTRUCTOR | BSF_WEAK)) == 0 -+ && !bfd_is_und_section (section) -+ && !bfd_is_com_section (section)) - { - /* The new symbol is a definition or an indirect definition */ - - /* This bit copied from linker.c */ - if (hashp != NULL && *hashp != NULL) -- { -- h = *hashp; -- BFD_ASSERT (strcmp (h->root.string, name) == 0); -- } -+ h = *hashp; - else - { - h = bfd_link_hash_lookup (info->hash, name, TRUE, copy, FALSE); -@@ -98,37 +95,46 @@ coff_m68k_aux_link_add_one_symbol (struct bfd_link_info *info, - } - } - -- if (info->notice_hash != (struct bfd_hash_table *) NULL -- && (bfd_hash_lookup (info->notice_hash, name, FALSE, FALSE) -- != (struct bfd_hash_entry *) NULL)) -- { -- if (! (*info->callbacks->notice) (info, h, abfd, section, value, -- flags, string)) -- return FALSE; -- } -- - if (hashp != (struct bfd_link_hash_entry **) NULL) - *hashp = h; - /* end duplication from linker.c */ - -- if (h->type == bfd_link_hash_defined -- || h->type == bfd_link_hash_indirect) -+ t = h; -+ inh = NULL; -+ if (h->type == bfd_link_hash_indirect) - { -- asection *msec; -+ inh = h->u.i.link; -+ t = inh; -+ } - -- if (h->type == bfd_link_hash_defined) -- msec = h->u.def.section; -- else -- msec = bfd_ind_section_ptr; -+ if (t->type == bfd_link_hash_defined) -+ { -+ asection *msec = t->u.def.section; -+ bfd_boolean special = FALSE; - - if (bfd_is_abs_section (msec) && !bfd_is_abs_section (section)) - { -- h->u.def.section = section; -- h->u.def.value = value; -- return TRUE; -+ t->u.def.section = section; -+ t->u.def.value = value; -+ special = TRUE; - } - else if (bfd_is_abs_section (section) && !bfd_is_abs_section (msec)) -- return TRUE; -+ special = TRUE; -+ -+ if (special) -+ { -+ if (info->notice_all -+ || (info->notice_hash != NULL -+ && bfd_hash_lookup (info->notice_hash, name, -+ FALSE, FALSE) != NULL)) -+ { -+ if (!(*info->callbacks->notice) (info, h, inh, -+ abfd, section, value, flags)) -+ return FALSE; -+ } -+ -+ return TRUE; -+ } - } - } - -diff --git a/bfd/elflink.c b/bfd/elflink.c -index 69a87a6..de0a734 100644 ---- a/bfd/elflink.c -+++ b/bfd/elflink.c -@@ -3299,7 +3299,7 @@ _bfd_elf_notice_as_needed (bfd *ibfd, - struct bfd_link_info *info, - enum notice_asneeded_action act) - { -- return (*info->callbacks->notice) (info, NULL, ibfd, NULL, act, 0, NULL); -+ return (*info->callbacks->notice) (info, NULL, NULL, ibfd, NULL, act, 0); - } - - /* Add symbols from an ELF object file to the linker hash table. */ -diff --git a/bfd/linker.c b/bfd/linker.c -index 1a5ecef..abdf5b0 100644 ---- a/bfd/linker.c -+++ b/bfd/linker.c -@@ -1442,13 +1442,23 @@ _bfd_generic_link_add_one_symbol (struct bfd_link_info *info, - { - enum link_row row; - struct bfd_link_hash_entry *h; -+ struct bfd_link_hash_entry *inh = NULL; - bfd_boolean cycle; - - BFD_ASSERT (section != NULL); - - if (bfd_is_ind_section (section) - || (flags & BSF_INDIRECT) != 0) -- row = INDR_ROW; -+ { -+ row = INDR_ROW; -+ /* Create the indirect symbol here. This is for the benefit of -+ the plugin "notice" function. -+ STRING is the name of the symbol we want to indirect to. */ -+ inh = bfd_wrapped_link_hash_lookup (abfd, info, string, TRUE, -+ copy, FALSE); -+ if (inh == NULL) -+ return FALSE; -+ } - else if ((flags & BSF_WARNING) != 0) - row = WARN_ROW; - else if ((flags & BSF_CONSTRUCTOR) != 0) -@@ -1493,8 +1503,8 @@ _bfd_generic_link_add_one_symbol (struct bfd_link_info *info, - || (info->notice_hash != NULL - && bfd_hash_lookup (info->notice_hash, name, FALSE, FALSE) != NULL)) - { -- if (! (*info->callbacks->notice) (info, h, -- abfd, section, value, flags, string)) -+ if (! (*info->callbacks->notice) (info, h, inh, -+ abfd, section, value, flags)) - return FALSE; - } - -@@ -1728,44 +1738,40 @@ _bfd_generic_link_add_one_symbol (struct bfd_link_info *info, - return FALSE; - /* Fall through. */ - case IND: -- /* Create an indirect symbol. */ -- { -- struct bfd_link_hash_entry *inh; -- -- /* STRING is the name of the symbol we want to indirect -- to. */ -- inh = bfd_wrapped_link_hash_lookup (abfd, info, string, TRUE, -- copy, FALSE); -- if (inh == NULL) -+ if (inh->type == bfd_link_hash_indirect -+ && inh->u.i.link == h) -+ { -+ (*_bfd_error_handler) -+ (_("%B: indirect symbol `%s' to `%s' is a loop"), -+ abfd, name, string); -+ bfd_set_error (bfd_error_invalid_operation); - return FALSE; -- if (inh->type == bfd_link_hash_indirect -- && inh->u.i.link == h) -- { -- (*_bfd_error_handler) -- (_("%B: indirect symbol `%s' to `%s' is a loop"), -- abfd, name, string); -- bfd_set_error (bfd_error_invalid_operation); -- return FALSE; -- } -- if (inh->type == bfd_link_hash_new) -- { -- inh->type = bfd_link_hash_undefined; -- inh->u.undef.abfd = abfd; -- bfd_link_add_undef (info->hash, inh); -- } -+ } -+ if (inh->type == bfd_link_hash_new) -+ { -+ inh->type = bfd_link_hash_undefined; -+ inh->u.undef.abfd = abfd; -+ bfd_link_add_undef (info->hash, inh); -+ } - -- /* If the indirect symbol has been referenced, we need to -- push the reference down to the symbol we are -- referencing. */ -- if (h->type != bfd_link_hash_new) -- { -- row = UNDEF_ROW; -- cycle = TRUE; -- } -+ /* If the indirect symbol has been referenced, we need to -+ push the reference down to the symbol we are referencing. */ -+ if (h->type != bfd_link_hash_new) -+ { -+ /* ??? If inh->type == bfd_link_hash_undefweak this -+ converts inh to bfd_link_hash_undefined. */ -+ row = UNDEF_ROW; -+ cycle = TRUE; -+ } - -- h->type = bfd_link_hash_indirect; -- h->u.i.link = inh; -- } -+ h->type = bfd_link_hash_indirect; -+ h->u.i.link = inh; -+ /* Not setting h = h->u.i.link here means that when cycle is -+ set above we'll always go to REFC, and then cycle again -+ to the indirected symbol. This means that any successful -+ change of an existing symbol to indirect counts as a -+ reference. ??? That may not be correct when the existing -+ symbol was defweak. */ - break; - - case SET: -diff --git a/include/bfdlink.h b/include/bfdlink.h -index 58dba2a..125683d 100644 ---- a/include/bfdlink.h -+++ b/include/bfdlink.h -@@ -640,15 +640,14 @@ struct bfd_link_callbacks - (struct bfd_link_info *, const char *name, - bfd *abfd, asection *section, bfd_vma address); - /* A function which is called when a symbol in notice_hash is -- defined or referenced. H is the symbol. ABFD, SECTION and -- ADDRESS are the (new) value of the symbol. If SECTION is -- bfd_und_section, this is a reference. FLAGS are the symbol -- BSF_* flags. STRING is the name of the symbol to indirect to if -- the sym is indirect, or the warning string if a warning sym. */ -+ defined or referenced. H is the symbol, INH the indirect symbol -+ if applicable. ABFD, SECTION and ADDRESS are the (new) value of -+ the symbol. If SECTION is bfd_und_section, this is a reference. -+ FLAGS are the symbol BSF_* flags. */ - bfd_boolean (*notice) - (struct bfd_link_info *, struct bfd_link_hash_entry *h, -- bfd *abfd, asection *section, bfd_vma address, flagword flags, -- const char *string); -+ struct bfd_link_hash_entry *inh, -+ bfd *abfd, asection *section, bfd_vma address, flagword flags); - /* Error or warning link info message. */ - void (*einfo) - (const char *fmt, ...); -diff --git a/ld/ldmain.c b/ld/ldmain.c -index ea25afe..77235d5 100644 ---- a/ld/ldmain.c -+++ b/ld/ldmain.c -@@ -137,7 +137,7 @@ static bfd_boolean unattached_reloc - (struct bfd_link_info *, const char *, bfd *, asection *, bfd_vma); - static bfd_boolean notice - (struct bfd_link_info *, struct bfd_link_hash_entry *, -- bfd *, asection *, bfd_vma, flagword, const char *); -+ struct bfd_link_hash_entry *, bfd *, asection *, bfd_vma, flagword); - - static struct bfd_link_callbacks link_callbacks = - { -@@ -1461,11 +1461,11 @@ unattached_reloc (struct bfd_link_info *info ATTRIBUTE_UNUSED, - static bfd_boolean - notice (struct bfd_link_info *info, - struct bfd_link_hash_entry *h, -+ struct bfd_link_hash_entry *inh ATTRIBUTE_UNUSED, - bfd *abfd, - asection *section, - bfd_vma value, -- flagword flags ATTRIBUTE_UNUSED, -- const char *string ATTRIBUTE_UNUSED) -+ flagword flags ATTRIBUTE_UNUSED) - { - const char *name; - -diff --git a/ld/plugin.c b/ld/plugin.c -index 8d6ae05..8cca7d0 100644 ---- a/ld/plugin.c -+++ b/ld/plugin.c -@@ -127,8 +127,9 @@ static const size_t tv_header_size = ARRAY_SIZE (tv_header_tags); - - /* Forward references. */ - static bfd_boolean plugin_notice (struct bfd_link_info *, -- struct bfd_link_hash_entry *, bfd *, -- asection *, bfd_vma, flagword, const char *); -+ struct bfd_link_hash_entry *, -+ struct bfd_link_hash_entry *, -+ bfd *, asection *, bfd_vma, flagword); - - #if !defined (HAVE_DLFCN_H) && defined (HAVE_WINDOWS_H) - -@@ -962,16 +963,21 @@ plugin_call_cleanup (void) - static bfd_boolean - plugin_notice (struct bfd_link_info *info, - struct bfd_link_hash_entry *h, -+ struct bfd_link_hash_entry *inh, - bfd *abfd, - asection *section, - bfd_vma value, -- flagword flags, -- const char *string) -+ flagword flags) - { -+ struct bfd_link_hash_entry *orig_h = h; -+ - if (h != NULL) - { - bfd *sym_bfd; - -+ if (h->type == bfd_link_hash_warning) -+ h = h->u.i.link; -+ - /* Nothing to do here if this def/ref is from an IR dummy BFD. */ - if (is_ir_dummy_bfd (abfd)) - ; -@@ -981,16 +987,15 @@ plugin_notice (struct bfd_link_info *info, - else if (bfd_is_ind_section (section) - || (flags & BSF_INDIRECT) != 0) - { -+ /* ??? Some of this is questionable. See comments in -+ _bfd_generic_link_add_one_symbol for case IND. */ - if (h->type != bfd_link_hash_new) - { -- struct bfd_link_hash_entry *inh; -- - h->non_ir_ref = TRUE; -- inh = bfd_wrapped_link_hash_lookup (abfd, info, string, FALSE, -- FALSE, FALSE); -- if (inh != NULL) -- inh->non_ir_ref = TRUE; -+ inh->non_ir_ref = TRUE; - } -+ else if (inh->type == bfd_link_hash_new) -+ inh->non_ir_ref = TRUE; - } - - /* Nothing to do here for warning symbols. */ -@@ -1031,13 +1036,13 @@ plugin_notice (struct bfd_link_info *info, - } - - /* Continue with cref/nocrossref/trace-sym processing. */ -- if (h == NULL -+ if (orig_h == NULL - || orig_notice_all - || (info->notice_hash != NULL -- && bfd_hash_lookup (info->notice_hash, h->root.string, -+ && bfd_hash_lookup (info->notice_hash, orig_h->root.string, - FALSE, FALSE) != NULL)) -- return (*orig_callbacks->notice) (info, h, -- abfd, section, value, flags, string); -+ return (*orig_callbacks->notice) (info, orig_h, inh, -+ abfd, section, value, flags); - return TRUE; - } - --- -1.9.3 - diff --git a/binutils/patches/binutils-default-test-flags.patch b/binutils/patches/binutils-default-test-flags.patch deleted file mode 100644 index 8870fab..0000000 --- a/binutils/patches/binutils-default-test-flags.patch +++ /dev/null @@ -1,35 +0,0 @@ -many tests rely on order of symbols and the gnu hash style/relro options -change that. so to avoid having to constantly thrash in the test files, -use the normal options that everyone tests against. - ---- binutils/ld/testsuite/lib/ld-lib.exp -+++ binutils/ld/testsuite/lib/ld-lib.exp -@@ -84,7 +84,7 @@ - global HOSTING_EMU - - remote_file host delete $target -- return [run_host_cmd_yesno "$ld" "$HOSTING_EMU -o $target -r $objects"] -+ return [run_host_cmd_yesno "$ld" "$HOSTING_EMU --hash-style=sysv -z norelro -o $target -r $objects"] - } - - # Check to see if ld is being invoked with a non-endian output format -@@ -158,7 +158,7 @@ - - remote_file host delete $target - -- return [run_host_cmd_yesno "$ld" "$HOSTING_EMU $flags -o $target $objs $libs"] -+ return [run_host_cmd_yesno "$ld" "$HOSTING_EMU --hash-style=sysv -z norelro $flags -o $target $objs $libs"] - } - - # Link a program using ld, without including any libraries. -@@ -189,7 +189,9 @@ - } - set ldexe [string replace $ldexe 0 [string last "/" $ldexe] ""] - if {[string match "*gcc*" $ldexe] || [string match "*++*" $ldexe]} then { -- set ldflags "$gcc_ld_flag $ldflags" -+ set ldflags "$gcc_ld_flag -Wl,--hash-style=sysv -Wl,-z,norelro $ldflags" -+ } else { -+ set ldflags "--hash-style=sysv -z norelro $ldflags" - } - - remote_file host delete $target diff --git a/binutils/patches/binutils-rh1312151.patch b/binutils/patches/binutils-rh1312151.patch new file mode 100644 index 0000000..e989b86 --- /dev/null +++ b/binutils/patches/binutils-rh1312151.patch @@ -0,0 +1,22 @@ +--- binutils-2.26.orig/bfd/elflink.c 2016-02-26 13:21:54.134859610 +0000 ++++ binutils-2.26/bfd/elflink.c 2016-02-26 13:22:49.083168157 +0000 +@@ -555,6 +555,19 @@ bfd_elf_record_link_assignment (bfd *out + if (h == NULL) + return provide; + ++ if (h->versioned == unknown) ++ { ++ /* Set versioned if symbol version is unknown. */ ++ char *version = strrchr (name, ELF_VER_CHR); ++ if (version) ++ { ++ if (version > name && version[-1] != ELF_VER_CHR) ++ h->versioned = versioned_hidden; ++ else ++ h->versioned = versioned; ++ } ++ } ++ + switch (h->root.type) + { + case bfd_link_hash_defined: diff --git a/binutils/patches/binutils-use-new-ld-dtags.patch b/binutils/patches/binutils-use-new-ld-dtags.patch deleted file mode 100644 index e738897..0000000 --- a/binutils/patches/binutils-use-new-ld-dtags.patch +++ /dev/null @@ -1,24 +0,0 @@ ---- binutils/ld/ldmain.c -+++ binutils/ld/ldmain.c -@@ -296,6 +296,7 @@ main (int argc, char **argv) - - link_info.allow_undefined_version = TRUE; - link_info.keep_memory = TRUE; -+ link_info.new_dtags = TRUE; - link_info.combreloc = TRUE; - link_info.strip_discarded = TRUE; - link_info.callbacks = &link_callbacks; ---- binutils/ld/ld.texinfo -+++ binutils/ld/ld.texinfo -@@ -2036,8 +2036,9 @@ - systems may not understand them. If you specify - @option{--enable-new-dtags}, the dynamic tags will be created as needed. - If you specify @option{--disable-new-dtags}, no new dynamic tags will be --created. By default, the new dynamic tags are not created. Note that --those options are only available for ELF systems. -+created. On Gentoo, by default, the new dynamic tags are created (this -+differs from upstream behaviour). Note that those options are only -+available for ELF systems. - - @kindex --hash-size=@var{number} - @item --hash-size=@var{number} diff --git a/binutils/patches/x86_64/binutils-2.20.51.0.2-libtool-lib64.patch0 b/binutils/patches/x86_64/binutils-2.20.51.0.2-libtool-lib64.patch0 deleted file mode 100644 index 0c61a11..0000000 --- a/binutils/patches/x86_64/binutils-2.20.51.0.2-libtool-lib64.patch0 +++ /dev/null @@ -1,302 +0,0 @@ -diff -rcp ../binutils-2.20.51.0.7.original/bfd/configure ./bfd/configure -*** ../binutils-2.20.51.0.7.original/bfd/configure 2010-04-08 14:53:48.000000000 +0100 ---- ./bfd/configure 2010-04-08 14:56:50.000000000 +0100 -*************** fi -*** 10762,10771 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10762,10795 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: "$ac_compile"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: $? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on -diff -rcp ../binutils-2.20.51.0.7.original/binutils/configure ./binutils/configure -*** ../binutils-2.20.51.0.7.original/binutils/configure 2010-04-08 14:53:45.000000000 +0100 ---- ./binutils/configure 2010-04-08 14:56:21.000000000 +0100 -*************** fi -*** 10560,10569 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10560,10593 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: "$ac_compile"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: $? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on -diff -rcp ../binutils-2.20.51.0.7.original/gas/configure ./gas/configure -*** ../binutils-2.20.51.0.7.original/gas/configure 2010-04-08 14:53:47.000000000 +0100 ---- ./gas/configure 2010-04-08 14:57:24.000000000 +0100 -*************** fi -*** 10547,10556 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10547,10580 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: "$ac_compile"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: $? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on -diff -rcp ../binutils-2.20.51.0.7.original/gprof/configure ./gprof/configure -*** ../binutils-2.20.51.0.7.original/gprof/configure 2010-04-08 14:53:45.000000000 +0100 ---- ./gprof/configure 2010-04-08 14:57:50.000000000 +0100 -*************** fi -*** 10485,10494 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10485,10518 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: "$ac_compile"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: $? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on -diff -rcp ../binutils-2.20.51.0.7.original/ld/configure ./ld/configure -*** ../binutils-2.20.51.0.7.original/ld/configure 2010-04-08 14:53:44.000000000 +0100 ---- ./ld/configure 2010-04-08 14:58:21.000000000 +0100 -*************** fi -*** 10966,10975 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10966,10999 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: "$ac_compile"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: $? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on -Only in .: .#libtool.m4 -Only in .: #libtool.m4# -diff -rcp ../binutils-2.20.51.0.7.original/opcodes/configure ./opcodes/configure -*** ../binutils-2.20.51.0.7.original/opcodes/configure 2010-04-08 14:53:45.000000000 +0100 ---- ./opcodes/configure 2010-04-08 14:59:10.000000000 +0100 -*************** fi -*** 10496,10505 **** - # before this can be enabled. - hardcode_into_libs=yes - - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on ---- 10496,10529 ---- - # before this can be enabled. - hardcode_into_libs=yes - -+ # find out which ABI we are using -+ libsuff= -+ case "$host_cpu" in -+ x86_64*|s390*|powerpc*|ppc*|sparc*) -+ echo 'int i;' > conftest.$ac_ext -+ if { (eval echo "$as_me:$LINENO: "$ac_compile"") >&5 -+ (eval $ac_compile) 2>&5 -+ ac_status=$? -+ echo "$as_me:$LINENO: $? = $ac_status" >&5 -+ (exit $ac_status); }; then -+ case `/usr/bin/file conftest.$ac_objext` in -+ *64-bit*) -+ libsuff=64 -+ if test x"$sys_lib_search_path_spec" = x"/lib /usr/lib /usr/local/lib"; then -+ sys_lib_search_path_spec="/lib${libsuff} /usr/lib${libsuff} /usr/local/lib${libsuff}" -+ fi -+ sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff}" -+ ;; -+ esac -+ fi -+ rm -rf conftest* -+ ;; -+ esac -+ - # Append ld.so.conf contents to the search path - if test -f /etc/ld.so.conf; then - lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", $2)); skip = 1; } { if (!skip) print $0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[ ]*hwcap[ ]/d;s/[:, ]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '` -! sys_lib_dlsearch_path_spec="/lib${libsuff} /usr/lib${libsuff} $lt_ld_extra" - fi - - # We used to test for /lib/ld.so.1 and disable shared libraries on diff --git a/elfutils/elfutils.nm b/elfutils/elfutils.nm index b7bf868..6e3c32d 100644 --- a/elfutils/elfutils.nm +++ b/elfutils/elfutils.nm @@ -4,7 +4,7 @@ ############################################################################### name = elfutils -version = 0.161 +version = 0.166 release = 1 maintainer = Michael Tremer michael.tremer@ipfire.org @@ -26,32 +26,18 @@ sources = %{thisapp}.tar.bz2 build requires - autoconf - automake bzip2-devel m4 xz-devel zlib-devel end - CFLAGS += -Wno-error -Wformat - - configure_options += \ - --program-prefix=eu- \ - --disable-werror - # fails #test # make check #end end -quality-agent - whitelist_rpath - %{libdir}/elfutils - end -end - packages package %{name} diff --git a/elfutils/patches/elfutils-0.166-elfcmp-comp-gcc6.patch b/elfutils/patches/elfutils-0.166-elfcmp-comp-gcc6.patch new file mode 100644 index 0000000..2183b35 --- /dev/null +++ b/elfutils/patches/elfutils-0.166-elfcmp-comp-gcc6.patch @@ -0,0 +1,50 @@ +From 836a16fe5b5bab4a3afe2c991c104652775ce3a3 Mon Sep 17 00:00:00 2001 +From: David Abdurachmanov davidlt@cern.ch +Date: Mon, 11 Apr 2016 16:00:57 +0200 +Subject: [PATCH] elfcmp: fix self-comparison error with GCC 6 +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Noticed with Fedora 24 Alpha, gcc (GCC) 6.0.0 20160406 +(Red Hat 6.0.0-0.20). + +elfcmp.c: In function ‘main’: +elfcmp.c:364:199: error: self-comparison always evaluates +to false [-Werror=tautological-compare] + if (unlikely (name1 == NULL || name2 == NULL + +Signed-off-by: David Abdurachmanov davidlt@cern.ch +--- + src/ChangeLog | 4 ++++ + src/elfcmp.c | 2 +- + 2 files changed, 5 insertions(+), 1 deletion(-) + +diff --git a/src/ChangeLog b/src/ChangeLog +index f74b5dc..bdc9d13 100644 +--- a/src/ChangeLog ++++ b/src/ChangeLog +@@ -1,3 +1,7 @@ ++2016-04-11 David Abdurachmanov davidlt@cern.ch ++ ++ * elfcmp.c (main): Fix self-comparison error with GCC 6. ++ + 2016-03-21 Mark Wielaard mjw@redhat.com + + * nm.c (show_symbols): Check for malloc size argument overflow. +diff --git a/src/elfcmp.c b/src/elfcmp.c +index 852b92f..7b5d39c 100644 +--- a/src/elfcmp.c ++++ b/src/elfcmp.c +@@ -368,7 +368,7 @@ main (int argc, char *argv[]) + && sym1->st_shndx != SHN_UNDEF) + || sym1->st_info != sym2->st_info + || sym1->st_other != sym2->st_other +- || sym1->st_shndx != sym1->st_shndx)) ++ || sym1->st_shndx != sym2->st_shndx)) + { + // XXX Do we want to allow reordered symbol tables? + symtab_mismatch: +-- +1.8.3.1 + diff --git a/elfutils/patches/elfutils-portability-0.161.patch b/elfutils/patches/elfutils-portability-0.161.patch deleted file mode 100644 index 7539f8b..0000000 --- a/elfutils/patches/elfutils-portability-0.161.patch +++ /dev/null @@ -1,1871 +0,0 @@ ---- elfutils/backends/ChangeLog -+++ elfutils/backends/ChangeLog -@@ -433,6 +433,10 @@ - * ppc_attrs.c (ppc_check_object_attribute): Handle tag - GNU_Power_ABI_Struct_Return. - -+2009-01-23 Roland McGrath roland@redhat.com -+ -+ * Makefile.am (libebl_%.so): Use $(LD_AS_NEEDED). -+ - 2008-10-04 Ulrich Drepper drepper@redhat.com - - * i386_reloc.def: Fix entries for TLS_GOTDESC, TLS_DESC_CALL, and -@@ -760,6 +764,11 @@ - * sparc_init.c: Likewise. - * x86_64_init.c: Likewise. - -+2005-11-22 Roland McGrath roland@redhat.com -+ -+ * Makefile.am (LD_AS_NEEDED): New variable, substituted by configure. -+ (libebl_%.so rule): Use it in place of -Wl,--as-needed. -+ - 2005-11-19 Roland McGrath roland@redhat.com - - * ppc64_reloc.def: REL30 -> ADDR30. -@@ -782,6 +791,9 @@ - * Makefile.am (uninstall): Don't try to remove $(pkgincludedir). - (CLEANFILES): Add libebl_$(m).so. - -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - * ppc_reloc.def: Update bits per Alan Modra amodra@bigpond.net.au. - * ppc64_reloc.def: Likewise. - ---- elfutils/backends/Makefile.am -+++ elfutils/backends/Makefile.am -@@ -119,7 +119,7 @@ libebl_%.so libebl_%.map: libebl_%_pic.a - $(LINK) -shared -o $(@:.map=.so) \ - -Wl,--whole-archive $< $(cpu_$*) -Wl,--no-whole-archive \ - -Wl,--version-script,$(@:.so=.map) \ -- -Wl,-z,defs -Wl,--as-needed $(libelf) $(libdw) -+ -Wl,-z,defs $(LD_AS_NEEDED) $(libelf) $(libdw) - @$(textrel_check) - - libebl_i386.so: $(cpu_i386) ---- elfutils/backends/Makefile.in -+++ elfutils/backends/Makefile.in -@@ -83,6 +83,7 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - subdir = backends - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -285,6 +286,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -316,6 +318,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -378,11 +381,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(top_srcdir)/libebl -I$(top_srcdir)/libasm \ - -I$(top_srcdir)/libelf -I$(top_srcdir)/libdw --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(foreach m,$(modules), libebl_$(m).map \ - libebl_$(m).so $(am_libebl_$(m)_pic_a_OBJECTS)) -@@ -888,7 +891,7 @@ libebl_%.so libebl_%.map: libebl_%_pic.a - $(LINK) -shared -o $(@:.map=.so) \ - -Wl,--whole-archive $< $(cpu_$*) -Wl,--no-whole-archive \ - -Wl,--version-script,$(@:.so=.map) \ -- -Wl,-z,defs -Wl,--as-needed $(libelf) $(libdw) -+ -Wl,-z,defs $(LD_AS_NEEDED) $(libelf) $(libdw) - @$(textrel_check) - - libebl_i386.so: $(cpu_i386) ---- elfutils/ChangeLog -+++ elfutils/ChangeLog -@@ -187,6 +187,8 @@ - - 2012-01-24 Mark Wielaard mjw@redhat.com - -+ * configure.ac: Wrap AC_COMPILE_IFELSE sources in AC_LANG_SOURCE. -+ - * COPYING: Fix address. Updated version from gnulib. - - 2012-01-23 Mark Wielaard mjw@redhat.com -@@ -205,6 +207,9 @@ - - 2011-10-08 Mike Frysinger vapier@gentoo.org - -+ * configure.ac (--disable-werror): Handle it, controlling BUILD_WERROR -+ automake option. -+ - * configure.ac: Fix use of AC_ARG_ENABLE to handle $enableval correctly. - - 2011-10-02 Ulrich Drepper drepper@gmail.com -@@ -226,6 +231,10 @@ - - * configure.ac (LOCALEDIR, DATADIRNAME): Removed. - -+2009-11-22 Roland McGrath roland@redhat.com -+ -+ * configure.ac: Use sed and expr instead of modern bash extensions. -+ - 2009-09-21 Ulrich Drepper drepper@redhat.com - - * configure.ac: Update for more modern autoconf. -@@ -234,6 +243,10 @@ - - * configure.ac (zip_LIBS): Check for liblzma too. - -+2009-08-17 Roland McGrath roland@redhat.com -+ -+ * configure.ac: Check for -fgnu89-inline; add it to WEXTRA if it works. -+ - 2009-04-19 Roland McGrath roland@redhat.com - - * configure.ac (eu_version): Round down here, not in version.h macros. -@@ -245,6 +258,8 @@ - - 2009-01-23 Roland McGrath roland@redhat.com - -+ * configure.ac: Check for __builtin_popcount. -+ - * configure.ac (zlib check): Check for gzdirect, need zlib >= 1.2.2.3. - - * configure.ac (__thread check): Use AC_LINK_IFELSE, in case of -@@ -325,6 +340,10 @@ - * configure.ac: Add dummy automake conditional to get dependencies - for non-generic linker right. See src/Makefile.am. - -+2005-11-22 Roland McGrath roland@redhat.com -+ -+ * configure.ac: Check for --as-needed linker option. -+ - 2005-11-18 Roland McGrath roland@redhat.com - - * Makefile.am (DISTCHECK_CONFIGURE_FLAGS): New variable. -@@ -372,6 +391,17 @@ - * Makefile.am (all_SUBDIRS): Add libdwfl. - * configure.ac: Write libdwfl/Makefile. - -+2005-05-31 Roland McGrath roland@redhat.com -+ -+ * configure.ac (WEXTRA): Check for -Wextra and set this substitution. -+ -+ * configure.ac: Check for struct stat st_?tim members. -+ * src/strip.c (process_file): Use st_?time if st_?tim are not there. -+ -+ * configure.ac: Check for futimes function. -+ * src/strip.c (handle_elf) [! HAVE_FUTIMES]: Use utimes instead. -+ (handle_ar) [! HAVE_FUTIMES]: Likewise. -+ - 2005-05-19 Roland McGrath roland@redhat.com - - * configure.ac [AH_BOTTOM] (INTDECL, _INTDECL): New macros. ---- elfutils/config/ChangeLog -+++ elfutils/config/ChangeLog -@@ -71,6 +71,10 @@ - - * known-dwarf.awk: Use gawk. - -+2011-10-08 Mike Frysinger vapier@gentoo.org -+ -+ * eu.am [BUILD_WERROR]: Conditionalize -Werror use on this. -+ - 2010-07-02 Ulrich Drepper drepper@redhat.com - - * elfutils.spec.in: Add more BuildRequires. ---- elfutils/config/eu.am -+++ elfutils/config/eu.am -@@ -1,6 +1,6 @@ - ## Common automake fragments for elfutils subdirectory makefiles. - ## --## Copyright (C) 2010, 2014 Red Hat, Inc. -+## Copyright (C) 2010-2011, 2014 Red Hat, Inc. - ## - ## This file is part of elfutils. - ## -@@ -29,13 +29,21 @@ - ## not, see http://www.gnu.org/licenses/. - ## - -+WEXTRA = @WEXTRA@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ -+ - DEFS = -D_GNU_SOURCE -DHAVE_CONFIG_H -DLOCALEDIR='"${localedir}"' - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow \ - $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -+ $(if $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) \ -+ $(if $($(*F)_no_Wformat),-Wno-format,-Wformat=2) \ - $($(*F)_CFLAGS) - -+if BUILD_WERROR -+AM_CFLAGS += $(if $($(*F)_no_Werror),,-Werror) -+endif -+ - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - - %.os: %.c %.o ---- elfutils/config/Makefile.in -+++ elfutils/config/Makefile.in -@@ -147,6 +147,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -178,6 +179,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ ---- elfutils/config.h.in -+++ elfutils/config.h.in -@@ -3,6 +3,9 @@ - /* Should ar and ranlib use -D behavior by default? */ - #undef DEFAULT_AR_DETERMINISTIC - -+/* Have __builtin_popcount. */ -+#undef HAVE_BUILTIN_POPCOUNT -+ - /* Define to 1 if you have the <inttypes.h> header file. */ - #undef HAVE_INTTYPES_H - -@@ -102,4 +105,7 @@ - /* Define for large files, on AIX-style hosts. */ - #undef _LARGE_FILES - -+/* Stubbed out if missing compiler support. */ -+#undef __thread -+ - #include <eu-config.h> ---- elfutils/configure -+++ elfutils/configure -@@ -663,6 +663,8 @@ ZLIB_TRUE - LIBEBL_SUBDIR - TESTS_RPATH_FALSE - TESTS_RPATH_TRUE -+BUILD_WERROR_FALSE -+BUILD_WERROR_TRUE - BUILD_STATIC_FALSE - BUILD_STATIC_TRUE - USE_VALGRIND_FALSE -@@ -678,6 +680,8 @@ NEVER_TRUE - base_cpu - NATIVE_LD_FALSE - NATIVE_LD_TRUE -+LD_AS_NEEDED -+WEXTRA - NM - READELF - ac_ct_AR -@@ -798,6 +802,7 @@ enable_debugpred - enable_gprof - enable_gcov - enable_valgrind -+enable_werror - enable_tests_rpath - enable_libebl_subdir - with_zlib -@@ -1455,6 +1460,7 @@ Optional Features: - --enable-gprof build binaries with gprof support - --enable-gcov build binaries with gcov support - --enable-valgrind run all tests under valgrind -+ --disable-werror do not build with -Werror - --enable-tests-rpath build $ORIGIN-using rpath into tests - --enable-libebl-subdir=DIR - install libebl_CPU modules in $(libdir)/DIR -@@ -4843,6 +4849,130 @@ if test "x$ac_cv_c99" != xyes; then : - as_fn_error $? "gcc with C99 support required" "$LINENO" 5 - fi - -+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Wextra option to $CC" >&5 -+$as_echo_n "checking for -Wextra option to $CC... " >&6; } -+if ${ac_cv_cc_wextra+:} false; then : -+ $as_echo_n "(cached) " >&6 -+else -+ old_CFLAGS="$CFLAGS" -+CFLAGS="$CFLAGS -Wextra" -+cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+void foo (void) { } -+_ACEOF -+if ac_fn_c_try_compile "$LINENO"; then : -+ ac_cv_cc_wextra=yes -+else -+ ac_cv_cc_wextra=no -+fi -+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -+CFLAGS="$old_CFLAGS" -+fi -+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cc_wextra" >&5 -+$as_echo "$ac_cv_cc_wextra" >&6; } -+ -+if test "x$ac_cv_cc_wextra" = xyes; then : -+ WEXTRA=-Wextra -+else -+ WEXTRA=-W -+fi -+ -+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fgnu89-inline option to $CC" >&5 -+$as_echo_n "checking for -fgnu89-inline option to $CC... " >&6; } -+if ${ac_cv_cc_gnu89_inline+:} false; then : -+ $as_echo_n "(cached) " >&6 -+else -+ old_CFLAGS="$CFLAGS" -+CFLAGS="$CFLAGS -fgnu89-inline -Werror" -+cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+ -+void foo (void) -+{ -+ inline void bar (void) {} -+ bar (); -+} -+extern inline void baz (void) {} -+ -+_ACEOF -+if ac_fn_c_try_compile "$LINENO"; then : -+ ac_cv_cc_gnu89_inline=yes -+else -+ ac_cv_cc_gnu89_inline=no -+fi -+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext -+CFLAGS="$old_CFLAGS" -+fi -+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_cc_gnu89_inline" >&5 -+$as_echo "$ac_cv_cc_gnu89_inline" >&6; } -+if test "x$ac_cv_cc_gnu89_inline" = xyes; then : -+ WEXTRA="${WEXTRA:+$WEXTRA }-fgnu89-inline" -+fi -+ -+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --as-needed linker option" >&5 -+$as_echo_n "checking for --as-needed linker option... " >&6; } -+if ${ac_cv_as_needed+:} false; then : -+ $as_echo_n "(cached) " >&6 -+else -+ cat > conftest.c <<EOF -+int main (void) { return 0; } -+EOF -+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -+ -fPIC -shared -o conftest.so conftest.c -+ -Wl,--as-needed 1>&5' -+ { { eval echo ""$as_me":${as_lineno-$LINENO}: "$ac_try""; } >&5 -+ (eval $ac_try) 2>&5 -+ ac_status=$? -+ $as_echo "$as_me:${as_lineno-$LINENO}: $? = $ac_status" >&5 -+ test $ac_status = 0; }; } -+then -+ ac_cv_as_needed=yes -+else -+ ac_cv_as_needed=no -+fi -+rm -f conftest* -+fi -+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_as_needed" >&5 -+$as_echo "$ac_cv_as_needed" >&6; } -+if test "x$ac_cv_as_needed" = xyes; then : -+ LD_AS_NEEDED=-Wl,--as-needed -+else -+ LD_AS_NEEDED= -+fi -+ -+ -+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_popcount" >&5 -+$as_echo_n "checking for __builtin_popcount... " >&6; } -+if ${ac_cv_popcount+:} false; then : -+ $as_echo_n "(cached) " >&6 -+else -+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext -+/* end confdefs.h. */ -+ -+int -+main () -+{ -+exit (__builtin_popcount (127)); -+ ; -+ return 0; -+} -+_ACEOF -+if ac_fn_c_try_link "$LINENO"; then : -+ ac_cv_popcount=yes -+else -+ ac_cv_popcount=no -+fi -+rm -f core conftest.err conftest.$ac_objext \ -+ conftest$ac_exeext conftest.$ac_ext -+fi -+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_popcount" >&5 -+$as_echo "$ac_cv_popcount" >&6; } -+if test "x$ac_cv_popcount" = xyes; then : -+ -+$as_echo "#define HAVE_BUILTIN_POPCOUNT 1" >>confdefs.h -+ -+fi -+ - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __thread support" >&5 - $as_echo_n "checking for __thread support... " >&6; } - if ${ac_cv_tls+:} false; then : -@@ -4879,7 +5009,13 @@ fi - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_tls" >&5 - $as_echo "$ac_cv_tls" >&6; } - if test "x$ac_cv_tls" != xyes; then : -- as_fn_error $? "__thread support required" "$LINENO" 5 -+ if test "$use_locks" = yes; then : -+ as_fn_error $? "--enable-thread-safety requires __thread support" "$LINENO" 5 -+else -+ -+$as_echo "#define __thread /* empty: no multi-thread support */" >>confdefs.h -+ -+fi - fi - - # Check whether --enable-largefile was given. -@@ -5246,6 +5382,22 @@ else - fi - - -+# Check whether --enable-werror was given. -+if test "${enable_werror+set}" = set; then : -+ enableval=$enable_werror; enable_werror=$enableval -+else -+ enable_werror=yes -+fi -+ -+ if test "$enable_werror" = yes; then -+ BUILD_WERROR_TRUE= -+ BUILD_WERROR_FALSE='#' -+else -+ BUILD_WERROR_TRUE='#' -+ BUILD_WERROR_FALSE= -+fi -+ -+ - # Check whether --enable-tests-rpath was given. - if test "${enable_tests_rpath+set}" = set; then : - enableval=$enable_tests_rpath; tests_use_rpath=$enableval -@@ -5983,7 +6135,7 @@ case "$eu_version" in - esac - - # Round up to the next release API (x.y) version. --eu_version=$(( (eu_version + 999) / 1000 )) -+eu_version=`expr ( $eu_version + 999 ) / 1000` - - ac_ext=c - ac_cpp='$CPP $CPPFLAGS' -@@ -6729,6 +6881,10 @@ if test -z "${BUILD_STATIC_TRUE}" && tes - as_fn_error $? "conditional "BUILD_STATIC" was never defined. - Usually this means the macro was only invoked conditionally." "$LINENO" 5 - fi -+if test -z "${BUILD_WERROR_TRUE}" && test -z "${BUILD_WERROR_FALSE}"; then -+ as_fn_error $? "conditional "BUILD_WERROR" was never defined. -+Usually this means the macro was only invoked conditionally." "$LINENO" 5 -+fi - if test -z "${TESTS_RPATH_TRUE}" && test -z "${TESTS_RPATH_FALSE}"; then - as_fn_error $? "conditional "TESTS_RPATH" was never defined. - Usually this means the macro was only invoked conditionally." "$LINENO" 5 ---- elfutils/configure.ac -+++ elfutils/configure.ac -@@ -89,6 +89,54 @@ CFLAGS="$old_CFLAGS"]) - AS_IF([test "x$ac_cv_c99" != xyes], - AC_MSG_ERROR([gcc with C99 support required])) - -+AC_CACHE_CHECK([for -Wextra option to $CC], ac_cv_cc_wextra, [dnl -+old_CFLAGS="$CFLAGS" -+CFLAGS="$CFLAGS -Wextra" -+AC_COMPILE_IFELSE([AC_LANG_SOURCE([void foo (void) { }])], -+ ac_cv_cc_wextra=yes, ac_cv_cc_wextra=no) -+CFLAGS="$old_CFLAGS"]) -+AC_SUBST(WEXTRA) -+AS_IF([test "x$ac_cv_cc_wextra" = xyes], [WEXTRA=-Wextra], [WEXTRA=-W]) -+ -+AC_CACHE_CHECK([for -fgnu89-inline option to $CC], ac_cv_cc_gnu89_inline, [dnl -+old_CFLAGS="$CFLAGS" -+CFLAGS="$CFLAGS -fgnu89-inline -Werror" -+AC_COMPILE_IFELSE([AC_LANG_SOURCE([ -+void foo (void) -+{ -+ inline void bar (void) {} -+ bar (); -+} -+extern inline void baz (void) {} -+])], ac_cv_cc_gnu89_inline=yes, ac_cv_cc_gnu89_inline=no) -+CFLAGS="$old_CFLAGS"]) -+AS_IF([test "x$ac_cv_cc_gnu89_inline" = xyes], -+ [WEXTRA="${WEXTRA:+$WEXTRA }-fgnu89-inline"]) -+ -+AC_CACHE_CHECK([for --as-needed linker option], -+ ac_cv_as_needed, [dnl -+cat > conftest.c <<EOF -+int main (void) { return 0; } -+EOF -+if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -+ -fPIC -shared -o conftest.so conftest.c -+ -Wl,--as-needed 1>&AS_MESSAGE_LOG_FD]) -+then -+ ac_cv_as_needed=yes -+else -+ ac_cv_as_needed=no -+fi -+rm -f conftest*]) -+AS_IF([test "x$ac_cv_as_needed" = xyes], -+ [LD_AS_NEEDED=-Wl,--as-needed], [LD_AS_NEEDED=]) -+AC_SUBST(LD_AS_NEEDED) -+ -+AC_CACHE_CHECK([for __builtin_popcount], ac_cv_popcount, [dnl -+AC_LINK_IFELSE([AC_LANG_PROGRAM([], [[exit (__builtin_popcount (127));]])], -+ ac_cv_popcount=yes, ac_cv_popcount=no)]) -+AS_IF([test "x$ac_cv_popcount" = xyes], -+ [AC_DEFINE([HAVE_BUILTIN_POPCOUNT], [1], [Have __builtin_popcount.])]) -+ - AC_CACHE_CHECK([for __thread support], ac_cv_tls, [dnl - # Use the same flags that we use for our DSOs, so the test is representative. - # Some old compiler/linker/libc combinations fail some ways and not others. -@@ -104,7 +152,10 @@ static __thread int a; int foo (int b) { - CFLAGS="$save_CFLAGS" - LDFLAGS="$save_LDFLAGS"]) - AS_IF([test "x$ac_cv_tls" != xyes], -- AC_MSG_ERROR([__thread support required])) -+ [AS_IF([test "$use_locks" = yes], -+ [AC_MSG_ERROR([--enable-thread-safety requires __thread support])], -+ [AC_DEFINE([__thread], [/* empty: no multi-thread support */], -+ [Stubbed out if missing compiler support.])])]) - - dnl This test must come as early as possible after the compiler configuration - dnl tests, because the choice of the file model can (in principle) affect -@@ -183,6 +234,11 @@ AM_CONDITIONAL(USE_VALGRIND, test "$use_ - AM_CONDITIONAL(BUILD_STATIC, [dnl - test "$use_gprof" = yes -o "$use_gcov" = yes]) - -+AC_ARG_ENABLE([werror], -+AS_HELP_STRING([--disable-werror],[do not build with -Werror]), -+ [enable_werror=$enableval], [enable_werror=yes]) -+AM_CONDITIONAL(BUILD_WERROR, test "$enable_werror" = yes) -+ - AC_ARG_ENABLE([tests-rpath], - AS_HELP_STRING([--enable-tests-rpath],[build $ORIGIN-using rpath into tests]), - [tests_use_rpath=$enableval], [tests_use_rpath=no]) -@@ -302,7 +358,7 @@ case "$eu_version" in - esac - - # Round up to the next release API (x.y) version. --eu_version=$(( (eu_version + 999) / 1000 )) -+eu_version=`expr ( $eu_version + 999 ) / 1000` - - AC_CHECK_SIZEOF(long) - ---- elfutils/lib/ChangeLog -+++ elfutils/lib/ChangeLog -@@ -65,6 +65,9 @@ - - 2009-01-23 Roland McGrath roland@redhat.com - -+ * eu-config.h [! HAVE_BUILTIN_POPCOUNT] -+ (__builtin_popcount): New inline function. -+ - * eu-config.h: Add multiple inclusion protection. - - 2009-01-17 Ulrich Drepper drepper@redhat.com -@@ -121,6 +124,11 @@ - * Makefile.am (libeu_a_SOURCES): Add it. - * system.h: Declare crc32_file. - -+2005-02-07 Roland McGrath roland@redhat.com -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-04-30 Ulrich Drepper drepper@redhat.com - - * Makefile.am: Use -ffunction-sections for xmalloc.c. ---- elfutils/lib/eu-config.h -+++ elfutils/lib/eu-config.h -@@ -162,6 +162,17 @@ asm (".section predict_data, "aw"; .pr - /* This macro is used by the tests conditionalize for standalone building. */ - #define ELFUTILS_HEADER(name) <lib##name.h> - -+#ifndef HAVE_BUILTIN_POPCOUNT -+# define __builtin_popcount hakmem_popcount -+static inline unsigned int __attribute__ ((unused)) -+hakmem_popcount (unsigned int x) -+{ -+ /* HAKMEM 169 */ -+ unsigned int n = x - ((x >> 1) & 033333333333) - ((x >> 2) & 011111111111); -+ return ((n + (n >> 3)) & 030707070707) % 63; -+} -+#endif /* HAVE_BUILTIN_POPCOUNT */ -+ - - #ifdef SHARED - # define OLD_VERSION(name, version) \ ---- elfutils/lib/Makefile.in -+++ elfutils/lib/Makefile.in -@@ -82,6 +82,7 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - subdir = lib - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -197,6 +198,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -228,6 +230,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -289,9 +292,11 @@ top_srcdir = @top_srcdir@ - zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(srcdir)/../libelf --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 $(if \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ - $($(*F)_no_Werror),,-Werror) $(if \ -- $($(*F)_no_Wunused),,-Wunused -Wextra) $($(*F)_CFLAGS) -fpic -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) -fpic - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda - textrel_msg = echo "WARNING: TEXTREL found in '$@'" ---- elfutils/libasm/ChangeLog -+++ elfutils/libasm/ChangeLog -@@ -87,6 +87,11 @@ - * asm_error.c: Add new error ASM_E_IOERROR. - * libasmP.h: Add ASM_E_IOERROR definition. - -+2005-05-31 Roland McGrath roland@redhat.com -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-02-15 Ulrich Drepper drepper@redhat.com - - * Makefile.am (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2. ---- elfutils/libasm/Makefile.in -+++ elfutils/libasm/Makefile.in -@@ -83,8 +83,9 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) $(pkginclude_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - noinst_PROGRAMS = $(am__EXEEXT_1) --@USE_LOCKS_TRUE@am__append_1 = -lpthread -+@USE_LOCKS_TRUE@am__append_2 = -lpthread - subdir = libasm - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -248,6 +249,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -279,6 +281,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -341,11 +344,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(top_srcdir)/libelf -I$(top_srcdir)/libebl \ - -I$(top_srcdir)/libdw --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(am_libasm_pic_a_OBJECTS) \ - libasm.so.$(VERSION) -@@ -373,7 +376,7 @@ libasm_a_SOURCES = asm_begin.c asm_abort - - libasm_pic_a_SOURCES = - am_libasm_pic_a_OBJECTS = $(libasm_a_SOURCES:.c=.os) --libasm_so_LDLIBS = $(am__append_1) -+libasm_so_LDLIBS = $(am__append_2) - libasm_so_SOURCES = - noinst_HEADERS = libasmP.h symbolhash.h - EXTRA_DIST = libasm.map ---- elfutils/libcpu/ChangeLog -+++ elfutils/libcpu/ChangeLog -@@ -51,6 +51,9 @@ - - 2009-01-23 Roland McGrath roland@redhat.com - -+ * i386_disasm.c (i386_disasm): Add abort after assert-constant for old -+ compilers that don't realize it's noreturn. -+ - * Makefile.am (i386_parse_CFLAGS): Use quotes around command - substitution that can produce leading whitespace. - -@@ -380,6 +383,11 @@ - * defs/i386.doc: New file. - * defs/x86_64: New file. - -+2005-04-04 Roland McGrath roland@redhat.com -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it instead of -Wextra. -+ - 2005-02-15 Ulrich Drepper drepper@redhat.com - - * Makefile (AM_CFLAGS): Add -Wunused -Wextra -Wformat=2. ---- elfutils/libcpu/i386_disasm.c -+++ elfutils/libcpu/i386_disasm.c -@@ -822,6 +822,7 @@ i386_disasm (const uint8_t **startp, con - - default: - assert (! "INVALID not handled"); -+ abort (); - } - } - else ---- elfutils/libcpu/Makefile.in -+++ elfutils/libcpu/Makefile.in -@@ -84,6 +84,7 @@ DIST_COMMON = $(top_srcdir)/config/eu.am - $(srcdir)/Makefile.am i386_lex.c i386_parse.c \ - $(top_srcdir)/config/depcomp $(top_srcdir)/config/ylwrap \ - $(am__noinst_HEADERS_DIST) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - @MAINTAINER_MODE_TRUE@noinst_PROGRAMS = i386_gendis$(EXEEXT) - subdir = libcpu - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -@@ -223,6 +224,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = lex.$(<F:lex.l=) -@@ -254,6 +256,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -316,10 +319,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(srcdir)/../libelf -I$(srcdir)/../libebl \ - -I$(srcdir)/../libdw -I$(srcdir)/../libasm --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 $(if \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ - $($(*F)_no_Werror),,-Werror) $(if \ -- $($(*F)_no_Wunused),,-Wunused -Wextra) $($(*F)_CFLAGS) -fpic \ -- -fdollars-in-identifiers -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) -fpic -fdollars-in-identifiers - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(foreach P,i386 x86_64,$P_defs \ - $P.mnemonics) ---- elfutils/libdw/ChangeLog -+++ elfutils/libdw/ChangeLog -@@ -717,6 +717,10 @@ - - * Makefile.am (known-dwarf.h): Run gawk on config/known-dwarf.awk. - -+2011-07-20 Mark Wielaard mjw@redhat.com -+ -+ * dwarf_begin_elf.c: Add fallback for be64toh if not defined. -+ - 2011-07-14 Mark Wielaard mjw@redhat.com - - * libdw.h (dwarf_offdie): Fix documentation to mention .debug_info. -@@ -1076,6 +1080,10 @@ - - * dwarf_hasattr_integrate.c: Integrate DW_AT_specification too. - -+2009-08-17 Roland McGrath roland@redhat.com -+ -+ * libdw.h: Disable extern inlines for GCC 4.2. -+ - 2009-08-10 Roland McGrath roland@redhat.com - - * dwarf_getscopevar.c: Use dwarf_diename. -@@ -1844,6 +1852,11 @@ - - 2005-05-31 Roland McGrath roland@redhat.com - -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ -+2005-05-31 Roland McGrath roland@redhat.com -+ - * dwarf_formref_die.c (dwarf_formref_die): Add CU header offset to - formref offset. - ---- elfutils/libdw/dwarf_begin_elf.c -+++ elfutils/libdw/dwarf_begin_elf.c -@@ -47,6 +47,14 @@ - #if USE_ZLIB - # include <endian.h> - # define crc32 loser_crc32 -+# ifndef be64toh -+# include <byteswap.h> -+# if __BYTE_ORDER == __LITTLE_ENDIAN -+# define be64toh(x) bswap_64 (x) -+# else -+# define be64toh(x) (x) -+# endif -+# endif - # include <zlib.h> - # undef crc32 - #endif ---- elfutils/libdw/libdw.h -+++ elfutils/libdw/libdw.h -@@ -1003,7 +1003,7 @@ extern Dwarf_OOM dwarf_new_oom_handler ( - - - /* Inline optimizations. */ --#ifdef __OPTIMIZE__ -+#if defined __OPTIMIZE__ && !(__GNUC__ == 4 && __GNUC_MINOR__ == 2) - /* Return attribute code of given attribute. */ - __libdw_extern_inline unsigned int - dwarf_whatattr (Dwarf_Attribute *attr) ---- elfutils/libdw/Makefile.in -+++ elfutils/libdw/Makefile.in -@@ -84,7 +84,8 @@ DIST_COMMON = $(top_srcdir)/config/eu.am - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(include_HEADERS) $(noinst_HEADERS) $(pkginclude_HEADERS) \ - ChangeLog --@BUILD_STATIC_TRUE@am__append_1 = -fpic -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) -+@BUILD_STATIC_TRUE@am__append_2 = -fpic - noinst_PROGRAMS = $(am__EXEEXT_1) - subdir = libdw - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -@@ -298,6 +299,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -329,6 +331,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -390,10 +393,11 @@ top_srcdir = @top_srcdir@ - zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(srcdir)/../libelf --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 $(if \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ - $($(*F)_no_Werror),,-Werror) $(if \ -- $($(*F)_no_Wunused),,-Wunused -Wextra) $($(*F)_CFLAGS) \ -- $(am__append_1) -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) $(am__append_2) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda - textrel_msg = echo "WARNING: TEXTREL found in '$@'" ---- elfutils/libdwelf/Makefile.in -+++ elfutils/libdwelf/Makefile.in -@@ -82,6 +82,7 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) $(pkginclude_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - subdir = libdwelf - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -227,6 +228,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -258,6 +260,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -320,11 +323,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(srcdir)/../libelf -I$(srcdir)/../libdw \ - -I$(srcdir)/../libdwfl -I$(srcdir)/../libebl --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(am_libdwelf_pic_a_OBJECTS) - textrel_msg = echo "WARNING: TEXTREL found in '$@'" ---- elfutils/libdwfl/ChangeLog -+++ elfutils/libdwfl/ChangeLog -@@ -571,6 +571,21 @@ - (dwfl_module_addrsym) (i_to_symfile): New function. - (dwfl_module_addrsym) (search_table): Use it. - -+2013-11-09 Jan Kratochvil jan.kratochvil@redhat.com -+ -+ Older OS compatibility bits. -+ * linux-core-attach.c (be64toh, le64toh, be32toh, le32toh): Provide -+ fallbacks if not defined by system. -+ -+2013-11-09 Jan Kratochvil jan.kratochvil@redhat.com -+ -+ Handle T-stopped detach for old kernels. -+ * linux-pid-attach.c (struct pid_arg): New field stopped. -+ (ptrace_attach): New parameter stoppedp. Set it appropriately. -+ (pid_set_initial_registers): Pass the new field. -+ (pid_thread_detach): Handle the case of STOPPED for old kernels. -+ (__libdwfl_attach_state_for_pid): Initialize STOPPED. -+ - 2013-11-07 Jan Kratochvil jan.kratochvil@redhat.com - Mark Wielaard mjw@redhat.com - -@@ -2336,6 +2351,11 @@ - - 2005-07-21 Roland McGrath roland@redhat.com - -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ -+2005-07-21 Roland McGrath roland@redhat.com -+ - * Makefile.am (noinst_HEADERS): Add loc2c.c. - - * test2.c (main): Check sscanf result to quiet warning. ---- elfutils/libdwfl/linux-core-attach.c -+++ elfutils/libdwfl/linux-core-attach.c -@@ -29,6 +29,35 @@ - #include "libdwflP.h" - #include <fcntl.h> - #include "system.h" -+#include <endian.h> -+#include <byteswap.h> -+#if __BYTE_ORDER == __LITTLE_ENDIAN -+# ifndef be64toh -+# define be64toh(x) bswap_64 (x) -+# endif -+# ifndef le64toh -+# define le64toh(x) (x) -+# endif -+# ifndef be32toh -+# define be32toh(x) bswap_32 (x) -+# endif -+# ifndef le32toh -+# define le32toh(x) (x) -+# endif -+#else -+# ifndef be64toh -+# define be64toh(x) (x) -+# endif -+# ifndef le64toh -+# define le64toh(x) bswap_64 (x) -+# endif -+# ifndef be32toh -+# define be32toh(x) (x) -+# endif -+# ifndef le32toh -+# define le32toh(x) bswap_32 (x) -+# endif -+#endif - - #include "../libdw/memory-access.h" - ---- elfutils/libdwfl/linux-pid-attach.c -+++ elfutils/libdwfl/linux-pid-attach.c -@@ -255,6 +255,11 @@ void - internal_function - __libdwfl_ptrace_detach (pid_t tid, bool tid_was_stopped) - { -+ // Older kernels (tested kernel-2.6.18-348.12.1.el5.x86_64) need special -+ // handling of the detachment to keep the process State: T (stopped). -+ if (tid_was_stopped) -+ syscall (__NR_tkill, tid, SIGSTOP); -+ - /* This handling is needed only on older Linux kernels such as - 2.6.32-358.23.2.el6.ppc64. Later kernels such as - 3.11.7-200.fc19.x86_64 remember the T (stopped) state -@@ -262,6 +267,15 @@ __libdwfl_ptrace_detach (pid_t tid, bool - PTRACE_DETACH. */ - ptrace (PTRACE_DETACH, tid, NULL, - (void *) (intptr_t) (tid_was_stopped ? SIGSTOP : 0)); -+ -+ if (tid_was_stopped) -+ { -+ // Wait till the SIGSTOP settles down. -+ int i; -+ for (i = 0; i < 100000; i++) -+ if (linux_proc_pid_is_stopped (tid)) -+ break; -+ } - } - - static void ---- elfutils/libdwfl/Makefile.in -+++ elfutils/libdwfl/Makefile.in -@@ -82,9 +82,10 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) $(pkginclude_HEADERS) ChangeLog --@ZLIB_TRUE@am__append_1 = gzip.c --@BZLIB_TRUE@am__append_2 = bzip2.c --@LZMA_TRUE@am__append_3 = lzma.c -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) -+@ZLIB_TRUE@am__append_2 = gzip.c -+@BZLIB_TRUE@am__append_3 = bzip2.c -+@LZMA_TRUE@am__append_4 = lzma.c - subdir = libdwfl - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -286,6 +287,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -317,6 +319,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -379,11 +382,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. -I$(srcdir) \ - -I$(srcdir)/../libelf -I$(srcdir)/../libebl \ - -I$(srcdir)/../libdw -I$(srcdir)/../libdwelf --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(am_libdwfl_pic_a_OBJECTS) - textrel_msg = echo "WARNING: TEXTREL found in '$@'" -@@ -413,8 +416,8 @@ libdwfl_a_SOURCES = dwfl_begin.c dwfl_en - dwfl_module_register_names.c dwfl_segment_report_module.c \ - link_map.c core-file.c open.c image-header.c dwfl_frame.c \ - frame_unwind.c dwfl_frame_pc.c linux-pid-attach.c \ -- linux-core-attach.c dwfl_frame_regs.c $(am__append_1) \ -- $(am__append_2) $(am__append_3) -+ linux-core-attach.c dwfl_frame_regs.c $(am__append_2) \ -+ $(am__append_3) $(am__append_4) - libdwfl = $(libdw) - libdw = ../libdw/libdw.so - libelf = ../libelf/libelf.so ---- elfutils/libebl/ChangeLog -+++ elfutils/libebl/ChangeLog -@@ -765,6 +765,11 @@ - * Makefile.am (libebl_*_so_SOURCES): Set to $(*_SRCS) so dependency - tracking works right. - -+2005-05-31 Roland McGrath roland@redhat.com -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-05-21 Ulrich Drepper drepper@redhat.com - - * libebl_x86_64.map: Add x86_64_core_note. ---- elfutils/libebl/Makefile.in -+++ elfutils/libebl/Makefile.in -@@ -82,6 +82,7 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(noinst_HEADERS) $(pkginclude_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - subdir = libebl - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -249,6 +250,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -280,6 +282,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -342,9 +345,11 @@ zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. \ - -I$(srcdir)/../libelf -I$(srcdir)/../libdw \ - -I$(srcdir)/../libasm --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 $(if \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ - $($(*F)_no_Werror),,-Werror) $(if \ -- $($(*F)_no_Wunused),,-Wunused -Wextra) $($(*F)_CFLAGS) -fpic -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) -fpic - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(am_libebl_pic_a_OBJECTS) - textrel_msg = echo "WARNING: TEXTREL found in '$@'" ---- elfutils/libelf/ChangeLog -+++ elfutils/libelf/ChangeLog -@@ -244,6 +244,11 @@ - - * elf-knowledge.h (SECTION_STRIP_P): Remove < SHT_NUM check. - -+2011-03-10 Roland McGrath roland@redhat.com -+ -+ * gnuhash_xlate.h (elf_cvt_gnuhash): Avoid post-increment in bswap_32 -+ argument, since some implementations are buggy macros. -+ - 2011-02-26 Mark Wielaard mjw@redhat.com - - * elf_end.c (elf_end): Call rwlock_unlock before rwlock_fini. -@@ -921,6 +926,11 @@ - - * elf.h: Update from glibc. - -+2005-05-31 Roland McGrath roland@redhat.com -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-05-08 Roland McGrath roland@redhat.com - - * elf_begin.c (read_file) [_MUDFLAP]: Don't use mmap for now. ---- elfutils/libelf/common.h -+++ elfutils/libelf/common.h -@@ -139,7 +139,7 @@ libelf_release_all (Elf *elf) - (Var) = (sizeof (Var) == 1 \ - ? (unsigned char) (Var) \ - : (sizeof (Var) == 2 \ -- ? bswap_16 (Var) \ -+ ? (unsigned short int) bswap_16 (Var) \ - : (sizeof (Var) == 4 \ - ? bswap_32 (Var) \ - : bswap_64 (Var)))) -@@ -148,7 +148,7 @@ libelf_release_all (Elf *elf) - (Dst) = (sizeof (Var) == 1 \ - ? (unsigned char) (Var) \ - : (sizeof (Var) == 2 \ -- ? bswap_16 (Var) \ -+ ? (unsigned short int) bswap_16 (Var) \ - : (sizeof (Var) == 4 \ - ? bswap_32 (Var) \ - : bswap_64 (Var)))) ---- elfutils/libelf/gnuhash_xlate.h -+++ elfutils/libelf/gnuhash_xlate.h -@@ -1,5 +1,5 @@ - /* Conversion functions for versioning information. -- Copyright (C) 2006, 2007 Red Hat, Inc. -+ Copyright (C) 2006-2011 Red Hat, Inc. - This file is part of elfutils. - Written by Ulrich Drepper drepper@redhat.com, 2006. - -@@ -68,7 +68,9 @@ elf_cvt_gnuhash (void *dest, const void - dest32 = (Elf32_Word *) &dest64[bitmask_words]; - while (len >= 4) - { -- *dest32++ = bswap_32 (*src32++); -+ *dest32 = bswap_32 (*src32); -+ ++dest32; -+ ++src32; - len -= 4; - } - } ---- elfutils/libelf/Makefile.in -+++ elfutils/libelf/Makefile.in -@@ -84,9 +84,10 @@ DIST_COMMON = $(top_srcdir)/config/eu.am - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(include_HEADERS) $(noinst_HEADERS) $(pkginclude_HEADERS) \ - ChangeLog --@BUILD_STATIC_TRUE@am__append_1 = -fpic -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) -+@BUILD_STATIC_TRUE@am__append_2 = -fpic - noinst_PROGRAMS = $(am__EXEEXT_1) --@USE_LOCKS_TRUE@am__append_2 = -lpthread -+@USE_LOCKS_TRUE@am__append_3 = -lpthread - subdir = libelf - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -291,6 +292,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -322,6 +324,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = 1 -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -382,10 +385,11 @@ top_builddir = @top_builddir@ - top_srcdir = @top_srcdir@ - zip_LIBS = @zip_LIBS@ - AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 $(if \ -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ - $($(*F)_no_Werror),,-Werror) $(if \ -- $($(*F)_no_Wunused),,-Wunused -Wextra) $($(*F)_CFLAGS) \ -- $(am__append_1) -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) $(am__append_2) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda $(am_libelf_pic_a_OBJECTS) \ - libelf.so.$(VERSION) -@@ -449,7 +453,7 @@ libelf_a_SOURCES = elf_version.c elf_has - - libelf_pic_a_SOURCES = - am_libelf_pic_a_OBJECTS = $(libelf_a_SOURCES:.c=.os) --libelf_so_LDLIBS = $(am__append_2) -+libelf_so_LDLIBS = $(am__append_3) - libelf_so_SOURCES = - noinst_HEADERS = elf.h abstract.h common.h exttypes.h gelf_xlate.h libelfP.h \ - version_xlate.h gnuhash_xlate.h note_xlate.h dl-hash.h ---- elfutils/m4/Makefile.in -+++ elfutils/m4/Makefile.in -@@ -145,6 +145,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -176,6 +177,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ ---- elfutils/Makefile.in -+++ elfutils/Makefile.in -@@ -263,6 +263,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -294,6 +295,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ ---- elfutils/src/addr2line.c -+++ elfutils/src/addr2line.c -@@ -540,10 +540,10 @@ handle_address (const char *string, Dwfl - bool parsed = false; - int i, j; - char *name = NULL; -- if (sscanf (string, "(%m[^)])%" PRIiMAX "%n", &name, &addr, &i) == 2 -+ if (sscanf (string, "(%a[^)])%" PRIiMAX "%n", &name, &addr, &i) == 2 - && string[i] == '\0') - parsed = adjust_to_section (name, &addr, dwfl); -- switch (sscanf (string, "%m[^-+]%n%" PRIiMAX "%n", &name, &i, &addr, &j)) -+ switch (sscanf (string, "%a[^-+]%n%" PRIiMAX "%n", &name, &i, &addr, &j)) - { - default: - break; ---- elfutils/src/ChangeLog -+++ elfutils/src/ChangeLog -@@ -1371,8 +1371,16 @@ - * readelf.c (attr_callback): Use print_block only when we don't use - print_ops. - -+2009-08-17 Roland McGrath roland@redhat.com -+ -+ * ld.h: Disable extern inlines for GCC 4.2. -+ - 2009-08-14 Roland McGrath roland@redhat.com - -+ * strings.c (read_block): Conditionalize posix_fadvise use -+ on [POSIX_FADV_SEQUENTIAL]. -+ From Petr Salinger Petr.Salinger@seznam.cz. -+ - * ar.c (do_oper_extract): Use pathconf instead of statfs. - - 2009-08-01 Ulrich Drepper drepper@redhat.com -@@ -1536,6 +1544,8 @@ - * readelf.c (print_debug_frame_section): Use t instead of j formats - for ptrdiff_t OFFSET. - -+ * addr2line.c (handle_address): Use %a instead of %m for compatibility. -+ - 2009-01-21 Ulrich Drepper drepper@redhat.com - - * elflint.c (check_program_header): Fix typo in .eh_frame_hdr section -@@ -1719,6 +1729,11 @@ - that matches its PT_LOAD's p_flags &~ PF_W. On sparc, PF_X really - is valid in RELRO. - -+2008-03-01 Roland McGrath roland@redhat.com -+ -+ * readelf.c (dump_archive_index): Tweak portability hack -+ to match [__GNUC__ < 4] too. -+ - 2008-02-29 Roland McGrath roland@redhat.com - - * readelf.c (print_attributes): Add a cast. -@@ -1970,6 +1985,8 @@ - - * readelf.c (hex_dump): Fix rounding error in whitespace calculation. - -+ * Makefile.am (readelf_no_Werror): New variable. -+ - 2007-10-15 Roland McGrath roland@redhat.com - - * make-debug-archive.in: New file. -@@ -2409,6 +2426,10 @@ - * elflint.c (valid_e_machine): Add EM_ALPHA. - Reported by Christian Aichinger Greek0@gmx.net. - -+ * strings.c (map_file): Define POSIX_MADV_SEQUENTIAL to -+ MADV_SEQUENTIAL if undefined. Don't call posix_madvise -+ if neither is defined. -+ - 2006-08-08 Ulrich Drepper drepper@redhat.com - - * elflint.c (check_dynamic): Don't require DT_HASH for DT_SYMTAB. -@@ -2485,6 +2506,10 @@ - * Makefile.am: Add hacks to create dependency files for non-generic - linker. - -+2006-04-05 Roland McGrath roland@redhat.com -+ -+ * strings.c (MAP_POPULATE): Define to 0 if undefined. -+ - 2006-06-12 Ulrich Drepper drepper@redhat.com - - * ldgeneric.c (ld_generic_generate_sections): Don't create .interp -@@ -2833,6 +2858,11 @@ - * readelf.c (print_debug_loc_section): Fix indentation for larger - address size. - -+2005-05-31 Roland McGrath roland@redhat.com -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-05-30 Roland McGrath roland@redhat.com - - * readelf.c (print_debug_line_section): Print section offset of each ---- elfutils/src/findtextrel.c -+++ elfutils/src/findtextrel.c -@@ -502,7 +502,11 @@ ptrcompare (const void *p1, const void * - - - static void --check_rel (size_t nsegments, struct segments segments[nsegments], -+check_rel (size_t nsegments, struct segments segments[ -+#if __GNUC__ >= 4 -+ nsegments -+#endif -+ ], - GElf_Addr addr, Elf *elf, Elf_Scn *symscn, Dwarf *dw, - const char *fname, bool more_than_one, void **knownsrcs) - { ---- elfutils/src/ld.h -+++ elfutils/src/ld.h -@@ -1114,6 +1114,7 @@ extern bool dynamically_linked_p (void); - - /* Checked whether the symbol is undefined and referenced from a DSO. */ - extern bool linked_from_dso_p (struct scninfo *scninfo, size_t symidx); -+#if defined __OPTIMIZE__ && !(__GNUC__ == 4 && __GNUC_MINOR__ == 2) - #ifdef __GNUC_STDC_INLINE__ - __attribute__ ((__gnu_inline__)) - #endif -@@ -1131,5 +1132,6 @@ linked_from_dso_p (struct scninfo *scnin - - return sym->defined && sym->in_dso; - } -+#endif /* Optimizing and not GCC 4.2. */ - - #endif /* ld.h */ ---- elfutils/src/Makefile.am -+++ elfutils/src/Makefile.am -@@ -89,6 +89,11 @@ endif - # XXX While the file is not finished, don't warn about this - ldgeneric_no_Wunused = yes - -+# Buggy old compilers or libc headers. -+readelf_no_Werror = yes -+strings_no_Werror = yes -+addr2line_no_Wformat = yes -+ - readelf_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) -ldl - nm_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) -ldl \ - $(demanglelib) ---- elfutils/src/Makefile.in -+++ elfutils/src/Makefile.in -@@ -85,6 +85,7 @@ DIST_COMMON = $(top_srcdir)/config/eu.am - $(srcdir)/Makefile.am ldlex.c ldscript.c \ - $(top_srcdir)/config/depcomp $(top_srcdir)/config/ylwrap \ - $(noinst_HEADERS) ChangeLog -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) - bin_PROGRAMS = readelf$(EXEEXT) nm$(EXEEXT) size$(EXEEXT) \ - strip$(EXEEXT) ld$(EXEEXT) elflint$(EXEEXT) \ - findtextrel$(EXEEXT) addr2line$(EXEEXT) elfcmp$(EXEEXT) \ -@@ -93,9 +94,9 @@ bin_PROGRAMS = readelf$(EXEEXT) nm$(EXEE - @NATIVE_LD_FALSE@noinst_PROGRAMS = $(am__EXEEXT_1) - # We never build this library but we need to get the dependency files - # of all the linker backends that might be used in a non-generic linker. --@NEVER_TRUE@am__append_1 = libdummy.a -+@NEVER_TRUE@am__append_2 = libdummy.a - # -ldl is always needed for libebl. --@NATIVE_LD_TRUE@am__append_2 = libld_elf.a -+@NATIVE_LD_TRUE@am__append_3 = libld_elf.a - @NATIVE_LD_TRUE@am_libld_elf_i386_pic_a_OBJECTS = - subdir = src - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 -@@ -159,7 +160,7 @@ am_ld_OBJECTS = ld.$(OBJEXT) ldgeneric.$ - ldscript.$(OBJEXT) symbolhash.$(OBJEXT) sectionhash.$(OBJEXT) \ - versionhash.$(OBJEXT) - ld_OBJECTS = $(am_ld_OBJECTS) --ld_DEPENDENCIES = $(libebl) $(libelf) $(libeu) $(am__append_2) -+ld_DEPENDENCIES = $(libebl) $(libelf) $(libeu) $(am__append_3) - ld_LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(ld_LDFLAGS) $(LDFLAGS) -o \ - $@ - am_libld_elf_i386_so_OBJECTS = -@@ -340,6 +341,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -371,6 +373,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -434,11 +437,11 @@ AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_sr - -I$(srcdir)/../libelf -I$(srcdir)/../libebl \ - -I$(srcdir)/../libdw -I$(srcdir)/../libdwelf \ - -I$(srcdir)/../libdwfl -I$(srcdir)/../libasm --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda make-debug-archive none_ld.os \ - $(ld_modules:.c=.os) *.gconv -@@ -452,8 +455,8 @@ AM_LFLAGS = -Pld -olex.yy.c - native_ld = @native_ld@ - ld_dsos = libld_elf_i386_pic.a - @NATIVE_LD_FALSE@noinst_LIBRARIES = libld_elf.a libar.a $(ld_dsos) \ --@NATIVE_LD_FALSE@ $(am__append_1) --@NATIVE_LD_TRUE@noinst_LIBRARIES = libld_elf.a libar.a $(am__append_1) -+@NATIVE_LD_FALSE@ $(am__append_2) -+@NATIVE_LD_TRUE@noinst_LIBRARIES = libld_elf.a libar.a $(am__append_2) - @NATIVE_LD_TRUE@native_ld_cflags = -DBASE_ELF_NAME=elf_$(base_cpu) - @NEVER_TRUE@libdummy_a_SOURCES = i386_ld.c - ld_SOURCES = ld.c ldgeneric.c ldlex.l ldscript.y symbolhash.c sectionhash.c \ -@@ -479,13 +482,18 @@ libeu = ../lib/libeu.a - - # XXX While the file is not finished, don't warn about this - ldgeneric_no_Wunused = yes -+ -+# Buggy old compilers or libc headers. -+readelf_no_Werror = yes -+strings_no_Werror = yes -+addr2line_no_Wformat = yes - readelf_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) -ldl - nm_LDADD = $(libdw) $(libebl) $(libelf) $(libeu) -ldl \ - $(demanglelib) - - size_LDADD = $(libelf) $(libeu) - strip_LDADD = $(libebl) $(libelf) $(libeu) -ldl --ld_LDADD = $(libebl) $(libelf) $(libeu) -ldl $(am__append_2) -+ld_LDADD = $(libebl) $(libelf) $(libeu) -ldl $(am__append_3) - ld_LDFLAGS = -rdynamic - elflint_LDADD = $(libebl) $(libelf) $(libeu) -ldl - findtextrel_LDADD = $(libdw) $(libelf) ---- elfutils/src/readelf.c -+++ elfutils/src/readelf.c -@@ -4368,10 +4368,12 @@ listptr_base (struct listptr *p) - return base; - } - -+static const char *listptr_name; -+ - static int --compare_listptr (const void *a, const void *b, void *arg) -+compare_listptr (const void *a, const void *b) - { -- const char *name = arg; -+ const char *const name = listptr_name; - struct listptr *p1 = (void *) a; - struct listptr *p2 = (void *) b; - -@@ -4467,8 +4469,11 @@ static void - sort_listptr (struct listptr_table *table, const char *name) - { - if (table->n > 0) -- qsort_r (table->table, table->n, sizeof table->table[0], -- &compare_listptr, (void *) name); -+ { -+ listptr_name = name; -+ qsort (table->table, table->n, sizeof table->table[0], -+ &compare_listptr); -+ } - } - - static bool -@@ -9539,7 +9544,7 @@ dump_archive_index (Elf *elf, const char - if (unlikely (elf_rand (elf, as_off) == 0) - || unlikely ((subelf = elf_begin (-1, ELF_C_READ_MMAP, elf)) - == NULL)) --#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 7) -+#if __GLIBC__ < 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 7) || __GNUC__ < 4 - while (1) - #endif - error (EXIT_FAILURE, 0, ---- elfutils/src/strings.c -+++ elfutils/src/strings.c -@@ -43,6 +43,10 @@ - - #include <system.h> - -+#ifndef MAP_POPULATE -+# define MAP_POPULATE 0 -+#endif -+ - - /* Prototypes of local functions. */ - static int read_fd (int fd, const char *fname, off64_t fdlen); -@@ -489,8 +493,13 @@ map_file (int fd, off64_t start_off, off - fd, start_off); - if (mem != MAP_FAILED) - { -+#if !defined POSIX_MADV_SEQUENTIAL && defined MADV_SEQUENTIAL -+# define POSIX_MADV_SEQUENTIAL MADV_SEQUENTIAL -+#endif -+#ifdef POSIX_MADV_SEQUENTIAL - /* We will go through the mapping sequentially. */ - (void) posix_madvise (mem, map_size, POSIX_MADV_SEQUENTIAL); -+#endif - break; - } - if (errno != EINVAL && errno != ENOMEM) -@@ -581,9 +590,11 @@ read_block (int fd, const char *fname, o - elfmap_off = from & ~(ps - 1); - elfmap_base = elfmap = map_file (fd, elfmap_off, fdlen, &elfmap_size); - -+#ifdef POSIX_FADV_SEQUENTIAL - if (unlikely (elfmap == MAP_FAILED)) - /* Let the kernel know we are going to read everything in sequence. */ - (void) posix_fadvise (fd, 0, 0, POSIX_FADV_SEQUENTIAL); -+#endif - } - - if (unlikely (elfmap == MAP_FAILED)) ---- elfutils/src/strip.c -+++ elfutils/src/strip.c -@@ -45,6 +45,12 @@ - #include <libebl.h> - #include <system.h> - -+#ifdef HAVE_FUTIMES -+# define FUTIMES(fd, fname, tvp) futimes (fd, tvp) -+#else -+# define FUTIMES(fd, fname, tvp) utimes (fname, tvp) -+#endif -+ - typedef uint8_t GElf_Byte; - - /* Name and version of program. */ -@@ -318,8 +324,18 @@ process_file (const char *fname) - - /* If we have to preserve the timestamp, we need it in the - format utimes() understands. */ -+#ifdef HAVE_STRUCT_STAT_ST_ATIM - TIMESPEC_TO_TIMEVAL (&tv[0], &pre_st.st_atim); -+#else -+ tv[0].tv_sec = pre_st.st_atime; -+ tv[0].tv_usec = 0; -+#endif -+#ifdef HAVE_STRUCT_STAT_ST_MTIM - TIMESPEC_TO_TIMEVAL (&tv[1], &pre_st.st_mtim); -+#else -+ tv[1].tv_sec = pre_st.st_atime; -+ tv[1].tv_usec = 0; -+#endif - } - - /* Open the file. */ -@@ -2091,7 +2107,7 @@ while computing checksum for debug infor - /* If requested, preserve the timestamp. */ - if (tvp != NULL) - { -- if (futimes (fd, tvp) != 0) -+ if (FUTIMES (fd, output_fname, tvp) != 0) - { - error (0, errno, gettext ("\ - cannot set access and modification date of '%s'"), -@@ -2148,7 +2164,7 @@ handle_ar (int fd, Elf *elf, const char - - if (tvp != NULL) - { -- if (unlikely (futimes (fd, tvp) != 0)) -+ if (unlikely (FUTIMES (fd, fname, tvp) != 0)) - { - error (0, errno, gettext ("\ - cannot set access and modification date of '%s'"), fname); ---- elfutils/tests/backtrace.c -+++ elfutils/tests/backtrace.c -@@ -36,6 +36,7 @@ - #include <fcntl.h> - #include <string.h> - #include <argp.h> -+#include <sys/syscall.h> - #include ELFUTILS_HEADER(dwfl) - - #ifndef __linux__ ---- elfutils/tests/ChangeLog -+++ elfutils/tests/ChangeLog -@@ -421,6 +421,13 @@ - - 2013-12-02 Jan Kratochvil jan.kratochvil@redhat.com - -+ Handle T-stopped detach for old kernels. -+ * backtrace.c: Include sys/syscall.h. -+ (linux_proc_pid_is_stopped): New function. -+ (ptrace_detach_stopped): Handle old kernels. -+ -+2013-12-02 Jan Kratochvil jan.kratochvil@redhat.com -+ - * Makefile.am (check_PROGRAMS): Add backtrace, backtrace-child, - backtrace-data and backtrace-dwarf. - (BUILT_SOURCES, clean-local, backtrace-child-biarch): New. -@@ -1285,6 +1292,8 @@ - - 2008-01-21 Roland McGrath roland@redhat.com - -+ * line2addr.c (main): Revert last change. -+ - * testfile45.S.bz2: Add tests for cltq, cqto. - * testfile45.expect.bz2: Adjust. - -@@ -1993,6 +2002,11 @@ - * Makefile.am (TESTS): Add run-elflint-test.sh. - (EXTRA_DIST): Add run-elflint-test.sh and testfile18.bz2. - -+2005-05-31 Roland McGrath roland@redhat.com -+ -+ * Makefile.am (WEXTRA): New variable, substituted by configure. -+ (AM_CFLAGS): Use it in place of -Wextra. -+ - 2005-05-24 Ulrich Drepper drepper@redhat.com - - * get-files.c (main): Use correct format specifier. ---- elfutils/tests/line2addr.c -+++ elfutils/tests/line2addr.c -@@ -124,7 +124,7 @@ main (int argc, char *argv[]) - { - struct args a = { .arg = argv[cnt] }; - -- switch (sscanf (a.arg, "%m[^:]:%d", &a.file, &a.line)) -+ switch (sscanf (a.arg, "%a[^:]:%d", &a.file, &a.line)) - { - default: - case 0: ---- elfutils/tests/Makefile.am -+++ elfutils/tests/Makefile.am -@@ -365,6 +365,7 @@ get_lines_LDADD = $(libdw) $(libelf) - get_files_LDADD = $(libdw) $(libelf) - get_aranges_LDADD = $(libdw) $(libelf) - allfcts_LDADD = $(libdw) $(libelf) -+line2addr_no_Wformat = yes - line2addr_LDADD = $(libdw) - addrscopes_LDADD = $(libdw) - funcscopes_LDADD = $(libdw) ---- elfutils/tests/Makefile.in -+++ elfutils/tests/Makefile.in -@@ -80,13 +80,14 @@ host_triplet = @host@ - DIST_COMMON = $(top_srcdir)/config/eu.am $(srcdir)/Makefile.in \ - $(srcdir)/Makefile.am $(top_srcdir)/config/depcomp \ - $(top_srcdir)/config/test-driver ChangeLog --@STANDALONE_FALSE@am__append_1 = -I$(top_srcdir)/libasm -I$(top_srcdir)/libdw \ -+@BUILD_WERROR_TRUE@am__append_1 = $(if $($(*F)_no_Werror),,-Werror) -+@STANDALONE_FALSE@am__append_2 = -I$(top_srcdir)/libasm -I$(top_srcdir)/libdw \ - @STANDALONE_FALSE@ -I$(top_srcdir)/libdwfl -I$(top_srcdir)/libdwelf \ - @STANDALONE_FALSE@ -I$(top_srcdir)/libebl -I$(top_srcdir)/libelf \ - @STANDALONE_FALSE@ -I$(top_srcdir)/lib -I.. - --@STANDALONE_FALSE@am__append_2 = -Wl,-rpath-link,../libasm:../libdw:../libelf --@TESTS_RPATH_TRUE@am__append_3 = -Wl,-rpath,$(BUILD_RPATH) -+@STANDALONE_FALSE@am__append_3 = -Wl,-rpath-link,../libasm:../libdw:../libelf -+@TESTS_RPATH_TRUE@am__append_4 = -Wl,-rpath,$(BUILD_RPATH) - check_PROGRAMS = arextract$(EXEEXT) arsymtest$(EXEEXT) \ - newfile$(EXEEXT) saridx$(EXEEXT) scnnames$(EXEEXT) \ - sectiondump$(EXEEXT) showptable$(EXEEXT) update1$(EXEEXT) \ -@@ -113,7 +114,7 @@ check_PROGRAMS = arextract$(EXEEXT) arsy - deleted$(EXEEXT) deleted-lib.so$(EXEEXT) \ - aggregate_size$(EXEEXT) vdsosyms$(EXEEXT) $(am__EXEEXT_1) \ - $(am__EXEEXT_2) $(am__EXEEXT_4) --@BIARCH_TRUE@am__append_4 = backtrace-child-biarch -+@BIARCH_TRUE@am__append_5 = backtrace-child-biarch - TESTS = run-arextract.sh run-arsymtest.sh newfile$(EXEEXT) \ - test-nlist$(EXEEXT) update1$(EXEEXT) update2$(EXEEXT) \ - update3$(EXEEXT) update4$(EXEEXT) run-show-die-info.sh \ -@@ -159,14 +160,14 @@ TESTS = run-arextract.sh run-arsymtest.s - run-stack-i-test.sh run-readelf-dwz-multi.sh \ - run-allfcts-multi.sh run-deleted.sh run-linkmap-cut.sh \ - run-aggregate-size.sh vdsosyms$(EXEEXT) run-readelf-A.sh \ -- $(am__EXEEXT_2) $(am__append_7) $(am__append_8) \ -+ $(am__EXEEXT_2) $(am__append_8) $(am__append_9) \ - $(am__EXEEXT_4) --@STANDALONE_FALSE@am__append_5 = msg_tst md5-sha1-test - @STANDALONE_FALSE@am__append_6 = msg_tst md5-sha1-test --@LZMA_TRUE@am__append_7 = run-readelf-s.sh run-dwflsyms.sh --@ZLIB_TRUE@am__append_8 = run-readelf-zdebug.sh --@HAVE_LIBASM_TRUE@am__append_9 = $(asm_TESTS) -+@STANDALONE_FALSE@am__append_7 = msg_tst md5-sha1-test -+@LZMA_TRUE@am__append_8 = run-readelf-s.sh run-dwflsyms.sh -+@ZLIB_TRUE@am__append_9 = run-readelf-zdebug.sh - @HAVE_LIBASM_TRUE@am__append_10 = $(asm_TESTS) -+@HAVE_LIBASM_TRUE@am__append_11 = $(asm_TESTS) - subdir = tests - ACLOCAL_M4 = $(top_srcdir)/aclocal.m4 - am__aclocal_m4_deps = $(top_srcdir)/m4/biarch.m4 \ -@@ -787,6 +788,7 @@ INSTALL_PROGRAM = @INSTALL_PROGRAM@ - INSTALL_SCRIPT = @INSTALL_SCRIPT@ - INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@ - LDFLAGS = @LDFLAGS@ -+LD_AS_NEEDED = @LD_AS_NEEDED@ - LEX = @LEX@ - LEXLIB = @LEXLIB@ - LEX_OUTPUT_ROOT = @LEX_OUTPUT_ROOT@ -@@ -818,6 +820,7 @@ SHELL = @SHELL@ - STRIP = @STRIP@ - USE_NLS = @USE_NLS@ - VERSION = @VERSION@ -+WEXTRA = @WEXTRA@ - XGETTEXT = @XGETTEXT@ - XGETTEXT_015 = @XGETTEXT_015@ - XGETTEXT_EXTRA_OPTIONS = @XGETTEXT_EXTRA_OPTIONS@ -@@ -877,12 +880,12 @@ top_build_prefix = @top_build_prefix@ - top_builddir = @top_builddir@ - top_srcdir = @top_srcdir@ - zip_LIBS = @zip_LIBS@ --AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. $(am__append_1) --AM_CFLAGS = -std=gnu99 -Wall -Wshadow -Wformat=2 \ -- $(if $($(*F)_no_Werror),,-Werror) \ -- $(if $($(*F)_no_Wunused),,-Wunused -Wextra) \ -- $($(*F)_CFLAGS) -- -+AM_CPPFLAGS = -I. -I$(srcdir) -I$(top_srcdir)/lib -I.. $(am__append_2) -+AM_CFLAGS = -std=gnu99 -Wall -Wshadow $(if \ -+ $($(*F)_no_Werror),,-Werror) $(if \ -+ $($(*F)_no_Wunused),,-Wunused $(WEXTRA)) $(if \ -+ $($(*F)_no_Wformat),-Wno-format,-Wformat=2) $($(*F)_CFLAGS) \ -+ $(am__append_1) - COMPILE.os = $(filter-out -fprofile-arcs -ftest-coverage, $(COMPILE)) - CLEANFILES = *.gcno *.gcda - textrel_msg = echo "WARNING: TEXTREL found in '$@'" -@@ -890,7 +893,7 @@ textrel_msg = echo "WARNING: TEXTREL fou - @FATAL_TEXTREL_TRUE@textrel_found = $(textrel_msg); exit 1 - textrel_check = if $(READELF) -d $@ | fgrep -q TEXTREL; then $(textrel_found); fi - BUILD_RPATH = $$ORIGIN/../libasm:$$ORIGIN/../libdw:$$ORIGIN/../backends:$$ORIGIN/../libelf --AM_LDFLAGS = $(am__append_2) $(am__append_3) -+AM_LDFLAGS = $(am__append_3) $(am__append_4) - @TESTS_RPATH_FALSE@tests_rpath = no - @TESTS_RPATH_TRUE@tests_rpath = yes - asm_TESTS = asm-tst1 asm-tst2 asm-tst3 asm-tst4 asm-tst5 \ -@@ -1106,6 +1109,7 @@ get_lines_LDADD = $(libdw) $(libelf) - get_files_LDADD = $(libdw) $(libelf) - get_aranges_LDADD = $(libdw) $(libelf) - allfcts_LDADD = $(libdw) $(libelf) -+line2addr_no_Wformat = yes - line2addr_LDADD = $(libdw) - addrscopes_LDADD = $(libdw) - funcscopes_LDADD = $(libdw) diff --git a/gzip/gzip.nm b/gzip/gzip.nm index 1ba2326..a75fe44 100644 --- a/gzip/gzip.nm +++ b/gzip/gzip.nm @@ -4,7 +4,7 @@ ############################################################################### name = gzip -version = 1.7 +version = 1.8 release = 1 groups = Applications/Compression diff --git a/kernel/config-arm-generic b/kernel/config-arm-generic index b9b348e..f0abbd1 100644 --- a/kernel/config-arm-generic +++ b/kernel/config-arm-generic @@ -1,5 +1,6 @@ CONFIG_SWIOTLB=y CONFIG_IOMMU_HELPER=y +CONFIG_KERNEL_MODE_NEON=y CONFIG_PGTABLE_LEVELS=2 # @@ -8,6 +9,15 @@ CONFIG_PGTABLE_LEVELS=2 CONFIG_GENERIC_IRQ_SHOW_LEVEL=y CONFIG_HARDIRQS_SW_RESEND=y CONFIG_HANDLE_DOMAIN_IRQ=y +CONFIG_ARCH_HAS_TICK_BROADCAST=y + +# +# Timers subsystem +# +# CONFIG_NO_HZ_IDLE is not set +CONFIG_NO_HZ_FULL=y +# CONFIG_NO_HZ_FULL_ALL is not set +# CONFIG_NO_HZ_FULL_SYSIDLE is not set # # CPU/Task time and stats accounting @@ -19,6 +29,9 @@ CONFIG_VIRT_CPU_ACCOUNTING_GEN=y # RCU Subsystem # CONFIG_CONTEXT_TRACKING=y +CONFIG_RCU_USER_QS=y +CONFIG_RCU_NOCB_CPU_NONE=y +# CONFIG_RCU_NOCB_CPU_ALL is not set CONFIG_GENERIC_SCHED_CLOCK=y CONFIG_PERF_USE_VMALLOC=y @@ -28,8 +41,14 @@ CONFIG_PERF_USE_VMALLOC=y CONFIG_CLONE_BACKWARDS=y # +# Platform selection +# +CONFIG_ARCH_VEXPRESS=y + +# # Bus support # +CONFIG_PCI_DOMAINS_GENERIC=y CONFIG_PCI_SYSCALL=y # CONFIG_PCI_MSI is not set # CONFIG_PCI_STUB is not set @@ -49,6 +68,7 @@ CONFIG_PCIEASPM_DEFAULT=y # ARM errata workarounds via the alternatives framework # # CONFIG_CPU_BIG_ENDIAN is not set +CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y CONFIG_HW_PERF_EVENTS=y CONFIG_DEFAULT_MMAP_MIN_ADDR=32768 @@ -60,7 +80,6 @@ CONFIG_DEFAULT_MMAP_MIN_ADDR=32768 # # Power management options # -CONFIG_PM_OPP=y CONFIG_CPU_PM=y # @@ -77,7 +96,8 @@ CONFIG_CPU_FREQ_STAT=y # # CPU frequency scaling drivers # -CONFIG_CPUFREQ_DT=m +CONFIG_ARM_BIG_LITTLE_CPUFREQ=m +# CONFIG_ARM_KIRKWOOD_CPUFREQ is not set # # Classification @@ -93,6 +113,12 @@ CONFIG_BPF_JIT=y # CONFIG_RFKILL_GPIO is not set # +# Device Drivers +# +CONFIG_ARM_AMBA=y +CONFIG_TEGRA_AHB=y + +# # Generic Driver Options # CONFIG_DMA_CMA=y @@ -111,28 +137,16 @@ CONFIG_CMA_ALIGNMENT=8 # Bus devices # CONFIG_ARM_CCI=y +CONFIG_ARM_CCI_PMU=y CONFIG_ARM_CCI400_COMMON=y CONFIG_ARM_CCI400_PMU=y +CONFIG_ARM_CCI500_PMU=y # CONFIG_ARM_CCN is not set CONFIG_VEXPRESS_CONFIG=y CONFIG_DTC=y -CONFIG_OF=y - -# -# Device Tree and Open Firmware support -# -# CONFIG_OF_UNITTEST is not set CONFIG_OF_FLATTREE=y CONFIG_OF_EARLY_FLATTREE=y -CONFIG_OF_ADDRESS=y -CONFIG_OF_ADDRESS_PCI=y -CONFIG_OF_IRQ=y -CONFIG_OF_NET=y -CONFIG_OF_MDIO=y -CONFIG_OF_PCI=y -CONFIG_OF_PCI_IRQ=y CONFIG_OF_RESERVED_MEM=y -# CONFIG_OF_OVERLAY is not set # CONFIG_PARPORT is not set # @@ -162,6 +176,7 @@ CONFIG_VEXPRESS_SYSCFG=y CONFIG_AIC79XX_RESET_DELAY_MS=5000 CONFIG_AIC79XX_REG_PRETTY_PRINT=y # CONFIG_SCSI_MVSAS_TASKLET is not set +# CONFIG_SCSI_ADVANSYS is not set # CONFIG_MEGARAID_NEWGEN is not set # @@ -184,10 +199,6 @@ CONFIG_MII=y # Distributed Switch Architecture drivers # CONFIG_AMD8111_ETH=y -CONFIG_ARC_EMAC_CORE=m -CONFIG_ARC_EMAC=m -CONFIG_EMAC_ROCKCHIP=m -CONFIG_SYSTEMPORT=m # CONFIG_CHELSIO_T1_1G is not set # CONFIG_DE2104X is not set # CONFIG_TULIP_MMIO is not set @@ -204,9 +215,6 @@ CONFIG_SMC91X=m # # MII PHY device drivers # -CONFIG_MDIO_BUS_MUX=m -CONFIG_MDIO_BUS_MUX_GPIO=m -CONFIG_MDIO_BUS_MUX_MMIOREG=m CONFIG_WIL6210_TRACING=y # CONFIG_IPW2100_MONITOR is not set # CONFIG_IPW2200_MONITOR is not set @@ -217,10 +225,7 @@ CONFIG_WIL6210_TRACING=y # # CONFIG_KEYBOARD_ADP5520 is not set # CONFIG_KEYBOARD_STMPE is not set -CONFIG_KEYBOARD_OMAP4=m -# CONFIG_KEYBOARD_TC3589X is not set # CONFIG_KEYBOARD_CAP11XX is not set -CONFIG_KEYBOARD_BCM=m CONFIG_INPUT_MAX77693_HAPTIC=m # CONFIG_INPUT_MAX8997_HAPTIC is not set # CONFIG_INPUT_GPIO_BEEPER is not set @@ -232,7 +237,7 @@ CONFIG_INPUT_MAX77693_HAPTIC=m # # Hardware I/O ports # -CONFIG_SERIO_APBPS2=m +# CONFIG_SERIO_AMBAKMI is not set # # Character devices @@ -244,8 +249,15 @@ CONFIG_SERIO_APBPS2=m # CONFIG_NOZOMI is not set # +# Serial drivers +# +CONFIG_SERIAL_8250_INGENIC=y + +# # Non-8250 serial port support # +CONFIG_SERIAL_AMBA_PL010=m +CONFIG_SERIAL_AMBA_PL011=m CONFIG_SERIAL_EARLYCON_ARM_SEMIHOST=y # CONFIG_SERIAL_JSM is not set CONFIG_SERIAL_OF_PLATFORM=y @@ -253,7 +265,6 @@ CONFIG_SERIAL_OF_PLATFORM=y # CONFIG_SERIAL_XILINX_PS_UART is not set # CONFIG_SERIAL_ARC is not set # CONFIG_SERIAL_RP2 is not set -CONFIG_SERIAL_CONEXANT_DIGICOLOR=m # # Multiplexer I2C Chip support @@ -272,33 +283,22 @@ CONFIG_I2C_SIS630=m # # I2C system bus drivers (mostly embedded / system-on-chip) # -CONFIG_I2C_RK3X=m +CONFIG_I2C_VERSATILE=m # # Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks. # CONFIG_ARCH_REQUIRE_GPIOLIB=y -CONFIG_OF_GPIO=y -CONFIG_GPIO_GENERIC=y # # Memory mapped GPIO drivers # -CONFIG_GPIO_74XX_MMIO=m -CONFIG_GPIO_ALTERA=m -CONFIG_GPIO_GENERIC_PLATFORM=y # CONFIG_GPIO_GRGPIO is not set -# CONFIG_GPIO_SYSCON is not set - -# -# I2C GPIO expanders -# -CONFIG_GPIO_ADNP=m +CONFIG_GPIO_PL061=y # # MFD GPIO expanders # -# CONFIG_GPIO_STMPE is not set # CONFIG_GPIO_TC3589X is not set # @@ -317,12 +317,7 @@ CONFIG_GPIO_ADNP=m # CONFIG_CHARGER_MAX8997 is not set # CONFIG_CHARGER_MAX8998 is not set CONFIG_POWER_RESET_AS3722=y -CONFIG_POWER_RESET_GPIO=y -CONFIG_POWER_RESET_GPIO_RESTART=y -CONFIG_POWER_RESET_LTC2952=y CONFIG_POWER_RESET_VEXPRESS=y -CONFIG_POWER_RESET_SYSCON=y -CONFIG_POWER_RESET_SYSCON_POWEROFF=y # # Native drivers @@ -331,16 +326,9 @@ CONFIG_SENSORS_PWM_FAN=m CONFIG_SENSORS_VEXPRESS=m # -# ACPI drivers -# -CONFIG_THERMAL_OF=y -# CONFIG_CPU_THERMAL is not set -CONFIG_CLOCK_THERMAL=y - -# # Watchdog Device Drivers # -CONFIG_GPIO_WATCHDOG=m +CONFIG_ARM_SP805_WATCHDOG=m # # PCI-based Watchdog Cards @@ -351,30 +339,18 @@ CONFIG_GPIO_WATCHDOG=m # # Multifunction device drivers # -CONFIG_MFD_AS3722=y -CONFIG_MFD_HI6421_PMIC=m # CONFIG_LPC_ICH is not set -CONFIG_MFD_MAX77686=y # CONFIG_MFD_RTSX_PCI is not set -CONFIG_MFD_RK808=m -CONFIG_MFD_STMPE=y # # STMicroelectronics STMPE Interface Drivers # -CONFIG_STMPE_I2C=y -CONFIG_MFD_TC3589X=y +# CONFIG_MFD_VX855 is not set CONFIG_MFD_VEXPRESS_SYSREG=y CONFIG_REGULATOR_FIXED_VOLTAGE=y # CONFIG_REGULATOR_VIRTUAL_CONSUMER is not set # CONFIG_REGULATOR_USERSPACE_CONSUMER is not set -CONFIG_REGULATOR_AS3722=m -CONFIG_REGULATOR_HI6421=m -CONFIG_REGULATOR_MAX77686=m -CONFIG_REGULATOR_MAX77802=m CONFIG_REGULATOR_PWM=m -CONFIG_REGULATOR_RK808=m -CONFIG_REGULATOR_TPS65218=m CONFIG_REGULATOR_VEXPRESS=m # @@ -409,7 +385,7 @@ CONFIG_DVB_TTUSB_DEC=y # CONFIG_DVB_PT1 is not set # CONFIG_MANTIS_CORE is not set # CONFIG_DVB_NGENE is not set -# CONFIG_VIDEO_XILINX is not set +# CONFIG_VIDEO_CAFE_CCIC is not set # # DVB-S (satellite) frontends @@ -437,20 +413,13 @@ CONFIG_DVB_LNBP21=y # # I2C encoder or helper chips # -CONFIG_DRM_PTN3460=m -CONFIG_DRM_PS8622=m -# CONFIG_DRM_RADEON is not set -# CONFIG_DRM_NOUVEAU is not set - -# -# Frame buffer Devices -# -# CONFIG_FB_BACKLIGHT is not set +# CONFIG_DRM_I2C_NXP_TDA998X is not set # # Frame buffer hardware drivers # -# CONFIG_FB_SSD1307 is not set +# CONFIG_FB_ARMCLCD is not set +# CONFIG_LCD_PLATFORM is not set # CONFIG_BACKLIGHT_PWM is not set # CONFIG_BACKLIGHT_LM3630A is not set # CONFIG_BACKLIGHT_LP855X is not set @@ -462,11 +431,14 @@ CONFIG_DRM_PS8622=m CONFIG_SND_DMAENGINE_PCM=m CONFIG_SND_COMPRESS_OFFLOAD=m # CONFIG_SND_ALI5451 is not set +# CONFIG_SND_ES1968_INPUT is not set +# CONFIG_SND_MAESTRO3_INPUT is not set # # HD-Audio # CONFIG_SND_SOC=m +CONFIG_SND_SOC_AC97_BUS=y CONFIG_SND_SOC_GENERIC_DMAENGINE_PCM=y CONFIG_SND_ATMEL_SOC=m CONFIG_SND_DESIGNWARE_I2S=m @@ -486,6 +458,7 @@ CONFIG_SND_SOC_I2C_AND_SPI=m # # CODEC drivers # +CONFIG_SND_SOC_AC97_CODEC=m CONFIG_SND_SOC_ADAU1701=m CONFIG_SND_SOC_AK4554=m CONFIG_SND_SOC_AK4642=m @@ -522,6 +495,7 @@ CONFIG_SND_SOC_STA32X=m CONFIG_SND_SOC_STA350=m CONFIG_SND_SOC_TAS2552=m CONFIG_SND_SOC_TAS5086=m +CONFIG_SND_SOC_TAS571X=m CONFIG_SND_SOC_TFA9879=m CONFIG_SND_SOC_TLV320AIC23=m CONFIG_SND_SOC_TLV320AIC23_I2C=m @@ -548,11 +522,6 @@ CONFIG_SND_SOC_TPA6130A2=m CONFIG_SND_SIMPLE_CARD=m # -# Gadget/Dual-role mode requires USB Gadget support to be enabled -# -CONFIG_USB_CHIPIDEA_OF=m - -# # USB Physical Layer drivers # CONFIG_USB_ULPI=y @@ -561,7 +530,8 @@ CONFIG_USB_ULPI_VIEWPORT=y # # MMC/SD/SDIO Host Controller Drivers # -CONFIG_MMC_SDHCI_F_SDH30=m +CONFIG_MMC_ARMMMCI=m +# CONFIG_MMC_RICOH_MMC is not set CONFIG_MMC_DW=m CONFIG_MMC_DW_IDMAC=y CONFIG_MMC_DW_PLTFM=m @@ -575,48 +545,40 @@ CONFIG_MMC_DW_PCI=m CONFIG_LEDS_PWM=m # -# LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM) -# -CONFIG_LEDS_SYSCON=y - -# -# I2C RTC drivers -# -CONFIG_RTC_DRV_AS3722=m -CONFIG_RTC_DRV_HYM8563=m -CONFIG_RTC_DRV_MAX77686=m -CONFIG_RTC_DRV_RK808=m -CONFIG_RTC_DRV_MAX77802=m - -# # on-CPU RTC drivers # -CONFIG_RTC_DRV_SNVS=m +CONFIG_RTC_DRV_PL030=m +CONFIG_RTC_DRV_PL031=m # # DMA Devices # +# CONFIG_AMBA_PL08X is not set # CONFIG_DW_DMAC is not set -CONFIG_FSL_EDMA=m -CONFIG_DMA_OF=y +# CONFIG_DW_DMAC_PCI is not set +# CONFIG_PL330_DMA is not set + +# +# DMA Clients +# +# CONFIG_UIO_AEC is not set +# CONFIG_UIO_SERCOS3 is not set +# CONFIG_UIO_PCI_GENERIC is not set +# CONFIG_UIO_MF624 is not set # # Android # # CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set -CONFIG_I2O_LCT_NOTIFY_ON_CHANGES=y -# CONFIG_I2O_BUS is not set -# CONFIG_I2O_BLOCK is not set -# CONFIG_I2O_SCSI is not set -# CONFIG_I2O_PROC is not set # # Common Clock Framework # -CONFIG_COMMON_CLK_MAX_GEN=y -CONFIG_COMMON_CLK_MAX77802=m -CONFIG_COMMON_CLK_RK808=m -CONFIG_COMMON_CLK_SI570=m +CONFIG_COMMON_CLK_WM831X=y +CONFIG_COMMON_CLK_VERSATILE=y +CONFIG_CLK_SP810=y +CONFIG_CLK_VEXPRESS_OSC=y +CONFIG_COMMON_CLK_MAX77686=y CONFIG_COMMON_CLK_PWM=m # @@ -624,23 +586,35 @@ CONFIG_COMMON_CLK_PWM=m # CONFIG_CLKSRC_OF=y CONFIG_CLKSRC_MMIO=y +CONFIG_ARM_ARCH_TIMER=y +CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y +CONFIG_ARM_TIMER_SP804=y +CONFIG_ARM_MHU=m # -# Analog to digital converters +# Generic IOMMU Pagetable Support # -CONFIG_VF610_ADC=m +CONFIG_IOMMU_IO_PGTABLE=y +CONFIG_IOMMU_IO_PGTABLE_LPAE=y +# CONFIG_IOMMU_IO_PGTABLE_LPAE_SELFTEST is not set # -# Digital to analog converters +# Analog to digital converters # -CONFIG_MAX5821=m +# CONFIG_LP8788_ADC is not set +# CONFIG_TWL6030_GPADC is not set # # Temperature sensors # CONFIG_PWM=y CONFIG_PWM_SYSFS=y -CONFIG_IRQCHIP=y +# CONFIG_PWM_FSL_FTM is not set +# CONFIG_PWM_LP3943 is not set +# CONFIG_PWM_PCA9685 is not set +# CONFIG_PWM_TWL is not set +# CONFIG_PWM_TWL_LED is not set +CONFIG_ARM_GIC=y # # Firmware Drivers @@ -650,17 +624,17 @@ CONFIG_IRQCHIP=y # # RCU Debugging # +CONFIG_RCU_CPU_STALL_TIMEOUT=21 # CONFIG_FTRACE_SYSCALLS is not set # # Runtime Testing # -# CONFIG_DEBUG_SET_MODULE_RONX is not set -CONFIG_DEBUG_RODATA=y +# CONFIG_PID_IN_CONTEXTIDR is not set # CONFIG_CORESIGHT is not set # -# Logging Options +# Security options # CONFIG_LSM_MMAP_MIN_ADDR=32768 @@ -668,6 +642,7 @@ CONFIG_LSM_MMAP_MIN_ADDR=32768 # Crypto core or helper # CONFIG_CRYPTO_GF128MUL=m +CONFIG_CRYPTO_ABLK_HELPER=m # # Block modes diff --git a/kernel/config-arm32-generic b/kernel/config-arm32-generic index eb29bb7..31b7ecf 100644 --- a/kernel/config-arm32-generic +++ b/kernel/config-arm32-generic @@ -4,6 +4,8 @@ CONFIG_ARM_DMA_USE_IOMMU=y CONFIG_ARM_DMA_IOMMU_ALIGNMENT=8 CONFIG_MIGHT_HAVE_PCI=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y +CONFIG_NO_IOPORT_MAP=y +CONFIG_ARCH_HAS_BANDGAP=y CONFIG_ARCH_SUPPORTS_UPROBES=y CONFIG_VECTORS_BASE=0xffff0000 CONFIG_ARM_PATCH_PHYS_VIRT=y @@ -19,11 +21,6 @@ CONFIG_KERNEL_XZ=y # CONFIG_KERNEL_LZ4 is not set # -# IRQ subsystem -# -CONFIG_IRQ_FORCED_THREADING=y - -# # RCU Subsystem # CONFIG_CONTEXT_TRACKING_FORCE=y @@ -31,8 +28,6 @@ CONFIG_CONTEXT_TRACKING_FORCE=y # # Kernel Performance Events And Counters # -CONFIG_SLAB=y -# CONFIG_SLUB is not set # CONFIG_KPROBES is not set CONFIG_ARCH_USE_BUILTIN_BSWAP=y CONFIG_GENERIC_IDLE_POLL_SETUP=y @@ -43,7 +38,6 @@ CONFIG_OLD_SIGACTION=y # # GCOV-based kernel profiling # -CONFIG_SLABINFO=y CONFIG_LBDAF=y # @@ -82,62 +76,345 @@ CONFIG_ARCH_MULTIPLATFORM=y # CPU Core family selection # # CONFIG_ARCH_MULTI_V6 is not set +CONFIG_ARCH_MULTI_V7=y +CONFIG_ARCH_MULTI_V6_V7=y +# CONFIG_ARCH_MULTI_CPU_AUTO is not set +CONFIG_ARCH_VIRT=y +# CONFIG_ARCH_MVEBU is not set +# CONFIG_ARCH_ALPINE is not set # CONFIG_ARCH_AT91 is not set +CONFIG_ARCH_BCM=y + +# +# IPROC architected SoCs +# +CONFIG_ARCH_BCM_IPROC=y +# CONFIG_ARCH_BCM_CYGNUS is not set +CONFIG_ARCH_BCM_5301X=y + +# +# KONA architected SoCs +# +# CONFIG_ARCH_BCM_281XX is not set +# CONFIG_ARCH_BCM_21664 is not set + +# +# Other Architectures +# +CONFIG_ARCH_BCM_63XX=y +CONFIG_ARCH_BRCMSTB=y +CONFIG_ARCH_BERLIN=y +# CONFIG_MACH_BERLIN_BG2 is not set +# CONFIG_MACH_BERLIN_BG2CD is not set +# CONFIG_MACH_BERLIN_BG2Q is not set +# CONFIG_ARCH_DIGICOLOR is not set +CONFIG_ARCH_HIGHBANK=y +CONFIG_ARCH_HISI=y # # Hisilicon platform type # +CONFIG_ARCH_HI3xxx=y +# CONFIG_ARCH_HIP01 is not set +CONFIG_ARCH_HIP04=y +CONFIG_ARCH_HIX5HD2=y +CONFIG_ARCH_KEYSTONE=y +CONFIG_ARCH_MESON=y +CONFIG_MACH_MESON6=y +CONFIG_MACH_MESON8=y CONFIG_ARCH_MXC=y # +# Cortex-A platforms +# +# CONFIG_SOC_IMX50 is not set +# CONFIG_SOC_IMX51 is not set +# CONFIG_SOC_IMX53 is not set +CONFIG_SOC_IMX6=y +CONFIG_SOC_IMX6Q=y +CONFIG_SOC_IMX6SL=y +CONFIG_SOC_IMX6SX=y +# CONFIG_SOC_IMX7D is not set +# CONFIG_SOC_LS1021A is not set + +# +# Cortex-A/Cortex-M asymmetric multiprocessing platforms +# +CONFIG_SOC_VF610=y +CONFIG_VF_USE_ARM_GLOBAL_TIMER=y +# CONFIG_VF_USE_PIT_TIMER is not set +CONFIG_ARCH_MEDIATEK=y +CONFIG_MACH_MT6589=y +CONFIG_MACH_MT6592=y +CONFIG_MACH_MT8127=y +CONFIG_MACH_MT8135=y +CONFIG_ARCH_OMAP=y + +# +# OMAP Feature Selections +# +# CONFIG_POWER_AVS_OMAP is not set +# CONFIG_OMAP_RESET_CLOCKS is not set +CONFIG_OMAP_MUX=y +# CONFIG_OMAP_MUX_DEBUG is not set +CONFIG_OMAP_MUX_WARNINGS=y +CONFIG_OMAP_32K_TIMER=y +# CONFIG_OMAP3_L2_AUX_SECURE_SAVE_RESTORE is not set +CONFIG_OMAP_DM_TIMER=y +CONFIG_OMAP_PM_NOOP=y +CONFIG_MACH_OMAP_GENERIC=y + +# +# TI OMAP/AM/DM/DRA Family +# +CONFIG_ARCH_OMAP3=y +CONFIG_ARCH_OMAP4=y +CONFIG_SOC_OMAP5=y +CONFIG_SOC_AM33XX=y +CONFIG_SOC_AM43XX=y +CONFIG_SOC_DRA7XX=y +CONFIG_ARCH_OMAP2PLUS=y + +# +# TI OMAP2/3/4 Specific Features +# +CONFIG_ARCH_OMAP2PLUS_TYPICAL=y +CONFIG_SOC_HAS_OMAP2_SDRC=y +CONFIG_SOC_HAS_REALTIME_COUNTER=y +CONFIG_SOC_OMAP3430=y +CONFIG_SOC_TI81XX=y +CONFIG_OMAP_PACKAGE_CBB=y + +# # OMAP Legacy Platform Data Board Type # +CONFIG_MACH_OMAP_LDP=y +CONFIG_MACH_OMAP3530_LV_SOM=y +CONFIG_MACH_OMAP3_TORPEDO=y +CONFIG_MACH_OMAP3517EVM=y +CONFIG_MACH_OMAP3_PANDORA=y +CONFIG_MACH_NOKIA_RX51=y +# CONFIG_OMAP3_SDRC_AC_TIMING is not set +CONFIG_ARCH_QCOM=y +# CONFIG_ARCH_MSM8X60 is not set +# CONFIG_ARCH_MSM8960 is not set +# CONFIG_ARCH_MSM8974 is not set +CONFIG_ARCH_ROCKCHIP=y +# CONFIG_ARCH_SOCFPGA is not set # CONFIG_PLAT_SPEAR is not set +CONFIG_ARCH_STI=y +CONFIG_SOC_STIH415=y +CONFIG_SOC_STIH416=y +CONFIG_SOC_STIH407=y +# CONFIG_ARCH_S5PV210 is not set +CONFIG_ARCH_EXYNOS=y +# CONFIG_ARCH_EXYNOS3 is not set +CONFIG_ARCH_EXYNOS4=y +CONFIG_ARCH_EXYNOS5=y + +# +# EXYNOS SoCs +# +CONFIG_CPU_EXYNOS4210=y +CONFIG_SOC_EXYNOS4212=y +CONFIG_SOC_EXYNOS4412=y +CONFIG_SOC_EXYNOS4415=y +CONFIG_SOC_EXYNOS5250=y +CONFIG_SOC_EXYNOS5260=y +CONFIG_SOC_EXYNOS5410=y +CONFIG_SOC_EXYNOS5420=y +CONFIG_SOC_EXYNOS5440=y +CONFIG_SOC_EXYNOS5800=y +# CONFIG_EXYNOS5420_MCPM is not set +CONFIG_EXYNOS_CPU_SUSPEND=y +CONFIG_PLAT_SAMSUNG=y + +# +# Boot options +# +CONFIG_S5P_DEV_MFC=y + +# +# Power management +# +# CONFIG_SAMSUNG_PM_CHECK is not set +CONFIG_ARCH_SHMOBILE=y +CONFIG_PM_RCAR=y +CONFIG_ARCH_RCAR_GEN1=y +CONFIG_ARCH_SHMOBILE_MULTI=y +# CONFIG_ARCH_EMEV2 is not set +# CONFIG_ARCH_R7S72100 is not set +# CONFIG_ARCH_R8A73A4 is not set +# CONFIG_ARCH_R8A7740 is not set +# CONFIG_ARCH_R8A7778 is not set +CONFIG_ARCH_R8A7779=y +# CONFIG_ARCH_R8A7790 is not set +# CONFIG_ARCH_R8A7791 is not set +# CONFIG_ARCH_R8A7794 is not set +# CONFIG_ARCH_SH73A0 is not set + +# +# Renesas ARM SoCs Board Type +# +CONFIG_MACH_MARZEN=y + +# +# Timer and clock configuration +# +CONFIG_SHMOBILE_TIMER_HZ=128 +CONFIG_ARCH_SUNXI=y +CONFIG_MACH_SUN4I=y +CONFIG_MACH_SUN5I=y +CONFIG_MACH_SUN6I=y +CONFIG_MACH_SUN7I=y +CONFIG_MACH_SUN8I=y +CONFIG_MACH_SUN9I=y +CONFIG_ARCH_SIRF=y + +# +# CSR SiRF atlas6/primaII/Atlas7 Specific Features +# +CONFIG_ARCH_ATLAS6=y +CONFIG_ARCH_ATLAS7=y +CONFIG_ARCH_PRIMA2=y +CONFIG_SIRF_IRQ=y +CONFIG_ARCH_TEGRA=y +CONFIG_ARCH_TEGRA_2x_SOC=y +CONFIG_ARCH_TEGRA_3x_SOC=y +CONFIG_ARCH_TEGRA_114_SOC=y +CONFIG_ARCH_TEGRA_124_SOC=y +# CONFIG_ARCH_UNIPHIER is not set +CONFIG_ARCH_U8500=y +CONFIG_UX500_SOC_DB8500=y +CONFIG_MACH_MOP500=y +# CONFIG_MACH_HREFV60 is not set +# CONFIG_MACH_SNOWBALL is not set +CONFIG_UX500_AUTO_PLATFORM=y +CONFIG_UX500_DEBUG_UART=2 +CONFIG_ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA=y +CONFIG_ARCH_VEXPRESS_DCSCB=y +CONFIG_ARCH_VEXPRESS_SPC=y +CONFIG_ARCH_VEXPRESS_TC2_PM=y +CONFIG_ARCH_VT8500=y +CONFIG_ARCH_WM8850=y +# CONFIG_ARCH_ZX is not set +CONFIG_ARCH_ZYNQ=y +CONFIG_PLAT_VERSATILE=y +CONFIG_ARCH_SUPPORTS_FIRMWARE=y +CONFIG_ARCH_SUPPORTS_TRUSTED_FOUNDATIONS=y + +# +# Firmware options +# +CONFIG_TRUSTED_FOUNDATIONS=y # # Processor Type # +CONFIG_CPU_V7=y +CONFIG_CPU_32v6K=y +CONFIG_CPU_32v7=y +CONFIG_CPU_ABRT_EV7=y +CONFIG_CPU_PABRT_V7=y +CONFIG_CPU_CACHE_V7=y +CONFIG_CPU_CACHE_VIPT=y +CONFIG_CPU_COPY_V6=y +CONFIG_CPU_TLB_V7=y +CONFIG_CPU_HAS_ASID=y CONFIG_CPU_CP15=y CONFIG_CPU_CP15_MMU=y # # Processor Features # +# CONFIG_ARM_LPAE is not set # CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set CONFIG_ARM_THUMB=y +# CONFIG_ARM_THUMBEE is not set +CONFIG_ARM_VIRT_EXT=y +CONFIG_SWP_EMULATE=y # CONFIG_CPU_ICACHE_DISABLE is not set +# CONFIG_CPU_BPREDICT_DISABLE is not set CONFIG_KUSER_HELPERS=y +CONFIG_VDSO=y CONFIG_OUTER_CACHE=y +CONFIG_OUTER_CACHE_SYNC=y +CONFIG_MIGHT_HAVE_CACHE_L2X0=y +CONFIG_CACHE_L2X0=y +CONFIG_PL310_ERRATA_588369=y +CONFIG_PL310_ERRATA_727915=y +CONFIG_PL310_ERRATA_753970=y +CONFIG_PL310_ERRATA_769419=y +CONFIG_ARM_L1_CACHE_SHIFT_6=y +CONFIG_ARM_L1_CACHE_SHIFT=6 +CONFIG_ARM_DMA_MEM_BUFFERABLE=y CONFIG_ARCH_SUPPORTS_BIG_ENDIAN=y CONFIG_ARM_KERNMEM_PERMS=y CONFIG_MULTI_IRQ_HANDLER=y +# CONFIG_ARM_ERRATA_430973 is not set +CONFIG_ARM_ERRATA_643719=y +CONFIG_ARM_ERRATA_720789=y +CONFIG_ARM_ERRATA_754322=y +CONFIG_ARM_ERRATA_754327=y +CONFIG_ARM_ERRATA_764369=y +CONFIG_ARM_ERRATA_775420=y +CONFIG_ARM_ERRATA_798181=y +# CONFIG_ARM_ERRATA_773022 is not set +CONFIG_ICST=y +CONFIG_TI_PRIV_EDMA=y # # PCI host controller drivers # CONFIG_PCIE_DW=y +CONFIG_PCI_EXYNOS=y +CONFIG_PCI_IMX6=y +CONFIG_PCI_TEGRA=y +CONFIG_PCI_RCAR_GEN2=y +CONFIG_PCI_RCAR_GEN2_PCIE=y CONFIG_PCI_HOST_GENERIC=y +CONFIG_PCI_KEYSTONE=y +CONFIG_PCIE_XILINX=y CONFIG_PCI_LAYERSCAPE=y -CONFIG_PCIE_IPROC=m +CONFIG_PCIE_IPROC=y +CONFIG_PCIE_IPROC_PLATFORM=m +# CONFIG_PCIE_IPROC_BCMA is not set # CONFIG_PCCARD is not set # # Kernel Features # +CONFIG_SMP_ON_UP=y +CONFIG_ARM_CPU_TOPOLOGY=y +CONFIG_MCPM=y +CONFIG_MCPM_QUAD_CLUSTER=y +CONFIG_BIG_LITTLE=y +# CONFIG_BL_SWITCHER is not set CONFIG_VMSPLIT_3G=y # CONFIG_VMSPLIT_2G is not set # CONFIG_VMSPLIT_1G is not set CONFIG_PAGE_OFFSET=0xC0000000 +CONFIG_NR_CPUS=4 +CONFIG_ARM_PSCI=y +CONFIG_ARCH_NR_GPIO=1024 +CONFIG_HZ_FIXED=200 +CONFIG_HZ=200 CONFIG_SCHED_HRTICK=y +CONFIG_THUMB2_KERNEL=y +CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11=y +CONFIG_ARM_ASM_UNIFIED=y CONFIG_AEABI=y # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set CONFIG_HIGHMEM=y # CONFIG_HIGHPTE is not set +# CONFIG_ARM_MODULE_PLTS is not set CONFIG_FLATMEM=y CONFIG_FLAT_NODE_MEM_MAP=y # CONFIG_PHYS_ADDR_T_64BIT is not set +CONFIG_FORCE_MAX_ZONEORDER=12 CONFIG_ALIGNMENT_TRAP=y +# CONFIG_UACCESS_WITH_MEMCPY is not set # # Boot options @@ -148,61 +425,112 @@ CONFIG_ATAGS=y CONFIG_ZBOOT_ROM_TEXT=0 CONFIG_ZBOOT_ROM_BSS=0 CONFIG_ARM_APPENDED_DTB=y +# CONFIG_ARM_ATAG_DTB_COMPAT is not set +CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M" CONFIG_CMDLINE_FROM_BOOTLOADER=y # CONFIG_CMDLINE_EXTEND is not set +# CONFIG_KEXEC is not set CONFIG_CRASH_DUMP=y CONFIG_AUTO_ZRELADDR=y # # CPU frequency scaling drivers # +# CONFIG_ARM_DT_BL_CPUFREQ is not set +# CONFIG_ARM_VEXPRESS_SPC_CPUFREQ is not set +CONFIG_ARM_EXYNOS_CPUFREQ=y +CONFIG_ARM_EXYNOS4X12_CPUFREQ=y +CONFIG_ARM_EXYNOS5250_CPUFREQ=y +# CONFIG_ARM_EXYNOS_CPU_FREQ_BOOST_SW is not set +CONFIG_ARM_EXYNOS5440_CPUFREQ=y +CONFIG_ARM_HIGHBANK_CPUFREQ=m +CONFIG_ARM_HISI_ACPU_CPUFREQ=m CONFIG_ARM_IMX6Q_CPUFREQ=m +CONFIG_ARM_OMAP2PLUS_CPUFREQ=y +CONFIG_ARM_TEGRA_CPUFREQ=y CONFIG_QORIQ_CPUFREQ=m # +# ARM CPU Idle Drivers +# +# CONFIG_ARM_BIG_LITTLE_CPUIDLE is not set +# CONFIG_ARM_HIGHBANK_CPUIDLE is not set +# CONFIG_ARM_ZYNQ_CPUIDLE is not set +# CONFIG_ARM_U8500_CPUIDLE is not set +# CONFIG_ARM_EXYNOS_CPUIDLE is not set +CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED=y + +# # At least one emulation must be selected # CONFIG_VFP=y +CONFIG_VFPv3=y +CONFIG_NEON=y # # Power management options # +# CONFIG_HIBERNATION is not set CONFIG_APM_EMULATION=y +CONFIG_PM_GENERIC_DOMAINS=y +CONFIG_PM_GENERIC_DOMAINS_SLEEP=y +CONFIG_PM_GENERIC_DOMAINS_OF=y CONFIG_ARM_CPU_SUSPEND=y CONFIG_ARCH_HIBERNATION_POSSIBLE=y # # Generic Driver Options # -CONFIG_FW_LOADER_USER_HELPER=y CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y CONFIG_SOC_BUS=y # # Bus devices # +CONFIG_ARM_CCI400_PORT_CTRL=y CONFIG_BRCMSTB_GISB_ARB=y +# CONFIG_IMX_WEIM is not set +CONFIG_OMAP_INTERCONNECT=y +# CONFIG_OMAP_OCP2SCP is not set +CONFIG_SIMPLE_PM_BUS=y +CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y +# CONFIG_MG_DISK is not set # -# Device Tree and Open Firmware support +# Misc devices # -CONFIG_ARCH_MIGHT_HAVE_PC_PARPORT=y -# CONFIG_MG_DISK is not set +# CONFIG_ARM_CHARLCD is not set + +# +# EEPROM support +# +# CONFIG_EEPROM_SUNXI_SID is not set # -# Intel MIC Card Driver +# SCIF Driver # # CONFIG_IDE is not set # # SCSI Transports # +CONFIG_SCSI_UFS_QCOM=y CONFIG_SCSI_NSP32=m # # Controllers with non-SFF native interface # +CONFIG_AHCI_BRCMSTB=m +CONFIG_AHCI_ST=m CONFIG_AHCI_IMX=m +CONFIG_AHCI_SUNXI=m +CONFIG_AHCI_TEGRA=m + +# +# SATA SFF controllers with BMDMA +# +CONFIG_SATA_HIGHBANK=m +CONFIG_SATA_RCAR=m # # PATA SFF controllers with BMDMA @@ -212,6 +540,11 @@ CONFIG_PATA_IMX=m # # Distributed Switch Architecture drivers # +CONFIG_NET_VENDOR_ALLWINNER=y +CONFIG_SUN4I_EMAC=m +# CONFIG_MACB is not set +CONFIG_BGMAC=m +CONFIG_NET_CALXEDA_XGMAC=m CONFIG_NET_VENDOR_CIRRUS=y CONFIG_CS89x0=m CONFIG_CS89x0_PLATFORM=y @@ -224,12 +557,34 @@ CONFIG_NET_VENDOR_FREESCALE=y CONFIG_FEC=m CONFIG_FSL_PQ_MDIO=m CONFIG_FSL_XGMAC_MDIO=m +CONFIG_GIANFAR=m CONFIG_NET_VENDOR_HISILICON=y CONFIG_HIX5HD2_GMAC=m CONFIG_HIP04_ETH=m +CONFIG_PXA168_ETH=m CONFIG_AX88796=m CONFIG_AX88796_93CX6=y +CONFIG_SH_ETH=m +CONFIG_RAVB=m CONFIG_SMC911X=m +CONFIG_TI_DAVINCI_EMAC=m +CONFIG_TI_DAVINCI_MDIO=m +CONFIG_TI_DAVINCI_CPDMA=m +CONFIG_TI_CPSW_PHY_SEL=y +CONFIG_TI_CPSW=m +# CONFIG_TI_CPTS is not set +CONFIG_NET_VENDOR_XILINX=y +# CONFIG_XILINX_EMACLITE is not set + +# +# MII PHY device drivers +# +CONFIG_MDIO_SUN4I=m + +# +# Input device support +# +CONFIG_INPUT_MATRIXKMAP=y # # Userland interfaces @@ -240,22 +595,55 @@ CONFIG_SMC911X=m # Input Device Drivers # CONFIG_KEYBOARD_IMX=m +# CONFIG_KEYBOARD_NOMADIK is not set +CONFIG_KEYBOARD_TEGRA=m CONFIG_KEYBOARD_PMIC8XXX=m +CONFIG_KEYBOARD_SAMSUNG=y +# CONFIG_KEYBOARD_ST_KEYSCAN is not set +CONFIG_KEYBOARD_SH_KEYSC=m +CONFIG_KEYBOARD_SUN4I_LRADC=m +# CONFIG_INPUT_AB8500_PONKEY is not set +CONFIG_INPUT_PM8941_PWRKEY=m # CONFIG_INPUT_PM8XXX_VIBRATOR is not set CONFIG_INPUT_PMIC8XXX_PWRKEY=m +CONFIG_INPUT_SIRFSOC_ONKEY=y + +# +# Hardware I/O ports +# +CONFIG_SERIO_SUN4I_PS2=m # # Serial drivers # CONFIG_SERIAL_8250_EM=m +CONFIG_SERIAL_8250_OMAP=m +CONFIG_SERIAL_8250_MT6577=y # # Non-8250 serial port support # +CONFIG_SERIAL_MESON=m +CONFIG_SERIAL_SAMSUNG=m +CONFIG_SERIAL_SAMSUNG_UARTS_4=y +CONFIG_SERIAL_SAMSUNG_UARTS=4 +CONFIG_SERIAL_SIRFSOC=m CONFIG_SERIAL_IMX=m +# CONFIG_SERIAL_UARTLITE is not set +CONFIG_SERIAL_SH_SCI=m +CONFIG_SERIAL_SH_SCI_NR_UARTS=2 +# CONFIG_SERIAL_MSM is not set +# CONFIG_SERIAL_VT8500 is not set +CONFIG_SERIAL_OMAP=m CONFIG_SERIAL_BCM63XX=m CONFIG_SERIAL_ST_ASC=m +CONFIG_SERIAL_STM32=m # CONFIG_HVC_DCC is not set +CONFIG_HW_RANDOM_IPROC_RNG200=m +CONFIG_HW_RANDOM_OMAP=y +CONFIG_HW_RANDOM_OMAP3_ROM=y +CONFIG_HW_RANDOM_EXYNOS=y +CONFIG_HW_RANDOM_MSM=m CONFIG_NVRAM=y # @@ -264,10 +652,58 @@ CONFIG_NVRAM=y CONFIG_I2C_MUX_PINCTRL=m # +# PC SMBus host controller drivers +# +CONFIG_I2C_HIX5HD2=m + +# # I2C system bus drivers (mostly embedded / system-on-chip) # +CONFIG_I2C_BCM_IPROC=m +# CONFIG_I2C_BRCMSTB is not set +# CONFIG_I2C_CADENCE is not set +CONFIG_I2C_DAVINCI=m +CONFIG_I2C_EXYNOS5=m CONFIG_I2C_IMX=m +CONFIG_I2C_MESON=m +CONFIG_I2C_MT65XX=m CONFIG_I2C_MV64XXX=m +CONFIG_I2C_NOMADIK=y +CONFIG_I2C_OMAP=y +CONFIG_I2C_QUP=m +CONFIG_I2C_RIIC=m +CONFIG_I2C_S3C2410=m +CONFIG_I2C_SH_MOBILE=m +CONFIG_I2C_SIRF=m +CONFIG_I2C_ST=m +CONFIG_I2C_SUN6I_P2WI=m +CONFIG_I2C_TEGRA=m +CONFIG_I2C_WMT=m +CONFIG_I2C_RCAR=m + +# +# Other I2C/SMBus bus drivers +# +CONFIG_I2C_SLAVE=y +# CONFIG_I2C_SLAVE_EEPROM is not set +CONFIG_SPMI_MSM_PMIC_ARB=m + +# +# HSI controllers +# +CONFIG_OMAP_SSI=m +CONFIG_OMAP_SSI_PORT=m + +# +# PPS support +# +CONFIG_PPS=y + +# +# PTP clock support +# +CONFIG_PTP_1588_CLOCK=y +CONFIG_PTP_1588_CLOCK_GIANFAR=m # # Enable PHYLIB and NETWORK_PHY_TIMESTAMPING to see the additional clocks. @@ -283,60 +719,215 @@ CONFIG_GENERIC_PINCONF=y # CONFIG_DEBUG_PINCTRL is not set # CONFIG_PINCTRL_AS3722 is not set CONFIG_PINCTRL_AMD=y +CONFIG_PINCTRL_MESON=y +CONFIG_PINCTRL_ROCKCHIP=y +CONFIG_PINCTRL_SINGLE=y +CONFIG_PINCTRL_SIRF=y +CONFIG_PINCTRL_ST=y +CONFIG_PINCTRL_TEGRA=y +CONFIG_PINCTRL_TEGRA20=y +CONFIG_PINCTRL_TEGRA30=y +CONFIG_PINCTRL_TEGRA114=y +CONFIG_PINCTRL_TEGRA124=y +CONFIG_PINCTRL_TEGRA_XUSB=y # CONFIG_PINCTRL_PALMAS is not set +CONFIG_PINCTRL_ZYNQ=y +CONFIG_PINCTRL_IMX=y +CONFIG_PINCTRL_IMX6Q=y +CONFIG_PINCTRL_IMX6SL=y +CONFIG_PINCTRL_IMX6SX=y +CONFIG_PINCTRL_VF610=y +CONFIG_PINCTRL_ABX500=y +CONFIG_PINCTRL_AB8500=y +CONFIG_PINCTRL_AB8540=y +CONFIG_PINCTRL_AB9540=y +CONFIG_PINCTRL_AB8505=y +CONFIG_PINCTRL_NOMADIK=y +CONFIG_PINCTRL_DB8500=y +CONFIG_PINCTRL_DB8540=y +CONFIG_PINCTRL_MSM=y +CONFIG_PINCTRL_APQ8064=y +CONFIG_PINCTRL_APQ8084=y +CONFIG_PINCTRL_IPQ8064=y +CONFIG_PINCTRL_MSM8660=m +CONFIG_PINCTRL_MSM8960=m +CONFIG_PINCTRL_MSM8X74=m +CONFIG_PINCTRL_MSM8916=m +CONFIG_PINCTRL_QCOM_SPMI_PMIC=m +CONFIG_PINCTRL_SAMSUNG=y +CONFIG_PINCTRL_EXYNOS=y +CONFIG_PINCTRL_EXYNOS5440=y +CONFIG_PINCTRL_SH_PFC=y +CONFIG_GPIO_SH_PFC=y +CONFIG_PINCTRL_PFC_R8A7779=y +CONFIG_PINCTRL_SUNXI_COMMON=y +CONFIG_PINCTRL_SUN4I_A10=y +CONFIG_PINCTRL_SUN5I_A10S=y +CONFIG_PINCTRL_SUN5I_A13=y +CONFIG_PINCTRL_SUN6I_A31=y +CONFIG_PINCTRL_SUN6I_A31S=y +CONFIG_PINCTRL_SUN6I_A31_R=y +CONFIG_PINCTRL_SUN7I_A20=y +CONFIG_PINCTRL_SUN8I_A23=y +CONFIG_PINCTRL_SUN8I_A33=y +CONFIG_PINCTRL_SUN8I_A23_R=y +CONFIG_PINCTRL_SUN9I_A80=y +# CONFIG_PINCTRL_WM8850 is not set +CONFIG_PINCTRL_MTK_COMMON=y +CONFIG_PINCTRL_MT8135=y +CONFIG_PINCTRL_MT8127=y +CONFIG_PINCTRL_MT6397=y CONFIG_ARCH_HAVE_CUSTOM_GPIO_H=y # # Memory mapped GPIO drivers # +CONFIG_GPIO_BRCMSTB=m +# CONFIG_GPIO_DAVINCI is not set # CONFIG_GPIO_DWAPB is not set # CONFIG_GPIO_EM is not set +CONFIG_GPIO_MSM_V2=m CONFIG_GPIO_MXC=y +CONFIG_GPIO_OMAP=y +# CONFIG_GPIO_RCAR is not set +CONFIG_GPIO_VF610=y +# CONFIG_GPIO_XILINX is not set # CONFIG_GPIO_ZEVIO is not set +CONFIG_GPIO_ZYNQ=m # # USB GPIO expanders # # CONFIG_APM_POWER is not set +CONFIG_POWER_RESET_BRCMSTB=y +CONFIG_POWER_RESET_HISI=y +CONFIG_POWER_RESET_IMX=y +# CONFIG_POWER_RESET_MSM is not set +CONFIG_POWER_RESET_ST=y CONFIG_POWER_RESET_VERSATILE=y +CONFIG_POWER_RESET_KEYSTONE=y +# CONFIG_ROCKCHIP_IODOMAIN is not set + +# +# Native drivers +# +# CONFIG_HISI_THERMAL is not set +CONFIG_ROCKCHIP_THERMAL=m +CONFIG_RCAR_THERMAL=y +CONFIG_DB8500_THERMAL=y +CONFIG_TEGRA_SOCTHERM=m +CONFIG_DB8500_CPUFREQ_COOLING=y + +# +# Texas Instruments thermal drivers +# +# CONFIG_TI_SOC_THERMAL is not set + +# +# Samsung thermal drivers +# +CONFIG_EXYNOS_THERMAL=m + +# +# STMicroelectronics thermal drivers +# +CONFIG_ST_THERMAL=m +CONFIG_ST_THERMAL_SYSCFG=m +CONFIG_ST_THERMAL_MEMMAP=m # # Watchdog Device Drivers # -CONFIG_MAX63XX_WATCHDOG=m +CONFIG_S3C2410_WATCHDOG=m +CONFIG_OMAP_WATCHDOG=m +CONFIG_DAVINCI_WATCHDOG=m +CONFIG_SUNXI_WATCHDOG=m CONFIG_IMX2_WDT=m +CONFIG_UX500_WATCHDOG=y +CONFIG_SIRFSOC_WATCHDOG=y +CONFIG_ST_LPC_WATCHDOG=m +CONFIG_TEGRA_WATCHDOG=m +CONFIG_QCOM_WDT=m +CONFIG_MESON_WATCHDOG=m +CONFIG_MEDIATEK_WATCHDOG=m +CONFIG_BCM47XX_WDT=m # # Multifunction device drivers # +CONFIG_MFD_ATMEL_HLCDC=m # CONFIG_MFD_ASIC3 is not set # CONFIG_HTC_EGPIO is not set CONFIG_MFD_PM8XXX=m CONFIG_MFD_PM8921_CORE=m +CONFIG_MFD_QCOM_RPM=m +CONFIG_MFD_SPMI_PMIC=m +CONFIG_ABX500_CORE=y +# CONFIG_AB3100_CORE is not set +CONFIG_AB8500_CORE=y +CONFIG_MFD_DB8500_PRCMU=y # # STMicroelectronics STMPE Interface Drivers # +CONFIG_MFD_SUN6I_PRCM=y +CONFIG_MFD_OMAP_USB_HOST=y CONFIG_TWL4030_POWER=y # CONFIG_MFD_T7L66XB is not set # CONFIG_MFD_TC6387XB is not set # CONFIG_MFD_TC6393XB is not set +CONFIG_REGULATOR_88PM8607=y +# CONFIG_REGULATOR_AB8500 is not set +CONFIG_REGULATOR_DBX500_PRCMU=y +CONFIG_REGULATOR_DB8500_PRCMU=y +CONFIG_REGULATOR_GPIO=y +CONFIG_REGULATOR_LP872X=y +CONFIG_REGULATOR_LP8788=y +CONFIG_REGULATOR_PBIAS=m +CONFIG_REGULATOR_QCOM_RPM=m +CONFIG_REGULATOR_TI_ABB=m +CONFIG_REGULATOR_TWL4030=y + +# +# Media drivers +# +# CONFIG_IR_MESON is not set +# CONFIG_RC_ST is not set +CONFIG_IR_SUNXI=m # # Media digital TV PCI Adapters # +# CONFIG_VIDEO_OMAP2_VOUT is not set +# CONFIG_VIDEO_SH_VOU is not set +CONFIG_VIDEO_OMAP3=m +# CONFIG_VIDEO_OMAP3_DEBUG is not set CONFIG_VIDEO_MX3=m +# CONFIG_VIDEO_RCAR_VIN is not set +# CONFIG_VIDEO_SH_MOBILE_CSI2 is not set +# CONFIG_VIDEO_SH_MOBILE_CEU is not set +# CONFIG_VIDEO_SAMSUNG_EXYNOS4_IS is not set +# CONFIG_VIDEO_SAMSUNG_S5P_TV is not set +# CONFIG_VIDEO_AM437X_VPFE is not set # CONFIG_VIDEO_CODA is not set +CONFIG_VIDEO_SAMSUNG_S5P_G2D=m +CONFIG_VIDEO_SAMSUNG_S5P_JPEG=m +CONFIG_VIDEO_SAMSUNG_S5P_MFC=m +CONFIG_VIDEO_SAMSUNG_EXYNOS_GSC=m +CONFIG_VIDEO_STI_BDISP=m +CONFIG_VIDEO_RENESAS_VSP1=m +# CONFIG_VIDEO_TI_VPE is not set # # Graphics support # +CONFIG_TEGRA_HOST1X=y +CONFIG_TEGRA_HOST1X_FIREWALL=y CONFIG_IMX_IPUV3_CORE=m # # Direct Rendering Manager # -CONFIG_DRM_MIPI_DSI=y CONFIG_DRM_GEM_CMA_HELPER=y CONFIG_DRM_KMS_CMA_HELPER=y @@ -344,31 +935,71 @@ CONFIG_DRM_KMS_CMA_HELPER=y # I2C encoder or helper chips # CONFIG_DRM_DW_HDMI=m +CONFIG_NOUVEAU_PLATFORM_DRIVER=y CONFIG_DRM_EXYNOS=m +# CONFIG_DRM_EXYNOS_FIMD is not set +CONFIG_DRM_EXYNOS5433_DECON=y # CONFIG_DRM_EXYNOS7_DECON is not set +CONFIG_DRM_EXYNOS_DSI=y CONFIG_DRM_EXYNOS_HDMI=y CONFIG_DRM_EXYNOS_VIDI=y CONFIG_DRM_EXYNOS_G2D=y CONFIG_DRM_EXYNOS_IPP=y +# CONFIG_DRM_EXYNOS_FIMC is not set +# CONFIG_DRM_EXYNOS_ROTATOR is not set +CONFIG_DRM_EXYNOS_MIC=y +CONFIG_DRM_ROCKCHIP=m +CONFIG_ROCKCHIP_DW_HDMI=m CONFIG_DRM_ARMADA=m +CONFIG_DRM_ATMEL_HLCDC=m +CONFIG_DRM_RCAR_DU=m +# CONFIG_DRM_RCAR_HDMI is not set +CONFIG_DRM_SHMOBILE=m # CONFIG_DRM_TILCDC is not set +CONFIG_DRM_MSM=m +# CONFIG_DRM_MSM_FBDEV is not set +# CONFIG_DRM_MSM_REGISTER_LOGGING is not set +CONFIG_DRM_MSM_DSI=y +CONFIG_DRM_MSM_DSI_PLL=y +CONFIG_DRM_TEGRA=m +CONFIG_DRM_TEGRA_FBDEV=y +# CONFIG_DRM_TEGRA_DEBUG is not set +# CONFIG_DRM_TEGRA_STAGING is not set # # Display Panels # -# CONFIG_DRM_PANEL_SHARP_LQ101R1SX01 is not set # CONFIG_DRM_STI is not set +# CONFIG_DRM_IMX is not set # # Frame buffer hardware drivers # +# CONFIG_FB_IMX is not set +# CONFIG_FB_VT8500 is not set +# CONFIG_FB_WM8505 is not set +# CONFIG_FB_SH_MOBILE_LCDC is not set +# CONFIG_FB_S3C is not set +# CONFIG_FB_XILINX is not set +# CONFIG_FB_DA8XX is not set +# CONFIG_FB_MX3 is not set # CONFIG_FB_MXS is not set -CONFIG_VIDEOMODE_HELPERS=y +# CONFIG_OMAP2_DSS is not set +CONFIG_EXYNOS_VIDEO=y +# CONFIG_EXYNOS_MIPI_DSI is not set +# CONFIG_FB_SH_MOBILE_MERAM is not set # # HD-Audio # +CONFIG_SND_HDA_TEGRA=m CONFIG_SND_ARM=y +CONFIG_SND_ARMAACI=m +# CONFIG_SND_SOC_ADI is not set +CONFIG_SND_EDMA_SOC=m +CONFIG_SND_DAVINCI_SOC_MCASP=m +CONFIG_SND_DAVINCI_SOC_GENERIC_EVM=m +CONFIG_SND_AM33XX_SOC_EVM=m # # Common SoC Audio options for Freescale CPUs: @@ -387,61 +1018,193 @@ CONFIG_SND_SOC_IMX_ES8328=m CONFIG_SND_SOC_IMX_SGTL5000=m CONFIG_SND_SOC_IMX_SPDIF=m CONFIG_SND_SOC_FSL_ASOC_CARD=m +CONFIG_SND_SOC_MEDIATEK=m +CONFIG_SND_SOC_MT8173_MAX98090=m +CONFIG_SND_SOC_MT8173_RT5650_RT5676=m +CONFIG_SND_SOC_LPASS_CPU=m +CONFIG_SND_SOC_LPASS_PLATFORM=m +CONFIG_SND_SOC_LPASS_IPQ806X=m +CONFIG_SND_SOC_LPASS_APQ8016=m +CONFIG_SND_SOC_STORM=m +CONFIG_SND_SOC_APQ8016_SBC=m +CONFIG_SND_SOC_ROCKCHIP=m +CONFIG_SND_SOC_ROCKCHIP_I2S=m +CONFIG_SND_SOC_SAMSUNG=m +CONFIG_SND_SAMSUNG_PCM=m +CONFIG_SND_SAMSUNG_SPDIF=m +CONFIG_SND_SAMSUNG_I2S=m +CONFIG_SND_SOC_SAMSUNG_SMDK_WM8994=m +CONFIG_SND_SOC_SAMSUNG_SMDK_SPDIF=m +CONFIG_SND_SOC_SMDK_WM8994_PCM=m +CONFIG_SND_SOC_SNOW=m +CONFIG_SND_SOC_ODROIDX2=m +CONFIG_SND_SOC_ARNDALE_RT5631_ALC5631=m # # SoC Audio support for SuperH # +CONFIG_SND_SOC_SH4_FSI=m +CONFIG_SND_SOC_RCAR=m +CONFIG_SND_SOC_RSRC_CARD=m +CONFIG_SND_SOC_SIRF=m +CONFIG_SND_SOC_SIRF_AUDIO=m +CONFIG_SND_SOC_SIRF_AUDIO_PORT=m +CONFIG_SND_SOC_SIRF_USP=m +CONFIG_SND_SOC_UX500=m +CONFIG_SND_SOC_UX500_PLAT_DMA=m CONFIG_SND_SOC_XTFPGA_I2S=m # # CODEC drivers # +CONFIG_SND_SOC_WM_HUBS=m CONFIG_SND_SOC_ES8328_I2C=m +CONFIG_SND_SOC_MAX98090=m +CONFIG_SND_SOC_MAX98095=m +CONFIG_SND_SOC_MAX98357A=m +CONFIG_SND_SOC_RL6231=m +CONFIG_SND_SOC_RT5645=m +CONFIG_SND_SOC_RT5677=m +CONFIG_SND_SOC_WM8994=m + +# +# USB Host Controller Drivers +# +CONFIG_USB_XHCI_RCAR=m +CONFIG_USB_EHCI_MXC=y +CONFIG_USB_EHCI_HCD_OMAP=y +CONFIG_USB_EHCI_HCD_STI=m +CONFIG_USB_EHCI_MSM=y +CONFIG_USB_EHCI_TEGRA=y +CONFIG_USB_EHCI_EXYNOS=y +CONFIG_USB_OHCI_HCD_STI=m +CONFIG_USB_OHCI_HCD_OMAP3=y +CONFIG_USB_OHCI_EXYNOS=y +CONFIG_USB_UHCI_SUPPORT_NON_PCI_HC=y +CONFIG_USB_UHCI_PLATFORM=y +CONFIG_USB_IMX21_HCD=y + +# +# Platform Glue Layer +# +CONFIG_USB_MUSB_OMAP2PLUS=m +CONFIG_USB_MUSB_AM35X=m +CONFIG_USB_MUSB_DSPS=m +CONFIG_USB_MUSB_UX500=m +CONFIG_USB_MUSB_AM335X_CHILD=m +CONFIG_USB_UX500_DMA=y +# CONFIG_USB_INVENTRA_DMA is not set +# CONFIG_USB_TI_CPPI41_DMA is not set +# CONFIG_MUSB_PIO_ONLY is not set + +# +# Platform Glue Driver Support +# +CONFIG_USB_DWC3_EXYNOS=m +CONFIG_USB_DWC3_KEYSTONE=m +CONFIG_USB_DWC3_ST=m +CONFIG_USB_DWC3_QCOM=m # # USB Physical Layer drivers # +# CONFIG_AB8500_USB is not set +CONFIG_KEYSTONE_USB_PHY=m CONFIG_AM335X_CONTROL_USB=m CONFIG_AM335X_PHY_USB=m CONFIG_USB_MXS_PHY=m +CONFIG_USB_RCAR_PHY=m # # MMC/SD/SDIO Host Controller Drivers # CONFIG_MMC_SDHCI_IO_ACCESSORS=y -CONFIG_MMC_SDHCI_OF_ARASAN=m CONFIG_MMC_SDHCI_ESDHC_IMX=m +CONFIG_MMC_SDHCI_TEGRA=m +CONFIG_MMC_SDHCI_S3C=m +CONFIG_MMC_SDHCI_SIRF=m CONFIG_MMC_SDHCI_PXAV3=m +CONFIG_MMC_SDHCI_S3C_DMA=y +CONFIG_MMC_SDHCI_IPROC=m +CONFIG_MMC_SDHCI_ST=m +CONFIG_MMC_OMAP=m +CONFIG_MMC_OMAP_HS=m +CONFIG_MMC_SDHCI_MSM=m CONFIG_MMC_MXC=m +CONFIG_MMC_TMIO_CORE=m +CONFIG_MMC_SDHI=m +CONFIG_MMC_DW_ROCKCHIP=m +CONFIG_MMC_SH_MMCIF=m +CONFIG_MMC_WMT=y +CONFIG_MMC_SUNXI=m + +# +# LED drivers +# +CONFIG_LEDS_AAT1290=m # # iptables trigger is under Netfilter config (LED target) # +CONFIG_EDAC_ATOMIC_SCRUB=y # CONFIG_EDAC is not set # # Platform RTC drivers # CONFIG_RTC_DRV_CMOS=y +# CONFIG_RTC_DRV_AB8500 is not set # # on-CPU RTC drivers # CONFIG_RTC_DRV_IMXDI=m +CONFIG_RTC_DRV_OMAP=m +CONFIG_RTC_DRV_S3C=m +# CONFIG_RTC_DRV_VT8500 is not set +CONFIG_RTC_DRV_SUN6I=m +CONFIG_RTC_DRV_SUNXI=m CONFIG_RTC_DRV_PM8XXX=m +CONFIG_RTC_DRV_TEGRA=m CONFIG_RTC_DRV_MXC=m +CONFIG_RTC_DRV_SIRFSOC=m +CONFIG_RTC_DRV_ST_LPC=m # # DMA Devices # CONFIG_MX3_IPU=y CONFIG_MX3_IPU_IRQS=4 +# CONFIG_TEGRA20_APB_DMA is not set +CONFIG_RENESAS_DMA=y +CONFIG_SH_DMAE_BASE=y +# CONFIG_SH_DMAE is not set +# CONFIG_SUDMAC is not set +# CONFIG_RCAR_HPB_DMAE is not set +CONFIG_RCAR_DMAC=m +CONFIG_RENESAS_USB_DMAC=m +# CONFIG_STE_DMA40 is not set +# CONFIG_SIRF_DMA is not set +# CONFIG_TI_EDMA is not set +# CONFIG_IMX_SDMA is not set +# CONFIG_IMX_DMA is not set +# CONFIG_MXS_DMA is not set +# CONFIG_DMA_OMAP is not set +# CONFIG_TI_CPPI41 is not set +# CONFIG_K3_DMA is not set +CONFIG_XILINX_VDMA=m +CONFIG_DMA_SUN6I=m CONFIG_NBPFAXI_DMA=m # # DMA Clients # -# CONFIG_VFIO is not set +# CONFIG_QCOM_BAM_DMA is not set + +# +# Speakup console speech +# +# CONFIG_MFD_NVEC is not set # # Android @@ -451,99 +1214,237 @@ CONFIG_CHROME_PLATFORMS=y # # Common Clock Framework # +# CONFIG_COMMON_CLK_AXI_CLKGEN is not set CONFIG_CLK_QORIQ=y +CONFIG_COMMON_CLK_KEYSTONE=y +CONFIG_COMMON_CLK_IPROC=y +CONFIG_COMMON_CLK_HI6220=y +CONFIG_COMMON_CLK_QCOM=m +CONFIG_APQ_GCC_8084=m +CONFIG_APQ_MMCC_8084=m +CONFIG_IPQ_GCC_806X=m +CONFIG_IPQ_LCC_806X=m +CONFIG_MSM_GCC_8660=m +CONFIG_MSM_GCC_8916=m +CONFIG_MSM_GCC_8960=m +CONFIG_MSM_LCC_8960=m +CONFIG_MSM_MMCC_8960=m +CONFIG_MSM_GCC_8974=m +CONFIG_MSM_MMCC_8974=m +CONFIG_COMMON_CLK_SAMSUNG=y +CONFIG_TEGRA_CLK_EMC=y +CONFIG_HWSPINLOCK=m + +# +# Hardware Spinlock drivers +# +# CONFIG_HWSPINLOCK_OMAP is not set +CONFIG_HWSPINLOCK_QCOM=m +CONFIG_HWSPINLOCK_SIRF=m +# CONFIG_HSEM_U8500 is not set # # Clock Source drivers # -CONFIG_IOMMU_API=y +CONFIG_DW_APB_TIMER=y +CONFIG_DW_APB_TIMER_OF=y +CONFIG_ROCKCHIP_TIMER=y +CONFIG_MESON6_TIMER=y +CONFIG_SUN4I_TIMER=y +CONFIG_SUN5I_HSTIMER=y +CONFIG_TEGRA_TIMER=y +CONFIG_VT8500_TIMER=y +CONFIG_CADENCE_TTC_TIMER=y +CONFIG_CLKSRC_NOMADIK_MTU=y +CONFIG_CLKSRC_DBX500_PRCMU=y +CONFIG_CLKSRC_DBX500_PRCMU_SCHED_CLOCK=y +CONFIG_ARM_GLOBAL_TIMER=y +CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK=y +CONFIG_CLKSRC_EXYNOS_MCT=y +CONFIG_CLKSRC_SAMSUNG_PWM=y +CONFIG_MTK_TIMER=y +CONFIG_SYS_SUPPORTS_SH_TMU=y +CONFIG_SH_TIMER_TMU=y +CONFIG_CLKSRC_VERSATILE=y +CONFIG_CLKSRC_IMX_GPT=y +CONFIG_PL320_MBOX=y +CONFIG_OMAP2PLUS_MBOX=m +CONFIG_OMAP_MBOX_KFIFO_SIZE=256 # # Generic IOMMU Pagetable Support # -CONFIG_IOMMU_IO_PGTABLE=y -CONFIG_IOMMU_IO_PGTABLE_LPAE=y -# CONFIG_IOMMU_IO_PGTABLE_LPAE_SELFTEST is not set -CONFIG_OF_IOMMU=y +CONFIG_OMAP_IOMMU=y +# CONFIG_OMAP_IOMMU_DEBUG is not set +CONFIG_ROCKCHIP_IOMMU=y +# CONFIG_TEGRA_IOMMU_GART is not set +# CONFIG_TEGRA_IOMMU_SMMU is not set +# CONFIG_EXYNOS_IOMMU is not set +# CONFIG_SHMOBILE_IOMMU is not set CONFIG_ARM_SMMU=y # -# Memory Debugging -# -# CONFIG_DEBUG_SLAB is not set -# CONFIG_DEBUG_HIGHMEM is not set - +# Remoteproc drivers +# +CONFIG_REMOTEPROC=m +CONFIG_OMAP_REMOTEPROC=m +CONFIG_WKUP_M3_RPROC=m + +# +# Rpmsg drivers +# +CONFIG_RPMSG=m + # -# RCU Debugging +# SOC (System On Chip) specific Drivers # -# CONFIG_UPROBE_EVENT is not set +# CONFIG_MTK_PMIC_WRAP is not set +CONFIG_QCOM_GSBI=m +CONFIG_QCOM_PM=y +CONFIG_SUNXI_SRAM=y +# CONFIG_KEYSTONE_NAVIGATOR_QMSS is not set +CONFIG_KEYSTONE_NAVIGATOR_DMA=m # -# Runtime Testing +# DEVFREQ Drivers # -# CONFIG_ARM_PTDUMP is not set -CONFIG_ARM_UNWIND=y -# CONFIG_DEBUG_USER is not set -# CONFIG_DEBUG_LL is not set -CONFIG_DEBUG_IMX_UART_PORT=1 -# CONFIG_DEBUG_UART_8250 is not set -CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h" +CONFIG_ARM_EXYNOS5_BUS_DEVFREQ=m +CONFIG_ARM_TEGRA_DEVFREQ=m +CONFIG_DEVFREQ_EVENT_EXYNOS_PPMU=y +# CONFIG_TI_AEMIF is not set +# CONFIG_TI_EMIF is not set +CONFIG_OMAP_GPMC=y +CONFIG_TEGRA20_MC=y +CONFIG_TEGRA_MC=y +CONFIG_TEGRA124_EMC=y # -# PaX +# Analog to digital converters # -CONFIG_PAX=y +# CONFIG_BERLIN2_ADC is not set +# CONFIG_EXYNOS_ADC is not set +CONFIG_ROCKCHIP_SARADC=m +# CONFIG_XILINX_XADC is not set # -# PaX Control +# Temperature sensors # -# CONFIG_PAX_SOFTMODE is not set -CONFIG_PAX_EI_PAX=y -CONFIG_PAX_PT_PAX_FLAGS=y -# CONFIG_PAX_XATTR_PAX_FLAGS is not set -# CONFIG_PAX_NO_ACL_FLAGS is not set -CONFIG_PAX_HAVE_ACL_FLAGS=y -# CONFIG_PAX_HOOK_ACL_FLAGS is not set +# CONFIG_PWM_AB8500 is not set +CONFIG_PWM_ATMEL_HLCDC_PWM=m +# CONFIG_PWM_IMX is not set +# CONFIG_PWM_RENESAS_TPU is not set +CONFIG_PWM_ROCKCHIP=m +# CONFIG_PWM_SAMSUNG is not set +CONFIG_PWM_STI=m +CONFIG_PWM_SUN4I=m +# CONFIG_PWM_TEGRA is not set +# CONFIG_PWM_TIECAP is not set +# CONFIG_PWM_TIEHRPWM is not set +# CONFIG_PWM_VT8500 is not set +CONFIG_GIC_NON_BANKED=y +CONFIG_BCM7120_L2_IRQ=y +CONFIG_BRCMSTB_L2_IRQ=y +CONFIG_DW_APB_ICTL=y +CONFIG_OMAP_IRQCHIP=y +CONFIG_RENESAS_INTC_IRQPIN=y +CONFIG_ST_IRQCHIP=y +CONFIG_IRQ_CROSSBAR=y +# CONFIG_KEYSTONE_IRQ is not set +CONFIG_ARCH_HAS_RESET_CONTROLLER=y +CONFIG_STI_RESET_SYSCFG=y +CONFIG_STIH415_RESET=y +CONFIG_STIH416_RESET=y +CONFIG_STIH407_RESET=y # -# Non-executable pages +# PHY Subsystem # -CONFIG_PAX_KERNEXEC_PLUGIN_METHOD="" +CONFIG_PHY_BERLIN_USB=m +CONFIG_PHY_BERLIN_SATA=m +CONFIG_PHY_DM816X_USB=m +CONFIG_PHY_EXYNOS_MIPI_VIDEO=y +CONFIG_PHY_MIPHY28LP=m +CONFIG_PHY_MIPHY365X=m +CONFIG_PHY_RCAR_GEN2=m +CONFIG_OMAP_CONTROL_PHY=m +CONFIG_TWL4030_USB=m +CONFIG_PHY_EXYNOS_DP_VIDEO=y +CONFIG_PHY_EXYNOS5250_SATA=m +CONFIG_PHY_HIX5HD2_SATA=m +CONFIG_PHY_SUN4I_USB=m +CONFIG_PHY_SUN9I_USB=m +CONFIG_PHY_EXYNOS4210_USB2=y +CONFIG_PHY_EXYNOS4X12_USB2=y +CONFIG_PHY_EXYNOS5250_USB2=y +CONFIG_PHY_EXYNOS5_USBDRD=m +CONFIG_PHY_QCOM_APQ8064_SATA=m +CONFIG_PHY_QCOM_IPQ806X_SATA=m +CONFIG_PHY_ROCKCHIP_USB=m +CONFIG_PHY_STIH407_USB=m +CONFIG_PHY_STIH41X_USB=m +CONFIG_PHY_QCOM_UFS=m +CONFIG_PHY_BRCMSTB_SATA=m + +# +# Firmware Drivers +# +CONFIG_QCOM_SCM=y +CONFIG_BCM47XX_NVRAM=y + +# +# Pseudo filesystems +# +CONFIG_PROC_VMCORE=y # -# Address Space Layout Randomization -# -CONFIG_PAX_ASLR=y -CONFIG_PAX_RANDUSTACK=y -CONFIG_PAX_RANDMMAP=y - -# -# Miscellaneous hardening features +# Memory Debugging # -CONFIG_PAX_USERCOPY=y +# CONFIG_DEBUG_HIGHMEM is not set # -# Memory Protections +# RCU Debugging # -CONFIG_GRKERNSEC_RAND_THREADSTACK=y -CONFIG_GRKERNSEC_PROC_MEMMAP=y -CONFIG_GRKERNSEC_KERN_LOCKOUT=y +# CONFIG_UPROBE_EVENT is not set # -# Executable Protections +# Runtime Testing # -# CONFIG_GRKERNSEC_SETXID is not set +# CONFIG_ARM_PTDUMP is not set +CONFIG_ARM_UNWIND=y +# CONFIG_DEBUG_USER is not set +# CONFIG_DEBUG_LL is not set +CONFIG_DEBUG_IMX_UART_PORT=1 +CONFIG_DEBUG_VF_UART_PORT=1 +CONFIG_DEBUG_LL_INCLUDE="debug/bcm63xx.S" +# CONFIG_DEBUG_UART_8250 is not set +CONFIG_DEBUG_UART_BCM63XX=y +CONFIG_DEBUG_UART_PHYS=0xfffe8600 +CONFIG_DEBUG_UART_VIRT=0xfcfe8600 +CONFIG_UNCOMPRESS_INCLUDE="debug/uncompress.h" # # Random Number Generation # CONFIG_CRYPTO_DEV_HIFN_795X=m CONFIG_CRYPTO_DEV_HIFN_795X_RNG=y +CONFIG_CRYPTO_DEV_OMAP_SHAM=m +CONFIG_CRYPTO_DEV_OMAP_AES=m +CONFIG_CRYPTO_DEV_OMAP_DES=m CONFIG_CRYPTO_DEV_SAHARA=m +CONFIG_CRYPTO_DEV_S5P=m +# CONFIG_CRYPTO_DEV_UX500 is not set +CONFIG_CRYPTO_DEV_QCE=m CONFIG_ARM_CRYPTO=y CONFIG_CRYPTO_SHA1_ARM=m +CONFIG_CRYPTO_SHA1_ARM_NEON=m +CONFIG_CRYPTO_SHA1_ARM_CE=m +CONFIG_CRYPTO_SHA2_ARM_CE=m CONFIG_CRYPTO_SHA256_ARM=m +CONFIG_CRYPTO_SHA512_ARM=m CONFIG_CRYPTO_AES_ARM=m +CONFIG_CRYPTO_AES_ARM_BS=m +CONFIG_CRYPTO_AES_ARM_CE=m +CONFIG_CRYPTO_GHASH_ARM_CE=m # # Library routines diff --git a/kernel/config-arm64-generic b/kernel/config-arm64-generic index 3eca78b..5d84e7c 100644 --- a/kernel/config-arm64-generic +++ b/kernel/config-arm64-generic @@ -1,52 +1,20 @@ CONFIG_ARM64=y CONFIG_64BIT=y CONFIG_ARCH_PHYS_ADDR_T_64BIT=y +CONFIG_ILLEGAL_POINTER_VALUE=0xdead000000000000 CONFIG_GENERIC_CSUM=y CONFIG_ARCH_DMA_ADDR_T_64BIT=y -CONFIG_KERNEL_MODE_NEON=y CONFIG_FIX_EARLYCON_MEM=y # -# IRQ subsystem -# -CONFIG_IRQ_DOMAIN_HIERARCHY=y -CONFIG_GENERIC_TIME_VSYSCALL=y -CONFIG_ARCH_HAS_TICK_BROADCAST=y -CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y - -# -# Timers subsystem -# -# CONFIG_NO_HZ_IDLE is not set -CONFIG_NO_HZ_FULL=y -# CONFIG_NO_HZ_FULL_ALL is not set -# CONFIG_NO_HZ_FULL_SYSIDLE is not set - -# # RCU Subsystem # -CONFIG_TREE_RCU=y -CONFIG_RCU_STALL_COMMON=y -CONFIG_RCU_USER_QS=y # CONFIG_CONTEXT_TRACKING_FORCE is not set -CONFIG_RCU_FANOUT=64 -CONFIG_RCU_FANOUT_LEAF=16 -# CONFIG_RCU_FANOUT_EXACT is not set -# CONFIG_RCU_FAST_NO_HZ is not set -CONFIG_RCU_NOCB_CPU=y -CONFIG_RCU_NOCB_CPU_NONE=y -# CONFIG_RCU_NOCB_CPU_ZERO is not set -# CONFIG_RCU_NOCB_CPU_ALL is not set -CONFIG_LOG_CPU_MAX_BUF_SHIFT=12 CONFIG_SYSCTL_EXCEPTION_TRACE=y # # Kernel Performance Events And Counters # -# CONFIG_SLUB_DEBUG is not set -# CONFIG_SLAB is not set -CONFIG_SLUB=y -CONFIG_SLUB_CPU_PARTIAL=y CONFIG_ARCH_WANT_COMPAT_IPC_PARSE_VERSION=y CONFIG_MODULES_USE_ELF_RELA=y CONFIG_COMPAT_OLD_SIGACTION=y @@ -60,31 +28,25 @@ CONFIG_BLOCK_COMPAT=y # IO Schedulers # CONFIG_PREEMPT_NOTIFIERS=y -CONFIG_PADATA=y -CONFIG_MUTEX_SPIN_ON_OWNER=y -CONFIG_RWSEM_SPIN_ON_OWNER=y -CONFIG_LOCK_SPIN_ON_OWNER=y # # Platform selection # # CONFIG_ARCH_EXYNOS7 is not set # CONFIG_ARCH_FSL_LS2085A is not set +# CONFIG_ARCH_HISI is not set # CONFIG_ARCH_MEDIATEK is not set # CONFIG_ARCH_QCOM is not set CONFIG_ARCH_SEATTLE=y # CONFIG_ARCH_TEGRA is not set # CONFIG_ARCH_SPRD is not set # CONFIG_ARCH_THUNDER is not set -CONFIG_ARCH_VEXPRESS=y CONFIG_ARCH_XGENE=y # CONFIG_ARCH_ZYNQMP is not set # # Bus support # -CONFIG_PCI_DOMAINS=y -CONFIG_PCI_DOMAINS_GENERIC=y CONFIG_PCI_BUS_ADDR_T_64BIT=y CONFIG_PCI_LABEL=y @@ -108,18 +70,14 @@ CONFIG_ARM64_ERRATUM_824069=y CONFIG_ARM64_ERRATUM_819472=y CONFIG_ARM64_ERRATUM_832075=y CONFIG_ARM64_ERRATUM_845719=y +CONFIG_ARM64_ERRATUM_843419=y # CONFIG_ARM64_4K_PAGES is not set CONFIG_ARM64_64K_PAGES=y CONFIG_ARM64_VA_BITS_42=y # CONFIG_ARM64_VA_BITS_48 is not set CONFIG_ARM64_VA_BITS=42 -CONFIG_SMP=y -CONFIG_SCHED_MC=y -CONFIG_SCHED_SMT=y CONFIG_NR_CPUS=64 -CONFIG_HOTPLUG_CPU=y CONFIG_HZ=100 -CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SPARSEMEM_DEFAULT=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y @@ -131,12 +89,9 @@ CONFIG_SPARSEMEM=y CONFIG_SPARSEMEM_EXTREME=y CONFIG_SPARSEMEM_VMEMMAP_ENABLE=y CONFIG_SPARSEMEM_VMEMMAP=y -CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_PHYS_ADDR_T_64BIT=y -CONFIG_MMU_NOTIFIER=y # CONFIG_TRANSPARENT_HUGEPAGE is not set CONFIG_GENERIC_EARLY_IOREMAP=y -# CONFIG_XEN is not set CONFIG_FORCE_MAX_ZONEORDER=11 CONFIG_ARMV8_DEPRECATED=y CONFIG_SWP_EMULATION=y @@ -159,11 +114,6 @@ CONFIG_COMPAT=y CONFIG_SYSVIPC_COMPAT=y # -# Power management options -# -CONFIG_PM_SLEEP_SMP=y - -# # ARM CPU Idle Drivers # # CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set @@ -171,31 +121,17 @@ CONFIG_PM_SLEEP_SMP=y # # CPU frequency scaling drivers # -# CONFIG_ARM_KIRKWOOD_CPUFREQ is not set +CONFIG_ARM_DT_BL_CPUFREQ=m CONFIG_COMPAT_NETLINK_MESSAGES=y # -# Classification -# -CONFIG_RPS=y -CONFIG_RFS_ACCEL=y -CONFIG_XPS=y -CONFIG_NET_FLOW_LIMIT=y - -# -# Device Drivers -# -CONFIG_ARM_AMBA=y -CONFIG_TEGRA_AHB=y - -# # Generic Driver Options # # CONFIG_FW_LOADER_USER_HELPER_FALLBACK is not set CONFIG_GENERIC_CPU_AUTOPROBE=y # -# Device Tree and Open Firmware support +# Bus devices # CONFIG_PNP=y # CONFIG_PNP_DEBUG_MESSAGES is not set @@ -207,7 +143,7 @@ CONFIG_PNPACPI=y CONFIG_BLK_DEV_SKD=m # -# Intel MIC Card Driver +# SCIF Driver # # CONFIG_GENWQE is not set @@ -235,14 +171,13 @@ CONFIG_VORTEX=m CONFIG_AMD_XGBE=m CONFIG_NET_XGENE=m CONFIG_MACB=m +CONFIG_THUNDER_NIC_PF=m +CONFIG_THUNDER_NIC_VF=m +CONFIG_THUNDER_NIC_BGX=m +CONFIG_LIQUIDIO=m CONFIG_NET_SB1000=m # -# MII PHY device drivers -# -CONFIG_AMD_XGBE_PHY=m - -# # Input device support # CONFIG_INPUT_MATRIXKMAP=m @@ -253,11 +188,6 @@ CONFIG_INPUT_MATRIXKMAP=m # CONFIG_KEYBOARD_SAMSUNG is not set # -# Hardware I/O ports -# -# CONFIG_SERIO_AMBAKMI is not set - -# # Serial drivers # CONFIG_SERIAL_8250_PNP=y @@ -266,8 +196,6 @@ CONFIG_SERIAL_8250_FINTEK=m # # Non-8250 serial port support # -CONFIG_SERIAL_AMBA_PL010=m -CONFIG_SERIAL_AMBA_PL011=m CONFIG_HW_RANDOM_XGENE=m # @@ -289,11 +217,11 @@ CONFIG_I2C_SCMI=m # I2C system bus drivers (mostly embedded / system-on-chip) # CONFIG_I2C_NOMADIK=m -CONFIG_I2C_VERSATILE=m # # Other I2C/SMBus bus drivers # +CONFIG_I2C_XGENE_SLIMPRO=m # CONFIG_I2C_SLAVE is not set # @@ -315,7 +243,6 @@ CONFIG_GPIO_ACPI=y # Memory mapped GPIO drivers # CONFIG_GPIO_DWAPB=m -CONFIG_GPIO_PL061=y CONFIG_GPIO_XGENE=y CONFIG_GPIO_XGENE_SB=m @@ -330,11 +257,6 @@ CONFIG_POWER_RESET_XGENE=y CONFIG_SENSORS_ACPI_POWER=m # -# Watchdog Device Drivers -# -CONFIG_ARM_SP805_WATCHDOG=m - -# # Multifunction device drivers # # CONFIG_MFD_ATMEL_HLCDC is not set @@ -343,7 +265,6 @@ CONFIG_ARM_SP805_WATCHDOG=m # # STMicroelectronics STMPE Interface Drivers # -# CONFIG_MFD_VX855 is not set # CONFIG_REGULATOR_88PM8607 is not set # CONFIG_REGULATOR_GPIO is not set # CONFIG_REGULATOR_LP872X is not set @@ -359,42 +280,11 @@ CONFIG_ARM_SP805_WATCHDOG=m # CONFIG_IR_NUVOTON is not set # -# Media digital TV PCI Adapters -# -# CONFIG_VIDEO_CAFE_CCIC is not set - -# -# I2C encoder or helper chips -# -# CONFIG_DRM_I2C_CH7006 is not set -# CONFIG_DRM_I2C_SIL164 is not set -# CONFIG_DRM_I2C_NXP_TDA998X is not set - -# -# Display Panels -# -# CONFIG_DRM_PANEL_SIMPLE is not set -# CONFIG_DRM_PANEL_S6E8AA0 is not set - -# -# Frame buffer Devices -# -# CONFIG_FB_MODE_HELPERS is not set - -# -# Frame buffer hardware drivers -# -# CONFIG_FB_ARMCLCD is not set -# CONFIG_LCD_PLATFORM is not set - -# # Console display driver support # CONFIG_DUMMY_CONSOLE_COLUMNS=80 CONFIG_DUMMY_CONSOLE_ROWS=25 -# CONFIG_SND_ES1968_INPUT is not set # CONFIG_SND_LX6464ES is not set -# CONFIG_SND_MAESTRO3_INPUT is not set # # Common SoC Audio options for Freescale CPUs: @@ -409,10 +299,7 @@ CONFIG_MUSB_PIO_ONLY=y # # MMC/SD/SDIO Host Controller Drivers # -CONFIG_MMC_ARMMMCI=m -# CONFIG_MMC_RICOH_MMC is not set CONFIG_MMC_SDHCI_ACPI=m -# CONFIG_MMC_SDHCI_OF_ARASAN is not set # # LED drivers @@ -420,6 +307,15 @@ CONFIG_MMC_SDHCI_ACPI=m CONFIG_LEDS_INTEL_SS4200=m # +# iptables trigger is under Netfilter config (LED target) +# +CONFIG_EDAC=y +CONFIG_EDAC_LEGACY_SYSFS=y +# CONFIG_EDAC_DEBUG is not set +CONFIG_EDAC_MM_EDAC=m +CONFIG_EDAC_XGENE=m + +# # Platform RTC drivers # CONFIG_RTC_DRV_EFI=m @@ -427,16 +323,12 @@ CONFIG_RTC_DRV_EFI=m # # on-CPU RTC drivers # -CONFIG_RTC_DRV_PL030=m -CONFIG_RTC_DRV_PL031=m +CONFIG_RTC_DRV_XGENE=m # # DMA Devices # CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH=y -# CONFIG_AMBA_PL08X is not set -# CONFIG_DW_DMAC_PCI is not set -# CONFIG_PL330_DMA is not set CONFIG_XGENE_DMA=m CONFIG_DMA_ACPI=y @@ -444,58 +336,44 @@ CONFIG_DMA_ACPI=y # DMA Clients # CONFIG_DMA_ENGINE_RAID=y -# CONFIG_UIO_AEC is not set -# CONFIG_UIO_SERCOS3 is not set -# CONFIG_UIO_PCI_GENERIC is not set -# CONFIG_UIO_MF624 is not set # # Android # -CONFIG_I2O_EXT_ADAPTEC_DMA64=y # CONFIG_FSL_MC_BUS is not set +# CONFIG_CHROME_PLATFORMS is not set # # Common Clock Framework # -CONFIG_COMMON_CLK_WM831X=y -CONFIG_COMMON_CLK_VERSATILE=y -CONFIG_CLK_SP810=y -CONFIG_CLK_VEXPRESS_OSC=y -CONFIG_COMMON_CLK_MAX77686=y CONFIG_COMMON_CLK_XGENE=y # # Clock Source drivers # -CONFIG_ARM_ARCH_TIMER=y -CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y # CONFIG_SH_TIMER_TMU is not set -CONFIG_ARM_MHU=m # CONFIG_PL320_MBOX is not set # CONFIG_PCC is not set # # Generic IOMMU Pagetable Support # -# CONFIG_IOMMU_IO_PGTABLE_LPAE is not set # CONFIG_ARM_SMMU is not set +CONFIG_ARM_SMMU_V3=y # -# Analog to digital converters +# SOC (System On Chip) specific Drivers # -# CONFIG_LP8788_ADC is not set -# CONFIG_TWL6030_GPADC is not set +# CONFIG_SUNXI_SRAM is not set + +# +# Light sensors +# +# CONFIG_ACPI_ALS is not set # # Temperature sensors # -# CONFIG_PWM_FSL_FTM is not set -# CONFIG_PWM_LP3943 is not set -# CONFIG_PWM_PCA9685 is not set -# CONFIG_PWM_TWL is not set -# CONFIG_PWM_TWL_LED is not set -CONFIG_ARM_GIC=y CONFIG_ARM_GIC_V3=y # @@ -507,6 +385,15 @@ CONFIG_ARM_GIC_V3=y CONFIG_PHY_XGENE=m # +# Android +# +CONFIG_LIBNVDIMM=y +CONFIG_BLK_DEV_PMEM=m +CONFIG_ND_BLK=m +CONFIG_ND_BTT=m +CONFIG_BTT=y + +# # Firmware Drivers # CONFIG_DMIID=y @@ -516,6 +403,7 @@ CONFIG_DMI_SYSFS=y # EFI (Extensible Firmware Interface) Support # CONFIG_EFI_VARS=y +CONFIG_EFI_ESRT=y CONFIG_EFI_VARS_PSTORE=y # CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE is not set CONFIG_EFI_PARAMS_FROM_FDT=y @@ -523,7 +411,7 @@ CONFIG_EFI_RUNTIME_WRAPPERS=y CONFIG_EFI_ARMSTUB=y CONFIG_ACPI=y CONFIG_ACPI_GENERIC_GSI=y -# CONFIG_ACPI_PROCFS_POWER is not set +CONFIG_ACPI_CCA_REQUIRED=y # CONFIG_ACPI_EC_DEBUGFS is not set CONFIG_ACPI_BUTTON=m CONFIG_ACPI_FAN=m @@ -536,20 +424,22 @@ CONFIG_ACPI_CONTAINER=y CONFIG_ACPI_HED=m CONFIG_ACPI_CUSTOM_METHOD=m CONFIG_ACPI_REDUCED_HARDWARE_ONLY=y +CONFIG_ACPI_NFIT=m # CONFIG_PMIC_OPREGION is not set # # File systems # -CONFIG_DCACHE_WORD_ACCESS=y # CONFIG_FS_DAX is not set # # Pseudo filesystems # +# CONFIG_PROC_KCORE is not set # CONFIG_HUGETLBFS is not set CONFIG_EFIVAR_FS=y CONFIG_KVM_MMIO=y +CONFIG_KVM_VFIO=y CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y CONFIG_KVM_COMPAT=y CONFIG_KVM=y @@ -563,45 +453,17 @@ CONFIG_ARCH_WANT_FRAME_POINTERS=y CONFIG_FRAME_POINTER=y # -# Memory Debugging -# -# CONFIG_SLUB_STATS is not set -# CONFIG_DEBUG_PER_CPU_MAPS is not set - -# -# Lock Debugging (spinlocks, mutexes, etc...) -# -# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set -# CONFIG_DEBUG_LOCK_ALLOC is not set -# CONFIG_PROVE_LOCKING is not set -# CONFIG_LOCK_STAT is not set - -# # RCU Debugging # -CONFIG_RCU_CPU_STALL_TIMEOUT=21 -# CONFIG_RCU_CPU_STALL_INFO is not set CONFIG_FUNCTION_GRAPH_TRACER=y # # Runtime Testing # # CONFIG_ARM64_PTDUMP is not set -# CONFIG_PID_IN_CONTEXTIDR is not set # CONFIG_ARM64_RANDOMIZE_TEXT_OFFSET is not set # -# Memory Protections -# -CONFIG_GRKERNSEC_KSTACKOVERFLOW=y - -# -# Crypto core or helper -# -CONFIG_CRYPTO_PCRYPT=m -CONFIG_CRYPTO_ABLK_HELPER=m - -# # Random Number Generation # CONFIG_CRYPTO_DEV_CCP=y @@ -623,5 +485,4 @@ CONFIG_CRYPTO_CRC32_ARM64=m CONFIG_AUDIT_ARCH_COMPAT_GENERIC=y CONFIG_AUDIT_COMPAT_GENERIC=y CONFIG_HAS_IOPORT_MAP=y -CONFIG_CPU_RMAP=y CONFIG_UCS2_STRING=y diff --git a/kernel/config-armv5tel-default b/kernel/config-armv5tel-default deleted file mode 100644 index 20dc271..0000000 --- a/kernel/config-armv5tel-default +++ /dev/null @@ -1,424 +0,0 @@ - -# -# General setup -# -CONFIG_BROKEN_ON_SMP=y - -# -# Timers subsystem -# -CONFIG_NO_HZ_IDLE=y - -# -# CPU/Task time and stats accounting -# -# CONFIG_TICK_CPU_ACCOUNTING is not set -# CONFIG_IRQ_TIME_ACCOUNTING is not set - -# -# RCU Subsystem -# -CONFIG_TINY_RCU=y -# CONFIG_RCU_STALL_COMMON is not set - -# -# CPU Core family selection -# -# CONFIG_ARCH_MULTI_V4 is not set -# CONFIG_ARCH_MULTI_V4T is not set -CONFIG_ARCH_MULTI_V5=y -CONFIG_ARCH_MULTI_V4_V5=y -# CONFIG_ARCH_MULTI_V7 is not set -CONFIG_ARCH_MULTI_CPU_AUTO=y -CONFIG_ARCH_MVEBU=y -CONFIG_MACH_MVEBU_ANY=y -CONFIG_MACH_KIRKWOOD=y -CONFIG_MACH_NETXBIG=y -# CONFIG_MACH_ASM9260 is not set -# CONFIG_ARCH_INTEGRATOR is not set - -# -# MX21 platforms: -# -# CONFIG_MACH_MX21ADS is not set - -# -# MX27 platforms: -# -# CONFIG_MACH_MX27ADS is not set -# CONFIG_MACH_MX27_3DS is not set -# CONFIG_MACH_IMX27_VISSTRIM_M10 is not set -# CONFIG_MACH_PCA100 is not set -# CONFIG_MACH_IMX27_DT is not set - -# -# Device tree only -# -# CONFIG_SOC_IMX25 is not set -# CONFIG_ARCH_MXS is not set -# CONFIG_ARCH_NOMADIK is not set -# CONFIG_ARCH_NSPIRE is not set -# CONFIG_ARCH_U300 is not set -# CONFIG_ARCH_WM8505 is not set -CONFIG_PLAT_ORION=y - -# -# Processor Type -# -CONFIG_CPU_FEROCEON=y -# CONFIG_CPU_FEROCEON_OLD_ID is not set -CONFIG_CPU_32v5=y -CONFIG_CPU_ABRT_EV5T=y -CONFIG_CPU_PABRT_LEGACY=y -CONFIG_CPU_CACHE_VIVT=y -CONFIG_CPU_COPY_FEROCEON=y -CONFIG_CPU_TLB_FEROCEON=y -CONFIG_CPU_USE_DOMAINS=y - -# -# Processor Features -# -# CONFIG_CPU_DCACHE_DISABLE is not set -CONFIG_NEED_KUSER_HELPERS=y -CONFIG_CACHE_FEROCEON_L2=y -# CONFIG_CACHE_FEROCEON_L2_WRITETHROUGH is not set -# CONFIG_CACHE_L2X0 is not set -CONFIG_ARM_L1_CACHE_SHIFT=5 - -# -# Bus support -# -# CONFIG_PCI_DOMAINS_GENERIC is not set - -# -# PCI host controller drivers -# -# CONFIG_PCI_MVEBU is not set - -# -# Kernel Features -# -CONFIG_ARCH_NR_GPIO=0 -CONFIG_HZ_FIXED=0 -# CONFIG_HZ_100 is not set -# CONFIG_HZ_200 is not set -# CONFIG_HZ_250 is not set -CONFIG_HZ_300=y -# CONFIG_HZ_500 is not set -# CONFIG_HZ_1000 is not set -CONFIG_HZ=300 -# CONFIG_OABI_COMPAT is not set -CONFIG_SPLIT_PTLOCK_CPUS=999999 -CONFIG_NEED_PER_CPU_KM=y -CONFIG_FORCE_MAX_ZONEORDER=11 -CONFIG_UACCESS_WITH_MEMCPY=y - -# -# Boot options -# -CONFIG_ARM_ATAG_DTB_COMPAT=y -CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_FROM_BOOTLOADER=y -# CONFIG_ARM_ATAG_DTB_COMPAT_CMDLINE_EXTEND is not set -CONFIG_CMDLINE="console=ttyAM0,115200 root=/dev/sda1 rootdelay=20" - -# -# CPU frequency scaling drivers -# -CONFIG_ARM_KIRKWOOD_CPUFREQ=y - -# -# ARM CPU Idle Drivers -# -# CONFIG_ARM_KIRKWOOD_CPUIDLE is not set -# CONFIG_ARM_MVEBU_V7_CPUIDLE is not set -# CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED is not set - -# -# Bus devices -# -CONFIG_IMX_WEIM=y -CONFIG_MVEBU_MBUS=y - -# -# Controllers with non-SFF native interface -# -CONFIG_AHCI_MVEBU=m - -# -# Distributed Switch Architecture drivers -# -# CONFIG_VORTEX is not set -CONFIG_MACB=m -CONFIG_MV643XX_ETH=m -CONFIG_MVNETA=m - -# -# ISDN feature submodules -# -# CONFIG_ISDN_DRV_LOOP is not set - -# -# Input device support -# -CONFIG_INPUT_MATRIXKMAP=m - -# -# Input Device Drivers -# -CONFIG_KEYBOARD_SAMSUNG=m - -# -# Other I2C/SMBus bus drivers -# -# CONFIG_I2C_SLAVE is not set - -# -# PPS support -# -CONFIG_PPS=m - -# -# PTP clock support -# -CONFIG_PTP_1588_CLOCK=m - -# -# Pin controllers -# -# CONFIG_PINCTRL_SINGLE is not set -CONFIG_PINCTRL_MVEBU=y -CONFIG_PINCTRL_KIRKWOOD=y - -# -# Memory mapped GPIO drivers -# -CONFIG_GPIO_MVEBU=y - -# -# USB GPIO expanders -# -# CONFIG_CHARGER_LP8788 is not set -# CONFIG_POWER_RESET_BRCMSTB is not set -# CONFIG_POWER_RESET_QNAP is not set - -# -# Native drivers -# -CONFIG_KIRKWOOD_THERMAL=m -CONFIG_ARMADA_THERMAL=m - -# -# Watchdog Device Drivers -# -CONFIG_ORION_WATCHDOG=m - -# -# Multifunction device drivers -# -# CONFIG_MFD_ATMEL_HLCDC is not set -# CONFIG_ABX500_CORE is not set - -# -# STMicroelectronics STMPE Interface Drivers -# -CONFIG_MFD_VX855=m -CONFIG_REGULATOR_88PM8607=m -CONFIG_REGULATOR_GPIO=m -CONFIG_REGULATOR_LP872X=m -CONFIG_REGULATOR_LP8788=m -CONFIG_REGULATOR_TWL4030=m - -# -# Multimedia core support -# -CONFIG_VIDEOBUF2_DMA_SG=m - -# -# Media digital TV PCI Adapters -# -CONFIG_VIDEO_CAFE_CCIC=m - -# -# Camera sensor devices -# -CONFIG_VIDEO_OV7670=m - -# -# I2C encoder or helper chips -# -CONFIG_DRM_I2C_CH7006=m -CONFIG_DRM_I2C_SIL164=m -CONFIG_DRM_I2C_NXP_TDA998X=m -CONFIG_DRM_EXYNOS_FIMD=y -CONFIG_DRM_EXYNOS_DPI=y -CONFIG_DRM_EXYNOS_DSI=y -CONFIG_DRM_EXYNOS_FIMC=y -CONFIG_DRM_EXYNOS_ROTATOR=y - -# -# Display Panels -# -CONFIG_DRM_PANEL_SIMPLE=m -CONFIG_DRM_PANEL_S6E8AA0=m -CONFIG_DRM_IMX=m -# CONFIG_DRM_IMX_FB_HELPER is not set -CONFIG_DRM_IMX_PARALLEL_DISPLAY=m -CONFIG_DRM_IMX_TVE=m -CONFIG_DRM_IMX_LDB=m -CONFIG_DRM_IMX_IPUV3=m -CONFIG_DRM_IMX_HDMI=m - -# -# Frame buffer Devices -# -CONFIG_FB_MODE_HELPERS=y - -# -# Frame buffer hardware drivers -# -CONFIG_FB_IMX=m -CONFIG_FB_MX3=m -CONFIG_LCD_PLATFORM=m - -# -# Console display driver support -# -CONFIG_SND_ES1968_INPUT=y -CONFIG_SND_LX6464ES=m -CONFIG_SND_MAESTRO3_INPUT=y - -# -# SoC Audio support for Freescale i.MX boards: -# -CONFIG_SND_KIRKWOOD_SOC=m -CONFIG_SND_KIRKWOOD_SOC_ARMADA370_DB=m - -# -# USB Host Controller Drivers -# -CONFIG_USB_XHCI_MVEBU=m -CONFIG_USB_EHCI_MXC=m -CONFIG_USB_EHCI_HCD_ORION=y -CONFIG_USB_IMX21_HCD=m - -# -# Platform Glue Layer -# -CONFIG_MUSB_PIO_ONLY=y - -# -# MMC/SD/SDIO Host Controller Drivers -# -CONFIG_MMC_RICOH_MMC=y -CONFIG_MMC_MVSDIO=m - -# -# LED drivers -# -CONFIG_LEDS_NS2=m -CONFIG_LEDS_NETXBIG=m - -# -# on-CPU RTC drivers -# -CONFIG_RTC_DRV_MV=m -CONFIG_RTC_DRV_ARMADA38X=m - -# -# DMA Devices -# -CONFIG_ASYNC_TX_ENABLE_CHANNEL_SWITCH=y -CONFIG_DW_DMAC_CORE=m -CONFIG_DW_DMAC_PCI=m -CONFIG_MV_XOR=y -CONFIG_IMX_SDMA=m -CONFIG_IMX_DMA=m - -# -# DMA Clients -# -CONFIG_DMA_ENGINE_RAID=y -CONFIG_UIO_AEC=m -CONFIG_UIO_SERCOS3=m -CONFIG_UIO_PCI_GENERIC=m -CONFIG_UIO_MF624=m - -# -# Common Clock Framework -# -CONFIG_COMMON_CLK_WM831X=m -CONFIG_COMMON_CLK_MAX77686=m -CONFIG_MVEBU_CLK_COMMON=y -CONFIG_KIRKWOOD_CLK=y - -# -# Clock Source drivers -# -CONFIG_ORION_TIMER=y -# CONFIG_SH_TIMER_TMU is not set - -# -# DEVFREQ Drivers -# -CONFIG_MVEBU_DEVBUS=y - -# -# Analog to digital converters -# -CONFIG_LP8788_ADC=m -CONFIG_TWL6030_GPADC=m - -# -# Temperature sensors -# -CONFIG_PWM_FSL_FTM=m -CONFIG_PWM_IMX=m -CONFIG_PWM_LP3943=m -CONFIG_PWM_PCA9685=m -CONFIG_PWM_TWL=m -CONFIG_PWM_TWL_LED=m -CONFIG_ORION_IRQCHIP=y - -# -# PHY Subsystem -# -CONFIG_PHY_MVEBU_SATA=y -# CONFIG_PHY_EXYNOS4210_USB2 is not set -# CONFIG_PHY_EXYNOS4X12_USB2 is not set -# CONFIG_PHY_EXYNOS5250_USB2 is not set - -# -# Compile-time checks and compiler options -# -CONFIG_FRAME_POINTER=y - -# -# Lock Debugging (spinlocks, mutexes, etc...) -# -# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set -# CONFIG_DEBUG_LOCK_ALLOC is not set -# CONFIG_PROVE_LOCKING is not set -# CONFIG_LOCK_STAT is not set - -# -# RCU Debugging -# -CONFIG_FUNCTION_GRAPH_TRACER=y - -# -# Runtime Testing -# -CONFIG_OLD_MCOUNT=y -CONFIG_DEBUG_LL_INCLUDE="mach/debug-macro.S" -# CONFIG_DEBUG_UART_BCM63XX is not set - -# -# Random Number Generation -# -CONFIG_CRYPTO_DEV_MV_CESA=m - -# -# Library routines -# -CONFIG_HAS_IOPORT_MAP=y -CONFIG_GENERIC_ATOMIC64=y diff --git a/kernel/config-armv7hl-default b/kernel/config-armv7hl-default deleted file mode 100644 index 9989a17..0000000 --- a/kernel/config-armv7hl-default +++ /dev/null @@ -1,1271 +0,0 @@ -CONFIG_NO_IOPORT_MAP=y -CONFIG_ARCH_HAS_BANDGAP=y - -# -# IRQ subsystem -# -CONFIG_IRQ_DOMAIN_HIERARCHY=y -CONFIG_GENERIC_TIME_VSYSCALL=y -CONFIG_ARCH_HAS_TICK_BROADCAST=y -CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y - -# -# Timers subsystem -# -# CONFIG_NO_HZ_IDLE is not set -CONFIG_NO_HZ_FULL=y -# CONFIG_NO_HZ_FULL_ALL is not set -# CONFIG_NO_HZ_FULL_SYSIDLE is not set - -# -# RCU Subsystem -# -CONFIG_TREE_RCU=y -CONFIG_RCU_STALL_COMMON=y -CONFIG_RCU_USER_QS=y -CONFIG_RCU_FANOUT=32 -CONFIG_RCU_FANOUT_LEAF=16 -# CONFIG_RCU_FANOUT_EXACT is not set -# CONFIG_RCU_FAST_NO_HZ is not set -CONFIG_RCU_NOCB_CPU=y -CONFIG_RCU_NOCB_CPU_NONE=y -# CONFIG_RCU_NOCB_CPU_ZERO is not set -# CONFIG_RCU_NOCB_CPU_ALL is not set -CONFIG_LOG_CPU_MAX_BUF_SHIFT=12 - -# -# IO Schedulers -# -CONFIG_PADATA=y -CONFIG_MUTEX_SPIN_ON_OWNER=y -CONFIG_RWSEM_SPIN_ON_OWNER=y -CONFIG_LOCK_SPIN_ON_OWNER=y - -# -# CPU Core family selection -# -CONFIG_ARCH_MULTI_V7=y -CONFIG_ARCH_MULTI_V6_V7=y -# CONFIG_ARCH_MULTI_CPU_AUTO is not set -CONFIG_ARCH_VIRT=y -# CONFIG_ARCH_MVEBU is not set -# CONFIG_ARCH_ALPINE is not set -CONFIG_ARCH_BCM=y - -# -# IPROC architected SoCs -# -CONFIG_ARCH_BCM_IPROC=y -# CONFIG_ARCH_BCM_CYGNUS is not set -CONFIG_ARCH_BCM_5301X=y - -# -# KONA architected SoCs -# -# CONFIG_ARCH_BCM_281XX is not set -# CONFIG_ARCH_BCM_21664 is not set - -# -# Other Architectures -# -CONFIG_ARCH_BCM_63XX=y -CONFIG_ARCH_BRCMSTB=y -CONFIG_ARCH_BERLIN=y -# CONFIG_MACH_BERLIN_BG2 is not set -# CONFIG_MACH_BERLIN_BG2CD is not set -# CONFIG_MACH_BERLIN_BG2Q is not set -# CONFIG_ARCH_DIGICOLOR is not set -CONFIG_ARCH_HIGHBANK=y -CONFIG_ARCH_HISI=y - -# -# Hisilicon platform type -# -CONFIG_ARCH_HI3xxx=y -# CONFIG_ARCH_HIP01 is not set -CONFIG_ARCH_HIP04=y -CONFIG_ARCH_HIX5HD2=y -CONFIG_ARCH_KEYSTONE=y -CONFIG_ARCH_MESON=y -CONFIG_MACH_MESON6=y -CONFIG_MACH_MESON8=y - -# -# Device tree only -# -# CONFIG_SOC_IMX50 is not set -# CONFIG_SOC_IMX51 is not set -# CONFIG_SOC_IMX53 is not set -CONFIG_SOC_IMX6=y -CONFIG_SOC_IMX6Q=y -CONFIG_SOC_IMX6SL=y -CONFIG_SOC_IMX6SX=y -CONFIG_SOC_VF610=y -CONFIG_VF_USE_ARM_GLOBAL_TIMER=y -# CONFIG_VF_USE_PIT_TIMER is not set -# CONFIG_SOC_LS1021A is not set -CONFIG_ARCH_MEDIATEK=y -CONFIG_MACH_MT6589=y -CONFIG_MACH_MT6592=y -CONFIG_MACH_MT8127=y -CONFIG_MACH_MT8135=y -CONFIG_ARCH_OMAP=y - -# -# OMAP Feature Selections -# -# CONFIG_POWER_AVS_OMAP is not set -# CONFIG_OMAP_RESET_CLOCKS is not set -CONFIG_OMAP_MUX=y -# CONFIG_OMAP_MUX_DEBUG is not set -CONFIG_OMAP_MUX_WARNINGS=y -CONFIG_OMAP_32K_TIMER=y -# CONFIG_OMAP3_L2_AUX_SECURE_SAVE_RESTORE is not set -CONFIG_OMAP_DM_TIMER=y -CONFIG_OMAP_PM_NOOP=y -CONFIG_MACH_OMAP_GENERIC=y - -# -# TI OMAP/AM/DM/DRA Family -# -CONFIG_ARCH_OMAP3=y -CONFIG_ARCH_OMAP4=y -CONFIG_SOC_OMAP5=y -CONFIG_SOC_AM33XX=y -CONFIG_SOC_AM43XX=y -CONFIG_SOC_DRA7XX=y -CONFIG_ARCH_OMAP2PLUS=y - -# -# TI OMAP2/3/4 Specific Features -# -CONFIG_ARCH_OMAP2PLUS_TYPICAL=y -CONFIG_SOC_HAS_OMAP2_SDRC=y -CONFIG_SOC_HAS_REALTIME_COUNTER=y -CONFIG_SOC_OMAP3430=y -CONFIG_SOC_TI81XX=y -CONFIG_OMAP_PACKAGE_CBB=y -CONFIG_OMAP_PACKAGE_CUS=y - -# -# OMAP Legacy Platform Data Board Type -# -CONFIG_MACH_OMAP3_BEAGLE=y -CONFIG_MACH_OMAP_LDP=y -CONFIG_MACH_OMAP3530_LV_SOM=y -CONFIG_MACH_OMAP3_TORPEDO=y -CONFIG_MACH_OVERO=y -CONFIG_MACH_OMAP3517EVM=y -CONFIG_MACH_OMAP3_PANDORA=y -CONFIG_MACH_NOKIA_RX51=y -CONFIG_MACH_CM_T35=y -CONFIG_MACH_CM_T3730=y -# CONFIG_OMAP3_SDRC_AC_TIMING is not set -CONFIG_ARCH_QCOM=y -# CONFIG_ARCH_MSM8X60 is not set -# CONFIG_ARCH_MSM8960 is not set -# CONFIG_ARCH_MSM8974 is not set -CONFIG_ARCH_ROCKCHIP=y -# CONFIG_ARCH_SOCFPGA is not set -CONFIG_ARCH_STI=y -CONFIG_SOC_STIH415=y -CONFIG_SOC_STIH416=y -CONFIG_SOC_STIH407=y -# CONFIG_ARCH_S5PV210 is not set -CONFIG_ARCH_EXYNOS=y -# CONFIG_ARCH_EXYNOS3 is not set -CONFIG_ARCH_EXYNOS4=y -CONFIG_ARCH_EXYNOS5=y - -# -# EXYNOS SoCs -# -CONFIG_CPU_EXYNOS4210=y -CONFIG_SOC_EXYNOS4212=y -CONFIG_SOC_EXYNOS4412=y -CONFIG_SOC_EXYNOS4415=y -CONFIG_SOC_EXYNOS5250=y -CONFIG_SOC_EXYNOS5260=y -CONFIG_SOC_EXYNOS5410=y -CONFIG_SOC_EXYNOS5420=y -CONFIG_SOC_EXYNOS5440=y -CONFIG_SOC_EXYNOS5800=y -# CONFIG_EXYNOS5420_MCPM is not set -CONFIG_EXYNOS_CPU_SUSPEND=y -CONFIG_PLAT_SAMSUNG=y - -# -# Boot options -# -CONFIG_S5P_DEV_MFC=y - -# -# Power management -# -# CONFIG_SAMSUNG_PM_CHECK is not set -CONFIG_ARCH_SHMOBILE=y -CONFIG_PM_RCAR=y -CONFIG_ARCH_RCAR_GEN1=y -CONFIG_ARCH_SHMOBILE_MULTI=y -# CONFIG_ARCH_EMEV2 is not set -# CONFIG_ARCH_R7S72100 is not set -# CONFIG_ARCH_R8A73A4 is not set -# CONFIG_ARCH_R8A7740 is not set -# CONFIG_ARCH_R8A7778 is not set -CONFIG_ARCH_R8A7779=y -# CONFIG_ARCH_R8A7790 is not set -# CONFIG_ARCH_R8A7791 is not set -# CONFIG_ARCH_R8A7794 is not set -# CONFIG_ARCH_SH73A0 is not set - -# -# Renesas ARM SoCs Board Type -# -CONFIG_MACH_MARZEN=y - -# -# Timer and clock configuration -# -CONFIG_SHMOBILE_TIMER_HZ=128 -CONFIG_ARCH_SUNXI=y -CONFIG_MACH_SUN4I=y -CONFIG_MACH_SUN5I=y -CONFIG_MACH_SUN6I=y -CONFIG_MACH_SUN7I=y -CONFIG_MACH_SUN8I=y -CONFIG_MACH_SUN9I=y -CONFIG_ARCH_SIRF=y - -# -# CSR SiRF atlas6/primaII/Atlas7 Specific Features -# -CONFIG_ARCH_ATLAS6=y -CONFIG_ARCH_ATLAS7=y -CONFIG_ARCH_PRIMA2=y -CONFIG_SIRF_IRQ=y -CONFIG_ARCH_TEGRA=y -CONFIG_ARCH_TEGRA_2x_SOC=y -CONFIG_ARCH_TEGRA_3x_SOC=y -CONFIG_ARCH_TEGRA_114_SOC=y -CONFIG_ARCH_TEGRA_124_SOC=y -CONFIG_ARCH_U8500=y -CONFIG_UX500_SOC_DB8500=y -CONFIG_MACH_MOP500=y -# CONFIG_MACH_HREFV60 is not set -# CONFIG_MACH_SNOWBALL is not set -CONFIG_UX500_AUTO_PLATFORM=y -CONFIG_UX500_DEBUG_UART=2 -CONFIG_ARCH_VEXPRESS=y -CONFIG_ARCH_VEXPRESS_CORTEX_A5_A9_ERRATA=y -CONFIG_ARCH_VEXPRESS_DCSCB=y -CONFIG_ARCH_VEXPRESS_SPC=y -CONFIG_ARCH_VEXPRESS_TC2_PM=y -CONFIG_ARCH_VT8500=y -CONFIG_ARCH_WM8850=y -CONFIG_ARCH_ZYNQ=y -CONFIG_PLAT_VERSATILE=y -CONFIG_ARM_TIMER_SP804=y -CONFIG_ARCH_SUPPORTS_FIRMWARE=y -CONFIG_ARCH_SUPPORTS_TRUSTED_FOUNDATIONS=y - -# -# Firmware options -# -CONFIG_TRUSTED_FOUNDATIONS=y - -# -# Processor Type -# -CONFIG_CPU_V7=y -CONFIG_CPU_32v6K=y -CONFIG_CPU_32v7=y -CONFIG_CPU_ABRT_EV7=y -CONFIG_CPU_PABRT_V7=y -CONFIG_CPU_CACHE_V7=y -CONFIG_CPU_CACHE_VIPT=y -CONFIG_CPU_COPY_V6=y -CONFIG_CPU_TLB_V7=y -CONFIG_CPU_HAS_ASID=y - -# -# Processor Features -# -# CONFIG_ARM_LPAE is not set -# CONFIG_ARM_THUMBEE is not set -CONFIG_ARM_VIRT_EXT=y -CONFIG_SWP_EMULATE=y -# CONFIG_CPU_BPREDICT_DISABLE is not set -CONFIG_VDSO=y -CONFIG_OUTER_CACHE_SYNC=y -CONFIG_MIGHT_HAVE_CACHE_L2X0=y -CONFIG_CACHE_L2X0=y -CONFIG_PL310_ERRATA_588369=y -CONFIG_PL310_ERRATA_727915=y -CONFIG_PL310_ERRATA_753970=y -CONFIG_PL310_ERRATA_769419=y -CONFIG_ARM_L1_CACHE_SHIFT_6=y -CONFIG_ARM_L1_CACHE_SHIFT=6 -CONFIG_ARM_DMA_MEM_BUFFERABLE=y -# CONFIG_ARM_ERRATA_430973 is not set -CONFIG_ARM_ERRATA_643719=y -CONFIG_ARM_ERRATA_720789=y -CONFIG_ARM_ERRATA_754322=y -CONFIG_ARM_ERRATA_754327=y -CONFIG_ARM_ERRATA_764369=y -CONFIG_ARM_ERRATA_775420=y -CONFIG_ARM_ERRATA_798181=y -# CONFIG_ARM_ERRATA_773022 is not set -CONFIG_ICST=y -CONFIG_TI_PRIV_EDMA=y - -# -# Bus support -# -CONFIG_PCI_DOMAINS=y -CONFIG_PCI_DOMAINS_GENERIC=y - -# -# PCI host controller drivers -# -CONFIG_PCI_EXYNOS=y -CONFIG_PCI_IMX6=y -CONFIG_PCI_TEGRA=y -CONFIG_PCI_RCAR_GEN2=y -CONFIG_PCI_RCAR_GEN2_PCIE=y -CONFIG_PCI_KEYSTONE=y -CONFIG_PCIE_XILINX=y -CONFIG_PCIE_IPROC_PLATFORM=m - -# -# Kernel Features -# -CONFIG_SMP=y -CONFIG_SMP_ON_UP=y -CONFIG_ARM_CPU_TOPOLOGY=y -CONFIG_SCHED_MC=y -CONFIG_SCHED_SMT=y -CONFIG_MCPM=y -CONFIG_MCPM_QUAD_CLUSTER=y -CONFIG_BIG_LITTLE=y -# CONFIG_BL_SWITCHER is not set -CONFIG_NR_CPUS=4 -CONFIG_HOTPLUG_CPU=y -CONFIG_ARM_PSCI=y -CONFIG_ARCH_NR_GPIO=1024 -CONFIG_HZ_FIXED=200 -CONFIG_HZ=200 -CONFIG_THUMB2_KERNEL=y -CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11=y -CONFIG_ARM_ASM_UNIFIED=y -CONFIG_ARCH_HAS_HOLES_MEMORYMODEL=y -CONFIG_SPLIT_PTLOCK_CPUS=4 -CONFIG_FORCE_MAX_ZONEORDER=12 -# CONFIG_UACCESS_WITH_MEMCPY is not set -# CONFIG_XEN is not set - -# -# Boot options -# -# CONFIG_ARM_ATAG_DTB_COMPAT is not set -CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M" - -# -# CPU frequency scaling drivers -# -CONFIG_ARM_BIG_LITTLE_CPUFREQ=m -# CONFIG_ARM_DT_BL_CPUFREQ is not set -# CONFIG_ARM_VEXPRESS_SPC_CPUFREQ is not set -CONFIG_ARM_EXYNOS_CPUFREQ=y -CONFIG_ARM_EXYNOS4210_CPUFREQ=y -CONFIG_ARM_EXYNOS4X12_CPUFREQ=y -CONFIG_ARM_EXYNOS5250_CPUFREQ=y -# CONFIG_ARM_EXYNOS_CPU_FREQ_BOOST_SW is not set -CONFIG_ARM_EXYNOS5440_CPUFREQ=y -CONFIG_ARM_HIGHBANK_CPUFREQ=m -CONFIG_ARM_HISI_ACPU_CPUFREQ=m -# CONFIG_ARM_KIRKWOOD_CPUFREQ is not set -CONFIG_ARM_OMAP2PLUS_CPUFREQ=y -CONFIG_ARM_TEGRA_CPUFREQ=y - -# -# ARM CPU Idle Drivers -# -# CONFIG_ARM_BIG_LITTLE_CPUIDLE is not set -# CONFIG_ARM_HIGHBANK_CPUIDLE is not set -# CONFIG_ARM_ZYNQ_CPUIDLE is not set -# CONFIG_ARM_U8500_CPUIDLE is not set -# CONFIG_ARM_EXYNOS_CPUIDLE is not set -CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED=y - -# -# At least one emulation must be selected -# -CONFIG_VFPv3=y -CONFIG_NEON=y -CONFIG_KERNEL_MODE_NEON=y - -# -# Power management options -# -CONFIG_PM_SLEEP_SMP=y -CONFIG_PM_GENERIC_DOMAINS=y -CONFIG_PM_GENERIC_DOMAINS_SLEEP=y -CONFIG_PM_GENERIC_DOMAINS_OF=y - -# -# Classification -# -CONFIG_RPS=y -CONFIG_RFS_ACCEL=y -CONFIG_XPS=y -CONFIG_NET_FLOW_LIMIT=y - -# -# Device Drivers -# -CONFIG_ARM_AMBA=y -CONFIG_TEGRA_AHB=y - -# -# Generic Driver Options -# -CONFIG_REGMAP_SPMI=m - -# -# Bus devices -# -CONFIG_ARM_CCI400_PORT_CTRL=y -# CONFIG_IMX_WEIM is not set -CONFIG_OMAP_INTERCONNECT=y -# CONFIG_OMAP_OCP2SCP is not set -CONFIG_SIMPLE_PM_BUS=y - -# -# Misc devices -# -# CONFIG_ARM_CHARLCD is not set - -# -# EEPROM support -# -# CONFIG_EEPROM_SUNXI_SID is not set - -# -# Controllers with non-SFF native interface -# -CONFIG_AHCI_ST=m -CONFIG_AHCI_SUNXI=m -CONFIG_AHCI_TEGRA=m - -# -# SATA SFF controllers with BMDMA -# -CONFIG_SATA_HIGHBANK=m -CONFIG_SATA_RCAR=m - -# -# Distributed Switch Architecture drivers -# -CONFIG_NET_VENDOR_ALLWINNER=y -CONFIG_SUN4I_EMAC=m -# CONFIG_MACB is not set -CONFIG_BGMAC=m -CONFIG_NET_CALXEDA_XGMAC=m -CONFIG_PXA168_ETH=m -CONFIG_SH_ETH=m -CONFIG_TI_DAVINCI_EMAC=m -CONFIG_TI_DAVINCI_MDIO=m -CONFIG_TI_DAVINCI_CPDMA=m -CONFIG_TI_CPSW_PHY_SEL=y -CONFIG_TI_CPSW=m -# CONFIG_TI_CPTS is not set -CONFIG_NET_VENDOR_XILINX=y -# CONFIG_XILINX_EMACLITE is not set - -# -# MII PHY device drivers -# -CONFIG_MDIO_SUN4I=m - -# -# Input device support -# -CONFIG_INPUT_MATRIXKMAP=y - -# -# Input Device Drivers -# -# CONFIG_KEYBOARD_NOMADIK is not set -CONFIG_KEYBOARD_TEGRA=m -CONFIG_KEYBOARD_SAMSUNG=y -# CONFIG_KEYBOARD_ST_KEYSCAN is not set -CONFIG_KEYBOARD_SH_KEYSC=m -CONFIG_KEYBOARD_SUN4I_LRADC=m -# CONFIG_INPUT_AB8500_PONKEY is not set -CONFIG_INPUT_PM8941_PWRKEY=m -CONFIG_INPUT_SIRFSOC_ONKEY=y - -# -# Hardware I/O ports -# -# CONFIG_SERIO_AMBAKMI is not set -CONFIG_SERIO_SUN4I_PS2=m - -# -# Serial drivers -# -CONFIG_SERIAL_8250_OMAP=m -CONFIG_SERIAL_8250_MT6577=y - -# -# Non-8250 serial port support -# -CONFIG_SERIAL_AMBA_PL010=m -CONFIG_SERIAL_AMBA_PL011=m -CONFIG_SERIAL_MESON=m -CONFIG_SERIAL_SAMSUNG=m -CONFIG_SERIAL_SAMSUNG_UARTS_4=y -CONFIG_SERIAL_SAMSUNG_UARTS=4 -CONFIG_SERIAL_SIRFSOC=m -# CONFIG_SERIAL_UARTLITE is not set -CONFIG_SERIAL_SH_SCI=m -CONFIG_SERIAL_SH_SCI_NR_UARTS=2 -# CONFIG_SERIAL_MSM is not set -# CONFIG_SERIAL_VT8500 is not set -CONFIG_SERIAL_OMAP=m -CONFIG_HW_RANDOM_IPROC_RNG200=m -CONFIG_HW_RANDOM_OMAP=y -CONFIG_HW_RANDOM_OMAP3_ROM=y -CONFIG_HW_RANDOM_EXYNOS=y -CONFIG_HW_RANDOM_MSM=m - -# -# PC SMBus host controller drivers -# -CONFIG_I2C_HIX5HD2=m - -# -# I2C system bus drivers (mostly embedded / system-on-chip) -# -CONFIG_I2C_BCM_IPROC=m -# CONFIG_I2C_CADENCE is not set -CONFIG_I2C_DAVINCI=m -CONFIG_I2C_EXYNOS5=m -CONFIG_I2C_MESON=m -CONFIG_I2C_NOMADIK=y -CONFIG_I2C_OMAP=y -CONFIG_I2C_QUP=m -CONFIG_I2C_RIIC=m -CONFIG_I2C_S3C2410=m -CONFIG_I2C_SH_MOBILE=m -CONFIG_I2C_SIRF=m -CONFIG_I2C_ST=m -CONFIG_I2C_SUN6I_P2WI=m -CONFIG_I2C_TEGRA=m -CONFIG_I2C_VERSATILE=m -CONFIG_I2C_WMT=m -CONFIG_I2C_RCAR=m - -# -# Other I2C/SMBus bus drivers -# -CONFIG_I2C_SLAVE=y -# CONFIG_I2C_SLAVE_EEPROM is not set -CONFIG_SPMI_MSM_PMIC_ARB=m - -# -# HSI controllers -# -CONFIG_OMAP_SSI=m -CONFIG_OMAP_SSI_PORT=m - -# -# PPS support -# -CONFIG_PPS=y - -# -# PTP clock support -# -CONFIG_PTP_1588_CLOCK=y - -# -# Pin controllers -# -CONFIG_PINCTRL_MESON=y -CONFIG_PINCTRL_ROCKCHIP=y -CONFIG_PINCTRL_SINGLE=y -CONFIG_PINCTRL_SIRF=y -CONFIG_PINCTRL_ST=y -CONFIG_PINCTRL_TEGRA=y -CONFIG_PINCTRL_TEGRA20=y -CONFIG_PINCTRL_TEGRA30=y -CONFIG_PINCTRL_TEGRA114=y -CONFIG_PINCTRL_TEGRA124=y -CONFIG_PINCTRL_TEGRA_XUSB=y -CONFIG_PINCTRL_ZYNQ=y -CONFIG_PINCTRL_IMX=y -CONFIG_PINCTRL_IMX6Q=y -CONFIG_PINCTRL_IMX6SL=y -CONFIG_PINCTRL_IMX6SX=y -CONFIG_PINCTRL_VF610=y -CONFIG_PINCTRL_ABX500=y -CONFIG_PINCTRL_AB8500=y -CONFIG_PINCTRL_AB8540=y -CONFIG_PINCTRL_AB9540=y -CONFIG_PINCTRL_AB8505=y -CONFIG_PINCTRL_NOMADIK=y -CONFIG_PINCTRL_DB8500=y -CONFIG_PINCTRL_DB8540=y -CONFIG_PINCTRL_MSM=y -CONFIG_PINCTRL_APQ8064=y -CONFIG_PINCTRL_APQ8084=y -CONFIG_PINCTRL_IPQ8064=y -CONFIG_PINCTRL_MSM8960=m -CONFIG_PINCTRL_MSM8X74=m -CONFIG_PINCTRL_MSM8916=m -CONFIG_PINCTRL_QCOM_SPMI_PMIC=m -CONFIG_PINCTRL_SAMSUNG=y -CONFIG_PINCTRL_EXYNOS=y -CONFIG_PINCTRL_EXYNOS5440=y -CONFIG_PINCTRL_SH_PFC=y -CONFIG_GPIO_SH_PFC=y -CONFIG_PINCTRL_PFC_R8A7779=y -CONFIG_PINCTRL_SUNXI_COMMON=y -CONFIG_PINCTRL_SUN4I_A10=y -CONFIG_PINCTRL_SUN5I_A10S=y -CONFIG_PINCTRL_SUN5I_A13=y -CONFIG_PINCTRL_SUN6I_A31=y -CONFIG_PINCTRL_SUN6I_A31S=y -CONFIG_PINCTRL_SUN6I_A31_R=y -CONFIG_PINCTRL_SUN7I_A20=y -CONFIG_PINCTRL_SUN8I_A23=y -CONFIG_PINCTRL_SUN8I_A23_R=y -CONFIG_PINCTRL_SUN9I_A80=y -# CONFIG_PINCTRL_WM8850 is not set -CONFIG_PINCTRL_MTK_COMMON=y -CONFIG_PINCTRL_MT8135=y - -# -# Memory mapped GPIO drivers -# -# CONFIG_GPIO_DAVINCI is not set -CONFIG_GPIO_MSM_V2=m -CONFIG_GPIO_OMAP=y -CONFIG_GPIO_PL061=y -# CONFIG_GPIO_RCAR is not set -CONFIG_GPIO_VF610=y -# CONFIG_GPIO_XILINX is not set -CONFIG_GPIO_ZYNQ=m - -# -# USB GPIO expanders -# -CONFIG_POWER_RESET_BRCMSTB=y -CONFIG_POWER_RESET_HISI=y -CONFIG_POWER_RESET_IMX=y -# CONFIG_POWER_RESET_MSM is not set -CONFIG_POWER_RESET_ST=y -CONFIG_POWER_RESET_KEYSTONE=y -# CONFIG_ROCKCHIP_IODOMAIN is not set - -# -# Native drivers -# -CONFIG_ROCKCHIP_THERMAL=m -CONFIG_RCAR_THERMAL=y -CONFIG_DB8500_THERMAL=y -CONFIG_TEGRA_SOCTHERM=m - -# -# Texas Instruments thermal drivers -# -# CONFIG_TI_SOC_THERMAL is not set - -# -# Samsung thermal drivers -# -CONFIG_EXYNOS_THERMAL=m - -# -# STMicroelectronics thermal drivers -# -CONFIG_ST_THERMAL=m -CONFIG_ST_THERMAL_SYSCFG=m -CONFIG_ST_THERMAL_MEMMAP=m - -# -# Watchdog Device Drivers -# -CONFIG_ARM_SP805_WATCHDOG=m -CONFIG_S3C2410_WATCHDOG=m -CONFIG_OMAP_WATCHDOG=m -CONFIG_DAVINCI_WATCHDOG=m -CONFIG_SUNXI_WATCHDOG=m -CONFIG_UX500_WATCHDOG=y -CONFIG_SIRFSOC_WATCHDOG=y -CONFIG_TEGRA_WATCHDOG=m -CONFIG_QCOM_WDT=m -CONFIG_MESON_WATCHDOG=m -CONFIG_MEDIATEK_WATCHDOG=m -CONFIG_BCM47XX_WDT=m - -# -# Multifunction device drivers -# -CONFIG_MFD_ATMEL_HLCDC=m -CONFIG_MFD_QCOM_RPM=m -CONFIG_MFD_SPMI_PMIC=m -CONFIG_ABX500_CORE=y -# CONFIG_AB3100_CORE is not set -CONFIG_AB8500_CORE=y -CONFIG_MFD_DB8500_PRCMU=y - -# -# STMicroelectronics STMPE Interface Drivers -# -CONFIG_MFD_SUN6I_PRCM=y -CONFIG_MFD_OMAP_USB_HOST=y -# CONFIG_MFD_VX855 is not set -CONFIG_REGULATOR_88PM8607=y -# CONFIG_REGULATOR_AB8500 is not set -CONFIG_REGULATOR_DBX500_PRCMU=y -CONFIG_REGULATOR_DB8500_PRCMU=y -CONFIG_REGULATOR_GPIO=y -CONFIG_REGULATOR_LP872X=y -CONFIG_REGULATOR_LP8788=y -CONFIG_REGULATOR_PBIAS=m -CONFIG_REGULATOR_QCOM_RPM=m -CONFIG_REGULATOR_TI_ABB=m -CONFIG_REGULATOR_TWL4030=y - -# -# Media drivers -# -# CONFIG_IR_MESON is not set -# CONFIG_RC_ST is not set -CONFIG_IR_SUNXI=m - -# -# Media digital TV PCI Adapters -# -# CONFIG_VIDEO_CAFE_CCIC is not set -# CONFIG_VIDEO_OMAP2_VOUT is not set -# CONFIG_VIDEO_SH_VOU is not set -CONFIG_VIDEO_OMAP3=m -# CONFIG_VIDEO_OMAP3_DEBUG is not set -# CONFIG_VIDEO_RCAR_VIN is not set -# CONFIG_VIDEO_SH_MOBILE_CSI2 is not set -# CONFIG_VIDEO_SH_MOBILE_CEU is not set -# CONFIG_VIDEO_SAMSUNG_EXYNOS4_IS is not set -# CONFIG_VIDEO_SAMSUNG_S5P_TV is not set -# CONFIG_VIDEO_AM437X_VPFE is not set -CONFIG_VIDEO_SAMSUNG_S5P_G2D=m -CONFIG_VIDEO_SAMSUNG_S5P_JPEG=m -CONFIG_VIDEO_SAMSUNG_S5P_MFC=m -CONFIG_VIDEO_SAMSUNG_EXYNOS_GSC=m -CONFIG_VIDEO_RENESAS_VSP1=m -# CONFIG_VIDEO_TI_VPE is not set - -# -# Graphics support -# -CONFIG_TEGRA_HOST1X=y -CONFIG_TEGRA_HOST1X_FIREWALL=y - -# -# I2C encoder or helper chips -# -# CONFIG_DRM_I2C_CH7006 is not set -# CONFIG_DRM_I2C_SIL164 is not set -# CONFIG_DRM_I2C_NXP_TDA998X is not set -# CONFIG_DRM_EXYNOS_FIMD is not set -# CONFIG_DRM_EXYNOS_FIMC is not set -# CONFIG_DRM_EXYNOS_ROTATOR is not set -CONFIG_DRM_ROCKCHIP=m -CONFIG_ROCKCHIP_DW_HDMI=m -CONFIG_DRM_ATMEL_HLCDC=m -CONFIG_DRM_RCAR_DU=m -# CONFIG_DRM_RCAR_HDMI is not set -CONFIG_DRM_SHMOBILE=m -CONFIG_DRM_MSM=m -# CONFIG_DRM_MSM_FBDEV is not set -# CONFIG_DRM_MSM_REGISTER_LOGGING is not set -CONFIG_DRM_MSM_DSI=y -CONFIG_DRM_TEGRA=m -CONFIG_DRM_TEGRA_FBDEV=y -# CONFIG_DRM_TEGRA_DEBUG is not set -# CONFIG_DRM_TEGRA_STAGING is not set - -# -# Display Panels -# -# CONFIG_DRM_PANEL_SIMPLE is not set -# CONFIG_DRM_PANEL_S6E8AA0 is not set -# CONFIG_DRM_IMX is not set - -# -# Frame buffer Devices -# -# CONFIG_FB_MODE_HELPERS is not set - -# -# Frame buffer hardware drivers -# -# CONFIG_FB_ARMCLCD is not set -# CONFIG_FB_IMX is not set -# CONFIG_FB_VT8500 is not set -# CONFIG_FB_WM8505 is not set -# CONFIG_FB_SH_MOBILE_LCDC is not set -# CONFIG_FB_S3C is not set -# CONFIG_FB_XILINX is not set -# CONFIG_FB_DA8XX is not set -# CONFIG_FB_MX3 is not set -# CONFIG_OMAP2_DSS is not set -CONFIG_EXYNOS_VIDEO=y -# CONFIG_EXYNOS_MIPI_DSI is not set -# CONFIG_FB_SH_MOBILE_MERAM is not set -# CONFIG_LCD_PLATFORM is not set - -# -# Console display driver support -# -# CONFIG_SND_ES1968_INPUT is not set -# CONFIG_SND_MAESTRO3_INPUT is not set - -# -# HD-Audio -# -CONFIG_SND_HDA_TEGRA=m -CONFIG_SND_ARMAACI=m -# CONFIG_SND_SOC_ADI is not set -CONFIG_SND_EDMA_SOC=m -CONFIG_SND_DAVINCI_SOC_MCASP=m -CONFIG_SND_DAVINCI_SOC_GENERIC_EVM=m -CONFIG_SND_AM33XX_SOC_EVM=m - -# -# SoC Audio support for Freescale i.MX boards: -# -CONFIG_SND_SOC_LPASS_CPU=m -CONFIG_SND_SOC_LPASS_PLATFORM=m -CONFIG_SND_SOC_STORM=m -CONFIG_SND_SOC_ROCKCHIP=m -CONFIG_SND_SOC_ROCKCHIP_I2S=m -CONFIG_SND_SOC_SAMSUNG=m -CONFIG_SND_SAMSUNG_PCM=m -CONFIG_SND_SAMSUNG_SPDIF=m -CONFIG_SND_SAMSUNG_I2S=m -CONFIG_SND_SOC_SAMSUNG_SMDK_WM8994=m -CONFIG_SND_SOC_SAMSUNG_SMDK_SPDIF=m -CONFIG_SND_SOC_SMDK_WM8994_PCM=m -CONFIG_SND_SOC_SNOW=m -CONFIG_SND_SOC_ODROIDX2=m -CONFIG_SND_SOC_ARNDALE_RT5631_ALC5631=m - -# -# SoC Audio support for SuperH -# -CONFIG_SND_SOC_SH4_FSI=m -CONFIG_SND_SOC_RCAR=m -CONFIG_SND_SOC_RSRC_CARD=m -CONFIG_SND_SOC_SIRF=m -CONFIG_SND_SOC_SIRF_AUDIO=m -CONFIG_SND_SOC_SIRF_AUDIO_PORT=m -CONFIG_SND_SOC_SIRF_USP=m -CONFIG_SND_SOC_UX500=m -CONFIG_SND_SOC_UX500_PLAT_DMA=m - -# -# CODEC drivers -# -CONFIG_SND_SOC_WM_HUBS=m -CONFIG_SND_SOC_MAX98090=m -CONFIG_SND_SOC_MAX98095=m -CONFIG_SND_SOC_MAX98357A=m -CONFIG_SND_SOC_WM8994=m - -# -# USB Host Controller Drivers -# -CONFIG_USB_XHCI_RCAR=m -CONFIG_USB_EHCI_MXC=y -CONFIG_USB_EHCI_HCD_OMAP=y -CONFIG_USB_EHCI_HCD_STI=m -CONFIG_USB_EHCI_MSM=y -CONFIG_USB_EHCI_TEGRA=y -CONFIG_USB_EHCI_EXYNOS=y -CONFIG_USB_OHCI_HCD_STI=m -CONFIG_USB_OHCI_HCD_OMAP3=y -CONFIG_USB_OHCI_EXYNOS=y -CONFIG_USB_UHCI_SUPPORT_NON_PCI_HC=y -CONFIG_USB_UHCI_PLATFORM=y -CONFIG_USB_IMX21_HCD=y - -# -# Platform Glue Layer -# -CONFIG_USB_MUSB_OMAP2PLUS=m -CONFIG_USB_MUSB_AM35X=m -CONFIG_USB_MUSB_DSPS=m -CONFIG_USB_MUSB_UX500=m -CONFIG_USB_MUSB_AM335X_CHILD=m -CONFIG_USB_UX500_DMA=y -# CONFIG_USB_INVENTRA_DMA is not set -# CONFIG_USB_TI_CPPI41_DMA is not set -# CONFIG_MUSB_PIO_ONLY is not set - -# -# Platform Glue Driver Support -# -CONFIG_USB_DWC3_EXYNOS=m -CONFIG_USB_DWC3_KEYSTONE=m -CONFIG_USB_DWC3_ST=m -CONFIG_USB_DWC3_QCOM=m - -# -# USB Physical Layer drivers -# -# CONFIG_AB8500_USB is not set -CONFIG_KEYSTONE_USB_PHY=m -CONFIG_USB_MSM_OTG=m -CONFIG_USB_RCAR_PHY=m - -# -# MMC/SD/SDIO Host Controller Drivers -# -CONFIG_MMC_ARMMMCI=m -# CONFIG_MMC_RICOH_MMC is not set -CONFIG_MMC_SDHCI_TEGRA=m -CONFIG_MMC_SDHCI_S3C=m -CONFIG_MMC_SDHCI_SIRF=m -CONFIG_MMC_SDHCI_S3C_DMA=y -CONFIG_MMC_SDHCI_IPROC=m -CONFIG_MMC_SDHCI_ST=m -CONFIG_MMC_OMAP=m -CONFIG_MMC_OMAP_HS=m -CONFIG_MMC_SDHCI_MSM=m -CONFIG_MMC_TMIO_CORE=m -CONFIG_MMC_SDHI=m -CONFIG_MMC_DW_ROCKCHIP=m -CONFIG_MMC_SH_MMCIF=m -CONFIG_MMC_WMT=y -CONFIG_MMC_SUNXI=m - -# -# Platform RTC drivers -# -# CONFIG_RTC_DRV_AB8500 is not set - -# -# on-CPU RTC drivers -# -CONFIG_RTC_DRV_OMAP=m -CONFIG_RTC_DRV_S3C=m -CONFIG_RTC_DRV_PL030=m -CONFIG_RTC_DRV_PL031=m -# CONFIG_RTC_DRV_VT8500 is not set -CONFIG_RTC_DRV_SUN6I=m -CONFIG_RTC_DRV_SUNXI=m -CONFIG_RTC_DRV_TEGRA=m -CONFIG_RTC_DRV_SIRFSOC=m - -# -# DMA Devices -# -# CONFIG_AMBA_PL08X is not set -# CONFIG_DW_DMAC_PCI is not set -# CONFIG_TEGRA20_APB_DMA is not set -CONFIG_RENESAS_DMA=y -CONFIG_SH_DMAE_BASE=y -# CONFIG_SH_DMAE is not set -# CONFIG_SUDMAC is not set -# CONFIG_RCAR_HPB_DMAE is not set -CONFIG_RCAR_DMAC=m -CONFIG_RENESAS_USB_DMAC=m -# CONFIG_STE_DMA40 is not set -# CONFIG_SIRF_DMA is not set -# CONFIG_TI_EDMA is not set -# CONFIG_PL330_DMA is not set -# CONFIG_IMX_SDMA is not set -# CONFIG_IMX_DMA is not set -# CONFIG_MXS_DMA is not set -# CONFIG_DMA_OMAP is not set -# CONFIG_TI_CPPI41 is not set -# CONFIG_K3_DMA is not set -CONFIG_XILINX_VDMA=m -CONFIG_DMA_SUN6I=m - -# -# DMA Clients -# -# CONFIG_QCOM_BAM_DMA is not set -# CONFIG_UIO_AEC is not set -# CONFIG_UIO_SERCOS3 is not set -# CONFIG_UIO_PCI_GENERIC is not set -# CONFIG_UIO_MF624 is not set - -# -# Speakup console speech -# -# CONFIG_MFD_NVEC is not set - -# -# Common Clock Framework -# -CONFIG_COMMON_CLK_WM831X=y -CONFIG_COMMON_CLK_VERSATILE=y -CONFIG_CLK_SP810=y -CONFIG_CLK_VEXPRESS_OSC=y -CONFIG_COMMON_CLK_MAX77686=y -# CONFIG_COMMON_CLK_AXI_CLKGEN is not set -CONFIG_COMMON_CLK_KEYSTONE=y -CONFIG_COMMON_CLK_QCOM=m -CONFIG_APQ_GCC_8084=m -CONFIG_APQ_MMCC_8084=m -CONFIG_IPQ_GCC_806X=m -CONFIG_IPQ_LCC_806X=m -CONFIG_MSM_GCC_8660=m -CONFIG_MSM_GCC_8916=m -CONFIG_MSM_GCC_8960=m -CONFIG_MSM_LCC_8960=m -CONFIG_MSM_MMCC_8960=m -CONFIG_MSM_GCC_8974=m -CONFIG_MSM_MMCC_8974=m -CONFIG_COMMON_CLK_SAMSUNG=y - -# -# Hardware Spinlock drivers -# -# CONFIG_HWSPINLOCK_OMAP is not set -# CONFIG_HSEM_U8500 is not set - -# -# Clock Source drivers -# -CONFIG_DW_APB_TIMER=y -CONFIG_DW_APB_TIMER_OF=y -CONFIG_ROCKCHIP_TIMER=y -CONFIG_MESON6_TIMER=y -CONFIG_SUN4I_TIMER=y -CONFIG_SUN5I_HSTIMER=y -CONFIG_TEGRA_TIMER=y -CONFIG_VT8500_TIMER=y -CONFIG_CADENCE_TTC_TIMER=y -CONFIG_CLKSRC_NOMADIK_MTU=y -CONFIG_CLKSRC_DBX500_PRCMU=y -CONFIG_CLKSRC_DBX500_PRCMU_SCHED_CLOCK=y -CONFIG_ARM_ARCH_TIMER=y -CONFIG_ARM_ARCH_TIMER_EVTSTREAM=y -CONFIG_ARM_GLOBAL_TIMER=y -CONFIG_CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK=y -CONFIG_CLKSRC_EXYNOS_MCT=y -CONFIG_CLKSRC_SAMSUNG_PWM=y -CONFIG_MTK_TIMER=y -CONFIG_SYS_SUPPORTS_SH_TMU=y -CONFIG_SH_TIMER_TMU=y -CONFIG_CLKSRC_VERSATILE=y -CONFIG_ARM_MHU=m -CONFIG_PL320_MBOX=y -CONFIG_OMAP2PLUS_MBOX=m -CONFIG_OMAP_MBOX_KFIFO_SIZE=256 - -# -# Generic IOMMU Pagetable Support -# -CONFIG_OMAP_IOMMU=y -# CONFIG_OMAP_IOMMU_DEBUG is not set -CONFIG_ROCKCHIP_IOMMU=y -# CONFIG_TEGRA_IOMMU_GART is not set -# CONFIG_TEGRA_IOMMU_SMMU is not set -# CONFIG_EXYNOS_IOMMU is not set -# CONFIG_SHMOBILE_IOMMU is not set - -# -# Remoteproc drivers -# -CONFIG_REMOTEPROC=m -CONFIG_OMAP_REMOTEPROC=m - -# -# Rpmsg drivers -# -CONFIG_RPMSG=m - -# -# SOC (System On Chip) specific Drivers -# -# CONFIG_MTK_PMIC_WRAP is not set -CONFIG_QCOM_GSBI=m -# CONFIG_KEYSTONE_NAVIGATOR_QMSS is not set -CONFIG_KEYSTONE_NAVIGATOR_DMA=m - -# -# DEVFREQ Drivers -# -CONFIG_ARM_EXYNOS5_BUS_DEVFREQ=m -CONFIG_ARM_TEGRA_DEVFREQ=m -CONFIG_DEVFREQ_EVENT_EXYNOS_PPMU=y -# CONFIG_TI_AEMIF is not set -# CONFIG_TI_EMIF is not set -CONFIG_OMAP_GPMC=y -CONFIG_TEGRA20_MC=y -CONFIG_TEGRA_MC=y - -# -# Analog to digital converters -# -# CONFIG_EXYNOS_ADC is not set -# CONFIG_LP8788_ADC is not set -CONFIG_ROCKCHIP_SARADC=m -# CONFIG_TWL6030_GPADC is not set -# CONFIG_XILINX_XADC is not set - -# -# Temperature sensors -# -# CONFIG_PWM_AB8500 is not set -CONFIG_PWM_ATMEL_HLCDC_PWM=m -# CONFIG_PWM_FSL_FTM is not set -# CONFIG_PWM_IMX is not set -# CONFIG_PWM_LP3943 is not set -# CONFIG_PWM_PCA9685 is not set -# CONFIG_PWM_RENESAS_TPU is not set -CONFIG_PWM_ROCKCHIP=m -# CONFIG_PWM_SAMSUNG is not set -CONFIG_PWM_STI=m -CONFIG_PWM_SUN4I=m -# CONFIG_PWM_TEGRA is not set -# CONFIG_PWM_TIECAP is not set -# CONFIG_PWM_TIEHRPWM is not set -# CONFIG_PWM_TWL is not set -# CONFIG_PWM_TWL_LED is not set -# CONFIG_PWM_VT8500 is not set -CONFIG_ARM_GIC=y -CONFIG_GIC_NON_BANKED=y -CONFIG_BCM7120_L2_IRQ=y -CONFIG_BRCMSTB_L2_IRQ=y -CONFIG_DW_APB_ICTL=y -CONFIG_OMAP_IRQCHIP=y -CONFIG_RENESAS_INTC_IRQPIN=y -CONFIG_IRQ_CROSSBAR=y -# CONFIG_KEYSTONE_IRQ is not set -CONFIG_ARCH_HAS_RESET_CONTROLLER=y -CONFIG_STI_RESET_SYSCFG=y -CONFIG_STIH415_RESET=y -CONFIG_STIH416_RESET=y -CONFIG_STIH407_RESET=y - -# -# PHY Subsystem -# -CONFIG_PHY_BERLIN_USB=m -CONFIG_PHY_BERLIN_SATA=m -CONFIG_PHY_DM816X_USB=m -CONFIG_PHY_EXYNOS_MIPI_VIDEO=y -CONFIG_PHY_MIPHY28LP=m -CONFIG_PHY_MIPHY365X=m -CONFIG_PHY_RCAR_GEN2=m -CONFIG_OMAP_CONTROL_PHY=m -CONFIG_TWL4030_USB=m -CONFIG_PHY_EXYNOS_DP_VIDEO=y -CONFIG_PHY_EXYNOS5250_SATA=m -CONFIG_PHY_HIX5HD2_SATA=m -CONFIG_PHY_SUN4I_USB=m -CONFIG_PHY_SUN9I_USB=m -CONFIG_PHY_EXYNOS4210_USB2=y -CONFIG_PHY_EXYNOS4X12_USB2=y -CONFIG_PHY_EXYNOS5250_USB2=y -CONFIG_PHY_EXYNOS5_USBDRD=m -CONFIG_PHY_QCOM_APQ8064_SATA=m -CONFIG_PHY_QCOM_IPQ806X_SATA=m -CONFIG_PHY_ROCKCHIP_USB=m -CONFIG_PHY_STIH407_USB=m -CONFIG_PHY_STIH41X_USB=m -CONFIG_PHY_QCOM_UFS=m - -# -# Firmware Drivers -# -CONFIG_QCOM_SCM=y - -# -# File systems -# -CONFIG_DCACHE_WORD_ACCESS=y - -# -# Memory Debugging -# -# CONFIG_DEBUG_PER_CPU_MAPS is not set - -# -# RCU Debugging -# -CONFIG_RCU_CPU_STALL_TIMEOUT=21 -# CONFIG_RCU_CPU_STALL_INFO is not set - -# -# Runtime Testing -# -CONFIG_DEBUG_VF_UART_PORT=1 -CONFIG_DEBUG_LL_INCLUDE="debug/bcm63xx.S" -CONFIG_DEBUG_UART_BCM63XX=y -CONFIG_DEBUG_UART_PHYS=0xfffe8600 -CONFIG_DEBUG_UART_VIRT=0xfcfe8600 -# CONFIG_PID_IN_CONTEXTIDR is not set - -# -# Non-executable pages -# -CONFIG_PAX_NOEXEC=y -CONFIG_PAX_PAGEEXEC=y -CONFIG_PAX_MPROTECT=y -# CONFIG_PAX_MPROTECT_COMPAT is not set -CONFIG_PAX_ELFRELOCS=y -CONFIG_PAX_KERNEXEC=y - -# -# Miscellaneous hardening features -# -# CONFIG_PAX_MEMORY_UDEREF is not set -CONFIG_PAX_REFCOUNT=y -CONFIG_PAX_CONSTIFY_PLUGIN=y - -# -# Memory Protections -# -CONFIG_GRKERNSEC_OLD_ARM_USERLAND=y - -# -# Kernel Auditing -# -CONFIG_GRKERNSEC_RWXMAP_LOG=y - -# -# Crypto core or helper -# -CONFIG_CRYPTO_PCRYPT=m -CONFIG_CRYPTO_ABLK_HELPER=m - -# -# Random Number Generation -# -CONFIG_CRYPTO_DEV_OMAP_SHAM=m -CONFIG_CRYPTO_DEV_OMAP_AES=m -CONFIG_CRYPTO_DEV_OMAP_DES=m -CONFIG_CRYPTO_DEV_S5P=m -# CONFIG_CRYPTO_DEV_UX500 is not set -CONFIG_CRYPTO_DEV_QCE=m -CONFIG_CRYPTO_SHA1_ARM_NEON=m -CONFIG_CRYPTO_SHA1_ARM_CE=m -CONFIG_CRYPTO_SHA2_ARM_CE=m -CONFIG_CRYPTO_SHA512_ARM_NEON=m -CONFIG_CRYPTO_AES_ARM_BS=m -CONFIG_CRYPTO_AES_ARM_CE=m -CONFIG_CRYPTO_GHASH_ARM_CE=m - -# -# Library routines -# -CONFIG_CPU_RMAP=y diff --git a/kernel/config-armv7hl-lpae b/kernel/config-armv7hl-lpae deleted file mode 100644 index 0329ba1..0000000 --- a/kernel/config-armv7hl-lpae +++ /dev/null @@ -1,107 +0,0 @@ -CONFIG_PGTABLE_LEVELS=3 - -# -# IO Schedulers -# -CONFIG_PREEMPT_NOTIFIERS=y - -# -# CPU Core family selection -# -CONFIG_ARCH_AXXIA=y - -# -# Power management -# -# CONFIG_ARCH_R8A7779 is not set - -# -# Processor Features -# -CONFIG_ARM_LPAE=y -CONFIG_ARCH_PHYS_ADDR_T_64BIT=y -CONFIG_ARCH_DMA_ADDR_T_64BIT=y - -# -# Bus support -# -CONFIG_PCI_BUS_ADDR_T_64BIT=y - -# -# PCI host controller drivers -# -CONFIG_PCIE_IPROC=y -CONFIG_PCIE_IPROC_PLATFORM=y - -# -# Kernel Features -# -CONFIG_SYS_SUPPORTS_HUGETLBFS=y -CONFIG_PHYS_ADDR_T_64BIT=y -CONFIG_MMU_NOTIFIER=y -# CONFIG_TRANSPARENT_HUGEPAGE is not set - -# -# Bus devices -# -# CONFIG_SIMPLE_PM_BUS is not set - -# -# I2C system bus drivers (mostly embedded / system-on-chip) -# -CONFIG_I2C_AXXIA=m - -# -# USB GPIO expanders -# -CONFIG_POWER_RESET_AXXIA=y -CONFIG_ROCKCHIP_IODOMAIN=m - -# -# Media drivers -# -# CONFIG_IR_SUNXI is not set - -# -# Clock Source drivers -# -# CONFIG_SH_TIMER_TMU is not set - -# -# Generic IOMMU Pagetable Support -# -# CONFIG_IOMMU_IO_PGTABLE_LPAE is not set -# CONFIG_IPMMU_VMSA is not set -# CONFIG_ARM_SMMU is not set - -# -# Analog to digital converters -# -# CONFIG_ROCKCHIP_SARADC is not set - -# -# Digital to analog converters -# -# CONFIG_MAX5821 is not set - -# -# Pseudo filesystems -# -# CONFIG_HUGETLBFS is not set - -# -# Lock Debugging (spinlocks, mutexes, etc...) -# -# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set -# CONFIG_DEBUG_LOCK_ALLOC is not set -# CONFIG_PROVE_LOCKING is not set -# CONFIG_LOCK_STAT is not set - -# -# Library routines -# -CONFIG_KVM_MMIO=y -CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT=y -CONFIG_KVM=y -CONFIG_KVM_ARM_HOST=y -CONFIG_KVM_ARM_MAX_VCPUS=4 diff --git a/kernel/config-generic b/kernel/config-generic index d0a66e1..936e462 100644 --- a/kernel/config-generic +++ b/kernel/config-generic @@ -44,9 +44,13 @@ CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_IRQ_SHOW=y CONFIG_GENERIC_IRQ_CHIP=y CONFIG_IRQ_DOMAIN=y +CONFIG_IRQ_DOMAIN_HIERARCHY=y # CONFIG_IRQ_DOMAIN_DEBUG is not set +CONFIG_IRQ_FORCED_THREADING=y CONFIG_SPARSE_IRQ=y +CONFIG_GENERIC_TIME_VSYSCALL=y CONFIG_GENERIC_CLOCKEVENTS=y +CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y # # Timers subsystem @@ -70,14 +74,19 @@ CONFIG_TASK_IO_ACCOUNTING=y # # RCU Subsystem # +CONFIG_TREE_RCU=y +# CONFIG_RCU_EXPERT is not set CONFIG_SRCU=y # CONFIG_TASKS_RCU is not set +CONFIG_RCU_STALL_COMMON=y # CONFIG_TREE_RCU_TRACE is not set -CONFIG_RCU_KTHREAD_PRIO=0 +CONFIG_RCU_NOCB_CPU=y +# CONFIG_RCU_NOCB_CPU_ZERO is not set # CONFIG_RCU_EXPEDITE_BOOT is not set # CONFIG_BUILD_BIN2C is not set # CONFIG_IKCONFIG is not set CONFIG_LOG_BUF_SHIFT=18 +CONFIG_LOG_CPU_MAX_BUF_SHIFT=12 CONFIG_CGROUPS=y # CONFIG_CGROUP_DEBUG is not set CONFIG_CGROUP_FREEZER=y @@ -93,6 +102,7 @@ CONFIG_FAIR_GROUP_SCHED=y CONFIG_RT_GROUP_SCHED=y CONFIG_BLK_CGROUP=y # CONFIG_DEBUG_BLK_CGROUP is not set +# CONFIG_CHECKPOINT_RESTORE is not set CONFIG_NAMESPACES=y CONFIG_UTS_NS=y CONFIG_IPC_NS=y @@ -146,20 +156,26 @@ CONFIG_HAVE_PERF_EVENTS=y CONFIG_PERF_EVENTS=y # CONFIG_DEBUG_PERF_USE_VMALLOC is not set CONFIG_VM_EVENT_COUNTERS=y +# CONFIG_SLUB_DEBUG is not set # CONFIG_COMPAT_BRK is not set +# CONFIG_SLAB is not set +CONFIG_SLUB=y # CONFIG_SLOB is not set +CONFIG_SLUB_CPU_PARTIAL=y CONFIG_SYSTEM_TRUSTED_KEYRING=y # CONFIG_PROFILING is not set CONFIG_TRACEPOINTS=y CONFIG_JUMP_LABEL=y # CONFIG_UPROBES is not set # CONFIG_HAVE_64BIT_ALIGNED_ACCESS is not set +CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_HAVE_DMA_ATTRS=y CONFIG_HAVE_DMA_CONTIGUOUS=y CONFIG_GENERIC_SMP_IDLE_THREAD=y CONFIG_HAVE_CLK=y CONFIG_HAVE_DMA_API_DEBUG=y +CONFIG_HAVE_HW_BREAKPOINT=y CONFIG_HAVE_PERF_REGS=y CONFIG_HAVE_PERF_USER_STACK_DUMP=y CONFIG_HAVE_ARCH_JUMP_LABEL=y @@ -188,6 +204,7 @@ CONFIG_MODVERSIONS=y CONFIG_MODULE_SRCVERSION_ALL=y # CONFIG_MODULE_SIG is not set # CONFIG_MODULE_COMPRESS is not set +CONFIG_MODULES_TREE_LOOKUP=y CONFIG_STOP_MACHINE=y CONFIG_BLOCK=y CONFIG_BLK_DEV_BSG=y @@ -232,6 +249,7 @@ CONFIG_CFQ_GROUP_IOSCHED=y CONFIG_DEFAULT_CFQ=y # CONFIG_DEFAULT_NOOP is not set CONFIG_DEFAULT_IOSCHED="cfq" +CONFIG_PADATA=y CONFIG_ASN1=y CONFIG_INLINE_SPIN_UNLOCK_IRQ=y CONFIG_INLINE_READ_UNLOCK=y @@ -239,13 +257,20 @@ CONFIG_INLINE_READ_UNLOCK_IRQ=y CONFIG_INLINE_WRITE_UNLOCK=y CONFIG_INLINE_WRITE_UNLOCK_IRQ=y CONFIG_ARCH_SUPPORTS_ATOMIC_RMW=y +CONFIG_MUTEX_SPIN_ON_OWNER=y +CONFIG_RWSEM_SPIN_ON_OWNER=y +CONFIG_LOCK_SPIN_ON_OWNER=y CONFIG_FREEZER=y # # Processor type and features # CONFIG_ZONE_DMA=y +CONFIG_SMP=y +# CONFIG_XEN is not set CONFIG_NO_BOOTMEM=y +CONFIG_SCHED_SMT=y +CONFIG_SCHED_MC=y CONFIG_PREEMPT_NONE=y # CONFIG_PREEMPT_VOLUNTARY is not set # CONFIG_PREEMPT is not set @@ -253,12 +278,14 @@ CONFIG_HAVE_MEMBLOCK=y CONFIG_MEMORY_ISOLATION=y # CONFIG_HAVE_BOOTMEM_INFO_NODE is not set CONFIG_PAGEFLAGS_EXTENDED=y +CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_MEMORY_BALLOON=y CONFIG_BALLOON_COMPACTION=y CONFIG_COMPACTION=y CONFIG_MIGRATION=y CONFIG_ZONE_DMA_FLAG=1 CONFIG_BOUNCE=y +CONFIG_MMU_NOTIFIER=y CONFIG_KSM=y CONFIG_CLEANCACHE=y # CONFIG_FRONTSWAP is not set @@ -270,6 +297,7 @@ CONFIG_ZPOOL=m # CONFIG_ZBUD is not set # CONFIG_ZSMALLOC is not set CONFIG_SECCOMP=y +CONFIG_HOTPLUG_CPU=y # # Power management and ACPI options @@ -277,10 +305,12 @@ CONFIG_SECCOMP=y CONFIG_SUSPEND=y CONFIG_SUSPEND_FREEZER=y CONFIG_PM_SLEEP=y +CONFIG_PM_SLEEP_SMP=y # CONFIG_PM_AUTOSLEEP is not set # CONFIG_PM_WAKELOCKS is not set CONFIG_PM=y # CONFIG_PM_DEBUG is not set +CONFIG_PM_OPP=y CONFIG_PM_CLK=y # CONFIG_WQ_POWER_EFFICIENT_DEFAULT is not set @@ -303,6 +333,7 @@ CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m # # CPU frequency scaling drivers # +CONFIG_CPUFREQ_DT=m # # shared options @@ -323,6 +354,7 @@ CONFIG_CPU_IDLE_GOV_MENU=y # Bus options (PCI etc.) # CONFIG_PCI=y +CONFIG_PCI_DOMAINS=y CONFIG_PCIEPORTBUS=y CONFIG_PCIEAER=y CONFIG_PCIEASPM=y @@ -349,6 +381,7 @@ CONFIG_BINFMT_SCRIPT=y CONFIG_BINFMT_MISC=y CONFIG_COREDUMP=y CONFIG_NET=y +CONFIG_NET_INGRESS=y # # Networking options @@ -389,7 +422,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_UDP_TUNNEL=m CONFIG_NET_FOU=m CONFIG_NET_FOU_IP_TUNNELS=y -# CONFIG_GENEVE is not set +# CONFIG_GENEVE_CORE is not set CONFIG_INET_AH=m CONFIG_INET_ESP=m CONFIG_INET_IPCOMP=m @@ -416,6 +449,7 @@ CONFIG_TCP_CONG_VENO=m CONFIG_TCP_CONG_YEAH=m CONFIG_TCP_CONG_ILLINOIS=m CONFIG_TCP_CONG_DCTCP=m +CONFIG_TCP_CONG_CDG=m CONFIG_DEFAULT_CUBIC=y # CONFIG_DEFAULT_RENO is not set CONFIG_DEFAULT_TCP_CONG="cubic" @@ -457,6 +491,7 @@ CONFIG_BRIDGE_NETFILTER=y # # Core Netfilter Configuration # +CONFIG_NETFILTER_INGRESS=y CONFIG_NETFILTER_NETLINK=m CONFIG_NETFILTER_NETLINK_ACCT=m CONFIG_NETFILTER_NETLINK_QUEUE=m @@ -502,6 +537,7 @@ CONFIG_NF_NAT_TFTP=m CONFIG_NF_NAT_REDIRECT=m CONFIG_NF_TABLES=m CONFIG_NF_TABLES_INET=m +CONFIG_NF_TABLES_NETDEV=m CONFIG_NFT_EXTHDR=m CONFIG_NFT_META=m CONFIG_NFT_CT=m @@ -817,6 +853,7 @@ CONFIG_NET_CLS_RSVP6=m CONFIG_NET_CLS_FLOW=m CONFIG_NET_CLS_CGROUP=m CONFIG_NET_CLS_BPF=m +CONFIG_NET_CLS_FLOWER=m CONFIG_NET_EMATCH=y CONFIG_NET_EMATCH_STACK=32 CONFIG_NET_EMATCH_CMP=m @@ -847,9 +884,7 @@ CONFIG_BATMAN_ADV_DAT=y CONFIG_BATMAN_ADV_NC=y CONFIG_BATMAN_ADV_MCAST=y # CONFIG_BATMAN_ADV_DEBUG is not set -CONFIG_OPENVSWITCH=m -CONFIG_OPENVSWITCH_GRE=m -CONFIG_OPENVSWITCH_VXLAN=m +# CONFIG_OPENVSWITCH is not set CONFIG_VSOCKETS=m CONFIG_NETLINK_MMAP=y CONFIG_NETLINK_DIAG=m @@ -858,10 +893,14 @@ CONFIG_NET_MPLS_GSO=m CONFIG_MPLS_ROUTING=m # CONFIG_HSR is not set CONFIG_NET_SWITCHDEV=y +CONFIG_RPS=y +CONFIG_RFS_ACCEL=y +CONFIG_XPS=y CONFIG_CGROUP_NET_PRIO=y CONFIG_CGROUP_NET_CLASSID=y CONFIG_NET_RX_BUSY_POLL=y CONFIG_BQL=y +CONFIG_NET_FLOW_LIMIT=y # # Network testing @@ -889,8 +928,10 @@ CONFIG_BT_LE=y # CONFIG_BT_INTEL=m CONFIG_BT_BCM=m +CONFIG_BT_RTL=m CONFIG_BT_HCIBTUSB=m CONFIG_BT_HCIBTUSB_BCM=y +CONFIG_BT_HCIBTUSB_RTL=y CONFIG_BT_HCIUART=m CONFIG_BT_HCIUART_H4=y CONFIG_BT_HCIUART_BCSP=y @@ -941,6 +982,7 @@ CONFIG_MAC80211_LEDS=y # CONFIG_MAC80211_DEBUGFS is not set # CONFIG_MAC80211_MESSAGE_TRACING is not set # CONFIG_MAC80211_DEBUG_MENU is not set +CONFIG_MAC80211_STA_HASH_MAX_SIZE=0 # CONFIG_WIMAX is not set CONFIG_RFKILL=m CONFIG_RFKILL_LEDS=y @@ -965,6 +1007,8 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y CONFIG_FW_LOADER=y # CONFIG_FIRMWARE_IN_KERNEL is not set CONFIG_EXTRA_FIRMWARE="" +CONFIG_FW_LOADER_USER_HELPER=y +CONFIG_WANT_DEV_COREDUMP=y # CONFIG_ALLOW_DEV_COREDUMP is not set # CONFIG_DEBUG_DRIVER is not set # CONFIG_DEBUG_DEVRES is not set @@ -972,6 +1016,7 @@ CONFIG_EXTRA_FIRMWARE="" # CONFIG_GENERIC_CPU_DEVICES is not set CONFIG_REGMAP=y CONFIG_REGMAP_I2C=y +CONFIG_REGMAP_SPMI=m CONFIG_REGMAP_MMIO=y CONFIG_REGMAP_IRQ=y CONFIG_DMA_SHARED_BUFFER=y @@ -983,6 +1028,16 @@ CONFIG_DMA_SHARED_BUFFER=y CONFIG_CONNECTOR=y CONFIG_PROC_EVENTS=y # CONFIG_MTD is not set +CONFIG_OF=y +# CONFIG_OF_UNITTEST is not set +CONFIG_OF_ADDRESS=y +CONFIG_OF_ADDRESS_PCI=y +CONFIG_OF_IRQ=y +CONFIG_OF_NET=y +CONFIG_OF_MDIO=y +CONFIG_OF_PCI=y +CONFIG_OF_PCI_IRQ=y +# CONFIG_OF_OVERLAY is not set # # Protocols @@ -998,7 +1053,6 @@ CONFIG_BLK_DEV_CRYPTOLOOP=m # CONFIG_BLK_DEV_OSD is not set CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 -CONFIG_BLK_DEV_PMEM=m # CONFIG_CDROM_PKTCDVD is not set # CONFIG_ATA_OVER_ETH is not set CONFIG_VIRTIO_BLK=m @@ -1055,14 +1109,23 @@ CONFIG_ALTERA_STAPL=m # # +# SCIF Bus Driver +# + +# # Intel MIC Host Driver # # # Intel MIC Card Driver # + +# +# SCIF Driver +# # CONFIG_ECHO is not set # CONFIG_CXL_BASE is not set +# CONFIG_CXL_KERNEL_API is not set # # SCSI device support @@ -1147,6 +1210,7 @@ CONFIG_SCSI_HPTIOP=m CONFIG_LIBFC=m CONFIG_LIBFCOE=m CONFIG_FCOE=m +# CONFIG_SCSI_SNIC is not set CONFIG_SCSI_DMX3191D=m CONFIG_SCSI_FUTURE_DOMAIN=m CONFIG_SCSI_IPS=m @@ -1194,6 +1258,7 @@ CONFIG_SATA_PMP=y # CONFIG_SATA_AHCI=m CONFIG_SATA_AHCI_PLATFORM=m +CONFIG_AHCI_CEVA=m CONFIG_SATA_INIC162X=m CONFIG_SATA_ACARD_AHCI=m CONFIG_SATA_SIL24=m @@ -1301,6 +1366,7 @@ CONFIG_DM_SNAPSHOT=y CONFIG_DM_THIN_PROVISIONING=m CONFIG_DM_CACHE=m CONFIG_DM_CACHE_MQ=m +CONFIG_DM_CACHE_SMQ=m CONFIG_DM_CACHE_CLEANER=m CONFIG_DM_ERA=m CONFIG_DM_MIRROR=y @@ -1341,6 +1407,7 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_NETPOLL=y CONFIG_NET_POLL_CONTROLLER=y CONFIG_TUN=m +# CONFIG_TUN_VNET_CROSS_LE is not set CONFIG_VETH=m CONFIG_VIRTIO_NET=m CONFIG_NLMON=m @@ -1382,6 +1449,9 @@ CONFIG_ALTERA_TSE=m CONFIG_NET_VENDOR_AMD=y CONFIG_PCNET32=m CONFIG_NET_VENDOR_ARC=y +CONFIG_ARC_EMAC_CORE=m +CONFIG_ARC_EMAC=m +CONFIG_EMAC_ROCKCHIP=m CONFIG_NET_VENDOR_ATHEROS=y CONFIG_ATL2=m CONFIG_ATL1=m @@ -1399,8 +1469,10 @@ CONFIG_BNX2=m CONFIG_CNIC=m CONFIG_TIGON3=m CONFIG_BNX2X=m +CONFIG_SYSTEMPORT=m CONFIG_NET_VENDOR_BROCADE=y CONFIG_BNA=m +CONFIG_NET_VENDOR_CAVIUM=m CONFIG_NET_VENDOR_CHELSIO=y CONFIG_CHELSIO_T1=m CONFIG_CHELSIO_T3=m @@ -1422,7 +1494,10 @@ CONFIG_SUNDANCE=m CONFIG_SUNDANCE_MMIO=y CONFIG_NET_VENDOR_EMULEX=y CONFIG_BE2NET=m +CONFIG_BE2NET_HWMON=y CONFIG_BE2NET_VXLAN=y +CONFIG_NET_VENDOR_EZCHIP=y +CONFIG_EZCHIP_NPS_MANAGEMENT_ENET=m CONFIG_NET_VENDOR_EXAR=y CONFIG_S2IO=m CONFIG_VXGE=m @@ -1488,6 +1563,7 @@ CONFIG_8139TOO=m CONFIG_8139TOO_TUNE_TWISTER=y # CONFIG_8139_OLD_RX_RESET is not set CONFIG_R8169=m +CONFIG_NET_VENDOR_RENESAS=y CONFIG_NET_VENDOR_RDC=y CONFIG_R6040=m CONFIG_NET_VENDOR_ROCKER=y @@ -1502,6 +1578,7 @@ CONFIG_SIS900=m CONFIG_SIS190=m CONFIG_SFC=m CONFIG_SFC_MCDI_MON=y +CONFIG_SFC_MCDI_LOGGING=y CONFIG_NET_VENDOR_SMSC=y CONFIG_EPIC100=m CONFIG_SMSC911X=m @@ -1510,6 +1587,14 @@ CONFIG_SMSC9420=m CONFIG_NET_VENDOR_STMICRO=y CONFIG_STMMAC_ETH=m CONFIG_STMMAC_PLATFORM=m +CONFIG_DWMAC_GENERIC=m +CONFIG_DWMAC_IPQ806X=m +CONFIG_DWMAC_LPC18XX=m +CONFIG_DWMAC_MESON=m +CONFIG_DWMAC_ROCKCHIP=m +CONFIG_DWMAC_SOCFPGA=m +CONFIG_DWMAC_STI=m +CONFIG_DWMAC_SUNXI=m CONFIG_NET_VENDOR_SUN=y CONFIG_HAPPYMEAL=m CONFIG_SUNGEM=m @@ -1554,9 +1639,13 @@ CONFIG_NATIONAL_PHY=m CONFIG_STE10XP=m CONFIG_LSI_ET1011C_PHY=m CONFIG_MICREL_PHY=m +CONFIG_DP83867_PHY=m CONFIG_FIXED_PHY=y CONFIG_MDIO_BITBANG=m # CONFIG_MDIO_GPIO is not set +CONFIG_MDIO_BUS_MUX=m +CONFIG_MDIO_BUS_MUX_GPIO=m +CONFIG_MDIO_BUS_MUX_MMIOREG=m CONFIG_MDIO_BCM_UNIMAC=m CONFIG_PPP=m CONFIG_PPP_BSDCOMP=m @@ -1762,6 +1851,8 @@ CONFIG_RT2X00_LIB_FIRMWARE=y CONFIG_RT2X00_LIB_CRYPTO=y CONFIG_RT2X00_LIB_LEDS=y # CONFIG_RT2X00_DEBUG is not set +CONFIG_WL_MEDIATEK=y +CONFIG_MT7601U=m CONFIG_RTL_CARDS=m CONFIG_RTL8192CE=m CONFIG_RTL8192SE=m @@ -1901,6 +1992,7 @@ CONFIG_ISDN_HDLC=m # Input device support # CONFIG_INPUT=y +CONFIG_INPUT_LEDS=m CONFIG_INPUT_FF_MEMLESS=m CONFIG_INPUT_POLLDEV=m CONFIG_INPUT_SPARSEKMAP=m @@ -1940,8 +2032,11 @@ CONFIG_KEYBOARD_LM8333=m # CONFIG_KEYBOARD_OPENCORES is not set # CONFIG_KEYBOARD_STOWAWAY is not set # CONFIG_KEYBOARD_SUNKBD is not set +CONFIG_KEYBOARD_OMAP4=m +# CONFIG_KEYBOARD_TC3589X is not set CONFIG_KEYBOARD_TWL4030=m # CONFIG_KEYBOARD_XTKBD is not set +CONFIG_KEYBOARD_BCM=m CONFIG_INPUT_MOUSE=y CONFIG_MOUSE_PS2=m CONFIG_MOUSE_PS2_ALPS=y @@ -1995,12 +2090,14 @@ CONFIG_INPUT_PALMAS_PWRBUTTON=m CONFIG_INPUT_GPIO_ROTARY_ENCODER=m # CONFIG_INPUT_DA9052_ONKEY is not set # CONFIG_INPUT_DA9055_ONKEY is not set +CONFIG_INPUT_DA9063_ONKEY=m # CONFIG_INPUT_WM831X_ON is not set # CONFIG_INPUT_ADXL34X is not set # CONFIG_INPUT_IMS_PCU is not set # CONFIG_INPUT_CMA3000 is not set CONFIG_INPUT_SOC_BUTTON_ARRAY=m CONFIG_INPUT_DRV260X_HAPTICS=m +CONFIG_INPUT_DRV2665_HAPTICS=m CONFIG_INPUT_DRV2667_HAPTICS=m # @@ -2014,6 +2111,7 @@ CONFIG_SERIO_RAW=m CONFIG_SERIO_ALTERA_PS2=m # CONFIG_SERIO_PS2MULT is not set CONFIG_SERIO_ARC_PS2=m +CONFIG_SERIO_APBPS2=m # CONFIG_GAMEPORT is not set # @@ -2037,6 +2135,7 @@ CONFIG_N_HDLC=m CONFIG_N_GSM=m # CONFIG_TRACE_SINK is not set # CONFIG_DEVMEM is not set +CONFIG_DEVKMEM=y # # Serial drivers @@ -2061,10 +2160,13 @@ CONFIG_SERIAL_8250_DW=m # CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y +CONFIG_SERIAL_SC16IS7XX_CORE=m CONFIG_SERIAL_SC16IS7XX=m +CONFIG_SERIAL_SC16IS7XX_I2C=y # CONFIG_SERIAL_ALTERA_JTAGUART is not set # CONFIG_SERIAL_ALTERA_UART is not set CONFIG_SERIAL_FSL_LPUART=m +CONFIG_SERIAL_CONEXANT_DIGICOLOR=m # CONFIG_TTY_PRINTK is not set CONFIG_HVC_DRIVER=y CONFIG_VIRTIO_CONSOLE=m @@ -2084,6 +2186,7 @@ CONFIG_R3964=m CONFIG_RAW_DRIVER=y CONFIG_MAX_RAW_DEVS=8192 # CONFIG_TCG_TPM is not set +CONFIG_DEVPORT=y # CONFIG_XILLYBUS is not set # @@ -2139,6 +2242,7 @@ CONFIG_I2C_KEMPLD=m # CONFIG_I2C_OCORES is not set CONFIG_I2C_PCA_PLATFORM=m # CONFIG_I2C_PXA_PCI is not set +CONFIG_I2C_RK3X=m CONFIG_I2C_SIMTEC=m # CONFIG_I2C_XILINX is not set @@ -2203,20 +2307,27 @@ CONFIG_HSI_CHAR=m CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y CONFIG_GPIOLIB=y CONFIG_GPIO_DEVRES=y +CONFIG_OF_GPIO=y CONFIG_GPIOLIB_IRQCHIP=y # CONFIG_DEBUG_GPIO is not set CONFIG_GPIO_SYSFS=y +CONFIG_GPIO_GENERIC=y # # Memory mapped GPIO drivers # +CONFIG_GPIO_74XX_MMIO=m +CONFIG_GPIO_ALTERA=m +CONFIG_GPIO_GENERIC_PLATFORM=y # CONFIG_GPIO_SCH311X is not set +CONFIG_GPIO_SYSCON=m # CONFIG_GPIO_VX855 is not set # # I2C GPIO expanders # # CONFIG_GPIO_ADP5588 is not set +CONFIG_GPIO_ADNP=m # CONFIG_GPIO_MAX7300 is not set # CONFIG_GPIO_MAX732X is not set # CONFIG_GPIO_PCA953X is not set @@ -2234,6 +2345,7 @@ CONFIG_GPIO_CRYSTAL_COVE=m # CONFIG_GPIO_LP3943 is not set # CONFIG_GPIO_PALMAS is not set # CONFIG_GPIO_RC5T583 is not set +CONFIG_GPIO_STMPE=y # CONFIG_GPIO_TPS6586X is not set # CONFIG_GPIO_TPS65910 is not set # CONFIG_GPIO_TPS65912 is not set @@ -2278,13 +2390,21 @@ CONFIG_CHARGER_MAX14577=m CONFIG_CHARGER_MAX77693=m # CONFIG_CHARGER_BQ2415X is not set # CONFIG_CHARGER_BQ24190 is not set +# CONFIG_CHARGER_BQ24257 is not set # CONFIG_CHARGER_BQ24735 is not set +# CONFIG_CHARGER_BQ25890 is not set # CONFIG_CHARGER_SMB347 is not set # CONFIG_CHARGER_TPS65090 is not set # CONFIG_BATTERY_GAUGE_LTC2941 is not set # CONFIG_BATTERY_RT5033 is not set +# CONFIG_CHARGER_RT9455 is not set CONFIG_POWER_RESET=y +CONFIG_POWER_RESET_GPIO=y +CONFIG_POWER_RESET_GPIO_RESTART=y +CONFIG_POWER_RESET_LTC2952=y CONFIG_POWER_RESET_RESTART=y +CONFIG_POWER_RESET_SYSCON=y +CONFIG_POWER_RESET_SYSCON_POWEROFF=y CONFIG_POWER_AVS=y CONFIG_HWMON=y CONFIG_HWMON_VID=m @@ -2404,6 +2524,7 @@ CONFIG_SENSORS_ADS7828=m CONFIG_SENSORS_AMC6821=m CONFIG_SENSORS_INA209=m CONFIG_SENSORS_INA2XX=m +CONFIG_SENSORS_TC74=m CONFIG_SENSORS_THMC50=m CONFIG_SENSORS_TMP102=m CONFIG_SENSORS_TMP103=m @@ -2431,18 +2552,26 @@ CONFIG_SENSORS_WM8350=m # CONFIG_THERMAL=y CONFIG_THERMAL_HWMON=y +CONFIG_THERMAL_OF=y +CONFIG_THERMAL_WRITABLE_TRIPS=y CONFIG_THERMAL_DEFAULT_GOV_STEP_WISE=y # CONFIG_THERMAL_DEFAULT_GOV_FAIR_SHARE is not set # CONFIG_THERMAL_DEFAULT_GOV_USER_SPACE is not set +# CONFIG_THERMAL_DEFAULT_GOV_POWER_ALLOCATOR is not set CONFIG_THERMAL_GOV_FAIR_SHARE=y CONFIG_THERMAL_GOV_STEP_WISE=y CONFIG_THERMAL_GOV_BANG_BANG=y CONFIG_THERMAL_GOV_USER_SPACE=y +CONFIG_THERMAL_GOV_POWER_ALLOCATOR=y +CONFIG_CPU_THERMAL=y +CONFIG_CLOCK_THERMAL=y CONFIG_THERMAL_EMULATION=y +CONFIG_IMX_THERMAL=m # # Texas Instruments thermal drivers # +CONFIG_QCOM_SPMI_TEMP_ALARM=m CONFIG_WATCHDOG=y CONFIG_WATCHDOG_CORE=y CONFIG_WATCHDOG_NOWAYOUT=y @@ -2454,6 +2583,7 @@ CONFIG_SOFT_WATCHDOG=m CONFIG_DA9052_WATCHDOG=m CONFIG_DA9055_WATCHDOG=m CONFIG_DA9063_WATCHDOG=m +CONFIG_GPIO_WATCHDOG=m CONFIG_MENF21BMC_WATCHDOG=m CONFIG_WM831X_WATCHDOG=m CONFIG_WM8350_WATCHDOG=m @@ -2462,6 +2592,7 @@ CONFIG_CADENCE_WATCHDOG=m CONFIG_DW_WATCHDOG=m CONFIG_RN5T618_WATCHDOG=m CONFIG_TWL4030_WATCHDOG=m +CONFIG_MAX63XX_WATCHDOG=m CONFIG_RETU_WATCHDOG=m CONFIG_ALIM7101_WDT=m CONFIG_I6300ESB_WDT=m @@ -2514,6 +2645,7 @@ CONFIG_BCMA_DRIVER_GMAC_CMN=y # CONFIG_MFD_CORE=y CONFIG_MFD_AS3711=y +CONFIG_MFD_AS3722=y CONFIG_PMIC_ADP5520=y CONFIG_MFD_AAT2870_CORE=y CONFIG_MFD_BCM590XX=m @@ -2527,6 +2659,7 @@ CONFIG_MFD_DA9063=y # CONFIG_MFD_DA9150 is not set # CONFIG_MFD_DLN2 is not set # CONFIG_MFD_MC13XXX_I2C is not set +CONFIG_MFD_HI6421_PMIC=m # CONFIG_HTC_PASIC3 is not set CONFIG_HTC_I2CPLD=y CONFIG_LPC_SCH=m @@ -2537,6 +2670,7 @@ CONFIG_MFD_88PM800=m CONFIG_MFD_88PM805=m CONFIG_MFD_88PM860X=y CONFIG_MFD_MAX14577=y +CONFIG_MFD_MAX77686=y CONFIG_MFD_MAX77693=y CONFIG_MFD_MAX77843=y CONFIG_MFD_MAX8907=m @@ -2553,6 +2687,7 @@ CONFIG_MFD_RETU=m CONFIG_MFD_RT5033=m CONFIG_MFD_RTSX_USB=m CONFIG_MFD_RC5T583=y +CONFIG_MFD_RK808=m CONFIG_MFD_RN5T618=y CONFIG_MFD_SEC_CORE=y # CONFIG_MFD_SI476X_CORE is not set @@ -2560,6 +2695,12 @@ CONFIG_MFD_SM501=m CONFIG_MFD_SM501_GPIO=y CONFIG_MFD_SKY81452=m CONFIG_MFD_SMSC=y +CONFIG_MFD_STMPE=y + +# +# STMicroelectronics STMPE Interface Drivers +# +CONFIG_STMPE_I2C=y CONFIG_MFD_SYSCON=y # CONFIG_MFD_TI_AM335X_TSCADC is not set CONFIG_MFD_LP3943=m @@ -2581,6 +2722,7 @@ CONFIG_MFD_TWL4030_AUDIO=y CONFIG_TWL6040_CORE=y CONFIG_MFD_WL1273_CORE=m CONFIG_MFD_LM3533=m +CONFIG_MFD_TC3589X=y # CONFIG_MFD_TMIO is not set # CONFIG_MFD_ARIZONA_I2C is not set CONFIG_MFD_WM8400=y @@ -2597,6 +2739,7 @@ CONFIG_REGULATOR_AD5398=m CONFIG_REGULATOR_ANATOP=m CONFIG_REGULATOR_AAT2870=m CONFIG_REGULATOR_AS3711=m +CONFIG_REGULATOR_AS3722=m CONFIG_REGULATOR_AXP20X=m CONFIG_REGULATOR_BCM590XX=m CONFIG_REGULATOR_DA903X=m @@ -2606,6 +2749,7 @@ CONFIG_REGULATOR_DA9063=m CONFIG_REGULATOR_DA9210=m CONFIG_REGULATOR_DA9211=m CONFIG_REGULATOR_FAN53555=m +CONFIG_REGULATOR_HI6421=m CONFIG_REGULATOR_ISL9305=m CONFIG_REGULATOR_ISL6271A=m CONFIG_REGULATOR_LP3971=m @@ -2622,12 +2766,16 @@ CONFIG_REGULATOR_MAX8952=m CONFIG_REGULATOR_MAX8973=m CONFIG_REGULATOR_MAX8997=m CONFIG_REGULATOR_MAX8998=m +CONFIG_REGULATOR_MAX77686=m CONFIG_REGULATOR_MAX77693=m +CONFIG_REGULATOR_MAX77802=m CONFIG_REGULATOR_MAX77843=m CONFIG_REGULATOR_MT6397=m CONFIG_REGULATOR_PALMAS=m CONFIG_REGULATOR_PFUZE100=m +CONFIG_REGULATOR_QCOM_SPMI=m CONFIG_REGULATOR_RC5T583=m +CONFIG_REGULATOR_RK808=m CONFIG_REGULATOR_RN5T618=m CONFIG_REGULATOR_RT5033=m CONFIG_REGULATOR_S2MPA01=m @@ -2639,6 +2787,7 @@ CONFIG_REGULATOR_TPS62360=m CONFIG_REGULATOR_TPS65023=m CONFIG_REGULATOR_TPS6507X=m CONFIG_REGULATOR_TPS65090=m +CONFIG_REGULATOR_TPS65218=m CONFIG_REGULATOR_TPS6586X=m CONFIG_REGULATOR_TPS65910=m CONFIG_REGULATOR_TPS65912=m @@ -2666,6 +2815,7 @@ CONFIG_VIDEO_V4L2=y # CONFIG_VIDEO_FIXED_MINOR_RANGES is not set CONFIG_VIDEO_TUNER=m CONFIG_V4L2_MEM2MEM_DEV=m +CONFIG_V4L2_FLASH_LED_CLASS=m CONFIG_VIDEOBUF_GEN=m CONFIG_VIDEOBUF_VMALLOC=m CONFIG_VIDEOBUF_DVB=m @@ -2878,6 +3028,7 @@ CONFIG_MEDIA_PCI_SUPPORT=y # CONFIG_VIDEO_MXB is not set # CONFIG_VIDEO_SOLO6X10 is not set # CONFIG_VIDEO_TW68 is not set +# CONFIG_VIDEO_DT3155 is not set # # Media capture/analog/hybrid TV support @@ -2892,6 +3043,7 @@ CONFIG_DVB_SMIPCIE=m CONFIG_V4L_PLATFORM_DRIVERS=y CONFIG_SOC_CAMERA=m CONFIG_SOC_CAMERA_PLATFORM=m +# CONFIG_VIDEO_XILINX is not set CONFIG_V4L_MEM2MEM_DRIVERS=y CONFIG_VIDEO_MEM2MEM_DEINTERLACE=m CONFIG_VIDEO_SH_VEU=m @@ -3057,6 +3209,7 @@ CONFIG_DVB_TUNER_ITD1000=m CONFIG_DVB_TUNER_CX24113=m CONFIG_DVB_TDA826X=m CONFIG_DVB_CX24116=m +CONFIG_DVB_CX24120=m CONFIG_DVB_SI21XX=m CONFIG_DVB_TS2020=m CONFIG_DVB_DS3000=m @@ -3151,6 +3304,7 @@ CONFIG_VGA_ARB_MAX_GPUS=16 # Direct Rendering Manager # CONFIG_DRM=m +CONFIG_DRM_MIPI_DSI=y CONFIG_DRM_KMS_HELPER=m CONFIG_DRM_KMS_FB_HELPER=y # CONFIG_DRM_LOAD_EDID_FIRMWARE is not set @@ -3160,8 +3314,22 @@ CONFIG_DRM_TTM=m # I2C encoder or helper chips # # CONFIG_DRM_I2C_ADV7511 is not set +# CONFIG_DRM_I2C_CH7006 is not set +# CONFIG_DRM_I2C_SIL164 is not set +CONFIG_DRM_PTN3460=m +CONFIG_DRM_PS8622=m CONFIG_DRM_TDFX=m CONFIG_DRM_R128=m +CONFIG_DRM_RADEON=m +# CONFIG_DRM_RADEON_USERPTR is not set +# CONFIG_DRM_RADEON_UMS is not set +CONFIG_DRM_AMDGPU=m +CONFIG_DRM_AMDGPU_CIK=y +CONFIG_DRM_AMDGPU_USERPTR=y +CONFIG_DRM_NOUVEAU=m +CONFIG_NOUVEAU_DEBUG=5 +CONFIG_NOUVEAU_DEBUG_DEFAULT=3 +CONFIG_DRM_NOUVEAU_BACKLIGHT=y CONFIG_DRM_MGA=m CONFIG_DRM_VIA=m CONFIG_DRM_SAVAGE=m @@ -3174,11 +3342,15 @@ CONFIG_DRM_MGAG200=m CONFIG_DRM_CIRRUS_QEMU=m CONFIG_DRM_QXL=m CONFIG_DRM_BOCHS=m +CONFIG_DRM_VIRTIO_GPU=m CONFIG_DRM_PANEL=y # # Display Panels # +CONFIG_DRM_PANEL_SIMPLE=m +CONFIG_DRM_PANEL_S6E8AA0=m +CONFIG_DRM_PANEL_SHARP_LQ101R1SX01=m # # Frame buffer Devices @@ -3200,6 +3372,8 @@ CONFIG_FB_SYS_FOPS=m CONFIG_FB_DEFERRED_IO=y # CONFIG_FB_SVGALIB is not set # CONFIG_FB_MACMODES is not set +CONFIG_FB_BACKLIGHT=y +# CONFIG_FB_MODE_HELPERS is not set CONFIG_FB_TILEBLITTING=y # @@ -3241,6 +3415,7 @@ CONFIG_FB_TILEBLITTING=y # CONFIG_FB_BROADSHEET is not set # CONFIG_FB_AUO_K190X is not set # CONFIG_FB_SIMPLE is not set +# CONFIG_FB_SSD1307 is not set CONFIG_BACKLIGHT_LCD_SUPPORT=y CONFIG_LCD_CLASS_DEVICE=m CONFIG_BACKLIGHT_CLASS_DEVICE=y @@ -3263,6 +3438,7 @@ CONFIG_BACKLIGHT_CLASS_DEVICE=y # CONFIG_BACKLIGHT_LV5207LP is not set # CONFIG_BACKLIGHT_BD6107 is not set # CONFIG_VGASTATE is not set +CONFIG_VIDEOMODE_HELPERS=y CONFIG_HDMI=y # @@ -3297,11 +3473,11 @@ CONFIG_SND_SEQ_HRTIMER_DEFAULT=y CONFIG_SND_DYNAMIC_MINORS=y CONFIG_SND_MAX_CARDS=32 # CONFIG_SND_SUPPORT_OLD_API is not set +CONFIG_SND_PROC_FS=y CONFIG_SND_VERBOSE_PROCFS=y CONFIG_SND_VERBOSE_PRINTK=y # CONFIG_SND_DEBUG is not set CONFIG_SND_VMASTER=y -CONFIG_SND_KCTL_JACK=y CONFIG_SND_RAWMIDI_SEQ=m CONFIG_SND_OPL3_LIB_SEQ=m # CONFIG_SND_OPL4_LIB_SEQ is not set @@ -3390,12 +3566,10 @@ CONFIG_SND_YMFPCI=m # CONFIG_SND_HDA=m CONFIG_SND_HDA_INTEL=m -CONFIG_SND_HDA_PREALLOC_SIZE=64 CONFIG_SND_HDA_HWDEP=y CONFIG_SND_HDA_RECONFIG=y CONFIG_SND_HDA_INPUT_BEEP=y CONFIG_SND_HDA_INPUT_BEEP_MODE=1 -CONFIG_SND_HDA_INPUT_JACK=y # CONFIG_SND_HDA_PATCH_LOADER is not set CONFIG_SND_HDA_CODEC_REALTEK=m CONFIG_SND_HDA_CODEC_ANALOG=m @@ -3412,6 +3586,7 @@ CONFIG_SND_HDA_CODEC_SI3054=m CONFIG_SND_HDA_GENERIC=m CONFIG_SND_HDA_POWER_SAVE_DEFAULT=0 CONFIG_SND_HDA_CORE=m +CONFIG_SND_HDA_PREALLOC_SIZE=64 CONFIG_SND_USB=y CONFIG_SND_USB_AUDIO=m CONFIG_SND_USB_UA101=m @@ -3541,6 +3716,7 @@ CONFIG_USB_OTG=y # CONFIG_USB_OTG_WHITELIST is not set # CONFIG_USB_OTG_BLACKLIST_HUB is not set CONFIG_USB_OTG_FSM=m +CONFIG_USB_ULPI_BUS=m CONFIG_USB_MON=m CONFIG_USB_WUSB_CBAF=m # CONFIG_USB_WUSB_CBAF_DEBUG is not set @@ -3620,6 +3796,7 @@ CONFIG_USB_MUSB_HOST=y # Platform Glue Layer # CONFIG_USB_DWC3=m +CONFIG_USB_DWC3_ULPI=y CONFIG_USB_DWC3_HOST=y # @@ -3637,11 +3814,11 @@ CONFIG_USB_DWC2_HOST=y # # Gadget/Dual-role mode requires USB Gadget support to be enabled # -CONFIG_USB_DWC2_PLATFORM=y CONFIG_USB_DWC2_PCI=y # CONFIG_USB_DWC2_DEBUG is not set # CONFIG_USB_DWC2_TRACK_MISSED_SOFS is not set CONFIG_USB_CHIPIDEA=m +CONFIG_USB_CHIPIDEA_OF=m CONFIG_USB_CHIPIDEA_PCI=m # CONFIG_USB_CHIPIDEA_HOST is not set # CONFIG_USB_CHIPIDEA_DEBUG is not set @@ -3769,6 +3946,8 @@ CONFIG_MMC_BLOCK_BOUNCE=y CONFIG_MMC_SDHCI=m CONFIG_MMC_SDHCI_PCI=m CONFIG_MMC_SDHCI_PLTFM=m +CONFIG_MMC_SDHCI_OF_ARASAN=m +CONFIG_MMC_SDHCI_F_SDH30=m CONFIG_MMC_TIFM_SD=m CONFIG_MMC_CB710=m CONFIG_MMC_VIA_SDMMC=m @@ -3777,6 +3956,7 @@ CONFIG_MMC_USHC=m CONFIG_MMC_USDHI6ROL0=m CONFIG_MMC_REALTEK_USB=m CONFIG_MMC_TOSHIBA_PCI=m +CONFIG_MMC_MTK=m CONFIG_MEMSTICK=m # CONFIG_MEMSTICK_DEBUG is not set @@ -3802,6 +3982,8 @@ CONFIG_LEDS_CLASS_FLASH=m # LED drivers # CONFIG_LEDS_88PM860X=m +CONFIG_LEDS_BCM6328=m +CONFIG_LEDS_BCM6358=m CONFIG_LEDS_LM3530=m CONFIG_LEDS_LM3533=m CONFIG_LEDS_LM3642=m @@ -3826,14 +4008,18 @@ CONFIG_LEDS_REGULATOR=m CONFIG_LEDS_LT3593=m CONFIG_LEDS_ADP5520=m CONFIG_LEDS_TCA6507=m +CONFIG_LEDS_TLC591XX=m +CONFIG_LEDS_MAX77693=m CONFIG_LEDS_MAX8997=m CONFIG_LEDS_LM355x=m CONFIG_LEDS_MENF21BMC=m +CONFIG_LEDS_KTD2692=m # # LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM) # CONFIG_LEDS_BLINKM=m +CONFIG_LEDS_SYSCON=y CONFIG_LEDS_PM8941_WLED=m # @@ -3855,11 +4041,13 @@ CONFIG_LEDS_TRIGGER_TRANSIENT=m CONFIG_LEDS_TRIGGER_CAMERA=m # CONFIG_ACCESSIBILITY is not set # CONFIG_INFINIBAND is not set +CONFIG_EDAC_SUPPORT=y CONFIG_RTC_LIB=y CONFIG_RTC_CLASS=y CONFIG_RTC_HCTOSYS=y -CONFIG_RTC_SYSTOHC=y CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +CONFIG_RTC_SYSTOHC=y +CONFIG_RTC_SYSTOHC_DEVICE="rtc0" # CONFIG_RTC_DEBUG is not set # @@ -3878,17 +4066,22 @@ CONFIG_RTC_DRV_88PM860X=m CONFIG_RTC_DRV_88PM80X=m CONFIG_RTC_DRV_ABB5ZES3=m CONFIG_RTC_DRV_ABX80X=m +CONFIG_RTC_DRV_AS3722=m CONFIG_RTC_DRV_DS1307=m CONFIG_RTC_DRV_DS1374=m CONFIG_RTC_DRV_DS1374_WDT=y CONFIG_RTC_DRV_DS1672=m CONFIG_RTC_DRV_DS3232=m +CONFIG_RTC_DRV_HYM8563=m CONFIG_RTC_DRV_LP8788=m CONFIG_RTC_DRV_MAX6900=m CONFIG_RTC_DRV_MAX8907=m CONFIG_RTC_DRV_MAX8925=m CONFIG_RTC_DRV_MAX8998=m CONFIG_RTC_DRV_MAX8997=m +CONFIG_RTC_DRV_MAX77686=m +CONFIG_RTC_DRV_RK808=m +CONFIG_RTC_DRV_MAX77802=m CONFIG_RTC_DRV_RS5C372=m CONFIG_RTC_DRV_ISL1208=m CONFIG_RTC_DRV_ISL12022=m @@ -3953,7 +4146,8 @@ CONFIG_RTC_DRV_WM8350=m # # on-CPU RTC drivers # -CONFIG_RTC_DRV_XGENE=m +CONFIG_RTC_DRV_SNVS=m +CONFIG_RTC_DRV_MT6397=m # # HID Sensor RTC drivers @@ -3967,8 +4161,10 @@ CONFIG_DMADEVICES=y # CONFIG_HSU_DMA=m CONFIG_HSU_DMA_PCI=m +CONFIG_FSL_EDMA=m CONFIG_DMA_ENGINE=y CONFIG_DMA_VIRTUAL_CHANNELS=m +CONFIG_DMA_OF=y # # DMA Clients @@ -3981,6 +4177,8 @@ CONFIG_UIO=m # CONFIG_UIO_PDRV_GENIRQ is not set # CONFIG_UIO_DMEM_GENIRQ is not set # CONFIG_UIO_NETX is not set +# CONFIG_UIO_PRUSS is not set +# CONFIG_VFIO is not set CONFIG_VIRT_DRIVERS=y CONFIG_VIRTIO=m @@ -4096,6 +4294,7 @@ CONFIG_SENSORS_HMC5843_I2C=m # # Android # +# CONFIG_STAGING_BOARD is not set # CONFIG_USB_WPAN_HCD is not set # CONFIG_WIMAX_GDM72XX is not set # CONFIG_LTE_GDM724X is not set @@ -4103,8 +4302,6 @@ CONFIG_SENSORS_HMC5843_I2C=m # CONFIG_DGNC is not set # CONFIG_DGAP is not set # CONFIG_GS_FPGABOOT is not set -CONFIG_I2O=m -CONFIG_I2O_EXT_ADAPTEC=y CONFIG_CLKDEV_LOOKUP=y CONFIG_HAVE_CLK_PREPARE=y CONFIG_COMMON_CLK=y @@ -4112,7 +4309,12 @@ CONFIG_COMMON_CLK=y # # Common Clock Framework # +CONFIG_COMMON_CLK_MAX_GEN=y +CONFIG_COMMON_CLK_MAX77802=m +CONFIG_COMMON_CLK_RK808=m CONFIG_COMMON_CLK_SI5351=m +CONFIG_COMMON_CLK_SI570=m +CONFIG_COMMON_CLK_CDCE925=m CONFIG_COMMON_CLK_S2MPS11=m CONFIG_CLK_TWL6040=m CONFIG_COMMON_CLK_PALMAS=m @@ -4132,11 +4334,13 @@ CONFIG_COMMON_CLK_CDCE706=m # CONFIG_EM_TIMER_STI is not set CONFIG_MAILBOX=y CONFIG_ALTERA_MBOX=m +CONFIG_IOMMU_API=y CONFIG_IOMMU_SUPPORT=y # # Generic IOMMU Pagetable Support # +CONFIG_OF_IOMMU=y # # Remoteproc drivers @@ -4186,6 +4390,8 @@ CONFIG_IIO_CONSUMERS_PER_TRIGGER=2 CONFIG_KXCJK1013=m # CONFIG_MMA9551 is not set # CONFIG_MMA9553 is not set +# CONFIG_STK8312 is not set +# CONFIG_STK8BA50 is not set # # Analog to digital converters @@ -4201,6 +4407,7 @@ CONFIG_KXCJK1013=m # CONFIG_QCOM_SPMI_VADC is not set # CONFIG_TI_ADC081C is not set CONFIG_TWL4030_MADC=m +CONFIG_VF610_ADC=m # CONFIG_VIPERBOARD_ADC is not set # @@ -4225,7 +4432,9 @@ CONFIG_IIO_ST_SENSORS_CORE=m # CONFIG_AD5064 is not set # CONFIG_AD5380 is not set # CONFIG_AD5446 is not set +# CONFIG_M62332 is not set # CONFIG_MAX517 is not set +CONFIG_MAX5821=m # CONFIG_MCP4725 is not set # @@ -4267,6 +4476,7 @@ CONFIG_DHT11=m # CONFIG_ADJD_S311 is not set # CONFIG_AL3320A is not set # CONFIG_APDS9300 is not set +# CONFIG_BH1750 is not set CONFIG_CM32181=m # CONFIG_CM3232 is not set # CONFIG_CM3323 is not set @@ -4278,6 +4488,7 @@ CONFIG_CM32181=m # CONFIG_JSA1212 is not set # CONFIG_SENSORS_LM3533 is not set # CONFIG_LTR501 is not set +# CONFIG_STK3310 is not set # CONFIG_TCS3414 is not set # CONFIG_TCS3472 is not set # CONFIG_SENSORS_TSL2563 is not set @@ -4291,7 +4502,9 @@ CONFIG_CM32181=m # CONFIG_AK09911 is not set # CONFIG_MAG3110 is not set # CONFIG_HID_SENSOR_MAGNETOMETER_3D is not set +# CONFIG_MMC35240 is not set # CONFIG_IIO_ST_MAGN_3AXIS is not set +# CONFIG_BMC150_MAGN is not set # # Inclinometer sensors @@ -4331,7 +4544,9 @@ CONFIG_IIO_ST_PRESS_I2C=m # # CONFIG_MLX90614 is not set # CONFIG_TMP006 is not set +# CONFIG_NTB is not set # CONFIG_VME_BUS is not set +CONFIG_IRQCHIP=y # CONFIG_IPACK_BUS is not set CONFIG_RESET_CONTROLLER=y # CONFIG_FMC is not set @@ -4340,8 +4555,11 @@ CONFIG_RESET_CONTROLLER=y # PHY Subsystem # CONFIG_GENERIC_PHY=y +CONFIG_PHY_PXA_28NM_HSIC=m +CONFIG_PHY_PXA_28NM_USB2=m CONFIG_BCM_KONA_USB2_PHY=m CONFIG_PHY_SAMSUNG_USB2=m +CONFIG_PHY_TUSB1210=m # CONFIG_POWERCAP is not set # CONFIG_MCB is not set CONFIG_RAS=y @@ -4363,6 +4581,7 @@ CONFIG_THUNDERBOLT=m # # File systems # +CONFIG_DCACHE_WORD_ACCESS=y # CONFIG_EXT2_FS is not set # CONFIG_EXT3_FS is not set CONFIG_EXT4_FS=y @@ -4450,6 +4669,8 @@ CONFIG_FAT_DEFAULT_IOCHARSET="ascii" # CONFIG_PROC_FS=y CONFIG_PROC_SYSCTL=y +CONFIG_PROC_PAGE_MONITOR=y +CONFIG_PROC_CHILDREN=y CONFIG_KERNFS=y CONFIG_SYSFS=y CONFIG_TMPFS=y @@ -4534,6 +4755,7 @@ CONFIG_CIFS_ACL=y # CONFIG_CIFS_DEBUG is not set CONFIG_CIFS_DFS_UPCALL=y CONFIG_CIFS_SMB2=y +CONFIG_CIFS_SMB311=y CONFIG_CIFS_FSCACHE=y # CONFIG_NCP_FS is not set # CONFIG_CODA_FS is not set @@ -4628,12 +4850,15 @@ CONFIG_DEBUG_KERNEL=y # Memory Debugging # # CONFIG_PAGE_EXTENSION is not set +# CONFIG_DEBUG_PAGEALLOC is not set # CONFIG_DEBUG_OBJECTS is not set +# CONFIG_SLUB_STATS is not set CONFIG_HAVE_DEBUG_KMEMLEAK=y # CONFIG_DEBUG_KMEMLEAK is not set # CONFIG_DEBUG_STACK_USAGE is not set # CONFIG_DEBUG_VM is not set CONFIG_DEBUG_MEMORY_INIT=y +# CONFIG_DEBUG_PER_CPU_MAPS is not set CONFIG_DEBUG_SHIRQ=y # @@ -4647,6 +4872,7 @@ CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0 CONFIG_PANIC_ON_OOPS_VALUE=0 CONFIG_PANIC_TIMEOUT=120 # CONFIG_SCHED_DEBUG is not set +CONFIG_SCHED_INFO=y CONFIG_SCHEDSTATS=y CONFIG_SCHED_STACK_END_CHECK=y # CONFIG_DEBUG_TIMEKEEPING is not set @@ -4658,6 +4884,10 @@ CONFIG_TIMER_STATS=y # CONFIG_DEBUG_RT_MUTEXES is not set # CONFIG_DEBUG_SPINLOCK is not set # CONFIG_DEBUG_MUTEXES is not set +# CONFIG_DEBUG_WW_MUTEX_SLOWPATH is not set +# CONFIG_DEBUG_LOCK_ALLOC is not set +# CONFIG_PROVE_LOCKING is not set +# CONFIG_LOCK_STAT is not set # CONFIG_DEBUG_ATOMIC_SLEEP is not set # CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set # CONFIG_LOCK_TORTURE_TEST is not set @@ -4677,7 +4907,9 @@ CONFIG_DEBUG_LIST=y # CONFIG_SPARSE_RCU_POINTER is not set # CONFIG_TORTURE_TEST is not set # CONFIG_RCU_TORTURE_TEST is not set +# CONFIG_RCU_CPU_STALL_INFO is not set # CONFIG_RCU_TRACE is not set +# CONFIG_RCU_EQS_DEBUG is not set # CONFIG_DEBUG_BLOCK_EXT_DEVT is not set # CONFIG_NOTIFIER_ERROR_INJECTION is not set # CONFIG_FAULT_INJECTION is not set @@ -4743,143 +4975,12 @@ CONFIG_ASYNC_RAID6_TEST=m CONFIG_HAVE_ARCH_KGDB=y # CONFIG_KGDB is not set CONFIG_STRICT_DEVMEM=y +CONFIG_DEBUG_RODATA=y +# CONFIG_DEBUG_SET_MODULE_RONX is not set # # Security options # - -# -# Grsecurity -# -CONFIG_PAX_USERCOPY_SLABS=y -CONFIG_GRKERNSEC=y -# CONFIG_GRKERNSEC_CONFIG_AUTO is not set -CONFIG_GRKERNSEC_CONFIG_CUSTOM=y -CONFIG_GRKERNSEC_PROC_GID=10 - -# -# Customize Configuration -# - -# -# PaX -# - -# -# PaX Control -# - -# -# Non-executable pages -# - -# -# Address Space Layout Randomization -# - -# -# Miscellaneous hardening features -# -CONFIG_PAX_MEMORY_SANITIZE=y -CONFIG_PAX_MEMORY_STRUCTLEAK=y -CONFIG_PAX_LATENT_ENTROPY=y - -# -# Memory Protections -# -CONFIG_GRKERNSEC_KMEM=y -CONFIG_GRKERNSEC_BPF_HARDEN=y -# CONFIG_GRKERNSEC_PERF_HARDEN is not set -CONFIG_GRKERNSEC_BRUTE=y -# CONFIG_GRKERNSEC_MODHARDEN is not set -CONFIG_GRKERNSEC_HIDESYM=y -CONFIG_GRKERNSEC_RANDSTRUCT=y -CONFIG_GRKERNSEC_RANDSTRUCT_PERFORMANCE=y - -# -# Role Based Access Control Options -# -CONFIG_GRKERNSEC_NO_RBAC=y -# CONFIG_GRKERNSEC_ACL_HIDEKERN is not set -CONFIG_GRKERNSEC_ACL_MAXTRIES=3 -CONFIG_GRKERNSEC_ACL_TIMEOUT=30 - -# -# Filesystem Protections -# -CONFIG_GRKERNSEC_PROC=y -# CONFIG_GRKERNSEC_PROC_USER is not set -CONFIG_GRKERNSEC_PROC_USERGROUP=y -CONFIG_GRKERNSEC_PROC_ADD=y -CONFIG_GRKERNSEC_LINK=y -# CONFIG_GRKERNSEC_SYMLINKOWN is not set -CONFIG_GRKERNSEC_FIFO=y -CONFIG_GRKERNSEC_SYSFS_RESTRICT=y -# CONFIG_GRKERNSEC_ROFS is not set -CONFIG_GRKERNSEC_DEVICE_SIDECHANNEL=y -CONFIG_GRKERNSEC_CHROOT=y -CONFIG_GRKERNSEC_CHROOT_MOUNT=y -CONFIG_GRKERNSEC_CHROOT_DOUBLE=y -CONFIG_GRKERNSEC_CHROOT_PIVOT=y -CONFIG_GRKERNSEC_CHROOT_CHDIR=y -# CONFIG_GRKERNSEC_CHROOT_CHMOD is not set -CONFIG_GRKERNSEC_CHROOT_FCHDIR=y -# CONFIG_GRKERNSEC_CHROOT_MKNOD is not set -CONFIG_GRKERNSEC_CHROOT_SHMAT=y -CONFIG_GRKERNSEC_CHROOT_UNIX=y -CONFIG_GRKERNSEC_CHROOT_FINDTASK=y -CONFIG_GRKERNSEC_CHROOT_NICE=y -CONFIG_GRKERNSEC_CHROOT_SYSCTL=y -# CONFIG_GRKERNSEC_CHROOT_RENAME is not set -# CONFIG_GRKERNSEC_CHROOT_CAPS is not set -CONFIG_GRKERNSEC_CHROOT_INITRD=y - -# -# Kernel Auditing -# -# CONFIG_GRKERNSEC_AUDIT_GROUP is not set -# CONFIG_GRKERNSEC_EXECLOG is not set -CONFIG_GRKERNSEC_RESLOG=y -# CONFIG_GRKERNSEC_CHROOT_EXECLOG is not set -# CONFIG_GRKERNSEC_AUDIT_PTRACE is not set -# CONFIG_GRKERNSEC_AUDIT_CHDIR is not set -# CONFIG_GRKERNSEC_AUDIT_MOUNT is not set -CONFIG_GRKERNSEC_SIGNAL=y -CONFIG_GRKERNSEC_FORKFAIL=y -# CONFIG_GRKERNSEC_TIME is not set -CONFIG_GRKERNSEC_PROC_IPADDR=y - -# -# Executable Protections -# -CONFIG_GRKERNSEC_DMESG=y -CONFIG_GRKERNSEC_HARDEN_PTRACE=y -CONFIG_GRKERNSEC_PTRACE_READEXEC=y -CONFIG_GRKERNSEC_HARDEN_IPC=y -# CONFIG_GRKERNSEC_TPE is not set - -# -# Network Protections -# -CONFIG_GRKERNSEC_BLACKHOLE=y -CONFIG_GRKERNSEC_NO_SIMULT_CONNECT=y -# CONFIG_GRKERNSEC_SOCKET is not set - -# -# Physical Protections -# -# CONFIG_GRKERNSEC_DENYUSB is not set - -# -# Sysctl Support -# -# CONFIG_GRKERNSEC_SYSCTL is not set - -# -# Logging Options -# -CONFIG_GRKERNSEC_FLOODTIME=10 -CONFIG_GRKERNSEC_FLOODBURST=6 CONFIG_KEYS=y CONFIG_PERSISTENT_KEYRINGS=y # CONFIG_BIG_KEYS is not set @@ -4901,6 +5002,7 @@ CONFIG_SECURITY_SELINUX_CHECKREQPROT_VALUE=1 # CONFIG_SECURITY_SMACK is not set # CONFIG_SECURITY_TOMOYO is not set # CONFIG_SECURITY_APPARMOR is not set +# CONFIG_SECURITY_YAMA is not set CONFIG_INTEGRITY=y CONFIG_INTEGRITY_SIGNATURE=y CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y @@ -4931,13 +5033,18 @@ CONFIG_CRYPTO_HASH=y CONFIG_CRYPTO_HASH2=y CONFIG_CRYPTO_RNG=y CONFIG_CRYPTO_RNG2=y +CONFIG_CRYPTO_RNG_DEFAULT=y CONFIG_CRYPTO_PCOMP=m CONFIG_CRYPTO_PCOMP2=y +CONFIG_CRYPTO_AKCIPHER2=y +CONFIG_CRYPTO_AKCIPHER=m +CONFIG_CRYPTO_RSA=m CONFIG_CRYPTO_MANAGER=y CONFIG_CRYPTO_MANAGER2=y # CONFIG_CRYPTO_USER is not set # CONFIG_CRYPTO_MANAGER_DISABLE_TESTS is not set -CONFIG_CRYPTO_NULL=m +CONFIG_CRYPTO_NULL=y +CONFIG_CRYPTO_PCRYPT=m CONFIG_CRYPTO_WORKQUEUE=y CONFIG_CRYPTO_CRYPTD=y CONFIG_CRYPTO_MCRYPTD=m @@ -4949,7 +5056,9 @@ CONFIG_CRYPTO_TEST=m # CONFIG_CRYPTO_CCM=m CONFIG_CRYPTO_GCM=m +CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_SEQIV=y +CONFIG_CRYPTO_ECHAINIV=m # # Block modes @@ -4975,6 +5084,7 @@ CONFIG_CRYPTO_CRC32C=y CONFIG_CRYPTO_CRC32=y CONFIG_CRYPTO_CRCT10DIF=y CONFIG_CRYPTO_GHASH=m +CONFIG_CRYPTO_POLY1305=m CONFIG_CRYPTO_MD4=m CONFIG_CRYPTO_MD5=y CONFIG_CRYPTO_MICHAEL_MIC=m @@ -5004,6 +5114,7 @@ CONFIG_CRYPTO_DES=m CONFIG_CRYPTO_FCRYPT=m CONFIG_CRYPTO_KHAZAD=m CONFIG_CRYPTO_SALSA20=m +CONFIG_CRYPTO_CHACHA20=m CONFIG_CRYPTO_SEED=m CONFIG_CRYPTO_SERPENT=m CONFIG_CRYPTO_TEA=m @@ -5016,6 +5127,7 @@ CONFIG_CRYPTO_TWOFISH_COMMON=m CONFIG_CRYPTO_DEFLATE=m CONFIG_CRYPTO_ZLIB=m CONFIG_CRYPTO_LZO=m +CONFIG_CRYPTO_842=m CONFIG_CRYPTO_LZ4=m CONFIG_CRYPTO_LZ4HC=m @@ -5023,11 +5135,17 @@ CONFIG_CRYPTO_LZ4HC=m # Random Number Generation # CONFIG_CRYPTO_ANSI_CPRNG=m -# CONFIG_CRYPTO_DRBG_MENU is not set +CONFIG_CRYPTO_DRBG_MENU=y +CONFIG_CRYPTO_DRBG_HMAC=y +CONFIG_CRYPTO_DRBG_HASH=y +CONFIG_CRYPTO_DRBG_CTR=y +CONFIG_CRYPTO_DRBG=y +CONFIG_CRYPTO_JITTERENTROPY=y CONFIG_CRYPTO_USER_API=y CONFIG_CRYPTO_USER_API_HASH=y CONFIG_CRYPTO_USER_API_SKCIPHER=y CONFIG_CRYPTO_USER_API_RNG=y +CONFIG_CRYPTO_USER_API_AEAD=y CONFIG_CRYPTO_HASH_INFO=y CONFIG_CRYPTO_HW=y CONFIG_ASYMMETRIC_KEY_TYPE=y @@ -5050,6 +5168,7 @@ CONFIG_GENERIC_STRNLEN_USER=y CONFIG_GENERIC_NET_UTILS=y CONFIG_GENERIC_PCI_IOMAP=y CONFIG_GENERIC_IO=y +CONFIG_PERCPU_RWSEM=y CONFIG_CRC_CCITT=y CONFIG_CRC16=y CONFIG_CRC_T10DIF=y @@ -5064,6 +5183,8 @@ CONFIG_CRC7=m CONFIG_LIBCRC32C=m CONFIG_CRC8=m CONFIG_RANDOM32_SELFTEST=y +CONFIG_842_COMPRESS=m +CONFIG_842_DECOMPRESS=m CONFIG_ZLIB_INFLATE=y CONFIG_ZLIB_DEFLATE=y CONFIG_LZO_COMPRESS=y @@ -5091,10 +5212,12 @@ CONFIG_TEXTSEARCH=y CONFIG_TEXTSEARCH_KMP=m CONFIG_TEXTSEARCH_BM=m CONFIG_TEXTSEARCH_FSM=m +CONFIG_INTERVAL_TREE=y CONFIG_ASSOCIATIVE_ARRAY=y CONFIG_HAS_IOMEM=y CONFIG_HAS_DMA=y CONFIG_CHECK_SIGNATURE=y +CONFIG_CPU_RMAP=y CONFIG_DQL=y CONFIG_GLOB=y # CONFIG_GLOB_SELFTEST is not set diff --git a/kernel/config-i686-default b/kernel/config-i686-default index e35bd6d..c54e3ee 100644 --- a/kernel/config-i686-default +++ b/kernel/config-i686-default @@ -18,11 +18,6 @@ CONFIG_NO_HZ_IDLE=y CONFIG_IRQ_TIME_ACCOUNTING=y # -# RCU Subsystem -# -CONFIG_RCU_FANOUT=32 - -# # Kernel Performance Events And Counters # CONFIG_ARCH_WANT_IPC_PARSE_VERSION=y @@ -70,7 +65,6 @@ CONFIG_M686=y # CONFIG_MVIAC7 is not set CONFIG_X86_GENERIC=y # CONFIG_X86_PPRO_FENCE is not set -CONFIG_X86_ALIGNMENT_16=y CONFIG_X86_INTEL_USERCOPY=y CONFIG_X86_USE_PPRO_CHECKSUM=y CONFIG_X86_MINIMUM_CPU_FAMILY=5 @@ -79,6 +73,7 @@ CONFIG_CPU_SUP_TRANSMETA_32=y CONFIG_CPU_SUP_UMC_32=y # CONFIG_X86_ANCIENT_MCE is not set CONFIG_VM86=y +CONFIG_X86_ESPFIX32=y CONFIG_TOSHIBA=m # CONFIG_X86_REBOOTFIXUPS is not set # CONFIG_NOHIGHMEM is not set @@ -162,6 +157,11 @@ CONFIG_PCI_BIOS=y # CONFIG_HOTPLUG_PCI_SHPC is not set # +# Executable file formats / Emulations +# +# CONFIG_BINFMT_AOUT is not set + +# # Misc devices # CONFIG_IBM_ASM=m @@ -194,6 +194,7 @@ CONFIG_PCH_GBE=m # # Input Device Drivers # +# CONFIG_KEYBOARD_STMPE is not set # CONFIG_INPUT_WISTRON_BTNS is not set # @@ -220,6 +221,7 @@ CONFIG_I2C_SIS630=m # CONFIG_I2C_DESIGNWARE_BAYTRAIL=y # CONFIG_I2C_EG20T is not set +# CONFIG_I2C_PXA is not set # # Other I2C/SMBus bus drivers @@ -234,24 +236,39 @@ CONFIG_PTP_1588_CLOCK_PCH=m # # MFD GPIO expanders # -# CONFIG_GPIO_CS5535 is not set +CONFIG_GPIO_CS5535=m +# CONFIG_GPIO_TC3589X is not set # # PCI GPIO expanders # -# CONFIG_GPIO_PCH is not set +CONFIG_GPIO_PCH=m + +# +# USB GPIO expanders +# +# CONFIG_POWER_RESET_AS3722 is not set + +# +# ACPI drivers +# +CONFIG_INTEL_QUARK_DTS_THERMAL=m # # Watchdog Device Drivers # CONFIG_GEODE_WDT=m -# CONFIG_SBC8360_WDT is not set -# CONFIG_SBC7240_WDT is not set +CONFIG_SBC8360_WDT=m +CONFIG_SBC7240_WDT=m # # Multifunction device drivers # CONFIG_MFD_CS5535=m + +# +# STMicroelectronics STMPE Interface Drivers +# # CONFIG_MFD_TIMBERDALE is not set # @@ -279,6 +296,7 @@ CONFIG_VIDEO_OV7670=m # # CONFIG_FB_I810 is not set # CONFIG_FB_GEODE is not set +# CONFIG_BACKLIGHT_OT200 is not set # # Console display driver support @@ -310,6 +328,7 @@ CONFIG_PCH_DMA=m # # Android # +# CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set CONFIG_TC1100_WMI=m CONFIG_INTEL_IMR=y @@ -329,24 +348,7 @@ CONFIG_CLKSRC_I8253=y # CONFIG_DEBUG_IMR_SELFTEST is not set # -# Grsecurity -# -CONFIG_ARCH_TRACK_EXEC_LIMIT=y - -# -# Non-executable pages -# -CONFIG_PAX_SEGMEXEC=y -CONFIG_PAX_KERNEXEC_PLUGIN_METHOD="" -CONFIG_PAX_KERNEXEC_MODULE_TEXT=8 - -# -# Memory Protections -# -CONFIG_GRKERNSEC_VM86=y - -# -# Logging Options +# Security options # # CONFIG_INTEL_TXT is not set @@ -359,7 +361,7 @@ CONFIG_CRYPTO_GLUE_HELPER_X86=m # Ciphers # CONFIG_CRYPTO_AES_586=y -# CONFIG_CRYPTO_SALSA20_586 is not set +CONFIG_CRYPTO_SALSA20_586=m CONFIG_CRYPTO_SERPENT_SSE2_586=m CONFIG_CRYPTO_TWOFISH_586=m diff --git a/kernel/config-i686-legacy b/kernel/config-i686-legacy index 37098b7..b6253f5 100644 --- a/kernel/config-i686-legacy +++ b/kernel/config-i686-legacy @@ -7,16 +7,7 @@ CONFIG_HIGHMEM4G=y # CONFIG_HIGHMEM64G is not set # CONFIG_VMSPLIT_3G_OPT is not set # CONFIG_VMSPLIT_2G_OPT is not set - -# -# Power management and ACPI options -# -CONFIG_PM_OPP=y - -# -# CPU frequency scaling drivers -# -CONFIG_CPUFREQ_DT=m +# CONFIG_PHYS_ADDR_T_64BIT is not set # # Bus options (PCI etc.) @@ -51,49 +42,13 @@ CONFIG_CMA_ALIGNMENT=8 # # Bus devices # -CONFIG_OF=y - -# -# Device Tree and Open Firmware support -# CONFIG_OF_PROMTREE=y -CONFIG_OF_ADDRESS=y -CONFIG_OF_ADDRESS_PCI=y -CONFIG_OF_IRQ=y -CONFIG_OF_NET=y -CONFIG_OF_MDIO=y -CONFIG_OF_PCI=y -CONFIG_OF_PCI_IRQ=y -# CONFIG_OF_OVERLAY is not set - -# -# PIO-only SFF controllers -# -# CONFIG_PATA_OF_PLATFORM is not set - -# -# Distributed Switch Architecture drivers -# -CONFIG_ARC_EMAC_CORE=m -# CONFIG_ARC_EMAC is not set -CONFIG_EMAC_ROCKCHIP=m -CONFIG_SYSTEMPORT=m - -# -# MII PHY device drivers -# -CONFIG_MDIO_BUS_MUX=m -CONFIG_MDIO_BUS_MUX_GPIO=m -CONFIG_MDIO_BUS_MUX_MMIOREG=m # # Input Device Drivers # CONFIG_KEYBOARD_STMPE=m -CONFIG_KEYBOARD_OMAP4=m CONFIG_KEYBOARD_TC3589X=m -CONFIG_KEYBOARD_CAP11XX=m -CONFIG_KEYBOARD_BCM=m CONFIG_MOUSE_PS2_OLPC=y CONFIG_INPUT_MAX77693_HAPTIC=m CONFIG_INPUT_MAX8997_HAPTIC=m @@ -103,7 +58,6 @@ CONFIG_INPUT_PWM_BEEPER=m # # Hardware I/O ports # -CONFIG_SERIO_APBPS2=m # CONFIG_SERIO_OLPC_APSP is not set # @@ -115,65 +69,22 @@ CONFIG_SERIO_APBPS2=m # Non-8250 serial port support # CONFIG_SERIAL_OF_PLATFORM=y -# CONFIG_SERIAL_XILINX_PS_UART is not set -CONFIG_SERIAL_CONEXANT_DIGICOLOR=m - -# -# Multiplexer I2C Chip support -# -# CONFIG_I2C_ARB_GPIO_CHALLENGE is not set - -# -# I2C system bus drivers (mostly embedded / system-on-chip) -# -CONFIG_I2C_PXA=m -CONFIG_I2C_PXA_PCI=y -CONFIG_I2C_RK3X=m # # Pin controllers # CONFIG_PINCTRL_AS3722=y -# CONFIG_PINCTRL_SINGLE is not set -CONFIG_PINCTRL_PALMAS=y -CONFIG_OF_GPIO=y - -# -# Memory mapped GPIO drivers -# -CONFIG_GPIO_74XX_MMIO=m -CONFIG_GPIO_ALTERA=m -# CONFIG_GPIO_GRGPIO is not set -# CONFIG_GPIO_SYSCON is not set -# CONFIG_GPIO_XILINX is not set - -# -# I2C GPIO expanders -# -CONFIG_GPIO_ADNP=m # # MFD GPIO expanders # CONFIG_GPIO_CS5535=y -# CONFIG_GPIO_STMPE is not set -# CONFIG_GPIO_TC3589X is not set - -# -# PCI GPIO expanders -# -# CONFIG_GPIO_SODAVILLE is not set # # USB GPIO expanders # CONFIG_BATTERY_OLPC=y CONFIG_POWER_RESET_AS3722=y -CONFIG_POWER_RESET_GPIO=y -CONFIG_POWER_RESET_GPIO_RESTART=y -CONFIG_POWER_RESET_LTC2952=y -CONFIG_POWER_RESET_SYSCON=y -CONFIG_POWER_RESET_SYSCON_POWEROFF=y # # Native drivers @@ -184,74 +95,24 @@ CONFIG_SENSORS_PWM_FAN=m # ACPI drivers # # CONFIG_THERMAL_OF is not set -CONFIG_CLOCK_THERMAL=y - -# -# Watchdog Device Drivers -# -# CONFIG_GPIO_WATCHDOG is not set # # Multifunction device drivers # -CONFIG_MFD_AS3722=y -CONFIG_MFD_ATMEL_HLCDC=m -CONFIG_MFD_HI6421_PMIC=m -CONFIG_MFD_MAX77686=y CONFIG_MFD_RK808=y -CONFIG_MFD_STMPE=y # # STMicroelectronics STMPE Interface Drivers # -CONFIG_STMPE_I2C=y -CONFIG_MFD_TC3589X=y -CONFIG_REGULATOR_AS3722=m -CONFIG_REGULATOR_HI6421=m -CONFIG_REGULATOR_MAX77686=m -CONFIG_REGULATOR_MAX77802=m CONFIG_REGULATOR_PWM=m -CONFIG_REGULATOR_RK808=m -CONFIG_REGULATOR_TPS65218=m - -# -# Media digital TV PCI Adapters -# -# CONFIG_VIDEO_XILINX is not set - -# -# I2C encoder or helper chips -# -CONFIG_DRM_PTN3460=m -CONFIG_DRM_PS8622=m - -# -# Display Panels -# -# CONFIG_DRM_PANEL_SIMPLE is not set -# CONFIG_DRM_PANEL_S6E8AA0 is not set -# CONFIG_DRM_PANEL_SHARP_LQ101R1SX01 is not set # # Frame buffer hardware drivers # -# CONFIG_FB_SSD1307 is not set CONFIG_BACKLIGHT_PWM=m # CONFIG_BACKLIGHT_LM3630A is not set # CONFIG_BACKLIGHT_LP855X is not set # CONFIG_BACKLIGHT_LP8788 is not set -# CONFIG_BACKLIGHT_OT200 is not set - -# -# Gadget/Dual-role mode requires USB Gadget support to be enabled -# -CONFIG_USB_CHIPIDEA_OF=m - -# -# MMC/SD/SDIO Host Controller Drivers -# -CONFIG_MMC_SDHCI_OF_ARASAN=m -CONFIG_MMC_SDHCI_F_SDH30=m # # LED drivers @@ -259,31 +120,6 @@ CONFIG_MMC_SDHCI_F_SDH30=m CONFIG_LEDS_PWM=m # -# LED driver for blink(1) USB RGB LED is under Special HID drivers (HID_THINGM) -# -CONFIG_LEDS_SYSCON=y - -# -# I2C RTC drivers -# -CONFIG_RTC_DRV_AS3722=m -CONFIG_RTC_DRV_HYM8563=m -CONFIG_RTC_DRV_MAX77686=m -CONFIG_RTC_DRV_RK808=m -CONFIG_RTC_DRV_MAX77802=m - -# -# on-CPU RTC drivers -# -CONFIG_RTC_DRV_SNVS=m - -# -# DMA Devices -# -CONFIG_FSL_EDMA=m -CONFIG_DMA_OF=y - -# # Microsoft Hyper-V guest support # # CONFIG_FB_OLPC_DCON is not set @@ -291,37 +127,16 @@ CONFIG_DMA_OF=y # # Android # -# CONFIG_COMMON_CLK_XLNX_CLKWZRD is not set CONFIG_XO1_RFKILL=m # CONFIG_XO15_EBOOK is not set # # Common Clock Framework # -CONFIG_COMMON_CLK_MAX_GEN=y -CONFIG_COMMON_CLK_MAX77686=m -CONFIG_COMMON_CLK_MAX77802=m -CONFIG_COMMON_CLK_RK808=m # CONFIG_COMMON_CLK_SI5351 is not set -CONFIG_COMMON_CLK_SI570=m CONFIG_COMMON_CLK_PWM=m # -# Generic IOMMU Pagetable Support -# -CONFIG_OF_IOMMU=y - -# -# Analog to digital converters -# -CONFIG_VF610_ADC=m - -# -# Digital to analog converters -# -CONFIG_MAX5821=m - -# # Temperature sensors # CONFIG_PWM=y @@ -335,12 +150,6 @@ CONFIG_PWM_LPSS_PLATFORM=m CONFIG_PWM_PCA9685=m CONFIG_PWM_TWL=m CONFIG_PWM_TWL_LED=m -CONFIG_IRQCHIP=y - -# -# Non-executable pages -# -CONFIG_PAX_KERNEXEC_MODULE_TEXT=4 # # Random Number Generation diff --git a/kernel/config-x86-generic b/kernel/config-x86-generic index cc84a77..c448f57 100644 --- a/kernel/config-x86-generic +++ b/kernel/config-x86-generic @@ -12,7 +12,6 @@ CONFIG_ARCH_HIBERNATION_POSSIBLE=y CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y CONFIG_ARCH_SUPPORTS_OPTIMIZED_INLINING=y CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y -CONFIG_X86_HT=y CONFIG_ARCH_SUPPORTS_UPROBES=y CONFIG_FIX_EARLYCON_MEM=y @@ -29,62 +28,45 @@ CONFIG_KERNEL_XZ=y # # IRQ subsystem # -CONFIG_GENERIC_IRQ_LEGACY_ALLOC_HWIRQ=y CONFIG_GENERIC_PENDING_IRQ=y CONFIG_GENERIC_MSI_IRQ=y -CONFIG_IRQ_FORCED_THREADING=y +CONFIG_GENERIC_MSI_IRQ_DOMAIN=y CONFIG_CLOCKSOURCE_WATCHDOG=y CONFIG_ARCH_CLOCKSOURCE_DATA=y CONFIG_CLOCKSOURCE_VALIDATE_LAST_CYCLE=y -CONFIG_GENERIC_TIME_VSYSCALL=y -CONFIG_GENERIC_CLOCKEVENTS_BROADCAST=y CONFIG_GENERIC_CLOCKEVENTS_MIN_ADJUST=y CONFIG_GENERIC_CMOS_UPDATE=y # # RCU Subsystem # -CONFIG_TREE_RCU=y -CONFIG_RCU_STALL_COMMON=y -CONFIG_RCU_FANOUT_LEAF=16 -# CONFIG_RCU_FANOUT_EXACT is not set -CONFIG_RCU_FAST_NO_HZ=y -CONFIG_RCU_NOCB_CPU=y # CONFIG_RCU_NOCB_CPU_NONE is not set -# CONFIG_RCU_NOCB_CPU_ZERO is not set CONFIG_RCU_NOCB_CPU_ALL=y -CONFIG_LOG_CPU_MAX_BUF_SHIFT=12 CONFIG_SYSCTL_EXCEPTION_TRACE=y CONFIG_PCSPKR_PLATFORM=y # # Kernel Performance Events And Counters # -# CONFIG_SLUB_DEBUG is not set -# CONFIG_SLAB is not set -CONFIG_SLUB=y -CONFIG_SLUB_CPU_PARTIAL=y CONFIG_OPROFILE_NMI_TIMER=y # CONFIG_KPROBES is not set CONFIG_ARCH_USE_BUILTIN_BSWAP=y CONFIG_USER_RETURN_NOTIFIER=y +CONFIG_ARCH_WANTS_DYNAMIC_TASK_STRUCT=y CONFIG_ARCH_HAVE_NMI_SAFE_CMPXCHG=y # # IO Schedulers # CONFIG_PREEMPT_NOTIFIERS=y -CONFIG_PADATA=y -CONFIG_MUTEX_SPIN_ON_OWNER=y -CONFIG_RWSEM_SPIN_ON_OWNER=y -CONFIG_LOCK_SPIN_ON_OWNER=y -CONFIG_ARCH_USE_QUEUE_RWLOCK=y -CONFIG_QUEUE_RWLOCK=y +CONFIG_ARCH_USE_QUEUED_SPINLOCKS=y +CONFIG_QUEUED_SPINLOCKS=y +CONFIG_ARCH_USE_QUEUED_RWLOCKS=y +CONFIG_QUEUED_RWLOCKS=y # # Processor type and features # -CONFIG_SMP=y CONFIG_X86_FEATURE_NAMES=y CONFIG_X86_MPPARSE=y CONFIG_X86_EXTENDED_PLATFORM=y @@ -98,7 +80,6 @@ CONFIG_HYPERVISOR_GUEST=y CONFIG_PARAVIRT=y # CONFIG_PARAVIRT_DEBUG is not set # CONFIG_PARAVIRT_SPINLOCKS is not set -# CONFIG_XEN is not set CONFIG_KVM_GUEST=y # CONFIG_KVM_DEBUG_FS is not set CONFIG_PARAVIRT_TIME_ACCOUNTING=y @@ -120,8 +101,6 @@ CONFIG_HPET_TIMER=y CONFIG_HPET_EMULATE_RTC=y CONFIG_DMI=y CONFIG_NR_CPUS=64 -CONFIG_SCHED_SMT=y -CONFIG_SCHED_MC=y CONFIG_X86_LOCAL_APIC=y CONFIG_X86_IO_APIC=y CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y @@ -131,6 +110,7 @@ CONFIG_X86_MCE_AMD=y CONFIG_X86_MCE_THRESHOLD=y # CONFIG_X86_MCE_INJECT is not set CONFIG_X86_THERMAL_VECTOR=y +CONFIG_X86_16BIT=y CONFIG_I8K=m CONFIG_MICROCODE=m CONFIG_MICROCODE_INTEL=y @@ -144,18 +124,18 @@ CONFIG_ARCH_SPARSEMEM_ENABLE=y CONFIG_ARCH_SELECT_MEMORY_MODEL=y CONFIG_SELECT_MEMORY_MODEL=y CONFIG_ARCH_DISCARD_MEMBLOCK=y -CONFIG_SPLIT_PTLOCK_CPUS=4 CONFIG_ARCH_ENABLE_SPLIT_PMD_PTLOCK=y CONFIG_PHYS_ADDR_T_64BIT=y CONFIG_VIRT_TO_BUS=y -CONFIG_MMU_NOTIFIER=y CONFIG_DEFAULT_MMAP_MIN_ADDR=4096 CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y CONFIG_MEMORY_FAILURE=y +# CONFIG_HWPOISON_INJECT is not set CONFIG_TRANSPARENT_HUGEPAGE=y CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y # CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set CONFIG_GENERIC_EARLY_IOREMAP=y +CONFIG_ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT=y CONFIG_X86_PMEM_LEGACY=y CONFIG_X86_CHECK_BIOS_CORRUPTION=y CONFIG_X86_BOOTPARAM_MEMORY_CORRUPTION_CHECK=y @@ -177,27 +157,28 @@ CONFIG_HZ_300=y # CONFIG_HZ_1000 is not set CONFIG_HZ=300 CONFIG_SCHED_HRTICK=y +# CONFIG_KEXEC is not set CONFIG_CRASH_DUMP=y CONFIG_RELOCATABLE=y CONFIG_RANDOMIZE_BASE=y CONFIG_X86_NEED_RELOCS=y -CONFIG_HOTPLUG_CPU=y # CONFIG_BOOTPARAM_HOTPLUG_CPU0 is not set # CONFIG_DEBUG_HOTPLUG_CPU0 is not set +# CONFIG_COMPAT_VDSO is not set # CONFIG_CMDLINE_BOOL is not set -# CONFIG_DEFAULT_MODIFY_LDT_SYSCALL is not set CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y # # Power management and ACPI options # -CONFIG_PM_SLEEP_SMP=y +# CONFIG_HIBERNATION is not set CONFIG_ACPI=y CONFIG_ACPI_LEGACY_TABLES_LOOKUP=y CONFIG_ARCH_MIGHT_HAVE_ACPI_PDC=y CONFIG_ACPI_SYSTEM_POWER_STATES_SUPPORT=y CONFIG_ACPI_SLEEP=y # CONFIG_ACPI_PROCFS_POWER is not set +CONFIG_ACPI_REV_OVERRIDE_POSSIBLE=y # CONFIG_ACPI_EC_DEBUGFS is not set CONFIG_ACPI_AC=y CONFIG_ACPI_BATTERY=y @@ -222,6 +203,7 @@ CONFIG_ACPI_HED=y CONFIG_ACPI_CUSTOM_METHOD=m # CONFIG_ACPI_BGRT is not set # CONFIG_ACPI_REDUCED_HARDWARE_ONLY is not set +CONFIG_ACPI_NFIT=m CONFIG_ACPI_APEI=y CONFIG_ACPI_APEI_GHES=y CONFIG_ACPI_APEI_PCIEAER=y @@ -266,7 +248,6 @@ CONFIG_INTEL_IDLE=y # CONFIG_PCI_DIRECT=y CONFIG_PCI_MMCONFIG=y -CONFIG_PCI_DOMAINS=y # CONFIG_PCI_CNB20LE_QUIRK is not set CONFIG_HOTPLUG_PCI_PCIE=y CONFIG_PCIE_ECRC=y @@ -275,6 +256,7 @@ CONFIG_PCIEAER_INJECT=m CONFIG_PCIEASPM_POWERSAVE=y CONFIG_PCI_BUS_ADDR_T_64BIT=y CONFIG_PCI_MSI=y +CONFIG_PCI_MSI_IRQ_DOMAIN=y CONFIG_PCI_STUB=y CONFIG_HT_IRQ=y CONFIG_PCI_ATS=y @@ -315,10 +297,6 @@ CONFIG_PMC_ATOM=y # Classification # CONFIG_VMWARE_VMCI_VSOCKETS=m -CONFIG_RPS=y -CONFIG_RFS_ACCEL=y -CONFIG_XPS=y -CONFIG_NET_FLOW_LIMIT=y # # Bluetooth device drivers @@ -331,9 +309,7 @@ CONFIG_RFKILL_GPIO=m # # Generic Driver Options # -CONFIG_FW_LOADER_USER_HELPER=y # CONFIG_FW_LOADER_USER_HELPER_FALLBACK is not set -CONFIG_WANT_DEV_COREDUMP=y CONFIG_GENERIC_CPU_AUTOPROBE=y # CONFIG_DMA_CMA is not set @@ -387,7 +363,7 @@ CONFIG_INTEL_MEI_TXE=m CONFIG_VMWARE_VMCI=m # -# Intel MIC Card Driver +# SCIF Driver # # CONFIG_IDE is not set @@ -419,6 +395,11 @@ CONFIG_ATA_ACPI=y # CONFIG_SATA_ZPODD is not set # +# PIO-only SFF controllers +# +CONFIG_PATA_OF_PLATFORM=m + +# # Generic fallback / legacy drivers # CONFIG_PATA_ACPI=m @@ -454,6 +435,7 @@ CONFIG_ATM_SOLOS=m CONFIG_VHOST_NET=m CONFIG_VHOST_RING=m CONFIG_VHOST=m +# CONFIG_VHOST_CROSS_ENDIAN_LEGACY is not set # # Distributed Switch Architecture drivers @@ -518,6 +500,7 @@ CONFIG_INPUT_MATRIXKMAP=m # CONFIG_KEYBOARD_ADP5520=m CONFIG_KEYBOARD_SAMSUNG=m +CONFIG_KEYBOARD_CAP11XX=m CONFIG_MOUSE_PS2_LIFEBOOK=y CONFIG_MOUSE_PS2_VMMOUSE=y CONFIG_INPUT_PCSPKR=m @@ -558,7 +541,9 @@ CONFIG_SERIAL_8250_FINTEK=m # Non-8250 serial port support # CONFIG_SERIAL_JSM=m +CONFIG_SERIAL_OF_PLATFORM=m CONFIG_SERIAL_SCCNXP=m +CONFIG_SERIAL_XILINX_PS_UART=m CONFIG_SERIAL_ARC=m CONFIG_SERIAL_ARC_NR_PORTS=1 CONFIG_SERIAL_RP2=m @@ -584,6 +569,7 @@ CONFIG_ACPI_I2C_OPREGION=y # # Multiplexer I2C Chip support # +CONFIG_I2C_ARB_GPIO_CHALLENGE=m CONFIG_I2C_MUX_PINCTRL=m # @@ -635,29 +621,33 @@ CONFIG_PINMUX=y CONFIG_PINCONF=y CONFIG_GENERIC_PINCONF=y # CONFIG_DEBUG_PINCTRL is not set +# CONFIG_PINCTRL_AS3722 is not set CONFIG_PINCTRL_AMD=y +CONFIG_PINCTRL_SINGLE=m +CONFIG_PINCTRL_PALMAS=y # CONFIG_PINCTRL_BAYTRAIL is not set CONFIG_PINCTRL_CHERRYVIEW=m CONFIG_PINCTRL_INTEL=m CONFIG_PINCTRL_SUNRISEPOINT=m CONFIG_GPIO_ACPI=y -CONFIG_GPIO_GENERIC=m # # Memory mapped GPIO drivers # CONFIG_GPIO_DWAPB=m # CONFIG_GPIO_F7188X is not set -# CONFIG_GPIO_GENERIC_PLATFORM is not set +CONFIG_GPIO_GRGPIO=m CONFIG_GPIO_ICH=m # CONFIG_GPIO_IT8761E is not set # CONFIG_GPIO_LYNXPOINT is not set CONFIG_GPIO_SCH=m +CONFIG_GPIO_XILINX=m # # PCI GPIO expanders # # CONFIG_GPIO_INTEL_MID is not set +CONFIG_GPIO_SODAVILLE=y # # USB GPIO expanders @@ -687,6 +677,7 @@ CONFIG_SENSORS_K10TEMP=m CONFIG_SENSORS_FAM15H_POWER=m CONFIG_SENSORS_APPLESMC=m CONFIG_SENSORS_ASB100=m +CONFIG_SENSORS_DELL_SMM=m CONFIG_SENSORS_FSCHMD=m CONFIG_SENSORS_I5500=m CONFIG_SENSORS_CORETEMP=m @@ -699,6 +690,7 @@ CONFIG_SENSORS_ACPI_POWER=m CONFIG_SENSORS_ATK0110=m CONFIG_INTEL_POWERCLAMP=m CONFIG_X86_PKG_TEMP_THERMAL=m +CONFIG_INTEL_SOC_DTS_IOSF_CORE=m CONFIG_INTEL_SOC_DTS_THERMAL=m CONFIG_INT340X_THERMAL=m CONFIG_ACPI_THERMAL_REL=m @@ -746,10 +738,15 @@ CONFIG_WDTPCI=m # # Multifunction device drivers # +CONFIG_MFD_ATMEL_HLCDC=m CONFIG_MFD_INTEL_QUARK_I2C_GPIO=m CONFIG_LPC_ICH=m CONFIG_MFD_RTSX_PCI=m # CONFIG_ABX500_CORE is not set + +# +# STMicroelectronics STMPE Interface Drivers +# CONFIG_MFD_VX855=m CONFIG_REGULATOR_FIXED_VOLTAGE=m CONFIG_REGULATOR_VIRTUAL_CONSUMER=m @@ -916,23 +913,9 @@ CONFIG_INTEL_GTT=y CONFIG_VGA_SWITCHEROO=y # -# Direct Rendering Manager -# -CONFIG_DRM_MIPI_DSI=y - -# # I2C encoder or helper chips # -# CONFIG_DRM_I2C_CH7006 is not set -# CONFIG_DRM_I2C_SIL164 is not set CONFIG_DRM_I2C_NXP_TDA998X=m -CONFIG_DRM_RADEON=m -# CONFIG_DRM_RADEON_USERPTR is not set -# CONFIG_DRM_RADEON_UMS is not set -CONFIG_DRM_NOUVEAU=m -CONFIG_NOUVEAU_DEBUG=5 -CONFIG_NOUVEAU_DEBUG_DEFAULT=3 -CONFIG_DRM_NOUVEAU_BACKLIGHT=y CONFIG_DRM_I810=m CONFIG_DRM_I915=m CONFIG_DRM_I915_KMS=y @@ -944,12 +927,6 @@ CONFIG_DRM_GMA600=y CONFIG_DRM_GMA3600=y # -# Frame buffer Devices -# -CONFIG_FB_BACKLIGHT=y -# CONFIG_FB_MODE_HELPERS is not set - -# # Frame buffer hardware drivers # # CONFIG_FB_ARC is not set @@ -1019,6 +996,7 @@ CONFIG_MEMSTICK_REALTEK_PCI=m # # LED drivers # +CONFIG_LEDS_AAT1290=m CONFIG_LEDS_CLEVO_MAIL=m CONFIG_LEDS_INTEL_SS4200=m CONFIG_LEDS_DELL_NETBOOKS=m @@ -1026,6 +1004,7 @@ CONFIG_LEDS_DELL_NETBOOKS=m # # iptables trigger is under Netfilter config (LED target) # +CONFIG_EDAC_ATOMIC_SCRUB=y CONFIG_EDAC=y # CONFIG_EDAC_LEGACY_SYSFS is not set # CONFIG_EDAC_DEBUG is not set @@ -1069,7 +1048,6 @@ CONFIG_UIO_AEC=m CONFIG_UIO_SERCOS3=m CONFIG_UIO_PCI_GENERIC=m CONFIG_UIO_MF624=m -# CONFIG_VFIO is not set # # Microsoft Hyper-V guest support @@ -1081,14 +1059,6 @@ CONFIG_UIO_MF624=m # # Android # -# CONFIG_I2O_LCT_NOTIFY_ON_CHANGES is not set -CONFIG_I2O_EXT_ADAPTEC_DMA64=y -CONFIG_I2O_CONFIG=m -CONFIG_I2O_CONFIG_OLD_IOCTL=y -CONFIG_I2O_BUS=m -CONFIG_I2O_BLOCK=m -CONFIG_I2O_SCSI=m -CONFIG_I2O_PROC=m CONFIG_X86_PLATFORM_DEVICES=y CONFIG_ACER_WMI=m CONFIG_ACERHDF=m @@ -1098,6 +1068,7 @@ CONFIG_DELL_LAPTOP=m CONFIG_DELL_WMI=m CONFIG_DELL_WMI_AIO=m CONFIG_DELL_SMO8800=m +# CONFIG_DELL_RBTN is not set CONFIG_FUJITSU_LAPTOP=m # CONFIG_FUJITSU_LAPTOP_DEBUG is not set # CONFIG_FUJITSU_TABLET is not set @@ -1141,6 +1112,7 @@ CONFIG_SAMSUNG_Q10=m # CONFIG_INTEL_RST is not set CONFIG_INTEL_SMARTCONNECT=m CONFIG_PVPANIC=m +CONFIG_INTEL_PMC_IPC=m CONFIG_CHROME_PLATFORMS=y CONFIG_CHROMEOS_LAPTOP=m # CONFIG_CHROMEOS_PSTORE is not set @@ -1149,6 +1121,7 @@ CONFIG_CHROMEOS_LAPTOP=m # Common Clock Framework # CONFIG_COMMON_CLK_WM831X=m +CONFIG_COMMON_CLK_MAX77686=m # # Clock Source drivers @@ -1158,7 +1131,6 @@ CONFIG_I8253_LOCK=y CONFIG_CLKBLD_I8253=y # CONFIG_SH_TIMER_TMU is not set CONFIG_PCC=y -CONFIG_IOMMU_API=y # # Generic IOMMU Pagetable Support @@ -1170,15 +1142,24 @@ CONFIG_INTEL_IOMMU=y CONFIG_INTEL_IOMMU_FLOPPY_WA=y # +# SOC (System On Chip) specific Drivers +# +# CONFIG_SUNXI_SRAM is not set + +# # Analog to digital converters # CONFIG_LP8788_ADC=m CONFIG_TWL6030_GPADC=m # +# Light sensors +# +# CONFIG_ACPI_ALS is not set + +# # Temperature sensors # -# CONFIG_NTB is not set # CONFIG_PWM is not set # @@ -1189,6 +1170,15 @@ CONFIG_TWL6030_GPADC=m # CONFIG_PHY_EXYNOS5250_USB2 is not set # +# Android +# +CONFIG_LIBNVDIMM=y +CONFIG_BLK_DEV_PMEM=m +CONFIG_ND_BLK=m +CONFIG_ND_BTT=m +CONFIG_BTT=y + +# # Firmware Drivers # CONFIG_EDD=m @@ -1207,6 +1197,7 @@ CONFIG_ISCSI_IBFT=m # EFI (Extensible Firmware Interface) Support # CONFIG_EFI_VARS=y +CONFIG_EFI_ESRT=y CONFIG_EFI_VARS_PSTORE=y # CONFIG_EFI_VARS_PSTORE_DEFAULT_DISABLE is not set CONFIG_EFI_RUNTIME_WRAPPERS=y @@ -1215,12 +1206,13 @@ CONFIG_UEFI_CPER=y # # File systems # -CONFIG_DCACHE_WORD_ACCESS=y # CONFIG_FS_DAX is not set # # Pseudo filesystems # +# CONFIG_PROC_KCORE is not set +CONFIG_PROC_VMCORE=y # CONFIG_HUGETLBFS is not set CONFIG_EFIVAR_FS=m @@ -1233,9 +1225,7 @@ CONFIG_FRAME_POINTER=y # # Memory Debugging # -# CONFIG_SLUB_STATS is not set # CONFIG_DEBUG_VIRTUAL is not set -# CONFIG_DEBUG_PER_CPU_MAPS is not set CONFIG_DEBUG_STACKOVERFLOW=y # @@ -1249,8 +1239,9 @@ CONFIG_BOOTPARAM_HARDLOCKUP_PANIC_VALUE=0 # RCU Debugging # CONFIG_RCU_CPU_STALL_TIMEOUT=60 -# CONFIG_RCU_CPU_STALL_INFO is not set +# CONFIG_LATENCYTOP is not set CONFIG_ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS=y +# CONFIG_DEBUG_STRICT_USER_COPY_CHECKS is not set CONFIG_USER_STACKTRACE_SUPPORT=y CONFIG_FUNCTION_GRAPH_TRACER=y CONFIG_FTRACE_SYSCALLS=y @@ -1261,11 +1252,13 @@ CONFIG_DYNAMIC_FTRACE_WITH_REGS=y # # Runtime Testing # +# CONFIG_PROVIDE_OHCI1394_DMA_INIT is not set # CONFIG_X86_VERBOSE_BOOTUP is not set CONFIG_EARLY_PRINTK=y # CONFIG_EARLY_PRINTK_DBGP is not set CONFIG_EARLY_PRINTK_EFI=y # CONFIG_X86_PTDUMP is not set +CONFIG_DEBUG_RODATA_TEST=y CONFIG_DEBUG_NX_TEST=m CONFIG_DOUBLEFAULT=y # CONFIG_DEBUG_TLBFLUSH is not set @@ -1282,80 +1275,14 @@ CONFIG_DEFAULT_IO_DELAY_TYPE=0 CONFIG_DEBUG_BOOT_PARAMS=y # CONFIG_CPA_DEBUG is not set CONFIG_OPTIMIZE_INLINING=y +# CONFIG_DEBUG_ENTRY is not set # CONFIG_DEBUG_NMI_SELFTEST is not set # CONFIG_X86_DEBUG_STATIC_CPU_HAS is not set +# CONFIG_X86_DEBUG_FPU is not set +# CONFIG_PUNIT_ATOM_DEBUG is not set # -# Grsecurity -# -CONFIG_PAX_PER_CPU_PGD=y - -# -# PaX -# -CONFIG_PAX=y - -# -# PaX Control -# -# CONFIG_PAX_SOFTMODE is not set -CONFIG_PAX_EI_PAX=y -CONFIG_PAX_PT_PAX_FLAGS=y -# CONFIG_PAX_XATTR_PAX_FLAGS is not set -# CONFIG_PAX_NO_ACL_FLAGS is not set -CONFIG_PAX_HAVE_ACL_FLAGS=y -# CONFIG_PAX_HOOK_ACL_FLAGS is not set - -# -# Non-executable pages -# -CONFIG_PAX_NOEXEC=y -CONFIG_PAX_PAGEEXEC=y -CONFIG_PAX_EMUTRAMP=y -CONFIG_PAX_MPROTECT=y -# CONFIG_PAX_MPROTECT_COMPAT is not set -CONFIG_PAX_ELFRELOCS=y -CONFIG_PAX_KERNEXEC=y - -# -# Address Space Layout Randomization -# -CONFIG_PAX_ASLR=y -CONFIG_PAX_RANDKSTACK=y -CONFIG_PAX_RANDUSTACK=y -CONFIG_PAX_RANDMMAP=y - -# -# Miscellaneous hardening features -# -CONFIG_PAX_MEMORY_STACKLEAK=y -# CONFIG_PAX_MEMORY_UDEREF is not set -CONFIG_PAX_REFCOUNT=y -CONFIG_PAX_CONSTIFY_PLUGIN=y -CONFIG_PAX_USERCOPY=y -# CONFIG_PAX_USERCOPY_DEBUG is not set -CONFIG_PAX_SIZE_OVERFLOW=y - -# -# Memory Protections -# -# CONFIG_GRKERNSEC_IO is not set -CONFIG_GRKERNSEC_RAND_THREADSTACK=y -CONFIG_GRKERNSEC_PROC_MEMMAP=y -CONFIG_GRKERNSEC_KERN_LOCKOUT=y - -# -# Kernel Auditing -# -CONFIG_GRKERNSEC_RWXMAP_LOG=y - -# -# Executable Protections -# -CONFIG_GRKERNSEC_SETXID=y - -# -# Logging Options +# Security options # CONFIG_LSM_MMAP_MIN_ADDR=65536 @@ -1363,7 +1290,6 @@ CONFIG_LSM_MMAP_MIN_ADDR=65536 # Crypto core or helper # CONFIG_CRYPTO_GF128MUL=y -CONFIG_CRYPTO_PCRYPT=m CONFIG_CRYPTO_ABLK_HELPER=y # @@ -1412,7 +1338,6 @@ CONFIG_GENERIC_FIND_FIRST_BIT=y CONFIG_GENERIC_IOMAP=y CONFIG_ARCH_HAS_FAST_MULTIPLIER=y # CONFIG_AUDIT_ARCH_COMPAT_GENERIC is not set -CONFIG_INTERVAL_TREE=y CONFIG_HAS_IOPORT_MAP=y -CONFIG_CPU_RMAP=y CONFIG_UCS2_STRING=y +CONFIG_ARCH_HAS_PMEM_API=y diff --git a/kernel/config-x86_64-default b/kernel/config-x86_64-default index beaf5ca..0b938ac 100644 --- a/kernel/config-x86_64-default +++ b/kernel/config-x86_64-default @@ -29,8 +29,8 @@ CONFIG_VIRT_CPU_ACCOUNTING_GEN=y CONFIG_CONTEXT_TRACKING=y CONFIG_RCU_USER_QS=y CONFIG_CONTEXT_TRACKING_FORCE=y -CONFIG_RCU_FANOUT=64 CONFIG_ARCH_SUPPORTS_NUMA_BALANCING=y +CONFIG_ARCH_SUPPORTS_INT128=y # CONFIG_NUMA_BALANCING is not set # @@ -62,6 +62,7 @@ CONFIG_GART_IOMMU=y CONFIG_SWIOTLB=y CONFIG_IOMMU_HELPER=y # CONFIG_MAXSMP is not set +CONFIG_X86_ESPFIX64=y CONFIG_X86_VSYSCALL_EMULATION=y CONFIG_X86_DIRECT_GBPAGES=y CONFIG_NUMA=y @@ -146,14 +147,13 @@ CONFIG_SGI_IOC4=m CONFIG_INTEL_MIC_BUS=m # -# Intel MIC Host Driver +# SCIF Bus Driver # -# CONFIG_INTEL_MIC_HOST is not set +# CONFIG_SCIF_BUS is not set # -# Intel MIC Card Driver +# SCIF Driver # -# CONFIG_INTEL_MIC_CARD is not set # CONFIG_GENWQE is not set # @@ -162,6 +162,19 @@ CONFIG_INTEL_MIC_BUS=m CONFIG_SCSI_FLASHPOINT=y # +# Distributed Switch Architecture drivers +# +CONFIG_THUNDER_NIC_PF=m +CONFIG_THUNDER_NIC_VF=m +CONFIG_THUNDER_NIC_BGX=m +CONFIG_LIQUIDIO=m + +# +# Input Device Drivers +# +CONFIG_KEYBOARD_STMPE=m + +# # PC SMBus host controller drivers # # CONFIG_I2C_ALI1535 is not set @@ -171,6 +184,16 @@ CONFIG_SCSI_FLASHPOINT=y # CONFIG_I2C_SIS630 is not set # +# MFD GPIO expanders +# +CONFIG_GPIO_TC3589X=y + +# +# USB GPIO expanders +# +CONFIG_POWER_RESET_AS3722=y + +# # Media digital TV PCI Adapters # # CONFIG_VIDEO_CAFE_CCIC is not set @@ -195,6 +218,7 @@ CONFIG_INTEL_MIC_X100_DMA=m # CONFIG_CRYPTO_SKEIN=y # CONFIG_UNISYSSPAR is not set +CONFIG_COMMON_CLK_XLNX_CLKWZRD=m # # Generic IOMMU Pagetable Support @@ -210,34 +234,12 @@ CONFIG_IRQ_REMAP=y CONFIG_QUOTACTL_COMPAT=y # -# Memory Debugging -# -CONFIG_KASAN_SHADOW_OFFSET=0xdffffc0000000000 - -# # Runtime Testing # # CONFIG_IOMMU_DEBUG is not set # -# Grsecurity -# -CONFIG_PAX_KERNEXEC_PLUGIN=y -CONFIG_TASK_SIZE_MAX_SHIFT=42 - -# -# Non-executable pages -# -CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS=y -CONFIG_PAX_KERNEXEC_PLUGIN_METHOD="bts" - -# -# Memory Protections -# -CONFIG_GRKERNSEC_KSTACKOVERFLOW=y - -# -# Logging Options +# Security options # CONFIG_INTEL_TXT=y diff --git a/kernel/kernel.nm b/kernel/kernel.nm index 7f25b83..22fecdc 100644 --- a/kernel/kernel.nm +++ b/kernel/kernel.nm @@ -4,7 +4,7 @@ ############################################################################### name = kernel -version = 4.1.7 +version = 4.2.7 release = 1 thisapp = linux-%{version} @@ -69,6 +69,7 @@ build # Arguments that are passed to the kernel build command. kernel_build_flags = + kernel_arch = %{DISTRO_PLATFORM} kernel_target = bzImage kernel_image = arch/%{kernel_arch}/boot/%{kernel_target} @@ -77,14 +78,10 @@ build # i686 architecture. build_kernel_default = 1 build_kernel_legacy = 1 - - kernel_arch = x86 end if "%{DISTRO_ARCH}" == "x86_64" build_kernel_default = 1 - - kernel_arch = x86 end if "%{DISTRO_ARCH}" == "aarch64" @@ -95,23 +92,10 @@ build kernel_target = Image.gz end - if "%{DISTRO_ARCH}" == "armv5tel" - # Build a kernel for Marvell Kirkwood-based devices. - build_kernel_default = 1 - - kernel_arch = arm - kernel_target = zImage - - # http://lists.infradead.org/pipermail/linux-arm-kernel/2012-March/091404.html - kernel_build_flags = KALLSYMS_EXTRA_PASS=1 - end - if "%{DISTRO_ARCH}" == "armv7hl" # Build the default unified kernel. build_kernel_default = 1 - build_kernel_lpae = 1 - kernel_arch = arm kernel_target = zImage end @@ -130,21 +114,11 @@ build kernels += legacy end - # Build lpae kernel - if "%{build_kernel_lpae}" == "1" - kernels += lpae - end - perf_make = make %{MAKETUNING} -C tools/perf V=1 WERROR=0 \ NO_LIBUNWIND=1 HAVE_CPLUS_DEMANGLE=1 NO_GTK2=1 NO_LIBNUMA=1 \ NO_STRLCPY=1 NO_BIONIC=1 prefix=%{prefix} perfexecdir=lib/perf-core prepare_cmds - rm -f %{DIR_APP}/localversion-grsec - - # Remove -Werror flag to fix ARMv5 build. - sed -e "s/-Werror//g" -i grsecurity/Makefile || : - # Disable the colorize plugin. # It's generally very nice but it clutters our # logfiles. @@ -565,22 +539,6 @@ packages end end - if "%{build_kernel_lpae}" == "1" - package kernel-lpae - template KERNEL - - kernel_name = kernel-lpae - kernel_release = %{fullver}.lpae - end - - package kernel-lpae-devel - template KERNELDEVEL - - kernel_name = kernel-lpae - kernel_release = %{fullver}.lpae - end - end - package kernel-headers summary = Header files of the kernel release %{fullver}. desciption = %{summary} diff --git a/kernel/patches/grsecurity-3.1-4.1.7-201509131604.patch b/kernel/patches/grsecurity-3.1-4.1.7-201509131604.patch deleted file mode 100644 index eb11268..0000000 --- a/kernel/patches/grsecurity-3.1-4.1.7-201509131604.patch +++ /dev/null @@ -1,165538 +0,0 @@ -diff --git a/Documentation/dontdiff b/Documentation/dontdiff -index 9de9813..1462492 100644 ---- a/Documentation/dontdiff -+++ b/Documentation/dontdiff -@@ -3,9 +3,11 @@ - *.bc - *.bin - *.bz2 -+*.c.[012]*.* - *.cis - *.cpio - *.csp -+*.dbg - *.dsp - *.dvi - *.elf -@@ -15,6 +17,7 @@ - *.gcov - *.gen.S - *.gif -+*.gmo - *.grep - *.grp - *.gz -@@ -51,14 +54,17 @@ - *.tab.h - *.tex - *.ver -+*.vim - *.xml - *.xz - *_MODULES -+*_reg_safe.h - *_vga16.c - *~ - #*# - *.9 --.* -+.[^g]* -+.gen* - .*.d - .mm - 53c700_d.h -@@ -72,9 +78,11 @@ Image - Module.markers - Module.symvers - PENDING -+PERF* - SCCS - System.map* - TAGS -+TRACEEVENT-CFLAGS - aconf - af_names.h - aic7*reg.h* -@@ -83,6 +91,7 @@ aic7*seq.h* - aicasm - aicdb.h* - altivec*.c -+ashldi3.S - asm-offsets.h - asm_offsets.h - autoconf.h* -@@ -95,32 +104,40 @@ bounds.h - bsetup - btfixupprep - build -+builtin-policy.h - bvmlinux - bzImage* - capability_names.h - capflags.c - classlist.h* -+clut_vga16.c -+common-cmds.h - comp*.log - compile.h* - conf - config - config-* - config_data.h* -+config.c - config.mak - config.mak.autogen -+config.tmp - conmakehash - consolemap_deftbl.c* - cpustr.h - crc32table.h* - cscope.* - defkeymap.c -+devicetable-offsets.h - devlist.h* - dnotify_test - docproc - dslm -+dtc-lexer.lex.c - elf2ecoff - elfconfig.h* - evergreen_reg_safe.h -+exception_policy.conf - fixdep - flask.h - fore200e_mkfirm -@@ -128,12 +145,15 @@ fore200e_pca_fw.c* - gconf - gconf.glade.h - gen-devlist -+gen-kdb_cmds.c - gen_crc32table - gen_init_cpio - generated - genheaders - genksyms - *_gray256.c -+hash -+hid-example - hpet_example - hugepage-mmap - hugepage-shm -@@ -148,14 +168,14 @@ int32.c - int4.c - int8.c - kallsyms --kconfig -+kern_constants.h - keywords.c - ksym.c* - ksym.h* - kxgettext - lex.c - lex.*.c --linux -+lib1funcs.S - logo_*.c - logo_*_clut224.c - logo_*_mono.c -@@ -165,14 +185,15 @@ mach-types.h - machtypes.h - map - map_hugetlb --media - mconf -+mdp - miboot* - mk_elfconfig - mkboot - mkbugboot - mkcpustr - mkdep -+mkpiggy - mkprep - mkregtable - mktables -@@ -188,6 +209,8 @@ oui.c* - page-types - parse.c - parse.h -+parse-events* -+pasyms.h - patches* - pca200e.bin - pca200e_ecd.bin2 -@@ -197,6 +220,7 @@ perf-archive - piggyback - piggy.gzip - piggy.S -+pmu-* - pnmtologo - ppc_defs.h* - pss_boot.h -@@ -206,7 +230,12 @@ r200_reg_safe.h - r300_reg_safe.h - r420_reg_safe.h - r600_reg_safe.h -+randomize_layout_hash.h -+randomize_layout_seed.h -+realmode.lds -+realmode.relocs - recordmcount -+regdb.c - relocs - rlim_names.h - rn50_reg_safe.h -@@ -216,8 +245,12 @@ series - setup - setup.bin - setup.elf -+signing_key* -+size_overflow_hash.h - sImage -+slabinfo - sm_tbl* -+sortextable - split-include - syscalltab.h - tables.c -@@ -227,6 +260,7 @@ tftpboot.img - timeconst.h - times.h* - trix_boot.h -+user_constants.h - utsrelease.h* - vdso-syms.lds - vdso.lds -@@ -238,13 +272,17 @@ vdso32.lds - vdso32.so.dbg - vdso64.lds - vdso64.so.dbg -+vdsox32.lds -+vdsox32-syms.lds - version.h* - vmImage - vmlinux - vmlinux-* - vmlinux.aout - vmlinux.bin.all -+vmlinux.bin.bz2 - vmlinux.lds -+vmlinux.relocs - vmlinuz - voffset.h - vsyscall.lds -@@ -252,9 +290,12 @@ vsyscall_32.lds - wanxlfw.inc - uImage - unifdef -+utsrelease.h - wakeup.bin - wakeup.elf - wakeup.lds -+x509* - zImage* - zconf.hash.c -+zconf.lex.c - zoffset.h -diff --git a/Documentation/kbuild/makefiles.txt b/Documentation/kbuild/makefiles.txt -index d2b1c40..3e90a74 100644 ---- a/Documentation/kbuild/makefiles.txt -+++ b/Documentation/kbuild/makefiles.txt -@@ -23,10 +23,11 @@ This document describes the Linux kernel Makefiles. - === 4 Host Program support - --- 4.1 Simple Host Program - --- 4.2 Composite Host Programs -- --- 4.3 Using C++ for host programs -- --- 4.4 Controlling compiler options for host programs -- --- 4.5 When host programs are actually built -- --- 4.6 Using hostprogs-$(CONFIG_FOO) -+ --- 4.3 Defining shared libraries -+ --- 4.4 Using C++ for host programs -+ --- 4.5 Controlling compiler options for host programs -+ --- 4.6 When host programs are actually built -+ --- 4.7 Using hostprogs-$(CONFIG_FOO) - - === 5 Kbuild clean infrastructure - -@@ -643,7 +644,29 @@ Both possibilities are described in the following. - Finally, the two .o files are linked to the executable, lxdialog. - Note: The syntax <executable>-y is not permitted for host-programs. - ----- 4.3 Using C++ for host programs -+--- 4.3 Defining shared libraries -+ -+ Objects with extension .so are considered shared libraries, and -+ will be compiled as position independent objects. -+ Kbuild provides support for shared libraries, but the usage -+ shall be restricted. -+ In the following example the libkconfig.so shared library is used -+ to link the executable conf. -+ -+ Example: -+ #scripts/kconfig/Makefile -+ hostprogs-y := conf -+ conf-objs := conf.o libkconfig.so -+ libkconfig-objs := expr.o type.o -+ -+ Shared libraries always require a corresponding -objs line, and -+ in the example above the shared library libkconfig is composed by -+ the two objects expr.o and type.o. -+ expr.o and type.o will be built as position independent code and -+ linked as a shared library libkconfig.so. C++ is not supported for -+ shared libraries. -+ -+--- 4.4 Using C++ for host programs - - kbuild offers support for host programs written in C++. This was - introduced solely to support kconfig, and is not recommended -@@ -666,7 +689,7 @@ Both possibilities are described in the following. - qconf-cxxobjs := qconf.o - qconf-objs := check.o - ----- 4.4 Controlling compiler options for host programs -+--- 4.5 Controlling compiler options for host programs - - When compiling host programs, it is possible to set specific flags. - The programs will always be compiled utilising $(HOSTCC) passed -@@ -694,7 +717,7 @@ Both possibilities are described in the following. - When linking qconf, it will be passed the extra option - "-L$(QTDIR)/lib". - ----- 4.5 When host programs are actually built -+--- 4.6 When host programs are actually built - - Kbuild will only build host-programs when they are referenced - as a prerequisite. -@@ -725,7 +748,7 @@ Both possibilities are described in the following. - This will tell kbuild to build lxdialog even if not referenced in - any rule. - ----- 4.6 Using hostprogs-$(CONFIG_FOO) -+--- 4.7 Using hostprogs-$(CONFIG_FOO) - - A typical pattern in a Kbuild file looks like this: - -diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt -index cd03a0f..b8d72be 100644 ---- a/Documentation/kernel-parameters.txt -+++ b/Documentation/kernel-parameters.txt -@@ -1223,6 +1223,13 @@ bytes respectively. Such letter suffixes can also be entirely omitted. - Format: <unsigned int> such that (rxsize & ~0x1fffc0) == 0. - Default: 1024 - -+ grsec_proc_gid= [GRKERNSEC_PROC_USERGROUP] Chooses GID to -+ ignore grsecurity's /proc restrictions -+ -+ grsec_sysfs_restrict= Format: 0 | 1 -+ Default: 1 -+ Disables GRKERNSEC_SYSFS_RESTRICT if enabled in config -+ - hashdist= [KNL,NUMA] Large hashes allocated during boot - are distributed across NUMA nodes. Defaults on - for 64-bit NUMA, off otherwise. -@@ -2341,6 +2348,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted. - noexec=on: enable non-executable mappings (default) - noexec=off: disable non-executable mappings - -+ nopcid [X86-64] -+ Disable PCID (Process-Context IDentifier) even if it -+ is supported by the processor. -+ - nosmap [X86] - Disable SMAP (Supervisor Mode Access Prevention) - even if it is supported by processor. -@@ -2639,6 +2650,30 @@ bytes respectively. Such letter suffixes can also be entirely omitted. - the specified number of seconds. This is to be used if - your oopses keep scrolling off the screen. - -+ pax_nouderef [X86] disables UDEREF. Most likely needed under certain -+ virtualization environments that don't cope well with the -+ expand down segment used by UDEREF on X86-32 or the frequent -+ page table updates on X86-64. -+ -+ pax_sanitize_slab= -+ Format: { 0 | 1 | off | fast | full } -+ Options '0' and '1' are only provided for backward -+ compatibility, 'off' or 'fast' should be used instead. -+ 0|off : disable slab object sanitization -+ 1|fast: enable slab object sanitization excluding -+ whitelisted slabs (default) -+ full : sanitize all slabs, even the whitelisted ones -+ -+ pax_softmode= 0/1 to disable/enable PaX softmode on boot already. -+ -+ pax_extra_latent_entropy -+ Enable a very simple form of latent entropy extraction -+ from the first 4GB of memory as the bootmem allocator -+ passes the memory pages to the buddy allocator. -+ -+ pax_weakuderef [X86-64] enables the weaker but faster form of UDEREF -+ when the processor supports PCID. -+ - pcbit= [HW,ISDN] - - pcd. [PARIDE] -diff --git a/Documentation/sysctl/kernel.txt b/Documentation/sysctl/kernel.txt -index c831001..1bfbbf6 100644 ---- a/Documentation/sysctl/kernel.txt -+++ b/Documentation/sysctl/kernel.txt -@@ -41,6 +41,7 @@ show up in /proc/sys/kernel: - - kptr_restrict - - kstack_depth_to_print [ X86 only ] - - l2cr [ PPC only ] -+- modify_ldt [ X86 only ] - - modprobe ==> Documentation/debugging-modules.txt - - modules_disabled - - msg_next_id [ sysv ipc ] -@@ -391,6 +392,20 @@ This flag controls the L2 cache of G3 processor boards. If - - ============================================================== - -+modify_ldt: (X86 only) -+ -+Enables (1) or disables (0) the modify_ldt syscall. Modifying the LDT -+(Local Descriptor Table) may be needed to run a 16-bit or segmented code -+such as Dosemu or Wine. This is done via a system call which is not needed -+to run portable applications, and which can sometimes be abused to exploit -+some weaknesses of the architecture, opening new vulnerabilities. -+ -+This sysctl allows one to increase the system's security by disabling the -+system call, or to restore compatibility with specific applications when it -+was already disabled. -+ -+============================================================== -+ - modules_disabled: - - A toggle value indicating if modules are allowed to be loaded -diff --git a/Makefile b/Makefile -index b8591e5..1d9e8c0 100644 ---- a/Makefile -+++ b/Makefile -@@ -299,7 +299,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \ - HOSTCC = gcc - HOSTCXX = g++ - HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer -std=gnu89 --HOSTCXXFLAGS = -O2 -+HOSTCFLAGS = -W -Wno-unused-parameter -Wno-missing-field-initializers -fno-delete-null-pointer-checks -+HOSTCFLAGS += $(call cc-option, -Wno-empty-body) -+HOSTCXXFLAGS = -O2 -Wall -W -Wno-array-bounds - - ifeq ($(shell $(HOSTCC) -v 2>&1 | grep -c "clang version"), 1) - HOSTCFLAGS += -Wno-unused-value -Wno-unused-parameter \ -@@ -444,8 +446,8 @@ export RCS_TAR_IGNORE := --exclude SCCS --exclude BitKeeper --exclude .svn \ - # Rules shared between *config targets and build targets - - # Basic helpers built in scripts/ --PHONY += scripts_basic --scripts_basic: -+PHONY += scripts_basic gcc-plugins -+scripts_basic: gcc-plugins - $(Q)$(MAKE) $(build)=scripts/basic - $(Q)rm -f .tmp_quiet_recordmcount - -@@ -620,6 +622,74 @@ endif - # Tell gcc to never replace conditional load with a non-conditional one - KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) - -+ifndef DISABLE_PAX_PLUGINS -+ifeq ($(call cc-ifversion, -ge, 0408, y), y) -+PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(HOSTCXX)" "$(HOSTCXX)" "$(CC)") -+else -+PLUGINCC := $(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-plugin.sh "$(HOSTCC)" "$(HOSTCXX)" "$(CC)") -+endif -+ifneq ($(PLUGINCC),) -+ifdef CONFIG_PAX_CONSTIFY_PLUGIN -+CONSTIFY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/constify_plugin.so -DCONSTIFY_PLUGIN -+endif -+ifdef CONFIG_PAX_MEMORY_STACKLEAK -+STACKLEAK_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/stackleak_plugin.so -DSTACKLEAK_PLUGIN -+STACKLEAK_PLUGIN_CFLAGS += -fplugin-arg-stackleak_plugin-track-lowest-sp=100 -+endif -+ifdef CONFIG_KALLOCSTAT_PLUGIN -+KALLOCSTAT_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/kallocstat_plugin.so -+endif -+ifdef CONFIG_PAX_KERNEXEC_PLUGIN -+KERNEXEC_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/kernexec_plugin.so -+KERNEXEC_PLUGIN_CFLAGS += -fplugin-arg-kernexec_plugin-method=$(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD) -DKERNEXEC_PLUGIN -+KERNEXEC_PLUGIN_AFLAGS := -DKERNEXEC_PLUGIN -+endif -+ifdef CONFIG_GRKERNSEC_RANDSTRUCT -+RANDSTRUCT_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/randomize_layout_plugin.so -DRANDSTRUCT_PLUGIN -+ifdef CONFIG_GRKERNSEC_RANDSTRUCT_PERFORMANCE -+RANDSTRUCT_PLUGIN_CFLAGS += -fplugin-arg-randomize_layout_plugin-performance-mode -+endif -+endif -+ifdef CONFIG_CHECKER_PLUGIN -+ifeq ($(call cc-ifversion, -ge, 0406, y), y) -+CHECKER_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/checker_plugin.so -DCHECKER_PLUGIN -+endif -+endif -+COLORIZE_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/colorize_plugin.so -+ifdef CONFIG_PAX_SIZE_OVERFLOW -+SIZE_OVERFLOW_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/size_overflow_plugin/size_overflow_plugin.so -DSIZE_OVERFLOW_PLUGIN -+endif -+ifdef CONFIG_PAX_LATENT_ENTROPY -+LATENT_ENTROPY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/latent_entropy_plugin.so -DLATENT_ENTROPY_PLUGIN -+endif -+ifdef CONFIG_PAX_MEMORY_STRUCTLEAK -+STRUCTLEAK_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/structleak_plugin.so -DSTRUCTLEAK_PLUGIN -+endif -+INITIFY_PLUGIN_CFLAGS := -fplugin=$(objtree)/tools/gcc/initify_plugin.so -DINITIFY_PLUGIN -+GCC_PLUGINS_CFLAGS := $(CONSTIFY_PLUGIN_CFLAGS) $(STACKLEAK_PLUGIN_CFLAGS) $(KALLOCSTAT_PLUGIN_CFLAGS) -+GCC_PLUGINS_CFLAGS += $(KERNEXEC_PLUGIN_CFLAGS) $(CHECKER_PLUGIN_CFLAGS) $(COLORIZE_PLUGIN_CFLAGS) -+GCC_PLUGINS_CFLAGS += $(SIZE_OVERFLOW_PLUGIN_CFLAGS) $(LATENT_ENTROPY_PLUGIN_CFLAGS) $(STRUCTLEAK_PLUGIN_CFLAGS) -+GCC_PLUGINS_CFLAGS += $(INITIFY_PLUGIN_CFLAGS) -+GCC_PLUGINS_CFLAGS += $(RANDSTRUCT_PLUGIN_CFLAGS) -+GCC_PLUGINS_AFLAGS := $(KERNEXEC_PLUGIN_AFLAGS) -+export PLUGINCC GCC_PLUGINS_CFLAGS GCC_PLUGINS_AFLAGS CONSTIFY_PLUGIN LATENT_ENTROPY_PLUGIN_CFLAGS -+ifeq ($(KBUILD_EXTMOD),) -+gcc-plugins: -+ $(Q)$(MAKE) $(build)=tools/gcc -+else -+gcc-plugins: ; -+endif -+else -+gcc-plugins: -+ifeq ($(call cc-ifversion, -ge, 0405, y), y) -+ $(error Your gcc installation does not support plugins. If the necessary headers for plugin support are missing, they should be installed. On Debian, apt-get install gcc-<ver>-plugin-dev. If you choose to ignore this error and lessen the improvements provided by this patch, re-run make with the DISABLE_PAX_PLUGINS=y argument.)) -+else -+ $(Q)echo "warning, your gcc version does not support plugins, you should upgrade it to gcc 4.5 at least" -+endif -+ $(Q)echo "PAX_MEMORY_STACKLEAK, constification, PAX_LATENT_ENTROPY and other features will be less secure. PAX_SIZE_OVERFLOW will not be active." -+endif -+endif -+ - ifdef CONFIG_READABLE_ASM - # Disable optimizations that make assembler listings hard to read. - # reorder blocks reorders the control in the function -@@ -712,7 +782,7 @@ KBUILD_CFLAGS += $(call cc-option, -gsplit-dwarf, -g) - else - KBUILD_CFLAGS += -g - endif --KBUILD_AFLAGS += -Wa,-gdwarf-2 -+KBUILD_AFLAGS += -Wa,--gdwarf-2 - endif - ifdef CONFIG_DEBUG_INFO_DWARF4 - KBUILD_CFLAGS += $(call cc-option, -gdwarf-4,) -@@ -884,7 +954,7 @@ export mod_sign_cmd - - - ifeq ($(KBUILD_EXTMOD),) --core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ -+core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ grsecurity/ - - vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \ - $(core-y) $(core-m) $(drivers-y) $(drivers-m) \ -@@ -934,6 +1004,8 @@ endif - - # The actual objects are generated when descending, - # make sure no implicit rule kicks in -+$(filter-out $(init-y),$(vmlinux-deps)): KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+$(filter-out $(init-y),$(vmlinux-deps)): KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) - $(sort $(vmlinux-deps)): $(vmlinux-dirs) ; - - # Handle descending into subdirectories listed in $(vmlinux-dirs) -@@ -943,7 +1015,7 @@ $(sort $(vmlinux-deps)): $(vmlinux-dirs) ; - # Error messages still appears in the original language - - PHONY += $(vmlinux-dirs) --$(vmlinux-dirs): prepare scripts -+$(vmlinux-dirs): gcc-plugins prepare scripts - $(Q)$(MAKE) $(build)=$@ - - define filechk_kernel.release -@@ -986,10 +1058,13 @@ prepare1: prepare2 $(version_h) include/generated/utsrelease.h \ - - archprepare: archheaders archscripts prepare1 scripts_basic - -+prepare0: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+prepare0: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) - prepare0: archprepare FORCE - $(Q)$(MAKE) $(build)=. - - # All the preparing.. -+prepare: KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS)) - prepare: prepare0 - - # Generate some files -@@ -1097,6 +1172,8 @@ all: modules - # using awk while concatenating to the final file. - - PHONY += modules -+modules: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+modules: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) - modules: $(vmlinux-dirs) $(if $(KBUILD_BUILTIN),vmlinux) modules.builtin - $(Q)$(AWK) '!x[$$0]++' $(vmlinux-dirs:%=$(objtree)/%/modules.order) > $(objtree)/modules.order - @$(kecho) ' Building modules, stage 2.'; -@@ -1112,7 +1189,7 @@ modules.builtin: $(vmlinux-dirs:%=%/modules.builtin) - - # Target to prepare building external modules - PHONY += modules_prepare --modules_prepare: prepare scripts -+modules_prepare: gcc-plugins prepare scripts - - # Target to install modules - PHONY += modules_install -@@ -1178,7 +1255,10 @@ MRPROPER_FILES += .config .config.old .version .old_version \ - Module.symvers tags TAGS cscope* GPATH GTAGS GRTAGS GSYMS \ - signing_key.priv signing_key.x509 x509.genkey \ - extra_certificates signing_key.x509.keyid \ -- signing_key.x509.signer vmlinux-gdb.py -+ signing_key.x509.signer vmlinux-gdb.py \ -+ tools/gcc/size_overflow_plugin/size_overflow_hash_aux.h \ -+ tools/gcc/size_overflow_plugin/size_overflow_hash.h \ -+ tools/gcc/randomize_layout_seed.h - - # clean - Delete most, but leave enough to build external modules - # -@@ -1217,7 +1297,7 @@ distclean: mrproper - @find $(srctree) $(RCS_FIND_IGNORE) \ - ( -name '*.orig' -o -name '*.rej' -o -name '*~' \ - -o -name '*.bak' -o -name '#*#' -o -name '.*.orig' \ -- -o -name '.*.rej' -o -name '*%' -o -name 'core' ) \ -+ -o -name '.*.rej' -o -name '*.so' -o -name '*%' -o -name 'core' ) \ - -type f -print | xargs rm -f - - -@@ -1383,6 +1463,8 @@ PHONY += $(module-dirs) modules - $(module-dirs): crmodverdir $(objtree)/Module.symvers - $(Q)$(MAKE) $(build)=$(patsubst _module_%,%,$@) - -+modules: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+modules: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) - modules: $(module-dirs) - @$(kecho) ' Building modules, stage 2.'; - $(Q)$(MAKE) -f $(srctree)/scripts/Makefile.modpost -@@ -1523,17 +1605,21 @@ else - target-dir = $(if $(KBUILD_EXTMOD),$(dir $<),$(dir $@)) - endif - --%.s: %.c prepare scripts FORCE -+%.s: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+%.s: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) -+%.s: %.c gcc-plugins prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) - %.i: %.c prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) --%.o: %.c prepare scripts FORCE -+%.o: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+%.o: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) -+%.o: %.c gcc-plugins prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) - %.lst: %.c prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) --%.s: %.S prepare scripts FORCE -+%.s: %.S gcc-plugins prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) --%.o: %.S prepare scripts FORCE -+%.o: %.S gcc-plugins prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) - %.symtypes: %.c prepare scripts FORCE - $(Q)$(MAKE) $(build)=$(build-dir) $(target-dir)$(notdir $@) -@@ -1545,11 +1631,15 @@ endif - $(build)=$(build-dir) - # Make sure the latest headers are built for Documentation - Documentation/: headers_install --%/: prepare scripts FORCE -+%/: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+%/: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) -+%/: gcc-plugins prepare scripts FORCE - $(cmd_crmodverdir) - $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ - $(build)=$(build-dir) --%.ko: prepare scripts FORCE -+%.ko: KBUILD_CFLAGS += $(GCC_PLUGINS_CFLAGS) -+%.ko: KBUILD_AFLAGS += $(GCC_PLUGINS_AFLAGS) -+%.ko: gcc-plugins prepare scripts FORCE - $(cmd_crmodverdir) - $(Q)$(MAKE) KBUILD_MODULES=$(if $(CONFIG_MODULES),1) \ - $(build)=$(build-dir) $(@:.ko=.o) -diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h -index 8f8eafb..3405f46 100644 ---- a/arch/alpha/include/asm/atomic.h -+++ b/arch/alpha/include/asm/atomic.h -@@ -239,4 +239,14 @@ static inline long atomic64_dec_if_positive(atomic64_t *v) - #define atomic_dec(v) atomic_sub(1,(v)) - #define atomic64_dec(v) atomic64_sub(1,(v)) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* _ALPHA_ATOMIC_H */ -diff --git a/arch/alpha/include/asm/cache.h b/arch/alpha/include/asm/cache.h -index ad368a9..fbe0f25 100644 ---- a/arch/alpha/include/asm/cache.h -+++ b/arch/alpha/include/asm/cache.h -@@ -4,19 +4,19 @@ - #ifndef __ARCH_ALPHA_CACHE_H - #define __ARCH_ALPHA_CACHE_H - -+#include <linux/const.h> - - /* Bytes per L1 (data) cache line. */ - #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_EV6) --# define L1_CACHE_BYTES 64 - # define L1_CACHE_SHIFT 6 - #else - /* Both EV4 and EV5 are write-through, read-allocate, - direct-mapped, physical. - */ --# define L1_CACHE_BYTES 32 - # define L1_CACHE_SHIFT 5 - #endif - -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - #define SMP_CACHE_BYTES L1_CACHE_BYTES - - #endif -diff --git a/arch/alpha/include/asm/elf.h b/arch/alpha/include/asm/elf.h -index 968d999..d36b2df 100644 ---- a/arch/alpha/include/asm/elf.h -+++ b/arch/alpha/include/asm/elf.h -@@ -91,6 +91,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (current->personality & ADDR_LIMIT_32BIT ? 0x10000 : 0x120000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 28) -+#define PAX_DELTA_STACK_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 19) -+#endif -+ - /* $0 is set by ld.so to a pointer to a function which might be - registered using atexit. This provides a mean for the dynamic - linker to call DT_FINI functions for shared libraries that have -diff --git a/arch/alpha/include/asm/pgalloc.h b/arch/alpha/include/asm/pgalloc.h -index aab14a0..b4fa3e7 100644 ---- a/arch/alpha/include/asm/pgalloc.h -+++ b/arch/alpha/include/asm/pgalloc.h -@@ -29,6 +29,12 @@ pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) - pgd_set(pgd, pmd); - } - -+static inline void -+pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) -+{ -+ pgd_populate(mm, pgd, pmd); -+} -+ - extern pgd_t *pgd_alloc(struct mm_struct *mm); - - static inline void -diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h -index a9a1195..e9b8417 100644 ---- a/arch/alpha/include/asm/pgtable.h -+++ b/arch/alpha/include/asm/pgtable.h -@@ -101,6 +101,17 @@ struct vm_area_struct; - #define PAGE_SHARED __pgprot(_PAGE_VALID | __ACCESS_BITS) - #define PAGE_COPY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW) - #define PAGE_READONLY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOE) -+# define PAGE_COPY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE) -+# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_COPY_NOEXEC PAGE_COPY -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+#endif -+ - #define PAGE_KERNEL __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE | _PAGE_KWE) - - #define _PAGE_NORMAL(x) __pgprot(_PAGE_VALID | __ACCESS_BITS | (x)) -diff --git a/arch/alpha/kernel/module.c b/arch/alpha/kernel/module.c -index 2fd00b7..cfd5069 100644 ---- a/arch/alpha/kernel/module.c -+++ b/arch/alpha/kernel/module.c -@@ -160,7 +160,7 @@ apply_relocate_add(Elf64_Shdr *sechdrs, const char *strtab, - - /* The small sections were sorted to the end of the segment. - The following should definitely cover them. */ -- gp = (u64)me->module_core + me->core_size - 0x8000; -+ gp = (u64)me->module_core_rw + me->core_size_rw - 0x8000; - got = sechdrs[me->arch.gotsecindex].sh_addr; - - for (i = 0; i < n; i++) { -diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c -index 36dc91a..6769cb0 100644 ---- a/arch/alpha/kernel/osf_sys.c -+++ b/arch/alpha/kernel/osf_sys.c -@@ -1295,10 +1295,11 @@ SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p) - generic version except that we know how to honor ADDR_LIMIT_32BIT. */ - - static unsigned long --arch_get_unmapped_area_1(unsigned long addr, unsigned long len, -- unsigned long limit) -+arch_get_unmapped_area_1(struct file *filp, unsigned long addr, unsigned long len, -+ unsigned long limit, unsigned long flags) - { - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - info.flags = 0; - info.length = len; -@@ -1306,6 +1307,7 @@ arch_get_unmapped_area_1(unsigned long addr, unsigned long len, - info.high_limit = limit; - info.align_mask = 0; - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -@@ -1338,20 +1340,24 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - merely specific addresses, but regions of memory -- perhaps - this feature should be incorporated into all ports? */ - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { -- addr = arch_get_unmapped_area_1 (PAGE_ALIGN(addr), len, limit); -+ addr = arch_get_unmapped_area_1 (filp, PAGE_ALIGN(addr), len, limit, flags); - if (addr != (unsigned long) -ENOMEM) - return addr; - } - - /* Next, try allocating at TASK_UNMAPPED_BASE. */ -- addr = arch_get_unmapped_area_1 (PAGE_ALIGN(TASK_UNMAPPED_BASE), -- len, limit); -+ addr = arch_get_unmapped_area_1 (filp, PAGE_ALIGN(current->mm->mmap_base), len, limit, flags); -+ - if (addr != (unsigned long) -ENOMEM) - return addr; - - /* Finally, try allocating in low memory. */ -- addr = arch_get_unmapped_area_1 (PAGE_SIZE, len, limit); -+ addr = arch_get_unmapped_area_1 (filp, PAGE_SIZE, len, limit, flags); - - return addr; - } -diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c -index 9d0ac09..479a962 100644 ---- a/arch/alpha/mm/fault.c -+++ b/arch/alpha/mm/fault.c -@@ -53,6 +53,124 @@ __load_new_mm_context(struct mm_struct *next_mm) - __reload_thread(pcb); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (regs->pc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int ldah, ldq, jmp; -+ -+ err = get_user(ldah, (unsigned int *)regs->pc); -+ err |= get_user(ldq, (unsigned int *)(regs->pc+4)); -+ err |= get_user(jmp, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((ldah & 0xFFFF0000U) == 0x277B0000U && -+ (ldq & 0xFFFF0000U) == 0xA77B0000U && -+ jmp == 0x6BFB0000U) -+ { -+ unsigned long r27, addr; -+ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16; -+ unsigned long addrl = ldq | 0xFFFFFFFFFFFF0000UL; -+ -+ addr = regs->r27 + ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL); -+ err = get_user(r27, (unsigned long *)addr); -+ if (err) -+ break; -+ -+ regs->r27 = r27; -+ regs->pc = r27; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #2 */ -+ unsigned int ldah, lda, br; -+ -+ err = get_user(ldah, (unsigned int *)regs->pc); -+ err |= get_user(lda, (unsigned int *)(regs->pc+4)); -+ err |= get_user(br, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((ldah & 0xFFFF0000U) == 0x277B0000U && -+ (lda & 0xFFFF0000U) == 0xA77B0000U && -+ (br & 0xFFE00000U) == 0xC3E00000U) -+ { -+ unsigned long addr = br | 0xFFFFFFFFFFE00000UL; -+ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16; -+ unsigned long addrl = lda | 0xFFFFFFFFFFFF0000UL; -+ -+ regs->r27 += ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL); -+ regs->pc += 12 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2); -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation */ -+ unsigned int br; -+ -+ err = get_user(br, (unsigned int *)regs->pc); -+ -+ if (!err && (br & 0xFFE00000U) == 0xC3800000U) { -+ unsigned int br2, ldq, nop, jmp; -+ unsigned long addr = br | 0xFFFFFFFFFFE00000UL, resolver; -+ -+ addr = regs->pc + 4 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2); -+ err = get_user(br2, (unsigned int *)addr); -+ err |= get_user(ldq, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ err |= get_user(jmp, (unsigned int *)(addr+12)); -+ err |= get_user(resolver, (unsigned long *)(addr+16)); -+ -+ if (err) -+ break; -+ -+ if (br2 == 0xC3600000U && -+ ldq == 0xA77B000CU && -+ nop == 0x47FF041FU && -+ jmp == 0x6B7B0000U) -+ { -+ regs->r28 = regs->pc+4; -+ regs->r27 = addr+16; -+ regs->pc = resolver; -+ return 3; -+ } -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif - - /* - * This routine handles page faults. It determines the address, -@@ -133,8 +251,29 @@ retry: - good_area: - si_code = SEGV_ACCERR; - if (cause < 0) { -- if (!(vma->vm_flags & VM_EXEC)) -+ if (!(vma->vm_flags & VM_EXEC)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->pc) -+ goto bad_area; -+ -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->pc, (void *)rdusp()); -+ do_group_exit(SIGKILL); -+#else - goto bad_area; -+#endif -+ -+ } - } else if (!cause) { - /* Allow reads even for write-only mappings */ - if (!(vma->vm_flags & (VM_READ | VM_WRITE))) -diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig -index 45df48b..952017a 100644 ---- a/arch/arm/Kconfig -+++ b/arch/arm/Kconfig -@@ -1716,7 +1716,7 @@ config ALIGNMENT_TRAP - - config UACCESS_WITH_MEMCPY - bool "Use kernel mem{cpy,set}() for {copy_to,clear}_user()" -- depends on MMU -+ depends on MMU && !PAX_MEMORY_UDEREF - default y if CPU_FEROCEON - help - Implement faster copy_to_user and clear_user methods for CPU -@@ -1951,6 +1951,7 @@ config XIP_PHYS_ADDR - config KEXEC - bool "Kexec system call (EXPERIMENTAL)" - depends on (!SMP || PM_SLEEP_SMP) -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/arm/Makefile b/arch/arm/Makefile -index 985227c..8acc029 100644 ---- a/arch/arm/Makefile -+++ b/arch/arm/Makefile -@@ -304,6 +304,9 @@ INSTALL_TARGETS = zinstall uinstall install - - PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS) - -+bootpImage uImage: zImage -+zImage: Image -+ - $(BOOT_TARGETS): vmlinux - $(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $(boot)/$@ - -diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h -index e22c119..abe7041 100644 ---- a/arch/arm/include/asm/atomic.h -+++ b/arch/arm/include/asm/atomic.h -@@ -18,17 +18,41 @@ - #include <asm/barrier.h> - #include <asm/cmpxchg.h> - -+#ifdef CONFIG_GENERIC_ATOMIC64 -+#include <asm-generic/atomic64.h> -+#endif -+ - #define ATOMIC_INIT(i) { (i) } - - #ifdef __KERNEL__ - -+#ifdef CONFIG_THUMB2_KERNEL -+#define REFCOUNT_TRAP_INSN "bkpt 0xf1" -+#else -+#define REFCOUNT_TRAP_INSN "bkpt 0xf103" -+#endif -+ -+#define _ASM_EXTABLE(from, to) \ -+" .pushsection __ex_table,"a"\n"\ -+" .align 3\n" \ -+" .long " #from ", " #to"\n" \ -+" .popsection" -+ - /* - * On ARM, ordinary assignment (str instruction) doesn't clear the local - * strex/ldrex monitor on some implementations. The reason we can use it for - * atomic_set() is the clrex or dummy strex done on every exception return. - */ - #define atomic_read(v) ACCESS_ONCE((v)->counter) -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} - #define atomic_set(v,i) (((v)->counter) = (i)) -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} - - #if __LINUX_ARM_ARCH__ >= 6 - -@@ -38,26 +62,50 @@ - * to ensure that the update happens. - */ - --#define ATOMIC_OP(op, c_op, asm_op) \ --static inline void atomic_##op(int i, atomic_t *v) \ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __OVERFLOW_POST \ -+ " bvc 3f\n" \ -+ "2: " REFCOUNT_TRAP_INSN "\n"\ -+ "3:\n" -+#define __OVERFLOW_POST_RETURN \ -+ " bvc 3f\n" \ -+" mov %0, %1\n" \ -+ "2: " REFCOUNT_TRAP_INSN "\n"\ -+ "3:\n" -+#define __OVERFLOW_EXTABLE \ -+ "4:\n" \ -+ _ASM_EXTABLE(2b, 4b) -+#else -+#define __OVERFLOW_POST -+#define __OVERFLOW_POST_RETURN -+#define __OVERFLOW_EXTABLE -+#endif -+ -+#define __ATOMIC_OP(op, suffix, c_op, asm_op, post_op, extable) \ -+static inline void atomic_##op##suffix(int i, atomic##suffix##_t *v) \ - { \ - unsigned long tmp; \ - int result; \ - \ - prefetchw(&v->counter); \ -- __asm__ __volatile__("@ atomic_" #op "\n" \ -+ __asm__ __volatile__("@ atomic_" #op #suffix "\n" \ - "1: ldrex %0, [%3]\n" \ - " " #asm_op " %0, %0, %4\n" \ -+ post_op \ - " strex %1, %0, [%3]\n" \ - " teq %1, #0\n" \ --" bne 1b" \ -+" bne 1b\n" \ -+ extable \ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ - : "r" (&v->counter), "Ir" (i) \ - : "cc"); \ - } \ - --#define ATOMIC_OP_RETURN(op, c_op, asm_op) \ --static inline int atomic_##op##_return(int i, atomic_t *v) \ -+#define ATOMIC_OP(op, c_op, asm_op) __ATOMIC_OP(op, _unchecked, c_op, asm_op, , )\ -+ __ATOMIC_OP(op, , c_op, asm_op##s, __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, c_op, asm_op, post_op, extable) \ -+static inline int atomic_##op##_return##suffix(int i, atomic##suffix##_t *v)\ - { \ - unsigned long tmp; \ - int result; \ -@@ -65,12 +113,14 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \ - smp_mb(); \ - prefetchw(&v->counter); \ - \ -- __asm__ __volatile__("@ atomic_" #op "_return\n" \ -+ __asm__ __volatile__("@ atomic_" #op "_return" #suffix "\n" \ - "1: ldrex %0, [%3]\n" \ - " " #asm_op " %0, %0, %4\n" \ -+ post_op \ - " strex %1, %0, [%3]\n" \ - " teq %1, #0\n" \ --" bne 1b" \ -+" bne 1b\n" \ -+ extable \ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ - : "r" (&v->counter), "Ir" (i) \ - : "cc"); \ -@@ -80,6 +130,9 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \ - return result; \ - } - -+#define ATOMIC_OP_RETURN(op, c_op, asm_op) __ATOMIC_OP_RETURN(op, _unchecked, c_op, asm_op, , )\ -+ __ATOMIC_OP_RETURN(op, , c_op, asm_op##s, __OVERFLOW_POST_RETURN, __OVERFLOW_EXTABLE) -+ - static inline int atomic_cmpxchg(atomic_t *ptr, int old, int new) - { - int oldval; -@@ -115,12 +168,24 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - __asm__ __volatile__ ("@ atomic_add_unless\n" - "1: ldrex %0, [%4]\n" - " teq %0, %5\n" --" beq 2f\n" --" add %1, %0, %6\n" -+" beq 4f\n" -+" adds %1, %0, %6\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+"2: " REFCOUNT_TRAP_INSN "\n" -+"3:\n" -+#endif -+ - " strex %2, %1, [%4]\n" - " teq %2, #0\n" - " bne 1b\n" --"2:" -+"4:" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ - : "=&r" (oldval), "=&r" (newval), "=&r" (tmp), "+Qo" (v->counter) - : "r" (&v->counter), "r" (u), "r" (a) - : "cc"); -@@ -131,14 +196,36 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - return oldval; - } - -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *ptr, int old, int new) -+{ -+ unsigned long oldval, res; -+ -+ smp_mb(); -+ -+ do { -+ __asm__ __volatile__("@ atomic_cmpxchg_unchecked\n" -+ "ldrex %1, [%3]\n" -+ "mov %0, #0\n" -+ "teq %1, %4\n" -+ "strexeq %0, %5, [%3]\n" -+ : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter) -+ : "r" (&ptr->counter), "Ir" (old), "r" (new) -+ : "cc"); -+ } while (res); -+ -+ smp_mb(); -+ -+ return oldval; -+} -+ - #else /* ARM_ARCH_6 */ - - #ifdef CONFIG_SMP - #error SMP not supported on pre-ARMv6 CPUs - #endif - --#define ATOMIC_OP(op, c_op, asm_op) \ --static inline void atomic_##op(int i, atomic_t *v) \ -+#define __ATOMIC_OP(op, suffix, c_op, asm_op) \ -+static inline void atomic_##op##suffix(int i, atomic##suffix##_t *v) \ - { \ - unsigned long flags; \ - \ -@@ -147,8 +234,11 @@ static inline void atomic_##op(int i, atomic_t *v) \ - raw_local_irq_restore(flags); \ - } \ - --#define ATOMIC_OP_RETURN(op, c_op, asm_op) \ --static inline int atomic_##op##_return(int i, atomic_t *v) \ -+#define ATOMIC_OP(op, c_op, asm_op) __ATOMIC_OP(op, , c_op, asm_op) \ -+ __ATOMIC_OP(op, _unchecked, c_op, asm_op) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, c_op, asm_op) \ -+static inline int atomic_##op##_return##suffix(int i, atomic##suffix##_t *v)\ - { \ - unsigned long flags; \ - int val; \ -@@ -161,6 +251,9 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \ - return val; \ - } - -+#define ATOMIC_OP_RETURN(op, c_op, asm_op) __ATOMIC_OP_RETURN(op, , c_op, asm_op)\ -+ __ATOMIC_OP_RETURN(op, _unchecked, c_op, asm_op) -+ - static inline int atomic_cmpxchg(atomic_t *v, int old, int new) - { - int ret; -@@ -175,6 +268,11 @@ static inline int atomic_cmpxchg(atomic_t *v, int old, int new) - return ret; - } - -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) -+{ -+ return atomic_cmpxchg((atomic_t *)v, old, new); -+} -+ - static inline int __atomic_add_unless(atomic_t *v, int a, int u) - { - int c, old; -@@ -196,16 +294,38 @@ ATOMIC_OPS(sub, -=, sub) - - #undef ATOMIC_OPS - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} - - #define atomic_inc(v) atomic_add(1, v) -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); -+} - #define atomic_dec(v) atomic_sub(1, v) -+static inline void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_sub_unchecked(1, v); -+} - - #define atomic_inc_and_test(v) (atomic_add_return(1, v) == 0) -+static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v) == 0; -+} - #define atomic_dec_and_test(v) (atomic_sub_return(1, v) == 0) - #define atomic_inc_return(v) (atomic_add_return(1, v)) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - #define atomic_dec_return(v) (atomic_sub_return(1, v)) - #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0) - -@@ -216,6 +336,14 @@ typedef struct { - long long counter; - } atomic64_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ long long counter; -+} atomic64_unchecked_t; -+#else -+typedef atomic64_t atomic64_unchecked_t; -+#endif -+ - #define ATOMIC64_INIT(i) { (i) } - - #ifdef CONFIG_ARM_LPAE -@@ -232,6 +360,19 @@ static inline long long atomic64_read(const atomic64_t *v) - return result; - } - -+static inline long long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ long long result; -+ -+ __asm__ __volatile__("@ atomic64_read_unchecked\n" -+" ldrd %0, %H0, [%1]" -+ : "=&r" (result) -+ : "r" (&v->counter), "Qo" (v->counter) -+ ); -+ -+ return result; -+} -+ - static inline void atomic64_set(atomic64_t *v, long long i) - { - __asm__ __volatile__("@ atomic64_set\n" -@@ -240,6 +381,15 @@ static inline void atomic64_set(atomic64_t *v, long long i) - : "r" (&v->counter), "r" (i) - ); - } -+ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i) -+{ -+ __asm__ __volatile__("@ atomic64_set_unchecked\n" -+" strd %2, %H2, [%1]" -+ : "=Qo" (v->counter) -+ : "r" (&v->counter), "r" (i) -+ ); -+} - #else - static inline long long atomic64_read(const atomic64_t *v) - { -@@ -254,6 +404,19 @@ static inline long long atomic64_read(const atomic64_t *v) - return result; - } - -+static inline long long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ long long result; -+ -+ __asm__ __volatile__("@ atomic64_read_unchecked\n" -+" ldrexd %0, %H0, [%1]" -+ : "=&r" (result) -+ : "r" (&v->counter), "Qo" (v->counter) -+ ); -+ -+ return result; -+} -+ - static inline void atomic64_set(atomic64_t *v, long long i) - { - long long tmp; -@@ -268,29 +431,57 @@ static inline void atomic64_set(atomic64_t *v, long long i) - : "r" (&v->counter), "r" (i) - : "cc"); - } -+ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i) -+{ -+ long long tmp; -+ -+ prefetchw(&v->counter); -+ __asm__ __volatile__("@ atomic64_set_unchecked\n" -+"1: ldrexd %0, %H0, [%2]\n" -+" strexd %0, %3, %H3, [%2]\n" -+" teq %0, #0\n" -+" bne 1b" -+ : "=&r" (tmp), "=Qo" (v->counter) -+ : "r" (&v->counter), "r" (i) -+ : "cc"); -+} - #endif - --#define ATOMIC64_OP(op, op1, op2) \ --static inline void atomic64_##op(long long i, atomic64_t *v) \ -+#undef __OVERFLOW_POST_RETURN -+#define __OVERFLOW_POST_RETURN \ -+ " bvc 3f\n" \ -+" mov %0, %1\n" \ -+" mov %H0, %H1\n" \ -+ "2: " REFCOUNT_TRAP_INSN "\n"\ -+ "3:\n" -+ -+#define __ATOMIC64_OP(op, suffix, op1, op2, post_op, extable) \ -+static inline void atomic64_##op##suffix(long long i, atomic64##suffix##_t *v)\ - { \ - long long result; \ - unsigned long tmp; \ - \ - prefetchw(&v->counter); \ -- __asm__ __volatile__("@ atomic64_" #op "\n" \ -+ __asm__ __volatile__("@ atomic64_" #op #suffix "\n" \ - "1: ldrexd %0, %H0, [%3]\n" \ - " " #op1 " %Q0, %Q0, %Q4\n" \ - " " #op2 " %R0, %R0, %R4\n" \ -+ post_op \ - " strexd %1, %0, %H0, [%3]\n" \ - " teq %1, #0\n" \ --" bne 1b" \ -+" bne 1b\n" \ -+ extable \ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ - : "r" (&v->counter), "r" (i) \ - : "cc"); \ - } \ - --#define ATOMIC64_OP_RETURN(op, op1, op2) \ --static inline long long atomic64_##op##_return(long long i, atomic64_t *v) \ -+#define ATOMIC64_OP(op, op1, op2) __ATOMIC64_OP(op, _unchecked, op1, op2, , ) \ -+ __ATOMIC64_OP(op, , op1, op2##s, __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, op1, op2, post_op, extable) \ -+static inline long long atomic64_##op##_return##suffix(long long i, atomic64##suffix##_t *v) \ - { \ - long long result; \ - unsigned long tmp; \ -@@ -298,13 +489,15 @@ static inline long long atomic64_##op##_return(long long i, atomic64_t *v) \ - smp_mb(); \ - prefetchw(&v->counter); \ - \ -- __asm__ __volatile__("@ atomic64_" #op "_return\n" \ -+ __asm__ __volatile__("@ atomic64_" #op "_return" #suffix "\n" \ - "1: ldrexd %0, %H0, [%3]\n" \ - " " #op1 " %Q0, %Q0, %Q4\n" \ - " " #op2 " %R0, %R0, %R4\n" \ -+ post_op \ - " strexd %1, %0, %H0, [%3]\n" \ - " teq %1, #0\n" \ --" bne 1b" \ -+" bne 1b\n" \ -+ extable \ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) \ - : "r" (&v->counter), "r" (i) \ - : "cc"); \ -@@ -314,6 +507,9 @@ static inline long long atomic64_##op##_return(long long i, atomic64_t *v) \ - return result; \ - } - -+#define ATOMIC64_OP_RETURN(op, op1, op2) __ATOMIC64_OP_RETURN(op, _unchecked, op1, op2, , ) \ -+ __ATOMIC64_OP_RETURN(op, , op1, op2##s, __OVERFLOW_POST_RETURN, __OVERFLOW_EXTABLE) -+ - #define ATOMIC64_OPS(op, op1, op2) \ - ATOMIC64_OP(op, op1, op2) \ - ATOMIC64_OP_RETURN(op, op1, op2) -@@ -323,7 +519,12 @@ ATOMIC64_OPS(sub, subs, sbc) - - #undef ATOMIC64_OPS - #undef ATOMIC64_OP_RETURN -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_EXTABLE -+#undef __OVERFLOW_POST_RETURN -+#undef __OVERFLOW_POST - - static inline long long atomic64_cmpxchg(atomic64_t *ptr, long long old, - long long new) -@@ -351,6 +552,31 @@ static inline long long atomic64_cmpxchg(atomic64_t *ptr, long long old, - return oldval; - } - -+static inline long long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *ptr, long long old, -+ long long new) -+{ -+ long long oldval; -+ unsigned long res; -+ -+ smp_mb(); -+ -+ do { -+ __asm__ __volatile__("@ atomic64_cmpxchg_unchecked\n" -+ "ldrexd %1, %H1, [%3]\n" -+ "mov %0, #0\n" -+ "teq %1, %4\n" -+ "teqeq %H1, %H4\n" -+ "strexdeq %0, %5, %H5, [%3]" -+ : "=&r" (res), "=&r" (oldval), "+Qo" (ptr->counter) -+ : "r" (&ptr->counter), "r" (old), "r" (new) -+ : "cc"); -+ } while (res); -+ -+ smp_mb(); -+ -+ return oldval; -+} -+ - static inline long long atomic64_xchg(atomic64_t *ptr, long long new) - { - long long result; -@@ -376,21 +602,35 @@ static inline long long atomic64_xchg(atomic64_t *ptr, long long new) - static inline long long atomic64_dec_if_positive(atomic64_t *v) - { - long long result; -- unsigned long tmp; -+ u64 tmp; - - smp_mb(); - prefetchw(&v->counter); - - __asm__ __volatile__("@ atomic64_dec_if_positive\n" --"1: ldrexd %0, %H0, [%3]\n" --" subs %Q0, %Q0, #1\n" --" sbc %R0, %R0, #0\n" -+"1: ldrexd %1, %H1, [%3]\n" -+" subs %Q0, %Q1, #1\n" -+" sbcs %R0, %R1, #0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+" mov %Q0, %Q1\n" -+" mov %R0, %R1\n" -+"2: " REFCOUNT_TRAP_INSN "\n" -+"3:\n" -+#endif -+ - " teq %R0, #0\n" --" bmi 2f\n" -+" bmi 4f\n" - " strexd %1, %0, %H0, [%3]\n" - " teq %1, #0\n" - " bne 1b\n" --"2:" -+"4:\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ - : "=&r" (result), "=&r" (tmp), "+Qo" (v->counter) - : "r" (&v->counter) - : "cc"); -@@ -414,13 +654,25 @@ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u) - " teq %0, %5\n" - " teqeq %H0, %H5\n" - " moveq %1, #0\n" --" beq 2f\n" -+" beq 4f\n" - " adds %Q0, %Q0, %Q6\n" --" adc %R0, %R0, %R6\n" -+" adcs %R0, %R0, %R6\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" bvc 3f\n" -+"2: " REFCOUNT_TRAP_INSN "\n" -+"3:\n" -+#endif -+ - " strexd %2, %0, %H0, [%4]\n" - " teq %2, #0\n" - " bne 1b\n" --"2:" -+"4:\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ - : "=&r" (val), "+r" (ret), "=&r" (tmp), "+Qo" (v->counter) - : "r" (&v->counter), "r" (u), "r" (a) - : "cc"); -@@ -433,10 +685,13 @@ static inline int atomic64_add_unless(atomic64_t *v, long long a, long long u) - - #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0) - #define atomic64_inc(v) atomic64_add(1LL, (v)) -+#define atomic64_inc_unchecked(v) atomic64_add_unchecked(1LL, (v)) - #define atomic64_inc_return(v) atomic64_add_return(1LL, (v)) -+#define atomic64_inc_return_unchecked(v) atomic64_add_return_unchecked(1LL, (v)) - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) - #define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0) - #define atomic64_dec(v) atomic64_sub(1LL, (v)) -+#define atomic64_dec_unchecked(v) atomic64_sub_unchecked(1LL, (v)) - #define atomic64_dec_return(v) atomic64_sub_return(1LL, (v)) - #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) -diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h -index d2f81e6..3c4dba5 100644 ---- a/arch/arm/include/asm/barrier.h -+++ b/arch/arm/include/asm/barrier.h -@@ -67,7 +67,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/arm/include/asm/cache.h b/arch/arm/include/asm/cache.h -index 75fe66b..ba3dee4 100644 ---- a/arch/arm/include/asm/cache.h -+++ b/arch/arm/include/asm/cache.h -@@ -4,8 +4,10 @@ - #ifndef __ASMARM_CACHE_H - #define __ASMARM_CACHE_H - -+#include <linux/const.h> -+ - #define L1_CACHE_SHIFT CONFIG_ARM_L1_CACHE_SHIFT --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* - * Memory returned by kmalloc() may be used for DMA, so we must make -@@ -24,5 +26,6 @@ - #endif - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) -+#define __read_only __attribute__ ((__section__(".data..read_only"))) - - #endif -diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h -index 2d46862..a35415b 100644 ---- a/arch/arm/include/asm/cacheflush.h -+++ b/arch/arm/include/asm/cacheflush.h -@@ -116,7 +116,7 @@ struct cpu_cache_fns { - void (*dma_unmap_area)(const void *, size_t, int); - - void (*dma_flush_range)(const void *, const void *); --}; -+} __no_const; - - /* - * Select the calling method -diff --git a/arch/arm/include/asm/checksum.h b/arch/arm/include/asm/checksum.h -index 5233151..87a71fa 100644 ---- a/arch/arm/include/asm/checksum.h -+++ b/arch/arm/include/asm/checksum.h -@@ -37,7 +37,19 @@ __wsum - csum_partial_copy_nocheck(const void *src, void *dst, int len, __wsum sum); - - __wsum --csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr); -+__csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr); -+ -+static inline __wsum -+csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr) -+{ -+ __wsum ret; -+ pax_open_userland(); -+ ret = __csum_partial_copy_from_user(src, dst, len, sum, err_ptr); -+ pax_close_userland(); -+ return ret; -+} -+ -+ - - /* - * Fold a partial checksum without adding pseudo headers -diff --git a/arch/arm/include/asm/cmpxchg.h b/arch/arm/include/asm/cmpxchg.h -index abb2c37..96db950 100644 ---- a/arch/arm/include/asm/cmpxchg.h -+++ b/arch/arm/include/asm/cmpxchg.h -@@ -104,6 +104,8 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, int size - - #define xchg(ptr,x) \ - ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) -+#define xchg_unchecked(ptr,x) \ -+ ((__typeof__(*(ptr)))__xchg((unsigned long)(x),(ptr),sizeof(*(ptr)))) - - #include <asm-generic/cmpxchg-local.h> - -diff --git a/arch/arm/include/asm/cpuidle.h b/arch/arm/include/asm/cpuidle.h -index 0f84249..8e83c55 100644 ---- a/arch/arm/include/asm/cpuidle.h -+++ b/arch/arm/include/asm/cpuidle.h -@@ -32,7 +32,7 @@ struct device_node; - struct cpuidle_ops { - int (*suspend)(int cpu, unsigned long arg); - int (*init)(struct device_node *, int cpu); --}; -+} __no_const; - - struct of_cpuidle_method { - const char *method; -diff --git a/arch/arm/include/asm/domain.h b/arch/arm/include/asm/domain.h -index 6ddbe44..b5e38b1a 100644 ---- a/arch/arm/include/asm/domain.h -+++ b/arch/arm/include/asm/domain.h -@@ -48,18 +48,37 @@ - * Domain types - */ - #define DOMAIN_NOACCESS 0 --#define DOMAIN_CLIENT 1 - #ifdef CONFIG_CPU_USE_DOMAINS -+#define DOMAIN_USERCLIENT 1 -+#define DOMAIN_KERNELCLIENT 1 - #define DOMAIN_MANAGER 3 -+#define DOMAIN_VECTORS DOMAIN_USER - #else -+ -+#ifdef CONFIG_PAX_KERNEXEC - #define DOMAIN_MANAGER 1 -+#define DOMAIN_KERNEXEC 3 -+#else -+#define DOMAIN_MANAGER 1 -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#define DOMAIN_USERCLIENT 0 -+#define DOMAIN_UDEREF 1 -+#define DOMAIN_VECTORS DOMAIN_KERNEL -+#else -+#define DOMAIN_USERCLIENT 1 -+#define DOMAIN_VECTORS DOMAIN_USER -+#endif -+#define DOMAIN_KERNELCLIENT 1 -+ - #endif - - #define domain_val(dom,type) ((type) << (2*(dom))) - - #ifndef __ASSEMBLY__ - --#ifdef CONFIG_CPU_USE_DOMAINS -+#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) - static inline void set_domain(unsigned val) - { - asm volatile( -@@ -68,15 +87,7 @@ static inline void set_domain(unsigned val) - isb(); - } - --#define modify_domain(dom,type) \ -- do { \ -- struct thread_info *thread = current_thread_info(); \ -- unsigned int domain = thread->cpu_domain; \ -- domain &= ~domain_val(dom, DOMAIN_MANAGER); \ -- thread->cpu_domain = domain | domain_val(dom, type); \ -- set_domain(thread->cpu_domain); \ -- } while (0) -- -+extern void modify_domain(unsigned int dom, unsigned int type); - #else - static inline void set_domain(unsigned val) { } - static inline void modify_domain(unsigned dom, unsigned type) { } -diff --git a/arch/arm/include/asm/elf.h b/arch/arm/include/asm/elf.h -index d2315ff..f60b47b 100644 ---- a/arch/arm/include/asm/elf.h -+++ b/arch/arm/include/asm/elf.h -@@ -117,7 +117,14 @@ int dump_task_regs(struct task_struct *t, elf_gregset_t *elfregs); - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - --#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+ -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x00008000UL -+ -+#define PAX_DELTA_MMAP_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10) -+#define PAX_DELTA_STACK_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10) -+#endif - - /* When the program starts, a1 contains a pointer to a function to be - registered with atexit, as per the SVR4 ABI. A value of 0 means we -diff --git a/arch/arm/include/asm/fncpy.h b/arch/arm/include/asm/fncpy.h -index de53547..52b9a28 100644 ---- a/arch/arm/include/asm/fncpy.h -+++ b/arch/arm/include/asm/fncpy.h -@@ -81,7 +81,9 @@ - BUG_ON((uintptr_t)(dest_buf) & (FNCPY_ALIGN - 1) || \ - (__funcp_address & ~(uintptr_t)1 & (FNCPY_ALIGN - 1))); \ - \ -+ pax_open_kernel(); \ - memcpy(dest_buf, (void const *)(__funcp_address & ~1), size); \ -+ pax_close_kernel(); \ - flush_icache_range((unsigned long)(dest_buf), \ - (unsigned long)(dest_buf) + (size)); \ - \ -diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h -index 4e78065..f265b48 100644 ---- a/arch/arm/include/asm/futex.h -+++ b/arch/arm/include/asm/futex.h -@@ -46,6 +46,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; - -+ pax_open_userland(); -+ - smp_mb(); - /* Prefetching cannot fault */ - prefetchw(uaddr); -@@ -63,6 +65,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - : "cc", "memory"); - smp_mb(); - -+ pax_close_userland(); -+ - *uval = val; - return ret; - } -@@ -93,6 +97,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; - -+ pax_open_userland(); -+ - __asm__ __volatile__("@futex_atomic_cmpxchg_inatomic\n" - "1: " TUSER(ldr) " %1, [%4]\n" - " teq %1, %2\n" -@@ -103,6 +109,8 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, - : "r" (oldval), "r" (newval), "r" (uaddr), "Ir" (-EFAULT) - : "cc", "memory"); - -+ pax_close_userland(); -+ - *uval = val; - return ret; - } -@@ -125,6 +133,7 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) - return -EFAULT; - - pagefault_disable(); /* implies preempt_disable() */ -+ pax_open_userland(); - - switch (op) { - case FUTEX_OP_SET: -@@ -146,6 +155,7 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) - ret = -ENOSYS; - } - -+ pax_close_userland(); - pagefault_enable(); /* subsumes preempt_enable() */ - - if (!ret) { -diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h -index 83eb2f7..ed77159 100644 ---- a/arch/arm/include/asm/kmap_types.h -+++ b/arch/arm/include/asm/kmap_types.h -@@ -4,6 +4,6 @@ - /* - * This is the "bare minimum". AIO seems to require this. - */ --#define KM_TYPE_NR 16 -+#define KM_TYPE_NR 17 - - #endif -diff --git a/arch/arm/include/asm/mach/dma.h b/arch/arm/include/asm/mach/dma.h -index 9e614a1..3302cca 100644 ---- a/arch/arm/include/asm/mach/dma.h -+++ b/arch/arm/include/asm/mach/dma.h -@@ -22,7 +22,7 @@ struct dma_ops { - int (*residue)(unsigned int, dma_t *); /* optional */ - int (*setspeed)(unsigned int, dma_t *, int); /* optional */ - const char *type; --}; -+} __do_const; - - struct dma_struct { - void *addr; /* single DMA address */ -diff --git a/arch/arm/include/asm/mach/map.h b/arch/arm/include/asm/mach/map.h -index f98c7f3..e5c626d 100644 ---- a/arch/arm/include/asm/mach/map.h -+++ b/arch/arm/include/asm/mach/map.h -@@ -23,17 +23,19 @@ struct map_desc { - - /* types 0-3 are defined in asm/io.h */ - enum { -- MT_UNCACHED = 4, -- MT_CACHECLEAN, -- MT_MINICLEAN, -+ MT_UNCACHED_RW = 4, -+ MT_CACHECLEAN_RO, -+ MT_MINICLEAN_RO, - MT_LOW_VECTORS, - MT_HIGH_VECTORS, -- MT_MEMORY_RWX, -+ __MT_MEMORY_RWX, - MT_MEMORY_RW, -- MT_ROM, -- MT_MEMORY_RWX_NONCACHED, -+ MT_MEMORY_RX, -+ MT_ROM_RX, -+ MT_MEMORY_RW_NONCACHED, -+ MT_MEMORY_RX_NONCACHED, - MT_MEMORY_RW_DTCM, -- MT_MEMORY_RWX_ITCM, -+ MT_MEMORY_RX_ITCM, - MT_MEMORY_RW_SO, - MT_MEMORY_DMA_READY, - }; -diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h -index 563b92f..689d58e 100644 ---- a/arch/arm/include/asm/outercache.h -+++ b/arch/arm/include/asm/outercache.h -@@ -39,7 +39,7 @@ struct outer_cache_fns { - /* This is an ARM L2C thing */ - void (*write_sec)(unsigned long, unsigned); - void (*configure)(const struct l2x0_regs *); --}; -+} __no_const; - - extern struct outer_cache_fns outer_cache; - -diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h -index 4355f0e..cd9168e 100644 ---- a/arch/arm/include/asm/page.h -+++ b/arch/arm/include/asm/page.h -@@ -23,6 +23,7 @@ - - #else - -+#include <linux/compiler.h> - #include <asm/glue.h> - - /* -@@ -114,7 +115,7 @@ struct cpu_user_fns { - void (*cpu_clear_user_highpage)(struct page *page, unsigned long vaddr); - void (*cpu_copy_user_highpage)(struct page *to, struct page *from, - unsigned long vaddr, struct vm_area_struct *vma); --}; -+} __no_const; - - #ifdef MULTI_USER - extern struct cpu_user_fns cpu_user; -diff --git a/arch/arm/include/asm/pgalloc.h b/arch/arm/include/asm/pgalloc.h -index 19cfab5..3f5c7e9 100644 ---- a/arch/arm/include/asm/pgalloc.h -+++ b/arch/arm/include/asm/pgalloc.h -@@ -17,6 +17,7 @@ - #include <asm/processor.h> - #include <asm/cacheflush.h> - #include <asm/tlbflush.h> -+#include <asm/system_info.h> - - #define check_pgt_cache() do { } while (0) - -@@ -43,6 +44,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - set_pud(pud, __pud(__pa(pmd) | PMD_TYPE_TABLE)); - } - -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} -+ - #else /* !CONFIG_ARM_LPAE */ - - /* -@@ -51,6 +57,7 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - #define pmd_alloc_one(mm,addr) ({ BUG(); ((pmd_t *)2); }) - #define pmd_free(mm, pmd) do { } while (0) - #define pud_populate(mm,pmd,pte) BUG() -+#define pud_populate_kernel(mm,pmd,pte) BUG() - - #endif /* CONFIG_ARM_LPAE */ - -@@ -128,6 +135,19 @@ static inline void pte_free(struct mm_struct *mm, pgtable_t pte) - __free_page(pte); - } - -+static inline void __section_update(pmd_t *pmdp, unsigned long addr, pmdval_t prot) -+{ -+#ifdef CONFIG_ARM_LPAE -+ pmdp[0] = __pmd(pmd_val(pmdp[0]) | prot); -+#else -+ if (addr & SECTION_SIZE) -+ pmdp[1] = __pmd(pmd_val(pmdp[1]) | prot); -+ else -+ pmdp[0] = __pmd(pmd_val(pmdp[0]) | prot); -+#endif -+ flush_pmd_entry(pmdp); -+} -+ - static inline void __pmd_populate(pmd_t *pmdp, phys_addr_t pte, - pmdval_t prot) - { -diff --git a/arch/arm/include/asm/pgtable-2level-hwdef.h b/arch/arm/include/asm/pgtable-2level-hwdef.h -index 5e68278..1869bae 100644 ---- a/arch/arm/include/asm/pgtable-2level-hwdef.h -+++ b/arch/arm/include/asm/pgtable-2level-hwdef.h -@@ -27,7 +27,7 @@ - /* - * - section - */ --#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 0) /* v7 */ -+#define PMD_SECT_PXN (_AT(pmdval_t, 1) << 0) /* v7 */ - #define PMD_SECT_BUFFERABLE (_AT(pmdval_t, 1) << 2) - #define PMD_SECT_CACHEABLE (_AT(pmdval_t, 1) << 3) - #define PMD_SECT_XN (_AT(pmdval_t, 1) << 4) /* v6 */ -@@ -39,6 +39,7 @@ - #define PMD_SECT_nG (_AT(pmdval_t, 1) << 17) /* v6 */ - #define PMD_SECT_SUPER (_AT(pmdval_t, 1) << 18) /* v6 */ - #define PMD_SECT_AF (_AT(pmdval_t, 0)) -+#define PMD_SECT_RDONLY (_AT(pmdval_t, 0)) - - #define PMD_SECT_UNCACHED (_AT(pmdval_t, 0)) - #define PMD_SECT_BUFFERED (PMD_SECT_BUFFERABLE) -@@ -68,6 +69,7 @@ - * - extended small page/tiny page - */ - #define PTE_EXT_XN (_AT(pteval_t, 1) << 0) /* v6 */ -+#define PTE_EXT_PXN (_AT(pteval_t, 1) << 2) /* v7 */ - #define PTE_EXT_AP_MASK (_AT(pteval_t, 3) << 4) - #define PTE_EXT_AP0 (_AT(pteval_t, 1) << 4) - #define PTE_EXT_AP1 (_AT(pteval_t, 2) << 4) -diff --git a/arch/arm/include/asm/pgtable-2level.h b/arch/arm/include/asm/pgtable-2level.h -index bfd662e..f6cbb02 100644 ---- a/arch/arm/include/asm/pgtable-2level.h -+++ b/arch/arm/include/asm/pgtable-2level.h -@@ -127,6 +127,9 @@ - #define L_PTE_SHARED (_AT(pteval_t, 1) << 10) /* shared(v6), coherent(xsc3) */ - #define L_PTE_NONE (_AT(pteval_t, 1) << 11) - -+/* Two-level page tables only have PXN in the PGD, not in the PTE. */ -+#define L_PTE_PXN (_AT(pteval_t, 0)) -+ - /* - * These are the memory types, defined to be compatible with - * pre-ARMv6 CPUs cacheable and bufferable bits: XXCB -diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h -index a745a2a..481350a 100644 ---- a/arch/arm/include/asm/pgtable-3level.h -+++ b/arch/arm/include/asm/pgtable-3level.h -@@ -80,6 +80,7 @@ - #define L_PTE_USER (_AT(pteval_t, 1) << 6) /* AP[1] */ - #define L_PTE_SHARED (_AT(pteval_t, 3) << 8) /* SH[1:0], inner shareable */ - #define L_PTE_YOUNG (_AT(pteval_t, 1) << 10) /* AF */ -+#define L_PTE_PXN (_AT(pteval_t, 1) << 53) /* PXN */ - #define L_PTE_XN (_AT(pteval_t, 1) << 54) /* XN */ - #define L_PTE_DIRTY (_AT(pteval_t, 1) << 55) - #define L_PTE_SPECIAL (_AT(pteval_t, 1) << 56) -@@ -91,10 +92,12 @@ - #define L_PMD_SECT_SPLITTING (_AT(pmdval_t, 1) << 56) - #define L_PMD_SECT_NONE (_AT(pmdval_t, 1) << 57) - #define L_PMD_SECT_RDONLY (_AT(pteval_t, 1) << 58) -+#define PMD_SECT_RDONLY PMD_SECT_AP2 - - /* - * To be used in assembly code with the upper page attributes. - */ -+#define L_PTE_PXN_HIGH (1 << (53 - 32)) - #define L_PTE_XN_HIGH (1 << (54 - 32)) - #define L_PTE_DIRTY_HIGH (1 << (55 - 32)) - -diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h -index f403541..b10df68 100644 ---- a/arch/arm/include/asm/pgtable.h -+++ b/arch/arm/include/asm/pgtable.h -@@ -33,6 +33,9 @@ - #include <asm/pgtable-2level.h> - #endif - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - /* - * Just any arbitrary offset to the start of the vmalloc VM area: the - * current 8MB value just means that there will be a 8MB "hole" after the -@@ -48,6 +51,9 @@ - #define LIBRARY_TEXT_START 0x0c000000 - - #ifndef __ASSEMBLY__ -+extern pteval_t __supported_pte_mask; -+extern pmdval_t __supported_pmd_mask; -+ - extern void __pte_error(const char *file, int line, pte_t); - extern void __pmd_error(const char *file, int line, pmd_t); - extern void __pgd_error(const char *file, int line, pgd_t); -@@ -56,6 +62,48 @@ extern void __pgd_error(const char *file, int line, pgd_t); - #define pmd_ERROR(pmd) __pmd_error(__FILE__, __LINE__, pmd) - #define pgd_ERROR(pgd) __pgd_error(__FILE__, __LINE__, pgd) - -+#define __HAVE_ARCH_PAX_OPEN_KERNEL -+#define __HAVE_ARCH_PAX_CLOSE_KERNEL -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+#include <asm/domain.h> -+#include <linux/thread_info.h> -+#include <linux/preempt.h> -+ -+static inline int test_domain(int domain, int domaintype) -+{ -+ return ((current_thread_info()->cpu_domain) & domain_val(domain, 3)) == domain_val(domain, domaintype); -+} -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+static inline unsigned long pax_open_kernel(void) { -+#ifdef CONFIG_ARM_LPAE -+ /* TODO */ -+#else -+ preempt_disable(); -+ BUG_ON(test_domain(DOMAIN_KERNEL, DOMAIN_KERNEXEC)); -+ modify_domain(DOMAIN_KERNEL, DOMAIN_KERNEXEC); -+#endif -+ return 0; -+} -+ -+static inline unsigned long pax_close_kernel(void) { -+#ifdef CONFIG_ARM_LPAE -+ /* TODO */ -+#else -+ BUG_ON(test_domain(DOMAIN_KERNEL, DOMAIN_MANAGER)); -+ /* DOMAIN_MANAGER = "client" under KERNEXEC */ -+ modify_domain(DOMAIN_KERNEL, DOMAIN_MANAGER); -+ preempt_enable_no_resched(); -+#endif -+ return 0; -+} -+#else -+static inline unsigned long pax_open_kernel(void) { return 0; } -+static inline unsigned long pax_close_kernel(void) { return 0; } -+#endif -+ - /* - * This is the lowest virtual address we can permit any user space - * mapping to be mapped at. This is particularly important for -@@ -75,8 +123,8 @@ extern void __pgd_error(const char *file, int line, pgd_t); - /* - * The pgprot_* and protection_map entries will be fixed up in runtime - * to include the cachable and bufferable bits based on memory policy, -- * as well as any architecture dependent bits like global/ASID and SMP -- * shared mapping bits. -+ * as well as any architecture dependent bits like global/ASID, PXN, -+ * and SMP shared mapping bits. - */ - #define _L_PTE_DEFAULT L_PTE_PRESENT | L_PTE_YOUNG - -@@ -307,7 +355,7 @@ static inline pte_t pte_mknexec(pte_t pte) - static inline pte_t pte_modify(pte_t pte, pgprot_t newprot) - { - const pteval_t mask = L_PTE_XN | L_PTE_RDONLY | L_PTE_USER | -- L_PTE_NONE | L_PTE_VALID; -+ L_PTE_NONE | L_PTE_VALID | __supported_pte_mask; - pte_val(pte) = (pte_val(pte) & ~mask) | (pgprot_val(newprot) & mask); - return pte; - } -diff --git a/arch/arm/include/asm/psci.h b/arch/arm/include/asm/psci.h -index c25ef3e..735f14b 100644 ---- a/arch/arm/include/asm/psci.h -+++ b/arch/arm/include/asm/psci.h -@@ -32,7 +32,7 @@ struct psci_operations { - int (*affinity_info)(unsigned long target_affinity, - unsigned long lowest_affinity_level); - int (*migrate_info_type)(void); --}; -+} __no_const; - - extern struct psci_operations psci_ops; - extern struct smp_operations psci_smp_ops; -diff --git a/arch/arm/include/asm/smp.h b/arch/arm/include/asm/smp.h -index 18f5a55..5072a40 100644 ---- a/arch/arm/include/asm/smp.h -+++ b/arch/arm/include/asm/smp.h -@@ -107,7 +107,7 @@ struct smp_operations { - int (*cpu_disable)(unsigned int cpu); - #endif - #endif --}; -+} __no_const; - - struct of_cpu_method { - const char *method; -diff --git a/arch/arm/include/asm/thread_info.h b/arch/arm/include/asm/thread_info.h -index bd32ede..bd90a0b 100644 ---- a/arch/arm/include/asm/thread_info.h -+++ b/arch/arm/include/asm/thread_info.h -@@ -74,9 +74,9 @@ struct thread_info { - .flags = 0, \ - .preempt_count = INIT_PREEMPT_COUNT, \ - .addr_limit = KERNEL_DS, \ -- .cpu_domain = domain_val(DOMAIN_USER, DOMAIN_MANAGER) | \ -- domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \ -- domain_val(DOMAIN_IO, DOMAIN_CLIENT), \ -+ .cpu_domain = domain_val(DOMAIN_USER, DOMAIN_USERCLIENT) | \ -+ domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT) | \ -+ domain_val(DOMAIN_IO, DOMAIN_KERNELCLIENT), \ - } - - #define init_thread_info (init_thread_union.thread_info) -@@ -152,7 +152,11 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, - #define TIF_SYSCALL_AUDIT 9 - #define TIF_SYSCALL_TRACEPOINT 10 - #define TIF_SECCOMP 11 /* seccomp syscall filtering active */ --#define TIF_NOHZ 12 /* in adaptive nohz mode */ -+/* within 8 bits of TIF_SYSCALL_TRACE -+ * to meet flexible second operand requirements -+ */ -+#define TIF_GRSEC_SETXID 12 -+#define TIF_NOHZ 13 /* in adaptive nohz mode */ - #define TIF_USING_IWMMXT 17 - #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ - #define TIF_RESTORE_SIGMASK 20 -@@ -166,10 +170,11 @@ extern int vfp_restore_user_hwstate(struct user_vfp __user *, - #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) - #define _TIF_SECCOMP (1 << TIF_SECCOMP) - #define _TIF_USING_IWMMXT (1 << TIF_USING_IWMMXT) -+#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID) - - /* Checks for any syscall work in entry-common.S */ - #define _TIF_SYSCALL_WORK (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ -- _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP) -+ _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP | _TIF_GRSEC_SETXID) - - /* - * Change these and you break ASM code in entry-common.S -diff --git a/arch/arm/include/asm/tls.h b/arch/arm/include/asm/tls.h -index 5f833f7..76e6644 100644 ---- a/arch/arm/include/asm/tls.h -+++ b/arch/arm/include/asm/tls.h -@@ -3,6 +3,7 @@ - - #include <linux/compiler.h> - #include <asm/thread_info.h> -+#include <asm/pgtable.h> - - #ifdef __ASSEMBLY__ - #include <asm/asm-offsets.h> -@@ -89,7 +90,9 @@ static inline void set_tls(unsigned long val) - * at 0xffff0fe0 must be used instead. (see - * entry-armv.S for details) - */ -+ pax_open_kernel(); - *((unsigned int *)0xffff0ff0) = val; -+ pax_close_kernel(); - #endif - } - -diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h -index 74b17d0..57a4bf4 100644 ---- a/arch/arm/include/asm/uaccess.h -+++ b/arch/arm/include/asm/uaccess.h -@@ -18,6 +18,7 @@ - #include <asm/domain.h> - #include <asm/unified.h> - #include <asm/compiler.h> -+#include <asm/pgtable.h> - - #ifndef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS - #include <asm-generic/uaccess-unaligned.h> -@@ -70,11 +71,38 @@ extern int __put_user_bad(void); - static inline void set_fs(mm_segment_t fs) - { - current_thread_info()->addr_limit = fs; -- modify_domain(DOMAIN_KERNEL, fs ? DOMAIN_CLIENT : DOMAIN_MANAGER); -+ modify_domain(DOMAIN_KERNEL, fs ? DOMAIN_KERNELCLIENT : DOMAIN_MANAGER); - } - - #define segment_eq(a, b) ((a) == (b)) - -+#define __HAVE_ARCH_PAX_OPEN_USERLAND -+#define __HAVE_ARCH_PAX_CLOSE_USERLAND -+ -+static inline void pax_open_userland(void) -+{ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (segment_eq(get_fs(), USER_DS)) { -+ BUG_ON(test_domain(DOMAIN_USER, DOMAIN_UDEREF)); -+ modify_domain(DOMAIN_USER, DOMAIN_UDEREF); -+ } -+#endif -+ -+} -+ -+static inline void pax_close_userland(void) -+{ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (segment_eq(get_fs(), USER_DS)) { -+ BUG_ON(test_domain(DOMAIN_USER, DOMAIN_NOACCESS)); -+ modify_domain(DOMAIN_USER, DOMAIN_NOACCESS); -+ } -+#endif -+ -+} -+ - #define __addr_ok(addr) ({ \ - unsigned long flag; \ - __asm__("cmp %2, %0; movlo %0, #0" \ -@@ -198,8 +226,12 @@ extern int __get_user_64t_4(void *); - - #define get_user(x, p) \ - ({ \ -+ int __e; \ - might_fault(); \ -- __get_user_check(x, p); \ -+ pax_open_userland(); \ -+ __e = __get_user_check((x), (p)); \ -+ pax_close_userland(); \ -+ __e; \ - }) - - extern int __put_user_1(void *, unsigned int); -@@ -244,8 +276,12 @@ extern int __put_user_8(void *, unsigned long long); - - #define put_user(x, p) \ - ({ \ -+ int __e; \ - might_fault(); \ -- __put_user_check(x, p); \ -+ pax_open_userland(); \ -+ __e = __put_user_check((x), (p)); \ -+ pax_close_userland(); \ -+ __e; \ - }) - - #else /* CONFIG_MMU */ -@@ -269,6 +305,7 @@ static inline void set_fs(mm_segment_t fs) - - #endif /* CONFIG_MMU */ - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) (__range_ok(addr, size) == 0) - - #define user_addr_max() \ -@@ -286,13 +323,17 @@ static inline void set_fs(mm_segment_t fs) - #define __get_user(x, ptr) \ - ({ \ - long __gu_err = 0; \ -+ pax_open_userland(); \ - __get_user_err((x), (ptr), __gu_err); \ -+ pax_close_userland(); \ - __gu_err; \ - }) - - #define __get_user_error(x, ptr, err) \ - ({ \ -+ pax_open_userland(); \ - __get_user_err((x), (ptr), err); \ -+ pax_close_userland(); \ - (void) 0; \ - }) - -@@ -368,13 +409,17 @@ do { \ - #define __put_user(x, ptr) \ - ({ \ - long __pu_err = 0; \ -+ pax_open_userland(); \ - __put_user_err((x), (ptr), __pu_err); \ -+ pax_close_userland(); \ - __pu_err; \ - }) - - #define __put_user_error(x, ptr, err) \ - ({ \ -+ pax_open_userland(); \ - __put_user_err((x), (ptr), err); \ -+ pax_close_userland(); \ - (void) 0; \ - }) - -@@ -474,11 +519,44 @@ do { \ - - - #ifdef CONFIG_MMU --extern unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n); --extern unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n); -+extern unsigned long __must_check ___copy_from_user(void *to, const void __user *from, unsigned long n); -+extern unsigned long __must_check ___copy_to_user(void __user *to, const void *from, unsigned long n); -+ -+static inline unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n) -+{ -+ unsigned long ret; -+ -+ check_object_size(to, n, false); -+ pax_open_userland(); -+ ret = ___copy_from_user(to, from, n); -+ pax_close_userland(); -+ return ret; -+} -+ -+static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) -+{ -+ unsigned long ret; -+ -+ check_object_size(from, n, true); -+ pax_open_userland(); -+ ret = ___copy_to_user(to, from, n); -+ pax_close_userland(); -+ return ret; -+} -+ - extern unsigned long __must_check __copy_to_user_std(void __user *to, const void *from, unsigned long n); --extern unsigned long __must_check __clear_user(void __user *addr, unsigned long n); -+extern unsigned long __must_check ___clear_user(void __user *addr, unsigned long n); - extern unsigned long __must_check __clear_user_std(void __user *addr, unsigned long n); -+ -+static inline unsigned long __must_check __clear_user(void __user *addr, unsigned long n) -+{ -+ unsigned long ret; -+ pax_open_userland(); -+ ret = ___clear_user(addr, n); -+ pax_close_userland(); -+ return ret; -+} -+ - #else - #define __copy_from_user(to, from, n) (memcpy(to, (void __force *)from, n), 0) - #define __copy_to_user(to, from, n) (memcpy((void __force *)to, from, n), 0) -@@ -487,6 +565,9 @@ extern unsigned long __must_check __clear_user_std(void __user *addr, unsigned l - - static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - if (access_ok(VERIFY_READ, from, n)) - n = __copy_from_user(to, from, n); - else /* security hole - plug it */ -@@ -496,6 +577,9 @@ static inline unsigned long __must_check copy_from_user(void *to, const void __u - - static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - if (access_ok(VERIFY_WRITE, to, n)) - n = __copy_to_user(to, from, n); - return n; -diff --git a/arch/arm/include/uapi/asm/ptrace.h b/arch/arm/include/uapi/asm/ptrace.h -index 5af0ed1..cea83883 100644 ---- a/arch/arm/include/uapi/asm/ptrace.h -+++ b/arch/arm/include/uapi/asm/ptrace.h -@@ -92,7 +92,7 @@ - * ARMv7 groups of PSR bits - */ - #define APSR_MASK 0xf80f0000 /* N, Z, C, V, Q and GE flags */ --#define PSR_ISET_MASK 0x01000010 /* ISA state (J, T) mask */ -+#define PSR_ISET_MASK 0x01000020 /* ISA state (J, T) mask */ - #define PSR_IT_MASK 0x0600fc00 /* If-Then execution state mask */ - #define PSR_ENDIAN_MASK 0x00000200 /* Endianness state mask */ - -diff --git a/arch/arm/kernel/armksyms.c b/arch/arm/kernel/armksyms.c -index a88671c..1cc895e 100644 ---- a/arch/arm/kernel/armksyms.c -+++ b/arch/arm/kernel/armksyms.c -@@ -55,7 +55,7 @@ EXPORT_SYMBOL(arm_delay_ops); - - /* networking */ - EXPORT_SYMBOL(csum_partial); --EXPORT_SYMBOL(csum_partial_copy_from_user); -+EXPORT_SYMBOL(__csum_partial_copy_from_user); - EXPORT_SYMBOL(csum_partial_copy_nocheck); - EXPORT_SYMBOL(__csum_ipv6_magic); - -@@ -91,9 +91,9 @@ EXPORT_SYMBOL(__memzero); - #ifdef CONFIG_MMU - EXPORT_SYMBOL(copy_page); - --EXPORT_SYMBOL(__copy_from_user); --EXPORT_SYMBOL(__copy_to_user); --EXPORT_SYMBOL(__clear_user); -+EXPORT_SYMBOL(___copy_from_user); -+EXPORT_SYMBOL(___copy_to_user); -+EXPORT_SYMBOL(___clear_user); - - EXPORT_SYMBOL(__get_user_1); - EXPORT_SYMBOL(__get_user_2); -diff --git a/arch/arm/kernel/cpuidle.c b/arch/arm/kernel/cpuidle.c -index 318da33..373689f 100644 ---- a/arch/arm/kernel/cpuidle.c -+++ b/arch/arm/kernel/cpuidle.c -@@ -19,7 +19,7 @@ extern struct of_cpuidle_method __cpuidle_method_of_table[]; - static const struct of_cpuidle_method __cpuidle_method_of_table_sentinel - __used __section(__cpuidle_method_of_table_end); - --static struct cpuidle_ops cpuidle_ops[NR_CPUS]; -+static struct cpuidle_ops cpuidle_ops[NR_CPUS] __read_only; - - /** - * arm_cpuidle_simple_enter() - a wrapper to cpu_do_idle() -diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S -index 570306c..c87f193 100644 ---- a/arch/arm/kernel/entry-armv.S -+++ b/arch/arm/kernel/entry-armv.S -@@ -48,6 +48,87 @@ - 9997: - .endm - -+ .macro pax_enter_kernel -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ make aligned space for saved DACR -+ sub sp, sp, #8 -+ @ save regs -+ stmdb sp!, {r1, r2} -+ @ read DACR from cpu_domain into r1 -+ mov r2, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r2, r2, #(0x1fc0) -+ bic r2, r2, #(0x3f) -+ ldr r1, [r2, #TI_CPU_DOMAIN] -+ @ store old DACR on stack -+ str r1, [sp, #8] -+#ifdef CONFIG_PAX_KERNEXEC -+ @ set type of DOMAIN_KERNEL to DOMAIN_KERNELCLIENT -+ bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT)) -+#endif -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ set current DOMAIN_USER to DOMAIN_NOACCESS -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+#endif -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r2, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r1, r2} -+#endif -+ .endm -+ -+ .macro pax_open_userland -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read DACR from cpu_domain into r1 -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ ldr r1, [r0, #TI_CPU_DOMAIN] -+ @ set current DOMAIN_USER to DOMAIN_CLIENT -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_USER, DOMAIN_UDEREF)) -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm -+ -+ .macro pax_close_userland -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read DACR from cpu_domain into r1 -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ ldr r1, [r0, #TI_CPU_DOMAIN] -+ @ set current DOMAIN_USER to DOMAIN_NOACCESS -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm -+ - .macro pabt_helper - @ PABORT handler takes pt_regs in r2, fault address in r4 and psr in r5 - #ifdef MULTI_PABORT -@@ -90,11 +171,15 @@ - * Invalid mode handlers - */ - .macro inv_entry, reason -+ -+ pax_enter_kernel -+ - sub sp, sp, #S_FRAME_SIZE - ARM( stmib sp, {r1 - lr} ) - THUMB( stmia sp, {r0 - r12} ) - THUMB( str sp, [sp, #S_SP] ) - THUMB( str lr, [sp, #S_LR] ) -+ - mov r1, #\reason - .endm - -@@ -150,7 +235,11 @@ ENDPROC(__und_invalid) - .macro svc_entry, stack_hole=0, trace=1 - UNWIND(.fnstart ) - UNWIND(.save {r0 - pc} ) -+ -+ pax_enter_kernel -+ - sub sp, sp, #(S_FRAME_SIZE + \stack_hole - 4) -+ - #ifdef CONFIG_THUMB2_KERNEL - SPFIX( str r0, [sp] ) @ temporarily saved - SPFIX( mov r0, sp ) -@@ -165,7 +254,12 @@ ENDPROC(__und_invalid) - ldmia r0, {r3 - r5} - add r7, sp, #S_SP - 4 @ here for interlock avoidance - mov r6, #-1 @ "" "" "" "" -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ offset sp by 8 as done in pax_enter_kernel -+ add r2, sp, #(S_FRAME_SIZE + \stack_hole + 4) -+#else - add r2, sp, #(S_FRAME_SIZE + \stack_hole - 4) -+#endif - SPFIX( addeq r2, r2, #4 ) - str r3, [sp, #-4]! @ save the "real" r0 copied - @ from the exception stack -@@ -369,6 +463,9 @@ ENDPROC(__fiq_abt) - .macro usr_entry, trace=1 - UNWIND(.fnstart ) - UNWIND(.cantunwind ) @ don't unwind the user space -+ -+ pax_enter_kernel_user -+ - sub sp, sp, #S_FRAME_SIZE - ARM( stmib sp, {r1 - r12} ) - THUMB( stmia sp, {r0 - r12} ) -@@ -479,7 +576,9 @@ __und_usr: - tst r3, #PSR_T_BIT @ Thumb mode? - bne __und_usr_thumb - sub r4, r2, #4 @ ARM instr at LR - 4 -+ pax_open_userland - 1: ldrt r0, [r4] -+ pax_close_userland - ARM_BE8(rev r0, r0) @ little endian instruction - - @ r0 = 32-bit ARM instruction which caused the exception -@@ -513,11 +612,15 @@ __und_usr_thumb: - */ - .arch armv6t2 - #endif -+ pax_open_userland - 2: ldrht r5, [r4] -+ pax_close_userland - ARM_BE8(rev16 r5, r5) @ little endian instruction - cmp r5, #0xe800 @ 32bit instruction if xx != 0 - blo __und_usr_fault_16 @ 16bit undefined instruction -+ pax_open_userland - 3: ldrht r0, [r2] -+ pax_close_userland - ARM_BE8(rev16 r0, r0) @ little endian instruction - add r2, r2, #2 @ r2 is PC + 2, make it PC + 4 - str r2, [sp, #S_PC] @ it's a 2x16bit instr, update -@@ -547,7 +650,8 @@ ENDPROC(__und_usr) - */ - .pushsection .text.fixup, "ax" - .align 2 --4: str r4, [sp, #S_PC] @ retry current instruction -+4: pax_close_userland -+ str r4, [sp, #S_PC] @ retry current instruction - ret r9 - .popsection - .pushsection __ex_table,"a" -@@ -767,7 +871,7 @@ ENTRY(__switch_to) - THUMB( str lr, [ip], #4 ) - ldr r4, [r2, #TI_TP_VALUE] - ldr r5, [r2, #TI_TP_VALUE + 4] --#ifdef CONFIG_CPU_USE_DOMAINS -+#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) - ldr r6, [r2, #TI_CPU_DOMAIN] - #endif - switch_tls r1, r4, r5, r3, r7 -@@ -776,7 +880,7 @@ ENTRY(__switch_to) - ldr r8, =__stack_chk_guard - ldr r7, [r7, #TSK_STACK_CANARY] - #endif --#ifdef CONFIG_CPU_USE_DOMAINS -+#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) - mcr p15, 0, r6, c3, c0, 0 @ Set domain register - #endif - mov r5, r0 -diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S -index 4e7f40c..0f9ee2c 100644 ---- a/arch/arm/kernel/entry-common.S -+++ b/arch/arm/kernel/entry-common.S -@@ -11,18 +11,46 @@ - #include <asm/assembler.h> - #include <asm/unistd.h> - #include <asm/ftrace.h> -+#include <asm/domain.h> - #include <asm/unwind.h> - -+#include "entry-header.S" -+ - #ifdef CONFIG_NEED_RET_TO_USER - #include <mach/entry-macro.S> - #else - .macro arch_ret_to_user, tmp1, tmp2 -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ save regs -+ stmdb sp!, {r1, r2} -+ @ read DACR from cpu_domain into r1 -+ mov r2, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r2, r2, #(0x1fc0) -+ bic r2, r2, #(0x3f) -+ ldr r1, [r2, #TI_CPU_DOMAIN] -+#ifdef CONFIG_PAX_KERNEXEC -+ @ set type of DOMAIN_KERNEL to DOMAIN_KERNELCLIENT -+ bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT)) -+#endif -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ set current DOMAIN_USER to DOMAIN_UDEREF -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_USER, DOMAIN_UDEREF)) -+#endif -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r2, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r1, r2} -+#endif - .endm - #endif - --#include "entry-header.S" -- -- - .align 5 - /* - * This is the fast syscall return path. We do as little as -@@ -173,6 +201,12 @@ ENTRY(vector_swi) - USER( ldr scno, [lr, #-4] ) @ get SWI instruction - #endif - -+ /* -+ * do this here to avoid a performance hit of wrapping the code above -+ * that directly dereferences userland to parse the SWI instruction -+ */ -+ pax_enter_kernel_user -+ - adr tbl, sys_call_table @ load syscall table pointer - - #if defined(CONFIG_OABI_COMPAT) -diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S -index 1a0045a..9b4f34d 100644 ---- a/arch/arm/kernel/entry-header.S -+++ b/arch/arm/kernel/entry-header.S -@@ -196,6 +196,60 @@ - msr cpsr_c, \rtemp @ switch back to the SVC mode - .endm - -+ .macro pax_enter_kernel_user -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read DACR from cpu_domain into r1 -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ ldr r1, [r0, #TI_CPU_DOMAIN] -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ @ set current DOMAIN_USER to DOMAIN_NOACCESS -+ bic r1, r1, #(domain_val(DOMAIN_USER, 3)) -+#endif -+#ifdef CONFIG_PAX_KERNEXEC -+ @ set current DOMAIN_KERNEL to DOMAIN_KERNELCLIENT -+ bic r1, r1, #(domain_val(DOMAIN_KERNEL, 3)) -+ orr r1, r1, #(domain_val(DOMAIN_KERNEL, DOMAIN_KERNELCLIENT)) -+#endif -+ @ write r1 to current_thread_info()->cpu_domain -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm -+ -+ .macro pax_exit_kernel -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ @ save regs -+ stmdb sp!, {r0, r1} -+ @ read old DACR from stack into r1 -+ ldr r1, [sp, #(8 + S_SP)] -+ sub r1, r1, #8 -+ ldr r1, [r1] -+ -+ @ write r1 to current_thread_info()->cpu_domain -+ mov r0, sp -+ @ assume 8K pages, since we have to split the immediate in two -+ bic r0, r0, #(0x1fc0) -+ bic r0, r0, #(0x3f) -+ str r1, [r0, #TI_CPU_DOMAIN] -+ @ write r1 to DACR -+ mcr p15, 0, r1, c3, c0, 0 -+ @ instruction sync -+ instr_sync -+ @ restore regs -+ ldmia sp!, {r0, r1} -+#endif -+ .endm -+ - #ifndef CONFIG_THUMB2_KERNEL - .macro svc_exit, rpsr, irq = 0 - .if \irq != 0 -@@ -215,6 +269,9 @@ - blne trace_hardirqs_off - #endif - .endif -+ -+ pax_exit_kernel -+ - msr spsr_cxsf, \rpsr - #if defined(CONFIG_CPU_V6) || defined(CONFIG_CPU_32v6K) - @ We must avoid clrex due to Cortex-A15 erratum #830321 -@@ -291,6 +348,9 @@ - blne trace_hardirqs_off - #endif - .endif -+ -+ pax_exit_kernel -+ - ldr lr, [sp, #S_SP] @ top of the stack - ldrd r0, r1, [sp, #S_LR] @ calling lr and pc - -diff --git a/arch/arm/kernel/fiq.c b/arch/arm/kernel/fiq.c -index 059c3da..8e45cfc 100644 ---- a/arch/arm/kernel/fiq.c -+++ b/arch/arm/kernel/fiq.c -@@ -95,7 +95,10 @@ void set_fiq_handler(void *start, unsigned int length) - void *base = vectors_page; - unsigned offset = FIQ_OFFSET; - -+ pax_open_kernel(); - memcpy(base + offset, start, length); -+ pax_close_kernel(); -+ - if (!cache_is_vipt_nonaliasing()) - flush_icache_range((unsigned long)base + offset, offset + - length); -diff --git a/arch/arm/kernel/head.S b/arch/arm/kernel/head.S -index 3637973..cb29657 100644 ---- a/arch/arm/kernel/head.S -+++ b/arch/arm/kernel/head.S -@@ -444,7 +444,7 @@ __enable_mmu: - mov r5, #(domain_val(DOMAIN_USER, DOMAIN_MANAGER) | \ - domain_val(DOMAIN_KERNEL, DOMAIN_MANAGER) | \ - domain_val(DOMAIN_TABLE, DOMAIN_MANAGER) | \ -- domain_val(DOMAIN_IO, DOMAIN_CLIENT)) -+ domain_val(DOMAIN_IO, DOMAIN_KERNELCLIENT)) - mcr p15, 0, r5, c3, c0, 0 @ load domain access register - mcr p15, 0, r4, c2, c0, 0 @ load page table pointer - #endif -diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c -index af791f4..3ff9821 100644 ---- a/arch/arm/kernel/module.c -+++ b/arch/arm/kernel/module.c -@@ -38,12 +38,39 @@ - #endif - - #ifdef CONFIG_MMU --void *module_alloc(unsigned long size) -+static inline void *__module_alloc(unsigned long size, pgprot_t prot) - { -+ if (!size || PAGE_ALIGN(size) > MODULES_END - MODULES_VADDR) -+ return NULL; - return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, -- GFP_KERNEL, PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, -+ GFP_KERNEL, prot, 0, NUMA_NO_NODE, - __builtin_return_address(0)); - } -+ -+void *module_alloc(unsigned long size) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ return __module_alloc(size, PAGE_KERNEL); -+#else -+ return __module_alloc(size, PAGE_KERNEL_EXEC); -+#endif -+ -+} -+ -+#ifdef CONFIG_PAX_KERNEXEC -+void module_memfree_exec(void *module_region) -+{ -+ module_memfree(module_region); -+} -+EXPORT_SYMBOL(module_memfree_exec); -+ -+void *module_alloc_exec(unsigned long size) -+{ -+ return __module_alloc(size, PAGE_KERNEL_EXEC); -+} -+EXPORT_SYMBOL(module_alloc_exec); -+#endif - #endif - - int -diff --git a/arch/arm/kernel/patch.c b/arch/arm/kernel/patch.c -index 69bda1a..755113a 100644 ---- a/arch/arm/kernel/patch.c -+++ b/arch/arm/kernel/patch.c -@@ -66,6 +66,7 @@ void __kprobes __patch_text_real(void *addr, unsigned int insn, bool remap) - else - __acquire(&patch_lock); - -+ pax_open_kernel(); - if (thumb2 && __opcode_is_thumb16(insn)) { - *(u16 *)waddr = __opcode_to_mem_thumb16(insn); - size = sizeof(u16); -@@ -97,6 +98,7 @@ void __kprobes __patch_text_real(void *addr, unsigned int insn, bool remap) - *(u32 *)waddr = insn; - size = sizeof(u32); - } -+ pax_close_kernel(); - - if (waddr != addr) { - flush_kernel_vmap_range(waddr, twopage ? size / 2 : size); -diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c -index f192a2a..1a40523 100644 ---- a/arch/arm/kernel/process.c -+++ b/arch/arm/kernel/process.c -@@ -105,8 +105,8 @@ void __show_regs(struct pt_regs *regs) - - show_regs_print_info(KERN_DEFAULT); - -- print_symbol("PC is at %s\n", instruction_pointer(regs)); -- print_symbol("LR is at %s\n", regs->ARM_lr); -+ printk("PC is at %pA\n", (void *)instruction_pointer(regs)); -+ printk("LR is at %pA\n", (void *)regs->ARM_lr); - printk("pc : [<%08lx>] lr : [<%08lx>] psr: %08lx\n" - "sp : %08lx ip : %08lx fp : %08lx\n", - regs->ARM_pc, regs->ARM_lr, regs->ARM_cpsr, -@@ -283,12 +283,6 @@ unsigned long get_wchan(struct task_struct *p) - return 0; - } - --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long range_end = mm->brk + 0x02000000; -- return randomize_range(mm->brk, range_end, 0) ? : mm->brk; --} -- - #ifdef CONFIG_MMU - #ifdef CONFIG_KUSER_HELPERS - /* -@@ -304,7 +298,7 @@ static struct vm_area_struct gate_vma = { - - static int __init gate_vma_init(void) - { -- gate_vma.vm_page_prot = PAGE_READONLY_EXEC; -+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags); - return 0; - } - arch_initcall(gate_vma_init); -@@ -333,91 +327,13 @@ const char *arch_vma_name(struct vm_area_struct *vma) - return is_gate_vma(vma) ? "[vectors]" : NULL; - } - --/* If possible, provide a placement hint at a random offset from the -- * stack for the sigpage and vdso pages. -- */ --static unsigned long sigpage_addr(const struct mm_struct *mm, -- unsigned int npages) --{ -- unsigned long offset; -- unsigned long first; -- unsigned long last; -- unsigned long addr; -- unsigned int slots; -- -- first = PAGE_ALIGN(mm->start_stack); -- -- last = TASK_SIZE - (npages << PAGE_SHIFT); -- -- /* No room after stack? */ -- if (first > last) -- return 0; -- -- /* Just enough room? */ -- if (first == last) -- return first; -- -- slots = ((last - first) >> PAGE_SHIFT) + 1; -- -- offset = get_random_int() % slots; -- -- addr = first + (offset << PAGE_SHIFT); -- -- return addr; --} -- --static struct page *signal_page; --extern struct page *get_signal_page(void); -- --static const struct vm_special_mapping sigpage_mapping = { -- .name = "[sigpage]", -- .pages = &signal_page, --}; -- - int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - { - struct mm_struct *mm = current->mm; -- struct vm_area_struct *vma; -- unsigned long npages; -- unsigned long addr; -- unsigned long hint; -- int ret = 0; -- -- if (!signal_page) -- signal_page = get_signal_page(); -- if (!signal_page) -- return -ENOMEM; -- -- npages = 1; /* for sigpage */ -- npages += vdso_total_pages; - - down_write(&mm->mmap_sem); -- hint = sigpage_addr(mm, npages); -- addr = get_unmapped_area(NULL, hint, npages << PAGE_SHIFT, 0, 0); -- if (IS_ERR_VALUE(addr)) { -- ret = addr; -- goto up_fail; -- } -- -- vma = _install_special_mapping(mm, addr, PAGE_SIZE, -- VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC, -- &sigpage_mapping); -- -- if (IS_ERR(vma)) { -- ret = PTR_ERR(vma); -- goto up_fail; -- } -- -- mm->context.sigpage = addr; -- -- /* Unlike the sigpage, failure to install the vdso is unlikely -- * to be fatal to the process, so no error check needed -- * here. -- */ -- arm_install_vdso(mm, addr + PAGE_SIZE); -- -- up_fail: -+ mm->context.sigpage = (PAGE_OFFSET + (get_random_int() % 0x3FFEFFE0)) & 0xFFFFFFFC; - up_write(&mm->mmap_sem); -- return ret; -+ return 0; - } - #endif -diff --git a/arch/arm/kernel/psci.c b/arch/arm/kernel/psci.c -index f90fdf4..24e8c84 100644 ---- a/arch/arm/kernel/psci.c -+++ b/arch/arm/kernel/psci.c -@@ -26,7 +26,7 @@ - #include <asm/psci.h> - #include <asm/system_misc.h> - --struct psci_operations psci_ops; -+struct psci_operations psci_ops __read_only; - - static int (*invoke_psci_fn)(u32, u32, u32, u32); - typedef int (*psci_initcall_t)(const struct device_node *); -diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c -index ef9119f..31995a3 100644 ---- a/arch/arm/kernel/ptrace.c -+++ b/arch/arm/kernel/ptrace.c -@@ -928,10 +928,19 @@ static void tracehook_report_syscall(struct pt_regs *regs, - regs->ARM_ip = ip; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - asmlinkage int syscall_trace_enter(struct pt_regs *regs, int scno) - { - current_thread_info()->syscall = scno; - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - /* Do the secure computing check first; failures should be fast. */ - #ifdef CONFIG_HAVE_ARCH_SECCOMP_FILTER - if (secure_computing() == -1) -diff --git a/arch/arm/kernel/reboot.c b/arch/arm/kernel/reboot.c -index 1a4d232..2677169 100644 ---- a/arch/arm/kernel/reboot.c -+++ b/arch/arm/kernel/reboot.c -@@ -122,6 +122,7 @@ void machine_power_off(void) - - if (pm_power_off) - pm_power_off(); -+ while (1); - } - - /* -diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c -index 6c777e9..3d2d0ca 100644 ---- a/arch/arm/kernel/setup.c -+++ b/arch/arm/kernel/setup.c -@@ -105,21 +105,23 @@ EXPORT_SYMBOL(elf_hwcap); - unsigned int elf_hwcap2 __read_mostly; - EXPORT_SYMBOL(elf_hwcap2); - -+pteval_t __supported_pte_mask __read_only; -+pmdval_t __supported_pmd_mask __read_only; - - #ifdef MULTI_CPU --struct processor processor __read_mostly; -+struct processor processor __read_only; - #endif - #ifdef MULTI_TLB --struct cpu_tlb_fns cpu_tlb __read_mostly; -+struct cpu_tlb_fns cpu_tlb __read_only; - #endif - #ifdef MULTI_USER --struct cpu_user_fns cpu_user __read_mostly; -+struct cpu_user_fns cpu_user __read_only; - #endif - #ifdef MULTI_CACHE --struct cpu_cache_fns cpu_cache __read_mostly; -+struct cpu_cache_fns cpu_cache __read_only; - #endif - #ifdef CONFIG_OUTER_CACHE --struct outer_cache_fns outer_cache __read_mostly; -+struct outer_cache_fns outer_cache __read_only; - EXPORT_SYMBOL(outer_cache); - #endif - -@@ -250,9 +252,13 @@ static int __get_cpu_architecture(void) - * Register 0 and check for VMSAv7 or PMSAv7 */ - unsigned int mmfr0 = read_cpuid_ext(CPUID_EXT_MMFR0); - if ((mmfr0 & 0x0000000f) >= 0x00000003 || -- (mmfr0 & 0x000000f0) >= 0x00000030) -+ (mmfr0 & 0x000000f0) >= 0x00000030) { - cpu_arch = CPU_ARCH_ARMv7; -- else if ((mmfr0 & 0x0000000f) == 0x00000002 || -+ if ((mmfr0 & 0x0000000f) == 0x00000005 || (mmfr0 & 0x0000000f) == 0x00000004) { -+ __supported_pte_mask |= L_PTE_PXN; -+ __supported_pmd_mask |= PMD_PXNTABLE; -+ } -+ } else if ((mmfr0 & 0x0000000f) == 0x00000002 || - (mmfr0 & 0x000000f0) == 0x00000020) - cpu_arch = CPU_ARCH_ARMv6; - else -diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c -index 423663e..bfeb0ff 100644 ---- a/arch/arm/kernel/signal.c -+++ b/arch/arm/kernel/signal.c -@@ -24,8 +24,6 @@ - - extern const unsigned long sigreturn_codes[7]; - --static unsigned long signal_return_offset; -- - #ifdef CONFIG_CRUNCH - static int preserve_crunch_context(struct crunch_sigframe __user *frame) - { -@@ -385,8 +383,7 @@ setup_return(struct pt_regs *regs, struct ksignal *ksig, - * except when the MPU has protected the vectors - * page from PL0 - */ -- retcode = mm->context.sigpage + signal_return_offset + -- (idx << 2) + thumb; -+ retcode = mm->context.sigpage + (idx << 2) + thumb; - } else - #endif - { -@@ -592,33 +589,3 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) - } while (thread_flags & _TIF_WORK_MASK); - return 0; - } -- --struct page *get_signal_page(void) --{ -- unsigned long ptr; -- unsigned offset; -- struct page *page; -- void *addr; -- -- page = alloc_pages(GFP_KERNEL, 0); -- -- if (!page) -- return NULL; -- -- addr = page_address(page); -- -- /* Give the signal return code some randomness */ -- offset = 0x200 + (get_random_int() & 0x7fc); -- signal_return_offset = offset; -- -- /* -- * Copy signal return handlers into the vector page, and -- * set sigreturn to be a pointer to these. -- */ -- memcpy(addr + offset, sigreturn_codes, sizeof(sigreturn_codes)); -- -- ptr = (unsigned long)addr + offset; -- flush_icache_range(ptr, ptr + sizeof(sigreturn_codes)); -- -- return page; --} -diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c -index f11d825..bbe686f 100644 ---- a/arch/arm/kernel/smp.c -+++ b/arch/arm/kernel/smp.c -@@ -76,7 +76,7 @@ enum ipi_msg_type { - - static DECLARE_COMPLETION(cpu_running); - --static struct smp_operations smp_ops; -+static struct smp_operations smp_ops __read_only; - - void __init smp_set_ops(struct smp_operations *ops) - { -diff --git a/arch/arm/kernel/tcm.c b/arch/arm/kernel/tcm.c -index 7a3be1d..b00c7de 100644 ---- a/arch/arm/kernel/tcm.c -+++ b/arch/arm/kernel/tcm.c -@@ -61,7 +61,7 @@ static struct map_desc itcm_iomap[] __initdata = { - .virtual = ITCM_OFFSET, - .pfn = __phys_to_pfn(ITCM_OFFSET), - .length = 0, -- .type = MT_MEMORY_RWX_ITCM, -+ .type = MT_MEMORY_RX_ITCM, - } - }; - -@@ -267,7 +267,9 @@ no_dtcm: - start = &__sitcm_text; - end = &__eitcm_text; - ram = &__itcm_start; -+ pax_open_kernel(); - memcpy(start, ram, itcm_code_sz); -+ pax_close_kernel(); - pr_debug("CPU ITCM: copied code from %p - %p\n", - start, end); - itcm_present = true; -diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c -index 3dce1a3..60e857f 100644 ---- a/arch/arm/kernel/traps.c -+++ b/arch/arm/kernel/traps.c -@@ -65,7 +65,7 @@ static void dump_mem(const char *, const char *, unsigned long, unsigned long); - void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame) - { - #ifdef CONFIG_KALLSYMS -- printk("[<%08lx>] (%ps) from [<%08lx>] (%pS)\n", where, (void *)where, from, (void *)from); -+ printk("[<%08lx>] (%pA) from [<%08lx>] (%pA)\n", where, (void *)where, from, (void *)from); - #else - printk("Function entered at [<%08lx>] from [<%08lx>]\n", where, from); - #endif -@@ -267,6 +267,8 @@ static arch_spinlock_t die_lock = __ARCH_SPIN_LOCK_UNLOCKED; - static int die_owner = -1; - static unsigned int die_nest_count; - -+extern void gr_handle_kernel_exploit(void); -+ - static unsigned long oops_begin(void) - { - int cpu; -@@ -309,6 +311,9 @@ static void oops_end(unsigned long flags, struct pt_regs *regs, int signr) - panic("Fatal exception in interrupt"); - if (panic_on_oops) - panic("Fatal exception"); -+ -+ gr_handle_kernel_exploit(); -+ - if (signr) - do_exit(signr); - } -@@ -878,7 +883,11 @@ void __init early_trap_init(void *vectors_base) - kuser_init(vectors_base); - - flush_icache_range(vectors, vectors + PAGE_SIZE * 2); -- modify_domain(DOMAIN_USER, DOMAIN_CLIENT); -+ -+#ifndef CONFIG_PAX_MEMORY_UDEREF -+ modify_domain(DOMAIN_USER, DOMAIN_USERCLIENT); -+#endif -+ - #else /* ifndef CONFIG_CPU_V7M */ - /* - * on V7-M there is no need to copy the vector table to a dedicated -diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S -index 8b60fde..8d986dd 100644 ---- a/arch/arm/kernel/vmlinux.lds.S -+++ b/arch/arm/kernel/vmlinux.lds.S -@@ -37,7 +37,7 @@ - #endif - - #if (defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK)) || \ -- defined(CONFIG_GENERIC_BUG) -+ defined(CONFIG_GENERIC_BUG) || defined(CONFIG_PAX_REFCOUNT) - #define ARM_EXIT_KEEP(x) x - #define ARM_EXIT_DISCARD(x) - #else -@@ -120,6 +120,8 @@ SECTIONS - #ifdef CONFIG_DEBUG_RODATA - . = ALIGN(1<<SECTION_SHIFT); - #endif -+ _etext = .; /* End of text section */ -+ - RO_DATA(PAGE_SIZE) - - . = ALIGN(4); -@@ -150,8 +152,6 @@ SECTIONS - - NOTES - -- _etext = .; /* End of text and rodata section */ -- - #ifndef CONFIG_XIP_KERNEL - # ifdef CONFIG_ARM_KERNMEM_PERMS - . = ALIGN(1<<SECTION_SHIFT); -diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c -index d9631ec..b0c966c 100644 ---- a/arch/arm/kvm/arm.c -+++ b/arch/arm/kvm/arm.c -@@ -57,7 +57,7 @@ static unsigned long hyp_default_vectors; - static DEFINE_PER_CPU(struct kvm_vcpu *, kvm_arm_running_vcpu); - - /* The VMID used in the VTTBR */ --static atomic64_t kvm_vmid_gen = ATOMIC64_INIT(1); -+static atomic64_unchecked_t kvm_vmid_gen = ATOMIC64_INIT(1); - static u8 kvm_next_vmid; - static DEFINE_SPINLOCK(kvm_vmid_lock); - -@@ -373,7 +373,7 @@ void force_vm_exit(const cpumask_t *mask) - */ - static bool need_new_vmid_gen(struct kvm *kvm) - { -- return unlikely(kvm->arch.vmid_gen != atomic64_read(&kvm_vmid_gen)); -+ return unlikely(kvm->arch.vmid_gen != atomic64_read_unchecked(&kvm_vmid_gen)); - } - - /** -@@ -406,7 +406,7 @@ static void update_vttbr(struct kvm *kvm) - - /* First user of a new VMID generation? */ - if (unlikely(kvm_next_vmid == 0)) { -- atomic64_inc(&kvm_vmid_gen); -+ atomic64_inc_unchecked(&kvm_vmid_gen); - kvm_next_vmid = 1; - - /* -@@ -423,7 +423,7 @@ static void update_vttbr(struct kvm *kvm) - kvm_call_hyp(__kvm_flush_vm_context); - } - -- kvm->arch.vmid_gen = atomic64_read(&kvm_vmid_gen); -+ kvm->arch.vmid_gen = atomic64_read_unchecked(&kvm_vmid_gen); - kvm->arch.vmid = kvm_next_vmid; - kvm_next_vmid++; - -@@ -1098,7 +1098,7 @@ struct kvm_vcpu *kvm_mpidr_to_vcpu(struct kvm *kvm, unsigned long mpidr) - /** - * Initialize Hyp-mode and memory mappings on all CPUs. - */ --int kvm_arch_init(void *opaque) -+int kvm_arch_init(const void *opaque) - { - int err; - int ret, cpu; -diff --git a/arch/arm/lib/clear_user.S b/arch/arm/lib/clear_user.S -index 1710fd7..ec3e014 100644 ---- a/arch/arm/lib/clear_user.S -+++ b/arch/arm/lib/clear_user.S -@@ -12,14 +12,14 @@ - - .text - --/* Prototype: int __clear_user(void *addr, size_t sz) -+/* Prototype: int ___clear_user(void *addr, size_t sz) - * Purpose : clear some user memory - * Params : addr - user memory address to clear - * : sz - number of bytes to clear - * Returns : number of bytes NOT cleared - */ - ENTRY(__clear_user_std) --WEAK(__clear_user) -+WEAK(___clear_user) - stmfd sp!, {r1, lr} - mov r2, #0 - cmp r1, #4 -@@ -44,7 +44,7 @@ WEAK(__clear_user) - USER( strnebt r2, [r0]) - mov r0, #0 - ldmfd sp!, {r1, pc} --ENDPROC(__clear_user) -+ENDPROC(___clear_user) - ENDPROC(__clear_user_std) - - .pushsection .text.fixup,"ax" -diff --git a/arch/arm/lib/copy_from_user.S b/arch/arm/lib/copy_from_user.S -index 7a235b9..73a0556 100644 ---- a/arch/arm/lib/copy_from_user.S -+++ b/arch/arm/lib/copy_from_user.S -@@ -17,7 +17,7 @@ - /* - * Prototype: - * -- * size_t __copy_from_user(void *to, const void *from, size_t n) -+ * size_t ___copy_from_user(void *to, const void *from, size_t n) - * - * Purpose: - * -@@ -89,11 +89,11 @@ - - .text - --ENTRY(__copy_from_user) -+ENTRY(___copy_from_user) - - #include "copy_template.S" - --ENDPROC(__copy_from_user) -+ENDPROC(___copy_from_user) - - .pushsection .fixup,"ax" - .align 0 -diff --git a/arch/arm/lib/copy_page.S b/arch/arm/lib/copy_page.S -index 6ee2f67..d1cce76 100644 ---- a/arch/arm/lib/copy_page.S -+++ b/arch/arm/lib/copy_page.S -@@ -10,6 +10,7 @@ - * ASM optimised string functions - */ - #include <linux/linkage.h> -+#include <linux/const.h> - #include <asm/assembler.h> - #include <asm/asm-offsets.h> - #include <asm/cache.h> -diff --git a/arch/arm/lib/copy_to_user.S b/arch/arm/lib/copy_to_user.S -index 9648b06..19c333c 100644 ---- a/arch/arm/lib/copy_to_user.S -+++ b/arch/arm/lib/copy_to_user.S -@@ -17,7 +17,7 @@ - /* - * Prototype: - * -- * size_t __copy_to_user(void *to, const void *from, size_t n) -+ * size_t ___copy_to_user(void *to, const void *from, size_t n) - * - * Purpose: - * -@@ -93,11 +93,11 @@ - .text - - ENTRY(__copy_to_user_std) --WEAK(__copy_to_user) -+WEAK(___copy_to_user) - - #include "copy_template.S" - --ENDPROC(__copy_to_user) -+ENDPROC(___copy_to_user) - ENDPROC(__copy_to_user_std) - - .pushsection .text.fixup,"ax" -diff --git a/arch/arm/lib/csumpartialcopyuser.S b/arch/arm/lib/csumpartialcopyuser.S -index 1d0957e..f708846 100644 ---- a/arch/arm/lib/csumpartialcopyuser.S -+++ b/arch/arm/lib/csumpartialcopyuser.S -@@ -57,8 +57,8 @@ - * Returns : r0 = checksum, [[sp, #0], #0] = 0 or -EFAULT - */ - --#define FN_ENTRY ENTRY(csum_partial_copy_from_user) --#define FN_EXIT ENDPROC(csum_partial_copy_from_user) -+#define FN_ENTRY ENTRY(__csum_partial_copy_from_user) -+#define FN_EXIT ENDPROC(__csum_partial_copy_from_user) - - #include "csumpartialcopygeneric.S" - -diff --git a/arch/arm/lib/delay.c b/arch/arm/lib/delay.c -index 8044591..c9b2609 100644 ---- a/arch/arm/lib/delay.c -+++ b/arch/arm/lib/delay.c -@@ -29,7 +29,7 @@ - /* - * Default to the loop-based delay implementation. - */ --struct arm_delay_ops arm_delay_ops = { -+struct arm_delay_ops arm_delay_ops __read_only = { - .delay = __loop_delay, - .const_udelay = __loop_const_udelay, - .udelay = __loop_udelay, -diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c -index 3e58d71..029817c 100644 ---- a/arch/arm/lib/uaccess_with_memcpy.c -+++ b/arch/arm/lib/uaccess_with_memcpy.c -@@ -136,7 +136,7 @@ out: - } - - unsigned long --__copy_to_user(void __user *to, const void *from, unsigned long n) -+___copy_to_user(void __user *to, const void *from, unsigned long n) - { - /* - * This test is stubbed out of the main function above to keep -@@ -190,7 +190,7 @@ out: - return n; - } - --unsigned long __clear_user(void __user *addr, unsigned long n) -+unsigned long ___clear_user(void __user *addr, unsigned long n) - { - /* See rational for this in __copy_to_user() above. */ - if (n < 64) -diff --git a/arch/arm/mach-exynos/suspend.c b/arch/arm/mach-exynos/suspend.c -index 7d23ce0..5ef383a 100644 ---- a/arch/arm/mach-exynos/suspend.c -+++ b/arch/arm/mach-exynos/suspend.c -@@ -738,8 +738,10 @@ void __init exynos_pm_init(void) - tmp |= pm_data->wake_disable_mask; - pmu_raw_writel(tmp, S5P_WAKEUP_MASK); - -- exynos_pm_syscore_ops.suspend = pm_data->pm_suspend; -- exynos_pm_syscore_ops.resume = pm_data->pm_resume; -+ pax_open_kernel(); -+ *(void **)&exynos_pm_syscore_ops.suspend = pm_data->pm_suspend; -+ *(void **)&exynos_pm_syscore_ops.resume = pm_data->pm_resume; -+ pax_close_kernel(); - - register_syscore_ops(&exynos_pm_syscore_ops); - suspend_set_ops(&exynos_suspend_ops); -diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c -index 0662087..004d163 100644 ---- a/arch/arm/mach-keystone/keystone.c -+++ b/arch/arm/mach-keystone/keystone.c -@@ -27,7 +27,7 @@ - - #include "keystone.h" - --static struct notifier_block platform_nb; -+static notifier_block_no_const platform_nb; - static unsigned long keystone_dma_pfn_offset __read_mostly; - - static int keystone_platform_notifier(struct notifier_block *nb, -diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c -index e46e9ea..9141c83 100644 ---- a/arch/arm/mach-mvebu/coherency.c -+++ b/arch/arm/mach-mvebu/coherency.c -@@ -117,7 +117,7 @@ static void __init armada_370_coherency_init(struct device_node *np) - - /* - * This ioremap hook is used on Armada 375/38x to ensure that PCIe -- * memory areas are mapped as MT_UNCACHED instead of MT_DEVICE. This -+ * memory areas are mapped as MT_UNCACHED_RW instead of MT_DEVICE. This - * is needed as a workaround for a deadlock issue between the PCIe - * interface and the cache controller. - */ -@@ -130,7 +130,7 @@ armada_pcie_wa_ioremap_caller(phys_addr_t phys_addr, size_t size, - mvebu_mbus_get_pcie_mem_aperture(&pcie_mem); - - if (pcie_mem.start <= phys_addr && (phys_addr + size) <= pcie_mem.end) -- mtype = MT_UNCACHED; -+ mtype = MT_UNCACHED_RW; - - return __arm_ioremap_caller(phys_addr, size, mtype, caller); - } -diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c -index b6443a4..20a0b74 100644 ---- a/arch/arm/mach-omap2/board-n8x0.c -+++ b/arch/arm/mach-omap2/board-n8x0.c -@@ -569,7 +569,7 @@ static int n8x0_menelaus_late_init(struct device *dev) - } - #endif - --struct menelaus_platform_data n8x0_menelaus_platform_data __initdata = { -+struct menelaus_platform_data n8x0_menelaus_platform_data __initconst = { - .late_init = n8x0_menelaus_late_init, - }; - -diff --git a/arch/arm/mach-omap2/omap-mpuss-lowpower.c b/arch/arm/mach-omap2/omap-mpuss-lowpower.c -index 79f49d9..70bf184 100644 ---- a/arch/arm/mach-omap2/omap-mpuss-lowpower.c -+++ b/arch/arm/mach-omap2/omap-mpuss-lowpower.c -@@ -86,7 +86,7 @@ struct cpu_pm_ops { - void (*resume)(void); - void (*scu_prepare)(unsigned int cpu_id, unsigned int cpu_state); - void (*hotplug_restart)(void); --}; -+} __no_const; - - static DEFINE_PER_CPU(struct omap4_cpu_pm_info, omap4_pm_info); - static struct powerdomain *mpuss_pd; -@@ -105,7 +105,7 @@ static void dummy_cpu_resume(void) - static void dummy_scu_prepare(unsigned int cpu_id, unsigned int cpu_state) - {} - --struct cpu_pm_ops omap_pm_ops = { -+static struct cpu_pm_ops omap_pm_ops __read_only = { - .finish_suspend = default_finish_suspend, - .resume = dummy_cpu_resume, - .scu_prepare = dummy_scu_prepare, -diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c -index 5305ec7..6d74045 100644 ---- a/arch/arm/mach-omap2/omap-smp.c -+++ b/arch/arm/mach-omap2/omap-smp.c -@@ -19,6 +19,7 @@ - #include <linux/device.h> - #include <linux/smp.h> - #include <linux/io.h> -+#include <linux/irq.h> - #include <linux/irqchip/arm-gic.h> - - #include <asm/smp_scu.h> -diff --git a/arch/arm/mach-omap2/omap-wakeupgen.c b/arch/arm/mach-omap2/omap-wakeupgen.c -index 6833df4..3e059b2 100644 ---- a/arch/arm/mach-omap2/omap-wakeupgen.c -+++ b/arch/arm/mach-omap2/omap-wakeupgen.c -@@ -330,7 +330,7 @@ static int irq_cpu_hotplug_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __refdata irq_hotplug_notifier = { -+static struct notifier_block irq_hotplug_notifier = { - .notifier_call = irq_cpu_hotplug_notify, - }; - -diff --git a/arch/arm/mach-omap2/omap_device.c b/arch/arm/mach-omap2/omap_device.c -index 166b18f..f985f04 100644 ---- a/arch/arm/mach-omap2/omap_device.c -+++ b/arch/arm/mach-omap2/omap_device.c -@@ -510,7 +510,7 @@ void omap_device_delete(struct omap_device *od) - struct platform_device __init *omap_device_build(const char *pdev_name, - int pdev_id, - struct omap_hwmod *oh, -- void *pdata, int pdata_len) -+ const void *pdata, int pdata_len) - { - struct omap_hwmod *ohs[] = { oh }; - -@@ -538,7 +538,7 @@ struct platform_device __init *omap_device_build(const char *pdev_name, - struct platform_device __init *omap_device_build_ss(const char *pdev_name, - int pdev_id, - struct omap_hwmod **ohs, -- int oh_cnt, void *pdata, -+ int oh_cnt, const void *pdata, - int pdata_len) - { - int ret = -ENOMEM; -diff --git a/arch/arm/mach-omap2/omap_device.h b/arch/arm/mach-omap2/omap_device.h -index 78c02b3..c94109a 100644 ---- a/arch/arm/mach-omap2/omap_device.h -+++ b/arch/arm/mach-omap2/omap_device.h -@@ -72,12 +72,12 @@ int omap_device_idle(struct platform_device *pdev); - /* Core code interface */ - - struct platform_device *omap_device_build(const char *pdev_name, int pdev_id, -- struct omap_hwmod *oh, void *pdata, -+ struct omap_hwmod *oh, const void *pdata, - int pdata_len); - - struct platform_device *omap_device_build_ss(const char *pdev_name, int pdev_id, - struct omap_hwmod **oh, int oh_cnt, -- void *pdata, int pdata_len); -+ const void *pdata, int pdata_len); - - struct omap_device *omap_device_alloc(struct platform_device *pdev, - struct omap_hwmod **ohs, int oh_cnt); -diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c -index 5286e77..fdd234c 100644 ---- a/arch/arm/mach-omap2/omap_hwmod.c -+++ b/arch/arm/mach-omap2/omap_hwmod.c -@@ -199,10 +199,10 @@ struct omap_hwmod_soc_ops { - int (*init_clkdm)(struct omap_hwmod *oh); - void (*update_context_lost)(struct omap_hwmod *oh); - int (*get_context_lost)(struct omap_hwmod *oh); --}; -+} __no_const; - - /* soc_ops: adapts the omap_hwmod code to the currently-booted SoC */ --static struct omap_hwmod_soc_ops soc_ops; -+static struct omap_hwmod_soc_ops soc_ops __read_only; - - /* omap_hwmod_list contains all registered struct omap_hwmods */ - static LIST_HEAD(omap_hwmod_list); -diff --git a/arch/arm/mach-omap2/powerdomains43xx_data.c b/arch/arm/mach-omap2/powerdomains43xx_data.c -index 95fee54..cfa9cf1 100644 ---- a/arch/arm/mach-omap2/powerdomains43xx_data.c -+++ b/arch/arm/mach-omap2/powerdomains43xx_data.c -@@ -10,6 +10,7 @@ - - #include <linux/kernel.h> - #include <linux/init.h> -+#include <asm/pgtable.h> - - #include "powerdomain.h" - -@@ -129,7 +130,9 @@ static int am43xx_check_vcvp(void) - - void __init am43xx_powerdomains_init(void) - { -- omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp; -+ pax_open_kernel(); -+ *(void **)&omap4_pwrdm_operations.pwrdm_has_voltdm = am43xx_check_vcvp; -+ pax_close_kernel(); - pwrdm_register_platform_funcs(&omap4_pwrdm_operations); - pwrdm_register_pwrdms(powerdomains_am43xx); - pwrdm_complete_init(); -diff --git a/arch/arm/mach-omap2/wd_timer.c b/arch/arm/mach-omap2/wd_timer.c -index ff0a68c..b312aa0 100644 ---- a/arch/arm/mach-omap2/wd_timer.c -+++ b/arch/arm/mach-omap2/wd_timer.c -@@ -110,7 +110,9 @@ static int __init omap_init_wdt(void) - struct omap_hwmod *oh; - char *oh_name = "wd_timer2"; - char *dev_name = "omap_wdt"; -- struct omap_wd_timer_platform_data pdata; -+ static struct omap_wd_timer_platform_data pdata = { -+ .read_reset_sources = prm_read_reset_sources -+ }; - - if (!cpu_class_is_omap2() || of_have_populated_dt()) - return 0; -@@ -121,8 +123,6 @@ static int __init omap_init_wdt(void) - return -EINVAL; - } - -- pdata.read_reset_sources = prm_read_reset_sources; -- - pdev = omap_device_build(dev_name, id, oh, &pdata, - sizeof(struct omap_wd_timer_platform_data)); - WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n", -diff --git a/arch/arm/mach-tegra/cpuidle-tegra20.c b/arch/arm/mach-tegra/cpuidle-tegra20.c -index 7469347..1ecc350 100644 ---- a/arch/arm/mach-tegra/cpuidle-tegra20.c -+++ b/arch/arm/mach-tegra/cpuidle-tegra20.c -@@ -177,7 +177,7 @@ static int tegra20_idle_lp2_coupled(struct cpuidle_device *dev, - bool entered_lp2 = false; - - if (tegra_pending_sgi()) -- ACCESS_ONCE(abort_flag) = true; -+ ACCESS_ONCE_RW(abort_flag) = true; - - cpuidle_coupled_parallel_barrier(dev, &abort_barrier); - -diff --git a/arch/arm/mach-tegra/irq.c b/arch/arm/mach-tegra/irq.c -index 3b9098d..15b390f 100644 ---- a/arch/arm/mach-tegra/irq.c -+++ b/arch/arm/mach-tegra/irq.c -@@ -20,6 +20,7 @@ - #include <linux/cpu_pm.h> - #include <linux/interrupt.h> - #include <linux/io.h> -+#include <linux/irq.h> - #include <linux/irqchip/arm-gic.h> - #include <linux/irq.h> - #include <linux/kernel.h> -diff --git a/arch/arm/mach-ux500/pm.c b/arch/arm/mach-ux500/pm.c -index 2cb587b..6ddfebf 100644 ---- a/arch/arm/mach-ux500/pm.c -+++ b/arch/arm/mach-ux500/pm.c -@@ -10,6 +10,7 @@ - */ - - #include <linux/kernel.h> -+#include <linux/irq.h> - #include <linux/irqchip/arm-gic.h> - #include <linux/delay.h> - #include <linux/io.h> -diff --git a/arch/arm/mach-ux500/setup.h b/arch/arm/mach-ux500/setup.h -index 2dea8b5..6499da2 100644 ---- a/arch/arm/mach-ux500/setup.h -+++ b/arch/arm/mach-ux500/setup.h -@@ -33,13 +33,6 @@ extern void ux500_timer_init(void); - .type = MT_DEVICE, \ - } - --#define __MEM_DEV_DESC(x, sz) { \ -- .virtual = IO_ADDRESS(x), \ -- .pfn = __phys_to_pfn(x), \ -- .length = sz, \ -- .type = MT_MEMORY_RWX, \ --} -- - extern struct smp_operations ux500_smp_ops; - extern void ux500_cpu_die(unsigned int cpu); - -diff --git a/arch/arm/mach-zynq/platsmp.c b/arch/arm/mach-zynq/platsmp.c -index f66816c..228b951 100644 ---- a/arch/arm/mach-zynq/platsmp.c -+++ b/arch/arm/mach-zynq/platsmp.c -@@ -24,6 +24,7 @@ - #include <linux/io.h> - #include <asm/cacheflush.h> - #include <asm/smp_scu.h> -+#include <linux/irq.h> - #include <linux/irqchip/arm-gic.h> - #include "common.h" - -diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig -index b4f92b9..ffefea9 100644 ---- a/arch/arm/mm/Kconfig -+++ b/arch/arm/mm/Kconfig -@@ -446,6 +446,7 @@ config CPU_32v5 - - config CPU_32v6 - bool -+ select CPU_USE_DOMAINS if CPU_V6 && MMU && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - select TLS_REG_EMUL if !CPU_32v6K && !MMU - - config CPU_32v6K -@@ -600,6 +601,7 @@ config CPU_CP15_MPU - - config CPU_USE_DOMAINS - bool -+ depends on !ARM_LPAE && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - help - This option enables or disables the use of domain switching - via the set_fs() function. -@@ -798,7 +800,7 @@ config NEED_KUSER_HELPERS - - config KUSER_HELPERS - bool "Enable kuser helpers in vector page" if !NEED_KUSER_HELPERS -- depends on MMU -+ depends on MMU && (!(CPU_V6 || CPU_V6K || CPU_V7) || GRKERNSEC_OLD_ARM_USERLAND) - default y - help - Warning: disabling this option may break user programs. -@@ -812,7 +814,7 @@ config KUSER_HELPERS - See Documentation/arm/kernel_user_helpers.txt for details. - - However, the fixed address nature of these helpers can be used -- by ROP (return orientated programming) authors when creating -+ by ROP (Return Oriented Programming) authors when creating - exploits. - - If all of the binaries and libraries which run on your platform -diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c -index 9769f1e..16aaa55 100644 ---- a/arch/arm/mm/alignment.c -+++ b/arch/arm/mm/alignment.c -@@ -216,10 +216,12 @@ union offset_union { - #define __get16_unaligned_check(ins,val,addr) \ - do { \ - unsigned int err = 0, v, a = addr; \ -+ pax_open_userland(); \ - __get8_unaligned_check(ins,v,a,err); \ - val = v << ((BE) ? 8 : 0); \ - __get8_unaligned_check(ins,v,a,err); \ - val |= v << ((BE) ? 0 : 8); \ -+ pax_close_userland(); \ - if (err) \ - goto fault; \ - } while (0) -@@ -233,6 +235,7 @@ union offset_union { - #define __get32_unaligned_check(ins,val,addr) \ - do { \ - unsigned int err = 0, v, a = addr; \ -+ pax_open_userland(); \ - __get8_unaligned_check(ins,v,a,err); \ - val = v << ((BE) ? 24 : 0); \ - __get8_unaligned_check(ins,v,a,err); \ -@@ -241,6 +244,7 @@ union offset_union { - val |= v << ((BE) ? 8 : 16); \ - __get8_unaligned_check(ins,v,a,err); \ - val |= v << ((BE) ? 0 : 24); \ -+ pax_close_userland(); \ - if (err) \ - goto fault; \ - } while (0) -@@ -254,6 +258,7 @@ union offset_union { - #define __put16_unaligned_check(ins,val,addr) \ - do { \ - unsigned int err = 0, v = val, a = addr; \ -+ pax_open_userland(); \ - __asm__( FIRST_BYTE_16 \ - ARM( "1: "ins" %1, [%2], #1\n" ) \ - THUMB( "1: "ins" %1, [%2]\n" ) \ -@@ -273,6 +278,7 @@ union offset_union { - " .popsection\n" \ - : "=r" (err), "=&r" (v), "=&r" (a) \ - : "0" (err), "1" (v), "2" (a)); \ -+ pax_close_userland(); \ - if (err) \ - goto fault; \ - } while (0) -@@ -286,6 +292,7 @@ union offset_union { - #define __put32_unaligned_check(ins,val,addr) \ - do { \ - unsigned int err = 0, v = val, a = addr; \ -+ pax_open_userland(); \ - __asm__( FIRST_BYTE_32 \ - ARM( "1: "ins" %1, [%2], #1\n" ) \ - THUMB( "1: "ins" %1, [%2]\n" ) \ -@@ -315,6 +322,7 @@ union offset_union { - " .popsection\n" \ - : "=r" (err), "=&r" (v), "=&r" (a) \ - : "0" (err), "1" (v), "2" (a)); \ -+ pax_close_userland(); \ - if (err) \ - goto fault; \ - } while (0) -diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c -index e309c8f..f8965e8 100644 ---- a/arch/arm/mm/cache-l2x0.c -+++ b/arch/arm/mm/cache-l2x0.c -@@ -43,7 +43,7 @@ struct l2c_init_data { - void (*save)(void __iomem *); - void (*configure)(void __iomem *); - struct outer_cache_fns outer_cache; --}; -+} __do_const; - - #define CACHE_LINE_SIZE 32 - -diff --git a/arch/arm/mm/context.c b/arch/arm/mm/context.c -index 845769e..4278fd7 100644 ---- a/arch/arm/mm/context.c -+++ b/arch/arm/mm/context.c -@@ -43,7 +43,7 @@ - #define NUM_USER_ASIDS ASID_FIRST_VERSION - - static DEFINE_RAW_SPINLOCK(cpu_asid_lock); --static atomic64_t asid_generation = ATOMIC64_INIT(ASID_FIRST_VERSION); -+static atomic64_unchecked_t asid_generation = ATOMIC64_INIT(ASID_FIRST_VERSION); - static DECLARE_BITMAP(asid_map, NUM_USER_ASIDS); - - static DEFINE_PER_CPU(atomic64_t, active_asids); -@@ -178,7 +178,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) - { - static u32 cur_idx = 1; - u64 asid = atomic64_read(&mm->context.id); -- u64 generation = atomic64_read(&asid_generation); -+ u64 generation = atomic64_read_unchecked(&asid_generation); - - if (asid != 0) { - /* -@@ -208,7 +208,7 @@ static u64 new_context(struct mm_struct *mm, unsigned int cpu) - */ - asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, cur_idx); - if (asid == NUM_USER_ASIDS) { -- generation = atomic64_add_return(ASID_FIRST_VERSION, -+ generation = atomic64_add_return_unchecked(ASID_FIRST_VERSION, - &asid_generation); - flush_context(cpu); - asid = find_next_zero_bit(asid_map, NUM_USER_ASIDS, 1); -@@ -240,14 +240,14 @@ void check_and_switch_context(struct mm_struct *mm, struct task_struct *tsk) - cpu_set_reserved_ttbr0(); - - asid = atomic64_read(&mm->context.id); -- if (!((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS) -+ if (!((asid ^ atomic64_read_unchecked(&asid_generation)) >> ASID_BITS) - && atomic64_xchg(&per_cpu(active_asids, cpu), asid)) - goto switch_mm_fastpath; - - raw_spin_lock_irqsave(&cpu_asid_lock, flags); - /* Check that our ASID belongs to the current generation. */ - asid = atomic64_read(&mm->context.id); -- if ((asid ^ atomic64_read(&asid_generation)) >> ASID_BITS) { -+ if ((asid ^ atomic64_read_unchecked(&asid_generation)) >> ASID_BITS) { - asid = new_context(mm, cpu); - atomic64_set(&mm->context.id, asid); - } -diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c -index 6333d9c..3bb19f2 100644 ---- a/arch/arm/mm/fault.c -+++ b/arch/arm/mm/fault.c -@@ -25,6 +25,7 @@ - #include <asm/system_misc.h> - #include <asm/system_info.h> - #include <asm/tlbflush.h> -+#include <asm/sections.h> - - #include "fault.h" - -@@ -138,6 +139,31 @@ __do_kernel_fault(struct mm_struct *mm, unsigned long addr, unsigned int fsr, - if (fixup_exception(regs)) - return; - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (addr < TASK_SIZE) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ } -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ if ((fsr & FSR_WRITE) && -+ (((unsigned long)_stext <= addr && addr < init_mm.end_code) || -+ (MODULES_VADDR <= addr && addr < MODULES_END))) -+ { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ } -+#endif -+ - /* - * No handler, we'll have to terminate things with extreme prejudice. - */ -@@ -173,6 +199,13 @@ __do_user_fault(struct task_struct *tsk, unsigned long addr, - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (fsr & FSR_LNX_PF) { -+ pax_report_fault(regs, (void *)regs->ARM_pc, (void *)regs->ARM_sp); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - tsk->thread.address = addr; - tsk->thread.error_code = fsr; - tsk->thread.trap_no = 14; -@@ -400,6 +433,33 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs) - } - #endif /* CONFIG_MMU */ - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (__force unsigned char __user *)pc+i)) -+ printk(KERN_CONT "?? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+ -+ printk(KERN_ERR "PAX: bytes at SP-4: "); -+ for (i = -1; i < 20; i++) { -+ unsigned long c; -+ if (get_user(c, (__force unsigned long __user *)sp+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08lx ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * First Level Translation Fault Handler - * -@@ -547,9 +607,22 @@ do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs) - const struct fsr_info *inf = fsr_info + fsr_fs(fsr); - struct siginfo info; - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (addr < TASK_SIZE && is_domain_fault(fsr)) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to access userland memory at %08lx\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), addr); -+ goto die; -+ } -+#endif -+ - if (!inf->fn(addr, fsr & ~FSR_LNX_PF, regs)) - return; - -+die: - pr_alert("Unhandled fault: %s (0x%03x) at 0x%08lx\n", - inf->name, fsr, addr); - show_pte(current->mm, addr); -@@ -574,15 +647,104 @@ hook_ifault_code(int nr, int (*fn)(unsigned long, unsigned int, struct pt_regs * - ifsr_info[nr].name = name; - } - -+asmlinkage int sys_sigreturn(struct pt_regs *regs); -+asmlinkage int sys_rt_sigreturn(struct pt_regs *regs); -+ - asmlinkage void __exception - do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs) - { - const struct fsr_info *inf = ifsr_info + fsr_fs(ifsr); - struct siginfo info; -+ unsigned long pc = instruction_pointer(regs); -+ -+ if (user_mode(regs)) { -+ unsigned long sigpage = current->mm->context.sigpage; -+ -+ if (sigpage <= pc && pc < sigpage + 7*4) { -+ if (pc < sigpage + 3*4) -+ sys_sigreturn(regs); -+ else -+ sys_rt_sigreturn(regs); -+ return; -+ } -+ if (pc == 0xffff0f60UL) { -+ /* -+ * PaX: __kuser_cmpxchg64 emulation -+ */ -+ // TODO -+ //regs->ARM_pc = regs->ARM_lr; -+ //return; -+ } -+ if (pc == 0xffff0fa0UL) { -+ /* -+ * PaX: __kuser_memory_barrier emulation -+ */ -+ // dmb(); implied by the exception -+ regs->ARM_pc = regs->ARM_lr; -+ return; -+ } -+ if (pc == 0xffff0fc0UL) { -+ /* -+ * PaX: __kuser_cmpxchg emulation -+ */ -+ // TODO -+ //long new; -+ //int op; -+ -+ //op = FUTEX_OP_SET << 28; -+ //new = futex_atomic_op_inuser(op, regs->ARM_r2); -+ //regs->ARM_r0 = old != new; -+ //regs->ARM_pc = regs->ARM_lr; -+ //return; -+ } -+ if (pc == 0xffff0fe0UL) { -+ /* -+ * PaX: __kuser_get_tls emulation -+ */ -+ regs->ARM_r0 = current_thread_info()->tp_value[0]; -+ regs->ARM_pc = regs->ARM_lr; -+ return; -+ } -+ } -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ else if (is_domain_fault(ifsr) || is_xn_fault(ifsr)) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to execute %s memory at %08lx\n", &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), -+ pc >= TASK_SIZE ? "non-executable kernel" : "userland", pc); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to execute %s memory at %08lx\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid()), -+ pc >= TASK_SIZE ? "non-executable kernel" : "userland", pc); -+ goto die; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (fsr_fs(ifsr) == FAULT_CODE_DEBUG) { -+#ifdef CONFIG_THUMB2_KERNEL -+ unsigned short bkpt; -+ -+ if (!probe_kernel_address(pc, bkpt) && cpu_to_le16(bkpt) == 0xbef1) { -+#else -+ unsigned int bkpt; -+ -+ if (!probe_kernel_address(pc, bkpt) && cpu_to_le32(bkpt) == 0xe12f1073) { -+#endif -+ current->thread.error_code = ifsr; -+ current->thread.trap_no = 0; -+ pax_report_refcount_overflow(regs); -+ fixup_exception(regs); -+ return; -+ } -+ } -+#endif - - if (!inf->fn(addr, ifsr | FSR_LNX_PF, regs)) - return; - -+die: - pr_alert("Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n", - inf->name, ifsr, addr); - -diff --git a/arch/arm/mm/fault.h b/arch/arm/mm/fault.h -index cf08bdf..772656c 100644 ---- a/arch/arm/mm/fault.h -+++ b/arch/arm/mm/fault.h -@@ -3,6 +3,7 @@ - - /* - * Fault status register encodings. We steal bit 31 for our own purposes. -+ * Set when the FSR value is from an instruction fault. - */ - #define FSR_LNX_PF (1 << 31) - #define FSR_WRITE (1 << 11) -@@ -22,6 +23,17 @@ static inline int fsr_fs(unsigned int fsr) - } - #endif - -+/* valid for LPAE and !LPAE */ -+static inline int is_xn_fault(unsigned int fsr) -+{ -+ return ((fsr_fs(fsr) & 0x3c) == 0xc); -+} -+ -+static inline int is_domain_fault(unsigned int fsr) -+{ -+ return ((fsr_fs(fsr) & 0xD) == 0x9); -+} -+ - void do_bad_area(unsigned long addr, unsigned int fsr, struct pt_regs *regs); - unsigned long search_exception_table(unsigned long addr); - -diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c -index be92fa0..5252d7e 100644 ---- a/arch/arm/mm/init.c -+++ b/arch/arm/mm/init.c -@@ -709,7 +709,46 @@ void free_tcmmem(void) - { - #ifdef CONFIG_HAVE_TCM - extern char __tcm_start, __tcm_end; -+#endif - -+#ifdef CONFIG_PAX_KERNEXEC -+ unsigned long addr; -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ int cpu_arch = cpu_architecture(); -+ unsigned int cr = get_cr(); -+ -+ if (cpu_arch >= CPU_ARCH_ARMv6 && (cr & CR_XP)) { -+ /* make pages tables, etc before .text NX */ -+ for (addr = PAGE_OFFSET; addr < (unsigned long)_stext; addr += SECTION_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ __section_update(pmd, addr, PMD_SECT_XN); -+ } -+ /* make init NX */ -+ for (addr = (unsigned long)__init_begin; addr < (unsigned long)_sdata; addr += SECTION_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ __section_update(pmd, addr, PMD_SECT_XN); -+ } -+ /* make kernel code/rodata RX */ -+ for (addr = (unsigned long)_stext; addr < (unsigned long)__init_begin; addr += SECTION_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+#ifdef CONFIG_ARM_LPAE -+ __section_update(pmd, addr, PMD_SECT_RDONLY); -+#else -+ __section_update(pmd, addr, PMD_SECT_APX|PMD_SECT_AP_WRITE); -+#endif -+ } -+ } -+#endif -+ -+#ifdef CONFIG_HAVE_TCM - poison_init_mem(&__tcm_start, &__tcm_end - &__tcm_start); - free_reserved_area(&__tcm_start, &__tcm_end, -1, "TCM link"); - #endif -diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c -index d1e5ad7..84dcbf2 100644 ---- a/arch/arm/mm/ioremap.c -+++ b/arch/arm/mm/ioremap.c -@@ -392,9 +392,9 @@ __arm_ioremap_exec(phys_addr_t phys_addr, size_t size, bool cached) - unsigned int mtype; - - if (cached) -- mtype = MT_MEMORY_RWX; -+ mtype = MT_MEMORY_RX; - else -- mtype = MT_MEMORY_RWX_NONCACHED; -+ mtype = MT_MEMORY_RX_NONCACHED; - - return __arm_ioremap_caller(phys_addr, size, mtype, - __builtin_return_address(0)); -diff --git a/arch/arm/mm/mmap.c b/arch/arm/mm/mmap.c -index 407dc78..047ce9d 100644 ---- a/arch/arm/mm/mmap.c -+++ b/arch/arm/mm/mmap.c -@@ -59,6 +59,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - struct vm_area_struct *vma; - int do_align = 0; - int aliasing = cache_is_vipt_aliasing(); -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - /* -@@ -81,6 +82,10 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - if (len > TASK_SIZE) - return -ENOMEM; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_align) - addr = COLOUR_ALIGN(addr, pgoff); -@@ -88,8 +93,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -99,6 +103,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.high_limit = TASK_SIZE; - info.align_mask = do_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -@@ -112,6 +117,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - unsigned long addr = addr0; - int do_align = 0; - int aliasing = cache_is_vipt_aliasing(); -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - /* -@@ -132,6 +138,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - return addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - if (do_align) -@@ -139,8 +149,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - else - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -150,6 +159,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = do_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -183,14 +193,30 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } -diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c -index 7186382..0c145cf 100644 ---- a/arch/arm/mm/mmu.c -+++ b/arch/arm/mm/mmu.c -@@ -41,6 +41,22 @@ - #include "mm.h" - #include "tcm.h" - -+#if defined(CONFIG_CPU_USE_DOMAINS) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+void modify_domain(unsigned int dom, unsigned int type) -+{ -+ struct thread_info *thread = current_thread_info(); -+ unsigned int domain = thread->cpu_domain; -+ /* -+ * DOMAIN_MANAGER might be defined to some other value, -+ * use the arch-defined constant -+ */ -+ domain &= ~domain_val(dom, 3); -+ thread->cpu_domain = domain | domain_val(dom, type); -+ set_domain(thread->cpu_domain); -+} -+EXPORT_SYMBOL(modify_domain); -+#endif -+ - /* - * empty_zero_page is a special page that is used for - * zero-initialized data and COW. -@@ -242,7 +258,15 @@ __setup("noalign", noalign_setup); - #define PROT_PTE_S2_DEVICE PROT_PTE_DEVICE - #define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE - --static struct mem_type mem_types[] = { -+#ifdef CONFIG_PAX_KERNEXEC -+#define L_PTE_KERNEXEC L_PTE_RDONLY -+#define PMD_SECT_KERNEXEC PMD_SECT_RDONLY -+#else -+#define L_PTE_KERNEXEC L_PTE_DIRTY -+#define PMD_SECT_KERNEXEC PMD_SECT_AP_WRITE -+#endif -+ -+static struct mem_type mem_types[] __read_only = { - [MT_DEVICE] = { /* Strongly ordered / ARMv6 shared device */ - .prot_pte = PROT_PTE_DEVICE | L_PTE_MT_DEV_SHARED | - L_PTE_SHARED, -@@ -271,19 +295,19 @@ static struct mem_type mem_types[] = { - .prot_sect = PROT_SECT_DEVICE, - .domain = DOMAIN_IO, - }, -- [MT_UNCACHED] = { -+ [MT_UNCACHED_RW] = { - .prot_pte = PROT_PTE_DEVICE, - .prot_l1 = PMD_TYPE_TABLE, - .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, - .domain = DOMAIN_IO, - }, -- [MT_CACHECLEAN] = { -- .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, -+ [MT_CACHECLEAN_RO] = { -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, - #ifndef CONFIG_ARM_LPAE -- [MT_MINICLEAN] = { -- .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN | PMD_SECT_MINICACHE, -+ [MT_MINICLEAN_RO] = { -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_MINICACHE | PMD_SECT_XN | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, - #endif -@@ -291,15 +315,15 @@ static struct mem_type mem_types[] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_RDONLY, - .prot_l1 = PMD_TYPE_TABLE, -- .domain = DOMAIN_USER, -+ .domain = DOMAIN_VECTORS, - }, - [MT_HIGH_VECTORS] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_USER | L_PTE_RDONLY, - .prot_l1 = PMD_TYPE_TABLE, -- .domain = DOMAIN_USER, -+ .domain = DOMAIN_VECTORS, - }, -- [MT_MEMORY_RWX] = { -+ [__MT_MEMORY_RWX] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY, - .prot_l1 = PMD_TYPE_TABLE, - .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, -@@ -312,17 +336,30 @@ static struct mem_type mem_types[] = { - .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, - .domain = DOMAIN_KERNEL, - }, -- [MT_ROM] = { -- .prot_sect = PMD_TYPE_SECT, -+ [MT_MEMORY_RX] = { -+ .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC, -+ .prot_l1 = PMD_TYPE_TABLE, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC, -+ .domain = DOMAIN_KERNEL, -+ }, -+ [MT_ROM_RX] = { -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_RDONLY, - .domain = DOMAIN_KERNEL, - }, -- [MT_MEMORY_RWX_NONCACHED] = { -+ [MT_MEMORY_RW_NONCACHED] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_MT_BUFFERABLE, - .prot_l1 = PMD_TYPE_TABLE, - .prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE, - .domain = DOMAIN_KERNEL, - }, -+ [MT_MEMORY_RX_NONCACHED] = { -+ .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC | -+ L_PTE_MT_BUFFERABLE, -+ .prot_l1 = PMD_TYPE_TABLE, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC, -+ .domain = DOMAIN_KERNEL, -+ }, - [MT_MEMORY_RW_DTCM] = { - .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY | - L_PTE_XN, -@@ -330,9 +367,10 @@ static struct mem_type mem_types[] = { - .prot_sect = PMD_TYPE_SECT | PMD_SECT_XN, - .domain = DOMAIN_KERNEL, - }, -- [MT_MEMORY_RWX_ITCM] = { -- .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY, -+ [MT_MEMORY_RX_ITCM] = { -+ .prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_KERNEXEC, - .prot_l1 = PMD_TYPE_TABLE, -+ .prot_sect = PMD_TYPE_SECT | PMD_SECT_KERNEXEC, - .domain = DOMAIN_KERNEL, - }, - [MT_MEMORY_RW_SO] = { -@@ -544,9 +582,14 @@ static void __init build_mem_type_table(void) - * Mark cache clean areas and XIP ROM read only - * from SVC mode and no access from userspace. - */ -- mem_types[MT_ROM].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -- mem_types[MT_MINICLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -- mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_ROM_RX].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+#ifdef CONFIG_PAX_KERNEXEC -+ mem_types[MT_MEMORY_RX].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_MEMORY_RX_ITCM].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+#endif -+ mem_types[MT_MINICLEAN_RO].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; -+ mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; - #endif - - /* -@@ -563,13 +606,17 @@ static void __init build_mem_type_table(void) - mem_types[MT_DEVICE_WC].prot_pte |= L_PTE_SHARED; - mem_types[MT_DEVICE_CACHED].prot_sect |= PMD_SECT_S; - mem_types[MT_DEVICE_CACHED].prot_pte |= L_PTE_SHARED; -- mem_types[MT_MEMORY_RWX].prot_sect |= PMD_SECT_S; -- mem_types[MT_MEMORY_RWX].prot_pte |= L_PTE_SHARED; -+ mem_types[__MT_MEMORY_RWX].prot_sect |= PMD_SECT_S; -+ mem_types[__MT_MEMORY_RWX].prot_pte |= L_PTE_SHARED; - mem_types[MT_MEMORY_RW].prot_sect |= PMD_SECT_S; - mem_types[MT_MEMORY_RW].prot_pte |= L_PTE_SHARED; -+ mem_types[MT_MEMORY_RX].prot_sect |= PMD_SECT_S; -+ mem_types[MT_MEMORY_RX].prot_pte |= L_PTE_SHARED; - mem_types[MT_MEMORY_DMA_READY].prot_pte |= L_PTE_SHARED; -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= PMD_SECT_S; -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_pte |= L_PTE_SHARED; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= PMD_SECT_S; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_pte |= L_PTE_SHARED; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_S; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_pte |= L_PTE_SHARED; - } - } - -@@ -580,15 +627,20 @@ static void __init build_mem_type_table(void) - if (cpu_arch >= CPU_ARCH_ARMv6) { - if (cpu_arch >= CPU_ARCH_ARMv7 && (cr & CR_TRE)) { - /* Non-cacheable Normal is XCB = 001 */ -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= -+ PMD_SECT_BUFFERED; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= - PMD_SECT_BUFFERED; - } else { - /* For both ARMv6 and non-TEX-remapping ARMv7 */ -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= -+ PMD_SECT_TEX(1); -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= - PMD_SECT_TEX(1); - } - } else { -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= PMD_SECT_BUFFERABLE; - } - - #ifdef CONFIG_ARM_LPAE -@@ -609,6 +661,8 @@ static void __init build_mem_type_table(void) - user_pgprot |= PTE_EXT_PXN; - #endif - -+ user_pgprot |= __supported_pte_mask; -+ - for (i = 0; i < 16; i++) { - pteval_t v = pgprot_val(protection_map[i]); - protection_map[i] = __pgprot(v | user_pgprot); -@@ -626,21 +680,24 @@ static void __init build_mem_type_table(void) - - mem_types[MT_LOW_VECTORS].prot_l1 |= ecc_mask; - mem_types[MT_HIGH_VECTORS].prot_l1 |= ecc_mask; -- mem_types[MT_MEMORY_RWX].prot_sect |= ecc_mask | cp->pmd; -- mem_types[MT_MEMORY_RWX].prot_pte |= kern_pgprot; -+ mem_types[__MT_MEMORY_RWX].prot_sect |= ecc_mask | cp->pmd; -+ mem_types[__MT_MEMORY_RWX].prot_pte |= kern_pgprot; - mem_types[MT_MEMORY_RW].prot_sect |= ecc_mask | cp->pmd; - mem_types[MT_MEMORY_RW].prot_pte |= kern_pgprot; -+ mem_types[MT_MEMORY_RX].prot_sect |= ecc_mask | cp->pmd; -+ mem_types[MT_MEMORY_RX].prot_pte |= kern_pgprot; - mem_types[MT_MEMORY_DMA_READY].prot_pte |= kern_pgprot; -- mem_types[MT_MEMORY_RWX_NONCACHED].prot_sect |= ecc_mask; -- mem_types[MT_ROM].prot_sect |= cp->pmd; -+ mem_types[MT_MEMORY_RW_NONCACHED].prot_sect |= ecc_mask; -+ mem_types[MT_MEMORY_RX_NONCACHED].prot_sect |= ecc_mask; -+ mem_types[MT_ROM_RX].prot_sect |= cp->pmd; - - switch (cp->pmd) { - case PMD_SECT_WT: -- mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_WT; -+ mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_WT; - break; - case PMD_SECT_WB: - case PMD_SECT_WBWA: -- mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_WB; -+ mem_types[MT_CACHECLEAN_RO].prot_sect |= PMD_SECT_WB; - break; - } - pr_info("Memory policy: %sData cache %s\n", -@@ -854,7 +911,7 @@ static void __init create_mapping(struct map_desc *md) - return; - } - -- if ((md->type == MT_DEVICE || md->type == MT_ROM) && -+ if ((md->type == MT_DEVICE || md->type == MT_ROM_RX) && - md->virtual >= PAGE_OFFSET && - (md->virtual < VMALLOC_START || md->virtual >= VMALLOC_END)) { - pr_warn("BUG: mapping for 0x%08llx at 0x%08lx out of vmalloc space\n", -@@ -1218,18 +1275,15 @@ void __init arm_mm_memblock_reserve(void) - * called function. This means you can't use any function or debugging - * method which may touch any device, otherwise the kernel _will_ crash. - */ -+ -+static char vectors[PAGE_SIZE * 2] __read_only __aligned(PAGE_SIZE); -+ - static void __init devicemaps_init(const struct machine_desc *mdesc) - { - struct map_desc map; - unsigned long addr; -- void *vectors; - -- /* -- * Allocate the vector page early. -- */ -- vectors = early_alloc(PAGE_SIZE * 2); -- -- early_trap_init(vectors); -+ early_trap_init(&vectors); - - for (addr = VMALLOC_START; addr; addr += PMD_SIZE) - pmd_clear(pmd_off_k(addr)); -@@ -1242,7 +1296,7 @@ static void __init devicemaps_init(const struct machine_desc *mdesc) - map.pfn = __phys_to_pfn(CONFIG_XIP_PHYS_ADDR & SECTION_MASK); - map.virtual = MODULES_VADDR; - map.length = ((unsigned long)_etext - map.virtual + ~SECTION_MASK) & SECTION_MASK; -- map.type = MT_ROM; -+ map.type = MT_ROM_RX; - create_mapping(&map); - #endif - -@@ -1253,14 +1307,14 @@ static void __init devicemaps_init(const struct machine_desc *mdesc) - map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS); - map.virtual = FLUSH_BASE; - map.length = SZ_1M; -- map.type = MT_CACHECLEAN; -+ map.type = MT_CACHECLEAN_RO; - create_mapping(&map); - #endif - #ifdef FLUSH_BASE_MINICACHE - map.pfn = __phys_to_pfn(FLUSH_BASE_PHYS + SZ_1M); - map.virtual = FLUSH_BASE_MINICACHE; - map.length = SZ_1M; -- map.type = MT_MINICLEAN; -+ map.type = MT_MINICLEAN_RO; - create_mapping(&map); - #endif - -@@ -1269,7 +1323,7 @@ static void __init devicemaps_init(const struct machine_desc *mdesc) - * location (0xffff0000). If we aren't using high-vectors, also - * create a mapping at the low-vectors virtual address. - */ -- map.pfn = __phys_to_pfn(virt_to_phys(vectors)); -+ map.pfn = __phys_to_pfn(virt_to_phys(&vectors)); - map.virtual = 0xffff0000; - map.length = PAGE_SIZE; - #ifdef CONFIG_KUSER_HELPERS -@@ -1329,8 +1383,10 @@ static void __init kmap_init(void) - static void __init map_lowmem(void) - { - struct memblock_region *reg; -+#ifndef CONFIG_PAX_KERNEXEC - phys_addr_t kernel_x_start = round_down(__pa(_stext), SECTION_SIZE); - phys_addr_t kernel_x_end = round_up(__pa(__init_end), SECTION_SIZE); -+#endif - - /* Map all the lowmem memory banks. */ - for_each_memblock(memory, reg) { -@@ -1343,11 +1399,48 @@ static void __init map_lowmem(void) - if (start >= end) - break; - -+#ifdef CONFIG_PAX_KERNEXEC -+ map.pfn = __phys_to_pfn(start); -+ map.virtual = __phys_to_virt(start); -+ map.length = end - start; -+ -+ if (map.virtual <= (unsigned long)_stext && ((unsigned long)_end < (map.virtual + map.length))) { -+ struct map_desc kernel; -+ struct map_desc initmap; -+ -+ /* when freeing initmem we will make this RW */ -+ initmap.pfn = __phys_to_pfn(__pa(__init_begin)); -+ initmap.virtual = (unsigned long)__init_begin; -+ initmap.length = _sdata - __init_begin; -+ initmap.type = __MT_MEMORY_RWX; -+ create_mapping(&initmap); -+ -+ /* when freeing initmem we will make this RX */ -+ kernel.pfn = __phys_to_pfn(__pa(_stext)); -+ kernel.virtual = (unsigned long)_stext; -+ kernel.length = __init_begin - _stext; -+ kernel.type = __MT_MEMORY_RWX; -+ create_mapping(&kernel); -+ -+ if (map.virtual < (unsigned long)_stext) { -+ map.length = (unsigned long)_stext - map.virtual; -+ map.type = __MT_MEMORY_RWX; -+ create_mapping(&map); -+ } -+ -+ map.pfn = __phys_to_pfn(__pa(_sdata)); -+ map.virtual = (unsigned long)_sdata; -+ map.length = end - __pa(_sdata); -+ } -+ -+ map.type = MT_MEMORY_RW; -+ create_mapping(&map); -+#else - if (end < kernel_x_start) { - map.pfn = __phys_to_pfn(start); - map.virtual = __phys_to_virt(start); - map.length = end - start; -- map.type = MT_MEMORY_RWX; -+ map.type = __MT_MEMORY_RWX; - - create_mapping(&map); - } else if (start >= kernel_x_end) { -@@ -1371,7 +1464,7 @@ static void __init map_lowmem(void) - map.pfn = __phys_to_pfn(kernel_x_start); - map.virtual = __phys_to_virt(kernel_x_start); - map.length = kernel_x_end - kernel_x_start; -- map.type = MT_MEMORY_RWX; -+ map.type = __MT_MEMORY_RWX; - - create_mapping(&map); - -@@ -1384,6 +1477,7 @@ static void __init map_lowmem(void) - create_mapping(&map); - } - } -+#endif - } - } - -diff --git a/arch/arm/net/bpf_jit_32.c b/arch/arm/net/bpf_jit_32.c -index e0e2358..96c6791 100644 ---- a/arch/arm/net/bpf_jit_32.c -+++ b/arch/arm/net/bpf_jit_32.c -@@ -20,6 +20,7 @@ - #include <asm/cacheflush.h> - #include <asm/hwcap.h> - #include <asm/opcodes.h> -+#include <asm/pgtable.h> - - #include "bpf_jit_32.h" - -@@ -72,7 +73,11 @@ struct jit_ctx { - #endif - }; - -+#ifdef CONFIG_GRKERNSEC_BPF_HARDEN -+int bpf_jit_enable __read_only; -+#else - int bpf_jit_enable __read_mostly; -+#endif - - static u64 jit_get_skb_b(struct sk_buff *skb, unsigned offset) - { -@@ -179,8 +184,10 @@ static void jit_fill_hole(void *area, unsigned int size) - { - u32 *ptr; - /* We are guaranteed to have aligned memory. */ -+ pax_open_kernel(); - for (ptr = area; size >= sizeof(u32); size -= sizeof(u32)) - *ptr++ = __opcode_to_mem_arm(ARM_INST_UDF); -+ pax_close_kernel(); - } - - static void build_prologue(struct jit_ctx *ctx) -@@ -547,7 +554,7 @@ load_common: - emit(ARM_SUB_I(r_scratch, r_skb_hl, - 1 << load_order), ctx); - emit(ARM_CMP_R(r_scratch, r_off), ctx); -- condt = ARM_COND_HS; -+ condt = ARM_COND_GE; - } else { - emit(ARM_CMP_R(r_skb_hl, r_off), ctx); - condt = ARM_COND_HI; -@@ -860,9 +867,11 @@ b_epilogue: - off = offsetof(struct sk_buff, vlan_tci); - emit(ARM_LDRH_I(r_A, r_skb, off), ctx); - if (code == (BPF_ANC | SKF_AD_VLAN_TAG)) -- OP_IMM3(ARM_AND, r_A, r_A, VLAN_VID_MASK, ctx); -- else -- OP_IMM3(ARM_AND, r_A, r_A, VLAN_TAG_PRESENT, ctx); -+ OP_IMM3(ARM_AND, r_A, r_A, ~VLAN_TAG_PRESENT, ctx); -+ else { -+ OP_IMM3(ARM_LSR, r_A, r_A, 12, ctx); -+ OP_IMM3(ARM_AND, r_A, r_A, 0x1, ctx); -+ } - break; - case BPF_ANC | SKF_AD_QUEUE: - ctx->seen |= SEEN_SKB; -diff --git a/arch/arm/plat-iop/setup.c b/arch/arm/plat-iop/setup.c -index 5b217f4..c23f40e 100644 ---- a/arch/arm/plat-iop/setup.c -+++ b/arch/arm/plat-iop/setup.c -@@ -24,7 +24,7 @@ static struct map_desc iop3xx_std_desc[] __initdata = { - .virtual = IOP3XX_PERIPHERAL_VIRT_BASE, - .pfn = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE), - .length = IOP3XX_PERIPHERAL_SIZE, -- .type = MT_UNCACHED, -+ .type = MT_UNCACHED_RW, - }, - }; - -diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c -index a5bc92d..0bb4730 100644 ---- a/arch/arm/plat-omap/sram.c -+++ b/arch/arm/plat-omap/sram.c -@@ -93,6 +93,8 @@ void __init omap_map_sram(unsigned long start, unsigned long size, - * Looks like we need to preserve some bootloader code at the - * beginning of SRAM for jumping to flash for reboot to work... - */ -+ pax_open_kernel(); - memset_io(omap_sram_base + omap_sram_skip, 0, - omap_sram_size - omap_sram_skip); -+ pax_close_kernel(); - } -diff --git a/arch/arm64/include/asm/atomic.h b/arch/arm64/include/asm/atomic.h -index 7047051..44e8675 100644 ---- a/arch/arm64/include/asm/atomic.h -+++ b/arch/arm64/include/asm/atomic.h -@@ -252,5 +252,15 @@ static inline int atomic64_add_unless(atomic64_t *v, long a, long u) - #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif - #endif -diff --git a/arch/arm64/include/asm/barrier.h b/arch/arm64/include/asm/barrier.h -index 71f19c4..2b13cfe 100644 ---- a/arch/arm64/include/asm/barrier.h -+++ b/arch/arm64/include/asm/barrier.h -@@ -44,7 +44,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - barrier(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h -index 4fde8c1..441f84f 100644 ---- a/arch/arm64/include/asm/percpu.h -+++ b/arch/arm64/include/asm/percpu.h -@@ -135,16 +135,16 @@ static inline void __percpu_write(void *ptr, unsigned long val, int size) - { - switch (size) { - case 1: -- ACCESS_ONCE(*(u8 *)ptr) = (u8)val; -+ ACCESS_ONCE_RW(*(u8 *)ptr) = (u8)val; - break; - case 2: -- ACCESS_ONCE(*(u16 *)ptr) = (u16)val; -+ ACCESS_ONCE_RW(*(u16 *)ptr) = (u16)val; - break; - case 4: -- ACCESS_ONCE(*(u32 *)ptr) = (u32)val; -+ ACCESS_ONCE_RW(*(u32 *)ptr) = (u32)val; - break; - case 8: -- ACCESS_ONCE(*(u64 *)ptr) = (u64)val; -+ ACCESS_ONCE_RW(*(u64 *)ptr) = (u64)val; - break; - default: - BUILD_BUG(); -diff --git a/arch/arm64/include/asm/pgalloc.h b/arch/arm64/include/asm/pgalloc.h -index 7642056..bffc904 100644 ---- a/arch/arm64/include/asm/pgalloc.h -+++ b/arch/arm64/include/asm/pgalloc.h -@@ -46,6 +46,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - set_pud(pud, __pud(__pa(pmd) | PMD_TYPE_TABLE)); - } - -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} -+ - #endif /* CONFIG_PGTABLE_LEVELS > 2 */ - - #if CONFIG_PGTABLE_LEVELS > 3 -diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h -index 07e1ba44..ec8cbbb 100644 ---- a/arch/arm64/include/asm/uaccess.h -+++ b/arch/arm64/include/asm/uaccess.h -@@ -99,6 +99,7 @@ static inline void set_fs(mm_segment_t fs) - flag; \ - }) - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) __range_ok(addr, size) - #define user_addr_max get_fs - -diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c -index b0bd4e5..54e82f6 100644 ---- a/arch/arm64/mm/dma-mapping.c -+++ b/arch/arm64/mm/dma-mapping.c -@@ -134,7 +134,7 @@ static void __dma_free_coherent(struct device *dev, size_t size, - phys_to_page(paddr), - size >> PAGE_SHIFT); - if (!freed) -- swiotlb_free_coherent(dev, size, vaddr, dma_handle); -+ swiotlb_free_coherent(dev, size, vaddr, dma_handle, attrs); - } - - static void *__dma_alloc(struct device *dev, size_t size, -diff --git a/arch/avr32/include/asm/cache.h b/arch/avr32/include/asm/cache.h -index c3a58a1..78fbf54 100644 ---- a/arch/avr32/include/asm/cache.h -+++ b/arch/avr32/include/asm/cache.h -@@ -1,8 +1,10 @@ - #ifndef __ASM_AVR32_CACHE_H - #define __ASM_AVR32_CACHE_H - -+#include <linux/const.h> -+ - #define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* - * Memory returned by kmalloc() may be used for DMA, so we must make -diff --git a/arch/avr32/include/asm/elf.h b/arch/avr32/include/asm/elf.h -index 0388ece..87c8df1 100644 ---- a/arch/avr32/include/asm/elf.h -+++ b/arch/avr32/include/asm/elf.h -@@ -84,8 +84,14 @@ typedef struct user_fpu_struct elf_fpregset_t; - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - --#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x00001000UL -+ -+#define PAX_DELTA_MMAP_LEN 15 -+#define PAX_DELTA_STACK_LEN 15 -+#endif - - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, -diff --git a/arch/avr32/include/asm/kmap_types.h b/arch/avr32/include/asm/kmap_types.h -index 479330b..53717a8 100644 ---- a/arch/avr32/include/asm/kmap_types.h -+++ b/arch/avr32/include/asm/kmap_types.h -@@ -2,9 +2,9 @@ - #define __ASM_AVR32_KMAP_TYPES_H - - #ifdef CONFIG_DEBUG_HIGHMEM --# define KM_TYPE_NR 29 -+# define KM_TYPE_NR 30 - #else --# define KM_TYPE_NR 14 -+# define KM_TYPE_NR 15 - #endif - - #endif /* __ASM_AVR32_KMAP_TYPES_H */ -diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c -index d223a8b..69c5210 100644 ---- a/arch/avr32/mm/fault.c -+++ b/arch/avr32/mm/fault.c -@@ -41,6 +41,23 @@ static inline int notify_page_fault(struct pt_regs *regs, int trap) - - int exception_trace = 1; - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (unsigned char *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * This routine handles page faults. It determines the address and the - * problem, and then passes it off to one of the appropriate routines. -@@ -178,6 +195,16 @@ bad_area: - up_read(&mm->mmap_sem); - - if (user_mode(regs)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (mm->pax_flags & MF_PAX_PAGEEXEC) { -+ if (ecr == ECR_PROTECTION_X || ecr == ECR_TLB_MISS_X) { -+ pax_report_fault(regs, (void *)regs->pc, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+ } -+#endif -+ - if (exception_trace && printk_ratelimit()) - printk("%s%s[%d]: segfault at %08lx pc %08lx " - "sp %08lx ecr %lu\n", -diff --git a/arch/blackfin/include/asm/cache.h b/arch/blackfin/include/asm/cache.h -index 568885a..f8008df 100644 ---- a/arch/blackfin/include/asm/cache.h -+++ b/arch/blackfin/include/asm/cache.h -@@ -7,6 +7,7 @@ - #ifndef __ARCH_BLACKFIN_CACHE_H - #define __ARCH_BLACKFIN_CACHE_H - -+#include <linux/const.h> - #include <linux/linkage.h> /* for asmlinkage */ - - /* -@@ -14,7 +15,7 @@ - * Blackfin loads 32 bytes for cache - */ - #define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - #define SMP_CACHE_BYTES L1_CACHE_BYTES - - #define ARCH_DMA_MINALIGN L1_CACHE_BYTES -diff --git a/arch/cris/include/arch-v10/arch/cache.h b/arch/cris/include/arch-v10/arch/cache.h -index aea2718..3639a60 100644 ---- a/arch/cris/include/arch-v10/arch/cache.h -+++ b/arch/cris/include/arch-v10/arch/cache.h -@@ -1,8 +1,9 @@ - #ifndef _ASM_ARCH_CACHE_H - #define _ASM_ARCH_CACHE_H - -+#include <linux/const.h> - /* Etrax 100LX have 32-byte cache-lines. */ --#define L1_CACHE_BYTES 32 - #define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* _ASM_ARCH_CACHE_H */ -diff --git a/arch/cris/include/arch-v32/arch/cache.h b/arch/cris/include/arch-v32/arch/cache.h -index 7caf25d..ee65ac5 100644 ---- a/arch/cris/include/arch-v32/arch/cache.h -+++ b/arch/cris/include/arch-v32/arch/cache.h -@@ -1,11 +1,12 @@ - #ifndef _ASM_CRIS_ARCH_CACHE_H - #define _ASM_CRIS_ARCH_CACHE_H - -+#include <linux/const.h> - #include <arch/hwregs/dma.h> - - /* A cache-line is 32 bytes. */ --#define L1_CACHE_BYTES 32 - #define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) - -diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h -index 102190a..5334cea 100644 ---- a/arch/frv/include/asm/atomic.h -+++ b/arch/frv/include/asm/atomic.h -@@ -181,6 +181,16 @@ static inline void atomic64_dec(atomic64_t *v) - #define atomic64_cmpxchg(v, old, new) (__cmpxchg_64(old, new, &(v)->counter)) - #define atomic64_xchg(v, new) (__xchg_64(new, &(v)->counter)) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - { - int c, old; -diff --git a/arch/frv/include/asm/cache.h b/arch/frv/include/asm/cache.h -index 2797163..c2a401df9 100644 ---- a/arch/frv/include/asm/cache.h -+++ b/arch/frv/include/asm/cache.h -@@ -12,10 +12,11 @@ - #ifndef __ASM_CACHE_H - #define __ASM_CACHE_H - -+#include <linux/const.h> - - /* bytes per L1 cache line */ - #define L1_CACHE_SHIFT (CONFIG_FRV_L1_CACHE_SHIFT) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) - #define ____cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) -diff --git a/arch/frv/include/asm/kmap_types.h b/arch/frv/include/asm/kmap_types.h -index 43901f2..0d8b865 100644 ---- a/arch/frv/include/asm/kmap_types.h -+++ b/arch/frv/include/asm/kmap_types.h -@@ -2,6 +2,6 @@ - #ifndef _ASM_KMAP_TYPES_H - #define _ASM_KMAP_TYPES_H - --#define KM_TYPE_NR 17 -+#define KM_TYPE_NR 18 - - #endif -diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c -index 836f147..4cf23f5 100644 ---- a/arch/frv/mm/elf-fdpic.c -+++ b/arch/frv/mm/elf-fdpic.c -@@ -61,6 +61,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - { - struct vm_area_struct *vma; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - if (len > TASK_SIZE) - return -ENOMEM; -@@ -73,8 +74,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(current->mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - goto success; - } - -@@ -85,6 +85,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - info.high_limit = (current->mm->start_stack - 0x00200000); - info.align_mask = 0; - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - if (!(addr & ~PAGE_MASK)) - goto success; -diff --git a/arch/hexagon/include/asm/cache.h b/arch/hexagon/include/asm/cache.h -index 69952c18..4fa2908 100644 ---- a/arch/hexagon/include/asm/cache.h -+++ b/arch/hexagon/include/asm/cache.h -@@ -21,9 +21,11 @@ - #ifndef __ASM_CACHE_H - #define __ASM_CACHE_H - -+#include <linux/const.h> -+ - /* Bytes per L1 cache line */ --#define L1_CACHE_SHIFT (5) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define ARCH_DMA_MINALIGN L1_CACHE_BYTES - -diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig -index 76d25b2..d3793a0f 100644 ---- a/arch/ia64/Kconfig -+++ b/arch/ia64/Kconfig -@@ -541,6 +541,7 @@ source "drivers/sn/Kconfig" - config KEXEC - bool "kexec system call" - depends on !IA64_HP_SIM && (!SMP || HOTPLUG_CPU) -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile -index 970d0bd..e750b9b 100644 ---- a/arch/ia64/Makefile -+++ b/arch/ia64/Makefile -@@ -98,5 +98,6 @@ endef - archprepare: make_nr_irqs_h FORCE - PHONY += make_nr_irqs_h FORCE - -+make_nr_irqs_h: KBUILD_CFLAGS := $(filter-out $(GCC_PLUGINS_CFLAGS),$(KBUILD_CFLAGS)) - make_nr_irqs_h: FORCE - $(Q)$(MAKE) $(build)=arch/ia64/kernel include/generated/nr-irqs.h -diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h -index 0bf0350..2ad1957 100644 ---- a/arch/ia64/include/asm/atomic.h -+++ b/arch/ia64/include/asm/atomic.h -@@ -193,4 +193,14 @@ atomic64_add_negative (__s64 i, atomic64_t *v) - #define atomic64_inc(v) atomic64_add(1, (v)) - #define atomic64_dec(v) atomic64_sub(1, (v)) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* _ASM_IA64_ATOMIC_H */ -diff --git a/arch/ia64/include/asm/barrier.h b/arch/ia64/include/asm/barrier.h -index f6769eb..1cdb590 100644 ---- a/arch/ia64/include/asm/barrier.h -+++ b/arch/ia64/include/asm/barrier.h -@@ -66,7 +66,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - barrier(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/ia64/include/asm/cache.h b/arch/ia64/include/asm/cache.h -index 988254a..e1ee885 100644 ---- a/arch/ia64/include/asm/cache.h -+++ b/arch/ia64/include/asm/cache.h -@@ -1,6 +1,7 @@ - #ifndef _ASM_IA64_CACHE_H - #define _ASM_IA64_CACHE_H - -+#include <linux/const.h> - - /* - * Copyright (C) 1998-2000 Hewlett-Packard Co -@@ -9,7 +10,7 @@ - - /* Bytes per L1 (data) cache line. */ - #define L1_CACHE_SHIFT CONFIG_IA64_L1_CACHE_SHIFT --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #ifdef CONFIG_SMP - # define SMP_CACHE_SHIFT L1_CACHE_SHIFT -diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h -index 5a83c5c..4d7f553 100644 ---- a/arch/ia64/include/asm/elf.h -+++ b/arch/ia64/include/asm/elf.h -@@ -42,6 +42,13 @@ - */ - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x800000000UL) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (current->personality == PER_LINUX32 ? 0x08048000UL : 0x4000000000000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13) -+#define PAX_DELTA_STACK_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13) -+#endif -+ - #define PT_IA_64_UNWIND 0x70000001 - - /* IA-64 relocations: */ -diff --git a/arch/ia64/include/asm/pgalloc.h b/arch/ia64/include/asm/pgalloc.h -index f5e70e9..624fad5 100644 ---- a/arch/ia64/include/asm/pgalloc.h -+++ b/arch/ia64/include/asm/pgalloc.h -@@ -39,6 +39,12 @@ pgd_populate(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud) - pgd_val(*pgd_entry) = __pa(pud); - } - -+static inline void -+pgd_populate_kernel(struct mm_struct *mm, pgd_t * pgd_entry, pud_t * pud) -+{ -+ pgd_populate(mm, pgd_entry, pud); -+} -+ - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { - return quicklist_alloc(0, GFP_KERNEL, NULL); -@@ -57,6 +63,12 @@ pud_populate(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd) - pud_val(*pud_entry) = __pa(pmd); - } - -+static inline void -+pud_populate_kernel(struct mm_struct *mm, pud_t * pud_entry, pmd_t * pmd) -+{ -+ pud_populate(mm, pud_entry, pmd); -+} -+ - static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long addr) - { - return quicklist_alloc(0, GFP_KERNEL, NULL); -diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h -index 9f3ed9e..c99b418 100644 ---- a/arch/ia64/include/asm/pgtable.h -+++ b/arch/ia64/include/asm/pgtable.h -@@ -12,7 +12,7 @@ - * David Mosberger-Tang davidm@hpl.hp.com - */ - -- -+#include <linux/const.h> - #include <asm/mman.h> - #include <asm/page.h> - #include <asm/processor.h> -@@ -139,6 +139,17 @@ - #define PAGE_READONLY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) - #define PAGE_COPY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) - #define PAGE_COPY_EXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RX) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RW) -+# define PAGE_READONLY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) -+# define PAGE_COPY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+# define PAGE_COPY_NOEXEC PAGE_COPY -+#endif -+ - #define PAGE_GATE __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_X_RX) - #define PAGE_KERNEL __pgprot(__DIRTY_BITS | _PAGE_PL_0 | _PAGE_AR_RWX) - #define PAGE_KERNELRX __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_RX) -diff --git a/arch/ia64/include/asm/spinlock.h b/arch/ia64/include/asm/spinlock.h -index 45698cd..e8e2dbc 100644 ---- a/arch/ia64/include/asm/spinlock.h -+++ b/arch/ia64/include/asm/spinlock.h -@@ -71,7 +71,7 @@ static __always_inline void __ticket_spin_unlock(arch_spinlock_t *lock) - unsigned short *p = (unsigned short *)&lock->lock + 1, tmp; - - asm volatile ("ld2.bias %0=[%1]" : "=r"(tmp) : "r"(p)); -- ACCESS_ONCE(*p) = (tmp + 2) & ~1; -+ ACCESS_ONCE_RW(*p) = (tmp + 2) & ~1; - } - - static __always_inline void __ticket_spin_unlock_wait(arch_spinlock_t *lock) -diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h -index 4f3fb6cc..254055e 100644 ---- a/arch/ia64/include/asm/uaccess.h -+++ b/arch/ia64/include/asm/uaccess.h -@@ -70,6 +70,7 @@ - && ((segment).seg == KERNEL_DS.seg \ - || likely(REGION_OFFSET((unsigned long) (addr)) < RGN_MAP_LIMIT))); \ - }) -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) __access_ok((addr), (size), get_fs()) - - /* -@@ -241,12 +242,24 @@ extern unsigned long __must_check __copy_user (void __user *to, const void __use - static inline unsigned long - __copy_to_user (void __user *to, const void *from, unsigned long count) - { -+ if (count > INT_MAX) -+ return count; -+ -+ if (!__builtin_constant_p(count)) -+ check_object_size(from, count, true); -+ - return __copy_user(to, (__force void __user *) from, count); - } - - static inline unsigned long - __copy_from_user (void *to, const void __user *from, unsigned long count) - { -+ if (count > INT_MAX) -+ return count; -+ -+ if (!__builtin_constant_p(count)) -+ check_object_size(to, count, false); -+ - return __copy_user((__force void __user *) to, from, count); - } - -@@ -256,10 +269,13 @@ __copy_from_user (void *to, const void __user *from, unsigned long count) - ({ \ - void __user *__cu_to = (to); \ - const void *__cu_from = (from); \ -- long __cu_len = (n); \ -+ unsigned long __cu_len = (n); \ - \ -- if (__access_ok(__cu_to, __cu_len, get_fs())) \ -+ if (__cu_len <= INT_MAX && __access_ok(__cu_to, __cu_len, get_fs())) { \ -+ if (!__builtin_constant_p(n)) \ -+ check_object_size(__cu_from, __cu_len, true); \ - __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len); \ -+ } \ - __cu_len; \ - }) - -@@ -267,11 +283,14 @@ __copy_from_user (void *to, const void __user *from, unsigned long count) - ({ \ - void *__cu_to = (to); \ - const void __user *__cu_from = (from); \ -- long __cu_len = (n); \ -+ unsigned long __cu_len = (n); \ - \ - __chk_user_ptr(__cu_from); \ -- if (__access_ok(__cu_from, __cu_len, get_fs())) \ -+ if (__cu_len <= INT_MAX && __access_ok(__cu_from, __cu_len, get_fs())) { \ -+ if (!__builtin_constant_p(n)) \ -+ check_object_size(__cu_to, __cu_len, false); \ - __cu_len = __copy_user((__force void __user *) __cu_to, __cu_from, __cu_len); \ -+ } \ - __cu_len; \ - }) - -diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c -index 29754aa..06d2838 100644 ---- a/arch/ia64/kernel/module.c -+++ b/arch/ia64/kernel/module.c -@@ -492,15 +492,39 @@ module_frob_arch_sections (Elf_Ehdr *ehdr, Elf_Shdr *sechdrs, char *secstrings, - } - - static inline int -+in_init_rx (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_init_rx < mod->init_size_rx; -+} -+ -+static inline int -+in_init_rw (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_init_rw < mod->init_size_rw; -+} -+ -+static inline int - in_init (const struct module *mod, uint64_t addr) - { -- return addr - (uint64_t) mod->module_init < mod->init_size; -+ return in_init_rx(mod, addr) || in_init_rw(mod, addr); -+} -+ -+static inline int -+in_core_rx (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_core_rx < mod->core_size_rx; -+} -+ -+static inline int -+in_core_rw (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_core_rw < mod->core_size_rw; - } - - static inline int - in_core (const struct module *mod, uint64_t addr) - { -- return addr - (uint64_t) mod->module_core < mod->core_size; -+ return in_core_rx(mod, addr) || in_core_rw(mod, addr); - } - - static inline int -@@ -683,7 +707,14 @@ do_reloc (struct module *mod, uint8_t r_type, Elf64_Sym *sym, uint64_t addend, - break; - - case RV_BDREL: -- val -= (uint64_t) (in_init(mod, val) ? mod->module_init : mod->module_core); -+ if (in_init_rx(mod, val)) -+ val -= (uint64_t) mod->module_init_rx; -+ else if (in_init_rw(mod, val)) -+ val -= (uint64_t) mod->module_init_rw; -+ else if (in_core_rx(mod, val)) -+ val -= (uint64_t) mod->module_core_rx; -+ else if (in_core_rw(mod, val)) -+ val -= (uint64_t) mod->module_core_rw; - break; - - case RV_LTV: -@@ -818,15 +849,15 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind - * addresses have been selected... - */ - uint64_t gp; -- if (mod->core_size > MAX_LTOFF) -+ if (mod->core_size_rx + mod->core_size_rw > MAX_LTOFF) - /* - * This takes advantage of fact that SHF_ARCH_SMALL gets allocated - * at the end of the module. - */ -- gp = mod->core_size - MAX_LTOFF / 2; -+ gp = mod->core_size_rx + mod->core_size_rw - MAX_LTOFF / 2; - else -- gp = mod->core_size / 2; -- gp = (uint64_t) mod->module_core + ((gp + 7) & -8); -+ gp = (mod->core_size_rx + mod->core_size_rw) / 2; -+ gp = (uint64_t) mod->module_core_rx + ((gp + 7) & -8); - mod->arch.gp = gp; - DEBUGP("%s: placing gp at 0x%lx\n", __func__, gp); - } -diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c -index c39c3cd..3c77738 100644 ---- a/arch/ia64/kernel/palinfo.c -+++ b/arch/ia64/kernel/palinfo.c -@@ -980,7 +980,7 @@ static int palinfo_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __refdata palinfo_cpu_notifier = -+static struct notifier_block palinfo_cpu_notifier = - { - .notifier_call = palinfo_cpu_callback, - .priority = 0, -diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c -index 41e33f8..65180b2a 100644 ---- a/arch/ia64/kernel/sys_ia64.c -+++ b/arch/ia64/kernel/sys_ia64.c -@@ -28,6 +28,7 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len - unsigned long align_mask = 0; - struct mm_struct *mm = current->mm; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - if (len > RGN_MAP_LIMIT) - return -ENOMEM; -@@ -43,6 +44,13 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len - if (REGION_NUMBER(addr) == RGN_HPAGE) - addr = 0; - #endif -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ addr = mm->free_area_cache; -+ else -+#endif -+ - if (!addr) - addr = TASK_UNMAPPED_BASE; - -@@ -61,6 +69,7 @@ arch_get_unmapped_area (struct file *filp, unsigned long addr, unsigned long len - info.high_limit = TASK_SIZE; - info.align_mask = align_mask; - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S -index 84f8a52..7c76178 100644 ---- a/arch/ia64/kernel/vmlinux.lds.S -+++ b/arch/ia64/kernel/vmlinux.lds.S -@@ -192,7 +192,7 @@ SECTIONS { - /* Per-cpu data: */ - . = ALIGN(PERCPU_PAGE_SIZE); - PERCPU_VADDR(SMP_CACHE_BYTES, PERCPU_ADDR, :percpu) -- __phys_per_cpu_start = __per_cpu_load; -+ __phys_per_cpu_start = per_cpu_load; - /* - * ensure percpu data fits - * into percpu page size -diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c -index ba5ba7a..36e9d3a 100644 ---- a/arch/ia64/mm/fault.c -+++ b/arch/ia64/mm/fault.c -@@ -72,6 +72,23 @@ mapped_kernel_page_is_present (unsigned long address) - return pte_present(pte); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - # define VM_READ_BIT 0 - # define VM_WRITE_BIT 1 - # define VM_EXEC_BIT 2 -@@ -151,8 +168,21 @@ retry: - if (((isr >> IA64_ISR_R_BIT) & 1UL) && (!(vma->vm_flags & (VM_READ | VM_WRITE)))) - goto bad_area; - -- if ((vma->vm_flags & mask) != mask) -+ if ((vma->vm_flags & mask) != mask) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(vma->vm_flags & VM_EXEC) && (mask & VM_EXEC)) { -+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->cr_iip) -+ goto bad_area; -+ -+ up_read(&mm->mmap_sem); -+ pax_report_fault(regs, (void *)regs->cr_iip, (void *)regs->r12); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - goto bad_area; -+ } - - /* - * If for any reason at all we couldn't handle the fault, make -diff --git a/arch/ia64/mm/hugetlbpage.c b/arch/ia64/mm/hugetlbpage.c -index 52b7604b..455cb85 100644 ---- a/arch/ia64/mm/hugetlbpage.c -+++ b/arch/ia64/mm/hugetlbpage.c -@@ -143,6 +143,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u - unsigned long pgoff, unsigned long flags) - { - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, file, flags); - - if (len > RGN_MAP_LIMIT) - return -ENOMEM; -@@ -166,6 +167,7 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, u - info.high_limit = HPAGE_REGION_BASE + RGN_MAP_LIMIT; - info.align_mask = PAGE_MASK & (HPAGE_SIZE - 1); - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c -index a9b65cf..49ae1cf 100644 ---- a/arch/ia64/mm/init.c -+++ b/arch/ia64/mm/init.c -@@ -120,6 +120,19 @@ ia64_init_addr_space (void) - vma->vm_start = current->thread.rbs_bot & PAGE_MASK; - vma->vm_end = vma->vm_start + PAGE_SIZE; - vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (current->mm->pax_flags & MF_PAX_PAGEEXEC) { -+ vma->vm_flags &= ~VM_EXEC; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (current->mm->pax_flags & MF_PAX_MPROTECT) -+ vma->vm_flags &= ~VM_MAYEXEC; -+#endif -+ -+ } -+#endif -+ - vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - down_write(&current->mm->mmap_sem); - if (insert_vm_struct(current->mm, vma)) { -@@ -286,7 +299,7 @@ static int __init gate_vma_init(void) - gate_vma.vm_start = FIXADDR_USER_START; - gate_vma.vm_end = FIXADDR_USER_END; - gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC; -- gate_vma.vm_page_prot = __P101; -+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags); - - return 0; - } -diff --git a/arch/m32r/include/asm/cache.h b/arch/m32r/include/asm/cache.h -index 40b3ee98..8c2c112 100644 ---- a/arch/m32r/include/asm/cache.h -+++ b/arch/m32r/include/asm/cache.h -@@ -1,8 +1,10 @@ - #ifndef _ASM_M32R_CACHE_H - #define _ASM_M32R_CACHE_H - -+#include <linux/const.h> -+ - /* L1 cache line size */ - #define L1_CACHE_SHIFT 4 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* _ASM_M32R_CACHE_H */ -diff --git a/arch/m32r/lib/usercopy.c b/arch/m32r/lib/usercopy.c -index 82abd15..d95ae5d 100644 ---- a/arch/m32r/lib/usercopy.c -+++ b/arch/m32r/lib/usercopy.c -@@ -14,6 +14,9 @@ - unsigned long - __generic_copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - prefetch(from); - if (access_ok(VERIFY_WRITE, to, n)) - __copy_user(to,from,n); -@@ -23,6 +26,9 @@ __generic_copy_to_user(void __user *to, const void *from, unsigned long n) - unsigned long - __generic_copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - prefetchw(to); - if (access_ok(VERIFY_READ, from, n)) - __copy_user_zeroing(to,from,n); -diff --git a/arch/m68k/include/asm/cache.h b/arch/m68k/include/asm/cache.h -index 0395c51..5f26031 100644 ---- a/arch/m68k/include/asm/cache.h -+++ b/arch/m68k/include/asm/cache.h -@@ -4,9 +4,11 @@ - #ifndef __ARCH_M68K_CACHE_H - #define __ARCH_M68K_CACHE_H - -+#include <linux/const.h> -+ - /* bytes per L1 cache line */ - #define L1_CACHE_SHIFT 4 --#define L1_CACHE_BYTES (1<< L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define ARCH_DMA_MINALIGN L1_CACHE_BYTES - -diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h -index d703d8e..a8e2d70 100644 ---- a/arch/metag/include/asm/barrier.h -+++ b/arch/metag/include/asm/barrier.h -@@ -90,7 +90,7 @@ static inline void fence(void) - do { \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/metag/mm/hugetlbpage.c b/arch/metag/mm/hugetlbpage.c -index 7ca80ac..794ba72 100644 ---- a/arch/metag/mm/hugetlbpage.c -+++ b/arch/metag/mm/hugetlbpage.c -@@ -194,6 +194,7 @@ hugetlb_get_unmapped_area_new_pmd(unsigned long len) - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & HUGEPT_MASK; - info.align_offset = 0; -+ info.threadstack_offset = 0; - return vm_unmapped_area(&info); - } - -diff --git a/arch/microblaze/include/asm/cache.h b/arch/microblaze/include/asm/cache.h -index 4efe96a..60e8699 100644 ---- a/arch/microblaze/include/asm/cache.h -+++ b/arch/microblaze/include/asm/cache.h -@@ -13,11 +13,12 @@ - #ifndef _ASM_MICROBLAZE_CACHE_H - #define _ASM_MICROBLAZE_CACHE_H - -+#include <linux/const.h> - #include <asm/registers.h> - - #define L1_CACHE_SHIFT 5 - /* word-granular cache in microblaze */ --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define SMP_CACHE_BYTES L1_CACHE_BYTES - -diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig -index a3b1ffe..7d61ca6 100644 ---- a/arch/mips/Kconfig -+++ b/arch/mips/Kconfig -@@ -2586,6 +2586,7 @@ source "kernel/Kconfig.preempt" - - config KEXEC - bool "Kexec system call" -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/mips/cavium-octeon/dma-octeon.c b/arch/mips/cavium-octeon/dma-octeon.c -index d8960d4..77dbd31 100644 ---- a/arch/mips/cavium-octeon/dma-octeon.c -+++ b/arch/mips/cavium-octeon/dma-octeon.c -@@ -199,7 +199,7 @@ static void octeon_dma_free_coherent(struct device *dev, size_t size, - if (dma_release_from_coherent(dev, order, vaddr)) - return; - -- swiotlb_free_coherent(dev, size, vaddr, dma_handle); -+ swiotlb_free_coherent(dev, size, vaddr, dma_handle, attrs); - } - - static dma_addr_t octeon_unity_phys_to_dma(struct device *dev, phys_addr_t paddr) -diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h -index 26d4363..3c9a82e 100644 ---- a/arch/mips/include/asm/atomic.h -+++ b/arch/mips/include/asm/atomic.h -@@ -22,15 +22,39 @@ - #include <asm/cmpxchg.h> - #include <asm/war.h> - -+#ifdef CONFIG_GENERIC_ATOMIC64 -+#include <asm-generic/atomic64.h> -+#endif -+ - #define ATOMIC_INIT(i) { (i) } - -+#ifdef CONFIG_64BIT -+#define _ASM_EXTABLE(from, to) \ -+" .section __ex_table,"a"\n" \ -+" .dword " #from ", " #to"\n" \ -+" .previous\n" -+#else -+#define _ASM_EXTABLE(from, to) \ -+" .section __ex_table,"a"\n" \ -+" .word " #from ", " #to"\n" \ -+" .previous\n" -+#endif -+ - /* - * atomic_read - read atomic variable - * @v: pointer of type atomic_t - * - * Atomically reads the value of @v. - */ --#define atomic_read(v) ACCESS_ONCE((v)->counter) -+static inline int atomic_read(const atomic_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} -+ -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} - - /* - * atomic_set - set atomic variable -@@ -39,47 +63,77 @@ - * - * Atomically sets the value of @v to @i. - */ --#define atomic_set(v, i) ((v)->counter = (i)) -+static inline void atomic_set(atomic_t *v, int i) -+{ -+ v->counter = i; -+} - --#define ATOMIC_OP(op, c_op, asm_op) \ --static __inline__ void atomic_##op(int i, atomic_t * v) \ -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} -+ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __OVERFLOW_POST \ -+ " b 4f \n" \ -+ " .set noreorder \n" \ -+ "3: b 5f \n" \ -+ " move %0, %1 \n" \ -+ " .set reorder \n" -+#define __OVERFLOW_EXTABLE \ -+ "3:\n" \ -+ _ASM_EXTABLE(2b, 3b) -+#else -+#define __OVERFLOW_POST -+#define __OVERFLOW_EXTABLE -+#endif -+ -+#define __ATOMIC_OP(op, suffix, asm_op, extable) \ -+static inline void atomic_##op##suffix(int i, atomic##suffix##_t * v) \ - { \ - if (kernel_uses_llsc && R10000_LLSC_WAR) { \ - int temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -- "1: ll %0, %1 # atomic_" #op " \n" \ -- " " #asm_op " %0, %2 \n" \ -+ " .set mips3 \n" \ -+ "1: ll %0, %1 # atomic_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ - " sc %0, %1 \n" \ - " beqzl %0, 1b \n" \ -+ extable \ - " .set mips0 \n" \ - : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ - } else if (kernel_uses_llsc) { \ - int temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " ll %0, %1 # atomic_" #op "\n" \ -- " " #asm_op " %0, %2 \n" \ -- " sc %0, %1 \n" \ -- " .set mips0 \n" \ -- : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i)); \ -- } while (unlikely(!temp)); \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: ll %0, %1 # atomic_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ -+ " sc %0, %1 \n" \ -+ " beqz %0, 1b \n" \ -+ extable \ -+ " .set mips0 \n" \ -+ : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- v->counter c_op i; \ -+ __asm__ __volatile__( \ -+ "2: " #asm_op " %0, %1 \n" \ -+ extable \ -+ : "+r" (v->counter) : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - } - --#define ATOMIC_OP_RETURN(op, c_op, asm_op) \ --static __inline__ int atomic_##op##_return(int i, atomic_t * v) \ -+#define ATOMIC_OP(op, asm_op) __ATOMIC_OP(op, _unchecked, asm_op##u, ) \ -+ __ATOMIC_OP(op, , asm_op, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, asm_op, post_op, extable) \ -+static inline int atomic_##op##_return##suffix(int i, atomic##suffix##_t * v) \ - { \ - int result; \ - \ -@@ -89,12 +143,15 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v) \ - int temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -- "1: ll %1, %2 # atomic_" #op "_return \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ " .set mips3 \n" \ -+ "1: ll %1, %2 # atomic_" #op "_return" #suffix"\n" \ -+ "2: " #asm_op " %0, %1, %3 \n" \ - " sc %0, %2 \n" \ - " beqzl %0, 1b \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ - " .set mips0 \n" \ - : "=&r" (result), "=&r" (temp), \ - "+" GCC_OFF_SMALL_ASM() (v->counter) \ -@@ -102,26 +159,33 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v) \ - } else if (kernel_uses_llsc) { \ - int temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " ll %1, %2 # atomic_" #op "_return \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -- " sc %0, %2 \n" \ -- " .set mips0 \n" \ -- : "=&r" (result), "=&r" (temp), \ -- "+" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i)); \ -- } while (unlikely(!result)); \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: ll %1, %2 # atomic_" #op "_return" #suffix "\n" \ -+ "2: " #asm_op " %0, %1, %3 \n" \ -+ " sc %0, %2 \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ -+ " .set mips0 \n" \ -+ : "=&r" (result), "=&r" (temp), \ -+ "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - \ - result = temp; result c_op i; \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- result = v->counter; \ -- result c_op i; \ -- v->counter = result; \ -+ __asm__ __volatile__( \ -+ " lw %0, %1 \n" \ -+ "2: " #asm_op " %0, %1, %2 \n" \ -+ " sw %0, %1 \n" \ -+ "3: \n" \ -+ extable \ -+ : "=&r" (result), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - \ -@@ -130,16 +194,21 @@ static __inline__ int atomic_##op##_return(int i, atomic_t * v) \ - return result; \ - } - --#define ATOMIC_OPS(op, c_op, asm_op) \ -- ATOMIC_OP(op, c_op, asm_op) \ -- ATOMIC_OP_RETURN(op, c_op, asm_op) -+#define ATOMIC_OP_RETURN(op, asm_op) __ATOMIC_OP_RETURN(op, _unchecked, asm_op##u, , ) \ -+ __ATOMIC_OP_RETURN(op, , asm_op, __OVERFLOW_POST, __OVERFLOW_EXTABLE) - --ATOMIC_OPS(add, +=, addu) --ATOMIC_OPS(sub, -=, subu) -+#define ATOMIC_OPS(op, asm_op) \ -+ ATOMIC_OP(op, asm_op) \ -+ ATOMIC_OP_RETURN(op, asm_op) -+ -+ATOMIC_OPS(add, add) -+ATOMIC_OPS(sub, sub) - - #undef ATOMIC_OPS - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - /* - * atomic_sub_if_positive - conditionally subtract integer from atomic variable -@@ -149,7 +218,7 @@ ATOMIC_OPS(sub, -=, subu) - * Atomically test @v and subtract @i if @v is greater or equal than @i. - * The function returns the old value of @v minus @i. - */ --static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) -+static __inline__ int atomic_sub_if_positive(int i, atomic_t *v) - { - int result; - -@@ -159,7 +228,7 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) - int temp; - - __asm__ __volatile__( -- " .set arch=r4000 \n" -+ " .set "MIPS_ISA_LEVEL" \n" - "1: ll %1, %2 # atomic_sub_if_positive\n" - " subu %0, %1, %3 \n" - " bltz %0, 1f \n" -@@ -208,8 +277,26 @@ static __inline__ int atomic_sub_if_positive(int i, atomic_t * v) - return result; - } - --#define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) --#define atomic_xchg(v, new) (xchg(&((v)->counter), (new))) -+static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, -+ int new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline int atomic_xchg(atomic_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} -+ -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&(v->counter), new); -+} - - /** - * __atomic_add_unless - add unless the number is a given value -@@ -237,6 +324,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - - #define atomic_dec_return(v) atomic_sub_return(1, (v)) - #define atomic_inc_return(v) atomic_add_return(1, (v)) -+static __inline__ int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - - /* - * atomic_sub_and_test - subtract value from variable and test result -@@ -258,6 +349,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * other cases. - */ - #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) -+static __inline__ int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v) == 0; -+} - - /* - * atomic_dec_and_test - decrement by 1 and test -@@ -282,6 +377,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * Atomically increments @v by 1. - */ - #define atomic_inc(v) atomic_add(1, (v)) -+static __inline__ void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); -+} - - /* - * atomic_dec - decrement and test -@@ -290,6 +389,10 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * Atomically decrements @v by 1. - */ - #define atomic_dec(v) atomic_sub(1, (v)) -+static __inline__ void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_sub_unchecked(1, v); -+} - - /* - * atomic_add_negative - add and test if negative -@@ -311,54 +414,77 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - * @v: pointer of type atomic64_t - * - */ --#define atomic64_read(v) ACCESS_ONCE((v)->counter) -+static inline long atomic64_read(const atomic64_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} -+ -+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} - - /* - * atomic64_set - set atomic variable - * @v: pointer of type atomic64_t - * @i: required value - */ --#define atomic64_set(v, i) ((v)->counter = (i)) -+static inline void atomic64_set(atomic64_t *v, long i) -+{ -+ v->counter = i; -+} - --#define ATOMIC64_OP(op, c_op, asm_op) \ --static __inline__ void atomic64_##op(long i, atomic64_t * v) \ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ v->counter = i; -+} -+ -+#define __ATOMIC64_OP(op, suffix, asm_op, extable) \ -+static inline void atomic64_##op##suffix(long i, atomic64##suffix##_t * v) \ - { \ - if (kernel_uses_llsc && R10000_LLSC_WAR) { \ - long temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -- "1: lld %0, %1 # atomic64_" #op " \n" \ -- " " #asm_op " %0, %2 \n" \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: lld %0, %1 # atomic64_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ - " scd %0, %1 \n" \ - " beqzl %0, 1b \n" \ -+ extable \ - " .set mips0 \n" \ - : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ - : "Ir" (i)); \ - } else if (kernel_uses_llsc) { \ - long temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " lld %0, %1 # atomic64_" #op "\n" \ -- " " #asm_op " %0, %2 \n" \ -- " scd %0, %1 \n" \ -- " .set mips0 \n" \ -- : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i)); \ -- } while (unlikely(!temp)); \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: lld %0, %1 # atomic64_" #op #suffix "\n" \ -+ "2: " #asm_op " %0, %2 \n" \ -+ " scd %0, %1 \n" \ -+ " beqz %0, 1b \n" \ -+ extable \ -+ " .set mips0 \n" \ -+ : "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- v->counter c_op i; \ -+ __asm__ __volatile__( \ -+ "2: " #asm_op " %0, %1 \n" \ -+ extable \ -+ : "+" GCC_OFF_SMALL_ASM() (v->counter) : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - } - --#define ATOMIC64_OP_RETURN(op, c_op, asm_op) \ --static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \ -+#define ATOMIC64_OP(op, asm_op) __ATOMIC64_OP(op, _unchecked, asm_op##u, ) \ -+ __ATOMIC64_OP(op, , asm_op, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, asm_op, post_op, extable) \ -+static inline long atomic64_##op##_return##suffix(long i, atomic64##suffix##_t * v)\ - { \ - long result; \ - \ -@@ -368,12 +494,15 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \ - long temp; \ - \ - __asm__ __volatile__( \ -- " .set arch=r4000 \n" \ -+ " .set mips3 \n" \ - "1: lld %1, %2 # atomic64_" #op "_return\n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ "2: " #asm_op " %0, %1, %3 \n" \ - " scd %0, %2 \n" \ - " beqzl %0, 1b \n" \ -- " " #asm_op " %0, %1, %3 \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ - " .set mips0 \n" \ - : "=&r" (result), "=&r" (temp), \ - "+" GCC_OFF_SMALL_ASM() (v->counter) \ -@@ -381,27 +510,35 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \ - } else if (kernel_uses_llsc) { \ - long temp; \ - \ -- do { \ -- __asm__ __volatile__( \ -- " .set "MIPS_ISA_LEVEL" \n" \ -- " lld %1, %2 # atomic64_" #op "_return\n" \ -- " " #asm_op " %0, %1, %3 \n" \ -- " scd %0, %2 \n" \ -- " .set mips0 \n" \ -- : "=&r" (result), "=&r" (temp), \ -- "=" GCC_OFF_SMALL_ASM() (v->counter) \ -- : "Ir" (i), GCC_OFF_SMALL_ASM() (v->counter) \ -- : "memory"); \ -- } while (unlikely(!result)); \ -+ __asm__ __volatile__( \ -+ " .set "MIPS_ISA_LEVEL" \n" \ -+ "1: lld %1, %2 # atomic64_" #op "_return" #suffix "\n"\ -+ "2: " #asm_op " %0, %1, %3 \n" \ -+ " scd %0, %2 \n" \ -+ " beqz %0, 1b \n" \ -+ post_op \ -+ extable \ -+ "4: " #asm_op " %0, %1, %3 \n" \ -+ "5: \n" \ -+ " .set mips0 \n" \ -+ : "=&r" (result), "=&r" (temp), \ -+ "=" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i), GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "memory"); \ - \ - result = temp; result c_op i; \ - } else { \ - unsigned long flags; \ - \ - raw_local_irq_save(flags); \ -- result = v->counter; \ -- result c_op i; \ -- v->counter = result; \ -+ __asm__ __volatile__( \ -+ " ld %0, %1 \n" \ -+ "2: " #asm_op " %0, %1, %2 \n" \ -+ " sd %0, %1 \n" \ -+ "3: \n" \ -+ extable \ -+ : "=&r" (result), "+" GCC_OFF_SMALL_ASM() (v->counter) \ -+ : "Ir" (i)); \ - raw_local_irq_restore(flags); \ - } \ - \ -@@ -410,16 +547,23 @@ static __inline__ long atomic64_##op##_return(long i, atomic64_t * v) \ - return result; \ - } - --#define ATOMIC64_OPS(op, c_op, asm_op) \ -- ATOMIC64_OP(op, c_op, asm_op) \ -- ATOMIC64_OP_RETURN(op, c_op, asm_op) -+#define ATOMIC64_OP_RETURN(op, asm_op) __ATOMIC64_OP_RETURN(op, _unchecked, asm_op##u, , ) \ -+ __ATOMIC64_OP_RETURN(op, , asm_op, __OVERFLOW_POST, __OVERFLOW_EXTABLE) - --ATOMIC64_OPS(add, +=, daddu) --ATOMIC64_OPS(sub, -=, dsubu) -+#define ATOMIC64_OPS(op, asm_op) \ -+ ATOMIC64_OP(op, asm_op) \ -+ ATOMIC64_OP_RETURN(op, asm_op) -+ -+ATOMIC64_OPS(add, dadd) -+ATOMIC64_OPS(sub, dsub) - - #undef ATOMIC64_OPS - #undef ATOMIC64_OP_RETURN -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_EXTABLE -+#undef __OVERFLOW_POST - - /* - * atomic64_sub_if_positive - conditionally subtract integer from atomic -@@ -430,7 +574,7 @@ ATOMIC64_OPS(sub, -=, dsubu) - * Atomically test @v and subtract @i if @v is greater or equal than @i. - * The function returns the old value of @v minus @i. - */ --static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) -+static __inline__ long atomic64_sub_if_positive(long i, atomic64_t *v) - { - long result; - -@@ -440,7 +584,7 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) - long temp; - - __asm__ __volatile__( -- " .set arch=r4000 \n" -+ " .set "MIPS_ISA_LEVEL" \n" - "1: lld %1, %2 # atomic64_sub_if_positive\n" - " dsubu %0, %1, %3 \n" - " bltz %0, 1f \n" -@@ -489,9 +633,26 @@ static __inline__ long atomic64_sub_if_positive(long i, atomic64_t * v) - return result; - } - --#define atomic64_cmpxchg(v, o, n) \ -- ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) --#define atomic64_xchg(v, new) (xchg(&((v)->counter), (new))) -+static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ -+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, -+ long new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline long atomic64_xchg(atomic64_t *v, long new) -+{ -+ return xchg(&v->counter, new); -+} -+ -+static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new) -+{ -+ return xchg(&(v->counter), new); -+} - - /** - * atomic64_add_unless - add unless the number is a given value -@@ -521,6 +682,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - - #define atomic64_dec_return(v) atomic64_sub_return(1, (v)) - #define atomic64_inc_return(v) atomic64_add_return(1, (v)) -+#define atomic64_inc_return_unchecked(v) atomic64_add_return_unchecked(1, (v)) - - /* - * atomic64_sub_and_test - subtract value from variable and test result -@@ -542,6 +704,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - * other cases. - */ - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) -+#define atomic64_inc_and_test_unchecked(v) atomic64_add_return_unchecked(1, (v)) == 0) - - /* - * atomic64_dec_and_test - decrement by 1 and test -@@ -566,6 +729,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - * Atomically increments @v by 1. - */ - #define atomic64_inc(v) atomic64_add(1, (v)) -+#define atomic64_inc_unchecked(v) atomic64_add_unchecked(1, (v)) - - /* - * atomic64_dec - decrement and test -@@ -574,6 +738,7 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - * Atomically decrements @v by 1. - */ - #define atomic64_dec(v) atomic64_sub(1, (v)) -+#define atomic64_dec_unchecked(v) atomic64_sub_unchecked(1, (v)) - - /* - * atomic64_add_negative - add and test if negative -diff --git a/arch/mips/include/asm/barrier.h b/arch/mips/include/asm/barrier.h -index 2b8bbbc..4556df6 100644 ---- a/arch/mips/include/asm/barrier.h -+++ b/arch/mips/include/asm/barrier.h -@@ -133,7 +133,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/mips/include/asm/cache.h b/arch/mips/include/asm/cache.h -index b4db69f..8f3b093 100644 ---- a/arch/mips/include/asm/cache.h -+++ b/arch/mips/include/asm/cache.h -@@ -9,10 +9,11 @@ - #ifndef _ASM_CACHE_H - #define _ASM_CACHE_H - -+#include <linux/const.h> - #include <kmalloc.h> - - #define L1_CACHE_SHIFT CONFIG_MIPS_L1_CACHE_SHIFT --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define SMP_CACHE_SHIFT L1_CACHE_SHIFT - #define SMP_CACHE_BYTES L1_CACHE_BYTES -diff --git a/arch/mips/include/asm/elf.h b/arch/mips/include/asm/elf.h -index f19e890..a4f8177 100644 ---- a/arch/mips/include/asm/elf.h -+++ b/arch/mips/include/asm/elf.h -@@ -417,6 +417,13 @@ extern const char *__elf_platform; - #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) - #endif - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL) -+ -+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#endif -+ - #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 - struct linux_binprm; - extern int arch_setup_additional_pages(struct linux_binprm *bprm, -diff --git a/arch/mips/include/asm/exec.h b/arch/mips/include/asm/exec.h -index c1f6afa..38cc6e9 100644 ---- a/arch/mips/include/asm/exec.h -+++ b/arch/mips/include/asm/exec.h -@@ -12,6 +12,6 @@ - #ifndef _ASM_EXEC_H - #define _ASM_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - #endif /* _ASM_EXEC_H */ -diff --git a/arch/mips/include/asm/hw_irq.h b/arch/mips/include/asm/hw_irq.h -index 9e8ef59..1139d6b 100644 ---- a/arch/mips/include/asm/hw_irq.h -+++ b/arch/mips/include/asm/hw_irq.h -@@ -10,7 +10,7 @@ - - #include <linux/atomic.h> - --extern atomic_t irq_err_count; -+extern atomic_unchecked_t irq_err_count; - - /* - * interrupt-retrigger: NOP for now. This may not be appropriate for all -diff --git a/arch/mips/include/asm/local.h b/arch/mips/include/asm/local.h -index 8feaed6..1bd8a64 100644 ---- a/arch/mips/include/asm/local.h -+++ b/arch/mips/include/asm/local.h -@@ -13,15 +13,25 @@ typedef struct - atomic_long_t a; - } local_t; - -+typedef struct { -+ atomic_long_unchecked_t a; -+} local_unchecked_t; -+ - #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - - #define local_read(l) atomic_long_read(&(l)->a) -+#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a) - #define local_set(l, i) atomic_long_set(&(l)->a, (i)) -+#define local_set_unchecked(l, i) atomic_long_set_unchecked(&(l)->a, (i)) - - #define local_add(i, l) atomic_long_add((i), (&(l)->a)) -+#define local_add_unchecked(i, l) atomic_long_add_unchecked((i), (&(l)->a)) - #define local_sub(i, l) atomic_long_sub((i), (&(l)->a)) -+#define local_sub_unchecked(i, l) atomic_long_sub_unchecked((i), (&(l)->a)) - #define local_inc(l) atomic_long_inc(&(l)->a) -+#define local_inc_unchecked(l) atomic_long_inc_unchecked(&(l)->a) - #define local_dec(l) atomic_long_dec(&(l)->a) -+#define local_dec_unchecked(l) atomic_long_dec_unchecked(&(l)->a) - - /* - * Same as above, but return the result value -@@ -71,6 +81,51 @@ static __inline__ long local_add_return(long i, local_t * l) - return result; - } - -+static __inline__ long local_add_return_unchecked(long i, local_unchecked_t * l) -+{ -+ unsigned long result; -+ -+ if (kernel_uses_llsc && R10000_LLSC_WAR) { -+ unsigned long temp; -+ -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1:" __LL "%1, %2 # local_add_return \n" -+ " addu %0, %1, %3 \n" -+ __SC "%0, %2 \n" -+ " beqzl %0, 1b \n" -+ " addu %0, %1, %3 \n" -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) -+ : "Ir" (i), "m" (l->a.counter) -+ : "memory"); -+ } else if (kernel_uses_llsc) { -+ unsigned long temp; -+ -+ __asm__ __volatile__( -+ " .set mips3 \n" -+ "1:" __LL "%1, %2 # local_add_return \n" -+ " addu %0, %1, %3 \n" -+ __SC "%0, %2 \n" -+ " beqz %0, 1b \n" -+ " addu %0, %1, %3 \n" -+ " .set mips0 \n" -+ : "=&r" (result), "=&r" (temp), "=m" (l->a.counter) -+ : "Ir" (i), "m" (l->a.counter) -+ : "memory"); -+ } else { -+ unsigned long flags; -+ -+ local_irq_save(flags); -+ result = l->a.counter; -+ result += i; -+ l->a.counter = result; -+ local_irq_restore(flags); -+ } -+ -+ return result; -+} -+ - static __inline__ long local_sub_return(long i, local_t * l) - { - unsigned long result; -@@ -118,6 +173,8 @@ static __inline__ long local_sub_return(long i, local_t * l) - - #define local_cmpxchg(l, o, n) \ - ((long)cmpxchg_local(&((l)->a.counter), (o), (n))) -+#define local_cmpxchg_unchecked(l, o, n) \ -+ ((long)cmpxchg_local(&((l)->a.counter), (o), (n))) - #define local_xchg(l, n) (atomic_long_xchg((&(l)->a), (n))) - - /** -diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h -index 89dd7fe..a123c97 100644 ---- a/arch/mips/include/asm/page.h -+++ b/arch/mips/include/asm/page.h -@@ -118,7 +118,7 @@ extern void copy_user_highpage(struct page *to, struct page *from, - #ifdef CONFIG_CPU_MIPS32 - typedef struct { unsigned long pte_low, pte_high; } pte_t; - #define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32)) -- #define __pte(x) ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; }) -+ #define __pte(x) ({ pte_t __pte = {(x), (x) >> 32}; __pte; }) - #else - typedef struct { unsigned long long pte; } pte_t; - #define pte_val(x) ((x).pte) -diff --git a/arch/mips/include/asm/pgalloc.h b/arch/mips/include/asm/pgalloc.h -index b336037..5b874cc 100644 ---- a/arch/mips/include/asm/pgalloc.h -+++ b/arch/mips/include/asm/pgalloc.h -@@ -37,6 +37,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - { - set_pud(pud, __pud((unsigned long)pmd)); - } -+ -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} - #endif - - /* -diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h -index 70f6e7f..11f4ada 100644 ---- a/arch/mips/include/asm/pgtable.h -+++ b/arch/mips/include/asm/pgtable.h -@@ -20,6 +20,9 @@ - #include <asm/io.h> - #include <asm/pgtable-bits.h> - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - struct mm_struct; - struct vm_area_struct; - -diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h -index 9c0014e..5101ef5 100644 ---- a/arch/mips/include/asm/thread_info.h -+++ b/arch/mips/include/asm/thread_info.h -@@ -100,6 +100,9 @@ static inline struct thread_info *current_thread_info(void) - #define TIF_SECCOMP 4 /* secure computing */ - #define TIF_NOTIFY_RESUME 5 /* callback before returning to user */ - #define TIF_RESTORE_SIGMASK 9 /* restore signal mask in do_signal() */ -+/* li takes a 32bit immediate */ -+#define TIF_GRSEC_SETXID 10 /* update credentials on syscall entry/exit */ -+ - #define TIF_USEDFPU 16 /* FPU was used by this task this quantum (SMP) */ - #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ - #define TIF_NOHZ 19 /* in adaptive nohz mode */ -@@ -135,14 +138,16 @@ static inline struct thread_info *current_thread_info(void) - #define _TIF_USEDMSA (1<<TIF_USEDMSA) - #define _TIF_MSA_CTX_LIVE (1<<TIF_MSA_CTX_LIVE) - #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) -+#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID) - - #define _TIF_WORK_SYSCALL_ENTRY (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \ - _TIF_SYSCALL_AUDIT | \ -- _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP) -+ _TIF_SYSCALL_TRACEPOINT | _TIF_SECCOMP | \ -+ _TIF_GRSEC_SETXID) - - /* work to do in syscall_trace_leave() */ - #define _TIF_WORK_SYSCALL_EXIT (_TIF_NOHZ | _TIF_SYSCALL_TRACE | \ -- _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT) -+ _TIF_SYSCALL_AUDIT | _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID) - - /* work to do on interrupt/exception return */ - #define _TIF_WORK_MASK \ -@@ -150,7 +155,7 @@ static inline struct thread_info *current_thread_info(void) - /* work to do on any return to u-space */ - #define _TIF_ALLWORK_MASK (_TIF_NOHZ | _TIF_WORK_MASK | \ - _TIF_WORK_SYSCALL_EXIT | \ -- _TIF_SYSCALL_TRACEPOINT) -+ _TIF_SYSCALL_TRACEPOINT | _TIF_GRSEC_SETXID) - - /* - * We stash processor id into a COP0 register to retrieve it fast -diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h -index bf8b324..cec5705 100644 ---- a/arch/mips/include/asm/uaccess.h -+++ b/arch/mips/include/asm/uaccess.h -@@ -130,6 +130,7 @@ extern u64 __ua_limit; - __ok == 0; \ - }) - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) \ - likely(__access_ok((addr), (size), __access_mask)) - -diff --git a/arch/mips/kernel/binfmt_elfn32.c b/arch/mips/kernel/binfmt_elfn32.c -index 1188e00..41cf144 100644 ---- a/arch/mips/kernel/binfmt_elfn32.c -+++ b/arch/mips/kernel/binfmt_elfn32.c -@@ -50,6 +50,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; - #undef ELF_ET_DYN_BASE - #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL) -+ -+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#endif -+ - #include <asm/processor.h> - #include <linux/module.h> - #include <linux/elfcore.h> -diff --git a/arch/mips/kernel/binfmt_elfo32.c b/arch/mips/kernel/binfmt_elfo32.c -index 9287678..f870e47 100644 ---- a/arch/mips/kernel/binfmt_elfo32.c -+++ b/arch/mips/kernel/binfmt_elfo32.c -@@ -70,6 +70,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; - #undef ELF_ET_DYN_BASE - #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL) -+ -+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#endif -+ - #include <asm/processor.h> - - #include <linux/module.h> -diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c -index a74ec3a..4f06f18 100644 ---- a/arch/mips/kernel/i8259.c -+++ b/arch/mips/kernel/i8259.c -@@ -202,7 +202,7 @@ spurious_8259A_irq: - printk(KERN_DEBUG "spurious 8259A interrupt: IRQ%d.\n", irq); - spurious_irq_mask |= irqmask; - } -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - /* - * Theoretically we do not have to handle this IRQ, - * but in Linux this does not cause problems and is -diff --git a/arch/mips/kernel/irq-gt641xx.c b/arch/mips/kernel/irq-gt641xx.c -index 44a1f79..2bd6aa3 100644 ---- a/arch/mips/kernel/irq-gt641xx.c -+++ b/arch/mips/kernel/irq-gt641xx.c -@@ -110,7 +110,7 @@ void gt641xx_irq_dispatch(void) - } - } - -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - } - - void __init gt641xx_irq_init(void) -diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c -index 3c8a18a..b4929b6 100644 ---- a/arch/mips/kernel/irq.c -+++ b/arch/mips/kernel/irq.c -@@ -76,17 +76,17 @@ void ack_bad_irq(unsigned int irq) - printk("unexpected IRQ # %d\n", irq); - } - --atomic_t irq_err_count; -+atomic_unchecked_t irq_err_count; - - int arch_show_interrupts(struct seq_file *p, int prec) - { -- seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); -+ seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read_unchecked(&irq_err_count)); - return 0; - } - - asmlinkage void spurious_interrupt(void) - { -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - } - - void __init init_IRQ(void) -@@ -110,6 +110,8 @@ void __init init_IRQ(void) - } - - #ifdef CONFIG_DEBUG_STACKOVERFLOW -+ -+extern void gr_handle_kernel_exploit(void); - static inline void check_stack_overflow(void) - { - unsigned long sp; -@@ -125,6 +127,7 @@ static inline void check_stack_overflow(void) - printk("do_IRQ: stack overflow: %ld\n", - sp - sizeof(struct thread_info)); - dump_stack(); -+ gr_handle_kernel_exploit(); - } - } - #else -diff --git a/arch/mips/kernel/pm-cps.c b/arch/mips/kernel/pm-cps.c -index 0614717..002fa43 100644 ---- a/arch/mips/kernel/pm-cps.c -+++ b/arch/mips/kernel/pm-cps.c -@@ -172,7 +172,7 @@ int cps_pm_enter_state(enum cps_pm_state state) - nc_core_ready_count = nc_addr; - - /* Ensure ready_count is zero-initialised before the assembly runs */ -- ACCESS_ONCE(*nc_core_ready_count) = 0; -+ ACCESS_ONCE_RW(*nc_core_ready_count) = 0; - coupled_barrier(&per_cpu(pm_barrier, core), online); - - /* Run the generated entry code */ -diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c -index f2975d4..f61d355 100644 ---- a/arch/mips/kernel/process.c -+++ b/arch/mips/kernel/process.c -@@ -541,18 +541,6 @@ out: - return pc; - } - --/* -- * Don't forget that the stack pointer must be aligned on a 8 bytes -- * boundary for 32-bits ABI and 16 bytes for 64-bits ABI. -- */ --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- -- return sp & ALMASK; --} -- - static void arch_dump_stack(void *info) - { - struct pt_regs *regs; -diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c -index e933a30..0d02625 100644 ---- a/arch/mips/kernel/ptrace.c -+++ b/arch/mips/kernel/ptrace.c -@@ -785,6 +785,10 @@ long arch_ptrace(struct task_struct *child, long request, - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - /* - * Notification of system call entry/exit - * - triggered by current->work.syscall_trace -@@ -803,6 +807,11 @@ asmlinkage long syscall_trace_enter(struct pt_regs *regs, long syscall) - tracehook_report_syscall_entry(regs)) - ret = -1; - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) - trace_sys_enter(regs, regs->regs[2]); - -diff --git a/arch/mips/kernel/sync-r4k.c b/arch/mips/kernel/sync-r4k.c -index 2242bdd..b284048 100644 ---- a/arch/mips/kernel/sync-r4k.c -+++ b/arch/mips/kernel/sync-r4k.c -@@ -18,8 +18,8 @@ - #include <asm/mipsregs.h> - - static atomic_t count_start_flag = ATOMIC_INIT(0); --static atomic_t count_count_start = ATOMIC_INIT(0); --static atomic_t count_count_stop = ATOMIC_INIT(0); -+static atomic_unchecked_t count_count_start = ATOMIC_INIT(0); -+static atomic_unchecked_t count_count_stop = ATOMIC_INIT(0); - static atomic_t count_reference = ATOMIC_INIT(0); - - #define COUNTON 100 -@@ -58,13 +58,13 @@ void synchronise_count_master(int cpu) - - for (i = 0; i < NR_LOOPS; i++) { - /* slaves loop on '!= 2' */ -- while (atomic_read(&count_count_start) != 1) -+ while (atomic_read_unchecked(&count_count_start) != 1) - mb(); -- atomic_set(&count_count_stop, 0); -+ atomic_set_unchecked(&count_count_stop, 0); - smp_wmb(); - - /* this lets the slaves write their count register */ -- atomic_inc(&count_count_start); -+ atomic_inc_unchecked(&count_count_start); - - /* - * Everyone initialises count in the last loop: -@@ -75,11 +75,11 @@ void synchronise_count_master(int cpu) - /* - * Wait for all slaves to leave the synchronization point: - */ -- while (atomic_read(&count_count_stop) != 1) -+ while (atomic_read_unchecked(&count_count_stop) != 1) - mb(); -- atomic_set(&count_count_start, 0); -+ atomic_set_unchecked(&count_count_start, 0); - smp_wmb(); -- atomic_inc(&count_count_stop); -+ atomic_inc_unchecked(&count_count_stop); - } - /* Arrange for an interrupt in a short while */ - write_c0_compare(read_c0_count() + COUNTON); -@@ -112,8 +112,8 @@ void synchronise_count_slave(int cpu) - initcount = atomic_read(&count_reference); - - for (i = 0; i < NR_LOOPS; i++) { -- atomic_inc(&count_count_start); -- while (atomic_read(&count_count_start) != 2) -+ atomic_inc_unchecked(&count_count_start); -+ while (atomic_read_unchecked(&count_count_start) != 2) - mb(); - - /* -@@ -122,8 +122,8 @@ void synchronise_count_slave(int cpu) - if (i == NR_LOOPS-1) - write_c0_count(initcount); - -- atomic_inc(&count_count_stop); -- while (atomic_read(&count_count_stop) != 2) -+ atomic_inc_unchecked(&count_count_stop); -+ while (atomic_read_unchecked(&count_count_stop) != 2) - mb(); - } - /* Arrange for an interrupt in a short while */ -diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c -index 5f5f44e..cf10625 100644 ---- a/arch/mips/kernel/traps.c -+++ b/arch/mips/kernel/traps.c -@@ -696,7 +696,18 @@ asmlinkage void do_ov(struct pt_regs *regs) - siginfo_t info; - - prev_state = exception_enter(); -- die_if_kernel("Integer overflow", regs); -+ if (unlikely(!user_mode(regs))) { -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (fixup_exception(regs)) { -+ pax_report_refcount_overflow(regs); -+ exception_exit(prev_state); -+ return; -+ } -+#endif -+ -+ die("Integer overflow", regs); -+ } - - info.si_code = FPE_INTOVF; - info.si_signo = SIGFPE; -diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c -index 52f205a..335927c 100644 ---- a/arch/mips/kvm/mips.c -+++ b/arch/mips/kvm/mips.c -@@ -1013,7 +1013,7 @@ long kvm_arch_vm_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg) - return r; - } - --int kvm_arch_init(void *opaque) -+int kvm_arch_init(const void *opaque) - { - if (kvm_mips_callbacks) { - kvm_err("kvm: module already exists\n"); -diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c -index 7ff8637..6004edb 100644 ---- a/arch/mips/mm/fault.c -+++ b/arch/mips/mm/fault.c -@@ -31,6 +31,23 @@ - - int show_unhandled_signals = 1; - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * This routine handles page faults. It determines the address, - * and the problem, and then passes it off to one of the appropriate -@@ -206,6 +223,14 @@ bad_area: - bad_area_nosemaphore: - /* User mode accesses just cause a SIGSEGV */ - if (user_mode(regs)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (cpu_has_rixi && (mm->pax_flags & MF_PAX_PAGEEXEC) && !write && address == instruction_pointer(regs)) { -+ pax_report_fault(regs, (void *)address, (void *)user_stack_pointer(regs)); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - tsk->thread.cp0_badvaddr = address; - tsk->thread.error_code = write; - if (show_unhandled_signals && -diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c -index 5c81fdd..db158d3 100644 ---- a/arch/mips/mm/mmap.c -+++ b/arch/mips/mm/mmap.c -@@ -59,6 +59,7 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, - struct vm_area_struct *vma; - unsigned long addr = addr0; - int do_color_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (unlikely(len > TASK_SIZE)) -@@ -84,6 +85,11 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, - do_color_align = 1; - - /* requesting a specific address */ -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align) - addr = COLOUR_ALIGN(addr, pgoff); -@@ -91,14 +97,14 @@ static unsigned long arch_get_unmapped_area_common(struct file *filp, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - - info.length = len; - info.align_mask = do_color_align ? (PAGE_MASK & shm_align_mask) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - - if (dir == DOWN) { - info.flags = VM_UNMAPPED_AREA_TOPDOWN; -@@ -160,45 +166,34 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } - --static inline unsigned long brk_rnd(void) --{ -- unsigned long rnd = get_random_int(); -- -- rnd = rnd << PAGE_SHIFT; -- /* 8MB for 32bit, 256MB for 64bit */ -- if (TASK_IS_32BIT_ADDR) -- rnd = rnd & 0x7ffffful; -- else -- rnd = rnd & 0xffffffful; -- -- return rnd; --} -- --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long base = mm->brk; -- unsigned long ret; -- -- ret = PAGE_ALIGN(base + brk_rnd()); -- -- if (ret < mm->brk) -- return mm->brk; -- -- return ret; --} -- - int __virt_addr_valid(const volatile void *kaddr) - { - return pfn_valid(PFN_DOWN(virt_to_phys(kaddr))); -diff --git a/arch/mips/sgi-ip27/ip27-nmi.c b/arch/mips/sgi-ip27/ip27-nmi.c -index a2358b4..7cead4f 100644 ---- a/arch/mips/sgi-ip27/ip27-nmi.c -+++ b/arch/mips/sgi-ip27/ip27-nmi.c -@@ -187,9 +187,9 @@ void - cont_nmi_dump(void) - { - #ifndef REAL_NMI_SIGNAL -- static atomic_t nmied_cpus = ATOMIC_INIT(0); -+ static atomic_unchecked_t nmied_cpus = ATOMIC_INIT(0); - -- atomic_inc(&nmied_cpus); -+ atomic_inc_unchecked(&nmied_cpus); - #endif - /* - * Only allow 1 cpu to proceed -@@ -233,7 +233,7 @@ cont_nmi_dump(void) - udelay(10000); - } - #else -- while (atomic_read(&nmied_cpus) != num_online_cpus()); -+ while (atomic_read_unchecked(&nmied_cpus) != num_online_cpus()); - #endif - - /* -diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c -index a046b30..6799527 100644 ---- a/arch/mips/sni/rm200.c -+++ b/arch/mips/sni/rm200.c -@@ -270,7 +270,7 @@ spurious_8259A_irq: - "spurious RM200 8259A interrupt: IRQ%d.\n", irq); - spurious_irq_mask |= irqmask; - } -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - /* - * Theoretically we do not have to handle this IRQ, - * but in Linux this does not cause problems and is -diff --git a/arch/mips/vr41xx/common/icu.c b/arch/mips/vr41xx/common/icu.c -index 41e873b..34d33a7 100644 ---- a/arch/mips/vr41xx/common/icu.c -+++ b/arch/mips/vr41xx/common/icu.c -@@ -653,7 +653,7 @@ static int icu_get_irq(unsigned int irq) - - printk(KERN_ERR "spurious ICU interrupt: %04x,%04x\n", pend1, pend2); - -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - - return -1; - } -diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c -index ae0e4ee..e8f0692 100644 ---- a/arch/mips/vr41xx/common/irq.c -+++ b/arch/mips/vr41xx/common/irq.c -@@ -64,7 +64,7 @@ static void irq_dispatch(unsigned int irq) - irq_cascade_t *cascade; - - if (irq >= NR_IRQS) { -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - return; - } - -@@ -84,7 +84,7 @@ static void irq_dispatch(unsigned int irq) - ret = cascade->get_irq(irq); - irq = ret; - if (ret < 0) -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - else - irq_dispatch(irq); - if (!irqd_irq_disabled(idata) && chip->irq_unmask) -diff --git a/arch/mn10300/proc-mn103e010/include/proc/cache.h b/arch/mn10300/proc-mn103e010/include/proc/cache.h -index 967d144..db12197 100644 ---- a/arch/mn10300/proc-mn103e010/include/proc/cache.h -+++ b/arch/mn10300/proc-mn103e010/include/proc/cache.h -@@ -11,12 +11,14 @@ - #ifndef _ASM_PROC_CACHE_H - #define _ASM_PROC_CACHE_H - -+#include <linux/const.h> -+ - /* L1 cache */ - - #define L1_CACHE_NWAYS 4 /* number of ways in caches */ - #define L1_CACHE_NENTRIES 256 /* number of entries in each way */ --#define L1_CACHE_BYTES 16 /* bytes per entry */ - #define L1_CACHE_SHIFT 4 /* shift for bytes per entry */ -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */ - #define L1_CACHE_WAYDISP 0x1000 /* displacement of one way from the next */ - - #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */ -diff --git a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h -index bcb5df2..84fabd2 100644 ---- a/arch/mn10300/proc-mn2ws0050/include/proc/cache.h -+++ b/arch/mn10300/proc-mn2ws0050/include/proc/cache.h -@@ -16,13 +16,15 @@ - #ifndef _ASM_PROC_CACHE_H - #define _ASM_PROC_CACHE_H - -+#include <linux/const.h> -+ - /* - * L1 cache - */ - #define L1_CACHE_NWAYS 4 /* number of ways in caches */ - #define L1_CACHE_NENTRIES 128 /* number of entries in each way */ --#define L1_CACHE_BYTES 32 /* bytes per entry */ - #define L1_CACHE_SHIFT 5 /* shift for bytes per entry */ -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) /* bytes per entry */ - #define L1_CACHE_WAYDISP 0x1000 /* distance from one way to the next */ - - #define L1_CACHE_TAG_VALID 0x00000001 /* cache tag valid bit */ -diff --git a/arch/openrisc/include/asm/cache.h b/arch/openrisc/include/asm/cache.h -index 4ce7a01..449202a 100644 ---- a/arch/openrisc/include/asm/cache.h -+++ b/arch/openrisc/include/asm/cache.h -@@ -19,11 +19,13 @@ - #ifndef __ASM_OPENRISC_CACHE_H - #define __ASM_OPENRISC_CACHE_H - -+#include <linux/const.h> -+ - /* FIXME: How can we replace these with values from the CPU... - * they shouldn't be hard-coded! - */ - --#define L1_CACHE_BYTES 16 - #define L1_CACHE_SHIFT 4 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* __ASM_OPENRISC_CACHE_H */ -diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h -index 226f8ca9..9d9b87d 100644 ---- a/arch/parisc/include/asm/atomic.h -+++ b/arch/parisc/include/asm/atomic.h -@@ -273,6 +273,16 @@ static inline long atomic64_dec_if_positive(atomic64_t *v) - return dec; - } - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* !CONFIG_64BIT */ - - -diff --git a/arch/parisc/include/asm/cache.h b/arch/parisc/include/asm/cache.h -index 47f11c7..3420df2 100644 ---- a/arch/parisc/include/asm/cache.h -+++ b/arch/parisc/include/asm/cache.h -@@ -5,6 +5,7 @@ - #ifndef __ARCH_PARISC_CACHE_H - #define __ARCH_PARISC_CACHE_H - -+#include <linux/const.h> - - /* - * PA 2.0 processors have 64-byte cachelines; PA 1.1 processors have -@@ -15,13 +16,13 @@ - * just ruin performance. - */ - #ifdef CONFIG_PA20 --#define L1_CACHE_BYTES 64 - #define L1_CACHE_SHIFT 6 - #else --#define L1_CACHE_BYTES 32 - #define L1_CACHE_SHIFT 5 - #endif - -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) -+ - #ifndef __ASSEMBLY__ - - #define SMP_CACHE_BYTES L1_CACHE_BYTES -diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h -index 78c9fd3..42fa66a 100644 ---- a/arch/parisc/include/asm/elf.h -+++ b/arch/parisc/include/asm/elf.h -@@ -342,6 +342,13 @@ struct pt_regs; /* forward declaration... */ - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x01000000) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x10000UL -+ -+#define PAX_DELTA_MMAP_LEN 16 -+#define PAX_DELTA_STACK_LEN 16 -+#endif -+ - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, - but it's not easy, and we've already done it here. */ -diff --git a/arch/parisc/include/asm/pgalloc.h b/arch/parisc/include/asm/pgalloc.h -index 3edbb9f..08fef28 100644 ---- a/arch/parisc/include/asm/pgalloc.h -+++ b/arch/parisc/include/asm/pgalloc.h -@@ -61,6 +61,11 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) - (__u32)(__pa((unsigned long)pmd) >> PxD_VALUE_SHIFT)); - } - -+static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmd) -+{ -+ pgd_populate(mm, pgd, pmd); -+} -+ - static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address) - { - pmd_t *pmd = (pmd_t *)__get_free_pages(GFP_KERNEL|__GFP_REPEAT, -@@ -97,6 +102,7 @@ static inline void pmd_free(struct mm_struct *mm, pmd_t *pmd) - #define pmd_alloc_one(mm, addr) ({ BUG(); ((pmd_t *)2); }) - #define pmd_free(mm, x) do { } while (0) - #define pgd_populate(mm, pmd, pte) BUG() -+#define pgd_populate_kernel(mm, pmd, pte) BUG() - - #endif - -diff --git a/arch/parisc/include/asm/pgtable.h b/arch/parisc/include/asm/pgtable.h -index f93c4a4..cfd5663 100644 ---- a/arch/parisc/include/asm/pgtable.h -+++ b/arch/parisc/include/asm/pgtable.h -@@ -231,6 +231,17 @@ static inline void purge_tlb_entries(struct mm_struct *mm, unsigned long addr) - #define PAGE_EXECREAD __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_EXEC |_PAGE_ACCESSED) - #define PAGE_COPY PAGE_EXECREAD - #define PAGE_RWX __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_EXEC |_PAGE_ACCESSED) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_ACCESSED) -+# define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED) -+# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_COPY_NOEXEC PAGE_COPY -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+#endif -+ - #define PAGE_KERNEL __pgprot(_PAGE_KERNEL) - #define PAGE_KERNEL_EXEC __pgprot(_PAGE_KERNEL_EXEC) - #define PAGE_KERNEL_RWX __pgprot(_PAGE_KERNEL_RWX) -diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h -index 0abdd4c..1af92f0 100644 ---- a/arch/parisc/include/asm/uaccess.h -+++ b/arch/parisc/include/asm/uaccess.h -@@ -243,10 +243,10 @@ static inline unsigned long __must_check copy_from_user(void *to, - const void __user *from, - unsigned long n) - { -- int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - int ret = -EFAULT; - -- if (likely(sz == -1 || !__builtin_constant_p(n) || sz >= n)) -+ if (likely(sz == (size_t)-1 || !__builtin_constant_p(n) || sz >= n)) - ret = __copy_from_user(to, from, n); - else - copy_from_user_overflow(); -diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c -index 3c63a82..b1d6ee9 100644 ---- a/arch/parisc/kernel/module.c -+++ b/arch/parisc/kernel/module.c -@@ -98,16 +98,38 @@ - - /* three functions to determine where in the module core - * or init pieces the location is */ -+static inline int in_init_rx(struct module *me, void *loc) -+{ -+ return (loc >= me->module_init_rx && -+ loc < (me->module_init_rx + me->init_size_rx)); -+} -+ -+static inline int in_init_rw(struct module *me, void *loc) -+{ -+ return (loc >= me->module_init_rw && -+ loc < (me->module_init_rw + me->init_size_rw)); -+} -+ - static inline int in_init(struct module *me, void *loc) - { -- return (loc >= me->module_init && -- loc <= (me->module_init + me->init_size)); -+ return in_init_rx(me, loc) || in_init_rw(me, loc); -+} -+ -+static inline int in_core_rx(struct module *me, void *loc) -+{ -+ return (loc >= me->module_core_rx && -+ loc < (me->module_core_rx + me->core_size_rx)); -+} -+ -+static inline int in_core_rw(struct module *me, void *loc) -+{ -+ return (loc >= me->module_core_rw && -+ loc < (me->module_core_rw + me->core_size_rw)); - } - - static inline int in_core(struct module *me, void *loc) - { -- return (loc >= me->module_core && -- loc <= (me->module_core + me->core_size)); -+ return in_core_rx(me, loc) || in_core_rw(me, loc); - } - - static inline int in_local(struct module *me, void *loc) -@@ -367,13 +389,13 @@ int module_frob_arch_sections(CONST Elf_Ehdr *hdr, - } - - /* align things a bit */ -- me->core_size = ALIGN(me->core_size, 16); -- me->arch.got_offset = me->core_size; -- me->core_size += gots * sizeof(struct got_entry); -+ me->core_size_rw = ALIGN(me->core_size_rw, 16); -+ me->arch.got_offset = me->core_size_rw; -+ me->core_size_rw += gots * sizeof(struct got_entry); - -- me->core_size = ALIGN(me->core_size, 16); -- me->arch.fdesc_offset = me->core_size; -- me->core_size += fdescs * sizeof(Elf_Fdesc); -+ me->core_size_rw = ALIGN(me->core_size_rw, 16); -+ me->arch.fdesc_offset = me->core_size_rw; -+ me->core_size_rw += fdescs * sizeof(Elf_Fdesc); - - me->arch.got_max = gots; - me->arch.fdesc_max = fdescs; -@@ -391,7 +413,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend) - - BUG_ON(value == 0); - -- got = me->module_core + me->arch.got_offset; -+ got = me->module_core_rw + me->arch.got_offset; - for (i = 0; got[i].addr; i++) - if (got[i].addr == value) - goto out; -@@ -409,7 +431,7 @@ static Elf64_Word get_got(struct module *me, unsigned long value, long addend) - #ifdef CONFIG_64BIT - static Elf_Addr get_fdesc(struct module *me, unsigned long value) - { -- Elf_Fdesc *fdesc = me->module_core + me->arch.fdesc_offset; -+ Elf_Fdesc *fdesc = me->module_core_rw + me->arch.fdesc_offset; - - if (!value) { - printk(KERN_ERR "%s: zero OPD requested!\n", me->name); -@@ -427,7 +449,7 @@ static Elf_Addr get_fdesc(struct module *me, unsigned long value) - - /* Create new one */ - fdesc->addr = value; -- fdesc->gp = (Elf_Addr)me->module_core + me->arch.got_offset; -+ fdesc->gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset; - return (Elf_Addr)fdesc; - } - #endif /* CONFIG_64BIT */ -@@ -839,7 +861,7 @@ register_unwind_table(struct module *me, - - table = (unsigned char *)sechdrs[me->arch.unwind_section].sh_addr; - end = table + sechdrs[me->arch.unwind_section].sh_size; -- gp = (Elf_Addr)me->module_core + me->arch.got_offset; -+ gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset; - - DEBUGP("register_unwind_table(), sect = %d at 0x%p - 0x%p (gp=0x%lx)\n", - me->arch.unwind_section, table, end, gp); -diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c -index 5aba01a..47cdd5a 100644 ---- a/arch/parisc/kernel/sys_parisc.c -+++ b/arch/parisc/kernel/sys_parisc.c -@@ -92,6 +92,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - unsigned long task_size = TASK_SIZE; - int do_color_align, last_mmap; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - if (len > task_size) - return -ENOMEM; -@@ -109,6 +110,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - goto found_addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align && last_mmap) - addr = COLOR_ALIGN(addr, last_mmap, pgoff); -@@ -127,6 +132,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.high_limit = mmap_upper_limit(); - info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0; - info.align_offset = shared_align_offset(last_mmap, pgoff); -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - found_addr: -@@ -146,6 +152,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - unsigned long addr = addr0; - int do_color_align, last_mmap; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(current->mm, filp, flags); - - #ifdef CONFIG_64BIT - /* This should only ever run for 32-bit processes. */ -@@ -170,6 +177,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - } - - /* requesting a specific address */ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align && last_mmap) - addr = COLOR_ALIGN(addr, last_mmap, pgoff); -@@ -187,6 +198,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0; - info.align_offset = shared_align_offset(last_mmap, pgoff); -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - if (!(addr & ~PAGE_MASK)) - goto found_addr; -@@ -252,6 +264,13 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - mm->mmap_legacy_base = mmap_legacy_base(); - mm->mmap_base = mmap_upper_limit(); - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) { -+ mm->mmap_legacy_base += mm->delta_mmap; -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+ } -+#endif -+ - if (mmap_is_legacy()) { - mm->mmap_base = mm->mmap_legacy_base; - mm->get_unmapped_area = arch_get_unmapped_area; -diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c -index 7f67c4c..d85c11d 100644 ---- a/arch/parisc/kernel/traps.c -+++ b/arch/parisc/kernel/traps.c -@@ -722,9 +722,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs) - - down_read(&current->mm->mmap_sem); - vma = find_vma(current->mm,regs->iaoq[0]); -- if (vma && (regs->iaoq[0] >= vma->vm_start) -- && (vma->vm_flags & VM_EXEC)) { -- -+ if (vma && (regs->iaoq[0] >= vma->vm_start)) { - fault_address = regs->iaoq[0]; - fault_space = regs->iasq[0]; - -diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c -index e5120e6..8ddb5cc 100644 ---- a/arch/parisc/mm/fault.c -+++ b/arch/parisc/mm/fault.c -@@ -15,6 +15,7 @@ - #include <linux/sched.h> - #include <linux/interrupt.h> - #include <linux/module.h> -+#include <linux/unistd.h> - - #include <asm/uaccess.h> - #include <asm/traps.h> -@@ -50,7 +51,7 @@ int show_unhandled_signals = 1; - static unsigned long - parisc_acctyp(unsigned long code, unsigned int inst) - { -- if (code == 6 || code == 16) -+ if (code == 6 || code == 7 || code == 16) - return VM_EXEC; - - switch (inst & 0xf0000000) { -@@ -136,6 +137,116 @@ parisc_acctyp(unsigned long code, unsigned int inst) - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (instruction_pointer(regs) = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when rt_sigreturn trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: unpatched PLT emulation */ -+ unsigned int bl, depwi; -+ -+ err = get_user(bl, (unsigned int *)instruction_pointer(regs)); -+ err |= get_user(depwi, (unsigned int *)(instruction_pointer(regs)+4)); -+ -+ if (err) -+ break; -+ -+ if (bl == 0xEA9F1FDDU && depwi == 0xD6801C1EU) { -+ unsigned int ldw, bv, ldw2, addr = instruction_pointer(regs)-12; -+ -+ err = get_user(ldw, (unsigned int *)addr); -+ err |= get_user(bv, (unsigned int *)(addr+4)); -+ err |= get_user(ldw2, (unsigned int *)(addr+8)); -+ -+ if (err) -+ break; -+ -+ if (ldw == 0x0E801096U && -+ bv == 0xEAC0C000U && -+ ldw2 == 0x0E881095U) -+ { -+ unsigned int resolver, map; -+ -+ err = get_user(resolver, (unsigned int *)(instruction_pointer(regs)+8)); -+ err |= get_user(map, (unsigned int *)(instruction_pointer(regs)+12)); -+ if (err) -+ break; -+ -+ regs->gr[20] = instruction_pointer(regs)+8; -+ regs->gr[21] = map; -+ regs->gr[22] = resolver; -+ regs->iaoq[0] = resolver | 3UL; -+ regs->iaoq[1] = regs->iaoq[0] + 4; -+ return 3; -+ } -+ } -+ } while (0); -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ -+#ifndef CONFIG_PAX_EMUSIGRT -+ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP)) -+ return 1; -+#endif -+ -+ do { /* PaX: rt_sigreturn emulation */ -+ unsigned int ldi1, ldi2, bel, nop; -+ -+ err = get_user(ldi1, (unsigned int *)instruction_pointer(regs)); -+ err |= get_user(ldi2, (unsigned int *)(instruction_pointer(regs)+4)); -+ err |= get_user(bel, (unsigned int *)(instruction_pointer(regs)+8)); -+ err |= get_user(nop, (unsigned int *)(instruction_pointer(regs)+12)); -+ -+ if (err) -+ break; -+ -+ if ((ldi1 == 0x34190000U || ldi1 == 0x34190002U) && -+ ldi2 == 0x3414015AU && -+ bel == 0xE4008200U && -+ nop == 0x08000240U) -+ { -+ regs->gr[25] = (ldi1 & 2) >> 1; -+ regs->gr[20] = __NR_rt_sigreturn; -+ regs->gr[31] = regs->iaoq[1] + 16; -+ regs->sr[0] = regs->iasq[1]; -+ regs->iaoq[0] = 0x100UL; -+ regs->iaoq[1] = regs->iaoq[0] + 4; -+ regs->iasq[0] = regs->sr[2]; -+ regs->iasq[1] = regs->sr[2]; -+ return 2; -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - int fixup_exception(struct pt_regs *regs) - { - const struct exception_table_entry *fix; -@@ -234,8 +345,33 @@ retry: - - good_area: - -- if ((vma->vm_flags & acc_type) != acc_type) -+ if ((vma->vm_flags & acc_type) != acc_type) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && (acc_type & VM_EXEC) && -+ (address & ~3UL) == instruction_pointer(regs)) -+ { -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 3: -+ return; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ case 2: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)instruction_pointer(regs), (void *)regs->gr[30]); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - goto bad_area; -+ } - - /* - * If for any reason at all we couldn't handle the fault, make -diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig -index 190cc48..48439ce 100644 ---- a/arch/powerpc/Kconfig -+++ b/arch/powerpc/Kconfig -@@ -413,6 +413,7 @@ config PPC64_SUPPORTS_MEMORY_FAILURE - config KEXEC - bool "kexec system call" - depends on (PPC_BOOK3S || FSL_BOOKE || (44x && !SMP)) -+ depends on !GRKERNSEC_KMEM - help - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h -index 512d278..d31fadd 100644 ---- a/arch/powerpc/include/asm/atomic.h -+++ b/arch/powerpc/include/asm/atomic.h -@@ -12,6 +12,11 @@ - - #define ATOMIC_INIT(i) { (i) } - -+#define _ASM_EXTABLE(from, to) \ -+" .section __ex_table,"a"\n" \ -+ PPC_LONG" " #from ", " #to"\n" \ -+" .previous\n" -+ - static __inline__ int atomic_read(const atomic_t *v) - { - int t; -@@ -21,39 +26,80 @@ static __inline__ int atomic_read(const atomic_t *v) - return t; - } - -+static __inline__ int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ int t; -+ -+ __asm__ __volatile__("lwz%U1%X1 %0,%1" : "=r"(t) : "m"(v->counter)); -+ -+ return t; -+} -+ - static __inline__ void atomic_set(atomic_t *v, int i) - { - __asm__ __volatile__("stw%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); - } - --#define ATOMIC_OP(op, asm_op) \ --static __inline__ void atomic_##op(int a, atomic_t *v) \ -+static __inline__ void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ __asm__ __volatile__("stw%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); -+} -+ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __REFCOUNT_OP(op) op##o. -+#define __OVERFLOW_PRE \ -+ " mcrxr cr0\n" -+#define __OVERFLOW_POST \ -+ " bf 4*cr0+so, 3f\n" \ -+ "2: .long 0x00c00b00\n" \ -+ "3:\n" -+#define __OVERFLOW_EXTABLE \ -+ "\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#else -+#define __REFCOUNT_OP(op) op -+#define __OVERFLOW_PRE -+#define __OVERFLOW_POST -+#define __OVERFLOW_EXTABLE -+#endif -+ -+#define __ATOMIC_OP(op, suffix, pre_op, asm_op, post_op, extable) \ -+static inline void atomic_##op##suffix(int a, atomic##suffix##_t *v) \ - { \ - int t; \ - \ - __asm__ __volatile__( \ --"1: lwarx %0,0,%3 # atomic_" #op "\n" \ -+"1: lwarx %0,0,%3 # atomic_" #op #suffix "\n" \ -+ pre_op \ - #asm_op " %0,%2,%0\n" \ -+ post_op \ - PPC405_ERR77(0,%3) \ - " stwcx. %0,0,%3 \n" \ - " bne- 1b\n" \ -+ extable \ - : "=&r" (t), "+m" (v->counter) \ - : "r" (a), "r" (&v->counter) \ - : "cc"); \ - } \ - --#define ATOMIC_OP_RETURN(op, asm_op) \ --static __inline__ int atomic_##op##_return(int a, atomic_t *v) \ -+#define ATOMIC_OP(op, asm_op) __ATOMIC_OP(op, , , asm_op, , ) \ -+ __ATOMIC_OP(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, pre_op, asm_op, post_op, extable)\ -+static inline int atomic_##op##_return##suffix(int a, atomic##suffix##_t *v)\ - { \ - int t; \ - \ - __asm__ __volatile__( \ - PPC_ATOMIC_ENTRY_BARRIER \ --"1: lwarx %0,0,%2 # atomic_" #op "_return\n" \ -+"1: lwarx %0,0,%2 # atomic_" #op "_return" #suffix "\n" \ -+ pre_op \ - #asm_op " %0,%1,%0\n" \ -+ post_op \ - PPC405_ERR77(0,%2) \ - " stwcx. %0,0,%2 \n" \ - " bne- 1b\n" \ -+ extable \ - PPC_ATOMIC_EXIT_BARRIER \ - : "=&r" (t) \ - : "r" (a), "r" (&v->counter) \ -@@ -62,6 +108,9 @@ static __inline__ int atomic_##op##_return(int a, atomic_t *v) \ - return t; \ - } - -+#define ATOMIC_OP_RETURN(op, asm_op) __ATOMIC_OP_RETURN(op, , , asm_op, , )\ -+ __ATOMIC_OP_RETURN(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ - #define ATOMIC_OPS(op, asm_op) ATOMIC_OP(op, asm_op) ATOMIC_OP_RETURN(op, asm_op) - - ATOMIC_OPS(add, add) -@@ -69,42 +118,29 @@ ATOMIC_OPS(sub, subf) - - #undef ATOMIC_OPS - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - #define atomic_add_negative(a, v) (atomic_add_return((a), (v)) < 0) - --static __inline__ void atomic_inc(atomic_t *v) --{ -- int t; -+/* -+ * atomic_inc - increment atomic variable -+ * @v: pointer of type atomic_t -+ * -+ * Automatically increments @v by 1 -+ */ -+#define atomic_inc(v) atomic_add(1, (v)) -+#define atomic_inc_return(v) atomic_add_return(1, (v)) - -- __asm__ __volatile__( --"1: lwarx %0,0,%2 # atomic_inc\n\ -- addic %0,%0,1\n" -- PPC405_ERR77(0,%2) --" stwcx. %0,0,%2 \n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); - } - --static __inline__ int atomic_inc_return(atomic_t *v) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) - { -- int t; -- -- __asm__ __volatile__( -- PPC_ATOMIC_ENTRY_BARRIER --"1: lwarx %0,0,%1 # atomic_inc_return\n\ -- addic %0,%0,1\n" -- PPC405_ERR77(0,%1) --" stwcx. %0,0,%1 \n\ -- bne- 1b" -- PPC_ATOMIC_EXIT_BARRIER -- : "=&r" (t) -- : "r" (&v->counter) -- : "cc", "xer", "memory"); -- -- return t; -+ return atomic_add_return_unchecked(1, v); - } - - /* -@@ -117,43 +153,38 @@ static __inline__ int atomic_inc_return(atomic_t *v) - */ - #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) - --static __inline__ void atomic_dec(atomic_t *v) -+static __inline__ int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) - { -- int t; -- -- __asm__ __volatile__( --"1: lwarx %0,0,%2 # atomic_dec\n\ -- addic %0,%0,-1\n" -- PPC405_ERR77(0,%2)\ --" stwcx. %0,0,%2\n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); -+ return atomic_add_return_unchecked(1, v) == 0; - } - --static __inline__ int atomic_dec_return(atomic_t *v) -+/* -+ * atomic_dec - decrement atomic variable -+ * @v: pointer of type atomic_t -+ * -+ * Atomically decrements @v by 1 -+ */ -+#define atomic_dec(v) atomic_sub(1, (v)) -+#define atomic_dec_return(v) atomic_sub_return(1, (v)) -+ -+static __inline__ void atomic_dec_unchecked(atomic_unchecked_t *v) - { -- int t; -- -- __asm__ __volatile__( -- PPC_ATOMIC_ENTRY_BARRIER --"1: lwarx %0,0,%1 # atomic_dec_return\n\ -- addic %0,%0,-1\n" -- PPC405_ERR77(0,%1) --" stwcx. %0,0,%1\n\ -- bne- 1b" -- PPC_ATOMIC_EXIT_BARRIER -- : "=&r" (t) -- : "r" (&v->counter) -- : "cc", "xer", "memory"); -- -- return t; -+ atomic_sub_unchecked(1, v); - } - - #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) - -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&(v->counter), new); -+} -+ - /** - * __atomic_add_unless - add unless the number is a given value - * @v: pointer of type atomic_t -@@ -171,11 +202,27 @@ static __inline__ int __atomic_add_unless(atomic_t *v, int a, int u) - PPC_ATOMIC_ENTRY_BARRIER - "1: lwarx %0,0,%1 # __atomic_add_unless\n\ - cmpw 0,%0,%3 \n\ -- beq- 2f \n\ -- add %0,%2,%0 \n" -+ beq- 2f \n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addo. %0,%2,%0\n" -+" bf 4*cr0+so, 4f\n" -+"3:.long " "0x00c00b00""\n" -+"4:\n" -+#else -+ "add %0,%2,%0 \n" -+#endif -+ - PPC405_ERR77(0,%2) - " stwcx. %0,0,%1 \n\ - bne- 1b \n" -+"5:" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(3b, 5b) -+#endif -+ - PPC_ATOMIC_EXIT_BARRIER - " subf %0,%2,%0 \n\ - 2:" -@@ -248,6 +295,11 @@ static __inline__ int atomic_dec_if_positive(atomic_t *v) - } - #define atomic_dec_if_positive atomic_dec_if_positive - -+#define smp_mb__before_atomic_dec() smp_mb() -+#define smp_mb__after_atomic_dec() smp_mb() -+#define smp_mb__before_atomic_inc() smp_mb() -+#define smp_mb__after_atomic_inc() smp_mb() -+ - #ifdef __powerpc64__ - - #define ATOMIC64_INIT(i) { (i) } -@@ -261,37 +313,60 @@ static __inline__ long atomic64_read(const atomic64_t *v) - return t; - } - -+static __inline__ long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ long t; -+ -+ __asm__ __volatile__("ld%U1%X1 %0,%1" : "=r"(t) : "m"(v->counter)); -+ -+ return t; -+} -+ - static __inline__ void atomic64_set(atomic64_t *v, long i) - { - __asm__ __volatile__("std%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); - } - --#define ATOMIC64_OP(op, asm_op) \ --static __inline__ void atomic64_##op(long a, atomic64_t *v) \ -+static __inline__ void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ __asm__ __volatile__("std%U0%X0 %1,%0" : "=m"(v->counter) : "r"(i)); -+} -+ -+#define __ATOMIC64_OP(op, suffix, pre_op, asm_op, post_op, extable) \ -+static inline void atomic64_##op##suffix(long a, atomic64##suffix##_t *v)\ - { \ - long t; \ - \ - __asm__ __volatile__( \ - "1: ldarx %0,0,%3 # atomic64_" #op "\n" \ -+ pre_op \ - #asm_op " %0,%2,%0\n" \ -+ post_op \ - " stdcx. %0,0,%3 \n" \ - " bne- 1b\n" \ -+ extable \ - : "=&r" (t), "+m" (v->counter) \ - : "r" (a), "r" (&v->counter) \ - : "cc"); \ - } - --#define ATOMIC64_OP_RETURN(op, asm_op) \ --static __inline__ long atomic64_##op##_return(long a, atomic64_t *v) \ -+#define ATOMIC64_OP(op, asm_op) __ATOMIC64_OP(op, , , asm_op, , ) \ -+ __ATOMIC64_OP(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, pre_op, asm_op, post_op, extable)\ -+static inline long atomic64_##op##_return##suffix(long a, atomic64##suffix##_t *v)\ - { \ - long t; \ - \ - __asm__ __volatile__( \ - PPC_ATOMIC_ENTRY_BARRIER \ - "1: ldarx %0,0,%2 # atomic64_" #op "_return\n" \ -+ pre_op \ - #asm_op " %0,%1,%0\n" \ -+ post_op \ - " stdcx. %0,0,%2 \n" \ - " bne- 1b\n" \ -+ extable \ - PPC_ATOMIC_EXIT_BARRIER \ - : "=&r" (t) \ - : "r" (a), "r" (&v->counter) \ -@@ -300,6 +375,9 @@ static __inline__ long atomic64_##op##_return(long a, atomic64_t *v) \ - return t; \ - } - -+#define ATOMIC64_OP_RETURN(op, asm_op) __ATOMIC64_OP_RETURN(op, , , asm_op, , )\ -+ __ATOMIC64_OP_RETURN(op, _unchecked, __OVERFLOW_PRE, __REFCOUNT_OP(asm_op), __OVERFLOW_POST, __OVERFLOW_EXTABLE) -+ - #define ATOMIC64_OPS(op, asm_op) ATOMIC64_OP(op, asm_op) ATOMIC64_OP_RETURN(op, asm_op) - - ATOMIC64_OPS(add, add) -@@ -307,40 +385,33 @@ ATOMIC64_OPS(sub, subf) - - #undef ATOMIC64_OPS - #undef ATOMIC64_OP_RETURN -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_EXTABLE -+#undef __OVERFLOW_POST -+#undef __OVERFLOW_PRE -+#undef __REFCOUNT_OP - - #define atomic64_add_negative(a, v) (atomic64_add_return((a), (v)) < 0) - --static __inline__ void atomic64_inc(atomic64_t *v) --{ -- long t; -+/* -+ * atomic64_inc - increment atomic variable -+ * @v: pointer of type atomic64_t -+ * -+ * Automatically increments @v by 1 -+ */ -+#define atomic64_inc(v) atomic64_add(1, (v)) -+#define atomic64_inc_return(v) atomic64_add_return(1, (v)) - -- __asm__ __volatile__( --"1: ldarx %0,0,%2 # atomic64_inc\n\ -- addic %0,%0,1\n\ -- stdcx. %0,0,%2 \n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); -+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ -+ atomic64_add_unchecked(1, v); - } - --static __inline__ long atomic64_inc_return(atomic64_t *v) -+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) - { -- long t; -- -- __asm__ __volatile__( -- PPC_ATOMIC_ENTRY_BARRIER --"1: ldarx %0,0,%1 # atomic64_inc_return\n\ -- addic %0,%0,1\n\ -- stdcx. %0,0,%1 \n\ -- bne- 1b" -- PPC_ATOMIC_EXIT_BARRIER -- : "=&r" (t) -- : "r" (&v->counter) -- : "cc", "xer", "memory"); -- -- return t; -+ return atomic64_add_return_unchecked(1, v); - } - - /* -@@ -353,36 +424,18 @@ static __inline__ long atomic64_inc_return(atomic64_t *v) - */ - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) - --static __inline__ void atomic64_dec(atomic64_t *v) -+/* -+ * atomic64_dec - decrement atomic variable -+ * @v: pointer of type atomic64_t -+ * -+ * Atomically decrements @v by 1 -+ */ -+#define atomic64_dec(v) atomic64_sub(1, (v)) -+#define atomic64_dec_return(v) atomic64_sub_return(1, (v)) -+ -+static __inline__ void atomic64_dec_unchecked(atomic64_unchecked_t *v) - { -- long t; -- -- __asm__ __volatile__( --"1: ldarx %0,0,%2 # atomic64_dec\n\ -- addic %0,%0,-1\n\ -- stdcx. %0,0,%2\n\ -- bne- 1b" -- : "=&r" (t), "+m" (v->counter) -- : "r" (&v->counter) -- : "cc", "xer"); --} -- --static __inline__ long atomic64_dec_return(atomic64_t *v) --{ -- long t; -- -- __asm__ __volatile__( -- PPC_ATOMIC_ENTRY_BARRIER --"1: ldarx %0,0,%1 # atomic64_dec_return\n\ -- addic %0,%0,-1\n\ -- stdcx. %0,0,%1\n\ -- bne- 1b" -- PPC_ATOMIC_EXIT_BARRIER -- : "=&r" (t) -- : "r" (&v->counter) -- : "cc", "xer", "memory"); -- -- return t; -+ atomic64_sub_unchecked(1, v); - } - - #define atomic64_sub_and_test(a, v) (atomic64_sub_return((a), (v)) == 0) -@@ -415,6 +468,16 @@ static __inline__ long atomic64_dec_if_positive(atomic64_t *v) - #define atomic64_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) - #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) - -+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, long new) -+{ -+ return cmpxchg(&(v->counter), old, new); -+} -+ -+static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new) -+{ -+ return xchg(&(v->counter), new); -+} -+ - /** - * atomic64_add_unless - add unless the number is a given value - * @v: pointer of type atomic64_t -@@ -430,13 +493,29 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) - - __asm__ __volatile__ ( - PPC_ATOMIC_ENTRY_BARRIER --"1: ldarx %0,0,%1 # __atomic_add_unless\n\ -+"1: ldarx %0,0,%1 # atomic64_add_unless\n\ - cmpd 0,%0,%3 \n\ -- beq- 2f \n\ -- add %0,%2,%0 \n" -+ beq- 2f \n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addo. %0,%2,%0\n" -+" bf 4*cr0+so, 4f\n" -+"3:.long " "0x00c00b00""\n" -+"4:\n" -+#else -+ "add %0,%2,%0 \n" -+#endif -+ - " stdcx. %0,0,%1 \n\ - bne- 1b \n" - PPC_ATOMIC_EXIT_BARRIER -+"5:" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(3b, 5b) -+#endif -+ - " subf %0,%2,%0 \n\ - 2:" - : "=&r" (t) -diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h -index a3bf5be..e03ba81 100644 ---- a/arch/powerpc/include/asm/barrier.h -+++ b/arch/powerpc/include/asm/barrier.h -@@ -76,7 +76,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - smp_lwsync(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h -index 0dc42c5..b80a3a1 100644 ---- a/arch/powerpc/include/asm/cache.h -+++ b/arch/powerpc/include/asm/cache.h -@@ -4,6 +4,7 @@ - #ifdef __KERNEL__ - - #include <asm/reg.h> -+#include <linux/const.h> - - /* bytes per L1 cache line */ - #if defined(CONFIG_8xx) || defined(CONFIG_403GCX) -@@ -23,7 +24,7 @@ - #define L1_CACHE_SHIFT 7 - #endif - --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define SMP_CACHE_BYTES L1_CACHE_BYTES - -diff --git a/arch/powerpc/include/asm/elf.h b/arch/powerpc/include/asm/elf.h -index ee46ffe..b36c98c 100644 ---- a/arch/powerpc/include/asm/elf.h -+++ b/arch/powerpc/include/asm/elf.h -@@ -30,6 +30,18 @@ - - #define ELF_ET_DYN_BASE 0x20000000 - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (0x10000000UL) -+ -+#ifdef __powerpc64__ -+#define PAX_DELTA_MMAP_LEN (is_32bit_task() ? 16 : 28) -+#define PAX_DELTA_STACK_LEN (is_32bit_task() ? 16 : 28) -+#else -+#define PAX_DELTA_MMAP_LEN 15 -+#define PAX_DELTA_STACK_LEN 15 -+#endif -+#endif -+ - #define ELF_CORE_EFLAGS (is_elf2_task() ? 2 : 0) - - /* -diff --git a/arch/powerpc/include/asm/exec.h b/arch/powerpc/include/asm/exec.h -index 8196e9c..d83a9f3 100644 ---- a/arch/powerpc/include/asm/exec.h -+++ b/arch/powerpc/include/asm/exec.h -@@ -4,6 +4,6 @@ - #ifndef _ASM_POWERPC_EXEC_H - #define _ASM_POWERPC_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - #endif /* _ASM_POWERPC_EXEC_H */ -diff --git a/arch/powerpc/include/asm/kmap_types.h b/arch/powerpc/include/asm/kmap_types.h -index 5acabbd..7ea14fa 100644 ---- a/arch/powerpc/include/asm/kmap_types.h -+++ b/arch/powerpc/include/asm/kmap_types.h -@@ -10,7 +10,7 @@ - * 2 of the License, or (at your option) any later version. - */ - --#define KM_TYPE_NR 16 -+#define KM_TYPE_NR 17 - - #endif /* __KERNEL__ */ - #endif /* _ASM_POWERPC_KMAP_TYPES_H */ -diff --git a/arch/powerpc/include/asm/local.h b/arch/powerpc/include/asm/local.h -index b8da913..c02b593 100644 ---- a/arch/powerpc/include/asm/local.h -+++ b/arch/powerpc/include/asm/local.h -@@ -9,21 +9,65 @@ typedef struct - atomic_long_t a; - } local_t; - -+typedef struct -+{ -+ atomic_long_unchecked_t a; -+} local_unchecked_t; -+ - #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - - #define local_read(l) atomic_long_read(&(l)->a) -+#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a) - #define local_set(l,i) atomic_long_set(&(l)->a, (i)) -+#define local_set_unchecked(l,i) atomic_long_set_unchecked(&(l)->a, (i)) - - #define local_add(i,l) atomic_long_add((i),(&(l)->a)) -+#define local_add_unchecked(i,l) atomic_long_add_unchecked((i),(&(l)->a)) - #define local_sub(i,l) atomic_long_sub((i),(&(l)->a)) -+#define local_sub_unchecked(i,l) atomic_long_sub_unchecked((i),(&(l)->a)) - #define local_inc(l) atomic_long_inc(&(l)->a) -+#define local_inc_unchecked(l) atomic_long_inc_unchecked(&(l)->a) - #define local_dec(l) atomic_long_dec(&(l)->a) -+#define local_dec_unchecked(l) atomic_long_dec_unchecked(&(l)->a) - - static __inline__ long local_add_return(long a, local_t *l) - { - long t; - - __asm__ __volatile__( -+"1:" PPC_LLARX(%0,0,%2,0) " # local_add_return\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addo. %0,%1,%0\n" -+" bf 4*cr0+so, 3f\n" -+"2:.long " "0x00c00b00""\n" -+#else -+" add %0,%1,%0\n" -+#endif -+ -+"3:\n" -+ PPC405_ERR77(0,%2) -+ PPC_STLCX "%0,0,%2 \n\ -+ bne- 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ -+ : "=&r" (t) -+ : "r" (a), "r" (&(l->a.counter)) -+ : "cc", "memory"); -+ -+ return t; -+} -+ -+static __inline__ long local_add_return_unchecked(long a, local_unchecked_t *l) -+{ -+ long t; -+ -+ __asm__ __volatile__( - "1:" PPC_LLARX(%0,0,%2,0) " # local_add_return\n\ - add %0,%1,%0\n" - PPC405_ERR77(0,%2) -@@ -101,6 +145,8 @@ static __inline__ long local_dec_return(local_t *l) - - #define local_cmpxchg(l, o, n) \ - (cmpxchg_local(&((l)->a.counter), (o), (n))) -+#define local_cmpxchg_unchecked(l, o, n) \ -+ (cmpxchg_local(&((l)->a.counter), (o), (n))) - #define local_xchg(l, n) (xchg_local(&((l)->a.counter), (n))) - - /** -diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h -index 8565c25..2865190 100644 ---- a/arch/powerpc/include/asm/mman.h -+++ b/arch/powerpc/include/asm/mman.h -@@ -24,7 +24,7 @@ static inline unsigned long arch_calc_vm_prot_bits(unsigned long prot) - } - #define arch_calc_vm_prot_bits(prot) arch_calc_vm_prot_bits(prot) - --static inline pgprot_t arch_vm_get_page_prot(unsigned long vm_flags) -+static inline pgprot_t arch_vm_get_page_prot(vm_flags_t vm_flags) - { - return (vm_flags & VM_SAO) ? __pgprot(_PAGE_SAO) : __pgprot(0); - } -diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h -index 69c0598..2c56964 100644 ---- a/arch/powerpc/include/asm/page.h -+++ b/arch/powerpc/include/asm/page.h -@@ -227,8 +227,9 @@ extern long long virt_phys_offset; - * and needs to be executable. This means the whole heap ends - * up being executable. - */ --#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ -- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -+#define VM_DATA_DEFAULT_FLAGS32 \ -+ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ -+ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - - #define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -@@ -256,6 +257,9 @@ extern long long virt_phys_offset; - #define is_kernel_addr(x) ((x) >= PAGE_OFFSET) - #endif - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #ifndef CONFIG_PPC_BOOK3S_64 - /* - * Use the top bit of the higher-level page table entries to indicate whether -diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h -index d908a46..3753f71 100644 ---- a/arch/powerpc/include/asm/page_64.h -+++ b/arch/powerpc/include/asm/page_64.h -@@ -172,15 +172,18 @@ do { \ - * stack by default, so in the absence of a PT_GNU_STACK program header - * we turn execute permission off. - */ --#define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ -- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -+#define VM_STACK_DEFAULT_FLAGS32 \ -+ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ -+ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - - #define VM_STACK_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -+#ifndef CONFIG_PAX_PAGEEXEC - #define VM_STACK_DEFAULT_FLAGS \ - (is_32bit_task() ? \ - VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64) -+#endif - - #include <asm-generic/getorder.h> - -diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h -index 4b0be20..c15a27d 100644 ---- a/arch/powerpc/include/asm/pgalloc-64.h -+++ b/arch/powerpc/include/asm/pgalloc-64.h -@@ -54,6 +54,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd) - #ifndef CONFIG_PPC_64K_PAGES - - #define pgd_populate(MM, PGD, PUD) pgd_set(PGD, PUD) -+#define pgd_populate_kernel(MM, PGD, PUD) pgd_populate((MM), (PGD), (PUD)) - - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { -@@ -71,6 +72,11 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - pud_set(pud, (unsigned long)pmd); - } - -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ pud_populate(mm, pud, pmd); -+} -+ - #define pmd_populate(mm, pmd, pte_page) \ - pmd_populate_kernel(mm, pmd, page_address(pte_page)) - #define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, (unsigned long)(pte)) -@@ -173,6 +179,7 @@ extern void __tlb_remove_table(void *_table); - #endif - - #define pud_populate(mm, pud, pmd) pud_set(pud, (unsigned long)pmd) -+#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd)) - - static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd, - pte_t *pte) -diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h -index 11a3863..108f194 100644 ---- a/arch/powerpc/include/asm/pgtable.h -+++ b/arch/powerpc/include/asm/pgtable.h -@@ -2,6 +2,7 @@ - #define _ASM_POWERPC_PGTABLE_H - #ifdef __KERNEL__ - -+#include <linux/const.h> - #ifndef __ASSEMBLY__ - #include <linux/mmdebug.h> - #include <linux/mmzone.h> -diff --git a/arch/powerpc/include/asm/pte-hash32.h b/arch/powerpc/include/asm/pte-hash32.h -index 62cfb0c..50c6402 100644 ---- a/arch/powerpc/include/asm/pte-hash32.h -+++ b/arch/powerpc/include/asm/pte-hash32.h -@@ -20,6 +20,7 @@ - #define _PAGE_HASHPTE 0x002 /* hash_page has made an HPTE for this pte */ - #define _PAGE_USER 0x004 /* usermode access allowed */ - #define _PAGE_GUARDED 0x008 /* G: prohibit speculative access */ -+#define _PAGE_EXEC _PAGE_GUARDED - #define _PAGE_COHERENT 0x010 /* M: enforce memory coherence (SMP systems) */ - #define _PAGE_NO_CACHE 0x020 /* I: cache inhibit */ - #define _PAGE_WRITETHRU 0x040 /* W: cache write-through */ -diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h -index af56b5c..f86f3f6 100644 ---- a/arch/powerpc/include/asm/reg.h -+++ b/arch/powerpc/include/asm/reg.h -@@ -253,6 +253,7 @@ - #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */ - #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */ - #define DSISR_NOHPTE 0x40000000 /* no translation found */ -+#define DSISR_GUARDED 0x10000000 /* fetch from guarded storage */ - #define DSISR_PROTFAULT 0x08000000 /* protection fault */ - #define DSISR_ISSTORE 0x02000000 /* access was a store */ - #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */ -diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h -index 825663c..f9e9134 100644 ---- a/arch/powerpc/include/asm/smp.h -+++ b/arch/powerpc/include/asm/smp.h -@@ -51,7 +51,7 @@ struct smp_ops_t { - int (*cpu_disable)(void); - void (*cpu_die)(unsigned int nr); - int (*cpu_bootable)(unsigned int nr); --}; -+} __no_const; - - extern void smp_send_debugger_break(void); - extern void start_secondary_resume(void); -diff --git a/arch/powerpc/include/asm/spinlock.h b/arch/powerpc/include/asm/spinlock.h -index 4dbe072..b803275 100644 ---- a/arch/powerpc/include/asm/spinlock.h -+++ b/arch/powerpc/include/asm/spinlock.h -@@ -204,13 +204,29 @@ static inline long __arch_read_trylock(arch_rwlock_t *rw) - __asm__ __volatile__( - "1: " PPC_LWARX(%0,0,%1,1) "\n" - __DO_SIGN_EXTEND --" addic. %0,%0,1\n\ -- ble- 2f\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addico. %0,%0,1\n" -+" bf 4*cr0+so, 3f\n" -+"2:.long " "0x00c00b00""\n" -+#else -+" addic. %0,%0,1\n" -+#endif -+ -+"3:\n" -+ "ble- 4f\n" - PPC405_ERR77(0,%1) - " stwcx. %0,0,%1\n\ - bne- 1b\n" - PPC_ACQUIRE_BARRIER --"2:" : "=&r" (tmp) -+"4:" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ _ASM_EXTABLE(2b,4b) -+#endif -+ -+ : "=&r" (tmp) - : "r" (&rw->lock) - : "cr0", "xer", "memory"); - -@@ -286,11 +302,27 @@ static inline void arch_read_unlock(arch_rwlock_t *rw) - __asm__ __volatile__( - "# read_unlock\n\t" - PPC_RELEASE_BARRIER --"1: lwarx %0,0,%1\n\ -- addic %0,%0,-1\n" -+"1: lwarx %0,0,%1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" mcrxr cr0\n" -+" addico. %0,%0,-1\n" -+" bf 4*cr0+so, 3f\n" -+"2:.long " "0x00c00b00""\n" -+#else -+" addic. %0,%0,-1\n" -+#endif -+ -+"3:\n" - PPC405_ERR77(0,%1) - " stwcx. %0,0,%1\n\ - bne- 1b" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+"\n4:\n" -+ _ASM_EXTABLE(2b, 4b) -+#endif -+ - : "=&r"(tmp) - : "r"(&rw->lock) - : "cr0", "xer", "memory"); -diff --git a/arch/powerpc/include/asm/thread_info.h b/arch/powerpc/include/asm/thread_info.h -index 7efee4a..48d47cc 100644 ---- a/arch/powerpc/include/asm/thread_info.h -+++ b/arch/powerpc/include/asm/thread_info.h -@@ -101,6 +101,8 @@ static inline struct thread_info *current_thread_info(void) - #if defined(CONFIG_PPC64) - #define TIF_ELF2ABI 18 /* function descriptors must die! */ - #endif -+/* mask must be expressable within 16 bits to satisfy 'andi' instruction reqs */ -+#define TIF_GRSEC_SETXID 6 /* update credentials on syscall entry/exit */ - - /* as above, but as bit values */ - #define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE) -@@ -119,9 +121,10 @@ static inline struct thread_info *current_thread_info(void) - #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) - #define _TIF_EMULATE_STACK_STORE (1<<TIF_EMULATE_STACK_STORE) - #define _TIF_NOHZ (1<<TIF_NOHZ) -+#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID) - #define _TIF_SYSCALL_DOTRACE (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | \ - _TIF_SECCOMP | _TIF_SYSCALL_TRACEPOINT | \ -- _TIF_NOHZ) -+ _TIF_NOHZ | _TIF_GRSEC_SETXID) - - #define _TIF_USER_WORK_MASK (_TIF_SIGPENDING | _TIF_NEED_RESCHED | \ - _TIF_NOTIFY_RESUME | _TIF_UPROBE | \ -diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h -index a0c071d..49cdc7f 100644 ---- a/arch/powerpc/include/asm/uaccess.h -+++ b/arch/powerpc/include/asm/uaccess.h -@@ -58,6 +58,7 @@ - - #endif - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) \ - (__chk_user_ptr(addr), \ - __access_ok((__force unsigned long)(addr), (size), get_fs())) -@@ -318,52 +319,6 @@ do { \ - extern unsigned long __copy_tofrom_user(void __user *to, - const void __user *from, unsigned long size); - --#ifndef __powerpc64__ -- --static inline unsigned long copy_from_user(void *to, -- const void __user *from, unsigned long n) --{ -- unsigned long over; -- -- if (access_ok(VERIFY_READ, from, n)) -- return __copy_tofrom_user((__force void __user *)to, from, n); -- if ((unsigned long)from < TASK_SIZE) { -- over = (unsigned long)from + n - TASK_SIZE; -- return __copy_tofrom_user((__force void __user *)to, from, -- n - over) + over; -- } -- return n; --} -- --static inline unsigned long copy_to_user(void __user *to, -- const void *from, unsigned long n) --{ -- unsigned long over; -- -- if (access_ok(VERIFY_WRITE, to, n)) -- return __copy_tofrom_user(to, (__force void __user *)from, n); -- if ((unsigned long)to < TASK_SIZE) { -- over = (unsigned long)to + n - TASK_SIZE; -- return __copy_tofrom_user(to, (__force void __user *)from, -- n - over) + over; -- } -- return n; --} -- --#else /* __powerpc64__ */ -- --#define __copy_in_user(to, from, size) \ -- __copy_tofrom_user((to), (from), (size)) -- --extern unsigned long copy_from_user(void *to, const void __user *from, -- unsigned long n); --extern unsigned long copy_to_user(void __user *to, const void *from, -- unsigned long n); --extern unsigned long copy_in_user(void __user *to, const void __user *from, -- unsigned long n); -- --#endif /* __powerpc64__ */ -- - static inline unsigned long __copy_from_user_inatomic(void *to, - const void __user *from, unsigned long n) - { -@@ -387,6 +342,10 @@ static inline unsigned long __copy_from_user_inatomic(void *to, - if (ret == 0) - return 0; - } -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ - return __copy_tofrom_user((__force void __user *)to, from, n); - } - -@@ -413,6 +372,10 @@ static inline unsigned long __copy_to_user_inatomic(void __user *to, - if (ret == 0) - return 0; - } -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ - return __copy_tofrom_user(to, (__force const void __user *)from, n); - } - -@@ -430,6 +393,92 @@ static inline unsigned long __copy_to_user(void __user *to, - return __copy_to_user_inatomic(to, from, size); - } - -+#ifndef __powerpc64__ -+ -+static inline unsigned long __must_check copy_from_user(void *to, -+ const void __user *from, unsigned long n) -+{ -+ unsigned long over; -+ -+ if ((long)n < 0) -+ return n; -+ -+ if (access_ok(VERIFY_READ, from, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ return __copy_tofrom_user((__force void __user *)to, from, n); -+ } -+ if ((unsigned long)from < TASK_SIZE) { -+ over = (unsigned long)from + n - TASK_SIZE; -+ if (!__builtin_constant_p(n - over)) -+ check_object_size(to, n - over, false); -+ return __copy_tofrom_user((__force void __user *)to, from, -+ n - over) + over; -+ } -+ return n; -+} -+ -+static inline unsigned long __must_check copy_to_user(void __user *to, -+ const void *from, unsigned long n) -+{ -+ unsigned long over; -+ -+ if ((long)n < 0) -+ return n; -+ -+ if (access_ok(VERIFY_WRITE, to, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ return __copy_tofrom_user(to, (__force void __user *)from, n); -+ } -+ if ((unsigned long)to < TASK_SIZE) { -+ over = (unsigned long)to + n - TASK_SIZE; -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n - over, true); -+ return __copy_tofrom_user(to, (__force void __user *)from, -+ n - over) + over; -+ } -+ return n; -+} -+ -+#else /* __powerpc64__ */ -+ -+#define __copy_in_user(to, from, size) \ -+ __copy_tofrom_user((to), (from), (size)) -+ -+static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) -+{ -+ if ((long)n < 0 || n > INT_MAX) -+ return n; -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ -+ if (likely(access_ok(VERIFY_READ, from, n))) -+ n = __copy_from_user(to, from, n); -+ else -+ memset(to, 0, n); -+ return n; -+} -+ -+static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) -+{ -+ if ((long)n < 0 || n > INT_MAX) -+ return n; -+ -+ if (likely(access_ok(VERIFY_WRITE, to, n))) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ n = __copy_to_user(to, from, n); -+ } -+ return n; -+} -+ -+extern unsigned long copy_in_user(void __user *to, const void __user *from, -+ unsigned long n); -+ -+#endif /* __powerpc64__ */ -+ - extern unsigned long __clear_user(void __user *addr, unsigned long size); - - static inline unsigned long clear_user(void __user *addr, unsigned long size) -diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile -index c1ebbda..fd8a98d 100644 ---- a/arch/powerpc/kernel/Makefile -+++ b/arch/powerpc/kernel/Makefile -@@ -15,6 +15,11 @@ CFLAGS_prom_init.o += -fPIC - CFLAGS_btext.o += -fPIC - endif - -+CFLAGS_REMOVE_cputable.o = $(LATENT_ENTROPY_PLUGIN_CFLAGS) -+CFLAGS_REMOVE_prom_init.o = $(LATENT_ENTROPY_PLUGIN_CFLAGS) -+CFLAGS_REMOVE_btext.o = $(LATENT_ENTROPY_PLUGIN_CFLAGS) -+CFLAGS_REMOVE_prom.o = $(LATENT_ENTROPY_PLUGIN_CFLAGS) -+ - ifdef CONFIG_FUNCTION_TRACER - # Do not trace early boot code - CFLAGS_REMOVE_cputable.o = -pg -mno-sched-epilog -@@ -27,6 +32,8 @@ CFLAGS_REMOVE_ftrace.o = -pg -mno-sched-epilog - CFLAGS_REMOVE_time.o = -pg -mno-sched-epilog - endif - -+CFLAGS_REMOVE_prom_init.o += $(LATENT_ENTROPY_PLUGIN_CFLAGS) -+ - obj-y := cputable.o ptrace.o syscalls.o \ - irq.o align.o signal_32.o pmc.o vdso.o \ - process.o systbl.o idle.o \ -diff --git a/arch/powerpc/kernel/exceptions-64e.S b/arch/powerpc/kernel/exceptions-64e.S -index 3e68d1c..72a5ee6 100644 ---- a/arch/powerpc/kernel/exceptions-64e.S -+++ b/arch/powerpc/kernel/exceptions-64e.S -@@ -1010,6 +1010,7 @@ storage_fault_common: - std r14,_DAR(r1) - std r15,_DSISR(r1) - addi r3,r1,STACK_FRAME_OVERHEAD -+ bl save_nvgprs - mr r4,r14 - mr r5,r15 - ld r14,PACA_EXGEN+EX_R14(r13) -@@ -1018,8 +1019,7 @@ storage_fault_common: - cmpdi r3,0 - bne- 1f - b ret_from_except_lite --1: bl save_nvgprs -- mr r5,r3 -+1: mr r5,r3 - addi r3,r1,STACK_FRAME_OVERHEAD - ld r4,_DAR(r1) - bl bad_page_fault -diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S -index 9519e6b..13f6c38 100644 ---- a/arch/powerpc/kernel/exceptions-64s.S -+++ b/arch/powerpc/kernel/exceptions-64s.S -@@ -1599,10 +1599,10 @@ handle_page_fault: - 11: ld r4,_DAR(r1) - ld r5,_DSISR(r1) - addi r3,r1,STACK_FRAME_OVERHEAD -+ bl save_nvgprs - bl do_page_fault - cmpdi r3,0 - beq+ 12f -- bl save_nvgprs - mr r5,r3 - addi r3,r1,STACK_FRAME_OVERHEAD - lwz r4,_DAR(r1) -diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c -index 4509603..cdb491f 100644 ---- a/arch/powerpc/kernel/irq.c -+++ b/arch/powerpc/kernel/irq.c -@@ -460,6 +460,8 @@ void migrate_irqs(void) - } - #endif - -+extern void gr_handle_kernel_exploit(void); -+ - static inline void check_stack_overflow(void) - { - #ifdef CONFIG_DEBUG_STACKOVERFLOW -@@ -472,6 +474,7 @@ static inline void check_stack_overflow(void) - pr_err("do_IRQ: stack overflow: %ld\n", - sp - sizeof(struct thread_info)); - dump_stack(); -+ gr_handle_kernel_exploit(); - } - #endif - } -diff --git a/arch/powerpc/kernel/module_32.c b/arch/powerpc/kernel/module_32.c -index c94d2e0..992a9ce 100644 ---- a/arch/powerpc/kernel/module_32.c -+++ b/arch/powerpc/kernel/module_32.c -@@ -158,7 +158,7 @@ int module_frob_arch_sections(Elf32_Ehdr *hdr, - me->arch.core_plt_section = i; - } - if (!me->arch.core_plt_section || !me->arch.init_plt_section) { -- pr_err("Module doesn't contain .plt or .init.plt sections.\n"); -+ pr_err("Module $s doesn't contain .plt or .init.plt sections.\n", me->name); - return -ENOEXEC; - } - -@@ -188,11 +188,16 @@ static uint32_t do_plt_call(void *location, - - pr_debug("Doing plt for call to 0x%x at 0x%x\n", val, (unsigned int)location); - /* Init, or core PLT? */ -- if (location >= mod->module_core -- && location < mod->module_core + mod->core_size) -+ if ((location >= mod->module_core_rx && location < mod->module_core_rx + mod->core_size_rx) || -+ (location >= mod->module_core_rw && location < mod->module_core_rw + mod->core_size_rw)) - entry = (void *)sechdrs[mod->arch.core_plt_section].sh_addr; -- else -+ else if ((location >= mod->module_init_rx && location < mod->module_init_rx + mod->init_size_rx) || -+ (location >= mod->module_init_rw && location < mod->module_init_rw + mod->init_size_rw)) - entry = (void *)sechdrs[mod->arch.init_plt_section].sh_addr; -+ else { -+ printk(KERN_ERR "%s: invalid R_PPC_REL24 entry found\n", mod->name); -+ return ~0UL; -+ } - - /* Find this entry, or if that fails, the next avail. entry */ - while (entry->jump[0]) { -@@ -296,7 +301,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, - } - #ifdef CONFIG_DYNAMIC_FTRACE - module->arch.tramp = -- do_plt_call(module->module_core, -+ do_plt_call(module->module_core_rx, - (unsigned long)ftrace_caller, - sechdrs, module); - #endif -diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c -index febb50d..bb10020 100644 ---- a/arch/powerpc/kernel/process.c -+++ b/arch/powerpc/kernel/process.c -@@ -1036,8 +1036,8 @@ void show_regs(struct pt_regs * regs) - * Lookup NIP late so we have the best change of getting the - * above info out without failing - */ -- printk("NIP ["REG"] %pS\n", regs->nip, (void *)regs->nip); -- printk("LR ["REG"] %pS\n", regs->link, (void *)regs->link); -+ printk("NIP ["REG"] %pA\n", regs->nip, (void *)regs->nip); -+ printk("LR ["REG"] %pA\n", regs->link, (void *)regs->link); - #endif - show_stack(current, (unsigned long *) regs->gpr[1]); - if (!user_mode(regs)) -@@ -1554,10 +1554,10 @@ void show_stack(struct task_struct *tsk, unsigned long *stack) - newsp = stack[0]; - ip = stack[STACK_FRAME_LR_SAVE]; - if (!firstframe || ip != lr) { -- printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip); -+ printk("["REG"] ["REG"] %pA", sp, ip, (void *)ip); - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - if ((ip == rth) && curr_frame >= 0) { -- printk(" (%pS)", -+ printk(" (%pA)", - (void *)current->ret_stack[curr_frame].ret); - curr_frame--; - } -@@ -1577,7 +1577,7 @@ void show_stack(struct task_struct *tsk, unsigned long *stack) - struct pt_regs *regs = (struct pt_regs *) - (sp + STACK_FRAME_OVERHEAD); - lr = regs->link; -- printk("--- interrupt: %lx at %pS\n LR = %pS\n", -+ printk("--- interrupt: %lx at %pA\n LR = %pA\n", - regs->trap, (void *)regs->nip, (void *)lr); - firstframe = 1; - } -@@ -1613,49 +1613,3 @@ void notrace __ppc64_runlatch_off(void) - mtspr(SPRN_CTRLT, ctrl); - } - #endif /* CONFIG_PPC64 */ -- --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- return sp & ~0xf; --} -- --static inline unsigned long brk_rnd(void) --{ -- unsigned long rnd = 0; -- -- /* 8MB for 32bit, 1GB for 64bit */ -- if (is_32bit_task()) -- rnd = (long)(get_random_int() % (1<<(23-PAGE_SHIFT))); -- else -- rnd = (long)(get_random_int() % (1<<(30-PAGE_SHIFT))); -- -- return rnd << PAGE_SHIFT; --} -- --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long base = mm->brk; -- unsigned long ret; -- --#ifdef CONFIG_PPC_STD_MMU_64 -- /* -- * If we are using 1TB segments and we are allowed to randomise -- * the heap, we can put it above 1TB so it is backed by a 1TB -- * segment. Otherwise the heap will be in the bottom 1TB -- * which always uses 256MB segments and this may result in a -- * performance penalty. -- */ -- if (!is_32bit_task() && (mmu_highuser_ssize == MMU_SEGSIZE_1T)) -- base = max_t(unsigned long, mm->brk, 1UL << SID_SHIFT_1T); --#endif -- -- ret = PAGE_ALIGN(base + brk_rnd()); -- -- if (ret < mm->brk) -- return mm->brk; -- -- return ret; --} -- -diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c -index f21897b..28c0428 100644 ---- a/arch/powerpc/kernel/ptrace.c -+++ b/arch/powerpc/kernel/ptrace.c -@@ -1762,6 +1762,10 @@ long arch_ptrace(struct task_struct *child, long request, - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - /* - * We must return the syscall number to actually look up in the table. - * This can be -1L to skip running any syscall at all. -@@ -1774,6 +1778,11 @@ long do_syscall_trace_enter(struct pt_regs *regs) - - secure_computing_strict(regs->gpr[0]); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - if (test_thread_flag(TIF_SYSCALL_TRACE) && - tracehook_report_syscall_entry(regs)) - /* -@@ -1805,6 +1814,11 @@ void do_syscall_trace_leave(struct pt_regs *regs) - { - int step; - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - audit_syscall_exit(regs); - - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) -diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c -index da50e0c..5ff6307 100644 ---- a/arch/powerpc/kernel/signal_32.c -+++ b/arch/powerpc/kernel/signal_32.c -@@ -1009,7 +1009,7 @@ int handle_rt_signal32(struct ksignal *ksig, sigset_t *oldset, - /* Save user registers on the stack */ - frame = &rt_sf->uc.uc_mcontext; - addr = frame; -- if (vdso32_rt_sigtramp && current->mm->context.vdso_base) { -+ if (vdso32_rt_sigtramp && current->mm->context.vdso_base != ~0UL) { - sigret = 0; - tramp = current->mm->context.vdso_base + vdso32_rt_sigtramp; - } else { -diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c -index c7c24d2..1bf7039 100644 ---- a/arch/powerpc/kernel/signal_64.c -+++ b/arch/powerpc/kernel/signal_64.c -@@ -754,7 +754,7 @@ int handle_rt_signal64(struct ksignal *ksig, sigset_t *set, struct pt_regs *regs - current->thread.fp_state.fpscr = 0; - - /* Set up to return from userspace. */ -- if (vdso64_rt_sigtramp && current->mm->context.vdso_base) { -+ if (vdso64_rt_sigtramp && current->mm->context.vdso_base != ~0UL) { - regs->link = current->mm->context.vdso_base + vdso64_rt_sigtramp; - } else { - err |= setup_trampoline(__NR_rt_sigreturn, &frame->tramp[0]); -diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c -index 19e4744..28a8d7b 100644 ---- a/arch/powerpc/kernel/traps.c -+++ b/arch/powerpc/kernel/traps.c -@@ -36,6 +36,7 @@ - #include <linux/debugfs.h> - #include <linux/ratelimit.h> - #include <linux/context_tracking.h> -+#include <linux/uaccess.h> - - #include <asm/emulated_ops.h> - #include <asm/pgtable.h> -@@ -142,6 +143,8 @@ static unsigned __kprobes long oops_begin(struct pt_regs *regs) - return flags; - } - -+extern void gr_handle_kernel_exploit(void); -+ - static void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, - int signr) - { -@@ -191,6 +194,9 @@ static void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, - panic("Fatal exception in interrupt"); - if (panic_on_oops) - panic("Fatal exception"); -+ -+ gr_handle_kernel_exploit(); -+ - do_exit(signr); - } - -@@ -1137,6 +1143,26 @@ void __kprobes program_check_exception(struct pt_regs *regs) - enum ctx_state prev_state = exception_enter(); - unsigned int reason = get_reason(regs); - -+#ifdef CONFIG_PAX_REFCOUNT -+ unsigned int bkpt; -+ const struct exception_table_entry *entry; -+ -+ if (reason & REASON_ILLEGAL) { -+ /* Check if PaX bad instruction */ -+ if (!probe_kernel_address(regs->nip, bkpt) && bkpt == 0xc00b00) { -+ current->thread.trap_nr = 0; -+ pax_report_refcount_overflow(regs); -+ /* fixup_exception() for PowerPC does not exist, simulate its job */ -+ if ((entry = search_exception_tables(regs->nip)) != NULL) { -+ regs->nip = entry->fixup; -+ return; -+ } -+ /* fixup_exception() could not handle */ -+ goto bail; -+ } -+ } -+#endif -+ - /* We can now get here via a FP Unavailable exception if the core - * has no FPU, in that case the reason flags will be 0 */ - -diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c -index 305eb0d..accc5b40 100644 ---- a/arch/powerpc/kernel/vdso.c -+++ b/arch/powerpc/kernel/vdso.c -@@ -34,6 +34,7 @@ - #include <asm/vdso.h> - #include <asm/vdso_datapage.h> - #include <asm/setup.h> -+#include <asm/mman.h> - - #undef DEBUG - -@@ -220,7 +221,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - vdso_base = VDSO32_MBASE; - #endif - -- current->mm->context.vdso_base = 0; -+ current->mm->context.vdso_base = ~0UL; - - /* vDSO has a problem and was disabled, just don't "enable" it for the - * process -@@ -240,7 +241,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - vdso_base = get_unmapped_area(NULL, vdso_base, - (vdso_pages << PAGE_SHIFT) + - ((VDSO_ALIGNMENT - 1) & PAGE_MASK), -- 0, 0); -+ 0, MAP_PRIVATE | MAP_EXECUTABLE); - if (IS_ERR_VALUE(vdso_base)) { - rc = vdso_base; - goto fail_mmapsem; -diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c -index ac3ddf1..9a54c76 100644 ---- a/arch/powerpc/kvm/powerpc.c -+++ b/arch/powerpc/kvm/powerpc.c -@@ -1403,7 +1403,7 @@ void kvmppc_init_lpid(unsigned long nr_lpids_param) - } - EXPORT_SYMBOL_GPL(kvmppc_init_lpid); - --int kvm_arch_init(void *opaque) -+int kvm_arch_init(const void *opaque) - { - return 0; - } -diff --git a/arch/powerpc/lib/usercopy_64.c b/arch/powerpc/lib/usercopy_64.c -index 5eea6f3..5d10396 100644 ---- a/arch/powerpc/lib/usercopy_64.c -+++ b/arch/powerpc/lib/usercopy_64.c -@@ -9,22 +9,6 @@ - #include <linux/module.h> - #include <asm/uaccess.h> - --unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) --{ -- if (likely(access_ok(VERIFY_READ, from, n))) -- n = __copy_from_user(to, from, n); -- else -- memset(to, 0, n); -- return n; --} -- --unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) --{ -- if (likely(access_ok(VERIFY_WRITE, to, n))) -- n = __copy_to_user(to, from, n); -- return n; --} -- - unsigned long copy_in_user(void __user *to, const void __user *from, - unsigned long n) - { -@@ -35,7 +19,5 @@ unsigned long copy_in_user(void __user *to, const void __user *from, - return n; - } - --EXPORT_SYMBOL(copy_from_user); --EXPORT_SYMBOL(copy_to_user); - EXPORT_SYMBOL(copy_in_user); - -diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c -index b396868..3eb6b9f 100644 ---- a/arch/powerpc/mm/fault.c -+++ b/arch/powerpc/mm/fault.c -@@ -33,6 +33,10 @@ - #include <linux/ratelimit.h> - #include <linux/context_tracking.h> - #include <linux/hugetlb.h> -+#include <linux/slab.h> -+#include <linux/pagemap.h> -+#include <linux/compiler.h> -+#include <linux/unistd.h> - - #include <asm/firmware.h> - #include <asm/page.h> -@@ -68,6 +72,33 @@ static inline int notify_page_fault(struct pt_regs *regs) - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (regs->nip = fault address) -+ * -+ * returns 1 when task should be killed -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int __user *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * Check whether the instruction at regs->nip is a store using - * an update addressing form which will update r1. -@@ -227,7 +258,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address, - * indicate errors in DSISR but can validly be set in SRR1. - */ - if (trap == 0x400) -- error_code &= 0x48200000; -+ error_code &= 0x58200000; - else - is_write = error_code & DSISR_ISSTORE; - #else -@@ -383,12 +414,16 @@ good_area: - * "undefined". Of those that can be set, this is the only - * one which seems bad. - */ -- if (error_code & 0x10000000) -+ if (error_code & DSISR_GUARDED) - /* Guarded storage error. */ - goto bad_area; - #endif /* CONFIG_8xx */ - - if (is_exec) { -+#ifdef CONFIG_PPC_STD_MMU -+ if (error_code & DSISR_GUARDED) -+ goto bad_area; -+#endif - /* - * Allow execution from readable areas if the MMU does not - * provide separate controls over reading and executing. -@@ -483,6 +518,23 @@ bad_area: - bad_area_nosemaphore: - /* User mode accesses cause a SIGSEGV */ - if (user_mode(regs)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (mm->pax_flags & MF_PAX_PAGEEXEC) { -+#ifdef CONFIG_PPC_STD_MMU -+ if (is_exec && (error_code & (DSISR_PROTFAULT | DSISR_GUARDED))) { -+#else -+ if (is_exec && regs->nip == address) { -+#endif -+ switch (pax_handle_fetch_fault(regs)) { -+ } -+ -+ pax_report_fault(regs, (void *)regs->nip, (void *)regs->gpr[PT_R1]); -+ do_group_exit(SIGKILL); -+ } -+ } -+#endif -+ - _exception(SIGSEGV, regs, code, address); - goto bail; - } -diff --git a/arch/powerpc/mm/mmap.c b/arch/powerpc/mm/mmap.c -index 0f0502e..bc3e7a3 100644 ---- a/arch/powerpc/mm/mmap.c -+++ b/arch/powerpc/mm/mmap.c -@@ -86,6 +86,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - -@@ -95,9 +99,21 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - */ - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } -diff --git a/arch/powerpc/mm/slice.c b/arch/powerpc/mm/slice.c -index 0f432a7..abfe841 100644 ---- a/arch/powerpc/mm/slice.c -+++ b/arch/powerpc/mm/slice.c -@@ -105,7 +105,7 @@ static int slice_area_is_free(struct mm_struct *mm, unsigned long addr, - if ((mm->task_size - len) < addr) - return 0; - vma = find_vma(mm, addr); -- return (!vma || (addr + len) <= vma->vm_start); -+ return check_heap_stack_gap(vma, addr, len, 0); - } - - static int slice_low_has_vma(struct mm_struct *mm, unsigned long slice) -@@ -277,6 +277,12 @@ static unsigned long slice_find_area_bottomup(struct mm_struct *mm, - info.align_offset = 0; - - addr = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ addr += mm->delta_mmap; -+#endif -+ - while (addr < TASK_SIZE) { - info.low_limit = addr; - if (!slice_scan_available(addr, available, 1, &addr)) -@@ -410,6 +416,11 @@ unsigned long slice_get_unmapped_area(unsigned long addr, unsigned long len, - if (fixed && addr > (mm->task_size - len)) - return -ENOMEM; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!fixed && (mm->pax_flags & MF_PAX_RANDMMAP)) -+ addr = 0; -+#endif -+ - /* If hint, make sure it matches our alignment restrictions */ - if (!fixed && addr) { - addr = _ALIGN_UP(addr, 1ul << pshift); -diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c -index d966bbe..372124a 100644 ---- a/arch/powerpc/platforms/cell/spufs/file.c -+++ b/arch/powerpc/platforms/cell/spufs/file.c -@@ -280,9 +280,9 @@ spufs_mem_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf) - return VM_FAULT_NOPAGE; - } - --static int spufs_mem_mmap_access(struct vm_area_struct *vma, -+static ssize_t spufs_mem_mmap_access(struct vm_area_struct *vma, - unsigned long address, -- void *buf, int len, int write) -+ void *buf, size_t len, int write) - { - struct spu_context *ctx = vma->vm_file->private_data; - unsigned long offset = address - vma->vm_start; -diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h -index adbe380..adb7516 100644 ---- a/arch/s390/include/asm/atomic.h -+++ b/arch/s390/include/asm/atomic.h -@@ -317,4 +317,14 @@ static inline long long atomic64_dec_if_positive(atomic64_t *v) - #define atomic64_dec_and_test(_v) (atomic64_sub_return(1, _v) == 0) - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* __ARCH_S390_ATOMIC__ */ -diff --git a/arch/s390/include/asm/barrier.h b/arch/s390/include/asm/barrier.h -index 8d72471..5322500 100644 ---- a/arch/s390/include/asm/barrier.h -+++ b/arch/s390/include/asm/barrier.h -@@ -42,7 +42,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - barrier(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/s390/include/asm/cache.h b/arch/s390/include/asm/cache.h -index 4d7ccac..d03d0ad 100644 ---- a/arch/s390/include/asm/cache.h -+++ b/arch/s390/include/asm/cache.h -@@ -9,8 +9,10 @@ - #ifndef __ARCH_S390_CACHE_H - #define __ARCH_S390_CACHE_H - --#define L1_CACHE_BYTES 256 -+#include <linux/const.h> -+ - #define L1_CACHE_SHIFT 8 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - #define NET_SKB_PAD 32 - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) -diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h -index 3ad48f2..64cc6f3 100644 ---- a/arch/s390/include/asm/elf.h -+++ b/arch/s390/include/asm/elf.h -@@ -163,6 +163,13 @@ extern unsigned int vdso_enabled; - (STACK_TOP / 3 * 2) : \ - (STACK_TOP / 3 * 2) & ~((1UL << 32) - 1)) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_31BIT) ? 0x10000UL : 0x80000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26) -+#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26) -+#endif -+ - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. */ - -diff --git a/arch/s390/include/asm/exec.h b/arch/s390/include/asm/exec.h -index c4a93d6..4d2a9b4 100644 ---- a/arch/s390/include/asm/exec.h -+++ b/arch/s390/include/asm/exec.h -@@ -7,6 +7,6 @@ - #ifndef __ASM_EXEC_H - #define __ASM_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - #endif /* __ASM_EXEC_H */ -diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h -index d64a7a6..0830329 100644 ---- a/arch/s390/include/asm/uaccess.h -+++ b/arch/s390/include/asm/uaccess.h -@@ -59,6 +59,7 @@ static inline int __range_ok(unsigned long addr, unsigned long size) - __range_ok((unsigned long)(addr), (size)); \ - }) - -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) __access_ok(addr, size) - - /* -@@ -275,6 +276,10 @@ static inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long n) - { - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ - return __copy_to_user(to, from, n); - } - -@@ -303,10 +308,14 @@ __compiletime_warning("copy_from_user() buffer size is not provably correct") - static inline unsigned long __must_check - copy_from_user(void *to, const void __user *from, unsigned long n) - { -- unsigned int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - - might_fault(); -- if (unlikely(sz != -1 && sz < n)) { -+ -+ if ((long)n < 0) -+ return n; -+ -+ if (unlikely(sz != (size_t)-1 && sz < n)) { - copy_from_user_overflow(); - return n; - } -diff --git a/arch/s390/kernel/module.c b/arch/s390/kernel/module.c -index 0c1a679..e1df357 100644 ---- a/arch/s390/kernel/module.c -+++ b/arch/s390/kernel/module.c -@@ -159,11 +159,11 @@ int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs, - - /* Increase core size by size of got & plt and set start - offsets for got and plt. */ -- me->core_size = ALIGN(me->core_size, 4); -- me->arch.got_offset = me->core_size; -- me->core_size += me->arch.got_size; -- me->arch.plt_offset = me->core_size; -- me->core_size += me->arch.plt_size; -+ me->core_size_rw = ALIGN(me->core_size_rw, 4); -+ me->arch.got_offset = me->core_size_rw; -+ me->core_size_rw += me->arch.got_size; -+ me->arch.plt_offset = me->core_size_rx; -+ me->core_size_rx += me->arch.plt_size; - return 0; - } - -@@ -279,7 +279,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - if (info->got_initialized == 0) { - Elf_Addr *gotent; - -- gotent = me->module_core + me->arch.got_offset + -+ gotent = me->module_core_rw + me->arch.got_offset + - info->got_offset; - *gotent = val; - info->got_initialized = 1; -@@ -302,7 +302,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - rc = apply_rela_bits(loc, val, 0, 64, 0); - else if (r_type == R_390_GOTENT || - r_type == R_390_GOTPLTENT) { -- val += (Elf_Addr) me->module_core - loc; -+ val += (Elf_Addr) me->module_core_rw - loc; - rc = apply_rela_bits(loc, val, 1, 32, 1); - } - break; -@@ -315,7 +315,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - case R_390_PLTOFF64: /* 16 bit offset from GOT to PLT. */ - if (info->plt_initialized == 0) { - unsigned int *ip; -- ip = me->module_core + me->arch.plt_offset + -+ ip = me->module_core_rx + me->arch.plt_offset + - info->plt_offset; - ip[0] = 0x0d10e310; /* basr 1,0; lg 1,10(1); br 1 */ - ip[1] = 0x100a0004; -@@ -334,7 +334,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - val - loc + 0xffffUL < 0x1ffffeUL) || - (r_type == R_390_PLT32DBL && - val - loc + 0xffffffffULL < 0x1fffffffeULL))) -- val = (Elf_Addr) me->module_core + -+ val = (Elf_Addr) me->module_core_rx + - me->arch.plt_offset + - info->plt_offset; - val += rela->r_addend - loc; -@@ -356,7 +356,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - case R_390_GOTOFF32: /* 32 bit offset to GOT. */ - case R_390_GOTOFF64: /* 64 bit offset to GOT. */ - val = val + rela->r_addend - -- ((Elf_Addr) me->module_core + me->arch.got_offset); -+ ((Elf_Addr) me->module_core_rw + me->arch.got_offset); - if (r_type == R_390_GOTOFF16) - rc = apply_rela_bits(loc, val, 0, 16, 0); - else if (r_type == R_390_GOTOFF32) -@@ -366,7 +366,7 @@ static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab, - break; - case R_390_GOTPC: /* 32 bit PC relative offset to GOT. */ - case R_390_GOTPCDBL: /* 32 bit PC rel. off. to GOT shifted by 1. */ -- val = (Elf_Addr) me->module_core + me->arch.got_offset + -+ val = (Elf_Addr) me->module_core_rw + me->arch.got_offset + - rela->r_addend - loc; - if (r_type == R_390_GOTPC) - rc = apply_rela_bits(loc, val, 1, 32, 0); -diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c -index 8f587d8..0642516b 100644 ---- a/arch/s390/kernel/process.c -+++ b/arch/s390/kernel/process.c -@@ -200,27 +200,3 @@ unsigned long get_wchan(struct task_struct *p) - } - return 0; - } -- --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- return sp & ~0xf; --} -- --static inline unsigned long brk_rnd(void) --{ -- /* 8MB for 32bit, 1GB for 64bit */ -- if (is_32bit_task()) -- return (get_random_int() & 0x7ffUL) << PAGE_SHIFT; -- else -- return (get_random_int() & 0x3ffffUL) << PAGE_SHIFT; --} -- --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long ret; -- -- ret = PAGE_ALIGN(mm->brk + brk_rnd()); -- return (ret > mm->brk) ? ret : mm->brk; --} -diff --git a/arch/s390/mm/mmap.c b/arch/s390/mm/mmap.c -index 6e552af..3e608a1 100644 ---- a/arch/s390/mm/mmap.c -+++ b/arch/s390/mm/mmap.c -@@ -239,6 +239,10 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - -@@ -248,9 +252,21 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - */ - if (mmap_is_legacy()) { - mm->mmap_base = mmap_base_legacy(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = s390_get_unmapped_area; - } else { - mm->mmap_base = mmap_base(random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = s390_get_unmapped_area_topdown; - } - } -diff --git a/arch/score/include/asm/cache.h b/arch/score/include/asm/cache.h -index ae3d59f..f65f075 100644 ---- a/arch/score/include/asm/cache.h -+++ b/arch/score/include/asm/cache.h -@@ -1,7 +1,9 @@ - #ifndef _ASM_SCORE_CACHE_H - #define _ASM_SCORE_CACHE_H - -+#include <linux/const.h> -+ - #define L1_CACHE_SHIFT 4 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif /* _ASM_SCORE_CACHE_H */ -diff --git a/arch/score/include/asm/exec.h b/arch/score/include/asm/exec.h -index f9f3cd5..58ff438 100644 ---- a/arch/score/include/asm/exec.h -+++ b/arch/score/include/asm/exec.h -@@ -1,6 +1,6 @@ - #ifndef _ASM_SCORE_EXEC_H - #define _ASM_SCORE_EXEC_H - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) (x) - - #endif /* _ASM_SCORE_EXEC_H */ -diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c -index a1519ad3..e8ac1ff 100644 ---- a/arch/score/kernel/process.c -+++ b/arch/score/kernel/process.c -@@ -116,8 +116,3 @@ unsigned long get_wchan(struct task_struct *task) - - return task_pt_regs(task)->cp0_epc; - } -- --unsigned long arch_align_stack(unsigned long sp) --{ -- return sp; --} -diff --git a/arch/sh/include/asm/cache.h b/arch/sh/include/asm/cache.h -index ef9e555..331bd29 100644 ---- a/arch/sh/include/asm/cache.h -+++ b/arch/sh/include/asm/cache.h -@@ -9,10 +9,11 @@ - #define __ASM_SH_CACHE_H - #ifdef __KERNEL__ - -+#include <linux/const.h> - #include <linux/init.h> - #include <cpu/cache.h> - --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) - -diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c -index 6777177..cb5e44f 100644 ---- a/arch/sh/mm/mmap.c -+++ b/arch/sh/mm/mmap.c -@@ -36,6 +36,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - int do_colour_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (flags & MAP_FIXED) { -@@ -55,6 +56,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - if (filp || (flags & MAP_SHARED)) - do_colour_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_colour_align) - addr = COLOUR_ALIGN(addr, pgoff); -@@ -62,14 +67,13 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - - info.flags = 0; - info.length = len; -- info.low_limit = TASK_UNMAPPED_BASE; -+ info.low_limit = mm->mmap_base; - info.high_limit = TASK_SIZE; - info.align_mask = do_colour_align ? (PAGE_MASK & shm_align_mask) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -@@ -85,6 +89,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; - int do_colour_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (flags & MAP_FIXED) { -@@ -104,6 +109,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - if (filp || (flags & MAP_SHARED)) - do_colour_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - if (do_colour_align) -@@ -112,8 +121,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -135,6 +143,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = TASK_SIZE; - addr = vm_unmapped_area(&info); - } -diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h -index 4082749..fd97781 100644 ---- a/arch/sparc/include/asm/atomic_64.h -+++ b/arch/sparc/include/asm/atomic_64.h -@@ -15,18 +15,38 @@ - #define ATOMIC64_INIT(i) { (i) } - - #define atomic_read(v) ACCESS_ONCE((v)->counter) -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} - #define atomic64_read(v) ACCESS_ONCE((v)->counter) -+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return ACCESS_ONCE(v->counter); -+} - - #define atomic_set(v, i) (((v)->counter) = i) -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} - #define atomic64_set(v, i) (((v)->counter) = i) -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ v->counter = i; -+} - --#define ATOMIC_OP(op) \ --void atomic_##op(int, atomic_t *); \ --void atomic64_##op(long, atomic64_t *); -+#define __ATOMIC_OP(op, suffix) \ -+void atomic_##op##suffix(int, atomic##suffix##_t *); \ -+void atomic64_##op##suffix(long, atomic64##suffix##_t *); - --#define ATOMIC_OP_RETURN(op) \ --int atomic_##op##_return(int, atomic_t *); \ --long atomic64_##op##_return(long, atomic64_t *); -+#define ATOMIC_OP(op) __ATOMIC_OP(op, ) __ATOMIC_OP(op, _unchecked) -+ -+#define __ATOMIC_OP_RETURN(op, suffix) \ -+int atomic_##op##_return##suffix(int, atomic##suffix##_t *); \ -+long atomic64_##op##_return##suffix(long, atomic64##suffix##_t *); -+ -+#define ATOMIC_OP_RETURN(op) __ATOMIC_OP_RETURN(op, ) __ATOMIC_OP_RETURN(op, _unchecked) - - #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) - -@@ -35,13 +55,23 @@ ATOMIC_OPS(sub) - - #undef ATOMIC_OPS - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - - #define atomic_dec_return(v) atomic_sub_return(1, v) - #define atomic64_dec_return(v) atomic64_sub_return(1, v) - - #define atomic_inc_return(v) atomic_add_return(1, v) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - #define atomic64_inc_return(v) atomic64_add_return(1, v) -+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ return atomic64_add_return_unchecked(1, v); -+} - - /* - * atomic_inc_and_test - increment and test -@@ -52,6 +82,10 @@ ATOMIC_OPS(sub) - * other cases. - */ - #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) -+static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_inc_return_unchecked(v) == 0; -+} - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) - - #define atomic_sub_and_test(i, v) (atomic_sub_return(i, v) == 0) -@@ -61,25 +95,60 @@ ATOMIC_OPS(sub) - #define atomic64_dec_and_test(v) (atomic64_sub_return(1, v) == 0) - - #define atomic_inc(v) atomic_add(1, v) -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); -+} - #define atomic64_inc(v) atomic64_add(1, v) -+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ -+ atomic64_add_unchecked(1, v); -+} - - #define atomic_dec(v) atomic_sub(1, v) -+static inline void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_sub_unchecked(1, v); -+} - #define atomic64_dec(v) atomic64_sub(1, v) -+static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v) -+{ -+ atomic64_sub_unchecked(1, v); -+} - - #define atomic_add_negative(i, v) (atomic_add_return(i, v) < 0) - #define atomic64_add_negative(i, v) (atomic64_add_return(i, v) < 0) - - #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} - - static inline int __atomic_add_unless(atomic_t *v, int a, int u) - { -- int c, old; -+ int c, old, new; - c = atomic_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addcc %2, %0, %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "tvs %%icc, 6\n" -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a) -+ : "cc"); -+ -+ old = atomic_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; -@@ -90,20 +159,35 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - #define atomic64_cmpxchg(v, o, n) \ - ((__typeof__((v)->counter))cmpxchg(&((v)->counter), (o), (n))) - #define atomic64_xchg(v, new) (xchg(&((v)->counter), new)) -+static inline long atomic64_xchg_unchecked(atomic64_unchecked_t *v, long new) -+{ -+ return xchg(&v->counter, new); -+} - - static inline long atomic64_add_unless(atomic64_t *v, long a, long u) - { -- long c, old; -+ long c, old, new; - c = atomic64_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic64_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addcc %2, %0, %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "tvs %%xcc, 6\n" -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a) -+ : "cc"); -+ -+ old = atomic64_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; - } -- return c != (u); -+ return c != u; - } - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -diff --git a/arch/sparc/include/asm/barrier_64.h b/arch/sparc/include/asm/barrier_64.h -index 7664894..45a974b 100644 ---- a/arch/sparc/include/asm/barrier_64.h -+++ b/arch/sparc/include/asm/barrier_64.h -@@ -60,7 +60,7 @@ do { __asm__ __volatile__("ba,pt %%xcc, 1f\n\t" \ - do { \ - compiletime_assert_atomic_type(*p); \ - barrier(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h -index 5bb6991..5c2132e 100644 ---- a/arch/sparc/include/asm/cache.h -+++ b/arch/sparc/include/asm/cache.h -@@ -7,10 +7,12 @@ - #ifndef _SPARC_CACHE_H - #define _SPARC_CACHE_H - -+#include <linux/const.h> -+ - #define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) - - #define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES 32 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #ifdef CONFIG_SPARC32 - #define SMP_CACHE_BYTES_SHIFT 5 -diff --git a/arch/sparc/include/asm/elf_32.h b/arch/sparc/include/asm/elf_32.h -index a24e41f..47677ff 100644 ---- a/arch/sparc/include/asm/elf_32.h -+++ b/arch/sparc/include/asm/elf_32.h -@@ -114,6 +114,13 @@ typedef struct { - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x10000UL -+ -+#define PAX_DELTA_MMAP_LEN 16 -+#define PAX_DELTA_STACK_LEN 16 -+#endif -+ - /* This yields a mask that user programs can use to figure out what - instruction set this cpu supports. This can NOT be done in userspace - on Sparc. */ -diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h -index 370ca1e..d4f4a98 100644 ---- a/arch/sparc/include/asm/elf_64.h -+++ b/arch/sparc/include/asm/elf_64.h -@@ -189,6 +189,13 @@ typedef struct { - #define ELF_ET_DYN_BASE 0x0000010000000000UL - #define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_32BIT) ? 0x10000UL : 0x100000UL) -+ -+#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_32BIT) ? 14 : 28) -+#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_32BIT) ? 15 : 29) -+#endif -+ - extern unsigned long sparc64_elf_hwcap; - #define ELF_HWCAP sparc64_elf_hwcap - -diff --git a/arch/sparc/include/asm/pgalloc_32.h b/arch/sparc/include/asm/pgalloc_32.h -index a3890da..f6a408e 100644 ---- a/arch/sparc/include/asm/pgalloc_32.h -+++ b/arch/sparc/include/asm/pgalloc_32.h -@@ -35,6 +35,7 @@ static inline void pgd_set(pgd_t * pgdp, pmd_t * pmdp) - } - - #define pgd_populate(MM, PGD, PMD) pgd_set(PGD, PMD) -+#define pgd_populate_kernel(MM, PGD, PMD) pgd_populate((MM), (PGD), (PMD)) - - static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, - unsigned long address) -diff --git a/arch/sparc/include/asm/pgalloc_64.h b/arch/sparc/include/asm/pgalloc_64.h -index 5e31871..13469c6 100644 ---- a/arch/sparc/include/asm/pgalloc_64.h -+++ b/arch/sparc/include/asm/pgalloc_64.h -@@ -21,6 +21,7 @@ static inline void __pgd_populate(pgd_t *pgd, pud_t *pud) - } - - #define pgd_populate(MM, PGD, PUD) __pgd_populate(PGD, PUD) -+#define pgd_populate_kernel(MM, PGD, PMD) pgd_populate((MM), (PGD), (PMD)) - - static inline pgd_t *pgd_alloc(struct mm_struct *mm) - { -@@ -38,6 +39,7 @@ static inline void __pud_populate(pud_t *pud, pmd_t *pmd) - } - - #define pud_populate(MM, PUD, PMD) __pud_populate(PUD, PMD) -+#define pud_populate_kernel(MM, PUD, PMD) pud_populate((MM), (PUD), (PMD)) - - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { -diff --git a/arch/sparc/include/asm/pgtable.h b/arch/sparc/include/asm/pgtable.h -index 59ba6f6..4518128 100644 ---- a/arch/sparc/include/asm/pgtable.h -+++ b/arch/sparc/include/asm/pgtable.h -@@ -5,4 +5,8 @@ - #else - #include <asm/pgtable_32.h> - #endif -+ -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #endif -diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h -index f06b36a..bca3189 100644 ---- a/arch/sparc/include/asm/pgtable_32.h -+++ b/arch/sparc/include/asm/pgtable_32.h -@@ -51,6 +51,9 @@ unsigned long __init bootmem_init(unsigned long *pages_avail); - #define PAGE_SHARED SRMMU_PAGE_SHARED - #define PAGE_COPY SRMMU_PAGE_COPY - #define PAGE_READONLY SRMMU_PAGE_RDONLY -+#define PAGE_SHARED_NOEXEC SRMMU_PAGE_SHARED_NOEXEC -+#define PAGE_COPY_NOEXEC SRMMU_PAGE_COPY_NOEXEC -+#define PAGE_READONLY_NOEXEC SRMMU_PAGE_RDONLY_NOEXEC - #define PAGE_KERNEL SRMMU_PAGE_KERNEL - - /* Top-level page directory - dummy used by init-mm. -@@ -63,18 +66,18 @@ extern unsigned long ptr_in_current_pgd; - - /* xwr */ - #define __P000 PAGE_NONE --#define __P001 PAGE_READONLY --#define __P010 PAGE_COPY --#define __P011 PAGE_COPY -+#define __P001 PAGE_READONLY_NOEXEC -+#define __P010 PAGE_COPY_NOEXEC -+#define __P011 PAGE_COPY_NOEXEC - #define __P100 PAGE_READONLY - #define __P101 PAGE_READONLY - #define __P110 PAGE_COPY - #define __P111 PAGE_COPY - - #define __S000 PAGE_NONE --#define __S001 PAGE_READONLY --#define __S010 PAGE_SHARED --#define __S011 PAGE_SHARED -+#define __S001 PAGE_READONLY_NOEXEC -+#define __S010 PAGE_SHARED_NOEXEC -+#define __S011 PAGE_SHARED_NOEXEC - #define __S100 PAGE_READONLY - #define __S101 PAGE_READONLY - #define __S110 PAGE_SHARED -diff --git a/arch/sparc/include/asm/pgtsrmmu.h b/arch/sparc/include/asm/pgtsrmmu.h -index ae51a11..eadfd03 100644 ---- a/arch/sparc/include/asm/pgtsrmmu.h -+++ b/arch/sparc/include/asm/pgtsrmmu.h -@@ -111,6 +111,11 @@ - SRMMU_EXEC | SRMMU_REF) - #define SRMMU_PAGE_RDONLY __pgprot(SRMMU_VALID | SRMMU_CACHE | \ - SRMMU_EXEC | SRMMU_REF) -+ -+#define SRMMU_PAGE_SHARED_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_WRITE | SRMMU_REF) -+#define SRMMU_PAGE_COPY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF) -+#define SRMMU_PAGE_RDONLY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF) -+ - #define SRMMU_PAGE_KERNEL __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_PRIV | \ - SRMMU_DIRTY | SRMMU_REF) - -diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h -index 29d64b1..4272fe8 100644 ---- a/arch/sparc/include/asm/setup.h -+++ b/arch/sparc/include/asm/setup.h -@@ -55,8 +55,8 @@ int handle_ldf_stq(u32 insn, struct pt_regs *regs); - void handle_ld_nf(u32 insn, struct pt_regs *regs); - - /* init_64.c */ --extern atomic_t dcpage_flushes; --extern atomic_t dcpage_flushes_xcall; -+extern atomic_unchecked_t dcpage_flushes; -+extern atomic_unchecked_t dcpage_flushes_xcall; - - extern int sysctl_tsb_ratio; - #endif -diff --git a/arch/sparc/include/asm/spinlock_64.h b/arch/sparc/include/asm/spinlock_64.h -index 9689176..63c18ea 100644 ---- a/arch/sparc/include/asm/spinlock_64.h -+++ b/arch/sparc/include/asm/spinlock_64.h -@@ -92,14 +92,19 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long fla - - /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */ - --static void inline arch_read_lock(arch_rwlock_t *lock) -+static inline void arch_read_lock(arch_rwlock_t *lock) - { - unsigned long tmp1, tmp2; - - __asm__ __volatile__ ( - "1: ldsw [%2], %0\n" - " brlz,pn %0, 2f\n" --"4: add %0, 1, %1\n" -+"4: addcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%icc, 1b\n" -@@ -112,10 +117,10 @@ static void inline arch_read_lock(arch_rwlock_t *lock) - " .previous" - : "=&r" (tmp1), "=&r" (tmp2) - : "r" (lock) -- : "memory"); -+ : "memory", "cc"); - } - --static int inline arch_read_trylock(arch_rwlock_t *lock) -+static inline int arch_read_trylock(arch_rwlock_t *lock) - { - int tmp1, tmp2; - -@@ -123,7 +128,12 @@ static int inline arch_read_trylock(arch_rwlock_t *lock) - "1: ldsw [%2], %0\n" - " brlz,a,pn %0, 2f\n" - " mov 0, %0\n" --" add %0, 1, %1\n" -+" addcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%icc, 1b\n" -@@ -136,13 +146,18 @@ static int inline arch_read_trylock(arch_rwlock_t *lock) - return tmp1; - } - --static void inline arch_read_unlock(arch_rwlock_t *lock) -+static inline void arch_read_unlock(arch_rwlock_t *lock) - { - unsigned long tmp1, tmp2; - - __asm__ __volatile__( - "1: lduw [%2], %0\n" --" sub %0, 1, %1\n" -+" subcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%xcc, 1b\n" -@@ -152,7 +167,7 @@ static void inline arch_read_unlock(arch_rwlock_t *lock) - : "memory"); - } - --static void inline arch_write_lock(arch_rwlock_t *lock) -+static inline void arch_write_lock(arch_rwlock_t *lock) - { - unsigned long mask, tmp1, tmp2; - -@@ -177,7 +192,7 @@ static void inline arch_write_lock(arch_rwlock_t *lock) - : "memory"); - } - --static void inline arch_write_unlock(arch_rwlock_t *lock) -+static inline void arch_write_unlock(arch_rwlock_t *lock) - { - __asm__ __volatile__( - " stw %%g0, [%0]" -@@ -186,7 +201,7 @@ static void inline arch_write_unlock(arch_rwlock_t *lock) - : "memory"); - } - --static int inline arch_write_trylock(arch_rwlock_t *lock) -+static inline int arch_write_trylock(arch_rwlock_t *lock) - { - unsigned long mask, tmp1, tmp2, result; - -diff --git a/arch/sparc/include/asm/thread_info_32.h b/arch/sparc/include/asm/thread_info_32.h -index 229475f..2fca9163 100644 ---- a/arch/sparc/include/asm/thread_info_32.h -+++ b/arch/sparc/include/asm/thread_info_32.h -@@ -48,6 +48,7 @@ struct thread_info { - struct reg_window32 reg_window[NSWINS]; /* align for ldd! */ - unsigned long rwbuf_stkptrs[NSWINS]; - unsigned long w_saved; -+ unsigned long lowest_stack; - }; - - /* -diff --git a/arch/sparc/include/asm/thread_info_64.h b/arch/sparc/include/asm/thread_info_64.h -index bde5982..9cbb56d 100644 ---- a/arch/sparc/include/asm/thread_info_64.h -+++ b/arch/sparc/include/asm/thread_info_64.h -@@ -59,6 +59,8 @@ struct thread_info { - struct pt_regs *kern_una_regs; - unsigned int kern_una_insn; - -+ unsigned long lowest_stack; -+ - unsigned long fpregs[(7 * 256) / sizeof(unsigned long)] - __attribute__ ((aligned(64))); - }; -@@ -180,12 +182,13 @@ register struct thread_info *current_thread_info_reg asm("g6"); - #define TIF_NEED_RESCHED 3 /* rescheduling necessary */ - /* flag bit 4 is available */ - #define TIF_UNALIGNED 5 /* allowed to do unaligned accesses */ --/* flag bit 6 is available */ -+#define TIF_GRSEC_SETXID 6 /* update credentials on syscall entry/exit */ - #define TIF_32BIT 7 /* 32-bit binary */ - #define TIF_NOHZ 8 /* in adaptive nohz mode */ - #define TIF_SECCOMP 9 /* secure computing */ - #define TIF_SYSCALL_AUDIT 10 /* syscall auditing active */ - #define TIF_SYSCALL_TRACEPOINT 11 /* syscall tracepoint instrumentation */ -+ - /* NOTE: Thread flags >= 12 should be ones we have no interest - * in using in assembly, else we can't use the mask as - * an immediate value in instructions such as andcc. -@@ -205,12 +208,17 @@ register struct thread_info *current_thread_info_reg asm("g6"); - #define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT) - #define _TIF_SYSCALL_TRACEPOINT (1<<TIF_SYSCALL_TRACEPOINT) - #define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG) -+#define _TIF_GRSEC_SETXID (1<<TIF_GRSEC_SETXID) - - #define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \ - _TIF_DO_NOTIFY_RESUME_MASK | \ - _TIF_NEED_RESCHED) - #define _TIF_DO_NOTIFY_RESUME_MASK (_TIF_NOTIFY_RESUME | _TIF_SIGPENDING) - -+#define _TIF_WORK_SYSCALL \ -+ (_TIF_SYSCALL_TRACE | _TIF_SECCOMP | _TIF_SYSCALL_AUDIT | \ -+ _TIF_SYSCALL_TRACEPOINT | _TIF_NOHZ | _TIF_GRSEC_SETXID) -+ - #define is_32bit_task() (test_thread_flag(TIF_32BIT)) - - /* -diff --git a/arch/sparc/include/asm/uaccess.h b/arch/sparc/include/asm/uaccess.h -index bd56c28..4b63d83 100644 ---- a/arch/sparc/include/asm/uaccess.h -+++ b/arch/sparc/include/asm/uaccess.h -@@ -1,5 +1,6 @@ - #ifndef ___ASM_SPARC_UACCESS_H - #define ___ASM_SPARC_UACCESS_H -+ - #if defined(__sparc__) && defined(__arch64__) - #include <asm/uaccess_64.h> - #else -diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h -index 64ee103..388aef0 100644 ---- a/arch/sparc/include/asm/uaccess_32.h -+++ b/arch/sparc/include/asm/uaccess_32.h -@@ -47,6 +47,7 @@ - #define __user_ok(addr, size) ({ (void)(size); (addr) < STACK_TOP; }) - #define __kernel_ok (segment_eq(get_fs(), KERNEL_DS)) - #define __access_ok(addr, size) (__user_ok((addr) & get_fs().seg, (size))) -+#define access_ok_noprefault(type, addr, size) access_ok((type), (addr), (size)) - #define access_ok(type, addr, size) \ - ({ (void)(type); __access_ok((unsigned long)(addr), size); }) - -@@ -313,27 +314,46 @@ unsigned long __copy_user(void __user *to, const void __user *from, unsigned lon - - static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) - { -- if (n && __access_ok((unsigned long) to, n)) -+ if ((long)n < 0) -+ return n; -+ -+ if (n && __access_ok((unsigned long) to, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); - return __copy_user(to, (__force void __user *) from, n); -- else -+ } else - return n; - } - - static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ - return __copy_user(to, (__force void __user *) from, n); - } - - static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) - { -- if (n && __access_ok((unsigned long) from, n)) -+ if ((long)n < 0) -+ return n; -+ -+ if (n && __access_ok((unsigned long) from, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); - return __copy_user((__force void __user *) to, from, n); -- else -+ } else - return n; - } - - static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - return __copy_user((__force void __user *) to, from, n); - } - -diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h -index a35194b..47dabc0d 100644 ---- a/arch/sparc/include/asm/uaccess_64.h -+++ b/arch/sparc/include/asm/uaccess_64.h -@@ -10,6 +10,7 @@ - #include <linux/compiler.h> - #include <linux/string.h> - #include <linux/thread_info.h> -+#include <linux/kernel.h> - #include <asm/asi.h> - #include <asm/spitfire.h> - #include <asm-generic/uaccess-unaligned.h> -@@ -54,6 +55,11 @@ static inline int __access_ok(const void __user * addr, unsigned long size) - return 1; - } - -+static inline int access_ok_noprefault(int type, const void __user * addr, unsigned long size) -+{ -+ return 1; -+} -+ - static inline int access_ok(int type, const void __user * addr, unsigned long size) - { - return 1; -@@ -228,8 +234,15 @@ unsigned long copy_from_user_fixup(void *to, const void __user *from, - static inline unsigned long __must_check - copy_from_user(void *to, const void __user *from, unsigned long size) - { -- unsigned long ret = ___copy_from_user(to, from, size); -+ unsigned long ret; - -+ if ((long)size < 0 || size > INT_MAX) -+ return size; -+ -+ if (!__builtin_constant_p(size)) -+ check_object_size(to, size, false); -+ -+ ret = ___copy_from_user(to, from, size); - if (unlikely(ret)) - ret = copy_from_user_fixup(to, from, size); - -@@ -245,8 +258,15 @@ unsigned long copy_to_user_fixup(void __user *to, const void *from, - static inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long size) - { -- unsigned long ret = ___copy_to_user(to, from, size); -+ unsigned long ret; - -+ if ((long)size < 0 || size > INT_MAX) -+ return size; -+ -+ if (!__builtin_constant_p(size)) -+ check_object_size(from, size, true); -+ -+ ret = ___copy_to_user(to, from, size); - if (unlikely(ret)) - ret = copy_to_user_fixup(to, from, size); - return ret; -diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile -index 7cf9c6e..6206648 100644 ---- a/arch/sparc/kernel/Makefile -+++ b/arch/sparc/kernel/Makefile -@@ -4,7 +4,7 @@ - # - - asflags-y := -ansi --ccflags-y := -Werror -+#ccflags-y := -Werror - - extra-y := head_$(BITS).o - -diff --git a/arch/sparc/kernel/process_32.c b/arch/sparc/kernel/process_32.c -index 50e7b62..79fae35 100644 ---- a/arch/sparc/kernel/process_32.c -+++ b/arch/sparc/kernel/process_32.c -@@ -123,14 +123,14 @@ void show_regs(struct pt_regs *r) - - printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n", - r->psr, r->pc, r->npc, r->y, print_tainted()); -- printk("PC: <%pS>\n", (void *) r->pc); -+ printk("PC: <%pA>\n", (void *) r->pc); - printk("%%G: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - r->u_regs[0], r->u_regs[1], r->u_regs[2], r->u_regs[3], - r->u_regs[4], r->u_regs[5], r->u_regs[6], r->u_regs[7]); - printk("%%O: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - r->u_regs[8], r->u_regs[9], r->u_regs[10], r->u_regs[11], - r->u_regs[12], r->u_regs[13], r->u_regs[14], r->u_regs[15]); -- printk("RPC: <%pS>\n", (void *) r->u_regs[15]); -+ printk("RPC: <%pA>\n", (void *) r->u_regs[15]); - - printk("%%L: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - rw->locals[0], rw->locals[1], rw->locals[2], rw->locals[3], -@@ -167,7 +167,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) - rw = (struct reg_window32 *) fp; - pc = rw->ins[7]; - printk("[%08lx : ", pc); -- printk("%pS ] ", (void *) pc); -+ printk("%pA ] ", (void *) pc); - fp = rw->ins[6]; - } while (++count < 16); - printk("\n"); -diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c -index 46a5964..a35c62c 100644 ---- a/arch/sparc/kernel/process_64.c -+++ b/arch/sparc/kernel/process_64.c -@@ -161,7 +161,7 @@ static void show_regwindow(struct pt_regs *regs) - printk("i4: %016lx i5: %016lx i6: %016lx i7: %016lx\n", - rwk->ins[4], rwk->ins[5], rwk->ins[6], rwk->ins[7]); - if (regs->tstate & TSTATE_PRIV) -- printk("I7: <%pS>\n", (void *) rwk->ins[7]); -+ printk("I7: <%pA>\n", (void *) rwk->ins[7]); - } - - void show_regs(struct pt_regs *regs) -@@ -170,7 +170,7 @@ void show_regs(struct pt_regs *regs) - - printk("TSTATE: %016lx TPC: %016lx TNPC: %016lx Y: %08x %s\n", regs->tstate, - regs->tpc, regs->tnpc, regs->y, print_tainted()); -- printk("TPC: <%pS>\n", (void *) regs->tpc); -+ printk("TPC: <%pA>\n", (void *) regs->tpc); - printk("g0: %016lx g1: %016lx g2: %016lx g3: %016lx\n", - regs->u_regs[0], regs->u_regs[1], regs->u_regs[2], - regs->u_regs[3]); -@@ -183,7 +183,7 @@ void show_regs(struct pt_regs *regs) - printk("o4: %016lx o5: %016lx sp: %016lx ret_pc: %016lx\n", - regs->u_regs[12], regs->u_regs[13], regs->u_regs[14], - regs->u_regs[15]); -- printk("RPC: <%pS>\n", (void *) regs->u_regs[15]); -+ printk("RPC: <%pA>\n", (void *) regs->u_regs[15]); - show_regwindow(regs); - show_stack(current, (unsigned long *) regs->u_regs[UREG_FP]); - } -@@ -278,7 +278,7 @@ void arch_trigger_all_cpu_backtrace(bool include_self) - ((tp && tp->task) ? tp->task->pid : -1)); - - if (gp->tstate & TSTATE_PRIV) { -- printk(" TPC[%pS] O7[%pS] I7[%pS] RPC[%pS]\n", -+ printk(" TPC[%pA] O7[%pA] I7[%pA] RPC[%pA]\n", - (void *) gp->tpc, - (void *) gp->o7, - (void *) gp->i7, -diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c -index 79cc0d1..ec62734 100644 ---- a/arch/sparc/kernel/prom_common.c -+++ b/arch/sparc/kernel/prom_common.c -@@ -144,7 +144,7 @@ static int __init prom_common_nextprop(phandle node, char *prev, char *buf) - - unsigned int prom_early_allocated __initdata; - --static struct of_pdt_ops prom_sparc_ops __initdata = { -+static struct of_pdt_ops prom_sparc_ops __initconst = { - .nextprop = prom_common_nextprop, - .getproplen = prom_getproplen, - .getproperty = prom_getproperty, -diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c -index 9ddc492..27a5619 100644 ---- a/arch/sparc/kernel/ptrace_64.c -+++ b/arch/sparc/kernel/ptrace_64.c -@@ -1060,6 +1060,10 @@ long arch_ptrace(struct task_struct *child, long request, - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - asmlinkage int syscall_trace_enter(struct pt_regs *regs) - { - int ret = 0; -@@ -1070,6 +1074,11 @@ asmlinkage int syscall_trace_enter(struct pt_regs *regs) - if (test_thread_flag(TIF_NOHZ)) - user_exit(); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - if (test_thread_flag(TIF_SYSCALL_TRACE)) - ret = tracehook_report_syscall_entry(regs); - -@@ -1088,6 +1097,11 @@ asmlinkage void syscall_trace_leave(struct pt_regs *regs) - if (test_thread_flag(TIF_NOHZ)) - user_exit(); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - audit_syscall_exit(regs); - - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) -diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c -index 19cd08d..ff21e99 100644 ---- a/arch/sparc/kernel/smp_64.c -+++ b/arch/sparc/kernel/smp_64.c -@@ -891,7 +891,7 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu) - return; - - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes); -+ atomic_inc_unchecked(&dcpage_flushes); - #endif - - this_cpu = get_cpu(); -@@ -915,7 +915,7 @@ void smp_flush_dcache_page_impl(struct page *page, int cpu) - xcall_deliver(data0, __pa(pg_addr), - (u64) pg_addr, cpumask_of(cpu)); - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes_xcall); -+ atomic_inc_unchecked(&dcpage_flushes_xcall); - #endif - } - } -@@ -934,7 +934,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page) - preempt_disable(); - - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes); -+ atomic_inc_unchecked(&dcpage_flushes); - #endif - data0 = 0; - pg_addr = page_address(page); -@@ -951,7 +951,7 @@ void flush_dcache_page_all(struct mm_struct *mm, struct page *page) - xcall_deliver(data0, __pa(pg_addr), - (u64) pg_addr, cpu_online_mask); - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes_xcall); -+ atomic_inc_unchecked(&dcpage_flushes_xcall); - #endif - } - __local_flush_dcache_page(page); -diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c -index 646988d..b88905f 100644 ---- a/arch/sparc/kernel/sys_sparc_32.c -+++ b/arch/sparc/kernel/sys_sparc_32.c -@@ -54,7 +54,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - if (len > TASK_SIZE - PAGE_SIZE) - return -ENOMEM; - if (!addr) -- addr = TASK_UNMAPPED_BASE; -+ addr = current->mm->mmap_base; - - info.flags = 0; - info.length = len; -diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c -index 30e7ddb..266a3b0 100644 ---- a/arch/sparc/kernel/sys_sparc_64.c -+++ b/arch/sparc/kernel/sys_sparc_64.c -@@ -89,13 +89,14 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - struct vm_area_struct * vma; - unsigned long task_size = TASK_SIZE; - int do_color_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - if (flags & MAP_FIXED) { - /* We do not accept a shared mapping if it would violate - * cache aliasing constraints. - */ -- if ((flags & MAP_SHARED) && -+ if ((filp || (flags & MAP_SHARED)) && - ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) - return -EINVAL; - return addr; -@@ -110,6 +111,10 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - if (filp || (flags & MAP_SHARED)) - do_color_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align) - addr = COLOR_ALIGN(addr, pgoff); -@@ -117,22 +122,28 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - - info.flags = 0; - info.length = len; -- info.low_limit = TASK_UNMAPPED_BASE; -+ info.low_limit = mm->mmap_base; - info.high_limit = min(task_size, VA_EXCLUDE_START); - info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) { - VM_BUG_ON(addr != -ENOMEM); - info.low_limit = VA_EXCLUDE_END; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = task_size; - addr = vm_unmapped_area(&info); - } -@@ -150,6 +161,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - unsigned long task_size = STACK_TOP32; - unsigned long addr = addr0; - int do_color_align; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - struct vm_unmapped_area_info info; - - /* This should only ever run for 32-bit processes. */ -@@ -159,7 +171,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - /* We do not accept a shared mapping if it would violate - * cache aliasing constraints. - */ -- if ((flags & MAP_SHARED) && -+ if ((filp || (flags & MAP_SHARED)) && - ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) - return -EINVAL; - return addr; -@@ -172,6 +184,10 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - if (filp || (flags & MAP_SHARED)) - do_color_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - if (do_color_align) -@@ -180,8 +196,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -191,6 +206,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0; - info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -203,6 +219,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = STACK_TOP32; - addr = vm_unmapped_area(&info); - } -@@ -259,10 +281,14 @@ unsigned long get_fb_unmapped_area(struct file *filp, unsigned long orig_addr, u - EXPORT_SYMBOL(get_fb_unmapped_area); - - /* Essentially the same as PowerPC. */ --static unsigned long mmap_rnd(void) -+static unsigned long mmap_rnd(struct mm_struct *mm) - { - unsigned long rnd = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (current->flags & PF_RANDOMIZE) { - unsigned long val = get_random_int(); - if (test_thread_flag(TIF_32BIT)) -@@ -275,7 +301,7 @@ static unsigned long mmap_rnd(void) - - void arch_pick_mmap_layout(struct mm_struct *mm) - { -- unsigned long random_factor = mmap_rnd(); -+ unsigned long random_factor = mmap_rnd(mm); - unsigned long gap; - - /* -@@ -288,6 +314,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - gap == RLIM_INFINITY || - sysctl_legacy_va_layout) { - mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } else { - /* We know it's 32-bit */ -@@ -299,6 +331,12 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - gap = (task_size / 6 * 5); - - mm->mmap_base = PAGE_ALIGN(task_size - gap - random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } - } -diff --git a/arch/sparc/kernel/syscalls.S b/arch/sparc/kernel/syscalls.S -index bb00089..e0ea580 100644 ---- a/arch/sparc/kernel/syscalls.S -+++ b/arch/sparc/kernel/syscalls.S -@@ -62,7 +62,7 @@ sys32_rt_sigreturn: - #endif - .align 32 - 1: ldx [%g6 + TI_FLAGS], %l5 -- andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l5, _TIF_WORK_SYSCALL, %g0 - be,pt %icc, rtrap - nop - call syscall_trace_leave -@@ -194,7 +194,7 @@ linux_sparc_syscall32: - - srl %i3, 0, %o3 ! IEU0 - srl %i2, 0, %o2 ! IEU0 Group -- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l0, _TIF_WORK_SYSCALL, %g0 - bne,pn %icc, linux_syscall_trace32 ! CTI - mov %i0, %l5 ! IEU1 - 5: call %l7 ! CTI Group brk forced -@@ -218,7 +218,7 @@ linux_sparc_syscall: - - mov %i3, %o3 ! IEU1 - mov %i4, %o4 ! IEU0 Group -- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l0, _TIF_WORK_SYSCALL, %g0 - bne,pn %icc, linux_syscall_trace ! CTI Group - mov %i0, %l5 ! IEU0 - 2: call %l7 ! CTI Group brk forced -@@ -233,7 +233,7 @@ ret_sys_call: - - cmp %o0, -ERESTART_RESTARTBLOCK - bgeu,pn %xcc, 1f -- andcc %l0, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP|_TIF_SYSCALL_AUDIT|_TIF_SYSCALL_TRACEPOINT|_TIF_NOHZ), %g0 -+ andcc %l0, _TIF_WORK_SYSCALL, %g0 - ldx [%sp + PTREGS_OFF + PT_V9_TNPC], %l1 ! pc = npc - - 2: -diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c -index 4f21df7..0a374da 100644 ---- a/arch/sparc/kernel/traps_32.c -+++ b/arch/sparc/kernel/traps_32.c -@@ -44,6 +44,8 @@ static void instruction_dump(unsigned long *pc) - #define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t") - #define __RESTORE __asm__ __volatile__("restore %g0, %g0, %g0\n\t") - -+extern void gr_handle_kernel_exploit(void); -+ - void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - { - static int die_counter; -@@ -76,15 +78,17 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - count++ < 30 && - (((unsigned long) rw) >= PAGE_OFFSET) && - !(((unsigned long) rw) & 0x7)) { -- printk("Caller[%08lx]: %pS\n", rw->ins[7], -+ printk("Caller[%08lx]: %pA\n", rw->ins[7], - (void *) rw->ins[7]); - rw = (struct reg_window32 *)rw->ins[6]; - } - } - printk("Instruction DUMP:"); - instruction_dump ((unsigned long *) regs->pc); -- if(regs->psr & PSR_PS) -+ if(regs->psr & PSR_PS) { -+ gr_handle_kernel_exploit(); - do_exit(SIGKILL); -+ } - do_exit(SIGSEGV); - } - -diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c -index d21cd62..00a4a17 100644 ---- a/arch/sparc/kernel/traps_64.c -+++ b/arch/sparc/kernel/traps_64.c -@@ -79,7 +79,7 @@ static void dump_tl1_traplog(struct tl1_traplog *p) - i + 1, - p->trapstack[i].tstate, p->trapstack[i].tpc, - p->trapstack[i].tnpc, p->trapstack[i].tt); -- printk("TRAPLOG: TPC<%pS>\n", (void *) p->trapstack[i].tpc); -+ printk("TRAPLOG: TPC<%pA>\n", (void *) p->trapstack[i].tpc); - } - } - -@@ -99,6 +99,12 @@ void bad_trap(struct pt_regs *regs, long lvl) - - lvl -= 0x100; - if (regs->tstate & TSTATE_PRIV) { -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (lvl == 6) -+ pax_report_refcount_overflow(regs); -+#endif -+ - sprintf(buffer, "Kernel bad sw trap %lx", lvl); - die_if_kernel(buffer, regs); - } -@@ -117,11 +123,16 @@ void bad_trap(struct pt_regs *regs, long lvl) - void bad_trap_tl1(struct pt_regs *regs, long lvl) - { - char buffer[32]; -- -+ - if (notify_die(DIE_TRAP_TL1, "bad trap tl1", regs, - 0, lvl, SIGTRAP) == NOTIFY_STOP) - return; - -+#ifdef CONFIG_PAX_REFCOUNT -+ if (lvl == 6) -+ pax_report_refcount_overflow(regs); -+#endif -+ - dump_tl1_traplog((struct tl1_traplog *)(regs + 1)); - - sprintf (buffer, "Bad trap %lx at tl>0", lvl); -@@ -1151,7 +1162,7 @@ static void cheetah_log_errors(struct pt_regs *regs, struct cheetah_err_info *in - regs->tpc, regs->tnpc, regs->u_regs[UREG_I7], regs->tstate); - printk("%s" "ERROR(%d): ", - (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id()); -- printk("TPC<%pS>\n", (void *) regs->tpc); -+ printk("TPC<%pA>\n", (void *) regs->tpc); - printk("%s" "ERROR(%d): M_SYND(%lx), E_SYND(%lx)%s%s\n", - (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(), - (afsr & CHAFSR_M_SYNDROME) >> CHAFSR_M_SYNDROME_SHIFT, -@@ -1758,7 +1769,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs) - smp_processor_id(), - (type & 0x1) ? 'I' : 'D', - regs->tpc); -- printk(KERN_EMERG "TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "TPC<%pA>\n", (void *) regs->tpc); - panic("Irrecoverable Cheetah+ parity error."); - } - -@@ -1766,7 +1777,7 @@ void cheetah_plus_parity_error(int type, struct pt_regs *regs) - smp_processor_id(), - (type & 0x1) ? 'I' : 'D', - regs->tpc); -- printk(KERN_WARNING "TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_WARNING "TPC<%pA>\n", (void *) regs->tpc); - } - - struct sun4v_error_entry { -@@ -1839,8 +1850,8 @@ struct sun4v_error_entry { - /*0x38*/u64 reserved_5; - }; - --static atomic_t sun4v_resum_oflow_cnt = ATOMIC_INIT(0); --static atomic_t sun4v_nonresum_oflow_cnt = ATOMIC_INIT(0); -+static atomic_unchecked_t sun4v_resum_oflow_cnt = ATOMIC_INIT(0); -+static atomic_unchecked_t sun4v_nonresum_oflow_cnt = ATOMIC_INIT(0); - - static const char *sun4v_err_type_to_str(u8 type) - { -@@ -1932,7 +1943,7 @@ static void sun4v_report_real_raddr(const char *pfx, struct pt_regs *regs) - } - - static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, -- int cpu, const char *pfx, atomic_t *ocnt) -+ int cpu, const char *pfx, atomic_unchecked_t *ocnt) - { - u64 *raw_ptr = (u64 *) ent; - u32 attrs; -@@ -1990,8 +2001,8 @@ static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, - - show_regs(regs); - -- if ((cnt = atomic_read(ocnt)) != 0) { -- atomic_set(ocnt, 0); -+ if ((cnt = atomic_read_unchecked(ocnt)) != 0) { -+ atomic_set_unchecked(ocnt, 0); - wmb(); - printk("%s: Queue overflowed %d times.\n", - pfx, cnt); -@@ -2048,7 +2059,7 @@ out: - */ - void sun4v_resum_overflow(struct pt_regs *regs) - { -- atomic_inc(&sun4v_resum_oflow_cnt); -+ atomic_inc_unchecked(&sun4v_resum_oflow_cnt); - } - - /* We run with %pil set to PIL_NORMAL_MAX and PSTATE_IE enabled in %pstate. -@@ -2101,7 +2112,7 @@ void sun4v_nonresum_overflow(struct pt_regs *regs) - /* XXX Actually even this can make not that much sense. Perhaps - * XXX we should just pull the plug and panic directly from here? - */ -- atomic_inc(&sun4v_nonresum_oflow_cnt); -+ atomic_inc_unchecked(&sun4v_nonresum_oflow_cnt); - } - - static void sun4v_tlb_error(struct pt_regs *regs) -@@ -2120,9 +2131,9 @@ void sun4v_itlb_error_report(struct pt_regs *regs, int tl) - - printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n", - regs->tpc, tl); -- printk(KERN_EMERG "SUN4V-ITLB: TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "SUN4V-ITLB: TPC<%pA>\n", (void *) regs->tpc); - printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]); -- printk(KERN_EMERG "SUN4V-ITLB: O7<%pS>\n", -+ printk(KERN_EMERG "SUN4V-ITLB: O7<%pA>\n", - (void *) regs->u_regs[UREG_I7]); - printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] " - "pte[%lx] error[%lx]\n", -@@ -2143,9 +2154,9 @@ void sun4v_dtlb_error_report(struct pt_regs *regs, int tl) - - printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n", - regs->tpc, tl); -- printk(KERN_EMERG "SUN4V-DTLB: TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "SUN4V-DTLB: TPC<%pA>\n", (void *) regs->tpc); - printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]); -- printk(KERN_EMERG "SUN4V-DTLB: O7<%pS>\n", -+ printk(KERN_EMERG "SUN4V-DTLB: O7<%pA>\n", - (void *) regs->u_regs[UREG_I7]); - printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] " - "pte[%lx] error[%lx]\n", -@@ -2362,13 +2373,13 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp) - fp = (unsigned long)sf->fp + STACK_BIAS; - } - -- printk(" [%016lx] %pS\n", pc, (void *) pc); -+ printk(" [%016lx] %pA\n", pc, (void *) pc); - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - if ((pc + 8UL) == (unsigned long) &return_to_handler) { - int index = tsk->curr_ret_stack; - if (tsk->ret_stack && index >= graph) { - pc = tsk->ret_stack[index - graph].ret; -- printk(" [%016lx] %pS\n", pc, (void *) pc); -+ printk(" [%016lx] %pA\n", pc, (void *) pc); - graph++; - } - } -@@ -2386,6 +2397,8 @@ static inline struct reg_window *kernel_stack_up(struct reg_window *rw) - return (struct reg_window *) (fp + STACK_BIAS); - } - -+extern void gr_handle_kernel_exploit(void); -+ - void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - { - static int die_counter; -@@ -2414,7 +2427,7 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - while (rw && - count++ < 30 && - kstack_valid(tp, (unsigned long) rw)) { -- printk("Caller[%016lx]: %pS\n", rw->ins[7], -+ printk("Caller[%016lx]: %pA\n", rw->ins[7], - (void *) rw->ins[7]); - - rw = kernel_stack_up(rw); -@@ -2429,8 +2442,10 @@ void __noreturn die_if_kernel(char *str, struct pt_regs *regs) - } - if (panic_on_oops) - panic("Fatal exception"); -- if (regs->tstate & TSTATE_PRIV) -+ if (regs->tstate & TSTATE_PRIV) { -+ gr_handle_kernel_exploit(); - do_exit(SIGKILL); -+ } - do_exit(SIGSEGV); - } - EXPORT_SYMBOL(die_if_kernel); -diff --git a/arch/sparc/kernel/unaligned_64.c b/arch/sparc/kernel/unaligned_64.c -index 62098a8..547ab2c 100644 ---- a/arch/sparc/kernel/unaligned_64.c -+++ b/arch/sparc/kernel/unaligned_64.c -@@ -297,7 +297,7 @@ static void log_unaligned(struct pt_regs *regs) - static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5); - - if (__ratelimit(&ratelimit)) { -- printk("Kernel unaligned access at TPC[%lx] %pS\n", -+ printk("Kernel unaligned access at TPC[%lx] %pA\n", - regs->tpc, (void *) regs->tpc); - } - } -diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile -index 3269b02..64f5231 100644 ---- a/arch/sparc/lib/Makefile -+++ b/arch/sparc/lib/Makefile -@@ -2,7 +2,7 @@ - # - - asflags-y := -ansi -DST_DIV0=0x02 --ccflags-y := -Werror -+#ccflags-y := -Werror - - lib-$(CONFIG_SPARC32) += ashrdi3.o - lib-$(CONFIG_SPARC32) += memcpy.o memset.o -diff --git a/arch/sparc/lib/atomic_64.S b/arch/sparc/lib/atomic_64.S -index 05dac43..76f8ed4 100644 ---- a/arch/sparc/lib/atomic_64.S -+++ b/arch/sparc/lib/atomic_64.S -@@ -15,11 +15,22 @@ - * a value and does the barriers. - */ - --#define ATOMIC_OP(op) \ --ENTRY(atomic_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __REFCOUNT_OP(op) op##cc -+#define __OVERFLOW_IOP tvs %icc, 6; -+#define __OVERFLOW_XOP tvs %xcc, 6; -+#else -+#define __REFCOUNT_OP(op) op -+#define __OVERFLOW_IOP -+#define __OVERFLOW_XOP -+#endif -+ -+#define __ATOMIC_OP(op, suffix, asm_op, post_op) \ -+ENTRY(atomic_##op##suffix) /* %o0 = increment, %o1 = atomic_ptr */ \ - BACKOFF_SETUP(%o2); \ - 1: lduw [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - cas [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %icc, BACKOFF_LABEL(2f, 1b); \ -@@ -29,11 +40,15 @@ ENTRY(atomic_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ - ENDPROC(atomic_##op); \ - --#define ATOMIC_OP_RETURN(op) \ --ENTRY(atomic_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#define ATOMIC_OP(op) __ATOMIC_OP(op, , op, ) \ -+ __ATOMIC_OP(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_IOP) -+ -+#define __ATOMIC_OP_RETURN(op, suffix, asm_op, post_op) \ -+ENTRY(atomic_##op##_return##suffix) /* %o0 = increment, %o1 = atomic_ptr */\ - BACKOFF_SETUP(%o2); \ - 1: lduw [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - cas [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %icc, BACKOFF_LABEL(2f, 1b); \ -@@ -43,6 +58,9 @@ ENTRY(atomic_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ - ENDPROC(atomic_##op##_return); - -+#define ATOMIC_OP_RETURN(op) __ATOMIC_OP_RETURN(op, , op, ) \ -+ __ATOMIC_OP_RETURN(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_IOP) -+ - #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) - - ATOMIC_OPS(add) -@@ -50,13 +68,16 @@ ATOMIC_OPS(sub) - - #undef ATOMIC_OPS - #undef ATOMIC_OP_RETURN -+#undef __ATOMIC_OP_RETURN - #undef ATOMIC_OP -+#undef __ATOMIC_OP - --#define ATOMIC64_OP(op) \ --ENTRY(atomic64_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#define __ATOMIC64_OP(op, suffix, asm_op, post_op) \ -+ENTRY(atomic64_##op##suffix) /* %o0 = increment, %o1 = atomic_ptr */ \ - BACKOFF_SETUP(%o2); \ - 1: ldx [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - casx [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %xcc, BACKOFF_LABEL(2f, 1b); \ -@@ -66,11 +87,15 @@ ENTRY(atomic64_##op) /* %o0 = increment, %o1 = atomic_ptr */ \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ - ENDPROC(atomic64_##op); \ - --#define ATOMIC64_OP_RETURN(op) \ --ENTRY(atomic64_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ -+#define ATOMIC64_OP(op) __ATOMIC64_OP(op, , op, ) \ -+ __ATOMIC64_OP(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_XOP) -+ -+#define __ATOMIC64_OP_RETURN(op, suffix, asm_op, post_op) \ -+ENTRY(atomic64_##op##_return##suffix) /* %o0 = increment, %o1 = atomic_ptr */\ - BACKOFF_SETUP(%o2); \ - 1: ldx [%o1], %g1; \ -- op %g1, %o0, %g7; \ -+ asm_op %g1, %o0, %g7; \ -+ post_op \ - casx [%o1], %g1, %g7; \ - cmp %g1, %g7; \ - bne,pn %xcc, BACKOFF_LABEL(2f, 1b); \ -@@ -80,6 +105,9 @@ ENTRY(atomic64_##op##_return) /* %o0 = increment, %o1 = atomic_ptr */ \ - 2: BACKOFF_SPIN(%o2, %o3, 1b); \ - ENDPROC(atomic64_##op##_return); - -+#define ATOMIC64_OP_RETURN(op) __ATOMIC64_OP_RETURN(op, , op, ) \ -+i __ATOMIC64_OP_RETURN(op, _unchecked, __REFCOUNT_OP(op), __OVERFLOW_XOP) -+ - #define ATOMIC64_OPS(op) ATOMIC64_OP(op) ATOMIC64_OP_RETURN(op) - - ATOMIC64_OPS(add) -@@ -87,7 +115,12 @@ ATOMIC64_OPS(sub) - - #undef ATOMIC64_OPS - #undef ATOMIC64_OP_RETURN -+#undef __ATOMIC64_OP_RETURN - #undef ATOMIC64_OP -+#undef __ATOMIC64_OP -+#undef __OVERFLOW_XOP -+#undef __OVERFLOW_IOP -+#undef __REFCOUNT_OP - - ENTRY(atomic64_dec_if_positive) /* %o0 = atomic_ptr */ - BACKOFF_SETUP(%o2) -diff --git a/arch/sparc/lib/ksyms.c b/arch/sparc/lib/ksyms.c -index 8069ce1..c2e23c4 100644 ---- a/arch/sparc/lib/ksyms.c -+++ b/arch/sparc/lib/ksyms.c -@@ -101,7 +101,9 @@ EXPORT_SYMBOL(__clear_user); - /* Atomic counter implementation. */ - #define ATOMIC_OP(op) \ - EXPORT_SYMBOL(atomic_##op); \ --EXPORT_SYMBOL(atomic64_##op); -+EXPORT_SYMBOL(atomic_##op##_unchecked); \ -+EXPORT_SYMBOL(atomic64_##op); \ -+EXPORT_SYMBOL(atomic64_##op##_unchecked); - - #define ATOMIC_OP_RETURN(op) \ - EXPORT_SYMBOL(atomic_##op##_return); \ -@@ -110,6 +112,8 @@ EXPORT_SYMBOL(atomic64_##op##_return); - #define ATOMIC_OPS(op) ATOMIC_OP(op) ATOMIC_OP_RETURN(op) - - ATOMIC_OPS(add) -+EXPORT_SYMBOL(atomic_add_ret_unchecked); -+EXPORT_SYMBOL(atomic64_add_ret_unchecked); - ATOMIC_OPS(sub) - - #undef ATOMIC_OPS -diff --git a/arch/sparc/mm/Makefile b/arch/sparc/mm/Makefile -index 30c3ecc..736f015 100644 ---- a/arch/sparc/mm/Makefile -+++ b/arch/sparc/mm/Makefile -@@ -2,7 +2,7 @@ - # - - asflags-y := -ansi --ccflags-y := -Werror -+#ccflags-y := -Werror - - obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o gup.o - obj-y += fault_$(BITS).o -diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c -index 70d8171..274c6c0 100644 ---- a/arch/sparc/mm/fault_32.c -+++ b/arch/sparc/mm/fault_32.c -@@ -21,6 +21,9 @@ - #include <linux/perf_event.h> - #include <linux/interrupt.h> - #include <linux/kdebug.h> -+#include <linux/slab.h> -+#include <linux/pagemap.h> -+#include <linux/compiler.h> - - #include <asm/page.h> - #include <asm/pgtable.h> -@@ -156,6 +159,277 @@ static unsigned long compute_si_addr(struct pt_regs *regs, int text_fault) - return safe_compute_effective_address(regs, insn); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+#ifdef CONFIG_PAX_DLRESOLVE -+static void pax_emuplt_close(struct vm_area_struct *vma) -+{ -+ vma->vm_mm->call_dl_resolve = 0UL; -+} -+ -+static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -+{ -+ unsigned int *kaddr; -+ -+ vmf->page = alloc_page(GFP_HIGHUSER); -+ if (!vmf->page) -+ return VM_FAULT_OOM; -+ -+ kaddr = kmap(vmf->page); -+ memset(kaddr, 0, PAGE_SIZE); -+ kaddr[0] = 0x9DE3BFA8U; /* save */ -+ flush_dcache_page(vmf->page); -+ kunmap(vmf->page); -+ return VM_FAULT_MAJOR; -+} -+ -+static const struct vm_operations_struct pax_vm_ops = { -+ .close = pax_emuplt_close, -+ .fault = pax_emuplt_fault -+}; -+ -+static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr) -+{ -+ int ret; -+ -+ INIT_LIST_HEAD(&vma->anon_vma_chain); -+ vma->vm_mm = current->mm; -+ vma->vm_start = addr; -+ vma->vm_end = addr + PAGE_SIZE; -+ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC; -+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); -+ vma->vm_ops = &pax_vm_ops; -+ -+ ret = insert_vm_struct(current->mm, vma); -+ if (ret) -+ return ret; -+ -+ ++current->mm->total_vm; -+ return 0; -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->pc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int sethi1, sethi2, jmpl; -+ -+ err = get_user(sethi1, (unsigned int *)regs->pc); -+ err |= get_user(sethi2, (unsigned int *)(regs->pc+4)); -+ err |= get_user(jmpl, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x03000000U && -+ (jmpl & 0xFFFFE000U) == 0x81C06000U) -+ { -+ unsigned int addr; -+ -+ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10; -+ addr = regs->u_regs[UREG_G1]; -+ addr += (((jmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #2 */ -+ unsigned int ba; -+ -+ err = get_user(ba, (unsigned int *)regs->pc); -+ -+ if (err) -+ break; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) { -+ unsigned int addr; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->pc + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2); -+ else -+ addr = regs->pc + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #3 */ -+ unsigned int sethi, bajmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->pc); -+ err |= get_user(bajmpl, (unsigned int *)(regs->pc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) && -+ nop == 0x01000000U) -+ { -+ unsigned int addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ if ((bajmpl & 0xFFFFE000U) == 0x81C06000U) -+ addr += (((bajmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ else -+ addr = regs->pc + ((((bajmpl | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 1 */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->pc); -+ err |= get_user(ba, (unsigned int *)(regs->pc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) && -+ nop == 0x01000000U) -+ { -+ unsigned int addr, save, call; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->pc + 4 + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2); -+ else -+ addr = regs->pc + 4 + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2); -+ -+ err = get_user(save, (unsigned int *)addr); -+ err |= get_user(call, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ if (err) -+ break; -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ struct vm_area_struct *vma; -+ unsigned long call_dl_resolve; -+ -+ down_read(&current->mm->mmap_sem); -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_read(&current->mm->mmap_sem); -+ if (likely(call_dl_resolve)) -+ goto emulate; -+ -+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ -+ down_write(&current->mm->mmap_sem); -+ if (current->mm->call_dl_resolve) { -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_write(&current->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ goto emulate; -+ } -+ -+ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE); -+ if (!vma || (call_dl_resolve & ~PAGE_MASK)) { -+ up_write(&current->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ if (pax_insert_vma(vma, call_dl_resolve)) { -+ up_write(&current->mm->mmap_sem); -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ current->mm->call_dl_resolve = call_dl_resolve; -+ up_write(&current->mm->mmap_sem); -+ -+emulate: -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->pc = call_dl_resolve; -+ regs->npc = addr+4; -+ return 3; -+ } -+#endif -+ -+ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */ -+ if ((save & 0xFFC00000U) == 0x05000000U && -+ (call & 0xFFFFE000U) == 0x85C0A000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G2] = addr + 4; -+ addr = (save & 0x003FFFFFU) << 10; -+ addr += (((call | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 3; -+ } -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 2 */ -+ unsigned int save, call, nop; -+ -+ err = get_user(save, (unsigned int *)(regs->pc-4)); -+ err |= get_user(call, (unsigned int *)regs->pc); -+ err |= get_user(nop, (unsigned int *)(regs->pc+4)); -+ if (err) -+ break; -+ -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ unsigned int dl_resolve = regs->pc + ((((call | 0xC0000000U) ^ 0x20000000U) + 0x20000000U) << 2); -+ -+ regs->u_regs[UREG_RETPC] = regs->pc; -+ regs->pc = dl_resolve; -+ regs->npc = dl_resolve+4; -+ return 3; -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - static noinline void do_fault_siginfo(int code, int sig, struct pt_regs *regs, - int text_fault) - { -@@ -226,6 +500,24 @@ good_area: - if (!(vma->vm_flags & VM_WRITE)) - goto bad_area; - } else { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && text_fault && !(vma->vm_flags & VM_EXEC)) { -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->pc, (void *)regs->u_regs[UREG_FP]); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - /* Allow reads even for write-only mappings */ - if (!(vma->vm_flags & (VM_READ | VM_EXEC))) - goto bad_area; -diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c -index 4798232..f76e3aa 100644 ---- a/arch/sparc/mm/fault_64.c -+++ b/arch/sparc/mm/fault_64.c -@@ -22,6 +22,9 @@ - #include <linux/kdebug.h> - #include <linux/percpu.h> - #include <linux/context_tracking.h> -+#include <linux/slab.h> -+#include <linux/pagemap.h> -+#include <linux/compiler.h> - - #include <asm/page.h> - #include <asm/pgtable.h> -@@ -76,7 +79,7 @@ static void __kprobes bad_kernel_pc(struct pt_regs *regs, unsigned long vaddr) - printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n", - regs->tpc); - printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]); -- printk("OOPS: RPC <%pS>\n", (void *) regs->u_regs[15]); -+ printk("OOPS: RPC <%pA>\n", (void *) regs->u_regs[15]); - printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr); - dump_stack(); - unhandled_fault(regs->tpc, current, regs); -@@ -279,6 +282,466 @@ static void noinline __kprobes bogus_32bit_fault_tpc(struct pt_regs *regs) - show_regs(regs); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+#ifdef CONFIG_PAX_DLRESOLVE -+static void pax_emuplt_close(struct vm_area_struct *vma) -+{ -+ vma->vm_mm->call_dl_resolve = 0UL; -+} -+ -+static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -+{ -+ unsigned int *kaddr; -+ -+ vmf->page = alloc_page(GFP_HIGHUSER); -+ if (!vmf->page) -+ return VM_FAULT_OOM; -+ -+ kaddr = kmap(vmf->page); -+ memset(kaddr, 0, PAGE_SIZE); -+ kaddr[0] = 0x9DE3BFA8U; /* save */ -+ flush_dcache_page(vmf->page); -+ kunmap(vmf->page); -+ return VM_FAULT_MAJOR; -+} -+ -+static const struct vm_operations_struct pax_vm_ops = { -+ .close = pax_emuplt_close, -+ .fault = pax_emuplt_fault -+}; -+ -+static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr) -+{ -+ int ret; -+ -+ INIT_LIST_HEAD(&vma->anon_vma_chain); -+ vma->vm_mm = current->mm; -+ vma->vm_start = addr; -+ vma->vm_end = addr + PAGE_SIZE; -+ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC; -+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); -+ vma->vm_ops = &pax_vm_ops; -+ -+ ret = insert_vm_struct(current->mm, vma); -+ if (ret) -+ return ret; -+ -+ ++current->mm->total_vm; -+ return 0; -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->tpc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int sethi1, sethi2, jmpl; -+ -+ err = get_user(sethi1, (unsigned int *)regs->tpc); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x03000000U && -+ (jmpl & 0xFFFFE000U) == 0x81C06000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10; -+ addr = regs->u_regs[UREG_G1]; -+ addr += (((jmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #2 */ -+ unsigned int ba; -+ -+ err = get_user(ba, (unsigned int *)regs->tpc); -+ -+ if (err) -+ break; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30480000U) { -+ unsigned long addr; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2); -+ else -+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #3 */ -+ unsigned int sethi, bajmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(bajmpl, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((bajmpl & 0xFFFFE000U) == 0x81C06000U || (bajmpl & 0xFFF80000U) == 0x30480000U) && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ if ((bajmpl & 0xFFFFE000U) == 0x81C06000U) -+ addr += (((bajmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ else -+ addr = regs->tpc + ((((bajmpl | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #4 */ -+ unsigned int sethi, mov1, call, mov2; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(mov1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(call, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(mov2, (unsigned int *)(regs->tpc+12)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ mov1 == 0x8210000FU && -+ (call & 0xC0000000U) == 0x40000000U && -+ mov2 == 0x9E100001U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = regs->u_regs[UREG_RETPC]; -+ addr = regs->tpc + 4 + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #5 */ -+ unsigned int sethi, sethi1, sethi2, or1, or2, sllx, jmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(or1, (unsigned int *)(regs->tpc+12)); -+ err |= get_user(or2, (unsigned int *)(regs->tpc+16)); -+ err |= get_user(sllx, (unsigned int *)(regs->tpc+20)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+24)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+28)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ (or1 & 0xFFFFE000U) == 0x82106000U && -+ (or2 & 0xFFFFE000U) == 0x8A116000U && -+ sllx == 0x83287020U && -+ jmpl == 0x81C04005U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU); -+ regs->u_regs[UREG_G1] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU); -+ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #6 */ -+ unsigned int sethi, sethi1, sethi2, sllx, or, jmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(sllx, (unsigned int *)(regs->tpc+12)); -+ err |= get_user(or, (unsigned int *)(regs->tpc+16)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+20)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+24)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ sllx == 0x83287020U && -+ (or & 0xFFFFE000U) == 0x8A116000U && -+ jmpl == 0x81C04005U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = (sethi1 & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or & 0x3FFU); -+ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 1 */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(ba, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ unsigned int save, call; -+ unsigned int sethi1, sethi2, or1, or2, sllx, add, jmpl; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2); -+ else -+ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ err = get_user(save, (unsigned int *)addr); -+ err |= get_user(call, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ if (err) -+ break; -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ struct vm_area_struct *vma; -+ unsigned long call_dl_resolve; -+ -+ down_read(&current->mm->mmap_sem); -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_read(&current->mm->mmap_sem); -+ if (likely(call_dl_resolve)) -+ goto emulate; -+ -+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ -+ down_write(&current->mm->mmap_sem); -+ if (current->mm->call_dl_resolve) { -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_write(&current->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ goto emulate; -+ } -+ -+ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE); -+ if (!vma || (call_dl_resolve & ~PAGE_MASK)) { -+ up_write(&current->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ if (pax_insert_vma(vma, call_dl_resolve)) { -+ up_write(&current->mm->mmap_sem); -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ current->mm->call_dl_resolve = call_dl_resolve; -+ up_write(&current->mm->mmap_sem); -+ -+emulate: -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->tpc = call_dl_resolve; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+#endif -+ -+ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */ -+ if ((save & 0xFFC00000U) == 0x05000000U && -+ (call & 0xFFFFE000U) == 0x85C0A000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G2] = addr + 4; -+ addr = (save & 0x003FFFFFU) << 10; -+ addr += (((call | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+ -+ /* PaX: 64-bit PLT stub */ -+ err = get_user(sethi1, (unsigned int *)addr); -+ err |= get_user(sethi2, (unsigned int *)(addr+4)); -+ err |= get_user(or1, (unsigned int *)(addr+8)); -+ err |= get_user(or2, (unsigned int *)(addr+12)); -+ err |= get_user(sllx, (unsigned int *)(addr+16)); -+ err |= get_user(add, (unsigned int *)(addr+20)); -+ err |= get_user(jmpl, (unsigned int *)(addr+24)); -+ err |= get_user(nop, (unsigned int *)(addr+28)); -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x09000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ (or1 & 0xFFFFE000U) == 0x88112000U && -+ (or2 & 0xFFFFE000U) == 0x8A116000U && -+ sllx == 0x89293020U && -+ add == 0x8A010005U && -+ jmpl == 0x89C14000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G4] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU); -+ regs->u_regs[UREG_G4] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU); -+ regs->u_regs[UREG_G5] += regs->u_regs[UREG_G4]; -+ regs->u_regs[UREG_G4] = addr + 24; -+ addr = regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+ } -+ } while (0); -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ do { /* PaX: unpatched PLT emulation step 2 */ -+ unsigned int save, call, nop; -+ -+ err = get_user(save, (unsigned int *)(regs->tpc-4)); -+ err |= get_user(call, (unsigned int *)regs->tpc); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+4)); -+ if (err) -+ break; -+ -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ unsigned long dl_resolve = regs->tpc + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ dl_resolve &= 0xFFFFFFFFUL; -+ -+ regs->u_regs[UREG_RETPC] = regs->tpc; -+ regs->tpc = dl_resolve; -+ regs->tnpc = dl_resolve+4; -+ return 3; -+ } -+ } while (0); -+#endif -+ -+ do { /* PaX: patched PLT emulation #7, must be AFTER the unpatched PLT emulation */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(ba, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (ba & 0xFFF00000U) == 0x30600000U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) - { - enum ctx_state prev_state = exception_enter(); -@@ -353,6 +816,29 @@ retry: - if (!vma) - goto bad_area; - -+#ifdef CONFIG_PAX_PAGEEXEC -+ /* PaX: detect ITLB misses on non-exec pages */ -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && vma->vm_start <= address && -+ !(vma->vm_flags & VM_EXEC) && (fault_code & FAULT_CODE_ITLB)) -+ { -+ if (address != regs->tpc) -+ goto good_area; -+ -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->tpc, (void *)(regs->u_regs[UREG_FP] + STACK_BIAS)); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - /* Pure DTLB misses do not tell us whether the fault causing - * load/store/atomic was a write or not, it only says that there - * was no match. So in such a case we (carefully) read the -diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c -index 4242eab..9ae6360 100644 ---- a/arch/sparc/mm/hugetlbpage.c -+++ b/arch/sparc/mm/hugetlbpage.c -@@ -25,8 +25,10 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *filp, - unsigned long addr, - unsigned long len, - unsigned long pgoff, -- unsigned long flags) -+ unsigned long flags, -+ unsigned long offset) - { -+ struct mm_struct *mm = current->mm; - unsigned long task_size = TASK_SIZE; - struct vm_unmapped_area_info info; - -@@ -35,15 +37,22 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *filp, - - info.flags = 0; - info.length = len; -- info.low_limit = TASK_UNMAPPED_BASE; -+ info.low_limit = mm->mmap_base; - info.high_limit = min(task_size, VA_EXCLUDE_START); - info.align_mask = PAGE_MASK & ~HPAGE_MASK; - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) { - VM_BUG_ON(addr != -ENOMEM); - info.low_limit = VA_EXCLUDE_END; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = task_size; - addr = vm_unmapped_area(&info); - } -@@ -55,7 +64,8 @@ static unsigned long - hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - const unsigned long len, - const unsigned long pgoff, -- const unsigned long flags) -+ const unsigned long flags, -+ const unsigned long offset) - { - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; -@@ -70,6 +80,7 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.high_limit = mm->mmap_base; - info.align_mask = PAGE_MASK & ~HPAGE_MASK; - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -82,6 +93,12 @@ hugetlb_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = STACK_TOP32; - addr = vm_unmapped_area(&info); - } -@@ -96,6 +113,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - unsigned long task_size = TASK_SIZE; -+ unsigned long offset = gr_rand_threadstack_offset(mm, file, flags); - - if (test_thread_flag(TIF_32BIT)) - task_size = STACK_TOP32; -@@ -111,19 +129,22 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - return addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = ALIGN(addr, HPAGE_SIZE); - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - if (mm->get_unmapped_area == arch_get_unmapped_area) - return hugetlb_get_unmapped_area_bottomup(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - else - return hugetlb_get_unmapped_area_topdown(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - } - - pte_t *huge_pte_alloc(struct mm_struct *mm, -diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c -index 559cb74..9e5f097 100644 ---- a/arch/sparc/mm/init_64.c -+++ b/arch/sparc/mm/init_64.c -@@ -187,9 +187,9 @@ unsigned long sparc64_kern_sec_context __read_mostly; - int num_kernel_image_mappings; - - #ifdef CONFIG_DEBUG_DCFLUSH --atomic_t dcpage_flushes = ATOMIC_INIT(0); -+atomic_unchecked_t dcpage_flushes = ATOMIC_INIT(0); - #ifdef CONFIG_SMP --atomic_t dcpage_flushes_xcall = ATOMIC_INIT(0); -+atomic_unchecked_t dcpage_flushes_xcall = ATOMIC_INIT(0); - #endif - #endif - -@@ -197,7 +197,7 @@ inline void flush_dcache_page_impl(struct page *page) - { - BUG_ON(tlb_type == hypervisor); - #ifdef CONFIG_DEBUG_DCFLUSH -- atomic_inc(&dcpage_flushes); -+ atomic_inc_unchecked(&dcpage_flushes); - #endif - - #ifdef DCACHE_ALIASING_POSSIBLE -@@ -469,10 +469,10 @@ void mmu_info(struct seq_file *m) - - #ifdef CONFIG_DEBUG_DCFLUSH - seq_printf(m, "DCPageFlushes\t: %d\n", -- atomic_read(&dcpage_flushes)); -+ atomic_read_unchecked(&dcpage_flushes)); - #ifdef CONFIG_SMP - seq_printf(m, "DCPageFlushesXC\t: %d\n", -- atomic_read(&dcpage_flushes_xcall)); -+ atomic_read_unchecked(&dcpage_flushes_xcall)); - #endif /* CONFIG_SMP */ - #endif /* CONFIG_DEBUG_DCFLUSH */ - } -diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig -index a07e31b..85c9003 100644 ---- a/arch/tile/Kconfig -+++ b/arch/tile/Kconfig -@@ -198,6 +198,7 @@ source "kernel/Kconfig.hz" - - config KEXEC - bool "kexec system call" -+ depends on !GRKERNSEC_KMEM - ---help--- - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -diff --git a/arch/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h -index 7b11c5f..755a026 100644 ---- a/arch/tile/include/asm/atomic_64.h -+++ b/arch/tile/include/asm/atomic_64.h -@@ -105,6 +105,16 @@ static inline long atomic64_add_unless(atomic64_t *v, long a, long u) - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - /* Define this to indicate that cmpxchg is an efficient operation. */ - #define __HAVE_ARCH_CMPXCHG - -diff --git a/arch/tile/include/asm/cache.h b/arch/tile/include/asm/cache.h -index 6160761..00cac88 100644 ---- a/arch/tile/include/asm/cache.h -+++ b/arch/tile/include/asm/cache.h -@@ -15,11 +15,12 @@ - #ifndef _ASM_TILE_CACHE_H - #define _ASM_TILE_CACHE_H - -+#include <linux/const.h> - #include <arch/chip.h> - - /* bytes per L1 data cache line */ - #define L1_CACHE_SHIFT CHIP_L1D_LOG_LINE_SIZE() --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* bytes per L2 cache line */ - #define L2_CACHE_SHIFT CHIP_L2_LOG_LINE_SIZE() -diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h -index f41cb53..31d3ab4 100644 ---- a/arch/tile/include/asm/uaccess.h -+++ b/arch/tile/include/asm/uaccess.h -@@ -417,9 +417,9 @@ static inline unsigned long __must_check copy_from_user(void *to, - const void __user *from, - unsigned long n) - { -- int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - -- if (likely(sz == -1 || sz >= n)) -+ if (likely(sz == (size_t)-1 || sz >= n)) - n = _copy_from_user(to, from, n); - else - copy_from_user_overflow(); -diff --git a/arch/tile/mm/hugetlbpage.c b/arch/tile/mm/hugetlbpage.c -index 8416240..a012fb7 100644 ---- a/arch/tile/mm/hugetlbpage.c -+++ b/arch/tile/mm/hugetlbpage.c -@@ -179,6 +179,7 @@ static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file, - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = 0; - return vm_unmapped_area(&info); - } - -@@ -196,6 +197,7 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - info.high_limit = current->mm->mmap_base; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = 0; - addr = vm_unmapped_area(&info); - - /* -diff --git a/arch/um/Makefile b/arch/um/Makefile -index 17d4460..9d74338e3de4 100644 ---- a/arch/um/Makefile -+++ b/arch/um/Makefile -@@ -72,6 +72,10 @@ USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\ - $(patsubst -I%,,$(KBUILD_CFLAGS)))) $(ARCH_INCLUDE) $(MODE_INCLUDE) \ - $(filter -I%,$(CFLAGS)) -D_FILE_OFFSET_BITS=64 -idirafter include - -+ifdef CONSTIFY_PLUGIN -+USER_CFLAGS += -fplugin-arg-constify_plugin-no-constify -+endif -+ - #This will adjust *FLAGS accordingly to the platform. - include $(ARCH_DIR)/Makefile-os-$(OS) - -diff --git a/arch/um/include/asm/cache.h b/arch/um/include/asm/cache.h -index 19e1bdd..3665b77 100644 ---- a/arch/um/include/asm/cache.h -+++ b/arch/um/include/asm/cache.h -@@ -1,6 +1,7 @@ - #ifndef __UM_CACHE_H - #define __UM_CACHE_H - -+#include <linux/const.h> - - #if defined(CONFIG_UML_X86) && !defined(CONFIG_64BIT) - # define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) -@@ -12,6 +13,6 @@ - # define L1_CACHE_SHIFT 5 - #endif - --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #endif -diff --git a/arch/um/include/asm/kmap_types.h b/arch/um/include/asm/kmap_types.h -index 2e0a6b1..a64d0f5 100644 ---- a/arch/um/include/asm/kmap_types.h -+++ b/arch/um/include/asm/kmap_types.h -@@ -8,6 +8,6 @@ - - /* No more #include "asm/arch/kmap_types.h" ! */ - --#define KM_TYPE_NR 14 -+#define KM_TYPE_NR 15 - - #endif -diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h -index 71c5d13..4c7b9f1 100644 ---- a/arch/um/include/asm/page.h -+++ b/arch/um/include/asm/page.h -@@ -14,6 +14,9 @@ - #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) - #define PAGE_MASK (~(PAGE_SIZE-1)) - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #ifndef __ASSEMBLY__ - - struct page; -diff --git a/arch/um/include/asm/pgtable-3level.h b/arch/um/include/asm/pgtable-3level.h -index 2b4274e..754fe06 100644 ---- a/arch/um/include/asm/pgtable-3level.h -+++ b/arch/um/include/asm/pgtable-3level.h -@@ -58,6 +58,7 @@ - #define pud_present(x) (pud_val(x) & _PAGE_PRESENT) - #define pud_populate(mm, pud, pmd) \ - set_pud(pud, __pud(_PAGE_TABLE + __pa(pmd))) -+#define pud_populate_kernel(mm, pud, pmd) pud_populate((mm), (pud), (pmd)) - - #ifdef CONFIG_64BIT - #define set_pud(pudptr, pudval) set_64bit((u64 *) (pudptr), pud_val(pudval)) -diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c -index 68b9119..f72353c 100644 ---- a/arch/um/kernel/process.c -+++ b/arch/um/kernel/process.c -@@ -345,22 +345,6 @@ int singlestepping(void * t) - return 2; - } - --/* -- * Only x86 and x86_64 have an arch_align_stack(). -- * All other arches have "#define arch_align_stack(x) (x)" -- * in their asm/exec.h -- * As this is included in UML from asm-um/system-generic.h, -- * we can use it to behave as the subarch does. -- */ --#ifndef arch_align_stack --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() % 8192; -- return sp & ~0xf; --} --#endif -- - unsigned long get_wchan(struct task_struct *p) - { - unsigned long stack_page, sp, ip; -diff --git a/arch/unicore32/include/asm/cache.h b/arch/unicore32/include/asm/cache.h -index ad8f795..2c7eec6 100644 ---- a/arch/unicore32/include/asm/cache.h -+++ b/arch/unicore32/include/asm/cache.h -@@ -12,8 +12,10 @@ - #ifndef __UNICORE_CACHE_H__ - #define __UNICORE_CACHE_H__ - --#define L1_CACHE_SHIFT (5) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#include <linux/const.h> -+ -+#define L1_CACHE_SHIFT 5 -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - /* - * Memory returned by kmalloc() may be used for DMA, so we must make -diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig -index 226d569..297bf74 100644 ---- a/arch/x86/Kconfig -+++ b/arch/x86/Kconfig -@@ -32,7 +32,7 @@ config X86 - select HAVE_AOUT if X86_32 - select HAVE_UNSTABLE_SCHED_CLOCK - select ARCH_SUPPORTS_NUMA_BALANCING if X86_64 -- select ARCH_SUPPORTS_INT128 if X86_64 -+ select ARCH_SUPPORTS_INT128 if X86_64 && !PAX_SIZE_OVERFLOW - select HAVE_IDE - select HAVE_OPROFILE - select HAVE_PCSPKR_PLATFORM -@@ -134,7 +134,7 @@ config X86 - select RTC_LIB - select HAVE_DEBUG_STACKOVERFLOW - select HAVE_IRQ_EXIT_ON_IRQ_STACK if X86_64 -- select HAVE_CC_STACKPROTECTOR -+ select HAVE_CC_STACKPROTECTOR if X86_64 || !PAX_MEMORY_UDEREF - select GENERIC_CPU_AUTOPROBE - select HAVE_ARCH_AUDITSYSCALL - select ARCH_SUPPORTS_ATOMIC_RMW -@@ -266,7 +266,7 @@ config X86_HT - - config X86_32_LAZY_GS - def_bool y -- depends on X86_32 && !CC_STACKPROTECTOR -+ depends on X86_32 && !CC_STACKPROTECTOR && !PAX_MEMORY_UDEREF - - config ARCH_HWEIGHT_CFLAGS - string -@@ -638,6 +638,7 @@ config SCHED_OMIT_FRAME_POINTER - - menuconfig HYPERVISOR_GUEST - bool "Linux guest support" -+ depends on !GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_VIRT_GUEST || (GRKERNSEC_CONFIG_VIRT_HOST && GRKERNSEC_CONFIG_VIRT_XEN) - ---help--- - Say Y here to enable options for running Linux under various hyper- - visors. This option enables basic hypervisor detection and platform -@@ -1005,6 +1006,7 @@ config VM86 - - config X86_16BIT - bool "Enable support for 16-bit segments" if EXPERT -+ depends on !GRKERNSEC - default y - ---help--- - This option is required by programs like Wine to run 16-bit -@@ -1178,6 +1180,7 @@ choice - - config NOHIGHMEM - bool "off" -+ depends on !(PAX_PAGEEXEC && PAX_ENABLE_PAE) - ---help--- - Linux can use up to 64 Gigabytes of physical memory on x86 systems. - However, the address space of 32-bit x86 processors is only 4 -@@ -1214,6 +1217,7 @@ config NOHIGHMEM - - config HIGHMEM4G - bool "4GB" -+ depends on !(PAX_PAGEEXEC && PAX_ENABLE_PAE) - ---help--- - Select this if you have a 32-bit processor and between 1 and 4 - gigabytes of physical RAM. -@@ -1266,7 +1270,7 @@ config PAGE_OFFSET - hex - default 0xB0000000 if VMSPLIT_3G_OPT - default 0x80000000 if VMSPLIT_2G -- default 0x78000000 if VMSPLIT_2G_OPT -+ default 0x70000000 if VMSPLIT_2G_OPT - default 0x40000000 if VMSPLIT_1G - default 0xC0000000 - depends on X86_32 -@@ -1286,7 +1290,6 @@ config X86_PAE - - config ARCH_PHYS_ADDR_T_64BIT - def_bool y -- depends on X86_64 || X86_PAE - - config ARCH_DMA_ADDR_T_64BIT - def_bool y -@@ -1717,6 +1720,7 @@ source kernel/Kconfig.hz - - config KEXEC - bool "kexec system call" -+ depends on !GRKERNSEC_KMEM - ---help--- - kexec is a system call that implements the ability to shutdown your - current kernel, and to start another kernel. It is like a reboot -@@ -1899,7 +1903,9 @@ config X86_NEED_RELOCS - - config PHYSICAL_ALIGN - hex "Alignment value to which kernel should be aligned" -- default "0x200000" -+ default "0x1000000" -+ range 0x200000 0x1000000 if PAX_KERNEXEC && X86_PAE -+ range 0x400000 0x1000000 if PAX_KERNEXEC && !X86_PAE - range 0x2000 0x1000000 if X86_32 - range 0x200000 0x1000000 if X86_64 - ---help--- -@@ -1982,6 +1988,7 @@ config COMPAT_VDSO - def_bool n - prompt "Disable the 32-bit vDSO (needed for glibc 2.3.3)" - depends on X86_32 || IA32_EMULATION -+ depends on !PAX_PAGEEXEC && !PAX_SEGMEXEC && !PAX_KERNEXEC && !PAX_MEMORY_UDEREF - ---help--- - Certain buggy versions of glibc will crash if they are - presented with a 32-bit vDSO that is not mapped at the address -@@ -2046,6 +2053,22 @@ config CMDLINE_OVERRIDE - This is used to work around broken boot loaders. This should - be set to 'N' under normal conditions. - -+config DEFAULT_MODIFY_LDT_SYSCALL -+ bool "Allow userspace to modify the LDT by default" -+ default y -+ -+ ---help--- -+ Modifying the LDT (Local Descriptor Table) may be needed to run a -+ 16-bit or segmented code such as Dosemu or Wine. This is done via -+ a system call which is not needed to run portable applications, -+ and which can sometimes be abused to exploit some weaknesses of -+ the architecture, opening new vulnerabilities. -+ -+ For this reason this option allows one to enable or disable the -+ feature at runtime. It is recommended to say 'N' here to leave -+ the system protected, and to enable it at runtime only if needed -+ by setting the sys.kernel.modify_ldt sysctl. -+ - source "kernel/livepatch/Kconfig" - - endmenu -diff --git a/arch/x86/Kconfig.cpu b/arch/x86/Kconfig.cpu -index 6983314..54ad7e8 100644 ---- a/arch/x86/Kconfig.cpu -+++ b/arch/x86/Kconfig.cpu -@@ -319,7 +319,7 @@ config X86_PPRO_FENCE - - config X86_F00F_BUG - def_bool y -- depends on M586MMX || M586TSC || M586 || M486 -+ depends on (M586MMX || M586TSC || M586 || M486) && !PAX_KERNEXEC - - config X86_INVD_BUG - def_bool y -@@ -327,7 +327,7 @@ config X86_INVD_BUG - - config X86_ALIGNMENT_16 - def_bool y -- depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || MELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1 -+ depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK8 || MK7 || MK6 || MCORE2 || MPENTIUM4 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1 - - config X86_INTEL_USERCOPY - def_bool y -@@ -369,7 +369,7 @@ config X86_CMPXCHG64 - # generates cmov. - config X86_CMOV - def_bool y -- depends on (MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX) -+ depends on (MK8 || MK7 || MCORE2 || MPSC || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX) - - config X86_MINIMUM_CPU_FAMILY - int -diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug -index 72484a6..83a4411 100644 ---- a/arch/x86/Kconfig.debug -+++ b/arch/x86/Kconfig.debug -@@ -89,7 +89,7 @@ config EFI_PGT_DUMP - config DEBUG_RODATA - bool "Write protect kernel read-only data structures" - default y -- depends on DEBUG_KERNEL -+ depends on DEBUG_KERNEL && BROKEN - ---help--- - Mark the kernel read-only data as write-protected in the pagetables, - in order to catch accidental (and incorrect) writes to such const -@@ -107,7 +107,7 @@ config DEBUG_RODATA_TEST - - config DEBUG_SET_MODULE_RONX - bool "Set loadable kernel module data as NX and text as RO" -- depends on MODULES -+ depends on MODULES && BROKEN - ---help--- - This option helps catch unintended modifications to loadable - kernel module's text and read-only data. It also prevents execution -diff --git a/arch/x86/Makefile b/arch/x86/Makefile -index 2fda005..2c72d40 100644 ---- a/arch/x86/Makefile -+++ b/arch/x86/Makefile -@@ -65,9 +65,6 @@ ifeq ($(CONFIG_X86_32),y) - # CPU-specific tuning. Anything which can be shared with UML should go here. - include arch/x86/Makefile_32.cpu - KBUILD_CFLAGS += $(cflags-y) -- -- # temporary until string.h is fixed -- KBUILD_CFLAGS += -ffreestanding - else - BITS := 64 - UTS_MACHINE := x86_64 -@@ -107,6 +104,9 @@ else - KBUILD_CFLAGS += $(call cc-option,-maccumulate-outgoing-args) - endif - -+# temporary until string.h is fixed -+KBUILD_CFLAGS += -ffreestanding -+ - # Make sure compiler does not have buggy stack-protector support. - ifdef CONFIG_CC_STACKPROTECTOR - cc_has_sp := $(srctree)/scripts/gcc-x86_$(BITS)-has-stack-protector.sh -@@ -181,6 +181,7 @@ archheaders: - $(Q)$(MAKE) $(build)=arch/x86/syscalls all - - archprepare: -+ $(if $(LDFLAGS_BUILD_ID),,$(error $(OLD_LD))) - ifeq ($(CONFIG_KEXEC_FILE),y) - $(Q)$(MAKE) $(build)=arch/x86/purgatory arch/x86/purgatory/kexec-purgatory.c - endif -@@ -264,3 +265,9 @@ define archhelp - echo ' FDARGS="..." arguments for the booted kernel' - echo ' FDINITRD=file initrd for the booted kernel' - endef -+ -+define OLD_LD -+ -+*** ${VERSION}.${PATCHLEVEL} PaX kernels no longer build correctly with old versions of binutils. -+*** Please upgrade your binutils to 2.18 or newer -+endef -diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile -index 57bbf2f..b100fce 100644 ---- a/arch/x86/boot/Makefile -+++ b/arch/x86/boot/Makefile -@@ -58,6 +58,9 @@ clean-files += cpustr.h - # --------------------------------------------------------------------------- - - KBUILD_CFLAGS := $(USERINCLUDE) $(REALMODE_CFLAGS) -D_SETUP -+ifdef CONSTIFY_PLUGIN -+KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify -+endif - KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ - GCOV_PROFILE := n - -diff --git a/arch/x86/boot/bitops.h b/arch/x86/boot/bitops.h -index 878e4b9..20537ab 100644 ---- a/arch/x86/boot/bitops.h -+++ b/arch/x86/boot/bitops.h -@@ -26,7 +26,7 @@ static inline int variable_test_bit(int nr, const void *addr) - u8 v; - const u32 *p = (const u32 *)addr; - -- asm("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); -+ asm volatile("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); - return v; - } - -@@ -37,7 +37,7 @@ static inline int variable_test_bit(int nr, const void *addr) - - static inline void set_bit(int nr, void *addr) - { -- asm("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr)); -+ asm volatile("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr)); - } - - #endif /* BOOT_BITOPS_H */ -diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h -index bd49ec6..94c7f58 100644 ---- a/arch/x86/boot/boot.h -+++ b/arch/x86/boot/boot.h -@@ -84,7 +84,7 @@ static inline void io_delay(void) - static inline u16 ds(void) - { - u16 seg; -- asm("movw %%ds,%0" : "=rm" (seg)); -+ asm volatile("movw %%ds,%0" : "=rm" (seg)); - return seg; - } - -diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile -index 0a291cd..9686efc 100644 ---- a/arch/x86/boot/compressed/Makefile -+++ b/arch/x86/boot/compressed/Makefile -@@ -30,6 +30,9 @@ KBUILD_CFLAGS += $(cflags-y) - KBUILD_CFLAGS += -mno-mmx -mno-sse - KBUILD_CFLAGS += $(call cc-option,-ffreestanding) - KBUILD_CFLAGS += $(call cc-option,-fno-stack-protector) -+ifdef CONSTIFY_PLUGIN -+KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify -+endif - - KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ - GCOV_PROFILE := n -diff --git a/arch/x86/boot/compressed/efi_stub_32.S b/arch/x86/boot/compressed/efi_stub_32.S -index a53440e..c3dbf1e 100644 ---- a/arch/x86/boot/compressed/efi_stub_32.S -+++ b/arch/x86/boot/compressed/efi_stub_32.S -@@ -46,16 +46,13 @@ ENTRY(efi_call_phys) - * parameter 2, ..., param n. To make things easy, we save the return - * address of efi_call_phys in a global variable. - */ -- popl %ecx -- movl %ecx, saved_return_addr(%edx) -- /* get the function pointer into ECX*/ -- popl %ecx -- movl %ecx, efi_rt_function_ptr(%edx) -+ popl saved_return_addr(%edx) -+ popl efi_rt_function_ptr(%edx) - - /* - * 3. Call the physical function. - */ -- call *%ecx -+ call *efi_rt_function_ptr(%edx) - - /* - * 4. Balance the stack. And because EAX contain the return value, -@@ -67,15 +64,12 @@ ENTRY(efi_call_phys) - 1: popl %edx - subl $1b, %edx - -- movl efi_rt_function_ptr(%edx), %ecx -- pushl %ecx -+ pushl efi_rt_function_ptr(%edx) - - /* - * 10. Push the saved return address onto the stack and return. - */ -- movl saved_return_addr(%edx), %ecx -- pushl %ecx -- ret -+ jmpl *saved_return_addr(%edx) - ENDPROC(efi_call_phys) - .previous - -diff --git a/arch/x86/boot/compressed/efi_thunk_64.S b/arch/x86/boot/compressed/efi_thunk_64.S -index 630384a..278e788 100644 ---- a/arch/x86/boot/compressed/efi_thunk_64.S -+++ b/arch/x86/boot/compressed/efi_thunk_64.S -@@ -189,8 +189,8 @@ efi_gdt64: - .long 0 /* Filled out by user */ - .word 0 - .quad 0x0000000000000000 /* NULL descriptor */ -- .quad 0x00af9a000000ffff /* __KERNEL_CS */ -- .quad 0x00cf92000000ffff /* __KERNEL_DS */ -+ .quad 0x00af9b000000ffff /* __KERNEL_CS */ -+ .quad 0x00cf93000000ffff /* __KERNEL_DS */ - .quad 0x0080890000000000 /* TS descriptor */ - .quad 0x0000000000000000 /* TS continued */ - efi_gdt64_end: -diff --git a/arch/x86/boot/compressed/head_32.S b/arch/x86/boot/compressed/head_32.S -index 8ef964d..fcfb8aa 100644 ---- a/arch/x86/boot/compressed/head_32.S -+++ b/arch/x86/boot/compressed/head_32.S -@@ -141,10 +141,10 @@ preferred_addr: - addl %eax, %ebx - notl %eax - andl %eax, %ebx -- cmpl $LOAD_PHYSICAL_ADDR, %ebx -+ cmpl $____LOAD_PHYSICAL_ADDR, %ebx - jge 1f - #endif -- movl $LOAD_PHYSICAL_ADDR, %ebx -+ movl $____LOAD_PHYSICAL_ADDR, %ebx - 1: - - /* Target address to relocate to for decompression */ -diff --git a/arch/x86/boot/compressed/head_64.S b/arch/x86/boot/compressed/head_64.S -index b0c0d16..3b44ff8 100644 ---- a/arch/x86/boot/compressed/head_64.S -+++ b/arch/x86/boot/compressed/head_64.S -@@ -95,10 +95,10 @@ ENTRY(startup_32) - addl %eax, %ebx - notl %eax - andl %eax, %ebx -- cmpl $LOAD_PHYSICAL_ADDR, %ebx -+ cmpl $____LOAD_PHYSICAL_ADDR, %ebx - jge 1f - #endif -- movl $LOAD_PHYSICAL_ADDR, %ebx -+ movl $____LOAD_PHYSICAL_ADDR, %ebx - 1: - - /* Target address to relocate to for decompression */ -@@ -323,10 +323,10 @@ preferred_addr: - addq %rax, %rbp - notq %rax - andq %rax, %rbp -- cmpq $LOAD_PHYSICAL_ADDR, %rbp -+ cmpq $____LOAD_PHYSICAL_ADDR, %rbp - jge 1f - #endif -- movq $LOAD_PHYSICAL_ADDR, %rbp -+ movq $____LOAD_PHYSICAL_ADDR, %rbp - 1: - - /* Target address to relocate to for decompression */ -@@ -435,8 +435,8 @@ gdt: - .long gdt - .word 0 - .quad 0x0000000000000000 /* NULL descriptor */ -- .quad 0x00af9a000000ffff /* __KERNEL_CS */ -- .quad 0x00cf92000000ffff /* __KERNEL_DS */ -+ .quad 0x00af9b000000ffff /* __KERNEL_CS */ -+ .quad 0x00cf93000000ffff /* __KERNEL_DS */ - .quad 0x0080890000000000 /* TS descriptor */ - .quad 0x0000000000000000 /* TS continued */ - gdt_end: -diff --git a/arch/x86/boot/compressed/misc.c b/arch/x86/boot/compressed/misc.c -index a107b93..55602de 100644 ---- a/arch/x86/boot/compressed/misc.c -+++ b/arch/x86/boot/compressed/misc.c -@@ -242,7 +242,7 @@ static void handle_relocations(void *output, unsigned long output_len) - * Calculate the delta between where vmlinux was linked to load - * and where it was actually loaded. - */ -- delta = min_addr - LOAD_PHYSICAL_ADDR; -+ delta = min_addr - ____LOAD_PHYSICAL_ADDR; - if (!delta) { - debug_putstr("No relocation needed... "); - return; -@@ -324,7 +324,7 @@ static void parse_elf(void *output) - Elf32_Ehdr ehdr; - Elf32_Phdr *phdrs, *phdr; - #endif -- void *dest; -+ void *dest, *prev; - int i; - - memcpy(&ehdr, output, sizeof(ehdr)); -@@ -351,13 +351,16 @@ static void parse_elf(void *output) - case PT_LOAD: - #ifdef CONFIG_RELOCATABLE - dest = output; -- dest += (phdr->p_paddr - LOAD_PHYSICAL_ADDR); -+ dest += (phdr->p_paddr - ____LOAD_PHYSICAL_ADDR); - #else - dest = (void *)(phdr->p_paddr); - #endif - memcpy(dest, - output + phdr->p_offset, - phdr->p_filesz); -+ if (i) -+ memset(prev, 0xff, dest - prev); -+ prev = dest + phdr->p_filesz; - break; - default: /* Ignore other PT_* */ break; - } -@@ -419,7 +422,7 @@ asmlinkage __visible void *decompress_kernel(void *rmode, memptr heap, - error("Destination address too large"); - #endif - #ifndef CONFIG_RELOCATABLE -- if ((unsigned long)output != LOAD_PHYSICAL_ADDR) -+ if ((unsigned long)output != ____LOAD_PHYSICAL_ADDR) - error("Wrong destination address"); - #endif - -diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c -index 1fd7d57..0f7d096 100644 ---- a/arch/x86/boot/cpucheck.c -+++ b/arch/x86/boot/cpucheck.c -@@ -125,9 +125,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr) - u32 ecx = MSR_K7_HWCR; - u32 eax, edx; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); - eax &= ~(1 << 15); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - get_cpuflags(); /* Make sure it really did something */ - err = check_cpuflags(); -@@ -140,9 +140,9 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr) - u32 ecx = MSR_VIA_FCR; - u32 eax, edx; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); - eax |= (1<<1)|(1<<7); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - set_bit(X86_FEATURE_CX8, cpu.flags); - err = check_cpuflags(); -@@ -153,12 +153,12 @@ int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr) - u32 eax, edx; - u32 level = 1; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -- asm("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx)); -- asm("cpuid" -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx)); -+ asm volatile("cpuid" - : "+a" (level), "=d" (cpu.flags[0]) - : : "ecx", "ebx"); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - err = check_cpuflags(); - } else if (err == 0x01 && -diff --git a/arch/x86/boot/header.S b/arch/x86/boot/header.S -index 16ef025..91e033b 100644 ---- a/arch/x86/boot/header.S -+++ b/arch/x86/boot/header.S -@@ -438,10 +438,14 @@ setup_data: .quad 0 # 64-bit physical pointer to - # single linked list of - # struct setup_data - --pref_address: .quad LOAD_PHYSICAL_ADDR # preferred load addr -+pref_address: .quad ____LOAD_PHYSICAL_ADDR # preferred load addr - - #define ZO_INIT_SIZE (ZO__end - ZO_startup_32 + ZO_z_extract_offset) -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+#define VO_INIT_SIZE (VO__end - VO__text - __PAGE_OFFSET - ____LOAD_PHYSICAL_ADDR) -+#else - #define VO_INIT_SIZE (VO__end - VO__text) -+#endif - #if ZO_INIT_SIZE > VO_INIT_SIZE - #define INIT_SIZE ZO_INIT_SIZE - #else -diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c -index db75d07..8e6d0af 100644 ---- a/arch/x86/boot/memory.c -+++ b/arch/x86/boot/memory.c -@@ -19,7 +19,7 @@ - - static int detect_memory_e820(void) - { -- int count = 0; -+ unsigned int count = 0; - struct biosregs ireg, oreg; - struct e820entry *desc = boot_params.e820_map; - static struct e820entry buf; /* static so it is zeroed */ -diff --git a/arch/x86/boot/video-vesa.c b/arch/x86/boot/video-vesa.c -index ba3e100..6501b8f 100644 ---- a/arch/x86/boot/video-vesa.c -+++ b/arch/x86/boot/video-vesa.c -@@ -201,6 +201,7 @@ static void vesa_store_pm_info(void) - - boot_params.screen_info.vesapm_seg = oreg.es; - boot_params.screen_info.vesapm_off = oreg.di; -+ boot_params.screen_info.vesapm_size = oreg.cx; - } - - /* -diff --git a/arch/x86/boot/video.c b/arch/x86/boot/video.c -index 05111bb..a1ae1f0 100644 ---- a/arch/x86/boot/video.c -+++ b/arch/x86/boot/video.c -@@ -98,7 +98,7 @@ static void store_mode_params(void) - static unsigned int get_entry(void) - { - char entry_buf[4]; -- int i, len = 0; -+ unsigned int i, len = 0; - int key; - unsigned int v; - -diff --git a/arch/x86/crypto/aes-x86_64-asm_64.S b/arch/x86/crypto/aes-x86_64-asm_64.S -index 9105655..41779c1 100644 ---- a/arch/x86/crypto/aes-x86_64-asm_64.S -+++ b/arch/x86/crypto/aes-x86_64-asm_64.S -@@ -8,6 +8,8 @@ - * including this sentence is retained in full. - */ - -+#include <asm/alternative-asm.h> -+ - .extern crypto_ft_tab - .extern crypto_it_tab - .extern crypto_fl_tab -@@ -70,6 +72,8 @@ - je B192; \ - leaq 32(r9),r9; - -+#define ret pax_force_retaddr; ret -+ - #define epilogue(FUNC,r1,r2,r3,r4,r5,r6,r7,r8,r9) \ - movq r1,r2; \ - movq r3,r4; \ -diff --git a/arch/x86/crypto/aesni-intel_asm.S b/arch/x86/crypto/aesni-intel_asm.S -index 6bd2c6c..368c93e 100644 ---- a/arch/x86/crypto/aesni-intel_asm.S -+++ b/arch/x86/crypto/aesni-intel_asm.S -@@ -31,6 +31,7 @@ - - #include <linux/linkage.h> - #include <asm/inst.h> -+#include <asm/alternative-asm.h> - - /* - * The following macros are used to move an (un)aligned 16 byte value to/from -@@ -217,7 +218,7 @@ enc: .octa 0x2 - * num_initial_blocks = b mod 4 - * encrypt the initial num_initial_blocks blocks and apply ghash on - * the ciphertext --* %r10, %r11, %r12, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers -+* %r10, %r11, %r15, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers - * are clobbered - * arg1, %arg2, %arg3, %r14 are used as a pointer only, not modified - */ -@@ -227,8 +228,8 @@ enc: .octa 0x2 - XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation - MOVADQ SHUF_MASK(%rip), %xmm14 - mov arg7, %r10 # %r10 = AAD -- mov arg8, %r12 # %r12 = aadLen -- mov %r12, %r11 -+ mov arg8, %r15 # %r15 = aadLen -+ mov %r15, %r11 - pxor %xmm\i, %xmm\i - - _get_AAD_loop\num_initial_blocks\operation: -@@ -237,17 +238,17 @@ _get_AAD_loop\num_initial_blocks\operation: - psrldq $4, %xmm\i - pxor \TMP1, %xmm\i - add $4, %r10 -- sub $4, %r12 -+ sub $4, %r15 - jne _get_AAD_loop\num_initial_blocks\operation - - cmp $16, %r11 - je _get_AAD_loop2_done\num_initial_blocks\operation - -- mov $16, %r12 -+ mov $16, %r15 - _get_AAD_loop2\num_initial_blocks\operation: - psrldq $4, %xmm\i -- sub $4, %r12 -- cmp %r11, %r12 -+ sub $4, %r15 -+ cmp %r11, %r15 - jne _get_AAD_loop2\num_initial_blocks\operation - - _get_AAD_loop2_done\num_initial_blocks\operation: -@@ -442,7 +443,7 @@ _initial_blocks_done\num_initial_blocks\operation: - * num_initial_blocks = b mod 4 - * encrypt the initial num_initial_blocks blocks and apply ghash on - * the ciphertext --* %r10, %r11, %r12, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers -+* %r10, %r11, %r15, %rax, %xmm5, %xmm6, %xmm7, %xmm8, %xmm9 registers - * are clobbered - * arg1, %arg2, %arg3, %r14 are used as a pointer only, not modified - */ -@@ -452,8 +453,8 @@ _initial_blocks_done\num_initial_blocks\operation: - XMM2 XMM3 XMM4 XMMDst TMP6 TMP7 i i_seq operation - MOVADQ SHUF_MASK(%rip), %xmm14 - mov arg7, %r10 # %r10 = AAD -- mov arg8, %r12 # %r12 = aadLen -- mov %r12, %r11 -+ mov arg8, %r15 # %r15 = aadLen -+ mov %r15, %r11 - pxor %xmm\i, %xmm\i - _get_AAD_loop\num_initial_blocks\operation: - movd (%r10), \TMP1 -@@ -461,15 +462,15 @@ _get_AAD_loop\num_initial_blocks\operation: - psrldq $4, %xmm\i - pxor \TMP1, %xmm\i - add $4, %r10 -- sub $4, %r12 -+ sub $4, %r15 - jne _get_AAD_loop\num_initial_blocks\operation - cmp $16, %r11 - je _get_AAD_loop2_done\num_initial_blocks\operation -- mov $16, %r12 -+ mov $16, %r15 - _get_AAD_loop2\num_initial_blocks\operation: - psrldq $4, %xmm\i -- sub $4, %r12 -- cmp %r11, %r12 -+ sub $4, %r15 -+ cmp %r11, %r15 - jne _get_AAD_loop2\num_initial_blocks\operation - _get_AAD_loop2_done\num_initial_blocks\operation: - PSHUFB_XMM %xmm14, %xmm\i # byte-reflect the AAD data -@@ -1280,7 +1281,7 @@ _esb_loop_@: - * - *****************************************************************************/ - ENTRY(aesni_gcm_dec) -- push %r12 -+ push %r15 - push %r13 - push %r14 - mov %rsp, %r14 -@@ -1290,8 +1291,8 @@ ENTRY(aesni_gcm_dec) - */ - sub $VARIABLE_OFFSET, %rsp - and $~63, %rsp # align rsp to 64 bytes -- mov %arg6, %r12 -- movdqu (%r12), %xmm13 # %xmm13 = HashKey -+ mov %arg6, %r15 -+ movdqu (%r15), %xmm13 # %xmm13 = HashKey - movdqa SHUF_MASK(%rip), %xmm2 - PSHUFB_XMM %xmm2, %xmm13 - -@@ -1319,10 +1320,10 @@ ENTRY(aesni_gcm_dec) - movdqa %xmm13, HashKey(%rsp) # store HashKey<<1 (mod poly) - mov %arg4, %r13 # save the number of bytes of plaintext/ciphertext - and $-16, %r13 # %r13 = %r13 - (%r13 mod 16) -- mov %r13, %r12 -- and $(3<<4), %r12 -+ mov %r13, %r15 -+ and $(3<<4), %r15 - jz _initial_num_blocks_is_0_decrypt -- cmp $(2<<4), %r12 -+ cmp $(2<<4), %r15 - jb _initial_num_blocks_is_1_decrypt - je _initial_num_blocks_is_2_decrypt - _initial_num_blocks_is_3_decrypt: -@@ -1372,16 +1373,16 @@ _zero_cipher_left_decrypt: - sub $16, %r11 - add %r13, %r11 - movdqu (%arg3,%r11,1), %xmm1 # receive the last <16 byte block -- lea SHIFT_MASK+16(%rip), %r12 -- sub %r13, %r12 -+ lea SHIFT_MASK+16(%rip), %r15 -+ sub %r13, %r15 - # adjust the shuffle mask pointer to be able to shift 16-%r13 bytes - # (%r13 is the number of bytes in plaintext mod 16) -- movdqu (%r12), %xmm2 # get the appropriate shuffle mask -+ movdqu (%r15), %xmm2 # get the appropriate shuffle mask - PSHUFB_XMM %xmm2, %xmm1 # right shift 16-%r13 butes - - movdqa %xmm1, %xmm2 - pxor %xmm1, %xmm0 # Ciphertext XOR E(K, Yn) -- movdqu ALL_F-SHIFT_MASK(%r12), %xmm1 -+ movdqu ALL_F-SHIFT_MASK(%r15), %xmm1 - # get the appropriate mask to mask out top 16-%r13 bytes of %xmm0 - pand %xmm1, %xmm0 # mask out top 16-%r13 bytes of %xmm0 - pand %xmm1, %xmm2 -@@ -1410,9 +1411,9 @@ _less_than_8_bytes_left_decrypt: - sub $1, %r13 - jne _less_than_8_bytes_left_decrypt - _multiple_of_16_bytes_decrypt: -- mov arg8, %r12 # %r13 = aadLen (number of bytes) -- shl $3, %r12 # convert into number of bits -- movd %r12d, %xmm15 # len(A) in %xmm15 -+ mov arg8, %r15 # %r13 = aadLen (number of bytes) -+ shl $3, %r15 # convert into number of bits -+ movd %r15d, %xmm15 # len(A) in %xmm15 - shl $3, %arg4 # len(C) in bits (*128) - MOVQ_R64_XMM %arg4, %xmm1 - pslldq $8, %xmm15 # %xmm15 = len(A)||0x0000000000000000 -@@ -1451,7 +1452,8 @@ _return_T_done_decrypt: - mov %r14, %rsp - pop %r14 - pop %r13 -- pop %r12 -+ pop %r15 -+ pax_force_retaddr - ret - ENDPROC(aesni_gcm_dec) - -@@ -1540,7 +1542,7 @@ ENDPROC(aesni_gcm_dec) - * poly = x^128 + x^127 + x^126 + x^121 + 1 - ***************************************************************************/ - ENTRY(aesni_gcm_enc) -- push %r12 -+ push %r15 - push %r13 - push %r14 - mov %rsp, %r14 -@@ -1550,8 +1552,8 @@ ENTRY(aesni_gcm_enc) - # - sub $VARIABLE_OFFSET, %rsp - and $~63, %rsp -- mov %arg6, %r12 -- movdqu (%r12), %xmm13 -+ mov %arg6, %r15 -+ movdqu (%r15), %xmm13 - movdqa SHUF_MASK(%rip), %xmm2 - PSHUFB_XMM %xmm2, %xmm13 - -@@ -1575,13 +1577,13 @@ ENTRY(aesni_gcm_enc) - movdqa %xmm13, HashKey(%rsp) - mov %arg4, %r13 # %xmm13 holds HashKey<<1 (mod poly) - and $-16, %r13 -- mov %r13, %r12 -+ mov %r13, %r15 - - # Encrypt first few blocks - -- and $(3<<4), %r12 -+ and $(3<<4), %r15 - jz _initial_num_blocks_is_0_encrypt -- cmp $(2<<4), %r12 -+ cmp $(2<<4), %r15 - jb _initial_num_blocks_is_1_encrypt - je _initial_num_blocks_is_2_encrypt - _initial_num_blocks_is_3_encrypt: -@@ -1634,14 +1636,14 @@ _zero_cipher_left_encrypt: - sub $16, %r11 - add %r13, %r11 - movdqu (%arg3,%r11,1), %xmm1 # receive the last <16 byte blocks -- lea SHIFT_MASK+16(%rip), %r12 -- sub %r13, %r12 -+ lea SHIFT_MASK+16(%rip), %r15 -+ sub %r13, %r15 - # adjust the shuffle mask pointer to be able to shift 16-r13 bytes - # (%r13 is the number of bytes in plaintext mod 16) -- movdqu (%r12), %xmm2 # get the appropriate shuffle mask -+ movdqu (%r15), %xmm2 # get the appropriate shuffle mask - PSHUFB_XMM %xmm2, %xmm1 # shift right 16-r13 byte - pxor %xmm1, %xmm0 # Plaintext XOR Encrypt(K, Yn) -- movdqu ALL_F-SHIFT_MASK(%r12), %xmm1 -+ movdqu ALL_F-SHIFT_MASK(%r15), %xmm1 - # get the appropriate mask to mask out top 16-r13 bytes of xmm0 - pand %xmm1, %xmm0 # mask out top 16-r13 bytes of xmm0 - movdqa SHUF_MASK(%rip), %xmm10 -@@ -1674,9 +1676,9 @@ _less_than_8_bytes_left_encrypt: - sub $1, %r13 - jne _less_than_8_bytes_left_encrypt - _multiple_of_16_bytes_encrypt: -- mov arg8, %r12 # %r12 = addLen (number of bytes) -- shl $3, %r12 -- movd %r12d, %xmm15 # len(A) in %xmm15 -+ mov arg8, %r15 # %r15 = addLen (number of bytes) -+ shl $3, %r15 -+ movd %r15d, %xmm15 # len(A) in %xmm15 - shl $3, %arg4 # len(C) in bits (*128) - MOVQ_R64_XMM %arg4, %xmm1 - pslldq $8, %xmm15 # %xmm15 = len(A)||0x0000000000000000 -@@ -1715,7 +1717,8 @@ _return_T_done_encrypt: - mov %r14, %rsp - pop %r14 - pop %r13 -- pop %r12 -+ pop %r15 -+ pax_force_retaddr - ret - ENDPROC(aesni_gcm_enc) - -@@ -1733,6 +1736,7 @@ _key_expansion_256a: - pxor %xmm1, %xmm0 - movaps %xmm0, (TKEYP) - add $0x10, TKEYP -+ pax_force_retaddr - ret - ENDPROC(_key_expansion_128) - ENDPROC(_key_expansion_256a) -@@ -1759,6 +1763,7 @@ _key_expansion_192a: - shufps $0b01001110, %xmm2, %xmm1 - movaps %xmm1, 0x10(TKEYP) - add $0x20, TKEYP -+ pax_force_retaddr - ret - ENDPROC(_key_expansion_192a) - -@@ -1779,6 +1784,7 @@ _key_expansion_192b: - - movaps %xmm0, (TKEYP) - add $0x10, TKEYP -+ pax_force_retaddr - ret - ENDPROC(_key_expansion_192b) - -@@ -1792,6 +1798,7 @@ _key_expansion_256b: - pxor %xmm1, %xmm2 - movaps %xmm2, (TKEYP) - add $0x10, TKEYP -+ pax_force_retaddr - ret - ENDPROC(_key_expansion_256b) - -@@ -1905,6 +1912,7 @@ ENTRY(aesni_set_key) - #ifndef __x86_64__ - popl KEYP - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_set_key) - -@@ -1927,6 +1935,7 @@ ENTRY(aesni_enc) - popl KLEN - popl KEYP - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_enc) - -@@ -1985,6 +1994,7 @@ _aesni_enc1: - AESENC KEY STATE - movaps 0x70(TKEYP), KEY - AESENCLAST KEY STATE -+ pax_force_retaddr - ret - ENDPROC(_aesni_enc1) - -@@ -2094,6 +2104,7 @@ _aesni_enc4: - AESENCLAST KEY STATE2 - AESENCLAST KEY STATE3 - AESENCLAST KEY STATE4 -+ pax_force_retaddr - ret - ENDPROC(_aesni_enc4) - -@@ -2117,6 +2128,7 @@ ENTRY(aesni_dec) - popl KLEN - popl KEYP - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_dec) - -@@ -2175,6 +2187,7 @@ _aesni_dec1: - AESDEC KEY STATE - movaps 0x70(TKEYP), KEY - AESDECLAST KEY STATE -+ pax_force_retaddr - ret - ENDPROC(_aesni_dec1) - -@@ -2284,6 +2297,7 @@ _aesni_dec4: - AESDECLAST KEY STATE2 - AESDECLAST KEY STATE3 - AESDECLAST KEY STATE4 -+ pax_force_retaddr - ret - ENDPROC(_aesni_dec4) - -@@ -2342,6 +2356,7 @@ ENTRY(aesni_ecb_enc) - popl KEYP - popl LEN - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_ecb_enc) - -@@ -2401,6 +2416,7 @@ ENTRY(aesni_ecb_dec) - popl KEYP - popl LEN - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_ecb_dec) - -@@ -2443,6 +2459,7 @@ ENTRY(aesni_cbc_enc) - popl LEN - popl IVP - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_cbc_enc) - -@@ -2534,6 +2551,7 @@ ENTRY(aesni_cbc_dec) - popl LEN - popl IVP - #endif -+ pax_force_retaddr - ret - ENDPROC(aesni_cbc_dec) - -@@ -2561,6 +2579,7 @@ _aesni_inc_init: - mov $1, TCTR_LOW - MOVQ_R64_XMM TCTR_LOW INC - MOVQ_R64_XMM CTR TCTR_LOW -+ pax_force_retaddr - ret - ENDPROC(_aesni_inc_init) - -@@ -2590,6 +2609,7 @@ _aesni_inc: - .Linc_low: - movaps CTR, IV - PSHUFB_XMM BSWAP_MASK IV -+ pax_force_retaddr - ret - ENDPROC(_aesni_inc) - -@@ -2651,6 +2671,7 @@ ENTRY(aesni_ctr_enc) - .Lctr_enc_ret: - movups IV, (IVP) - .Lctr_enc_just_ret: -+ pax_force_retaddr - ret - ENDPROC(aesni_ctr_enc) - -@@ -2777,6 +2798,7 @@ ENTRY(aesni_xts_crypt8) - pxor INC, STATE4 - movdqu STATE4, 0x70(OUTP) - -+ pax_force_retaddr - ret - ENDPROC(aesni_xts_crypt8) - -diff --git a/arch/x86/crypto/blowfish-x86_64-asm_64.S b/arch/x86/crypto/blowfish-x86_64-asm_64.S -index 246c670..466e2d6 100644 ---- a/arch/x86/crypto/blowfish-x86_64-asm_64.S -+++ b/arch/x86/crypto/blowfish-x86_64-asm_64.S -@@ -21,6 +21,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .file "blowfish-x86_64-asm.S" - .text -@@ -149,9 +150,11 @@ ENTRY(__blowfish_enc_blk) - jnz .L__enc_xor; - - write_block(); -+ pax_force_retaddr - ret; - .L__enc_xor: - xor_block(); -+ pax_force_retaddr - ret; - ENDPROC(__blowfish_enc_blk) - -@@ -183,6 +186,7 @@ ENTRY(blowfish_dec_blk) - - movq %r11, %rbp; - -+ pax_force_retaddr - ret; - ENDPROC(blowfish_dec_blk) - -@@ -334,6 +338,7 @@ ENTRY(__blowfish_enc_blk_4way) - - popq %rbx; - popq %rbp; -+ pax_force_retaddr - ret; - - .L__enc_xor4: -@@ -341,6 +346,7 @@ ENTRY(__blowfish_enc_blk_4way) - - popq %rbx; - popq %rbp; -+ pax_force_retaddr - ret; - ENDPROC(__blowfish_enc_blk_4way) - -@@ -375,5 +381,6 @@ ENTRY(blowfish_dec_blk_4way) - popq %rbx; - popq %rbp; - -+ pax_force_retaddr - ret; - ENDPROC(blowfish_dec_blk_4way) -diff --git a/arch/x86/crypto/camellia-aesni-avx-asm_64.S b/arch/x86/crypto/camellia-aesni-avx-asm_64.S -index ce71f92..1dce7ec 100644 ---- a/arch/x86/crypto/camellia-aesni-avx-asm_64.S -+++ b/arch/x86/crypto/camellia-aesni-avx-asm_64.S -@@ -16,6 +16,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - #define CAMELLIA_TABLE_BYTE_LEN 272 - -@@ -191,6 +192,7 @@ roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd: - roundsm16(%xmm0, %xmm1, %xmm2, %xmm3, %xmm4, %xmm5, %xmm6, %xmm7, - %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, %xmm15, - %rcx, (%r9)); -+ pax_force_retaddr - ret; - ENDPROC(roundsm16_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd) - -@@ -199,6 +201,7 @@ roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab: - roundsm16(%xmm4, %xmm5, %xmm6, %xmm7, %xmm0, %xmm1, %xmm2, %xmm3, - %xmm12, %xmm13, %xmm14, %xmm15, %xmm8, %xmm9, %xmm10, %xmm11, - %rax, (%r9)); -+ pax_force_retaddr - ret; - ENDPROC(roundsm16_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) - -@@ -780,6 +783,7 @@ __camellia_enc_blk16: - %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, - %xmm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 16(%rax)); - -+ pax_force_retaddr - ret; - - .align 8 -@@ -865,6 +869,7 @@ __camellia_dec_blk16: - %xmm8, %xmm9, %xmm10, %xmm11, %xmm12, %xmm13, %xmm14, - %xmm15, (key_table)(CTX), (%rax), 1 * 16(%rax)); - -+ pax_force_retaddr - ret; - - .align 8 -@@ -904,6 +909,7 @@ ENTRY(camellia_ecb_enc_16way) - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ecb_enc_16way) - -@@ -932,6 +938,7 @@ ENTRY(camellia_ecb_dec_16way) - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ecb_dec_16way) - -@@ -981,6 +988,7 @@ ENTRY(camellia_cbc_dec_16way) - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - -+ pax_force_retaddr - ret; - ENDPROC(camellia_cbc_dec_16way) - -@@ -1092,6 +1100,7 @@ ENTRY(camellia_ctr_16way) - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ctr_16way) - -@@ -1234,6 +1243,7 @@ camellia_xts_crypt_16way: - %xmm15, %xmm14, %xmm13, %xmm12, %xmm11, %xmm10, %xmm9, - %xmm8, %rsi); - -+ pax_force_retaddr - ret; - ENDPROC(camellia_xts_crypt_16way) - -diff --git a/arch/x86/crypto/camellia-aesni-avx2-asm_64.S b/arch/x86/crypto/camellia-aesni-avx2-asm_64.S -index 0e0b886..5a3123c 100644 ---- a/arch/x86/crypto/camellia-aesni-avx2-asm_64.S -+++ b/arch/x86/crypto/camellia-aesni-avx2-asm_64.S -@@ -11,6 +11,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - #define CAMELLIA_TABLE_BYTE_LEN 272 - -@@ -230,6 +231,7 @@ roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd: - roundsm32(%ymm0, %ymm1, %ymm2, %ymm3, %ymm4, %ymm5, %ymm6, %ymm7, - %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14, %ymm15, - %rcx, (%r9)); -+ pax_force_retaddr - ret; - ENDPROC(roundsm32_x0_x1_x2_x3_x4_x5_x6_x7_y0_y1_y2_y3_y4_y5_y6_y7_cd) - -@@ -238,6 +240,7 @@ roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab: - roundsm32(%ymm4, %ymm5, %ymm6, %ymm7, %ymm0, %ymm1, %ymm2, %ymm3, - %ymm12, %ymm13, %ymm14, %ymm15, %ymm8, %ymm9, %ymm10, %ymm11, - %rax, (%r9)); -+ pax_force_retaddr - ret; - ENDPROC(roundsm32_x4_x5_x6_x7_x0_x1_x2_x3_y4_y5_y6_y7_y0_y1_y2_y3_ab) - -@@ -820,6 +823,7 @@ __camellia_enc_blk32: - %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14, - %ymm15, (key_table)(CTX, %r8, 8), (%rax), 1 * 32(%rax)); - -+ pax_force_retaddr - ret; - - .align 8 -@@ -905,6 +909,7 @@ __camellia_dec_blk32: - %ymm8, %ymm9, %ymm10, %ymm11, %ymm12, %ymm13, %ymm14, - %ymm15, (key_table)(CTX), (%rax), 1 * 32(%rax)); - -+ pax_force_retaddr - ret; - - .align 8 -@@ -948,6 +953,7 @@ ENTRY(camellia_ecb_enc_32way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ecb_enc_32way) - -@@ -980,6 +986,7 @@ ENTRY(camellia_ecb_dec_32way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ecb_dec_32way) - -@@ -1046,6 +1053,7 @@ ENTRY(camellia_cbc_dec_32way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(camellia_cbc_dec_32way) - -@@ -1184,6 +1192,7 @@ ENTRY(camellia_ctr_32way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(camellia_ctr_32way) - -@@ -1349,6 +1358,7 @@ camellia_xts_crypt_32way: - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(camellia_xts_crypt_32way) - -diff --git a/arch/x86/crypto/camellia-x86_64-asm_64.S b/arch/x86/crypto/camellia-x86_64-asm_64.S -index 310319c..db3d7b5 100644 ---- a/arch/x86/crypto/camellia-x86_64-asm_64.S -+++ b/arch/x86/crypto/camellia-x86_64-asm_64.S -@@ -21,6 +21,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .file "camellia-x86_64-asm_64.S" - .text -@@ -228,12 +229,14 @@ ENTRY(__camellia_enc_blk) - enc_outunpack(mov, RT1); - - movq RRBP, %rbp; -+ pax_force_retaddr - ret; - - .L__enc_xor: - enc_outunpack(xor, RT1); - - movq RRBP, %rbp; -+ pax_force_retaddr - ret; - ENDPROC(__camellia_enc_blk) - -@@ -272,6 +275,7 @@ ENTRY(camellia_dec_blk) - dec_outunpack(); - - movq RRBP, %rbp; -+ pax_force_retaddr - ret; - ENDPROC(camellia_dec_blk) - -@@ -463,6 +467,7 @@ ENTRY(__camellia_enc_blk_2way) - - movq RRBP, %rbp; - popq %rbx; -+ pax_force_retaddr - ret; - - .L__enc2_xor: -@@ -470,6 +475,7 @@ ENTRY(__camellia_enc_blk_2way) - - movq RRBP, %rbp; - popq %rbx; -+ pax_force_retaddr - ret; - ENDPROC(__camellia_enc_blk_2way) - -@@ -510,5 +516,6 @@ ENTRY(camellia_dec_blk_2way) - - movq RRBP, %rbp; - movq RXOR, %rbx; -+ pax_force_retaddr - ret; - ENDPROC(camellia_dec_blk_2way) -diff --git a/arch/x86/crypto/cast5-avx-x86_64-asm_64.S b/arch/x86/crypto/cast5-avx-x86_64-asm_64.S -index c35fd5d..2d8c7db 100644 ---- a/arch/x86/crypto/cast5-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/cast5-avx-x86_64-asm_64.S -@@ -24,6 +24,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .file "cast5-avx-x86_64-asm_64.S" - -@@ -281,6 +282,7 @@ __cast5_enc_blk16: - outunpack_blocks(RR3, RL3, RTMP, RX, RKM); - outunpack_blocks(RR4, RL4, RTMP, RX, RKM); - -+ pax_force_retaddr - ret; - ENDPROC(__cast5_enc_blk16) - -@@ -352,6 +354,7 @@ __cast5_dec_blk16: - outunpack_blocks(RR3, RL3, RTMP, RX, RKM); - outunpack_blocks(RR4, RL4, RTMP, RX, RKM); - -+ pax_force_retaddr - ret; - - .L__skip_dec: -@@ -388,6 +391,7 @@ ENTRY(cast5_ecb_enc_16way) - vmovdqu RR4, (6*4*4)(%r11); - vmovdqu RL4, (7*4*4)(%r11); - -+ pax_force_retaddr - ret; - ENDPROC(cast5_ecb_enc_16way) - -@@ -420,6 +424,7 @@ ENTRY(cast5_ecb_dec_16way) - vmovdqu RR4, (6*4*4)(%r11); - vmovdqu RL4, (7*4*4)(%r11); - -+ pax_force_retaddr - ret; - ENDPROC(cast5_ecb_dec_16way) - -@@ -430,10 +435,10 @@ ENTRY(cast5_cbc_dec_16way) - * %rdx: src - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - vmovdqu (0*16)(%rdx), RL1; - vmovdqu (1*16)(%rdx), RR1; -@@ -447,16 +452,16 @@ ENTRY(cast5_cbc_dec_16way) - call __cast5_dec_blk16; - - /* xor with src */ -- vmovq (%r12), RX; -+ vmovq (%r14), RX; - vpshufd $0x4f, RX, RX; - vpxor RX, RR1, RR1; -- vpxor 0*16+8(%r12), RL1, RL1; -- vpxor 1*16+8(%r12), RR2, RR2; -- vpxor 2*16+8(%r12), RL2, RL2; -- vpxor 3*16+8(%r12), RR3, RR3; -- vpxor 4*16+8(%r12), RL3, RL3; -- vpxor 5*16+8(%r12), RR4, RR4; -- vpxor 6*16+8(%r12), RL4, RL4; -+ vpxor 0*16+8(%r14), RL1, RL1; -+ vpxor 1*16+8(%r14), RR2, RR2; -+ vpxor 2*16+8(%r14), RL2, RL2; -+ vpxor 3*16+8(%r14), RR3, RR3; -+ vpxor 4*16+8(%r14), RL3, RL3; -+ vpxor 5*16+8(%r14), RR4, RR4; -+ vpxor 6*16+8(%r14), RL4, RL4; - - vmovdqu RR1, (0*16)(%r11); - vmovdqu RL1, (1*16)(%r11); -@@ -467,8 +472,9 @@ ENTRY(cast5_cbc_dec_16way) - vmovdqu RR4, (6*16)(%r11); - vmovdqu RL4, (7*16)(%r11); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(cast5_cbc_dec_16way) - -@@ -480,10 +486,10 @@ ENTRY(cast5_ctr_16way) - * %rcx: iv (big endian, 64bit) - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - vpcmpeqd RTMP, RTMP, RTMP; - vpsrldq $8, RTMP, RTMP; /* low: -1, high: 0 */ -@@ -523,14 +529,14 @@ ENTRY(cast5_ctr_16way) - call __cast5_enc_blk16; - - /* dst = src ^ iv */ -- vpxor (0*16)(%r12), RR1, RR1; -- vpxor (1*16)(%r12), RL1, RL1; -- vpxor (2*16)(%r12), RR2, RR2; -- vpxor (3*16)(%r12), RL2, RL2; -- vpxor (4*16)(%r12), RR3, RR3; -- vpxor (5*16)(%r12), RL3, RL3; -- vpxor (6*16)(%r12), RR4, RR4; -- vpxor (7*16)(%r12), RL4, RL4; -+ vpxor (0*16)(%r14), RR1, RR1; -+ vpxor (1*16)(%r14), RL1, RL1; -+ vpxor (2*16)(%r14), RR2, RR2; -+ vpxor (3*16)(%r14), RL2, RL2; -+ vpxor (4*16)(%r14), RR3, RR3; -+ vpxor (5*16)(%r14), RL3, RL3; -+ vpxor (6*16)(%r14), RR4, RR4; -+ vpxor (7*16)(%r14), RL4, RL4; - vmovdqu RR1, (0*16)(%r11); - vmovdqu RL1, (1*16)(%r11); - vmovdqu RR2, (2*16)(%r11); -@@ -540,7 +546,8 @@ ENTRY(cast5_ctr_16way) - vmovdqu RR4, (6*16)(%r11); - vmovdqu RL4, (7*16)(%r11); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(cast5_ctr_16way) -diff --git a/arch/x86/crypto/cast6-avx-x86_64-asm_64.S b/arch/x86/crypto/cast6-avx-x86_64-asm_64.S -index e3531f8..e123f35 100644 ---- a/arch/x86/crypto/cast6-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/cast6-avx-x86_64-asm_64.S -@@ -24,6 +24,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - #include "glue_helper-asm-avx.S" - - .file "cast6-avx-x86_64-asm_64.S" -@@ -295,6 +296,7 @@ __cast6_enc_blk8: - outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM); - outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM); - -+ pax_force_retaddr - ret; - ENDPROC(__cast6_enc_blk8) - -@@ -340,6 +342,7 @@ __cast6_dec_blk8: - outunpack_blocks(RA1, RB1, RC1, RD1, RTMP, RX, RKRF, RKM); - outunpack_blocks(RA2, RB2, RC2, RD2, RTMP, RX, RKRF, RKM); - -+ pax_force_retaddr - ret; - ENDPROC(__cast6_dec_blk8) - -@@ -358,6 +361,7 @@ ENTRY(cast6_ecb_enc_8way) - - store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(cast6_ecb_enc_8way) - -@@ -376,6 +380,7 @@ ENTRY(cast6_ecb_dec_8way) - - store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(cast6_ecb_dec_8way) - -@@ -386,19 +391,20 @@ ENTRY(cast6_cbc_dec_8way) - * %rdx: src - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_8way(%rdx, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - - call __cast6_dec_blk8; - -- store_cbc_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); -+ store_cbc_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(cast6_cbc_dec_8way) - -@@ -410,20 +416,21 @@ ENTRY(cast6_ctr_8way) - * %rcx: iv (little endian, 128bit) - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2, - RD2, RX, RKR, RKM); - - call __cast6_enc_blk8; - -- store_ctr_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); -+ store_ctr_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(cast6_ctr_8way) - -@@ -446,6 +453,7 @@ ENTRY(cast6_xts_enc_8way) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(cast6_xts_enc_8way) - -@@ -468,5 +476,6 @@ ENTRY(cast6_xts_dec_8way) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(cast6_xts_dec_8way) -diff --git a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S -index 225be06..2885e731 100644 ---- a/arch/x86/crypto/crc32c-pcl-intel-asm_64.S -+++ b/arch/x86/crypto/crc32c-pcl-intel-asm_64.S -@@ -45,6 +45,7 @@ - - #include <asm/inst.h> - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - ## ISCSI CRC 32 Implementation with crc32 and pclmulqdq Instruction - -@@ -309,6 +310,7 @@ do_return: - popq %rsi - popq %rdi - popq %rbx -+ pax_force_retaddr - ret - - ################################################################ -@@ -330,7 +332,7 @@ ENDPROC(crc_pcl) - ## PCLMULQDQ tables - ## Table is 128 entries x 2 words (8 bytes) each - ################################################################ --.section .rotata, "a", %progbits -+.section .rodata, "a", %progbits - .align 8 - K_table: - .long 0x493c7d27, 0x00000001 -diff --git a/arch/x86/crypto/ghash-clmulni-intel_asm.S b/arch/x86/crypto/ghash-clmulni-intel_asm.S -index 5d1e007..098cb4f 100644 ---- a/arch/x86/crypto/ghash-clmulni-intel_asm.S -+++ b/arch/x86/crypto/ghash-clmulni-intel_asm.S -@@ -18,6 +18,7 @@ - - #include <linux/linkage.h> - #include <asm/inst.h> -+#include <asm/alternative-asm.h> - - .data - -@@ -89,6 +90,7 @@ __clmul_gf128mul_ble: - psrlq $1, T2 - pxor T2, T1 - pxor T1, DATA -+ pax_force_retaddr - ret - ENDPROC(__clmul_gf128mul_ble) - -@@ -101,6 +103,7 @@ ENTRY(clmul_ghash_mul) - call __clmul_gf128mul_ble - PSHUFB_XMM BSWAP DATA - movups DATA, (%rdi) -+ pax_force_retaddr - ret - ENDPROC(clmul_ghash_mul) - -@@ -128,5 +131,6 @@ ENTRY(clmul_ghash_update) - PSHUFB_XMM BSWAP DATA - movups DATA, (%rdi) - .Lupdate_just_ret: -+ pax_force_retaddr - ret - ENDPROC(clmul_ghash_update) -diff --git a/arch/x86/crypto/salsa20-x86_64-asm_64.S b/arch/x86/crypto/salsa20-x86_64-asm_64.S -index 9279e0b..c4b3d2c 100644 ---- a/arch/x86/crypto/salsa20-x86_64-asm_64.S -+++ b/arch/x86/crypto/salsa20-x86_64-asm_64.S -@@ -1,4 +1,5 @@ - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - # enter salsa20_encrypt_bytes - ENTRY(salsa20_encrypt_bytes) -@@ -789,6 +790,7 @@ ENTRY(salsa20_encrypt_bytes) - add %r11,%rsp - mov %rdi,%rax - mov %rsi,%rdx -+ pax_force_retaddr - ret - # bytesatleast65: - ._bytesatleast65: -@@ -889,6 +891,7 @@ ENTRY(salsa20_keysetup) - add %r11,%rsp - mov %rdi,%rax - mov %rsi,%rdx -+ pax_force_retaddr - ret - ENDPROC(salsa20_keysetup) - -@@ -914,5 +917,6 @@ ENTRY(salsa20_ivsetup) - add %r11,%rsp - mov %rdi,%rax - mov %rsi,%rdx -+ pax_force_retaddr - ret - ENDPROC(salsa20_ivsetup) -diff --git a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S -index 2f202f4..d9164d6 100644 ---- a/arch/x86/crypto/serpent-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/serpent-avx-x86_64-asm_64.S -@@ -24,6 +24,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - #include "glue_helper-asm-avx.S" - - .file "serpent-avx-x86_64-asm_64.S" -@@ -618,6 +619,7 @@ __serpent_enc_blk8_avx: - write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2); - write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__serpent_enc_blk8_avx) - -@@ -672,6 +674,7 @@ __serpent_dec_blk8_avx: - write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2); - write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__serpent_dec_blk8_avx) - -@@ -688,6 +691,7 @@ ENTRY(serpent_ecb_enc_8way_avx) - - store_8way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ecb_enc_8way_avx) - -@@ -704,6 +708,7 @@ ENTRY(serpent_ecb_dec_8way_avx) - - store_8way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ecb_dec_8way_avx) - -@@ -720,6 +725,7 @@ ENTRY(serpent_cbc_dec_8way_avx) - - store_cbc_8way(%rdx, %rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_cbc_dec_8way_avx) - -@@ -738,6 +744,7 @@ ENTRY(serpent_ctr_8way_avx) - - store_ctr_8way(%rdx, %rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ctr_8way_avx) - -@@ -758,6 +765,7 @@ ENTRY(serpent_xts_enc_8way_avx) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%rsi, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_xts_enc_8way_avx) - -@@ -778,5 +786,6 @@ ENTRY(serpent_xts_dec_8way_avx) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%rsi, RC1, RD1, RB1, RE1, RC2, RD2, RB2, RE2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_xts_dec_8way_avx) -diff --git a/arch/x86/crypto/serpent-avx2-asm_64.S b/arch/x86/crypto/serpent-avx2-asm_64.S -index b222085..abd483c 100644 ---- a/arch/x86/crypto/serpent-avx2-asm_64.S -+++ b/arch/x86/crypto/serpent-avx2-asm_64.S -@@ -15,6 +15,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - #include "glue_helper-asm-avx2.S" - - .file "serpent-avx2-asm_64.S" -@@ -610,6 +611,7 @@ __serpent_enc_blk16: - write_blocks(RA1, RB1, RC1, RD1, RK0, RK1, RK2); - write_blocks(RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__serpent_enc_blk16) - -@@ -664,6 +666,7 @@ __serpent_dec_blk16: - write_blocks(RC1, RD1, RB1, RE1, RK0, RK1, RK2); - write_blocks(RC2, RD2, RB2, RE2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__serpent_dec_blk16) - -@@ -684,6 +687,7 @@ ENTRY(serpent_ecb_enc_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ecb_enc_16way) - -@@ -704,6 +708,7 @@ ENTRY(serpent_ecb_dec_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ecb_dec_16way) - -@@ -725,6 +730,7 @@ ENTRY(serpent_cbc_dec_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_cbc_dec_16way) - -@@ -748,6 +754,7 @@ ENTRY(serpent_ctr_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_ctr_16way) - -@@ -772,6 +779,7 @@ ENTRY(serpent_xts_enc_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_xts_enc_16way) - -@@ -796,5 +804,6 @@ ENTRY(serpent_xts_dec_16way) - - vzeroupper; - -+ pax_force_retaddr - ret; - ENDPROC(serpent_xts_dec_16way) -diff --git a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S -index acc066c..1559cc4 100644 ---- a/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S -+++ b/arch/x86/crypto/serpent-sse2-x86_64-asm_64.S -@@ -25,6 +25,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .file "serpent-sse2-x86_64-asm_64.S" - .text -@@ -690,12 +691,14 @@ ENTRY(__serpent_enc_blk_8way) - write_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2); - write_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - - .L__enc_xor8: - xor_blocks(%rsi, RA1, RB1, RC1, RD1, RK0, RK1, RK2); - xor_blocks(%rax, RA2, RB2, RC2, RD2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__serpent_enc_blk_8way) - -@@ -750,5 +753,6 @@ ENTRY(serpent_dec_blk_8way) - write_blocks(%rsi, RC1, RD1, RB1, RE1, RK0, RK1, RK2); - write_blocks(%rax, RC2, RD2, RB2, RE2, RK0, RK1, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(serpent_dec_blk_8way) -diff --git a/arch/x86/crypto/sha1_ssse3_asm.S b/arch/x86/crypto/sha1_ssse3_asm.S -index a410950..9dfe7ad 100644 ---- a/arch/x86/crypto/sha1_ssse3_asm.S -+++ b/arch/x86/crypto/sha1_ssse3_asm.S -@@ -29,6 +29,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - #define CTX %rdi // arg1 - #define BUF %rsi // arg2 -@@ -75,9 +76,9 @@ - - push %rbx - push %rbp -- push %r12 -+ push %r14 - -- mov %rsp, %r12 -+ mov %rsp, %r14 - sub $64, %rsp # allocate workspace - and $~15, %rsp # align stack - -@@ -99,11 +100,12 @@ - xor %rax, %rax - rep stosq - -- mov %r12, %rsp # deallocate workspace -+ mov %r14, %rsp # deallocate workspace - -- pop %r12 -+ pop %r14 - pop %rbp - pop %rbx -+ pax_force_retaddr - ret - - ENDPROC(\name) -diff --git a/arch/x86/crypto/sha256-avx-asm.S b/arch/x86/crypto/sha256-avx-asm.S -index 92b3b5d..0dc1dcb 100644 ---- a/arch/x86/crypto/sha256-avx-asm.S -+++ b/arch/x86/crypto/sha256-avx-asm.S -@@ -49,6 +49,7 @@ - - #ifdef CONFIG_AS_AVX - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - ## assume buffers not aligned - #define VMOVDQ vmovdqu -@@ -460,6 +461,7 @@ done_hash: - popq %r13 - popq %rbp - popq %rbx -+ pax_force_retaddr - ret - ENDPROC(sha256_transform_avx) - -diff --git a/arch/x86/crypto/sha256-avx2-asm.S b/arch/x86/crypto/sha256-avx2-asm.S -index 570ec5e..cf2b625 100644 ---- a/arch/x86/crypto/sha256-avx2-asm.S -+++ b/arch/x86/crypto/sha256-avx2-asm.S -@@ -50,6 +50,7 @@ - - #ifdef CONFIG_AS_AVX2 - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - ## assume buffers not aligned - #define VMOVDQ vmovdqu -@@ -720,6 +721,7 @@ done_hash: - popq %r12 - popq %rbp - popq %rbx -+ pax_force_retaddr - ret - ENDPROC(sha256_transform_rorx) - -diff --git a/arch/x86/crypto/sha256-ssse3-asm.S b/arch/x86/crypto/sha256-ssse3-asm.S -index 2cedc44..5144899 100644 ---- a/arch/x86/crypto/sha256-ssse3-asm.S -+++ b/arch/x86/crypto/sha256-ssse3-asm.S -@@ -47,6 +47,7 @@ - ######################################################################## - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - ## assume buffers not aligned - #define MOVDQ movdqu -@@ -471,6 +472,7 @@ done_hash: - popq %rbp - popq %rbx - -+ pax_force_retaddr - ret - ENDPROC(sha256_transform_ssse3) - -diff --git a/arch/x86/crypto/sha512-avx-asm.S b/arch/x86/crypto/sha512-avx-asm.S -index 565274d..af6bc08 100644 ---- a/arch/x86/crypto/sha512-avx-asm.S -+++ b/arch/x86/crypto/sha512-avx-asm.S -@@ -49,6 +49,7 @@ - - #ifdef CONFIG_AS_AVX - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .text - -@@ -364,6 +365,7 @@ updateblock: - mov frame_RSPSAVE(%rsp), %rsp - - nowork: -+ pax_force_retaddr - ret - ENDPROC(sha512_transform_avx) - -diff --git a/arch/x86/crypto/sha512-avx2-asm.S b/arch/x86/crypto/sha512-avx2-asm.S -index 1f20b35..f25c8c1 100644 ---- a/arch/x86/crypto/sha512-avx2-asm.S -+++ b/arch/x86/crypto/sha512-avx2-asm.S -@@ -51,6 +51,7 @@ - - #ifdef CONFIG_AS_AVX2 - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .text - -@@ -678,6 +679,7 @@ done_hash: - - # Restore Stack Pointer - mov frame_RSPSAVE(%rsp), %rsp -+ pax_force_retaddr - ret - ENDPROC(sha512_transform_rorx) - -diff --git a/arch/x86/crypto/sha512-ssse3-asm.S b/arch/x86/crypto/sha512-ssse3-asm.S -index e610e29..ffcb5ed 100644 ---- a/arch/x86/crypto/sha512-ssse3-asm.S -+++ b/arch/x86/crypto/sha512-ssse3-asm.S -@@ -48,6 +48,7 @@ - ######################################################################## - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .text - -@@ -363,6 +364,7 @@ updateblock: - mov frame_RSPSAVE(%rsp), %rsp - - nowork: -+ pax_force_retaddr - ret - ENDPROC(sha512_transform_ssse3) - -diff --git a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S -index 0505813..b067311 100644 ---- a/arch/x86/crypto/twofish-avx-x86_64-asm_64.S -+++ b/arch/x86/crypto/twofish-avx-x86_64-asm_64.S -@@ -24,6 +24,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - #include "glue_helper-asm-avx.S" - - .file "twofish-avx-x86_64-asm_64.S" -@@ -284,6 +285,7 @@ __twofish_enc_blk8: - outunpack_blocks(RC1, RD1, RA1, RB1, RK1, RX0, RY0, RK2); - outunpack_blocks(RC2, RD2, RA2, RB2, RK1, RX0, RY0, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__twofish_enc_blk8) - -@@ -324,6 +326,7 @@ __twofish_dec_blk8: - outunpack_blocks(RA1, RB1, RC1, RD1, RK1, RX0, RY0, RK2); - outunpack_blocks(RA2, RB2, RC2, RD2, RK1, RX0, RY0, RK2); - -+ pax_force_retaddr - ret; - ENDPROC(__twofish_dec_blk8) - -@@ -342,6 +345,7 @@ ENTRY(twofish_ecb_enc_8way) - - store_8way(%r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - -+ pax_force_retaddr - ret; - ENDPROC(twofish_ecb_enc_8way) - -@@ -360,6 +364,7 @@ ENTRY(twofish_ecb_dec_8way) - - store_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(twofish_ecb_dec_8way) - -@@ -370,19 +375,20 @@ ENTRY(twofish_cbc_dec_8way) - * %rdx: src - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_8way(%rdx, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - - call __twofish_dec_blk8; - -- store_cbc_8way(%r12, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); -+ store_cbc_8way(%r14, %r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(twofish_cbc_dec_8way) - -@@ -394,20 +400,21 @@ ENTRY(twofish_ctr_8way) - * %rcx: iv (little endian, 128bit) - */ - -- pushq %r12; -+ pushq %r14; - - movq %rsi, %r11; -- movq %rdx, %r12; -+ movq %rdx, %r14; - - load_ctr_8way(%rcx, .Lbswap128_mask, RA1, RB1, RC1, RD1, RA2, RB2, RC2, - RD2, RX0, RX1, RY0); - - call __twofish_enc_blk8; - -- store_ctr_8way(%r12, %r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); -+ store_ctr_8way(%r14, %r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - -- popq %r12; -+ popq %r14; - -+ pax_force_retaddr - ret; - ENDPROC(twofish_ctr_8way) - -@@ -430,6 +437,7 @@ ENTRY(twofish_xts_enc_8way) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RC1, RD1, RA1, RB1, RC2, RD2, RA2, RB2); - -+ pax_force_retaddr - ret; - ENDPROC(twofish_xts_enc_8way) - -@@ -452,5 +460,6 @@ ENTRY(twofish_xts_dec_8way) - /* dst <= regs xor IVs(in dst) */ - store_xts_8way(%r11, RA1, RB1, RC1, RD1, RA2, RB2, RC2, RD2); - -+ pax_force_retaddr - ret; - ENDPROC(twofish_xts_dec_8way) -diff --git a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S -index 1c3b7ce..02f578d 100644 ---- a/arch/x86/crypto/twofish-x86_64-asm_64-3way.S -+++ b/arch/x86/crypto/twofish-x86_64-asm_64-3way.S -@@ -21,6 +21,7 @@ - */ - - #include <linux/linkage.h> -+#include <asm/alternative-asm.h> - - .file "twofish-x86_64-asm-3way.S" - .text -@@ -258,6 +259,7 @@ ENTRY(__twofish_enc_blk_3way) - popq %r13; - popq %r14; - popq %r15; -+ pax_force_retaddr - ret; - - .L__enc_xor3: -@@ -269,6 +271,7 @@ ENTRY(__twofish_enc_blk_3way) - popq %r13; - popq %r14; - popq %r15; -+ pax_force_retaddr - ret; - ENDPROC(__twofish_enc_blk_3way) - -@@ -308,5 +311,6 @@ ENTRY(twofish_dec_blk_3way) - popq %r13; - popq %r14; - popq %r15; -+ pax_force_retaddr - ret; - ENDPROC(twofish_dec_blk_3way) -diff --git a/arch/x86/crypto/twofish-x86_64-asm_64.S b/arch/x86/crypto/twofish-x86_64-asm_64.S -index a350c99..c1bac24 100644 ---- a/arch/x86/crypto/twofish-x86_64-asm_64.S -+++ b/arch/x86/crypto/twofish-x86_64-asm_64.S -@@ -22,6 +22,7 @@ - - #include <linux/linkage.h> - #include <asm/asm-offsets.h> -+#include <asm/alternative-asm.h> - - #define a_offset 0 - #define b_offset 4 -@@ -265,6 +266,7 @@ ENTRY(twofish_enc_blk) - - popq R1 - movl $1,%eax -+ pax_force_retaddr - ret - ENDPROC(twofish_enc_blk) - -@@ -317,5 +319,6 @@ ENTRY(twofish_dec_blk) - - popq R1 - movl $1,%eax -+ pax_force_retaddr - ret - ENDPROC(twofish_dec_blk) -diff --git a/arch/x86/ia32/ia32_aout.c b/arch/x86/ia32/ia32_aout.c -index ae6aad1..719d6d9 100644 ---- a/arch/x86/ia32/ia32_aout.c -+++ b/arch/x86/ia32/ia32_aout.c -@@ -153,6 +153,8 @@ static int aout_core_dump(struct coredump_params *cprm) - unsigned long dump_start, dump_size; - struct user32 dump; - -+ memset(&dump, 0, sizeof(dump)); -+ - fs = get_fs(); - set_fs(KERNEL_DS); - has_dumped = 1; -diff --git a/arch/x86/ia32/ia32_signal.c b/arch/x86/ia32/ia32_signal.c -index c81d35e6..3500144 100644 ---- a/arch/x86/ia32/ia32_signal.c -+++ b/arch/x86/ia32/ia32_signal.c -@@ -216,7 +216,7 @@ asmlinkage long sys32_sigreturn(void) - if (__get_user(set.sig[0], &frame->sc.oldmask) - || (_COMPAT_NSIG_WORDS > 1 - && __copy_from_user((((char *) &set.sig) + 4), -- &frame->extramask, -+ frame->extramask, - sizeof(frame->extramask)))) - goto badframe; - -@@ -335,7 +335,7 @@ static void __user *get_sigframe(struct ksignal *ksig, struct pt_regs *regs, - sp -= frame_size; - /* Align the stack pointer according to the i386 ABI, - * i.e. so that on function entry ((sp + 4) & 15) == 0. */ -- sp = ((sp + 4) & -16ul) - 4; -+ sp = ((sp - 12) & -16ul) - 4; - return (void __user *) sp; - } - -@@ -380,10 +380,10 @@ int ia32_setup_frame(int sig, struct ksignal *ksig, - } else { - /* Return stub is in 32bit vsyscall page */ - if (current->mm->context.vdso) -- restorer = current->mm->context.vdso + -- selected_vdso32->sym___kernel_sigreturn; -+ restorer = (void __force_user *)(current->mm->context.vdso + -+ selected_vdso32->sym___kernel_sigreturn); - else -- restorer = &frame->retcode; -+ restorer = frame->retcode; - } - - put_user_try { -@@ -393,7 +393,7 @@ int ia32_setup_frame(int sig, struct ksignal *ksig, - * These are actually not used anymore, but left because some - * gdb versions depend on them as a marker. - */ -- put_user_ex(*((u64 *)&code), (u64 __user *)frame->retcode); -+ put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode); - } put_user_catch(err); - - if (err) -@@ -435,7 +435,7 @@ int ia32_setup_rt_frame(int sig, struct ksignal *ksig, - 0xb8, - __NR_ia32_rt_sigreturn, - 0x80cd, -- 0, -+ 0 - }; - - frame = get_sigframe(ksig, regs, sizeof(*frame), &fpstate); -@@ -458,16 +458,19 @@ int ia32_setup_rt_frame(int sig, struct ksignal *ksig, - - if (ksig->ka.sa.sa_flags & SA_RESTORER) - restorer = ksig->ka.sa.sa_restorer; -+ else if (current->mm->context.vdso) -+ /* Return stub is in 32bit vsyscall page */ -+ restorer = (void __force_user *)(current->mm->context.vdso + -+ selected_vdso32->sym___kernel_rt_sigreturn); - else -- restorer = current->mm->context.vdso + -- selected_vdso32->sym___kernel_rt_sigreturn; -+ restorer = frame->retcode; - put_user_ex(ptr_to_compat(restorer), &frame->pretcode); - - /* - * Not actually used anymore, but left because some gdb - * versions need it. - */ -- put_user_ex(*((u64 *)&code), (u64 __user *)frame->retcode); -+ put_user_ex(*((const u64 *)&code), (u64 __user *)frame->retcode); - } put_user_catch(err); - - err |= copy_siginfo_to_user32(&frame->info, &ksig->info); -diff --git a/arch/x86/ia32/ia32entry.S b/arch/x86/ia32/ia32entry.S -index 72bf268..127572a 100644 ---- a/arch/x86/ia32/ia32entry.S -+++ b/arch/x86/ia32/ia32entry.S -@@ -15,8 +15,10 @@ - #include <asm/irqflags.h> - #include <asm/asm.h> - #include <asm/smap.h> -+#include <asm/pgtable.h> - #include <linux/linkage.h> - #include <linux/err.h> -+#include <asm/alternative-asm.h> - - /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */ - #include <linux/elf-em.h> -@@ -85,6 +87,32 @@ ENTRY(native_irq_enable_sysexit) - ENDPROC(native_irq_enable_sysexit) - #endif - -+ .macro pax_enter_kernel_user -+ pax_set_fptr_mask -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_enter_kernel_user -+#endif -+ .endm -+ -+ .macro pax_exit_kernel_user -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_exit_kernel_user -+#endif -+#ifdef CONFIG_PAX_RANDKSTACK -+ pushq %rax -+ pushq %r11 -+ call pax_randomize_kstack -+ popq %r11 -+ popq %rax -+#endif -+ .endm -+ -+ .macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ call pax_erase_kstack -+#endif -+ .endm -+ - /* - * 32bit SYSENTER instruction entry. - * -@@ -119,23 +147,24 @@ ENTRY(ia32_sysenter_target) - * it is too small to ever cause noticeable irq latency. - */ - SWAPGS_UNSAFE_STACK -- movq PER_CPU_VAR(cpu_tss + TSS_sp0), %rsp -- ENABLE_INTERRUPTS(CLBR_NONE) -+ movq PER_CPU_VAR(kernel_stack), %rsp - - /* Zero-extending 32-bit regs, do not remove */ - movl %ebp, %ebp - movl %eax, %eax - -- movl ASM_THREAD_INFO(TI_sysenter_return, %rsp, 0), %r10d -- CFI_REGISTER rip,r10 -+ GET_THREAD_INFO(%r11) -+ movl TI_sysenter_return(%r11), %r11d -+ CFI_REGISTER rip,r11 - - /* Construct struct pt_regs on stack */ - pushq_cfi $__USER32_DS /* pt_regs->ss */ - pushq_cfi %rbp /* pt_regs->sp */ - CFI_REL_OFFSET rsp,0 - pushfq_cfi /* pt_regs->flags */ -+ orl $X86_EFLAGS_IF,(%rsp) - pushq_cfi $__USER32_CS /* pt_regs->cs */ -- pushq_cfi %r10 /* pt_regs->ip = thread_info->sysenter_return */ -+ pushq_cfi %r11 /* pt_regs->ip = thread_info->sysenter_return */ - CFI_REL_OFFSET rip,0 - pushq_cfi_reg rax /* pt_regs->orig_ax */ - pushq_cfi_reg rdi /* pt_regs->di */ -@@ -147,15 +176,37 @@ ENTRY(ia32_sysenter_target) - sub $(10*8),%rsp /* pt_regs->r8-11,bp,bx,r12-15 not saved */ - CFI_ADJUST_CFA_OFFSET 10*8 - -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12 -+#endif -+ -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ -+ ENABLE_INTERRUPTS(CLBR_NONE) -+ - /* - * no need to do an access_ok check here because rbp has been - * 32bit zero extended - */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ addq pax_user_shadow_base,%rbp -+ ASM_PAX_OPEN_USERLAND -+#endif -+ - ASM_STAC - 1: movl (%rbp),%ebp - _ASM_EXTABLE(1b,ia32_badarg) - ASM_CLAC - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ASM_PAX_CLOSE_USERLAND -+#endif -+ - /* - * Sysenter doesn't filter flags, so we need to clear NT - * ourselves. To save a few cycles, we can check whether -@@ -165,8 +216,9 @@ ENTRY(ia32_sysenter_target) - jnz sysenter_fix_flags - sysenter_flags_fixed: - -- orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) -- testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ GET_THREAD_INFO(%r11) -+ orl $TS_COMPAT,TI_status(%r11) -+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11) - CFI_REMEMBER_STATE - jnz sysenter_tracesys - cmpq $(IA32_NR_syscalls-1),%rax -@@ -181,9 +233,10 @@ sysenter_do_call: - sysenter_dispatch: - call *ia32_sys_call_table(,%rax,8) - movq %rax,RAX(%rsp) -+ GET_THREAD_INFO(%r11) - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- testl $_TIF_ALLWORK_MASK, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl $_TIF_ALLWORK_MASK,TI_flags(%r11) - jnz sysexit_audit - sysexit_from_sys_call: - /* -@@ -196,7 +249,9 @@ sysexit_from_sys_call: - * This code path is still called 'sysexit' because it pairs - * with 'sysenter' and it uses the SYSENTER calling convention. - */ -- andl $~TS_COMPAT,ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) -+ pax_exit_kernel_user -+ pax_erase_kstack -+ andl $~TS_COMPAT,TI_status(%r11) - movl RIP(%rsp),%ecx /* User %eip */ - CFI_REGISTER rip,rcx - RESTORE_RSI_RDI -@@ -247,6 +302,9 @@ sysexit_from_sys_call: - movl %ebx,%esi /* 2nd arg: 1st syscall arg */ - movl %eax,%edi /* 1st arg: syscall number */ - call __audit_syscall_entry -+ -+ pax_erase_kstack -+ - movl RAX(%rsp),%eax /* reload syscall number */ - cmpq $(IA32_NR_syscalls-1),%rax - ja ia32_badsys -@@ -258,7 +316,7 @@ sysexit_from_sys_call: - .endm - - .macro auditsys_exit exit -- testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT), ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11) - jnz ia32_ret_from_sys_call - TRACE_IRQS_ON - ENABLE_INTERRUPTS(CLBR_NONE) -@@ -269,11 +327,12 @@ sysexit_from_sys_call: - 1: setbe %al /* 1 if error, 0 if not */ - movzbl %al,%edi /* zero-extend that into %edi */ - call __audit_syscall_exit -+ GET_THREAD_INFO(%r11) - movq RAX(%rsp),%rax /* reload syscall return value */ - movl $(_TIF_ALLWORK_MASK & ~_TIF_SYSCALL_AUDIT),%edi - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- testl %edi, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl %edi,TI_flags(%r11) - jz \exit - CLEAR_RREGS - jmp int_with_check -@@ -295,7 +354,7 @@ sysenter_fix_flags: - - sysenter_tracesys: - #ifdef CONFIG_AUDITSYSCALL -- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT), ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11) - jz sysenter_auditsys - #endif - SAVE_EXTRA_REGS -@@ -307,6 +366,9 @@ sysenter_tracesys: - RESTORE_EXTRA_REGS - cmpq $(IA32_NR_syscalls-1),%rax - ja int_ret_from_sys_call /* sysenter_tracesys has set RAX(%rsp) */ -+ -+ pax_erase_kstack -+ - jmp sysenter_do_call - CFI_ENDPROC - ENDPROC(ia32_sysenter_target) -@@ -357,7 +419,6 @@ ENTRY(ia32_cstar_target) - movl %esp,%r8d - CFI_REGISTER rsp,r8 - movq PER_CPU_VAR(kernel_stack),%rsp -- ENABLE_INTERRUPTS(CLBR_NONE) - - /* Zero-extending 32-bit regs, do not remove */ - movl %eax,%eax -@@ -380,16 +441,41 @@ ENTRY(ia32_cstar_target) - sub $(10*8),%rsp /* pt_regs->r8-11,bp,bx,r12-15 not saved */ - CFI_ADJUST_CFA_OFFSET 10*8 - -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12 -+#endif -+ -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ -+ ENABLE_INTERRUPTS(CLBR_NONE) -+ - /* - * no need to do an access_ok check here because r8 has been - * 32bit zero extended - */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ASM_PAX_OPEN_USERLAND -+ movq pax_user_shadow_base,%r8 -+ addq RSP(%rsp),%r8 -+#endif -+ - ASM_STAC - 1: movl (%r8),%r9d - _ASM_EXTABLE(1b,ia32_badarg) - ASM_CLAC -- orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) -- testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ASM_PAX_CLOSE_USERLAND -+#endif -+ -+ GET_THREAD_INFO(%r11) -+ orl $TS_COMPAT,TI_status(%r11) -+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11) - CFI_REMEMBER_STATE - jnz cstar_tracesys - cmpq $IA32_NR_syscalls-1,%rax -@@ -404,12 +490,15 @@ cstar_do_call: - cstar_dispatch: - call *ia32_sys_call_table(,%rax,8) - movq %rax,RAX(%rsp) -+ GET_THREAD_INFO(%r11) - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- testl $_TIF_ALLWORK_MASK, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl $_TIF_ALLWORK_MASK,TI_flags(%r11) - jnz sysretl_audit - sysretl_from_sys_call: -- andl $~TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) -+ pax_exit_kernel_user -+ pax_erase_kstack -+ andl $~TS_COMPAT,TI_status(%r11) - RESTORE_RSI_RDI_RDX - movl RIP(%rsp),%ecx - CFI_REGISTER rip,rcx -@@ -451,7 +540,7 @@ sysretl_audit: - - cstar_tracesys: - #ifdef CONFIG_AUDITSYSCALL -- testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT), ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ testl $(_TIF_WORK_SYSCALL_ENTRY & ~_TIF_SYSCALL_AUDIT),TI_flags(%r11) - jz cstar_auditsys - #endif - xchgl %r9d,%ebp -@@ -465,11 +554,19 @@ cstar_tracesys: - xchgl %ebp,%r9d - cmpq $(IA32_NR_syscalls-1),%rax - ja int_ret_from_sys_call /* cstar_tracesys has set RAX(%rsp) */ -+ -+ pax_erase_kstack -+ - jmp cstar_do_call - END(ia32_cstar_target) - - ia32_badarg: - ASM_CLAC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ASM_PAX_CLOSE_USERLAND -+#endif -+ - movq $-EFAULT,%rax - jmp ia32_sysret - CFI_ENDPROC -@@ -505,14 +602,8 @@ ENTRY(ia32_syscall) - /*CFI_REL_OFFSET cs,1*8 */ - CFI_REL_OFFSET rip,0*8 - -- /* -- * Interrupts are off on entry. -- * We do not frame this tiny irq-off block with TRACE_IRQS_OFF/ON, -- * it is too small to ever cause noticeable irq latency. -- */ - PARAVIRT_ADJUST_EXCEPTION_FRAME - SWAPGS -- ENABLE_INTERRUPTS(CLBR_NONE) - - /* Zero-extending 32-bit regs, do not remove */ - movl %eax,%eax -@@ -528,8 +619,26 @@ ENTRY(ia32_syscall) - sub $(10*8),%rsp /* pt_regs->r8-11,bp,bx,r12-15 not saved */ - CFI_ADJUST_CFA_OFFSET 10*8 - -- orl $TS_COMPAT, ASM_THREAD_INFO(TI_status, %rsp, SIZEOF_PTREGS) -- testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12 -+#endif -+ -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ -+ /* -+ * Interrupts are off on entry. -+ * We do not frame this tiny irq-off block with TRACE_IRQS_OFF/ON, -+ * it is too small to ever cause noticeable irq latency. -+ */ -+ ENABLE_INTERRUPTS(CLBR_NONE) -+ -+ GET_THREAD_INFO(%r11) -+ orl $TS_COMPAT,TI_status(%r11) -+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%r11) - jnz ia32_tracesys - cmpq $(IA32_NR_syscalls-1),%rax - ja ia32_badsys -@@ -557,6 +666,9 @@ ia32_tracesys: - RESTORE_EXTRA_REGS - cmpq $(IA32_NR_syscalls-1),%rax - ja int_ret_from_sys_call /* ia32_tracesys has set RAX(%rsp) */ -+ -+ pax_erase_kstack -+ - jmp ia32_do_call - END(ia32_syscall) - -diff --git a/arch/x86/ia32/sys_ia32.c b/arch/x86/ia32/sys_ia32.c -index 719cd70..69d576b 100644 ---- a/arch/x86/ia32/sys_ia32.c -+++ b/arch/x86/ia32/sys_ia32.c -@@ -69,8 +69,8 @@ asmlinkage long sys32_ftruncate64(unsigned int fd, unsigned long offset_low, - */ - static int cp_stat64(struct stat64 __user *ubuf, struct kstat *stat) - { -- typeof(ubuf->st_uid) uid = 0; -- typeof(ubuf->st_gid) gid = 0; -+ typeof(((struct stat64 *)0)->st_uid) uid = 0; -+ typeof(((struct stat64 *)0)->st_gid) gid = 0; - SET_UID(uid, from_kuid_munged(current_user_ns(), stat->uid)); - SET_GID(gid, from_kgid_munged(current_user_ns(), stat->gid)); - if (!access_ok(VERIFY_WRITE, ubuf, sizeof(struct stat64)) || -diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h -index bdf02ee..51a4656 100644 ---- a/arch/x86/include/asm/alternative-asm.h -+++ b/arch/x86/include/asm/alternative-asm.h -@@ -18,6 +18,45 @@ - .endm - #endif - -+#ifdef KERNEXEC_PLUGIN -+ .macro pax_force_retaddr_bts rip=0 -+ btsq $63,\rip(%rsp) -+ .endm -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS -+ .macro pax_force_retaddr rip=0, reload=0 -+ btsq $63,\rip(%rsp) -+ .endm -+ .macro pax_force_fptr ptr -+ btsq $63,\ptr -+ .endm -+ .macro pax_set_fptr_mask -+ .endm -+#endif -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ .macro pax_force_retaddr rip=0, reload=0 -+ .if \reload -+ pax_set_fptr_mask -+ .endif -+ orq %r12,\rip(%rsp) -+ .endm -+ .macro pax_force_fptr ptr -+ orq %r12,\ptr -+ .endm -+ .macro pax_set_fptr_mask -+ movabs $0x8000000000000000,%r12 -+ .endm -+#endif -+#else -+ .macro pax_force_retaddr rip=0, reload=0 -+ .endm -+ .macro pax_force_fptr ptr -+ .endm -+ .macro pax_force_retaddr_bts rip=0 -+ .endm -+ .macro pax_set_fptr_mask -+ .endm -+#endif -+ - .macro altinstruction_entry orig alt feature orig_len alt_len pad_len - .long \orig - . - .long \alt - . -@@ -38,7 +77,7 @@ - altinstruction_entry 140b,143f,\feature,142b-140b,144f-143f,142b-141b - .popsection - -- .pushsection .altinstr_replacement,"ax" -+ .pushsection .altinstr_replacement,"a" - 143: - \newinstr - 144: -@@ -68,7 +107,7 @@ - altinstruction_entry 140b,144f,\feature2,142b-140b,145f-144f,142b-141b - .popsection - -- .pushsection .altinstr_replacement,"ax" -+ .pushsection .altinstr_replacement,"a" - 143: - \newinstr1 - 144: -diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h -index ba32af0..ff42fc0 100644 ---- a/arch/x86/include/asm/alternative.h -+++ b/arch/x86/include/asm/alternative.h -@@ -130,7 +130,7 @@ static inline int alternatives_text_reserved(void *start, void *end) - ".pushsection .altinstructions,"a"\n" \ - ALTINSTR_ENTRY(feature, 1) \ - ".popsection\n" \ -- ".pushsection .altinstr_replacement, "ax"\n" \ -+ ".pushsection .altinstr_replacement, "a"\n" \ - ALTINSTR_REPLACEMENT(newinstr, feature, 1) \ - ".popsection" - -@@ -140,7 +140,7 @@ static inline int alternatives_text_reserved(void *start, void *end) - ALTINSTR_ENTRY(feature1, 1) \ - ALTINSTR_ENTRY(feature2, 2) \ - ".popsection\n" \ -- ".pushsection .altinstr_replacement, "ax"\n" \ -+ ".pushsection .altinstr_replacement, "a"\n" \ - ALTINSTR_REPLACEMENT(newinstr1, feature1, 1) \ - ALTINSTR_REPLACEMENT(newinstr2, feature2, 2) \ - ".popsection" -diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h -index 976b86a..f3bc83a 100644 ---- a/arch/x86/include/asm/apic.h -+++ b/arch/x86/include/asm/apic.h -@@ -45,7 +45,7 @@ static inline void generic_apic_probe(void) - - #ifdef CONFIG_X86_LOCAL_APIC - --extern unsigned int apic_verbosity; -+extern int apic_verbosity; - extern int local_apic_timer_c2_ok; - - extern int disable_apic; -diff --git a/arch/x86/include/asm/apm.h b/arch/x86/include/asm/apm.h -index 20370c6..a2eb9b0 100644 ---- a/arch/x86/include/asm/apm.h -+++ b/arch/x86/include/asm/apm.h -@@ -34,7 +34,7 @@ static inline void apm_bios_call_asm(u32 func, u32 ebx_in, u32 ecx_in, - __asm__ __volatile__(APM_DO_ZERO_SEGS - "pushl %%edi\n\t" - "pushl %%ebp\n\t" -- "lcall *%%cs:apm_bios_entry\n\t" -+ "lcall *%%ss:apm_bios_entry\n\t" - "setc %%al\n\t" - "popl %%ebp\n\t" - "popl %%edi\n\t" -@@ -58,7 +58,7 @@ static inline u8 apm_bios_call_simple_asm(u32 func, u32 ebx_in, - __asm__ __volatile__(APM_DO_ZERO_SEGS - "pushl %%edi\n\t" - "pushl %%ebp\n\t" -- "lcall *%%cs:apm_bios_entry\n\t" -+ "lcall *%%ss:apm_bios_entry\n\t" - "setc %%bl\n\t" - "popl %%ebp\n\t" - "popl %%edi\n\t" -diff --git a/arch/x86/include/asm/atomic.h b/arch/x86/include/asm/atomic.h -index 5e5cd12..51cdc93 100644 ---- a/arch/x86/include/asm/atomic.h -+++ b/arch/x86/include/asm/atomic.h -@@ -28,6 +28,17 @@ static inline int atomic_read(const atomic_t *v) - } - - /** -+ * atomic_read_unchecked - read atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically reads the value of @v. -+ */ -+static inline int __intentional_overflow(-1) atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return ACCESS_ONCE((v)->counter); -+} -+ -+/** - * atomic_set - set atomic variable - * @v: pointer of type atomic_t - * @i: required value -@@ -40,6 +51,18 @@ static inline void atomic_set(atomic_t *v, int i) - } - - /** -+ * atomic_set_unchecked - set atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * @i: required value -+ * -+ * Atomically sets the value of @v to @i. -+ */ -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} -+ -+/** - * atomic_add - add integer to atomic variable - * @i: integer value to add - * @v: pointer of type atomic_t -@@ -48,7 +71,29 @@ static inline void atomic_set(atomic_t *v, int i) - */ - static inline void atomic_add(int i, atomic_t *v) - { -- asm volatile(LOCK_PREFIX "addl %1,%0" -+ asm volatile(LOCK_PREFIX "addl %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "subl %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter) -+ : "ir" (i)); -+} -+ -+/** -+ * atomic_add_unchecked - add integer to atomic variable -+ * @i: integer value to add -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "addl %1,%0\n" - : "+m" (v->counter) - : "ir" (i)); - } -@@ -62,7 +107,29 @@ static inline void atomic_add(int i, atomic_t *v) - */ - static inline void atomic_sub(int i, atomic_t *v) - { -- asm volatile(LOCK_PREFIX "subl %1,%0" -+ asm volatile(LOCK_PREFIX "subl %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "addl %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter) -+ : "ir" (i)); -+} -+ -+/** -+ * atomic_sub_unchecked - subtract integer from atomic variable -+ * @i: integer value to subtract -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically subtracts @i from @v. -+ */ -+static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "subl %1,%0\n" - : "+m" (v->counter) - : "ir" (i)); - } -@@ -78,7 +145,7 @@ static inline void atomic_sub(int i, atomic_t *v) - */ - static inline int atomic_sub_and_test(int i, atomic_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "subl", v->counter, "er", i, "%0", "e"); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "subl", LOCK_PREFIX "addl", v->counter, "er", i, "%0", "e"); - } - - /** -@@ -89,7 +156,27 @@ static inline int atomic_sub_and_test(int i, atomic_t *v) - */ - static inline void atomic_inc(atomic_t *v) - { -- asm volatile(LOCK_PREFIX "incl %0" -+ asm volatile(LOCK_PREFIX "incl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "decl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter)); -+} -+ -+/** -+ * atomic_inc_unchecked - increment atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically increments @v by 1. -+ */ -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "incl %0\n" - : "+m" (v->counter)); - } - -@@ -101,7 +188,27 @@ static inline void atomic_inc(atomic_t *v) - */ - static inline void atomic_dec(atomic_t *v) - { -- asm volatile(LOCK_PREFIX "decl %0" -+ asm volatile(LOCK_PREFIX "decl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "incl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter)); -+} -+ -+/** -+ * atomic_dec_unchecked - decrement atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically decrements @v by 1. -+ */ -+static inline void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "decl %0\n" - : "+m" (v->counter)); - } - -@@ -115,7 +222,7 @@ static inline void atomic_dec(atomic_t *v) - */ - static inline int atomic_dec_and_test(atomic_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "decl", v->counter, "%0", "e"); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "decl", LOCK_PREFIX "incl", v->counter, "%0", "e"); - } - - /** -@@ -128,7 +235,20 @@ static inline int atomic_dec_and_test(atomic_t *v) - */ - static inline int atomic_inc_and_test(atomic_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "incl", v->counter, "%0", "e"); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "incl", LOCK_PREFIX "decl", v->counter, "%0", "e"); -+} -+ -+/** -+ * atomic_inc_and_test_unchecked - increment and test -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically increments @v by 1 -+ * and returns true if the result is zero, or false for all -+ * other cases. -+ */ -+static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ GEN_UNARY_RMWcc_unchecked(LOCK_PREFIX "incl", v->counter, "%0", "e"); - } - - /** -@@ -142,7 +262,7 @@ static inline int atomic_inc_and_test(atomic_t *v) - */ - static inline int atomic_add_negative(int i, atomic_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "addl", v->counter, "er", i, "%0", "s"); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "addl", LOCK_PREFIX "subl", v->counter, "er", i, "%0", "s"); - } - - /** -@@ -152,7 +272,19 @@ static inline int atomic_add_negative(int i, atomic_t *v) - * - * Atomically adds @i to @v and returns @i + @v - */ --static inline int atomic_add_return(int i, atomic_t *v) -+static inline int __intentional_overflow(-1) atomic_add_return(int i, atomic_t *v) -+{ -+ return i + xadd_check_overflow(&v->counter, i); -+} -+ -+/** -+ * atomic_add_return_unchecked - add integer and return -+ * @i: integer value to add -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically adds @i to @v and returns @i + @v -+ */ -+static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v) - { - return i + xadd(&v->counter, i); - } -@@ -164,15 +296,24 @@ static inline int atomic_add_return(int i, atomic_t *v) - * - * Atomically subtracts @i from @v and returns @v - @i - */ --static inline int atomic_sub_return(int i, atomic_t *v) -+static inline int __intentional_overflow(-1) atomic_sub_return(int i, atomic_t *v) - { - return atomic_add_return(-i, v); - } - - #define atomic_inc_return(v) (atomic_add_return(1, v)) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - #define atomic_dec_return(v) (atomic_sub_return(1, v)) - --static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -+static inline int __intentional_overflow(-1) atomic_cmpxchg(atomic_t *v, int old, int new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) - { - return cmpxchg(&v->counter, old, new); - } -@@ -182,6 +323,11 @@ static inline int atomic_xchg(atomic_t *v, int new) - return xchg(&v->counter, new); - } - -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} -+ - /** - * __atomic_add_unless - add unless the number is already a given value - * @v: pointer of type atomic_t -@@ -193,12 +339,25 @@ static inline int atomic_xchg(atomic_t *v, int new) - */ - static inline int __atomic_add_unless(atomic_t *v, int a, int u) - { -- int c, old; -+ int c, old, new; - c = atomic_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addl %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "subl %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a)); -+ -+ old = atomic_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; -@@ -207,6 +366,49 @@ static inline int __atomic_add_unless(atomic_t *v, int a, int u) - } - - /** -+ * atomic_inc_not_zero_hint - increment if not null -+ * @v: pointer of type atomic_t -+ * @hint: probable value of the atomic before the increment -+ * -+ * This version of atomic_inc_not_zero() gives a hint of probable -+ * value of the atomic. This helps processor to not read the memory -+ * before doing the atomic read/modify/write cycle, lowering -+ * number of bus transactions on some arches. -+ * -+ * Returns: 0 if increment was not done, 1 otherwise. -+ */ -+#define atomic_inc_not_zero_hint atomic_inc_not_zero_hint -+static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint) -+{ -+ int val, c = hint, new; -+ -+ /* sanity test, should be removed by compiler if hint is a constant */ -+ if (!hint) -+ return __atomic_add_unless(v, 1, 0); -+ -+ do { -+ asm volatile("incl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "decl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=r" (new) -+ : "0" (c)); -+ -+ val = atomic_cmpxchg(v, c, new); -+ if (val == c) -+ return 1; -+ c = val; -+ } while (c); -+ -+ return 0; -+} -+ -+/** - * atomic_inc_short - increment of a short integer - * @v: pointer to type int - * -@@ -220,14 +422,37 @@ static inline short int atomic_inc_short(short int *v) - } - - /* These are x86-specific, used by some header files */ --#define atomic_clear_mask(mask, addr) \ -- asm volatile(LOCK_PREFIX "andl %0,%1" \ -- : : "r" (~(mask)), "m" (*(addr)) : "memory") -+static inline void atomic_clear_mask(unsigned int mask, atomic_t *v) -+{ -+ asm volatile(LOCK_PREFIX "andl %1,%0" -+ : "+m" (v->counter) -+ : "r" (~(mask)) -+ : "memory"); -+} - --#define atomic_set_mask(mask, addr) \ -- asm volatile(LOCK_PREFIX "orl %0,%1" \ -- : : "r" ((unsigned)(mask)), "m" (*(addr)) \ -- : "memory") -+static inline void atomic_clear_mask_unchecked(unsigned int mask, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "andl %1,%0" -+ : "+m" (v->counter) -+ : "r" (~(mask)) -+ : "memory"); -+} -+ -+static inline void atomic_set_mask(unsigned int mask, atomic_t *v) -+{ -+ asm volatile(LOCK_PREFIX "orl %1,%0" -+ : "+m" (v->counter) -+ : "r" (mask) -+ : "memory"); -+} -+ -+static inline void atomic_set_mask_unchecked(unsigned int mask, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "orl %1,%0" -+ : "+m" (v->counter) -+ : "r" (mask) -+ : "memory"); -+} - - #ifdef CONFIG_X86_32 - # include <asm/atomic64_32.h> -diff --git a/arch/x86/include/asm/atomic64_32.h b/arch/x86/include/asm/atomic64_32.h -index b154de7..bf18a5a 100644 ---- a/arch/x86/include/asm/atomic64_32.h -+++ b/arch/x86/include/asm/atomic64_32.h -@@ -12,6 +12,14 @@ typedef struct { - u64 __aligned(8) counter; - } atomic64_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ u64 __aligned(8) counter; -+} atomic64_unchecked_t; -+#else -+typedef atomic64_t atomic64_unchecked_t; -+#endif -+ - #define ATOMIC64_INIT(val) { (val) } - - #define __ATOMIC64_DECL(sym) void atomic64_##sym(atomic64_t *, ...) -@@ -37,21 +45,31 @@ typedef struct { - ATOMIC64_DECL_ONE(sym##_386) - - ATOMIC64_DECL_ONE(add_386); -+ATOMIC64_DECL_ONE(add_unchecked_386); - ATOMIC64_DECL_ONE(sub_386); -+ATOMIC64_DECL_ONE(sub_unchecked_386); - ATOMIC64_DECL_ONE(inc_386); -+ATOMIC64_DECL_ONE(inc_unchecked_386); - ATOMIC64_DECL_ONE(dec_386); -+ATOMIC64_DECL_ONE(dec_unchecked_386); - #endif - - #define alternative_atomic64(f, out, in...) \ - __alternative_atomic64(f, f, ASM_OUTPUT2(out), ## in) - - ATOMIC64_DECL(read); -+ATOMIC64_DECL(read_unchecked); - ATOMIC64_DECL(set); -+ATOMIC64_DECL(set_unchecked); - ATOMIC64_DECL(xchg); - ATOMIC64_DECL(add_return); -+ATOMIC64_DECL(add_return_unchecked); - ATOMIC64_DECL(sub_return); -+ATOMIC64_DECL(sub_return_unchecked); - ATOMIC64_DECL(inc_return); -+ATOMIC64_DECL(inc_return_unchecked); - ATOMIC64_DECL(dec_return); -+ATOMIC64_DECL(dec_return_unchecked); - ATOMIC64_DECL(dec_if_positive); - ATOMIC64_DECL(inc_not_zero); - ATOMIC64_DECL(add_unless); -@@ -77,6 +95,21 @@ static inline long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n - } - - /** -+ * atomic64_cmpxchg_unchecked - cmpxchg atomic64 variable -+ * @p: pointer to type atomic64_unchecked_t -+ * @o: expected value -+ * @n: new value -+ * -+ * Atomically sets @v to @n if it was equal to @o and returns -+ * the old value. -+ */ -+ -+static inline long long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long long o, long long n) -+{ -+ return cmpxchg64(&v->counter, o, n); -+} -+ -+/** - * atomic64_xchg - xchg atomic64 variable - * @v: pointer to type atomic64_t - * @n: value to assign -@@ -112,6 +145,22 @@ static inline void atomic64_set(atomic64_t *v, long long i) - } - - /** -+ * atomic64_set_unchecked - set atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * @n: value to assign -+ * -+ * Atomically sets the value of @v to @n. -+ */ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i) -+{ -+ unsigned high = (unsigned)(i >> 32); -+ unsigned low = (unsigned)i; -+ alternative_atomic64(set, /* no output */, -+ "S" (v), "b" (low), "c" (high) -+ : "eax", "edx", "memory"); -+} -+ -+/** - * atomic64_read - read atomic64 variable - * @v: pointer to type atomic64_t - * -@@ -125,6 +174,19 @@ static inline long long atomic64_read(const atomic64_t *v) - } - - /** -+ * atomic64_read_unchecked - read atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically reads the value of @v and returns it. -+ */ -+static inline long long __intentional_overflow(-1) atomic64_read_unchecked(atomic64_unchecked_t *v) -+{ -+ long long r; -+ alternative_atomic64(read, "=&A" (r), "c" (v) : "memory"); -+ return r; -+ } -+ -+/** - * atomic64_add_return - add and return - * @i: integer value to add - * @v: pointer to type atomic64_t -@@ -139,6 +201,21 @@ static inline long long atomic64_add_return(long long i, atomic64_t *v) - return i; - } - -+/** -+ * atomic64_add_return_unchecked - add and return -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v and returns @i + *@v -+ */ -+static inline long long atomic64_add_return_unchecked(long long i, atomic64_unchecked_t *v) -+{ -+ alternative_atomic64(add_return_unchecked, -+ ASM_OUTPUT2("+A" (i), "+c" (v)), -+ ASM_NO_INPUT_CLOBBER("memory")); -+ return i; -+} -+ - /* - * Other variants with different arithmetic operators: - */ -@@ -158,6 +235,14 @@ static inline long long atomic64_inc_return(atomic64_t *v) - return a; - } - -+static inline long long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ long long a; -+ alternative_atomic64(inc_return_unchecked, "=&A" (a), -+ "S" (v) : "memory", "ecx"); -+ return a; -+} -+ - static inline long long atomic64_dec_return(atomic64_t *v) - { - long long a; -@@ -182,6 +267,21 @@ static inline long long atomic64_add(long long i, atomic64_t *v) - } - - /** -+ * atomic64_add_unchecked - add integer to atomic64 variable -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static inline long long atomic64_add_unchecked(long long i, atomic64_unchecked_t *v) -+{ -+ __alternative_atomic64(add_unchecked, add_return_unchecked, -+ ASM_OUTPUT2("+A" (i), "+c" (v)), -+ ASM_NO_INPUT_CLOBBER("memory")); -+ return i; -+} -+ -+/** - * atomic64_sub - subtract the atomic64 variable - * @i: integer value to subtract - * @v: pointer to type atomic64_t -diff --git a/arch/x86/include/asm/atomic64_64.h b/arch/x86/include/asm/atomic64_64.h -index f8d273e..02f39f3 100644 ---- a/arch/x86/include/asm/atomic64_64.h -+++ b/arch/x86/include/asm/atomic64_64.h -@@ -22,6 +22,18 @@ static inline long atomic64_read(const atomic64_t *v) - } - - /** -+ * atomic64_read_unchecked - read atomic64 variable -+ * @v: pointer of type atomic64_unchecked_t -+ * -+ * Atomically reads the value of @v. -+ * Doesn't imply a read memory barrier. -+ */ -+static inline long __intentional_overflow(-1) atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return ACCESS_ONCE((v)->counter); -+} -+ -+/** - * atomic64_set - set atomic64 variable - * @v: pointer to type atomic64_t - * @i: required value -@@ -34,6 +46,18 @@ static inline void atomic64_set(atomic64_t *v, long i) - } - - /** -+ * atomic64_set_unchecked - set atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * @i: required value -+ * -+ * Atomically sets the value of @v to @i. -+ */ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ v->counter = i; -+} -+ -+/** - * atomic64_add - add integer to atomic64 variable - * @i: integer value to add - * @v: pointer to type atomic64_t -@@ -42,6 +66,28 @@ static inline void atomic64_set(atomic64_t *v, long i) - */ - static inline void atomic64_add(long i, atomic64_t *v) - { -+ asm volatile(LOCK_PREFIX "addq %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "subq %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "er" (i), "m" (v->counter)); -+} -+ -+/** -+ * atomic64_add_unchecked - add integer to atomic64 variable -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static inline void atomic64_add_unchecked(long i, atomic64_unchecked_t *v) -+{ - asm volatile(LOCK_PREFIX "addq %1,%0" - : "=m" (v->counter) - : "er" (i), "m" (v->counter)); -@@ -56,7 +102,29 @@ static inline void atomic64_add(long i, atomic64_t *v) - */ - static inline void atomic64_sub(long i, atomic64_t *v) - { -- asm volatile(LOCK_PREFIX "subq %1,%0" -+ asm volatile(LOCK_PREFIX "subq %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "addq %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "er" (i), "m" (v->counter)); -+} -+ -+/** -+ * atomic64_sub_unchecked - subtract the atomic64 variable -+ * @i: integer value to subtract -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically subtracts @i from @v. -+ */ -+static inline void atomic64_sub_unchecked(long i, atomic64_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "subq %1,%0\n" - : "=m" (v->counter) - : "er" (i), "m" (v->counter)); - } -@@ -72,7 +140,7 @@ static inline void atomic64_sub(long i, atomic64_t *v) - */ - static inline int atomic64_sub_and_test(long i, atomic64_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "subq", v->counter, "er", i, "%0", "e"); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "subq", LOCK_PREFIX "addq", v->counter, "er", i, "%0", "e"); - } - - /** -@@ -83,6 +151,27 @@ static inline int atomic64_sub_and_test(long i, atomic64_t *v) - */ - static inline void atomic64_inc(atomic64_t *v) - { -+ asm volatile(LOCK_PREFIX "incq %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "decq %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "m" (v->counter)); -+} -+ -+/** -+ * atomic64_inc_unchecked - increment atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically increments @v by 1. -+ */ -+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ - asm volatile(LOCK_PREFIX "incq %0" - : "=m" (v->counter) - : "m" (v->counter)); -@@ -96,7 +185,28 @@ static inline void atomic64_inc(atomic64_t *v) - */ - static inline void atomic64_dec(atomic64_t *v) - { -- asm volatile(LOCK_PREFIX "decq %0" -+ asm volatile(LOCK_PREFIX "decq %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "incq %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "m" (v->counter)); -+} -+ -+/** -+ * atomic64_dec_unchecked - decrement atomic64 variable -+ * @v: pointer to type atomic64_t -+ * -+ * Atomically decrements @v by 1. -+ */ -+static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "decq %0\n" - : "=m" (v->counter) - : "m" (v->counter)); - } -@@ -111,7 +221,7 @@ static inline void atomic64_dec(atomic64_t *v) - */ - static inline int atomic64_dec_and_test(atomic64_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "decq", v->counter, "%0", "e"); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "decq", LOCK_PREFIX "incq", v->counter, "%0", "e"); - } - - /** -@@ -124,7 +234,7 @@ static inline int atomic64_dec_and_test(atomic64_t *v) - */ - static inline int atomic64_inc_and_test(atomic64_t *v) - { -- GEN_UNARY_RMWcc(LOCK_PREFIX "incq", v->counter, "%0", "e"); -+ GEN_UNARY_RMWcc(LOCK_PREFIX "incq", LOCK_PREFIX "decq", v->counter, "%0", "e"); - } - - /** -@@ -138,7 +248,7 @@ static inline int atomic64_inc_and_test(atomic64_t *v) - */ - static inline int atomic64_add_negative(long i, atomic64_t *v) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "addq", v->counter, "er", i, "%0", "s"); -+ GEN_BINARY_RMWcc(LOCK_PREFIX "addq", LOCK_PREFIX "subq", v->counter, "er", i, "%0", "s"); - } - - /** -@@ -150,6 +260,18 @@ static inline int atomic64_add_negative(long i, atomic64_t *v) - */ - static inline long atomic64_add_return(long i, atomic64_t *v) - { -+ return i + xadd_check_overflow(&v->counter, i); -+} -+ -+/** -+ * atomic64_add_return_unchecked - add and return -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v and returns @i + @v -+ */ -+static inline long atomic64_add_return_unchecked(long i, atomic64_unchecked_t *v) -+{ - return i + xadd(&v->counter, i); - } - -@@ -159,6 +281,10 @@ static inline long atomic64_sub_return(long i, atomic64_t *v) - } - - #define atomic64_inc_return(v) (atomic64_add_return(1, (v))) -+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ return atomic64_add_return_unchecked(1, v); -+} - #define atomic64_dec_return(v) (atomic64_sub_return(1, (v))) - - static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new) -@@ -166,6 +292,11 @@ static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new) - return cmpxchg(&v->counter, old, new); - } - -+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, long new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ - static inline long atomic64_xchg(atomic64_t *v, long new) - { - return xchg(&v->counter, new); -@@ -182,17 +313,30 @@ static inline long atomic64_xchg(atomic64_t *v, long new) - */ - static inline int atomic64_add_unless(atomic64_t *v, long a, long u) - { -- long c, old; -+ long c, old, new; - c = atomic64_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic64_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("add %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "sub %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a)); -+ -+ old = atomic64_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; - } -- return c != (u); -+ return c != u; - } - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -diff --git a/arch/x86/include/asm/barrier.h b/arch/x86/include/asm/barrier.h -index 959e45b..6ea9bf6 100644 ---- a/arch/x86/include/asm/barrier.h -+++ b/arch/x86/include/asm/barrier.h -@@ -57,7 +57,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -@@ -74,7 +74,7 @@ do { \ - do { \ - compiletime_assert_atomic_type(*p); \ - barrier(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h -index cfe3b95..d01b118 100644 ---- a/arch/x86/include/asm/bitops.h -+++ b/arch/x86/include/asm/bitops.h -@@ -50,7 +50,7 @@ - * a mask operation on a byte. - */ - #define IS_IMMEDIATE(nr) (__builtin_constant_p(nr)) --#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((void *)(addr) + ((nr)>>3)) -+#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((volatile void *)(addr) + ((nr)>>3)) - #define CONST_MASK(nr) (1 << ((nr) & 7)) - - /** -@@ -203,7 +203,7 @@ static inline void change_bit(long nr, volatile unsigned long *addr) - */ - static inline int test_and_set_bit(long nr, volatile unsigned long *addr) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "bts", *addr, "Ir", nr, "%0", "c"); -+ GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "bts", *addr, "Ir", nr, "%0", "c"); - } - - /** -@@ -249,7 +249,7 @@ static inline int __test_and_set_bit(long nr, volatile unsigned long *addr) - */ - static inline int test_and_clear_bit(long nr, volatile unsigned long *addr) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "btr", *addr, "Ir", nr, "%0", "c"); -+ GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "btr", *addr, "Ir", nr, "%0", "c"); - } - - /** -@@ -302,7 +302,7 @@ static inline int __test_and_change_bit(long nr, volatile unsigned long *addr) - */ - static inline int test_and_change_bit(long nr, volatile unsigned long *addr) - { -- GEN_BINARY_RMWcc(LOCK_PREFIX "btc", *addr, "Ir", nr, "%0", "c"); -+ GEN_BINARY_RMWcc_unchecked(LOCK_PREFIX "btc", *addr, "Ir", nr, "%0", "c"); - } - - static __always_inline int constant_test_bit(long nr, const volatile unsigned long *addr) -@@ -343,7 +343,7 @@ static int test_bit(int nr, const volatile unsigned long *addr); - * - * Undefined if no bit exists, so code should check against 0 first. - */ --static inline unsigned long __ffs(unsigned long word) -+static inline unsigned long __intentional_overflow(-1) __ffs(unsigned long word) - { - asm("rep; bsf %1,%0" - : "=r" (word) -@@ -357,7 +357,7 @@ static inline unsigned long __ffs(unsigned long word) - * - * Undefined if no zero exists, so code should check against ~0UL first. - */ --static inline unsigned long ffz(unsigned long word) -+static inline unsigned long __intentional_overflow(-1) ffz(unsigned long word) - { - asm("rep; bsf %1,%0" - : "=r" (word) -@@ -371,7 +371,7 @@ static inline unsigned long ffz(unsigned long word) - * - * Undefined if no set bit exists, so code should check against 0 first. - */ --static inline unsigned long __fls(unsigned long word) -+static inline unsigned long __intentional_overflow(-1) __fls(unsigned long word) - { - asm("bsr %1,%0" - : "=r" (word) -@@ -434,7 +434,7 @@ static inline int ffs(int x) - * set bit if value is nonzero. The last (most significant) bit is - * at position 32. - */ --static inline int fls(int x) -+static inline int __intentional_overflow(-1) fls(int x) - { - int r; - -@@ -476,7 +476,7 @@ static inline int fls(int x) - * at position 64. - */ - #ifdef CONFIG_X86_64 --static __always_inline int fls64(__u64 x) -+static __always_inline __intentional_overflow(-1) int fls64(__u64 x) - { - int bitpos = -1; - /* -diff --git a/arch/x86/include/asm/boot.h b/arch/x86/include/asm/boot.h -index 4fa687a..60f2d39 100644 ---- a/arch/x86/include/asm/boot.h -+++ b/arch/x86/include/asm/boot.h -@@ -6,10 +6,15 @@ - #include <uapi/asm/boot.h> - - /* Physical address where kernel should be loaded. */ --#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ -+#define ____LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ - + (CONFIG_PHYSICAL_ALIGN - 1)) \ - & ~(CONFIG_PHYSICAL_ALIGN - 1)) - -+#ifndef __ASSEMBLY__ -+extern unsigned char __LOAD_PHYSICAL_ADDR[]; -+#define LOAD_PHYSICAL_ADDR ((unsigned long)__LOAD_PHYSICAL_ADDR) -+#endif -+ - /* Minimum kernel alignment, as a power of two */ - #ifdef CONFIG_X86_64 - #define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT -diff --git a/arch/x86/include/asm/cache.h b/arch/x86/include/asm/cache.h -index 48f99f1..d78ebf9 100644 ---- a/arch/x86/include/asm/cache.h -+++ b/arch/x86/include/asm/cache.h -@@ -5,12 +5,13 @@ - - /* L1 cache line size */ - #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) -+#define __read_only __attribute__((__section__(".data..read_only"))) - - #define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT --#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT) -+#define INTERNODE_CACHE_BYTES (_AC(1,UL) << INTERNODE_CACHE_SHIFT) - - #ifdef CONFIG_X86_VSMP - #ifdef CONFIG_SMP -diff --git a/arch/x86/include/asm/calling.h b/arch/x86/include/asm/calling.h -index 1c8b50e..166bcaa 100644 ---- a/arch/x86/include/asm/calling.h -+++ b/arch/x86/include/asm/calling.h -@@ -96,23 +96,26 @@ For 32-bit we have the following conventions - kernel is built with - .endm - - .macro SAVE_C_REGS_HELPER offset=0 rax=1 rcx=1 r8910=1 r11=1 -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12+\offset -+#endif - .if \r11 -- movq_cfi r11, 6*8+\offset -+ movq_cfi r11, R11+\offset - .endif - .if \r8910 -- movq_cfi r10, 7*8+\offset -- movq_cfi r9, 8*8+\offset -- movq_cfi r8, 9*8+\offset -+ movq_cfi r10, R10+\offset -+ movq_cfi r9, R9+\offset -+ movq_cfi r8, R8+\offset - .endif - .if \rax -- movq_cfi rax, 10*8+\offset -+ movq_cfi rax, RAX+\offset - .endif - .if \rcx -- movq_cfi rcx, 11*8+\offset -+ movq_cfi rcx, RCX+\offset - .endif -- movq_cfi rdx, 12*8+\offset -- movq_cfi rsi, 13*8+\offset -- movq_cfi rdi, 14*8+\offset -+ movq_cfi rdx, RDX+\offset -+ movq_cfi rsi, RSI+\offset -+ movq_cfi rdi, RDI+\offset - .endm - .macro SAVE_C_REGS offset=0 - SAVE_C_REGS_HELPER \offset, 1, 1, 1, 1 -@@ -131,76 +134,87 @@ For 32-bit we have the following conventions - kernel is built with - .endm - - .macro SAVE_EXTRA_REGS offset=0 -- movq_cfi r15, 0*8+\offset -- movq_cfi r14, 1*8+\offset -- movq_cfi r13, 2*8+\offset -- movq_cfi r12, 3*8+\offset -- movq_cfi rbp, 4*8+\offset -- movq_cfi rbx, 5*8+\offset -+ movq_cfi r15, R15+\offset -+ movq_cfi r14, R14+\offset -+ movq_cfi r13, R13+\offset -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12+\offset -+#endif -+ movq_cfi rbp, RBP+\offset -+ movq_cfi rbx, RBX+\offset - .endm - .macro SAVE_EXTRA_REGS_RBP offset=0 -- movq_cfi rbp, 4*8+\offset -+ movq_cfi rbp, RBP+\offset - .endm - - .macro RESTORE_EXTRA_REGS offset=0 -- movq_cfi_restore 0*8+\offset, r15 -- movq_cfi_restore 1*8+\offset, r14 -- movq_cfi_restore 2*8+\offset, r13 -- movq_cfi_restore 3*8+\offset, r12 -- movq_cfi_restore 4*8+\offset, rbp -- movq_cfi_restore 5*8+\offset, rbx -+ movq_cfi_restore R15+\offset, r15 -+ movq_cfi_restore R14+\offset, r14 -+ movq_cfi_restore R13+\offset, r13 -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi_restore R12+\offset, r12 -+#endif -+ movq_cfi_restore RBP+\offset, rbp -+ movq_cfi_restore RBX+\offset, rbx - .endm - - .macro ZERO_EXTRA_REGS - xorl %r15d, %r15d - xorl %r14d, %r14d - xorl %r13d, %r13d -+#ifndef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR - xorl %r12d, %r12d -+#endif - xorl %ebp, %ebp - xorl %ebx, %ebx - .endm - -- .macro RESTORE_C_REGS_HELPER rstor_rax=1, rstor_rcx=1, rstor_r11=1, rstor_r8910=1, rstor_rdx=1 -+ .macro RESTORE_C_REGS_HELPER rstor_rax=1, rstor_rcx=1, rstor_r11=1, rstor_r8910=1, rstor_rdx=1, rstor_r12=1 -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ .if \rstor_r12 -+ movq_cfi_restore R12, r12 -+ .endif -+#endif - .if \rstor_r11 -- movq_cfi_restore 6*8, r11 -+ movq_cfi_restore R11, r11 - .endif - .if \rstor_r8910 -- movq_cfi_restore 7*8, r10 -- movq_cfi_restore 8*8, r9 -- movq_cfi_restore 9*8, r8 -+ movq_cfi_restore R10, r10 -+ movq_cfi_restore R9, r9 -+ movq_cfi_restore R8, r8 - .endif - .if \rstor_rax -- movq_cfi_restore 10*8, rax -+ movq_cfi_restore RAX, rax - .endif - .if \rstor_rcx -- movq_cfi_restore 11*8, rcx -+ movq_cfi_restore RCX, rcx - .endif - .if \rstor_rdx -- movq_cfi_restore 12*8, rdx -+ movq_cfi_restore RDX, rdx - .endif -- movq_cfi_restore 13*8, rsi -- movq_cfi_restore 14*8, rdi -+ movq_cfi_restore RSI, rsi -+ movq_cfi_restore RDI, rdi - .endm - .macro RESTORE_C_REGS -- RESTORE_C_REGS_HELPER 1,1,1,1,1 -+ RESTORE_C_REGS_HELPER 1,1,1,1,1,1 - .endm - .macro RESTORE_C_REGS_EXCEPT_RAX -- RESTORE_C_REGS_HELPER 0,1,1,1,1 -+ RESTORE_C_REGS_HELPER 0,1,1,1,1,0 - .endm - .macro RESTORE_C_REGS_EXCEPT_RCX -- RESTORE_C_REGS_HELPER 1,0,1,1,1 -+ RESTORE_C_REGS_HELPER 1,0,1,1,1,0 - .endm - .macro RESTORE_C_REGS_EXCEPT_R11 -- RESTORE_C_REGS_HELPER 1,1,0,1,1 -+ RESTORE_C_REGS_HELPER 1,1,0,1,1,1 - .endm - .macro RESTORE_C_REGS_EXCEPT_RCX_R11 -- RESTORE_C_REGS_HELPER 1,0,0,1,1 -+ RESTORE_C_REGS_HELPER 1,0,0,1,1,1 - .endm - .macro RESTORE_RSI_RDI -- RESTORE_C_REGS_HELPER 0,0,0,0,0 -+ RESTORE_C_REGS_HELPER 0,0,0,0,0,1 - .endm - .macro RESTORE_RSI_RDI_RDX -- RESTORE_C_REGS_HELPER 0,0,0,0,1 -+ RESTORE_C_REGS_HELPER 0,0,0,0,1,1 - .endm - - .macro REMOVE_PT_GPREGS_FROM_STACK addskip=0 -diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h -index f50de69..2b0a458 100644 ---- a/arch/x86/include/asm/checksum_32.h -+++ b/arch/x86/include/asm/checksum_32.h -@@ -31,6 +31,14 @@ asmlinkage __wsum csum_partial_copy_generic(const void *src, void *dst, - int len, __wsum sum, - int *src_err_ptr, int *dst_err_ptr); - -+asmlinkage __wsum csum_partial_copy_generic_to_user(const void *src, void *dst, -+ int len, __wsum sum, -+ int *src_err_ptr, int *dst_err_ptr); -+ -+asmlinkage __wsum csum_partial_copy_generic_from_user(const void *src, void *dst, -+ int len, __wsum sum, -+ int *src_err_ptr, int *dst_err_ptr); -+ - /* - * Note: when you get a NULL pointer exception here this means someone - * passed in an incorrect kernel address to one of these functions. -@@ -53,7 +61,7 @@ static inline __wsum csum_partial_copy_from_user(const void __user *src, - - might_sleep(); - stac(); -- ret = csum_partial_copy_generic((__force void *)src, dst, -+ ret = csum_partial_copy_generic_from_user((__force void *)src, dst, - len, sum, err_ptr, NULL); - clac(); - -@@ -187,7 +195,7 @@ static inline __wsum csum_and_copy_to_user(const void *src, - might_sleep(); - if (access_ok(VERIFY_WRITE, dst, len)) { - stac(); -- ret = csum_partial_copy_generic(src, (__force void *)dst, -+ ret = csum_partial_copy_generic_to_user(src, (__force void *)dst, - len, sum, NULL, err_ptr); - clac(); - return ret; -diff --git a/arch/x86/include/asm/cmpxchg.h b/arch/x86/include/asm/cmpxchg.h -index 99c105d7..2f667ac 100644 ---- a/arch/x86/include/asm/cmpxchg.h -+++ b/arch/x86/include/asm/cmpxchg.h -@@ -16,8 +16,12 @@ extern void __cmpxchg_wrong_size(void) - __compiletime_error("Bad argument size for cmpxchg"); - extern void __xadd_wrong_size(void) - __compiletime_error("Bad argument size for xadd"); -+extern void __xadd_check_overflow_wrong_size(void) -+ __compiletime_error("Bad argument size for xadd_check_overflow"); - extern void __add_wrong_size(void) - __compiletime_error("Bad argument size for add"); -+extern void __add_check_overflow_wrong_size(void) -+ __compiletime_error("Bad argument size for add_check_overflow"); - - /* - * Constants for operation sizes. On 32-bit, the 64-bit size it set to -@@ -69,6 +73,38 @@ extern void __add_wrong_size(void) - __ret; \ - }) - -+#ifdef CONFIG_PAX_REFCOUNT -+#define __xchg_op_check_overflow(ptr, arg, op, lock) \ -+ ({ \ -+ __typeof__ (*(ptr)) __ret = (arg); \ -+ switch (sizeof(*(ptr))) { \ -+ case __X86_CASE_L: \ -+ asm volatile (lock #op "l %0, %1\n" \ -+ "jno 0f\n" \ -+ "mov %0,%1\n" \ -+ "int $4\n0:\n" \ -+ _ASM_EXTABLE(0b, 0b) \ -+ : "+r" (__ret), "+m" (*(ptr)) \ -+ : : "memory", "cc"); \ -+ break; \ -+ case __X86_CASE_Q: \ -+ asm volatile (lock #op "q %q0, %1\n" \ -+ "jno 0f\n" \ -+ "mov %0,%1\n" \ -+ "int $4\n0:\n" \ -+ _ASM_EXTABLE(0b, 0b) \ -+ : "+r" (__ret), "+m" (*(ptr)) \ -+ : : "memory", "cc"); \ -+ break; \ -+ default: \ -+ __ ## op ## _check_overflow_wrong_size(); \ -+ } \ -+ __ret; \ -+ }) -+#else -+#define __xchg_op_check_overflow(ptr, arg, op, lock) __xchg_op(ptr, arg, op, lock) -+#endif -+ - /* - * Note: no "lock" prefix even on SMP: xchg always implies lock anyway. - * Since this is generally used to protect other memory information, we -@@ -167,6 +203,9 @@ extern void __add_wrong_size(void) - #define xadd_sync(ptr, inc) __xadd((ptr), (inc), "lock; ") - #define xadd_local(ptr, inc) __xadd((ptr), (inc), "") - -+#define __xadd_check_overflow(ptr, inc, lock) __xchg_op_check_overflow((ptr), (inc), xadd, lock) -+#define xadd_check_overflow(ptr, inc) __xadd_check_overflow((ptr), (inc), LOCK_PREFIX) -+ - #define __add(ptr, inc, lock) \ - ({ \ - __typeof__ (*(ptr)) __ret = (inc); \ -diff --git a/arch/x86/include/asm/compat.h b/arch/x86/include/asm/compat.h -index acdee09..a553db3 100644 ---- a/arch/x86/include/asm/compat.h -+++ b/arch/x86/include/asm/compat.h -@@ -41,7 +41,7 @@ typedef s64 __attribute__((aligned(4))) compat_s64; - typedef u32 compat_uint_t; - typedef u32 compat_ulong_t; - typedef u64 __attribute__((aligned(4))) compat_u64; --typedef u32 compat_uptr_t; -+typedef u32 __user compat_uptr_t; - - struct compat_timespec { - compat_time_t tv_sec; -diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h -index 3d6606f..300641d 100644 ---- a/arch/x86/include/asm/cpufeature.h -+++ b/arch/x86/include/asm/cpufeature.h -@@ -214,7 +214,8 @@ - #define X86_FEATURE_PAUSEFILTER ( 8*32+13) /* AMD filtered pause intercept */ - #define X86_FEATURE_PFTHRESHOLD ( 8*32+14) /* AMD pause filter threshold */ - #define X86_FEATURE_VMMCALL ( 8*32+15) /* Prefer vmmcall to vmcall */ -- -+#define X86_FEATURE_PCIDUDEREF ( 8*32+30) /* PaX PCID based UDEREF */ -+#define X86_FEATURE_STRONGUDEREF (8*32+31) /* PaX PCID based strong UDEREF */ - - /* Intel-defined CPU features, CPUID level 0x00000007:0 (ebx), word 9 */ - #define X86_FEATURE_FSGSBASE ( 9*32+ 0) /* {RD/WR}{FS/GS}BASE instructions*/ -@@ -222,7 +223,7 @@ - #define X86_FEATURE_BMI1 ( 9*32+ 3) /* 1st group bit manipulation extensions */ - #define X86_FEATURE_HLE ( 9*32+ 4) /* Hardware Lock Elision */ - #define X86_FEATURE_AVX2 ( 9*32+ 5) /* AVX2 instructions */ --#define X86_FEATURE_SMEP ( 9*32+ 7) /* Supervisor Mode Execution Protection */ -+#define X86_FEATURE_SMEP ( 9*32+ 7) /* Supervisor Mode Execution Prevention */ - #define X86_FEATURE_BMI2 ( 9*32+ 8) /* 2nd group bit manipulation extensions */ - #define X86_FEATURE_ERMS ( 9*32+ 9) /* Enhanced REP MOVSB/STOSB */ - #define X86_FEATURE_INVPCID ( 9*32+10) /* Invalidate Processor Context ID */ -@@ -401,6 +402,7 @@ extern const char * const x86_bug_flags[NBUGINTS*32]; - #define cpu_has_eager_fpu boot_cpu_has(X86_FEATURE_EAGER_FPU) - #define cpu_has_topoext boot_cpu_has(X86_FEATURE_TOPOEXT) - #define cpu_has_bpext boot_cpu_has(X86_FEATURE_BPEXT) -+#define cpu_has_pcid boot_cpu_has(X86_FEATURE_PCID) - - #if __GNUC__ >= 4 - extern void warn_pre_alternatives(void); -@@ -454,7 +456,8 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) - - #ifdef CONFIG_X86_DEBUG_STATIC_CPU_HAS - t_warn: -- warn_pre_alternatives(); -+ if (bit != X86_FEATURE_PCID && bit != X86_FEATURE_INVPCID && bit != X86_FEATURE_PCIDUDEREF) -+ warn_pre_alternatives(); - return false; - #endif - -@@ -475,7 +478,7 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) - ".section .discard,"aw",@progbits\n" - " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */ - ".previous\n" -- ".section .altinstr_replacement,"ax"\n" -+ ".section .altinstr_replacement,"a"\n" - "3: movb $1,%0\n" - "4:\n" - ".previous\n" -@@ -510,7 +513,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit) - " .byte 5f - 4f\n" /* repl len */ - " .byte 3b - 2b\n" /* pad len */ - ".previous\n" -- ".section .altinstr_replacement,"ax"\n" -+ ".section .altinstr_replacement,"a"\n" - "4: jmp %l[t_no]\n" - "5:\n" - ".previous\n" -@@ -545,7 +548,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit) - ".section .discard,"aw",@progbits\n" - " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */ - ".previous\n" -- ".section .altinstr_replacement,"ax"\n" -+ ".section .altinstr_replacement,"a"\n" - "3: movb $0,%0\n" - "4:\n" - ".previous\n" -@@ -560,7 +563,7 @@ static __always_inline __pure bool _static_cpu_has_safe(u16 bit) - ".section .discard,"aw",@progbits\n" - " .byte 0xff + (6f-5f) - (4b-3b)\n" /* size check */ - ".previous\n" -- ".section .altinstr_replacement,"ax"\n" -+ ".section .altinstr_replacement,"a"\n" - "5: movb $1,%0\n" - "6:\n" - ".previous\n" -diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h -index a0bf89f..56f0b2a 100644 ---- a/arch/x86/include/asm/desc.h -+++ b/arch/x86/include/asm/desc.h -@@ -4,6 +4,7 @@ - #include <asm/desc_defs.h> - #include <asm/ldt.h> - #include <asm/mmu.h> -+#include <asm/pgtable.h> - - #include <linux/smp.h> - #include <linux/percpu.h> -@@ -17,6 +18,7 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in - - desc->type = (info->read_exec_only ^ 1) << 1; - desc->type |= info->contents << 2; -+ desc->type |= info->seg_not_present ^ 1; - - desc->s = 1; - desc->dpl = 0x3; -@@ -35,19 +37,14 @@ static inline void fill_ldt(struct desc_struct *desc, const struct user_desc *in - } - - extern struct desc_ptr idt_descr; --extern gate_desc idt_table[]; --extern struct desc_ptr debug_idt_descr; --extern gate_desc debug_idt_table[]; -- --struct gdt_page { -- struct desc_struct gdt[GDT_ENTRIES]; --} __attribute__((aligned(PAGE_SIZE))); -- --DECLARE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page); -+extern gate_desc idt_table[IDT_ENTRIES]; -+extern const struct desc_ptr debug_idt_descr; -+extern gate_desc debug_idt_table[IDT_ENTRIES]; - -+extern struct desc_struct cpu_gdt_table[NR_CPUS][PAGE_SIZE / sizeof(struct desc_struct)]; - static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu) - { -- return per_cpu(gdt_page, cpu).gdt; -+ return cpu_gdt_table[cpu]; - } - - #ifdef CONFIG_X86_64 -@@ -72,8 +69,14 @@ static inline void pack_gate(gate_desc *gate, unsigned char type, - unsigned long base, unsigned dpl, unsigned flags, - unsigned short seg) - { -- gate->a = (seg << 16) | (base & 0xffff); -- gate->b = (base & 0xffff0000) | (((0x80 | type | (dpl << 5)) & 0xff) << 8); -+ gate->gate.offset_low = base; -+ gate->gate.seg = seg; -+ gate->gate.reserved = 0; -+ gate->gate.type = type; -+ gate->gate.s = 0; -+ gate->gate.dpl = dpl; -+ gate->gate.p = 1; -+ gate->gate.offset_high = base >> 16; - } - - #endif -@@ -118,12 +121,16 @@ static inline void paravirt_free_ldt(struct desc_struct *ldt, unsigned entries) - - static inline void native_write_idt_entry(gate_desc *idt, int entry, const gate_desc *gate) - { -+ pax_open_kernel(); - memcpy(&idt[entry], gate, sizeof(*gate)); -+ pax_close_kernel(); - } - - static inline void native_write_ldt_entry(struct desc_struct *ldt, int entry, const void *desc) - { -+ pax_open_kernel(); - memcpy(&ldt[entry], desc, 8); -+ pax_close_kernel(); - } - - static inline void -@@ -137,7 +144,9 @@ native_write_gdt_entry(struct desc_struct *gdt, int entry, const void *desc, int - default: size = sizeof(*gdt); break; - } - -+ pax_open_kernel(); - memcpy(&gdt[entry], desc, size); -+ pax_close_kernel(); - } - - static inline void pack_descriptor(struct desc_struct *desc, unsigned long base, -@@ -210,7 +219,9 @@ static inline void native_set_ldt(const void *addr, unsigned int entries) - - static inline void native_load_tr_desc(void) - { -+ pax_open_kernel(); - asm volatile("ltr %w0"::"q" (GDT_ENTRY_TSS*8)); -+ pax_close_kernel(); - } - - static inline void native_load_gdt(const struct desc_ptr *dtr) -@@ -247,8 +258,10 @@ static inline void native_load_tls(struct thread_struct *t, unsigned int cpu) - struct desc_struct *gdt = get_cpu_gdt_table(cpu); - unsigned int i; - -+ pax_open_kernel(); - for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++) - gdt[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i]; -+ pax_close_kernel(); - } - - /* This intentionally ignores lm, since 32-bit apps don't have that field. */ -@@ -295,7 +308,7 @@ static inline void load_LDT(mm_context_t *pc) - preempt_enable(); - } - --static inline unsigned long get_desc_base(const struct desc_struct *desc) -+static inline unsigned long __intentional_overflow(-1) get_desc_base(const struct desc_struct *desc) - { - return (unsigned)(desc->base0 | ((desc->base1) << 16) | ((desc->base2) << 24)); - } -@@ -319,7 +332,7 @@ static inline void set_desc_limit(struct desc_struct *desc, unsigned long limit) - } - - #ifdef CONFIG_X86_64 --static inline void set_nmi_gate(int gate, void *addr) -+static inline void set_nmi_gate(int gate, const void *addr) - { - gate_desc s; - -@@ -329,14 +342,14 @@ static inline void set_nmi_gate(int gate, void *addr) - #endif - - #ifdef CONFIG_TRACING --extern struct desc_ptr trace_idt_descr; --extern gate_desc trace_idt_table[]; -+extern const struct desc_ptr trace_idt_descr; -+extern gate_desc trace_idt_table[IDT_ENTRIES]; - static inline void write_trace_idt_entry(int entry, const gate_desc *gate) - { - write_idt_entry(trace_idt_table, entry, gate); - } - --static inline void _trace_set_gate(int gate, unsigned type, void *addr, -+static inline void _trace_set_gate(int gate, unsigned type, const void *addr, - unsigned dpl, unsigned ist, unsigned seg) - { - gate_desc s; -@@ -356,7 +369,7 @@ static inline void write_trace_idt_entry(int entry, const gate_desc *gate) - #define _trace_set_gate(gate, type, addr, dpl, ist, seg) - #endif - --static inline void _set_gate(int gate, unsigned type, void *addr, -+static inline void _set_gate(int gate, unsigned type, const void *addr, - unsigned dpl, unsigned ist, unsigned seg) - { - gate_desc s; -@@ -379,14 +392,14 @@ static inline void _set_gate(int gate, unsigned type, void *addr, - #define set_intr_gate_notrace(n, addr) \ - do { \ - BUG_ON((unsigned)n > 0xFF); \ -- _set_gate(n, GATE_INTERRUPT, (void *)addr, 0, 0, \ -+ _set_gate(n, GATE_INTERRUPT, (const void *)addr, 0, 0, \ - __KERNEL_CS); \ - } while (0) - - #define set_intr_gate(n, addr) \ - do { \ - set_intr_gate_notrace(n, addr); \ -- _trace_set_gate(n, GATE_INTERRUPT, (void *)trace_##addr,\ -+ _trace_set_gate(n, GATE_INTERRUPT, (const void *)trace_##addr,\ - 0, 0, __KERNEL_CS); \ - } while (0) - -@@ -414,19 +427,19 @@ static inline void alloc_system_vector(int vector) - /* - * This routine sets up an interrupt gate at directory privilege level 3. - */ --static inline void set_system_intr_gate(unsigned int n, void *addr) -+static inline void set_system_intr_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0x3, 0, __KERNEL_CS); - } - --static inline void set_system_trap_gate(unsigned int n, void *addr) -+static inline void set_system_trap_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_TRAP, addr, 0x3, 0, __KERNEL_CS); - } - --static inline void set_trap_gate(unsigned int n, void *addr) -+static inline void set_trap_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_TRAP, addr, 0, 0, __KERNEL_CS); -@@ -435,16 +448,16 @@ static inline void set_trap_gate(unsigned int n, void *addr) - static inline void set_task_gate(unsigned int n, unsigned int gdt_entry) - { - BUG_ON((unsigned)n > 0xFF); -- _set_gate(n, GATE_TASK, (void *)0, 0, 0, (gdt_entry<<3)); -+ _set_gate(n, GATE_TASK, (const void *)0, 0, 0, (gdt_entry<<3)); - } - --static inline void set_intr_gate_ist(int n, void *addr, unsigned ist) -+static inline void set_intr_gate_ist(int n, const void *addr, unsigned ist) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0, ist, __KERNEL_CS); - } - --static inline void set_system_intr_gate_ist(int n, void *addr, unsigned ist) -+static inline void set_system_intr_gate_ist(int n, const void *addr, unsigned ist) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0x3, ist, __KERNEL_CS); -@@ -516,4 +529,17 @@ static inline void load_current_idt(void) - else - load_idt((const struct desc_ptr *)&idt_descr); - } -+ -+#ifdef CONFIG_X86_32 -+static inline void set_user_cs(unsigned long base, unsigned long limit, int cpu) -+{ -+ struct desc_struct d; -+ -+ if (likely(limit)) -+ limit = (limit - 1UL) >> PAGE_SHIFT; -+ pack_descriptor(&d, base, limit, 0xFB, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_DEFAULT_USER_CS, &d, DESCTYPE_S); -+} -+#endif -+ - #endif /* _ASM_X86_DESC_H */ -diff --git a/arch/x86/include/asm/desc_defs.h b/arch/x86/include/asm/desc_defs.h -index 278441f..b95a174 100644 ---- a/arch/x86/include/asm/desc_defs.h -+++ b/arch/x86/include/asm/desc_defs.h -@@ -31,6 +31,12 @@ struct desc_struct { - unsigned base1: 8, type: 4, s: 1, dpl: 2, p: 1; - unsigned limit: 4, avl: 1, l: 1, d: 1, g: 1, base2: 8; - }; -+ struct { -+ u16 offset_low; -+ u16 seg; -+ unsigned reserved: 8, type: 4, s: 1, dpl: 2, p: 1; -+ unsigned offset_high: 16; -+ } gate; - }; - } __attribute__((packed)); - -diff --git a/arch/x86/include/asm/div64.h b/arch/x86/include/asm/div64.h -index ced283a..ffe04cc 100644 ---- a/arch/x86/include/asm/div64.h -+++ b/arch/x86/include/asm/div64.h -@@ -39,7 +39,7 @@ - __mod; \ - }) - --static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) -+static inline u64 __intentional_overflow(-1) div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) - { - union { - u64 v64; -diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h -index f161c18..97d43e8 100644 ---- a/arch/x86/include/asm/elf.h -+++ b/arch/x86/include/asm/elf.h -@@ -75,9 +75,6 @@ typedef struct user_fxsr_struct elf_fpxregset_t; - - #include <asm/vdso.h> - --#ifdef CONFIG_X86_64 --extern unsigned int vdso64_enabled; --#endif - #if defined(CONFIG_X86_32) || defined(CONFIG_COMPAT) - extern unsigned int vdso32_enabled; - #endif -@@ -250,7 +247,25 @@ extern int force_personality32; - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - -+#ifdef CONFIG_PAX_SEGMEXEC -+#define ELF_ET_DYN_BASE ((current->mm->pax_flags & MF_PAX_SEGMEXEC) ? SEGMEXEC_TASK_SIZE/3*2 : TASK_SIZE/3*2) -+#else - #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+#ifdef CONFIG_X86_32 -+#define PAX_ELF_ET_DYN_BASE 0x10000000UL -+ -+#define PAX_DELTA_MMAP_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16) -+#define PAX_DELTA_STACK_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16) -+#else -+#define PAX_ELF_ET_DYN_BASE 0x400000UL -+ -+#define PAX_DELTA_MMAP_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3) -+#define PAX_DELTA_STACK_LEN ((test_thread_flag(TIF_ADDR32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3) -+#endif -+#endif - - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, -@@ -299,17 +314,13 @@ do { \ - - #define ARCH_DLINFO \ - do { \ -- if (vdso64_enabled) \ -- NEW_AUX_ENT(AT_SYSINFO_EHDR, \ -- (unsigned long __force)current->mm->context.vdso); \ -+ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \ - } while (0) - - /* As a historical oddity, the x32 and x86_64 vDSOs are controlled together. */ - #define ARCH_DLINFO_X32 \ - do { \ -- if (vdso64_enabled) \ -- NEW_AUX_ENT(AT_SYSINFO_EHDR, \ -- (unsigned long __force)current->mm->context.vdso); \ -+ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso); \ - } while (0) - - #define AT_SYSINFO 32 -@@ -324,10 +335,10 @@ else \ - - #endif /* !CONFIG_X86_32 */ - --#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso) -+#define VDSO_CURRENT_BASE (current->mm->context.vdso) - - #define VDSO_ENTRY \ -- ((unsigned long)current->mm->context.vdso + \ -+ (current->mm->context.vdso + \ - selected_vdso32->sym___kernel_vsyscall) - - struct linux_binprm; -diff --git a/arch/x86/include/asm/emergency-restart.h b/arch/x86/include/asm/emergency-restart.h -index 77a99ac..39ff7f5 100644 ---- a/arch/x86/include/asm/emergency-restart.h -+++ b/arch/x86/include/asm/emergency-restart.h -@@ -1,6 +1,6 @@ - #ifndef _ASM_X86_EMERGENCY_RESTART_H - #define _ASM_X86_EMERGENCY_RESTART_H - --extern void machine_emergency_restart(void); -+extern void machine_emergency_restart(void) __noreturn; - - #endif /* _ASM_X86_EMERGENCY_RESTART_H */ -diff --git a/arch/x86/include/asm/floppy.h b/arch/x86/include/asm/floppy.h -index 1c7eefe..d0e4702 100644 ---- a/arch/x86/include/asm/floppy.h -+++ b/arch/x86/include/asm/floppy.h -@@ -229,18 +229,18 @@ static struct fd_routine_l { - int (*_dma_setup)(char *addr, unsigned long size, int mode, int io); - } fd_routine[] = { - { -- request_dma, -- free_dma, -- get_dma_residue, -- dma_mem_alloc, -- hard_dma_setup -+ ._request_dma = request_dma, -+ ._free_dma = free_dma, -+ ._get_dma_residue = get_dma_residue, -+ ._dma_mem_alloc = dma_mem_alloc, -+ ._dma_setup = hard_dma_setup - }, - { -- vdma_request_dma, -- vdma_nop, -- vdma_get_dma_residue, -- vdma_mem_alloc, -- vdma_dma_setup -+ ._request_dma = vdma_request_dma, -+ ._free_dma = vdma_nop, -+ ._get_dma_residue = vdma_get_dma_residue, -+ ._dma_mem_alloc = vdma_mem_alloc, -+ ._dma_setup = vdma_dma_setup - } - }; - -diff --git a/arch/x86/include/asm/fpu-internal.h b/arch/x86/include/asm/fpu-internal.h -index da5e967..ab07eec 100644 ---- a/arch/x86/include/asm/fpu-internal.h -+++ b/arch/x86/include/asm/fpu-internal.h -@@ -151,8 +151,11 @@ static inline void sanitize_i387_state(struct task_struct *tsk) - #define user_insn(insn, output, input...) \ - ({ \ - int err; \ -+ pax_open_userland(); \ - asm volatile(ASM_STAC "\n" \ -- "1:" #insn "\n\t" \ -+ "1:" \ -+ __copyuser_seg \ -+ #insn "\n\t" \ - "2: " ASM_CLAC "\n" \ - ".section .fixup,"ax"\n" \ - "3: movl $-1,%[err]\n" \ -@@ -161,6 +164,7 @@ static inline void sanitize_i387_state(struct task_struct *tsk) - _ASM_EXTABLE(1b, 3b) \ - : [err] "=r" (err), output \ - : "0"(0), input); \ -+ pax_close_userland(); \ - err; \ - }) - -@@ -327,7 +331,7 @@ static inline int restore_fpu_checking(struct task_struct *tsk) - "fnclex\n\t" - "emms\n\t" - "fildl %P[addr]" /* set F?P to defined value */ -- : : [addr] "m" (tsk->thread.fpu.has_fpu)); -+ : : [addr] "m" (cpu_tss[raw_smp_processor_id()].x86_tss.sp0)); - } - - return fpu_restore_checking(&tsk->thread.fpu); -diff --git a/arch/x86/include/asm/futex.h b/arch/x86/include/asm/futex.h -index b4c1f54..e290c08 100644 ---- a/arch/x86/include/asm/futex.h -+++ b/arch/x86/include/asm/futex.h -@@ -12,6 +12,7 @@ - #include <asm/smap.h> - - #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \ -+ typecheck(u32 __user *, uaddr); \ - asm volatile("\t" ASM_STAC "\n" \ - "1:\t" insn "\n" \ - "2:\t" ASM_CLAC "\n" \ -@@ -20,15 +21,16 @@ - "\tjmp\t2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "=r" (oldval), "=r" (ret), "+m" (*uaddr) \ -+ : "=r" (oldval), "=r" (ret), "+m" (*(u32 __user *)____m(uaddr)) \ - : "i" (-EFAULT), "0" (oparg), "1" (0)) - - #define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \ -+ typecheck(u32 __user *, uaddr); \ - asm volatile("\t" ASM_STAC "\n" \ - "1:\tmovl %2, %0\n" \ - "\tmovl\t%0, %3\n" \ - "\t" insn "\n" \ -- "2:\t" LOCK_PREFIX "cmpxchgl %3, %2\n" \ -+ "2:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %3, %2\n" \ - "\tjnz\t1b\n" \ - "3:\t" ASM_CLAC "\n" \ - "\t.section .fixup,"ax"\n" \ -@@ -38,7 +40,7 @@ - _ASM_EXTABLE(1b, 4b) \ - _ASM_EXTABLE(2b, 4b) \ - : "=&a" (oldval), "=&r" (ret), \ -- "+m" (*uaddr), "=&r" (tem) \ -+ "+m" (*(u32 __user *)____m(uaddr)), "=&r" (tem) \ - : "r" (oparg), "i" (-EFAULT), "1" (0)) - - static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) -@@ -57,12 +59,13 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) - - pagefault_disable(); - -+ pax_open_userland(); - switch (op) { - case FUTEX_OP_SET: -- __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg); -+ __futex_atomic_op1(__copyuser_seg"xchgl %0, %2", ret, oldval, uaddr, oparg); - break; - case FUTEX_OP_ADD: -- __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval, -+ __futex_atomic_op1(LOCK_PREFIX __copyuser_seg"xaddl %0, %2", ret, oldval, - uaddr, oparg); - break; - case FUTEX_OP_OR: -@@ -77,6 +80,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) - default: - ret = -ENOSYS; - } -+ pax_close_userland(); - - pagefault_enable(); - -diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h -index e9571dd..df5f542 100644 ---- a/arch/x86/include/asm/hw_irq.h -+++ b/arch/x86/include/asm/hw_irq.h -@@ -160,8 +160,8 @@ static inline void unlock_vector_lock(void) {} - #endif /* CONFIG_X86_LOCAL_APIC */ - - /* Statistics */ --extern atomic_t irq_err_count; --extern atomic_t irq_mis_count; -+extern atomic_unchecked_t irq_err_count; -+extern atomic_unchecked_t irq_mis_count; - - /* EISA */ - extern void eisa_set_level_irq(unsigned int irq); -diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h -index ccffa53..3c90c87 100644 ---- a/arch/x86/include/asm/i8259.h -+++ b/arch/x86/include/asm/i8259.h -@@ -62,7 +62,7 @@ struct legacy_pic { - void (*init)(int auto_eoi); - int (*irq_pending)(unsigned int irq); - void (*make_irq)(unsigned int irq); --}; -+} __do_const; - - extern struct legacy_pic *legacy_pic; - extern struct legacy_pic null_legacy_pic; -diff --git a/arch/x86/include/asm/io.h b/arch/x86/include/asm/io.h -index 34a5b93..27e40a6 100644 ---- a/arch/x86/include/asm/io.h -+++ b/arch/x86/include/asm/io.h -@@ -52,12 +52,12 @@ static inline void name(type val, volatile void __iomem *addr) \ - "m" (*(volatile type __force *)addr) barrier); } - - build_mmio_read(readb, "b", unsigned char, "=q", :"memory") --build_mmio_read(readw, "w", unsigned short, "=r", :"memory") --build_mmio_read(readl, "l", unsigned int, "=r", :"memory") -+build_mmio_read(__intentional_overflow(-1) readw, "w", unsigned short, "=r", :"memory") -+build_mmio_read(__intentional_overflow(-1) readl, "l", unsigned int, "=r", :"memory") - - build_mmio_read(__readb, "b", unsigned char, "=q", ) --build_mmio_read(__readw, "w", unsigned short, "=r", ) --build_mmio_read(__readl, "l", unsigned int, "=r", ) -+build_mmio_read(__intentional_overflow(-1) __readw, "w", unsigned short, "=r", ) -+build_mmio_read(__intentional_overflow(-1) __readl, "l", unsigned int, "=r", ) - - build_mmio_write(writeb, "b", unsigned char, "q", :"memory") - build_mmio_write(writew, "w", unsigned short, "r", :"memory") -@@ -113,7 +113,7 @@ build_mmio_write(writeq, "q", unsigned long, "r", :"memory") - * this function - */ - --static inline phys_addr_t virt_to_phys(volatile void *address) -+static inline phys_addr_t __intentional_overflow(-1) virt_to_phys(volatile void *address) - { - return __pa(address); - } -@@ -189,7 +189,7 @@ static inline void __iomem *ioremap(resource_size_t offset, unsigned long size) - return ioremap_nocache(offset, size); - } - --extern void iounmap(volatile void __iomem *addr); -+extern void iounmap(const volatile void __iomem *addr); - - extern void set_iounmap_nonlazy(void); - -@@ -199,6 +199,17 @@ extern void set_iounmap_nonlazy(void); - - #include <linux/vmalloc.h> - -+#define ARCH_HAS_VALID_PHYS_ADDR_RANGE -+static inline int valid_phys_addr_range(unsigned long addr, size_t count) -+{ -+ return ((addr + count + PAGE_SIZE - 1) >> PAGE_SHIFT) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0; -+} -+ -+static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t count) -+{ -+ return (pfn + (count >> PAGE_SHIFT)) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0; -+} -+ - /* - * Convert a virtual cached pointer to an uncached pointer - */ -diff --git a/arch/x86/include/asm/irqflags.h b/arch/x86/include/asm/irqflags.h -index b77f5ed..a2f791e 100644 ---- a/arch/x86/include/asm/irqflags.h -+++ b/arch/x86/include/asm/irqflags.h -@@ -137,6 +137,11 @@ static inline notrace unsigned long arch_local_irq_save(void) - swapgs; \ - sysretl - -+#define GET_CR0_INTO_RDI mov %cr0, %rdi -+#define SET_RDI_INTO_CR0 mov %rdi, %cr0 -+#define GET_CR3_INTO_RDI mov %cr3, %rdi -+#define SET_RDI_INTO_CR3 mov %rdi, %cr3 -+ - #else - #define INTERRUPT_RETURN iret - #define ENABLE_INTERRUPTS_SYSEXIT sti; sysexit -diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h -index 4421b5d..8543006 100644 ---- a/arch/x86/include/asm/kprobes.h -+++ b/arch/x86/include/asm/kprobes.h -@@ -37,13 +37,8 @@ typedef u8 kprobe_opcode_t; - #define RELATIVEJUMP_SIZE 5 - #define RELATIVECALL_OPCODE 0xe8 - #define RELATIVE_ADDR_SIZE 4 --#define MAX_STACK_SIZE 64 --#define MIN_STACK_SIZE(ADDR) \ -- (((MAX_STACK_SIZE) < (((unsigned long)current_thread_info()) + \ -- THREAD_SIZE - (unsigned long)(ADDR))) \ -- ? (MAX_STACK_SIZE) \ -- : (((unsigned long)current_thread_info()) + \ -- THREAD_SIZE - (unsigned long)(ADDR))) -+#define MAX_STACK_SIZE 64UL -+#define MIN_STACK_SIZE(ADDR) min(MAX_STACK_SIZE, current->thread.sp0 - (unsigned long)(ADDR)) - - #define flush_insn_slot(p) do { } while (0) - -diff --git a/arch/x86/include/asm/local.h b/arch/x86/include/asm/local.h -index 4ad6560..75c7bdd 100644 ---- a/arch/x86/include/asm/local.h -+++ b/arch/x86/include/asm/local.h -@@ -10,33 +10,97 @@ typedef struct { - atomic_long_t a; - } local_t; - -+typedef struct { -+ atomic_long_unchecked_t a; -+} local_unchecked_t; -+ - #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - - #define local_read(l) atomic_long_read(&(l)->a) -+#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a) - #define local_set(l, i) atomic_long_set(&(l)->a, (i)) -+#define local_set_unchecked(l, i) atomic_long_set_unchecked(&(l)->a, (i)) - - static inline void local_inc(local_t *l) - { -- asm volatile(_ASM_INC "%0" -+ asm volatile(_ASM_INC "%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_DEC "%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (l->a.counter)); -+} -+ -+static inline void local_inc_unchecked(local_unchecked_t *l) -+{ -+ asm volatile(_ASM_INC "%0\n" - : "+m" (l->a.counter)); - } - - static inline void local_dec(local_t *l) - { -- asm volatile(_ASM_DEC "%0" -+ asm volatile(_ASM_DEC "%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_INC "%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (l->a.counter)); -+} -+ -+static inline void local_dec_unchecked(local_unchecked_t *l) -+{ -+ asm volatile(_ASM_DEC "%0\n" - : "+m" (l->a.counter)); - } - - static inline void local_add(long i, local_t *l) - { -- asm volatile(_ASM_ADD "%1,%0" -+ asm volatile(_ASM_ADD "%1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_SUB "%1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (l->a.counter) -+ : "ir" (i)); -+} -+ -+static inline void local_add_unchecked(long i, local_unchecked_t *l) -+{ -+ asm volatile(_ASM_ADD "%1,%0\n" - : "+m" (l->a.counter) - : "ir" (i)); - } - - static inline void local_sub(long i, local_t *l) - { -- asm volatile(_ASM_SUB "%1,%0" -+ asm volatile(_ASM_SUB "%1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_ADD "%1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (l->a.counter) -+ : "ir" (i)); -+} -+ -+static inline void local_sub_unchecked(long i, local_unchecked_t *l) -+{ -+ asm volatile(_ASM_SUB "%1,%0\n" - : "+m" (l->a.counter) - : "ir" (i)); - } -@@ -52,7 +116,7 @@ static inline void local_sub(long i, local_t *l) - */ - static inline int local_sub_and_test(long i, local_t *l) - { -- GEN_BINARY_RMWcc(_ASM_SUB, l->a.counter, "er", i, "%0", "e"); -+ GEN_BINARY_RMWcc(_ASM_SUB, _ASM_ADD, l->a.counter, "er", i, "%0", "e"); - } - - /** -@@ -65,7 +129,7 @@ static inline int local_sub_and_test(long i, local_t *l) - */ - static inline int local_dec_and_test(local_t *l) - { -- GEN_UNARY_RMWcc(_ASM_DEC, l->a.counter, "%0", "e"); -+ GEN_UNARY_RMWcc(_ASM_DEC, _ASM_INC, l->a.counter, "%0", "e"); - } - - /** -@@ -78,7 +142,7 @@ static inline int local_dec_and_test(local_t *l) - */ - static inline int local_inc_and_test(local_t *l) - { -- GEN_UNARY_RMWcc(_ASM_INC, l->a.counter, "%0", "e"); -+ GEN_UNARY_RMWcc(_ASM_INC, _ASM_DEC, l->a.counter, "%0", "e"); - } - - /** -@@ -92,7 +156,7 @@ static inline int local_inc_and_test(local_t *l) - */ - static inline int local_add_negative(long i, local_t *l) - { -- GEN_BINARY_RMWcc(_ASM_ADD, l->a.counter, "er", i, "%0", "s"); -+ GEN_BINARY_RMWcc(_ASM_ADD, _ASM_SUB, l->a.counter, "er", i, "%0", "s"); - } - - /** -@@ -105,6 +169,30 @@ static inline int local_add_negative(long i, local_t *l) - static inline long local_add_return(long i, local_t *l) - { - long __i = i; -+ asm volatile(_ASM_XADD "%0, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_MOV "%0,%1\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+r" (i), "+m" (l->a.counter) -+ : : "memory"); -+ return i + __i; -+} -+ -+/** -+ * local_add_return_unchecked - add and return -+ * @i: integer value to add -+ * @l: pointer to type local_unchecked_t -+ * -+ * Atomically adds @i to @l and returns @i + @l -+ */ -+static inline long local_add_return_unchecked(long i, local_unchecked_t *l) -+{ -+ long __i = i; - asm volatile(_ASM_XADD "%0, %1;" - : "+r" (i), "+m" (l->a.counter) - : : "memory"); -@@ -121,6 +209,8 @@ static inline long local_sub_return(long i, local_t *l) - - #define local_cmpxchg(l, o, n) \ - (cmpxchg_local(&((l)->a.counter), (o), (n))) -+#define local_cmpxchg_unchecked(l, o, n) \ -+ (cmpxchg_local(&((l)->a.counter), (o), (n))) - /* Always has a lock prefix */ - #define local_xchg(l, n) (xchg(&((l)->a.counter), (n))) - -diff --git a/arch/x86/include/asm/mman.h b/arch/x86/include/asm/mman.h -new file mode 100644 -index 0000000..2bfd3ba ---- /dev/null -+++ b/arch/x86/include/asm/mman.h -@@ -0,0 +1,15 @@ -+#ifndef _X86_MMAN_H -+#define _X86_MMAN_H -+ -+#include <uapi/asm/mman.h> -+ -+#ifdef __KERNEL__ -+#ifndef __ASSEMBLY__ -+#ifdef CONFIG_X86_32 -+#define arch_mmap_check i386_mmap_check -+int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags); -+#endif -+#endif -+#endif -+ -+#endif /* X86_MMAN_H */ -diff --git a/arch/x86/include/asm/mmu.h b/arch/x86/include/asm/mmu.h -index 09b9620..923aecd 100644 ---- a/arch/x86/include/asm/mmu.h -+++ b/arch/x86/include/asm/mmu.h -@@ -9,7 +9,7 @@ - * we put the segment information here. - */ - typedef struct { -- void *ldt; -+ struct desc_struct *ldt; - int size; - - #ifdef CONFIG_X86_64 -@@ -18,7 +18,19 @@ typedef struct { - #endif - - struct mutex lock; -- void __user *vdso; -+ unsigned long vdso; -+ -+#ifdef CONFIG_X86_32 -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ unsigned long user_cs_base; -+ unsigned long user_cs_limit; -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ cpumask_t cpu_user_cs_mask; -+#endif -+ -+#endif -+#endif - - atomic_t perf_rdpmc_allowed; /* nonzero if rdpmc is allowed */ - } mm_context_t; -diff --git a/arch/x86/include/asm/mmu_context.h b/arch/x86/include/asm/mmu_context.h -index e997f70..5d819f7 100644 ---- a/arch/x86/include/asm/mmu_context.h -+++ b/arch/x86/include/asm/mmu_context.h -@@ -42,6 +42,20 @@ void destroy_context(struct mm_struct *mm); - - static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) - { -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (!(static_cpu_has(X86_FEATURE_PCIDUDEREF))) { -+ unsigned int i; -+ pgd_t *pgd; -+ -+ pax_open_kernel(); -+ pgd = get_cpu_pgd(smp_processor_id(), kernel); -+ for (i = USER_PGD_PTRS; i < 2 * USER_PGD_PTRS; ++i) -+ set_pgd_batched(pgd+i, native_make_pgd(0)); -+ pax_close_kernel(); -+ } -+#endif -+ - #ifdef CONFIG_SMP - if (this_cpu_read(cpu_tlbstate.state) == TLBSTATE_OK) - this_cpu_write(cpu_tlbstate.state, TLBSTATE_LAZY); -@@ -52,16 +66,59 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, - struct task_struct *tsk) - { - unsigned cpu = smp_processor_id(); -+#if defined(CONFIG_X86_32) && defined(CONFIG_SMP) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+ int tlbstate = TLBSTATE_OK; -+#endif - - if (likely(prev != next)) { - #ifdef CONFIG_SMP -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+ tlbstate = this_cpu_read(cpu_tlbstate.state); -+#endif - this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK); - this_cpu_write(cpu_tlbstate.active_mm, next); - #endif - cpumask_set_cpu(cpu, mm_cpumask(next)); - - /* Re-load page tables */ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pax_open_kernel(); -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) -+ __clone_user_pgds(get_cpu_pgd(cpu, user), next->pgd); -+ else -+#endif -+ -+ __clone_user_pgds(get_cpu_pgd(cpu, kernel), next->pgd); -+ __shadow_user_pgds(get_cpu_pgd(cpu, kernel) + USER_PGD_PTRS, next->pgd); -+ pax_close_kernel(); -+ BUG_ON((__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL) != (read_cr3() & __PHYSICAL_MASK) && (__pa(get_cpu_pgd(cpu, user)) | PCID_USER) != (read_cr3() & __PHYSICAL_MASK)); -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ u64 descriptor[2]; -+ descriptor[0] = PCID_USER; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory"); -+ if (!static_cpu_has(X86_FEATURE_STRONGUDEREF)) { -+ descriptor[0] = PCID_KERNEL; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory"); -+ } -+ } else { -+ write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER); -+ if (static_cpu_has(X86_FEATURE_STRONGUDEREF)) -+ write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH); -+ else -+ write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL); -+ } -+ } else -+#endif -+ -+ load_cr3(get_cpu_pgd(cpu, kernel)); -+#else - load_cr3(next->pgd); -+#endif - trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL); - - /* Stop flush ipis for the previous mm */ -@@ -84,9 +141,67 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, - */ - if (unlikely(prev->context.ldt != next->context.ldt)) - load_LDT_nolock(&next->context); -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ if (!(__supported_pte_mask & _PAGE_NX)) { -+ smp_mb__before_atomic(); -+ cpumask_clear_cpu(cpu, &prev->context.cpu_user_cs_mask); -+ smp_mb__after_atomic(); -+ cpumask_set_cpu(cpu, &next->context.cpu_user_cs_mask); -+ } -+#endif -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+ if (unlikely(prev->context.user_cs_base != next->context.user_cs_base || -+ prev->context.user_cs_limit != next->context.user_cs_limit)) -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); -+#ifdef CONFIG_SMP -+ else if (unlikely(tlbstate != TLBSTATE_OK)) -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); -+#endif -+#endif -+ - } -+ else { -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pax_open_kernel(); -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) -+ __clone_user_pgds(get_cpu_pgd(cpu, user), next->pgd); -+ else -+#endif -+ -+ __clone_user_pgds(get_cpu_pgd(cpu, kernel), next->pgd); -+ __shadow_user_pgds(get_cpu_pgd(cpu, kernel) + USER_PGD_PTRS, next->pgd); -+ pax_close_kernel(); -+ BUG_ON((__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL) != (read_cr3() & __PHYSICAL_MASK) && (__pa(get_cpu_pgd(cpu, user)) | PCID_USER) != (read_cr3() & __PHYSICAL_MASK)); -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ u64 descriptor[2]; -+ descriptor[0] = PCID_USER; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory"); -+ if (!static_cpu_has(X86_FEATURE_STRONGUDEREF)) { -+ descriptor[0] = PCID_KERNEL; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_CONTEXT) : "memory"); -+ } -+ } else { -+ write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER); -+ if (static_cpu_has(X86_FEATURE_STRONGUDEREF)) -+ write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH); -+ else -+ write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL); -+ } -+ } else -+#endif -+ -+ load_cr3(get_cpu_pgd(cpu, kernel)); -+#endif -+ - #ifdef CONFIG_SMP -- else { - this_cpu_write(cpu_tlbstate.state, TLBSTATE_OK); - BUG_ON(this_cpu_read(cpu_tlbstate.active_mm) != next); - -@@ -103,13 +218,30 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next, - * tlb flush IPI delivery. We must reload CR3 - * to make sure to use no freed page tables. - */ -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - load_cr3(next->pgd); - trace_tlb_flush(TLB_FLUSH_ON_TASK_SWITCH, TLB_FLUSH_ALL); -+#endif -+ - load_mm_cr4(next); - load_LDT_nolock(&next->context); -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (!(__supported_pte_mask & _PAGE_NX)) -+ cpumask_set_cpu(cpu, &next->context.cpu_user_cs_mask); -+#endif -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!((next->pax_flags & MF_PAX_PAGEEXEC) && (__supported_pte_mask & _PAGE_NX))) -+#endif -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); -+#endif -+ - } -+#endif - } --#endif - } - - #define activate_mm(prev, next) \ -diff --git a/arch/x86/include/asm/module.h b/arch/x86/include/asm/module.h -index e3b7819..b257c64 100644 ---- a/arch/x86/include/asm/module.h -+++ b/arch/x86/include/asm/module.h -@@ -5,6 +5,7 @@ - - #ifdef CONFIG_X86_64 - /* X86_64 does not define MODULE_PROC_FAMILY */ -+#define MODULE_PROC_FAMILY "" - #elif defined CONFIG_M486 - #define MODULE_PROC_FAMILY "486 " - #elif defined CONFIG_M586 -@@ -57,8 +58,20 @@ - #error unknown processor family - #endif - --#ifdef CONFIG_X86_32 --# define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_BTS -+#define MODULE_PAX_KERNEXEC "KERNEXEC_BTS " -+#elif defined(CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR) -+#define MODULE_PAX_KERNEXEC "KERNEXEC_OR " -+#else -+#define MODULE_PAX_KERNEXEC "" - #endif - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#define MODULE_PAX_UDEREF "UDEREF " -+#else -+#define MODULE_PAX_UDEREF "" -+#endif -+ -+#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY MODULE_PAX_KERNEXEC MODULE_PAX_UDEREF -+ - #endif /* _ASM_X86_MODULE_H */ -diff --git a/arch/x86/include/asm/nmi.h b/arch/x86/include/asm/nmi.h -index 5f2fc44..106caa6 100644 ---- a/arch/x86/include/asm/nmi.h -+++ b/arch/x86/include/asm/nmi.h -@@ -36,26 +36,35 @@ enum { - - typedef int (*nmi_handler_t)(unsigned int, struct pt_regs *); - -+struct nmiaction; -+ -+struct nmiwork { -+ const struct nmiaction *action; -+ u64 max_duration; -+ struct irq_work irq_work; -+}; -+ - struct nmiaction { - struct list_head list; - nmi_handler_t handler; -- u64 max_duration; -- struct irq_work irq_work; - unsigned long flags; - const char *name; --}; -+ struct nmiwork *work; -+} __do_const; - - #define register_nmi_handler(t, fn, fg, n, init...) \ - ({ \ -- static struct nmiaction init fn##_na = { \ -+ static struct nmiwork fn##_nw; \ -+ static const struct nmiaction init fn##_na = { \ - .handler = (fn), \ - .name = (n), \ - .flags = (fg), \ -+ .work = &fn##_nw, \ - }; \ - __register_nmi_handler((t), &fn##_na); \ - }) - --int __register_nmi_handler(unsigned int, struct nmiaction *); -+int __register_nmi_handler(unsigned int, const struct nmiaction *); - - void unregister_nmi_handler(unsigned int, const char *); - -diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h -index 802dde3..9183e68 100644 ---- a/arch/x86/include/asm/page.h -+++ b/arch/x86/include/asm/page.h -@@ -52,6 +52,7 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr, - __phys_addr_symbol(__phys_reloc_hide((unsigned long)(x))) - - #define __va(x) ((void *)((unsigned long)(x)+PAGE_OFFSET)) -+#define __early_va(x) ((void *)((unsigned long)(x)+__START_KERNEL_map - phys_base)) - - #define __boot_va(x) __va(x) - #define __boot_pa(x) __pa(x) -@@ -60,11 +61,21 @@ static inline void copy_user_page(void *to, void *from, unsigned long vaddr, - * virt_to_page(kaddr) returns a valid pointer if and only if - * virt_addr_valid(kaddr) returns true. - */ --#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) - #define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) - extern bool __virt_addr_valid(unsigned long kaddr); - #define virt_addr_valid(kaddr) __virt_addr_valid((unsigned long) (kaddr)) - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+#define virt_to_page(kaddr) \ -+ ({ \ -+ const void *__kaddr = (const void *)(kaddr); \ -+ BUG_ON(!virt_addr_valid(__kaddr)); \ -+ pfn_to_page(__pa(__kaddr) >> PAGE_SHIFT); \ -+ }) -+#else -+#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT) -+#endif -+ - #endif /* __ASSEMBLY__ */ - - #include <asm-generic/memory_model.h> -diff --git a/arch/x86/include/asm/page_32.h b/arch/x86/include/asm/page_32.h -index 904f528..b4d0d24 100644 ---- a/arch/x86/include/asm/page_32.h -+++ b/arch/x86/include/asm/page_32.h -@@ -7,11 +7,17 @@ - - #define __phys_addr_nodebug(x) ((x) - PAGE_OFFSET) - #ifdef CONFIG_DEBUG_VIRTUAL --extern unsigned long __phys_addr(unsigned long); -+extern unsigned long __intentional_overflow(-1) __phys_addr(unsigned long); - #else --#define __phys_addr(x) __phys_addr_nodebug(x) -+static inline unsigned long __intentional_overflow(-1) __phys_addr(unsigned long x) -+{ -+ return __phys_addr_nodebug(x); -+} - #endif --#define __phys_addr_symbol(x) __phys_addr(x) -+static inline unsigned long __intentional_overflow(-1) __phys_addr_symbol(unsigned long x) -+{ -+ return __phys_addr(x); -+} - #define __phys_reloc_hide(x) RELOC_HIDE((x), 0) - - #ifdef CONFIG_FLATMEM -diff --git a/arch/x86/include/asm/page_64.h b/arch/x86/include/asm/page_64.h -index b3bebf9..cb419e7 100644 ---- a/arch/x86/include/asm/page_64.h -+++ b/arch/x86/include/asm/page_64.h -@@ -7,9 +7,9 @@ - - /* duplicated to the one in bootmem.h */ - extern unsigned long max_pfn; --extern unsigned long phys_base; -+extern const unsigned long phys_base; - --static inline unsigned long __phys_addr_nodebug(unsigned long x) -+static inline unsigned long __intentional_overflow(-1) __phys_addr_nodebug(unsigned long x) - { - unsigned long y = x - __START_KERNEL_map; - -@@ -20,12 +20,14 @@ static inline unsigned long __phys_addr_nodebug(unsigned long x) - } - - #ifdef CONFIG_DEBUG_VIRTUAL --extern unsigned long __phys_addr(unsigned long); --extern unsigned long __phys_addr_symbol(unsigned long); -+extern unsigned long __intentional_overflow(-1) __phys_addr(unsigned long); -+extern unsigned long __intentional_overflow(-1) __phys_addr_symbol(unsigned long); - #else - #define __phys_addr(x) __phys_addr_nodebug(x) --#define __phys_addr_symbol(x) \ -- ((unsigned long)(x) - __START_KERNEL_map + phys_base) -+static inline unsigned long __intentional_overflow(-1) __phys_addr_symbol(unsigned long x) -+{ -+ return x - __START_KERNEL_map + phys_base; -+} - #endif - - #define __phys_reloc_hide(x) (x) -diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h -index 8957810..f34efb4 100644 ---- a/arch/x86/include/asm/paravirt.h -+++ b/arch/x86/include/asm/paravirt.h -@@ -560,7 +560,7 @@ static inline pmd_t __pmd(pmdval_t val) - return (pmd_t) { ret }; - } - --static inline pmdval_t pmd_val(pmd_t pmd) -+static inline __intentional_overflow(-1) pmdval_t pmd_val(pmd_t pmd) - { - pmdval_t ret; - -@@ -626,6 +626,18 @@ static inline void set_pgd(pgd_t *pgdp, pgd_t pgd) - val); - } - -+static inline void set_pgd_batched(pgd_t *pgdp, pgd_t pgd) -+{ -+ pgdval_t val = native_pgd_val(pgd); -+ -+ if (sizeof(pgdval_t) > sizeof(long)) -+ PVOP_VCALL3(pv_mmu_ops.set_pgd_batched, pgdp, -+ val, (u64)val >> 32); -+ else -+ PVOP_VCALL2(pv_mmu_ops.set_pgd_batched, pgdp, -+ val); -+} -+ - static inline void pgd_clear(pgd_t *pgdp) - { - set_pgd(pgdp, __pgd(0)); -@@ -710,6 +722,21 @@ static inline void __set_fixmap(unsigned /* enum fixed_addresses */ idx, - pv_mmu_ops.set_fixmap(idx, phys, flags); - } - -+#ifdef CONFIG_PAX_KERNEXEC -+static inline unsigned long pax_open_kernel(void) -+{ -+ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_open_kernel); -+} -+ -+static inline unsigned long pax_close_kernel(void) -+{ -+ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_close_kernel); -+} -+#else -+static inline unsigned long pax_open_kernel(void) { return 0; } -+static inline unsigned long pax_close_kernel(void) { return 0; } -+#endif -+ - #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS) - - static __always_inline void __ticket_lock_spinning(struct arch_spinlock *lock, -@@ -906,7 +933,7 @@ extern void default_banner(void); - - #define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 4) - #define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .long, 4) --#define PARA_INDIRECT(addr) *%cs:addr -+#define PARA_INDIRECT(addr) *%ss:addr - #endif - - #define INTERRUPT_RETURN \ -@@ -976,6 +1003,21 @@ extern void default_banner(void); - PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_usergs_sysret64), \ - CLBR_NONE, \ - jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_usergs_sysret64)) -+ -+#define GET_CR0_INTO_RDI \ -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0); \ -+ mov %rax,%rdi -+ -+#define SET_RDI_INTO_CR0 \ -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0) -+ -+#define GET_CR3_INTO_RDI \ -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_read_cr3); \ -+ mov %rax,%rdi -+ -+#define SET_RDI_INTO_CR3 \ -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_write_cr3) -+ - #endif /* CONFIG_X86_32 */ - - #endif /* __ASSEMBLY__ */ -diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h -index f7b0b5c..cdd33f9 100644 ---- a/arch/x86/include/asm/paravirt_types.h -+++ b/arch/x86/include/asm/paravirt_types.h -@@ -84,7 +84,7 @@ struct pv_init_ops { - */ - unsigned (*patch)(u8 type, u16 clobber, void *insnbuf, - unsigned long addr, unsigned len); --}; -+} __no_const __no_randomize_layout; - - - struct pv_lazy_ops { -@@ -92,13 +92,13 @@ struct pv_lazy_ops { - void (*enter)(void); - void (*leave)(void); - void (*flush)(void); --}; -+} __no_randomize_layout; - - struct pv_time_ops { - unsigned long long (*sched_clock)(void); - unsigned long long (*steal_clock)(int cpu); - unsigned long (*get_tsc_khz)(void); --}; -+} __no_const __no_randomize_layout; - - struct pv_cpu_ops { - /* hooks for various privileged instructions */ -@@ -192,7 +192,7 @@ struct pv_cpu_ops { - - void (*start_context_switch)(struct task_struct *prev); - void (*end_context_switch)(struct task_struct *next); --}; -+} __no_const __no_randomize_layout; - - struct pv_irq_ops { - /* -@@ -215,7 +215,7 @@ struct pv_irq_ops { - #ifdef CONFIG_X86_64 - void (*adjust_exception_frame)(void); - #endif --}; -+} __no_randomize_layout; - - struct pv_apic_ops { - #ifdef CONFIG_X86_LOCAL_APIC -@@ -223,7 +223,7 @@ struct pv_apic_ops { - unsigned long start_eip, - unsigned long start_esp); - #endif --}; -+} __no_const __no_randomize_layout; - - struct pv_mmu_ops { - unsigned long (*read_cr2)(void); -@@ -313,6 +313,7 @@ struct pv_mmu_ops { - struct paravirt_callee_save make_pud; - - void (*set_pgd)(pgd_t *pudp, pgd_t pgdval); -+ void (*set_pgd_batched)(pgd_t *pudp, pgd_t pgdval); - #endif /* CONFIG_PGTABLE_LEVELS == 4 */ - #endif /* CONFIG_PGTABLE_LEVELS >= 3 */ - -@@ -324,7 +325,13 @@ struct pv_mmu_ops { - an mfn. We can tell which is which from the index. */ - void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx, - phys_addr_t phys, pgprot_t flags); --}; -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ unsigned long (*pax_open_kernel)(void); -+ unsigned long (*pax_close_kernel)(void); -+#endif -+ -+} __no_randomize_layout; - - struct arch_spinlock; - #ifdef CONFIG_SMP -@@ -336,11 +343,14 @@ typedef u16 __ticket_t; - struct pv_lock_ops { - struct paravirt_callee_save lock_spinning; - void (*unlock_kick)(struct arch_spinlock *lock, __ticket_t ticket); --}; -+} __no_randomize_layout; - - /* This contains all the paravirt structures: we get a convenient - * number for each function using the offset which we use to indicate -- * what to patch. */ -+ * what to patch. -+ * shouldn't be randomized due to the "NEAT TRICK" in paravirt.c -+ */ -+ - struct paravirt_patch_template { - struct pv_init_ops pv_init_ops; - struct pv_time_ops pv_time_ops; -@@ -349,7 +359,7 @@ struct paravirt_patch_template { - struct pv_apic_ops pv_apic_ops; - struct pv_mmu_ops pv_mmu_ops; - struct pv_lock_ops pv_lock_ops; --}; -+} __no_randomize_layout; - - extern struct pv_info pv_info; - extern struct pv_init_ops pv_init_ops; -diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h -index bf7f8b5..ca5799d 100644 ---- a/arch/x86/include/asm/pgalloc.h -+++ b/arch/x86/include/asm/pgalloc.h -@@ -63,6 +63,13 @@ static inline void pmd_populate_kernel(struct mm_struct *mm, - pmd_t *pmd, pte_t *pte) - { - paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT); -+ set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE)); -+} -+ -+static inline void pmd_populate_user(struct mm_struct *mm, -+ pmd_t *pmd, pte_t *pte) -+{ -+ paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT); - set_pmd(pmd, __pmd(__pa(pte) | _PAGE_TABLE)); - } - -@@ -108,12 +115,22 @@ static inline void __pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd, - - #ifdef CONFIG_X86_PAE - extern void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd); -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) -+{ -+ pud_populate(mm, pudp, pmd); -+} - #else /* !CONFIG_X86_PAE */ - static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) - { - paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT); - set_pud(pud, __pud(_PAGE_TABLE | __pa(pmd))); - } -+ -+static inline void pud_populate_kernel(struct mm_struct *mm, pud_t *pud, pmd_t *pmd) -+{ -+ paravirt_alloc_pmd(mm, __pa(pmd) >> PAGE_SHIFT); -+ set_pud(pud, __pud(_KERNPG_TABLE | __pa(pmd))); -+} - #endif /* CONFIG_X86_PAE */ - - #if CONFIG_PGTABLE_LEVELS > 3 -@@ -123,6 +140,12 @@ static inline void pgd_populate(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) - set_pgd(pgd, __pgd(_PAGE_TABLE | __pa(pud))); - } - -+static inline void pgd_populate_kernel(struct mm_struct *mm, pgd_t *pgd, pud_t *pud) -+{ -+ paravirt_alloc_pud(mm, __pa(pud) >> PAGE_SHIFT); -+ set_pgd(pgd, __pgd(_KERNPG_TABLE | __pa(pud))); -+} -+ - static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) - { - return (pud_t *)get_zeroed_page(GFP_KERNEL|__GFP_REPEAT); -diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h -index fd74a11..35fd5af 100644 ---- a/arch/x86/include/asm/pgtable-2level.h -+++ b/arch/x86/include/asm/pgtable-2level.h -@@ -18,7 +18,9 @@ static inline void native_set_pte(pte_t *ptep , pte_t pte) - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - *pmdp = pmd; -+ pax_close_kernel(); - } - - static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) -diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h -index cdaa58c..e61122b 100644 ---- a/arch/x86/include/asm/pgtable-3level.h -+++ b/arch/x86/include/asm/pgtable-3level.h -@@ -92,12 +92,16 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - set_64bit((unsigned long long *)(pmdp), native_pmd_val(pmd)); -+ pax_close_kernel(); - } - - static inline void native_set_pud(pud_t *pudp, pud_t pud) - { -+ pax_open_kernel(); - set_64bit((unsigned long long *)(pudp), native_pud_val(pud)); -+ pax_close_kernel(); - } - - /* -diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h -index fe57e7a..0573d42 100644 ---- a/arch/x86/include/asm/pgtable.h -+++ b/arch/x86/include/asm/pgtable.h -@@ -47,6 +47,7 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page); - - #ifndef __PAGETABLE_PUD_FOLDED - #define set_pgd(pgdp, pgd) native_set_pgd(pgdp, pgd) -+#define set_pgd_batched(pgdp, pgd) native_set_pgd_batched(pgdp, pgd) - #define pgd_clear(pgd) native_pgd_clear(pgd) - #endif - -@@ -84,12 +85,53 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page); - - #define arch_end_context_switch(prev) do {} while(0) - -+#define pax_open_kernel() native_pax_open_kernel() -+#define pax_close_kernel() native_pax_close_kernel() - #endif /* CONFIG_PARAVIRT */ - -+#define __HAVE_ARCH_PAX_OPEN_KERNEL -+#define __HAVE_ARCH_PAX_CLOSE_KERNEL -+ -+#ifdef CONFIG_PAX_KERNEXEC -+static inline unsigned long native_pax_open_kernel(void) -+{ -+ unsigned long cr0; -+ -+ preempt_disable(); -+ barrier(); -+ cr0 = read_cr0() ^ X86_CR0_WP; -+ BUG_ON(cr0 & X86_CR0_WP); -+ write_cr0(cr0); -+ barrier(); -+ return cr0 ^ X86_CR0_WP; -+} -+ -+static inline unsigned long native_pax_close_kernel(void) -+{ -+ unsigned long cr0; -+ -+ barrier(); -+ cr0 = read_cr0() ^ X86_CR0_WP; -+ BUG_ON(!(cr0 & X86_CR0_WP)); -+ write_cr0(cr0); -+ barrier(); -+ preempt_enable_no_resched(); -+ return cr0 ^ X86_CR0_WP; -+} -+#else -+static inline unsigned long native_pax_open_kernel(void) { return 0; } -+static inline unsigned long native_pax_close_kernel(void) { return 0; } -+#endif -+ - /* - * The following only work if pte_present() is true. - * Undefined behaviour if not.. - */ -+static inline int pte_user(pte_t pte) -+{ -+ return pte_val(pte) & _PAGE_USER; -+} -+ - static inline int pte_dirty(pte_t pte) - { - return pte_flags(pte) & _PAGE_DIRTY; -@@ -150,6 +192,11 @@ static inline unsigned long pud_pfn(pud_t pud) - return (pud_val(pud) & PTE_PFN_MASK) >> PAGE_SHIFT; - } - -+static inline unsigned long pgd_pfn(pgd_t pgd) -+{ -+ return (pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT; -+} -+ - #define pte_page(pte) pfn_to_page(pte_pfn(pte)) - - static inline int pmd_large(pmd_t pte) -@@ -203,9 +250,29 @@ static inline pte_t pte_wrprotect(pte_t pte) - return pte_clear_flags(pte, _PAGE_RW); - } - -+static inline pte_t pte_mkread(pte_t pte) -+{ -+ return __pte(pte_val(pte) | _PAGE_USER); -+} -+ - static inline pte_t pte_mkexec(pte_t pte) - { -- return pte_clear_flags(pte, _PAGE_NX); -+#ifdef CONFIG_X86_PAE -+ if (__supported_pte_mask & _PAGE_NX) -+ return pte_clear_flags(pte, _PAGE_NX); -+ else -+#endif -+ return pte_set_flags(pte, _PAGE_USER); -+} -+ -+static inline pte_t pte_exprotect(pte_t pte) -+{ -+#ifdef CONFIG_X86_PAE -+ if (__supported_pte_mask & _PAGE_NX) -+ return pte_set_flags(pte, _PAGE_NX); -+ else -+#endif -+ return pte_clear_flags(pte, _PAGE_USER); - } - - static inline pte_t pte_mkdirty(pte_t pte) -@@ -420,6 +487,16 @@ pte_t *populate_extra_pte(unsigned long vaddr); - #endif - - #ifndef __ASSEMBLY__ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+extern pgd_t cpu_pgd[NR_CPUS][2][PTRS_PER_PGD]; -+enum cpu_pgd_type {kernel = 0, user = 1}; -+static inline pgd_t *get_cpu_pgd(unsigned int cpu, enum cpu_pgd_type type) -+{ -+ return cpu_pgd[cpu][type]; -+} -+#endif -+ - #include <linux/mm_types.h> - #include <linux/mmdebug.h> - #include <linux/log2.h> -@@ -571,7 +648,7 @@ static inline unsigned long pud_page_vaddr(pud_t pud) - * Currently stuck as a macro due to indirect forward reference to - * linux/mmzone.h's __section_mem_map_addr() definition: - */ --#define pud_page(pud) pfn_to_page(pud_val(pud) >> PAGE_SHIFT) -+#define pud_page(pud) pfn_to_page((pud_val(pud) & PTE_PFN_MASK) >> PAGE_SHIFT) - - /* Find an entry in the second-level page table.. */ - static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) -@@ -611,7 +688,7 @@ static inline unsigned long pgd_page_vaddr(pgd_t pgd) - * Currently stuck as a macro due to indirect forward reference to - * linux/mmzone.h's __section_mem_map_addr() definition: - */ --#define pgd_page(pgd) pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT) -+#define pgd_page(pgd) pfn_to_page((pgd_val(pgd) & PTE_PFN_MASK) >> PAGE_SHIFT) - - /* to find an entry in a page-table-directory. */ - static inline unsigned long pud_index(unsigned long address) -@@ -626,7 +703,7 @@ static inline pud_t *pud_offset(pgd_t *pgd, unsigned long address) - - static inline int pgd_bad(pgd_t pgd) - { -- return (pgd_flags(pgd) & ~_PAGE_USER) != _KERNPG_TABLE; -+ return (pgd_flags(pgd) & ~(_PAGE_USER | _PAGE_NX)) != _KERNPG_TABLE; - } - - static inline int pgd_none(pgd_t pgd) -@@ -649,7 +726,12 @@ static inline int pgd_none(pgd_t pgd) - * pgd_offset() returns a (pgd_t *) - * pgd_index() is used get the offset into the pgd page's array of pgd_t's; - */ --#define pgd_offset(mm, address) ((mm)->pgd + pgd_index((address))) -+#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+#define pgd_offset_cpu(cpu, type, address) (get_cpu_pgd(cpu, type) + pgd_index(address)) -+#endif -+ - /* - * a shortcut which implies the use of the kernel's pgd, instead - * of a process's -@@ -660,6 +742,25 @@ static inline int pgd_none(pgd_t pgd) - #define KERNEL_PGD_BOUNDARY pgd_index(PAGE_OFFSET) - #define KERNEL_PGD_PTRS (PTRS_PER_PGD - KERNEL_PGD_BOUNDARY) - -+#ifdef CONFIG_X86_32 -+#define USER_PGD_PTRS KERNEL_PGD_BOUNDARY -+#else -+#define TASK_SIZE_MAX_SHIFT CONFIG_TASK_SIZE_MAX_SHIFT -+#define USER_PGD_PTRS (_AC(1,UL) << (TASK_SIZE_MAX_SHIFT - PGDIR_SHIFT)) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#ifdef __ASSEMBLY__ -+#define pax_user_shadow_base pax_user_shadow_base(%rip) -+#else -+extern unsigned long pax_user_shadow_base; -+extern pgdval_t clone_pgd_mask; -+#endif -+#else -+#define pax_user_shadow_base (0UL) -+#endif -+ -+#endif -+ - #ifndef __ASSEMBLY__ - - extern int direct_gbpages; -@@ -826,11 +927,24 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm, - * dst and src can be on the same page, but the range must not overlap, - * and must not cross a page boundary. - */ --static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count) -+static inline void clone_pgd_range(pgd_t *dst, const pgd_t *src, int count) - { -- memcpy(dst, src, count * sizeof(pgd_t)); -+ pax_open_kernel(); -+ while (count--) -+ *dst++ = *src++; -+ pax_close_kernel(); - } - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+extern void __clone_user_pgds(pgd_t *dst, const pgd_t *src); -+#endif -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+extern void __shadow_user_pgds(pgd_t *dst, const pgd_t *src); -+#else -+static inline void __shadow_user_pgds(pgd_t *dst, const pgd_t *src) {} -+#endif -+ - #define PTE_SHIFT ilog2(PTRS_PER_PTE) - static inline int page_level_shift(enum pg_level level) - { -diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h -index b6c0b40..3535d47 100644 ---- a/arch/x86/include/asm/pgtable_32.h -+++ b/arch/x86/include/asm/pgtable_32.h -@@ -25,9 +25,6 @@ - struct mm_struct; - struct vm_area_struct; - --extern pgd_t swapper_pg_dir[1024]; --extern pgd_t initial_page_table[1024]; -- - static inline void pgtable_cache_init(void) { } - static inline void check_pgt_cache(void) { } - void paging_init(void); -@@ -45,6 +42,12 @@ void paging_init(void); - # include <asm/pgtable-2level.h> - #endif - -+extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; -+extern pgd_t initial_page_table[PTRS_PER_PGD]; -+#ifdef CONFIG_X86_PAE -+extern pmd_t swapper_pm_dir[PTRS_PER_PGD][PTRS_PER_PMD]; -+#endif -+ - #if defined(CONFIG_HIGHPTE) - #define pte_offset_map(dir, address) \ - ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \ -@@ -59,12 +62,17 @@ void paging_init(void); - /* Clear a kernel PTE and flush it from the TLB */ - #define kpte_clear_flush(ptep, vaddr) \ - do { \ -+ pax_open_kernel(); \ - pte_clear(&init_mm, (vaddr), (ptep)); \ -+ pax_close_kernel(); \ - __flush_tlb_one((vaddr)); \ - } while (0) - - #endif /* !__ASSEMBLY__ */ - -+#define HAVE_ARCH_UNMAPPED_AREA -+#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN -+ - /* - * kern_addr_valid() is (1) for FLATMEM and (0) for - * SPARSEMEM and DISCONTIGMEM -diff --git a/arch/x86/include/asm/pgtable_32_types.h b/arch/x86/include/asm/pgtable_32_types.h -index 9fb2f2b..b04b4bf 100644 ---- a/arch/x86/include/asm/pgtable_32_types.h -+++ b/arch/x86/include/asm/pgtable_32_types.h -@@ -8,7 +8,7 @@ - */ - #ifdef CONFIG_X86_PAE - # include <asm/pgtable-3level_types.h> --# define PMD_SIZE (1UL << PMD_SHIFT) -+# define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) - # define PMD_MASK (~(PMD_SIZE - 1)) - #else - # include <asm/pgtable-2level_types.h> -@@ -46,6 +46,19 @@ extern bool __vmalloc_start_set; /* set once high_memory is set */ - # define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE) - #endif - -+#ifdef CONFIG_PAX_KERNEXEC -+#ifndef __ASSEMBLY__ -+extern unsigned char MODULES_EXEC_VADDR[]; -+extern unsigned char MODULES_EXEC_END[]; -+#endif -+#include <asm/boot.h> -+#define ktla_ktva(addr) (addr + LOAD_PHYSICAL_ADDR + PAGE_OFFSET) -+#define ktva_ktla(addr) (addr - LOAD_PHYSICAL_ADDR - PAGE_OFFSET) -+#else -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+#endif -+ - #define MODULES_VADDR VMALLOC_START - #define MODULES_END VMALLOC_END - #define MODULES_LEN (MODULES_VADDR - MODULES_END) -diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h -index 2ee7811..55aca24 100644 ---- a/arch/x86/include/asm/pgtable_64.h -+++ b/arch/x86/include/asm/pgtable_64.h -@@ -16,11 +16,16 @@ - - extern pud_t level3_kernel_pgt[512]; - extern pud_t level3_ident_pgt[512]; -+extern pud_t level3_vmalloc_start_pgt[512]; -+extern pud_t level3_vmalloc_end_pgt[512]; -+extern pud_t level3_vmemmap_pgt[512]; -+extern pud_t level2_vmemmap_pgt[512]; - extern pmd_t level2_kernel_pgt[512]; - extern pmd_t level2_fixmap_pgt[512]; --extern pmd_t level2_ident_pgt[512]; --extern pte_t level1_fixmap_pgt[512]; --extern pgd_t init_level4_pgt[]; -+extern pmd_t level2_ident_pgt[2][512]; -+extern pte_t level1_fixmap_pgt[3][512]; -+extern pte_t level1_vsyscall_pgt[512]; -+extern pgd_t init_level4_pgt[512]; - - #define swapper_pg_dir init_level4_pgt - -@@ -62,7 +67,9 @@ static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - *pmdp = pmd; -+ pax_close_kernel(); - } - - static inline void native_pmd_clear(pmd_t *pmd) -@@ -98,7 +105,9 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp) - - static inline void native_set_pud(pud_t *pudp, pud_t pud) - { -+ pax_open_kernel(); - *pudp = pud; -+ pax_close_kernel(); - } - - static inline void native_pud_clear(pud_t *pud) -@@ -108,6 +117,13 @@ static inline void native_pud_clear(pud_t *pud) - - static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd) - { -+ pax_open_kernel(); -+ *pgdp = pgd; -+ pax_close_kernel(); -+} -+ -+static inline void native_set_pgd_batched(pgd_t *pgdp, pgd_t pgd) -+{ - *pgdp = pgd; - } - -diff --git a/arch/x86/include/asm/pgtable_64_types.h b/arch/x86/include/asm/pgtable_64_types.h -index e6844df..432b56e 100644 ---- a/arch/x86/include/asm/pgtable_64_types.h -+++ b/arch/x86/include/asm/pgtable_64_types.h -@@ -60,11 +60,16 @@ typedef struct { pteval_t pte; } pte_t; - #define MODULES_VADDR (__START_KERNEL_map + KERNEL_IMAGE_SIZE) - #define MODULES_END _AC(0xffffffffff000000, UL) - #define MODULES_LEN (MODULES_END - MODULES_VADDR) -+#define MODULES_EXEC_VADDR MODULES_VADDR -+#define MODULES_EXEC_END MODULES_END - #define ESPFIX_PGD_ENTRY _AC(-2, UL) - #define ESPFIX_BASE_ADDR (ESPFIX_PGD_ENTRY << PGDIR_SHIFT) - #define EFI_VA_START ( -4 * (_AC(1, UL) << 30)) - #define EFI_VA_END (-68 * (_AC(1, UL) << 30)) - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #define EARLY_DYNAMIC_PAGE_TABLES 64 - - #endif /* _ASM_X86_PGTABLE_64_DEFS_H */ -diff --git a/arch/x86/include/asm/pgtable_types.h b/arch/x86/include/asm/pgtable_types.h -index 78f0c8c..4424bb0 100644 ---- a/arch/x86/include/asm/pgtable_types.h -+++ b/arch/x86/include/asm/pgtable_types.h -@@ -85,8 +85,10 @@ - - #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) --#else -+#elif defined(CONFIG_KMEMCHECK) || defined(CONFIG_MEM_SOFT_DIRTY) - #define _PAGE_NX (_AT(pteval_t, 0)) -+#else -+#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN) - #endif - - #define _PAGE_PROTNONE (_AT(pteval_t, 1) << _PAGE_BIT_PROTNONE) -@@ -141,6 +143,9 @@ enum page_cache_mode { - #define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED) - -+#define PAGE_READONLY_NOEXEC PAGE_READONLY -+#define PAGE_SHARED_NOEXEC PAGE_SHARED -+ - #define __PAGE_KERNEL_EXEC \ - (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL) - #define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX) -@@ -148,7 +153,7 @@ enum page_cache_mode { - #define __PAGE_KERNEL_RO (__PAGE_KERNEL & ~_PAGE_RW) - #define __PAGE_KERNEL_RX (__PAGE_KERNEL_EXEC & ~_PAGE_RW) - #define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_NOCACHE) --#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER) -+#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RO | _PAGE_USER) - #define __PAGE_KERNEL_VVAR (__PAGE_KERNEL_RO | _PAGE_USER) - #define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) - #define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) -@@ -194,7 +199,7 @@ enum page_cache_mode { - #ifdef CONFIG_X86_64 - #define __PAGE_KERNEL_IDENT_LARGE_EXEC __PAGE_KERNEL_LARGE_EXEC - #else --#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ -+#define PTE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ - #define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ - #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ - #endif -@@ -233,7 +238,17 @@ static inline pgdval_t pgd_flags(pgd_t pgd) - { - return native_pgd_val(pgd) & PTE_FLAGS_MASK; - } -+#endif - -+#if CONFIG_PGTABLE_LEVELS == 3 -+#include <asm-generic/pgtable-nopud.h> -+#endif -+ -+#if CONFIG_PGTABLE_LEVELS == 2 -+#include <asm-generic/pgtable-nopmd.h> -+#endif -+ -+#ifndef __ASSEMBLY__ - #if CONFIG_PGTABLE_LEVELS > 3 - typedef struct { pudval_t pud; } pud_t; - -@@ -247,8 +262,6 @@ static inline pudval_t native_pud_val(pud_t pud) - return pud.pud; - } - #else --#include <asm-generic/pgtable-nopud.h> -- - static inline pudval_t native_pud_val(pud_t pud) - { - return native_pgd_val(pud.pgd); -@@ -268,8 +281,6 @@ static inline pmdval_t native_pmd_val(pmd_t pmd) - return pmd.pmd; - } - #else --#include <asm-generic/pgtable-nopmd.h> -- - static inline pmdval_t native_pmd_val(pmd_t pmd) - { - return native_pgd_val(pmd.pud.pgd); -@@ -362,7 +373,6 @@ typedef struct page *pgtable_t; - - extern pteval_t __supported_pte_mask; - extern void set_nx(void); --extern int nx_enabled; - - #define pgprot_writecombine pgprot_writecombine - extern pgprot_t pgprot_writecombine(pgprot_t prot); -diff --git a/arch/x86/include/asm/preempt.h b/arch/x86/include/asm/preempt.h -index 8f327184..368fb29 100644 ---- a/arch/x86/include/asm/preempt.h -+++ b/arch/x86/include/asm/preempt.h -@@ -84,7 +84,7 @@ static __always_inline void __preempt_count_sub(int val) - */ - static __always_inline bool __preempt_count_dec_and_test(void) - { -- GEN_UNARY_RMWcc("decl", __preempt_count, __percpu_arg(0), "e"); -+ GEN_UNARY_RMWcc("decl", "incl", __preempt_count, __percpu_arg(0), "e"); - } - - /* -diff --git a/arch/x86/include/asm/processor.h b/arch/x86/include/asm/processor.h -index 23ba676..6584489 100644 ---- a/arch/x86/include/asm/processor.h -+++ b/arch/x86/include/asm/processor.h -@@ -130,7 +130,7 @@ struct cpuinfo_x86 { - /* Index into per_cpu list: */ - u16 cpu_index; - u32 microcode; --}; -+} __randomize_layout; - - #define X86_VENDOR_INTEL 0 - #define X86_VENDOR_CYRIX 1 -@@ -201,9 +201,21 @@ static inline void native_cpuid(unsigned int *eax, unsigned int *ebx, - : "memory"); - } - -+/* invpcid (%rdx),%rax */ -+#define __ASM_INVPCID ".byte 0x66,0x0f,0x38,0x82,0x02" -+ -+#define INVPCID_SINGLE_ADDRESS 0UL -+#define INVPCID_SINGLE_CONTEXT 1UL -+#define INVPCID_ALL_GLOBAL 2UL -+#define INVPCID_ALL_NONGLOBAL 3UL -+ -+#define PCID_KERNEL 0UL -+#define PCID_USER 1UL -+#define PCID_NOFLUSH (1UL << 63) -+ - static inline void load_cr3(pgd_t *pgdir) - { -- write_cr3(__pa(pgdir)); -+ write_cr3(__pa(pgdir) | PCID_KERNEL); - } - - #ifdef CONFIG_X86_32 -@@ -300,7 +312,7 @@ struct tss_struct { - - } ____cacheline_aligned; - --DECLARE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss); -+extern struct tss_struct cpu_tss[NR_CPUS]; - - #ifdef CONFIG_X86_32 - DECLARE_PER_CPU(unsigned long, cpu_current_top_of_stack); -@@ -500,6 +512,7 @@ struct thread_struct { - unsigned short ds; - unsigned short fsindex; - unsigned short gsindex; -+ unsigned short ss; - #endif - #ifdef CONFIG_X86_32 - unsigned long ip; -@@ -585,10 +598,10 @@ static inline void native_swapgs(void) - #endif - } - --static inline unsigned long current_top_of_stack(void) -+static inline unsigned long current_top_of_stack(unsigned int cpu) - { - #ifdef CONFIG_X86_64 -- return this_cpu_read_stable(cpu_tss.x86_tss.sp0); -+ return cpu_tss[cpu].x86_tss.sp0; - #else - /* sp0 on x86_32 is special in and around vm86 mode. */ - return this_cpu_read_stable(cpu_current_top_of_stack); -@@ -837,8 +850,15 @@ static inline void spin_lock_prefetch(const void *x) - */ - #define TASK_SIZE PAGE_OFFSET - #define TASK_SIZE_MAX TASK_SIZE -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+#define SEGMEXEC_TASK_SIZE (TASK_SIZE / 2) -+#define STACK_TOP ((current->mm->pax_flags & MF_PAX_SEGMEXEC)?SEGMEXEC_TASK_SIZE:TASK_SIZE) -+#else - #define STACK_TOP TASK_SIZE --#define STACK_TOP_MAX STACK_TOP -+#endif -+ -+#define STACK_TOP_MAX TASK_SIZE - - #define INIT_THREAD { \ - .sp0 = TOP_OF_INIT_STACK, \ -@@ -859,12 +879,7 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); - * "struct pt_regs" is possible, but they may contain the - * completely wrong values. - */ --#define task_pt_regs(task) \ --({ \ -- unsigned long __ptr = (unsigned long)task_stack_page(task); \ -- __ptr += THREAD_SIZE - TOP_OF_KERNEL_STACK_PADDING; \ -- ((struct pt_regs *)__ptr) - 1; \ --}) -+#define task_pt_regs(tsk) ((struct pt_regs *)(tsk)->thread.sp0 - 1) - - #define KSTK_ESP(task) (task_pt_regs(task)->sp) - -@@ -878,13 +893,13 @@ extern unsigned long thread_saved_pc(struct task_struct *tsk); - * particular problem by preventing anything from being mapped - * at the maximum canonical address. - */ --#define TASK_SIZE_MAX ((1UL << 47) - PAGE_SIZE) -+#define TASK_SIZE_MAX ((1UL << TASK_SIZE_MAX_SHIFT) - PAGE_SIZE) - - /* This decides where the kernel will search for a free chunk of vm - * space during mmap's. - */ - #define IA32_PAGE_OFFSET ((current->personality & ADDR_LIMIT_3GB) ? \ -- 0xc0000000 : 0xFFFFe000) -+ 0xc0000000 : 0xFFFFf000) - - #define TASK_SIZE (test_thread_flag(TIF_ADDR32) ? \ - IA32_PAGE_OFFSET : TASK_SIZE_MAX) -@@ -918,6 +933,10 @@ extern void start_thread(struct pt_regs *regs, unsigned long new_ip, - */ - #define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3)) - -+#ifdef CONFIG_PAX_SEGMEXEC -+#define SEGMEXEC_TASK_UNMAPPED_BASE (PAGE_ALIGN(SEGMEXEC_TASK_SIZE / 3)) -+#endif -+ - #define KSTK_EIP(task) (task_pt_regs(task)->ip) - - /* Get/set a process' ability to use the timestamp counter instruction */ -@@ -962,7 +981,7 @@ static inline uint32_t hypervisor_cpuid_base(const char *sig, uint32_t leaves) - return 0; - } - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - extern void free_init_pages(char *what, unsigned long begin, unsigned long end); - - void default_idle(void); -@@ -972,6 +991,6 @@ bool xen_set_default_idle(void); - #define xen_set_default_idle 0 - #endif - --void stop_this_cpu(void *dummy); -+void stop_this_cpu(void *dummy) __noreturn; - void df_debug(struct pt_regs *regs, long error_code); - #endif /* _ASM_X86_PROCESSOR_H */ -diff --git a/arch/x86/include/asm/ptrace.h b/arch/x86/include/asm/ptrace.h -index 5fabf13..7388158 100644 ---- a/arch/x86/include/asm/ptrace.h -+++ b/arch/x86/include/asm/ptrace.h -@@ -125,15 +125,16 @@ static inline int v8086_mode(struct pt_regs *regs) - #ifdef CONFIG_X86_64 - static inline bool user_64bit_mode(struct pt_regs *regs) - { -+ unsigned long cs = regs->cs & 0xffff; - #ifndef CONFIG_PARAVIRT - /* - * On non-paravirt systems, this is the only long mode CPL 3 - * selector. We do not allow long mode selectors in the LDT. - */ -- return regs->cs == __USER_CS; -+ return cs == __USER_CS; - #else - /* Headers are too twisted for this to go in paravirt.h. */ -- return regs->cs == __USER_CS || regs->cs == pv_info.extra_user_64bit_cs; -+ return cs == __USER_CS || cs == pv_info.extra_user_64bit_cs; - #endif - } - -@@ -180,9 +181,11 @@ static inline unsigned long regs_get_register(struct pt_regs *regs, - * Traps from the kernel do not save sp and ss. - * Use the helper function to retrieve sp. - */ -- if (offset == offsetof(struct pt_regs, sp) && -- regs->cs == __KERNEL_CS) -- return kernel_stack_pointer(regs); -+ if (offset == offsetof(struct pt_regs, sp)) { -+ unsigned long cs = regs->cs & 0xffff; -+ if (cs == __KERNEL_CS || cs == __KERNEXEC_KERNEL_CS) -+ return kernel_stack_pointer(regs); -+ } - #endif - return *(unsigned long *)((unsigned long)regs + offset); - } -diff --git a/arch/x86/include/asm/qrwlock.h b/arch/x86/include/asm/qrwlock.h -index ae0e241..e80b10b 100644 ---- a/arch/x86/include/asm/qrwlock.h -+++ b/arch/x86/include/asm/qrwlock.h -@@ -7,8 +7,8 @@ - #define queue_write_unlock queue_write_unlock - static inline void queue_write_unlock(struct qrwlock *lock) - { -- barrier(); -- ACCESS_ONCE(*(u8 *)&lock->cnts) = 0; -+ barrier(); -+ ACCESS_ONCE_RW(*(u8 *)&lock->cnts) = 0; - } - #endif - -diff --git a/arch/x86/include/asm/realmode.h b/arch/x86/include/asm/realmode.h -index 9c6b890..5305f53 100644 ---- a/arch/x86/include/asm/realmode.h -+++ b/arch/x86/include/asm/realmode.h -@@ -22,16 +22,14 @@ struct real_mode_header { - #endif - /* APM/BIOS reboot */ - u32 machine_real_restart_asm; --#ifdef CONFIG_X86_64 - u32 machine_real_restart_seg; --#endif - }; - - /* This must match data at trampoline_32/64.S */ - struct trampoline_header { - #ifdef CONFIG_X86_32 - u32 start; -- u16 gdt_pad; -+ u16 boot_cs; - u16 gdt_limit; - u32 gdt_base; - #else -diff --git a/arch/x86/include/asm/reboot.h b/arch/x86/include/asm/reboot.h -index a82c4f1..ac45053 100644 ---- a/arch/x86/include/asm/reboot.h -+++ b/arch/x86/include/asm/reboot.h -@@ -6,13 +6,13 @@ - struct pt_regs; - - struct machine_ops { -- void (*restart)(char *cmd); -- void (*halt)(void); -- void (*power_off)(void); -+ void (* __noreturn restart)(char *cmd); -+ void (* __noreturn halt)(void); -+ void (* __noreturn power_off)(void); - void (*shutdown)(void); - void (*crash_shutdown)(struct pt_regs *); -- void (*emergency_restart)(void); --}; -+ void (* __noreturn emergency_restart)(void); -+} __no_const; - - extern struct machine_ops machine_ops; - -diff --git a/arch/x86/include/asm/rmwcc.h b/arch/x86/include/asm/rmwcc.h -index 8f7866a..e442f20 100644 ---- a/arch/x86/include/asm/rmwcc.h -+++ b/arch/x86/include/asm/rmwcc.h -@@ -3,7 +3,34 @@ - - #ifdef CC_HAVE_ASM_GOTO - --#define __GEN_RMWcc(fullop, var, cc, ...) \ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \ -+do { \ -+ asm_volatile_goto (fullop \ -+ ";jno 0f\n" \ -+ fullantiop \ -+ ";int $4\n0:\n" \ -+ _ASM_EXTABLE(0b, 0b) \ -+ ";j" cc " %l[cc_label]" \ -+ : : "m" (var), ## __VA_ARGS__ \ -+ : "memory" : cc_label); \ -+ return 0; \ -+cc_label: \ -+ return 1; \ -+} while (0) -+#else -+#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \ -+do { \ -+ asm_volatile_goto (fullop ";j" cc " %l[cc_label]" \ -+ : : "m" (var), ## __VA_ARGS__ \ -+ : "memory" : cc_label); \ -+ return 0; \ -+cc_label: \ -+ return 1; \ -+} while (0) -+#endif -+ -+#define __GEN_RMWcc_unchecked(fullop, var, cc, ...) \ - do { \ - asm_volatile_goto (fullop "; j" cc " %l[cc_label]" \ - : : "m" (var), ## __VA_ARGS__ \ -@@ -13,15 +40,46 @@ cc_label: \ - return 1; \ - } while (0) - --#define GEN_UNARY_RMWcc(op, var, arg0, cc) \ -- __GEN_RMWcc(op " " arg0, var, cc) -+#define GEN_UNARY_RMWcc(op, antiop, var, arg0, cc) \ -+ __GEN_RMWcc(op " " arg0, antiop " " arg0, var, cc) - --#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \ -- __GEN_RMWcc(op " %1, " arg0, var, cc, vcon (val)) -+#define GEN_UNARY_RMWcc_unchecked(op, var, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " " arg0, var, cc) -+ -+#define GEN_BINARY_RMWcc(op, antiop, var, vcon, val, arg0, cc) \ -+ __GEN_RMWcc(op " %1, " arg0, antiop " %1, " arg0, var, cc, vcon (val)) -+ -+#define GEN_BINARY_RMWcc_unchecked(op, var, vcon, val, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " %1, " arg0, var, cc, vcon (val)) - - #else /* !CC_HAVE_ASM_GOTO */ - --#define __GEN_RMWcc(fullop, var, cc, ...) \ -+#ifdef CONFIG_PAX_REFCOUNT -+#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \ -+do { \ -+ char c; \ -+ asm volatile (fullop \ -+ ";jno 0f\n" \ -+ fullantiop \ -+ ";int $4\n0:\n" \ -+ _ASM_EXTABLE(0b, 0b) \ -+ "; set" cc " %1" \ -+ : "+m" (var), "=qm" (c) \ -+ : __VA_ARGS__ : "memory"); \ -+ return c != 0; \ -+} while (0) -+#else -+#define __GEN_RMWcc(fullop, fullantiop, var, cc, ...) \ -+do { \ -+ char c; \ -+ asm volatile (fullop "; set" cc " %1" \ -+ : "+m" (var), "=qm" (c) \ -+ : __VA_ARGS__ : "memory"); \ -+ return c != 0; \ -+} while (0) -+#endif -+ -+#define __GEN_RMWcc_unchecked(fullop, var, cc, ...) \ - do { \ - char c; \ - asm volatile (fullop "; set" cc " %1" \ -@@ -30,11 +88,17 @@ do { \ - return c != 0; \ - } while (0) - --#define GEN_UNARY_RMWcc(op, var, arg0, cc) \ -- __GEN_RMWcc(op " " arg0, var, cc) -+#define GEN_UNARY_RMWcc(op, antiop, var, arg0, cc) \ -+ __GEN_RMWcc(op " " arg0, antiop " " arg0, var, cc) -+ -+#define GEN_UNARY_RMWcc_unchecked(op, var, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " " arg0, var, cc) -+ -+#define GEN_BINARY_RMWcc(op, antiop, var, vcon, val, arg0, cc) \ -+ __GEN_RMWcc(op " %2, " arg0, antiop " %2, " arg0, var, cc, vcon (val)) - --#define GEN_BINARY_RMWcc(op, var, vcon, val, arg0, cc) \ -- __GEN_RMWcc(op " %2, " arg0, var, cc, vcon (val)) -+#define GEN_BINARY_RMWcc_unchecked(op, var, vcon, val, arg0, cc) \ -+ __GEN_RMWcc_unchecked(op " %2, " arg0, var, cc, vcon (val)) - - #endif /* CC_HAVE_ASM_GOTO */ - -diff --git a/arch/x86/include/asm/rwsem.h b/arch/x86/include/asm/rwsem.h -index cad82c9..2e5c5c1 100644 ---- a/arch/x86/include/asm/rwsem.h -+++ b/arch/x86/include/asm/rwsem.h -@@ -64,6 +64,14 @@ static inline void __down_read(struct rw_semaphore *sem) - { - asm volatile("# beginning down_read\n\t" - LOCK_PREFIX _ASM_INC "(%1)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX _ASM_DEC "(%1)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* adds 0x00000001 */ - " jns 1f\n" - " call call_rwsem_down_read_failed\n" -@@ -85,6 +93,14 @@ static inline int __down_read_trylock(struct rw_semaphore *sem) - "1:\n\t" - " mov %1,%2\n\t" - " add %3,%2\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "sub %3,%2\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - " jle 2f\n\t" - LOCK_PREFIX " cmpxchg %2,%0\n\t" - " jnz 1b\n\t" -@@ -104,6 +120,14 @@ static inline void __down_write_nested(struct rw_semaphore *sem, int subclass) - long tmp; - asm volatile("# beginning down_write\n\t" - LOCK_PREFIX " xadd %1,(%2)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "mov %1,(%2)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* adds 0xffff0001, returns the old value */ - " test " __ASM_SEL(%w1,%k1) "," __ASM_SEL(%w1,%k1) "\n\t" - /* was the active mask 0 before? */ -@@ -155,6 +179,14 @@ static inline void __up_read(struct rw_semaphore *sem) - long tmp; - asm volatile("# beginning __up_read\n\t" - LOCK_PREFIX " xadd %1,(%2)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "mov %1,(%2)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* subtracts 1, returns the old value */ - " jns 1f\n\t" - " call call_rwsem_wake\n" /* expects old value in %edx */ -@@ -173,6 +205,14 @@ static inline void __up_write(struct rw_semaphore *sem) - long tmp; - asm volatile("# beginning __up_write\n\t" - LOCK_PREFIX " xadd %1,(%2)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "mov %1,(%2)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* subtracts 0xffff0001, returns the old value */ - " jns 1f\n\t" - " call call_rwsem_wake\n" /* expects old value in %edx */ -@@ -190,6 +230,14 @@ static inline void __downgrade_write(struct rw_semaphore *sem) - { - asm volatile("# beginning __downgrade_write\n\t" - LOCK_PREFIX _ASM_ADD "%2,(%1)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX _ASM_SUB "%2,(%1)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* - * transitions 0xZZZZ0001 -> 0xYYYY0001 (i386) - * 0xZZZZZZZZ00000001 -> 0xYYYYYYYY00000001 (x86_64) -@@ -208,7 +256,15 @@ static inline void __downgrade_write(struct rw_semaphore *sem) - */ - static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem) - { -- asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0" -+ asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX _ASM_SUB "%1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - : "+m" (sem->count) - : "er" (delta)); - } -@@ -218,7 +274,7 @@ static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem) - */ - static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem) - { -- return delta + xadd(&sem->count, delta); -+ return delta + xadd_check_overflow(&sem->count, delta); - } - - #endif /* __KERNEL__ */ -diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h -index 7d5a192..23ef1aa 100644 ---- a/arch/x86/include/asm/segment.h -+++ b/arch/x86/include/asm/segment.h -@@ -82,14 +82,20 @@ - * 26 - ESPFIX small SS - * 27 - per-cpu [ offset to per-cpu data area ] - * 28 - stack_canary-20 [ for stack protector ] <=== cacheline #8 -- * 29 - unused -- * 30 - unused -+ * 29 - PCI BIOS CS -+ * 30 - PCI BIOS DS - * 31 - TSS for double fault handler - */ -+#define GDT_ENTRY_KERNEXEC_EFI_CS (1) -+#define GDT_ENTRY_KERNEXEC_EFI_DS (2) -+#define __KERNEXEC_EFI_CS (GDT_ENTRY_KERNEXEC_EFI_CS*8) -+#define __KERNEXEC_EFI_DS (GDT_ENTRY_KERNEXEC_EFI_DS*8) -+ - #define GDT_ENTRY_TLS_MIN 6 - #define GDT_ENTRY_TLS_MAX (GDT_ENTRY_TLS_MIN + GDT_ENTRY_TLS_ENTRIES - 1) - - #define GDT_ENTRY_KERNEL_CS 12 -+#define GDT_ENTRY_KERNEXEC_KERNEL_CS 4 - #define GDT_ENTRY_KERNEL_DS 13 - #define GDT_ENTRY_DEFAULT_USER_CS 14 - #define GDT_ENTRY_DEFAULT_USER_DS 15 -@@ -106,6 +112,12 @@ - #define GDT_ENTRY_PERCPU 27 - #define GDT_ENTRY_STACK_CANARY 28 - -+#define GDT_ENTRY_PCIBIOS_CS 29 -+#define __PCIBIOS_DS (GDT_ENTRY_PCIBIOS_DS * 8) -+ -+#define GDT_ENTRY_PCIBIOS_DS 30 -+#define __PCIBIOS_CS (GDT_ENTRY_PCIBIOS_CS * 8) -+ - #define GDT_ENTRY_DOUBLEFAULT_TSS 31 - - /* -@@ -118,6 +130,7 @@ - */ - - #define __KERNEL_CS (GDT_ENTRY_KERNEL_CS*8) -+#define __KERNEXEC_KERNEL_CS (GDT_ENTRY_KERNEXEC_KERNEL_CS*8) - #define __KERNEL_DS (GDT_ENTRY_KERNEL_DS*8) - #define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS*8 + 3) - #define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS*8 + 3) -@@ -129,7 +142,7 @@ - #define PNP_CS16 (GDT_ENTRY_PNPBIOS_CS16*8) - - /* "Is this PNP code selector (PNP_CS32 or PNP_CS16)?" */ --#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == PNP_CS32) -+#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xFFFCU) == PNP_CS32 || ((x) & 0xFFFCU) == PNP_CS16) - - /* data segment for BIOS: */ - #define PNP_DS (GDT_ENTRY_PNPBIOS_DS*8) -@@ -176,6 +189,8 @@ - #define GDT_ENTRY_DEFAULT_USER_DS 5 - #define GDT_ENTRY_DEFAULT_USER_CS 6 - -+#define GDT_ENTRY_KERNEXEC_KERNEL_CS 7 -+ - /* Needs two entries */ - #define GDT_ENTRY_TSS 8 - /* Needs two entries */ -@@ -187,10 +202,12 @@ - /* Abused to load per CPU data from limit */ - #define GDT_ENTRY_PER_CPU 15 - -+#define GDT_ENTRY_UDEREF_KERNEL_DS 16 -+ - /* - * Number of entries in the GDT table: - */ --#define GDT_ENTRIES 16 -+#define GDT_ENTRIES 17 - - /* - * Segment selector values corresponding to the above entries: -@@ -200,7 +217,9 @@ - */ - #define __KERNEL32_CS (GDT_ENTRY_KERNEL32_CS*8) - #define __KERNEL_CS (GDT_ENTRY_KERNEL_CS*8) -+#define __KERNEXEC_KERNEL_CS (GDT_ENTRY_KERNEXEC_KERNEL_CS*8) - #define __KERNEL_DS (GDT_ENTRY_KERNEL_DS*8) -+#define __UDEREF_KERNEL_DS (GDT_ENTRY_UDEREF_KERNEL_DS*8) - #define __USER32_CS (GDT_ENTRY_DEFAULT_USER32_CS*8 + 3) - #define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS*8 + 3) - #define __USER32_DS __USER_DS -diff --git a/arch/x86/include/asm/smap.h b/arch/x86/include/asm/smap.h -index ba665eb..0f72938 100644 ---- a/arch/x86/include/asm/smap.h -+++ b/arch/x86/include/asm/smap.h -@@ -25,6 +25,18 @@ - - #include <asm/alternative-asm.h> - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define ASM_PAX_OPEN_USERLAND \ -+ ALTERNATIVE "", "call __pax_open_userland", X86_FEATURE_STRONGUDEREF -+ -+#define ASM_PAX_CLOSE_USERLAND \ -+ ALTERNATIVE "", "call __pax_close_userland", X86_FEATURE_STRONGUDEREF -+ -+#else -+#define ASM_PAX_OPEN_USERLAND -+#define ASM_PAX_CLOSE_USERLAND -+#endif -+ - #ifdef CONFIG_X86_SMAP - - #define ASM_CLAC \ -@@ -44,6 +56,37 @@ - - #include <asm/alternative.h> - -+#define __HAVE_ARCH_PAX_OPEN_USERLAND -+#define __HAVE_ARCH_PAX_CLOSE_USERLAND -+ -+extern void __pax_open_userland(void); -+static __always_inline unsigned long pax_open_userland(void) -+{ -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ asm volatile(ALTERNATIVE("", "call %P[open]", X86_FEATURE_STRONGUDEREF) -+ : -+ : [open] "i" (__pax_open_userland) -+ : "memory", "rax"); -+#endif -+ -+ return 0; -+} -+ -+extern void __pax_close_userland(void); -+static __always_inline unsigned long pax_close_userland(void) -+{ -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ asm volatile(ALTERNATIVE("", "call %P[close]", X86_FEATURE_STRONGUDEREF) -+ : -+ : [close] "i" (__pax_close_userland) -+ : "memory", "rax"); -+#endif -+ -+ return 0; -+} -+ - #ifdef CONFIG_X86_SMAP - - static __always_inline void clac(void) -diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h -index 17a8dce..79f7280 100644 ---- a/arch/x86/include/asm/smp.h -+++ b/arch/x86/include/asm/smp.h -@@ -35,7 +35,7 @@ DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_core_map); - /* cpus sharing the last level cache: */ - DECLARE_PER_CPU_READ_MOSTLY(cpumask_var_t, cpu_llc_shared_map); - DECLARE_PER_CPU_READ_MOSTLY(u16, cpu_llc_id); --DECLARE_PER_CPU_READ_MOSTLY(int, cpu_number); -+DECLARE_PER_CPU_READ_MOSTLY(unsigned int, cpu_number); - - static inline struct cpumask *cpu_sibling_mask(int cpu) - { -@@ -78,7 +78,7 @@ struct smp_ops { - - void (*send_call_func_ipi)(const struct cpumask *mask); - void (*send_call_func_single_ipi)(int cpu); --}; -+} __no_const; - - /* Globals due to paravirt */ - extern void set_cpu_sibling_map(int cpu); -@@ -192,14 +192,8 @@ extern unsigned disabled_cpus; - extern int safe_smp_processor_id(void); - - #elif defined(CONFIG_X86_64_SMP) --#define raw_smp_processor_id() (this_cpu_read(cpu_number)) -- --#define stack_smp_processor_id() \ --({ \ -- struct thread_info *ti; \ -- __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK)); \ -- ti->cpu; \ --}) -+#define raw_smp_processor_id() (this_cpu_read(cpu_number)) -+#define stack_smp_processor_id() raw_smp_processor_id() - #define safe_smp_processor_id() smp_processor_id() - - #endif -diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h -index 6a99859..03cb807 100644 ---- a/arch/x86/include/asm/stackprotector.h -+++ b/arch/x86/include/asm/stackprotector.h -@@ -47,7 +47,7 @@ - * head_32 for boot CPU and setup_per_cpu_areas() for others. - */ - #define GDT_STACK_CANARY_INIT \ -- [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x18), -+ [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x17), - - /* - * Initialize the stackprotector canary value. -@@ -112,7 +112,7 @@ static inline void setup_stack_canary_segment(int cpu) - - static inline void load_stack_canary_segment(void) - { --#ifdef CONFIG_X86_32 -+#if defined(CONFIG_X86_32) && !defined(CONFIG_PAX_MEMORY_UDEREF) - asm volatile ("mov %0, %%gs" : : "r" (0)); - #endif - } -diff --git a/arch/x86/include/asm/stacktrace.h b/arch/x86/include/asm/stacktrace.h -index 70bbe39..4ae2bd4 100644 ---- a/arch/x86/include/asm/stacktrace.h -+++ b/arch/x86/include/asm/stacktrace.h -@@ -11,28 +11,20 @@ - - extern int kstack_depth_to_print; - --struct thread_info; -+struct task_struct; - struct stacktrace_ops; - --typedef unsigned long (*walk_stack_t)(struct thread_info *tinfo, -- unsigned long *stack, -- unsigned long bp, -- const struct stacktrace_ops *ops, -- void *data, -- unsigned long *end, -- int *graph); -+typedef unsigned long walk_stack_t(struct task_struct *task, -+ void *stack_start, -+ unsigned long *stack, -+ unsigned long bp, -+ const struct stacktrace_ops *ops, -+ void *data, -+ unsigned long *end, -+ int *graph); - --extern unsigned long --print_context_stack(struct thread_info *tinfo, -- unsigned long *stack, unsigned long bp, -- const struct stacktrace_ops *ops, void *data, -- unsigned long *end, int *graph); -- --extern unsigned long --print_context_stack_bp(struct thread_info *tinfo, -- unsigned long *stack, unsigned long bp, -- const struct stacktrace_ops *ops, void *data, -- unsigned long *end, int *graph); -+extern walk_stack_t print_context_stack; -+extern walk_stack_t print_context_stack_bp; - - /* Generic stack tracer with callbacks */ - -@@ -40,7 +32,7 @@ struct stacktrace_ops { - void (*address)(void *data, unsigned long address, int reliable); - /* On negative return stop dumping */ - int (*stack)(void *data, char *name); -- walk_stack_t walk_stack; -+ walk_stack_t *walk_stack; - }; - - void dump_trace(struct task_struct *tsk, struct pt_regs *regs, -diff --git a/arch/x86/include/asm/switch_to.h b/arch/x86/include/asm/switch_to.h -index 751bf4b..3cc39f1 100644 ---- a/arch/x86/include/asm/switch_to.h -+++ b/arch/x86/include/asm/switch_to.h -@@ -79,12 +79,12 @@ do { \ - #else /* CONFIG_X86_32 */ - - /* frame pointer must be last for get_wchan */ --#define SAVE_CONTEXT "pushq %%rbp ; movq %%rsi,%%rbp\n\t" --#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp\t" -+#define SAVE_CONTEXT "pushf ; pushq %%rbp ; movq %%rsi,%%rbp\n\t" -+#define RESTORE_CONTEXT "movq %%rbp,%%rsi ; popq %%rbp ; popf\t" - - #define __EXTRA_CLOBBER \ - , "rcx", "rbx", "rdx", "r8", "r9", "r10", "r11", \ -- "r12", "r13", "r14", "r15", "flags" -+ "r12", "r13", "r14", "r15" - - #ifdef CONFIG_CC_STACKPROTECTOR - #define __switch_canary \ -@@ -100,11 +100,7 @@ do { \ - #define __switch_canary_iparam - #endif /* CC_STACKPROTECTOR */ - --/* -- * There is no need to save or restore flags, because flags are always -- * clean in kernel mode, with the possible exception of IOPL. Kernel IOPL -- * has no effect. -- */ -+/* Save restore flags to clear handle leaking NT */ - #define switch_to(prev, next, last) \ - asm volatile(SAVE_CONTEXT \ - "movq %%rsp,%P[threadrsp](%[prev])\n\t" /* save RSP */ \ -@@ -112,7 +108,7 @@ do { \ - "call __switch_to\n\t" \ - "movq "__percpu_arg([current_task])",%%rsi\n\t" \ - __switch_canary \ -- "movq %P[thread_info](%%rsi),%%r8\n\t" \ -+ "movq "__percpu_arg([thread_info])",%%r8\n\t" \ - "movq %%rax,%%rdi\n\t" \ - "testl %[_tif_fork],%P[ti_flags](%%r8)\n\t" \ - "jnz ret_from_fork\n\t" \ -@@ -123,7 +119,7 @@ do { \ - [threadrsp] "i" (offsetof(struct task_struct, thread.sp)), \ - [ti_flags] "i" (offsetof(struct thread_info, flags)), \ - [_tif_fork] "i" (_TIF_FORK), \ -- [thread_info] "i" (offsetof(struct task_struct, stack)), \ -+ [thread_info] "m" (current_tinfo), \ - [current_task] "m" (current_task) \ - __switch_canary_iparam \ - : "memory", "cc" __EXTRA_CLOBBER) -diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h -index b4bdec3..e8af9bc 100644 ---- a/arch/x86/include/asm/thread_info.h -+++ b/arch/x86/include/asm/thread_info.h -@@ -36,7 +36,7 @@ - #ifdef CONFIG_X86_32 - # define TOP_OF_KERNEL_STACK_PADDING 8 - #else --# define TOP_OF_KERNEL_STACK_PADDING 0 -+# define TOP_OF_KERNEL_STACK_PADDING 16 - #endif - - /* -@@ -50,27 +50,26 @@ struct task_struct; - #include <linux/atomic.h> - - struct thread_info { -- struct task_struct *task; /* main task structure */ - __u32 flags; /* low level flags */ - __u32 status; /* thread synchronous flags */ - __u32 cpu; /* current CPU */ - int saved_preempt_count; - mm_segment_t addr_limit; - void __user *sysenter_return; -+ unsigned long lowest_stack; - unsigned int sig_on_uaccess_error:1; - unsigned int uaccess_err:1; /* uaccess failed */ - }; - --#define INIT_THREAD_INFO(tsk) \ -+#define INIT_THREAD_INFO \ - { \ -- .task = &tsk, \ - .flags = 0, \ - .cpu = 0, \ - .saved_preempt_count = INIT_PREEMPT_COUNT, \ - .addr_limit = KERNEL_DS, \ - } - --#define init_thread_info (init_thread_union.thread_info) -+#define init_thread_info (init_thread_union.stack) - #define init_stack (init_thread_union.stack) - - #else /* !__ASSEMBLY__ */ -@@ -110,6 +109,7 @@ struct thread_info { - #define TIF_SYSCALL_TRACEPOINT 28 /* syscall tracepoint instrumentation */ - #define TIF_ADDR32 29 /* 32-bit address space on 64 bits */ - #define TIF_X32 30 /* 32-bit native x86-64 binary */ -+#define TIF_GRSEC_SETXID 31 /* update credentials on syscall entry/exit */ - - #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) - #define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME) -@@ -133,17 +133,18 @@ struct thread_info { - #define _TIF_SYSCALL_TRACEPOINT (1 << TIF_SYSCALL_TRACEPOINT) - #define _TIF_ADDR32 (1 << TIF_ADDR32) - #define _TIF_X32 (1 << TIF_X32) -+#define _TIF_GRSEC_SETXID (1 << TIF_GRSEC_SETXID) - - /* work to do in syscall_trace_enter() */ - #define _TIF_WORK_SYSCALL_ENTRY \ - (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_EMU | _TIF_SYSCALL_AUDIT | \ - _TIF_SECCOMP | _TIF_SINGLESTEP | _TIF_SYSCALL_TRACEPOINT | \ -- _TIF_NOHZ) -+ _TIF_NOHZ | _TIF_GRSEC_SETXID) - - /* work to do in syscall_trace_leave() */ - #define _TIF_WORK_SYSCALL_EXIT \ - (_TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP | \ -- _TIF_SYSCALL_TRACEPOINT | _TIF_NOHZ) -+ _TIF_SYSCALL_TRACEPOINT | _TIF_NOHZ | _TIF_GRSEC_SETXID) - - /* work to do on interrupt/exception return */ - #define _TIF_WORK_MASK \ -@@ -154,7 +155,7 @@ struct thread_info { - /* work to do on any return to user space */ - #define _TIF_ALLWORK_MASK \ - ((0x0000FFFF & ~_TIF_SECCOMP) | _TIF_SYSCALL_TRACEPOINT | \ -- _TIF_NOHZ) -+ _TIF_NOHZ | _TIF_GRSEC_SETXID) - - /* Only used for 64 bit */ - #define _TIF_DO_NOTIFY_MASK \ -@@ -179,9 +180,11 @@ struct thread_info { - - DECLARE_PER_CPU(unsigned long, kernel_stack); - -+DECLARE_PER_CPU(struct thread_info *, current_tinfo); -+ - static inline struct thread_info *current_thread_info(void) - { -- return (struct thread_info *)(current_top_of_stack() - THREAD_SIZE); -+ return this_cpu_read_stable(current_tinfo); - } - - static inline unsigned long current_stack_pointer(void) -@@ -199,8 +202,7 @@ static inline unsigned long current_stack_pointer(void) - - /* Load thread_info address into "reg" */ - #define GET_THREAD_INFO(reg) \ -- _ASM_MOV PER_CPU_VAR(kernel_stack),reg ; \ -- _ASM_SUB $(THREAD_SIZE),reg ; -+ _ASM_MOV PER_CPU_VAR(current_tinfo),reg ; - - /* - * ASM operand which evaluates to a 'thread_info' address of -@@ -293,5 +295,12 @@ static inline bool is_ia32_task(void) - extern void arch_task_cache_init(void); - extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src); - extern void arch_release_task_struct(struct task_struct *tsk); -+ -+#define __HAVE_THREAD_FUNCTIONS -+#define task_thread_info(task) (&(task)->tinfo) -+#define task_stack_page(task) ((task)->stack) -+#define setup_thread_stack(p, org) do {} while (0) -+#define end_of_stack(p) ((unsigned long *)task_stack_page(p) + 1) -+ - #endif - #endif /* _ASM_X86_THREAD_INFO_H */ -diff --git a/arch/x86/include/asm/tlbflush.h b/arch/x86/include/asm/tlbflush.h -index cd79194..6a9956f 100644 ---- a/arch/x86/include/asm/tlbflush.h -+++ b/arch/x86/include/asm/tlbflush.h -@@ -86,18 +86,44 @@ static inline void cr4_set_bits_and_update_boot(unsigned long mask) - - static inline void __native_flush_tlb(void) - { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ u64 descriptor[2]; -+ -+ descriptor[0] = PCID_KERNEL; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_ALL_NONGLOBAL) : "memory"); -+ return; -+ } -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ unsigned int cpu = raw_get_cpu(); -+ -+ native_write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER); -+ native_write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL); -+ raw_put_cpu_no_resched(); -+ return; -+ } -+#endif -+ - native_write_cr3(native_read_cr3()); - } - - static inline void __native_flush_tlb_global_irq_disabled(void) - { -- unsigned long cr4; -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ u64 descriptor[2]; - -- cr4 = this_cpu_read(cpu_tlbstate.cr4); -- /* clear PGE */ -- native_write_cr4(cr4 & ~X86_CR4_PGE); -- /* write old PGE again and flush TLBs */ -- native_write_cr4(cr4); -+ descriptor[0] = PCID_KERNEL; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_ALL_GLOBAL) : "memory"); -+ } else { -+ unsigned long cr4; -+ -+ cr4 = this_cpu_read(cpu_tlbstate.cr4); -+ /* clear PGE */ -+ native_write_cr4(cr4 & ~X86_CR4_PGE); -+ /* write old PGE again and flush TLBs */ -+ native_write_cr4(cr4); -+ } - } - - static inline void __native_flush_tlb_global(void) -@@ -118,6 +144,43 @@ static inline void __native_flush_tlb_global(void) - - static inline void __native_flush_tlb_single(unsigned long addr) - { -+ if (static_cpu_has(X86_FEATURE_INVPCID)) { -+ u64 descriptor[2]; -+ -+ descriptor[0] = PCID_KERNEL; -+ descriptor[1] = addr; -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ if (!static_cpu_has(X86_FEATURE_STRONGUDEREF) || addr >= TASK_SIZE_MAX) { -+ if (addr < TASK_SIZE_MAX) -+ descriptor[1] += pax_user_shadow_base; -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_ADDRESS) : "memory"); -+ } -+ -+ descriptor[0] = PCID_USER; -+ descriptor[1] = addr; -+ } -+#endif -+ -+ asm volatile(__ASM_INVPCID : : "d"(&descriptor), "a"(INVPCID_SINGLE_ADDRESS) : "memory"); -+ return; -+ } -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (static_cpu_has(X86_FEATURE_PCIDUDEREF)) { -+ unsigned int cpu = raw_get_cpu(); -+ -+ native_write_cr3(__pa(get_cpu_pgd(cpu, user)) | PCID_USER | PCID_NOFLUSH); -+ asm volatile("invlpg (%0)" ::"r" (addr) : "memory"); -+ native_write_cr3(__pa(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH); -+ raw_put_cpu_no_resched(); -+ -+ if (!static_cpu_has(X86_FEATURE_STRONGUDEREF) && addr < TASK_SIZE_MAX) -+ addr += pax_user_shadow_base; -+ } -+#endif -+ - asm volatile("invlpg (%0)" ::"r" (addr) : "memory"); - } - -diff --git a/arch/x86/include/asm/uaccess.h b/arch/x86/include/asm/uaccess.h -index ace9dec..3f9e253 100644 ---- a/arch/x86/include/asm/uaccess.h -+++ b/arch/x86/include/asm/uaccess.h -@@ -7,6 +7,7 @@ - #include <linux/compiler.h> - #include <linux/thread_info.h> - #include <linux/string.h> -+#include <linux/spinlock.h> - #include <asm/asm.h> - #include <asm/page.h> - #include <asm/smap.h> -@@ -29,7 +30,12 @@ - - #define get_ds() (KERNEL_DS) - #define get_fs() (current_thread_info()->addr_limit) -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+void __set_fs(mm_segment_t x); -+void set_fs(mm_segment_t x); -+#else - #define set_fs(x) (current_thread_info()->addr_limit = (x)) -+#endif - - #define segment_eq(a, b) ((a).seg == (b).seg) - -@@ -85,8 +91,36 @@ static inline bool __chk_range_not_ok(unsigned long addr, unsigned long size, un - * checks that the pointer is in the user space range - after calling - * this function, memory access functions may still return -EFAULT. - */ --#define access_ok(type, addr, size) \ -- likely(!__range_not_ok(addr, size, user_addr_max())) -+extern int _cond_resched(void); -+#define access_ok_noprefault(type, addr, size) (likely(!__range_not_ok(addr, size, user_addr_max()))) -+#define access_ok(type, addr, size) \ -+({ \ -+ unsigned long __size = size; \ -+ unsigned long __addr = (unsigned long)addr; \ -+ bool __ret_ao = __range_not_ok(__addr, __size, user_addr_max()) == 0;\ -+ if (__ret_ao && __size) { \ -+ unsigned long __addr_ao = __addr & PAGE_MASK; \ -+ unsigned long __end_ao = __addr + __size - 1; \ -+ if (unlikely((__end_ao ^ __addr_ao) & PAGE_MASK)) { \ -+ while (__addr_ao <= __end_ao) { \ -+ char __c_ao; \ -+ __addr_ao += PAGE_SIZE; \ -+ if (__size > PAGE_SIZE) \ -+ _cond_resched(); \ -+ if (__get_user(__c_ao, (char __user *)__addr)) \ -+ break; \ -+ if (type != VERIFY_WRITE) { \ -+ __addr = __addr_ao; \ -+ continue; \ -+ } \ -+ if (__put_user(__c_ao, (char __user *)__addr)) \ -+ break; \ -+ __addr = __addr_ao; \ -+ } \ -+ } \ -+ } \ -+ __ret_ao; \ -+}) - - /* - * The exception table consists of pairs of addresses relative to the -@@ -134,11 +168,13 @@ extern int __get_user_8(void); - extern int __get_user_bad(void); - - /* -- * This is a type: either unsigned long, if the argument fits into -- * that type, or otherwise unsigned long long. -+ * This is a type: either (un)signed int, if the argument fits into -+ * that type, or otherwise (un)signed long long. - */ - #define __inttype(x) \ --__typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) -+__typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0U), \ -+ __builtin_choose_expr(__type_is_unsigned(__typeof__(x)), 0ULL, 0LL),\ -+ __builtin_choose_expr(__type_is_unsigned(__typeof__(x)), 0U, 0))) - - /** - * get_user: - Get a simple variable from user space. -@@ -176,10 +212,12 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) - register __inttype(*(ptr)) __val_gu asm("%"_ASM_DX); \ - __chk_user_ptr(ptr); \ - might_fault(); \ -+ pax_open_userland(); \ - asm volatile("call __get_user_%P3" \ - : "=a" (__ret_gu), "=r" (__val_gu) \ - : "0" (ptr), "i" (sizeof(*(ptr)))); \ - (x) = (__force __typeof__(*(ptr))) __val_gu; \ -+ pax_close_userland(); \ - __ret_gu; \ - }) - -@@ -187,13 +225,21 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) - asm volatile("call __put_user_" #size : "=a" (__ret_pu) \ - : "0" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx") - -- -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg "gs;" -+#define __COPYUSER_SET_ES "pushl %%gs; popl %%es\n" -+#define __COPYUSER_RESTORE_ES "pushl %%ss; popl %%es\n" -+#else -+#define __copyuser_seg -+#define __COPYUSER_SET_ES -+#define __COPYUSER_RESTORE_ES -+#endif - - #ifdef CONFIG_X86_32 - #define __put_user_asm_u64(x, addr, err, errret) \ - asm volatile(ASM_STAC "\n" \ -- "1: movl %%eax,0(%2)\n" \ -- "2: movl %%edx,4(%2)\n" \ -+ "1: "__copyuser_seg"movl %%eax,0(%2)\n" \ -+ "2: "__copyuser_seg"movl %%edx,4(%2)\n" \ - "3: " ASM_CLAC "\n" \ - ".section .fixup,"ax"\n" \ - "4: movl %3,%0\n" \ -@@ -206,8 +252,8 @@ __typeof__(__builtin_choose_expr(sizeof(x) > sizeof(0UL), 0ULL, 0UL)) - - #define __put_user_asm_ex_u64(x, addr) \ - asm volatile(ASM_STAC "\n" \ -- "1: movl %%eax,0(%1)\n" \ -- "2: movl %%edx,4(%1)\n" \ -+ "1: "__copyuser_seg"movl %%eax,0(%1)\n" \ -+ "2: "__copyuser_seg"movl %%edx,4(%1)\n" \ - "3: " ASM_CLAC "\n" \ - _ASM_EXTABLE_EX(1b, 2b) \ - _ASM_EXTABLE_EX(2b, 3b) \ -@@ -257,7 +303,8 @@ extern void __put_user_8(void); - __typeof__(*(ptr)) __pu_val; \ - __chk_user_ptr(ptr); \ - might_fault(); \ -- __pu_val = x; \ -+ __pu_val = (x); \ -+ pax_open_userland(); \ - switch (sizeof(*(ptr))) { \ - case 1: \ - __put_user_x(1, __pu_val, ptr, __ret_pu); \ -@@ -275,6 +322,7 @@ extern void __put_user_8(void); - __put_user_x(X, __pu_val, ptr, __ret_pu); \ - break; \ - } \ -+ pax_close_userland(); \ - __ret_pu; \ - }) - -@@ -355,8 +403,10 @@ do { \ - } while (0) - - #define __get_user_asm(x, addr, err, itype, rtype, ltype, errret) \ -+do { \ -+ pax_open_userland(); \ - asm volatile(ASM_STAC "\n" \ -- "1: mov"itype" %2,%"rtype"1\n" \ -+ "1: "__copyuser_seg"mov"itype" %2,%"rtype"1\n"\ - "2: " ASM_CLAC "\n" \ - ".section .fixup,"ax"\n" \ - "3: mov %3,%0\n" \ -@@ -364,8 +414,10 @@ do { \ - " jmp 2b\n" \ - ".previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "=r" (err), ltype(x) \ -- : "m" (__m(addr)), "i" (errret), "0" (err)) -+ : "=r" (err), ltype (x) \ -+ : "m" (__m(addr)), "i" (errret), "0" (err)); \ -+ pax_close_userland(); \ -+} while (0) - - #define __get_user_size_ex(x, ptr, size) \ - do { \ -@@ -389,7 +441,7 @@ do { \ - } while (0) - - #define __get_user_asm_ex(x, addr, itype, rtype, ltype) \ -- asm volatile("1: mov"itype" %1,%"rtype"0\n" \ -+ asm volatile("1: "__copyuser_seg"mov"itype" %1,%"rtype"0\n"\ - "2:\n" \ - _ASM_EXTABLE_EX(1b, 2b) \ - : ltype(x) : "m" (__m(addr))) -@@ -406,13 +458,24 @@ do { \ - int __gu_err; \ - unsigned long __gu_val; \ - __get_user_size(__gu_val, (ptr), (size), __gu_err, -EFAULT); \ -- (x) = (__force __typeof__(*(ptr)))__gu_val; \ -+ (x) = (__typeof__(*(ptr)))__gu_val; \ - __gu_err; \ - }) - - /* FIXME: this hack is definitely wrong -AK */ - struct __large_struct { unsigned long buf[100]; }; --#define __m(x) (*(struct __large_struct __user *)(x)) -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define ____m(x) \ -+({ \ -+ unsigned long ____x = (unsigned long)(x); \ -+ if (____x < pax_user_shadow_base) \ -+ ____x += pax_user_shadow_base; \ -+ (typeof(x))____x; \ -+}) -+#else -+#define ____m(x) (x) -+#endif -+#define __m(x) (*(struct __large_struct __user *)____m(x)) - - /* - * Tell gcc we read from memory instead of writing: this is because -@@ -420,8 +483,10 @@ struct __large_struct { unsigned long buf[100]; }; - * aliasing issues. - */ - #define __put_user_asm(x, addr, err, itype, rtype, ltype, errret) \ -+do { \ -+ pax_open_userland(); \ - asm volatile(ASM_STAC "\n" \ -- "1: mov"itype" %"rtype"1,%2\n" \ -+ "1: "__copyuser_seg"mov"itype" %"rtype"1,%2\n"\ - "2: " ASM_CLAC "\n" \ - ".section .fixup,"ax"\n" \ - "3: mov %3,%0\n" \ -@@ -429,10 +494,12 @@ struct __large_struct { unsigned long buf[100]; }; - ".previous\n" \ - _ASM_EXTABLE(1b, 3b) \ - : "=r"(err) \ -- : ltype(x), "m" (__m(addr)), "i" (errret), "0" (err)) -+ : ltype (x), "m" (__m(addr)), "i" (errret), "0" (err));\ -+ pax_close_userland(); \ -+} while (0) - - #define __put_user_asm_ex(x, addr, itype, rtype, ltype) \ -- asm volatile("1: mov"itype" %"rtype"0,%1\n" \ -+ asm volatile("1: "__copyuser_seg"mov"itype" %"rtype"0,%1\n"\ - "2:\n" \ - _ASM_EXTABLE_EX(1b, 2b) \ - : : ltype(x), "m" (__m(addr))) -@@ -442,11 +509,13 @@ struct __large_struct { unsigned long buf[100]; }; - */ - #define uaccess_try do { \ - current_thread_info()->uaccess_err = 0; \ -+ pax_open_userland(); \ - stac(); \ - barrier(); - - #define uaccess_catch(err) \ - clac(); \ -+ pax_close_userland(); \ - (err) |= (current_thread_info()->uaccess_err ? -EFAULT : 0); \ - } while (0) - -@@ -471,8 +540,12 @@ struct __large_struct { unsigned long buf[100]; }; - * On error, the variable @x is set to zero. - */ - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __get_user(x, ptr) get_user((x), (ptr)) -+#else - #define __get_user(x, ptr) \ - __get_user_nocheck((x), (ptr), sizeof(*(ptr))) -+#endif - - /** - * __put_user: - Write a simple value into user space, with less checking. -@@ -494,8 +567,12 @@ struct __large_struct { unsigned long buf[100]; }; - * Returns zero on success, or -EFAULT on error. - */ - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __put_user(x, ptr) put_user((x), (ptr)) -+#else - #define __put_user(x, ptr) \ - __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr))) -+#endif - - #define __get_user_unaligned __get_user - #define __put_user_unaligned __put_user -@@ -513,7 +590,7 @@ struct __large_struct { unsigned long buf[100]; }; - #define get_user_ex(x, ptr) do { \ - unsigned long __gue_val; \ - __get_user_size_ex((__gue_val), (ptr), (sizeof(*(ptr)))); \ -- (x) = (__force __typeof__(*(ptr)))__gue_val; \ -+ (x) = (__typeof__(*(ptr)))__gue_val; \ - } while (0) - - #define put_user_try uaccess_try -@@ -531,7 +608,7 @@ extern __must_check long strlen_user(const char __user *str); - extern __must_check long strnlen_user(const char __user *str, long n); - - unsigned long __must_check clear_user(void __user *mem, unsigned long len); --unsigned long __must_check __clear_user(void __user *mem, unsigned long len); -+unsigned long __must_check __clear_user(void __user *mem, unsigned long len) __size_overflow(2); - - extern void __cmpxchg_wrong_size(void) - __compiletime_error("Bad argument size for cmpxchg"); -@@ -542,18 +619,19 @@ extern void __cmpxchg_wrong_size(void) - __typeof__(ptr) __uval = (uval); \ - __typeof__(*(ptr)) __old = (old); \ - __typeof__(*(ptr)) __new = (new); \ -+ pax_open_userland(); \ - switch (size) { \ - case 1: \ - { \ - asm volatile("\t" ASM_STAC "\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgb %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgb %4, %2\n"\ - "2:\t" ASM_CLAC "\n" \ - "\t.section .fixup, "ax"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "q" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -562,14 +640,14 @@ extern void __cmpxchg_wrong_size(void) - case 2: \ - { \ - asm volatile("\t" ASM_STAC "\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgw %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgw %4, %2\n"\ - "2:\t" ASM_CLAC "\n" \ - "\t.section .fixup, "ax"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "r" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -578,14 +656,14 @@ extern void __cmpxchg_wrong_size(void) - case 4: \ - { \ - asm volatile("\t" ASM_STAC "\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %4, %2\n"\ - "2:\t" ASM_CLAC "\n" \ - "\t.section .fixup, "ax"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "r" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -597,14 +675,14 @@ extern void __cmpxchg_wrong_size(void) - __cmpxchg_wrong_size(); \ - \ - asm volatile("\t" ASM_STAC "\n" \ -- "1:\t" LOCK_PREFIX "cmpxchgq %4, %2\n" \ -+ "1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgq %4, %2\n"\ - "2:\t" ASM_CLAC "\n" \ - "\t.section .fixup, "ax"\n" \ - "3:\tmov %3, %0\n" \ - "\tjmp 2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "+r" (__ret), "=a" (__old), "+m" (*(ptr)) \ -+ : "+r" (__ret), "=a" (__old), "+m" (*____m(ptr))\ - : "i" (-EFAULT), "r" (__new), "1" (__old) \ - : "memory" \ - ); \ -@@ -613,6 +691,7 @@ extern void __cmpxchg_wrong_size(void) - default: \ - __cmpxchg_wrong_size(); \ - } \ -+ pax_close_userland(); \ - *__uval = __old; \ - __ret; \ - }) -@@ -636,17 +715,6 @@ extern struct movsl_mask { - - #define ARCH_HAS_NOCACHE_UACCESS 1 - --#ifdef CONFIG_X86_32 --# include <asm/uaccess_32.h> --#else --# include <asm/uaccess_64.h> --#endif -- --unsigned long __must_check _copy_from_user(void *to, const void __user *from, -- unsigned n); --unsigned long __must_check _copy_to_user(void __user *to, const void *from, -- unsigned n); -- - #ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS - # define copy_user_diag __compiletime_error - #else -@@ -656,7 +724,7 @@ unsigned long __must_check _copy_to_user(void __user *to, const void *from, - extern void copy_user_diag("copy_from_user() buffer size is too small") - copy_from_user_overflow(void); - extern void copy_user_diag("copy_to_user() buffer size is too small") --copy_to_user_overflow(void) __asm__("copy_from_user_overflow"); -+copy_to_user_overflow(void); - - #undef copy_user_diag - -@@ -669,7 +737,7 @@ __copy_from_user_overflow(void) __asm__("copy_from_user_overflow"); - - extern void - __compiletime_warning("copy_to_user() buffer size is not provably correct") --__copy_to_user_overflow(void) __asm__("copy_from_user_overflow"); -+__copy_to_user_overflow(void) __asm__("copy_to_user_overflow"); - #define __copy_to_user_overflow(size, count) __copy_to_user_overflow() - - #else -@@ -684,10 +752,16 @@ __copy_from_user_overflow(int size, unsigned long count) - - #endif - -+#ifdef CONFIG_X86_32 -+# include <asm/uaccess_32.h> -+#else -+# include <asm/uaccess_64.h> -+#endif -+ - static inline unsigned long __must_check - copy_from_user(void *to, const void __user *from, unsigned long n) - { -- int sz = __compiletime_object_size(to); -+ size_t sz = __compiletime_object_size(to); - - might_fault(); - -@@ -709,12 +783,15 @@ copy_from_user(void *to, const void __user *from, unsigned long n) - * case, and do only runtime checking for non-constant sizes. - */ - -- if (likely(sz < 0 || sz >= n)) -- n = _copy_from_user(to, from, n); -- else if(__builtin_constant_p(n)) -- copy_from_user_overflow(); -- else -- __copy_from_user_overflow(sz, n); -+ if (likely(sz != (size_t)-1 && sz < n)) { -+ if(__builtin_constant_p(n)) -+ copy_from_user_overflow(); -+ else -+ __copy_from_user_overflow(sz, n); -+ } else if (access_ok(VERIFY_READ, from, n)) -+ n = __copy_from_user(to, from, n); -+ else if ((long)n > 0) -+ memset(to, 0, n); - - return n; - } -@@ -722,17 +799,18 @@ copy_from_user(void *to, const void __user *from, unsigned long n) - static inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long n) - { -- int sz = __compiletime_object_size(from); -+ size_t sz = __compiletime_object_size(from); - - might_fault(); - - /* See the comment in copy_from_user() above. */ -- if (likely(sz < 0 || sz >= n)) -- n = _copy_to_user(to, from, n); -- else if(__builtin_constant_p(n)) -- copy_to_user_overflow(); -- else -- __copy_to_user_overflow(sz, n); -+ if (likely(sz != (size_t)-1 && sz < n)) { -+ if(__builtin_constant_p(n)) -+ copy_to_user_overflow(); -+ else -+ __copy_to_user_overflow(sz, n); -+ } else if (access_ok(VERIFY_WRITE, to, n)) -+ n = __copy_to_user(to, from, n); - - return n; - } -diff --git a/arch/x86/include/asm/uaccess_32.h b/arch/x86/include/asm/uaccess_32.h -index 3c03a5d..edb68ae 100644 ---- a/arch/x86/include/asm/uaccess_32.h -+++ b/arch/x86/include/asm/uaccess_32.h -@@ -40,9 +40,14 @@ unsigned long __must_check __copy_from_user_ll_nocache_nozero - * anything, so this is accurate. - */ - --static __always_inline unsigned long __must_check -+static __always_inline __size_overflow(3) unsigned long __must_check - __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ -+ check_object_size(from, n, true); -+ - if (__builtin_constant_p(n)) { - unsigned long ret; - -@@ -82,12 +87,16 @@ static __always_inline unsigned long __must_check - __copy_to_user(void __user *to, const void *from, unsigned long n) - { - might_fault(); -+ - return __copy_to_user_inatomic(to, from, n); - } - --static __always_inline unsigned long -+static __always_inline __size_overflow(3) unsigned long - __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - /* Avoid zeroing the tail if the copy fails.. - * If 'n' is constant and 1, 2, or 4, we do still zero on a failure, - * but as the zeroing behaviour is only significant when n is not -@@ -137,6 +146,12 @@ static __always_inline unsigned long - __copy_from_user(void *to, const void __user *from, unsigned long n) - { - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ -+ check_object_size(to, n, false); -+ - if (__builtin_constant_p(n)) { - unsigned long ret; - -@@ -159,6 +174,10 @@ static __always_inline unsigned long __copy_from_user_nocache(void *to, - const void __user *from, unsigned long n) - { - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ - if (__builtin_constant_p(n)) { - unsigned long ret; - -@@ -181,7 +200,10 @@ static __always_inline unsigned long - __copy_from_user_inatomic_nocache(void *to, const void __user *from, - unsigned long n) - { -- return __copy_from_user_ll_nocache_nozero(to, from, n); -+ if ((long)n < 0) -+ return n; -+ -+ return __copy_from_user_ll_nocache_nozero(to, from, n); - } - - #endif /* _ASM_X86_UACCESS_32_H */ -diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h -index f2f9b39..2ae1bf8 100644 ---- a/arch/x86/include/asm/uaccess_64.h -+++ b/arch/x86/include/asm/uaccess_64.h -@@ -10,6 +10,9 @@ - #include <asm/alternative.h> - #include <asm/cpufeature.h> - #include <asm/page.h> -+#include <asm/pgtable.h> -+ -+#define set_fs(x) (current_thread_info()->addr_limit = (x)) - - /* - * Copy To/From Userspace -@@ -23,8 +26,8 @@ copy_user_generic_string(void *to, const void *from, unsigned len); - __must_check unsigned long - copy_user_generic_unrolled(void *to, const void *from, unsigned len); - --static __always_inline __must_check unsigned long --copy_user_generic(void *to, const void *from, unsigned len) -+static __always_inline __must_check __size_overflow(3) unsigned long -+copy_user_generic(void *to, const void *from, unsigned long len) - { - unsigned ret; - -@@ -46,121 +49,170 @@ copy_user_generic(void *to, const void *from, unsigned len) - } - - __must_check unsigned long --copy_in_user(void __user *to, const void __user *from, unsigned len); -+copy_in_user(void __user *to, const void __user *from, unsigned long len); - - static __always_inline __must_check --int __copy_from_user_nocheck(void *dst, const void __user *src, unsigned size) -+unsigned long __copy_from_user_nocheck(void *dst, const void __user *src, unsigned long size) - { -- int ret = 0; -+ size_t sz = __compiletime_object_size(dst); -+ unsigned ret = 0; -+ -+ if (size > INT_MAX) -+ return size; -+ -+ check_object_size(dst, size, false); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+#endif -+ -+ if (unlikely(sz != (size_t)-1 && sz < size)) { -+ if(__builtin_constant_p(size)) -+ copy_from_user_overflow(); -+ else -+ __copy_from_user_overflow(sz, size); -+ return size; -+ } - - if (!__builtin_constant_p(size)) -- return copy_user_generic(dst, (__force void *)src, size); -+ return copy_user_generic(dst, (__force_kernel const void *)____m(src), size); - switch (size) { -- case 1:__get_user_asm(*(u8 *)dst, (u8 __user *)src, -+ case 1:__get_user_asm(*(u8 *)dst, (const u8 __user *)src, - ret, "b", "b", "=q", 1); - return ret; -- case 2:__get_user_asm(*(u16 *)dst, (u16 __user *)src, -+ case 2:__get_user_asm(*(u16 *)dst, (const u16 __user *)src, - ret, "w", "w", "=r", 2); - return ret; -- case 4:__get_user_asm(*(u32 *)dst, (u32 __user *)src, -+ case 4:__get_user_asm(*(u32 *)dst, (const u32 __user *)src, - ret, "l", "k", "=r", 4); - return ret; -- case 8:__get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ case 8:__get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 8); - return ret; - case 10: -- __get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ __get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 10); - if (unlikely(ret)) - return ret; - __get_user_asm(*(u16 *)(8 + (char *)dst), -- (u16 __user *)(8 + (char __user *)src), -+ (const u16 __user *)(8 + (const char __user *)src), - ret, "w", "w", "=r", 2); - return ret; - case 16: -- __get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ __get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 16); - if (unlikely(ret)) - return ret; - __get_user_asm(*(u64 *)(8 + (char *)dst), -- (u64 __user *)(8 + (char __user *)src), -+ (const u64 __user *)(8 + (const char __user *)src), - ret, "q", "", "=r", 8); - return ret; - default: -- return copy_user_generic(dst, (__force void *)src, size); -+ return copy_user_generic(dst, (__force_kernel const void *)____m(src), size); - } - } - - static __always_inline __must_check --int __copy_from_user(void *dst, const void __user *src, unsigned size) -+unsigned long __copy_from_user(void *dst, const void __user *src, unsigned long size) - { - might_fault(); - return __copy_from_user_nocheck(dst, src, size); - } - - static __always_inline __must_check --int __copy_to_user_nocheck(void __user *dst, const void *src, unsigned size) -+unsigned long __copy_to_user_nocheck(void __user *dst, const void *src, unsigned long size) - { -- int ret = 0; -+ size_t sz = __compiletime_object_size(src); -+ unsigned ret = 0; -+ -+ if (size > INT_MAX) -+ return size; -+ -+ check_object_size(src, size, true); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_WRITE, dst, size)) -+ return size; -+#endif -+ -+ if (unlikely(sz != (size_t)-1 && sz < size)) { -+ if(__builtin_constant_p(size)) -+ copy_to_user_overflow(); -+ else -+ __copy_to_user_overflow(sz, size); -+ return size; -+ } - - if (!__builtin_constant_p(size)) -- return copy_user_generic((__force void *)dst, src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), src, size); - switch (size) { -- case 1:__put_user_asm(*(u8 *)src, (u8 __user *)dst, -+ case 1:__put_user_asm(*(const u8 *)src, (u8 __user *)dst, - ret, "b", "b", "iq", 1); - return ret; -- case 2:__put_user_asm(*(u16 *)src, (u16 __user *)dst, -+ case 2:__put_user_asm(*(const u16 *)src, (u16 __user *)dst, - ret, "w", "w", "ir", 2); - return ret; -- case 4:__put_user_asm(*(u32 *)src, (u32 __user *)dst, -+ case 4:__put_user_asm(*(const u32 *)src, (u32 __user *)dst, - ret, "l", "k", "ir", 4); - return ret; -- case 8:__put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ case 8:__put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 8); - return ret; - case 10: -- __put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ __put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 10); - if (unlikely(ret)) - return ret; - asm("":::"memory"); -- __put_user_asm(4[(u16 *)src], 4 + (u16 __user *)dst, -+ __put_user_asm(4[(const u16 *)src], 4 + (u16 __user *)dst, - ret, "w", "w", "ir", 2); - return ret; - case 16: -- __put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ __put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 16); - if (unlikely(ret)) - return ret; - asm("":::"memory"); -- __put_user_asm(1[(u64 *)src], 1 + (u64 __user *)dst, -+ __put_user_asm(1[(const u64 *)src], 1 + (u64 __user *)dst, - ret, "q", "", "er", 8); - return ret; - default: -- return copy_user_generic((__force void *)dst, src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), src, size); - } - } - - static __always_inline __must_check --int __copy_to_user(void __user *dst, const void *src, unsigned size) -+unsigned long __copy_to_user(void __user *dst, const void *src, unsigned long size) - { - might_fault(); - return __copy_to_user_nocheck(dst, src, size); - } - - static __always_inline __must_check --int __copy_in_user(void __user *dst, const void __user *src, unsigned size) -+unsigned long __copy_in_user(void __user *dst, const void __user *src, unsigned size) - { -- int ret = 0; -+ unsigned ret = 0; - - might_fault(); -+ -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+ if (!access_ok_noprefault(VERIFY_WRITE, dst, size)) -+ return size; -+#endif -+ - if (!__builtin_constant_p(size)) -- return copy_user_generic((__force void *)dst, -- (__force void *)src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), -+ (__force_kernel const void *)____m(src), size); - switch (size) { - case 1: { - u8 tmp; -- __get_user_asm(tmp, (u8 __user *)src, -+ __get_user_asm(tmp, (const u8 __user *)src, - ret, "b", "b", "=q", 1); - if (likely(!ret)) - __put_user_asm(tmp, (u8 __user *)dst, -@@ -169,7 +221,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - } - case 2: { - u16 tmp; -- __get_user_asm(tmp, (u16 __user *)src, -+ __get_user_asm(tmp, (const u16 __user *)src, - ret, "w", "w", "=r", 2); - if (likely(!ret)) - __put_user_asm(tmp, (u16 __user *)dst, -@@ -179,7 +231,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - - case 4: { - u32 tmp; -- __get_user_asm(tmp, (u32 __user *)src, -+ __get_user_asm(tmp, (const u32 __user *)src, - ret, "l", "k", "=r", 4); - if (likely(!ret)) - __put_user_asm(tmp, (u32 __user *)dst, -@@ -188,7 +240,7 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - } - case 8: { - u64 tmp; -- __get_user_asm(tmp, (u64 __user *)src, -+ __get_user_asm(tmp, (const u64 __user *)src, - ret, "q", "", "=r", 8); - if (likely(!ret)) - __put_user_asm(tmp, (u64 __user *)dst, -@@ -196,41 +248,58 @@ int __copy_in_user(void __user *dst, const void __user *src, unsigned size) - return ret; - } - default: -- return copy_user_generic((__force void *)dst, -- (__force void *)src, size); -+ return copy_user_generic((__force_kernel void *)____m(dst), -+ (__force_kernel const void *)____m(src), size); - } - } - --static __must_check __always_inline int --__copy_from_user_inatomic(void *dst, const void __user *src, unsigned size) -+static __must_check __always_inline unsigned long -+__copy_from_user_inatomic(void *dst, const void __user *src, unsigned long size) - { - return __copy_from_user_nocheck(dst, src, size); - } - --static __must_check __always_inline int --__copy_to_user_inatomic(void __user *dst, const void *src, unsigned size) -+static __must_check __always_inline unsigned long -+__copy_to_user_inatomic(void __user *dst, const void *src, unsigned long size) - { - return __copy_to_user_nocheck(dst, src, size); - } - --extern long __copy_user_nocache(void *dst, const void __user *src, -- unsigned size, int zerorest); -+extern unsigned long __copy_user_nocache(void *dst, const void __user *src, -+ unsigned long size, int zerorest); - --static inline int --__copy_from_user_nocache(void *dst, const void __user *src, unsigned size) -+static inline unsigned long -+__copy_from_user_nocache(void *dst, const void __user *src, unsigned long size) - { - might_fault(); -+ -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+#endif -+ - return __copy_user_nocache(dst, src, size, 1); - } - --static inline int -+static inline unsigned long - __copy_from_user_inatomic_nocache(void *dst, const void __user *src, -- unsigned size) -+ unsigned long size) - { -+ if (size > INT_MAX) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!access_ok_noprefault(VERIFY_READ, src, size)) -+ return size; -+#endif -+ - return __copy_user_nocache(dst, src, size, 0); - } - - unsigned long --copy_user_handle_tail(char *to, char *from, unsigned len); -+copy_user_handle_tail(char __user *to, char __user *from, unsigned long len) __size_overflow(3); - - #endif /* _ASM_X86_UACCESS_64_H */ -diff --git a/arch/x86/include/asm/word-at-a-time.h b/arch/x86/include/asm/word-at-a-time.h -index 5b238981..77fdd78 100644 ---- a/arch/x86/include/asm/word-at-a-time.h -+++ b/arch/x86/include/asm/word-at-a-time.h -@@ -11,7 +11,7 @@ - * and shift, for example. - */ - struct word_at_a_time { -- const unsigned long one_bits, high_bits; -+ unsigned long one_bits, high_bits; - }; - - #define WORD_AT_A_TIME_CONSTANTS { REPEAT_BYTE(0x01), REPEAT_BYTE(0x80) } -diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h -index f58a9c7..dc378042a 100644 ---- a/arch/x86/include/asm/x86_init.h -+++ b/arch/x86/include/asm/x86_init.h -@@ -129,7 +129,7 @@ struct x86_init_ops { - struct x86_init_timers timers; - struct x86_init_iommu iommu; - struct x86_init_pci pci; --}; -+} __no_const; - - /** - * struct x86_cpuinit_ops - platform specific cpu hotplug setups -@@ -140,7 +140,7 @@ struct x86_cpuinit_ops { - void (*setup_percpu_clockev)(void); - void (*early_percpu_clock_init)(void); - void (*fixup_cpu_id)(struct cpuinfo_x86 *c, int node); --}; -+} __no_const; - - struct timespec; - -@@ -168,7 +168,7 @@ struct x86_platform_ops { - void (*save_sched_clock_state)(void); - void (*restore_sched_clock_state)(void); - void (*apic_post_init)(void); --}; -+} __no_const; - - struct pci_dev; - struct msi_msg; -@@ -182,7 +182,7 @@ struct x86_msi_ops { - void (*teardown_msi_irqs)(struct pci_dev *dev); - void (*restore_msi_irqs)(struct pci_dev *dev); - int (*setup_hpet_msi)(unsigned int irq, unsigned int id); --}; -+} __no_const; - - struct IO_APIC_route_entry; - struct io_apic_irq_attr; -@@ -203,7 +203,7 @@ struct x86_io_apic_ops { - unsigned int destination, int vector, - struct io_apic_irq_attr *attr); - void (*eoi_ioapic_pin)(int apic, int pin, int vector); --}; -+} __no_const; - - extern struct x86_init_ops x86_init; - extern struct x86_cpuinit_ops x86_cpuinit; -diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h -index c44a5d5..7f83cfc 100644 ---- a/arch/x86/include/asm/xen/page.h -+++ b/arch/x86/include/asm/xen/page.h -@@ -82,7 +82,7 @@ static inline int xen_safe_read_ulong(unsigned long *addr, unsigned long *val) - * - get_phys_to_machine() is to be called by __pfn_to_mfn() only in special - * cases needing an extended handling. - */ --static inline unsigned long __pfn_to_mfn(unsigned long pfn) -+static inline unsigned long __intentional_overflow(-1) __pfn_to_mfn(unsigned long pfn) - { - unsigned long mfn; - -diff --git a/arch/x86/include/asm/xsave.h b/arch/x86/include/asm/xsave.h -index c9a6d68..cb57f42 100644 ---- a/arch/x86/include/asm/xsave.h -+++ b/arch/x86/include/asm/xsave.h -@@ -223,12 +223,16 @@ static inline int xsave_user(struct xsave_struct __user *buf) - if (unlikely(err)) - return -EFAULT; - -+ pax_open_userland(); - __asm__ __volatile__(ASM_STAC "\n" -- "1:"XSAVE"\n" -+ "1:" -+ __copyuser_seg -+ XSAVE"\n" - "2: " ASM_CLAC "\n" - xstate_fault - : "D" (buf), "a" (-1), "d" (-1), "0" (0) - : "memory"); -+ pax_close_userland(); - return err; - } - -@@ -238,16 +242,20 @@ static inline int xsave_user(struct xsave_struct __user *buf) - static inline int xrestore_user(struct xsave_struct __user *buf, u64 mask) - { - int err = 0; -- struct xsave_struct *xstate = ((__force struct xsave_struct *)buf); -+ struct xsave_struct *xstate = ((__force_kernel struct xsave_struct *)buf); - u32 lmask = mask; - u32 hmask = mask >> 32; - -+ pax_open_userland(); - __asm__ __volatile__(ASM_STAC "\n" -- "1:"XRSTOR"\n" -+ "1:" -+ __copyuser_seg -+ XRSTOR"\n" - "2: " ASM_CLAC "\n" - xstate_fault - : "D" (xstate), "a" (lmask), "d" (hmask), "0" (0) - : "memory"); /* memory required? */ -+ pax_close_userland(); - return err; - } - -diff --git a/arch/x86/include/uapi/asm/e820.h b/arch/x86/include/uapi/asm/e820.h -index 960a8a9..404daf7 100644 ---- a/arch/x86/include/uapi/asm/e820.h -+++ b/arch/x86/include/uapi/asm/e820.h -@@ -68,7 +68,7 @@ struct e820map { - #define ISA_START_ADDRESS 0xa0000 - #define ISA_END_ADDRESS 0x100000 - --#define BIOS_BEGIN 0x000a0000 -+#define BIOS_BEGIN 0x000c0000 - #define BIOS_END 0x00100000 - - #define BIOS_ROM_BASE 0xffe00000 -diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile -index 9bcd0b5..750f1b7 100644 ---- a/arch/x86/kernel/Makefile -+++ b/arch/x86/kernel/Makefile -@@ -28,7 +28,7 @@ obj-y += time.o ioport.o ldt.o dumpstack.o nmi.o - obj-y += setup.o x86_init.o i8259.o irqinit.o jump_label.o - obj-$(CONFIG_IRQ_WORK) += irq_work.o - obj-y += probe_roms.o --obj-$(CONFIG_X86_32) += i386_ksyms_32.o -+obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o - obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o - obj-$(CONFIG_X86_64) += mcount_64.o - obj-y += syscall_$(BITS).o vsyscall_gtod.o -diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c -index dbe76a1..e2ec334 100644 ---- a/arch/x86/kernel/acpi/boot.c -+++ b/arch/x86/kernel/acpi/boot.c -@@ -1361,7 +1361,7 @@ static void __init acpi_reduced_hw_init(void) - * If your system is blacklisted here, but you find that acpi=force - * works for you, please contact linux-acpi@vger.kernel.org - */ --static struct dmi_system_id __initdata acpi_dmi_table[] = { -+static const struct dmi_system_id __initconst acpi_dmi_table[] = { - /* - * Boxes that need ACPI disabled - */ -@@ -1436,7 +1436,7 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = { - }; - - /* second table for DMI checks that should run after early-quirks */ --static struct dmi_system_id __initdata acpi_dmi_table_late[] = { -+static const struct dmi_system_id __initconst acpi_dmi_table_late[] = { - /* - * HP laptops which use a DSDT reporting as HP/SB400/10000, - * which includes some code which overrides all temperature -diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c -index d1daead..acd77e2 100644 ---- a/arch/x86/kernel/acpi/sleep.c -+++ b/arch/x86/kernel/acpi/sleep.c -@@ -99,8 +99,12 @@ int x86_acpi_suspend_lowlevel(void) - #else /* CONFIG_64BIT */ - #ifdef CONFIG_SMP - stack_start = (unsigned long)temp_stack + sizeof(temp_stack); -+ -+ pax_open_kernel(); - early_gdt_descr.address = - (unsigned long)get_cpu_gdt_table(smp_processor_id()); -+ pax_close_kernel(); -+ - initial_gs = per_cpu_offset(smp_processor_id()); - #endif - initial_code = (unsigned long)wakeup_long64; -diff --git a/arch/x86/kernel/acpi/wakeup_32.S b/arch/x86/kernel/acpi/wakeup_32.S -index 665c6b7..eae4d56 100644 ---- a/arch/x86/kernel/acpi/wakeup_32.S -+++ b/arch/x86/kernel/acpi/wakeup_32.S -@@ -29,13 +29,11 @@ wakeup_pmode_return: - # and restore the stack ... but you need gdt for this to work - movl saved_context_esp, %esp - -- movl %cs:saved_magic, %eax -- cmpl $0x12345678, %eax -+ cmpl $0x12345678, saved_magic - jne bogus_magic - - # jump to place where we left off -- movl saved_eip, %eax -- jmp *%eax -+ jmp *(saved_eip) - - bogus_magic: - jmp bogus_magic -diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c -index aef6531..d7ca83a 100644 ---- a/arch/x86/kernel/alternative.c -+++ b/arch/x86/kernel/alternative.c -@@ -248,7 +248,9 @@ static void __init_or_module add_nops(void *insns, unsigned int len) - unsigned int noplen = len; - if (noplen > ASM_NOP_MAX) - noplen = ASM_NOP_MAX; -+ pax_open_kernel(); - memcpy(insns, ideal_nops[noplen], noplen); -+ pax_close_kernel(); - insns += noplen; - len -= noplen; - } -@@ -276,6 +278,13 @@ recompute_jump(struct alt_instr *a, u8 *orig_insn, u8 *repl_insn, u8 *insnbuf) - if (a->replacementlen != 5) - return; - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (orig_insn < (u8 *)_text || (u8 *)_einittext <= orig_insn) -+ orig_insn = ktva_ktla(orig_insn); -+ else -+ orig_insn -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - o_dspl = *(s32 *)(insnbuf + 1); - - /* next_rip of the replacement JMP */ -@@ -346,6 +355,7 @@ void __init_or_module apply_alternatives(struct alt_instr *start, - { - struct alt_instr *a; - u8 *instr, *replacement; -+ u8 *vinstr, *vreplacement; - u8 insnbuf[MAX_PATCH_LEN]; - - DPRINTK("alt table %p -> %p", start, end); -@@ -361,46 +371,71 @@ void __init_or_module apply_alternatives(struct alt_instr *start, - for (a = start; a < end; a++) { - int insnbuf_sz = 0; - -- instr = (u8 *)&a->instr_offset + a->instr_offset; -- replacement = (u8 *)&a->repl_offset + a->repl_offset; -+ vinstr = instr = (u8 *)&a->instr_offset + a->instr_offset; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((u8 *)_text - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR) <= instr && -+ instr < (u8 *)_einittext - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR)) { -+ instr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ vinstr = ktla_ktva(instr); -+ } else if ((u8 *)_text <= instr && instr < (u8 *)_einittext) { -+ vinstr = ktla_ktva(instr); -+ } else { -+ instr = ktva_ktla(instr); -+ } -+#endif -+ -+ vreplacement = replacement = (u8 *)&a->repl_offset + a->repl_offset; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((u8 *)_text - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR) <= replacement && -+ replacement < (u8 *)_einittext - (____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR)) { -+ replacement += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ vreplacement = ktla_ktva(replacement); -+ } else if ((u8 *)_text <= replacement && replacement < (u8 *)_einittext) { -+ vreplacement = ktla_ktva(replacement); -+ } else -+ replacement = ktva_ktla(replacement); -+#endif -+ - BUG_ON(a->instrlen > sizeof(insnbuf)); - BUG_ON(a->cpuid >= (NCAPINTS + NBUGINTS) * 32); - if (!boot_cpu_has(a->cpuid)) { - if (a->padlen > 1) -- optimize_nops(a, instr); -+ optimize_nops(a, vinstr); - - continue; - } - -- DPRINTK("feat: %d*32+%d, old: (%p, len: %d), repl: (%p, len: %d), pad: %d", -+ DPRINTK("feat: %d*32+%d, old: (%p/%p, len: %d), repl: (%p, len: %d), pad: %d", - a->cpuid >> 5, - a->cpuid & 0x1f, -- instr, a->instrlen, -- replacement, a->replacementlen, a->padlen); -+ instr, vinstr, a->instrlen, -+ vreplacement, a->replacementlen, a->padlen); - -- DUMP_BYTES(instr, a->instrlen, "%p: old_insn: ", instr); -- DUMP_BYTES(replacement, a->replacementlen, "%p: rpl_insn: ", replacement); -+ DUMP_BYTES(vinstr, a->instrlen, "%p: old_insn: ", vinstr); -+ DUMP_BYTES(vreplacement, a->replacementlen, "%p: rpl_insn: ", vreplacement); - -- memcpy(insnbuf, replacement, a->replacementlen); -+ memcpy(insnbuf, vreplacement, a->replacementlen); - insnbuf_sz = a->replacementlen; - - /* 0xe8 is a relative jump; fix the offset. */ - if (*insnbuf == 0xe8 && a->replacementlen == 5) { -- *(s32 *)(insnbuf + 1) += replacement - instr; -+ *(s32 *)(insnbuf + 1) += vreplacement - vinstr; - DPRINTK("Fix CALL offset: 0x%x, CALL 0x%lx", - *(s32 *)(insnbuf + 1), -- (unsigned long)instr + *(s32 *)(insnbuf + 1) + 5); -+ (unsigned long)vinstr + *(s32 *)(insnbuf + 1) + 5); - } - -- if (a->replacementlen && is_jmp(replacement[0])) -- recompute_jump(a, instr, replacement, insnbuf); -+ if (a->replacementlen && is_jmp(vreplacement[0])) -+ recompute_jump(a, instr, vreplacement, insnbuf); - - if (a->instrlen > a->replacementlen) { - add_nops(insnbuf + a->replacementlen, - a->instrlen - a->replacementlen); - insnbuf_sz += a->instrlen - a->replacementlen; - } -- DUMP_BYTES(insnbuf, insnbuf_sz, "%p: final_insn: ", instr); -+ DUMP_BYTES(insnbuf, insnbuf_sz, "%p: final_insn: ", vinstr); - - text_poke_early(instr, insnbuf, insnbuf_sz); - } -@@ -416,10 +451,16 @@ static void alternatives_smp_lock(const s32 *start, const s32 *end, - for (poff = start; poff < end; poff++) { - u8 *ptr = (u8 *)poff + *poff; - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr) -+ ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - if (!*poff || ptr < text || ptr >= text_end) - continue; - /* turn DS segment override prefix into lock prefix */ -- if (*ptr == 0x3e) -+ if (*ktla_ktva(ptr) == 0x3e) - text_poke(ptr, ((unsigned char []){0xf0}), 1); - } - mutex_unlock(&text_mutex); -@@ -434,10 +475,16 @@ static void alternatives_smp_unlock(const s32 *start, const s32 *end, - for (poff = start; poff < end; poff++) { - u8 *ptr = (u8 *)poff + *poff; - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ ptr += ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ if (ptr < (u8 *)_text || (u8 *)_einittext <= ptr) -+ ptr -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - if (!*poff || ptr < text || ptr >= text_end) - continue; - /* turn lock prefix into DS segment override prefix */ -- if (*ptr == 0xf0) -+ if (*ktla_ktva(ptr) == 0xf0) - text_poke(ptr, ((unsigned char []){0x3E}), 1); - } - mutex_unlock(&text_mutex); -@@ -574,7 +621,7 @@ void __init_or_module apply_paravirt(struct paravirt_patch_site *start, - - BUG_ON(p->len > MAX_PATCH_LEN); - /* prep the buffer with the original instructions */ -- memcpy(insnbuf, p->instr, p->len); -+ memcpy(insnbuf, ktla_ktva(p->instr), p->len); - used = pv_init_ops.patch(p->instrtype, p->clobbers, insnbuf, - (unsigned long)p->instr, p->len); - -@@ -621,7 +668,7 @@ void __init alternative_instructions(void) - if (!uniproc_patched || num_possible_cpus() == 1) - free_init_pages("SMP alternatives", - (unsigned long)__smp_locks, -- (unsigned long)__smp_locks_end); -+ PAGE_ALIGN((unsigned long)__smp_locks_end)); - #endif - - apply_paravirt(__parainstructions, __parainstructions_end); -@@ -641,13 +688,17 @@ void __init alternative_instructions(void) - * instructions. And on the local CPU you need to be protected again NMI or MCE - * handlers seeing an inconsistent instruction while you patch. - */ --void *__init_or_module text_poke_early(void *addr, const void *opcode, -+void *__kprobes text_poke_early(void *addr, const void *opcode, - size_t len) - { - unsigned long flags; - local_irq_save(flags); -- memcpy(addr, opcode, len); -+ -+ pax_open_kernel(); -+ memcpy(ktla_ktva(addr), opcode, len); - sync_core(); -+ pax_close_kernel(); -+ - local_irq_restore(flags); - /* Could also do a CLFLUSH here to speed up CPU recovery; but - that causes hangs on some VIA CPUs. */ -@@ -669,36 +720,22 @@ void *__init_or_module text_poke_early(void *addr, const void *opcode, - */ - void *text_poke(void *addr, const void *opcode, size_t len) - { -- unsigned long flags; -- char *vaddr; -+ unsigned char *vaddr = ktla_ktva(addr); - struct page *pages[2]; -- int i; -+ size_t i; - - if (!core_kernel_text((unsigned long)addr)) { -- pages[0] = vmalloc_to_page(addr); -- pages[1] = vmalloc_to_page(addr + PAGE_SIZE); -+ pages[0] = vmalloc_to_page(vaddr); -+ pages[1] = vmalloc_to_page(vaddr + PAGE_SIZE); - } else { -- pages[0] = virt_to_page(addr); -+ pages[0] = virt_to_page(vaddr); - WARN_ON(!PageReserved(pages[0])); -- pages[1] = virt_to_page(addr + PAGE_SIZE); -+ pages[1] = virt_to_page(vaddr + PAGE_SIZE); - } - BUG_ON(!pages[0]); -- local_irq_save(flags); -- set_fixmap(FIX_TEXT_POKE0, page_to_phys(pages[0])); -- if (pages[1]) -- set_fixmap(FIX_TEXT_POKE1, page_to_phys(pages[1])); -- vaddr = (char *)fix_to_virt(FIX_TEXT_POKE0); -- memcpy(&vaddr[(unsigned long)addr & ~PAGE_MASK], opcode, len); -- clear_fixmap(FIX_TEXT_POKE0); -- if (pages[1]) -- clear_fixmap(FIX_TEXT_POKE1); -- local_flush_tlb(); -- sync_core(); -- /* Could also do a CLFLUSH here to speed up CPU recovery; but -- that causes hangs on some VIA CPUs. */ -+ text_poke_early(addr, opcode, len); - for (i = 0; i < len; i++) -- BUG_ON(((char *)addr)[i] != ((char *)opcode)[i]); -- local_irq_restore(flags); -+ BUG_ON((vaddr)[i] != ((const unsigned char *)opcode)[i]); - return addr; - } - -@@ -752,7 +789,7 @@ int poke_int3_handler(struct pt_regs *regs) - */ - void *text_poke_bp(void *addr, const void *opcode, size_t len, void *handler) - { -- unsigned char int3 = 0xcc; -+ const unsigned char int3 = 0xcc; - - bp_int3_handler = handler; - bp_int3_addr = (u8 *)addr + sizeof(int3); -diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c -index cde732c..6365ac2 100644 ---- a/arch/x86/kernel/apic/apic.c -+++ b/arch/x86/kernel/apic/apic.c -@@ -171,7 +171,7 @@ int first_system_vector = FIRST_SYSTEM_VECTOR; - /* - * Debug level, exported for io_apic.c - */ --unsigned int apic_verbosity; -+int apic_verbosity; - - int pic_mode; - -@@ -1857,7 +1857,7 @@ static inline void __smp_error_interrupt(struct pt_regs *regs) - apic_write(APIC_ESR, 0); - v = apic_read(APIC_ESR); - ack_APIC_irq(); -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - - apic_printk(APIC_DEBUG, KERN_DEBUG "APIC error on CPU%d: %02x", - smp_processor_id(), v); -diff --git a/arch/x86/kernel/apic/apic_flat_64.c b/arch/x86/kernel/apic/apic_flat_64.c -index de918c4..32eed23 100644 ---- a/arch/x86/kernel/apic/apic_flat_64.c -+++ b/arch/x86/kernel/apic/apic_flat_64.c -@@ -154,7 +154,7 @@ static int flat_probe(void) - return 1; - } - --static struct apic apic_flat = { -+static struct apic apic_flat __read_only = { - .name = "flat", - .probe = flat_probe, - .acpi_madt_oem_check = flat_acpi_madt_oem_check, -@@ -260,7 +260,7 @@ static int physflat_probe(void) - return 0; - } - --static struct apic apic_physflat = { -+static struct apic apic_physflat __read_only = { - - .name = "physical flat", - .probe = physflat_probe, -diff --git a/arch/x86/kernel/apic/apic_noop.c b/arch/x86/kernel/apic/apic_noop.c -index b205cdb..d8503ff 100644 ---- a/arch/x86/kernel/apic/apic_noop.c -+++ b/arch/x86/kernel/apic/apic_noop.c -@@ -108,7 +108,7 @@ static void noop_apic_write(u32 reg, u32 v) - WARN_ON_ONCE(cpu_has_apic && !disable_apic); - } - --struct apic apic_noop = { -+struct apic apic_noop __read_only = { - .name = "noop", - .probe = noop_probe, - .acpi_madt_oem_check = NULL, -diff --git a/arch/x86/kernel/apic/bigsmp_32.c b/arch/x86/kernel/apic/bigsmp_32.c -index c4a8d63..fe893ac 100644 ---- a/arch/x86/kernel/apic/bigsmp_32.c -+++ b/arch/x86/kernel/apic/bigsmp_32.c -@@ -147,7 +147,7 @@ static int probe_bigsmp(void) - return dmi_bigsmp; - } - --static struct apic apic_bigsmp = { -+static struct apic apic_bigsmp __read_only = { - - .name = "bigsmp", - .probe = probe_bigsmp, -diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c -index f4dc246..fbab133 100644 ---- a/arch/x86/kernel/apic/io_apic.c -+++ b/arch/x86/kernel/apic/io_apic.c -@@ -1862,7 +1862,7 @@ int native_ioapic_set_affinity(struct irq_data *data, - return ret; - } - --atomic_t irq_mis_count; -+atomic_unchecked_t irq_mis_count; - - #ifdef CONFIG_GENERIC_PENDING_IRQ - static bool io_apic_level_ack_pending(struct irq_cfg *cfg) -@@ -2003,7 +2003,7 @@ static void ack_ioapic_level(struct irq_data *data) - * at the cpu. - */ - if (!(v & (1 << (i & 0x1f)))) { -- atomic_inc(&irq_mis_count); -+ atomic_inc_unchecked(&irq_mis_count); - - eoi_ioapic_irq(irq, cfg); - } -@@ -2011,7 +2011,7 @@ static void ack_ioapic_level(struct irq_data *data) - ioapic_irqd_unmask(data, cfg, masked); - } - --static struct irq_chip ioapic_chip __read_mostly = { -+static struct irq_chip ioapic_chip = { - .name = "IO-APIC", - .irq_startup = startup_ioapic_irq, - .irq_mask = mask_ioapic_irq, -@@ -2070,7 +2070,7 @@ static void ack_lapic_irq(struct irq_data *data) - ack_APIC_irq(); - } - --static struct irq_chip lapic_chip __read_mostly = { -+static struct irq_chip lapic_chip = { - .name = "local-APIC", - .irq_mask = mask_lapic_irq, - .irq_unmask = unmask_lapic_irq, -diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c -index bda4886..f9c7195 100644 ---- a/arch/x86/kernel/apic/probe_32.c -+++ b/arch/x86/kernel/apic/probe_32.c -@@ -72,7 +72,7 @@ static int probe_default(void) - return 1; - } - --static struct apic apic_default = { -+static struct apic apic_default __read_only = { - - .name = "default", - .probe = probe_default, -diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c -index 6cedd79..023ff8e 100644 ---- a/arch/x86/kernel/apic/vector.c -+++ b/arch/x86/kernel/apic/vector.c -@@ -21,7 +21,7 @@ - - static DEFINE_RAW_SPINLOCK(vector_lock); - --void lock_vector_lock(void) -+void lock_vector_lock(void) __acquires(vector_lock) - { - /* Used to the online set of cpus does not change - * during assign_irq_vector. -@@ -29,7 +29,7 @@ void lock_vector_lock(void) - raw_spin_lock(&vector_lock); - } - --void unlock_vector_lock(void) -+void unlock_vector_lock(void) __releases(vector_lock) - { - raw_spin_unlock(&vector_lock); - } -diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c -index ab3219b..e8033eb 100644 ---- a/arch/x86/kernel/apic/x2apic_cluster.c -+++ b/arch/x86/kernel/apic/x2apic_cluster.c -@@ -182,7 +182,7 @@ update_clusterinfo(struct notifier_block *nfb, unsigned long action, void *hcpu) - return notifier_from_errno(err); - } - --static struct notifier_block __refdata x2apic_cpu_notifier = { -+static struct notifier_block x2apic_cpu_notifier = { - .notifier_call = update_clusterinfo, - }; - -@@ -234,7 +234,7 @@ static void cluster_vector_allocation_domain(int cpu, struct cpumask *retmask, - cpumask_and(retmask, mask, per_cpu(cpus_in_cluster, cpu)); - } - --static struct apic apic_x2apic_cluster = { -+static struct apic apic_x2apic_cluster __read_only = { - - .name = "cluster x2apic", - .probe = x2apic_cluster_probe, -diff --git a/arch/x86/kernel/apic/x2apic_phys.c b/arch/x86/kernel/apic/x2apic_phys.c -index 6fae733..5ca17af 100644 ---- a/arch/x86/kernel/apic/x2apic_phys.c -+++ b/arch/x86/kernel/apic/x2apic_phys.c -@@ -88,7 +88,7 @@ static int x2apic_phys_probe(void) - return apic == &apic_x2apic_phys; - } - --static struct apic apic_x2apic_phys = { -+static struct apic apic_x2apic_phys __read_only = { - - .name = "physical x2apic", - .probe = x2apic_phys_probe, -diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c -index c8d9295..9af2d03 100644 ---- a/arch/x86/kernel/apic/x2apic_uv_x.c -+++ b/arch/x86/kernel/apic/x2apic_uv_x.c -@@ -375,7 +375,7 @@ static int uv_probe(void) - return apic == &apic_x2apic_uv_x; - } - --static struct apic __refdata apic_x2apic_uv_x = { -+static struct apic apic_x2apic_uv_x __read_only = { - - .name = "UV large system", - .probe = uv_probe, -diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c -index 927ec92..de68f32 100644 ---- a/arch/x86/kernel/apm_32.c -+++ b/arch/x86/kernel/apm_32.c -@@ -432,7 +432,7 @@ static DEFINE_MUTEX(apm_mutex); - * This is for buggy BIOS's that refer to (real mode) segment 0x40 - * even though they are called in protected mode. - */ --static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092, -+static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093, - (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1); - - static const char driver_version[] = "1.16ac"; /* no spaces */ -@@ -610,7 +610,10 @@ static long __apm_bios_call(void *_call) - BUG_ON(cpu != 0); - gdt = get_cpu_gdt_table(cpu); - save_desc_40 = gdt[0x40 / 8]; -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - apm_irq_save(flags); - APM_DO_SAVE_SEGS; -@@ -619,7 +622,11 @@ static long __apm_bios_call(void *_call) - &call->esi); - APM_DO_RESTORE_SEGS; - apm_irq_restore(flags); -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - - return call->eax & 0xff; -@@ -686,7 +693,10 @@ static long __apm_bios_call_simple(void *_call) - BUG_ON(cpu != 0); - gdt = get_cpu_gdt_table(cpu); - save_desc_40 = gdt[0x40 / 8]; -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - apm_irq_save(flags); - APM_DO_SAVE_SEGS; -@@ -694,7 +704,11 @@ static long __apm_bios_call_simple(void *_call) - &call->eax); - APM_DO_RESTORE_SEGS; - apm_irq_restore(flags); -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - return error; - } -@@ -2039,7 +2053,7 @@ static int __init swab_apm_power_in_minutes(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata apm_dmi_table[] = { -+static const struct dmi_system_id __initconst apm_dmi_table[] = { - { - print_if_true, - KERN_WARNING "IBM T23 - BIOS 1.03b+ and controller firmware 1.02+ may be needed for Linux APM.", -@@ -2349,12 +2363,15 @@ static int __init apm_init(void) - * code to that CPU. - */ - gdt = get_cpu_gdt_table(0); -+ -+ pax_open_kernel(); - set_desc_base(&gdt[APM_CS >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.cseg << 4)); - set_desc_base(&gdt[APM_CS_16 >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.cseg_16 << 4)); - set_desc_base(&gdt[APM_DS >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.dseg << 4)); -+ pax_close_kernel(); - - proc_create("apm", 0, NULL, &apm_file_ops); - -diff --git a/arch/x86/kernel/asm-offsets.c b/arch/x86/kernel/asm-offsets.c -index 9f6b934..cf5ffb3 100644 ---- a/arch/x86/kernel/asm-offsets.c -+++ b/arch/x86/kernel/asm-offsets.c -@@ -32,6 +32,8 @@ void common(void) { - OFFSET(TI_flags, thread_info, flags); - OFFSET(TI_status, thread_info, status); - OFFSET(TI_addr_limit, thread_info, addr_limit); -+ OFFSET(TI_lowest_stack, thread_info, lowest_stack); -+ DEFINE(TI_task_thread_sp0, offsetof(struct task_struct, thread.sp0) - offsetof(struct task_struct, tinfo)); - - BLANK(); - OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); -@@ -52,8 +54,26 @@ void common(void) { - OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit); - OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0); - OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ OFFSET(PV_CPU_write_cr0, pv_cpu_ops, write_cr0); - #endif - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ OFFSET(PV_MMU_read_cr3, pv_mmu_ops, read_cr3); -+ OFFSET(PV_MMU_write_cr3, pv_mmu_ops, write_cr3); -+#ifdef CONFIG_X86_64 -+ OFFSET(PV_MMU_set_pgd_batched, pv_mmu_ops, set_pgd_batched); -+#endif -+#endif -+ -+#endif -+ -+ BLANK(); -+ DEFINE(PAGE_SIZE_asm, PAGE_SIZE); -+ DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT); -+ DEFINE(THREAD_SIZE_asm, THREAD_SIZE); -+ - #ifdef CONFIG_XEN - BLANK(); - OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); -diff --git a/arch/x86/kernel/asm-offsets_64.c b/arch/x86/kernel/asm-offsets_64.c -index 5ce6f2d..9e738f3 100644 ---- a/arch/x86/kernel/asm-offsets_64.c -+++ b/arch/x86/kernel/asm-offsets_64.c -@@ -80,6 +80,7 @@ int main(void) - BLANK(); - #undef ENTRY - -+ DEFINE(TSS_size, sizeof(struct tss_struct)); - OFFSET(TSS_ist, tss_struct, x86_tss.ist); - OFFSET(TSS_sp0, tss_struct, x86_tss.sp0); - BLANK(); -diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile -index 9bff687..5b899fb 100644 ---- a/arch/x86/kernel/cpu/Makefile -+++ b/arch/x86/kernel/cpu/Makefile -@@ -8,10 +8,6 @@ CFLAGS_REMOVE_common.o = -pg - CFLAGS_REMOVE_perf_event.o = -pg - endif - --# Make sure load_percpu_segment has no stackprotector --nostackp := $(call cc-option, -fno-stack-protector) --CFLAGS_common.o := $(nostackp) -- - obj-y := intel_cacheinfo.o scattered.o topology.o - obj-y += common.o - obj-y += rdrand.o -diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c -index e4cf633..941f450 100644 ---- a/arch/x86/kernel/cpu/amd.c -+++ b/arch/x86/kernel/cpu/amd.c -@@ -729,7 +729,7 @@ static void init_amd(struct cpuinfo_x86 *c) - static unsigned int amd_size_cache(struct cpuinfo_x86 *c, unsigned int size) - { - /* AMD errata T13 (order #21922) */ -- if ((c->x86 == 6)) { -+ if (c->x86 == 6) { - /* Duron Rev A0 */ - if (c->x86_model == 3 && c->x86_mask == 0) - size = 64; -diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c -index a62cf04..a55415c 100644 ---- a/arch/x86/kernel/cpu/common.c -+++ b/arch/x86/kernel/cpu/common.c -@@ -91,60 +91,6 @@ static const struct cpu_dev default_cpu = { - - static const struct cpu_dev *this_cpu = &default_cpu; - --DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = { --#ifdef CONFIG_X86_64 -- /* -- * We need valid kernel segments for data and code in long mode too -- * IRET will check the segment types kkeil 2000/10/28 -- * Also sysret mandates a special GDT layout -- * -- * TLS descriptors are currently at a different place compared to i386. -- * Hopefully nobody expects them at a fixed place (Wine?) -- */ -- [GDT_ENTRY_KERNEL32_CS] = GDT_ENTRY_INIT(0xc09b, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xa09b, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc093, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER32_CS] = GDT_ENTRY_INIT(0xc0fb, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f3, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xa0fb, 0, 0xfffff), --#else -- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xc09a, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xc0fa, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f2, 0, 0xfffff), -- /* -- * Segments used for calling PnP BIOS have byte granularity. -- * They code segments and data segments have fixed 64k limits, -- * the transfer segment sizes are set at run time. -- */ -- /* 32-bit code */ -- [GDT_ENTRY_PNPBIOS_CS32] = GDT_ENTRY_INIT(0x409a, 0, 0xffff), -- /* 16-bit code */ -- [GDT_ENTRY_PNPBIOS_CS16] = GDT_ENTRY_INIT(0x009a, 0, 0xffff), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_DS] = GDT_ENTRY_INIT(0x0092, 0, 0xffff), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_TS1] = GDT_ENTRY_INIT(0x0092, 0, 0), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_TS2] = GDT_ENTRY_INIT(0x0092, 0, 0), -- /* -- * The APM segments have byte granularity and their bases -- * are set at run time. All have 64k limits. -- */ -- /* 32-bit code */ -- [GDT_ENTRY_APMBIOS_BASE] = GDT_ENTRY_INIT(0x409a, 0, 0xffff), -- /* 16-bit code */ -- [GDT_ENTRY_APMBIOS_BASE+1] = GDT_ENTRY_INIT(0x009a, 0, 0xffff), -- /* data */ -- [GDT_ENTRY_APMBIOS_BASE+2] = GDT_ENTRY_INIT(0x4092, 0, 0xffff), -- -- [GDT_ENTRY_ESPFIX_SS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- [GDT_ENTRY_PERCPU] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- GDT_STACK_CANARY_INIT --#endif --} }; --EXPORT_PER_CPU_SYMBOL_GPL(gdt_page); -- - static int __init x86_xsave_setup(char *s) - { - if (strlen(s)) -@@ -306,6 +252,109 @@ static __always_inline void setup_smap(struct cpuinfo_x86 *c) - } - } - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#ifdef CONFIG_X86_64 -+static bool uderef_enabled __read_only = true; -+unsigned long pax_user_shadow_base __read_only; -+EXPORT_SYMBOL(pax_user_shadow_base); -+extern char pax_enter_kernel_user[]; -+extern char pax_exit_kernel_user[]; -+ -+static int __init setup_pax_weakuderef(char *str) -+{ -+ if (uderef_enabled) -+ pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT; -+ return 1; -+} -+__setup("pax_weakuderef", setup_pax_weakuderef); -+#endif -+ -+static int __init setup_pax_nouderef(char *str) -+{ -+#ifdef CONFIG_X86_32 -+ unsigned int cpu; -+ struct desc_struct *gdt; -+ -+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) { -+ gdt = get_cpu_gdt_table(cpu); -+ gdt[GDT_ENTRY_KERNEL_DS].type = 3; -+ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf; -+ gdt[GDT_ENTRY_DEFAULT_USER_CS].limit = 0xf; -+ gdt[GDT_ENTRY_DEFAULT_USER_DS].limit = 0xf; -+ } -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); -+ loadsegment(ss, __KERNEL_DS); -+#else -+ memcpy(pax_enter_kernel_user, (unsigned char []){0xc3}, 1); -+ memcpy(pax_exit_kernel_user, (unsigned char []){0xc3}, 1); -+ clone_pgd_mask = ~(pgdval_t)0UL; -+ pax_user_shadow_base = 0UL; -+ setup_clear_cpu_cap(X86_FEATURE_PCIDUDEREF); -+ uderef_enabled = false; -+#endif -+ -+ return 0; -+} -+early_param("pax_nouderef", setup_pax_nouderef); -+#endif -+ -+#ifdef CONFIG_X86_64 -+static __init int setup_disable_pcid(char *arg) -+{ -+ setup_clear_cpu_cap(X86_FEATURE_PCID); -+ setup_clear_cpu_cap(X86_FEATURE_INVPCID); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (uderef_enabled) -+ pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT; -+#endif -+ -+ return 1; -+} -+__setup("nopcid", setup_disable_pcid); -+ -+static void setup_pcid(struct cpuinfo_x86 *c) -+{ -+ if (cpu_has(c, X86_FEATURE_PCID)) { -+ printk("PAX: PCID detected\n"); -+ cr4_set_bits(X86_CR4_PCIDE); -+ } else -+ clear_cpu_cap(c, X86_FEATURE_INVPCID); -+ -+ if (cpu_has(c, X86_FEATURE_INVPCID)) -+ printk("PAX: INVPCID detected\n"); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!uderef_enabled) { -+ printk("PAX: UDEREF disabled\n"); -+ return; -+ } -+ -+ if (!cpu_has(c, X86_FEATURE_PCID)) { -+ pax_open_kernel(); -+ pax_user_shadow_base = 1UL << TASK_SIZE_MAX_SHIFT; -+ pax_close_kernel(); -+ printk("PAX: slow and weak UDEREF enabled\n"); -+ return; -+ } -+ -+ set_cpu_cap(c, X86_FEATURE_PCIDUDEREF); -+ -+ pax_open_kernel(); -+ clone_pgd_mask = ~(pgdval_t)0UL; -+ pax_close_kernel(); -+ if (pax_user_shadow_base) -+ printk("PAX: weak UDEREF enabled\n"); -+ else { -+ set_cpu_cap(c, X86_FEATURE_STRONGUDEREF); -+ printk("PAX: strong UDEREF enabled\n"); -+ } -+#endif -+ -+} -+#endif -+ - /* - * Some CPU features depend on higher CPUID levels, which may not always - * be available due to CPUID level capping or broken virtualization -@@ -406,7 +455,7 @@ void switch_to_new_gdt(int cpu) - { - struct desc_ptr gdt_descr; - -- gdt_descr.address = (long)get_cpu_gdt_table(cpu); -+ gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); - /* Reload the per-cpu base */ -@@ -935,6 +984,20 @@ static void identify_cpu(struct cpuinfo_x86 *c) - setup_smep(c); - setup_smap(c); - -+#ifdef CONFIG_X86_32 -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(__supported_pte_mask & _PAGE_NX)) -+ clear_cpu_cap(c, X86_FEATURE_PSE); -+#endif -+#if defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ clear_cpu_cap(c, X86_FEATURE_SEP); -+#endif -+#endif -+ -+#ifdef CONFIG_X86_64 -+ setup_pcid(c); -+#endif -+ - /* - * The vendor-specific functions might have changed features. - * Now we do "generic changes." -@@ -1009,7 +1072,7 @@ void enable_sep_cpu(void) - int cpu; - - cpu = get_cpu(); -- tss = &per_cpu(cpu_tss, cpu); -+ tss = cpu_tss + cpu; - - if (!boot_cpu_has(X86_FEATURE_SEP)) - goto out; -@@ -1155,14 +1218,16 @@ static __init int setup_disablecpuid(char *arg) - } - __setup("clearcpuid=", setup_disablecpuid); - -+DEFINE_PER_CPU(struct thread_info *, current_tinfo) = &init_task.tinfo; -+EXPORT_PER_CPU_SYMBOL(current_tinfo); -+ - DEFINE_PER_CPU(unsigned long, kernel_stack) = -- (unsigned long)&init_thread_union + THREAD_SIZE; -+ (unsigned long)&init_thread_union - 16 + THREAD_SIZE; - EXPORT_PER_CPU_SYMBOL(kernel_stack); - - #ifdef CONFIG_X86_64 --struct desc_ptr idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) idt_table }; --struct desc_ptr debug_idt_descr = { NR_VECTORS * 16 - 1, -- (unsigned long) debug_idt_table }; -+struct desc_ptr idt_descr __read_only = { NR_VECTORS * 16 - 1, (unsigned long) idt_table }; -+const struct desc_ptr debug_idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) debug_idt_table }; - - DEFINE_PER_CPU_FIRST(union irq_stack_union, - irq_stack_union) __aligned(PAGE_SIZE) __visible; -@@ -1367,7 +1432,7 @@ void cpu_init(void) - */ - load_ucode_ap(); - -- t = &per_cpu(cpu_tss, cpu); -+ t = cpu_tss + cpu; - oist = &per_cpu(orig_ist, cpu); - - #ifdef CONFIG_NUMA -@@ -1399,7 +1464,6 @@ void cpu_init(void) - wrmsrl(MSR_KERNEL_GS_BASE, 0); - barrier(); - -- x86_configure_nx(); - x2apic_setup(); - - /* -@@ -1451,7 +1515,7 @@ void cpu_init(void) - { - int cpu = smp_processor_id(); - struct task_struct *curr = current; -- struct tss_struct *t = &per_cpu(cpu_tss, cpu); -+ struct tss_struct *t = cpu_tss + cpu; - struct thread_struct *thread = &curr->thread; - - wait_for_master_cpu(cpu); -diff --git a/arch/x86/kernel/cpu/intel_cacheinfo.c b/arch/x86/kernel/cpu/intel_cacheinfo.c -index edcb0e2..a138233 100644 ---- a/arch/x86/kernel/cpu/intel_cacheinfo.c -+++ b/arch/x86/kernel/cpu/intel_cacheinfo.c -@@ -519,25 +519,23 @@ cache_private_attrs_is_visible(struct kobject *kobj, - return 0; - } - -+static struct attribute *amd_l3_attrs[4]; -+ - static struct attribute_group cache_private_group = { - .is_visible = cache_private_attrs_is_visible, -+ .attrs = amd_l3_attrs, - }; - - static void init_amd_l3_attrs(void) - { - int n = 1; -- static struct attribute **amd_l3_attrs; -- -- if (amd_l3_attrs) /* already initialized */ -- return; - - if (amd_nb_has_feature(AMD_NB_L3_INDEX_DISABLE)) - n += 2; - if (amd_nb_has_feature(AMD_NB_L3_PARTITIONING)) - n += 1; - -- amd_l3_attrs = kcalloc(n, sizeof(*amd_l3_attrs), GFP_KERNEL); -- if (!amd_l3_attrs) -+ if (n > 1 && amd_l3_attrs[0]) /* already initialized */ - return; - - n = 0; -@@ -547,8 +545,6 @@ static void init_amd_l3_attrs(void) - } - if (amd_nb_has_feature(AMD_NB_L3_PARTITIONING)) - amd_l3_attrs[n++] = &dev_attr_subcaches.attr; -- -- cache_private_group.attrs = amd_l3_attrs; - } - - const struct attribute_group * -@@ -559,7 +555,7 @@ cache_get_priv_group(struct cacheinfo *this_leaf) - if (this_leaf->level < 3 || !nb) - return NULL; - -- if (nb && nb->l3_cache.indices) -+ if (nb->l3_cache.indices) - init_amd_l3_attrs(); - - return &cache_private_group; -diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c -index 20190bd..cadb2ab 100644 ---- a/arch/x86/kernel/cpu/mcheck/mce.c -+++ b/arch/x86/kernel/cpu/mcheck/mce.c -@@ -47,6 +47,7 @@ - #include <asm/tlbflush.h> - #include <asm/mce.h> - #include <asm/msr.h> -+#include <asm/local.h> - - #include "mce-internal.h" - -@@ -256,7 +257,7 @@ static void print_mce(struct mce *m) - !(m->mcgstatus & MCG_STATUS_EIPV) ? " !INEXACT!" : "", - m->cs, m->ip); - -- if (m->cs == __KERNEL_CS) -+ if (m->cs == __KERNEL_CS || m->cs == __KERNEXEC_KERNEL_CS) - print_symbol("{%s}", m->ip); - pr_cont("\n"); - } -@@ -289,10 +290,10 @@ static void print_mce(struct mce *m) - - #define PANIC_TIMEOUT 5 /* 5 seconds */ - --static atomic_t mce_panicked; -+static atomic_unchecked_t mce_panicked; - - static int fake_panic; --static atomic_t mce_fake_panicked; -+static atomic_unchecked_t mce_fake_panicked; - - /* Panic in progress. Enable interrupts and wait for final IPI */ - static void wait_for_panic(void) -@@ -316,7 +317,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp) - /* - * Make sure only one CPU runs in machine check panic - */ -- if (atomic_inc_return(&mce_panicked) > 1) -+ if (atomic_inc_return_unchecked(&mce_panicked) > 1) - wait_for_panic(); - barrier(); - -@@ -324,7 +325,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp) - console_verbose(); - } else { - /* Don't log too much for fake panic */ -- if (atomic_inc_return(&mce_fake_panicked) > 1) -+ if (atomic_inc_return_unchecked(&mce_fake_panicked) > 1) - return; - } - /* First print corrected ones that are still unlogged */ -@@ -363,7 +364,7 @@ static void mce_panic(const char *msg, struct mce *final, char *exp) - if (!fake_panic) { - if (panic_timeout == 0) - panic_timeout = mca_cfg.panic_timeout; -- panic(msg); -+ panic("%s", msg); - } else - pr_emerg(HW_ERR "Fake kernel panic: %s\n", msg); - } -@@ -749,7 +750,7 @@ static int mce_timed_out(u64 *t, const char *msg) - * might have been modified by someone else. - */ - rmb(); -- if (atomic_read(&mce_panicked)) -+ if (atomic_read_unchecked(&mce_panicked)) - wait_for_panic(); - if (!mca_cfg.monarch_timeout) - goto out; -@@ -1679,7 +1680,7 @@ static void unexpected_machine_check(struct pt_regs *regs, long error_code) - } - - /* Call the installed machine check handler for this CPU setup. */ --void (*machine_check_vector)(struct pt_regs *, long error_code) = -+void (*machine_check_vector)(struct pt_regs *, long error_code) __read_only = - unexpected_machine_check; - - /* -@@ -1702,7 +1703,9 @@ void mcheck_cpu_init(struct cpuinfo_x86 *c) - return; - } - -+ pax_open_kernel(); - machine_check_vector = do_machine_check; -+ pax_close_kernel(); - - __mcheck_cpu_init_generic(); - __mcheck_cpu_init_vendor(c); -@@ -1716,7 +1719,7 @@ void mcheck_cpu_init(struct cpuinfo_x86 *c) - */ - - static DEFINE_SPINLOCK(mce_chrdev_state_lock); --static int mce_chrdev_open_count; /* #times opened */ -+static local_t mce_chrdev_open_count; /* #times opened */ - static int mce_chrdev_open_exclu; /* already open exclusive? */ - - static int mce_chrdev_open(struct inode *inode, struct file *file) -@@ -1724,7 +1727,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file) - spin_lock(&mce_chrdev_state_lock); - - if (mce_chrdev_open_exclu || -- (mce_chrdev_open_count && (file->f_flags & O_EXCL))) { -+ (local_read(&mce_chrdev_open_count) && (file->f_flags & O_EXCL))) { - spin_unlock(&mce_chrdev_state_lock); - - return -EBUSY; -@@ -1732,7 +1735,7 @@ static int mce_chrdev_open(struct inode *inode, struct file *file) - - if (file->f_flags & O_EXCL) - mce_chrdev_open_exclu = 1; -- mce_chrdev_open_count++; -+ local_inc(&mce_chrdev_open_count); - - spin_unlock(&mce_chrdev_state_lock); - -@@ -1743,7 +1746,7 @@ static int mce_chrdev_release(struct inode *inode, struct file *file) - { - spin_lock(&mce_chrdev_state_lock); - -- mce_chrdev_open_count--; -+ local_dec(&mce_chrdev_open_count); - mce_chrdev_open_exclu = 0; - - spin_unlock(&mce_chrdev_state_lock); -@@ -2419,7 +2422,7 @@ static __init void mce_init_banks(void) - - for (i = 0; i < mca_cfg.banks; i++) { - struct mce_bank *b = &mce_banks[i]; -- struct device_attribute *a = &b->attr; -+ device_attribute_no_const *a = &b->attr; - - sysfs_attr_init(&a->attr); - a->attr.name = b->attrname; -@@ -2526,7 +2529,7 @@ struct dentry *mce_get_debugfs_dir(void) - static void mce_reset(void) - { - cpu_missing = 0; -- atomic_set(&mce_fake_panicked, 0); -+ atomic_set_unchecked(&mce_fake_panicked, 0); - atomic_set(&mce_executing, 0); - atomic_set(&mce_callin, 0); - atomic_set(&global_nwo, 0); -diff --git a/arch/x86/kernel/cpu/mcheck/p5.c b/arch/x86/kernel/cpu/mcheck/p5.c -index 737b0ad..09ec66e 100644 ---- a/arch/x86/kernel/cpu/mcheck/p5.c -+++ b/arch/x86/kernel/cpu/mcheck/p5.c -@@ -12,6 +12,7 @@ - #include <asm/tlbflush.h> - #include <asm/mce.h> - #include <asm/msr.h> -+#include <asm/pgtable.h> - - /* By default disabled */ - int mce_p5_enabled __read_mostly; -@@ -55,7 +56,9 @@ void intel_p5_mcheck_init(struct cpuinfo_x86 *c) - if (!cpu_has(c, X86_FEATURE_MCE)) - return; - -+ pax_open_kernel(); - machine_check_vector = pentium_machine_check; -+ pax_close_kernel(); - /* Make sure the vector pointer is visible before we enable MCEs: */ - wmb(); - -diff --git a/arch/x86/kernel/cpu/mcheck/winchip.c b/arch/x86/kernel/cpu/mcheck/winchip.c -index 44f1382..315b292 100644 ---- a/arch/x86/kernel/cpu/mcheck/winchip.c -+++ b/arch/x86/kernel/cpu/mcheck/winchip.c -@@ -11,6 +11,7 @@ - #include <asm/tlbflush.h> - #include <asm/mce.h> - #include <asm/msr.h> -+#include <asm/pgtable.h> - - /* Machine check handler for WinChip C6: */ - static void winchip_machine_check(struct pt_regs *regs, long error_code) -@@ -28,7 +29,9 @@ void winchip_mcheck_init(struct cpuinfo_x86 *c) - { - u32 lo, hi; - -+ pax_open_kernel(); - machine_check_vector = winchip_machine_check; -+ pax_close_kernel(); - /* Make sure the vector pointer is visible before we enable MCEs: */ - wmb(); - -diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c -index 36a8361..e7058c2 100644 ---- a/arch/x86/kernel/cpu/microcode/core.c -+++ b/arch/x86/kernel/cpu/microcode/core.c -@@ -518,7 +518,7 @@ mc_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu) - return NOTIFY_OK; - } - --static struct notifier_block __refdata mc_cpu_notifier = { -+static struct notifier_block mc_cpu_notifier = { - .notifier_call = mc_cpu_callback, - }; - -diff --git a/arch/x86/kernel/cpu/microcode/intel.c b/arch/x86/kernel/cpu/microcode/intel.c -index a41bead..4e3685b 100644 ---- a/arch/x86/kernel/cpu/microcode/intel.c -+++ b/arch/x86/kernel/cpu/microcode/intel.c -@@ -298,13 +298,13 @@ static enum ucode_state request_microcode_fw(int cpu, struct device *device, - - static int get_ucode_user(void *to, const void *from, size_t n) - { -- return copy_from_user(to, from, n); -+ return copy_from_user(to, (const void __force_user *)from, n); - } - - static enum ucode_state - request_microcode_user(int cpu, const void __user *buf, size_t size) - { -- return generic_load_microcode(cpu, (void *)buf, size, &get_ucode_user); -+ return generic_load_microcode(cpu, (__force_kernel void *)buf, size, &get_ucode_user); - } - - static void microcode_fini_cpu(int cpu) -diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c -index ea5f363..cb0e905 100644 ---- a/arch/x86/kernel/cpu/mtrr/main.c -+++ b/arch/x86/kernel/cpu/mtrr/main.c -@@ -66,7 +66,7 @@ static DEFINE_MUTEX(mtrr_mutex); - u64 size_or_mask, size_and_mask; - static bool mtrr_aps_delayed_init; - --static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM]; -+static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM] __read_only; - - const struct mtrr_ops *mtrr_if; - -diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.h b/arch/x86/kernel/cpu/mtrr/mtrr.h -index df5e41f..816c719 100644 ---- a/arch/x86/kernel/cpu/mtrr/mtrr.h -+++ b/arch/x86/kernel/cpu/mtrr/mtrr.h -@@ -25,7 +25,7 @@ struct mtrr_ops { - int (*validate_add_page)(unsigned long base, unsigned long size, - unsigned int type); - int (*have_wrcomb)(void); --}; -+} __do_const; - - extern int generic_get_free_region(unsigned long base, unsigned long size, - int replace_reg); -diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c -index aa4e3a7..469370f 100644 ---- a/arch/x86/kernel/cpu/perf_event.c -+++ b/arch/x86/kernel/cpu/perf_event.c -@@ -1509,7 +1509,7 @@ static void __init pmu_check_apic(void) - - } - --static struct attribute_group x86_pmu_format_group = { -+static attribute_group_no_const x86_pmu_format_group = { - .name = "format", - .attrs = NULL, - }; -@@ -1608,7 +1608,7 @@ static struct attribute *events_attr[] = { - NULL, - }; - --static struct attribute_group x86_pmu_events_group = { -+static attribute_group_no_const x86_pmu_events_group = { - .name = "events", - .attrs = events_attr, - }; -@@ -2181,7 +2181,7 @@ static unsigned long get_segment_base(unsigned int segment) - if (idx > GDT_ENTRIES) - return 0; - -- desc = raw_cpu_ptr(gdt_page.gdt); -+ desc = get_cpu_gdt_table(smp_processor_id()); - } - - return get_desc_base(desc + idx); -@@ -2271,7 +2271,7 @@ perf_callchain_user(struct perf_callchain_entry *entry, struct pt_regs *regs) - break; - - perf_callchain_store(entry, frame.return_address); -- fp = frame.next_frame; -+ fp = (const void __force_user *)frame.next_frame; - } - } - -diff --git a/arch/x86/kernel/cpu/perf_event_amd_iommu.c b/arch/x86/kernel/cpu/perf_event_amd_iommu.c -index 97242a9..cf9c30e 100644 ---- a/arch/x86/kernel/cpu/perf_event_amd_iommu.c -+++ b/arch/x86/kernel/cpu/perf_event_amd_iommu.c -@@ -402,7 +402,7 @@ static void perf_iommu_del(struct perf_event *event, int flags) - static __init int _init_events_attrs(struct perf_amd_iommu *perf_iommu) - { - struct attribute **attrs; -- struct attribute_group *attr_group; -+ attribute_group_no_const *attr_group; - int i = 0, j; - - while (amd_iommu_v2_event_descs[i].attr.attr.name) -diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c -index 2813ea0..3ef5969c8 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel.c -+++ b/arch/x86/kernel/cpu/perf_event_intel.c -@@ -3033,10 +3033,10 @@ __init int intel_pmu_init(void) - x86_pmu.num_counters_fixed = max((int)edx.split.num_counters_fixed, 3); - - if (boot_cpu_has(X86_FEATURE_PDCM)) { -- u64 capabilities; -+ u64 capabilities = x86_pmu.intel_cap.capabilities; - -- rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities); -- x86_pmu.intel_cap.capabilities = capabilities; -+ if (rdmsrl_safe(MSR_IA32_PERF_CAPABILITIES, &x86_pmu.intel_cap.capabilities)) -+ x86_pmu.intel_cap.capabilities = capabilities; - } - - intel_ds_init(); -diff --git a/arch/x86/kernel/cpu/perf_event_intel_bts.c b/arch/x86/kernel/cpu/perf_event_intel_bts.c -index 7795f3f..3535b76 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_bts.c -+++ b/arch/x86/kernel/cpu/perf_event_intel_bts.c -@@ -252,7 +252,7 @@ static void bts_event_start(struct perf_event *event, int flags) - __bts_event_start(event); - - /* PMI handler: this counter is running and likely generating PMIs */ -- ACCESS_ONCE(bts->started) = 1; -+ ACCESS_ONCE_RW(bts->started) = 1; - } - - static void __bts_event_stop(struct perf_event *event) -@@ -266,7 +266,7 @@ static void __bts_event_stop(struct perf_event *event) - if (event->hw.state & PERF_HES_STOPPED) - return; - -- ACCESS_ONCE(event->hw.state) |= PERF_HES_STOPPED; -+ ACCESS_ONCE_RW(event->hw.state) |= PERF_HES_STOPPED; - } - - static void bts_event_stop(struct perf_event *event, int flags) -@@ -274,7 +274,7 @@ static void bts_event_stop(struct perf_event *event, int flags) - struct bts_ctx *bts = this_cpu_ptr(&bts_ctx); - - /* PMI handler: don't restart this counter */ -- ACCESS_ONCE(bts->started) = 0; -+ ACCESS_ONCE_RW(bts->started) = 0; - - __bts_event_stop(event); - -diff --git a/arch/x86/kernel/cpu/perf_event_intel_cqm.c b/arch/x86/kernel/cpu/perf_event_intel_cqm.c -index cb77b11..8867302 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_cqm.c -+++ b/arch/x86/kernel/cpu/perf_event_intel_cqm.c -@@ -1360,7 +1360,9 @@ static int __init intel_cqm_init(void) - goto out; - } - -- event_attr_intel_cqm_llc_scale.event_str = str; -+ pax_open_kernel(); -+ *(const char **)&event_attr_intel_cqm_llc_scale.event_str = str; -+ pax_close_kernel(); - - ret = intel_cqm_setup_rmid_cache(); - if (ret) -diff --git a/arch/x86/kernel/cpu/perf_event_intel_pt.c b/arch/x86/kernel/cpu/perf_event_intel_pt.c -index 123ff1b..d53e500 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_pt.c -+++ b/arch/x86/kernel/cpu/perf_event_intel_pt.c -@@ -116,16 +116,12 @@ static const struct attribute_group *pt_attr_groups[] = { - - static int __init pt_pmu_hw_init(void) - { -- struct dev_ext_attribute *de_attrs; -- struct attribute **attrs; -- size_t size; -- int ret; -+ static struct dev_ext_attribute de_attrs[ARRAY_SIZE(pt_caps)]; -+ static struct attribute *attrs[ARRAY_SIZE(pt_caps)]; - long i; - -- attrs = NULL; -- ret = -ENODEV; - if (!test_cpu_cap(&boot_cpu_data, X86_FEATURE_INTEL_PT)) -- goto fail; -+ return -ENODEV; - - for (i = 0; i < PT_CPUID_LEAVES; i++) { - cpuid_count(20, i, -@@ -135,39 +131,25 @@ static int __init pt_pmu_hw_init(void) - &pt_pmu.caps[CR_EDX + i*4]); - } - -- ret = -ENOMEM; -- size = sizeof(struct attribute *) * (ARRAY_SIZE(pt_caps)+1); -- attrs = kzalloc(size, GFP_KERNEL); -- if (!attrs) -- goto fail; -- -- size = sizeof(struct dev_ext_attribute) * (ARRAY_SIZE(pt_caps)+1); -- de_attrs = kzalloc(size, GFP_KERNEL); -- if (!de_attrs) -- goto fail; -- -+ pax_open_kernel(); - for (i = 0; i < ARRAY_SIZE(pt_caps); i++) { -- struct dev_ext_attribute *de_attr = de_attrs + i; -+ struct dev_ext_attribute *de_attr = &de_attrs[i]; - -- de_attr->attr.attr.name = pt_caps[i].name; -+ *(const char **)&de_attr->attr.attr.name = pt_caps[i].name; - - sysfs_attr_init(&de_attr->attr.attr); - -- de_attr->attr.attr.mode = S_IRUGO; -- de_attr->attr.show = pt_cap_show; -- de_attr->var = (void *)i; -+ *(umode_t *)&de_attr->attr.attr.mode = S_IRUGO; -+ *(void **)&de_attr->attr.show = pt_cap_show; -+ *(void **)&de_attr->var = (void *)i; - - attrs[i] = &de_attr->attr.attr; - } - -- pt_cap_group.attrs = attrs; -+ *(struct attribute ***)&pt_cap_group.attrs = attrs; -+ pax_close_kernel(); - - return 0; -- --fail: -- kfree(attrs); -- -- return ret; - } - - #define PT_CONFIG_MASK (RTIT_CTL_TSC_EN | RTIT_CTL_DISRETC) -@@ -928,7 +910,7 @@ static void pt_event_start(struct perf_event *event, int mode) - return; - } - -- ACCESS_ONCE(pt->handle_nmi) = 1; -+ ACCESS_ONCE_RW(pt->handle_nmi) = 1; - event->hw.state = 0; - - pt_config_buffer(buf->cur->table, buf->cur_idx, -@@ -945,7 +927,7 @@ static void pt_event_stop(struct perf_event *event, int mode) - * Protect against the PMI racing with disabling wrmsr, - * see comment in intel_pt_interrupt(). - */ -- ACCESS_ONCE(pt->handle_nmi) = 0; -+ ACCESS_ONCE_RW(pt->handle_nmi) = 0; - pt_config_start(false); - - if (event->hw.state == PERF_HES_STOPPED) -diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c -index 358c54a..f068235 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c -+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c -@@ -487,7 +487,7 @@ static struct attribute *rapl_events_hsw_attr[] = { - NULL, - }; - --static struct attribute_group rapl_pmu_events_group = { -+static attribute_group_no_const rapl_pmu_events_group __read_only = { - .name = "events", - .attrs = NULL, /* patched at runtime */ - }; -diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c -index 90b7c50..7863ae3 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c -+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c -@@ -732,7 +732,7 @@ static void __init uncore_types_exit(struct intel_uncore_type **types) - static int __init uncore_type_init(struct intel_uncore_type *type) - { - struct intel_uncore_pmu *pmus; -- struct attribute_group *attr_group; -+ attribute_group_no_const *attr_group; - struct attribute **attrs; - int i, j; - -diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.h b/arch/x86/kernel/cpu/perf_event_intel_uncore.h -index ceac8f5..a562de7 100644 ---- a/arch/x86/kernel/cpu/perf_event_intel_uncore.h -+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.h -@@ -115,7 +115,7 @@ struct intel_uncore_box { - struct uncore_event_desc { - struct kobj_attribute attr; - const char *config; --}; -+} __do_const; - - ssize_t uncore_event_show(struct kobject *kobj, - struct kobj_attribute *attr, char *buf); -diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c -index 83741a7..bd3507d 100644 ---- a/arch/x86/kernel/cpuid.c -+++ b/arch/x86/kernel/cpuid.c -@@ -170,7 +170,7 @@ static int cpuid_class_cpu_callback(struct notifier_block *nfb, - return notifier_from_errno(err); - } - --static struct notifier_block __refdata cpuid_class_cpu_notifier = -+static struct notifier_block cpuid_class_cpu_notifier = - { - .notifier_call = cpuid_class_cpu_callback, - }; -diff --git a/arch/x86/kernel/crash_dump_64.c b/arch/x86/kernel/crash_dump_64.c -index afa64ad..dce67dd 100644 ---- a/arch/x86/kernel/crash_dump_64.c -+++ b/arch/x86/kernel/crash_dump_64.c -@@ -36,7 +36,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf, - return -ENOMEM; - - if (userbuf) { -- if (copy_to_user(buf, vaddr + offset, csize)) { -+ if (copy_to_user((char __force_user *)buf, vaddr + offset, csize)) { - iounmap(vaddr); - return -EFAULT; - } -diff --git a/arch/x86/kernel/doublefault.c b/arch/x86/kernel/doublefault.c -index f6dfd93..892ade4 100644 ---- a/arch/x86/kernel/doublefault.c -+++ b/arch/x86/kernel/doublefault.c -@@ -12,7 +12,7 @@ - - #define DOUBLEFAULT_STACKSIZE (1024) - static unsigned long doublefault_stack[DOUBLEFAULT_STACKSIZE]; --#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE) -+#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE-2) - - #define ptr_ok(x) ((x) > PAGE_OFFSET && (x) < PAGE_OFFSET + MAXMEM) - -@@ -22,7 +22,7 @@ static void doublefault_fn(void) - unsigned long gdt, tss; - - native_store_gdt(&gdt_desc); -- gdt = gdt_desc.address; -+ gdt = (unsigned long)gdt_desc.address; - - printk(KERN_EMERG "PANIC: double fault, gdt at %08lx [%d bytes]\n", gdt, gdt_desc.size); - -@@ -59,10 +59,10 @@ struct tss_struct doublefault_tss __cacheline_aligned = { - /* 0x2 bit is always set */ - .flags = X86_EFLAGS_SF | 0x2, - .sp = STACK_START, -- .es = __USER_DS, -+ .es = __KERNEL_DS, - .cs = __KERNEL_CS, - .ss = __KERNEL_DS, -- .ds = __USER_DS, -+ .ds = __KERNEL_DS, - .fs = __KERNEL_PERCPU, - - .__cr3 = __pa_nodebug(swapper_pg_dir), -diff --git a/arch/x86/kernel/dumpstack.c b/arch/x86/kernel/dumpstack.c -index 9c30acf..8cf2411 100644 ---- a/arch/x86/kernel/dumpstack.c -+++ b/arch/x86/kernel/dumpstack.c -@@ -2,6 +2,9 @@ - * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs - */ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+#define __INCLUDED_BY_HIDESYM 1 -+#endif - #include <linux/kallsyms.h> - #include <linux/kprobes.h> - #include <linux/uaccess.h> -@@ -35,23 +38,21 @@ static void printk_stack_address(unsigned long address, int reliable, - - void printk_address(unsigned long address) - { -- pr_cont(" [<%p>] %pS\n", (void *)address, (void *)address); -+ pr_cont(" [<%p>] %pA\n", (void *)address, (void *)address); - } - - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - static void - print_ftrace_graph_addr(unsigned long addr, void *data, - const struct stacktrace_ops *ops, -- struct thread_info *tinfo, int *graph) -+ struct task_struct *task, int *graph) - { -- struct task_struct *task; - unsigned long ret_addr; - int index; - - if (addr != (unsigned long)return_to_handler) - return; - -- task = tinfo->task; - index = task->curr_ret_stack; - - if (!task->ret_stack || index < *graph) -@@ -68,7 +69,7 @@ print_ftrace_graph_addr(unsigned long addr, void *data, - static inline void - print_ftrace_graph_addr(unsigned long addr, void *data, - const struct stacktrace_ops *ops, -- struct thread_info *tinfo, int *graph) -+ struct task_struct *task, int *graph) - { } - #endif - -@@ -79,10 +80,8 @@ print_ftrace_graph_addr(unsigned long addr, void *data, - * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack - */ - --static inline int valid_stack_ptr(struct thread_info *tinfo, -- void *p, unsigned int size, void *end) -+static inline int valid_stack_ptr(void *t, void *p, unsigned int size, void *end) - { -- void *t = tinfo; - if (end) { - if (p < end && p >= (end-THREAD_SIZE)) - return 1; -@@ -93,14 +92,14 @@ static inline int valid_stack_ptr(struct thread_info *tinfo, - } - - unsigned long --print_context_stack(struct thread_info *tinfo, -+print_context_stack(struct task_struct *task, void *stack_start, - unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data, - unsigned long *end, int *graph) - { - struct stack_frame *frame = (struct stack_frame *)bp; - -- while (valid_stack_ptr(tinfo, stack, sizeof(*stack), end)) { -+ while (valid_stack_ptr(stack_start, stack, sizeof(*stack), end)) { - unsigned long addr; - - addr = *stack; -@@ -112,7 +111,7 @@ print_context_stack(struct thread_info *tinfo, - } else { - ops->address(data, addr, 0); - } -- print_ftrace_graph_addr(addr, data, ops, tinfo, graph); -+ print_ftrace_graph_addr(addr, data, ops, task, graph); - } - stack++; - } -@@ -121,7 +120,7 @@ print_context_stack(struct thread_info *tinfo, - EXPORT_SYMBOL_GPL(print_context_stack); - - unsigned long --print_context_stack_bp(struct thread_info *tinfo, -+print_context_stack_bp(struct task_struct *task, void *stack_start, - unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data, - unsigned long *end, int *graph) -@@ -129,7 +128,7 @@ print_context_stack_bp(struct thread_info *tinfo, - struct stack_frame *frame = (struct stack_frame *)bp; - unsigned long *ret_addr = &frame->return_address; - -- while (valid_stack_ptr(tinfo, ret_addr, sizeof(*ret_addr), end)) { -+ while (valid_stack_ptr(stack_start, ret_addr, sizeof(*ret_addr), end)) { - unsigned long addr = *ret_addr; - - if (!__kernel_text_address(addr)) -@@ -138,7 +137,7 @@ print_context_stack_bp(struct thread_info *tinfo, - ops->address(data, addr, 1); - frame = frame->next_frame; - ret_addr = &frame->return_address; -- print_ftrace_graph_addr(addr, data, ops, tinfo, graph); -+ print_ftrace_graph_addr(addr, data, ops, task, graph); - } - - return (unsigned long)frame; -@@ -226,6 +225,8 @@ unsigned long oops_begin(void) - EXPORT_SYMBOL_GPL(oops_begin); - NOKPROBE_SYMBOL(oops_begin); - -+extern void gr_handle_kernel_exploit(void); -+ - void oops_end(unsigned long flags, struct pt_regs *regs, int signr) - { - if (regs && kexec_should_crash(current)) -@@ -247,7 +248,10 @@ void oops_end(unsigned long flags, struct pt_regs *regs, int signr) - panic("Fatal exception in interrupt"); - if (panic_on_oops) - panic("Fatal exception"); -- do_exit(signr); -+ -+ gr_handle_kernel_exploit(); -+ -+ do_group_exit(signr); - } - NOKPROBE_SYMBOL(oops_end); - -diff --git a/arch/x86/kernel/dumpstack_32.c b/arch/x86/kernel/dumpstack_32.c -index 464ffd6..01f2cda 100644 ---- a/arch/x86/kernel/dumpstack_32.c -+++ b/arch/x86/kernel/dumpstack_32.c -@@ -61,15 +61,14 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - bp = stack_frame(task, regs); - - for (;;) { -- struct thread_info *context; -+ void *stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1)); - void *end_stack; - - end_stack = is_hardirq_stack(stack, cpu); - if (!end_stack) - end_stack = is_softirq_stack(stack, cpu); - -- context = task_thread_info(task); -- bp = ops->walk_stack(context, stack, bp, ops, data, -+ bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, - end_stack, &graph); - - /* Stop if not on irq stack */ -@@ -137,16 +136,17 @@ void show_regs(struct pt_regs *regs) - unsigned int code_len = code_bytes; - unsigned char c; - u8 *ip; -+ unsigned long cs_base = get_desc_base(&get_cpu_gdt_table(0)[(0xffff & regs->cs) >> 3]); - - pr_emerg("Stack:\n"); - show_stack_log_lvl(NULL, regs, &regs->sp, 0, KERN_EMERG); - - pr_emerg("Code:"); - -- ip = (u8 *)regs->ip - code_prologue; -+ ip = (u8 *)regs->ip - code_prologue + cs_base; - if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { - /* try starting at IP */ -- ip = (u8 *)regs->ip; -+ ip = (u8 *)regs->ip + cs_base; - code_len = code_len - code_prologue + 1; - } - for (i = 0; i < code_len; i++, ip++) { -@@ -155,7 +155,7 @@ void show_regs(struct pt_regs *regs) - pr_cont(" Bad EIP value."); - break; - } -- if (ip == (u8 *)regs->ip) -+ if (ip == (u8 *)regs->ip + cs_base) - pr_cont(" <%02x>", c); - else - pr_cont(" %02x", c); -@@ -168,6 +168,7 @@ int is_valid_bugaddr(unsigned long ip) - { - unsigned short ud2; - -+ ip = ktla_ktva(ip); - if (ip < PAGE_OFFSET) - return 0; - if (probe_kernel_address((unsigned short *)ip, ud2)) -@@ -175,3 +176,15 @@ int is_valid_bugaddr(unsigned long ip) - - return ud2 == 0x0b0f; - } -+ -+#if defined(CONFIG_PAX_MEMORY_STACKLEAK) || defined(CONFIG_PAX_USERCOPY) -+void __used pax_check_alloca(unsigned long size) -+{ -+ unsigned long sp = (unsigned long)&sp, stack_left; -+ -+ /* all kernel stacks are of the same size */ -+ stack_left = sp & (THREAD_SIZE - 1); -+ BUG_ON(stack_left < 256 || size >= stack_left - 256); -+} -+EXPORT_SYMBOL(pax_check_alloca); -+#endif -diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c -index 5f1c626..1cba97e 100644 ---- a/arch/x86/kernel/dumpstack_64.c -+++ b/arch/x86/kernel/dumpstack_64.c -@@ -153,12 +153,12 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - const struct stacktrace_ops *ops, void *data) - { - const unsigned cpu = get_cpu(); -- struct thread_info *tinfo; - unsigned long *irq_stack = (unsigned long *)per_cpu(irq_stack_ptr, cpu); - unsigned long dummy; - unsigned used = 0; - int graph = 0; - int done = 0; -+ void *stack_start; - - if (!task) - task = current; -@@ -179,7 +179,6 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - * current stack address. If the stacks consist of nested - * exceptions - */ -- tinfo = task_thread_info(task); - while (!done) { - unsigned long *stack_end; - enum stack_type stype; -@@ -202,7 +201,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - if (ops->stack(data, id) < 0) - break; - -- bp = ops->walk_stack(tinfo, stack, bp, ops, -+ bp = ops->walk_stack(task, stack_end - EXCEPTION_STKSZ, stack, bp, ops, - data, stack_end, &graph); - ops->stack(data, "<EOE>"); - /* -@@ -210,6 +209,8 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - * second-to-last pointer (index -2 to end) in the - * exception stack: - */ -+ if ((u16)stack_end[-1] != __KERNEL_DS) -+ goto out; - stack = (unsigned long *) stack_end[-2]; - done = 0; - break; -@@ -218,7 +219,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - - if (ops->stack(data, "IRQ") < 0) - break; -- bp = ops->walk_stack(tinfo, stack, bp, -+ bp = ops->walk_stack(task, irq_stack, stack, bp, - ops, data, stack_end, &graph); - /* - * We link to the next stack (which would be -@@ -240,7 +241,9 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, - /* - * This handles the process stack: - */ -- bp = ops->walk_stack(tinfo, stack, bp, ops, data, NULL, &graph); -+ stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1)); -+ bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, NULL, &graph); -+out: - put_cpu(); - } - EXPORT_SYMBOL(dump_trace); -@@ -347,8 +350,55 @@ int is_valid_bugaddr(unsigned long ip) - { - unsigned short ud2; - -- if (__copy_from_user(&ud2, (const void __user *) ip, sizeof(ud2))) -+ if (probe_kernel_address((unsigned short *)ip, ud2)) - return 0; - - return ud2 == 0x0b0f; - } -+ -+#if defined(CONFIG_PAX_MEMORY_STACKLEAK) || defined(CONFIG_PAX_USERCOPY) -+void __used pax_check_alloca(unsigned long size) -+{ -+ unsigned long sp = (unsigned long)&sp, stack_start, stack_end; -+ unsigned cpu, used; -+ char *id; -+ -+ /* check the process stack first */ -+ stack_start = (unsigned long)task_stack_page(current); -+ stack_end = stack_start + THREAD_SIZE; -+ if (likely(stack_start <= sp && sp < stack_end)) { -+ unsigned long stack_left = sp & (THREAD_SIZE - 1); -+ BUG_ON(stack_left < 256 || size >= stack_left - 256); -+ return; -+ } -+ -+ cpu = get_cpu(); -+ -+ /* check the irq stacks */ -+ stack_end = (unsigned long)per_cpu(irq_stack_ptr, cpu); -+ stack_start = stack_end - IRQ_STACK_SIZE; -+ if (stack_start <= sp && sp < stack_end) { -+ unsigned long stack_left = sp & (IRQ_STACK_SIZE - 1); -+ put_cpu(); -+ BUG_ON(stack_left < 256 || size >= stack_left - 256); -+ return; -+ } -+ -+ /* check the exception stacks */ -+ used = 0; -+ stack_end = (unsigned long)in_exception_stack(cpu, sp, &used, &id); -+ stack_start = stack_end - EXCEPTION_STKSZ; -+ if (stack_end && stack_start <= sp && sp < stack_end) { -+ unsigned long stack_left = sp & (EXCEPTION_STKSZ - 1); -+ put_cpu(); -+ BUG_ON(stack_left < 256 || size >= stack_left - 256); -+ return; -+ } -+ -+ put_cpu(); -+ -+ /* unknown stack */ -+ BUG(); -+} -+EXPORT_SYMBOL(pax_check_alloca); -+#endif -diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c -index e2ce85d..00ccad0 100644 ---- a/arch/x86/kernel/e820.c -+++ b/arch/x86/kernel/e820.c -@@ -802,8 +802,8 @@ unsigned long __init e820_end_of_low_ram_pfn(void) - - static void early_panic(char *msg) - { -- early_printk(msg); -- panic(msg); -+ early_printk("%s", msg); -+ panic("%s", msg); - } - - static int userdef __initdata; -diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c -index 89427d8..00c0d52 100644 ---- a/arch/x86/kernel/early_printk.c -+++ b/arch/x86/kernel/early_printk.c -@@ -7,6 +7,7 @@ - #include <linux/pci_regs.h> - #include <linux/pci_ids.h> - #include <linux/errno.h> -+#include <linux/sched.h> - #include <asm/io.h> - #include <asm/processor.h> - #include <asm/fcntl.h> -diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S -index 1c30976..71b41b9 100644 ---- a/arch/x86/kernel/entry_32.S -+++ b/arch/x86/kernel/entry_32.S -@@ -177,13 +177,154 @@ - /*CFI_REL_OFFSET gs, PT_GS*/ - .endm - .macro SET_KERNEL_GS reg -+ -+#ifdef CONFIG_CC_STACKPROTECTOR - movl $(__KERNEL_STACK_CANARY), \reg -+#elif defined(CONFIG_PAX_MEMORY_UDEREF) -+ movl $(__USER_DS), \reg -+#else -+ xorl \reg, \reg -+#endif -+ - movl \reg, %gs - .endm - - #endif /* CONFIG_X86_32_LAZY_GS */ - --.macro SAVE_ALL -+.macro pax_enter_kernel -+#ifdef CONFIG_PAX_KERNEXEC -+ call pax_enter_kernel -+#endif -+.endm -+ -+.macro pax_exit_kernel -+#ifdef CONFIG_PAX_KERNEXEC -+ call pax_exit_kernel -+#endif -+.endm -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ENTRY(pax_enter_kernel) -+#ifdef CONFIG_PARAVIRT -+ pushl %eax -+ pushl %ecx -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0) -+ mov %eax, %esi -+#else -+ mov %cr0, %esi -+#endif -+ bts $X86_CR0_WP_BIT, %esi -+ jnc 1f -+ mov %cs, %esi -+ cmp $__KERNEL_CS, %esi -+ jz 3f -+ ljmp $__KERNEL_CS, $3f -+1: ljmp $__KERNEXEC_KERNEL_CS, $2f -+2: -+#ifdef CONFIG_PARAVIRT -+ mov %esi, %eax -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0) -+#else -+ mov %esi, %cr0 -+#endif -+3: -+#ifdef CONFIG_PARAVIRT -+ popl %ecx -+ popl %eax -+#endif -+ ret -+ENDPROC(pax_enter_kernel) -+ -+ENTRY(pax_exit_kernel) -+#ifdef CONFIG_PARAVIRT -+ pushl %eax -+ pushl %ecx -+#endif -+ mov %cs, %esi -+ cmp $__KERNEXEC_KERNEL_CS, %esi -+ jnz 2f -+#ifdef CONFIG_PARAVIRT -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0); -+ mov %eax, %esi -+#else -+ mov %cr0, %esi -+#endif -+ btr $X86_CR0_WP_BIT, %esi -+ ljmp $__KERNEL_CS, $1f -+1: -+#ifdef CONFIG_PARAVIRT -+ mov %esi, %eax -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0); -+#else -+ mov %esi, %cr0 -+#endif -+2: -+#ifdef CONFIG_PARAVIRT -+ popl %ecx -+ popl %eax -+#endif -+ ret -+ENDPROC(pax_exit_kernel) -+#endif -+ -+ .macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ call pax_erase_kstack -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+/* -+ * ebp: thread_info -+ */ -+ENTRY(pax_erase_kstack) -+ pushl %edi -+ pushl %ecx -+ pushl %eax -+ -+ mov TI_lowest_stack(%ebp), %edi -+ mov $-0xBEEF, %eax -+ std -+ -+1: mov %edi, %ecx -+ and $THREAD_SIZE_asm - 1, %ecx -+ shr $2, %ecx -+ repne scasl -+ jecxz 2f -+ -+ cmp $2*16, %ecx -+ jc 2f -+ -+ mov $2*16, %ecx -+ repe scasl -+ jecxz 2f -+ jne 1b -+ -+2: cld -+ or $2*4, %edi -+ mov %esp, %ecx -+ sub %edi, %ecx -+ -+ cmp $THREAD_SIZE_asm, %ecx -+ jb 3f -+ ud2 -+3: -+ -+ shr $2, %ecx -+ rep stosl -+ -+ mov TI_task_thread_sp0(%ebp), %edi -+ sub $128, %edi -+ mov %edi, TI_lowest_stack(%ebp) -+ -+ popl %eax -+ popl %ecx -+ popl %edi -+ ret -+ENDPROC(pax_erase_kstack) -+#endif -+ -+.macro __SAVE_ALL _DS - cld - PUSH_GS - pushl_cfi %fs -@@ -206,7 +347,7 @@ - CFI_REL_OFFSET ecx, 0 - pushl_cfi %ebx - CFI_REL_OFFSET ebx, 0 -- movl $(__USER_DS), %edx -+ movl $_DS, %edx - movl %edx, %ds - movl %edx, %es - movl $(__KERNEL_PERCPU), %edx -@@ -214,6 +355,15 @@ - SET_KERNEL_GS %edx - .endm - -+.macro SAVE_ALL -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ __SAVE_ALL __KERNEL_DS -+ pax_enter_kernel -+#else -+ __SAVE_ALL __USER_DS -+#endif -+.endm -+ - .macro RESTORE_INT_REGS - popl_cfi %ebx - CFI_RESTORE ebx -@@ -297,7 +447,7 @@ ENTRY(ret_from_fork) - popfl_cfi - jmp syscall_exit - CFI_ENDPROC --END(ret_from_fork) -+ENDPROC(ret_from_fork) - - ENTRY(ret_from_kernel_thread) - CFI_STARTPROC -@@ -340,7 +490,15 @@ ret_from_intr: - andl $SEGMENT_RPL_MASK, %eax - #endif - cmpl $USER_RPL, %eax -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ jae resume_userspace -+ -+ pax_exit_kernel -+ jmp resume_kernel -+#else - jb resume_kernel # not returning to v8086 or userspace -+#endif - - ENTRY(resume_userspace) - LOCKDEP_SYS_EXIT -@@ -352,8 +510,8 @@ ENTRY(resume_userspace) - andl $_TIF_WORK_MASK, %ecx # is there any work to be done on - # int/exception return? - jne work_pending -- jmp restore_all --END(ret_from_exception) -+ jmp restore_all_pax -+ENDPROC(ret_from_exception) - - #ifdef CONFIG_PREEMPT - ENTRY(resume_kernel) -@@ -365,7 +523,7 @@ need_resched: - jz restore_all - call preempt_schedule_irq - jmp need_resched --END(resume_kernel) -+ENDPROC(resume_kernel) - #endif - CFI_ENDPROC - -@@ -395,33 +553,45 @@ sysenter_past_esp: - /*CFI_REL_OFFSET cs, 0*/ - /* - * Push current_thread_info()->sysenter_return to the stack. -- * A tiny bit of offset fixup is necessary: TI_sysenter_return -- * is relative to thread_info, which is at the bottom of the -- * kernel stack page. 4*4 means the 4 words pushed above; -- * TOP_OF_KERNEL_STACK_PADDING takes us to the top of the stack; -- * and THREAD_SIZE takes us to the bottom. - */ -- pushl_cfi ((TI_sysenter_return) - THREAD_SIZE + TOP_OF_KERNEL_STACK_PADDING + 4*4)(%esp) -+ pushl_cfi $0 - CFI_REL_OFFSET eip, 0 - - pushl_cfi %eax - SAVE_ALL -+ GET_THREAD_INFO(%ebp) -+ movl TI_sysenter_return(%ebp),%ebp -+ movl %ebp,PT_EIP(%esp) - ENABLE_INTERRUPTS(CLBR_NONE) - - /* - * Load the potential sixth argument from user stack. - * Careful about security. - */ -+ movl PT_OLDESP(%esp),%ebp -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov PT_OLDSS(%esp),%ds -+1: movl %ds:(%ebp),%ebp -+ push %ss -+ pop %ds -+#else - cmpl $__PAGE_OFFSET-3,%ebp - jae syscall_fault - ASM_STAC - 1: movl (%ebp),%ebp - ASM_CLAC -+#endif -+ - movl %ebp,PT_EBP(%esp) - _ASM_EXTABLE(1b,syscall_fault) - - GET_THREAD_INFO(%ebp) - -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ - testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%ebp) - jnz sysenter_audit - sysenter_do_call: -@@ -437,12 +607,24 @@ sysenter_after_call: - testl $_TIF_ALLWORK_MASK, %ecx - jnz sysexit_audit - sysenter_exit: -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pushl_cfi %eax -+ movl %esp, %eax -+ call pax_randomize_kstack -+ popl_cfi %eax -+#endif -+ -+ pax_erase_kstack -+ - /* if something modifies registers it must also disable sysexit */ - movl PT_EIP(%esp), %edx - movl PT_OLDESP(%esp), %ecx - xorl %ebp,%ebp - TRACE_IRQS_ON - 1: mov PT_FS(%esp), %fs -+2: mov PT_DS(%esp), %ds -+3: mov PT_ES(%esp), %es - PTGS_TO_GS - ENABLE_INTERRUPTS_SYSEXIT - -@@ -456,6 +638,9 @@ sysenter_audit: - pushl_cfi PT_ESI(%esp) /* a3: 5th arg */ - pushl_cfi PT_EDX+4(%esp) /* a2: 4th arg */ - call __audit_syscall_entry -+ -+ pax_erase_kstack -+ - popl_cfi %ecx /* get that remapped edx off the stack */ - popl_cfi %ecx /* get that remapped esi off the stack */ - movl PT_EAX(%esp),%eax /* reload syscall number */ -@@ -482,10 +667,16 @@ sysexit_audit: - - CFI_ENDPROC - .pushsection .fixup,"ax" --2: movl $0,PT_FS(%esp) -+4: movl $0,PT_FS(%esp) -+ jmp 1b -+5: movl $0,PT_DS(%esp) -+ jmp 1b -+6: movl $0,PT_ES(%esp) - jmp 1b - .popsection -- _ASM_EXTABLE(1b,2b) -+ _ASM_EXTABLE(1b,4b) -+ _ASM_EXTABLE(2b,5b) -+ _ASM_EXTABLE(3b,6b) - PTGS_TO_GS_EX - ENDPROC(ia32_sysenter_target) - -@@ -496,6 +687,11 @@ ENTRY(system_call) - pushl_cfi %eax # save orig_eax - SAVE_ALL - GET_THREAD_INFO(%ebp) -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ - # system call tracing in operation / emulation - testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%ebp) - jnz syscall_trace_entry -@@ -515,6 +711,15 @@ syscall_exit: - testl $_TIF_ALLWORK_MASK, %ecx # current->work - jnz syscall_exit_work - -+restore_all_pax: -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ movl %esp, %eax -+ call pax_randomize_kstack -+#endif -+ -+ pax_erase_kstack -+ - restore_all: - TRACE_IRQS_IRET - restore_all_notrace: -@@ -569,14 +774,34 @@ ldt_ss: - * compensating for the offset by changing to the ESPFIX segment with - * a base address that matches for the difference. - */ --#define GDT_ESPFIX_SS PER_CPU_VAR(gdt_page) + (GDT_ENTRY_ESPFIX_SS * 8) -+#define GDT_ESPFIX_SS (GDT_ENTRY_ESPFIX_SS * 8)(%ebx) - mov %esp, %edx /* load kernel esp */ - mov PT_OLDESP(%esp), %eax /* load userspace esp */ - mov %dx, %ax /* eax: new kernel esp */ - sub %eax, %edx /* offset (low word is 0) */ -+#ifdef CONFIG_SMP -+ movl PER_CPU_VAR(cpu_number), %ebx -+ shll $PAGE_SHIFT_asm, %ebx -+ addl $cpu_gdt_table, %ebx -+#else -+ movl $cpu_gdt_table, %ebx -+#endif - shr $16, %edx -- mov %dl, GDT_ESPFIX_SS + 4 /* bits 16..23 */ -- mov %dh, GDT_ESPFIX_SS + 7 /* bits 24..31 */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cr0, %esi -+ btr $X86_CR0_WP_BIT, %esi -+ mov %esi, %cr0 -+#endif -+ -+ mov %dl, 4 + GDT_ESPFIX_SS /* bits 16..23 */ -+ mov %dh, 7 + GDT_ESPFIX_SS /* bits 24..31 */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ bts $X86_CR0_WP_BIT, %esi -+ mov %esi, %cr0 -+#endif -+ - pushl_cfi $__ESPFIX_SS - pushl_cfi %eax /* new kernel esp */ - /* Disable interrupts, but do not irqtrace this section: we -@@ -606,20 +831,18 @@ work_resched: - movl TI_flags(%ebp), %ecx - andl $_TIF_WORK_MASK, %ecx # is there any work to be done other - # than syscall tracing? -- jz restore_all -+ jz restore_all_pax - testb $_TIF_NEED_RESCHED, %cl - jnz work_resched - - work_notifysig: # deal with pending signals and - # notify-resume requests -+ movl %esp, %eax - #ifdef CONFIG_VM86 - testl $X86_EFLAGS_VM, PT_EFLAGS(%esp) -- movl %esp, %eax - jnz work_notifysig_v86 # returning to kernel-space or - # vm86-space - 1: --#else -- movl %esp, %eax - #endif - TRACE_IRQS_ON - ENABLE_INTERRUPTS(CLBR_NONE) -@@ -640,7 +863,7 @@ work_notifysig_v86: - movl %eax, %esp - jmp 1b - #endif --END(work_pending) -+ENDPROC(work_pending) - - # perform syscall exit tracing - ALIGN -@@ -648,11 +871,14 @@ syscall_trace_entry: - movl $-ENOSYS,PT_EAX(%esp) - movl %esp, %eax - call syscall_trace_enter -+ -+ pax_erase_kstack -+ - /* What it returned is what we'll actually use. */ - cmpl $(NR_syscalls), %eax - jnae syscall_call - jmp syscall_exit --END(syscall_trace_entry) -+ENDPROC(syscall_trace_entry) - - # perform syscall exit tracing - ALIGN -@@ -665,26 +891,30 @@ syscall_exit_work: - movl %esp, %eax - call syscall_trace_leave - jmp resume_userspace --END(syscall_exit_work) -+ENDPROC(syscall_exit_work) - CFI_ENDPROC - - RING0_INT_FRAME # can't unwind into user space anyway - syscall_fault: -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ push %ss -+ pop %ds -+#endif - ASM_CLAC - GET_THREAD_INFO(%ebp) - movl $-EFAULT,PT_EAX(%esp) - jmp resume_userspace --END(syscall_fault) -+ENDPROC(syscall_fault) - - syscall_badsys: - movl $-ENOSYS,%eax - jmp syscall_after_call --END(syscall_badsys) -+ENDPROC(syscall_badsys) - - sysenter_badsys: - movl $-ENOSYS,%eax - jmp sysenter_after_call --END(sysenter_badsys) -+ENDPROC(sysenter_badsys) - CFI_ENDPROC - - .macro FIXUP_ESPFIX_STACK -@@ -697,8 +927,15 @@ END(sysenter_badsys) - */ - #ifdef CONFIG_X86_ESPFIX32 - /* fixup the stack */ -- mov GDT_ESPFIX_SS + 4, %al /* bits 16..23 */ -- mov GDT_ESPFIX_SS + 7, %ah /* bits 24..31 */ -+#ifdef CONFIG_SMP -+ movl PER_CPU_VAR(cpu_number), %ebx -+ shll $PAGE_SHIFT_asm, %ebx -+ addl $cpu_gdt_table, %ebx -+#else -+ movl $cpu_gdt_table, %ebx -+#endif -+ mov 4 + GDT_ESPFIX_SS, %al /* bits 16..23 */ -+ mov 7 + GDT_ESPFIX_SS, %ah /* bits 24..31 */ - shl $16, %eax - addl %esp, %eax /* the adjusted stack pointer */ - pushl_cfi $__KERNEL_DS -@@ -737,7 +974,7 @@ ENTRY(irq_entries_start) - CFI_ADJUST_CFA_OFFSET -4 - .align 8 - .endr --END(irq_entries_start) -+ENDPROC(irq_entries_start) - - /* - * the CPU automatically disables interrupts when executing an IRQ vector, -@@ -790,7 +1027,7 @@ ENTRY(coprocessor_error) - pushl_cfi $do_coprocessor_error - jmp error_code - CFI_ENDPROC --END(coprocessor_error) -+ENDPROC(coprocessor_error) - - ENTRY(simd_coprocessor_error) - RING0_INT_FRAME -@@ -806,7 +1043,7 @@ ENTRY(simd_coprocessor_error) - #endif - jmp error_code - CFI_ENDPROC --END(simd_coprocessor_error) -+ENDPROC(simd_coprocessor_error) - - ENTRY(device_not_available) - RING0_INT_FRAME -@@ -815,18 +1052,18 @@ ENTRY(device_not_available) - pushl_cfi $do_device_not_available - jmp error_code - CFI_ENDPROC --END(device_not_available) -+ENDPROC(device_not_available) - - #ifdef CONFIG_PARAVIRT - ENTRY(native_iret) - iret - _ASM_EXTABLE(native_iret, iret_exc) --END(native_iret) -+ENDPROC(native_iret) - - ENTRY(native_irq_enable_sysexit) - sti - sysexit --END(native_irq_enable_sysexit) -+ENDPROC(native_irq_enable_sysexit) - #endif - - ENTRY(overflow) -@@ -836,7 +1073,7 @@ ENTRY(overflow) - pushl_cfi $do_overflow - jmp error_code - CFI_ENDPROC --END(overflow) -+ENDPROC(overflow) - - ENTRY(bounds) - RING0_INT_FRAME -@@ -845,7 +1082,7 @@ ENTRY(bounds) - pushl_cfi $do_bounds - jmp error_code - CFI_ENDPROC --END(bounds) -+ENDPROC(bounds) - - ENTRY(invalid_op) - RING0_INT_FRAME -@@ -854,7 +1091,7 @@ ENTRY(invalid_op) - pushl_cfi $do_invalid_op - jmp error_code - CFI_ENDPROC --END(invalid_op) -+ENDPROC(invalid_op) - - ENTRY(coprocessor_segment_overrun) - RING0_INT_FRAME -@@ -863,7 +1100,7 @@ ENTRY(coprocessor_segment_overrun) - pushl_cfi $do_coprocessor_segment_overrun - jmp error_code - CFI_ENDPROC --END(coprocessor_segment_overrun) -+ENDPROC(coprocessor_segment_overrun) - - ENTRY(invalid_TSS) - RING0_EC_FRAME -@@ -871,7 +1108,7 @@ ENTRY(invalid_TSS) - pushl_cfi $do_invalid_TSS - jmp error_code - CFI_ENDPROC --END(invalid_TSS) -+ENDPROC(invalid_TSS) - - ENTRY(segment_not_present) - RING0_EC_FRAME -@@ -879,7 +1116,7 @@ ENTRY(segment_not_present) - pushl_cfi $do_segment_not_present - jmp error_code - CFI_ENDPROC --END(segment_not_present) -+ENDPROC(segment_not_present) - - ENTRY(stack_segment) - RING0_EC_FRAME -@@ -887,7 +1124,7 @@ ENTRY(stack_segment) - pushl_cfi $do_stack_segment - jmp error_code - CFI_ENDPROC --END(stack_segment) -+ENDPROC(stack_segment) - - ENTRY(alignment_check) - RING0_EC_FRAME -@@ -895,7 +1132,7 @@ ENTRY(alignment_check) - pushl_cfi $do_alignment_check - jmp error_code - CFI_ENDPROC --END(alignment_check) -+ENDPROC(alignment_check) - - ENTRY(divide_error) - RING0_INT_FRAME -@@ -904,7 +1141,7 @@ ENTRY(divide_error) - pushl_cfi $do_divide_error - jmp error_code - CFI_ENDPROC --END(divide_error) -+ENDPROC(divide_error) - - #ifdef CONFIG_X86_MCE - ENTRY(machine_check) -@@ -914,7 +1151,7 @@ ENTRY(machine_check) - pushl_cfi machine_check_vector - jmp error_code - CFI_ENDPROC --END(machine_check) -+ENDPROC(machine_check) - #endif - - ENTRY(spurious_interrupt_bug) -@@ -924,7 +1161,7 @@ ENTRY(spurious_interrupt_bug) - pushl_cfi $do_spurious_interrupt_bug - jmp error_code - CFI_ENDPROC --END(spurious_interrupt_bug) -+ENDPROC(spurious_interrupt_bug) - - #ifdef CONFIG_XEN - /* Xen doesn't set %esp to be precisely what the normal sysenter -@@ -1033,7 +1270,7 @@ BUILD_INTERRUPT3(hyperv_callback_vector, HYPERVISOR_CALLBACK_VECTOR, - - ENTRY(mcount) - ret --END(mcount) -+ENDPROC(mcount) - - ENTRY(ftrace_caller) - pushl %eax -@@ -1063,7 +1300,7 @@ ftrace_graph_call: - .globl ftrace_stub - ftrace_stub: - ret --END(ftrace_caller) -+ENDPROC(ftrace_caller) - - ENTRY(ftrace_regs_caller) - pushf /* push flags before compare (in cs location) */ -@@ -1161,7 +1398,7 @@ trace: - popl %ecx - popl %eax - jmp ftrace_stub --END(mcount) -+ENDPROC(mcount) - #endif /* CONFIG_DYNAMIC_FTRACE */ - #endif /* CONFIG_FUNCTION_TRACER */ - -@@ -1179,7 +1416,7 @@ ENTRY(ftrace_graph_caller) - popl %ecx - popl %eax - ret --END(ftrace_graph_caller) -+ENDPROC(ftrace_graph_caller) - - .globl return_to_handler - return_to_handler: -@@ -1233,15 +1470,18 @@ error_code: - movl $-1, PT_ORIG_EAX(%esp) # no syscall to restart - REG_TO_PTGS %ecx - SET_KERNEL_GS %ecx -- movl $(__USER_DS), %ecx -+ movl $(__KERNEL_DS), %ecx - movl %ecx, %ds - movl %ecx, %es -+ -+ pax_enter_kernel -+ - TRACE_IRQS_OFF - movl %esp,%eax # pt_regs pointer - call *%edi - jmp ret_from_exception - CFI_ENDPROC --END(page_fault) -+ENDPROC(page_fault) - - /* - * Debug traps and NMI can happen at the one SYSENTER instruction -@@ -1284,7 +1524,7 @@ debug_stack_correct: - call do_debug - jmp ret_from_exception - CFI_ENDPROC --END(debug) -+ENDPROC(debug) - - /* - * NMI is doubly nasty. It can happen _while_ we're handling -@@ -1324,6 +1564,9 @@ nmi_stack_correct: - xorl %edx,%edx # zero error code - movl %esp,%eax # pt_regs pointer - call do_nmi -+ -+ pax_exit_kernel -+ - jmp restore_all_notrace - CFI_ENDPROC - -@@ -1361,13 +1604,16 @@ nmi_espfix_stack: - FIXUP_ESPFIX_STACK # %eax == %esp - xorl %edx,%edx # zero error code - call do_nmi -+ -+ pax_exit_kernel -+ - RESTORE_REGS - lss 12+4(%esp), %esp # back to espfix stack - CFI_ADJUST_CFA_OFFSET -24 - jmp irq_return - #endif - CFI_ENDPROC --END(nmi) -+ENDPROC(nmi) - - ENTRY(int3) - RING0_INT_FRAME -@@ -1380,14 +1626,14 @@ ENTRY(int3) - call do_int3 - jmp ret_from_exception - CFI_ENDPROC --END(int3) -+ENDPROC(int3) - - ENTRY(general_protection) - RING0_EC_FRAME - pushl_cfi $do_general_protection - jmp error_code - CFI_ENDPROC --END(general_protection) -+ENDPROC(general_protection) - - #ifdef CONFIG_KVM_GUEST - ENTRY(async_page_fault) -@@ -1396,6 +1642,6 @@ ENTRY(async_page_fault) - pushl_cfi $do_async_page_fault - jmp error_code - CFI_ENDPROC --END(async_page_fault) -+ENDPROC(async_page_fault) - #endif - -diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S -index 4bd6c19..a0eba01 100644 ---- a/arch/x86/kernel/entry_64.S -+++ b/arch/x86/kernel/entry_64.S -@@ -46,6 +46,8 @@ - #include <asm/smap.h> - #include <asm/pgtable_types.h> - #include <linux/err.h> -+#include <asm/pgtable.h> -+#include <asm/alternative-asm.h> - - /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */ - #include <linux/elf-em.h> -@@ -64,6 +66,401 @@ ENTRY(native_usergs_sysret64) - ENDPROC(native_usergs_sysret64) - #endif /* CONFIG_PARAVIRT */ - -+ .macro ljmpq sel, off -+#if defined(CONFIG_MPSC) || defined(CONFIG_MCORE2) || defined (CONFIG_MATOM) -+ .byte 0x48; ljmp *1234f(%rip) -+ .pushsection .rodata -+ .align 16 -+ 1234: .quad \off; .word \sel -+ .popsection -+#else -+ pushq $\sel -+ pushq $\off -+ lretq -+#endif -+ .endm -+ -+ .macro pax_enter_kernel -+ pax_set_fptr_mask -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ call pax_enter_kernel -+#endif -+ .endm -+ -+ .macro pax_exit_kernel -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ call pax_exit_kernel -+#endif -+ .endm -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ENTRY(pax_enter_kernel) -+ pushq %rdi -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ jnc 3f -+ mov %cs,%edi -+ cmp $__KERNEL_CS,%edi -+ jnz 2f -+1: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ GET_CR3_INTO_RDI -+ cmp $0,%dil -+ jnz 112f -+ mov $__KERNEL_DS,%edi -+ mov %edi,%ss -+ jmp 111f -+112: cmp $1,%dil -+ jz 113f -+ ud2 -+113: sub $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__UDEREF_KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI) -+#endif -+ -+ popq %rdi -+ pax_force_retaddr -+ retq -+ -+#ifdef CONFIG_PAX_KERNEXEC -+2: ljmpq __KERNEL_CS,1b -+3: ljmpq __KERNEXEC_KERNEL_CS,4f -+4: SET_RDI_INTO_CR0 -+ jmp 1b -+#endif -+ENDPROC(pax_enter_kernel) -+ -+ENTRY(pax_exit_kernel) -+ pushq %rdi -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cs,%rdi -+ cmp $__KERNEXEC_KERNEL_CS,%edi -+ jz 2f -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ jnc 4f -+1: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ mov %ss,%edi -+ cmp $__UDEREF_KERNEL_DS,%edi -+ jnz 111f -+ GET_CR3_INTO_RDI -+ cmp $0,%dil -+ jz 112f -+ ud2 -+112: add $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI); -+#endif -+ -+ popq %rdi -+ pax_force_retaddr -+ retq -+ -+#ifdef CONFIG_PAX_KERNEXEC -+2: GET_CR0_INTO_RDI -+ btr $X86_CR0_WP_BIT,%rdi -+ jnc 4f -+ ljmpq __KERNEL_CS,3f -+3: SET_RDI_INTO_CR0 -+ jmp 1b -+4: ud2 -+ jmp 4b -+#endif -+ENDPROC(pax_exit_kernel) -+#endif -+ -+ .macro pax_enter_kernel_user -+ pax_set_fptr_mask -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_enter_kernel_user -+#endif -+ .endm -+ -+ .macro pax_exit_kernel_user -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_exit_kernel_user -+#endif -+#ifdef CONFIG_PAX_RANDKSTACK -+ pushq %rax -+ pushq %r11 -+ call pax_randomize_kstack -+ popq %r11 -+ popq %rax -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ENTRY(pax_enter_kernel_user) -+ pushq %rdi -+ pushq %rbx -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ GET_CR3_INTO_RDI -+ cmp $1,%dil -+ jnz 4f -+ sub $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ jmp 3f -+111: -+ -+ GET_CR3_INTO_RDI -+ mov %rdi,%rbx -+ add $__START_KERNEL_map,%rbx -+ sub phys_base(%rip),%rbx -+ -+#ifdef CONFIG_PARAVIRT -+ cmpl $0, pv_info+PARAVIRT_enabled -+ jz 1f -+ pushq %rdi -+ i = 0 -+ .rept USER_PGD_PTRS -+ mov i*8(%rbx),%rsi -+ mov $0,%sil -+ lea i*8(%rbx),%rdi -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched) -+ i = i + 1 -+ .endr -+ popq %rdi -+ jmp 2f -+1: -+#endif -+ -+ i = 0 -+ .rept USER_PGD_PTRS -+ movb $0,i*8(%rbx) -+ i = i + 1 -+ .endr -+ -+2: SET_RDI_INTO_CR3 -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ SET_RDI_INTO_CR0 -+#endif -+ -+3: -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI) -+#endif -+ -+ popq %rbx -+ popq %rdi -+ pax_force_retaddr -+ retq -+4: ud2 -+ENDPROC(pax_enter_kernel_user) -+ -+ENTRY(pax_exit_kernel_user) -+ pushq %rdi -+ pushq %rbx -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+ GET_CR3_INTO_RDI -+ ALTERNATIVE "jmp 1f", "", X86_FEATURE_PCID -+ cmp $0,%dil -+ jnz 3f -+ add $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ jmp 2f -+1: -+ -+ mov %rdi,%rbx -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ btr $X86_CR0_WP_BIT,%rdi -+ jnc 3f -+ SET_RDI_INTO_CR0 -+#endif -+ -+ add $__START_KERNEL_map,%rbx -+ sub phys_base(%rip),%rbx -+ -+#ifdef CONFIG_PARAVIRT -+ cmpl $0, pv_info+PARAVIRT_enabled -+ jz 1f -+ i = 0 -+ .rept USER_PGD_PTRS -+ mov i*8(%rbx),%rsi -+ mov $0x67,%sil -+ lea i*8(%rbx),%rdi -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd_batched) -+ i = i + 1 -+ .endr -+ jmp 2f -+1: -+#endif -+ -+ i = 0 -+ .rept USER_PGD_PTRS -+ movb $0x67,i*8(%rbx) -+ i = i + 1 -+ .endr -+2: -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI) -+#endif -+ -+ popq %rbx -+ popq %rdi -+ pax_force_retaddr -+ retq -+3: ud2 -+ENDPROC(pax_exit_kernel_user) -+#endif -+ -+ .macro pax_enter_kernel_nmi -+ pax_set_fptr_mask -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ bts $X86_CR0_WP_BIT,%rdi -+ jc 110f -+ SET_RDI_INTO_CR0 -+ or $2,%ebx -+110: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ GET_CR3_INTO_RDI -+ cmp $0,%dil -+ jz 111f -+ sub $4097,%rdi -+ or $4,%ebx -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__UDEREF_KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ .endm -+ -+ .macro pax_exit_kernel_nmi -+#ifdef CONFIG_PAX_KERNEXEC -+ btr $1,%ebx -+ jnc 110f -+ GET_CR0_INTO_RDI -+ btr $X86_CR0_WP_BIT,%rdi -+ SET_RDI_INTO_CR0 -+110: -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ ALTERNATIVE "jmp 111f", "", X86_FEATURE_PCID -+ btr $2,%ebx -+ jnc 111f -+ GET_CR3_INTO_RDI -+ add $4097,%rdi -+ bts $63,%rdi -+ SET_RDI_INTO_CR3 -+ mov $__KERNEL_DS,%edi -+ mov %edi,%ss -+111: -+#endif -+ .endm -+ -+ .macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ call pax_erase_kstack -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ENTRY(pax_erase_kstack) -+ pushq %rdi -+ pushq %rcx -+ pushq %rax -+ pushq %r11 -+ -+ GET_THREAD_INFO(%r11) -+ mov TI_lowest_stack(%r11), %rdi -+ mov $-0xBEEF, %rax -+ std -+ -+1: mov %edi, %ecx -+ and $THREAD_SIZE_asm - 1, %ecx -+ shr $3, %ecx -+ repne scasq -+ jecxz 2f -+ -+ cmp $2*8, %ecx -+ jc 2f -+ -+ mov $2*8, %ecx -+ repe scasq -+ jecxz 2f -+ jne 1b -+ -+2: cld -+ or $2*8, %rdi -+ mov %esp, %ecx -+ sub %edi, %ecx -+ -+ cmp $THREAD_SIZE_asm, %rcx -+ jb 3f -+ ud2 -+3: -+ -+ shr $3, %ecx -+ rep stosq -+ -+ mov TI_task_thread_sp0(%r11), %rdi -+ sub $256, %rdi -+ mov %rdi, TI_lowest_stack(%r11) -+ -+ popq %r11 -+ popq %rax -+ popq %rcx -+ popq %rdi -+ pax_force_retaddr -+ ret -+ENDPROC(pax_erase_kstack) -+#endif - - .macro TRACE_IRQS_IRETQ - #ifdef CONFIG_TRACE_IRQFLAGS -@@ -100,7 +497,7 @@ ENDPROC(native_usergs_sysret64) - .endm - - .macro TRACE_IRQS_IRETQ_DEBUG -- bt $9,EFLAGS(%rsp) /* interrupts off? */ -+ bt $X86_EFLAGS_IF_BIT,EFLAGS(%rsp) /* interrupts off? */ - jnc 1f - TRACE_IRQS_ON_DEBUG - 1: -@@ -221,14 +618,6 @@ GLOBAL(system_call_after_swapgs) - /* Construct struct pt_regs on stack */ - pushq_cfi $__USER_DS /* pt_regs->ss */ - pushq_cfi PER_CPU_VAR(rsp_scratch) /* pt_regs->sp */ -- /* -- * Re-enable interrupts. -- * We use 'rsp_scratch' as a scratch space, hence irq-off block above -- * must execute atomically in the face of possible interrupt-driven -- * task preemption. We must enable interrupts only after we're done -- * with using rsp_scratch: -- */ -- ENABLE_INTERRUPTS(CLBR_NONE) - pushq_cfi %r11 /* pt_regs->flags */ - pushq_cfi $__USER_CS /* pt_regs->cs */ - pushq_cfi %rcx /* pt_regs->ip */ -@@ -246,7 +635,27 @@ GLOBAL(system_call_after_swapgs) - sub $(6*8),%rsp /* pt_regs->bp,bx,r12-15 not saved */ - CFI_ADJUST_CFA_OFFSET 6*8 - -- testl $_TIF_WORK_SYSCALL_ENTRY, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ movq_cfi r12, R12 -+#endif -+ -+ pax_enter_kernel_user -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pax_erase_kstack -+#endif -+ -+ /* -+ * Re-enable interrupts. -+ * We use 'rsp_scratch' as a scratch space, hence irq-off block above -+ * must execute atomically in the face of possible interrupt-driven -+ * task preemption. We must enable interrupts only after we're done -+ * with using rsp_scratch: -+ */ -+ ENABLE_INTERRUPTS(CLBR_NONE) -+ -+ GET_THREAD_INFO(%rcx) -+ testl $_TIF_WORK_SYSCALL_ENTRY,TI_flags(%rcx) - jnz tracesys - system_call_fastpath: - #if __SYSCALL_MASK == ~0 -@@ -279,10 +688,13 @@ system_call_fastpath: - * flags (TIF_NOTIFY_RESUME, TIF_USER_RETURN_NOTIFY, etc) set is - * very bad. - */ -- testl $_TIF_ALLWORK_MASK, ASM_THREAD_INFO(TI_flags, %rsp, SIZEOF_PTREGS) -+ GET_THREAD_INFO(%rcx) -+ testl $_TIF_ALLWORK_MASK,TI_flags(%rcx) - jnz int_ret_from_sys_call_irqs_off /* Go to the slow path */ - - CFI_REMEMBER_STATE -+ pax_exit_kernel_user -+ pax_erase_kstack - - RESTORE_C_REGS_EXCEPT_RCX_R11 - movq RIP(%rsp),%rcx -@@ -316,6 +728,9 @@ tracesys: - call syscall_trace_enter_phase1 - test %rax, %rax - jnz tracesys_phase2 /* if needed, run the slow path */ -+ -+ pax_erase_kstack -+ - RESTORE_C_REGS_EXCEPT_RAX /* else restore clobbered regs */ - movq ORIG_RAX(%rsp), %rax - jmp system_call_fastpath /* and return to the fast path */ -@@ -327,6 +742,8 @@ tracesys_phase2: - movq %rax,%rdx - call syscall_trace_enter_phase2 - -+ pax_erase_kstack -+ - /* - * Reload registers from stack in case ptrace changed them. - * We don't reload %rax because syscall_trace_entry_phase2() returned -@@ -364,6 +781,8 @@ GLOBAL(int_with_check) - andl %edi,%edx - jnz int_careful - andl $~TS_COMPAT,TI_status(%rcx) -+ pax_exit_kernel_user -+ pax_erase_kstack - jmp syscall_return - - /* Either reschedule or signal or syscall exit tracking needed. */ -@@ -485,7 +904,7 @@ opportunistic_sysret_failed: - SWAPGS - jmp restore_c_regs_and_iret - CFI_ENDPROC --END(system_call) -+ENDPROC(system_call) - - - .macro FORK_LIKE func -@@ -495,7 +914,7 @@ ENTRY(stub_\func) - SAVE_EXTRA_REGS 8 - jmp sys_\func - CFI_ENDPROC --END(stub_\func) -+ENDPROC(stub_\func) - .endm - - FORK_LIKE clone -@@ -519,7 +938,7 @@ return_from_execve: - movq %rax,RAX(%rsp) - jmp int_ret_from_sys_call - CFI_ENDPROC --END(stub_execve) -+ENDPROC(stub_execve) - /* - * Remaining execve stubs are only 7 bytes long. - * ENTRY() often aligns to 16 bytes, which in this case has no benefits. -@@ -531,7 +950,7 @@ GLOBAL(stub_execveat) - call sys_execveat - jmp return_from_execve - CFI_ENDPROC --END(stub_execveat) -+ENDPROC(stub_execveat) - - #ifdef CONFIG_X86_X32_ABI - .align 8 -@@ -541,7 +960,7 @@ GLOBAL(stub_x32_execve) - call compat_sys_execve - jmp return_from_execve - CFI_ENDPROC --END(stub_x32_execve) -+ENDPROC(stub_x32_execve) - .align 8 - GLOBAL(stub_x32_execveat) - CFI_STARTPROC -@@ -549,7 +968,7 @@ GLOBAL(stub_x32_execveat) - call compat_sys_execveat - jmp return_from_execve - CFI_ENDPROC --END(stub_x32_execveat) -+ENDPROC(stub_x32_execveat) - #endif - - #ifdef CONFIG_IA32_EMULATION -@@ -592,7 +1011,7 @@ return_from_stub: - movq %rax,RAX(%rsp) - jmp int_ret_from_sys_call - CFI_ENDPROC --END(stub_rt_sigreturn) -+ENDPROC(stub_rt_sigreturn) - - #ifdef CONFIG_X86_X32_ABI - ENTRY(stub_x32_rt_sigreturn) -@@ -602,7 +1021,7 @@ ENTRY(stub_x32_rt_sigreturn) - call sys32_x32_rt_sigreturn - jmp return_from_stub - CFI_ENDPROC --END(stub_x32_rt_sigreturn) -+ENDPROC(stub_x32_rt_sigreturn) - #endif - - /* -@@ -622,7 +1041,7 @@ ENTRY(ret_from_fork) - - RESTORE_EXTRA_REGS - -- testl $3,CS(%rsp) # from kernel_thread? -+ testb $3,CS(%rsp) # from kernel_thread? - - /* - * By the time we get here, we have no idea whether our pt_regs, -@@ -641,7 +1060,7 @@ ENTRY(ret_from_fork) - RESTORE_EXTRA_REGS - jmp int_ret_from_sys_call - CFI_ENDPROC --END(ret_from_fork) -+ENDPROC(ret_from_fork) - - /* - * Build the entry stubs with some assembler magic. -@@ -659,7 +1078,7 @@ ENTRY(irq_entries_start) - .align 8 - .endr - CFI_ENDPROC --END(irq_entries_start) -+ENDPROC(irq_entries_start) - - /* - * Interrupt entry/exit. -@@ -672,21 +1091,13 @@ END(irq_entries_start) - /* 0(%rsp): ~(interrupt number) */ - .macro interrupt func - cld -- /* -- * Since nothing in interrupt handling code touches r12...r15 members -- * of "struct pt_regs", and since interrupts can nest, we can save -- * four stack slots and simultaneously provide -- * an unwind-friendly stack layout by saving "truncated" pt_regs -- * exactly up to rbp slot, without these members. -- */ -- ALLOC_PT_GPREGS_ON_STACK -RBP -- SAVE_C_REGS -RBP -- /* this goes to 0(%rsp) for unwinder, not for saving the value: */ -- SAVE_EXTRA_REGS_RBP -RBP -+ ALLOC_PT_GPREGS_ON_STACK -+ SAVE_C_REGS -+ SAVE_EXTRA_REGS - -- leaq -RBP(%rsp),%rdi /* arg1 for \func (pointer to pt_regs) */ -+ movq %rsp,%rdi /* arg1 for \func (pointer to pt_regs) */ - -- testl $3, CS-RBP(%rsp) -+ testb $3, CS(%rsp) - je 1f - SWAPGS - 1: -@@ -709,8 +1120,20 @@ END(irq_entries_start) - CFI_ESCAPE 0x0f /* DW_CFA_def_cfa_expression */, 6, \ - 0x77 /* DW_OP_breg7 (rsp) */, 0, \ - 0x06 /* DW_OP_deref */, \ -- 0x08 /* DW_OP_const1u */, SIZEOF_PTREGS-RBP, \ -+ 0x08 /* DW_OP_const1u */, SIZEOF_PTREGS, \ - 0x22 /* DW_OP_plus */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rdi) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif -+ - /* We entered an interrupt context - irqs are off: */ - TRACE_IRQS_OFF - -@@ -735,13 +1158,12 @@ ret_from_intr: - - /* Restore saved previous stack */ - popq %rsi -- CFI_DEF_CFA rsi,SIZEOF_PTREGS-RBP /* reg/off reset after def_cfa_expr */ -- /* return code expects complete pt_regs - adjust rsp accordingly: */ -- leaq -RBP(%rsi),%rsp -+ CFI_DEF_CFA rsi,SIZEOF_PTREGS /* reg/off reset after def_cfa_expr */ -+ movq %rsi, %rsp - CFI_DEF_CFA_REGISTER rsp -- CFI_ADJUST_CFA_OFFSET RBP -+ CFI_ADJUST_CFA_OFFSET 0 - -- testl $3,CS(%rsp) -+ testb $3,CS(%rsp) - je retint_kernel - /* Interrupt came from user space */ - -@@ -763,6 +1185,8 @@ retint_swapgs: /* return to user-space */ - * The iretq could re-enable interrupts: - */ - DISABLE_INTERRUPTS(CLBR_ANY) -+ pax_exit_kernel_user -+# pax_erase_kstack - TRACE_IRQS_IRETQ - - SWAPGS -@@ -781,6 +1205,21 @@ retint_kernel: - jmp 0b - 1: - #endif -+ -+ pax_exit_kernel -+ -+#if defined(CONFIG_EFI) && defined(CONFIG_PAX_KERNEXEC) -+ /* This is a quirk to allow IRQs/NMIs/MCEs during early EFI setup, -+ * namely calling EFI runtime services with a phys mapping. We're -+ * starting off with NOPs and patch in the real instrumentation -+ * (BTS/OR) before starting any userland process; even before starting -+ * up the APs. -+ */ -+ ALTERNATIVE "", "pax_force_retaddr 16*8", X86_FEATURE_ALWAYS -+#else -+ pax_force_retaddr RIP -+#endif -+ - /* - * The iretq could re-enable interrupts: - */ -@@ -822,15 +1261,15 @@ native_irq_return_ldt: - SWAPGS - movq PER_CPU_VAR(espfix_waddr),%rdi - movq %rax,(0*8)(%rdi) /* RAX */ -- movq (2*8)(%rsp),%rax /* RIP */ -+ movq (2*8 + RIP-RIP)(%rsp),%rax /* RIP */ - movq %rax,(1*8)(%rdi) -- movq (3*8)(%rsp),%rax /* CS */ -+ movq (2*8 + CS-RIP)(%rsp),%rax /* CS */ - movq %rax,(2*8)(%rdi) -- movq (4*8)(%rsp),%rax /* RFLAGS */ -+ movq (2*8 + EFLAGS-RIP)(%rsp),%rax /* RFLAGS */ - movq %rax,(3*8)(%rdi) -- movq (6*8)(%rsp),%rax /* SS */ -+ movq (2*8 + SS-RIP)(%rsp),%rax /* SS */ - movq %rax,(5*8)(%rdi) -- movq (5*8)(%rsp),%rax /* RSP */ -+ movq (2*8 + RSP-RIP)(%rsp),%rax /* RSP */ - movq %rax,(4*8)(%rdi) - andl $0xffff0000,%eax - popq_cfi %rdi -@@ -873,7 +1312,7 @@ retint_signal: - jmp retint_with_reschedule - - CFI_ENDPROC --END(common_interrupt) -+ENDPROC(common_interrupt) - - /* - * APIC interrupts. -@@ -887,7 +1326,7 @@ ENTRY(\sym) - interrupt \do_sym - jmp ret_from_intr - CFI_ENDPROC --END(\sym) -+ENDPROC(\sym) - .endm - - #ifdef CONFIG_TRACING -@@ -960,7 +1399,7 @@ apicinterrupt IRQ_WORK_VECTOR \ - /* - * Exception entry points. - */ --#define CPU_TSS_IST(x) PER_CPU_VAR(cpu_tss) + (TSS_ist + ((x) - 1) * 8) -+#define CPU_TSS_IST(x) (TSS_ist + ((x) - 1) * 8)(%r13) - - .macro idtentry sym do_sym has_error_code:req paranoid=0 shift_ist=-1 - ENTRY(\sym) -@@ -1016,6 +1455,12 @@ ENTRY(\sym) - .endif - - .if \shift_ist != -1 -+#ifdef CONFIG_SMP -+ imul $TSS_size, PER_CPU_VAR(cpu_number), %r13d -+ lea cpu_tss(%r13), %r13 -+#else -+ lea cpu_tss(%rip), %r13 -+#endif - subq $EXCEPTION_STKSZ, CPU_TSS_IST(\shift_ist) - .endif - -@@ -1063,7 +1508,7 @@ ENTRY(\sym) - .endif - - CFI_ENDPROC --END(\sym) -+ENDPROC(\sym) - .endm - - #ifdef CONFIG_TRACING -@@ -1104,9 +1549,10 @@ gs_change: - 2: mfence /* workaround */ - SWAPGS - popfq_cfi -+ pax_force_retaddr - ret - CFI_ENDPROC --END(native_load_gs_index) -+ENDPROC(native_load_gs_index) - - _ASM_EXTABLE(gs_change,bad_gs) - .section .fixup,"ax" -@@ -1134,9 +1580,10 @@ ENTRY(do_softirq_own_stack) - CFI_DEF_CFA_REGISTER rsp - CFI_ADJUST_CFA_OFFSET -8 - decl PER_CPU_VAR(irq_count) -+ pax_force_retaddr - ret - CFI_ENDPROC --END(do_softirq_own_stack) -+ENDPROC(do_softirq_own_stack) - - #ifdef CONFIG_XEN - idtentry xen_hypervisor_callback xen_do_hypervisor_callback has_error_code=0 -@@ -1177,7 +1624,7 @@ ENTRY(xen_do_hypervisor_callback) # do_hypervisor_callback(struct *pt_regs) - #endif - jmp error_exit - CFI_ENDPROC --END(xen_do_hypervisor_callback) -+ENDPROC(xen_do_hypervisor_callback) - - /* - * Hypervisor uses this for application faults while it executes. -@@ -1238,7 +1685,7 @@ ENTRY(xen_failsafe_callback) - SAVE_EXTRA_REGS - jmp error_exit - CFI_ENDPROC --END(xen_failsafe_callback) -+ENDPROC(xen_failsafe_callback) - - apicinterrupt3 HYPERVISOR_CALLBACK_VECTOR \ - xen_hvm_callback_vector xen_evtchn_do_upcall -@@ -1284,9 +1731,39 @@ ENTRY(paranoid_entry) - js 1f /* negative -> in kernel */ - SWAPGS - xorl %ebx,%ebx --1: ret -+1: -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS+8(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif -+ pax_force_retaddr -+ ret - CFI_ENDPROC --END(paranoid_entry) -+ENDPROC(paranoid_entry) -+ -+ENTRY(paranoid_entry_nmi) -+ XCPT_FRAME 1 15*8 -+ cld -+ SAVE_C_REGS 8 -+ SAVE_EXTRA_REGS 8 -+ movl $1,%ebx -+ movl $MSR_GS_BASE,%ecx -+ rdmsr -+ testl %edx,%edx -+ js 1f /* negative -> in kernel */ -+ SWAPGS -+ xorl %ebx,%ebx -+1: pax_enter_kernel_nmi -+ pax_force_retaddr -+ ret -+ CFI_ENDPROC -+ENDPROC(paranoid_entry_nmi) - - /* - * "Paranoid" exit path from exception stack. This is invoked -@@ -1303,20 +1780,27 @@ ENTRY(paranoid_exit) - DEFAULT_FRAME - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF_DEBUG -- testl %ebx,%ebx /* swapgs needed? */ -+ testl $1,%ebx /* swapgs needed? */ - jnz paranoid_exit_no_swapgs -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_exit_kernel_user -+#else -+ pax_exit_kernel -+#endif - TRACE_IRQS_IRETQ - SWAPGS_UNSAFE_STACK - jmp paranoid_exit_restore - paranoid_exit_no_swapgs: -+ pax_exit_kernel - TRACE_IRQS_IRETQ_DEBUG - paranoid_exit_restore: - RESTORE_EXTRA_REGS - RESTORE_C_REGS - REMOVE_PT_GPREGS_FROM_STACK 8 -+ pax_force_retaddr_bts - INTERRUPT_RETURN - CFI_ENDPROC --END(paranoid_exit) -+ENDPROC(paranoid_exit) - - /* - * Save all registers in pt_regs, and switch gs if needed. -@@ -1328,12 +1812,23 @@ ENTRY(error_entry) - SAVE_C_REGS 8 - SAVE_EXTRA_REGS 8 - xorl %ebx,%ebx -- testl $3,CS+8(%rsp) -+ testb $3,CS+8(%rsp) - je error_kernelspace - error_swapgs: - SWAPGS - error_sti: -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS+8(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - TRACE_IRQS_OFF -+ pax_force_retaddr - ret - - /* -@@ -1368,7 +1863,7 @@ error_bad_iret: - decl %ebx /* Return to usergs */ - jmp error_sti - CFI_ENDPROC --END(error_entry) -+ENDPROC(error_entry) - - - /* On entry, ebx is "no swapgs" flag (1: don't need swapgs, 0: need it) */ -@@ -1379,7 +1874,7 @@ ENTRY(error_exit) - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF - GET_THREAD_INFO(%rcx) -- testl %eax,%eax -+ testl $1,%eax - jne retint_kernel - LOCKDEP_SYS_EXIT_IRQ - movl TI_flags(%rcx),%edx -@@ -1388,7 +1883,7 @@ ENTRY(error_exit) - jnz retint_careful - jmp retint_swapgs - CFI_ENDPROC --END(error_exit) -+ENDPROC(error_exit) - - /* Runs on exception stack */ - ENTRY(nmi) -@@ -1473,6 +1968,12 @@ ENTRY(nmi) - pushq %r14 /* pt_regs->r14 */ - pushq %r15 /* pt_regs->r15 */ - -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ xorl %ebx,%ebx -+#endif -+ -+ pax_enter_kernel_nmi -+ - /* - * At this point we no longer need to worry about stack damage - * due to nesting -- we're on the normal thread stack and we're -@@ -1482,12 +1983,19 @@ ENTRY(nmi) - movq $-1, %rsi - call do_nmi - -+ pax_exit_kernel_nmi -+ - /* - * Return back to user mode. We must *not* do the normal exit - * work, because we don't want to enable interrupts. Fortunately, - * do_nmi doesn't modify pt_regs. - */ - SWAPGS -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ movq_cfi_restore RBX, rbx -+#endif -+ - jmp restore_c_regs_and_iret - - .Lnmi_from_kernel: -@@ -1595,8 +2103,7 @@ nested_nmi: - * Modify the "iret" frame to point to repeat_nmi, forcing another - * iteration of NMI handling. - */ -- leaq -1*8(%rsp), %rdx -- movq %rdx, %rsp -+ subq $8, %rsp - CFI_ADJUST_CFA_OFFSET 1*8 - leaq -10*8(%rsp), %rdx - pushq_cfi $__KERNEL_DS -@@ -1614,6 +2121,7 @@ nested_nmi_out: - CFI_RESTORE rdx - - /* We are returning to kernel mode, so this cannot result in a fault. */ -+# pax_force_retaddr_bts - INTERRUPT_RETURN - - CFI_RESTORE_STATE -@@ -1679,13 +2187,13 @@ end_repeat_nmi: - ALLOC_PT_GPREGS_ON_STACK - - /* -- * Use paranoid_entry to handle SWAPGS, but no need to use paranoid_exit -+ * Use paranoid_entry_nmi to handle SWAPGS, but no need to use paranoid_exit - * as we should not be calling schedule in NMI context. - * Even with normal interrupts enabled. An NMI should not be - * setting NEED_RESCHED or anything that normal interrupts and - * exceptions might do. - */ -- call paranoid_entry -+ call paranoid_entry_nmi - DEFAULT_FRAME 0 - - /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */ -@@ -1693,7 +2201,9 @@ end_repeat_nmi: - movq $-1,%rsi - call do_nmi - -- testl %ebx,%ebx /* swapgs needed? */ -+ pax_exit_kernel_nmi -+ -+ testl $1,%ebx /* swapgs needed? */ - jnz nmi_restore - nmi_swapgs: - SWAPGS_UNSAFE_STACK -@@ -1704,6 +2214,8 @@ nmi_restore: - /* Point RSP at the "iret" frame. */ - REMOVE_PT_GPREGS_FROM_STACK 6*8 - -+ pax_force_retaddr_bts -+ - /* - * Clear "NMI executing". Set DF first so that we can easily - * distinguish the remaining code between here and IRET from -@@ -1722,12 +2234,12 @@ nmi_restore: - */ - INTERRUPT_RETURN - CFI_ENDPROC --END(nmi) -+ENDPROC(nmi) - - ENTRY(ignore_sysret) - CFI_STARTPROC - mov $-ENOSYS,%eax - sysret - CFI_ENDPROC --END(ignore_sysret) -+ENDPROC(ignore_sysret) - -diff --git a/arch/x86/kernel/espfix_64.c b/arch/x86/kernel/espfix_64.c -index f5d0730..5bce89c 100644 ---- a/arch/x86/kernel/espfix_64.c -+++ b/arch/x86/kernel/espfix_64.c -@@ -70,8 +70,7 @@ static DEFINE_MUTEX(espfix_init_mutex); - #define ESPFIX_MAX_PAGES DIV_ROUND_UP(CONFIG_NR_CPUS, ESPFIX_STACKS_PER_PAGE) - static void *espfix_pages[ESPFIX_MAX_PAGES]; - --static __page_aligned_bss pud_t espfix_pud_page[PTRS_PER_PUD] -- __aligned(PAGE_SIZE); -+static pud_t espfix_pud_page[PTRS_PER_PUD] __page_aligned_rodata; - - static unsigned int page_random, slot_random; - -@@ -122,11 +121,17 @@ static void init_espfix_random(void) - void __init init_espfix_bsp(void) - { - pgd_t *pgd_p; -+ unsigned long index = pgd_index(ESPFIX_BASE_ADDR); - - /* Install the espfix pud into the kernel page directory */ -- pgd_p = &init_level4_pgt[pgd_index(ESPFIX_BASE_ADDR)]; -+ pgd_p = &init_level4_pgt[index]; - pgd_populate(&init_mm, pgd_p, (pud_t *)espfix_pud_page); - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(0, kernel) + index, swapper_pg_dir + index, 1); -+ clone_pgd_range(get_cpu_pgd(0, user) + index, swapper_pg_dir + index, 1); -+#endif -+ - /* Randomize the locations */ - init_espfix_random(); - -@@ -194,7 +199,7 @@ void init_espfix_ap(void) - set_pte(&pte_p[n*PTE_STRIDE], pte); - - /* Job is done for this CPU and any CPU which shares this page */ -- ACCESS_ONCE(espfix_pages[page]) = stack_page; -+ ACCESS_ONCE_RW(espfix_pages[page]) = stack_page; - - unlock_done: - mutex_unlock(&espfix_init_mutex); -diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c -index 8b7b0a5..02219db 100644 ---- a/arch/x86/kernel/ftrace.c -+++ b/arch/x86/kernel/ftrace.c -@@ -89,7 +89,7 @@ static unsigned long text_ip_addr(unsigned long ip) - * kernel identity mapping to modify code. - */ - if (within(ip, (unsigned long)_text, (unsigned long)_etext)) -- ip = (unsigned long)__va(__pa_symbol(ip)); -+ ip = (unsigned long)__va(__pa_symbol(ktla_ktva(ip))); - - return ip; - } -@@ -105,6 +105,8 @@ ftrace_modify_code_direct(unsigned long ip, unsigned const char *old_code, - { - unsigned char replaced[MCOUNT_INSN_SIZE]; - -+ ip = ktla_ktva(ip); -+ - /* - * Note: Due to modules and __init, code can - * disappear and change, we need to protect against faulting -@@ -230,7 +232,7 @@ static int update_ftrace_func(unsigned long ip, void *new) - unsigned char old[MCOUNT_INSN_SIZE]; - int ret; - -- memcpy(old, (void *)ip, MCOUNT_INSN_SIZE); -+ memcpy(old, (void *)ktla_ktva(ip), MCOUNT_INSN_SIZE); - - ftrace_update_func = ip; - /* Make sure the breakpoints see the ftrace_update_func update */ -@@ -311,7 +313,7 @@ static int add_break(unsigned long ip, const char *old) - unsigned char replaced[MCOUNT_INSN_SIZE]; - unsigned char brk = BREAKPOINT_INSTRUCTION; - -- if (probe_kernel_read(replaced, (void *)ip, MCOUNT_INSN_SIZE)) -+ if (probe_kernel_read(replaced, (void *)ktla_ktva(ip), MCOUNT_INSN_SIZE)) - return -EFAULT; - - /* Make sure it is what we expect it to be */ -@@ -670,11 +672,11 @@ static unsigned char *ftrace_jmp_replace(unsigned long ip, unsigned long addr) - /* Module allocation simplifies allocating memory for code */ - static inline void *alloc_tramp(unsigned long size) - { -- return module_alloc(size); -+ return module_alloc_exec(size); - } - static inline void tramp_free(void *tramp) - { -- module_memfree(tramp); -+ module_memfree_exec(tramp); - } - #else - /* Trampolines can only be created if modules are supported */ -@@ -753,7 +755,9 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - *tramp_size = size + MCOUNT_INSN_SIZE + sizeof(void *); - - /* Copy ftrace_caller onto the trampoline memory */ -+ pax_open_kernel(); - ret = probe_kernel_read(trampoline, (void *)start_offset, size); -+ pax_close_kernel(); - if (WARN_ON(ret < 0)) { - tramp_free(trampoline); - return 0; -@@ -763,6 +767,7 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - - /* The trampoline ends with a jmp to ftrace_return */ - jmp = ftrace_jmp_replace(ip, (unsigned long)ftrace_return); -+ pax_open_kernel(); - memcpy(trampoline + size, jmp, MCOUNT_INSN_SIZE); - - /* -@@ -775,6 +780,7 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - - ptr = (unsigned long *)(trampoline + size + MCOUNT_INSN_SIZE); - *ptr = (unsigned long)ops; -+ pax_close_kernel(); - - op_offset -= start_offset; - memcpy(&op_ptr, trampoline + op_offset, OP_REF_SIZE); -@@ -792,7 +798,9 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size) - op_ptr.offset = offset; - - /* put in the new offset to the ftrace_ops */ -+ pax_open_kernel(); - memcpy(trampoline + op_offset, &op_ptr, OP_REF_SIZE); -+ pax_close_kernel(); - - /* ALLOC_TRAMP flags lets us know we created it */ - ops->flags |= FTRACE_OPS_FL_ALLOC_TRAMP; -diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c -index f129a9a..af8f6da 100644 ---- a/arch/x86/kernel/head64.c -+++ b/arch/x86/kernel/head64.c -@@ -68,12 +68,12 @@ again: - pgd = *pgd_p; - - /* -- * The use of __START_KERNEL_map rather than __PAGE_OFFSET here is -- * critical -- __PAGE_OFFSET would point us back into the dynamic -+ * The use of __early_va rather than __va here is critical: -+ * __va would point us back into the dynamic - * range and we might end up looping forever... - */ - if (pgd) -- pud_p = (pudval_t *)((pgd & PTE_PFN_MASK) + __START_KERNEL_map - phys_base); -+ pud_p = (pudval_t *)(__early_va(pgd & PTE_PFN_MASK)); - else { - if (next_early_pgt >= EARLY_DYNAMIC_PAGE_TABLES) { - reset_early_page_tables(); -@@ -83,13 +83,13 @@ again: - pud_p = (pudval_t *)early_dynamic_pgts[next_early_pgt++]; - for (i = 0; i < PTRS_PER_PUD; i++) - pud_p[i] = 0; -- *pgd_p = (pgdval_t)pud_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE; -+ *pgd_p = (pgdval_t)__pa(pud_p) + _KERNPG_TABLE; - } - pud_p += pud_index(address); - pud = *pud_p; - - if (pud) -- pmd_p = (pmdval_t *)((pud & PTE_PFN_MASK) + __START_KERNEL_map - phys_base); -+ pmd_p = (pmdval_t *)(__early_va(pud & PTE_PFN_MASK)); - else { - if (next_early_pgt >= EARLY_DYNAMIC_PAGE_TABLES) { - reset_early_page_tables(); -@@ -99,7 +99,7 @@ again: - pmd_p = (pmdval_t *)early_dynamic_pgts[next_early_pgt++]; - for (i = 0; i < PTRS_PER_PMD; i++) - pmd_p[i] = 0; -- *pud_p = (pudval_t)pmd_p - __START_KERNEL_map + phys_base + _KERNPG_TABLE; -+ *pud_p = (pudval_t)__pa(pmd_p) + _KERNPG_TABLE; - } - pmd = (physaddr & PMD_MASK) + early_pmd_flags; - pmd_p[pmd_index(address)] = pmd; -@@ -163,8 +163,6 @@ asmlinkage __visible void __init x86_64_start_kernel(char * real_mode_data) - - clear_bss(); - -- clear_page(init_level4_pgt); -- - kasan_early_init(); - - for (i = 0; i < NUM_EXCEPTION_VECTORS; i++) -diff --git a/arch/x86/kernel/head_32.S b/arch/x86/kernel/head_32.S -index 7e429c9..7244a52 100644 ---- a/arch/x86/kernel/head_32.S -+++ b/arch/x86/kernel/head_32.S -@@ -27,6 +27,12 @@ - /* Physical address */ - #define pa(X) ((X) - __PAGE_OFFSET) - -+#ifdef CONFIG_PAX_KERNEXEC -+#define ta(X) (X) -+#else -+#define ta(X) ((X) - __PAGE_OFFSET) -+#endif -+ - /* - * References to members of the new_cpu_data structure. - */ -@@ -56,11 +62,7 @@ - * and small than max_low_pfn, otherwise will waste some page table entries - */ - --#if PTRS_PER_PMD > 1 --#define PAGE_TABLE_SIZE(pages) (((pages) / PTRS_PER_PMD) + PTRS_PER_PGD) --#else --#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PGD) --#endif -+#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PTE) - - /* - * Number of possible pages in the lowmem region. -@@ -86,6 +88,12 @@ INIT_MAP_SIZE = PAGE_TABLE_SIZE(KERNEL_PAGES) * PAGE_SIZE - RESERVE_BRK(pagetables, INIT_MAP_SIZE) - - /* -+ * Real beginning of normal "text" segment -+ */ -+ENTRY(stext) -+ENTRY(_stext) -+ -+/* - * 32-bit kernel entrypoint; only used by the boot CPU. On entry, - * %esi points to the real-mode code as a 32-bit pointer. - * CS and DS must be 4 GB flat segments, but we don't depend on -@@ -93,6 +101,13 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE) - * can. - */ - __HEAD -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ jmp startup_32 -+/* PaX: fill first page in .text with int3 to catch NULL derefs in kernel mode */ -+.fill PAGE_SIZE-5,1,0xcc -+#endif -+ - ENTRY(startup_32) - movl pa(stack_start),%ecx - -@@ -114,6 +129,59 @@ ENTRY(startup_32) - 2: - leal -__PAGE_OFFSET(%ecx),%esp - -+#ifdef CONFIG_SMP -+ movl $pa(cpu_gdt_table),%edi -+ movl $__per_cpu_load,%eax -+ movw %ax,GDT_ENTRY_PERCPU * 8 + 2(%edi) -+ rorl $16,%eax -+ movb %al,GDT_ENTRY_PERCPU * 8 + 4(%edi) -+ movb %ah,GDT_ENTRY_PERCPU * 8 + 7(%edi) -+ movl $__per_cpu_end - 1,%eax -+ subl $__per_cpu_start,%eax -+ movw %ax,GDT_ENTRY_PERCPU * 8 + 0(%edi) -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ movl $NR_CPUS,%ecx -+ movl $pa(cpu_gdt_table),%edi -+1: -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c09700),GDT_ENTRY_KERNEL_DS * 8 + 4(%edi) -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0fb00),GDT_ENTRY_DEFAULT_USER_CS * 8 + 4(%edi) -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0f300),GDT_ENTRY_DEFAULT_USER_DS * 8 + 4(%edi) -+ addl $PAGE_SIZE_asm,%edi -+ loop 1b -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ movl $pa(boot_gdt),%edi -+ movl $__LOAD_PHYSICAL_ADDR,%eax -+ movw %ax,GDT_ENTRY_BOOT_CS * 8 + 2(%edi) -+ rorl $16,%eax -+ movb %al,GDT_ENTRY_BOOT_CS * 8 + 4(%edi) -+ movb %ah,GDT_ENTRY_BOOT_CS * 8 + 7(%edi) -+ rorl $16,%eax -+ -+ ljmp $(__BOOT_CS),$1f -+1: -+ -+ movl $NR_CPUS,%ecx -+ movl $pa(cpu_gdt_table),%edi -+ addl $__PAGE_OFFSET,%eax -+1: -+ movb $0xc0,GDT_ENTRY_KERNEL_CS * 8 + 6(%edi) -+ movb $0xc0,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 6(%edi) -+ movw %ax,GDT_ENTRY_KERNEL_CS * 8 + 2(%edi) -+ movw %ax,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 2(%edi) -+ rorl $16,%eax -+ movb %al,GDT_ENTRY_KERNEL_CS * 8 + 4(%edi) -+ movb %al,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 4(%edi) -+ movb %ah,GDT_ENTRY_KERNEL_CS * 8 + 7(%edi) -+ movb %ah,GDT_ENTRY_KERNEXEC_KERNEL_CS * 8 + 7(%edi) -+ rorl $16,%eax -+ addl $PAGE_SIZE_asm,%edi -+ loop 1b -+#endif -+ - /* - * Clear BSS first so that there are no surprises... - */ -@@ -209,8 +277,11 @@ ENTRY(startup_32) - movl %eax, pa(max_pfn_mapped) - - /* Do early initialization of the fixmap area */ -- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax -- movl %eax,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#ifdef CONFIG_COMPAT_VDSO -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#else -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#endif - #else /* Not PAE */ - - page_pde_offset = (__PAGE_OFFSET >> 20); -@@ -240,8 +311,11 @@ page_pde_offset = (__PAGE_OFFSET >> 20); - movl %eax, pa(max_pfn_mapped) - - /* Do early initialization of the fixmap area */ -- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax -- movl %eax,pa(initial_page_table+0xffc) -+#ifdef CONFIG_COMPAT_VDSO -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_page_table+0xffc) -+#else -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_page_table+0xffc) -+#endif - #endif - - #ifdef CONFIG_PARAVIRT -@@ -255,9 +329,7 @@ page_pde_offset = (__PAGE_OFFSET >> 20); - cmpl $num_subarch_entries, %eax - jae bad_subarch - -- movl pa(subarch_entries)(,%eax,4), %eax -- subl $__PAGE_OFFSET, %eax -- jmp *%eax -+ jmp *pa(subarch_entries)(,%eax,4) - - bad_subarch: - WEAK(lguest_entry) -@@ -269,10 +341,10 @@ WEAK(xen_entry) - __INITDATA - - subarch_entries: -- .long default_entry /* normal x86/PC */ -- .long lguest_entry /* lguest hypervisor */ -- .long xen_entry /* Xen hypervisor */ -- .long default_entry /* Moorestown MID */ -+ .long ta(default_entry) /* normal x86/PC */ -+ .long ta(lguest_entry) /* lguest hypervisor */ -+ .long ta(xen_entry) /* Xen hypervisor */ -+ .long ta(default_entry) /* Moorestown MID */ - num_subarch_entries = (. - subarch_entries) / 4 - .previous - #else -@@ -362,6 +434,7 @@ default_entry: - movl pa(mmu_cr4_features),%eax - movl %eax,%cr4 - -+#ifdef CONFIG_X86_PAE - testb $X86_CR4_PAE, %al # check if PAE is enabled - jz enable_paging - -@@ -390,6 +463,9 @@ default_entry: - /* Make changes effective */ - wrmsr - -+ btsl $_PAGE_BIT_NX-32,pa(__supported_pte_mask+4) -+#endif -+ - enable_paging: - - /* -@@ -457,14 +533,20 @@ is486: - 1: movl $(__KERNEL_DS),%eax # reload all the segment registers - movl %eax,%ss # after changing gdt. - -- movl $(__USER_DS),%eax # DS/ES contains default USER segment -+# movl $(__KERNEL_DS),%eax # DS/ES contains default KERNEL segment - movl %eax,%ds - movl %eax,%es - - movl $(__KERNEL_PERCPU), %eax - movl %eax,%fs # set this cpu's percpu - -+#ifdef CONFIG_CC_STACKPROTECTOR - movl $(__KERNEL_STACK_CANARY),%eax -+#elif defined(CONFIG_PAX_MEMORY_UDEREF) -+ movl $(__USER_DS),%eax -+#else -+ xorl %eax,%eax -+#endif - movl %eax,%gs - - xorl %eax,%eax # Clear LDT -@@ -521,8 +603,11 @@ setup_once: - * relocation. Manually set base address in stack canary - * segment descriptor. - */ -- movl $gdt_page,%eax -+ movl $cpu_gdt_table,%eax - movl $stack_canary,%ecx -+#ifdef CONFIG_SMP -+ addl $__per_cpu_load,%ecx -+#endif - movw %cx, 8 * GDT_ENTRY_STACK_CANARY + 2(%eax) - shrl $16, %ecx - movb %cl, 8 * GDT_ENTRY_STACK_CANARY + 4(%eax) -@@ -559,7 +644,7 @@ early_idt_handler_common: - cmpl $2,(%esp) # X86_TRAP_NMI - je is_nmi # Ignore NMI - -- cmpl $2,%ss:early_recursion_flag -+ cmpl $1,%ss:early_recursion_flag - je hlt_loop - incl %ss:early_recursion_flag - -@@ -597,8 +682,8 @@ early_idt_handler_common: - pushl (20+6*4)(%esp) /* trapno */ - pushl $fault_msg - call printk --#endif - call dump_stack -+#endif - hlt_loop: - hlt - jmp hlt_loop -@@ -618,8 +703,11 @@ ENDPROC(early_idt_handler_common) - /* This is the default interrupt "handler" :-) */ - ALIGN - ignore_int: -- cld - #ifdef CONFIG_PRINTK -+ cmpl $2,%ss:early_recursion_flag -+ je hlt_loop -+ incl %ss:early_recursion_flag -+ cld - pushl %eax - pushl %ecx - pushl %edx -@@ -628,9 +716,6 @@ ignore_int: - movl $(__KERNEL_DS),%eax - movl %eax,%ds - movl %eax,%es -- cmpl $2,early_recursion_flag -- je hlt_loop -- incl early_recursion_flag - pushl 16(%esp) - pushl 24(%esp) - pushl 32(%esp) -@@ -664,29 +749,34 @@ ENTRY(setup_once_ref) - /* - * BSS section - */ --__PAGE_ALIGNED_BSS -- .align PAGE_SIZE - #ifdef CONFIG_X86_PAE -+.section .initial_pg_pmd,"a",@progbits - initial_pg_pmd: - .fill 1024*KPMDS,4,0 - #else -+.section .initial_page_table,"a",@progbits - ENTRY(initial_page_table) - .fill 1024,4,0 - #endif -+.section .initial_pg_fixmap,"a",@progbits - initial_pg_fixmap: - .fill 1024,4,0 -+.section .empty_zero_page,"a",@progbits - ENTRY(empty_zero_page) - .fill 4096,1,0 -+.section .swapper_pg_dir,"a",@progbits - ENTRY(swapper_pg_dir) -+#ifdef CONFIG_X86_PAE -+ .fill 4,8,0 -+#else - .fill 1024,4,0 -+#endif - - /* - * This starts the data section. - */ - #ifdef CONFIG_X86_PAE --__PAGE_ALIGNED_DATA -- /* Page-aligned for the benefit of paravirt? */ -- .align PAGE_SIZE -+.section .initial_page_table,"a",@progbits - ENTRY(initial_page_table) - .long pa(initial_pg_pmd+PGD_IDENT_ATTR),0 /* low identity map */ - # if KPMDS == 3 -@@ -705,12 +795,20 @@ ENTRY(initial_page_table) - # error "Kernel PMDs should be 1, 2 or 3" - # endif - .align PAGE_SIZE /* needs to be page-sized too */ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ENTRY(cpu_pgd) -+ .rept 2*NR_CPUS -+ .fill 4,8,0 -+ .endr -+#endif -+ - #endif - - .data - .balign 4 - ENTRY(stack_start) -- .long init_thread_union+THREAD_SIZE -+ .long init_thread_union+THREAD_SIZE-8 - - __INITRODATA - int_msg: -@@ -738,7 +836,7 @@ fault_msg: - * segment size, and 32-bit linear address value: - */ - -- .data -+.section .rodata,"a",@progbits - .globl boot_gdt_descr - .globl idt_descr - -@@ -747,7 +845,7 @@ fault_msg: - .word 0 # 32 bit align gdt_desc.address - boot_gdt_descr: - .word __BOOT_DS+7 -- .long boot_gdt - __PAGE_OFFSET -+ .long pa(boot_gdt) - - .word 0 # 32-bit align idt_desc.address - idt_descr: -@@ -758,7 +856,7 @@ idt_descr: - .word 0 # 32 bit align gdt_desc.address - ENTRY(early_gdt_descr) - .word GDT_ENTRIES*8-1 -- .long gdt_page /* Overwritten for secondary CPUs */ -+ .long cpu_gdt_table /* Overwritten for secondary CPUs */ - - /* - * The boot_gdt must mirror the equivalent in setup.S and is -@@ -767,5 +865,65 @@ ENTRY(early_gdt_descr) - .align L1_CACHE_BYTES - ENTRY(boot_gdt) - .fill GDT_ENTRY_BOOT_CS,8,0 -- .quad 0x00cf9a000000ffff /* kernel 4GB code at 0x00000000 */ -- .quad 0x00cf92000000ffff /* kernel 4GB data at 0x00000000 */ -+ .quad 0x00cf9b000000ffff /* kernel 4GB code at 0x00000000 */ -+ .quad 0x00cf93000000ffff /* kernel 4GB data at 0x00000000 */ -+ -+ .align PAGE_SIZE_asm -+ENTRY(cpu_gdt_table) -+ .rept NR_CPUS -+ .quad 0x0000000000000000 /* NULL descriptor */ -+ .quad 0x0000000000000000 /* 0x0b reserved */ -+ .quad 0x0000000000000000 /* 0x13 reserved */ -+ .quad 0x0000000000000000 /* 0x1b reserved */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .quad 0x00cf9b000000ffff /* 0x20 alternate kernel 4GB code at 0x00000000 */ -+#else -+ .quad 0x0000000000000000 /* 0x20 unused */ -+#endif -+ -+ .quad 0x0000000000000000 /* 0x28 unused */ -+ .quad 0x0000000000000000 /* 0x33 TLS entry 1 */ -+ .quad 0x0000000000000000 /* 0x3b TLS entry 2 */ -+ .quad 0x0000000000000000 /* 0x43 TLS entry 3 */ -+ .quad 0x0000000000000000 /* 0x4b reserved */ -+ .quad 0x0000000000000000 /* 0x53 reserved */ -+ .quad 0x0000000000000000 /* 0x5b reserved */ -+ -+ .quad 0x00cf9b000000ffff /* 0x60 kernel 4GB code at 0x00000000 */ -+ .quad 0x00cf93000000ffff /* 0x68 kernel 4GB data at 0x00000000 */ -+ .quad 0x00cffb000000ffff /* 0x73 user 4GB code at 0x00000000 */ -+ .quad 0x00cff3000000ffff /* 0x7b user 4GB data at 0x00000000 */ -+ -+ .quad 0x0000000000000000 /* 0x80 TSS descriptor */ -+ .quad 0x0000000000000000 /* 0x88 LDT descriptor */ -+ -+ /* -+ * Segments used for calling PnP BIOS have byte granularity. -+ * The code segments and data segments have fixed 64k limits, -+ * the transfer segment sizes are set at run time. -+ */ -+ .quad 0x00409b000000ffff /* 0x90 32-bit code */ -+ .quad 0x00009b000000ffff /* 0x98 16-bit code */ -+ .quad 0x000093000000ffff /* 0xa0 16-bit data */ -+ .quad 0x0000930000000000 /* 0xa8 16-bit data */ -+ .quad 0x0000930000000000 /* 0xb0 16-bit data */ -+ -+ /* -+ * The APM segments have byte granularity and their bases -+ * are set at run time. All have 64k limits. -+ */ -+ .quad 0x00409b000000ffff /* 0xb8 APM CS code */ -+ .quad 0x00009b000000ffff /* 0xc0 APM CS 16 code (16 bit) */ -+ .quad 0x004093000000ffff /* 0xc8 APM DS data */ -+ -+ .quad 0x00c093000000ffff /* 0xd0 - ESPFIX SS */ -+ .quad 0x0040930000000000 /* 0xd8 - PERCPU */ -+ .quad 0x0040910000000017 /* 0xe0 - STACK_CANARY */ -+ .quad 0x0000000000000000 /* 0xe8 - PCIBIOS_CS */ -+ .quad 0x0000000000000000 /* 0xf0 - PCIBIOS_DS */ -+ .quad 0x0000000000000000 /* 0xf8 - GDT entry 31: double-fault TSS */ -+ -+ /* Be sure this is zeroed to avoid false validations in Xen */ -+ .fill PAGE_SIZE_asm - GDT_SIZE,1,0 -+ .endr -diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S -index 7e5da2c..761adf1 100644 ---- a/arch/x86/kernel/head_64.S -+++ b/arch/x86/kernel/head_64.S -@@ -20,6 +20,8 @@ - #include <asm/processor-flags.h> - #include <asm/percpu.h> - #include <asm/nops.h> -+#include <asm/cpufeature.h> -+#include <asm/alternative-asm.h> - - #ifdef CONFIG_PARAVIRT - #include <asm/asm-offsets.h> -@@ -41,6 +43,12 @@ L4_PAGE_OFFSET = pgd_index(__PAGE_OFFSET) - L3_PAGE_OFFSET = pud_index(__PAGE_OFFSET) - L4_START_KERNEL = pgd_index(__START_KERNEL_map) - L3_START_KERNEL = pud_index(__START_KERNEL_map) -+L4_VMALLOC_START = pgd_index(VMALLOC_START) -+L3_VMALLOC_START = pud_index(VMALLOC_START) -+L4_VMALLOC_END = pgd_index(VMALLOC_END) -+L3_VMALLOC_END = pud_index(VMALLOC_END) -+L4_VMEMMAP_START = pgd_index(VMEMMAP_START) -+L3_VMEMMAP_START = pud_index(VMEMMAP_START) - - .text - __HEAD -@@ -89,11 +97,26 @@ startup_64: - * Fixup the physical addresses in the page table - */ - addq %rbp, early_level4_pgt + (L4_START_KERNEL*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_PAGE_OFFSET*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMALLOC_START*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMALLOC_END*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMEMMAP_START*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_START_KERNEL*8)(%rip) - -- addq %rbp, level3_kernel_pgt + (510*8)(%rip) -- addq %rbp, level3_kernel_pgt + (511*8)(%rip) -+ addq %rbp, level3_ident_pgt + (0*8)(%rip) -+#ifndef CONFIG_XEN -+ addq %rbp, level3_ident_pgt + (1*8)(%rip) -+#endif - -+ addq %rbp, level3_vmemmap_pgt + (L3_VMEMMAP_START*8)(%rip) -+ -+ addq %rbp, level3_kernel_pgt + (L3_START_KERNEL*8)(%rip) -+ addq %rbp, level3_kernel_pgt + ((L3_START_KERNEL+1)*8)(%rip) -+ -+ addq %rbp, level2_fixmap_pgt + (504*8)(%rip) -+ addq %rbp, level2_fixmap_pgt + (505*8)(%rip) - addq %rbp, level2_fixmap_pgt + (506*8)(%rip) -+ addq %rbp, level2_fixmap_pgt + (507*8)(%rip) - - /* - * Set up the identity mapping for the switchover. These -@@ -174,11 +197,12 @@ ENTRY(secondary_startup_64) - * after the boot processor executes this code. - */ - -+ orq $-1, %rbp - movq $(init_level4_pgt - __START_KERNEL_map), %rax - 1: - -- /* Enable PAE mode and PGE */ -- movl $(X86_CR4_PAE | X86_CR4_PGE), %ecx -+ /* Enable PAE mode and PSE/PGE */ -+ movl $(X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE), %ecx - movq %rcx, %cr4 - - /* Setup early boot stage 4 level pagetables. */ -@@ -199,10 +223,21 @@ ENTRY(secondary_startup_64) - movl $MSR_EFER, %ecx - rdmsr - btsl $_EFER_SCE, %eax /* Enable System Call */ -- btl $20,%edi /* No Execute supported? */ -+ btl $(X86_FEATURE_NX & 31),%edi /* No Execute supported? */ - jnc 1f - btsl $_EFER_NX, %eax -+ cmpq $-1, %rbp -+ je 1f - btsq $_PAGE_BIT_NX,early_pmd_flags(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_PAGE_OFFSET(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_VMALLOC_START(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_VMALLOC_END(%rip) -+ btsq $_PAGE_BIT_NX, init_level4_pgt + 8*L4_VMEMMAP_START(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*504(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*505(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*506(%rip) -+ btsq $_PAGE_BIT_NX, level2_fixmap_pgt + 8*507(%rip) -+ btsq $_PAGE_BIT_NX, __supported_pte_mask(%rip) - 1: wrmsr /* Make changes effective */ - - /* Setup cr0 */ -@@ -282,6 +317,7 @@ ENTRY(secondary_startup_64) - * REX.W + FF /5 JMP m16:64 Jump far, absolute indirect, - * address given in m16:64. - */ -+ pax_set_fptr_mask - movq initial_code(%rip),%rax - pushq $0 # fake return address to stop unwinder - pushq $__KERNEL_CS # set correct cs -@@ -313,7 +349,7 @@ ENDPROC(start_cpu0) - .quad INIT_PER_CPU_VAR(irq_stack_union) - - GLOBAL(stack_start) -- .quad init_thread_union+THREAD_SIZE-8 -+ .quad init_thread_union+THREAD_SIZE-16 - .word 0 - __FINITDATA - -@@ -393,7 +429,7 @@ early_idt_handler_common: - call dump_stack - #ifdef CONFIG_KALLSYMS - leaq early_idt_ripmsg(%rip),%rdi -- movq 40(%rsp),%rsi # %rip again -+ movq 88(%rsp),%rsi # %rip again - call __print_symbol - #endif - #endif /* EARLY_PRINTK */ -@@ -422,6 +458,7 @@ ENDPROC(early_idt_handler_common) - early_recursion_flag: - .long 0 - -+ .section .rodata,"a",@progbits - #ifdef CONFIG_EARLY_PRINTK - early_idt_msg: - .asciz "PANIC: early exception %02lx rip %lx:%lx error %lx cr2 %lx\n" -@@ -449,29 +486,52 @@ NEXT_PAGE(early_level4_pgt) - NEXT_PAGE(early_dynamic_pgts) - .fill 512*EARLY_DYNAMIC_PAGE_TABLES,8,0 - -- .data -+ .section .rodata,"a",@progbits - --#ifndef CONFIG_XEN - NEXT_PAGE(init_level4_pgt) -- .fill 512,8,0 --#else --NEXT_PAGE(init_level4_pgt) -- .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE - .org init_level4_pgt + L4_PAGE_OFFSET*8, 0 - .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ .org init_level4_pgt + L4_VMALLOC_START*8, 0 -+ .quad level3_vmalloc_start_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ .org init_level4_pgt + L4_VMALLOC_END*8, 0 -+ .quad level3_vmalloc_end_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ .org init_level4_pgt + L4_VMEMMAP_START*8, 0 -+ .quad level3_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE - .org init_level4_pgt + L4_START_KERNEL*8, 0 - /* (2^48-(2*1024*1024*1024))/(2^39) = 511 */ - .quad level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+NEXT_PAGE(cpu_pgd) -+ .rept 2*NR_CPUS -+ .fill 512,8,0 -+ .endr -+#endif -+ - NEXT_PAGE(level3_ident_pgt) - .quad level2_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE -+#ifdef CONFIG_XEN - .fill 511, 8, 0 -+#else -+ .quad level2_ident_pgt + PAGE_SIZE - __START_KERNEL_map + _KERNPG_TABLE -+ .fill 510,8,0 -+#endif -+ -+NEXT_PAGE(level3_vmalloc_start_pgt) -+ .fill 512,8,0 -+ -+NEXT_PAGE(level3_vmalloc_end_pgt) -+ .fill 512,8,0 -+ -+NEXT_PAGE(level3_vmemmap_pgt) -+ .fill L3_VMEMMAP_START,8,0 -+ .quad level2_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ - NEXT_PAGE(level2_ident_pgt) -- /* Since I easily can, map the first 1G. -+ /* Since I easily can, map the first 2G. - * Don't set NX because code runs from these pages. - */ -- PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD) --#endif -+ PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, 2*PTRS_PER_PMD) - - NEXT_PAGE(level3_kernel_pgt) - .fill L3_START_KERNEL,8,0 -@@ -479,6 +539,9 @@ NEXT_PAGE(level3_kernel_pgt) - .quad level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE - .quad level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE - -+NEXT_PAGE(level2_vmemmap_pgt) -+ .fill 512,8,0 -+ - NEXT_PAGE(level2_kernel_pgt) - /* - * 512 MB kernel mapping. We spend a full page on this pagetable -@@ -494,31 +557,69 @@ NEXT_PAGE(level2_kernel_pgt) - KERNEL_IMAGE_SIZE/PMD_SIZE) - - NEXT_PAGE(level2_fixmap_pgt) -- .fill 506,8,0 -- .quad level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE -- /* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */ -- .fill 5,8,0 -+ .fill 504,8,0 -+ .quad level1_fixmap_pgt - __START_KERNEL_map + 0 * PAGE_SIZE + _PAGE_TABLE -+ .quad level1_fixmap_pgt - __START_KERNEL_map + 1 * PAGE_SIZE + _PAGE_TABLE -+ .quad level1_fixmap_pgt - __START_KERNEL_map + 2 * PAGE_SIZE + _PAGE_TABLE -+ .quad level1_vsyscall_pgt - __START_KERNEL_map + _PAGE_TABLE -+ /* 6MB reserved for vsyscalls + a 2MB hole = 3 + 1 entries */ -+ .fill 4,8,0 - - NEXT_PAGE(level1_fixmap_pgt) -+ .fill 3*512,8,0 -+ -+NEXT_PAGE(level1_vsyscall_pgt) - .fill 512,8,0 - - #undef PMDS - -- .data -+ .align PAGE_SIZE -+ENTRY(cpu_gdt_table) -+ .rept NR_CPUS -+ .quad 0x0000000000000000 /* NULL descriptor */ -+ .quad 0x00cf9b000000ffff /* __KERNEL32_CS */ -+ .quad 0x00af9b000000ffff /* __KERNEL_CS */ -+ .quad 0x00cf93000000ffff /* __KERNEL_DS */ -+ .quad 0x00cffb000000ffff /* __USER32_CS */ -+ .quad 0x00cff3000000ffff /* __USER_DS, __USER32_DS */ -+ .quad 0x00affb000000ffff /* __USER_CS */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .quad 0x00af9b000000ffff /* __KERNEXEC_KERNEL_CS */ -+#else -+ .quad 0x0 /* unused */ -+#endif -+ -+ .quad 0,0 /* TSS */ -+ .quad 0,0 /* LDT */ -+ .quad 0,0,0 /* three TLS descriptors */ -+ .quad 0x0000f40000000000 /* node/CPU stored in limit */ -+ /* asm/segment.h:GDT_ENTRIES must match this */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ .quad 0x00cf93000000ffff /* __UDEREF_KERNEL_DS */ -+#else -+ .quad 0x0 /* unused */ -+#endif -+ -+ /* zero the remaining page */ -+ .fill PAGE_SIZE / 8 - GDT_ENTRIES,8,0 -+ .endr -+ - .align 16 - .globl early_gdt_descr - early_gdt_descr: - .word GDT_ENTRIES*8-1 - early_gdt_descr_base: -- .quad INIT_PER_CPU_VAR(gdt_page) -+ .quad cpu_gdt_table - - ENTRY(phys_base) - /* This must match the first entry in level2_kernel_pgt */ - .quad 0x0000000000000000 - - #include "../../x86/xen/xen-head.S" -- -- __PAGE_ALIGNED_BSS -+ -+ .section .rodata,"a",@progbits - NEXT_PAGE(empty_zero_page) - .skip PAGE_SIZE - -diff --git a/arch/x86/kernel/i386_ksyms_32.c b/arch/x86/kernel/i386_ksyms_32.c -index 05fd74f..c3548b1 100644 ---- a/arch/x86/kernel/i386_ksyms_32.c -+++ b/arch/x86/kernel/i386_ksyms_32.c -@@ -20,8 +20,12 @@ extern void cmpxchg8b_emu(void); - EXPORT_SYMBOL(cmpxchg8b_emu); - #endif - -+EXPORT_SYMBOL_GPL(cpu_gdt_table); -+ - /* Networking helper routines. */ - EXPORT_SYMBOL(csum_partial_copy_generic); -+EXPORT_SYMBOL(csum_partial_copy_generic_to_user); -+EXPORT_SYMBOL(csum_partial_copy_generic_from_user); - - EXPORT_SYMBOL(__get_user_1); - EXPORT_SYMBOL(__get_user_2); -@@ -44,3 +48,11 @@ EXPORT_SYMBOL(___preempt_schedule); - EXPORT_SYMBOL(___preempt_schedule_context); - #endif - #endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+EXPORT_SYMBOL(__LOAD_PHYSICAL_ADDR); -+#endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+EXPORT_SYMBOL(cpu_pgd); -+#endif -diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c -index e7cc537..67d7372 100644 ---- a/arch/x86/kernel/i8259.c -+++ b/arch/x86/kernel/i8259.c -@@ -110,7 +110,7 @@ static int i8259A_irq_pending(unsigned int irq) - static void make_8259A_irq(unsigned int irq) - { - disable_irq_nosync(irq); -- io_apic_irqs &= ~(1<<irq); -+ io_apic_irqs &= ~(1UL<<irq); - irq_set_chip_and_handler(irq, &i8259A_chip, handle_level_irq); - enable_irq(irq); - } -@@ -208,7 +208,7 @@ spurious_8259A_irq: - "spurious 8259A interrupt: IRQ%d.\n", irq); - spurious_irq_mask |= irqmask; - } -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - /* - * Theoretically we do not have to handle this IRQ, - * but in Linux this does not cause problems and is -@@ -349,14 +349,16 @@ static void init_8259A(int auto_eoi) - /* (slave's support for AEOI in flat mode is to be investigated) */ - outb_pic(SLAVE_ICW4_DEFAULT, PIC_SLAVE_IMR); - -+ pax_open_kernel(); - if (auto_eoi) - /* - * In AEOI mode we just have to mask the interrupt - * when acking. - */ -- i8259A_chip.irq_mask_ack = disable_8259A_irq; -+ *(void **)&i8259A_chip.irq_mask_ack = disable_8259A_irq; - else -- i8259A_chip.irq_mask_ack = mask_and_ack_8259A; -+ *(void **)&i8259A_chip.irq_mask_ack = mask_and_ack_8259A; -+ pax_close_kernel(); - - udelay(100); /* wait for 8259A to initialize */ - -diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c -index a979b5b..1d6db75 100644 ---- a/arch/x86/kernel/io_delay.c -+++ b/arch/x86/kernel/io_delay.c -@@ -58,7 +58,7 @@ static int __init dmi_io_delay_0xed_port(const struct dmi_system_id *id) - * Quirk table for systems that misbehave (lock up, etc.) if port - * 0x80 is used: - */ --static struct dmi_system_id __initdata io_delay_0xed_port_dmi_table[] = { -+static const struct dmi_system_id __initconst io_delay_0xed_port_dmi_table[] = { - { - .callback = dmi_io_delay_0xed_port, - .ident = "Compaq Presario V6000", -diff --git a/arch/x86/kernel/ioport.c b/arch/x86/kernel/ioport.c -index 37dae79..620dd84 100644 ---- a/arch/x86/kernel/ioport.c -+++ b/arch/x86/kernel/ioport.c -@@ -6,6 +6,7 @@ - #include <linux/sched.h> - #include <linux/kernel.h> - #include <linux/capability.h> -+#include <linux/security.h> - #include <linux/errno.h> - #include <linux/types.h> - #include <linux/ioport.h> -@@ -30,6 +31,12 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on) - return -EINVAL; - if (turn_on && !capable(CAP_SYS_RAWIO)) - return -EPERM; -+#ifdef CONFIG_GRKERNSEC_IO -+ if (turn_on && grsec_disable_privio) { -+ gr_handle_ioperm(); -+ return -ENODEV; -+ } -+#endif - - /* - * If it's the first ioperm() call in this thread's lifetime, set the -@@ -54,7 +61,7 @@ asmlinkage long sys_ioperm(unsigned long from, unsigned long num, int turn_on) - * because the ->io_bitmap_max value must match the bitmap - * contents: - */ -- tss = &per_cpu(cpu_tss, get_cpu()); -+ tss = cpu_tss + get_cpu(); - - if (turn_on) - bitmap_clear(t->io_bitmap_ptr, from, num); -@@ -105,6 +112,12 @@ SYSCALL_DEFINE1(iopl, unsigned int, level) - if (level > old) { - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; -+#ifdef CONFIG_GRKERNSEC_IO -+ if (grsec_disable_privio) { -+ gr_handle_iopl(); -+ return -ENODEV; -+ } -+#endif - } - regs->flags = (regs->flags & ~X86_EFLAGS_IOPL) | (level << 12); - t->iopl = level << 12; -diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c -index e5952c2..11c3a54 100644 ---- a/arch/x86/kernel/irq.c -+++ b/arch/x86/kernel/irq.c -@@ -22,7 +22,7 @@ - #define CREATE_TRACE_POINTS - #include <asm/trace/irq_vectors.h> - --atomic_t irq_err_count; -+atomic_unchecked_t irq_err_count; - - /* Function pointer for generic interrupt vector handling */ - void (*x86_platform_ipi_callback)(void) = NULL; -@@ -132,9 +132,9 @@ int arch_show_interrupts(struct seq_file *p, int prec) - seq_printf(p, "%10u ", irq_stats(j)->irq_hv_callback_count); - seq_puts(p, " Hypervisor callback interrupts\n"); - #endif -- seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); -+ seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read_unchecked(&irq_err_count)); - #if defined(CONFIG_X86_IO_APIC) -- seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count)); -+ seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read_unchecked(&irq_mis_count)); - #endif - return 0; - } -@@ -174,7 +174,7 @@ u64 arch_irq_stat_cpu(unsigned int cpu) - - u64 arch_irq_stat(void) - { -- u64 sum = atomic_read(&irq_err_count); -+ u64 sum = atomic_read_unchecked(&irq_err_count); - return sum; - } - -diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c -index f9fd86a..e6cc9ae 100644 ---- a/arch/x86/kernel/irq_32.c -+++ b/arch/x86/kernel/irq_32.c -@@ -29,6 +29,8 @@ EXPORT_PER_CPU_SYMBOL(irq_regs); - - #ifdef CONFIG_DEBUG_STACKOVERFLOW - -+extern void gr_handle_kernel_exploit(void); -+ - int sysctl_panic_on_stackoverflow __read_mostly; - - /* Debugging check for stack overflow: is there less than 1KB free? */ -@@ -39,13 +41,14 @@ static int check_stack_overflow(void) - __asm__ __volatile__("andl %%esp,%0" : - "=r" (sp) : "0" (THREAD_SIZE - 1)); - -- return sp < (sizeof(struct thread_info) + STACK_WARN); -+ return sp < STACK_WARN; - } - - static void print_stack_overflow(void) - { - printk(KERN_WARNING "low stack detected by irq handler\n"); - dump_stack(); -+ gr_handle_kernel_exploit(); - if (sysctl_panic_on_stackoverflow) - panic("low stack detected by irq handler - check messages\n"); - } -@@ -77,10 +80,9 @@ static inline void *current_stack(void) - static inline int - execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) - { -- struct irq_stack *curstk, *irqstk; -+ struct irq_stack *irqstk; - u32 *isp, *prev_esp, arg1, arg2; - -- curstk = (struct irq_stack *) current_stack(); - irqstk = __this_cpu_read(hardirq_stack); - - /* -@@ -89,15 +91,19 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) - * handler) we can't do that and just have to keep using the - * current stack (which is the irq stack already after all) - */ -- if (unlikely(curstk == irqstk)) -+ if (unlikely((void *)current_stack_pointer - (void *)irqstk < THREAD_SIZE)) - return 0; - -- isp = (u32 *) ((char *)irqstk + sizeof(*irqstk)); -+ isp = (u32 *) ((char *)irqstk + sizeof(*irqstk) - 8); - - /* Save the next esp at the bottom of the stack */ - prev_esp = (u32 *)irqstk; - *prev_esp = current_stack_pointer(); - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(MAKE_MM_SEG(0)); -+#endif -+ - if (unlikely(overflow)) - call_on_stack(print_stack_overflow, isp); - -@@ -108,6 +114,11 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) - : "0" (irq), "1" (desc), "2" (isp), - "D" (desc->handle_irq) - : "memory", "cc", "ecx"); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - return 1; - } - -@@ -116,32 +127,18 @@ execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) - */ - void irq_ctx_init(int cpu) - { -- struct irq_stack *irqstk; -- - if (per_cpu(hardirq_stack, cpu)) - return; - -- irqstk = page_address(alloc_pages_node(cpu_to_node(cpu), -- THREADINFO_GFP, -- THREAD_SIZE_ORDER)); -- per_cpu(hardirq_stack, cpu) = irqstk; -- -- irqstk = page_address(alloc_pages_node(cpu_to_node(cpu), -- THREADINFO_GFP, -- THREAD_SIZE_ORDER)); -- per_cpu(softirq_stack, cpu) = irqstk; -- -- printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n", -- cpu, per_cpu(hardirq_stack, cpu), per_cpu(softirq_stack, cpu)); -+ per_cpu(hardirq_stack, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER)); -+ per_cpu(softirq_stack, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREADINFO_GFP, THREAD_SIZE_ORDER)); - } - - void do_softirq_own_stack(void) - { -- struct thread_info *curstk; - struct irq_stack *irqstk; - u32 *isp, *prev_esp; - -- curstk = current_stack(); - irqstk = __this_cpu_read(softirq_stack); - - /* build the stack frame on the softirq stack */ -@@ -151,7 +148,16 @@ void do_softirq_own_stack(void) - prev_esp = (u32 *)irqstk; - *prev_esp = current_stack_pointer(); - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(MAKE_MM_SEG(0)); -+#endif -+ - call_on_stack(__do_softirq, isp); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - } - - bool handle_irq(unsigned irq, struct pt_regs *regs) -diff --git a/arch/x86/kernel/irq_64.c b/arch/x86/kernel/irq_64.c -index 394e643..824fce8 100644 ---- a/arch/x86/kernel/irq_64.c -+++ b/arch/x86/kernel/irq_64.c -@@ -26,6 +26,8 @@ EXPORT_PER_CPU_SYMBOL(irq_stat); - DEFINE_PER_CPU(struct pt_regs *, irq_regs); - EXPORT_PER_CPU_SYMBOL(irq_regs); - -+extern void gr_handle_kernel_exploit(void); -+ - int sysctl_panic_on_stackoverflow; - - /* -@@ -69,6 +71,8 @@ static inline void stack_overflow_check(struct pt_regs *regs) - irq_stack_top, irq_stack_bottom, - estack_top, estack_bottom); - -+ gr_handle_kernel_exploit(); -+ - if (sysctl_panic_on_stackoverflow) - panic("low stack detected by irq handler - check messages\n"); - #endif -diff --git a/arch/x86/kernel/jump_label.c b/arch/x86/kernel/jump_label.c -index 26d5a55..bf8b49b 100644 ---- a/arch/x86/kernel/jump_label.c -+++ b/arch/x86/kernel/jump_label.c -@@ -31,6 +31,8 @@ static void bug_at(unsigned char *ip, int line) - * Something went wrong. Crash the box, as something could be - * corrupting the kernel. - */ -+ ip = ktla_ktva(ip); -+ pr_warning("Unexpected op at %pS [%p] %s:%d\n", ip, ip, __FILE__, line); - pr_warning("Unexpected op at %pS [%p] (%02x %02x %02x %02x %02x) %s:%d\n", - ip, ip, ip[0], ip[1], ip[2], ip[3], ip[4], __FILE__, line); - BUG(); -@@ -51,7 +53,7 @@ static void __jump_label_transform(struct jump_entry *entry, - * Jump label is enabled for the first time. - * So we expect a default_nop... - */ -- if (unlikely(memcmp((void *)entry->code, default_nop, 5) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), default_nop, 5) - != 0)) - bug_at((void *)entry->code, __LINE__); - } else { -@@ -59,7 +61,7 @@ static void __jump_label_transform(struct jump_entry *entry, - * ...otherwise expect an ideal_nop. Otherwise - * something went horribly wrong. - */ -- if (unlikely(memcmp((void *)entry->code, ideal_nop, 5) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), ideal_nop, 5) - != 0)) - bug_at((void *)entry->code, __LINE__); - } -@@ -75,13 +77,13 @@ static void __jump_label_transform(struct jump_entry *entry, - * are converting the default nop to the ideal nop. - */ - if (init) { -- if (unlikely(memcmp((void *)entry->code, default_nop, 5) != 0)) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), default_nop, 5) != 0)) - bug_at((void *)entry->code, __LINE__); - } else { - code.jump = 0xe9; - code.offset = entry->target - - (entry->code + JUMP_LABEL_NOP_SIZE); -- if (unlikely(memcmp((void *)entry->code, &code, 5) != 0)) -+ if (unlikely(memcmp((void *)ktla_ktva(entry->code), &code, 5) != 0)) - bug_at((void *)entry->code, __LINE__); - } - memcpy(&code, ideal_nops[NOP_ATOMIC5], JUMP_LABEL_NOP_SIZE); -diff --git a/arch/x86/kernel/kgdb.c b/arch/x86/kernel/kgdb.c -index d6178d9..e12482f 100644 ---- a/arch/x86/kernel/kgdb.c -+++ b/arch/x86/kernel/kgdb.c -@@ -228,7 +228,10 @@ static void kgdb_correct_hw_break(void) - bp->attr.bp_addr = breakinfo[breakno].addr; - bp->attr.bp_len = breakinfo[breakno].len; - bp->attr.bp_type = breakinfo[breakno].type; -- info->address = breakinfo[breakno].addr; -+ if (breakinfo[breakno].type == X86_BREAKPOINT_EXECUTE) -+ info->address = ktla_ktva(breakinfo[breakno].addr); -+ else -+ info->address = breakinfo[breakno].addr; - info->len = breakinfo[breakno].len; - info->type = breakinfo[breakno].type; - val = arch_install_hw_breakpoint(bp); -@@ -475,12 +478,12 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, - case 'k': - /* clear the trace bit */ - linux_regs->flags &= ~X86_EFLAGS_TF; -- atomic_set(&kgdb_cpu_doing_single_step, -1); -+ atomic_set_unchecked(&kgdb_cpu_doing_single_step, -1); - - /* set the trace bit if we're stepping */ - if (remcomInBuffer[0] == 's') { - linux_regs->flags |= X86_EFLAGS_TF; -- atomic_set(&kgdb_cpu_doing_single_step, -+ atomic_set_unchecked(&kgdb_cpu_doing_single_step, - raw_smp_processor_id()); - } - -@@ -545,7 +548,7 @@ static int __kgdb_notify(struct die_args *args, unsigned long cmd) - - switch (cmd) { - case DIE_DEBUG: -- if (atomic_read(&kgdb_cpu_doing_single_step) != -1) { -+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) { - if (user_mode(regs)) - return single_step_cont(regs, args); - break; -@@ -750,11 +753,11 @@ int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) - #endif /* CONFIG_DEBUG_RODATA */ - - bpt->type = BP_BREAKPOINT; -- err = probe_kernel_read(bpt->saved_instr, (char *)bpt->bpt_addr, -+ err = probe_kernel_read(bpt->saved_instr, ktla_ktva((char *)bpt->bpt_addr), - BREAK_INSTR_SIZE); - if (err) - return err; -- err = probe_kernel_write((char *)bpt->bpt_addr, -+ err = probe_kernel_write(ktla_ktva((char *)bpt->bpt_addr), - arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE); - #ifdef CONFIG_DEBUG_RODATA - if (!err) -@@ -767,7 +770,7 @@ int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt) - return -EBUSY; - text_poke((void *)bpt->bpt_addr, arch_kgdb_ops.gdb_bpt_instr, - BREAK_INSTR_SIZE); -- err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE); -+ err = probe_kernel_read(opc, ktla_ktva((char *)bpt->bpt_addr), BREAK_INSTR_SIZE); - if (err) - return err; - if (memcmp(opc, arch_kgdb_ops.gdb_bpt_instr, BREAK_INSTR_SIZE)) -@@ -792,13 +795,13 @@ int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt) - if (mutex_is_locked(&text_mutex)) - goto knl_write; - text_poke((void *)bpt->bpt_addr, bpt->saved_instr, BREAK_INSTR_SIZE); -- err = probe_kernel_read(opc, (char *)bpt->bpt_addr, BREAK_INSTR_SIZE); -+ err = probe_kernel_read(opc, ktla_ktva((char *)bpt->bpt_addr), BREAK_INSTR_SIZE); - if (err || memcmp(opc, bpt->saved_instr, BREAK_INSTR_SIZE)) - goto knl_write; - return err; - knl_write: - #endif /* CONFIG_DEBUG_RODATA */ -- return probe_kernel_write((char *)bpt->bpt_addr, -+ return probe_kernel_write(ktla_ktva((char *)bpt->bpt_addr), - (char *)bpt->saved_instr, BREAK_INSTR_SIZE); - } - -diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c -index 1deffe6..4705700 100644 ---- a/arch/x86/kernel/kprobes/core.c -+++ b/arch/x86/kernel/kprobes/core.c -@@ -120,9 +120,12 @@ __synthesize_relative_insn(void *from, void *to, u8 op) - s32 raddr; - } __packed *insn; - -- insn = (struct __arch_relative_insn *)from; -+ insn = (struct __arch_relative_insn *)ktla_ktva(from); -+ -+ pax_open_kernel(); - insn->raddr = (s32)((long)(to) - ((long)(from) + 5)); - insn->op = op; -+ pax_close_kernel(); - } - - /* Insert a jump instruction at address 'from', which jumps to address 'to'.*/ -@@ -168,7 +171,7 @@ int can_boost(kprobe_opcode_t *opcodes) - kprobe_opcode_t opcode; - kprobe_opcode_t *orig_opcodes = opcodes; - -- if (search_exception_tables((unsigned long)opcodes)) -+ if (search_exception_tables(ktva_ktla((unsigned long)opcodes))) - return 0; /* Page fault may occur on this address. */ - - retry: -@@ -260,12 +263,12 @@ __recover_probed_insn(kprobe_opcode_t *buf, unsigned long addr) - * Fortunately, we know that the original code is the ideal 5-byte - * long NOP. - */ -- memcpy(buf, (void *)addr, MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); -+ memcpy(buf, (void *)ktla_ktva(addr), MAX_INSN_SIZE * sizeof(kprobe_opcode_t)); - if (faddr) - memcpy(buf, ideal_nops[NOP_ATOMIC5], 5); - else - buf[0] = kp->opcode; -- return (unsigned long)buf; -+ return ktva_ktla((unsigned long)buf); - } - - /* -@@ -367,7 +370,9 @@ int __copy_instruction(u8 *dest, u8 *src) - /* Another subsystem puts a breakpoint, failed to recover */ - if (insn.opcode.bytes[0] == BREAKPOINT_INSTRUCTION) - return 0; -+ pax_open_kernel(); - memcpy(dest, insn.kaddr, length); -+ pax_close_kernel(); - - #ifdef CONFIG_X86_64 - if (insn_rip_relative(&insn)) { -@@ -394,7 +399,9 @@ int __copy_instruction(u8 *dest, u8 *src) - return 0; - } - disp = (u8 *) dest + insn_offset_displacement(&insn); -+ pax_open_kernel(); - *(s32 *) disp = (s32) newdisp; -+ pax_close_kernel(); - } - #endif - return length; -@@ -536,7 +543,7 @@ static void setup_singlestep(struct kprobe *p, struct pt_regs *regs, - * nor set current_kprobe, because it doesn't use single - * stepping. - */ -- regs->ip = (unsigned long)p->ainsn.insn; -+ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn); - preempt_enable_no_resched(); - return; - } -@@ -553,9 +560,9 @@ static void setup_singlestep(struct kprobe *p, struct pt_regs *regs, - regs->flags &= ~X86_EFLAGS_IF; - /* single step inline if the instruction is an int3 */ - if (p->opcode == BREAKPOINT_INSTRUCTION) -- regs->ip = (unsigned long)p->addr; -+ regs->ip = ktla_ktva((unsigned long)p->addr); - else -- regs->ip = (unsigned long)p->ainsn.insn; -+ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn); - } - NOKPROBE_SYMBOL(setup_singlestep); - -@@ -640,7 +647,7 @@ int kprobe_int3_handler(struct pt_regs *regs) - setup_singlestep(p, regs, kcb, 0); - return 1; - } -- } else if (*addr != BREAKPOINT_INSTRUCTION) { -+ } else if (*(kprobe_opcode_t *)ktla_ktva((unsigned long)addr) != BREAKPOINT_INSTRUCTION) { - /* - * The breakpoint instruction was removed right - * after we hit it. Another cpu has removed -@@ -687,6 +694,9 @@ static void __used kretprobe_trampoline_holder(void) - " movq %rax, 152(%rsp)\n" - RESTORE_REGS_STRING - " popfq\n" -+#ifdef KERNEXEC_PLUGIN -+ " btsq $63,(%rsp)\n" -+#endif - #else - " pushf\n" - SAVE_REGS_STRING -@@ -827,7 +837,7 @@ static void resume_execution(struct kprobe *p, struct pt_regs *regs, - struct kprobe_ctlblk *kcb) - { - unsigned long *tos = stack_addr(regs); -- unsigned long copy_ip = (unsigned long)p->ainsn.insn; -+ unsigned long copy_ip = ktva_ktla((unsigned long)p->ainsn.insn); - unsigned long orig_ip = (unsigned long)p->addr; - kprobe_opcode_t *insn = p->ainsn.insn; - -diff --git a/arch/x86/kernel/kprobes/opt.c b/arch/x86/kernel/kprobes/opt.c -index 7b3b9d1..e2478b91 100644 ---- a/arch/x86/kernel/kprobes/opt.c -+++ b/arch/x86/kernel/kprobes/opt.c -@@ -79,6 +79,7 @@ found: - /* Insert a move instruction which sets a pointer to eax/rdi (1st arg). */ - static void synthesize_set_arg1(kprobe_opcode_t *addr, unsigned long val) - { -+ pax_open_kernel(); - #ifdef CONFIG_X86_64 - *addr++ = 0x48; - *addr++ = 0xbf; -@@ -86,6 +87,7 @@ static void synthesize_set_arg1(kprobe_opcode_t *addr, unsigned long val) - *addr++ = 0xb8; - #endif - *(unsigned long *)addr = val; -+ pax_close_kernel(); - } - - asm ( -@@ -342,7 +344,7 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op, - * Verify if the address gap is in 2GB range, because this uses - * a relative jump. - */ -- rel = (long)op->optinsn.insn - (long)op->kp.addr + RELATIVEJUMP_SIZE; -+ rel = (long)op->optinsn.insn - ktla_ktva((long)op->kp.addr) + RELATIVEJUMP_SIZE; - if (abs(rel) > 0x7fffffff) { - __arch_remove_optimized_kprobe(op, 0); - return -ERANGE; -@@ -359,16 +361,18 @@ int arch_prepare_optimized_kprobe(struct optimized_kprobe *op, - op->optinsn.size = ret; - - /* Copy arch-dep-instance from template */ -- memcpy(buf, &optprobe_template_entry, TMPL_END_IDX); -+ pax_open_kernel(); -+ memcpy(buf, ktla_ktva(&optprobe_template_entry), TMPL_END_IDX); -+ pax_close_kernel(); - - /* Set probe information */ - synthesize_set_arg1(buf + TMPL_MOVE_IDX, (unsigned long)op); - - /* Set probe function call */ -- synthesize_relcall(buf + TMPL_CALL_IDX, optimized_callback); -+ synthesize_relcall(ktva_ktla(buf) + TMPL_CALL_IDX, optimized_callback); - - /* Set returning jmp instruction at the tail of out-of-line buffer */ -- synthesize_reljump(buf + TMPL_END_IDX + op->optinsn.size, -+ synthesize_reljump(ktva_ktla(buf) + TMPL_END_IDX + op->optinsn.size, - (u8 *)op->kp.addr + op->optinsn.size); - - flush_icache_range((unsigned long) buf, -@@ -393,7 +397,7 @@ void arch_optimize_kprobes(struct list_head *oplist) - WARN_ON(kprobe_disabled(&op->kp)); - - /* Backup instructions which will be replaced by jump address */ -- memcpy(op->optinsn.copied_insn, op->kp.addr + INT3_SIZE, -+ memcpy(op->optinsn.copied_insn, ktla_ktva(op->kp.addr) + INT3_SIZE, - RELATIVE_ADDR_SIZE); - - insn_buf[0] = RELATIVEJUMP_OPCODE; -@@ -441,7 +445,7 @@ int setup_detour_execution(struct kprobe *p, struct pt_regs *regs, int reenter) - /* This kprobe is really able to run optimized path. */ - op = container_of(p, struct optimized_kprobe, kp); - /* Detour through copied instructions */ -- regs->ip = (unsigned long)op->optinsn.insn + TMPL_END_IDX; -+ regs->ip = ktva_ktla((unsigned long)op->optinsn.insn) + TMPL_END_IDX; - if (!reenter) - reset_current_kprobe(); - preempt_enable_no_resched(); -diff --git a/arch/x86/kernel/ksysfs.c b/arch/x86/kernel/ksysfs.c -index c2bedae..25e7ab60 100644 ---- a/arch/x86/kernel/ksysfs.c -+++ b/arch/x86/kernel/ksysfs.c -@@ -184,7 +184,7 @@ out: - - static struct kobj_attribute type_attr = __ATTR_RO(type); - --static struct bin_attribute data_attr = { -+static bin_attribute_no_const data_attr __read_only = { - .attr = { - .name = "data", - .mode = S_IRUGO, -diff --git a/arch/x86/kernel/ldt.c b/arch/x86/kernel/ldt.c -index c37886d..f43b63d 100644 ---- a/arch/x86/kernel/ldt.c -+++ b/arch/x86/kernel/ldt.c -@@ -11,6 +11,7 @@ - #include <linux/sched.h> - #include <linux/string.h> - #include <linux/mm.h> -+#include <linux/ratelimit.h> - #include <linux/smp.h> - #include <linux/vmalloc.h> - #include <linux/uaccess.h> -@@ -20,6 +21,14 @@ - #include <asm/mmu_context.h> - #include <asm/syscalls.h> - -+#ifdef CONFIG_GRKERNSEC -+int sysctl_modify_ldt __read_only = 0; -+#elif defined(CONFIG_DEFAULT_MODIFY_LDT_SYSCALL) -+int sysctl_modify_ldt __read_only = 1; -+#else -+int sysctl_modify_ldt __read_only = 0; -+#endif -+ - #ifdef CONFIG_SMP - static void flush_ldt(void *current_mm) - { -@@ -66,13 +75,13 @@ static int alloc_ldt(mm_context_t *pc, int mincount, int reload) - if (reload) { - #ifdef CONFIG_SMP - preempt_disable(); -- load_LDT(pc); -+ load_LDT_nolock(pc); - if (!cpumask_equal(mm_cpumask(current->mm), - cpumask_of(smp_processor_id()))) - smp_call_function(flush_ldt, current->mm, 1); - preempt_enable(); - #else -- load_LDT(pc); -+ load_LDT_nolock(pc); - #endif - } - if (oldsize) { -@@ -94,7 +103,7 @@ static inline int copy_ldt(mm_context_t *new, mm_context_t *old) - return err; - - for (i = 0; i < old->size; i++) -- write_ldt_entry(new->ldt, i, old->ldt + i * LDT_ENTRY_SIZE); -+ write_ldt_entry(new->ldt, i, old->ldt + i); - return 0; - } - -@@ -115,6 +124,24 @@ int init_new_context(struct task_struct *tsk, struct mm_struct *mm) - retval = copy_ldt(&mm->context, &old_mm->context); - mutex_unlock(&old_mm->context.lock); - } -+ -+ if (tsk == current) { -+ mm->context.vdso = 0; -+ -+#ifdef CONFIG_X86_32 -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ mm->context.user_cs_base = 0UL; -+ mm->context.user_cs_limit = ~0UL; -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ cpumask_clear(&mm->context.cpu_user_cs_mask); -+#endif -+ -+#endif -+#endif -+ -+ } -+ - return retval; - } - -@@ -229,6 +256,13 @@ static int write_ldt(void __user *ptr, unsigned long bytecount, int oldmode) - } - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (ldt_info.contents & MODIFY_LDT_CONTENTS_CODE)) { -+ error = -EINVAL; -+ goto out_unlock; -+ } -+#endif -+ - if (!IS_ENABLED(CONFIG_X86_16BIT) && !ldt_info.seg_32bit) { - error = -EINVAL; - goto out_unlock; -@@ -254,6 +288,15 @@ asmlinkage int sys_modify_ldt(int func, void __user *ptr, - { - int ret = -ENOSYS; - -+ if (!sysctl_modify_ldt) { -+ printk_ratelimited(KERN_INFO -+ "Denied a call to modify_ldt() from %s[%d] (uid: %d)." -+ " Adjust sysctl if this was not an exploit attempt.\n", -+ current->comm, task_pid_nr(current), -+ from_kuid_munged(current_user_ns(), current_uid())); -+ return ret; -+ } -+ - switch (func) { - case 0: - ret = read_ldt(ptr, bytecount); -diff --git a/arch/x86/kernel/livepatch.c b/arch/x86/kernel/livepatch.c -index ff3c3101d..d7c0cd8 100644 ---- a/arch/x86/kernel/livepatch.c -+++ b/arch/x86/kernel/livepatch.c -@@ -41,9 +41,10 @@ int klp_write_module_reloc(struct module *mod, unsigned long type, - int ret, numpages, size = 4; - bool readonly; - unsigned long val; -- unsigned long core = (unsigned long)mod->module_core; -- unsigned long core_ro_size = mod->core_ro_size; -- unsigned long core_size = mod->core_size; -+ unsigned long core_rx = (unsigned long)mod->module_core_rx; -+ unsigned long core_rw = (unsigned long)mod->module_core_rw; -+ unsigned long core_size_rx = mod->core_size_rx; -+ unsigned long core_size_rw = mod->core_size_rw; - - switch (type) { - case R_X86_64_NONE: -@@ -66,11 +67,12 @@ int klp_write_module_reloc(struct module *mod, unsigned long type, - return -EINVAL; - } - -- if (loc < core || loc >= core + core_size) -+ if ((loc < core_rx || loc >= core_rx + core_size_rx) && -+ (loc < core_rw || loc >= core_rw + core_size_rw)) - /* loc does not point to any symbol inside the module */ - return -EINVAL; - -- if (loc < core + core_ro_size) -+ if (loc < core_rx + core_size_rx) - readonly = true; - else - readonly = false; -diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c -index 469b23d..5449cfe 100644 ---- a/arch/x86/kernel/machine_kexec_32.c -+++ b/arch/x86/kernel/machine_kexec_32.c -@@ -26,7 +26,7 @@ - #include <asm/cacheflush.h> - #include <asm/debugreg.h> - --static void set_idt(void *newidt, __u16 limit) -+static void set_idt(struct desc_struct *newidt, __u16 limit) - { - struct desc_ptr curidt; - -@@ -38,7 +38,7 @@ static void set_idt(void *newidt, __u16 limit) - } - - --static void set_gdt(void *newgdt, __u16 limit) -+static void set_gdt(struct desc_struct *newgdt, __u16 limit) - { - struct desc_ptr curgdt; - -@@ -216,7 +216,7 @@ void machine_kexec(struct kimage *image) - } - - control_page = page_address(image->control_code_page); -- memcpy(control_page, relocate_kernel, KEXEC_CONTROL_CODE_MAX_SIZE); -+ memcpy(control_page, (void *)ktla_ktva((unsigned long)relocate_kernel), KEXEC_CONTROL_CODE_MAX_SIZE); - - relocate_kernel_ptr = control_page; - page_list[PA_CONTROL_PAGE] = __pa(control_page); -diff --git a/arch/x86/kernel/mcount_64.S b/arch/x86/kernel/mcount_64.S -index 94ea120..4154cea 100644 ---- a/arch/x86/kernel/mcount_64.S -+++ b/arch/x86/kernel/mcount_64.S -@@ -7,7 +7,7 @@ - #include <linux/linkage.h> - #include <asm/ptrace.h> - #include <asm/ftrace.h> -- -+#include <asm/alternative-asm.h> - - .code64 - .section .entry.text, "ax" -@@ -148,8 +148,9 @@ - #ifdef CONFIG_DYNAMIC_FTRACE - - ENTRY(function_hook) -+ pax_force_retaddr - retq --END(function_hook) -+ENDPROC(function_hook) - - ENTRY(ftrace_caller) - /* save_mcount_regs fills in first two parameters */ -@@ -181,8 +182,9 @@ GLOBAL(ftrace_graph_call) - #endif - - GLOBAL(ftrace_stub) -+ pax_force_retaddr - retq --END(ftrace_caller) -+ENDPROC(ftrace_caller) - - ENTRY(ftrace_regs_caller) - /* Save the current flags before any operations that can change them */ -@@ -253,7 +255,7 @@ GLOBAL(ftrace_regs_caller_end) - - jmp ftrace_return - --END(ftrace_regs_caller) -+ENDPROC(ftrace_regs_caller) - - - #else /* ! CONFIG_DYNAMIC_FTRACE */ -@@ -272,18 +274,20 @@ fgraph_trace: - #endif - - GLOBAL(ftrace_stub) -+ pax_force_retaddr - retq - - trace: - /* save_mcount_regs fills in first two parameters */ - save_mcount_regs - -+ pax_force_fptr ftrace_trace_function - call *ftrace_trace_function - - restore_mcount_regs - - jmp fgraph_trace --END(function_hook) -+ENDPROC(function_hook) - #endif /* CONFIG_DYNAMIC_FTRACE */ - #endif /* CONFIG_FUNCTION_TRACER */ - -@@ -305,8 +309,9 @@ ENTRY(ftrace_graph_caller) - - restore_mcount_regs - -+ pax_force_retaddr - retq --END(ftrace_graph_caller) -+ENDPROC(ftrace_graph_caller) - - GLOBAL(return_to_handler) - subq $24, %rsp -@@ -322,5 +327,7 @@ GLOBAL(return_to_handler) - movq 8(%rsp), %rdx - movq (%rsp), %rax - addq $24, %rsp -+ pax_force_fptr %rdi - jmp *%rdi -+ENDPROC(return_to_handler) - #endif -diff --git a/arch/x86/kernel/module.c b/arch/x86/kernel/module.c -index 005c03e..2f440cd 100644 ---- a/arch/x86/kernel/module.c -+++ b/arch/x86/kernel/module.c -@@ -75,17 +75,17 @@ static unsigned long int get_module_load_offset(void) - } - #endif - --void *module_alloc(unsigned long size) -+static inline void *__module_alloc(unsigned long size, pgprot_t prot) - { - void *p; - -- if (PAGE_ALIGN(size) > MODULES_LEN) -+ if (!size || PAGE_ALIGN(size) > MODULES_LEN) - return NULL; - - p = __vmalloc_node_range(size, MODULE_ALIGN, - MODULES_VADDR + get_module_load_offset(), -- MODULES_END, GFP_KERNEL | __GFP_HIGHMEM, -- PAGE_KERNEL_EXEC, 0, NUMA_NO_NODE, -+ MODULES_END, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, -+ prot, 0, NUMA_NO_NODE, - __builtin_return_address(0)); - if (p && (kasan_module_alloc(p, size) < 0)) { - vfree(p); -@@ -95,6 +95,51 @@ void *module_alloc(unsigned long size) - return p; - } - -+void *module_alloc(unsigned long size) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ return __module_alloc(size, PAGE_KERNEL); -+#else -+ return __module_alloc(size, PAGE_KERNEL_EXEC); -+#endif -+ -+} -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_32 -+void *module_alloc_exec(unsigned long size) -+{ -+ struct vm_struct *area; -+ -+ if (size == 0) -+ return NULL; -+ -+ area = __get_vm_area(size, VM_ALLOC, (unsigned long)&MODULES_EXEC_VADDR, (unsigned long)&MODULES_EXEC_END); -+return area ? area->addr : NULL; -+} -+EXPORT_SYMBOL(module_alloc_exec); -+ -+void module_memfree_exec(void *module_region) -+{ -+ vunmap(module_region); -+} -+EXPORT_SYMBOL(module_memfree_exec); -+#else -+void module_memfree_exec(void *module_region) -+{ -+ module_memfree(module_region); -+} -+EXPORT_SYMBOL(module_memfree_exec); -+ -+void *module_alloc_exec(unsigned long size) -+{ -+ return __module_alloc(size, PAGE_KERNEL_RX); -+} -+EXPORT_SYMBOL(module_alloc_exec); -+#endif -+#endif -+ - #ifdef CONFIG_X86_32 - int apply_relocate(Elf32_Shdr *sechdrs, - const char *strtab, -@@ -105,14 +150,16 @@ int apply_relocate(Elf32_Shdr *sechdrs, - unsigned int i; - Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr; - Elf32_Sym *sym; -- uint32_t *location; -+ uint32_t *plocation, location; - - DEBUGP("Applying relocate section %u to %u\n", - relsec, sechdrs[relsec].sh_info); - for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { - /* This is where to make the change */ -- location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr -- + rel[i].r_offset; -+ plocation = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + rel[i].r_offset; -+ location = (uint32_t)plocation; -+ if (sechdrs[sechdrs[relsec].sh_info].sh_flags & SHF_EXECINSTR) -+ plocation = ktla_ktva((void *)plocation); - /* This is the symbol it is referring to. Note that all - undefined symbols have been resolved. */ - sym = (Elf32_Sym *)sechdrs[symindex].sh_addr -@@ -121,11 +168,15 @@ int apply_relocate(Elf32_Shdr *sechdrs, - switch (ELF32_R_TYPE(rel[i].r_info)) { - case R_386_32: - /* We add the value into the location given */ -- *location += sym->st_value; -+ pax_open_kernel(); -+ *plocation += sym->st_value; -+ pax_close_kernel(); - break; - case R_386_PC32: - /* Add the value, subtract its position */ -- *location += sym->st_value - (uint32_t)location; -+ pax_open_kernel(); -+ *plocation += sym->st_value - location; -+ pax_close_kernel(); - break; - default: - pr_err("%s: Unknown relocation: %u\n", -@@ -170,21 +221,30 @@ int apply_relocate_add(Elf64_Shdr *sechdrs, - case R_X86_64_NONE: - break; - case R_X86_64_64: -+ pax_open_kernel(); - *(u64 *)loc = val; -+ pax_close_kernel(); - break; - case R_X86_64_32: -+ pax_open_kernel(); - *(u32 *)loc = val; -+ pax_close_kernel(); - if (val != *(u32 *)loc) - goto overflow; - break; - case R_X86_64_32S: -+ pax_open_kernel(); - *(s32 *)loc = val; -+ pax_close_kernel(); - if ((s64)val != *(s32 *)loc) - goto overflow; - break; - case R_X86_64_PC32: - val -= (u64)loc; -+ pax_open_kernel(); - *(u32 *)loc = val; -+ pax_close_kernel(); -+ - #if 0 - if ((s64)val != *(s32 *)loc) - goto overflow; -diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c -index 113e707..0a690e1 100644 ---- a/arch/x86/kernel/msr.c -+++ b/arch/x86/kernel/msr.c -@@ -39,6 +39,7 @@ - #include <linux/notifier.h> - #include <linux/uaccess.h> - #include <linux/gfp.h> -+#include <linux/grsecurity.h> - - #include <asm/processor.h> - #include <asm/msr.h> -@@ -105,6 +106,11 @@ static ssize_t msr_write(struct file *file, const char __user *buf, - int err = 0; - ssize_t bytes = 0; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ gr_handle_msr_write(); -+ return -EPERM; -+#endif -+ - if (count % 8) - return -EINVAL; /* Invalid chunk size */ - -@@ -152,6 +158,10 @@ static long msr_ioctl(struct file *file, unsigned int ioc, unsigned long arg) - err = -EBADF; - break; - } -+#ifdef CONFIG_GRKERNSEC_KMEM -+ gr_handle_msr_write(); -+ return -EPERM; -+#endif - if (copy_from_user(&regs, uregs, sizeof regs)) { - err = -EFAULT; - break; -@@ -235,7 +245,7 @@ static int msr_class_cpu_callback(struct notifier_block *nfb, - return notifier_from_errno(err); - } - --static struct notifier_block __refdata msr_class_cpu_notifier = { -+static struct notifier_block msr_class_cpu_notifier = { - .notifier_call = msr_class_cpu_callback, - }; - -diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c -index d05bd2e..f690edd 100644 ---- a/arch/x86/kernel/nmi.c -+++ b/arch/x86/kernel/nmi.c -@@ -98,16 +98,16 @@ fs_initcall(nmi_warning_debugfs); - - static void nmi_max_handler(struct irq_work *w) - { -- struct nmiaction *a = container_of(w, struct nmiaction, irq_work); -+ struct nmiwork *n = container_of(w, struct nmiwork, irq_work); - int remainder_ns, decimal_msecs; -- u64 whole_msecs = ACCESS_ONCE(a->max_duration); -+ u64 whole_msecs = ACCESS_ONCE(n->max_duration); - - remainder_ns = do_div(whole_msecs, (1000 * 1000)); - decimal_msecs = remainder_ns / 1000; - - printk_ratelimited(KERN_INFO - "INFO: NMI handler (%ps) took too long to run: %lld.%03d msecs\n", -- a->handler, whole_msecs, decimal_msecs); -+ n->action->handler, whole_msecs, decimal_msecs); - } - - static int nmi_handle(unsigned int type, struct pt_regs *regs, bool b2b) -@@ -134,11 +134,11 @@ static int nmi_handle(unsigned int type, struct pt_regs *regs, bool b2b) - delta = sched_clock() - delta; - trace_nmi_handler(a->handler, (int)delta, thishandled); - -- if (delta < nmi_longest_ns || delta < a->max_duration) -+ if (delta < nmi_longest_ns || delta < a->work->max_duration) - continue; - -- a->max_duration = delta; -- irq_work_queue(&a->irq_work); -+ a->work->max_duration = delta; -+ irq_work_queue(&a->work->irq_work); - } - - rcu_read_unlock(); -@@ -148,7 +148,7 @@ static int nmi_handle(unsigned int type, struct pt_regs *regs, bool b2b) - } - NOKPROBE_SYMBOL(nmi_handle); - --int __register_nmi_handler(unsigned int type, struct nmiaction *action) -+int __register_nmi_handler(unsigned int type, const struct nmiaction *action) - { - struct nmi_desc *desc = nmi_to_desc(type); - unsigned long flags; -@@ -156,7 +156,8 @@ int __register_nmi_handler(unsigned int type, struct nmiaction *action) - if (!action->handler) - return -EINVAL; - -- init_irq_work(&action->irq_work, nmi_max_handler); -+ action->work->action = action; -+ init_irq_work(&action->work->irq_work, nmi_max_handler); - - spin_lock_irqsave(&desc->lock, flags); - -@@ -174,9 +175,9 @@ int __register_nmi_handler(unsigned int type, struct nmiaction *action) - * event confuses some handlers (kdump uses this flag) - */ - if (action->flags & NMI_FLAG_FIRST) -- list_add_rcu(&action->list, &desc->head); -+ pax_list_add_rcu((struct list_head *)&action->list, &desc->head); - else -- list_add_tail_rcu(&action->list, &desc->head); -+ pax_list_add_tail_rcu((struct list_head *)&action->list, &desc->head); - - spin_unlock_irqrestore(&desc->lock, flags); - return 0; -@@ -199,7 +200,7 @@ void unregister_nmi_handler(unsigned int type, const char *name) - if (!strcmp(n->name, name)) { - WARN(in_nmi(), - "Trying to free NMI (%s) from NMI context!\n", n->name); -- list_del_rcu(&n->list); -+ pax_list_del_rcu((struct list_head *)&n->list); - break; - } - } -@@ -481,6 +482,17 @@ static DEFINE_PER_CPU(int, update_debug_stack); - dotraplinkage notrace void - do_nmi(struct pt_regs *regs, long error_code) - { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (!user_mode(regs)) { -+ unsigned long cs = regs->cs & 0xFFFF; -+ unsigned long ip = ktva_ktla(regs->ip); -+ -+ if ((cs == __KERNEL_CS || cs == __KERNEXEC_KERNEL_CS) && ip <= (unsigned long)_etext) -+ regs->ip = ip; -+ } -+#endif -+ - if (this_cpu_read(nmi_state) != NMI_NOT_RUNNING) { - this_cpu_write(nmi_state, NMI_LATCHED); - return; -diff --git a/arch/x86/kernel/nmi_selftest.c b/arch/x86/kernel/nmi_selftest.c -index 6d9582e..f746287 100644 ---- a/arch/x86/kernel/nmi_selftest.c -+++ b/arch/x86/kernel/nmi_selftest.c -@@ -43,7 +43,7 @@ static void __init init_nmi_testsuite(void) - { - /* trap all the unknown NMIs we may generate */ - register_nmi_handler(NMI_UNKNOWN, nmi_unk_cb, 0, "nmi_selftest_unk", -- __initdata); -+ __initconst); - } - - static void __init cleanup_nmi_testsuite(void) -@@ -66,7 +66,7 @@ static void __init test_nmi_ipi(struct cpumask *mask) - unsigned long timeout; - - if (register_nmi_handler(NMI_LOCAL, test_nmi_ipi_callback, -- NMI_FLAG_FIRST, "nmi_selftest", __initdata)) { -+ NMI_FLAG_FIRST, "nmi_selftest", __initconst)) { - nmi_fail = FAILURE; - return; - } -diff --git a/arch/x86/kernel/paravirt-spinlocks.c b/arch/x86/kernel/paravirt-spinlocks.c -index bbb6c73..24a58ef 100644 ---- a/arch/x86/kernel/paravirt-spinlocks.c -+++ b/arch/x86/kernel/paravirt-spinlocks.c -@@ -8,7 +8,7 @@ - - #include <asm/paravirt.h> - --struct pv_lock_ops pv_lock_ops = { -+struct pv_lock_ops pv_lock_ops __read_only = { - #ifdef CONFIG_SMP - .lock_spinning = __PV_IS_CALLEE_SAVE(paravirt_nop), - .unlock_kick = paravirt_nop, -diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c -index c614dd4..9ad659e 100644 ---- a/arch/x86/kernel/paravirt.c -+++ b/arch/x86/kernel/paravirt.c -@@ -56,6 +56,9 @@ u64 _paravirt_ident_64(u64 x) - { - return x; - } -+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE) -+PV_CALLEE_SAVE_REGS_THUNK(_paravirt_ident_64); -+#endif - - void __init default_banner(void) - { -@@ -142,16 +145,20 @@ unsigned paravirt_patch_default(u8 type, u16 clobbers, void *insnbuf, - - if (opfunc == NULL) - /* If there's no function, patch it with a ud2a (BUG) */ -- ret = paravirt_patch_insns(insnbuf, len, ud2a, ud2a+sizeof(ud2a)); -- else if (opfunc == _paravirt_nop) -+ ret = paravirt_patch_insns(insnbuf, len, ktva_ktla(ud2a), ud2a+sizeof(ud2a)); -+ else if (opfunc == (void *)_paravirt_nop) - /* If the operation is a nop, then nop the callsite */ - ret = paravirt_patch_nop(); - - /* identity functions just return their single argument */ -- else if (opfunc == _paravirt_ident_32) -+ else if (opfunc == (void *)_paravirt_ident_32) - ret = paravirt_patch_ident_32(insnbuf, len); -- else if (opfunc == _paravirt_ident_64) -+ else if (opfunc == (void *)_paravirt_ident_64) - ret = paravirt_patch_ident_64(insnbuf, len); -+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE) -+ else if (opfunc == (void *)__raw_callee_save__paravirt_ident_64) -+ ret = paravirt_patch_ident_64(insnbuf, len); -+#endif - - else if (type == PARAVIRT_PATCH(pv_cpu_ops.iret) || - type == PARAVIRT_PATCH(pv_cpu_ops.irq_enable_sysexit) || -@@ -176,7 +183,7 @@ unsigned paravirt_patch_insns(void *insnbuf, unsigned len, - if (insn_len > len || start == NULL) - insn_len = len; - else -- memcpy(insnbuf, start, insn_len); -+ memcpy(insnbuf, ktla_ktva(start), insn_len); - - return insn_len; - } -@@ -300,7 +307,7 @@ enum paravirt_lazy_mode paravirt_get_lazy_mode(void) - return this_cpu_read(paravirt_lazy_mode); - } - --struct pv_info pv_info = { -+struct pv_info pv_info __read_only = { - .name = "bare hardware", - .paravirt_enabled = 0, - .kernel_rpl = 0, -@@ -311,16 +318,16 @@ struct pv_info pv_info = { - #endif - }; - --struct pv_init_ops pv_init_ops = { -+struct pv_init_ops pv_init_ops __read_only = { - .patch = native_patch, - }; - --struct pv_time_ops pv_time_ops = { -+struct pv_time_ops pv_time_ops __read_only = { - .sched_clock = native_sched_clock, - .steal_clock = native_steal_clock, - }; - --__visible struct pv_irq_ops pv_irq_ops = { -+__visible struct pv_irq_ops pv_irq_ops __read_only = { - .save_fl = __PV_IS_CALLEE_SAVE(native_save_fl), - .restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl), - .irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable), -@@ -332,7 +339,7 @@ __visible struct pv_irq_ops pv_irq_ops = { - #endif - }; - --__visible struct pv_cpu_ops pv_cpu_ops = { -+__visible struct pv_cpu_ops pv_cpu_ops __read_only = { - .cpuid = native_cpuid, - .get_debugreg = native_get_debugreg, - .set_debugreg = native_set_debugreg, -@@ -395,21 +402,26 @@ NOKPROBE_SYMBOL(native_get_debugreg); - NOKPROBE_SYMBOL(native_set_debugreg); - NOKPROBE_SYMBOL(native_load_idt); - --struct pv_apic_ops pv_apic_ops = { -+struct pv_apic_ops pv_apic_ops __read_only= { - #ifdef CONFIG_X86_LOCAL_APIC - .startup_ipi_hook = paravirt_nop, - #endif - }; - --#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE) -+#ifdef CONFIG_X86_32 -+#ifdef CONFIG_X86_PAE -+/* 64-bit pagetable entries */ -+#define PTE_IDENT PV_CALLEE_SAVE(_paravirt_ident_64) -+#else - /* 32-bit pagetable entries */ - #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_32) -+#endif - #else - /* 64-bit pagetable entries */ - #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_64) - #endif - --struct pv_mmu_ops pv_mmu_ops = { -+struct pv_mmu_ops pv_mmu_ops __read_only = { - - .read_cr2 = native_read_cr2, - .write_cr2 = native_write_cr2, -@@ -459,6 +471,7 @@ struct pv_mmu_ops pv_mmu_ops = { - .make_pud = PTE_IDENT, - - .set_pgd = native_set_pgd, -+ .set_pgd_batched = native_set_pgd_batched, - #endif - #endif /* CONFIG_PGTABLE_LEVELS >= 3 */ - -@@ -479,6 +492,12 @@ struct pv_mmu_ops pv_mmu_ops = { - }, - - .set_fixmap = native_set_fixmap, -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .pax_open_kernel = native_pax_open_kernel, -+ .pax_close_kernel = native_pax_close_kernel, -+#endif -+ - }; - - EXPORT_SYMBOL_GPL(pv_time_ops); -diff --git a/arch/x86/kernel/paravirt_patch_64.c b/arch/x86/kernel/paravirt_patch_64.c -index a1da673..b6f5831 100644 ---- a/arch/x86/kernel/paravirt_patch_64.c -+++ b/arch/x86/kernel/paravirt_patch_64.c -@@ -9,7 +9,11 @@ DEF_NATIVE(pv_irq_ops, save_fl, "pushfq; popq %rax"); - DEF_NATIVE(pv_mmu_ops, read_cr2, "movq %cr2, %rax"); - DEF_NATIVE(pv_mmu_ops, read_cr3, "movq %cr3, %rax"); - DEF_NATIVE(pv_mmu_ops, write_cr3, "movq %rdi, %cr3"); -+ -+#ifndef CONFIG_PAX_MEMORY_UDEREF - DEF_NATIVE(pv_mmu_ops, flush_tlb_single, "invlpg (%rdi)"); -+#endif -+ - DEF_NATIVE(pv_cpu_ops, clts, "clts"); - DEF_NATIVE(pv_cpu_ops, wbinvd, "wbinvd"); - -@@ -57,7 +61,11 @@ unsigned native_patch(u8 type, u16 clobbers, void *ibuf, - PATCH_SITE(pv_mmu_ops, read_cr3); - PATCH_SITE(pv_mmu_ops, write_cr3); - PATCH_SITE(pv_cpu_ops, clts); -+ -+#ifndef CONFIG_PAX_MEMORY_UDEREF - PATCH_SITE(pv_mmu_ops, flush_tlb_single); -+#endif -+ - PATCH_SITE(pv_cpu_ops, wbinvd); - - patch_site: -diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c -index 0497f71..7186c0d 100644 ---- a/arch/x86/kernel/pci-calgary_64.c -+++ b/arch/x86/kernel/pci-calgary_64.c -@@ -1347,7 +1347,7 @@ static void __init get_tce_space_from_tar(void) - tce_space = be64_to_cpu(readq(target)); - tce_space = tce_space & TAR_SW_BITS; - -- tce_space = tce_space & (~specified_table_size); -+ tce_space = tce_space & (~(unsigned long)specified_table_size); - info->tce_space = (u64 *)__va(tce_space); - } - } -diff --git a/arch/x86/kernel/pci-iommu_table.c b/arch/x86/kernel/pci-iommu_table.c -index 35ccf75..7a15747 100644 ---- a/arch/x86/kernel/pci-iommu_table.c -+++ b/arch/x86/kernel/pci-iommu_table.c -@@ -2,7 +2,7 @@ - #include <asm/iommu_table.h> - #include <linux/string.h> - #include <linux/kallsyms.h> -- -+#include <linux/sched.h> - - #define DEBUG 1 - -diff --git a/arch/x86/kernel/pci-swiotlb.c b/arch/x86/kernel/pci-swiotlb.c -index 77dd0ad..9ec4723 100644 ---- a/arch/x86/kernel/pci-swiotlb.c -+++ b/arch/x86/kernel/pci-swiotlb.c -@@ -33,7 +33,7 @@ void x86_swiotlb_free_coherent(struct device *dev, size_t size, - struct dma_attrs *attrs) - { - if (is_swiotlb_buffer(dma_to_phys(dev, dma_addr))) -- swiotlb_free_coherent(dev, size, vaddr, dma_addr); -+ swiotlb_free_coherent(dev, size, vaddr, dma_addr, attrs); - else - dma_generic_free_coherent(dev, size, vaddr, dma_addr, attrs); - } -diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c -index 9717437..44bc9aa 100644 ---- a/arch/x86/kernel/process.c -+++ b/arch/x86/kernel/process.c -@@ -38,7 +38,8 @@ - * section. Since TSS's are completely CPU-local, we want them - * on exact cacheline boundaries, to eliminate cacheline ping-pong. - */ --__visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss) = { -+struct tss_struct cpu_tss[NR_CPUS] __visible ____cacheline_internodealigned_in_smp = { -+ [0 ... NR_CPUS-1] = { - .x86_tss = { - .sp0 = TOP_OF_INIT_STACK, - #ifdef CONFIG_X86_32 -@@ -56,6 +57,7 @@ __visible DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, cpu_tss) = { - */ - .io_bitmap = { [0 ... IO_BITMAP_LONGS] = ~0 }, - #endif -+} - }; - EXPORT_PER_CPU_SYMBOL(cpu_tss); - -@@ -115,7 +117,7 @@ void arch_task_cache_init(void) - task_xstate_cachep = - kmem_cache_create("task_xstate", xstate_size, - __alignof__(union thread_xstate), -- SLAB_PANIC | SLAB_NOTRACK, NULL); -+ SLAB_PANIC | SLAB_NOTRACK | SLAB_USERCOPY, NULL); - setup_xstate_comp(); - } - -@@ -129,7 +131,7 @@ void exit_thread(void) - unsigned long *bp = t->io_bitmap_ptr; - - if (bp) { -- struct tss_struct *tss = &per_cpu(cpu_tss, get_cpu()); -+ struct tss_struct *tss = cpu_tss + get_cpu(); - - t->io_bitmap_ptr = NULL; - clear_thread_flag(TIF_IO_BITMAP); -@@ -149,6 +151,9 @@ void flush_thread(void) - { - struct task_struct *tsk = current; - -+#if defined(CONFIG_X86_32) && !defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_PAX_MEMORY_UDEREF) -+ loadsegment(gs, 0); -+#endif - flush_ptrace_hw_breakpoint(tsk); - memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array)); - -@@ -302,7 +307,7 @@ static void __exit_idle(void) - void exit_idle(void) - { - /* idle loop has pid 0 */ -- if (current->pid) -+ if (task_pid_nr(current)) - return; - __exit_idle(); - } -@@ -355,7 +360,7 @@ bool xen_set_default_idle(void) - return ret; - } - #endif --void stop_this_cpu(void *dummy) -+__noreturn void stop_this_cpu(void *dummy) - { - local_irq_disable(); - /* -@@ -533,16 +538,43 @@ static int __init idle_setup(char *str) - } - early_param("idle", idle_setup); - --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() % 8192; -- return sp & ~0xf; --} -- - unsigned long arch_randomize_brk(struct mm_struct *mm) - { - unsigned long range_end = mm->brk + 0x02000000; - return randomize_range(mm->brk, range_end, 0) ? : mm->brk; - } - -+#ifdef CONFIG_PAX_RANDKSTACK -+void pax_randomize_kstack(struct pt_regs *regs) -+{ -+ struct thread_struct *thread = &current->thread; -+ unsigned long time; -+ -+ if (!randomize_va_space) -+ return; -+ -+ if (v8086_mode(regs)) -+ return; -+ -+ rdtscl(time); -+ -+ /* P4 seems to return a 0 LSB, ignore it */ -+#ifdef CONFIG_MPENTIUM4 -+ time &= 0x3EUL; -+ time <<= 2; -+#elif defined(CONFIG_X86_64) -+ time &= 0xFUL; -+ time <<= 4; -+#else -+ time &= 0x1FUL; -+ time <<= 3; -+#endif -+ -+ thread->sp0 ^= time; -+ load_sp0(cpu_tss + smp_processor_id(), thread); -+ -+#ifdef CONFIG_X86_64 -+ this_cpu_write(kernel_stack, thread->sp0); -+#endif -+} -+#endif -diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c -index 8ed2106..1345704 100644 ---- a/arch/x86/kernel/process_32.c -+++ b/arch/x86/kernel/process_32.c -@@ -64,6 +64,7 @@ asmlinkage void ret_from_kernel_thread(void) __asm__("ret_from_kernel_thread"); - unsigned long thread_saved_pc(struct task_struct *tsk) - { - return ((unsigned long *)tsk->thread.sp)[3]; -+//XXX return tsk->thread.eip; - } - - void __show_regs(struct pt_regs *regs, int all) -@@ -76,16 +77,15 @@ void __show_regs(struct pt_regs *regs, int all) - if (user_mode(regs)) { - sp = regs->sp; - ss = regs->ss & 0xffff; -- gs = get_user_gs(regs); - } else { - sp = kernel_stack_pointer(regs); - savesegment(ss, ss); -- savesegment(gs, gs); - } -+ gs = get_user_gs(regs); - - printk(KERN_DEFAULT "EIP: %04x:[<%08lx>] EFLAGS: %08lx CPU: %d\n", - (u16)regs->cs, regs->ip, regs->flags, -- smp_processor_id()); -+ raw_smp_processor_id()); - print_symbol("EIP is at %s\n", regs->ip); - - printk(KERN_DEFAULT "EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n", -@@ -132,21 +132,22 @@ void release_thread(struct task_struct *dead_task) - int copy_thread(unsigned long clone_flags, unsigned long sp, - unsigned long arg, struct task_struct *p) - { -- struct pt_regs *childregs = task_pt_regs(p); -+ struct pt_regs *childregs = task_stack_page(p) + THREAD_SIZE - sizeof(struct pt_regs) - 8; - struct task_struct *tsk; - int err; - - p->thread.sp = (unsigned long) childregs; - p->thread.sp0 = (unsigned long) (childregs+1); -+ p->tinfo.lowest_stack = (unsigned long)task_stack_page(p) + 2 * sizeof(unsigned long); - memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps)); - - if (unlikely(p->flags & PF_KTHREAD)) { - /* kernel thread */ - memset(childregs, 0, sizeof(struct pt_regs)); - p->thread.ip = (unsigned long) ret_from_kernel_thread; -- task_user_gs(p) = __KERNEL_STACK_CANARY; -- childregs->ds = __USER_DS; -- childregs->es = __USER_DS; -+ savesegment(gs, childregs->gs); -+ childregs->ds = __KERNEL_DS; -+ childregs->es = __KERNEL_DS; - childregs->fs = __KERNEL_PERCPU; - childregs->bx = sp; /* function */ - childregs->bp = arg; -@@ -244,7 +245,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - struct thread_struct *prev = &prev_p->thread, - *next = &next_p->thread; - int cpu = smp_processor_id(); -- struct tss_struct *tss = &per_cpu(cpu_tss, cpu); -+ struct tss_struct *tss = cpu_tss + cpu; - fpu_switch_t fpu; - - /* never put a printk in __switch_to... printk() calls wake_up*() indirectly */ -@@ -263,6 +264,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - */ - lazy_save_gs(prev->gs); - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(task_thread_info(next_p)->addr_limit); -+#endif -+ - /* - * Load the per-thread Thread-Local Storage descriptor. - */ -@@ -306,12 +311,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - * current_thread_info(). - */ - load_sp0(tss, next); -- this_cpu_write(kernel_stack, -- (unsigned long)task_stack_page(next_p) + -- THREAD_SIZE); -- this_cpu_write(cpu_current_top_of_stack, -- (unsigned long)task_stack_page(next_p) + -- THREAD_SIZE); -+ this_cpu_write(current_task, next_p); -+ this_cpu_write(current_tinfo, &next_p->tinfo); -+ this_cpu_write(kernel_stack, next->sp0); -+ this_cpu_write(cpu_current_top_of_stack, next->sp0); - - /* - * Restore %gs if needed (which is common) -@@ -321,8 +324,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - - switch_fpu_finish(next_p, fpu); - -- this_cpu_write(current_task, next_p); -- - return prev_p; - } - -@@ -352,4 +353,3 @@ unsigned long get_wchan(struct task_struct *p) - } while (count++ < 16); - return 0; - } -- -diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c -index ddfdbf7..625417c 100644 ---- a/arch/x86/kernel/process_64.c -+++ b/arch/x86/kernel/process_64.c -@@ -158,9 +158,10 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, - struct pt_regs *childregs; - struct task_struct *me = current; - -- p->thread.sp0 = (unsigned long)task_stack_page(p) + THREAD_SIZE; -+ p->thread.sp0 = (unsigned long)task_stack_page(p) + THREAD_SIZE - 16; - childregs = task_pt_regs(p); - p->thread.sp = (unsigned long) childregs; -+ p->tinfo.lowest_stack = (unsigned long)task_stack_page(p) + 2 * sizeof(unsigned long); - set_tsk_thread_flag(p, TIF_FORK); - p->thread.io_bitmap_ptr = NULL; - -@@ -170,6 +171,8 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, - p->thread.fs = p->thread.fsindex ? 0 : me->thread.fs; - savesegment(es, p->thread.es); - savesegment(ds, p->thread.ds); -+ savesegment(ss, p->thread.ss); -+ BUG_ON(p->thread.ss == __UDEREF_KERNEL_DS); - memset(p->thread.ptrace_bps, 0, sizeof(p->thread.ptrace_bps)); - - if (unlikely(p->flags & PF_KTHREAD)) { -@@ -275,7 +278,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - struct thread_struct *prev = &prev_p->thread; - struct thread_struct *next = &next_p->thread; - int cpu = smp_processor_id(); -- struct tss_struct *tss = &per_cpu(cpu_tss, cpu); -+ struct tss_struct *tss = cpu_tss + cpu; - unsigned fsindex, gsindex; - fpu_switch_t fpu; - -@@ -326,6 +329,10 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - if (unlikely(next->ds | prev->ds)) - loadsegment(ds, next->ds); - -+ savesegment(ss, prev->ss); -+ if (unlikely(next->ss != prev->ss)) -+ loadsegment(ss, next->ss); -+ - /* - * Switch FS and GS. - * -@@ -397,6 +404,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - * Switch the PDA and FPU contexts. - */ - this_cpu_write(current_task, next_p); -+ this_cpu_write(current_tinfo, &next_p->tinfo); - - /* - * If it were not for PREEMPT_ACTIVE we could guarantee that the -@@ -409,8 +417,7 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p) - /* Reload esp0 and ss1. This changes current_thread_info(). */ - load_sp0(tss, next); - -- this_cpu_write(kernel_stack, -- (unsigned long)task_stack_page(next_p) + THREAD_SIZE); -+ this_cpu_write(kernel_stack, next->sp0); - - /* - * Now maybe reload the debug registers and handle I/O bitmaps -@@ -508,12 +515,11 @@ unsigned long get_wchan(struct task_struct *p) - if (!p || p == current || p->state == TASK_RUNNING) - return 0; - stack = (unsigned long)task_stack_page(p); -- if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE) -+ if (p->thread.sp < stack || p->thread.sp > stack+THREAD_SIZE-16-sizeof(u64)) - return 0; - fp = *(u64 *)(p->thread.sp); - do { -- if (fp < (unsigned long)stack || -- fp >= (unsigned long)stack+THREAD_SIZE) -+ if (fp < stack || fp > stack+THREAD_SIZE-16-sizeof(u64)) - return 0; - ip = *(u64 *)(fp+8); - if (!in_sched_functions(ip)) -diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c -index a7bc794..094ee8e 100644 ---- a/arch/x86/kernel/ptrace.c -+++ b/arch/x86/kernel/ptrace.c -@@ -186,10 +186,10 @@ unsigned long kernel_stack_pointer(struct pt_regs *regs) - unsigned long sp = (unsigned long)&regs->sp; - u32 *prev_esp; - -- if (context == (sp & ~(THREAD_SIZE - 1))) -+ if (context == ((sp + 8) & ~(THREAD_SIZE - 1))) - return sp; - -- prev_esp = (u32 *)(context); -+ prev_esp = *(u32 **)(context); - if (prev_esp) - return (unsigned long)prev_esp; - -@@ -446,6 +446,20 @@ static int putreg(struct task_struct *child, - if (child->thread.gs != value) - return do_arch_prctl(child, ARCH_SET_GS, value); - return 0; -+ -+ case offsetof(struct user_regs_struct,ip): -+ /* -+ * Protect against any attempt to set ip to an -+ * impossible address. There are dragons lurking if the -+ * address is noncanonical. (This explicitly allows -+ * setting ip to TASK_SIZE_MAX, because user code can do -+ * that all by itself by running off the end of its -+ * address space. -+ */ -+ if (value > TASK_SIZE_MAX) -+ return -EIO; -+ break; -+ - #endif - } - -@@ -582,7 +596,7 @@ static void ptrace_triggered(struct perf_event *bp, - static unsigned long ptrace_get_dr7(struct perf_event *bp[]) - { - int i; -- int dr7 = 0; -+ unsigned long dr7 = 0; - struct arch_hw_breakpoint *info; - - for (i = 0; i < HBP_NUM; i++) { -@@ -816,7 +830,7 @@ long arch_ptrace(struct task_struct *child, long request, - unsigned long addr, unsigned long data) - { - int ret; -- unsigned long __user *datap = (unsigned long __user *)data; -+ unsigned long __user *datap = (__force unsigned long __user *)data; - - switch (request) { - /* read the word at location addr in the USER area. */ -@@ -901,14 +915,14 @@ long arch_ptrace(struct task_struct *child, long request, - if ((int) addr < 0) - return -EIO; - ret = do_get_thread_area(child, addr, -- (struct user_desc __user *)data); -+ (__force struct user_desc __user *) data); - break; - - case PTRACE_SET_THREAD_AREA: - if ((int) addr < 0) - return -EIO; - ret = do_set_thread_area(child, addr, -- (struct user_desc __user *)data, 0); -+ (__force struct user_desc __user *) data, 0); - break; - #endif - -@@ -1286,7 +1300,7 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request, - - #ifdef CONFIG_X86_64 - --static struct user_regset x86_64_regsets[] __read_mostly = { -+static user_regset_no_const x86_64_regsets[] __read_only = { - [REGSET_GENERAL] = { - .core_note_type = NT_PRSTATUS, - .n = sizeof(struct user_regs_struct) / sizeof(long), -@@ -1327,7 +1341,7 @@ static const struct user_regset_view user_x86_64_view = { - #endif /* CONFIG_X86_64 */ - - #if defined CONFIG_X86_32 || defined CONFIG_IA32_EMULATION --static struct user_regset x86_32_regsets[] __read_mostly = { -+static user_regset_no_const x86_32_regsets[] __read_only = { - [REGSET_GENERAL] = { - .core_note_type = NT_PRSTATUS, - .n = sizeof(struct user_regs_struct32) / sizeof(u32), -@@ -1380,7 +1394,7 @@ static const struct user_regset_view user_x86_32_view = { - */ - u64 xstate_fx_sw_bytes[USER_XSTATE_FX_SW_WORDS]; - --void update_regset_xstate_info(unsigned int size, u64 xstate_mask) -+void __init update_regset_xstate_info(unsigned int size, u64 xstate_mask) - { - #ifdef CONFIG_X86_64 - x86_64_regsets[REGSET_XSTATE].n = size / sizeof(u64); -@@ -1415,7 +1429,7 @@ static void fill_sigtrap_info(struct task_struct *tsk, - memset(info, 0, sizeof(*info)); - info->si_signo = SIGTRAP; - info->si_code = si_code; -- info->si_addr = user_mode(regs) ? (void __user *)regs->ip : NULL; -+ info->si_addr = user_mode(regs) ? (__force void __user *)regs->ip : NULL; - } - - void user_single_step_siginfo(struct task_struct *tsk, -@@ -1449,6 +1463,10 @@ static void do_audit_syscall_entry(struct pt_regs *regs, u32 arch) - } - } - -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern void gr_delayed_cred_worker(void); -+#endif -+ - /* - * We can return 0 to resume the syscall or anything else to go to phase - * 2. If we resume the syscall, we need to put something appropriate in -@@ -1556,6 +1574,11 @@ long syscall_trace_enter_phase2(struct pt_regs *regs, u32 arch, - - BUG_ON(regs != task_pt_regs(current)); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - /* - * If we stepped into a sysenter/syscall insn, it trapped in - * kernel mode; do_debug() cleared TF and set TIF_SINGLESTEP. -@@ -1614,6 +1637,11 @@ void syscall_trace_leave(struct pt_regs *regs) - */ - user_exit(); - -+#ifdef CONFIG_GRKERNSEC_SETXID -+ if (unlikely(test_and_clear_thread_flag(TIF_GRSEC_SETXID))) -+ gr_delayed_cred_worker(); -+#endif -+ - audit_syscall_exit(regs); - - if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT))) -diff --git a/arch/x86/kernel/pvclock.c b/arch/x86/kernel/pvclock.c -index 2f355d2..e75ed0a 100644 ---- a/arch/x86/kernel/pvclock.c -+++ b/arch/x86/kernel/pvclock.c -@@ -51,11 +51,11 @@ void pvclock_touch_watchdogs(void) - reset_hung_task_detector(); - } - --static atomic64_t last_value = ATOMIC64_INIT(0); -+static atomic64_unchecked_t last_value = ATOMIC64_INIT(0); - - void pvclock_resume(void) - { -- atomic64_set(&last_value, 0); -+ atomic64_set_unchecked(&last_value, 0); - } - - u8 pvclock_read_flags(struct pvclock_vcpu_time_info *src) -@@ -105,11 +105,11 @@ cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src) - * updating at the same time, and one of them could be slightly behind, - * making the assumption that last_value always go forward fail to hold. - */ -- last = atomic64_read(&last_value); -+ last = atomic64_read_unchecked(&last_value); - do { - if (ret < last) - return last; -- last = atomic64_cmpxchg(&last_value, last, ret); -+ last = atomic64_cmpxchg_unchecked(&last_value, last, ret); - } while (unlikely(last != ret)); - - return ret; -diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c -index 86db4bc..a50a54a 100644 ---- a/arch/x86/kernel/reboot.c -+++ b/arch/x86/kernel/reboot.c -@@ -70,6 +70,11 @@ static int __init set_bios_reboot(const struct dmi_system_id *d) - - void __noreturn machine_real_restart(unsigned int type) - { -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)) -+ struct desc_struct *gdt; -+#endif -+ - local_irq_disable(); - - /* -@@ -97,7 +102,29 @@ void __noreturn machine_real_restart(unsigned int type) - - /* Jump to the identity-mapped low memory code */ - #ifdef CONFIG_X86_32 -- asm volatile("jmpl *%0" : : -+ -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ gdt = get_cpu_gdt_table(smp_processor_id()); -+ pax_open_kernel(); -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ gdt[GDT_ENTRY_KERNEL_DS].type = 3; -+ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf; -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); -+ loadsegment(ss, __KERNEL_DS); -+#endif -+#ifdef CONFIG_PAX_KERNEXEC -+ gdt[GDT_ENTRY_KERNEL_CS].base0 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].base1 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].base2 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].limit0 = 0xffff; -+ gdt[GDT_ENTRY_KERNEL_CS].limit = 0xf; -+ gdt[GDT_ENTRY_KERNEL_CS].g = 1; -+#endif -+ pax_close_kernel(); -+#endif -+ -+ asm volatile("ljmpl *%0" : : - "rm" (real_mode_header->machine_real_restart_asm), - "a" (type)); - #else -@@ -137,7 +164,7 @@ static int __init set_kbd_reboot(const struct dmi_system_id *d) - /* - * This is a single dmi_table handling all reboot quirks. - */ --static struct dmi_system_id __initdata reboot_dmi_table[] = { -+static const struct dmi_system_id __initconst reboot_dmi_table[] = { - - /* Acer */ - { /* Handle reboot issue on Acer Aspire one */ -@@ -511,7 +538,7 @@ void __attribute__((weak)) mach_reboot_fixups(void) - * This means that this function can never return, it can misbehave - * by not rebooting properly and hanging. - */ --static void native_machine_emergency_restart(void) -+static void __noreturn native_machine_emergency_restart(void) - { - int i; - int attempt = 0; -@@ -631,13 +658,13 @@ void native_machine_shutdown(void) - #endif - } - --static void __machine_emergency_restart(int emergency) -+static void __noreturn __machine_emergency_restart(int emergency) - { - reboot_emergency = emergency; - machine_ops.emergency_restart(); - } - --static void native_machine_restart(char *__unused) -+static void __noreturn native_machine_restart(char *__unused) - { - pr_notice("machine restart\n"); - -@@ -646,7 +673,7 @@ static void native_machine_restart(char *__unused) - __machine_emergency_restart(0); - } - --static void native_machine_halt(void) -+static void __noreturn native_machine_halt(void) - { - /* Stop other cpus and apics */ - machine_shutdown(); -@@ -656,7 +683,7 @@ static void native_machine_halt(void) - stop_this_cpu(NULL); - } - --static void native_machine_power_off(void) -+static void __noreturn native_machine_power_off(void) - { - if (pm_power_off) { - if (!reboot_force) -@@ -665,9 +692,10 @@ static void native_machine_power_off(void) - } - /* A fallback in case there is no PM info available */ - tboot_shutdown(TB_SHUTDOWN_HALT); -+ unreachable(); - } - --struct machine_ops machine_ops = { -+struct machine_ops machine_ops __read_only = { - .power_off = native_machine_power_off, - .shutdown = native_machine_shutdown, - .emergency_restart = native_machine_emergency_restart, -diff --git a/arch/x86/kernel/reboot_fixups_32.c b/arch/x86/kernel/reboot_fixups_32.c -index c8e41e9..64049ef 100644 ---- a/arch/x86/kernel/reboot_fixups_32.c -+++ b/arch/x86/kernel/reboot_fixups_32.c -@@ -57,7 +57,7 @@ struct device_fixup { - unsigned int vendor; - unsigned int device; - void (*reboot_fixup)(struct pci_dev *); --}; -+} __do_const; - - /* - * PCI ids solely used for fixups_table go here -diff --git a/arch/x86/kernel/relocate_kernel_64.S b/arch/x86/kernel/relocate_kernel_64.S -index 98111b3..73ca125 100644 ---- a/arch/x86/kernel/relocate_kernel_64.S -+++ b/arch/x86/kernel/relocate_kernel_64.S -@@ -96,8 +96,7 @@ relocate_kernel: - - /* jump to identity mapped page */ - addq $(identity_mapped - relocate_kernel), %r8 -- pushq %r8 -- ret -+ jmp *%r8 - - identity_mapped: - /* set return address to 0 if not preserving context */ -diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c -index d74ac33..6d14941 100644 ---- a/arch/x86/kernel/setup.c -+++ b/arch/x86/kernel/setup.c -@@ -111,6 +111,7 @@ - #include <asm/mce.h> - #include <asm/alternative.h> - #include <asm/prom.h> -+#include <asm/boot.h> - - /* - * max_low_pfn_mapped: highest direct mapped pfn under 4GB -@@ -206,10 +207,12 @@ EXPORT_SYMBOL(boot_cpu_data); - #endif - - --#if !defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64) --__visible unsigned long mmu_cr4_features; -+#ifdef CONFIG_X86_64 -+__visible unsigned long mmu_cr4_features __read_only = X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE; -+#elif defined(CONFIG_X86_PAE) -+__visible unsigned long mmu_cr4_features __read_only = X86_CR4_PAE; - #else --__visible unsigned long mmu_cr4_features = X86_CR4_PAE; -+__visible unsigned long mmu_cr4_features __read_only; - #endif - - /* Boot loader ID and version as integers, for the benefit of proc_dointvec */ -@@ -771,7 +774,7 @@ static void __init trim_bios_range(void) - * area (640->1Mb) as ram even though it is not. - * take them out. - */ -- e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1); -+ e820_remove_range(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS, E820_RAM, 1); - - sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); - } -@@ -779,7 +782,7 @@ static void __init trim_bios_range(void) - /* called before trim_bios_range() to spare extra sanitize */ - static void __init e820_add_kernel_range(void) - { -- u64 start = __pa_symbol(_text); -+ u64 start = __pa_symbol(ktla_ktva(_text)); - u64 size = __pa_symbol(_end) - start; - - /* -@@ -860,8 +863,8 @@ dump_kernel_offset(struct notifier_block *self, unsigned long v, void *p) - - void __init setup_arch(char **cmdline_p) - { -- memblock_reserve(__pa_symbol(_text), -- (unsigned long)__bss_stop - (unsigned long)_text); -+ memblock_reserve(__pa_symbol(ktla_ktva((unsigned long)_text)), -+ (unsigned long)__bss_stop - ktla_ktva((unsigned long)_text)); - - early_reserve_initrd(); - -@@ -959,16 +962,16 @@ void __init setup_arch(char **cmdline_p) - - if (!boot_params.hdr.root_flags) - root_mountflags &= ~MS_RDONLY; -- init_mm.start_code = (unsigned long) _text; -- init_mm.end_code = (unsigned long) _etext; -+ init_mm.start_code = ktla_ktva((unsigned long) _text); -+ init_mm.end_code = ktla_ktva((unsigned long) _etext); - init_mm.end_data = (unsigned long) _edata; - init_mm.brk = _brk_end; - - mpx_mm_init(&init_mm); - -- code_resource.start = __pa_symbol(_text); -- code_resource.end = __pa_symbol(_etext)-1; -- data_resource.start = __pa_symbol(_etext); -+ code_resource.start = __pa_symbol(ktla_ktva(_text)); -+ code_resource.end = __pa_symbol(ktla_ktva(_etext))-1; -+ data_resource.start = __pa_symbol(_sdata); - data_resource.end = __pa_symbol(_edata)-1; - bss_resource.start = __pa_symbol(__bss_start); - bss_resource.end = __pa_symbol(__bss_stop)-1; -diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c -index e4fcb87..9c06c55 100644 ---- a/arch/x86/kernel/setup_percpu.c -+++ b/arch/x86/kernel/setup_percpu.c -@@ -21,19 +21,17 @@ - #include <asm/cpu.h> - #include <asm/stackprotector.h> - --DEFINE_PER_CPU_READ_MOSTLY(int, cpu_number); -+#ifdef CONFIG_SMP -+DEFINE_PER_CPU_READ_MOSTLY(unsigned int, cpu_number); - EXPORT_PER_CPU_SYMBOL(cpu_number); -+#endif - --#ifdef CONFIG_X86_64 - #define BOOT_PERCPU_OFFSET ((unsigned long)__per_cpu_load) --#else --#define BOOT_PERCPU_OFFSET 0 --#endif - - DEFINE_PER_CPU_READ_MOSTLY(unsigned long, this_cpu_off) = BOOT_PERCPU_OFFSET; - EXPORT_PER_CPU_SYMBOL(this_cpu_off); - --unsigned long __per_cpu_offset[NR_CPUS] __read_mostly = { -+unsigned long __per_cpu_offset[NR_CPUS] __read_only = { - [0 ... NR_CPUS-1] = BOOT_PERCPU_OFFSET, - }; - EXPORT_SYMBOL(__per_cpu_offset); -@@ -66,7 +64,7 @@ static bool __init pcpu_need_numa(void) - { - #ifdef CONFIG_NEED_MULTIPLE_NODES - pg_data_t *last = NULL; -- unsigned int cpu; -+ int cpu; - - for_each_possible_cpu(cpu) { - int node = early_cpu_to_node(cpu); -@@ -155,10 +153,10 @@ static inline void setup_percpu_segment(int cpu) - { - #ifdef CONFIG_X86_32 - struct desc_struct gdt; -+ unsigned long base = per_cpu_offset(cpu); - -- pack_descriptor(&gdt, per_cpu_offset(cpu), 0xFFFFF, -- 0x2 | DESCTYPE_S, 0x8); -- gdt.s = 1; -+ pack_descriptor(&gdt, base, (VMALLOC_END - base - 1) >> PAGE_SHIFT, -+ 0x83 | DESCTYPE_S, 0xC); - write_gdt_entry(get_cpu_gdt_table(cpu), - GDT_ENTRY_PERCPU, &gdt, DESCTYPE_S); - #endif -@@ -219,6 +217,11 @@ void __init setup_per_cpu_areas(void) - /* alrighty, percpu areas up and running */ - delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start; - for_each_possible_cpu(cpu) { -+#ifdef CONFIG_CC_STACKPROTECTOR -+#ifdef CONFIG_X86_32 -+ unsigned long canary = per_cpu(stack_canary.canary, cpu); -+#endif -+#endif - per_cpu_offset(cpu) = delta + pcpu_unit_offsets[cpu]; - per_cpu(this_cpu_off, cpu) = per_cpu_offset(cpu); - per_cpu(cpu_number, cpu) = cpu; -@@ -259,6 +262,12 @@ void __init setup_per_cpu_areas(void) - */ - set_cpu_numa_node(cpu, early_cpu_to_node(cpu)); - #endif -+#ifdef CONFIG_CC_STACKPROTECTOR -+#ifdef CONFIG_X86_32 -+ if (!cpu) -+ per_cpu(stack_canary.canary, cpu) = canary; -+#endif -+#endif - /* - * Up to this point, the boot CPU has been using .init.data - * area. Reload any changed state for the boot CPU. -diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c -index e0fd5f47..b551e66 100644 ---- a/arch/x86/kernel/signal.c -+++ b/arch/x86/kernel/signal.c -@@ -189,7 +189,7 @@ static unsigned long align_sigframe(unsigned long sp) - * Align the stack pointer according to the i386 ABI, - * i.e. so that on function entry ((sp + 4) & 15) == 0. - */ -- sp = ((sp + 4) & -16ul) - 4; -+ sp = ((sp - 12) & -16ul) - 4; - #else /* !CONFIG_X86_32 */ - sp = round_down(sp, 16) - 8; - #endif -@@ -297,10 +297,9 @@ __setup_frame(int sig, struct ksignal *ksig, sigset_t *set, - } - - if (current->mm->context.vdso) -- restorer = current->mm->context.vdso + -- selected_vdso32->sym___kernel_sigreturn; -+ restorer = (void __force_user *)(current->mm->context.vdso + selected_vdso32->sym___kernel_sigreturn); - else -- restorer = &frame->retcode; -+ restorer = (void __user *)&frame->retcode; - if (ksig->ka.sa.sa_flags & SA_RESTORER) - restorer = ksig->ka.sa.sa_restorer; - -@@ -314,7 +313,7 @@ __setup_frame(int sig, struct ksignal *ksig, sigset_t *set, - * reasons and because gdb uses it as a signature to notice - * signal handler stack frames. - */ -- err |= __put_user(*((u64 *)&retcode), (u64 *)frame->retcode); -+ err |= __put_user(*((u64 *)&retcode), (u64 __user *)frame->retcode); - - if (err) - return -EFAULT; -@@ -361,8 +360,10 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, - save_altstack_ex(&frame->uc.uc_stack, regs->sp); - - /* Set up to return from userspace. */ -- restorer = current->mm->context.vdso + -- selected_vdso32->sym___kernel_rt_sigreturn; -+ if (current->mm->context.vdso) -+ restorer = (void __force_user *)(current->mm->context.vdso + selected_vdso32->sym___kernel_rt_sigreturn); -+ else -+ restorer = (void __user *)&frame->retcode; - if (ksig->ka.sa.sa_flags & SA_RESTORER) - restorer = ksig->ka.sa.sa_restorer; - put_user_ex(restorer, &frame->pretcode); -@@ -374,7 +375,7 @@ static int __setup_rt_frame(int sig, struct ksignal *ksig, - * reasons and because gdb uses it as a signature to notice - * signal handler stack frames. - */ -- put_user_ex(*((u64 *)&rt_retcode), (u64 *)frame->retcode); -+ put_user_ex(*((u64 *)&rt_retcode), (u64 __user *)frame->retcode); - } put_user_catch(err); - - err |= copy_siginfo_to_user(&frame->info, &ksig->info); -@@ -594,7 +595,12 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs) - { - int usig = ksig->sig; - sigset_t *set = sigmask_to_save(); -- compat_sigset_t *cset = (compat_sigset_t *) set; -+ sigset_t sigcopy; -+ compat_sigset_t *cset; -+ -+ sigcopy = *set; -+ -+ cset = (compat_sigset_t *) &sigcopy; - - /* Set up the stack frame */ - if (is_ia32_frame()) { -@@ -605,7 +611,7 @@ setup_rt_frame(struct ksignal *ksig, struct pt_regs *regs) - } else if (is_x32_frame()) { - return x32_setup_rt_frame(ksig, cset, regs); - } else { -- return __setup_rt_frame(ksig->sig, ksig, set, regs); -+ return __setup_rt_frame(ksig->sig, ksig, &sigcopy, regs); - } - } - -diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c -index be8e1bd..a3d93fa 100644 ---- a/arch/x86/kernel/smp.c -+++ b/arch/x86/kernel/smp.c -@@ -341,7 +341,7 @@ static int __init nonmi_ipi_setup(char *str) - - __setup("nonmi_ipi", nonmi_ipi_setup); - --struct smp_ops smp_ops = { -+struct smp_ops smp_ops __read_only = { - .smp_prepare_boot_cpu = native_smp_prepare_boot_cpu, - .smp_prepare_cpus = native_smp_prepare_cpus, - .smp_cpus_done = native_smp_cpus_done, -diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c -index 50e547e..d59d06a 100644 ---- a/arch/x86/kernel/smpboot.c -+++ b/arch/x86/kernel/smpboot.c -@@ -226,14 +226,17 @@ static void notrace start_secondary(void *unused) - - enable_start_cpu0 = 0; - --#ifdef CONFIG_X86_32 -+ /* otherwise gcc will move up smp_processor_id before the cpu_init */ -+ barrier(); -+ - /* switch away from the initial page table */ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ load_cr3(get_cpu_pgd(smp_processor_id(), kernel)); -+#else - load_cr3(swapper_pg_dir); -+#endif - __flush_tlb_all(); --#endif - -- /* otherwise gcc will move up smp_processor_id before the cpu_init */ -- barrier(); - /* - * Check TSC synchronization with the BP: - */ -@@ -782,18 +785,17 @@ void common_cpu_up(unsigned int cpu, struct task_struct *idle) - alternatives_enable_smp(); - - per_cpu(current_task, cpu) = idle; -+ per_cpu(current_tinfo, cpu) = &idle->tinfo; - - #ifdef CONFIG_X86_32 - /* Stack for startup_32 can be just as for start_secondary onwards */ - irq_ctx_init(cpu); -- per_cpu(cpu_current_top_of_stack, cpu) = -- (unsigned long)task_stack_page(idle) + THREAD_SIZE; -+ per_cpu(cpu_current_top_of_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE; - #else - clear_tsk_thread_flag(idle, TIF_FORK); - initial_gs = per_cpu_offset(cpu); - #endif -- per_cpu(kernel_stack, cpu) = -- (unsigned long)task_stack_page(idle) + THREAD_SIZE; -+ per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE; - } - - /* -@@ -814,9 +816,11 @@ static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle) - unsigned long timeout; - - idle->thread.sp = (unsigned long) (((struct pt_regs *) -- (THREAD_SIZE + task_stack_page(idle))) - 1); -+ (THREAD_SIZE - 16 + task_stack_page(idle))) - 1); - -+ pax_open_kernel(); - early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu); -+ pax_close_kernel(); - initial_code = (unsigned long)start_secondary; - stack_start = idle->thread.sp; - -@@ -961,6 +965,15 @@ int native_cpu_up(unsigned int cpu, struct task_struct *tidle) - - common_cpu_up(cpu, tidle); - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(cpu, kernel) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+ clone_pgd_range(get_cpu_pgd(cpu, user) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+#endif -+ - err = do_boot_cpu(apicid, cpu, tidle); - if (err) { - pr_err("do_boot_cpu failed(%d) to wakeup CPU#%u\n", err, cpu); -diff --git a/arch/x86/kernel/step.c b/arch/x86/kernel/step.c -index 9b4d51d..5d28b58 100644 ---- a/arch/x86/kernel/step.c -+++ b/arch/x86/kernel/step.c -@@ -27,10 +27,10 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re - struct desc_struct *desc; - unsigned long base; - -- seg &= ~7UL; -+ seg >>= 3; - - mutex_lock(&child->mm->context.lock); -- if (unlikely((seg >> 3) >= child->mm->context.size)) -+ if (unlikely(seg >= child->mm->context.size)) - addr = -1L; /* bogus selector, access would fault */ - else { - desc = child->mm->context.ldt + seg; -@@ -42,7 +42,8 @@ unsigned long convert_ip_to_linear(struct task_struct *child, struct pt_regs *re - addr += base; - } - mutex_unlock(&child->mm->context.lock); -- } -+ } else if (seg == __KERNEL_CS || seg == __KERNEXEC_KERNEL_CS) -+ addr = ktla_ktva(addr); - - return addr; - } -@@ -53,6 +54,9 @@ static int is_setting_trap_flag(struct task_struct *child, struct pt_regs *regs) - unsigned char opcode[15]; - unsigned long addr = convert_ip_to_linear(child, regs); - -+ if (addr == -EINVAL) -+ return 0; -+ - copied = access_process_vm(child, addr, opcode, sizeof(opcode), 0); - for (i = 0; i < copied; i++) { - switch (opcode[i]) { -diff --git a/arch/x86/kernel/sys_i386_32.c b/arch/x86/kernel/sys_i386_32.c -new file mode 100644 -index 0000000..5877189 ---- /dev/null -+++ b/arch/x86/kernel/sys_i386_32.c -@@ -0,0 +1,189 @@ -+/* -+ * This file contains various random system calls that -+ * have a non-standard calling sequence on the Linux/i386 -+ * platform. -+ */ -+ -+#include <linux/errno.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/fs.h> -+#include <linux/smp.h> -+#include <linux/sem.h> -+#include <linux/msg.h> -+#include <linux/shm.h> -+#include <linux/stat.h> -+#include <linux/syscalls.h> -+#include <linux/mman.h> -+#include <linux/file.h> -+#include <linux/utsname.h> -+#include <linux/ipc.h> -+#include <linux/elf.h> -+ -+#include <linux/uaccess.h> -+#include <linux/unistd.h> -+ -+#include <asm/syscalls.h> -+ -+int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags) -+{ -+ unsigned long pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ if (flags & MAP_FIXED) -+ if (len > pax_task_size || addr > pax_task_size - len) -+ return -EINVAL; -+ -+ return 0; -+} -+ -+/* -+ * Align a virtual address to avoid aliasing in the I$ on AMD F15h. -+ */ -+static unsigned long get_align_mask(void) -+{ -+ if (va_align.flags < 0 || !(va_align.flags & ALIGN_VA_32)) -+ return 0; -+ -+ if (!(current->flags & PF_RANDOMIZE)) -+ return 0; -+ -+ return va_align.mask; -+} -+ -+unsigned long -+arch_get_unmapped_area(struct file *filp, unsigned long addr, -+ unsigned long len, unsigned long pgoff, unsigned long flags) -+{ -+ struct mm_struct *mm = current->mm; -+ struct vm_area_struct *vma; -+ unsigned long pax_task_size = TASK_SIZE; -+ struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (len > pax_task_size) -+ return -ENOMEM; -+ -+ if (flags & MAP_FIXED) -+ return addr; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ -+ if (addr) { -+ addr = PAGE_ALIGN(addr); -+ if (pax_task_size - len >= addr) { -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len, offset)) -+ return addr; -+ } -+ } -+ -+ info.flags = 0; -+ info.length = len; -+ info.align_mask = filp ? get_align_mask() : 0; -+ info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE)) { -+ info.low_limit = 0x00110000UL; -+ info.high_limit = mm->start_code; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap & 0x03FFF000UL; -+#endif -+ -+ if (info.low_limit < info.high_limit) { -+ addr = vm_unmapped_area(&info); -+ if (!IS_ERR_VALUE(addr)) -+ return addr; -+ } -+ } else -+#endif -+ -+ info.low_limit = mm->mmap_base; -+ info.high_limit = pax_task_size; -+ -+ return vm_unmapped_area(&info); -+} -+ -+unsigned long -+arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, -+ const unsigned long len, const unsigned long pgoff, -+ const unsigned long flags) -+{ -+ struct vm_area_struct *vma; -+ struct mm_struct *mm = current->mm; -+ unsigned long addr = addr0, pax_task_size = TASK_SIZE; -+ struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ /* requested length too big for entire address space */ -+ if (len > pax_task_size) -+ return -ENOMEM; -+ -+ if (flags & MAP_FIXED) -+ return addr; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE)) -+ goto bottomup; -+#endif -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ -+ /* requesting a specific address */ -+ if (addr) { -+ addr = PAGE_ALIGN(addr); -+ if (pax_task_size - len >= addr) { -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len, offset)) -+ return addr; -+ } -+ } -+ -+ info.flags = VM_UNMAPPED_AREA_TOPDOWN; -+ info.length = len; -+ info.low_limit = PAGE_SIZE; -+ info.high_limit = mm->mmap_base; -+ info.align_mask = filp ? get_align_mask() : 0; -+ info.align_offset = pgoff << PAGE_SHIFT; -+ info.threadstack_offset = offset; -+ -+ addr = vm_unmapped_area(&info); -+ if (!(addr & ~PAGE_MASK)) -+ return addr; -+ VM_BUG_ON(addr != -ENOMEM); -+ -+bottomup: -+ /* -+ * A failed mmap() very likely causes application failure, -+ * so fall back to the bottom-up function here. This scenario -+ * can happen with large stack limits and large mmap() -+ * allocations. -+ */ -+ return arch_get_unmapped_area(filp, addr0, len, pgoff, flags); -+} -diff --git a/arch/x86/kernel/sys_x86_64.c b/arch/x86/kernel/sys_x86_64.c -index 10e0272..b4bb9a7 100644 ---- a/arch/x86/kernel/sys_x86_64.c -+++ b/arch/x86/kernel/sys_x86_64.c -@@ -97,8 +97,8 @@ out: - return error; - } - --static void find_start_end(unsigned long flags, unsigned long *begin, -- unsigned long *end) -+static void find_start_end(struct mm_struct *mm, unsigned long flags, -+ unsigned long *begin, unsigned long *end) - { - if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT)) { - unsigned long new_begin; -@@ -117,7 +117,7 @@ static void find_start_end(unsigned long flags, unsigned long *begin, - *begin = new_begin; - } - } else { -- *begin = current->mm->mmap_legacy_base; -+ *begin = mm->mmap_legacy_base; - *end = TASK_SIZE; - } - } -@@ -130,20 +130,24 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - struct vm_area_struct *vma; - struct vm_unmapped_area_info info; - unsigned long begin, end; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - if (flags & MAP_FIXED) - return addr; - -- find_start_end(flags, &begin, &end); -+ find_start_end(mm, flags, &begin, &end); - - if (len > end) - return -ENOMEM; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); -- if (end - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (end - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -157,6 +161,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.align_mask = get_align_mask(); - info.align_offset += get_align_bits(); - } -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - -@@ -169,6 +174,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - /* requested length too big for entire address space */ - if (len > TASK_SIZE) -@@ -181,12 +187,15 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - if (!test_thread_flag(TIF_ADDR32) && (flags & MAP_32BIT)) - goto bottomup; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -200,6 +209,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.align_mask = get_align_mask(); - info.align_offset += get_align_bits(); - } -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - if (!(addr & ~PAGE_MASK)) - return addr; -diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c -index 91a4496..42fc304 100644 ---- a/arch/x86/kernel/tboot.c -+++ b/arch/x86/kernel/tboot.c -@@ -44,6 +44,7 @@ - #include <asm/setup.h> - #include <asm/e820.h> - #include <asm/io.h> -+#include <asm/tlbflush.h> - - #include "../realmode/rm/wakeup.h" - -@@ -221,7 +222,7 @@ static int tboot_setup_sleep(void) - - void tboot_shutdown(u32 shutdown_type) - { -- void (*shutdown)(void); -+ void (* __noreturn shutdown)(void); - - if (!tboot_enabled()) - return; -@@ -242,8 +243,9 @@ void tboot_shutdown(u32 shutdown_type) - tboot->shutdown_type = shutdown_type; - - switch_to_tboot_pt(); -+ cr4_clear_bits(X86_CR4_PCIDE); - -- shutdown = (void(*)(void))(unsigned long)tboot->shutdown_entry; -+ shutdown = (void *)(unsigned long)tboot->shutdown_entry; - shutdown(); - - /* should not reach here */ -@@ -310,7 +312,7 @@ static int tboot_extended_sleep(u8 sleep_state, u32 val_a, u32 val_b) - return -ENODEV; - } - --static atomic_t ap_wfs_count; -+static atomic_unchecked_t ap_wfs_count; - - static int tboot_wait_for_aps(int num_aps) - { -@@ -334,9 +336,9 @@ static int tboot_cpu_callback(struct notifier_block *nfb, unsigned long action, - { - switch (action) { - case CPU_DYING: -- atomic_inc(&ap_wfs_count); -+ atomic_inc_unchecked(&ap_wfs_count); - if (num_online_cpus() == 1) -- if (tboot_wait_for_aps(atomic_read(&ap_wfs_count))) -+ if (tboot_wait_for_aps(atomic_read_unchecked(&ap_wfs_count))) - return NOTIFY_BAD; - break; - } -@@ -422,7 +424,7 @@ static __init int tboot_late_init(void) - - tboot_create_trampoline(); - -- atomic_set(&ap_wfs_count, 0); -+ atomic_set_unchecked(&ap_wfs_count, 0); - register_hotcpu_notifier(&tboot_cpu_notifier); - - #ifdef CONFIG_DEBUG_FS -diff --git a/arch/x86/kernel/time.c b/arch/x86/kernel/time.c -index d39c091..1df4349 100644 ---- a/arch/x86/kernel/time.c -+++ b/arch/x86/kernel/time.c -@@ -32,7 +32,7 @@ unsigned long profile_pc(struct pt_regs *regs) - - if (!user_mode(regs) && in_lock_functions(pc)) { - #ifdef CONFIG_FRAME_POINTER -- return *(unsigned long *)(regs->bp + sizeof(long)); -+ return ktla_ktva(*(unsigned long *)(regs->bp + sizeof(long))); - #else - unsigned long *sp = - (unsigned long *)kernel_stack_pointer(regs); -@@ -41,11 +41,17 @@ unsigned long profile_pc(struct pt_regs *regs) - * or above a saved flags. Eflags has bits 22-31 zero, - * kernel addresses don't. - */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ return ktla_ktva(sp[0]); -+#else - if (sp[0] >> 22) - return sp[0]; - if (sp[1] >> 22) - return sp[1]; - #endif -+ -+#endif - } - return pc; - } -diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c -index 7fc5e84..c6e445a 100644 ---- a/arch/x86/kernel/tls.c -+++ b/arch/x86/kernel/tls.c -@@ -139,6 +139,11 @@ int do_set_thread_area(struct task_struct *p, int idx, - if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX) - return -EINVAL; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((p->mm->pax_flags & MF_PAX_SEGMEXEC) && (info.contents & MODIFY_LDT_CONTENTS_CODE)) -+ return -EINVAL; -+#endif -+ - set_tls_desc(p, idx, &info, 1); - - return 0; -@@ -256,7 +261,7 @@ int regset_tls_set(struct task_struct *target, const struct user_regset *regset, - - if (kbuf) - info = kbuf; -- else if (__copy_from_user(infobuf, ubuf, count)) -+ else if (count > sizeof infobuf || __copy_from_user(infobuf, ubuf, count)) - return -EFAULT; - else - info = infobuf; -diff --git a/arch/x86/kernel/tracepoint.c b/arch/x86/kernel/tracepoint.c -index 1c113db..287b42e 100644 ---- a/arch/x86/kernel/tracepoint.c -+++ b/arch/x86/kernel/tracepoint.c -@@ -9,11 +9,11 @@ - #include <linux/atomic.h> - - atomic_t trace_idt_ctr = ATOMIC_INIT(0); --struct desc_ptr trace_idt_descr = { NR_VECTORS * 16 - 1, -+const struct desc_ptr trace_idt_descr = { NR_VECTORS * 16 - 1, - (unsigned long) trace_idt_table }; - - /* No need to be aligned, but done to keep all IDTs defined the same way. */ --gate_desc trace_idt_table[NR_VECTORS] __page_aligned_bss; -+gate_desc trace_idt_table[NR_VECTORS] __page_aligned_rodata; - - static int trace_irq_vector_refcount; - static DEFINE_MUTEX(irq_vector_mutex); -diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c -index 324ab52..0cfd2d05 100644 ---- a/arch/x86/kernel/traps.c -+++ b/arch/x86/kernel/traps.c -@@ -68,7 +68,7 @@ - #include <asm/proto.h> - - /* No need to be aligned, but done to keep all IDTs defined the same way. */ --gate_desc debug_idt_table[NR_VECTORS] __page_aligned_bss; -+gate_desc debug_idt_table[NR_VECTORS] __page_aligned_rodata; - #else - #include <asm/processor-flags.h> - #include <asm/setup.h> -@@ -77,7 +77,7 @@ asmlinkage int system_call(void); - #endif - - /* Must be page-aligned because the real IDT is used in a fixmap. */ --gate_desc idt_table[NR_VECTORS] __page_aligned_bss; -+gate_desc idt_table[NR_VECTORS] __page_aligned_rodata; - - DECLARE_BITMAP(used_vectors, NR_VECTORS); - EXPORT_SYMBOL_GPL(used_vectors); -@@ -174,7 +174,7 @@ void ist_begin_non_atomic(struct pt_regs *regs) - * will catch asm bugs and any attempt to use ist_preempt_enable - * from double_fault. - */ -- BUG_ON((unsigned long)(current_top_of_stack() - -+ BUG_ON((unsigned long)(current_top_of_stack(smp_processor_id()) - - current_stack_pointer()) >= THREAD_SIZE); - - preempt_count_sub(HARDIRQ_OFFSET); -@@ -191,7 +191,7 @@ void ist_end_non_atomic(void) - } - - static nokprobe_inline int --do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, -+do_trap_no_signal(struct task_struct *tsk, int trapnr, const char *str, - struct pt_regs *regs, long error_code) - { - if (v8086_mode(regs)) { -@@ -211,8 +211,20 @@ do_trap_no_signal(struct task_struct *tsk, int trapnr, char *str, - if (!fixup_exception(regs)) { - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = trapnr; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (trapnr == X86_TRAP_SS && ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS)) -+ str = "PAX: suspicious stack segment fault"; -+#endif -+ - die(str, regs, error_code); - } -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (trapnr == X86_TRAP_OF) -+ pax_report_refcount_overflow(regs); -+#endif -+ - return 0; - } - -@@ -251,7 +263,7 @@ static siginfo_t *fill_trap_info(struct pt_regs *regs, int signr, int trapnr, - } - - static void --do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, -+do_trap(int trapnr, int signr, const char *str, struct pt_regs *regs, - long error_code, siginfo_t *info) - { - struct task_struct *tsk = current; -@@ -275,7 +287,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, - if (show_unhandled_signals && unhandled_signal(tsk, signr) && - printk_ratelimit()) { - pr_info("%s[%d] trap %s ip:%lx sp:%lx error:%lx", -- tsk->comm, tsk->pid, str, -+ tsk->comm, task_pid_nr(tsk), str, - regs->ip, regs->sp, error_code); - print_vma_addr(" in ", regs->ip); - pr_cont("\n"); -@@ -357,6 +369,11 @@ dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code) - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = X86_TRAP_DF; - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ if ((unsigned long)tsk->stack - regs->sp <= PAGE_SIZE) -+ die("grsec: kernel stack overflow detected", regs, error_code); -+#endif -+ - #ifdef CONFIG_DOUBLEFAULT - df_debug(regs, error_code); - #endif -@@ -475,11 +492,35 @@ do_general_protection(struct pt_regs *regs, long error_code) - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = X86_TRAP_GP; - if (notify_die(DIE_GPF, "general protection fault", regs, error_code, -- X86_TRAP_GP, SIGSEGV) != NOTIFY_STOP) -+ X86_TRAP_GP, SIGSEGV) != NOTIFY_STOP) { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS) -+ die("PAX: suspicious general protection fault", regs, error_code); -+ else -+#endif -+ - die("general protection fault", regs, error_code); -+ } - goto exit; - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (!(__supported_pte_mask & _PAGE_NX) && tsk->mm && (tsk->mm->pax_flags & MF_PAX_PAGEEXEC)) { -+ struct mm_struct *mm = tsk->mm; -+ unsigned long limit; -+ -+ down_write(&mm->mmap_sem); -+ limit = mm->context.user_cs_limit; -+ if (limit < TASK_SIZE) { -+ track_exec_limit(mm, limit, TASK_SIZE, VM_EXEC); -+ up_write(&mm->mmap_sem); -+ return; -+ } -+ up_write(&mm->mmap_sem); -+ } -+#endif -+ - tsk->thread.error_code = error_code; - tsk->thread.trap_nr = X86_TRAP_GP; - -@@ -578,6 +619,9 @@ struct bad_iret_stack *fixup_bad_iret(struct bad_iret_stack *s) - container_of(task_pt_regs(current), - struct bad_iret_stack, regs); - -+ if ((current->thread.sp0 ^ (unsigned long)s) < THREAD_SIZE) -+ new_stack = s; -+ - /* Copy the IRET target to the new stack. */ - memmove(&new_stack->regs.ip, (void *)s->regs.sp, 5*8); - -diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c -index 5054497..139f8f8 100644 ---- a/arch/x86/kernel/tsc.c -+++ b/arch/x86/kernel/tsc.c -@@ -150,7 +150,7 @@ static void cyc2ns_write_end(int cpu, struct cyc2ns_data *data) - */ - smp_wmb(); - -- ACCESS_ONCE(c2n->head) = data; -+ ACCESS_ONCE_RW(c2n->head) = data; - } - - /* -diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c -index 0b81ad6..fff670e 100644 ---- a/arch/x86/kernel/uprobes.c -+++ b/arch/x86/kernel/uprobes.c -@@ -986,7 +986,7 @@ arch_uretprobe_hijack_return_addr(unsigned long trampoline_vaddr, struct pt_regs - - if (nleft != rasize) { - pr_err("uprobe: return address clobbered: pid=%d, %%sp=%#lx, " -- "%%ip=%#lx\n", current->pid, regs->sp, regs->ip); -+ "%%ip=%#lx\n", task_pid_nr(current), regs->sp, regs->ip); - - force_sig_info(SIGSEGV, SEND_SIG_FORCED, current); - } -diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S -index b9242ba..50c5edd 100644 ---- a/arch/x86/kernel/verify_cpu.S -+++ b/arch/x86/kernel/verify_cpu.S -@@ -20,6 +20,7 @@ - * arch/x86/boot/compressed/head_64.S: Boot cpu verification - * arch/x86/kernel/trampoline_64.S: secondary processor verification - * arch/x86/kernel/head_32.S: processor startup -+ * arch/x86/kernel/acpi/realmode/wakeup.S: 32bit processor resume - * - * verify_cpu, returns the status of longmode and SSE in register %eax. - * 0: Success 1: Failure -diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c -index fc9db6e..2c5865d 100644 ---- a/arch/x86/kernel/vm86_32.c -+++ b/arch/x86/kernel/vm86_32.c -@@ -44,6 +44,7 @@ - #include <linux/ptrace.h> - #include <linux/audit.h> - #include <linux/stddef.h> -+#include <linux/grsecurity.h> - - #include <asm/uaccess.h> - #include <asm/io.h> -@@ -150,7 +151,7 @@ struct pt_regs *save_v86_state(struct kernel_vm86_regs *regs) - do_exit(SIGSEGV); - } - -- tss = &per_cpu(cpu_tss, get_cpu()); -+ tss = cpu_tss + get_cpu(); - current->thread.sp0 = current->thread.saved_sp0; - current->thread.sysenter_cs = __KERNEL_CS; - load_sp0(tss, &current->thread); -@@ -214,6 +215,14 @@ SYSCALL_DEFINE1(vm86old, struct vm86_struct __user *, v86) - - if (tsk->thread.saved_sp0) - return -EPERM; -+ -+#ifdef CONFIG_GRKERNSEC_VM86 -+ if (!capable(CAP_SYS_RAWIO)) { -+ gr_handle_vm86(); -+ return -EPERM; -+ } -+#endif -+ - tmp = copy_vm86_regs_from_user(&info.regs, &v86->regs, - offsetof(struct kernel_vm86_struct, vm86plus) - - sizeof(info.regs)); -@@ -238,6 +247,13 @@ SYSCALL_DEFINE2(vm86, unsigned long, cmd, unsigned long, arg) - int tmp; - struct vm86plus_struct __user *v86; - -+#ifdef CONFIG_GRKERNSEC_VM86 -+ if (!capable(CAP_SYS_RAWIO)) { -+ gr_handle_vm86(); -+ return -EPERM; -+ } -+#endif -+ - tsk = current; - switch (cmd) { - case VM86_REQUEST_IRQ: -@@ -318,7 +334,7 @@ static void do_sys_vm86(struct kernel_vm86_struct *info, struct task_struct *tsk - tsk->thread.saved_fs = info->regs32->fs; - tsk->thread.saved_gs = get_user_gs(info->regs32); - -- tss = &per_cpu(cpu_tss, get_cpu()); -+ tss = cpu_tss + get_cpu(); - tsk->thread.sp0 = (unsigned long) &info->VM86_TSS_ESP0; - if (cpu_has_sep) - tsk->thread.sysenter_cs = 0; -@@ -525,7 +541,7 @@ static void do_int(struct kernel_vm86_regs *regs, int i, - goto cannot_handle; - if (i == 0x21 && is_revectored(AH(regs), &KVM86->int21_revectored)) - goto cannot_handle; -- intr_ptr = (unsigned long __user *) (i << 2); -+ intr_ptr = (__force unsigned long __user *) (i << 2); - if (get_user(segoffs, intr_ptr)) - goto cannot_handle; - if ((segoffs >> 16) == BIOSSEG) -diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S -index 00bf300..129df8e 100644 ---- a/arch/x86/kernel/vmlinux.lds.S -+++ b/arch/x86/kernel/vmlinux.lds.S -@@ -26,6 +26,13 @@ - #include <asm/page_types.h> - #include <asm/cache.h> - #include <asm/boot.h> -+#include <asm/segment.h> -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+#define __KERNEL_TEXT_OFFSET (LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR) -+#else -+#define __KERNEL_TEXT_OFFSET 0 -+#endif - - #undef i386 /* in case the preprocessor is a 32bit one */ - -@@ -69,30 +76,43 @@ jiffies_64 = jiffies; - - PHDRS { - text PT_LOAD FLAGS(5); /* R_E */ -+#ifdef CONFIG_X86_32 -+ module PT_LOAD FLAGS(5); /* R_E */ -+#endif -+#ifdef CONFIG_XEN -+ rodata PT_LOAD FLAGS(5); /* R_E */ -+#else -+ rodata PT_LOAD FLAGS(4); /* R__ */ -+#endif - data PT_LOAD FLAGS(6); /* RW_ */ --#ifdef CONFIG_X86_64 -+ init.begin PT_LOAD FLAGS(6); /* RW_ */ - #ifdef CONFIG_SMP - percpu PT_LOAD FLAGS(6); /* RW_ */ - #endif -+ text.init PT_LOAD FLAGS(5); /* R_E */ -+ text.exit PT_LOAD FLAGS(5); /* R_E */ - init PT_LOAD FLAGS(7); /* RWE */ --#endif - note PT_NOTE FLAGS(0); /* ___ */ - } - - SECTIONS - { - #ifdef CONFIG_X86_32 -- . = LOAD_OFFSET + LOAD_PHYSICAL_ADDR; -- phys_startup_32 = startup_32 - LOAD_OFFSET; -+ . = LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR; - #else -- . = __START_KERNEL; -- phys_startup_64 = startup_64 - LOAD_OFFSET; -+ . = __START_KERNEL; - #endif - - /* Text and read-only data */ -- .text : AT(ADDR(.text) - LOAD_OFFSET) { -- _text = .; -+ .text (. - __KERNEL_TEXT_OFFSET): AT(ADDR(.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) { - /* bootstrapping code */ -+#ifdef CONFIG_X86_32 -+ phys_startup_32 = startup_32 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET; -+#else -+ phys_startup_64 = startup_64 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET; -+#endif -+ __LOAD_PHYSICAL_ADDR = . - LOAD_OFFSET + __KERNEL_TEXT_OFFSET; -+ _text = .; - HEAD_TEXT - . = ALIGN(8); - _stext = .; -@@ -104,13 +124,47 @@ SECTIONS - IRQENTRY_TEXT - *(.fixup) - *(.gnu.warning) -- /* End of text section */ -- _etext = .; - } :text = 0x9090 - -- NOTES :text :note -+ . += __KERNEL_TEXT_OFFSET; - -- EXCEPTION_TABLE(16) :text = 0x9090 -+#ifdef CONFIG_X86_32 -+ . = ALIGN(PAGE_SIZE); -+ .module.text : AT(ADDR(.module.text) - LOAD_OFFSET) { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ MODULES_EXEC_VADDR = .; -+ BYTE(0) -+ . += (CONFIG_PAX_KERNEXEC_MODULE_TEXT * 1024 * 1024); -+ . = ALIGN(HPAGE_SIZE) - 1; -+ MODULES_EXEC_END = .; -+#endif -+ -+ } :module -+#endif -+ -+ .text.end : AT(ADDR(.text.end) - LOAD_OFFSET) { -+ /* End of text section */ -+ BYTE(0) -+ _etext = . - __KERNEL_TEXT_OFFSET; -+ } -+ -+#ifdef CONFIG_X86_32 -+ . = ALIGN(PAGE_SIZE); -+ .rodata.page_aligned : AT(ADDR(.rodata.page_aligned) - LOAD_OFFSET) { -+ . = ALIGN(PAGE_SIZE); -+ *(.empty_zero_page) -+ *(.initial_pg_fixmap) -+ *(.initial_pg_pmd) -+ *(.initial_page_table) -+ *(.swapper_pg_dir) -+ } :rodata -+#endif -+ -+ . = ALIGN(PAGE_SIZE); -+ NOTES :rodata :note -+ -+ EXCEPTION_TABLE(16) :rodata - - #if defined(CONFIG_DEBUG_RODATA) - /* .text should occupy whole number of pages */ -@@ -122,16 +176,20 @@ SECTIONS - - /* Data */ - .data : AT(ADDR(.data) - LOAD_OFFSET) { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(HPAGE_SIZE); -+#else -+ . = ALIGN(PAGE_SIZE); -+#endif -+ - /* Start of data section */ - _sdata = .; - - /* init_task */ - INIT_TASK_DATA(THREAD_SIZE) - --#ifdef CONFIG_X86_32 -- /* 32 bit has nosave before _edata */ - NOSAVE_DATA --#endif - - PAGE_ALIGNED_DATA(PAGE_SIZE) - -@@ -174,12 +232,19 @@ SECTIONS - . = ALIGN(__vvar_page + PAGE_SIZE, PAGE_SIZE); - - /* Init code and data - will be freed after init */ -- . = ALIGN(PAGE_SIZE); - .init.begin : AT(ADDR(.init.begin) - LOAD_OFFSET) { -+ BYTE(0) -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(HPAGE_SIZE); -+#else -+ . = ALIGN(PAGE_SIZE); -+#endif -+ - __init_begin = .; /* paired with __init_end */ -- } -+ } :init.begin - --#if defined(CONFIG_X86_64) && defined(CONFIG_SMP) -+#ifdef CONFIG_SMP - /* - * percpu offsets are zero-based on SMP. PERCPU_VADDR() changes the - * output PHDR, so the next output section - .init.text - should -@@ -190,12 +255,27 @@ SECTIONS - "per-CPU data too large - increase CONFIG_PHYSICAL_START") - #endif - -- INIT_TEXT_SECTION(PAGE_SIZE) --#ifdef CONFIG_X86_64 -- :init --#endif -+ . = ALIGN(PAGE_SIZE); -+ init_begin = .; -+ .init.text (. - __KERNEL_TEXT_OFFSET): AT(init_begin - LOAD_OFFSET) { -+ VMLINUX_SYMBOL(_sinittext) = .; -+ INIT_TEXT -+ . = ALIGN(PAGE_SIZE); -+ } :text.init - -- INIT_DATA_SECTION(16) -+ /* -+ * .exit.text is discard at runtime, not link time, to deal with -+ * references from .altinstructions and .eh_frame -+ */ -+ .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) { -+ EXIT_TEXT -+ VMLINUX_SYMBOL(_einittext) = .; -+ . = ALIGN(16); -+ } :text.exit -+ . = init_begin + SIZEOF(.init.text) + SIZEOF(.exit.text); -+ -+ . = ALIGN(PAGE_SIZE); -+ INIT_DATA_SECTION(16) :init - - .x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) { - __x86_cpu_dev_start = .; -@@ -266,19 +346,12 @@ SECTIONS - } - - . = ALIGN(8); -- /* -- * .exit.text is discard at runtime, not link time, to deal with -- * references from .altinstructions and .eh_frame -- */ -- .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { -- EXIT_TEXT -- } - - .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { - EXIT_DATA - } - --#if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP) -+#ifndef CONFIG_SMP - PERCPU_SECTION(INTERNODE_CACHE_BYTES) - #endif - -@@ -297,16 +370,10 @@ SECTIONS - .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) { - __smp_locks = .; - *(.smp_locks) -- . = ALIGN(PAGE_SIZE); - __smp_locks_end = .; -+ . = ALIGN(PAGE_SIZE); - } - --#ifdef CONFIG_X86_64 -- .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { -- NOSAVE_DATA -- } --#endif -- - /* BSS */ - . = ALIGN(PAGE_SIZE); - .bss : AT(ADDR(.bss) - LOAD_OFFSET) { -@@ -322,6 +389,7 @@ SECTIONS - __brk_base = .; - . += 64 * 1024; /* 64k alignment slop space */ - *(.brk_reservation) /* areas brk users have reserved */ -+ . = ALIGN(HPAGE_SIZE); - __brk_limit = .; - } - -@@ -348,13 +416,12 @@ SECTIONS - * for the boot processor. - */ - #define INIT_PER_CPU(x) init_per_cpu__##x = x + __per_cpu_load --INIT_PER_CPU(gdt_page); - INIT_PER_CPU(irq_stack_union); - - /* - * Build-time check on the image size: - */ --. = ASSERT((_end - _text <= KERNEL_IMAGE_SIZE), -+. = ASSERT((_end - _text - __KERNEL_TEXT_OFFSET <= KERNEL_IMAGE_SIZE), - "kernel image bigger than KERNEL_IMAGE_SIZE"); - - #ifdef CONFIG_SMP -diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c -index 2dcc6ff..082dc7a 100644 ---- a/arch/x86/kernel/vsyscall_64.c -+++ b/arch/x86/kernel/vsyscall_64.c -@@ -38,15 +38,13 @@ - #define CREATE_TRACE_POINTS - #include "vsyscall_trace.h" - --static enum { EMULATE, NATIVE, NONE } vsyscall_mode = EMULATE; -+static enum { EMULATE, NONE } vsyscall_mode = EMULATE; - - static int __init vsyscall_setup(char *str) - { - if (str) { - if (!strcmp("emulate", str)) - vsyscall_mode = EMULATE; -- else if (!strcmp("native", str)) -- vsyscall_mode = NATIVE; - else if (!strcmp("none", str)) - vsyscall_mode = NONE; - else -@@ -264,8 +262,7 @@ do_ret: - return true; - - sigsegv: -- force_sig(SIGSEGV, current); -- return true; -+ do_group_exit(SIGKILL); - } - - /* -@@ -283,8 +280,8 @@ static struct vm_operations_struct gate_vma_ops = { - static struct vm_area_struct gate_vma = { - .vm_start = VSYSCALL_ADDR, - .vm_end = VSYSCALL_ADDR + PAGE_SIZE, -- .vm_page_prot = PAGE_READONLY_EXEC, -- .vm_flags = VM_READ | VM_EXEC, -+ .vm_page_prot = PAGE_READONLY, -+ .vm_flags = VM_READ, - .vm_ops = &gate_vma_ops, - }; - -@@ -325,10 +322,7 @@ void __init map_vsyscall(void) - unsigned long physaddr_vsyscall = __pa_symbol(&__vsyscall_page); - - if (vsyscall_mode != NONE) -- __set_fixmap(VSYSCALL_PAGE, physaddr_vsyscall, -- vsyscall_mode == NATIVE -- ? PAGE_KERNEL_VSYSCALL -- : PAGE_KERNEL_VVAR); -+ __set_fixmap(VSYSCALL_PAGE, physaddr_vsyscall, PAGE_KERNEL_VVAR); - - BUILD_BUG_ON((unsigned long)__fix_to_virt(VSYSCALL_PAGE) != - (unsigned long)VSYSCALL_ADDR); -diff --git a/arch/x86/kernel/x8664_ksyms_64.c b/arch/x86/kernel/x8664_ksyms_64.c -index 37d8fa4..66e319a 100644 ---- a/arch/x86/kernel/x8664_ksyms_64.c -+++ b/arch/x86/kernel/x8664_ksyms_64.c -@@ -34,8 +34,6 @@ EXPORT_SYMBOL(copy_user_generic_string); - EXPORT_SYMBOL(copy_user_generic_unrolled); - EXPORT_SYMBOL(copy_user_enhanced_fast_string); - EXPORT_SYMBOL(__copy_user_nocache); --EXPORT_SYMBOL(_copy_from_user); --EXPORT_SYMBOL(_copy_to_user); - - EXPORT_SYMBOL(copy_page); - EXPORT_SYMBOL(clear_page); -@@ -79,3 +77,7 @@ EXPORT_SYMBOL(___preempt_schedule); - EXPORT_SYMBOL(___preempt_schedule_context); - #endif - #endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+EXPORT_SYMBOL(cpu_pgd); -+#endif -diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c -index 234b072..b7ab191 100644 ---- a/arch/x86/kernel/x86_init.c -+++ b/arch/x86/kernel/x86_init.c -@@ -93,7 +93,7 @@ struct x86_cpuinit_ops x86_cpuinit = { - static void default_nmi_init(void) { }; - static int default_i8042_detect(void) { return 1; }; - --struct x86_platform_ops x86_platform = { -+struct x86_platform_ops x86_platform __read_only = { - .calibrate_tsc = native_calibrate_tsc, - .get_wallclock = mach_get_cmos_time, - .set_wallclock = mach_set_rtc_mmss, -@@ -109,7 +109,7 @@ struct x86_platform_ops x86_platform = { - EXPORT_SYMBOL_GPL(x86_platform); - - #if defined(CONFIG_PCI_MSI) --struct x86_msi_ops x86_msi = { -+struct x86_msi_ops x86_msi __read_only = { - .setup_msi_irqs = native_setup_msi_irqs, - .compose_msi_msg = native_compose_msi_msg, - .teardown_msi_irq = native_teardown_msi_irq, -@@ -140,7 +140,7 @@ void arch_restore_msi_irqs(struct pci_dev *dev) - } - #endif - --struct x86_io_apic_ops x86_io_apic_ops = { -+struct x86_io_apic_ops x86_io_apic_ops __read_only = { - .init = native_io_apic_init_mappings, - .read = native_io_apic_read, - .write = native_io_apic_write, -diff --git a/arch/x86/kernel/xsave.c b/arch/x86/kernel/xsave.c -index 87a815b..727dbe6 100644 ---- a/arch/x86/kernel/xsave.c -+++ b/arch/x86/kernel/xsave.c -@@ -168,18 +168,18 @@ static inline int save_xstate_epilog(void __user *buf, int ia32_frame) - - /* Setup the bytes not touched by the [f]xsave and reserved for SW. */ - sw_bytes = ia32_frame ? &fx_sw_reserved_ia32 : &fx_sw_reserved; -- err = __copy_to_user(&x->i387.sw_reserved, sw_bytes, sizeof(*sw_bytes)); -+ err = __copy_to_user(x->i387.sw_reserved, sw_bytes, sizeof(*sw_bytes)); - - if (!use_xsave()) - return err; - -- err |= __put_user(FP_XSTATE_MAGIC2, (__u32 *)(buf + xstate_size)); -+ err |= __put_user(FP_XSTATE_MAGIC2, (__u32 __user *)(buf + xstate_size)); - - /* - * Read the xstate_bv which we copied (directly from the cpu or - * from the state in task struct) to the user buffers. - */ -- err |= __get_user(xstate_bv, (__u32 *)&x->xsave_hdr.xstate_bv); -+ err |= __get_user(xstate_bv, (__u32 __user *)&x->xsave_hdr.xstate_bv); - - /* - * For legacy compatible, we always set FP/SSE bits in the bit -@@ -194,7 +194,7 @@ static inline int save_xstate_epilog(void __user *buf, int ia32_frame) - */ - xstate_bv |= XSTATE_FPSSE; - -- err |= __put_user(xstate_bv, (__u32 *)&x->xsave_hdr.xstate_bv); -+ err |= __put_user(xstate_bv, (__u32 __user *)&x->xsave_hdr.xstate_bv); - - return err; - } -@@ -203,6 +203,7 @@ static inline int save_user_xstate(struct xsave_struct __user *buf) - { - int err; - -+ buf = (struct xsave_struct __user *)____m(buf); - if (use_xsave()) - err = xsave_user(buf); - else if (use_fxsr()) -@@ -313,6 +314,7 @@ sanitize_restored_xstate(struct task_struct *tsk, - */ - static inline int restore_user_xstate(void __user *buf, u64 xbv, int fx_only) - { -+ buf = (void __user *)____m(buf); - if (use_xsave()) { - if ((unsigned long)buf % 64 || fx_only) { - u64 init_bv = pcntxt_mask & ~XSTATE_FPSSE; -diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c -index 1d08ad3..c6a4faf 100644 ---- a/arch/x86/kvm/cpuid.c -+++ b/arch/x86/kvm/cpuid.c -@@ -204,15 +204,20 @@ int kvm_vcpu_ioctl_set_cpuid2(struct kvm_vcpu *vcpu, - struct kvm_cpuid2 *cpuid, - struct kvm_cpuid_entry2 __user *entries) - { -- int r; -+ int r, i; - - r = -E2BIG; - if (cpuid->nent > KVM_MAX_CPUID_ENTRIES) - goto out; - r = -EFAULT; -- if (copy_from_user(&vcpu->arch.cpuid_entries, entries, -- cpuid->nent * sizeof(struct kvm_cpuid_entry2))) -+ if (!access_ok(VERIFY_READ, entries, cpuid->nent * sizeof(struct kvm_cpuid_entry2))) - goto out; -+ for (i = 0; i < cpuid->nent; ++i) { -+ struct kvm_cpuid_entry2 cpuid_entry; -+ if (__copy_from_user(&cpuid_entry, entries + i, sizeof(cpuid_entry))) -+ goto out; -+ vcpu->arch.cpuid_entries[i] = cpuid_entry; -+ } - vcpu->arch.cpuid_nent = cpuid->nent; - kvm_apic_set_version(vcpu); - kvm_x86_ops->cpuid_update(vcpu); -@@ -225,15 +230,19 @@ int kvm_vcpu_ioctl_get_cpuid2(struct kvm_vcpu *vcpu, - struct kvm_cpuid2 *cpuid, - struct kvm_cpuid_entry2 __user *entries) - { -- int r; -+ int r, i; - - r = -E2BIG; - if (cpuid->nent < vcpu->arch.cpuid_nent) - goto out; - r = -EFAULT; -- if (copy_to_user(entries, &vcpu->arch.cpuid_entries, -- vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2))) -+ if (!access_ok(VERIFY_WRITE, entries, vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2))) - goto out; -+ for (i = 0; i < vcpu->arch.cpuid_nent; ++i) { -+ struct kvm_cpuid_entry2 cpuid_entry = vcpu->arch.cpuid_entries[i]; -+ if (__copy_to_user(entries + i, &cpuid_entry, sizeof(cpuid_entry))) -+ goto out; -+ } - return 0; - - out: -diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c -index 630bcb0..a7f6d9e 100644 ---- a/arch/x86/kvm/emulate.c -+++ b/arch/x86/kvm/emulate.c -@@ -3569,7 +3569,7 @@ static int check_cr_write(struct x86_emulate_ctxt *ctxt) - int cr = ctxt->modrm_reg; - u64 efer = 0; - -- static u64 cr_reserved_bits[] = { -+ static const u64 cr_reserved_bits[] = { - 0xffffffff00000000ULL, - 0, 0, 0, /* CR3 checked later */ - CR4_RESERVED_BITS, -diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c -index 67d07e0..10769d5 100644 ---- a/arch/x86/kvm/lapic.c -+++ b/arch/x86/kvm/lapic.c -@@ -56,7 +56,7 @@ - #define APIC_BUS_CYCLE_NS 1 - - /* #define apic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg) */ --#define apic_debug(fmt, arg...) -+#define apic_debug(fmt, arg...) do {} while (0) - - #define APIC_LVT_NUM 6 - /* 14 is the version for Xeon and Pentium 8.4.8*/ -diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h -index 6e6d115..43fecbf 100644 ---- a/arch/x86/kvm/paging_tmpl.h -+++ b/arch/x86/kvm/paging_tmpl.h -@@ -343,7 +343,7 @@ retry_walk: - if (unlikely(kvm_is_error_hva(host_addr))) - goto error; - -- ptep_user = (pt_element_t __user *)((void *)host_addr + offset); -+ ptep_user = (pt_element_t __force_user *)((void *)host_addr + offset); - if (unlikely(__copy_from_user(&pte, ptep_user, sizeof(pte)))) - goto error; - walker->ptep_user[walker->level - 1] = ptep_user; -diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c -index 4911bf1..e7d3ed2 100644 ---- a/arch/x86/kvm/svm.c -+++ b/arch/x86/kvm/svm.c -@@ -3577,7 +3577,11 @@ static void reload_tss(struct kvm_vcpu *vcpu) - int cpu = raw_smp_processor_id(); - - struct svm_cpu_data *sd = per_cpu(svm_data, cpu); -+ -+ pax_open_kernel(); - sd->tss_desc->type = 9; /* available 32/64-bit TSS */ -+ pax_close_kernel(); -+ - load_TR_desc(); - } - -@@ -3973,6 +3977,10 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu) - #endif - #endif - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - reload_tss(vcpu); - - local_irq_disable(); -diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c -index 2d73807..84a0e59 100644 ---- a/arch/x86/kvm/vmx.c -+++ b/arch/x86/kvm/vmx.c -@@ -1440,12 +1440,12 @@ static void vmcs_write64(unsigned long field, u64 value) - #endif - } - --static void vmcs_clear_bits(unsigned long field, u32 mask) -+static void vmcs_clear_bits(unsigned long field, unsigned long mask) - { - vmcs_writel(field, vmcs_readl(field) & ~mask); - } - --static void vmcs_set_bits(unsigned long field, u32 mask) -+static void vmcs_set_bits(unsigned long field, unsigned long mask) - { - vmcs_writel(field, vmcs_readl(field) | mask); - } -@@ -1705,7 +1705,11 @@ static void reload_tss(void) - struct desc_struct *descs; - - descs = (void *)gdt->address; -+ -+ pax_open_kernel(); - descs[GDT_ENTRY_TSS].type = 9; /* available TSS */ -+ pax_close_kernel(); -+ - load_TR_desc(); - } - -@@ -1941,6 +1945,10 @@ static void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu) - vmcs_writel(HOST_TR_BASE, kvm_read_tr_base()); /* 22.2.4 */ - vmcs_writel(HOST_GDTR_BASE, gdt->address); /* 22.2.4 */ - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */ -+#endif -+ - rdmsrl(MSR_IA32_SYSENTER_ESP, sysenter_esp); - vmcs_writel(HOST_IA32_SYSENTER_ESP, sysenter_esp); /* 22.2.3 */ - vmx->loaded_vmcs->cpu = cpu; -@@ -2233,7 +2241,7 @@ static void setup_msrs(struct vcpu_vmx *vmx) - * reads and returns guest's timestamp counter "register" - * guest_tsc = host_tsc + tsc_offset -- 21.3 - */ --static u64 guest_read_tsc(void) -+static u64 __intentional_overflow(-1) guest_read_tsc(void) - { - u64 host_tsc, tsc_offset; - -@@ -4467,7 +4475,10 @@ static void vmx_set_constant_host_state(struct vcpu_vmx *vmx) - unsigned long cr4; - - vmcs_writel(HOST_CR0, read_cr0() & ~X86_CR0_TS); /* 22.2.3 */ -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - vmcs_writel(HOST_CR3, read_cr3()); /* 22.2.3 FIXME: shadow tables */ -+#endif - - /* Save the most likely value for this task's CR4 in the VMCS. */ - cr4 = cr4_read_shadow(); -@@ -4494,7 +4505,7 @@ static void vmx_set_constant_host_state(struct vcpu_vmx *vmx) - vmcs_writel(HOST_IDTR_BASE, dt.address); /* 22.2.4 */ - vmx->host_idt_base = dt.address; - -- vmcs_writel(HOST_RIP, vmx_return); /* 22.2.5 */ -+ vmcs_writel(HOST_RIP, ktla_ktva(vmx_return)); /* 22.2.5 */ - - rdmsr(MSR_IA32_SYSENTER_CS, low32, high32); - vmcs_write32(HOST_IA32_SYSENTER_CS, low32); -@@ -6107,11 +6118,17 @@ static __init int hardware_setup(void) - * page upon invalidation. No need to do anything if not - * using the APIC_ACCESS_ADDR VMCS field. - */ -- if (!flexpriority_enabled) -- kvm_x86_ops->set_apic_access_page_addr = NULL; -+ if (!flexpriority_enabled) { -+ pax_open_kernel(); -+ *(void **)&kvm_x86_ops->set_apic_access_page_addr = NULL; -+ pax_close_kernel(); -+ } - -- if (!cpu_has_vmx_tpr_shadow()) -- kvm_x86_ops->update_cr8_intercept = NULL; -+ if (!cpu_has_vmx_tpr_shadow()) { -+ pax_open_kernel(); -+ *(void **)&kvm_x86_ops->update_cr8_intercept = NULL; -+ pax_close_kernel(); -+ } - - if (enable_ept && !cpu_has_vmx_ept_2m_page()) - kvm_disable_largepages(); -@@ -6122,14 +6139,16 @@ static __init int hardware_setup(void) - if (!cpu_has_vmx_apicv()) - enable_apicv = 0; - -+ pax_open_kernel(); - if (enable_apicv) -- kvm_x86_ops->update_cr8_intercept = NULL; -+ *(void **)&kvm_x86_ops->update_cr8_intercept = NULL; - else { -- kvm_x86_ops->hwapic_irr_update = NULL; -- kvm_x86_ops->hwapic_isr_update = NULL; -- kvm_x86_ops->deliver_posted_interrupt = NULL; -- kvm_x86_ops->sync_pir_to_irr = vmx_sync_pir_to_irr_dummy; -+ *(void **)&kvm_x86_ops->hwapic_irr_update = NULL; -+ *(void **)&kvm_x86_ops->hwapic_isr_update = NULL; -+ *(void **)&kvm_x86_ops->deliver_posted_interrupt = NULL; -+ *(void **)&kvm_x86_ops->sync_pir_to_irr = vmx_sync_pir_to_irr_dummy; - } -+ pax_close_kernel(); - - vmx_disable_intercept_for_msr(MSR_FS_BASE, false); - vmx_disable_intercept_for_msr(MSR_GS_BASE, false); -@@ -6182,10 +6201,12 @@ static __init int hardware_setup(void) - enable_pml = 0; - - if (!enable_pml) { -- kvm_x86_ops->slot_enable_log_dirty = NULL; -- kvm_x86_ops->slot_disable_log_dirty = NULL; -- kvm_x86_ops->flush_log_dirty = NULL; -- kvm_x86_ops->enable_log_dirty_pt_masked = NULL; -+ pax_open_kernel(); -+ *(void **)&kvm_x86_ops->slot_enable_log_dirty = NULL; -+ *(void **)&kvm_x86_ops->slot_disable_log_dirty = NULL; -+ *(void **)&kvm_x86_ops->flush_log_dirty = NULL; -+ *(void **)&kvm_x86_ops->enable_log_dirty_pt_masked = NULL; -+ pax_close_kernel(); - } - - return alloc_kvm_area(); -@@ -8230,6 +8251,12 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - "jmp 2f \n\t" - "1: " __ex(ASM_VMX_VMRESUME) "\n\t" - "2: " -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ "ljmp %[cs],$3f\n\t" -+ "3: " -+#endif -+ - /* Save guest registers, load host registers, keep flags */ - "mov %0, %c[wordsize](%%" _ASM_SP ") \n\t" - "pop %0 \n\t" -@@ -8282,6 +8309,11 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - #endif - [cr2]"i"(offsetof(struct vcpu_vmx, vcpu.arch.cr2)), - [wordsize]"i"(sizeof(ulong)) -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ ,[cs]"i"(__KERNEL_CS) -+#endif -+ - : "cc", "memory" - #ifdef CONFIG_X86_64 - , "rax", "rbx", "rdi", "rsi" -@@ -8295,7 +8327,7 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - if (debugctlmsr) - update_debugctlmsr(debugctlmsr); - --#ifndef CONFIG_X86_64 -+#ifdef CONFIG_X86_32 - /* - * The sysexit path does not restore ds/es, so we must set them to - * a reasonable value ourselves. -@@ -8304,8 +8336,18 @@ static void __noclone vmx_vcpu_run(struct kvm_vcpu *vcpu) - * may be executed in interrupt context, which saves and restore segments - * around it, nullifying its effect. - */ -- loadsegment(ds, __USER_DS); -- loadsegment(es, __USER_DS); -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); -+ loadsegment(ss, __KERNEL_DS); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ loadsegment(fs, __KERNEL_PERCPU); -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - #endif - - vcpu->arch.regs_avail = ~((1 << VCPU_REGS_RIP) | (1 << VCPU_REGS_RSP) -diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c -index ea306ad..669f42d 100644 ---- a/arch/x86/kvm/x86.c -+++ b/arch/x86/kvm/x86.c -@@ -1929,8 +1929,8 @@ static int xen_hvm_config(struct kvm_vcpu *vcpu, u64 data) - { - struct kvm *kvm = vcpu->kvm; - int lm = is_long_mode(vcpu); -- u8 *blob_addr = lm ? (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_64 -- : (u8 *)(long)kvm->arch.xen_hvm_config.blob_addr_32; -+ u8 __user *blob_addr = lm ? (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_64 -+ : (u8 __user *)(long)kvm->arch.xen_hvm_config.blob_addr_32; - u8 blob_size = lm ? kvm->arch.xen_hvm_config.blob_size_64 - : kvm->arch.xen_hvm_config.blob_size_32; - u32 page_num = data & ~PAGE_MASK; -@@ -2867,6 +2867,8 @@ long kvm_arch_dev_ioctl(struct file *filp, - if (n < msr_list.nmsrs) - goto out; - r = -EFAULT; -+ if (num_msrs_to_save > ARRAY_SIZE(msrs_to_save)) -+ goto out; - if (copy_to_user(user_msr_list->indices, &msrs_to_save, - num_msrs_to_save * sizeof(u32))) - goto out; -@@ -5784,7 +5786,7 @@ static struct notifier_block pvclock_gtod_notifier = { - }; - #endif - --int kvm_arch_init(void *opaque) -+int kvm_arch_init(const void *opaque) - { - int r; - struct kvm_x86_ops *ops = opaque; -diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c -index 8f9a133..3c7694b 100644 ---- a/arch/x86/lguest/boot.c -+++ b/arch/x86/lguest/boot.c -@@ -1341,9 +1341,10 @@ static __init int early_put_chars(u32 vtermno, const char *buf, int count) - * Rebooting also tells the Host we're finished, but the RESTART flag tells the - * Launcher to reboot us. - */ --static void lguest_restart(char *reason) -+static __noreturn void lguest_restart(char *reason) - { - hcall(LHCALL_SHUTDOWN, __pa(reason), LGUEST_SHUTDOWN_RESTART, 0, 0); -+ BUG(); - } - - /*G:050 -diff --git a/arch/x86/lib/atomic64_386_32.S b/arch/x86/lib/atomic64_386_32.S -index 00933d5..3a64af9 100644 ---- a/arch/x86/lib/atomic64_386_32.S -+++ b/arch/x86/lib/atomic64_386_32.S -@@ -48,6 +48,10 @@ BEGIN(read) - movl (v), %eax - movl 4(v), %edx - RET_ENDP -+BEGIN(read_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+RET_ENDP - #undef v - - #define v %esi -@@ -55,6 +59,10 @@ BEGIN(set) - movl %ebx, (v) - movl %ecx, 4(v) - RET_ENDP -+BEGIN(set_unchecked) -+ movl %ebx, (v) -+ movl %ecx, 4(v) -+RET_ENDP - #undef v - - #define v %esi -@@ -70,6 +78,20 @@ RET_ENDP - BEGIN(add) - addl %eax, (v) - adcl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ subl %eax, (v) -+ sbbl %edx, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(add_unchecked) -+ addl %eax, (v) -+ adcl %edx, 4(v) - RET_ENDP - #undef v - -@@ -77,6 +99,24 @@ RET_ENDP - BEGIN(add_return) - addl (v), %eax - adcl 4(v), %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(add_return_unchecked) -+ addl (v), %eax -+ adcl 4(v), %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -86,6 +126,20 @@ RET_ENDP - BEGIN(sub) - subl %eax, (v) - sbbl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ addl %eax, (v) -+ adcl %edx, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(sub_unchecked) -+ subl %eax, (v) -+ sbbl %edx, 4(v) - RET_ENDP - #undef v - -@@ -96,6 +150,27 @@ BEGIN(sub_return) - sbbl $0, %edx - addl (v), %eax - adcl 4(v), %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(sub_return_unchecked) -+ negl %edx -+ negl %eax -+ sbbl $0, %edx -+ addl (v), %eax -+ adcl 4(v), %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -105,6 +180,20 @@ RET_ENDP - BEGIN(inc) - addl $1, (v) - adcl $0, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ subl $1, (v) -+ sbbl $0, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(inc_unchecked) -+ addl $1, (v) -+ adcl $0, 4(v) - RET_ENDP - #undef v - -@@ -114,6 +203,26 @@ BEGIN(inc_return) - movl 4(v), %edx - addl $1, %eax - adcl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(inc_return_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+ addl $1, %eax -+ adcl $0, %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -123,6 +232,20 @@ RET_ENDP - BEGIN(dec) - subl $1, (v) - sbbl $0, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ addl $1, (v) -+ adcl $0, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(dec_unchecked) -+ subl $1, (v) -+ sbbl $0, 4(v) - RET_ENDP - #undef v - -@@ -132,6 +255,26 @@ BEGIN(dec_return) - movl 4(v), %edx - subl $1, %eax - sbbl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(dec_return_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+ subl $1, %eax -+ sbbl $0, %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -143,6 +286,13 @@ BEGIN(add_unless) - adcl %edx, %edi - addl (v), %eax - adcl 4(v), %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ - cmpl %eax, %ecx - je 3f - 1: -@@ -168,6 +318,13 @@ BEGIN(inc_not_zero) - 1: - addl $1, %eax - adcl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ - movl %eax, (v) - movl %edx, 4(v) - movl $1, %eax -@@ -186,6 +343,13 @@ BEGIN(dec_if_positive) - movl 4(v), %edx - subl $1, %eax - sbbl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 1f) -+#endif -+ - js 1f - movl %eax, (v) - movl %edx, 4(v) -diff --git a/arch/x86/lib/atomic64_cx8_32.S b/arch/x86/lib/atomic64_cx8_32.S -index 082a851..6a963bc 100644 ---- a/arch/x86/lib/atomic64_cx8_32.S -+++ b/arch/x86/lib/atomic64_cx8_32.S -@@ -25,10 +25,20 @@ ENTRY(atomic64_read_cx8) - CFI_STARTPROC - - read64 %ecx -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(atomic64_read_cx8) - -+ENTRY(atomic64_read_unchecked_cx8) -+ CFI_STARTPROC -+ -+ read64 %ecx -+ pax_force_retaddr -+ ret -+ CFI_ENDPROC -+ENDPROC(atomic64_read_unchecked_cx8) -+ - ENTRY(atomic64_set_cx8) - CFI_STARTPROC - -@@ -38,10 +48,25 @@ ENTRY(atomic64_set_cx8) - cmpxchg8b (%esi) - jne 1b - -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(atomic64_set_cx8) - -+ENTRY(atomic64_set_unchecked_cx8) -+ CFI_STARTPROC -+ -+1: -+/* we don't need LOCK_PREFIX since aligned 64-bit writes -+ * are atomic on 586 and newer */ -+ cmpxchg8b (%esi) -+ jne 1b -+ -+ pax_force_retaddr -+ ret -+ CFI_ENDPROC -+ENDPROC(atomic64_set_unchecked_cx8) -+ - ENTRY(atomic64_xchg_cx8) - CFI_STARTPROC - -@@ -50,12 +75,13 @@ ENTRY(atomic64_xchg_cx8) - cmpxchg8b (%esi) - jne 1b - -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(atomic64_xchg_cx8) - --.macro addsub_return func ins insc --ENTRY(atomic64_\func()_return_cx8) -+.macro addsub_return func ins insc unchecked="" -+ENTRY(atomic64_\func()_return\unchecked()_cx8) - CFI_STARTPROC - pushl_cfi_reg ebp - pushl_cfi_reg ebx -@@ -72,27 +98,44 @@ ENTRY(atomic64_\func()_return_cx8) - movl %edx, %ecx - \ins()l %esi, %ebx - \insc()l %edi, %ecx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+2: -+ _ASM_EXTABLE(2b, 3f) -+#endif -+.endif -+ - LOCK_PREFIX - cmpxchg8b (%ebp) - jne 1b -- --10: - movl %ebx, %eax - movl %ecx, %edx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+3: -+#endif -+.endif -+ - popl_cfi_reg edi - popl_cfi_reg esi - popl_cfi_reg ebx - popl_cfi_reg ebp -+ pax_force_retaddr - ret - CFI_ENDPROC --ENDPROC(atomic64_\func()_return_cx8) -+ENDPROC(atomic64_\func()_return\unchecked()_cx8) - .endm - - addsub_return add add adc - addsub_return sub sub sbb -+addsub_return add add adc _unchecked -+addsub_return sub sub sbb _unchecked - --.macro incdec_return func ins insc --ENTRY(atomic64_\func()_return_cx8) -+.macro incdec_return func ins insc unchecked="" -+ENTRY(atomic64_\func()_return\unchecked()_cx8) - CFI_STARTPROC - pushl_cfi_reg ebx - -@@ -102,21 +145,38 @@ ENTRY(atomic64_\func()_return_cx8) - movl %edx, %ecx - \ins()l $1, %ebx - \insc()l $0, %ecx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+2: -+ _ASM_EXTABLE(2b, 3f) -+#endif -+.endif -+ - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b -- --10: - movl %ebx, %eax - movl %ecx, %edx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+3: -+#endif -+.endif -+ - popl_cfi_reg ebx -+ pax_force_retaddr - ret - CFI_ENDPROC --ENDPROC(atomic64_\func()_return_cx8) -+ENDPROC(atomic64_\func()_return\unchecked()_cx8) - .endm - - incdec_return inc add adc - incdec_return dec sub sbb -+incdec_return inc add adc _unchecked -+incdec_return dec sub sbb _unchecked - - ENTRY(atomic64_dec_if_positive_cx8) - CFI_STARTPROC -@@ -128,6 +188,13 @@ ENTRY(atomic64_dec_if_positive_cx8) - movl %edx, %ecx - subl $1, %ebx - sbb $0, %ecx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ - js 2f - LOCK_PREFIX - cmpxchg8b (%esi) -@@ -137,6 +204,7 @@ ENTRY(atomic64_dec_if_positive_cx8) - movl %ebx, %eax - movl %ecx, %edx - popl_cfi_reg ebx -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(atomic64_dec_if_positive_cx8) -@@ -161,6 +229,13 @@ ENTRY(atomic64_add_unless_cx8) - movl %edx, %ecx - addl %ebp, %ebx - adcl %edi, %ecx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 3f) -+#endif -+ - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b -@@ -171,6 +246,7 @@ ENTRY(atomic64_add_unless_cx8) - CFI_ADJUST_CFA_OFFSET -8 - popl_cfi_reg ebx - popl_cfi_reg ebp -+ pax_force_retaddr - ret - 4: - cmpl %edx, 4(%esp) -@@ -193,6 +269,13 @@ ENTRY(atomic64_inc_not_zero_cx8) - xorl %ecx, %ecx - addl $1, %ebx - adcl %edx, %ecx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 3f) -+#endif -+ - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b -@@ -200,6 +283,7 @@ ENTRY(atomic64_inc_not_zero_cx8) - movl $1, %eax - 3: - popl_cfi_reg ebx -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(atomic64_inc_not_zero_cx8) -diff --git a/arch/x86/lib/checksum_32.S b/arch/x86/lib/checksum_32.S -index 9bc944a..e52be6c 100644 ---- a/arch/x86/lib/checksum_32.S -+++ b/arch/x86/lib/checksum_32.S -@@ -29,7 +29,8 @@ - #include <asm/dwarf2.h> - #include <asm/errno.h> - #include <asm/asm.h> -- -+#include <asm/segment.h> -+ - /* - * computes a partial checksum, e.g. for TCP/UDP fragments - */ -@@ -285,9 +286,24 @@ unsigned int csum_partial_copy_generic (const char *src, char *dst, - - #define ARGBASE 16 - #define FP 12 -- --ENTRY(csum_partial_copy_generic) -+ -+ENTRY(csum_partial_copy_generic_to_user) - CFI_STARTPROC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %es -+ jmp csum_partial_copy_generic -+#endif -+ -+ENTRY(csum_partial_copy_generic_from_user) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %ds -+#endif -+ -+ENTRY(csum_partial_copy_generic) - subl $4,%esp - CFI_ADJUST_CFA_OFFSET 4 - pushl_cfi_reg edi -@@ -306,7 +322,7 @@ ENTRY(csum_partial_copy_generic) - jmp 4f - SRC(1: movw (%esi), %bx ) - addl $2, %esi --DST( movw %bx, (%edi) ) -+DST( movw %bx, %es:(%edi) ) - addl $2, %edi - addw %bx, %ax - adcl $0, %eax -@@ -318,30 +334,30 @@ DST( movw %bx, (%edi) ) - SRC(1: movl (%esi), %ebx ) - SRC( movl 4(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, (%edi) ) -+DST( movl %ebx, %es:(%edi) ) - adcl %edx, %eax --DST( movl %edx, 4(%edi) ) -+DST( movl %edx, %es:4(%edi) ) - - SRC( movl 8(%esi), %ebx ) - SRC( movl 12(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 8(%edi) ) -+DST( movl %ebx, %es:8(%edi) ) - adcl %edx, %eax --DST( movl %edx, 12(%edi) ) -+DST( movl %edx, %es:12(%edi) ) - - SRC( movl 16(%esi), %ebx ) - SRC( movl 20(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 16(%edi) ) -+DST( movl %ebx, %es:16(%edi) ) - adcl %edx, %eax --DST( movl %edx, 20(%edi) ) -+DST( movl %edx, %es:20(%edi) ) - - SRC( movl 24(%esi), %ebx ) - SRC( movl 28(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 24(%edi) ) -+DST( movl %ebx, %es:24(%edi) ) - adcl %edx, %eax --DST( movl %edx, 28(%edi) ) -+DST( movl %edx, %es:28(%edi) ) - - lea 32(%esi), %esi - lea 32(%edi), %edi -@@ -355,7 +371,7 @@ DST( movl %edx, 28(%edi) ) - shrl $2, %edx # This clears CF - SRC(3: movl (%esi), %ebx ) - adcl %ebx, %eax --DST( movl %ebx, (%edi) ) -+DST( movl %ebx, %es:(%edi) ) - lea 4(%esi), %esi - lea 4(%edi), %edi - dec %edx -@@ -367,12 +383,12 @@ DST( movl %ebx, (%edi) ) - jb 5f - SRC( movw (%esi), %cx ) - leal 2(%esi), %esi --DST( movw %cx, (%edi) ) -+DST( movw %cx, %es:(%edi) ) - leal 2(%edi), %edi - je 6f - shll $16,%ecx - SRC(5: movb (%esi), %cl ) --DST( movb %cl, (%edi) ) -+DST( movb %cl, %es:(%edi) ) - 6: addl %ecx, %eax - adcl $0, %eax - 7: -@@ -383,7 +399,7 @@ DST( movb %cl, (%edi) ) - - 6001: - movl ARGBASE+20(%esp), %ebx # src_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - - # zero the complete destination - computing the rest - # is too much work -@@ -396,37 +412,58 @@ DST( movb %cl, (%edi) ) - - 6002: - movl ARGBASE+24(%esp), %ebx # dst_err_ptr -- movl $-EFAULT,(%ebx) -+ movl $-EFAULT,%ss:(%ebx) - jmp 5000b - - .previous - -+ pushl_cfi %ss -+ popl_cfi %ds -+ pushl_cfi %ss -+ popl_cfi %es - popl_cfi_reg ebx - popl_cfi_reg esi - popl_cfi_reg edi - popl_cfi %ecx # equivalent to addl $4,%esp - ret - CFI_ENDPROC --ENDPROC(csum_partial_copy_generic) -+ENDPROC(csum_partial_copy_generic_to_user) - - #else - - /* Version for PentiumII/PPro */ - - #define ROUND1(x) \ -+ nop; nop; nop; \ - SRC(movl x(%esi), %ebx ) ; \ - addl %ebx, %eax ; \ -- DST(movl %ebx, x(%edi) ) ; -+ DST(movl %ebx, %es:x(%edi)) ; - - #define ROUND(x) \ -+ nop; nop; nop; \ - SRC(movl x(%esi), %ebx ) ; \ - adcl %ebx, %eax ; \ -- DST(movl %ebx, x(%edi) ) ; -+ DST(movl %ebx, %es:x(%edi)) ; - - #define ARGBASE 12 -- --ENTRY(csum_partial_copy_generic) -+ -+ENTRY(csum_partial_copy_generic_to_user) - CFI_STARTPROC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %es -+ jmp csum_partial_copy_generic -+#endif -+ -+ENTRY(csum_partial_copy_generic_from_user) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %ds -+#endif -+ -+ENTRY(csum_partial_copy_generic) - pushl_cfi_reg ebx - pushl_cfi_reg edi - pushl_cfi_reg esi -@@ -444,7 +481,7 @@ ENTRY(csum_partial_copy_generic) - subl %ebx, %edi - lea -1(%esi),%edx - andl $-32,%edx -- lea 3f(%ebx,%ebx), %ebx -+ lea 3f(%ebx,%ebx,2), %ebx - testl %esi, %esi - jmp *%ebx - 1: addl $64,%esi -@@ -465,19 +502,19 @@ ENTRY(csum_partial_copy_generic) - jb 5f - SRC( movw (%esi), %dx ) - leal 2(%esi), %esi --DST( movw %dx, (%edi) ) -+DST( movw %dx, %es:(%edi) ) - leal 2(%edi), %edi - je 6f - shll $16,%edx - 5: - SRC( movb (%esi), %dl ) --DST( movb %dl, (%edi) ) -+DST( movb %dl, %es:(%edi) ) - 6: addl %edx, %eax - adcl $0, %eax - 7: - .section .fixup, "ax" - 6001: movl ARGBASE+20(%esp), %ebx # src_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - # zero the complete destination (computing the rest is too much work) - movl ARGBASE+8(%esp),%edi # dst - movl ARGBASE+12(%esp),%ecx # len -@@ -485,16 +522,23 @@ DST( movb %dl, (%edi) ) - rep; stosb - jmp 7b - 6002: movl ARGBASE+24(%esp), %ebx # dst_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - jmp 7b - .previous - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %ss -+ popl_cfi %ds -+ pushl_cfi %ss -+ popl_cfi %es -+#endif -+ - popl_cfi_reg esi - popl_cfi_reg edi - popl_cfi_reg ebx - ret - CFI_ENDPROC --ENDPROC(csum_partial_copy_generic) -+ENDPROC(csum_partial_copy_generic_to_user) - - #undef ROUND - #undef ROUND1 -diff --git a/arch/x86/lib/clear_page_64.S b/arch/x86/lib/clear_page_64.S -index e67e579..4782449 100644 ---- a/arch/x86/lib/clear_page_64.S -+++ b/arch/x86/lib/clear_page_64.S -@@ -23,6 +23,7 @@ ENTRY(clear_page) - movl $4096/8,%ecx - xorl %eax,%eax - rep stosq -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(clear_page) -@@ -47,6 +48,7 @@ ENTRY(clear_page_orig) - leaq 64(%rdi),%rdi - jnz .Lloop - nop -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(clear_page_orig) -@@ -56,6 +58,7 @@ ENTRY(clear_page_c_e) - movl $4096,%ecx - xorl %eax,%eax - rep stosb -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(clear_page_c_e) -diff --git a/arch/x86/lib/cmpxchg16b_emu.S b/arch/x86/lib/cmpxchg16b_emu.S -index 40a1725..5d12ac4 100644 ---- a/arch/x86/lib/cmpxchg16b_emu.S -+++ b/arch/x86/lib/cmpxchg16b_emu.S -@@ -8,6 +8,7 @@ - #include <linux/linkage.h> - #include <asm/dwarf2.h> - #include <asm/percpu.h> -+#include <asm/alternative-asm.h> - - .text - -@@ -46,12 +47,14 @@ CFI_STARTPROC - CFI_REMEMBER_STATE - popfq_cfi - mov $1, %al -+ pax_force_retaddr - ret - - CFI_RESTORE_STATE - .Lnot_same: - popfq_cfi - xor %al,%al -+ pax_force_retaddr - ret - - CFI_ENDPROC -diff --git a/arch/x86/lib/copy_page_64.S b/arch/x86/lib/copy_page_64.S -index 8239dbc..e714d2a 100644 ---- a/arch/x86/lib/copy_page_64.S -+++ b/arch/x86/lib/copy_page_64.S -@@ -17,6 +17,7 @@ ENTRY(copy_page) - ALTERNATIVE "jmp copy_page_regs", "", X86_FEATURE_REP_GOOD - movl $4096/8, %ecx - rep movsq -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(copy_page) -@@ -27,8 +28,8 @@ ENTRY(copy_page_regs) - CFI_ADJUST_CFA_OFFSET 2*8 - movq %rbx, (%rsp) - CFI_REL_OFFSET rbx, 0 -- movq %r12, 1*8(%rsp) -- CFI_REL_OFFSET r12, 1*8 -+ movq %r13, 1*8(%rsp) -+ CFI_REL_OFFSET r13, 1*8 - - movl $(4096/64)-5, %ecx - .p2align 4 -@@ -41,7 +42,7 @@ ENTRY(copy_page_regs) - movq 0x8*4(%rsi), %r9 - movq 0x8*5(%rsi), %r10 - movq 0x8*6(%rsi), %r11 -- movq 0x8*7(%rsi), %r12 -+ movq 0x8*7(%rsi), %r13 - - prefetcht0 5*64(%rsi) - -@@ -52,7 +53,7 @@ ENTRY(copy_page_regs) - movq %r9, 0x8*4(%rdi) - movq %r10, 0x8*5(%rdi) - movq %r11, 0x8*6(%rdi) -- movq %r12, 0x8*7(%rdi) -+ movq %r13, 0x8*7(%rdi) - - leaq 64 (%rsi), %rsi - leaq 64 (%rdi), %rdi -@@ -71,7 +72,7 @@ ENTRY(copy_page_regs) - movq 0x8*4(%rsi), %r9 - movq 0x8*5(%rsi), %r10 - movq 0x8*6(%rsi), %r11 -- movq 0x8*7(%rsi), %r12 -+ movq 0x8*7(%rsi), %r13 - - movq %rax, 0x8*0(%rdi) - movq %rbx, 0x8*1(%rdi) -@@ -80,7 +81,7 @@ ENTRY(copy_page_regs) - movq %r9, 0x8*4(%rdi) - movq %r10, 0x8*5(%rdi) - movq %r11, 0x8*6(%rdi) -- movq %r12, 0x8*7(%rdi) -+ movq %r13, 0x8*7(%rdi) - - leaq 64(%rdi), %rdi - leaq 64(%rsi), %rsi -@@ -88,10 +89,11 @@ ENTRY(copy_page_regs) - - movq (%rsp), %rbx - CFI_RESTORE rbx -- movq 1*8(%rsp), %r12 -- CFI_RESTORE r12 -+ movq 1*8(%rsp), %r13 -+ CFI_RESTORE r13 - addq $2*8, %rsp - CFI_ADJUST_CFA_OFFSET -2*8 -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(copy_page_regs) -diff --git a/arch/x86/lib/copy_user_64.S b/arch/x86/lib/copy_user_64.S -index fa997df..060ab18 100644 ---- a/arch/x86/lib/copy_user_64.S -+++ b/arch/x86/lib/copy_user_64.S -@@ -15,6 +15,7 @@ - #include <asm/alternative-asm.h> - #include <asm/asm.h> - #include <asm/smap.h> -+#include <asm/pgtable.h> - - .macro ALIGN_DESTINATION - /* check for bad alignment of destination */ -@@ -40,56 +41,6 @@ - _ASM_EXTABLE(101b,103b) - .endm - --/* Standard copy_to_user with segment limit checking */ --ENTRY(_copy_to_user) -- CFI_STARTPROC -- GET_THREAD_INFO(%rax) -- movq %rdi,%rcx -- addq %rdx,%rcx -- jc bad_to_user -- cmpq TI_addr_limit(%rax),%rcx -- ja bad_to_user -- ALTERNATIVE_2 "jmp copy_user_generic_unrolled", \ -- "jmp copy_user_generic_string", \ -- X86_FEATURE_REP_GOOD, \ -- "jmp copy_user_enhanced_fast_string", \ -- X86_FEATURE_ERMS -- CFI_ENDPROC --ENDPROC(_copy_to_user) -- --/* Standard copy_from_user with segment limit checking */ --ENTRY(_copy_from_user) -- CFI_STARTPROC -- GET_THREAD_INFO(%rax) -- movq %rsi,%rcx -- addq %rdx,%rcx -- jc bad_from_user -- cmpq TI_addr_limit(%rax),%rcx -- ja bad_from_user -- ALTERNATIVE_2 "jmp copy_user_generic_unrolled", \ -- "jmp copy_user_generic_string", \ -- X86_FEATURE_REP_GOOD, \ -- "jmp copy_user_enhanced_fast_string", \ -- X86_FEATURE_ERMS -- CFI_ENDPROC --ENDPROC(_copy_from_user) -- -- .section .fixup,"ax" -- /* must zero dest */ --ENTRY(bad_from_user) --bad_from_user: -- CFI_STARTPROC -- movl %edx,%ecx -- xorl %eax,%eax -- rep -- stosb --bad_to_user: -- movl %edx,%eax -- ret -- CFI_ENDPROC --ENDPROC(bad_from_user) -- .previous -- - /* - * copy_user_generic_unrolled - memory copy with exception handling. - * This version is for CPUs like P4 that don't have efficient micro -@@ -105,6 +56,7 @@ ENDPROC(bad_from_user) - */ - ENTRY(copy_user_generic_unrolled) - CFI_STARTPROC -+ ASM_PAX_OPEN_USERLAND - ASM_STAC - cmpl $8,%edx - jb 20f /* less then 8 bytes, go to byte copy loop */ -@@ -154,6 +106,8 @@ ENTRY(copy_user_generic_unrolled) - jnz 21b - 23: xor %eax,%eax - ASM_CLAC -+ ASM_PAX_CLOSE_USERLAND -+ pax_force_retaddr - ret - - .section .fixup,"ax" -@@ -209,6 +163,7 @@ ENDPROC(copy_user_generic_unrolled) - */ - ENTRY(copy_user_generic_string) - CFI_STARTPROC -+ ASM_PAX_OPEN_USERLAND - ASM_STAC - cmpl $8,%edx - jb 2f /* less than 8 bytes, go to byte copy loop */ -@@ -223,6 +178,8 @@ ENTRY(copy_user_generic_string) - movsb - xorl %eax,%eax - ASM_CLAC -+ ASM_PAX_CLOSE_USERLAND -+ pax_force_retaddr - ret - - .section .fixup,"ax" -@@ -250,12 +207,15 @@ ENDPROC(copy_user_generic_string) - */ - ENTRY(copy_user_enhanced_fast_string) - CFI_STARTPROC -+ ASM_PAX_OPEN_USERLAND - ASM_STAC - movl %edx,%ecx - 1: rep - movsb - xorl %eax,%eax - ASM_CLAC -+ ASM_PAX_CLOSE_USERLAND -+ pax_force_retaddr - ret - - .section .fixup,"ax" -diff --git a/arch/x86/lib/copy_user_nocache_64.S b/arch/x86/lib/copy_user_nocache_64.S -index 6a4f43c..c70fb52 100644 ---- a/arch/x86/lib/copy_user_nocache_64.S -+++ b/arch/x86/lib/copy_user_nocache_64.S -@@ -8,6 +8,7 @@ - - #include <linux/linkage.h> - #include <asm/dwarf2.h> -+#include <asm/alternative-asm.h> - - #define FIX_ALIGNMENT 1 - -@@ -16,6 +17,7 @@ - #include <asm/thread_info.h> - #include <asm/asm.h> - #include <asm/smap.h> -+#include <asm/pgtable.h> - - .macro ALIGN_DESTINATION - #ifdef FIX_ALIGNMENT -@@ -49,6 +51,16 @@ - */ - ENTRY(__copy_user_nocache) - CFI_STARTPROC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov pax_user_shadow_base,%rcx -+ cmp %rcx,%rsi -+ jae 1f -+ add %rcx,%rsi -+1: -+#endif -+ -+ ASM_PAX_OPEN_USERLAND - ASM_STAC - cmpl $8,%edx - jb 20f /* less then 8 bytes, go to byte copy loop */ -@@ -98,7 +110,9 @@ ENTRY(__copy_user_nocache) - jnz 21b - 23: xorl %eax,%eax - ASM_CLAC -+ ASM_PAX_CLOSE_USERLAND - sfence -+ pax_force_retaddr - ret - - .section .fixup,"ax" -diff --git a/arch/x86/lib/csum-copy_64.S b/arch/x86/lib/csum-copy_64.S -index 9734182..dbee61c 100644 ---- a/arch/x86/lib/csum-copy_64.S -+++ b/arch/x86/lib/csum-copy_64.S -@@ -9,6 +9,7 @@ - #include <asm/dwarf2.h> - #include <asm/errno.h> - #include <asm/asm.h> -+#include <asm/alternative-asm.h> - - /* - * Checksum copy with exception handling. -@@ -56,8 +57,8 @@ ENTRY(csum_partial_copy_generic) - CFI_ADJUST_CFA_OFFSET 7*8 - movq %rbx, 2*8(%rsp) - CFI_REL_OFFSET rbx, 2*8 -- movq %r12, 3*8(%rsp) -- CFI_REL_OFFSET r12, 3*8 -+ movq %r15, 3*8(%rsp) -+ CFI_REL_OFFSET r15, 3*8 - movq %r14, 4*8(%rsp) - CFI_REL_OFFSET r14, 4*8 - movq %r13, 5*8(%rsp) -@@ -72,16 +73,16 @@ ENTRY(csum_partial_copy_generic) - movl %edx, %ecx - - xorl %r9d, %r9d -- movq %rcx, %r12 -+ movq %rcx, %r15 - -- shrq $6, %r12 -+ shrq $6, %r15 - jz .Lhandle_tail /* < 64 */ - - clc - - /* main loop. clear in 64 byte blocks */ - /* r9: zero, r8: temp2, rbx: temp1, rax: sum, rcx: saved length */ -- /* r11: temp3, rdx: temp4, r12 loopcnt */ -+ /* r11: temp3, rdx: temp4, r15 loopcnt */ - /* r10: temp5, rbp: temp6, r14 temp7, r13 temp8 */ - .p2align 4 - .Lloop: -@@ -115,7 +116,7 @@ ENTRY(csum_partial_copy_generic) - adcq %r14, %rax - adcq %r13, %rax - -- decl %r12d -+ decl %r15d - - dest - movq %rbx, (%rsi) -@@ -210,8 +211,8 @@ ENTRY(csum_partial_copy_generic) - .Lende: - movq 2*8(%rsp), %rbx - CFI_RESTORE rbx -- movq 3*8(%rsp), %r12 -- CFI_RESTORE r12 -+ movq 3*8(%rsp), %r15 -+ CFI_RESTORE r15 - movq 4*8(%rsp), %r14 - CFI_RESTORE r14 - movq 5*8(%rsp), %r13 -@@ -220,6 +221,7 @@ ENTRY(csum_partial_copy_generic) - CFI_RESTORE rbp - addq $7*8, %rsp - CFI_ADJUST_CFA_OFFSET -7*8 -+ pax_force_retaddr - ret - CFI_RESTORE_STATE - -diff --git a/arch/x86/lib/csum-wrappers_64.c b/arch/x86/lib/csum-wrappers_64.c -index 1318f75..44c30fd 100644 ---- a/arch/x86/lib/csum-wrappers_64.c -+++ b/arch/x86/lib/csum-wrappers_64.c -@@ -52,10 +52,12 @@ csum_partial_copy_from_user(const void __user *src, void *dst, - len -= 2; - } - } -+ pax_open_userland(); - stac(); -- isum = csum_partial_copy_generic((__force const void *)src, -+ isum = csum_partial_copy_generic((const void __force_kernel *)____m(src), - dst, len, isum, errp, NULL); - clac(); -+ pax_close_userland(); - if (unlikely(*errp)) - goto out_err; - -@@ -109,10 +111,12 @@ csum_partial_copy_to_user(const void *src, void __user *dst, - } - - *errp = 0; -+ pax_open_userland(); - stac(); -- ret = csum_partial_copy_generic(src, (void __force *)dst, -+ ret = csum_partial_copy_generic(src, (void __force_kernel *)____m(dst), - len, isum, NULL, errp); - clac(); -+ pax_close_userland(); - return ret; - } - EXPORT_SYMBOL(csum_partial_copy_to_user); -diff --git a/arch/x86/lib/getuser.S b/arch/x86/lib/getuser.S -index a451235..a74bfa3 100644 ---- a/arch/x86/lib/getuser.S -+++ b/arch/x86/lib/getuser.S -@@ -33,17 +33,40 @@ - #include <asm/thread_info.h> - #include <asm/asm.h> - #include <asm/smap.h> -+#include <asm/segment.h> -+#include <asm/pgtable.h> -+#include <asm/alternative-asm.h> -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg gs; -+#else -+#define __copyuser_seg -+#endif - - .text - ENTRY(__get_user_1) - CFI_STARTPROC -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --1: movzbl (%_ASM_AX),%edx -+1: __copyuser_seg movzbl (%_ASM_AX),%edx - xor %eax,%eax - ASM_CLAC -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(__get_user_1) -@@ -51,14 +74,28 @@ ENDPROC(__get_user_1) - ENTRY(__get_user_2) - CFI_STARTPROC - add $1,%_ASM_AX -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - jc bad_get_user - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --2: movzwl -1(%_ASM_AX),%edx -+2: __copyuser_seg movzwl -1(%_ASM_AX),%edx - xor %eax,%eax - ASM_CLAC -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(__get_user_2) -@@ -66,14 +103,28 @@ ENDPROC(__get_user_2) - ENTRY(__get_user_4) - CFI_STARTPROC - add $3,%_ASM_AX -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - jc bad_get_user - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --3: movl -3(%_ASM_AX),%edx -+3: __copyuser_seg movl -3(%_ASM_AX),%edx - xor %eax,%eax - ASM_CLAC -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(__get_user_4) -@@ -86,10 +137,20 @@ ENTRY(__get_user_8) - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov pax_user_shadow_base,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ - ASM_STAC - 4: movq -7(%_ASM_AX),%rdx - xor %eax,%eax - ASM_CLAC -+ pax_force_retaddr - ret - #else - add $7,%_ASM_AX -@@ -98,10 +159,11 @@ ENTRY(__get_user_8) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user_8 - ASM_STAC --4: movl -7(%_ASM_AX),%edx --5: movl -3(%_ASM_AX),%ecx -+4: __copyuser_seg movl -7(%_ASM_AX),%edx -+5: __copyuser_seg movl -3(%_ASM_AX),%ecx - xor %eax,%eax - ASM_CLAC -+ pax_force_retaddr - ret - #endif - CFI_ENDPROC -@@ -113,6 +175,7 @@ bad_get_user: - xor %edx,%edx - mov $(-EFAULT),%_ASM_AX - ASM_CLAC -+ pax_force_retaddr - ret - CFI_ENDPROC - END(bad_get_user) -@@ -124,6 +187,7 @@ bad_get_user_8: - xor %ecx,%ecx - mov $(-EFAULT),%_ASM_AX - ASM_CLAC -+ pax_force_retaddr - ret - CFI_ENDPROC - END(bad_get_user_8) -diff --git a/arch/x86/lib/insn.c b/arch/x86/lib/insn.c -index 8f72b33..a43d9969 100644 ---- a/arch/x86/lib/insn.c -+++ b/arch/x86/lib/insn.c -@@ -20,8 +20,10 @@ - - #ifdef __KERNEL__ - #include <linux/string.h> -+#include <asm/pgtable_types.h> - #else - #include <string.h> -+#define ktla_ktva(addr) addr - #endif - #include <asm/inat.h> - #include <asm/insn.h> -@@ -60,9 +62,9 @@ void insn_init(struct insn *insn, const void *kaddr, int buf_len, int x86_64) - buf_len = MAX_INSN_SIZE; - - memset(insn, 0, sizeof(*insn)); -- insn->kaddr = kaddr; -- insn->end_kaddr = kaddr + buf_len; -- insn->next_byte = kaddr; -+ insn->kaddr = ktla_ktva(kaddr); -+ insn->end_kaddr = insn->kaddr + buf_len; -+ insn->next_byte = insn->kaddr; - insn->x86_64 = x86_64 ? 1 : 0; - insn->opnd_bytes = 4; - if (x86_64) -diff --git a/arch/x86/lib/iomap_copy_64.S b/arch/x86/lib/iomap_copy_64.S -index 05a95e7..326f2fa 100644 ---- a/arch/x86/lib/iomap_copy_64.S -+++ b/arch/x86/lib/iomap_copy_64.S -@@ -17,6 +17,7 @@ - - #include <linux/linkage.h> - #include <asm/dwarf2.h> -+#include <asm/alternative-asm.h> - - /* - * override generic version in lib/iomap_copy.c -@@ -25,6 +26,7 @@ ENTRY(__iowrite32_copy) - CFI_STARTPROC - movl %edx,%ecx - rep movsd -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(__iowrite32_copy) -diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S -index b046664..dec9465 100644 ---- a/arch/x86/lib/memcpy_64.S -+++ b/arch/x86/lib/memcpy_64.S -@@ -37,6 +37,7 @@ ENTRY(memcpy) - rep movsq - movl %edx, %ecx - rep movsb -+ pax_force_retaddr - ret - ENDPROC(memcpy) - ENDPROC(__memcpy) -@@ -49,6 +50,7 @@ ENTRY(memcpy_erms) - movq %rdi, %rax - movq %rdx, %rcx - rep movsb -+ pax_force_retaddr - ret - ENDPROC(memcpy_erms) - -@@ -134,6 +136,7 @@ ENTRY(memcpy_orig) - movq %r9, 1*8(%rdi) - movq %r10, -2*8(%rdi, %rdx) - movq %r11, -1*8(%rdi, %rdx) -+ pax_force_retaddr - retq - .p2align 4 - .Lless_16bytes: -@@ -146,6 +149,7 @@ ENTRY(memcpy_orig) - movq -1*8(%rsi, %rdx), %r9 - movq %r8, 0*8(%rdi) - movq %r9, -1*8(%rdi, %rdx) -+ pax_force_retaddr - retq - .p2align 4 - .Lless_8bytes: -@@ -159,6 +163,7 @@ ENTRY(memcpy_orig) - movl -4(%rsi, %rdx), %r8d - movl %ecx, (%rdi) - movl %r8d, -4(%rdi, %rdx) -+ pax_force_retaddr - retq - .p2align 4 - .Lless_3bytes: -@@ -177,6 +182,7 @@ ENTRY(memcpy_orig) - movb %cl, (%rdi) - - .Lend: -+ pax_force_retaddr - retq - CFI_ENDPROC - ENDPROC(memcpy_orig) -diff --git a/arch/x86/lib/memmove_64.S b/arch/x86/lib/memmove_64.S -index 0f8a0d0..f6e0ea4 100644 ---- a/arch/x86/lib/memmove_64.S -+++ b/arch/x86/lib/memmove_64.S -@@ -43,7 +43,7 @@ ENTRY(__memmove) - jg 2f - - .Lmemmove_begin_forward: -- ALTERNATIVE "", "movq %rdx, %rcx; rep movsb; retq", X86_FEATURE_ERMS -+ ALTERNATIVE "", "movq %rdx, %rcx; rep movsb; pax_force_retaddr; retq", X86_FEATURE_ERMS - - /* - * movsq instruction have many startup latency -@@ -206,6 +206,7 @@ ENTRY(__memmove) - movb (%rsi), %r11b - movb %r11b, (%rdi) - 13: -+ pax_force_retaddr - retq - CFI_ENDPROC - ENDPROC(__memmove) -diff --git a/arch/x86/lib/memset_64.S b/arch/x86/lib/memset_64.S -index 93118fb..386ed2a 100644 ---- a/arch/x86/lib/memset_64.S -+++ b/arch/x86/lib/memset_64.S -@@ -41,6 +41,7 @@ ENTRY(__memset) - movl %edx,%ecx - rep stosb - movq %r9,%rax -+ pax_force_retaddr - ret - ENDPROC(memset) - ENDPROC(__memset) -@@ -62,6 +63,7 @@ ENTRY(memset_erms) - movq %rdx,%rcx - rep stosb - movq %r9,%rax -+ pax_force_retaddr - ret - ENDPROC(memset_erms) - -@@ -126,6 +128,7 @@ ENTRY(memset_orig) - - .Lende: - movq %r10,%rax -+ pax_force_retaddr - ret - - CFI_RESTORE_STATE -diff --git a/arch/x86/lib/mmx_32.c b/arch/x86/lib/mmx_32.c -index c9f2d9b..e7fd2c0 100644 ---- a/arch/x86/lib/mmx_32.c -+++ b/arch/x86/lib/mmx_32.c -@@ -29,6 +29,7 @@ void *_mmx_memcpy(void *to, const void *from, size_t len) - { - void *p; - int i; -+ unsigned long cr0; - - if (unlikely(in_interrupt())) - return __memcpy(to, from, len); -@@ -39,44 +40,72 @@ void *_mmx_memcpy(void *to, const void *from, size_t len) - kernel_fpu_begin(); - - __asm__ __volatile__ ( -- "1: prefetch (%0)\n" /* This set is 28 bytes */ -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" /* This set is 28 bytes */ -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, "ax"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from)); -+ : "=&r" (cr0) : "r" (from) : "ax"); - - for ( ; i > 5; i--) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movq 8(%0), %%mm1\n" -- " movq 16(%0), %%mm2\n" -- " movq 24(%0), %%mm3\n" -- " movq %%mm0, (%1)\n" -- " movq %%mm1, 8(%1)\n" -- " movq %%mm2, 16(%1)\n" -- " movq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm0\n" -- " movq 40(%0), %%mm1\n" -- " movq 48(%0), %%mm2\n" -- " movq 56(%0), %%mm3\n" -- " movq %%mm0, 32(%1)\n" -- " movq %%mm1, 40(%1)\n" -- " movq %%mm2, 48(%1)\n" -- " movq %%mm3, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movq 8(%1), %%mm1\n" -+ " movq 16(%1), %%mm2\n" -+ " movq 24(%1), %%mm3\n" -+ " movq %%mm0, (%2)\n" -+ " movq %%mm1, 8(%2)\n" -+ " movq %%mm2, 16(%2)\n" -+ " movq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm0\n" -+ " movq 40(%1), %%mm1\n" -+ " movq 48(%1), %%mm2\n" -+ " movq 56(%1), %%mm3\n" -+ " movq %%mm0, 32(%2)\n" -+ " movq %%mm1, 40(%2)\n" -+ " movq %%mm2, 48(%2)\n" -+ " movq %%mm3, 56(%2)\n" - ".section .fixup, "ax"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from), "r" (to) : "memory"); -+ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -@@ -158,6 +187,7 @@ static void fast_clear_page(void *page) - static void fast_copy_page(void *to, void *from) - { - int i; -+ unsigned long cr0; - - kernel_fpu_begin(); - -@@ -166,42 +196,70 @@ static void fast_copy_page(void *to, void *from) - * but that is for later. -AV - */ - __asm__ __volatile__( -- "1: prefetch (%0)\n" -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, "ax"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from)); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax"); - - for (i = 0; i < (4096-320)/64; i++) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movntq %%mm0, (%1)\n" -- " movq 8(%0), %%mm1\n" -- " movntq %%mm1, 8(%1)\n" -- " movq 16(%0), %%mm2\n" -- " movntq %%mm2, 16(%1)\n" -- " movq 24(%0), %%mm3\n" -- " movntq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm4\n" -- " movntq %%mm4, 32(%1)\n" -- " movq 40(%0), %%mm5\n" -- " movntq %%mm5, 40(%1)\n" -- " movq 48(%0), %%mm6\n" -- " movntq %%mm6, 48(%1)\n" -- " movq 56(%0), %%mm7\n" -- " movntq %%mm7, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movntq %%mm0, (%2)\n" -+ " movq 8(%1), %%mm1\n" -+ " movntq %%mm1, 8(%2)\n" -+ " movq 16(%1), %%mm2\n" -+ " movntq %%mm2, 16(%2)\n" -+ " movq 24(%1), %%mm3\n" -+ " movntq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm4\n" -+ " movntq %%mm4, 32(%2)\n" -+ " movq 40(%1), %%mm5\n" -+ " movntq %%mm5, 40(%2)\n" -+ " movq 48(%1), %%mm6\n" -+ " movntq %%mm6, 48(%2)\n" -+ " movq 56(%1), %%mm7\n" -+ " movntq %%mm7, 56(%2)\n" - ".section .fixup, "ax"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from), "r" (to) : "memory"); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -@@ -280,47 +338,76 @@ static void fast_clear_page(void *page) - static void fast_copy_page(void *to, void *from) - { - int i; -+ unsigned long cr0; - - kernel_fpu_begin(); - - __asm__ __volatile__ ( -- "1: prefetch (%0)\n" -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, "ax"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from)); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax"); - - for (i = 0; i < 4096/64; i++) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movq 8(%0), %%mm1\n" -- " movq 16(%0), %%mm2\n" -- " movq 24(%0), %%mm3\n" -- " movq %%mm0, (%1)\n" -- " movq %%mm1, 8(%1)\n" -- " movq %%mm2, 16(%1)\n" -- " movq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm0\n" -- " movq 40(%0), %%mm1\n" -- " movq 48(%0), %%mm2\n" -- " movq 56(%0), %%mm3\n" -- " movq %%mm0, 32(%1)\n" -- " movq %%mm1, 40(%1)\n" -- " movq %%mm2, 48(%1)\n" -- " movq %%mm3, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movq 8(%1), %%mm1\n" -+ " movq 16(%1), %%mm2\n" -+ " movq 24(%1), %%mm3\n" -+ " movq %%mm0, (%2)\n" -+ " movq %%mm1, 8(%2)\n" -+ " movq %%mm2, 16(%2)\n" -+ " movq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm0\n" -+ " movq 40(%1), %%mm1\n" -+ " movq 48(%1), %%mm2\n" -+ " movq 56(%1), %%mm3\n" -+ " movq %%mm0, 32(%2)\n" -+ " movq %%mm1, 40(%2)\n" -+ " movq %%mm2, 48(%2)\n" -+ " movq %%mm3, 56(%2)\n" - ".section .fixup, "ax"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from), "r" (to) : "memory"); -+ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -diff --git a/arch/x86/lib/msr-reg.S b/arch/x86/lib/msr-reg.S -index 3ca5218..c2ae6bc 100644 ---- a/arch/x86/lib/msr-reg.S -+++ b/arch/x86/lib/msr-reg.S -@@ -3,6 +3,7 @@ - #include <asm/dwarf2.h> - #include <asm/asm.h> - #include <asm/msr.h> -+#include <asm/alternative-asm.h> - - #ifdef CONFIG_X86_64 - /* -@@ -37,6 +38,7 @@ ENTRY(\op()_safe_regs) - movl %edi, 28(%r10) - popq_cfi_reg rbp - popq_cfi_reg rbx -+ pax_force_retaddr - ret - 3: - CFI_RESTORE_STATE -diff --git a/arch/x86/lib/putuser.S b/arch/x86/lib/putuser.S -index fc6ba17..14ad9a5 100644 ---- a/arch/x86/lib/putuser.S -+++ b/arch/x86/lib/putuser.S -@@ -16,7 +16,9 @@ - #include <asm/errno.h> - #include <asm/asm.h> - #include <asm/smap.h> -- -+#include <asm/segment.h> -+#include <asm/pgtable.h> -+#include <asm/alternative-asm.h> - - /* - * __put_user_X -@@ -30,57 +32,125 @@ - * as they get called from within inline assembly. - */ - --#define ENTER CFI_STARTPROC ; \ -- GET_THREAD_INFO(%_ASM_BX) --#define EXIT ASM_CLAC ; \ -- ret ; \ -+#define ENTER CFI_STARTPROC -+#define EXIT ASM_CLAC ; \ -+ pax_force_retaddr ; \ -+ ret ; \ - CFI_ENDPROC - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define _DEST %_ASM_CX,%_ASM_BX -+#else -+#define _DEST %_ASM_CX -+#endif -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg gs; -+#else -+#define __copyuser_seg -+#endif -+ - .text - ENTRY(__put_user_1) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - cmp TI_addr_limit(%_ASM_BX),%_ASM_CX - jae bad_put_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --1: movb %al,(%_ASM_CX) -+1: __copyuser_seg movb %al,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_1) - - ENTRY(__put_user_2) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $1,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --2: movw %ax,(%_ASM_CX) -+2: __copyuser_seg movw %ax,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_2) - - ENTRY(__put_user_4) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $3,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --3: movl %eax,(%_ASM_CX) -+3: __copyuser_seg movl %eax,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_4) - - ENTRY(__put_user_8) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $7,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov pax_user_shadow_base,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ - ASM_STAC --4: mov %_ASM_AX,(%_ASM_CX) -+4: __copyuser_seg mov %_ASM_AX,(_DEST) - #ifdef CONFIG_X86_32 --5: movl %edx,4(%_ASM_CX) -+5: __copyuser_seg movl %edx,4(_DEST) - #endif - xor %eax,%eax - EXIT -diff --git a/arch/x86/lib/rwsem.S b/arch/x86/lib/rwsem.S -index 2322abe..1e78a75 100644 ---- a/arch/x86/lib/rwsem.S -+++ b/arch/x86/lib/rwsem.S -@@ -92,6 +92,7 @@ ENTRY(call_rwsem_down_read_failed) - call rwsem_down_read_failed - __ASM_SIZE(pop,_cfi_reg) __ASM_REG(dx) - restore_common_regs -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(call_rwsem_down_read_failed) -@@ -102,6 +103,7 @@ ENTRY(call_rwsem_down_write_failed) - movq %rax,%rdi - call rwsem_down_write_failed - restore_common_regs -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(call_rwsem_down_write_failed) -@@ -115,7 +117,8 @@ ENTRY(call_rwsem_wake) - movq %rax,%rdi - call rwsem_wake - restore_common_regs --1: ret -+1: pax_force_retaddr -+ ret - CFI_ENDPROC - ENDPROC(call_rwsem_wake) - -@@ -127,6 +130,7 @@ ENTRY(call_rwsem_downgrade_wake) - call rwsem_downgrade_wake - __ASM_SIZE(pop,_cfi_reg) __ASM_REG(dx) - restore_common_regs -+ pax_force_retaddr - ret - CFI_ENDPROC - ENDPROC(call_rwsem_downgrade_wake) -diff --git a/arch/x86/lib/thunk_64.S b/arch/x86/lib/thunk_64.S -index f89ba4e9..512b2de 100644 ---- a/arch/x86/lib/thunk_64.S -+++ b/arch/x86/lib/thunk_64.S -@@ -9,6 +9,7 @@ - #include <asm/dwarf2.h> - #include <asm/calling.h> - #include <asm/asm.h> -+#include <asm/alternative-asm.h> - - /* rdi: arg1 ... normal C conventions. rax is saved/restored. */ - .macro THUNK name, func, put_ret_addr_in_rdi=0 -@@ -69,6 +70,7 @@ restore: - popq_cfi_reg rdx - popq_cfi_reg rsi - popq_cfi_reg rdi -+ pax_force_retaddr - ret - CFI_ENDPROC - _ASM_NOKPROBE(restore) -diff --git a/arch/x86/lib/usercopy.c b/arch/x86/lib/usercopy.c -index ddf9ecb..e342586 100644 ---- a/arch/x86/lib/usercopy.c -+++ b/arch/x86/lib/usercopy.c -@@ -20,7 +20,7 @@ copy_from_user_nmi(void *to, const void __user *from, unsigned long n) - unsigned long ret; - - if (__range_not_ok(from, n, TASK_SIZE)) -- return 0; -+ return n; - - /* - * Even though this function is typically called from NMI/IRQ context -diff --git a/arch/x86/lib/usercopy_32.c b/arch/x86/lib/usercopy_32.c -index e2f5e21..4b22130 100644 ---- a/arch/x86/lib/usercopy_32.c -+++ b/arch/x86/lib/usercopy_32.c -@@ -42,11 +42,13 @@ do { \ - int __d0; \ - might_fault(); \ - __asm__ __volatile__( \ -+ __COPYUSER_SET_ES \ - ASM_STAC "\n" \ - "0: rep; stosl\n" \ - " movl %2,%0\n" \ - "1: rep; stosb\n" \ - "2: " ASM_CLAC "\n" \ -+ __COPYUSER_RESTORE_ES \ - ".section .fixup,"ax"\n" \ - "3: lea 0(%2,%0,4),%0\n" \ - " jmp 2b\n" \ -@@ -98,7 +100,7 @@ EXPORT_SYMBOL(__clear_user); - - #ifdef CONFIG_X86_INTEL_USERCOPY - static unsigned long --__copy_user_intel(void __user *to, const void *from, unsigned long size) -+__generic_copy_to_user_intel(void __user *to, const void *from, unsigned long size) - { - int d0, d1; - __asm__ __volatile__( -@@ -110,36 +112,36 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size) - " .align 2,0x90\n" - "3: movl 0(%4), %%eax\n" - "4: movl 4(%4), %%edx\n" -- "5: movl %%eax, 0(%3)\n" -- "6: movl %%edx, 4(%3)\n" -+ "5: "__copyuser_seg" movl %%eax, 0(%3)\n" -+ "6: "__copyuser_seg" movl %%edx, 4(%3)\n" - "7: movl 8(%4), %%eax\n" - "8: movl 12(%4),%%edx\n" -- "9: movl %%eax, 8(%3)\n" -- "10: movl %%edx, 12(%3)\n" -+ "9: "__copyuser_seg" movl %%eax, 8(%3)\n" -+ "10: "__copyuser_seg" movl %%edx, 12(%3)\n" - "11: movl 16(%4), %%eax\n" - "12: movl 20(%4), %%edx\n" -- "13: movl %%eax, 16(%3)\n" -- "14: movl %%edx, 20(%3)\n" -+ "13: "__copyuser_seg" movl %%eax, 16(%3)\n" -+ "14: "__copyuser_seg" movl %%edx, 20(%3)\n" - "15: movl 24(%4), %%eax\n" - "16: movl 28(%4), %%edx\n" -- "17: movl %%eax, 24(%3)\n" -- "18: movl %%edx, 28(%3)\n" -+ "17: "__copyuser_seg" movl %%eax, 24(%3)\n" -+ "18: "__copyuser_seg" movl %%edx, 28(%3)\n" - "19: movl 32(%4), %%eax\n" - "20: movl 36(%4), %%edx\n" -- "21: movl %%eax, 32(%3)\n" -- "22: movl %%edx, 36(%3)\n" -+ "21: "__copyuser_seg" movl %%eax, 32(%3)\n" -+ "22: "__copyuser_seg" movl %%edx, 36(%3)\n" - "23: movl 40(%4), %%eax\n" - "24: movl 44(%4), %%edx\n" -- "25: movl %%eax, 40(%3)\n" -- "26: movl %%edx, 44(%3)\n" -+ "25: "__copyuser_seg" movl %%eax, 40(%3)\n" -+ "26: "__copyuser_seg" movl %%edx, 44(%3)\n" - "27: movl 48(%4), %%eax\n" - "28: movl 52(%4), %%edx\n" -- "29: movl %%eax, 48(%3)\n" -- "30: movl %%edx, 52(%3)\n" -+ "29: "__copyuser_seg" movl %%eax, 48(%3)\n" -+ "30: "__copyuser_seg" movl %%edx, 52(%3)\n" - "31: movl 56(%4), %%eax\n" - "32: movl 60(%4), %%edx\n" -- "33: movl %%eax, 56(%3)\n" -- "34: movl %%edx, 60(%3)\n" -+ "33: "__copyuser_seg" movl %%eax, 56(%3)\n" -+ "34: "__copyuser_seg" movl %%edx, 60(%3)\n" - " addl $-64, %0\n" - " addl $64, %4\n" - " addl $64, %3\n" -@@ -149,10 +151,116 @@ __copy_user_intel(void __user *to, const void *from, unsigned long size) - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -+ __COPYUSER_SET_ES - "99: rep; movsl\n" - "36: movl %%eax, %0\n" - "37: rep; movsb\n" - "100:\n" -+ __COPYUSER_RESTORE_ES -+ ".section .fixup,"ax"\n" -+ "101: lea 0(%%eax,%0,4),%0\n" -+ " jmp 100b\n" -+ ".previous\n" -+ _ASM_EXTABLE(1b,100b) -+ _ASM_EXTABLE(2b,100b) -+ _ASM_EXTABLE(3b,100b) -+ _ASM_EXTABLE(4b,100b) -+ _ASM_EXTABLE(5b,100b) -+ _ASM_EXTABLE(6b,100b) -+ _ASM_EXTABLE(7b,100b) -+ _ASM_EXTABLE(8b,100b) -+ _ASM_EXTABLE(9b,100b) -+ _ASM_EXTABLE(10b,100b) -+ _ASM_EXTABLE(11b,100b) -+ _ASM_EXTABLE(12b,100b) -+ _ASM_EXTABLE(13b,100b) -+ _ASM_EXTABLE(14b,100b) -+ _ASM_EXTABLE(15b,100b) -+ _ASM_EXTABLE(16b,100b) -+ _ASM_EXTABLE(17b,100b) -+ _ASM_EXTABLE(18b,100b) -+ _ASM_EXTABLE(19b,100b) -+ _ASM_EXTABLE(20b,100b) -+ _ASM_EXTABLE(21b,100b) -+ _ASM_EXTABLE(22b,100b) -+ _ASM_EXTABLE(23b,100b) -+ _ASM_EXTABLE(24b,100b) -+ _ASM_EXTABLE(25b,100b) -+ _ASM_EXTABLE(26b,100b) -+ _ASM_EXTABLE(27b,100b) -+ _ASM_EXTABLE(28b,100b) -+ _ASM_EXTABLE(29b,100b) -+ _ASM_EXTABLE(30b,100b) -+ _ASM_EXTABLE(31b,100b) -+ _ASM_EXTABLE(32b,100b) -+ _ASM_EXTABLE(33b,100b) -+ _ASM_EXTABLE(34b,100b) -+ _ASM_EXTABLE(35b,100b) -+ _ASM_EXTABLE(36b,100b) -+ _ASM_EXTABLE(37b,100b) -+ _ASM_EXTABLE(99b,101b) -+ : "=&c"(size), "=&D" (d0), "=&S" (d1) -+ : "1"(to), "2"(from), "0"(size) -+ : "eax", "edx", "memory"); -+ return size; -+} -+ -+static unsigned long -+__generic_copy_from_user_intel(void *to, const void __user *from, unsigned long size) -+{ -+ int d0, d1; -+ __asm__ __volatile__( -+ " .align 2,0x90\n" -+ "1: "__copyuser_seg" movl 32(%4), %%eax\n" -+ " cmpl $67, %0\n" -+ " jbe 3f\n" -+ "2: "__copyuser_seg" movl 64(%4), %%eax\n" -+ " .align 2,0x90\n" -+ "3: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "4: "__copyuser_seg" movl 4(%4), %%edx\n" -+ "5: movl %%eax, 0(%3)\n" -+ "6: movl %%edx, 4(%3)\n" -+ "7: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "8: "__copyuser_seg" movl 12(%4),%%edx\n" -+ "9: movl %%eax, 8(%3)\n" -+ "10: movl %%edx, 12(%3)\n" -+ "11: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "12: "__copyuser_seg" movl 20(%4), %%edx\n" -+ "13: movl %%eax, 16(%3)\n" -+ "14: movl %%edx, 20(%3)\n" -+ "15: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "16: "__copyuser_seg" movl 28(%4), %%edx\n" -+ "17: movl %%eax, 24(%3)\n" -+ "18: movl %%edx, 28(%3)\n" -+ "19: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "20: "__copyuser_seg" movl 36(%4), %%edx\n" -+ "21: movl %%eax, 32(%3)\n" -+ "22: movl %%edx, 36(%3)\n" -+ "23: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "24: "__copyuser_seg" movl 44(%4), %%edx\n" -+ "25: movl %%eax, 40(%3)\n" -+ "26: movl %%edx, 44(%3)\n" -+ "27: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "28: "__copyuser_seg" movl 52(%4), %%edx\n" -+ "29: movl %%eax, 48(%3)\n" -+ "30: movl %%edx, 52(%3)\n" -+ "31: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "32: "__copyuser_seg" movl 60(%4), %%edx\n" -+ "33: movl %%eax, 56(%3)\n" -+ "34: movl %%edx, 60(%3)\n" -+ " addl $-64, %0\n" -+ " addl $64, %4\n" -+ " addl $64, %3\n" -+ " cmpl $63, %0\n" -+ " ja 1b\n" -+ "35: movl %0, %%eax\n" -+ " shrl $2, %0\n" -+ " andl $3, %%eax\n" -+ " cld\n" -+ "99: rep; "__copyuser_seg" movsl\n" -+ "36: movl %%eax, %0\n" -+ "37: rep; "__copyuser_seg" movsb\n" -+ "100:\n" - ".section .fixup,"ax"\n" - "101: lea 0(%%eax,%0,4),%0\n" - " jmp 100b\n" -@@ -207,41 +315,41 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size) - int d0, d1; - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movl %%eax, 0(%3)\n" - " movl %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movl %%eax, 8(%3)\n" - " movl %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movl %%eax, 16(%3)\n" - " movl %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movl %%eax, 24(%3)\n" - " movl %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movl %%eax, 32(%3)\n" - " movl %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movl %%eax, 40(%3)\n" - " movl %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movl %%eax, 48(%3)\n" - " movl %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movl %%eax, 56(%3)\n" - " movl %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -253,9 +361,9 @@ __copy_user_zeroing_intel(void *to, const void __user *from, unsigned long size) - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,"ax"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -305,41 +413,41 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to, - - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movnti %%eax, 0(%3)\n" - " movnti %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movnti %%eax, 8(%3)\n" - " movnti %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movnti %%eax, 16(%3)\n" - " movnti %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movnti %%eax, 24(%3)\n" - " movnti %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movnti %%eax, 32(%3)\n" - " movnti %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movnti %%eax, 40(%3)\n" - " movnti %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movnti %%eax, 48(%3)\n" - " movnti %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movnti %%eax, 56(%3)\n" - " movnti %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -352,9 +460,9 @@ static unsigned long __copy_user_zeroing_intel_nocache(void *to, - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,"ax"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -399,41 +507,41 @@ static unsigned long __copy_user_intel_nocache(void *to, - - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movnti %%eax, 0(%3)\n" - " movnti %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movnti %%eax, 8(%3)\n" - " movnti %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movnti %%eax, 16(%3)\n" - " movnti %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movnti %%eax, 24(%3)\n" - " movnti %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movnti %%eax, 32(%3)\n" - " movnti %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movnti %%eax, 40(%3)\n" - " movnti %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movnti %%eax, 48(%3)\n" - " movnti %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movnti %%eax, 56(%3)\n" - " movnti %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -446,9 +554,9 @@ static unsigned long __copy_user_intel_nocache(void *to, - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,"ax"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -488,32 +596,36 @@ static unsigned long __copy_user_intel_nocache(void *to, - */ - unsigned long __copy_user_zeroing_intel(void *to, const void __user *from, - unsigned long size); --unsigned long __copy_user_intel(void __user *to, const void *from, -+unsigned long __generic_copy_to_user_intel(void __user *to, const void *from, -+ unsigned long size); -+unsigned long __generic_copy_from_user_intel(void *to, const void __user *from, - unsigned long size); - unsigned long __copy_user_zeroing_intel_nocache(void *to, - const void __user *from, unsigned long size); - #endif /* CONFIG_X86_INTEL_USERCOPY */ - - /* Generic arbitrary sized copy. */ --#define __copy_user(to, from, size) \ -+#define __copy_user(to, from, size, prefix, set, restore) \ - do { \ - int __d0, __d1, __d2; \ - __asm__ __volatile__( \ -+ set \ - " cmp $7,%0\n" \ - " jbe 1f\n" \ - " movl %1,%0\n" \ - " negl %0\n" \ - " andl $7,%0\n" \ - " subl %0,%3\n" \ -- "4: rep; movsb\n" \ -+ "4: rep; "prefix"movsb\n" \ - " movl %3,%0\n" \ - " shrl $2,%0\n" \ - " andl $3,%3\n" \ - " .align 2,0x90\n" \ -- "0: rep; movsl\n" \ -+ "0: rep; "prefix"movsl\n" \ - " movl %3,%0\n" \ -- "1: rep; movsb\n" \ -+ "1: rep; "prefix"movsb\n" \ - "2:\n" \ -+ restore \ - ".section .fixup,"ax"\n" \ - "5: addl %3,%0\n" \ - " jmp 2b\n" \ -@@ -538,14 +650,14 @@ do { \ - " negl %0\n" \ - " andl $7,%0\n" \ - " subl %0,%3\n" \ -- "4: rep; movsb\n" \ -+ "4: rep; "__copyuser_seg"movsb\n" \ - " movl %3,%0\n" \ - " shrl $2,%0\n" \ - " andl $3,%3\n" \ - " .align 2,0x90\n" \ -- "0: rep; movsl\n" \ -+ "0: rep; "__copyuser_seg"movsl\n" \ - " movl %3,%0\n" \ -- "1: rep; movsb\n" \ -+ "1: rep; "__copyuser_seg"movsb\n" \ - "2:\n" \ - ".section .fixup,"ax"\n" \ - "5: addl %3,%0\n" \ -@@ -572,9 +684,9 @@ unsigned long __copy_to_user_ll(void __user *to, const void *from, - { - stac(); - if (movsl_is_ok(to, from, n)) -- __copy_user(to, from, n); -+ __copy_user(to, from, n, "", __COPYUSER_SET_ES, __COPYUSER_RESTORE_ES); - else -- n = __copy_user_intel(to, from, n); -+ n = __generic_copy_to_user_intel(to, from, n); - clac(); - return n; - } -@@ -598,10 +710,9 @@ unsigned long __copy_from_user_ll_nozero(void *to, const void __user *from, - { - stac(); - if (movsl_is_ok(to, from, n)) -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - else -- n = __copy_user_intel((void __user *)to, -- (const void *)from, n); -+ n = __generic_copy_from_user_intel(to, from, n); - clac(); - return n; - } -@@ -632,58 +743,38 @@ unsigned long __copy_from_user_ll_nocache_nozero(void *to, const void __user *fr - if (n > 64 && cpu_has_xmm2) - n = __copy_user_intel_nocache(to, from, n); - else -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - #else -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - #endif - clac(); - return n; - } - EXPORT_SYMBOL(__copy_from_user_ll_nocache_nozero); - --/** -- * copy_to_user: - Copy a block of data into user space. -- * @to: Destination address, in user space. -- * @from: Source address, in kernel space. -- * @n: Number of bytes to copy. -- * -- * Context: User context only. This function may sleep. -- * -- * Copy data from kernel space to user space. -- * -- * Returns number of bytes that could not be copied. -- * On success, this will be zero. -- */ --unsigned long _copy_to_user(void __user *to, const void *from, unsigned n) -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+void __set_fs(mm_segment_t x) - { -- if (access_ok(VERIFY_WRITE, to, n)) -- n = __copy_to_user(to, from, n); -- return n; -+ switch (x.seg) { -+ case 0: -+ loadsegment(gs, 0); -+ break; -+ case TASK_SIZE_MAX: -+ loadsegment(gs, __USER_DS); -+ break; -+ case -1UL: -+ loadsegment(gs, __KERNEL_DS); -+ break; -+ default: -+ BUG(); -+ } - } --EXPORT_SYMBOL(_copy_to_user); -+EXPORT_SYMBOL(__set_fs); - --/** -- * copy_from_user: - Copy a block of data from user space. -- * @to: Destination address, in kernel space. -- * @from: Source address, in user space. -- * @n: Number of bytes to copy. -- * -- * Context: User context only. This function may sleep. -- * -- * Copy data from user space to kernel space. -- * -- * Returns number of bytes that could not be copied. -- * On success, this will be zero. -- * -- * If some data could not be copied, this function will pad the copied -- * data to the requested size using zero bytes. -- */ --unsigned long _copy_from_user(void *to, const void __user *from, unsigned n) -+void set_fs(mm_segment_t x) - { -- if (access_ok(VERIFY_READ, from, n)) -- n = __copy_from_user(to, from, n); -- else -- memset(to, 0, n); -- return n; -+ current_thread_info()->addr_limit = x; -+ __set_fs(x); - } --EXPORT_SYMBOL(_copy_from_user); -+EXPORT_SYMBOL(set_fs); -+#endif -diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c -index 0a42327..7a82465 100644 ---- a/arch/x86/lib/usercopy_64.c -+++ b/arch/x86/lib/usercopy_64.c -@@ -18,6 +18,7 @@ unsigned long __clear_user(void __user *addr, unsigned long size) - might_fault(); - /* no memory constraint because it doesn't change any memory gcc knows - about */ -+ pax_open_userland(); - stac(); - asm volatile( - " testq %[size8],%[size8]\n" -@@ -39,9 +40,10 @@ unsigned long __clear_user(void __user *addr, unsigned long size) - _ASM_EXTABLE(0b,3b) - _ASM_EXTABLE(1b,2b) - : [size8] "=&c"(size), [dst] "=&D" (__d0) -- : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(addr), -+ : [size1] "r"(size & 7), "[size8]" (size / 8), "[dst]"(____m(addr)), - [zero] "r" (0UL), [eight] "r" (8UL)); - clac(); -+ pax_close_userland(); - return size; - } - EXPORT_SYMBOL(__clear_user); -@@ -54,12 +56,11 @@ unsigned long clear_user(void __user *to, unsigned long n) - } - EXPORT_SYMBOL(clear_user); - --unsigned long copy_in_user(void __user *to, const void __user *from, unsigned len) -+unsigned long copy_in_user(void __user *to, const void __user *from, unsigned long len) - { -- if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) { -- return copy_user_generic((__force void *)to, (__force void *)from, len); -- } -- return len; -+ if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) -+ return copy_user_generic((void __force_kernel *)____m(to), (void __force_kernel *)____m(from), len); -+ return len; - } - EXPORT_SYMBOL(copy_in_user); - -@@ -69,8 +70,10 @@ EXPORT_SYMBOL(copy_in_user); - * it is not necessary to optimize tail handling. - */ - __visible unsigned long --copy_user_handle_tail(char *to, char *from, unsigned len) -+copy_user_handle_tail(char __user *to, char __user *from, unsigned long len) - { -+ clac(); -+ pax_close_userland(); - for (; len; --len, to++) { - char c; - -@@ -79,10 +82,9 @@ copy_user_handle_tail(char *to, char *from, unsigned len) - if (__put_user_nocheck(c, to, sizeof(char))) - break; - } -- clac(); - - /* If the destination is a kernel buffer, we always clear the end */ -- if (!__addr_ok(to)) -+ if (!__addr_ok(to) && (unsigned long)to >= TASK_SIZE_MAX + pax_user_shadow_base) - memset(to, 0, len); - return len; - } -diff --git a/arch/x86/mm/Makefile b/arch/x86/mm/Makefile -index a482d10..1a6edb5 100644 ---- a/arch/x86/mm/Makefile -+++ b/arch/x86/mm/Makefile -@@ -33,3 +33,7 @@ obj-$(CONFIG_ACPI_NUMA) += srat.o - obj-$(CONFIG_NUMA_EMU) += numa_emulation.o - - obj-$(CONFIG_X86_INTEL_MPX) += mpx.o -+ -+quote:=" -+obj-$(CONFIG_X86_64) += uderef_64.o -+CFLAGS_uderef_64.o := $(subst $(quote),,$(CONFIG_ARCH_HWEIGHT_CFLAGS)) -fcall-saved-rax -diff --git a/arch/x86/mm/extable.c b/arch/x86/mm/extable.c -index 903ec1e..c4166b2 100644 ---- a/arch/x86/mm/extable.c -+++ b/arch/x86/mm/extable.c -@@ -6,12 +6,24 @@ - static inline unsigned long - ex_insn_addr(const struct exception_table_entry *x) - { -- return (unsigned long)&x->insn + x->insn; -+ unsigned long reloc = 0; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ reloc = ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ -+ return (unsigned long)&x->insn + x->insn + reloc; - } - static inline unsigned long - ex_fixup_addr(const struct exception_table_entry *x) - { -- return (unsigned long)&x->fixup + x->fixup; -+ unsigned long reloc = 0; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ reloc = ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ -+ return (unsigned long)&x->fixup + x->fixup + reloc; - } - - int fixup_exception(struct pt_regs *regs) -@@ -20,7 +32,7 @@ int fixup_exception(struct pt_regs *regs) - unsigned long new_ip; - - #ifdef CONFIG_PNPBIOS -- if (unlikely(SEGMENT_IS_PNP_CODE(regs->cs))) { -+ if (unlikely(!v8086_mode(regs) && SEGMENT_IS_PNP_CODE(regs->cs))) { - extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp; - extern u32 pnp_bios_is_utter_crap; - pnp_bios_is_utter_crap = 1; -@@ -145,6 +157,13 @@ void sort_extable(struct exception_table_entry *start, - i += 4; - p->fixup -= i; - i += 4; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ BUILD_BUG_ON(!IS_ENABLED(CONFIG_BUILDTIME_EXTABLE_SORT)); -+ p->insn -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+ p->fixup -= ____LOAD_PHYSICAL_ADDR - LOAD_PHYSICAL_ADDR; -+#endif -+ - } - } - -diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c -index 181c53b..d336596 100644 ---- a/arch/x86/mm/fault.c -+++ b/arch/x86/mm/fault.c -@@ -13,12 +13,19 @@ - #include <linux/hugetlb.h> /* hstate_index_to_shift */ - #include <linux/prefetch.h> /* prefetchw */ - #include <linux/context_tracking.h> /* exception_enter(), ... */ -+#include <linux/unistd.h> -+#include <linux/compiler.h> - - #include <asm/traps.h> /* dotraplinkage, ... */ - #include <asm/pgalloc.h> /* pgd_*(), ... */ - #include <asm/kmemcheck.h> /* kmemcheck_*(), ... */ - #include <asm/fixmap.h> /* VSYSCALL_ADDR */ - #include <asm/vsyscall.h> /* emulate_vsyscall */ -+#include <asm/tlbflush.h> -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#include <asm/stacktrace.h> -+#endif - - #define CREATE_TRACE_POINTS - #include <asm/trace/exceptions.h> -@@ -120,7 +127,10 @@ check_prefetch_opcode(struct pt_regs *regs, unsigned char *instr, - return !instr_lo || (instr_lo>>1) == 1; - case 0x00: - /* Prefetch instruction is 0x0F0D or 0x0F18 */ -- if (probe_kernel_address(instr, opcode)) -+ if (user_mode(regs)) { -+ if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1)) -+ return 0; -+ } else if (probe_kernel_address(instr, opcode)) - return 0; - - *prefetch = (instr_lo == 0xF) && -@@ -154,7 +164,10 @@ is_prefetch(struct pt_regs *regs, unsigned long error_code, unsigned long addr) - while (instr < max_instr) { - unsigned char opcode; - -- if (probe_kernel_address(instr, opcode)) -+ if (user_mode(regs)) { -+ if (__copy_from_user_inatomic(&opcode, (unsigned char __force_user *)(instr), 1)) -+ break; -+ } else if (probe_kernel_address(instr, opcode)) - break; - - instr++; -@@ -185,6 +198,34 @@ force_sig_info_fault(int si_signo, int si_code, unsigned long address, - force_sig_info(si_signo, &info, tsk); - } - -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address); -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+static int pax_handle_fetch_fault(struct pt_regs *regs); -+#endif -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+static inline pmd_t * pax_get_pmd(struct mm_struct *mm, unsigned long address) -+{ -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ -+ pgd = pgd_offset(mm, address); -+ if (!pgd_present(*pgd)) -+ return NULL; -+ pud = pud_offset(pgd, address); -+ if (!pud_present(*pud)) -+ return NULL; -+ pmd = pmd_offset(pud, address); -+ if (!pmd_present(*pmd)) -+ return NULL; -+ return pmd; -+} -+#endif -+ - DEFINE_SPINLOCK(pgd_lock); - LIST_HEAD(pgd_list); - -@@ -235,10 +276,27 @@ void vmalloc_sync_all(void) - for (address = VMALLOC_START & PMD_MASK; - address >= TASK_SIZE && address < FIXADDR_TOP; - address += PMD_SIZE) { -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - - spin_lock(&pgd_lock); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) { -+ pgd_t *pgd = get_cpu_pgd(cpu, user); -+ pmd_t *ret; -+ -+ ret = vmalloc_sync_one(pgd, address); -+ if (!ret) -+ break; -+ pgd = get_cpu_pgd(cpu, kernel); -+#else - list_for_each_entry(page, &pgd_list, lru) { -+ pgd_t *pgd; - spinlock_t *pgt_lock; - pmd_t *ret; - -@@ -246,8 +304,14 @@ void vmalloc_sync_all(void) - pgt_lock = &pgd_page_get_mm(page)->page_table_lock; - - spin_lock(pgt_lock); -- ret = vmalloc_sync_one(page_address(page), address); -+ pgd = page_address(page); -+#endif -+ -+ ret = vmalloc_sync_one(pgd, address); -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - spin_unlock(pgt_lock); -+#endif - - if (!ret) - break; -@@ -281,6 +345,12 @@ static noinline int vmalloc_fault(unsigned long address) - * an interrupt in the middle of a task switch.. - */ - pgd_paddr = read_cr3(); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ BUG_ON(__pa(get_cpu_pgd(smp_processor_id(), kernel)) != (pgd_paddr & __PHYSICAL_MASK)); -+ vmalloc_sync_one(__va(pgd_paddr + PAGE_SIZE), address); -+#endif -+ - pmd_k = vmalloc_sync_one(__va(pgd_paddr), address); - if (!pmd_k) - return -1; -@@ -377,11 +447,25 @@ static noinline int vmalloc_fault(unsigned long address) - * happen within a race in page table update. In the later - * case just flush: - */ -- pgd = pgd_offset(current->active_mm, address); -+ - pgd_ref = pgd_offset_k(address); - if (pgd_none(*pgd_ref)) - return -1; - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ BUG_ON(__pa(get_cpu_pgd(smp_processor_id(), kernel)) != (read_cr3() & __PHYSICAL_MASK)); -+ pgd = pgd_offset_cpu(smp_processor_id(), user, address); -+ if (pgd_none(*pgd)) { -+ set_pgd(pgd, *pgd_ref); -+ arch_flush_lazy_mmu_mode(); -+ } else { -+ BUG_ON(pgd_page_vaddr(*pgd) != pgd_page_vaddr(*pgd_ref)); -+ } -+ pgd = pgd_offset_cpu(smp_processor_id(), kernel, address); -+#else -+ pgd = pgd_offset(current->active_mm, address); -+#endif -+ - if (pgd_none(*pgd)) { - set_pgd(pgd, *pgd_ref); - arch_flush_lazy_mmu_mode(); -@@ -548,7 +632,7 @@ static int is_errata93(struct pt_regs *regs, unsigned long address) - static int is_errata100(struct pt_regs *regs, unsigned long address) - { - #ifdef CONFIG_X86_64 -- if ((regs->cs == __USER32_CS || (regs->cs & (1<<2))) && (address >> 32)) -+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)) && (address >> 32)) - return 1; - #endif - return 0; -@@ -575,9 +659,9 @@ static int is_f00f_bug(struct pt_regs *regs, unsigned long address) - } - - static const char nx_warning[] = KERN_CRIT --"kernel tried to execute NX-protected page - exploit attempt? (uid: %d)\n"; -+"kernel tried to execute NX-protected page - exploit attempt? (uid: %d, task: %s, pid: %d)\n"; - static const char smep_warning[] = KERN_CRIT --"unable to execute userspace code (SMEP?) (uid: %d)\n"; -+"unable to execute userspace code (SMEP?) (uid: %d, task: %s, pid: %d)\n"; - - static void - show_fault_oops(struct pt_regs *regs, unsigned long error_code, -@@ -586,7 +670,7 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code, - if (!oops_may_print()) - return; - -- if (error_code & PF_INSTR) { -+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR)) { - unsigned int level; - pgd_t *pgd; - pte_t *pte; -@@ -597,13 +681,25 @@ show_fault_oops(struct pt_regs *regs, unsigned long error_code, - pte = lookup_address_in_pgd(pgd, address, &level); - - if (pte && pte_present(*pte) && !pte_exec(*pte)) -- printk(nx_warning, from_kuid(&init_user_ns, current_uid())); -+ printk(nx_warning, from_kuid_munged(&init_user_ns, current_uid()), current->comm, task_pid_nr(current)); - if (pte && pte_present(*pte) && pte_exec(*pte) && - (pgd_flags(*pgd) & _PAGE_USER) && - (__read_cr4() & X86_CR4_SMEP)) -- printk(smep_warning, from_kuid(&init_user_ns, current_uid())); -+ printk(smep_warning, from_kuid(&init_user_ns, current_uid()), current->comm, task_pid_nr(current)); - } - -+#ifdef CONFIG_PAX_KERNEXEC -+ if (init_mm.start_code <= address && address < init_mm.end_code) { -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", -+ &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ else -+ printk(KERN_EMERG "PAX: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ } -+#endif -+ - printk(KERN_ALERT "BUG: unable to handle kernel "); - if (address < PAGE_SIZE) - printk(KERN_CONT "NULL pointer dereference"); -@@ -782,6 +878,22 @@ __bad_area_nosemaphore(struct pt_regs *regs, unsigned long error_code, - return; - } - #endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (pax_is_fetch_fault(regs, error_code, address)) { -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ switch (pax_handle_fetch_fault(regs)) { -+ case 2: -+ return; -+ } -+#endif -+ -+ pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - /* Kernel addresses are always protection faults: */ - if (address >= TASK_SIZE) - error_code |= PF_PROT; -@@ -864,7 +976,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long address, - if (fault & (VM_FAULT_HWPOISON|VM_FAULT_HWPOISON_LARGE)) { - printk(KERN_ERR - "MCE: Killing %s:%d due to hardware memory corruption fault at %lx\n", -- tsk->comm, tsk->pid, address); -+ tsk->comm, task_pid_nr(tsk), address); - code = BUS_MCEERR_AR; - } - #endif -@@ -916,6 +1028,107 @@ static int spurious_fault_check(unsigned long error_code, pte_t *pte) - return 1; - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+static inline unsigned long get_limit(unsigned long segment) -+{ -+ unsigned long __limit; -+ -+ asm("lsll %1,%0" : "=r" (__limit) : "r" (segment)); -+ return __limit + 1; -+} -+ -+static int pax_handle_pageexec_fault(struct pt_regs *regs, struct mm_struct *mm, unsigned long address, unsigned long error_code) -+{ -+ pte_t *pte; -+ pmd_t *pmd; -+ spinlock_t *ptl; -+ unsigned char pte_mask; -+ -+ if ((__supported_pte_mask & _PAGE_NX) || (error_code & (PF_PROT|PF_USER)) != (PF_PROT|PF_USER) || v8086_mode(regs) || -+ !(mm->pax_flags & MF_PAX_PAGEEXEC)) -+ return 0; -+ -+ /* PaX: it's our fault, let's handle it if we can */ -+ -+ /* PaX: take a look at read faults before acquiring any locks */ -+ if (unlikely(!(error_code & PF_WRITE) && (regs->ip == address))) { -+ /* instruction fetch attempt from a protected page in user mode */ -+ up_read(&mm->mmap_sem); -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ switch (pax_handle_fetch_fault(regs)) { -+ case 2: -+ return 1; -+ } -+#endif -+ -+ pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+ -+ pmd = pax_get_pmd(mm, address); -+ if (unlikely(!pmd)) -+ return 0; -+ -+ pte = pte_offset_map_lock(mm, pmd, address, &ptl); -+ if (unlikely(!(pte_val(*pte) & _PAGE_PRESENT) || pte_user(*pte))) { -+ pte_unmap_unlock(pte, ptl); -+ return 0; -+ } -+ -+ if (unlikely((error_code & PF_WRITE) && !pte_write(*pte))) { -+ /* write attempt to a protected page in user mode */ -+ pte_unmap_unlock(pte, ptl); -+ return 0; -+ } -+ -+#ifdef CONFIG_SMP -+ if (likely(address > get_limit(regs->cs) && cpumask_test_cpu(smp_processor_id(), &mm->context.cpu_user_cs_mask))) -+#else -+ if (likely(address > get_limit(regs->cs))) -+#endif -+ { -+ set_pte(pte, pte_mkread(*pte)); -+ __flush_tlb_one(address); -+ pte_unmap_unlock(pte, ptl); -+ up_read(&mm->mmap_sem); -+ return 1; -+ } -+ -+ pte_mask = _PAGE_ACCESSED | _PAGE_USER | ((error_code & PF_WRITE) << (_PAGE_BIT_DIRTY-1)); -+ -+ /* -+ * PaX: fill DTLB with user rights and retry -+ */ -+ __asm__ __volatile__ ( -+ "orb %2,(%1)\n" -+#if defined(CONFIG_M586) || defined(CONFIG_M586TSC) -+/* -+ * PaX: let this uncommented 'invlpg' remind us on the behaviour of Intel's -+ * (and AMD's) TLBs. namely, they do not cache PTEs that would raise *any* -+ * page fault when examined during a TLB load attempt. this is true not only -+ * for PTEs holding a non-present entry but also present entries that will -+ * raise a page fault (such as those set up by PaX, or the copy-on-write -+ * mechanism). in effect it means that we do *not* need to flush the TLBs -+ * for our target pages since their PTEs are simply not in the TLBs at all. -+ -+ * the best thing in omitting it is that we gain around 15-20% speed in the -+ * fast path of the page fault handler and can get rid of tracing since we -+ * can no longer flush unintended entries. -+ */ -+ "invlpg (%0)\n" -+#endif -+ __copyuser_seg"testb $0,(%0)\n" -+ "xorb %3,(%1)\n" -+ : -+ : "r" (address), "r" (pte), "q" (pte_mask), "i" (_PAGE_USER) -+ : "memory", "cc"); -+ pte_unmap_unlock(pte, ptl); -+ up_read(&mm->mmap_sem); -+ return 1; -+} -+#endif -+ - /* - * Handle a spurious fault caused by a stale TLB entry. - * -@@ -1001,6 +1214,9 @@ int show_unhandled_signals = 1; - static inline int - access_error(unsigned long error_code, struct vm_area_struct *vma) - { -+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR) && !(vma->vm_flags & VM_EXEC)) -+ return 1; -+ - if (error_code & PF_WRITE) { - /* write, present and write, not present: */ - if (unlikely(!(vma->vm_flags & VM_WRITE))) -@@ -1063,6 +1279,22 @@ __do_page_fault(struct pt_regs *regs, unsigned long error_code, - tsk = current; - mm = tsk->mm; - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (!user_mode(regs) && address < 2 * pax_user_shadow_base) { -+ if (!search_exception_tables(regs->ip)) { -+ printk(KERN_EMERG "PAX: please report this to pageexec@freemail.hu\n"); -+ bad_area_nosemaphore(regs, error_code, address); -+ return; -+ } -+ if (address < pax_user_shadow_base) { -+ printk(KERN_EMERG "PAX: please report this to pageexec@freemail.hu\n"); -+ printk(KERN_EMERG "PAX: faulting IP: %pS\n", (void *)regs->ip); -+ show_trace_log_lvl(NULL, NULL, (void *)regs->sp, regs->bp, KERN_EMERG); -+ } else -+ address -= pax_user_shadow_base; -+ } -+#endif -+ - /* - * Detect and handle instructions that would cause a page fault for - * both a tracked kernel page and a userspace page. -@@ -1187,6 +1419,11 @@ retry: - might_sleep(); - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (pax_handle_pageexec_fault(regs, mm, address, error_code)) -+ return; -+#endif -+ - vma = find_vma(mm, address); - if (unlikely(!vma)) { - bad_area(regs, error_code, address); -@@ -1198,18 +1435,24 @@ retry: - bad_area(regs, error_code, address); - return; - } -- if (error_code & PF_USER) { -- /* -- * Accessing the stack below %sp is always a bug. -- * The large cushion allows instructions like enter -- * and pusha to work. ("enter $65535, $31" pushes -- * 32 pointers and then decrements %sp by 65535.) -- */ -- if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < regs->sp)) { -- bad_area(regs, error_code, address); -- return; -- } -+ /* -+ * Accessing the stack below %sp is always a bug. -+ * The large cushion allows instructions like enter -+ * and pusha to work. ("enter $65535, $31" pushes -+ * 32 pointers and then decrements %sp by 65535.) -+ */ -+ if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < task_pt_regs(tsk)->sp)) { -+ bad_area(regs, error_code, address); -+ return; - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (unlikely((mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end - SEGMEXEC_TASK_SIZE - 1 < address - SEGMEXEC_TASK_SIZE - 1)) { -+ bad_area(regs, error_code, address); -+ return; -+ } -+#endif -+ - if (unlikely(expand_stack(vma, address))) { - bad_area(regs, error_code, address); - return; -@@ -1329,3 +1572,292 @@ trace_do_page_fault(struct pt_regs *regs, unsigned long error_code) - } - NOKPROBE_SYMBOL(trace_do_page_fault); - #endif /* CONFIG_TRACING */ -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+static bool pax_is_fetch_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address) -+{ -+ struct mm_struct *mm = current->mm; -+ unsigned long ip = regs->ip; -+ -+ if (v8086_mode(regs)) -+ ip = ((regs->cs & 0xffff) << 4) + (ip & 0xffff); -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (mm->pax_flags & MF_PAX_PAGEEXEC) { -+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR)) -+ return true; -+ if (!(error_code & (PF_PROT | PF_WRITE)) && ip == address) -+ return true; -+ return false; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (!(error_code & (PF_PROT | PF_WRITE)) && (ip + SEGMEXEC_TASK_SIZE == address)) -+ return true; -+ return false; -+ } -+#endif -+ -+ return false; -+} -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+static int pax_handle_fetch_fault_32(struct pt_regs *regs) -+{ -+ int err; -+ -+ do { /* PaX: libffi trampoline emulation */ -+ unsigned char mov, jmp; -+ unsigned int addr1, addr2; -+ -+#ifdef CONFIG_X86_64 -+ if ((regs->ip + 9) >> 32) -+ break; -+#endif -+ -+ err = get_user(mov, (unsigned char __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1)); -+ err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5)); -+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6)); -+ -+ if (err) -+ break; -+ -+ if (mov == 0xB8 && jmp == 0xE9) { -+ regs->ax = addr1; -+ regs->ip = (unsigned int)(regs->ip + addr2 + 10); -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #1 */ -+ unsigned char mov1, mov2; -+ unsigned short jmp; -+ unsigned int addr1, addr2; -+ -+#ifdef CONFIG_X86_64 -+ if ((regs->ip + 11) >> 32) -+ break; -+#endif -+ -+ err = get_user(mov1, (unsigned char __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1)); -+ err |= get_user(mov2, (unsigned char __user *)(regs->ip + 5)); -+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6)); -+ err |= get_user(jmp, (unsigned short __user *)(regs->ip + 10)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xB9 && mov2 == 0xB8 && jmp == 0xE0FF) { -+ regs->cx = addr1; -+ regs->ax = addr2; -+ regs->ip = addr2; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #2 */ -+ unsigned char mov, jmp; -+ unsigned int addr1, addr2; -+ -+#ifdef CONFIG_X86_64 -+ if ((regs->ip + 9) >> 32) -+ break; -+#endif -+ -+ err = get_user(mov, (unsigned char __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1)); -+ err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5)); -+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6)); -+ -+ if (err) -+ break; -+ -+ if (mov == 0xB9 && jmp == 0xE9) { -+ regs->cx = addr1; -+ regs->ip = (unsigned int)(regs->ip + addr2 + 10); -+ return 2; -+ } -+ } while (0); -+ -+ return 1; /* PaX in action */ -+} -+ -+#ifdef CONFIG_X86_64 -+static int pax_handle_fetch_fault_64(struct pt_regs *regs) -+{ -+ int err; -+ -+ do { /* PaX: libffi trampoline emulation */ -+ unsigned short mov1, mov2, jmp1; -+ unsigned char stcclc, jmp2; -+ unsigned long addr1, addr2; -+ -+ err = get_user(mov1, (unsigned short __user *)regs->ip); -+ err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2)); -+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10)); -+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12)); -+ err |= get_user(stcclc, (unsigned char __user *)(regs->ip + 20)); -+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 21)); -+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 23)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xBB49 && mov2 == 0xBA49 && (stcclc == 0xF8 || stcclc == 0xF9) && jmp1 == 0xFF49 && jmp2 == 0xE3) { -+ regs->r11 = addr1; -+ regs->r10 = addr2; -+ if (stcclc == 0xF8) -+ regs->flags &= ~X86_EFLAGS_CF; -+ else -+ regs->flags |= X86_EFLAGS_CF; -+ regs->ip = addr1; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #1 */ -+ unsigned short mov1, mov2, jmp1; -+ unsigned char jmp2; -+ unsigned int addr1; -+ unsigned long addr2; -+ -+ err = get_user(mov1, (unsigned short __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 2)); -+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 6)); -+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 8)); -+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 16)); -+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 18)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xBB41 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) { -+ regs->r11 = addr1; -+ regs->r10 = addr2; -+ regs->ip = addr1; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #2 */ -+ unsigned short mov1, mov2, jmp1; -+ unsigned char jmp2; -+ unsigned long addr1, addr2; -+ -+ err = get_user(mov1, (unsigned short __user *)regs->ip); -+ err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2)); -+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10)); -+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12)); -+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 20)); -+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 22)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xBB49 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) { -+ regs->r11 = addr1; -+ regs->r10 = addr2; -+ regs->ip = addr1; -+ return 2; -+ } -+ } while (0); -+ -+ return 1; /* PaX in action */ -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->ip = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when gcc trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ if (v8086_mode(regs)) -+ return 1; -+ -+ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP)) -+ return 1; -+ -+#ifdef CONFIG_X86_32 -+ return pax_handle_fetch_fault_32(regs); -+#else -+ if (regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)) -+ return pax_handle_fetch_fault_32(regs); -+ else -+ return pax_handle_fetch_fault_64(regs); -+#endif -+} -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+void pax_report_insns(struct pt_regs *regs, void *pc, void *sp) -+{ -+ long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (unsigned char __force_user *)pc+i)) -+ printk(KERN_CONT "?? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+ -+ printk(KERN_ERR "PAX: bytes at SP-%lu: ", (unsigned long)sizeof(long)); -+ for (i = -1; i < 80 / (long)sizeof(long); i++) { -+ unsigned long c; -+ if (get_user(c, (unsigned long __force_user *)sp+i)) { -+#ifdef CONFIG_X86_32 -+ printk(KERN_CONT "???????? "); -+#else -+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))) -+ printk(KERN_CONT "???????? ???????? "); -+ else -+ printk(KERN_CONT "???????????????? "); -+#endif -+ } else { -+#ifdef CONFIG_X86_64 -+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT))) { -+ printk(KERN_CONT "%08x ", (unsigned int)c); -+ printk(KERN_CONT "%08x ", (unsigned int)(c >> 32)); -+ } else -+#endif -+ printk(KERN_CONT "%0*lx ", 2 * (int)sizeof(long), c); -+ } -+ } -+ printk("\n"); -+} -+#endif -+ -+/** -+ * probe_kernel_write(): safely attempt to write to a location -+ * @dst: address to write to -+ * @src: pointer to the data that shall be written -+ * @size: size of the data chunk -+ * -+ * Safely write to address @dst from the buffer at @src. If a kernel fault -+ * happens, handle that and return -EFAULT. -+ */ -+long notrace probe_kernel_write(void *dst, const void *src, size_t size) -+{ -+ long ret; -+ mm_segment_t old_fs = get_fs(); -+ -+ set_fs(KERNEL_DS); -+ pagefault_disable(); -+ pax_open_kernel(); -+ ret = __copy_to_user_inatomic((void __force_user *)dst, src, size); -+ pax_close_kernel(); -+ pagefault_enable(); -+ set_fs(old_fs); -+ -+ return ret ? -EFAULT : 0; -+} -diff --git a/arch/x86/mm/gup.c b/arch/x86/mm/gup.c -index 81bf3d2..7ef25c2 100644 ---- a/arch/x86/mm/gup.c -+++ b/arch/x86/mm/gup.c -@@ -268,7 +268,7 @@ int __get_user_pages_fast(unsigned long start, int nr_pages, int write, - addr = start; - len = (unsigned long) nr_pages << PAGE_SHIFT; - end = start + len; -- if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ, -+ if (unlikely(!access_ok_noprefault(write ? VERIFY_WRITE : VERIFY_READ, - (void __user *)start, len))) - return 0; - -@@ -344,6 +344,10 @@ int get_user_pages_fast(unsigned long start, int nr_pages, int write, - goto slow_irqon; - #endif - -+ if (unlikely(!access_ok_noprefault(write ? VERIFY_WRITE : VERIFY_READ, -+ (void __user *)start, len))) -+ return 0; -+ - /* - * XXX: batch / limit 'nr', to avoid large irq off latency - * needs some instrumenting to determine the common sizes used by -diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c -index 4500142..53a363c 100644 ---- a/arch/x86/mm/highmem_32.c -+++ b/arch/x86/mm/highmem_32.c -@@ -45,7 +45,11 @@ void *kmap_atomic_prot(struct page *page, pgprot_t prot) - idx = type + KM_TYPE_NR*smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); - BUG_ON(!pte_none(*(kmap_pte-idx))); -+ -+ pax_open_kernel(); - set_pte(kmap_pte-idx, mk_pte(page, prot)); -+ pax_close_kernel(); -+ - arch_flush_lazy_mmu_mode(); - - return (void *)vaddr; -diff --git a/arch/x86/mm/hugetlbpage.c b/arch/x86/mm/hugetlbpage.c -index 42982b2..7168fc3 100644 ---- a/arch/x86/mm/hugetlbpage.c -+++ b/arch/x86/mm/hugetlbpage.c -@@ -74,23 +74,24 @@ int pud_huge(pud_t pud) - #ifdef CONFIG_HUGETLB_PAGE - static unsigned long hugetlb_get_unmapped_area_bottomup(struct file *file, - unsigned long addr, unsigned long len, -- unsigned long pgoff, unsigned long flags) -+ unsigned long pgoff, unsigned long flags, unsigned long offset) - { - struct hstate *h = hstate_file(file); - struct vm_unmapped_area_info info; -- -+ - info.flags = 0; - info.length = len; - info.low_limit = current->mm->mmap_legacy_base; - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - - static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - unsigned long addr0, unsigned long len, -- unsigned long pgoff, unsigned long flags) -+ unsigned long pgoff, unsigned long flags, unsigned long offset) - { - struct hstate *h = hstate_file(file); - struct vm_unmapped_area_info info; -@@ -102,6 +103,7 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - info.high_limit = current->mm->mmap_base; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -114,6 +116,12 @@ static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += current->mm->delta_mmap; -+#endif -+ - info.high_limit = TASK_SIZE; - addr = vm_unmapped_area(&info); - } -@@ -128,10 +136,20 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - struct hstate *h = hstate_file(file); - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; -+ unsigned long pax_task_size = TASK_SIZE; -+ unsigned long offset = gr_rand_threadstack_offset(mm, file, flags); - - if (len & ~huge_page_mask(h)) - return -EINVAL; -- if (len > TASK_SIZE) -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (len > pax_task_size) - return -ENOMEM; - - if (flags & MAP_FIXED) { -@@ -140,19 +158,22 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - return addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = ALIGN(addr, huge_page_size(h)); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (pax_task_size - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - if (mm->get_unmapped_area == arch_get_unmapped_area) - return hugetlb_get_unmapped_area_bottomup(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - else - return hugetlb_get_unmapped_area_topdown(file, addr, len, -- pgoff, flags); -+ pgoff, flags, offset); - } - #endif /* CONFIG_HUGETLB_PAGE */ - -diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c -index 1d55318..d58fd6a 100644 ---- a/arch/x86/mm/init.c -+++ b/arch/x86/mm/init.c -@@ -4,6 +4,7 @@ - #include <linux/swap.h> - #include <linux/memblock.h> - #include <linux/bootmem.h> /* for max_low_pfn */ -+#include <linux/tboot.h> - - #include <asm/cacheflush.h> - #include <asm/e820.h> -@@ -17,6 +18,8 @@ - #include <asm/proto.h> - #include <asm/dma.h> /* for MAX_DMA_PFN */ - #include <asm/microcode.h> -+#include <asm/desc.h> -+#include <asm/bios_ebda.h> - - /* - * We need to define the tracepoints somewhere, and tlb.c -@@ -615,7 +618,18 @@ void __init init_mem_mapping(void) - early_ioremap_page_table_range_init(); - #endif - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(0, kernel) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+ clone_pgd_range(get_cpu_pgd(0, user) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+ load_cr3(get_cpu_pgd(0, kernel)); -+#else - load_cr3(swapper_pg_dir); -+#endif -+ - __flush_tlb_all(); - - early_memtest(0, max_pfn_mapped << PAGE_SHIFT); -@@ -631,10 +645,40 @@ void __init init_mem_mapping(void) - * Access has to be given to non-kernel-ram areas as well, these contain the PCI - * mmio resources as well as potential bios/acpi data regions. - */ -+ -+#ifdef CONFIG_GRKERNSEC_KMEM -+static unsigned int ebda_start __read_only; -+static unsigned int ebda_end __read_only; -+#endif -+ - int devmem_is_allowed(unsigned long pagenr) - { -- if (pagenr < 256) -+#ifdef CONFIG_GRKERNSEC_KMEM -+ /* allow BDA */ -+ if (!pagenr) - return 1; -+ /* allow EBDA */ -+ if (pagenr >= ebda_start && pagenr < ebda_end) -+ return 1; -+ /* if tboot is in use, allow access to its hardcoded serial log range */ -+ if (tboot_enabled() && ((0x60000 >> PAGE_SHIFT) <= pagenr) && (pagenr < (0x68000 >> PAGE_SHIFT))) -+ return 1; -+#else -+ if (!pagenr) -+ return 1; -+#ifdef CONFIG_VM86 -+ if (pagenr < (ISA_START_ADDRESS >> PAGE_SHIFT)) -+ return 1; -+#endif -+#endif -+ -+ if ((ISA_START_ADDRESS >> PAGE_SHIFT) <= pagenr && pagenr < (ISA_END_ADDRESS >> PAGE_SHIFT)) -+ return 1; -+#ifdef CONFIG_GRKERNSEC_KMEM -+ /* throw out everything else below 1MB */ -+ if (pagenr <= 256) -+ return 0; -+#endif - if (iomem_is_exclusive(pagenr << PAGE_SHIFT)) - return 0; - if (!page_is_ram(pagenr)) -@@ -680,8 +724,117 @@ void free_init_pages(char *what, unsigned long begin, unsigned long end) - #endif - } - -+#ifdef CONFIG_GRKERNSEC_KMEM -+static inline void gr_init_ebda(void) -+{ -+ unsigned int ebda_addr; -+ unsigned int ebda_size = 0; -+ -+ ebda_addr = get_bios_ebda(); -+ if (ebda_addr) { -+ ebda_size = *(unsigned char *)phys_to_virt(ebda_addr); -+ ebda_size <<= 10; -+ } -+ if (ebda_addr && ebda_size) { -+ ebda_start = ebda_addr >> PAGE_SHIFT; -+ ebda_end = min((unsigned int)PAGE_ALIGN(ebda_addr + ebda_size), (unsigned int)0xa0000) >> PAGE_SHIFT; -+ } else { -+ ebda_start = 0x9f000 >> PAGE_SHIFT; -+ ebda_end = 0xa0000 >> PAGE_SHIFT; -+ } -+} -+#else -+static inline void gr_init_ebda(void) { } -+#endif -+ - void free_initmem(void) - { -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_32 -+ /* PaX: limit KERNEL_CS to actual size */ -+ unsigned long addr, limit; -+ struct desc_struct d; -+ int cpu; -+#else -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ unsigned long addr, end; -+#endif -+#endif -+ -+ gr_init_ebda(); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_32 -+ limit = paravirt_enabled() ? ktva_ktla(0xffffffff) : (unsigned long)&_etext; -+ limit = (limit - 1UL) >> PAGE_SHIFT; -+ -+ memset(__LOAD_PHYSICAL_ADDR + PAGE_OFFSET, POISON_FREE_INITMEM, PAGE_SIZE); -+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) { -+ pack_descriptor(&d, get_desc_base(&get_cpu_gdt_table(cpu)[GDT_ENTRY_KERNEL_CS]), limit, 0x9B, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEL_CS, &d, DESCTYPE_S); -+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEXEC_KERNEL_CS, &d, DESCTYPE_S); -+ } -+ -+ /* PaX: make KERNEL_CS read-only */ -+ addr = PFN_ALIGN(ktla_ktva((unsigned long)&_text)); -+ if (!paravirt_enabled()) -+ set_memory_ro(addr, (PFN_ALIGN(_sdata) - addr) >> PAGE_SHIFT); -+/* -+ for (addr = ktla_ktva((unsigned long)&_text); addr < (unsigned long)&_sdata; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW)); -+ } -+*/ -+#ifdef CONFIG_X86_PAE -+ set_memory_nx(PFN_ALIGN(__init_begin), (PFN_ALIGN(__init_end) - PFN_ALIGN(__init_begin)) >> PAGE_SHIFT); -+/* -+ for (addr = (unsigned long)&__init_begin; addr < (unsigned long)&__init_end; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask))); -+ } -+*/ -+#endif -+ -+#ifdef CONFIG_MODULES -+ set_memory_4k((unsigned long)MODULES_EXEC_VADDR, (MODULES_EXEC_END - MODULES_EXEC_VADDR) >> PAGE_SHIFT); -+#endif -+ -+#else -+ /* PaX: make kernel code/rodata read-only, rest non-executable */ -+ for (addr = __START_KERNEL_map; addr < __START_KERNEL_map + KERNEL_IMAGE_SIZE; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ if (!pmd_present(*pmd)) -+ continue; -+ if ((unsigned long)_text <= addr && addr < (unsigned long)_sdata) -+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW)); -+ else -+ set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask))); -+ } -+ -+ addr = (unsigned long)__va(__pa(__START_KERNEL_map)); -+ end = addr + KERNEL_IMAGE_SIZE; -+ for (; addr < end; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ if (!pmd_present(*pmd)) -+ continue; -+ if ((unsigned long)__va(__pa(_text)) <= addr && addr < (unsigned long)__va(__pa(_sdata))) -+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW)); -+ } -+#endif -+ -+ flush_tlb_all(); -+#endif -+ - free_init_pages("unused kernel", - (unsigned long)(&__init_begin), - (unsigned long)(&__init_end)); -diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c -index c8140e1..59257fc 100644 ---- a/arch/x86/mm/init_32.c -+++ b/arch/x86/mm/init_32.c -@@ -62,33 +62,6 @@ static noinline int do_test_wp_bit(void); - bool __read_mostly __vmalloc_start_set = false; - - /* -- * Creates a middle page table and puts a pointer to it in the -- * given global directory entry. This only returns the gd entry -- * in non-PAE compilation mode, since the middle layer is folded. -- */ --static pmd_t * __init one_md_table_init(pgd_t *pgd) --{ -- pud_t *pud; -- pmd_t *pmd_table; -- --#ifdef CONFIG_X86_PAE -- if (!(pgd_val(*pgd) & _PAGE_PRESENT)) { -- pmd_table = (pmd_t *)alloc_low_page(); -- paravirt_alloc_pmd(&init_mm, __pa(pmd_table) >> PAGE_SHIFT); -- set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT)); -- pud = pud_offset(pgd, 0); -- BUG_ON(pmd_table != pmd_offset(pud, 0)); -- -- return pmd_table; -- } --#endif -- pud = pud_offset(pgd, 0); -- pmd_table = pmd_offset(pud, 0); -- -- return pmd_table; --} -- --/* - * Create a page table and place a pointer to it in a middle page - * directory entry: - */ -@@ -98,13 +71,28 @@ static pte_t * __init one_page_table_init(pmd_t *pmd) - pte_t *page_table = (pte_t *)alloc_low_page(); - - paravirt_alloc_pte(&init_mm, __pa(page_table) >> PAGE_SHIFT); -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ set_pmd(pmd, __pmd(__pa(page_table) | _KERNPG_TABLE)); -+#else - set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE)); -+#endif - BUG_ON(page_table != pte_offset_kernel(pmd, 0)); - } - - return pte_offset_kernel(pmd, 0); - } - -+static pmd_t * __init one_md_table_init(pgd_t *pgd) -+{ -+ pud_t *pud; -+ pmd_t *pmd_table; -+ -+ pud = pud_offset(pgd, 0); -+ pmd_table = pmd_offset(pud, 0); -+ -+ return pmd_table; -+} -+ - pmd_t * __init populate_extra_pmd(unsigned long vaddr) - { - int pgd_idx = pgd_index(vaddr); -@@ -208,6 +196,7 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) - int pgd_idx, pmd_idx; - unsigned long vaddr; - pgd_t *pgd; -+ pud_t *pud; - pmd_t *pmd; - pte_t *pte = NULL; - unsigned long count = page_table_range_init_count(start, end); -@@ -222,8 +211,13 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) - pgd = pgd_base + pgd_idx; - - for ( ; (pgd_idx < PTRS_PER_PGD) && (vaddr != end); pgd++, pgd_idx++) { -- pmd = one_md_table_init(pgd); -- pmd = pmd + pmd_index(vaddr); -+ pud = pud_offset(pgd, vaddr); -+ pmd = pmd_offset(pud, vaddr); -+ -+#ifdef CONFIG_X86_PAE -+ paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT); -+#endif -+ - for (; (pmd_idx < PTRS_PER_PMD) && (vaddr != end); - pmd++, pmd_idx++) { - pte = page_table_kmap_check(one_page_table_init(pmd), -@@ -235,11 +229,20 @@ page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd_base) - } - } - --static inline int is_kernel_text(unsigned long addr) -+static inline int is_kernel_text(unsigned long start, unsigned long end) - { -- if (addr >= (unsigned long)_text && addr <= (unsigned long)__init_end) -- return 1; -- return 0; -+ if ((start >= ktla_ktva((unsigned long)_etext) || -+ end <= ktla_ktva((unsigned long)_stext)) && -+ (start >= ktla_ktva((unsigned long)_einittext) || -+ end <= ktla_ktva((unsigned long)_sinittext)) && -+ -+#ifdef CONFIG_ACPI_SLEEP -+ (start >= (unsigned long)__va(acpi_wakeup_address) + 0x4000 || end <= (unsigned long)__va(acpi_wakeup_address)) && -+#endif -+ -+ (start > (unsigned long)__va(0xfffff) || end <= (unsigned long)__va(0xc0000))) -+ return 0; -+ return 1; - } - - /* -@@ -256,9 +259,10 @@ kernel_physical_mapping_init(unsigned long start, - unsigned long last_map_addr = end; - unsigned long start_pfn, end_pfn; - pgd_t *pgd_base = swapper_pg_dir; -- int pgd_idx, pmd_idx, pte_ofs; -+ unsigned int pgd_idx, pmd_idx, pte_ofs; - unsigned long pfn; - pgd_t *pgd; -+ pud_t *pud; - pmd_t *pmd; - pte_t *pte; - unsigned pages_2m, pages_4k; -@@ -291,8 +295,13 @@ repeat: - pfn = start_pfn; - pgd_idx = pgd_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET); - pgd = pgd_base + pgd_idx; -- for (; pgd_idx < PTRS_PER_PGD; pgd++, pgd_idx++) { -- pmd = one_md_table_init(pgd); -+ for (; pgd_idx < PTRS_PER_PGD && pfn < max_low_pfn; pgd++, pgd_idx++) { -+ pud = pud_offset(pgd, 0); -+ pmd = pmd_offset(pud, 0); -+ -+#ifdef CONFIG_X86_PAE -+ paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT); -+#endif - - if (pfn >= end_pfn) - continue; -@@ -304,14 +313,13 @@ repeat: - #endif - for (; pmd_idx < PTRS_PER_PMD && pfn < end_pfn; - pmd++, pmd_idx++) { -- unsigned int addr = pfn * PAGE_SIZE + PAGE_OFFSET; -+ unsigned long address = pfn * PAGE_SIZE + PAGE_OFFSET; - - /* - * Map with big pages if possible, otherwise - * create normal page tables: - */ - if (use_pse) { -- unsigned int addr2; - pgprot_t prot = PAGE_KERNEL_LARGE; - /* - * first pass will use the same initial -@@ -322,11 +330,7 @@ repeat: - _PAGE_PSE); - - pfn &= PMD_MASK >> PAGE_SHIFT; -- addr2 = (pfn + PTRS_PER_PTE-1) * PAGE_SIZE + -- PAGE_OFFSET + PAGE_SIZE-1; -- -- if (is_kernel_text(addr) || -- is_kernel_text(addr2)) -+ if (is_kernel_text(address, address + PMD_SIZE)) - prot = PAGE_KERNEL_LARGE_EXEC; - - pages_2m++; -@@ -343,7 +347,7 @@ repeat: - pte_ofs = pte_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET); - pte += pte_ofs; - for (; pte_ofs < PTRS_PER_PTE && pfn < end_pfn; -- pte++, pfn++, pte_ofs++, addr += PAGE_SIZE) { -+ pte++, pfn++, pte_ofs++, address += PAGE_SIZE) { - pgprot_t prot = PAGE_KERNEL; - /* - * first pass will use the same initial -@@ -351,7 +355,7 @@ repeat: - */ - pgprot_t init_prot = __pgprot(PTE_IDENT_ATTR); - -- if (is_kernel_text(addr)) -+ if (is_kernel_text(address, address + PAGE_SIZE)) - prot = PAGE_KERNEL_EXEC; - - pages_4k++; -@@ -474,7 +478,7 @@ void __init native_pagetable_init(void) - - pud = pud_offset(pgd, va); - pmd = pmd_offset(pud, va); -- if (!pmd_present(*pmd)) -+ if (!pmd_present(*pmd)) // PAX TODO || pmd_large(*pmd)) - break; - - /* should not be large page here */ -@@ -532,12 +536,10 @@ void __init early_ioremap_page_table_range_init(void) - - static void __init pagetable_init(void) - { -- pgd_t *pgd_base = swapper_pg_dir; -- -- permanent_kmaps_init(pgd_base); -+ permanent_kmaps_init(swapper_pg_dir); - } - --pteval_t __supported_pte_mask __read_mostly = ~(_PAGE_NX | _PAGE_GLOBAL); -+pteval_t __supported_pte_mask __read_only = ~(_PAGE_NX | _PAGE_GLOBAL); - EXPORT_SYMBOL_GPL(__supported_pte_mask); - - /* user-defined highmem size */ -@@ -787,10 +789,10 @@ void __init mem_init(void) - ((unsigned long)&__init_end - - (unsigned long)&__init_begin) >> 10, - -- (unsigned long)&_etext, (unsigned long)&_edata, -- ((unsigned long)&_edata - (unsigned long)&_etext) >> 10, -+ (unsigned long)&_sdata, (unsigned long)&_edata, -+ ((unsigned long)&_edata - (unsigned long)&_sdata) >> 10, - -- (unsigned long)&_text, (unsigned long)&_etext, -+ ktla_ktva((unsigned long)&_text), ktla_ktva((unsigned long)&_etext), - ((unsigned long)&_etext - (unsigned long)&_text) >> 10); - - /* -@@ -884,6 +886,7 @@ void set_kernel_text_rw(void) - if (!kernel_set_to_readonly) - return; - -+ start = ktla_ktva(start); - pr_debug("Set kernel text: %lx - %lx for read write\n", - start, start+size); - -@@ -898,6 +901,7 @@ void set_kernel_text_ro(void) - if (!kernel_set_to_readonly) - return; - -+ start = ktla_ktva(start); - pr_debug("Set kernel text: %lx - %lx for read only\n", - start, start+size); - -@@ -926,6 +930,7 @@ void mark_rodata_ro(void) - unsigned long start = PFN_ALIGN(_text); - unsigned long size = PFN_ALIGN(_etext) - start; - -+ start = ktla_ktva(start); - set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT); - printk(KERN_INFO "Write protecting the kernel text: %luk\n", - size >> 10); -diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c -index 3fba623..5ee9802 100644 ---- a/arch/x86/mm/init_64.c -+++ b/arch/x86/mm/init_64.c -@@ -136,7 +136,7 @@ int kernel_ident_mapping_init(struct x86_mapping_info *info, pgd_t *pgd_page, - * around without checking the pgd every time. - */ - --pteval_t __supported_pte_mask __read_mostly = ~0; -+pteval_t __supported_pte_mask __read_only = ~_PAGE_NX; - EXPORT_SYMBOL_GPL(__supported_pte_mask); - - int force_personality32; -@@ -169,7 +169,12 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - - for (address = start; address <= end; address += PGDIR_SIZE) { - const pgd_t *pgd_ref = pgd_offset_k(address); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - - /* - * When it is called after memory hot remove, pgd_none() -@@ -180,6 +185,25 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - continue; - - spin_lock(&pgd_lock); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) { -+ pgd_t *pgd = pgd_offset_cpu(cpu, user, address); -+ -+ if (!pgd_none(*pgd_ref) && !pgd_none(*pgd)) -+ BUG_ON(pgd_page_vaddr(*pgd) -+ != pgd_page_vaddr(*pgd_ref)); -+ -+ if (removed) { -+ if (pgd_none(*pgd_ref) && !pgd_none(*pgd)) -+ pgd_clear(pgd); -+ } else { -+ if (pgd_none(*pgd)) -+ set_pgd(pgd, *pgd_ref); -+ } -+ -+ pgd = pgd_offset_cpu(cpu, kernel, address); -+#else - list_for_each_entry(page, &pgd_list, lru) { - pgd_t *pgd; - spinlock_t *pgt_lock; -@@ -188,6 +212,7 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - /* the pgt_lock only for Xen */ - pgt_lock = &pgd_page_get_mm(page)->page_table_lock; - spin_lock(pgt_lock); -+#endif - - if (!pgd_none(*pgd_ref) && !pgd_none(*pgd)) - BUG_ON(pgd_page_vaddr(*pgd) -@@ -201,7 +226,10 @@ void sync_global_pgds(unsigned long start, unsigned long end, int removed) - set_pgd(pgd, *pgd_ref); - } - -+#ifndef CONFIG_PAX_PER_CPU_PGD - spin_unlock(pgt_lock); -+#endif -+ - } - spin_unlock(&pgd_lock); - } -@@ -234,7 +262,7 @@ static pud_t *fill_pud(pgd_t *pgd, unsigned long vaddr) - { - if (pgd_none(*pgd)) { - pud_t *pud = (pud_t *)spp_getpage(); -- pgd_populate(&init_mm, pgd, pud); -+ pgd_populate_kernel(&init_mm, pgd, pud); - if (pud != pud_offset(pgd, 0)) - printk(KERN_ERR "PAGETABLE BUG #00! %p <-> %p\n", - pud, pud_offset(pgd, 0)); -@@ -246,7 +274,7 @@ static pmd_t *fill_pmd(pud_t *pud, unsigned long vaddr) - { - if (pud_none(*pud)) { - pmd_t *pmd = (pmd_t *) spp_getpage(); -- pud_populate(&init_mm, pud, pmd); -+ pud_populate_kernel(&init_mm, pud, pmd); - if (pmd != pmd_offset(pud, 0)) - printk(KERN_ERR "PAGETABLE BUG #01! %p <-> %p\n", - pmd, pmd_offset(pud, 0)); -@@ -275,7 +303,9 @@ void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte) - pmd = fill_pmd(pud, vaddr); - pte = fill_pte(pmd, vaddr); - -+ pax_open_kernel(); - set_pte(pte, new_pte); -+ pax_close_kernel(); - - /* - * It's enough to flush this one mapping. -@@ -337,14 +367,12 @@ static void __init __init_extra_mapping(unsigned long phys, unsigned long size, - pgd = pgd_offset_k((unsigned long)__va(phys)); - if (pgd_none(*pgd)) { - pud = (pud_t *) spp_getpage(); -- set_pgd(pgd, __pgd(__pa(pud) | _KERNPG_TABLE | -- _PAGE_USER)); -+ set_pgd(pgd, __pgd(__pa(pud) | _PAGE_TABLE)); - } - pud = pud_offset(pgd, (unsigned long)__va(phys)); - if (pud_none(*pud)) { - pmd = (pmd_t *) spp_getpage(); -- set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE | -- _PAGE_USER)); -+ set_pud(pud, __pud(__pa(pmd) | _PAGE_TABLE)); - } - pmd = pmd_offset(pud, phys); - BUG_ON(!pmd_none(*pmd)); -@@ -585,7 +613,7 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end, - prot); - - spin_lock(&init_mm.page_table_lock); -- pud_populate(&init_mm, pud, pmd); -+ pud_populate_kernel(&init_mm, pud, pmd); - spin_unlock(&init_mm.page_table_lock); - } - __flush_tlb_all(); -@@ -626,7 +654,7 @@ kernel_physical_mapping_init(unsigned long start, - page_size_mask); - - spin_lock(&init_mm.page_table_lock); -- pgd_populate(&init_mm, pgd, pud); -+ pgd_populate_kernel(&init_mm, pgd, pud); - spin_unlock(&init_mm.page_table_lock); - pgd_changed = true; - } -diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c -index 9ca35fc..4b2b7b7 100644 ---- a/arch/x86/mm/iomap_32.c -+++ b/arch/x86/mm/iomap_32.c -@@ -64,7 +64,11 @@ void *kmap_atomic_prot_pfn(unsigned long pfn, pgprot_t prot) - type = kmap_atomic_idx_push(); - idx = type + KM_TYPE_NR * smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); -+ -+ pax_open_kernel(); - set_pte(kmap_pte - idx, pfn_pte(pfn, prot)); -+ pax_close_kernel(); -+ - arch_flush_lazy_mmu_mode(); - - return (void *)vaddr; -diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c -index 70e7444..e9904fd 100644 ---- a/arch/x86/mm/ioremap.c -+++ b/arch/x86/mm/ioremap.c -@@ -56,12 +56,10 @@ static int __ioremap_check_ram(unsigned long start_pfn, unsigned long nr_pages, - unsigned long i; - - for (i = 0; i < nr_pages; ++i) -- if (pfn_valid(start_pfn + i) && -- !PageReserved(pfn_to_page(start_pfn + i))) -+ if (pfn_valid(start_pfn + i) && (start_pfn + i >= 0x100 || -+ !PageReserved(pfn_to_page(start_pfn + i)))) - return 1; - -- WARN_ONCE(1, "ioremap on RAM pfn 0x%lx\n", start_pfn); -- - return 0; - } - -@@ -91,7 +89,6 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, - pgprot_t prot; - int retval; - void __iomem *ret_addr; -- int ram_region; - - /* Don't allow wraparound or zero size */ - last_addr = phys_addr + size - 1; -@@ -114,23 +111,15 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, - /* - * Don't allow anybody to remap normal RAM that we're using.. - */ -- /* First check if whole region can be identified as RAM or not */ -- ram_region = region_is_ram(phys_addr, size); -- if (ram_region > 0) { -- WARN_ONCE(1, "ioremap on RAM at 0x%lx - 0x%lx\n", -- (unsigned long int)phys_addr, -- (unsigned long int)last_addr); -+ pfn = phys_addr >> PAGE_SHIFT; -+ last_pfn = last_addr >> PAGE_SHIFT; -+ if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL, -+ __ioremap_check_ram) == 1) { -+ WARN_ONCE(1, "ioremap on RAM at 0x%llx - 0x%llx\n", -+ phys_addr, last_addr); - return NULL; - } - -- /* If could not be identified(-1), check page by page */ -- if (ram_region < 0) { -- pfn = phys_addr >> PAGE_SHIFT; -- last_pfn = last_addr >> PAGE_SHIFT; -- if (walk_system_ram_range(pfn, last_pfn - pfn + 1, NULL, -- __ioremap_check_ram) == 1) -- return NULL; -- } - /* - * Mappings have to be page-aligned - */ -@@ -288,7 +277,7 @@ EXPORT_SYMBOL(ioremap_prot); - * - * Caller must ensure there is only one unmapping for the same pointer. - */ --void iounmap(volatile void __iomem *addr) -+void iounmap(const volatile void __iomem *addr) - { - struct vm_struct *p, *o; - -@@ -351,32 +340,36 @@ int arch_ioremap_pmd_supported(void) - */ - void *xlate_dev_mem_ptr(phys_addr_t phys) - { -- unsigned long start = phys & PAGE_MASK; -- unsigned long offset = phys & ~PAGE_MASK; -- unsigned long vaddr; -+ phys_addr_t pfn = phys >> PAGE_SHIFT; - -- /* If page is RAM, we can use __va. Otherwise ioremap and unmap. */ -- if (page_is_ram(start >> PAGE_SHIFT)) -- return __va(phys); -+ if (page_is_ram(pfn)) { -+#ifdef CONFIG_HIGHMEM -+ if (pfn >= max_low_pfn) -+ return kmap_high(pfn_to_page(pfn)); -+ else -+#endif -+ return __va(phys); -+ } - -- vaddr = (unsigned long)ioremap_cache(start, PAGE_SIZE); -- /* Only add the offset on success and return NULL if the ioremap() failed: */ -- if (vaddr) -- vaddr += offset; -- -- return (void *)vaddr; -+ return (void __force *)ioremap_cache(phys, 1); - } - - void unxlate_dev_mem_ptr(phys_addr_t phys, void *addr) - { -- if (page_is_ram(phys >> PAGE_SHIFT)) -+ phys_addr_t pfn = phys >> PAGE_SHIFT; -+ -+ if (page_is_ram(pfn)) { -+#ifdef CONFIG_HIGHMEM -+ if (pfn >= max_low_pfn) -+ kunmap_high(pfn_to_page(pfn)); -+#endif - return; -+ } - -- iounmap((void __iomem *)((unsigned long)addr & PAGE_MASK)); -- return; -+ iounmap((void __iomem __force *)addr); - } - --static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_bss; -+static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __read_only __aligned(PAGE_SIZE); - - static inline pmd_t * __init early_ioremap_pmd(unsigned long addr) - { -@@ -412,8 +405,7 @@ void __init early_ioremap_init(void) - early_ioremap_setup(); - - pmd = early_ioremap_pmd(fix_to_virt(FIX_BTMAP_BEGIN)); -- memset(bm_pte, 0, sizeof(bm_pte)); -- pmd_populate_kernel(&init_mm, pmd, bm_pte); -+ pmd_populate_user(&init_mm, pmd, bm_pte); - - /* - * The boot-ioremap range spans multiple pmds, for which -diff --git a/arch/x86/mm/kmemcheck/kmemcheck.c b/arch/x86/mm/kmemcheck/kmemcheck.c -index b4f2e7e..96c9c3e 100644 ---- a/arch/x86/mm/kmemcheck/kmemcheck.c -+++ b/arch/x86/mm/kmemcheck/kmemcheck.c -@@ -628,9 +628,9 @@ bool kmemcheck_fault(struct pt_regs *regs, unsigned long address, - * memory (e.g. tracked pages)? For now, we need this to avoid - * invoking kmemcheck for PnP BIOS calls. - */ -- if (regs->flags & X86_VM_MASK) -+ if (v8086_mode(regs)) - return false; -- if (regs->cs != __KERNEL_CS) -+ if (regs->cs != __KERNEL_CS && regs->cs != __KERNEXEC_KERNEL_CS) - return false; - - pte = kmemcheck_pte_lookup(address); -diff --git a/arch/x86/mm/mmap.c b/arch/x86/mm/mmap.c -index 844b06d..f363c86 100644 ---- a/arch/x86/mm/mmap.c -+++ b/arch/x86/mm/mmap.c -@@ -52,7 +52,7 @@ static unsigned long stack_maxrandom_size(void) - * Leave an at least ~128 MB hole with possible stack randomization. - */ - #define MIN_GAP (128*1024*1024UL + stack_maxrandom_size()) --#define MAX_GAP (TASK_SIZE/6*5) -+#define MAX_GAP (pax_task_size/6*5) - - static int mmap_is_legacy(void) - { -@@ -81,27 +81,40 @@ unsigned long arch_mmap_rnd(void) - return rnd << PAGE_SHIFT; - } - --static unsigned long mmap_base(unsigned long rnd) -+static unsigned long mmap_base(struct mm_struct *mm, unsigned long rnd) - { - unsigned long gap = rlimit(RLIMIT_STACK); -+ unsigned long pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif - - if (gap < MIN_GAP) - gap = MIN_GAP; - else if (gap > MAX_GAP) - gap = MAX_GAP; - -- return PAGE_ALIGN(TASK_SIZE - gap - rnd); -+ return PAGE_ALIGN(pax_task_size - gap - rnd); - } - - /* - * Bottom-up (legacy) layout on X86_32 did not support randomization, X86_64 - * does, but not when emulating X86_32 - */ --static unsigned long mmap_legacy_base(unsigned long rnd) -+static unsigned long mmap_legacy_base(struct mm_struct *mm, unsigned long rnd) - { -- if (mmap_is_ia32()) -+ if (mmap_is_ia32()) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ return SEGMEXEC_TASK_UNMAPPED_BASE; -+ else -+#endif -+ - return TASK_UNMAPPED_BASE; -- else -+ } else - return TASK_UNMAPPED_BASE + rnd; - } - -@@ -113,18 +126,29 @@ void arch_pick_mmap_layout(struct mm_struct *mm) - { - unsigned long random_factor = 0UL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif - if (current->flags & PF_RANDOMIZE) - random_factor = arch_mmap_rnd(); - -- mm->mmap_legacy_base = mmap_legacy_base(random_factor); -+ mm->mmap_legacy_base = mmap_legacy_base(mm, random_factor); - - if (mmap_is_legacy()) { - mm->mmap_base = mm->mmap_legacy_base; - mm->get_unmapped_area = arch_get_unmapped_area; - } else { -- mm->mmap_base = mmap_base(random_factor); -+ mm->mmap_base = mmap_base(mm, random_factor); - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - } -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) { -+ mm->mmap_legacy_base += mm->delta_mmap; -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+ } -+#endif -+ - } - - const char *arch_vma_name(struct vm_area_struct *vma) -diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c -index 0057a7a..95c7edd 100644 ---- a/arch/x86/mm/mmio-mod.c -+++ b/arch/x86/mm/mmio-mod.c -@@ -194,7 +194,7 @@ static void pre(struct kmmio_probe *p, struct pt_regs *regs, - break; - default: - { -- unsigned char *ip = (unsigned char *)instptr; -+ unsigned char *ip = (unsigned char *)ktla_ktva(instptr); - my_trace->opcode = MMIO_UNKNOWN_OP; - my_trace->width = 0; - my_trace->value = (*ip) << 16 | *(ip + 1) << 8 | -@@ -234,7 +234,7 @@ static void post(struct kmmio_probe *p, unsigned long condition, - static void ioremap_trace_core(resource_size_t offset, unsigned long size, - void __iomem *addr) - { -- static atomic_t next_id; -+ static atomic_unchecked_t next_id; - struct remap_trace *trace = kmalloc(sizeof(*trace), GFP_KERNEL); - /* These are page-unaligned. */ - struct mmiotrace_map map = { -@@ -258,7 +258,7 @@ static void ioremap_trace_core(resource_size_t offset, unsigned long size, - .private = trace - }, - .phys = offset, -- .id = atomic_inc_return(&next_id) -+ .id = atomic_inc_return_unchecked(&next_id) - }; - map.map_id = trace->id; - -@@ -290,7 +290,7 @@ void mmiotrace_ioremap(resource_size_t offset, unsigned long size, - ioremap_trace_core(offset, size, addr); - } - --static void iounmap_trace_core(volatile void __iomem *addr) -+static void iounmap_trace_core(const volatile void __iomem *addr) - { - struct mmiotrace_map map = { - .phys = 0, -@@ -328,7 +328,7 @@ not_enabled: - } - } - --void mmiotrace_iounmap(volatile void __iomem *addr) -+void mmiotrace_iounmap(const volatile void __iomem *addr) - { - might_sleep(); - if (is_enabled()) /* recheck and proper locking in *_core() */ -diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c -index 4053bb5..b1ad3dc 100644 ---- a/arch/x86/mm/numa.c -+++ b/arch/x86/mm/numa.c -@@ -506,7 +506,7 @@ static void __init numa_clear_kernel_node_hotplug(void) - } - } - --static int __init numa_register_memblks(struct numa_meminfo *mi) -+static int __init __intentional_overflow(-1) numa_register_memblks(struct numa_meminfo *mi) - { - unsigned long uninitialized_var(pfn_align); - int i, nid; -diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c -index 89af288..05381957 100644 ---- a/arch/x86/mm/pageattr.c -+++ b/arch/x86/mm/pageattr.c -@@ -260,7 +260,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, - */ - #ifdef CONFIG_PCI_BIOS - if (pcibios_enabled && within(pfn, BIOS_BEGIN >> PAGE_SHIFT, BIOS_END >> PAGE_SHIFT)) -- pgprot_val(forbidden) |= _PAGE_NX; -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; - #endif - - /* -@@ -268,9 +268,10 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, - * Does not cover __inittext since that is gone later on. On - * 64bit we do not enforce !NX on the low mapping - */ -- if (within(address, (unsigned long)_text, (unsigned long)_etext)) -- pgprot_val(forbidden) |= _PAGE_NX; -+ if (within(address, ktla_ktva((unsigned long)_text), ktla_ktva((unsigned long)_etext))) -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; - -+#ifdef CONFIG_DEBUG_RODATA - /* - * The .rodata section needs to be read-only. Using the pfn - * catches all aliases. -@@ -278,6 +279,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, - if (within(pfn, __pa_symbol(__start_rodata) >> PAGE_SHIFT, - __pa_symbol(__end_rodata) >> PAGE_SHIFT)) - pgprot_val(forbidden) |= _PAGE_RW; -+#endif - - #if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA) - /* -@@ -316,6 +318,13 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address, - } - #endif - -+#ifdef CONFIG_PAX_KERNEXEC -+ if (within(pfn, __pa(ktla_ktva((unsigned long)&_text)), __pa((unsigned long)&_sdata))) { -+ pgprot_val(forbidden) |= _PAGE_RW; -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; -+ } -+#endif -+ - prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden)); - - return prot; -@@ -438,23 +447,37 @@ EXPORT_SYMBOL_GPL(slow_virt_to_phys); - static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte) - { - /* change init_mm */ -+ pax_open_kernel(); - set_pte_atomic(kpte, pte); -+ - #ifdef CONFIG_X86_32 - if (!SHARED_KERNEL_PMD) { -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < nr_cpu_ids; ++cpu) { -+ pgd_t *pgd = get_cpu_pgd(cpu, kernel); -+#else - list_for_each_entry(page, &pgd_list, lru) { -- pgd_t *pgd; -+ pgd_t *pgd = (pgd_t *)page_address(page); -+#endif -+ - pud_t *pud; - pmd_t *pmd; - -- pgd = (pgd_t *)page_address(page) + pgd_index(address); -+ pgd += pgd_index(address); - pud = pud_offset(pgd, address); - pmd = pmd_offset(pud, address); - set_pte_atomic((pte_t *)pmd, pte); - } - } - #endif -+ pax_close_kernel(); - } - - static int -diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c -index 35af677..e7bf11f 100644 ---- a/arch/x86/mm/pat.c -+++ b/arch/x86/mm/pat.c -@@ -89,7 +89,7 @@ static inline enum page_cache_mode get_page_memtype(struct page *pg) - unsigned long pg_flags = pg->flags & _PGMT_MASK; - - if (pg_flags == _PGMT_DEFAULT) -- return -1; -+ return _PAGE_CACHE_MODE_NUM; - else if (pg_flags == _PGMT_WC) - return _PAGE_CACHE_MODE_WC; - else if (pg_flags == _PGMT_UC_MINUS) -@@ -346,7 +346,7 @@ static int reserve_ram_pages_type(u64 start, u64 end, - - page = pfn_to_page(pfn); - type = get_page_memtype(page); -- if (type != -1) { -+ if (type != _PAGE_CACHE_MODE_NUM) { - pr_info("reserve_ram_pages_type failed [mem %#010Lx-%#010Lx], track 0x%x, req 0x%x\n", - start, end - 1, type, req_type); - if (new_type) -@@ -498,7 +498,7 @@ int free_memtype(u64 start, u64 end) - - if (!entry) { - printk(KERN_INFO "%s:%d freeing invalid memtype [mem %#010Lx-%#010Lx]\n", -- current->comm, current->pid, start, end - 1); -+ current->comm, task_pid_nr(current), start, end - 1); - return -EINVAL; - } - -@@ -532,10 +532,10 @@ static enum page_cache_mode lookup_memtype(u64 paddr) - page = pfn_to_page(paddr >> PAGE_SHIFT); - rettype = get_page_memtype(page); - /* -- * -1 from get_page_memtype() implies RAM page is in its -+ * _PAGE_CACHE_MODE_NUM from get_page_memtype() implies RAM page is in its - * default state and not reserved, and hence of type WB - */ -- if (rettype == -1) -+ if (rettype == _PAGE_CACHE_MODE_NUM) - rettype = _PAGE_CACHE_MODE_WB; - - return rettype; -@@ -628,8 +628,8 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size) - - while (cursor < to) { - if (!devmem_is_allowed(pfn)) { -- printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx], PAT prevents it\n", -- current->comm, from, to - 1); -+ printk(KERN_INFO "Program %s tried to access /dev/mem between [mem %#010Lx-%#010Lx] (%#010Lx), PAT prevents it\n", -+ current->comm, from, to - 1, cursor); - return 0; - } - cursor += PAGE_SIZE; -@@ -700,7 +700,7 @@ int kernel_map_sync_memtype(u64 base, unsigned long size, - if (ioremap_change_attr((unsigned long)__va(base), id_sz, pcm) < 0) { - printk(KERN_INFO "%s:%d ioremap_change_attr failed %s " - "for [mem %#010Lx-%#010Lx]\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(pcm), - base, (unsigned long long)(base + size-1)); - return -EINVAL; -@@ -735,7 +735,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot, - pcm = lookup_memtype(paddr); - if (want_pcm != pcm) { - printk(KERN_WARNING "%s:%d map pfn RAM range req %s for [mem %#010Lx-%#010Lx], got %s\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(want_pcm), - (unsigned long long)paddr, - (unsigned long long)(paddr + size - 1), -@@ -757,7 +757,7 @@ static int reserve_pfn_range(u64 paddr, unsigned long size, pgprot_t *vma_prot, - free_memtype(paddr, paddr + size); - printk(KERN_ERR "%s:%d map pfn expected mapping type %s" - " for [mem %#010Lx-%#010Lx], got %s\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(want_pcm), - (unsigned long long)paddr, - (unsigned long long)(paddr + size - 1), -diff --git a/arch/x86/mm/pat_rbtree.c b/arch/x86/mm/pat_rbtree.c -index 6582adc..fcc5d0b 100644 ---- a/arch/x86/mm/pat_rbtree.c -+++ b/arch/x86/mm/pat_rbtree.c -@@ -161,7 +161,7 @@ success: - - failure: - printk(KERN_INFO "%s:%d conflicting memory types " -- "%Lx-%Lx %s<->%s\n", current->comm, current->pid, start, -+ "%Lx-%Lx %s<->%s\n", current->comm, task_pid_nr(current), start, - end, cattr_name(found_type), cattr_name(match->type)); - return -EBUSY; - } -diff --git a/arch/x86/mm/pf_in.c b/arch/x86/mm/pf_in.c -index 9f0614d..92ae64a 100644 ---- a/arch/x86/mm/pf_in.c -+++ b/arch/x86/mm/pf_in.c -@@ -148,7 +148,7 @@ enum reason_type get_ins_type(unsigned long ins_addr) - int i; - enum reason_type rv = OTHERS; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -168,7 +168,7 @@ static unsigned int get_ins_reg_width(unsigned long ins_addr) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -191,7 +191,7 @@ unsigned int get_ins_mem_width(unsigned long ins_addr) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -415,7 +415,7 @@ unsigned long get_ins_reg_val(unsigned long ins_addr, struct pt_regs *regs) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - for (i = 0; i < ARRAY_SIZE(reg_rop); i++) -@@ -470,7 +470,7 @@ unsigned long get_ins_imm_val(unsigned long ins_addr) - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - for (i = 0; i < ARRAY_SIZE(imm_wop); i++) -diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c -index 0b97d2c..597bb38 100644 ---- a/arch/x86/mm/pgtable.c -+++ b/arch/x86/mm/pgtable.c -@@ -98,10 +98,75 @@ static inline void pgd_list_del(pgd_t *pgd) - list_del(&page->lru); - } - --#define UNSHARED_PTRS_PER_PGD \ -- (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD) -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+pgdval_t clone_pgd_mask __read_only = ~_PAGE_PRESENT; - -+void __shadow_user_pgds(pgd_t *dst, const pgd_t *src) -+{ -+ unsigned int count = USER_PGD_PTRS; - -+ if (!pax_user_shadow_base) -+ return; -+ -+ while (count--) -+ *dst++ = __pgd((pgd_val(*src++) | (_PAGE_NX & __supported_pte_mask)) & ~_PAGE_USER); -+} -+#endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+void __clone_user_pgds(pgd_t *dst, const pgd_t *src) -+{ -+ unsigned int count = USER_PGD_PTRS; -+ -+ while (count--) { -+ pgd_t pgd; -+ -+#ifdef CONFIG_X86_64 -+ pgd = __pgd(pgd_val(*src++) | _PAGE_USER); -+#else -+ pgd = *src++; -+#endif -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ pgd = __pgd(pgd_val(pgd) & clone_pgd_mask); -+#endif -+ -+ *dst++ = pgd; -+ } -+ -+} -+#endif -+ -+#ifdef CONFIG_X86_64 -+#define pxd_t pud_t -+#define pyd_t pgd_t -+#define paravirt_release_pxd(pfn) paravirt_release_pud(pfn) -+#define pgtable_pxd_page_ctor(page) true -+#define pgtable_pxd_page_dtor(page) do {} while (0) -+#define pxd_free(mm, pud) pud_free((mm), (pud)) -+#define pyd_populate(mm, pgd, pud) pgd_populate((mm), (pgd), (pud)) -+#define pyd_offset(mm, address) pgd_offset((mm), (address)) -+#define PYD_SIZE PGDIR_SIZE -+#define mm_inc_nr_pxds(mm) do {} while (0) -+#define mm_dec_nr_pxds(mm) do {} while (0) -+#else -+#define pxd_t pmd_t -+#define pyd_t pud_t -+#define paravirt_release_pxd(pfn) paravirt_release_pmd(pfn) -+#define pgtable_pxd_page_ctor(page) pgtable_pmd_page_ctor(page) -+#define pgtable_pxd_page_dtor(page) pgtable_pmd_page_dtor(page) -+#define pxd_free(mm, pud) pmd_free((mm), (pud)) -+#define pyd_populate(mm, pgd, pud) pud_populate((mm), (pgd), (pud)) -+#define pyd_offset(mm, address) pud_offset((mm), (address)) -+#define PYD_SIZE PUD_SIZE -+#define mm_inc_nr_pxds(mm) mm_inc_nr_pmds(mm) -+#define mm_dec_nr_pxds(mm) mm_dec_nr_pmds(mm) -+#endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+static inline void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) {} -+static inline void pgd_dtor(pgd_t *pgd) {} -+#else - static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm) - { - BUILD_BUG_ON(sizeof(virt_to_page(pgd)->index) < sizeof(mm)); -@@ -142,6 +207,7 @@ static void pgd_dtor(pgd_t *pgd) - pgd_list_del(pgd); - spin_unlock(&pgd_lock); - } -+#endif - - /* - * List of all pgd's needed for non-PAE so it can invalidate entries -@@ -154,7 +220,7 @@ static void pgd_dtor(pgd_t *pgd) - * -- nyc - */ - --#ifdef CONFIG_X86_PAE -+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE) - /* - * In PAE mode, we need to do a cr3 reload (=tlb flush) when - * updating the top-level pagetable entries to guarantee the -@@ -166,7 +232,7 @@ static void pgd_dtor(pgd_t *pgd) - * not shared between pagetables (!SHARED_KERNEL_PMDS), we allocate - * and initialize the kernel pmds here. - */ --#define PREALLOCATED_PMDS UNSHARED_PTRS_PER_PGD -+#define PREALLOCATED_PXDS (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD) - - void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) - { -@@ -184,46 +250,48 @@ void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) - */ - flush_tlb_mm(mm); - } -+#elif defined(CONFIG_X86_64) && defined(CONFIG_PAX_PER_CPU_PGD) -+#define PREALLOCATED_PXDS USER_PGD_PTRS - #else /* !CONFIG_X86_PAE */ - - /* No need to prepopulate any pagetable entries in non-PAE modes. */ --#define PREALLOCATED_PMDS 0 -+#define PREALLOCATED_PXDS 0 - - #endif /* CONFIG_X86_PAE */ - --static void free_pmds(struct mm_struct *mm, pmd_t *pmds[]) -+static void free_pxds(struct mm_struct *mm, pxd_t *pxds[]) - { - int i; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) -- if (pmds[i]) { -- pgtable_pmd_page_dtor(virt_to_page(pmds[i])); -- free_page((unsigned long)pmds[i]); -- mm_dec_nr_pmds(mm); -+ for(i = 0; i < PREALLOCATED_PXDS; i++) -+ if (pxds[i]) { -+ pgtable_pxd_page_dtor(virt_to_page(pxds[i])); -+ free_page((unsigned long)pxds[i]); -+ mm_dec_nr_pxds(mm); - } - } - --static int preallocate_pmds(struct mm_struct *mm, pmd_t *pmds[]) -+static int preallocate_pxds(struct mm_struct *mm, pxd_t *pxds[]) - { - int i; - bool failed = false; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) { -- pmd_t *pmd = (pmd_t *)__get_free_page(PGALLOC_GFP); -- if (!pmd) -+ for(i = 0; i < PREALLOCATED_PXDS; i++) { -+ pxd_t *pxd = (pxd_t *)__get_free_page(PGALLOC_GFP); -+ if (!pxd) - failed = true; -- if (pmd && !pgtable_pmd_page_ctor(virt_to_page(pmd))) { -- free_page((unsigned long)pmd); -- pmd = NULL; -+ if (pxd && !pgtable_pxd_page_ctor(virt_to_page(pxd))) { -+ free_page((unsigned long)pxd); -+ pxd = NULL; - failed = true; - } -- if (pmd) -- mm_inc_nr_pmds(mm); -- pmds[i] = pmd; -+ if (pxd) -+ mm_inc_nr_pxds(mm); -+ pxds[i] = pxd; - } - - if (failed) { -- free_pmds(mm, pmds); -+ free_pxds(mm, pxds); - return -ENOMEM; - } - -@@ -236,43 +304,47 @@ static int preallocate_pmds(struct mm_struct *mm, pmd_t *pmds[]) - * preallocate which never got a corresponding vma will need to be - * freed manually. - */ --static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp) -+static void pgd_mop_up_pxds(struct mm_struct *mm, pgd_t *pgdp) - { - int i; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) { -+ for(i = 0; i < PREALLOCATED_PXDS; i++) { - pgd_t pgd = pgdp[i]; - - if (pgd_val(pgd) != 0) { -- pmd_t *pmd = (pmd_t *)pgd_page_vaddr(pgd); -+ pxd_t *pxd = (pxd_t *)pgd_page_vaddr(pgd); - -- pgdp[i] = native_make_pgd(0); -+ set_pgd(pgdp + i, native_make_pgd(0)); - -- paravirt_release_pmd(pgd_val(pgd) >> PAGE_SHIFT); -- pmd_free(mm, pmd); -- mm_dec_nr_pmds(mm); -+ paravirt_release_pxd(pgd_val(pgd) >> PAGE_SHIFT); -+ pxd_free(mm, pxd); -+ mm_dec_nr_pxds(mm); - } - } - } - --static void pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmds[]) -+static void pgd_prepopulate_pxd(struct mm_struct *mm, pgd_t *pgd, pxd_t *pxds[]) - { -- pud_t *pud; -+ pyd_t *pyd; - int i; - -- if (PREALLOCATED_PMDS == 0) /* Work around gcc-3.4.x bug */ -+ if (PREALLOCATED_PXDS == 0) /* Work around gcc-3.4.x bug */ - return; - -- pud = pud_offset(pgd, 0); -+#ifdef CONFIG_X86_64 -+ pyd = pyd_offset(mm, 0L); -+#else -+ pyd = pyd_offset(pgd, 0L); -+#endif - -- for (i = 0; i < PREALLOCATED_PMDS; i++, pud++) { -- pmd_t *pmd = pmds[i]; -+ for (i = 0; i < PREALLOCATED_PXDS; i++, pyd++) { -+ pxd_t *pxd = pxds[i]; - - if (i >= KERNEL_PGD_BOUNDARY) -- memcpy(pmd, (pmd_t *)pgd_page_vaddr(swapper_pg_dir[i]), -- sizeof(pmd_t) * PTRS_PER_PMD); -+ memcpy(pxd, (pxd_t *)pgd_page_vaddr(swapper_pg_dir[i]), -+ sizeof(pxd_t) * PTRS_PER_PMD); - -- pud_populate(mm, pud, pmd); -+ pyd_populate(mm, pyd, pxd); - } - } - -@@ -354,7 +426,7 @@ static inline void _pgd_free(pgd_t *pgd) - pgd_t *pgd_alloc(struct mm_struct *mm) - { - pgd_t *pgd; -- pmd_t *pmds[PREALLOCATED_PMDS]; -+ pxd_t *pxds[PREALLOCATED_PXDS]; - - pgd = _pgd_alloc(); - -@@ -363,11 +435,11 @@ pgd_t *pgd_alloc(struct mm_struct *mm) - - mm->pgd = pgd; - -- if (preallocate_pmds(mm, pmds) != 0) -+ if (preallocate_pxds(mm, pxds) != 0) - goto out_free_pgd; - - if (paravirt_pgd_alloc(mm) != 0) -- goto out_free_pmds; -+ goto out_free_pxds; - - /* - * Make sure that pre-populating the pmds is atomic with -@@ -377,14 +449,14 @@ pgd_t *pgd_alloc(struct mm_struct *mm) - spin_lock(&pgd_lock); - - pgd_ctor(mm, pgd); -- pgd_prepopulate_pmd(mm, pgd, pmds); -+ pgd_prepopulate_pxd(mm, pgd, pxds); - - spin_unlock(&pgd_lock); - - return pgd; - --out_free_pmds: -- free_pmds(mm, pmds); -+out_free_pxds: -+ free_pxds(mm, pxds); - out_free_pgd: - _pgd_free(pgd); - out: -@@ -393,7 +465,7 @@ out: - - void pgd_free(struct mm_struct *mm, pgd_t *pgd) - { -- pgd_mop_up_pmds(mm, pgd); -+ pgd_mop_up_pxds(mm, pgd); - pgd_dtor(pgd); - paravirt_pgd_free(mm, pgd); - _pgd_free(pgd); -diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c -index 75cc097..79a097f 100644 ---- a/arch/x86/mm/pgtable_32.c -+++ b/arch/x86/mm/pgtable_32.c -@@ -47,10 +47,13 @@ void set_pte_vaddr(unsigned long vaddr, pte_t pteval) - return; - } - pte = pte_offset_kernel(pmd, vaddr); -+ -+ pax_open_kernel(); - if (pte_val(pteval)) - set_pte_at(&init_mm, vaddr, pte, pteval); - else - pte_clear(&init_mm, vaddr, pte); -+ pax_close_kernel(); - - /* - * It's enough to flush this one mapping. -diff --git a/arch/x86/mm/physaddr.c b/arch/x86/mm/physaddr.c -index e666cbb..61788c45 100644 ---- a/arch/x86/mm/physaddr.c -+++ b/arch/x86/mm/physaddr.c -@@ -10,7 +10,7 @@ - #ifdef CONFIG_X86_64 - - #ifdef CONFIG_DEBUG_VIRTUAL --unsigned long __phys_addr(unsigned long x) -+unsigned long __intentional_overflow(-1) __phys_addr(unsigned long x) - { - unsigned long y = x - __START_KERNEL_map; - -@@ -67,7 +67,7 @@ EXPORT_SYMBOL(__virt_addr_valid); - #else - - #ifdef CONFIG_DEBUG_VIRTUAL --unsigned long __phys_addr(unsigned long x) -+unsigned long __intentional_overflow(-1) __phys_addr(unsigned long x) - { - unsigned long phys_addr = x - PAGE_OFFSET; - /* VMALLOC_* aren't constants */ -diff --git a/arch/x86/mm/setup_nx.c b/arch/x86/mm/setup_nx.c -index 90555bf..f5f1828 100644 ---- a/arch/x86/mm/setup_nx.c -+++ b/arch/x86/mm/setup_nx.c -@@ -5,8 +5,10 @@ - #include <asm/pgtable.h> - #include <asm/proto.h> - -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - static int disable_nx; - -+#ifndef CONFIG_PAX_PAGEEXEC - /* - * noexec = on|off - * -@@ -28,12 +30,17 @@ static int __init noexec_setup(char *str) - return 0; - } - early_param("noexec", noexec_setup); -+#endif -+ -+#endif - - void x86_configure_nx(void) - { -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - if (cpu_has_nx && !disable_nx) - __supported_pte_mask |= _PAGE_NX; - else -+#endif - __supported_pte_mask &= ~_PAGE_NX; - } - -diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c -index 90b924a..4197ac2 100644 ---- a/arch/x86/mm/tlb.c -+++ b/arch/x86/mm/tlb.c -@@ -45,7 +45,11 @@ void leave_mm(int cpu) - BUG(); - if (cpumask_test_cpu(cpu, mm_cpumask(active_mm))) { - cpumask_clear_cpu(cpu, mm_cpumask(active_mm)); -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - load_cr3(swapper_pg_dir); -+#endif -+ - /* - * This gets called in the idle path where RCU - * functions differently. Tracing normally -diff --git a/arch/x86/mm/uderef_64.c b/arch/x86/mm/uderef_64.c -new file mode 100644 -index 0000000..3fda3f3 ---- /dev/null -+++ b/arch/x86/mm/uderef_64.c -@@ -0,0 +1,37 @@ -+#include <linux/mm.h> -+#include <asm/pgtable.h> -+#include <asm/uaccess.h> -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+/* PaX: due to the special call convention these functions must -+ * - remain leaf functions under all configurations, -+ * - never be called directly, only dereferenced from the wrappers. -+ */ -+void __used __pax_open_userland(void) -+{ -+ unsigned int cpu; -+ -+ if (unlikely(!segment_eq(get_fs(), USER_DS))) -+ return; -+ -+ cpu = raw_get_cpu(); -+ BUG_ON((read_cr3() & ~PAGE_MASK) != PCID_KERNEL); -+ write_cr3(__pa_nodebug(get_cpu_pgd(cpu, user)) | PCID_USER | PCID_NOFLUSH); -+ raw_put_cpu_no_resched(); -+} -+EXPORT_SYMBOL(__pax_open_userland); -+ -+void __used __pax_close_userland(void) -+{ -+ unsigned int cpu; -+ -+ if (unlikely(!segment_eq(get_fs(), USER_DS))) -+ return; -+ -+ cpu = raw_get_cpu(); -+ BUG_ON((read_cr3() & ~PAGE_MASK) != PCID_USER); -+ write_cr3(__pa_nodebug(get_cpu_pgd(cpu, kernel)) | PCID_KERNEL | PCID_NOFLUSH); -+ raw_put_cpu_no_resched(); -+} -+EXPORT_SYMBOL(__pax_close_userland); -+#endif -diff --git a/arch/x86/net/bpf_jit.S b/arch/x86/net/bpf_jit.S -index 6440221..f84b5c7 100644 ---- a/arch/x86/net/bpf_jit.S -+++ b/arch/x86/net/bpf_jit.S -@@ -9,6 +9,7 @@ - */ - #include <linux/linkage.h> - #include <asm/dwarf2.h> -+#include <asm/alternative-asm.h> - - /* - * Calling convention : -@@ -38,6 +39,7 @@ sk_load_word_positive_offset: - jle bpf_slow_path_word - mov (SKBDATA,%rsi),%eax - bswap %eax /* ntohl() */ -+ pax_force_retaddr - ret - - sk_load_half: -@@ -55,6 +57,7 @@ sk_load_half_positive_offset: - jle bpf_slow_path_half - movzwl (SKBDATA,%rsi),%eax - rol $8,%ax # ntohs() -+ pax_force_retaddr - ret - - sk_load_byte: -@@ -69,6 +72,7 @@ sk_load_byte_positive_offset: - cmp %esi,%r9d /* if (offset >= hlen) goto bpf_slow_path_byte */ - jle bpf_slow_path_byte - movzbl (SKBDATA,%rsi),%eax -+ pax_force_retaddr - ret - - /* rsi contains offset and can be scratched */ -@@ -90,6 +94,7 @@ bpf_slow_path_word: - js bpf_error - mov - MAX_BPF_STACK + 32(%rbp),%eax - bswap %eax -+ pax_force_retaddr - ret - - bpf_slow_path_half: -@@ -98,12 +103,14 @@ bpf_slow_path_half: - mov - MAX_BPF_STACK + 32(%rbp),%ax - rol $8,%ax - movzwl %ax,%eax -+ pax_force_retaddr - ret - - bpf_slow_path_byte: - bpf_slow_path_common(1) - js bpf_error - movzbl - MAX_BPF_STACK + 32(%rbp),%eax -+ pax_force_retaddr - ret - - #define sk_negative_common(SIZE) \ -@@ -126,6 +133,7 @@ sk_load_word_negative_offset: - sk_negative_common(4) - mov (%rax), %eax - bswap %eax -+ pax_force_retaddr - ret - - bpf_slow_path_half_neg: -@@ -137,6 +145,7 @@ sk_load_half_negative_offset: - mov (%rax),%ax - rol $8,%ax - movzwl %ax,%eax -+ pax_force_retaddr - ret - - bpf_slow_path_byte_neg: -@@ -146,6 +155,7 @@ sk_load_byte_negative_offset: - .globl sk_load_byte_negative_offset - sk_negative_common(1) - movzbl (%rax), %eax -+ pax_force_retaddr - ret - - bpf_error: -@@ -156,4 +166,5 @@ bpf_error: - mov - MAX_BPF_STACK + 16(%rbp),%r14 - mov - MAX_BPF_STACK + 24(%rbp),%r15 - leaveq -+ pax_force_retaddr - ret -diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c -index ddeff48..877ead6 100644 ---- a/arch/x86/net/bpf_jit_comp.c -+++ b/arch/x86/net/bpf_jit_comp.c -@@ -13,7 +13,11 @@ - #include <linux/if_vlan.h> - #include <asm/cacheflush.h> - -+#ifdef CONFIG_GRKERNSEC_BPF_HARDEN -+int bpf_jit_enable __read_only; -+#else - int bpf_jit_enable __read_mostly; -+#endif - - /* - * assembly code in arch/x86/net/bpf_jit.S -@@ -174,7 +178,9 @@ static u8 add_2reg(u8 byte, u32 dst_reg, u32 src_reg) - static void jit_fill_hole(void *area, unsigned int size) - { - /* fill whole space with int3 instructions */ -+ pax_open_kernel(); - memset(area, 0xcc, size); -+ pax_close_kernel(); - } - - struct jit_context { -@@ -924,7 +930,9 @@ common_load: - pr_err("bpf_jit_compile fatal error\n"); - return -EFAULT; - } -+ pax_open_kernel(); - memcpy(image + proglen, temp, ilen); -+ pax_close_kernel(); - } - proglen += ilen; - addrs[i] = proglen; -@@ -1001,7 +1009,6 @@ void bpf_int_jit_compile(struct bpf_prog *prog) - - if (image) { - bpf_flush_icache(header, image + proglen); -- set_memory_ro((unsigned long)header, header->pages); - prog->bpf_func = (void *)image; - prog->jited = true; - } -@@ -1014,12 +1021,8 @@ void bpf_jit_free(struct bpf_prog *fp) - unsigned long addr = (unsigned long)fp->bpf_func & PAGE_MASK; - struct bpf_binary_header *header = (void *)addr; - -- if (!fp->jited) -- goto free_filter; -+ if (fp->jited) -+ bpf_jit_binary_free(header); - -- set_memory_rw(addr, header->pages); -- bpf_jit_binary_free(header); -- --free_filter: - bpf_prog_unlock_free(fp); - } -diff --git a/arch/x86/oprofile/backtrace.c b/arch/x86/oprofile/backtrace.c -index 4e664bd..2beeaa2 100644 ---- a/arch/x86/oprofile/backtrace.c -+++ b/arch/x86/oprofile/backtrace.c -@@ -46,11 +46,11 @@ dump_user_backtrace_32(struct stack_frame_ia32 *head) - struct stack_frame_ia32 *fp; - unsigned long bytes; - -- bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead)); -+ bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead)); - if (bytes != 0) - return NULL; - -- fp = (struct stack_frame_ia32 *) compat_ptr(bufhead[0].next_frame); -+ fp = (struct stack_frame_ia32 __force_kernel *) compat_ptr(bufhead[0].next_frame); - - oprofile_add_trace(bufhead[0].return_address); - -@@ -92,7 +92,7 @@ static struct stack_frame *dump_user_backtrace(struct stack_frame *head) - struct stack_frame bufhead[2]; - unsigned long bytes; - -- bytes = copy_from_user_nmi(bufhead, head, sizeof(bufhead)); -+ bytes = copy_from_user_nmi(bufhead, (const char __force_user *)head, sizeof(bufhead)); - if (bytes != 0) - return NULL; - -diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c -index 1d2e639..f6ef82a 100644 ---- a/arch/x86/oprofile/nmi_int.c -+++ b/arch/x86/oprofile/nmi_int.c -@@ -23,6 +23,7 @@ - #include <asm/nmi.h> - #include <asm/msr.h> - #include <asm/apic.h> -+#include <asm/pgtable.h> - - #include "op_counter.h" - #include "op_x86_model.h" -@@ -785,8 +786,11 @@ int __init op_nmi_init(struct oprofile_operations *ops) - if (ret) - return ret; - -- if (!model->num_virt_counters) -- model->num_virt_counters = model->num_counters; -+ if (!model->num_virt_counters) { -+ pax_open_kernel(); -+ *(unsigned int *)&model->num_virt_counters = model->num_counters; -+ pax_close_kernel(); -+ } - - mux_init(ops); - -diff --git a/arch/x86/oprofile/op_model_amd.c b/arch/x86/oprofile/op_model_amd.c -index 50d86c0..7985318 100644 ---- a/arch/x86/oprofile/op_model_amd.c -+++ b/arch/x86/oprofile/op_model_amd.c -@@ -519,9 +519,11 @@ static int op_amd_init(struct oprofile_operations *ops) - num_counters = AMD64_NUM_COUNTERS; - } - -- op_amd_spec.num_counters = num_counters; -- op_amd_spec.num_controls = num_counters; -- op_amd_spec.num_virt_counters = max(num_counters, NUM_VIRT_COUNTERS); -+ pax_open_kernel(); -+ *(unsigned int *)&op_amd_spec.num_counters = num_counters; -+ *(unsigned int *)&op_amd_spec.num_controls = num_counters; -+ *(unsigned int *)&op_amd_spec.num_virt_counters = max(num_counters, NUM_VIRT_COUNTERS); -+ pax_close_kernel(); - - return 0; - } -diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c -index d90528e..0127e2b 100644 ---- a/arch/x86/oprofile/op_model_ppro.c -+++ b/arch/x86/oprofile/op_model_ppro.c -@@ -19,6 +19,7 @@ - #include <asm/msr.h> - #include <asm/apic.h> - #include <asm/nmi.h> -+#include <asm/pgtable.h> - - #include "op_x86_model.h" - #include "op_counter.h" -@@ -221,8 +222,10 @@ static void arch_perfmon_setup_counters(void) - - num_counters = min((int)eax.split.num_counters, OP_MAX_COUNTER); - -- op_arch_perfmon_spec.num_counters = num_counters; -- op_arch_perfmon_spec.num_controls = num_counters; -+ pax_open_kernel(); -+ *(unsigned int *)&op_arch_perfmon_spec.num_counters = num_counters; -+ *(unsigned int *)&op_arch_perfmon_spec.num_controls = num_counters; -+ pax_close_kernel(); - } - - static int arch_perfmon_init(struct oprofile_operations *ignore) -diff --git a/arch/x86/oprofile/op_x86_model.h b/arch/x86/oprofile/op_x86_model.h -index 71e8a67..6a313bb 100644 ---- a/arch/x86/oprofile/op_x86_model.h -+++ b/arch/x86/oprofile/op_x86_model.h -@@ -52,7 +52,7 @@ struct op_x86_model_spec { - void (*switch_ctrl)(struct op_x86_model_spec const *model, - struct op_msrs const * const msrs); - #endif --}; -+} __do_const; - - struct op_counter_config; - -diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c -index 852aa4c..71613f2 100644 ---- a/arch/x86/pci/intel_mid_pci.c -+++ b/arch/x86/pci/intel_mid_pci.c -@@ -258,7 +258,7 @@ int __init intel_mid_pci_init(void) - pci_mmcfg_late_init(); - pcibios_enable_irq = intel_mid_pci_irq_enable; - pcibios_disable_irq = intel_mid_pci_irq_disable; -- pci_root_ops = intel_mid_pci_ops; -+ memcpy((void *)&pci_root_ops, &intel_mid_pci_ops, sizeof pci_root_ops); - pci_soc_mode = 1; - /* Continue with standard init */ - return 1; -diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c -index 5dc6ca5..25c03f5 100644 ---- a/arch/x86/pci/irq.c -+++ b/arch/x86/pci/irq.c -@@ -51,7 +51,7 @@ struct irq_router { - struct irq_router_handler { - u16 vendor; - int (*probe)(struct irq_router *r, struct pci_dev *router, u16 device); --}; -+} __do_const; - - int (*pcibios_enable_irq)(struct pci_dev *dev) = pirq_enable_irq; - void (*pcibios_disable_irq)(struct pci_dev *dev) = pirq_disable_irq; -@@ -791,7 +791,7 @@ static __init int pico_router_probe(struct irq_router *r, struct pci_dev *router - return 0; - } - --static __initdata struct irq_router_handler pirq_routers[] = { -+static __initconst const struct irq_router_handler pirq_routers[] = { - { PCI_VENDOR_ID_INTEL, intel_router_probe }, - { PCI_VENDOR_ID_AL, ali_router_probe }, - { PCI_VENDOR_ID_ITE, ite_router_probe }, -@@ -818,7 +818,7 @@ static struct pci_dev *pirq_router_dev; - static void __init pirq_find_router(struct irq_router *r) - { - struct irq_routing_table *rt = pirq_table; -- struct irq_router_handler *h; -+ const struct irq_router_handler *h; - - #ifdef CONFIG_PCI_BIOS - if (!rt->signature) { -@@ -1091,7 +1091,7 @@ static int __init fix_acer_tm360_irqrouting(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata pciirq_dmi_table[] = { -+static const struct dmi_system_id __initconst pciirq_dmi_table[] = { - { - .callback = fix_broken_hp_bios_irq9, - .ident = "HP Pavilion N5400 Series Laptop", -diff --git a/arch/x86/pci/pcbios.c b/arch/x86/pci/pcbios.c -index 9b83b90..2c256c5 100644 ---- a/arch/x86/pci/pcbios.c -+++ b/arch/x86/pci/pcbios.c -@@ -79,7 +79,7 @@ union bios32 { - static struct { - unsigned long address; - unsigned short segment; --} bios32_indirect __initdata = { 0, __KERNEL_CS }; -+} bios32_indirect __initdata = { 0, __PCIBIOS_CS }; - - /* - * Returns the entry point for the given service, NULL on error -@@ -92,37 +92,80 @@ static unsigned long __init bios32_service(unsigned long service) - unsigned long length; /* %ecx */ - unsigned long entry; /* %edx */ - unsigned long flags; -+ struct desc_struct d, *gdt; - - local_irq_save(flags); -- __asm__("lcall *(%%edi); cld" -+ -+ gdt = get_cpu_gdt_table(smp_processor_id()); -+ -+ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x9B, 0xC); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S); -+ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x93, 0xC); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S); -+ -+ __asm__("movw %w7, %%ds; lcall *(%%edi); push %%ss; pop %%ds; cld" - : "=a" (return_code), - "=b" (address), - "=c" (length), - "=d" (entry) - : "0" (service), - "1" (0), -- "D" (&bios32_indirect)); -+ "D" (&bios32_indirect), -+ "r"(__PCIBIOS_DS) -+ : "memory"); -+ -+ pax_open_kernel(); -+ gdt[GDT_ENTRY_PCIBIOS_CS].a = 0; -+ gdt[GDT_ENTRY_PCIBIOS_CS].b = 0; -+ gdt[GDT_ENTRY_PCIBIOS_DS].a = 0; -+ gdt[GDT_ENTRY_PCIBIOS_DS].b = 0; -+ pax_close_kernel(); -+ - local_irq_restore(flags); - - switch (return_code) { -- case 0: -- return address + entry; -- case 0x80: /* Not present */ -- printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service); -- return 0; -- default: /* Shouldn't happen */ -- printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n", -- service, return_code); -+ case 0: { -+ int cpu; -+ unsigned char flags; -+ -+ printk(KERN_INFO "bios32_service: base:%08lx length:%08lx entry:%08lx\n", address, length, entry); -+ if (address >= 0xFFFF0 || length > 0x100000 - address || length <= entry) { -+ printk(KERN_WARNING "bios32_service: not valid\n"); - return 0; -+ } -+ address = address + PAGE_OFFSET; -+ length += 16UL; /* some BIOSs underreport this... */ -+ flags = 4; -+ if (length >= 64*1024*1024) { -+ length >>= PAGE_SHIFT; -+ flags |= 8; -+ } -+ -+ for (cpu = 0; cpu < nr_cpu_ids; cpu++) { -+ gdt = get_cpu_gdt_table(cpu); -+ pack_descriptor(&d, address, length, 0x9b, flags); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S); -+ pack_descriptor(&d, address, length, 0x93, flags); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S); -+ } -+ return entry; -+ } -+ case 0x80: /* Not present */ -+ printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service); -+ return 0; -+ default: /* Shouldn't happen */ -+ printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n", -+ service, return_code); -+ return 0; - } - } - - static struct { - unsigned long address; - unsigned short segment; --} pci_indirect = { 0, __KERNEL_CS }; -+} pci_indirect __read_only = { 0, __PCIBIOS_CS }; - --static int pci_bios_present; -+static int pci_bios_present __read_only; - - static int __init check_pcibios(void) - { -@@ -131,11 +174,13 @@ static int __init check_pcibios(void) - unsigned long flags, pcibios_entry; - - if ((pcibios_entry = bios32_service(PCI_SERVICE))) { -- pci_indirect.address = pcibios_entry + PAGE_OFFSET; -+ pci_indirect.address = pcibios_entry; - - local_irq_save(flags); -- __asm__( -- "lcall *(%%edi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%edi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -144,7 +189,8 @@ static int __init check_pcibios(void) - "=b" (ebx), - "=c" (ecx) - : "1" (PCIBIOS_PCI_BIOS_PRESENT), -- "D" (&pci_indirect) -+ "D" (&pci_indirect), -+ "r" (__PCIBIOS_DS) - : "memory"); - local_irq_restore(flags); - -@@ -189,7 +235,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - - switch (len) { - case 1: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -198,7 +247,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - : "1" (PCIBIOS_READ_CONFIG_BYTE), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - /* - * Zero-extend the result beyond 8 bits, do not trust the - * BIOS having done it: -@@ -206,7 +256,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - *value &= 0xff; - break; - case 2: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -215,7 +268,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - : "1" (PCIBIOS_READ_CONFIG_WORD), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - /* - * Zero-extend the result beyond 16 bits, do not trust the - * BIOS having done it: -@@ -223,7 +277,10 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - *value &= 0xffff; - break; - case 4: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -232,7 +289,8 @@ static int pci_bios_read(unsigned int seg, unsigned int bus, - : "1" (PCIBIOS_READ_CONFIG_DWORD), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - } - -@@ -256,7 +314,10 @@ static int pci_bios_write(unsigned int seg, unsigned int bus, - - switch (len) { - case 1: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -265,10 +326,14 @@ static int pci_bios_write(unsigned int seg, unsigned int bus, - "c" (value), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - case 2: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -277,10 +342,14 @@ static int pci_bios_write(unsigned int seg, unsigned int bus, - "c" (value), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - case 4: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -289,7 +358,8 @@ static int pci_bios_write(unsigned int seg, unsigned int bus, - "c" (value), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - } - -@@ -394,10 +464,13 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void) - - DBG("PCI: Fetching IRQ routing table... "); - __asm__("push %%es\n\t" -+ "movw %w8, %%ds\n\t" - "push %%ds\n\t" - "pop %%es\n\t" -- "lcall *(%%esi); cld\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" - "pop %%es\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -408,7 +481,8 @@ struct irq_routing_table * pcibios_get_irq_routing_table(void) - "1" (0), - "D" ((long) &opt), - "S" (&pci_indirect), -- "m" (opt) -+ "m" (opt), -+ "r" (__PCIBIOS_DS) - : "memory"); - DBG("OK ret=%d, size=%d, map=%x\n", ret, opt.size, map); - if (ret & 0xff00) -@@ -432,7 +506,10 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq) - { - int ret; - -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w5, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -440,7 +517,8 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq) - : "0" (PCIBIOS_SET_PCI_HW_INT), - "b" ((dev->bus->number << 8) | dev->devfn), - "c" ((irq << 8) | (pin + 10)), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - return !(ret & 0xff00); - } - EXPORT_SYMBOL(pcibios_set_irq_routing); -diff --git a/arch/x86/platform/efi/efi_32.c b/arch/x86/platform/efi/efi_32.c -index ed5b673..24d2d53 100644 ---- a/arch/x86/platform/efi/efi_32.c -+++ b/arch/x86/platform/efi/efi_32.c -@@ -61,11 +61,27 @@ pgd_t * __init efi_call_phys_prolog(void) - struct desc_ptr gdt_descr; - pgd_t *save_pgd; - -+#ifdef CONFIG_PAX_KERNEXEC -+ struct desc_struct d; -+#endif -+ - /* Current pgd is swapper_pg_dir, we'll restore it later: */ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ save_pgd = get_cpu_pgd(smp_processor_id(), kernel); -+#else - save_pgd = swapper_pg_dir; -+#endif -+ - load_cr3(initial_page_table); - __flush_tlb_all(); - -+#ifdef CONFIG_PAX_KERNEXEC -+ pack_descriptor(&d, 0, 0xFFFFF, 0x9B, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S); -+ pack_descriptor(&d, 0, 0xFFFFF, 0x93, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S); -+#endif -+ - gdt_descr.address = __pa(get_cpu_gdt_table(0)); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); -@@ -77,6 +93,14 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd) - { - struct desc_ptr gdt_descr; - -+#ifdef CONFIG_PAX_KERNEXEC -+ struct desc_struct d; -+ -+ memset(&d, 0, sizeof d); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_CS, &d, DESCTYPE_S); -+ write_gdt_entry(get_cpu_gdt_table(0), GDT_ENTRY_KERNEXEC_EFI_DS, &d, DESCTYPE_S); -+#endif -+ - gdt_descr.address = (unsigned long)get_cpu_gdt_table(0); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); -diff --git a/arch/x86/platform/efi/efi_64.c b/arch/x86/platform/efi/efi_64.c -index a0ac0f9..f41d324 100644 ---- a/arch/x86/platform/efi/efi_64.c -+++ b/arch/x86/platform/efi/efi_64.c -@@ -96,6 +96,11 @@ pgd_t * __init efi_call_phys_prolog(void) - vaddress = (unsigned long)__va(pgd * PGDIR_SIZE); - set_pgd(pgd_offset_k(pgd * PGDIR_SIZE), *pgd_offset_k(vaddress)); - } -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ load_cr3(swapper_pg_dir); -+#endif -+ - __flush_tlb_all(); - - return save_pgd; -@@ -119,6 +124,10 @@ void __init efi_call_phys_epilog(pgd_t *save_pgd) - - kfree(save_pgd); - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ load_cr3(get_cpu_pgd(smp_processor_id(), kernel)); -+#endif -+ - __flush_tlb_all(); - early_code_mapping_set_exec(0); - } -@@ -148,8 +157,23 @@ int __init efi_setup_page_tables(unsigned long pa_memmap, unsigned num_pages) - unsigned npages; - pgd_t *pgd; - -- if (efi_enabled(EFI_OLD_MEMMAP)) -+ if (efi_enabled(EFI_OLD_MEMMAP)) { -+ /* PaX: We need to disable the NX bit in the PGD, otherwise we won't be -+ * able to execute the EFI services. -+ */ -+ if (__supported_pte_mask & _PAGE_NX) { -+ unsigned long addr = (unsigned long) __va(0); -+ pgd_t pe = __pgd(pgd_val(*pgd_offset_k(addr)) & ~_PAGE_NX); -+ -+ pr_alert("PAX: Disabling NX protection for low memory map. Try booting without "efi=old_map"\n"); -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ set_pgd(pgd_offset_cpu(0, kernel, addr), pe); -+#endif -+ set_pgd(pgd_offset_k(addr), pe); -+ } -+ - return 0; -+ } - - efi_scratch.efi_pgt = (pgd_t *)(unsigned long)real_mode_header->trampoline_pgd; - pgd = __va(efi_scratch.efi_pgt); -diff --git a/arch/x86/platform/efi/efi_stub_32.S b/arch/x86/platform/efi/efi_stub_32.S -index 040192b..7d3300f 100644 ---- a/arch/x86/platform/efi/efi_stub_32.S -+++ b/arch/x86/platform/efi/efi_stub_32.S -@@ -6,7 +6,9 @@ - */ - - #include <linux/linkage.h> -+#include <linux/init.h> - #include <asm/page_types.h> -+#include <asm/segment.h> - - /* - * efi_call_phys(void *, ...) is a function with variable parameters. -@@ -20,7 +22,7 @@ - * service functions will comply with gcc calling convention, too. - */ - --.text -+__INIT - ENTRY(efi_call_phys) - /* - * 0. The function can only be called in Linux kernel. So CS has been -@@ -36,10 +38,24 @@ ENTRY(efi_call_phys) - * The mapping of lower virtual memory has been created in prolog and - * epilog. - */ -- movl $1f, %edx -- subl $__PAGE_OFFSET, %edx -- jmp *%edx -+#ifdef CONFIG_PAX_KERNEXEC -+ movl $(__KERNEXEC_EFI_DS), %edx -+ mov %edx, %ds -+ mov %edx, %es -+ mov %edx, %ss -+ addl $2f,(1f) -+ ljmp *(1f) -+ -+__INITDATA -+1: .long __LOAD_PHYSICAL_ADDR, __KERNEXEC_EFI_CS -+.previous -+ -+2: -+ subl $2b,(1b) -+#else -+ jmp 1f-__PAGE_OFFSET - 1: -+#endif - - /* - * 2. Now on the top of stack is the return -@@ -47,14 +63,8 @@ ENTRY(efi_call_phys) - * parameter 2, ..., param n. To make things easy, we save the return - * address of efi_call_phys in a global variable. - */ -- popl %edx -- movl %edx, saved_return_addr -- /* get the function pointer into ECX*/ -- popl %ecx -- movl %ecx, efi_rt_function_ptr -- movl $2f, %edx -- subl $__PAGE_OFFSET, %edx -- pushl %edx -+ popl (saved_return_addr) -+ popl (efi_rt_function_ptr) - - /* - * 3. Clear PG bit in %CR0. -@@ -73,9 +83,8 @@ ENTRY(efi_call_phys) - /* - * 5. Call the physical function. - */ -- jmp *%ecx -+ call *(efi_rt_function_ptr-__PAGE_OFFSET) - --2: - /* - * 6. After EFI runtime service returns, control will return to - * following instruction. We'd better readjust stack pointer first. -@@ -88,35 +97,36 @@ ENTRY(efi_call_phys) - movl %cr0, %edx - orl $0x80000000, %edx - movl %edx, %cr0 -- jmp 1f --1: -+ - /* - * 8. Now restore the virtual mode from flat mode by - * adding EIP with PAGE_OFFSET. - */ -- movl $1f, %edx -- jmp *%edx -+#ifdef CONFIG_PAX_KERNEXEC -+ movl $(__KERNEL_DS), %edx -+ mov %edx, %ds -+ mov %edx, %es -+ mov %edx, %ss -+ ljmp $(__KERNEL_CS),$1f -+#else -+ jmp 1f+__PAGE_OFFSET -+#endif - 1: - - /* - * 9. Balance the stack. And because EAX contain the return value, - * we'd better not clobber it. - */ -- leal efi_rt_function_ptr, %edx -- movl (%edx), %ecx -- pushl %ecx -+ pushl (efi_rt_function_ptr) - - /* -- * 10. Push the saved return address onto the stack and return. -+ * 10. Return to the saved return address. - */ -- leal saved_return_addr, %edx -- movl (%edx), %ecx -- pushl %ecx -- ret -+ jmpl *(saved_return_addr) - ENDPROC(efi_call_phys) - .previous - --.data -+__INITDATA - saved_return_addr: - .long 0 - efi_rt_function_ptr: -diff --git a/arch/x86/platform/efi/efi_stub_64.S b/arch/x86/platform/efi/efi_stub_64.S -index 86d0f9e..6d499f4 100644 ---- a/arch/x86/platform/efi/efi_stub_64.S -+++ b/arch/x86/platform/efi/efi_stub_64.S -@@ -11,6 +11,7 @@ - #include <asm/msr.h> - #include <asm/processor-flags.h> - #include <asm/page_types.h> -+#include <asm/alternative-asm.h> - - #define SAVE_XMM \ - mov %rsp, %rax; \ -@@ -88,6 +89,7 @@ ENTRY(efi_call) - RESTORE_PGT - addq $48, %rsp - RESTORE_XMM -+ pax_force_retaddr 0, 1 - ret - ENDPROC(efi_call) - -diff --git a/arch/x86/platform/intel-mid/intel-mid.c b/arch/x86/platform/intel-mid/intel-mid.c -index 3005f0c..d06aeb0 100644 ---- a/arch/x86/platform/intel-mid/intel-mid.c -+++ b/arch/x86/platform/intel-mid/intel-mid.c -@@ -63,7 +63,7 @@ enum intel_mid_timer_options intel_mid_timer_options; - /* intel_mid_ops to store sub arch ops */ - struct intel_mid_ops *intel_mid_ops; - /* getter function for sub arch ops*/ --static void *(*get_intel_mid_ops[])(void) = INTEL_MID_OPS_INIT; -+static const void *(*get_intel_mid_ops[])(void) = INTEL_MID_OPS_INIT; - enum intel_mid_cpu_type __intel_mid_cpu_chip; - EXPORT_SYMBOL_GPL(__intel_mid_cpu_chip); - -@@ -71,9 +71,10 @@ static void intel_mid_power_off(void) - { - }; - --static void intel_mid_reboot(void) -+static void __noreturn intel_mid_reboot(void) - { - intel_scu_ipc_simple_command(IPCMSG_COLD_BOOT, 0); -+ BUG(); - } - - static unsigned long __init intel_mid_calibrate_tsc(void) -diff --git a/arch/x86/platform/intel-mid/intel_mid_weak_decls.h b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h -index 3c1c386..59a68ed 100644 ---- a/arch/x86/platform/intel-mid/intel_mid_weak_decls.h -+++ b/arch/x86/platform/intel-mid/intel_mid_weak_decls.h -@@ -13,6 +13,6 @@ - /* For every CPU addition a new get_<cpuname>_ops interface needs - * to be added. - */ --extern void *get_penwell_ops(void); --extern void *get_cloverview_ops(void); --extern void *get_tangier_ops(void); -+extern const void *get_penwell_ops(void); -+extern const void *get_cloverview_ops(void); -+extern const void *get_tangier_ops(void); -diff --git a/arch/x86/platform/intel-mid/mfld.c b/arch/x86/platform/intel-mid/mfld.c -index 23381d2..8ddc10e 100644 ---- a/arch/x86/platform/intel-mid/mfld.c -+++ b/arch/x86/platform/intel-mid/mfld.c -@@ -64,12 +64,12 @@ static void __init penwell_arch_setup(void) - pm_power_off = mfld_power_off; - } - --void *get_penwell_ops(void) -+const void *get_penwell_ops(void) - { - return &penwell_ops; - } - --void *get_cloverview_ops(void) -+const void *get_cloverview_ops(void) - { - return &penwell_ops; - } -diff --git a/arch/x86/platform/intel-mid/mrfl.c b/arch/x86/platform/intel-mid/mrfl.c -index aaca917..66eadbc 100644 ---- a/arch/x86/platform/intel-mid/mrfl.c -+++ b/arch/x86/platform/intel-mid/mrfl.c -@@ -97,7 +97,7 @@ static struct intel_mid_ops tangier_ops = { - .arch_setup = tangier_arch_setup, - }; - --void *get_tangier_ops(void) -+const void *get_tangier_ops(void) - { - return &tangier_ops; - } -diff --git a/arch/x86/platform/intel-quark/imr_selftest.c b/arch/x86/platform/intel-quark/imr_selftest.c -index 278e4da..55e8d8a 100644 ---- a/arch/x86/platform/intel-quark/imr_selftest.c -+++ b/arch/x86/platform/intel-quark/imr_selftest.c -@@ -55,7 +55,7 @@ static void __init imr_self_test_result(int res, const char *fmt, ...) - */ - static void __init imr_self_test(void) - { -- phys_addr_t base = virt_to_phys(&_text); -+ phys_addr_t base = virt_to_phys(ktla_ktva(_text)); - size_t size = virt_to_phys(&__end_rodata) - base; - const char *fmt_over = "overlapped IMR @ (0x%08lx - 0x%08lx)\n"; - int ret; -diff --git a/arch/x86/platform/olpc/olpc_dt.c b/arch/x86/platform/olpc/olpc_dt.c -index d6ee929..3637cb5 100644 ---- a/arch/x86/platform/olpc/olpc_dt.c -+++ b/arch/x86/platform/olpc/olpc_dt.c -@@ -156,7 +156,7 @@ void * __init prom_early_alloc(unsigned long size) - return res; - } - --static struct of_pdt_ops prom_olpc_ops __initdata = { -+static struct of_pdt_ops prom_olpc_ops __initconst = { - .nextprop = olpc_dt_nextprop, - .getproplen = olpc_dt_getproplen, - .getproperty = olpc_dt_getproperty, -diff --git a/arch/x86/power/cpu.c b/arch/x86/power/cpu.c -index 757678f..9895d9b 100644 ---- a/arch/x86/power/cpu.c -+++ b/arch/x86/power/cpu.c -@@ -134,11 +134,8 @@ static void do_fpu_end(void) - static void fix_processor_context(void) - { - int cpu = smp_processor_id(); -- struct tss_struct *t = &per_cpu(cpu_tss, cpu); --#ifdef CONFIG_X86_64 -- struct desc_struct *desc = get_cpu_gdt_table(cpu); -- tss_desc tss; --#endif -+ struct tss_struct *t = cpu_tss + cpu; -+ - set_tss_desc(cpu, t); /* - * This just modifies memory; should not be - * necessary. But... This is necessary, because -@@ -147,10 +144,6 @@ static void fix_processor_context(void) - */ - - #ifdef CONFIG_X86_64 -- memcpy(&tss, &desc[GDT_ENTRY_TSS], sizeof(tss_desc)); -- tss.type = 0x9; /* The available 64-bit TSS (see AMD vol 2, pg 91 */ -- write_gdt_entry(desc, GDT_ENTRY_TSS, &tss, DESC_TSS); -- - syscall_init(); /* This sets MSR_*STAR and related */ - #endif - load_TR_desc(); /* This does ltr */ -diff --git a/arch/x86/realmode/init.c b/arch/x86/realmode/init.c -index 0b7a63d..0d0f2c2 100644 ---- a/arch/x86/realmode/init.c -+++ b/arch/x86/realmode/init.c -@@ -68,7 +68,13 @@ void __init setup_real_mode(void) - __va(real_mode_header->trampoline_header); - - #ifdef CONFIG_X86_32 -- trampoline_header->start = __pa_symbol(startup_32_smp); -+ trampoline_header->start = __pa_symbol(ktla_ktva(startup_32_smp)); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ trampoline_header->start -= LOAD_PHYSICAL_ADDR; -+#endif -+ -+ trampoline_header->boot_cs = __BOOT_CS; - trampoline_header->gdt_limit = __BOOT_DS + 7; - trampoline_header->gdt_base = __pa_symbol(boot_gdt); - #else -@@ -84,7 +90,7 @@ void __init setup_real_mode(void) - *trampoline_cr4_features = __read_cr4(); - - trampoline_pgd = (u64 *) __va(real_mode_header->trampoline_pgd); -- trampoline_pgd[0] = init_level4_pgt[pgd_index(__PAGE_OFFSET)].pgd; -+ trampoline_pgd[0] = init_level4_pgt[pgd_index(__PAGE_OFFSET)].pgd & ~_PAGE_NX; - trampoline_pgd[511] = init_level4_pgt[511].pgd; - #endif - } -diff --git a/arch/x86/realmode/rm/Makefile b/arch/x86/realmode/rm/Makefile -index 2730d77..2e4cd19 100644 ---- a/arch/x86/realmode/rm/Makefile -+++ b/arch/x86/realmode/rm/Makefile -@@ -68,5 +68,8 @@ $(obj)/realmode.relocs: $(obj)/realmode.elf FORCE - - KBUILD_CFLAGS := $(LINUXINCLUDE) $(REALMODE_CFLAGS) -D_SETUP -D_WAKEUP \ - -I$(srctree)/arch/x86/boot -+ifdef CONSTIFY_PLUGIN -+KBUILD_CFLAGS += -fplugin-arg-constify_plugin-no-constify -+endif - KBUILD_AFLAGS := $(KBUILD_CFLAGS) -D__ASSEMBLY__ - GCOV_PROFILE := n -diff --git a/arch/x86/realmode/rm/header.S b/arch/x86/realmode/rm/header.S -index a28221d..93c40f1 100644 ---- a/arch/x86/realmode/rm/header.S -+++ b/arch/x86/realmode/rm/header.S -@@ -30,7 +30,9 @@ GLOBAL(real_mode_header) - #endif - /* APM/BIOS reboot */ - .long pa_machine_real_restart_asm --#ifdef CONFIG_X86_64 -+#ifdef CONFIG_X86_32 -+ .long __KERNEL_CS -+#else - .long __KERNEL32_CS - #endif - END(real_mode_header) -diff --git a/arch/x86/realmode/rm/reboot.S b/arch/x86/realmode/rm/reboot.S -index d66c607..3def845 100644 ---- a/arch/x86/realmode/rm/reboot.S -+++ b/arch/x86/realmode/rm/reboot.S -@@ -27,6 +27,10 @@ ENTRY(machine_real_restart_asm) - lgdtl pa_tr_gdt - - /* Disable paging to drop us out of long mode */ -+ movl %cr4, %eax -+ andl $~X86_CR4_PCIDE, %eax -+ movl %eax, %cr4 -+ - movl %cr0, %eax - andl $~X86_CR0_PG, %eax - movl %eax, %cr0 -diff --git a/arch/x86/realmode/rm/trampoline_32.S b/arch/x86/realmode/rm/trampoline_32.S -index 48ddd76..c26749f 100644 ---- a/arch/x86/realmode/rm/trampoline_32.S -+++ b/arch/x86/realmode/rm/trampoline_32.S -@@ -24,6 +24,12 @@ - #include <asm/page_types.h> - #include "realmode.h" - -+#ifdef CONFIG_PAX_KERNEXEC -+#define ta(X) (X) -+#else -+#define ta(X) (pa_ ## X) -+#endif -+ - .text - .code16 - -@@ -38,8 +44,6 @@ ENTRY(trampoline_start) - - cli # We should be safe anyway - -- movl tr_start, %eax # where we need to go -- - movl $0xA5A5A5A5, trampoline_status - # write marker for master knows we're running - -@@ -55,7 +59,7 @@ ENTRY(trampoline_start) - movw $1, %dx # protected mode (PE) bit - lmsw %dx # into protected mode - -- ljmpl $__BOOT_CS, $pa_startup_32 -+ ljmpl *(trampoline_header) - - .section ".text32","ax" - .code32 -@@ -66,7 +70,7 @@ ENTRY(startup_32) # note: also used from wakeup_asm.S - .balign 8 - GLOBAL(trampoline_header) - tr_start: .space 4 -- tr_gdt_pad: .space 2 -+ tr_boot_cs: .space 2 - tr_gdt: .space 6 - END(trampoline_header) - -diff --git a/arch/x86/realmode/rm/trampoline_64.S b/arch/x86/realmode/rm/trampoline_64.S -index dac7b20..72dbaca 100644 ---- a/arch/x86/realmode/rm/trampoline_64.S -+++ b/arch/x86/realmode/rm/trampoline_64.S -@@ -93,6 +93,7 @@ ENTRY(startup_32) - movl %edx, %gs - - movl pa_tr_cr4, %eax -+ andl $~X86_CR4_PCIDE, %eax - movl %eax, %cr4 # Enable PAE mode - - # Setup trampoline 4 level pagetables -@@ -106,7 +107,7 @@ ENTRY(startup_32) - wrmsr - - # Enable paging and in turn activate Long Mode -- movl $(X86_CR0_PG | X86_CR0_WP | X86_CR0_PE), %eax -+ movl $(X86_CR0_PG | X86_CR0_PE), %eax - movl %eax, %cr0 - - /* -diff --git a/arch/x86/realmode/rm/wakeup_asm.S b/arch/x86/realmode/rm/wakeup_asm.S -index 9e7e147..25a4158 100644 ---- a/arch/x86/realmode/rm/wakeup_asm.S -+++ b/arch/x86/realmode/rm/wakeup_asm.S -@@ -126,11 +126,10 @@ ENTRY(wakeup_start) - lgdtl pmode_gdt - - /* This really couldn't... */ -- movl pmode_entry, %eax - movl pmode_cr0, %ecx - movl %ecx, %cr0 -- ljmpl $__KERNEL_CS, $pa_startup_32 -- /* -> jmp *%eax in trampoline_32.S */ -+ -+ ljmpl *pmode_entry - #else - jmp trampoline_start - #endif -diff --git a/arch/x86/tools/Makefile b/arch/x86/tools/Makefile -index 604a37e..e49702a 100644 ---- a/arch/x86/tools/Makefile -+++ b/arch/x86/tools/Makefile -@@ -37,7 +37,7 @@ $(obj)/test_get_len.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/in - - $(obj)/insn_sanity.o: $(srctree)/arch/x86/lib/insn.c $(srctree)/arch/x86/lib/inat.c $(srctree)/arch/x86/include/asm/inat_types.h $(srctree)/arch/x86/include/asm/inat.h $(srctree)/arch/x86/include/asm/insn.h $(objtree)/arch/x86/lib/inat-tables.c - --HOST_EXTRACFLAGS += -I$(srctree)/tools/include -+HOST_EXTRACFLAGS += -I$(srctree)/tools/include -ggdb - hostprogs-y += relocs - relocs-objs := relocs_32.o relocs_64.o relocs_common.o - PHONY += relocs -diff --git a/arch/x86/tools/relocs.c b/arch/x86/tools/relocs.c -index 0c2fae8..88036b7 100644 ---- a/arch/x86/tools/relocs.c -+++ b/arch/x86/tools/relocs.c -@@ -1,5 +1,7 @@ - /* This is included from relocs_32/64.c */ - -+#include "../../../include/generated/autoconf.h" -+ - #define ElfW(type) _ElfW(ELF_BITS, type) - #define _ElfW(bits, type) __ElfW(bits, type) - #define __ElfW(bits, type) Elf##bits##_##type -@@ -11,6 +13,7 @@ - #define Elf_Sym ElfW(Sym) - - static Elf_Ehdr ehdr; -+static Elf_Phdr *phdr; - - struct relocs { - uint32_t *offset; -@@ -386,9 +389,39 @@ static void read_ehdr(FILE *fp) - } - } - -+static void read_phdrs(FILE *fp) -+{ -+ unsigned int i; -+ -+ phdr = calloc(ehdr.e_phnum, sizeof(Elf_Phdr)); -+ if (!phdr) { -+ die("Unable to allocate %d program headers\n", -+ ehdr.e_phnum); -+ } -+ if (fseek(fp, ehdr.e_phoff, SEEK_SET) < 0) { -+ die("Seek to %d failed: %s\n", -+ ehdr.e_phoff, strerror(errno)); -+ } -+ if (fread(phdr, sizeof(*phdr), ehdr.e_phnum, fp) != ehdr.e_phnum) { -+ die("Cannot read ELF program headers: %s\n", -+ strerror(errno)); -+ } -+ for(i = 0; i < ehdr.e_phnum; i++) { -+ phdr[i].p_type = elf_word_to_cpu(phdr[i].p_type); -+ phdr[i].p_offset = elf_off_to_cpu(phdr[i].p_offset); -+ phdr[i].p_vaddr = elf_addr_to_cpu(phdr[i].p_vaddr); -+ phdr[i].p_paddr = elf_addr_to_cpu(phdr[i].p_paddr); -+ phdr[i].p_filesz = elf_word_to_cpu(phdr[i].p_filesz); -+ phdr[i].p_memsz = elf_word_to_cpu(phdr[i].p_memsz); -+ phdr[i].p_flags = elf_word_to_cpu(phdr[i].p_flags); -+ phdr[i].p_align = elf_word_to_cpu(phdr[i].p_align); -+ } -+ -+} -+ - static void read_shdrs(FILE *fp) - { -- int i; -+ unsigned int i; - Elf_Shdr shdr; - - secs = calloc(ehdr.e_shnum, sizeof(struct section)); -@@ -423,7 +456,7 @@ static void read_shdrs(FILE *fp) - - static void read_strtabs(FILE *fp) - { -- int i; -+ unsigned int i; - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_STRTAB) { -@@ -448,7 +481,7 @@ static void read_strtabs(FILE *fp) - - static void read_symtabs(FILE *fp) - { -- int i,j; -+ unsigned int i,j; - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_SYMTAB) { -@@ -479,9 +512,11 @@ static void read_symtabs(FILE *fp) - } - - --static void read_relocs(FILE *fp) -+static void read_relocs(FILE *fp, int use_real_mode) - { -- int i,j; -+ unsigned int i,j; -+ uint32_t base; -+ - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_REL_TYPE) { -@@ -501,9 +536,22 @@ static void read_relocs(FILE *fp) - die("Cannot read symbol table: %s\n", - strerror(errno)); - } -+ base = 0; -+ -+#ifdef CONFIG_X86_32 -+ for (j = 0; !use_real_mode && j < ehdr.e_phnum; j++) { -+ if (phdr[j].p_type != PT_LOAD ) -+ continue; -+ if (secs[sec->shdr.sh_info].shdr.sh_offset < phdr[j].p_offset || secs[sec->shdr.sh_info].shdr.sh_offset >= phdr[j].p_offset + phdr[j].p_filesz) -+ continue; -+ base = CONFIG_PAGE_OFFSET + phdr[j].p_paddr - phdr[j].p_vaddr; -+ break; -+ } -+#endif -+ - for (j = 0; j < sec->shdr.sh_size/sizeof(Elf_Rel); j++) { - Elf_Rel *rel = &sec->reltab[j]; -- rel->r_offset = elf_addr_to_cpu(rel->r_offset); -+ rel->r_offset = elf_addr_to_cpu(rel->r_offset) + base; - rel->r_info = elf_xword_to_cpu(rel->r_info); - #if (SHT_REL_TYPE == SHT_RELA) - rel->r_addend = elf_xword_to_cpu(rel->r_addend); -@@ -515,7 +563,7 @@ static void read_relocs(FILE *fp) - - static void print_absolute_symbols(void) - { -- int i; -+ unsigned int i; - const char *format; - - if (ELF_BITS == 64) -@@ -528,7 +576,7 @@ static void print_absolute_symbols(void) - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - char *sym_strtab; -- int j; -+ unsigned int j; - - if (sec->shdr.sh_type != SHT_SYMTAB) { - continue; -@@ -555,7 +603,7 @@ static void print_absolute_symbols(void) - - static void print_absolute_relocs(void) - { -- int i, printed = 0; -+ unsigned int i, printed = 0; - const char *format; - - if (ELF_BITS == 64) -@@ -568,7 +616,7 @@ static void print_absolute_relocs(void) - struct section *sec_applies, *sec_symtab; - char *sym_strtab; - Elf_Sym *sh_symtab; -- int j; -+ unsigned int j; - if (sec->shdr.sh_type != SHT_REL_TYPE) { - continue; - } -@@ -645,13 +693,13 @@ static void add_reloc(struct relocs *r, uint32_t offset) - static void walk_relocs(int (*process)(struct section *sec, Elf_Rel *rel, - Elf_Sym *sym, const char *symname)) - { -- int i; -+ unsigned int i; - /* Walk through the relocations */ - for (i = 0; i < ehdr.e_shnum; i++) { - char *sym_strtab; - Elf_Sym *sh_symtab; - struct section *sec_applies, *sec_symtab; -- int j; -+ unsigned int j; - struct section *sec = &secs[i]; - - if (sec->shdr.sh_type != SHT_REL_TYPE) { -@@ -830,6 +878,23 @@ static int do_reloc32(struct section *sec, Elf_Rel *rel, Elf_Sym *sym, - { - unsigned r_type = ELF32_R_TYPE(rel->r_info); - int shn_abs = (sym->st_shndx == SHN_ABS) && !is_reloc(S_REL, symname); -+ char *sym_strtab = sec->link->link->strtab; -+ -+ /* Don't relocate actual per-cpu variables, they are absolute indices, not addresses */ -+ if (!strcmp(sec_name(sym->st_shndx), ".data..percpu") && strcmp(sym_name(sym_strtab, sym), "__per_cpu_load")) -+ return 0; -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ /* Don't relocate actual code, they are relocated implicitly by the base address of KERNEL_CS */ -+ if (!strcmp(sec_name(sym->st_shndx), ".text.end") && !strcmp(sym_name(sym_strtab, sym), "_etext")) -+ return 0; -+ if (!strcmp(sec_name(sym->st_shndx), ".init.text")) -+ return 0; -+ if (!strcmp(sec_name(sym->st_shndx), ".exit.text")) -+ return 0; -+ if (!strcmp(sec_name(sym->st_shndx), ".text") && strcmp(sym_name(sym_strtab, sym), "__LOAD_PHYSICAL_ADDR")) -+ return 0; -+#endif - - switch (r_type) { - case R_386_NONE: -@@ -968,7 +1033,7 @@ static int write32_as_text(uint32_t v, FILE *f) - - static void emit_relocs(int as_text, int use_real_mode) - { -- int i; -+ unsigned int i; - int (*write_reloc)(uint32_t, FILE *) = write32; - int (*do_reloc)(struct section *sec, Elf_Rel *rel, Elf_Sym *sym, - const char *symname); -@@ -1078,10 +1143,11 @@ void process(FILE *fp, int use_real_mode, int as_text, - { - regex_init(use_real_mode); - read_ehdr(fp); -+ read_phdrs(fp); - read_shdrs(fp); - read_strtabs(fp); - read_symtabs(fp); -- read_relocs(fp); -+ read_relocs(fp, use_real_mode); - if (ELF_BITS == 64) - percpu_init(); - if (show_absolute_syms) { -diff --git a/arch/x86/um/mem_32.c b/arch/x86/um/mem_32.c -index f40281e..92728c9 100644 ---- a/arch/x86/um/mem_32.c -+++ b/arch/x86/um/mem_32.c -@@ -21,7 +21,7 @@ static int __init gate_vma_init(void) - gate_vma.vm_start = FIXADDR_USER_START; - gate_vma.vm_end = FIXADDR_USER_END; - gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC; -- gate_vma.vm_page_prot = __P101; -+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags); - - return 0; - } -diff --git a/arch/x86/um/tls_32.c b/arch/x86/um/tls_32.c -index 80ffa5b..a33bd15 100644 ---- a/arch/x86/um/tls_32.c -+++ b/arch/x86/um/tls_32.c -@@ -260,7 +260,7 @@ out: - if (unlikely(task == current && - !t->arch.tls_array[idx - GDT_ENTRY_TLS_MIN].flushed)) { - printk(KERN_ERR "get_tls_entry: task with pid %d got here " -- "without flushed TLS.", current->pid); -+ "without flushed TLS.", task_pid_nr(current)); - } - - return 0; -diff --git a/arch/x86/vdso/Makefile b/arch/x86/vdso/Makefile -index e970320..c006fea 100644 ---- a/arch/x86/vdso/Makefile -+++ b/arch/x86/vdso/Makefile -@@ -175,7 +175,7 @@ quiet_cmd_vdso = VDSO $@ - -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \ - sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@' - --VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) \ -+VDSO_LDFLAGS = -fPIC -shared -Wl,--no-undefined $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) \ - $(call cc-ldoption, -Wl$(comma)--build-id) -Wl,-Bsymbolic $(LTO_CFLAGS) - GCOV_PROFILE := n - -diff --git a/arch/x86/vdso/vdso2c.h b/arch/x86/vdso/vdso2c.h -index 0224987..c7d65a5 100644 ---- a/arch/x86/vdso/vdso2c.h -+++ b/arch/x86/vdso/vdso2c.h -@@ -12,7 +12,7 @@ static void BITSFUNC(go)(void *raw_addr, size_t raw_len, - unsigned long load_size = -1; /* Work around bogus warning */ - unsigned long mapping_size; - ELF(Ehdr) *hdr = (ELF(Ehdr) *)raw_addr; -- int i; -+ unsigned int i; - unsigned long j; - ELF(Shdr) *symtab_hdr = NULL, *strtab_hdr, *secstrings_hdr, - *alt_sec = NULL; -diff --git a/arch/x86/vdso/vdso32-setup.c b/arch/x86/vdso/vdso32-setup.c -index e904c27..b9eaa03 100644 ---- a/arch/x86/vdso/vdso32-setup.c -+++ b/arch/x86/vdso/vdso32-setup.c -@@ -14,6 +14,7 @@ - #include <asm/cpufeature.h> - #include <asm/processor.h> - #include <asm/vdso.h> -+#include <asm/mman.h> - - #ifdef CONFIG_COMPAT_VDSO - #define VDSO_DEFAULT 0 -diff --git a/arch/x86/vdso/vma.c b/arch/x86/vdso/vma.c -index 1c9f750..cfddb1a 100644 ---- a/arch/x86/vdso/vma.c -+++ b/arch/x86/vdso/vma.c -@@ -19,10 +19,7 @@ - #include <asm/page.h> - #include <asm/hpet.h> - #include <asm/desc.h> -- --#if defined(CONFIG_X86_64) --unsigned int __read_mostly vdso64_enabled = 1; --#endif -+#include <asm/mman.h> - - void __init init_vdso_image(const struct vdso_image *image) - { -@@ -101,6 +98,11 @@ static int map_vdso(const struct vdso_image *image, bool calculate_addr) - .pages = no_pages, - }; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ calculate_addr = false; -+#endif -+ - if (calculate_addr) { - addr = vdso_addr(current->mm->start_stack, - image->size - image->sym_vvar_start); -@@ -111,14 +113,14 @@ static int map_vdso(const struct vdso_image *image, bool calculate_addr) - down_write(&mm->mmap_sem); - - addr = get_unmapped_area(NULL, addr, -- image->size - image->sym_vvar_start, 0, 0); -+ image->size - image->sym_vvar_start, 0, MAP_EXECUTABLE); - if (IS_ERR_VALUE(addr)) { - ret = addr; - goto up_fail; - } - - text_start = addr - image->sym_vvar_start; -- current->mm->context.vdso = (void __user *)text_start; -+ mm->context.vdso = text_start; - - /* - * MAYWRITE to allow gdb to COW and set breakpoints -@@ -163,15 +165,12 @@ static int map_vdso(const struct vdso_image *image, bool calculate_addr) - hpet_address >> PAGE_SHIFT, - PAGE_SIZE, - pgprot_noncached(PAGE_READONLY)); -- -- if (ret) -- goto up_fail; - } - #endif - - up_fail: - if (ret) -- current->mm->context.vdso = NULL; -+ current->mm->context.vdso = 0; - - up_write(&mm->mmap_sem); - return ret; -@@ -191,8 +190,8 @@ static int load_vdso32(void) - - if (selected_vdso32->sym_VDSO32_SYSENTER_RETURN) - current_thread_info()->sysenter_return = -- current->mm->context.vdso + -- selected_vdso32->sym_VDSO32_SYSENTER_RETURN; -+ (void __force_user *)(current->mm->context.vdso + -+ selected_vdso32->sym_VDSO32_SYSENTER_RETURN); - - return 0; - } -@@ -201,9 +200,6 @@ static int load_vdso32(void) - #ifdef CONFIG_X86_64 - int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - { -- if (!vdso64_enabled) -- return 0; -- - return map_vdso(&vdso_image_64, true); - } - -@@ -212,12 +208,8 @@ int compat_arch_setup_additional_pages(struct linux_binprm *bprm, - int uses_interp) - { - #ifdef CONFIG_X86_X32_ABI -- if (test_thread_flag(TIF_X32)) { -- if (!vdso64_enabled) -- return 0; -- -+ if (test_thread_flag(TIF_X32)) - return map_vdso(&vdso_image_x32, true); -- } - #endif - - return load_vdso32(); -@@ -231,15 +223,6 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) - #endif - - #ifdef CONFIG_X86_64 --static __init int vdso_setup(char *s) --{ -- vdso64_enabled = simple_strtoul(s, NULL, 0); -- return 0; --} --__setup("vdso=", vdso_setup); --#endif -- --#ifdef CONFIG_X86_64 - static void vgetcpu_cpu_init(void *arg) - { - int cpu = smp_processor_id(); -diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig -index 4841453..d59a203 100644 ---- a/arch/x86/xen/Kconfig -+++ b/arch/x86/xen/Kconfig -@@ -9,6 +9,7 @@ config XEN - select XEN_HAVE_PVMMU - depends on X86_64 || (X86_32 && X86_PAE) - depends on X86_LOCAL_APIC && X86_TSC -+ depends on !GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_VIRT_XEN - help - This is the Linux Xen port. Enabling this will allow the - kernel to boot in a paravirtualized environment under the -diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c -index a671e83..a9dc1d9 100644 ---- a/arch/x86/xen/enlighten.c -+++ b/arch/x86/xen/enlighten.c -@@ -125,8 +125,6 @@ EXPORT_SYMBOL_GPL(xen_start_info); - - struct shared_info xen_dummy_shared_info; - --void *xen_initial_gdt; -- - RESERVE_BRK(shared_info_page_brk, PAGE_SIZE); - __read_mostly int xen_have_vector_callback; - EXPORT_SYMBOL_GPL(xen_have_vector_callback); -@@ -584,8 +582,7 @@ static void xen_load_gdt(const struct desc_ptr *dtr) - { - unsigned long va = dtr->address; - unsigned int size = dtr->size + 1; -- unsigned pages = (size + PAGE_SIZE - 1) / PAGE_SIZE; -- unsigned long frames[pages]; -+ unsigned long frames[65536 / PAGE_SIZE]; - int f; - - /* -@@ -633,8 +630,7 @@ static void __init xen_load_gdt_boot(const struct desc_ptr *dtr) - { - unsigned long va = dtr->address; - unsigned int size = dtr->size + 1; -- unsigned pages = (size + PAGE_SIZE - 1) / PAGE_SIZE; -- unsigned long frames[pages]; -+ unsigned long frames[(GDT_SIZE + PAGE_SIZE - 1) / PAGE_SIZE]; - int f; - - /* -@@ -642,7 +638,7 @@ static void __init xen_load_gdt_boot(const struct desc_ptr *dtr) - * 8-byte entries, or 16 4k pages.. - */ - -- BUG_ON(size > 65536); -+ BUG_ON(size > GDT_SIZE); - BUG_ON(va & ~PAGE_MASK); - - for (f = 0; va < dtr->address + size; va += PAGE_SIZE, f++) { -@@ -1263,30 +1259,30 @@ static const struct pv_apic_ops xen_apic_ops __initconst = { - #endif - }; - --static void xen_reboot(int reason) -+static __noreturn void xen_reboot(int reason) - { - struct sched_shutdown r = { .reason = reason }; - -- if (HYPERVISOR_sched_op(SCHEDOP_shutdown, &r)) -- BUG(); -+ HYPERVISOR_sched_op(SCHEDOP_shutdown, &r); -+ BUG(); - } - --static void xen_restart(char *msg) -+static __noreturn void xen_restart(char *msg) - { - xen_reboot(SHUTDOWN_reboot); - } - --static void xen_emergency_restart(void) -+static __noreturn void xen_emergency_restart(void) - { - xen_reboot(SHUTDOWN_reboot); - } - --static void xen_machine_halt(void) -+static __noreturn void xen_machine_halt(void) - { - xen_reboot(SHUTDOWN_poweroff); - } - --static void xen_machine_power_off(void) -+static __noreturn void xen_machine_power_off(void) - { - if (pm_power_off) - pm_power_off(); -@@ -1439,8 +1435,11 @@ static void __ref xen_setup_gdt(int cpu) - pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry_boot; - pv_cpu_ops.load_gdt = xen_load_gdt_boot; - -- setup_stack_canary_segment(0); -- switch_to_new_gdt(0); -+ setup_stack_canary_segment(cpu); -+#ifdef CONFIG_X86_64 -+ load_percpu_segment(cpu); -+#endif -+ switch_to_new_gdt(cpu); - - pv_cpu_ops.write_gdt_entry = xen_write_gdt_entry; - pv_cpu_ops.load_gdt = xen_load_gdt; -@@ -1555,7 +1554,17 @@ asmlinkage __visible void __init xen_start_kernel(void) - __userpte_alloc_gfp &= ~__GFP_HIGHMEM; - - /* Work out if we support NX */ -- x86_configure_nx(); -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) -+ if ((cpuid_eax(0x80000000) & 0xffff0000) == 0x80000000 && -+ (cpuid_edx(0x80000001) & (1U << (X86_FEATURE_NX & 31)))) { -+ unsigned l, h; -+ -+ __supported_pte_mask |= _PAGE_NX; -+ rdmsr(MSR_EFER, l, h); -+ l |= EFER_NX; -+ wrmsr(MSR_EFER, l, h); -+ } -+#endif - - /* Get mfn list */ - xen_build_dynamic_phys_to_machine(); -@@ -1583,13 +1592,6 @@ asmlinkage __visible void __init xen_start_kernel(void) - - machine_ops = xen_machine_ops; - -- /* -- * The only reliable way to retain the initial address of the -- * percpu gdt_page is to remember it here, so we can go and -- * mark it RW later, when the initial percpu area is freed. -- */ -- xen_initial_gdt = &per_cpu(gdt_page, 0); -- - xen_smp_init(); - - #ifdef CONFIG_ACPI_NUMA -diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c -index dd151b2..d5ab952 100644 ---- a/arch/x86/xen/mmu.c -+++ b/arch/x86/xen/mmu.c -@@ -379,7 +379,7 @@ static pteval_t pte_mfn_to_pfn(pteval_t val) - return val; - } - --static pteval_t pte_pfn_to_mfn(pteval_t val) -+static pteval_t __intentional_overflow(-1) pte_pfn_to_mfn(pteval_t val) - { - if (val & _PAGE_PRESENT) { - unsigned long pfn = (val & PTE_PFN_MASK) >> PAGE_SHIFT; -@@ -1835,7 +1835,11 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) - * L3_k[511] -> level2_fixmap_pgt */ - convert_pfn_mfn(level3_kernel_pgt); - -+ convert_pfn_mfn(level3_vmalloc_start_pgt); -+ convert_pfn_mfn(level3_vmalloc_end_pgt); -+ convert_pfn_mfn(level3_vmemmap_pgt); - /* L3_k[511][506] -> level1_fixmap_pgt */ -+ /* L3_k[511][507] -> level1_vsyscall_pgt */ - convert_pfn_mfn(level2_fixmap_pgt); - } - /* We get [511][511] and have Xen's version of level2_kernel_pgt */ -@@ -1860,11 +1864,18 @@ void __init xen_setup_kernel_pagetable(pgd_t *pgd, unsigned long max_pfn) - set_page_prot(init_level4_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_ident_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_kernel_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level3_vmalloc_start_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level3_vmalloc_end_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level3_vmemmap_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_user_vsyscall, PAGE_KERNEL_RO); - set_page_prot(level2_ident_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level2_vmemmap_pgt, PAGE_KERNEL_RO); - set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO); - set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO); -- set_page_prot(level1_fixmap_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level1_fixmap_pgt[0], PAGE_KERNEL_RO); -+ set_page_prot(level1_fixmap_pgt[1], PAGE_KERNEL_RO); -+ set_page_prot(level1_fixmap_pgt[2], PAGE_KERNEL_RO); -+ set_page_prot(level1_vsyscall_pgt, PAGE_KERNEL_RO); - - /* Pin down new L4 */ - pin_pagetable_pfn(MMUEXT_PIN_L4_TABLE, -@@ -2048,6 +2059,7 @@ static void __init xen_post_allocator_init(void) - pv_mmu_ops.set_pud = xen_set_pud; - #if CONFIG_PGTABLE_LEVELS == 4 - pv_mmu_ops.set_pgd = xen_set_pgd; -+ pv_mmu_ops.set_pgd_batched = xen_set_pgd; - #endif - - /* This will work as long as patching hasn't happened yet -@@ -2126,6 +2138,7 @@ static const struct pv_mmu_ops xen_mmu_ops __initconst = { - .pud_val = PV_CALLEE_SAVE(xen_pud_val), - .make_pud = PV_CALLEE_SAVE(xen_make_pud), - .set_pgd = xen_set_pgd_hyper, -+ .set_pgd_batched = xen_set_pgd_hyper, - - .alloc_pud = xen_alloc_pmd_init, - .release_pud = xen_release_pmd_init, -diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c -index 8648438..18bac20 100644 ---- a/arch/x86/xen/smp.c -+++ b/arch/x86/xen/smp.c -@@ -284,17 +284,13 @@ static void __init xen_smp_prepare_boot_cpu(void) - - if (xen_pv_domain()) { - if (!xen_feature(XENFEAT_writable_page_tables)) -- /* We've switched to the "real" per-cpu gdt, so make -- * sure the old memory can be recycled. */ -- make_lowmem_page_readwrite(xen_initial_gdt); -- - #ifdef CONFIG_X86_32 - /* - * Xen starts us with XEN_FLAT_RING1_DS, but linux code - * expects __USER_DS - */ -- loadsegment(ds, __USER_DS); -- loadsegment(es, __USER_DS); -+ loadsegment(ds, __KERNEL_DS); -+ loadsegment(es, __KERNEL_DS); - #endif - - xen_filter_cpu_maps(); -@@ -375,7 +371,7 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle) - #ifdef CONFIG_X86_32 - /* Note: PVH is not yet supported on x86_32. */ - ctxt->user_regs.fs = __KERNEL_PERCPU; -- ctxt->user_regs.gs = __KERNEL_STACK_CANARY; -+ savesegment(gs, ctxt->user_regs.gs); - #endif - memset(&ctxt->fpu_ctxt, 0, sizeof(ctxt->fpu_ctxt)); - -@@ -383,8 +379,8 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle) - ctxt->user_regs.eip = (unsigned long)cpu_bringup_and_idle; - ctxt->flags = VGCF_IN_KERNEL; - ctxt->user_regs.eflags = 0x1000; /* IOPL_RING1 */ -- ctxt->user_regs.ds = __USER_DS; -- ctxt->user_regs.es = __USER_DS; -+ ctxt->user_regs.ds = __KERNEL_DS; -+ ctxt->user_regs.es = __KERNEL_DS; - ctxt->user_regs.ss = __KERNEL_DS; - - xen_copy_trap_info(ctxt->trap_ctxt); -@@ -720,7 +716,7 @@ static const struct smp_ops xen_smp_ops __initconst = { - - void __init xen_smp_init(void) - { -- smp_ops = xen_smp_ops; -+ memcpy((void *)&smp_ops, &xen_smp_ops, sizeof smp_ops); - xen_fill_possible_map(); - } - -diff --git a/arch/x86/xen/xen-asm_32.S b/arch/x86/xen/xen-asm_32.S -index fd92a64..1f72641 100644 ---- a/arch/x86/xen/xen-asm_32.S -+++ b/arch/x86/xen/xen-asm_32.S -@@ -99,7 +99,7 @@ ENTRY(xen_iret) - pushw %fs - movl $(__KERNEL_PERCPU), %eax - movl %eax, %fs -- movl %fs:xen_vcpu, %eax -+ mov PER_CPU_VAR(xen_vcpu), %eax - POP_FS - #else - movl %ss:xen_vcpu, %eax -diff --git a/arch/x86/xen/xen-head.S b/arch/x86/xen/xen-head.S -index 8afdfcc..79239db 100644 ---- a/arch/x86/xen/xen-head.S -+++ b/arch/x86/xen/xen-head.S -@@ -41,6 +41,17 @@ ENTRY(startup_xen) - #ifdef CONFIG_X86_32 - mov %esi,xen_start_info - mov $init_thread_union+THREAD_SIZE,%esp -+#ifdef CONFIG_SMP -+ movl $cpu_gdt_table,%edi -+ movl $__per_cpu_load,%eax -+ movw %ax,__KERNEL_PERCPU + 2(%edi) -+ rorl $16,%eax -+ movb %al,__KERNEL_PERCPU + 4(%edi) -+ movb %ah,__KERNEL_PERCPU + 7(%edi) -+ movl $__per_cpu_end - 1,%eax -+ subl $__per_cpu_start,%eax -+ movw %ax,__KERNEL_PERCPU + 0(%edi) -+#endif - #else - mov %rsi,xen_start_info - mov $init_thread_union+THREAD_SIZE,%rsp -diff --git a/arch/x86/xen/xen-ops.h b/arch/x86/xen/xen-ops.h -index bef30cb..f1a0d68 100644 ---- a/arch/x86/xen/xen-ops.h -+++ b/arch/x86/xen/xen-ops.h -@@ -16,8 +16,6 @@ void xen_syscall_target(void); - void xen_syscall32_target(void); - #endif - --extern void *xen_initial_gdt; -- - struct trap_info; - void xen_copy_trap_info(struct trap_info *traps); - -diff --git a/arch/xtensa/variants/dc232b/include/variant/core.h b/arch/xtensa/variants/dc232b/include/variant/core.h -index 525bd3d..ef888b1 100644 ---- a/arch/xtensa/variants/dc232b/include/variant/core.h -+++ b/arch/xtensa/variants/dc232b/include/variant/core.h -@@ -119,9 +119,9 @@ - ----------------------------------------------------------------------*/ - - #define XCHAL_ICACHE_LINESIZE 32 /* I-cache line size in bytes */ --#define XCHAL_DCACHE_LINESIZE 32 /* D-cache line size in bytes */ - #define XCHAL_ICACHE_LINEWIDTH 5 /* log2(I line size in bytes) */ - #define XCHAL_DCACHE_LINEWIDTH 5 /* log2(D line size in bytes) */ -+#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */ - - #define XCHAL_ICACHE_SIZE 16384 /* I-cache size in bytes or 0 */ - #define XCHAL_DCACHE_SIZE 16384 /* D-cache size in bytes or 0 */ -diff --git a/arch/xtensa/variants/fsf/include/variant/core.h b/arch/xtensa/variants/fsf/include/variant/core.h -index 2f33760..835e50a 100644 ---- a/arch/xtensa/variants/fsf/include/variant/core.h -+++ b/arch/xtensa/variants/fsf/include/variant/core.h -@@ -11,6 +11,7 @@ - #ifndef _XTENSA_CORE_H - #define _XTENSA_CORE_H - -+#include <linux/const.h> - - /**************************************************************************** - Parameters Useful for Any Code, USER or PRIVILEGED -@@ -112,9 +113,9 @@ - ----------------------------------------------------------------------*/ - - #define XCHAL_ICACHE_LINESIZE 16 /* I-cache line size in bytes */ --#define XCHAL_DCACHE_LINESIZE 16 /* D-cache line size in bytes */ - #define XCHAL_ICACHE_LINEWIDTH 4 /* log2(I line size in bytes) */ - #define XCHAL_DCACHE_LINEWIDTH 4 /* log2(D line size in bytes) */ -+#define XCHAL_DCACHE_LINESIZE (_AC(1,UL) << XCHAL_DCACHE_LINEWIDTH) /* D-cache line size in bytes */ - - #define XCHAL_ICACHE_SIZE 8192 /* I-cache size in bytes or 0 */ - #define XCHAL_DCACHE_SIZE 8192 /* D-cache size in bytes or 0 */ -diff --git a/block/bio.c b/block/bio.c -index 4441522..dedbafc 100644 ---- a/block/bio.c -+++ b/block/bio.c -@@ -1172,7 +1172,7 @@ struct bio *bio_copy_user_iov(struct request_queue *q, - /* - * Overflow, abort - */ -- if (end < start) -+ if (end < start || end - start > INT_MAX - nr_pages) - return ERR_PTR(-EINVAL); - - nr_pages += end - start; -@@ -1297,7 +1297,7 @@ struct bio *bio_map_user_iov(struct request_queue *q, - /* - * Overflow, abort - */ -- if (end < start) -+ if (end < start || end - start > INT_MAX - nr_pages) - return ERR_PTR(-EINVAL); - - nr_pages += end - start; -diff --git a/block/blk-iopoll.c b/block/blk-iopoll.c -index 0736729..2ec3b48 100644 ---- a/block/blk-iopoll.c -+++ b/block/blk-iopoll.c -@@ -74,7 +74,7 @@ void blk_iopoll_complete(struct blk_iopoll *iop) - } - EXPORT_SYMBOL(blk_iopoll_complete); - --static void blk_iopoll_softirq(struct softirq_action *h) -+static __latent_entropy void blk_iopoll_softirq(void) - { - struct list_head *list = this_cpu_ptr(&blk_cpu_iopoll); - int rearm = 0, budget = blk_iopoll_budget; -diff --git a/block/blk-map.c b/block/blk-map.c -index da310a1..213b5c9 100644 ---- a/block/blk-map.c -+++ b/block/blk-map.c -@@ -192,7 +192,7 @@ int blk_rq_map_kern(struct request_queue *q, struct request *rq, void *kbuf, - if (!len || !kbuf) - return -EINVAL; - -- do_copy = !blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf); -+ do_copy = !blk_rq_aligned(q, addr, len) || object_starts_on_stack(kbuf); - if (do_copy) - bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading); - else -diff --git a/block/blk-softirq.c b/block/blk-softirq.c -index 53b1737..08177d2e 100644 ---- a/block/blk-softirq.c -+++ b/block/blk-softirq.c -@@ -18,7 +18,7 @@ static DEFINE_PER_CPU(struct list_head, blk_cpu_done); - * Softirq action handler - move entries to local list and loop over them - * while passing them to the queue registered handler. - */ --static void blk_done_softirq(struct softirq_action *h) -+static __latent_entropy void blk_done_softirq(void) - { - struct list_head *cpu_list, local_list; - -diff --git a/block/bsg.c b/block/bsg.c -index d214e92..9649863 100644 ---- a/block/bsg.c -+++ b/block/bsg.c -@@ -140,16 +140,24 @@ static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq, - struct sg_io_v4 *hdr, struct bsg_device *bd, - fmode_t has_write_perm) - { -+ unsigned char tmpcmd[sizeof(rq->__cmd)]; -+ unsigned char *cmdptr; -+ - if (hdr->request_len > BLK_MAX_CDB) { - rq->cmd = kzalloc(hdr->request_len, GFP_KERNEL); - if (!rq->cmd) - return -ENOMEM; -- } -+ cmdptr = rq->cmd; -+ } else -+ cmdptr = tmpcmd; - -- if (copy_from_user(rq->cmd, (void __user *)(unsigned long)hdr->request, -+ if (copy_from_user(cmdptr, (void __user *)(unsigned long)hdr->request, - hdr->request_len)) - return -EFAULT; - -+ if (cmdptr != rq->cmd) -+ memcpy(rq->cmd, cmdptr, hdr->request_len); -+ - if (hdr->subprotocol == BSG_SUB_PROTOCOL_SCSI_CMD) { - if (blk_verify_command(rq->cmd, has_write_perm)) - return -EPERM; -diff --git a/block/compat_ioctl.c b/block/compat_ioctl.c -index f678c73..f35aa18 100644 ---- a/block/compat_ioctl.c -+++ b/block/compat_ioctl.c -@@ -156,7 +156,7 @@ static int compat_cdrom_generic_command(struct block_device *bdev, fmode_t mode, - cgc = compat_alloc_user_space(sizeof(*cgc)); - cgc32 = compat_ptr(arg); - -- if (copy_in_user(&cgc->cmd, &cgc32->cmd, sizeof(cgc->cmd)) || -+ if (copy_in_user(cgc->cmd, cgc32->cmd, sizeof(cgc->cmd)) || - get_user(data, &cgc32->buffer) || - put_user(compat_ptr(data), &cgc->buffer) || - copy_in_user(&cgc->buflen, &cgc32->buflen, -@@ -341,7 +341,7 @@ static int compat_fd_ioctl(struct block_device *bdev, fmode_t mode, - err |= __get_user(f->spec1, &uf->spec1); - err |= __get_user(f->fmt_gap, &uf->fmt_gap); - err |= __get_user(name, &uf->name); -- f->name = compat_ptr(name); -+ f->name = (void __force_kernel *)compat_ptr(name); - if (err) { - err = -EFAULT; - goto out; -diff --git a/block/genhd.c b/block/genhd.c -index ea982ea..86e0f9e 100644 ---- a/block/genhd.c -+++ b/block/genhd.c -@@ -469,21 +469,24 @@ static char *bdevt_str(dev_t devt, char *buf) - - /* - * Register device numbers dev..(dev+range-1) -- * range must be nonzero -+ * Noop if @range is zero. - * The hash chain is sorted on range, so that subranges can override. - */ - void blk_register_region(dev_t devt, unsigned long range, struct module *module, - struct kobject *(*probe)(dev_t, int *, void *), - int (*lock)(dev_t, void *), void *data) - { -- kobj_map(bdev_map, devt, range, module, probe, lock, data); -+ if (range) -+ kobj_map(bdev_map, devt, range, module, probe, lock, data); - } - - EXPORT_SYMBOL(blk_register_region); - -+/* undo blk_register_region(), noop if @range is zero */ - void blk_unregister_region(dev_t devt, unsigned long range) - { -- kobj_unmap(bdev_map, devt, range); -+ if (range) -+ kobj_unmap(bdev_map, devt, range); - } - - EXPORT_SYMBOL(blk_unregister_region); -diff --git a/block/partitions/efi.c b/block/partitions/efi.c -index 26cb624..a49c3a5 100644 ---- a/block/partitions/efi.c -+++ b/block/partitions/efi.c -@@ -293,14 +293,14 @@ static gpt_entry *alloc_read_gpt_entries(struct parsed_partitions *state, - if (!gpt) - return NULL; - -+ if (!le32_to_cpu(gpt->num_partition_entries)) -+ return NULL; -+ pte = kcalloc(le32_to_cpu(gpt->num_partition_entries), le32_to_cpu(gpt->sizeof_partition_entry), GFP_KERNEL); -+ if (!pte) -+ return NULL; -+ - count = le32_to_cpu(gpt->num_partition_entries) * - le32_to_cpu(gpt->sizeof_partition_entry); -- if (!count) -- return NULL; -- pte = kmalloc(count, GFP_KERNEL); -- if (!pte) -- return NULL; -- - if (read_lba(state, le64_to_cpu(gpt->partition_entry_lba), - (u8 *) pte, count) < count) { - kfree(pte); -diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c -index 55b6f15..b602c9a 100644 ---- a/block/scsi_ioctl.c -+++ b/block/scsi_ioctl.c -@@ -67,7 +67,7 @@ static int scsi_get_bus(struct request_queue *q, int __user *p) - return put_user(0, p); - } - --static int sg_get_timeout(struct request_queue *q) -+static int __intentional_overflow(-1) sg_get_timeout(struct request_queue *q) - { - return jiffies_to_clock_t(q->sg_timeout); - } -@@ -227,8 +227,20 @@ EXPORT_SYMBOL(blk_verify_command); - static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq, - struct sg_io_hdr *hdr, fmode_t mode) - { -- if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len)) -+ unsigned char tmpcmd[sizeof(rq->__cmd)]; -+ unsigned char *cmdptr; -+ -+ if (rq->cmd != rq->__cmd) -+ cmdptr = rq->cmd; -+ else -+ cmdptr = tmpcmd; -+ -+ if (copy_from_user(cmdptr, hdr->cmdp, hdr->cmd_len)) - return -EFAULT; -+ -+ if (cmdptr != rq->cmd) -+ memcpy(rq->cmd, cmdptr, hdr->cmd_len); -+ - if (blk_verify_command(rq->cmd, mode & FMODE_WRITE)) - return -EPERM; - -@@ -420,6 +432,8 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, - int err; - unsigned int in_len, out_len, bytes, opcode, cmdlen; - char *buffer = NULL, sense[SCSI_SENSE_BUFFERSIZE]; -+ unsigned char tmpcmd[sizeof(rq->__cmd)]; -+ unsigned char *cmdptr; - - if (!sic) - return -EINVAL; -@@ -458,9 +472,18 @@ int sg_scsi_ioctl(struct request_queue *q, struct gendisk *disk, fmode_t mode, - */ - err = -EFAULT; - rq->cmd_len = cmdlen; -- if (copy_from_user(rq->cmd, sic->data, cmdlen)) -+ -+ if (rq->cmd != rq->__cmd) -+ cmdptr = rq->cmd; -+ else -+ cmdptr = tmpcmd; -+ -+ if (copy_from_user(cmdptr, sic->data, cmdlen)) - goto error; - -+ if (rq->cmd != cmdptr) -+ memcpy(rq->cmd, cmdptr, cmdlen); -+ - if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len)) - goto error; - -diff --git a/crypto/cryptd.c b/crypto/cryptd.c -index b0602ba..fb71850 100644 ---- a/crypto/cryptd.c -+++ b/crypto/cryptd.c -@@ -63,7 +63,7 @@ struct cryptd_blkcipher_ctx { - - struct cryptd_blkcipher_request_ctx { - crypto_completion_t complete; --}; -+} __no_const; - - struct cryptd_hash_ctx { - struct crypto_shash *child; -@@ -80,7 +80,7 @@ struct cryptd_aead_ctx { - - struct cryptd_aead_request_ctx { - crypto_completion_t complete; --}; -+} __no_const; - - static void cryptd_queue_worker(struct work_struct *work); - -diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c -index c305d41..a96de79 100644 ---- a/crypto/pcrypt.c -+++ b/crypto/pcrypt.c -@@ -440,7 +440,7 @@ static int pcrypt_sysfs_add(struct padata_instance *pinst, const char *name) - int ret; - - pinst->kobj.kset = pcrypt_kset; -- ret = kobject_add(&pinst->kobj, NULL, name); -+ ret = kobject_add(&pinst->kobj, NULL, "%s", name); - if (!ret) - kobject_uevent(&pinst->kobj, KOBJ_ADD); - -diff --git a/crypto/zlib.c b/crypto/zlib.c -index 0eefa9d..0fa3d29 100644 ---- a/crypto/zlib.c -+++ b/crypto/zlib.c -@@ -95,10 +95,10 @@ static int zlib_compress_setup(struct crypto_pcomp *tfm, void *params, - zlib_comp_exit(ctx); - - window_bits = tb[ZLIB_COMP_WINDOWBITS] -- ? nla_get_u32(tb[ZLIB_COMP_WINDOWBITS]) -+ ? nla_get_s32(tb[ZLIB_COMP_WINDOWBITS]) - : MAX_WBITS; - mem_level = tb[ZLIB_COMP_MEMLEVEL] -- ? nla_get_u32(tb[ZLIB_COMP_MEMLEVEL]) -+ ? nla_get_s32(tb[ZLIB_COMP_MEMLEVEL]) - : DEF_MEM_LEVEL; - - workspacesize = zlib_deflate_workspacesize(window_bits, mem_level); -diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c -index 3b37676..898edfa 100644 ---- a/drivers/acpi/acpica/hwxfsleep.c -+++ b/drivers/acpi/acpica/hwxfsleep.c -@@ -63,11 +63,12 @@ static acpi_status acpi_hw_sleep_dispatch(u8 sleep_state, u32 function_id); - /* Legacy functions are optional, based upon ACPI_REDUCED_HARDWARE */ - - static struct acpi_sleep_functions acpi_sleep_dispatch[] = { -- {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep), -- acpi_hw_extended_sleep}, -- {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep), -- acpi_hw_extended_wake_prep}, -- {ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake), acpi_hw_extended_wake} -+ {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_sleep), -+ .extended_function = acpi_hw_extended_sleep}, -+ {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake_prep), -+ .extended_function = acpi_hw_extended_wake_prep}, -+ {.legacy_function = ACPI_HW_OPTIONAL_FUNCTION(acpi_hw_legacy_wake), -+ .extended_function = acpi_hw_extended_wake} - }; - - /* -diff --git a/drivers/acpi/apei/apei-internal.h b/drivers/acpi/apei/apei-internal.h -index 16129c7..8b675cd 100644 ---- a/drivers/acpi/apei/apei-internal.h -+++ b/drivers/acpi/apei/apei-internal.h -@@ -19,7 +19,7 @@ typedef int (*apei_exec_ins_func_t)(struct apei_exec_context *ctx, - struct apei_exec_ins_type { - u32 flags; - apei_exec_ins_func_t run; --}; -+} __do_const; - - struct apei_exec_context { - u32 ip; -diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c -index e82d097..0c855c1 100644 ---- a/drivers/acpi/apei/ghes.c -+++ b/drivers/acpi/apei/ghes.c -@@ -478,7 +478,7 @@ static void __ghes_print_estatus(const char *pfx, - const struct acpi_hest_generic *generic, - const struct acpi_hest_generic_status *estatus) - { -- static atomic_t seqno; -+ static atomic_unchecked_t seqno; - unsigned int curr_seqno; - char pfx_seq[64]; - -@@ -489,7 +489,7 @@ static void __ghes_print_estatus(const char *pfx, - else - pfx = KERN_ERR; - } -- curr_seqno = atomic_inc_return(&seqno); -+ curr_seqno = atomic_inc_return_unchecked(&seqno); - snprintf(pfx_seq, sizeof(pfx_seq), "%s{%u}" HW_ERR, pfx, curr_seqno); - printk("%s""Hardware error from APEI Generic Hardware Error Source: %d\n", - pfx_seq, generic->header.source_id); -diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c -index a83e3c6..c3d617f 100644 ---- a/drivers/acpi/bgrt.c -+++ b/drivers/acpi/bgrt.c -@@ -86,8 +86,10 @@ static int __init bgrt_init(void) - if (!bgrt_image) - return -ENODEV; - -- bin_attr_image.private = bgrt_image; -- bin_attr_image.size = bgrt_image_size; -+ pax_open_kernel(); -+ *(void **)&bin_attr_image.private = bgrt_image; -+ *(size_t *)&bin_attr_image.size = bgrt_image_size; -+ pax_close_kernel(); - - bgrt_kobj = kobject_create_and_add("bgrt", acpi_kobj); - if (!bgrt_kobj) -diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c -index 1d17919..315e955 100644 ---- a/drivers/acpi/blacklist.c -+++ b/drivers/acpi/blacklist.c -@@ -51,7 +51,7 @@ struct acpi_blacklist_item { - u32 is_critical_error; - }; - --static struct dmi_system_id acpi_osi_dmi_table[] __initdata; -+static const struct dmi_system_id acpi_osi_dmi_table[] __initconst; - - /* - * POLICY: If *anything* doesn't work, put it on the blacklist. -@@ -163,7 +163,7 @@ static int __init dmi_disable_osi_win8(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { -+static const struct dmi_system_id acpi_osi_dmi_table[] __initconst = { - { - .callback = dmi_disable_osi_vista, - .ident = "Fujitsu Siemens", -diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c -index 513e7230e..802015a 100644 ---- a/drivers/acpi/bus.c -+++ b/drivers/acpi/bus.c -@@ -67,7 +67,7 @@ static int set_copy_dsdt(const struct dmi_system_id *id) - } - #endif - --static struct dmi_system_id dsdt_dmi_table[] __initdata = { -+static const struct dmi_system_id dsdt_dmi_table[] __initconst = { - /* - * Invoke DSDT corruption work-around on all Toshiba Satellite. - * https://bugzilla.kernel.org/show_bug.cgi?id=14679 -@@ -83,7 +83,7 @@ static struct dmi_system_id dsdt_dmi_table[] __initdata = { - {} - }; - #else --static struct dmi_system_id dsdt_dmi_table[] __initdata = { -+static const struct dmi_system_id dsdt_dmi_table[] __initconst = { - {} - }; - #endif -diff --git a/drivers/acpi/custom_method.c b/drivers/acpi/custom_method.c -index c68e724..e863008 100644 ---- a/drivers/acpi/custom_method.c -+++ b/drivers/acpi/custom_method.c -@@ -29,6 +29,10 @@ static ssize_t cm_write(struct file *file, const char __user * user_buf, - struct acpi_table_header table; - acpi_status status; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - if (!(*ppos)) { - /* parse the table header to get the table length */ - if (count <= sizeof(struct acpi_table_header)) -diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c -index 8217e0b..3294cb6 100644 ---- a/drivers/acpi/device_pm.c -+++ b/drivers/acpi/device_pm.c -@@ -1026,6 +1026,8 @@ EXPORT_SYMBOL_GPL(acpi_subsys_freeze); - - #endif /* CONFIG_PM_SLEEP */ - -+static void acpi_dev_pm_detach(struct device *dev, bool power_off); -+ - static struct dev_pm_domain acpi_general_pm_domain = { - .ops = { - .runtime_suspend = acpi_subsys_runtime_suspend, -@@ -1042,6 +1044,7 @@ static struct dev_pm_domain acpi_general_pm_domain = { - .restore_early = acpi_subsys_resume_early, - #endif - }, -+ .detach = acpi_dev_pm_detach - }; - - /** -@@ -1111,7 +1114,6 @@ int acpi_dev_pm_attach(struct device *dev, bool power_on) - acpi_device_wakeup(adev, ACPI_STATE_S0, false); - } - -- dev->pm_domain->detach = acpi_dev_pm_detach; - return 0; - } - EXPORT_SYMBOL_GPL(acpi_dev_pm_attach); -diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c -index 5e8fed4..d9bb545 100644 ---- a/drivers/acpi/ec.c -+++ b/drivers/acpi/ec.c -@@ -1293,7 +1293,7 @@ static int ec_clear_on_resume(const struct dmi_system_id *id) - return 0; - } - --static struct dmi_system_id ec_dmi_table[] __initdata = { -+static const struct dmi_system_id ec_dmi_table[] __initconst = { - { - ec_skip_dsdt_scan, "Compal JFL92", { - DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"), -diff --git a/drivers/acpi/pci_slot.c b/drivers/acpi/pci_slot.c -index 139d9e4..9a9d799 100644 ---- a/drivers/acpi/pci_slot.c -+++ b/drivers/acpi/pci_slot.c -@@ -195,7 +195,7 @@ static int do_sta_before_sun(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id acpi_pci_slot_dmi_table[] __initdata = { -+static const struct dmi_system_id acpi_pci_slot_dmi_table[] __initconst = { - /* - * Fujitsu Primequest machines will return 1023 to indicate an - * error if the _SUN method is evaluated on SxFy objects that -diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c -index d9f7158..168e742 100644 ---- a/drivers/acpi/processor_driver.c -+++ b/drivers/acpi/processor_driver.c -@@ -159,7 +159,7 @@ static int acpi_cpu_soft_notify(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __refdata acpi_cpu_notifier = { -+static struct notifier_block __refconst acpi_cpu_notifier = { - .notifier_call = acpi_cpu_soft_notify, - }; - -diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c -index 39e0c8e..b5ae20c 100644 ---- a/drivers/acpi/processor_idle.c -+++ b/drivers/acpi/processor_idle.c -@@ -910,7 +910,7 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr) - { - int i, count = CPUIDLE_DRIVER_STATE_START; - struct acpi_processor_cx *cx; -- struct cpuidle_state *state; -+ cpuidle_state_no_const *state; - struct cpuidle_driver *drv = &acpi_idle_driver; - - if (!pr->flags.power_setup_done) -diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c -index e5dd808..1eceed1 100644 ---- a/drivers/acpi/processor_pdc.c -+++ b/drivers/acpi/processor_pdc.c -@@ -176,7 +176,7 @@ static int __init set_no_mwait(const struct dmi_system_id *id) - return 0; - } - --static struct dmi_system_id processor_idle_dmi_table[] __initdata = { -+static const struct dmi_system_id processor_idle_dmi_table[] __initconst = { - { - set_no_mwait, "Extensa 5220", { - DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"), -diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c -index 2f0d4db..b9e9b15 100644 ---- a/drivers/acpi/sleep.c -+++ b/drivers/acpi/sleep.c -@@ -148,7 +148,7 @@ static int __init init_nvs_nosave(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id acpisleep_dmi_table[] __initdata = { -+static const struct dmi_system_id acpisleep_dmi_table[] __initconst = { - { - .callback = init_old_suspend_ordering, - .ident = "Abit KN9 (nForce4 variant)", -diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c -index 0876d77b..3ba0127 100644 ---- a/drivers/acpi/sysfs.c -+++ b/drivers/acpi/sysfs.c -@@ -423,11 +423,11 @@ static u32 num_counters; - static struct attribute **all_attrs; - static u32 acpi_gpe_count; - --static struct attribute_group interrupt_stats_attr_group = { -+static attribute_group_no_const interrupt_stats_attr_group = { - .name = "interrupts", - }; - --static struct kobj_attribute *counter_attrs; -+static kobj_attribute_no_const *counter_attrs; - - static void delete_gpe_attr_array(void) - { -diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c -index d24fa19..782f1e6 100644 ---- a/drivers/acpi/thermal.c -+++ b/drivers/acpi/thermal.c -@@ -1209,7 +1209,7 @@ static int thermal_psv(const struct dmi_system_id *d) { - return 0; - } - --static struct dmi_system_id thermal_dmi_table[] __initdata = { -+static const struct dmi_system_id thermal_dmi_table[] __initconst = { - /* - * Award BIOS on this AOpen makes thermal control almost worthless. - * http://bugzilla.kernel.org/show_bug.cgi?id=8842 -diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c -index cc79d3f..28adb33 100644 ---- a/drivers/acpi/video.c -+++ b/drivers/acpi/video.c -@@ -431,7 +431,7 @@ static int __init video_enable_native_backlight(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id video_dmi_table[] __initdata = { -+static const struct dmi_system_id video_dmi_table[] __initconst = { - /* - * Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121 - */ -diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c -index 287c4ba..6a600bc 100644 ---- a/drivers/ata/libahci.c -+++ b/drivers/ata/libahci.c -@@ -1252,7 +1252,7 @@ int ahci_kick_engine(struct ata_port *ap) - } - EXPORT_SYMBOL_GPL(ahci_kick_engine); - --static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp, -+static int __intentional_overflow(-1) ahci_exec_polled_cmd(struct ata_port *ap, int pmp, - struct ata_taskfile *tf, int is_cmd, u16 flags, - unsigned long timeout_msec) - { -diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c -index e0064d1..e53c75e 100644 ---- a/drivers/ata/libata-core.c -+++ b/drivers/ata/libata-core.c -@@ -102,7 +102,7 @@ static unsigned int ata_dev_set_xfermode(struct ata_device *dev); - static void ata_dev_xfermask(struct ata_device *dev); - static unsigned long ata_dev_blacklisted(const struct ata_device *dev); - --atomic_t ata_print_id = ATOMIC_INIT(0); -+atomic_unchecked_t ata_print_id = ATOMIC_INIT(0); - - struct ata_force_param { - const char *name; -@@ -4800,7 +4800,7 @@ void ata_qc_free(struct ata_queued_cmd *qc) - struct ata_port *ap; - unsigned int tag; - -- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ -+ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ - ap = qc->ap; - - qc->flags = 0; -@@ -4817,7 +4817,7 @@ void __ata_qc_complete(struct ata_queued_cmd *qc) - struct ata_port *ap; - struct ata_link *link; - -- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ -+ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ - WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE)); - ap = qc->ap; - link = qc->dev->link; -@@ -5924,6 +5924,7 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops) - return; - - spin_lock(&lock); -+ pax_open_kernel(); - - for (cur = ops->inherits; cur; cur = cur->inherits) { - void **inherit = (void **)cur; -@@ -5937,8 +5938,9 @@ static void ata_finalize_port_ops(struct ata_port_operations *ops) - if (IS_ERR(*pp)) - *pp = NULL; - -- ops->inherits = NULL; -+ *(struct ata_port_operations **)&ops->inherits = NULL; - -+ pax_close_kernel(); - spin_unlock(&lock); - } - -@@ -6134,7 +6136,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht) - - /* give ports names and add SCSI hosts */ - for (i = 0; i < host->n_ports; i++) { -- host->ports[i]->print_id = atomic_inc_return(&ata_print_id); -+ host->ports[i]->print_id = atomic_inc_return_unchecked(&ata_print_id); - host->ports[i]->local_port_no = i + 1; - } - -diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c -index 0d7f0da..bc20aa6 100644 ---- a/drivers/ata/libata-scsi.c -+++ b/drivers/ata/libata-scsi.c -@@ -4193,7 +4193,7 @@ int ata_sas_port_init(struct ata_port *ap) - - if (rc) - return rc; -- ap->print_id = atomic_inc_return(&ata_print_id); -+ ap->print_id = atomic_inc_return_unchecked(&ata_print_id); - return 0; - } - EXPORT_SYMBOL_GPL(ata_sas_port_init); -diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h -index f840ca1..edd6ef3 100644 ---- a/drivers/ata/libata.h -+++ b/drivers/ata/libata.h -@@ -53,7 +53,7 @@ enum { - ATA_DNXFER_QUIET = (1 << 31), - }; - --extern atomic_t ata_print_id; -+extern atomic_unchecked_t ata_print_id; - extern int atapi_passthru16; - extern int libata_fua; - extern int libata_noacpi; -diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c -index a9b0c82..207d97d 100644 ---- a/drivers/ata/pata_arasan_cf.c -+++ b/drivers/ata/pata_arasan_cf.c -@@ -865,7 +865,9 @@ static int arasan_cf_probe(struct platform_device *pdev) - /* Handle platform specific quirks */ - if (quirk) { - if (quirk & CF_BROKEN_PIO) { -- ap->ops->set_piomode = NULL; -+ pax_open_kernel(); -+ *(void **)&ap->ops->set_piomode = NULL; -+ pax_close_kernel(); - ap->pio_mask = 0; - } - if (quirk & CF_BROKEN_MWDMA) -diff --git a/drivers/atm/adummy.c b/drivers/atm/adummy.c -index f9b983a..887b9d8 100644 ---- a/drivers/atm/adummy.c -+++ b/drivers/atm/adummy.c -@@ -114,7 +114,7 @@ adummy_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c -index f1a9198..f466a4a 100644 ---- a/drivers/atm/ambassador.c -+++ b/drivers/atm/ambassador.c -@@ -454,7 +454,7 @@ static void tx_complete (amb_dev * dev, tx_out * tx) { - PRINTD (DBG_FLOW|DBG_TX, "tx_complete %p %p", dev, tx); - - // VC layer stats -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - // free the descriptor - kfree (tx_descr); -@@ -495,7 +495,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) { - dump_skb ("<<<", vc, skb); - - // VC layer stats -- atomic_inc(&atm_vcc->stats->rx); -+ atomic_inc_unchecked(&atm_vcc->stats->rx); - __net_timestamp(skb); - // end of our responsibility - atm_vcc->push (atm_vcc, skb); -@@ -510,7 +510,7 @@ static void rx_complete (amb_dev * dev, rx_out * rx) { - } else { - PRINTK (KERN_INFO, "dropped over-size frame"); - // should we count this? -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - } - - } else { -@@ -1338,7 +1338,7 @@ static int amb_send (struct atm_vcc * atm_vcc, struct sk_buff * skb) { - } - - if (check_area (skb->data, skb->len)) { -- atomic_inc(&atm_vcc->stats->tx_err); -+ atomic_inc_unchecked(&atm_vcc->stats->tx_err); - return -ENOMEM; // ? - } - -diff --git a/drivers/atm/atmtcp.c b/drivers/atm/atmtcp.c -index 480fa6f..947067c 100644 ---- a/drivers/atm/atmtcp.c -+++ b/drivers/atm/atmtcp.c -@@ -206,7 +206,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb) - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); - if (dev_data) return 0; -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOLINK; - } - size = skb->len+sizeof(struct atmtcp_hdr); -@@ -214,7 +214,7 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb) - if (!new_skb) { - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOBUFS; - } - hdr = (void *) skb_put(new_skb,sizeof(struct atmtcp_hdr)); -@@ -225,8 +225,8 @@ static int atmtcp_v_send(struct atm_vcc *vcc,struct sk_buff *skb) - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); - out_vcc->push(out_vcc,new_skb); -- atomic_inc(&vcc->stats->tx); -- atomic_inc(&out_vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->tx); -+ atomic_inc_unchecked(&out_vcc->stats->rx); - return 0; - } - -@@ -300,7 +300,7 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb) - read_unlock(&vcc_sklist_lock); - if (!out_vcc) { - result = -EUNATCH; -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - goto done; - } - skb_pull(skb,sizeof(struct atmtcp_hdr)); -@@ -312,8 +312,8 @@ static int atmtcp_c_send(struct atm_vcc *vcc,struct sk_buff *skb) - __net_timestamp(new_skb); - skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len); - out_vcc->push(out_vcc,new_skb); -- atomic_inc(&vcc->stats->tx); -- atomic_inc(&out_vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->tx); -+ atomic_inc_unchecked(&out_vcc->stats->rx); - done: - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); -diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c -index 6339efd..2b441d5 100644 ---- a/drivers/atm/eni.c -+++ b/drivers/atm/eni.c -@@ -525,7 +525,7 @@ static int rx_aal0(struct atm_vcc *vcc) - DPRINTK(DEV_LABEL "(itf %d): trashing empty cell\n", - vcc->dev->number); - length = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - else { - length = ATM_CELL_SIZE-1; /* no HEC */ -@@ -580,7 +580,7 @@ static int rx_aal5(struct atm_vcc *vcc) - size); - } - eff = length = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - else { - size = (descr & MID_RED_COUNT)*(ATM_CELL_PAYLOAD >> 2); -@@ -597,7 +597,7 @@ static int rx_aal5(struct atm_vcc *vcc) - "(VCI=%d,length=%ld,size=%ld (descr 0x%lx))\n", - vcc->dev->number,vcc->vci,length,size << 2,descr); - length = eff = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - } - skb = eff ? atm_alloc_charge(vcc,eff << 2,GFP_ATOMIC) : NULL; -@@ -770,7 +770,7 @@ rx_dequeued++; - vcc->push(vcc,skb); - pushed++; - } -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - wake_up(&eni_dev->rx_wait); - } -@@ -1230,7 +1230,7 @@ static void dequeue_tx(struct atm_dev *dev) - DMA_TO_DEVICE); - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb_irq(skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - wake_up(&eni_dev->tx_wait); - dma_complete++; - } -diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c -index 82f2ae0..f205c02 100644 ---- a/drivers/atm/firestream.c -+++ b/drivers/atm/firestream.c -@@ -749,7 +749,7 @@ static void process_txdone_queue (struct fs_dev *dev, struct queue *q) - } - } - -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - fs_dprintk (FS_DEBUG_TXMEM, "i"); - fs_dprintk (FS_DEBUG_ALLOC, "Free t-skb: %p\n", skb); -@@ -816,7 +816,7 @@ static void process_incoming (struct fs_dev *dev, struct queue *q) - #endif - skb_put (skb, qe->p1 & 0xffff); - ATM_SKB(skb)->vcc = atm_vcc; -- atomic_inc(&atm_vcc->stats->rx); -+ atomic_inc_unchecked(&atm_vcc->stats->rx); - __net_timestamp(skb); - fs_dprintk (FS_DEBUG_ALLOC, "Free rec-skb: %p (pushed)\n", skb); - atm_vcc->push (atm_vcc, skb); -@@ -837,12 +837,12 @@ static void process_incoming (struct fs_dev *dev, struct queue *q) - kfree (pe); - } - if (atm_vcc) -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - break; - case 0x1f: /* Reassembly abort: no buffers. */ - /* Silently increment error counter. */ - if (atm_vcc) -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - break; - default: /* Hmm. Haven't written the code to handle the others yet... -- REW */ - printk (KERN_WARNING "Don't know what to do with RX status %x: %s.\n", -diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c -index 75dde90..4309ead 100644 ---- a/drivers/atm/fore200e.c -+++ b/drivers/atm/fore200e.c -@@ -932,9 +932,9 @@ fore200e_tx_irq(struct fore200e* fore200e) - #endif - /* check error condition */ - if (*entry->status & STATUS_ERROR) -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - else -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - } - } - -@@ -1083,7 +1083,7 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp - if (skb == NULL) { - DPRINTK(2, "unable to alloc new skb, rx PDU length = %d\n", pdu_len); - -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return -ENOMEM; - } - -@@ -1126,14 +1126,14 @@ fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rp - - dev_kfree_skb_any(skb); - -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return -ENOMEM; - } - - ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); - -@@ -1211,7 +1211,7 @@ fore200e_rx_irq(struct fore200e* fore200e) - DPRINTK(2, "damaged PDU on %d.%d.%d\n", - fore200e->atm_dev->number, - entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - } - -@@ -1656,7 +1656,7 @@ fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb) - goto retry_here; - } - -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - - fore200e->tx_sat++; - DPRINTK(2, "tx queue of device %s is saturated, PDU dropped - heartbeat is %08x\n", -diff --git a/drivers/atm/he.c b/drivers/atm/he.c -index 93dca2e..c5daa69 100644 ---- a/drivers/atm/he.c -+++ b/drivers/atm/he.c -@@ -1692,7 +1692,7 @@ he_service_rbrq(struct he_dev *he_dev, int group) - - if (RBRQ_HBUF_ERR(he_dev->rbrq_head)) { - hprintk("HBUF_ERR! (cid 0x%x)\n", cid); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto return_host_buffers; - } - -@@ -1719,7 +1719,7 @@ he_service_rbrq(struct he_dev *he_dev, int group) - RBRQ_LEN_ERR(he_dev->rbrq_head) - ? "LEN_ERR" : "", - vcc->vpi, vcc->vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto return_host_buffers; - } - -@@ -1771,7 +1771,7 @@ he_service_rbrq(struct he_dev *he_dev, int group) - vcc->push(vcc, skb); - spin_lock(&he_dev->global_lock); - -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - return_host_buffers: - ++pdus_assembled; -@@ -2097,7 +2097,7 @@ __enqueue_tpd(struct he_dev *he_dev, struct he_tpd *tpd, unsigned cid) - tpd->vcc->pop(tpd->vcc, tpd->skb); - else - dev_kfree_skb_any(tpd->skb); -- atomic_inc(&tpd->vcc->stats->tx_err); -+ atomic_inc_unchecked(&tpd->vcc->stats->tx_err); - } - dma_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status)); - return; -@@ -2509,7 +2509,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -EINVAL; - } - -@@ -2520,7 +2520,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -EINVAL; - } - #endif -@@ -2532,7 +2532,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - return -ENOMEM; - } -@@ -2574,7 +2574,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - return -ENOMEM; - } -@@ -2605,7 +2605,7 @@ he_send(struct atm_vcc *vcc, struct sk_buff *skb) - __enqueue_tpd(he_dev, tpd, cid); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -diff --git a/drivers/atm/horizon.c b/drivers/atm/horizon.c -index 527bbd5..96570c8 100644 ---- a/drivers/atm/horizon.c -+++ b/drivers/atm/horizon.c -@@ -1018,7 +1018,7 @@ static void rx_schedule (hrz_dev * dev, int irq) { - { - struct atm_vcc * vcc = ATM_SKB(skb)->vcc; - // VC layer stats -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - __net_timestamp(skb); - // end of our responsibility - vcc->push (vcc, skb); -@@ -1170,7 +1170,7 @@ static void tx_schedule (hrz_dev * const dev, int irq) { - dev->tx_iovec = NULL; - - // VC layer stats -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - // free the skb - hrz_kfree_skb (skb); -diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c -index 074616b..d6b3d5f 100644 ---- a/drivers/atm/idt77252.c -+++ b/drivers/atm/idt77252.c -@@ -811,7 +811,7 @@ drain_scq(struct idt77252_dev *card, struct vc_map *vc) - else - dev_kfree_skb(skb); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - } - - atomic_dec(&scq->used); -@@ -1073,13 +1073,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - if ((sb = dev_alloc_skb(64)) == NULL) { - printk("%s: Can't allocate buffers for aal0.\n", - card->name); -- atomic_add(i, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i, &vcc->stats->rx_drop); - break; - } - if (!atm_charge(vcc, sb->truesize)) { - RXPRINTK("%s: atm_charge() dropped aal0 packets.\n", - card->name); -- atomic_add(i - 1, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop); - dev_kfree_skb(sb); - break; - } -@@ -1096,7 +1096,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - cell += ATM_CELL_PAYLOAD; - } -@@ -1133,13 +1133,13 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - "(CDC: %08x)\n", - card->name, len, rpp->len, readl(SAR_REG_CDC)); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (stat & SAR_RSQE_CRC) { - RXPRINTK("%s: AAL5 CRC error.\n", card->name); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (skb_queue_len(&rpp->queue) > 1) { -@@ -1150,7 +1150,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - RXPRINTK("%s: Can't alloc RX skb.\n", - card->name); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (!atm_charge(vcc, skb->truesize)) { -@@ -1169,7 +1169,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - __net_timestamp(skb); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - return; - } -@@ -1191,7 +1191,7 @@ dequeue_rx(struct idt77252_dev *card, struct rsq_entry *rsqe) - __net_timestamp(skb); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - if (skb->truesize > SAR_FB_SIZE_3) - add_rx_skb(card, 3, SAR_FB_SIZE_3, 1); -@@ -1302,14 +1302,14 @@ idt77252_rx_raw(struct idt77252_dev *card) - if (vcc->qos.aal != ATM_AAL0) { - RPRINTK("%s: raw cell for non AAL0 vc %u.%u\n", - card->name, vpi, vci); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto drop; - } - - if ((sb = dev_alloc_skb(64)) == NULL) { - printk("%s: Can't allocate buffers for AAL0.\n", - card->name); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto drop; - } - -@@ -1328,7 +1328,7 @@ idt77252_rx_raw(struct idt77252_dev *card) - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - drop: - skb_pull(queue, 64); -@@ -1953,13 +1953,13 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam) - - if (vc == NULL) { - printk("%s: NULL connection in send().\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } - if (!test_bit(VCF_TX, &vc->flags)) { - printk("%s: Trying to transmit on a non-tx VC.\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } -@@ -1971,14 +1971,14 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam) - break; - default: - printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } - - if (skb_shinfo(skb)->nr_frags != 0) { - printk("%s: No scatter-gather yet.\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } -@@ -1986,7 +1986,7 @@ idt77252_send_skb(struct atm_vcc *vcc, struct sk_buff *skb, int oam) - - err = queue_skb(card, vc, skb, oam); - if (err) { -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return err; - } -@@ -2009,7 +2009,7 @@ idt77252_send_oam(struct atm_vcc *vcc, void *cell, int flags) - skb = dev_alloc_skb(64); - if (!skb) { - printk("%s: Out of memory in send_oam().\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOMEM; - } - atomic_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc); -diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c -index 924f8e2..3375a3e 100644 ---- a/drivers/atm/iphase.c -+++ b/drivers/atm/iphase.c -@@ -1145,7 +1145,7 @@ static int rx_pkt(struct atm_dev *dev) - status = (u_short) (buf_desc_ptr->desc_mode); - if (status & (RX_CER | RX_PTE | RX_OFL)) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - IF_ERR(printk("IA: bad packet, dropping it");) - if (status & RX_CER) { - IF_ERR(printk(" cause: packet CRC error\n");) -@@ -1168,7 +1168,7 @@ static int rx_pkt(struct atm_dev *dev) - len = dma_addr - buf_addr; - if (len > iadev->rx_buf_sz) { - printk("Over %d bytes sdu received, dropped!!!\n", iadev->rx_buf_sz); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out_free_desc; - } - -@@ -1318,7 +1318,7 @@ static void rx_dle_intr(struct atm_dev *dev) - ia_vcc = INPH_IA_VCC(vcc); - if (ia_vcc == NULL) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - atm_return(vcc, skb->truesize); - dev_kfree_skb_any(skb); - goto INCR_DLE; -@@ -1330,7 +1330,7 @@ static void rx_dle_intr(struct atm_dev *dev) - if ((length > iadev->rx_buf_sz) || (length > - (skb->len - sizeof(struct cpcs_trailer)))) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - IF_ERR(printk("rx_dle_intr: Bad AAL5 trailer %d (skb len %d)", - length, skb->len);) - atm_return(vcc, skb->truesize); -@@ -1346,7 +1346,7 @@ static void rx_dle_intr(struct atm_dev *dev) - - IF_RX(printk("rx_dle_intr: skb push");) - vcc->push(vcc,skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - iadev->rx_pkt_cnt++; - } - INCR_DLE: -@@ -2828,15 +2828,15 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg) - { - struct k_sonet_stats *stats; - stats = &PRIV(_ia_dev[board])->sonet_stats; -- printk("section_bip: %d\n", atomic_read(&stats->section_bip)); -- printk("line_bip : %d\n", atomic_read(&stats->line_bip)); -- printk("path_bip : %d\n", atomic_read(&stats->path_bip)); -- printk("line_febe : %d\n", atomic_read(&stats->line_febe)); -- printk("path_febe : %d\n", atomic_read(&stats->path_febe)); -- printk("corr_hcs : %d\n", atomic_read(&stats->corr_hcs)); -- printk("uncorr_hcs : %d\n", atomic_read(&stats->uncorr_hcs)); -- printk("tx_cells : %d\n", atomic_read(&stats->tx_cells)); -- printk("rx_cells : %d\n", atomic_read(&stats->rx_cells)); -+ printk("section_bip: %d\n", atomic_read_unchecked(&stats->section_bip)); -+ printk("line_bip : %d\n", atomic_read_unchecked(&stats->line_bip)); -+ printk("path_bip : %d\n", atomic_read_unchecked(&stats->path_bip)); -+ printk("line_febe : %d\n", atomic_read_unchecked(&stats->line_febe)); -+ printk("path_febe : %d\n", atomic_read_unchecked(&stats->path_febe)); -+ printk("corr_hcs : %d\n", atomic_read_unchecked(&stats->corr_hcs)); -+ printk("uncorr_hcs : %d\n", atomic_read_unchecked(&stats->uncorr_hcs)); -+ printk("tx_cells : %d\n", atomic_read_unchecked(&stats->tx_cells)); -+ printk("rx_cells : %d\n", atomic_read_unchecked(&stats->rx_cells)); - } - ia_cmds.status = 0; - break; -@@ -2941,7 +2941,7 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) { - if ((desc == 0) || (desc > iadev->num_tx_desc)) - { - IF_ERR(printk(DEV_LABEL "invalid desc for send: %d\n", desc);) -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - if (vcc->pop) - vcc->pop(vcc, skb); - else -@@ -3046,14 +3046,14 @@ static int ia_pkt_tx (struct atm_vcc *vcc, struct sk_buff *skb) { - ATM_DESC(skb) = vcc->vci; - skb_queue_tail(&iadev->tx_dma_q, skb); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - iadev->tx_pkt_cnt++; - /* Increment transaction counter */ - writel(2, iadev->dma+IPHASE5575_TX_COUNTER); - - #if 0 - /* add flow control logic */ -- if (atomic_read(&vcc->stats->tx) % 20 == 0) { -+ if (atomic_read_unchecked(&vcc->stats->tx) % 20 == 0) { - if (iavcc->vc_desc_cnt > 10) { - vcc->tx_quota = vcc->tx_quota * 3 / 4; - printk("Tx1: vcc->tx_quota = %d \n", (u32)vcc->tx_quota ); -diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c -index ce43ae3..969de38 100644 ---- a/drivers/atm/lanai.c -+++ b/drivers/atm/lanai.c -@@ -1295,7 +1295,7 @@ static void lanai_send_one_aal5(struct lanai_dev *lanai, - vcc_tx_add_aal5_trailer(lvcc, skb->len, 0, 0); - lanai_endtx(lanai, lvcc); - lanai_free_skb(lvcc->tx.atmvcc, skb); -- atomic_inc(&lvcc->tx.atmvcc->stats->tx); -+ atomic_inc_unchecked(&lvcc->tx.atmvcc->stats->tx); - } - - /* Try to fill the buffer - don't call unless there is backlog */ -@@ -1418,7 +1418,7 @@ static void vcc_rx_aal5(struct lanai_vcc *lvcc, int endptr) - ATM_SKB(skb)->vcc = lvcc->rx.atmvcc; - __net_timestamp(skb); - lvcc->rx.atmvcc->push(lvcc->rx.atmvcc, skb); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx); - out: - lvcc->rx.buf.ptr = end; - cardvcc_write(lvcc, endptr, vcc_rxreadptr); -@@ -1659,7 +1659,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - DPRINTK("(itf %d) got RX service entry 0x%X for non-AAL5 " - "vcc %d\n", lanai->number, (unsigned int) s, vci); - lanai->stats.service_rxnotaal5++; -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - return 0; - } - if (likely(!(s & (SERVICE_TRASH | SERVICE_STREAM | SERVICE_CRCERR)))) { -@@ -1671,7 +1671,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - int bytes; - read_unlock(&vcc_sklist_lock); - DPRINTK("got trashed rx pdu on vci %d\n", vci); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_trash++; - bytes = (SERVICE_GET_END(s) * 16) - - (((unsigned long) lvcc->rx.buf.ptr) - -@@ -1683,7 +1683,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - } - if (s & SERVICE_STREAM) { - read_unlock(&vcc_sklist_lock); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_stream++; - printk(KERN_ERR DEV_LABEL "(itf %d): Got AAL5 stream " - "PDU on VCI %d!\n", lanai->number, vci); -@@ -1691,7 +1691,7 @@ static int handle_service(struct lanai_dev *lanai, u32 s) - return 0; - } - DPRINTK("got rx crc error on vci %d\n", vci); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_rxcrc++; - lvcc->rx.buf.ptr = &lvcc->rx.buf.start[SERVICE_GET_END(s) * 4]; - cardvcc_write(lvcc, SERVICE_GET_END(s), vcc_rxreadptr); -diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c -index ddc4ceb..36e29aa 100644 ---- a/drivers/atm/nicstar.c -+++ b/drivers/atm/nicstar.c -@@ -1632,7 +1632,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - if ((vc = (vc_map *) vcc->dev_data) == NULL) { - printk("nicstar%d: vcc->dev_data == NULL on ns_send().\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1640,7 +1640,7 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - if (!vc->tx) { - printk("nicstar%d: Trying to transmit on a non-tx VC.\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1648,14 +1648,14 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - if (vcc->qos.aal != ATM_AAL5 && vcc->qos.aal != ATM_AAL0) { - printk("nicstar%d: Only AAL0 and AAL5 are supported.\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } - - if (skb_shinfo(skb)->nr_frags != 0) { - printk("nicstar%d: No scatter-gather yet.\n", card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1703,11 +1703,11 @@ static int ns_send(struct atm_vcc *vcc, struct sk_buff *skb) - } - - if (push_scqe(card, vc, scq, &scqe, skb) != 0) { -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EIO; - } -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -@@ -2024,14 +2024,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - printk - ("nicstar%d: Can't allocate buffers for aal0.\n", - card->index); -- atomic_add(i, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i, &vcc->stats->rx_drop); - break; - } - if (!atm_charge(vcc, sb->truesize)) { - RXPRINTK - ("nicstar%d: atm_charge() dropped aal0 packets.\n", - card->index); -- atomic_add(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */ -+ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */ - dev_kfree_skb_any(sb); - break; - } -@@ -2046,7 +2046,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - cell += ATM_CELL_PAYLOAD; - } - -@@ -2063,7 +2063,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - if (iovb == NULL) { - printk("nicstar%d: Out of iovec buffers.\n", - card->index); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - recycle_rx_buf(card, skb); - return; - } -@@ -2087,7 +2087,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - small or large buffer itself. */ - } else if (NS_PRV_IOVCNT(iovb) >= NS_MAX_IOVECS) { - printk("nicstar%d: received too big AAL5 SDU.\n", card->index); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_MAX_IOVECS); - NS_PRV_IOVCNT(iovb) = 0; -@@ -2107,7 +2107,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ("nicstar%d: Expected a small buffer, and this is not one.\n", - card->index); - which_list(card, skb); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_rx_buf(card, skb); - vc->rx_iov = NULL; - recycle_iov_buf(card, iovb); -@@ -2120,7 +2120,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ("nicstar%d: Expected a large buffer, and this is not one.\n", - card->index); - which_list(card, skb); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_PRV_IOVCNT(iovb)); - vc->rx_iov = NULL; -@@ -2143,7 +2143,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - printk(" - PDU size mismatch.\n"); - else - printk(".\n"); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_PRV_IOVCNT(iovb)); - vc->rx_iov = NULL; -@@ -2157,14 +2157,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - /* skb points to a small buffer */ - if (!atm_charge(vcc, skb->truesize)) { - push_rxbufs(card, skb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - skb_put(skb, len); - dequeue_sm_buf(card, skb); - ATM_SKB(skb)->vcc = vcc; - __net_timestamp(skb); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - } else if (NS_PRV_IOVCNT(iovb) == 2) { /* One small plus one large buffer */ - struct sk_buff *sb; -@@ -2175,14 +2175,14 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - if (len <= NS_SMBUFSIZE) { - if (!atm_charge(vcc, sb->truesize)) { - push_rxbufs(card, sb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - skb_put(sb, len); - dequeue_sm_buf(card, sb); - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - - push_rxbufs(card, skb); -@@ -2191,7 +2191,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - - if (!atm_charge(vcc, skb->truesize)) { - push_rxbufs(card, skb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - dequeue_lg_buf(card, skb); - skb_push(skb, NS_SMBUFSIZE); -@@ -2201,7 +2201,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ATM_SKB(skb)->vcc = vcc; - __net_timestamp(skb); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - - push_rxbufs(card, sb); -@@ -2222,7 +2222,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - printk - ("nicstar%d: Out of huge buffers.\n", - card->index); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - recycle_iovec_rx_bufs(card, - (struct iovec *) - iovb->data, -@@ -2273,7 +2273,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - card->hbpool.count++; - } else - dev_kfree_skb_any(hb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - /* Copy the small buffer to the huge buffer */ - sb = (struct sk_buff *)iov->iov_base; -@@ -2307,7 +2307,7 @@ static void dequeue_rx(ns_dev * card, ns_rsqe * rsqe) - ATM_SKB(hb)->vcc = vcc; - __net_timestamp(hb); - vcc->push(vcc, hb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - } - -diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c -index 74e18b0..f16afa0 100644 ---- a/drivers/atm/solos-pci.c -+++ b/drivers/atm/solos-pci.c -@@ -838,7 +838,7 @@ static void solos_bh(unsigned long card_arg) - } - atm_charge(vcc, skb->truesize); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - break; - - case PKT_STATUS: -@@ -1116,7 +1116,7 @@ static uint32_t fpga_tx(struct solos_card *card) - vcc = SKB_CB(oldskb)->vcc; - - if (vcc) { -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - solos_pop(vcc, oldskb); - } else { - dev_kfree_skb_irq(oldskb); -diff --git a/drivers/atm/suni.c b/drivers/atm/suni.c -index 0215934..ce9f5b1 100644 ---- a/drivers/atm/suni.c -+++ b/drivers/atm/suni.c -@@ -49,8 +49,8 @@ static DEFINE_SPINLOCK(sunis_lock); - - - #define ADD_LIMITED(s,v) \ -- atomic_add((v),&stats->s); \ -- if (atomic_read(&stats->s) < 0) atomic_set(&stats->s,INT_MAX); -+ atomic_add_unchecked((v),&stats->s); \ -+ if (atomic_read_unchecked(&stats->s) < 0) atomic_set_unchecked(&stats->s,INT_MAX); - - - static void suni_hz(unsigned long from_timer) -diff --git a/drivers/atm/uPD98402.c b/drivers/atm/uPD98402.c -index 5120a96..e2572bd 100644 ---- a/drivers/atm/uPD98402.c -+++ b/drivers/atm/uPD98402.c -@@ -42,7 +42,7 @@ static int fetch_stats(struct atm_dev *dev,struct sonet_stats __user *arg,int ze - struct sonet_stats tmp; - int error = 0; - -- atomic_add(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs); -+ atomic_add_unchecked(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs); - sonet_copy_stats(&PRIV(dev)->sonet_stats,&tmp); - if (arg) error = copy_to_user(arg,&tmp,sizeof(tmp)); - if (zero && !error) { -@@ -161,9 +161,9 @@ static int uPD98402_ioctl(struct atm_dev *dev,unsigned int cmd,void __user *arg) - - - #define ADD_LIMITED(s,v) \ -- { atomic_add(GET(v),&PRIV(dev)->sonet_stats.s); \ -- if (atomic_read(&PRIV(dev)->sonet_stats.s) < 0) \ -- atomic_set(&PRIV(dev)->sonet_stats.s,INT_MAX); } -+ { atomic_add_unchecked(GET(v),&PRIV(dev)->sonet_stats.s); \ -+ if (atomic_read_unchecked(&PRIV(dev)->sonet_stats.s) < 0) \ -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.s,INT_MAX); } - - - static void stat_event(struct atm_dev *dev) -@@ -194,7 +194,7 @@ static void uPD98402_int(struct atm_dev *dev) - if (reason & uPD98402_INT_PFM) stat_event(dev); - if (reason & uPD98402_INT_PCO) { - (void) GET(PCOCR); /* clear interrupt cause */ -- atomic_add(GET(HECCT), -+ atomic_add_unchecked(GET(HECCT), - &PRIV(dev)->sonet_stats.uncorr_hcs); - } - if ((reason & uPD98402_INT_RFO) && -@@ -222,9 +222,9 @@ static int uPD98402_start(struct atm_dev *dev) - PUT(~(uPD98402_INT_PFM | uPD98402_INT_ALM | uPD98402_INT_RFO | - uPD98402_INT_LOS),PIMR); /* enable them */ - (void) fetch_stats(dev,NULL,1); /* clear kernel counters */ -- atomic_set(&PRIV(dev)->sonet_stats.corr_hcs,-1); -- atomic_set(&PRIV(dev)->sonet_stats.tx_cells,-1); -- atomic_set(&PRIV(dev)->sonet_stats.rx_cells,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.corr_hcs,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.tx_cells,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.rx_cells,-1); - return 0; - } - -diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c -index cecfb94..87009ec 100644 ---- a/drivers/atm/zatm.c -+++ b/drivers/atm/zatm.c -@@ -459,7 +459,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]); - } - if (!size) { - dev_kfree_skb_irq(skb); -- if (vcc) atomic_inc(&vcc->stats->rx_err); -+ if (vcc) atomic_inc_unchecked(&vcc->stats->rx_err); - continue; - } - if (!atm_charge(vcc,skb->truesize)) { -@@ -469,7 +469,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]); - skb->len = size; - ATM_SKB(skb)->vcc = vcc; - vcc->push(vcc,skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - zout(pos & 0xffff,MTA(mbx)); - #if 0 /* probably a stupid idea */ -@@ -733,7 +733,7 @@ if (*ZATM_PRV_DSC(skb) != (uPD98401_TXPD_V | uPD98401_TXPD_DP | - skb_queue_head(&zatm_vcc->backlog,skb); - break; - } -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - wake_up(&zatm_vcc->tx_wait); - } - -diff --git a/drivers/base/bus.c b/drivers/base/bus.c -index 79bc203..fa3945b 100644 ---- a/drivers/base/bus.c -+++ b/drivers/base/bus.c -@@ -1126,7 +1126,7 @@ int subsys_interface_register(struct subsys_interface *sif) - return -EINVAL; - - mutex_lock(&subsys->p->mutex); -- list_add_tail(&sif->node, &subsys->p->interfaces); -+ pax_list_add_tail((struct list_head *)&sif->node, &subsys->p->interfaces); - if (sif->add_dev) { - subsys_dev_iter_init(&iter, subsys, NULL, NULL); - while ((dev = subsys_dev_iter_next(&iter))) -@@ -1151,7 +1151,7 @@ void subsys_interface_unregister(struct subsys_interface *sif) - subsys = sif->subsys; - - mutex_lock(&subsys->p->mutex); -- list_del_init(&sif->node); -+ pax_list_del_init((struct list_head *)&sif->node); - if (sif->remove_dev) { - subsys_dev_iter_init(&iter, subsys, NULL, NULL); - while ((dev = subsys_dev_iter_next(&iter))) -diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c -index 68f0314..ca2a609 100644 ---- a/drivers/base/devtmpfs.c -+++ b/drivers/base/devtmpfs.c -@@ -354,7 +354,7 @@ int devtmpfs_mount(const char *mntdir) - if (!thread) - return 0; - -- err = sys_mount("devtmpfs", (char *)mntdir, "devtmpfs", MS_SILENT, NULL); -+ err = sys_mount((char __force_user *)"devtmpfs", (char __force_user *)mntdir, (char __force_user *)"devtmpfs", MS_SILENT, NULL); - if (err) - printk(KERN_INFO "devtmpfs: error mounting %i\n", err); - else -@@ -380,11 +380,11 @@ static int devtmpfsd(void *p) - *err = sys_unshare(CLONE_NEWNS); - if (*err) - goto out; -- *err = sys_mount("devtmpfs", "/", "devtmpfs", MS_SILENT, options); -+ *err = sys_mount((char __force_user *)"devtmpfs", (char __force_user *)"/", (char __force_user *)"devtmpfs", MS_SILENT, (char __force_user *)options); - if (*err) - goto out; -- sys_chdir("/.."); /* will traverse into overmounted root */ -- sys_chroot("."); -+ sys_chdir((char __force_user *)"/.."); /* will traverse into overmounted root */ -+ sys_chroot((char __force_user *)"."); - complete(&setup_done); - while (1) { - spin_lock(&req_lock); -diff --git a/drivers/base/node.c b/drivers/base/node.c -index a2aa65b..8831326 100644 ---- a/drivers/base/node.c -+++ b/drivers/base/node.c -@@ -613,7 +613,7 @@ static ssize_t print_nodes_state(enum node_states state, char *buf) - struct node_attr { - struct device_attribute attr; - enum node_states state; --}; -+} __do_const; - - static ssize_t show_node_state(struct device *dev, - struct device_attribute *attr, char *buf) -diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c -index 2327613..211d7f5 100644 ---- a/drivers/base/power/domain.c -+++ b/drivers/base/power/domain.c -@@ -1725,7 +1725,7 @@ int pm_genpd_attach_cpuidle(struct generic_pm_domain *genpd, int state) - { - struct cpuidle_driver *cpuidle_drv; - struct gpd_cpuidle_data *cpuidle_data; -- struct cpuidle_state *idle_state; -+ cpuidle_state_no_const *idle_state; - int ret = 0; - - if (IS_ERR_OR_NULL(genpd) || state < 0) -@@ -1793,7 +1793,7 @@ int pm_genpd_name_attach_cpuidle(const char *name, int state) - int pm_genpd_detach_cpuidle(struct generic_pm_domain *genpd) - { - struct gpd_cpuidle_data *cpuidle_data; -- struct cpuidle_state *idle_state; -+ cpuidle_state_no_const *idle_state; - int ret = 0; - - if (IS_ERR_OR_NULL(genpd)) -@@ -2222,8 +2222,11 @@ int genpd_dev_pm_attach(struct device *dev) - return ret; - } - -- dev->pm_domain->detach = genpd_dev_pm_detach; -- dev->pm_domain->sync = genpd_dev_pm_sync; -+ pax_open_kernel(); -+ *(void **)&dev->pm_domain->detach = genpd_dev_pm_detach; -+ *(void **)&dev->pm_domain->sync = genpd_dev_pm_sync; -+ pax_close_kernel(); -+ - pm_genpd_poweron(pd); - - return 0; -diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c -index d2be3f9..0a3167a 100644 ---- a/drivers/base/power/sysfs.c -+++ b/drivers/base/power/sysfs.c -@@ -181,7 +181,7 @@ static ssize_t rtpm_status_show(struct device *dev, - return -EIO; - } - } -- return sprintf(buf, p); -+ return sprintf(buf, "%s", p); - } - - static DEVICE_ATTR(runtime_status, 0444, rtpm_status_show, NULL); -diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c -index 7726200..a417da7 100644 ---- a/drivers/base/power/wakeup.c -+++ b/drivers/base/power/wakeup.c -@@ -32,14 +32,14 @@ static bool pm_abort_suspend __read_mostly; - * They need to be modified together atomically, so it's better to use one - * atomic variable to hold them both. - */ --static atomic_t combined_event_count = ATOMIC_INIT(0); -+static atomic_unchecked_t combined_event_count = ATOMIC_INIT(0); - - #define IN_PROGRESS_BITS (sizeof(int) * 4) - #define MAX_IN_PROGRESS ((1 << IN_PROGRESS_BITS) - 1) - - static void split_counters(unsigned int *cnt, unsigned int *inpr) - { -- unsigned int comb = atomic_read(&combined_event_count); -+ unsigned int comb = atomic_read_unchecked(&combined_event_count); - - *cnt = (comb >> IN_PROGRESS_BITS); - *inpr = comb & MAX_IN_PROGRESS; -@@ -404,7 +404,7 @@ static void wakeup_source_activate(struct wakeup_source *ws) - ws->start_prevent_time = ws->last_time; - - /* Increment the counter of events in progress. */ -- cec = atomic_inc_return(&combined_event_count); -+ cec = atomic_inc_return_unchecked(&combined_event_count); - - trace_wakeup_source_activate(ws->name, cec); - } -@@ -530,7 +530,7 @@ static void wakeup_source_deactivate(struct wakeup_source *ws) - * Increment the counter of registered wakeup events and decrement the - * couter of wakeup events in progress simultaneously. - */ -- cec = atomic_add_return(MAX_IN_PROGRESS, &combined_event_count); -+ cec = atomic_add_return_unchecked(MAX_IN_PROGRESS, &combined_event_count); - trace_wakeup_source_deactivate(ws->name, cec); - - split_counters(&cnt, &inpr); -diff --git a/drivers/base/syscore.c b/drivers/base/syscore.c -index 8d98a32..61d3165 100644 ---- a/drivers/base/syscore.c -+++ b/drivers/base/syscore.c -@@ -22,7 +22,7 @@ static DEFINE_MUTEX(syscore_ops_lock); - void register_syscore_ops(struct syscore_ops *ops) - { - mutex_lock(&syscore_ops_lock); -- list_add_tail(&ops->node, &syscore_ops_list); -+ pax_list_add_tail((struct list_head *)&ops->node, &syscore_ops_list); - mutex_unlock(&syscore_ops_lock); - } - EXPORT_SYMBOL_GPL(register_syscore_ops); -@@ -34,7 +34,7 @@ EXPORT_SYMBOL_GPL(register_syscore_ops); - void unregister_syscore_ops(struct syscore_ops *ops) - { - mutex_lock(&syscore_ops_lock); -- list_del(&ops->node); -+ pax_list_del((struct list_head *)&ops->node); - mutex_unlock(&syscore_ops_lock); - } - EXPORT_SYMBOL_GPL(unregister_syscore_ops); -diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c -index ff20f19..018f1da 100644 ---- a/drivers/block/cciss.c -+++ b/drivers/block/cciss.c -@@ -3008,7 +3008,7 @@ static void start_io(ctlr_info_t *h) - while (!list_empty(&h->reqQ)) { - c = list_entry(h->reqQ.next, CommandList_struct, list); - /* can't do anything if fifo is full */ -- if ((h->access.fifo_full(h))) { -+ if ((h->access->fifo_full(h))) { - dev_warn(&h->pdev->dev, "fifo full\n"); - break; - } -@@ -3018,7 +3018,7 @@ static void start_io(ctlr_info_t *h) - h->Qdepth--; - - /* Tell the controller execute command */ -- h->access.submit_command(h, c); -+ h->access->submit_command(h, c); - - /* Put job onto the completed Q */ - addQ(&h->cmpQ, c); -@@ -3444,17 +3444,17 @@ startio: - - static inline unsigned long get_next_completion(ctlr_info_t *h) - { -- return h->access.command_completed(h); -+ return h->access->command_completed(h); - } - - static inline int interrupt_pending(ctlr_info_t *h) - { -- return h->access.intr_pending(h); -+ return h->access->intr_pending(h); - } - - static inline long interrupt_not_for_us(ctlr_info_t *h) - { -- return ((h->access.intr_pending(h) == 0) || -+ return ((h->access->intr_pending(h) == 0) || - (h->interrupts_enabled == 0)); - } - -@@ -3487,7 +3487,7 @@ static inline u32 next_command(ctlr_info_t *h) - u32 a; - - if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant))) -- return h->access.command_completed(h); -+ return h->access->command_completed(h); - - if ((*(h->reply_pool_head) & 1) == (h->reply_pool_wraparound)) { - a = *(h->reply_pool_head); /* Next cmd in ring buffer */ -@@ -4044,7 +4044,7 @@ static void cciss_put_controller_into_performant_mode(ctlr_info_t *h) - trans_support & CFGTBL_Trans_use_short_tags); - - /* Change the access methods to the performant access methods */ -- h->access = SA5_performant_access; -+ h->access = &SA5_performant_access; - h->transMethod = CFGTBL_Trans_Performant; - - return; -@@ -4318,7 +4318,7 @@ static int cciss_pci_init(ctlr_info_t *h) - if (prod_index < 0) - return -ENODEV; - h->product_name = products[prod_index].product_name; -- h->access = *(products[prod_index].access); -+ h->access = products[prod_index].access; - - if (cciss_board_disabled(h)) { - dev_warn(&h->pdev->dev, "controller appears to be disabled\n"); -@@ -5050,7 +5050,7 @@ reinit_after_soft_reset: - } - - /* make sure the board interrupts are off */ -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - rc = cciss_request_irq(h, do_cciss_msix_intr, do_cciss_intx); - if (rc) - goto clean2; -@@ -5100,7 +5100,7 @@ reinit_after_soft_reset: - * fake ones to scoop up any residual completions. - */ - spin_lock_irqsave(&h->lock, flags); -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - spin_unlock_irqrestore(&h->lock, flags); - free_irq(h->intr[h->intr_mode], h); - rc = cciss_request_irq(h, cciss_msix_discard_completions, -@@ -5120,9 +5120,9 @@ reinit_after_soft_reset: - dev_info(&h->pdev->dev, "Board READY.\n"); - dev_info(&h->pdev->dev, - "Waiting for stale completions to drain.\n"); -- h->access.set_intr_mask(h, CCISS_INTR_ON); -+ h->access->set_intr_mask(h, CCISS_INTR_ON); - msleep(10000); -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - - rc = controller_reset_failed(h->cfgtable); - if (rc) -@@ -5145,7 +5145,7 @@ reinit_after_soft_reset: - cciss_scsi_setup(h); - - /* Turn the interrupts on so we can service requests */ -- h->access.set_intr_mask(h, CCISS_INTR_ON); -+ h->access->set_intr_mask(h, CCISS_INTR_ON); - - /* Get the firmware version */ - inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL); -@@ -5217,7 +5217,7 @@ static void cciss_shutdown(struct pci_dev *pdev) - kfree(flush_buf); - if (return_code != IO_OK) - dev_warn(&h->pdev->dev, "Error flushing cache\n"); -- h->access.set_intr_mask(h, CCISS_INTR_OFF); -+ h->access->set_intr_mask(h, CCISS_INTR_OFF); - free_irq(h->intr[h->intr_mode], h); - } - -diff --git a/drivers/block/cciss.h b/drivers/block/cciss.h -index 7fda30e..2f27946 100644 ---- a/drivers/block/cciss.h -+++ b/drivers/block/cciss.h -@@ -101,7 +101,7 @@ struct ctlr_info - /* information about each logical volume */ - drive_info_struct *drv[CISS_MAX_LUN]; - -- struct access_method access; -+ struct access_method *access; - - /* queue and queue Info */ - struct list_head reqQ; -@@ -402,27 +402,27 @@ static bool SA5_performant_intr_pending(ctlr_info_t *h) - } - - static struct access_method SA5_access = { -- SA5_submit_command, -- SA5_intr_mask, -- SA5_fifo_full, -- SA5_intr_pending, -- SA5_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_intr_mask, -+ .fifo_full = SA5_fifo_full, -+ .intr_pending = SA5_intr_pending, -+ .command_completed = SA5_completed, - }; - - static struct access_method SA5B_access = { -- SA5_submit_command, -- SA5B_intr_mask, -- SA5_fifo_full, -- SA5B_intr_pending, -- SA5_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5B_intr_mask, -+ .fifo_full = SA5_fifo_full, -+ .intr_pending = SA5B_intr_pending, -+ .command_completed = SA5_completed, - }; - - static struct access_method SA5_performant_access = { -- SA5_submit_command, -- SA5_performant_intr_mask, -- SA5_fifo_full, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .fifo_full = SA5_fifo_full, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - struct board_type { -diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c -index f749df9..5f8b9c4 100644 ---- a/drivers/block/cpqarray.c -+++ b/drivers/block/cpqarray.c -@@ -404,7 +404,7 @@ static int cpqarray_register_ctlr(int i, struct pci_dev *pdev) - if (register_blkdev(COMPAQ_SMART2_MAJOR+i, hba[i]->devname)) { - goto Enomem4; - } -- hba[i]->access.set_intr_mask(hba[i], 0); -+ hba[i]->access->set_intr_mask(hba[i], 0); - if (request_irq(hba[i]->intr, do_ida_intr, IRQF_SHARED, - hba[i]->devname, hba[i])) - { -@@ -459,7 +459,7 @@ static int cpqarray_register_ctlr(int i, struct pci_dev *pdev) - add_timer(&hba[i]->timer); - - /* Enable IRQ now that spinlock and rate limit timer are set up */ -- hba[i]->access.set_intr_mask(hba[i], FIFO_NOT_EMPTY); -+ hba[i]->access->set_intr_mask(hba[i], FIFO_NOT_EMPTY); - - for(j=0; j<NWD; j++) { - struct gendisk *disk = ida_gendisk[i][j]; -@@ -694,7 +694,7 @@ DBGINFO( - for(i=0; i<NR_PRODUCTS; i++) { - if (board_id == products[i].board_id) { - c->product_name = products[i].product_name; -- c->access = *(products[i].access); -+ c->access = products[i].access; - break; - } - } -@@ -792,7 +792,7 @@ static int cpqarray_eisa_detect(void) - hba[ctlr]->intr = intr; - sprintf(hba[ctlr]->devname, "ida%d", nr_ctlr); - hba[ctlr]->product_name = products[j].product_name; -- hba[ctlr]->access = *(products[j].access); -+ hba[ctlr]->access = products[j].access; - hba[ctlr]->ctlr = ctlr; - hba[ctlr]->board_id = board_id; - hba[ctlr]->pci_dev = NULL; /* not PCI */ -@@ -978,7 +978,7 @@ static void start_io(ctlr_info_t *h) - - while((c = h->reqQ) != NULL) { - /* Can't do anything if we're busy */ -- if (h->access.fifo_full(h) == 0) -+ if (h->access->fifo_full(h) == 0) - return; - - /* Get the first entry from the request Q */ -@@ -986,7 +986,7 @@ static void start_io(ctlr_info_t *h) - h->Qdepth--; - - /* Tell the controller to do our bidding */ -- h->access.submit_command(h, c); -+ h->access->submit_command(h, c); - - /* Get onto the completion Q */ - addQ(&h->cmpQ, c); -@@ -1048,7 +1048,7 @@ static irqreturn_t do_ida_intr(int irq, void *dev_id) - unsigned long flags; - __u32 a,a1; - -- istat = h->access.intr_pending(h); -+ istat = h->access->intr_pending(h); - /* Is this interrupt for us? */ - if (istat == 0) - return IRQ_NONE; -@@ -1059,7 +1059,7 @@ static irqreturn_t do_ida_intr(int irq, void *dev_id) - */ - spin_lock_irqsave(IDA_LOCK(h->ctlr), flags); - if (istat & FIFO_NOT_EMPTY) { -- while((a = h->access.command_completed(h))) { -+ while((a = h->access->command_completed(h))) { - a1 = a; a &= ~3; - if ((c = h->cmpQ) == NULL) - { -@@ -1448,11 +1448,11 @@ static int sendcmd( - /* - * Disable interrupt - */ -- info_p->access.set_intr_mask(info_p, 0); -+ info_p->access->set_intr_mask(info_p, 0); - /* Make sure there is room in the command FIFO */ - /* Actually it should be completely empty at this time. */ - for (i = 200000; i > 0; i--) { -- temp = info_p->access.fifo_full(info_p); -+ temp = info_p->access->fifo_full(info_p); - if (temp != 0) { - break; - } -@@ -1465,7 +1465,7 @@ DBG( - /* - * Send the cmd - */ -- info_p->access.submit_command(info_p, c); -+ info_p->access->submit_command(info_p, c); - complete = pollcomplete(ctlr); - - pci_unmap_single(info_p->pci_dev, (dma_addr_t) c->req.sg[0].addr, -@@ -1548,9 +1548,9 @@ static int revalidate_allvol(ctlr_info_t *host) - * we check the new geometry. Then turn interrupts back on when - * we're done. - */ -- host->access.set_intr_mask(host, 0); -+ host->access->set_intr_mask(host, 0); - getgeometry(ctlr); -- host->access.set_intr_mask(host, FIFO_NOT_EMPTY); -+ host->access->set_intr_mask(host, FIFO_NOT_EMPTY); - - for(i=0; i<NWD; i++) { - struct gendisk *disk = ida_gendisk[ctlr][i]; -@@ -1590,7 +1590,7 @@ static int pollcomplete(int ctlr) - /* Wait (up to 2 seconds) for a command to complete */ - - for (i = 200000; i > 0; i--) { -- done = hba[ctlr]->access.command_completed(hba[ctlr]); -+ done = hba[ctlr]->access->command_completed(hba[ctlr]); - if (done == 0) { - udelay(10); /* a short fixed delay */ - } else -diff --git a/drivers/block/cpqarray.h b/drivers/block/cpqarray.h -index be73e9d..7fbf140 100644 ---- a/drivers/block/cpqarray.h -+++ b/drivers/block/cpqarray.h -@@ -99,7 +99,7 @@ struct ctlr_info { - drv_info_t drv[NWD]; - struct proc_dir_entry *proc; - -- struct access_method access; -+ struct access_method *access; - - cmdlist_t *reqQ; - cmdlist_t *cmpQ; -diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c -index 434c77d..6d3219a 100644 ---- a/drivers/block/drbd/drbd_bitmap.c -+++ b/drivers/block/drbd/drbd_bitmap.c -@@ -1036,7 +1036,7 @@ static void bm_page_io_async(struct drbd_bm_aio_ctx *ctx, int page_nr) __must_ho - submit_bio(rw, bio); - /* this should not count as user activity and cause the - * resync to throttle -- see drbd_rs_should_slow_down(). */ -- atomic_add(len >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(len >> 9, &device->rs_sect_ev); - } - } - -diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h -index b905e98..0812ed8 100644 ---- a/drivers/block/drbd/drbd_int.h -+++ b/drivers/block/drbd/drbd_int.h -@@ -385,7 +385,7 @@ struct drbd_epoch { - struct drbd_connection *connection; - struct list_head list; - unsigned int barrier_nr; -- atomic_t epoch_size; /* increased on every request added. */ -+ atomic_unchecked_t epoch_size; /* increased on every request added. */ - atomic_t active; /* increased on every req. added, and dec on every finished. */ - unsigned long flags; - }; -@@ -946,7 +946,7 @@ struct drbd_device { - unsigned int al_tr_number; - int al_tr_cycle; - wait_queue_head_t seq_wait; -- atomic_t packet_seq; -+ atomic_unchecked_t packet_seq; - unsigned int peer_seq; - spinlock_t peer_seq_lock; - unsigned long comm_bm_set; /* communicated number of set bits. */ -@@ -955,8 +955,8 @@ struct drbd_device { - struct mutex own_state_mutex; - struct mutex *state_mutex; /* either own_state_mutex or first_peer_device(device)->connection->cstate_mutex */ - char congestion_reason; /* Why we where congested... */ -- atomic_t rs_sect_in; /* for incoming resync data rate, SyncTarget */ -- atomic_t rs_sect_ev; /* for submitted resync data rate, both */ -+ atomic_unchecked_t rs_sect_in; /* for incoming resync data rate, SyncTarget */ -+ atomic_unchecked_t rs_sect_ev; /* for submitted resync data rate, both */ - int rs_last_sect_ev; /* counter to compare with */ - int rs_last_events; /* counter of read or write "events" (unit sectors) - * on the lower level device when we last looked. */ -diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c -index 81fde9e..9948c05 100644 ---- a/drivers/block/drbd/drbd_main.c -+++ b/drivers/block/drbd/drbd_main.c -@@ -1328,7 +1328,7 @@ static int _drbd_send_ack(struct drbd_peer_device *peer_device, enum drbd_packet - p->sector = sector; - p->block_id = block_id; - p->blksize = blksize; -- p->seq_num = cpu_to_be32(atomic_inc_return(&peer_device->device->packet_seq)); -+ p->seq_num = cpu_to_be32(atomic_inc_return_unchecked(&peer_device->device->packet_seq)); - return drbd_send_command(peer_device, sock, cmd, sizeof(*p), NULL, 0); - } - -@@ -1634,7 +1634,7 @@ int drbd_send_dblock(struct drbd_peer_device *peer_device, struct drbd_request * - return -EIO; - p->sector = cpu_to_be64(req->i.sector); - p->block_id = (unsigned long)req; -- p->seq_num = cpu_to_be32(atomic_inc_return(&device->packet_seq)); -+ p->seq_num = cpu_to_be32(atomic_inc_return_unchecked(&device->packet_seq)); - dp_flags = bio_flags_to_wire(peer_device->connection, req->master_bio->bi_rw); - if (device->state.conn >= C_SYNC_SOURCE && - device->state.conn <= C_PAUSED_SYNC_T) -@@ -1915,8 +1915,8 @@ void drbd_init_set_defaults(struct drbd_device *device) - atomic_set(&device->unacked_cnt, 0); - atomic_set(&device->local_cnt, 0); - atomic_set(&device->pp_in_use_by_net, 0); -- atomic_set(&device->rs_sect_in, 0); -- atomic_set(&device->rs_sect_ev, 0); -+ atomic_set_unchecked(&device->rs_sect_in, 0); -+ atomic_set_unchecked(&device->rs_sect_ev, 0); - atomic_set(&device->ap_in_flight, 0); - atomic_set(&device->md_io.in_use, 0); - -@@ -2683,8 +2683,8 @@ void drbd_destroy_connection(struct kref *kref) - struct drbd_connection *connection = container_of(kref, struct drbd_connection, kref); - struct drbd_resource *resource = connection->resource; - -- if (atomic_read(&connection->current_epoch->epoch_size) != 0) -- drbd_err(connection, "epoch_size:%d\n", atomic_read(&connection->current_epoch->epoch_size)); -+ if (atomic_read_unchecked(&connection->current_epoch->epoch_size) != 0) -+ drbd_err(connection, "epoch_size:%d\n", atomic_read_unchecked(&connection->current_epoch->epoch_size)); - kfree(connection->current_epoch); - - idr_destroy(&connection->peer_devices); -diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c -index 74df8cf..e41fc24 100644 ---- a/drivers/block/drbd/drbd_nl.c -+++ b/drivers/block/drbd/drbd_nl.c -@@ -3637,13 +3637,13 @@ finish: - - void drbd_bcast_event(struct drbd_device *device, const struct sib_info *sib) - { -- static atomic_t drbd_genl_seq = ATOMIC_INIT(2); /* two. */ -+ static atomic_unchecked_t drbd_genl_seq = ATOMIC_INIT(2); /* two. */ - struct sk_buff *msg; - struct drbd_genlmsghdr *d_out; - unsigned seq; - int err = -ENOMEM; - -- seq = atomic_inc_return(&drbd_genl_seq); -+ seq = atomic_inc_return_unchecked(&drbd_genl_seq); - msg = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO); - if (!msg) - goto failed; -diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c -index cee2035..22f66bd 100644 ---- a/drivers/block/drbd/drbd_receiver.c -+++ b/drivers/block/drbd/drbd_receiver.c -@@ -870,7 +870,7 @@ int drbd_connected(struct drbd_peer_device *peer_device) - struct drbd_device *device = peer_device->device; - int err; - -- atomic_set(&device->packet_seq, 0); -+ atomic_set_unchecked(&device->packet_seq, 0); - device->peer_seq = 0; - - device->state_mutex = peer_device->connection->agreed_pro_version < 100 ? -@@ -1233,7 +1233,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_connection *connectio - do { - next_epoch = NULL; - -- epoch_size = atomic_read(&epoch->epoch_size); -+ epoch_size = atomic_read_unchecked(&epoch->epoch_size); - - switch (ev & ~EV_CLEANUP) { - case EV_PUT: -@@ -1273,7 +1273,7 @@ static enum finish_epoch drbd_may_finish_epoch(struct drbd_connection *connectio - rv = FE_DESTROYED; - } else { - epoch->flags = 0; -- atomic_set(&epoch->epoch_size, 0); -+ atomic_set_unchecked(&epoch->epoch_size, 0); - /* atomic_set(&epoch->active, 0); is already zero */ - if (rv == FE_STILL_LIVE) - rv = FE_RECYCLED; -@@ -1550,7 +1550,7 @@ static int receive_Barrier(struct drbd_connection *connection, struct packet_inf - conn_wait_active_ee_empty(connection); - drbd_flush(connection); - -- if (atomic_read(&connection->current_epoch->epoch_size)) { -+ if (atomic_read_unchecked(&connection->current_epoch->epoch_size)) { - epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); - if (epoch) - break; -@@ -1564,11 +1564,11 @@ static int receive_Barrier(struct drbd_connection *connection, struct packet_inf - } - - epoch->flags = 0; -- atomic_set(&epoch->epoch_size, 0); -+ atomic_set_unchecked(&epoch->epoch_size, 0); - atomic_set(&epoch->active, 0); - - spin_lock(&connection->epoch_lock); -- if (atomic_read(&connection->current_epoch->epoch_size)) { -+ if (atomic_read_unchecked(&connection->current_epoch->epoch_size)) { - list_add(&epoch->list, &connection->current_epoch->list); - connection->current_epoch = epoch; - connection->epochs++; -@@ -1802,7 +1802,7 @@ static int recv_resync_read(struct drbd_peer_device *peer_device, sector_t secto - list_add_tail(&peer_req->w.list, &device->sync_ee); - spin_unlock_irq(&device->resource->req_lock); - -- atomic_add(pi->size >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(pi->size >> 9, &device->rs_sect_ev); - if (drbd_submit_peer_request(device, peer_req, WRITE, DRBD_FAULT_RS_WR) == 0) - return 0; - -@@ -1900,7 +1900,7 @@ static int receive_RSDataReply(struct drbd_connection *connection, struct packet - drbd_send_ack_dp(peer_device, P_NEG_ACK, p, pi->size); - } - -- atomic_add(pi->size >> 9, &device->rs_sect_in); -+ atomic_add_unchecked(pi->size >> 9, &device->rs_sect_in); - - return err; - } -@@ -2290,7 +2290,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * - - err = wait_for_and_update_peer_seq(peer_device, peer_seq); - drbd_send_ack_dp(peer_device, P_NEG_ACK, p, pi->size); -- atomic_inc(&connection->current_epoch->epoch_size); -+ atomic_inc_unchecked(&connection->current_epoch->epoch_size); - err2 = drbd_drain_block(peer_device, pi->size); - if (!err) - err = err2; -@@ -2334,7 +2334,7 @@ static int receive_Data(struct drbd_connection *connection, struct packet_info * - - spin_lock(&connection->epoch_lock); - peer_req->epoch = connection->current_epoch; -- atomic_inc(&peer_req->epoch->epoch_size); -+ atomic_inc_unchecked(&peer_req->epoch->epoch_size); - atomic_inc(&peer_req->epoch->active); - spin_unlock(&connection->epoch_lock); - -@@ -2479,7 +2479,7 @@ bool drbd_rs_c_min_rate_throttle(struct drbd_device *device) - - curr_events = (int)part_stat_read(&disk->part0, sectors[0]) + - (int)part_stat_read(&disk->part0, sectors[1]) - -- atomic_read(&device->rs_sect_ev); -+ atomic_read_unchecked(&device->rs_sect_ev); - - if (atomic_read(&device->ap_actlog_cnt) - || curr_events - device->rs_last_events > 64) { -@@ -2618,7 +2618,7 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet - device->use_csums = true; - } else if (pi->cmd == P_OV_REPLY) { - /* track progress, we may need to throttle */ -- atomic_add(size >> 9, &device->rs_sect_in); -+ atomic_add_unchecked(size >> 9, &device->rs_sect_in); - peer_req->w.cb = w_e_end_ov_reply; - dec_rs_pending(device); - /* drbd_rs_begin_io done when we sent this request, -@@ -2691,7 +2691,7 @@ static int receive_DataRequest(struct drbd_connection *connection, struct packet - goto out_free_e; - - submit_for_resync: -- atomic_add(size >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(size >> 9, &device->rs_sect_ev); - - submit: - update_receiver_timing_details(connection, drbd_submit_peer_request); -@@ -4564,7 +4564,7 @@ struct data_cmd { - int expect_payload; - size_t pkt_size; - int (*fn)(struct drbd_connection *, struct packet_info *); --}; -+} __do_const; - - static struct data_cmd drbd_cmd_handler[] = { - [P_DATA] = { 1, sizeof(struct p_data), receive_Data }, -@@ -4678,7 +4678,7 @@ static void conn_disconnect(struct drbd_connection *connection) - if (!list_empty(&connection->current_epoch->list)) - drbd_err(connection, "ASSERTION FAILED: connection->current_epoch->list not empty\n"); - /* ok, no more ee's on the fly, it is safe to reset the epoch_size */ -- atomic_set(&connection->current_epoch->epoch_size, 0); -+ atomic_set_unchecked(&connection->current_epoch->epoch_size, 0); - connection->send.seen_any_write_yet = false; - - drbd_info(connection, "Connection closed\n"); -@@ -5182,7 +5182,7 @@ static int got_IsInSync(struct drbd_connection *connection, struct packet_info * - put_ldev(device); - } - dec_rs_pending(device); -- atomic_add(blksize >> 9, &device->rs_sect_in); -+ atomic_add_unchecked(blksize >> 9, &device->rs_sect_in); - - return 0; - } -@@ -5470,7 +5470,7 @@ static int connection_finish_peer_reqs(struct drbd_connection *connection) - struct asender_cmd { - size_t pkt_size; - int (*fn)(struct drbd_connection *connection, struct packet_info *); --}; -+} __do_const; - - static struct asender_cmd asender_tbl[] = { - [P_PING] = { 0, got_Ping }, -diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c -index d0fae55..4469096 100644 ---- a/drivers/block/drbd/drbd_worker.c -+++ b/drivers/block/drbd/drbd_worker.c -@@ -408,7 +408,7 @@ static int read_for_csum(struct drbd_peer_device *peer_device, sector_t sector, - list_add_tail(&peer_req->w.list, &device->read_ee); - spin_unlock_irq(&device->resource->req_lock); - -- atomic_add(size >> 9, &device->rs_sect_ev); -+ atomic_add_unchecked(size >> 9, &device->rs_sect_ev); - if (drbd_submit_peer_request(device, peer_req, READ, DRBD_FAULT_RS_RD) == 0) - return 0; - -@@ -553,7 +553,7 @@ static int drbd_rs_number_requests(struct drbd_device *device) - unsigned int sect_in; /* Number of sectors that came in since the last turn */ - int number, mxb; - -- sect_in = atomic_xchg(&device->rs_sect_in, 0); -+ sect_in = atomic_xchg_unchecked(&device->rs_sect_in, 0); - device->rs_in_flight -= sect_in; - - rcu_read_lock(); -@@ -1595,8 +1595,8 @@ void drbd_rs_controller_reset(struct drbd_device *device) - struct gendisk *disk = device->ldev->backing_bdev->bd_contains->bd_disk; - struct fifo_buffer *plan; - -- atomic_set(&device->rs_sect_in, 0); -- atomic_set(&device->rs_sect_ev, 0); -+ atomic_set_unchecked(&device->rs_sect_in, 0); -+ atomic_set_unchecked(&device->rs_sect_ev, 0); - device->rs_in_flight = 0; - device->rs_last_events = - (int)part_stat_read(&disk->part0, sectors[0]) + -diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c -index 09e628da..7607aaa 100644 ---- a/drivers/block/pktcdvd.c -+++ b/drivers/block/pktcdvd.c -@@ -108,7 +108,7 @@ static int pkt_seq_show(struct seq_file *m, void *p); - - static sector_t get_zone(sector_t sector, struct pktcdvd_device *pd) - { -- return (sector + pd->offset) & ~(sector_t)(pd->settings.size - 1); -+ return (sector + pd->offset) & ~(sector_t)(pd->settings.size - 1UL); - } - - /* -@@ -1890,7 +1890,7 @@ static noinline_for_stack int pkt_probe_settings(struct pktcdvd_device *pd) - return -EROFS; - } - pd->settings.fp = ti.fp; -- pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1); -+ pd->offset = (be32_to_cpu(ti.track_start) << 2) & (pd->settings.size - 1UL); - - if (ti.nwa_v) { - pd->nwa = be32_to_cpu(ti.next_writable); -diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c -index 010ce0b..7c0049e 100644 ---- a/drivers/block/rbd.c -+++ b/drivers/block/rbd.c -@@ -64,7 +64,7 @@ - * If the counter is already at its maximum value returns - * -EINVAL without updating it. - */ --static int atomic_inc_return_safe(atomic_t *v) -+static int __intentional_overflow(-1) atomic_inc_return_safe(atomic_t *v) - { - unsigned int counter; - -diff --git a/drivers/block/smart1,2.h b/drivers/block/smart1,2.h -index e5565fb..71be10b4 100644 ---- a/drivers/block/smart1,2.h -+++ b/drivers/block/smart1,2.h -@@ -108,11 +108,11 @@ static unsigned long smart4_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart4_access = { -- smart4_submit_command, -- smart4_intr_mask, -- smart4_fifo_full, -- smart4_intr_pending, -- smart4_completed, -+ .submit_command = smart4_submit_command, -+ .set_intr_mask = smart4_intr_mask, -+ .fifo_full = smart4_fifo_full, -+ .intr_pending = smart4_intr_pending, -+ .command_completed = smart4_completed, - }; - - /* -@@ -144,11 +144,11 @@ static unsigned long smart2_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart2_access = { -- smart2_submit_command, -- smart2_intr_mask, -- smart2_fifo_full, -- smart2_intr_pending, -- smart2_completed, -+ .submit_command = smart2_submit_command, -+ .set_intr_mask = smart2_intr_mask, -+ .fifo_full = smart2_fifo_full, -+ .intr_pending = smart2_intr_pending, -+ .command_completed = smart2_completed, - }; - - /* -@@ -180,11 +180,11 @@ static unsigned long smart2e_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart2e_access = { -- smart2e_submit_command, -- smart2e_intr_mask, -- smart2e_fifo_full, -- smart2e_intr_pending, -- smart2e_completed, -+ .submit_command = smart2e_submit_command, -+ .set_intr_mask = smart2e_intr_mask, -+ .fifo_full = smart2e_fifo_full, -+ .intr_pending = smart2e_intr_pending, -+ .command_completed = smart2e_completed, - }; - - /* -@@ -270,9 +270,9 @@ static unsigned long smart1_intr_pending(ctlr_info_t *h) - } - - static struct access_method smart1_access = { -- smart1_submit_command, -- smart1_intr_mask, -- smart1_fifo_full, -- smart1_intr_pending, -- smart1_completed, -+ .submit_command = smart1_submit_command, -+ .set_intr_mask = smart1_intr_mask, -+ .fifo_full = smart1_fifo_full, -+ .intr_pending = smart1_intr_pending, -+ .command_completed = smart1_completed, - }; -diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c -index 55c135b..9f8d60c 100644 ---- a/drivers/bluetooth/btwilink.c -+++ b/drivers/bluetooth/btwilink.c -@@ -288,7 +288,7 @@ static int ti_st_send_frame(struct hci_dev *hdev, struct sk_buff *skb) - - static int bt_ti_probe(struct platform_device *pdev) - { -- static struct ti_st *hst; -+ struct ti_st *hst; - struct hci_dev *hdev; - int err; - -diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c -index 5d28a45..a538f90 100644 ---- a/drivers/cdrom/cdrom.c -+++ b/drivers/cdrom/cdrom.c -@@ -610,7 +610,6 @@ int register_cdrom(struct cdrom_device_info *cdi) - ENSURE(reset, CDC_RESET); - ENSURE(generic_packet, CDC_GENERIC_PACKET); - cdi->mc_flags = 0; -- cdo->n_minors = 0; - cdi->options = CDO_USE_FFLAGS; - - if (autoclose == 1 && CDROM_CAN(CDC_CLOSE_TRAY)) -@@ -630,8 +629,11 @@ int register_cdrom(struct cdrom_device_info *cdi) - else - cdi->cdda_method = CDDA_OLD; - -- if (!cdo->generic_packet) -- cdo->generic_packet = cdrom_dummy_generic_packet; -+ if (!cdo->generic_packet) { -+ pax_open_kernel(); -+ *(void **)&cdo->generic_packet = cdrom_dummy_generic_packet; -+ pax_close_kernel(); -+ } - - cd_dbg(CD_REG_UNREG, "drive "/dev/%s" registered\n", cdi->name); - mutex_lock(&cdrom_mutex); -@@ -652,7 +654,6 @@ void unregister_cdrom(struct cdrom_device_info *cdi) - if (cdi->exit) - cdi->exit(cdi); - -- cdi->ops->n_minors--; - cd_dbg(CD_REG_UNREG, "drive "/dev/%s" unregistered\n", cdi->name); - } - -@@ -2126,7 +2127,7 @@ static int cdrom_read_cdda_old(struct cdrom_device_info *cdi, __u8 __user *ubuf, - */ - nr = nframes; - do { -- cgc.buffer = kmalloc(CD_FRAMESIZE_RAW * nr, GFP_KERNEL); -+ cgc.buffer = kzalloc(CD_FRAMESIZE_RAW * nr, GFP_KERNEL); - if (cgc.buffer) - break; - -@@ -3434,7 +3435,7 @@ static int cdrom_print_info(const char *header, int val, char *info, - struct cdrom_device_info *cdi; - int ret; - -- ret = scnprintf(info + *pos, max_size - *pos, header); -+ ret = scnprintf(info + *pos, max_size - *pos, "%s", header); - if (!ret) - return 1; - -diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c -index 584bc31..e64a12c 100644 ---- a/drivers/cdrom/gdrom.c -+++ b/drivers/cdrom/gdrom.c -@@ -491,7 +491,6 @@ static struct cdrom_device_ops gdrom_ops = { - .audio_ioctl = gdrom_audio_ioctl, - .capability = CDC_MULTI_SESSION | CDC_MEDIA_CHANGED | - CDC_RESET | CDC_DRIVE_STATUS | CDC_CD_R, -- .n_minors = 1, - }; - - static int gdrom_bdops_open(struct block_device *bdev, fmode_t mode) -diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig -index a4af822..ed58cd1 100644 ---- a/drivers/char/Kconfig -+++ b/drivers/char/Kconfig -@@ -17,7 +17,8 @@ config DEVMEM - - config DEVKMEM - bool "/dev/kmem virtual device support" -- default y -+ default n -+ depends on !GRKERNSEC_KMEM - help - Say Y here if you want to support the /dev/kmem device. The - /dev/kmem device is rarely used, but can be used for certain -@@ -586,6 +587,7 @@ config DEVPORT - bool - depends on !M68K - depends on ISA || PCI -+ depends on !GRKERNSEC_KMEM - default y - - source "drivers/s390/char/Kconfig" -diff --git a/drivers/char/agp/compat_ioctl.c b/drivers/char/agp/compat_ioctl.c -index a48e05b..6bac831 100644 ---- a/drivers/char/agp/compat_ioctl.c -+++ b/drivers/char/agp/compat_ioctl.c -@@ -108,7 +108,7 @@ static int compat_agpioc_reserve_wrap(struct agp_file_private *priv, void __user - return -ENOMEM; - } - -- if (copy_from_user(usegment, (void __user *) ureserve.seg_list, -+ if (copy_from_user(usegment, (void __force_user *) ureserve.seg_list, - sizeof(*usegment) * ureserve.seg_count)) { - kfree(usegment); - kfree(ksegment); -diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c -index 09f17eb..8531d2f 100644 ---- a/drivers/char/agp/frontend.c -+++ b/drivers/char/agp/frontend.c -@@ -806,7 +806,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg) - if (copy_from_user(&reserve, arg, sizeof(struct agp_region))) - return -EFAULT; - -- if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment)) -+ if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment_priv)) - return -EFAULT; - - client = agp_find_client_by_pid(reserve.pid); -@@ -836,7 +836,7 @@ static int agpioc_reserve_wrap(struct agp_file_private *priv, void __user *arg) - if (segment == NULL) - return -ENOMEM; - -- if (copy_from_user(segment, (void __user *) reserve.seg_list, -+ if (copy_from_user(segment, (void __force_user *) reserve.seg_list, - sizeof(struct agp_segment) * reserve.seg_count)) { - kfree(segment); - return -EFAULT; -diff --git a/drivers/char/genrtc.c b/drivers/char/genrtc.c -index 4f94375..413694e 100644 ---- a/drivers/char/genrtc.c -+++ b/drivers/char/genrtc.c -@@ -273,6 +273,7 @@ static int gen_rtc_ioctl(struct file *file, - switch (cmd) { - - case RTC_PLL_GET: -+ memset(&pll, 0, sizeof(pll)); - if (get_rtc_pll(&pll)) - return -EINVAL; - else -diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c -index 5c0baa9..44011b1 100644 ---- a/drivers/char/hpet.c -+++ b/drivers/char/hpet.c -@@ -575,7 +575,7 @@ static inline unsigned long hpet_time_div(struct hpets *hpets, - } - - static int --hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg, -+hpet_ioctl_common(struct hpet_dev *devp, unsigned int cmd, unsigned long arg, - struct hpet_info *info) - { - struct hpet_timer __iomem *timer; -diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c -index 3c1a123..a33c99f 100644 ---- a/drivers/char/i8k.c -+++ b/drivers/char/i8k.c -@@ -790,7 +790,7 @@ static const struct i8k_config_data i8k_config_data[] = { - }, - }; - --static struct dmi_system_id i8k_dmi_table[] __initdata = { -+static const struct dmi_system_id i8k_dmi_table[] __initconst = { - { - .ident = "Dell Inspiron", - .matches = { -diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c -index bf75f63..359fa10 100644 ---- a/drivers/char/ipmi/ipmi_msghandler.c -+++ b/drivers/char/ipmi/ipmi_msghandler.c -@@ -436,7 +436,7 @@ struct ipmi_smi { - struct proc_dir_entry *proc_dir; - char proc_dir_name[10]; - -- atomic_t stats[IPMI_NUM_STATS]; -+ atomic_unchecked_t stats[IPMI_NUM_STATS]; - - /* - * run_to_completion duplicate of smb_info, smi_info -@@ -468,9 +468,9 @@ static LIST_HEAD(smi_watchers); - static DEFINE_MUTEX(smi_watchers_mutex); - - #define ipmi_inc_stat(intf, stat) \ -- atomic_inc(&(intf)->stats[IPMI_STAT_ ## stat]) -+ atomic_inc_unchecked(&(intf)->stats[IPMI_STAT_ ## stat]) - #define ipmi_get_stat(intf, stat) \ -- ((unsigned int) atomic_read(&(intf)->stats[IPMI_STAT_ ## stat])) -+ ((unsigned int) atomic_read_unchecked(&(intf)->stats[IPMI_STAT_ ## stat])) - - static char *addr_src_to_str[] = { "invalid", "hotmod", "hardcoded", "SPMI", - "ACPI", "SMBIOS", "PCI", -@@ -2828,7 +2828,7 @@ int ipmi_register_smi(struct ipmi_smi_handlers *handlers, - INIT_LIST_HEAD(&intf->cmd_rcvrs); - init_waitqueue_head(&intf->waitq); - for (i = 0; i < IPMI_NUM_STATS; i++) -- atomic_set(&intf->stats[i], 0); -+ atomic_set_unchecked(&intf->stats[i], 0); - - intf->proc_dir = NULL; - -diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c -index 8a45e92..e41b1c7 100644 ---- a/drivers/char/ipmi/ipmi_si_intf.c -+++ b/drivers/char/ipmi/ipmi_si_intf.c -@@ -289,7 +289,7 @@ struct smi_info { - unsigned char slave_addr; - - /* Counters and things for the proc filesystem. */ -- atomic_t stats[SI_NUM_STATS]; -+ atomic_unchecked_t stats[SI_NUM_STATS]; - - struct task_struct *thread; - -@@ -298,9 +298,9 @@ struct smi_info { - }; - - #define smi_inc_stat(smi, stat) \ -- atomic_inc(&(smi)->stats[SI_STAT_ ## stat]) -+ atomic_inc_unchecked(&(smi)->stats[SI_STAT_ ## stat]) - #define smi_get_stat(smi, stat) \ -- ((unsigned int) atomic_read(&(smi)->stats[SI_STAT_ ## stat])) -+ ((unsigned int) atomic_read_unchecked(&(smi)->stats[SI_STAT_ ## stat])) - - #define SI_MAX_PARMS 4 - -@@ -3500,7 +3500,7 @@ static int try_smi_init(struct smi_info *new_smi) - atomic_set(&new_smi->req_events, 0); - new_smi->run_to_completion = false; - for (i = 0; i < SI_NUM_STATS; i++) -- atomic_set(&new_smi->stats[i], 0); -+ atomic_set_unchecked(&new_smi->stats[i], 0); - - new_smi->interrupt_disabled = true; - atomic_set(&new_smi->need_watch, 0); -diff --git a/drivers/char/mem.c b/drivers/char/mem.c -index 6b1721f..fda9398 100644 ---- a/drivers/char/mem.c -+++ b/drivers/char/mem.c -@@ -18,6 +18,7 @@ - #include <linux/raw.h> - #include <linux/tty.h> - #include <linux/capability.h> -+#include <linux/security.h> - #include <linux/ptrace.h> - #include <linux/device.h> - #include <linux/highmem.h> -@@ -36,6 +37,10 @@ - - #define DEVPORT_MINOR 4 - -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+extern const struct file_operations grsec_fops; -+#endif -+ - static inline unsigned long size_inside_page(unsigned long start, - unsigned long size) - { -@@ -67,9 +72,13 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size) - - while (cursor < to) { - if (!devmem_is_allowed(pfn)) { -+#ifdef CONFIG_GRKERNSEC_KMEM -+ gr_handle_mem_readwrite(from, to); -+#else - printk(KERN_INFO - "Program %s tried to access /dev/mem between %Lx->%Lx.\n", - current->comm, from, to); -+#endif - return 0; - } - cursor += PAGE_SIZE; -@@ -77,6 +86,11 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size) - } - return 1; - } -+#elif defined(CONFIG_GRKERNSEC_KMEM) -+static inline int range_is_allowed(unsigned long pfn, unsigned long size) -+{ -+ return 0; -+} - #else - static inline int range_is_allowed(unsigned long pfn, unsigned long size) - { -@@ -124,7 +138,8 @@ static ssize_t read_mem(struct file *file, char __user *buf, - #endif - - while (count > 0) { -- unsigned long remaining; -+ unsigned long remaining = 0; -+ char *temp; - - sz = size_inside_page(p, count); - -@@ -140,7 +155,24 @@ static ssize_t read_mem(struct file *file, char __user *buf, - if (!ptr) - return -EFAULT; - -- remaining = copy_to_user(buf, ptr, sz); -+#ifdef CONFIG_PAX_USERCOPY -+ temp = kmalloc(sz, GFP_KERNEL|GFP_USERCOPY); -+ if (!temp) { -+ unxlate_dev_mem_ptr(p, ptr); -+ return -ENOMEM; -+ } -+ remaining = probe_kernel_read(temp, ptr, sz); -+#else -+ temp = ptr; -+#endif -+ -+ if (!remaining) -+ remaining = copy_to_user(buf, temp, sz); -+ -+#ifdef CONFIG_PAX_USERCOPY -+ kfree(temp); -+#endif -+ - unxlate_dev_mem_ptr(p, ptr); - if (remaining) - return -EFAULT; -@@ -380,9 +412,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf, - size_t count, loff_t *ppos) - { - unsigned long p = *ppos; -- ssize_t low_count, read, sz; -+ ssize_t low_count, read, sz, err = 0; - char *kbuf; /* k-addr because vread() takes vmlist_lock rwlock */ -- int err = 0; - - read = 0; - if (p < (unsigned long) high_memory) { -@@ -404,6 +435,8 @@ static ssize_t read_kmem(struct file *file, char __user *buf, - } - #endif - while (low_count > 0) { -+ char *temp; -+ - sz = size_inside_page(p, low_count); - - /* -@@ -413,7 +446,23 @@ static ssize_t read_kmem(struct file *file, char __user *buf, - */ - kbuf = xlate_dev_kmem_ptr((void *)p); - -- if (copy_to_user(buf, kbuf, sz)) -+#ifdef CONFIG_PAX_USERCOPY -+ temp = kmalloc(sz, GFP_KERNEL|GFP_USERCOPY); -+ if (!temp) -+ return -ENOMEM; -+ err = probe_kernel_read(temp, kbuf, sz); -+#else -+ temp = kbuf; -+#endif -+ -+ if (!err) -+ err = copy_to_user(buf, temp, sz); -+ -+#ifdef CONFIG_PAX_USERCOPY -+ kfree(temp); -+#endif -+ -+ if (err) - return -EFAULT; - buf += sz; - p += sz; -@@ -802,6 +851,9 @@ static const struct memdev { - #ifdef CONFIG_PRINTK - [11] = { "kmsg", 0644, &kmsg_fops, 0 }, - #endif -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+ [13] = { "grsec",S_IRUSR | S_IWUGO, &grsec_fops, 0 }, -+#endif - }; - - static int memory_open(struct inode *inode, struct file *filp) -@@ -863,7 +915,7 @@ static int __init chr_dev_init(void) - continue; - - device_create(mem_class, NULL, MKDEV(MEM_MAJOR, minor), -- NULL, devlist[minor].name); -+ NULL, "%s", devlist[minor].name); - } - - return tty_init(); -diff --git a/drivers/char/nvram.c b/drivers/char/nvram.c -index 9df78e2..01ba9ae 100644 ---- a/drivers/char/nvram.c -+++ b/drivers/char/nvram.c -@@ -247,7 +247,7 @@ static ssize_t nvram_read(struct file *file, char __user *buf, - - spin_unlock_irq(&rtc_lock); - -- if (copy_to_user(buf, contents, tmp - contents)) -+ if (tmp - contents > sizeof(contents) || copy_to_user(buf, contents, tmp - contents)) - return -EFAULT; - - *ppos = i; -diff --git a/drivers/char/pcmcia/synclink_cs.c b/drivers/char/pcmcia/synclink_cs.c -index 0ea9986..e7b07e4 100644 ---- a/drivers/char/pcmcia/synclink_cs.c -+++ b/drivers/char/pcmcia/synclink_cs.c -@@ -2345,7 +2345,7 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgslpc_close(%s) entry, count=%d\n", -- __FILE__, __LINE__, info->device_name, port->count); -+ __FILE__, __LINE__, info->device_name, atomic_read(&port->count)); - - if (tty_port_close_start(port, tty, filp) == 0) - goto cleanup; -@@ -2363,7 +2363,7 @@ static void mgslpc_close(struct tty_struct *tty, struct file * filp) - cleanup: - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgslpc_close(%s) exit, count=%d\n", __FILE__, __LINE__, -- tty->driver->name, port->count); -+ tty->driver->name, atomic_read(&port->count)); - } - - /* Wait until the transmitter is empty. -@@ -2505,7 +2505,7 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgslpc_open(%s), old ref count = %d\n", -- __FILE__, __LINE__, tty->driver->name, port->count); -+ __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count)); - - /* If port is closing, signal caller to try again */ - if (port->flags & ASYNC_CLOSING){ -@@ -2525,11 +2525,11 @@ static int mgslpc_open(struct tty_struct *tty, struct file * filp) - goto cleanup; - } - spin_lock(&port->lock); -- port->count++; -+ atomic_inc(&port->count); - spin_unlock(&port->lock); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (port->count == 1) { -+ if (atomic_read(&port->count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info, tty); - if (retval < 0) -@@ -3918,7 +3918,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - switch (encoding) -@@ -4022,7 +4022,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -4112,7 +4112,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - printk("%s:hdlcdev_ioctl(%s)\n", __FILE__, dev->name); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -diff --git a/drivers/char/random.c b/drivers/char/random.c -index 9cd6968..6416f00 100644 ---- a/drivers/char/random.c -+++ b/drivers/char/random.c -@@ -289,9 +289,6 @@ - /* - * To allow fractional bits to be tracked, the entropy_count field is - * denominated in units of 1/8th bits. -- * -- * 2*(ENTROPY_SHIFT + log2(poolbits)) must <= 31, or the multiply in -- * credit_entropy_bits() needs to be 64 bits wide. - */ - #define ENTROPY_SHIFT 3 - #define ENTROPY_BITS(r) ((r)->entropy_count >> ENTROPY_SHIFT) -@@ -439,9 +436,9 @@ struct entropy_store { - }; - - static void push_to_pool(struct work_struct *work); --static __u32 input_pool_data[INPUT_POOL_WORDS]; --static __u32 blocking_pool_data[OUTPUT_POOL_WORDS]; --static __u32 nonblocking_pool_data[OUTPUT_POOL_WORDS]; -+static __u32 input_pool_data[INPUT_POOL_WORDS] __latent_entropy; -+static __u32 blocking_pool_data[OUTPUT_POOL_WORDS] __latent_entropy; -+static __u32 nonblocking_pool_data[OUTPUT_POOL_WORDS] __latent_entropy; - - static struct entropy_store input_pool = { - .poolinfo = &poolinfo_table[0], -@@ -635,7 +632,7 @@ retry: - /* The +2 corresponds to the /4 in the denominator */ - - do { -- unsigned int anfrac = min(pnfrac, pool_size/2); -+ u64 anfrac = min(pnfrac, pool_size/2); - unsigned int add = - ((pool_size - entropy_count)*anfrac*3) >> s; - -@@ -1207,7 +1204,7 @@ static ssize_t extract_entropy_user(struct entropy_store *r, void __user *buf, - - extract_buf(r, tmp); - i = min_t(int, nbytes, EXTRACT_SIZE); -- if (copy_to_user(buf, tmp, i)) { -+ if (i > sizeof(tmp) || copy_to_user(buf, tmp, i)) { - ret = -EFAULT; - break; - } -@@ -1590,7 +1587,7 @@ static char sysctl_bootid[16]; - static int proc_do_uuid(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table fake_table; -+ ctl_table_no_const fake_table; - unsigned char buf[64], tmp_uuid[16], *uuid; - - uuid = table->data; -@@ -1620,7 +1617,7 @@ static int proc_do_uuid(struct ctl_table *table, int write, - static int proc_do_entropy(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table fake_table; -+ ctl_table_no_const fake_table; - int entropy_count; - - entropy_count = *(int *)table->data >> ENTROPY_SHIFT; -diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c -index e496dae..3db53b6 100644 ---- a/drivers/char/sonypi.c -+++ b/drivers/char/sonypi.c -@@ -54,6 +54,7 @@ - - #include <asm/uaccess.h> - #include <asm/io.h> -+#include <asm/local.h> - - #include <linux/sonypi.h> - -@@ -490,7 +491,7 @@ static struct sonypi_device { - spinlock_t fifo_lock; - wait_queue_head_t fifo_proc_list; - struct fasync_struct *fifo_async; -- int open_count; -+ local_t open_count; - int model; - struct input_dev *input_jog_dev; - struct input_dev *input_key_dev; -@@ -892,7 +893,7 @@ static int sonypi_misc_fasync(int fd, struct file *filp, int on) - static int sonypi_misc_release(struct inode *inode, struct file *file) - { - mutex_lock(&sonypi_device.lock); -- sonypi_device.open_count--; -+ local_dec(&sonypi_device.open_count); - mutex_unlock(&sonypi_device.lock); - return 0; - } -@@ -901,9 +902,9 @@ static int sonypi_misc_open(struct inode *inode, struct file *file) - { - mutex_lock(&sonypi_device.lock); - /* Flush input queue on first open */ -- if (!sonypi_device.open_count) -+ if (!local_read(&sonypi_device.open_count)) - kfifo_reset(&sonypi_device.fifo); -- sonypi_device.open_count++; -+ local_inc(&sonypi_device.open_count); - mutex_unlock(&sonypi_device.lock); - - return 0; -@@ -1491,7 +1492,7 @@ static struct platform_driver sonypi_driver = { - - static struct platform_device *sonypi_platform_device; - --static struct dmi_system_id __initdata sonypi_dmi_table[] = { -+static const struct dmi_system_id __initconst sonypi_dmi_table[] = { - { - .ident = "Sony Vaio", - .matches = { -diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c -index 565a947..dcdc06e 100644 ---- a/drivers/char/tpm/tpm_acpi.c -+++ b/drivers/char/tpm/tpm_acpi.c -@@ -98,11 +98,12 @@ int read_log(struct tpm_bios_log *log) - virt = acpi_os_map_iomem(start, len); - if (!virt) { - kfree(log->bios_event_log); -+ log->bios_event_log = NULL; - printk("%s: ERROR - Unable to map memory\n", __func__); - return -EIO; - } - -- memcpy_fromio(log->bios_event_log, virt, len); -+ memcpy_fromio(log->bios_event_log, (const char __force_kernel *)virt, len); - - acpi_os_unmap_iomem(virt, len); - return 0; -diff --git a/drivers/char/tpm/tpm_eventlog.c b/drivers/char/tpm/tpm_eventlog.c -index 3a56a13..f8cbd25 100644 ---- a/drivers/char/tpm/tpm_eventlog.c -+++ b/drivers/char/tpm/tpm_eventlog.c -@@ -95,7 +95,7 @@ static void *tpm_bios_measurements_start(struct seq_file *m, loff_t *pos) - event = addr; - - if ((event->event_type == 0 && event->event_size == 0) || -- ((addr + sizeof(struct tcpa_event) + event->event_size) >= limit)) -+ (event->event_size >= limit - addr - sizeof(struct tcpa_event))) - return NULL; - - return addr; -@@ -120,7 +120,7 @@ static void *tpm_bios_measurements_next(struct seq_file *m, void *v, - return NULL; - - if ((event->event_type == 0 && event->event_size == 0) || -- ((v + sizeof(struct tcpa_event) + event->event_size) >= limit)) -+ (event->event_size >= limit - v - sizeof(struct tcpa_event))) - return NULL; - - (*pos)++; -@@ -213,7 +213,8 @@ static int tpm_binary_bios_measurements_show(struct seq_file *m, void *v) - int i; - - for (i = 0; i < sizeof(struct tcpa_event) + event->event_size; i++) -- seq_putc(m, data[i]); -+ if (!seq_putc(m, data[i])) -+ return -EFAULT; - - return 0; - } -diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c -index 50754d20..9561cdc 100644 ---- a/drivers/char/virtio_console.c -+++ b/drivers/char/virtio_console.c -@@ -685,7 +685,7 @@ static ssize_t fill_readbuf(struct port *port, char __user *out_buf, - if (to_user) { - ssize_t ret; - -- ret = copy_to_user(out_buf, buf->buf + buf->offset, out_count); -+ ret = copy_to_user((char __force_user *)out_buf, buf->buf + buf->offset, out_count); - if (ret) - return -EFAULT; - } else { -@@ -789,7 +789,7 @@ static ssize_t port_fops_read(struct file *filp, char __user *ubuf, - if (!port_has_data(port) && !port->host_connected) - return 0; - -- return fill_readbuf(port, ubuf, count, true); -+ return fill_readbuf(port, (char __force_kernel *)ubuf, count, true); - } - - static int wait_port_writable(struct port *port, bool nonblock) -diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c -index 956b7e5..b655045 100644 ---- a/drivers/clk/clk-composite.c -+++ b/drivers/clk/clk-composite.c -@@ -197,7 +197,7 @@ struct clk *clk_register_composite(struct device *dev, const char *name, - struct clk *clk; - struct clk_init_data init; - struct clk_composite *composite; -- struct clk_ops *clk_composite_ops; -+ clk_ops_no_const *clk_composite_ops; - - composite = kzalloc(sizeof(*composite), GFP_KERNEL); - if (!composite) { -diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c -index 69a094c..1fa2a8d 100644 ---- a/drivers/clk/clk-mux.c -+++ b/drivers/clk/clk-mux.c -@@ -114,7 +114,7 @@ const struct clk_ops clk_mux_ro_ops = { - EXPORT_SYMBOL_GPL(clk_mux_ro_ops); - - struct clk *clk_register_mux_table(struct device *dev, const char *name, -- const char **parent_names, u8 num_parents, unsigned long flags, -+ const char * const *parent_names, u8 num_parents, unsigned long flags, - void __iomem *reg, u8 shift, u32 mask, - u8 clk_mux_flags, u32 *table, spinlock_t *lock) - { -@@ -166,7 +166,7 @@ struct clk *clk_register_mux_table(struct device *dev, const char *name, - EXPORT_SYMBOL_GPL(clk_register_mux_table); - - struct clk *clk_register_mux(struct device *dev, const char *name, -- const char **parent_names, u8 num_parents, unsigned long flags, -+ const char * const *parent_names, u8 num_parents, unsigned long flags, - void __iomem *reg, u8 shift, u8 width, - u8 clk_mux_flags, spinlock_t *lock) - { -diff --git a/drivers/clk/samsung/clk.h b/drivers/clk/samsung/clk.h -index e4c7538..9d5c18a 100644 ---- a/drivers/clk/samsung/clk.h -+++ b/drivers/clk/samsung/clk.h -@@ -121,7 +121,7 @@ struct samsung_mux_clock { - unsigned int id; - const char *dev_name; - const char *name; -- const char **parent_names; -+ const char * const *parent_names; - u8 num_parents; - unsigned long flags; - unsigned long offset; -@@ -260,7 +260,7 @@ struct samsung_gate_clock { - #define GATE_DA(_id, dname, cname, pname, o, b, f, gf, a) \ - __GATE(_id, dname, cname, pname, o, b, f, gf, a) - --#define PNAME(x) static const char *x[] __initdata -+#define PNAME(x) static const char * const x[] __initconst - - /** - * struct samsung_clk_reg_dump: register dump of clock controller registers. -diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c -index dd3a78c..386d49c 100644 ---- a/drivers/clk/socfpga/clk-gate.c -+++ b/drivers/clk/socfpga/clk-gate.c -@@ -22,6 +22,7 @@ - #include <linux/mfd/syscon.h> - #include <linux/of.h> - #include <linux/regmap.h> -+#include <asm/pgtable.h> - - #include "clk.h" - -@@ -174,7 +175,7 @@ static int socfpga_clk_prepare(struct clk_hw *hwclk) - return 0; - } - --static struct clk_ops gateclk_ops = { -+static clk_ops_no_const gateclk_ops __read_only = { - .prepare = socfpga_clk_prepare, - .recalc_rate = socfpga_clk_recalc_rate, - .get_parent = socfpga_clk_get_parent, -@@ -208,8 +209,10 @@ static void __init __socfpga_gate_init(struct device_node *node, - socfpga_clk->hw.reg = clk_mgr_base_addr + clk_gate[0]; - socfpga_clk->hw.bit_idx = clk_gate[1]; - -- gateclk_ops.enable = clk_gate_ops.enable; -- gateclk_ops.disable = clk_gate_ops.disable; -+ pax_open_kernel(); -+ *(void **)&gateclk_ops.enable = clk_gate_ops.enable; -+ *(void **)&gateclk_ops.disable = clk_gate_ops.disable; -+ pax_close_kernel(); - } - - rc = of_property_read_u32(node, "fixed-divider", &fixed_div); -diff --git a/drivers/clk/socfpga/clk-pll.c b/drivers/clk/socfpga/clk-pll.c -index de6da95..c98278b 100644 ---- a/drivers/clk/socfpga/clk-pll.c -+++ b/drivers/clk/socfpga/clk-pll.c -@@ -21,6 +21,7 @@ - #include <linux/io.h> - #include <linux/of.h> - #include <linux/of_address.h> -+#include <asm/pgtable.h> - - #include "clk.h" - -@@ -76,7 +77,7 @@ static u8 clk_pll_get_parent(struct clk_hw *hwclk) - CLK_MGR_PLL_CLK_SRC_MASK; - } - --static struct clk_ops clk_pll_ops = { -+static clk_ops_no_const clk_pll_ops __read_only = { - .recalc_rate = clk_pll_recalc_rate, - .get_parent = clk_pll_get_parent, - }; -@@ -120,8 +121,10 @@ static __init struct clk *__socfpga_pll_init(struct device_node *node, - pll_clk->hw.hw.init = &init; - - pll_clk->hw.bit_idx = SOCFPGA_PLL_EXT_ENA; -- clk_pll_ops.enable = clk_gate_ops.enable; -- clk_pll_ops.disable = clk_gate_ops.disable; -+ pax_open_kernel(); -+ *(void **)&clk_pll_ops.enable = clk_gate_ops.enable; -+ *(void **)&clk_pll_ops.disable = clk_gate_ops.disable; -+ pax_close_kernel(); - - clk = clk_register(NULL, &pll_clk->hw.hw); - if (WARN_ON(IS_ERR(clk))) { -diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c -index b0c18ed..1713a80 100644 ---- a/drivers/cpufreq/acpi-cpufreq.c -+++ b/drivers/cpufreq/acpi-cpufreq.c -@@ -675,8 +675,11 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) - data->acpi_data = per_cpu_ptr(acpi_perf_data, cpu); - per_cpu(acfreq_data, cpu) = data; - -- if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) -- acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS; -+ if (cpu_has(c, X86_FEATURE_CONSTANT_TSC)) { -+ pax_open_kernel(); -+ *(u8 *)&acpi_cpufreq_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); -+ } - - result = acpi_processor_register_performance(data->acpi_data, cpu); - if (result) -@@ -809,7 +812,9 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy) - policy->cur = acpi_cpufreq_guess_freq(data, policy->cpu); - break; - case ACPI_ADR_SPACE_FIXED_HARDWARE: -- acpi_cpufreq_driver.get = get_cur_freq_on_cpu; -+ pax_open_kernel(); -+ *(void **)&acpi_cpufreq_driver.get = get_cur_freq_on_cpu; -+ pax_close_kernel(); - break; - default: - break; -@@ -903,8 +908,10 @@ static void __init acpi_cpufreq_boost_init(void) - if (!msrs) - return; - -- acpi_cpufreq_driver.boost_supported = true; -- acpi_cpufreq_driver.boost_enabled = boost_state(0); -+ pax_open_kernel(); -+ *(bool *)&acpi_cpufreq_driver.boost_supported = true; -+ *(bool *)&acpi_cpufreq_driver.boost_enabled = boost_state(0); -+ pax_close_kernel(); - - cpu_notifier_register_begin(); - -diff --git a/drivers/cpufreq/cpufreq-dt.c b/drivers/cpufreq/cpufreq-dt.c -index bab67db..91af7e3 100644 ---- a/drivers/cpufreq/cpufreq-dt.c -+++ b/drivers/cpufreq/cpufreq-dt.c -@@ -392,7 +392,9 @@ static int dt_cpufreq_probe(struct platform_device *pdev) - if (!IS_ERR(cpu_reg)) - regulator_put(cpu_reg); - -- dt_cpufreq_driver.driver_data = dev_get_platdata(&pdev->dev); -+ pax_open_kernel(); -+ *(void **)&dt_cpufreq_driver.driver_data = dev_get_platdata(&pdev->dev); -+ pax_close_kernel(); - - ret = cpufreq_register_driver(&dt_cpufreq_driver); - if (ret) -diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c -index 8ae655c..3141442 100644 ---- a/drivers/cpufreq/cpufreq.c -+++ b/drivers/cpufreq/cpufreq.c -@@ -2108,7 +2108,7 @@ void cpufreq_unregister_governor(struct cpufreq_governor *governor) - } - - mutex_lock(&cpufreq_governor_mutex); -- list_del(&governor->governor_list); -+ pax_list_del(&governor->governor_list); - mutex_unlock(&cpufreq_governor_mutex); - return; - } -@@ -2323,7 +2323,7 @@ static int cpufreq_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block __refdata cpufreq_cpu_notifier = { -+static struct notifier_block cpufreq_cpu_notifier = { - .notifier_call = cpufreq_cpu_callback, - }; - -@@ -2363,13 +2363,17 @@ int cpufreq_boost_trigger_state(int state) - return 0; - - write_lock_irqsave(&cpufreq_driver_lock, flags); -- cpufreq_driver->boost_enabled = state; -+ pax_open_kernel(); -+ *(bool *)&cpufreq_driver->boost_enabled = state; -+ pax_close_kernel(); - write_unlock_irqrestore(&cpufreq_driver_lock, flags); - - ret = cpufreq_driver->set_boost(state); - if (ret) { - write_lock_irqsave(&cpufreq_driver_lock, flags); -- cpufreq_driver->boost_enabled = !state; -+ pax_open_kernel(); -+ *(bool *)&cpufreq_driver->boost_enabled = !state; -+ pax_close_kernel(); - write_unlock_irqrestore(&cpufreq_driver_lock, flags); - - pr_err("%s: Cannot %s BOOST\n", -@@ -2434,16 +2438,22 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) - cpufreq_driver = driver_data; - write_unlock_irqrestore(&cpufreq_driver_lock, flags); - -- if (driver_data->setpolicy) -- driver_data->flags |= CPUFREQ_CONST_LOOPS; -+ if (driver_data->setpolicy) { -+ pax_open_kernel(); -+ *(u8 *)&driver_data->flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); -+ } - - if (cpufreq_boost_supported()) { - /* - * Check if driver provides function to enable boost - - * if not, use cpufreq_boost_set_sw as default - */ -- if (!cpufreq_driver->set_boost) -- cpufreq_driver->set_boost = cpufreq_boost_set_sw; -+ if (!cpufreq_driver->set_boost) { -+ pax_open_kernel(); -+ *(void **)&cpufreq_driver->set_boost = cpufreq_boost_set_sw; -+ pax_close_kernel(); -+ } - - ret = cpufreq_sysfs_create_file(&boost.attr); - if (ret) { -diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c -index 1b44496..b80ff5e 100644 ---- a/drivers/cpufreq/cpufreq_governor.c -+++ b/drivers/cpufreq/cpufreq_governor.c -@@ -245,7 +245,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, - struct dbs_data *dbs_data; - struct od_cpu_dbs_info_s *od_dbs_info = NULL; - struct cs_cpu_dbs_info_s *cs_dbs_info = NULL; -- struct od_ops *od_ops = NULL; -+ const struct od_ops *od_ops = NULL; - struct od_dbs_tuners *od_tuners = NULL; - struct cs_dbs_tuners *cs_tuners = NULL; - struct cpu_dbs_common_info *cpu_cdbs; -@@ -311,7 +311,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, - - if ((cdata->governor == GOV_CONSERVATIVE) && - (!policy->governor->initialized)) { -- struct cs_ops *cs_ops = dbs_data->cdata->gov_ops; -+ const struct cs_ops *cs_ops = dbs_data->cdata->gov_ops; - - cpufreq_register_notifier(cs_ops->notifier_block, - CPUFREQ_TRANSITION_NOTIFIER); -@@ -331,7 +331,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy, - - if ((dbs_data->cdata->governor == GOV_CONSERVATIVE) && - (policy->governor->initialized == 1)) { -- struct cs_ops *cs_ops = dbs_data->cdata->gov_ops; -+ const struct cs_ops *cs_ops = dbs_data->cdata->gov_ops; - - cpufreq_unregister_notifier(cs_ops->notifier_block, - CPUFREQ_TRANSITION_NOTIFIER); -diff --git a/drivers/cpufreq/cpufreq_governor.h b/drivers/cpufreq/cpufreq_governor.h -index cc401d1..8197340 100644 ---- a/drivers/cpufreq/cpufreq_governor.h -+++ b/drivers/cpufreq/cpufreq_governor.h -@@ -212,7 +212,7 @@ struct common_dbs_data { - void (*exit)(struct dbs_data *dbs_data); - - /* Governor specific ops, see below */ -- void *gov_ops; -+ const void *gov_ops; - }; - - /* Governor Per policy data */ -@@ -232,7 +232,7 @@ struct od_ops { - unsigned int (*powersave_bias_target)(struct cpufreq_policy *policy, - unsigned int freq_next, unsigned int relation); - void (*freq_increase)(struct cpufreq_policy *policy, unsigned int freq); --}; -+} __no_const; - - struct cs_ops { - struct notifier_block *notifier_block; -diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c -index ad3f38f..8f086cd 100644 ---- a/drivers/cpufreq/cpufreq_ondemand.c -+++ b/drivers/cpufreq/cpufreq_ondemand.c -@@ -524,7 +524,7 @@ static void od_exit(struct dbs_data *dbs_data) - - define_get_cpu_dbs_routines(od_cpu_dbs_info); - --static struct od_ops od_ops = { -+static struct od_ops od_ops __read_only = { - .powersave_bias_init_cpu = ondemand_powersave_bias_init_cpu, - .powersave_bias_target = generic_powersave_bias_target, - .freq_increase = dbs_freq_increase, -@@ -579,14 +579,18 @@ void od_register_powersave_bias_handler(unsigned int (*f) - (struct cpufreq_policy *, unsigned int, unsigned int), - unsigned int powersave_bias) - { -- od_ops.powersave_bias_target = f; -+ pax_open_kernel(); -+ *(void **)&od_ops.powersave_bias_target = f; -+ pax_close_kernel(); - od_set_powersave_bias(powersave_bias); - } - EXPORT_SYMBOL_GPL(od_register_powersave_bias_handler); - - void od_unregister_powersave_bias_handler(void) - { -- od_ops.powersave_bias_target = generic_powersave_bias_target; -+ pax_open_kernel(); -+ *(void **)&od_ops.powersave_bias_target = generic_powersave_bias_target; -+ pax_close_kernel(); - od_set_powersave_bias(0); - } - EXPORT_SYMBOL_GPL(od_unregister_powersave_bias_handler); -diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c -index 6f9d27f..14385d1 100644 ---- a/drivers/cpufreq/intel_pstate.c -+++ b/drivers/cpufreq/intel_pstate.c -@@ -134,10 +134,10 @@ struct pstate_funcs { - struct cpu_defaults { - struct pstate_adjust_policy pid_policy; - struct pstate_funcs funcs; --}; -+} __do_const; - - static struct pstate_adjust_policy pid_params; --static struct pstate_funcs pstate_funcs; -+static struct pstate_funcs *pstate_funcs; - static int hwp_active; - - struct perf_limits { -@@ -722,18 +722,18 @@ static void intel_pstate_set_pstate(struct cpudata *cpu, int pstate) - - cpu->pstate.current_pstate = pstate; - -- pstate_funcs.set(cpu, pstate); -+ pstate_funcs->set(cpu, pstate); - } - - static void intel_pstate_get_cpu_pstates(struct cpudata *cpu) - { -- cpu->pstate.min_pstate = pstate_funcs.get_min(); -- cpu->pstate.max_pstate = pstate_funcs.get_max(); -- cpu->pstate.turbo_pstate = pstate_funcs.get_turbo(); -- cpu->pstate.scaling = pstate_funcs.get_scaling(); -+ cpu->pstate.min_pstate = pstate_funcs->get_min(); -+ cpu->pstate.max_pstate = pstate_funcs->get_max(); -+ cpu->pstate.turbo_pstate = pstate_funcs->get_turbo(); -+ cpu->pstate.scaling = pstate_funcs->get_scaling(); - -- if (pstate_funcs.get_vid) -- pstate_funcs.get_vid(cpu); -+ if (pstate_funcs->get_vid) -+ pstate_funcs->get_vid(cpu); - intel_pstate_set_pstate(cpu, cpu->pstate.min_pstate); - } - -@@ -1057,15 +1057,15 @@ static unsigned int force_load; - - static int intel_pstate_msrs_not_valid(void) - { -- if (!pstate_funcs.get_max() || -- !pstate_funcs.get_min() || -- !pstate_funcs.get_turbo()) -+ if (!pstate_funcs->get_max() || -+ !pstate_funcs->get_min() || -+ !pstate_funcs->get_turbo()) - return -ENODEV; - - return 0; - } - --static void copy_pid_params(struct pstate_adjust_policy *policy) -+static void copy_pid_params(const struct pstate_adjust_policy *policy) - { - pid_params.sample_rate_ms = policy->sample_rate_ms; - pid_params.p_gain_pct = policy->p_gain_pct; -@@ -1077,12 +1077,7 @@ static void copy_pid_params(struct pstate_adjust_policy *policy) - - static void copy_cpu_funcs(struct pstate_funcs *funcs) - { -- pstate_funcs.get_max = funcs->get_max; -- pstate_funcs.get_min = funcs->get_min; -- pstate_funcs.get_turbo = funcs->get_turbo; -- pstate_funcs.get_scaling = funcs->get_scaling; -- pstate_funcs.set = funcs->set; -- pstate_funcs.get_vid = funcs->get_vid; -+ pstate_funcs = funcs; - } - - #if IS_ENABLED(CONFIG_ACPI) -diff --git a/drivers/cpufreq/p4-clockmod.c b/drivers/cpufreq/p4-clockmod.c -index 529cfd9..0e28fff 100644 ---- a/drivers/cpufreq/p4-clockmod.c -+++ b/drivers/cpufreq/p4-clockmod.c -@@ -134,10 +134,14 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) - case 0x0F: /* Core Duo */ - case 0x16: /* Celeron Core */ - case 0x1C: /* Atom */ -- p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_open_kernel(); -+ *(u8 *)&p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); - return speedstep_get_frequency(SPEEDSTEP_CPU_PCORE); - case 0x0D: /* Pentium M (Dothan) */ -- p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_open_kernel(); -+ *(u8 *)&p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); - /* fall through */ - case 0x09: /* Pentium M (Banias) */ - return speedstep_get_frequency(SPEEDSTEP_CPU_PM); -@@ -149,7 +153,9 @@ static unsigned int cpufreq_p4_get_frequency(struct cpuinfo_x86 *c) - - /* on P-4s, the TSC runs with constant frequency independent whether - * throttling is active or not. */ -- p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_open_kernel(); -+ *(u8 *)&p4clockmod_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); - - if (speedstep_detect_processor() == SPEEDSTEP_CPU_P4M) { - printk(KERN_WARNING PFX "Warning: Pentium 4-M detected. " -diff --git a/drivers/cpufreq/sparc-us3-cpufreq.c b/drivers/cpufreq/sparc-us3-cpufreq.c -index 9bb42ba..b01b4a2 100644 ---- a/drivers/cpufreq/sparc-us3-cpufreq.c -+++ b/drivers/cpufreq/sparc-us3-cpufreq.c -@@ -18,14 +18,12 @@ - #include <asm/head.h> - #include <asm/timer.h> - --static struct cpufreq_driver *cpufreq_us3_driver; -- - struct us3_freq_percpu_info { - struct cpufreq_frequency_table table[4]; - }; - - /* Indexed by cpu number. */ --static struct us3_freq_percpu_info *us3_freq_table; -+static struct us3_freq_percpu_info us3_freq_table[NR_CPUS]; - - /* UltraSPARC-III has three dividers: 1, 2, and 32. These are controlled - * in the Safari config register. -@@ -156,16 +154,27 @@ static int __init us3_freq_cpu_init(struct cpufreq_policy *policy) - - static int us3_freq_cpu_exit(struct cpufreq_policy *policy) - { -- if (cpufreq_us3_driver) -- us3_freq_target(policy, 0); -+ us3_freq_target(policy, 0); - - return 0; - } - -+static int __init us3_freq_init(void); -+static void __exit us3_freq_exit(void); -+ -+static struct cpufreq_driver cpufreq_us3_driver = { -+ .init = us3_freq_cpu_init, -+ .verify = cpufreq_generic_frequency_table_verify, -+ .target_index = us3_freq_target, -+ .get = us3_freq_get, -+ .exit = us3_freq_cpu_exit, -+ .name = "UltraSPARC-III", -+ -+}; -+ - static int __init us3_freq_init(void) - { - unsigned long manuf, impl, ver; -- int ret; - - if (tlb_type != cheetah && tlb_type != cheetah_plus) - return -ENODEV; -@@ -178,55 +187,15 @@ static int __init us3_freq_init(void) - (impl == CHEETAH_IMPL || - impl == CHEETAH_PLUS_IMPL || - impl == JAGUAR_IMPL || -- impl == PANTHER_IMPL)) { -- struct cpufreq_driver *driver; -- -- ret = -ENOMEM; -- driver = kzalloc(sizeof(*driver), GFP_KERNEL); -- if (!driver) -- goto err_out; -- -- us3_freq_table = kzalloc((NR_CPUS * sizeof(*us3_freq_table)), -- GFP_KERNEL); -- if (!us3_freq_table) -- goto err_out; -- -- driver->init = us3_freq_cpu_init; -- driver->verify = cpufreq_generic_frequency_table_verify; -- driver->target_index = us3_freq_target; -- driver->get = us3_freq_get; -- driver->exit = us3_freq_cpu_exit; -- strcpy(driver->name, "UltraSPARC-III"); -- -- cpufreq_us3_driver = driver; -- ret = cpufreq_register_driver(driver); -- if (ret) -- goto err_out; -- -- return 0; -- --err_out: -- if (driver) { -- kfree(driver); -- cpufreq_us3_driver = NULL; -- } -- kfree(us3_freq_table); -- us3_freq_table = NULL; -- return ret; -- } -+ impl == PANTHER_IMPL)) -+ return cpufreq_register_driver(&cpufreq_us3_driver); - - return -ENODEV; - } - - static void __exit us3_freq_exit(void) - { -- if (cpufreq_us3_driver) { -- cpufreq_unregister_driver(cpufreq_us3_driver); -- kfree(cpufreq_us3_driver); -- cpufreq_us3_driver = NULL; -- kfree(us3_freq_table); -- us3_freq_table = NULL; -- } -+ cpufreq_unregister_driver(&cpufreq_us3_driver); - } - - MODULE_AUTHOR("David S. Miller davem@redhat.com"); -diff --git a/drivers/cpufreq/speedstep-centrino.c b/drivers/cpufreq/speedstep-centrino.c -index 7d4a315..21bb886 100644 ---- a/drivers/cpufreq/speedstep-centrino.c -+++ b/drivers/cpufreq/speedstep-centrino.c -@@ -351,8 +351,11 @@ static int centrino_cpu_init(struct cpufreq_policy *policy) - !cpu_has(cpu, X86_FEATURE_EST)) - return -ENODEV; - -- if (cpu_has(cpu, X86_FEATURE_CONSTANT_TSC)) -- centrino_driver.flags |= CPUFREQ_CONST_LOOPS; -+ if (cpu_has(cpu, X86_FEATURE_CONSTANT_TSC)) { -+ pax_open_kernel(); -+ *(u8 *)&centrino_driver.flags |= CPUFREQ_CONST_LOOPS; -+ pax_close_kernel(); -+ } - - if (policy->cpu != 0) - return -ENODEV; -diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c -index 5db1478..e90e25e 100644 ---- a/drivers/cpuidle/driver.c -+++ b/drivers/cpuidle/driver.c -@@ -193,7 +193,7 @@ static int poll_idle(struct cpuidle_device *dev, - - static void poll_idle_init(struct cpuidle_driver *drv) - { -- struct cpuidle_state *state = &drv->states[0]; -+ cpuidle_state_no_const *state = &drv->states[0]; - - snprintf(state->name, CPUIDLE_NAME_LEN, "POLL"); - snprintf(state->desc, CPUIDLE_DESC_LEN, "CPUIDLE CORE POLL IDLE"); -diff --git a/drivers/cpuidle/governor.c b/drivers/cpuidle/governor.c -index fb9f511..213e6cc 100644 ---- a/drivers/cpuidle/governor.c -+++ b/drivers/cpuidle/governor.c -@@ -87,7 +87,7 @@ int cpuidle_register_governor(struct cpuidle_governor *gov) - mutex_lock(&cpuidle_lock); - if (__cpuidle_find_governor(gov->name) == NULL) { - ret = 0; -- list_add_tail(&gov->governor_list, &cpuidle_governors); -+ pax_list_add_tail((struct list_head *)&gov->governor_list, &cpuidle_governors); - if (!cpuidle_curr_governor || - cpuidle_curr_governor->rating < gov->rating) - cpuidle_switch_governor(gov); -diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c -index 832a2c3..1794080 100644 ---- a/drivers/cpuidle/sysfs.c -+++ b/drivers/cpuidle/sysfs.c -@@ -135,7 +135,7 @@ static struct attribute *cpuidle_switch_attrs[] = { - NULL - }; - --static struct attribute_group cpuidle_attr_group = { -+static attribute_group_no_const cpuidle_attr_group = { - .attrs = cpuidle_default_attrs, - .name = "cpuidle", - }; -diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c -index 8d2a772..33826c9 100644 ---- a/drivers/crypto/hifn_795x.c -+++ b/drivers/crypto/hifn_795x.c -@@ -51,7 +51,7 @@ module_param_string(hifn_pll_ref, hifn_pll_ref, sizeof(hifn_pll_ref), 0444); - MODULE_PARM_DESC(hifn_pll_ref, - "PLL reference clock (pci[freq] or ext[freq], default ext)"); - --static atomic_t hifn_dev_number; -+static atomic_unchecked_t hifn_dev_number; - - #define ACRYPTO_OP_DECRYPT 0 - #define ACRYPTO_OP_ENCRYPT 1 -@@ -2577,7 +2577,7 @@ static int hifn_probe(struct pci_dev *pdev, const struct pci_device_id *id) - goto err_out_disable_pci_device; - - snprintf(name, sizeof(name), "hifn%d", -- atomic_inc_return(&hifn_dev_number)-1); -+ atomic_inc_return_unchecked(&hifn_dev_number)-1); - - err = pci_request_regions(pdev, name); - if (err) -diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c -index ca1b362..01cae6a 100644 ---- a/drivers/devfreq/devfreq.c -+++ b/drivers/devfreq/devfreq.c -@@ -672,7 +672,7 @@ int devfreq_add_governor(struct devfreq_governor *governor) - goto err_out; - } - -- list_add(&governor->node, &devfreq_governor_list); -+ pax_list_add((struct list_head *)&governor->node, &devfreq_governor_list); - - list_for_each_entry(devfreq, &devfreq_list, node) { - int ret = 0; -@@ -760,7 +760,7 @@ int devfreq_remove_governor(struct devfreq_governor *governor) - } - } - -- list_del(&governor->node); -+ pax_list_del((struct list_head *)&governor->node); - err_out: - mutex_unlock(&devfreq_list_lock); - -diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c -index 10fcaba..326f709 100644 ---- a/drivers/dma/sh/shdma-base.c -+++ b/drivers/dma/sh/shdma-base.c -@@ -227,8 +227,8 @@ static int shdma_alloc_chan_resources(struct dma_chan *chan) - schan->slave_id = -EINVAL; - } - -- schan->desc = kcalloc(NR_DESCS_PER_CHANNEL, -- sdev->desc_size, GFP_KERNEL); -+ schan->desc = kcalloc(sdev->desc_size, -+ NR_DESCS_PER_CHANNEL, GFP_KERNEL); - if (!schan->desc) { - ret = -ENOMEM; - goto edescalloc; -diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c -index 11707df..2ea96f7 100644 ---- a/drivers/dma/sh/shdmac.c -+++ b/drivers/dma/sh/shdmac.c -@@ -513,7 +513,7 @@ static int sh_dmae_nmi_handler(struct notifier_block *self, - return ret; - } - --static struct notifier_block sh_dmae_nmi_notifier __read_mostly = { -+static struct notifier_block sh_dmae_nmi_notifier = { - .notifier_call = sh_dmae_nmi_handler, - - /* Run before NMI debug handler and KGDB */ -diff --git a/drivers/edac/edac_device.c b/drivers/edac/edac_device.c -index 592af5f..bb1d583 100644 ---- a/drivers/edac/edac_device.c -+++ b/drivers/edac/edac_device.c -@@ -477,9 +477,9 @@ void edac_device_reset_delay_period(struct edac_device_ctl_info *edac_dev, - */ - int edac_device_alloc_index(void) - { -- static atomic_t device_indexes = ATOMIC_INIT(0); -+ static atomic_unchecked_t device_indexes = ATOMIC_INIT(0); - -- return atomic_inc_return(&device_indexes) - 1; -+ return atomic_inc_return_unchecked(&device_indexes) - 1; - } - EXPORT_SYMBOL_GPL(edac_device_alloc_index); - -diff --git a/drivers/edac/edac_mc_sysfs.c b/drivers/edac/edac_mc_sysfs.c -index 112d63a..5443a61 100644 ---- a/drivers/edac/edac_mc_sysfs.c -+++ b/drivers/edac/edac_mc_sysfs.c -@@ -154,7 +154,7 @@ static const char * const edac_caps[] = { - struct dev_ch_attribute { - struct device_attribute attr; - int channel; --}; -+} __do_const; - - #define DEVICE_CHANNEL(_name, _mode, _show, _store, _var) \ - static struct dev_ch_attribute dev_attr_legacy_##_name = \ -diff --git a/drivers/edac/edac_pci.c b/drivers/edac/edac_pci.c -index 2cf44b4d..6dd2dc7 100644 ---- a/drivers/edac/edac_pci.c -+++ b/drivers/edac/edac_pci.c -@@ -29,7 +29,7 @@ - - static DEFINE_MUTEX(edac_pci_ctls_mutex); - static LIST_HEAD(edac_pci_list); --static atomic_t pci_indexes = ATOMIC_INIT(0); -+static atomic_unchecked_t pci_indexes = ATOMIC_INIT(0); - - /* - * edac_pci_alloc_ctl_info -@@ -315,7 +315,7 @@ EXPORT_SYMBOL_GPL(edac_pci_reset_delay_period); - */ - int edac_pci_alloc_index(void) - { -- return atomic_inc_return(&pci_indexes) - 1; -+ return atomic_inc_return_unchecked(&pci_indexes) - 1; - } - EXPORT_SYMBOL_GPL(edac_pci_alloc_index); - -diff --git a/drivers/edac/edac_pci_sysfs.c b/drivers/edac/edac_pci_sysfs.c -index 24d877f..4e30133 100644 ---- a/drivers/edac/edac_pci_sysfs.c -+++ b/drivers/edac/edac_pci_sysfs.c -@@ -23,8 +23,8 @@ static int edac_pci_log_pe = 1; /* log PCI parity errors */ - static int edac_pci_log_npe = 1; /* log PCI non-parity error errors */ - static int edac_pci_poll_msec = 1000; /* one second workq period */ - --static atomic_t pci_parity_count = ATOMIC_INIT(0); --static atomic_t pci_nonparity_count = ATOMIC_INIT(0); -+static atomic_unchecked_t pci_parity_count = ATOMIC_INIT(0); -+static atomic_unchecked_t pci_nonparity_count = ATOMIC_INIT(0); - - static struct kobject *edac_pci_top_main_kobj; - static atomic_t edac_pci_sysfs_refcount = ATOMIC_INIT(0); -@@ -232,7 +232,7 @@ struct edac_pci_dev_attribute { - void *value; - ssize_t(*show) (void *, char *); - ssize_t(*store) (void *, const char *, size_t); --}; -+} __do_const; - - /* Set of show/store abstract level functions for PCI Parity object */ - static ssize_t edac_pci_dev_show(struct kobject *kobj, struct attribute *attr, -@@ -576,7 +576,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - edac_printk(KERN_CRIT, EDAC_PCI, - "Signaled System Error on %s\n", - pci_name(dev)); -- atomic_inc(&pci_nonparity_count); -+ atomic_inc_unchecked(&pci_nonparity_count); - } - - if (status & (PCI_STATUS_PARITY)) { -@@ -584,7 +584,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Master Data Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - - if (status & (PCI_STATUS_DETECTED_PARITY)) { -@@ -592,7 +592,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Detected Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - } - -@@ -615,7 +615,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - edac_printk(KERN_CRIT, EDAC_PCI, "Bridge " - "Signaled System Error on %s\n", - pci_name(dev)); -- atomic_inc(&pci_nonparity_count); -+ atomic_inc_unchecked(&pci_nonparity_count); - } - - if (status & (PCI_STATUS_PARITY)) { -@@ -623,7 +623,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Master Data Parity Error on " - "%s\n", pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - - if (status & (PCI_STATUS_DETECTED_PARITY)) { -@@ -631,7 +631,7 @@ static void edac_pci_dev_parity_test(struct pci_dev *dev) - "Detected Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - } - } -@@ -669,7 +669,7 @@ void edac_pci_do_parity_check(void) - if (!check_pci_errors) - return; - -- before_count = atomic_read(&pci_parity_count); -+ before_count = atomic_read_unchecked(&pci_parity_count); - - /* scan all PCI devices looking for a Parity Error on devices and - * bridges. -@@ -681,7 +681,7 @@ void edac_pci_do_parity_check(void) - /* Only if operator has selected panic on PCI Error */ - if (edac_pci_get_panic_on_pe()) { - /* If the count is different 'after' from 'before' */ -- if (before_count != atomic_read(&pci_parity_count)) -+ if (before_count != atomic_read_unchecked(&pci_parity_count)) - panic("EDAC: PCI Parity Error"); - } - } -diff --git a/drivers/edac/mce_amd.h b/drivers/edac/mce_amd.h -index c2359a1..8bd119d 100644 ---- a/drivers/edac/mce_amd.h -+++ b/drivers/edac/mce_amd.h -@@ -74,7 +74,7 @@ struct amd_decoder_ops { - bool (*mc0_mce)(u16, u8); - bool (*mc1_mce)(u16, u8); - bool (*mc2_mce)(u16, u8); --}; -+} __no_const; - - void amd_report_gart_errors(bool); - void amd_register_ecc_decoder(void (*f)(int, struct mce *)); -diff --git a/drivers/firewire/core-card.c b/drivers/firewire/core-card.c -index 57ea7f4..af06b76 100644 ---- a/drivers/firewire/core-card.c -+++ b/drivers/firewire/core-card.c -@@ -528,9 +528,9 @@ void fw_card_initialize(struct fw_card *card, - const struct fw_card_driver *driver, - struct device *device) - { -- static atomic_t index = ATOMIC_INIT(-1); -+ static atomic_unchecked_t index = ATOMIC_INIT(-1); - -- card->index = atomic_inc_return(&index); -+ card->index = atomic_inc_return_unchecked(&index); - card->driver = driver; - card->device = device; - card->current_tlabel = 0; -@@ -680,7 +680,7 @@ EXPORT_SYMBOL_GPL(fw_card_release); - - void fw_core_remove_card(struct fw_card *card) - { -- struct fw_card_driver dummy_driver = dummy_driver_template; -+ fw_card_driver_no_const dummy_driver = dummy_driver_template; - - card->driver->update_phy_reg(card, 4, - PHY_LINK_ACTIVE | PHY_CONTENDER, 0); -diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-device.c -index f9e3aee..269dbdb 100644 ---- a/drivers/firewire/core-device.c -+++ b/drivers/firewire/core-device.c -@@ -256,7 +256,7 @@ EXPORT_SYMBOL(fw_device_enable_phys_dma); - struct config_rom_attribute { - struct device_attribute attr; - u32 key; --}; -+} __do_const; - - static ssize_t show_immediate(struct device *dev, - struct device_attribute *dattr, char *buf) -diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c -index d6a09b9..18e90dd 100644 ---- a/drivers/firewire/core-transaction.c -+++ b/drivers/firewire/core-transaction.c -@@ -38,6 +38,7 @@ - #include <linux/timer.h> - #include <linux/types.h> - #include <linux/workqueue.h> -+#include <linux/sched.h> - - #include <asm/byteorder.h> - -diff --git a/drivers/firewire/core.h b/drivers/firewire/core.h -index e1480ff6..1a429bd 100644 ---- a/drivers/firewire/core.h -+++ b/drivers/firewire/core.h -@@ -111,6 +111,7 @@ struct fw_card_driver { - - int (*stop_iso)(struct fw_iso_context *ctx); - }; -+typedef struct fw_card_driver __no_const fw_card_driver_no_const; - - void fw_card_initialize(struct fw_card *card, - const struct fw_card_driver *driver, struct device *device); -diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c -index f51d376..b118e40 100644 ---- a/drivers/firewire/ohci.c -+++ b/drivers/firewire/ohci.c -@@ -2049,10 +2049,12 @@ static void bus_reset_work(struct work_struct *work) - be32_to_cpu(ohci->next_header)); - } - -+#ifndef CONFIG_GRKERNSEC - if (param_remote_dma) { - reg_write(ohci, OHCI1394_PhyReqFilterHiSet, ~0); - reg_write(ohci, OHCI1394_PhyReqFilterLoSet, ~0); - } -+#endif - - spin_unlock_irq(&ohci->lock); - -@@ -2584,8 +2586,10 @@ static int ohci_enable_phys_dma(struct fw_card *card, - unsigned long flags; - int n, ret = 0; - -+#ifndef CONFIG_GRKERNSEC - if (param_remote_dma) - return 0; -+#endif - - /* - * FIXME: Make sure this bitmask is cleared when we clear the busReset -diff --git a/drivers/firmware/dmi-id.c b/drivers/firmware/dmi-id.c -index 94a58a0..f5eba42 100644 ---- a/drivers/firmware/dmi-id.c -+++ b/drivers/firmware/dmi-id.c -@@ -16,7 +16,7 @@ - struct dmi_device_attribute{ - struct device_attribute dev_attr; - int field; --}; -+} __do_const; - #define to_dmi_dev_attr(_dev_attr) \ - container_of(_dev_attr, struct dmi_device_attribute, dev_attr) - -diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c -index d425374..1da1716 100644 ---- a/drivers/firmware/efi/cper.c -+++ b/drivers/firmware/efi/cper.c -@@ -44,12 +44,12 @@ static char rcd_decode_str[CPER_REC_LEN]; - */ - u64 cper_next_record_id(void) - { -- static atomic64_t seq; -+ static atomic64_unchecked_t seq; - -- if (!atomic64_read(&seq)) -- atomic64_set(&seq, ((u64)get_seconds()) << 32); -+ if (!atomic64_read_unchecked(&seq)) -+ atomic64_set_unchecked(&seq, ((u64)get_seconds()) << 32); - -- return atomic64_inc_return(&seq); -+ return atomic64_inc_return_unchecked(&seq); - } - EXPORT_SYMBOL_GPL(cper_next_record_id); - -diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c -index 63226e9..302716e 100644 ---- a/drivers/firmware/efi/efi.c -+++ b/drivers/firmware/efi/efi.c -@@ -164,14 +164,16 @@ static struct attribute_group efi_subsys_attr_group = { - }; - - static struct efivars generic_efivars; --static struct efivar_operations generic_ops; -+static efivar_operations_no_const generic_ops __read_only; - - static int generic_ops_register(void) - { -- generic_ops.get_variable = efi.get_variable; -- generic_ops.set_variable = efi.set_variable; -- generic_ops.get_next_variable = efi.get_next_variable; -- generic_ops.query_variable_store = efi_query_variable_store; -+ pax_open_kernel(); -+ *(void **)&generic_ops.get_variable = efi.get_variable; -+ *(void **)&generic_ops.set_variable = efi.set_variable; -+ *(void **)&generic_ops.get_next_variable = efi.get_next_variable; -+ *(void **)&generic_ops.query_variable_store = efi_query_variable_store; -+ pax_close_kernel(); - - return efivars_register(&generic_efivars, &generic_ops, efi_kobj); - } -diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c -index 7b2e049..a253334 100644 ---- a/drivers/firmware/efi/efivars.c -+++ b/drivers/firmware/efi/efivars.c -@@ -589,7 +589,7 @@ efivar_create_sysfs_entry(struct efivar_entry *new_var) - static int - create_efivars_bin_attributes(void) - { -- struct bin_attribute *attr; -+ bin_attribute_no_const *attr; - int error; - - /* new_var */ -diff --git a/drivers/firmware/efi/runtime-map.c b/drivers/firmware/efi/runtime-map.c -index 5c55227..97f4978 100644 ---- a/drivers/firmware/efi/runtime-map.c -+++ b/drivers/firmware/efi/runtime-map.c -@@ -97,7 +97,7 @@ static void map_release(struct kobject *kobj) - kfree(entry); - } - --static struct kobj_type __refdata map_ktype = { -+static const struct kobj_type __refconst map_ktype = { - .sysfs_ops = &map_attr_ops, - .default_attrs = def_attrs, - .release = map_release, -diff --git a/drivers/firmware/google/gsmi.c b/drivers/firmware/google/gsmi.c -index f1ab05e..ab51228 100644 ---- a/drivers/firmware/google/gsmi.c -+++ b/drivers/firmware/google/gsmi.c -@@ -709,7 +709,7 @@ static u32 __init hash_oem_table_id(char s[8]) - return local_hash_64(input, 32); - } - --static struct dmi_system_id gsmi_dmi_table[] __initdata = { -+static const struct dmi_system_id gsmi_dmi_table[] __initconst = { - { - .ident = "Google Board", - .matches = { -diff --git a/drivers/firmware/google/memconsole.c b/drivers/firmware/google/memconsole.c -index 2f569aa..26e4f39 100644 ---- a/drivers/firmware/google/memconsole.c -+++ b/drivers/firmware/google/memconsole.c -@@ -136,7 +136,7 @@ static bool __init found_memconsole(void) - return false; - } - --static struct dmi_system_id memconsole_dmi_table[] __initdata = { -+static const struct dmi_system_id memconsole_dmi_table[] __initconst = { - { - .ident = "Google Board", - .matches = { -@@ -155,7 +155,10 @@ static int __init memconsole_init(void) - if (!found_memconsole()) - return -ENODEV; - -- memconsole_bin_attr.size = memconsole_length; -+ pax_open_kernel(); -+ *(size_t *)&memconsole_bin_attr.size = memconsole_length; -+ pax_close_kernel(); -+ - return sysfs_create_bin_file(firmware_kobj, &memconsole_bin_attr); - } - -diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c -index cc016c61..d35279e 100644 ---- a/drivers/firmware/memmap.c -+++ b/drivers/firmware/memmap.c -@@ -124,7 +124,7 @@ static void __meminit release_firmware_map_entry(struct kobject *kobj) - kfree(entry); - } - --static struct kobj_type __refdata memmap_ktype = { -+static const struct kobj_type __refconst memmap_ktype = { - .release = release_firmware_map_entry, - .sysfs_ops = &memmap_attr_ops, - .default_attrs = def_attrs, -diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c -index 3cfcfc6..09d6f117 100644 ---- a/drivers/gpio/gpio-em.c -+++ b/drivers/gpio/gpio-em.c -@@ -278,7 +278,7 @@ static int em_gio_probe(struct platform_device *pdev) - struct em_gio_priv *p; - struct resource *io[2], *irq[2]; - struct gpio_chip *gpio_chip; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - const char *name = dev_name(&pdev->dev); - int ret; - -diff --git a/drivers/gpio/gpio-ich.c b/drivers/gpio/gpio-ich.c -index 4ba7ed5..1536b5d 100644 ---- a/drivers/gpio/gpio-ich.c -+++ b/drivers/gpio/gpio-ich.c -@@ -94,7 +94,7 @@ struct ichx_desc { - * this option allows driver caching written output values - */ - bool use_outlvl_cache; --}; -+} __do_const; - - static struct { - spinlock_t lock; -diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c -index b232397..ce8c4dc 100644 ---- a/drivers/gpio/gpio-omap.c -+++ b/drivers/gpio/gpio-omap.c -@@ -1054,7 +1054,7 @@ static void omap_gpio_mod_init(struct gpio_bank *bank) - dev_err(bank->dev, "Could not get gpio dbck\n"); - } - --static int omap_gpio_chip_init(struct gpio_bank *bank, struct irq_chip *irqc) -+static int omap_gpio_chip_init(struct gpio_bank *bank, irq_chip_no_const *irqc) - { - static int gpio; - int irq_base = 0; -@@ -1137,7 +1137,7 @@ static int omap_gpio_probe(struct platform_device *pdev) - const struct omap_gpio_platform_data *pdata; - struct resource *res; - struct gpio_bank *bank; -- struct irq_chip *irqc; -+ irq_chip_no_const *irqc; - int ret; - - match = of_match_device(of_match_ptr(omap_gpio_match), dev); -diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c -index 1e14a6c..0442450 100644 ---- a/drivers/gpio/gpio-rcar.c -+++ b/drivers/gpio/gpio-rcar.c -@@ -379,7 +379,7 @@ static int gpio_rcar_probe(struct platform_device *pdev) - struct gpio_rcar_priv *p; - struct resource *io, *irq; - struct gpio_chip *gpio_chip; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - struct device *dev = &pdev->dev; - const char *name = dev_name(dev); - int ret; -diff --git a/drivers/gpio/gpio-vr41xx.c b/drivers/gpio/gpio-vr41xx.c -index c1caa45..f0f97d2 100644 ---- a/drivers/gpio/gpio-vr41xx.c -+++ b/drivers/gpio/gpio-vr41xx.c -@@ -224,7 +224,7 @@ static int giu_get_irq(unsigned int irq) - printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n", - maskl, pendl, maskh, pendh); - -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - - return -EINVAL; - } -diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c -index 6bc612b..3932464 100644 ---- a/drivers/gpio/gpiolib.c -+++ b/drivers/gpio/gpiolib.c -@@ -558,8 +558,10 @@ static void gpiochip_irqchip_remove(struct gpio_chip *gpiochip) - } - - if (gpiochip->irqchip) { -- gpiochip->irqchip->irq_request_resources = NULL; -- gpiochip->irqchip->irq_release_resources = NULL; -+ pax_open_kernel(); -+ *(void **)&gpiochip->irqchip->irq_request_resources = NULL; -+ *(void **)&gpiochip->irqchip->irq_release_resources = NULL; -+ pax_close_kernel(); - gpiochip->irqchip = NULL; - } - } -@@ -625,8 +627,11 @@ int gpiochip_irqchip_add(struct gpio_chip *gpiochip, - gpiochip->irqchip = NULL; - return -EINVAL; - } -- irqchip->irq_request_resources = gpiochip_irq_reqres; -- irqchip->irq_release_resources = gpiochip_irq_relres; -+ -+ pax_open_kernel(); -+ *(void **)&irqchip->irq_request_resources = gpiochip_irq_reqres; -+ *(void **)&irqchip->irq_release_resources = gpiochip_irq_relres; -+ pax_close_kernel(); - - /* - * Prepare the mapping since the irqchip shall be orthogonal to -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h -index 488f51d..301d462 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h -@@ -118,7 +118,7 @@ struct device_queue_manager_ops { - enum cache_policy alternate_policy, - void __user *alternate_aperture_base, - uint64_t alternate_aperture_size); --}; -+} __no_const; - - /** - * struct device_queue_manager -diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h -index 5940531..a75b0e5 100644 ---- a/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h -+++ b/drivers/gpu/drm/amd/amdkfd/kfd_kernel_queue.h -@@ -62,7 +62,7 @@ struct kernel_queue_ops { - - void (*submit_packet)(struct kernel_queue *kq); - void (*rollback_packet)(struct kernel_queue *kq); --}; -+} __no_const; - - struct kernel_queue { - struct kernel_queue_ops ops; -diff --git a/drivers/gpu/drm/drm_context.c b/drivers/gpu/drm/drm_context.c -index 9b23525..65f4110 100644 ---- a/drivers/gpu/drm/drm_context.c -+++ b/drivers/gpu/drm/drm_context.c -@@ -53,6 +53,9 @@ struct drm_ctx_list { - */ - void drm_legacy_ctxbitmap_free(struct drm_device * dev, int ctx_handle) - { -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return; -+ - mutex_lock(&dev->struct_mutex); - idr_remove(&dev->ctx_idr, ctx_handle); - mutex_unlock(&dev->struct_mutex); -@@ -87,6 +90,9 @@ static int drm_legacy_ctxbitmap_next(struct drm_device * dev) - */ - int drm_legacy_ctxbitmap_init(struct drm_device * dev) - { -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - idr_init(&dev->ctx_idr); - return 0; - } -@@ -101,6 +107,9 @@ int drm_legacy_ctxbitmap_init(struct drm_device * dev) - */ - void drm_legacy_ctxbitmap_cleanup(struct drm_device * dev) - { -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return; -+ - mutex_lock(&dev->struct_mutex); - idr_destroy(&dev->ctx_idr); - mutex_unlock(&dev->struct_mutex); -@@ -119,11 +128,14 @@ void drm_legacy_ctxbitmap_flush(struct drm_device *dev, struct drm_file *file) - { - struct drm_ctx_list *pos, *tmp; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return; -+ - mutex_lock(&dev->ctxlist_mutex); - - list_for_each_entry_safe(pos, tmp, &dev->ctxlist, head) { - if (pos->tag == file && -- pos->handle != DRM_KERNEL_CONTEXT) { -+ _DRM_LOCKING_CONTEXT(pos->handle) != DRM_KERNEL_CONTEXT) { - if (dev->driver->context_dtor) - dev->driver->context_dtor(dev, pos->handle); - -@@ -161,6 +173,9 @@ int drm_legacy_getsareactx(struct drm_device *dev, void *data, - struct drm_local_map *map; - struct drm_map_list *_entry; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - mutex_lock(&dev->struct_mutex); - - map = idr_find(&dev->ctx_idr, request->ctx_id); -@@ -205,6 +220,9 @@ int drm_legacy_setsareactx(struct drm_device *dev, void *data, - struct drm_local_map *map = NULL; - struct drm_map_list *r_list = NULL; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - mutex_lock(&dev->struct_mutex); - list_for_each_entry(r_list, &dev->maplist, head) { - if (r_list->map -@@ -277,7 +295,13 @@ static int drm_context_switch_complete(struct drm_device *dev, - { - dev->last_context = new; /* PRE/POST: This is the _only_ writer. */ - -- if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock)) { -+ if (file_priv->master->lock.hw_lock == NULL) { -+ DRM_ERROR( -+ "Device has been unregistered. Hard exit. Process %d\n", -+ task_pid_nr(current)); -+ send_sig(SIGTERM, current, 0); -+ return -EPERM; -+ } else if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock)) { - DRM_ERROR("Lock isn't held after context switch\n"); - } - -@@ -305,6 +329,9 @@ int drm_legacy_resctx(struct drm_device *dev, void *data, - struct drm_ctx ctx; - int i; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - if (res->count >= DRM_RESERVED_CONTEXTS) { - memset(&ctx, 0, sizeof(ctx)); - for (i = 0; i < DRM_RESERVED_CONTEXTS; i++) { -@@ -335,8 +362,11 @@ int drm_legacy_addctx(struct drm_device *dev, void *data, - struct drm_ctx_list *ctx_entry; - struct drm_ctx *ctx = data; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - ctx->handle = drm_legacy_ctxbitmap_next(dev); -- if (ctx->handle == DRM_KERNEL_CONTEXT) { -+ if (_DRM_LOCKING_CONTEXT(ctx->handle) == DRM_KERNEL_CONTEXT) { - /* Skip kernel's context and get a new one. */ - ctx->handle = drm_legacy_ctxbitmap_next(dev); - } -@@ -378,6 +408,9 @@ int drm_legacy_getctx(struct drm_device *dev, void *data, - { - struct drm_ctx *ctx = data; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - /* This is 0, because we don't handle any context flags */ - ctx->flags = 0; - -@@ -400,6 +433,9 @@ int drm_legacy_switchctx(struct drm_device *dev, void *data, - { - struct drm_ctx *ctx = data; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - DRM_DEBUG("%d\n", ctx->handle); - return drm_context_switch(dev, dev->last_context, ctx->handle); - } -@@ -420,6 +456,9 @@ int drm_legacy_newctx(struct drm_device *dev, void *data, - { - struct drm_ctx *ctx = data; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - DRM_DEBUG("%d\n", ctx->handle); - drm_context_switch_complete(dev, file_priv, ctx->handle); - -@@ -442,8 +481,11 @@ int drm_legacy_rmctx(struct drm_device *dev, void *data, - { - struct drm_ctx *ctx = data; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - DRM_DEBUG("%d\n", ctx->handle); -- if (ctx->handle != DRM_KERNEL_CONTEXT) { -+ if (_DRM_LOCKING_CONTEXT(ctx->handle) != DRM_KERNEL_CONTEXT) { - if (dev->driver->context_dtor) - dev->driver->context_dtor(dev, ctx->handle); - drm_legacy_ctxbitmap_free(dev, ctx->handle); -diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c -index 800a025..c88f1a4 100644 ---- a/drivers/gpu/drm/drm_crtc.c -+++ b/drivers/gpu/drm/drm_crtc.c -@@ -4179,7 +4179,7 @@ int drm_mode_getproperty_ioctl(struct drm_device *dev, - goto done; - } - -- if (copy_to_user(&enum_ptr[copied].name, -+ if (copy_to_user(enum_ptr[copied].name, - &prop_enum->name, DRM_PROP_NAME_LEN)) { - ret = -EFAULT; - goto done; -diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c -index 48f7359..8c3b594 100644 ---- a/drivers/gpu/drm/drm_drv.c -+++ b/drivers/gpu/drm/drm_drv.c -@@ -448,7 +448,7 @@ void drm_unplug_dev(struct drm_device *dev) - - drm_device_set_unplugged(dev); - -- if (dev->open_count == 0) { -+ if (local_read(&dev->open_count) == 0) { - drm_put_dev(dev); - } - mutex_unlock(&drm_global_mutex); -@@ -596,10 +596,13 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver, - if (drm_ht_create(&dev->map_hash, 12)) - goto err_minors; - -- ret = drm_legacy_ctxbitmap_init(dev); -- if (ret) { -- DRM_ERROR("Cannot allocate memory for context bitmap.\n"); -- goto err_ht; -+ if (drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) { -+ ret = drm_legacy_ctxbitmap_init(dev); -+ if (ret) { -+ DRM_ERROR( -+ "Cannot allocate memory for context bitmap.\n"); -+ goto err_ht; -+ } - } - - if (drm_core_check_feature(dev, DRIVER_GEM)) { -diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c -index 076dd60..e4a4ba7 100644 ---- a/drivers/gpu/drm/drm_fops.c -+++ b/drivers/gpu/drm/drm_fops.c -@@ -89,7 +89,7 @@ int drm_open(struct inode *inode, struct file *filp) - return PTR_ERR(minor); - - dev = minor->dev; -- if (!dev->open_count++) -+ if (local_inc_return(&dev->open_count) == 1) - need_setup = 1; - - /* share address_space across all char-devs of a single device */ -@@ -106,7 +106,7 @@ int drm_open(struct inode *inode, struct file *filp) - return 0; - - err_undo: -- dev->open_count--; -+ local_dec(&dev->open_count); - drm_minor_release(minor); - return retcode; - } -@@ -376,7 +376,7 @@ int drm_release(struct inode *inode, struct file *filp) - - mutex_lock(&drm_global_mutex); - -- DRM_DEBUG("open_count = %d\n", dev->open_count); -+ DRM_DEBUG("open_count = %ld\n", local_read(&dev->open_count)); - - mutex_lock(&dev->struct_mutex); - list_del(&file_priv->lhead); -@@ -389,10 +389,10 @@ int drm_release(struct inode *inode, struct file *filp) - * Begin inline drm_release - */ - -- DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", -+ DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %ld\n", - task_pid_nr(current), - (long)old_encode_dev(file_priv->minor->kdev->devt), -- dev->open_count); -+ local_read(&dev->open_count)); - - /* Release any auth tokens that might point to this file_priv, - (do that under the drm_global_mutex) */ -@@ -465,7 +465,7 @@ int drm_release(struct inode *inode, struct file *filp) - * End inline drm_release - */ - -- if (!--dev->open_count) { -+ if (local_dec_and_test(&dev->open_count)) { - retcode = drm_lastclose(dev); - if (drm_device_is_unplugged(dev)) - drm_put_dev(dev); -diff --git a/drivers/gpu/drm/drm_global.c b/drivers/gpu/drm/drm_global.c -index 3d2e91c..d31c4c9 100644 ---- a/drivers/gpu/drm/drm_global.c -+++ b/drivers/gpu/drm/drm_global.c -@@ -36,7 +36,7 @@ - struct drm_global_item { - struct mutex mutex; - void *object; -- int refcount; -+ atomic_t refcount; - }; - - static struct drm_global_item glob[DRM_GLOBAL_NUM]; -@@ -49,7 +49,7 @@ void drm_global_init(void) - struct drm_global_item *item = &glob[i]; - mutex_init(&item->mutex); - item->object = NULL; -- item->refcount = 0; -+ atomic_set(&item->refcount, 0); - } - } - -@@ -59,7 +59,7 @@ void drm_global_release(void) - for (i = 0; i < DRM_GLOBAL_NUM; ++i) { - struct drm_global_item *item = &glob[i]; - BUG_ON(item->object != NULL); -- BUG_ON(item->refcount != 0); -+ BUG_ON(atomic_read(&item->refcount) != 0); - } - } - -@@ -69,7 +69,7 @@ int drm_global_item_ref(struct drm_global_reference *ref) - struct drm_global_item *item = &glob[ref->global_type]; - - mutex_lock(&item->mutex); -- if (item->refcount == 0) { -+ if (atomic_read(&item->refcount) == 0) { - item->object = kzalloc(ref->size, GFP_KERNEL); - if (unlikely(item->object == NULL)) { - ret = -ENOMEM; -@@ -82,7 +82,7 @@ int drm_global_item_ref(struct drm_global_reference *ref) - goto out_err; - - } -- ++item->refcount; -+ atomic_inc(&item->refcount); - ref->object = item->object; - mutex_unlock(&item->mutex); - return 0; -@@ -98,9 +98,9 @@ void drm_global_item_unref(struct drm_global_reference *ref) - struct drm_global_item *item = &glob[ref->global_type]; - - mutex_lock(&item->mutex); -- BUG_ON(item->refcount == 0); -+ BUG_ON(atomic_read(&item->refcount) == 0); - BUG_ON(ref->object != item->object); -- if (--item->refcount == 0) { -+ if (atomic_dec_and_test(&item->refcount)) { - ref->release(ref); - item->object = NULL; - } -diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c -index cbb4fc0..5c756cb9 100644 ---- a/drivers/gpu/drm/drm_info.c -+++ b/drivers/gpu/drm/drm_info.c -@@ -77,10 +77,13 @@ int drm_vm_info(struct seq_file *m, void *data) - struct drm_local_map *map; - struct drm_map_list *r_list; - -- /* Hardcoded from _DRM_FRAME_BUFFER, -- _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and -- _DRM_SCATTER_GATHER and _DRM_CONSISTENT */ -- const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" }; -+ static const char * const types[] = { -+ [_DRM_FRAME_BUFFER] = "FB", -+ [_DRM_REGISTERS] = "REG", -+ [_DRM_SHM] = "SHM", -+ [_DRM_AGP] = "AGP", -+ [_DRM_SCATTER_GATHER] = "SG", -+ [_DRM_CONSISTENT] = "PCI"}; - const char *type; - int i; - -@@ -91,7 +94,7 @@ int drm_vm_info(struct seq_file *m, void *data) - map = r_list->map; - if (!map) - continue; -- if (map->type < 0 || map->type > 5) -+ if (map->type >= ARRAY_SIZE(types)) - type = "??"; - else - type = types[map->type]; -diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c -index 9cfcd0a..7142a7f 100644 ---- a/drivers/gpu/drm/drm_ioc32.c -+++ b/drivers/gpu/drm/drm_ioc32.c -@@ -459,7 +459,7 @@ static int compat_drm_infobufs(struct file *file, unsigned int cmd, - request = compat_alloc_user_space(nbytes); - if (!access_ok(VERIFY_WRITE, request, nbytes)) - return -EFAULT; -- list = (struct drm_buf_desc *) (request + 1); -+ list = (struct drm_buf_desc __user *) (request + 1); - - if (__put_user(count, &request->count) - || __put_user(list, &request->list)) -@@ -520,7 +520,7 @@ static int compat_drm_mapbufs(struct file *file, unsigned int cmd, - request = compat_alloc_user_space(nbytes); - if (!access_ok(VERIFY_WRITE, request, nbytes)) - return -EFAULT; -- list = (struct drm_buf_pub *) (request + 1); -+ list = (struct drm_buf_pub __user *) (request + 1); - - if (__put_user(count, &request->count) - || __put_user(list, &request->list)) -@@ -1075,7 +1075,7 @@ static int compat_drm_mode_addfb2(struct file *file, unsigned int cmd, - return 0; - } - --static drm_ioctl_compat_t *drm_compat_ioctls[] = { -+static drm_ioctl_compat_t drm_compat_ioctls[] = { - [DRM_IOCTL_NR(DRM_IOCTL_VERSION32)] = compat_drm_version, - [DRM_IOCTL_NR(DRM_IOCTL_GET_UNIQUE32)] = compat_drm_getunique, - [DRM_IOCTL_NR(DRM_IOCTL_GET_MAP32)] = compat_drm_getmap, -@@ -1122,7 +1122,6 @@ static drm_ioctl_compat_t *drm_compat_ioctls[] = { - long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn; - int ret; - - /* Assume that ioctls without an explicit compat routine will just -@@ -1132,10 +1131,8 @@ long drm_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - if (nr >= ARRAY_SIZE(drm_compat_ioctls)) - return drm_ioctl(filp, cmd, arg); - -- fn = drm_compat_ioctls[nr]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (drm_compat_ioctls[nr] != NULL) -+ ret = (*drm_compat_ioctls[nr]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c -index 266dcd6..d0194d9 100644 ---- a/drivers/gpu/drm/drm_ioctl.c -+++ b/drivers/gpu/drm/drm_ioctl.c -@@ -663,7 +663,7 @@ long drm_ioctl(struct file *filp, - struct drm_file *file_priv = filp->private_data; - struct drm_device *dev; - const struct drm_ioctl_desc *ioctl = NULL; -- drm_ioctl_t *func; -+ drm_ioctl_no_const_t func; - unsigned int nr = DRM_IOCTL_NR(cmd); - int retcode = -EINVAL; - char stack_kdata[128]; -diff --git a/drivers/gpu/drm/drm_lock.c b/drivers/gpu/drm/drm_lock.c -index f861361..b61d4c7 100644 ---- a/drivers/gpu/drm/drm_lock.c -+++ b/drivers/gpu/drm/drm_lock.c -@@ -61,9 +61,12 @@ int drm_legacy_lock(struct drm_device *dev, void *data, - struct drm_master *master = file_priv->master; - int ret = 0; - -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ - ++file_priv->lock_count; - -- if (lock->context == DRM_KERNEL_CONTEXT) { -+ if (_DRM_LOCKING_CONTEXT(lock->context) == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - task_pid_nr(current), lock->context); - return -EINVAL; -@@ -153,12 +156,23 @@ int drm_legacy_unlock(struct drm_device *dev, void *data, struct drm_file *file_ - struct drm_lock *lock = data; - struct drm_master *master = file_priv->master; - -- if (lock->context == DRM_KERNEL_CONTEXT) { -+ if (!drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT)) -+ return -EINVAL; -+ -+ if (_DRM_LOCKING_CONTEXT(lock->context) == DRM_KERNEL_CONTEXT) { - DRM_ERROR("Process %d using kernel context %d\n", - task_pid_nr(current), lock->context); - return -EINVAL; - } - -+ if (!master->lock.hw_lock) { -+ DRM_ERROR( -+ "Device has been unregistered. Hard exit. Process %d\n", -+ task_pid_nr(current)); -+ send_sig(SIGTERM, current, 0); -+ return -EPERM; -+ } -+ - if (drm_legacy_lock_free(&master->lock, lock->context)) { - /* FIXME: Should really bail out here. */ - } -diff --git a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c -index d4813e0..6c1ab4d 100644 ---- a/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c -+++ b/drivers/gpu/drm/gma500/mdfld_dsi_dpi.c -@@ -825,10 +825,16 @@ void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder, - u32 pipeconf_reg = PIPEACONF; - u32 dspcntr_reg = DSPACNTR; - -- u32 pipeconf = dev_priv->pipeconf[pipe]; -- u32 dspcntr = dev_priv->dspcntr[pipe]; -+ u32 pipeconf; -+ u32 dspcntr; - u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX; - -+ if (pipe == -1) -+ return; -+ -+ pipeconf = dev_priv->pipeconf[pipe]; -+ dspcntr = dev_priv->dspcntr[pipe]; -+ - if (pipe) { - pipeconf_reg = PIPECCONF; - dspcntr_reg = DSPCCNTR; -diff --git a/drivers/gpu/drm/i810/i810_drv.h b/drivers/gpu/drm/i810/i810_drv.h -index 93ec5dc..82acbaf 100644 ---- a/drivers/gpu/drm/i810/i810_drv.h -+++ b/drivers/gpu/drm/i810/i810_drv.h -@@ -110,8 +110,8 @@ typedef struct drm_i810_private { - int page_flipping; - - wait_queue_head_t irq_queue; -- atomic_t irq_received; -- atomic_t irq_emitted; -+ atomic_unchecked_t irq_received; -+ atomic_unchecked_t irq_emitted; - - int front_offset; - } drm_i810_private_t; -diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c -index 68e0c85..3303192 100644 ---- a/drivers/gpu/drm/i915/i915_dma.c -+++ b/drivers/gpu/drm/i915/i915_dma.c -@@ -162,6 +162,8 @@ static int i915_getparam(struct drm_device *dev, void *data, - value = INTEL_INFO(dev)->eu_total; - if (!value) - return -ENODEV; -+ case I915_PARAM_HAS_LEGACY_CONTEXT: -+ value = drm_core_check_feature(dev, DRIVER_KMS_LEGACY_CONTEXT); - break; - default: - DRM_DEBUG("Unknown parameter %d\n", param->param); -@@ -376,7 +378,7 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev) - * locking inversion with the driver load path. And the access here is - * completely racy anyway. So don't bother with locking for now. - */ -- return dev->open_count == 0; -+ return local_read(&dev->open_count) == 0; - } - - static const struct vga_switcheroo_client_ops i915_switcheroo_ops = { -diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c -index a3190e79..86b06cb 100644 ---- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c -+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c -@@ -936,12 +936,12 @@ i915_gem_check_execbuffer(struct drm_i915_gem_execbuffer2 *exec) - static int - validate_exec_list(struct drm_device *dev, - struct drm_i915_gem_exec_object2 *exec, -- int count) -+ unsigned int count) - { - unsigned relocs_total = 0; - unsigned relocs_max = UINT_MAX / sizeof(struct drm_i915_gem_relocation_entry); - unsigned invalid_flags; -- int i; -+ unsigned int i; - - invalid_flags = __EXEC_OBJECT_UNKNOWN_FLAGS; - if (USES_FULL_PPGTT(dev)) -diff --git a/drivers/gpu/drm/i915/i915_ioc32.c b/drivers/gpu/drm/i915/i915_ioc32.c -index 23aa04c..1d25960 100644 ---- a/drivers/gpu/drm/i915/i915_ioc32.c -+++ b/drivers/gpu/drm/i915/i915_ioc32.c -@@ -62,7 +62,7 @@ static int compat_i915_batchbuffer(struct file *file, unsigned int cmd, - || __put_user(batchbuffer32.DR4, &batchbuffer->DR4) - || __put_user(batchbuffer32.num_cliprects, - &batchbuffer->num_cliprects) -- || __put_user((int __user *)(unsigned long)batchbuffer32.cliprects, -+ || __put_user((struct drm_clip_rect __user *)(unsigned long)batchbuffer32.cliprects, - &batchbuffer->cliprects)) - return -EFAULT; - -@@ -91,13 +91,13 @@ static int compat_i915_cmdbuffer(struct file *file, unsigned int cmd, - - cmdbuffer = compat_alloc_user_space(sizeof(*cmdbuffer)); - if (!access_ok(VERIFY_WRITE, cmdbuffer, sizeof(*cmdbuffer)) -- || __put_user((int __user *)(unsigned long)cmdbuffer32.buf, -+ || __put_user((char __user *)(unsigned long)cmdbuffer32.buf, - &cmdbuffer->buf) - || __put_user(cmdbuffer32.sz, &cmdbuffer->sz) - || __put_user(cmdbuffer32.DR1, &cmdbuffer->DR1) - || __put_user(cmdbuffer32.DR4, &cmdbuffer->DR4) - || __put_user(cmdbuffer32.num_cliprects, &cmdbuffer->num_cliprects) -- || __put_user((int __user *)(unsigned long)cmdbuffer32.cliprects, -+ || __put_user((struct drm_clip_rect __user *)(unsigned long)cmdbuffer32.cliprects, - &cmdbuffer->cliprects)) - return -EFAULT; - -@@ -181,7 +181,7 @@ static int compat_i915_alloc(struct file *file, unsigned int cmd, - (unsigned long)request); - } - --static drm_ioctl_compat_t *i915_compat_ioctls[] = { -+static drm_ioctl_compat_t i915_compat_ioctls[] = { - [DRM_I915_BATCHBUFFER] = compat_i915_batchbuffer, - [DRM_I915_CMDBUFFER] = compat_i915_cmdbuffer, - [DRM_I915_GETPARAM] = compat_i915_getparam, -@@ -201,17 +201,13 @@ static drm_ioctl_compat_t *i915_compat_ioctls[] = { - long i915_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE || nr >= DRM_COMMAND_END) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(i915_compat_ioctls)) -- fn = i915_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(i915_compat_ioctls) && i915_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*i915_compat_ioctls[nr - DRM_COMMAND_BASE])(filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c -index 57c8878..8ef38a7 100644 ---- a/drivers/gpu/drm/i915/intel_display.c -+++ b/drivers/gpu/drm/i915/intel_display.c -@@ -13617,13 +13617,13 @@ struct intel_quirk { - int subsystem_vendor; - int subsystem_device; - void (*hook)(struct drm_device *dev); --}; -+} __do_const; - - /* For systems that don't have a meaningful PCI subdevice/subvendor ID */ - struct intel_dmi_quirk { - void (*hook)(struct drm_device *dev); - const struct dmi_system_id (*dmi_id_list)[]; --}; -+} __do_const; - - static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) - { -@@ -13631,18 +13631,20 @@ static int intel_dmi_reverse_brightness(const struct dmi_system_id *id) - return 1; - } - --static const struct intel_dmi_quirk intel_dmi_quirks[] = { -+static const struct dmi_system_id intel_dmi_quirks_table[] = { - { -- .dmi_id_list = &(const struct dmi_system_id[]) { -- { -- .callback = intel_dmi_reverse_brightness, -- .ident = "NCR Corporation", -- .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), -- DMI_MATCH(DMI_PRODUCT_NAME, ""), -- }, -- }, -- { } /* terminating entry */ -+ .callback = intel_dmi_reverse_brightness, -+ .ident = "NCR Corporation", -+ .matches = {DMI_MATCH(DMI_SYS_VENDOR, "NCR Corporation"), -+ DMI_MATCH(DMI_PRODUCT_NAME, ""), - }, -+ }, -+ { } /* terminating entry */ -+}; -+ -+static const struct intel_dmi_quirk intel_dmi_quirks[] = { -+ { -+ .dmi_id_list = &intel_dmi_quirks_table, - .hook = quirk_invert_brightness, - }, - }; -diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c -index 74f505b..21f6914 100644 ---- a/drivers/gpu/drm/imx/imx-drm-core.c -+++ b/drivers/gpu/drm/imx/imx-drm-core.c -@@ -355,7 +355,7 @@ int imx_drm_add_crtc(struct drm_device *drm, struct drm_crtc *crtc, - if (imxdrm->pipes >= MAX_CRTC) - return -EINVAL; - -- if (imxdrm->drm->open_count) -+ if (local_read(&imxdrm->drm->open_count)) - return -EBUSY; - - imx_drm_crtc = kzalloc(sizeof(*imx_drm_crtc), GFP_KERNEL); -diff --git a/drivers/gpu/drm/mga/mga_drv.h b/drivers/gpu/drm/mga/mga_drv.h -index b4a20149..219ab78 100644 ---- a/drivers/gpu/drm/mga/mga_drv.h -+++ b/drivers/gpu/drm/mga/mga_drv.h -@@ -122,9 +122,9 @@ typedef struct drm_mga_private { - u32 clear_cmd; - u32 maccess; - -- atomic_t vbl_received; /**< Number of vblanks received. */ -+ atomic_unchecked_t vbl_received; /**< Number of vblanks received. */ - wait_queue_head_t fence_queue; -- atomic_t last_fence_retired; -+ atomic_unchecked_t last_fence_retired; - u32 next_fence_to_post; - - unsigned int fb_cpp; -diff --git a/drivers/gpu/drm/mga/mga_ioc32.c b/drivers/gpu/drm/mga/mga_ioc32.c -index 729bfd5..14bae78 100644 ---- a/drivers/gpu/drm/mga/mga_ioc32.c -+++ b/drivers/gpu/drm/mga/mga_ioc32.c -@@ -190,7 +190,7 @@ static int compat_mga_dma_bootstrap(struct file *file, unsigned int cmd, - return 0; - } - --drm_ioctl_compat_t *mga_compat_ioctls[] = { -+drm_ioctl_compat_t mga_compat_ioctls[] = { - [DRM_MGA_INIT] = compat_mga_init, - [DRM_MGA_GETPARAM] = compat_mga_getparam, - [DRM_MGA_DMA_BOOTSTRAP] = compat_mga_dma_bootstrap, -@@ -208,17 +208,13 @@ drm_ioctl_compat_t *mga_compat_ioctls[] = { - long mga_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls)) -- fn = mga_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(mga_compat_ioctls) && mga_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*mga_compat_ioctls[nr - DRM_COMMAND_BASE]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/mga/mga_irq.c b/drivers/gpu/drm/mga/mga_irq.c -index 1b071b8..de8601a 100644 ---- a/drivers/gpu/drm/mga/mga_irq.c -+++ b/drivers/gpu/drm/mga/mga_irq.c -@@ -43,7 +43,7 @@ u32 mga_get_vblank_counter(struct drm_device *dev, int crtc) - if (crtc != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - -@@ -59,7 +59,7 @@ irqreturn_t mga_driver_irq_handler(int irq, void *arg) - /* VBLANK interrupt */ - if (status & MGA_VLINEPEN) { - MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR); -- atomic_inc(&dev_priv->vbl_received); -+ atomic_inc_unchecked(&dev_priv->vbl_received); - drm_handle_vblank(dev, 0); - handled = 1; - } -@@ -78,7 +78,7 @@ irqreturn_t mga_driver_irq_handler(int irq, void *arg) - if ((prim_start & ~0x03) != (prim_end & ~0x03)) - MGA_WRITE(MGA_PRIMEND, prim_end); - -- atomic_inc(&dev_priv->last_fence_retired); -+ atomic_inc_unchecked(&dev_priv->last_fence_retired); - wake_up(&dev_priv->fence_queue); - handled = 1; - } -@@ -129,7 +129,7 @@ int mga_driver_fence_wait(struct drm_device *dev, unsigned int *sequence) - * using fences. - */ - DRM_WAIT_ON(ret, dev_priv->fence_queue, 3 * HZ, -- (((cur_fence = atomic_read(&dev_priv->last_fence_retired)) -+ (((cur_fence = atomic_read_unchecked(&dev_priv->last_fence_retired)) - - *sequence) <= (1 << 23))); - - *sequence = cur_fence; -diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c -index 0190b69..60c3eaf 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_bios.c -+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c -@@ -963,7 +963,7 @@ static int parse_bit_tmds_tbl_entry(struct drm_device *dev, struct nvbios *bios, - struct bit_table { - const char id; - int (* const parse_fn)(struct drm_device *, struct nvbios *, struct bit_entry *); --}; -+} __no_const; - - #define BIT_TABLE(id, funcid) ((struct bit_table){ id, parse_bit_##funcid##_tbl_entry }) - -diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c -index cd6dae0..f25eb48 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_drm.c -+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c -@@ -943,7 +943,8 @@ static struct drm_driver - driver_stub = { - .driver_features = - DRIVER_USE_AGP | -- DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER, -+ DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER | -+ DRIVER_KMS_LEGACY_CONTEXT, - - .load = nouveau_drm_load, - .unload = nouveau_drm_unload, -diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.h b/drivers/gpu/drm/nouveau/nouveau_drm.h -index dd72652..1fd2368 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_drm.h -+++ b/drivers/gpu/drm/nouveau/nouveau_drm.h -@@ -123,7 +123,6 @@ struct nouveau_drm { - struct drm_global_reference mem_global_ref; - struct ttm_bo_global_ref bo_global_ref; - struct ttm_bo_device bdev; -- atomic_t validate_sequence; - int (*move)(struct nouveau_channel *, - struct ttm_buffer_object *, - struct ttm_mem_reg *, struct ttm_mem_reg *); -diff --git a/drivers/gpu/drm/nouveau/nouveau_ioc32.c b/drivers/gpu/drm/nouveau/nouveau_ioc32.c -index 462679a..88e32a7 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_ioc32.c -+++ b/drivers/gpu/drm/nouveau/nouveau_ioc32.c -@@ -50,7 +50,7 @@ long nouveau_compat_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; -+ drm_ioctl_compat_t fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) -diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c -index 18f4497..10f6025 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_ttm.c -+++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c -@@ -130,11 +130,11 @@ nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) - } - - const struct ttm_mem_type_manager_func nouveau_vram_manager = { -- nouveau_vram_manager_init, -- nouveau_vram_manager_fini, -- nouveau_vram_manager_new, -- nouveau_vram_manager_del, -- nouveau_vram_manager_debug -+ .init = nouveau_vram_manager_init, -+ .takedown = nouveau_vram_manager_fini, -+ .get_node = nouveau_vram_manager_new, -+ .put_node = nouveau_vram_manager_del, -+ .debug = nouveau_vram_manager_debug - }; - - static int -@@ -198,11 +198,11 @@ nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) - } - - const struct ttm_mem_type_manager_func nouveau_gart_manager = { -- nouveau_gart_manager_init, -- nouveau_gart_manager_fini, -- nouveau_gart_manager_new, -- nouveau_gart_manager_del, -- nouveau_gart_manager_debug -+ .init = nouveau_gart_manager_init, -+ .takedown = nouveau_gart_manager_fini, -+ .get_node = nouveau_gart_manager_new, -+ .put_node = nouveau_gart_manager_del, -+ .debug = nouveau_gart_manager_debug - }; - - /*XXX*/ -@@ -271,11 +271,11 @@ nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) - } - - const struct ttm_mem_type_manager_func nv04_gart_manager = { -- nv04_gart_manager_init, -- nv04_gart_manager_fini, -- nv04_gart_manager_new, -- nv04_gart_manager_del, -- nv04_gart_manager_debug -+ .init = nv04_gart_manager_init, -+ .takedown = nv04_gart_manager_fini, -+ .get_node = nv04_gart_manager_new, -+ .put_node = nv04_gart_manager_del, -+ .debug = nv04_gart_manager_debug - }; - - int -diff --git a/drivers/gpu/drm/nouveau/nouveau_vga.c b/drivers/gpu/drm/nouveau/nouveau_vga.c -index c7592ec..dd45ebc 100644 ---- a/drivers/gpu/drm/nouveau/nouveau_vga.c -+++ b/drivers/gpu/drm/nouveau/nouveau_vga.c -@@ -72,7 +72,7 @@ nouveau_switcheroo_can_switch(struct pci_dev *pdev) - * locking inversion with the driver load path. And the access here is - * completely racy anyway. So don't bother with locking for now. - */ -- return dev->open_count == 0; -+ return local_read(&dev->open_count) == 0; - } - - static const struct vga_switcheroo_client_ops -diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c -index f33251d..22f6cb1 100644 ---- a/drivers/gpu/drm/qxl/qxl_cmd.c -+++ b/drivers/gpu/drm/qxl/qxl_cmd.c -@@ -285,27 +285,27 @@ static int wait_for_io_cmd_user(struct qxl_device *qdev, uint8_t val, long port, - int ret; - - mutex_lock(&qdev->async_io_mutex); -- irq_num = atomic_read(&qdev->irq_received_io_cmd); -+ irq_num = atomic_read_unchecked(&qdev->irq_received_io_cmd); - if (qdev->last_sent_io_cmd > irq_num) { - if (intr) - ret = wait_event_interruptible_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - else - ret = wait_event_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - /* 0 is timeout, just bail the "hw" has gone away */ - if (ret <= 0) - goto out; -- irq_num = atomic_read(&qdev->irq_received_io_cmd); -+ irq_num = atomic_read_unchecked(&qdev->irq_received_io_cmd); - } - outb(val, addr); - qdev->last_sent_io_cmd = irq_num + 1; - if (intr) - ret = wait_event_interruptible_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - else - ret = wait_event_timeout(qdev->io_cmd_event, -- atomic_read(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); -+ atomic_read_unchecked(&qdev->irq_received_io_cmd) > irq_num, 5*HZ); - out: - if (ret > 0) - ret = 0; -diff --git a/drivers/gpu/drm/qxl/qxl_debugfs.c b/drivers/gpu/drm/qxl/qxl_debugfs.c -index 6911b8c..89d6867 100644 ---- a/drivers/gpu/drm/qxl/qxl_debugfs.c -+++ b/drivers/gpu/drm/qxl/qxl_debugfs.c -@@ -42,10 +42,10 @@ qxl_debugfs_irq_received(struct seq_file *m, void *data) - struct drm_info_node *node = (struct drm_info_node *) m->private; - struct qxl_device *qdev = node->minor->dev->dev_private; - -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received)); -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_display)); -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_cursor)); -- seq_printf(m, "%d\n", atomic_read(&qdev->irq_received_io_cmd)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_display)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_cursor)); -+ seq_printf(m, "%d\n", atomic_read_unchecked(&qdev->irq_received_io_cmd)); - seq_printf(m, "%d\n", qdev->irq_received_error); - return 0; - } -diff --git a/drivers/gpu/drm/qxl/qxl_drv.h b/drivers/gpu/drm/qxl/qxl_drv.h -index 7c6cafe..460f542 100644 ---- a/drivers/gpu/drm/qxl/qxl_drv.h -+++ b/drivers/gpu/drm/qxl/qxl_drv.h -@@ -290,10 +290,10 @@ struct qxl_device { - unsigned int last_sent_io_cmd; - - /* interrupt handling */ -- atomic_t irq_received; -- atomic_t irq_received_display; -- atomic_t irq_received_cursor; -- atomic_t irq_received_io_cmd; -+ atomic_unchecked_t irq_received; -+ atomic_unchecked_t irq_received_display; -+ atomic_unchecked_t irq_received_cursor; -+ atomic_unchecked_t irq_received_io_cmd; - unsigned irq_received_error; - wait_queue_head_t display_event; - wait_queue_head_t cursor_event; -diff --git a/drivers/gpu/drm/qxl/qxl_ioctl.c b/drivers/gpu/drm/qxl/qxl_ioctl.c -index 7354a4c..f37d7f9 100644 ---- a/drivers/gpu/drm/qxl/qxl_ioctl.c -+++ b/drivers/gpu/drm/qxl/qxl_ioctl.c -@@ -183,7 +183,7 @@ static int qxl_process_single_command(struct qxl_device *qdev, - - /* TODO copy slow path code from i915 */ - fb_cmd = qxl_bo_kmap_atomic_page(qdev, cmd_bo, (release->release_offset & PAGE_SIZE)); -- unwritten = __copy_from_user_inatomic_nocache(fb_cmd + sizeof(union qxl_release_info) + (release->release_offset & ~PAGE_SIZE), (void *)(unsigned long)cmd->command, cmd->command_size); -+ unwritten = __copy_from_user_inatomic_nocache(fb_cmd + sizeof(union qxl_release_info) + (release->release_offset & ~PAGE_SIZE), (void __force_user *)(unsigned long)cmd->command, cmd->command_size); - - { - struct qxl_drawable *draw = fb_cmd; -@@ -203,7 +203,7 @@ static int qxl_process_single_command(struct qxl_device *qdev, - struct drm_qxl_reloc reloc; - - if (copy_from_user(&reloc, -- &((struct drm_qxl_reloc *)(uintptr_t)cmd->relocs)[i], -+ &((struct drm_qxl_reloc __force_user *)(uintptr_t)cmd->relocs)[i], - sizeof(reloc))) { - ret = -EFAULT; - goto out_free_bos; -@@ -296,10 +296,10 @@ static int qxl_execbuffer_ioctl(struct drm_device *dev, void *data, - - for (cmd_num = 0; cmd_num < execbuffer->commands_num; ++cmd_num) { - -- struct drm_qxl_command *commands = -- (struct drm_qxl_command *)(uintptr_t)execbuffer->commands; -+ struct drm_qxl_command __user *commands = -+ (struct drm_qxl_command __user *)(uintptr_t)execbuffer->commands; - -- if (copy_from_user(&user_cmd, &commands[cmd_num], -+ if (copy_from_user(&user_cmd, (struct drm_qxl_command __force_user *)&commands[cmd_num], - sizeof(user_cmd))) - return -EFAULT; - -diff --git a/drivers/gpu/drm/qxl/qxl_irq.c b/drivers/gpu/drm/qxl/qxl_irq.c -index 0bf1e20..42a7310 100644 ---- a/drivers/gpu/drm/qxl/qxl_irq.c -+++ b/drivers/gpu/drm/qxl/qxl_irq.c -@@ -36,19 +36,19 @@ irqreturn_t qxl_irq_handler(int irq, void *arg) - if (!pending) - return IRQ_NONE; - -- atomic_inc(&qdev->irq_received); -+ atomic_inc_unchecked(&qdev->irq_received); - - if (pending & QXL_INTERRUPT_DISPLAY) { -- atomic_inc(&qdev->irq_received_display); -+ atomic_inc_unchecked(&qdev->irq_received_display); - wake_up_all(&qdev->display_event); - qxl_queue_garbage_collect(qdev, false); - } - if (pending & QXL_INTERRUPT_CURSOR) { -- atomic_inc(&qdev->irq_received_cursor); -+ atomic_inc_unchecked(&qdev->irq_received_cursor); - wake_up_all(&qdev->cursor_event); - } - if (pending & QXL_INTERRUPT_IO_CMD) { -- atomic_inc(&qdev->irq_received_io_cmd); -+ atomic_inc_unchecked(&qdev->irq_received_io_cmd); - wake_up_all(&qdev->io_cmd_event); - } - if (pending & QXL_INTERRUPT_ERROR) { -@@ -85,10 +85,10 @@ int qxl_irq_init(struct qxl_device *qdev) - init_waitqueue_head(&qdev->io_cmd_event); - INIT_WORK(&qdev->client_monitors_config_work, - qxl_client_monitors_config_work_func); -- atomic_set(&qdev->irq_received, 0); -- atomic_set(&qdev->irq_received_display, 0); -- atomic_set(&qdev->irq_received_cursor, 0); -- atomic_set(&qdev->irq_received_io_cmd, 0); -+ atomic_set_unchecked(&qdev->irq_received, 0); -+ atomic_set_unchecked(&qdev->irq_received_display, 0); -+ atomic_set_unchecked(&qdev->irq_received_cursor, 0); -+ atomic_set_unchecked(&qdev->irq_received_io_cmd, 0); - qdev->irq_received_error = 0; - ret = drm_irq_install(qdev->ddev, qdev->ddev->pdev->irq); - qdev->ram_header->int_mask = QXL_INTERRUPT_MASK; -diff --git a/drivers/gpu/drm/qxl/qxl_ttm.c b/drivers/gpu/drm/qxl/qxl_ttm.c -index 0cbc4c9..0e46686 100644 ---- a/drivers/gpu/drm/qxl/qxl_ttm.c -+++ b/drivers/gpu/drm/qxl/qxl_ttm.c -@@ -103,7 +103,7 @@ static void qxl_ttm_global_fini(struct qxl_device *qdev) - } - } - --static struct vm_operations_struct qxl_ttm_vm_ops; -+static vm_operations_struct_no_const qxl_ttm_vm_ops __read_only; - static const struct vm_operations_struct *ttm_vm_ops; - - static int qxl_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -@@ -145,8 +145,10 @@ int qxl_mmap(struct file *filp, struct vm_area_struct *vma) - return r; - if (unlikely(ttm_vm_ops == NULL)) { - ttm_vm_ops = vma->vm_ops; -+ pax_open_kernel(); - qxl_ttm_vm_ops = *ttm_vm_ops; - qxl_ttm_vm_ops.fault = &qxl_ttm_fault; -+ pax_close_kernel(); - } - vma->vm_ops = &qxl_ttm_vm_ops; - return 0; -@@ -464,25 +466,23 @@ static int qxl_mm_dump_table(struct seq_file *m, void *data) - static int qxl_ttm_debugfs_init(struct qxl_device *qdev) - { - #if defined(CONFIG_DEBUG_FS) -- static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES]; -- static char qxl_mem_types_names[QXL_DEBUGFS_MEM_TYPES][32]; -- unsigned i; -+ static struct drm_info_list qxl_mem_types_list[QXL_DEBUGFS_MEM_TYPES] = { -+ { -+ .name = "qxl_mem_mm", -+ .show = &qxl_mm_dump_table, -+ }, -+ { -+ .name = "qxl_surf_mm", -+ .show = &qxl_mm_dump_table, -+ } -+ }; - -- for (i = 0; i < QXL_DEBUGFS_MEM_TYPES; i++) { -- if (i == 0) -- sprintf(qxl_mem_types_names[i], "qxl_mem_mm"); -- else -- sprintf(qxl_mem_types_names[i], "qxl_surf_mm"); -- qxl_mem_types_list[i].name = qxl_mem_types_names[i]; -- qxl_mem_types_list[i].show = &qxl_mm_dump_table; -- qxl_mem_types_list[i].driver_features = 0; -- if (i == 0) -- qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv; -- else -- qxl_mem_types_list[i].data = qdev->mman.bdev.man[TTM_PL_PRIV0].priv; -+ pax_open_kernel(); -+ *(void **)&qxl_mem_types_list[0].data = qdev->mman.bdev.man[TTM_PL_VRAM].priv; -+ *(void **)&qxl_mem_types_list[1].data = qdev->mman.bdev.man[TTM_PL_PRIV0].priv; -+ pax_close_kernel(); - -- } -- return qxl_debugfs_add_files(qdev, qxl_mem_types_list, i); -+ return qxl_debugfs_add_files(qdev, qxl_mem_types_list, QXL_DEBUGFS_MEM_TYPES); - #else - return 0; - #endif -diff --git a/drivers/gpu/drm/r128/r128_cce.c b/drivers/gpu/drm/r128/r128_cce.c -index 2c45ac9..5d740f8 100644 ---- a/drivers/gpu/drm/r128/r128_cce.c -+++ b/drivers/gpu/drm/r128/r128_cce.c -@@ -377,7 +377,7 @@ static int r128_do_init_cce(struct drm_device *dev, drm_r128_init_t *init) - - /* GH: Simple idle check. - */ -- atomic_set(&dev_priv->idle_count, 0); -+ atomic_set_unchecked(&dev_priv->idle_count, 0); - - /* We don't support anything other than bus-mastering ring mode, - * but the ring can be in either AGP or PCI space for the ring -diff --git a/drivers/gpu/drm/r128/r128_drv.h b/drivers/gpu/drm/r128/r128_drv.h -index 723e5d6..102dbaf 100644 ---- a/drivers/gpu/drm/r128/r128_drv.h -+++ b/drivers/gpu/drm/r128/r128_drv.h -@@ -93,14 +93,14 @@ typedef struct drm_r128_private { - int is_pci; - unsigned long cce_buffers_offset; - -- atomic_t idle_count; -+ atomic_unchecked_t idle_count; - - int page_flipping; - int current_page; - u32 crtc_offset; - u32 crtc_offset_cntl; - -- atomic_t vbl_received; -+ atomic_unchecked_t vbl_received; - - u32 color_fmt; - unsigned int front_offset; -diff --git a/drivers/gpu/drm/r128/r128_ioc32.c b/drivers/gpu/drm/r128/r128_ioc32.c -index 663f38c..ec159a1 100644 ---- a/drivers/gpu/drm/r128/r128_ioc32.c -+++ b/drivers/gpu/drm/r128/r128_ioc32.c -@@ -178,7 +178,7 @@ static int compat_r128_getparam(struct file *file, unsigned int cmd, - return drm_ioctl(file, DRM_IOCTL_R128_GETPARAM, (unsigned long)getparam); - } - --drm_ioctl_compat_t *r128_compat_ioctls[] = { -+drm_ioctl_compat_t r128_compat_ioctls[] = { - [DRM_R128_INIT] = compat_r128_init, - [DRM_R128_DEPTH] = compat_r128_depth, - [DRM_R128_STIPPLE] = compat_r128_stipple, -@@ -197,17 +197,13 @@ drm_ioctl_compat_t *r128_compat_ioctls[] = { - long r128_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(r128_compat_ioctls)) -- fn = r128_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(r128_compat_ioctls) && r128_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*r128_compat_ioctls[nr - DRM_COMMAND_BASE]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/r128/r128_irq.c b/drivers/gpu/drm/r128/r128_irq.c -index c2ae496..30b5993 100644 ---- a/drivers/gpu/drm/r128/r128_irq.c -+++ b/drivers/gpu/drm/r128/r128_irq.c -@@ -41,7 +41,7 @@ u32 r128_get_vblank_counter(struct drm_device *dev, int crtc) - if (crtc != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - irqreturn_t r128_driver_irq_handler(int irq, void *arg) -@@ -55,7 +55,7 @@ irqreturn_t r128_driver_irq_handler(int irq, void *arg) - /* VBLANK interrupt */ - if (status & R128_CRTC_VBLANK_INT) { - R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK); -- atomic_inc(&dev_priv->vbl_received); -+ atomic_inc_unchecked(&dev_priv->vbl_received); - drm_handle_vblank(dev, 0); - return IRQ_HANDLED; - } -diff --git a/drivers/gpu/drm/r128/r128_state.c b/drivers/gpu/drm/r128/r128_state.c -index 8fd2d9f..18c9660 100644 ---- a/drivers/gpu/drm/r128/r128_state.c -+++ b/drivers/gpu/drm/r128/r128_state.c -@@ -320,10 +320,10 @@ static void r128_clear_box(drm_r128_private_t *dev_priv, - - static void r128_cce_performance_boxes(drm_r128_private_t *dev_priv) - { -- if (atomic_read(&dev_priv->idle_count) == 0) -+ if (atomic_read_unchecked(&dev_priv->idle_count) == 0) - r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0); - else -- atomic_set(&dev_priv->idle_count, 0); -+ atomic_set_unchecked(&dev_priv->idle_count, 0); - } - - #endif -diff --git a/drivers/gpu/drm/radeon/mkregtable.c b/drivers/gpu/drm/radeon/mkregtable.c -index b928c17..e5d9400 100644 ---- a/drivers/gpu/drm/radeon/mkregtable.c -+++ b/drivers/gpu/drm/radeon/mkregtable.c -@@ -624,14 +624,14 @@ static int parser_auth(struct table *t, const char *filename) - regex_t mask_rex; - regmatch_t match[4]; - char buf[1024]; -- size_t end; -+ long end; - int len; - int done = 0; - int r; - unsigned o; - struct offset *offset; - char last_reg_s[10]; -- int last_reg; -+ unsigned long last_reg; - - if (regcomp - (&mask_rex, "(0x[0-9a-fA-F]*) *([_a-zA-Z0-9]*)", REG_EXTENDED)) { -diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c -index 604c44d..6eb6c4b 100644 ---- a/drivers/gpu/drm/radeon/radeon_device.c -+++ b/drivers/gpu/drm/radeon/radeon_device.c -@@ -1247,7 +1247,7 @@ static bool radeon_switcheroo_can_switch(struct pci_dev *pdev) - * locking inversion with the driver load path. And the access here is - * completely racy anyway. So don't bother with locking for now. - */ -- return dev->open_count == 0; -+ return local_read(&dev->open_count) == 0; - } - - static const struct vga_switcheroo_client_ops radeon_switcheroo_ops = { -diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h -index 46bd393..6ae4719 100644 ---- a/drivers/gpu/drm/radeon/radeon_drv.h -+++ b/drivers/gpu/drm/radeon/radeon_drv.h -@@ -264,7 +264,7 @@ typedef struct drm_radeon_private { - - /* SW interrupt */ - wait_queue_head_t swi_queue; -- atomic_t swi_emitted; -+ atomic_unchecked_t swi_emitted; - int vblank_crtc; - uint32_t irq_enable_reg; - uint32_t r500_disp_irq_reg; -diff --git a/drivers/gpu/drm/radeon/radeon_ioc32.c b/drivers/gpu/drm/radeon/radeon_ioc32.c -index 0b98ea1..a3c770f 100644 ---- a/drivers/gpu/drm/radeon/radeon_ioc32.c -+++ b/drivers/gpu/drm/radeon/radeon_ioc32.c -@@ -358,7 +358,7 @@ static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd, - request = compat_alloc_user_space(sizeof(*request)); - if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) - || __put_user(req32.param, &request->param) -- || __put_user((void __user *)(unsigned long)req32.value, -+ || __put_user((unsigned long)req32.value, - &request->value)) - return -EFAULT; - -@@ -368,7 +368,7 @@ static int compat_radeon_cp_setparam(struct file *file, unsigned int cmd, - #define compat_radeon_cp_setparam NULL - #endif /* X86_64 || IA64 */ - --static drm_ioctl_compat_t *radeon_compat_ioctls[] = { -+static drm_ioctl_compat_t radeon_compat_ioctls[] = { - [DRM_RADEON_CP_INIT] = compat_radeon_cp_init, - [DRM_RADEON_CLEAR] = compat_radeon_cp_clear, - [DRM_RADEON_STIPPLE] = compat_radeon_cp_stipple, -@@ -393,17 +393,13 @@ static drm_ioctl_compat_t *radeon_compat_ioctls[] = { - long radeon_compat_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) - { - unsigned int nr = DRM_IOCTL_NR(cmd); -- drm_ioctl_compat_t *fn = NULL; - int ret; - - if (nr < DRM_COMMAND_BASE) - return drm_compat_ioctl(filp, cmd, arg); - -- if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(radeon_compat_ioctls)) -- fn = radeon_compat_ioctls[nr - DRM_COMMAND_BASE]; -- -- if (fn != NULL) -- ret = (*fn) (filp, cmd, arg); -+ if (nr < DRM_COMMAND_BASE + ARRAY_SIZE(radeon_compat_ioctls) && radeon_compat_ioctls[nr - DRM_COMMAND_BASE]) -+ ret = (*radeon_compat_ioctls[nr - DRM_COMMAND_BASE]) (filp, cmd, arg); - else - ret = drm_ioctl(filp, cmd, arg); - -diff --git a/drivers/gpu/drm/radeon/radeon_irq.c b/drivers/gpu/drm/radeon/radeon_irq.c -index 244b19b..c19226d 100644 ---- a/drivers/gpu/drm/radeon/radeon_irq.c -+++ b/drivers/gpu/drm/radeon/radeon_irq.c -@@ -226,8 +226,8 @@ static int radeon_emit_irq(struct drm_device * dev) - unsigned int ret; - RING_LOCALS; - -- atomic_inc(&dev_priv->swi_emitted); -- ret = atomic_read(&dev_priv->swi_emitted); -+ atomic_inc_unchecked(&dev_priv->swi_emitted); -+ ret = atomic_read_unchecked(&dev_priv->swi_emitted); - - BEGIN_RING(4); - OUT_RING_REG(RADEON_LAST_SWI_REG, ret); -@@ -353,7 +353,7 @@ int radeon_driver_irq_postinstall(struct drm_device *dev) - drm_radeon_private_t *dev_priv = - (drm_radeon_private_t *) dev->dev_private; - -- atomic_set(&dev_priv->swi_emitted, 0); -+ atomic_set_unchecked(&dev_priv->swi_emitted, 0); - init_waitqueue_head(&dev_priv->swi_queue); - - dev->max_vblank_count = 0x001fffff; -diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c -index 15aee72..cda326e 100644 ---- a/drivers/gpu/drm/radeon/radeon_state.c -+++ b/drivers/gpu/drm/radeon/radeon_state.c -@@ -2168,7 +2168,7 @@ static int radeon_cp_clear(struct drm_device *dev, void *data, struct drm_file * - if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS) - sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; - -- if (copy_from_user(&depth_boxes, clear->depth_boxes, -+ if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS || copy_from_user(&depth_boxes, clear->depth_boxes, - sarea_priv->nbox * sizeof(depth_boxes[0]))) - return -EFAULT; - -@@ -3031,7 +3031,7 @@ static int radeon_cp_getparam(struct drm_device *dev, void *data, struct drm_fil - { - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_getparam_t *param = data; -- int value; -+ int value = 0; - - DRM_DEBUG("pid=%d\n", DRM_CURRENTPID); - -diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c -index edafd3c..3af7c9c 100644 ---- a/drivers/gpu/drm/radeon/radeon_ttm.c -+++ b/drivers/gpu/drm/radeon/radeon_ttm.c -@@ -961,7 +961,7 @@ void radeon_ttm_set_active_vram_size(struct radeon_device *rdev, u64 size) - man->size = size >> PAGE_SHIFT; - } - --static struct vm_operations_struct radeon_ttm_vm_ops; -+static vm_operations_struct_no_const radeon_ttm_vm_ops __read_only; - static const struct vm_operations_struct *ttm_vm_ops = NULL; - - static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -@@ -1002,8 +1002,10 @@ int radeon_mmap(struct file *filp, struct vm_area_struct *vma) - } - if (unlikely(ttm_vm_ops == NULL)) { - ttm_vm_ops = vma->vm_ops; -+ pax_open_kernel(); - radeon_ttm_vm_ops = *ttm_vm_ops; - radeon_ttm_vm_ops.fault = &radeon_ttm_fault; -+ pax_close_kernel(); - } - vma->vm_ops = &radeon_ttm_vm_ops; - return 0; -diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c -index a287e4f..df1d5dd 100644 ---- a/drivers/gpu/drm/tegra/dc.c -+++ b/drivers/gpu/drm/tegra/dc.c -@@ -1594,7 +1594,7 @@ static int tegra_dc_debugfs_init(struct tegra_dc *dc, struct drm_minor *minor) - } - - for (i = 0; i < ARRAY_SIZE(debugfs_files); i++) -- dc->debugfs_files[i].data = dc; -+ *(void **)&dc->debugfs_files[i].data = dc; - - err = drm_debugfs_create_files(dc->debugfs_files, - ARRAY_SIZE(debugfs_files), -diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c -index ed970f6..4eeea42 100644 ---- a/drivers/gpu/drm/tegra/dsi.c -+++ b/drivers/gpu/drm/tegra/dsi.c -@@ -62,7 +62,7 @@ struct tegra_dsi { - struct clk *clk_lp; - struct clk *clk; - -- struct drm_info_list *debugfs_files; -+ drm_info_list_no_const *debugfs_files; - struct drm_minor *minor; - struct dentry *debugfs; - -diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c -index 06ab178..b5324e4 100644 ---- a/drivers/gpu/drm/tegra/hdmi.c -+++ b/drivers/gpu/drm/tegra/hdmi.c -@@ -64,7 +64,7 @@ struct tegra_hdmi { - bool stereo; - bool dvi; - -- struct drm_info_list *debugfs_files; -+ drm_info_list_no_const *debugfs_files; - struct drm_minor *minor; - struct dentry *debugfs; - }; -diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c -index 7591d89..463e2b6 100644 ---- a/drivers/gpu/drm/tegra/sor.c -+++ b/drivers/gpu/drm/tegra/sor.c -@@ -826,8 +826,11 @@ static int tegra_sor_debugfs_init(struct tegra_sor *sor, - goto remove; - } - -- for (i = 0; i < ARRAY_SIZE(debugfs_files); i++) -- sor->debugfs_files[i].data = sor; -+ for (i = 0; i < ARRAY_SIZE(debugfs_files); i++) { -+ pax_open_kernel(); -+ *(void **)&sor->debugfs_files[i].data = sor; -+ pax_close_kernel(); -+ } - - err = drm_debugfs_create_files(sor->debugfs_files, - ARRAY_SIZE(debugfs_files), -diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c -index aa0bd054..aea6a01 100644 ---- a/drivers/gpu/drm/ttm/ttm_bo_manager.c -+++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c -@@ -148,10 +148,10 @@ static void ttm_bo_man_debug(struct ttm_mem_type_manager *man, - } - - const struct ttm_mem_type_manager_func ttm_bo_manager_func = { -- ttm_bo_man_init, -- ttm_bo_man_takedown, -- ttm_bo_man_get_node, -- ttm_bo_man_put_node, -- ttm_bo_man_debug -+ .init = ttm_bo_man_init, -+ .takedown = ttm_bo_man_takedown, -+ .get_node = ttm_bo_man_get_node, -+ .put_node = ttm_bo_man_put_node, -+ .debug = ttm_bo_man_debug - }; - EXPORT_SYMBOL(ttm_bo_manager_func); -diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c -index a1803fb..c53f6b0 100644 ---- a/drivers/gpu/drm/ttm/ttm_memory.c -+++ b/drivers/gpu/drm/ttm/ttm_memory.c -@@ -264,7 +264,7 @@ static int ttm_mem_init_kernel_zone(struct ttm_mem_global *glob, - zone->glob = glob; - glob->zone_kernel = zone; - ret = kobject_init_and_add( -- &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name); -+ &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, "%s", zone->name); - if (unlikely(ret != 0)) { - kobject_put(&zone->kobj); - return ret; -@@ -348,7 +348,7 @@ static int ttm_mem_init_dma32_zone(struct ttm_mem_global *glob, - zone->glob = glob; - glob->zone_dma32 = zone; - ret = kobject_init_and_add( -- &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, zone->name); -+ &zone->kobj, &ttm_mem_zone_kobj_type, &glob->kobj, "%s", zone->name); - if (unlikely(ret != 0)) { - kobject_put(&zone->kobj); - return ret; -diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c -index 025c429..314062f 100644 ---- a/drivers/gpu/drm/ttm/ttm_page_alloc.c -+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c -@@ -54,7 +54,7 @@ - - #define NUM_PAGES_TO_ALLOC (PAGE_SIZE/sizeof(struct page *)) - #define SMALL_ALLOCATION 16 --#define FREE_ALL_PAGES (~0U) -+#define FREE_ALL_PAGES (~0UL) - /* times are in msecs */ - #define PAGE_FREE_INTERVAL 1000 - -@@ -299,15 +299,14 @@ static void ttm_pool_update_free_locked(struct ttm_page_pool *pool, - * @free_all: If set to true will free all pages in pool - * @use_static: Safe to use static buffer - **/ --static int ttm_page_pool_free(struct ttm_page_pool *pool, unsigned nr_free, -+static unsigned long ttm_page_pool_free(struct ttm_page_pool *pool, unsigned long nr_free, - bool use_static) - { - static struct page *static_buf[NUM_PAGES_TO_ALLOC]; - unsigned long irq_flags; - struct page *p; - struct page **pages_to_free; -- unsigned freed_pages = 0, -- npages_to_free = nr_free; -+ unsigned long freed_pages = 0, npages_to_free = nr_free; - - if (NUM_PAGES_TO_ALLOC < nr_free) - npages_to_free = NUM_PAGES_TO_ALLOC; -@@ -371,7 +370,8 @@ restart: - __list_del(&p->lru, &pool->list); - - ttm_pool_update_free_locked(pool, freed_pages); -- nr_free -= freed_pages; -+ if (likely(nr_free != FREE_ALL_PAGES)) -+ nr_free -= freed_pages; - } - - spin_unlock_irqrestore(&pool->lock, irq_flags); -@@ -399,7 +399,7 @@ ttm_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - unsigned i; - unsigned pool_offset; - struct ttm_page_pool *pool; -- int shrink_pages = sc->nr_to_scan; -+ unsigned long shrink_pages = sc->nr_to_scan; - unsigned long freed = 0; - - if (!mutex_trylock(&lock)) -@@ -407,7 +407,7 @@ ttm_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - pool_offset = ++start_pool % NUM_POOLS; - /* select start pool in round robin fashion */ - for (i = 0; i < NUM_POOLS; ++i) { -- unsigned nr_free = shrink_pages; -+ unsigned long nr_free = shrink_pages; - if (shrink_pages == 0) - break; - pool = &_manager->pools[(i + pool_offset)%NUM_POOLS]; -@@ -673,7 +673,7 @@ out: - } - - /* Put all pages in pages list to correct pool to wait for reuse */ --static void ttm_put_pages(struct page **pages, unsigned npages, int flags, -+static void ttm_put_pages(struct page **pages, unsigned long npages, int flags, - enum ttm_caching_state cstate) - { - unsigned long irq_flags; -@@ -728,7 +728,7 @@ static int ttm_get_pages(struct page **pages, unsigned npages, int flags, - struct list_head plist; - struct page *p = NULL; - gfp_t gfp_flags = GFP_USER; -- unsigned count; -+ unsigned long count; - int r; - - /* set zero flag for page allocation if required */ -diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c -index 01e1d27..aaa018a 100644 ---- a/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c -+++ b/drivers/gpu/drm/ttm/ttm_page_alloc_dma.c -@@ -56,7 +56,7 @@ - - #define NUM_PAGES_TO_ALLOC (PAGE_SIZE/sizeof(struct page *)) - #define SMALL_ALLOCATION 4 --#define FREE_ALL_PAGES (~0U) -+#define FREE_ALL_PAGES (~0UL) - /* times are in msecs */ - #define IS_UNDEFINED (0) - #define IS_WC (1<<1) -@@ -413,7 +413,7 @@ static void ttm_dma_page_put(struct dma_pool *pool, struct dma_page *d_page) - * @nr_free: If set to true will free all pages in pool - * @use_static: Safe to use static buffer - **/ --static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free, -+static unsigned long ttm_dma_page_pool_free(struct dma_pool *pool, unsigned long nr_free, - bool use_static) - { - static struct page *static_buf[NUM_PAGES_TO_ALLOC]; -@@ -421,8 +421,7 @@ static unsigned ttm_dma_page_pool_free(struct dma_pool *pool, unsigned nr_free, - struct dma_page *dma_p, *tmp; - struct page **pages_to_free; - struct list_head d_pages; -- unsigned freed_pages = 0, -- npages_to_free = nr_free; -+ unsigned long freed_pages = 0, npages_to_free = nr_free; - - if (NUM_PAGES_TO_ALLOC < nr_free) - npages_to_free = NUM_PAGES_TO_ALLOC; -@@ -499,7 +498,8 @@ restart: - /* remove range of pages from the pool */ - if (freed_pages) { - ttm_pool_update_free_locked(pool, freed_pages); -- nr_free -= freed_pages; -+ if (likely(nr_free != FREE_ALL_PAGES)) -+ nr_free -= freed_pages; - } - - spin_unlock_irqrestore(&pool->lock, irq_flags); -@@ -936,7 +936,7 @@ void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev) - struct dma_page *d_page, *next; - enum pool_type type; - bool is_cached = false; -- unsigned count = 0, i, npages = 0; -+ unsigned long count = 0, i, npages = 0; - unsigned long irq_flags; - - type = ttm_to_type(ttm->page_flags, ttm->caching_state); -@@ -1012,7 +1012,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - static unsigned start_pool; - unsigned idx = 0; - unsigned pool_offset; -- unsigned shrink_pages = sc->nr_to_scan; -+ unsigned long shrink_pages = sc->nr_to_scan; - struct device_pools *p; - unsigned long freed = 0; - -@@ -1025,7 +1025,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - goto out; - pool_offset = ++start_pool % _manager->npools; - list_for_each_entry(p, &_manager->pools, pools) { -- unsigned nr_free; -+ unsigned long nr_free; - - if (!p->dev) - continue; -@@ -1039,7 +1039,7 @@ ttm_dma_pool_shrink_scan(struct shrinker *shrink, struct shrink_control *sc) - shrink_pages = ttm_dma_page_pool_free(p->pool, nr_free, true); - freed += nr_free - shrink_pages; - -- pr_debug("%s: (%s:%d) Asked to shrink %d, have %d more to go\n", -+ pr_debug("%s: (%s:%d) Asked to shrink %lu, have %lu more to go\n", - p->pool->dev_name, p->pool->name, current->pid, - nr_free, shrink_pages); - } -diff --git a/drivers/gpu/drm/udl/udl_fb.c b/drivers/gpu/drm/udl/udl_fb.c -index 5fc16ce..1bd84ec 100644 ---- a/drivers/gpu/drm/udl/udl_fb.c -+++ b/drivers/gpu/drm/udl/udl_fb.c -@@ -367,7 +367,6 @@ static int udl_fb_release(struct fb_info *info, int user) - fb_deferred_io_cleanup(info); - kfree(info->fbdefio); - info->fbdefio = NULL; -- info->fbops->fb_mmap = udl_fb_mmap; - } - - pr_warn("released /dev/fb%d user=%d count=%d\n", -diff --git a/drivers/gpu/drm/via/via_drv.h b/drivers/gpu/drm/via/via_drv.h -index ef8c500..01030c8 100644 ---- a/drivers/gpu/drm/via/via_drv.h -+++ b/drivers/gpu/drm/via/via_drv.h -@@ -53,7 +53,7 @@ typedef struct drm_via_ring_buffer { - typedef uint32_t maskarray_t[5]; - - typedef struct drm_via_irq { -- atomic_t irq_received; -+ atomic_unchecked_t irq_received; - uint32_t pending_mask; - uint32_t enable_mask; - wait_queue_head_t irq_queue; -@@ -77,7 +77,7 @@ typedef struct drm_via_private { - struct timeval last_vblank; - int last_vblank_valid; - unsigned usec_per_vblank; -- atomic_t vbl_received; -+ atomic_unchecked_t vbl_received; - drm_via_state_t hc_state; - char pci_buf[VIA_PCI_BUF_SIZE]; - const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE]; -diff --git a/drivers/gpu/drm/via/via_irq.c b/drivers/gpu/drm/via/via_irq.c -index 1319433..a993b0c 100644 ---- a/drivers/gpu/drm/via/via_irq.c -+++ b/drivers/gpu/drm/via/via_irq.c -@@ -101,7 +101,7 @@ u32 via_get_vblank_counter(struct drm_device *dev, int crtc) - if (crtc != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - irqreturn_t via_driver_irq_handler(int irq, void *arg) -@@ -116,8 +116,8 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg) - - status = VIA_READ(VIA_REG_INTERRUPT); - if (status & VIA_IRQ_VBLANK_PENDING) { -- atomic_inc(&dev_priv->vbl_received); -- if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) { -+ atomic_inc_unchecked(&dev_priv->vbl_received); -+ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0x0F)) { - do_gettimeofday(&cur_vblank); - if (dev_priv->last_vblank_valid) { - dev_priv->usec_per_vblank = -@@ -127,7 +127,7 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg) - dev_priv->last_vblank = cur_vblank; - dev_priv->last_vblank_valid = 1; - } -- if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) { -+ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0xFF)) { - DRM_DEBUG("US per vblank is: %u\n", - dev_priv->usec_per_vblank); - } -@@ -137,7 +137,7 @@ irqreturn_t via_driver_irq_handler(int irq, void *arg) - - for (i = 0; i < dev_priv->num_irqs; ++i) { - if (status & cur_irq->pending_mask) { -- atomic_inc(&cur_irq->irq_received); -+ atomic_inc_unchecked(&cur_irq->irq_received); - wake_up(&cur_irq->irq_queue); - handled = 1; - if (dev_priv->irq_map[drm_via_irq_dma0_td] == i) -@@ -242,11 +242,11 @@ via_driver_irq_wait(struct drm_device *dev, unsigned int irq, int force_sequence - DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * HZ, - ((VIA_READ(masks[irq][2]) & masks[irq][3]) == - masks[irq][4])); -- cur_irq_sequence = atomic_read(&cur_irq->irq_received); -+ cur_irq_sequence = atomic_read_unchecked(&cur_irq->irq_received); - } else { - DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * HZ, - (((cur_irq_sequence = -- atomic_read(&cur_irq->irq_received)) - -+ atomic_read_unchecked(&cur_irq->irq_received)) - - *sequence) <= (1 << 23))); - } - *sequence = cur_irq_sequence; -@@ -284,7 +284,7 @@ void via_driver_irq_preinstall(struct drm_device *dev) - } - - for (i = 0; i < dev_priv->num_irqs; ++i) { -- atomic_set(&cur_irq->irq_received, 0); -+ atomic_set_unchecked(&cur_irq->irq_received, 0); - cur_irq->enable_mask = dev_priv->irq_masks[i][0]; - cur_irq->pending_mask = dev_priv->irq_masks[i][1]; - init_waitqueue_head(&cur_irq->irq_queue); -@@ -366,7 +366,7 @@ int via_wait_irq(struct drm_device *dev, void *data, struct drm_file *file_priv) - switch (irqwait->request.type & ~VIA_IRQ_FLAGS_MASK) { - case VIA_IRQ_RELATIVE: - irqwait->request.sequence += -- atomic_read(&cur_irq->irq_received); -+ atomic_read_unchecked(&cur_irq->irq_received); - irqwait->request.type &= ~_DRM_VBLANK_RELATIVE; - case VIA_IRQ_ABSOLUTE: - break; -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h -index d26a6da..5fa41ed 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h -@@ -447,7 +447,7 @@ struct vmw_private { - * Fencing and IRQs. - */ - -- atomic_t marker_seq; -+ atomic_unchecked_t marker_seq; - wait_queue_head_t fence_queue; - wait_queue_head_t fifo_queue; - spinlock_t waiter_lock; -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -index 39f2b03..d1b0a64 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c -@@ -152,7 +152,7 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo) - (unsigned int) min, - (unsigned int) fifo->capabilities); - -- atomic_set(&dev_priv->marker_seq, dev_priv->last_read_seqno); -+ atomic_set_unchecked(&dev_priv->marker_seq, dev_priv->last_read_seqno); - iowrite32(dev_priv->last_read_seqno, fifo_mem + SVGA_FIFO_FENCE); - vmw_marker_queue_init(&fifo->marker_queue); - return vmw_fifo_send_fence(dev_priv, &dummy); -@@ -372,7 +372,7 @@ void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes) - if (reserveable) - iowrite32(bytes, fifo_mem + - SVGA_FIFO_RESERVED); -- return fifo_mem + (next_cmd >> 2); -+ return (__le32 __force_kernel *)fifo_mem + (next_cmd >> 2); - } else { - need_bounce = true; - } -@@ -492,7 +492,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno) - - fm = vmw_fifo_reserve(dev_priv, bytes); - if (unlikely(fm == NULL)) { -- *seqno = atomic_read(&dev_priv->marker_seq); -+ *seqno = atomic_read_unchecked(&dev_priv->marker_seq); - ret = -ENOMEM; - (void)vmw_fallback_wait(dev_priv, false, true, *seqno, - false, 3*HZ); -@@ -500,7 +500,7 @@ int vmw_fifo_send_fence(struct vmw_private *dev_priv, uint32_t *seqno) - } - - do { -- *seqno = atomic_add_return(1, &dev_priv->marker_seq); -+ *seqno = atomic_add_return_unchecked(1, &dev_priv->marker_seq); - } while (*seqno == 0); - - if (!(fifo_state->capabilities & SVGA_FIFO_CAP_FENCE)) { -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c -index 170b61b..fec7348 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c -@@ -164,9 +164,9 @@ static void vmw_gmrid_man_debug(struct ttm_mem_type_manager *man, - } - - const struct ttm_mem_type_manager_func vmw_gmrid_manager_func = { -- vmw_gmrid_man_init, -- vmw_gmrid_man_takedown, -- vmw_gmrid_man_get_node, -- vmw_gmrid_man_put_node, -- vmw_gmrid_man_debug -+ .init = vmw_gmrid_man_init, -+ .takedown = vmw_gmrid_man_takedown, -+ .get_node = vmw_gmrid_man_get_node, -+ .put_node = vmw_gmrid_man_put_node, -+ .debug = vmw_gmrid_man_debug - }; -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c -index 69c8ce2..cacb0ab 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c -@@ -235,7 +235,7 @@ int vmw_present_ioctl(struct drm_device *dev, void *data, - int ret; - - num_clips = arg->num_clips; -- clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr; -+ clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr; - - if (unlikely(num_clips == 0)) - return 0; -@@ -318,7 +318,7 @@ int vmw_present_readback_ioctl(struct drm_device *dev, void *data, - int ret; - - num_clips = arg->num_clips; -- clips_ptr = (struct drm_vmw_rect *)(unsigned long)arg->clips_ptr; -+ clips_ptr = (struct drm_vmw_rect __user *)(unsigned long)arg->clips_ptr; - - if (unlikely(num_clips == 0)) - return 0; -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c -index 9fe9827..0aa2fc0 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c -@@ -102,7 +102,7 @@ bool vmw_seqno_passed(struct vmw_private *dev_priv, - * emitted. Then the fence is stale and signaled. - */ - -- ret = ((atomic_read(&dev_priv->marker_seq) - seqno) -+ ret = ((atomic_read_unchecked(&dev_priv->marker_seq) - seqno) - > VMW_FENCE_WRAP); - - return ret; -@@ -133,7 +133,7 @@ int vmw_fallback_wait(struct vmw_private *dev_priv, - - if (fifo_idle) - down_read(&fifo_state->rwsem); -- signal_seq = atomic_read(&dev_priv->marker_seq); -+ signal_seq = atomic_read_unchecked(&dev_priv->marker_seq); - ret = 0; - - for (;;) { -diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c -index efd1ffd..0ae13ca 100644 ---- a/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c -+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_marker.c -@@ -135,7 +135,7 @@ int vmw_wait_lag(struct vmw_private *dev_priv, - while (!vmw_lag_lt(queue, us)) { - spin_lock(&queue->lock); - if (list_empty(&queue->head)) -- seqno = atomic_read(&dev_priv->marker_seq); -+ seqno = atomic_read_unchecked(&dev_priv->marker_seq); - else { - marker = list_first_entry(&queue->head, - struct vmw_marker, head); -diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c -index 37ac7b5..d52a5c9 100644 ---- a/drivers/gpu/vga/vga_switcheroo.c -+++ b/drivers/gpu/vga/vga_switcheroo.c -@@ -644,7 +644,7 @@ static int vga_switcheroo_runtime_resume(struct device *dev) - - /* this version is for the case where the power switch is separate - to the device being powered down. */ --int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) -+int vga_switcheroo_init_domain_pm_ops(struct device *dev, dev_pm_domain_no_const *domain) - { - /* copy over all the bus versions */ - if (dev->bus && dev->bus->pm) { -@@ -695,7 +695,7 @@ static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev) - return ret; - } - --int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) -+int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, dev_pm_domain_no_const *domain) - { - /* copy over all the bus versions */ - if (dev->bus && dev->bus->pm) { -diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c -index 722a925..594c312 100644 ---- a/drivers/hid/hid-core.c -+++ b/drivers/hid/hid-core.c -@@ -2552,7 +2552,7 @@ EXPORT_SYMBOL_GPL(hid_ignore); - - int hid_add_device(struct hid_device *hdev) - { -- static atomic_t id = ATOMIC_INIT(0); -+ static atomic_unchecked_t id = ATOMIC_INIT(0); - int ret; - - if (WARN_ON(hdev->status & HID_STAT_ADDED)) -@@ -2595,7 +2595,7 @@ int hid_add_device(struct hid_device *hdev) - /* XXX hack, any other cleaner solution after the driver core - * is converted to allow more than 20 bytes as the device name? */ - dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, -- hdev->vendor, hdev->product, atomic_inc_return(&id)); -+ hdev->vendor, hdev->product, atomic_inc_return_unchecked(&id)); - - hid_debug_register(hdev, dev_name(&hdev->dev)); - ret = device_add(&hdev->dev); -diff --git a/drivers/hid/hid-sensor-custom.c b/drivers/hid/hid-sensor-custom.c -index 5614fee..8301fbf 100644 ---- a/drivers/hid/hid-sensor-custom.c -+++ b/drivers/hid/hid-sensor-custom.c -@@ -34,7 +34,7 @@ struct hid_sensor_custom_field { - int report_id; - char group_name[HID_CUSTOM_NAME_LENGTH]; - struct hid_sensor_hub_attribute_info attribute; -- struct device_attribute sd_attrs[HID_CUSTOM_MAX_CORE_ATTRS]; -+ device_attribute_no_const sd_attrs[HID_CUSTOM_MAX_CORE_ATTRS]; - char attr_name[HID_CUSTOM_TOTAL_ATTRS][HID_CUSTOM_NAME_LENGTH]; - struct attribute *attrs[HID_CUSTOM_TOTAL_ATTRS]; - struct attribute_group hid_custom_attribute_group; -@@ -590,7 +590,7 @@ static int hid_sensor_custom_add_attributes(struct hid_sensor_custom - j = 0; - while (j < HID_CUSTOM_TOTAL_ATTRS && - hid_custom_attrs[j].name) { -- struct device_attribute *device_attr; -+ device_attribute_no_const *device_attr; - - device_attr = &sensor_inst->fields[i].sd_attrs[j]; - -diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c -index c13fb5b..55a3802 100644 ---- a/drivers/hid/hid-wiimote-debug.c -+++ b/drivers/hid/hid-wiimote-debug.c -@@ -66,7 +66,7 @@ static ssize_t wiidebug_eeprom_read(struct file *f, char __user *u, size_t s, - else if (size == 0) - return -EIO; - -- if (copy_to_user(u, buf, size)) -+ if (size > sizeof(buf) || copy_to_user(u, buf, size)) - return -EFAULT; - - *off += size; -diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c -index 54da66d..aa3a3d7 100644 ---- a/drivers/hv/channel.c -+++ b/drivers/hv/channel.c -@@ -373,7 +373,7 @@ int vmbus_establish_gpadl(struct vmbus_channel *channel, void *kbuffer, - int ret = 0; - - next_gpadl_handle = -- (atomic_inc_return(&vmbus_connection.next_gpadl_handle) - 1); -+ (atomic_inc_return_unchecked(&vmbus_connection.next_gpadl_handle) - 1); - - ret = create_gpadl_header(kbuffer, size, &msginfo, &msgcount); - if (ret) -diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c -index d3943bc..3de28a9 100644 ---- a/drivers/hv/hv.c -+++ b/drivers/hv/hv.c -@@ -118,7 +118,7 @@ static u64 do_hypercall(u64 control, void *input, void *output) - u64 output_address = (output) ? virt_to_phys(output) : 0; - u32 output_address_hi = output_address >> 32; - u32 output_address_lo = output_address & 0xFFFFFFFF; -- void *hypercall_page = hv_context.hypercall_page; -+ void *hypercall_page = ktva_ktla(hv_context.hypercall_page); - - __asm__ __volatile__ ("call *%8" : "=d"(hv_status_hi), - "=a"(hv_status_lo) : "d" (control_hi), -@@ -164,7 +164,7 @@ int hv_init(void) - /* See if the hypercall page is already set */ - rdmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64); - -- virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_EXEC); -+ virtaddr = __vmalloc(PAGE_SIZE, GFP_KERNEL, PAGE_KERNEL_RX); - - if (!virtaddr) - goto cleanup; -diff --git a/drivers/hv/hv_balloon.c b/drivers/hv/hv_balloon.c -index cb5b7dc..6052f22 100644 ---- a/drivers/hv/hv_balloon.c -+++ b/drivers/hv/hv_balloon.c -@@ -469,7 +469,7 @@ MODULE_PARM_DESC(hot_add, "If set attempt memory hot_add"); - - module_param(pressure_report_delay, uint, (S_IRUGO | S_IWUSR)); - MODULE_PARM_DESC(pressure_report_delay, "Delay in secs in reporting pressure"); --static atomic_t trans_id = ATOMIC_INIT(0); -+static atomic_unchecked_t trans_id = ATOMIC_INIT(0); - - static int dm_ring_size = (5 * PAGE_SIZE); - -@@ -941,7 +941,7 @@ static void hot_add_req(struct work_struct *dummy) - pr_info("Memory hot add failed\n"); - - dm->state = DM_INITIALIZED; -- resp.hdr.trans_id = atomic_inc_return(&trans_id); -+ resp.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - vmbus_sendpacket(dm->dev->channel, &resp, - sizeof(struct dm_hot_add_response), - (unsigned long)NULL, -@@ -1022,7 +1022,7 @@ static void post_status(struct hv_dynmem_device *dm) - memset(&status, 0, sizeof(struct dm_status)); - status.hdr.type = DM_STATUS_REPORT; - status.hdr.size = sizeof(struct dm_status); -- status.hdr.trans_id = atomic_inc_return(&trans_id); -+ status.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - - /* - * The host expects the guest to report free and committed memory. -@@ -1046,7 +1046,7 @@ static void post_status(struct hv_dynmem_device *dm) - * send the status. This can happen if we were interrupted - * after we picked our transaction ID. - */ -- if (status.hdr.trans_id != atomic_read(&trans_id)) -+ if (status.hdr.trans_id != atomic_read_unchecked(&trans_id)) - return; - - /* -@@ -1191,7 +1191,7 @@ static void balloon_up(struct work_struct *dummy) - */ - - do { -- bl_resp->hdr.trans_id = atomic_inc_return(&trans_id); -+ bl_resp->hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - ret = vmbus_sendpacket(dm_device.dev->channel, - bl_resp, - bl_resp->hdr.size, -@@ -1237,7 +1237,7 @@ static void balloon_down(struct hv_dynmem_device *dm, - - memset(&resp, 0, sizeof(struct dm_unballoon_response)); - resp.hdr.type = DM_UNBALLOON_RESPONSE; -- resp.hdr.trans_id = atomic_inc_return(&trans_id); -+ resp.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - resp.hdr.size = sizeof(struct dm_unballoon_response); - - vmbus_sendpacket(dm_device.dev->channel, &resp, -@@ -1298,7 +1298,7 @@ static void version_resp(struct hv_dynmem_device *dm, - memset(&version_req, 0, sizeof(struct dm_version_request)); - version_req.hdr.type = DM_VERSION_REQUEST; - version_req.hdr.size = sizeof(struct dm_version_request); -- version_req.hdr.trans_id = atomic_inc_return(&trans_id); -+ version_req.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - version_req.version.version = DYNMEM_PROTOCOL_VERSION_WIN7; - version_req.is_last_attempt = 1; - -@@ -1471,7 +1471,7 @@ static int balloon_probe(struct hv_device *dev, - memset(&version_req, 0, sizeof(struct dm_version_request)); - version_req.hdr.type = DM_VERSION_REQUEST; - version_req.hdr.size = sizeof(struct dm_version_request); -- version_req.hdr.trans_id = atomic_inc_return(&trans_id); -+ version_req.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - version_req.version.version = DYNMEM_PROTOCOL_VERSION_WIN8; - version_req.is_last_attempt = 0; - -@@ -1502,7 +1502,7 @@ static int balloon_probe(struct hv_device *dev, - memset(&cap_msg, 0, sizeof(struct dm_capabilities)); - cap_msg.hdr.type = DM_CAPABILITIES_REPORT; - cap_msg.hdr.size = sizeof(struct dm_capabilities); -- cap_msg.hdr.trans_id = atomic_inc_return(&trans_id); -+ cap_msg.hdr.trans_id = atomic_inc_return_unchecked(&trans_id); - - cap_msg.caps.cap_bits.balloon = 1; - cap_msg.caps.cap_bits.hot_add = 1; -diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h -index 887287a..238a626 100644 ---- a/drivers/hv/hyperv_vmbus.h -+++ b/drivers/hv/hyperv_vmbus.h -@@ -645,7 +645,7 @@ enum vmbus_connect_state { - struct vmbus_connection { - enum vmbus_connect_state conn_state; - -- atomic_t next_gpadl_handle; -+ atomic_unchecked_t next_gpadl_handle; - - /* - * Represents channel interrupts. Each bit position represents a -diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c -index 579bdf9..0dac21d5 100644 ---- a/drivers/hwmon/acpi_power_meter.c -+++ b/drivers/hwmon/acpi_power_meter.c -@@ -116,7 +116,7 @@ struct sensor_template { - struct device_attribute *devattr, - const char *buf, size_t count); - int index; --}; -+} __do_const; - - /* Averaging interval */ - static int update_avg_interval(struct acpi_power_meter_resource *resource) -@@ -631,7 +631,7 @@ static int register_attrs(struct acpi_power_meter_resource *resource, - struct sensor_template *attrs) - { - struct device *dev = &resource->acpi_dev->dev; -- struct sensor_device_attribute *sensors = -+ sensor_device_attribute_no_const *sensors = - &resource->sensors[resource->num_sensors]; - int res = 0; - -@@ -973,7 +973,7 @@ static int __init enable_cap_knobs(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata pm_dmi_table[] = { -+static const struct dmi_system_id __initconst pm_dmi_table[] = { - { - enable_cap_knobs, "IBM Active Energy Manager", - { -diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c -index 0af63da..05a183a 100644 ---- a/drivers/hwmon/applesmc.c -+++ b/drivers/hwmon/applesmc.c -@@ -1105,7 +1105,7 @@ static int applesmc_create_nodes(struct applesmc_node_group *groups, int num) - { - struct applesmc_node_group *grp; - struct applesmc_dev_attr *node; -- struct attribute *attr; -+ attribute_no_const *attr; - int ret, i; - - for (grp = groups; grp->format; grp++) { -diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c -index cccef87..06ce8ec 100644 ---- a/drivers/hwmon/asus_atk0110.c -+++ b/drivers/hwmon/asus_atk0110.c -@@ -147,10 +147,10 @@ MODULE_DEVICE_TABLE(acpi, atk_ids); - struct atk_sensor_data { - struct list_head list; - struct atk_data *data; -- struct device_attribute label_attr; -- struct device_attribute input_attr; -- struct device_attribute limit1_attr; -- struct device_attribute limit2_attr; -+ device_attribute_no_const label_attr; -+ device_attribute_no_const input_attr; -+ device_attribute_no_const limit1_attr; -+ device_attribute_no_const limit2_attr; - char label_attr_name[ATTR_NAME_SIZE]; - char input_attr_name[ATTR_NAME_SIZE]; - char limit1_attr_name[ATTR_NAME_SIZE]; -@@ -270,7 +270,7 @@ static ssize_t atk_name_show(struct device *dev, - static struct device_attribute atk_name_attr = - __ATTR(name, 0444, atk_name_show, NULL); - --static void atk_init_attribute(struct device_attribute *attr, char *name, -+static void atk_init_attribute(device_attribute_no_const *attr, char *name, - sysfs_show_func show) - { - sysfs_attr_init(&attr->attr); -diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c -index ed303ba..e24bd26f 100644 ---- a/drivers/hwmon/coretemp.c -+++ b/drivers/hwmon/coretemp.c -@@ -782,7 +782,7 @@ static int coretemp_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block coretemp_cpu_notifier __refdata = { -+static struct notifier_block coretemp_cpu_notifier = { - .notifier_call = coretemp_cpu_callback, - }; - -diff --git a/drivers/hwmon/ibmaem.c b/drivers/hwmon/ibmaem.c -index 7a8a6fb..015c1fd 100644 ---- a/drivers/hwmon/ibmaem.c -+++ b/drivers/hwmon/ibmaem.c -@@ -924,7 +924,7 @@ static int aem_register_sensors(struct aem_data *data, - struct aem_rw_sensor_template *rw) - { - struct device *dev = &data->pdev->dev; -- struct sensor_device_attribute *sensors = data->sensors; -+ sensor_device_attribute_no_const *sensors = data->sensors; - int err; - - /* Set up read-only sensors */ -diff --git a/drivers/hwmon/iio_hwmon.c b/drivers/hwmon/iio_hwmon.c -index 17ae2eb..21b71dd 100644 ---- a/drivers/hwmon/iio_hwmon.c -+++ b/drivers/hwmon/iio_hwmon.c -@@ -61,7 +61,7 @@ static int iio_hwmon_probe(struct platform_device *pdev) - { - struct device *dev = &pdev->dev; - struct iio_hwmon_state *st; -- struct sensor_device_attribute *a; -+ sensor_device_attribute_no_const *a; - int ret, i; - int in_i = 1, temp_i = 1, curr_i = 1, humidity_i = 1; - enum iio_chan_type type; -diff --git a/drivers/hwmon/nct6683.c b/drivers/hwmon/nct6683.c -index 37f0170..414ec2c 100644 ---- a/drivers/hwmon/nct6683.c -+++ b/drivers/hwmon/nct6683.c -@@ -397,11 +397,11 @@ static struct attribute_group * - nct6683_create_attr_group(struct device *dev, struct sensor_template_group *tg, - int repeat) - { -- struct sensor_device_attribute_2 *a2; -- struct sensor_device_attribute *a; -+ sensor_device_attribute_2_no_const *a2; -+ sensor_device_attribute_no_const *a; - struct sensor_device_template **t; - struct sensor_device_attr_u *su; -- struct attribute_group *group; -+ attribute_group_no_const *group; - struct attribute **attrs; - int i, j, count; - -diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c -index bd1c99d..2fa55ad 100644 ---- a/drivers/hwmon/nct6775.c -+++ b/drivers/hwmon/nct6775.c -@@ -953,10 +953,10 @@ static struct attribute_group * - nct6775_create_attr_group(struct device *dev, struct sensor_template_group *tg, - int repeat) - { -- struct attribute_group *group; -+ attribute_group_no_const *group; - struct sensor_device_attr_u *su; -- struct sensor_device_attribute *a; -- struct sensor_device_attribute_2 *a2; -+ sensor_device_attribute_no_const *a; -+ sensor_device_attribute_2_no_const *a2; - struct attribute **attrs; - struct sensor_device_template **t; - int i, count; -diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c -index f2e47c7..45d7941 100644 ---- a/drivers/hwmon/pmbus/pmbus_core.c -+++ b/drivers/hwmon/pmbus/pmbus_core.c -@@ -816,7 +816,7 @@ static int pmbus_add_attribute(struct pmbus_data *data, struct attribute *attr) - return 0; - } - --static void pmbus_dev_attr_init(struct device_attribute *dev_attr, -+static void pmbus_dev_attr_init(device_attribute_no_const *dev_attr, - const char *name, - umode_t mode, - ssize_t (*show)(struct device *dev, -@@ -833,7 +833,7 @@ static void pmbus_dev_attr_init(struct device_attribute *dev_attr, - dev_attr->store = store; - } - --static void pmbus_attr_init(struct sensor_device_attribute *a, -+static void pmbus_attr_init(sensor_device_attribute_no_const *a, - const char *name, - umode_t mode, - ssize_t (*show)(struct device *dev, -@@ -855,7 +855,7 @@ static int pmbus_add_boolean(struct pmbus_data *data, - u16 reg, u8 mask) - { - struct pmbus_boolean *boolean; -- struct sensor_device_attribute *a; -+ sensor_device_attribute_no_const *a; - - boolean = devm_kzalloc(data->dev, sizeof(*boolean), GFP_KERNEL); - if (!boolean) -@@ -880,7 +880,7 @@ static struct pmbus_sensor *pmbus_add_sensor(struct pmbus_data *data, - bool update, bool readonly) - { - struct pmbus_sensor *sensor; -- struct device_attribute *a; -+ device_attribute_no_const *a; - - sensor = devm_kzalloc(data->dev, sizeof(*sensor), GFP_KERNEL); - if (!sensor) -@@ -911,7 +911,7 @@ static int pmbus_add_label(struct pmbus_data *data, - const char *lstring, int index) - { - struct pmbus_label *label; -- struct device_attribute *a; -+ device_attribute_no_const *a; - - label = devm_kzalloc(data->dev, sizeof(*label), GFP_KERNEL); - if (!label) -diff --git a/drivers/hwmon/sht15.c b/drivers/hwmon/sht15.c -index d4f0935..7420593 100644 ---- a/drivers/hwmon/sht15.c -+++ b/drivers/hwmon/sht15.c -@@ -169,7 +169,7 @@ struct sht15_data { - int supply_uv; - bool supply_uv_valid; - struct work_struct update_supply_work; -- atomic_t interrupt_handled; -+ atomic_unchecked_t interrupt_handled; - }; - - /** -@@ -542,13 +542,13 @@ static int sht15_measurement(struct sht15_data *data, - ret = gpio_direction_input(data->pdata->gpio_data); - if (ret) - return ret; -- atomic_set(&data->interrupt_handled, 0); -+ atomic_set_unchecked(&data->interrupt_handled, 0); - - enable_irq(gpio_to_irq(data->pdata->gpio_data)); - if (gpio_get_value(data->pdata->gpio_data) == 0) { - disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data)); - /* Only relevant if the interrupt hasn't occurred. */ -- if (!atomic_read(&data->interrupt_handled)) -+ if (!atomic_read_unchecked(&data->interrupt_handled)) - schedule_work(&data->read_work); - } - ret = wait_event_timeout(data->wait_queue, -@@ -820,7 +820,7 @@ static irqreturn_t sht15_interrupt_fired(int irq, void *d) - - /* First disable the interrupt */ - disable_irq_nosync(irq); -- atomic_inc(&data->interrupt_handled); -+ atomic_inc_unchecked(&data->interrupt_handled); - /* Then schedule a reading work struct */ - if (data->state != SHT15_READING_NOTHING) - schedule_work(&data->read_work); -@@ -842,11 +842,11 @@ static void sht15_bh_read_data(struct work_struct *work_s) - * If not, then start the interrupt again - care here as could - * have gone low in meantime so verify it hasn't! - */ -- atomic_set(&data->interrupt_handled, 0); -+ atomic_set_unchecked(&data->interrupt_handled, 0); - enable_irq(gpio_to_irq(data->pdata->gpio_data)); - /* If still not occurred or another handler was scheduled */ - if (gpio_get_value(data->pdata->gpio_data) -- || atomic_read(&data->interrupt_handled)) -+ || atomic_read_unchecked(&data->interrupt_handled)) - return; - } - -diff --git a/drivers/hwmon/via-cputemp.c b/drivers/hwmon/via-cputemp.c -index ac91c07..8e69663 100644 ---- a/drivers/hwmon/via-cputemp.c -+++ b/drivers/hwmon/via-cputemp.c -@@ -295,7 +295,7 @@ static int via_cputemp_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block via_cputemp_cpu_notifier __refdata = { -+static struct notifier_block via_cputemp_cpu_notifier = { - .notifier_call = via_cputemp_cpu_callback, - }; - -diff --git a/drivers/i2c/busses/i2c-amd756-s4882.c b/drivers/i2c/busses/i2c-amd756-s4882.c -index 65e3240..e6c511d 100644 ---- a/drivers/i2c/busses/i2c-amd756-s4882.c -+++ b/drivers/i2c/busses/i2c-amd756-s4882.c -@@ -39,7 +39,7 @@ - extern struct i2c_adapter amd756_smbus; - - static struct i2c_adapter *s4882_adapter; --static struct i2c_algorithm *s4882_algo; -+static i2c_algorithm_no_const *s4882_algo; - - /* Wrapper access functions for multiplexed SMBus */ - static DEFINE_MUTEX(amd756_lock); -diff --git a/drivers/i2c/busses/i2c-diolan-u2c.c b/drivers/i2c/busses/i2c-diolan-u2c.c -index b19a310..d6eece0 100644 ---- a/drivers/i2c/busses/i2c-diolan-u2c.c -+++ b/drivers/i2c/busses/i2c-diolan-u2c.c -@@ -98,7 +98,7 @@ MODULE_PARM_DESC(frequency, "I2C clock frequency in hertz"); - /* usb layer */ - - /* Send command to device, and get response. */ --static int diolan_usb_transfer(struct i2c_diolan_u2c *dev) -+static int __intentional_overflow(-1) diolan_usb_transfer(struct i2c_diolan_u2c *dev) - { - int ret = 0; - int actual; -diff --git a/drivers/i2c/busses/i2c-nforce2-s4985.c b/drivers/i2c/busses/i2c-nforce2-s4985.c -index 88eda09..cf40434 100644 ---- a/drivers/i2c/busses/i2c-nforce2-s4985.c -+++ b/drivers/i2c/busses/i2c-nforce2-s4985.c -@@ -37,7 +37,7 @@ - extern struct i2c_adapter *nforce2_smbus; - - static struct i2c_adapter *s4985_adapter; --static struct i2c_algorithm *s4985_algo; -+static i2c_algorithm_no_const *s4985_algo; - - /* Wrapper access functions for multiplexed SMBus */ - static DEFINE_MUTEX(nforce2_lock); -diff --git a/drivers/i2c/i2c-dev.c b/drivers/i2c/i2c-dev.c -index 71c7a39..71dd3e0 100644 ---- a/drivers/i2c/i2c-dev.c -+++ b/drivers/i2c/i2c-dev.c -@@ -272,7 +272,7 @@ static noinline int i2cdev_ioctl_rdrw(struct i2c_client *client, - break; - } - -- data_ptrs[i] = (u8 __user *)rdwr_pa[i].buf; -+ data_ptrs[i] = (u8 __force_user *)rdwr_pa[i].buf; - rdwr_pa[i].buf = memdup_user(data_ptrs[i], rdwr_pa[i].len); - if (IS_ERR(rdwr_pa[i].buf)) { - res = PTR_ERR(rdwr_pa[i].buf); -diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c -index 0b510ba..4fbb5085 100644 ---- a/drivers/ide/ide-cd.c -+++ b/drivers/ide/ide-cd.c -@@ -768,7 +768,7 @@ static void cdrom_do_block_pc(ide_drive_t *drive, struct request *rq) - alignment = queue_dma_alignment(q) | q->dma_pad_mask; - if ((unsigned long)buf & alignment - || blk_rq_bytes(rq) & q->dma_pad_mask -- || object_is_on_stack(buf)) -+ || object_starts_on_stack(buf)) - drive->dma = 0; - } - } -diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c -index 4df97f6..c751151 100644 ---- a/drivers/iio/industrialio-core.c -+++ b/drivers/iio/industrialio-core.c -@@ -570,7 +570,7 @@ static ssize_t iio_write_channel_info(struct device *dev, - } - - static --int __iio_device_attr_init(struct device_attribute *dev_attr, -+int __iio_device_attr_init(device_attribute_no_const *dev_attr, - const char *postfix, - struct iio_chan_spec const *chan, - ssize_t (*readfunc)(struct device *dev, -diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c -index 0271608..81998c5 100644 ---- a/drivers/infiniband/core/cm.c -+++ b/drivers/infiniband/core/cm.c -@@ -115,7 +115,7 @@ static char const counter_group_names[CM_COUNTER_GROUPS] - - struct cm_counter_group { - struct kobject obj; -- atomic_long_t counter[CM_ATTR_COUNT]; -+ atomic_long_unchecked_t counter[CM_ATTR_COUNT]; - }; - - struct cm_counter_attribute { -@@ -1397,7 +1397,7 @@ static void cm_dup_req_handler(struct cm_work *work, - struct ib_mad_send_buf *msg = NULL; - int ret; - -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_REQ_COUNTER]); - - /* Quick state check to discard duplicate REQs. */ -@@ -1784,7 +1784,7 @@ static void cm_dup_rep_handler(struct cm_work *work) - if (!cm_id_priv) - return; - -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_REP_COUNTER]); - ret = cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg); - if (ret) -@@ -1951,7 +1951,7 @@ static int cm_rtu_handler(struct cm_work *work) - if (cm_id_priv->id.state != IB_CM_REP_SENT && - cm_id_priv->id.state != IB_CM_MRA_REP_RCVD) { - spin_unlock_irq(&cm_id_priv->lock); -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_RTU_COUNTER]); - goto out; - } -@@ -2134,7 +2134,7 @@ static int cm_dreq_handler(struct cm_work *work) - cm_id_priv = cm_acquire_id(dreq_msg->remote_comm_id, - dreq_msg->local_comm_id); - if (!cm_id_priv) { -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - cm_issue_drep(work->port, work->mad_recv_wc); - return -EINVAL; -@@ -2159,7 +2159,7 @@ static int cm_dreq_handler(struct cm_work *work) - case IB_CM_MRA_REP_RCVD: - break; - case IB_CM_TIMEWAIT: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg)) - goto unlock; -@@ -2173,7 +2173,7 @@ static int cm_dreq_handler(struct cm_work *work) - cm_free_msg(msg); - goto deref; - case IB_CM_DREQ_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - goto unlock; - default: -@@ -2540,7 +2540,7 @@ static int cm_mra_handler(struct cm_work *work) - ib_modify_mad(cm_id_priv->av.port->mad_agent, - cm_id_priv->msg, timeout)) { - if (cm_id_priv->id.lap_state == IB_CM_MRA_LAP_RCVD) -- atomic_long_inc(&work->port-> -+ atomic_long_inc_unchecked(&work->port-> - counter_group[CM_RECV_DUPLICATES]. - counter[CM_MRA_COUNTER]); - goto out; -@@ -2549,7 +2549,7 @@ static int cm_mra_handler(struct cm_work *work) - break; - case IB_CM_MRA_REQ_RCVD: - case IB_CM_MRA_REP_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_MRA_COUNTER]); - /* fall through */ - default: -@@ -2711,7 +2711,7 @@ static int cm_lap_handler(struct cm_work *work) - case IB_CM_LAP_IDLE: - break; - case IB_CM_MRA_LAP_SENT: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_LAP_COUNTER]); - if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg)) - goto unlock; -@@ -2727,7 +2727,7 @@ static int cm_lap_handler(struct cm_work *work) - cm_free_msg(msg); - goto deref; - case IB_CM_LAP_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_LAP_COUNTER]); - goto unlock; - default: -@@ -3011,7 +3011,7 @@ static int cm_sidr_req_handler(struct cm_work *work) - cur_cm_id_priv = cm_insert_remote_sidr(cm_id_priv); - if (cur_cm_id_priv) { - spin_unlock_irq(&cm.lock); -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_SIDR_REQ_COUNTER]); - goto out; /* Duplicate message. */ - } -@@ -3223,10 +3223,10 @@ static void cm_send_handler(struct ib_mad_agent *mad_agent, - if (!msg->context[0] && (attr_index != CM_REJ_COUNTER)) - msg->retries = 1; - -- atomic_long_add(1 + msg->retries, -+ atomic_long_add_unchecked(1 + msg->retries, - &port->counter_group[CM_XMIT].counter[attr_index]); - if (msg->retries) -- atomic_long_add(msg->retries, -+ atomic_long_add_unchecked(msg->retries, - &port->counter_group[CM_XMIT_RETRIES]. - counter[attr_index]); - -@@ -3436,7 +3436,7 @@ static void cm_recv_handler(struct ib_mad_agent *mad_agent, - } - - attr_id = be16_to_cpu(mad_recv_wc->recv_buf.mad->mad_hdr.attr_id); -- atomic_long_inc(&port->counter_group[CM_RECV]. -+ atomic_long_inc_unchecked(&port->counter_group[CM_RECV]. - counter[attr_id - CM_ATTR_ID_OFFSET]); - - work = kmalloc(sizeof *work + sizeof(struct ib_sa_path_rec) * paths, -@@ -3667,7 +3667,7 @@ static ssize_t cm_show_counter(struct kobject *obj, struct attribute *attr, - cm_attr = container_of(attr, struct cm_counter_attribute, attr); - - return sprintf(buf, "%ld\n", -- atomic_long_read(&group->counter[cm_attr->index])); -+ atomic_long_read_unchecked(&group->counter[cm_attr->index])); - } - - static const struct sysfs_ops cm_counter_ops = { -diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c -index 9f5ad7c..588cd84 100644 ---- a/drivers/infiniband/core/fmr_pool.c -+++ b/drivers/infiniband/core/fmr_pool.c -@@ -98,8 +98,8 @@ struct ib_fmr_pool { - - struct task_struct *thread; - -- atomic_t req_ser; -- atomic_t flush_ser; -+ atomic_unchecked_t req_ser; -+ atomic_unchecked_t flush_ser; - - wait_queue_head_t force_wait; - }; -@@ -179,10 +179,10 @@ static int ib_fmr_cleanup_thread(void *pool_ptr) - struct ib_fmr_pool *pool = pool_ptr; - - do { -- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) < 0) { -+ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) < 0) { - ib_fmr_batch_release(pool); - -- atomic_inc(&pool->flush_ser); -+ atomic_inc_unchecked(&pool->flush_ser); - wake_up_interruptible(&pool->force_wait); - - if (pool->flush_function) -@@ -190,7 +190,7 @@ static int ib_fmr_cleanup_thread(void *pool_ptr) - } - - set_current_state(TASK_INTERRUPTIBLE); -- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) >= 0 && -+ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) >= 0 && - !kthread_should_stop()) - schedule(); - __set_current_state(TASK_RUNNING); -@@ -282,8 +282,8 @@ struct ib_fmr_pool *ib_create_fmr_pool(struct ib_pd *pd, - pool->dirty_watermark = params->dirty_watermark; - pool->dirty_len = 0; - spin_lock_init(&pool->pool_lock); -- atomic_set(&pool->req_ser, 0); -- atomic_set(&pool->flush_ser, 0); -+ atomic_set_unchecked(&pool->req_ser, 0); -+ atomic_set_unchecked(&pool->flush_ser, 0); - init_waitqueue_head(&pool->force_wait); - - pool->thread = kthread_run(ib_fmr_cleanup_thread, -@@ -411,11 +411,11 @@ int ib_flush_fmr_pool(struct ib_fmr_pool *pool) - } - spin_unlock_irq(&pool->pool_lock); - -- serial = atomic_inc_return(&pool->req_ser); -+ serial = atomic_inc_return_unchecked(&pool->req_ser); - wake_up_process(pool->thread); - - if (wait_event_interruptible(pool->force_wait, -- atomic_read(&pool->flush_ser) - serial >= 0)) -+ atomic_read_unchecked(&pool->flush_ser) - serial >= 0)) - return -EINTR; - - return 0; -@@ -525,7 +525,7 @@ int ib_fmr_pool_unmap(struct ib_pool_fmr *fmr) - } else { - list_add_tail(&fmr->list, &pool->dirty_list); - if (++pool->dirty_len >= pool->dirty_watermark) { -- atomic_inc(&pool->req_ser); -+ atomic_inc_unchecked(&pool->req_ser); - wake_up_process(pool->thread); - } - } -diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c -index a9f0489..27a161b 100644 ---- a/drivers/infiniband/core/uverbs_cmd.c -+++ b/drivers/infiniband/core/uverbs_cmd.c -@@ -951,6 +951,9 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file, - if (copy_from_user(&cmd, buf, sizeof cmd)) - return -EFAULT; - -+ if (!access_ok_noprefault(VERIFY_READ, cmd.start, cmd.length)) -+ return -EFAULT; -+ - INIT_UDATA(&udata, buf + sizeof cmd, - (unsigned long) cmd.response + sizeof resp, - in_len - sizeof cmd, out_len - sizeof resp); -diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c -index cff815b..75576dd 100644 ---- a/drivers/infiniband/hw/cxgb4/mem.c -+++ b/drivers/infiniband/hw/cxgb4/mem.c -@@ -256,7 +256,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, - int err; - struct fw_ri_tpte tpt; - u32 stag_idx; -- static atomic_t key; -+ static atomic_unchecked_t key; - - if (c4iw_fatal_error(rdev)) - return -EIO; -@@ -277,7 +277,7 @@ static int write_tpt_entry(struct c4iw_rdev *rdev, u32 reset_tpt_entry, - if (rdev->stats.stag.cur > rdev->stats.stag.max) - rdev->stats.stag.max = rdev->stats.stag.cur; - mutex_unlock(&rdev->stats.lock); -- *stag = (stag_idx << 8) | (atomic_inc_return(&key) & 0xff); -+ *stag = (stag_idx << 8) | (atomic_inc_return_unchecked(&key) & 0xff); - } - PDBG("%s stag_state 0x%0x type 0x%0x pdid 0x%0x, stag_idx 0x%x\n", - __func__, stag_state, type, pdid, stag_idx); -diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c -index 79b3dbc..96e5fcc 100644 ---- a/drivers/infiniband/hw/ipath/ipath_rc.c -+++ b/drivers/infiniband/hw/ipath/ipath_rc.c -@@ -1868,7 +1868,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, - struct ib_atomic_eth *ateth; - struct ipath_ack_entry *e; - u64 vaddr; -- atomic64_t *maddr; -+ atomic64_unchecked_t *maddr; - u64 sdata; - u32 rkey; - u8 next; -@@ -1903,11 +1903,11 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr, - IB_ACCESS_REMOTE_ATOMIC))) - goto nack_acc_unlck; - /* Perform atomic OP and save result. */ -- maddr = (atomic64_t *) qp->r_sge.sge.vaddr; -+ maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr; - sdata = be64_to_cpu(ateth->swap_data); - e = &qp->s_ack_queue[qp->r_head_ack_queue]; - e->atomic_data = (opcode == OP(FETCH_ADD)) ? -- (u64) atomic64_add_return(sdata, maddr) - sdata : -+ (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata : - (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr, - be64_to_cpu(ateth->compare_data), - sdata); -diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c -index 1f95bba..9530f87 100644 ---- a/drivers/infiniband/hw/ipath/ipath_ruc.c -+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c -@@ -266,7 +266,7 @@ static void ipath_ruc_loopback(struct ipath_qp *sqp) - unsigned long flags; - struct ib_wc wc; - u64 sdata; -- atomic64_t *maddr; -+ atomic64_unchecked_t *maddr; - enum ib_wc_status send_status; - - /* -@@ -382,11 +382,11 @@ again: - IB_ACCESS_REMOTE_ATOMIC))) - goto acc_err; - /* Perform atomic OP and save result. */ -- maddr = (atomic64_t *) qp->r_sge.sge.vaddr; -+ maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr; - sdata = wqe->wr.wr.atomic.compare_add; - *(u64 *) sqp->s_sge.sge.vaddr = - (wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD) ? -- (u64) atomic64_add_return(sdata, maddr) - sdata : -+ (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata : - (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr, - sdata, wqe->wr.wr.atomic.swap); - goto send_comp; -diff --git a/drivers/infiniband/hw/mlx4/mad.c b/drivers/infiniband/hw/mlx4/mad.c -index 9cd2b00..7486df4 100644 ---- a/drivers/infiniband/hw/mlx4/mad.c -+++ b/drivers/infiniband/hw/mlx4/mad.c -@@ -106,7 +106,7 @@ __be64 mlx4_ib_gen_node_guid(void) - - __be64 mlx4_ib_get_new_demux_tid(struct mlx4_ib_demux_ctx *ctx) - { -- return cpu_to_be64(atomic_inc_return(&ctx->tid)) | -+ return cpu_to_be64(atomic_inc_return_unchecked(&ctx->tid)) | - cpu_to_be64(0xff00000000000000LL); - } - -diff --git a/drivers/infiniband/hw/mlx4/mcg.c b/drivers/infiniband/hw/mlx4/mcg.c -index ed327e6..ca1739e0 100644 ---- a/drivers/infiniband/hw/mlx4/mcg.c -+++ b/drivers/infiniband/hw/mlx4/mcg.c -@@ -1041,7 +1041,7 @@ int mlx4_ib_mcg_port_init(struct mlx4_ib_demux_ctx *ctx) - { - char name[20]; - -- atomic_set(&ctx->tid, 0); -+ atomic_set_unchecked(&ctx->tid, 0); - sprintf(name, "mlx4_ib_mcg%d", ctx->port); - ctx->mcg_wq = create_singlethread_workqueue(name); - if (!ctx->mcg_wq) -diff --git a/drivers/infiniband/hw/mlx4/mlx4_ib.h b/drivers/infiniband/hw/mlx4/mlx4_ib.h -index fce39343..9d8fdff 100644 ---- a/drivers/infiniband/hw/mlx4/mlx4_ib.h -+++ b/drivers/infiniband/hw/mlx4/mlx4_ib.h -@@ -435,7 +435,7 @@ struct mlx4_ib_demux_ctx { - struct list_head mcg_mgid0_list; - struct workqueue_struct *mcg_wq; - struct mlx4_ib_demux_pv_ctx **tun; -- atomic_t tid; -+ atomic_unchecked_t tid; - int flushing; /* flushing the work queue */ - }; - -diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c -index 9d3e5c1..6f166df 100644 ---- a/drivers/infiniband/hw/mthca/mthca_cmd.c -+++ b/drivers/infiniband/hw/mthca/mthca_cmd.c -@@ -772,7 +772,7 @@ static void mthca_setup_cmd_doorbells(struct mthca_dev *dev, u64 base) - mthca_dbg(dev, "Mapped doorbell page for posting FW commands\n"); - } - --int mthca_QUERY_FW(struct mthca_dev *dev) -+int __intentional_overflow(-1) mthca_QUERY_FW(struct mthca_dev *dev) - { - struct mthca_mailbox *mailbox; - u32 *outbox; -@@ -1612,7 +1612,7 @@ int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, - CMD_TIME_CLASS_B); - } - --int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -+int __intentional_overflow(-1) mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, - int num_mtt) - { - return mthca_cmd(dev, mailbox->dma, num_mtt, 0, CMD_WRITE_MTT, -@@ -1634,7 +1634,7 @@ int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap, - 0, CMD_MAP_EQ, CMD_TIME_CLASS_B); - } - --int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -+int __intentional_overflow(-1) mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, - int eq_num) - { - return mthca_cmd(dev, mailbox->dma, eq_num, 0, CMD_SW2HW_EQ, -@@ -1857,7 +1857,7 @@ int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn) - CMD_TIME_CLASS_B); - } - --int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey, -+int __intentional_overflow(-1) mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey, - int port, struct ib_wc *in_wc, struct ib_grh *in_grh, - void *in_mad, void *response_mad) - { -diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c -index ded76c1..0cf0a08 100644 ---- a/drivers/infiniband/hw/mthca/mthca_main.c -+++ b/drivers/infiniband/hw/mthca/mthca_main.c -@@ -692,7 +692,7 @@ err_close: - return err; - } - --static int mthca_setup_hca(struct mthca_dev *dev) -+static int __intentional_overflow(-1) mthca_setup_hca(struct mthca_dev *dev) - { - int err; - -diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c -index ed9a989..6aa5dc2 100644 ---- a/drivers/infiniband/hw/mthca/mthca_mr.c -+++ b/drivers/infiniband/hw/mthca/mthca_mr.c -@@ -81,7 +81,7 @@ struct mthca_mpt_entry { - * through the bitmaps) - */ - --static u32 mthca_buddy_alloc(struct mthca_buddy *buddy, int order) -+static u32 __intentional_overflow(-1) mthca_buddy_alloc(struct mthca_buddy *buddy, int order) - { - int o; - int m; -@@ -426,7 +426,7 @@ static inline u32 adjust_key(struct mthca_dev *dev, u32 key) - return key; - } - --int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift, -+int __intentional_overflow(-1) mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift, - u64 iova, u64 total_size, u32 access, struct mthca_mr *mr) - { - struct mthca_mailbox *mailbox; -@@ -516,7 +516,7 @@ int mthca_mr_alloc_notrans(struct mthca_dev *dev, u32 pd, - return mthca_mr_alloc(dev, pd, 12, 0, ~0ULL, access, mr); - } - --int mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd, -+int __intentional_overflow(-1) mthca_mr_alloc_phys(struct mthca_dev *dev, u32 pd, - u64 *buffer_list, int buffer_size_shift, - int list_len, u64 iova, u64 total_size, - u32 access, struct mthca_mr *mr) -diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c -index 415f8e1..e34214e 100644 ---- a/drivers/infiniband/hw/mthca/mthca_provider.c -+++ b/drivers/infiniband/hw/mthca/mthca_provider.c -@@ -764,7 +764,7 @@ unlock: - return 0; - } - --static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata) -+static int __intentional_overflow(-1) mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata) - { - struct mthca_dev *dev = to_mdev(ibcq->device); - struct mthca_cq *cq = to_mcq(ibcq); -diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c -index 9f9d5c5..3c19aac 100644 ---- a/drivers/infiniband/hw/nes/nes.c -+++ b/drivers/infiniband/hw/nes/nes.c -@@ -97,7 +97,7 @@ MODULE_PARM_DESC(limit_maxrdreqsz, "Limit max read request size to 256 Bytes"); - LIST_HEAD(nes_adapter_list); - static LIST_HEAD(nes_dev_list); - --atomic_t qps_destroyed; -+atomic_unchecked_t qps_destroyed; - - static unsigned int ee_flsh_adapter; - static unsigned int sysfs_nonidx_addr; -@@ -279,7 +279,7 @@ static void nes_cqp_rem_ref_callback(struct nes_device *nesdev, struct nes_cqp_r - struct nes_qp *nesqp = cqp_request->cqp_callback_pointer; - struct nes_adapter *nesadapter = nesdev->nesadapter; - -- atomic_inc(&qps_destroyed); -+ atomic_inc_unchecked(&qps_destroyed); - - /* Free the control structures */ - -diff --git a/drivers/infiniband/hw/nes/nes.h b/drivers/infiniband/hw/nes/nes.h -index bd9d132..70d84f4 100644 ---- a/drivers/infiniband/hw/nes/nes.h -+++ b/drivers/infiniband/hw/nes/nes.h -@@ -180,17 +180,17 @@ extern unsigned int nes_debug_level; - extern unsigned int wqm_quanta; - extern struct list_head nes_adapter_list; - --extern atomic_t cm_connects; --extern atomic_t cm_accepts; --extern atomic_t cm_disconnects; --extern atomic_t cm_closes; --extern atomic_t cm_connecteds; --extern atomic_t cm_connect_reqs; --extern atomic_t cm_rejects; --extern atomic_t mod_qp_timouts; --extern atomic_t qps_created; --extern atomic_t qps_destroyed; --extern atomic_t sw_qps_destroyed; -+extern atomic_unchecked_t cm_connects; -+extern atomic_unchecked_t cm_accepts; -+extern atomic_unchecked_t cm_disconnects; -+extern atomic_unchecked_t cm_closes; -+extern atomic_unchecked_t cm_connecteds; -+extern atomic_unchecked_t cm_connect_reqs; -+extern atomic_unchecked_t cm_rejects; -+extern atomic_unchecked_t mod_qp_timouts; -+extern atomic_unchecked_t qps_created; -+extern atomic_unchecked_t qps_destroyed; -+extern atomic_unchecked_t sw_qps_destroyed; - extern u32 mh_detected; - extern u32 mh_pauses_sent; - extern u32 cm_packets_sent; -@@ -199,16 +199,16 @@ extern u32 cm_packets_created; - extern u32 cm_packets_received; - extern u32 cm_packets_dropped; - extern u32 cm_packets_retrans; --extern atomic_t cm_listens_created; --extern atomic_t cm_listens_destroyed; -+extern atomic_unchecked_t cm_listens_created; -+extern atomic_unchecked_t cm_listens_destroyed; - extern u32 cm_backlog_drops; --extern atomic_t cm_loopbacks; --extern atomic_t cm_nodes_created; --extern atomic_t cm_nodes_destroyed; --extern atomic_t cm_accel_dropped_pkts; --extern atomic_t cm_resets_recvd; --extern atomic_t pau_qps_created; --extern atomic_t pau_qps_destroyed; -+extern atomic_unchecked_t cm_loopbacks; -+extern atomic_unchecked_t cm_nodes_created; -+extern atomic_unchecked_t cm_nodes_destroyed; -+extern atomic_unchecked_t cm_accel_dropped_pkts; -+extern atomic_unchecked_t cm_resets_recvd; -+extern atomic_unchecked_t pau_qps_created; -+extern atomic_unchecked_t pau_qps_destroyed; - - extern u32 int_mod_timer_init; - extern u32 int_mod_cq_depth_256; -diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c -index 72b4341..2600332 100644 ---- a/drivers/infiniband/hw/nes/nes_cm.c -+++ b/drivers/infiniband/hw/nes/nes_cm.c -@@ -69,14 +69,14 @@ u32 cm_packets_dropped; - u32 cm_packets_retrans; - u32 cm_packets_created; - u32 cm_packets_received; --atomic_t cm_listens_created; --atomic_t cm_listens_destroyed; -+atomic_unchecked_t cm_listens_created; -+atomic_unchecked_t cm_listens_destroyed; - u32 cm_backlog_drops; --atomic_t cm_loopbacks; --atomic_t cm_nodes_created; --atomic_t cm_nodes_destroyed; --atomic_t cm_accel_dropped_pkts; --atomic_t cm_resets_recvd; -+atomic_unchecked_t cm_loopbacks; -+atomic_unchecked_t cm_nodes_created; -+atomic_unchecked_t cm_nodes_destroyed; -+atomic_unchecked_t cm_accel_dropped_pkts; -+atomic_unchecked_t cm_resets_recvd; - - static inline int mini_cm_accelerated(struct nes_cm_core *, struct nes_cm_node *); - static struct nes_cm_listener *mini_cm_listen(struct nes_cm_core *, struct nes_vnic *, struct nes_cm_info *); -@@ -135,28 +135,28 @@ static void record_ird_ord(struct nes_cm_node *, u16, u16); - /* instance of function pointers for client API */ - /* set address of this instance to cm_core->cm_ops at cm_core alloc */ - static struct nes_cm_ops nes_cm_api = { -- mini_cm_accelerated, -- mini_cm_listen, -- mini_cm_del_listen, -- mini_cm_connect, -- mini_cm_close, -- mini_cm_accept, -- mini_cm_reject, -- mini_cm_recv_pkt, -- mini_cm_dealloc_core, -- mini_cm_get, -- mini_cm_set -+ .accelerated = mini_cm_accelerated, -+ .listen = mini_cm_listen, -+ .stop_listener = mini_cm_del_listen, -+ .connect = mini_cm_connect, -+ .close = mini_cm_close, -+ .accept = mini_cm_accept, -+ .reject = mini_cm_reject, -+ .recv_pkt = mini_cm_recv_pkt, -+ .destroy_cm_core = mini_cm_dealloc_core, -+ .get = mini_cm_get, -+ .set = mini_cm_set - }; - - static struct nes_cm_core *g_cm_core; - --atomic_t cm_connects; --atomic_t cm_accepts; --atomic_t cm_disconnects; --atomic_t cm_closes; --atomic_t cm_connecteds; --atomic_t cm_connect_reqs; --atomic_t cm_rejects; -+atomic_unchecked_t cm_connects; -+atomic_unchecked_t cm_accepts; -+atomic_unchecked_t cm_disconnects; -+atomic_unchecked_t cm_closes; -+atomic_unchecked_t cm_connecteds; -+atomic_unchecked_t cm_connect_reqs; -+atomic_unchecked_t cm_rejects; - - int nes_add_ref_cm_node(struct nes_cm_node *cm_node) - { -@@ -1461,7 +1461,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core, - kfree(listener); - listener = NULL; - ret = 0; -- atomic_inc(&cm_listens_destroyed); -+ atomic_inc_unchecked(&cm_listens_destroyed); - } else { - spin_unlock_irqrestore(&cm_core->listen_list_lock, flags); - } -@@ -1667,7 +1667,7 @@ static struct nes_cm_node *make_cm_node(struct nes_cm_core *cm_core, - cm_node->rem_mac); - - add_hte_node(cm_core, cm_node); -- atomic_inc(&cm_nodes_created); -+ atomic_inc_unchecked(&cm_nodes_created); - - return cm_node; - } -@@ -1728,7 +1728,7 @@ static int rem_ref_cm_node(struct nes_cm_core *cm_core, - } - - atomic_dec(&cm_core->node_cnt); -- atomic_inc(&cm_nodes_destroyed); -+ atomic_inc_unchecked(&cm_nodes_destroyed); - nesqp = cm_node->nesqp; - if (nesqp) { - nesqp->cm_node = NULL; -@@ -1792,7 +1792,7 @@ static int process_options(struct nes_cm_node *cm_node, u8 *optionsloc, - - static void drop_packet(struct sk_buff *skb) - { -- atomic_inc(&cm_accel_dropped_pkts); -+ atomic_inc_unchecked(&cm_accel_dropped_pkts); - dev_kfree_skb_any(skb); - } - -@@ -1855,7 +1855,7 @@ static void handle_rst_pkt(struct nes_cm_node *cm_node, struct sk_buff *skb, - { - - int reset = 0; /* whether to send reset in case of err.. */ -- atomic_inc(&cm_resets_recvd); -+ atomic_inc_unchecked(&cm_resets_recvd); - nes_debug(NES_DBG_CM, "Received Reset, cm_node = %p, state = %u." - " refcnt=%d\n", cm_node, cm_node->state, - atomic_read(&cm_node->ref_count)); -@@ -2523,7 +2523,7 @@ static struct nes_cm_node *mini_cm_connect(struct nes_cm_core *cm_core, - rem_ref_cm_node(cm_node->cm_core, cm_node); - return NULL; - } -- atomic_inc(&cm_loopbacks); -+ atomic_inc_unchecked(&cm_loopbacks); - loopbackremotenode->loopbackpartner = cm_node; - loopbackremotenode->tcp_cntxt.rcv_wscale = - NES_CM_DEFAULT_RCV_WND_SCALE; -@@ -2804,7 +2804,7 @@ static int mini_cm_recv_pkt(struct nes_cm_core *cm_core, - nes_queue_mgt_skbs(skb, nesvnic, cm_node->nesqp); - else { - rem_ref_cm_node(cm_core, cm_node); -- atomic_inc(&cm_accel_dropped_pkts); -+ atomic_inc_unchecked(&cm_accel_dropped_pkts); - dev_kfree_skb_any(skb); - } - break; -@@ -3112,7 +3112,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp) - - if ((cm_id) && (cm_id->event_handler)) { - if (issue_disconn) { -- atomic_inc(&cm_disconnects); -+ atomic_inc_unchecked(&cm_disconnects); - cm_event.event = IW_CM_EVENT_DISCONNECT; - cm_event.status = disconn_status; - cm_event.local_addr = cm_id->local_addr; -@@ -3134,7 +3134,7 @@ static int nes_cm_disconn_true(struct nes_qp *nesqp) - } - - if (issue_close) { -- atomic_inc(&cm_closes); -+ atomic_inc_unchecked(&cm_closes); - nes_disconnect(nesqp, 1); - - cm_id->provider_data = nesqp; -@@ -3272,7 +3272,7 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) - - nes_debug(NES_DBG_CM, "QP%u, cm_node=%p, jiffies = %lu listener = %p\n", - nesqp->hwqp.qp_id, cm_node, jiffies, cm_node->listener); -- atomic_inc(&cm_accepts); -+ atomic_inc_unchecked(&cm_accepts); - - nes_debug(NES_DBG_CM, "netdev refcnt = %u.\n", - netdev_refcnt_read(nesvnic->netdev)); -@@ -3470,7 +3470,7 @@ int nes_reject(struct iw_cm_id *cm_id, const void *pdata, u8 pdata_len) - struct nes_cm_core *cm_core; - u8 *start_buff; - -- atomic_inc(&cm_rejects); -+ atomic_inc_unchecked(&cm_rejects); - cm_node = (struct nes_cm_node *)cm_id->provider_data; - loopback = cm_node->loopbackpartner; - cm_core = cm_node->cm_core; -@@ -3535,7 +3535,7 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param) - ntohs(raddr->sin_port), ntohl(laddr->sin_addr.s_addr), - ntohs(laddr->sin_port)); - -- atomic_inc(&cm_connects); -+ atomic_inc_unchecked(&cm_connects); - nesqp->active_conn = 1; - - /* cache the cm_id in the qp */ -@@ -3680,7 +3680,7 @@ int nes_create_listen(struct iw_cm_id *cm_id, int backlog) - g_cm_core->api->stop_listener(g_cm_core, (void *)cm_node); - return err; - } -- atomic_inc(&cm_listens_created); -+ atomic_inc_unchecked(&cm_listens_created); - } - - cm_id->add_ref(cm_id); -@@ -3787,7 +3787,7 @@ static void cm_event_connected(struct nes_cm_event *event) - - if (nesqp->destroyed) - return; -- atomic_inc(&cm_connecteds); -+ atomic_inc_unchecked(&cm_connecteds); - nes_debug(NES_DBG_CM, "QP%u attempting to connect to 0x%08X:0x%04X on" - " local port 0x%04X. jiffies = %lu.\n", - nesqp->hwqp.qp_id, ntohl(raddr->sin_addr.s_addr), -@@ -3972,7 +3972,7 @@ static void cm_event_reset(struct nes_cm_event *event) - - cm_id->add_ref(cm_id); - ret = cm_id->event_handler(cm_id, &cm_event); -- atomic_inc(&cm_closes); -+ atomic_inc_unchecked(&cm_closes); - cm_event.event = IW_CM_EVENT_CLOSE; - cm_event.status = 0; - cm_event.provider_data = cm_id->provider_data; -@@ -4012,7 +4012,7 @@ static void cm_event_mpa_req(struct nes_cm_event *event) - return; - cm_id = cm_node->cm_id; - -- atomic_inc(&cm_connect_reqs); -+ atomic_inc_unchecked(&cm_connect_reqs); - nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n", - cm_node, cm_id, jiffies); - -@@ -4061,7 +4061,7 @@ static void cm_event_mpa_reject(struct nes_cm_event *event) - return; - cm_id = cm_node->cm_id; - -- atomic_inc(&cm_connect_reqs); -+ atomic_inc_unchecked(&cm_connect_reqs); - nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n", - cm_node, cm_id, jiffies); - -diff --git a/drivers/infiniband/hw/nes/nes_mgt.c b/drivers/infiniband/hw/nes/nes_mgt.c -index 4166452..fc952c3 100644 ---- a/drivers/infiniband/hw/nes/nes_mgt.c -+++ b/drivers/infiniband/hw/nes/nes_mgt.c -@@ -40,8 +40,8 @@ - #include "nes.h" - #include "nes_mgt.h" - --atomic_t pau_qps_created; --atomic_t pau_qps_destroyed; -+atomic_unchecked_t pau_qps_created; -+atomic_unchecked_t pau_qps_destroyed; - - static void nes_replenish_mgt_rq(struct nes_vnic_mgt *mgtvnic) - { -@@ -621,7 +621,7 @@ void nes_destroy_pau_qp(struct nes_device *nesdev, struct nes_qp *nesqp) - { - struct sk_buff *skb; - unsigned long flags; -- atomic_inc(&pau_qps_destroyed); -+ atomic_inc_unchecked(&pau_qps_destroyed); - - /* Free packets that have not yet been forwarded */ - /* Lock is acquired by skb_dequeue when removing the skb */ -@@ -810,7 +810,7 @@ static void nes_mgt_ce_handler(struct nes_device *nesdev, struct nes_hw_nic_cq * - cq->cq_vbase[head].cqe_words[NES_NIC_CQE_HASH_RCVNXT]); - skb_queue_head_init(&nesqp->pau_list); - spin_lock_init(&nesqp->pau_lock); -- atomic_inc(&pau_qps_created); -+ atomic_inc_unchecked(&pau_qps_created); - nes_change_quad_hash(nesdev, mgtvnic->nesvnic, nesqp); - } - -diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c -index 70acda9..a96de9d 100644 ---- a/drivers/infiniband/hw/nes/nes_nic.c -+++ b/drivers/infiniband/hw/nes/nes_nic.c -@@ -1274,39 +1274,39 @@ static void nes_netdev_get_ethtool_stats(struct net_device *netdev, - target_stat_values[++index] = mh_detected; - target_stat_values[++index] = mh_pauses_sent; - target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits; -- target_stat_values[++index] = atomic_read(&cm_connects); -- target_stat_values[++index] = atomic_read(&cm_accepts); -- target_stat_values[++index] = atomic_read(&cm_disconnects); -- target_stat_values[++index] = atomic_read(&cm_connecteds); -- target_stat_values[++index] = atomic_read(&cm_connect_reqs); -- target_stat_values[++index] = atomic_read(&cm_rejects); -- target_stat_values[++index] = atomic_read(&mod_qp_timouts); -- target_stat_values[++index] = atomic_read(&qps_created); -- target_stat_values[++index] = atomic_read(&sw_qps_destroyed); -- target_stat_values[++index] = atomic_read(&qps_destroyed); -- target_stat_values[++index] = atomic_read(&cm_closes); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connects); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_accepts); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_disconnects); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connecteds); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connect_reqs); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_rejects); -+ target_stat_values[++index] = atomic_read_unchecked(&mod_qp_timouts); -+ target_stat_values[++index] = atomic_read_unchecked(&qps_created); -+ target_stat_values[++index] = atomic_read_unchecked(&sw_qps_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&qps_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_closes); - target_stat_values[++index] = cm_packets_sent; - target_stat_values[++index] = cm_packets_bounced; - target_stat_values[++index] = cm_packets_created; - target_stat_values[++index] = cm_packets_received; - target_stat_values[++index] = cm_packets_dropped; - target_stat_values[++index] = cm_packets_retrans; -- target_stat_values[++index] = atomic_read(&cm_listens_created); -- target_stat_values[++index] = atomic_read(&cm_listens_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_created); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_destroyed); - target_stat_values[++index] = cm_backlog_drops; -- target_stat_values[++index] = atomic_read(&cm_loopbacks); -- target_stat_values[++index] = atomic_read(&cm_nodes_created); -- target_stat_values[++index] = atomic_read(&cm_nodes_destroyed); -- target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts); -- target_stat_values[++index] = atomic_read(&cm_resets_recvd); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_loopbacks); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_created); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_accel_dropped_pkts); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_resets_recvd); - target_stat_values[++index] = nesadapter->free_4kpbl; - target_stat_values[++index] = nesadapter->free_256pbl; - target_stat_values[++index] = int_mod_timer_init; - target_stat_values[++index] = nesvnic->lro_mgr.stats.aggregated; - target_stat_values[++index] = nesvnic->lro_mgr.stats.flushed; - target_stat_values[++index] = nesvnic->lro_mgr.stats.no_desc; -- target_stat_values[++index] = atomic_read(&pau_qps_created); -- target_stat_values[++index] = atomic_read(&pau_qps_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&pau_qps_created); -+ target_stat_values[++index] = atomic_read_unchecked(&pau_qps_destroyed); - } - - /** -diff --git a/drivers/infiniband/hw/nes/nes_verbs.c b/drivers/infiniband/hw/nes/nes_verbs.c -index c0d0296..3185f57 100644 ---- a/drivers/infiniband/hw/nes/nes_verbs.c -+++ b/drivers/infiniband/hw/nes/nes_verbs.c -@@ -46,9 +46,9 @@ - - #include <rdma/ib_umem.h> - --atomic_t mod_qp_timouts; --atomic_t qps_created; --atomic_t sw_qps_destroyed; -+atomic_unchecked_t mod_qp_timouts; -+atomic_unchecked_t qps_created; -+atomic_unchecked_t sw_qps_destroyed; - - static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev); - -@@ -1134,7 +1134,7 @@ static struct ib_qp *nes_create_qp(struct ib_pd *ibpd, - if (init_attr->create_flags) - return ERR_PTR(-EINVAL); - -- atomic_inc(&qps_created); -+ atomic_inc_unchecked(&qps_created); - switch (init_attr->qp_type) { - case IB_QPT_RC: - if (nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) { -@@ -1468,7 +1468,7 @@ static int nes_destroy_qp(struct ib_qp *ibqp) - struct iw_cm_event cm_event; - int ret = 0; - -- atomic_inc(&sw_qps_destroyed); -+ atomic_inc_unchecked(&sw_qps_destroyed); - nesqp->destroyed = 1; - - /* Blow away the connection if it exists. */ -diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h -index 7df16f7..7e1b21e 100644 ---- a/drivers/infiniband/hw/qib/qib.h -+++ b/drivers/infiniband/hw/qib/qib.h -@@ -52,6 +52,7 @@ - #include <linux/kref.h> - #include <linux/sched.h> - #include <linux/kthread.h> -+#include <linux/slab.h> - - #include "qib_common.h" - #include "qib_verbs.h" -diff --git a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c -index cdc7df4..a2fdfdb 100644 ---- a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c -+++ b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c -@@ -156,7 +156,7 @@ static size_t ipoib_get_size(const struct net_device *dev) - nla_total_size(2); /* IFLA_IPOIB_UMCAST */ - } - --static struct rtnl_link_ops ipoib_link_ops __read_mostly = { -+static struct rtnl_link_ops ipoib_link_ops = { - .kind = "ipoib", - .maxtype = IFLA_IPOIB_MAX, - .policy = ipoib_policy, -diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c -index e853a21..56fc5a8 100644 ---- a/drivers/input/gameport/gameport.c -+++ b/drivers/input/gameport/gameport.c -@@ -527,14 +527,14 @@ EXPORT_SYMBOL(gameport_set_phys); - */ - static void gameport_init_port(struct gameport *gameport) - { -- static atomic_t gameport_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t gameport_no = ATOMIC_INIT(-1); - - __module_get(THIS_MODULE); - - mutex_init(&gameport->drv_mutex); - device_initialize(&gameport->dev); - dev_set_name(&gameport->dev, "gameport%lu", -- (unsigned long)atomic_inc_return(&gameport_no)); -+ (unsigned long)atomic_inc_return_unchecked(&gameport_no)); - gameport->dev.bus = &gameport_bus; - gameport->dev.release = gameport_release_port; - if (gameport->parent) -diff --git a/drivers/input/input.c b/drivers/input/input.c -index cc357f1..ee42fbc 100644 ---- a/drivers/input/input.c -+++ b/drivers/input/input.c -@@ -1781,7 +1781,7 @@ EXPORT_SYMBOL_GPL(input_class); - */ - struct input_dev *input_allocate_device(void) - { -- static atomic_t input_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t input_no = ATOMIC_INIT(-1); - struct input_dev *dev; - - dev = kzalloc(sizeof(struct input_dev), GFP_KERNEL); -@@ -1796,7 +1796,7 @@ struct input_dev *input_allocate_device(void) - INIT_LIST_HEAD(&dev->node); - - dev_set_name(&dev->dev, "input%lu", -- (unsigned long)atomic_inc_return(&input_no)); -+ (unsigned long)atomic_inc_return_unchecked(&input_no)); - - __module_get(THIS_MODULE); - } -diff --git a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c -index 4a95b22..874c182 100644 ---- a/drivers/input/joystick/sidewinder.c -+++ b/drivers/input/joystick/sidewinder.c -@@ -30,6 +30,7 @@ - #include <linux/kernel.h> - #include <linux/module.h> - #include <linux/slab.h> -+#include <linux/sched.h> - #include <linux/input.h> - #include <linux/gameport.h> - #include <linux/jiffies.h> -diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c -index 61c7611..e1bfa38 100644 ---- a/drivers/input/joystick/xpad.c -+++ b/drivers/input/joystick/xpad.c -@@ -905,7 +905,7 @@ static void xpad_led_set(struct led_classdev *led_cdev, - - static int xpad_led_probe(struct usb_xpad *xpad) - { -- static atomic_t led_seq = ATOMIC_INIT(-1); -+ static atomic_unchecked_t led_seq = ATOMIC_INIT(-1); - unsigned long led_no; - struct xpad_led *led; - struct led_classdev *led_cdev; -@@ -918,7 +918,7 @@ static int xpad_led_probe(struct usb_xpad *xpad) - if (!led) - return -ENOMEM; - -- led_no = atomic_inc_return(&led_seq); -+ led_no = atomic_inc_return_unchecked(&led_seq); - - snprintf(led->name, sizeof(led->name), "xpad%lu", led_no); - led->xpad = xpad; -diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c -index ac1fa5f..5f7502c 100644 ---- a/drivers/input/misc/ims-pcu.c -+++ b/drivers/input/misc/ims-pcu.c -@@ -1851,7 +1851,7 @@ static int ims_pcu_identify_type(struct ims_pcu *pcu, u8 *device_id) - - static int ims_pcu_init_application_mode(struct ims_pcu *pcu) - { -- static atomic_t device_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t device_no = ATOMIC_INIT(-1); - - const struct ims_pcu_device_info *info; - int error; -@@ -1882,7 +1882,7 @@ static int ims_pcu_init_application_mode(struct ims_pcu *pcu) - } - - /* Device appears to be operable, complete initialization */ -- pcu->device_no = atomic_inc_return(&device_no); -+ pcu->device_no = atomic_inc_return_unchecked(&device_no); - - /* - * PCU-B devices, both GEN_1 and GEN_2 do not have OFN sensor -diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h -index ad5a5a1..5eac214 100644 ---- a/drivers/input/mouse/psmouse.h -+++ b/drivers/input/mouse/psmouse.h -@@ -125,7 +125,7 @@ struct psmouse_attribute { - ssize_t (*set)(struct psmouse *psmouse, void *data, - const char *buf, size_t count); - bool protect; --}; -+} __do_const; - #define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr) - - ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr, -diff --git a/drivers/input/mousedev.c b/drivers/input/mousedev.c -index b604564..3f14ae4 100644 ---- a/drivers/input/mousedev.c -+++ b/drivers/input/mousedev.c -@@ -744,7 +744,7 @@ static ssize_t mousedev_read(struct file *file, char __user *buffer, - - spin_unlock_irq(&client->packet_lock); - -- if (copy_to_user(buffer, data, count)) -+ if (count > sizeof(data) || copy_to_user(buffer, data, count)) - return -EFAULT; - - return count; -diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c -index a05a517..323a2fd 100644 ---- a/drivers/input/serio/serio.c -+++ b/drivers/input/serio/serio.c -@@ -514,7 +514,7 @@ static void serio_release_port(struct device *dev) - */ - static void serio_init_port(struct serio *serio) - { -- static atomic_t serio_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t serio_no = ATOMIC_INIT(-1); - - __module_get(THIS_MODULE); - -@@ -525,7 +525,7 @@ static void serio_init_port(struct serio *serio) - mutex_init(&serio->drv_mutex); - device_initialize(&serio->dev); - dev_set_name(&serio->dev, "serio%lu", -- (unsigned long)atomic_inc_return(&serio_no)); -+ (unsigned long)atomic_inc_return_unchecked(&serio_no)); - serio->dev.bus = &serio_bus; - serio->dev.release = serio_release_port; - serio->dev.groups = serio_device_attr_groups; -diff --git a/drivers/input/serio/serio_raw.c b/drivers/input/serio/serio_raw.c -index 71ef5d6..93380a9 100644 ---- a/drivers/input/serio/serio_raw.c -+++ b/drivers/input/serio/serio_raw.c -@@ -292,7 +292,7 @@ static irqreturn_t serio_raw_interrupt(struct serio *serio, unsigned char data, - - static int serio_raw_connect(struct serio *serio, struct serio_driver *drv) - { -- static atomic_t serio_raw_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t serio_raw_no = ATOMIC_INIT(-1); - struct serio_raw *serio_raw; - int err; - -@@ -303,7 +303,7 @@ static int serio_raw_connect(struct serio *serio, struct serio_driver *drv) - } - - snprintf(serio_raw->name, sizeof(serio_raw->name), -- "serio_raw%ld", (long)atomic_inc_return(&serio_raw_no)); -+ "serio_raw%ld", (long)atomic_inc_return_unchecked(&serio_raw_no)); - kref_init(&serio_raw->kref); - INIT_LIST_HEAD(&serio_raw->client_list); - init_waitqueue_head(&serio_raw->wait); -diff --git a/drivers/input/touchscreen/htcpen.c b/drivers/input/touchscreen/htcpen.c -index 92e2243..8fd9092 100644 ---- a/drivers/input/touchscreen/htcpen.c -+++ b/drivers/input/touchscreen/htcpen.c -@@ -219,7 +219,7 @@ static struct isa_driver htcpen_isa_driver = { - } - }; - --static struct dmi_system_id htcshift_dmi_table[] __initdata = { -+static const struct dmi_system_id htcshift_dmi_table[] __initconst = { - { - .ident = "Shift", - .matches = { -diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c -index ca9f4ed..b860ff1 100644 ---- a/drivers/iommu/amd_iommu.c -+++ b/drivers/iommu/amd_iommu.c -@@ -829,11 +829,21 @@ static void copy_cmd_to_buffer(struct amd_iommu *iommu, - - static void build_completion_wait(struct iommu_cmd *cmd, u64 address) - { -+ phys_addr_t physaddr; - WARN_ON(address & 0x7ULL); - - memset(cmd, 0, sizeof(*cmd)); -- cmd->data[0] = lower_32_bits(__pa(address)) | CMD_COMPL_WAIT_STORE_MASK; -- cmd->data[1] = upper_32_bits(__pa(address)); -+ -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ if (object_starts_on_stack((void *)address)) { -+ void *adjbuf = (void *)address - current->stack + current->lowmem_stack; -+ physaddr = __pa((u64)adjbuf); -+ } else -+#endif -+ physaddr = __pa(address); -+ -+ cmd->data[0] = lower_32_bits(physaddr) | CMD_COMPL_WAIT_STORE_MASK; -+ cmd->data[1] = upper_32_bits(physaddr); - cmd->data[2] = 1; - CMD_SET_TYPE(cmd, CMD_COMPL_WAIT); - } -diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c -index 65075ef..53823f9 100644 ---- a/drivers/iommu/arm-smmu.c -+++ b/drivers/iommu/arm-smmu.c -@@ -331,7 +331,7 @@ enum arm_smmu_domain_stage { - - struct arm_smmu_domain { - struct arm_smmu_device *smmu; -- struct io_pgtable_ops *pgtbl_ops; -+ struct io_pgtable *pgtbl; - spinlock_t pgtbl_lock; - struct arm_smmu_cfg cfg; - enum arm_smmu_domain_stage stage; -@@ -817,7 +817,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, - { - int irq, start, ret = 0; - unsigned long ias, oas; -- struct io_pgtable_ops *pgtbl_ops; -+ struct io_pgtable *pgtbl; - struct io_pgtable_cfg pgtbl_cfg; - enum io_pgtable_fmt fmt; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -@@ -902,14 +902,16 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, - }; - - smmu_domain->smmu = smmu; -- pgtbl_ops = alloc_io_pgtable_ops(fmt, &pgtbl_cfg, smmu_domain); -- if (!pgtbl_ops) { -+ pgtbl = alloc_io_pgtable(fmt, &pgtbl_cfg, smmu_domain); -+ if (!pgtbl) { - ret = -ENOMEM; - goto out_clear_smmu; - } - - /* Update our support page sizes to reflect the page table format */ -- arm_smmu_ops.pgsize_bitmap = pgtbl_cfg.pgsize_bitmap; -+ pax_open_kernel(); -+ *(unsigned long *)&arm_smmu_ops.pgsize_bitmap = pgtbl_cfg.pgsize_bitmap; -+ pax_close_kernel(); - - /* Initialise the context bank with our page table cfg */ - arm_smmu_init_context_bank(smmu_domain, &pgtbl_cfg); -@@ -930,7 +932,7 @@ static int arm_smmu_init_domain_context(struct iommu_domain *domain, - mutex_unlock(&smmu_domain->init_mutex); - - /* Publish page table ops for map/unmap */ -- smmu_domain->pgtbl_ops = pgtbl_ops; -+ smmu_domain->pgtbl = pgtbl; - return 0; - - out_clear_smmu: -@@ -963,8 +965,7 @@ static void arm_smmu_destroy_domain_context(struct iommu_domain *domain) - free_irq(irq, domain); - } - -- if (smmu_domain->pgtbl_ops) -- free_io_pgtable_ops(smmu_domain->pgtbl_ops); -+ free_io_pgtable(smmu_domain->pgtbl); - - __arm_smmu_free_bitmap(smmu->context_map, cfg->cbndx); - } -@@ -1190,13 +1191,13 @@ static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova, - int ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return -ENODEV; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -- ret = ops->map(ops, iova, paddr, size, prot); -+ ret = iop->ops->map(iop, iova, paddr, size, prot); - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); - return ret; - } -@@ -1207,13 +1208,13 @@ static size_t arm_smmu_unmap(struct iommu_domain *domain, unsigned long iova, - size_t ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return 0; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -- ret = ops->unmap(ops, iova, size); -+ ret = iop->ops->unmap(iop, iova, size); - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); - return ret; - } -@@ -1224,7 +1225,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); - struct arm_smmu_device *smmu = smmu_domain->smmu; - struct arm_smmu_cfg *cfg = &smmu_domain->cfg; -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - struct device *dev = smmu->dev; - void __iomem *cb_base; - u32 tmp; -@@ -1247,7 +1248,7 @@ static phys_addr_t arm_smmu_iova_to_phys_hard(struct iommu_domain *domain, - dev_err(dev, - "iova to phys timed out on 0x%pad. Falling back to software table walk.\n", - &iova); -- return ops->iova_to_phys(ops, iova); -+ return iop->ops->iova_to_phys(iop, iova); - } - - phys = readl_relaxed(cb_base + ARM_SMMU_CB_PAR_LO); -@@ -1268,9 +1269,9 @@ static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain, - phys_addr_t ret; - unsigned long flags; - struct arm_smmu_domain *smmu_domain = to_smmu_domain(domain); -- struct io_pgtable_ops *ops= smmu_domain->pgtbl_ops; -+ struct io_pgtable *iop = smmu_domain->pgtbl; - -- if (!ops) -+ if (!iop) - return 0; - - spin_lock_irqsave(&smmu_domain->pgtbl_lock, flags); -@@ -1278,7 +1279,7 @@ static phys_addr_t arm_smmu_iova_to_phys(struct iommu_domain *domain, - smmu_domain->stage == ARM_SMMU_DOMAIN_S1) { - ret = arm_smmu_iova_to_phys_hard(domain, iova); - } else { -- ret = ops->iova_to_phys(ops, iova); -+ ret = iop->ops->iova_to_phys(iop, iova); - } - - spin_unlock_irqrestore(&smmu_domain->pgtbl_lock, flags); -@@ -1668,7 +1669,9 @@ static int arm_smmu_device_cfg_probe(struct arm_smmu_device *smmu) - size |= SZ_64K | SZ_512M; - } - -- arm_smmu_ops.pgsize_bitmap &= size; -+ pax_open_kernel(); -+ *(unsigned long *)&arm_smmu_ops.pgsize_bitmap &= size; -+ pax_close_kernel(); - dev_notice(smmu->dev, "\tSupported page sizes: 0x%08lx\n", size); - - if (smmu->features & ARM_SMMU_FEAT_TRANS_S1) -diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c -index 4e46021..f0a24fef 100644 ---- a/drivers/iommu/io-pgtable-arm.c -+++ b/drivers/iommu/io-pgtable-arm.c -@@ -36,12 +36,6 @@ - #define io_pgtable_to_data(x) \ - container_of((x), struct arm_lpae_io_pgtable, iop) - --#define io_pgtable_ops_to_pgtable(x) \ -- container_of((x), struct io_pgtable, ops) -- --#define io_pgtable_ops_to_data(x) \ -- io_pgtable_to_data(io_pgtable_ops_to_pgtable(x)) -- - /* - * For consistency with the architecture, we always consider - * ARM_LPAE_MAX_LEVELS levels, with the walk starting at level n >=0 -@@ -304,10 +298,10 @@ static arm_lpae_iopte arm_lpae_prot_to_pte(struct arm_lpae_io_pgtable *data, - return pte; - } - --static int arm_lpae_map(struct io_pgtable_ops *ops, unsigned long iova, -+static int arm_lpae_map(struct io_pgtable *iop, unsigned long iova, - phys_addr_t paddr, size_t size, int iommu_prot) - { -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - arm_lpae_iopte *ptep = data->pgd; - int lvl = ARM_LPAE_START_LVL(data); - arm_lpae_iopte prot; -@@ -447,12 +441,11 @@ static int __arm_lpae_unmap(struct arm_lpae_io_pgtable *data, - return __arm_lpae_unmap(data, iova, size, lvl + 1, ptep); - } - --static int arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova, -+static int arm_lpae_unmap(struct io_pgtable *iop, unsigned long iova, - size_t size) - { - size_t unmapped; -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -- struct io_pgtable *iop = &data->iop; -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - arm_lpae_iopte *ptep = data->pgd; - int lvl = ARM_LPAE_START_LVL(data); - -@@ -463,10 +456,10 @@ static int arm_lpae_unmap(struct io_pgtable_ops *ops, unsigned long iova, - return unmapped; - } - --static phys_addr_t arm_lpae_iova_to_phys(struct io_pgtable_ops *ops, -+static phys_addr_t arm_lpae_iova_to_phys(struct io_pgtable *iop, - unsigned long iova) - { -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - arm_lpae_iopte pte, *ptep = data->pgd; - int lvl = ARM_LPAE_START_LVL(data); - -@@ -533,6 +526,12 @@ static void arm_lpae_restrict_pgsizes(struct io_pgtable_cfg *cfg) - } - } - -+static struct io_pgtable_ops arm_lpae_io_pgtable_ops = { -+ .map = arm_lpae_map, -+ .unmap = arm_lpae_unmap, -+ .iova_to_phys = arm_lpae_iova_to_phys, -+}; -+ - static struct arm_lpae_io_pgtable * - arm_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg) - { -@@ -564,11 +563,7 @@ arm_lpae_alloc_pgtable(struct io_pgtable_cfg *cfg) - pgd_bits = va_bits - (data->bits_per_level * (data->levels - 1)); - data->pgd_size = 1UL << (pgd_bits + ilog2(sizeof(arm_lpae_iopte))); - -- data->iop.ops = (struct io_pgtable_ops) { -- .map = arm_lpae_map, -- .unmap = arm_lpae_unmap, -- .iova_to_phys = arm_lpae_iova_to_phys, -- }; -+ data->iop.ops = &arm_lpae_io_pgtable_ops; - - return data; - } -@@ -830,9 +825,9 @@ static struct iommu_gather_ops dummy_tlb_ops __initdata = { - .flush_pgtable = dummy_flush_pgtable, - }; - --static void __init arm_lpae_dump_ops(struct io_pgtable_ops *ops) -+static void __init arm_lpae_dump_ops(struct io_pgtable *iop) - { -- struct arm_lpae_io_pgtable *data = io_pgtable_ops_to_data(ops); -+ struct arm_lpae_io_pgtable *data = io_pgtable_to_data(iop); - struct io_pgtable_cfg *cfg = &data->iop.cfg; - - pr_err("cfg: pgsize_bitmap 0x%lx, ias %u-bit\n", -@@ -842,9 +837,9 @@ static void __init arm_lpae_dump_ops(struct io_pgtable_ops *ops) - data->bits_per_level, data->pgd); - } - --#define __FAIL(ops, i) ({ \ -+#define __FAIL(iop, i) ({ \ - WARN(1, "selftest: test failed for fmt idx %d\n", (i)); \ -- arm_lpae_dump_ops(ops); \ -+ arm_lpae_dump_ops(iop); \ - selftest_running = false; \ - -EFAULT; \ - }) -@@ -859,30 +854,32 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - int i, j; - unsigned long iova; - size_t size; -- struct io_pgtable_ops *ops; -+ struct io_pgtable *iop; -+ const struct io_pgtable_ops *ops; - - selftest_running = true; - - for (i = 0; i < ARRAY_SIZE(fmts); ++i) { - cfg_cookie = cfg; -- ops = alloc_io_pgtable_ops(fmts[i], cfg, cfg); -- if (!ops) { -+ iop = alloc_io_pgtable(fmts[i], cfg, cfg); -+ if (!iop) { - pr_err("selftest: failed to allocate io pgtable ops\n"); - return -ENOMEM; - } -+ ops = iop->ops; - - /* - * Initial sanity checks. - * Empty page tables shouldn't provide any translations. - */ -- if (ops->iova_to_phys(ops, 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, 42)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, SZ_1G + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, SZ_1G + 42)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, SZ_2G + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, SZ_2G + 42)) -+ return __FAIL(iop, i); - - /* - * Distinct mappings of different granule sizes. -@@ -892,19 +889,19 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - while (j != BITS_PER_LONG) { - size = 1UL << j; - -- if (ops->map(ops, iova, iova, size, IOMMU_READ | -+ if (ops->map(iop, iova, iova, size, IOMMU_READ | - IOMMU_WRITE | - IOMMU_NOEXEC | - IOMMU_CACHE)) -- return __FAIL(ops, i); -+ return __FAIL(iop, i); - - /* Overlapping mappings */ -- if (!ops->map(ops, iova, iova + size, size, -+ if (!ops->map(iop, iova, iova + size, size, - IOMMU_READ | IOMMU_NOEXEC)) -- return __FAIL(ops, i); -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, iova + 42) != (iova + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, iova + 42) != (iova + 42)) -+ return __FAIL(iop, i); - - iova += SZ_1G; - j++; -@@ -913,15 +910,15 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - - /* Partial unmap */ - size = 1UL << __ffs(cfg->pgsize_bitmap); -- if (ops->unmap(ops, SZ_1G + size, size) != size) -- return __FAIL(ops, i); -+ if (ops->unmap(iop, SZ_1G + size, size) != size) -+ return __FAIL(iop, i); - - /* Remap of partial unmap */ -- if (ops->map(ops, SZ_1G + size, size, size, IOMMU_READ)) -- return __FAIL(ops, i); -+ if (ops->map(iop, SZ_1G + size, size, size, IOMMU_READ)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, SZ_1G + size + 42) != (size + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, SZ_1G + size + 42) != (size + 42)) -+ return __FAIL(iop, i); - - /* Full unmap */ - iova = 0; -@@ -929,25 +926,25 @@ static int __init arm_lpae_run_tests(struct io_pgtable_cfg *cfg) - while (j != BITS_PER_LONG) { - size = 1UL << j; - -- if (ops->unmap(ops, iova, size) != size) -- return __FAIL(ops, i); -+ if (ops->unmap(iop, iova, size) != size) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, iova + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, iova + 42)) -+ return __FAIL(iop, i); - - /* Remap full block */ -- if (ops->map(ops, iova, iova, size, IOMMU_WRITE)) -- return __FAIL(ops, i); -+ if (ops->map(iop, iova, iova, size, IOMMU_WRITE)) -+ return __FAIL(iop, i); - -- if (ops->iova_to_phys(ops, iova + 42) != (iova + 42)) -- return __FAIL(ops, i); -+ if (ops->iova_to_phys(iop, iova + 42) != (iova + 42)) -+ return __FAIL(iop, i); - - iova += SZ_1G; - j++; - j = find_next_bit(&cfg->pgsize_bitmap, BITS_PER_LONG, j); - } - -- free_io_pgtable_ops(ops); -+ free_io_pgtable(iop); - } - - selftest_running = false; -diff --git a/drivers/iommu/io-pgtable.c b/drivers/iommu/io-pgtable.c -index 6436fe2..088c965 100644 ---- a/drivers/iommu/io-pgtable.c -+++ b/drivers/iommu/io-pgtable.c -@@ -40,7 +40,7 @@ io_pgtable_init_table[IO_PGTABLE_NUM_FMTS] = - #endif - }; - --struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, -+struct io_pgtable *alloc_io_pgtable(enum io_pgtable_fmt fmt, - struct io_pgtable_cfg *cfg, - void *cookie) - { -@@ -62,21 +62,18 @@ struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, - iop->cookie = cookie; - iop->cfg = *cfg; - -- return &iop->ops; -+ return iop; - } - - /* - * It is the IOMMU driver's responsibility to ensure that the page table - * is no longer accessible to the walker by this point. - */ --void free_io_pgtable_ops(struct io_pgtable_ops *ops) -+void free_io_pgtable(struct io_pgtable *iop) - { -- struct io_pgtable *iop; -- -- if (!ops) -+ if (!iop) - return; - -- iop = container_of(ops, struct io_pgtable, ops); - iop->cfg.tlb->tlb_flush_all(iop->cookie); - io_pgtable_init_table[iop->fmt]->free(iop); - } -diff --git a/drivers/iommu/io-pgtable.h b/drivers/iommu/io-pgtable.h -index 10e32f6..0b276c8 100644 ---- a/drivers/iommu/io-pgtable.h -+++ b/drivers/iommu/io-pgtable.h -@@ -75,17 +75,18 @@ struct io_pgtable_cfg { - * These functions map directly onto the iommu_ops member functions with - * the same names. - */ -+struct io_pgtable; - struct io_pgtable_ops { -- int (*map)(struct io_pgtable_ops *ops, unsigned long iova, -+ int (*map)(struct io_pgtable *iop, unsigned long iova, - phys_addr_t paddr, size_t size, int prot); -- int (*unmap)(struct io_pgtable_ops *ops, unsigned long iova, -+ int (*unmap)(struct io_pgtable *iop, unsigned long iova, - size_t size); -- phys_addr_t (*iova_to_phys)(struct io_pgtable_ops *ops, -+ phys_addr_t (*iova_to_phys)(struct io_pgtable *iop, - unsigned long iova); - }; - - /** -- * alloc_io_pgtable_ops() - Allocate a page table allocator for use by an IOMMU. -+ * alloc_io_pgtable() - Allocate a page table allocator for use by an IOMMU. - * - * @fmt: The page table format. - * @cfg: The page table configuration. This will be modified to represent -@@ -94,9 +95,9 @@ struct io_pgtable_ops { - * @cookie: An opaque token provided by the IOMMU driver and passed back to - * the callback routines in cfg->tlb. - */ --struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, -- struct io_pgtable_cfg *cfg, -- void *cookie); -+struct io_pgtable *alloc_io_pgtable(enum io_pgtable_fmt fmt, -+ struct io_pgtable_cfg *cfg, -+ void *cookie); - - /** - * free_io_pgtable_ops() - Free an io_pgtable_ops structure. The caller -@@ -105,7 +106,7 @@ struct io_pgtable_ops *alloc_io_pgtable_ops(enum io_pgtable_fmt fmt, - * - * @ops: The ops returned from alloc_io_pgtable_ops. - */ --void free_io_pgtable_ops(struct io_pgtable_ops *ops); -+void free_io_pgtable(struct io_pgtable *iop); - - - /* -@@ -125,7 +126,7 @@ struct io_pgtable { - enum io_pgtable_fmt fmt; - void *cookie; - struct io_pgtable_cfg cfg; -- struct io_pgtable_ops ops; -+ const struct io_pgtable_ops *ops; - }; - - /** -diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c -index d4f527e..8e4a4fd 100644 ---- a/drivers/iommu/iommu.c -+++ b/drivers/iommu/iommu.c -@@ -802,7 +802,7 @@ static int iommu_bus_notifier(struct notifier_block *nb, - static int iommu_bus_init(struct bus_type *bus, const struct iommu_ops *ops) - { - int err; -- struct notifier_block *nb; -+ notifier_block_no_const *nb; - struct iommu_callback_data cb = { - .ops = ops, - }; -diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c -index 1a67c53..23181d8 100644 ---- a/drivers/iommu/ipmmu-vmsa.c -+++ b/drivers/iommu/ipmmu-vmsa.c -@@ -41,7 +41,7 @@ struct ipmmu_vmsa_domain { - struct iommu_domain io_domain; - - struct io_pgtable_cfg cfg; -- struct io_pgtable_ops *iop; -+ struct io_pgtable *iop; - - unsigned int context_id; - spinlock_t lock; /* Protects mappings */ -@@ -328,8 +328,7 @@ static int ipmmu_domain_init_context(struct ipmmu_vmsa_domain *domain) - domain->cfg.oas = 40; - domain->cfg.tlb = &ipmmu_gather_ops; - -- domain->iop = alloc_io_pgtable_ops(ARM_32_LPAE_S1, &domain->cfg, -- domain); -+ domain->iop = alloc_io_pgtable(ARM_32_LPAE_S1, &domain->cfg, domain); - if (!domain->iop) - return -EINVAL; - -@@ -487,7 +486,7 @@ static void ipmmu_domain_free(struct iommu_domain *io_domain) - * been detached. - */ - ipmmu_domain_destroy_context(domain); -- free_io_pgtable_ops(domain->iop); -+ free_io_pgtable(domain->iop); - kfree(domain); - } - -@@ -556,7 +555,7 @@ static int ipmmu_map(struct iommu_domain *io_domain, unsigned long iova, - if (!domain) - return -ENODEV; - -- return domain->iop->map(domain->iop, iova, paddr, size, prot); -+ return domain->iop->ops->map(domain->iop, iova, paddr, size, prot); - } - - static size_t ipmmu_unmap(struct iommu_domain *io_domain, unsigned long iova, -@@ -564,7 +563,7 @@ static size_t ipmmu_unmap(struct iommu_domain *io_domain, unsigned long iova, - { - struct ipmmu_vmsa_domain *domain = to_vmsa_domain(io_domain); - -- return domain->iop->unmap(domain->iop, iova, size); -+ return domain->iop->ops->unmap(domain->iop, iova, size); - } - - static phys_addr_t ipmmu_iova_to_phys(struct iommu_domain *io_domain, -@@ -574,7 +573,7 @@ static phys_addr_t ipmmu_iova_to_phys(struct iommu_domain *io_domain, - - /* TODO: Is locking needed ? */ - -- return domain->iop->iova_to_phys(domain->iop, iova); -+ return domain->iop->ops->iova_to_phys(domain->iop, iova); - } - - static int ipmmu_find_utlbs(struct ipmmu_vmsa_device *mmu, struct device *dev, -diff --git a/drivers/iommu/irq_remapping.c b/drivers/iommu/irq_remapping.c -index 390079e..1da9d6c 100644 ---- a/drivers/iommu/irq_remapping.c -+++ b/drivers/iommu/irq_remapping.c -@@ -329,7 +329,7 @@ int setup_hpet_msi_remapped(unsigned int irq, unsigned int id) - void panic_if_irq_remap(const char *msg) - { - if (irq_remapping_enabled) -- panic(msg); -+ panic("%s", msg); - } - - static void ir_ack_apic_edge(struct irq_data *data) -@@ -350,10 +350,12 @@ static void ir_print_prefix(struct irq_data *data, struct seq_file *p) - - void irq_remap_modify_chip_defaults(struct irq_chip *chip) - { -- chip->irq_print_chip = ir_print_prefix; -- chip->irq_ack = ir_ack_apic_edge; -- chip->irq_eoi = ir_ack_apic_level; -- chip->irq_set_affinity = x86_io_apic_ops.set_affinity; -+ pax_open_kernel(); -+ *(void **)&chip->irq_print_chip = ir_print_prefix; -+ *(void **)&chip->irq_ack = ir_ack_apic_edge; -+ *(void **)&chip->irq_eoi = ir_ack_apic_level; -+ *(void **)&chip->irq_set_affinity = x86_io_apic_ops.set_affinity; -+ pax_close_kernel(); - } - - bool setup_remapped_irq(int irq, struct irq_cfg *cfg, struct irq_chip *chip) -diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c -index 01999d7..4f14bb7 100644 ---- a/drivers/irqchip/irq-gic.c -+++ b/drivers/irqchip/irq-gic.c -@@ -313,7 +313,7 @@ static void gic_handle_cascade_irq(unsigned int irq, struct irq_desc *desc) - chained_irq_exit(chip, desc); - } - --static struct irq_chip gic_chip = { -+static irq_chip_no_const gic_chip __read_only = { - .name = "GIC", - .irq_mask = gic_mask_irq, - .irq_unmask = gic_unmask_irq, -diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c -index 9a0767b..5e5f86f 100644 ---- a/drivers/irqchip/irq-renesas-intc-irqpin.c -+++ b/drivers/irqchip/irq-renesas-intc-irqpin.c -@@ -373,7 +373,7 @@ static int intc_irqpin_probe(struct platform_device *pdev) - struct intc_irqpin_iomem *i; - struct resource *io[INTC_IRQPIN_REG_NR]; - struct resource *irq; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - void (*enable_fn)(struct irq_data *d); - void (*disable_fn)(struct irq_data *d); - const char *name = dev_name(dev); -diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c -index cdf80b7..e5c3ade 100644 ---- a/drivers/irqchip/irq-renesas-irqc.c -+++ b/drivers/irqchip/irq-renesas-irqc.c -@@ -179,7 +179,7 @@ static int irqc_probe(struct platform_device *pdev) - struct irqc_priv *p; - struct resource *io; - struct resource *irq; -- struct irq_chip *irq_chip; -+ irq_chip_no_const *irq_chip; - const char *name = dev_name(&pdev->dev); - int ret; - int k; -diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c -index 6a2df32..dc962f1 100644 ---- a/drivers/isdn/capi/capi.c -+++ b/drivers/isdn/capi/capi.c -@@ -81,8 +81,8 @@ struct capiminor { - - struct capi20_appl *ap; - u32 ncci; -- atomic_t datahandle; -- atomic_t msgid; -+ atomic_unchecked_t datahandle; -+ atomic_unchecked_t msgid; - - struct tty_port port; - int ttyinstop; -@@ -391,7 +391,7 @@ gen_data_b3_resp_for(struct capiminor *mp, struct sk_buff *skb) - capimsg_setu16(s, 2, mp->ap->applid); - capimsg_setu8 (s, 4, CAPI_DATA_B3); - capimsg_setu8 (s, 5, CAPI_RESP); -- capimsg_setu16(s, 6, atomic_inc_return(&mp->msgid)); -+ capimsg_setu16(s, 6, atomic_inc_return_unchecked(&mp->msgid)); - capimsg_setu32(s, 8, mp->ncci); - capimsg_setu16(s, 12, datahandle); - } -@@ -512,14 +512,14 @@ static void handle_minor_send(struct capiminor *mp) - mp->outbytes -= len; - spin_unlock_bh(&mp->outlock); - -- datahandle = atomic_inc_return(&mp->datahandle); -+ datahandle = atomic_inc_return_unchecked(&mp->datahandle); - skb_push(skb, CAPI_DATA_B3_REQ_LEN); - memset(skb->data, 0, CAPI_DATA_B3_REQ_LEN); - capimsg_setu16(skb->data, 0, CAPI_DATA_B3_REQ_LEN); - capimsg_setu16(skb->data, 2, mp->ap->applid); - capimsg_setu8 (skb->data, 4, CAPI_DATA_B3); - capimsg_setu8 (skb->data, 5, CAPI_REQ); -- capimsg_setu16(skb->data, 6, atomic_inc_return(&mp->msgid)); -+ capimsg_setu16(skb->data, 6, atomic_inc_return_unchecked(&mp->msgid)); - capimsg_setu32(skb->data, 8, mp->ncci); /* NCCI */ - capimsg_setu32(skb->data, 12, (u32)(long)skb->data);/* Data32 */ - capimsg_setu16(skb->data, 16, len); /* Data length */ -diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c -index aecec6d..11e13c5 100644 ---- a/drivers/isdn/gigaset/bas-gigaset.c -+++ b/drivers/isdn/gigaset/bas-gigaset.c -@@ -2565,22 +2565,22 @@ static int gigaset_post_reset(struct usb_interface *intf) - - - static const struct gigaset_ops gigops = { -- gigaset_write_cmd, -- gigaset_write_room, -- gigaset_chars_in_buffer, -- gigaset_brkchars, -- gigaset_init_bchannel, -- gigaset_close_bchannel, -- gigaset_initbcshw, -- gigaset_freebcshw, -- gigaset_reinitbcshw, -- gigaset_initcshw, -- gigaset_freecshw, -- gigaset_set_modem_ctrl, -- gigaset_baud_rate, -- gigaset_set_line_ctrl, -- gigaset_isoc_send_skb, -- gigaset_isoc_input, -+ .write_cmd = gigaset_write_cmd, -+ .write_room = gigaset_write_room, -+ .chars_in_buffer = gigaset_chars_in_buffer, -+ .brkchars = gigaset_brkchars, -+ .init_bchannel = gigaset_init_bchannel, -+ .close_bchannel = gigaset_close_bchannel, -+ .initbcshw = gigaset_initbcshw, -+ .freebcshw = gigaset_freebcshw, -+ .reinitbcshw = gigaset_reinitbcshw, -+ .initcshw = gigaset_initcshw, -+ .freecshw = gigaset_freecshw, -+ .set_modem_ctrl = gigaset_set_modem_ctrl, -+ .baud_rate = gigaset_baud_rate, -+ .set_line_ctrl = gigaset_set_line_ctrl, -+ .send_skb = gigaset_isoc_send_skb, -+ .handle_input = gigaset_isoc_input, - }; - - /* bas_gigaset_init -diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c -index 600c79b..3752bab 100644 ---- a/drivers/isdn/gigaset/interface.c -+++ b/drivers/isdn/gigaset/interface.c -@@ -130,9 +130,9 @@ static int if_open(struct tty_struct *tty, struct file *filp) - } - tty->driver_data = cs; - -- ++cs->port.count; -+ atomic_inc(&cs->port.count); - -- if (cs->port.count == 1) { -+ if (atomic_read(&cs->port.count) == 1) { - tty_port_tty_set(&cs->port, tty); - cs->port.low_latency = 1; - } -@@ -156,9 +156,9 @@ static void if_close(struct tty_struct *tty, struct file *filp) - - if (!cs->connected) - gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ -- else if (!cs->port.count) -+ else if (!atomic_read(&cs->port.count)) - dev_warn(cs->dev, "%s: device not opened\n", __func__); -- else if (!--cs->port.count) -+ else if (!atomic_dec_return(&cs->port.count)) - tty_port_tty_set(&cs->port, NULL); - - mutex_unlock(&cs->mutex); -diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c -index 8c91fd5..14f13ce 100644 ---- a/drivers/isdn/gigaset/ser-gigaset.c -+++ b/drivers/isdn/gigaset/ser-gigaset.c -@@ -453,22 +453,22 @@ static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag) - } - - static const struct gigaset_ops ops = { -- gigaset_write_cmd, -- gigaset_write_room, -- gigaset_chars_in_buffer, -- gigaset_brkchars, -- gigaset_init_bchannel, -- gigaset_close_bchannel, -- gigaset_initbcshw, -- gigaset_freebcshw, -- gigaset_reinitbcshw, -- gigaset_initcshw, -- gigaset_freecshw, -- gigaset_set_modem_ctrl, -- gigaset_baud_rate, -- gigaset_set_line_ctrl, -- gigaset_m10x_send_skb, /* asyncdata.c */ -- gigaset_m10x_input, /* asyncdata.c */ -+ .write_cmd = gigaset_write_cmd, -+ .write_room = gigaset_write_room, -+ .chars_in_buffer = gigaset_chars_in_buffer, -+ .brkchars = gigaset_brkchars, -+ .init_bchannel = gigaset_init_bchannel, -+ .close_bchannel = gigaset_close_bchannel, -+ .initbcshw = gigaset_initbcshw, -+ .freebcshw = gigaset_freebcshw, -+ .reinitbcshw = gigaset_reinitbcshw, -+ .initcshw = gigaset_initcshw, -+ .freecshw = gigaset_freecshw, -+ .set_modem_ctrl = gigaset_set_modem_ctrl, -+ .baud_rate = gigaset_baud_rate, -+ .set_line_ctrl = gigaset_set_line_ctrl, -+ .send_skb = gigaset_m10x_send_skb, /* asyncdata.c */ -+ .handle_input = gigaset_m10x_input, /* asyncdata.c */ - }; - - -diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c -index 5f306e2..5342f88 100644 ---- a/drivers/isdn/gigaset/usb-gigaset.c -+++ b/drivers/isdn/gigaset/usb-gigaset.c -@@ -543,7 +543,7 @@ static int gigaset_brkchars(struct cardstate *cs, const unsigned char buf[6]) - gigaset_dbg_buffer(DEBUG_USBREQ, "brkchars", 6, buf); - memcpy(cs->hw.usb->bchars, buf, 6); - return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x19, 0x41, -- 0, 0, &buf, 6, 2000); -+ 0, 0, buf, 6, 2000); - } - - static void gigaset_freebcshw(struct bc_state *bcs) -@@ -862,22 +862,22 @@ static int gigaset_pre_reset(struct usb_interface *intf) - } - - static const struct gigaset_ops ops = { -- gigaset_write_cmd, -- gigaset_write_room, -- gigaset_chars_in_buffer, -- gigaset_brkchars, -- gigaset_init_bchannel, -- gigaset_close_bchannel, -- gigaset_initbcshw, -- gigaset_freebcshw, -- gigaset_reinitbcshw, -- gigaset_initcshw, -- gigaset_freecshw, -- gigaset_set_modem_ctrl, -- gigaset_baud_rate, -- gigaset_set_line_ctrl, -- gigaset_m10x_send_skb, -- gigaset_m10x_input, -+ .write_cmd = gigaset_write_cmd, -+ .write_room = gigaset_write_room, -+ .chars_in_buffer = gigaset_chars_in_buffer, -+ .brkchars = gigaset_brkchars, -+ .init_bchannel = gigaset_init_bchannel, -+ .close_bchannel = gigaset_close_bchannel, -+ .initbcshw = gigaset_initbcshw, -+ .freebcshw = gigaset_freebcshw, -+ .reinitbcshw = gigaset_reinitbcshw, -+ .initcshw = gigaset_initcshw, -+ .freecshw = gigaset_freecshw, -+ .set_modem_ctrl = gigaset_set_modem_ctrl, -+ .baud_rate = gigaset_baud_rate, -+ .set_line_ctrl = gigaset_set_line_ctrl, -+ .send_skb = gigaset_m10x_send_skb, -+ .handle_input = gigaset_m10x_input, - }; - - /* -diff --git a/drivers/isdn/hardware/avm/b1.c b/drivers/isdn/hardware/avm/b1.c -index 4d9b195..455075c 100644 ---- a/drivers/isdn/hardware/avm/b1.c -+++ b/drivers/isdn/hardware/avm/b1.c -@@ -176,7 +176,7 @@ int b1_load_t4file(avmcard *card, capiloaddatapart *t4file) - } - if (left) { - if (t4file->user) { -- if (copy_from_user(buf, dp, left)) -+ if (left > sizeof buf || copy_from_user(buf, dp, left)) - return -EFAULT; - } else { - memcpy(buf, dp, left); -@@ -224,7 +224,7 @@ int b1_load_config(avmcard *card, capiloaddatapart *config) - } - if (left) { - if (config->user) { -- if (copy_from_user(buf, dp, left)) -+ if (left > sizeof buf || copy_from_user(buf, dp, left)) - return -EFAULT; - } else { - memcpy(buf, dp, left); -diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c -index 9b856e1..fa03c92 100644 ---- a/drivers/isdn/i4l/isdn_common.c -+++ b/drivers/isdn/i4l/isdn_common.c -@@ -1654,6 +1654,8 @@ isdn_ioctl(struct file *file, uint cmd, ulong arg) - } else - return -EINVAL; - case IIOCDBGVAR: -+ if (!capable(CAP_SYS_RAWIO)) -+ return -EPERM; - if (arg) { - if (copy_to_user(argp, &dev, sizeof(ulong))) - return -EFAULT; -diff --git a/drivers/isdn/i4l/isdn_concap.c b/drivers/isdn/i4l/isdn_concap.c -index 91d5730..336523e 100644 ---- a/drivers/isdn/i4l/isdn_concap.c -+++ b/drivers/isdn/i4l/isdn_concap.c -@@ -80,9 +80,9 @@ static int isdn_concap_dl_disconn_req(struct concap_proto *concap) - } - - struct concap_device_ops isdn_concap_reliable_dl_dops = { -- &isdn_concap_dl_data_req, -- &isdn_concap_dl_connect_req, -- &isdn_concap_dl_disconn_req -+ .data_req = &isdn_concap_dl_data_req, -+ .connect_req = &isdn_concap_dl_connect_req, -+ .disconn_req = &isdn_concap_dl_disconn_req - }; - - /* The following should better go into a dedicated source file such that -diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c -index bc91261..2ef7e36 100644 ---- a/drivers/isdn/i4l/isdn_tty.c -+++ b/drivers/isdn/i4l/isdn_tty.c -@@ -1503,9 +1503,9 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp) - - #ifdef ISDN_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "isdn_tty_open %s, count = %d\n", tty->name, -- port->count); -+ atomic_read(&port->count)); - #endif -- port->count++; -+ atomic_inc(&port->count); - port->tty = tty; - /* - * Start up serial port -@@ -1549,7 +1549,7 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp) - #endif - return; - } -- if ((tty->count == 1) && (port->count != 1)) { -+ if ((tty->count == 1) && (atomic_read(&port->count) != 1)) { - /* - * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. Info->count should always -@@ -1558,15 +1558,15 @@ isdn_tty_close(struct tty_struct *tty, struct file *filp) - * serial port won't be shutdown. - */ - printk(KERN_ERR "isdn_tty_close: bad port count; tty->count is 1, " -- "info->count is %d\n", port->count); -- port->count = 1; -+ "info->count is %d\n", atomic_read(&port->count)); -+ atomic_set(&port->count, 1); - } -- if (--port->count < 0) { -+ if (atomic_dec_return(&port->count) < 0) { - printk(KERN_ERR "isdn_tty_close: bad port count for ttyi%d: %d\n", -- info->line, port->count); -- port->count = 0; -+ info->line, atomic_read(&port->count)); -+ atomic_set(&port->count, 0); - } -- if (port->count) { -+ if (atomic_read(&port->count)) { - #ifdef ISDN_DEBUG_MODEM_OPEN - printk(KERN_DEBUG "isdn_tty_close after info->count != 0\n"); - #endif -@@ -1620,7 +1620,7 @@ isdn_tty_hangup(struct tty_struct *tty) - if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_hangup")) - return; - isdn_tty_shutdown(info); -- port->count = 0; -+ atomic_set(&port->count, 0); - port->flags &= ~ASYNC_NORMAL_ACTIVE; - port->tty = NULL; - wake_up_interruptible(&port->open_wait); -@@ -1965,7 +1965,7 @@ isdn_tty_find_icall(int di, int ch, setup_parm *setup) - for (i = 0; i < ISDN_MAX_CHANNELS; i++) { - modem_info *info = &dev->mdm.info[i]; - -- if (info->port.count == 0) -+ if (atomic_read(&info->port.count) == 0) - continue; - if ((info->emu.mdmreg[REG_SI1] & si2bit[si1]) && /* SI1 is matching */ - (info->emu.mdmreg[REG_SI2] == si2)) { /* SI2 is matching */ -diff --git a/drivers/isdn/i4l/isdn_x25iface.c b/drivers/isdn/i4l/isdn_x25iface.c -index e2d4e58..40cd045 100644 ---- a/drivers/isdn/i4l/isdn_x25iface.c -+++ b/drivers/isdn/i4l/isdn_x25iface.c -@@ -53,14 +53,14 @@ static int isdn_x25iface_disconn_ind(struct concap_proto *); - - - static struct concap_proto_ops ix25_pops = { -- &isdn_x25iface_proto_new, -- &isdn_x25iface_proto_del, -- &isdn_x25iface_proto_restart, -- &isdn_x25iface_proto_close, -- &isdn_x25iface_xmit, -- &isdn_x25iface_receive, -- &isdn_x25iface_connect_ind, -- &isdn_x25iface_disconn_ind -+ .proto_new = &isdn_x25iface_proto_new, -+ .proto_del = &isdn_x25iface_proto_del, -+ .restart = &isdn_x25iface_proto_restart, -+ .close = &isdn_x25iface_proto_close, -+ .encap_and_xmit = &isdn_x25iface_xmit, -+ .data_ind = &isdn_x25iface_receive, -+ .connect_ind = &isdn_x25iface_connect_ind, -+ .disconn_ind = &isdn_x25iface_disconn_ind - }; - - /* error message helper function */ -diff --git a/drivers/isdn/icn/icn.c b/drivers/isdn/icn/icn.c -index 358a574..b4987ea 100644 ---- a/drivers/isdn/icn/icn.c -+++ b/drivers/isdn/icn/icn.c -@@ -1045,7 +1045,7 @@ icn_writecmd(const u_char *buf, int len, int user, icn_card *card) - if (count > len) - count = len; - if (user) { -- if (copy_from_user(msg, buf, count)) -+ if (count > sizeof msg || copy_from_user(msg, buf, count)) - return -EFAULT; - } else - memcpy(msg, buf, count); -diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c -index 52c4382..09e0c7c 100644 ---- a/drivers/isdn/mISDN/dsp_cmx.c -+++ b/drivers/isdn/mISDN/dsp_cmx.c -@@ -1625,7 +1625,7 @@ unsigned long dsp_spl_jiffies; /* calculate the next time to fire */ - static u16 dsp_count; /* last sample count */ - static int dsp_count_valid; /* if we have last sample count */ - --void -+void __intentional_overflow(-1) - dsp_cmx_send(void *arg) - { - struct dsp_conf *conf; -diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c -index 312ffd3..9263d05 100644 ---- a/drivers/lguest/core.c -+++ b/drivers/lguest/core.c -@@ -96,9 +96,17 @@ static __init int map_switcher(void) - * The end address needs +1 because __get_vm_area allocates an - * extra guard page, so we need space for that. - */ -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE, -+ VM_ALLOC | VM_KERNEXEC, switcher_addr, switcher_addr -+ + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE); -+#else - switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE, - VM_ALLOC, switcher_addr, switcher_addr - + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE); -+#endif -+ - if (!switcher_vma) { - err = -ENOMEM; - printk("lguest: could not map switcher pages high\n"); -@@ -121,7 +129,7 @@ static __init int map_switcher(void) - * Now the Switcher is mapped at the right address, we can't fail! - * Copy in the compiled-in Switcher code (from x86/switcher_32.S). - */ -- memcpy(switcher_vma->addr, start_switcher_text, -+ memcpy(switcher_vma->addr, ktla_ktva(start_switcher_text), - end_switcher_text - start_switcher_text); - - printk(KERN_INFO "lguest: mapped switcher at %p\n", -diff --git a/drivers/lguest/page_tables.c b/drivers/lguest/page_tables.c -index e3abebc9..6a35328 100644 ---- a/drivers/lguest/page_tables.c -+++ b/drivers/lguest/page_tables.c -@@ -585,7 +585,7 @@ void pin_page(struct lg_cpu *cpu, unsigned long vaddr) - /*:*/ - - #ifdef CONFIG_X86_PAE --static void release_pmd(pmd_t *spmd) -+static void __intentional_overflow(-1) release_pmd(pmd_t *spmd) - { - /* If the entry's not present, there's nothing to release. */ - if (pmd_flags(*spmd) & _PAGE_PRESENT) { -diff --git a/drivers/lguest/x86/core.c b/drivers/lguest/x86/core.c -index 30f2aef..391c748 100644 ---- a/drivers/lguest/x86/core.c -+++ b/drivers/lguest/x86/core.c -@@ -60,7 +60,7 @@ static struct { - /* Offset from where switcher.S was compiled to where we've copied it */ - static unsigned long switcher_offset(void) - { -- return switcher_addr - (unsigned long)start_switcher_text; -+ return switcher_addr - (unsigned long)ktla_ktva(start_switcher_text); - } - - /* This cpu's struct lguest_pages (after the Switcher text page) */ -@@ -100,7 +100,13 @@ static void copy_in_guest_info(struct lg_cpu *cpu, struct lguest_pages *pages) - * These copies are pretty cheap, so we do them unconditionally: */ - /* Save the current Host top-level page directory. - */ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pages->state.host_cr3 = read_cr3(); -+#else - pages->state.host_cr3 = __pa(current->mm->pgd); -+#endif -+ - /* - * Set up the Guest's page tables to see this CPU's pages (and no - * other CPU's pages). -@@ -494,7 +500,7 @@ void __init lguest_arch_host_init(void) - * compiled-in switcher code and the high-mapped copy we just made. - */ - for (i = 0; i < IDT_ENTRIES; i++) -- default_idt_entries[i] += switcher_offset(); -+ default_idt_entries[i] = ktla_ktva(default_idt_entries[i]) + switcher_offset(); - - /* - * Set up the Switcher's per-cpu areas. -@@ -577,7 +583,7 @@ void __init lguest_arch_host_init(void) - * it will be undisturbed when we switch. To change %cs and jump we - * need this structure to feed to Intel's "lcall" instruction. - */ -- lguest_entry.offset = (long)switch_to_guest + switcher_offset(); -+ lguest_entry.offset = (long)ktla_ktva(switch_to_guest) + switcher_offset(); - lguest_entry.segment = LGUEST_CS; - - /* -diff --git a/drivers/lguest/x86/switcher_32.S b/drivers/lguest/x86/switcher_32.S -index 40634b0..4f5855e 100644 ---- a/drivers/lguest/x86/switcher_32.S -+++ b/drivers/lguest/x86/switcher_32.S -@@ -87,6 +87,7 @@ - #include <asm/page.h> - #include <asm/segment.h> - #include <asm/lguest.h> -+#include <asm/processor-flags.h> - - // We mark the start of the code to copy - // It's placed in .text tho it's never run here -@@ -149,6 +150,13 @@ ENTRY(switch_to_guest) - // Changes type when we load it: damn Intel! - // For after we switch over our page tables - // That entry will be read-only: we'd crash. -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cr0, %edx -+ xor $X86_CR0_WP, %edx -+ mov %edx, %cr0 -+#endif -+ - movl $(GDT_ENTRY_TSS*8), %edx - ltr %dx - -@@ -157,9 +165,15 @@ ENTRY(switch_to_guest) - // Let's clear it again for our return. - // The GDT descriptor of the Host - // Points to the table after two "size" bytes -- movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %edx -+ movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %eax - // Clear "used" from type field (byte 5, bit 2) -- andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%edx) -+ andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%eax) -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cr0, %eax -+ xor $X86_CR0_WP, %eax -+ mov %eax, %cr0 -+#endif - - // Once our page table's switched, the Guest is live! - // The Host fades as we run this final step. -@@ -295,13 +309,12 @@ deliver_to_host: - // I consulted gcc, and it gave - // These instructions, which I gladly credit: - leal (%edx,%ebx,8), %eax -- movzwl (%eax),%edx -- movl 4(%eax), %eax -- xorw %ax, %ax -- orl %eax, %edx -+ movl 4(%eax), %edx -+ movw (%eax), %dx - // Now the address of the handler's in %edx - // We call it now: its "iret" drops us home. -- jmp *%edx -+ ljmp $__KERNEL_CS, $1f -+1: jmp *%edx - - // Every interrupt can come to us here - // But we must truly tell each apart. -diff --git a/drivers/md/bcache/closure.h b/drivers/md/bcache/closure.h -index a08e3ee..df8ade2 100644 ---- a/drivers/md/bcache/closure.h -+++ b/drivers/md/bcache/closure.h -@@ -238,7 +238,7 @@ static inline void closure_set_stopped(struct closure *cl) - static inline void set_closure_fn(struct closure *cl, closure_fn *fn, - struct workqueue_struct *wq) - { -- BUG_ON(object_is_on_stack(cl)); -+ BUG_ON(object_starts_on_stack(cl)); - closure_set_ip(cl); - cl->fn = fn; - cl->wq = wq; -diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c -index c90118e..226d9e5 100644 ---- a/drivers/md/bitmap.c -+++ b/drivers/md/bitmap.c -@@ -1936,7 +1936,7 @@ void bitmap_status(struct seq_file *seq, struct bitmap *bitmap) - chunk_kb ? "KB" : "B"); - if (bitmap->storage.file) { - seq_printf(seq, ", file: "); -- seq_path(seq, &bitmap->storage.file->f_path, " \t\n"); -+ seq_path(seq, &bitmap->storage.file->f_path, " \t\n\"); - } - - seq_printf(seq, "\n"); -diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c -index 720ceeb..030f1d4 100644 ---- a/drivers/md/dm-ioctl.c -+++ b/drivers/md/dm-ioctl.c -@@ -1773,7 +1773,7 @@ static int validate_params(uint cmd, struct dm_ioctl *param) - cmd == DM_LIST_VERSIONS_CMD) - return 0; - -- if ((cmd == DM_DEV_CREATE_CMD)) { -+ if (cmd == DM_DEV_CREATE_CMD) { - if (!*param->name) { - DMWARN("name not supplied when creating device"); - return -EINVAL; -diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c -index 089d627..ef7352e 100644 ---- a/drivers/md/dm-raid1.c -+++ b/drivers/md/dm-raid1.c -@@ -40,7 +40,7 @@ enum dm_raid1_error { - - struct mirror { - struct mirror_set *ms; -- atomic_t error_count; -+ atomic_unchecked_t error_count; - unsigned long error_type; - struct dm_dev *dev; - sector_t offset; -@@ -186,7 +186,7 @@ static struct mirror *get_valid_mirror(struct mirror_set *ms) - struct mirror *m; - - for (m = ms->mirror; m < ms->mirror + ms->nr_mirrors; m++) -- if (!atomic_read(&m->error_count)) -+ if (!atomic_read_unchecked(&m->error_count)) - return m; - - return NULL; -@@ -218,7 +218,7 @@ static void fail_mirror(struct mirror *m, enum dm_raid1_error error_type) - * simple way to tell if a device has encountered - * errors. - */ -- atomic_inc(&m->error_count); -+ atomic_inc_unchecked(&m->error_count); - - if (test_and_set_bit(error_type, &m->error_type)) - return; -@@ -409,7 +409,7 @@ static struct mirror *choose_mirror(struct mirror_set *ms, sector_t sector) - struct mirror *m = get_default_mirror(ms); - - do { -- if (likely(!atomic_read(&m->error_count))) -+ if (likely(!atomic_read_unchecked(&m->error_count))) - return m; - - if (m-- == ms->mirror) -@@ -423,7 +423,7 @@ static int default_ok(struct mirror *m) - { - struct mirror *default_mirror = get_default_mirror(m->ms); - -- return !atomic_read(&default_mirror->error_count); -+ return !atomic_read_unchecked(&default_mirror->error_count); - } - - static int mirror_available(struct mirror_set *ms, struct bio *bio) -@@ -560,7 +560,7 @@ static void do_reads(struct mirror_set *ms, struct bio_list *reads) - */ - if (likely(region_in_sync(ms, region, 1))) - m = choose_mirror(ms, bio->bi_iter.bi_sector); -- else if (m && atomic_read(&m->error_count)) -+ else if (m && atomic_read_unchecked(&m->error_count)) - m = NULL; - - if (likely(m)) -@@ -936,7 +936,7 @@ static int get_mirror(struct mirror_set *ms, struct dm_target *ti, - } - - ms->mirror[mirror].ms = ms; -- atomic_set(&(ms->mirror[mirror].error_count), 0); -+ atomic_set_unchecked(&(ms->mirror[mirror].error_count), 0); - ms->mirror[mirror].error_type = 0; - ms->mirror[mirror].offset = offset; - -@@ -1351,7 +1351,7 @@ static void mirror_resume(struct dm_target *ti) - */ - static char device_status_char(struct mirror *m) - { -- if (!atomic_read(&(m->error_count))) -+ if (!atomic_read_unchecked(&(m->error_count))) - return 'A'; - - return (test_bit(DM_RAID1_FLUSH_ERROR, &(m->error_type))) ? 'F' : -diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c -index 419bdd4..e5eb76d 100644 ---- a/drivers/md/dm-stats.c -+++ b/drivers/md/dm-stats.c -@@ -382,7 +382,7 @@ do_sync_free: - synchronize_rcu_expedited(); - dm_stat_free(&s->rcu_head); - } else { -- ACCESS_ONCE(dm_stat_need_rcu_barrier) = 1; -+ ACCESS_ONCE_RW(dm_stat_need_rcu_barrier) = 1; - call_rcu(&s->rcu_head, dm_stat_free); - } - return 0; -@@ -554,8 +554,8 @@ void dm_stats_account_io(struct dm_stats *stats, unsigned long bi_rw, - ((bi_rw & (REQ_WRITE | REQ_DISCARD)) == - (ACCESS_ONCE(last->last_rw) & (REQ_WRITE | REQ_DISCARD))) - )); -- ACCESS_ONCE(last->last_sector) = end_sector; -- ACCESS_ONCE(last->last_rw) = bi_rw; -+ ACCESS_ONCE_RW(last->last_sector) = end_sector; -+ ACCESS_ONCE_RW(last->last_rw) = bi_rw; - } - - rcu_read_lock(); -diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c -index f8b37d4..5c5cafd 100644 ---- a/drivers/md/dm-stripe.c -+++ b/drivers/md/dm-stripe.c -@@ -21,7 +21,7 @@ struct stripe { - struct dm_dev *dev; - sector_t physical_start; - -- atomic_t error_count; -+ atomic_unchecked_t error_count; - }; - - struct stripe_c { -@@ -188,7 +188,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) - kfree(sc); - return r; - } -- atomic_set(&(sc->stripe[i].error_count), 0); -+ atomic_set_unchecked(&(sc->stripe[i].error_count), 0); - } - - ti->private = sc; -@@ -332,7 +332,7 @@ static void stripe_status(struct dm_target *ti, status_type_t type, - DMEMIT("%d ", sc->stripes); - for (i = 0; i < sc->stripes; i++) { - DMEMIT("%s ", sc->stripe[i].dev->name); -- buffer[i] = atomic_read(&(sc->stripe[i].error_count)) ? -+ buffer[i] = atomic_read_unchecked(&(sc->stripe[i].error_count)) ? - 'D' : 'A'; - } - buffer[i] = '\0'; -@@ -377,8 +377,8 @@ static int stripe_end_io(struct dm_target *ti, struct bio *bio, int error) - */ - for (i = 0; i < sc->stripes; i++) - if (!strcmp(sc->stripe[i].dev->name, major_minor)) { -- atomic_inc(&(sc->stripe[i].error_count)); -- if (atomic_read(&(sc->stripe[i].error_count)) < -+ atomic_inc_unchecked(&(sc->stripe[i].error_count)); -+ if (atomic_read_unchecked(&(sc->stripe[i].error_count)) < - DM_IO_ERROR_THRESHOLD) - schedule_work(&sc->trigger_event); - } -diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c -index 16ba55a..31af906 100644 ---- a/drivers/md/dm-table.c -+++ b/drivers/md/dm-table.c -@@ -305,7 +305,7 @@ static int device_area_is_invalid(struct dm_target *ti, struct dm_dev *dev, - if (!dev_size) - return 0; - -- if ((start >= dev_size) || (start + len > dev_size)) { -+ if ((start >= dev_size) || (len > dev_size - start)) { - DMWARN("%s: %s too small for target: " - "start=%llu, len=%llu, dev_size=%llu", - dm_device_name(ti->table->md), bdevname(bdev, b), -diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c -index cde1d67..4c88a5ce 100644 ---- a/drivers/md/dm-thin-metadata.c -+++ b/drivers/md/dm-thin-metadata.c -@@ -404,7 +404,7 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd) - { - pmd->info.tm = pmd->tm; - pmd->info.levels = 2; -- pmd->info.value_type.context = pmd->data_sm; -+ pmd->info.value_type.context = (dm_space_map_no_const *)pmd->data_sm; - pmd->info.value_type.size = sizeof(__le64); - pmd->info.value_type.inc = data_block_inc; - pmd->info.value_type.dec = data_block_dec; -@@ -423,7 +423,7 @@ static void __setup_btree_details(struct dm_pool_metadata *pmd) - - pmd->bl_info.tm = pmd->tm; - pmd->bl_info.levels = 1; -- pmd->bl_info.value_type.context = pmd->data_sm; -+ pmd->bl_info.value_type.context = (dm_space_map_no_const *)pmd->data_sm; - pmd->bl_info.value_type.size = sizeof(__le64); - pmd->bl_info.value_type.inc = data_block_inc; - pmd->bl_info.value_type.dec = data_block_dec; -diff --git a/drivers/md/dm.c b/drivers/md/dm.c -index 697f34f..8301900 100644 ---- a/drivers/md/dm.c -+++ b/drivers/md/dm.c -@@ -191,9 +191,9 @@ struct mapped_device { - /* - * Event handling. - */ -- atomic_t event_nr; -+ atomic_unchecked_t event_nr; - wait_queue_head_t eventq; -- atomic_t uevent_seq; -+ atomic_unchecked_t uevent_seq; - struct list_head uevent_list; - spinlock_t uevent_lock; /* Protect access to uevent_list */ - -@@ -2287,8 +2287,8 @@ static struct mapped_device *alloc_dev(int minor) - spin_lock_init(&md->deferred_lock); - atomic_set(&md->holders, 1); - atomic_set(&md->open_count, 0); -- atomic_set(&md->event_nr, 0); -- atomic_set(&md->uevent_seq, 0); -+ atomic_set_unchecked(&md->event_nr, 0); -+ atomic_set_unchecked(&md->uevent_seq, 0); - INIT_LIST_HEAD(&md->uevent_list); - INIT_LIST_HEAD(&md->table_devices); - spin_lock_init(&md->uevent_lock); -@@ -2455,7 +2455,7 @@ static void event_callback(void *context) - - dm_send_uevents(&uevents, &disk_to_dev(md->disk)->kobj); - -- atomic_inc(&md->event_nr); -+ atomic_inc_unchecked(&md->event_nr); - wake_up(&md->eventq); - } - -@@ -3454,18 +3454,18 @@ int dm_kobject_uevent(struct mapped_device *md, enum kobject_action action, - - uint32_t dm_next_uevent_seq(struct mapped_device *md) - { -- return atomic_add_return(1, &md->uevent_seq); -+ return atomic_add_return_unchecked(1, &md->uevent_seq); - } - - uint32_t dm_get_event_nr(struct mapped_device *md) - { -- return atomic_read(&md->event_nr); -+ return atomic_read_unchecked(&md->event_nr); - } - - int dm_wait_event(struct mapped_device *md, int event_nr) - { - return wait_event_interruptible(md->eventq, -- (event_nr != atomic_read(&md->event_nr))); -+ (event_nr != atomic_read_unchecked(&md->event_nr))); - } - - void dm_uevent_add(struct mapped_device *md, struct list_head *elist) -diff --git a/drivers/md/md.c b/drivers/md/md.c -index e462151..8ac9655 100644 ---- a/drivers/md/md.c -+++ b/drivers/md/md.c -@@ -197,10 +197,10 @@ EXPORT_SYMBOL_GPL(bio_clone_mddev); - * start build, activate spare - */ - static DECLARE_WAIT_QUEUE_HEAD(md_event_waiters); --static atomic_t md_event_count; -+static atomic_unchecked_t md_event_count; - void md_new_event(struct mddev *mddev) - { -- atomic_inc(&md_event_count); -+ atomic_inc_unchecked(&md_event_count); - wake_up(&md_event_waiters); - } - EXPORT_SYMBOL_GPL(md_new_event); -@@ -210,7 +210,7 @@ EXPORT_SYMBOL_GPL(md_new_event); - */ - static void md_new_event_inintr(struct mddev *mddev) - { -- atomic_inc(&md_event_count); -+ atomic_inc_unchecked(&md_event_count); - wake_up(&md_event_waiters); - } - -@@ -1449,7 +1449,7 @@ static int super_1_load(struct md_rdev *rdev, struct md_rdev *refdev, int minor_ - if ((le32_to_cpu(sb->feature_map) & MD_FEATURE_RESHAPE_ACTIVE) && - (le32_to_cpu(sb->feature_map) & MD_FEATURE_NEW_OFFSET)) - rdev->new_data_offset += (s32)le32_to_cpu(sb->new_offset); -- atomic_set(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read)); -+ atomic_set_unchecked(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read)); - - rdev->sb_size = le32_to_cpu(sb->max_dev) * 2 + 256; - bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1; -@@ -1700,7 +1700,7 @@ static void super_1_sync(struct mddev *mddev, struct md_rdev *rdev) - else - sb->resync_offset = cpu_to_le64(0); - -- sb->cnt_corrected_read = cpu_to_le32(atomic_read(&rdev->corrected_errors)); -+ sb->cnt_corrected_read = cpu_to_le32(atomic_read_unchecked(&rdev->corrected_errors)); - - sb->raid_disks = cpu_to_le32(mddev->raid_disks); - sb->size = cpu_to_le64(mddev->dev_sectors); -@@ -2624,7 +2624,7 @@ __ATTR_PREALLOC(state, S_IRUGO|S_IWUSR, state_show, state_store); - static ssize_t - errors_show(struct md_rdev *rdev, char *page) - { -- return sprintf(page, "%d\n", atomic_read(&rdev->corrected_errors)); -+ return sprintf(page, "%d\n", atomic_read_unchecked(&rdev->corrected_errors)); - } - - static ssize_t -@@ -2633,7 +2633,7 @@ errors_store(struct md_rdev *rdev, const char *buf, size_t len) - char *e; - unsigned long n = simple_strtoul(buf, &e, 10); - if (*buf && (*e == 0 || *e == '\n')) { -- atomic_set(&rdev->corrected_errors, n); -+ atomic_set_unchecked(&rdev->corrected_errors, n); - return len; - } - return -EINVAL; -@@ -3069,8 +3069,8 @@ int md_rdev_init(struct md_rdev *rdev) - rdev->sb_loaded = 0; - rdev->bb_page = NULL; - atomic_set(&rdev->nr_pending, 0); -- atomic_set(&rdev->read_errors, 0); -- atomic_set(&rdev->corrected_errors, 0); -+ atomic_set_unchecked(&rdev->read_errors, 0); -+ atomic_set_unchecked(&rdev->corrected_errors, 0); - - INIT_LIST_HEAD(&rdev->same_set); - init_waitqueue_head(&rdev->blocked_wait); -@@ -5746,16 +5746,16 @@ static int get_bitmap_file(struct mddev *mddev, void __user * arg) - - err = 0; - spin_lock(&mddev->lock); -- /* bitmap disabled, zero the first byte and copy out */ -- if (!mddev->bitmap_info.file) -- file->pathname[0] = '\0'; -- else if ((ptr = d_path(&mddev->bitmap_info.file->f_path, -- file->pathname, sizeof(file->pathname))), -- IS_ERR(ptr)) -- err = PTR_ERR(ptr); -- else -- memmove(file->pathname, ptr, -- sizeof(file->pathname)-(ptr-file->pathname)); -+ /* bitmap enabled */ -+ if (mddev->bitmap_info.file) { -+ ptr = d_path(&mddev->bitmap_info.file->f_path, -+ file->pathname, sizeof(file->pathname)); -+ if (IS_ERR(ptr)) -+ err = PTR_ERR(ptr); -+ else -+ memmove(file->pathname, ptr, -+ sizeof(file->pathname)-(ptr-file->pathname)); -+ } - spin_unlock(&mddev->lock); - - if (err == 0 && -@@ -7237,7 +7237,7 @@ static int md_seq_show(struct seq_file *seq, void *v) - - spin_unlock(&pers_lock); - seq_printf(seq, "\n"); -- seq->poll_event = atomic_read(&md_event_count); -+ seq->poll_event = atomic_read_unchecked(&md_event_count); - return 0; - } - if (v == (void*)2) { -@@ -7340,7 +7340,7 @@ static int md_seq_open(struct inode *inode, struct file *file) - return error; - - seq = file->private_data; -- seq->poll_event = atomic_read(&md_event_count); -+ seq->poll_event = atomic_read_unchecked(&md_event_count); - return error; - } - -@@ -7357,7 +7357,7 @@ static unsigned int mdstat_poll(struct file *filp, poll_table *wait) - /* always allow read */ - mask = POLLIN | POLLRDNORM; - -- if (seq->poll_event != atomic_read(&md_event_count)) -+ if (seq->poll_event != atomic_read_unchecked(&md_event_count)) - mask |= POLLERR | POLLPRI; - return mask; - } -@@ -7453,7 +7453,7 @@ static int is_mddev_idle(struct mddev *mddev, int init) - struct gendisk *disk = rdev->bdev->bd_contains->bd_disk; - curr_events = (int)part_stat_read(&disk->part0, sectors[0]) + - (int)part_stat_read(&disk->part0, sectors[1]) - -- atomic_read(&disk->sync_io); -+ atomic_read_unchecked(&disk->sync_io); - /* sync IO will cause sync_io to increase before the disk_stats - * as sync_io is counted when a request starts, and - * disk_stats is counted when it completes. -diff --git a/drivers/md/md.h b/drivers/md/md.h -index 4046a6c..e2f2997 100644 ---- a/drivers/md/md.h -+++ b/drivers/md/md.h -@@ -95,13 +95,13 @@ struct md_rdev { - * only maintained for arrays that - * support hot removal - */ -- atomic_t read_errors; /* number of consecutive read errors that -+ atomic_unchecked_t read_errors; /* number of consecutive read errors that - * we have tried to ignore. - */ - struct timespec last_read_error; /* monotonic time since our - * last read error - */ -- atomic_t corrected_errors; /* number of corrected read errors, -+ atomic_unchecked_t corrected_errors; /* number of corrected read errors, - * for reporting to userspace and storing - * in superblock. - */ -@@ -486,7 +486,7 @@ extern void mddev_unlock(struct mddev *mddev); - - static inline void md_sync_acct(struct block_device *bdev, unsigned long nr_sectors) - { -- atomic_add(nr_sectors, &bdev->bd_contains->bd_disk->sync_io); -+ atomic_add_unchecked(nr_sectors, &bdev->bd_contains->bd_disk->sync_io); - } - - struct md_personality -diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c -index 5309129..7fb096e 100644 ---- a/drivers/md/persistent-data/dm-space-map-metadata.c -+++ b/drivers/md/persistent-data/dm-space-map-metadata.c -@@ -691,7 +691,7 @@ static int sm_metadata_extend(struct dm_space_map *sm, dm_block_t extra_blocks) - * Flick into a mode where all blocks get allocated in the new area. - */ - smm->begin = old_len; -- memcpy(sm, &bootstrap_ops, sizeof(*sm)); -+ memcpy((void *)sm, &bootstrap_ops, sizeof(*sm)); - - /* - * Extend. -@@ -728,7 +728,7 @@ out: - /* - * Switch back to normal behaviour. - */ -- memcpy(sm, &ops, sizeof(*sm)); -+ memcpy((void *)sm, &ops, sizeof(*sm)); - return r; - } - -diff --git a/drivers/md/persistent-data/dm-space-map.h b/drivers/md/persistent-data/dm-space-map.h -index 3e6d115..ffecdeb 100644 ---- a/drivers/md/persistent-data/dm-space-map.h -+++ b/drivers/md/persistent-data/dm-space-map.h -@@ -71,6 +71,7 @@ struct dm_space_map { - dm_sm_threshold_fn fn, - void *context); - }; -+typedef struct dm_space_map __no_const dm_space_map_no_const; - - /*----------------------------------------------------------------*/ - -diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c -index 5ce3cd5c..f147017 100644 ---- a/drivers/md/raid1.c -+++ b/drivers/md/raid1.c -@@ -1936,7 +1936,7 @@ static int fix_sync_read_error(struct r1bio *r1_bio) - if (r1_sync_page_io(rdev, sect, s, - bio->bi_io_vec[idx].bv_page, - READ) != 0) -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - } - sectors -= s; - sect += s; -@@ -2169,7 +2169,7 @@ static void fix_read_error(struct r1conf *conf, int read_disk, - !test_bit(Faulty, &rdev->flags)) { - if (r1_sync_page_io(rdev, sect, s, - conf->tmppage, READ)) { -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - printk(KERN_INFO - "md/raid1:%s: read error corrected " - "(%d sectors at %llu on %s)\n", -diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c -index f55c3f3..4cca8c8 100644 ---- a/drivers/md/raid10.c -+++ b/drivers/md/raid10.c -@@ -1934,7 +1934,7 @@ static void end_sync_read(struct bio *bio, int error) - /* The write handler will notice the lack of - * R10BIO_Uptodate and record any errors etc - */ -- atomic_add(r10_bio->sectors, -+ atomic_add_unchecked(r10_bio->sectors, - &conf->mirrors[d].rdev->corrected_errors); - - /* for reconstruct, we always reschedule after a read. -@@ -2291,7 +2291,7 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev) - { - struct timespec cur_time_mon; - unsigned long hours_since_last; -- unsigned int read_errors = atomic_read(&rdev->read_errors); -+ unsigned int read_errors = atomic_read_unchecked(&rdev->read_errors); - - ktime_get_ts(&cur_time_mon); - -@@ -2313,9 +2313,9 @@ static void check_decay_read_errors(struct mddev *mddev, struct md_rdev *rdev) - * overflowing the shift of read_errors by hours_since_last. - */ - if (hours_since_last >= 8 * sizeof(read_errors)) -- atomic_set(&rdev->read_errors, 0); -+ atomic_set_unchecked(&rdev->read_errors, 0); - else -- atomic_set(&rdev->read_errors, read_errors >> hours_since_last); -+ atomic_set_unchecked(&rdev->read_errors, read_errors >> hours_since_last); - } - - static int r10_sync_page_io(struct md_rdev *rdev, sector_t sector, -@@ -2369,8 +2369,8 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10 - return; - - check_decay_read_errors(mddev, rdev); -- atomic_inc(&rdev->read_errors); -- if (atomic_read(&rdev->read_errors) > max_read_errors) { -+ atomic_inc_unchecked(&rdev->read_errors); -+ if (atomic_read_unchecked(&rdev->read_errors) > max_read_errors) { - char b[BDEVNAME_SIZE]; - bdevname(rdev->bdev, b); - -@@ -2378,7 +2378,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10 - "md/raid10:%s: %s: Raid device exceeded " - "read_error threshold [cur %d:max %d]\n", - mdname(mddev), b, -- atomic_read(&rdev->read_errors), max_read_errors); -+ atomic_read_unchecked(&rdev->read_errors), max_read_errors); - printk(KERN_NOTICE - "md/raid10:%s: %s: Failing raid device\n", - mdname(mddev), b); -@@ -2533,7 +2533,7 @@ static void fix_read_error(struct r10conf *conf, struct mddev *mddev, struct r10 - sect + - choose_data_offset(r10_bio, rdev)), - bdevname(rdev->bdev, b)); -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - } - - rdev_dec_pending(rdev, mddev); -diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c -index b6793d2..92be2bc 100644 ---- a/drivers/md/raid5.c -+++ b/drivers/md/raid5.c -@@ -1108,23 +1108,23 @@ async_copy_data(int frombio, struct bio *bio, struct page **page, - struct bio_vec bvl; - struct bvec_iter iter; - struct page *bio_page; -- int page_offset; -+ s64 page_offset; - struct async_submit_ctl submit; - enum async_tx_flags flags = 0; - - if (bio->bi_iter.bi_sector >= sector) -- page_offset = (signed)(bio->bi_iter.bi_sector - sector) * 512; -+ page_offset = (s64)(bio->bi_iter.bi_sector - sector) * 512; - else -- page_offset = (signed)(sector - bio->bi_iter.bi_sector) * -512; -+ page_offset = (s64)(sector - bio->bi_iter.bi_sector) * -512; - - if (frombio) - flags |= ASYNC_TX_FENCE; - init_async_submit(&submit, flags, tx, NULL, NULL, NULL); - - bio_for_each_segment(bvl, bio, iter) { -- int len = bvl.bv_len; -- int clen; -- int b_offset = 0; -+ s64 len = bvl.bv_len; -+ s64 clen; -+ s64 b_offset = 0; - - if (page_offset < 0) { - b_offset = -page_offset; -@@ -2017,6 +2017,10 @@ static int grow_one_stripe(struct r5conf *conf, gfp_t gfp) - return 1; - } - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+static atomic_unchecked_t raid5_cache_id = ATOMIC_INIT(0); -+#endif -+ - static int grow_stripes(struct r5conf *conf, int num) - { - struct kmem_cache *sc; -@@ -2027,7 +2031,11 @@ static int grow_stripes(struct r5conf *conf, int num) - "raid%d-%s", conf->level, mdname(conf->mddev)); - else - sprintf(conf->cache_name[0], -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ "raid%d-%08lx", conf->level, atomic_inc_return_unchecked(&raid5_cache_id)); -+#else - "raid%d-%p", conf->level, conf->mddev); -+#endif - sprintf(conf->cache_name[1], "%s-alt", conf->cache_name[0]); - - conf->active_name = 0; -@@ -2315,21 +2323,21 @@ static void raid5_end_read_request(struct bio * bi, int error) - mdname(conf->mddev), STRIPE_SECTORS, - (unsigned long long)s, - bdevname(rdev->bdev, b)); -- atomic_add(STRIPE_SECTORS, &rdev->corrected_errors); -+ atomic_add_unchecked(STRIPE_SECTORS, &rdev->corrected_errors); - clear_bit(R5_ReadError, &sh->dev[i].flags); - clear_bit(R5_ReWrite, &sh->dev[i].flags); - } else if (test_bit(R5_ReadNoMerge, &sh->dev[i].flags)) - clear_bit(R5_ReadNoMerge, &sh->dev[i].flags); - -- if (atomic_read(&rdev->read_errors)) -- atomic_set(&rdev->read_errors, 0); -+ if (atomic_read_unchecked(&rdev->read_errors)) -+ atomic_set_unchecked(&rdev->read_errors, 0); - } else { - const char *bdn = bdevname(rdev->bdev, b); - int retry = 0; - int set_bad = 0; - - clear_bit(R5_UPTODATE, &sh->dev[i].flags); -- atomic_inc(&rdev->read_errors); -+ atomic_inc_unchecked(&rdev->read_errors); - if (test_bit(R5_ReadRepl, &sh->dev[i].flags)) - printk_ratelimited( - KERN_WARNING -@@ -2357,7 +2365,7 @@ static void raid5_end_read_request(struct bio * bi, int error) - mdname(conf->mddev), - (unsigned long long)s, - bdn); -- } else if (atomic_read(&rdev->read_errors) -+ } else if (atomic_read_unchecked(&rdev->read_errors) - > conf->max_nr_stripes) - printk(KERN_WARNING - "md/raid:%s: Too many read errors, failing device %s.\n", -diff --git a/drivers/media/dvb-core/dvbdev.c b/drivers/media/dvb-core/dvbdev.c -index 13bb57f..0ca21b2 100644 ---- a/drivers/media/dvb-core/dvbdev.c -+++ b/drivers/media/dvb-core/dvbdev.c -@@ -272,7 +272,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev, - const struct dvb_device *template, void *priv, int type) - { - struct dvb_device *dvbdev; -- struct file_operations *dvbdevfops; -+ file_operations_no_const *dvbdevfops; - struct device *clsdev; - int minor; - int id; -diff --git a/drivers/media/dvb-frontends/af9033.h b/drivers/media/dvb-frontends/af9033.h -index 6ad22b6..6e90e2a 100644 ---- a/drivers/media/dvb-frontends/af9033.h -+++ b/drivers/media/dvb-frontends/af9033.h -@@ -96,6 +96,6 @@ struct af9033_ops { - int (*pid_filter_ctrl)(struct dvb_frontend *fe, int onoff); - int (*pid_filter)(struct dvb_frontend *fe, int index, u16 pid, - int onoff); --}; -+} __no_const; - - #endif /* AF9033_H */ -diff --git a/drivers/media/dvb-frontends/dib3000.h b/drivers/media/dvb-frontends/dib3000.h -index 6ae9899..07d8543 100644 ---- a/drivers/media/dvb-frontends/dib3000.h -+++ b/drivers/media/dvb-frontends/dib3000.h -@@ -39,7 +39,7 @@ struct dib_fe_xfer_ops - int (*fifo_ctrl)(struct dvb_frontend *fe, int onoff); - int (*pid_ctrl)(struct dvb_frontend *fe, int index, int pid, int onoff); - int (*tuner_pass_ctrl)(struct dvb_frontend *fe, int onoff, u8 pll_ctrl); --}; -+} __no_const; - - #if IS_REACHABLE(CONFIG_DVB_DIB3000MB) - extern struct dvb_frontend* dib3000mb_attach(const struct dib3000_config* config, -diff --git a/drivers/media/dvb-frontends/dib7000p.h b/drivers/media/dvb-frontends/dib7000p.h -index baa2789..c8de7fe 100644 ---- a/drivers/media/dvb-frontends/dib7000p.h -+++ b/drivers/media/dvb-frontends/dib7000p.h -@@ -64,7 +64,7 @@ struct dib7000p_ops { - int (*get_adc_power)(struct dvb_frontend *fe); - int (*slave_reset)(struct dvb_frontend *fe); - struct dvb_frontend *(*init)(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg); --}; -+} __no_const; - - #if IS_REACHABLE(CONFIG_DVB_DIB7000P) - void *dib7000p_attach(struct dib7000p_ops *ops); -diff --git a/drivers/media/dvb-frontends/dib8000.h b/drivers/media/dvb-frontends/dib8000.h -index 780c37b..50e2620 100644 ---- a/drivers/media/dvb-frontends/dib8000.h -+++ b/drivers/media/dvb-frontends/dib8000.h -@@ -61,7 +61,7 @@ struct dib8000_ops { - int (*pid_filter_ctrl)(struct dvb_frontend *fe, u8 onoff); - int (*pid_filter)(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff); - struct dvb_frontend *(*init)(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib8000_config *cfg); --}; -+} __no_const; - - #if IS_REACHABLE(CONFIG_DVB_DIB8000) - void *dib8000_attach(struct dib8000_ops *ops); -diff --git a/drivers/media/pci/cx88/cx88-video.c b/drivers/media/pci/cx88/cx88-video.c -index c9decd8..7849cec 100644 ---- a/drivers/media/pci/cx88/cx88-video.c -+++ b/drivers/media/pci/cx88/cx88-video.c -@@ -50,9 +50,9 @@ MODULE_VERSION(CX88_VERSION); - - /* ------------------------------------------------------------------ */ - --static unsigned int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; --static unsigned int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; --static unsigned int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; -+static int video_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; -+static int vbi_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; -+static int radio_nr[] = {[0 ... (CX88_MAXBOARDS - 1)] = UNSET }; - - module_param_array(video_nr, int, NULL, 0444); - module_param_array(vbi_nr, int, NULL, 0444); -diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c -index c2e60b4..5eeccc0 100644 ---- a/drivers/media/pci/ivtv/ivtv-driver.c -+++ b/drivers/media/pci/ivtv/ivtv-driver.c -@@ -83,7 +83,7 @@ static struct pci_device_id ivtv_pci_tbl[] = { - MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl); - - /* ivtv instance counter */ --static atomic_t ivtv_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t ivtv_instance = ATOMIC_INIT(0); - - /* Parameter declarations */ - static int cardtype[IVTV_MAX_CARDS]; -diff --git a/drivers/media/pci/solo6x10/solo6x10-core.c b/drivers/media/pci/solo6x10/solo6x10-core.c -index 570d119..ed25830 100644 ---- a/drivers/media/pci/solo6x10/solo6x10-core.c -+++ b/drivers/media/pci/solo6x10/solo6x10-core.c -@@ -424,7 +424,7 @@ static void solo_device_release(struct device *dev) - - static int solo_sysfs_init(struct solo_dev *solo_dev) - { -- struct bin_attribute *sdram_attr = &solo_dev->sdram_attr; -+ bin_attribute_no_const *sdram_attr = &solo_dev->sdram_attr; - struct device *dev = &solo_dev->dev; - const char *driver; - int i; -diff --git a/drivers/media/pci/solo6x10/solo6x10-g723.c b/drivers/media/pci/solo6x10/solo6x10-g723.c -index 7ddc767..1c24361 100644 ---- a/drivers/media/pci/solo6x10/solo6x10-g723.c -+++ b/drivers/media/pci/solo6x10/solo6x10-g723.c -@@ -351,7 +351,7 @@ static int solo_snd_pcm_init(struct solo_dev *solo_dev) - - int solo_g723_init(struct solo_dev *solo_dev) - { -- static struct snd_device_ops ops = { NULL }; -+ static struct snd_device_ops ops = { }; - struct snd_card *card; - struct snd_kcontrol_new kctl; - char name[32]; -diff --git a/drivers/media/pci/solo6x10/solo6x10-p2m.c b/drivers/media/pci/solo6x10/solo6x10-p2m.c -index 8c84846..27b4f83 100644 ---- a/drivers/media/pci/solo6x10/solo6x10-p2m.c -+++ b/drivers/media/pci/solo6x10/solo6x10-p2m.c -@@ -73,7 +73,7 @@ int solo_p2m_dma_desc(struct solo_dev *solo_dev, - - /* Get next ID. According to Softlogic, 6110 has problems on !=0 P2M */ - if (solo_dev->type != SOLO_DEV_6110 && multi_p2m) { -- p2m_id = atomic_inc_return(&solo_dev->p2m_count) % SOLO_NR_P2M; -+ p2m_id = atomic_inc_return_unchecked(&solo_dev->p2m_count) % SOLO_NR_P2M; - if (p2m_id < 0) - p2m_id = -p2m_id; - } -diff --git a/drivers/media/pci/solo6x10/solo6x10.h b/drivers/media/pci/solo6x10/solo6x10.h -index 1ca54b0..7d7cb9a 100644 ---- a/drivers/media/pci/solo6x10/solo6x10.h -+++ b/drivers/media/pci/solo6x10/solo6x10.h -@@ -218,7 +218,7 @@ struct solo_dev { - - /* P2M DMA Engine */ - struct solo_p2m_dev p2m_dev[SOLO_NR_P2M]; -- atomic_t p2m_count; -+ atomic_unchecked_t p2m_count; - int p2m_jiffies; - unsigned int p2m_timeouts; - -diff --git a/drivers/media/pci/tw68/tw68-core.c b/drivers/media/pci/tw68/tw68-core.c -index c135165..dc69499 100644 ---- a/drivers/media/pci/tw68/tw68-core.c -+++ b/drivers/media/pci/tw68/tw68-core.c -@@ -60,7 +60,7 @@ static unsigned int card[] = {[0 ... (TW68_MAXBOARDS - 1)] = UNSET }; - module_param_array(card, int, NULL, 0444); - MODULE_PARM_DESC(card, "card type"); - --static atomic_t tw68_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t tw68_instance = ATOMIC_INIT(0); - - /* ------------------------------------------------------------------ */ - -diff --git a/drivers/media/platform/omap/omap_vout.c b/drivers/media/platform/omap/omap_vout.c -index 17b189a..b78aa6b 100644 ---- a/drivers/media/platform/omap/omap_vout.c -+++ b/drivers/media/platform/omap/omap_vout.c -@@ -63,7 +63,6 @@ enum omap_vout_channels { - OMAP_VIDEO2, - }; - --static struct videobuf_queue_ops video_vbq_ops; - /* Variables configurable through module params*/ - static u32 video1_numbuffers = 3; - static u32 video2_numbuffers = 3; -@@ -1012,6 +1011,12 @@ static int omap_vout_open(struct file *file) - { - struct videobuf_queue *q; - struct omap_vout_device *vout = NULL; -+ static struct videobuf_queue_ops video_vbq_ops = { -+ .buf_setup = omap_vout_buffer_setup, -+ .buf_prepare = omap_vout_buffer_prepare, -+ .buf_release = omap_vout_buffer_release, -+ .buf_queue = omap_vout_buffer_queue, -+ }; - - vout = video_drvdata(file); - v4l2_dbg(1, debug, &vout->vid_dev->v4l2_dev, "Entering %s\n", __func__); -@@ -1029,10 +1034,6 @@ static int omap_vout_open(struct file *file) - vout->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; - - q = &vout->vbq; -- video_vbq_ops.buf_setup = omap_vout_buffer_setup; -- video_vbq_ops.buf_prepare = omap_vout_buffer_prepare; -- video_vbq_ops.buf_release = omap_vout_buffer_release; -- video_vbq_ops.buf_queue = omap_vout_buffer_queue; - spin_lock_init(&vout->vbq_lock); - - videobuf_queue_dma_contig_init(q, &video_vbq_ops, q->dev, -diff --git a/drivers/media/platform/s5p-tv/mixer.h b/drivers/media/platform/s5p-tv/mixer.h -index fb2acc5..a2fcbdc4 100644 ---- a/drivers/media/platform/s5p-tv/mixer.h -+++ b/drivers/media/platform/s5p-tv/mixer.h -@@ -156,7 +156,7 @@ struct mxr_layer { - /** layer index (unique identifier) */ - int idx; - /** callbacks for layer methods */ -- struct mxr_layer_ops ops; -+ struct mxr_layer_ops *ops; - /** format array */ - const struct mxr_format **fmt_array; - /** size of format array */ -diff --git a/drivers/media/platform/s5p-tv/mixer_grp_layer.c b/drivers/media/platform/s5p-tv/mixer_grp_layer.c -index 74344c7..a39e70e 100644 ---- a/drivers/media/platform/s5p-tv/mixer_grp_layer.c -+++ b/drivers/media/platform/s5p-tv/mixer_grp_layer.c -@@ -235,7 +235,7 @@ struct mxr_layer *mxr_graph_layer_create(struct mxr_device *mdev, int idx) - { - struct mxr_layer *layer; - int ret; -- struct mxr_layer_ops ops = { -+ static struct mxr_layer_ops ops = { - .release = mxr_graph_layer_release, - .buffer_set = mxr_graph_buffer_set, - .stream_set = mxr_graph_stream_set, -diff --git a/drivers/media/platform/s5p-tv/mixer_reg.c b/drivers/media/platform/s5p-tv/mixer_reg.c -index b713403..53cb5ad 100644 ---- a/drivers/media/platform/s5p-tv/mixer_reg.c -+++ b/drivers/media/platform/s5p-tv/mixer_reg.c -@@ -276,7 +276,7 @@ static void mxr_irq_layer_handle(struct mxr_layer *layer) - layer->update_buf = next; - } - -- layer->ops.buffer_set(layer, layer->update_buf); -+ layer->ops->buffer_set(layer, layer->update_buf); - - if (done && done != layer->shadow_buf) - vb2_buffer_done(&done->vb, VB2_BUF_STATE_DONE); -diff --git a/drivers/media/platform/s5p-tv/mixer_video.c b/drivers/media/platform/s5p-tv/mixer_video.c -index 751f3b6..d829203 100644 ---- a/drivers/media/platform/s5p-tv/mixer_video.c -+++ b/drivers/media/platform/s5p-tv/mixer_video.c -@@ -210,7 +210,7 @@ static void mxr_layer_default_geo(struct mxr_layer *layer) - layer->geo.src.height = layer->geo.src.full_height; - - mxr_geometry_dump(mdev, &layer->geo); -- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0); -+ layer->ops->fix_geometry(layer, MXR_GEOMETRY_SINK, 0); - mxr_geometry_dump(mdev, &layer->geo); - } - -@@ -228,7 +228,7 @@ static void mxr_layer_update_output(struct mxr_layer *layer) - layer->geo.dst.full_width = mbus_fmt.width; - layer->geo.dst.full_height = mbus_fmt.height; - layer->geo.dst.field = mbus_fmt.field; -- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SINK, 0); -+ layer->ops->fix_geometry(layer, MXR_GEOMETRY_SINK, 0); - - mxr_geometry_dump(mdev, &layer->geo); - } -@@ -334,7 +334,7 @@ static int mxr_s_fmt(struct file *file, void *priv, - /* set source size to highest accepted value */ - geo->src.full_width = max(geo->dst.full_width, pix->width); - geo->src.full_height = max(geo->dst.full_height, pix->height); -- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0); -+ layer->ops->fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0); - mxr_geometry_dump(mdev, &layer->geo); - /* set cropping to total visible screen */ - geo->src.width = pix->width; -@@ -342,12 +342,12 @@ static int mxr_s_fmt(struct file *file, void *priv, - geo->src.x_offset = 0; - geo->src.y_offset = 0; - /* assure consistency of geometry */ -- layer->ops.fix_geometry(layer, MXR_GEOMETRY_CROP, MXR_NO_OFFSET); -+ layer->ops->fix_geometry(layer, MXR_GEOMETRY_CROP, MXR_NO_OFFSET); - mxr_geometry_dump(mdev, &layer->geo); - /* set full size to lowest possible value */ - geo->src.full_width = 0; - geo->src.full_height = 0; -- layer->ops.fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0); -+ layer->ops->fix_geometry(layer, MXR_GEOMETRY_SOURCE, 0); - mxr_geometry_dump(mdev, &layer->geo); - - /* returning results */ -@@ -474,7 +474,7 @@ static int mxr_s_selection(struct file *file, void *fh, - target->width = s->r.width; - target->height = s->r.height; - -- layer->ops.fix_geometry(layer, stage, s->flags); -+ layer->ops->fix_geometry(layer, stage, s->flags); - - /* retrieve update selection rectangle */ - res.left = target->x_offset; -@@ -938,13 +938,13 @@ static int start_streaming(struct vb2_queue *vq, unsigned int count) - mxr_output_get(mdev); - - mxr_layer_update_output(layer); -- layer->ops.format_set(layer); -+ layer->ops->format_set(layer); - /* enabling layer in hardware */ - spin_lock_irqsave(&layer->enq_slock, flags); - layer->state = MXR_LAYER_STREAMING; - spin_unlock_irqrestore(&layer->enq_slock, flags); - -- layer->ops.stream_set(layer, MXR_ENABLE); -+ layer->ops->stream_set(layer, MXR_ENABLE); - mxr_streamer_get(mdev); - - return 0; -@@ -1014,7 +1014,7 @@ static void stop_streaming(struct vb2_queue *vq) - spin_unlock_irqrestore(&layer->enq_slock, flags); - - /* disabling layer in hardware */ -- layer->ops.stream_set(layer, MXR_DISABLE); -+ layer->ops->stream_set(layer, MXR_DISABLE); - /* remove one streamer */ - mxr_streamer_put(mdev); - /* allow changes in output configuration */ -@@ -1052,8 +1052,8 @@ void mxr_base_layer_unregister(struct mxr_layer *layer) - - void mxr_layer_release(struct mxr_layer *layer) - { -- if (layer->ops.release) -- layer->ops.release(layer); -+ if (layer->ops->release) -+ layer->ops->release(layer); - } - - void mxr_base_layer_release(struct mxr_layer *layer) -@@ -1079,7 +1079,7 @@ struct mxr_layer *mxr_base_layer_create(struct mxr_device *mdev, - - layer->mdev = mdev; - layer->idx = idx; -- layer->ops = *ops; -+ layer->ops = ops; - - spin_lock_init(&layer->enq_slock); - INIT_LIST_HEAD(&layer->enq_list); -diff --git a/drivers/media/platform/s5p-tv/mixer_vp_layer.c b/drivers/media/platform/s5p-tv/mixer_vp_layer.c -index c9388c4..ce71ece 100644 ---- a/drivers/media/platform/s5p-tv/mixer_vp_layer.c -+++ b/drivers/media/platform/s5p-tv/mixer_vp_layer.c -@@ -206,7 +206,7 @@ struct mxr_layer *mxr_vp_layer_create(struct mxr_device *mdev, int idx) - { - struct mxr_layer *layer; - int ret; -- struct mxr_layer_ops ops = { -+ static struct mxr_layer_ops ops = { - .release = mxr_vp_layer_release, - .buffer_set = mxr_vp_buffer_set, - .stream_set = mxr_vp_stream_set, -diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c -index 82affae..42833ec 100644 ---- a/drivers/media/radio/radio-cadet.c -+++ b/drivers/media/radio/radio-cadet.c -@@ -333,6 +333,8 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo - unsigned char readbuf[RDS_BUFFER]; - int i = 0; - -+ if (count > RDS_BUFFER) -+ return -EFAULT; - mutex_lock(&dev->lock); - if (dev->rdsstat == 0) - cadet_start_rds(dev); -@@ -349,8 +351,9 @@ static ssize_t cadet_read(struct file *file, char __user *data, size_t count, lo - readbuf[i++] = dev->rdsbuf[dev->rdsout++]; - mutex_unlock(&dev->lock); - -- if (i && copy_to_user(data, readbuf, i)) -- return -EFAULT; -+ if (i > sizeof(readbuf) || (i && copy_to_user(data, readbuf, i))) -+ i = -EFAULT; -+ - return i; - } - -diff --git a/drivers/media/radio/radio-maxiradio.c b/drivers/media/radio/radio-maxiradio.c -index 5236035..c622c74 100644 ---- a/drivers/media/radio/radio-maxiradio.c -+++ b/drivers/media/radio/radio-maxiradio.c -@@ -61,7 +61,7 @@ MODULE_PARM_DESC(radio_nr, "Radio device number"); - /* TEA5757 pin mappings */ - static const int clk = 1, data = 2, wren = 4, mo_st = 8, power = 16; - --static atomic_t maxiradio_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t maxiradio_instance = ATOMIC_INIT(0); - - #define PCI_VENDOR_ID_GUILLEMOT 0x5046 - #define PCI_DEVICE_ID_GUILLEMOT_MAXIRADIO 0x1001 -diff --git a/drivers/media/radio/radio-shark.c b/drivers/media/radio/radio-shark.c -index 050b3bb..79f62b9 100644 ---- a/drivers/media/radio/radio-shark.c -+++ b/drivers/media/radio/radio-shark.c -@@ -79,7 +79,7 @@ struct shark_device { - u32 last_val; - }; - --static atomic_t shark_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t shark_instance = ATOMIC_INIT(0); - - static void shark_write_val(struct snd_tea575x *tea, u32 val) - { -diff --git a/drivers/media/radio/radio-shark2.c b/drivers/media/radio/radio-shark2.c -index 8654e0d..0608a64 100644 ---- a/drivers/media/radio/radio-shark2.c -+++ b/drivers/media/radio/radio-shark2.c -@@ -74,7 +74,7 @@ struct shark_device { - u8 *transfer_buffer; - }; - --static atomic_t shark_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t shark_instance = ATOMIC_INIT(0); - - static int shark_write_reg(struct radio_tea5777 *tea, u64 reg) - { -diff --git a/drivers/media/radio/radio-si476x.c b/drivers/media/radio/radio-si476x.c -index dccf586..d5db411 100644 ---- a/drivers/media/radio/radio-si476x.c -+++ b/drivers/media/radio/radio-si476x.c -@@ -1445,7 +1445,7 @@ static int si476x_radio_probe(struct platform_device *pdev) - struct si476x_radio *radio; - struct v4l2_ctrl *ctrl; - -- static atomic_t instance = ATOMIC_INIT(0); -+ static atomic_unchecked_t instance = ATOMIC_INIT(0); - - radio = devm_kzalloc(&pdev->dev, sizeof(*radio), GFP_KERNEL); - if (!radio) -diff --git a/drivers/media/radio/wl128x/fmdrv_common.c b/drivers/media/radio/wl128x/fmdrv_common.c -index 704397f..4d05977 100644 ---- a/drivers/media/radio/wl128x/fmdrv_common.c -+++ b/drivers/media/radio/wl128x/fmdrv_common.c -@@ -71,7 +71,7 @@ module_param(default_rds_buf, uint, 0444); - MODULE_PARM_DESC(rds_buf, "RDS buffer entries"); - - /* Radio Nr */ --static u32 radio_nr = -1; -+static int radio_nr = -1; - module_param(radio_nr, int, 0444); - MODULE_PARM_DESC(radio_nr, "Radio Nr"); - -diff --git a/drivers/media/usb/dvb-usb/cinergyT2-core.c b/drivers/media/usb/dvb-usb/cinergyT2-core.c -index 9fd1527..8927230 100644 ---- a/drivers/media/usb/dvb-usb/cinergyT2-core.c -+++ b/drivers/media/usb/dvb-usb/cinergyT2-core.c -@@ -50,29 +50,73 @@ static struct dvb_usb_device_properties cinergyt2_properties; - - static int cinergyt2_streaming_ctrl(struct dvb_usb_adapter *adap, int enable) - { -- char buf[] = { CINERGYT2_EP1_CONTROL_STREAM_TRANSFER, enable ? 1 : 0 }; -- char result[64]; -- return dvb_usb_generic_rw(adap->dev, buf, sizeof(buf), result, -- sizeof(result), 0); -+ char *buf; -+ char *result; -+ int retval; -+ -+ buf = kmalloc(2, GFP_KERNEL); -+ if (buf == NULL) -+ return -ENOMEM; -+ result = kmalloc(64, GFP_KERNEL); -+ if (result == NULL) { -+ kfree(buf); -+ return -ENOMEM; -+ } -+ -+ buf[0] = CINERGYT2_EP1_CONTROL_STREAM_TRANSFER; -+ buf[1] = enable ? 1 : 0; -+ -+ retval = dvb_usb_generic_rw(adap->dev, buf, 2, result, 64, 0); -+ -+ kfree(buf); -+ kfree(result); -+ return retval; - } - - static int cinergyt2_power_ctrl(struct dvb_usb_device *d, int enable) - { -- char buf[] = { CINERGYT2_EP1_SLEEP_MODE, enable ? 0 : 1 }; -- char state[3]; -- return dvb_usb_generic_rw(d, buf, sizeof(buf), state, sizeof(state), 0); -+ char *buf; -+ char *state; -+ int retval; -+ -+ buf = kmalloc(2, GFP_KERNEL); -+ if (buf == NULL) -+ return -ENOMEM; -+ state = kmalloc(3, GFP_KERNEL); -+ if (state == NULL) { -+ kfree(buf); -+ return -ENOMEM; -+ } -+ -+ buf[0] = CINERGYT2_EP1_SLEEP_MODE; -+ buf[1] = enable ? 1 : 0; -+ -+ retval = dvb_usb_generic_rw(d, buf, 2, state, 3, 0); -+ -+ kfree(buf); -+ kfree(state); -+ return retval; - } - - static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) - { -- char query[] = { CINERGYT2_EP1_GET_FIRMWARE_VERSION }; -- char state[3]; -+ char *query; -+ char *state; - int ret; -+ query = kmalloc(1, GFP_KERNEL); -+ if (query == NULL) -+ return -ENOMEM; -+ state = kmalloc(3, GFP_KERNEL); -+ if (state == NULL) { -+ kfree(query); -+ return -ENOMEM; -+ } -+ -+ query[0] = CINERGYT2_EP1_GET_FIRMWARE_VERSION; - - adap->fe_adap[0].fe = cinergyt2_fe_attach(adap->dev); - -- ret = dvb_usb_generic_rw(adap->dev, query, sizeof(query), state, -- sizeof(state), 0); -+ ret = dvb_usb_generic_rw(adap->dev, query, 1, state, 3, 0); - if (ret < 0) { - deb_rc("cinergyt2_power_ctrl() Failed to retrieve sleep " - "state info\n"); -@@ -80,7 +124,8 @@ static int cinergyt2_frontend_attach(struct dvb_usb_adapter *adap) - - /* Copy this pointer as we are gonna need it in the release phase */ - cinergyt2_usb_device = adap->dev; -- -+ kfree(query); -+ kfree(state); - return 0; - } - -@@ -141,12 +186,23 @@ static int repeatable_keys[] = { - static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) - { - struct cinergyt2_state *st = d->priv; -- u8 key[5] = {0, 0, 0, 0, 0}, cmd = CINERGYT2_EP1_GET_RC_EVENTS; -+ u8 *key, *cmd; - int i; - -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -EINVAL; -+ key = kzalloc(5, GFP_KERNEL); -+ if (key == NULL) { -+ kfree(cmd); -+ return -EINVAL; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_RC_EVENTS; -+ - *state = REMOTE_NO_KEY_PRESSED; - -- dvb_usb_generic_rw(d, &cmd, 1, key, sizeof(key), 0); -+ dvb_usb_generic_rw(d, cmd, 1, key, 5, 0); - if (key[4] == 0xff) { - /* key repeat */ - st->rc_counter++; -@@ -157,12 +213,12 @@ static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) - *event = d->last_event; - deb_rc("repeat key, event %x\n", - *event); -- return 0; -+ goto out; - } - } - deb_rc("repeated key (non repeatable)\n"); - } -- return 0; -+ goto out; - } - - /* hack to pass checksum on the custom field */ -@@ -174,6 +230,9 @@ static int cinergyt2_rc_query(struct dvb_usb_device *d, u32 *event, int *state) - - deb_rc("key: %*ph\n", 5, key); - } -+out: -+ kfree(cmd); -+ kfree(key); - return 0; - } - -diff --git a/drivers/media/usb/dvb-usb/cinergyT2-fe.c b/drivers/media/usb/dvb-usb/cinergyT2-fe.c -index c890fe4..f9b2ae6 100644 ---- a/drivers/media/usb/dvb-usb/cinergyT2-fe.c -+++ b/drivers/media/usb/dvb-usb/cinergyT2-fe.c -@@ -145,103 +145,176 @@ static int cinergyt2_fe_read_status(struct dvb_frontend *fe, - fe_status_t *status) - { - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_get_status_msg result; -- u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; -+ struct dvbt_get_status_msg *result; -+ u8 *cmd; - int ret; - -- ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&result, -- sizeof(result), 0); -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -ENOMEM; -+ result = kmalloc(sizeof(*result), GFP_KERNEL); -+ if (result == NULL) { -+ kfree(cmd); -+ return -ENOMEM; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS; -+ -+ ret = dvb_usb_generic_rw(state->d, cmd, 1, (u8 *)result, -+ sizeof(*result), 0); - if (ret < 0) -- return ret; -+ goto out; - - *status = 0; - -- if (0xffff - le16_to_cpu(result.gain) > 30) -+ if (0xffff - le16_to_cpu(result->gain) > 30) - *status |= FE_HAS_SIGNAL; -- if (result.lock_bits & (1 << 6)) -+ if (result->lock_bits & (1 << 6)) - *status |= FE_HAS_LOCK; -- if (result.lock_bits & (1 << 5)) -+ if (result->lock_bits & (1 << 5)) - *status |= FE_HAS_SYNC; -- if (result.lock_bits & (1 << 4)) -+ if (result->lock_bits & (1 << 4)) - *status |= FE_HAS_CARRIER; -- if (result.lock_bits & (1 << 1)) -+ if (result->lock_bits & (1 << 1)) - *status |= FE_HAS_VITERBI; - - if ((*status & (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) != - (FE_HAS_CARRIER | FE_HAS_VITERBI | FE_HAS_SYNC)) - *status &= ~FE_HAS_LOCK; - -- return 0; -+out: -+ kfree(cmd); -+ kfree(result); -+ return ret; - } - - static int cinergyt2_fe_read_ber(struct dvb_frontend *fe, u32 *ber) - { - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_get_status_msg status; -- char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; -+ struct dvbt_get_status_msg *status; -+ char *cmd; - int ret; - -- ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, -- sizeof(status), 0); -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -ENOMEM; -+ status = kmalloc(sizeof(*status), GFP_KERNEL); -+ if (status == NULL) { -+ kfree(cmd); -+ return -ENOMEM; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS; -+ -+ ret = dvb_usb_generic_rw(state->d, cmd, 1, (char *)status, -+ sizeof(*status), 0); - if (ret < 0) -- return ret; -+ goto out; - -- *ber = le32_to_cpu(status.viterbi_error_rate); -+ *ber = le32_to_cpu(status->viterbi_error_rate); -+out: -+ kfree(cmd); -+ kfree(status); - return 0; - } - - static int cinergyt2_fe_read_unc_blocks(struct dvb_frontend *fe, u32 *unc) - { - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_get_status_msg status; -- u8 cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; -+ struct dvbt_get_status_msg *status; -+ u8 *cmd; - int ret; - -- ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (u8 *)&status, -- sizeof(status), 0); -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -ENOMEM; -+ status = kmalloc(sizeof(*status), GFP_KERNEL); -+ if (status == NULL) { -+ kfree(cmd); -+ return -ENOMEM; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS; -+ -+ ret = dvb_usb_generic_rw(state->d, cmd, 1, (u8 *)status, -+ sizeof(*status), 0); - if (ret < 0) { - err("cinergyt2_fe_read_unc_blocks() Failed! (Error=%d)\n", - ret); -- return ret; -+ goto out; - } -- *unc = le32_to_cpu(status.uncorrected_block_count); -- return 0; -+ *unc = le32_to_cpu(status->uncorrected_block_count); -+ -+out: -+ kfree(cmd); -+ kfree(status); -+ return ret; - } - - static int cinergyt2_fe_read_signal_strength(struct dvb_frontend *fe, - u16 *strength) - { - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_get_status_msg status; -- char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; -+ struct dvbt_get_status_msg *status; -+ char *cmd; - int ret; - -- ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, -- sizeof(status), 0); -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -ENOMEM; -+ status = kmalloc(sizeof(*status), GFP_KERNEL); -+ if (status == NULL) { -+ kfree(cmd); -+ return -ENOMEM; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS; -+ -+ ret = dvb_usb_generic_rw(state->d, cmd, 1, (char *)status, -+ sizeof(*status), 0); - if (ret < 0) { - err("cinergyt2_fe_read_signal_strength() Failed!" - " (Error=%d)\n", ret); -- return ret; -+ goto out; - } -- *strength = (0xffff - le16_to_cpu(status.gain)); -+ *strength = (0xffff - le16_to_cpu(status->gain)); -+ -+out: -+ kfree(cmd); -+ kfree(status); - return 0; - } - - static int cinergyt2_fe_read_snr(struct dvb_frontend *fe, u16 *snr) - { - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_get_status_msg status; -- char cmd[] = { CINERGYT2_EP1_GET_TUNER_STATUS }; -+ struct dvbt_get_status_msg *status; -+ char *cmd; - int ret; - -- ret = dvb_usb_generic_rw(state->d, cmd, sizeof(cmd), (char *)&status, -- sizeof(status), 0); -+ cmd = kmalloc(1, GFP_KERNEL); -+ if (cmd == NULL) -+ return -ENOMEM; -+ status = kmalloc(sizeof(*status), GFP_KERNEL); -+ if (status == NULL) { -+ kfree(cmd); -+ return -ENOMEM; -+ } -+ -+ cmd[0] = CINERGYT2_EP1_GET_TUNER_STATUS; -+ -+ ret = dvb_usb_generic_rw(state->d, cmd, 1, (char *)status, -+ sizeof(*status), 0); - if (ret < 0) { - err("cinergyt2_fe_read_snr() Failed! (Error=%d)\n", ret); -- return ret; -+ goto out; - } -- *snr = (status.snr << 8) | status.snr; -- return 0; -+ *snr = (status->snr << 8) | status->snr; -+ -+out: -+ kfree(cmd); -+ kfree(status); -+ return ret; - } - - static int cinergyt2_fe_init(struct dvb_frontend *fe) -@@ -266,35 +339,46 @@ static int cinergyt2_fe_set_frontend(struct dvb_frontend *fe) - { - struct dtv_frontend_properties *fep = &fe->dtv_property_cache; - struct cinergyt2_fe_state *state = fe->demodulator_priv; -- struct dvbt_set_parameters_msg param; -- char result[2]; -+ struct dvbt_set_parameters_msg *param; -+ char *result; - int err; - -- param.cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; -- param.tps = cpu_to_le16(compute_tps(fep)); -- param.freq = cpu_to_le32(fep->frequency / 1000); -- param.flags = 0; -+ result = kmalloc(2, GFP_KERNEL); -+ if (result == NULL) -+ return -ENOMEM; -+ param = kmalloc(sizeof(*param), GFP_KERNEL); -+ if (param == NULL) { -+ kfree(result); -+ return -ENOMEM; -+ } -+ -+ param->cmd = CINERGYT2_EP1_SET_TUNER_PARAMETERS; -+ param->tps = cpu_to_le16(compute_tps(fep)); -+ param->freq = cpu_to_le32(fep->frequency / 1000); -+ param->flags = 0; - - switch (fep->bandwidth_hz) { - default: - case 8000000: -- param.bandwidth = 8; -+ param->bandwidth = 8; - break; - case 7000000: -- param.bandwidth = 7; -+ param->bandwidth = 7; - break; - case 6000000: -- param.bandwidth = 6; -+ param->bandwidth = 6; - break; - } - - err = dvb_usb_generic_rw(state->d, -- (char *)&param, sizeof(param), -- result, sizeof(result), 0); -+ (char *)param, sizeof(*param), -+ result, 2, 0); - if (err < 0) - err("cinergyt2_fe_set_frontend() Failed! err=%d\n", err); - -- return (err < 0) ? err : 0; -+ kfree(result); -+ kfree(param); -+ return err; - } - - static void cinergyt2_fe_release(struct dvb_frontend *fe) -diff --git a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c -index 733a7ff..f8b52e3 100644 ---- a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c -+++ b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c -@@ -35,42 +35,57 @@ static int usb_cypress_writemem(struct usb_device *udev,u16 addr,u8 *data, u8 le - - int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw, int type) - { -- struct hexline hx; -- u8 reset; -+ struct hexline *hx; -+ u8 *reset; - int ret,pos=0; - -+ reset = kmalloc(1, GFP_KERNEL); -+ if (reset == NULL) -+ return -ENOMEM; -+ -+ hx = kmalloc(sizeof(struct hexline), GFP_KERNEL); -+ if (hx == NULL) { -+ kfree(reset); -+ return -ENOMEM; -+ } -+ - /* stop the CPU */ -- reset = 1; -- if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1)) != 1) -+ reset[0] = 1; -+ if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,reset,1)) != 1) - err("could not stop the USB controller CPU."); - -- while ((ret = dvb_usb_get_hexline(fw,&hx,&pos)) > 0) { -- deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n",hx.addr,hx.len,hx.chk); -- ret = usb_cypress_writemem(udev,hx.addr,hx.data,hx.len); -+ while ((ret = dvb_usb_get_hexline(fw,hx,&pos)) > 0) { -+ deb_fw("writing to address 0x%04x (buffer: 0x%02x %02x)\n",hx->addr,hx->len,hx->chk); -+ ret = usb_cypress_writemem(udev,hx->addr,hx->data,hx->len); - -- if (ret != hx.len) { -+ if (ret != hx->len) { - err("error while transferring firmware " - "(transferred size: %d, block size: %d)", -- ret,hx.len); -+ ret,hx->len); - ret = -EINVAL; - break; - } - } - if (ret < 0) { - err("firmware download failed at %d with %d",pos,ret); -+ kfree(reset); -+ kfree(hx); - return ret; - } - - if (ret == 0) { - /* restart the CPU */ -- reset = 0; -- if (ret || usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1) != 1) { -+ reset[0] = 0; -+ if (ret || usb_cypress_writemem(udev,cypress[type].cpu_cs_register,reset,1) != 1) { - err("could not restart the USB controller CPU."); - ret = -EINVAL; - } - } else - ret = -EIO; - -+ kfree(reset); -+ kfree(hx); -+ - return ret; - } - EXPORT_SYMBOL(usb_cypress_load_firmware); -diff --git a/drivers/media/usb/dvb-usb/technisat-usb2.c b/drivers/media/usb/dvb-usb/technisat-usb2.c -index 5801ae7..83f71fa 100644 ---- a/drivers/media/usb/dvb-usb/technisat-usb2.c -+++ b/drivers/media/usb/dvb-usb/technisat-usb2.c -@@ -87,8 +87,11 @@ struct technisat_usb2_state { - static int technisat_usb2_i2c_access(struct usb_device *udev, - u8 device_addr, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) - { -- u8 b[64]; -- int ret, actual_length; -+ u8 *b = kmalloc(64, GFP_KERNEL); -+ int ret, actual_length, error = 0; -+ -+ if (b == NULL) -+ return -ENOMEM; - - deb_i2c("i2c-access: %02x, tx: ", device_addr); - debug_dump(tx, txlen, deb_i2c); -@@ -121,7 +124,8 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, - - if (ret < 0) { - err("i2c-error: out failed %02x = %d", device_addr, ret); -- return -ENODEV; -+ error = -ENODEV; -+ goto out; - } - - ret = usb_bulk_msg(udev, -@@ -129,7 +133,8 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, - b, 64, &actual_length, 1000); - if (ret < 0) { - err("i2c-error: in failed %02x = %d", device_addr, ret); -- return -ENODEV; -+ error = -ENODEV; -+ goto out; - } - - if (b[0] != I2C_STATUS_OK) { -@@ -137,8 +142,10 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, - /* handle tuner-i2c-nak */ - if (!(b[0] == I2C_STATUS_NAK && - device_addr == 0x60 -- /* && device_is_technisat_usb2 */)) -- return -ENODEV; -+ /* && device_is_technisat_usb2 */)) { -+ error = -ENODEV; -+ goto out; -+ } - } - - deb_i2c("status: %d, ", b[0]); -@@ -152,7 +159,9 @@ static int technisat_usb2_i2c_access(struct usb_device *udev, - - deb_i2c("\n"); - -- return 0; -+out: -+ kfree(b); -+ return error; - } - - static int technisat_usb2_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, -@@ -224,14 +233,16 @@ static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, enum techni - { - int ret; - -- u8 led[8] = { -- red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, -- 0 -- }; -+ u8 *led = kzalloc(8, GFP_KERNEL); -+ -+ if (led == NULL) -+ return -ENOMEM; - - if (disable_led_control && state != TECH_LED_OFF) - return 0; - -+ led[0] = red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST; -+ - switch (state) { - case TECH_LED_ON: - led[1] = 0x82; -@@ -263,16 +274,22 @@ static int technisat_usb2_set_led(struct dvb_usb_device *d, int red, enum techni - red ? SET_RED_LED_VENDOR_REQUEST : SET_GREEN_LED_VENDOR_REQUEST, - USB_TYPE_VENDOR | USB_DIR_OUT, - 0, 0, -- led, sizeof(led), 500); -+ led, 8, 500); - - mutex_unlock(&d->i2c_mutex); -+ -+ kfree(led); -+ - return ret; - } - - static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 green) - { - int ret; -- u8 b = 0; -+ u8 *b = kzalloc(1, GFP_KERNEL); -+ -+ if (b == NULL) -+ return -ENOMEM; - - if (mutex_lock_interruptible(&d->i2c_mutex) < 0) - return -EAGAIN; -@@ -281,10 +298,12 @@ static int technisat_usb2_set_led_timer(struct dvb_usb_device *d, u8 red, u8 gre - SET_LED_TIMER_DIVIDER_VENDOR_REQUEST, - USB_TYPE_VENDOR | USB_DIR_OUT, - (red << 8) | green, 0, -- &b, 1, 500); -+ b, 1, 500); - - mutex_unlock(&d->i2c_mutex); - -+ kfree(b); -+ - return ret; - } - -@@ -328,7 +347,7 @@ static int technisat_usb2_identify_state(struct usb_device *udev, - struct dvb_usb_device_description **desc, int *cold) - { - int ret; -- u8 version[3]; -+ u8 *version = kmalloc(3, GFP_KERNEL); - - /* first select the interface */ - if (usb_set_interface(udev, 0, 1) != 0) -@@ -338,11 +357,14 @@ static int technisat_usb2_identify_state(struct usb_device *udev, - - *cold = 0; /* by default do not download a firmware - just in case something is wrong */ - -+ if (version == NULL) -+ return 0; -+ - ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), - GET_VERSION_INFO_VENDOR_REQUEST, - USB_TYPE_VENDOR | USB_DIR_IN, - 0, 0, -- version, sizeof(version), 500); -+ version, 3, 500); - - if (ret < 0) - *cold = 1; -@@ -351,6 +373,8 @@ static int technisat_usb2_identify_state(struct usb_device *udev, - *cold = 0; - } - -+ kfree(version); -+ - return 0; - } - -@@ -594,10 +618,15 @@ static int technisat_usb2_frontend_attach(struct dvb_usb_adapter *a) - - static int technisat_usb2_get_ir(struct dvb_usb_device *d) - { -- u8 buf[62], *b; -+ u8 *buf, *b; - int ret; - struct ir_raw_event ev; - -+ buf = kmalloc(62, GFP_KERNEL); -+ -+ if (buf == NULL) -+ return -ENOMEM; -+ - buf[0] = GET_IR_DATA_VENDOR_REQUEST; - buf[1] = 0x08; - buf[2] = 0x8f; -@@ -620,16 +649,20 @@ static int technisat_usb2_get_ir(struct dvb_usb_device *d) - GET_IR_DATA_VENDOR_REQUEST, - USB_TYPE_VENDOR | USB_DIR_IN, - 0x8080, 0, -- buf, sizeof(buf), 500); -+ buf, 62, 500); - - unlock: - mutex_unlock(&d->i2c_mutex); - -- if (ret < 0) -+ if (ret < 0) { -+ kfree(buf); - return ret; -+ } - -- if (ret == 1) -+ if (ret == 1) { -+ kfree(buf); - return 0; /* no key pressed */ -+ } - - /* decoding */ - b = buf+1; -@@ -656,6 +689,8 @@ unlock: - - ir_raw_event_handle(d->rc_dev); - -+ kfree(buf); -+ - return 1; - } - -diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -index af63543..0436f20 100644 ---- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c -@@ -429,7 +429,7 @@ static int get_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user - * by passing a very big num_planes value */ - uplane = compat_alloc_user_space(num_planes * - sizeof(struct v4l2_plane)); -- kp->m.planes = (__force struct v4l2_plane *)uplane; -+ kp->m.planes = (__force_kernel struct v4l2_plane *)uplane; - - while (--num_planes >= 0) { - ret = get_v4l2_plane32(uplane, uplane32, kp->memory); -@@ -500,7 +500,7 @@ static int put_v4l2_buffer32(struct v4l2_buffer *kp, struct v4l2_buffer32 __user - if (num_planes == 0) - return 0; - -- uplane = (__force struct v4l2_plane __user *)kp->m.planes; -+ uplane = (struct v4l2_plane __force_user *)kp->m.planes; - if (get_user(p, &up->m.planes)) - return -EFAULT; - uplane32 = compat_ptr(p); -@@ -564,7 +564,7 @@ static int get_v4l2_framebuffer32(struct v4l2_framebuffer *kp, struct v4l2_frame - get_user(kp->flags, &up->flags) || - copy_from_user(&kp->fmt, &up->fmt, sizeof(up->fmt))) - return -EFAULT; -- kp->base = (__force void *)compat_ptr(tmp); -+ kp->base = (__force_kernel void *)compat_ptr(tmp); - return 0; - } - -@@ -669,7 +669,7 @@ static int get_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext - n * sizeof(struct v4l2_ext_control32))) - return -EFAULT; - kcontrols = compat_alloc_user_space(n * sizeof(struct v4l2_ext_control)); -- kp->controls = (__force struct v4l2_ext_control *)kcontrols; -+ kp->controls = (__force_kernel struct v4l2_ext_control *)kcontrols; - while (--n >= 0) { - u32 id; - -@@ -696,7 +696,7 @@ static int put_v4l2_ext_controls32(struct v4l2_ext_controls *kp, struct v4l2_ext - { - struct v4l2_ext_control32 __user *ucontrols; - struct v4l2_ext_control __user *kcontrols = -- (__force struct v4l2_ext_control __user *)kp->controls; -+ (struct v4l2_ext_control __force_user *)kp->controls; - int n = kp->count; - compat_caddr_t p; - -@@ -780,7 +780,7 @@ static int get_v4l2_edid32(struct v4l2_edid *kp, struct v4l2_edid32 __user *up) - get_user(tmp, &up->edid) || - copy_from_user(kp->reserved, up->reserved, sizeof(kp->reserved))) - return -EFAULT; -- kp->edid = (__force u8 *)compat_ptr(tmp); -+ kp->edid = (__force_kernel u8 *)compat_ptr(tmp); - return 0; - } - -diff --git a/drivers/media/v4l2-core/v4l2-device.c b/drivers/media/v4l2-core/v4l2-device.c -index 5b0a30b..1974b38 100644 ---- a/drivers/media/v4l2-core/v4l2-device.c -+++ b/drivers/media/v4l2-core/v4l2-device.c -@@ -74,9 +74,9 @@ int v4l2_device_put(struct v4l2_device *v4l2_dev) - EXPORT_SYMBOL_GPL(v4l2_device_put); - - int v4l2_device_set_name(struct v4l2_device *v4l2_dev, const char *basename, -- atomic_t *instance) -+ atomic_unchecked_t *instance) - { -- int num = atomic_inc_return(instance) - 1; -+ int num = atomic_inc_return_unchecked(instance) - 1; - int len = strlen(basename); - - if (basename[len - 1] >= '0' && basename[len - 1] <= '9') -diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c -index aa407cb..ee847d4 100644 ---- a/drivers/media/v4l2-core/v4l2-ioctl.c -+++ b/drivers/media/v4l2-core/v4l2-ioctl.c -@@ -2151,7 +2151,8 @@ struct v4l2_ioctl_info { - struct file *file, void *fh, void *p); - } u; - void (*debug)(const void *arg, bool write_only); --}; -+} __do_const; -+typedef struct v4l2_ioctl_info __no_const v4l2_ioctl_info_no_const; - - /* This control needs a priority check */ - #define INFO_FL_PRIO (1 << 0) -@@ -2335,7 +2336,7 @@ static long __video_do_ioctl(struct file *file, - struct video_device *vfd = video_devdata(file); - const struct v4l2_ioctl_ops *ops = vfd->ioctl_ops; - bool write_only = false; -- struct v4l2_ioctl_info default_info; -+ v4l2_ioctl_info_no_const default_info; - const struct v4l2_ioctl_info *info; - void *fh = file->private_data; - struct v4l2_fh *vfh = NULL; -@@ -2426,7 +2427,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, - ret = -EINVAL; - break; - } -- *user_ptr = (void __user *)buf->m.planes; -+ *user_ptr = (void __force_user *)buf->m.planes; - *kernel_ptr = (void **)&buf->m.planes; - *array_size = sizeof(struct v4l2_plane) * buf->length; - ret = 1; -@@ -2443,7 +2444,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, - ret = -EINVAL; - break; - } -- *user_ptr = (void __user *)edid->edid; -+ *user_ptr = (void __force_user *)edid->edid; - *kernel_ptr = (void **)&edid->edid; - *array_size = edid->blocks * 128; - ret = 1; -@@ -2461,7 +2462,7 @@ static int check_array_args(unsigned int cmd, void *parg, size_t *array_size, - ret = -EINVAL; - break; - } -- *user_ptr = (void __user *)ctrls->controls; -+ *user_ptr = (void __force_user *)ctrls->controls; - *kernel_ptr = (void **)&ctrls->controls; - *array_size = sizeof(struct v4l2_ext_control) - * ctrls->count; -@@ -2562,7 +2563,7 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg, - } - - if (has_array_args) { -- *kernel_ptr = (void __force *)user_ptr; -+ *kernel_ptr = (void __force_kernel *)user_ptr; - if (copy_to_user(user_ptr, mbuf, array_size)) - err = -EFAULT; - goto out_array_args; -diff --git a/drivers/memory/omap-gpmc.c b/drivers/memory/omap-gpmc.c -index c94ea0d..b8a9f88 100644 ---- a/drivers/memory/omap-gpmc.c -+++ b/drivers/memory/omap-gpmc.c -@@ -232,7 +232,6 @@ struct omap3_gpmc_regs { - }; - - static struct gpmc_client_irq gpmc_client_irq[GPMC_NR_IRQ]; --static struct irq_chip gpmc_irq_chip; - static int gpmc_irq_start; - - static struct resource gpmc_mem_root; -@@ -1146,6 +1145,17 @@ static void gpmc_irq_noop(struct irq_data *data) { } - - static unsigned int gpmc_irq_noop_ret(struct irq_data *data) { return 0; } - -+static struct irq_chip gpmc_irq_chip = { -+ .name = "gpmc", -+ .irq_startup = gpmc_irq_noop_ret, -+ .irq_enable = gpmc_irq_enable, -+ .irq_disable = gpmc_irq_disable, -+ .irq_shutdown = gpmc_irq_noop, -+ .irq_ack = gpmc_irq_noop, -+ .irq_mask = gpmc_irq_noop, -+ .irq_unmask = gpmc_irq_noop, -+}; -+ - static int gpmc_setup_irq(void) - { - int i; -@@ -1160,15 +1170,6 @@ static int gpmc_setup_irq(void) - return gpmc_irq_start; - } - -- gpmc_irq_chip.name = "gpmc"; -- gpmc_irq_chip.irq_startup = gpmc_irq_noop_ret; -- gpmc_irq_chip.irq_enable = gpmc_irq_enable; -- gpmc_irq_chip.irq_disable = gpmc_irq_disable; -- gpmc_irq_chip.irq_shutdown = gpmc_irq_noop; -- gpmc_irq_chip.irq_ack = gpmc_irq_noop; -- gpmc_irq_chip.irq_mask = gpmc_irq_noop; -- gpmc_irq_chip.irq_unmask = gpmc_irq_noop; -- - gpmc_client_irq[0].bitmask = GPMC_IRQ_FIFOEVENTENABLE; - gpmc_client_irq[1].bitmask = GPMC_IRQ_COUNT_EVENT; - -diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c -index 187f836..679544b 100644 ---- a/drivers/message/fusion/mptbase.c -+++ b/drivers/message/fusion/mptbase.c -@@ -6746,8 +6746,13 @@ static int mpt_iocinfo_proc_show(struct seq_file *m, void *v) - seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth); - seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize); - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", NULL, NULL); -+#else - seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", - (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma); -+#endif -+ - /* - * Rounding UP to nearest 4-kB boundary here... - */ -@@ -6760,7 +6765,11 @@ static int mpt_iocinfo_proc_show(struct seq_file *m, void *v) - ioc->facts.GlobalCredits); - - seq_printf(m, " Frames @ 0x%p (Dma @ 0x%p)\n", -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, NULL); -+#else - (void *)ioc->alloc, (void *)(ulong)ioc->alloc_dma); -+#endif - sz = (ioc->reply_sz * ioc->reply_depth) + 128; - seq_printf(m, " {CurRepSz=%d} x {CurRepDepth=%d} = %d bytes ^= 0x%x\n", - ioc->reply_sz, ioc->reply_depth, ioc->reply_sz*ioc->reply_depth, sz); -diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c -index 5bdaae1..eced16f 100644 ---- a/drivers/message/fusion/mptsas.c -+++ b/drivers/message/fusion/mptsas.c -@@ -446,6 +446,23 @@ mptsas_is_end_device(struct mptsas_devinfo * attached) - return 0; - } - -+static inline void -+mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy) -+{ -+ if (phy_info->port_details) { -+ phy_info->port_details->rphy = rphy; -+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n", -+ ioc->name, rphy)); -+ } -+ -+ if (rphy) { -+ dsaswideprintk(ioc, dev_printk(KERN_DEBUG, -+ &rphy->dev, MYIOC_s_FMT "add:", ioc->name)); -+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n", -+ ioc->name, rphy, rphy->dev.release)); -+ } -+} -+ - /* no mutex */ - static void - mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details) -@@ -484,23 +501,6 @@ mptsas_get_rphy(struct mptsas_phyinfo *phy_info) - return NULL; - } - --static inline void --mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy) --{ -- if (phy_info->port_details) { -- phy_info->port_details->rphy = rphy; -- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n", -- ioc->name, rphy)); -- } -- -- if (rphy) { -- dsaswideprintk(ioc, dev_printk(KERN_DEBUG, -- &rphy->dev, MYIOC_s_FMT "add:", ioc->name)); -- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n", -- ioc->name, rphy, rphy->dev.release)); -- } --} -- - static inline struct sas_port * - mptsas_get_port(struct mptsas_phyinfo *phy_info) - { -diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c -index cdd6f3d..1907a98 100644 ---- a/drivers/mfd/ab8500-debugfs.c -+++ b/drivers/mfd/ab8500-debugfs.c -@@ -100,7 +100,7 @@ static int irq_last; - static u32 *irq_count; - static int num_irqs; - --static struct device_attribute **dev_attr; -+static device_attribute_no_const **dev_attr; - static char **event_name; - - static u8 avg_sample = SAMPLE_16; -diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c -index 8057849..0550fdf 100644 ---- a/drivers/mfd/kempld-core.c -+++ b/drivers/mfd/kempld-core.c -@@ -499,7 +499,7 @@ static struct platform_driver kempld_driver = { - .remove = kempld_remove, - }; - --static struct dmi_system_id kempld_dmi_table[] __initdata = { -+static const struct dmi_system_id kempld_dmi_table[] __initconst = { - { - .ident = "BHL6", - .matches = { -diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c -index c880c89..45a7c68 100644 ---- a/drivers/mfd/max8925-i2c.c -+++ b/drivers/mfd/max8925-i2c.c -@@ -152,7 +152,7 @@ static int max8925_probe(struct i2c_client *client, - const struct i2c_device_id *id) - { - struct max8925_platform_data *pdata = dev_get_platdata(&client->dev); -- static struct max8925_chip *chip; -+ struct max8925_chip *chip; - struct device_node *node = client->dev.of_node; - - if (node && !pdata) { -diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c -index 7612d89..70549c2 100644 ---- a/drivers/mfd/tps65910.c -+++ b/drivers/mfd/tps65910.c -@@ -230,7 +230,7 @@ static int tps65910_irq_init(struct tps65910 *tps65910, int irq, - struct tps65910_platform_data *pdata) - { - int ret = 0; -- static struct regmap_irq_chip *tps6591x_irqs_chip; -+ struct regmap_irq_chip *tps6591x_irqs_chip; - - if (!irq) { - dev_warn(tps65910->dev, "No interrupt support, no core IRQ\n"); -diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c -index 1b772ef..01e77d33 100644 ---- a/drivers/mfd/twl4030-irq.c -+++ b/drivers/mfd/twl4030-irq.c -@@ -34,6 +34,7 @@ - #include <linux/of.h> - #include <linux/irqdomain.h> - #include <linux/i2c/twl.h> -+#include <asm/pgtable.h> - - #include "twl-core.h" - -@@ -729,10 +730,12 @@ int twl4030_init_irq(struct device *dev, int irq_num) - * Install an irq handler for each of the SIH modules; - * clone dummy irq_chip since PIH can't *do* anything - */ -- twl4030_irq_chip = dummy_irq_chip; -- twl4030_irq_chip.name = "twl4030"; -+ pax_open_kernel(); -+ memcpy((void *)&twl4030_irq_chip, &dummy_irq_chip, sizeof twl4030_irq_chip); -+ *(const char **)&twl4030_irq_chip.name = "twl4030"; - -- twl4030_sih_irq_chip.irq_ack = dummy_irq_chip.irq_ack; -+ *(void **)&twl4030_sih_irq_chip.irq_ack = dummy_irq_chip.irq_ack; -+ pax_close_kernel(); - - for (i = irq_base; i < irq_end; i++) { - irq_set_chip_and_handler(i, &twl4030_irq_chip, -diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c -index 464419b..64bae8d 100644 ---- a/drivers/misc/c2port/core.c -+++ b/drivers/misc/c2port/core.c -@@ -922,7 +922,9 @@ struct c2port_device *c2port_device_register(char *name, - goto error_idr_alloc; - c2dev->id = ret; - -- bin_attr_flash_data.size = ops->blocks_num * ops->block_size; -+ pax_open_kernel(); -+ *(size_t *)&bin_attr_flash_data.size = ops->blocks_num * ops->block_size; -+ pax_close_kernel(); - - c2dev->dev = device_create(c2port_class, NULL, 0, c2dev, - "c2port%d", c2dev->id); -diff --git a/drivers/misc/eeprom/sunxi_sid.c b/drivers/misc/eeprom/sunxi_sid.c -index 8385177..2f54635 100644 ---- a/drivers/misc/eeprom/sunxi_sid.c -+++ b/drivers/misc/eeprom/sunxi_sid.c -@@ -126,7 +126,9 @@ static int sunxi_sid_probe(struct platform_device *pdev) - - platform_set_drvdata(pdev, sid_data); - -- sid_bin_attr.size = sid_data->keysize; -+ pax_open_kernel(); -+ *(size_t *)&sid_bin_attr.size = sid_data->keysize; -+ pax_close_kernel(); - if (device_create_bin_file(&pdev->dev, &sid_bin_attr)) - return -ENODEV; - -diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c -index 36f5d52..32311c3 100644 ---- a/drivers/misc/kgdbts.c -+++ b/drivers/misc/kgdbts.c -@@ -834,7 +834,7 @@ static void run_plant_and_detach_test(int is_early) - char before[BREAK_INSTR_SIZE]; - char after[BREAK_INSTR_SIZE]; - -- probe_kernel_read(before, (char *)kgdbts_break_test, -+ probe_kernel_read(before, ktla_ktva((char *)kgdbts_break_test), - BREAK_INSTR_SIZE); - init_simple_test(); - ts.tst = plant_and_detach_test; -@@ -842,7 +842,7 @@ static void run_plant_and_detach_test(int is_early) - /* Activate test with initial breakpoint */ - if (!is_early) - kgdb_breakpoint(); -- probe_kernel_read(after, (char *)kgdbts_break_test, -+ probe_kernel_read(after, ktla_ktva((char *)kgdbts_break_test), - BREAK_INSTR_SIZE); - if (memcmp(before, after, BREAK_INSTR_SIZE)) { - printk(KERN_CRIT "kgdbts: ERROR kgdb corrupted memory\n"); -diff --git a/drivers/misc/lis3lv02d/lis3lv02d.c b/drivers/misc/lis3lv02d/lis3lv02d.c -index 4739689..8a52950 100644 ---- a/drivers/misc/lis3lv02d/lis3lv02d.c -+++ b/drivers/misc/lis3lv02d/lis3lv02d.c -@@ -497,7 +497,7 @@ static irqreturn_t lis302dl_interrupt(int irq, void *data) - * the lid is closed. This leads to interrupts as soon as a little move - * is done. - */ -- atomic_inc(&lis3->count); -+ atomic_inc_unchecked(&lis3->count); - - wake_up_interruptible(&lis3->misc_wait); - kill_fasync(&lis3->async_queue, SIGIO, POLL_IN); -@@ -583,7 +583,7 @@ static int lis3lv02d_misc_open(struct inode *inode, struct file *file) - if (lis3->pm_dev) - pm_runtime_get_sync(lis3->pm_dev); - -- atomic_set(&lis3->count, 0); -+ atomic_set_unchecked(&lis3->count, 0); - return 0; - } - -@@ -615,7 +615,7 @@ static ssize_t lis3lv02d_misc_read(struct file *file, char __user *buf, - add_wait_queue(&lis3->misc_wait, &wait); - while (true) { - set_current_state(TASK_INTERRUPTIBLE); -- data = atomic_xchg(&lis3->count, 0); -+ data = atomic_xchg_unchecked(&lis3->count, 0); - if (data) - break; - -@@ -656,7 +656,7 @@ static unsigned int lis3lv02d_misc_poll(struct file *file, poll_table *wait) - struct lis3lv02d, miscdev); - - poll_wait(file, &lis3->misc_wait, wait); -- if (atomic_read(&lis3->count)) -+ if (atomic_read_unchecked(&lis3->count)) - return POLLIN | POLLRDNORM; - return 0; - } -diff --git a/drivers/misc/lis3lv02d/lis3lv02d.h b/drivers/misc/lis3lv02d/lis3lv02d.h -index c439c82..1f20f57 100644 ---- a/drivers/misc/lis3lv02d/lis3lv02d.h -+++ b/drivers/misc/lis3lv02d/lis3lv02d.h -@@ -297,7 +297,7 @@ struct lis3lv02d { - struct input_polled_dev *idev; /* input device */ - struct platform_device *pdev; /* platform device */ - struct regulator_bulk_data regulators[2]; -- atomic_t count; /* interrupt count after last read */ -+ atomic_unchecked_t count; /* interrupt count after last read */ - union axis_conversion ac; /* hw -> logical axis */ - int mapped_btns[3]; - -diff --git a/drivers/misc/sgi-gru/gruhandles.c b/drivers/misc/sgi-gru/gruhandles.c -index 2f30bad..c4c13d0 100644 ---- a/drivers/misc/sgi-gru/gruhandles.c -+++ b/drivers/misc/sgi-gru/gruhandles.c -@@ -44,8 +44,8 @@ static void update_mcs_stats(enum mcs_op op, unsigned long clks) - unsigned long nsec; - - nsec = CLKS2NSEC(clks); -- atomic_long_inc(&mcs_op_statistics[op].count); -- atomic_long_add(nsec, &mcs_op_statistics[op].total); -+ atomic_long_inc_unchecked(&mcs_op_statistics[op].count); -+ atomic_long_add_unchecked(nsec, &mcs_op_statistics[op].total); - if (mcs_op_statistics[op].max < nsec) - mcs_op_statistics[op].max = nsec; - } -diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c -index 4f76359..cdfcb2e 100644 ---- a/drivers/misc/sgi-gru/gruprocfs.c -+++ b/drivers/misc/sgi-gru/gruprocfs.c -@@ -32,9 +32,9 @@ - - #define printstat(s, f) printstat_val(s, &gru_stats.f, #f) - --static void printstat_val(struct seq_file *s, atomic_long_t *v, char *id) -+static void printstat_val(struct seq_file *s, atomic_long_unchecked_t *v, char *id) - { -- unsigned long val = atomic_long_read(v); -+ unsigned long val = atomic_long_read_unchecked(v); - - seq_printf(s, "%16lu %s\n", val, id); - } -@@ -134,8 +134,8 @@ static int mcs_statistics_show(struct seq_file *s, void *p) - - seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks"); - for (op = 0; op < mcsop_last; op++) { -- count = atomic_long_read(&mcs_op_statistics[op].count); -- total = atomic_long_read(&mcs_op_statistics[op].total); -+ count = atomic_long_read_unchecked(&mcs_op_statistics[op].count); -+ total = atomic_long_read_unchecked(&mcs_op_statistics[op].total); - max = mcs_op_statistics[op].max; - seq_printf(s, "%-20s%12ld%12ld%12ld\n", id[op], count, - count ? total / count : 0, max); -diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h -index 5c3ce24..4915ccb 100644 ---- a/drivers/misc/sgi-gru/grutables.h -+++ b/drivers/misc/sgi-gru/grutables.h -@@ -167,82 +167,82 @@ extern unsigned int gru_max_gids; - * GRU statistics. - */ - struct gru_stats_s { -- atomic_long_t vdata_alloc; -- atomic_long_t vdata_free; -- atomic_long_t gts_alloc; -- atomic_long_t gts_free; -- atomic_long_t gms_alloc; -- atomic_long_t gms_free; -- atomic_long_t gts_double_allocate; -- atomic_long_t assign_context; -- atomic_long_t assign_context_failed; -- atomic_long_t free_context; -- atomic_long_t load_user_context; -- atomic_long_t load_kernel_context; -- atomic_long_t lock_kernel_context; -- atomic_long_t unlock_kernel_context; -- atomic_long_t steal_user_context; -- atomic_long_t steal_kernel_context; -- atomic_long_t steal_context_failed; -- atomic_long_t nopfn; -- atomic_long_t asid_new; -- atomic_long_t asid_next; -- atomic_long_t asid_wrap; -- atomic_long_t asid_reuse; -- atomic_long_t intr; -- atomic_long_t intr_cbr; -- atomic_long_t intr_tfh; -- atomic_long_t intr_spurious; -- atomic_long_t intr_mm_lock_failed; -- atomic_long_t call_os; -- atomic_long_t call_os_wait_queue; -- atomic_long_t user_flush_tlb; -- atomic_long_t user_unload_context; -- atomic_long_t user_exception; -- atomic_long_t set_context_option; -- atomic_long_t check_context_retarget_intr; -- atomic_long_t check_context_unload; -- atomic_long_t tlb_dropin; -- atomic_long_t tlb_preload_page; -- atomic_long_t tlb_dropin_fail_no_asid; -- atomic_long_t tlb_dropin_fail_upm; -- atomic_long_t tlb_dropin_fail_invalid; -- atomic_long_t tlb_dropin_fail_range_active; -- atomic_long_t tlb_dropin_fail_idle; -- atomic_long_t tlb_dropin_fail_fmm; -- atomic_long_t tlb_dropin_fail_no_exception; -- atomic_long_t tfh_stale_on_fault; -- atomic_long_t mmu_invalidate_range; -- atomic_long_t mmu_invalidate_page; -- atomic_long_t flush_tlb; -- atomic_long_t flush_tlb_gru; -- atomic_long_t flush_tlb_gru_tgh; -- atomic_long_t flush_tlb_gru_zero_asid; -+ atomic_long_unchecked_t vdata_alloc; -+ atomic_long_unchecked_t vdata_free; -+ atomic_long_unchecked_t gts_alloc; -+ atomic_long_unchecked_t gts_free; -+ atomic_long_unchecked_t gms_alloc; -+ atomic_long_unchecked_t gms_free; -+ atomic_long_unchecked_t gts_double_allocate; -+ atomic_long_unchecked_t assign_context; -+ atomic_long_unchecked_t assign_context_failed; -+ atomic_long_unchecked_t free_context; -+ atomic_long_unchecked_t load_user_context; -+ atomic_long_unchecked_t load_kernel_context; -+ atomic_long_unchecked_t lock_kernel_context; -+ atomic_long_unchecked_t unlock_kernel_context; -+ atomic_long_unchecked_t steal_user_context; -+ atomic_long_unchecked_t steal_kernel_context; -+ atomic_long_unchecked_t steal_context_failed; -+ atomic_long_unchecked_t nopfn; -+ atomic_long_unchecked_t asid_new; -+ atomic_long_unchecked_t asid_next; -+ atomic_long_unchecked_t asid_wrap; -+ atomic_long_unchecked_t asid_reuse; -+ atomic_long_unchecked_t intr; -+ atomic_long_unchecked_t intr_cbr; -+ atomic_long_unchecked_t intr_tfh; -+ atomic_long_unchecked_t intr_spurious; -+ atomic_long_unchecked_t intr_mm_lock_failed; -+ atomic_long_unchecked_t call_os; -+ atomic_long_unchecked_t call_os_wait_queue; -+ atomic_long_unchecked_t user_flush_tlb; -+ atomic_long_unchecked_t user_unload_context; -+ atomic_long_unchecked_t user_exception; -+ atomic_long_unchecked_t set_context_option; -+ atomic_long_unchecked_t check_context_retarget_intr; -+ atomic_long_unchecked_t check_context_unload; -+ atomic_long_unchecked_t tlb_dropin; -+ atomic_long_unchecked_t tlb_preload_page; -+ atomic_long_unchecked_t tlb_dropin_fail_no_asid; -+ atomic_long_unchecked_t tlb_dropin_fail_upm; -+ atomic_long_unchecked_t tlb_dropin_fail_invalid; -+ atomic_long_unchecked_t tlb_dropin_fail_range_active; -+ atomic_long_unchecked_t tlb_dropin_fail_idle; -+ atomic_long_unchecked_t tlb_dropin_fail_fmm; -+ atomic_long_unchecked_t tlb_dropin_fail_no_exception; -+ atomic_long_unchecked_t tfh_stale_on_fault; -+ atomic_long_unchecked_t mmu_invalidate_range; -+ atomic_long_unchecked_t mmu_invalidate_page; -+ atomic_long_unchecked_t flush_tlb; -+ atomic_long_unchecked_t flush_tlb_gru; -+ atomic_long_unchecked_t flush_tlb_gru_tgh; -+ atomic_long_unchecked_t flush_tlb_gru_zero_asid; - -- atomic_long_t copy_gpa; -- atomic_long_t read_gpa; -+ atomic_long_unchecked_t copy_gpa; -+ atomic_long_unchecked_t read_gpa; - -- atomic_long_t mesq_receive; -- atomic_long_t mesq_receive_none; -- atomic_long_t mesq_send; -- atomic_long_t mesq_send_failed; -- atomic_long_t mesq_noop; -- atomic_long_t mesq_send_unexpected_error; -- atomic_long_t mesq_send_lb_overflow; -- atomic_long_t mesq_send_qlimit_reached; -- atomic_long_t mesq_send_amo_nacked; -- atomic_long_t mesq_send_put_nacked; -- atomic_long_t mesq_page_overflow; -- atomic_long_t mesq_qf_locked; -- atomic_long_t mesq_qf_noop_not_full; -- atomic_long_t mesq_qf_switch_head_failed; -- atomic_long_t mesq_qf_unexpected_error; -- atomic_long_t mesq_noop_unexpected_error; -- atomic_long_t mesq_noop_lb_overflow; -- atomic_long_t mesq_noop_qlimit_reached; -- atomic_long_t mesq_noop_amo_nacked; -- atomic_long_t mesq_noop_put_nacked; -- atomic_long_t mesq_noop_page_overflow; -+ atomic_long_unchecked_t mesq_receive; -+ atomic_long_unchecked_t mesq_receive_none; -+ atomic_long_unchecked_t mesq_send; -+ atomic_long_unchecked_t mesq_send_failed; -+ atomic_long_unchecked_t mesq_noop; -+ atomic_long_unchecked_t mesq_send_unexpected_error; -+ atomic_long_unchecked_t mesq_send_lb_overflow; -+ atomic_long_unchecked_t mesq_send_qlimit_reached; -+ atomic_long_unchecked_t mesq_send_amo_nacked; -+ atomic_long_unchecked_t mesq_send_put_nacked; -+ atomic_long_unchecked_t mesq_page_overflow; -+ atomic_long_unchecked_t mesq_qf_locked; -+ atomic_long_unchecked_t mesq_qf_noop_not_full; -+ atomic_long_unchecked_t mesq_qf_switch_head_failed; -+ atomic_long_unchecked_t mesq_qf_unexpected_error; -+ atomic_long_unchecked_t mesq_noop_unexpected_error; -+ atomic_long_unchecked_t mesq_noop_lb_overflow; -+ atomic_long_unchecked_t mesq_noop_qlimit_reached; -+ atomic_long_unchecked_t mesq_noop_amo_nacked; -+ atomic_long_unchecked_t mesq_noop_put_nacked; -+ atomic_long_unchecked_t mesq_noop_page_overflow; - - }; - -@@ -251,8 +251,8 @@ enum mcs_op {cchop_allocate, cchop_start, cchop_interrupt, cchop_interrupt_sync, - tghop_invalidate, mcsop_last}; - - struct mcs_op_statistic { -- atomic_long_t count; -- atomic_long_t total; -+ atomic_long_unchecked_t count; -+ atomic_long_unchecked_t total; - unsigned long max; - }; - -@@ -275,7 +275,7 @@ extern struct mcs_op_statistic mcs_op_statistics[mcsop_last]; - - #define STAT(id) do { \ - if (gru_options & OPT_STATS) \ -- atomic_long_inc(&gru_stats.id); \ -+ atomic_long_inc_unchecked(&gru_stats.id); \ - } while (0) - - #ifdef CONFIG_SGI_GRU_DEBUG -diff --git a/drivers/misc/sgi-xp/xp.h b/drivers/misc/sgi-xp/xp.h -index c862cd4..0d176fe 100644 ---- a/drivers/misc/sgi-xp/xp.h -+++ b/drivers/misc/sgi-xp/xp.h -@@ -288,7 +288,7 @@ struct xpc_interface { - xpc_notify_func, void *); - void (*received) (short, int, void *); - enum xp_retval (*partid_to_nasids) (short, void *); --}; -+} __no_const; - - extern struct xpc_interface xpc_interface; - -diff --git a/drivers/misc/sgi-xp/xp_main.c b/drivers/misc/sgi-xp/xp_main.c -index 01be66d..e3a0c7e 100644 ---- a/drivers/misc/sgi-xp/xp_main.c -+++ b/drivers/misc/sgi-xp/xp_main.c -@@ -78,13 +78,13 @@ xpc_notloaded(void) - } - - struct xpc_interface xpc_interface = { -- (void (*)(int))xpc_notloaded, -- (void (*)(int))xpc_notloaded, -- (enum xp_retval(*)(short, int, u32, void *, u16))xpc_notloaded, -- (enum xp_retval(*)(short, int, u32, void *, u16, xpc_notify_func, -+ .connect = (void (*)(int))xpc_notloaded, -+ .disconnect = (void (*)(int))xpc_notloaded, -+ .send = (enum xp_retval(*)(short, int, u32, void *, u16))xpc_notloaded, -+ .send_notify = (enum xp_retval(*)(short, int, u32, void *, u16, xpc_notify_func, - void *))xpc_notloaded, -- (void (*)(short, int, void *))xpc_notloaded, -- (enum xp_retval(*)(short, void *))xpc_notloaded -+ .received = (void (*)(short, int, void *))xpc_notloaded, -+ .partid_to_nasids = (enum xp_retval(*)(short, void *))xpc_notloaded - }; - EXPORT_SYMBOL_GPL(xpc_interface); - -diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h -index b94d5f7..7f494c5 100644 ---- a/drivers/misc/sgi-xp/xpc.h -+++ b/drivers/misc/sgi-xp/xpc.h -@@ -835,6 +835,7 @@ struct xpc_arch_operations { - void (*received_payload) (struct xpc_channel *, void *); - void (*notify_senders_of_disconnect) (struct xpc_channel *); - }; -+typedef struct xpc_arch_operations __no_const xpc_arch_operations_no_const; - - /* struct xpc_partition act_state values (for XPC HB) */ - -@@ -876,7 +877,7 @@ extern struct xpc_registration xpc_registrations[]; - /* found in xpc_main.c */ - extern struct device *xpc_part; - extern struct device *xpc_chan; --extern struct xpc_arch_operations xpc_arch_ops; -+extern xpc_arch_operations_no_const xpc_arch_ops; - extern int xpc_disengage_timelimit; - extern int xpc_disengage_timedout; - extern int xpc_activate_IRQ_rcvd; -diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c -index 7f32712..8539ab2 100644 ---- a/drivers/misc/sgi-xp/xpc_main.c -+++ b/drivers/misc/sgi-xp/xpc_main.c -@@ -166,7 +166,7 @@ static struct notifier_block xpc_die_notifier = { - .notifier_call = xpc_system_die, - }; - --struct xpc_arch_operations xpc_arch_ops; -+xpc_arch_operations_no_const xpc_arch_ops; - - /* - * Timer function to enforce the timelimit on the partition disengage. -diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c -index 31d2627..d1b80a5 100644 ---- a/drivers/mmc/card/block.c -+++ b/drivers/mmc/card/block.c -@@ -579,7 +579,7 @@ static int mmc_blk_ioctl_cmd(struct block_device *bdev, - if (idata->ic.postsleep_min_us) - usleep_range(idata->ic.postsleep_min_us, idata->ic.postsleep_max_us); - -- if (copy_to_user(&(ic_ptr->response), cmd.resp, sizeof(cmd.resp))) { -+ if (copy_to_user(ic_ptr->response, cmd.resp, sizeof(cmd.resp))) { - err = -EFAULT; - goto cmd_rel_host; - } -diff --git a/drivers/mmc/host/dw_mmc.h b/drivers/mmc/host/dw_mmc.h -index f45ab91..9f50d8f 100644 ---- a/drivers/mmc/host/dw_mmc.h -+++ b/drivers/mmc/host/dw_mmc.h -@@ -287,5 +287,5 @@ struct dw_mci_drv_data { - int (*execute_tuning)(struct dw_mci_slot *slot); - int (*prepare_hs400_tuning)(struct dw_mci *host, - struct mmc_ios *ios); --}; -+} __do_const; - #endif /* _DW_MMC_H_ */ -diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c -index fb26674..3172c2b 100644 ---- a/drivers/mmc/host/mmci.c -+++ b/drivers/mmc/host/mmci.c -@@ -1633,7 +1633,9 @@ static int mmci_probe(struct amba_device *dev, - mmc->caps |= MMC_CAP_CMD23; - - if (variant->busy_detect) { -- mmci_ops.card_busy = mmci_card_busy; -+ pax_open_kernel(); -+ *(void **)&mmci_ops.card_busy = mmci_card_busy; -+ pax_close_kernel(); - mmci_write_datactrlreg(host, MCI_ST_DPSM_BUSYMODE); - mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY; - mmc->max_busy_timeout = 0; -diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c -index d0abdffb..bb1f8d7 100644 ---- a/drivers/mmc/host/omap_hsmmc.c -+++ b/drivers/mmc/host/omap_hsmmc.c -@@ -2004,7 +2004,9 @@ static int omap_hsmmc_probe(struct platform_device *pdev) - - if (host->pdata->controller_flags & OMAP_HSMMC_BROKEN_MULTIBLOCK_READ) { - dev_info(&pdev->dev, "multiblock reads disabled due to 35xx erratum 2.1.1.128; MMC read performance may suffer\n"); -- omap_hsmmc_ops.multi_io_quirk = omap_hsmmc_multi_io_quirk; -+ pax_open_kernel(); -+ *(void **)&omap_hsmmc_ops.multi_io_quirk = omap_hsmmc_multi_io_quirk; -+ pax_close_kernel(); - } - - pm_runtime_enable(host->dev); -diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c -index 82f512d..5a228bb 100644 ---- a/drivers/mmc/host/sdhci-esdhc-imx.c -+++ b/drivers/mmc/host/sdhci-esdhc-imx.c -@@ -993,9 +993,12 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) - host->mmc->caps |= MMC_CAP_1_8V_DDR; - } - -- if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) -- sdhci_esdhc_ops.platform_execute_tuning = -+ if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING) { -+ pax_open_kernel(); -+ *(void **)&sdhci_esdhc_ops.platform_execute_tuning = - esdhc_executing_tuning; -+ pax_close_kernel(); -+ } - - if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING) - writel(readl(host->ioaddr + ESDHC_TUNING_CTRL) | -diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c -index c6d2dd7..81b1ca3 100644 ---- a/drivers/mmc/host/sdhci-s3c.c -+++ b/drivers/mmc/host/sdhci-s3c.c -@@ -598,9 +598,11 @@ static int sdhci_s3c_probe(struct platform_device *pdev) - * we can use overriding functions instead of default. - */ - if (sc->no_divider) { -- sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock; -- sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock; -- sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock; -+ pax_open_kernel(); -+ *(void **)&sdhci_s3c_ops.set_clock = sdhci_cmu_set_clock; -+ *(void **)&sdhci_s3c_ops.get_min_clock = sdhci_cmu_get_min_clock; -+ *(void **)&sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock; -+ pax_close_kernel(); - } - - /* It supports additional host capabilities if needed */ -diff --git a/drivers/mtd/chips/cfi_cmdset_0020.c b/drivers/mtd/chips/cfi_cmdset_0020.c -index 9a1a6ff..b8f1a57 100644 ---- a/drivers/mtd/chips/cfi_cmdset_0020.c -+++ b/drivers/mtd/chips/cfi_cmdset_0020.c -@@ -666,7 +666,7 @@ cfi_staa_writev(struct mtd_info *mtd, const struct kvec *vecs, - size_t totlen = 0, thislen; - int ret = 0; - size_t buflen = 0; -- static char *buffer; -+ char *buffer; - - if (!ECCBUF_SIZE) { - /* We should fall back to a general writev implementation. -diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c -index 870c7fc..c7d6440 100644 ---- a/drivers/mtd/nand/denali.c -+++ b/drivers/mtd/nand/denali.c -@@ -24,6 +24,7 @@ - #include <linux/slab.h> - #include <linux/mtd/mtd.h> - #include <linux/module.h> -+#include <linux/slab.h> - - #include "denali.h" - -diff --git a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c -index 1b8f350..990f2e9 100644 ---- a/drivers/mtd/nand/gpmi-nand/gpmi-nand.c -+++ b/drivers/mtd/nand/gpmi-nand/gpmi-nand.c -@@ -386,7 +386,7 @@ void prepare_data_dma(struct gpmi_nand_data *this, enum dma_data_direction dr) - - /* first try to map the upper buffer directly */ - if (virt_addr_valid(this->upper_buf) && -- !object_is_on_stack(this->upper_buf)) { -+ !object_starts_on_stack(this->upper_buf)) { - sg_init_one(sgl, this->upper_buf, this->upper_len); - ret = dma_map_sg(this->dev, sgl, 1, dr); - if (ret == 0) -diff --git a/drivers/mtd/nftlmount.c b/drivers/mtd/nftlmount.c -index a5dfbfb..8042ab4 100644 ---- a/drivers/mtd/nftlmount.c -+++ b/drivers/mtd/nftlmount.c -@@ -24,6 +24,7 @@ - #include <asm/errno.h> - #include <linux/delay.h> - #include <linux/slab.h> -+#include <linux/sched.h> - #include <linux/mtd/mtd.h> - #include <linux/mtd/nand.h> - #include <linux/mtd/nftl.h> -diff --git a/drivers/mtd/sm_ftl.c b/drivers/mtd/sm_ftl.c -index c23184a..4115c41 100644 ---- a/drivers/mtd/sm_ftl.c -+++ b/drivers/mtd/sm_ftl.c -@@ -56,7 +56,7 @@ static ssize_t sm_attr_show(struct device *dev, struct device_attribute *attr, - #define SM_CIS_VENDOR_OFFSET 0x59 - static struct attribute_group *sm_create_sysfs_attributes(struct sm_ftl *ftl) - { -- struct attribute_group *attr_group; -+ attribute_group_no_const *attr_group; - struct attribute **attributes; - struct sm_sysfs_attribute *vendor_attribute; - char *vendor; -diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c -index 7b11243..b3278a3 100644 ---- a/drivers/net/bonding/bond_netlink.c -+++ b/drivers/net/bonding/bond_netlink.c -@@ -585,7 +585,7 @@ nla_put_failure: - return -EMSGSIZE; - } - --struct rtnl_link_ops bond_link_ops __read_mostly = { -+struct rtnl_link_ops bond_link_ops = { - .kind = "bond", - .priv_size = sizeof(struct bonding), - .setup = bond_setup, -diff --git a/drivers/net/caif/caif_hsi.c b/drivers/net/caif/caif_hsi.c -index b3b922a..80bba38 100644 ---- a/drivers/net/caif/caif_hsi.c -+++ b/drivers/net/caif/caif_hsi.c -@@ -1444,7 +1444,7 @@ err: - return -ENODEV; - } - --static struct rtnl_link_ops caif_hsi_link_ops __read_mostly = { -+static struct rtnl_link_ops caif_hsi_link_ops = { - .kind = "cfhsi", - .priv_size = sizeof(struct cfhsi), - .setup = cfhsi_setup, -diff --git a/drivers/net/can/Kconfig b/drivers/net/can/Kconfig -index e8c96b8..516a96c 100644 ---- a/drivers/net/can/Kconfig -+++ b/drivers/net/can/Kconfig -@@ -98,7 +98,7 @@ config CAN_JANZ_ICAN3 - - config CAN_FLEXCAN - tristate "Support for Freescale FLEXCAN based chips" -- depends on ARM || PPC -+ depends on (ARM && CPU_LITTLE_ENDIAN) || PPC - ---help--- - Say Y here if you want to support for Freescale FlexCAN. - -diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c -index aede704..b516b4d 100644 ---- a/drivers/net/can/dev.c -+++ b/drivers/net/can/dev.c -@@ -961,7 +961,7 @@ static int can_newlink(struct net *src_net, struct net_device *dev, - return -EOPNOTSUPP; - } - --static struct rtnl_link_ops can_link_ops __read_mostly = { -+static struct rtnl_link_ops can_link_ops = { - .kind = "can", - .maxtype = IFLA_CAN_MAX, - .policy = can_policy, -diff --git a/drivers/net/can/vcan.c b/drivers/net/can/vcan.c -index 674f367..ec3a31f 100644 ---- a/drivers/net/can/vcan.c -+++ b/drivers/net/can/vcan.c -@@ -163,7 +163,7 @@ static void vcan_setup(struct net_device *dev) - dev->destructor = free_netdev; - } - --static struct rtnl_link_ops vcan_link_ops __read_mostly = { -+static struct rtnl_link_ops vcan_link_ops = { - .kind = "vcan", - .setup = vcan_setup, - }; -diff --git a/drivers/net/dummy.c b/drivers/net/dummy.c -index 49adbf1..fff7ff8 100644 ---- a/drivers/net/dummy.c -+++ b/drivers/net/dummy.c -@@ -164,7 +164,7 @@ static int dummy_validate(struct nlattr *tb[], struct nlattr *data[]) - return 0; - } - --static struct rtnl_link_ops dummy_link_ops __read_mostly = { -+static struct rtnl_link_ops dummy_link_ops = { - .kind = DRV_NAME, - .setup = dummy_setup, - .validate = dummy_validate, -diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c -index 0443654..4f0aa18 100644 ---- a/drivers/net/ethernet/8390/ax88796.c -+++ b/drivers/net/ethernet/8390/ax88796.c -@@ -889,9 +889,11 @@ static int ax_probe(struct platform_device *pdev) - if (ax->plat->reg_offsets) - ei_local->reg_offset = ax->plat->reg_offsets; - else { -+ resource_size_t _mem_size = mem_size; -+ do_div(_mem_size, 0x18); - ei_local->reg_offset = ax->reg_offsets; - for (ret = 0; ret < 0x18; ret++) -- ax->reg_offsets[ret] = (mem_size / 0x18) * ret; -+ ax->reg_offsets[ret] = _mem_size * ret; - } - - if (!request_mem_region(mem->start, mem_size, pdev->name)) { -diff --git a/drivers/net/ethernet/altera/altera_tse_main.c b/drivers/net/ethernet/altera/altera_tse_main.c -index da48e66..2dbec80 100644 ---- a/drivers/net/ethernet/altera/altera_tse_main.c -+++ b/drivers/net/ethernet/altera/altera_tse_main.c -@@ -1256,7 +1256,7 @@ static int tse_shutdown(struct net_device *dev) - return 0; - } - --static struct net_device_ops altera_tse_netdev_ops = { -+static net_device_ops_no_const altera_tse_netdev_ops __read_only = { - .ndo_open = tse_open, - .ndo_stop = tse_shutdown, - .ndo_start_xmit = tse_start_xmit, -@@ -1493,11 +1493,13 @@ static int altera_tse_probe(struct platform_device *pdev) - ndev->netdev_ops = &altera_tse_netdev_ops; - altera_tse_set_ethtool_ops(ndev); - -+ pax_open_kernel(); - altera_tse_netdev_ops.ndo_set_rx_mode = tse_set_rx_mode; - - if (priv->hash_filter) - altera_tse_netdev_ops.ndo_set_rx_mode = - tse_set_rx_mode_hashfilter; -+ pax_close_kernel(); - - /* Scatter/gather IO is not supported, - * so it is turned off -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h -index 34c28aa..5e06567 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h -@@ -1124,14 +1124,14 @@ do { \ - * operations, everything works on mask values. - */ - #define XMDIO_READ(_pdata, _mmd, _reg) \ -- ((_pdata)->hw_if.read_mmd_regs((_pdata), 0, \ -+ ((_pdata)->hw_if->read_mmd_regs((_pdata), 0, \ - MII_ADDR_C45 | (_mmd << 16) | ((_reg) & 0xffff))) - - #define XMDIO_READ_BITS(_pdata, _mmd, _reg, _mask) \ - (XMDIO_READ((_pdata), _mmd, _reg) & _mask) - - #define XMDIO_WRITE(_pdata, _mmd, _reg, _val) \ -- ((_pdata)->hw_if.write_mmd_regs((_pdata), 0, \ -+ ((_pdata)->hw_if->write_mmd_regs((_pdata), 0, \ - MII_ADDR_C45 | (_mmd << 16) | ((_reg) & 0xffff), (_val))) - - #define XMDIO_WRITE_BITS(_pdata, _mmd, _reg, _mask, _val) \ -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c b/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c -index 8a50b01..39c1ad0 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dcb.c -@@ -187,7 +187,7 @@ static int xgbe_dcb_ieee_setets(struct net_device *netdev, - - memcpy(pdata->ets, ets, sizeof(*pdata->ets)); - -- pdata->hw_if.config_dcb_tc(pdata); -+ pdata->hw_if->config_dcb_tc(pdata); - - return 0; - } -@@ -226,7 +226,7 @@ static int xgbe_dcb_ieee_setpfc(struct net_device *netdev, - - memcpy(pdata->pfc, pfc, sizeof(*pdata->pfc)); - -- pdata->hw_if.config_dcb_pfc(pdata); -+ pdata->hw_if->config_dcb_pfc(pdata); - - return 0; - } -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c -index 5c92fb7..08be735 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-desc.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-desc.c -@@ -347,7 +347,7 @@ static int xgbe_map_rx_buffer(struct xgbe_prv_data *pdata, - - static void xgbe_wrapper_tx_descriptor_init(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_data *rdata; -@@ -388,7 +388,7 @@ static void xgbe_wrapper_tx_descriptor_init(struct xgbe_prv_data *pdata) - - static void xgbe_wrapper_rx_descriptor_init(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_desc *rdesc; -@@ -620,17 +620,12 @@ err_out: - return 0; - } - --void xgbe_init_function_ptrs_desc(struct xgbe_desc_if *desc_if) --{ -- DBGPR("-->xgbe_init_function_ptrs_desc\n"); -- -- desc_if->alloc_ring_resources = xgbe_alloc_ring_resources; -- desc_if->free_ring_resources = xgbe_free_ring_resources; -- desc_if->map_tx_skb = xgbe_map_tx_skb; -- desc_if->map_rx_buffer = xgbe_map_rx_buffer; -- desc_if->unmap_rdata = xgbe_unmap_rdata; -- desc_if->wrapper_tx_desc_init = xgbe_wrapper_tx_descriptor_init; -- desc_if->wrapper_rx_desc_init = xgbe_wrapper_rx_descriptor_init; -- -- DBGPR("<--xgbe_init_function_ptrs_desc\n"); --} -+struct xgbe_desc_if default_xgbe_desc_if = { -+ .alloc_ring_resources = xgbe_alloc_ring_resources, -+ .free_ring_resources = xgbe_free_ring_resources, -+ .map_tx_skb = xgbe_map_tx_skb, -+ .map_rx_buffer = xgbe_map_rx_buffer, -+ .unmap_rdata = xgbe_unmap_rdata, -+ .wrapper_tx_desc_init = xgbe_wrapper_tx_descriptor_init, -+ .wrapper_rx_desc_init = xgbe_wrapper_rx_descriptor_init, -+}; -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c -index 21d9497..c74b40f 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c -@@ -2772,7 +2772,7 @@ static void xgbe_powerdown_rx(struct xgbe_prv_data *pdata) - - static int xgbe_init(struct xgbe_prv_data *pdata) - { -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - int ret; - - DBGPR("-->xgbe_init\n"); -@@ -2838,106 +2838,101 @@ static int xgbe_init(struct xgbe_prv_data *pdata) - return 0; - } - --void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *hw_if) --{ -- DBGPR("-->xgbe_init_function_ptrs\n"); -- -- hw_if->tx_complete = xgbe_tx_complete; -- -- hw_if->set_mac_address = xgbe_set_mac_address; -- hw_if->config_rx_mode = xgbe_config_rx_mode; -- -- hw_if->enable_rx_csum = xgbe_enable_rx_csum; -- hw_if->disable_rx_csum = xgbe_disable_rx_csum; -- -- hw_if->enable_rx_vlan_stripping = xgbe_enable_rx_vlan_stripping; -- hw_if->disable_rx_vlan_stripping = xgbe_disable_rx_vlan_stripping; -- hw_if->enable_rx_vlan_filtering = xgbe_enable_rx_vlan_filtering; -- hw_if->disable_rx_vlan_filtering = xgbe_disable_rx_vlan_filtering; -- hw_if->update_vlan_hash_table = xgbe_update_vlan_hash_table; -- -- hw_if->read_mmd_regs = xgbe_read_mmd_regs; -- hw_if->write_mmd_regs = xgbe_write_mmd_regs; -- -- hw_if->set_gmii_speed = xgbe_set_gmii_speed; -- hw_if->set_gmii_2500_speed = xgbe_set_gmii_2500_speed; -- hw_if->set_xgmii_speed = xgbe_set_xgmii_speed; -- -- hw_if->enable_tx = xgbe_enable_tx; -- hw_if->disable_tx = xgbe_disable_tx; -- hw_if->enable_rx = xgbe_enable_rx; -- hw_if->disable_rx = xgbe_disable_rx; -- -- hw_if->powerup_tx = xgbe_powerup_tx; -- hw_if->powerdown_tx = xgbe_powerdown_tx; -- hw_if->powerup_rx = xgbe_powerup_rx; -- hw_if->powerdown_rx = xgbe_powerdown_rx; -- -- hw_if->dev_xmit = xgbe_dev_xmit; -- hw_if->dev_read = xgbe_dev_read; -- hw_if->enable_int = xgbe_enable_int; -- hw_if->disable_int = xgbe_disable_int; -- hw_if->init = xgbe_init; -- hw_if->exit = xgbe_exit; -+struct xgbe_hw_if default_xgbe_hw_if = { -+ .tx_complete = xgbe_tx_complete, -+ -+ .set_mac_address = xgbe_set_mac_address, -+ .config_rx_mode = xgbe_config_rx_mode, -+ -+ .enable_rx_csum = xgbe_enable_rx_csum, -+ .disable_rx_csum = xgbe_disable_rx_csum, -+ -+ .enable_rx_vlan_stripping = xgbe_enable_rx_vlan_stripping, -+ .disable_rx_vlan_stripping = xgbe_disable_rx_vlan_stripping, -+ .enable_rx_vlan_filtering = xgbe_enable_rx_vlan_filtering, -+ .disable_rx_vlan_filtering = xgbe_disable_rx_vlan_filtering, -+ .update_vlan_hash_table = xgbe_update_vlan_hash_table, -+ -+ .read_mmd_regs = xgbe_read_mmd_regs, -+ .write_mmd_regs = xgbe_write_mmd_regs, -+ -+ .set_gmii_speed = xgbe_set_gmii_speed, -+ .set_gmii_2500_speed = xgbe_set_gmii_2500_speed, -+ .set_xgmii_speed = xgbe_set_xgmii_speed, -+ -+ .enable_tx = xgbe_enable_tx, -+ .disable_tx = xgbe_disable_tx, -+ .enable_rx = xgbe_enable_rx, -+ .disable_rx = xgbe_disable_rx, -+ -+ .powerup_tx = xgbe_powerup_tx, -+ .powerdown_tx = xgbe_powerdown_tx, -+ .powerup_rx = xgbe_powerup_rx, -+ .powerdown_rx = xgbe_powerdown_rx, -+ -+ .dev_xmit = xgbe_dev_xmit, -+ .dev_read = xgbe_dev_read, -+ .enable_int = xgbe_enable_int, -+ .disable_int = xgbe_disable_int, -+ .init = xgbe_init, -+ .exit = xgbe_exit, - - /* Descriptor related Sequences have to be initialized here */ -- hw_if->tx_desc_init = xgbe_tx_desc_init; -- hw_if->rx_desc_init = xgbe_rx_desc_init; -- hw_if->tx_desc_reset = xgbe_tx_desc_reset; -- hw_if->rx_desc_reset = xgbe_rx_desc_reset; -- hw_if->is_last_desc = xgbe_is_last_desc; -- hw_if->is_context_desc = xgbe_is_context_desc; -- hw_if->tx_start_xmit = xgbe_tx_start_xmit; -+ .tx_desc_init = xgbe_tx_desc_init, -+ .rx_desc_init = xgbe_rx_desc_init, -+ .tx_desc_reset = xgbe_tx_desc_reset, -+ .rx_desc_reset = xgbe_rx_desc_reset, -+ .is_last_desc = xgbe_is_last_desc, -+ .is_context_desc = xgbe_is_context_desc, -+ .tx_start_xmit = xgbe_tx_start_xmit, - - /* For FLOW ctrl */ -- hw_if->config_tx_flow_control = xgbe_config_tx_flow_control; -- hw_if->config_rx_flow_control = xgbe_config_rx_flow_control; -+ .config_tx_flow_control = xgbe_config_tx_flow_control, -+ .config_rx_flow_control = xgbe_config_rx_flow_control, - - /* For RX coalescing */ -- hw_if->config_rx_coalesce = xgbe_config_rx_coalesce; -- hw_if->config_tx_coalesce = xgbe_config_tx_coalesce; -- hw_if->usec_to_riwt = xgbe_usec_to_riwt; -- hw_if->riwt_to_usec = xgbe_riwt_to_usec; -+ .config_rx_coalesce = xgbe_config_rx_coalesce, -+ .config_tx_coalesce = xgbe_config_tx_coalesce, -+ .usec_to_riwt = xgbe_usec_to_riwt, -+ .riwt_to_usec = xgbe_riwt_to_usec, - - /* For RX and TX threshold config */ -- hw_if->config_rx_threshold = xgbe_config_rx_threshold; -- hw_if->config_tx_threshold = xgbe_config_tx_threshold; -+ .config_rx_threshold = xgbe_config_rx_threshold, -+ .config_tx_threshold = xgbe_config_tx_threshold, - - /* For RX and TX Store and Forward Mode config */ -- hw_if->config_rsf_mode = xgbe_config_rsf_mode; -- hw_if->config_tsf_mode = xgbe_config_tsf_mode; -+ .config_rsf_mode = xgbe_config_rsf_mode, -+ .config_tsf_mode = xgbe_config_tsf_mode, - - /* For TX DMA Operating on Second Frame config */ -- hw_if->config_osp_mode = xgbe_config_osp_mode; -+ .config_osp_mode = xgbe_config_osp_mode, - - /* For RX and TX PBL config */ -- hw_if->config_rx_pbl_val = xgbe_config_rx_pbl_val; -- hw_if->get_rx_pbl_val = xgbe_get_rx_pbl_val; -- hw_if->config_tx_pbl_val = xgbe_config_tx_pbl_val; -- hw_if->get_tx_pbl_val = xgbe_get_tx_pbl_val; -- hw_if->config_pblx8 = xgbe_config_pblx8; -+ .config_rx_pbl_val = xgbe_config_rx_pbl_val, -+ .get_rx_pbl_val = xgbe_get_rx_pbl_val, -+ .config_tx_pbl_val = xgbe_config_tx_pbl_val, -+ .get_tx_pbl_val = xgbe_get_tx_pbl_val, -+ .config_pblx8 = xgbe_config_pblx8, - - /* For MMC statistics support */ -- hw_if->tx_mmc_int = xgbe_tx_mmc_int; -- hw_if->rx_mmc_int = xgbe_rx_mmc_int; -- hw_if->read_mmc_stats = xgbe_read_mmc_stats; -+ .tx_mmc_int = xgbe_tx_mmc_int, -+ .rx_mmc_int = xgbe_rx_mmc_int, -+ .read_mmc_stats = xgbe_read_mmc_stats, - - /* For PTP config */ -- hw_if->config_tstamp = xgbe_config_tstamp; -- hw_if->update_tstamp_addend = xgbe_update_tstamp_addend; -- hw_if->set_tstamp_time = xgbe_set_tstamp_time; -- hw_if->get_tstamp_time = xgbe_get_tstamp_time; -- hw_if->get_tx_tstamp = xgbe_get_tx_tstamp; -+ .config_tstamp = xgbe_config_tstamp, -+ .update_tstamp_addend = xgbe_update_tstamp_addend, -+ .set_tstamp_time = xgbe_set_tstamp_time, -+ .get_tstamp_time = xgbe_get_tstamp_time, -+ .get_tx_tstamp = xgbe_get_tx_tstamp, - - /* For Data Center Bridging config */ -- hw_if->config_dcb_tc = xgbe_config_dcb_tc; -- hw_if->config_dcb_pfc = xgbe_config_dcb_pfc; -+ .config_dcb_tc = xgbe_config_dcb_tc, -+ .config_dcb_pfc = xgbe_config_dcb_pfc, - - /* For Receive Side Scaling */ -- hw_if->enable_rss = xgbe_enable_rss; -- hw_if->disable_rss = xgbe_disable_rss; -- hw_if->set_rss_hash_key = xgbe_set_rss_hash_key; -- hw_if->set_rss_lookup_table = xgbe_set_rss_lookup_table; -- -- DBGPR("<--xgbe_init_function_ptrs\n"); --} -+ .enable_rss = xgbe_enable_rss, -+ .disable_rss = xgbe_disable_rss, -+ .set_rss_hash_key = xgbe_set_rss_hash_key, -+ .set_rss_lookup_table = xgbe_set_rss_lookup_table, -+}; -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c -index 9fd6c69..588ff02 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c -@@ -243,7 +243,7 @@ static int xgbe_maybe_stop_tx_queue(struct xgbe_channel *channel, - * support, tell it now - */ - if (ring->tx.xmit_more) -- pdata->hw_if.tx_start_xmit(channel, ring); -+ pdata->hw_if->tx_start_xmit(channel, ring); - - return NETDEV_TX_BUSY; - } -@@ -271,7 +271,7 @@ static int xgbe_calc_rx_buf_size(struct net_device *netdev, unsigned int mtu) - - static void xgbe_enable_rx_tx_ints(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - enum xgbe_int int_id; - unsigned int i; -@@ -293,7 +293,7 @@ static void xgbe_enable_rx_tx_ints(struct xgbe_prv_data *pdata) - - static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - enum xgbe_int int_id; - unsigned int i; -@@ -316,7 +316,7 @@ static void xgbe_disable_rx_tx_ints(struct xgbe_prv_data *pdata) - static irqreturn_t xgbe_isr(int irq, void *data) - { - struct xgbe_prv_data *pdata = data; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - unsigned int dma_isr, dma_ch_isr; - unsigned int mac_isr, mac_tssr; -@@ -682,7 +682,7 @@ static void xgbe_free_irqs(struct xgbe_prv_data *pdata) - - void xgbe_init_tx_coalesce(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->xgbe_init_tx_coalesce\n"); - -@@ -696,7 +696,7 @@ void xgbe_init_tx_coalesce(struct xgbe_prv_data *pdata) - - void xgbe_init_rx_coalesce(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->xgbe_init_rx_coalesce\n"); - -@@ -711,7 +711,7 @@ void xgbe_init_rx_coalesce(struct xgbe_prv_data *pdata) - - static void xgbe_free_tx_data(struct xgbe_prv_data *pdata) - { -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_data *rdata; -@@ -736,7 +736,7 @@ static void xgbe_free_tx_data(struct xgbe_prv_data *pdata) - - static void xgbe_free_rx_data(struct xgbe_prv_data *pdata) - { -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_ring_data *rdata; -@@ -762,7 +762,7 @@ static void xgbe_free_rx_data(struct xgbe_prv_data *pdata) - static void xgbe_adjust_link(struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct phy_device *phydev = pdata->phydev; - int new_state = 0; - -@@ -870,7 +870,7 @@ static void xgbe_phy_exit(struct xgbe_prv_data *pdata) - int xgbe_powerdown(struct net_device *netdev, unsigned int caller) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned long flags; - - DBGPR("-->xgbe_powerdown\n"); -@@ -908,7 +908,7 @@ int xgbe_powerdown(struct net_device *netdev, unsigned int caller) - int xgbe_powerup(struct net_device *netdev, unsigned int caller) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned long flags; - - DBGPR("-->xgbe_powerup\n"); -@@ -945,7 +945,7 @@ int xgbe_powerup(struct net_device *netdev, unsigned int caller) - - static int xgbe_start(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct net_device *netdev = pdata->netdev; - int ret; - -@@ -984,7 +984,7 @@ err_napi: - - static void xgbe_stop(struct xgbe_prv_data *pdata) - { -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_channel *channel; - struct net_device *netdev = pdata->netdev; - struct netdev_queue *txq; -@@ -1211,7 +1211,7 @@ static int xgbe_set_hwtstamp_settings(struct xgbe_prv_data *pdata, - return -ERANGE; - } - -- pdata->hw_if.config_tstamp(pdata, mac_tscr); -+ pdata->hw_if->config_tstamp(pdata, mac_tscr); - - memcpy(&pdata->tstamp_config, &config, sizeof(config)); - -@@ -1360,7 +1360,7 @@ static void xgbe_packet_info(struct xgbe_prv_data *pdata, - static int xgbe_open(struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - int ret; - - DBGPR("-->xgbe_open\n"); -@@ -1432,7 +1432,7 @@ err_phy_init: - static int xgbe_close(struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - - DBGPR("-->xgbe_close\n"); - -@@ -1460,8 +1460,8 @@ static int xgbe_close(struct net_device *netdev) - static int xgbe_xmit(struct sk_buff *skb, struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_channel *channel; - struct xgbe_ring *ring; - struct xgbe_packet_data *packet; -@@ -1529,7 +1529,7 @@ tx_netdev_return: - static void xgbe_set_rx_mode(struct net_device *netdev) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->xgbe_set_rx_mode\n"); - -@@ -1541,7 +1541,7 @@ static void xgbe_set_rx_mode(struct net_device *netdev) - static int xgbe_set_mac_address(struct net_device *netdev, void *addr) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct sockaddr *saddr = addr; - - DBGPR("-->xgbe_set_mac_address\n"); -@@ -1616,7 +1616,7 @@ static struct rtnl_link_stats64 *xgbe_get_stats64(struct net_device *netdev, - - DBGPR("-->%s\n", __func__); - -- pdata->hw_if.read_mmc_stats(pdata); -+ pdata->hw_if->read_mmc_stats(pdata); - - s->rx_packets = pstats->rxframecount_gb; - s->rx_bytes = pstats->rxoctetcount_gb; -@@ -1643,7 +1643,7 @@ static int xgbe_vlan_rx_add_vid(struct net_device *netdev, __be16 proto, - u16 vid) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->%s\n", __func__); - -@@ -1659,7 +1659,7 @@ static int xgbe_vlan_rx_kill_vid(struct net_device *netdev, __be16 proto, - u16 vid) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - - DBGPR("-->%s\n", __func__); - -@@ -1725,7 +1725,7 @@ static int xgbe_set_features(struct net_device *netdev, - netdev_features_t features) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - netdev_features_t rxhash, rxcsum, rxvlan, rxvlan_filter; - int ret = 0; - -@@ -1791,8 +1791,8 @@ struct net_device_ops *xgbe_get_netdev_ops(void) - static void xgbe_rx_refresh(struct xgbe_channel *channel) - { - struct xgbe_prv_data *pdata = channel->pdata; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_ring *ring = channel->rx_ring; - struct xgbe_ring_data *rdata; - -@@ -1847,8 +1847,8 @@ static struct sk_buff *xgbe_create_skb(struct napi_struct *napi, - static int xgbe_tx_poll(struct xgbe_channel *channel) - { - struct xgbe_prv_data *pdata = channel->pdata; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -- struct xgbe_desc_if *desc_if = &pdata->desc_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; -+ struct xgbe_desc_if *desc_if = pdata->desc_if; - struct xgbe_ring *ring = channel->tx_ring; - struct xgbe_ring_data *rdata; - struct xgbe_ring_desc *rdesc; -@@ -1913,7 +1913,7 @@ static int xgbe_tx_poll(struct xgbe_channel *channel) - static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) - { - struct xgbe_prv_data *pdata = channel->pdata; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - struct xgbe_ring *ring = channel->rx_ring; - struct xgbe_ring_data *rdata; - struct xgbe_packet_data *packet; -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c -index 5f149e8..6736bf4 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ethtool.c -@@ -203,7 +203,7 @@ static void xgbe_get_ethtool_stats(struct net_device *netdev, - - DBGPR("-->%s\n", __func__); - -- pdata->hw_if.read_mmc_stats(pdata); -+ pdata->hw_if->read_mmc_stats(pdata); - for (i = 0; i < XGBE_STATS_COUNT; i++) { - stat = (u8 *)pdata + xgbe_gstring_stats[i].stat_offset; - *data++ = *(u64 *)stat; -@@ -396,7 +396,7 @@ static int xgbe_set_coalesce(struct net_device *netdev, - struct ethtool_coalesce *ec) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned int rx_frames, rx_riwt, rx_usecs; - unsigned int tx_frames; - -@@ -521,7 +521,7 @@ static int xgbe_set_rxfh(struct net_device *netdev, const u32 *indir, - const u8 *key, const u8 hfunc) - { - struct xgbe_prv_data *pdata = netdev_priv(netdev); -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - unsigned int ret; - - if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-main.c b/drivers/net/ethernet/amd/xgbe/xgbe-main.c -index 7149053..889c5492 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-main.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-main.c -@@ -159,12 +159,6 @@ static void xgbe_default_config(struct xgbe_prv_data *pdata) - DBGPR("<--xgbe_default_config\n"); - } - --static void xgbe_init_all_fptrs(struct xgbe_prv_data *pdata) --{ -- xgbe_init_function_ptrs_dev(&pdata->hw_if); -- xgbe_init_function_ptrs_desc(&pdata->desc_if); --} -- - #ifdef CONFIG_ACPI - static int xgbe_acpi_support(struct xgbe_prv_data *pdata) - { -@@ -387,9 +381,8 @@ static int xgbe_probe(struct platform_device *pdev) - memcpy(netdev->dev_addr, pdata->mac_addr, netdev->addr_len); - - /* Set all the function pointers */ -- xgbe_init_all_fptrs(pdata); -- hw_if = &pdata->hw_if; -- desc_if = &pdata->desc_if; -+ hw_if = pdata->hw_if = &default_xgbe_hw_if; -+ desc_if = pdata->desc_if = &default_xgbe_desc_if; - - /* Issue software reset to device */ - hw_if->exit(pdata); -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c -index 59e267f..0842a88 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-mdio.c -@@ -126,7 +126,7 @@ - static int xgbe_mdio_read(struct mii_bus *mii, int prtad, int mmd_reg) - { - struct xgbe_prv_data *pdata = mii->priv; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - int mmd_data; - - DBGPR_MDIO("-->xgbe_mdio_read: prtad=%#x mmd_reg=%#x\n", -@@ -143,7 +143,7 @@ static int xgbe_mdio_write(struct mii_bus *mii, int prtad, int mmd_reg, - u16 mmd_val) - { - struct xgbe_prv_data *pdata = mii->priv; -- struct xgbe_hw_if *hw_if = &pdata->hw_if; -+ struct xgbe_hw_if *hw_if = pdata->hw_if; - int mmd_data = mmd_val; - - DBGPR_MDIO("-->xgbe_mdio_write: prtad=%#x mmd_reg=%#x mmd_data=%#x\n", -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c -index b03e4f5..78e4cc4 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c -+++ b/drivers/net/ethernet/amd/xgbe/xgbe-ptp.c -@@ -129,7 +129,7 @@ static cycle_t xgbe_cc_read(const struct cyclecounter *cc) - tstamp_cc); - u64 nsec; - -- nsec = pdata->hw_if.get_tstamp_time(pdata); -+ nsec = pdata->hw_if->get_tstamp_time(pdata); - - return nsec; - } -@@ -158,7 +158,7 @@ static int xgbe_adjfreq(struct ptp_clock_info *info, s32 delta) - - spin_lock_irqsave(&pdata->tstamp_lock, flags); - -- pdata->hw_if.update_tstamp_addend(pdata, addend); -+ pdata->hw_if->update_tstamp_addend(pdata, addend); - - spin_unlock_irqrestore(&pdata->tstamp_lock, flags); - -diff --git a/drivers/net/ethernet/amd/xgbe/xgbe.h b/drivers/net/ethernet/amd/xgbe/xgbe.h -index e62dfa2..7df28d5 100644 ---- a/drivers/net/ethernet/amd/xgbe/xgbe.h -+++ b/drivers/net/ethernet/amd/xgbe/xgbe.h -@@ -673,8 +673,8 @@ struct xgbe_prv_data { - int dev_irq; - unsigned int per_channel_irq; - -- struct xgbe_hw_if hw_if; -- struct xgbe_desc_if desc_if; -+ struct xgbe_hw_if *hw_if; -+ struct xgbe_desc_if *desc_if; - - /* AXI DMA settings */ - unsigned int coherent; -@@ -797,6 +797,9 @@ struct xgbe_prv_data { - #endif - }; - -+extern struct xgbe_hw_if default_xgbe_hw_if; -+extern struct xgbe_desc_if default_xgbe_desc_if; -+ - /* Function prototypes*/ - - void xgbe_init_function_ptrs_dev(struct xgbe_hw_if *); -diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c -index 783543a..a472348 100644 ---- a/drivers/net/ethernet/broadcom/bcmsysport.c -+++ b/drivers/net/ethernet/broadcom/bcmsysport.c -@@ -1721,7 +1721,7 @@ static int bcm_sysport_probe(struct platform_device *pdev) - macaddr = of_get_mac_address(dn); - if (!macaddr || !is_valid_ether_addr(macaddr)) { - dev_warn(&pdev->dev, "using random Ethernet MAC\n"); -- random_ether_addr(dev->dev_addr); -+ eth_hw_addr_random(dev); - } else { - ether_addr_copy(dev->dev_addr, macaddr); - } -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -index d7a7175..7011194 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h -@@ -1065,7 +1065,7 @@ static inline u8 bnx2x_get_path_func_num(struct bnx2x *bp) - static inline void bnx2x_init_bp_objs(struct bnx2x *bp) - { - /* RX_MODE controlling object */ -- bnx2x_init_rx_mode_obj(bp, &bp->rx_mode_obj); -+ bnx2x_init_rx_mode_obj(bp); - - /* multicast configuration controlling object */ - bnx2x_init_mcast_obj(bp, &bp->mcast_obj, bp->fp->cl_id, bp->fp->cid, -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -index 07cdf9b..b08ecc7 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.c -@@ -2329,15 +2329,14 @@ int bnx2x_config_rx_mode(struct bnx2x *bp, - return rc; - } - --void bnx2x_init_rx_mode_obj(struct bnx2x *bp, -- struct bnx2x_rx_mode_obj *o) -+void bnx2x_init_rx_mode_obj(struct bnx2x *bp) - { - if (CHIP_IS_E1x(bp)) { -- o->wait_comp = bnx2x_empty_rx_mode_wait; -- o->config_rx_mode = bnx2x_set_rx_mode_e1x; -+ bp->rx_mode_obj.wait_comp = bnx2x_empty_rx_mode_wait; -+ bp->rx_mode_obj.config_rx_mode = bnx2x_set_rx_mode_e1x; - } else { -- o->wait_comp = bnx2x_wait_rx_mode_comp_e2; -- o->config_rx_mode = bnx2x_set_rx_mode_e2; -+ bp->rx_mode_obj.wait_comp = bnx2x_wait_rx_mode_comp_e2; -+ bp->rx_mode_obj.config_rx_mode = bnx2x_set_rx_mode_e2; - } - } - -diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h -index 86baecb..ff3bb46 100644 ---- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h -+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sp.h -@@ -1411,8 +1411,7 @@ int bnx2x_vlan_mac_move(struct bnx2x *bp, - - /********************* RX MODE ****************/ - --void bnx2x_init_rx_mode_obj(struct bnx2x *bp, -- struct bnx2x_rx_mode_obj *o); -+void bnx2x_init_rx_mode_obj(struct bnx2x *bp); - - /** - * bnx2x_config_rx_mode - Send and RX_MODE ramrod according to the provided parameters. -diff --git a/drivers/net/ethernet/broadcom/tg3.h b/drivers/net/ethernet/broadcom/tg3.h -index 31c9f82..e65e986 100644 ---- a/drivers/net/ethernet/broadcom/tg3.h -+++ b/drivers/net/ethernet/broadcom/tg3.h -@@ -150,6 +150,7 @@ - #define CHIPREV_ID_5750_A0 0x4000 - #define CHIPREV_ID_5750_A1 0x4001 - #define CHIPREV_ID_5750_A3 0x4003 -+#define CHIPREV_ID_5750_C1 0x4201 - #define CHIPREV_ID_5750_C2 0x4202 - #define CHIPREV_ID_5752_A0_HW 0x5000 - #define CHIPREV_ID_5752_A0 0x6000 -diff --git a/drivers/net/ethernet/brocade/bna/bna_enet.c b/drivers/net/ethernet/brocade/bna/bna_enet.c -index deb8da6..45d473b 100644 ---- a/drivers/net/ethernet/brocade/bna/bna_enet.c -+++ b/drivers/net/ethernet/brocade/bna/bna_enet.c -@@ -1694,10 +1694,10 @@ bna_cb_ioceth_reset(void *arg) - } - - static struct bfa_ioc_cbfn bna_ioceth_cbfn = { -- bna_cb_ioceth_enable, -- bna_cb_ioceth_disable, -- bna_cb_ioceth_hbfail, -- bna_cb_ioceth_reset -+ .enable_cbfn = bna_cb_ioceth_enable, -+ .disable_cbfn = bna_cb_ioceth_disable, -+ .hbfail_cbfn = bna_cb_ioceth_hbfail, -+ .reset_cbfn = bna_cb_ioceth_reset - }; - - static void bna_attr_init(struct bna_ioceth *ioceth) -diff --git a/drivers/net/ethernet/chelsio/cxgb3/l2t.h b/drivers/net/ethernet/chelsio/cxgb3/l2t.h -index 8cffcdf..aadf043 100644 ---- a/drivers/net/ethernet/chelsio/cxgb3/l2t.h -+++ b/drivers/net/ethernet/chelsio/cxgb3/l2t.h -@@ -87,7 +87,7 @@ typedef void (*arp_failure_handler_func)(struct t3cdev * dev, - */ - struct l2t_skb_cb { - arp_failure_handler_func arp_failure_handler; --}; -+} __no_const; - - #define L2T_SKB_CB(skb) ((struct l2t_skb_cb *)(skb)->cb) - -diff --git a/drivers/net/ethernet/dec/tulip/de4x5.c b/drivers/net/ethernet/dec/tulip/de4x5.c -index badff18..e15c4ec 100644 ---- a/drivers/net/ethernet/dec/tulip/de4x5.c -+++ b/drivers/net/ethernet/dec/tulip/de4x5.c -@@ -5373,7 +5373,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) - for (i=0; i<ETH_ALEN; i++) { - tmp.addr[i] = dev->dev_addr[i]; - } -- if (copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT; -+ if (ioc->len > sizeof tmp.addr || copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT; - break; - - case DE4X5_SET_HWADDR: /* Set the hardware address */ -@@ -5413,7 +5413,7 @@ de4x5_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) - spin_lock_irqsave(&lp->lock, flags); - memcpy(&statbuf, &lp->pktStats, ioc->len); - spin_unlock_irqrestore(&lp->lock, flags); -- if (copy_to_user(ioc->data, &statbuf, ioc->len)) -+ if (ioc->len > sizeof statbuf || copy_to_user(ioc->data, &statbuf, ioc->len)) - return -EFAULT; - break; - } -diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c -index e43cc8a..f1cf67c 100644 ---- a/drivers/net/ethernet/emulex/benet/be_main.c -+++ b/drivers/net/ethernet/emulex/benet/be_main.c -@@ -539,7 +539,7 @@ static void accumulate_16bit_val(u32 *acc, u16 val) - - if (wrapped) - newacc += 65536; -- ACCESS_ONCE(*acc) = newacc; -+ ACCESS_ONCE_RW(*acc) = newacc; - } - - static void populate_erx_stats(struct be_adapter *adapter, -diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c -index 6d0c5d5..55be363 100644 ---- a/drivers/net/ethernet/faraday/ftgmac100.c -+++ b/drivers/net/ethernet/faraday/ftgmac100.c -@@ -30,6 +30,8 @@ - #include <linux/netdevice.h> - #include <linux/phy.h> - #include <linux/platform_device.h> -+#include <linux/interrupt.h> -+#include <linux/irqreturn.h> - #include <net/ip.h> - - #include "ftgmac100.h" -diff --git a/drivers/net/ethernet/faraday/ftmac100.c b/drivers/net/ethernet/faraday/ftmac100.c -index dce5f7b..2433466 100644 ---- a/drivers/net/ethernet/faraday/ftmac100.c -+++ b/drivers/net/ethernet/faraday/ftmac100.c -@@ -31,6 +31,8 @@ - #include <linux/module.h> - #include <linux/netdevice.h> - #include <linux/platform_device.h> -+#include <linux/interrupt.h> -+#include <linux/irqreturn.h> - - #include "ftmac100.h" - -diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_main.c b/drivers/net/ethernet/intel/fm10k/fm10k_main.c -index c754b20..c9da1b5 100644 ---- a/drivers/net/ethernet/intel/fm10k/fm10k_main.c -+++ b/drivers/net/ethernet/intel/fm10k/fm10k_main.c -@@ -216,7 +216,7 @@ static void fm10k_reuse_rx_page(struct fm10k_ring *rx_ring, - - static inline bool fm10k_page_is_reserved(struct page *page) - { -- return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; -+ return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); - } - - static bool fm10k_can_reuse_rx_page(struct fm10k_rx_buffer *rx_buffer, -diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c -index a92b772..250fe69 100644 ---- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c -+++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c -@@ -419,7 +419,7 @@ void i40e_ptp_set_increment(struct i40e_pf *pf) - wr32(hw, I40E_PRTTSYN_INC_H, incval >> 32); - - /* Update the base adjustement value. */ -- ACCESS_ONCE(pf->ptp_base_adj) = incval; -+ ACCESS_ONCE_RW(pf->ptp_base_adj) = incval; - smp_mb(); /* Force the above update. */ - } - -diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c -index a0a9b1f..3fe93e7 100644 ---- a/drivers/net/ethernet/intel/igb/igb_main.c -+++ b/drivers/net/ethernet/intel/igb/igb_main.c -@@ -6584,7 +6584,7 @@ static void igb_reuse_rx_page(struct igb_ring *rx_ring, - - static inline bool igb_page_is_reserved(struct page *page) - { -- return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; -+ return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); - } - - static bool igb_can_reuse_rx_page(struct igb_rx_buffer *rx_buffer, -diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c -index 5be12a0..463ff47 100644 ---- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c -+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c -@@ -1829,7 +1829,7 @@ static void ixgbe_reuse_rx_page(struct ixgbe_ring *rx_ring, - - static inline bool ixgbe_page_is_reserved(struct page *page) - { -- return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; -+ return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); - } - - /** -diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -index e5ba040..d47531c 100644 ---- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c -@@ -782,7 +782,7 @@ void ixgbe_ptp_start_cyclecounter(struct ixgbe_adapter *adapter) - } - - /* update the base incval used to calculate frequency adjustment */ -- ACCESS_ONCE(adapter->base_incval) = incval; -+ ACCESS_ONCE_RW(adapter->base_incval) = incval; - smp_mb(); - - /* need lock to prevent incorrect read while modifying cyclecounter */ -diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c -index e71cdde..1d7b00b 100644 ---- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c -+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c -@@ -765,7 +765,7 @@ static void ixgbevf_reuse_rx_page(struct ixgbevf_ring *rx_ring, - - static inline bool ixgbevf_page_is_reserved(struct page *page) - { -- return (page_to_nid(page) != numa_mem_id()) || page->pfmemalloc; -+ return (page_to_nid(page) != numa_mem_id()) || page_is_pfmemalloc(page); - } - - /** -diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c -index 74d0389..086ac03 100644 ---- a/drivers/net/ethernet/marvell/mvneta.c -+++ b/drivers/net/ethernet/marvell/mvneta.c -@@ -1462,7 +1462,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - struct mvneta_rx_queue *rxq) - { - struct net_device *dev = pp->dev; -- int rx_done, rx_filled; -+ int rx_done; - u32 rcvd_pkts = 0; - u32 rcvd_bytes = 0; - -@@ -1473,7 +1473,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - rx_todo = rx_done; - - rx_done = 0; -- rx_filled = 0; - - /* Fairness NAPI loop */ - while (rx_done < rx_todo) { -@@ -1484,7 +1483,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - int rx_bytes, err; - - rx_done++; -- rx_filled++; - rx_status = rx_desc->status; - rx_bytes = rx_desc->data_size - (ETH_FCS_LEN + MVNETA_MH_SIZE); - data = (unsigned char *)rx_desc->buf_cookie; -@@ -1524,6 +1522,14 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - continue; - } - -+ /* Refill processing */ -+ err = mvneta_rx_refill(pp, rx_desc); -+ if (err) { -+ netdev_err(dev, "Linux processing - Can't refill\n"); -+ rxq->missed++; -+ goto err_drop_frame; -+ } -+ - skb = build_skb(data, pp->frag_size > PAGE_SIZE ? 0 : pp->frag_size); - if (!skb) - goto err_drop_frame; -@@ -1543,14 +1549,6 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - mvneta_rx_csum(pp, rx_status, skb); - - napi_gro_receive(&pp->napi, skb); -- -- /* Refill processing */ -- err = mvneta_rx_refill(pp, rx_desc); -- if (err) { -- netdev_err(dev, "Linux processing - Can't refill\n"); -- rxq->missed++; -- rx_filled--; -- } - } - - if (rcvd_pkts) { -@@ -1563,7 +1561,7 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo, - } - - /* Update rxq management counters */ -- mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_filled); -+ mvneta_rxq_desc_num_update(pp, rxq, rx_done, rx_done); - - return rx_done; - } -diff --git a/drivers/net/ethernet/mellanox/mlx4/en_tx.c b/drivers/net/ethernet/mellanox/mlx4/en_tx.c -index c10d98f..72914c6 100644 ---- a/drivers/net/ethernet/mellanox/mlx4/en_tx.c -+++ b/drivers/net/ethernet/mellanox/mlx4/en_tx.c -@@ -475,8 +475,8 @@ static bool mlx4_en_process_tx_cq(struct net_device *dev, - wmb(); - - /* we want to dirty this cache line once */ -- ACCESS_ONCE(ring->last_nr_txbb) = last_nr_txbb; -- ACCESS_ONCE(ring->cons) = ring_cons + txbbs_skipped; -+ ACCESS_ONCE_RW(ring->last_nr_txbb) = last_nr_txbb; -+ ACCESS_ONCE_RW(ring->cons) = ring_cons + txbbs_skipped; - - netdev_tx_completed_queue(ring->tx_queue, packets, bytes); - -diff --git a/drivers/net/ethernet/neterion/vxge/vxge-config.c b/drivers/net/ethernet/neterion/vxge/vxge-config.c -index 6223930..975033d 100644 ---- a/drivers/net/ethernet/neterion/vxge/vxge-config.c -+++ b/drivers/net/ethernet/neterion/vxge/vxge-config.c -@@ -3457,7 +3457,10 @@ __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, - struct __vxge_hw_fifo *fifo; - struct vxge_hw_fifo_config *config; - u32 txdl_size, txdl_per_memblock; -- struct vxge_hw_mempool_cbs fifo_mp_callback; -+ static struct vxge_hw_mempool_cbs fifo_mp_callback = { -+ .item_func_alloc = __vxge_hw_fifo_mempool_item_alloc, -+ }; -+ - struct __vxge_hw_virtualpath *vpath; - - if ((vp == NULL) || (attr == NULL)) { -@@ -3540,8 +3543,6 @@ __vxge_hw_fifo_create(struct __vxge_hw_vpath_handle *vp, - goto exit; - } - -- fifo_mp_callback.item_func_alloc = __vxge_hw_fifo_mempool_item_alloc; -- - fifo->mempool = - __vxge_hw_mempool_create(vpath->hldev, - fifo->config->memblock_size, -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c -index 33669c2..674c39a 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c -@@ -1415,7 +1415,7 @@ static int qlcnic_83xx_copy_fw_file(struct qlcnic_adapter *adapter) - if (fw->size & 0xF) { - addr = dest + size; - for (i = 0; i < (fw->size & 0xF); i++) -- data[i] = temp[size + i]; -+ data[i] = ((u8 *)temp)[size + i]; - for (; i < 16; i++) - data[i] = 0; - ret = qlcnic_ms_mem_write128(adapter, addr, -@@ -2324,7 +2324,9 @@ int qlcnic_83xx_configure_opmode(struct qlcnic_adapter *adapter) - max_tx_rings = QLCNIC_MAX_VNIC_TX_RINGS; - } else if (ret == QLC_83XX_DEFAULT_OPMODE) { - ahw->nic_mode = QLCNIC_DEFAULT_MODE; -- adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver; -+ pax_open_kernel(); -+ *(void **)&adapter->nic_ops->init_driver = qlcnic_83xx_init_default_driver; -+ pax_close_kernel(); - ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; - max_sds_rings = QLCNIC_MAX_SDS_RINGS; - max_tx_rings = QLCNIC_MAX_TX_RINGS; -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -index be7d7a6..a8983f8 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c -@@ -207,17 +207,23 @@ int qlcnic_83xx_config_vnic_opmode(struct qlcnic_adapter *adapter) - case QLCNIC_NON_PRIV_FUNC: - ahw->op_mode = QLCNIC_NON_PRIV_FUNC; - ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; -- nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic; -+ pax_open_kernel(); -+ *(void **)&nic_ops->init_driver = qlcnic_83xx_init_non_privileged_vnic; -+ pax_close_kernel(); - break; - case QLCNIC_PRIV_FUNC: - ahw->op_mode = QLCNIC_PRIV_FUNC; - ahw->idc.state_entry = qlcnic_83xx_idc_vnic_pf_entry; -- nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic; -+ pax_open_kernel(); -+ *(void **)&nic_ops->init_driver = qlcnic_83xx_init_privileged_vnic; -+ pax_close_kernel(); - break; - case QLCNIC_MGMT_FUNC: - ahw->op_mode = QLCNIC_MGMT_FUNC; - ahw->idc.state_entry = qlcnic_83xx_idc_ready_state_entry; -- nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic; -+ pax_open_kernel(); -+ *(void **)&nic_ops->init_driver = qlcnic_83xx_init_mgmt_vnic; -+ pax_close_kernel(); - break; - default: - dev_err(&adapter->pdev->dev, "Invalid Virtual NIC opmode\n"); -diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c -index 332bb8a..e6adcd1 100644 ---- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c -+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_minidump.c -@@ -1285,7 +1285,7 @@ flash_temp: - int qlcnic_dump_fw(struct qlcnic_adapter *adapter) - { - struct qlcnic_fw_dump *fw_dump = &adapter->ahw->fw_dump; -- static const struct qlcnic_dump_operations *fw_dump_ops; -+ const struct qlcnic_dump_operations *fw_dump_ops; - struct qlcnic_83xx_dump_template_hdr *hdr_83xx; - u32 entry_offset, dump, no_entries, buf_offset = 0; - int i, k, ops_cnt, ops_index, dump_size = 0; -diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c -index 3df51fa..e9b517f 100644 ---- a/drivers/net/ethernet/realtek/r8169.c -+++ b/drivers/net/ethernet/realtek/r8169.c -@@ -788,22 +788,22 @@ struct rtl8169_private { - struct mdio_ops { - void (*write)(struct rtl8169_private *, int, int); - int (*read)(struct rtl8169_private *, int); -- } mdio_ops; -+ } __no_const mdio_ops; - - struct pll_power_ops { - void (*down)(struct rtl8169_private *); - void (*up)(struct rtl8169_private *); -- } pll_power_ops; -+ } __no_const pll_power_ops; - - struct jumbo_ops { - void (*enable)(struct rtl8169_private *); - void (*disable)(struct rtl8169_private *); -- } jumbo_ops; -+ } __no_const jumbo_ops; - - struct csi_ops { - void (*write)(struct rtl8169_private *, int, int); - u32 (*read)(struct rtl8169_private *, int); -- } csi_ops; -+ } __no_const csi_ops; - - int (*set_speed)(struct net_device *, u8 aneg, u16 sp, u8 dpx, u32 adv); - int (*get_settings)(struct net_device *, struct ethtool_cmd *); -diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c -index a2e9aee..af41a0e 100644 ---- a/drivers/net/ethernet/sfc/ptp.c -+++ b/drivers/net/ethernet/sfc/ptp.c -@@ -822,7 +822,7 @@ static int efx_ptp_synchronize(struct efx_nic *efx, unsigned int num_readings) - ptp->start.dma_addr); - - /* Clear flag that signals MC ready */ -- ACCESS_ONCE(*start) = 0; -+ ACCESS_ONCE_RW(*start) = 0; - rc = efx_mcdi_rpc_start(efx, MC_CMD_PTP, synch_buf, - MC_CMD_PTP_IN_SYNCHRONIZE_LEN); - EFX_BUG_ON_PARANOID(rc); -diff --git a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c -index 08c483b..2c4a553 100644 ---- a/drivers/net/ethernet/stmicro/stmmac/mmc_core.c -+++ b/drivers/net/ethernet/stmicro/stmmac/mmc_core.c -@@ -140,8 +140,8 @@ void dwmac_mmc_ctrl(void __iomem *ioaddr, unsigned int mode) - - writel(value, ioaddr + MMC_CNTRL); - -- pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n", -- MMC_CNTRL, value); -+// pr_debug("stmmac: MMC ctrl register (offset 0x%x): 0x%08x\n", -+// MMC_CNTRL, value); - } - - /* To mask all all interrupts.*/ -diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c -index de28504..7f1c1cd 100644 ---- a/drivers/net/ethernet/via/via-rhine.c -+++ b/drivers/net/ethernet/via/via-rhine.c -@@ -2525,7 +2525,7 @@ static struct platform_driver rhine_driver_platform = { - } - }; - --static struct dmi_system_id rhine_dmi_table[] __initdata = { -+static const struct dmi_system_id rhine_dmi_table[] __initconst = { - { - .ident = "EPIA-M", - .matches = { -diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h -index 41071d3..6e362e1 100644 ---- a/drivers/net/hyperv/hyperv_net.h -+++ b/drivers/net/hyperv/hyperv_net.h -@@ -176,7 +176,7 @@ struct rndis_device { - enum rndis_device_state state; - bool link_state; - bool link_change; -- atomic_t new_req_id; -+ atomic_unchecked_t new_req_id; - - spinlock_t request_lock; - struct list_head req_list; -diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c -index 9118cea..1a8e06a 100644 ---- a/drivers/net/hyperv/rndis_filter.c -+++ b/drivers/net/hyperv/rndis_filter.c -@@ -100,7 +100,7 @@ static struct rndis_request *get_rndis_request(struct rndis_device *dev, - * template - */ - set = &rndis_msg->msg.set_req; -- set->req_id = atomic_inc_return(&dev->new_req_id); -+ set->req_id = atomic_inc_return_unchecked(&dev->new_req_id); - - /* Add to the request list */ - spin_lock_irqsave(&dev->request_lock, flags); -@@ -923,7 +923,7 @@ static void rndis_filter_halt_device(struct rndis_device *dev) - - /* Setup the rndis set */ - halt = &request->request_msg.msg.halt_req; -- halt->req_id = atomic_inc_return(&dev->new_req_id); -+ halt->req_id = atomic_inc_return_unchecked(&dev->new_req_id); - - /* Ignore return since this msg is optional. */ - rndis_filter_send_request(dev, request); -diff --git a/drivers/net/ifb.c b/drivers/net/ifb.c -index 94570aa..1a798e1 100644 ---- a/drivers/net/ifb.c -+++ b/drivers/net/ifb.c -@@ -253,7 +253,7 @@ static int ifb_validate(struct nlattr *tb[], struct nlattr *data[]) - return 0; - } - --static struct rtnl_link_ops ifb_link_ops __read_mostly = { -+static struct rtnl_link_ops ifb_link_ops = { - .kind = "ifb", - .priv_size = sizeof(struct ifb_private), - .setup = ifb_setup, -diff --git a/drivers/net/ipvlan/ipvlan.h b/drivers/net/ipvlan/ipvlan.h -index 54549a6..0799442 100644 ---- a/drivers/net/ipvlan/ipvlan.h -+++ b/drivers/net/ipvlan/ipvlan.h -@@ -102,6 +102,11 @@ static inline struct ipvl_port *ipvlan_port_get_rcu(const struct net_device *d) - return rcu_dereference(d->rx_handler_data); - } - -+static inline struct ipvl_port *ipvlan_port_get_rcu_bh(const struct net_device *d) -+{ -+ return rcu_dereference_bh(d->rx_handler_data); -+} -+ - static inline struct ipvl_port *ipvlan_port_get_rtnl(const struct net_device *d) - { - return rtnl_dereference(d->rx_handler_data); -diff --git a/drivers/net/ipvlan/ipvlan_core.c b/drivers/net/ipvlan/ipvlan_core.c -index c30b5c3..b349dad 100644 ---- a/drivers/net/ipvlan/ipvlan_core.c -+++ b/drivers/net/ipvlan/ipvlan_core.c -@@ -507,7 +507,7 @@ static int ipvlan_xmit_mode_l2(struct sk_buff *skb, struct net_device *dev) - int ipvlan_queue_xmit(struct sk_buff *skb, struct net_device *dev) - { - struct ipvl_dev *ipvlan = netdev_priv(dev); -- struct ipvl_port *port = ipvlan_port_get_rcu(ipvlan->phy_dev); -+ struct ipvl_port *port = ipvlan_port_get_rcu_bh(ipvlan->phy_dev); - - if (!port) - goto out; -diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c -index 9f59f17..52cb38f 100644 ---- a/drivers/net/macvlan.c -+++ b/drivers/net/macvlan.c -@@ -335,7 +335,7 @@ static void macvlan_broadcast_enqueue(struct macvlan_port *port, - free_nskb: - kfree_skb(nskb); - err: -- atomic_long_inc(&skb->dev->rx_dropped); -+ atomic_long_inc_unchecked(&skb->dev->rx_dropped); - } - - static void macvlan_flush_sources(struct macvlan_port *port, -@@ -1480,13 +1480,15 @@ static const struct nla_policy macvlan_policy[IFLA_MACVLAN_MAX + 1] = { - int macvlan_link_register(struct rtnl_link_ops *ops) - { - /* common fields */ -- ops->priv_size = sizeof(struct macvlan_dev); -- ops->validate = macvlan_validate; -- ops->maxtype = IFLA_MACVLAN_MAX; -- ops->policy = macvlan_policy; -- ops->changelink = macvlan_changelink; -- ops->get_size = macvlan_get_size; -- ops->fill_info = macvlan_fill_info; -+ pax_open_kernel(); -+ *(size_t *)&ops->priv_size = sizeof(struct macvlan_dev); -+ *(void **)&ops->validate = macvlan_validate; -+ *(int *)&ops->maxtype = IFLA_MACVLAN_MAX; -+ *(const void **)&ops->policy = macvlan_policy; -+ *(void **)&ops->changelink = macvlan_changelink; -+ *(void **)&ops->get_size = macvlan_get_size; -+ *(void **)&ops->fill_info = macvlan_fill_info; -+ pax_close_kernel(); - - return rtnl_link_register(ops); - }; -@@ -1572,7 +1574,7 @@ static int macvlan_device_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block macvlan_notifier_block __read_mostly = { -+static struct notifier_block macvlan_notifier_block = { - .notifier_call = macvlan_device_event, - }; - -diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c -index 8c350c5..30fdc98 100644 ---- a/drivers/net/macvtap.c -+++ b/drivers/net/macvtap.c -@@ -436,7 +436,7 @@ static void macvtap_setup(struct net_device *dev) - dev->tx_queue_len = TUN_READQ_SIZE; - } - --static struct rtnl_link_ops macvtap_link_ops __read_mostly = { -+static struct rtnl_link_ops macvtap_link_ops = { - .kind = "macvtap", - .setup = macvtap_setup, - .newlink = macvtap_newlink, -@@ -1033,7 +1033,7 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd, - - ret = 0; - u = q->flags; -- if (copy_to_user(&ifr->ifr_name, vlan->dev->name, IFNAMSIZ) || -+ if (copy_to_user(ifr->ifr_name, vlan->dev->name, IFNAMSIZ) || - put_user(u, &ifr->ifr_flags)) - ret = -EFAULT; - macvtap_put_vlan(vlan); -@@ -1214,7 +1214,7 @@ static int macvtap_device_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block macvtap_notifier_block __read_mostly = { -+static struct notifier_block macvtap_notifier_block = { - .notifier_call = macvtap_device_event, - }; - -@@ -1268,6 +1268,7 @@ static void macvtap_exit(void) - class_unregister(macvtap_class); - cdev_del(&macvtap_cdev); - unregister_chrdev_region(macvtap_major, MACVTAP_NUM_DEVS); -+ idr_destroy(&minor_idr); - } - module_exit(macvtap_exit); - -diff --git a/drivers/net/nlmon.c b/drivers/net/nlmon.c -index 34924df..a747360 100644 ---- a/drivers/net/nlmon.c -+++ b/drivers/net/nlmon.c -@@ -154,7 +154,7 @@ static int nlmon_validate(struct nlattr *tb[], struct nlattr *data[]) - return 0; - } - --static struct rtnl_link_ops nlmon_link_ops __read_mostly = { -+static struct rtnl_link_ops nlmon_link_ops = { - .kind = "nlmon", - .priv_size = sizeof(struct nlmon), - .setup = nlmon_setup, -diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c -index d551df6..fa4c2df 100644 ---- a/drivers/net/phy/phy_device.c -+++ b/drivers/net/phy/phy_device.c -@@ -218,7 +218,7 @@ EXPORT_SYMBOL(phy_device_create); - * zero on success. - * - */ --static int get_phy_c45_ids(struct mii_bus *bus, int addr, u32 *phy_id, -+static int get_phy_c45_ids(struct mii_bus *bus, int addr, int *phy_id, - struct phy_c45_device_ids *c45_ids) { - int phy_reg; - int i, reg_addr; -@@ -288,7 +288,7 @@ static int get_phy_c45_ids(struct mii_bus *bus, int addr, u32 *phy_id, - * its return value is in turn returned. - * - */ --static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id, -+static int get_phy_id(struct mii_bus *bus, int addr, int *phy_id, - bool is_c45, struct phy_c45_device_ids *c45_ids) - { - int phy_reg; -@@ -326,7 +326,7 @@ static int get_phy_id(struct mii_bus *bus, int addr, u32 *phy_id, - struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) - { - struct phy_c45_device_ids c45_ids = {0}; -- u32 phy_id = 0; -+ int phy_id = 0; - int r; - - r = get_phy_id(bus, addr, &phy_id, is_c45, &c45_ids); -diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c -index 9d15566..5ad4ef6 100644 ---- a/drivers/net/ppp/ppp_generic.c -+++ b/drivers/net/ppp/ppp_generic.c -@@ -1022,7 +1022,6 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - void __user *addr = (void __user *) ifr->ifr_ifru.ifru_data; - struct ppp_stats stats; - struct ppp_comp_stats cstats; -- char *vers; - - switch (cmd) { - case SIOCGPPPSTATS: -@@ -1044,8 +1043,7 @@ ppp_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - break; - - case SIOCGPPPVER: -- vers = PPP_VERSION; -- if (copy_to_user(addr, vers, strlen(vers) + 1)) -+ if (copy_to_user(addr, PPP_VERSION, sizeof(PPP_VERSION))) - break; - err = 0; - break; -diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c -index 079f7ad..b2a2bfa7 100644 ---- a/drivers/net/slip/slhc.c -+++ b/drivers/net/slip/slhc.c -@@ -487,7 +487,7 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize) - register struct tcphdr *thp; - register struct iphdr *ip; - register struct cstate *cs; -- int len, hdrlen; -+ long len, hdrlen; - unsigned char *cp = icp; - - /* We've got a compressed packet; read the change byte */ -diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c -index 6928448..e30c57f 100644 ---- a/drivers/net/team/team.c -+++ b/drivers/net/team/team.c -@@ -2103,7 +2103,7 @@ static unsigned int team_get_num_rx_queues(void) - return TEAM_DEFAULT_NUM_RX_QUEUES; - } - --static struct rtnl_link_ops team_link_ops __read_mostly = { -+static struct rtnl_link_ops team_link_ops = { - .kind = DRV_NAME, - .priv_size = sizeof(struct team), - .setup = team_setup, -@@ -2893,7 +2893,7 @@ static int team_device_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block team_notifier_block __read_mostly = { -+static struct notifier_block team_notifier_block = { - .notifier_call = team_device_event, - }; - -diff --git a/drivers/net/tun.c b/drivers/net/tun.c -index e470ae5..e812f5e 100644 ---- a/drivers/net/tun.c -+++ b/drivers/net/tun.c -@@ -1421,7 +1421,7 @@ static int tun_validate(struct nlattr *tb[], struct nlattr *data[]) - return -EINVAL; - } - --static struct rtnl_link_ops tun_link_ops __read_mostly = { -+static struct rtnl_link_ops tun_link_ops = { - .kind = DRV_NAME, - .priv_size = sizeof(struct tun_struct), - .setup = tun_setup, -@@ -1828,7 +1828,7 @@ unlock: - } - - static long __tun_chr_ioctl(struct file *file, unsigned int cmd, -- unsigned long arg, int ifreq_len) -+ unsigned long arg, size_t ifreq_len) - { - struct tun_file *tfile = file->private_data; - struct tun_struct *tun; -@@ -1842,6 +1842,9 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, - int le; - int ret; - -+ if (ifreq_len > sizeof ifr) -+ return -EFAULT; -+ - if (cmd == TUNSETIFF || cmd == TUNSETQUEUE || _IOC_TYPE(cmd) == 0x89) { - if (copy_from_user(&ifr, argp, ifreq_len)) - return -EFAULT; -diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c -index 111d907..1ee643e 100644 ---- a/drivers/net/usb/hso.c -+++ b/drivers/net/usb/hso.c -@@ -70,7 +70,7 @@ - #include <asm/byteorder.h> - #include <linux/serial_core.h> - #include <linux/serial.h> -- -+#include <asm/local.h> - - #define MOD_AUTHOR "Option Wireless" - #define MOD_DESCRIPTION "USB High Speed Option driver" -@@ -1183,7 +1183,7 @@ static void put_rxbuf_data_and_resubmit_ctrl_urb(struct hso_serial *serial) - struct urb *urb; - - urb = serial->rx_urb[0]; -- if (serial->port.count > 0) { -+ if (atomic_read(&serial->port.count) > 0) { - count = put_rxbuf_data(urb, serial); - if (count == -1) - return; -@@ -1221,7 +1221,7 @@ static void hso_std_serial_read_bulk_callback(struct urb *urb) - DUMP1(urb->transfer_buffer, urb->actual_length); - - /* Anyone listening? */ -- if (serial->port.count == 0) -+ if (atomic_read(&serial->port.count) == 0) - return; - - if (serial->parent->port_spec & HSO_INFO_CRC_BUG) -@@ -1282,8 +1282,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp) - tty_port_tty_set(&serial->port, tty); - - /* check for port already opened, if not set the termios */ -- serial->port.count++; -- if (serial->port.count == 1) { -+ if (atomic_inc_return(&serial->port.count) == 1) { - serial->rx_state = RX_IDLE; - /* Force default termio settings */ - _hso_serial_set_termios(tty, NULL); -@@ -1293,7 +1292,7 @@ static int hso_serial_open(struct tty_struct *tty, struct file *filp) - result = hso_start_serial_device(serial->parent, GFP_KERNEL); - if (result) { - hso_stop_serial_device(serial->parent); -- serial->port.count--; -+ atomic_dec(&serial->port.count); - } else { - kref_get(&serial->parent->ref); - } -@@ -1331,10 +1330,10 @@ static void hso_serial_close(struct tty_struct *tty, struct file *filp) - - /* reset the rts and dtr */ - /* do the actual close */ -- serial->port.count--; -+ atomic_dec(&serial->port.count); - -- if (serial->port.count <= 0) { -- serial->port.count = 0; -+ if (atomic_read(&serial->port.count) <= 0) { -+ atomic_set(&serial->port.count, 0); - tty_port_tty_set(&serial->port, NULL); - if (!usb_gone) - hso_stop_serial_device(serial->parent); -@@ -1417,7 +1416,7 @@ static void hso_serial_set_termios(struct tty_struct *tty, struct ktermios *old) - - /* the actual setup */ - spin_lock_irqsave(&serial->serial_lock, flags); -- if (serial->port.count) -+ if (atomic_read(&serial->port.count)) - _hso_serial_set_termios(tty, old); - else - tty->termios = *old; -@@ -1891,7 +1890,7 @@ static void intr_callback(struct urb *urb) - D1("Pending read interrupt on port %d\n", i); - spin_lock(&serial->serial_lock); - if (serial->rx_state == RX_IDLE && -- serial->port.count > 0) { -+ atomic_read(&serial->port.count) > 0) { - /* Setup and send a ctrl req read on - * port i */ - if (!serial->rx_urb_filled[0]) { -@@ -3058,7 +3057,7 @@ static int hso_resume(struct usb_interface *iface) - /* Start all serial ports */ - for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { - if (serial_table[i] && (serial_table[i]->interface == iface)) { -- if (dev2ser(serial_table[i])->port.count) { -+ if (atomic_read(&dev2ser(serial_table[i])->port.count)) { - result = - hso_start_serial_device(serial_table[i], GFP_NOIO); - hso_kick_transmit(dev2ser(serial_table[i])); -diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c -index aafa1a1..f59c651 100644 ---- a/drivers/net/usb/r8152.c -+++ b/drivers/net/usb/r8152.c -@@ -602,7 +602,7 @@ struct r8152 { - void (*unload)(struct r8152 *); - int (*eee_get)(struct r8152 *, struct ethtool_eee *); - int (*eee_set)(struct r8152 *, struct ethtool_eee *); -- } rtl_ops; -+ } __no_const rtl_ops; - - int intr_interval; - u32 saved_wolopts; -diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c -index a2515887..6d13233 100644 ---- a/drivers/net/usb/sierra_net.c -+++ b/drivers/net/usb/sierra_net.c -@@ -51,7 +51,7 @@ static const char driver_name[] = "sierra_net"; - /* atomic counter partially included in MAC address to make sure 2 devices - * do not end up with the same MAC - concept breaks in case of > 255 ifaces - */ --static atomic_t iface_counter = ATOMIC_INIT(0); -+static atomic_unchecked_t iface_counter = ATOMIC_INIT(0); - - /* - * SYNC Timer Delay definition used to set the expiry time -@@ -697,7 +697,7 @@ static int sierra_net_bind(struct usbnet *dev, struct usb_interface *intf) - dev->net->netdev_ops = &sierra_net_device_ops; - - /* change MAC addr to include, ifacenum, and to be unique */ -- dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return(&iface_counter); -+ dev->net->dev_addr[ETH_ALEN-2] = atomic_inc_return_unchecked(&iface_counter); - dev->net->dev_addr[ETH_ALEN-1] = ifacenum; - - /* we will have to manufacture ethernet headers, prepare template */ -diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c -index 63c7810..a694d2b 100644 ---- a/drivers/net/virtio_net.c -+++ b/drivers/net/virtio_net.c -@@ -48,7 +48,7 @@ module_param(gso, bool, 0444); - #define RECEIVE_AVG_WEIGHT 64 - - /* Minimum alignment for mergeable packet buffers. */ --#define MERGEABLE_BUFFER_ALIGN max(L1_CACHE_BYTES, 256) -+#define MERGEABLE_BUFFER_ALIGN max(L1_CACHE_BYTES, 256UL) - - #define VIRTNET_DRIVER_VERSION "1.0.0" - -@@ -1756,9 +1756,9 @@ static int virtnet_probe(struct virtio_device *vdev) - /* Do we support "hardware" checksums? */ - if (virtio_has_feature(vdev, VIRTIO_NET_F_CSUM)) { - /* This opens up the world of extra features. */ -- dev->hw_features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST; -+ dev->hw_features |= NETIF_F_HW_CSUM|NETIF_F_SG; - if (csum) -- dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG|NETIF_F_FRAGLIST; -+ dev->features |= NETIF_F_HW_CSUM|NETIF_F_SG; - - if (virtio_has_feature(vdev, VIRTIO_NET_F_GSO)) { - dev->hw_features |= NETIF_F_TSO | NETIF_F_UFO -diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c -index 61c0840..92e7f7e 100644 ---- a/drivers/net/vmxnet3/vmxnet3_drv.c -+++ b/drivers/net/vmxnet3/vmxnet3_drv.c -@@ -1167,7 +1167,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, - static const u32 rxprod_reg[2] = { - VMXNET3_REG_RXPROD, VMXNET3_REG_RXPROD2 - }; -- u32 num_rxd = 0; -+ u32 num_pkts = 0; - bool skip_page_frags = false; - struct Vmxnet3_RxCompDesc *rcd; - struct vmxnet3_rx_ctx *ctx = &rq->rx_ctx; -@@ -1185,13 +1185,12 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, - struct Vmxnet3_RxDesc *rxd; - u32 idx, ring_idx; - struct vmxnet3_cmd_ring *ring = NULL; -- if (num_rxd >= quota) { -+ if (num_pkts >= quota) { - /* we may stop even before we see the EOP desc of - * the current pkt - */ - break; - } -- num_rxd++; - BUG_ON(rcd->rqID != rq->qid && rcd->rqID != rq->qid2); - idx = rcd->rxdIdx; - ring_idx = rcd->rqID < adapter->num_rx_queues ? 0 : 1; -@@ -1323,6 +1322,7 @@ vmxnet3_rq_rx_complete(struct vmxnet3_rx_queue *rq, - napi_gro_receive(&rq->napi, skb); - - ctx->skb = NULL; -+ num_pkts++; - } - - rcd_done: -@@ -1353,7 +1353,7 @@ rcd_done: - &rq->comp_ring.base[rq->comp_ring.next2proc].rcd, &rxComp); - } - -- return num_rxd; -+ return num_pkts; - } - - -diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c -index 21a0fbf..055b54f 100644 ---- a/drivers/net/vxlan.c -+++ b/drivers/net/vxlan.c -@@ -2878,7 +2878,7 @@ static struct net *vxlan_get_link_net(const struct net_device *dev) - return vxlan->net; - } - --static struct rtnl_link_ops vxlan_link_ops __read_mostly = { -+static struct rtnl_link_ops vxlan_link_ops = { - .kind = "vxlan", - .maxtype = IFLA_VXLAN_MAX, - .policy = vxlan_policy, -@@ -2926,7 +2926,7 @@ static int vxlan_lowerdev_event(struct notifier_block *unused, - return NOTIFY_DONE; - } - --static struct notifier_block vxlan_notifier_block __read_mostly = { -+static struct notifier_block vxlan_notifier_block = { - .notifier_call = vxlan_lowerdev_event, - }; - -diff --git a/drivers/net/wan/lmc/lmc_media.c b/drivers/net/wan/lmc/lmc_media.c -index 5920c99..ff2e4a5 100644 ---- a/drivers/net/wan/lmc/lmc_media.c -+++ b/drivers/net/wan/lmc/lmc_media.c -@@ -95,62 +95,63 @@ static inline void write_av9110_bit (lmc_softc_t *, int); - static void write_av9110(lmc_softc_t *, u32, u32, u32, u32, u32); - - lmc_media_t lmc_ds3_media = { -- lmc_ds3_init, /* special media init stuff */ -- lmc_ds3_default, /* reset to default state */ -- lmc_ds3_set_status, /* reset status to state provided */ -- lmc_dummy_set_1, /* set clock source */ -- lmc_dummy_set2_1, /* set line speed */ -- lmc_ds3_set_100ft, /* set cable length */ -- lmc_ds3_set_scram, /* set scrambler */ -- lmc_ds3_get_link_status, /* get link status */ -- lmc_dummy_set_1, /* set link status */ -- lmc_ds3_set_crc_length, /* set CRC length */ -- lmc_dummy_set_1, /* set T1 or E1 circuit type */ -- lmc_ds3_watchdog -+ .init = lmc_ds3_init, /* special media init stuff */ -+ .defaults = lmc_ds3_default, /* reset to default state */ -+ .set_status = lmc_ds3_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_dummy_set_1, /* set clock source */ -+ .set_speed = lmc_dummy_set2_1, /* set line speed */ -+ .set_cable_length = lmc_ds3_set_100ft, /* set cable length */ -+ .set_scrambler = lmc_ds3_set_scram, /* set scrambler */ -+ .get_link_status = lmc_ds3_get_link_status, /* get link status */ -+ .set_link_status = lmc_dummy_set_1, /* set link status */ -+ .set_crc_length = lmc_ds3_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_ds3_watchdog - }; - - lmc_media_t lmc_hssi_media = { -- lmc_hssi_init, /* special media init stuff */ -- lmc_hssi_default, /* reset to default state */ -- lmc_hssi_set_status, /* reset status to state provided */ -- lmc_hssi_set_clock, /* set clock source */ -- lmc_dummy_set2_1, /* set line speed */ -- lmc_dummy_set_1, /* set cable length */ -- lmc_dummy_set_1, /* set scrambler */ -- lmc_hssi_get_link_status, /* get link status */ -- lmc_hssi_set_link_status, /* set link status */ -- lmc_hssi_set_crc_length, /* set CRC length */ -- lmc_dummy_set_1, /* set T1 or E1 circuit type */ -- lmc_hssi_watchdog -+ .init = lmc_hssi_init, /* special media init stuff */ -+ .defaults = lmc_hssi_default, /* reset to default state */ -+ .set_status = lmc_hssi_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_hssi_set_clock, /* set clock source */ -+ .set_speed = lmc_dummy_set2_1, /* set line speed */ -+ .set_cable_length = lmc_dummy_set_1, /* set cable length */ -+ .set_scrambler = lmc_dummy_set_1, /* set scrambler */ -+ .get_link_status = lmc_hssi_get_link_status, /* get link status */ -+ .set_link_status = lmc_hssi_set_link_status, /* set link status */ -+ .set_crc_length = lmc_hssi_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_hssi_watchdog - }; - --lmc_media_t lmc_ssi_media = { lmc_ssi_init, /* special media init stuff */ -- lmc_ssi_default, /* reset to default state */ -- lmc_ssi_set_status, /* reset status to state provided */ -- lmc_ssi_set_clock, /* set clock source */ -- lmc_ssi_set_speed, /* set line speed */ -- lmc_dummy_set_1, /* set cable length */ -- lmc_dummy_set_1, /* set scrambler */ -- lmc_ssi_get_link_status, /* get link status */ -- lmc_ssi_set_link_status, /* set link status */ -- lmc_ssi_set_crc_length, /* set CRC length */ -- lmc_dummy_set_1, /* set T1 or E1 circuit type */ -- lmc_ssi_watchdog -+lmc_media_t lmc_ssi_media = { -+ .init = lmc_ssi_init, /* special media init stuff */ -+ .defaults = lmc_ssi_default, /* reset to default state */ -+ .set_status = lmc_ssi_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_ssi_set_clock, /* set clock source */ -+ .set_speed = lmc_ssi_set_speed, /* set line speed */ -+ .set_cable_length = lmc_dummy_set_1, /* set cable length */ -+ .set_scrambler = lmc_dummy_set_1, /* set scrambler */ -+ .get_link_status = lmc_ssi_get_link_status, /* get link status */ -+ .set_link_status = lmc_ssi_set_link_status, /* set link status */ -+ .set_crc_length = lmc_ssi_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_dummy_set_1, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_ssi_watchdog - }; - - lmc_media_t lmc_t1_media = { -- lmc_t1_init, /* special media init stuff */ -- lmc_t1_default, /* reset to default state */ -- lmc_t1_set_status, /* reset status to state provided */ -- lmc_t1_set_clock, /* set clock source */ -- lmc_dummy_set2_1, /* set line speed */ -- lmc_dummy_set_1, /* set cable length */ -- lmc_dummy_set_1, /* set scrambler */ -- lmc_t1_get_link_status, /* get link status */ -- lmc_dummy_set_1, /* set link status */ -- lmc_t1_set_crc_length, /* set CRC length */ -- lmc_t1_set_circuit_type, /* set T1 or E1 circuit type */ -- lmc_t1_watchdog -+ .init = lmc_t1_init, /* special media init stuff */ -+ .defaults = lmc_t1_default, /* reset to default state */ -+ .set_status = lmc_t1_set_status, /* reset status to state provided */ -+ .set_clock_source = lmc_t1_set_clock, /* set clock source */ -+ .set_speed = lmc_dummy_set2_1, /* set line speed */ -+ .set_cable_length = lmc_dummy_set_1, /* set cable length */ -+ .set_scrambler = lmc_dummy_set_1, /* set scrambler */ -+ .get_link_status = lmc_t1_get_link_status, /* get link status */ -+ .set_link_status = lmc_dummy_set_1, /* set link status */ -+ .set_crc_length = lmc_t1_set_crc_length, /* set CRC length */ -+ .set_circuit_type = lmc_t1_set_circuit_type, /* set T1 or E1 circuit type */ -+ .watchdog = lmc_t1_watchdog - }; - - static void -diff --git a/drivers/net/wan/z85230.c b/drivers/net/wan/z85230.c -index feacc3b..5bac0de 100644 ---- a/drivers/net/wan/z85230.c -+++ b/drivers/net/wan/z85230.c -@@ -485,9 +485,9 @@ static void z8530_status(struct z8530_channel *chan) - - struct z8530_irqhandler z8530_sync = - { -- z8530_rx, -- z8530_tx, -- z8530_status -+ .rx = z8530_rx, -+ .tx = z8530_tx, -+ .status = z8530_status - }; - - EXPORT_SYMBOL(z8530_sync); -@@ -605,15 +605,15 @@ static void z8530_dma_status(struct z8530_channel *chan) - } - - static struct z8530_irqhandler z8530_dma_sync = { -- z8530_dma_rx, -- z8530_dma_tx, -- z8530_dma_status -+ .rx = z8530_dma_rx, -+ .tx = z8530_dma_tx, -+ .status = z8530_dma_status - }; - - static struct z8530_irqhandler z8530_txdma_sync = { -- z8530_rx, -- z8530_dma_tx, -- z8530_dma_status -+ .rx = z8530_rx, -+ .tx = z8530_dma_tx, -+ .status = z8530_dma_status - }; - - /** -@@ -680,9 +680,9 @@ static void z8530_status_clear(struct z8530_channel *chan) - - struct z8530_irqhandler z8530_nop= - { -- z8530_rx_clear, -- z8530_tx_clear, -- z8530_status_clear -+ .rx = z8530_rx_clear, -+ .tx = z8530_tx_clear, -+ .status = z8530_status_clear - }; - - -diff --git a/drivers/net/wimax/i2400m/rx.c b/drivers/net/wimax/i2400m/rx.c -index 0b60295..b8bfa5b 100644 ---- a/drivers/net/wimax/i2400m/rx.c -+++ b/drivers/net/wimax/i2400m/rx.c -@@ -1359,7 +1359,7 @@ int i2400m_rx_setup(struct i2400m *i2400m) - if (i2400m->rx_roq == NULL) - goto error_roq_alloc; - -- rd = kcalloc(I2400M_RO_CIN + 1, sizeof(*i2400m->rx_roq[0].log), -+ rd = kcalloc(sizeof(*i2400m->rx_roq[0].log), I2400M_RO_CIN + 1, - GFP_KERNEL); - if (rd == NULL) { - result = -ENOMEM; -diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c -index d0c97c2..108f59b 100644 ---- a/drivers/net/wireless/airo.c -+++ b/drivers/net/wireless/airo.c -@@ -7846,7 +7846,7 @@ static int writerids(struct net_device *dev, aironet_ioctl *comp) { - struct airo_info *ai = dev->ml_priv; - int ridcode; - int enabled; -- static int (* writer)(struct airo_info *, u16 rid, const void *, int, int); -+ int (* writer)(struct airo_info *, u16 rid, const void *, int, int); - unsigned char *iobuf; - - /* Only super-user can write RIDs */ -diff --git a/drivers/net/wireless/at76c50x-usb.c b/drivers/net/wireless/at76c50x-usb.c -index 49219c5..3625441 100644 ---- a/drivers/net/wireless/at76c50x-usb.c -+++ b/drivers/net/wireless/at76c50x-usb.c -@@ -353,7 +353,7 @@ static int at76_dfu_get_state(struct usb_device *udev, u8 *state) - } - - /* Convert timeout from the DFU status to jiffies */ --static inline unsigned long at76_get_timeout(struct dfu_status *s) -+static inline unsigned long __intentional_overflow(-1) at76_get_timeout(struct dfu_status *s) - { - return msecs_to_jiffies((s->poll_timeout[2] << 16) - | (s->poll_timeout[1] << 8) -diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c -index 2fd9e18..3f55bdd 100644 ---- a/drivers/net/wireless/ath/ath10k/htc.c -+++ b/drivers/net/wireless/ath/ath10k/htc.c -@@ -849,7 +849,10 @@ int ath10k_htc_start(struct ath10k_htc *htc) - /* registered target arrival callback from the HIF layer */ - int ath10k_htc_init(struct ath10k *ar) - { -- struct ath10k_hif_cb htc_callbacks; -+ static struct ath10k_hif_cb htc_callbacks = { -+ .rx_completion = ath10k_htc_rx_completion_handler, -+ .tx_completion = ath10k_htc_tx_completion_handler, -+ }; - struct ath10k_htc_ep *ep = NULL; - struct ath10k_htc *htc = &ar->htc; - -@@ -858,8 +861,6 @@ int ath10k_htc_init(struct ath10k *ar) - ath10k_htc_reset_endpoint_states(htc); - - /* setup HIF layer callbacks */ -- htc_callbacks.rx_completion = ath10k_htc_rx_completion_handler; -- htc_callbacks.tx_completion = ath10k_htc_tx_completion_handler; - htc->ar = ar; - - /* Get HIF default pipe for HTC message exchange */ -diff --git a/drivers/net/wireless/ath/ath10k/htc.h b/drivers/net/wireless/ath/ath10k/htc.h -index 527179c..a890150 100644 ---- a/drivers/net/wireless/ath/ath10k/htc.h -+++ b/drivers/net/wireless/ath/ath10k/htc.h -@@ -270,13 +270,13 @@ enum ath10k_htc_ep_id { - - struct ath10k_htc_ops { - void (*target_send_suspend_complete)(struct ath10k *ar); --}; -+} __no_const; - - struct ath10k_htc_ep_ops { - void (*ep_tx_complete)(struct ath10k *, struct sk_buff *); - void (*ep_rx_complete)(struct ath10k *, struct sk_buff *); - void (*ep_tx_credits)(struct ath10k *); --}; -+} __no_const; - - /* service connection information */ - struct ath10k_htc_svc_conn_req { -diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c -index f816909..e56cd8b 100644 ---- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c -+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c -@@ -220,8 +220,8 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - ads->ds_txstatus6 = ads->ds_txstatus7 = 0; - ads->ds_txstatus8 = ads->ds_txstatus9 = 0; - -- ACCESS_ONCE(ads->ds_link) = i->link; -- ACCESS_ONCE(ads->ds_data) = i->buf_addr[0]; -+ ACCESS_ONCE_RW(ads->ds_link) = i->link; -+ ACCESS_ONCE_RW(ads->ds_data) = i->buf_addr[0]; - - ctl1 = i->buf_len[0] | (i->is_last ? 0 : AR_TxMore); - ctl6 = SM(i->keytype, AR_EncrType); -@@ -235,26 +235,26 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - - if ((i->is_first || i->is_last) && - i->aggr != AGGR_BUF_MIDDLE && i->aggr != AGGR_BUF_LAST) { -- ACCESS_ONCE(ads->ds_ctl2) = set11nTries(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl2) = set11nTries(i->rates, 0) - | set11nTries(i->rates, 1) - | set11nTries(i->rates, 2) - | set11nTries(i->rates, 3) - | (i->dur_update ? AR_DurUpdateEna : 0) - | SM(0, AR_BurstDur); - -- ACCESS_ONCE(ads->ds_ctl3) = set11nRate(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl3) = set11nRate(i->rates, 0) - | set11nRate(i->rates, 1) - | set11nRate(i->rates, 2) - | set11nRate(i->rates, 3); - } else { -- ACCESS_ONCE(ads->ds_ctl2) = 0; -- ACCESS_ONCE(ads->ds_ctl3) = 0; -+ ACCESS_ONCE_RW(ads->ds_ctl2) = 0; -+ ACCESS_ONCE_RW(ads->ds_ctl3) = 0; - } - - if (!i->is_first) { -- ACCESS_ONCE(ads->ds_ctl0) = 0; -- ACCESS_ONCE(ads->ds_ctl1) = ctl1; -- ACCESS_ONCE(ads->ds_ctl6) = ctl6; -+ ACCESS_ONCE_RW(ads->ds_ctl0) = 0; -+ ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1; -+ ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6; - return; - } - -@@ -279,7 +279,7 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - break; - } - -- ACCESS_ONCE(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen) -+ ACCESS_ONCE_RW(ads->ds_ctl0) = (i->pkt_len & AR_FrameLen) - | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0) - | SM(i->txpower[0], AR_XmitPower0) - | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0) -@@ -289,27 +289,27 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - | (i->flags & ATH9K_TXDESC_RTSENA ? AR_RTSEnable : - (i->flags & ATH9K_TXDESC_CTSENA ? AR_CTSEnable : 0)); - -- ACCESS_ONCE(ads->ds_ctl1) = ctl1; -- ACCESS_ONCE(ads->ds_ctl6) = ctl6; -+ ACCESS_ONCE_RW(ads->ds_ctl1) = ctl1; -+ ACCESS_ONCE_RW(ads->ds_ctl6) = ctl6; - - if (i->aggr == AGGR_BUF_MIDDLE || i->aggr == AGGR_BUF_LAST) - return; - -- ACCESS_ONCE(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl4) = set11nPktDurRTSCTS(i->rates, 0) - | set11nPktDurRTSCTS(i->rates, 1); - -- ACCESS_ONCE(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2) -+ ACCESS_ONCE_RW(ads->ds_ctl5) = set11nPktDurRTSCTS(i->rates, 2) - | set11nPktDurRTSCTS(i->rates, 3); - -- ACCESS_ONCE(ads->ds_ctl7) = set11nRateFlags(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ds_ctl7) = set11nRateFlags(i->rates, 0) - | set11nRateFlags(i->rates, 1) - | set11nRateFlags(i->rates, 2) - | set11nRateFlags(i->rates, 3) - | SM(i->rtscts_rate, AR_RTSCTSRate); - -- ACCESS_ONCE(ads->ds_ctl9) = SM(i->txpower[1], AR_XmitPower1); -- ACCESS_ONCE(ads->ds_ctl10) = SM(i->txpower[2], AR_XmitPower2); -- ACCESS_ONCE(ads->ds_ctl11) = SM(i->txpower[3], AR_XmitPower3); -+ ACCESS_ONCE_RW(ads->ds_ctl9) = SM(i->txpower[1], AR_XmitPower1); -+ ACCESS_ONCE_RW(ads->ds_ctl10) = SM(i->txpower[2], AR_XmitPower2); -+ ACCESS_ONCE_RW(ads->ds_ctl11) = SM(i->txpower[3], AR_XmitPower3); - } - - static int ar9002_hw_proc_txdesc(struct ath_hw *ah, void *ds, -diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c -index da84b70..83e4978 100644 ---- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c -+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c -@@ -39,47 +39,47 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - (i->qcu << AR_TxQcuNum_S) | desc_len; - - checksum += val; -- ACCESS_ONCE(ads->info) = val; -+ ACCESS_ONCE_RW(ads->info) = val; - - checksum += i->link; -- ACCESS_ONCE(ads->link) = i->link; -+ ACCESS_ONCE_RW(ads->link) = i->link; - - checksum += i->buf_addr[0]; -- ACCESS_ONCE(ads->data0) = i->buf_addr[0]; -+ ACCESS_ONCE_RW(ads->data0) = i->buf_addr[0]; - checksum += i->buf_addr[1]; -- ACCESS_ONCE(ads->data1) = i->buf_addr[1]; -+ ACCESS_ONCE_RW(ads->data1) = i->buf_addr[1]; - checksum += i->buf_addr[2]; -- ACCESS_ONCE(ads->data2) = i->buf_addr[2]; -+ ACCESS_ONCE_RW(ads->data2) = i->buf_addr[2]; - checksum += i->buf_addr[3]; -- ACCESS_ONCE(ads->data3) = i->buf_addr[3]; -+ ACCESS_ONCE_RW(ads->data3) = i->buf_addr[3]; - - checksum += (val = (i->buf_len[0] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl3) = val; -+ ACCESS_ONCE_RW(ads->ctl3) = val; - checksum += (val = (i->buf_len[1] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl5) = val; -+ ACCESS_ONCE_RW(ads->ctl5) = val; - checksum += (val = (i->buf_len[2] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl7) = val; -+ ACCESS_ONCE_RW(ads->ctl7) = val; - checksum += (val = (i->buf_len[3] << AR_BufLen_S) & AR_BufLen); -- ACCESS_ONCE(ads->ctl9) = val; -+ ACCESS_ONCE_RW(ads->ctl9) = val; - - checksum = (u16) (((checksum & 0xffff) + (checksum >> 16)) & 0xffff); -- ACCESS_ONCE(ads->ctl10) = checksum; -+ ACCESS_ONCE_RW(ads->ctl10) = checksum; - - if (i->is_first || i->is_last) { -- ACCESS_ONCE(ads->ctl13) = set11nTries(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl13) = set11nTries(i->rates, 0) - | set11nTries(i->rates, 1) - | set11nTries(i->rates, 2) - | set11nTries(i->rates, 3) - | (i->dur_update ? AR_DurUpdateEna : 0) - | SM(0, AR_BurstDur); - -- ACCESS_ONCE(ads->ctl14) = set11nRate(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl14) = set11nRate(i->rates, 0) - | set11nRate(i->rates, 1) - | set11nRate(i->rates, 2) - | set11nRate(i->rates, 3); - } else { -- ACCESS_ONCE(ads->ctl13) = 0; -- ACCESS_ONCE(ads->ctl14) = 0; -+ ACCESS_ONCE_RW(ads->ctl13) = 0; -+ ACCESS_ONCE_RW(ads->ctl14) = 0; - } - - ads->ctl20 = 0; -@@ -89,17 +89,17 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - - ctl17 = SM(i->keytype, AR_EncrType); - if (!i->is_first) { -- ACCESS_ONCE(ads->ctl11) = 0; -- ACCESS_ONCE(ads->ctl12) = i->is_last ? 0 : AR_TxMore; -- ACCESS_ONCE(ads->ctl15) = 0; -- ACCESS_ONCE(ads->ctl16) = 0; -- ACCESS_ONCE(ads->ctl17) = ctl17; -- ACCESS_ONCE(ads->ctl18) = 0; -- ACCESS_ONCE(ads->ctl19) = 0; -+ ACCESS_ONCE_RW(ads->ctl11) = 0; -+ ACCESS_ONCE_RW(ads->ctl12) = i->is_last ? 0 : AR_TxMore; -+ ACCESS_ONCE_RW(ads->ctl15) = 0; -+ ACCESS_ONCE_RW(ads->ctl16) = 0; -+ ACCESS_ONCE_RW(ads->ctl17) = ctl17; -+ ACCESS_ONCE_RW(ads->ctl18) = 0; -+ ACCESS_ONCE_RW(ads->ctl19) = 0; - return; - } - -- ACCESS_ONCE(ads->ctl11) = (i->pkt_len & AR_FrameLen) -+ ACCESS_ONCE_RW(ads->ctl11) = (i->pkt_len & AR_FrameLen) - | (i->flags & ATH9K_TXDESC_VMF ? AR_VirtMoreFrag : 0) - | SM(i->txpower[0], AR_XmitPower0) - | (i->flags & ATH9K_TXDESC_VEOL ? AR_VEOL : 0) -@@ -135,26 +135,26 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i) - val = (i->flags & ATH9K_TXDESC_PAPRD) >> ATH9K_TXDESC_PAPRD_S; - ctl12 |= SM(val, AR_PAPRDChainMask); - -- ACCESS_ONCE(ads->ctl12) = ctl12; -- ACCESS_ONCE(ads->ctl17) = ctl17; -+ ACCESS_ONCE_RW(ads->ctl12) = ctl12; -+ ACCESS_ONCE_RW(ads->ctl17) = ctl17; - -- ACCESS_ONCE(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl15) = set11nPktDurRTSCTS(i->rates, 0) - | set11nPktDurRTSCTS(i->rates, 1); - -- ACCESS_ONCE(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2) -+ ACCESS_ONCE_RW(ads->ctl16) = set11nPktDurRTSCTS(i->rates, 2) - | set11nPktDurRTSCTS(i->rates, 3); - -- ACCESS_ONCE(ads->ctl18) = set11nRateFlags(i->rates, 0) -+ ACCESS_ONCE_RW(ads->ctl18) = set11nRateFlags(i->rates, 0) - | set11nRateFlags(i->rates, 1) - | set11nRateFlags(i->rates, 2) - | set11nRateFlags(i->rates, 3) - | SM(i->rtscts_rate, AR_RTSCTSRate); - -- ACCESS_ONCE(ads->ctl19) = AR_Not_Sounding; -+ ACCESS_ONCE_RW(ads->ctl19) = AR_Not_Sounding; - -- ACCESS_ONCE(ads->ctl20) = SM(i->txpower[1], AR_XmitPower1); -- ACCESS_ONCE(ads->ctl21) = SM(i->txpower[2], AR_XmitPower2); -- ACCESS_ONCE(ads->ctl22) = SM(i->txpower[3], AR_XmitPower3); -+ ACCESS_ONCE_RW(ads->ctl20) = SM(i->txpower[1], AR_XmitPower1); -+ ACCESS_ONCE_RW(ads->ctl21) = SM(i->txpower[2], AR_XmitPower2); -+ ACCESS_ONCE_RW(ads->ctl22) = SM(i->txpower[3], AR_XmitPower3); - } - - static u16 ar9003_calc_ptr_chksum(struct ar9003_txc *ads) -diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h -index c1d2d03..08352db 100644 ---- a/drivers/net/wireless/ath/ath9k/hw.h -+++ b/drivers/net/wireless/ath/ath9k/hw.h -@@ -671,7 +671,7 @@ struct ath_hw_private_ops { - #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT - bool (*is_aic_enabled)(struct ath_hw *ah); - #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ --}; -+} __no_const; - - /** - * struct ath_spec_scan - parameters for Atheros spectral scan -@@ -747,7 +747,7 @@ struct ath_hw_ops { - #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT - void (*set_bt_ant_diversity)(struct ath_hw *hw, bool enable); - #endif --}; -+} __no_const; - - struct ath_nf_limits { - s16 max; -diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c -index d5f2fbf..0740c8b 100644 ---- a/drivers/net/wireless/ath/ath9k/main.c -+++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -2575,16 +2575,18 @@ void ath9k_fill_chanctx_ops(void) - if (!ath9k_is_chanctx_enabled()) - return; - -- ath9k_ops.hw_scan = ath9k_hw_scan; -- ath9k_ops.cancel_hw_scan = ath9k_cancel_hw_scan; -- ath9k_ops.remain_on_channel = ath9k_remain_on_channel; -- ath9k_ops.cancel_remain_on_channel = ath9k_cancel_remain_on_channel; -- ath9k_ops.add_chanctx = ath9k_add_chanctx; -- ath9k_ops.remove_chanctx = ath9k_remove_chanctx; -- ath9k_ops.change_chanctx = ath9k_change_chanctx; -- ath9k_ops.assign_vif_chanctx = ath9k_assign_vif_chanctx; -- ath9k_ops.unassign_vif_chanctx = ath9k_unassign_vif_chanctx; -- ath9k_ops.mgd_prepare_tx = ath9k_mgd_prepare_tx; -+ pax_open_kernel(); -+ *(void **)&ath9k_ops.hw_scan = ath9k_hw_scan; -+ *(void **)&ath9k_ops.cancel_hw_scan = ath9k_cancel_hw_scan; -+ *(void **)&ath9k_ops.remain_on_channel = ath9k_remain_on_channel; -+ *(void **)&ath9k_ops.cancel_remain_on_channel = ath9k_cancel_remain_on_channel; -+ *(void **)&ath9k_ops.add_chanctx = ath9k_add_chanctx; -+ *(void **)&ath9k_ops.remove_chanctx = ath9k_remove_chanctx; -+ *(void **)&ath9k_ops.change_chanctx = ath9k_change_chanctx; -+ *(void **)&ath9k_ops.assign_vif_chanctx = ath9k_assign_vif_chanctx; -+ *(void **)&ath9k_ops.unassign_vif_chanctx = ath9k_unassign_vif_chanctx; -+ *(void **)&ath9k_ops.mgd_prepare_tx = ath9k_mgd_prepare_tx; -+ pax_close_kernel(); - } - - #endif -diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c -index 058a9f2..d5cb1ba 100644 ---- a/drivers/net/wireless/b43/phy_lp.c -+++ b/drivers/net/wireless/b43/phy_lp.c -@@ -2502,7 +2502,7 @@ static int lpphy_b2063_tune(struct b43_wldev *dev, - { - struct ssb_bus *bus = dev->dev->sdev->bus; - -- static const struct b206x_channel *chandata = NULL; -+ const struct b206x_channel *chandata = NULL; - u32 crystal_freq = bus->chipco.pmu.crystalfreq * 1000; - u32 freqref, vco_freq, val1, val2, val3, timeout, timeoutref, count; - u16 old_comm15, scale; -diff --git a/drivers/net/wireless/iwlegacy/3945-mac.c b/drivers/net/wireless/iwlegacy/3945-mac.c -index e566580..2c218ca 100644 ---- a/drivers/net/wireless/iwlegacy/3945-mac.c -+++ b/drivers/net/wireless/iwlegacy/3945-mac.c -@@ -3631,7 +3631,9 @@ il3945_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) - */ - if (il3945_mod_params.disable_hw_scan) { - D_INFO("Disabling hw_scan\n"); -- il3945_mac_ops.hw_scan = NULL; -+ pax_open_kernel(); -+ *(void **)&il3945_mac_ops.hw_scan = NULL; -+ pax_close_kernel(); - } - - D_INFO("*** LOAD DRIVER ***\n"); -diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c -index 0ffb6ff..c0b7f0e 100644 ---- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c -+++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c -@@ -188,7 +188,7 @@ static ssize_t iwl_dbgfs_sram_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[64]; -- int buf_size; -+ size_t buf_size; - u32 offset, len; - - memset(buf, 0, sizeof(buf)); -@@ -458,7 +458,7 @@ static ssize_t iwl_dbgfs_rx_handlers_write(struct file *file, - struct iwl_priv *priv = file->private_data; - - char buf[8]; -- int buf_size; -+ size_t buf_size; - u32 reset_flag; - - memset(buf, 0, sizeof(buf)); -@@ -539,7 +539,7 @@ static ssize_t iwl_dbgfs_disable_ht40_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int ht40; - - memset(buf, 0, sizeof(buf)); -@@ -591,7 +591,7 @@ static ssize_t iwl_dbgfs_sleep_level_override_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int value; - - memset(buf, 0, sizeof(buf)); -@@ -683,10 +683,10 @@ DEBUGFS_READ_FILE_OPS(temperature); - DEBUGFS_READ_WRITE_FILE_OPS(sleep_level_override); - DEBUGFS_READ_FILE_OPS(current_sleep_command); - --static const char *fmt_value = " %-30s %10u\n"; --static const char *fmt_hex = " %-30s 0x%02X\n"; --static const char *fmt_table = " %-30s %10u %10u %10u %10u\n"; --static const char *fmt_header = -+static const char fmt_value[] = " %-30s %10u\n"; -+static const char fmt_hex[] = " %-30s 0x%02X\n"; -+static const char fmt_table[] = " %-30s %10u %10u %10u %10u\n"; -+static const char fmt_header[] = - "%-32s current cumulative delta max\n"; - - static int iwl_statistics_flag(struct iwl_priv *priv, char *buf, int bufsz) -@@ -1856,7 +1856,7 @@ static ssize_t iwl_dbgfs_clear_ucode_statistics_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int clear; - - memset(buf, 0, sizeof(buf)); -@@ -1901,7 +1901,7 @@ static ssize_t iwl_dbgfs_ucode_tracing_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int trace; - - memset(buf, 0, sizeof(buf)); -@@ -1972,7 +1972,7 @@ static ssize_t iwl_dbgfs_missed_beacon_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int missed; - - memset(buf, 0, sizeof(buf)); -@@ -2013,7 +2013,7 @@ static ssize_t iwl_dbgfs_plcp_delta_write(struct file *file, - - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int plcp; - - memset(buf, 0, sizeof(buf)); -@@ -2073,7 +2073,7 @@ static ssize_t iwl_dbgfs_txfifo_flush_write(struct file *file, - - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int flush; - - memset(buf, 0, sizeof(buf)); -@@ -2163,7 +2163,7 @@ static ssize_t iwl_dbgfs_protection_mode_write(struct file *file, - - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int rts; - - if (!priv->cfg->ht_params) -@@ -2204,7 +2204,7 @@ static ssize_t iwl_dbgfs_echo_test_write(struct file *file, - { - struct iwl_priv *priv = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); -@@ -2238,7 +2238,7 @@ static ssize_t iwl_dbgfs_log_event_write(struct file *file, - struct iwl_priv *priv = file->private_data; - u32 event_log_flag; - char buf[8]; -- int buf_size; -+ size_t buf_size; - - /* check that the interface is up */ - if (!iwl_is_ready(priv)) -@@ -2292,7 +2292,7 @@ static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file, - struct iwl_priv *priv = file->private_data; - char buf[8]; - u32 calib_disabled; -- int buf_size; -+ size_t buf_size; - - memset(buf, 0, sizeof(buf)); - buf_size = min(count, sizeof(buf) - 1); -diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c -index 699a480..1801fc3 100644 ---- a/drivers/net/wireless/iwlwifi/pcie/trans.c -+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c -@@ -1935,7 +1935,7 @@ static ssize_t iwl_dbgfs_interrupt_write(struct file *file, - struct isr_statistics *isr_stats = &trans_pcie->isr_stats; - - char buf[8]; -- int buf_size; -+ size_t buf_size; - u32 reset_flag; - - memset(buf, 0, sizeof(buf)); -@@ -1956,7 +1956,7 @@ static ssize_t iwl_dbgfs_csr_write(struct file *file, - { - struct iwl_trans *trans = file->private_data; - char buf[8]; -- int buf_size; -+ size_t buf_size; - int csr; - - memset(buf, 0, sizeof(buf)); -diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c -index d5c0a1a..d056b20 100644 ---- a/drivers/net/wireless/mac80211_hwsim.c -+++ b/drivers/net/wireless/mac80211_hwsim.c -@@ -3149,20 +3149,20 @@ static int __init init_mac80211_hwsim(void) - if (channels < 1) - return -EINVAL; - -- mac80211_hwsim_mchan_ops = mac80211_hwsim_ops; -- mac80211_hwsim_mchan_ops.hw_scan = mac80211_hwsim_hw_scan; -- mac80211_hwsim_mchan_ops.cancel_hw_scan = mac80211_hwsim_cancel_hw_scan; -- mac80211_hwsim_mchan_ops.sw_scan_start = NULL; -- mac80211_hwsim_mchan_ops.sw_scan_complete = NULL; -- mac80211_hwsim_mchan_ops.remain_on_channel = mac80211_hwsim_roc; -- mac80211_hwsim_mchan_ops.cancel_remain_on_channel = mac80211_hwsim_croc; -- mac80211_hwsim_mchan_ops.add_chanctx = mac80211_hwsim_add_chanctx; -- mac80211_hwsim_mchan_ops.remove_chanctx = mac80211_hwsim_remove_chanctx; -- mac80211_hwsim_mchan_ops.change_chanctx = mac80211_hwsim_change_chanctx; -- mac80211_hwsim_mchan_ops.assign_vif_chanctx = -- mac80211_hwsim_assign_vif_chanctx; -- mac80211_hwsim_mchan_ops.unassign_vif_chanctx = -- mac80211_hwsim_unassign_vif_chanctx; -+ pax_open_kernel(); -+ memcpy((void *)&mac80211_hwsim_mchan_ops, &mac80211_hwsim_ops, sizeof mac80211_hwsim_mchan_ops); -+ *(void **)&mac80211_hwsim_mchan_ops.hw_scan = mac80211_hwsim_hw_scan; -+ *(void **)&mac80211_hwsim_mchan_ops.cancel_hw_scan = mac80211_hwsim_cancel_hw_scan; -+ *(void **)&mac80211_hwsim_mchan_ops.sw_scan_start = NULL; -+ *(void **)&mac80211_hwsim_mchan_ops.sw_scan_complete = NULL; -+ *(void **)&mac80211_hwsim_mchan_ops.remain_on_channel = mac80211_hwsim_roc; -+ *(void **)&mac80211_hwsim_mchan_ops.cancel_remain_on_channel = mac80211_hwsim_croc; -+ *(void **)&mac80211_hwsim_mchan_ops.add_chanctx = mac80211_hwsim_add_chanctx; -+ *(void **)&mac80211_hwsim_mchan_ops.remove_chanctx = mac80211_hwsim_remove_chanctx; -+ *(void **)&mac80211_hwsim_mchan_ops.change_chanctx = mac80211_hwsim_change_chanctx; -+ *(void **)&mac80211_hwsim_mchan_ops.assign_vif_chanctx = mac80211_hwsim_assign_vif_chanctx; -+ *(void **)&mac80211_hwsim_mchan_ops.unassign_vif_chanctx = mac80211_hwsim_unassign_vif_chanctx; -+ pax_close_kernel(); - - spin_lock_init(&hwsim_radio_lock); - INIT_LIST_HEAD(&hwsim_radios); -diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c -index d72ff8e..c209a45 100644 ---- a/drivers/net/wireless/rndis_wlan.c -+++ b/drivers/net/wireless/rndis_wlan.c -@@ -1236,7 +1236,7 @@ static int set_rts_threshold(struct usbnet *usbdev, u32 rts_threshold) - - netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold); - -- if (rts_threshold < 0 || rts_threshold > 2347) -+ if (rts_threshold > 2347) - rts_threshold = 2347; - - tmp = cpu_to_le32(rts_threshold); -diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h -index 9bb398b..b0cc047 100644 ---- a/drivers/net/wireless/rt2x00/rt2x00.h -+++ b/drivers/net/wireless/rt2x00/rt2x00.h -@@ -375,7 +375,7 @@ struct rt2x00_intf { - * for hardware which doesn't support hardware - * sequence counting. - */ -- atomic_t seqno; -+ atomic_unchecked_t seqno; - }; - - static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif) -diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c -index 68b620b..92ecd9e 100644 ---- a/drivers/net/wireless/rt2x00/rt2x00queue.c -+++ b/drivers/net/wireless/rt2x00/rt2x00queue.c -@@ -224,9 +224,9 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev, - * sequence counter given by mac80211. - */ - if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)) -- seqno = atomic_add_return(0x10, &intf->seqno); -+ seqno = atomic_add_return_unchecked(0x10, &intf->seqno); - else -- seqno = atomic_read(&intf->seqno); -+ seqno = atomic_read_unchecked(&intf->seqno); - - hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); - hdr->seq_ctrl |= cpu_to_le16(seqno); -diff --git a/drivers/net/wireless/ti/wl1251/sdio.c b/drivers/net/wireless/ti/wl1251/sdio.c -index b661f896..ddf7d2b 100644 ---- a/drivers/net/wireless/ti/wl1251/sdio.c -+++ b/drivers/net/wireless/ti/wl1251/sdio.c -@@ -282,13 +282,17 @@ static int wl1251_sdio_probe(struct sdio_func *func, - - irq_set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); - -- wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq; -- wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq; -+ pax_open_kernel(); -+ *(void **)&wl1251_sdio_ops.enable_irq = wl1251_enable_line_irq; -+ *(void **)&wl1251_sdio_ops.disable_irq = wl1251_disable_line_irq; -+ pax_close_kernel(); - - wl1251_info("using dedicated interrupt line"); - } else { -- wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq; -- wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq; -+ pax_open_kernel(); -+ *(void **)&wl1251_sdio_ops.enable_irq = wl1251_sdio_enable_irq; -+ *(void **)&wl1251_sdio_ops.disable_irq = wl1251_sdio_disable_irq; -+ pax_close_kernel(); - - wl1251_info("using SDIO interrupt"); - } -diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c -index af0fe2e..d04986b 100644 ---- a/drivers/net/wireless/ti/wl12xx/main.c -+++ b/drivers/net/wireless/ti/wl12xx/main.c -@@ -655,7 +655,9 @@ static int wl12xx_identify_chip(struct wl1271 *wl) - sizeof(wl->conf.mem)); - - /* read data preparation is only needed by wl127x */ -- wl->ops->prepare_read = wl127x_prepare_read; -+ pax_open_kernel(); -+ *(void **)&wl->ops->prepare_read = wl127x_prepare_read; -+ pax_close_kernel(); - - wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, - WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, -@@ -680,7 +682,9 @@ static int wl12xx_identify_chip(struct wl1271 *wl) - sizeof(wl->conf.mem)); - - /* read data preparation is only needed by wl127x */ -- wl->ops->prepare_read = wl127x_prepare_read; -+ pax_open_kernel(); -+ *(void **)&wl->ops->prepare_read = wl127x_prepare_read; -+ pax_close_kernel(); - - wlcore_set_min_fw_ver(wl, WL127X_CHIP_VER, - WL127X_IFTYPE_SR_VER, WL127X_MAJOR_SR_VER, -diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c -index 717c4f5..a813aeb 100644 ---- a/drivers/net/wireless/ti/wl18xx/main.c -+++ b/drivers/net/wireless/ti/wl18xx/main.c -@@ -1923,8 +1923,10 @@ static int wl18xx_setup(struct wl1271 *wl) - } - - if (!checksum_param) { -- wl18xx_ops.set_rx_csum = NULL; -- wl18xx_ops.init_vif = NULL; -+ pax_open_kernel(); -+ *(void **)&wl18xx_ops.set_rx_csum = NULL; -+ *(void **)&wl18xx_ops.init_vif = NULL; -+ pax_close_kernel(); - } - - /* Enable 11a Band only if we have 5G antennas */ -diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c -index a912dc0..a8225ba 100644 ---- a/drivers/net/wireless/zd1211rw/zd_usb.c -+++ b/drivers/net/wireless/zd1211rw/zd_usb.c -@@ -385,7 +385,7 @@ static inline void handle_regs_int(struct urb *urb) - { - struct zd_usb *usb = urb->context; - struct zd_usb_interrupt *intr = &usb->intr; -- int len; -+ unsigned int len; - u16 int_num; - - ZD_ASSERT(in_interrupt()); -diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c -index 0d25943..0866c5d 100644 ---- a/drivers/net/xen-netback/netback.c -+++ b/drivers/net/xen-netback/netback.c -@@ -1571,13 +1571,13 @@ static inline void xenvif_tx_dealloc_action(struct xenvif_queue *queue) - smp_rmb(); - - while (dc != dp) { -- BUG_ON(gop - queue->tx_unmap_ops > MAX_PENDING_REQS); -+ BUG_ON(gop - queue->tx_unmap_ops >= MAX_PENDING_REQS); - pending_idx = - queue->dealloc_ring[pending_index(dc++)]; - -- pending_idx_release[gop-queue->tx_unmap_ops] = -+ pending_idx_release[gop - queue->tx_unmap_ops] = - pending_idx; -- queue->pages_to_unmap[gop-queue->tx_unmap_ops] = -+ queue->pages_to_unmap[gop - queue->tx_unmap_ops] = - queue->mmap_pages[pending_idx]; - gnttab_set_unmap_op(gop, - idx_to_kaddr(queue, pending_idx), -diff --git a/drivers/nfc/nfcwilink.c b/drivers/nfc/nfcwilink.c -index ce2e2cf..f81e500 100644 ---- a/drivers/nfc/nfcwilink.c -+++ b/drivers/nfc/nfcwilink.c -@@ -497,7 +497,7 @@ static struct nci_ops nfcwilink_ops = { - - static int nfcwilink_probe(struct platform_device *pdev) - { -- static struct nfcwilink *drv; -+ struct nfcwilink *drv; - int rc; - __u32 protocols; - -diff --git a/drivers/nfc/st21nfca/st21nfca.c b/drivers/nfc/st21nfca/st21nfca.c -index d251f72..0512865 100644 ---- a/drivers/nfc/st21nfca/st21nfca.c -+++ b/drivers/nfc/st21nfca/st21nfca.c -@@ -148,14 +148,14 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev) - ST21NFCA_DEVICE_MGNT_GATE, - ST21NFCA_DEVICE_MGNT_PIPE); - if (r < 0) -- goto free_info; -+ return r; - - /* Get pipe list */ - r = nfc_hci_send_cmd(hdev, ST21NFCA_DEVICE_MGNT_GATE, - ST21NFCA_DM_GETINFO, pipe_list, sizeof(pipe_list), - &skb_pipe_list); - if (r < 0) -- goto free_info; -+ return r; - - /* Complete the existing gate_pipe table */ - for (i = 0; i < skb_pipe_list->len; i++) { -@@ -181,6 +181,7 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev) - info->src_host_id != ST21NFCA_ESE_HOST_ID) { - pr_err("Unexpected apdu_reader pipe on host %x\n", - info->src_host_id); -+ kfree_skb(skb_pipe_info); - continue; - } - -@@ -200,6 +201,7 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev) - hdev->pipes[st21nfca_gates[j].pipe].dest_host = - info->src_host_id; - } -+ kfree_skb(skb_pipe_info); - } - - /* -@@ -214,13 +216,12 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev) - st21nfca_gates[i].gate, - st21nfca_gates[i].pipe); - if (r < 0) -- goto free_info; -+ goto free_list; - } - } - - memcpy(hdev->init_data.gates, st21nfca_gates, sizeof(st21nfca_gates)); --free_info: -- kfree_skb(skb_pipe_info); -+free_list: - kfree_skb(skb_pipe_list); - return r; - } -diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c -index cde35c5d01..2dbfdbbf 100644 ---- a/drivers/of/fdt.c -+++ b/drivers/of/fdt.c -@@ -1136,7 +1136,9 @@ static int __init of_fdt_raw_init(void) - pr_warn("fdt: not creating '/sys/firmware/fdt': CRC check failed\n"); - return 0; - } -- of_fdt_raw_attr.size = fdt_totalsize(initial_boot_params); -+ pax_open_kernel(); -+ *(size_t *)&of_fdt_raw_attr.size = fdt_totalsize(initial_boot_params); -+ pax_close_kernel(); - return sysfs_create_bin_file(firmware_kobj, &of_fdt_raw_attr); - } - late_initcall(of_fdt_raw_init); -diff --git a/drivers/oprofile/buffer_sync.c b/drivers/oprofile/buffer_sync.c -index 82f7000..d6d0447 100644 ---- a/drivers/oprofile/buffer_sync.c -+++ b/drivers/oprofile/buffer_sync.c -@@ -345,7 +345,7 @@ static void add_data(struct op_entry *entry, struct mm_struct *mm) - if (cookie == NO_COOKIE) - offset = pc; - if (cookie == INVALID_COOKIE) { -- atomic_inc(&oprofile_stats.sample_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping); - offset = pc; - } - if (cookie != last_cookie) { -@@ -389,14 +389,14 @@ add_sample(struct mm_struct *mm, struct op_sample *s, int in_kernel) - /* add userspace sample */ - - if (!mm) { -- atomic_inc(&oprofile_stats.sample_lost_no_mm); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mm); - return 0; - } - - cookie = lookup_dcookie(mm, s->eip, &offset); - - if (cookie == INVALID_COOKIE) { -- atomic_inc(&oprofile_stats.sample_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping); - return 0; - } - -@@ -554,7 +554,7 @@ void sync_buffer(int cpu) - /* ignore backtraces if failed to add a sample */ - if (state == sb_bt_start) { - state = sb_bt_ignore; -- atomic_inc(&oprofile_stats.bt_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.bt_lost_no_mapping); - } - } - release_mm(mm); -diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c -index c0cc4e7..44d4e54 100644 ---- a/drivers/oprofile/event_buffer.c -+++ b/drivers/oprofile/event_buffer.c -@@ -53,7 +53,7 @@ void add_event_entry(unsigned long value) - } - - if (buffer_pos == buffer_size) { -- atomic_inc(&oprofile_stats.event_lost_overflow); -+ atomic_inc_unchecked(&oprofile_stats.event_lost_overflow); - return; - } - -diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c -index ed2c3ec..deda85a 100644 ---- a/drivers/oprofile/oprof.c -+++ b/drivers/oprofile/oprof.c -@@ -110,7 +110,7 @@ static void switch_worker(struct work_struct *work) - if (oprofile_ops.switch_events()) - return; - -- atomic_inc(&oprofile_stats.multiplex_counter); -+ atomic_inc_unchecked(&oprofile_stats.multiplex_counter); - start_switch_worker(); - } - -diff --git a/drivers/oprofile/oprofile_files.c b/drivers/oprofile/oprofile_files.c -index ee2cfce..7f8f699 100644 ---- a/drivers/oprofile/oprofile_files.c -+++ b/drivers/oprofile/oprofile_files.c -@@ -27,7 +27,7 @@ unsigned long oprofile_time_slice; - - #ifdef CONFIG_OPROFILE_EVENT_MULTIPLEX - --static ssize_t timeout_read(struct file *file, char __user *buf, -+static ssize_t __intentional_overflow(-1) timeout_read(struct file *file, char __user *buf, - size_t count, loff_t *offset) - { - return oprofilefs_ulong_to_user(jiffies_to_msecs(oprofile_time_slice), -diff --git a/drivers/oprofile/oprofile_stats.c b/drivers/oprofile/oprofile_stats.c -index 59659ce..6c860a0 100644 ---- a/drivers/oprofile/oprofile_stats.c -+++ b/drivers/oprofile/oprofile_stats.c -@@ -30,11 +30,11 @@ void oprofile_reset_stats(void) - cpu_buf->sample_invalid_eip = 0; - } - -- atomic_set(&oprofile_stats.sample_lost_no_mm, 0); -- atomic_set(&oprofile_stats.sample_lost_no_mapping, 0); -- atomic_set(&oprofile_stats.event_lost_overflow, 0); -- atomic_set(&oprofile_stats.bt_lost_no_mapping, 0); -- atomic_set(&oprofile_stats.multiplex_counter, 0); -+ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mm, 0); -+ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mapping, 0); -+ atomic_set_unchecked(&oprofile_stats.event_lost_overflow, 0); -+ atomic_set_unchecked(&oprofile_stats.bt_lost_no_mapping, 0); -+ atomic_set_unchecked(&oprofile_stats.multiplex_counter, 0); - } - - -diff --git a/drivers/oprofile/oprofile_stats.h b/drivers/oprofile/oprofile_stats.h -index 1fc622b..8c48fc3 100644 ---- a/drivers/oprofile/oprofile_stats.h -+++ b/drivers/oprofile/oprofile_stats.h -@@ -13,11 +13,11 @@ - #include <linux/atomic.h> - - struct oprofile_stat_struct { -- atomic_t sample_lost_no_mm; -- atomic_t sample_lost_no_mapping; -- atomic_t bt_lost_no_mapping; -- atomic_t event_lost_overflow; -- atomic_t multiplex_counter; -+ atomic_unchecked_t sample_lost_no_mm; -+ atomic_unchecked_t sample_lost_no_mapping; -+ atomic_unchecked_t bt_lost_no_mapping; -+ atomic_unchecked_t event_lost_overflow; -+ atomic_unchecked_t multiplex_counter; - }; - - extern struct oprofile_stat_struct oprofile_stats; -diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c -index dd92c5e..dfc04b5 100644 ---- a/drivers/oprofile/oprofilefs.c -+++ b/drivers/oprofile/oprofilefs.c -@@ -176,8 +176,8 @@ int oprofilefs_create_ro_ulong(struct dentry *root, - - static ssize_t atomic_read_file(struct file *file, char __user *buf, size_t count, loff_t *offset) - { -- atomic_t *val = file->private_data; -- return oprofilefs_ulong_to_user(atomic_read(val), buf, count, offset); -+ atomic_unchecked_t *val = file->private_data; -+ return oprofilefs_ulong_to_user(atomic_read_unchecked(val), buf, count, offset); - } - - -@@ -189,7 +189,7 @@ static const struct file_operations atomic_ro_fops = { - - - int oprofilefs_create_ro_atomic(struct dentry *root, -- char const *name, atomic_t *val) -+ char const *name, atomic_unchecked_t *val) - { - return __oprofilefs_create_file(root, name, - &atomic_ro_fops, 0444, val); -diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c -index bdef916..88c7dee 100644 ---- a/drivers/oprofile/timer_int.c -+++ b/drivers/oprofile/timer_int.c -@@ -93,7 +93,7 @@ static int oprofile_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __refdata oprofile_cpu_notifier = { -+static struct notifier_block oprofile_cpu_notifier = { - .notifier_call = oprofile_cpu_notify, - }; - -diff --git a/drivers/parport/procfs.c b/drivers/parport/procfs.c -index 3b47080..6cd05dd 100644 ---- a/drivers/parport/procfs.c -+++ b/drivers/parport/procfs.c -@@ -64,7 +64,7 @@ static int do_active_device(struct ctl_table *table, int write, - - *ppos += len; - -- return copy_to_user(result, buffer, len) ? -EFAULT : 0; -+ return (len > sizeof buffer || copy_to_user(result, buffer, len)) ? -EFAULT : 0; - } - - #ifdef CONFIG_PARPORT_1284 -@@ -106,7 +106,7 @@ static int do_autoprobe(struct ctl_table *table, int write, - - *ppos += len; - -- return copy_to_user (result, buffer, len) ? -EFAULT : 0; -+ return (len > sizeof buffer || copy_to_user (result, buffer, len)) ? -EFAULT : 0; - } - #endif /* IEEE1284.3 support. */ - -diff --git a/drivers/pci/host/pci-host-generic.c b/drivers/pci/host/pci-host-generic.c -index ba46e58..90cfc24 100644 ---- a/drivers/pci/host/pci-host-generic.c -+++ b/drivers/pci/host/pci-host-generic.c -@@ -26,9 +26,9 @@ - #include <linux/platform_device.h> - - struct gen_pci_cfg_bus_ops { -+ struct pci_ops ops; - u32 bus_shift; -- void __iomem *(*map_bus)(struct pci_bus *, unsigned int, int); --}; -+} __do_const; - - struct gen_pci_cfg_windows { - struct resource res; -@@ -56,8 +56,12 @@ static void __iomem *gen_pci_map_cfg_bus_cam(struct pci_bus *bus, - } - - static struct gen_pci_cfg_bus_ops gen_pci_cfg_cam_bus_ops = { -+ .ops = { -+ .map_bus = gen_pci_map_cfg_bus_cam, -+ .read = pci_generic_config_read, -+ .write = pci_generic_config_write, -+ }, - .bus_shift = 16, -- .map_bus = gen_pci_map_cfg_bus_cam, - }; - - static void __iomem *gen_pci_map_cfg_bus_ecam(struct pci_bus *bus, -@@ -72,13 +76,12 @@ static void __iomem *gen_pci_map_cfg_bus_ecam(struct pci_bus *bus, - } - - static struct gen_pci_cfg_bus_ops gen_pci_cfg_ecam_bus_ops = { -+ .ops = { -+ .map_bus = gen_pci_map_cfg_bus_ecam, -+ .read = pci_generic_config_read, -+ .write = pci_generic_config_write, -+ }, - .bus_shift = 20, -- .map_bus = gen_pci_map_cfg_bus_ecam, --}; -- --static struct pci_ops gen_pci_ops = { -- .read = pci_generic_config_read, -- .write = pci_generic_config_write, - }; - - static const struct of_device_id gen_pci_of_match[] = { -@@ -219,7 +222,6 @@ static int gen_pci_probe(struct platform_device *pdev) - .private_data = (void **)&pci, - .setup = gen_pci_setup, - .map_irq = of_irq_parse_and_map_pci, -- .ops = &gen_pci_ops, - }; - - if (!pci) -@@ -241,7 +243,7 @@ static int gen_pci_probe(struct platform_device *pdev) - - of_id = of_match_node(gen_pci_of_match, np); - pci->cfg.ops = of_id->data; -- gen_pci_ops.map_bus = pci->cfg.ops->map_bus; -+ hw.ops = &pci->cfg.ops->ops; - pci->host.dev.parent = dev; - INIT_LIST_HEAD(&pci->host.windows); - INIT_LIST_HEAD(&pci->resources); -diff --git a/drivers/pci/hotplug/acpiphp_ibm.c b/drivers/pci/hotplug/acpiphp_ibm.c -index 6ca2399..68d866b 100644 ---- a/drivers/pci/hotplug/acpiphp_ibm.c -+++ b/drivers/pci/hotplug/acpiphp_ibm.c -@@ -452,7 +452,9 @@ static int __init ibm_acpiphp_init(void) - goto init_cleanup; - } - -- ibm_apci_table_attr.size = ibm_get_table_from_acpi(NULL); -+ pax_open_kernel(); -+ *(size_t *)&ibm_apci_table_attr.size = ibm_get_table_from_acpi(NULL); -+ pax_close_kernel(); - retval = sysfs_create_bin_file(sysdir, &ibm_apci_table_attr); - - return retval; -diff --git a/drivers/pci/hotplug/cpcihp_generic.c b/drivers/pci/hotplug/cpcihp_generic.c -index 66b7bbe..26bee78 100644 ---- a/drivers/pci/hotplug/cpcihp_generic.c -+++ b/drivers/pci/hotplug/cpcihp_generic.c -@@ -73,7 +73,6 @@ static u16 port; - static unsigned int enum_bit; - static u8 enum_mask; - --static struct cpci_hp_controller_ops generic_hpc_ops; - static struct cpci_hp_controller generic_hpc; - - static int __init validate_parameters(void) -@@ -139,6 +138,10 @@ static int query_enum(void) - return ((value & enum_mask) == enum_mask); - } - -+static struct cpci_hp_controller_ops generic_hpc_ops = { -+ .query_enum = query_enum, -+}; -+ - static int __init cpcihp_generic_init(void) - { - int status; -@@ -165,7 +168,6 @@ static int __init cpcihp_generic_init(void) - pci_dev_put(dev); - - memset(&generic_hpc, 0, sizeof (struct cpci_hp_controller)); -- generic_hpc_ops.query_enum = query_enum; - generic_hpc.ops = &generic_hpc_ops; - - status = cpci_hp_register_controller(&generic_hpc); -diff --git a/drivers/pci/hotplug/cpcihp_zt5550.c b/drivers/pci/hotplug/cpcihp_zt5550.c -index 7ecf34e..effed62 100644 ---- a/drivers/pci/hotplug/cpcihp_zt5550.c -+++ b/drivers/pci/hotplug/cpcihp_zt5550.c -@@ -59,7 +59,6 @@ - /* local variables */ - static bool debug; - static bool poll; --static struct cpci_hp_controller_ops zt5550_hpc_ops; - static struct cpci_hp_controller zt5550_hpc; - - /* Primary cPCI bus bridge device */ -@@ -204,6 +203,10 @@ static int zt5550_hc_disable_irq(void) - return 0; - } - -+static struct cpci_hp_controller_ops zt5550_hpc_ops = { -+ .query_enum = zt5550_hc_query_enum, -+}; -+ - static int zt5550_hc_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) - { - int status; -@@ -215,16 +218,17 @@ static int zt5550_hc_init_one (struct pci_dev *pdev, const struct pci_device_id - dbg("returned from zt5550_hc_config"); - - memset(&zt5550_hpc, 0, sizeof (struct cpci_hp_controller)); -- zt5550_hpc_ops.query_enum = zt5550_hc_query_enum; - zt5550_hpc.ops = &zt5550_hpc_ops; - if (!poll) { - zt5550_hpc.irq = hc_dev->irq; - zt5550_hpc.irq_flags = IRQF_SHARED; - zt5550_hpc.dev_id = hc_dev; - -- zt5550_hpc_ops.enable_irq = zt5550_hc_enable_irq; -- zt5550_hpc_ops.disable_irq = zt5550_hc_disable_irq; -- zt5550_hpc_ops.check_irq = zt5550_hc_check_irq; -+ pax_open_kernel(); -+ *(void **)&zt5550_hpc_ops.enable_irq = zt5550_hc_enable_irq; -+ *(void **)&zt5550_hpc_ops.disable_irq = zt5550_hc_disable_irq; -+ *(void **)&zt5550_hpc_ops.check_irq = zt5550_hc_check_irq; -+ pax_open_kernel(); - } else { - info("using ENUM# polling mode"); - } -diff --git a/drivers/pci/hotplug/cpqphp_nvram.c b/drivers/pci/hotplug/cpqphp_nvram.c -index 1e08ff8c..3cd145f 100644 ---- a/drivers/pci/hotplug/cpqphp_nvram.c -+++ b/drivers/pci/hotplug/cpqphp_nvram.c -@@ -425,8 +425,10 @@ static u32 store_HRT (void __iomem *rom_start) - - void compaq_nvram_init (void __iomem *rom_start) - { -+#ifndef CONFIG_PAX_KERNEXEC - if (rom_start) - compaq_int15_entry_point = (rom_start + ROM_INT15_PHY_ADDR - ROM_PHY_ADDR); -+#endif - - dbg("int15 entry = %p\n", compaq_int15_entry_point); - -diff --git a/drivers/pci/hotplug/pci_hotplug_core.c b/drivers/pci/hotplug/pci_hotplug_core.c -index 56d8486..f26113f 100644 ---- a/drivers/pci/hotplug/pci_hotplug_core.c -+++ b/drivers/pci/hotplug/pci_hotplug_core.c -@@ -436,8 +436,10 @@ int __pci_hp_register(struct hotplug_slot *slot, struct pci_bus *bus, - return -EINVAL; - } - -- slot->ops->owner = owner; -- slot->ops->mod_name = mod_name; -+ pax_open_kernel(); -+ *(struct module **)&slot->ops->owner = owner; -+ *(const char **)&slot->ops->mod_name = mod_name; -+ pax_close_kernel(); - - mutex_lock(&pci_hp_mutex); - /* -diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c -index 07aa722..84514b4 100644 ---- a/drivers/pci/hotplug/pciehp_core.c -+++ b/drivers/pci/hotplug/pciehp_core.c -@@ -92,7 +92,7 @@ static int init_slot(struct controller *ctrl) - struct slot *slot = ctrl->slot; - struct hotplug_slot *hotplug = NULL; - struct hotplug_slot_info *info = NULL; -- struct hotplug_slot_ops *ops = NULL; -+ hotplug_slot_ops_no_const *ops = NULL; - char name[SLOT_NAME_SIZE]; - int retval = -ENOMEM; - -diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c -index c3e7dfc..cbd9625 100644 ---- a/drivers/pci/msi.c -+++ b/drivers/pci/msi.c -@@ -513,8 +513,8 @@ static int populate_msi_sysfs(struct pci_dev *pdev) - { - struct attribute **msi_attrs; - struct attribute *msi_attr; -- struct device_attribute *msi_dev_attr; -- struct attribute_group *msi_irq_group; -+ device_attribute_no_const *msi_dev_attr; -+ attribute_group_no_const *msi_irq_group; - const struct attribute_group **msi_irq_groups; - struct msi_desc *entry; - int ret = -ENOMEM; -@@ -573,7 +573,7 @@ error_attrs: - count = 0; - msi_attr = msi_attrs[count]; - while (msi_attr) { -- msi_dev_attr = container_of(msi_attr, struct device_attribute, attr); -+ msi_dev_attr = container_of(msi_attr, device_attribute_no_const, attr); - kfree(msi_attr->name); - kfree(msi_dev_attr); - ++count; -diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c -index 312f23a..d21181c 100644 ---- a/drivers/pci/pci-sysfs.c -+++ b/drivers/pci/pci-sysfs.c -@@ -1140,7 +1140,7 @@ static int pci_create_attr(struct pci_dev *pdev, int num, int write_combine) - { - /* allocate attribute structure, piggyback attribute name */ - int name_len = write_combine ? 13 : 10; -- struct bin_attribute *res_attr; -+ bin_attribute_no_const *res_attr; - int retval; - - res_attr = kzalloc(sizeof(*res_attr) + name_len, GFP_ATOMIC); -@@ -1317,7 +1317,7 @@ static struct device_attribute reset_attr = __ATTR(reset, 0200, NULL, reset_stor - static int pci_create_capabilities_sysfs(struct pci_dev *dev) - { - int retval; -- struct bin_attribute *attr; -+ bin_attribute_no_const *attr; - - /* If the device has VPD, try to expose it in sysfs. */ - if (dev->vpd) { -@@ -1364,7 +1364,7 @@ int __must_check pci_create_sysfs_dev_files(struct pci_dev *pdev) - { - int retval; - int rom_size = 0; -- struct bin_attribute *attr; -+ bin_attribute_no_const *attr; - - if (!sysfs_initialized) - return -EACCES; -diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h -index 9bd762c2..6fb9504 100644 ---- a/drivers/pci/pci.h -+++ b/drivers/pci/pci.h -@@ -99,7 +99,7 @@ struct pci_vpd_ops { - struct pci_vpd { - unsigned int len; - const struct pci_vpd_ops *ops; -- struct bin_attribute *attr; /* descriptor for sysfs VPD entry */ -+ bin_attribute_no_const *attr; /* descriptor for sysfs VPD entry */ - }; - - int pci_vpd_pci22_init(struct pci_dev *dev); -diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c -index 7d4fcdc..2f6d8f8 100644 ---- a/drivers/pci/pcie/aspm.c -+++ b/drivers/pci/pcie/aspm.c -@@ -27,9 +27,9 @@ - #define MODULE_PARAM_PREFIX "pcie_aspm." - - /* Note: those are not register definitions */ --#define ASPM_STATE_L0S_UP (1) /* Upstream direction L0s state */ --#define ASPM_STATE_L0S_DW (2) /* Downstream direction L0s state */ --#define ASPM_STATE_L1 (4) /* L1 state */ -+#define ASPM_STATE_L0S_UP (1U) /* Upstream direction L0s state */ -+#define ASPM_STATE_L0S_DW (2U) /* Downstream direction L0s state */ -+#define ASPM_STATE_L1 (4U) /* L1 state */ - #define ASPM_STATE_L0S (ASPM_STATE_L0S_UP | ASPM_STATE_L0S_DW) - #define ASPM_STATE_ALL (ASPM_STATE_L0S | ASPM_STATE_L1) - -diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c -index be35da2..ec16cdb 100644 ---- a/drivers/pci/pcie/portdrv_pci.c -+++ b/drivers/pci/pcie/portdrv_pci.c -@@ -324,7 +324,7 @@ static int __init dmi_pcie_pme_disable_msi(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata pcie_portdrv_dmi_table[] = { -+static const struct dmi_system_id __initconst pcie_portdrv_dmi_table[] = { - /* - * Boxes that should not use MSI for PCIe PME signaling. - */ -diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c -index c911857..56f3f9d 100644 ---- a/drivers/pci/probe.c -+++ b/drivers/pci/probe.c -@@ -176,7 +176,7 @@ int __pci_read_base(struct pci_dev *dev, enum pci_bar_type type, - u16 orig_cmd; - struct pci_bus_region region, inverted_region; - -- mask = type ? PCI_ROM_ADDRESS_MASK : ~0; -+ mask = type ? (u32)PCI_ROM_ADDRESS_MASK : ~0; - - /* No printks while decoding is disabled! */ - if (!dev->mmio_always_on) { -diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c -index 3f155e7..0f4b1f0 100644 ---- a/drivers/pci/proc.c -+++ b/drivers/pci/proc.c -@@ -434,7 +434,16 @@ static const struct file_operations proc_bus_pci_dev_operations = { - static int __init pci_proc_init(void) - { - struct pci_dev *dev = NULL; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR, NULL); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL); -+#endif -+#else - proc_bus_pci_dir = proc_mkdir("bus/pci", NULL); -+#endif - proc_create("devices", 0, proc_bus_pci_dir, - &proc_bus_pci_dev_operations); - proc_initialized = 1; -diff --git a/drivers/platform/chrome/chromeos_pstore.c b/drivers/platform/chrome/chromeos_pstore.c -index 3474920..acc9581 100644 ---- a/drivers/platform/chrome/chromeos_pstore.c -+++ b/drivers/platform/chrome/chromeos_pstore.c -@@ -13,7 +13,7 @@ - #include <linux/platform_device.h> - #include <linux/pstore_ram.h> - --static struct dmi_system_id chromeos_pstore_dmi_table[] __initdata = { -+static const struct dmi_system_id chromeos_pstore_dmi_table[] __initconst = { - { - /* - * Today all Chromebooks/boxes ship with Google_* as version and -diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c -index 1e1e594..8fe59c5 100644 ---- a/drivers/platform/x86/alienware-wmi.c -+++ b/drivers/platform/x86/alienware-wmi.c -@@ -150,7 +150,7 @@ struct wmax_led_args { - } __packed; - - static struct platform_device *platform_device; --static struct device_attribute *zone_dev_attrs; -+static device_attribute_no_const *zone_dev_attrs; - static struct attribute **zone_attrs; - static struct platform_zone *zone_data; - -@@ -160,7 +160,7 @@ static struct platform_driver platform_driver = { - } - }; - --static struct attribute_group zone_attribute_group = { -+static attribute_group_no_const zone_attribute_group = { - .name = "rgb_zones", - }; - -diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c -index 7543a56..367ca8ed 100644 ---- a/drivers/platform/x86/asus-wmi.c -+++ b/drivers/platform/x86/asus-wmi.c -@@ -1589,6 +1589,10 @@ static int show_dsts(struct seq_file *m, void *data) - int err; - u32 retval = -1; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval); - - if (err < 0) -@@ -1605,6 +1609,10 @@ static int show_devs(struct seq_file *m, void *data) - int err; - u32 retval = -1; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param, - &retval); - -@@ -1629,6 +1637,10 @@ static int show_call(struct seq_file *m, void *data) - union acpi_object *obj; - acpi_status status; - -+#ifdef CONFIG_GRKERNSEC_KMEM -+ return -EPERM; -+#endif -+ - status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, - 1, asus->debug.method_id, - &input, &output); -diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c -index b4e9447..9dc6ec34 100644 ---- a/drivers/platform/x86/compal-laptop.c -+++ b/drivers/platform/x86/compal-laptop.c -@@ -765,7 +765,7 @@ static int dmi_check_cb_extra(const struct dmi_system_id *id) - return 1; - } - --static struct dmi_system_id __initdata compal_dmi_table[] = { -+static const struct dmi_system_id __initconst compal_dmi_table[] = { - { - .ident = "FL90/IFL90", - .matches = { -diff --git a/drivers/platform/x86/hdaps.c b/drivers/platform/x86/hdaps.c -index 458e6c9..089aee7 100644 ---- a/drivers/platform/x86/hdaps.c -+++ b/drivers/platform/x86/hdaps.c -@@ -514,7 +514,7 @@ static int __init hdaps_dmi_match_invert(const struct dmi_system_id *id) - "ThinkPad T42p", so the order of the entries matters. - If your ThinkPad is not recognized, please update to latest - BIOS. This is especially the case for some R52 ThinkPads. */ --static struct dmi_system_id __initdata hdaps_whitelist[] = { -+static const struct dmi_system_id __initconst hdaps_whitelist[] = { - HDAPS_DMI_MATCH_INVERT("IBM", "ThinkPad R50p", HDAPS_BOTH_AXES), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R50"), - HDAPS_DMI_MATCH_NORMAL("IBM", "ThinkPad R51"), -diff --git a/drivers/platform/x86/ibm_rtl.c b/drivers/platform/x86/ibm_rtl.c -index 97c2be1..2ee50ce 100644 ---- a/drivers/platform/x86/ibm_rtl.c -+++ b/drivers/platform/x86/ibm_rtl.c -@@ -227,7 +227,7 @@ static void rtl_teardown_sysfs(void) { - } - - --static struct dmi_system_id __initdata ibm_rtl_dmi_table[] = { -+static const struct dmi_system_id __initconst ibm_rtl_dmi_table[] = { - { \ - .matches = { \ - DMI_MATCH(DMI_SYS_VENDOR, "IBM"), \ -diff --git a/drivers/platform/x86/intel_oaktrail.c b/drivers/platform/x86/intel_oaktrail.c -index 8037c8b..f88445c 100644 ---- a/drivers/platform/x86/intel_oaktrail.c -+++ b/drivers/platform/x86/intel_oaktrail.c -@@ -298,7 +298,7 @@ static int dmi_check_cb(const struct dmi_system_id *id) - return 0; - } - --static struct dmi_system_id __initdata oaktrail_dmi_table[] = { -+static const struct dmi_system_id __initconst oaktrail_dmi_table[] = { - { - .ident = "OakTrail platform", - .matches = { -diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c -index 0859877..59d596d 100644 ---- a/drivers/platform/x86/msi-laptop.c -+++ b/drivers/platform/x86/msi-laptop.c -@@ -604,7 +604,7 @@ static int dmi_check_cb(const struct dmi_system_id *dmi) - return 1; - } - --static struct dmi_system_id __initdata msi_dmi_table[] = { -+static const struct dmi_system_id __initconst msi_dmi_table[] = { - { - .ident = "MSI S270", - .matches = { -@@ -999,12 +999,14 @@ static int __init load_scm_model_init(struct platform_device *sdev) - - if (!quirks->ec_read_only) { - /* allow userland write sysfs file */ -- dev_attr_bluetooth.store = store_bluetooth; -- dev_attr_wlan.store = store_wlan; -- dev_attr_threeg.store = store_threeg; -- dev_attr_bluetooth.attr.mode |= S_IWUSR; -- dev_attr_wlan.attr.mode |= S_IWUSR; -- dev_attr_threeg.attr.mode |= S_IWUSR; -+ pax_open_kernel(); -+ *(void **)&dev_attr_bluetooth.store = store_bluetooth; -+ *(void **)&dev_attr_wlan.store = store_wlan; -+ *(void **)&dev_attr_threeg.store = store_threeg; -+ *(umode_t *)&dev_attr_bluetooth.attr.mode |= S_IWUSR; -+ *(umode_t *)&dev_attr_wlan.attr.mode |= S_IWUSR; -+ *(umode_t *)&dev_attr_threeg.attr.mode |= S_IWUSR; -+ pax_close_kernel(); - } - - /* disable hardware control by fn key */ -diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c -index 6d2bac0..ec2b029 100644 ---- a/drivers/platform/x86/msi-wmi.c -+++ b/drivers/platform/x86/msi-wmi.c -@@ -183,7 +183,7 @@ static const struct backlight_ops msi_backlight_ops = { - static void msi_wmi_notify(u32 value, void *context) - { - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; -- static struct key_entry *key; -+ struct key_entry *key; - union acpi_object *obj; - acpi_status status; - -diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c -index 9e701b2..c68a7b5 100644 ---- a/drivers/platform/x86/samsung-laptop.c -+++ b/drivers/platform/x86/samsung-laptop.c -@@ -1567,7 +1567,7 @@ static int __init samsung_dmi_matched(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id __initdata samsung_dmi_table[] = { -+static const struct dmi_system_id __initconst samsung_dmi_table[] = { - { - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, -diff --git a/drivers/platform/x86/samsung-q10.c b/drivers/platform/x86/samsung-q10.c -index e6aac72..e11ff24 100644 ---- a/drivers/platform/x86/samsung-q10.c -+++ b/drivers/platform/x86/samsung-q10.c -@@ -95,7 +95,7 @@ static int __init dmi_check_callback(const struct dmi_system_id *id) - return 1; - } - --static struct dmi_system_id __initdata samsungq10_dmi_table[] = { -+static const struct dmi_system_id __initconst samsungq10_dmi_table[] = { - { - .ident = "Samsung Q10", - .matches = { -diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c -index e51c1e7..71bb385 100644 ---- a/drivers/platform/x86/sony-laptop.c -+++ b/drivers/platform/x86/sony-laptop.c -@@ -2526,7 +2526,7 @@ static void sony_nc_gfx_switch_cleanup(struct platform_device *pd) - } - - /* High speed charging function */ --static struct device_attribute *hsc_handle; -+static device_attribute_no_const *hsc_handle; - - static ssize_t sony_nc_highspeed_charging_store(struct device *dev, - struct device_attribute *attr, -@@ -2600,7 +2600,7 @@ static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd) - } - - /* low battery function */ --static struct device_attribute *lowbatt_handle; -+static device_attribute_no_const *lowbatt_handle; - - static ssize_t sony_nc_lowbatt_store(struct device *dev, - struct device_attribute *attr, -@@ -2666,7 +2666,7 @@ static void sony_nc_lowbatt_cleanup(struct platform_device *pd) - } - - /* fan speed function */ --static struct device_attribute *fan_handle, *hsf_handle; -+static device_attribute_no_const *fan_handle, *hsf_handle; - - static ssize_t sony_nc_hsfan_store(struct device *dev, - struct device_attribute *attr, -@@ -2773,7 +2773,7 @@ static void sony_nc_fanspeed_cleanup(struct platform_device *pd) - } - - /* USB charge function */ --static struct device_attribute *uc_handle; -+static device_attribute_no_const *uc_handle; - - static ssize_t sony_nc_usb_charge_store(struct device *dev, - struct device_attribute *attr, -@@ -2847,7 +2847,7 @@ static void sony_nc_usb_charge_cleanup(struct platform_device *pd) - } - - /* Panel ID function */ --static struct device_attribute *panel_handle; -+static device_attribute_no_const *panel_handle; - - static ssize_t sony_nc_panelid_show(struct device *dev, - struct device_attribute *attr, char *buffer) -@@ -2894,7 +2894,7 @@ static void sony_nc_panelid_cleanup(struct platform_device *pd) - } - - /* smart connect function */ --static struct device_attribute *sc_handle; -+static device_attribute_no_const *sc_handle; - - static ssize_t sony_nc_smart_conn_store(struct device *dev, - struct device_attribute *attr, -@@ -4854,7 +4854,7 @@ static struct acpi_driver sony_pic_driver = { - .drv.pm = &sony_pic_pm, - }; - --static struct dmi_system_id __initdata sonypi_dmi_table[] = { -+static const struct dmi_system_id __initconst sonypi_dmi_table[] = { - { - .ident = "Sony Vaio", - .matches = { -diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c -index 28f3281..171d8c3 100644 ---- a/drivers/platform/x86/thinkpad_acpi.c -+++ b/drivers/platform/x86/thinkpad_acpi.c -@@ -2459,10 +2459,10 @@ static void hotkey_compare_and_issue_event(struct tp_nvram_state *oldn, - && !tp_features.bright_unkfw) - TPACPI_MAY_SEND_KEY(TP_ACPI_HOTKEYSCAN_FNHOME); - } -+} - - #undef TPACPI_COMPARE_KEY - #undef TPACPI_MAY_SEND_KEY --} - - /* - * Polling driver -diff --git a/drivers/pnp/pnpbios/bioscalls.c b/drivers/pnp/pnpbios/bioscalls.c -index 438d4c7..ca8a2fb 100644 ---- a/drivers/pnp/pnpbios/bioscalls.c -+++ b/drivers/pnp/pnpbios/bioscalls.c -@@ -59,7 +59,7 @@ do { \ - set_desc_limit(&gdt[(selname) >> 3], (size) - 1); \ - } while(0) - --static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092, -+static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093, - (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1); - - /* -@@ -96,7 +96,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3, - - cpu = get_cpu(); - save_desc_40 = get_cpu_gdt_table(cpu)[0x40 / 8]; -+ -+ pax_open_kernel(); - get_cpu_gdt_table(cpu)[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - /* On some boxes IRQ's during PnP BIOS calls are deadly. */ - spin_lock_irqsave(&pnp_bios_lock, flags); -@@ -134,7 +137,10 @@ static inline u16 call_pnp_bios(u16 func, u16 arg1, u16 arg2, u16 arg3, - :"memory"); - spin_unlock_irqrestore(&pnp_bios_lock, flags); - -+ pax_open_kernel(); - get_cpu_gdt_table(cpu)[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - - /* If we get here and this is set then the PnP BIOS faulted on us. */ -@@ -468,7 +474,7 @@ int pnp_bios_read_escd(char *data, u32 nvram_base) - return status; - } - --void pnpbios_calls_init(union pnp_bios_install_struct *header) -+void __init pnpbios_calls_init(union pnp_bios_install_struct *header) - { - int i; - -@@ -476,6 +482,8 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header) - pnp_bios_callpoint.offset = header->fields.pm16offset; - pnp_bios_callpoint.segment = PNP_CS16; - -+ pax_open_kernel(); -+ - for_each_possible_cpu(i) { - struct desc_struct *gdt = get_cpu_gdt_table(i); - if (!gdt) -@@ -487,4 +495,6 @@ void pnpbios_calls_init(union pnp_bios_install_struct *header) - set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_DS], - (unsigned long)__va(header->fields.pm16dseg)); - } -+ -+ pax_close_kernel(); - } -diff --git a/drivers/pnp/pnpbios/core.c b/drivers/pnp/pnpbios/core.c -index facd43b..b291260 100644 ---- a/drivers/pnp/pnpbios/core.c -+++ b/drivers/pnp/pnpbios/core.c -@@ -494,7 +494,7 @@ static int __init exploding_pnp_bios(const struct dmi_system_id *d) - return 0; - } - --static struct dmi_system_id pnpbios_dmi_table[] __initdata = { -+static const struct dmi_system_id pnpbios_dmi_table[] __initconst = { - { /* PnPBIOS GPF on boot */ - .callback = exploding_pnp_bios, - .ident = "Higraded P14H", -diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c -index dfe1ee8..67e820c 100644 ---- a/drivers/power/pda_power.c -+++ b/drivers/power/pda_power.c -@@ -38,7 +38,11 @@ static struct power_supply *pda_psy_ac, *pda_psy_usb; - - #if IS_ENABLED(CONFIG_USB_PHY) - static struct usb_phy *transceiver; --static struct notifier_block otg_nb; -+static int otg_handle_notification(struct notifier_block *nb, -+ unsigned long event, void *unused); -+static struct notifier_block otg_nb = { -+ .notifier_call = otg_handle_notification -+}; - #endif - - static struct regulator *ac_draw; -@@ -373,7 +377,6 @@ static int pda_power_probe(struct platform_device *pdev) - - #if IS_ENABLED(CONFIG_USB_PHY) - if (!IS_ERR_OR_NULL(transceiver) && pdata->use_otg_notifier) { -- otg_nb.notifier_call = otg_handle_notification; - ret = usb_register_notifier(transceiver, &otg_nb); - if (ret) { - dev_err(dev, "failure to register otg notifier\n"); -diff --git a/drivers/power/power_supply.h b/drivers/power/power_supply.h -index cc439fd..8fa30df 100644 ---- a/drivers/power/power_supply.h -+++ b/drivers/power/power_supply.h -@@ -16,12 +16,12 @@ struct power_supply; - - #ifdef CONFIG_SYSFS - --extern void power_supply_init_attrs(struct device_type *dev_type); -+extern void power_supply_init_attrs(void); - extern int power_supply_uevent(struct device *dev, struct kobj_uevent_env *env); - - #else - --static inline void power_supply_init_attrs(struct device_type *dev_type) {} -+static inline void power_supply_init_attrs(void) {} - #define power_supply_uevent NULL - - #endif /* CONFIG_SYSFS */ -diff --git a/drivers/power/power_supply_core.c b/drivers/power/power_supply_core.c -index 4bc0c7f..198c99d 100644 ---- a/drivers/power/power_supply_core.c -+++ b/drivers/power/power_supply_core.c -@@ -28,7 +28,10 @@ EXPORT_SYMBOL_GPL(power_supply_class); - ATOMIC_NOTIFIER_HEAD(power_supply_notifier); - EXPORT_SYMBOL_GPL(power_supply_notifier); - --static struct device_type power_supply_dev_type; -+extern const struct attribute_group *power_supply_attr_groups[]; -+static struct device_type power_supply_dev_type = { -+ .groups = power_supply_attr_groups, -+}; - - #define POWER_SUPPLY_DEFERRED_REGISTER_TIME msecs_to_jiffies(10) - -@@ -921,7 +924,7 @@ static int __init power_supply_class_init(void) - return PTR_ERR(power_supply_class); - - power_supply_class->dev_uevent = power_supply_uevent; -- power_supply_init_attrs(&power_supply_dev_type); -+ power_supply_init_attrs(); - - return 0; - } -diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c -index 9134e3d..45eee1e 100644 ---- a/drivers/power/power_supply_sysfs.c -+++ b/drivers/power/power_supply_sysfs.c -@@ -238,17 +238,15 @@ static struct attribute_group power_supply_attr_group = { - .is_visible = power_supply_attr_is_visible, - }; - --static const struct attribute_group *power_supply_attr_groups[] = { -+const struct attribute_group *power_supply_attr_groups[] = { - &power_supply_attr_group, - NULL, - }; - --void power_supply_init_attrs(struct device_type *dev_type) -+void power_supply_init_attrs(void) - { - int i; - -- dev_type->groups = power_supply_attr_groups; -- - for (i = 0; i < ARRAY_SIZE(power_supply_attrs); i++) - __power_supply_attrs[i] = &power_supply_attrs[i].attr; - } -diff --git a/drivers/powercap/powercap_sys.c b/drivers/powercap/powercap_sys.c -index 84419af..268ede8 100644 ---- a/drivers/powercap/powercap_sys.c -+++ b/drivers/powercap/powercap_sys.c -@@ -154,8 +154,77 @@ struct powercap_constraint_attr { - struct device_attribute name_attr; - }; - -+static ssize_t show_constraint_name(struct device *dev, -+ struct device_attribute *dev_attr, -+ char *buf); -+ - static struct powercap_constraint_attr -- constraint_attrs[MAX_CONSTRAINTS_PER_ZONE]; -+ constraint_attrs[MAX_CONSTRAINTS_PER_ZONE] = { -+ [0 ... MAX_CONSTRAINTS_PER_ZONE - 1] = { -+ .power_limit_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IWUSR | S_IRUGO -+ }, -+ .show = show_constraint_power_limit_uw, -+ .store = store_constraint_power_limit_uw -+ }, -+ -+ .time_window_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IWUSR | S_IRUGO -+ }, -+ .show = show_constraint_time_window_us, -+ .store = store_constraint_time_window_us -+ }, -+ -+ .max_power_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_max_power_uw, -+ .store = NULL -+ }, -+ -+ .min_power_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_min_power_uw, -+ .store = NULL -+ }, -+ -+ .max_time_window_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_max_time_window_us, -+ .store = NULL -+ }, -+ -+ .min_time_window_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_min_time_window_us, -+ .store = NULL -+ }, -+ -+ .name_attr = { -+ .attr = { -+ .name = NULL, -+ .mode = S_IRUGO -+ }, -+ .show = show_constraint_name, -+ .store = NULL -+ } -+ } -+}; - - /* A list of powercap control_types */ - static LIST_HEAD(powercap_cntrl_list); -@@ -193,23 +262,16 @@ static ssize_t show_constraint_name(struct device *dev, - } - - static int create_constraint_attribute(int id, const char *name, -- int mode, -- struct device_attribute *dev_attr, -- ssize_t (*show)(struct device *, -- struct device_attribute *, char *), -- ssize_t (*store)(struct device *, -- struct device_attribute *, -- const char *, size_t) -- ) -+ struct device_attribute *dev_attr) - { -+ name = kasprintf(GFP_KERNEL, "constraint_%d_%s", id, name); - -- dev_attr->attr.name = kasprintf(GFP_KERNEL, "constraint_%d_%s", -- id, name); -- if (!dev_attr->attr.name) -+ if (!name) - return -ENOMEM; -- dev_attr->attr.mode = mode; -- dev_attr->show = show; -- dev_attr->store = store; -+ -+ pax_open_kernel(); -+ *(const char **)&dev_attr->attr.name = name; -+ pax_close_kernel(); - - return 0; - } -@@ -236,49 +298,31 @@ static int seed_constraint_attributes(void) - - for (i = 0; i < MAX_CONSTRAINTS_PER_ZONE; ++i) { - ret = create_constraint_attribute(i, "power_limit_uw", -- S_IWUSR | S_IRUGO, -- &constraint_attrs[i].power_limit_attr, -- show_constraint_power_limit_uw, -- store_constraint_power_limit_uw); -+ &constraint_attrs[i].power_limit_attr); - if (ret) - goto err_alloc; - ret = create_constraint_attribute(i, "time_window_us", -- S_IWUSR | S_IRUGO, -- &constraint_attrs[i].time_window_attr, -- show_constraint_time_window_us, -- store_constraint_time_window_us); -+ &constraint_attrs[i].time_window_attr); - if (ret) - goto err_alloc; -- ret = create_constraint_attribute(i, "name", S_IRUGO, -- &constraint_attrs[i].name_attr, -- show_constraint_name, -- NULL); -+ ret = create_constraint_attribute(i, "name", -+ &constraint_attrs[i].name_attr); - if (ret) - goto err_alloc; -- ret = create_constraint_attribute(i, "max_power_uw", S_IRUGO, -- &constraint_attrs[i].max_power_attr, -- show_constraint_max_power_uw, -- NULL); -+ ret = create_constraint_attribute(i, "max_power_uw", -+ &constraint_attrs[i].max_power_attr); - if (ret) - goto err_alloc; -- ret = create_constraint_attribute(i, "min_power_uw", S_IRUGO, -- &constraint_attrs[i].min_power_attr, -- show_constraint_min_power_uw, -- NULL); -+ ret = create_constraint_attribute(i, "min_power_uw", -+ &constraint_attrs[i].min_power_attr); - if (ret) - goto err_alloc; - ret = create_constraint_attribute(i, "max_time_window_us", -- S_IRUGO, -- &constraint_attrs[i].max_time_window_attr, -- show_constraint_max_time_window_us, -- NULL); -+ &constraint_attrs[i].max_time_window_attr); - if (ret) - goto err_alloc; - ret = create_constraint_attribute(i, "min_time_window_us", -- S_IRUGO, -- &constraint_attrs[i].min_time_window_attr, -- show_constraint_min_time_window_us, -- NULL); -+ &constraint_attrs[i].min_time_window_attr); - if (ret) - goto err_alloc; - -@@ -378,10 +422,12 @@ static void create_power_zone_common_attributes( - power_zone->zone_dev_attrs[count++] = - &dev_attr_max_energy_range_uj.attr; - if (power_zone->ops->get_energy_uj) { -+ pax_open_kernel(); - if (power_zone->ops->reset_energy_uj) -- dev_attr_energy_uj.attr.mode = S_IWUSR | S_IRUGO; -+ *(umode_t *)&dev_attr_energy_uj.attr.mode = S_IWUSR | S_IRUGO; - else -- dev_attr_energy_uj.attr.mode = S_IRUGO; -+ *(umode_t *)&dev_attr_energy_uj.attr.mode = S_IRUGO; -+ pax_close_kernel(); - power_zone->zone_dev_attrs[count++] = - &dev_attr_energy_uj.attr; - } -diff --git a/drivers/ptp/ptp_private.h b/drivers/ptp/ptp_private.h -index 9c5d414..c7900ce 100644 ---- a/drivers/ptp/ptp_private.h -+++ b/drivers/ptp/ptp_private.h -@@ -51,7 +51,7 @@ struct ptp_clock { - struct mutex pincfg_mux; /* protect concurrent info->pin_config access */ - wait_queue_head_t tsev_wq; - int defunct; /* tells readers to go away when clock is being removed */ -- struct device_attribute *pin_dev_attr; -+ device_attribute_no_const *pin_dev_attr; - struct attribute **pin_attr; - struct attribute_group pin_attr_group; - }; -diff --git a/drivers/ptp/ptp_sysfs.c b/drivers/ptp/ptp_sysfs.c -index 302e626..12579af 100644 ---- a/drivers/ptp/ptp_sysfs.c -+++ b/drivers/ptp/ptp_sysfs.c -@@ -280,7 +280,7 @@ static int ptp_populate_pins(struct ptp_clock *ptp) - goto no_pin_attr; - - for (i = 0; i < n_pins; i++) { -- struct device_attribute *da = &ptp->pin_dev_attr[i]; -+ device_attribute_no_const *da = &ptp->pin_dev_attr[i]; - sysfs_attr_init(&da->attr); - da->attr.name = info->pin_config[i].name; - da->attr.mode = 0644; -diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c -index 8a28116..05b0ad5 100644 ---- a/drivers/regulator/core.c -+++ b/drivers/regulator/core.c -@@ -3603,7 +3603,7 @@ regulator_register(const struct regulator_desc *regulator_desc, - const struct regulation_constraints *constraints = NULL; - const struct regulator_init_data *init_data; - struct regulator_config *config = NULL; -- static atomic_t regulator_no = ATOMIC_INIT(-1); -+ static atomic_unchecked_t regulator_no = ATOMIC_INIT(-1); - struct regulator_dev *rdev; - struct device *dev; - int ret, i; -@@ -3686,7 +3686,7 @@ regulator_register(const struct regulator_desc *regulator_desc, - rdev->dev.class = &regulator_class; - rdev->dev.parent = dev; - dev_set_name(&rdev->dev, "regulator.%lu", -- (unsigned long) atomic_inc_return(&regulator_no)); -+ (unsigned long) atomic_inc_return_unchecked(&regulator_no)); - ret = device_register(&rdev->dev); - if (ret != 0) { - put_device(&rdev->dev); -diff --git a/drivers/regulator/max8660.c b/drivers/regulator/max8660.c -index 4071d74..260b15a 100644 ---- a/drivers/regulator/max8660.c -+++ b/drivers/regulator/max8660.c -@@ -423,8 +423,10 @@ static int max8660_probe(struct i2c_client *client, - max8660->shadow_regs[MAX8660_OVER1] = 5; - } else { - /* Otherwise devices can be toggled via software */ -- max8660_dcdc_ops.enable = max8660_dcdc_enable; -- max8660_dcdc_ops.disable = max8660_dcdc_disable; -+ pax_open_kernel(); -+ *(void **)&max8660_dcdc_ops.enable = max8660_dcdc_enable; -+ *(void **)&max8660_dcdc_ops.disable = max8660_dcdc_disable; -+ pax_close_kernel(); - } - - /* -diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c -index c3d55c2..0dddfe6 100644 ---- a/drivers/regulator/max8973-regulator.c -+++ b/drivers/regulator/max8973-regulator.c -@@ -403,9 +403,11 @@ static int max8973_probe(struct i2c_client *client, - if (!pdata || !pdata->enable_ext_control) { - max->desc.enable_reg = MAX8973_VOUT; - max->desc.enable_mask = MAX8973_VOUT_ENABLE; -- max->ops.enable = regulator_enable_regmap; -- max->ops.disable = regulator_disable_regmap; -- max->ops.is_enabled = regulator_is_enabled_regmap; -+ pax_open_kernel(); -+ *(void **)&max->ops.enable = regulator_enable_regmap; -+ *(void **)&max->ops.disable = regulator_disable_regmap; -+ *(void **)&max->ops.is_enabled = regulator_is_enabled_regmap; -+ pax_close_kernel(); - } - - if (pdata) { -diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c -index 0d17c92..a29f627 100644 ---- a/drivers/regulator/mc13892-regulator.c -+++ b/drivers/regulator/mc13892-regulator.c -@@ -584,10 +584,12 @@ static int mc13892_regulator_probe(struct platform_device *pdev) - mc13xxx_unlock(mc13892); - - /* update mc13892_vcam ops */ -- memcpy(&mc13892_vcam_ops, mc13892_regulators[MC13892_VCAM].desc.ops, -+ pax_open_kernel(); -+ memcpy((void *)&mc13892_vcam_ops, mc13892_regulators[MC13892_VCAM].desc.ops, - sizeof(struct regulator_ops)); -- mc13892_vcam_ops.set_mode = mc13892_vcam_set_mode, -- mc13892_vcam_ops.get_mode = mc13892_vcam_get_mode, -+ *(void **)&mc13892_vcam_ops.set_mode = mc13892_vcam_set_mode, -+ *(void **)&mc13892_vcam_ops.get_mode = mc13892_vcam_get_mode, -+ pax_close_kernel(); - mc13892_regulators[MC13892_VCAM].desc.ops = &mc13892_vcam_ops; - - mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13892_regulators, -diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c -index a82556a0..e842923 100644 ---- a/drivers/rtc/rtc-cmos.c -+++ b/drivers/rtc/rtc-cmos.c -@@ -793,7 +793,9 @@ cmos_do_probe(struct device *dev, struct resource *ports, int rtc_irq) - hpet_rtc_timer_init(); - - /* export at least the first block of NVRAM */ -- nvram.size = address_space - NVRAM_OFFSET; -+ pax_open_kernel(); -+ *(size_t *)&nvram.size = address_space - NVRAM_OFFSET; -+ pax_close_kernel(); - retval = sysfs_create_bin_file(&dev->kobj, &nvram); - if (retval < 0) { - dev_dbg(dev, "can't create nvram file? %d\n", retval); -diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c -index 799c34b..8e9786a 100644 ---- a/drivers/rtc/rtc-dev.c -+++ b/drivers/rtc/rtc-dev.c -@@ -16,6 +16,7 @@ - #include <linux/module.h> - #include <linux/rtc.h> - #include <linux/sched.h> -+#include <linux/grsecurity.h> - #include "rtc-core.h" - - static dev_t rtc_devt; -@@ -347,6 +348,8 @@ static long rtc_dev_ioctl(struct file *file, - if (copy_from_user(&tm, uarg, sizeof(tm))) - return -EFAULT; - -+ gr_log_timechange(); -+ - return rtc_set_time(rtc, &tm); - - case RTC_PIE_ON: -diff --git a/drivers/rtc/rtc-ds1307.c b/drivers/rtc/rtc-ds1307.c -index 4ffabb3..1f87fca 100644 ---- a/drivers/rtc/rtc-ds1307.c -+++ b/drivers/rtc/rtc-ds1307.c -@@ -107,7 +107,7 @@ struct ds1307 { - u8 offset; /* register's offset */ - u8 regs[11]; - u16 nvram_offset; -- struct bin_attribute *nvram; -+ bin_attribute_no_const *nvram; - enum ds_type type; - unsigned long flags; - #define HAS_NVRAM 0 /* bit 0 == sysfs file active */ -diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c -index 90abb5b..e0bf6dd 100644 ---- a/drivers/rtc/rtc-m48t59.c -+++ b/drivers/rtc/rtc-m48t59.c -@@ -483,7 +483,9 @@ static int m48t59_rtc_probe(struct platform_device *pdev) - if (IS_ERR(m48t59->rtc)) - return PTR_ERR(m48t59->rtc); - -- m48t59_nvram_attr.size = pdata->offset; -+ pax_open_kernel(); -+ *(size_t *)&m48t59_nvram_attr.size = pdata->offset; -+ pax_close_kernel(); - - ret = sysfs_create_bin_file(&pdev->dev.kobj, &m48t59_nvram_attr); - if (ret) -diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c -index 3a2da4c..e88493c 100644 ---- a/drivers/rtc/rtc-test.c -+++ b/drivers/rtc/rtc-test.c -@@ -112,8 +112,10 @@ static int test_probe(struct platform_device *plat_dev) - struct rtc_device *rtc; - - if (test_mmss64) { -- test_rtc_ops.set_mmss64 = test_rtc_set_mmss64; -- test_rtc_ops.set_mmss = NULL; -+ pax_open_kernel(); -+ *(void **)&test_rtc_ops.set_mmss64 = test_rtc_set_mmss64; -+ *(void **)&test_rtc_ops.set_mmss = NULL; -+ pax_close_kernel(); - } - - rtc = devm_rtc_device_register(&plat_dev->dev, "test", -diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c -index 1f74760..8e00a89 100644 ---- a/drivers/scsi/be2iscsi/be_main.c -+++ b/drivers/scsi/be2iscsi/be_main.c -@@ -3165,7 +3165,7 @@ be_sgl_create_contiguous(void *virtual_address, - { - WARN_ON(!virtual_address); - WARN_ON(!physical_address); -- WARN_ON(!length > 0); -+ WARN_ON(!length); - WARN_ON(!sgl); - - sgl->va = virtual_address; -diff --git a/drivers/scsi/bfa/bfa_fcpim.h b/drivers/scsi/bfa/bfa_fcpim.h -index e693af6..2e525b6 100644 ---- a/drivers/scsi/bfa/bfa_fcpim.h -+++ b/drivers/scsi/bfa/bfa_fcpim.h -@@ -36,7 +36,7 @@ struct bfa_iotag_s { - - struct bfa_itn_s { - bfa_isr_func_t isr; --}; -+} __no_const; - - void bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport, - void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m)); -diff --git a/drivers/scsi/bfa/bfa_fcs.c b/drivers/scsi/bfa/bfa_fcs.c -index 0f19455..ef7adb5 100644 ---- a/drivers/scsi/bfa/bfa_fcs.c -+++ b/drivers/scsi/bfa/bfa_fcs.c -@@ -38,10 +38,21 @@ struct bfa_fcs_mod_s { - #define BFA_FCS_MODULE(_mod) { _mod ## _modinit, _mod ## _modexit } - - static struct bfa_fcs_mod_s fcs_modules[] = { -- { bfa_fcs_port_attach, NULL, NULL }, -- { bfa_fcs_uf_attach, NULL, NULL }, -- { bfa_fcs_fabric_attach, bfa_fcs_fabric_modinit, -- bfa_fcs_fabric_modexit }, -+ { -+ .attach = bfa_fcs_port_attach, -+ .modinit = NULL, -+ .modexit = NULL -+ }, -+ { -+ .attach = bfa_fcs_uf_attach, -+ .modinit = NULL, -+ .modexit = NULL -+ }, -+ { -+ .attach = bfa_fcs_fabric_attach, -+ .modinit = bfa_fcs_fabric_modinit, -+ .modexit = bfa_fcs_fabric_modexit -+ }, - }; - - /* -diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c -index ff75ef8..2dfe00a 100644 ---- a/drivers/scsi/bfa/bfa_fcs_lport.c -+++ b/drivers/scsi/bfa/bfa_fcs_lport.c -@@ -89,15 +89,26 @@ static struct { - void (*offline) (struct bfa_fcs_lport_s *port); - } __port_action[] = { - { -- bfa_fcs_lport_unknown_init, bfa_fcs_lport_unknown_online, -- bfa_fcs_lport_unknown_offline}, { -- bfa_fcs_lport_fab_init, bfa_fcs_lport_fab_online, -- bfa_fcs_lport_fab_offline}, { -- bfa_fcs_lport_n2n_init, bfa_fcs_lport_n2n_online, -- bfa_fcs_lport_n2n_offline}, { -- bfa_fcs_lport_loop_init, bfa_fcs_lport_loop_online, -- bfa_fcs_lport_loop_offline}, -- }; -+ .init = bfa_fcs_lport_unknown_init, -+ .online = bfa_fcs_lport_unknown_online, -+ .offline = bfa_fcs_lport_unknown_offline -+ }, -+ { -+ .init = bfa_fcs_lport_fab_init, -+ .online = bfa_fcs_lport_fab_online, -+ .offline = bfa_fcs_lport_fab_offline -+ }, -+ { -+ .init = bfa_fcs_lport_n2n_init, -+ .online = bfa_fcs_lport_n2n_online, -+ .offline = bfa_fcs_lport_n2n_offline -+ }, -+ { -+ .init = bfa_fcs_lport_loop_init, -+ .online = bfa_fcs_lport_loop_online, -+ .offline = bfa_fcs_lport_loop_offline -+ }, -+}; - - /* - * fcs_port_sm FCS logical port state machine -diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h -index a38aafa0..fe8f03b 100644 ---- a/drivers/scsi/bfa/bfa_ioc.h -+++ b/drivers/scsi/bfa/bfa_ioc.h -@@ -258,7 +258,7 @@ struct bfa_ioc_cbfn_s { - bfa_ioc_disable_cbfn_t disable_cbfn; - bfa_ioc_hbfail_cbfn_t hbfail_cbfn; - bfa_ioc_reset_cbfn_t reset_cbfn; --}; -+} __no_const; - - /* - * IOC event notification mechanism. -@@ -352,7 +352,7 @@ struct bfa_ioc_hwif_s { - void (*ioc_set_alt_fwstate) (struct bfa_ioc_s *ioc, - enum bfi_ioc_state fwstate); - enum bfi_ioc_state (*ioc_get_alt_fwstate) (struct bfa_ioc_s *ioc); --}; -+} __no_const; - - /* - * Queue element to wait for room in request queue. FIFO order is -diff --git a/drivers/scsi/bfa/bfa_modules.h b/drivers/scsi/bfa/bfa_modules.h -index a14c784..6de6790 100644 ---- a/drivers/scsi/bfa/bfa_modules.h -+++ b/drivers/scsi/bfa/bfa_modules.h -@@ -78,12 +78,12 @@ enum { - \ - extern struct bfa_module_s hal_mod_ ## __mod; \ - struct bfa_module_s hal_mod_ ## __mod = { \ -- bfa_ ## __mod ## _meminfo, \ -- bfa_ ## __mod ## _attach, \ -- bfa_ ## __mod ## _detach, \ -- bfa_ ## __mod ## _start, \ -- bfa_ ## __mod ## _stop, \ -- bfa_ ## __mod ## _iocdisable, \ -+ .meminfo = bfa_ ## __mod ## _meminfo, \ -+ .attach = bfa_ ## __mod ## _attach, \ -+ .detach = bfa_ ## __mod ## _detach, \ -+ .start = bfa_ ## __mod ## _start, \ -+ .stop = bfa_ ## __mod ## _stop, \ -+ .iocdisable = bfa_ ## __mod ## _iocdisable, \ - } - - #define BFA_CACHELINE_SZ (256) -diff --git a/drivers/scsi/fcoe/fcoe_sysfs.c b/drivers/scsi/fcoe/fcoe_sysfs.c -index 045c4e1..13de803 100644 ---- a/drivers/scsi/fcoe/fcoe_sysfs.c -+++ b/drivers/scsi/fcoe/fcoe_sysfs.c -@@ -33,8 +33,8 @@ - */ - #include "libfcoe.h" - --static atomic_t ctlr_num; --static atomic_t fcf_num; -+static atomic_unchecked_t ctlr_num; -+static atomic_unchecked_t fcf_num; - - /* - * fcoe_fcf_dev_loss_tmo: the default number of seconds that fcoe sysfs -@@ -685,7 +685,7 @@ struct fcoe_ctlr_device *fcoe_ctlr_device_add(struct device *parent, - if (!ctlr) - goto out; - -- ctlr->id = atomic_inc_return(&ctlr_num) - 1; -+ ctlr->id = atomic_inc_return_unchecked(&ctlr_num) - 1; - ctlr->f = f; - ctlr->mode = FIP_CONN_TYPE_FABRIC; - INIT_LIST_HEAD(&ctlr->fcfs); -@@ -902,7 +902,7 @@ struct fcoe_fcf_device *fcoe_fcf_device_add(struct fcoe_ctlr_device *ctlr, - fcf->dev.parent = &ctlr->dev; - fcf->dev.bus = &fcoe_bus_type; - fcf->dev.type = &fcoe_fcf_device_type; -- fcf->id = atomic_inc_return(&fcf_num) - 1; -+ fcf->id = atomic_inc_return_unchecked(&fcf_num) - 1; - fcf->state = FCOE_FCF_STATE_UNKNOWN; - - fcf->dev_loss_tmo = ctlr->fcf_dev_loss_tmo; -@@ -938,8 +938,8 @@ int __init fcoe_sysfs_setup(void) - { - int error; - -- atomic_set(&ctlr_num, 0); -- atomic_set(&fcf_num, 0); -+ atomic_set_unchecked(&ctlr_num, 0); -+ atomic_set_unchecked(&fcf_num, 0); - - error = bus_register(&fcoe_bus_type); - if (error) -diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c -index 8bb173e..20236b4 100644 ---- a/drivers/scsi/hosts.c -+++ b/drivers/scsi/hosts.c -@@ -42,7 +42,7 @@ - #include "scsi_logging.h" - - --static atomic_t scsi_host_next_hn = ATOMIC_INIT(0); /* host_no for next new host */ -+static atomic_unchecked_t scsi_host_next_hn = ATOMIC_INIT(0); /* host_no for next new host */ - - - static void scsi_host_cls_release(struct device *dev) -@@ -392,7 +392,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) - * subtract one because we increment first then return, but we need to - * know what the next host number was before increment - */ -- shost->host_no = atomic_inc_return(&scsi_host_next_hn) - 1; -+ shost->host_no = atomic_inc_return_unchecked(&scsi_host_next_hn) - 1; - shost->dma_channel = 0xff; - - /* These three are default values which can be overridden */ -diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c -index 8eab107..599cd79 100644 ---- a/drivers/scsi/hpsa.c -+++ b/drivers/scsi/hpsa.c -@@ -697,10 +697,10 @@ static inline u32 next_command(struct ctlr_info *h, u8 q) - struct reply_queue_buffer *rq = &h->reply_queue[q]; - - if (h->transMethod & CFGTBL_Trans_io_accel1) -- return h->access.command_completed(h, q); -+ return h->access->command_completed(h, q); - - if (unlikely(!(h->transMethod & CFGTBL_Trans_Performant))) -- return h->access.command_completed(h, q); -+ return h->access->command_completed(h, q); - - if ((rq->head[rq->current_entry] & 1) == rq->wraparound) { - a = rq->head[rq->current_entry]; -@@ -837,7 +837,7 @@ static void enqueue_cmd_and_start_io(struct ctlr_info *h, - break; - default: - set_performant_mode(h, c); -- h->access.submit_command(h, c); -+ h->access->submit_command(h, c); - } - } - -@@ -5369,17 +5369,17 @@ static void __iomem *remap_pci_mem(ulong base, ulong size) - - static inline unsigned long get_next_completion(struct ctlr_info *h, u8 q) - { -- return h->access.command_completed(h, q); -+ return h->access->command_completed(h, q); - } - - static inline bool interrupt_pending(struct ctlr_info *h) - { -- return h->access.intr_pending(h); -+ return h->access->intr_pending(h); - } - - static inline long interrupt_not_for_us(struct ctlr_info *h) - { -- return (h->access.intr_pending(h) == 0) || -+ return (h->access->intr_pending(h) == 0) || - (h->interrupts_enabled == 0); - } - -@@ -6270,7 +6270,7 @@ static int hpsa_pci_init(struct ctlr_info *h) - if (prod_index < 0) - return prod_index; - h->product_name = products[prod_index].product_name; -- h->access = *(products[prod_index].access); -+ h->access = products[prod_index].access; - - pci_disable_link_state(h->pdev, PCIE_LINK_STATE_L0S | - PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM); -@@ -6647,7 +6647,7 @@ static void controller_lockup_detected(struct ctlr_info *h) - unsigned long flags; - u32 lockup_detected; - -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - spin_lock_irqsave(&h->lock, flags); - lockup_detected = readl(h->vaddr + SA5_SCRATCHPAD_OFFSET); - if (!lockup_detected) { -@@ -6922,7 +6922,7 @@ reinit_after_soft_reset: - } - - /* make sure the board interrupts are off */ -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - - if (hpsa_request_irqs(h, do_hpsa_intr_msi, do_hpsa_intr_intx)) - goto clean2; -@@ -6958,7 +6958,7 @@ reinit_after_soft_reset: - * fake ones to scoop up any residual completions. - */ - spin_lock_irqsave(&h->lock, flags); -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - spin_unlock_irqrestore(&h->lock, flags); - hpsa_free_irqs(h); - rc = hpsa_request_irqs(h, hpsa_msix_discard_completions, -@@ -6977,9 +6977,9 @@ reinit_after_soft_reset: - dev_info(&h->pdev->dev, "Board READY.\n"); - dev_info(&h->pdev->dev, - "Waiting for stale completions to drain.\n"); -- h->access.set_intr_mask(h, HPSA_INTR_ON); -+ h->access->set_intr_mask(h, HPSA_INTR_ON); - msleep(10000); -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - - rc = controller_reset_failed(h->cfgtable); - if (rc) -@@ -7004,7 +7004,7 @@ reinit_after_soft_reset: - - - /* Turn the interrupts on so we can service requests */ -- h->access.set_intr_mask(h, HPSA_INTR_ON); -+ h->access->set_intr_mask(h, HPSA_INTR_ON); - - hpsa_hba_inquiry(h); - hpsa_register_scsi(h); /* hook ourselves into SCSI subsystem */ -@@ -7077,7 +7077,7 @@ static void hpsa_shutdown(struct pci_dev *pdev) - * To write all data in the battery backed cache to disks - */ - hpsa_flush_cache(h); -- h->access.set_intr_mask(h, HPSA_INTR_OFF); -+ h->access->set_intr_mask(h, HPSA_INTR_OFF); - hpsa_free_irqs_and_disable_msix(h); - } - -@@ -7198,7 +7198,7 @@ static int hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support) - CFGTBL_Trans_enable_directed_msix | - (trans_support & (CFGTBL_Trans_io_accel1 | - CFGTBL_Trans_io_accel2)); -- struct access_method access = SA5_performant_access; -+ struct access_method *access = &SA5_performant_access; - - /* This is a bit complicated. There are 8 registers on - * the controller which we write to to tell it 8 different -@@ -7240,7 +7240,7 @@ static int hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support) - * perform the superfluous readl() after each command submission. - */ - if (trans_support & (CFGTBL_Trans_io_accel1 | CFGTBL_Trans_io_accel2)) -- access = SA5_performant_access_no_read; -+ access = &SA5_performant_access_no_read; - - /* Controller spec: zero out this buffer. */ - for (i = 0; i < h->nreply_queues; i++) -@@ -7270,12 +7270,12 @@ static int hpsa_enter_performant_mode(struct ctlr_info *h, u32 trans_support) - * enable outbound interrupt coalescing in accelerator mode; - */ - if (trans_support & CFGTBL_Trans_io_accel1) { -- access = SA5_ioaccel_mode1_access; -+ access = &SA5_ioaccel_mode1_access; - writel(10, &h->cfgtable->HostWrite.CoalIntDelay); - writel(4, &h->cfgtable->HostWrite.CoalIntCount); - } else { - if (trans_support & CFGTBL_Trans_io_accel2) { -- access = SA5_ioaccel_mode2_access; -+ access = &SA5_ioaccel_mode2_access; - writel(10, &h->cfgtable->HostWrite.CoalIntDelay); - writel(4, &h->cfgtable->HostWrite.CoalIntCount); - } -diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h -index 6577130..955f9a4 100644 ---- a/drivers/scsi/hpsa.h -+++ b/drivers/scsi/hpsa.h -@@ -143,7 +143,7 @@ struct ctlr_info { - unsigned int msix_vector; - unsigned int msi_vector; - int intr_mode; /* either PERF_MODE_INT or SIMPLE_MODE_INT */ -- struct access_method access; -+ struct access_method *access; - char hba_mode_enabled; - - /* queue and queue Info */ -@@ -525,38 +525,38 @@ static unsigned long SA5_ioaccel_mode1_completed(struct ctlr_info *h, u8 q) - } - - static struct access_method SA5_access = { -- SA5_submit_command, -- SA5_intr_mask, -- SA5_intr_pending, -- SA5_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_intr_mask, -+ .intr_pending = SA5_intr_pending, -+ .command_completed = SA5_completed, - }; - - static struct access_method SA5_ioaccel_mode1_access = { -- SA5_submit_command, -- SA5_performant_intr_mask, -- SA5_ioaccel_mode1_intr_pending, -- SA5_ioaccel_mode1_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_ioaccel_mode1_intr_pending, -+ .command_completed = SA5_ioaccel_mode1_completed, - }; - - static struct access_method SA5_ioaccel_mode2_access = { -- SA5_submit_command_ioaccel2, -- SA5_performant_intr_mask, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command_ioaccel2, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - static struct access_method SA5_performant_access = { -- SA5_submit_command, -- SA5_performant_intr_mask, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - static struct access_method SA5_performant_access_no_read = { -- SA5_submit_command_no_read, -- SA5_performant_intr_mask, -- SA5_performant_intr_pending, -- SA5_performant_completed, -+ .submit_command = SA5_submit_command_no_read, -+ .set_intr_mask = SA5_performant_intr_mask, -+ .intr_pending = SA5_performant_intr_pending, -+ .command_completed = SA5_performant_completed, - }; - - struct board_type { -diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c -index 30f9ef0..a1e29ac 100644 ---- a/drivers/scsi/libfc/fc_exch.c -+++ b/drivers/scsi/libfc/fc_exch.c -@@ -101,12 +101,12 @@ struct fc_exch_mgr { - u16 pool_max_index; - - struct { -- atomic_t no_free_exch; -- atomic_t no_free_exch_xid; -- atomic_t xid_not_found; -- atomic_t xid_busy; -- atomic_t seq_not_found; -- atomic_t non_bls_resp; -+ atomic_unchecked_t no_free_exch; -+ atomic_unchecked_t no_free_exch_xid; -+ atomic_unchecked_t xid_not_found; -+ atomic_unchecked_t xid_busy; -+ atomic_unchecked_t seq_not_found; -+ atomic_unchecked_t non_bls_resp; - } stats; - }; - -@@ -809,7 +809,7 @@ static struct fc_exch *fc_exch_em_alloc(struct fc_lport *lport, - /* allocate memory for exchange */ - ep = mempool_alloc(mp->ep_pool, GFP_ATOMIC); - if (!ep) { -- atomic_inc(&mp->stats.no_free_exch); -+ atomic_inc_unchecked(&mp->stats.no_free_exch); - goto out; - } - memset(ep, 0, sizeof(*ep)); -@@ -872,7 +872,7 @@ out: - return ep; - err: - spin_unlock_bh(&pool->lock); -- atomic_inc(&mp->stats.no_free_exch_xid); -+ atomic_inc_unchecked(&mp->stats.no_free_exch_xid); - mempool_free(ep, mp->ep_pool); - return NULL; - } -@@ -1021,7 +1021,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - xid = ntohs(fh->fh_ox_id); /* we originated exch */ - ep = fc_exch_find(mp, xid); - if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - reject = FC_RJT_OX_ID; - goto out; - } -@@ -1051,7 +1051,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - ep = fc_exch_find(mp, xid); - if ((f_ctl & FC_FC_FIRST_SEQ) && fc_sof_is_init(fr_sof(fp))) { - if (ep) { -- atomic_inc(&mp->stats.xid_busy); -+ atomic_inc_unchecked(&mp->stats.xid_busy); - reject = FC_RJT_RX_ID; - goto rel; - } -@@ -1062,7 +1062,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - } - xid = ep->xid; /* get our XID */ - } else if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - reject = FC_RJT_RX_ID; /* XID not found */ - goto out; - } -@@ -1080,7 +1080,7 @@ static enum fc_pf_rjt_reason fc_seq_lookup_recip(struct fc_lport *lport, - } else { - sp = &ep->seq; - if (sp->id != fh->fh_seq_id) { -- atomic_inc(&mp->stats.seq_not_found); -+ atomic_inc_unchecked(&mp->stats.seq_not_found); - if (f_ctl & FC_FC_END_SEQ) { - /* - * Update sequence_id based on incoming last -@@ -1531,22 +1531,22 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) - - ep = fc_exch_find(mp, ntohs(fh->fh_ox_id)); - if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto out; - } - if (ep->esb_stat & ESB_ST_COMPLETE) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - if (ep->rxid == FC_XID_UNKNOWN) - ep->rxid = ntohs(fh->fh_rx_id); - if (ep->sid != 0 && ep->sid != ntoh24(fh->fh_d_id)) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - if (ep->did != ntoh24(fh->fh_s_id) && - ep->did != FC_FID_FLOGI) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - sof = fr_sof(fp); -@@ -1555,7 +1555,7 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) - sp->ssb_stat |= SSB_ST_RESP; - sp->id = fh->fh_seq_id; - } else if (sp->id != fh->fh_seq_id) { -- atomic_inc(&mp->stats.seq_not_found); -+ atomic_inc_unchecked(&mp->stats.seq_not_found); - goto rel; - } - -@@ -1618,9 +1618,9 @@ static void fc_exch_recv_resp(struct fc_exch_mgr *mp, struct fc_frame *fp) - sp = fc_seq_lookup_orig(mp, fp); /* doesn't hold sequence */ - - if (!sp) -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - else -- atomic_inc(&mp->stats.non_bls_resp); -+ atomic_inc_unchecked(&mp->stats.non_bls_resp); - - fc_frame_free(fp); - } -@@ -2261,13 +2261,13 @@ void fc_exch_update_stats(struct fc_lport *lport) - - list_for_each_entry(ema, &lport->ema_list, ema_list) { - mp = ema->mp; -- st->fc_no_free_exch += atomic_read(&mp->stats.no_free_exch); -+ st->fc_no_free_exch += atomic_read_unchecked(&mp->stats.no_free_exch); - st->fc_no_free_exch_xid += -- atomic_read(&mp->stats.no_free_exch_xid); -- st->fc_xid_not_found += atomic_read(&mp->stats.xid_not_found); -- st->fc_xid_busy += atomic_read(&mp->stats.xid_busy); -- st->fc_seq_not_found += atomic_read(&mp->stats.seq_not_found); -- st->fc_non_bls_resp += atomic_read(&mp->stats.non_bls_resp); -+ atomic_read_unchecked(&mp->stats.no_free_exch_xid); -+ st->fc_xid_not_found += atomic_read_unchecked(&mp->stats.xid_not_found); -+ st->fc_xid_busy += atomic_read_unchecked(&mp->stats.xid_busy); -+ st->fc_seq_not_found += atomic_read_unchecked(&mp->stats.seq_not_found); -+ st->fc_non_bls_resp += atomic_read_unchecked(&mp->stats.non_bls_resp); - } - } - EXPORT_SYMBOL(fc_exch_update_stats); -diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c -index 9c706d8..d3e3ed2 100644 ---- a/drivers/scsi/libsas/sas_ata.c -+++ b/drivers/scsi/libsas/sas_ata.c -@@ -535,7 +535,7 @@ static struct ata_port_operations sas_sata_ops = { - .postreset = ata_std_postreset, - .error_handler = ata_std_error_handler, - .post_internal_cmd = sas_ata_post_internal, -- .qc_defer = ata_std_qc_defer, -+ .qc_defer = ata_std_qc_defer, - .qc_prep = ata_noop_qc_prep, - .qc_issue = sas_ata_qc_issue, - .qc_fill_rtf = sas_ata_qc_fill_rtf, -diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h -index 9b81a34..a9b7b8c 100644 ---- a/drivers/scsi/lpfc/lpfc.h -+++ b/drivers/scsi/lpfc/lpfc.h -@@ -433,7 +433,7 @@ struct lpfc_vport { - struct dentry *debug_nodelist; - struct dentry *vport_debugfs_root; - struct lpfc_debugfs_trc *disc_trc; -- atomic_t disc_trc_cnt; -+ atomic_unchecked_t disc_trc_cnt; - #endif - uint8_t stat_data_enabled; - uint8_t stat_data_blocked; -@@ -883,8 +883,8 @@ struct lpfc_hba { - struct timer_list fabric_block_timer; - unsigned long bit_flags; - #define FABRIC_COMANDS_BLOCKED 0 -- atomic_t num_rsrc_err; -- atomic_t num_cmd_success; -+ atomic_unchecked_t num_rsrc_err; -+ atomic_unchecked_t num_cmd_success; - unsigned long last_rsrc_error_time; - unsigned long last_ramp_down_time; - #ifdef CONFIG_SCSI_LPFC_DEBUG_FS -@@ -919,7 +919,7 @@ struct lpfc_hba { - - struct dentry *debug_slow_ring_trc; - struct lpfc_debugfs_trc *slow_ring_trc; -- atomic_t slow_ring_trc_cnt; -+ atomic_unchecked_t slow_ring_trc_cnt; - /* iDiag debugfs sub-directory */ - struct dentry *idiag_root; - struct dentry *idiag_pci_cfg; -diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c -index 513edcb..805c6a8 100644 ---- a/drivers/scsi/lpfc/lpfc_debugfs.c -+++ b/drivers/scsi/lpfc/lpfc_debugfs.c -@@ -106,7 +106,7 @@ MODULE_PARM_DESC(lpfc_debugfs_mask_disc_trc, - - #include <linux/debugfs.h> - --static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); -+static atomic_unchecked_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); - static unsigned long lpfc_debugfs_start_time = 0L; - - /* iDiag */ -@@ -147,7 +147,7 @@ lpfc_debugfs_disc_trc_data(struct lpfc_vport *vport, char *buf, int size) - lpfc_debugfs_enable = 0; - - len = 0; -- index = (atomic_read(&vport->disc_trc_cnt) + 1) & -+ index = (atomic_read_unchecked(&vport->disc_trc_cnt) + 1) & - (lpfc_debugfs_max_disc_trc - 1); - for (i = index; i < lpfc_debugfs_max_disc_trc; i++) { - dtp = vport->disc_trc + i; -@@ -213,7 +213,7 @@ lpfc_debugfs_slow_ring_trc_data(struct lpfc_hba *phba, char *buf, int size) - lpfc_debugfs_enable = 0; - - len = 0; -- index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) & -+ index = (atomic_read_unchecked(&phba->slow_ring_trc_cnt) + 1) & - (lpfc_debugfs_max_slow_ring_trc - 1); - for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) { - dtp = phba->slow_ring_trc + i; -@@ -646,14 +646,14 @@ lpfc_debugfs_disc_trc(struct lpfc_vport *vport, int mask, char *fmt, - !vport || !vport->disc_trc) - return; - -- index = atomic_inc_return(&vport->disc_trc_cnt) & -+ index = atomic_inc_return_unchecked(&vport->disc_trc_cnt) & - (lpfc_debugfs_max_disc_trc - 1); - dtp = vport->disc_trc + index; - dtp->fmt = fmt; - dtp->data1 = data1; - dtp->data2 = data2; - dtp->data3 = data3; -- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); -+ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt); - dtp->jif = jiffies; - #endif - return; -@@ -684,14 +684,14 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_hba *phba, char *fmt, - !phba || !phba->slow_ring_trc) - return; - -- index = atomic_inc_return(&phba->slow_ring_trc_cnt) & -+ index = atomic_inc_return_unchecked(&phba->slow_ring_trc_cnt) & - (lpfc_debugfs_max_slow_ring_trc - 1); - dtp = phba->slow_ring_trc + index; - dtp->fmt = fmt; - dtp->data1 = data1; - dtp->data2 = data2; - dtp->data3 = data3; -- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); -+ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt); - dtp->jif = jiffies; - #endif - return; -@@ -4268,7 +4268,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) - "slow_ring buffer\n"); - goto debug_failed; - } -- atomic_set(&phba->slow_ring_trc_cnt, 0); -+ atomic_set_unchecked(&phba->slow_ring_trc_cnt, 0); - memset(phba->slow_ring_trc, 0, - (sizeof(struct lpfc_debugfs_trc) * - lpfc_debugfs_max_slow_ring_trc)); -@@ -4314,7 +4314,7 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) - "buffer\n"); - goto debug_failed; - } -- atomic_set(&vport->disc_trc_cnt, 0); -+ atomic_set_unchecked(&vport->disc_trc_cnt, 0); - - snprintf(name, sizeof(name), "discovery_trace"); - vport->debug_disc_trc = -diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c -index e8c8c1e..5f2e11c 100644 ---- a/drivers/scsi/lpfc/lpfc_init.c -+++ b/drivers/scsi/lpfc/lpfc_init.c -@@ -11406,8 +11406,10 @@ lpfc_init(void) - "misc_register returned with status %d", error); - - if (lpfc_enable_npiv) { -- lpfc_transport_functions.vport_create = lpfc_vport_create; -- lpfc_transport_functions.vport_delete = lpfc_vport_delete; -+ pax_open_kernel(); -+ *(void **)&lpfc_transport_functions.vport_create = lpfc_vport_create; -+ *(void **)&lpfc_transport_functions.vport_delete = lpfc_vport_delete; -+ pax_close_kernel(); - } - lpfc_transport_template = - fc_attach_transport(&lpfc_transport_functions); -diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c -index c140f99..11b2505 100644 ---- a/drivers/scsi/lpfc/lpfc_scsi.c -+++ b/drivers/scsi/lpfc/lpfc_scsi.c -@@ -261,7 +261,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hba *phba) - unsigned long expires; - - spin_lock_irqsave(&phba->hbalock, flags); -- atomic_inc(&phba->num_rsrc_err); -+ atomic_inc_unchecked(&phba->num_rsrc_err); - phba->last_rsrc_error_time = jiffies; - - expires = phba->last_ramp_down_time + QUEUE_RAMP_DOWN_INTERVAL; -@@ -303,8 +303,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) - unsigned long num_rsrc_err, num_cmd_success; - int i; - -- num_rsrc_err = atomic_read(&phba->num_rsrc_err); -- num_cmd_success = atomic_read(&phba->num_cmd_success); -+ num_rsrc_err = atomic_read_unchecked(&phba->num_rsrc_err); -+ num_cmd_success = atomic_read_unchecked(&phba->num_cmd_success); - - /* - * The error and success command counters are global per -@@ -331,8 +331,8 @@ lpfc_ramp_down_queue_handler(struct lpfc_hba *phba) - } - } - lpfc_destroy_vport_work_array(phba, vports); -- atomic_set(&phba->num_rsrc_err, 0); -- atomic_set(&phba->num_cmd_success, 0); -+ atomic_set_unchecked(&phba->num_rsrc_err, 0); -+ atomic_set_unchecked(&phba->num_cmd_success, 0); - } - - /** -diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c -index 3f26147..ee8efd1 100644 ---- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c -+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c -@@ -1509,7 +1509,7 @@ _scsih_get_resync(struct device *dev) - { - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); -- static struct _raid_device *raid_device; -+ struct _raid_device *raid_device; - unsigned long flags; - Mpi2RaidVolPage0_t vol_pg0; - Mpi2ConfigReply_t mpi_reply; -@@ -1561,7 +1561,7 @@ _scsih_get_state(struct device *dev) - { - struct scsi_device *sdev = to_scsi_device(dev); - struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); -- static struct _raid_device *raid_device; -+ struct _raid_device *raid_device; - unsigned long flags; - Mpi2RaidVolPage0_t vol_pg0; - Mpi2ConfigReply_t mpi_reply; -@@ -6641,7 +6641,7 @@ _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventDataIrOperationStatus_t *event_data = - (Mpi2EventDataIrOperationStatus_t *) - fw_event->event_data; -- static struct _raid_device *raid_device; -+ struct _raid_device *raid_device; - unsigned long flags; - u16 handle; - -@@ -7112,7 +7112,7 @@ _scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER *ioc) - u64 sas_address; - struct _sas_device *sas_device; - struct _sas_node *expander_device; -- static struct _raid_device *raid_device; -+ struct _raid_device *raid_device; - u8 retry_count; - unsigned long flags; - -diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c -index ed31d8c..ab856b3 100644 ---- a/drivers/scsi/pmcraid.c -+++ b/drivers/scsi/pmcraid.c -@@ -200,8 +200,8 @@ static int pmcraid_slave_alloc(struct scsi_device *scsi_dev) - res->scsi_dev = scsi_dev; - scsi_dev->hostdata = res; - res->change_detected = 0; -- atomic_set(&res->read_failures, 0); -- atomic_set(&res->write_failures, 0); -+ atomic_set_unchecked(&res->read_failures, 0); -+ atomic_set_unchecked(&res->write_failures, 0); - rc = 0; - } - spin_unlock_irqrestore(&pinstance->resource_lock, lock_flags); -@@ -2640,9 +2640,9 @@ static int pmcraid_error_handler(struct pmcraid_cmd *cmd) - - /* If this was a SCSI read/write command keep count of errors */ - if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_READ_CMD) -- atomic_inc(&res->read_failures); -+ atomic_inc_unchecked(&res->read_failures); - else if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_WRITE_CMD) -- atomic_inc(&res->write_failures); -+ atomic_inc_unchecked(&res->write_failures); - - if (!RES_IS_GSCSI(res->cfg_entry) && - masked_ioasc != PMCRAID_IOASC_HW_DEVICE_BUS_STATUS_ERROR) { -@@ -3468,7 +3468,7 @@ static int pmcraid_queuecommand_lck( - * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses - * hrrq_id assigned here in queuecommand - */ -- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) % -+ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) % - pinstance->num_hrrq; - cmd->cmd_done = pmcraid_io_done; - -@@ -3782,7 +3782,7 @@ static long pmcraid_ioctl_passthrough( - * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses - * hrrq_id assigned here in queuecommand - */ -- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) % -+ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) % - pinstance->num_hrrq; - - if (request_size) { -@@ -4420,7 +4420,7 @@ static void pmcraid_worker_function(struct work_struct *workp) - - pinstance = container_of(workp, struct pmcraid_instance, worker_q); - /* add resources only after host is added into system */ -- if (!atomic_read(&pinstance->expose_resources)) -+ if (!atomic_read_unchecked(&pinstance->expose_resources)) - return; - - fw_version = be16_to_cpu(pinstance->inq_data->fw_version); -@@ -5237,8 +5237,8 @@ static int pmcraid_init_instance(struct pci_dev *pdev, struct Scsi_Host *host, - init_waitqueue_head(&pinstance->reset_wait_q); - - atomic_set(&pinstance->outstanding_cmds, 0); -- atomic_set(&pinstance->last_message_id, 0); -- atomic_set(&pinstance->expose_resources, 0); -+ atomic_set_unchecked(&pinstance->last_message_id, 0); -+ atomic_set_unchecked(&pinstance->expose_resources, 0); - - INIT_LIST_HEAD(&pinstance->free_res_q); - INIT_LIST_HEAD(&pinstance->used_res_q); -@@ -5951,7 +5951,7 @@ static int pmcraid_probe(struct pci_dev *pdev, - /* Schedule worker thread to handle CCN and take care of adding and - * removing devices to OS - */ -- atomic_set(&pinstance->expose_resources, 1); -+ atomic_set_unchecked(&pinstance->expose_resources, 1); - schedule_work(&pinstance->worker_q); - return rc; - -diff --git a/drivers/scsi/pmcraid.h b/drivers/scsi/pmcraid.h -index e1d150f..6c6df44 100644 ---- a/drivers/scsi/pmcraid.h -+++ b/drivers/scsi/pmcraid.h -@@ -748,7 +748,7 @@ struct pmcraid_instance { - struct pmcraid_isr_param hrrq_vector[PMCRAID_NUM_MSIX_VECTORS]; - - /* Message id as filled in last fired IOARCB, used to identify HRRQ */ -- atomic_t last_message_id; -+ atomic_unchecked_t last_message_id; - - /* configuration table */ - struct pmcraid_config_table *cfg_table; -@@ -777,7 +777,7 @@ struct pmcraid_instance { - atomic_t outstanding_cmds; - - /* should add/delete resources to mid-layer now ?*/ -- atomic_t expose_resources; -+ atomic_unchecked_t expose_resources; - - - -@@ -813,8 +813,8 @@ struct pmcraid_resource_entry { - struct pmcraid_config_table_entry_ext cfg_entry_ext; - }; - struct scsi_device *scsi_dev; /* Link scsi_device structure */ -- atomic_t read_failures; /* count of failed READ commands */ -- atomic_t write_failures; /* count of failed WRITE commands */ -+ atomic_unchecked_t read_failures; /* count of failed READ commands */ -+ atomic_unchecked_t write_failures; /* count of failed WRITE commands */ - - /* To indicate add/delete/modify during CCN */ - u8 change_detected; -diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c -index 82b92c4..3178171 100644 ---- a/drivers/scsi/qla2xxx/qla_attr.c -+++ b/drivers/scsi/qla2xxx/qla_attr.c -@@ -2192,7 +2192,7 @@ qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable) - return 0; - } - --struct fc_function_template qla2xxx_transport_functions = { -+fc_function_template_no_const qla2xxx_transport_functions = { - - .show_host_node_name = 1, - .show_host_port_name = 1, -@@ -2240,7 +2240,7 @@ struct fc_function_template qla2xxx_transport_functions = { - .bsg_timeout = qla24xx_bsg_timeout, - }; - --struct fc_function_template qla2xxx_transport_vport_functions = { -+fc_function_template_no_const qla2xxx_transport_vport_functions = { - - .show_host_node_name = 1, - .show_host_port_name = 1, -diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h -index 7686bfe..4710893 100644 ---- a/drivers/scsi/qla2xxx/qla_gbl.h -+++ b/drivers/scsi/qla2xxx/qla_gbl.h -@@ -571,8 +571,8 @@ extern void qla2x00_get_sym_node_name(scsi_qla_host_t *, uint8_t *, size_t); - struct device_attribute; - extern struct device_attribute *qla2x00_host_attrs[]; - struct fc_function_template; --extern struct fc_function_template qla2xxx_transport_functions; --extern struct fc_function_template qla2xxx_transport_vport_functions; -+extern fc_function_template_no_const qla2xxx_transport_functions; -+extern fc_function_template_no_const qla2xxx_transport_vport_functions; - extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *); - extern void qla2x00_free_sysfs_attr(scsi_qla_host_t *, bool); - extern void qla2x00_init_host_attr(scsi_qla_host_t *); -diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c -index 7462dd7..5b64c24 100644 ---- a/drivers/scsi/qla2xxx/qla_os.c -+++ b/drivers/scsi/qla2xxx/qla_os.c -@@ -1435,8 +1435,10 @@ qla2x00_config_dma_addressing(struct qla_hw_data *ha) - !pci_set_consistent_dma_mask(ha->pdev, DMA_BIT_MASK(64))) { - /* Ok, a 64bit DMA mask is applicable. */ - ha->flags.enable_64bit_addressing = 1; -- ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; -- ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; -+ pax_open_kernel(); -+ *(void **)&ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64; -+ *(void **)&ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64; -+ pax_close_kernel(); - return; - } - } -diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h -index 8f6d0fb..1b21097 100644 ---- a/drivers/scsi/qla4xxx/ql4_def.h -+++ b/drivers/scsi/qla4xxx/ql4_def.h -@@ -305,7 +305,7 @@ struct ddb_entry { - * (4000 only) */ - atomic_t relogin_timer; /* Max Time to wait for - * relogin to complete */ -- atomic_t relogin_retry_count; /* Num of times relogin has been -+ atomic_unchecked_t relogin_retry_count; /* Num of times relogin has been - * retried */ - uint32_t default_time2wait; /* Default Min time between - * relogins (+aens) */ -diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c -index 6d25879..3031a9f 100644 ---- a/drivers/scsi/qla4xxx/ql4_os.c -+++ b/drivers/scsi/qla4xxx/ql4_os.c -@@ -4491,12 +4491,12 @@ static void qla4xxx_check_relogin_flash_ddb(struct iscsi_cls_session *cls_sess) - */ - if (!iscsi_is_session_online(cls_sess)) { - /* Reset retry relogin timer */ -- atomic_inc(&ddb_entry->relogin_retry_count); -+ atomic_inc_unchecked(&ddb_entry->relogin_retry_count); - DEBUG2(ql4_printk(KERN_INFO, ha, - "%s: index[%d] relogin timed out-retrying" - " relogin (%d), retry (%d)\n", __func__, - ddb_entry->fw_ddb_index, -- atomic_read(&ddb_entry->relogin_retry_count), -+ atomic_read_unchecked(&ddb_entry->relogin_retry_count), - ddb_entry->default_time2wait + 4)); - set_bit(DPC_RELOGIN_DEVICE, &ha->dpc_flags); - atomic_set(&ddb_entry->retry_relogin_timer, -@@ -6604,7 +6604,7 @@ static void qla4xxx_setup_flash_ddb_entry(struct scsi_qla_host *ha, - - atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); - atomic_set(&ddb_entry->relogin_timer, 0); -- atomic_set(&ddb_entry->relogin_retry_count, 0); -+ atomic_set_unchecked(&ddb_entry->relogin_retry_count, 0); - def_timeout = le16_to_cpu(ddb_entry->fw_ddb_entry.def_timeout); - ddb_entry->default_relogin_timeout = - (def_timeout > LOGIN_TOV) && (def_timeout < LOGIN_TOV * 10) ? -diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c -index 3833bf5..95feaf1 100644 ---- a/drivers/scsi/scsi.c -+++ b/drivers/scsi/scsi.c -@@ -637,7 +637,7 @@ void scsi_finish_command(struct scsi_cmnd *cmd) - - good_bytes = scsi_bufflen(cmd); - if (cmd->request->cmd_type != REQ_TYPE_BLOCK_PC) { -- int old_good_bytes = good_bytes; -+ unsigned int old_good_bytes = good_bytes; - drv = scsi_cmd_to_driver(cmd); - if (drv->done) - good_bytes = drv->done(cmd); -diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c -index 448ebda..9bd345f 100644 ---- a/drivers/scsi/scsi_lib.c -+++ b/drivers/scsi/scsi_lib.c -@@ -1597,7 +1597,7 @@ static void scsi_kill_request(struct request *req, struct request_queue *q) - shost = sdev->host; - scsi_init_cmd_errh(cmd); - cmd->result = DID_NO_CONNECT << 16; -- atomic_inc(&cmd->device->iorequest_cnt); -+ atomic_inc_unchecked(&cmd->device->iorequest_cnt); - - /* - * SCSI request completion path will do scsi_device_unbusy(), -@@ -1620,9 +1620,9 @@ static void scsi_softirq_done(struct request *rq) - - INIT_LIST_HEAD(&cmd->eh_entry); - -- atomic_inc(&cmd->device->iodone_cnt); -+ atomic_inc_unchecked(&cmd->device->iodone_cnt); - if (cmd->result) -- atomic_inc(&cmd->device->ioerr_cnt); -+ atomic_inc_unchecked(&cmd->device->ioerr_cnt); - - disposition = scsi_decide_disposition(cmd); - if (disposition != SUCCESS && -@@ -1663,7 +1663,7 @@ static int scsi_dispatch_cmd(struct scsi_cmnd *cmd) - struct Scsi_Host *host = cmd->device->host; - int rtn = 0; - -- atomic_inc(&cmd->device->iorequest_cnt); -+ atomic_inc_unchecked(&cmd->device->iorequest_cnt); - - /* check if the device is still usable */ - if (unlikely(cmd->device->sdev_state == SDEV_DEL)) { -diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c -index 9ad4116..4e736fc 100644 ---- a/drivers/scsi/scsi_sysfs.c -+++ b/drivers/scsi/scsi_sysfs.c -@@ -788,7 +788,7 @@ show_iostat_##field(struct device *dev, struct device_attribute *attr, \ - char *buf) \ - { \ - struct scsi_device *sdev = to_scsi_device(dev); \ -- unsigned long long count = atomic_read(&sdev->field); \ -+ unsigned long long count = atomic_read_unchecked(&sdev->field); \ - return snprintf(buf, 20, "0x%llx\n", count); \ - } \ - static DEVICE_ATTR(field, S_IRUGO, show_iostat_##field, NULL) -diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c -index 24eaaf6..de30ec9 100644 ---- a/drivers/scsi/scsi_transport_fc.c -+++ b/drivers/scsi/scsi_transport_fc.c -@@ -502,7 +502,7 @@ static DECLARE_TRANSPORT_CLASS(fc_vport_class, - * Netlink Infrastructure - */ - --static atomic_t fc_event_seq; -+static atomic_unchecked_t fc_event_seq; - - /** - * fc_get_event_number - Obtain the next sequential FC event number -@@ -515,7 +515,7 @@ static atomic_t fc_event_seq; - u32 - fc_get_event_number(void) - { -- return atomic_add_return(1, &fc_event_seq); -+ return atomic_add_return_unchecked(1, &fc_event_seq); - } - EXPORT_SYMBOL(fc_get_event_number); - -@@ -659,7 +659,7 @@ static __init int fc_transport_init(void) - { - int error; - -- atomic_set(&fc_event_seq, 0); -+ atomic_set_unchecked(&fc_event_seq, 0); - - error = transport_class_register(&fc_host_class); - if (error) -@@ -849,7 +849,7 @@ static int fc_str_to_dev_loss(const char *buf, unsigned long *val) - char *cp; - - *val = simple_strtoul(buf, &cp, 0); -- if ((*cp && (*cp != '\n')) || (*val < 0)) -+ if (*cp && (*cp != '\n')) - return -EINVAL; - /* - * Check for overflow; dev_loss_tmo is u32 -diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c -index 67d43e3..8cee73c 100644 ---- a/drivers/scsi/scsi_transport_iscsi.c -+++ b/drivers/scsi/scsi_transport_iscsi.c -@@ -79,7 +79,7 @@ struct iscsi_internal { - struct transport_container session_cont; - }; - --static atomic_t iscsi_session_nr; /* sysfs session id for next new session */ -+static atomic_unchecked_t iscsi_session_nr; /* sysfs session id for next new session */ - static struct workqueue_struct *iscsi_eh_timer_workq; - - static DEFINE_IDA(iscsi_sess_ida); -@@ -2071,7 +2071,7 @@ int iscsi_add_session(struct iscsi_cls_session *session, unsigned int target_id) - int err; - - ihost = shost->shost_data; -- session->sid = atomic_add_return(1, &iscsi_session_nr); -+ session->sid = atomic_add_return_unchecked(1, &iscsi_session_nr); - - if (target_id == ISCSI_MAX_TARGET) { - id = ida_simple_get(&iscsi_sess_ida, 0, 0, GFP_KERNEL); -@@ -4515,7 +4515,7 @@ static __init int iscsi_transport_init(void) - printk(KERN_INFO "Loading iSCSI transport class v%s.\n", - ISCSI_TRANSPORT_VERSION); - -- atomic_set(&iscsi_session_nr, 0); -+ atomic_set_unchecked(&iscsi_session_nr, 0); - - err = class_register(&iscsi_transport_class); - if (err) -diff --git a/drivers/scsi/scsi_transport_srp.c b/drivers/scsi/scsi_transport_srp.c -index f115f67..b80b2c1 100644 ---- a/drivers/scsi/scsi_transport_srp.c -+++ b/drivers/scsi/scsi_transport_srp.c -@@ -35,7 +35,7 @@ - #include "scsi_priv.h" - - struct srp_host_attrs { -- atomic_t next_port_id; -+ atomic_unchecked_t next_port_id; - }; - #define to_srp_host_attrs(host) ((struct srp_host_attrs *)(host)->shost_data) - -@@ -100,7 +100,7 @@ static int srp_host_setup(struct transport_container *tc, struct device *dev, - struct Scsi_Host *shost = dev_to_shost(dev); - struct srp_host_attrs *srp_host = to_srp_host_attrs(shost); - -- atomic_set(&srp_host->next_port_id, 0); -+ atomic_set_unchecked(&srp_host->next_port_id, 0); - return 0; - } - -@@ -744,7 +744,7 @@ struct srp_rport *srp_rport_add(struct Scsi_Host *shost, - rport_fast_io_fail_timedout); - INIT_DELAYED_WORK(&rport->dev_loss_work, rport_dev_loss_timedout); - -- id = atomic_inc_return(&to_srp_host_attrs(shost)->next_port_id); -+ id = atomic_inc_return_unchecked(&to_srp_host_attrs(shost)->next_port_id); - dev_set_name(&rport->dev, "port-%d:%d", shost->host_no, id); - - transport_setup_device(&rport->dev); -diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c -index 11ea52b..7968d4d 100644 ---- a/drivers/scsi/sd.c -+++ b/drivers/scsi/sd.c -@@ -111,7 +111,7 @@ static int sd_resume(struct device *); - static void sd_rescan(struct device *); - static int sd_init_command(struct scsi_cmnd *SCpnt); - static void sd_uninit_command(struct scsi_cmnd *SCpnt); --static int sd_done(struct scsi_cmnd *); -+static unsigned int sd_done(struct scsi_cmnd *); - static int sd_eh_action(struct scsi_cmnd *, int); - static void sd_read_capacity(struct scsi_disk *sdkp, unsigned char *buffer); - static void scsi_disk_release(struct device *cdev); -@@ -1646,7 +1646,7 @@ static unsigned int sd_completed_bytes(struct scsi_cmnd *scmd) - * - * Note: potentially run from within an ISR. Must not block. - **/ --static int sd_done(struct scsi_cmnd *SCpnt) -+static unsigned int sd_done(struct scsi_cmnd *SCpnt) - { - int result = SCpnt->result; - unsigned int good_bytes = result ? 0 : scsi_bufflen(SCpnt); -@@ -2973,7 +2973,7 @@ static int sd_probe(struct device *dev) - sdkp->disk = gd; - sdkp->index = index; - atomic_set(&sdkp->openers, 0); -- atomic_set(&sdkp->device->ioerr_cnt, 0); -+ atomic_set_unchecked(&sdkp->device->ioerr_cnt, 0); - - if (!sdp->request_queue->rq_timeout) { - if (sdp->type != TYPE_MOD) -diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c -index 9d7b7db..33ecc51 100644 ---- a/drivers/scsi/sg.c -+++ b/drivers/scsi/sg.c -@@ -1083,7 +1083,7 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg) - sdp->disk->disk_name, - MKDEV(SCSI_GENERIC_MAJOR, sdp->index), - NULL, -- (char *)arg); -+ (char __user *)arg); - case BLKTRACESTART: - return blk_trace_startstop(sdp->device->request_queue, 1); - case BLKTRACESTOP: -diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c -index 8bd54a6..58fa0d6 100644 ---- a/drivers/scsi/sr.c -+++ b/drivers/scsi/sr.c -@@ -80,7 +80,7 @@ static DEFINE_MUTEX(sr_mutex); - static int sr_probe(struct device *); - static int sr_remove(struct device *); - static int sr_init_command(struct scsi_cmnd *SCpnt); --static int sr_done(struct scsi_cmnd *); -+static unsigned int sr_done(struct scsi_cmnd *); - static int sr_runtime_suspend(struct device *dev); - - static struct dev_pm_ops sr_pm_ops = { -@@ -312,13 +312,13 @@ do_tur: - * It will be notified on the end of a SCSI read / write, and will take one - * of several actions based on success or failure. - */ --static int sr_done(struct scsi_cmnd *SCpnt) -+static unsigned int sr_done(struct scsi_cmnd *SCpnt) - { - int result = SCpnt->result; -- int this_count = scsi_bufflen(SCpnt); -- int good_bytes = (result == 0 ? this_count : 0); -- int block_sectors = 0; -- long error_sector; -+ unsigned int this_count = scsi_bufflen(SCpnt); -+ unsigned int good_bytes = (result == 0 ? this_count : 0); -+ unsigned int block_sectors = 0; -+ sector_t error_sector; - struct scsi_cd *cd = scsi_cd(SCpnt->request->rq_disk); - - #ifdef DEBUG -@@ -351,9 +351,12 @@ static int sr_done(struct scsi_cmnd *SCpnt) - if (cd->device->sector_size == 2048) - error_sector <<= 2; - error_sector &= ~(block_sectors - 1); -- good_bytes = (error_sector - -- blk_rq_pos(SCpnt->request)) << 9; -- if (good_bytes < 0 || good_bytes >= this_count) -+ if (error_sector >= blk_rq_pos(SCpnt->request)) { -+ good_bytes = (error_sector - -+ blk_rq_pos(SCpnt->request)) << 9; -+ if (good_bytes >= this_count) -+ good_bytes = 0; -+ } else - good_bytes = 0; - /* - * The SCSI specification allows for the value -diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c -index c0d660f..24a5854 100644 ---- a/drivers/soc/tegra/fuse/fuse-tegra.c -+++ b/drivers/soc/tegra/fuse/fuse-tegra.c -@@ -71,7 +71,7 @@ static ssize_t fuse_read(struct file *fd, struct kobject *kobj, - return i; - } - --static struct bin_attribute fuse_bin_attr = { -+static bin_attribute_no_const fuse_bin_attr = { - .attr = { .name = "fuse", .mode = S_IRUGO, }, - .read = fuse_read, - }; -diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c -index d35c1a1..eda08dc 100644 ---- a/drivers/spi/spi.c -+++ b/drivers/spi/spi.c -@@ -2206,7 +2206,7 @@ int spi_bus_unlock(struct spi_master *master) - EXPORT_SYMBOL_GPL(spi_bus_unlock); - - /* portable code must never pass more than 32 bytes */ --#define SPI_BUFSIZ max(32, SMP_CACHE_BYTES) -+#define SPI_BUFSIZ max(32UL, SMP_CACHE_BYTES) - - static u8 *buf; - -diff --git a/drivers/staging/android/timed_output.c b/drivers/staging/android/timed_output.c -index b41429f..2de5373 100644 ---- a/drivers/staging/android/timed_output.c -+++ b/drivers/staging/android/timed_output.c -@@ -25,7 +25,7 @@ - #include "timed_output.h" - - static struct class *timed_output_class; --static atomic_t device_count; -+static atomic_unchecked_t device_count; - - static ssize_t enable_show(struct device *dev, struct device_attribute *attr, - char *buf) -@@ -65,7 +65,7 @@ static int create_timed_output_class(void) - timed_output_class = class_create(THIS_MODULE, "timed_output"); - if (IS_ERR(timed_output_class)) - return PTR_ERR(timed_output_class); -- atomic_set(&device_count, 0); -+ atomic_set_unchecked(&device_count, 0); - timed_output_class->dev_groups = timed_output_groups; - } - -@@ -83,7 +83,7 @@ int timed_output_dev_register(struct timed_output_dev *tdev) - if (ret < 0) - return ret; - -- tdev->index = atomic_inc_return(&device_count); -+ tdev->index = atomic_inc_return_unchecked(&device_count); - tdev->dev = device_create(timed_output_class, NULL, - MKDEV(0, tdev->index), NULL, "%s", tdev->name); - if (IS_ERR(tdev->dev)) -diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c -index e78ddbe..ac437c0 100644 ---- a/drivers/staging/comedi/comedi_fops.c -+++ b/drivers/staging/comedi/comedi_fops.c -@@ -297,8 +297,8 @@ static void comedi_file_reset(struct file *file) - } - cfp->last_attached = dev->attached; - cfp->last_detach_count = dev->detach_count; -- ACCESS_ONCE(cfp->read_subdev) = read_s; -- ACCESS_ONCE(cfp->write_subdev) = write_s; -+ ACCESS_ONCE_RW(cfp->read_subdev) = read_s; -+ ACCESS_ONCE_RW(cfp->write_subdev) = write_s; - } - - static void comedi_file_check(struct file *file) -@@ -1951,7 +1951,7 @@ static int do_setrsubd_ioctl(struct comedi_device *dev, unsigned long arg, - !(s_old->async->cmd.flags & CMDF_WRITE)) - return -EBUSY; - -- ACCESS_ONCE(cfp->read_subdev) = s_new; -+ ACCESS_ONCE_RW(cfp->read_subdev) = s_new; - return 0; - } - -@@ -1993,7 +1993,7 @@ static int do_setwsubd_ioctl(struct comedi_device *dev, unsigned long arg, - (s_old->async->cmd.flags & CMDF_WRITE)) - return -EBUSY; - -- ACCESS_ONCE(cfp->write_subdev) = s_new; -+ ACCESS_ONCE_RW(cfp->write_subdev) = s_new; - return 0; - } - -diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c -index 53b748b..a5ae0b3 100644 ---- a/drivers/staging/fbtft/fbtft-core.c -+++ b/drivers/staging/fbtft/fbtft-core.c -@@ -680,7 +680,7 @@ struct fb_info *fbtft_framebuffer_alloc(struct fbtft_display *display, - { - struct fb_info *info; - struct fbtft_par *par; -- struct fb_ops *fbops = NULL; -+ fb_ops_no_const *fbops = NULL; - struct fb_deferred_io *fbdefio = NULL; - struct fbtft_platform_data *pdata = dev->platform_data; - u8 *vmem = NULL; -diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h -index 9fd98cb..a9cf912 100644 ---- a/drivers/staging/fbtft/fbtft.h -+++ b/drivers/staging/fbtft/fbtft.h -@@ -106,7 +106,7 @@ struct fbtft_ops { - - int (*set_var)(struct fbtft_par *par); - int (*set_gamma)(struct fbtft_par *par, unsigned long *curves); --}; -+} __no_const; - - /** - * struct fbtft_display - Describes the display properties -diff --git a/drivers/staging/gdm724x/gdm_tty.c b/drivers/staging/gdm724x/gdm_tty.c -index 001348c..cfaac8a 100644 ---- a/drivers/staging/gdm724x/gdm_tty.c -+++ b/drivers/staging/gdm724x/gdm_tty.c -@@ -44,7 +44,7 @@ - #define gdm_tty_send_control(n, r, v, d, l) (\ - n->tty_dev->send_control(n->tty_dev->priv_dev, r, v, d, l)) - --#define GDM_TTY_READY(gdm) (gdm && gdm->tty_dev && gdm->port.count) -+#define GDM_TTY_READY(gdm) (gdm && gdm->tty_dev && atomic_read(&gdm->port.count)) - - static struct tty_driver *gdm_driver[TTY_MAX_COUNT]; - static struct gdm *gdm_table[TTY_MAX_COUNT][GDM_TTY_MINOR]; -diff --git a/drivers/staging/i2o/i2o.h b/drivers/staging/i2o/i2o.h -index d23c3c2..eb63c81 100644 ---- a/drivers/staging/i2o/i2o.h -+++ b/drivers/staging/i2o/i2o.h -@@ -565,7 +565,7 @@ struct i2o_controller { - struct i2o_device *exec; /* Executive */ - #if BITS_PER_LONG == 64 - spinlock_t context_list_lock; /* lock for context_list */ -- atomic_t context_list_counter; /* needed for unique contexts */ -+ atomic_unchecked_t context_list_counter; /* needed for unique contexts */ - struct list_head context_list; /* list of context id's - and pointers */ - #endif -diff --git a/drivers/staging/i2o/i2o_proc.c b/drivers/staging/i2o/i2o_proc.c -index 780fee3..ca9dcae 100644 ---- a/drivers/staging/i2o/i2o_proc.c -+++ b/drivers/staging/i2o/i2o_proc.c -@@ -253,12 +253,6 @@ static char *scsi_devices[] = { - "Array Controller Device" - }; - --static char *chtostr(char *tmp, u8 *chars, int n) --{ -- tmp[0] = 0; -- return strncat(tmp, (char *)chars, n); --} -- - static int i2o_report_query_status(struct seq_file *seq, int block_status, - char *group) - { -@@ -711,9 +705,9 @@ static int i2o_seq_show_status(struct seq_file *seq, void *v) - static int i2o_seq_show_hw(struct seq_file *seq, void *v) - { - struct i2o_controller *c = (struct i2o_controller *)seq->private; -- static u32 work32[5]; -- static u8 *work8 = (u8 *) work32; -- static u16 *work16 = (u16 *) work32; -+ u32 work32[5]; -+ u8 *work8 = (u8 *) work32; -+ u16 *work16 = (u16 *) work32; - int token; - u32 hwcap; - -@@ -794,7 +788,6 @@ static int i2o_seq_show_ddm_table(struct seq_file *seq, void *v) - } *result; - - i2o_exec_execute_ddm_table ddm_table; -- char tmp[28 + 1]; - - result = kmalloc(sizeof(*result), GFP_KERNEL); - if (!result) -@@ -829,8 +822,7 @@ static int i2o_seq_show_ddm_table(struct seq_file *seq, void *v) - - seq_printf(seq, "%-#7x", ddm_table.i2o_vendor_id); - seq_printf(seq, "%-#8x", ddm_table.module_id); -- seq_printf(seq, "%-29s", -- chtostr(tmp, ddm_table.module_name_version, 28)); -+ seq_printf(seq, "%-.28s", ddm_table.module_name_version); - seq_printf(seq, "%9d ", ddm_table.data_size); - seq_printf(seq, "%8d", ddm_table.code_size); - -@@ -897,7 +889,6 @@ static int i2o_seq_show_drivers_stored(struct seq_file *seq, void *v) - - i2o_driver_result_table *result; - i2o_driver_store_table *dst; -- char tmp[28 + 1]; - - result = kmalloc(sizeof(i2o_driver_result_table), GFP_KERNEL); - if (result == NULL) -@@ -932,9 +923,8 @@ static int i2o_seq_show_drivers_stored(struct seq_file *seq, void *v) - - seq_printf(seq, "%-#7x", dst->i2o_vendor_id); - seq_printf(seq, "%-#8x", dst->module_id); -- seq_printf(seq, "%-29s", -- chtostr(tmp, dst->module_name_version, 28)); -- seq_printf(seq, "%-9s", chtostr(tmp, dst->date, 8)); -+ seq_printf(seq, "%-.28s", dst->module_name_version); -+ seq_printf(seq, "%-.8s", dst->date); - seq_printf(seq, "%8d ", dst->module_size); - seq_printf(seq, "%8d ", dst->mpb_size); - seq_printf(seq, "0x%04x", dst->module_flags); -@@ -1250,11 +1240,10 @@ static int i2o_seq_show_authorized_users(struct seq_file *seq, void *v) - static int i2o_seq_show_dev_identity(struct seq_file *seq, void *v) - { - struct i2o_device *d = (struct i2o_device *)seq->private; -- static u32 work32[128]; // allow for "stuff" + up to 256 byte (max) serial number -+ u32 work32[128]; // allow for "stuff" + up to 256 byte (max) serial number - // == (allow) 512d bytes (max) -- static u16 *work16 = (u16 *) work32; -+ u16 *work16 = (u16 *) work32; - int token; -- char tmp[16 + 1]; - - token = i2o_parm_field_get(d, 0xF100, -1, &work32, sizeof(work32)); - -@@ -1266,14 +1255,10 @@ static int i2o_seq_show_dev_identity(struct seq_file *seq, void *v) - seq_printf(seq, "Device Class : %s\n", i2o_get_class_name(work16[0])); - seq_printf(seq, "Owner TID : %0#5x\n", work16[2]); - seq_printf(seq, "Parent TID : %0#5x\n", work16[3]); -- seq_printf(seq, "Vendor info : %s\n", -- chtostr(tmp, (u8 *) (work32 + 2), 16)); -- seq_printf(seq, "Product info : %s\n", -- chtostr(tmp, (u8 *) (work32 + 6), 16)); -- seq_printf(seq, "Description : %s\n", -- chtostr(tmp, (u8 *) (work32 + 10), 16)); -- seq_printf(seq, "Product rev. : %s\n", -- chtostr(tmp, (u8 *) (work32 + 14), 8)); -+ seq_printf(seq, "Vendor info : %.16s\n", (u8 *) (work32 + 2)); -+ seq_printf(seq, "Product info : %.16s\n", (u8 *) (work32 + 6)); -+ seq_printf(seq, "Description : %.16s\n", (u8 *) (work32 + 10)); -+ seq_printf(seq, "Product rev. : %.8s\n", (u8 *) (work32 + 14)); - - seq_printf(seq, "Serial number : "); - print_serial_number(seq, (u8 *) (work32 + 16), -@@ -1310,8 +1295,6 @@ static int i2o_seq_show_ddm_identity(struct seq_file *seq, void *v) - u8 pad[256]; // allow up to 256 byte (max) serial number - } result; - -- char tmp[24 + 1]; -- - token = i2o_parm_field_get(d, 0xF101, -1, &result, sizeof(result)); - - if (token < 0) { -@@ -1320,10 +1303,8 @@ static int i2o_seq_show_ddm_identity(struct seq_file *seq, void *v) - } - - seq_printf(seq, "Registering DDM TID : 0x%03x\n", result.ddm_tid); -- seq_printf(seq, "Module name : %s\n", -- chtostr(tmp, result.module_name, 24)); -- seq_printf(seq, "Module revision : %s\n", -- chtostr(tmp, result.module_rev, 8)); -+ seq_printf(seq, "Module name : %.24s\n", result.module_name); -+ seq_printf(seq, "Module revision : %.8s\n", result.module_rev); - - seq_printf(seq, "Serial number : "); - print_serial_number(seq, result.serial_number, sizeof(result) - 36); -@@ -1347,8 +1328,6 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v) - u8 instance_number[4]; - } result; - -- char tmp[64 + 1]; -- - token = i2o_parm_field_get(d, 0xF102, -1, &result, sizeof(result)); - - if (token < 0) { -@@ -1356,14 +1335,10 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v) - return 0; - } - -- seq_printf(seq, "Device name : %s\n", -- chtostr(tmp, result.device_name, 64)); -- seq_printf(seq, "Service name : %s\n", -- chtostr(tmp, result.service_name, 64)); -- seq_printf(seq, "Physical name : %s\n", -- chtostr(tmp, result.physical_location, 64)); -- seq_printf(seq, "Instance number : %s\n", -- chtostr(tmp, result.instance_number, 4)); -+ seq_printf(seq, "Device name : %.64s\n", result.device_name); -+ seq_printf(seq, "Service name : %.64s\n", result.service_name); -+ seq_printf(seq, "Physical name : %.64s\n", result.physical_location); -+ seq_printf(seq, "Instance number : %.4s\n", result.instance_number); - - return 0; - } -@@ -1372,9 +1347,9 @@ static int i2o_seq_show_uinfo(struct seq_file *seq, void *v) - static int i2o_seq_show_sgl_limits(struct seq_file *seq, void *v) - { - struct i2o_device *d = (struct i2o_device *)seq->private; -- static u32 work32[12]; -- static u16 *work16 = (u16 *) work32; -- static u8 *work8 = (u8 *) work32; -+ u32 work32[12]; -+ u16 *work16 = (u16 *) work32; -+ u8 *work8 = (u8 *) work32; - int token; - - token = i2o_parm_field_get(d, 0xF103, -1, &work32, sizeof(work32)); -diff --git a/drivers/staging/i2o/iop.c b/drivers/staging/i2o/iop.c -index 23bdbe4..4e1f340 100644 ---- a/drivers/staging/i2o/iop.c -+++ b/drivers/staging/i2o/iop.c -@@ -111,10 +111,10 @@ u32 i2o_cntxt_list_add(struct i2o_controller * c, void *ptr) - - spin_lock_irqsave(&c->context_list_lock, flags); - -- if (unlikely(atomic_inc_and_test(&c->context_list_counter))) -- atomic_inc(&c->context_list_counter); -+ if (unlikely(atomic_inc_and_test_unchecked(&c->context_list_counter))) -+ atomic_inc_unchecked(&c->context_list_counter); - -- entry->context = atomic_read(&c->context_list_counter); -+ entry->context = atomic_read_unchecked(&c->context_list_counter); - - list_add(&entry->list, &c->context_list); - -@@ -1076,7 +1076,7 @@ struct i2o_controller *i2o_iop_alloc(void) - - #if BITS_PER_LONG == 64 - spin_lock_init(&c->context_list_lock); -- atomic_set(&c->context_list_counter, 0); -+ atomic_set_unchecked(&c->context_list_counter, 0); - INIT_LIST_HEAD(&c->context_list); - #endif - -diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c -index b892f2c..9b4898a 100644 ---- a/drivers/staging/iio/accel/lis3l02dq_ring.c -+++ b/drivers/staging/iio/accel/lis3l02dq_ring.c -@@ -118,7 +118,7 @@ static int lis3l02dq_get_buffer_element(struct iio_dev *indio_dev, - int scan_count = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength); - -- rx_array = kcalloc(4, scan_count, GFP_KERNEL); -+ rx_array = kcalloc(scan_count, 4, GFP_KERNEL); - if (!rx_array) - return -ENOMEM; - ret = lis3l02dq_read_all(indio_dev, rx_array); -diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c -index d98e229..9c59bc2 100644 ---- a/drivers/staging/iio/adc/ad7280a.c -+++ b/drivers/staging/iio/adc/ad7280a.c -@@ -547,8 +547,8 @@ static int ad7280_attr_init(struct ad7280_state *st) - { - int dev, ch, cnt; - -- st->iio_attr = kcalloc(2, sizeof(*st->iio_attr) * -- (st->slave_num + 1) * AD7280A_CELLS_PER_DEV, -+ st->iio_attr = kcalloc(sizeof(*st->iio_attr) * -+ (st->slave_num + 1) * AD7280A_CELLS_PER_DEV, 2, - GFP_KERNEL); - if (st->iio_attr == NULL) - return -ENOMEM; -diff --git a/drivers/staging/lustre/lnet/selftest/brw_test.c b/drivers/staging/lustre/lnet/selftest/brw_test.c -index 658f458..0564216 100644 ---- a/drivers/staging/lustre/lnet/selftest/brw_test.c -+++ b/drivers/staging/lustre/lnet/selftest/brw_test.c -@@ -487,13 +487,11 @@ brw_server_handle(struct srpc_server_rpc *rpc) - return 0; - } - --sfw_test_client_ops_t brw_test_client; --void brw_init_test_client(void) --{ -- brw_test_client.tso_init = brw_client_init; -- brw_test_client.tso_fini = brw_client_fini; -- brw_test_client.tso_prep_rpc = brw_client_prep_rpc; -- brw_test_client.tso_done_rpc = brw_client_done_rpc; -+sfw_test_client_ops_t brw_test_client = { -+ .tso_init = brw_client_init, -+ .tso_fini = brw_client_fini, -+ .tso_prep_rpc = brw_client_prep_rpc, -+ .tso_done_rpc = brw_client_done_rpc, - }; - - srpc_service_t brw_test_service; -diff --git a/drivers/staging/lustre/lnet/selftest/framework.c b/drivers/staging/lustre/lnet/selftest/framework.c -index a93a90d..c51dde6 100644 ---- a/drivers/staging/lustre/lnet/selftest/framework.c -+++ b/drivers/staging/lustre/lnet/selftest/framework.c -@@ -1628,12 +1628,10 @@ static srpc_service_t sfw_services[] = { - - extern sfw_test_client_ops_t ping_test_client; - extern srpc_service_t ping_test_service; --extern void ping_init_test_client(void); - extern void ping_init_test_service(void); - - extern sfw_test_client_ops_t brw_test_client; - extern srpc_service_t brw_test_service; --extern void brw_init_test_client(void); - extern void brw_init_test_service(void); - - -@@ -1675,12 +1673,10 @@ sfw_startup(void) - INIT_LIST_HEAD(&sfw_data.fw_zombie_rpcs); - INIT_LIST_HEAD(&sfw_data.fw_zombie_sessions); - -- brw_init_test_client(); - brw_init_test_service(); - rc = sfw_register_test(&brw_test_service, &brw_test_client); - LASSERT(rc == 0); - -- ping_init_test_client(); - ping_init_test_service(); - rc = sfw_register_test(&ping_test_service, &ping_test_client); - LASSERT(rc == 0); -diff --git a/drivers/staging/lustre/lnet/selftest/ping_test.c b/drivers/staging/lustre/lnet/selftest/ping_test.c -index 644069a..83cbd26 100644 ---- a/drivers/staging/lustre/lnet/selftest/ping_test.c -+++ b/drivers/staging/lustre/lnet/selftest/ping_test.c -@@ -211,14 +211,12 @@ ping_server_handle(struct srpc_server_rpc *rpc) - return 0; - } - --sfw_test_client_ops_t ping_test_client; --void ping_init_test_client(void) --{ -- ping_test_client.tso_init = ping_client_init; -- ping_test_client.tso_fini = ping_client_fini; -- ping_test_client.tso_prep_rpc = ping_client_prep_rpc; -- ping_test_client.tso_done_rpc = ping_client_done_rpc; --} -+sfw_test_client_ops_t ping_test_client = { -+ .tso_init = ping_client_init, -+ .tso_fini = ping_client_fini, -+ .tso_prep_rpc = ping_client_prep_rpc, -+ .tso_done_rpc = ping_client_done_rpc, -+}; - - srpc_service_t ping_test_service; - void ping_init_test_service(void) -diff --git a/drivers/staging/lustre/lustre/include/lustre_dlm.h b/drivers/staging/lustre/lustre/include/lustre_dlm.h -index bac9902..0225fe1 100644 ---- a/drivers/staging/lustre/lustre/include/lustre_dlm.h -+++ b/drivers/staging/lustre/lustre/include/lustre_dlm.h -@@ -1139,7 +1139,7 @@ struct ldlm_callback_suite { - ldlm_completion_callback lcs_completion; - ldlm_blocking_callback lcs_blocking; - ldlm_glimpse_callback lcs_glimpse; --}; -+} __no_const; - - /* ldlm_lockd.c */ - int ldlm_del_waiting_lock(struct ldlm_lock *lock); -diff --git a/drivers/staging/lustre/lustre/include/obd.h b/drivers/staging/lustre/lustre/include/obd.h -index 2a88b80..62e7e5f 100644 ---- a/drivers/staging/lustre/lustre/include/obd.h -+++ b/drivers/staging/lustre/lustre/include/obd.h -@@ -1362,7 +1362,7 @@ struct md_ops { - * lprocfs_alloc_md_stats() in obdclass/lprocfs_status.c. Also, add a - * wrapper function in include/linux/obd_class.h. - */ --}; -+} __no_const; - - struct lsm_operations { - void (*lsm_free)(struct lov_stripe_md *); -diff --git a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c -index a4c252f..b21acac 100644 ---- a/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c -+++ b/drivers/staging/lustre/lustre/ldlm/ldlm_flock.c -@@ -258,7 +258,7 @@ ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags, int first_enq, - int added = (mode == LCK_NL); - int overlaps = 0; - int splitted = 0; -- const struct ldlm_callback_suite null_cbs = { NULL }; -+ const struct ldlm_callback_suite null_cbs = { }; - - CDEBUG(D_DLMTRACE, - "flags %#llx owner %llu pid %u mode %u start %llu end %llu\n", -diff --git a/drivers/staging/lustre/lustre/libcfs/module.c b/drivers/staging/lustre/lustre/libcfs/module.c -index f0ee76a..1d01af9 100644 ---- a/drivers/staging/lustre/lustre/libcfs/module.c -+++ b/drivers/staging/lustre/lustre/libcfs/module.c -@@ -380,11 +380,11 @@ out: - - - struct cfs_psdev_ops libcfs_psdev_ops = { -- libcfs_psdev_open, -- libcfs_psdev_release, -- NULL, -- NULL, -- libcfs_ioctl -+ .p_open = libcfs_psdev_open, -+ .p_close = libcfs_psdev_release, -+ .p_read = NULL, -+ .p_write = NULL, -+ .p_ioctl = libcfs_ioctl - }; - - static int init_libcfs_module(void) -@@ -631,7 +631,7 @@ static int proc_console_max_delay_cs(struct ctl_table *table, int write, - loff_t *ppos) - { - int rc, max_delay_cs; -- struct ctl_table dummy = *table; -+ ctl_table_no_const dummy = *table; - long d; - - dummy.data = &max_delay_cs; -@@ -664,7 +664,7 @@ static int proc_console_min_delay_cs(struct ctl_table *table, int write, - loff_t *ppos) - { - int rc, min_delay_cs; -- struct ctl_table dummy = *table; -+ ctl_table_no_const dummy = *table; - long d; - - dummy.data = &min_delay_cs; -@@ -696,7 +696,7 @@ static int proc_console_backoff(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - int rc, backoff; -- struct ctl_table dummy = *table; -+ ctl_table_no_const dummy = *table; - - dummy.data = &backoff; - dummy.proc_handler = &proc_dointvec; -diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c -index 22667db..8b703b6 100644 ---- a/drivers/staging/octeon/ethernet-rx.c -+++ b/drivers/staging/octeon/ethernet-rx.c -@@ -354,14 +354,14 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) - /* Increment RX stats for virtual ports */ - if (work->ipprt >= CVMX_PIP_NUM_INPUT_PORTS) { - #ifdef CONFIG_64BIT -- atomic64_add(1, -+ atomic64_add_unchecked(1, - (atomic64_t *)&priv->stats.rx_packets); -- atomic64_add(skb->len, -+ atomic64_add_unchecked(skb->len, - (atomic64_t *)&priv->stats.rx_bytes); - #else -- atomic_add(1, -+ atomic_add_unchecked(1, - (atomic_t *)&priv->stats.rx_packets); -- atomic_add(skb->len, -+ atomic_add_unchecked(skb->len, - (atomic_t *)&priv->stats.rx_bytes); - #endif - } -@@ -373,10 +373,10 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget) - dev->name); - */ - #ifdef CONFIG_64BIT -- atomic64_add(1, -+ atomic64_add_unchecked(1, - (atomic64_t *)&priv->stats.rx_dropped); - #else -- atomic_add(1, -+ atomic_add_unchecked(1, - (atomic_t *)&priv->stats.rx_dropped); - #endif - dev_kfree_skb_irq(skb); -diff --git a/drivers/staging/octeon/ethernet.c b/drivers/staging/octeon/ethernet.c -index fbbe866..2943243 100644 ---- a/drivers/staging/octeon/ethernet.c -+++ b/drivers/staging/octeon/ethernet.c -@@ -251,11 +251,11 @@ static struct net_device_stats *cvm_oct_common_get_stats(struct net_device *dev) - * since the RX tasklet also increments it. - */ - #ifdef CONFIG_64BIT -- atomic64_add(rx_status.dropped_packets, -- (atomic64_t *)&priv->stats.rx_dropped); -+ atomic64_add_unchecked(rx_status.dropped_packets, -+ (atomic64_unchecked_t *)&priv->stats.rx_dropped); - #else -- atomic_add(rx_status.dropped_packets, -- (atomic_t *)&priv->stats.rx_dropped); -+ atomic_add_unchecked(rx_status.dropped_packets, -+ (atomic_unchecked_t *)&priv->stats.rx_dropped); - #endif - } - -diff --git a/drivers/staging/rtl8188eu/include/hal_intf.h b/drivers/staging/rtl8188eu/include/hal_intf.h -index 3b476d8..f522d68 100644 ---- a/drivers/staging/rtl8188eu/include/hal_intf.h -+++ b/drivers/staging/rtl8188eu/include/hal_intf.h -@@ -225,7 +225,7 @@ struct hal_ops { - - void (*hal_notch_filter)(struct adapter *adapter, bool enable); - void (*hal_reset_security_engine)(struct adapter *adapter); --}; -+} __no_const; - - enum rt_eeprom_type { - EEPROM_93C46, -diff --git a/drivers/staging/rtl8712/rtl871x_io.h b/drivers/staging/rtl8712/rtl871x_io.h -index 070cc03..6806e37 100644 ---- a/drivers/staging/rtl8712/rtl871x_io.h -+++ b/drivers/staging/rtl8712/rtl871x_io.h -@@ -108,7 +108,7 @@ struct _io_ops { - u8 *pmem); - u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt, - u8 *pmem); --}; -+} __no_const; - - struct io_req { - struct list_head list; -diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c -index dbbb2f8..5232114 100644 ---- a/drivers/staging/sm750fb/sm750.c -+++ b/drivers/staging/sm750fb/sm750.c -@@ -780,6 +780,7 @@ static struct fb_ops lynxfb_ops = { - .fb_set_par = lynxfb_ops_set_par, - .fb_setcolreg = lynxfb_ops_setcolreg, - .fb_blank = lynxfb_ops_blank, -+ .fb_pan_display = lynxfb_ops_pan_display, - .fb_fillrect = cfb_fillrect, - .fb_imageblit = cfb_imageblit, - .fb_copyarea = cfb_copyarea, -@@ -827,8 +828,10 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index) - par->index = index; - output->channel = &crtc->channel; - sm750fb_set_drv(par); -- lynxfb_ops.fb_pan_display = lynxfb_ops_pan_display; - -+ pax_open_kernel(); -+ *(void **)&lynxfb_ops.fb_pan_display = lynxfb_ops_pan_display; -+ pax_close_kernel(); - - /* set current cursor variable and proc pointer, - * must be set after crtc member initialized */ -@@ -850,7 +853,9 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index) - crtc->cursor.share = share; - memset_io(crtc->cursor.vstart, 0, crtc->cursor.size); - if (!g_hwcursor) { -- lynxfb_ops.fb_cursor = NULL; -+ pax_open_kernel(); -+ *(void **)&lynxfb_ops.fb_cursor = NULL; -+ pax_close_kernel(); - crtc->cursor.disable(&crtc->cursor); - } - -@@ -858,9 +863,11 @@ static int lynxfb_set_fbinfo(struct fb_info *info, int index) - /* set info->fbops, must be set before fb_find_mode */ - if (!share->accel_off) { - /* use 2d acceleration */ -- lynxfb_ops.fb_fillrect = lynxfb_ops_fillrect; -- lynxfb_ops.fb_copyarea = lynxfb_ops_copyarea; -- lynxfb_ops.fb_imageblit = lynxfb_ops_imageblit; -+ pax_open_kernel(); -+ *(void **)&lynxfb_ops.fb_fillrect = lynxfb_ops_fillrect; -+ *(void **)&lynxfb_ops.fb_copyarea = lynxfb_ops_copyarea; -+ *(void **)&lynxfb_ops.fb_imageblit = lynxfb_ops_imageblit; -+ pax_close_kernel(); - } - info->fbops = &lynxfb_ops; - -diff --git a/drivers/staging/unisys/visorchipset/visorchipset.h b/drivers/staging/unisys/visorchipset/visorchipset.h -index bd46df9..a0a5274 100644 ---- a/drivers/staging/unisys/visorchipset/visorchipset.h -+++ b/drivers/staging/unisys/visorchipset/visorchipset.h -@@ -170,7 +170,7 @@ struct visorchipset_busdev_notifiers { - void (*device_resume)(ulong bus_no, ulong dev_no); - int (*get_channel_info)(uuid_le type_uuid, ulong *min_size, - ulong *max_size); --}; -+} __no_const; - - /* These functions live inside visorchipset, and will be called to indicate - * responses to specific events (by code outside of visorchipset). -@@ -185,7 +185,7 @@ struct visorchipset_busdev_responders { - void (*device_destroy)(ulong bus_no, ulong dev_no, int response); - void (*device_pause)(ulong bus_no, ulong dev_no, int response); - void (*device_resume)(ulong bus_no, ulong dev_no, int response); --}; -+} __no_const; - - /** Register functions (in the bus driver) to get called by visorchipset - * whenever a bus or device appears for which this service partition is -diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c -index 18b0f97..9c7716e 100644 ---- a/drivers/target/sbp/sbp_target.c -+++ b/drivers/target/sbp/sbp_target.c -@@ -61,7 +61,7 @@ static const u32 sbp_unit_directory_template[] = { - - #define SESSION_MAINTENANCE_INTERVAL HZ - --static atomic_t login_id = ATOMIC_INIT(0); -+static atomic_unchecked_t login_id = ATOMIC_INIT(0); - - static void session_maintenance_work(struct work_struct *); - static int sbp_run_transaction(struct fw_card *, int, int, int, int, -@@ -443,7 +443,7 @@ static void sbp_management_request_login( - login->lun = se_lun; - login->status_fifo_addr = sbp2_pointer_to_addr(&req->orb.status_fifo); - login->exclusive = LOGIN_ORB_EXCLUSIVE(be32_to_cpu(req->orb.misc)); -- login->login_id = atomic_inc_return(&login_id); -+ login->login_id = atomic_inc_return_unchecked(&login_id); - - login->tgt_agt = sbp_target_agent_register(login); - if (IS_ERR(login->tgt_agt)) { -diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c -index ce5f768..a4f884a 100644 ---- a/drivers/target/target_core_device.c -+++ b/drivers/target/target_core_device.c -@@ -1496,7 +1496,7 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name) - spin_lock_init(&dev->se_tmr_lock); - spin_lock_init(&dev->qf_cmd_lock); - sema_init(&dev->caw_sem, 1); -- atomic_set(&dev->dev_ordered_id, 0); -+ atomic_set_unchecked(&dev->dev_ordered_id, 0); - INIT_LIST_HEAD(&dev->t10_wwn.t10_vpd_list); - spin_lock_init(&dev->t10_wwn.t10_vpd_lock); - INIT_LIST_HEAD(&dev->t10_pr.registration_list); -diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c -index 675f2d9..1389429 100644 ---- a/drivers/target/target_core_transport.c -+++ b/drivers/target/target_core_transport.c -@@ -1208,7 +1208,7 @@ transport_check_alloc_task_attr(struct se_cmd *cmd) - * Used to determine when ORDERED commands should go from - * Dormant to Active status. - */ -- cmd->se_ordered_id = atomic_inc_return(&dev->dev_ordered_id); -+ cmd->se_ordered_id = atomic_inc_return_unchecked(&dev->dev_ordered_id); - pr_debug("Allocated se_ordered_id: %u for Task Attr: 0x%02x on %s\n", - cmd->se_ordered_id, cmd->sam_task_attr, - dev->transport->name); -diff --git a/drivers/thermal/int340x_thermal/int3400_thermal.c b/drivers/thermal/int340x_thermal/int3400_thermal.c -index 031018e..90981a1 100644 ---- a/drivers/thermal/int340x_thermal/int3400_thermal.c -+++ b/drivers/thermal/int340x_thermal/int3400_thermal.c -@@ -272,8 +272,10 @@ static int int3400_thermal_probe(struct platform_device *pdev) - platform_set_drvdata(pdev, priv); - - if (priv->uuid_bitmap & 1 << INT3400_THERMAL_PASSIVE_1) { -- int3400_thermal_ops.get_mode = int3400_thermal_get_mode; -- int3400_thermal_ops.set_mode = int3400_thermal_set_mode; -+ pax_open_kernel(); -+ *(void **)&int3400_thermal_ops.get_mode = int3400_thermal_get_mode; -+ *(void **)&int3400_thermal_ops.set_mode = int3400_thermal_set_mode; -+ pax_close_kernel(); - } - priv->thermal = thermal_zone_device_register("INT3400 Thermal", 0, 0, - priv, &int3400_thermal_ops, -diff --git a/drivers/thermal/of-thermal.c b/drivers/thermal/of-thermal.c -index 668fb1b..2737bbe 100644 ---- a/drivers/thermal/of-thermal.c -+++ b/drivers/thermal/of-thermal.c -@@ -31,6 +31,7 @@ - #include <linux/export.h> - #include <linux/string.h> - #include <linux/thermal.h> -+#include <linux/mm.h> - - #include "thermal_core.h" - -@@ -412,9 +413,11 @@ thermal_zone_of_add_sensor(struct device_node *zone, - tz->ops = ops; - tz->sensor_data = data; - -- tzd->ops->get_temp = of_thermal_get_temp; -- tzd->ops->get_trend = of_thermal_get_trend; -- tzd->ops->set_emul_temp = of_thermal_set_emul_temp; -+ pax_open_kernel(); -+ *(void **)&tzd->ops->get_temp = of_thermal_get_temp; -+ *(void **)&tzd->ops->get_trend = of_thermal_get_trend; -+ *(void **)&tzd->ops->set_emul_temp = of_thermal_set_emul_temp; -+ pax_close_kernel(); - mutex_unlock(&tzd->lock); - - return tzd; -@@ -544,9 +547,11 @@ void thermal_zone_of_sensor_unregister(struct device *dev, - return; - - mutex_lock(&tzd->lock); -- tzd->ops->get_temp = NULL; -- tzd->ops->get_trend = NULL; -- tzd->ops->set_emul_temp = NULL; -+ pax_open_kernel(); -+ *(void **)&tzd->ops->get_temp = NULL; -+ *(void **)&tzd->ops->get_trend = NULL; -+ *(void **)&tzd->ops->set_emul_temp = NULL; -+ pax_close_kernel(); - - tz->ops = NULL; - tz->sensor_data = NULL; -diff --git a/drivers/thermal/x86_pkg_temp_thermal.c b/drivers/thermal/x86_pkg_temp_thermal.c -index 9ea3d9d..53e8792 100644 ---- a/drivers/thermal/x86_pkg_temp_thermal.c -+++ b/drivers/thermal/x86_pkg_temp_thermal.c -@@ -567,7 +567,7 @@ static int pkg_temp_thermal_cpu_callback(struct notifier_block *nfb, - return NOTIFY_OK; - } - --static struct notifier_block pkg_temp_thermal_notifier __refdata = { -+static struct notifier_block pkg_temp_thermal_notifier __refconst = { - .notifier_call = pkg_temp_thermal_cpu_callback, - }; - -diff --git a/drivers/tty/cyclades.c b/drivers/tty/cyclades.c -index fd66f57..48e6376 100644 ---- a/drivers/tty/cyclades.c -+++ b/drivers/tty/cyclades.c -@@ -1570,10 +1570,10 @@ static int cy_open(struct tty_struct *tty, struct file *filp) - printk(KERN_DEBUG "cyc:cy_open ttyC%d, count = %d\n", info->line, - info->port.count); - #endif -- info->port.count++; -+ atomic_inc(&info->port.count); - #ifdef CY_DEBUG_COUNT - printk(KERN_DEBUG "cyc:cy_open (%d): incrementing count to %d\n", -- current->pid, info->port.count); -+ current->pid, atomic_read(&info->port.count)); - #endif - - /* -@@ -3974,7 +3974,7 @@ static int cyclades_proc_show(struct seq_file *m, void *v) - for (j = 0; j < cy_card[i].nports; j++) { - info = &cy_card[i].ports[j]; - -- if (info->port.count) { -+ if (atomic_read(&info->port.count)) { - /* XXX is the ldisc num worth this? */ - struct tty_struct *tty; - struct tty_ldisc *ld; -diff --git a/drivers/tty/hvc/hvc_console.c b/drivers/tty/hvc/hvc_console.c -index 4fcec1d..5a036f7 100644 ---- a/drivers/tty/hvc/hvc_console.c -+++ b/drivers/tty/hvc/hvc_console.c -@@ -342,7 +342,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp) - - spin_lock_irqsave(&hp->port.lock, flags); - /* Check and then increment for fast path open. */ -- if (hp->port.count++ > 0) { -+ if (atomic_inc_return(&hp->port.count) > 1) { - spin_unlock_irqrestore(&hp->port.lock, flags); - hvc_kick(); - return 0; -@@ -397,7 +397,7 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) - - spin_lock_irqsave(&hp->port.lock, flags); - -- if (--hp->port.count == 0) { -+ if (atomic_dec_return(&hp->port.count) == 0) { - spin_unlock_irqrestore(&hp->port.lock, flags); - /* We are done with the tty pointer now. */ - tty_port_tty_set(&hp->port, NULL); -@@ -419,9 +419,9 @@ static void hvc_close(struct tty_struct *tty, struct file * filp) - */ - tty_wait_until_sent_from_close(tty, HVC_CLOSE_WAIT); - } else { -- if (hp->port.count < 0) -+ if (atomic_read(&hp->port.count) < 0) - printk(KERN_ERR "hvc_close %X: oops, count is %d\n", -- hp->vtermno, hp->port.count); -+ hp->vtermno, atomic_read(&hp->port.count)); - spin_unlock_irqrestore(&hp->port.lock, flags); - } - } -@@ -451,12 +451,12 @@ static void hvc_hangup(struct tty_struct *tty) - * open->hangup case this can be called after the final close so prevent - * that from happening for now. - */ -- if (hp->port.count <= 0) { -+ if (atomic_read(&hp->port.count) <= 0) { - spin_unlock_irqrestore(&hp->port.lock, flags); - return; - } - -- hp->port.count = 0; -+ atomic_set(&hp->port.count, 0); - spin_unlock_irqrestore(&hp->port.lock, flags); - tty_port_tty_set(&hp->port, NULL); - -@@ -504,7 +504,7 @@ static int hvc_write(struct tty_struct *tty, const unsigned char *buf, int count - return -EPIPE; - - /* FIXME what's this (unprotected) check for? */ -- if (hp->port.count <= 0) -+ if (atomic_read(&hp->port.count) <= 0) - return -EIO; - - spin_lock_irqsave(&hp->lock, flags); -diff --git a/drivers/tty/hvc/hvcs.c b/drivers/tty/hvc/hvcs.c -index 81ff7e1..dfb7b71 100644 ---- a/drivers/tty/hvc/hvcs.c -+++ b/drivers/tty/hvc/hvcs.c -@@ -83,6 +83,7 @@ - #include <asm/hvcserver.h> - #include <asm/uaccess.h> - #include <asm/vio.h> -+#include <asm/local.h> - - /* - * 1.3.0 -> 1.3.1 In hvcs_open memset(..,0x00,..) instead of memset(..,0x3F,00). -@@ -416,7 +417,7 @@ static ssize_t hvcs_vterm_state_store(struct device *dev, struct device_attribut - - spin_lock_irqsave(&hvcsd->lock, flags); - -- if (hvcsd->port.count > 0) { -+ if (atomic_read(&hvcsd->port.count) > 0) { - spin_unlock_irqrestore(&hvcsd->lock, flags); - printk(KERN_INFO "HVCS: vterm state unchanged. " - "The hvcs device node is still in use.\n"); -@@ -1127,7 +1128,7 @@ static int hvcs_install(struct tty_driver *driver, struct tty_struct *tty) - } - } - -- hvcsd->port.count = 0; -+ atomic_set(&hvcsd->port.count, 0); - hvcsd->port.tty = tty; - tty->driver_data = hvcsd; - -@@ -1180,7 +1181,7 @@ static int hvcs_open(struct tty_struct *tty, struct file *filp) - unsigned long flags; - - spin_lock_irqsave(&hvcsd->lock, flags); -- hvcsd->port.count++; -+ atomic_inc(&hvcsd->port.count); - hvcsd->todo_mask |= HVCS_SCHED_READ; - spin_unlock_irqrestore(&hvcsd->lock, flags); - -@@ -1216,7 +1217,7 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp) - hvcsd = tty->driver_data; - - spin_lock_irqsave(&hvcsd->lock, flags); -- if (--hvcsd->port.count == 0) { -+ if (atomic_dec_and_test(&hvcsd->port.count)) { - - vio_disable_interrupts(hvcsd->vdev); - -@@ -1241,10 +1242,10 @@ static void hvcs_close(struct tty_struct *tty, struct file *filp) - - free_irq(irq, hvcsd); - return; -- } else if (hvcsd->port.count < 0) { -+ } else if (atomic_read(&hvcsd->port.count) < 0) { - printk(KERN_ERR "HVCS: vty-server@%X open_count: %d" - " is missmanaged.\n", -- hvcsd->vdev->unit_address, hvcsd->port.count); -+ hvcsd->vdev->unit_address, atomic_read(&hvcsd->port.count)); - } - - spin_unlock_irqrestore(&hvcsd->lock, flags); -@@ -1266,7 +1267,7 @@ static void hvcs_hangup(struct tty_struct * tty) - - spin_lock_irqsave(&hvcsd->lock, flags); - /* Preserve this so that we know how many kref refs to put */ -- temp_open_count = hvcsd->port.count; -+ temp_open_count = atomic_read(&hvcsd->port.count); - - /* - * Don't kref put inside the spinlock because the destruction -@@ -1281,7 +1282,7 @@ static void hvcs_hangup(struct tty_struct * tty) - tty->driver_data = NULL; - hvcsd->port.tty = NULL; - -- hvcsd->port.count = 0; -+ atomic_set(&hvcsd->port.count, 0); - - /* This will drop any buffered data on the floor which is OK in a hangup - * scenario. */ -@@ -1352,7 +1353,7 @@ static int hvcs_write(struct tty_struct *tty, - * the middle of a write operation? This is a crummy place to do this - * but we want to keep it all in the spinlock. - */ -- if (hvcsd->port.count <= 0) { -+ if (atomic_read(&hvcsd->port.count) <= 0) { - spin_unlock_irqrestore(&hvcsd->lock, flags); - return -ENODEV; - } -@@ -1426,7 +1427,7 @@ static int hvcs_write_room(struct tty_struct *tty) - { - struct hvcs_struct *hvcsd = tty->driver_data; - -- if (!hvcsd || hvcsd->port.count <= 0) -+ if (!hvcsd || atomic_read(&hvcsd->port.count) <= 0) - return 0; - - return HVCS_BUFF_LEN - hvcsd->chars_in_buffer; -diff --git a/drivers/tty/hvc/hvsi.c b/drivers/tty/hvc/hvsi.c -index 4190199..06d5bfa 100644 ---- a/drivers/tty/hvc/hvsi.c -+++ b/drivers/tty/hvc/hvsi.c -@@ -85,7 +85,7 @@ struct hvsi_struct { - int n_outbuf; - uint32_t vtermno; - uint32_t virq; -- atomic_t seqno; /* HVSI packet sequence number */ -+ atomic_unchecked_t seqno; /* HVSI packet sequence number */ - uint16_t mctrl; - uint8_t state; /* HVSI protocol state */ - uint8_t flags; -@@ -295,7 +295,7 @@ static int hvsi_version_respond(struct hvsi_struct *hp, uint16_t query_seqno) - - packet.hdr.type = VS_QUERY_RESPONSE_PACKET_HEADER; - packet.hdr.len = sizeof(struct hvsi_query_response); -- packet.hdr.seqno = atomic_inc_return(&hp->seqno); -+ packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno); - packet.verb = VSV_SEND_VERSION_NUMBER; - packet.u.version = HVSI_VERSION; - packet.query_seqno = query_seqno+1; -@@ -555,7 +555,7 @@ static int hvsi_query(struct hvsi_struct *hp, uint16_t verb) - - packet.hdr.type = VS_QUERY_PACKET_HEADER; - packet.hdr.len = sizeof(struct hvsi_query); -- packet.hdr.seqno = atomic_inc_return(&hp->seqno); -+ packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno); - packet.verb = verb; - - pr_debug("%s: sending %i bytes\n", __func__, packet.hdr.len); -@@ -597,7 +597,7 @@ static int hvsi_set_mctrl(struct hvsi_struct *hp, uint16_t mctrl) - int wrote; - - packet.hdr.type = VS_CONTROL_PACKET_HEADER, -- packet.hdr.seqno = atomic_inc_return(&hp->seqno); -+ packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno); - packet.hdr.len = sizeof(struct hvsi_control); - packet.verb = VSV_SET_MODEM_CTL; - packet.mask = HVSI_TSDTR; -@@ -680,7 +680,7 @@ static int hvsi_put_chars(struct hvsi_struct *hp, const char *buf, int count) - BUG_ON(count > HVSI_MAX_OUTGOING_DATA); - - packet.hdr.type = VS_DATA_PACKET_HEADER; -- packet.hdr.seqno = atomic_inc_return(&hp->seqno); -+ packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno); - packet.hdr.len = count + sizeof(struct hvsi_header); - memcpy(&packet.data, buf, count); - -@@ -697,7 +697,7 @@ static void hvsi_close_protocol(struct hvsi_struct *hp) - struct hvsi_control packet __ALIGNED__; - - packet.hdr.type = VS_CONTROL_PACKET_HEADER; -- packet.hdr.seqno = atomic_inc_return(&hp->seqno); -+ packet.hdr.seqno = atomic_inc_return_unchecked(&hp->seqno); - packet.hdr.len = 6; - packet.verb = VSV_CLOSE_PROTOCOL; - -@@ -725,7 +725,7 @@ static int hvsi_open(struct tty_struct *tty, struct file *filp) - - tty_port_tty_set(&hp->port, tty); - spin_lock_irqsave(&hp->lock, flags); -- hp->port.count++; -+ atomic_inc(&hp->port.count); - atomic_set(&hp->seqno, 0); - h_vio_signal(hp->vtermno, VIO_IRQ_ENABLE); - spin_unlock_irqrestore(&hp->lock, flags); -@@ -782,7 +782,7 @@ static void hvsi_close(struct tty_struct *tty, struct file *filp) - - spin_lock_irqsave(&hp->lock, flags); - -- if (--hp->port.count == 0) { -+ if (atomic_dec_return(&hp->port.count) == 0) { - tty_port_tty_set(&hp->port, NULL); - hp->inbuf_end = hp->inbuf; /* discard remaining partial packets */ - -@@ -815,9 +815,9 @@ static void hvsi_close(struct tty_struct *tty, struct file *filp) - - spin_lock_irqsave(&hp->lock, flags); - } -- } else if (hp->port.count < 0) -+ } else if (atomic_read(&hp->port.count) < 0) - printk(KERN_ERR "hvsi_close %lu: oops, count is %d\n", -- hp - hvsi_ports, hp->port.count); -+ hp - hvsi_ports, atomic_read(&hp->port.count)); - - spin_unlock_irqrestore(&hp->lock, flags); - } -@@ -832,7 +832,7 @@ static void hvsi_hangup(struct tty_struct *tty) - tty_port_tty_set(&hp->port, NULL); - - spin_lock_irqsave(&hp->lock, flags); -- hp->port.count = 0; -+ atomic_set(&hp->port.count, 0); - hp->n_outbuf = 0; - spin_unlock_irqrestore(&hp->lock, flags); - } -diff --git a/drivers/tty/hvc/hvsi_lib.c b/drivers/tty/hvc/hvsi_lib.c -index a270f04..7c77b5d 100644 ---- a/drivers/tty/hvc/hvsi_lib.c -+++ b/drivers/tty/hvc/hvsi_lib.c -@@ -8,7 +8,7 @@ - - static int hvsi_send_packet(struct hvsi_priv *pv, struct hvsi_header *packet) - { -- packet->seqno = cpu_to_be16(atomic_inc_return(&pv->seqno)); -+ packet->seqno = cpu_to_be16(atomic_inc_return_unchecked(&pv->seqno)); - - /* Assumes that always succeeds, works in practice */ - return pv->put_chars(pv->termno, (char *)packet, packet->len); -@@ -20,7 +20,7 @@ static void hvsi_start_handshake(struct hvsi_priv *pv) - - /* Reset state */ - pv->established = 0; -- atomic_set(&pv->seqno, 0); -+ atomic_set_unchecked(&pv->seqno, 0); - - pr_devel("HVSI@%x: Handshaking started\n", pv->termno); - -diff --git a/drivers/tty/ipwireless/tty.c b/drivers/tty/ipwireless/tty.c -index 345cebb..d5a1e9e 100644 ---- a/drivers/tty/ipwireless/tty.c -+++ b/drivers/tty/ipwireless/tty.c -@@ -28,6 +28,7 @@ - #include <linux/tty_driver.h> - #include <linux/tty_flip.h> - #include <linux/uaccess.h> -+#include <asm/local.h> - - #include "tty.h" - #include "network.h" -@@ -93,10 +94,10 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp) - return -ENODEV; - - mutex_lock(&tty->ipw_tty_mutex); -- if (tty->port.count == 0) -+ if (atomic_read(&tty->port.count) == 0) - tty->tx_bytes_queued = 0; - -- tty->port.count++; -+ atomic_inc(&tty->port.count); - - tty->port.tty = linux_tty; - linux_tty->driver_data = tty; -@@ -112,9 +113,7 @@ static int ipw_open(struct tty_struct *linux_tty, struct file *filp) - - static void do_ipw_close(struct ipw_tty *tty) - { -- tty->port.count--; -- -- if (tty->port.count == 0) { -+ if (atomic_dec_return(&tty->port.count) == 0) { - struct tty_struct *linux_tty = tty->port.tty; - - if (linux_tty != NULL) { -@@ -135,7 +134,7 @@ static void ipw_hangup(struct tty_struct *linux_tty) - return; - - mutex_lock(&tty->ipw_tty_mutex); -- if (tty->port.count == 0) { -+ if (atomic_read(&tty->port.count) == 0) { - mutex_unlock(&tty->ipw_tty_mutex); - return; - } -@@ -158,7 +157,7 @@ void ipwireless_tty_received(struct ipw_tty *tty, unsigned char *data, - - mutex_lock(&tty->ipw_tty_mutex); - -- if (!tty->port.count) { -+ if (!atomic_read(&tty->port.count)) { - mutex_unlock(&tty->ipw_tty_mutex); - return; - } -@@ -197,7 +196,7 @@ static int ipw_write(struct tty_struct *linux_tty, - return -ENODEV; - - mutex_lock(&tty->ipw_tty_mutex); -- if (!tty->port.count) { -+ if (!atomic_read(&tty->port.count)) { - mutex_unlock(&tty->ipw_tty_mutex); - return -EINVAL; - } -@@ -237,7 +236,7 @@ static int ipw_write_room(struct tty_struct *linux_tty) - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - room = IPWIRELESS_TX_QUEUE_SIZE - tty->tx_bytes_queued; -@@ -279,7 +278,7 @@ static int ipw_chars_in_buffer(struct tty_struct *linux_tty) - if (!tty) - return 0; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return 0; - - return tty->tx_bytes_queued; -@@ -360,7 +359,7 @@ static int ipw_tiocmget(struct tty_struct *linux_tty) - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - return get_control_lines(tty); -@@ -376,7 +375,7 @@ ipw_tiocmset(struct tty_struct *linux_tty, - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - return set_control_lines(tty, set, clear); -@@ -390,7 +389,7 @@ static int ipw_ioctl(struct tty_struct *linux_tty, - if (!tty) - return -ENODEV; - -- if (!tty->port.count) -+ if (!atomic_read(&tty->port.count)) - return -EINVAL; - - /* FIXME: Exactly how is the tty object locked here .. */ -@@ -546,7 +545,7 @@ void ipwireless_tty_free(struct ipw_tty *tty) - * are gone */ - mutex_lock(&ttyj->ipw_tty_mutex); - } -- while (ttyj->port.count) -+ while (atomic_read(&ttyj->port.count)) - do_ipw_close(ttyj); - ipwireless_disassociate_network_ttys(network, - ttyj->channel_idx); -diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c -index 14c54e0..1efd4f2 100644 ---- a/drivers/tty/moxa.c -+++ b/drivers/tty/moxa.c -@@ -1189,7 +1189,7 @@ static int moxa_open(struct tty_struct *tty, struct file *filp) - } - - ch = &brd->ports[port % MAX_PORTS_PER_BOARD]; -- ch->port.count++; -+ atomic_inc(&ch->port.count); - tty->driver_data = ch; - tty_port_tty_set(&ch->port, tty); - mutex_lock(&ch->port.mutex); -diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c -index 2c34c32..81d10e1 100644 ---- a/drivers/tty/n_gsm.c -+++ b/drivers/tty/n_gsm.c -@@ -1644,7 +1644,7 @@ static struct gsm_dlci *gsm_dlci_alloc(struct gsm_mux *gsm, int addr) - spin_lock_init(&dlci->lock); - mutex_init(&dlci->mutex); - dlci->fifo = &dlci->_fifo; -- if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL) < 0) { -+ if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL)) { - kfree(dlci); - return NULL; - } -@@ -2958,7 +2958,7 @@ static int gsmtty_open(struct tty_struct *tty, struct file *filp) - struct gsm_dlci *dlci = tty->driver_data; - struct tty_port *port = &dlci->port; - -- port->count++; -+ atomic_inc(&port->count); - tty_port_tty_set(port, tty); - - dlci->modem_rx = 0; -diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c -index 16ed0b6..7d944b4 100644 ---- a/drivers/tty/n_tty.c -+++ b/drivers/tty/n_tty.c -@@ -116,7 +116,7 @@ struct n_tty_data { - int minimum_to_wake; - - /* consumer-published */ -- size_t read_tail; -+ size_t read_tail __intentional_overflow(-1); - size_t line_start; - - /* protected by output lock */ -@@ -2582,6 +2582,7 @@ void n_tty_inherit_ops(struct tty_ldisc_ops *ops) - { - *ops = tty_ldisc_N_TTY; - ops->owner = NULL; -- ops->refcount = ops->flags = 0; -+ atomic_set(&ops->refcount, 0); -+ ops->flags = 0; - } - EXPORT_SYMBOL_GPL(n_tty_inherit_ops); -diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c -index 4d5e840..a2340a6 100644 ---- a/drivers/tty/pty.c -+++ b/drivers/tty/pty.c -@@ -849,8 +849,10 @@ static void __init unix98_pty_init(void) - panic("Couldn't register Unix98 pts driver"); - - /* Now create the /dev/ptmx special device */ -+ pax_open_kernel(); - tty_default_fops(&ptmx_fops); -- ptmx_fops.open = ptmx_open; -+ *(void **)&ptmx_fops.open = ptmx_open; -+ pax_close_kernel(); - - cdev_init(&ptmx_cdev, &ptmx_fops); - if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) || -diff --git a/drivers/tty/rocket.c b/drivers/tty/rocket.c -index c8dd8dc..dca6cfd 100644 ---- a/drivers/tty/rocket.c -+++ b/drivers/tty/rocket.c -@@ -914,7 +914,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp) - tty->driver_data = info; - tty_port_tty_set(port, tty); - -- if (port->count++ == 0) { -+ if (atomic_inc_return(&port->count) == 1) { - atomic_inc(&rp_num_ports_open); - - #ifdef ROCKET_DEBUG_OPEN -@@ -923,7 +923,7 @@ static int rp_open(struct tty_struct *tty, struct file *filp) - #endif - } - #ifdef ROCKET_DEBUG_OPEN -- printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, info->port.count); -+ printk(KERN_INFO "rp_open ttyR%d, count=%d\n", info->line, atomic-read(&info->port.count)); - #endif - - /* -@@ -1515,7 +1515,7 @@ static void rp_hangup(struct tty_struct *tty) - spin_unlock_irqrestore(&info->port.lock, flags); - return; - } -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - atomic_dec(&rp_num_ports_open); - clear_bit((info->aiop * 8) + info->chan, (void *) &xmit_flags[info->board]); - spin_unlock_irqrestore(&info->port.lock, flags); -diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c -index 4506e40..ac0b470 100644 ---- a/drivers/tty/serial/8250/8250_core.c -+++ b/drivers/tty/serial/8250/8250_core.c -@@ -3241,9 +3241,9 @@ static void univ8250_release_port(struct uart_port *port) - - static void univ8250_rsa_support(struct uart_ops *ops) - { -- ops->config_port = univ8250_config_port; -- ops->request_port = univ8250_request_port; -- ops->release_port = univ8250_release_port; -+ *(void **)&ops->config_port = univ8250_config_port; -+ *(void **)&ops->request_port = univ8250_request_port; -+ *(void **)&ops->release_port = univ8250_release_port; - } - - #else -@@ -3286,8 +3286,10 @@ static void __init serial8250_isa_init_ports(void) - } - - /* chain base port ops to support Remote Supervisor Adapter */ -- univ8250_port_ops = *base_ops; -+ pax_open_kernel(); -+ memcpy((void *)&univ8250_port_ops, base_ops, sizeof univ8250_port_ops); - univ8250_rsa_support(&univ8250_port_ops); -+ pax_close_kernel(); - - if (share_irqs) - irqflag = IRQF_SHARED; -diff --git a/drivers/tty/serial/ioc4_serial.c b/drivers/tty/serial/ioc4_serial.c -index aa28209..e08fb85 100644 ---- a/drivers/tty/serial/ioc4_serial.c -+++ b/drivers/tty/serial/ioc4_serial.c -@@ -437,7 +437,7 @@ struct ioc4_soft { - } is_intr_info[MAX_IOC4_INTR_ENTS]; - - /* Number of entries active in the above array */ -- atomic_t is_num_intrs; -+ atomic_unchecked_t is_num_intrs; - } is_intr_type[IOC4_NUM_INTR_TYPES]; - - /* is_ir_lock must be held while -@@ -974,7 +974,7 @@ intr_connect(struct ioc4_soft *soft, int type, - BUG_ON(!((type == IOC4_SIO_INTR_TYPE) - || (type == IOC4_OTHER_INTR_TYPE))); - -- i = atomic_inc_return(&soft-> is_intr_type[type].is_num_intrs) - 1; -+ i = atomic_inc_return_unchecked(&soft-> is_intr_type[type].is_num_intrs) - 1; - BUG_ON(!(i < MAX_IOC4_INTR_ENTS || (printk("i %d\n", i), 0))); - - /* Save off the lower level interrupt handler */ -@@ -1001,7 +1001,7 @@ static irqreturn_t ioc4_intr(int irq, void *arg) - - soft = arg; - for (intr_type = 0; intr_type < IOC4_NUM_INTR_TYPES; intr_type++) { -- num_intrs = (int)atomic_read( -+ num_intrs = (int)atomic_read_unchecked( - &soft->is_intr_type[intr_type].is_num_intrs); - - this_mir = this_ir = pending_intrs(soft, intr_type); -diff --git a/drivers/tty/serial/kgdb_nmi.c b/drivers/tty/serial/kgdb_nmi.c -index 129dc5b..1da5bb8 100644 ---- a/drivers/tty/serial/kgdb_nmi.c -+++ b/drivers/tty/serial/kgdb_nmi.c -@@ -53,7 +53,9 @@ static int kgdb_nmi_console_setup(struct console *co, char *options) - * I/O utilities that messages sent to the console will automatically - * be displayed on the dbg_io. - */ -- dbg_io_ops->is_console = true; -+ pax_open_kernel(); -+ *(int *)&dbg_io_ops->is_console = true; -+ pax_close_kernel(); - - return 0; - } -diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c -index a260cde..6b2b5ce 100644 ---- a/drivers/tty/serial/kgdboc.c -+++ b/drivers/tty/serial/kgdboc.c -@@ -24,8 +24,9 @@ - #define MAX_CONFIG_LEN 40 - - static struct kgdb_io kgdboc_io_ops; -+static struct kgdb_io kgdboc_io_ops_console; - --/* -1 = init not run yet, 0 = unconfigured, 1 = configured. */ -+/* -1 = init not run yet, 0 = unconfigured, 1/2 = configured. */ - static int configured = -1; - - static char config[MAX_CONFIG_LEN]; -@@ -151,6 +152,8 @@ static void cleanup_kgdboc(void) - kgdboc_unregister_kbd(); - if (configured == 1) - kgdb_unregister_io_module(&kgdboc_io_ops); -+ else if (configured == 2) -+ kgdb_unregister_io_module(&kgdboc_io_ops_console); - } - - static int configure_kgdboc(void) -@@ -160,13 +163,13 @@ static int configure_kgdboc(void) - int err; - char *cptr = config; - struct console *cons; -+ int is_console = 0; - - err = kgdboc_option_setup(config); - if (err || !strlen(config) || isspace(config[0])) - goto noconfig; - - err = -ENODEV; -- kgdboc_io_ops.is_console = 0; - kgdb_tty_driver = NULL; - - kgdboc_use_kms = 0; -@@ -187,7 +190,7 @@ static int configure_kgdboc(void) - int idx; - if (cons->device && cons->device(cons, &idx) == p && - idx == tty_line) { -- kgdboc_io_ops.is_console = 1; -+ is_console = 1; - break; - } - cons = cons->next; -@@ -197,7 +200,13 @@ static int configure_kgdboc(void) - kgdb_tty_line = tty_line; - - do_register: -- err = kgdb_register_io_module(&kgdboc_io_ops); -+ if (is_console) { -+ err = kgdb_register_io_module(&kgdboc_io_ops_console); -+ configured = 2; -+ } else { -+ err = kgdb_register_io_module(&kgdboc_io_ops); -+ configured = 1; -+ } - if (err) - goto noconfig; - -@@ -205,8 +214,6 @@ do_register: - if (err) - goto nmi_con_failed; - -- configured = 1; -- - return 0; - - nmi_con_failed: -@@ -223,7 +230,7 @@ noconfig: - static int __init init_kgdboc(void) - { - /* Already configured? */ -- if (configured == 1) -+ if (configured >= 1) - return 0; - - return configure_kgdboc(); -@@ -272,7 +279,7 @@ static int param_set_kgdboc_var(const char *kmessage, struct kernel_param *kp) - if (config[len - 1] == '\n') - config[len - 1] = '\0'; - -- if (configured == 1) -+ if (configured >= 1) - cleanup_kgdboc(); - - /* Go and configure with the new params. */ -@@ -312,6 +319,15 @@ static struct kgdb_io kgdboc_io_ops = { - .post_exception = kgdboc_post_exp_handler, - }; - -+static struct kgdb_io kgdboc_io_ops_console = { -+ .name = "kgdboc", -+ .read_char = kgdboc_get_char, -+ .write_char = kgdboc_put_char, -+ .pre_exception = kgdboc_pre_exp_handler, -+ .post_exception = kgdboc_post_exp_handler, -+ .is_console = 1 -+}; -+ - #ifdef CONFIG_KGDB_SERIAL_CONSOLE - /* This is only available if kgdboc is a built in for early debugging */ - static int __init kgdboc_early_init(char *opt) -diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c -index b73889c..9f74f0a 100644 ---- a/drivers/tty/serial/msm_serial.c -+++ b/drivers/tty/serial/msm_serial.c -@@ -1012,7 +1012,7 @@ static struct uart_driver msm_uart_driver = { - .cons = MSM_CONSOLE, - }; - --static atomic_t msm_uart_next_id = ATOMIC_INIT(0); -+static atomic_unchecked_t msm_uart_next_id = ATOMIC_INIT(0); - - static const struct of_device_id msm_uartdm_table[] = { - { .compatible = "qcom,msm-uartdm-v1.1", .data = (void *)UARTDM_1P1 }, -@@ -1036,7 +1036,7 @@ static int msm_serial_probe(struct platform_device *pdev) - line = pdev->id; - - if (line < 0) -- line = atomic_inc_return(&msm_uart_next_id) - 1; -+ line = atomic_inc_return_unchecked(&msm_uart_next_id) - 1; - - if (unlikely(line < 0 || line >= UART_NR)) - return -ENXIO; -diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c -index a0ae942..befa48d 100644 ---- a/drivers/tty/serial/samsung.c -+++ b/drivers/tty/serial/samsung.c -@@ -987,11 +987,16 @@ static void s3c24xx_serial_shutdown(struct uart_port *port) - ourport->tx_in_progress = 0; - } - -+static int s3c64xx_serial_startup(struct uart_port *port); - static int s3c24xx_serial_startup(struct uart_port *port) - { - struct s3c24xx_uart_port *ourport = to_ourport(port); - int ret; - -+ /* Startup sequence is different for s3c64xx and higher SoC's */ -+ if (s3c24xx_serial_has_interrupt_mask(port)) -+ return s3c64xx_serial_startup(port); -+ - dbg("s3c24xx_serial_startup: port=%p (%08llx,%p)\n", - port, (unsigned long long)port->mapbase, port->membase); - -@@ -1698,10 +1703,6 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport, - /* setup info for port */ - port->dev = &platdev->dev; - -- /* Startup sequence is different for s3c64xx and higher SoC's */ -- if (s3c24xx_serial_has_interrupt_mask(port)) -- s3c24xx_serial_ops.startup = s3c64xx_serial_startup; -- - port->uartclk = 1; - - if (cfg->uart_flags & UPF_CONS_FLOW) { -diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c -index ec54044..fc93d3f 100644 ---- a/drivers/tty/serial/serial_core.c -+++ b/drivers/tty/serial/serial_core.c -@@ -1376,7 +1376,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) - state = drv->state + tty->index; - port = &state->port; - spin_lock_irq(&port->lock); -- --port->count; -+ atomic_dec(&port->count); - spin_unlock_irq(&port->lock); - return; - } -@@ -1386,7 +1386,7 @@ static void uart_close(struct tty_struct *tty, struct file *filp) - - pr_debug("uart_close(%d) called\n", uport ? uport->line : -1); - -- if (!port->count || tty_port_close_start(port, tty, filp) == 0) -+ if (!atomic_read(&port->count) || tty_port_close_start(port, tty, filp) == 0) - return; - - /* -@@ -1511,7 +1511,7 @@ static void uart_hangup(struct tty_struct *tty) - uart_flush_buffer(tty); - uart_shutdown(tty, state); - spin_lock_irqsave(&port->lock, flags); -- port->count = 0; -+ atomic_set(&port->count, 0); - clear_bit(ASYNCB_NORMAL_ACTIVE, &port->flags); - spin_unlock_irqrestore(&port->lock, flags); - tty_port_tty_set(port, NULL); -@@ -1598,7 +1598,7 @@ static int uart_open(struct tty_struct *tty, struct file *filp) - pr_debug("uart_open(%d) called\n", line); - - spin_lock_irq(&port->lock); -- ++port->count; -+ atomic_inc(&port->count); - spin_unlock_irq(&port->lock); - - /* -diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c -index b1c6bd3..5f038e2 100644 ---- a/drivers/tty/serial/uartlite.c -+++ b/drivers/tty/serial/uartlite.c -@@ -341,13 +341,13 @@ static int ulite_request_port(struct uart_port *port) - return -EBUSY; - } - -- port->private_data = &uartlite_be; -+ port->private_data = (void *)&uartlite_be; - ret = uart_in32(ULITE_CONTROL, port); - uart_out32(ULITE_CONTROL_RST_TX, ULITE_CONTROL, port); - ret = uart_in32(ULITE_STATUS, port); - /* Endianess detection */ - if ((ret & ULITE_STATUS_TXEMPTY) != ULITE_STATUS_TXEMPTY) -- port->private_data = &uartlite_le; -+ port->private_data = (void *)&uartlite_le; - - return 0; - } -diff --git a/drivers/tty/synclink.c b/drivers/tty/synclink.c -index b799170..87dafd5 100644 ---- a/drivers/tty/synclink.c -+++ b/drivers/tty/synclink.c -@@ -3090,7 +3090,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgsl_close(%s) entry, count=%d\n", -- __FILE__,__LINE__, info->device_name, info->port.count); -+ __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count)); - - if (tty_port_close_start(&info->port, tty, filp) == 0) - goto cleanup; -@@ -3108,7 +3108,7 @@ static void mgsl_close(struct tty_struct *tty, struct file * filp) - cleanup: - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgsl_close(%s) exit, count=%d\n", __FILE__,__LINE__, -- tty->driver->name, info->port.count); -+ tty->driver->name, atomic_read(&info->port.count)); - - } /* end of mgsl_close() */ - -@@ -3207,8 +3207,8 @@ static void mgsl_hangup(struct tty_struct *tty) - - mgsl_flush_buffer(tty); - shutdown(info); -- -- info->port.count = 0; -+ -+ atomic_set(&info->port.count, 0); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - info->port.tty = NULL; - -@@ -3296,10 +3296,10 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):block_til_ready before block on %s count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - spin_lock_irqsave(&info->irq_spinlock, flags); -- port->count--; -+ atomic_dec(&port->count); - spin_unlock_irqrestore(&info->irq_spinlock, flags); - port->blocked_open++; - -@@ -3327,7 +3327,7 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):block_til_ready blocking on %s count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - tty_unlock(tty); - schedule(); -@@ -3339,12 +3339,12 @@ static int block_til_ready(struct tty_struct *tty, struct file * filp, - - /* FIXME: Racy on hangup during close wait */ - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):block_til_ready after blocking on %s count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - if (!retval) - port->flags |= ASYNC_NORMAL_ACTIVE; -@@ -3396,7 +3396,7 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):mgsl_open(%s), old ref count = %d\n", -- __FILE__,__LINE__,tty->driver->name, info->port.count); -+ __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count)); - - /* If port is closing, signal caller to try again */ - if (info->port.flags & ASYNC_CLOSING){ -@@ -3415,10 +3415,10 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp) - spin_unlock_irqrestore(&info->netlock, flags); - goto cleanup; - } -- info->port.count++; -+ atomic_inc(&info->port.count); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (info->port.count == 1) { -+ if (atomic_read(&info->port.count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info); - if (retval < 0) -@@ -3442,8 +3442,8 @@ cleanup: - if (retval) { - if (tty->count == 1) - info->port.tty = NULL; /* tty layer will release tty struct */ -- if(info->port.count) -- info->port.count--; -+ if (atomic_read(&info->port.count)) -+ atomic_dec(&info->port.count); - } - - return retval; -@@ -7661,7 +7661,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - switch (encoding) -@@ -7756,7 +7756,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -7842,7 +7842,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -diff --git a/drivers/tty/synclink_gt.c b/drivers/tty/synclink_gt.c -index 0e8c39b..e0cb171 100644 ---- a/drivers/tty/synclink_gt.c -+++ b/drivers/tty/synclink_gt.c -@@ -670,7 +670,7 @@ static int open(struct tty_struct *tty, struct file *filp) - tty->driver_data = info; - info->port.tty = tty; - -- DBGINFO(("%s open, old ref count = %d\n", info->device_name, info->port.count)); -+ DBGINFO(("%s open, old ref count = %d\n", info->device_name, atomic_read(&info->port.count))); - - /* If port is closing, signal caller to try again */ - if (info->port.flags & ASYNC_CLOSING){ -@@ -691,10 +691,10 @@ static int open(struct tty_struct *tty, struct file *filp) - mutex_unlock(&info->port.mutex); - goto cleanup; - } -- info->port.count++; -+ atomic_inc(&info->port.count); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (info->port.count == 1) { -+ if (atomic_read(&info->port.count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info); - if (retval < 0) { -@@ -715,8 +715,8 @@ cleanup: - if (retval) { - if (tty->count == 1) - info->port.tty = NULL; /* tty layer will release tty struct */ -- if(info->port.count) -- info->port.count--; -+ if(atomic_read(&info->port.count)) -+ atomic_dec(&info->port.count); - } - - DBGINFO(("%s open rc=%d\n", info->device_name, retval)); -@@ -729,7 +729,7 @@ static void close(struct tty_struct *tty, struct file *filp) - - if (sanity_check(info, tty->name, "close")) - return; -- DBGINFO(("%s close entry, count=%d\n", info->device_name, info->port.count)); -+ DBGINFO(("%s close entry, count=%d\n", info->device_name, atomic_read(&info->port.count))); - - if (tty_port_close_start(&info->port, tty, filp) == 0) - goto cleanup; -@@ -746,7 +746,7 @@ static void close(struct tty_struct *tty, struct file *filp) - tty_port_close_end(&info->port, tty); - info->port.tty = NULL; - cleanup: -- DBGINFO(("%s close exit, count=%d\n", tty->driver->name, info->port.count)); -+ DBGINFO(("%s close exit, count=%d\n", tty->driver->name, atomic_read(&info->port.count))); - } - - static void hangup(struct tty_struct *tty) -@@ -764,7 +764,7 @@ static void hangup(struct tty_struct *tty) - shutdown(info); - - spin_lock_irqsave(&info->port.lock, flags); -- info->port.count = 0; -+ atomic_set(&info->port.count, 0); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - info->port.tty = NULL; - spin_unlock_irqrestore(&info->port.lock, flags); -@@ -1449,7 +1449,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - DBGINFO(("%s hdlcdev_attach\n", info->device_name)); -@@ -1544,7 +1544,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - DBGINFO(("%s hdlc_open busy\n", dev->name)); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -1629,7 +1629,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - DBGINFO(("%s hdlcdev_ioctl\n", dev->name)); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -@@ -2413,7 +2413,7 @@ static irqreturn_t slgt_interrupt(int dummy, void *dev_id) - if (port == NULL) - continue; - spin_lock(&port->lock); -- if ((port->port.count || port->netcount) && -+ if ((atomic_read(&port->port.count) || port->netcount) && - port->pending_bh && !port->bh_running && - !port->bh_requested) { - DBGISR(("%s bh queued\n", port->device_name)); -@@ -3299,7 +3299,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - add_wait_queue(&port->open_wait, &wait); - - spin_lock_irqsave(&info->lock, flags); -- port->count--; -+ atomic_dec(&port->count); - spin_unlock_irqrestore(&info->lock, flags); - port->blocked_open++; - -@@ -3335,7 +3335,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - remove_wait_queue(&port->open_wait, &wait); - - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - - if (!retval) -diff --git a/drivers/tty/synclinkmp.c b/drivers/tty/synclinkmp.c -index c3f9091..abe4601 100644 ---- a/drivers/tty/synclinkmp.c -+++ b/drivers/tty/synclinkmp.c -@@ -750,7 +750,7 @@ static int open(struct tty_struct *tty, struct file *filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s open(), old ref count = %d\n", -- __FILE__,__LINE__,tty->driver->name, info->port.count); -+ __FILE__,__LINE__,tty->driver->name, atomic_read(&info->port.count)); - - /* If port is closing, signal caller to try again */ - if (info->port.flags & ASYNC_CLOSING){ -@@ -769,10 +769,10 @@ static int open(struct tty_struct *tty, struct file *filp) - spin_unlock_irqrestore(&info->netlock, flags); - goto cleanup; - } -- info->port.count++; -+ atomic_inc(&info->port.count); - spin_unlock_irqrestore(&info->netlock, flags); - -- if (info->port.count == 1) { -+ if (atomic_read(&info->port.count) == 1) { - /* 1st open on this device, init hardware */ - retval = startup(info); - if (retval < 0) -@@ -796,8 +796,8 @@ cleanup: - if (retval) { - if (tty->count == 1) - info->port.tty = NULL; /* tty layer will release tty struct */ -- if(info->port.count) -- info->port.count--; -+ if(atomic_read(&info->port.count)) -+ atomic_dec(&info->port.count); - } - - return retval; -@@ -815,7 +815,7 @@ static void close(struct tty_struct *tty, struct file *filp) - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s close() entry, count=%d\n", -- __FILE__,__LINE__, info->device_name, info->port.count); -+ __FILE__,__LINE__, info->device_name, atomic_read(&info->port.count)); - - if (tty_port_close_start(&info->port, tty, filp) == 0) - goto cleanup; -@@ -834,7 +834,7 @@ static void close(struct tty_struct *tty, struct file *filp) - cleanup: - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s close() exit, count=%d\n", __FILE__,__LINE__, -- tty->driver->name, info->port.count); -+ tty->driver->name, atomic_read(&info->port.count)); - } - - /* Called by tty_hangup() when a hangup is signaled. -@@ -857,7 +857,7 @@ static void hangup(struct tty_struct *tty) - shutdown(info); - - spin_lock_irqsave(&info->port.lock, flags); -- info->port.count = 0; -+ atomic_set(&info->port.count, 0); - info->port.flags &= ~ASYNC_NORMAL_ACTIVE; - info->port.tty = NULL; - spin_unlock_irqrestore(&info->port.lock, flags); -@@ -1565,7 +1565,7 @@ static int hdlcdev_attach(struct net_device *dev, unsigned short encoding, - unsigned short new_crctype; - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - switch (encoding) -@@ -1660,7 +1660,7 @@ static int hdlcdev_open(struct net_device *dev) - - /* arbitrate between network and tty opens */ - spin_lock_irqsave(&info->netlock, flags); -- if (info->port.count != 0 || info->netcount != 0) { -+ if (atomic_read(&info->port.count) != 0 || info->netcount != 0) { - printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name); - spin_unlock_irqrestore(&info->netlock, flags); - return -EBUSY; -@@ -1746,7 +1746,7 @@ static int hdlcdev_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) - printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name); - - /* return error if TTY interface open */ -- if (info->port.count) -+ if (atomic_read(&info->port.count)) - return -EBUSY; - - if (cmd != SIOCWANDEV) -@@ -2621,7 +2621,7 @@ static irqreturn_t synclinkmp_interrupt(int dummy, void *dev_id) - * do not request bottom half processing if the - * device is not open in a normal mode. - */ -- if ( port && (port->port.count || port->netcount) && -+ if ( port && (atomic_read(&port->port.count) || port->netcount) && - port->pending_bh && !port->bh_running && - !port->bh_requested ) { - if ( debug_level >= DEBUG_LEVEL_ISR ) -@@ -3318,10 +3318,10 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s block_til_ready() before block, count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - spin_lock_irqsave(&info->lock, flags); -- port->count--; -+ atomic_dec(&port->count); - spin_unlock_irqrestore(&info->lock, flags); - port->blocked_open++; - -@@ -3349,7 +3349,7 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s block_til_ready() count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - tty_unlock(tty); - schedule(); -@@ -3359,12 +3359,12 @@ static int block_til_ready(struct tty_struct *tty, struct file *filp, - set_current_state(TASK_RUNNING); - remove_wait_queue(&port->open_wait, &wait); - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - - if (debug_level >= DEBUG_LEVEL_INFO) - printk("%s(%d):%s block_til_ready() after, count=%d\n", -- __FILE__,__LINE__, tty->driver->name, port->count ); -+ __FILE__,__LINE__, tty->driver->name, atomic_read(&port->count)); - - if (!retval) - port->flags |= ASYNC_NORMAL_ACTIVE; -diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c -index 9ffdfcf..fd81170 100644 ---- a/drivers/tty/sysrq.c -+++ b/drivers/tty/sysrq.c -@@ -1069,7 +1069,7 @@ EXPORT_SYMBOL(unregister_sysrq_key); - static ssize_t write_sysrq_trigger(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) - { -- if (count) { -+ if (count && capable(CAP_SYS_ADMIN)) { - char c; - - if (get_user(c, buf)) -diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c -index e569546..fbce20c 100644 ---- a/drivers/tty/tty_io.c -+++ b/drivers/tty/tty_io.c -@@ -3509,7 +3509,7 @@ EXPORT_SYMBOL(tty_devnum); - - void tty_default_fops(struct file_operations *fops) - { -- *fops = tty_fops; -+ memcpy((void *)fops, &tty_fops, sizeof(tty_fops)); - } - - /* -diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c -index 3737f55..7cef448 100644 ---- a/drivers/tty/tty_ldisc.c -+++ b/drivers/tty/tty_ldisc.c -@@ -71,7 +71,7 @@ int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc) - raw_spin_lock_irqsave(&tty_ldiscs_lock, flags); - tty_ldiscs[disc] = new_ldisc; - new_ldisc->num = disc; -- new_ldisc->refcount = 0; -+ atomic_set(&new_ldisc->refcount, 0); - raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags); - - return ret; -@@ -99,7 +99,7 @@ int tty_unregister_ldisc(int disc) - return -EINVAL; - - raw_spin_lock_irqsave(&tty_ldiscs_lock, flags); -- if (tty_ldiscs[disc]->refcount) -+ if (atomic_read(&tty_ldiscs[disc]->refcount)) - ret = -EBUSY; - else - tty_ldiscs[disc] = NULL; -@@ -120,7 +120,7 @@ static struct tty_ldisc_ops *get_ldops(int disc) - if (ldops) { - ret = ERR_PTR(-EAGAIN); - if (try_module_get(ldops->owner)) { -- ldops->refcount++; -+ atomic_inc(&ldops->refcount); - ret = ldops; - } - } -@@ -133,7 +133,7 @@ static void put_ldops(struct tty_ldisc_ops *ldops) - unsigned long flags; - - raw_spin_lock_irqsave(&tty_ldiscs_lock, flags); -- ldops->refcount--; -+ atomic_dec(&ldops->refcount); - module_put(ldops->owner); - raw_spin_unlock_irqrestore(&tty_ldiscs_lock, flags); - } -diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c -index 40b31835..94d92ae 100644 ---- a/drivers/tty/tty_port.c -+++ b/drivers/tty/tty_port.c -@@ -236,7 +236,7 @@ void tty_port_hangup(struct tty_port *port) - unsigned long flags; - - spin_lock_irqsave(&port->lock, flags); -- port->count = 0; -+ atomic_set(&port->count, 0); - port->flags &= ~ASYNC_NORMAL_ACTIVE; - tty = port->tty; - if (tty) -@@ -398,7 +398,7 @@ int tty_port_block_til_ready(struct tty_port *port, - - /* The port lock protects the port counts */ - spin_lock_irqsave(&port->lock, flags); -- port->count--; -+ atomic_dec(&port->count); - port->blocked_open++; - spin_unlock_irqrestore(&port->lock, flags); - -@@ -440,7 +440,7 @@ int tty_port_block_til_ready(struct tty_port *port, - we must not mess that up further */ - spin_lock_irqsave(&port->lock, flags); - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - if (retval == 0) - port->flags |= ASYNC_NORMAL_ACTIVE; -@@ -476,19 +476,19 @@ int tty_port_close_start(struct tty_port *port, - return 0; - - spin_lock_irqsave(&port->lock, flags); -- if (tty->count == 1 && port->count != 1) { -+ if (tty->count == 1 && atomic_read(&port->count) != 1) { - printk(KERN_WARNING - "tty_port_close_start: tty->count = 1 port count = %d.\n", -- port->count); -- port->count = 1; -+ atomic_read(&port->count)); -+ atomic_set(&port->count, 1); - } -- if (--port->count < 0) { -+ if (atomic_dec_return(&port->count) < 0) { - printk(KERN_WARNING "tty_port_close_start: count = %d\n", -- port->count); -- port->count = 0; -+ atomic_read(&port->count)); -+ atomic_set(&port->count, 0); - } - -- if (port->count) { -+ if (atomic_read(&port->count)) { - spin_unlock_irqrestore(&port->lock, flags); - return 0; - } -@@ -590,7 +590,7 @@ int tty_port_open(struct tty_port *port, struct tty_struct *tty, - struct file *filp) - { - spin_lock_irq(&port->lock); -- ++port->count; -+ atomic_inc(&port->count); - spin_unlock_irq(&port->lock); - tty_port_tty_set(port, tty); - -diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c -index 8a89f6e..50b32af 100644 ---- a/drivers/tty/vt/keyboard.c -+++ b/drivers/tty/vt/keyboard.c -@@ -641,6 +641,16 @@ static void k_spec(struct vc_data *vc, unsigned char value, char up_flag) - kbd->kbdmode == VC_OFF) && - value != KVAL(K_SAK)) - return; /* SAK is allowed even in raw mode */ -+ -+#if defined(CONFIG_GRKERNSEC_PROC) || defined(CONFIG_GRKERNSEC_PROC_MEMMAP) -+ { -+ void *func = fn_handler[value]; -+ if (func == fn_show_state || func == fn_show_ptregs || -+ func == fn_show_mem) -+ return; -+ } -+#endif -+ - fn_handler[value](vc); - } - -@@ -1776,9 +1786,6 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, - if (copy_from_user(&tmp, user_kbe, sizeof(struct kbentry))) - return -EFAULT; - -- if (!capable(CAP_SYS_TTY_CONFIG)) -- perm = 0; -- - switch (cmd) { - case KDGKBENT: - /* Ensure another thread doesn't free it under us */ -@@ -1793,6 +1800,9 @@ int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, - spin_unlock_irqrestore(&kbd_event_lock, flags); - return put_user(val, &user_kbe->kb_value); - case KDSKBENT: -+ if (!capable(CAP_SYS_TTY_CONFIG)) -+ perm = 0; -+ - if (!perm) - return -EPERM; - if (!i && v == K_NOSUCHMAP) { -@@ -1883,9 +1893,6 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) - int i, j, k; - int ret; - -- if (!capable(CAP_SYS_TTY_CONFIG)) -- perm = 0; -- - kbs = kmalloc(sizeof(*kbs), GFP_KERNEL); - if (!kbs) { - ret = -ENOMEM; -@@ -1919,6 +1926,9 @@ int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm) - kfree(kbs); - return ((p && *p) ? -EOVERFLOW : 0); - case KDSKBSENT: -+ if (!capable(CAP_SYS_TTY_CONFIG)) -+ perm = 0; -+ - if (!perm) { - ret = -EPERM; - goto reterr; -diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c -index 65bf067..b3b2e13 100644 ---- a/drivers/uio/uio.c -+++ b/drivers/uio/uio.c -@@ -25,6 +25,7 @@ - #include <linux/kobject.h> - #include <linux/cdev.h> - #include <linux/uio_driver.h> -+#include <asm/local.h> - - #define UIO_MAX_DEVICES (1U << MINORBITS) - -@@ -231,7 +232,7 @@ static ssize_t event_show(struct device *dev, - struct device_attribute *attr, char *buf) - { - struct uio_device *idev = dev_get_drvdata(dev); -- return sprintf(buf, "%u\n", (unsigned int)atomic_read(&idev->event)); -+ return sprintf(buf, "%u\n", (unsigned int)atomic_read_unchecked(&idev->event)); - } - static DEVICE_ATTR_RO(event); - -@@ -393,7 +394,7 @@ void uio_event_notify(struct uio_info *info) - { - struct uio_device *idev = info->uio_dev; - -- atomic_inc(&idev->event); -+ atomic_inc_unchecked(&idev->event); - wake_up_interruptible(&idev->wait); - kill_fasync(&idev->async_queue, SIGIO, POLL_IN); - } -@@ -446,7 +447,7 @@ static int uio_open(struct inode *inode, struct file *filep) - } - - listener->dev = idev; -- listener->event_count = atomic_read(&idev->event); -+ listener->event_count = atomic_read_unchecked(&idev->event); - filep->private_data = listener; - - if (idev->info->open) { -@@ -497,7 +498,7 @@ static unsigned int uio_poll(struct file *filep, poll_table *wait) - return -EIO; - - poll_wait(filep, &idev->wait, wait); -- if (listener->event_count != atomic_read(&idev->event)) -+ if (listener->event_count != atomic_read_unchecked(&idev->event)) - return POLLIN | POLLRDNORM; - return 0; - } -@@ -522,7 +523,7 @@ static ssize_t uio_read(struct file *filep, char __user *buf, - do { - set_current_state(TASK_INTERRUPTIBLE); - -- event_count = atomic_read(&idev->event); -+ event_count = atomic_read_unchecked(&idev->event); - if (event_count != listener->event_count) { - if (copy_to_user(buf, &event_count, count)) - retval = -EFAULT; -@@ -579,9 +580,13 @@ static ssize_t uio_write(struct file *filep, const char __user *buf, - static int uio_find_mem_index(struct vm_area_struct *vma) - { - struct uio_device *idev = vma->vm_private_data; -+ unsigned long size; - - if (vma->vm_pgoff < MAX_UIO_MAPS) { -- if (idev->info->mem[vma->vm_pgoff].size == 0) -+ size = idev->info->mem[vma->vm_pgoff].size; -+ if (size == 0) -+ return -1; -+ if (vma->vm_end - vma->vm_start > size) - return -1; - return (int)vma->vm_pgoff; - } -@@ -813,7 +818,7 @@ int __uio_register_device(struct module *owner, - idev->owner = owner; - idev->info = info; - init_waitqueue_head(&idev->wait); -- atomic_set(&idev->event, 0); -+ atomic_set_unchecked(&idev->event, 0); - - ret = uio_get_minor(idev); - if (ret) -diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c -index 813d4d3..a71934f 100644 ---- a/drivers/usb/atm/cxacru.c -+++ b/drivers/usb/atm/cxacru.c -@@ -472,7 +472,7 @@ static ssize_t cxacru_sysfs_store_adsl_config(struct device *dev, - ret = sscanf(buf + pos, "%x=%x%n", &index, &value, &tmp); - if (ret < 2) - return -EINVAL; -- if (index < 0 || index > 0x7f) -+ if (index > 0x7f) - return -EINVAL; - pos += tmp; - -diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c -index dada014..1d0d517 100644 ---- a/drivers/usb/atm/usbatm.c -+++ b/drivers/usb/atm/usbatm.c -@@ -331,7 +331,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (printk_ratelimit()) - atm_warn(instance, "%s: OAM not supported (vpi %d, vci %d)!\n", - __func__, vpi, vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - -@@ -358,7 +358,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (length > ATM_MAX_AAL5_PDU) { - atm_rldbg(instance, "%s: bogus length %u (vcc: 0x%p)!\n", - __func__, length, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - -@@ -367,14 +367,14 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (sarb->len < pdu_length) { - atm_rldbg(instance, "%s: bogus pdu_length %u (sarb->len: %u, vcc: 0x%p)!\n", - __func__, pdu_length, sarb->len, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - - if (crc32_be(~0, skb_tail_pointer(sarb) - pdu_length, pdu_length) != 0xc704dd7b) { - atm_rldbg(instance, "%s: packet failed crc check (vcc: 0x%p)!\n", - __func__, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - -@@ -386,7 +386,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - if (printk_ratelimit()) - atm_err(instance, "%s: no memory for skb (length: %u)!\n", - __func__, length); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto out; - } - -@@ -414,7 +414,7 @@ static void usbatm_extract_one_cell(struct usbatm_data *instance, unsigned char - - vcc->push(vcc, skb); - -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - out: - skb_trim(sarb, 0); - } -@@ -612,7 +612,7 @@ static void usbatm_tx_process(unsigned long data) - struct atm_vcc *vcc = UDSL_SKB(skb)->atm.vcc; - - usbatm_pop(vcc, skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - skb = skb_dequeue(&instance->sndqueue); - } -@@ -756,11 +756,11 @@ static int usbatm_atm_proc_read(struct atm_dev *atm_dev, loff_t *pos, char *page - if (!left--) - return sprintf(page, - "AAL5: tx %d ( %d err ), rx %d ( %d err, %d drop )\n", -- atomic_read(&atm_dev->stats.aal5.tx), -- atomic_read(&atm_dev->stats.aal5.tx_err), -- atomic_read(&atm_dev->stats.aal5.rx), -- atomic_read(&atm_dev->stats.aal5.rx_err), -- atomic_read(&atm_dev->stats.aal5.rx_drop)); -+ atomic_read_unchecked(&atm_dev->stats.aal5.tx), -+ atomic_read_unchecked(&atm_dev->stats.aal5.tx_err), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx_err), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx_drop)); - - if (!left--) { - if (instance->disconnected) -diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c -index 2a3bbdf..91d72cf 100644 ---- a/drivers/usb/core/devices.c -+++ b/drivers/usb/core/devices.c -@@ -126,7 +126,7 @@ static const char format_endpt[] = - * time it gets called. - */ - static struct device_connect_event { -- atomic_t count; -+ atomic_unchecked_t count; - wait_queue_head_t wait; - } device_event = { - .count = ATOMIC_INIT(1), -@@ -164,7 +164,7 @@ static const struct class_info clas_info[] = { - - void usbfs_conn_disc_event(void) - { -- atomic_add(2, &device_event.count); -+ atomic_add_unchecked(2, &device_event.count); - wake_up(&device_event.wait); - } - -@@ -652,7 +652,7 @@ static unsigned int usb_device_poll(struct file *file, - - poll_wait(file, &device_event.wait, wait); - -- event_count = atomic_read(&device_event.count); -+ event_count = atomic_read_unchecked(&device_event.count); - if (file->f_version != event_count) { - file->f_version = event_count; - return POLLIN | POLLRDNORM; -diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c -index 986abde..80e8279 100644 ---- a/drivers/usb/core/devio.c -+++ b/drivers/usb/core/devio.c -@@ -187,7 +187,7 @@ static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes, - struct usb_dev_state *ps = file->private_data; - struct usb_device *dev = ps->dev; - ssize_t ret = 0; -- unsigned len; -+ size_t len; - loff_t pos; - int i; - -@@ -229,22 +229,22 @@ static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes, - for (i = 0; nbytes && i < dev->descriptor.bNumConfigurations; i++) { - struct usb_config_descriptor *config = - (struct usb_config_descriptor *)dev->rawdescriptors[i]; -- unsigned int length = le16_to_cpu(config->wTotalLength); -+ size_t length = le16_to_cpu(config->wTotalLength); - - if (*ppos < pos + length) { - - /* The descriptor may claim to be longer than it - * really is. Here is the actual allocated length. */ -- unsigned alloclen = -+ size_t alloclen = - le16_to_cpu(dev->config[i].desc.wTotalLength); - -- len = length - (*ppos - pos); -+ len = length + pos - *ppos; - if (len > nbytes) - len = nbytes; - - /* Simply don't write (skip over) unallocated parts */ - if (alloclen > (*ppos - pos)) { -- alloclen -= (*ppos - pos); -+ alloclen = alloclen + pos - *ppos; - if (copy_to_user(buf, - dev->rawdescriptors[i] + (*ppos - pos), - min(len, alloclen))) { -diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c -index 1c1385e..18400ff 100644 ---- a/drivers/usb/core/hcd.c -+++ b/drivers/usb/core/hcd.c -@@ -1554,7 +1554,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags) - */ - usb_get_urb(urb); - atomic_inc(&urb->use_count); -- atomic_inc(&urb->dev->urbnum); -+ atomic_inc_unchecked(&urb->dev->urbnum); - usbmon_urb_submit(&hcd->self, urb); - - /* NOTE requirements on root-hub callers (usbfs and the hub -@@ -1581,7 +1581,7 @@ int usb_hcd_submit_urb (struct urb *urb, gfp_t mem_flags) - urb->hcpriv = NULL; - INIT_LIST_HEAD(&urb->urb_list); - atomic_dec(&urb->use_count); -- atomic_dec(&urb->dev->urbnum); -+ atomic_dec_unchecked(&urb->dev->urbnum); - if (atomic_read(&urb->reject)) - wake_up(&usb_kill_urb_queue); - usb_put_urb(urb); -diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c -index 1e9a8c9..b4248b7 100644 ---- a/drivers/usb/core/hub.c -+++ b/drivers/usb/core/hub.c -@@ -26,6 +26,7 @@ - #include <linux/mutex.h> - #include <linux/random.h> - #include <linux/pm_qos.h> -+#include <linux/grsecurity.h> - - #include <asm/uaccess.h> - #include <asm/byteorder.h> -@@ -4649,6 +4650,10 @@ static void hub_port_connect(struct usb_hub *hub, int port1, u16 portstatus, - goto done; - return; - } -+ -+ if (gr_handle_new_usb()) -+ goto done; -+ - if (hub_is_superspeed(hub->hdev)) - unit_load = 150; - else -diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c -index f368d20..0c30ac5 100644 ---- a/drivers/usb/core/message.c -+++ b/drivers/usb/core/message.c -@@ -128,7 +128,7 @@ static int usb_internal_control_msg(struct usb_device *usb_dev, - * Return: If successful, the number of bytes transferred. Otherwise, a negative - * error number. - */ --int usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request, -+int __intentional_overflow(-1) usb_control_msg(struct usb_device *dev, unsigned int pipe, __u8 request, - __u8 requesttype, __u16 value, __u16 index, void *data, - __u16 size, int timeout) - { -@@ -180,7 +180,7 @@ EXPORT_SYMBOL_GPL(usb_control_msg); - * If successful, 0. Otherwise a negative error number. The number of actual - * bytes transferred will be stored in the @actual_length parameter. - */ --int usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe, -+int __intentional_overflow(-1) usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe, - void *data, int len, int *actual_length, int timeout) - { - return usb_bulk_msg(usb_dev, pipe, data, len, actual_length, timeout); -@@ -220,7 +220,7 @@ EXPORT_SYMBOL_GPL(usb_interrupt_msg); - * bytes transferred will be stored in the @actual_length parameter. - * - */ --int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe, -+int __intentional_overflow(-1) usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe, - void *data, int len, int *actual_length, int timeout) - { - struct urb *urb; -diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c -index d269738..7340cd7 100644 ---- a/drivers/usb/core/sysfs.c -+++ b/drivers/usb/core/sysfs.c -@@ -244,7 +244,7 @@ static ssize_t urbnum_show(struct device *dev, struct device_attribute *attr, - struct usb_device *udev; - - udev = to_usb_device(dev); -- return sprintf(buf, "%d\n", atomic_read(&udev->urbnum)); -+ return sprintf(buf, "%d\n", atomic_read_unchecked(&udev->urbnum)); - } - static DEVICE_ATTR_RO(urbnum); - -diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c -index 8d5b2f4..3896940 100644 ---- a/drivers/usb/core/usb.c -+++ b/drivers/usb/core/usb.c -@@ -447,7 +447,7 @@ struct usb_device *usb_alloc_dev(struct usb_device *parent, - set_dev_node(&dev->dev, dev_to_node(bus->controller)); - dev->state = USB_STATE_ATTACHED; - dev->lpm_disable_count = 1; -- atomic_set(&dev->urbnum, 0); -+ atomic_set_unchecked(&dev->urbnum, 0); - - INIT_LIST_HEAD(&dev->ep0.urb_list); - dev->ep0.desc.bLength = USB_DT_ENDPOINT_SIZE; -diff --git a/drivers/usb/early/ehci-dbgp.c b/drivers/usb/early/ehci-dbgp.c -index 8cfc319..4868255 100644 ---- a/drivers/usb/early/ehci-dbgp.c -+++ b/drivers/usb/early/ehci-dbgp.c -@@ -98,7 +98,8 @@ static inline u32 dbgp_len_update(u32 x, u32 len) - - #ifdef CONFIG_KGDB - static struct kgdb_io kgdbdbgp_io_ops; --#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops) -+static struct kgdb_io kgdbdbgp_io_ops_console; -+#define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops || dbg_io_ops == &kgdbdbgp_io_ops_console) - #else - #define dbgp_kgdb_mode (0) - #endif -@@ -1043,6 +1044,13 @@ static struct kgdb_io kgdbdbgp_io_ops = { - .write_char = kgdbdbgp_write_char, - }; - -+static struct kgdb_io kgdbdbgp_io_ops_console = { -+ .name = "kgdbdbgp", -+ .read_char = kgdbdbgp_read_char, -+ .write_char = kgdbdbgp_write_char, -+ .is_console = 1 -+}; -+ - static int kgdbdbgp_wait_time; - - static int __init kgdbdbgp_parse_config(char *str) -@@ -1058,8 +1066,10 @@ static int __init kgdbdbgp_parse_config(char *str) - ptr++; - kgdbdbgp_wait_time = simple_strtoul(ptr, &ptr, 10); - } -- kgdb_register_io_module(&kgdbdbgp_io_ops); -- kgdbdbgp_io_ops.is_console = early_dbgp_console.index != -1; -+ if (early_dbgp_console.index != -1) -+ kgdb_register_io_module(&kgdbdbgp_io_ops_console); -+ else -+ kgdb_register_io_module(&kgdbdbgp_io_ops); - - return 0; - } -diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c -index 0495c94..289e201 100644 ---- a/drivers/usb/gadget/configfs.c -+++ b/drivers/usb/gadget/configfs.c -@@ -571,7 +571,7 @@ static struct config_group *function_make( - if (IS_ERR(fi)) - return ERR_CAST(fi); - -- ret = config_item_set_name(&fi->group.cg_item, name); -+ ret = config_item_set_name(&fi->group.cg_item, "%s", name); - if (ret) { - usb_put_function_instance(fi); - return ERR_PTR(ret); -diff --git a/drivers/usb/gadget/function/f_uac1.c b/drivers/usb/gadget/function/f_uac1.c -index 7856b33..8b7fe09 100644 ---- a/drivers/usb/gadget/function/f_uac1.c -+++ b/drivers/usb/gadget/function/f_uac1.c -@@ -14,6 +14,7 @@ - #include <linux/module.h> - #include <linux/device.h> - #include <linux/atomic.h> -+#include <linux/module.h> - - #include "u_uac1.h" - -diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c -index 7ee05793..2e31e99 100644 ---- a/drivers/usb/gadget/function/u_serial.c -+++ b/drivers/usb/gadget/function/u_serial.c -@@ -732,9 +732,9 @@ static int gs_open(struct tty_struct *tty, struct file *file) - spin_lock_irq(&port->port_lock); - - /* already open? Great. */ -- if (port->port.count) { -+ if (atomic_read(&port->port.count)) { - status = 0; -- port->port.count++; -+ atomic_inc(&port->port.count); - - /* currently opening/closing? wait ... */ - } else if (port->openclose) { -@@ -793,7 +793,7 @@ static int gs_open(struct tty_struct *tty, struct file *file) - tty->driver_data = port; - port->port.tty = tty; - -- port->port.count = 1; -+ atomic_set(&port->port.count, 1); - port->openclose = false; - - /* if connected, start the I/O stream */ -@@ -835,11 +835,11 @@ static void gs_close(struct tty_struct *tty, struct file *file) - - spin_lock_irq(&port->port_lock); - -- if (port->port.count != 1) { -- if (port->port.count == 0) -+ if (atomic_read(&port->port.count) != 1) { -+ if (atomic_read(&port->port.count) == 0) - WARN_ON(1); - else -- --port->port.count; -+ atomic_dec(&port->port.count); - goto exit; - } - -@@ -849,7 +849,7 @@ static void gs_close(struct tty_struct *tty, struct file *file) - * and sleep if necessary - */ - port->openclose = true; -- port->port.count = 0; -+ atomic_set(&port->port.count, 0); - - gser = port->port_usb; - if (gser && gser->disconnect) -@@ -1065,7 +1065,7 @@ static int gs_closed(struct gs_port *port) - int cond; - - spin_lock_irq(&port->port_lock); -- cond = (port->port.count == 0) && !port->openclose; -+ cond = (atomic_read(&port->port.count) == 0) && !port->openclose; - spin_unlock_irq(&port->port_lock); - return cond; - } -@@ -1208,7 +1208,7 @@ int gserial_connect(struct gserial *gser, u8 port_num) - /* if it's already open, start I/O ... and notify the serial - * protocol about open/close status (connect/disconnect). - */ -- if (port->port.count) { -+ if (atomic_read(&port->port.count)) { - pr_debug("gserial_connect: start ttyGS%d\n", port->port_num); - gs_start_io(port); - if (gser->connect) -@@ -1255,7 +1255,7 @@ void gserial_disconnect(struct gserial *gser) - - port->port_usb = NULL; - gser->ioport = NULL; -- if (port->port.count > 0 || port->openclose) { -+ if (atomic_read(&port->port.count) > 0 || port->openclose) { - wake_up_interruptible(&port->drain_wait); - if (port->port.tty) - tty_hangup(port->port.tty); -@@ -1271,7 +1271,7 @@ void gserial_disconnect(struct gserial *gser) - - /* finally, free any unused/unusable I/O buffers */ - spin_lock_irqsave(&port->port_lock, flags); -- if (port->port.count == 0 && !port->openclose) -+ if (atomic_read(&port->port.count) == 0 && !port->openclose) - gs_buf_free(&port->port_write_buf); - gs_free_requests(gser->out, &port->read_pool, NULL); - gs_free_requests(gser->out, &port->read_queue, NULL); -diff --git a/drivers/usb/gadget/function/u_uac1.c b/drivers/usb/gadget/function/u_uac1.c -index c78c841..48fd281 100644 ---- a/drivers/usb/gadget/function/u_uac1.c -+++ b/drivers/usb/gadget/function/u_uac1.c -@@ -17,6 +17,7 @@ - #include <linux/ctype.h> - #include <linux/random.h> - #include <linux/syscalls.h> -+#include <linux/module.h> - - #include "u_uac1.h" - -diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c -index 6920844..480bb7e 100644 ---- a/drivers/usb/host/ehci-hub.c -+++ b/drivers/usb/host/ehci-hub.c -@@ -772,7 +772,7 @@ static struct urb *request_single_step_set_feature_urb( - urb->transfer_flags = URB_DIR_IN; - usb_get_urb(urb); - atomic_inc(&urb->use_count); -- atomic_inc(&urb->dev->urbnum); -+ atomic_inc_unchecked(&urb->dev->urbnum); - urb->setup_dma = dma_map_single( - hcd->self.controller, - urb->setup_packet, -@@ -839,7 +839,7 @@ static int ehset_single_step_set_feature(struct usb_hcd *hcd, int port) - urb->status = -EINPROGRESS; - usb_get_urb(urb); - atomic_inc(&urb->use_count); -- atomic_inc(&urb->dev->urbnum); -+ atomic_inc_unchecked(&urb->dev->urbnum); - retval = submit_single_step_set_feature(hcd, urb, 0); - if (!retval && !wait_for_completion_timeout(&done, - msecs_to_jiffies(2000))) { -diff --git a/drivers/usb/host/hwa-hc.c b/drivers/usb/host/hwa-hc.c -index 1db0626..4948782 100644 ---- a/drivers/usb/host/hwa-hc.c -+++ b/drivers/usb/host/hwa-hc.c -@@ -337,7 +337,10 @@ static int __hwahc_op_bwa_set(struct wusbhc *wusbhc, s8 stream_index, - struct hwahc *hwahc = container_of(wusbhc, struct hwahc, wusbhc); - struct wahc *wa = &hwahc->wa; - struct device *dev = &wa->usb_iface->dev; -- u8 mas_le[UWB_NUM_MAS/8]; -+ u8 *mas_le = kmalloc(UWB_NUM_MAS/8, GFP_KERNEL); -+ -+ if (mas_le == NULL) -+ return -ENOMEM; - - /* Set the stream index */ - result = usb_control_msg(wa->usb_dev, usb_sndctrlpipe(wa->usb_dev, 0), -@@ -356,10 +359,12 @@ static int __hwahc_op_bwa_set(struct wusbhc *wusbhc, s8 stream_index, - WUSB_REQ_SET_WUSB_MAS, - USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE, - 0, wa->usb_iface->cur_altsetting->desc.bInterfaceNumber, -- mas_le, 32, USB_CTRL_SET_TIMEOUT); -+ mas_le, UWB_NUM_MAS/8, USB_CTRL_SET_TIMEOUT); - if (result < 0) - dev_err(dev, "Cannot set WUSB MAS allocation: %d\n", result); - out: -+ kfree(mas_le); -+ - return result; - } - -diff --git a/drivers/usb/misc/appledisplay.c b/drivers/usb/misc/appledisplay.c -index a0a3827..d7ec10b 100644 ---- a/drivers/usb/misc/appledisplay.c -+++ b/drivers/usb/misc/appledisplay.c -@@ -84,7 +84,7 @@ struct appledisplay { - struct mutex sysfslock; /* concurrent read and write */ - }; - --static atomic_t count_displays = ATOMIC_INIT(0); -+static atomic_unchecked_t count_displays = ATOMIC_INIT(0); - static struct workqueue_struct *wq; - - static void appledisplay_complete(struct urb *urb) -@@ -288,7 +288,7 @@ static int appledisplay_probe(struct usb_interface *iface, - - /* Register backlight device */ - snprintf(bl_name, sizeof(bl_name), "appledisplay%d", -- atomic_inc_return(&count_displays) - 1); -+ atomic_inc_return_unchecked(&count_displays) - 1); - memset(&props, 0, sizeof(struct backlight_properties)); - props.type = BACKLIGHT_RAW; - props.max_brightness = 0xff; -diff --git a/drivers/usb/serial/console.c b/drivers/usb/serial/console.c -index 3806e70..55c508b 100644 ---- a/drivers/usb/serial/console.c -+++ b/drivers/usb/serial/console.c -@@ -126,7 +126,7 @@ static int usb_console_setup(struct console *co, char *options) - - info->port = port; - -- ++port->port.count; -+ atomic_inc(&port->port.count); - if (!test_bit(ASYNCB_INITIALIZED, &port->port.flags)) { - if (serial->type->set_termios) { - /* -@@ -175,7 +175,7 @@ static int usb_console_setup(struct console *co, char *options) - } - /* Now that any required fake tty operations are completed restore - * the tty port count */ -- --port->port.count; -+ atomic_dec(&port->port.count); - /* The console is special in terms of closing the device so - * indicate this port is now acting as a system console. */ - port->port.console = 1; -@@ -188,7 +188,7 @@ static int usb_console_setup(struct console *co, char *options) - put_tty: - tty_kref_put(tty); - reset_open_count: -- port->port.count = 0; -+ atomic_set(&port->port.count, 0); - usb_autopm_put_interface(serial->interface); - error_get_interface: - usb_serial_put(serial); -@@ -199,7 +199,7 @@ static int usb_console_setup(struct console *co, char *options) - static void usb_console_write(struct console *co, - const char *buf, unsigned count) - { -- static struct usbcons_info *info = &usbcons_info; -+ struct usbcons_info *info = &usbcons_info; - struct usb_serial_port *port = info->port; - struct usb_serial *serial; - int retval = -ENODEV; -diff --git a/drivers/usb/storage/usb.h b/drivers/usb/storage/usb.h -index 307e339..6aa97cb 100644 ---- a/drivers/usb/storage/usb.h -+++ b/drivers/usb/storage/usb.h -@@ -63,7 +63,7 @@ struct us_unusual_dev { - __u8 useProtocol; - __u8 useTransport; - int (*initFunction)(struct us_data *); --}; -+} __do_const; - - - /* Dynamic bitflag definitions (us->dflags): used in set_bit() etc. */ -diff --git a/drivers/usb/usbip/vhci.h b/drivers/usb/usbip/vhci.h -index a863a98..d272795 100644 ---- a/drivers/usb/usbip/vhci.h -+++ b/drivers/usb/usbip/vhci.h -@@ -83,7 +83,7 @@ struct vhci_hcd { - unsigned resuming:1; - unsigned long re_timeout; - -- atomic_t seqnum; -+ atomic_unchecked_t seqnum; - - /* - * NOTE: -diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c -index e9ef1ec..c3a0b04 100644 ---- a/drivers/usb/usbip/vhci_hcd.c -+++ b/drivers/usb/usbip/vhci_hcd.c -@@ -440,7 +440,7 @@ static void vhci_tx_urb(struct urb *urb) - - spin_lock(&vdev->priv_lock); - -- priv->seqnum = atomic_inc_return(&the_controller->seqnum); -+ priv->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum); - if (priv->seqnum == 0xffff) - dev_info(&urb->dev->dev, "seqnum max\n"); - -@@ -685,7 +685,7 @@ static int vhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) - return -ENOMEM; - } - -- unlink->seqnum = atomic_inc_return(&the_controller->seqnum); -+ unlink->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum); - if (unlink->seqnum == 0xffff) - pr_info("seqnum max\n"); - -@@ -889,7 +889,7 @@ static int vhci_start(struct usb_hcd *hcd) - vdev->rhport = rhport; - } - -- atomic_set(&vhci->seqnum, 0); -+ atomic_set_unchecked(&vhci->seqnum, 0); - spin_lock_init(&vhci->lock); - - hcd->power_budget = 0; /* no limit */ -diff --git a/drivers/usb/usbip/vhci_rx.c b/drivers/usb/usbip/vhci_rx.c -index 00e4a54..d676f85 100644 ---- a/drivers/usb/usbip/vhci_rx.c -+++ b/drivers/usb/usbip/vhci_rx.c -@@ -80,7 +80,7 @@ static void vhci_recv_ret_submit(struct vhci_device *vdev, - if (!urb) { - pr_err("cannot find a urb of seqnum %u\n", pdu->base.seqnum); - pr_info("max seqnum %d\n", -- atomic_read(&the_controller->seqnum)); -+ atomic_read_unchecked(&the_controller->seqnum)); - usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); - return; - } -diff --git a/drivers/usb/wusbcore/wa-hc.h b/drivers/usb/wusbcore/wa-hc.h -index edc7267..9f65ce2 100644 ---- a/drivers/usb/wusbcore/wa-hc.h -+++ b/drivers/usb/wusbcore/wa-hc.h -@@ -240,7 +240,7 @@ struct wahc { - spinlock_t xfer_list_lock; - struct work_struct xfer_enqueue_work; - struct work_struct xfer_error_work; -- atomic_t xfer_id_count; -+ atomic_unchecked_t xfer_id_count; - - kernel_ulong_t quirks; - }; -@@ -305,7 +305,7 @@ static inline void wa_init(struct wahc *wa) - INIT_WORK(&wa->xfer_enqueue_work, wa_urb_enqueue_run); - INIT_WORK(&wa->xfer_error_work, wa_process_errored_transfers_run); - wa->dto_in_use = 0; -- atomic_set(&wa->xfer_id_count, 1); -+ atomic_set_unchecked(&wa->xfer_id_count, 1); - /* init the buf in URBs */ - for (index = 0; index < WA_MAX_BUF_IN_URBS; ++index) - usb_init_urb(&(wa->buf_in_urbs[index])); -diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c -index 69af4fd..da390d7 100644 ---- a/drivers/usb/wusbcore/wa-xfer.c -+++ b/drivers/usb/wusbcore/wa-xfer.c -@@ -314,7 +314,7 @@ static void wa_xfer_completion(struct wa_xfer *xfer) - */ - static void wa_xfer_id_init(struct wa_xfer *xfer) - { -- xfer->id = atomic_add_return(1, &xfer->wa->xfer_id_count); -+ xfer->id = atomic_add_return_unchecked(1, &xfer->wa->xfer_id_count); - } - - /* Return the xfer's ID. */ -diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c -index e1278fe..7fdeac4 100644 ---- a/drivers/vfio/vfio.c -+++ b/drivers/vfio/vfio.c -@@ -517,7 +517,7 @@ static int vfio_group_nb_add_dev(struct vfio_group *group, struct device *dev) - return 0; - - /* TODO Prevent device auto probing */ -- WARN("Device %s added to live group %d!\n", dev_name(dev), -+ WARN(1, "Device %s added to live group %d!\n", dev_name(dev), - iommu_group_id(group->iommu_group)); - - return 0; -diff --git a/drivers/vhost/vringh.c b/drivers/vhost/vringh.c -index 3bb02c6..a01ff38 100644 ---- a/drivers/vhost/vringh.c -+++ b/drivers/vhost/vringh.c -@@ -551,7 +551,7 @@ static inline void __vringh_notify_disable(struct vringh *vrh, - static inline int getu16_user(const struct vringh *vrh, u16 *val, const __virtio16 *p) - { - __virtio16 v = 0; -- int rc = get_user(v, (__force __virtio16 __user *)p); -+ int rc = get_user(v, (__force_user __virtio16 *)p); - *val = vringh16_to_cpu(vrh, v); - return rc; - } -@@ -559,12 +559,12 @@ static inline int getu16_user(const struct vringh *vrh, u16 *val, const __virtio - static inline int putu16_user(const struct vringh *vrh, __virtio16 *p, u16 val) - { - __virtio16 v = cpu_to_vringh16(vrh, val); -- return put_user(v, (__force __virtio16 __user *)p); -+ return put_user(v, (__force_user __virtio16 *)p); - } - - static inline int copydesc_user(void *dst, const void *src, size_t len) - { -- return copy_from_user(dst, (__force void __user *)src, len) ? -+ return copy_from_user(dst, (void __force_user *)src, len) ? - -EFAULT : 0; - } - -@@ -572,19 +572,19 @@ static inline int putused_user(struct vring_used_elem *dst, - const struct vring_used_elem *src, - unsigned int num) - { -- return copy_to_user((__force void __user *)dst, src, -+ return copy_to_user((void __force_user *)dst, src, - sizeof(*dst) * num) ? -EFAULT : 0; - } - - static inline int xfer_from_user(void *src, void *dst, size_t len) - { -- return copy_from_user(dst, (__force void __user *)src, len) ? -+ return copy_from_user(dst, (void __force_user *)src, len) ? - -EFAULT : 0; - } - - static inline int xfer_to_user(void *dst, void *src, size_t len) - { -- return copy_to_user((__force void __user *)dst, src, len) ? -+ return copy_to_user((void __force_user *)dst, src, len) ? - -EFAULT : 0; - } - -@@ -621,9 +621,9 @@ int vringh_init_user(struct vringh *vrh, u64 features, - vrh->last_used_idx = 0; - vrh->vring.num = num; - /* vring expects kernel addresses, but only used via accessors. */ -- vrh->vring.desc = (__force struct vring_desc *)desc; -- vrh->vring.avail = (__force struct vring_avail *)avail; -- vrh->vring.used = (__force struct vring_used *)used; -+ vrh->vring.desc = (__force_kernel struct vring_desc *)desc; -+ vrh->vring.avail = (__force_kernel struct vring_avail *)avail; -+ vrh->vring.used = (__force_kernel struct vring_used *)used; - return 0; - } - EXPORT_SYMBOL(vringh_init_user); -@@ -826,7 +826,7 @@ static inline int getu16_kern(const struct vringh *vrh, - - static inline int putu16_kern(const struct vringh *vrh, __virtio16 *p, u16 val) - { -- ACCESS_ONCE(*p) = cpu_to_vringh16(vrh, val); -+ ACCESS_ONCE_RW(*p) = cpu_to_vringh16(vrh, val); - return 0; - } - -diff --git a/drivers/video/backlight/kb3886_bl.c b/drivers/video/backlight/kb3886_bl.c -index 84a110a..96312c3 100644 ---- a/drivers/video/backlight/kb3886_bl.c -+++ b/drivers/video/backlight/kb3886_bl.c -@@ -78,7 +78,7 @@ static struct kb3886bl_machinfo *bl_machinfo; - static unsigned long kb3886bl_flags; - #define KB3886BL_SUSPENDED 0x01 - --static struct dmi_system_id kb3886bl_device_table[] __initdata = { -+static const struct dmi_system_id kb3886bl_device_table[] __initconst = { - { - .ident = "Sahara Touch-iT", - .matches = { -diff --git a/drivers/video/fbdev/arcfb.c b/drivers/video/fbdev/arcfb.c -index 1b0b233..6f34c2c 100644 ---- a/drivers/video/fbdev/arcfb.c -+++ b/drivers/video/fbdev/arcfb.c -@@ -458,7 +458,7 @@ static ssize_t arcfb_write(struct fb_info *info, const char __user *buf, - return -ENOSPC; - - err = 0; -- if ((count + p) > fbmemlength) { -+ if (count > (fbmemlength - p)) { - count = fbmemlength - p; - err = -ENOSPC; - } -diff --git a/drivers/video/fbdev/aty/aty128fb.c b/drivers/video/fbdev/aty/aty128fb.c -index 0156954..c07d4e0 100644 ---- a/drivers/video/fbdev/aty/aty128fb.c -+++ b/drivers/video/fbdev/aty/aty128fb.c -@@ -149,7 +149,7 @@ enum { - }; - - /* Must match above enum */ --static char * const r128_family[] = { -+static const char * const r128_family[] = { - "AGP", - "PCI", - "PRO AGP", -diff --git a/drivers/video/fbdev/aty/atyfb_base.c b/drivers/video/fbdev/aty/atyfb_base.c -index 8789e48..698fe4c 100644 ---- a/drivers/video/fbdev/aty/atyfb_base.c -+++ b/drivers/video/fbdev/aty/atyfb_base.c -@@ -1326,10 +1326,14 @@ static int atyfb_set_par(struct fb_info *info) - par->accel_flags = var->accel_flags; /* hack */ - - if (var->accel_flags) { -- info->fbops->fb_sync = atyfb_sync; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_sync = atyfb_sync; -+ pax_close_kernel(); - info->flags &= ~FBINFO_HWACCEL_DISABLED; - } else { -- info->fbops->fb_sync = NULL; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_sync = NULL; -+ pax_close_kernel(); - info->flags |= FBINFO_HWACCEL_DISABLED; - } - -diff --git a/drivers/video/fbdev/aty/mach64_cursor.c b/drivers/video/fbdev/aty/mach64_cursor.c -index 2fa0317..4983f2a 100644 ---- a/drivers/video/fbdev/aty/mach64_cursor.c -+++ b/drivers/video/fbdev/aty/mach64_cursor.c -@@ -8,6 +8,7 @@ - #include "../core/fb_draw.h" - - #include <asm/io.h> -+#include <asm/pgtable.h> - - #ifdef __sparc__ - #include <asm/fbio.h> -@@ -218,7 +219,9 @@ int aty_init_cursor(struct fb_info *info) - info->sprite.buf_align = 16; /* and 64 lines tall. */ - info->sprite.flags = FB_PIXMAP_IO; - -- info->fbops->fb_cursor = atyfb_cursor; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_cursor = atyfb_cursor; -+ pax_close_kernel(); - - return 0; - } -diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c -index d6cab1f..112f680 100644 ---- a/drivers/video/fbdev/core/fb_defio.c -+++ b/drivers/video/fbdev/core/fb_defio.c -@@ -207,7 +207,9 @@ void fb_deferred_io_init(struct fb_info *info) - - BUG_ON(!fbdefio); - mutex_init(&fbdefio->lock); -- info->fbops->fb_mmap = fb_deferred_io_mmap; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_mmap = fb_deferred_io_mmap; -+ pax_close_kernel(); - INIT_DELAYED_WORK(&info->deferred_work, fb_deferred_io_work); - INIT_LIST_HEAD(&fbdefio->pagelist); - if (fbdefio->delay == 0) /* set a default of 1 s */ -@@ -238,7 +240,7 @@ void fb_deferred_io_cleanup(struct fb_info *info) - page->mapping = NULL; - } - -- info->fbops->fb_mmap = NULL; -+ *(void **)&info->fbops->fb_mmap = NULL; - mutex_destroy(&fbdefio->lock); - } - EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup); -diff --git a/drivers/video/fbdev/core/fbmem.c b/drivers/video/fbdev/core/fbmem.c -index 0705d88..d9429bf 100644 ---- a/drivers/video/fbdev/core/fbmem.c -+++ b/drivers/video/fbdev/core/fbmem.c -@@ -1301,7 +1301,7 @@ static int do_fscreeninfo_to_user(struct fb_fix_screeninfo *fix, - __u32 data; - int err; - -- err = copy_to_user(&fix32->id, &fix->id, sizeof(fix32->id)); -+ err = copy_to_user(fix32->id, &fix->id, sizeof(fix32->id)); - - data = (__u32) (unsigned long) fix->smem_start; - err |= put_user(data, &fix32->smem_start); -diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c -index 807ee22..7814cd6 100644 ---- a/drivers/video/fbdev/hyperv_fb.c -+++ b/drivers/video/fbdev/hyperv_fb.c -@@ -240,7 +240,7 @@ static uint screen_fb_size; - static inline int synthvid_send(struct hv_device *hdev, - struct synthvid_msg *msg) - { -- static atomic64_t request_id = ATOMIC64_INIT(0); -+ static atomic64_unchecked_t request_id = ATOMIC64_INIT(0); - int ret; - - msg->pipe_hdr.type = PIPE_MSG_DATA; -@@ -248,7 +248,7 @@ static inline int synthvid_send(struct hv_device *hdev, - - ret = vmbus_sendpacket(hdev->channel, msg, - msg->vid_hdr.size + sizeof(struct pipe_msg_hdr), -- atomic64_inc_return(&request_id), -+ atomic64_inc_return_unchecked(&request_id), - VM_PKT_DATA_INBAND, 0); - - if (ret) -diff --git a/drivers/video/fbdev/i810/i810_accel.c b/drivers/video/fbdev/i810/i810_accel.c -index 7672d2e..b56437f 100644 ---- a/drivers/video/fbdev/i810/i810_accel.c -+++ b/drivers/video/fbdev/i810/i810_accel.c -@@ -73,6 +73,7 @@ static inline int wait_for_space(struct fb_info *info, u32 space) - } - } - printk("ringbuffer lockup!!!\n"); -+ printk("head:%u tail:%u iring.size:%u space:%u\n", head, tail, par->iring.size, space); - i810_report_error(mmio); - par->dev_flags |= LOCKUP; - info->pixmap.scan_align = 1; -diff --git a/drivers/video/fbdev/matrox/matroxfb_DAC1064.c b/drivers/video/fbdev/matrox/matroxfb_DAC1064.c -index a01147f..5d896f8 100644 ---- a/drivers/video/fbdev/matrox/matroxfb_DAC1064.c -+++ b/drivers/video/fbdev/matrox/matroxfb_DAC1064.c -@@ -1088,14 +1088,20 @@ static void MGAG100_restore(struct matrox_fb_info *minfo) - - #ifdef CONFIG_FB_MATROX_MYSTIQUE - struct matrox_switch matrox_mystique = { -- MGA1064_preinit, MGA1064_reset, MGA1064_init, MGA1064_restore, -+ .preinit = MGA1064_preinit, -+ .reset = MGA1064_reset, -+ .init = MGA1064_init, -+ .restore = MGA1064_restore, - }; - EXPORT_SYMBOL(matrox_mystique); - #endif - - #ifdef CONFIG_FB_MATROX_G - struct matrox_switch matrox_G100 = { -- MGAG100_preinit, MGAG100_reset, MGAG100_init, MGAG100_restore, -+ .preinit = MGAG100_preinit, -+ .reset = MGAG100_reset, -+ .init = MGAG100_init, -+ .restore = MGAG100_restore, - }; - EXPORT_SYMBOL(matrox_G100); - #endif -diff --git a/drivers/video/fbdev/matrox/matroxfb_Ti3026.c b/drivers/video/fbdev/matrox/matroxfb_Ti3026.c -index 195ad7c..09743fc 100644 ---- a/drivers/video/fbdev/matrox/matroxfb_Ti3026.c -+++ b/drivers/video/fbdev/matrox/matroxfb_Ti3026.c -@@ -738,7 +738,10 @@ static int Ti3026_preinit(struct matrox_fb_info *minfo) - } - - struct matrox_switch matrox_millennium = { -- Ti3026_preinit, Ti3026_reset, Ti3026_init, Ti3026_restore -+ .preinit = Ti3026_preinit, -+ .reset = Ti3026_reset, -+ .init = Ti3026_init, -+ .restore = Ti3026_restore - }; - EXPORT_SYMBOL(matrox_millennium); - #endif -diff --git a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c -index fe92eed..106e085 100644 ---- a/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c -+++ b/drivers/video/fbdev/mb862xx/mb862xxfb_accel.c -@@ -312,14 +312,18 @@ void mb862xxfb_init_accel(struct fb_info *info, int xres) - struct mb862xxfb_par *par = info->par; - - if (info->var.bits_per_pixel == 32) { -- info->fbops->fb_fillrect = cfb_fillrect; -- info->fbops->fb_copyarea = cfb_copyarea; -- info->fbops->fb_imageblit = cfb_imageblit; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_fillrect = cfb_fillrect; -+ *(void **)&info->fbops->fb_copyarea = cfb_copyarea; -+ *(void **)&info->fbops->fb_imageblit = cfb_imageblit; -+ pax_close_kernel(); - } else { - outreg(disp, GC_L0EM, 3); -- info->fbops->fb_fillrect = mb86290fb_fillrect; -- info->fbops->fb_copyarea = mb86290fb_copyarea; -- info->fbops->fb_imageblit = mb86290fb_imageblit; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_fillrect = mb86290fb_fillrect; -+ *(void **)&info->fbops->fb_copyarea = mb86290fb_copyarea; -+ *(void **)&info->fbops->fb_imageblit = mb86290fb_imageblit; -+ pax_close_kernel(); - } - outreg(draw, GDC_REG_DRAW_BASE, 0); - outreg(draw, GDC_REG_MODE_MISC, 0x8000); -diff --git a/drivers/video/fbdev/nvidia/nvidia.c b/drivers/video/fbdev/nvidia/nvidia.c -index 4273c6e..b413013 100644 ---- a/drivers/video/fbdev/nvidia/nvidia.c -+++ b/drivers/video/fbdev/nvidia/nvidia.c -@@ -665,19 +665,23 @@ static int nvidiafb_set_par(struct fb_info *info) - info->fix.line_length = (info->var.xres_virtual * - info->var.bits_per_pixel) >> 3; - if (info->var.accel_flags) { -- info->fbops->fb_imageblit = nvidiafb_imageblit; -- info->fbops->fb_fillrect = nvidiafb_fillrect; -- info->fbops->fb_copyarea = nvidiafb_copyarea; -- info->fbops->fb_sync = nvidiafb_sync; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_imageblit = nvidiafb_imageblit; -+ *(void **)&info->fbops->fb_fillrect = nvidiafb_fillrect; -+ *(void **)&info->fbops->fb_copyarea = nvidiafb_copyarea; -+ *(void **)&info->fbops->fb_sync = nvidiafb_sync; -+ pax_close_kernel(); - info->pixmap.scan_align = 4; - info->flags &= ~FBINFO_HWACCEL_DISABLED; - info->flags |= FBINFO_READS_FAST; - NVResetGraphics(info); - } else { -- info->fbops->fb_imageblit = cfb_imageblit; -- info->fbops->fb_fillrect = cfb_fillrect; -- info->fbops->fb_copyarea = cfb_copyarea; -- info->fbops->fb_sync = NULL; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_imageblit = cfb_imageblit; -+ *(void **)&info->fbops->fb_fillrect = cfb_fillrect; -+ *(void **)&info->fbops->fb_copyarea = cfb_copyarea; -+ *(void **)&info->fbops->fb_sync = NULL; -+ pax_close_kernel(); - info->pixmap.scan_align = 1; - info->flags |= FBINFO_HWACCEL_DISABLED; - info->flags &= ~FBINFO_READS_FAST; -@@ -1169,8 +1173,11 @@ static int nvidia_set_fbinfo(struct fb_info *info) - info->pixmap.size = 8 * 1024; - info->pixmap.flags = FB_PIXMAP_SYSTEM; - -- if (!hwcur) -- info->fbops->fb_cursor = NULL; -+ if (!hwcur) { -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_cursor = NULL; -+ pax_close_kernel(); -+ } - - info->var.accel_flags = (!noaccel); - -diff --git a/drivers/video/fbdev/omap2/dss/display.c b/drivers/video/fbdev/omap2/dss/display.c -index ef5b902..47cf7f5 100644 ---- a/drivers/video/fbdev/omap2/dss/display.c -+++ b/drivers/video/fbdev/omap2/dss/display.c -@@ -161,12 +161,14 @@ int omapdss_register_display(struct omap_dss_device *dssdev) - if (dssdev->name == NULL) - dssdev->name = dssdev->alias; - -+ pax_open_kernel(); - if (drv && drv->get_resolution == NULL) -- drv->get_resolution = omapdss_default_get_resolution; -+ *(void **)&drv->get_resolution = omapdss_default_get_resolution; - if (drv && drv->get_recommended_bpp == NULL) -- drv->get_recommended_bpp = omapdss_default_get_recommended_bpp; -+ *(void **)&drv->get_recommended_bpp = omapdss_default_get_recommended_bpp; - if (drv && drv->get_timings == NULL) -- drv->get_timings = omapdss_default_get_timings; -+ *(void **)&drv->get_timings = omapdss_default_get_timings; -+ pax_close_kernel(); - - mutex_lock(&panel_list_mutex); - list_add_tail(&dssdev->panel_list, &panel_list); -diff --git a/drivers/video/fbdev/s1d13xxxfb.c b/drivers/video/fbdev/s1d13xxxfb.c -index 83433cb..71e9b98 100644 ---- a/drivers/video/fbdev/s1d13xxxfb.c -+++ b/drivers/video/fbdev/s1d13xxxfb.c -@@ -881,8 +881,10 @@ static int s1d13xxxfb_probe(struct platform_device *pdev) - - switch(prod_id) { - case S1D13506_PROD_ID: /* activate acceleration */ -- s1d13xxxfb_fbops.fb_fillrect = s1d13xxxfb_bitblt_solidfill; -- s1d13xxxfb_fbops.fb_copyarea = s1d13xxxfb_bitblt_copyarea; -+ pax_open_kernel(); -+ *(void **)&s1d13xxxfb_fbops.fb_fillrect = s1d13xxxfb_bitblt_solidfill; -+ *(void **)&s1d13xxxfb_fbops.fb_copyarea = s1d13xxxfb_bitblt_copyarea; -+ pax_close_kernel(); - info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN | - FBINFO_HWACCEL_FILLRECT | FBINFO_HWACCEL_COPYAREA; - break; -diff --git a/drivers/video/fbdev/sh_mobile_lcdcfb.c b/drivers/video/fbdev/sh_mobile_lcdcfb.c -index 82c0a8c..42499a1 100644 ---- a/drivers/video/fbdev/sh_mobile_lcdcfb.c -+++ b/drivers/video/fbdev/sh_mobile_lcdcfb.c -@@ -439,9 +439,9 @@ static unsigned long lcdc_sys_read_data(void *handle) - } - - static struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = { -- lcdc_sys_write_index, -- lcdc_sys_write_data, -- lcdc_sys_read_data, -+ .write_index = lcdc_sys_write_index, -+ .write_data = lcdc_sys_write_data, -+ .read_data = lcdc_sys_read_data, - }; - - static int sh_mobile_lcdc_sginit(struct fb_info *info, -diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c -index 9279e5f..d5f5276 100644 ---- a/drivers/video/fbdev/smscufx.c -+++ b/drivers/video/fbdev/smscufx.c -@@ -1174,7 +1174,9 @@ static int ufx_ops_release(struct fb_info *info, int user) - fb_deferred_io_cleanup(info); - kfree(info->fbdefio); - info->fbdefio = NULL; -- info->fbops->fb_mmap = ufx_ops_mmap; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_mmap = ufx_ops_mmap; -+ pax_close_kernel(); - } - - pr_debug("released /dev/fb%d user=%d count=%d", -diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c -index ff2b873..626a8d5 100644 ---- a/drivers/video/fbdev/udlfb.c -+++ b/drivers/video/fbdev/udlfb.c -@@ -623,11 +623,11 @@ static int dlfb_handle_damage(struct dlfb_data *dev, int x, int y, - dlfb_urb_completion(urb); - - error: -- atomic_add(bytes_sent, &dev->bytes_sent); -- atomic_add(bytes_identical, &dev->bytes_identical); -- atomic_add(width*height*2, &dev->bytes_rendered); -+ atomic_add_unchecked(bytes_sent, &dev->bytes_sent); -+ atomic_add_unchecked(bytes_identical, &dev->bytes_identical); -+ atomic_add_unchecked(width*height*2, &dev->bytes_rendered); - end_cycles = get_cycles(); -- atomic_add(((unsigned int) ((end_cycles - start_cycles) -+ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles) - >> 10)), /* Kcycles */ - &dev->cpu_kcycles_used); - -@@ -748,11 +748,11 @@ static void dlfb_dpy_deferred_io(struct fb_info *info, - dlfb_urb_completion(urb); - - error: -- atomic_add(bytes_sent, &dev->bytes_sent); -- atomic_add(bytes_identical, &dev->bytes_identical); -- atomic_add(bytes_rendered, &dev->bytes_rendered); -+ atomic_add_unchecked(bytes_sent, &dev->bytes_sent); -+ atomic_add_unchecked(bytes_identical, &dev->bytes_identical); -+ atomic_add_unchecked(bytes_rendered, &dev->bytes_rendered); - end_cycles = get_cycles(); -- atomic_add(((unsigned int) ((end_cycles - start_cycles) -+ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles) - >> 10)), /* Kcycles */ - &dev->cpu_kcycles_used); - } -@@ -991,7 +991,9 @@ static int dlfb_ops_release(struct fb_info *info, int user) - fb_deferred_io_cleanup(info); - kfree(info->fbdefio); - info->fbdefio = NULL; -- info->fbops->fb_mmap = dlfb_ops_mmap; -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_mmap = dlfb_ops_mmap; -+ pax_close_kernel(); - } - - pr_warn("released /dev/fb%d user=%d count=%d\n", -@@ -1373,7 +1375,7 @@ static ssize_t metrics_bytes_rendered_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_rendered)); -+ atomic_read_unchecked(&dev->bytes_rendered)); - } - - static ssize_t metrics_bytes_identical_show(struct device *fbdev, -@@ -1381,7 +1383,7 @@ static ssize_t metrics_bytes_identical_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_identical)); -+ atomic_read_unchecked(&dev->bytes_identical)); - } - - static ssize_t metrics_bytes_sent_show(struct device *fbdev, -@@ -1389,7 +1391,7 @@ static ssize_t metrics_bytes_sent_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_sent)); -+ atomic_read_unchecked(&dev->bytes_sent)); - } - - static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev, -@@ -1397,7 +1399,7 @@ static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->cpu_kcycles_used)); -+ atomic_read_unchecked(&dev->cpu_kcycles_used)); - } - - static ssize_t edid_show( -@@ -1457,10 +1459,10 @@ static ssize_t metrics_reset_store(struct device *fbdev, - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - -- atomic_set(&dev->bytes_rendered, 0); -- atomic_set(&dev->bytes_identical, 0); -- atomic_set(&dev->bytes_sent, 0); -- atomic_set(&dev->cpu_kcycles_used, 0); -+ atomic_set_unchecked(&dev->bytes_rendered, 0); -+ atomic_set_unchecked(&dev->bytes_identical, 0); -+ atomic_set_unchecked(&dev->bytes_sent, 0); -+ atomic_set_unchecked(&dev->cpu_kcycles_used, 0); - - return count; - } -diff --git a/drivers/video/fbdev/uvesafb.c b/drivers/video/fbdev/uvesafb.c -index d32d1c4..46722e6 100644 ---- a/drivers/video/fbdev/uvesafb.c -+++ b/drivers/video/fbdev/uvesafb.c -@@ -19,6 +19,7 @@ - #include <linux/io.h> - #include <linux/mutex.h> - #include <linux/slab.h> -+#include <linux/moduleloader.h> - #include <video/edid.h> - #include <video/uvesafb.h> - #ifdef CONFIG_X86 -@@ -565,10 +566,32 @@ static int uvesafb_vbe_getpmi(struct uvesafb_ktask *task, - if ((task->t.regs.eax & 0xffff) != 0x4f || task->t.regs.es < 0xc000) { - par->pmi_setpal = par->ypan = 0; - } else { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_MODULES -+ par->pmi_code = module_alloc_exec((u16)task->t.regs.ecx); -+#endif -+ if (!par->pmi_code) { -+ par->pmi_setpal = par->ypan = 0; -+ return 0; -+ } -+#endif -+ - par->pmi_base = (u16 *)phys_to_virt(((u32)task->t.regs.es << 4) - + task->t.regs.edi); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pax_open_kernel(); -+ memcpy(par->pmi_code, par->pmi_base, (u16)task->t.regs.ecx); -+ pax_close_kernel(); -+ -+ par->pmi_start = ktva_ktla(par->pmi_code + par->pmi_base[1]); -+ par->pmi_pal = ktva_ktla(par->pmi_code + par->pmi_base[2]); -+#else - par->pmi_start = (u8 *)par->pmi_base + par->pmi_base[1]; - par->pmi_pal = (u8 *)par->pmi_base + par->pmi_base[2]; -+#endif -+ - printk(KERN_INFO "uvesafb: protected mode interface info at " - "%04x:%04x\n", - (u16)task->t.regs.es, (u16)task->t.regs.edi); -@@ -813,13 +836,14 @@ static int uvesafb_vbe_init(struct fb_info *info) - par->ypan = ypan; - - if (par->pmi_setpal || par->ypan) { -+#if !defined(CONFIG_MODULES) || !defined(CONFIG_PAX_KERNEXEC) - if (__supported_pte_mask & _PAGE_NX) { - par->pmi_setpal = par->ypan = 0; - printk(KERN_WARNING "uvesafb: NX protection is active, " - "better not use the PMI.\n"); -- } else { -+ } else -+#endif - uvesafb_vbe_getpmi(task, par); -- } - } - #else - /* The protected mode interface is not available on non-x86. */ -@@ -1452,8 +1476,11 @@ static void uvesafb_init_info(struct fb_info *info, struct vbe_mode_ib *mode) - info->fix.ywrapstep = (par->ypan > 1) ? 1 : 0; - - /* Disable blanking if the user requested so. */ -- if (!blank) -- info->fbops->fb_blank = NULL; -+ if (!blank) { -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_blank = NULL; -+ pax_close_kernel(); -+ } - - /* - * Find out how much IO memory is required for the mode with -@@ -1524,8 +1551,11 @@ static void uvesafb_init_info(struct fb_info *info, struct vbe_mode_ib *mode) - info->flags = FBINFO_FLAG_DEFAULT | - (par->ypan ? FBINFO_HWACCEL_YPAN : 0); - -- if (!par->ypan) -- info->fbops->fb_pan_display = NULL; -+ if (!par->ypan) { -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_pan_display = NULL; -+ pax_close_kernel(); -+ } - } - - static void uvesafb_init_mtrr(struct fb_info *info) -@@ -1786,6 +1816,11 @@ out_mode: - out: - kfree(par->vbe_modes); - -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ if (par->pmi_code) -+ module_memfree_exec(par->pmi_code); -+#endif -+ - framebuffer_release(info); - return err; - } -@@ -1810,6 +1845,11 @@ static int uvesafb_remove(struct platform_device *dev) - kfree(par->vbe_state_orig); - kfree(par->vbe_state_saved); - -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ if (par->pmi_code) -+ module_memfree_exec(par->pmi_code); -+#endif -+ - framebuffer_release(info); - } - return 0; -diff --git a/drivers/video/fbdev/vesafb.c b/drivers/video/fbdev/vesafb.c -index d79a0ac..2d0c3d4 100644 ---- a/drivers/video/fbdev/vesafb.c -+++ b/drivers/video/fbdev/vesafb.c -@@ -9,6 +9,7 @@ - */ - - #include <linux/module.h> -+#include <linux/moduleloader.h> - #include <linux/kernel.h> - #include <linux/errno.h> - #include <linux/string.h> -@@ -52,8 +53,8 @@ static int vram_remap; /* Set amount of memory to be used */ - static int vram_total; /* Set total amount of memory */ - static int pmi_setpal __read_mostly = 1; /* pmi for palette changes ??? */ - static int ypan __read_mostly; /* 0..nothing, 1..ypan, 2..ywrap */ --static void (*pmi_start)(void) __read_mostly; --static void (*pmi_pal) (void) __read_mostly; -+static void (*pmi_start)(void) __read_only; -+static void (*pmi_pal) (void) __read_only; - static int depth __read_mostly; - static int vga_compat __read_mostly; - /* --------------------------------------------------------------------- */ -@@ -233,6 +234,7 @@ static int vesafb_probe(struct platform_device *dev) - unsigned int size_remap; - unsigned int size_total; - char *option = NULL; -+ void *pmi_code = NULL; - - /* ignore error return of fb_get_options */ - fb_get_options("vesafb", &option); -@@ -279,10 +281,6 @@ static int vesafb_probe(struct platform_device *dev) - size_remap = size_total; - vesafb_fix.smem_len = size_remap; - --#ifndef __i386__ -- screen_info.vesapm_seg = 0; --#endif -- - if (!request_mem_region(vesafb_fix.smem_start, size_total, "vesafb")) { - printk(KERN_WARNING - "vesafb: cannot reserve video memory at 0x%lx\n", -@@ -312,9 +310,21 @@ static int vesafb_probe(struct platform_device *dev) - printk(KERN_INFO "vesafb: mode is %dx%dx%d, linelength=%d, pages=%d\n", - vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, vesafb_fix.line_length, screen_info.pages); - -+#ifdef __i386__ -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pmi_code = module_alloc_exec(screen_info.vesapm_size); -+ if (!pmi_code) -+#elif !defined(CONFIG_PAX_KERNEXEC) -+ if (0) -+#endif -+ -+#endif -+ screen_info.vesapm_seg = 0; -+ - if (screen_info.vesapm_seg) { -- printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x\n", -- screen_info.vesapm_seg,screen_info.vesapm_off); -+ printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x %04x bytes\n", -+ screen_info.vesapm_seg,screen_info.vesapm_off,screen_info.vesapm_size); - } - - if (screen_info.vesapm_seg < 0xc000) -@@ -322,9 +332,25 @@ static int vesafb_probe(struct platform_device *dev) - - if (ypan || pmi_setpal) { - unsigned short *pmi_base; -+ - pmi_base = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off); -- pmi_start = (void*)((char*)pmi_base + pmi_base[1]); -- pmi_pal = (void*)((char*)pmi_base + pmi_base[2]); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pax_open_kernel(); -+ memcpy(pmi_code, pmi_base, screen_info.vesapm_size); -+#else -+ pmi_code = pmi_base; -+#endif -+ -+ pmi_start = (void*)((char*)pmi_code + pmi_base[1]); -+ pmi_pal = (void*)((char*)pmi_code + pmi_base[2]); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pmi_start = ktva_ktla(pmi_start); -+ pmi_pal = ktva_ktla(pmi_pal); -+ pax_close_kernel(); -+#endif -+ - printk(KERN_INFO "vesafb: pmi: set display start = %p, set palette = %p\n",pmi_start,pmi_pal); - if (pmi_base[3]) { - printk(KERN_INFO "vesafb: pmi: ports = "); -@@ -477,8 +503,11 @@ static int vesafb_probe(struct platform_device *dev) - info->flags = FBINFO_FLAG_DEFAULT | FBINFO_MISC_FIRMWARE | - (ypan ? FBINFO_HWACCEL_YPAN : 0); - -- if (!ypan) -- info->fbops->fb_pan_display = NULL; -+ if (!ypan) { -+ pax_open_kernel(); -+ *(void **)&info->fbops->fb_pan_display = NULL; -+ pax_close_kernel(); -+ } - - if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) { - err = -ENOMEM; -@@ -492,6 +521,11 @@ static int vesafb_probe(struct platform_device *dev) - fb_info(info, "%s frame buffer device\n", info->fix.id); - return 0; - err: -+ -+#if defined(__i386__) && defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ module_memfree_exec(pmi_code); -+#endif -+ - if (info->screen_base) - iounmap(info->screen_base); - framebuffer_release(info); -diff --git a/drivers/video/fbdev/via/via_clock.h b/drivers/video/fbdev/via/via_clock.h -index 88714ae..16c2e11 100644 ---- a/drivers/video/fbdev/via/via_clock.h -+++ b/drivers/video/fbdev/via/via_clock.h -@@ -56,7 +56,7 @@ struct via_clock { - - void (*set_engine_pll_state)(u8 state); - void (*set_engine_pll)(struct via_pll_config config); --}; -+} __no_const; - - - static inline u32 get_pll_internal_frequency(u32 ref_freq, -diff --git a/drivers/video/logo/logo_linux_clut224.ppm b/drivers/video/logo/logo_linux_clut224.ppm -index 3c14e43..2630570 100644 ---- a/drivers/video/logo/logo_linux_clut224.ppm -+++ b/drivers/video/logo/logo_linux_clut224.ppm -@@ -2,1603 +2,1123 @@ P3 - # Standard 224-color Linux logo - 80 80 - 255 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 6 6 6 6 6 6 10 10 10 10 10 10 -- 10 10 10 6 6 6 6 6 6 6 6 6 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 6 6 6 10 10 10 14 14 14 -- 22 22 22 26 26 26 30 30 30 34 34 34 -- 30 30 30 30 30 30 26 26 26 18 18 18 -- 14 14 14 10 10 10 6 6 6 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 1 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 6 6 6 14 14 14 26 26 26 42 42 42 -- 54 54 54 66 66 66 78 78 78 78 78 78 -- 78 78 78 74 74 74 66 66 66 54 54 54 -- 42 42 42 26 26 26 18 18 18 10 10 10 -- 6 6 6 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 10 10 10 -- 22 22 22 42 42 42 66 66 66 86 86 86 -- 66 66 66 38 38 38 38 38 38 22 22 22 -- 26 26 26 34 34 34 54 54 54 66 66 66 -- 86 86 86 70 70 70 46 46 46 26 26 26 -- 14 14 14 6 6 6 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 1 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 10 10 10 26 26 26 -- 50 50 50 82 82 82 58 58 58 6 6 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 6 6 6 54 54 54 86 86 86 66 66 66 -- 38 38 38 18 18 18 6 6 6 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 6 6 6 22 22 22 50 50 50 -- 78 78 78 34 34 34 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 6 6 6 70 70 70 -- 78 78 78 46 46 46 22 22 22 6 6 6 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 1 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 6 6 6 18 18 18 42 42 42 82 82 82 -- 26 26 26 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 14 14 14 -- 46 46 46 34 34 34 6 6 6 2 2 6 -- 42 42 42 78 78 78 42 42 42 18 18 18 -- 6 6 6 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 0 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 10 10 10 30 30 30 66 66 66 58 58 58 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 26 26 26 -- 86 86 86 101 101 101 46 46 46 10 10 10 -- 2 2 6 58 58 58 70 70 70 34 34 34 -- 10 10 10 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 1 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 14 14 14 42 42 42 86 86 86 10 10 10 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 30 30 30 -- 94 94 94 94 94 94 58 58 58 26 26 26 -- 2 2 6 6 6 6 78 78 78 54 54 54 -- 22 22 22 6 6 6 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 6 6 6 -- 22 22 22 62 62 62 62 62 62 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 26 26 26 -- 54 54 54 38 38 38 18 18 18 10 10 10 -- 2 2 6 2 2 6 34 34 34 82 82 82 -- 38 38 38 14 14 14 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 1 0 0 1 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 6 6 6 -- 30 30 30 78 78 78 30 30 30 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 10 10 10 -- 10 10 10 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 78 78 78 -- 50 50 50 18 18 18 6 6 6 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 1 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 10 10 10 -- 38 38 38 86 86 86 14 14 14 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 6 2 2 6 -- 2 2 6 2 2 6 2 2 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253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 206 206 206 198 198 198 214 166 58 --230 174 11 230 174 11 216 158 10 192 133 9 --163 110 8 116 81 8 102 78 10 116 81 8 --167 114 7 197 138 11 226 170 11 239 182 13 --242 186 14 242 186 14 162 146 94 78 78 78 -- 34 34 34 14 14 14 6 6 6 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 6 6 6 -- 30 30 30 78 78 78 190 142 34 226 170 11 --239 182 13 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 241 196 14 203 166 17 22 18 6 -- 2 2 6 2 2 6 2 2 6 38 38 38 --218 218 218 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --250 250 250 206 206 206 198 198 198 202 162 69 --226 170 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253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 218 218 218 -- 58 58 58 2 2 6 22 18 6 167 114 7 --216 158 10 236 178 12 246 186 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 186 14 242 186 14 190 150 46 -- 54 54 54 22 22 22 6 6 6 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 0 0 0 -- 0 0 0 0 0 0 0 0 0 14 14 14 -- 38 38 38 86 86 86 180 133 36 213 154 11 --236 178 12 246 186 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 246 190 14 246 190 14 246 190 14 --246 190 14 232 195 16 190 146 13 214 214 214 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 253 253 253 253 253 253 253 253 253 253 --253 253 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4 4 4 4 4 -diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c -index 3838795..0d48d61 100644 ---- a/drivers/xen/events/events_base.c -+++ b/drivers/xen/events/events_base.c -@@ -1568,7 +1568,7 @@ void xen_irq_resume(void) - restore_pirqs(); - } - --static struct irq_chip xen_dynamic_chip __read_mostly = { -+static struct irq_chip xen_dynamic_chip = { - .name = "xen-dyn", - - .irq_disable = disable_dynirq, -@@ -1582,7 +1582,7 @@ static struct irq_chip xen_dynamic_chip __read_mostly = { - .irq_retrigger = retrigger_dynirq, - }; - --static struct irq_chip xen_pirq_chip __read_mostly = { -+static struct irq_chip xen_pirq_chip = { - .name = "xen-pirq", - - .irq_startup = startup_pirq, -@@ -1602,7 +1602,7 @@ static struct irq_chip xen_pirq_chip __read_mostly = { - .irq_retrigger = retrigger_dynirq, - }; - --static struct irq_chip xen_percpu_chip __read_mostly = { -+static struct irq_chip xen_percpu_chip = { - .name = "xen-percpu", - - .irq_disable = disable_dynirq, -diff --git a/drivers/xen/evtchn.c b/drivers/xen/evtchn.c -index 00f40f0..e3c0b15 100644 ---- a/drivers/xen/evtchn.c -+++ b/drivers/xen/evtchn.c -@@ -201,8 +201,8 @@ static ssize_t evtchn_read(struct file *file, char __user *buf, - - /* Byte lengths of two chunks. Chunk split (if any) is at ring wrap. */ - if (((c ^ p) & EVTCHN_RING_SIZE) != 0) { -- bytes1 = (EVTCHN_RING_SIZE - EVTCHN_RING_MASK(c)) * -- sizeof(evtchn_port_t); -+ bytes1 = EVTCHN_RING_SIZE - EVTCHN_RING_MASK(c); -+ bytes1 *= sizeof(evtchn_port_t); - bytes2 = EVTCHN_RING_MASK(p) * sizeof(evtchn_port_t); - } else { - bytes1 = (p - c) * sizeof(evtchn_port_t); -diff --git a/drivers/xen/xenfs/xenstored.c b/drivers/xen/xenfs/xenstored.c -index fef20db..d28b1ab 100644 ---- a/drivers/xen/xenfs/xenstored.c -+++ b/drivers/xen/xenfs/xenstored.c -@@ -24,7 +24,12 @@ static int xsd_release(struct inode *inode, struct file *file) - static int xsd_kva_open(struct inode *inode, struct file *file) - { - file->private_data = (void *)kasprintf(GFP_KERNEL, "0x%p", -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL); -+#else - xen_store_interface); -+#endif -+ - if (!file->private_data) - return -ENOMEM; - return 0; -diff --git a/firmware/Makefile b/firmware/Makefile -index e297e1b..aeb0982 100644 ---- a/firmware/Makefile -+++ b/firmware/Makefile -@@ -35,9 +35,11 @@ fw-shipped-$(CONFIG_BNX2X) += bnx2x/bnx2x-e1-6.2.9.0.fw \ - bnx2x/bnx2x-e1h-6.2.9.0.fw \ - bnx2x/bnx2x-e2-6.2.9.0.fw - fw-shipped-$(CONFIG_BNX2) += bnx2/bnx2-mips-09-6.2.1a.fw \ -+ bnx2/bnx2-mips-09-6.2.1b.fw \ - bnx2/bnx2-rv2p-09-6.0.17.fw \ - bnx2/bnx2-rv2p-09ax-6.0.17.fw \ - bnx2/bnx2-mips-06-6.2.1.fw \ -+ bnx2/bnx2-mips-06-6.2.3.fw \ - bnx2/bnx2-rv2p-06-6.0.15.fw - fw-shipped-$(CONFIG_CASSINI) += sun/cassini.bin - fw-shipped-$(CONFIG_CHELSIO_T3) += cxgb3/t3b_psram-1.1.0.bin \ -diff --git a/firmware/WHENCE b/firmware/WHENCE -index 0c4d96d..b17700f 100644 ---- a/firmware/WHENCE -+++ b/firmware/WHENCE -@@ -653,21 +653,23 @@ Found in hex form in kernel source. - Driver: BNX2 - Broadcom NetXtremeII - - File: bnx2/bnx2-mips-06-6.2.1.fw -+File: bnx2/bnx2-mips-06-6.2.3.fw - File: bnx2/bnx2-rv2p-06-6.0.15.fw - File: bnx2/bnx2-mips-09-6.2.1a.fw -+File: bnx2/bnx2-mips-09-6.2.1b.fw - File: bnx2/bnx2-rv2p-09-6.0.17.fw - File: bnx2/bnx2-rv2p-09ax-6.0.17.fw - - Licence: -- -- This file contains firmware data derived from proprietary unpublished -- source code, Copyright (c) 2004 - 2010 Broadcom Corporation. -- -- Permission is hereby granted for the distribution of this firmware data -- in hexadecimal or equivalent format, provided this copyright notice is -- accompanying it. -- --Found in hex form in kernel source. -+ -+ This file contains firmware data derived from proprietary unpublished -+ source code, Copyright (c) 2004 - 2010 Broadcom Corporation. -+ -+ Permission is hereby granted for the distribution of this firmware data -+ in hexadecimal or equivalent format, provided this copyright notice is -+ accompanying it. -+ -+Found in hex form in kernel source. - - -------------------------------------------------------------------------- - -diff --git a/firmware/bnx2/bnx2-mips-06-6.2.3.fw.ihex b/firmware/bnx2/bnx2-mips-06-6.2.3.fw.ihex -new file mode 100644 -index 0000000..da72bf1 ---- /dev/null -+++ 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*dentry, struct nameidata *nd) - void - v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void *p) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - - p9_debug(P9_DEBUG_VFS, " %pd %s\n", - dentry, IS_ERR(s) ? "<error>" : s); -diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt -index 2d0cbbd..a6d6149 100644 ---- a/fs/Kconfig.binfmt -+++ b/fs/Kconfig.binfmt -@@ -103,7 +103,7 @@ config HAVE_AOUT - - config BINFMT_AOUT - tristate "Kernel support for a.out and ECOFF binaries" -- depends on HAVE_AOUT -+ depends on HAVE_AOUT && BROKEN - ---help--- - A.out (Assembler.OUTput) is a set of formats for libraries and - executables used in the earliest versions of UNIX. Linux used -diff --git a/fs/afs/inode.c b/fs/afs/inode.c -index e06f5a2..81d07ac 100644 ---- a/fs/afs/inode.c -+++ b/fs/afs/inode.c -@@ -141,7 +141,7 @@ struct inode *afs_iget_autocell(struct inode *dir, const char *dev_name, - struct afs_vnode *vnode; - struct super_block *sb; - struct inode *inode; -- static atomic_t afs_autocell_ino; -+ static atomic_unchecked_t afs_autocell_ino; - - _enter("{%x:%u},%*.*s,", - AFS_FS_I(dir)->fid.vid, AFS_FS_I(dir)->fid.vnode, -@@ -154,7 +154,7 @@ struct inode *afs_iget_autocell(struct inode *dir, const char *dev_name, - data.fid.unique = 0; - data.fid.vnode = 0; - -- inode = iget5_locked(sb, atomic_inc_return(&afs_autocell_ino), -+ inode = iget5_locked(sb, atomic_inc_return_unchecked(&afs_autocell_ino), - afs_iget5_autocell_test, afs_iget5_set, - &data); - if (!inode) { -diff --git a/fs/aio.c b/fs/aio.c -index 480440f..623fd88 100644 ---- a/fs/aio.c -+++ b/fs/aio.c -@@ -441,7 +441,7 @@ static int aio_setup_ring(struct kioctx *ctx) - size += sizeof(struct io_event) * nr_events; - - nr_pages = PFN_UP(size); -- if (nr_pages < 0) -+ if (nr_pages <= 0) - return -EINVAL; - - file = aio_private_file(ctx, nr_pages); -diff --git a/fs/attr.c b/fs/attr.c -index 6530ced..4a827e2 100644 ---- a/fs/attr.c -+++ b/fs/attr.c -@@ -102,6 +102,7 @@ int inode_newsize_ok(const struct inode *inode, loff_t offset) - unsigned long limit; - - limit = rlimit(RLIMIT_FSIZE); -+ gr_learn_resource(current, RLIMIT_FSIZE, (unsigned long)offset, 1); - if (limit != RLIM_INFINITY && offset > limit) - goto out_sig; - if (offset > inode->i_sb->s_maxbytes) -diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c -index 35b755e..f4b9e0a 100644 ---- a/fs/autofs4/waitq.c -+++ b/fs/autofs4/waitq.c -@@ -59,7 +59,7 @@ static int autofs4_write(struct autofs_sb_info *sbi, - { - unsigned long sigpipe, flags; - mm_segment_t fs; -- const char *data = (const char *)addr; -+ const char __user *data = (const char __force_user *)addr; - ssize_t wr = 0; - - sigpipe = sigismember(&current->pending.signal, SIGPIPE); -@@ -340,6 +340,10 @@ static int validate_request(struct autofs_wait_queue **wait, - return 1; - } - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+static atomic_unchecked_t autofs_dummy_name_id = ATOMIC_INIT(0); -+#endif -+ - int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, - enum autofs_notify notify) - { -@@ -385,7 +389,12 @@ int autofs4_wait(struct autofs_sb_info *sbi, struct dentry *dentry, - - /* If this is a direct mount request create a dummy name */ - if (IS_ROOT(dentry) && autofs_type_trigger(sbi->type)) -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ /* this name does get written to userland via autofs4_write() */ -+ qstr.len = sprintf(name, "%08x", atomic_inc_return_unchecked(&autofs_dummy_name_id)); -+#else - qstr.len = sprintf(name, "%p", dentry); -+#endif - else { - qstr.len = autofs4_getpath(sbi, dentry, &name); - if (!qstr.len) { -diff --git a/fs/befs/endian.h b/fs/befs/endian.h -index 2722387..56059b5 100644 ---- a/fs/befs/endian.h -+++ b/fs/befs/endian.h -@@ -11,7 +11,7 @@ - - #include <asm/byteorder.h> - --static inline u64 -+static inline u64 __intentional_overflow(-1) - fs64_to_cpu(const struct super_block *sb, fs64 n) - { - if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE) -@@ -29,7 +29,7 @@ cpu_to_fs64(const struct super_block *sb, u64 n) - return (__force fs64)cpu_to_be64(n); - } - --static inline u32 -+static inline u32 __intentional_overflow(-1) - fs32_to_cpu(const struct super_block *sb, fs32 n) - { - if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE) -@@ -47,7 +47,7 @@ cpu_to_fs32(const struct super_block *sb, u32 n) - return (__force fs32)cpu_to_be32(n); - } - --static inline u16 -+static inline u16 __intentional_overflow(-1) - fs16_to_cpu(const struct super_block *sb, fs16 n) - { - if (BEFS_SB(sb)->byte_order == BEFS_BYTESEX_LE) -diff --git a/fs/binfmt_aout.c b/fs/binfmt_aout.c -index 4c55668..eeae150 100644 ---- a/fs/binfmt_aout.c -+++ b/fs/binfmt_aout.c -@@ -16,6 +16,7 @@ - #include <linux/string.h> - #include <linux/fs.h> - #include <linux/file.h> -+#include <linux/security.h> - #include <linux/stat.h> - #include <linux/fcntl.h> - #include <linux/ptrace.h> -@@ -58,6 +59,8 @@ static int aout_core_dump(struct coredump_params *cprm) - #endif - # define START_STACK(u) ((void __user *)u.start_stack) - -+ memset(&dump, 0, sizeof(dump)); -+ - fs = get_fs(); - set_fs(KERNEL_DS); - has_dumped = 1; -@@ -68,10 +71,12 @@ static int aout_core_dump(struct coredump_params *cprm) - - /* If the size of the dump file exceeds the rlimit, then see what would happen - if we wrote the stack, but not the data area. */ -+ gr_learn_resource(current, RLIMIT_CORE, (dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE, 1); - if ((dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE > cprm->limit) - dump.u_dsize = 0; - - /* Make sure we have enough room to write the stack and data areas. */ -+ gr_learn_resource(current, RLIMIT_CORE, (dump.u_ssize + 1) * PAGE_SIZE, 1); - if ((dump.u_ssize + 1) * PAGE_SIZE > cprm->limit) - dump.u_ssize = 0; - -@@ -232,6 +237,8 @@ static int load_aout_binary(struct linux_binprm * bprm) - rlim = rlimit(RLIMIT_DATA); - if (rlim >= RLIM_INFINITY) - rlim = ~0; -+ -+ gr_learn_resource(current, RLIMIT_DATA, ex.a_data + ex.a_bss, 1); - if (ex.a_data + ex.a_bss > rlim) - return -ENOMEM; - -@@ -261,6 +268,27 @@ static int load_aout_binary(struct linux_binprm * bprm) - - install_exec_creds(bprm); - -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ current->mm->pax_flags = 0UL; -+#endif -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(N_FLAGS(ex) & F_PAX_PAGEEXEC)) { -+ current->mm->pax_flags |= MF_PAX_PAGEEXEC; -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if (N_FLAGS(ex) & F_PAX_EMUTRAMP) -+ current->mm->pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (!(N_FLAGS(ex) & F_PAX_MPROTECT)) -+ current->mm->pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+ } -+#endif -+ - if (N_MAGIC(ex) == OMAGIC) { - unsigned long text_addr, map_size; - loff_t pos; -@@ -312,7 +340,7 @@ static int load_aout_binary(struct linux_binprm * bprm) - return error; - - error = vm_mmap(bprm->file, N_DATADDR(ex), ex.a_data, -- PROT_READ | PROT_WRITE | PROT_EXEC, -+ PROT_READ | PROT_WRITE, - MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE, - fd_offset + ex.a_text); - if (error != N_DATADDR(ex)) -diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c -index cd46e41..244f778 100644 ---- a/fs/binfmt_elf.c -+++ b/fs/binfmt_elf.c -@@ -35,6 +35,7 @@ - #include <linux/utsname.h> - #include <linux/coredump.h> - #include <linux/sched.h> -+#include <linux/xattr.h> - #include <asm/uaccess.h> - #include <asm/param.h> - #include <asm/page.h> -@@ -48,7 +49,7 @@ - - static int load_elf_binary(struct linux_binprm *bprm); - static unsigned long elf_map(struct file *, unsigned long, struct elf_phdr *, -- int, int, unsigned long); -+ int, int, unsigned long) __intentional_overflow(-1); - - #ifdef CONFIG_USELIB - static int load_elf_library(struct file *); -@@ -66,6 +67,14 @@ static int elf_core_dump(struct coredump_params *cprm); - #define elf_core_dump NULL - #endif - -+#ifdef CONFIG_PAX_MPROTECT -+static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags); -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+static void elf_handle_mmap(struct file *file); -+#endif -+ - #if ELF_EXEC_PAGESIZE > PAGE_SIZE - #define ELF_MIN_ALIGN ELF_EXEC_PAGESIZE - #else -@@ -85,6 +94,15 @@ static struct linux_binfmt elf_format = { - .load_binary = load_elf_binary, - .load_shlib = load_elf_library, - .core_dump = elf_core_dump, -+ -+#ifdef CONFIG_PAX_MPROTECT -+ .handle_mprotect= elf_handle_mprotect, -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ .handle_mmap = elf_handle_mmap, -+#endif -+ - .min_coredump = ELF_EXEC_PAGESIZE, - }; - -@@ -92,6 +110,8 @@ static struct linux_binfmt elf_format = { - - static int set_brk(unsigned long start, unsigned long end) - { -+ unsigned long e = end; -+ - start = ELF_PAGEALIGN(start); - end = ELF_PAGEALIGN(end); - if (end > start) { -@@ -100,7 +120,7 @@ static int set_brk(unsigned long start, unsigned long end) - if (BAD_ADDR(addr)) - return addr; - } -- current->mm->start_brk = current->mm->brk = end; -+ current->mm->start_brk = current->mm->brk = e; - return 0; - } - -@@ -161,12 +181,13 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, - elf_addr_t __user *u_rand_bytes; - const char *k_platform = ELF_PLATFORM; - const char *k_base_platform = ELF_BASE_PLATFORM; -- unsigned char k_rand_bytes[16]; -+ u32 k_rand_bytes[4]; - int items; - elf_addr_t *elf_info; - int ei_index = 0; - const struct cred *cred = current_cred(); - struct vm_area_struct *vma; -+ unsigned long saved_auxv[AT_VECTOR_SIZE]; - - /* - * In some cases (e.g. Hyper-Threading), we want to avoid L1 -@@ -208,8 +229,12 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, - * Generate 16 random bytes for userspace PRNG seeding. - */ - get_random_bytes(k_rand_bytes, sizeof(k_rand_bytes)); -- u_rand_bytes = (elf_addr_t __user *) -- STACK_ALLOC(p, sizeof(k_rand_bytes)); -+ prandom_seed(k_rand_bytes[0] ^ prandom_u32()); -+ prandom_seed(k_rand_bytes[1] ^ prandom_u32()); -+ prandom_seed(k_rand_bytes[2] ^ prandom_u32()); -+ prandom_seed(k_rand_bytes[3] ^ prandom_u32()); -+ p = STACK_ROUND(p, sizeof(k_rand_bytes)); -+ u_rand_bytes = (elf_addr_t __user *) p; - if (__copy_to_user(u_rand_bytes, k_rand_bytes, sizeof(k_rand_bytes))) - return -EFAULT; - -@@ -324,9 +349,11 @@ create_elf_tables(struct linux_binprm *bprm, struct elfhdr *exec, - return -EFAULT; - current->mm->env_end = p; - -+ memcpy(saved_auxv, elf_info, ei_index * sizeof(elf_addr_t)); -+ - /* Put the elf_info on the stack in the right place. */ - sp = (elf_addr_t __user *)envp + 1; -- if (copy_to_user(sp, elf_info, ei_index * sizeof(elf_addr_t))) -+ if (copy_to_user(sp, saved_auxv, ei_index * sizeof(elf_addr_t))) - return -EFAULT; - return 0; - } -@@ -515,14 +542,14 @@ static inline int arch_check_elf(struct elfhdr *ehdr, bool has_interp, - an ELF header */ - - static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, -- struct file *interpreter, unsigned long *interp_map_addr, -+ struct file *interpreter, - unsigned long no_base, struct elf_phdr *interp_elf_phdata) - { - struct elf_phdr *eppnt; -- unsigned long load_addr = 0; -+ unsigned long load_addr = 0, pax_task_size = TASK_SIZE; - int load_addr_set = 0; - unsigned long last_bss = 0, elf_bss = 0; -- unsigned long error = ~0UL; -+ unsigned long error = -EINVAL; - unsigned long total_size; - int i; - -@@ -542,6 +569,11 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, - goto out; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ - eppnt = interp_elf_phdata; - for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) { - if (eppnt->p_type == PT_LOAD) { -@@ -565,8 +597,6 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, - map_addr = elf_map(interpreter, load_addr + vaddr, - eppnt, elf_prot, elf_type, total_size); - total_size = 0; -- if (!*interp_map_addr) -- *interp_map_addr = map_addr; - error = map_addr; - if (BAD_ADDR(map_addr)) - goto out; -@@ -585,8 +615,8 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, - k = load_addr + eppnt->p_vaddr; - if (BAD_ADDR(k) || - eppnt->p_filesz > eppnt->p_memsz || -- eppnt->p_memsz > TASK_SIZE || -- TASK_SIZE - eppnt->p_memsz < k) { -+ eppnt->p_memsz > pax_task_size || -+ pax_task_size - eppnt->p_memsz < k) { - error = -ENOMEM; - goto out; - } -@@ -625,9 +655,11 @@ static unsigned long load_elf_interp(struct elfhdr *interp_elf_ex, - elf_bss = ELF_PAGESTART(elf_bss + ELF_MIN_ALIGN - 1); - - /* Map the last of the bss segment */ -- error = vm_brk(elf_bss, last_bss - elf_bss); -- if (BAD_ADDR(error)) -- goto out; -+ if (last_bss > elf_bss) { -+ error = vm_brk(elf_bss, last_bss - elf_bss); -+ if (BAD_ADDR(error)) -+ goto out; -+ } - } - - error = load_addr; -@@ -635,6 +667,336 @@ out: - return error; - } - -+#ifdef CONFIG_PAX_PT_PAX_FLAGS -+#ifdef CONFIG_PAX_SOFTMODE -+static unsigned long pax_parse_pt_pax_softmode(const struct elf_phdr * const elf_phdata) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (elf_phdata->p_flags & PF_PAGEEXEC) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (elf_phdata->p_flags & PF_SEGMEXEC) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if ((elf_phdata->p_flags & PF_EMUTRAMP) && (pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC))) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (elf_phdata->p_flags & PF_MPROTECT) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK) -+ if (randomize_va_space && (elf_phdata->p_flags & PF_RANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+#endif -+ -+static unsigned long pax_parse_pt_pax_hardmode(const struct elf_phdr * const elf_phdata) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(elf_phdata->p_flags & PF_NOPAGEEXEC)) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!(elf_phdata->p_flags & PF_NOSEGMEXEC)) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if (!(elf_phdata->p_flags & PF_NOEMUTRAMP)) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (!(elf_phdata->p_flags & PF_NOMPROTECT)) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK) -+ if (randomize_va_space && !(elf_phdata->p_flags & PF_NORANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+#endif -+ -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+#ifdef CONFIG_PAX_SOFTMODE -+static unsigned long pax_parse_xattr_pax_softmode(unsigned long pax_flags_softmode) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (pax_flags_softmode & MF_PAX_PAGEEXEC) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_flags_softmode & MF_PAX_SEGMEXEC) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if ((pax_flags_softmode & MF_PAX_EMUTRAMP) && (pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC))) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (pax_flags_softmode & MF_PAX_MPROTECT) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK) -+ if (randomize_va_space && (pax_flags_softmode & MF_PAX_RANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+#endif -+ -+static unsigned long pax_parse_xattr_pax_hardmode(unsigned long pax_flags_hardmode) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(pax_flags_hardmode & MF_PAX_PAGEEXEC)) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!(pax_flags_hardmode & MF_PAX_SEGMEXEC)) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if (!(pax_flags_hardmode & MF_PAX_EMUTRAMP)) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (!(pax_flags_hardmode & MF_PAX_MPROTECT)) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK) -+ if (randomize_va_space && !(pax_flags_hardmode & MF_PAX_RANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+#endif -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+static unsigned long pax_parse_defaults(void) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ if (pax_softmode) -+ return pax_flags; -+#endif -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (randomize_va_space) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+ -+static unsigned long pax_parse_ei_pax(const struct elfhdr * const elf_ex) -+{ -+ unsigned long pax_flags = PAX_PARSE_FLAGS_FALLBACK; -+ -+#ifdef CONFIG_PAX_EI_PAX -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ if (pax_softmode) -+ return pax_flags; -+#endif -+ -+ pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_PAGEEXEC)) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_SEGMEXEC)) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && (elf_ex->e_ident[EI_PAX] & EF_PAX_EMUTRAMP)) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && !(elf_ex->e_ident[EI_PAX] & EF_PAX_MPROTECT)) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+ if (randomize_va_space && !(elf_ex->e_ident[EI_PAX] & EF_PAX_RANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+#endif -+ -+ return pax_flags; -+ -+} -+ -+static unsigned long pax_parse_pt_pax(const struct elfhdr * const elf_ex, const struct elf_phdr * const elf_phdata) -+{ -+ -+#ifdef CONFIG_PAX_PT_PAX_FLAGS -+ unsigned long i; -+ -+ for (i = 0UL; i < elf_ex->e_phnum; i++) -+ if (elf_phdata[i].p_type == PT_PAX_FLAGS) { -+ if (((elf_phdata[i].p_flags & PF_PAGEEXEC) && (elf_phdata[i].p_flags & PF_NOPAGEEXEC)) || -+ ((elf_phdata[i].p_flags & PF_SEGMEXEC) && (elf_phdata[i].p_flags & PF_NOSEGMEXEC)) || -+ ((elf_phdata[i].p_flags & PF_EMUTRAMP) && (elf_phdata[i].p_flags & PF_NOEMUTRAMP)) || -+ ((elf_phdata[i].p_flags & PF_MPROTECT) && (elf_phdata[i].p_flags & PF_NOMPROTECT)) || -+ ((elf_phdata[i].p_flags & PF_RANDMMAP) && (elf_phdata[i].p_flags & PF_NORANDMMAP))) -+ return PAX_PARSE_FLAGS_FALLBACK; -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ if (pax_softmode) -+ return pax_parse_pt_pax_softmode(&elf_phdata[i]); -+ else -+#endif -+ -+ return pax_parse_pt_pax_hardmode(&elf_phdata[i]); -+ break; -+ } -+#endif -+ -+ return PAX_PARSE_FLAGS_FALLBACK; -+} -+ -+static unsigned long pax_parse_xattr_pax(struct file * const file) -+{ -+ -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+ ssize_t xattr_size, i; -+ unsigned char xattr_value[sizeof("pemrs") - 1]; -+ unsigned long pax_flags_hardmode = 0UL, pax_flags_softmode = 0UL; -+ -+ xattr_size = pax_getxattr(file->f_path.dentry, xattr_value, sizeof xattr_value); -+ if (xattr_size < 0 || xattr_size > sizeof xattr_value) -+ return PAX_PARSE_FLAGS_FALLBACK; -+ -+ for (i = 0; i < xattr_size; i++) -+ switch (xattr_value[i]) { -+ default: -+ return PAX_PARSE_FLAGS_FALLBACK; -+ -+#define parse_flag(option1, option2, flag) \ -+ case option1: \ -+ if (pax_flags_hardmode & MF_PAX_##flag) \ -+ return PAX_PARSE_FLAGS_FALLBACK;\ -+ pax_flags_hardmode |= MF_PAX_##flag; \ -+ break; \ -+ case option2: \ -+ if (pax_flags_softmode & MF_PAX_##flag) \ -+ return PAX_PARSE_FLAGS_FALLBACK;\ -+ pax_flags_softmode |= MF_PAX_##flag; \ -+ break; -+ -+ parse_flag('p', 'P', PAGEEXEC); -+ parse_flag('e', 'E', EMUTRAMP); -+ parse_flag('m', 'M', MPROTECT); -+ parse_flag('r', 'R', RANDMMAP); -+ parse_flag('s', 'S', SEGMEXEC); -+ -+#undef parse_flag -+ } -+ -+ if (pax_flags_hardmode & pax_flags_softmode) -+ return PAX_PARSE_FLAGS_FALLBACK; -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ if (pax_softmode) -+ return pax_parse_xattr_pax_softmode(pax_flags_softmode); -+ else -+#endif -+ -+ return pax_parse_xattr_pax_hardmode(pax_flags_hardmode); -+#else -+ return PAX_PARSE_FLAGS_FALLBACK; -+#endif -+ -+} -+ -+static long pax_parse_pax_flags(const struct elfhdr * const elf_ex, const struct elf_phdr * const elf_phdata, struct file * const file) -+{ -+ unsigned long pax_flags, ei_pax_flags, pt_pax_flags, xattr_pax_flags; -+ -+ pax_flags = pax_parse_defaults(); -+ ei_pax_flags = pax_parse_ei_pax(elf_ex); -+ pt_pax_flags = pax_parse_pt_pax(elf_ex, elf_phdata); -+ xattr_pax_flags = pax_parse_xattr_pax(file); -+ -+ if (pt_pax_flags != PAX_PARSE_FLAGS_FALLBACK && -+ xattr_pax_flags != PAX_PARSE_FLAGS_FALLBACK && -+ pt_pax_flags != xattr_pax_flags) -+ return -EINVAL; -+ if (xattr_pax_flags != PAX_PARSE_FLAGS_FALLBACK) -+ pax_flags = xattr_pax_flags; -+ else if (pt_pax_flags != PAX_PARSE_FLAGS_FALLBACK) -+ pax_flags = pt_pax_flags; -+ else if (ei_pax_flags != PAX_PARSE_FLAGS_FALLBACK) -+ pax_flags = ei_pax_flags; -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_PAX_SEGMEXEC) -+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) == (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ if ((__supported_pte_mask & _PAGE_NX)) -+ pax_flags &= ~MF_PAX_SEGMEXEC; -+ else -+ pax_flags &= ~MF_PAX_PAGEEXEC; -+ } -+#endif -+ -+ if (0 > pax_check_flags(&pax_flags)) -+ return -EINVAL; -+ -+ current->mm->pax_flags = pax_flags; -+ return 0; -+} -+#endif -+ - /* - * These are the functions used to load ELF style executables and shared - * libraries. There is no binary dependent code anywhere else. -@@ -648,6 +1010,11 @@ static unsigned long randomize_stack_top(unsigned long stack_top) - { - unsigned long random_variable = 0; - -+#ifdef CONFIG_PAX_RANDUSTACK -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) -+ return stack_top - current->mm->delta_stack; -+#endif -+ - if ((current->flags & PF_RANDOMIZE) && - !(current->personality & ADDR_NO_RANDOMIZE)) { - random_variable = (unsigned long) get_random_int(); -@@ -667,7 +1034,7 @@ static int load_elf_binary(struct linux_binprm *bprm) - unsigned long load_addr = 0, load_bias = 0; - int load_addr_set = 0; - char * elf_interpreter = NULL; -- unsigned long error; -+ unsigned long error = 0; - struct elf_phdr *elf_ppnt, *elf_phdata, *interp_elf_phdata = NULL; - unsigned long elf_bss, elf_brk; - int retval, i; -@@ -682,6 +1049,7 @@ static int load_elf_binary(struct linux_binprm *bprm) - struct elfhdr interp_elf_ex; - } *loc; - struct arch_elf_state arch_state = INIT_ARCH_ELF_STATE; -+ unsigned long pax_task_size; - - loc = kmalloc(sizeof(*loc), GFP_KERNEL); - if (!loc) { -@@ -840,6 +1208,77 @@ static int load_elf_binary(struct linux_binprm *bprm) - /* Do this immediately, since STACK_TOP as used in setup_arg_pages - may depend on the personality. */ - SET_PERSONALITY2(loc->elf_ex, &arch_state); -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ current->mm->pax_flags = 0UL; -+#endif -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ current->mm->call_dl_resolve = 0UL; -+#endif -+ -+#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT) -+ current->mm->call_syscall = 0UL; -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+ current->mm->delta_mmap = 0UL; -+ current->mm->delta_stack = 0UL; -+#endif -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ if (0 > pax_parse_pax_flags(&loc->elf_ex, elf_phdata, bprm->file)) { -+ send_sig(SIGKILL, current, 0); -+ goto out_free_dentry; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS -+ pax_set_initial_flags(bprm); -+#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS) -+ if (pax_set_initial_flags_func) -+ (pax_set_initial_flags_func)(bprm); -+#endif -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+ if ((current->mm->pax_flags & MF_PAX_PAGEEXEC) && !(__supported_pte_mask & _PAGE_NX)) { -+ current->mm->context.user_cs_limit = PAGE_SIZE; -+ current->mm->def_flags |= VM_PAGEEXEC | VM_NOHUGEPAGE; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) { -+ current->mm->context.user_cs_base = SEGMEXEC_TASK_SIZE; -+ current->mm->context.user_cs_limit = TASK_SIZE-SEGMEXEC_TASK_SIZE; -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+ current->mm->def_flags |= VM_NOHUGEPAGE; -+ } else -+#endif -+ -+ pax_task_size = TASK_SIZE; -+ -+#if defined(CONFIG_ARCH_TRACK_EXEC_LIMIT) || defined(CONFIG_PAX_SEGMEXEC) -+ if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ set_user_cs(current->mm->context.user_cs_base, current->mm->context.user_cs_limit, get_cpu()); -+ put_cpu(); -+ } -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) { -+ current->mm->delta_mmap = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN)-1)) << PAGE_SHIFT; -+ current->mm->delta_stack = (pax_get_random_long() & ((1UL << PAX_DELTA_STACK_LEN)-1)) << PAGE_SHIFT; -+ } -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ executable_stack = EXSTACK_DISABLE_X; -+ current->personality &= ~READ_IMPLIES_EXEC; -+ } else -+#endif -+ - if (elf_read_implies_exec(loc->elf_ex, executable_stack)) - current->personality |= READ_IMPLIES_EXEC; - -@@ -915,8 +1354,21 @@ static int load_elf_binary(struct linux_binprm *bprm) - if (current->flags & PF_RANDOMIZE) - load_bias += arch_mmap_rnd(); - load_bias = ELF_PAGESTART(load_bias); -- total_size = total_mapping_size(elf_phdata, -- loc->elf_ex.e_phnum); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ /* PaX: randomize base address at the default exe base if requested */ -+ if ((current->mm->pax_flags & MF_PAX_RANDMMAP) && elf_interpreter) { -+#ifdef CONFIG_SPARC64 -+ load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << (PAGE_SHIFT+1); -+#else -+ load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << PAGE_SHIFT; -+#endif -+ load_bias = ELF_PAGESTART(PAX_ELF_ET_DYN_BASE - vaddr + load_bias); -+ elf_flags |= MAP_FIXED; -+ } -+#endif -+ -+ total_size = total_mapping_size(elf_phdata, loc->elf_ex.e_phnum); - if (!total_size) { - retval = -EINVAL; - goto out_free_dentry; -@@ -952,9 +1404,9 @@ static int load_elf_binary(struct linux_binprm *bprm) - * allowed task size. Note that p_filesz must always be - * <= p_memsz so it is only necessary to check p_memsz. - */ -- if (BAD_ADDR(k) || elf_ppnt->p_filesz > elf_ppnt->p_memsz || -- elf_ppnt->p_memsz > TASK_SIZE || -- TASK_SIZE - elf_ppnt->p_memsz < k) { -+ if (k >= pax_task_size || elf_ppnt->p_filesz > elf_ppnt->p_memsz || -+ elf_ppnt->p_memsz > pax_task_size || -+ pax_task_size - elf_ppnt->p_memsz < k) { - /* set_brk can never work. Avoid overflows. */ - retval = -EINVAL; - goto out_free_dentry; -@@ -990,16 +1442,43 @@ static int load_elf_binary(struct linux_binprm *bprm) - if (retval) - goto out_free_dentry; - if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) { -- retval = -EFAULT; /* Nobody gets to see this, but.. */ -- goto out_free_dentry; -+ /* -+ * This bss-zeroing can fail if the ELF -+ * file specifies odd protections. So -+ * we don't check the return value -+ */ - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) { -+ unsigned long start, size, flags; -+ vm_flags_t vm_flags; -+ -+ start = ELF_PAGEALIGN(elf_brk); -+ size = PAGE_SIZE + ((pax_get_random_long() & ((1UL << 22) - 1UL)) << 4); -+ flags = MAP_FIXED | MAP_PRIVATE; -+ vm_flags = VM_DONTEXPAND | VM_DONTDUMP; -+ -+ down_write(&current->mm->mmap_sem); -+ start = get_unmapped_area(NULL, start, PAGE_ALIGN(size), 0, flags); -+ retval = -ENOMEM; -+ if (!IS_ERR_VALUE(start) && !find_vma_intersection(current->mm, start, start + size + PAGE_SIZE)) { -+// if (current->personality & ADDR_NO_RANDOMIZE) -+// vm_flags |= VM_READ | VM_MAYREAD; -+ start = mmap_region(NULL, start, PAGE_ALIGN(size), vm_flags, 0); -+ retval = IS_ERR_VALUE(start) ? start : 0; -+ } -+ up_write(&current->mm->mmap_sem); -+ if (retval == 0) -+ retval = set_brk(start + size, start + size + PAGE_SIZE); -+ if (retval < 0) -+ goto out_free_dentry; -+ } -+#endif -+ - if (elf_interpreter) { -- unsigned long interp_map_addr = 0; -- - elf_entry = load_elf_interp(&loc->interp_elf_ex, - interpreter, -- &interp_map_addr, - load_bias, interp_elf_phdata); - if (!IS_ERR((void *)elf_entry)) { - /* -@@ -1050,6 +1529,7 @@ static int load_elf_binary(struct linux_binprm *bprm) - current->mm->end_data = end_data; - current->mm->start_stack = bprm->p; - -+#ifndef CONFIG_PAX_RANDMMAP - if ((current->flags & PF_RANDOMIZE) && (randomize_va_space > 1)) { - current->mm->brk = current->mm->start_brk = - arch_randomize_brk(current->mm); -@@ -1057,6 +1537,7 @@ static int load_elf_binary(struct linux_binprm *bprm) - current->brk_randomized = 1; - #endif - } -+#endif - - if (current->personality & MMAP_PAGE_ZERO) { - /* Why this, you ask??? Well SVr4 maps page 0 as read-only, -@@ -1225,7 +1706,7 @@ static bool always_dump_vma(struct vm_area_struct *vma) - * Decide what to dump of a segment, part, all or none. - */ - static unsigned long vma_dump_size(struct vm_area_struct *vma, -- unsigned long mm_flags) -+ unsigned long mm_flags, long signr) - { - #define FILTER(type) (mm_flags & (1UL << MMF_DUMP_##type)) - -@@ -1263,7 +1744,7 @@ static unsigned long vma_dump_size(struct vm_area_struct *vma, - if (vma->vm_file == NULL) - return 0; - -- if (FILTER(MAPPED_PRIVATE)) -+ if (signr == SIGKILL || FILTER(MAPPED_PRIVATE)) - goto whole; - - /* -@@ -1470,9 +1951,9 @@ static void fill_auxv_note(struct memelfnote *note, struct mm_struct *mm) - { - elf_addr_t *auxv = (elf_addr_t *) mm->saved_auxv; - int i = 0; -- do -+ do { - i += 2; -- while (auxv[i - 2] != AT_NULL); -+ } while (auxv[i - 2] != AT_NULL); - fill_note(note, "CORE", NT_AUXV, i * sizeof(elf_addr_t), auxv); - } - -@@ -1481,7 +1962,7 @@ static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata, - { - mm_segment_t old_fs = get_fs(); - set_fs(KERNEL_DS); -- copy_siginfo_to_user((user_siginfo_t __user *) csigdata, siginfo); -+ copy_siginfo_to_user((user_siginfo_t __force_user *) csigdata, siginfo); - set_fs(old_fs); - fill_note(note, "CORE", NT_SIGINFO, sizeof(*csigdata), csigdata); - } -@@ -2201,7 +2682,7 @@ static int elf_core_dump(struct coredump_params *cprm) - vma = next_vma(vma, gate_vma)) { - unsigned long dump_size; - -- dump_size = vma_dump_size(vma, cprm->mm_flags); -+ dump_size = vma_dump_size(vma, cprm->mm_flags, cprm->siginfo->si_signo); - vma_filesz[i++] = dump_size; - vma_data_size += dump_size; - } -@@ -2309,6 +2790,167 @@ out: - - #endif /* CONFIG_ELF_CORE */ - -+#ifdef CONFIG_PAX_MPROTECT -+/* PaX: non-PIC ELF libraries need relocations on their executable segments -+ * therefore we'll grant them VM_MAYWRITE once during their life. Similarly -+ * we'll remove VM_MAYWRITE for good on RELRO segments. -+ * -+ * The checks favour ld-linux.so behaviour which operates on a per ELF segment -+ * basis because we want to allow the common case and not the special ones. -+ */ -+static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags) -+{ -+ struct elfhdr elf_h; -+ struct elf_phdr elf_p; -+ unsigned long i; -+ unsigned long oldflags; -+ bool is_textrel_rw, is_textrel_rx, is_relro; -+ -+ if (!(vma->vm_mm->pax_flags & MF_PAX_MPROTECT) || !vma->vm_file) -+ return; -+ -+ oldflags = vma->vm_flags & (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ); -+ newflags &= VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ; -+ -+#ifdef CONFIG_PAX_ELFRELOCS -+ /* possible TEXTREL */ -+ is_textrel_rw = !vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYREAD | VM_EXEC | VM_READ) && newflags == (VM_WRITE | VM_READ); -+ is_textrel_rx = vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_WRITE | VM_READ) && newflags == (VM_EXEC | VM_READ); -+#else -+ is_textrel_rw = false; -+ is_textrel_rx = false; -+#endif -+ -+ /* possible RELRO */ -+ is_relro = vma->anon_vma && oldflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ) && newflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ); -+ -+ if (!is_textrel_rw && !is_textrel_rx && !is_relro) -+ return; -+ -+ if (sizeof(elf_h) != kernel_read(vma->vm_file, 0UL, (char *)&elf_h, sizeof(elf_h)) || -+ memcmp(elf_h.e_ident, ELFMAG, SELFMAG) || -+ -+#ifdef CONFIG_PAX_ETEXECRELOCS -+ ((is_textrel_rw || is_textrel_rx) && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) || -+#else -+ ((is_textrel_rw || is_textrel_rx) && elf_h.e_type != ET_DYN) || -+#endif -+ -+ (is_relro && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) || -+ !elf_check_arch(&elf_h) || -+ elf_h.e_phentsize != sizeof(struct elf_phdr) || -+ elf_h.e_phnum > 65536UL / sizeof(struct elf_phdr)) -+ return; -+ -+ for (i = 0UL; i < elf_h.e_phnum; i++) { -+ if (sizeof(elf_p) != kernel_read(vma->vm_file, elf_h.e_phoff + i*sizeof(elf_p), (char *)&elf_p, sizeof(elf_p))) -+ return; -+ switch (elf_p.p_type) { -+ case PT_DYNAMIC: -+ if (!is_textrel_rw && !is_textrel_rx) -+ continue; -+ i = 0UL; -+ while ((i+1) * sizeof(elf_dyn) <= elf_p.p_filesz) { -+ elf_dyn dyn; -+ -+ if (sizeof(dyn) != kernel_read(vma->vm_file, elf_p.p_offset + i*sizeof(dyn), (char *)&dyn, sizeof(dyn))) -+ break; -+ if (dyn.d_tag == DT_NULL) -+ break; -+ if (dyn.d_tag == DT_TEXTREL || (dyn.d_tag == DT_FLAGS && (dyn.d_un.d_val & DF_TEXTREL))) { -+ gr_log_textrel(vma); -+ if (is_textrel_rw) -+ vma->vm_flags |= VM_MAYWRITE; -+ else -+ /* PaX: disallow write access after relocs are done, hopefully noone else needs it... */ -+ vma->vm_flags &= ~VM_MAYWRITE; -+ break; -+ } -+ i++; -+ } -+ is_textrel_rw = false; -+ is_textrel_rx = false; -+ continue; -+ -+ case PT_GNU_RELRO: -+ if (!is_relro) -+ continue; -+ if ((elf_p.p_offset >> PAGE_SHIFT) == vma->vm_pgoff && ELF_PAGEALIGN(elf_p.p_memsz) == vma->vm_end - vma->vm_start) -+ vma->vm_flags &= ~VM_MAYWRITE; -+ is_relro = false; -+ continue; -+ -+#ifdef CONFIG_PAX_PT_PAX_FLAGS -+ case PT_PAX_FLAGS: { -+ const char *msg_mprotect = "", *msg_emutramp = ""; -+ char *buffer_lib, *buffer_exe; -+ -+ if (elf_p.p_flags & PF_NOMPROTECT) -+ msg_mprotect = "MPROTECT disabled"; -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if (!(vma->vm_mm->pax_flags & MF_PAX_EMUTRAMP) && !(elf_p.p_flags & PF_NOEMUTRAMP)) -+ msg_emutramp = "EMUTRAMP enabled"; -+#endif -+ -+ if (!msg_mprotect[0] && !msg_emutramp[0]) -+ continue; -+ -+ if (!printk_ratelimit()) -+ continue; -+ -+ buffer_lib = (char *)__get_free_page(GFP_KERNEL); -+ buffer_exe = (char *)__get_free_page(GFP_KERNEL); -+ if (buffer_lib && buffer_exe) { -+ char *path_lib, *path_exe; -+ -+ path_lib = pax_get_path(&vma->vm_file->f_path, buffer_lib, PAGE_SIZE); -+ path_exe = pax_get_path(&vma->vm_mm->exe_file->f_path, buffer_exe, PAGE_SIZE); -+ -+ pr_info("PAX: %s wants %s%s%s on %s\n", path_lib, msg_mprotect, -+ (msg_mprotect[0] && msg_emutramp[0] ? " and " : ""), msg_emutramp, path_exe); -+ -+ } -+ free_page((unsigned long)buffer_exe); -+ free_page((unsigned long)buffer_lib); -+ continue; -+ } -+#endif -+ -+ } -+ } -+} -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ -+extern int grsec_enable_log_rwxmaps; -+ -+static void elf_handle_mmap(struct file *file) -+{ -+ struct elfhdr elf_h; -+ struct elf_phdr elf_p; -+ unsigned long i; -+ -+ if (!grsec_enable_log_rwxmaps) -+ return; -+ -+ if (sizeof(elf_h) != kernel_read(file, 0UL, (char *)&elf_h, sizeof(elf_h)) || -+ memcmp(elf_h.e_ident, ELFMAG, SELFMAG) || -+ (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC) || !elf_check_arch(&elf_h) || -+ elf_h.e_phentsize != sizeof(struct elf_phdr) || -+ elf_h.e_phnum > 65536UL / sizeof(struct elf_phdr)) -+ return; -+ -+ for (i = 0UL; i < elf_h.e_phnum; i++) { -+ if (sizeof(elf_p) != kernel_read(file, elf_h.e_phoff + i*sizeof(elf_p), (char *)&elf_p, sizeof(elf_p))) -+ return; -+ if (elf_p.p_type == PT_GNU_STACK && (elf_p.p_flags & PF_X)) -+ gr_log_ptgnustack(file); -+ } -+} -+#endif -+ - static int __init init_elf_binfmt(void) - { - register_binfmt(&elf_format); -diff --git a/fs/block_dev.c b/fs/block_dev.c -index c7e4163..6939003 100644 ---- a/fs/block_dev.c -+++ b/fs/block_dev.c -@@ -732,7 +732,7 @@ static bool bd_may_claim(struct block_device *bdev, struct block_device *whole, - else if (bdev->bd_contains == bdev) - return true; /* is a whole device which isn't held */ - -- else if (whole->bd_holder == bd_may_claim) -+ else if (whole->bd_holder == (void *)bd_may_claim) - return true; /* is a partition of a device that is being partitioned */ - else if (whole->bd_holder != NULL) - return false; /* is a partition of a held device */ -diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c -index 0f11ebc..1bf3321 100644 ---- a/fs/btrfs/ctree.c -+++ b/fs/btrfs/ctree.c -@@ -1180,9 +1180,12 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, - free_extent_buffer(buf); - add_root_to_dirty_list(root); - } else { -- if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) -- parent_start = parent->start; -- else -+ if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) { -+ if (parent) -+ parent_start = parent->start; -+ else -+ parent_start = 0; -+ } else - parent_start = 0; - - WARN_ON(trans->transid != btrfs_header_generation(parent)); -diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c -index a2ae427..53c2e98 100644 ---- a/fs/btrfs/delayed-inode.c -+++ b/fs/btrfs/delayed-inode.c -@@ -462,7 +462,7 @@ static int __btrfs_add_delayed_deletion_item(struct btrfs_delayed_node *node, - - static void finish_one_item(struct btrfs_delayed_root *delayed_root) - { -- int seq = atomic_inc_return(&delayed_root->items_seq); -+ int seq = atomic_inc_return_unchecked(&delayed_root->items_seq); - if ((atomic_dec_return(&delayed_root->items) < - BTRFS_DELAYED_BACKGROUND || seq % BTRFS_DELAYED_BATCH == 0) && - waitqueue_active(&delayed_root->wait)) -@@ -1412,7 +1412,7 @@ void btrfs_assert_delayed_root_empty(struct btrfs_root *root) - - static int could_end_wait(struct btrfs_delayed_root *delayed_root, int seq) - { -- int val = atomic_read(&delayed_root->items_seq); -+ int val = atomic_read_unchecked(&delayed_root->items_seq); - - if (val < seq || val >= seq + BTRFS_DELAYED_BATCH) - return 1; -@@ -1437,7 +1437,7 @@ void btrfs_balance_delayed_items(struct btrfs_root *root) - int seq; - int ret; - -- seq = atomic_read(&delayed_root->items_seq); -+ seq = atomic_read_unchecked(&delayed_root->items_seq); - - ret = btrfs_wq_run_delayed_node(delayed_root, fs_info, 0); - if (ret) -diff --git a/fs/btrfs/delayed-inode.h b/fs/btrfs/delayed-inode.h -index f70119f..ab5894d 100644 ---- a/fs/btrfs/delayed-inode.h -+++ b/fs/btrfs/delayed-inode.h -@@ -43,7 +43,7 @@ struct btrfs_delayed_root { - */ - struct list_head prepare_list; - atomic_t items; /* for delayed items */ -- atomic_t items_seq; /* for delayed items */ -+ atomic_unchecked_t items_seq; /* for delayed items */ - int nodes; /* for delayed nodes */ - wait_queue_head_t wait; - }; -@@ -90,7 +90,7 @@ static inline void btrfs_init_delayed_root( - struct btrfs_delayed_root *delayed_root) - { - atomic_set(&delayed_root->items, 0); -- atomic_set(&delayed_root->items_seq, 0); -+ atomic_set_unchecked(&delayed_root->items_seq, 0); - delayed_root->nodes = 0; - spin_lock_init(&delayed_root->lock); - init_waitqueue_head(&delayed_root->wait); -diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c -index 9e66f5e..f7caaf0 100644 ---- a/fs/btrfs/super.c -+++ b/fs/btrfs/super.c -@@ -271,7 +271,7 @@ void __btrfs_abort_transaction(struct btrfs_trans_handle *trans, - function, line, errstr); - return; - } -- ACCESS_ONCE(trans->transaction->aborted) = errno; -+ ACCESS_ONCE_RW(trans->transaction->aborted) = errno; - /* Wake up anybody who may be waiting on this transaction */ - wake_up(&root->fs_info->transaction_wait); - wake_up(&root->fs_info->transaction_blocked_wait); -diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c -index e8a4c86..f8c22ae 100644 ---- a/fs/btrfs/sysfs.c -+++ b/fs/btrfs/sysfs.c -@@ -472,7 +472,7 @@ static int addrm_unknown_feature_attrs(struct btrfs_fs_info *fs_info, bool add) - for (set = 0; set < FEAT_MAX; set++) { - int i; - struct attribute *attrs[2]; -- struct attribute_group agroup = { -+ attribute_group_no_const agroup = { - .name = "features", - .attrs = attrs, - }; -diff --git a/fs/btrfs/tests/free-space-tests.c b/fs/btrfs/tests/free-space-tests.c -index 2299bfd..4098e72 100644 ---- a/fs/btrfs/tests/free-space-tests.c -+++ b/fs/btrfs/tests/free-space-tests.c -@@ -463,7 +463,9 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache) - * extent entry. - */ - use_bitmap_op = cache->free_space_ctl->op->use_bitmap; -- cache->free_space_ctl->op->use_bitmap = test_use_bitmap; -+ pax_open_kernel(); -+ *(void **)&cache->free_space_ctl->op->use_bitmap = test_use_bitmap; -+ pax_close_kernel(); - - /* - * Extent entry covering free space range [128Mb - 256Kb, 128Mb - 128Kb[ -@@ -870,7 +872,9 @@ test_steal_space_from_bitmap_to_extent(struct btrfs_block_group_cache *cache) - if (ret) - return ret; - -- cache->free_space_ctl->op->use_bitmap = use_bitmap_op; -+ pax_open_kernel(); -+ *(void **)&cache->free_space_ctl->op->use_bitmap = use_bitmap_op; -+ pax_close_kernel(); - __btrfs_remove_free_space_cache(cache->free_space_ctl); - - return 0; -diff --git a/fs/btrfs/tree-log.h b/fs/btrfs/tree-log.h -index 6916a78..4598936 100644 ---- a/fs/btrfs/tree-log.h -+++ b/fs/btrfs/tree-log.h -@@ -45,7 +45,7 @@ static inline void btrfs_init_log_ctx(struct btrfs_log_ctx *ctx) - static inline void btrfs_set_log_full_commit(struct btrfs_fs_info *fs_info, - struct btrfs_trans_handle *trans) - { -- ACCESS_ONCE(fs_info->last_trans_log_full_commit) = trans->transid; -+ ACCESS_ONCE_RW(fs_info->last_trans_log_full_commit) = trans->transid; - } - - static inline int btrfs_need_log_full_commit(struct btrfs_fs_info *fs_info, -diff --git a/fs/buffer.c b/fs/buffer.c -index c7a5602..18eabd1 100644 ---- a/fs/buffer.c -+++ b/fs/buffer.c -@@ -3417,7 +3417,7 @@ void __init buffer_init(void) - bh_cachep = kmem_cache_create("buffer_head", - sizeof(struct buffer_head), 0, - (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC| -- SLAB_MEM_SPREAD), -+ SLAB_MEM_SPREAD|SLAB_NO_SANITIZE), - NULL); - - /* -diff --git a/fs/cachefiles/bind.c b/fs/cachefiles/bind.c -index 6af790f..ec4c1e6 100644 ---- a/fs/cachefiles/bind.c -+++ b/fs/cachefiles/bind.c -@@ -39,13 +39,11 @@ int cachefiles_daemon_bind(struct cachefiles_cache *cache, char *args) - args); - - /* start by checking things over */ -- ASSERT(cache->fstop_percent >= 0 && -- cache->fstop_percent < cache->fcull_percent && -+ ASSERT(cache->fstop_percent < cache->fcull_percent && - cache->fcull_percent < cache->frun_percent && - cache->frun_percent < 100); - -- ASSERT(cache->bstop_percent >= 0 && -- cache->bstop_percent < cache->bcull_percent && -+ ASSERT(cache->bstop_percent < cache->bcull_percent && - cache->bcull_percent < cache->brun_percent && - cache->brun_percent < 100); - -diff --git a/fs/cachefiles/daemon.c b/fs/cachefiles/daemon.c -index f601def..b2cf704 100644 ---- a/fs/cachefiles/daemon.c -+++ b/fs/cachefiles/daemon.c -@@ -196,7 +196,7 @@ static ssize_t cachefiles_daemon_read(struct file *file, char __user *_buffer, - if (n > buflen) - return -EMSGSIZE; - -- if (copy_to_user(_buffer, buffer, n) != 0) -+ if (n > sizeof(buffer) || copy_to_user(_buffer, buffer, n) != 0) - return -EFAULT; - - return n; -@@ -222,7 +222,7 @@ static ssize_t cachefiles_daemon_write(struct file *file, - if (test_bit(CACHEFILES_DEAD, &cache->flags)) - return -EIO; - -- if (datalen < 0 || datalen > PAGE_SIZE - 1) -+ if (datalen > PAGE_SIZE - 1) - return -EOPNOTSUPP; - - /* drag the command string into the kernel so we can parse it */ -@@ -385,7 +385,7 @@ static int cachefiles_daemon_fstop(struct cachefiles_cache *cache, char *args) - if (args[0] != '%' || args[1] != '\0') - return -EINVAL; - -- if (fstop < 0 || fstop >= cache->fcull_percent) -+ if (fstop >= cache->fcull_percent) - return cachefiles_daemon_range_error(cache, args); - - cache->fstop_percent = fstop; -@@ -457,7 +457,7 @@ static int cachefiles_daemon_bstop(struct cachefiles_cache *cache, char *args) - if (args[0] != '%' || args[1] != '\0') - return -EINVAL; - -- if (bstop < 0 || bstop >= cache->bcull_percent) -+ if (bstop >= cache->bcull_percent) - return cachefiles_daemon_range_error(cache, args); - - cache->bstop_percent = bstop; -diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h -index 8c52472..c4e3a69 100644 ---- a/fs/cachefiles/internal.h -+++ b/fs/cachefiles/internal.h -@@ -66,7 +66,7 @@ struct cachefiles_cache { - wait_queue_head_t daemon_pollwq; /* poll waitqueue for daemon */ - struct rb_root active_nodes; /* active nodes (can't be culled) */ - rwlock_t active_lock; /* lock for active_nodes */ -- atomic_t gravecounter; /* graveyard uniquifier */ -+ atomic_unchecked_t gravecounter; /* graveyard uniquifier */ - unsigned frun_percent; /* when to stop culling (% files) */ - unsigned fcull_percent; /* when to start culling (% files) */ - unsigned fstop_percent; /* when to stop allocating (% files) */ -@@ -178,19 +178,19 @@ extern int cachefiles_check_in_use(struct cachefiles_cache *cache, - * proc.c - */ - #ifdef CONFIG_CACHEFILES_HISTOGRAM --extern atomic_t cachefiles_lookup_histogram[HZ]; --extern atomic_t cachefiles_mkdir_histogram[HZ]; --extern atomic_t cachefiles_create_histogram[HZ]; -+extern atomic_unchecked_t cachefiles_lookup_histogram[HZ]; -+extern atomic_unchecked_t cachefiles_mkdir_histogram[HZ]; -+extern atomic_unchecked_t cachefiles_create_histogram[HZ]; - - extern int __init cachefiles_proc_init(void); - extern void cachefiles_proc_cleanup(void); - static inline --void cachefiles_hist(atomic_t histogram[], unsigned long start_jif) -+void cachefiles_hist(atomic_unchecked_t histogram[], unsigned long start_jif) - { - unsigned long jif = jiffies - start_jif; - if (jif >= HZ) - jif = HZ - 1; -- atomic_inc(&histogram[jif]); -+ atomic_inc_unchecked(&histogram[jif]); - } - - #else -diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c -index ab857ab..ff8d593 100644 ---- a/fs/cachefiles/namei.c -+++ b/fs/cachefiles/namei.c -@@ -309,7 +309,7 @@ try_again: - /* first step is to make up a grave dentry in the graveyard */ - sprintf(nbuffer, "%08x%08x", - (uint32_t) get_seconds(), -- (uint32_t) atomic_inc_return(&cache->gravecounter)); -+ (uint32_t) atomic_inc_return_unchecked(&cache->gravecounter)); - - /* do the multiway lock magic */ - trap = lock_rename(cache->graveyard, dir); -diff --git a/fs/cachefiles/proc.c b/fs/cachefiles/proc.c -index eccd339..4c1d995 100644 ---- a/fs/cachefiles/proc.c -+++ b/fs/cachefiles/proc.c -@@ -14,9 +14,9 @@ - #include <linux/seq_file.h> - #include "internal.h" - --atomic_t cachefiles_lookup_histogram[HZ]; --atomic_t cachefiles_mkdir_histogram[HZ]; --atomic_t cachefiles_create_histogram[HZ]; -+atomic_unchecked_t cachefiles_lookup_histogram[HZ]; -+atomic_unchecked_t cachefiles_mkdir_histogram[HZ]; -+atomic_unchecked_t cachefiles_create_histogram[HZ]; - - /* - * display the latency histogram -@@ -35,9 +35,9 @@ static int cachefiles_histogram_show(struct seq_file *m, void *v) - return 0; - default: - index = (unsigned long) v - 3; -- x = atomic_read(&cachefiles_lookup_histogram[index]); -- y = atomic_read(&cachefiles_mkdir_histogram[index]); -- z = atomic_read(&cachefiles_create_histogram[index]); -+ x = atomic_read_unchecked(&cachefiles_lookup_histogram[index]); -+ y = atomic_read_unchecked(&cachefiles_mkdir_histogram[index]); -+ z = atomic_read_unchecked(&cachefiles_create_histogram[index]); - if (x == 0 && y == 0 && z == 0) - return 0; - -diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c -index 4248307..f41e44e 100644 ---- a/fs/ceph/dir.c -+++ b/fs/ceph/dir.c -@@ -127,6 +127,8 @@ static int __dcache_readdir(struct file *file, struct dir_context *ctx, - struct dentry *dentry, *last; - struct ceph_dentry_info *di; - int err = 0; -+ char d_name[DNAME_INLINE_LEN]; -+ const unsigned char *name; - - /* claim ref on last dentry we returned */ - last = fi->dentry; -@@ -190,7 +192,12 @@ more: - - dout(" %llu (%llu) dentry %p %pd %p\n", di->offset, ctx->pos, - dentry, dentry, d_inode(dentry)); -- if (!dir_emit(ctx, dentry->d_name.name, -+ name = dentry->d_name.name; -+ if (name == dentry->d_iname) { -+ memcpy(d_name, name, dentry->d_name.len); -+ name = d_name; -+ } -+ if (!dir_emit(ctx, name, - dentry->d_name.len, - ceph_translate_ino(dentry->d_sb, d_inode(dentry)->i_ino), - d_inode(dentry)->i_mode >> 12)) { -@@ -248,7 +255,7 @@ static int ceph_readdir(struct file *file, struct dir_context *ctx) - struct ceph_fs_client *fsc = ceph_inode_to_client(inode); - struct ceph_mds_client *mdsc = fsc->mdsc; - unsigned frag = fpos_frag(ctx->pos); -- int off = fpos_off(ctx->pos); -+ unsigned int off = fpos_off(ctx->pos); - int err; - u32 ftype; - struct ceph_mds_reply_info_parsed *rinfo; -diff --git a/fs/ceph/super.c b/fs/ceph/super.c -index 4e99053..a7e2a5f 100644 ---- a/fs/ceph/super.c -+++ b/fs/ceph/super.c -@@ -885,7 +885,7 @@ static int ceph_compare_super(struct super_block *sb, void *data) - /* - * construct our own bdi so we can control readahead, etc. - */ --static atomic_long_t bdi_seq = ATOMIC_LONG_INIT(0); -+static atomic_long_unchecked_t bdi_seq = ATOMIC_LONG_INIT(0); - - static int ceph_register_bdi(struct super_block *sb, - struct ceph_fs_client *fsc) -@@ -902,7 +902,7 @@ static int ceph_register_bdi(struct super_block *sb, - VM_MAX_READAHEAD * 1024 / PAGE_CACHE_SIZE; - - err = bdi_register(&fsc->backing_dev_info, NULL, "ceph-%ld", -- atomic_long_inc_return(&bdi_seq)); -+ atomic_long_inc_return_unchecked(&bdi_seq)); - if (!err) - sb->s_bdi = &fsc->backing_dev_info; - return err; -diff --git a/fs/cifs/cifs_debug.c b/fs/cifs/cifs_debug.c -index 7febcf2..62a5721 100644 ---- a/fs/cifs/cifs_debug.c -+++ b/fs/cifs/cifs_debug.c -@@ -269,8 +269,8 @@ static ssize_t cifs_stats_proc_write(struct file *file, - - if (strtobool(&c, &bv) == 0) { - #ifdef CONFIG_CIFS_STATS2 -- atomic_set(&totBufAllocCount, 0); -- atomic_set(&totSmBufAllocCount, 0); -+ atomic_set_unchecked(&totBufAllocCount, 0); -+ atomic_set_unchecked(&totSmBufAllocCount, 0); - #endif /* CONFIG_CIFS_STATS2 */ - spin_lock(&cifs_tcp_ses_lock); - list_for_each(tmp1, &cifs_tcp_ses_list) { -@@ -283,7 +283,7 @@ static ssize_t cifs_stats_proc_write(struct file *file, - tcon = list_entry(tmp3, - struct cifs_tcon, - tcon_list); -- atomic_set(&tcon->num_smbs_sent, 0); -+ atomic_set_unchecked(&tcon->num_smbs_sent, 0); - if (server->ops->clear_stats) - server->ops->clear_stats(tcon); - } -@@ -315,8 +315,8 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v) - smBufAllocCount.counter, cifs_min_small); - #ifdef CONFIG_CIFS_STATS2 - seq_printf(m, "Total Large %d Small %d Allocations\n", -- atomic_read(&totBufAllocCount), -- atomic_read(&totSmBufAllocCount)); -+ atomic_read_unchecked(&totBufAllocCount), -+ atomic_read_unchecked(&totSmBufAllocCount)); - #endif /* CONFIG_CIFS_STATS2 */ - - seq_printf(m, "Operations (MIDs): %d\n", atomic_read(&midCount)); -@@ -345,7 +345,7 @@ static int cifs_stats_proc_show(struct seq_file *m, void *v) - if (tcon->need_reconnect) - seq_puts(m, "\tDISCONNECTED "); - seq_printf(m, "\nSMBs: %d", -- atomic_read(&tcon->num_smbs_sent)); -+ atomic_read_unchecked(&tcon->num_smbs_sent)); - if (server->ops->print_stats) - server->ops->print_stats(m, tcon); - } -diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c -index 0a9fb6b..9def7fa 100644 ---- a/fs/cifs/cifsfs.c -+++ b/fs/cifs/cifsfs.c -@@ -1082,7 +1082,7 @@ cifs_init_request_bufs(void) - */ - cifs_req_cachep = kmem_cache_create("cifs_request", - CIFSMaxBufSize + max_hdr_size, 0, -- SLAB_HWCACHE_ALIGN, NULL); -+ SLAB_HWCACHE_ALIGN | SLAB_USERCOPY, NULL); - if (cifs_req_cachep == NULL) - return -ENOMEM; - -@@ -1109,7 +1109,7 @@ cifs_init_request_bufs(void) - efficient to alloc 1 per page off the slab compared to 17K (5page) - alloc of large cifs buffers even when page debugging is on */ - cifs_sm_req_cachep = kmem_cache_create("cifs_small_rq", -- MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN, -+ MAX_CIFS_SMALL_BUFFER_SIZE, 0, SLAB_HWCACHE_ALIGN | SLAB_USERCOPY, - NULL); - if (cifs_sm_req_cachep == NULL) { - mempool_destroy(cifs_req_poolp); -@@ -1194,8 +1194,8 @@ init_cifs(void) - atomic_set(&bufAllocCount, 0); - atomic_set(&smBufAllocCount, 0); - #ifdef CONFIG_CIFS_STATS2 -- atomic_set(&totBufAllocCount, 0); -- atomic_set(&totSmBufAllocCount, 0); -+ atomic_set_unchecked(&totBufAllocCount, 0); -+ atomic_set_unchecked(&totSmBufAllocCount, 0); - #endif /* CONFIG_CIFS_STATS2 */ - - atomic_set(&midCount, 0); -diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h -index 22b289a..bbbba082 100644 ---- a/fs/cifs/cifsglob.h -+++ b/fs/cifs/cifsglob.h -@@ -823,35 +823,35 @@ struct cifs_tcon { - __u16 Flags; /* optional support bits */ - enum statusEnum tidStatus; - #ifdef CONFIG_CIFS_STATS -- atomic_t num_smbs_sent; -+ atomic_unchecked_t num_smbs_sent; - union { - struct { -- atomic_t num_writes; -- atomic_t num_reads; -- atomic_t num_flushes; -- atomic_t num_oplock_brks; -- atomic_t num_opens; -- atomic_t num_closes; -- atomic_t num_deletes; -- atomic_t num_mkdirs; -- atomic_t num_posixopens; -- atomic_t num_posixmkdirs; -- atomic_t num_rmdirs; -- atomic_t num_renames; -- atomic_t num_t2renames; -- atomic_t num_ffirst; -- atomic_t num_fnext; -- atomic_t num_fclose; -- atomic_t num_hardlinks; -- atomic_t num_symlinks; -- atomic_t num_locks; -- atomic_t num_acl_get; -- atomic_t num_acl_set; -+ atomic_unchecked_t num_writes; -+ atomic_unchecked_t num_reads; -+ atomic_unchecked_t num_flushes; -+ atomic_unchecked_t num_oplock_brks; -+ atomic_unchecked_t num_opens; -+ atomic_unchecked_t num_closes; -+ atomic_unchecked_t num_deletes; -+ atomic_unchecked_t num_mkdirs; -+ atomic_unchecked_t num_posixopens; -+ atomic_unchecked_t num_posixmkdirs; -+ atomic_unchecked_t num_rmdirs; -+ atomic_unchecked_t num_renames; -+ atomic_unchecked_t num_t2renames; -+ atomic_unchecked_t num_ffirst; -+ atomic_unchecked_t num_fnext; -+ atomic_unchecked_t num_fclose; -+ atomic_unchecked_t num_hardlinks; -+ atomic_unchecked_t num_symlinks; -+ atomic_unchecked_t num_locks; -+ atomic_unchecked_t num_acl_get; -+ atomic_unchecked_t num_acl_set; - } cifs_stats; - #ifdef CONFIG_CIFS_SMB2 - struct { -- atomic_t smb2_com_sent[NUMBER_OF_SMB2_COMMANDS]; -- atomic_t smb2_com_failed[NUMBER_OF_SMB2_COMMANDS]; -+ atomic_unchecked_t smb2_com_sent[NUMBER_OF_SMB2_COMMANDS]; -+ atomic_unchecked_t smb2_com_failed[NUMBER_OF_SMB2_COMMANDS]; - } smb2_stats; - #endif /* CONFIG_CIFS_SMB2 */ - } stats; -@@ -1198,7 +1198,7 @@ convert_delimiter(char *path, char delim) - } - - #ifdef CONFIG_CIFS_STATS --#define cifs_stats_inc atomic_inc -+#define cifs_stats_inc atomic_inc_unchecked - - static inline void cifs_stats_bytes_written(struct cifs_tcon *tcon, - unsigned int bytes) -@@ -1565,8 +1565,8 @@ GLOBAL_EXTERN atomic_t tconInfoReconnectCount; - /* Various Debug counters */ - GLOBAL_EXTERN atomic_t bufAllocCount; /* current number allocated */ - #ifdef CONFIG_CIFS_STATS2 --GLOBAL_EXTERN atomic_t totBufAllocCount; /* total allocated over all time */ --GLOBAL_EXTERN atomic_t totSmBufAllocCount; -+GLOBAL_EXTERN atomic_unchecked_t totBufAllocCount; /* total allocated over all time */ -+GLOBAL_EXTERN atomic_unchecked_t totSmBufAllocCount; - #endif - GLOBAL_EXTERN atomic_t smBufAllocCount; - GLOBAL_EXTERN atomic_t midCount; -diff --git a/fs/cifs/file.c b/fs/cifs/file.c -index 3f50cee..7741620 100644 ---- a/fs/cifs/file.c -+++ b/fs/cifs/file.c -@@ -2054,10 +2054,14 @@ static int cifs_writepages(struct address_space *mapping, - index = mapping->writeback_index; /* Start from prev offset */ - end = -1; - } else { -- index = wbc->range_start >> PAGE_CACHE_SHIFT; -- end = wbc->range_end >> PAGE_CACHE_SHIFT; -- if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) -+ if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX) { - range_whole = true; -+ index = 0; -+ end = ULONG_MAX; -+ } else { -+ index = wbc->range_start >> PAGE_CACHE_SHIFT; -+ end = wbc->range_end >> PAGE_CACHE_SHIFT; -+ } - scanned = true; - } - server = cifs_sb_master_tcon(cifs_sb)->ses->server; -diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c -index 8442b8b..ea6986f 100644 ---- a/fs/cifs/misc.c -+++ b/fs/cifs/misc.c -@@ -170,7 +170,7 @@ cifs_buf_get(void) - memset(ret_buf, 0, buf_size + 3); - atomic_inc(&bufAllocCount); - #ifdef CONFIG_CIFS_STATS2 -- atomic_inc(&totBufAllocCount); -+ atomic_inc_unchecked(&totBufAllocCount); - #endif /* CONFIG_CIFS_STATS2 */ - } - -@@ -205,7 +205,7 @@ cifs_small_buf_get(void) - /* memset(ret_buf, 0, sizeof(struct smb_hdr) + 27);*/ - atomic_inc(&smBufAllocCount); - #ifdef CONFIG_CIFS_STATS2 -- atomic_inc(&totSmBufAllocCount); -+ atomic_inc_unchecked(&totSmBufAllocCount); - #endif /* CONFIG_CIFS_STATS2 */ - - } -diff --git a/fs/cifs/smb1ops.c b/fs/cifs/smb1ops.c -index fc537c2..47d654c 100644 ---- a/fs/cifs/smb1ops.c -+++ b/fs/cifs/smb1ops.c -@@ -622,27 +622,27 @@ static void - cifs_clear_stats(struct cifs_tcon *tcon) - { - #ifdef CONFIG_CIFS_STATS -- atomic_set(&tcon->stats.cifs_stats.num_writes, 0); -- atomic_set(&tcon->stats.cifs_stats.num_reads, 0); -- atomic_set(&tcon->stats.cifs_stats.num_flushes, 0); -- atomic_set(&tcon->stats.cifs_stats.num_oplock_brks, 0); -- atomic_set(&tcon->stats.cifs_stats.num_opens, 0); -- atomic_set(&tcon->stats.cifs_stats.num_posixopens, 0); -- atomic_set(&tcon->stats.cifs_stats.num_posixmkdirs, 0); -- atomic_set(&tcon->stats.cifs_stats.num_closes, 0); -- atomic_set(&tcon->stats.cifs_stats.num_deletes, 0); -- atomic_set(&tcon->stats.cifs_stats.num_mkdirs, 0); -- atomic_set(&tcon->stats.cifs_stats.num_rmdirs, 0); -- atomic_set(&tcon->stats.cifs_stats.num_renames, 0); -- atomic_set(&tcon->stats.cifs_stats.num_t2renames, 0); -- atomic_set(&tcon->stats.cifs_stats.num_ffirst, 0); -- atomic_set(&tcon->stats.cifs_stats.num_fnext, 0); -- atomic_set(&tcon->stats.cifs_stats.num_fclose, 0); -- atomic_set(&tcon->stats.cifs_stats.num_hardlinks, 0); -- atomic_set(&tcon->stats.cifs_stats.num_symlinks, 0); -- atomic_set(&tcon->stats.cifs_stats.num_locks, 0); -- atomic_set(&tcon->stats.cifs_stats.num_acl_get, 0); -- atomic_set(&tcon->stats.cifs_stats.num_acl_set, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_writes, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_reads, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_flushes, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_oplock_brks, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_opens, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_posixopens, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_posixmkdirs, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_closes, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_deletes, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_mkdirs, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_rmdirs, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_renames, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_t2renames, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_ffirst, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_fnext, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_fclose, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_hardlinks, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_symlinks, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_locks, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_acl_get, 0); -+ atomic_set_unchecked(&tcon->stats.cifs_stats.num_acl_set, 0); - #endif - } - -@@ -651,36 +651,36 @@ cifs_print_stats(struct seq_file *m, struct cifs_tcon *tcon) - { - #ifdef CONFIG_CIFS_STATS - seq_printf(m, " Oplocks breaks: %d", -- atomic_read(&tcon->stats.cifs_stats.num_oplock_brks)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_oplock_brks)); - seq_printf(m, "\nReads: %d Bytes: %llu", -- atomic_read(&tcon->stats.cifs_stats.num_reads), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_reads), - (long long)(tcon->bytes_read)); - seq_printf(m, "\nWrites: %d Bytes: %llu", -- atomic_read(&tcon->stats.cifs_stats.num_writes), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_writes), - (long long)(tcon->bytes_written)); - seq_printf(m, "\nFlushes: %d", -- atomic_read(&tcon->stats.cifs_stats.num_flushes)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_flushes)); - seq_printf(m, "\nLocks: %d HardLinks: %d Symlinks: %d", -- atomic_read(&tcon->stats.cifs_stats.num_locks), -- atomic_read(&tcon->stats.cifs_stats.num_hardlinks), -- atomic_read(&tcon->stats.cifs_stats.num_symlinks)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_locks), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_hardlinks), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_symlinks)); - seq_printf(m, "\nOpens: %d Closes: %d Deletes: %d", -- atomic_read(&tcon->stats.cifs_stats.num_opens), -- atomic_read(&tcon->stats.cifs_stats.num_closes), -- atomic_read(&tcon->stats.cifs_stats.num_deletes)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_opens), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_closes), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_deletes)); - seq_printf(m, "\nPosix Opens: %d Posix Mkdirs: %d", -- atomic_read(&tcon->stats.cifs_stats.num_posixopens), -- atomic_read(&tcon->stats.cifs_stats.num_posixmkdirs)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_posixopens), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_posixmkdirs)); - seq_printf(m, "\nMkdirs: %d Rmdirs: %d", -- atomic_read(&tcon->stats.cifs_stats.num_mkdirs), -- atomic_read(&tcon->stats.cifs_stats.num_rmdirs)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_mkdirs), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_rmdirs)); - seq_printf(m, "\nRenames: %d T2 Renames %d", -- atomic_read(&tcon->stats.cifs_stats.num_renames), -- atomic_read(&tcon->stats.cifs_stats.num_t2renames)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_renames), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_t2renames)); - seq_printf(m, "\nFindFirst: %d FNext %d FClose %d", -- atomic_read(&tcon->stats.cifs_stats.num_ffirst), -- atomic_read(&tcon->stats.cifs_stats.num_fnext), -- atomic_read(&tcon->stats.cifs_stats.num_fclose)); -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_ffirst), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_fnext), -+ atomic_read_unchecked(&tcon->stats.cifs_stats.num_fclose)); - #endif - } - -diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c -index 54daee5..2669fcb 100644 ---- a/fs/cifs/smb2ops.c -+++ b/fs/cifs/smb2ops.c -@@ -418,8 +418,8 @@ smb2_clear_stats(struct cifs_tcon *tcon) - #ifdef CONFIG_CIFS_STATS - int i; - for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) { -- atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0); -- atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0); -+ atomic_set_unchecked(&tcon->stats.smb2_stats.smb2_com_sent[i], 0); -+ atomic_set_unchecked(&tcon->stats.smb2_stats.smb2_com_failed[i], 0); - } - #endif - } -@@ -459,65 +459,65 @@ static void - smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon) - { - #ifdef CONFIG_CIFS_STATS -- atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent; -- atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed; -+ atomic_unchecked_t *sent = tcon->stats.smb2_stats.smb2_com_sent; -+ atomic_unchecked_t *failed = tcon->stats.smb2_stats.smb2_com_failed; - seq_printf(m, "\nNegotiates: %d sent %d failed", -- atomic_read(&sent[SMB2_NEGOTIATE_HE]), -- atomic_read(&failed[SMB2_NEGOTIATE_HE])); -+ atomic_read_unchecked(&sent[SMB2_NEGOTIATE_HE]), -+ atomic_read_unchecked(&failed[SMB2_NEGOTIATE_HE])); - seq_printf(m, "\nSessionSetups: %d sent %d failed", -- atomic_read(&sent[SMB2_SESSION_SETUP_HE]), -- atomic_read(&failed[SMB2_SESSION_SETUP_HE])); -+ atomic_read_unchecked(&sent[SMB2_SESSION_SETUP_HE]), -+ atomic_read_unchecked(&failed[SMB2_SESSION_SETUP_HE])); - seq_printf(m, "\nLogoffs: %d sent %d failed", -- atomic_read(&sent[SMB2_LOGOFF_HE]), -- atomic_read(&failed[SMB2_LOGOFF_HE])); -+ atomic_read_unchecked(&sent[SMB2_LOGOFF_HE]), -+ atomic_read_unchecked(&failed[SMB2_LOGOFF_HE])); - seq_printf(m, "\nTreeConnects: %d sent %d failed", -- atomic_read(&sent[SMB2_TREE_CONNECT_HE]), -- atomic_read(&failed[SMB2_TREE_CONNECT_HE])); -+ atomic_read_unchecked(&sent[SMB2_TREE_CONNECT_HE]), -+ atomic_read_unchecked(&failed[SMB2_TREE_CONNECT_HE])); - seq_printf(m, "\nTreeDisconnects: %d sent %d failed", -- atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]), -- atomic_read(&failed[SMB2_TREE_DISCONNECT_HE])); -+ atomic_read_unchecked(&sent[SMB2_TREE_DISCONNECT_HE]), -+ atomic_read_unchecked(&failed[SMB2_TREE_DISCONNECT_HE])); - seq_printf(m, "\nCreates: %d sent %d failed", -- atomic_read(&sent[SMB2_CREATE_HE]), -- atomic_read(&failed[SMB2_CREATE_HE])); -+ atomic_read_unchecked(&sent[SMB2_CREATE_HE]), -+ atomic_read_unchecked(&failed[SMB2_CREATE_HE])); - seq_printf(m, "\nCloses: %d sent %d failed", -- atomic_read(&sent[SMB2_CLOSE_HE]), -- atomic_read(&failed[SMB2_CLOSE_HE])); -+ atomic_read_unchecked(&sent[SMB2_CLOSE_HE]), -+ atomic_read_unchecked(&failed[SMB2_CLOSE_HE])); - seq_printf(m, "\nFlushes: %d sent %d failed", -- atomic_read(&sent[SMB2_FLUSH_HE]), -- atomic_read(&failed[SMB2_FLUSH_HE])); -+ atomic_read_unchecked(&sent[SMB2_FLUSH_HE]), -+ atomic_read_unchecked(&failed[SMB2_FLUSH_HE])); - seq_printf(m, "\nReads: %d sent %d failed", -- atomic_read(&sent[SMB2_READ_HE]), -- atomic_read(&failed[SMB2_READ_HE])); -+ atomic_read_unchecked(&sent[SMB2_READ_HE]), -+ atomic_read_unchecked(&failed[SMB2_READ_HE])); - seq_printf(m, "\nWrites: %d sent %d failed", -- atomic_read(&sent[SMB2_WRITE_HE]), -- atomic_read(&failed[SMB2_WRITE_HE])); -+ atomic_read_unchecked(&sent[SMB2_WRITE_HE]), -+ atomic_read_unchecked(&failed[SMB2_WRITE_HE])); - seq_printf(m, "\nLocks: %d sent %d failed", -- atomic_read(&sent[SMB2_LOCK_HE]), -- atomic_read(&failed[SMB2_LOCK_HE])); -+ atomic_read_unchecked(&sent[SMB2_LOCK_HE]), -+ atomic_read_unchecked(&failed[SMB2_LOCK_HE])); - seq_printf(m, "\nIOCTLs: %d sent %d failed", -- atomic_read(&sent[SMB2_IOCTL_HE]), -- atomic_read(&failed[SMB2_IOCTL_HE])); -+ atomic_read_unchecked(&sent[SMB2_IOCTL_HE]), -+ atomic_read_unchecked(&failed[SMB2_IOCTL_HE])); - seq_printf(m, "\nCancels: %d sent %d failed", -- atomic_read(&sent[SMB2_CANCEL_HE]), -- atomic_read(&failed[SMB2_CANCEL_HE])); -+ atomic_read_unchecked(&sent[SMB2_CANCEL_HE]), -+ atomic_read_unchecked(&failed[SMB2_CANCEL_HE])); - seq_printf(m, "\nEchos: %d sent %d failed", -- atomic_read(&sent[SMB2_ECHO_HE]), -- atomic_read(&failed[SMB2_ECHO_HE])); -+ atomic_read_unchecked(&sent[SMB2_ECHO_HE]), -+ atomic_read_unchecked(&failed[SMB2_ECHO_HE])); - seq_printf(m, "\nQueryDirectories: %d sent %d failed", -- atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]), -- atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE])); -+ atomic_read_unchecked(&sent[SMB2_QUERY_DIRECTORY_HE]), -+ atomic_read_unchecked(&failed[SMB2_QUERY_DIRECTORY_HE])); - seq_printf(m, "\nChangeNotifies: %d sent %d failed", -- atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]), -- atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE])); -+ atomic_read_unchecked(&sent[SMB2_CHANGE_NOTIFY_HE]), -+ atomic_read_unchecked(&failed[SMB2_CHANGE_NOTIFY_HE])); - seq_printf(m, "\nQueryInfos: %d sent %d failed", -- atomic_read(&sent[SMB2_QUERY_INFO_HE]), -- atomic_read(&failed[SMB2_QUERY_INFO_HE])); -+ atomic_read_unchecked(&sent[SMB2_QUERY_INFO_HE]), -+ atomic_read_unchecked(&failed[SMB2_QUERY_INFO_HE])); - seq_printf(m, "\nSetInfos: %d sent %d failed", -- atomic_read(&sent[SMB2_SET_INFO_HE]), -- atomic_read(&failed[SMB2_SET_INFO_HE])); -+ atomic_read_unchecked(&sent[SMB2_SET_INFO_HE]), -+ atomic_read_unchecked(&failed[SMB2_SET_INFO_HE])); - seq_printf(m, "\nOplockBreaks: %d sent %d failed", -- atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]), -- atomic_read(&failed[SMB2_OPLOCK_BREAK_HE])); -+ atomic_read_unchecked(&sent[SMB2_OPLOCK_BREAK_HE]), -+ atomic_read_unchecked(&failed[SMB2_OPLOCK_BREAK_HE])); - #endif - } - -diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c -index 54cbe19..fcd4a1b 100644 ---- a/fs/cifs/smb2pdu.c -+++ b/fs/cifs/smb2pdu.c -@@ -2147,8 +2147,7 @@ SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, - default: - cifs_dbg(VFS, "info level %u isn't supported\n", - srch_inf->info_level); -- rc = -EINVAL; -- goto qdir_exit; -+ return -EINVAL; - } - - req->FileIndex = cpu_to_le32(index); -diff --git a/fs/coda/cache.c b/fs/coda/cache.c -index 5bb630a..043dc70 100644 ---- a/fs/coda/cache.c -+++ b/fs/coda/cache.c -@@ -24,7 +24,7 @@ - #include "coda_linux.h" - #include "coda_cache.h" - --static atomic_t permission_epoch = ATOMIC_INIT(0); -+static atomic_unchecked_t permission_epoch = ATOMIC_INIT(0); - - /* replace or extend an acl cache hit */ - void coda_cache_enter(struct inode *inode, int mask) -@@ -32,7 +32,7 @@ void coda_cache_enter(struct inode *inode, int mask) - struct coda_inode_info *cii = ITOC(inode); - - spin_lock(&cii->c_lock); -- cii->c_cached_epoch = atomic_read(&permission_epoch); -+ cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch); - if (!uid_eq(cii->c_uid, current_fsuid())) { - cii->c_uid = current_fsuid(); - cii->c_cached_perm = mask; -@@ -46,14 +46,14 @@ void coda_cache_clear_inode(struct inode *inode) - { - struct coda_inode_info *cii = ITOC(inode); - spin_lock(&cii->c_lock); -- cii->c_cached_epoch = atomic_read(&permission_epoch) - 1; -+ cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch) - 1; - spin_unlock(&cii->c_lock); - } - - /* remove all acl caches */ - void coda_cache_clear_all(struct super_block *sb) - { -- atomic_inc(&permission_epoch); -+ atomic_inc_unchecked(&permission_epoch); - } - - -@@ -66,7 +66,7 @@ int coda_cache_check(struct inode *inode, int mask) - spin_lock(&cii->c_lock); - hit = (mask & cii->c_cached_perm) == mask && - uid_eq(cii->c_uid, current_fsuid()) && -- cii->c_cached_epoch == atomic_read(&permission_epoch); -+ cii->c_cached_epoch == atomic_read_unchecked(&permission_epoch); - spin_unlock(&cii->c_lock); - - return hit; -diff --git a/fs/compat.c b/fs/compat.c -index 6fd272d..dd34ba2 100644 ---- a/fs/compat.c -+++ b/fs/compat.c -@@ -54,7 +54,7 @@ - #include <asm/ioctls.h> - #include "internal.h" - --int compat_log = 1; -+int compat_log = 0; - - int compat_printk(const char *fmt, ...) - { -@@ -512,7 +512,7 @@ COMPAT_SYSCALL_DEFINE2(io_setup, unsigned, nr_reqs, u32 __user *, ctx32p) - - set_fs(KERNEL_DS); - /* The __user pointer cast is valid because of the set_fs() */ -- ret = sys_io_setup(nr_reqs, (aio_context_t __user *) &ctx64); -+ ret = sys_io_setup(nr_reqs, (aio_context_t __force_user *) &ctx64); - set_fs(oldfs); - /* truncating is ok because it's a user address */ - if (!ret) -@@ -562,7 +562,7 @@ ssize_t compat_rw_copy_check_uvector(int type, - goto out; - - ret = -EINVAL; -- if (nr_segs > UIO_MAXIOV || nr_segs < 0) -+ if (nr_segs > UIO_MAXIOV) - goto out; - if (nr_segs > fast_segs) { - ret = -ENOMEM; -@@ -844,6 +844,7 @@ struct compat_old_linux_dirent { - struct compat_readdir_callback { - struct dir_context ctx; - struct compat_old_linux_dirent __user *dirent; -+ struct file * file; - int result; - }; - -@@ -863,6 +864,10 @@ static int compat_fillonedir(struct dir_context *ctx, const char *name, - buf->result = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - buf->result++; - dirent = buf->dirent; - if (!access_ok(VERIFY_WRITE, dirent, -@@ -894,6 +899,7 @@ COMPAT_SYSCALL_DEFINE3(old_readdir, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (buf.result) - error = buf.result; -@@ -913,6 +919,7 @@ struct compat_getdents_callback { - struct dir_context ctx; - struct compat_linux_dirent __user *current_dir; - struct compat_linux_dirent __user *previous; -+ struct file * file; - int count; - int error; - }; -@@ -935,6 +942,10 @@ static int compat_filldir(struct dir_context *ctx, const char *name, int namlen, - buf->error = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - if (dirent) { - if (__put_user(offset, &dirent->d_off)) -@@ -980,6 +991,7 @@ COMPAT_SYSCALL_DEFINE3(getdents, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (error >= 0) - error = buf.error; -@@ -1000,6 +1012,7 @@ struct compat_getdents_callback64 { - struct dir_context ctx; - struct linux_dirent64 __user *current_dir; - struct linux_dirent64 __user *previous; -+ struct file * file; - int count; - int error; - }; -@@ -1018,6 +1031,10 @@ static int compat_filldir64(struct dir_context *ctx, const char *name, - buf->error = -EINVAL; /* only used if we fail.. */ - if (reclen > buf->count) - return -EINVAL; -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - - if (dirent) { -@@ -1067,6 +1084,7 @@ COMPAT_SYSCALL_DEFINE3(getdents64, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (error >= 0) - error = buf.error; -diff --git a/fs/compat_binfmt_elf.c b/fs/compat_binfmt_elf.c -index 4d24d17..4f8c09e 100644 ---- a/fs/compat_binfmt_elf.c -+++ b/fs/compat_binfmt_elf.c -@@ -30,11 +30,13 @@ - #undef elf_phdr - #undef elf_shdr - #undef elf_note -+#undef elf_dyn - #undef elf_addr_t - #define elfhdr elf32_hdr - #define elf_phdr elf32_phdr - #define elf_shdr elf32_shdr - #define elf_note elf32_note -+#define elf_dyn Elf32_Dyn - #define elf_addr_t Elf32_Addr - - /* -diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c -index 6b8e2f0..9b13a5e 100644 ---- a/fs/compat_ioctl.c -+++ b/fs/compat_ioctl.c -@@ -622,7 +622,7 @@ static int serial_struct_ioctl(unsigned fd, unsigned cmd, - return -EFAULT; - if (__get_user(udata, &ss32->iomem_base)) - return -EFAULT; -- ss.iomem_base = compat_ptr(udata); -+ ss.iomem_base = (unsigned char __force_kernel *)compat_ptr(udata); - if (__get_user(ss.iomem_reg_shift, &ss32->iomem_reg_shift) || - __get_user(ss.port_high, &ss32->port_high)) - return -EFAULT; -@@ -704,8 +704,8 @@ static int do_i2c_rdwr_ioctl(unsigned int fd, unsigned int cmd, - for (i = 0; i < nmsgs; i++) { - if (copy_in_user(&tmsgs[i].addr, &umsgs[i].addr, 3*sizeof(u16))) - return -EFAULT; -- if (get_user(datap, &umsgs[i].buf) || -- put_user(compat_ptr(datap), &tmsgs[i].buf)) -+ if (get_user(datap, (compat_caddr_t __user *)&umsgs[i].buf) || -+ put_user(compat_ptr(datap), (u8 __user * __user *)&tmsgs[i].buf)) - return -EFAULT; - } - return sys_ioctl(fd, cmd, (unsigned long)tdata); -@@ -798,7 +798,7 @@ static int compat_ioctl_preallocate(struct file *file, - copy_in_user(&p->l_len, &p32->l_len, sizeof(s64)) || - copy_in_user(&p->l_sysid, &p32->l_sysid, sizeof(s32)) || - copy_in_user(&p->l_pid, &p32->l_pid, sizeof(u32)) || -- copy_in_user(&p->l_pad, &p32->l_pad, 4*sizeof(u32))) -+ copy_in_user(p->l_pad, p32->l_pad, 4*sizeof(u32))) - return -EFAULT; - - return ioctl_preallocate(file, p); -@@ -1620,8 +1620,8 @@ COMPAT_SYSCALL_DEFINE3(ioctl, unsigned int, fd, unsigned int, cmd, - static int __init init_sys32_ioctl_cmp(const void *p, const void *q) - { - unsigned int a, b; -- a = *(unsigned int *)p; -- b = *(unsigned int *)q; -+ a = *(const unsigned int *)p; -+ b = *(const unsigned int *)q; - if (a > b) - return 1; - if (a < b) -diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c -index c81ce7f..f3de5fd 100644 ---- a/fs/configfs/dir.c -+++ b/fs/configfs/dir.c -@@ -1540,7 +1540,8 @@ static int configfs_readdir(struct file *file, struct dir_context *ctx) - } - for (p = q->next; p != &parent_sd->s_children; p = p->next) { - struct configfs_dirent *next; -- const char *name; -+ const unsigned char * name; -+ char d_name[sizeof(next->s_dentry->d_iname)]; - int len; - struct inode *inode = NULL; - -@@ -1549,7 +1550,12 @@ static int configfs_readdir(struct file *file, struct dir_context *ctx) - continue; - - name = configfs_get_name(next); -- len = strlen(name); -+ if (next->s_dentry && name == next->s_dentry->d_iname) { -+ len = next->s_dentry->d_name.len; -+ memcpy(d_name, name, len); -+ name = d_name; -+ } else -+ len = strlen(name); - - /* - * We'll have a dentry and an inode for -diff --git a/fs/configfs/item.c b/fs/configfs/item.c -index e65f9ff..3ed264d 100644 ---- a/fs/configfs/item.c -+++ b/fs/configfs/item.c -@@ -116,7 +116,7 @@ void config_item_init_type_name(struct config_item *item, - const char *name, - struct config_item_type *type) - { -- config_item_set_name(item, name); -+ config_item_set_name(item, "%s", name); - item->ci_type = type; - config_item_init(item); - } -@@ -125,7 +125,7 @@ EXPORT_SYMBOL(config_item_init_type_name); - void config_group_init_type_name(struct config_group *group, const char *name, - struct config_item_type *type) - { -- config_item_set_name(&group->cg_item, name); -+ config_item_set_name(&group->cg_item, "%s", name); - group->cg_item.ci_type = type; - config_group_init(group); - } -diff --git a/fs/coredump.c b/fs/coredump.c -index bbbe139..b76fae5 100644 ---- a/fs/coredump.c -+++ b/fs/coredump.c -@@ -450,8 +450,8 @@ static void wait_for_dump_helpers(struct file *file) - struct pipe_inode_info *pipe = file->private_data; - - pipe_lock(pipe); -- pipe->readers++; -- pipe->writers--; -+ atomic_inc(&pipe->readers); -+ atomic_dec(&pipe->writers); - wake_up_interruptible_sync(&pipe->wait); - kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); - pipe_unlock(pipe); -@@ -460,11 +460,11 @@ static void wait_for_dump_helpers(struct file *file) - * We actually want wait_event_freezable() but then we need - * to clear TIF_SIGPENDING and improve dump_interrupted(). - */ -- wait_event_interruptible(pipe->wait, pipe->readers == 1); -+ wait_event_interruptible(pipe->wait, atomic_read(&pipe->readers) == 1); - - pipe_lock(pipe); -- pipe->readers--; -- pipe->writers++; -+ atomic_dec(&pipe->readers); -+ atomic_inc(&pipe->writers); - pipe_unlock(pipe); - } - -@@ -511,7 +511,9 @@ void do_coredump(const siginfo_t *siginfo) - struct files_struct *displaced; - bool need_nonrelative = false; - bool core_dumped = false; -- static atomic_t core_dump_count = ATOMIC_INIT(0); -+ static atomic_unchecked_t core_dump_count = ATOMIC_INIT(0); -+ long signr = siginfo->si_signo; -+ int dumpable; - struct coredump_params cprm = { - .siginfo = siginfo, - .regs = signal_pt_regs(), -@@ -524,12 +526,17 @@ void do_coredump(const siginfo_t *siginfo) - .mm_flags = mm->flags, - }; - -- audit_core_dumps(siginfo->si_signo); -+ audit_core_dumps(signr); -+ -+ dumpable = __get_dumpable(cprm.mm_flags); -+ -+ if (signr == SIGSEGV || signr == SIGBUS || signr == SIGKILL || signr == SIGILL) -+ gr_handle_brute_attach(dumpable); - - binfmt = mm->binfmt; - if (!binfmt || !binfmt->core_dump) - goto fail; -- if (!__get_dumpable(cprm.mm_flags)) -+ if (!dumpable) - goto fail; - - cred = prepare_creds(); -@@ -548,7 +555,7 @@ void do_coredump(const siginfo_t *siginfo) - need_nonrelative = true; - } - -- retval = coredump_wait(siginfo->si_signo, &core_state); -+ retval = coredump_wait(signr, &core_state); - if (retval < 0) - goto fail_creds; - -@@ -591,7 +598,7 @@ void do_coredump(const siginfo_t *siginfo) - } - cprm.limit = RLIM_INFINITY; - -- dump_count = atomic_inc_return(&core_dump_count); -+ dump_count = atomic_inc_return_unchecked(&core_dump_count); - if (core_pipe_limit && (core_pipe_limit < dump_count)) { - printk(KERN_WARNING "Pid %d(%s) over core_pipe_limit\n", - task_tgid_vnr(current), current->comm); -@@ -623,6 +630,8 @@ void do_coredump(const siginfo_t *siginfo) - } else { - struct inode *inode; - -+ gr_learn_resource(current, RLIMIT_CORE, binfmt->min_coredump, 1); -+ - if (cprm.limit < binfmt->min_coredump) - goto fail_unlock; - -@@ -681,7 +690,7 @@ close_fail: - filp_close(cprm.file, NULL); - fail_dropcount: - if (ispipe) -- atomic_dec(&core_dump_count); -+ atomic_dec_unchecked(&core_dump_count); - fail_unlock: - kfree(cn.corename); - coredump_finish(mm, core_dumped); -@@ -702,6 +711,8 @@ int dump_emit(struct coredump_params *cprm, const void *addr, int nr) - struct file *file = cprm->file; - loff_t pos = file->f_pos; - ssize_t n; -+ -+ gr_learn_resource(current, RLIMIT_CORE, cprm->written + nr, 1); - if (cprm->written + nr > cprm->limit) - return 0; - while (nr) { -diff --git a/fs/dcache.c b/fs/dcache.c -index 5d03eb0..d874b57 100644 ---- a/fs/dcache.c -+++ b/fs/dcache.c -@@ -545,7 +545,7 @@ static void __dentry_kill(struct dentry *dentry) - * dentry_iput drops the locks, at which point nobody (except - * transient RCU lookups) can reach this dentry. - */ -- BUG_ON(dentry->d_lockref.count > 0); -+ BUG_ON(__lockref_read(&dentry->d_lockref) > 0); - this_cpu_dec(nr_dentry); - if (dentry->d_op && dentry->d_op->d_release) - dentry->d_op->d_release(dentry); -@@ -598,7 +598,7 @@ static inline struct dentry *lock_parent(struct dentry *dentry) - struct dentry *parent = dentry->d_parent; - if (IS_ROOT(dentry)) - return NULL; -- if (unlikely(dentry->d_lockref.count < 0)) -+ if (unlikely(__lockref_read(&dentry->d_lockref) < 0)) - return NULL; - if (likely(spin_trylock(&parent->d_lock))) - return parent; -@@ -660,8 +660,8 @@ static inline bool fast_dput(struct dentry *dentry) - */ - if (unlikely(ret < 0)) { - spin_lock(&dentry->d_lock); -- if (dentry->d_lockref.count > 1) { -- dentry->d_lockref.count--; -+ if (__lockref_read(&dentry->d_lockref) > 1) { -+ __lockref_dec(&dentry->d_lockref); - spin_unlock(&dentry->d_lock); - return 1; - } -@@ -716,7 +716,7 @@ static inline bool fast_dput(struct dentry *dentry) - * else could have killed it and marked it dead. Either way, we - * don't need to do anything else. - */ -- if (dentry->d_lockref.count) { -+ if (__lockref_read(&dentry->d_lockref)) { - spin_unlock(&dentry->d_lock); - return 1; - } -@@ -726,7 +726,7 @@ static inline bool fast_dput(struct dentry *dentry) - * lock, and we just tested that it was zero, so we can just - * set it to 1. - */ -- dentry->d_lockref.count = 1; -+ __lockref_set(&dentry->d_lockref, 1); - return 0; - } - -@@ -788,7 +788,7 @@ repeat: - dentry->d_flags |= DCACHE_REFERENCED; - dentry_lru_add(dentry); - -- dentry->d_lockref.count--; -+ __lockref_dec(&dentry->d_lockref); - spin_unlock(&dentry->d_lock); - return; - -@@ -803,7 +803,7 @@ EXPORT_SYMBOL(dput); - /* This must be called with d_lock held */ - static inline void __dget_dlock(struct dentry *dentry) - { -- dentry->d_lockref.count++; -+ __lockref_inc(&dentry->d_lockref); - } - - static inline void __dget(struct dentry *dentry) -@@ -844,8 +844,8 @@ repeat: - goto repeat; - } - rcu_read_unlock(); -- BUG_ON(!ret->d_lockref.count); -- ret->d_lockref.count++; -+ BUG_ON(!__lockref_read(&ret->d_lockref)); -+ __lockref_inc(&ret->d_lockref); - spin_unlock(&ret->d_lock); - return ret; - } -@@ -923,9 +923,9 @@ restart: - spin_lock(&inode->i_lock); - hlist_for_each_entry(dentry, &inode->i_dentry, d_u.d_alias) { - spin_lock(&dentry->d_lock); -- if (!dentry->d_lockref.count) { -+ if (!__lockref_read(&dentry->d_lockref)) { - struct dentry *parent = lock_parent(dentry); -- if (likely(!dentry->d_lockref.count)) { -+ if (likely(!__lockref_read(&dentry->d_lockref))) { - __dentry_kill(dentry); - dput(parent); - goto restart; -@@ -960,7 +960,7 @@ static void shrink_dentry_list(struct list_head *list) - * We found an inuse dentry which was not removed from - * the LRU because of laziness during lookup. Do not free it. - */ -- if (dentry->d_lockref.count > 0) { -+ if (__lockref_read(&dentry->d_lockref) > 0) { - spin_unlock(&dentry->d_lock); - if (parent) - spin_unlock(&parent->d_lock); -@@ -998,8 +998,8 @@ static void shrink_dentry_list(struct list_head *list) - dentry = parent; - while (dentry && !lockref_put_or_lock(&dentry->d_lockref)) { - parent = lock_parent(dentry); -- if (dentry->d_lockref.count != 1) { -- dentry->d_lockref.count--; -+ if (__lockref_read(&dentry->d_lockref) != 1) { -+ __lockref_inc(&dentry->d_lockref); - spin_unlock(&dentry->d_lock); - if (parent) - spin_unlock(&parent->d_lock); -@@ -1039,7 +1039,7 @@ static enum lru_status dentry_lru_isolate(struct list_head *item, - * counts, just remove them from the LRU. Otherwise give them - * another pass through the LRU. - */ -- if (dentry->d_lockref.count) { -+ if (__lockref_read(&dentry->d_lockref)) { - d_lru_isolate(lru, dentry); - spin_unlock(&dentry->d_lock); - return LRU_REMOVED; -@@ -1373,7 +1373,7 @@ static enum d_walk_ret select_collect(void *_data, struct dentry *dentry) - } else { - if (dentry->d_flags & DCACHE_LRU_LIST) - d_lru_del(dentry); -- if (!dentry->d_lockref.count) { -+ if (!__lockref_read(&dentry->d_lockref)) { - d_shrink_add(dentry, &data->dispose); - data->found++; - } -@@ -1421,7 +1421,7 @@ static enum d_walk_ret umount_check(void *_data, struct dentry *dentry) - return D_WALK_CONTINUE; - - /* root with refcount 1 is fine */ -- if (dentry == _data && dentry->d_lockref.count == 1) -+ if (dentry == _data && __lockref_read(&dentry->d_lockref) == 1) - return D_WALK_CONTINUE; - - printk(KERN_ERR "BUG: Dentry %p{i=%lx,n=%pd} " -@@ -1430,7 +1430,7 @@ static enum d_walk_ret umount_check(void *_data, struct dentry *dentry) - dentry->d_inode ? - dentry->d_inode->i_ino : 0UL, - dentry, -- dentry->d_lockref.count, -+ __lockref_read(&dentry->d_lockref), - dentry->d_sb->s_type->name, - dentry->d_sb->s_id); - WARN_ON(1); -@@ -1571,7 +1571,7 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name) - dentry->d_iname[DNAME_INLINE_LEN-1] = 0; - if (name->len > DNAME_INLINE_LEN-1) { - size_t size = offsetof(struct external_name, name[1]); -- struct external_name *p = kmalloc(size + name->len, GFP_KERNEL); -+ struct external_name *p = kmalloc(round_up(size + name->len, sizeof(unsigned long)), GFP_KERNEL); - if (!p) { - kmem_cache_free(dentry_cache, dentry); - return NULL; -@@ -1594,7 +1594,7 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name) - smp_wmb(); - dentry->d_name.name = dname; - -- dentry->d_lockref.count = 1; -+ __lockref_set(&dentry->d_lockref, 1); - dentry->d_flags = 0; - spin_lock_init(&dentry->d_lock); - seqcount_init(&dentry->d_seq); -@@ -1603,6 +1603,9 @@ struct dentry *__d_alloc(struct super_block *sb, const struct qstr *name) - dentry->d_sb = sb; - dentry->d_op = NULL; - dentry->d_fsdata = NULL; -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ atomic_set(&dentry->chroot_refcnt, 0); -+#endif - INIT_HLIST_BL_NODE(&dentry->d_hash); - INIT_LIST_HEAD(&dentry->d_lru); - INIT_LIST_HEAD(&dentry->d_subdirs); -@@ -2324,7 +2327,7 @@ struct dentry *__d_lookup(const struct dentry *parent, const struct qstr *name) - goto next; - } - -- dentry->d_lockref.count++; -+ __lockref_inc(&dentry->d_lockref); - found = dentry; - spin_unlock(&dentry->d_lock); - break; -@@ -2392,7 +2395,7 @@ again: - spin_lock(&dentry->d_lock); - inode = dentry->d_inode; - isdir = S_ISDIR(inode->i_mode); -- if (dentry->d_lockref.count == 1) { -+ if (__lockref_read(&dentry->d_lockref) == 1) { - if (!spin_trylock(&inode->i_lock)) { - spin_unlock(&dentry->d_lock); - cpu_relax(); -@@ -3334,7 +3337,7 @@ static enum d_walk_ret d_genocide_kill(void *data, struct dentry *dentry) - - if (!(dentry->d_flags & DCACHE_GENOCIDE)) { - dentry->d_flags |= DCACHE_GENOCIDE; -- dentry->d_lockref.count--; -+ __lockref_dec(&dentry->d_lockref); - } - } - return D_WALK_CONTINUE; -@@ -3450,7 +3453,8 @@ void __init vfs_caches_init(unsigned long mempages) - mempages -= reserve; - - names_cachep = kmem_cache_create("names_cache", PATH_MAX, 0, -- SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL); -+ SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_USERCOPY| -+ SLAB_NO_SANITIZE, NULL); - - dcache_init(); - inode_init(); -diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c -index 1275604..d2ca85b 100644 ---- a/fs/debugfs/inode.c -+++ b/fs/debugfs/inode.c -@@ -407,6 +407,10 @@ EXPORT_SYMBOL_GPL(debugfs_create_file_size); - * If debugfs is not enabled in the kernel, the value -%ENODEV will be - * returned. - */ -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+extern int grsec_enable_sysfs_restrict; -+#endif -+ - struct dentry *debugfs_create_dir(const char *name, struct dentry *parent) - { - struct dentry *dentry = start_creating(name, parent); -@@ -419,7 +423,12 @@ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent) - if (unlikely(!inode)) - return failed_creating(dentry); - -- inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO; -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+ if (grsec_enable_sysfs_restrict) -+ inode->i_mode = S_IFDIR | S_IRWXU; -+ else -+#endif -+ inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO; - inode->i_op = &simple_dir_inode_operations; - inode->i_fop = &simple_dir_operations; - -diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c -index fc850b5..1677a2a 100644 ---- a/fs/ecryptfs/inode.c -+++ b/fs/ecryptfs/inode.c -@@ -663,7 +663,7 @@ static char *ecryptfs_readlink_lower(struct dentry *dentry, size_t *bufsiz) - old_fs = get_fs(); - set_fs(get_ds()); - rc = d_inode(lower_dentry)->i_op->readlink(lower_dentry, -- (char __user *)lower_buf, -+ (char __force_user *)lower_buf, - PATH_MAX); - set_fs(old_fs); - if (rc < 0) -diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c -index e4141f2..d8263e8 100644 ---- a/fs/ecryptfs/miscdev.c -+++ b/fs/ecryptfs/miscdev.c -@@ -304,7 +304,7 @@ check_list: - goto out_unlock_msg_ctx; - i = PKT_TYPE_SIZE + PKT_CTR_SIZE; - if (msg_ctx->msg) { -- if (copy_to_user(&buf[i], packet_length, packet_length_size)) -+ if (packet_length_size > sizeof(packet_length) || copy_to_user(&buf[i], packet_length, packet_length_size)) - goto out_unlock_msg_ctx; - i += packet_length_size; - if (copy_to_user(&buf[i], msg_ctx->msg, msg_ctx->msg_size)) -diff --git a/fs/exec.c b/fs/exec.c -index 1977c2a..40e7f8f 100644 ---- a/fs/exec.c -+++ b/fs/exec.c -@@ -56,8 +56,20 @@ - #include <linux/pipe_fs_i.h> - #include <linux/oom.h> - #include <linux/compat.h> -+#include <linux/random.h> -+#include <linux/seq_file.h> -+#include <linux/coredump.h> -+#include <linux/mman.h> -+ -+#ifdef CONFIG_PAX_REFCOUNT -+#include <linux/kallsyms.h> -+#include <linux/kdebug.h> -+#endif -+ -+#include <trace/events/fs.h> - - #include <asm/uaccess.h> -+#include <asm/sections.h> - #include <asm/mmu_context.h> - #include <asm/tlb.h> - -@@ -66,19 +78,34 @@ - - #include <trace/events/sched.h> - -+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS -+void __weak pax_set_initial_flags(struct linux_binprm *bprm) -+{ -+ pr_warn_once("PAX: PAX_HAVE_ACL_FLAGS was enabled without providing the pax_set_initial_flags callback, this is probably not what you wanted.\n"); -+} -+#endif -+ -+#ifdef CONFIG_PAX_HOOK_ACL_FLAGS -+void (*pax_set_initial_flags_func)(struct linux_binprm *bprm); -+EXPORT_SYMBOL(pax_set_initial_flags_func); -+#endif -+ - int suid_dumpable = 0; - - static LIST_HEAD(formats); - static DEFINE_RWLOCK(binfmt_lock); - -+extern int gr_process_kernel_exec_ban(void); -+extern int gr_process_suid_exec_ban(const struct linux_binprm *bprm); -+ - void __register_binfmt(struct linux_binfmt * fmt, int insert) - { - BUG_ON(!fmt); - if (WARN_ON(!fmt->load_binary)) - return; - write_lock(&binfmt_lock); -- insert ? list_add(&fmt->lh, &formats) : -- list_add_tail(&fmt->lh, &formats); -+ insert ? pax_list_add((struct list_head *)&fmt->lh, &formats) : -+ pax_list_add_tail((struct list_head *)&fmt->lh, &formats); - write_unlock(&binfmt_lock); - } - -@@ -87,7 +114,7 @@ EXPORT_SYMBOL(__register_binfmt); - void unregister_binfmt(struct linux_binfmt * fmt) - { - write_lock(&binfmt_lock); -- list_del(&fmt->lh); -+ pax_list_del((struct list_head *)&fmt->lh); - write_unlock(&binfmt_lock); - } - -@@ -183,18 +210,10 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos, - int write) - { - struct page *page; -- int ret; - --#ifdef CONFIG_STACK_GROWSUP -- if (write) { -- ret = expand_downwards(bprm->vma, pos); -- if (ret < 0) -- return NULL; -- } --#endif -- ret = get_user_pages(current, bprm->mm, pos, -- 1, write, 1, &page, NULL); -- if (ret <= 0) -+ if (0 > expand_downwards(bprm->vma, pos)) -+ return NULL; -+ if (0 >= get_user_pages(current, bprm->mm, pos, 1, write, 1, &page, NULL)) - return NULL; - - if (write) { -@@ -210,6 +229,17 @@ static struct page *get_arg_page(struct linux_binprm *bprm, unsigned long pos, - if (size <= ARG_MAX) - return page; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ // only allow 512KB for argv+env on suid/sgid binaries -+ // to prevent easy ASLR exhaustion -+ if (((!uid_eq(bprm->cred->euid, current_euid())) || -+ (!gid_eq(bprm->cred->egid, current_egid()))) && -+ (size > (512 * 1024))) { -+ put_page(page); -+ return NULL; -+ } -+#endif -+ - /* - * Limit to 1/4-th the stack size for the argv+env strings. - * This ensures that: -@@ -269,6 +299,11 @@ static int __bprm_mm_init(struct linux_binprm *bprm) - vma->vm_end = STACK_TOP_MAX; - vma->vm_start = vma->vm_end - PAGE_SIZE; - vma->vm_flags = VM_SOFTDIRTY | VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma->vm_flags &= ~(VM_EXEC | VM_MAYEXEC); -+#endif -+ - vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - INIT_LIST_HEAD(&vma->anon_vma_chain); - -@@ -280,6 +315,12 @@ static int __bprm_mm_init(struct linux_binprm *bprm) - arch_bprm_mm_init(mm, vma); - up_write(&mm->mmap_sem); - bprm->p = vma->vm_end - sizeof(void *); -+ -+#ifdef CONFIG_PAX_RANDUSTACK -+ if (randomize_va_space) -+ bprm->p ^= prandom_u32() & ~PAGE_MASK; -+#endif -+ - return 0; - err: - up_write(&mm->mmap_sem); -@@ -396,7 +437,7 @@ struct user_arg_ptr { - } ptr; - }; - --static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr) -+const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr) - { - const char __user *native; - -@@ -405,14 +446,14 @@ static const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr) - compat_uptr_t compat; - - if (get_user(compat, argv.ptr.compat + nr)) -- return ERR_PTR(-EFAULT); -+ return (const char __force_user *)ERR_PTR(-EFAULT); - - return compat_ptr(compat); - } - #endif - - if (get_user(native, argv.ptr.native + nr)) -- return ERR_PTR(-EFAULT); -+ return (const char __force_user *)ERR_PTR(-EFAULT); - - return native; - } -@@ -431,7 +472,7 @@ static int count(struct user_arg_ptr argv, int max) - if (!p) - break; - -- if (IS_ERR(p)) -+ if (IS_ERR((const char __force_kernel *)p)) - return -EFAULT; - - if (i >= max) -@@ -466,7 +507,7 @@ static int copy_strings(int argc, struct user_arg_ptr argv, - - ret = -EFAULT; - str = get_user_arg_ptr(argv, argc); -- if (IS_ERR(str)) -+ if (IS_ERR((const char __force_kernel *)str)) - goto out; - - len = strnlen_user(str, MAX_ARG_STRLEN); -@@ -548,7 +589,7 @@ int copy_strings_kernel(int argc, const char *const *__argv, - int r; - mm_segment_t oldfs = get_fs(); - struct user_arg_ptr argv = { -- .ptr.native = (const char __user *const __user *)__argv, -+ .ptr.native = (const char __user * const __force_user *)__argv, - }; - - set_fs(KERNEL_DS); -@@ -583,7 +624,8 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) - unsigned long new_end = old_end - shift; - struct mmu_gather tlb; - -- BUG_ON(new_start > new_end); -+ if (new_start >= new_end || new_start < mmap_min_addr) -+ return -ENOMEM; - - /* - * ensure there are no vmas between where we want to go -@@ -592,6 +634,10 @@ static int shift_arg_pages(struct vm_area_struct *vma, unsigned long shift) - if (vma != find_vma(mm, new_start)) - return -EFAULT; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ BUG_ON(pax_find_mirror_vma(vma)); -+#endif -+ - /* - * cover the whole range: [new_start, old_end) - */ -@@ -675,10 +721,6 @@ int setup_arg_pages(struct linux_binprm *bprm, - stack_top = arch_align_stack(stack_top); - stack_top = PAGE_ALIGN(stack_top); - -- if (unlikely(stack_top < mmap_min_addr) || -- unlikely(vma->vm_end - vma->vm_start >= stack_top - mmap_min_addr)) -- return -ENOMEM; -- - stack_shift = vma->vm_end - stack_top; - - bprm->p -= stack_shift; -@@ -690,8 +732,28 @@ int setup_arg_pages(struct linux_binprm *bprm, - bprm->exec -= stack_shift; - - down_write(&mm->mmap_sem); -+ -+ /* Move stack pages down in memory. */ -+ if (stack_shift) { -+ ret = shift_arg_pages(vma, stack_shift); -+ if (ret) -+ goto out_unlock; -+ } -+ - vm_flags = VM_STACK_FLAGS; - -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ vm_flags &= ~VM_EXEC; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) -+ vm_flags &= ~VM_MAYEXEC; -+#endif -+ -+ } -+#endif -+ - /* - * Adjust stack execute permissions; explicitly enable for - * EXSTACK_ENABLE_X, disable for EXSTACK_DISABLE_X and leave alone -@@ -710,13 +772,6 @@ int setup_arg_pages(struct linux_binprm *bprm, - goto out_unlock; - BUG_ON(prev != vma); - -- /* Move stack pages down in memory. */ -- if (stack_shift) { -- ret = shift_arg_pages(vma, stack_shift); -- if (ret) -- goto out_unlock; -- } -- - /* mprotect_fixup is overkill to remove the temporary stack flags */ - vma->vm_flags &= ~VM_STACK_INCOMPLETE_SETUP; - -@@ -740,6 +795,27 @@ int setup_arg_pages(struct linux_binprm *bprm, - #endif - current->mm->start_stack = bprm->p; - ret = expand_stack(vma, stack_base); -+ -+#if !defined(CONFIG_STACK_GROWSUP) && defined(CONFIG_PAX_RANDMMAP) -+ if (!ret && (mm->pax_flags & MF_PAX_RANDMMAP) && STACK_TOP <= 0xFFFFFFFFU && STACK_TOP > vma->vm_end) { -+ unsigned long size; -+ vm_flags_t vm_flags; -+ -+ size = STACK_TOP - vma->vm_end; -+ vm_flags = VM_NONE | VM_DONTEXPAND | VM_DONTDUMP; -+ -+ ret = vma->vm_end != mmap_region(NULL, vma->vm_end, size, vm_flags, 0); -+ -+#ifdef CONFIG_X86 -+ if (!ret) { -+ size = PAGE_SIZE + mmap_min_addr + ((mm->delta_mmap ^ mm->delta_stack) & (0xFFUL << PAGE_SHIFT)); -+ ret = 0 != mmap_region(NULL, 0, PAGE_ALIGN(size), vm_flags, 0); -+ } -+#endif -+ -+ } -+#endif -+ - if (ret) - ret = -EFAULT; - -@@ -784,8 +860,10 @@ static struct file *do_open_execat(int fd, struct filename *name, int flags) - if (err) - goto exit; - -- if (name->name[0] != '\0') -+ if (name->name[0] != '\0') { - fsnotify_open(file); -+ trace_open_exec(name->name); -+ } - - out: - return file; -@@ -818,7 +896,7 @@ int kernel_read(struct file *file, loff_t offset, - old_fs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ -- result = vfs_read(file, (void __user *)addr, count, &pos); -+ result = vfs_read(file, (void __force_user *)addr, count, &pos); - set_fs(old_fs); - return result; - } -@@ -863,6 +941,7 @@ static int exec_mmap(struct mm_struct *mm) - tsk->mm = mm; - tsk->active_mm = mm; - activate_mm(active_mm, mm); -+ populate_stack(); - tsk->mm->vmacache_seqnum = 0; - vmacache_flush(tsk); - task_unlock(tsk); -@@ -1271,7 +1350,7 @@ static void check_unsafe_exec(struct linux_binprm *bprm) - } - rcu_read_unlock(); - -- if (p->fs->users > n_fs) -+ if (atomic_read(&p->fs->users) > n_fs) - bprm->unsafe |= LSM_UNSAFE_SHARE; - else - p->fs->in_exec = 1; -@@ -1472,6 +1551,31 @@ static int exec_binprm(struct linux_binprm *bprm) - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+static DEFINE_PER_CPU(u64, exec_counter); -+static int __init init_exec_counters(void) -+{ -+ unsigned int cpu; -+ -+ for_each_possible_cpu(cpu) { -+ per_cpu(exec_counter, cpu) = (u64)cpu; -+ } -+ -+ return 0; -+} -+early_initcall(init_exec_counters); -+static inline void increment_exec_counter(void) -+{ -+ BUILD_BUG_ON(NR_CPUS > (1 << 16)); -+ current->exec_id = this_cpu_add_return(exec_counter, 1 << 16); -+} -+#else -+static inline void increment_exec_counter(void) {} -+#endif -+ -+extern void gr_handle_exec_args(struct linux_binprm *bprm, -+ struct user_arg_ptr argv); -+ - /* - * sys_execve() executes a new program. - */ -@@ -1480,6 +1584,11 @@ static int do_execveat_common(int fd, struct filename *filename, - struct user_arg_ptr envp, - int flags) - { -+#ifdef CONFIG_GRKERNSEC -+ struct file *old_exec_file; -+ struct acl_subject_label *old_acl; -+ struct rlimit old_rlim[RLIM_NLIMITS]; -+#endif - char *pathbuf = NULL; - struct linux_binprm *bprm; - struct file *file; -@@ -1489,6 +1598,8 @@ static int do_execveat_common(int fd, struct filename *filename, - if (IS_ERR(filename)) - return PTR_ERR(filename); - -+ gr_learn_resource(current, RLIMIT_NPROC, atomic_read(&current_user()->processes), 1); -+ - /* - * We move the actual failure in case of RLIMIT_NPROC excess from - * set*uid() to execve() because too many poorly written programs -@@ -1526,6 +1637,11 @@ static int do_execveat_common(int fd, struct filename *filename, - if (IS_ERR(file)) - goto out_unmark; - -+ if (gr_ptrace_readexec(file, bprm->unsafe)) { -+ retval = -EPERM; -+ goto out_unmark; -+ } -+ - sched_exec(); - - bprm->file = file; -@@ -1552,6 +1668,11 @@ static int do_execveat_common(int fd, struct filename *filename, - } - bprm->interp = bprm->filename; - -+ if (!gr_acl_handle_execve(file->f_path.dentry, file->f_path.mnt)) { -+ retval = -EACCES; -+ goto out_unmark; -+ } -+ - retval = bprm_mm_init(bprm); - if (retval) - goto out_unmark; -@@ -1568,24 +1689,70 @@ static int do_execveat_common(int fd, struct filename *filename, - if (retval < 0) - goto out; - -+#ifdef CONFIG_GRKERNSEC -+ old_acl = current->acl; -+ memcpy(old_rlim, current->signal->rlim, sizeof(old_rlim)); -+ old_exec_file = current->exec_file; -+ get_file(file); -+ current->exec_file = file; -+#endif -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ /* limit suid stack to 8MB -+ * we saved the old limits above and will restore them if this exec fails -+ */ -+ if (((!uid_eq(bprm->cred->euid, current_euid())) || (!gid_eq(bprm->cred->egid, current_egid()))) && -+ (old_rlim[RLIMIT_STACK].rlim_cur > (8 * 1024 * 1024))) -+ current->signal->rlim[RLIMIT_STACK].rlim_cur = 8 * 1024 * 1024; -+#endif -+ -+ if (gr_process_kernel_exec_ban() || gr_process_suid_exec_ban(bprm)) { -+ retval = -EPERM; -+ goto out_fail; -+ } -+ -+ if (!gr_tpe_allow(file)) { -+ retval = -EACCES; -+ goto out_fail; -+ } -+ -+ if (gr_check_crash_exec(file)) { -+ retval = -EACCES; -+ goto out_fail; -+ } -+ -+ retval = gr_set_proc_label(file->f_path.dentry, file->f_path.mnt, -+ bprm->unsafe); -+ if (retval < 0) -+ goto out_fail; -+ - retval = copy_strings_kernel(1, &bprm->filename, bprm); - if (retval < 0) -- goto out; -+ goto out_fail; - - bprm->exec = bprm->p; - retval = copy_strings(bprm->envc, envp, bprm); - if (retval < 0) -- goto out; -+ goto out_fail; - - retval = copy_strings(bprm->argc, argv, bprm); - if (retval < 0) -- goto out; -+ goto out_fail; -+ -+ gr_log_chroot_exec(file->f_path.dentry, file->f_path.mnt); -+ -+ gr_handle_exec_args(bprm, argv); - - retval = exec_binprm(bprm); - if (retval < 0) -- goto out; -+ goto out_fail; -+#ifdef CONFIG_GRKERNSEC -+ if (old_exec_file) -+ fput(old_exec_file); -+#endif - - /* execve succeeded */ -+ -+ increment_exec_counter(); - current->fs->in_exec = 0; - current->in_execve = 0; - acct_update_integrals(current); -@@ -1597,6 +1764,14 @@ static int do_execveat_common(int fd, struct filename *filename, - put_files_struct(displaced); - return retval; - -+out_fail: -+#ifdef CONFIG_GRKERNSEC -+ current->acl = old_acl; -+ memcpy(current->signal->rlim, old_rlim, sizeof(old_rlim)); -+ fput(current->exec_file); -+ current->exec_file = old_exec_file; -+#endif -+ - out: - if (bprm->mm) { - acct_arg_size(bprm, 0); -@@ -1743,3 +1918,312 @@ COMPAT_SYSCALL_DEFINE5(execveat, int, fd, - argv, envp, flags); - } - #endif -+ -+int pax_check_flags(unsigned long *flags) -+{ -+ int retval = 0; -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_SEGMEXEC) -+ if (*flags & MF_PAX_SEGMEXEC) -+ { -+ *flags &= ~MF_PAX_SEGMEXEC; -+ retval = -EINVAL; -+ } -+#endif -+ -+ if ((*flags & MF_PAX_PAGEEXEC) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ && (*flags & MF_PAX_SEGMEXEC) -+#endif -+ -+ ) -+ { -+ *flags &= ~MF_PAX_PAGEEXEC; -+ retval = -EINVAL; -+ } -+ -+ if ((*flags & MF_PAX_MPROTECT) -+ -+#ifdef CONFIG_PAX_MPROTECT -+ && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) -+#endif -+ -+ ) -+ { -+ *flags &= ~MF_PAX_MPROTECT; -+ retval = -EINVAL; -+ } -+ -+ if ((*flags & MF_PAX_EMUTRAMP) -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) -+#endif -+ -+ ) -+ { -+ *flags &= ~MF_PAX_EMUTRAMP; -+ retval = -EINVAL; -+ } -+ -+ return retval; -+} -+ -+EXPORT_SYMBOL(pax_check_flags); -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+char *pax_get_path(const struct path *path, char *buf, int buflen) -+{ -+ char *pathname = d_path(path, buf, buflen); -+ -+ if (IS_ERR(pathname)) -+ goto toolong; -+ -+ pathname = mangle_path(buf, pathname, "\t\n\"); -+ if (!pathname) -+ goto toolong; -+ -+ *pathname = 0; -+ return buf; -+ -+toolong: -+ return "<path too long>"; -+} -+EXPORT_SYMBOL(pax_get_path); -+ -+void pax_report_fault(struct pt_regs *regs, void *pc, void *sp) -+{ -+ struct task_struct *tsk = current; -+ struct mm_struct *mm = current->mm; -+ char *buffer_exec = (char *)__get_free_page(GFP_KERNEL); -+ char *buffer_fault = (char *)__get_free_page(GFP_KERNEL); -+ char *path_exec = NULL; -+ char *path_fault = NULL; -+ unsigned long start = 0UL, end = 0UL, offset = 0UL; -+ siginfo_t info = { }; -+ -+ if (buffer_exec && buffer_fault) { -+ struct vm_area_struct *vma, *vma_exec = NULL, *vma_fault = NULL; -+ -+ down_read(&mm->mmap_sem); -+ vma = mm->mmap; -+ while (vma && (!vma_exec || !vma_fault)) { -+ if (vma->vm_file && mm->exe_file == vma->vm_file && (vma->vm_flags & VM_EXEC)) -+ vma_exec = vma; -+ if (vma->vm_start <= (unsigned long)pc && (unsigned long)pc < vma->vm_end) -+ vma_fault = vma; -+ vma = vma->vm_next; -+ } -+ if (vma_exec) -+ path_exec = pax_get_path(&vma_exec->vm_file->f_path, buffer_exec, PAGE_SIZE); -+ if (vma_fault) { -+ start = vma_fault->vm_start; -+ end = vma_fault->vm_end; -+ offset = vma_fault->vm_pgoff << PAGE_SHIFT; -+ if (vma_fault->vm_file) -+ path_fault = pax_get_path(&vma_fault->vm_file->f_path, buffer_fault, PAGE_SIZE); -+ else if ((unsigned long)pc >= mm->start_brk && (unsigned long)pc < mm->brk) -+ path_fault = "<heap>"; -+ else if (vma_fault->vm_flags & (VM_GROWSDOWN | VM_GROWSUP)) -+ path_fault = "<stack>"; -+ else -+ path_fault = "<anonymous mapping>"; -+ } -+ up_read(&mm->mmap_sem); -+ } -+ if (tsk->signal->curr_ip) -+ printk(KERN_ERR "PAX: From %pI4: execution attempt in: %s, %08lx-%08lx %08lx\n", &tsk->signal->curr_ip, path_fault, start, end, offset); -+ else -+ printk(KERN_ERR "PAX: execution attempt in: %s, %08lx-%08lx %08lx\n", path_fault, start, end, offset); -+ printk(KERN_ERR "PAX: terminating task: %s(%s):%d, uid/euid: %u/%u, PC: %p, SP: %p\n", path_exec, tsk->comm, task_pid_nr(tsk), -+ from_kuid_munged(&init_user_ns, task_uid(tsk)), from_kuid_munged(&init_user_ns, task_euid(tsk)), pc, sp); -+ free_page((unsigned long)buffer_exec); -+ free_page((unsigned long)buffer_fault); -+ pax_report_insns(regs, pc, sp); -+ info.si_signo = SIGKILL; -+ info.si_errno = 0; -+ info.si_code = SI_KERNEL; -+ info.si_pid = 0; -+ info.si_uid = 0; -+ do_coredump(&info); -+} -+#endif -+ -+#ifdef CONFIG_PAX_REFCOUNT -+void pax_report_refcount_overflow(struct pt_regs *regs) -+{ -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n", -+ &current->signal->curr_ip, current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ else -+ printk(KERN_EMERG "PAX: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n", current->comm, task_pid_nr(current), -+ from_kuid_munged(&init_user_ns, current_uid()), from_kuid_munged(&init_user_ns, current_euid())); -+ print_symbol(KERN_EMERG "PAX: refcount overflow occured at: %s\n", instruction_pointer(regs)); -+ preempt_disable(); -+ show_regs(regs); -+ preempt_enable(); -+ force_sig_info(SIGKILL, SEND_SIG_FORCED, current); -+} -+#endif -+ -+#ifdef CONFIG_PAX_USERCOPY -+/* 0: not at all, 1: fully, 2: fully inside frame, -1: partially (implies an error) */ -+static noinline int check_stack_object(const void *obj, unsigned long len) -+{ -+ const void * const stack = task_stack_page(current); -+ const void * const stackend = stack + THREAD_SIZE; -+ -+#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86) -+ const void *frame = NULL; -+ const void *oldframe; -+#endif -+ -+ if (obj + len < obj) -+ return -1; -+ -+ if (obj + len <= stack || stackend <= obj) -+ return 0; -+ -+ if (obj < stack || stackend < obj + len) -+ return -1; -+ -+#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86) -+ oldframe = __builtin_frame_address(1); -+ if (oldframe) -+ frame = __builtin_frame_address(2); -+ /* -+ low ----------------------------------------------> high -+ [saved bp][saved ip][args][local vars][saved bp][saved ip] -+ ^----------------^ -+ allow copies only within here -+ */ -+ while (stack <= frame && frame < stackend) { -+ /* if obj + len extends past the last frame, this -+ check won't pass and the next frame will be 0, -+ causing us to bail out and correctly report -+ the copy as invalid -+ */ -+ if (obj + len <= frame) -+ return obj >= oldframe + 2 * sizeof(void *) ? 2 : -1; -+ oldframe = frame; -+ frame = *(const void * const *)frame; -+ } -+ return -1; -+#else -+ return 1; -+#endif -+} -+ -+static __noreturn void pax_report_usercopy(const void *ptr, unsigned long len, bool to_user, const char *type) -+{ -+ if (current->signal->curr_ip) -+ printk(KERN_EMERG "PAX: From %pI4: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n", -+ &current->signal->curr_ip, to_user ? "leak" : "overwrite", to_user ? "from" : "to", ptr, type ? : "unknown", len); -+ else -+ printk(KERN_EMERG "PAX: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n", -+ to_user ? "leak" : "overwrite", to_user ? "from" : "to", ptr, type ? : "unknown", len); -+ dump_stack(); -+ gr_handle_kernel_exploit(); -+ do_group_exit(SIGKILL); -+} -+#endif -+ -+#ifdef CONFIG_PAX_USERCOPY -+ -+static inline bool check_kernel_text_object(unsigned long low, unsigned long high) -+{ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ unsigned long textlow = ktla_ktva((unsigned long)_stext); -+#ifdef CONFIG_MODULES -+ unsigned long texthigh = (unsigned long)MODULES_EXEC_VADDR; -+#else -+ unsigned long texthigh = ktla_ktva((unsigned long)_etext); -+#endif -+ -+#else -+ unsigned long textlow = (unsigned long)_stext; -+ unsigned long texthigh = (unsigned long)_etext; -+ -+#ifdef CONFIG_X86_64 -+ /* check against linear mapping as well */ -+ if (high > (unsigned long)__va(__pa(textlow)) && -+ low < (unsigned long)__va(__pa(texthigh))) -+ return true; -+#endif -+ -+#endif -+ -+ if (high <= textlow || low >= texthigh) -+ return false; -+ else -+ return true; -+} -+#endif -+ -+void __check_object_size(const void *ptr, unsigned long n, bool to_user, bool const_size) -+{ -+#ifdef CONFIG_PAX_USERCOPY -+ const char *type; -+#endif -+ -+#if !defined(CONFIG_STACK_GROWSUP) && !defined(CONFIG_X86_64) -+ unsigned long stackstart = (unsigned long)task_stack_page(current); -+ unsigned long currentsp = (unsigned long)&stackstart; -+ if (unlikely((currentsp < stackstart + 512 || -+ currentsp >= stackstart + THREAD_SIZE) && !in_interrupt())) -+ BUG(); -+#endif -+ -+#ifndef CONFIG_PAX_USERCOPY_DEBUG -+ if (const_size) -+ return; -+#endif -+ -+#ifdef CONFIG_PAX_USERCOPY -+ if (!n) -+ return; -+ -+ type = check_heap_object(ptr, n); -+ if (!type) { -+ int ret = check_stack_object(ptr, n); -+ if (ret == 1 || ret == 2) -+ return; -+ if (ret == 0) { -+ if (check_kernel_text_object((unsigned long)ptr, (unsigned long)ptr + n)) -+ type = "<kernel text>"; -+ else -+ return; -+ } else -+ type = "<process stack>"; -+ } -+ -+ pax_report_usercopy(ptr, n, to_user, type); -+#endif -+ -+} -+EXPORT_SYMBOL(__check_object_size); -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+void __used pax_track_stack(void) -+{ -+ unsigned long sp = (unsigned long)&sp; -+ if (sp < current_thread_info()->lowest_stack && -+ sp >= (unsigned long)task_stack_page(current) + 2 * sizeof(unsigned long)) -+ current_thread_info()->lowest_stack = sp; -+ if (unlikely((sp & ~(THREAD_SIZE - 1)) < (THREAD_SIZE/16))) -+ BUG(); -+} -+EXPORT_SYMBOL(pax_track_stack); -+#endif -+ -+#ifdef CONFIG_PAX_SIZE_OVERFLOW -+void __nocapture(1, 3, 4) __used report_size_overflow(const char *file, unsigned int line, const char *func, const char *ssa_name) -+{ -+ printk(KERN_EMERG "PAX: size overflow detected in function %s %s:%u %s", func, file, line, ssa_name); -+ dump_stack(); -+ do_group_exit(SIGKILL); -+} -+EXPORT_SYMBOL(report_size_overflow); -+#endif -diff --git a/fs/ext2/balloc.c b/fs/ext2/balloc.c -index 9f9992b..8b59411 100644 ---- a/fs/ext2/balloc.c -+++ b/fs/ext2/balloc.c -@@ -1184,10 +1184,10 @@ static int ext2_has_free_blocks(struct ext2_sb_info *sbi) - - free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter); - root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count); -- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) && -+ if (free_blocks < root_blocks + 1 && - !uid_eq(sbi->s_resuid, current_fsuid()) && - (gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) || -- !in_group_p (sbi->s_resgid))) { -+ !in_group_p (sbi->s_resgid)) && !capable_nolog(CAP_SYS_RESOURCE)) { - return 0; - } - return 1; -diff --git a/fs/ext2/super.c b/fs/ext2/super.c -index d0e746e..82e06f0 100644 ---- a/fs/ext2/super.c -+++ b/fs/ext2/super.c -@@ -267,10 +267,8 @@ static int ext2_show_options(struct seq_file *seq, struct dentry *root) - #ifdef CONFIG_EXT2_FS_XATTR - if (test_opt(sb, XATTR_USER)) - seq_puts(seq, ",user_xattr"); -- if (!test_opt(sb, XATTR_USER) && -- (def_mount_opts & EXT2_DEFM_XATTR_USER)) { -+ if (!test_opt(sb, XATTR_USER)) - seq_puts(seq, ",nouser_xattr"); -- } - #endif - - #ifdef CONFIG_EXT2_FS_POSIX_ACL -@@ -856,8 +854,8 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) - if (def_mount_opts & EXT2_DEFM_UID16) - set_opt(sbi->s_mount_opt, NO_UID32); - #ifdef CONFIG_EXT2_FS_XATTR -- if (def_mount_opts & EXT2_DEFM_XATTR_USER) -- set_opt(sbi->s_mount_opt, XATTR_USER); -+ /* always enable user xattrs */ -+ set_opt(sbi->s_mount_opt, XATTR_USER); - #endif - #ifdef CONFIG_EXT2_FS_POSIX_ACL - if (def_mount_opts & EXT2_DEFM_ACL) -diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c -index 0b6bfd3..93a2964 100644 ---- a/fs/ext2/xattr.c -+++ b/fs/ext2/xattr.c -@@ -247,7 +247,7 @@ ext2_xattr_list(struct dentry *dentry, char *buffer, size_t buffer_size) - struct buffer_head *bh = NULL; - struct ext2_xattr_entry *entry; - char *end; -- size_t rest = buffer_size; -+ size_t rest = buffer_size, total_size = 0; - int error; - - ea_idebug(inode, "buffer=%p, buffer_size=%ld", -@@ -305,9 +305,10 @@ bad_block: ext2_error(inode->i_sb, "ext2_xattr_list", - buffer += size; - } - rest -= size; -+ total_size += size; - } - } -- error = buffer_size - rest; /* total size */ -+ error = total_size; - - cleanup: - brelse(bh); -diff --git a/fs/ext3/balloc.c b/fs/ext3/balloc.c -index 158b5d4..2432610 100644 ---- a/fs/ext3/balloc.c -+++ b/fs/ext3/balloc.c -@@ -1438,10 +1438,10 @@ static int ext3_has_free_blocks(struct ext3_sb_info *sbi, int use_reservation) - - free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter); - root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count); -- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) && -+ if (free_blocks < root_blocks + 1 && - !use_reservation && !uid_eq(sbi->s_resuid, current_fsuid()) && - (gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) || -- !in_group_p (sbi->s_resgid))) { -+ !in_group_p (sbi->s_resgid)) && !capable_nolog(CAP_SYS_RESOURCE)) { - return 0; - } - return 1; -diff --git a/fs/ext3/super.c b/fs/ext3/super.c -index a9312f0..e3a11ec 100644 ---- a/fs/ext3/super.c -+++ b/fs/ext3/super.c -@@ -655,10 +655,8 @@ static int ext3_show_options(struct seq_file *seq, struct dentry *root) - #ifdef CONFIG_EXT3_FS_XATTR - if (test_opt(sb, XATTR_USER)) - seq_puts(seq, ",user_xattr"); -- if (!test_opt(sb, XATTR_USER) && -- (def_mount_opts & EXT3_DEFM_XATTR_USER)) { -+ if (!test_opt(sb, XATTR_USER)) - seq_puts(seq, ",nouser_xattr"); -- } - #endif - #ifdef CONFIG_EXT3_FS_POSIX_ACL - if (test_opt(sb, POSIX_ACL)) -@@ -1760,8 +1758,8 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent) - if (def_mount_opts & EXT3_DEFM_UID16) - set_opt(sbi->s_mount_opt, NO_UID32); - #ifdef CONFIG_EXT3_FS_XATTR -- if (def_mount_opts & EXT3_DEFM_XATTR_USER) -- set_opt(sbi->s_mount_opt, XATTR_USER); -+ /* always enable user xattrs */ -+ set_opt(sbi->s_mount_opt, XATTR_USER); - #endif - #ifdef CONFIG_EXT3_FS_POSIX_ACL - if (def_mount_opts & EXT3_DEFM_ACL) -diff --git a/fs/ext3/xattr.c b/fs/ext3/xattr.c -index 7cf3650..e3f4a51 100644 ---- a/fs/ext3/xattr.c -+++ b/fs/ext3/xattr.c -@@ -330,7 +330,7 @@ static int - ext3_xattr_list_entries(struct dentry *dentry, struct ext3_xattr_entry *entry, - char *buffer, size_t buffer_size) - { -- size_t rest = buffer_size; -+ size_t rest = buffer_size, total_size = 0; - - for (; !IS_LAST_ENTRY(entry); entry = EXT3_XATTR_NEXT(entry)) { - const struct xattr_handler *handler = -@@ -347,9 +347,10 @@ ext3_xattr_list_entries(struct dentry *dentry, struct ext3_xattr_entry *entry, - buffer += size; - } - rest -= size; -+ total_size += size; - } - } -- return buffer_size - rest; -+ return total_size; - } - - static int -diff --git a/fs/ext4/balloc.c b/fs/ext4/balloc.c -index 955bf49a..44ee359 100644 ---- a/fs/ext4/balloc.c -+++ b/fs/ext4/balloc.c -@@ -556,8 +556,8 @@ static int ext4_has_free_clusters(struct ext4_sb_info *sbi, - /* Hm, nope. Are (enough) root reserved clusters available? */ - if (uid_eq(sbi->s_resuid, current_fsuid()) || - (!gid_eq(sbi->s_resgid, GLOBAL_ROOT_GID) && in_group_p(sbi->s_resgid)) || -- capable(CAP_SYS_RESOURCE) || -- (flags & EXT4_MB_USE_ROOT_BLOCKS)) { -+ (flags & EXT4_MB_USE_ROOT_BLOCKS) || -+ capable_nolog(CAP_SYS_RESOURCE)) { - - if (free_clusters >= (nclusters + dirty_clusters + - resv_clusters)) -diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h -index 9a83f14..1dd1b38 100644 ---- a/fs/ext4/ext4.h -+++ b/fs/ext4/ext4.h -@@ -1310,19 +1310,19 @@ struct ext4_sb_info { - unsigned long s_mb_last_start; - - /* stats for buddy allocator */ -- atomic_t s_bal_reqs; /* number of reqs with len > 1 */ -- atomic_t s_bal_success; /* we found long enough chunks */ -- atomic_t s_bal_allocated; /* in blocks */ -- atomic_t s_bal_ex_scanned; /* total extents scanned */ -- atomic_t s_bal_goals; /* goal hits */ -- atomic_t s_bal_breaks; /* too long searches */ -- atomic_t s_bal_2orders; /* 2^order hits */ -+ atomic_unchecked_t s_bal_reqs; /* number of reqs with len > 1 */ -+ atomic_unchecked_t s_bal_success; /* we found long enough chunks */ -+ atomic_unchecked_t s_bal_allocated; /* in blocks */ -+ atomic_unchecked_t s_bal_ex_scanned; /* total extents scanned */ -+ atomic_unchecked_t s_bal_goals; /* goal hits */ -+ atomic_unchecked_t s_bal_breaks; /* too long searches */ -+ atomic_unchecked_t s_bal_2orders; /* 2^order hits */ - spinlock_t s_bal_lock; - unsigned long s_mb_buddies_generated; - unsigned long long s_mb_generation_time; -- atomic_t s_mb_lost_chunks; -- atomic_t s_mb_preallocated; -- atomic_t s_mb_discarded; -+ atomic_unchecked_t s_mb_lost_chunks; -+ atomic_unchecked_t s_mb_preallocated; -+ atomic_unchecked_t s_mb_discarded; - atomic_t s_lock_busy; - - /* locality groups */ -diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c -index 4126048..3788867 100644 ---- a/fs/ext4/mballoc.c -+++ b/fs/ext4/mballoc.c -@@ -1901,7 +1901,7 @@ void ext4_mb_simple_scan_group(struct ext4_allocation_context *ac, - BUG_ON(ac->ac_b_ex.fe_len != ac->ac_g_ex.fe_len); - - if (EXT4_SB(sb)->s_mb_stats) -- atomic_inc(&EXT4_SB(sb)->s_bal_2orders); -+ atomic_inc_unchecked(&EXT4_SB(sb)->s_bal_2orders); - - break; - } -@@ -2211,7 +2211,7 @@ repeat: - ac->ac_status = AC_STATUS_CONTINUE; - ac->ac_flags |= EXT4_MB_HINT_FIRST; - cr = 3; -- atomic_inc(&sbi->s_mb_lost_chunks); -+ atomic_inc_unchecked(&sbi->s_mb_lost_chunks); - goto repeat; - } - } -@@ -2716,25 +2716,25 @@ int ext4_mb_release(struct super_block *sb) - if (sbi->s_mb_stats) { - ext4_msg(sb, KERN_INFO, - "mballoc: %u blocks %u reqs (%u success)", -- atomic_read(&sbi->s_bal_allocated), -- atomic_read(&sbi->s_bal_reqs), -- atomic_read(&sbi->s_bal_success)); -+ atomic_read_unchecked(&sbi->s_bal_allocated), -+ atomic_read_unchecked(&sbi->s_bal_reqs), -+ atomic_read_unchecked(&sbi->s_bal_success)); - ext4_msg(sb, KERN_INFO, - "mballoc: %u extents scanned, %u goal hits, " - "%u 2^N hits, %u breaks, %u lost", -- atomic_read(&sbi->s_bal_ex_scanned), -- atomic_read(&sbi->s_bal_goals), -- atomic_read(&sbi->s_bal_2orders), -- atomic_read(&sbi->s_bal_breaks), -- atomic_read(&sbi->s_mb_lost_chunks)); -+ atomic_read_unchecked(&sbi->s_bal_ex_scanned), -+ atomic_read_unchecked(&sbi->s_bal_goals), -+ atomic_read_unchecked(&sbi->s_bal_2orders), -+ atomic_read_unchecked(&sbi->s_bal_breaks), -+ atomic_read_unchecked(&sbi->s_mb_lost_chunks)); - ext4_msg(sb, KERN_INFO, - "mballoc: %lu generated and it took %Lu", - sbi->s_mb_buddies_generated, - sbi->s_mb_generation_time); - ext4_msg(sb, KERN_INFO, - "mballoc: %u preallocated, %u discarded", -- atomic_read(&sbi->s_mb_preallocated), -- atomic_read(&sbi->s_mb_discarded)); -+ atomic_read_unchecked(&sbi->s_mb_preallocated), -+ atomic_read_unchecked(&sbi->s_mb_discarded)); - } - - free_percpu(sbi->s_locality_groups); -@@ -3190,16 +3190,16 @@ static void ext4_mb_collect_stats(struct ext4_allocation_context *ac) - struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb); - - if (sbi->s_mb_stats && ac->ac_g_ex.fe_len > 1) { -- atomic_inc(&sbi->s_bal_reqs); -- atomic_add(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated); -+ atomic_inc_unchecked(&sbi->s_bal_reqs); -+ atomic_add_unchecked(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated); - if (ac->ac_b_ex.fe_len >= ac->ac_o_ex.fe_len) -- atomic_inc(&sbi->s_bal_success); -- atomic_add(ac->ac_found, &sbi->s_bal_ex_scanned); -+ atomic_inc_unchecked(&sbi->s_bal_success); -+ atomic_add_unchecked(ac->ac_found, &sbi->s_bal_ex_scanned); - if (ac->ac_g_ex.fe_start == ac->ac_b_ex.fe_start && - ac->ac_g_ex.fe_group == ac->ac_b_ex.fe_group) -- atomic_inc(&sbi->s_bal_goals); -+ atomic_inc_unchecked(&sbi->s_bal_goals); - if (ac->ac_found > sbi->s_mb_max_to_scan) -- atomic_inc(&sbi->s_bal_breaks); -+ atomic_inc_unchecked(&sbi->s_bal_breaks); - } - - if (ac->ac_op == EXT4_MB_HISTORY_ALLOC) -@@ -3626,7 +3626,7 @@ ext4_mb_new_inode_pa(struct ext4_allocation_context *ac) - trace_ext4_mb_new_inode_pa(ac, pa); - - ext4_mb_use_inode_pa(ac, pa); -- atomic_add(pa->pa_free, &sbi->s_mb_preallocated); -+ atomic_add_unchecked(pa->pa_free, &sbi->s_mb_preallocated); - - ei = EXT4_I(ac->ac_inode); - grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group); -@@ -3686,7 +3686,7 @@ ext4_mb_new_group_pa(struct ext4_allocation_context *ac) - trace_ext4_mb_new_group_pa(ac, pa); - - ext4_mb_use_group_pa(ac, pa); -- atomic_add(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated); -+ atomic_add_unchecked(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated); - - grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group); - lg = ac->ac_lg; -@@ -3775,7 +3775,7 @@ ext4_mb_release_inode_pa(struct ext4_buddy *e4b, struct buffer_head *bitmap_bh, - * from the bitmap and continue. - */ - } -- atomic_add(free, &sbi->s_mb_discarded); -+ atomic_add_unchecked(free, &sbi->s_mb_discarded); - - return err; - } -@@ -3793,7 +3793,7 @@ ext4_mb_release_group_pa(struct ext4_buddy *e4b, - ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, &bit); - BUG_ON(group != e4b->bd_group && pa->pa_len != 0); - mb_free_blocks(pa->pa_inode, e4b, bit, pa->pa_len); -- atomic_add(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded); -+ atomic_add_unchecked(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded); - trace_ext4_mballoc_discard(sb, NULL, group, bit, pa->pa_len); - - return 0; -diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c -index 8313ca3..8a37d08 100644 ---- a/fs/ext4/mmp.c -+++ b/fs/ext4/mmp.c -@@ -111,7 +111,7 @@ static int read_mmp_block(struct super_block *sb, struct buffer_head **bh, - void __dump_mmp_msg(struct super_block *sb, struct mmp_struct *mmp, - const char *function, unsigned int line, const char *msg) - { -- __ext4_warning(sb, function, line, msg); -+ __ext4_warning(sb, function, line, "%s", msg); - __ext4_warning(sb, function, line, - "MMP failure info: last update time: %llu, last update " - "node: %s, last update device: %s\n", -diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c -index cf0c472..ddf284d 100644 ---- a/fs/ext4/resize.c -+++ b/fs/ext4/resize.c -@@ -413,7 +413,7 @@ static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle, - - ext4_debug("mark blocks [%llu/%u] used\n", block, count); - for (count2 = count; count > 0; count -= count2, block += count2) { -- ext4_fsblk_t start; -+ ext4_fsblk_t start, diff; - struct buffer_head *bh; - ext4_group_t group; - int err; -@@ -422,10 +422,6 @@ static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle, - start = ext4_group_first_block_no(sb, group); - group -= flex_gd->groups[0].group; - -- count2 = EXT4_BLOCKS_PER_GROUP(sb) - (block - start); -- if (count2 > count) -- count2 = count; -- - if (flex_gd->bg_flags[group] & EXT4_BG_BLOCK_UNINIT) { - BUG_ON(flex_gd->count > 1); - continue; -@@ -443,9 +439,15 @@ static int set_flexbg_block_bitmap(struct super_block *sb, handle_t *handle, - err = ext4_journal_get_write_access(handle, bh); - if (err) - return err; -+ -+ diff = block - start; -+ count2 = EXT4_BLOCKS_PER_GROUP(sb) - diff; -+ if (count2 > count) -+ count2 = count; -+ - ext4_debug("mark block bitmap %#04llx (+%llu/%u)\n", block, -- block - start, count2); -- ext4_set_bits(bh->b_data, block - start, count2); -+ diff, count2); -+ ext4_set_bits(bh->b_data, diff, count2); - - err = ext4_handle_dirty_metadata(handle, NULL, bh); - if (unlikely(err)) -diff --git a/fs/ext4/super.c b/fs/ext4/super.c -index ca12affd..18b4b75 100644 ---- a/fs/ext4/super.c -+++ b/fs/ext4/super.c -@@ -1233,7 +1233,7 @@ static ext4_fsblk_t get_sb_block(void **data) - } - - #define DEFAULT_JOURNAL_IOPRIO (IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, 3)) --static char deprecated_msg[] = "Mount option "%s" will be removed by %s\n" -+static const char deprecated_msg[] = "Mount option "%s" will be removed by %s\n" - "Contact linux-ext4@vger.kernel.org if you think we should keep it.\n"; - - #ifdef CONFIG_QUOTA -@@ -2443,7 +2443,7 @@ struct ext4_attr { - int offset; - int deprecated_val; - } u; --}; -+} __do_const; - - static int parse_strtoull(const char *buf, - unsigned long long max, unsigned long long *value) -diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c -index 16e28c0..728c282 100644 ---- a/fs/ext4/xattr.c -+++ b/fs/ext4/xattr.c -@@ -398,7 +398,7 @@ static int - ext4_xattr_list_entries(struct dentry *dentry, struct ext4_xattr_entry *entry, - char *buffer, size_t buffer_size) - { -- size_t rest = buffer_size; -+ size_t rest = buffer_size, total_size = 0; - - for (; !IS_LAST_ENTRY(entry); entry = EXT4_XATTR_NEXT(entry)) { - const struct xattr_handler *handler = -@@ -415,9 +415,10 @@ ext4_xattr_list_entries(struct dentry *dentry, struct ext4_xattr_entry *entry, - buffer += size; - } - rest -= size; -+ total_size += size; - } - } -- return buffer_size - rest; -+ return total_size; - } - - static int -diff --git a/fs/fcntl.c b/fs/fcntl.c -index ee85cd4..9dd0d20 100644 ---- a/fs/fcntl.c -+++ b/fs/fcntl.c -@@ -102,6 +102,10 @@ void __f_setown(struct file *filp, struct pid *pid, enum pid_type type, - int force) - { - security_file_set_fowner(filp); -+ if (gr_handle_chroot_fowner(pid, type)) -+ return; -+ if (gr_check_protected_task_fowner(pid, type)) -+ return; - f_modown(filp, pid, type, force); - } - EXPORT_SYMBOL(__f_setown); -diff --git a/fs/fhandle.c b/fs/fhandle.c -index d59712d..2281df9 100644 ---- a/fs/fhandle.c -+++ b/fs/fhandle.c -@@ -8,6 +8,7 @@ - #include <linux/fs_struct.h> - #include <linux/fsnotify.h> - #include <linux/personality.h> -+#include <linux/grsecurity.h> - #include <asm/uaccess.h> - #include "internal.h" - #include "mount.h" -@@ -67,8 +68,7 @@ static long do_sys_name_to_handle(struct path *path, - } else - retval = 0; - /* copy the mount id */ -- if (copy_to_user(mnt_id, &real_mount(path->mnt)->mnt_id, -- sizeof(*mnt_id)) || -+ if (put_user(real_mount(path->mnt)->mnt_id, mnt_id) || - copy_to_user(ufh, handle, - sizeof(struct file_handle) + handle_bytes)) - retval = -EFAULT; -@@ -175,7 +175,7 @@ static int handle_to_path(int mountdirfd, struct file_handle __user *ufh, - * the directory. Ideally we would like CAP_DAC_SEARCH. - * But we don't have that - */ -- if (!capable(CAP_DAC_READ_SEARCH)) { -+ if (!capable(CAP_DAC_READ_SEARCH) || !gr_chroot_fhandle()) { - retval = -EPERM; - goto out_err; - } -diff --git a/fs/file.c b/fs/file.c -index 93c5f89..ed75817 100644 ---- a/fs/file.c -+++ b/fs/file.c -@@ -16,6 +16,7 @@ - #include <linux/slab.h> - #include <linux/vmalloc.h> - #include <linux/file.h> -+#include <linux/security.h> - #include <linux/fdtable.h> - #include <linux/bitops.h> - #include <linux/interrupt.h> -@@ -139,7 +140,7 @@ out: - * Return <0 error code on error; 1 on successful completion. - * The files->file_lock should be held on entry, and will be held on exit. - */ --static int expand_fdtable(struct files_struct *files, int nr) -+static int expand_fdtable(struct files_struct *files, unsigned int nr) - __releases(files->file_lock) - __acquires(files->file_lock) - { -@@ -184,7 +185,7 @@ static int expand_fdtable(struct files_struct *files, int nr) - * expanded and execution may have blocked. - * The files->file_lock should be held on entry, and will be held on exit. - */ --static int expand_files(struct files_struct *files, int nr) -+static int expand_files(struct files_struct *files, unsigned int nr) - { - struct fdtable *fdt; - -@@ -799,6 +800,7 @@ int replace_fd(unsigned fd, struct file *file, unsigned flags) - if (!file) - return __close_fd(files, fd); - -+ gr_learn_resource(current, RLIMIT_NOFILE, fd, 0); - if (fd >= rlimit(RLIMIT_NOFILE)) - return -EBADF; - -@@ -825,6 +827,7 @@ SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags) - if (unlikely(oldfd == newfd)) - return -EINVAL; - -+ gr_learn_resource(current, RLIMIT_NOFILE, newfd, 0); - if (newfd >= rlimit(RLIMIT_NOFILE)) - return -EBADF; - -@@ -880,6 +883,7 @@ SYSCALL_DEFINE1(dup, unsigned int, fildes) - int f_dupfd(unsigned int from, struct file *file, unsigned flags) - { - int err; -+ gr_learn_resource(current, RLIMIT_NOFILE, from, 0); - if (from >= rlimit(RLIMIT_NOFILE)) - return -EINVAL; - err = alloc_fd(from, flags); -diff --git a/fs/filesystems.c b/fs/filesystems.c -index 5797d45..7d7d79a 100644 ---- a/fs/filesystems.c -+++ b/fs/filesystems.c -@@ -275,7 +275,11 @@ struct file_system_type *get_fs_type(const char *name) - int len = dot ? dot - name : strlen(name); - - fs = __get_fs_type(name, len); -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (!fs && (___request_module(true, "grsec_modharden_fs", "fs-%.*s", len, name) == 0)) -+#else - if (!fs && (request_module("fs-%.*s", len, name) == 0)) -+#endif - fs = __get_fs_type(name, len); - - if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) { -diff --git a/fs/fs_struct.c b/fs/fs_struct.c -index 7dca743..1ff87ae 100644 ---- a/fs/fs_struct.c -+++ b/fs/fs_struct.c -@@ -4,6 +4,7 @@ - #include <linux/path.h> - #include <linux/slab.h> - #include <linux/fs_struct.h> -+#include <linux/grsecurity.h> - #include "internal.h" - - /* -@@ -15,14 +16,18 @@ void set_fs_root(struct fs_struct *fs, const struct path *path) - struct path old_root; - - path_get(path); -+ gr_inc_chroot_refcnts(path->dentry, path->mnt); - spin_lock(&fs->lock); - write_seqcount_begin(&fs->seq); - old_root = fs->root; - fs->root = *path; -+ gr_set_chroot_entries(current, path); - write_seqcount_end(&fs->seq); - spin_unlock(&fs->lock); -- if (old_root.dentry) -+ if (old_root.dentry) { -+ gr_dec_chroot_refcnts(old_root.dentry, old_root.mnt); - path_put(&old_root); -+ } - } - - /* -@@ -67,6 +72,10 @@ void chroot_fs_refs(const struct path *old_root, const struct path *new_root) - int hits = 0; - spin_lock(&fs->lock); - write_seqcount_begin(&fs->seq); -+ /* this root replacement is only done by pivot_root, -+ leave grsec's chroot tagging alone for this task -+ so that a pivoted root isn't treated as a chroot -+ */ - hits += replace_path(&fs->root, old_root, new_root); - hits += replace_path(&fs->pwd, old_root, new_root); - write_seqcount_end(&fs->seq); -@@ -85,6 +94,7 @@ void chroot_fs_refs(const struct path *old_root, const struct path *new_root) - - void free_fs_struct(struct fs_struct *fs) - { -+ gr_dec_chroot_refcnts(fs->root.dentry, fs->root.mnt); - path_put(&fs->root); - path_put(&fs->pwd); - kmem_cache_free(fs_cachep, fs); -@@ -99,7 +109,8 @@ void exit_fs(struct task_struct *tsk) - task_lock(tsk); - spin_lock(&fs->lock); - tsk->fs = NULL; -- kill = !--fs->users; -+ gr_clear_chroot_entries(tsk); -+ kill = !atomic_dec_return(&fs->users); - spin_unlock(&fs->lock); - task_unlock(tsk); - if (kill) -@@ -112,7 +123,7 @@ struct fs_struct *copy_fs_struct(struct fs_struct *old) - struct fs_struct *fs = kmem_cache_alloc(fs_cachep, GFP_KERNEL); - /* We don't need to lock fs - think why ;-) */ - if (fs) { -- fs->users = 1; -+ atomic_set(&fs->users, 1); - fs->in_exec = 0; - spin_lock_init(&fs->lock); - seqcount_init(&fs->seq); -@@ -121,9 +132,13 @@ struct fs_struct *copy_fs_struct(struct fs_struct *old) - spin_lock(&old->lock); - fs->root = old->root; - path_get(&fs->root); -+ /* instead of calling gr_set_chroot_entries here, -+ we call it from every caller of this function -+ */ - fs->pwd = old->pwd; - path_get(&fs->pwd); - spin_unlock(&old->lock); -+ gr_inc_chroot_refcnts(fs->root.dentry, fs->root.mnt); - } - return fs; - } -@@ -139,8 +154,9 @@ int unshare_fs_struct(void) - - task_lock(current); - spin_lock(&fs->lock); -- kill = !--fs->users; -+ kill = !atomic_dec_return(&fs->users); - current->fs = new_fs; -+ gr_set_chroot_entries(current, &new_fs->root); - spin_unlock(&fs->lock); - task_unlock(current); - -@@ -153,13 +169,13 @@ EXPORT_SYMBOL_GPL(unshare_fs_struct); - - int current_umask(void) - { -- return current->fs->umask; -+ return current->fs->umask | gr_acl_umask(); - } - EXPORT_SYMBOL(current_umask); - - /* to be mentioned only in INIT_TASK */ - struct fs_struct init_fs = { -- .users = 1, -+ .users = ATOMIC_INIT(1), - .lock = __SPIN_LOCK_UNLOCKED(init_fs.lock), - .seq = SEQCNT_ZERO(init_fs.seq), - .umask = 0022, -diff --git a/fs/fscache/cookie.c b/fs/fscache/cookie.c -index 89acec7..a575262 100644 ---- a/fs/fscache/cookie.c -+++ b/fs/fscache/cookie.c -@@ -19,7 +19,7 @@ - - struct kmem_cache *fscache_cookie_jar; - --static atomic_t fscache_object_debug_id = ATOMIC_INIT(0); -+static atomic_unchecked_t fscache_object_debug_id = ATOMIC_INIT(0); - - static int fscache_acquire_non_index_cookie(struct fscache_cookie *cookie); - static int fscache_alloc_object(struct fscache_cache *cache, -@@ -69,11 +69,11 @@ struct fscache_cookie *__fscache_acquire_cookie( - parent ? (char *) parent->def->name : "<no-parent>", - def->name, netfs_data, enable); - -- fscache_stat(&fscache_n_acquires); -+ fscache_stat_unchecked(&fscache_n_acquires); - - /* if there's no parent cookie, then we don't create one here either */ - if (!parent) { -- fscache_stat(&fscache_n_acquires_null); -+ fscache_stat_unchecked(&fscache_n_acquires_null); - _leave(" [no parent]"); - return NULL; - } -@@ -88,7 +88,7 @@ struct fscache_cookie *__fscache_acquire_cookie( - /* allocate and initialise a cookie */ - cookie = kmem_cache_alloc(fscache_cookie_jar, GFP_KERNEL); - if (!cookie) { -- fscache_stat(&fscache_n_acquires_oom); -+ fscache_stat_unchecked(&fscache_n_acquires_oom); - _leave(" [ENOMEM]"); - return NULL; - } -@@ -115,13 +115,13 @@ struct fscache_cookie *__fscache_acquire_cookie( - - switch (cookie->def->type) { - case FSCACHE_COOKIE_TYPE_INDEX: -- fscache_stat(&fscache_n_cookie_index); -+ fscache_stat_unchecked(&fscache_n_cookie_index); - break; - case FSCACHE_COOKIE_TYPE_DATAFILE: -- fscache_stat(&fscache_n_cookie_data); -+ fscache_stat_unchecked(&fscache_n_cookie_data); - break; - default: -- fscache_stat(&fscache_n_cookie_special); -+ fscache_stat_unchecked(&fscache_n_cookie_special); - break; - } - -@@ -135,7 +135,7 @@ struct fscache_cookie *__fscache_acquire_cookie( - } else { - atomic_dec(&parent->n_children); - __fscache_cookie_put(cookie); -- fscache_stat(&fscache_n_acquires_nobufs); -+ fscache_stat_unchecked(&fscache_n_acquires_nobufs); - _leave(" = NULL"); - return NULL; - } -@@ -144,7 +144,7 @@ struct fscache_cookie *__fscache_acquire_cookie( - } - } - -- fscache_stat(&fscache_n_acquires_ok); -+ fscache_stat_unchecked(&fscache_n_acquires_ok); - _leave(" = %p", cookie); - return cookie; - } -@@ -213,7 +213,7 @@ static int fscache_acquire_non_index_cookie(struct fscache_cookie *cookie) - cache = fscache_select_cache_for_object(cookie->parent); - if (!cache) { - up_read(&fscache_addremove_sem); -- fscache_stat(&fscache_n_acquires_no_cache); -+ fscache_stat_unchecked(&fscache_n_acquires_no_cache); - _leave(" = -ENOMEDIUM [no cache]"); - return -ENOMEDIUM; - } -@@ -297,14 +297,14 @@ static int fscache_alloc_object(struct fscache_cache *cache, - object = cache->ops->alloc_object(cache, cookie); - fscache_stat_d(&fscache_n_cop_alloc_object); - if (IS_ERR(object)) { -- fscache_stat(&fscache_n_object_no_alloc); -+ fscache_stat_unchecked(&fscache_n_object_no_alloc); - ret = PTR_ERR(object); - goto error; - } - -- fscache_stat(&fscache_n_object_alloc); -+ fscache_stat_unchecked(&fscache_n_object_alloc); - -- object->debug_id = atomic_inc_return(&fscache_object_debug_id); -+ object->debug_id = atomic_inc_return_unchecked(&fscache_object_debug_id); - - _debug("ALLOC OBJ%x: %s {%lx}", - object->debug_id, cookie->def->name, object->events); -@@ -418,7 +418,7 @@ void __fscache_invalidate(struct fscache_cookie *cookie) - - _enter("{%s}", cookie->def->name); - -- fscache_stat(&fscache_n_invalidates); -+ fscache_stat_unchecked(&fscache_n_invalidates); - - /* Only permit invalidation of data files. Invalidating an index will - * require the caller to release all its attachments to the tree rooted -@@ -476,10 +476,10 @@ void __fscache_update_cookie(struct fscache_cookie *cookie) - { - struct fscache_object *object; - -- fscache_stat(&fscache_n_updates); -+ fscache_stat_unchecked(&fscache_n_updates); - - if (!cookie) { -- fscache_stat(&fscache_n_updates_null); -+ fscache_stat_unchecked(&fscache_n_updates_null); - _leave(" [no cookie]"); - return; - } -@@ -580,12 +580,12 @@ EXPORT_SYMBOL(__fscache_disable_cookie); - */ - void __fscache_relinquish_cookie(struct fscache_cookie *cookie, bool retire) - { -- fscache_stat(&fscache_n_relinquishes); -+ fscache_stat_unchecked(&fscache_n_relinquishes); - if (retire) -- fscache_stat(&fscache_n_relinquishes_retire); -+ fscache_stat_unchecked(&fscache_n_relinquishes_retire); - - if (!cookie) { -- fscache_stat(&fscache_n_relinquishes_null); -+ fscache_stat_unchecked(&fscache_n_relinquishes_null); - _leave(" [no cookie]"); - return; - } -@@ -686,7 +686,7 @@ int __fscache_check_consistency(struct fscache_cookie *cookie) - if (test_bit(FSCACHE_IOERROR, &object->cache->flags)) - goto inconsistent; - -- op->debug_id = atomic_inc_return(&fscache_op_debug_id); -+ op->debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id); - - __fscache_use_cookie(cookie); - if (fscache_submit_op(object, op) < 0) -diff --git a/fs/fscache/internal.h b/fs/fscache/internal.h -index 7872a62..d91b19f 100644 ---- a/fs/fscache/internal.h -+++ b/fs/fscache/internal.h -@@ -137,8 +137,8 @@ extern void fscache_operation_gc(struct work_struct *); - extern int fscache_wait_for_deferred_lookup(struct fscache_cookie *); - extern int fscache_wait_for_operation_activation(struct fscache_object *, - struct fscache_operation *, -- atomic_t *, -- atomic_t *, -+ atomic_unchecked_t *, -+ atomic_unchecked_t *, - void (*)(struct fscache_operation *)); - extern void fscache_invalidate_writes(struct fscache_cookie *); - -@@ -157,101 +157,101 @@ extern void fscache_proc_cleanup(void); - * stats.c - */ - #ifdef CONFIG_FSCACHE_STATS --extern atomic_t fscache_n_ops_processed[FSCACHE_MAX_THREADS]; --extern atomic_t fscache_n_objs_processed[FSCACHE_MAX_THREADS]; -+extern atomic_unchecked_t fscache_n_ops_processed[FSCACHE_MAX_THREADS]; -+extern atomic_unchecked_t fscache_n_objs_processed[FSCACHE_MAX_THREADS]; - --extern atomic_t fscache_n_op_pend; --extern atomic_t fscache_n_op_run; --extern atomic_t fscache_n_op_enqueue; --extern atomic_t fscache_n_op_deferred_release; --extern atomic_t fscache_n_op_release; --extern atomic_t fscache_n_op_gc; --extern atomic_t fscache_n_op_cancelled; --extern atomic_t fscache_n_op_rejected; -+extern atomic_unchecked_t fscache_n_op_pend; -+extern atomic_unchecked_t fscache_n_op_run; -+extern atomic_unchecked_t fscache_n_op_enqueue; -+extern atomic_unchecked_t fscache_n_op_deferred_release; -+extern atomic_unchecked_t fscache_n_op_release; -+extern atomic_unchecked_t fscache_n_op_gc; -+extern atomic_unchecked_t fscache_n_op_cancelled; -+extern atomic_unchecked_t fscache_n_op_rejected; - --extern atomic_t fscache_n_attr_changed; --extern atomic_t fscache_n_attr_changed_ok; --extern atomic_t fscache_n_attr_changed_nobufs; --extern atomic_t fscache_n_attr_changed_nomem; --extern atomic_t fscache_n_attr_changed_calls; -+extern atomic_unchecked_t fscache_n_attr_changed; -+extern atomic_unchecked_t fscache_n_attr_changed_ok; -+extern atomic_unchecked_t fscache_n_attr_changed_nobufs; -+extern atomic_unchecked_t fscache_n_attr_changed_nomem; -+extern atomic_unchecked_t fscache_n_attr_changed_calls; - --extern atomic_t fscache_n_allocs; --extern atomic_t fscache_n_allocs_ok; --extern atomic_t fscache_n_allocs_wait; --extern atomic_t fscache_n_allocs_nobufs; --extern atomic_t fscache_n_allocs_intr; --extern atomic_t fscache_n_allocs_object_dead; --extern atomic_t fscache_n_alloc_ops; --extern atomic_t fscache_n_alloc_op_waits; -+extern atomic_unchecked_t fscache_n_allocs; -+extern atomic_unchecked_t fscache_n_allocs_ok; -+extern atomic_unchecked_t fscache_n_allocs_wait; -+extern atomic_unchecked_t fscache_n_allocs_nobufs; -+extern atomic_unchecked_t fscache_n_allocs_intr; -+extern atomic_unchecked_t fscache_n_allocs_object_dead; -+extern atomic_unchecked_t fscache_n_alloc_ops; -+extern atomic_unchecked_t fscache_n_alloc_op_waits; - --extern atomic_t fscache_n_retrievals; --extern atomic_t fscache_n_retrievals_ok; --extern atomic_t fscache_n_retrievals_wait; --extern atomic_t fscache_n_retrievals_nodata; --extern atomic_t fscache_n_retrievals_nobufs; --extern atomic_t fscache_n_retrievals_intr; --extern atomic_t fscache_n_retrievals_nomem; --extern atomic_t fscache_n_retrievals_object_dead; --extern atomic_t fscache_n_retrieval_ops; --extern atomic_t fscache_n_retrieval_op_waits; -+extern atomic_unchecked_t fscache_n_retrievals; -+extern atomic_unchecked_t fscache_n_retrievals_ok; -+extern atomic_unchecked_t fscache_n_retrievals_wait; -+extern atomic_unchecked_t fscache_n_retrievals_nodata; -+extern atomic_unchecked_t fscache_n_retrievals_nobufs; -+extern atomic_unchecked_t fscache_n_retrievals_intr; -+extern atomic_unchecked_t fscache_n_retrievals_nomem; -+extern atomic_unchecked_t fscache_n_retrievals_object_dead; -+extern atomic_unchecked_t fscache_n_retrieval_ops; -+extern atomic_unchecked_t fscache_n_retrieval_op_waits; - --extern atomic_t fscache_n_stores; --extern atomic_t fscache_n_stores_ok; --extern atomic_t fscache_n_stores_again; --extern atomic_t fscache_n_stores_nobufs; --extern atomic_t fscache_n_stores_oom; --extern atomic_t fscache_n_store_ops; --extern atomic_t fscache_n_store_calls; --extern atomic_t fscache_n_store_pages; --extern atomic_t fscache_n_store_radix_deletes; --extern atomic_t fscache_n_store_pages_over_limit; -+extern atomic_unchecked_t fscache_n_stores; -+extern atomic_unchecked_t fscache_n_stores_ok; -+extern atomic_unchecked_t fscache_n_stores_again; -+extern atomic_unchecked_t fscache_n_stores_nobufs; -+extern atomic_unchecked_t fscache_n_stores_oom; -+extern atomic_unchecked_t fscache_n_store_ops; -+extern atomic_unchecked_t fscache_n_store_calls; -+extern atomic_unchecked_t fscache_n_store_pages; -+extern atomic_unchecked_t fscache_n_store_radix_deletes; -+extern atomic_unchecked_t fscache_n_store_pages_over_limit; - --extern atomic_t fscache_n_store_vmscan_not_storing; --extern atomic_t fscache_n_store_vmscan_gone; --extern atomic_t fscache_n_store_vmscan_busy; --extern atomic_t fscache_n_store_vmscan_cancelled; --extern atomic_t fscache_n_store_vmscan_wait; -+extern atomic_unchecked_t fscache_n_store_vmscan_not_storing; -+extern atomic_unchecked_t fscache_n_store_vmscan_gone; -+extern atomic_unchecked_t fscache_n_store_vmscan_busy; -+extern atomic_unchecked_t fscache_n_store_vmscan_cancelled; -+extern atomic_unchecked_t fscache_n_store_vmscan_wait; - --extern atomic_t fscache_n_marks; --extern atomic_t fscache_n_uncaches; -+extern atomic_unchecked_t fscache_n_marks; -+extern atomic_unchecked_t fscache_n_uncaches; - --extern atomic_t fscache_n_acquires; --extern atomic_t fscache_n_acquires_null; --extern atomic_t fscache_n_acquires_no_cache; --extern atomic_t fscache_n_acquires_ok; --extern atomic_t fscache_n_acquires_nobufs; --extern atomic_t fscache_n_acquires_oom; -+extern atomic_unchecked_t fscache_n_acquires; -+extern atomic_unchecked_t fscache_n_acquires_null; -+extern atomic_unchecked_t fscache_n_acquires_no_cache; -+extern atomic_unchecked_t fscache_n_acquires_ok; -+extern atomic_unchecked_t fscache_n_acquires_nobufs; -+extern atomic_unchecked_t fscache_n_acquires_oom; - --extern atomic_t fscache_n_invalidates; --extern atomic_t fscache_n_invalidates_run; -+extern atomic_unchecked_t fscache_n_invalidates; -+extern atomic_unchecked_t fscache_n_invalidates_run; - --extern atomic_t fscache_n_updates; --extern atomic_t fscache_n_updates_null; --extern atomic_t fscache_n_updates_run; -+extern atomic_unchecked_t fscache_n_updates; -+extern atomic_unchecked_t fscache_n_updates_null; -+extern atomic_unchecked_t fscache_n_updates_run; - --extern atomic_t fscache_n_relinquishes; --extern atomic_t fscache_n_relinquishes_null; --extern atomic_t fscache_n_relinquishes_waitcrt; --extern atomic_t fscache_n_relinquishes_retire; -+extern atomic_unchecked_t fscache_n_relinquishes; -+extern atomic_unchecked_t fscache_n_relinquishes_null; -+extern atomic_unchecked_t fscache_n_relinquishes_waitcrt; -+extern atomic_unchecked_t fscache_n_relinquishes_retire; - --extern atomic_t fscache_n_cookie_index; --extern atomic_t fscache_n_cookie_data; --extern atomic_t fscache_n_cookie_special; -+extern atomic_unchecked_t fscache_n_cookie_index; -+extern atomic_unchecked_t fscache_n_cookie_data; -+extern atomic_unchecked_t fscache_n_cookie_special; - --extern atomic_t fscache_n_object_alloc; --extern atomic_t fscache_n_object_no_alloc; --extern atomic_t fscache_n_object_lookups; --extern atomic_t fscache_n_object_lookups_negative; --extern atomic_t fscache_n_object_lookups_positive; --extern atomic_t fscache_n_object_lookups_timed_out; --extern atomic_t fscache_n_object_created; --extern atomic_t fscache_n_object_avail; --extern atomic_t fscache_n_object_dead; -+extern atomic_unchecked_t fscache_n_object_alloc; -+extern atomic_unchecked_t fscache_n_object_no_alloc; -+extern atomic_unchecked_t fscache_n_object_lookups; -+extern atomic_unchecked_t fscache_n_object_lookups_negative; -+extern atomic_unchecked_t fscache_n_object_lookups_positive; -+extern atomic_unchecked_t fscache_n_object_lookups_timed_out; -+extern atomic_unchecked_t fscache_n_object_created; -+extern atomic_unchecked_t fscache_n_object_avail; -+extern atomic_unchecked_t fscache_n_object_dead; - --extern atomic_t fscache_n_checkaux_none; --extern atomic_t fscache_n_checkaux_okay; --extern atomic_t fscache_n_checkaux_update; --extern atomic_t fscache_n_checkaux_obsolete; -+extern atomic_unchecked_t fscache_n_checkaux_none; -+extern atomic_unchecked_t fscache_n_checkaux_okay; -+extern atomic_unchecked_t fscache_n_checkaux_update; -+extern atomic_unchecked_t fscache_n_checkaux_obsolete; - - extern atomic_t fscache_n_cop_alloc_object; - extern atomic_t fscache_n_cop_lookup_object; -@@ -276,6 +276,11 @@ static inline void fscache_stat(atomic_t *stat) - atomic_inc(stat); - } - -+static inline void fscache_stat_unchecked(atomic_unchecked_t *stat) -+{ -+ atomic_inc_unchecked(stat); -+} -+ - static inline void fscache_stat_d(atomic_t *stat) - { - atomic_dec(stat); -@@ -288,6 +293,7 @@ extern const struct file_operations fscache_stats_fops; - - #define __fscache_stat(stat) (NULL) - #define fscache_stat(stat) do {} while (0) -+#define fscache_stat_unchecked(stat) do {} while (0) - #define fscache_stat_d(stat) do {} while (0) - #endif - -diff --git a/fs/fscache/object.c b/fs/fscache/object.c -index da032da..0076ce7 100644 ---- a/fs/fscache/object.c -+++ b/fs/fscache/object.c -@@ -454,7 +454,7 @@ static const struct fscache_state *fscache_look_up_object(struct fscache_object - _debug("LOOKUP "%s" in "%s"", - cookie->def->name, object->cache->tag->name); - -- fscache_stat(&fscache_n_object_lookups); -+ fscache_stat_unchecked(&fscache_n_object_lookups); - fscache_stat(&fscache_n_cop_lookup_object); - ret = object->cache->ops->lookup_object(object); - fscache_stat_d(&fscache_n_cop_lookup_object); -@@ -464,7 +464,7 @@ static const struct fscache_state *fscache_look_up_object(struct fscache_object - if (ret == -ETIMEDOUT) { - /* probably stuck behind another object, so move this one to - * the back of the queue */ -- fscache_stat(&fscache_n_object_lookups_timed_out); -+ fscache_stat_unchecked(&fscache_n_object_lookups_timed_out); - _leave(" [timeout]"); - return NO_TRANSIT; - } -@@ -492,7 +492,7 @@ void fscache_object_lookup_negative(struct fscache_object *object) - _enter("{OBJ%x,%s}", object->debug_id, object->state->name); - - if (!test_and_set_bit(FSCACHE_OBJECT_IS_LOOKED_UP, &object->flags)) { -- fscache_stat(&fscache_n_object_lookups_negative); -+ fscache_stat_unchecked(&fscache_n_object_lookups_negative); - - /* Allow write requests to begin stacking up and read requests to begin - * returning ENODATA. -@@ -527,7 +527,7 @@ void fscache_obtained_object(struct fscache_object *object) - /* if we were still looking up, then we must have a positive lookup - * result, in which case there may be data available */ - if (!test_and_set_bit(FSCACHE_OBJECT_IS_LOOKED_UP, &object->flags)) { -- fscache_stat(&fscache_n_object_lookups_positive); -+ fscache_stat_unchecked(&fscache_n_object_lookups_positive); - - /* We do (presumably) have data */ - clear_bit_unlock(FSCACHE_COOKIE_NO_DATA_YET, &cookie->flags); -@@ -539,7 +539,7 @@ void fscache_obtained_object(struct fscache_object *object) - clear_bit_unlock(FSCACHE_COOKIE_LOOKING_UP, &cookie->flags); - wake_up_bit(&cookie->flags, FSCACHE_COOKIE_LOOKING_UP); - } else { -- fscache_stat(&fscache_n_object_created); -+ fscache_stat_unchecked(&fscache_n_object_created); - } - - set_bit(FSCACHE_OBJECT_IS_AVAILABLE, &object->flags); -@@ -575,7 +575,7 @@ static const struct fscache_state *fscache_object_available(struct fscache_objec - fscache_stat_d(&fscache_n_cop_lookup_complete); - - fscache_hist(fscache_obj_instantiate_histogram, object->lookup_jif); -- fscache_stat(&fscache_n_object_avail); -+ fscache_stat_unchecked(&fscache_n_object_avail); - - _leave(""); - return transit_to(JUMPSTART_DEPS); -@@ -722,7 +722,7 @@ static const struct fscache_state *fscache_drop_object(struct fscache_object *ob - - /* this just shifts the object release to the work processor */ - fscache_put_object(object); -- fscache_stat(&fscache_n_object_dead); -+ fscache_stat_unchecked(&fscache_n_object_dead); - - _leave(""); - return transit_to(OBJECT_DEAD); -@@ -887,7 +887,7 @@ enum fscache_checkaux fscache_check_aux(struct fscache_object *object, - enum fscache_checkaux result; - - if (!object->cookie->def->check_aux) { -- fscache_stat(&fscache_n_checkaux_none); -+ fscache_stat_unchecked(&fscache_n_checkaux_none); - return FSCACHE_CHECKAUX_OKAY; - } - -@@ -896,17 +896,17 @@ enum fscache_checkaux fscache_check_aux(struct fscache_object *object, - switch (result) { - /* entry okay as is */ - case FSCACHE_CHECKAUX_OKAY: -- fscache_stat(&fscache_n_checkaux_okay); -+ fscache_stat_unchecked(&fscache_n_checkaux_okay); - break; - - /* entry requires update */ - case FSCACHE_CHECKAUX_NEEDS_UPDATE: -- fscache_stat(&fscache_n_checkaux_update); -+ fscache_stat_unchecked(&fscache_n_checkaux_update); - break; - - /* entry requires deletion */ - case FSCACHE_CHECKAUX_OBSOLETE: -- fscache_stat(&fscache_n_checkaux_obsolete); -+ fscache_stat_unchecked(&fscache_n_checkaux_obsolete); - break; - - default: -@@ -993,7 +993,7 @@ static const struct fscache_state *fscache_invalidate_object(struct fscache_obje - { - const struct fscache_state *s; - -- fscache_stat(&fscache_n_invalidates_run); -+ fscache_stat_unchecked(&fscache_n_invalidates_run); - fscache_stat(&fscache_n_cop_invalidate_object); - s = _fscache_invalidate_object(object, event); - fscache_stat_d(&fscache_n_cop_invalidate_object); -@@ -1008,7 +1008,7 @@ static const struct fscache_state *fscache_update_object(struct fscache_object * - { - _enter("{OBJ%x},%d", object->debug_id, event); - -- fscache_stat(&fscache_n_updates_run); -+ fscache_stat_unchecked(&fscache_n_updates_run); - fscache_stat(&fscache_n_cop_update_object); - object->cache->ops->update_object(object); - fscache_stat_d(&fscache_n_cop_update_object); -diff --git a/fs/fscache/operation.c b/fs/fscache/operation.c -index e7b87a0..a85d47a 100644 ---- a/fs/fscache/operation.c -+++ b/fs/fscache/operation.c -@@ -17,7 +17,7 @@ - #include <linux/slab.h> - #include "internal.h" - --atomic_t fscache_op_debug_id; -+atomic_unchecked_t fscache_op_debug_id; - EXPORT_SYMBOL(fscache_op_debug_id); - - /** -@@ -39,7 +39,7 @@ void fscache_enqueue_operation(struct fscache_operation *op) - ASSERTCMP(atomic_read(&op->usage), >, 0); - ASSERTCMP(op->state, ==, FSCACHE_OP_ST_IN_PROGRESS); - -- fscache_stat(&fscache_n_op_enqueue); -+ fscache_stat_unchecked(&fscache_n_op_enqueue); - switch (op->flags & FSCACHE_OP_TYPE) { - case FSCACHE_OP_ASYNC: - _debug("queue async"); -@@ -72,7 +72,7 @@ static void fscache_run_op(struct fscache_object *object, - wake_up_bit(&op->flags, FSCACHE_OP_WAITING); - if (op->processor) - fscache_enqueue_operation(op); -- fscache_stat(&fscache_n_op_run); -+ fscache_stat_unchecked(&fscache_n_op_run); - } - - /* -@@ -104,11 +104,11 @@ int fscache_submit_exclusive_op(struct fscache_object *object, - if (object->n_in_progress > 0) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - } else if (!list_empty(&object->pending_ops)) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - fscache_start_operations(object); - } else { - ASSERTCMP(object->n_in_progress, ==, 0); -@@ -124,7 +124,7 @@ int fscache_submit_exclusive_op(struct fscache_object *object, - object->n_exclusive++; /* reads and writes must wait */ - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - ret = 0; - } else { - /* If we're in any other state, there must have been an I/O -@@ -211,11 +211,11 @@ int fscache_submit_op(struct fscache_object *object, - if (object->n_exclusive > 0) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - } else if (!list_empty(&object->pending_ops)) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - fscache_start_operations(object); - } else { - ASSERTCMP(object->n_exclusive, ==, 0); -@@ -227,10 +227,10 @@ int fscache_submit_op(struct fscache_object *object, - object->n_ops++; - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - ret = 0; - } else if (fscache_object_is_dying(object)) { -- fscache_stat(&fscache_n_op_rejected); -+ fscache_stat_unchecked(&fscache_n_op_rejected); - op->state = FSCACHE_OP_ST_CANCELLED; - ret = -ENOBUFS; - } else if (!test_bit(FSCACHE_IOERROR, &object->cache->flags)) { -@@ -309,7 +309,7 @@ int fscache_cancel_op(struct fscache_operation *op, - ret = -EBUSY; - if (op->state == FSCACHE_OP_ST_PENDING) { - ASSERT(!list_empty(&op->pend_link)); -- fscache_stat(&fscache_n_op_cancelled); -+ fscache_stat_unchecked(&fscache_n_op_cancelled); - list_del_init(&op->pend_link); - if (do_cancel) - do_cancel(op); -@@ -341,7 +341,7 @@ void fscache_cancel_all_ops(struct fscache_object *object) - while (!list_empty(&object->pending_ops)) { - op = list_entry(object->pending_ops.next, - struct fscache_operation, pend_link); -- fscache_stat(&fscache_n_op_cancelled); -+ fscache_stat_unchecked(&fscache_n_op_cancelled); - list_del_init(&op->pend_link); - - ASSERTCMP(op->state, ==, FSCACHE_OP_ST_PENDING); -@@ -413,7 +413,7 @@ void fscache_put_operation(struct fscache_operation *op) - op->state, ==, FSCACHE_OP_ST_CANCELLED); - op->state = FSCACHE_OP_ST_DEAD; - -- fscache_stat(&fscache_n_op_release); -+ fscache_stat_unchecked(&fscache_n_op_release); - - if (op->release) { - op->release(op); -@@ -432,7 +432,7 @@ void fscache_put_operation(struct fscache_operation *op) - * lock, and defer it otherwise */ - if (!spin_trylock(&object->lock)) { - _debug("defer put"); -- fscache_stat(&fscache_n_op_deferred_release); -+ fscache_stat_unchecked(&fscache_n_op_deferred_release); - - cache = object->cache; - spin_lock(&cache->op_gc_list_lock); -@@ -485,7 +485,7 @@ void fscache_operation_gc(struct work_struct *work) - - _debug("GC DEFERRED REL OBJ%x OP%x", - object->debug_id, op->debug_id); -- fscache_stat(&fscache_n_op_gc); -+ fscache_stat_unchecked(&fscache_n_op_gc); - - ASSERTCMP(atomic_read(&op->usage), ==, 0); - ASSERTCMP(op->state, ==, FSCACHE_OP_ST_DEAD); -diff --git a/fs/fscache/page.c b/fs/fscache/page.c -index de33b3f..8be4d29 100644 ---- a/fs/fscache/page.c -+++ b/fs/fscache/page.c -@@ -74,7 +74,7 @@ try_again: - val = radix_tree_lookup(&cookie->stores, page->index); - if (!val) { - rcu_read_unlock(); -- fscache_stat(&fscache_n_store_vmscan_not_storing); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_not_storing); - __fscache_uncache_page(cookie, page); - return true; - } -@@ -104,11 +104,11 @@ try_again: - spin_unlock(&cookie->stores_lock); - - if (xpage) { -- fscache_stat(&fscache_n_store_vmscan_cancelled); -- fscache_stat(&fscache_n_store_radix_deletes); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_cancelled); -+ fscache_stat_unchecked(&fscache_n_store_radix_deletes); - ASSERTCMP(xpage, ==, page); - } else { -- fscache_stat(&fscache_n_store_vmscan_gone); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_gone); - } - - wake_up_bit(&cookie->flags, 0); -@@ -123,11 +123,11 @@ page_busy: - * sleeping on memory allocation, so we may need to impose a timeout - * too. */ - if (!(gfp & __GFP_WAIT) || !(gfp & __GFP_FS)) { -- fscache_stat(&fscache_n_store_vmscan_busy); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_busy); - return false; - } - -- fscache_stat(&fscache_n_store_vmscan_wait); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_wait); - if (!release_page_wait_timeout(cookie, page)) - _debug("fscache writeout timeout page: %p{%lx}", - page, page->index); -@@ -156,7 +156,7 @@ static void fscache_end_page_write(struct fscache_object *object, - FSCACHE_COOKIE_STORING_TAG); - if (!radix_tree_tag_get(&cookie->stores, page->index, - FSCACHE_COOKIE_PENDING_TAG)) { -- fscache_stat(&fscache_n_store_radix_deletes); -+ fscache_stat_unchecked(&fscache_n_store_radix_deletes); - xpage = radix_tree_delete(&cookie->stores, page->index); - } - spin_unlock(&cookie->stores_lock); -@@ -177,7 +177,7 @@ static void fscache_attr_changed_op(struct fscache_operation *op) - - _enter("{OBJ%x OP%x}", object->debug_id, op->debug_id); - -- fscache_stat(&fscache_n_attr_changed_calls); -+ fscache_stat_unchecked(&fscache_n_attr_changed_calls); - - if (fscache_object_is_active(object)) { - fscache_stat(&fscache_n_cop_attr_changed); -@@ -204,11 +204,11 @@ int __fscache_attr_changed(struct fscache_cookie *cookie) - - ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX); - -- fscache_stat(&fscache_n_attr_changed); -+ fscache_stat_unchecked(&fscache_n_attr_changed); - - op = kzalloc(sizeof(*op), GFP_KERNEL); - if (!op) { -- fscache_stat(&fscache_n_attr_changed_nomem); -+ fscache_stat_unchecked(&fscache_n_attr_changed_nomem); - _leave(" = -ENOMEM"); - return -ENOMEM; - } -@@ -230,7 +230,7 @@ int __fscache_attr_changed(struct fscache_cookie *cookie) - if (fscache_submit_exclusive_op(object, op) < 0) - goto nobufs_dec; - spin_unlock(&cookie->lock); -- fscache_stat(&fscache_n_attr_changed_ok); -+ fscache_stat_unchecked(&fscache_n_attr_changed_ok); - fscache_put_operation(op); - _leave(" = 0"); - return 0; -@@ -242,7 +242,7 @@ nobufs: - kfree(op); - if (wake_cookie) - __fscache_wake_unused_cookie(cookie); -- fscache_stat(&fscache_n_attr_changed_nobufs); -+ fscache_stat_unchecked(&fscache_n_attr_changed_nobufs); - _leave(" = %d", -ENOBUFS); - return -ENOBUFS; - } -@@ -281,7 +281,7 @@ static struct fscache_retrieval *fscache_alloc_retrieval( - /* allocate a retrieval operation and attempt to submit it */ - op = kzalloc(sizeof(*op), GFP_NOIO); - if (!op) { -- fscache_stat(&fscache_n_retrievals_nomem); -+ fscache_stat_unchecked(&fscache_n_retrievals_nomem); - return NULL; - } - -@@ -311,12 +311,12 @@ int fscache_wait_for_deferred_lookup(struct fscache_cookie *cookie) - return 0; - } - -- fscache_stat(&fscache_n_retrievals_wait); -+ fscache_stat_unchecked(&fscache_n_retrievals_wait); - - jif = jiffies; - if (wait_on_bit(&cookie->flags, FSCACHE_COOKIE_LOOKING_UP, - TASK_INTERRUPTIBLE) != 0) { -- fscache_stat(&fscache_n_retrievals_intr); -+ fscache_stat_unchecked(&fscache_n_retrievals_intr); - _leave(" = -ERESTARTSYS"); - return -ERESTARTSYS; - } -@@ -345,8 +345,8 @@ static void fscache_do_cancel_retrieval(struct fscache_operation *_op) - */ - int fscache_wait_for_operation_activation(struct fscache_object *object, - struct fscache_operation *op, -- atomic_t *stat_op_waits, -- atomic_t *stat_object_dead, -+ atomic_unchecked_t *stat_op_waits, -+ atomic_unchecked_t *stat_object_dead, - void (*do_cancel)(struct fscache_operation *)) - { - int ret; -@@ -356,7 +356,7 @@ int fscache_wait_for_operation_activation(struct fscache_object *object, - - _debug(">>> WT"); - if (stat_op_waits) -- fscache_stat(stat_op_waits); -+ fscache_stat_unchecked(stat_op_waits); - if (wait_on_bit(&op->flags, FSCACHE_OP_WAITING, - TASK_INTERRUPTIBLE) != 0) { - ret = fscache_cancel_op(op, do_cancel); -@@ -373,7 +373,7 @@ int fscache_wait_for_operation_activation(struct fscache_object *object, - check_if_dead: - if (op->state == FSCACHE_OP_ST_CANCELLED) { - if (stat_object_dead) -- fscache_stat(stat_object_dead); -+ fscache_stat_unchecked(stat_object_dead); - _leave(" = -ENOBUFS [cancelled]"); - return -ENOBUFS; - } -@@ -381,7 +381,7 @@ check_if_dead: - pr_err("%s() = -ENOBUFS [obj dead %d]\n", __func__, op->state); - fscache_cancel_op(op, do_cancel); - if (stat_object_dead) -- fscache_stat(stat_object_dead); -+ fscache_stat_unchecked(stat_object_dead); - return -ENOBUFS; - } - return 0; -@@ -409,7 +409,7 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie, - - _enter("%p,%p,,,", cookie, page); - -- fscache_stat(&fscache_n_retrievals); -+ fscache_stat_unchecked(&fscache_n_retrievals); - - if (hlist_empty(&cookie->backing_objects)) - goto nobufs; -@@ -451,7 +451,7 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie, - goto nobufs_unlock_dec; - spin_unlock(&cookie->lock); - -- fscache_stat(&fscache_n_retrieval_ops); -+ fscache_stat_unchecked(&fscache_n_retrieval_ops); - - /* pin the netfs read context in case we need to do the actual netfs - * read because we've encountered a cache read failure */ -@@ -482,15 +482,15 @@ int __fscache_read_or_alloc_page(struct fscache_cookie *cookie, - - error: - if (ret == -ENOMEM) -- fscache_stat(&fscache_n_retrievals_nomem); -+ fscache_stat_unchecked(&fscache_n_retrievals_nomem); - else if (ret == -ERESTARTSYS) -- fscache_stat(&fscache_n_retrievals_intr); -+ fscache_stat_unchecked(&fscache_n_retrievals_intr); - else if (ret == -ENODATA) -- fscache_stat(&fscache_n_retrievals_nodata); -+ fscache_stat_unchecked(&fscache_n_retrievals_nodata); - else if (ret < 0) -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - else -- fscache_stat(&fscache_n_retrievals_ok); -+ fscache_stat_unchecked(&fscache_n_retrievals_ok); - - fscache_put_retrieval(op); - _leave(" = %d", ret); -@@ -505,7 +505,7 @@ nobufs_unlock: - __fscache_wake_unused_cookie(cookie); - kfree(op); - nobufs: -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -544,7 +544,7 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie, - - _enter("%p,,%d,,,", cookie, *nr_pages); - -- fscache_stat(&fscache_n_retrievals); -+ fscache_stat_unchecked(&fscache_n_retrievals); - - if (hlist_empty(&cookie->backing_objects)) - goto nobufs; -@@ -582,7 +582,7 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie, - goto nobufs_unlock_dec; - spin_unlock(&cookie->lock); - -- fscache_stat(&fscache_n_retrieval_ops); -+ fscache_stat_unchecked(&fscache_n_retrieval_ops); - - /* pin the netfs read context in case we need to do the actual netfs - * read because we've encountered a cache read failure */ -@@ -613,15 +613,15 @@ int __fscache_read_or_alloc_pages(struct fscache_cookie *cookie, - - error: - if (ret == -ENOMEM) -- fscache_stat(&fscache_n_retrievals_nomem); -+ fscache_stat_unchecked(&fscache_n_retrievals_nomem); - else if (ret == -ERESTARTSYS) -- fscache_stat(&fscache_n_retrievals_intr); -+ fscache_stat_unchecked(&fscache_n_retrievals_intr); - else if (ret == -ENODATA) -- fscache_stat(&fscache_n_retrievals_nodata); -+ fscache_stat_unchecked(&fscache_n_retrievals_nodata); - else if (ret < 0) -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - else -- fscache_stat(&fscache_n_retrievals_ok); -+ fscache_stat_unchecked(&fscache_n_retrievals_ok); - - fscache_put_retrieval(op); - _leave(" = %d", ret); -@@ -636,7 +636,7 @@ nobufs_unlock: - if (wake_cookie) - __fscache_wake_unused_cookie(cookie); - nobufs: -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -661,7 +661,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie, - - _enter("%p,%p,,,", cookie, page); - -- fscache_stat(&fscache_n_allocs); -+ fscache_stat_unchecked(&fscache_n_allocs); - - if (hlist_empty(&cookie->backing_objects)) - goto nobufs; -@@ -695,7 +695,7 @@ int __fscache_alloc_page(struct fscache_cookie *cookie, - goto nobufs_unlock_dec; - spin_unlock(&cookie->lock); - -- fscache_stat(&fscache_n_alloc_ops); -+ fscache_stat_unchecked(&fscache_n_alloc_ops); - - ret = fscache_wait_for_operation_activation( - object, &op->op, -@@ -712,11 +712,11 @@ int __fscache_alloc_page(struct fscache_cookie *cookie, - - error: - if (ret == -ERESTARTSYS) -- fscache_stat(&fscache_n_allocs_intr); -+ fscache_stat_unchecked(&fscache_n_allocs_intr); - else if (ret < 0) -- fscache_stat(&fscache_n_allocs_nobufs); -+ fscache_stat_unchecked(&fscache_n_allocs_nobufs); - else -- fscache_stat(&fscache_n_allocs_ok); -+ fscache_stat_unchecked(&fscache_n_allocs_ok); - - fscache_put_retrieval(op); - _leave(" = %d", ret); -@@ -730,7 +730,7 @@ nobufs_unlock: - if (wake_cookie) - __fscache_wake_unused_cookie(cookie); - nobufs: -- fscache_stat(&fscache_n_allocs_nobufs); -+ fscache_stat_unchecked(&fscache_n_allocs_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -806,7 +806,7 @@ static void fscache_write_op(struct fscache_operation *_op) - - spin_lock(&cookie->stores_lock); - -- fscache_stat(&fscache_n_store_calls); -+ fscache_stat_unchecked(&fscache_n_store_calls); - - /* find a page to store */ - page = NULL; -@@ -817,7 +817,7 @@ static void fscache_write_op(struct fscache_operation *_op) - page = results[0]; - _debug("gang %d [%lx]", n, page->index); - if (page->index > op->store_limit) { -- fscache_stat(&fscache_n_store_pages_over_limit); -+ fscache_stat_unchecked(&fscache_n_store_pages_over_limit); - goto superseded; - } - -@@ -829,7 +829,7 @@ static void fscache_write_op(struct fscache_operation *_op) - spin_unlock(&cookie->stores_lock); - spin_unlock(&object->lock); - -- fscache_stat(&fscache_n_store_pages); -+ fscache_stat_unchecked(&fscache_n_store_pages); - fscache_stat(&fscache_n_cop_write_page); - ret = object->cache->ops->write_page(op, page); - fscache_stat_d(&fscache_n_cop_write_page); -@@ -933,7 +933,7 @@ int __fscache_write_page(struct fscache_cookie *cookie, - ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX); - ASSERT(PageFsCache(page)); - -- fscache_stat(&fscache_n_stores); -+ fscache_stat_unchecked(&fscache_n_stores); - - if (test_bit(FSCACHE_COOKIE_INVALIDATING, &cookie->flags)) { - _leave(" = -ENOBUFS [invalidating]"); -@@ -992,7 +992,7 @@ int __fscache_write_page(struct fscache_cookie *cookie, - spin_unlock(&cookie->stores_lock); - spin_unlock(&object->lock); - -- op->op.debug_id = atomic_inc_return(&fscache_op_debug_id); -+ op->op.debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id); - op->store_limit = object->store_limit; - - __fscache_use_cookie(cookie); -@@ -1001,8 +1001,8 @@ int __fscache_write_page(struct fscache_cookie *cookie, - - spin_unlock(&cookie->lock); - radix_tree_preload_end(); -- fscache_stat(&fscache_n_store_ops); -- fscache_stat(&fscache_n_stores_ok); -+ fscache_stat_unchecked(&fscache_n_store_ops); -+ fscache_stat_unchecked(&fscache_n_stores_ok); - - /* the work queue now carries its own ref on the object */ - fscache_put_operation(&op->op); -@@ -1010,14 +1010,14 @@ int __fscache_write_page(struct fscache_cookie *cookie, - return 0; - - already_queued: -- fscache_stat(&fscache_n_stores_again); -+ fscache_stat_unchecked(&fscache_n_stores_again); - already_pending: - spin_unlock(&cookie->stores_lock); - spin_unlock(&object->lock); - spin_unlock(&cookie->lock); - radix_tree_preload_end(); - kfree(op); -- fscache_stat(&fscache_n_stores_ok); -+ fscache_stat_unchecked(&fscache_n_stores_ok); - _leave(" = 0"); - return 0; - -@@ -1039,14 +1039,14 @@ nobufs: - kfree(op); - if (wake_cookie) - __fscache_wake_unused_cookie(cookie); -- fscache_stat(&fscache_n_stores_nobufs); -+ fscache_stat_unchecked(&fscache_n_stores_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - - nomem_free: - kfree(op); - nomem: -- fscache_stat(&fscache_n_stores_oom); -+ fscache_stat_unchecked(&fscache_n_stores_oom); - _leave(" = -ENOMEM"); - return -ENOMEM; - } -@@ -1064,7 +1064,7 @@ void __fscache_uncache_page(struct fscache_cookie *cookie, struct page *page) - ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX); - ASSERTCMP(page, !=, NULL); - -- fscache_stat(&fscache_n_uncaches); -+ fscache_stat_unchecked(&fscache_n_uncaches); - - /* cache withdrawal may beat us to it */ - if (!PageFsCache(page)) -@@ -1115,7 +1115,7 @@ void fscache_mark_page_cached(struct fscache_retrieval *op, struct page *page) - struct fscache_cookie *cookie = op->op.object->cookie; - - #ifdef CONFIG_FSCACHE_STATS -- atomic_inc(&fscache_n_marks); -+ atomic_inc_unchecked(&fscache_n_marks); - #endif - - _debug("- mark %p{%lx}", page, page->index); -diff --git a/fs/fscache/stats.c b/fs/fscache/stats.c -index 40d13c7..ddf52b9 100644 ---- a/fs/fscache/stats.c -+++ b/fs/fscache/stats.c -@@ -18,99 +18,99 @@ - /* - * operation counters - */ --atomic_t fscache_n_op_pend; --atomic_t fscache_n_op_run; --atomic_t fscache_n_op_enqueue; --atomic_t fscache_n_op_requeue; --atomic_t fscache_n_op_deferred_release; --atomic_t fscache_n_op_release; --atomic_t fscache_n_op_gc; --atomic_t fscache_n_op_cancelled; --atomic_t fscache_n_op_rejected; -+atomic_unchecked_t fscache_n_op_pend; -+atomic_unchecked_t fscache_n_op_run; -+atomic_unchecked_t fscache_n_op_enqueue; -+atomic_unchecked_t fscache_n_op_requeue; -+atomic_unchecked_t fscache_n_op_deferred_release; -+atomic_unchecked_t fscache_n_op_release; -+atomic_unchecked_t fscache_n_op_gc; -+atomic_unchecked_t fscache_n_op_cancelled; -+atomic_unchecked_t fscache_n_op_rejected; - --atomic_t fscache_n_attr_changed; --atomic_t fscache_n_attr_changed_ok; --atomic_t fscache_n_attr_changed_nobufs; --atomic_t fscache_n_attr_changed_nomem; --atomic_t fscache_n_attr_changed_calls; -+atomic_unchecked_t fscache_n_attr_changed; -+atomic_unchecked_t fscache_n_attr_changed_ok; -+atomic_unchecked_t fscache_n_attr_changed_nobufs; -+atomic_unchecked_t fscache_n_attr_changed_nomem; -+atomic_unchecked_t fscache_n_attr_changed_calls; - --atomic_t fscache_n_allocs; --atomic_t fscache_n_allocs_ok; --atomic_t fscache_n_allocs_wait; --atomic_t fscache_n_allocs_nobufs; --atomic_t fscache_n_allocs_intr; --atomic_t fscache_n_allocs_object_dead; --atomic_t fscache_n_alloc_ops; --atomic_t fscache_n_alloc_op_waits; -+atomic_unchecked_t fscache_n_allocs; -+atomic_unchecked_t fscache_n_allocs_ok; -+atomic_unchecked_t fscache_n_allocs_wait; -+atomic_unchecked_t fscache_n_allocs_nobufs; -+atomic_unchecked_t fscache_n_allocs_intr; -+atomic_unchecked_t fscache_n_allocs_object_dead; -+atomic_unchecked_t fscache_n_alloc_ops; -+atomic_unchecked_t fscache_n_alloc_op_waits; - --atomic_t fscache_n_retrievals; --atomic_t fscache_n_retrievals_ok; --atomic_t fscache_n_retrievals_wait; --atomic_t fscache_n_retrievals_nodata; --atomic_t fscache_n_retrievals_nobufs; --atomic_t fscache_n_retrievals_intr; --atomic_t fscache_n_retrievals_nomem; --atomic_t fscache_n_retrievals_object_dead; --atomic_t fscache_n_retrieval_ops; --atomic_t fscache_n_retrieval_op_waits; -+atomic_unchecked_t fscache_n_retrievals; -+atomic_unchecked_t fscache_n_retrievals_ok; -+atomic_unchecked_t fscache_n_retrievals_wait; -+atomic_unchecked_t fscache_n_retrievals_nodata; -+atomic_unchecked_t fscache_n_retrievals_nobufs; -+atomic_unchecked_t fscache_n_retrievals_intr; -+atomic_unchecked_t fscache_n_retrievals_nomem; -+atomic_unchecked_t fscache_n_retrievals_object_dead; -+atomic_unchecked_t fscache_n_retrieval_ops; -+atomic_unchecked_t fscache_n_retrieval_op_waits; - --atomic_t fscache_n_stores; --atomic_t fscache_n_stores_ok; --atomic_t fscache_n_stores_again; --atomic_t fscache_n_stores_nobufs; --atomic_t fscache_n_stores_oom; --atomic_t fscache_n_store_ops; --atomic_t fscache_n_store_calls; --atomic_t fscache_n_store_pages; --atomic_t fscache_n_store_radix_deletes; --atomic_t fscache_n_store_pages_over_limit; -+atomic_unchecked_t fscache_n_stores; -+atomic_unchecked_t fscache_n_stores_ok; -+atomic_unchecked_t fscache_n_stores_again; -+atomic_unchecked_t fscache_n_stores_nobufs; -+atomic_unchecked_t fscache_n_stores_oom; -+atomic_unchecked_t fscache_n_store_ops; -+atomic_unchecked_t fscache_n_store_calls; -+atomic_unchecked_t fscache_n_store_pages; -+atomic_unchecked_t fscache_n_store_radix_deletes; -+atomic_unchecked_t fscache_n_store_pages_over_limit; - --atomic_t fscache_n_store_vmscan_not_storing; --atomic_t fscache_n_store_vmscan_gone; --atomic_t fscache_n_store_vmscan_busy; --atomic_t fscache_n_store_vmscan_cancelled; --atomic_t fscache_n_store_vmscan_wait; -+atomic_unchecked_t fscache_n_store_vmscan_not_storing; -+atomic_unchecked_t fscache_n_store_vmscan_gone; -+atomic_unchecked_t fscache_n_store_vmscan_busy; -+atomic_unchecked_t fscache_n_store_vmscan_cancelled; -+atomic_unchecked_t fscache_n_store_vmscan_wait; - --atomic_t fscache_n_marks; --atomic_t fscache_n_uncaches; -+atomic_unchecked_t fscache_n_marks; -+atomic_unchecked_t fscache_n_uncaches; - --atomic_t fscache_n_acquires; --atomic_t fscache_n_acquires_null; --atomic_t fscache_n_acquires_no_cache; --atomic_t fscache_n_acquires_ok; --atomic_t fscache_n_acquires_nobufs; --atomic_t fscache_n_acquires_oom; -+atomic_unchecked_t fscache_n_acquires; -+atomic_unchecked_t fscache_n_acquires_null; -+atomic_unchecked_t fscache_n_acquires_no_cache; -+atomic_unchecked_t fscache_n_acquires_ok; -+atomic_unchecked_t fscache_n_acquires_nobufs; -+atomic_unchecked_t fscache_n_acquires_oom; - --atomic_t fscache_n_invalidates; --atomic_t fscache_n_invalidates_run; -+atomic_unchecked_t fscache_n_invalidates; -+atomic_unchecked_t fscache_n_invalidates_run; - --atomic_t fscache_n_updates; --atomic_t fscache_n_updates_null; --atomic_t fscache_n_updates_run; -+atomic_unchecked_t fscache_n_updates; -+atomic_unchecked_t fscache_n_updates_null; -+atomic_unchecked_t fscache_n_updates_run; - --atomic_t fscache_n_relinquishes; --atomic_t fscache_n_relinquishes_null; --atomic_t fscache_n_relinquishes_waitcrt; --atomic_t fscache_n_relinquishes_retire; -+atomic_unchecked_t fscache_n_relinquishes; -+atomic_unchecked_t fscache_n_relinquishes_null; -+atomic_unchecked_t fscache_n_relinquishes_waitcrt; -+atomic_unchecked_t fscache_n_relinquishes_retire; - --atomic_t fscache_n_cookie_index; --atomic_t fscache_n_cookie_data; --atomic_t fscache_n_cookie_special; -+atomic_unchecked_t fscache_n_cookie_index; -+atomic_unchecked_t fscache_n_cookie_data; -+atomic_unchecked_t fscache_n_cookie_special; - --atomic_t fscache_n_object_alloc; --atomic_t fscache_n_object_no_alloc; --atomic_t fscache_n_object_lookups; --atomic_t fscache_n_object_lookups_negative; --atomic_t fscache_n_object_lookups_positive; --atomic_t fscache_n_object_lookups_timed_out; --atomic_t fscache_n_object_created; --atomic_t fscache_n_object_avail; --atomic_t fscache_n_object_dead; -+atomic_unchecked_t fscache_n_object_alloc; -+atomic_unchecked_t fscache_n_object_no_alloc; -+atomic_unchecked_t fscache_n_object_lookups; -+atomic_unchecked_t fscache_n_object_lookups_negative; -+atomic_unchecked_t fscache_n_object_lookups_positive; -+atomic_unchecked_t fscache_n_object_lookups_timed_out; -+atomic_unchecked_t fscache_n_object_created; -+atomic_unchecked_t fscache_n_object_avail; -+atomic_unchecked_t fscache_n_object_dead; - --atomic_t fscache_n_checkaux_none; --atomic_t fscache_n_checkaux_okay; --atomic_t fscache_n_checkaux_update; --atomic_t fscache_n_checkaux_obsolete; -+atomic_unchecked_t fscache_n_checkaux_none; -+atomic_unchecked_t fscache_n_checkaux_okay; -+atomic_unchecked_t fscache_n_checkaux_update; -+atomic_unchecked_t fscache_n_checkaux_obsolete; - - atomic_t fscache_n_cop_alloc_object; - atomic_t fscache_n_cop_lookup_object; -@@ -138,118 +138,118 @@ static int fscache_stats_show(struct seq_file *m, void *v) - seq_puts(m, "FS-Cache statistics\n"); - - seq_printf(m, "Cookies: idx=%u dat=%u spc=%u\n", -- atomic_read(&fscache_n_cookie_index), -- atomic_read(&fscache_n_cookie_data), -- atomic_read(&fscache_n_cookie_special)); -+ atomic_read_unchecked(&fscache_n_cookie_index), -+ atomic_read_unchecked(&fscache_n_cookie_data), -+ atomic_read_unchecked(&fscache_n_cookie_special)); - - seq_printf(m, "Objects: alc=%u nal=%u avl=%u ded=%u\n", -- atomic_read(&fscache_n_object_alloc), -- atomic_read(&fscache_n_object_no_alloc), -- atomic_read(&fscache_n_object_avail), -- atomic_read(&fscache_n_object_dead)); -+ atomic_read_unchecked(&fscache_n_object_alloc), -+ atomic_read_unchecked(&fscache_n_object_no_alloc), -+ atomic_read_unchecked(&fscache_n_object_avail), -+ atomic_read_unchecked(&fscache_n_object_dead)); - seq_printf(m, "ChkAux : non=%u ok=%u upd=%u obs=%u\n", -- atomic_read(&fscache_n_checkaux_none), -- atomic_read(&fscache_n_checkaux_okay), -- atomic_read(&fscache_n_checkaux_update), -- atomic_read(&fscache_n_checkaux_obsolete)); -+ atomic_read_unchecked(&fscache_n_checkaux_none), -+ atomic_read_unchecked(&fscache_n_checkaux_okay), -+ atomic_read_unchecked(&fscache_n_checkaux_update), -+ atomic_read_unchecked(&fscache_n_checkaux_obsolete)); - - seq_printf(m, "Pages : mrk=%u unc=%u\n", -- atomic_read(&fscache_n_marks), -- atomic_read(&fscache_n_uncaches)); -+ atomic_read_unchecked(&fscache_n_marks), -+ atomic_read_unchecked(&fscache_n_uncaches)); - - seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u nbf=%u" - " oom=%u\n", -- atomic_read(&fscache_n_acquires), -- atomic_read(&fscache_n_acquires_null), -- atomic_read(&fscache_n_acquires_no_cache), -- atomic_read(&fscache_n_acquires_ok), -- atomic_read(&fscache_n_acquires_nobufs), -- atomic_read(&fscache_n_acquires_oom)); -+ atomic_read_unchecked(&fscache_n_acquires), -+ atomic_read_unchecked(&fscache_n_acquires_null), -+ atomic_read_unchecked(&fscache_n_acquires_no_cache), -+ atomic_read_unchecked(&fscache_n_acquires_ok), -+ atomic_read_unchecked(&fscache_n_acquires_nobufs), -+ atomic_read_unchecked(&fscache_n_acquires_oom)); - - seq_printf(m, "Lookups: n=%u neg=%u pos=%u crt=%u tmo=%u\n", -- atomic_read(&fscache_n_object_lookups), -- atomic_read(&fscache_n_object_lookups_negative), -- atomic_read(&fscache_n_object_lookups_positive), -- atomic_read(&fscache_n_object_created), -- atomic_read(&fscache_n_object_lookups_timed_out)); -+ atomic_read_unchecked(&fscache_n_object_lookups), -+ atomic_read_unchecked(&fscache_n_object_lookups_negative), -+ atomic_read_unchecked(&fscache_n_object_lookups_positive), -+ atomic_read_unchecked(&fscache_n_object_created), -+ atomic_read_unchecked(&fscache_n_object_lookups_timed_out)); - - seq_printf(m, "Invals : n=%u run=%u\n", -- atomic_read(&fscache_n_invalidates), -- atomic_read(&fscache_n_invalidates_run)); -+ atomic_read_unchecked(&fscache_n_invalidates), -+ atomic_read_unchecked(&fscache_n_invalidates_run)); - - seq_printf(m, "Updates: n=%u nul=%u run=%u\n", -- atomic_read(&fscache_n_updates), -- atomic_read(&fscache_n_updates_null), -- atomic_read(&fscache_n_updates_run)); -+ atomic_read_unchecked(&fscache_n_updates), -+ atomic_read_unchecked(&fscache_n_updates_null), -+ atomic_read_unchecked(&fscache_n_updates_run)); - - seq_printf(m, "Relinqs: n=%u nul=%u wcr=%u rtr=%u\n", -- atomic_read(&fscache_n_relinquishes), -- atomic_read(&fscache_n_relinquishes_null), -- atomic_read(&fscache_n_relinquishes_waitcrt), -- atomic_read(&fscache_n_relinquishes_retire)); -+ atomic_read_unchecked(&fscache_n_relinquishes), -+ atomic_read_unchecked(&fscache_n_relinquishes_null), -+ atomic_read_unchecked(&fscache_n_relinquishes_waitcrt), -+ atomic_read_unchecked(&fscache_n_relinquishes_retire)); - - seq_printf(m, "AttrChg: n=%u ok=%u nbf=%u oom=%u run=%u\n", -- atomic_read(&fscache_n_attr_changed), -- atomic_read(&fscache_n_attr_changed_ok), -- atomic_read(&fscache_n_attr_changed_nobufs), -- atomic_read(&fscache_n_attr_changed_nomem), -- atomic_read(&fscache_n_attr_changed_calls)); -+ atomic_read_unchecked(&fscache_n_attr_changed), -+ atomic_read_unchecked(&fscache_n_attr_changed_ok), -+ atomic_read_unchecked(&fscache_n_attr_changed_nobufs), -+ atomic_read_unchecked(&fscache_n_attr_changed_nomem), -+ atomic_read_unchecked(&fscache_n_attr_changed_calls)); - - seq_printf(m, "Allocs : n=%u ok=%u wt=%u nbf=%u int=%u\n", -- atomic_read(&fscache_n_allocs), -- atomic_read(&fscache_n_allocs_ok), -- atomic_read(&fscache_n_allocs_wait), -- atomic_read(&fscache_n_allocs_nobufs), -- atomic_read(&fscache_n_allocs_intr)); -+ atomic_read_unchecked(&fscache_n_allocs), -+ atomic_read_unchecked(&fscache_n_allocs_ok), -+ atomic_read_unchecked(&fscache_n_allocs_wait), -+ atomic_read_unchecked(&fscache_n_allocs_nobufs), -+ atomic_read_unchecked(&fscache_n_allocs_intr)); - seq_printf(m, "Allocs : ops=%u owt=%u abt=%u\n", -- atomic_read(&fscache_n_alloc_ops), -- atomic_read(&fscache_n_alloc_op_waits), -- atomic_read(&fscache_n_allocs_object_dead)); -+ atomic_read_unchecked(&fscache_n_alloc_ops), -+ atomic_read_unchecked(&fscache_n_alloc_op_waits), -+ atomic_read_unchecked(&fscache_n_allocs_object_dead)); - - seq_printf(m, "Retrvls: n=%u ok=%u wt=%u nod=%u nbf=%u" - " int=%u oom=%u\n", -- atomic_read(&fscache_n_retrievals), -- atomic_read(&fscache_n_retrievals_ok), -- atomic_read(&fscache_n_retrievals_wait), -- atomic_read(&fscache_n_retrievals_nodata), -- atomic_read(&fscache_n_retrievals_nobufs), -- atomic_read(&fscache_n_retrievals_intr), -- atomic_read(&fscache_n_retrievals_nomem)); -+ atomic_read_unchecked(&fscache_n_retrievals), -+ atomic_read_unchecked(&fscache_n_retrievals_ok), -+ atomic_read_unchecked(&fscache_n_retrievals_wait), -+ atomic_read_unchecked(&fscache_n_retrievals_nodata), -+ atomic_read_unchecked(&fscache_n_retrievals_nobufs), -+ atomic_read_unchecked(&fscache_n_retrievals_intr), -+ atomic_read_unchecked(&fscache_n_retrievals_nomem)); - seq_printf(m, "Retrvls: ops=%u owt=%u abt=%u\n", -- atomic_read(&fscache_n_retrieval_ops), -- atomic_read(&fscache_n_retrieval_op_waits), -- atomic_read(&fscache_n_retrievals_object_dead)); -+ atomic_read_unchecked(&fscache_n_retrieval_ops), -+ atomic_read_unchecked(&fscache_n_retrieval_op_waits), -+ atomic_read_unchecked(&fscache_n_retrievals_object_dead)); - - seq_printf(m, "Stores : n=%u ok=%u agn=%u nbf=%u oom=%u\n", -- atomic_read(&fscache_n_stores), -- atomic_read(&fscache_n_stores_ok), -- atomic_read(&fscache_n_stores_again), -- atomic_read(&fscache_n_stores_nobufs), -- atomic_read(&fscache_n_stores_oom)); -+ atomic_read_unchecked(&fscache_n_stores), -+ atomic_read_unchecked(&fscache_n_stores_ok), -+ atomic_read_unchecked(&fscache_n_stores_again), -+ atomic_read_unchecked(&fscache_n_stores_nobufs), -+ atomic_read_unchecked(&fscache_n_stores_oom)); - seq_printf(m, "Stores : ops=%u run=%u pgs=%u rxd=%u olm=%u\n", -- atomic_read(&fscache_n_store_ops), -- atomic_read(&fscache_n_store_calls), -- atomic_read(&fscache_n_store_pages), -- atomic_read(&fscache_n_store_radix_deletes), -- atomic_read(&fscache_n_store_pages_over_limit)); -+ atomic_read_unchecked(&fscache_n_store_ops), -+ atomic_read_unchecked(&fscache_n_store_calls), -+ atomic_read_unchecked(&fscache_n_store_pages), -+ atomic_read_unchecked(&fscache_n_store_radix_deletes), -+ atomic_read_unchecked(&fscache_n_store_pages_over_limit)); - - seq_printf(m, "VmScan : nos=%u gon=%u bsy=%u can=%u wt=%u\n", -- atomic_read(&fscache_n_store_vmscan_not_storing), -- atomic_read(&fscache_n_store_vmscan_gone), -- atomic_read(&fscache_n_store_vmscan_busy), -- atomic_read(&fscache_n_store_vmscan_cancelled), -- atomic_read(&fscache_n_store_vmscan_wait)); -+ atomic_read_unchecked(&fscache_n_store_vmscan_not_storing), -+ atomic_read_unchecked(&fscache_n_store_vmscan_gone), -+ atomic_read_unchecked(&fscache_n_store_vmscan_busy), -+ atomic_read_unchecked(&fscache_n_store_vmscan_cancelled), -+ atomic_read_unchecked(&fscache_n_store_vmscan_wait)); - - seq_printf(m, "Ops : pend=%u run=%u enq=%u can=%u rej=%u\n", -- atomic_read(&fscache_n_op_pend), -- atomic_read(&fscache_n_op_run), -- atomic_read(&fscache_n_op_enqueue), -- atomic_read(&fscache_n_op_cancelled), -- atomic_read(&fscache_n_op_rejected)); -+ atomic_read_unchecked(&fscache_n_op_pend), -+ atomic_read_unchecked(&fscache_n_op_run), -+ atomic_read_unchecked(&fscache_n_op_enqueue), -+ atomic_read_unchecked(&fscache_n_op_cancelled), -+ atomic_read_unchecked(&fscache_n_op_rejected)); - seq_printf(m, "Ops : dfr=%u rel=%u gc=%u\n", -- atomic_read(&fscache_n_op_deferred_release), -- atomic_read(&fscache_n_op_release), -- atomic_read(&fscache_n_op_gc)); -+ atomic_read_unchecked(&fscache_n_op_deferred_release), -+ atomic_read_unchecked(&fscache_n_op_release), -+ atomic_read_unchecked(&fscache_n_op_gc)); - - seq_printf(m, "CacheOp: alo=%d luo=%d luc=%d gro=%d\n", - atomic_read(&fscache_n_cop_alloc_object), -diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c -index e5bbf74..9bfdaf3 100644 ---- a/fs/fuse/cuse.c -+++ b/fs/fuse/cuse.c -@@ -602,10 +602,12 @@ static int __init cuse_init(void) - INIT_LIST_HEAD(&cuse_conntbl[i]); - - /* inherit and extend fuse_dev_operations */ -- cuse_channel_fops = fuse_dev_operations; -- cuse_channel_fops.owner = THIS_MODULE; -- cuse_channel_fops.open = cuse_channel_open; -- cuse_channel_fops.release = cuse_channel_release; -+ pax_open_kernel(); -+ memcpy((void *)&cuse_channel_fops, &fuse_dev_operations, sizeof(fuse_dev_operations)); -+ *(void **)&cuse_channel_fops.owner = THIS_MODULE; -+ *(void **)&cuse_channel_fops.open = cuse_channel_open; -+ *(void **)&cuse_channel_fops.release = cuse_channel_release; -+ pax_close_kernel(); - - cuse_class = class_create(THIS_MODULE, "cuse"); - if (IS_ERR(cuse_class)) -diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c -index c8b68ab..97190db 100644 ---- a/fs/fuse/dev.c -+++ b/fs/fuse/dev.c -@@ -1398,7 +1398,7 @@ static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos, - ret = 0; - pipe_lock(pipe); - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -1427,7 +1427,7 @@ static ssize_t fuse_dev_splice_read(struct file *in, loff_t *ppos, - page_nr++; - ret += buf->len; - -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - do_wakeup = 1; - } - -diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c -index 0572bca..cb9c3fa 100644 ---- a/fs/fuse/dir.c -+++ b/fs/fuse/dir.c -@@ -1394,7 +1394,7 @@ static char *read_link(struct dentry *dentry) - return link; - } - --static void free_link(char *link) -+static void free_link(const char *link) - { - if (!IS_ERR(link)) - free_page((unsigned long) link); -diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c -index 0fa8062..755b198 100644 ---- a/fs/gfs2/glock.c -+++ b/fs/gfs2/glock.c -@@ -385,9 +385,9 @@ static void state_change(struct gfs2_glock *gl, unsigned int new_state) - if (held1 != held2) { - GLOCK_BUG_ON(gl, __lockref_is_dead(&gl->gl_lockref)); - if (held2) -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - else -- gl->gl_lockref.count--; -+ __lockref_dec(&gl->gl_lockref); - } - if (held1 && held2 && list_empty(&gl->gl_holders)) - clear_bit(GLF_QUEUED, &gl->gl_flags); -@@ -614,9 +614,9 @@ out: - out_sched: - clear_bit(GLF_LOCK, &gl->gl_flags); - smp_mb__after_atomic(); -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) -- gl->gl_lockref.count--; -+ __lockref_dec(&gl->gl_lockref); - return; - - out_unlock: -@@ -742,7 +742,7 @@ int gfs2_glock_get(struct gfs2_sbd *sdp, u64 number, - gl->gl_sbd = sdp; - gl->gl_flags = 0; - gl->gl_name = name; -- gl->gl_lockref.count = 1; -+ __lockref_set(&gl->gl_lockref, 1); - gl->gl_state = LM_ST_UNLOCKED; - gl->gl_target = LM_ST_UNLOCKED; - gl->gl_demote_state = LM_ST_EXCLUSIVE; -@@ -1020,9 +1020,9 @@ int gfs2_glock_nq(struct gfs2_holder *gh) - if (unlikely((LM_FLAG_NOEXP & gh->gh_flags) && - test_and_clear_bit(GLF_FROZEN, &gl->gl_flags))) { - set_bit(GLF_REPLY_PENDING, &gl->gl_flags); -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) -- gl->gl_lockref.count--; -+ __lockref_dec(&gl->gl_lockref); - } - run_queue(gl, 1); - spin_unlock(&gl->gl_spin); -@@ -1325,7 +1325,7 @@ void gfs2_glock_complete(struct gfs2_glock *gl, int ret) - } - } - -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - set_bit(GLF_REPLY_PENDING, &gl->gl_flags); - spin_unlock(&gl->gl_spin); - -@@ -1384,12 +1384,12 @@ add_back_to_lru: - goto add_back_to_lru; - } - clear_bit(GLF_LRU, &gl->gl_flags); -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - if (demote_ok(gl)) - handle_callback(gl, LM_ST_UNLOCKED, 0, false); - WARN_ON(!test_and_clear_bit(GLF_LOCK, &gl->gl_flags)); - if (queue_delayed_work(glock_workqueue, &gl->gl_work, 0) == 0) -- gl->gl_lockref.count--; -+ __lockref_dec(&gl->gl_lockref); - spin_unlock(&gl->gl_spin); - cond_resched_lock(&lru_lock); - } -@@ -1719,7 +1719,7 @@ void gfs2_dump_glock(struct seq_file *seq, const struct gfs2_glock *gl) - state2str(gl->gl_demote_state), dtime, - atomic_read(&gl->gl_ail_count), - atomic_read(&gl->gl_revokes), -- (int)gl->gl_lockref.count, gl->gl_hold_time); -+ __lockref_read(&gl->gl_lockref), gl->gl_hold_time); - - list_for_each_entry(gh, &gl->gl_holders, gh_list) - dump_holder(seq, gh); -diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c -index fe91951..ce38a6e 100644 ---- a/fs/gfs2/glops.c -+++ b/fs/gfs2/glops.c -@@ -544,9 +544,9 @@ static void iopen_go_callback(struct gfs2_glock *gl, bool remote) - - if (gl->gl_demote_state == LM_ST_UNLOCKED && - gl->gl_state == LM_ST_SHARED && ip) { -- gl->gl_lockref.count++; -+ __lockref_inc(&gl->gl_lockref); - if (queue_work(gfs2_delete_workqueue, &gl->gl_delete) == 0) -- gl->gl_lockref.count--; -+ __lockref_dec(&gl->gl_lockref); - } - } - -diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c -index e3065cb..45e7117 100644 ---- a/fs/gfs2/quota.c -+++ b/fs/gfs2/quota.c -@@ -154,7 +154,7 @@ static enum lru_status gfs2_qd_isolate(struct list_head *item, - if (!spin_trylock(&qd->qd_lockref.lock)) - return LRU_SKIP; - -- if (qd->qd_lockref.count == 0) { -+ if (__lockref_read(&qd->qd_lockref) == 0) { - lockref_mark_dead(&qd->qd_lockref); - list_lru_isolate_move(lru, &qd->qd_lru, dispose); - } -@@ -221,7 +221,7 @@ static struct gfs2_quota_data *qd_alloc(unsigned hash, struct gfs2_sbd *sdp, str - return NULL; - - qd->qd_sbd = sdp; -- qd->qd_lockref.count = 1; -+ __lockref_set(&qd->qd_lockref, 1); - spin_lock_init(&qd->qd_lockref.lock); - qd->qd_id = qid; - qd->qd_slot = -1; -@@ -312,7 +312,7 @@ static void qd_put(struct gfs2_quota_data *qd) - if (lockref_put_or_lock(&qd->qd_lockref)) - return; - -- qd->qd_lockref.count = 0; -+ __lockref_set(&qd->qd_lockref, 0); - list_lru_add(&gfs2_qd_lru, &qd->qd_lru); - spin_unlock(&qd->qd_lockref.lock); - -diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c -index 07d8d8f..2c2a4e7 100644 ---- a/fs/hostfs/hostfs_kern.c -+++ b/fs/hostfs/hostfs_kern.c -@@ -918,7 +918,7 @@ static void *hostfs_follow_link(struct dentry *dentry, struct nameidata *nd) - - static void hostfs_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - if (!IS_ERR(s)) - __putname(s); - } -diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c -index 87724c1..5a5e53f 100644 ---- a/fs/hugetlbfs/inode.c -+++ b/fs/hugetlbfs/inode.c -@@ -151,6 +151,7 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - struct hstate *h = hstate_file(file); -+ unsigned long offset = gr_rand_threadstack_offset(mm, file, flags); - struct vm_unmapped_area_info info; - - if (len & ~huge_page_mask(h)) -@@ -164,17 +165,26 @@ hugetlb_get_unmapped_area(struct file *file, unsigned long addr, - return addr; - } - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = ALIGN(addr, huge_page_size(h)); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - - info.flags = 0; - info.length = len; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = TASK_SIZE; - info.align_mask = PAGE_MASK & ~huge_page_mask(h); - info.align_offset = 0; -@@ -939,7 +949,7 @@ static struct file_system_type hugetlbfs_fs_type = { - }; - MODULE_ALIAS_FS("hugetlbfs"); - --static struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE]; -+struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE]; - - static int can_do_hugetlb_shm(void) - { -diff --git a/fs/inode.c b/fs/inode.c -index 6e342ca..0538cb7 100644 ---- a/fs/inode.c -+++ b/fs/inode.c -@@ -830,16 +830,20 @@ unsigned int get_next_ino(void) - unsigned int *p = &get_cpu_var(last_ino); - unsigned int res = *p; - -+start: -+ - #ifdef CONFIG_SMP - if (unlikely((res & (LAST_INO_BATCH-1)) == 0)) { -- static atomic_t shared_last_ino; -- int next = atomic_add_return(LAST_INO_BATCH, &shared_last_ino); -+ static atomic_unchecked_t shared_last_ino; -+ int next = atomic_add_return_unchecked(LAST_INO_BATCH, &shared_last_ino); - - res = next - LAST_INO_BATCH; - } - #endif - -- *p = ++res; -+ if (unlikely(!++res)) -+ goto start; /* never zero */ -+ *p = res; - put_cpu_var(last_ino); - return res; - } -diff --git a/fs/jffs2/erase.c b/fs/jffs2/erase.c -index 4a6cf28..d3a29d3 100644 ---- a/fs/jffs2/erase.c -+++ b/fs/jffs2/erase.c -@@ -452,7 +452,8 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb - struct jffs2_unknown_node marker = { - .magic = cpu_to_je16(JFFS2_MAGIC_BITMASK), - .nodetype = cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER), -- .totlen = cpu_to_je32(c->cleanmarker_size) -+ .totlen = cpu_to_je32(c->cleanmarker_size), -+ .hdr_crc = cpu_to_je32(0) - }; - - jffs2_prealloc_raw_node_refs(c, jeb, 1); -diff --git a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c -index 09ed551..45684f8 100644 ---- a/fs/jffs2/wbuf.c -+++ b/fs/jffs2/wbuf.c -@@ -1023,7 +1023,8 @@ static const struct jffs2_unknown_node oob_cleanmarker = - { - .magic = constant_cpu_to_je16(JFFS2_MAGIC_BITMASK), - .nodetype = constant_cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER), -- .totlen = constant_cpu_to_je32(8) -+ .totlen = constant_cpu_to_je32(8), -+ .hdr_crc = constant_cpu_to_je32(0) - }; - - /* -diff --git a/fs/jfs/super.c b/fs/jfs/super.c -index 4cd9798..8dfe86a 100644 ---- a/fs/jfs/super.c -+++ b/fs/jfs/super.c -@@ -901,7 +901,7 @@ static int __init init_jfs_fs(void) - - jfs_inode_cachep = - kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0, -- SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, -+ SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD|SLAB_USERCOPY, - init_once); - if (jfs_inode_cachep == NULL) - return -ENOMEM; -diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c -index 2d48d28..82eddad 100644 ---- a/fs/kernfs/dir.c -+++ b/fs/kernfs/dir.c -@@ -182,7 +182,7 @@ struct kernfs_node *kernfs_get_parent(struct kernfs_node *kn) - * - * Returns 31 bit hash of ns + name (so it fits in an off_t ) - */ --static unsigned int kernfs_name_hash(const char *name, const void *ns) -+static unsigned int kernfs_name_hash(const unsigned char *name, const void *ns) - { - unsigned long hash = init_name_hash(); - unsigned int len = strlen(name); -@@ -873,6 +873,12 @@ static int kernfs_iop_mkdir(struct inode *dir, struct dentry *dentry, - ret = scops->mkdir(parent, dentry->d_name.name, mode); - - kernfs_put_active(parent); -+ -+ if (!ret) { -+ struct dentry *dentry_ret = kernfs_iop_lookup(dir, dentry, 0); -+ ret = PTR_ERR_OR_ZERO(dentry_ret); -+ } -+ - return ret; - } - -diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c -index 2bacb99..f745182 100644 ---- a/fs/kernfs/file.c -+++ b/fs/kernfs/file.c -@@ -34,7 +34,7 @@ static DEFINE_MUTEX(kernfs_open_file_mutex); - - struct kernfs_open_node { - atomic_t refcnt; -- atomic_t event; -+ atomic_unchecked_t event; - wait_queue_head_t poll; - struct list_head files; /* goes through kernfs_open_file.list */ - }; -@@ -163,7 +163,7 @@ static int kernfs_seq_show(struct seq_file *sf, void *v) - { - struct kernfs_open_file *of = sf->private; - -- of->event = atomic_read(&of->kn->attr.open->event); -+ of->event = atomic_read_unchecked(&of->kn->attr.open->event); - - return of->kn->attr.ops->seq_show(sf, v); - } -@@ -207,7 +207,7 @@ static ssize_t kernfs_file_direct_read(struct kernfs_open_file *of, - goto out_free; - } - -- of->event = atomic_read(&of->kn->attr.open->event); -+ of->event = atomic_read_unchecked(&of->kn->attr.open->event); - ops = kernfs_ops(of->kn); - if (ops->read) - len = ops->read(of, buf, len, *ppos); -@@ -272,7 +272,7 @@ static ssize_t kernfs_fop_write(struct file *file, const char __user *user_buf, - { - struct kernfs_open_file *of = kernfs_of(file); - const struct kernfs_ops *ops; -- size_t len; -+ ssize_t len; - char *buf; - - if (of->atomic_write_len) { -@@ -385,12 +385,12 @@ static int kernfs_vma_page_mkwrite(struct vm_area_struct *vma, - return ret; - } - --static int kernfs_vma_access(struct vm_area_struct *vma, unsigned long addr, -- void *buf, int len, int write) -+static ssize_t kernfs_vma_access(struct vm_area_struct *vma, unsigned long addr, -+ void *buf, size_t len, int write) - { - struct file *file = vma->vm_file; - struct kernfs_open_file *of = kernfs_of(file); -- int ret; -+ ssize_t ret; - - if (!of->vm_ops) - return -EINVAL; -@@ -569,7 +569,7 @@ static int kernfs_get_open_node(struct kernfs_node *kn, - return -ENOMEM; - - atomic_set(&new_on->refcnt, 0); -- atomic_set(&new_on->event, 1); -+ atomic_set_unchecked(&new_on->event, 1); - init_waitqueue_head(&new_on->poll); - INIT_LIST_HEAD(&new_on->files); - goto retry; -@@ -793,7 +793,7 @@ static unsigned int kernfs_fop_poll(struct file *filp, poll_table *wait) - - kernfs_put_active(kn); - -- if (of->event != atomic_read(&on->event)) -+ if (of->event != atomic_read_unchecked(&on->event)) - goto trigger; - - return DEFAULT_POLLMASK; -@@ -824,7 +824,7 @@ repeat: - - on = kn->attr.open; - if (on) { -- atomic_inc(&on->event); -+ atomic_inc_unchecked(&on->event); - wake_up_interruptible(&on->poll); - } - -diff --git a/fs/kernfs/symlink.c b/fs/kernfs/symlink.c -index 8a19889..4c3069a 100644 ---- a/fs/kernfs/symlink.c -+++ b/fs/kernfs/symlink.c -@@ -128,7 +128,7 @@ static void *kernfs_iop_follow_link(struct dentry *dentry, struct nameidata *nd) - static void kernfs_iop_put_link(struct dentry *dentry, struct nameidata *nd, - void *cookie) - { -- char *page = nd_get_link(nd); -+ const char *page = nd_get_link(nd); - if (!IS_ERR(page)) - free_page((unsigned long)page); - } -diff --git a/fs/libfs.c b/fs/libfs.c -index 0281359..24971ac 100644 ---- a/fs/libfs.c -+++ b/fs/libfs.c -@@ -160,6 +160,9 @@ int dcache_readdir(struct file *file, struct dir_context *ctx) - - for (p = q->next; p != &dentry->d_subdirs; p = p->next) { - struct dentry *next = list_entry(p, struct dentry, d_child); -+ char d_name[sizeof(next->d_iname)]; -+ const unsigned char *name; -+ - spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED); - if (!simple_positive(next)) { - spin_unlock(&next->d_lock); -@@ -168,7 +171,12 @@ int dcache_readdir(struct file *file, struct dir_context *ctx) - - spin_unlock(&next->d_lock); - spin_unlock(&dentry->d_lock); -- if (!dir_emit(ctx, next->d_name.name, next->d_name.len, -+ name = next->d_name.name; -+ if (name == next->d_iname) { -+ memcpy(d_name, name, next->d_name.len); -+ name = d_name; -+ } -+ if (!dir_emit(ctx, name, next->d_name.len, - d_inode(next)->i_ino, dt_type(d_inode(next)))) - return 0; - spin_lock(&dentry->d_lock); -@@ -1027,7 +1035,7 @@ EXPORT_SYMBOL(noop_fsync); - void kfree_put_link(struct dentry *dentry, struct nameidata *nd, - void *cookie) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - if (!IS_ERR(s)) - kfree(s); - } -diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c -index acd3947..1f896e2 100644 ---- a/fs/lockd/clntproc.c -+++ b/fs/lockd/clntproc.c -@@ -36,11 +36,11 @@ static const struct rpc_call_ops nlmclnt_cancel_ops; - /* - * Cookie counter for NLM requests - */ --static atomic_t nlm_cookie = ATOMIC_INIT(0x1234); -+static atomic_unchecked_t nlm_cookie = ATOMIC_INIT(0x1234); - - void nlmclnt_next_cookie(struct nlm_cookie *c) - { -- u32 cookie = atomic_inc_return(&nlm_cookie); -+ u32 cookie = atomic_inc_return_unchecked(&nlm_cookie); - - memcpy(c->data, &cookie, 4); - c->len=4; -diff --git a/fs/mount.h b/fs/mount.h -index 6a61c2b..bd79179 100644 ---- a/fs/mount.h -+++ b/fs/mount.h -@@ -13,7 +13,7 @@ struct mnt_namespace { - u64 seq; /* Sequence number to prevent loops */ - wait_queue_head_t poll; - u64 event; --}; -+} __randomize_layout; - - struct mnt_pcp { - int mnt_count; -@@ -65,7 +65,7 @@ struct mount { - struct hlist_head mnt_pins; - struct fs_pin mnt_umount; - struct dentry *mnt_ex_mountpoint; --}; -+} __randomize_layout; - - #define MNT_NS_INTERNAL ERR_PTR(-EINVAL) /* distinct from any mnt_namespace */ - -diff --git a/fs/namei.c b/fs/namei.c -index fe30d3b..57656a7 100644 ---- a/fs/namei.c -+++ b/fs/namei.c -@@ -336,17 +336,32 @@ int generic_permission(struct inode *inode, int mask) - if (ret != -EACCES) - return ret; - -+#ifdef CONFIG_GRKERNSEC -+ /* we'll block if we have to log due to a denied capability use */ -+ if (mask & MAY_NOT_BLOCK) -+ return -ECHILD; -+#endif -+ - if (S_ISDIR(inode->i_mode)) { - /* DACs are overridable for directories */ -- if (capable_wrt_inode_uidgid(inode, CAP_DAC_OVERRIDE)) -- return 0; - if (!(mask & MAY_WRITE)) -- if (capable_wrt_inode_uidgid(inode, -- CAP_DAC_READ_SEARCH)) -+ if (capable_wrt_inode_uidgid_nolog(inode, CAP_DAC_OVERRIDE) || -+ capable_wrt_inode_uidgid(inode, CAP_DAC_READ_SEARCH)) - return 0; -+ if (capable_wrt_inode_uidgid(inode, CAP_DAC_OVERRIDE)) -+ return 0; - return -EACCES; - } - /* -+ * Searching includes executable on directories, else just read. -+ */ -+ mask &= MAY_READ | MAY_WRITE | MAY_EXEC; -+ if (mask == MAY_READ) -+ if (capable_wrt_inode_uidgid_nolog(inode, CAP_DAC_OVERRIDE) || -+ capable_wrt_inode_uidgid(inode, CAP_DAC_READ_SEARCH)) -+ return 0; -+ -+ /* - * Read/write DACs are always overridable. - * Executable DACs are overridable when there is - * at least one exec bit set. -@@ -355,14 +370,6 @@ int generic_permission(struct inode *inode, int mask) - if (capable_wrt_inode_uidgid(inode, CAP_DAC_OVERRIDE)) - return 0; - -- /* -- * Searching includes executable on directories, else just read. -- */ -- mask &= MAY_READ | MAY_WRITE | MAY_EXEC; -- if (mask == MAY_READ) -- if (capable_wrt_inode_uidgid(inode, CAP_DAC_READ_SEARCH)) -- return 0; -- - return -EACCES; - } - EXPORT_SYMBOL(generic_permission); -@@ -502,7 +509,7 @@ struct nameidata { - int last_type; - unsigned depth; - struct file *base; -- char *saved_names[MAX_NESTED_LINKS + 1]; -+ const char *saved_names[MAX_NESTED_LINKS + 1]; - }; - - /* -@@ -713,13 +720,13 @@ void nd_jump_link(struct nameidata *nd, struct path *path) - nd->flags |= LOOKUP_JUMPED; - } - --void nd_set_link(struct nameidata *nd, char *path) -+void nd_set_link(struct nameidata *nd, const char *path) - { - nd->saved_names[nd->depth] = path; - } - EXPORT_SYMBOL(nd_set_link); - --char *nd_get_link(struct nameidata *nd) -+const char *nd_get_link(const struct nameidata *nd) - { - return nd->saved_names[nd->depth]; - } -@@ -766,7 +773,7 @@ static inline int may_follow_link(struct path *link, struct nameidata *nd) - return 0; - - /* Allowed if parent directory not sticky and world-writable. */ -- parent = nd->path.dentry->d_inode; -+ parent = nd->inode; - if ((parent->i_mode & (S_ISVTX|S_IWOTH)) != (S_ISVTX|S_IWOTH)) - return 0; - -@@ -854,7 +861,7 @@ follow_link(struct path *link, struct nameidata *nd, void **p) - { - struct dentry *dentry = link->dentry; - int error; -- char *s; -+ const char *s; - - BUG_ON(nd->flags & LOOKUP_RCU); - -@@ -875,6 +882,11 @@ follow_link(struct path *link, struct nameidata *nd, void **p) - if (error) - goto out_put_nd_path; - -+ if (gr_handle_follow_link(dentry, nd->path.mnt)) { -+ error = -EACCES; -+ goto out_put_nd_path; -+ } -+ - nd->last_type = LAST_BIND; - *p = dentry->d_inode->i_op->follow_link(dentry, nd); - error = PTR_ERR(*p); -@@ -1647,6 +1659,8 @@ static inline int nested_symlink(struct path *path, struct nameidata *nd) - if (res) - break; - res = walk_component(nd, path, LOOKUP_FOLLOW); -+ if (res >= 0 && gr_handle_symlink_owner(&link, nd->inode)) -+ res = -EACCES; - put_link(nd, &link, cookie); - } while (res > 0); - -@@ -1719,7 +1733,7 @@ EXPORT_SYMBOL(full_name_hash); - static inline u64 hash_name(const char *name) - { - unsigned long a, b, adata, bdata, mask, hash, len; -- const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; -+ static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; - - hash = a = 0; - len = -sizeof(unsigned long); -@@ -2015,6 +2029,8 @@ static int path_lookupat(int dfd, const struct filename *name, - if (err) - break; - err = lookup_last(nd, &path); -+ if (!err && gr_handle_symlink_owner(&link, nd->inode)) -+ err = -EACCES; - put_link(nd, &link, cookie); - } - } -@@ -2022,6 +2038,13 @@ static int path_lookupat(int dfd, const struct filename *name, - if (!err) - err = complete_walk(nd); - -+ if (!err && !(nd->flags & LOOKUP_PARENT)) { -+ if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) { -+ path_put(&nd->path); -+ err = -ENOENT; -+ } -+ } -+ - if (!err && nd->flags & LOOKUP_DIRECTORY) { - if (!d_can_lookup(nd->path.dentry)) { - path_put(&nd->path); -@@ -2042,8 +2065,15 @@ static int filename_lookup(int dfd, struct filename *name, - if (unlikely(retval == -ESTALE)) - retval = path_lookupat(dfd, name, flags | LOOKUP_REVAL, nd); - -- if (likely(!retval)) -+ if (likely(!retval)) { - audit_inode(name, nd->path.dentry, flags & LOOKUP_PARENT); -+ if (name->name[0] != '/' && nd->path.dentry && nd->inode) { -+ if (!gr_chroot_fchdir(nd->path.dentry, nd->path.mnt)) { -+ path_put(&nd->path); -+ return -ENOENT; -+ } -+ } -+ } - return retval; - } - -@@ -2621,6 +2651,13 @@ static int may_open(struct path *path, int acc_mode, int flag) - if (flag & O_NOATIME && !inode_owner_or_capable(inode)) - return -EPERM; - -+ if (gr_handle_rofs_blockwrite(dentry, path->mnt, acc_mode)) -+ return -EPERM; -+ if (gr_handle_rawio(inode)) -+ return -EPERM; -+ if (!gr_acl_handle_open(dentry, path->mnt, acc_mode)) -+ return -EACCES; -+ - return 0; - } - -@@ -2852,7 +2889,7 @@ looked_up: - * cleared otherwise prior to returning. - */ - static int lookup_open(struct nameidata *nd, struct path *path, -- struct file *file, -+ struct path *link, struct file *file, - const struct open_flags *op, - bool got_write, int *opened) - { -@@ -2887,6 +2924,17 @@ static int lookup_open(struct nameidata *nd, struct path *path, - /* Negative dentry, just create the file */ - if (!dentry->d_inode && (op->open_flag & O_CREAT)) { - umode_t mode = op->mode; -+ -+ if (link && gr_handle_symlink_owner(link, dir->d_inode)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ -+ if (!gr_acl_handle_creat(dentry, dir, nd->path.mnt, op->open_flag, op->acc_mode, mode)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ - if (!IS_POSIXACL(dir->d_inode)) - mode &= ~current_umask(); - /* -@@ -2908,6 +2956,8 @@ static int lookup_open(struct nameidata *nd, struct path *path, - nd->flags & LOOKUP_EXCL); - if (error) - goto out_dput; -+ else -+ gr_handle_create(dentry, nd->path.mnt); - } - out_no_open: - path->dentry = dentry; -@@ -2922,7 +2972,7 @@ out_dput: - /* - * Handle the last step of open() - */ --static int do_last(struct nameidata *nd, struct path *path, -+static int do_last(struct nameidata *nd, struct path *path, struct path *link, - struct file *file, const struct open_flags *op, - int *opened, struct filename *name) - { -@@ -2972,6 +3022,15 @@ static int do_last(struct nameidata *nd, struct path *path, - if (error) - return error; - -+ if (!gr_acl_handle_hidden_file(dir, nd->path.mnt)) { -+ error = -ENOENT; -+ goto out; -+ } -+ if (link && gr_handle_symlink_owner(link, nd->inode)) { -+ error = -EACCES; -+ goto out; -+ } -+ - audit_inode(name, dir, LOOKUP_PARENT); - error = -EISDIR; - /* trailing slashes? */ -@@ -2991,7 +3050,7 @@ retry_lookup: - */ - } - mutex_lock(&dir->d_inode->i_mutex); -- error = lookup_open(nd, path, file, op, got_write, opened); -+ error = lookup_open(nd, path, link, file, op, got_write, opened); - mutex_unlock(&dir->d_inode->i_mutex); - - if (error <= 0) { -@@ -3015,11 +3074,28 @@ retry_lookup: - goto finish_open_created; - } - -+ if (!gr_acl_handle_hidden_file(path->dentry, nd->path.mnt)) { -+ error = -ENOENT; -+ goto exit_dput; -+ } -+ if (link && gr_handle_symlink_owner(link, path->dentry->d_inode)) { -+ error = -EACCES; -+ goto exit_dput; -+ } -+ - /* - * create/update audit record if it already exists. - */ -- if (d_is_positive(path->dentry)) -+ if (d_is_positive(path->dentry)) { -+ /* only check if O_CREAT is specified, all other checks need to go -+ into may_open */ -+ if (gr_handle_fifo(path->dentry, path->mnt, dir, open_flag, acc_mode)) { -+ error = -EACCES; -+ goto exit_dput; -+ } -+ - audit_inode(name, path->dentry, 0); -+ } - - /* - * If atomic_open() acquired write access it is dropped now due to -@@ -3060,6 +3136,11 @@ finish_lookup: - } - } - BUG_ON(inode != path->dentry->d_inode); -+ /* if we're resolving a symlink to another symlink */ -+ if (link && gr_handle_symlink_owner(link, inode)) { -+ error = -EACCES; -+ goto out; -+ } - return 1; - } - -@@ -3079,7 +3160,18 @@ finish_open: - path_put(&save_parent); - return error; - } -+ -+ if (!gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) { -+ error = -ENOENT; -+ goto out; -+ } -+ if (link && gr_handle_symlink_owner(link, nd->inode)) { -+ error = -EACCES; -+ goto out; -+ } -+ - audit_inode(name, nd->path.dentry, 0); -+ - error = -EISDIR; - if ((open_flag & O_CREAT) && d_is_dir(nd->path.dentry)) - goto out; -@@ -3240,7 +3332,7 @@ static struct file *path_openat(int dfd, struct filename *pathname, - if (unlikely(error)) - goto out; - -- error = do_last(nd, &path, file, op, &opened, pathname); -+ error = do_last(nd, &path, NULL, file, op, &opened, pathname); - while (unlikely(error > 0)) { /* trailing symlink */ - struct path link = path; - void *cookie; -@@ -3258,7 +3350,7 @@ static struct file *path_openat(int dfd, struct filename *pathname, - error = follow_link(&link, nd, &cookie); - if (unlikely(error)) - break; -- error = do_last(nd, &path, file, op, &opened, pathname); -+ error = do_last(nd, &path, &link, file, op, &opened, pathname); - put_link(nd, &link, cookie); - } - out: -@@ -3361,9 +3453,11 @@ static struct dentry *filename_create(int dfd, struct filename *name, - goto unlock; - - error = -EEXIST; -- if (d_is_positive(dentry)) -+ if (d_is_positive(dentry)) { -+ if (!gr_acl_handle_hidden_file(dentry, nd.path.mnt)) -+ error = -ENOENT; - goto fail; -- -+ } - /* - * Special case - lookup gave negative, but... we had foo/bar/ - * From the vfs_mknod() POV we just have a negative dentry - -@@ -3428,6 +3522,20 @@ struct dentry *user_path_create(int dfd, const char __user *pathname, - } - EXPORT_SYMBOL(user_path_create); - -+static struct dentry *user_path_create_with_name(int dfd, const char __user *pathname, struct path *path, struct filename **to, unsigned int lookup_flags) -+{ -+ struct filename *tmp = getname(pathname); -+ struct dentry *res; -+ if (IS_ERR(tmp)) -+ return ERR_CAST(tmp); -+ res = kern_path_create(dfd, tmp->name, path, lookup_flags); -+ if (IS_ERR(res)) -+ putname(tmp); -+ else -+ *to = tmp; -+ return res; -+} -+ - int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) - { - int error = may_create(dir, dentry); -@@ -3491,6 +3599,17 @@ retry: - - if (!IS_POSIXACL(path.dentry->d_inode)) - mode &= ~current_umask(); -+ -+ if (gr_handle_chroot_mknod(dentry, path.mnt, mode)) { -+ error = -EPERM; -+ goto out; -+ } -+ -+ if (!gr_acl_handle_mknod(dentry, path.dentry, path.mnt, mode)) { -+ error = -EACCES; -+ goto out; -+ } -+ - error = security_path_mknod(&path, dentry, mode, dev); - if (error) - goto out; -@@ -3506,6 +3625,8 @@ retry: - error = vfs_mknod(path.dentry->d_inode,dentry,mode,0); - break; - } -+ if (!error) -+ gr_handle_create(dentry, path.mnt); - out: - done_path_create(&path, dentry); - if (retry_estale(error, lookup_flags)) { -@@ -3560,9 +3681,16 @@ retry: - - if (!IS_POSIXACL(path.dentry->d_inode)) - mode &= ~current_umask(); -+ if (!gr_acl_handle_mkdir(dentry, path.dentry, path.mnt)) { -+ error = -EACCES; -+ goto out; -+ } - error = security_path_mkdir(&path, dentry, mode); - if (!error) - error = vfs_mkdir(path.dentry->d_inode, dentry, mode); -+ if (!error) -+ gr_handle_create(dentry, path.mnt); -+out: - done_path_create(&path, dentry); - if (retry_estale(error, lookup_flags)) { - lookup_flags |= LOOKUP_REVAL; -@@ -3595,7 +3723,7 @@ void dentry_unhash(struct dentry *dentry) - { - shrink_dcache_parent(dentry); - spin_lock(&dentry->d_lock); -- if (dentry->d_lockref.count == 1) -+ if (__lockref_read(&dentry->d_lockref) == 1) - __d_drop(dentry); - spin_unlock(&dentry->d_lock); - } -@@ -3646,6 +3774,8 @@ static long do_rmdir(int dfd, const char __user *pathname) - struct filename *name; - struct dentry *dentry; - struct nameidata nd; -+ u64 saved_ino = 0; -+ dev_t saved_dev = 0; - unsigned int lookup_flags = 0; - retry: - name = user_path_parent(dfd, pathname, &nd, lookup_flags); -@@ -3678,10 +3808,21 @@ retry: - error = -ENOENT; - goto exit3; - } -+ -+ saved_ino = gr_get_ino_from_dentry(dentry); -+ saved_dev = gr_get_dev_from_dentry(dentry); -+ -+ if (!gr_acl_handle_rmdir(dentry, nd.path.mnt)) { -+ error = -EACCES; -+ goto exit3; -+ } -+ - error = security_path_rmdir(&nd.path, dentry); - if (error) - goto exit3; - error = vfs_rmdir(nd.path.dentry->d_inode, dentry); -+ if (!error && (saved_dev || saved_ino)) -+ gr_handle_delete(saved_ino, saved_dev); - exit3: - dput(dentry); - exit2: -@@ -3774,6 +3915,8 @@ static long do_unlinkat(int dfd, const char __user *pathname) - struct nameidata nd; - struct inode *inode = NULL; - struct inode *delegated_inode = NULL; -+ u64 saved_ino = 0; -+ dev_t saved_dev = 0; - unsigned int lookup_flags = 0; - retry: - name = user_path_parent(dfd, pathname, &nd, lookup_flags); -@@ -3800,10 +3943,22 @@ retry_deleg: - if (d_is_negative(dentry)) - goto slashes; - ihold(inode); -+ -+ if (inode->i_nlink <= 1) { -+ saved_ino = gr_get_ino_from_dentry(dentry); -+ saved_dev = gr_get_dev_from_dentry(dentry); -+ } -+ if (!gr_acl_handle_unlink(dentry, nd.path.mnt)) { -+ error = -EACCES; -+ goto exit2; -+ } -+ - error = security_path_unlink(&nd.path, dentry); - if (error) - goto exit2; - error = vfs_unlink(nd.path.dentry->d_inode, dentry, &delegated_inode); -+ if (!error && (saved_ino || saved_dev)) -+ gr_handle_delete(saved_ino, saved_dev); - exit2: - dput(dentry); - } -@@ -3892,9 +4047,17 @@ retry: - if (IS_ERR(dentry)) - goto out_putname; - -+ if (!gr_acl_handle_symlink(dentry, path.dentry, path.mnt, from)) { -+ error = -EACCES; -+ goto out; -+ } -+ - error = security_path_symlink(&path, dentry, from->name); - if (!error) - error = vfs_symlink(path.dentry->d_inode, dentry, from->name); -+ if (!error) -+ gr_handle_create(dentry, path.mnt); -+out: - done_path_create(&path, dentry); - if (retry_estale(error, lookup_flags)) { - lookup_flags |= LOOKUP_REVAL; -@@ -3998,6 +4161,7 @@ SYSCALL_DEFINE5(linkat, int, olddfd, const char __user *, oldname, - struct dentry *new_dentry; - struct path old_path, new_path; - struct inode *delegated_inode = NULL; -+ struct filename *to = NULL; - int how = 0; - int error; - -@@ -4021,7 +4185,7 @@ retry: - if (error) - return error; - -- new_dentry = user_path_create(newdfd, newname, &new_path, -+ new_dentry = user_path_create_with_name(newdfd, newname, &new_path, &to, - (how & LOOKUP_REVAL)); - error = PTR_ERR(new_dentry); - if (IS_ERR(new_dentry)) -@@ -4033,11 +4197,26 @@ retry: - error = may_linkat(&old_path); - if (unlikely(error)) - goto out_dput; -+ -+ if (gr_handle_hardlink(old_path.dentry, old_path.mnt, to)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ -+ if (!gr_acl_handle_link(new_dentry, new_path.dentry, new_path.mnt, -+ old_path.dentry, old_path.mnt, to)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ - error = security_path_link(old_path.dentry, &new_path, new_dentry); - if (error) - goto out_dput; - error = vfs_link(old_path.dentry, new_path.dentry->d_inode, new_dentry, &delegated_inode); -+ if (!error) -+ gr_handle_create(new_dentry, new_path.mnt); - out_dput: -+ putname(to); - done_path_create(&new_path, new_dentry); - if (delegated_inode) { - error = break_deleg_wait(&delegated_inode); -@@ -4353,6 +4532,20 @@ retry_deleg: - if (new_dentry == trap) - goto exit5; - -+ if (gr_bad_chroot_rename(old_dentry, oldnd.path.mnt, new_dentry, newnd.path.mnt)) { -+ /* use EXDEV error to cause 'mv' to switch to an alternative -+ * method for usability -+ */ -+ error = -EXDEV; -+ goto exit5; -+ } -+ -+ error = gr_acl_handle_rename(new_dentry, new_dir, newnd.path.mnt, -+ old_dentry, d_backing_inode(old_dir), oldnd.path.mnt, -+ to, flags); -+ if (error) -+ goto exit5; -+ - error = security_path_rename(&oldnd.path, old_dentry, - &newnd.path, new_dentry, flags); - if (error) -@@ -4360,6 +4553,9 @@ retry_deleg: - error = vfs_rename(old_dir->d_inode, old_dentry, - new_dir->d_inode, new_dentry, - &delegated_inode, flags); -+ if (!error) -+ gr_handle_rename(d_backing_inode(old_dir), d_backing_inode(new_dir), old_dentry, -+ new_dentry, oldnd.path.mnt, d_is_positive(new_dentry) ? 1 : 0, flags); - exit5: - dput(new_dentry); - exit4: -@@ -4416,14 +4612,24 @@ EXPORT_SYMBOL(vfs_whiteout); - - int readlink_copy(char __user *buffer, int buflen, const char *link) - { -+ char tmpbuf[64]; -+ const char *newlink; - int len = PTR_ERR(link); -+ - if (IS_ERR(link)) - goto out; - - len = strlen(link); - if (len > (unsigned) buflen) - len = buflen; -- if (copy_to_user(buffer, link, len)) -+ -+ if (len < sizeof(tmpbuf)) { -+ memcpy(tmpbuf, link, len); -+ newlink = tmpbuf; -+ } else -+ newlink = link; -+ -+ if (copy_to_user(buffer, newlink, len)) - len = -EFAULT; - out: - return len; -diff --git a/fs/namespace.c b/fs/namespace.c -index fce3cc1..ac3626c 100644 ---- a/fs/namespace.c -+++ b/fs/namespace.c -@@ -1505,6 +1505,9 @@ static int do_umount(struct mount *mnt, int flags) - if (!(sb->s_flags & MS_RDONLY)) - retval = do_remount_sb(sb, MS_RDONLY, NULL, 0); - up_write(&sb->s_umount); -+ -+ gr_log_remount(mnt->mnt_devname, retval); -+ - return retval; - } - -@@ -1527,6 +1530,9 @@ static int do_umount(struct mount *mnt, int flags) - } - unlock_mount_hash(); - namespace_unlock(); -+ -+ gr_log_unmount(mnt->mnt_devname, retval); -+ - return retval; - } - -@@ -1581,7 +1587,7 @@ static inline bool may_mount(void) - * unixes. Our API is identical to OSF/1 to avoid making a mess of AMD - */ - --SYSCALL_DEFINE2(umount, char __user *, name, int, flags) -+SYSCALL_DEFINE2(umount, const char __user *, name, int, flags) - { - struct path path; - struct mount *mnt; -@@ -1626,7 +1632,7 @@ out: - /* - * The 2.0 compatible umount. No flags. - */ --SYSCALL_DEFINE1(oldumount, char __user *, name) -+SYSCALL_DEFINE1(oldumount, const char __user *, name) - { - return sys_umount(name, 0); - } -@@ -2701,6 +2707,16 @@ long do_mount(const char *dev_name, const char __user *dir_name, - MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT | - MS_STRICTATIME); - -+ if (gr_handle_rofs_mount(path.dentry, path.mnt, mnt_flags)) { -+ retval = -EPERM; -+ goto dput_out; -+ } -+ -+ if (gr_handle_chroot_mount(path.dentry, path.mnt, dev_name)) { -+ retval = -EPERM; -+ goto dput_out; -+ } -+ - if (flags & MS_REMOUNT) - retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags, - data_page); -@@ -2714,7 +2730,10 @@ long do_mount(const char *dev_name, const char __user *dir_name, - retval = do_new_mount(&path, type_page, flags, mnt_flags, - dev_name, data_page); - dput_out: -+ gr_log_mount(dev_name, &path, retval); -+ - path_put(&path); -+ - return retval; - } - -@@ -2732,7 +2751,7 @@ static void free_mnt_ns(struct mnt_namespace *ns) - * number incrementing at 10Ghz will take 12,427 years to wrap which - * is effectively never, so we can ignore the possibility. - */ --static atomic64_t mnt_ns_seq = ATOMIC64_INIT(1); -+static atomic64_unchecked_t mnt_ns_seq = ATOMIC64_INIT(1); - - static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns) - { -@@ -2748,7 +2767,7 @@ static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns) - return ERR_PTR(ret); - } - new_ns->ns.ops = &mntns_operations; -- new_ns->seq = atomic64_add_return(1, &mnt_ns_seq); -+ new_ns->seq = atomic64_add_return_unchecked(1, &mnt_ns_seq); - atomic_set(&new_ns->count, 1); - new_ns->root = NULL; - INIT_LIST_HEAD(&new_ns->list); -@@ -2758,7 +2777,7 @@ static struct mnt_namespace *alloc_mnt_ns(struct user_namespace *user_ns) - return new_ns; - } - --struct mnt_namespace *copy_mnt_ns(unsigned long flags, struct mnt_namespace *ns, -+__latent_entropy struct mnt_namespace *copy_mnt_ns(unsigned long flags, struct mnt_namespace *ns, - struct user_namespace *user_ns, struct fs_struct *new_fs) - { - struct mnt_namespace *new_ns; -@@ -2879,8 +2898,8 @@ struct dentry *mount_subtree(struct vfsmount *mnt, const char *name) - } - EXPORT_SYMBOL(mount_subtree); - --SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name, -- char __user *, type, unsigned long, flags, void __user *, data) -+SYSCALL_DEFINE5(mount, const char __user *, dev_name, const char __user *, dir_name, -+ const char __user *, type, unsigned long, flags, void __user *, data) - { - int ret; - char *kernel_type; -@@ -2986,6 +3005,11 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root, - if (error) - goto out2; - -+ if (gr_handle_chroot_pivot()) { -+ error = -EPERM; -+ goto out2; -+ } -+ - get_fs_root(current->fs, &root); - old_mp = lock_mount(&old); - error = PTR_ERR(old_mp); -@@ -3287,7 +3311,7 @@ static int mntns_install(struct nsproxy *nsproxy, struct ns_common *ns) - !ns_capable(current_user_ns(), CAP_SYS_ADMIN)) - return -EPERM; - -- if (fs->users != 1) -+ if (atomic_read(&fs->users) != 1) - return -EINVAL; - - get_mnt_ns(mnt_ns); -diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c -index 19ca95c..b28702c 100644 ---- a/fs/nfs/callback_xdr.c -+++ b/fs/nfs/callback_xdr.c -@@ -51,7 +51,7 @@ struct callback_op { - callback_decode_arg_t decode_args; - callback_encode_res_t encode_res; - long res_maxsize; --}; -+} __do_const; - - static struct callback_op callback_ops[]; - -diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c -index 5d25b9d..765fc0f 100644 ---- a/fs/nfs/inode.c -+++ b/fs/nfs/inode.c -@@ -1277,16 +1277,16 @@ static int nfs_ctime_need_update(const struct inode *inode, const struct nfs_fat - return timespec_compare(&fattr->ctime, &inode->i_ctime) > 0; - } - --static atomic_long_t nfs_attr_generation_counter; -+static atomic_long_unchecked_t nfs_attr_generation_counter; - - static unsigned long nfs_read_attr_generation_counter(void) - { -- return atomic_long_read(&nfs_attr_generation_counter); -+ return atomic_long_read_unchecked(&nfs_attr_generation_counter); - } - - unsigned long nfs_inc_attr_generation_counter(void) - { -- return atomic_long_inc_return(&nfs_attr_generation_counter); -+ return atomic_long_inc_return_unchecked(&nfs_attr_generation_counter); - } - EXPORT_SYMBOL_GPL(nfs_inc_attr_generation_counter); - -diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h -index 9e6475b..7970138 100644 ---- a/fs/nfs/internal.h -+++ b/fs/nfs/internal.h -@@ -296,6 +296,22 @@ extern struct rpc_procinfo nfs4_procedures[]; - - #ifdef CONFIG_NFS_V4_SECURITY_LABEL - extern struct nfs4_label *nfs4_label_alloc(struct nfs_server *server, gfp_t flags); -+static inline struct nfs4_label * -+nfs4_label_copy(struct nfs4_label *dst, struct nfs4_label *src) -+{ -+ if (!dst || !src) -+ return NULL; -+ -+ if (src->len > NFS4_MAXLABELLEN) -+ return NULL; -+ -+ dst->lfs = src->lfs; -+ dst->pi = src->pi; -+ dst->len = src->len; -+ memcpy(dst->label, src->label, src->len); -+ -+ return dst; -+} - static inline void nfs4_label_free(struct nfs4_label *label) - { - if (label) { -@@ -316,6 +332,11 @@ static inline void nfs4_label_free(void *label) {} - static inline void nfs_zap_label_cache_locked(struct nfs_inode *nfsi) - { - } -+static inline struct nfs4_label * -+nfs4_label_copy(struct nfs4_label *dst, struct nfs4_label *src) -+{ -+ return NULL; -+} - #endif /* CONFIG_NFS_V4_SECURITY_LABEL */ - - /* proc.c */ -diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c -index d3f2051..dd338dc 100644 ---- a/fs/nfs/nfs4proc.c -+++ b/fs/nfs/nfs4proc.c -@@ -916,6 +916,7 @@ struct nfs4_opendata { - struct nfs_open_confirmres c_res; - struct nfs4_string owner_name; - struct nfs4_string group_name; -+ struct nfs4_label *a_label; - struct nfs_fattr f_attr; - struct nfs4_label *f_label; - struct dentry *dir; -@@ -1019,6 +1020,10 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, - if (IS_ERR(p->f_label)) - goto err_free_p; - -+ p->a_label = nfs4_label_alloc(server, gfp_mask); -+ if (IS_ERR(p->a_label)) -+ goto err_free_f; -+ - alloc_seqid = server->nfs_client->cl_mvops->alloc_seqid; - p->o_arg.seqid = alloc_seqid(&sp->so_seqid, gfp_mask); - if (IS_ERR(p->o_arg.seqid)) -@@ -1047,7 +1052,7 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, - p->o_arg.server = server; - p->o_arg.bitmask = nfs4_bitmask(server, label); - p->o_arg.open_bitmap = &nfs4_fattr_bitmap[0]; -- p->o_arg.label = label; -+ p->o_arg.label = nfs4_label_copy(p->a_label, label); - p->o_arg.claim = nfs4_map_atomic_open_claim(server, claim); - switch (p->o_arg.claim) { - case NFS4_OPEN_CLAIM_NULL: -@@ -1080,6 +1085,8 @@ static struct nfs4_opendata *nfs4_opendata_alloc(struct dentry *dentry, - return p; - - err_free_label: -+ nfs4_label_free(p->a_label); -+err_free_f: - nfs4_label_free(p->f_label); - err_free_p: - kfree(p); -@@ -1099,6 +1106,7 @@ static void nfs4_opendata_free(struct kref *kref) - nfs4_put_open_state(p->state); - nfs4_put_state_owner(p->owner); - -+ nfs4_label_free(p->a_label); - nfs4_label_free(p->f_label); - - dput(p->dir); -diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c -index 864e200..357c255 100644 ---- a/fs/nfsd/nfs4proc.c -+++ b/fs/nfsd/nfs4proc.c -@@ -1496,7 +1496,7 @@ struct nfsd4_operation { - nfsd4op_rsize op_rsize_bop; - stateid_getter op_get_currentstateid; - stateid_setter op_set_currentstateid; --}; -+} __do_const; - - static struct nfsd4_operation nfsd4_ops[]; - -diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c -index d4d8445..36ae1a1 100644 ---- a/fs/nfsd/nfs4xdr.c -+++ b/fs/nfsd/nfs4xdr.c -@@ -1703,7 +1703,7 @@ nfsd4_decode_notsupp(struct nfsd4_compoundargs *argp, void *p) - - typedef __be32(*nfsd4_dec)(struct nfsd4_compoundargs *argp, void *); - --static nfsd4_dec nfsd4_dec_ops[] = { -+static const nfsd4_dec nfsd4_dec_ops[] = { - [OP_ACCESS] = (nfsd4_dec)nfsd4_decode_access, - [OP_CLOSE] = (nfsd4_dec)nfsd4_decode_close, - [OP_COMMIT] = (nfsd4_dec)nfsd4_decode_commit, -diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c -index 46ec934..f384e41 100644 ---- a/fs/nfsd/nfscache.c -+++ b/fs/nfsd/nfscache.c -@@ -541,7 +541,7 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp) - struct kvec *resv = &rqstp->rq_res.head[0], *cachv; - u32 hash; - struct nfsd_drc_bucket *b; -- int len; -+ long len; - size_t bufsize = 0; - - if (!rp) -@@ -550,11 +550,14 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp) - hash = nfsd_cache_hash(rp->c_xid); - b = &drc_hashtbl[hash]; - -- len = resv->iov_len - ((char*)statp - (char*)resv->iov_base); -- len >>= 2; -+ if (statp) { -+ len = (char*)statp - (char*)resv->iov_base; -+ len = resv->iov_len - len; -+ len >>= 2; -+ } - - /* Don't cache excessive amounts of data and XDR failures */ -- if (!statp || len > (256 >> 2)) { -+ if (!statp || len > (256 >> 2) || len < 0) { - nfsd_reply_cache_free(b, rp); - return; - } -@@ -562,7 +565,7 @@ nfsd_cache_update(struct svc_rqst *rqstp, int cachetype, __be32 *statp) - switch (cachetype) { - case RC_REPLSTAT: - if (len != 1) -- printk("nfsd: RC_REPLSTAT/reply len %d!\n",len); -+ printk("nfsd: RC_REPLSTAT/reply len %ld!\n",len); - rp->c_replstat = *statp; - break; - case RC_REPLBUFF: -diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c -index 84d770b..929bc5e 100644 ---- a/fs/nfsd/vfs.c -+++ b/fs/nfsd/vfs.c -@@ -893,7 +893,7 @@ __be32 nfsd_readv(struct file *file, loff_t offset, struct kvec *vec, int vlen, - - oldfs = get_fs(); - set_fs(KERNEL_DS); -- host_err = vfs_readv(file, (struct iovec __user *)vec, vlen, &offset); -+ host_err = vfs_readv(file, (struct iovec __force_user *)vec, vlen, &offset); - set_fs(oldfs); - return nfsd_finish_read(file, count, host_err); - } -@@ -980,7 +980,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, struct svc_fh *fhp, struct file *file, - - /* Write the data. */ - oldfs = get_fs(); set_fs(KERNEL_DS); -- host_err = vfs_writev(file, (struct iovec __user *)vec, vlen, &pos); -+ host_err = vfs_writev(file, (struct iovec __force_user *)vec, vlen, &pos); - set_fs(oldfs); - if (host_err < 0) - goto out_nfserr; -@@ -1525,7 +1525,7 @@ nfsd_readlink(struct svc_rqst *rqstp, struct svc_fh *fhp, char *buf, int *lenp) - */ - - oldfs = get_fs(); set_fs(KERNEL_DS); -- host_err = inode->i_op->readlink(path.dentry, (char __user *)buf, *lenp); -+ host_err = inode->i_op->readlink(path.dentry, (char __force_user *)buf, *lenp); - set_fs(oldfs); - - if (host_err < 0) -diff --git a/fs/nls/nls_base.c b/fs/nls/nls_base.c -index 52ccd34..7a6b202 100644 ---- a/fs/nls/nls_base.c -+++ b/fs/nls/nls_base.c -@@ -234,21 +234,25 @@ EXPORT_SYMBOL(utf16s_to_utf8s); - - int __register_nls(struct nls_table *nls, struct module *owner) - { -- struct nls_table ** tmp = &tables; -+ struct nls_table *tmp = tables; - - if (nls->next) - return -EBUSY; - -- nls->owner = owner; -+ pax_open_kernel(); -+ *(void **)&nls->owner = owner; -+ pax_close_kernel(); - spin_lock(&nls_lock); -- while (*tmp) { -- if (nls == *tmp) { -+ while (tmp) { -+ if (nls == tmp) { - spin_unlock(&nls_lock); - return -EBUSY; - } -- tmp = &(*tmp)->next; -+ tmp = tmp->next; - } -- nls->next = tables; -+ pax_open_kernel(); -+ *(struct nls_table **)&nls->next = tables; -+ pax_close_kernel(); - tables = nls; - spin_unlock(&nls_lock); - return 0; -@@ -257,12 +261,14 @@ EXPORT_SYMBOL(__register_nls); - - int unregister_nls(struct nls_table * nls) - { -- struct nls_table ** tmp = &tables; -+ struct nls_table * const * tmp = &tables; - - spin_lock(&nls_lock); - while (*tmp) { - if (nls == *tmp) { -- *tmp = nls->next; -+ pax_open_kernel(); -+ *(struct nls_table **)tmp = nls->next; -+ pax_close_kernel(); - spin_unlock(&nls_lock); - return 0; - } -@@ -272,7 +278,7 @@ int unregister_nls(struct nls_table * nls) - return -EINVAL; - } - --static struct nls_table *find_nls(char *charset) -+static struct nls_table *find_nls(const char *charset) - { - struct nls_table *nls; - spin_lock(&nls_lock); -@@ -288,7 +294,7 @@ static struct nls_table *find_nls(char *charset) - return nls; - } - --struct nls_table *load_nls(char *charset) -+struct nls_table *load_nls(const char *charset) - { - return try_then_request_module(find_nls(charset), "nls_%s", charset); - } -diff --git a/fs/nls/nls_euc-jp.c b/fs/nls/nls_euc-jp.c -index 162b3f1..6076a7c 100644 ---- a/fs/nls/nls_euc-jp.c -+++ b/fs/nls/nls_euc-jp.c -@@ -560,8 +560,10 @@ static int __init init_nls_euc_jp(void) - p_nls = load_nls("cp932"); - - if (p_nls) { -- table.charset2upper = p_nls->charset2upper; -- table.charset2lower = p_nls->charset2lower; -+ pax_open_kernel(); -+ *(const unsigned char **)&table.charset2upper = p_nls->charset2upper; -+ *(const unsigned char **)&table.charset2lower = p_nls->charset2lower; -+ pax_close_kernel(); - return register_nls(&table); - } - -diff --git a/fs/nls/nls_koi8-ru.c b/fs/nls/nls_koi8-ru.c -index a80a741..7b96e1b 100644 ---- a/fs/nls/nls_koi8-ru.c -+++ b/fs/nls/nls_koi8-ru.c -@@ -62,8 +62,10 @@ static int __init init_nls_koi8_ru(void) - p_nls = load_nls("koi8-u"); - - if (p_nls) { -- table.charset2upper = p_nls->charset2upper; -- table.charset2lower = p_nls->charset2lower; -+ pax_open_kernel(); -+ *(const unsigned char **)&table.charset2upper = p_nls->charset2upper; -+ *(const unsigned char **)&table.charset2lower = p_nls->charset2lower; -+ pax_close_kernel(); - return register_nls(&table); - } - -diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c -index cf27550..6c70f29d 100644 ---- a/fs/notify/fanotify/fanotify_user.c -+++ b/fs/notify/fanotify/fanotify_user.c -@@ -216,8 +216,8 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group, - - fd = fanotify_event_metadata.fd; - ret = -EFAULT; -- if (copy_to_user(buf, &fanotify_event_metadata, -- fanotify_event_metadata.event_len)) -+ if (fanotify_event_metadata.event_len > sizeof fanotify_event_metadata || -+ copy_to_user(buf, &fanotify_event_metadata, fanotify_event_metadata.event_len)) - goto out_close_fd; - - #ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS -diff --git a/fs/notify/notification.c b/fs/notify/notification.c -index a95d8e0..a91a5fd 100644 ---- a/fs/notify/notification.c -+++ b/fs/notify/notification.c -@@ -48,7 +48,7 @@ - #include <linux/fsnotify_backend.h> - #include "fsnotify.h" - --static atomic_t fsnotify_sync_cookie = ATOMIC_INIT(0); -+static atomic_unchecked_t fsnotify_sync_cookie = ATOMIC_INIT(0); - - /** - * fsnotify_get_cookie - return a unique cookie for use in synchronizing events. -@@ -56,7 +56,7 @@ static atomic_t fsnotify_sync_cookie = ATOMIC_INIT(0); - */ - u32 fsnotify_get_cookie(void) - { -- return atomic_inc_return(&fsnotify_sync_cookie); -+ return atomic_inc_return_unchecked(&fsnotify_sync_cookie); - } - EXPORT_SYMBOL_GPL(fsnotify_get_cookie); - -diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c -index 9e38daf..5727cae 100644 ---- a/fs/ntfs/dir.c -+++ b/fs/ntfs/dir.c -@@ -1310,7 +1310,7 @@ find_next_index_buffer: - ia = (INDEX_ALLOCATION*)(kaddr + (ia_pos & ~PAGE_CACHE_MASK & - ~(s64)(ndir->itype.index.block_size - 1))); - /* Bounds checks. */ -- if (unlikely((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) { -+ if (unlikely(!kaddr || (u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) { - ntfs_error(sb, "Out of bounds check failed. Corrupt directory " - "inode 0x%lx or driver bug.", vdir->i_ino); - goto err_out; -diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c -index 9e1e112..241a52a 100644 ---- a/fs/ntfs/super.c -+++ b/fs/ntfs/super.c -@@ -688,7 +688,7 @@ static struct buffer_head *read_ntfs_boot_sector(struct super_block *sb, - if (!silent) - ntfs_error(sb, "Primary boot sector is invalid."); - } else if (!silent) -- ntfs_error(sb, read_err_str, "primary"); -+ ntfs_error(sb, read_err_str, "%s", "primary"); - if (!(NTFS_SB(sb)->on_errors & ON_ERRORS_RECOVER)) { - if (bh_primary) - brelse(bh_primary); -@@ -704,7 +704,7 @@ static struct buffer_head *read_ntfs_boot_sector(struct super_block *sb, - goto hotfix_primary_boot_sector; - brelse(bh_backup); - } else if (!silent) -- ntfs_error(sb, read_err_str, "backup"); -+ ntfs_error(sb, read_err_str, "%s", "backup"); - /* Try to read NT3.51- backup boot sector. */ - if ((bh_backup = sb_bread(sb, nr_blocks >> 1))) { - if (is_boot_sector_ntfs(sb, (NTFS_BOOT_SECTOR*) -@@ -715,7 +715,7 @@ static struct buffer_head *read_ntfs_boot_sector(struct super_block *sb, - "sector."); - brelse(bh_backup); - } else if (!silent) -- ntfs_error(sb, read_err_str, "backup"); -+ ntfs_error(sb, read_err_str, "%s", "backup"); - /* We failed. Cleanup and return. */ - if (bh_primary) - brelse(bh_primary); -diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c -index 857bbbc..3c47d15 100644 ---- a/fs/ocfs2/localalloc.c -+++ b/fs/ocfs2/localalloc.c -@@ -1320,7 +1320,7 @@ static int ocfs2_local_alloc_slide_window(struct ocfs2_super *osb, - goto bail; - } - -- atomic_inc(&osb->alloc_stats.moves); -+ atomic_inc_unchecked(&osb->alloc_stats.moves); - - bail: - if (handle) -diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h -index 460c6c3..b4ef513 100644 ---- a/fs/ocfs2/ocfs2.h -+++ b/fs/ocfs2/ocfs2.h -@@ -247,11 +247,11 @@ enum ocfs2_vol_state - - struct ocfs2_alloc_stats - { -- atomic_t moves; -- atomic_t local_data; -- atomic_t bitmap_data; -- atomic_t bg_allocs; -- atomic_t bg_extends; -+ atomic_unchecked_t moves; -+ atomic_unchecked_t local_data; -+ atomic_unchecked_t bitmap_data; -+ atomic_unchecked_t bg_allocs; -+ atomic_unchecked_t bg_extends; - }; - - enum ocfs2_local_alloc_state -diff --git a/fs/ocfs2/suballoc.c b/fs/ocfs2/suballoc.c -index 4479029..5de740b 100644 ---- a/fs/ocfs2/suballoc.c -+++ b/fs/ocfs2/suballoc.c -@@ -867,7 +867,7 @@ static int ocfs2_reserve_suballoc_bits(struct ocfs2_super *osb, - mlog_errno(status); - goto bail; - } -- atomic_inc(&osb->alloc_stats.bg_extends); -+ atomic_inc_unchecked(&osb->alloc_stats.bg_extends); - - /* You should never ask for this much metadata */ - BUG_ON(bits_wanted > -@@ -2014,7 +2014,7 @@ int ocfs2_claim_metadata(handle_t *handle, - mlog_errno(status); - goto bail; - } -- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); -+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); - - *suballoc_loc = res.sr_bg_blkno; - *suballoc_bit_start = res.sr_bit_offset; -@@ -2180,7 +2180,7 @@ int ocfs2_claim_new_inode_at_loc(handle_t *handle, - trace_ocfs2_claim_new_inode_at_loc((unsigned long long)di_blkno, - res->sr_bits); - -- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); -+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); - - BUG_ON(res->sr_bits != 1); - -@@ -2222,7 +2222,7 @@ int ocfs2_claim_new_inode(handle_t *handle, - mlog_errno(status); - goto bail; - } -- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); -+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); - - BUG_ON(res.sr_bits != 1); - -@@ -2326,7 +2326,7 @@ int __ocfs2_claim_clusters(handle_t *handle, - cluster_start, - num_clusters); - if (!status) -- atomic_inc(&osb->alloc_stats.local_data); -+ atomic_inc_unchecked(&osb->alloc_stats.local_data); - } else { - if (min_clusters > (osb->bitmap_cpg - 1)) { - /* The only paths asking for contiguousness -@@ -2352,7 +2352,7 @@ int __ocfs2_claim_clusters(handle_t *handle, - ocfs2_desc_bitmap_to_cluster_off(ac->ac_inode, - res.sr_bg_blkno, - res.sr_bit_offset); -- atomic_inc(&osb->alloc_stats.bitmap_data); -+ atomic_inc_unchecked(&osb->alloc_stats.bitmap_data); - *num_clusters = res.sr_bits; - } - } -diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c -index 403c566..6525b35 100644 ---- a/fs/ocfs2/super.c -+++ b/fs/ocfs2/super.c -@@ -308,11 +308,11 @@ static int ocfs2_osb_dump(struct ocfs2_super *osb, char *buf, int len) - "%10s => GlobalAllocs: %d LocalAllocs: %d " - "SubAllocs: %d LAWinMoves: %d SAExtends: %d\n", - "Stats", -- atomic_read(&osb->alloc_stats.bitmap_data), -- atomic_read(&osb->alloc_stats.local_data), -- atomic_read(&osb->alloc_stats.bg_allocs), -- atomic_read(&osb->alloc_stats.moves), -- atomic_read(&osb->alloc_stats.bg_extends)); -+ atomic_read_unchecked(&osb->alloc_stats.bitmap_data), -+ atomic_read_unchecked(&osb->alloc_stats.local_data), -+ atomic_read_unchecked(&osb->alloc_stats.bg_allocs), -+ atomic_read_unchecked(&osb->alloc_stats.moves), -+ atomic_read_unchecked(&osb->alloc_stats.bg_extends)); - - out += snprintf(buf + out, len - out, - "%10s => State: %u Descriptor: %llu Size: %u bits " -@@ -2095,11 +2095,11 @@ static int ocfs2_initialize_super(struct super_block *sb, - - mutex_init(&osb->system_file_mutex); - -- atomic_set(&osb->alloc_stats.moves, 0); -- atomic_set(&osb->alloc_stats.local_data, 0); -- atomic_set(&osb->alloc_stats.bitmap_data, 0); -- atomic_set(&osb->alloc_stats.bg_allocs, 0); -- atomic_set(&osb->alloc_stats.bg_extends, 0); -+ atomic_set_unchecked(&osb->alloc_stats.moves, 0); -+ atomic_set_unchecked(&osb->alloc_stats.local_data, 0); -+ atomic_set_unchecked(&osb->alloc_stats.bitmap_data, 0); -+ atomic_set_unchecked(&osb->alloc_stats.bg_allocs, 0); -+ atomic_set_unchecked(&osb->alloc_stats.bg_extends, 0); - - /* Copy the blockcheck stats from the superblock probe */ - osb->osb_ecc_stats = *stats; -diff --git a/fs/open.c b/fs/open.c -index 98e5a52..8e77e14 100644 ---- a/fs/open.c -+++ b/fs/open.c -@@ -32,6 +32,8 @@ - #include <linux/dnotify.h> - #include <linux/compat.h> - -+#define CREATE_TRACE_POINTS -+#include <trace/events/fs.h> - #include "internal.h" - - int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs, -@@ -103,6 +105,8 @@ long vfs_truncate(struct path *path, loff_t length) - error = locks_verify_truncate(inode, NULL, length); - if (!error) - error = security_path_truncate(path); -+ if (!error && !gr_acl_handle_truncate(path->dentry, path->mnt)) -+ error = -EACCES; - if (!error) - error = do_truncate(path->dentry, length, 0, NULL); - -@@ -187,6 +191,8 @@ static long do_sys_ftruncate(unsigned int fd, loff_t length, int small) - error = locks_verify_truncate(inode, f.file, length); - if (!error) - error = security_path_truncate(&f.file->f_path); -+ if (!error && !gr_acl_handle_truncate(f.file->f_path.dentry, f.file->f_path.mnt)) -+ error = -EACCES; - if (!error) - error = do_truncate(dentry, length, ATTR_MTIME|ATTR_CTIME, f.file); - sb_end_write(inode->i_sb); -@@ -396,6 +402,9 @@ retry: - if (__mnt_is_readonly(path.mnt)) - res = -EROFS; - -+ if (!res && !gr_acl_handle_access(path.dentry, path.mnt, mode)) -+ res = -EACCES; -+ - out_path_release: - path_put(&path); - if (retry_estale(res, lookup_flags)) { -@@ -427,6 +436,8 @@ retry: - if (error) - goto dput_and_out; - -+ gr_log_chdir(path.dentry, path.mnt); -+ - set_fs_pwd(current->fs, &path); - - dput_and_out: -@@ -456,6 +467,13 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd) - goto out_putf; - - error = inode_permission(inode, MAY_EXEC | MAY_CHDIR); -+ -+ if (!error && !gr_chroot_fchdir(f.file->f_path.dentry, f.file->f_path.mnt)) -+ error = -EPERM; -+ -+ if (!error) -+ gr_log_chdir(f.file->f_path.dentry, f.file->f_path.mnt); -+ - if (!error) - set_fs_pwd(current->fs, &f.file->f_path); - out_putf: -@@ -485,7 +503,13 @@ retry: - if (error) - goto dput_and_out; - -+ if (gr_handle_chroot_chroot(path.dentry, path.mnt)) -+ goto dput_and_out; -+ - set_fs_root(current->fs, &path); -+ -+ gr_handle_chroot_chdir(&path); -+ - error = 0; - dput_and_out: - path_put(&path); -@@ -509,6 +533,16 @@ static int chmod_common(struct path *path, umode_t mode) - return error; - retry_deleg: - mutex_lock(&inode->i_mutex); -+ -+ if (!gr_acl_handle_chmod(path->dentry, path->mnt, &mode)) { -+ error = -EACCES; -+ goto out_unlock; -+ } -+ if (gr_handle_chroot_chmod(path->dentry, path->mnt, mode)) { -+ error = -EACCES; -+ goto out_unlock; -+ } -+ - error = security_path_chmod(path, mode); - if (error) - goto out_unlock; -@@ -574,6 +608,9 @@ static int chown_common(struct path *path, uid_t user, gid_t group) - uid = make_kuid(current_user_ns(), user); - gid = make_kgid(current_user_ns(), group); - -+ if (!gr_acl_handle_chown(path->dentry, path->mnt)) -+ return -EACCES; -+ - retry_deleg: - newattrs.ia_valid = ATTR_CTIME; - if (user != (uid_t) -1) { -@@ -1018,6 +1055,7 @@ long do_sys_open(int dfd, const char __user *filename, int flags, umode_t mode) - } else { - fsnotify_open(f); - fd_install(fd, f); -+ trace_do_sys_open(tmp->name, flags, mode); - } - } - putname(tmp); -diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c -index 04f1248..60b3be1 100644 ---- a/fs/overlayfs/inode.c -+++ b/fs/overlayfs/inode.c -@@ -344,6 +344,9 @@ static int ovl_dentry_open(struct dentry *dentry, struct file *file, - enum ovl_path_type type; - bool want_write = false; - -+ if (d_is_dir(dentry)) -+ return d_backing_inode(dentry); -+ - type = ovl_path_real(dentry, &realpath); - if (ovl_open_need_copy_up(file->f_flags, type, realpath.dentry)) { - want_write = true; -diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c -index bf8537c..c16ef7d 100644 ---- a/fs/overlayfs/super.c -+++ b/fs/overlayfs/super.c -@@ -172,7 +172,7 @@ void ovl_path_lower(struct dentry *dentry, struct path *path) - { - struct ovl_entry *oe = dentry->d_fsdata; - -- *path = oe->numlower ? oe->lowerstack[0] : (struct path) { NULL, NULL }; -+ *path = oe->numlower ? oe->lowerstack[0] : (struct path) { .dentry = NULL, .mnt = NULL }; - } - - int ovl_want_write(struct dentry *dentry) -@@ -816,8 +816,8 @@ static unsigned int ovl_split_lowerdirs(char *str) - - static int ovl_fill_super(struct super_block *sb, void *data, int silent) - { -- struct path upperpath = { NULL, NULL }; -- struct path workpath = { NULL, NULL }; -+ struct path upperpath = { .dentry = NULL, .mnt = NULL }; -+ struct path workpath = { .dentry = NULL, .mnt = NULL }; - struct dentry *root_dentry; - struct ovl_entry *oe; - struct ovl_fs *ufs; -diff --git a/fs/pipe.c b/fs/pipe.c -index 8865f79..bd2c79b 100644 ---- a/fs/pipe.c -+++ b/fs/pipe.c -@@ -36,7 +36,7 @@ unsigned int pipe_max_size = 1048576; - /* - * Minimum pipe size, as required by POSIX - */ --unsigned int pipe_min_size = PAGE_SIZE; -+unsigned int pipe_min_size __read_only = PAGE_SIZE; - - /* - * We use a start+len construction, which provides full use of the -@@ -55,7 +55,7 @@ unsigned int pipe_min_size = PAGE_SIZE; - - static void pipe_lock_nested(struct pipe_inode_info *pipe, int subclass) - { -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - mutex_lock_nested(&pipe->mutex, subclass); - } - -@@ -70,7 +70,7 @@ EXPORT_SYMBOL(pipe_lock); - - void pipe_unlock(struct pipe_inode_info *pipe) - { -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - mutex_unlock(&pipe->mutex); - } - EXPORT_SYMBOL(pipe_unlock); -@@ -291,9 +291,9 @@ pipe_read(struct kiocb *iocb, struct iov_iter *to) - } - if (bufs) /* More to do? */ - continue; -- if (!pipe->writers) -+ if (!atomic_read(&pipe->writers)) - break; -- if (!pipe->waiting_writers) { -+ if (!atomic_read(&pipe->waiting_writers)) { - /* syscall merging: Usually we must not sleep - * if O_NONBLOCK is set, or if we got some data. - * But if a writer sleeps in kernel space, then -@@ -350,7 +350,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from) - - __pipe_lock(pipe); - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - ret = -EPIPE; - goto out; -@@ -386,7 +386,7 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from) - for (;;) { - int bufs; - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -454,9 +454,9 @@ pipe_write(struct kiocb *iocb, struct iov_iter *from) - kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); - do_wakeup = 0; - } -- pipe->waiting_writers++; -+ atomic_inc(&pipe->waiting_writers); - pipe_wait(pipe); -- pipe->waiting_writers--; -+ atomic_dec(&pipe->waiting_writers); - } - out: - __pipe_unlock(pipe); -@@ -511,7 +511,7 @@ pipe_poll(struct file *filp, poll_table *wait) - mask = 0; - if (filp->f_mode & FMODE_READ) { - mask = (nrbufs > 0) ? POLLIN | POLLRDNORM : 0; -- if (!pipe->writers && filp->f_version != pipe->w_counter) -+ if (!atomic_read(&pipe->writers) && filp->f_version != pipe->w_counter) - mask |= POLLHUP; - } - -@@ -521,7 +521,7 @@ pipe_poll(struct file *filp, poll_table *wait) - * Most Unices do not set POLLERR for FIFOs but on Linux they - * behave exactly like pipes for poll(). - */ -- if (!pipe->readers) -+ if (!atomic_read(&pipe->readers)) - mask |= POLLERR; - } - -@@ -533,7 +533,7 @@ static void put_pipe_info(struct inode *inode, struct pipe_inode_info *pipe) - int kill = 0; - - spin_lock(&inode->i_lock); -- if (!--pipe->files) { -+ if (atomic_dec_and_test(&pipe->files)) { - inode->i_pipe = NULL; - kill = 1; - } -@@ -550,11 +550,11 @@ pipe_release(struct inode *inode, struct file *file) - - __pipe_lock(pipe); - if (file->f_mode & FMODE_READ) -- pipe->readers--; -+ atomic_dec(&pipe->readers); - if (file->f_mode & FMODE_WRITE) -- pipe->writers--; -+ atomic_dec(&pipe->writers); - -- if (pipe->readers || pipe->writers) { -+ if (atomic_read(&pipe->readers) || atomic_read(&pipe->writers)) { - wake_up_interruptible_sync_poll(&pipe->wait, POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM | POLLERR | POLLHUP); - kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); - kill_fasync(&pipe->fasync_writers, SIGIO, POLL_OUT); -@@ -619,7 +619,7 @@ void free_pipe_info(struct pipe_inode_info *pipe) - kfree(pipe); - } - --static struct vfsmount *pipe_mnt __read_mostly; -+struct vfsmount *pipe_mnt __read_mostly; - - /* - * pipefs_dname() is called from d_path(). -@@ -649,8 +649,9 @@ static struct inode * get_pipe_inode(void) - goto fail_iput; - - inode->i_pipe = pipe; -- pipe->files = 2; -- pipe->readers = pipe->writers = 1; -+ atomic_set(&pipe->files, 2); -+ atomic_set(&pipe->readers, 1); -+ atomic_set(&pipe->writers, 1); - inode->i_fop = &pipefifo_fops; - - /* -@@ -829,17 +830,17 @@ static int fifo_open(struct inode *inode, struct file *filp) - spin_lock(&inode->i_lock); - if (inode->i_pipe) { - pipe = inode->i_pipe; -- pipe->files++; -+ atomic_inc(&pipe->files); - spin_unlock(&inode->i_lock); - } else { - spin_unlock(&inode->i_lock); - pipe = alloc_pipe_info(); - if (!pipe) - return -ENOMEM; -- pipe->files = 1; -+ atomic_set(&pipe->files, 1); - spin_lock(&inode->i_lock); - if (unlikely(inode->i_pipe)) { -- inode->i_pipe->files++; -+ atomic_inc(&inode->i_pipe->files); - spin_unlock(&inode->i_lock); - free_pipe_info(pipe); - pipe = inode->i_pipe; -@@ -864,10 +865,10 @@ static int fifo_open(struct inode *inode, struct file *filp) - * opened, even when there is no process writing the FIFO. - */ - pipe->r_counter++; -- if (pipe->readers++ == 0) -+ if (atomic_inc_return(&pipe->readers) == 1) - wake_up_partner(pipe); - -- if (!is_pipe && !pipe->writers) { -+ if (!is_pipe && !atomic_read(&pipe->writers)) { - if ((filp->f_flags & O_NONBLOCK)) { - /* suppress POLLHUP until we have - * seen a writer */ -@@ -886,14 +887,14 @@ static int fifo_open(struct inode *inode, struct file *filp) - * errno=ENXIO when there is no process reading the FIFO. - */ - ret = -ENXIO; -- if (!is_pipe && (filp->f_flags & O_NONBLOCK) && !pipe->readers) -+ if (!is_pipe && (filp->f_flags & O_NONBLOCK) && !atomic_read(&pipe->readers)) - goto err; - - pipe->w_counter++; -- if (!pipe->writers++) -+ if (atomic_inc_return(&pipe->writers) == 1) - wake_up_partner(pipe); - -- if (!is_pipe && !pipe->readers) { -+ if (!is_pipe && !atomic_read(&pipe->readers)) { - if (wait_for_partner(pipe, &pipe->r_counter)) - goto err_wr; - } -@@ -907,11 +908,11 @@ static int fifo_open(struct inode *inode, struct file *filp) - * the process can at least talk to itself. - */ - -- pipe->readers++; -- pipe->writers++; -+ atomic_inc(&pipe->readers); -+ atomic_inc(&pipe->writers); - pipe->r_counter++; - pipe->w_counter++; -- if (pipe->readers == 1 || pipe->writers == 1) -+ if (atomic_read(&pipe->readers) == 1 || atomic_read(&pipe->writers) == 1) - wake_up_partner(pipe); - break; - -@@ -925,13 +926,13 @@ static int fifo_open(struct inode *inode, struct file *filp) - return 0; - - err_rd: -- if (!--pipe->readers) -+ if (atomic_dec_and_test(&pipe->readers)) - wake_up_interruptible(&pipe->wait); - ret = -ERESTARTSYS; - goto err; - - err_wr: -- if (!--pipe->writers) -+ if (atomic_dec_and_test(&pipe->writers)) - wake_up_interruptible(&pipe->wait); - ret = -ERESTARTSYS; - goto err; -@@ -1007,7 +1008,7 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long nr_pages) - * Currently we rely on the pipe array holding a power-of-2 number - * of pages. - */ --static inline unsigned int round_pipe_size(unsigned int size) -+static inline unsigned long round_pipe_size(unsigned long size) - { - unsigned long nr_pages; - -@@ -1055,13 +1056,16 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg) - - switch (cmd) { - case F_SETPIPE_SZ: { -- unsigned int size, nr_pages; -+ unsigned long size, nr_pages; -+ -+ ret = -EINVAL; -+ if (arg < pipe_min_size) -+ goto out; - - size = round_pipe_size(arg); - nr_pages = size >> PAGE_SHIFT; - -- ret = -EINVAL; -- if (!nr_pages) -+ if (size < pipe_min_size) - goto out; - - if (!capable(CAP_SYS_RESOURCE) && size > pipe_max_size) { -diff --git a/fs/posix_acl.c b/fs/posix_acl.c -index 84bb65b8..4270e47 100644 ---- a/fs/posix_acl.c -+++ b/fs/posix_acl.c -@@ -20,6 +20,7 @@ - #include <linux/xattr.h> - #include <linux/export.h> - #include <linux/user_namespace.h> -+#include <linux/grsecurity.h> - - struct posix_acl **acl_by_type(struct inode *inode, int type) - { -@@ -277,7 +278,7 @@ posix_acl_equiv_mode(const struct posix_acl *acl, umode_t *mode_p) - } - } - if (mode_p) -- *mode_p = (*mode_p & ~S_IRWXUGO) | mode; -+ *mode_p = ((*mode_p & ~S_IRWXUGO) | mode) & ~gr_acl_umask(); - return not_equiv; - } - EXPORT_SYMBOL(posix_acl_equiv_mode); -@@ -427,7 +428,7 @@ static int posix_acl_create_masq(struct posix_acl *acl, umode_t *mode_p) - mode &= (group_obj->e_perm << 3) | ~S_IRWXG; - } - -- *mode_p = (*mode_p & ~S_IRWXUGO) | mode; -+ *mode_p = ((*mode_p & ~S_IRWXUGO) | mode) & ~gr_acl_umask(); - return not_equiv; - } - -@@ -485,6 +486,8 @@ __posix_acl_create(struct posix_acl **acl, gfp_t gfp, umode_t *mode_p) - struct posix_acl *clone = posix_acl_clone(*acl, gfp); - int err = -ENOMEM; - if (clone) { -+ *mode_p &= ~gr_acl_umask(); -+ - err = posix_acl_create_masq(clone, mode_p); - if (err < 0) { - posix_acl_release(clone); -@@ -663,11 +666,12 @@ struct posix_acl * - posix_acl_from_xattr(struct user_namespace *user_ns, - const void *value, size_t size) - { -- posix_acl_xattr_header *header = (posix_acl_xattr_header *)value; -- posix_acl_xattr_entry *entry = (posix_acl_xattr_entry *)(header+1), *end; -+ const posix_acl_xattr_header *header = (const posix_acl_xattr_header *)value; -+ const posix_acl_xattr_entry *entry = (const posix_acl_xattr_entry *)(header+1), *end; - int count; - struct posix_acl *acl; - struct posix_acl_entry *acl_e; -+ umode_t umask = gr_acl_umask(); - - if (!value) - return NULL; -@@ -693,12 +697,18 @@ posix_acl_from_xattr(struct user_namespace *user_ns, - - switch(acl_e->e_tag) { - case ACL_USER_OBJ: -+ acl_e->e_perm &= ~((umask & S_IRWXU) >> 6); -+ break; - case ACL_GROUP_OBJ: - case ACL_MASK: -+ acl_e->e_perm &= ~((umask & S_IRWXG) >> 3); -+ break; - case ACL_OTHER: -+ acl_e->e_perm &= ~(umask & S_IRWXO); - break; - - case ACL_USER: -+ acl_e->e_perm &= ~((umask & S_IRWXU) >> 6); - acl_e->e_uid = - make_kuid(user_ns, - le32_to_cpu(entry->e_id)); -@@ -706,6 +716,7 @@ posix_acl_from_xattr(struct user_namespace *user_ns, - goto fail; - break; - case ACL_GROUP: -+ acl_e->e_perm &= ~((umask & S_IRWXG) >> 3); - acl_e->e_gid = - make_kgid(user_ns, - le32_to_cpu(entry->e_id)); -diff --git a/fs/proc/Kconfig b/fs/proc/Kconfig -index 2183fcf..3c32a98 100644 ---- a/fs/proc/Kconfig -+++ b/fs/proc/Kconfig -@@ -30,7 +30,7 @@ config PROC_FS - - config PROC_KCORE - bool "/proc/kcore support" if !ARM -- depends on PROC_FS && MMU -+ depends on PROC_FS && MMU && !GRKERNSEC_PROC_ADD - help - Provides a virtual ELF core file of the live kernel. This can - be read with gdb and other ELF tools. No modifications can be -@@ -38,8 +38,8 @@ config PROC_KCORE - - config PROC_VMCORE - bool "/proc/vmcore support" -- depends on PROC_FS && CRASH_DUMP -- default y -+ depends on PROC_FS && CRASH_DUMP && !GRKERNSEC -+ default n - help - Exports the dump image of crashed kernel in ELF format. - -@@ -63,8 +63,8 @@ config PROC_SYSCTL - limited in memory. - - config PROC_PAGE_MONITOR -- default y -- depends on PROC_FS && MMU -+ default n -+ depends on PROC_FS && MMU && !GRKERNSEC - bool "Enable /proc page monitoring" if EXPERT - help - Various /proc files exist to monitor process memory utilization: -diff --git a/fs/proc/array.c b/fs/proc/array.c -index fd02a9e..7bc9dff 100644 ---- a/fs/proc/array.c -+++ b/fs/proc/array.c -@@ -60,6 +60,7 @@ - #include <linux/tty.h> - #include <linux/string.h> - #include <linux/mman.h> -+#include <linux/grsecurity.h> - #include <linux/proc_fs.h> - #include <linux/ioport.h> - #include <linux/uaccess.h> -@@ -340,6 +341,21 @@ static void task_cpus_allowed(struct seq_file *m, struct task_struct *task) - cpumask_pr_args(&task->cpus_allowed)); - } - -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+static inline void task_pax(struct seq_file *m, struct task_struct *p) -+{ -+ if (p->mm) -+ seq_printf(m, "PaX:\t%c%c%c%c%c\n", -+ p->mm->pax_flags & MF_PAX_PAGEEXEC ? 'P' : 'p', -+ p->mm->pax_flags & MF_PAX_EMUTRAMP ? 'E' : 'e', -+ p->mm->pax_flags & MF_PAX_MPROTECT ? 'M' : 'm', -+ p->mm->pax_flags & MF_PAX_RANDMMAP ? 'R' : 'r', -+ p->mm->pax_flags & MF_PAX_SEGMEXEC ? 'S' : 's'); -+ else -+ seq_printf(m, "PaX:\t-----\n"); -+} -+#endif -+ - int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task) - { -@@ -358,9 +374,24 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, - task_cpus_allowed(m, task); - cpuset_task_status_allowed(m, task); - task_context_switch_counts(m, task); -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ task_pax(m, task); -+#endif -+ -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+ task_grsec_rbac(m, task); -+#endif -+ - return 0; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \ -+ (_mm->pax_flags & MF_PAX_RANDMMAP || \ -+ _mm->pax_flags & MF_PAX_SEGMEXEC)) -+#endif -+ - static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task, int whole) - { -@@ -382,6 +413,13 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, - char tcomm[sizeof(task->comm)]; - unsigned long flags; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("stat"); -+ return 0; -+ } -+#endif -+ - state = *get_task_state(task); - vsize = eip = esp = 0; - permitted = ptrace_may_access(task, PTRACE_MODE_READ | PTRACE_MODE_NOAUDIT); -@@ -452,6 +490,19 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, - gtime = task_gtime(task); - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (PAX_RAND_FLAGS(mm)) { -+ eip = 0; -+ esp = 0; -+ wchan = 0; -+ } -+#endif -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ wchan = 0; -+ eip =0; -+ esp =0; -+#endif -+ - /* scale priority and nice values from timeslices to -20..20 */ - /* to make it look like a "normal" Unix priority/nice value */ - priority = task_prio(task); -@@ -483,9 +534,15 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, - seq_put_decimal_ull(m, ' ', vsize); - seq_put_decimal_ull(m, ' ', mm ? get_mm_rss(mm) : 0); - seq_put_decimal_ull(m, ' ', rsslim); -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->start_code : 1) : 0)); -+ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->end_code : 1) : 0)); -+ seq_put_decimal_ull(m, ' ', PAX_RAND_FLAGS(mm) ? 0 : ((permitted && mm) ? mm->start_stack : 0)); -+#else - seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->start_code : 1) : 0); - seq_put_decimal_ull(m, ' ', mm ? (permitted ? mm->end_code : 1) : 0); - seq_put_decimal_ull(m, ' ', (permitted && mm) ? mm->start_stack : 0); -+#endif - seq_put_decimal_ull(m, ' ', esp); - seq_put_decimal_ull(m, ' ', eip); - /* The signal information here is obsolete. -@@ -507,7 +564,11 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, - seq_put_decimal_ull(m, ' ', cputime_to_clock_t(gtime)); - seq_put_decimal_ll(m, ' ', cputime_to_clock_t(cgtime)); - -- if (mm && permitted) { -+ if (mm && permitted -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ && !PAX_RAND_FLAGS(mm) -+#endif -+ ) { - seq_put_decimal_ull(m, ' ', mm->start_data); - seq_put_decimal_ull(m, ' ', mm->end_data); - seq_put_decimal_ull(m, ' ', mm->start_brk); -@@ -545,8 +606,15 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task) - { - unsigned long size = 0, resident = 0, shared = 0, text = 0, data = 0; -- struct mm_struct *mm = get_task_mm(task); -+ struct mm_struct *mm; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("statm"); -+ return 0; -+ } -+#endif -+ mm = get_task_mm(task); - if (mm) { - size = task_statm(mm, &shared, &text, &data, &resident); - mmput(mm); -@@ -569,6 +637,20 @@ int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns, - return 0; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR -+int proc_pid_ipaddr(struct seq_file *m, struct pid_namespace *ns, struct pid *pid, struct task_struct *task) -+{ -+ unsigned long flags; -+ u32 curr_ip = 0; -+ -+ if (lock_task_sighand(task, &flags)) { -+ curr_ip = task->signal->curr_ip; -+ unlock_task_sighand(task, &flags); -+ } -+ return seq_printf(m, "%pI4\n", &curr_ip); -+} -+#endif -+ - #ifdef CONFIG_CHECKPOINT_RESTORE - static struct pid * - get_children_pid(struct inode *inode, struct pid *pid_prev, loff_t pos) -diff --git a/fs/proc/base.c b/fs/proc/base.c -index 093ca14..322f097 100644 ---- a/fs/proc/base.c -+++ b/fs/proc/base.c -@@ -113,6 +113,14 @@ struct pid_entry { - union proc_op op; - }; - -+struct getdents_callback { -+ struct linux_dirent __user * current_dir; -+ struct linux_dirent __user * previous; -+ struct file * file; -+ int count; -+ int error; -+}; -+ - #define NOD(NAME, MODE, IOP, FOP, OP) { \ - .name = (NAME), \ - .len = sizeof(NAME) - 1, \ -@@ -208,12 +216,28 @@ static int proc_pid_cmdline(struct seq_file *m, struct pid_namespace *ns, - return 0; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \ -+ (_mm->pax_flags & MF_PAX_RANDMMAP || \ -+ _mm->pax_flags & MF_PAX_SEGMEXEC)) -+#endif -+ - static int proc_pid_auxv(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task) - { - struct mm_struct *mm = mm_access(task, PTRACE_MODE_READ); - if (mm && !IS_ERR(mm)) { - unsigned int nwords = 0; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ /* allow if we're currently ptracing this task */ -+ if (PAX_RAND_FLAGS(mm) && -+ (!(task->ptrace & PT_PTRACED) || (task->parent != current))) { -+ mmput(mm); -+ return 0; -+ } -+#endif -+ - do { - nwords += 2; - } while (mm->saved_auxv[nwords - 2] != 0); /* AT_NULL */ -@@ -225,7 +249,7 @@ static int proc_pid_auxv(struct seq_file *m, struct pid_namespace *ns, - } - - --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - /* - * Provides a wchan file via kallsyms in a proper one-value-per-file format. - * Returns the resolved symbol. If that fails, simply return the address. -@@ -267,7 +291,7 @@ static void unlock_trace(struct task_struct *task) - mutex_unlock(&task->signal->cred_guard_mutex); - } - --#ifdef CONFIG_STACKTRACE -+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM) - - #define MAX_STACK_TRACE_DEPTH 64 - -@@ -462,7 +486,7 @@ static int proc_pid_limits(struct seq_file *m, struct pid_namespace *ns, - return 0; - } - --#ifdef CONFIG_HAVE_ARCH_TRACEHOOK -+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP) - static int proc_pid_syscall(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task) - { -@@ -495,7 +519,7 @@ static int proc_pid_syscall(struct seq_file *m, struct pid_namespace *ns, - /************************************************************************/ - - /* permission checks */ --static int proc_fd_access_allowed(struct inode *inode) -+static int proc_fd_access_allowed(struct inode *inode, unsigned int log) - { - struct task_struct *task; - int allowed = 0; -@@ -505,7 +529,10 @@ static int proc_fd_access_allowed(struct inode *inode) - */ - task = get_proc_task(inode); - if (task) { -- allowed = ptrace_may_access(task, PTRACE_MODE_READ); -+ if (log) -+ allowed = ptrace_may_access(task, PTRACE_MODE_READ); -+ else -+ allowed = ptrace_may_access(task, PTRACE_MODE_READ | PTRACE_MODE_NOAUDIT); - put_task_struct(task); - } - return allowed; -@@ -536,10 +563,35 @@ static bool has_pid_permissions(struct pid_namespace *pid, - struct task_struct *task, - int hide_pid_min) - { -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ return false; -+ -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ rcu_read_lock(); -+ { -+ const struct cred *tmpcred = current_cred(); -+ const struct cred *cred = __task_cred(task); -+ -+ if (uid_eq(tmpcred->uid, GLOBAL_ROOT_UID) || uid_eq(tmpcred->uid, cred->uid) -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ || in_group_p(grsec_proc_gid) -+#endif -+ ) { -+ rcu_read_unlock(); -+ return true; -+ } -+ } -+ rcu_read_unlock(); -+ -+ if (!pid->hide_pid) -+ return false; -+#endif -+ - if (pid->hide_pid < hide_pid_min) - return true; - if (in_group_p(pid->pid_gid)) - return true; -+ - return ptrace_may_access(task, PTRACE_MODE_READ); - } - -@@ -557,7 +609,11 @@ static int proc_pid_permission(struct inode *inode, int mask) - put_task_struct(task); - - if (!has_perms) { -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ { -+#else - if (pid->hide_pid == 2) { -+#endif - /* - * Let's make getdents(), stat(), and open() - * consistent with each other. If a process -@@ -618,6 +674,10 @@ struct mm_struct *proc_mem_open(struct inode *inode, unsigned int mode) - - if (task) { - mm = mm_access(task, mode); -+ if (!IS_ERR_OR_NULL(mm) && gr_acl_handle_procpidmem(task)) { -+ mmput(mm); -+ mm = ERR_PTR(-EPERM); -+ } - put_task_struct(task); - - if (!IS_ERR_OR_NULL(mm)) { -@@ -639,6 +699,11 @@ static int __mem_open(struct inode *inode, struct file *file, unsigned int mode) - return PTR_ERR(mm); - - file->private_data = mm; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ file->f_version = current->exec_id; -+#endif -+ - return 0; - } - -@@ -660,6 +725,17 @@ static ssize_t mem_rw(struct file *file, char __user *buf, - ssize_t copied; - char *page; - -+#ifdef CONFIG_GRKERNSEC -+ if (write) -+ return -EPERM; -+#endif -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (file->f_version != current->exec_id) { -+ gr_log_badprocpid("mem"); -+ return 0; -+ } -+#endif -+ - if (!mm) - return 0; - -@@ -672,7 +748,7 @@ static ssize_t mem_rw(struct file *file, char __user *buf, - goto free; - - while (count > 0) { -- int this_len = min_t(int, count, PAGE_SIZE); -+ ssize_t this_len = min_t(ssize_t, count, PAGE_SIZE); - - if (write && copy_from_user(page, buf, this_len)) { - copied = -EFAULT; -@@ -764,6 +840,13 @@ static ssize_t environ_read(struct file *file, char __user *buf, - if (!mm) - return 0; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (file->f_version != current->exec_id) { -+ gr_log_badprocpid("environ"); -+ return 0; -+ } -+#endif -+ - page = (char *)__get_free_page(GFP_TEMPORARY); - if (!page) - return -ENOMEM; -@@ -773,7 +856,7 @@ static ssize_t environ_read(struct file *file, char __user *buf, - goto free; - while (count > 0) { - size_t this_len, max_len; -- int retval; -+ ssize_t retval; - - if (src >= (mm->env_end - mm->env_start)) - break; -@@ -1387,7 +1470,7 @@ static void *proc_pid_follow_link(struct dentry *dentry, struct nameidata *nd) - int error = -EACCES; - - /* Are we allowed to snoop on the tasks file descriptors? */ -- if (!proc_fd_access_allowed(inode)) -+ if (!proc_fd_access_allowed(inode, 0)) - goto out; - - error = PROC_I(inode)->op.proc_get_link(dentry, &path); -@@ -1431,8 +1514,18 @@ static int proc_pid_readlink(struct dentry * dentry, char __user * buffer, int b - struct path path; - - /* Are we allowed to snoop on the tasks file descriptors? */ -- if (!proc_fd_access_allowed(inode)) -- goto out; -+ /* logging this is needed for learning on chromium to work properly, -+ but we don't want to flood the logs from 'ps' which does a readlink -+ on /proc/fd/2 of tasks in the listing, nor do we want 'ps' to learn -+ CAP_SYS_PTRACE as it's not necessary for its basic functionality -+ */ -+ if (dentry->d_name.name[0] == '2' && dentry->d_name.name[1] == '\0') { -+ if (!proc_fd_access_allowed(inode,0)) -+ goto out; -+ } else { -+ if (!proc_fd_access_allowed(inode,1)) -+ goto out; -+ } - - error = PROC_I(inode)->op.proc_get_link(dentry, &path); - if (error) -@@ -1482,7 +1575,11 @@ struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *t - rcu_read_lock(); - cred = __task_cred(task); - inode->i_uid = cred->euid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ inode->i_gid = grsec_proc_gid; -+#else - inode->i_gid = cred->egid; -+#endif - rcu_read_unlock(); - } - security_task_to_inode(task, inode); -@@ -1518,10 +1615,19 @@ int pid_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) - return -ENOENT; - } - if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) || -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) || -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) || -+#endif - task_dumpable(task)) { - cred = __task_cred(task); - stat->uid = cred->euid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ stat->gid = grsec_proc_gid; -+#else - stat->gid = cred->egid; -+#endif - } - } - rcu_read_unlock(); -@@ -1559,11 +1665,20 @@ int pid_revalidate(struct dentry *dentry, unsigned int flags) - - if (task) { - if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) || -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) || -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) || -+#endif - task_dumpable(task)) { - rcu_read_lock(); - cred = __task_cred(task); - inode->i_uid = cred->euid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ inode->i_gid = grsec_proc_gid; -+#else - inode->i_gid = cred->egid; -+#endif - rcu_read_unlock(); - } else { - inode->i_uid = GLOBAL_ROOT_UID; -@@ -2095,6 +2210,9 @@ static struct dentry *proc_pident_lookup(struct inode *dir, - if (!task) - goto out_no_task; - -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ goto out; -+ - /* - * Yes, it does not scale. And it should not. Don't add - * new entries into /proc/<tgid>/ without very good reasons. -@@ -2125,6 +2243,9 @@ static int proc_pident_readdir(struct file *file, struct dir_context *ctx, - if (!task) - return -ENOENT; - -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ goto out; -+ - if (!dir_emit_dots(file, ctx)) - goto out; - -@@ -2569,7 +2690,7 @@ static const struct pid_entry tgid_base_stuff[] = { - REG("autogroup", S_IRUGO|S_IWUSR, proc_pid_sched_autogroup_operations), - #endif - REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations), --#ifdef CONFIG_HAVE_ARCH_TRACEHOOK -+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP) - ONE("syscall", S_IRUSR, proc_pid_syscall), - #endif - ONE("cmdline", S_IRUGO, proc_pid_cmdline), -@@ -2594,10 +2715,10 @@ static const struct pid_entry tgid_base_stuff[] = { - #ifdef CONFIG_SECURITY - DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations), - #endif --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("wchan", S_IRUGO, proc_pid_wchan), - #endif --#ifdef CONFIG_STACKTRACE -+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("stack", S_IRUSR, proc_pid_stack), - #endif - #ifdef CONFIG_SCHEDSTATS -@@ -2631,6 +2752,9 @@ static const struct pid_entry tgid_base_stuff[] = { - #ifdef CONFIG_HARDWALL - ONE("hardwall", S_IRUGO, proc_pid_hardwall), - #endif -+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR -+ ONE("ipaddr", S_IRUSR, proc_pid_ipaddr), -+#endif - #ifdef CONFIG_USER_NS - REG("uid_map", S_IRUGO|S_IWUSR, proc_uid_map_operations), - REG("gid_map", S_IRUGO|S_IWUSR, proc_gid_map_operations), -@@ -2763,7 +2887,14 @@ static int proc_pid_instantiate(struct inode *dir, - if (!inode) - goto out; - -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ inode->i_mode = S_IFDIR|S_IRUSR|S_IXUSR; -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ inode->i_gid = grsec_proc_gid; -+ inode->i_mode = S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP; -+#else - inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO; -+#endif - inode->i_op = &proc_tgid_base_inode_operations; - inode->i_fop = &proc_tgid_base_operations; - inode->i_flags|=S_IMMUTABLE; -@@ -2801,7 +2932,11 @@ struct dentry *proc_pid_lookup(struct inode *dir, struct dentry * dentry, unsign - if (!task) - goto out; - -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ goto out_put_task; -+ - result = proc_pid_instantiate(dir, dentry, task, NULL); -+out_put_task: - put_task_struct(task); - out: - return ERR_PTR(result); -@@ -2915,7 +3050,7 @@ static const struct pid_entry tid_base_stuff[] = { - REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations), - #endif - REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations), --#ifdef CONFIG_HAVE_ARCH_TRACEHOOK -+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP) - ONE("syscall", S_IRUSR, proc_pid_syscall), - #endif - ONE("cmdline", S_IRUGO, proc_pid_cmdline), -@@ -2942,10 +3077,10 @@ static const struct pid_entry tid_base_stuff[] = { - #ifdef CONFIG_SECURITY - DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations), - #endif --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("wchan", S_IRUGO, proc_pid_wchan), - #endif --#ifdef CONFIG_STACKTRACE -+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("stack", S_IRUSR, proc_pid_stack), - #endif - #ifdef CONFIG_SCHEDSTATS -diff --git a/fs/proc/cmdline.c b/fs/proc/cmdline.c -index cbd82df..c0407d2 100644 ---- a/fs/proc/cmdline.c -+++ b/fs/proc/cmdline.c -@@ -23,7 +23,11 @@ static const struct file_operations cmdline_proc_fops = { - - static int __init proc_cmdline_init(void) - { -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ proc_create_grsec("cmdline", 0, NULL, &cmdline_proc_fops); -+#else - proc_create("cmdline", 0, NULL, &cmdline_proc_fops); -+#endif - return 0; - } - fs_initcall(proc_cmdline_init); -diff --git a/fs/proc/devices.c b/fs/proc/devices.c -index 50493ed..248166b 100644 ---- a/fs/proc/devices.c -+++ b/fs/proc/devices.c -@@ -64,7 +64,11 @@ static const struct file_operations proc_devinfo_operations = { - - static int __init proc_devices_init(void) - { -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ proc_create_grsec("devices", 0, NULL, &proc_devinfo_operations); -+#else - proc_create("devices", 0, NULL, &proc_devinfo_operations); -+#endif - return 0; - } - fs_initcall(proc_devices_init); -diff --git a/fs/proc/fd.c b/fs/proc/fd.c -index 6e5fcd0..06ea074 100644 ---- a/fs/proc/fd.c -+++ b/fs/proc/fd.c -@@ -27,7 +27,8 @@ static int seq_show(struct seq_file *m, void *v) - if (!task) - return -ENOENT; - -- files = get_files_struct(task); -+ if (!gr_acl_handle_procpidmem(task)) -+ files = get_files_struct(task); - put_task_struct(task); - - if (files) { -@@ -291,11 +292,21 @@ static struct dentry *proc_lookupfd(struct inode *dir, struct dentry *dentry, - */ - int proc_fd_permission(struct inode *inode, int mask) - { -+ struct task_struct *task; - int rv = generic_permission(inode, mask); -- if (rv == 0) -- return 0; -+ - if (task_tgid(current) == proc_pid(inode)) - rv = 0; -+ -+ task = get_proc_task(inode); -+ if (task == NULL) -+ return rv; -+ -+ if (gr_acl_handle_procpidmem(task)) -+ rv = -EACCES; -+ -+ put_task_struct(task); -+ - return rv; - } - -diff --git a/fs/proc/generic.c b/fs/proc/generic.c -index e5dee5c..dafe21b 100644 ---- a/fs/proc/generic.c -+++ b/fs/proc/generic.c -@@ -22,6 +22,7 @@ - #include <linux/bitops.h> - #include <linux/spinlock.h> - #include <linux/completion.h> -+#include <linux/grsecurity.h> - #include <asm/uaccess.h> - - #include "internal.h" -@@ -253,6 +254,15 @@ struct dentry *proc_lookup(struct inode *dir, struct dentry *dentry, - return proc_lookup_de(PDE(dir), dir, dentry); - } - -+struct dentry *proc_lookup_restrict(struct inode *dir, struct dentry *dentry, -+ unsigned int flags) -+{ -+ if (gr_proc_is_restricted()) -+ return ERR_PTR(-EACCES); -+ -+ return proc_lookup_de(PDE(dir), dir, dentry); -+} -+ - /* - * This returns non-zero if at EOF, so that the /proc - * root directory can use this and check if it should -@@ -310,6 +320,16 @@ int proc_readdir(struct file *file, struct dir_context *ctx) - return proc_readdir_de(PDE(inode), file, ctx); - } - -+int proc_readdir_restrict(struct file *file, struct dir_context *ctx) -+{ -+ struct inode *inode = file_inode(file); -+ -+ if (gr_proc_is_restricted()) -+ return -EACCES; -+ -+ return proc_readdir_de(PDE(inode), file, ctx); -+} -+ - /* - * These are the generic /proc directory operations. They - * use the in-memory "struct proc_dir_entry" tree to parse -@@ -321,6 +341,12 @@ static const struct file_operations proc_dir_operations = { - .iterate = proc_readdir, - }; - -+static const struct file_operations proc_dir_restricted_operations = { -+ .llseek = generic_file_llseek, -+ .read = generic_read_dir, -+ .iterate = proc_readdir_restrict, -+}; -+ - /* - * proc directories can do almost nothing.. - */ -@@ -330,6 +356,12 @@ static const struct inode_operations proc_dir_inode_operations = { - .setattr = proc_notify_change, - }; - -+static const struct inode_operations proc_dir_restricted_inode_operations = { -+ .lookup = proc_lookup_restrict, -+ .getattr = proc_getattr, -+ .setattr = proc_notify_change, -+}; -+ - static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp) - { - int ret; -@@ -445,6 +477,31 @@ struct proc_dir_entry *proc_mkdir_data(const char *name, umode_t mode, - } - EXPORT_SYMBOL_GPL(proc_mkdir_data); - -+struct proc_dir_entry *proc_mkdir_data_restrict(const char *name, umode_t mode, -+ struct proc_dir_entry *parent, void *data) -+{ -+ struct proc_dir_entry *ent; -+ -+ if (mode == 0) -+ mode = S_IRUGO | S_IXUGO; -+ -+ ent = __proc_create(&parent, name, S_IFDIR | mode, 2); -+ if (ent) { -+ ent->data = data; -+ ent->restricted = 1; -+ ent->proc_fops = &proc_dir_restricted_operations; -+ ent->proc_iops = &proc_dir_restricted_inode_operations; -+ parent->nlink++; -+ if (proc_register(parent, ent) < 0) { -+ kfree(ent); -+ parent->nlink--; -+ ent = NULL; -+ } -+ } -+ return ent; -+} -+EXPORT_SYMBOL_GPL(proc_mkdir_data_restrict); -+ - struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode, - struct proc_dir_entry *parent) - { -@@ -459,6 +516,13 @@ struct proc_dir_entry *proc_mkdir(const char *name, - } - EXPORT_SYMBOL(proc_mkdir); - -+struct proc_dir_entry *proc_mkdir_restrict(const char *name, -+ struct proc_dir_entry *parent) -+{ -+ return proc_mkdir_data_restrict(name, 0, parent, NULL); -+} -+EXPORT_SYMBOL(proc_mkdir_restrict); -+ - struct proc_dir_entry *proc_create_mount_point(const char *name) - { - umode_t mode = S_IFDIR | S_IRUGO | S_IXUGO; -diff --git a/fs/proc/inode.c b/fs/proc/inode.c -index e3eb552..bcb0f25 100644 ---- a/fs/proc/inode.c -+++ b/fs/proc/inode.c -@@ -24,11 +24,17 @@ - #include <linux/mount.h> - #include <linux/magic.h> - #include <linux/namei.h> -+#include <linux/grsecurity.h> - - #include <asm/uaccess.h> - - #include "internal.h" - -+#ifdef CONFIG_PROC_SYSCTL -+extern const struct inode_operations proc_sys_inode_operations; -+extern const struct inode_operations proc_sys_dir_operations; -+#endif -+ - static void proc_evict_inode(struct inode *inode) - { - struct proc_dir_entry *de; -@@ -49,6 +55,13 @@ static void proc_evict_inode(struct inode *inode) - RCU_INIT_POINTER(PROC_I(inode)->sysctl, NULL); - sysctl_head_put(head); - } -+ -+#ifdef CONFIG_PROC_SYSCTL -+ if (inode->i_op == &proc_sys_inode_operations || -+ inode->i_op == &proc_sys_dir_operations) -+ gr_handle_delete(inode->i_ino, inode->i_sb->s_dev); -+#endif -+ - } - - static struct kmem_cache * proc_inode_cachep; -@@ -430,7 +443,11 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de) - if (de->mode) { - inode->i_mode = de->mode; - inode->i_uid = de->uid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ inode->i_gid = grsec_proc_gid; -+#else - inode->i_gid = de->gid; -+#endif - } - if (de->size) - inode->i_size = de->size; -diff --git a/fs/proc/internal.h b/fs/proc/internal.h -index aa27810..9f2d3b2 100644 ---- a/fs/proc/internal.h -+++ b/fs/proc/internal.h -@@ -47,9 +47,10 @@ struct proc_dir_entry { - struct completion *pde_unload_completion; - struct list_head pde_openers; /* who did ->open, but not ->release */ - spinlock_t pde_unload_lock; /* proc_fops checks and pde_users bumps */ -+ u8 restricted; /* a directory in /proc/net that should be restricted via GRKERNSEC_PROC */ - u8 namelen; - char name[]; --}; -+} __randomize_layout; - - union proc_op { - int (*proc_get_link)(struct dentry *, struct path *); -@@ -67,7 +68,7 @@ struct proc_inode { - struct ctl_table *sysctl_entry; - const struct proc_ns_operations *ns_ops; - struct inode vfs_inode; --}; -+} __randomize_layout; - - /* - * General functions -@@ -155,6 +156,10 @@ extern int proc_pid_status(struct seq_file *, struct pid_namespace *, - struct pid *, struct task_struct *); - extern int proc_pid_statm(struct seq_file *, struct pid_namespace *, - struct pid *, struct task_struct *); -+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR -+extern int proc_pid_ipaddr(struct seq_file *, struct pid_namespace *, -+ struct pid *, struct task_struct *); -+#endif - - /* - * base.c -@@ -179,9 +184,11 @@ extern bool proc_fill_cache(struct file *, struct dir_context *, const char *, i - * generic.c - */ - extern struct dentry *proc_lookup(struct inode *, struct dentry *, unsigned int); -+extern struct dentry *proc_lookup_restrict(struct inode *, struct dentry *, unsigned int); - extern struct dentry *proc_lookup_de(struct proc_dir_entry *, struct inode *, - struct dentry *); - extern int proc_readdir(struct file *, struct dir_context *); -+extern int proc_readdir_restrict(struct file *, struct dir_context *); - extern int proc_readdir_de(struct proc_dir_entry *, struct file *, struct dir_context *); - - static inline struct proc_dir_entry *pde_get(struct proc_dir_entry *pde) -diff --git a/fs/proc/interrupts.c b/fs/proc/interrupts.c -index a352d57..cb94a5c 100644 ---- a/fs/proc/interrupts.c -+++ b/fs/proc/interrupts.c -@@ -47,7 +47,11 @@ static const struct file_operations proc_interrupts_operations = { - - static int __init proc_interrupts_init(void) - { -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ proc_create_grsec("interrupts", 0, NULL, &proc_interrupts_operations); -+#else - proc_create("interrupts", 0, NULL, &proc_interrupts_operations); -+#endif - return 0; - } - fs_initcall(proc_interrupts_init); -diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c -index 91a4e64..14bf8fa 100644 ---- a/fs/proc/kcore.c -+++ b/fs/proc/kcore.c -@@ -483,9 +483,10 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) - * the addresses in the elf_phdr on our list. - */ - start = kc_offset_to_vaddr(*fpos - elf_buflen); -- if ((tsz = (PAGE_SIZE - (start & ~PAGE_MASK))) > buflen) -+ tsz = PAGE_SIZE - (start & ~PAGE_MASK); -+ if (tsz > buflen) - tsz = buflen; -- -+ - while (buflen) { - struct kcore_list *m; - -@@ -515,19 +516,20 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) - } else { - if (kern_addr_valid(start)) { - unsigned long n; -+ char *elf_buf; -+ mm_segment_t oldfs; - -- n = copy_to_user(buffer, (char *)start, tsz); -- /* -- * We cannot distinguish between fault on source -- * and fault on destination. When this happens -- * we clear too and hope it will trigger the -- * EFAULT again. -- */ -- if (n) { -- if (clear_user(buffer + tsz - n, -- n)) -- return -EFAULT; -- } -+ elf_buf = kzalloc(tsz, GFP_KERNEL); -+ if (!elf_buf) -+ return -ENOMEM; -+ oldfs = get_fs(); -+ set_fs(KERNEL_DS); -+ n = __copy_from_user(elf_buf, (const void __user *)start, tsz); -+ set_fs(oldfs); -+ n = copy_to_user(buffer, elf_buf, tsz); -+ kfree(elf_buf); -+ if (n) -+ return -EFAULT; - } else { - if (clear_user(buffer, tsz)) - return -EFAULT; -@@ -547,6 +549,9 @@ read_kcore(struct file *file, char __user *buffer, size_t buflen, loff_t *fpos) - - static int open_kcore(struct inode *inode, struct file *filp) - { -+#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM) -+ return -EPERM; -+#endif - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; - if (kcore_need_update) -@@ -580,7 +585,7 @@ static int __meminit kcore_callback(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block kcore_callback_nb __meminitdata = { -+static struct notifier_block kcore_callback_nb __meminitconst = { - .notifier_call = kcore_callback, - .priority = 0, - }; -diff --git a/fs/proc/meminfo.c b/fs/proc/meminfo.c -index d3ebf2e..6ad42d1 100644 ---- a/fs/proc/meminfo.c -+++ b/fs/proc/meminfo.c -@@ -194,7 +194,7 @@ static int meminfo_proc_show(struct seq_file *m, void *v) - vmi.used >> 10, - vmi.largest_chunk >> 10 - #ifdef CONFIG_MEMORY_FAILURE -- , atomic_long_read(&num_poisoned_pages) << (PAGE_SHIFT - 10) -+ , atomic_long_read_unchecked(&num_poisoned_pages) << (PAGE_SHIFT - 10) - #endif - #ifdef CONFIG_TRANSPARENT_HUGEPAGE - , K(global_page_state(NR_ANON_TRANSPARENT_HUGEPAGES) * -diff --git a/fs/proc/nommu.c b/fs/proc/nommu.c -index d4a3574..b421ce9 100644 ---- a/fs/proc/nommu.c -+++ b/fs/proc/nommu.c -@@ -64,7 +64,7 @@ static int nommu_region_show(struct seq_file *m, struct vm_region *region) - - if (file) { - seq_pad(m, ' '); -- seq_path(m, &file->f_path, ""); -+ seq_path(m, &file->f_path, "\n\"); - } - - seq_putc(m, '\n'); -diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c -index 350984a..0fb02a9 100644 ---- a/fs/proc/proc_net.c -+++ b/fs/proc/proc_net.c -@@ -23,9 +23,27 @@ - #include <linux/nsproxy.h> - #include <net/net_namespace.h> - #include <linux/seq_file.h> -+#include <linux/grsecurity.h> - - #include "internal.h" - -+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -+static struct seq_operations *ipv6_seq_ops_addr; -+ -+void register_ipv6_seq_ops_addr(struct seq_operations *addr) -+{ -+ ipv6_seq_ops_addr = addr; -+} -+ -+void unregister_ipv6_seq_ops_addr(void) -+{ -+ ipv6_seq_ops_addr = NULL; -+} -+ -+EXPORT_SYMBOL_GPL(register_ipv6_seq_ops_addr); -+EXPORT_SYMBOL_GPL(unregister_ipv6_seq_ops_addr); -+#endif -+ - static inline struct net *PDE_NET(struct proc_dir_entry *pde) - { - return pde->parent->data; -@@ -36,6 +54,8 @@ static struct net *get_proc_net(const struct inode *inode) - return maybe_get_net(PDE_NET(PDE(inode))); - } - -+extern const struct seq_operations dev_seq_ops; -+ - int seq_open_net(struct inode *ino, struct file *f, - const struct seq_operations *ops, int size) - { -@@ -44,6 +64,14 @@ int seq_open_net(struct inode *ino, struct file *f, - - BUG_ON(size < sizeof(*p)); - -+ /* only permit access to /proc/net/dev */ -+ if ( -+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) -+ ops != ipv6_seq_ops_addr && -+#endif -+ ops != &dev_seq_ops && gr_proc_is_restricted()) -+ return -EACCES; -+ - net = get_proc_net(ino); - if (net == NULL) - return -ENXIO; -@@ -66,6 +94,9 @@ int single_open_net(struct inode *inode, struct file *file, - int err; - struct net *net; - -+ if (gr_proc_is_restricted()) -+ return -EACCES; -+ - err = -ENXIO; - net = get_proc_net(inode); - if (net == NULL) -diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c -index fdda62e..cd7c75f 100644 ---- a/fs/proc/proc_sysctl.c -+++ b/fs/proc/proc_sysctl.c -@@ -11,13 +11,21 @@ - #include <linux/namei.h> - #include <linux/mm.h> - #include <linux/module.h> -+#include <linux/nsproxy.h> -+#ifdef CONFIG_GRKERNSEC -+#include <net/net_namespace.h> -+#endif - #include "internal.h" - -+extern int gr_handle_chroot_sysctl(const int op); -+extern int gr_handle_sysctl_mod(const char *dirname, const char *name, -+ const int op); -+ - static const struct dentry_operations proc_sys_dentry_operations; - static const struct file_operations proc_sys_file_operations; --static const struct inode_operations proc_sys_inode_operations; -+const struct inode_operations proc_sys_inode_operations; - static const struct file_operations proc_sys_dir_file_operations; --static const struct inode_operations proc_sys_dir_operations; -+const struct inode_operations proc_sys_dir_operations; - - /* Support for permanently empty directories */ - -@@ -32,13 +40,17 @@ static bool is_empty_dir(struct ctl_table_header *head) - - static void set_empty_dir(struct ctl_dir *dir) - { -- dir->header.ctl_table[0].child = sysctl_mount_point; -+ pax_open_kernel(); -+ *(const void **)&dir->header.ctl_table[0].child = sysctl_mount_point; -+ pax_close_kernel(); - } - - static void clear_empty_dir(struct ctl_dir *dir) - - { -- dir->header.ctl_table[0].child = NULL; -+ pax_open_kernel(); -+ *(void **)&dir->header.ctl_table[0].child = NULL; -+ pax_close_kernel(); - } - - void proc_sys_poll_notify(struct ctl_table_poll *poll) -@@ -504,6 +516,9 @@ static struct dentry *proc_sys_lookup(struct inode *dir, struct dentry *dentry, - - err = NULL; - d_set_d_op(dentry, &proc_sys_dentry_operations); -+ -+ gr_handle_proc_create(dentry, inode); -+ - d_add(dentry, inode); - - out: -@@ -519,6 +534,7 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf, - struct inode *inode = file_inode(filp); - struct ctl_table_header *head = grab_header(inode); - struct ctl_table *table = PROC_I(inode)->sysctl_entry; -+ int op = write ? MAY_WRITE : MAY_READ; - ssize_t error; - size_t res; - -@@ -530,7 +546,7 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf, - * and won't be until we finish. - */ - error = -EPERM; -- if (sysctl_perm(head, table, write ? MAY_WRITE : MAY_READ)) -+ if (sysctl_perm(head, table, op)) - goto out; - - /* if that can happen at all, it should be -EINVAL, not -EISDIR */ -@@ -538,6 +554,27 @@ static ssize_t proc_sys_call_handler(struct file *filp, void __user *buf, - if (!table->proc_handler) - goto out; - -+#ifdef CONFIG_GRKERNSEC -+ error = -EPERM; -+ if (gr_handle_chroot_sysctl(op)) -+ goto out; -+ dget(filp->f_path.dentry); -+ if (gr_handle_sysctl_mod(filp->f_path.dentry->d_parent->d_name.name, table->procname, op)) { -+ dput(filp->f_path.dentry); -+ goto out; -+ } -+ dput(filp->f_path.dentry); -+ if (!gr_acl_handle_open(filp->f_path.dentry, filp->f_path.mnt, op)) -+ goto out; -+ if (write) { -+ if (current->nsproxy->net_ns != table->extra2) { -+ if (!capable(CAP_SYS_ADMIN)) -+ goto out; -+ } else if (!ns_capable(current->nsproxy->net_ns->user_ns, CAP_NET_ADMIN)) -+ goto out; -+ } -+#endif -+ - /* careful: calling conventions are nasty here */ - res = count; - error = table->proc_handler(table, write, buf, &res, ppos); -@@ -635,6 +672,9 @@ static bool proc_sys_fill_cache(struct file *file, - return false; - } else { - d_set_d_op(child, &proc_sys_dentry_operations); -+ -+ gr_handle_proc_create(child, inode); -+ - d_add(child, inode); - } - } else { -@@ -678,6 +718,9 @@ static int scan(struct ctl_table_header *head, struct ctl_table *table, - if ((*pos)++ < ctx->pos) - return true; - -+ if (!gr_acl_handle_hidden_file(file->f_path.dentry, file->f_path.mnt)) -+ return 0; -+ - if (unlikely(S_ISLNK(table->mode))) - res = proc_sys_link_fill_cache(file, ctx, head, table); - else -@@ -771,6 +814,9 @@ static int proc_sys_getattr(struct vfsmount *mnt, struct dentry *dentry, struct - if (IS_ERR(head)) - return PTR_ERR(head); - -+ if (table && !gr_acl_handle_hidden_file(dentry, mnt)) -+ return -ENOENT; -+ - generic_fillattr(inode, stat); - if (table) - stat->mode = (stat->mode & S_IFMT) | table->mode; -@@ -793,13 +839,13 @@ static const struct file_operations proc_sys_dir_file_operations = { - .llseek = generic_file_llseek, - }; - --static const struct inode_operations proc_sys_inode_operations = { -+const struct inode_operations proc_sys_inode_operations = { - .permission = proc_sys_permission, - .setattr = proc_sys_setattr, - .getattr = proc_sys_getattr, - }; - --static const struct inode_operations proc_sys_dir_operations = { -+const struct inode_operations proc_sys_dir_operations = { - .lookup = proc_sys_lookup, - .permission = proc_sys_permission, - .setattr = proc_sys_setattr, -@@ -876,7 +922,7 @@ static struct ctl_dir *find_subdir(struct ctl_dir *dir, - static struct ctl_dir *new_dir(struct ctl_table_set *set, - const char *name, int namelen) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - struct ctl_dir *new; - struct ctl_node *node; - char *new_name; -@@ -888,7 +934,7 @@ static struct ctl_dir *new_dir(struct ctl_table_set *set, - return NULL; - - node = (struct ctl_node *)(new + 1); -- table = (struct ctl_table *)(node + 1); -+ table = (ctl_table_no_const *)(node + 1); - new_name = (char *)(table + 2); - memcpy(new_name, name, namelen); - new_name[namelen] = '\0'; -@@ -1057,7 +1103,8 @@ static int sysctl_check_table(const char *path, struct ctl_table *table) - static struct ctl_table_header *new_links(struct ctl_dir *dir, struct ctl_table *table, - struct ctl_table_root *link_root) - { -- struct ctl_table *link_table, *entry, *link; -+ ctl_table_no_const *link_table, *link; -+ struct ctl_table *entry; - struct ctl_table_header *links; - struct ctl_node *node; - char *link_name; -@@ -1080,7 +1127,7 @@ static struct ctl_table_header *new_links(struct ctl_dir *dir, struct ctl_table - return NULL; - - node = (struct ctl_node *)(links + 1); -- link_table = (struct ctl_table *)(node + nr_entries); -+ link_table = (ctl_table_no_const *)(node + nr_entries); - link_name = (char *)&link_table[nr_entries + 1]; - - for (link = link_table, entry = table; entry->procname; link++, entry++) { -@@ -1328,8 +1375,8 @@ static int register_leaf_sysctl_tables(const char *path, char *pos, - struct ctl_table_header ***subheader, struct ctl_table_set *set, - struct ctl_table *table) - { -- struct ctl_table *ctl_table_arg = NULL; -- struct ctl_table *entry, *files; -+ ctl_table_no_const *ctl_table_arg = NULL, *files = NULL; -+ struct ctl_table *entry; - int nr_files = 0; - int nr_dirs = 0; - int err = -ENOMEM; -@@ -1341,10 +1388,9 @@ static int register_leaf_sysctl_tables(const char *path, char *pos, - nr_files++; - } - -- files = table; - /* If there are mixed files and directories we need a new table */ - if (nr_dirs && nr_files) { -- struct ctl_table *new; -+ ctl_table_no_const *new; - files = kzalloc(sizeof(struct ctl_table) * (nr_files + 1), - GFP_KERNEL); - if (!files) -@@ -1362,7 +1408,7 @@ static int register_leaf_sysctl_tables(const char *path, char *pos, - /* Register everything except a directory full of subdirectories */ - if (nr_files || !nr_dirs) { - struct ctl_table_header *header; -- header = __register_sysctl_table(set, path, files); -+ header = __register_sysctl_table(set, path, files ? files : table); - if (!header) { - kfree(ctl_table_arg); - goto out; -diff --git a/fs/proc/root.c b/fs/proc/root.c -index 68feb0f..2c04780 100644 ---- a/fs/proc/root.c -+++ b/fs/proc/root.c -@@ -185,7 +185,15 @@ void __init proc_root_init(void) - proc_create_mount_point("openprom"); - #endif - proc_tty_init(); -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_mkdir_mode("bus", S_IRUSR | S_IXUSR, NULL); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_mkdir_mode("bus", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL); -+#endif -+#else - proc_mkdir("bus", NULL); -+#endif - proc_sys_init(); - } - -diff --git a/fs/proc/stat.c b/fs/proc/stat.c -index 510413eb..34d9a8c 100644 ---- a/fs/proc/stat.c -+++ b/fs/proc/stat.c -@@ -11,6 +11,7 @@ - #include <linux/irqnr.h> - #include <linux/cputime.h> - #include <linux/tick.h> -+#include <linux/grsecurity.h> - - #ifndef arch_irq_stat_cpu - #define arch_irq_stat_cpu(cpu) 0 -@@ -87,6 +88,18 @@ static int show_stat(struct seq_file *p, void *v) - u64 sum_softirq = 0; - unsigned int per_softirq_sums[NR_SOFTIRQS] = {0}; - struct timespec boottime; -+ int unrestricted = 1; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (!uid_eq(current_uid(), GLOBAL_ROOT_UID) -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ && !in_group_p(grsec_proc_gid) -+#endif -+ ) -+ unrestricted = 0; -+#endif -+#endif - - user = nice = system = idle = iowait = - irq = softirq = steal = 0; -@@ -99,23 +112,25 @@ static int show_stat(struct seq_file *p, void *v) - nice += kcpustat_cpu(i).cpustat[CPUTIME_NICE]; - system += kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM]; - idle += get_idle_time(i); -- iowait += get_iowait_time(i); -- irq += kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; -- softirq += kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]; -- steal += kcpustat_cpu(i).cpustat[CPUTIME_STEAL]; -- guest += kcpustat_cpu(i).cpustat[CPUTIME_GUEST]; -- guest_nice += kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE]; -- sum += kstat_cpu_irqs_sum(i); -- sum += arch_irq_stat_cpu(i); -+ if (unrestricted) { -+ iowait += get_iowait_time(i); -+ irq += kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; -+ softirq += kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]; -+ steal += kcpustat_cpu(i).cpustat[CPUTIME_STEAL]; -+ guest += kcpustat_cpu(i).cpustat[CPUTIME_GUEST]; -+ guest_nice += kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE]; -+ sum += kstat_cpu_irqs_sum(i); -+ sum += arch_irq_stat_cpu(i); -+ for (j = 0; j < NR_SOFTIRQS; j++) { -+ unsigned int softirq_stat = kstat_softirqs_cpu(j, i); - -- for (j = 0; j < NR_SOFTIRQS; j++) { -- unsigned int softirq_stat = kstat_softirqs_cpu(j, i); -- -- per_softirq_sums[j] += softirq_stat; -- sum_softirq += softirq_stat; -+ per_softirq_sums[j] += softirq_stat; -+ sum_softirq += softirq_stat; -+ } - } - } -- sum += arch_irq_stat(); -+ if (unrestricted) -+ sum += arch_irq_stat(); - - seq_puts(p, "cpu "); - seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user)); -@@ -136,12 +151,14 @@ static int show_stat(struct seq_file *p, void *v) - nice = kcpustat_cpu(i).cpustat[CPUTIME_NICE]; - system = kcpustat_cpu(i).cpustat[CPUTIME_SYSTEM]; - idle = get_idle_time(i); -- iowait = get_iowait_time(i); -- irq = kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; -- softirq = kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]; -- steal = kcpustat_cpu(i).cpustat[CPUTIME_STEAL]; -- guest = kcpustat_cpu(i).cpustat[CPUTIME_GUEST]; -- guest_nice = kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE]; -+ if (unrestricted) { -+ iowait = get_iowait_time(i); -+ irq = kcpustat_cpu(i).cpustat[CPUTIME_IRQ]; -+ softirq = kcpustat_cpu(i).cpustat[CPUTIME_SOFTIRQ]; -+ steal = kcpustat_cpu(i).cpustat[CPUTIME_STEAL]; -+ guest = kcpustat_cpu(i).cpustat[CPUTIME_GUEST]; -+ guest_nice = kcpustat_cpu(i).cpustat[CPUTIME_GUEST_NICE]; -+ } - seq_printf(p, "cpu%d", i); - seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(user)); - seq_put_decimal_ull(p, ' ', cputime64_to_clock_t(nice)); -@@ -159,7 +176,7 @@ static int show_stat(struct seq_file *p, void *v) - - /* sum again ? it could be updated? */ - for_each_irq_nr(j) -- seq_put_decimal_ull(p, ' ', kstat_irqs_usr(j)); -+ seq_put_decimal_ull(p, ' ', unrestricted ? kstat_irqs_usr(j) : 0ULL); - - seq_printf(p, - "\nctxt %llu\n" -@@ -167,11 +184,11 @@ static int show_stat(struct seq_file *p, void *v) - "processes %lu\n" - "procs_running %lu\n" - "procs_blocked %lu\n", -- nr_context_switches(), -+ unrestricted ? nr_context_switches() : 0ULL, - (unsigned long)jif, -- total_forks, -- nr_running(), -- nr_iowait()); -+ unrestricted ? total_forks : 0UL, -+ unrestricted ? nr_running() : 0UL, -+ unrestricted ? nr_iowait() : 0UL); - - seq_printf(p, "softirq %llu", (unsigned long long)sum_softirq); - -diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c -index 6dee68d..1b4add0 100644 ---- a/fs/proc/task_mmu.c -+++ b/fs/proc/task_mmu.c -@@ -13,12 +13,19 @@ - #include <linux/swap.h> - #include <linux/swapops.h> - #include <linux/mmu_notifier.h> -+#include <linux/grsecurity.h> - - #include <asm/elf.h> - #include <asm/uaccess.h> - #include <asm/tlbflush.h> - #include "internal.h" - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \ -+ (_mm->pax_flags & MF_PAX_RANDMMAP || \ -+ _mm->pax_flags & MF_PAX_SEGMEXEC)) -+#endif -+ - void task_mem(struct seq_file *m, struct mm_struct *mm) - { - unsigned long data, text, lib, swap, ptes, pmds; -@@ -57,8 +64,13 @@ void task_mem(struct seq_file *m, struct mm_struct *mm) - "VmLib:\t%8lu kB\n" - "VmPTE:\t%8lu kB\n" - "VmPMD:\t%8lu kB\n" -- "VmSwap:\t%8lu kB\n", -- hiwater_vm << (PAGE_SHIFT-10), -+ "VmSwap:\t%8lu kB\n" -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+ "CsBase:\t%8lx\nCsLim:\t%8lx\n" -+#endif -+ -+ ,hiwater_vm << (PAGE_SHIFT-10), - total_vm << (PAGE_SHIFT-10), - mm->locked_vm << (PAGE_SHIFT-10), - mm->pinned_vm << (PAGE_SHIFT-10), -@@ -68,7 +80,19 @@ void task_mem(struct seq_file *m, struct mm_struct *mm) - mm->stack_vm << (PAGE_SHIFT-10), text, lib, - ptes >> 10, - pmds >> 10, -- swap << (PAGE_SHIFT-10)); -+ swap << (PAGE_SHIFT-10) -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ , PAX_RAND_FLAGS(mm) ? 0 : mm->context.user_cs_base -+ , PAX_RAND_FLAGS(mm) ? 0 : mm->context.user_cs_limit -+#else -+ , mm->context.user_cs_base -+ , mm->context.user_cs_limit -+#endif -+#endif -+ -+ ); - } - - unsigned long task_vsize(struct mm_struct *mm) -@@ -285,13 +309,13 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) - pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT; - } - -- /* We don't show the stack guard page in /proc/maps */ -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ start = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_start; -+ end = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_end; -+#else - start = vma->vm_start; -- if (stack_guard_page_start(vma, start)) -- start += PAGE_SIZE; - end = vma->vm_end; -- if (stack_guard_page_end(vma, end)) -- end -= PAGE_SIZE; -+#endif - - seq_setwidth(m, 25 + sizeof(void *) * 6 - 1); - seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu ", -@@ -301,7 +325,11 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) - flags & VM_WRITE ? 'w' : '-', - flags & VM_EXEC ? 'x' : '-', - flags & VM_MAYSHARE ? 's' : 'p', -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ PAX_RAND_FLAGS(mm) ? 0UL : pgoff, -+#else - pgoff, -+#endif - MAJOR(dev), MINOR(dev), ino); - - /* -@@ -310,7 +338,7 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) - */ - if (file) { - seq_pad(m, ' '); -- seq_path(m, &file->f_path, "\n"); -+ seq_path(m, &file->f_path, "\n\"); - goto done; - } - -@@ -341,8 +369,9 @@ show_map_vma(struct seq_file *m, struct vm_area_struct *vma, int is_pid) - * Thread stack in /proc/PID/task/TID/maps or - * the main process stack. - */ -- if (!is_pid || (vma->vm_start <= mm->start_stack && -- vma->vm_end >= mm->start_stack)) { -+ if (!is_pid || (vma->vm_flags & (VM_GROWSDOWN | VM_GROWSUP)) || -+ (vma->vm_start <= mm->start_stack && -+ vma->vm_end >= mm->start_stack)) { - name = "[stack]"; - } else { - /* Thread stack in /proc/PID/maps */ -@@ -362,6 +391,12 @@ done: - - static int show_map(struct seq_file *m, void *v, int is_pid) - { -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("maps"); -+ return 0; -+ } -+#endif - show_map_vma(m, v, is_pid); - m_cache_vma(m, v); - return 0; -@@ -620,9 +655,18 @@ static int show_smap(struct seq_file *m, void *v, int is_pid) - .private = &mss, - }; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("smaps"); -+ return 0; -+ } -+#endif - memset(&mss, 0, sizeof mss); -- /* mmap_sem is held in m_start */ -- walk_page_vma(vma, &smaps_walk); -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (!PAX_RAND_FLAGS(vma->vm_mm)) -+#endif -+ /* mmap_sem is held in m_start */ -+ walk_page_vma(vma, &smaps_walk); - - show_map_vma(m, vma, is_pid); - -@@ -641,7 +685,11 @@ static int show_smap(struct seq_file *m, void *v, int is_pid) - "KernelPageSize: %8lu kB\n" - "MMUPageSize: %8lu kB\n" - "Locked: %8lu kB\n", -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ PAX_RAND_FLAGS(vma->vm_mm) ? 0UL : (vma->vm_end - vma->vm_start) >> 10, -+#else - (vma->vm_end - vma->vm_start) >> 10, -+#endif - mss.resident >> 10, - (unsigned long)(mss.pss >> (10 + PSS_SHIFT)), - mss.shared_clean >> 10, -@@ -1491,6 +1539,13 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid) - char buffer[64]; - int nid; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (current->exec_id != m->exec_id) { -+ gr_log_badprocpid("numa_maps"); -+ return 0; -+ } -+#endif -+ - if (!mm) - return 0; - -@@ -1505,11 +1560,15 @@ static int show_numa_map(struct seq_file *m, void *v, int is_pid) - mpol_to_str(buffer, sizeof(buffer), proc_priv->task_mempolicy); - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ seq_printf(m, "%08lx %s", PAX_RAND_FLAGS(vma->vm_mm) ? 0UL : vma->vm_start, buffer); -+#else - seq_printf(m, "%08lx %s", vma->vm_start, buffer); -+#endif - - if (file) { - seq_puts(m, " file="); -- seq_path(m, &file->f_path, "\n\t= "); -+ seq_path(m, &file->f_path, "\n\t\= "); - } else if (vma->vm_start <= mm->brk && vma->vm_end >= mm->start_brk) { - seq_puts(m, " heap"); - } else { -diff --git a/fs/proc/task_nommu.c b/fs/proc/task_nommu.c -index 599ec2e..f1413ae 100644 ---- a/fs/proc/task_nommu.c -+++ b/fs/proc/task_nommu.c -@@ -51,7 +51,7 @@ void task_mem(struct seq_file *m, struct mm_struct *mm) - else - bytes += kobjsize(mm); - -- if (current->fs && current->fs->users > 1) -+ if (current->fs && atomic_read(&current->fs->users) > 1) - sbytes += kobjsize(current->fs); - else - bytes += kobjsize(current->fs); -@@ -180,7 +180,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma, - - if (file) { - seq_pad(m, ' '); -- seq_path(m, &file->f_path, ""); -+ seq_path(m, &file->f_path, "\n\"); - } else if (mm) { - pid_t tid = pid_of_stack(priv, vma, is_pid); - -diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c -index 4e61388..1a2523d 100644 ---- a/fs/proc/vmcore.c -+++ b/fs/proc/vmcore.c -@@ -105,9 +105,13 @@ static ssize_t read_from_oldmem(char *buf, size_t count, - nr_bytes = count; - - /* If pfn is not ram, return zeros for sparse dump files */ -- if (pfn_is_ram(pfn) == 0) -- memset(buf, 0, nr_bytes); -- else { -+ if (pfn_is_ram(pfn) == 0) { -+ if (userbuf) { -+ if (clear_user((char __force_user *)buf, nr_bytes)) -+ return -EFAULT; -+ } else -+ memset(buf, 0, nr_bytes); -+ } else { - tmp = copy_oldmem_page(pfn, buf, nr_bytes, - offset, userbuf); - if (tmp < 0) -@@ -170,7 +174,7 @@ int __weak remap_oldmem_pfn_range(struct vm_area_struct *vma, - static int copy_to(void *target, void *src, size_t size, int userbuf) - { - if (userbuf) { -- if (copy_to_user((char __user *) target, src, size)) -+ if (copy_to_user((char __force_user *) target, src, size)) - return -EFAULT; - } else { - memcpy(target, src, size); -@@ -233,7 +237,7 @@ static ssize_t __read_vmcore(char *buffer, size_t buflen, loff_t *fpos, - if (*fpos < m->offset + m->size) { - tsz = min_t(size_t, m->offset + m->size - *fpos, buflen); - start = m->paddr + *fpos - m->offset; -- tmp = read_from_oldmem(buffer, tsz, &start, userbuf); -+ tmp = read_from_oldmem((char __force_kernel *)buffer, tsz, &start, userbuf); - if (tmp < 0) - return tmp; - buflen -= tsz; -@@ -253,7 +257,7 @@ static ssize_t __read_vmcore(char *buffer, size_t buflen, loff_t *fpos, - static ssize_t read_vmcore(struct file *file, char __user *buffer, - size_t buflen, loff_t *fpos) - { -- return __read_vmcore((__force char *) buffer, buflen, fpos, 1); -+ return __read_vmcore((__force_kernel char *) buffer, buflen, fpos, 1); - } - - /* -diff --git a/fs/qnx6/qnx6.h b/fs/qnx6/qnx6.h -index d3fb2b6..43a8140 100644 ---- a/fs/qnx6/qnx6.h -+++ b/fs/qnx6/qnx6.h -@@ -74,7 +74,7 @@ enum { - BYTESEX_BE, - }; - --static inline __u64 fs64_to_cpu(struct qnx6_sb_info *sbi, __fs64 n) -+static inline __u64 __intentional_overflow(-1) fs64_to_cpu(struct qnx6_sb_info *sbi, __fs64 n) - { - if (sbi->s_bytesex == BYTESEX_LE) - return le64_to_cpu((__force __le64)n); -@@ -90,7 +90,7 @@ static inline __fs64 cpu_to_fs64(struct qnx6_sb_info *sbi, __u64 n) - return (__force __fs64)cpu_to_be64(n); - } - --static inline __u32 fs32_to_cpu(struct qnx6_sb_info *sbi, __fs32 n) -+static inline __u32 __intentional_overflow(-1) fs32_to_cpu(struct qnx6_sb_info *sbi, __fs32 n) - { - if (sbi->s_bytesex == BYTESEX_LE) - return le32_to_cpu((__force __le32)n); -diff --git a/fs/quota/netlink.c b/fs/quota/netlink.c -index bb2869f..d34ada8 100644 ---- a/fs/quota/netlink.c -+++ b/fs/quota/netlink.c -@@ -44,7 +44,7 @@ static struct genl_family quota_genl_family = { - void quota_send_warning(struct kqid qid, dev_t dev, - const char warntype) - { -- static atomic_t seq; -+ static atomic_unchecked_t seq; - struct sk_buff *skb; - void *msg_head; - int ret; -@@ -60,7 +60,7 @@ void quota_send_warning(struct kqid qid, dev_t dev, - "VFS: Not enough memory to send quota warning.\n"); - return; - } -- msg_head = genlmsg_put(skb, 0, atomic_add_return(1, &seq), -+ msg_head = genlmsg_put(skb, 0, atomic_add_return_unchecked(1, &seq), - &quota_genl_family, 0, QUOTA_NL_C_WARNING); - if (!msg_head) { - printk(KERN_ERR -diff --git a/fs/read_write.c b/fs/read_write.c -index 819ef3f..f07222d 100644 ---- a/fs/read_write.c -+++ b/fs/read_write.c -@@ -505,7 +505,7 @@ ssize_t __kernel_write(struct file *file, const char *buf, size_t count, loff_t - - old_fs = get_fs(); - set_fs(get_ds()); -- p = (__force const char __user *)buf; -+ p = (const char __force_user *)buf; - if (count > MAX_RW_COUNT) - count = MAX_RW_COUNT; - ret = __vfs_write(file, p, count, pos); -diff --git a/fs/readdir.c b/fs/readdir.c -index ced6791..936687b 100644 ---- a/fs/readdir.c -+++ b/fs/readdir.c -@@ -18,6 +18,7 @@ - #include <linux/security.h> - #include <linux/syscalls.h> - #include <linux/unistd.h> -+#include <linux/namei.h> - - #include <asm/uaccess.h> - -@@ -71,6 +72,7 @@ struct old_linux_dirent { - struct readdir_callback { - struct dir_context ctx; - struct old_linux_dirent __user * dirent; -+ struct file * file; - int result; - }; - -@@ -89,6 +91,10 @@ static int fillonedir(struct dir_context *ctx, const char *name, int namlen, - buf->result = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - buf->result++; - dirent = buf->dirent; - if (!access_ok(VERIFY_WRITE, dirent, -@@ -120,6 +126,7 @@ SYSCALL_DEFINE3(old_readdir, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (buf.result) - error = buf.result; -@@ -145,6 +152,7 @@ struct getdents_callback { - struct dir_context ctx; - struct linux_dirent __user * current_dir; - struct linux_dirent __user * previous; -+ struct file * file; - int count; - int error; - }; -@@ -167,6 +175,10 @@ static int filldir(struct dir_context *ctx, const char *name, int namlen, - buf->error = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - if (dirent) { - if (__put_user(offset, &dirent->d_off)) -@@ -212,6 +224,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (error >= 0) - error = buf.error; -@@ -230,6 +243,7 @@ struct getdents_callback64 { - struct dir_context ctx; - struct linux_dirent64 __user * current_dir; - struct linux_dirent64 __user * previous; -+ struct file *file; - int count; - int error; - }; -@@ -246,6 +260,10 @@ static int filldir64(struct dir_context *ctx, const char *name, int namlen, - buf->error = -EINVAL; /* only used if we fail.. */ - if (reclen > buf->count) - return -EINVAL; -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - if (dirent) { - if (__put_user(offset, &dirent->d_off)) -@@ -293,6 +311,7 @@ SYSCALL_DEFINE3(getdents64, unsigned int, fd, - if (!f.file) - return -EBADF; - -+ buf.file = f.file; - error = iterate_dir(f.file, &buf.ctx); - if (error >= 0) - error = buf.error; -diff --git a/fs/reiserfs/do_balan.c b/fs/reiserfs/do_balan.c -index 9c02d96..6562c10 100644 ---- a/fs/reiserfs/do_balan.c -+++ b/fs/reiserfs/do_balan.c -@@ -1887,7 +1887,7 @@ void do_balance(struct tree_balance *tb, struct item_head *ih, - return; - } - -- atomic_inc(&fs_generation(tb->tb_sb)); -+ atomic_inc_unchecked(&fs_generation(tb->tb_sb)); - do_balance_starts(tb); - - /* -diff --git a/fs/reiserfs/item_ops.c b/fs/reiserfs/item_ops.c -index aca73dd..e3c558d 100644 ---- a/fs/reiserfs/item_ops.c -+++ b/fs/reiserfs/item_ops.c -@@ -724,18 +724,18 @@ static void errcatch_print_vi(struct virtual_item *vi) - } - - static struct item_operations errcatch_ops = { -- errcatch_bytes_number, -- errcatch_decrement_key, -- errcatch_is_left_mergeable, -- errcatch_print_item, -- errcatch_check_item, -+ .bytes_number = errcatch_bytes_number, -+ .decrement_key = errcatch_decrement_key, -+ .is_left_mergeable = errcatch_is_left_mergeable, -+ .print_item = errcatch_print_item, -+ .check_item = errcatch_check_item, - -- errcatch_create_vi, -- errcatch_check_left, -- errcatch_check_right, -- errcatch_part_size, -- errcatch_unit_num, -- errcatch_print_vi -+ .create_vi = errcatch_create_vi, -+ .check_left = errcatch_check_left, -+ .check_right = errcatch_check_right, -+ .part_size = errcatch_part_size, -+ .unit_num = errcatch_unit_num, -+ .print_vi = errcatch_print_vi - }; - - #if ! (TYPE_STAT_DATA == 0 && TYPE_INDIRECT == 1 && TYPE_DIRECT == 2 && TYPE_DIRENTRY == 3) -diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c -index 621b9f3..af527fd 100644 ---- a/fs/reiserfs/procfs.c -+++ b/fs/reiserfs/procfs.c -@@ -114,7 +114,7 @@ static int show_super(struct seq_file *m, void *unused) - "SMALL_TAILS " : "NO_TAILS ", - replay_only(sb) ? "REPLAY_ONLY " : "", - convert_reiserfs(sb) ? "CONV " : "", -- atomic_read(&r->s_generation_counter), -+ atomic_read_unchecked(&r->s_generation_counter), - SF(s_disk_reads), SF(s_disk_writes), SF(s_fix_nodes), - SF(s_do_balance), SF(s_unneeded_left_neighbor), - SF(s_good_search_by_key_reada), SF(s_bmaps), -diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h -index 2adcde1..7d27bc8 100644 ---- a/fs/reiserfs/reiserfs.h -+++ b/fs/reiserfs/reiserfs.h -@@ -580,7 +580,7 @@ struct reiserfs_sb_info { - /* Comment? -Hans */ - wait_queue_head_t s_wait; - /* increased by one every time the tree gets re-balanced */ -- atomic_t s_generation_counter; -+ atomic_unchecked_t s_generation_counter; - - /* File system properties. Currently holds on-disk FS format */ - unsigned long s_properties; -@@ -2300,7 +2300,7 @@ static inline loff_t max_reiserfs_offset(struct inode *inode) - #define REISERFS_USER_MEM 1 /* user memory mode */ - - #define fs_generation(s) (REISERFS_SB(s)->s_generation_counter) --#define get_generation(s) atomic_read (&fs_generation(s)) -+#define get_generation(s) atomic_read_unchecked (&fs_generation(s)) - #define FILESYSTEM_CHANGED_TB(tb) (get_generation((tb)->tb_sb) != (tb)->fs_gen) - #define __fs_changed(gen,s) (gen != get_generation (s)) - #define fs_changed(gen,s) \ -diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c -index 0111ad0..00f4749 100644 ---- a/fs/reiserfs/super.c -+++ b/fs/reiserfs/super.c -@@ -1868,6 +1868,10 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) - sbi->s_mount_opt |= (1 << REISERFS_SMALLTAIL); - sbi->s_mount_opt |= (1 << REISERFS_ERROR_RO); - sbi->s_mount_opt |= (1 << REISERFS_BARRIER_FLUSH); -+#ifdef CONFIG_REISERFS_FS_XATTR -+ /* turn on user xattrs by default */ -+ sbi->s_mount_opt |= (1 << REISERFS_XATTRS_USER); -+#endif - /* no preallocation minimum, be smart in reiserfs_file_write instead */ - sbi->s_alloc_options.preallocmin = 0; - /* Preallocate by 16 blocks (17-1) at once */ -diff --git a/fs/select.c b/fs/select.c -index f684c75..4117611 100644 ---- a/fs/select.c -+++ b/fs/select.c -@@ -20,6 +20,7 @@ - #include <linux/export.h> - #include <linux/slab.h> - #include <linux/poll.h> -+#include <linux/security.h> - #include <linux/personality.h> /* for STICKY_TIMEOUTS */ - #include <linux/file.h> - #include <linux/fdtable.h> -@@ -880,6 +881,7 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, - struct poll_list *walk = head; - unsigned long todo = nfds; - -+ gr_learn_resource(current, RLIMIT_NOFILE, nfds, 1); - if (nfds > rlimit(RLIMIT_NOFILE)) - return -EINVAL; - -diff --git a/fs/seq_file.c b/fs/seq_file.c -index 555f821..02a990b 100644 ---- a/fs/seq_file.c -+++ b/fs/seq_file.c -@@ -12,6 +12,8 @@ - #include <linux/slab.h> - #include <linux/cred.h> - #include <linux/mm.h> -+#include <linux/sched.h> -+#include <linux/grsecurity.h> - - #include <asm/uaccess.h> - #include <asm/page.h> -@@ -29,9 +31,9 @@ static void *seq_buf_alloc(unsigned long size) - * __GFP_NORETRY to avoid oom-killings with high-order allocations - - * it's better to fall back to vmalloc() than to kill things. - */ -- buf = kmalloc(size, GFP_KERNEL | __GFP_NORETRY | __GFP_NOWARN); -+ buf = kmalloc(size, GFP_KERNEL | GFP_USERCOPY | __GFP_NORETRY | __GFP_NOWARN); - if (!buf && size > PAGE_SIZE) -- buf = vmalloc(size); -+ buf = vmalloc_usercopy(size); - return buf; - } - -@@ -65,6 +67,9 @@ int seq_open(struct file *file, const struct seq_operations *op) - #ifdef CONFIG_USER_NS - p->user_ns = file->f_cred->user_ns; - #endif -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ p->exec_id = current->exec_id; -+#endif - - /* - * Wrappers around seq_open(e.g. swaps_open) need to be -@@ -87,6 +92,16 @@ int seq_open(struct file *file, const struct seq_operations *op) - } - EXPORT_SYMBOL(seq_open); - -+ -+int seq_open_restrict(struct file *file, const struct seq_operations *op) -+{ -+ if (gr_proc_is_restricted()) -+ return -EACCES; -+ -+ return seq_open(file, op); -+} -+EXPORT_SYMBOL(seq_open_restrict); -+ - static int traverse(struct seq_file *m, loff_t offset) - { - loff_t pos = 0, index; -@@ -158,7 +173,7 @@ Eoverflow: - ssize_t seq_read(struct file *file, char __user *buf, size_t size, loff_t *ppos) - { - struct seq_file *m = file->private_data; -- size_t copied = 0; -+ ssize_t copied = 0; - loff_t pos; - size_t n; - void *p; -@@ -557,7 +572,7 @@ static void single_stop(struct seq_file *p, void *v) - int single_open(struct file *file, int (*show)(struct seq_file *, void *), - void *data) - { -- struct seq_operations *op = kmalloc(sizeof(*op), GFP_KERNEL); -+ seq_operations_no_const *op = kzalloc(sizeof(*op), GFP_KERNEL); - int res = -ENOMEM; - - if (op) { -@@ -593,6 +608,17 @@ int single_open_size(struct file *file, int (*show)(struct seq_file *, void *), - } - EXPORT_SYMBOL(single_open_size); - -+int single_open_restrict(struct file *file, int (*show)(struct seq_file *, void *), -+ void *data) -+{ -+ if (gr_proc_is_restricted()) -+ return -EACCES; -+ -+ return single_open(file, show, data); -+} -+EXPORT_SYMBOL(single_open_restrict); -+ -+ - int single_release(struct inode *inode, struct file *file) - { - const struct seq_operations *op = ((struct seq_file *)file->private_data)->op; -diff --git a/fs/splice.c b/fs/splice.c -index bfe62ae..a84920d 100644 ---- a/fs/splice.c -+++ b/fs/splice.c -@@ -192,7 +192,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe, - pipe_lock(pipe); - - for (;;) { -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -215,7 +215,7 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe, - page_nr++; - ret += buf->len; - -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - do_wakeup = 1; - - if (!--spd->nr_pages) -@@ -246,9 +246,9 @@ ssize_t splice_to_pipe(struct pipe_inode_info *pipe, - do_wakeup = 0; - } - -- pipe->waiting_writers++; -+ atomic_inc(&pipe->waiting_writers); - pipe_wait(pipe); -- pipe->waiting_writers--; -+ atomic_dec(&pipe->waiting_writers); - } - - pipe_unlock(pipe); -@@ -578,7 +578,7 @@ static ssize_t kernel_readv(struct file *file, const struct iovec *vec, - old_fs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ -- res = vfs_readv(file, (const struct iovec __user *)vec, vlen, &pos); -+ res = vfs_readv(file, (const struct iovec __force_user *)vec, vlen, &pos); - set_fs(old_fs); - - return res; -@@ -593,7 +593,7 @@ ssize_t kernel_write(struct file *file, const char *buf, size_t count, - old_fs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ -- res = vfs_write(file, (__force const char __user *)buf, count, &pos); -+ res = vfs_write(file, (const char __force_user *)buf, count, &pos); - set_fs(old_fs); - - return res; -@@ -646,7 +646,7 @@ ssize_t default_file_splice_read(struct file *in, loff_t *ppos, - goto err; - - this_len = min_t(size_t, len, PAGE_CACHE_SIZE - offset); -- vec[i].iov_base = (void __user *) page_address(page); -+ vec[i].iov_base = (void __force_user *) page_address(page); - vec[i].iov_len = this_len; - spd.pages[i] = page; - spd.nr_pages++; -@@ -785,7 +785,7 @@ static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_des - ops->release(pipe, buf); - pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1); - pipe->nrbufs--; -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - sd->need_wakeup = true; - } - -@@ -809,10 +809,10 @@ static int splice_from_pipe_feed(struct pipe_inode_info *pipe, struct splice_des - static int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_desc *sd) - { - while (!pipe->nrbufs) { -- if (!pipe->writers) -+ if (!atomic_read(&pipe->writers)) - return 0; - -- if (!pipe->waiting_writers && sd->num_spliced) -+ if (!atomic_read(&pipe->waiting_writers) && sd->num_spliced) - return 0; - - if (sd->flags & SPLICE_F_NONBLOCK) -@@ -1027,7 +1027,7 @@ iter_file_splice_write(struct pipe_inode_info *pipe, struct file *out, - ops->release(pipe, buf); - pipe->curbuf = (pipe->curbuf + 1) & (pipe->buffers - 1); - pipe->nrbufs--; -- if (pipe->files) -+ if (atomic_read(&pipe->files)) - sd.need_wakeup = true; - } else { - buf->offset += ret; -@@ -1187,7 +1187,7 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd, - * out of the pipe right after the splice_to_pipe(). So set - * PIPE_READERS appropriately. - */ -- pipe->readers = 1; -+ atomic_set(&pipe->readers, 1); - - current->splice_pipe = pipe; - } -@@ -1494,6 +1494,7 @@ static int get_iovec_page_array(const struct iovec __user *iov, - - partial[buffers].offset = off; - partial[buffers].len = plen; -+ partial[buffers].private = 0; - - off = 0; - len -= plen; -@@ -1725,9 +1726,9 @@ static int ipipe_prep(struct pipe_inode_info *pipe, unsigned int flags) - ret = -ERESTARTSYS; - break; - } -- if (!pipe->writers) -+ if (!atomic_read(&pipe->writers)) - break; -- if (!pipe->waiting_writers) { -+ if (!atomic_read(&pipe->waiting_writers)) { - if (flags & SPLICE_F_NONBLOCK) { - ret = -EAGAIN; - break; -@@ -1759,7 +1760,7 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags) - pipe_lock(pipe); - - while (pipe->nrbufs >= pipe->buffers) { -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - ret = -EPIPE; - break; -@@ -1772,9 +1773,9 @@ static int opipe_prep(struct pipe_inode_info *pipe, unsigned int flags) - ret = -ERESTARTSYS; - break; - } -- pipe->waiting_writers++; -+ atomic_inc(&pipe->waiting_writers); - pipe_wait(pipe); -- pipe->waiting_writers--; -+ atomic_dec(&pipe->waiting_writers); - } - - pipe_unlock(pipe); -@@ -1810,14 +1811,14 @@ retry: - pipe_double_lock(ipipe, opipe); - - do { -- if (!opipe->readers) { -+ if (!atomic_read(&opipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; - break; - } - -- if (!ipipe->nrbufs && !ipipe->writers) -+ if (!ipipe->nrbufs && !atomic_read(&ipipe->writers)) - break; - - /* -@@ -1914,7 +1915,7 @@ static int link_pipe(struct pipe_inode_info *ipipe, - pipe_double_lock(ipipe, opipe); - - do { -- if (!opipe->readers) { -+ if (!atomic_read(&opipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -1959,7 +1960,7 @@ static int link_pipe(struct pipe_inode_info *ipipe, - * return EAGAIN if we have the potential of some data in the - * future, otherwise just return 0 - */ -- if (!ret && ipipe->waiting_writers && (flags & SPLICE_F_NONBLOCK)) -+ if (!ret && atomic_read(&ipipe->waiting_writers) && (flags & SPLICE_F_NONBLOCK)) - ret = -EAGAIN; - - pipe_unlock(ipipe); -diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c -index e5e0ddf..09598c4 100644 ---- a/fs/squashfs/xattr.c -+++ b/fs/squashfs/xattr.c -@@ -46,8 +46,8 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer, - + msblk->xattr_table; - int offset = SQUASHFS_XATTR_OFFSET(squashfs_i(inode)->xattr); - int count = squashfs_i(inode)->xattr_count; -- size_t rest = buffer_size; -- int err; -+ size_t used = 0; -+ ssize_t err; - - /* check that the file system has xattrs */ - if (msblk->xattr_id_table == NULL) -@@ -68,11 +68,11 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer, - name_size = le16_to_cpu(entry.size); - handler = squashfs_xattr_handler(le16_to_cpu(entry.type)); - if (handler) -- prefix_size = handler->list(d, buffer, rest, NULL, -+ prefix_size = handler->list(d, buffer, buffer ? buffer_size - used : 0, NULL, - name_size, handler->flags); - if (prefix_size) { - if (buffer) { -- if (prefix_size + name_size + 1 > rest) { -+ if (prefix_size + name_size + 1 > buffer_size - used) { - err = -ERANGE; - goto failed; - } -@@ -86,7 +86,7 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer, - buffer[name_size] = '\0'; - buffer += name_size + 1; - } -- rest -= prefix_size + name_size + 1; -+ used += prefix_size + name_size + 1; - } else { - /* no handler or insuffficient privileges, so skip */ - err = squashfs_read_metadata(sb, NULL, &start, -@@ -107,7 +107,7 @@ ssize_t squashfs_listxattr(struct dentry *d, char *buffer, - if (err < 0) - goto failed; - } -- err = buffer_size - rest; -+ err = used; - - failed: - return err; -diff --git a/fs/stat.c b/fs/stat.c -index cccc1aa..7fe8951 100644 ---- a/fs/stat.c -+++ b/fs/stat.c -@@ -28,8 +28,13 @@ void generic_fillattr(struct inode *inode, struct kstat *stat) - stat->gid = inode->i_gid; - stat->rdev = inode->i_rdev; - stat->size = i_size_read(inode); -- stat->atime = inode->i_atime; -- stat->mtime = inode->i_mtime; -+ if (is_sidechannel_device(inode) && !capable_nolog(CAP_MKNOD)) { -+ stat->atime = inode->i_ctime; -+ stat->mtime = inode->i_ctime; -+ } else { -+ stat->atime = inode->i_atime; -+ stat->mtime = inode->i_mtime; -+ } - stat->ctime = inode->i_ctime; - stat->blksize = (1 << inode->i_blkbits); - stat->blocks = inode->i_blocks; -@@ -52,9 +57,16 @@ EXPORT_SYMBOL(generic_fillattr); - int vfs_getattr_nosec(struct path *path, struct kstat *stat) - { - struct inode *inode = d_backing_inode(path->dentry); -+ int retval; - -- if (inode->i_op->getattr) -- return inode->i_op->getattr(path->mnt, path->dentry, stat); -+ if (inode->i_op->getattr) { -+ retval = inode->i_op->getattr(path->mnt, path->dentry, stat); -+ if (!retval && is_sidechannel_device(inode) && !capable_nolog(CAP_MKNOD)) { -+ stat->atime = stat->ctime; -+ stat->mtime = stat->ctime; -+ } -+ return retval; -+ } - - generic_fillattr(inode, stat); - return 0; -diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c -index 94374e4..b5da3a1 100644 ---- a/fs/sysfs/dir.c -+++ b/fs/sysfs/dir.c -@@ -33,6 +33,10 @@ void sysfs_warn_dup(struct kernfs_node *parent, const char *name) - kfree(buf); - } - -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+extern int grsec_enable_sysfs_restrict; -+#endif -+ - /** - * sysfs_create_dir_ns - create a directory for an object with a namespace tag - * @kobj: object we're creating directory for -@@ -41,9 +45,16 @@ void sysfs_warn_dup(struct kernfs_node *parent, const char *name) - int sysfs_create_dir_ns(struct kobject *kobj, const void *ns) - { - struct kernfs_node *parent, *kn; -+ const char *name; -+ umode_t mode = S_IRWXU | S_IRUGO | S_IXUGO; -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+ const char *parent_name; -+#endif - - BUG_ON(!kobj); - -+ name = kobject_name(kobj); -+ - if (kobj->parent) - parent = kobj->parent->sd; - else -@@ -52,11 +63,24 @@ int sysfs_create_dir_ns(struct kobject *kobj, const void *ns) - if (!parent) - return -ENOENT; - -- kn = kernfs_create_dir_ns(parent, kobject_name(kobj), -- S_IRWXU | S_IRUGO | S_IXUGO, kobj, ns); -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+ parent_name = parent->name; -+ mode = S_IRWXU; -+ -+ if ((!strcmp(parent_name, "") && (!strcmp(name, "devices") || !strcmp(name, "fs"))) || -+ (!strcmp(parent_name, "devices") && !strcmp(name, "system")) || -+ (!strcmp(parent_name, "fs") && (!strcmp(name, "selinux") || !strcmp(name, "fuse") || !strcmp(name, "ecryptfs"))) || -+ (!strcmp(parent_name, "system") && !strcmp(name, "cpu"))) -+ mode = S_IRWXU | S_IRUGO | S_IXUGO; -+ if (!grsec_enable_sysfs_restrict) -+ mode = S_IRWXU | S_IRUGO | S_IXUGO; -+#endif -+ -+ kn = kernfs_create_dir_ns(parent, name, -+ mode, kobj, ns); - if (IS_ERR(kn)) { - if (PTR_ERR(kn) == -EEXIST) -- sysfs_warn_dup(parent, kobject_name(kobj)); -+ sysfs_warn_dup(parent, name); - return PTR_ERR(kn); - } - -diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h -index 69d4889..a810bd4 100644 ---- a/fs/sysv/sysv.h -+++ b/fs/sysv/sysv.h -@@ -188,7 +188,7 @@ static inline u32 PDP_swab(u32 x) - #endif - } - --static inline __u32 fs32_to_cpu(struct sysv_sb_info *sbi, __fs32 n) -+static inline __u32 __intentional_overflow(-1) fs32_to_cpu(struct sysv_sb_info *sbi, __fs32 n) - { - if (sbi->s_bytesex == BYTESEX_PDP) - return PDP_swab((__force __u32)n); -diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c -index a43df11..c368e71 100644 ---- a/fs/tracefs/inode.c -+++ b/fs/tracefs/inode.c -@@ -53,7 +53,7 @@ static const struct file_operations tracefs_file_operations = { - static struct tracefs_dir_ops { - int (*mkdir)(const char *name); - int (*rmdir)(const char *name); --} tracefs_ops; -+} __no_const tracefs_ops __read_only; - - static char *get_dname(struct dentry *dentry) - { -@@ -490,8 +490,10 @@ struct dentry *tracefs_create_instance_dir(const char *name, struct dentry *pare - if (!dentry) - return NULL; - -- tracefs_ops.mkdir = mkdir; -- tracefs_ops.rmdir = rmdir; -+ pax_open_kernel(); -+ *(void **)&tracefs_ops.mkdir = mkdir; -+ *(void **)&tracefs_ops.rmdir = rmdir; -+ pax_close_kernel(); - - return dentry; - } -diff --git a/fs/ubifs/io.c b/fs/ubifs/io.c -index 97be412..974b37f 100644 ---- a/fs/ubifs/io.c -+++ b/fs/ubifs/io.c -@@ -155,7 +155,7 @@ int ubifs_leb_change(struct ubifs_info *c, int lnum, const void *buf, int len) - return err; - } - --int ubifs_leb_unmap(struct ubifs_info *c, int lnum) -+int __intentional_overflow(-1) ubifs_leb_unmap(struct ubifs_info *c, int lnum) - { - int err; - -diff --git a/fs/udf/misc.c b/fs/udf/misc.c -index 71d1c25..084e2ad 100644 ---- a/fs/udf/misc.c -+++ b/fs/udf/misc.c -@@ -288,7 +288,7 @@ void udf_new_tag(char *data, uint16_t ident, uint16_t version, uint16_t snum, - - u8 udf_tag_checksum(const struct tag *t) - { -- u8 *data = (u8 *)t; -+ const u8 *data = (const u8 *)t; - u8 checksum = 0; - int i; - for (i = 0; i < sizeof(struct tag); ++i) -diff --git a/fs/ufs/swab.h b/fs/ufs/swab.h -index 8d974c4..b82f6ec 100644 ---- a/fs/ufs/swab.h -+++ b/fs/ufs/swab.h -@@ -22,7 +22,7 @@ enum { - BYTESEX_BE - }; - --static inline u64 -+static inline u64 __intentional_overflow(-1) - fs64_to_cpu(struct super_block *sbp, __fs64 n) - { - if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE) -@@ -40,7 +40,7 @@ cpu_to_fs64(struct super_block *sbp, u64 n) - return (__force __fs64)cpu_to_be64(n); - } - --static inline u32 -+static inline u32 __intentional_overflow(-1) - fs32_to_cpu(struct super_block *sbp, __fs32 n) - { - if (UFS_SB(sbp)->s_bytesex == BYTESEX_LE) -diff --git a/fs/utimes.c b/fs/utimes.c -index aa138d6..5f3a811 100644 ---- a/fs/utimes.c -+++ b/fs/utimes.c -@@ -1,6 +1,7 @@ - #include <linux/compiler.h> - #include <linux/file.h> - #include <linux/fs.h> -+#include <linux/security.h> - #include <linux/linkage.h> - #include <linux/mount.h> - #include <linux/namei.h> -@@ -103,6 +104,12 @@ static int utimes_common(struct path *path, struct timespec *times) - } - } - retry_deleg: -+ -+ if (!gr_acl_handle_utime(path->dentry, path->mnt)) { -+ error = -EACCES; -+ goto mnt_drop_write_and_out; -+ } -+ - mutex_lock(&inode->i_mutex); - error = notify_change(path->dentry, &newattrs, &delegated_inode); - mutex_unlock(&inode->i_mutex); -diff --git a/fs/xattr.c b/fs/xattr.c -index 4ef6985..a6cd6567 100644 ---- a/fs/xattr.c -+++ b/fs/xattr.c -@@ -227,6 +227,27 @@ int vfs_xattr_cmp(struct dentry *dentry, const char *xattr_name, - return rc; - } - -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+ssize_t -+pax_getxattr(struct dentry *dentry, void *value, size_t size) -+{ -+ struct inode *inode = dentry->d_inode; -+ ssize_t error; -+ -+ error = inode_permission(inode, MAY_EXEC); -+ if (error) -+ return error; -+ -+ if (inode->i_op->getxattr) -+ error = inode->i_op->getxattr(dentry, XATTR_NAME_PAX_FLAGS, value, size); -+ else -+ error = -EOPNOTSUPP; -+ -+ return error; -+} -+EXPORT_SYMBOL(pax_getxattr); -+#endif -+ - ssize_t - vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size) - { -@@ -319,7 +340,7 @@ EXPORT_SYMBOL_GPL(vfs_removexattr); - * Extended attribute SET operations - */ - static long --setxattr(struct dentry *d, const char __user *name, const void __user *value, -+setxattr(struct path *path, const char __user *name, const void __user *value, - size_t size, int flags) - { - int error; -@@ -355,7 +376,12 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value, - posix_acl_fix_xattr_from_user(kvalue, size); - } - -- error = vfs_setxattr(d, kname, kvalue, size, flags); -+ if (!gr_acl_handle_setxattr(path->dentry, path->mnt)) { -+ error = -EACCES; -+ goto out; -+ } -+ -+ error = vfs_setxattr(path->dentry, kname, kvalue, size, flags); - out: - if (vvalue) - vfree(vvalue); -@@ -376,7 +402,7 @@ retry: - return error; - error = mnt_want_write(path.mnt); - if (!error) { -- error = setxattr(path.dentry, name, value, size, flags); -+ error = setxattr(&path, name, value, size, flags); - mnt_drop_write(path.mnt); - } - path_put(&path); -@@ -412,7 +438,7 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name, - audit_file(f.file); - error = mnt_want_write_file(f.file); - if (!error) { -- error = setxattr(f.file->f_path.dentry, name, value, size, flags); -+ error = setxattr(&f.file->f_path, name, value, size, flags); - mnt_drop_write_file(f.file); - } - fdput(f); -@@ -598,7 +624,7 @@ SYSCALL_DEFINE3(flistxattr, int, fd, char __user *, list, size_t, size) - * Extended attribute REMOVE operations - */ - static long --removexattr(struct dentry *d, const char __user *name) -+removexattr(struct path *path, const char __user *name) - { - int error; - char kname[XATTR_NAME_MAX + 1]; -@@ -609,7 +635,10 @@ removexattr(struct dentry *d, const char __user *name) - if (error < 0) - return error; - -- return vfs_removexattr(d, kname); -+ if (!gr_acl_handle_removexattr(path->dentry, path->mnt)) -+ return -EACCES; -+ -+ return vfs_removexattr(path->dentry, kname); - } - - static int path_removexattr(const char __user *pathname, -@@ -623,7 +652,7 @@ retry: - return error; - error = mnt_want_write(path.mnt); - if (!error) { -- error = removexattr(path.dentry, name); -+ error = removexattr(&path, name); - mnt_drop_write(path.mnt); - } - path_put(&path); -@@ -649,14 +678,16 @@ SYSCALL_DEFINE2(lremovexattr, const char __user *, pathname, - SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name) - { - struct fd f = fdget(fd); -+ struct path *path; - int error = -EBADF; - - if (!f.file) - return error; -+ path = &f.file->f_path; - audit_file(f.file); - error = mnt_want_write_file(f.file); - if (!error) { -- error = removexattr(f.file->f_path.dentry, name); -+ error = removexattr(path, name); - mnt_drop_write_file(f.file); - } - fdput(f); -diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c -index f1026e8..a0fbe4f 100644 ---- a/fs/xfs/libxfs/xfs_bmap.c -+++ b/fs/xfs/libxfs/xfs_bmap.c -@@ -554,7 +554,7 @@ xfs_bmap_validate_ret( - - #else - #define xfs_bmap_check_leaf_extents(cur, ip, whichfork) do { } while (0) --#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap) -+#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap) do { } while (0) - #endif /* DEBUG */ - - /* -diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c -index 098cd78..724d3f8 100644 ---- a/fs/xfs/xfs_dir2_readdir.c -+++ b/fs/xfs/xfs_dir2_readdir.c -@@ -140,7 +140,12 @@ xfs_dir2_sf_getdents( - ino = dp->d_ops->sf_get_ino(sfp, sfep); - filetype = dp->d_ops->sf_get_ftype(sfep); - ctx->pos = off & 0x7fffffff; -- if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen, ino, -+ if (dp->i_df.if_u1.if_data == dp->i_df.if_u2.if_inline_data) { -+ char name[sfep->namelen]; -+ memcpy(name, sfep->name, sfep->namelen); -+ if (!dir_emit(ctx, name, sfep->namelen, ino, xfs_dir3_get_dtype(dp->i_mount, filetype))) -+ return 0; -+ } else if (!dir_emit(ctx, (char *)sfep->name, sfep->namelen, ino, - xfs_dir3_get_dtype(dp->i_mount, filetype))) - return 0; - sfep = dp->d_ops->sf_nextentry(sfp, sfep); -diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c -index 87f67c6..7e335bf 100644 ---- a/fs/xfs/xfs_ioctl.c -+++ b/fs/xfs/xfs_ioctl.c -@@ -120,7 +120,7 @@ xfs_find_handle( - } - - error = -EFAULT; -- if (copy_to_user(hreq->ohandle, &handle, hsize) || -+ if (hsize > sizeof handle || copy_to_user(hreq->ohandle, &handle, hsize) || - copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32))) - goto out_put; - -diff --git a/fs/xfs/xfs_linux.h b/fs/xfs/xfs_linux.h -index 7c7842c..ce15222 100644 ---- a/fs/xfs/xfs_linux.h -+++ b/fs/xfs/xfs_linux.h -@@ -225,7 +225,7 @@ static inline kgid_t xfs_gid_to_kgid(__uint32_t gid) - * of the compiler which do not like us using do_div in the middle - * of large functions. - */ --static inline __u32 xfs_do_div(void *a, __u32 b, int n) -+static inline __u32 __intentional_overflow(-1) xfs_do_div(void *a, __u32 b, int n) - { - __u32 mod; - -@@ -281,7 +281,7 @@ static inline __u32 xfs_do_mod(void *a, __u32 b, int n) - return 0; - } - #else --static inline __u32 xfs_do_div(void *a, __u32 b, int n) -+static inline __u32 __intentional_overflow(-1) xfs_do_div(void *a, __u32 b, int n) - { - __u32 mod; - -diff --git a/grsecurity/Kconfig b/grsecurity/Kconfig -new file mode 100644 -index 0000000..31f8fe4 ---- /dev/null -+++ b/grsecurity/Kconfig -@@ -0,0 +1,1182 @@ -+# -+# grecurity configuration -+# -+menu "Memory Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_KMEM -+ bool "Deny reading/writing to /dev/kmem, /dev/mem, and /dev/port" -+ default y if GRKERNSEC_CONFIG_AUTO -+ select STRICT_DEVMEM if (X86 || ARM || TILE || S390) -+ help -+ If you say Y here, /dev/kmem and /dev/mem won't be allowed to -+ be written to or read from to modify or leak the contents of the running -+ kernel. /dev/port will also not be allowed to be opened, writing to -+ /dev/cpu/*/msr will be prevented, and support for kexec will be removed. -+ If you have module support disabled, enabling this will close up several -+ ways that are currently used to insert malicious code into the running -+ kernel. -+ -+ Even with this feature enabled, we still highly recommend that -+ you use the RBAC system, as it is still possible for an attacker to -+ modify the running kernel through other more obscure methods. -+ -+ It is highly recommended that you say Y here if you meet all the -+ conditions above. -+ -+config GRKERNSEC_VM86 -+ bool "Restrict VM86 mode" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER) -+ depends on X86_32 -+ -+ help -+ If you say Y here, only processes with CAP_SYS_RAWIO will be able to -+ make use of a special execution mode on 32bit x86 processors called -+ Virtual 8086 (VM86) mode. XFree86 may need vm86 mode for certain -+ video cards and will still work with this option enabled. The purpose -+ of the option is to prevent exploitation of emulation errors in -+ virtualization of vm86 mode like the one discovered in VMWare in 2009. -+ Nearly all users should be able to enable this option. -+ -+config GRKERNSEC_IO -+ bool "Disable privileged I/O" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER) -+ depends on X86 -+ select RTC_CLASS -+ select RTC_INTF_DEV -+ select RTC_DRV_CMOS -+ -+ help -+ If you say Y here, all ioperm and iopl calls will return an error. -+ Ioperm and iopl can be used to modify the running kernel. -+ Unfortunately, some programs need this access to operate properly, -+ the most notable of which are XFree86 and hwclock. hwclock can be -+ remedied by having RTC support in the kernel, so real-time -+ clock support is enabled if this option is enabled, to ensure -+ that hwclock operates correctly. If hwclock still does not work, -+ either update udev or symlink /dev/rtc to /dev/rtc0. -+ -+ If you're using XFree86 or a version of Xorg from 2012 or earlier, -+ you may not be able to boot into a graphical environment with this -+ option enabled. In this case, you should use the RBAC system instead. -+ -+config GRKERNSEC_BPF_HARDEN -+ bool "Harden BPF interpreter" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ Unlike previous versions of grsecurity that hardened both the BPF -+ interpreted code against corruption at rest as well as the JIT code -+ against JIT-spray attacks and attacker-controlled immediate values -+ for ROP, this feature will enforce disabling of the new eBPF JIT engine -+ and will ensure the interpreted code is read-only at rest. This feature -+ may be removed at a later time when eBPF stabilizes to entirely revert -+ back to the more secure pre-3.16 BPF interpreter/JIT. -+ -+ If you're using KERNEXEC, it's recommended that you enable this option -+ to supplement the hardening of the kernel. -+ -+config GRKERNSEC_PERF_HARDEN -+ bool "Disable unprivileged PERF_EVENTS usage by default" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PERF_EVENTS -+ help -+ If you say Y here, the range of acceptable values for the -+ /proc/sys/kernel/perf_event_paranoid sysctl will be expanded to allow and -+ default to a new value: 3. When the sysctl is set to this value, no -+ unprivileged use of the PERF_EVENTS syscall interface will be permitted. -+ -+ Though PERF_EVENTS can be used legitimately for performance monitoring -+ and low-level application profiling, it is forced on regardless of -+ configuration, has been at fault for several vulnerabilities, and -+ creates new opportunities for side channels and other information leaks. -+ -+ This feature puts PERF_EVENTS into a secure default state and permits -+ the administrator to change out of it temporarily if unprivileged -+ application profiling is needed. -+ -+config GRKERNSEC_RAND_THREADSTACK -+ bool "Insert random gaps between thread stacks" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_RANDMMAP && !PPC -+ help -+ If you say Y here, a random-sized gap will be enforced between allocated -+ thread stacks. Glibc's NPTL and other threading libraries that -+ pass MAP_STACK to the kernel for thread stack allocation are supported. -+ The implementation currently provides 8 bits of entropy for the gap. -+ -+ Many distributions do not compile threaded remote services with the -+ -fstack-check argument to GCC, causing the variable-sized stack-based -+ allocator, alloca(), to not probe the stack on allocation. This -+ permits an unbounded alloca() to skip over any guard page and potentially -+ modify another thread's stack reliably. An enforced random gap -+ reduces the reliability of such an attack and increases the chance -+ that such a read/write to another thread's stack instead lands in -+ an unmapped area, causing a crash and triggering grsecurity's -+ anti-bruteforcing logic. -+ -+config GRKERNSEC_PROC_MEMMAP -+ bool "Harden ASLR against information leaks and entropy reduction" -+ default y if (GRKERNSEC_CONFIG_AUTO || PAX_NOEXEC || PAX_ASLR) -+ depends on PAX_NOEXEC || PAX_ASLR -+ help -+ If you say Y here, the /proc/<pid>/maps and /proc/<pid>/stat files will -+ give no information about the addresses of its mappings if -+ PaX features that rely on random addresses are enabled on the task. -+ In addition to sanitizing this information and disabling other -+ dangerous sources of information, this option causes reads of sensitive -+ /proc/<pid> entries where the file descriptor was opened in a different -+ task than the one performing the read. Such attempts are logged. -+ This option also limits argv/env strings for suid/sgid binaries -+ to 512KB to prevent a complete exhaustion of the stack entropy provided -+ by ASLR. Finally, it places an 8MB stack resource limit on suid/sgid -+ binaries to prevent alternative mmap layouts from being abused. -+ -+ If you use PaX it is essential that you say Y here as it closes up -+ several holes that make full ASLR useless locally. -+ -+ -+config GRKERNSEC_KSTACKOVERFLOW -+ bool "Prevent kernel stack overflows" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on !IA64 && 64BIT -+ help -+ If you say Y here, the kernel's process stacks will be allocated -+ with vmalloc instead of the kernel's default allocator. This -+ introduces guard pages that in combination with the alloca checking -+ of the STACKLEAK feature prevents all forms of kernel process stack -+ overflow abuse. Note that this is different from kernel stack -+ buffer overflows. -+ -+config GRKERNSEC_BRUTE -+ bool "Deter exploit bruteforcing" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, attempts to bruteforce exploits against forking -+ daemons such as apache or sshd, as well as against suid/sgid binaries -+ will be deterred. When a child of a forking daemon is killed by PaX -+ or crashes due to an illegal instruction or other suspicious signal, -+ the parent process will be delayed 30 seconds upon every subsequent -+ fork until the administrator is able to assess the situation and -+ restart the daemon. -+ In the suid/sgid case, the attempt is logged, the user has all their -+ existing instances of the suid/sgid binary terminated and will -+ be unable to execute any suid/sgid binaries for 15 minutes. -+ -+ It is recommended that you also enable signal logging in the auditing -+ section so that logs are generated when a process triggers a suspicious -+ signal. -+ If the sysctl option is enabled, a sysctl option with name -+ "deter_bruteforce" is created. -+ -+config GRKERNSEC_MODHARDEN -+ bool "Harden module auto-loading" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on MODULES -+ help -+ If you say Y here, module auto-loading in response to use of some -+ feature implemented by an unloaded module will be restricted to -+ root users. Enabling this option helps defend against attacks -+ by unprivileged users who abuse the auto-loading behavior to -+ cause a vulnerable module to load that is then exploited. -+ -+ If this option prevents a legitimate use of auto-loading for a -+ non-root user, the administrator can execute modprobe manually -+ with the exact name of the module mentioned in the alert log. -+ Alternatively, the administrator can add the module to the list -+ of modules loaded at boot by modifying init scripts. -+ -+ Modification of init scripts will most likely be needed on -+ Ubuntu servers with encrypted home directory support enabled, -+ as the first non-root user logging in will cause the ecb(aes), -+ ecb(aes)-all, cbc(aes), and cbc(aes)-all modules to be loaded. -+ -+config GRKERNSEC_HIDESYM -+ bool "Hide kernel symbols" -+ default y if GRKERNSEC_CONFIG_AUTO -+ select PAX_USERCOPY_SLABS -+ help -+ If you say Y here, getting information on loaded modules, and -+ displaying all kernel symbols through a syscall will be restricted -+ to users with CAP_SYS_MODULE. For software compatibility reasons, -+ /proc/kallsyms will be restricted to the root user. The RBAC -+ system can hide that entry even from root. -+ -+ This option also prevents leaking of kernel addresses through -+ several /proc entries. -+ -+ Note that this option is only effective provided the following -+ conditions are met: -+ 1) The kernel using grsecurity is not precompiled by some distribution -+ 2) You have also enabled GRKERNSEC_DMESG -+ 3) You are using the RBAC system and hiding other files such as your -+ kernel image and System.map. Alternatively, enabling this option -+ causes the permissions on /boot, /lib/modules, and the kernel -+ source directory to change at compile time to prevent -+ reading by non-root users. -+ If the above conditions are met, this option will aid in providing a -+ useful protection against local kernel exploitation of overflows -+ and arbitrary read/write vulnerabilities. -+ -+ It is highly recommended that you enable GRKERNSEC_PERF_HARDEN -+ in addition to this feature. -+ -+config GRKERNSEC_RANDSTRUCT -+ bool "Randomize layout of sensitive kernel structures" -+ default y if GRKERNSEC_CONFIG_AUTO -+ select GRKERNSEC_HIDESYM -+ select MODVERSIONS if MODULES -+ help -+ If you say Y here, the layouts of a number of sensitive kernel -+ structures (task, fs, cred, etc) and all structures composed entirely -+ of function pointers (aka "ops" structs) will be randomized at compile-time. -+ This can introduce the requirement of an additional infoleak -+ vulnerability for exploits targeting these structure types. -+ -+ Enabling this feature will introduce some performance impact, slightly -+ increase memory usage, and prevent the use of forensic tools like -+ Volatility against the system (unless the kernel source tree isn't -+ cleaned after kernel installation). -+ -+ The seed used for compilation is located at tools/gcc/randomize_layout_seed.h. -+ It remains after a make clean to allow for external modules to be compiled -+ with the existing seed and will be removed by a make mrproper or -+ make distclean. -+ -+ Note that the implementation requires gcc 4.6.4. or newer. You may need -+ to install the supporting headers explicitly in addition to the normal -+ gcc package. -+ -+config GRKERNSEC_RANDSTRUCT_PERFORMANCE -+ bool "Use cacheline-aware structure randomization" -+ depends on GRKERNSEC_RANDSTRUCT -+ default y if GRKERNSEC_CONFIG_PRIORITY_PERF -+ help -+ If you say Y here, the RANDSTRUCT randomization will make a best effort -+ at restricting randomization to cacheline-sized groups of elements. It -+ will further not randomize bitfields in structures. This reduces the -+ performance hit of RANDSTRUCT at the cost of weakened randomization. -+ -+config GRKERNSEC_KERN_LOCKOUT -+ bool "Active kernel exploit response" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on X86 || ARM || PPC || SPARC -+ help -+ If you say Y here, when a PaX alert is triggered due to suspicious -+ activity in the kernel (from KERNEXEC/UDEREF/USERCOPY) -+ or an OOPS occurs due to bad memory accesses, instead of just -+ terminating the offending process (and potentially allowing -+ a subsequent exploit from the same user), we will take one of two -+ actions: -+ If the user was root, we will panic the system -+ If the user was non-root, we will log the attempt, terminate -+ all processes owned by the user, then prevent them from creating -+ any new processes until the system is restarted -+ This deters repeated kernel exploitation/bruteforcing attempts -+ and is useful for later forensics. -+ -+config GRKERNSEC_OLD_ARM_USERLAND -+ bool "Old ARM userland compatibility" -+ depends on ARM && (CPU_V6 || CPU_V6K || CPU_V7) -+ help -+ If you say Y here, stubs of executable code to perform such operations -+ as "compare-exchange" will be placed at fixed locations in the ARM vector -+ table. This is unfortunately needed for old ARM userland meant to run -+ across a wide range of processors. Without this option enabled, -+ the get_tls and data memory barrier stubs will be emulated by the kernel, -+ which is enough for Linaro userlands or other userlands designed for v6 -+ and newer ARM CPUs. It's recommended that you try without this option enabled -+ first, and only enable it if your userland does not boot (it will likely fail -+ at init time). -+ -+endmenu -+menu "Role Based Access Control Options" -+depends on GRKERNSEC -+ -+config GRKERNSEC_RBAC_DEBUG -+ bool -+ -+config GRKERNSEC_NO_RBAC -+ bool "Disable RBAC system" -+ help -+ If you say Y here, the /dev/grsec device will be removed from the kernel, -+ preventing the RBAC system from being enabled. You should only say Y -+ here if you have no intention of using the RBAC system, so as to prevent -+ an attacker with root access from misusing the RBAC system to hide files -+ and processes when loadable module support and /dev/[k]mem have been -+ locked down. -+ -+config GRKERNSEC_ACL_HIDEKERN -+ bool "Hide kernel processes" -+ help -+ If you say Y here, all kernel threads will be hidden to all -+ processes but those whose subject has the "view hidden processes" -+ flag. -+ -+config GRKERNSEC_ACL_MAXTRIES -+ int "Maximum tries before password lockout" -+ default 3 -+ help -+ This option enforces the maximum number of times a user can attempt -+ to authorize themselves with the grsecurity RBAC system before being -+ denied the ability to attempt authorization again for a specified time. -+ The lower the number, the harder it will be to brute-force a password. -+ -+config GRKERNSEC_ACL_TIMEOUT -+ int "Time to wait after max password tries, in seconds" -+ default 30 -+ help -+ This option specifies the time the user must wait after attempting to -+ authorize to the RBAC system with the maximum number of invalid -+ passwords. The higher the number, the harder it will be to brute-force -+ a password. -+ -+endmenu -+menu "Filesystem Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_PROC -+ bool "Proc restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, the permissions of the /proc filesystem -+ will be altered to enhance system security and privacy. You MUST -+ choose either a user only restriction or a user and group restriction. -+ Depending upon the option you choose, you can either restrict users to -+ see only the processes they themselves run, or choose a group that can -+ view all processes and files normally restricted to root if you choose -+ the "restrict to user only" option. NOTE: If you're running identd or -+ ntpd as a non-root user, you will have to run it as the group you -+ specify here. -+ -+config GRKERNSEC_PROC_USER -+ bool "Restrict /proc to user only" -+ depends on GRKERNSEC_PROC -+ help -+ If you say Y here, non-root users will only be able to view their own -+ processes, and restricts them from viewing network-related information, -+ and viewing kernel symbol and module information. -+ -+config GRKERNSEC_PROC_USERGROUP -+ bool "Allow special group" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_PROC && !GRKERNSEC_PROC_USER -+ help -+ If you say Y here, you will be able to select a group that will be -+ able to view all processes and network-related information. If you've -+ enabled GRKERNSEC_HIDESYM, kernel and symbol information may still -+ remain hidden. This option is useful if you want to run identd as -+ a non-root user. The group you select may also be chosen at boot time -+ via "grsec_proc_gid=" on the kernel commandline. -+ -+config GRKERNSEC_PROC_GID -+ int "GID for special group" -+ depends on GRKERNSEC_PROC_USERGROUP -+ default 1001 -+ -+config GRKERNSEC_PROC_ADD -+ bool "Additional restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_PROC_USER || GRKERNSEC_PROC_USERGROUP -+ help -+ If you say Y here, additional restrictions will be placed on -+ /proc that keep normal users from viewing device information and -+ slabinfo information that could be useful for exploits. -+ -+config GRKERNSEC_LINK -+ bool "Linking restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, /tmp race exploits will be prevented, since users -+ will no longer be able to follow symlinks owned by other users in -+ world-writable +t directories (e.g. /tmp), unless the owner of the -+ symlink is the owner of the directory. users will also not be -+ able to hardlink to files they do not own. If the sysctl option is -+ enabled, a sysctl option with name "linking_restrictions" is created. -+ -+config GRKERNSEC_SYMLINKOWN -+ bool "Kernel-enforced SymlinksIfOwnerMatch" -+ default y if GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER -+ help -+ Apache's SymlinksIfOwnerMatch option has an inherent race condition -+ that prevents it from being used as a security feature. As Apache -+ verifies the symlink by performing a stat() against the target of -+ the symlink before it is followed, an attacker can setup a symlink -+ to point to a same-owned file, then replace the symlink with one -+ that targets another user's file just after Apache "validates" the -+ symlink -- a classic TOCTOU race. If you say Y here, a complete, -+ race-free replacement for Apache's "SymlinksIfOwnerMatch" option -+ will be in place for the group you specify. If the sysctl option -+ is enabled, a sysctl option with name "enforce_symlinksifowner" is -+ created. -+ -+config GRKERNSEC_SYMLINKOWN_GID -+ int "GID for users with kernel-enforced SymlinksIfOwnerMatch" -+ depends on GRKERNSEC_SYMLINKOWN -+ default 1006 -+ help -+ Setting this GID determines what group kernel-enforced -+ SymlinksIfOwnerMatch will be enabled for. If the sysctl option -+ is enabled, a sysctl option with name "symlinkown_gid" is created. -+ -+config GRKERNSEC_FIFO -+ bool "FIFO restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, users will not be able to write to FIFOs they don't -+ own in world-writable +t directories (e.g. /tmp), unless the owner of -+ the FIFO is the same owner of the directory it's held in. If the sysctl -+ option is enabled, a sysctl option with name "fifo_restrictions" is -+ created. -+ -+config GRKERNSEC_SYSFS_RESTRICT -+ bool "Sysfs/debugfs restriction" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER) -+ depends on SYSFS -+ help -+ If you say Y here, sysfs (the pseudo-filesystem mounted at /sys) and -+ any filesystem normally mounted under it (e.g. debugfs) will be -+ mostly accessible only by root. These filesystems generally provide access -+ to hardware and debug information that isn't appropriate for unprivileged -+ users of the system. Sysfs and debugfs have also become a large source -+ of new vulnerabilities, ranging from infoleaks to local compromise. -+ There has been very little oversight with an eye toward security involved -+ in adding new exporters of information to these filesystems, so their -+ use is discouraged. -+ For reasons of compatibility, a few directories have been whitelisted -+ for access by non-root users: -+ /sys/fs/selinux -+ /sys/fs/fuse -+ /sys/devices/system/cpu -+ -+config GRKERNSEC_ROFS -+ bool "Runtime read-only mount protection" -+ depends on SYSCTL -+ help -+ If you say Y here, a sysctl option with name "romount_protect" will -+ be created. By setting this option to 1 at runtime, filesystems -+ will be protected in the following ways: -+ * No new writable mounts will be allowed -+ * Existing read-only mounts won't be able to be remounted read/write -+ * Write operations will be denied on all block devices -+ This option acts independently of grsec_lock: once it is set to 1, -+ it cannot be turned off. Therefore, please be mindful of the resulting -+ behavior if this option is enabled in an init script on a read-only -+ filesystem. -+ Also be aware that as with other root-focused features, GRKERNSEC_KMEM -+ and GRKERNSEC_IO should be enabled and module loading disabled via -+ config or at runtime. -+ This feature is mainly intended for secure embedded systems. -+ -+ -+config GRKERNSEC_DEVICE_SIDECHANNEL -+ bool "Eliminate stat/notify-based device sidechannels" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, timing analyses on block or character -+ devices like /dev/ptmx using stat or inotify/dnotify/fanotify -+ will be thwarted for unprivileged users. If a process without -+ CAP_MKNOD stats such a device, the last access and last modify times -+ will match the device's create time. No access or modify events -+ will be triggered through inotify/dnotify/fanotify for such devices. -+ This feature will prevent attacks that may at a minimum -+ allow an attacker to determine the administrator's password length. -+ -+config GRKERNSEC_CHROOT -+ bool "Chroot jail restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, you will be able to choose several options that will -+ make breaking out of a chrooted jail much more difficult. If you -+ encounter no software incompatibilities with the following options, it -+ is recommended that you enable each one. -+ -+ Note that the chroot restrictions are not intended to apply to "chroots" -+ to directories that are simple bind mounts of the global root filesystem. -+ For several other reasons, a user shouldn't expect any significant -+ security by performing such a chroot. -+ -+config GRKERNSEC_CHROOT_MOUNT -+ bool "Deny mounts" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to -+ mount or remount filesystems. If the sysctl option is enabled, a -+ sysctl option with name "chroot_deny_mount" is created. -+ -+config GRKERNSEC_CHROOT_DOUBLE -+ bool "Deny double-chroots" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to chroot -+ again outside the chroot. This is a widely used method of breaking -+ out of a chroot jail and should not be allowed. If the sysctl -+ option is enabled, a sysctl option with name -+ "chroot_deny_chroot" is created. -+ -+config GRKERNSEC_CHROOT_PIVOT -+ bool "Deny pivot_root in chroot" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to use -+ a function called pivot_root() that was introduced in Linux 2.3.41. It -+ works similar to chroot in that it changes the root filesystem. This -+ function could be misused in a chrooted process to attempt to break out -+ of the chroot, and therefore should not be allowed. If the sysctl -+ option is enabled, a sysctl option with name "chroot_deny_pivot" is -+ created. -+ -+config GRKERNSEC_CHROOT_CHDIR -+ bool "Enforce chdir("/") on all chroots" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, the current working directory of all newly-chrooted -+ applications will be set to the the root directory of the chroot. -+ The man page on chroot(2) states: -+ Note that this call does not change the current working -+ directory, so that `.' can be outside the tree rooted at -+ `/'. In particular, the super-user can escape from a -+ `chroot jail' by doing `mkdir foo; chroot foo; cd ..'. -+ -+ It is recommended that you say Y here, since it's not known to break -+ any software. If the sysctl option is enabled, a sysctl option with -+ name "chroot_enforce_chdir" is created. -+ -+config GRKERNSEC_CHROOT_CHMOD -+ bool "Deny (f)chmod +s" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to chmod -+ or fchmod files to make them have suid or sgid bits. This protects -+ against another published method of breaking a chroot. If the sysctl -+ option is enabled, a sysctl option with name "chroot_deny_chmod" is -+ created. -+ -+config GRKERNSEC_CHROOT_FCHDIR -+ bool "Deny fchdir and fhandle out of chroot" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, a well-known method of breaking chroots by fchdir'ing -+ to a file descriptor of the chrooting process that points to a directory -+ outside the filesystem will be stopped. Additionally, this option prevents -+ use of the recently-created syscall for opening files by a guessable "file -+ handle" inside a chroot. If the sysctl option is enabled, a sysctl option -+ with name "chroot_deny_fchdir" is created. -+ -+config GRKERNSEC_CHROOT_MKNOD -+ bool "Deny mknod" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be allowed to -+ mknod. The problem with using mknod inside a chroot is that it -+ would allow an attacker to create a device entry that is the same -+ as one on the physical root of your system, which could range from -+ anything from the console device to a device for your harddrive (which -+ they could then use to wipe the drive or steal data). It is recommended -+ that you say Y here, unless you run into software incompatibilities. -+ If the sysctl option is enabled, a sysctl option with name -+ "chroot_deny_mknod" is created. -+ -+config GRKERNSEC_CHROOT_SHMAT -+ bool "Deny shmat() out of chroot" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to attach -+ to shared memory segments that were created outside of the chroot jail. -+ It is recommended that you say Y here. If the sysctl option is enabled, -+ a sysctl option with name "chroot_deny_shmat" is created. -+ -+config GRKERNSEC_CHROOT_UNIX -+ bool "Deny access to abstract AF_UNIX sockets out of chroot" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to -+ connect to abstract (meaning not belonging to a filesystem) Unix -+ domain sockets that were bound outside of a chroot. It is recommended -+ that you say Y here. If the sysctl option is enabled, a sysctl option -+ with name "chroot_deny_unix" is created. -+ -+config GRKERNSEC_CHROOT_FINDTASK -+ bool "Protect outside processes" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to -+ kill, send signals with fcntl, ptrace, capget, getpgid, setpgid, -+ getsid, or view any process outside of the chroot. If the sysctl -+ option is enabled, a sysctl option with name "chroot_findtask" is -+ created. -+ -+config GRKERNSEC_CHROOT_NICE -+ bool "Restrict priority changes" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to raise -+ the priority of processes in the chroot, or alter the priority of -+ processes outside the chroot. This provides more security than simply -+ removing CAP_SYS_NICE from the process' capability set. If the -+ sysctl option is enabled, a sysctl option with name "chroot_restrict_nice" -+ is created. -+ -+config GRKERNSEC_CHROOT_SYSCTL -+ bool "Deny sysctl writes" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, an attacker in a chroot will not be able to -+ write to sysctl entries, either by sysctl(2) or through a /proc -+ interface. It is strongly recommended that you say Y here. If the -+ sysctl option is enabled, a sysctl option with name -+ "chroot_deny_sysctl" is created. -+ -+config GRKERNSEC_CHROOT_RENAME -+ bool "Deny bad renames" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, an attacker in a chroot will not be able to -+ abuse the ability to create double chroots to break out of the -+ chroot by exploiting a race condition between a rename of a directory -+ within a chroot against an open of a symlink with relative path -+ components. This feature will likewise prevent an accomplice outside -+ a chroot from enabling a user inside the chroot to break out and make -+ use of their credentials on the global filesystem. Enabling this -+ feature is essential to prevent root users from breaking out of a -+ chroot. If the sysctl option is enabled, a sysctl option with name -+ "chroot_deny_bad_rename" is created. -+ -+config GRKERNSEC_CHROOT_CAPS -+ bool "Capability restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, the capabilities on all processes within a -+ chroot jail will be lowered to stop module insertion, raw i/o, -+ system and net admin tasks, rebooting the system, modifying immutable -+ files, modifying IPC owned by another, and changing the system time. -+ This is left an option because it can break some apps. Disable this -+ if your chrooted apps are having problems performing those kinds of -+ tasks. If the sysctl option is enabled, a sysctl option with -+ name "chroot_caps" is created. -+ -+config GRKERNSEC_CHROOT_INITRD -+ bool "Exempt initrd tasks from restrictions" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_CHROOT && BLK_DEV_INITRD -+ help -+ If you say Y here, tasks started prior to init will be exempted from -+ grsecurity's chroot restrictions. This option is mainly meant to -+ resolve Plymouth's performing privileged operations unnecessarily -+ in a chroot. -+ -+endmenu -+menu "Kernel Auditing" -+depends on GRKERNSEC -+ -+config GRKERNSEC_AUDIT_GROUP -+ bool "Single group for auditing" -+ help -+ If you say Y here, the exec and chdir logging features will only operate -+ on a group you specify. This option is recommended if you only want to -+ watch certain users instead of having a large amount of logs from the -+ entire system. If the sysctl option is enabled, a sysctl option with -+ name "audit_group" is created. -+ -+config GRKERNSEC_AUDIT_GID -+ int "GID for auditing" -+ depends on GRKERNSEC_AUDIT_GROUP -+ default 1007 -+ -+config GRKERNSEC_EXECLOG -+ bool "Exec logging" -+ help -+ If you say Y here, all execve() calls will be logged (since the -+ other exec*() calls are frontends to execve(), all execution -+ will be logged). Useful for shell-servers that like to keep track -+ of their users. If the sysctl option is enabled, a sysctl option with -+ name "exec_logging" is created. -+ WARNING: This option when enabled will produce a LOT of logs, especially -+ on an active system. -+ -+config GRKERNSEC_RESLOG -+ bool "Resource logging" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, all attempts to overstep resource limits will -+ be logged with the resource name, the requested size, and the current -+ limit. It is highly recommended that you say Y here. If the sysctl -+ option is enabled, a sysctl option with name "resource_logging" is -+ created. If the RBAC system is enabled, the sysctl value is ignored. -+ -+config GRKERNSEC_CHROOT_EXECLOG -+ bool "Log execs within chroot" -+ help -+ If you say Y here, all executions inside a chroot jail will be logged -+ to syslog. This can cause a large amount of logs if certain -+ applications (eg. djb's daemontools) are installed on the system, and -+ is therefore left as an option. If the sysctl option is enabled, a -+ sysctl option with name "chroot_execlog" is created. -+ -+config GRKERNSEC_AUDIT_PTRACE -+ bool "Ptrace logging" -+ help -+ If you say Y here, all attempts to attach to a process via ptrace -+ will be logged. If the sysctl option is enabled, a sysctl option -+ with name "audit_ptrace" is created. -+ -+config GRKERNSEC_AUDIT_CHDIR -+ bool "Chdir logging" -+ help -+ If you say Y here, all chdir() calls will be logged. If the sysctl -+ option is enabled, a sysctl option with name "audit_chdir" is created. -+ -+config GRKERNSEC_AUDIT_MOUNT -+ bool "(Un)Mount logging" -+ help -+ If you say Y here, all mounts and unmounts will be logged. If the -+ sysctl option is enabled, a sysctl option with name "audit_mount" is -+ created. -+ -+config GRKERNSEC_SIGNAL -+ bool "Signal logging" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, certain important signals will be logged, such as -+ SIGSEGV, which will as a result inform you of when a error in a program -+ occurred, which in some cases could mean a possible exploit attempt. -+ If the sysctl option is enabled, a sysctl option with name -+ "signal_logging" is created. -+ -+config GRKERNSEC_FORKFAIL -+ bool "Fork failure logging" -+ help -+ If you say Y here, all failed fork() attempts will be logged. -+ This could suggest a fork bomb, or someone attempting to overstep -+ their process limit. If the sysctl option is enabled, a sysctl option -+ with name "forkfail_logging" is created. -+ -+config GRKERNSEC_TIME -+ bool "Time change logging" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, any changes of the system clock will be logged. -+ If the sysctl option is enabled, a sysctl option with name -+ "timechange_logging" is created. -+ -+config GRKERNSEC_PROC_IPADDR -+ bool "/proc/<pid>/ipaddr support" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, a new entry will be added to each /proc/<pid> -+ directory that contains the IP address of the person using the task. -+ The IP is carried across local TCP and AF_UNIX stream sockets. -+ This information can be useful for IDS/IPSes to perform remote response -+ to a local attack. The entry is readable by only the owner of the -+ process (and root if he has CAP_DAC_OVERRIDE, which can be removed via -+ the RBAC system), and thus does not create privacy concerns. -+ -+config GRKERNSEC_RWXMAP_LOG -+ bool 'Denied RWX mmap/mprotect logging' -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_MPROTECT && !PAX_EMUPLT && !PAX_EMUSIGRT -+ help -+ If you say Y here, calls to mmap() and mprotect() with explicit -+ usage of PROT_WRITE and PROT_EXEC together will be logged when -+ denied by the PAX_MPROTECT feature. This feature will also -+ log other problematic scenarios that can occur when PAX_MPROTECT -+ is enabled on a binary, like textrels and PT_GNU_STACK. If the -+ sysctl option is enabled, a sysctl option with name "rwxmap_logging" -+ is created. -+ -+endmenu -+ -+menu "Executable Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_DMESG -+ bool "Dmesg(8) restriction" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, non-root users will not be able to use dmesg(8) -+ to view the contents of the kernel's circular log buffer. -+ The kernel's log buffer often contains kernel addresses and other -+ identifying information useful to an attacker in fingerprinting a -+ system for a targeted exploit. -+ If the sysctl option is enabled, a sysctl option with name "dmesg" is -+ created. -+ -+config GRKERNSEC_HARDEN_PTRACE -+ bool "Deter ptrace-based process snooping" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, TTY sniffers and other malicious monitoring -+ programs implemented through ptrace will be defeated. If you -+ have been using the RBAC system, this option has already been -+ enabled for several years for all users, with the ability to make -+ fine-grained exceptions. -+ -+ This option only affects the ability of non-root users to ptrace -+ processes that are not a descendent of the ptracing process. -+ This means that strace ./binary and gdb ./binary will still work, -+ but attaching to arbitrary processes will not. If the sysctl -+ option is enabled, a sysctl option with name "harden_ptrace" is -+ created. -+ -+config GRKERNSEC_PTRACE_READEXEC -+ bool "Require read access to ptrace sensitive binaries" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, unprivileged users will not be able to ptrace unreadable -+ binaries. This option is useful in environments that -+ remove the read bits (e.g. file mode 4711) from suid binaries to -+ prevent infoleaking of their contents. This option adds -+ consistency to the use of that file mode, as the binary could normally -+ be read out when run without privileges while ptracing. -+ -+ If the sysctl option is enabled, a sysctl option with name "ptrace_readexec" -+ is created. -+ -+config GRKERNSEC_SETXID -+ bool "Enforce consistent multithreaded privileges" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on (X86 || SPARC64 || PPC || ARM || MIPS) -+ help -+ If you say Y here, a change from a root uid to a non-root uid -+ in a multithreaded application will cause the resulting uids, -+ gids, supplementary groups, and capabilities in that thread -+ to be propagated to the other threads of the process. In most -+ cases this is unnecessary, as glibc will emulate this behavior -+ on behalf of the application. Other libcs do not act in the -+ same way, allowing the other threads of the process to continue -+ running with root privileges. If the sysctl option is enabled, -+ a sysctl option with name "consistent_setxid" is created. -+ -+config GRKERNSEC_HARDEN_IPC -+ bool "Disallow access to overly-permissive IPC objects" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on SYSVIPC -+ help -+ If you say Y here, access to overly-permissive IPC objects (shared -+ memory, message queues, and semaphores) will be denied for processes -+ given the following criteria beyond normal permission checks: -+ 1) If the IPC object is world-accessible and the euid doesn't match -+ that of the creator or current uid for the IPC object -+ 2) If the IPC object is group-accessible and the egid doesn't -+ match that of the creator or current gid for the IPC object -+ It's a common error to grant too much permission to these objects, -+ with impact ranging from denial of service and information leaking to -+ privilege escalation. This feature was developed in response to -+ research by Tim Brown: -+ http://labs.portcullis.co.uk/whitepapers/memory-squatting-attacks-on-system-... -+ who found hundreds of such insecure usages. Processes with -+ CAP_IPC_OWNER are still permitted to access these IPC objects. -+ If the sysctl option is enabled, a sysctl option with name -+ "harden_ipc" is created. -+ -+config GRKERNSEC_TPE -+ bool "Trusted Path Execution (TPE)" -+ default y if GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_SERVER -+ help -+ If you say Y here, you will be able to choose a gid to add to the -+ supplementary groups of users you want to mark as "untrusted." -+ These users will not be able to execute any files that are not in -+ root-owned directories writable only by root. If the sysctl option -+ is enabled, a sysctl option with name "tpe" is created. -+ -+config GRKERNSEC_TPE_ALL -+ bool "Partially restrict all non-root users" -+ depends on GRKERNSEC_TPE -+ help -+ If you say Y here, all non-root users will be covered under -+ a weaker TPE restriction. This is separate from, and in addition to, -+ the main TPE options that you have selected elsewhere. Thus, if a -+ "trusted" GID is chosen, this restriction applies to even that GID. -+ Under this restriction, all non-root users will only be allowed to -+ execute files in directories they own that are not group or -+ world-writable, or in directories owned by root and writable only by -+ root. If the sysctl option is enabled, a sysctl option with name -+ "tpe_restrict_all" is created. -+ -+config GRKERNSEC_TPE_INVERT -+ bool "Invert GID option" -+ depends on GRKERNSEC_TPE -+ help -+ If you say Y here, the group you specify in the TPE configuration will -+ decide what group TPE restrictions will be *disabled* for. This -+ option is useful if you want TPE restrictions to be applied to most -+ users on the system. If the sysctl option is enabled, a sysctl option -+ with name "tpe_invert" is created. Unlike other sysctl options, this -+ entry will default to on for backward-compatibility. -+ -+config GRKERNSEC_TPE_GID -+ int -+ default GRKERNSEC_TPE_UNTRUSTED_GID if (GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT) -+ default GRKERNSEC_TPE_TRUSTED_GID if (GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT) -+ -+config GRKERNSEC_TPE_UNTRUSTED_GID -+ int "GID for TPE-untrusted users" -+ depends on GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT -+ default 1005 -+ help -+ Setting this GID determines what group TPE restrictions will be -+ *enabled* for. If the sysctl option is enabled, a sysctl option -+ with name "tpe_gid" is created. -+ -+config GRKERNSEC_TPE_TRUSTED_GID -+ int "GID for TPE-trusted users" -+ depends on GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT -+ default 1005 -+ help -+ Setting this GID determines what group TPE restrictions will be -+ *disabled* for. If the sysctl option is enabled, a sysctl option -+ with name "tpe_gid" is created. -+ -+endmenu -+menu "Network Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_BLACKHOLE -+ bool "TCP/UDP blackhole and LAST_ACK DoS prevention" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on NET -+ help -+ If you say Y here, neither TCP resets nor ICMP -+ destination-unreachable packets will be sent in response to packets -+ sent to ports for which no associated listening process exists. -+ It will also prevent the sending of ICMP protocol unreachable packets -+ in response to packets with unknown protocols. -+ This feature supports both IPV4 and IPV6 and exempts the -+ loopback interface from blackholing. Enabling this feature -+ makes a host more resilient to DoS attacks and reduces network -+ visibility against scanners. -+ -+ The blackhole feature as-implemented is equivalent to the FreeBSD -+ blackhole feature, as it prevents RST responses to all packets, not -+ just SYNs. Under most application behavior this causes no -+ problems, but applications (like haproxy) may not close certain -+ connections in a way that cleanly terminates them on the remote -+ end, leaving the remote host in LAST_ACK state. Because of this -+ side-effect and to prevent intentional LAST_ACK DoSes, this -+ feature also adds automatic mitigation against such attacks. -+ The mitigation drastically reduces the amount of time a socket -+ can spend in LAST_ACK state. If you're using haproxy and not -+ all servers it connects to have this option enabled, consider -+ disabling this feature on the haproxy host. -+ -+ If the sysctl option is enabled, two sysctl options with names -+ "ip_blackhole" and "lastack_retries" will be created. -+ While "ip_blackhole" takes the standard zero/non-zero on/off -+ toggle, "lastack_retries" uses the same kinds of values as -+ "tcp_retries1" and "tcp_retries2". The default value of 4 -+ prevents a socket from lasting more than 45 seconds in LAST_ACK -+ state. -+ -+config GRKERNSEC_NO_SIMULT_CONNECT -+ bool "Disable TCP Simultaneous Connect" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on NET -+ help -+ If you say Y here, a feature by Willy Tarreau will be enabled that -+ removes a weakness in Linux's strict implementation of TCP that -+ allows two clients to connect to each other without either entering -+ a listening state. The weakness allows an attacker to easily prevent -+ a client from connecting to a known server provided the source port -+ for the connection is guessed correctly. -+ -+ As the weakness could be used to prevent an antivirus or IPS from -+ fetching updates, or prevent an SSL gateway from fetching a CRL, -+ it should be eliminated by enabling this option. Though Linux is -+ one of few operating systems supporting simultaneous connect, it -+ has no legitimate use in practice and is rarely supported by firewalls. -+ -+config GRKERNSEC_SOCKET -+ bool "Socket restrictions" -+ depends on NET -+ help -+ If you say Y here, you will be able to choose from several options. -+ If you assign a GID on your system and add it to the supplementary -+ groups of users you want to restrict socket access to, this patch -+ will perform up to three things, based on the option(s) you choose. -+ -+config GRKERNSEC_SOCKET_ALL -+ bool "Deny any sockets to group" -+ depends on GRKERNSEC_SOCKET -+ help -+ If you say Y here, you will be able to choose a GID of whose users will -+ be unable to connect to other hosts from your machine or run server -+ applications from your machine. If the sysctl option is enabled, a -+ sysctl option with name "socket_all" is created. -+ -+config GRKERNSEC_SOCKET_ALL_GID -+ int "GID to deny all sockets for" -+ depends on GRKERNSEC_SOCKET_ALL -+ default 1004 -+ help -+ Here you can choose the GID to disable socket access for. Remember to -+ add the users you want socket access disabled for to the GID -+ specified here. If the sysctl option is enabled, a sysctl option -+ with name "socket_all_gid" is created. -+ -+config GRKERNSEC_SOCKET_CLIENT -+ bool "Deny client sockets to group" -+ depends on GRKERNSEC_SOCKET -+ help -+ If you say Y here, you will be able to choose a GID of whose users will -+ be unable to connect to other hosts from your machine, but will be -+ able to run servers. If this option is enabled, all users in the group -+ you specify will have to use passive mode when initiating ftp transfers -+ from the shell on your machine. If the sysctl option is enabled, a -+ sysctl option with name "socket_client" is created. -+ -+config GRKERNSEC_SOCKET_CLIENT_GID -+ int "GID to deny client sockets for" -+ depends on GRKERNSEC_SOCKET_CLIENT -+ default 1003 -+ help -+ Here you can choose the GID to disable client socket access for. -+ Remember to add the users you want client socket access disabled for to -+ the GID specified here. If the sysctl option is enabled, a sysctl -+ option with name "socket_client_gid" is created. -+ -+config GRKERNSEC_SOCKET_SERVER -+ bool "Deny server sockets to group" -+ depends on GRKERNSEC_SOCKET -+ help -+ If you say Y here, you will be able to choose a GID of whose users will -+ be unable to run server applications from your machine. If the sysctl -+ option is enabled, a sysctl option with name "socket_server" is created. -+ -+config GRKERNSEC_SOCKET_SERVER_GID -+ int "GID to deny server sockets for" -+ depends on GRKERNSEC_SOCKET_SERVER -+ default 1002 -+ help -+ Here you can choose the GID to disable server socket access for. -+ Remember to add the users you want server socket access disabled for to -+ the GID specified here. If the sysctl option is enabled, a sysctl -+ option with name "socket_server_gid" is created. -+ -+endmenu -+ -+menu "Physical Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_DENYUSB -+ bool "Deny new USB connections after toggle" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on SYSCTL && USB_SUPPORT -+ help -+ If you say Y here, a new sysctl option with name "deny_new_usb" -+ will be created. Setting its value to 1 will prevent any new -+ USB devices from being recognized by the OS. Any attempted USB -+ device insertion will be logged. This option is intended to be -+ used against custom USB devices designed to exploit vulnerabilities -+ in various USB device drivers. -+ -+ For greatest effectiveness, this sysctl should be set after any -+ relevant init scripts. This option is safe to enable in distros -+ as each user can choose whether or not to toggle the sysctl. -+ -+config GRKERNSEC_DENYUSB_FORCE -+ bool "Reject all USB devices not connected at boot" -+ select USB -+ depends on GRKERNSEC_DENYUSB -+ help -+ If you say Y here, a variant of GRKERNSEC_DENYUSB will be enabled -+ that doesn't involve a sysctl entry. This option should only be -+ enabled if you're sure you want to deny all new USB connections -+ at runtime and don't want to modify init scripts. This should not -+ be enabled by distros. It forces the core USB code to be built -+ into the kernel image so that all devices connected at boot time -+ can be recognized and new USB device connections can be prevented -+ prior to init running. -+ -+endmenu -+ -+menu "Sysctl Support" -+depends on GRKERNSEC && SYSCTL -+ -+config GRKERNSEC_SYSCTL -+ bool "Sysctl support" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ If you say Y here, you will be able to change the options that -+ grsecurity runs with at bootup, without having to recompile your -+ kernel. You can echo values to files in /proc/sys/kernel/grsecurity -+ to enable (1) or disable (0) various features. All the sysctl entries -+ are mutable until the "grsec_lock" entry is set to a non-zero value. -+ All features enabled in the kernel configuration are disabled at boot -+ if you do not say Y to the "Turn on features by default" option. -+ All options should be set at startup, and the grsec_lock entry should -+ be set to a non-zero value after all the options are set. -+ *THIS IS EXTREMELY IMPORTANT* -+ -+config GRKERNSEC_SYSCTL_DISTRO -+ bool "Extra sysctl support for distro makers (READ HELP)" -+ depends on GRKERNSEC_SYSCTL && GRKERNSEC_IO -+ help -+ If you say Y here, additional sysctl options will be created -+ for features that affect processes running as root. Therefore, -+ it is critical when using this option that the grsec_lock entry be -+ enabled after boot. Only distros with prebuilt kernel packages -+ with this option enabled that can ensure grsec_lock is enabled -+ after boot should use this option. -+ *Failure to set grsec_lock after boot makes all grsec features -+ this option covers useless* -+ -+ Currently this option creates the following sysctl entries: -+ "Disable Privileged I/O": "disable_priv_io" -+ -+config GRKERNSEC_SYSCTL_ON -+ bool "Turn on features by default" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC_SYSCTL -+ help -+ If you say Y here, instead of having all features enabled in the -+ kernel configuration disabled at boot time, the features will be -+ enabled at boot time. It is recommended you say Y here unless -+ there is some reason you would want all sysctl-tunable features to -+ be disabled by default. As mentioned elsewhere, it is important -+ to enable the grsec_lock entry once you have finished modifying -+ the sysctl entries. -+ -+endmenu -+menu "Logging Options" -+depends on GRKERNSEC -+ -+config GRKERNSEC_FLOODTIME -+ int "Seconds in between log messages (minimum)" -+ default 10 -+ help -+ This option allows you to enforce the number of seconds between -+ grsecurity log messages. The default should be suitable for most -+ people, however, if you choose to change it, choose a value small enough -+ to allow informative logs to be produced, but large enough to -+ prevent flooding. -+ -+ Setting both this value and GRKERNSEC_FLOODBURST to 0 will disable -+ any rate limiting on grsecurity log messages. -+ -+config GRKERNSEC_FLOODBURST -+ int "Number of messages in a burst (maximum)" -+ default 6 -+ help -+ This option allows you to choose the maximum number of messages allowed -+ within the flood time interval you chose in a separate option. The -+ default should be suitable for most people, however if you find that -+ many of your logs are being interpreted as flooding, you may want to -+ raise this value. -+ -+ Setting both this value and GRKERNSEC_FLOODTIME to 0 will disable -+ any rate limiting on grsecurity log messages. -+ -+endmenu -diff --git a/grsecurity/Makefile b/grsecurity/Makefile -new file mode 100644 -index 0000000..30ababb ---- /dev/null -+++ b/grsecurity/Makefile -@@ -0,0 +1,54 @@ -+# grsecurity – access control and security hardening for Linux -+# All code in this directory and various hooks located throughout the Linux kernel are -+# Copyright (C) 2001-2014 Bradley Spengler, Open Source Security, Inc. -+# http://www.grsecurity.net spender@grsecurity.net -+# -+# This program is free software; you can redistribute it and/or -+# modify it under the terms of the GNU General Public License version 2 -+# as published by the Free Software Foundation. -+# -+# This program is distributed in the hope that it will be useful, -+# but WITHOUT ANY WARRANTY; without even the implied warranty of -+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -+# GNU General Public License for more details. -+# -+# You should have received a copy of the GNU General Public License -+# along with this program; if not, write to the Free Software -+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. -+ -+KBUILD_CFLAGS += -Werror -+ -+obj-y = grsec_chdir.o grsec_chroot.o grsec_exec.o grsec_fifo.o grsec_fork.o \ -+ grsec_mount.o grsec_sig.o grsec_sysctl.o \ -+ grsec_time.o grsec_tpe.o grsec_link.o grsec_pax.o grsec_ptrace.o \ -+ grsec_usb.o grsec_ipc.o grsec_proc.o -+ -+obj-$(CONFIG_GRKERNSEC) += grsec_init.o grsum.o gracl.o gracl_segv.o \ -+ gracl_cap.o gracl_alloc.o gracl_shm.o grsec_mem.o gracl_fs.o \ -+ gracl_learn.o grsec_log.o gracl_policy.o -+ifdef CONFIG_COMPAT -+obj-$(CONFIG_GRKERNSEC) += gracl_compat.o -+endif -+ -+obj-$(CONFIG_GRKERNSEC_RESLOG) += gracl_res.o -+ -+ifdef CONFIG_NET -+obj-y += grsec_sock.o -+obj-$(CONFIG_GRKERNSEC) += gracl_ip.o -+endif -+ -+ifndef CONFIG_GRKERNSEC -+obj-y += grsec_disabled.o -+endif -+ -+ifdef CONFIG_GRKERNSEC_HIDESYM -+extra-y := grsec_hidesym.o -+$(obj)/grsec_hidesym.o: -+ @-chmod -f 500 /boot -+ @-chmod -f 500 /lib/modules -+ @-chmod -f 500 /lib64/modules -+ @-chmod -f 500 /lib32/modules -+ @-chmod -f 700 . -+ @-chmod -f 700 $(objtree) -+ @echo ' grsec: protected kernel image paths' -+endif -diff --git a/grsecurity/gracl.c b/grsecurity/gracl.c -new file mode 100644 -index 0000000..7ad630a ---- /dev/null -+++ b/grsecurity/gracl.c -@@ -0,0 +1,2757 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/namei.h> -+#include <linux/mount.h> -+#include <linux/tty.h> -+#include <linux/proc_fs.h> -+#include <linux/lglock.h> -+#include <linux/slab.h> -+#include <linux/vmalloc.h> -+#include <linux/types.h> -+#include <linux/sysctl.h> -+#include <linux/netdevice.h> -+#include <linux/ptrace.h> -+#include <linux/gracl.h> -+#include <linux/gralloc.h> -+#include <linux/security.h> -+#include <linux/grinternal.h> -+#include <linux/pid_namespace.h> -+#include <linux/stop_machine.h> -+#include <linux/fdtable.h> -+#include <linux/percpu.h> -+#include <linux/lglock.h> -+#include <linux/hugetlb.h> -+#include <linux/posix-timers.h> -+#include <linux/prefetch.h> -+#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE) -+#include <linux/magic.h> -+#include <linux/pagemap.h> -+#include "../fs/btrfs/async-thread.h" -+#include "../fs/btrfs/ctree.h" -+#include "../fs/btrfs/btrfs_inode.h" -+#endif -+#include "../fs/mount.h" -+ -+#include <asm/uaccess.h> -+#include <asm/errno.h> -+#include <asm/mman.h> -+ -+#define FOR_EACH_ROLE_START(role) \ -+ role = running_polstate.role_list; \ -+ while (role) { -+ -+#define FOR_EACH_ROLE_END(role) \ -+ role = role->prev; \ -+ } -+ -+extern struct path gr_real_root; -+ -+static struct gr_policy_state running_polstate; -+struct gr_policy_state *polstate = &running_polstate; -+extern struct gr_alloc_state *current_alloc_state; -+ -+extern char *gr_shared_page[4]; -+DEFINE_RWLOCK(gr_inode_lock); -+ -+static unsigned int gr_status __read_only = GR_STATUS_INIT; -+ -+#ifdef CONFIG_NET -+extern struct vfsmount *sock_mnt; -+#endif -+ -+extern struct vfsmount *pipe_mnt; -+extern struct vfsmount *shm_mnt; -+ -+#ifdef CONFIG_HUGETLBFS -+extern struct vfsmount *hugetlbfs_vfsmount[HUGE_MAX_HSTATE]; -+#endif -+ -+extern u16 acl_sp_role_value; -+extern struct acl_object_label *fakefs_obj_rw; -+extern struct acl_object_label *fakefs_obj_rwx; -+ -+int gr_acl_is_enabled(void) -+{ -+ return (gr_status & GR_READY); -+} -+ -+void gr_enable_rbac_system(void) -+{ -+ pax_open_kernel(); -+ gr_status |= GR_READY; -+ pax_close_kernel(); -+} -+ -+int gr_rbac_disable(void *unused) -+{ -+ pax_open_kernel(); -+ gr_status &= ~GR_READY; -+ pax_close_kernel(); -+ -+ return 0; -+} -+ -+static inline dev_t __get_dev(const struct dentry *dentry) -+{ -+ struct dentry *ldentry = d_backing_dentry((struct dentry *)dentry); -+ -+#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE) -+ if (ldentry->d_sb->s_magic == BTRFS_SUPER_MAGIC) -+ return BTRFS_I(d_inode(ldentry))->root->anon_dev; -+ else -+#endif -+ return d_inode(ldentry)->i_sb->s_dev; -+} -+ -+static inline u64 __get_ino(const struct dentry *dentry) -+{ -+ struct dentry *ldentry = d_backing_dentry((struct dentry *)dentry); -+ -+#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE) -+ if (ldentry->d_sb->s_magic == BTRFS_SUPER_MAGIC) -+ return btrfs_ino(d_inode(dentry)); -+ else -+#endif -+ return d_inode(ldentry)->i_ino; -+} -+ -+dev_t gr_get_dev_from_dentry(struct dentry *dentry) -+{ -+ return __get_dev(dentry); -+} -+ -+u64 gr_get_ino_from_dentry(struct dentry *dentry) -+{ -+ return __get_ino(dentry); -+} -+ -+static char gr_task_roletype_to_char(struct task_struct *task) -+{ -+ switch (task->role->roletype & -+ (GR_ROLE_DEFAULT | GR_ROLE_USER | GR_ROLE_GROUP | -+ GR_ROLE_SPECIAL)) { -+ case GR_ROLE_DEFAULT: -+ return 'D'; -+ case GR_ROLE_USER: -+ return 'U'; -+ case GR_ROLE_GROUP: -+ return 'G'; -+ case GR_ROLE_SPECIAL: -+ return 'S'; -+ } -+ -+ return 'X'; -+} -+ -+char gr_roletype_to_char(void) -+{ -+ return gr_task_roletype_to_char(current); -+} -+ -+int -+gr_acl_tpe_check(void) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ if (current->role->roletype & GR_ROLE_TPE) -+ return 1; -+ else -+ return 0; -+} -+ -+int -+gr_handle_rawio(const struct inode *inode) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ if (inode && (S_ISBLK(inode->i_mode) || (S_ISCHR(inode->i_mode) && imajor(inode) == RAW_MAJOR)) && -+ grsec_enable_chroot_caps && proc_is_chrooted(current) && -+ !capable(CAP_SYS_RAWIO)) -+ return 1; -+#endif -+ return 0; -+} -+ -+int -+gr_streq(const char *a, const char *b, const unsigned int lena, const unsigned int lenb) -+{ -+ if (likely(lena != lenb)) -+ return 0; -+ -+ return !memcmp(a, b, lena); -+} -+ -+static int prepend(char **buffer, int *buflen, const char *str, int namelen) -+{ -+ *buflen -= namelen; -+ if (*buflen < 0) -+ return -ENAMETOOLONG; -+ *buffer -= namelen; -+ memcpy(*buffer, str, namelen); -+ return 0; -+} -+ -+static int prepend_name(char **buffer, int *buflen, struct qstr *name) -+{ -+ return prepend(buffer, buflen, name->name, name->len); -+} -+ -+static int prepend_path(const struct path *path, struct path *root, -+ char **buffer, int *buflen) -+{ -+ struct dentry *dentry = path->dentry; -+ struct vfsmount *vfsmnt = path->mnt; -+ struct mount *mnt = real_mount(vfsmnt); -+ bool slash = false; -+ int error = 0; -+ -+ while (dentry != root->dentry || vfsmnt != root->mnt) { -+ struct dentry * parent; -+ -+ if (dentry == vfsmnt->mnt_root || IS_ROOT(dentry)) { -+ /* Global root? */ -+ if (!mnt_has_parent(mnt)) { -+ goto out; -+ } -+ dentry = mnt->mnt_mountpoint; -+ mnt = mnt->mnt_parent; -+ vfsmnt = &mnt->mnt; -+ continue; -+ } -+ parent = dentry->d_parent; -+ prefetch(parent); -+ spin_lock(&dentry->d_lock); -+ error = prepend_name(buffer, buflen, &dentry->d_name); -+ spin_unlock(&dentry->d_lock); -+ if (!error) -+ error = prepend(buffer, buflen, "/", 1); -+ if (error) -+ break; -+ -+ slash = true; -+ dentry = parent; -+ } -+ -+out: -+ if (!error && !slash) -+ error = prepend(buffer, buflen, "/", 1); -+ -+ return error; -+} -+ -+/* this must be called with mount_lock and rename_lock held */ -+ -+static char *__our_d_path(const struct path *path, struct path *root, -+ char *buf, int buflen) -+{ -+ char *res = buf + buflen; -+ int error; -+ -+ prepend(&res, &buflen, "\0", 1); -+ error = prepend_path(path, root, &res, &buflen); -+ if (error) -+ return ERR_PTR(error); -+ -+ return res; -+} -+ -+static char * -+gen_full_path(struct path *path, struct path *root, char *buf, int buflen) -+{ -+ char *retval; -+ -+ retval = __our_d_path(path, root, buf, buflen); -+ if (unlikely(IS_ERR(retval))) -+ retval = strcpy(buf, "<path too long>"); -+ else if (unlikely(retval[1] == '/' && retval[2] == '\0')) -+ retval[1] = '\0'; -+ -+ return retval; -+} -+ -+static char * -+__d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt, -+ char *buf, int buflen) -+{ -+ struct path path; -+ char *res; -+ -+ path.dentry = (struct dentry *)dentry; -+ path.mnt = (struct vfsmount *)vfsmnt; -+ -+ /* we can use gr_real_root.dentry, gr_real_root.mnt, because this is only called -+ by the RBAC system */ -+ res = gen_full_path(&path, &gr_real_root, buf, buflen); -+ -+ return res; -+} -+ -+static char * -+d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt, -+ char *buf, int buflen) -+{ -+ char *res; -+ struct path path; -+ struct path root; -+ struct task_struct *reaper = init_pid_ns.child_reaper; -+ -+ path.dentry = (struct dentry *)dentry; -+ path.mnt = (struct vfsmount *)vfsmnt; -+ -+ /* we can't use gr_real_root.dentry, gr_real_root.mnt, because they belong only to the RBAC system */ -+ get_fs_root(reaper->fs, &root); -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ res = gen_full_path(&path, &root, buf, buflen); -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+ -+ path_put(&root); -+ return res; -+} -+ -+char * -+gr_to_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ char *ret; -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ ret = __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()), -+ PAGE_SIZE); -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+ return ret; -+} -+ -+static char * -+gr_to_proc_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ char *ret; -+ char *buf; -+ int buflen; -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ buf = per_cpu_ptr(gr_shared_page[0], smp_processor_id()); -+ ret = __d_real_path(dentry, mnt, buf, PAGE_SIZE - 6); -+ buflen = (int)(ret - buf); -+ if (buflen >= 5) -+ prepend(&ret, &buflen, "/proc", 5); -+ else -+ ret = strcpy(buf, "<path too long>"); -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+ return ret; -+} -+ -+char * -+gr_to_filename_nolock(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename1(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[1], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename2(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[2], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename3(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[3], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+__u32 -+to_gr_audit(const __u32 reqmode) -+{ -+ /* masks off auditable permission flags, then shifts them to create -+ auditing flags, and adds the special case of append auditing if -+ we're requesting write */ -+ return (((reqmode & ~GR_AUDITS) << 10) | ((reqmode & GR_WRITE) ? GR_AUDIT_APPEND : 0)); -+} -+ -+struct acl_role_label * -+__lookup_acl_role_label(const struct gr_policy_state *state, const struct task_struct *task, const uid_t uid, -+ const gid_t gid) -+{ -+ unsigned int index = gr_rhash(uid, GR_ROLE_USER, state->acl_role_set.r_size); -+ struct acl_role_label *match; -+ struct role_allowed_ip *ipp; -+ unsigned int x; -+ u32 curr_ip = task->signal->saved_ip; -+ -+ match = state->acl_role_set.r_hash[index]; -+ -+ while (match) { -+ if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_USER)) == (GR_ROLE_DOMAIN | GR_ROLE_USER)) { -+ for (x = 0; x < match->domain_child_num; x++) { -+ if (match->domain_children[x] == uid) -+ goto found; -+ } -+ } else if (match->uidgid == uid && match->roletype & GR_ROLE_USER) -+ break; -+ match = match->next; -+ } -+found: -+ if (match == NULL) { -+ try_group: -+ index = gr_rhash(gid, GR_ROLE_GROUP, state->acl_role_set.r_size); -+ match = state->acl_role_set.r_hash[index]; -+ -+ while (match) { -+ if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) == (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) { -+ for (x = 0; x < match->domain_child_num; x++) { -+ if (match->domain_children[x] == gid) -+ goto found2; -+ } -+ } else if (match->uidgid == gid && match->roletype & GR_ROLE_GROUP) -+ break; -+ match = match->next; -+ } -+found2: -+ if (match == NULL) -+ match = state->default_role; -+ if (match->allowed_ips == NULL) -+ return match; -+ else { -+ for (ipp = match->allowed_ips; ipp; ipp = ipp->next) { -+ if (likely -+ ((ntohl(curr_ip) & ipp->netmask) == -+ (ntohl(ipp->addr) & ipp->netmask))) -+ return match; -+ } -+ match = state->default_role; -+ } -+ } else if (match->allowed_ips == NULL) { -+ return match; -+ } else { -+ for (ipp = match->allowed_ips; ipp; ipp = ipp->next) { -+ if (likely -+ ((ntohl(curr_ip) & ipp->netmask) == -+ (ntohl(ipp->addr) & ipp->netmask))) -+ return match; -+ } -+ goto try_group; -+ } -+ -+ return match; -+} -+ -+static struct acl_role_label * -+lookup_acl_role_label(const struct task_struct *task, const uid_t uid, -+ const gid_t gid) -+{ -+ return __lookup_acl_role_label(&running_polstate, task, uid, gid); -+} -+ -+struct acl_subject_label * -+lookup_acl_subj_label(const u64 ino, const dev_t dev, -+ const struct acl_role_label *role) -+{ -+ unsigned int index = gr_fhash(ino, dev, role->subj_hash_size); -+ struct acl_subject_label *match; -+ -+ match = role->subj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ (match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && !(match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+struct acl_subject_label * -+lookup_acl_subj_label_deleted(const u64 ino, const dev_t dev, -+ const struct acl_role_label *role) -+{ -+ unsigned int index = gr_fhash(ino, dev, role->subj_hash_size); -+ struct acl_subject_label *match; -+ -+ match = role->subj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ !(match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && (match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+static struct acl_object_label * -+lookup_acl_obj_label(const u64 ino, const dev_t dev, -+ const struct acl_subject_label *subj) -+{ -+ unsigned int index = gr_fhash(ino, dev, subj->obj_hash_size); -+ struct acl_object_label *match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ (match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && !(match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+static struct acl_object_label * -+lookup_acl_obj_label_create(const u64 ino, const dev_t dev, -+ const struct acl_subject_label *subj) -+{ -+ unsigned int index = gr_fhash(ino, dev, subj->obj_hash_size); -+ struct acl_object_label *match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ !(match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && (match->mode & GR_DELETED)) -+ return match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ (match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && !(match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+struct name_entry * -+__lookup_name_entry(const struct gr_policy_state *state, const char *name) -+{ -+ unsigned int len = strlen(name); -+ unsigned int key = full_name_hash(name, len); -+ unsigned int index = key % state->name_set.n_size; -+ struct name_entry *match; -+ -+ match = state->name_set.n_hash[index]; -+ -+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len))) -+ match = match->next; -+ -+ return match; -+} -+ -+static struct name_entry * -+lookup_name_entry(const char *name) -+{ -+ return __lookup_name_entry(&running_polstate, name); -+} -+ -+static struct name_entry * -+lookup_name_entry_create(const char *name) -+{ -+ unsigned int len = strlen(name); -+ unsigned int key = full_name_hash(name, len); -+ unsigned int index = key % running_polstate.name_set.n_size; -+ struct name_entry *match; -+ -+ match = running_polstate.name_set.n_hash[index]; -+ -+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) || -+ !match->deleted)) -+ match = match->next; -+ -+ if (match && match->deleted) -+ return match; -+ -+ match = running_polstate.name_set.n_hash[index]; -+ -+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) || -+ match->deleted)) -+ match = match->next; -+ -+ if (match && !match->deleted) -+ return match; -+ else -+ return NULL; -+} -+ -+static struct inodev_entry * -+lookup_inodev_entry(const u64 ino, const dev_t dev) -+{ -+ unsigned int index = gr_fhash(ino, dev, running_polstate.inodev_set.i_size); -+ struct inodev_entry *match; -+ -+ match = running_polstate.inodev_set.i_hash[index]; -+ -+ while (match && (match->nentry->inode != ino || match->nentry->device != dev)) -+ match = match->next; -+ -+ return match; -+} -+ -+void -+__insert_inodev_entry(const struct gr_policy_state *state, struct inodev_entry *entry) -+{ -+ unsigned int index = gr_fhash(entry->nentry->inode, entry->nentry->device, -+ state->inodev_set.i_size); -+ struct inodev_entry **curr; -+ -+ entry->prev = NULL; -+ -+ curr = &state->inodev_set.i_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = entry; -+ -+ entry->next = *curr; -+ *curr = entry; -+ -+ return; -+} -+ -+static void -+insert_inodev_entry(struct inodev_entry *entry) -+{ -+ __insert_inodev_entry(&running_polstate, entry); -+} -+ -+void -+insert_acl_obj_label(struct acl_object_label *obj, -+ struct acl_subject_label *subj) -+{ -+ unsigned int index = -+ gr_fhash(obj->inode, obj->device, subj->obj_hash_size); -+ struct acl_object_label **curr; -+ -+ obj->prev = NULL; -+ -+ curr = &subj->obj_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = obj; -+ -+ obj->next = *curr; -+ *curr = obj; -+ -+ return; -+} -+ -+void -+insert_acl_subj_label(struct acl_subject_label *obj, -+ struct acl_role_label *role) -+{ -+ unsigned int index = gr_fhash(obj->inode, obj->device, role->subj_hash_size); -+ struct acl_subject_label **curr; -+ -+ obj->prev = NULL; -+ -+ curr = &role->subj_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = obj; -+ -+ obj->next = *curr; -+ *curr = obj; -+ -+ return; -+} -+ -+/* derived from glibc fnmatch() 0: match, 1: no match*/ -+ -+static int -+glob_match(const char *p, const char *n) -+{ -+ char c; -+ -+ while ((c = *p++) != '\0') { -+ switch (c) { -+ case '?': -+ if (*n == '\0') -+ return 1; -+ else if (*n == '/') -+ return 1; -+ break; -+ case '\': -+ if (*n != c) -+ return 1; -+ break; -+ case '*': -+ for (c = *p++; c == '?' || c == '*'; c = *p++) { -+ if (*n == '/') -+ return 1; -+ else if (c == '?') { -+ if (*n == '\0') -+ return 1; -+ else -+ ++n; -+ } -+ } -+ if (c == '\0') { -+ return 0; -+ } else { -+ const char *endp; -+ -+ if ((endp = strchr(n, '/')) == NULL) -+ endp = n + strlen(n); -+ -+ if (c == '[') { -+ for (--p; n < endp; ++n) -+ if (!glob_match(p, n)) -+ return 0; -+ } else if (c == '/') { -+ while (*n != '\0' && *n != '/') -+ ++n; -+ if (*n == '/' && !glob_match(p, n + 1)) -+ return 0; -+ } else { -+ for (--p; n < endp; ++n) -+ if (*n == c && !glob_match(p, n)) -+ return 0; -+ } -+ -+ return 1; -+ } -+ case '[': -+ { -+ int not; -+ char cold; -+ -+ if (*n == '\0' || *n == '/') -+ return 1; -+ -+ not = (*p == '!' || *p == '^'); -+ if (not) -+ ++p; -+ -+ c = *p++; -+ for (;;) { -+ unsigned char fn = (unsigned char)*n; -+ -+ if (c == '\0') -+ return 1; -+ else { -+ if (c == fn) -+ goto matched; -+ cold = c; -+ c = *p++; -+ -+ if (c == '-' && *p != ']') { -+ unsigned char cend = *p++; -+ -+ if (cend == '\0') -+ return 1; -+ -+ if (cold <= fn && fn <= cend) -+ goto matched; -+ -+ c = *p++; -+ } -+ } -+ -+ if (c == ']') -+ break; -+ } -+ if (!not) -+ return 1; -+ break; -+ matched: -+ while (c != ']') { -+ if (c == '\0') -+ return 1; -+ -+ c = *p++; -+ } -+ if (not) -+ return 1; -+ } -+ break; -+ default: -+ if (c != *n) -+ return 1; -+ } -+ -+ ++n; -+ } -+ -+ if (*n == '\0') -+ return 0; -+ -+ if (*n == '/') -+ return 0; -+ -+ return 1; -+} -+ -+static struct acl_object_label * -+chk_glob_label(struct acl_object_label *globbed, -+ const struct dentry *dentry, const struct vfsmount *mnt, char **path) -+{ -+ struct acl_object_label *tmp; -+ -+ if (*path == NULL) -+ *path = gr_to_filename_nolock(dentry, mnt); -+ -+ tmp = globbed; -+ -+ while (tmp) { -+ if (!glob_match(tmp->filename, *path)) -+ return tmp; -+ tmp = tmp->next; -+ } -+ -+ return NULL; -+} -+ -+static struct acl_object_label * -+__full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt, -+ const u64 curr_ino, const dev_t curr_dev, -+ const struct acl_subject_label *subj, char **path, const int checkglob) -+{ -+ struct acl_subject_label *tmpsubj; -+ struct acl_object_label *retval; -+ struct acl_object_label *retval2; -+ -+ tmpsubj = (struct acl_subject_label *) subj; -+ read_lock(&gr_inode_lock); -+ do { -+ retval = lookup_acl_obj_label(curr_ino, curr_dev, tmpsubj); -+ if (retval) { -+ if (checkglob && retval->globbed) { -+ retval2 = chk_glob_label(retval->globbed, orig_dentry, orig_mnt, path); -+ if (retval2) -+ retval = retval2; -+ } -+ break; -+ } -+ } while ((tmpsubj = tmpsubj->parent_subject)); -+ read_unlock(&gr_inode_lock); -+ -+ return retval; -+} -+ -+static struct acl_object_label * -+full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt, -+ struct dentry *curr_dentry, -+ const struct acl_subject_label *subj, char **path, const int checkglob) -+{ -+ int newglob = checkglob; -+ u64 inode; -+ dev_t device; -+ -+ /* if we aren't checking a subdirectory of the original path yet, don't do glob checking -+ as we don't want a / * rule to match instead of the / object -+ don't do this for create lookups that call this function though, since they're looking up -+ on the parent and thus need globbing checks on all paths -+ */ -+ if (orig_dentry == curr_dentry && newglob != GR_CREATE_GLOB) -+ newglob = GR_NO_GLOB; -+ -+ spin_lock(&curr_dentry->d_lock); -+ inode = __get_ino(curr_dentry); -+ device = __get_dev(curr_dentry); -+ spin_unlock(&curr_dentry->d_lock); -+ -+ return __full_lookup(orig_dentry, orig_mnt, inode, device, subj, path, newglob); -+} -+ -+#ifdef CONFIG_HUGETLBFS -+static inline bool -+is_hugetlbfs_mnt(const struct vfsmount *mnt) -+{ -+ int i; -+ for (i = 0; i < HUGE_MAX_HSTATE; i++) { -+ if (unlikely(hugetlbfs_vfsmount[i] == mnt)) -+ return true; -+ } -+ -+ return false; -+} -+#endif -+ -+static struct acl_object_label * -+__chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj, char *path, const int checkglob) -+{ -+ struct dentry *dentry = (struct dentry *) l_dentry; -+ struct vfsmount *mnt = (struct vfsmount *) l_mnt; -+ struct inode * inode = d_backing_inode(dentry); -+ struct mount *real_mnt = real_mount(mnt); -+ struct acl_object_label *retval; -+ struct dentry *parent; -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ -+ if (unlikely((mnt == shm_mnt && inode->i_nlink == 0) || mnt == pipe_mnt || -+#ifdef CONFIG_NET -+ mnt == sock_mnt || -+#endif -+#ifdef CONFIG_HUGETLBFS -+ (is_hugetlbfs_mnt(mnt) && inode->i_nlink == 0) || -+#endif -+ /* ignore Eric Biederman */ -+ IS_PRIVATE(inode))) { -+ retval = (subj->mode & GR_SHMEXEC) ? fakefs_obj_rwx : fakefs_obj_rw; -+ goto out; -+ } -+ -+ for (;;) { -+ if (dentry == gr_real_root.dentry && mnt == gr_real_root.mnt) -+ break; -+ -+ if (dentry == mnt->mnt_root || IS_ROOT(dentry)) { -+ if (!mnt_has_parent(real_mnt)) -+ break; -+ -+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob); -+ if (retval != NULL) -+ goto out; -+ -+ dentry = real_mnt->mnt_mountpoint; -+ real_mnt = real_mnt->mnt_parent; -+ mnt = &real_mnt->mnt; -+ continue; -+ } -+ -+ parent = dentry->d_parent; -+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob); -+ if (retval != NULL) -+ goto out; -+ -+ dentry = parent; -+ } -+ -+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob); -+ -+ /* gr_real_root is pinned so we don't have to hold a reference */ -+ if (retval == NULL) -+ retval = full_lookup(l_dentry, l_mnt, gr_real_root.dentry, subj, &path, checkglob); -+out: -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+ -+ BUG_ON(retval == NULL); -+ -+ return retval; -+} -+ -+static struct acl_object_label * -+chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj) -+{ -+ char *path = NULL; -+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_REG_GLOB); -+} -+ -+static struct acl_object_label * -+chk_obj_label_noglob(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj) -+{ -+ char *path = NULL; -+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_NO_GLOB); -+} -+ -+static struct acl_object_label * -+chk_obj_create_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj, char *path) -+{ -+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_CREATE_GLOB); -+} -+ -+struct acl_subject_label * -+chk_subj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_role_label *role) -+{ -+ struct dentry *dentry = (struct dentry *) l_dentry; -+ struct vfsmount *mnt = (struct vfsmount *) l_mnt; -+ struct mount *real_mnt = real_mount(mnt); -+ struct acl_subject_label *retval; -+ struct dentry *parent; -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ -+ for (;;) { -+ if (dentry == gr_real_root.dentry && mnt == gr_real_root.mnt) -+ break; -+ if (dentry == mnt->mnt_root || IS_ROOT(dentry)) { -+ if (!mnt_has_parent(real_mnt)) -+ break; -+ -+ spin_lock(&dentry->d_lock); -+ read_lock(&gr_inode_lock); -+ retval = -+ lookup_acl_subj_label(__get_ino(dentry), -+ __get_dev(dentry), role); -+ read_unlock(&gr_inode_lock); -+ spin_unlock(&dentry->d_lock); -+ if (retval != NULL) -+ goto out; -+ -+ dentry = real_mnt->mnt_mountpoint; -+ real_mnt = real_mnt->mnt_parent; -+ mnt = &real_mnt->mnt; -+ continue; -+ } -+ -+ spin_lock(&dentry->d_lock); -+ read_lock(&gr_inode_lock); -+ retval = lookup_acl_subj_label(__get_ino(dentry), -+ __get_dev(dentry), role); -+ read_unlock(&gr_inode_lock); -+ parent = dentry->d_parent; -+ spin_unlock(&dentry->d_lock); -+ -+ if (retval != NULL) -+ goto out; -+ -+ dentry = parent; -+ } -+ -+ spin_lock(&dentry->d_lock); -+ read_lock(&gr_inode_lock); -+ retval = lookup_acl_subj_label(__get_ino(dentry), -+ __get_dev(dentry), role); -+ read_unlock(&gr_inode_lock); -+ spin_unlock(&dentry->d_lock); -+ -+ if (unlikely(retval == NULL)) { -+ /* gr_real_root is pinned, we don't need to hold a reference */ -+ read_lock(&gr_inode_lock); -+ retval = lookup_acl_subj_label(__get_ino(gr_real_root.dentry), -+ __get_dev(gr_real_root.dentry), role); -+ read_unlock(&gr_inode_lock); -+ } -+out: -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+ -+ BUG_ON(retval == NULL); -+ -+ return retval; -+} -+ -+void -+assign_special_role(const char *rolename) -+{ -+ struct acl_object_label *obj; -+ struct acl_role_label *r; -+ struct acl_role_label *assigned = NULL; -+ struct task_struct *tsk; -+ struct file *filp; -+ -+ FOR_EACH_ROLE_START(r) -+ if (!strcmp(rolename, r->rolename) && -+ (r->roletype & GR_ROLE_SPECIAL)) { -+ assigned = r; -+ break; -+ } -+ FOR_EACH_ROLE_END(r) -+ -+ if (!assigned) -+ return; -+ -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ -+ tsk = current->real_parent; -+ if (tsk == NULL) -+ goto out_unlock; -+ -+ filp = tsk->exec_file; -+ if (filp == NULL) -+ goto out_unlock; -+ -+ tsk->is_writable = 0; -+ tsk->inherited = 0; -+ -+ tsk->acl_sp_role = 1; -+ tsk->acl_role_id = ++acl_sp_role_value; -+ tsk->role = assigned; -+ tsk->acl = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role); -+ -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, running_polstate.default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ tsk->is_writable = 1; -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ tsk->is_writable = 1; -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Assigning special role:%s subject:%s to process (%s:%d)\n", tsk->role->rolename, -+ tsk->acl->filename, tsk->comm, task_pid_nr(tsk)); -+#endif -+ -+out_unlock: -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ return; -+} -+ -+ -+static void -+gr_log_learn(const struct dentry *dentry, const struct vfsmount *mnt, const __u32 mode) -+{ -+ struct task_struct *task = current; -+ const struct cred *cred = current_cred(); -+ -+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, task->role->roletype, -+ GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename, -+ 1UL, 1UL, gr_to_filename(dentry, mnt), (unsigned long) mode, &task->signal->saved_ip); -+ -+ return; -+} -+ -+static void -+gr_log_learn_uid_change(const kuid_t real, const kuid_t effective, const kuid_t fs) -+{ -+ struct task_struct *task = current; -+ const struct cred *cred = current_cred(); -+ -+ security_learn(GR_ID_LEARN_MSG, task->role->rolename, task->role->roletype, -+ GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename, -+ 'u', GR_GLOBAL_UID(real), GR_GLOBAL_UID(effective), GR_GLOBAL_UID(fs), &task->signal->saved_ip); -+ -+ return; -+} -+ -+static void -+gr_log_learn_gid_change(const kgid_t real, const kgid_t effective, const kgid_t fs) -+{ -+ struct task_struct *task = current; -+ const struct cred *cred = current_cred(); -+ -+ security_learn(GR_ID_LEARN_MSG, task->role->rolename, task->role->roletype, -+ GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename, -+ 'g', GR_GLOBAL_GID(real), GR_GLOBAL_GID(effective), GR_GLOBAL_GID(fs), &task->signal->saved_ip); -+ -+ return; -+} -+ -+static void -+gr_set_proc_res(struct task_struct *task) -+{ -+ struct acl_subject_label *proc; -+ unsigned short i; -+ -+ proc = task->acl; -+ -+ if (proc->mode & (GR_LEARN | GR_INHERITLEARN)) -+ return; -+ -+ for (i = 0; i < RLIM_NLIMITS; i++) { -+ unsigned long rlim_cur, rlim_max; -+ -+ if (!(proc->resmask & (1U << i))) -+ continue; -+ -+ rlim_cur = proc->res[i].rlim_cur; -+ rlim_max = proc->res[i].rlim_max; -+ -+ if (i == RLIMIT_NOFILE) { -+ unsigned long saved_sysctl_nr_open = sysctl_nr_open; -+ if (rlim_cur > saved_sysctl_nr_open) -+ rlim_cur = saved_sysctl_nr_open; -+ if (rlim_max > saved_sysctl_nr_open) -+ rlim_max = saved_sysctl_nr_open; -+ } -+ -+ task->signal->rlim[i].rlim_cur = rlim_cur; -+ task->signal->rlim[i].rlim_max = rlim_max; -+ -+ if (i == RLIMIT_CPU) -+ update_rlimit_cpu(task, rlim_cur); -+ } -+ -+ return; -+} -+ -+/* both of the below must be called with -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ except in the case of gr_set_role_label() (for __gr_get_subject_for_task) -+*/ -+ -+struct acl_subject_label *__gr_get_subject_for_task(const struct gr_policy_state *state, struct task_struct *task, const char *filename, int fallback) -+{ -+ char *tmpname; -+ struct acl_subject_label *tmpsubj; -+ struct file *filp; -+ struct name_entry *nmatch; -+ -+ filp = task->exec_file; -+ if (filp == NULL) -+ return NULL; -+ -+ /* the following is to apply the correct subject -+ on binaries running when the RBAC system -+ is enabled, when the binaries have been -+ replaced or deleted since their execution -+ ----- -+ when the RBAC system starts, the inode/dev -+ from exec_file will be one the RBAC system -+ is unaware of. It only knows the inode/dev -+ of the present file on disk, or the absence -+ of it. -+ */ -+ -+ if (filename) -+ nmatch = __lookup_name_entry(state, filename); -+ else { -+ preempt_disable(); -+ tmpname = gr_to_filename_rbac(filp->f_path.dentry, filp->f_path.mnt); -+ -+ nmatch = __lookup_name_entry(state, tmpname); -+ preempt_enable(); -+ } -+ tmpsubj = NULL; -+ if (nmatch) { -+ if (nmatch->deleted) -+ tmpsubj = lookup_acl_subj_label_deleted(nmatch->inode, nmatch->device, task->role); -+ else -+ tmpsubj = lookup_acl_subj_label(nmatch->inode, nmatch->device, task->role); -+ } -+ /* this also works for the reload case -- if we don't match a potentially inherited subject -+ then we fall back to a normal lookup based on the binary's ino/dev -+ */ -+ if (tmpsubj == NULL && fallback) -+ tmpsubj = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, task->role); -+ -+ return tmpsubj; -+} -+ -+static struct acl_subject_label *gr_get_subject_for_task(struct task_struct *task, const char *filename, int fallback) -+{ -+ return __gr_get_subject_for_task(&running_polstate, task, filename, fallback); -+} -+ -+void __gr_apply_subject_to_task(const struct gr_policy_state *state, struct task_struct *task, struct acl_subject_label *subj) -+{ -+ struct acl_object_label *obj; -+ struct file *filp; -+ -+ filp = task->exec_file; -+ -+ task->acl = subj; -+ task->is_writable = 0; -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, state->default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ -+ gr_set_proc_res(task); -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "gr_set_acls for (%s:%d): role:%s, subject:%s\n", task->comm, task_pid_nr(task), task->role->rolename, task->acl->filename); -+#endif -+} -+ -+static void gr_apply_subject_to_task(struct task_struct *task, struct acl_subject_label *subj) -+{ -+ __gr_apply_subject_to_task(&running_polstate, task, subj); -+} -+ -+__u32 -+gr_search_file(const struct dentry * dentry, const __u32 mode, -+ const struct vfsmount * mnt) -+{ -+ __u32 retval = mode; -+ struct acl_subject_label *curracl; -+ struct acl_object_label *currobj; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return (mode & ~GR_AUDITS); -+ -+ curracl = current->acl; -+ -+ currobj = chk_obj_label(dentry, mnt, curracl); -+ retval = currobj->mode & mode; -+ -+ /* if we're opening a specified transfer file for writing -+ (e.g. /dev/initctl), then transfer our role to init -+ */ -+ if (unlikely(currobj->mode & GR_INIT_TRANSFER && retval & GR_WRITE && -+ current->role->roletype & GR_ROLE_PERSIST)) { -+ struct task_struct *task = init_pid_ns.child_reaper; -+ -+ if (task->role != current->role) { -+ struct acl_subject_label *subj; -+ -+ task->acl_sp_role = 0; -+ task->acl_role_id = current->acl_role_id; -+ task->role = current->role; -+ rcu_read_lock(); -+ read_lock(&grsec_exec_file_lock); -+ subj = gr_get_subject_for_task(task, NULL, 1); -+ gr_apply_subject_to_task(task, subj); -+ read_unlock(&grsec_exec_file_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_INIT_TRANSFER_MSG); -+ } -+ } -+ -+ if (unlikely -+ ((curracl->mode & (GR_LEARN | GR_INHERITLEARN)) && !(mode & GR_NOPTRACE) -+ && (retval != (mode & ~(GR_AUDITS | GR_SUPPRESS))))) { -+ __u32 new_mode = mode; -+ -+ new_mode &= ~(GR_AUDITS | GR_SUPPRESS); -+ -+ retval = new_mode; -+ -+ if (new_mode & GR_EXEC && curracl->mode & GR_INHERITLEARN) -+ new_mode |= GR_INHERIT; -+ -+ if (!(mode & GR_NOLEARN)) -+ gr_log_learn(dentry, mnt, new_mode); -+ } -+ -+ return retval; -+} -+ -+struct acl_object_label *gr_get_create_object(const struct dentry *new_dentry, -+ const struct dentry *parent, -+ const struct vfsmount *mnt) -+{ -+ struct name_entry *match; -+ struct acl_object_label *matchpo; -+ struct acl_subject_label *curracl; -+ char *path; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return NULL; -+ -+ preempt_disable(); -+ path = gr_to_filename_rbac(new_dentry, mnt); -+ match = lookup_name_entry_create(path); -+ -+ curracl = current->acl; -+ -+ if (match) { -+ read_lock(&gr_inode_lock); -+ matchpo = lookup_acl_obj_label_create(match->inode, match->device, curracl); -+ read_unlock(&gr_inode_lock); -+ -+ if (matchpo) { -+ preempt_enable(); -+ return matchpo; -+ } -+ } -+ -+ // lookup parent -+ -+ matchpo = chk_obj_create_label(parent, mnt, curracl, path); -+ -+ preempt_enable(); -+ return matchpo; -+} -+ -+__u32 -+gr_check_create(const struct dentry * new_dentry, const struct dentry * parent, -+ const struct vfsmount * mnt, const __u32 mode) -+{ -+ struct acl_object_label *matchpo; -+ __u32 retval; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return (mode & ~GR_AUDITS); -+ -+ matchpo = gr_get_create_object(new_dentry, parent, mnt); -+ -+ retval = matchpo->mode & mode; -+ -+ if ((retval != (mode & ~(GR_AUDITS | GR_SUPPRESS))) -+ && (current->acl->mode & (GR_LEARN | GR_INHERITLEARN))) { -+ __u32 new_mode = mode; -+ -+ new_mode &= ~(GR_AUDITS | GR_SUPPRESS); -+ -+ gr_log_learn(new_dentry, mnt, new_mode); -+ return new_mode; -+ } -+ -+ return retval; -+} -+ -+__u32 -+gr_check_link(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const struct dentry * old_dentry, const struct vfsmount * old_mnt) -+{ -+ struct acl_object_label *obj; -+ __u32 oldmode, newmode; -+ __u32 needmode; -+ __u32 checkmodes = GR_FIND | GR_APPEND | GR_WRITE | GR_EXEC | GR_SETID | GR_READ | -+ GR_DELETE | GR_INHERIT; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return (GR_CREATE | GR_LINK); -+ -+ obj = chk_obj_label(old_dentry, old_mnt, current->acl); -+ oldmode = obj->mode; -+ -+ obj = gr_get_create_object(new_dentry, parent_dentry, parent_mnt); -+ newmode = obj->mode; -+ -+ needmode = newmode & checkmodes; -+ -+ // old name for hardlink must have at least the permissions of the new name -+ if ((oldmode & needmode) != needmode) -+ goto bad; -+ -+ // if old name had restrictions/auditing, make sure the new name does as well -+ needmode = oldmode & (GR_NOPTRACE | GR_PTRACERD | GR_INHERIT | GR_AUDITS); -+ -+ // don't allow hardlinking of suid/sgid/fcapped files without permission -+ if (is_privileged_binary(old_dentry)) -+ needmode |= GR_SETID; -+ -+ if ((newmode & needmode) != needmode) -+ goto bad; -+ -+ // enforce minimum permissions -+ if ((newmode & (GR_CREATE | GR_LINK)) == (GR_CREATE | GR_LINK)) -+ return newmode; -+bad: -+ needmode = oldmode; -+ if (is_privileged_binary(old_dentry)) -+ needmode |= GR_SETID; -+ -+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ gr_log_learn(old_dentry, old_mnt, needmode | GR_CREATE | GR_LINK); -+ return (GR_CREATE | GR_LINK); -+ } else if (newmode & GR_SUPPRESS) -+ return GR_SUPPRESS; -+ else -+ return 0; -+} -+ -+int -+gr_check_hidden_task(const struct task_struct *task) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (!(task->acl->mode & GR_PROCFIND) && !(current->acl->mode & GR_VIEW)) -+ return 1; -+ -+ return 0; -+} -+ -+int -+gr_check_protected_task(const struct task_struct *task) -+{ -+ if (unlikely(!(gr_status & GR_READY) || !task)) -+ return 0; -+ -+ if ((task->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) && -+ task->acl != current->acl) -+ return 1; -+ -+ return 0; -+} -+ -+int -+gr_check_protected_task_fowner(struct pid *pid, enum pid_type type) -+{ -+ struct task_struct *p; -+ int ret = 0; -+ -+ if (unlikely(!(gr_status & GR_READY) || !pid)) -+ return ret; -+ -+ read_lock(&tasklist_lock); -+ do_each_pid_task(pid, type, p) { -+ if ((p->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) && -+ p->acl != current->acl) { -+ ret = 1; -+ goto out; -+ } -+ } while_each_pid_task(pid, type, p); -+out: -+ read_unlock(&tasklist_lock); -+ -+ return ret; -+} -+ -+void -+gr_copy_label(struct task_struct *tsk) -+{ -+ struct task_struct *p = current; -+ -+ tsk->inherited = p->inherited; -+ tsk->acl_sp_role = 0; -+ tsk->acl_role_id = p->acl_role_id; -+ tsk->acl = p->acl; -+ tsk->role = p->role; -+ tsk->signal->used_accept = 0; -+ tsk->signal->curr_ip = p->signal->curr_ip; -+ tsk->signal->saved_ip = p->signal->saved_ip; -+ if (p->exec_file) -+ get_file(p->exec_file); -+ tsk->exec_file = p->exec_file; -+ tsk->is_writable = p->is_writable; -+ if (unlikely(p->signal->used_accept)) { -+ p->signal->curr_ip = 0; -+ p->signal->saved_ip = 0; -+ } -+ -+ return; -+} -+ -+extern int gr_process_kernel_setuid_ban(struct user_struct *user); -+ -+int -+gr_check_user_change(kuid_t real, kuid_t effective, kuid_t fs) -+{ -+ unsigned int i; -+ __u16 num; -+ uid_t *uidlist; -+ uid_t curuid; -+ int realok = 0; -+ int effectiveok = 0; -+ int fsok = 0; -+ uid_t globalreal, globaleffective, globalfs; -+ -+#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) -+ struct user_struct *user; -+ -+ if (!uid_valid(real)) -+ goto skipit; -+ -+ /* find user based on global namespace */ -+ -+ globalreal = GR_GLOBAL_UID(real); -+ -+ user = find_user(make_kuid(&init_user_ns, globalreal)); -+ if (user == NULL) -+ goto skipit; -+ -+ if (gr_process_kernel_setuid_ban(user)) { -+ /* for find_user */ -+ free_uid(user); -+ return 1; -+ } -+ -+ /* for find_user */ -+ free_uid(user); -+ -+skipit: -+#endif -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ gr_log_learn_uid_change(real, effective, fs); -+ -+ num = current->acl->user_trans_num; -+ uidlist = current->acl->user_transitions; -+ -+ if (uidlist == NULL) -+ return 0; -+ -+ if (!uid_valid(real)) { -+ realok = 1; -+ globalreal = (uid_t)-1; -+ } else { -+ globalreal = GR_GLOBAL_UID(real); -+ } -+ if (!uid_valid(effective)) { -+ effectiveok = 1; -+ globaleffective = (uid_t)-1; -+ } else { -+ globaleffective = GR_GLOBAL_UID(effective); -+ } -+ if (!uid_valid(fs)) { -+ fsok = 1; -+ globalfs = (uid_t)-1; -+ } else { -+ globalfs = GR_GLOBAL_UID(fs); -+ } -+ -+ if (current->acl->user_trans_type & GR_ID_ALLOW) { -+ for (i = 0; i < num; i++) { -+ curuid = uidlist[i]; -+ if (globalreal == curuid) -+ realok = 1; -+ if (globaleffective == curuid) -+ effectiveok = 1; -+ if (globalfs == curuid) -+ fsok = 1; -+ } -+ } else if (current->acl->user_trans_type & GR_ID_DENY) { -+ for (i = 0; i < num; i++) { -+ curuid = uidlist[i]; -+ if (globalreal == curuid) -+ break; -+ if (globaleffective == curuid) -+ break; -+ if (globalfs == curuid) -+ break; -+ } -+ /* not in deny list */ -+ if (i == num) { -+ realok = 1; -+ effectiveok = 1; -+ fsok = 1; -+ } -+ } -+ -+ if (realok && effectiveok && fsok) -+ return 0; -+ else { -+ gr_log_int(GR_DONT_AUDIT, GR_USRCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : globalfs) : globaleffective) : globalreal); -+ return 1; -+ } -+} -+ -+int -+gr_check_group_change(kgid_t real, kgid_t effective, kgid_t fs) -+{ -+ unsigned int i; -+ __u16 num; -+ gid_t *gidlist; -+ gid_t curgid; -+ int realok = 0; -+ int effectiveok = 0; -+ int fsok = 0; -+ gid_t globalreal, globaleffective, globalfs; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ gr_log_learn_gid_change(real, effective, fs); -+ -+ num = current->acl->group_trans_num; -+ gidlist = current->acl->group_transitions; -+ -+ if (gidlist == NULL) -+ return 0; -+ -+ if (!gid_valid(real)) { -+ realok = 1; -+ globalreal = (gid_t)-1; -+ } else { -+ globalreal = GR_GLOBAL_GID(real); -+ } -+ if (!gid_valid(effective)) { -+ effectiveok = 1; -+ globaleffective = (gid_t)-1; -+ } else { -+ globaleffective = GR_GLOBAL_GID(effective); -+ } -+ if (!gid_valid(fs)) { -+ fsok = 1; -+ globalfs = (gid_t)-1; -+ } else { -+ globalfs = GR_GLOBAL_GID(fs); -+ } -+ -+ if (current->acl->group_trans_type & GR_ID_ALLOW) { -+ for (i = 0; i < num; i++) { -+ curgid = gidlist[i]; -+ if (globalreal == curgid) -+ realok = 1; -+ if (globaleffective == curgid) -+ effectiveok = 1; -+ if (globalfs == curgid) -+ fsok = 1; -+ } -+ } else if (current->acl->group_trans_type & GR_ID_DENY) { -+ for (i = 0; i < num; i++) { -+ curgid = gidlist[i]; -+ if (globalreal == curgid) -+ break; -+ if (globaleffective == curgid) -+ break; -+ if (globalfs == curgid) -+ break; -+ } -+ /* not in deny list */ -+ if (i == num) { -+ realok = 1; -+ effectiveok = 1; -+ fsok = 1; -+ } -+ } -+ -+ if (realok && effectiveok && fsok) -+ return 0; -+ else { -+ gr_log_int(GR_DONT_AUDIT, GR_GRPCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : globalfs) : globaleffective) : globalreal); -+ return 1; -+ } -+} -+ -+extern int gr_acl_is_capable(const int cap); -+ -+void -+gr_set_role_label(struct task_struct *task, const kuid_t kuid, const kgid_t kgid) -+{ -+ struct acl_role_label *role = task->role; -+ struct acl_role_label *origrole = role; -+ struct acl_subject_label *subj = NULL; -+ struct acl_object_label *obj; -+ struct file *filp; -+ uid_t uid; -+ gid_t gid; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ uid = GR_GLOBAL_UID(kuid); -+ gid = GR_GLOBAL_GID(kgid); -+ -+ filp = task->exec_file; -+ -+ /* kernel process, we'll give them the kernel role */ -+ if (unlikely(!filp)) { -+ task->role = running_polstate.kernel_role; -+ task->acl = running_polstate.kernel_role->root_label; -+ return; -+ } else if (!task->role || !(task->role->roletype & GR_ROLE_SPECIAL)) { -+ /* save the current ip at time of role lookup so that the proper -+ IP will be learned for role_allowed_ip */ -+ task->signal->saved_ip = task->signal->curr_ip; -+ role = lookup_acl_role_label(task, uid, gid); -+ } -+ -+ /* don't change the role if we're not a privileged process */ -+ if (role && task->role != role && -+ (((role->roletype & GR_ROLE_USER) && !gr_acl_is_capable(CAP_SETUID)) || -+ ((role->roletype & GR_ROLE_GROUP) && !gr_acl_is_capable(CAP_SETGID)))) -+ return; -+ -+ task->role = role; -+ -+ if (task->inherited) { -+ /* if we reached our subject through inheritance, then first see -+ if there's a subject of the same name in the new role that has -+ an object that would result in the same inherited subject -+ */ -+ subj = gr_get_subject_for_task(task, task->acl->filename, 0); -+ if (subj) { -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, subj); -+ if (!(obj->mode & GR_INHERIT)) -+ subj = NULL; -+ } -+ -+ } -+ if (subj == NULL) { -+ /* otherwise: -+ perform subject lookup in possibly new role -+ we can use this result below in the case where role == task->role -+ */ -+ subj = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, role); -+ } -+ -+ /* if we changed uid/gid, but result in the same role -+ and are using inheritance, don't lose the inherited subject -+ if current subject is other than what normal lookup -+ would result in, we arrived via inheritance, don't -+ lose subject -+ */ -+ if (role != origrole || (!(task->acl->mode & GR_INHERITLEARN) && -+ (subj == task->acl))) -+ task->acl = subj; -+ -+ /* leave task->inherited unaffected */ -+ -+ task->is_writable = 0; -+ -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, running_polstate.default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Set role label for (%s:%d): role:%s, subject:%s\n", task->comm, task_pid_nr(task), task->role->rolename, task->acl->filename); -+#endif -+ -+ gr_set_proc_res(task); -+ -+ return; -+} -+ -+int -+gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt, -+ const int unsafe_flags) -+{ -+ struct task_struct *task = current; -+ struct acl_subject_label *newacl; -+ struct acl_object_label *obj; -+ __u32 retmode; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ newacl = chk_subj_label(dentry, mnt, task->role); -+ -+ /* special handling for if we did an strace -f -p <pid> from an admin role, where pid then -+ did an exec -+ */ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ if (task->ptrace && task->parent && ((task->parent->role->roletype & GR_ROLE_GOD) || -+ (task->parent->acl->mode & GR_POVERRIDE))) { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ goto skip_check; -+ } -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ if (unsafe_flags && !(task->acl->mode & GR_POVERRIDE) && (task->acl != newacl) && -+ !(task->role->roletype & GR_ROLE_GOD) && -+ !gr_search_file(dentry, GR_PTRACERD, mnt) && -+ !(task->acl->mode & (GR_LEARN | GR_INHERITLEARN))) { -+ if (unsafe_flags & LSM_UNSAFE_SHARE) -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_UNSAFESHARE_EXEC_ACL_MSG, dentry, mnt); -+ else -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_PTRACE_EXEC_ACL_MSG, dentry, mnt); -+ return -EACCES; -+ } -+ -+skip_check: -+ -+ obj = chk_obj_label(dentry, mnt, task->acl); -+ retmode = obj->mode & (GR_INHERIT | GR_AUDIT_INHERIT); -+ -+ if (!(task->acl->mode & GR_INHERITLEARN) && -+ ((newacl->mode & GR_LEARN) || !(retmode & GR_INHERIT))) { -+ if (obj->nested) -+ task->acl = obj->nested; -+ else -+ task->acl = newacl; -+ task->inherited = 0; -+ } else { -+ task->inherited = 1; -+ if (retmode & GR_INHERIT && retmode & GR_AUDIT_INHERIT) -+ gr_log_str_fs(GR_DO_AUDIT, GR_INHERIT_ACL_MSG, task->acl->filename, dentry, mnt); -+ } -+ -+ task->is_writable = 0; -+ -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(dentry, mnt, running_polstate.default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ obj = chk_obj_label(dentry, mnt, task->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ -+ gr_set_proc_res(task); -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Set subject label for (%s:%d): role:%s, subject:%s\n", task->comm, task_pid_nr(task), task->role->rolename, task->acl->filename); -+#endif -+ return 0; -+} -+ -+/* always called with valid inodev ptr */ -+static void -+do_handle_delete(struct inodev_entry *inodev, const u64 ino, const dev_t dev) -+{ -+ struct acl_object_label *matchpo; -+ struct acl_subject_label *matchps; -+ struct acl_subject_label *subj; -+ struct acl_role_label *role; -+ unsigned int x; -+ -+ FOR_EACH_ROLE_START(role) -+ FOR_EACH_SUBJECT_START(role, subj, x) -+ if ((matchpo = lookup_acl_obj_label(ino, dev, subj)) != NULL) -+ matchpo->mode |= GR_DELETED; -+ FOR_EACH_SUBJECT_END(subj,x) -+ FOR_EACH_NESTED_SUBJECT_START(role, subj) -+ /* nested subjects aren't in the role's subj_hash table */ -+ if ((matchpo = lookup_acl_obj_label(ino, dev, subj)) != NULL) -+ matchpo->mode |= GR_DELETED; -+ FOR_EACH_NESTED_SUBJECT_END(subj) -+ if ((matchps = lookup_acl_subj_label(ino, dev, role)) != NULL) -+ matchps->mode |= GR_DELETED; -+ FOR_EACH_ROLE_END(role) -+ -+ inodev->nentry->deleted = 1; -+ -+ return; -+} -+ -+void -+gr_handle_delete(const u64 ino, const dev_t dev) -+{ -+ struct inodev_entry *inodev; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ write_lock(&gr_inode_lock); -+ inodev = lookup_inodev_entry(ino, dev); -+ if (inodev != NULL) -+ do_handle_delete(inodev, ino, dev); -+ write_unlock(&gr_inode_lock); -+ -+ return; -+} -+ -+static void -+update_acl_obj_label(const u64 oldinode, const dev_t olddevice, -+ const u64 newinode, const dev_t newdevice, -+ struct acl_subject_label *subj) -+{ -+ unsigned int index = gr_fhash(oldinode, olddevice, subj->obj_hash_size); -+ struct acl_object_label *match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != oldinode || -+ match->device != olddevice || -+ !(match->mode & GR_DELETED))) -+ match = match->next; -+ -+ if (match && (match->inode == oldinode) -+ && (match->device == olddevice) -+ && (match->mode & GR_DELETED)) { -+ if (match->prev == NULL) { -+ subj->obj_hash[index] = match->next; -+ if (match->next != NULL) -+ match->next->prev = NULL; -+ } else { -+ match->prev->next = match->next; -+ if (match->next != NULL) -+ match->next->prev = match->prev; -+ } -+ match->prev = NULL; -+ match->next = NULL; -+ match->inode = newinode; -+ match->device = newdevice; -+ match->mode &= ~GR_DELETED; -+ -+ insert_acl_obj_label(match, subj); -+ } -+ -+ return; -+} -+ -+static void -+update_acl_subj_label(const u64 oldinode, const dev_t olddevice, -+ const u64 newinode, const dev_t newdevice, -+ struct acl_role_label *role) -+{ -+ unsigned int index = gr_fhash(oldinode, olddevice, role->subj_hash_size); -+ struct acl_subject_label *match; -+ -+ match = role->subj_hash[index]; -+ -+ while (match && (match->inode != oldinode || -+ match->device != olddevice || -+ !(match->mode & GR_DELETED))) -+ match = match->next; -+ -+ if (match && (match->inode == oldinode) -+ && (match->device == olddevice) -+ && (match->mode & GR_DELETED)) { -+ if (match->prev == NULL) { -+ role->subj_hash[index] = match->next; -+ if (match->next != NULL) -+ match->next->prev = NULL; -+ } else { -+ match->prev->next = match->next; -+ if (match->next != NULL) -+ match->next->prev = match->prev; -+ } -+ match->prev = NULL; -+ match->next = NULL; -+ match->inode = newinode; -+ match->device = newdevice; -+ match->mode &= ~GR_DELETED; -+ -+ insert_acl_subj_label(match, role); -+ } -+ -+ return; -+} -+ -+static void -+update_inodev_entry(const u64 oldinode, const dev_t olddevice, -+ const u64 newinode, const dev_t newdevice) -+{ -+ unsigned int index = gr_fhash(oldinode, olddevice, running_polstate.inodev_set.i_size); -+ struct inodev_entry *match; -+ -+ match = running_polstate.inodev_set.i_hash[index]; -+ -+ while (match && (match->nentry->inode != oldinode || -+ match->nentry->device != olddevice || !match->nentry->deleted)) -+ match = match->next; -+ -+ if (match && (match->nentry->inode == oldinode) -+ && (match->nentry->device == olddevice) && -+ match->nentry->deleted) { -+ if (match->prev == NULL) { -+ running_polstate.inodev_set.i_hash[index] = match->next; -+ if (match->next != NULL) -+ match->next->prev = NULL; -+ } else { -+ match->prev->next = match->next; -+ if (match->next != NULL) -+ match->next->prev = match->prev; -+ } -+ match->prev = NULL; -+ match->next = NULL; -+ match->nentry->inode = newinode; -+ match->nentry->device = newdevice; -+ match->nentry->deleted = 0; -+ -+ insert_inodev_entry(match); -+ } -+ -+ return; -+} -+ -+static void -+__do_handle_create(const struct name_entry *matchn, u64 ino, dev_t dev) -+{ -+ struct acl_subject_label *subj; -+ struct acl_role_label *role; -+ unsigned int x; -+ -+ FOR_EACH_ROLE_START(role) -+ update_acl_subj_label(matchn->inode, matchn->device, ino, dev, role); -+ -+ FOR_EACH_NESTED_SUBJECT_START(role, subj) -+ if ((subj->inode == ino) && (subj->device == dev)) { -+ subj->inode = ino; -+ subj->device = dev; -+ } -+ /* nested subjects aren't in the role's subj_hash table */ -+ update_acl_obj_label(matchn->inode, matchn->device, -+ ino, dev, subj); -+ FOR_EACH_NESTED_SUBJECT_END(subj) -+ FOR_EACH_SUBJECT_START(role, subj, x) -+ update_acl_obj_label(matchn->inode, matchn->device, -+ ino, dev, subj); -+ FOR_EACH_SUBJECT_END(subj,x) -+ FOR_EACH_ROLE_END(role) -+ -+ update_inodev_entry(matchn->inode, matchn->device, ino, dev); -+ -+ return; -+} -+ -+static void -+do_handle_create(const struct name_entry *matchn, const struct dentry *dentry, -+ const struct vfsmount *mnt) -+{ -+ u64 ino = __get_ino(dentry); -+ dev_t dev = __get_dev(dentry); -+ -+ __do_handle_create(matchn, ino, dev); -+ -+ return; -+} -+ -+void -+gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ struct name_entry *matchn; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ preempt_disable(); -+ matchn = lookup_name_entry(gr_to_filename_rbac(dentry, mnt)); -+ -+ if (unlikely((unsigned long)matchn)) { -+ write_lock(&gr_inode_lock); -+ do_handle_create(matchn, dentry, mnt); -+ write_unlock(&gr_inode_lock); -+ } -+ preempt_enable(); -+ -+ return; -+} -+ -+void -+gr_handle_proc_create(const struct dentry *dentry, const struct inode *inode) -+{ -+ struct name_entry *matchn; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ preempt_disable(); -+ matchn = lookup_name_entry(gr_to_proc_filename_rbac(dentry, init_pid_ns.proc_mnt)); -+ -+ if (unlikely((unsigned long)matchn)) { -+ write_lock(&gr_inode_lock); -+ __do_handle_create(matchn, inode->i_ino, inode->i_sb->s_dev); -+ write_unlock(&gr_inode_lock); -+ } -+ preempt_enable(); -+ -+ return; -+} -+ -+void -+gr_handle_rename(struct inode *old_dir, struct inode *new_dir, -+ struct dentry *old_dentry, -+ struct dentry *new_dentry, -+ struct vfsmount *mnt, const __u8 replace, unsigned int flags) -+{ -+ struct name_entry *matchn; -+ struct name_entry *matchn2 = NULL; -+ struct inodev_entry *inodev; -+ struct inode *inode = d_backing_inode(new_dentry); -+ struct inode *old_inode = d_backing_inode(old_dentry); -+ u64 old_ino = __get_ino(old_dentry); -+ dev_t old_dev = __get_dev(old_dentry); -+ unsigned int exchange = flags & RENAME_EXCHANGE; -+ -+ /* vfs_rename swaps the name and parent link for old_dentry and -+ new_dentry -+ at this point, old_dentry has the new name, parent link, and inode -+ for the renamed file -+ if a file is being replaced by a rename, new_dentry has the inode -+ and name for the replaced file -+ */ -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ preempt_disable(); -+ matchn = lookup_name_entry(gr_to_filename_rbac(old_dentry, mnt)); -+ -+ /* exchange cases: -+ a filename exists for the source, but not dest -+ do a recreate on source -+ a filename exists for the dest, but not source -+ do a recreate on dest -+ a filename exists for both source and dest -+ delete source and dest, then create source and dest -+ a filename exists for neither source nor dest -+ no updates needed -+ -+ the name entry lookups get us the old inode/dev associated with -+ each name, so do the deletes first (if possible) so that when -+ we do the create, we pick up on the right entries -+ */ -+ -+ if (exchange) -+ matchn2 = lookup_name_entry(gr_to_filename_rbac(new_dentry, mnt)); -+ -+ /* we wouldn't have to check d_inode if it weren't for -+ NFS silly-renaming -+ */ -+ -+ write_lock(&gr_inode_lock); -+ if (unlikely((replace || exchange) && inode)) { -+ u64 new_ino = __get_ino(new_dentry); -+ dev_t new_dev = __get_dev(new_dentry); -+ -+ inodev = lookup_inodev_entry(new_ino, new_dev); -+ if (inodev != NULL && ((inode->i_nlink <= 1) || d_is_dir(new_dentry))) -+ do_handle_delete(inodev, new_ino, new_dev); -+ } -+ -+ inodev = lookup_inodev_entry(old_ino, old_dev); -+ if (inodev != NULL && ((old_inode->i_nlink <= 1) || d_is_dir(old_dentry))) -+ do_handle_delete(inodev, old_ino, old_dev); -+ -+ if (unlikely(matchn != NULL)) -+ do_handle_create(matchn, old_dentry, mnt); -+ -+ if (unlikely(matchn2 != NULL)) -+ do_handle_create(matchn2, new_dentry, mnt); -+ -+ write_unlock(&gr_inode_lock); -+ preempt_enable(); -+ -+ return; -+} -+ -+#if defined(CONFIG_GRKERNSEC_RESLOG) || !defined(CONFIG_GRKERNSEC_NO_RBAC) -+static const unsigned long res_learn_bumps[GR_NLIMITS] = { -+ [RLIMIT_CPU] = GR_RLIM_CPU_BUMP, -+ [RLIMIT_FSIZE] = GR_RLIM_FSIZE_BUMP, -+ [RLIMIT_DATA] = GR_RLIM_DATA_BUMP, -+ [RLIMIT_STACK] = GR_RLIM_STACK_BUMP, -+ [RLIMIT_CORE] = GR_RLIM_CORE_BUMP, -+ [RLIMIT_RSS] = GR_RLIM_RSS_BUMP, -+ [RLIMIT_NPROC] = GR_RLIM_NPROC_BUMP, -+ [RLIMIT_NOFILE] = GR_RLIM_NOFILE_BUMP, -+ [RLIMIT_MEMLOCK] = GR_RLIM_MEMLOCK_BUMP, -+ [RLIMIT_AS] = GR_RLIM_AS_BUMP, -+ [RLIMIT_LOCKS] = GR_RLIM_LOCKS_BUMP, -+ [RLIMIT_SIGPENDING] = GR_RLIM_SIGPENDING_BUMP, -+ [RLIMIT_MSGQUEUE] = GR_RLIM_MSGQUEUE_BUMP, -+ [RLIMIT_NICE] = GR_RLIM_NICE_BUMP, -+ [RLIMIT_RTPRIO] = GR_RLIM_RTPRIO_BUMP, -+ [RLIMIT_RTTIME] = GR_RLIM_RTTIME_BUMP -+}; -+ -+void -+gr_learn_resource(const struct task_struct *task, -+ const int res, const unsigned long wanted, const int gt) -+{ -+ struct acl_subject_label *acl; -+ const struct cred *cred; -+ -+ if (unlikely((gr_status & GR_READY) && -+ task->acl && (task->acl->mode & (GR_LEARN | GR_INHERITLEARN)))) -+ goto skip_reslog; -+ -+ gr_log_resource(task, res, wanted, gt); -+skip_reslog: -+ -+ if (unlikely(!(gr_status & GR_READY) || !wanted || res >= GR_NLIMITS)) -+ return; -+ -+ acl = task->acl; -+ -+ if (likely(!acl || !(acl->mode & (GR_LEARN | GR_INHERITLEARN)) || -+ !(acl->resmask & (1U << (unsigned short) res)))) -+ return; -+ -+ if (wanted >= acl->res[res].rlim_cur) { -+ unsigned long res_add; -+ -+ res_add = wanted + res_learn_bumps[res]; -+ -+ acl->res[res].rlim_cur = res_add; -+ -+ if (wanted > acl->res[res].rlim_max) -+ acl->res[res].rlim_max = res_add; -+ -+ /* only log the subject filename, since resource logging is supported for -+ single-subject learning only */ -+ rcu_read_lock(); -+ cred = __task_cred(task); -+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, -+ task->role->roletype, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid), acl->filename, -+ acl->filename, acl->res[res].rlim_cur, acl->res[res].rlim_max, -+ "", (unsigned long) res, &task->signal->saved_ip); -+ rcu_read_unlock(); -+ } -+ -+ return; -+} -+EXPORT_SYMBOL_GPL(gr_learn_resource); -+#endif -+ -+#if defined(CONFIG_PAX_HAVE_ACL_FLAGS) && (defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)) -+void -+pax_set_initial_flags(struct linux_binprm *bprm) -+{ -+ struct task_struct *task = current; -+ struct acl_subject_label *proc; -+ unsigned long flags; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ flags = pax_get_flags(task); -+ -+ proc = task->acl; -+ -+ if (proc->pax_flags & GR_PAX_DISABLE_PAGEEXEC) -+ flags &= ~MF_PAX_PAGEEXEC; -+ if (proc->pax_flags & GR_PAX_DISABLE_SEGMEXEC) -+ flags &= ~MF_PAX_SEGMEXEC; -+ if (proc->pax_flags & GR_PAX_DISABLE_RANDMMAP) -+ flags &= ~MF_PAX_RANDMMAP; -+ if (proc->pax_flags & GR_PAX_DISABLE_EMUTRAMP) -+ flags &= ~MF_PAX_EMUTRAMP; -+ if (proc->pax_flags & GR_PAX_DISABLE_MPROTECT) -+ flags &= ~MF_PAX_MPROTECT; -+ -+ if (proc->pax_flags & GR_PAX_ENABLE_PAGEEXEC) -+ flags |= MF_PAX_PAGEEXEC; -+ if (proc->pax_flags & GR_PAX_ENABLE_SEGMEXEC) -+ flags |= MF_PAX_SEGMEXEC; -+ if (proc->pax_flags & GR_PAX_ENABLE_RANDMMAP) -+ flags |= MF_PAX_RANDMMAP; -+ if (proc->pax_flags & GR_PAX_ENABLE_EMUTRAMP) -+ flags |= MF_PAX_EMUTRAMP; -+ if (proc->pax_flags & GR_PAX_ENABLE_MPROTECT) -+ flags |= MF_PAX_MPROTECT; -+ -+ pax_set_flags(task, flags); -+ -+ return; -+} -+#endif -+ -+int -+gr_handle_proc_ptrace(struct task_struct *task) -+{ -+ struct file *filp; -+ struct task_struct *tmp = task; -+ struct task_struct *curtemp = current; -+ __u32 retmode; -+ -+#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+#endif -+ -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ filp = task->exec_file; -+ -+ while (task_pid_nr(tmp) > 0) { -+ if (tmp == curtemp) -+ break; -+ tmp = tmp->real_parent; -+ } -+ -+ if (!filp || (task_pid_nr(tmp) == 0 && ((grsec_enable_harden_ptrace && gr_is_global_nonroot(current_uid()) && !(gr_status & GR_READY)) || -+ ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE))))) { -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ return 1; -+ } -+ -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (!(gr_status & GR_READY)) { -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ return 0; -+ } -+#endif -+ -+ retmode = gr_search_file(filp->f_path.dentry, GR_NOPTRACE, filp->f_path.mnt); -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ -+ if (retmode & GR_NOPTRACE) -+ return 1; -+ -+ if (!(current->acl->mode & GR_POVERRIDE) && !(current->role->roletype & GR_ROLE_GOD) -+ && (current->acl != task->acl || (current->acl != current->role->root_label -+ && task_pid_nr(current) != task_pid_nr(task)))) -+ return 1; -+ -+ return 0; -+} -+ -+void task_grsec_rbac(struct seq_file *m, struct task_struct *p) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ if (!(current->role->roletype & GR_ROLE_GOD)) -+ return; -+ -+ seq_printf(m, "RBAC:\t%.64s:%c:%.950s\n", -+ p->role->rolename, gr_task_roletype_to_char(p), -+ p->acl->filename); -+} -+ -+int -+gr_handle_ptrace(struct task_struct *task, const long request) -+{ -+ struct task_struct *tmp = task; -+ struct task_struct *curtemp = current; -+ __u32 retmode; -+ -+#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+#endif -+ if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) { -+ read_lock(&tasklist_lock); -+ while (task_pid_nr(tmp) > 0) { -+ if (tmp == curtemp) -+ break; -+ tmp = tmp->real_parent; -+ } -+ -+ if (task_pid_nr(tmp) == 0 && ((grsec_enable_harden_ptrace && gr_is_global_nonroot(current_uid()) && !(gr_status & GR_READY)) || -+ ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE)))) { -+ read_unlock(&tasklist_lock); -+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task); -+ return 1; -+ } -+ read_unlock(&tasklist_lock); -+ } -+ -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (!(gr_status & GR_READY)) -+ return 0; -+#endif -+ -+ read_lock(&grsec_exec_file_lock); -+ if (unlikely(!task->exec_file)) { -+ read_unlock(&grsec_exec_file_lock); -+ return 0; -+ } -+ -+ retmode = gr_search_file(task->exec_file->f_path.dentry, GR_PTRACERD | GR_NOPTRACE, task->exec_file->f_path.mnt); -+ read_unlock(&grsec_exec_file_lock); -+ -+ if (retmode & GR_NOPTRACE) { -+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task); -+ return 1; -+ } -+ -+ if (retmode & GR_PTRACERD) { -+ switch (request) { -+ case PTRACE_SEIZE: -+ case PTRACE_POKETEXT: -+ case PTRACE_POKEDATA: -+ case PTRACE_POKEUSR: -+#if !defined(CONFIG_PPC32) && !defined(CONFIG_PPC64) && !defined(CONFIG_PARISC) && !defined(CONFIG_ALPHA) && !defined(CONFIG_IA64) -+ case PTRACE_SETREGS: -+ case PTRACE_SETFPREGS: -+#endif -+#ifdef CONFIG_X86 -+ case PTRACE_SETFPXREGS: -+#endif -+#ifdef CONFIG_ALTIVEC -+ case PTRACE_SETVRREGS: -+#endif -+ return 1; -+ default: -+ return 0; -+ } -+ } else if (!(current->acl->mode & GR_POVERRIDE) && -+ !(current->role->roletype & GR_ROLE_GOD) && -+ (current->acl != task->acl)) { -+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task); -+ return 1; -+ } -+ -+ return 0; -+} -+ -+static int is_writable_mmap(const struct file *filp) -+{ -+ struct task_struct *task = current; -+ struct acl_object_label *obj, *obj2; -+ struct dentry *dentry = filp->f_path.dentry; -+ struct vfsmount *mnt = filp->f_path.mnt; -+ struct inode *inode = d_backing_inode(dentry); -+ -+ if (gr_status & GR_READY && !(task->acl->mode & GR_OVERRIDE) && -+ !task->is_writable && d_is_reg(dentry) && (mnt != shm_mnt || (inode->i_nlink > 0))) { -+ obj = chk_obj_label(dentry, mnt, running_polstate.default_role->root_label); -+ obj2 = chk_obj_label(dentry, mnt, task->role->root_label); -+ if (unlikely((obj->mode & GR_WRITE) || (obj2->mode & GR_WRITE))) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_WRITLIB_ACL_MSG, dentry, mnt); -+ return 1; -+ } -+ } -+ return 0; -+} -+ -+int -+gr_acl_handle_mmap(const struct file *file, const unsigned long prot) -+{ -+ __u32 mode; -+ -+ if (unlikely(!file || !(prot & PROT_EXEC))) -+ return 1; -+ -+ if (is_writable_mmap(file)) -+ return 0; -+ -+ mode = -+ gr_search_file(file->f_path.dentry, -+ GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS, -+ file->f_path.mnt); -+ -+ if (!gr_tpe_allow(file)) -+ return 0; -+ -+ if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } else if (unlikely(!(mode & GR_EXEC))) { -+ return 0; -+ } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 1; -+ } -+ -+ return 1; -+} -+ -+int -+gr_acl_handle_mprotect(const struct file *file, const unsigned long prot) -+{ -+ __u32 mode; -+ -+ if (unlikely(!file || !(prot & PROT_EXEC))) -+ return 1; -+ -+ if (is_writable_mmap(file)) -+ return 0; -+ -+ mode = -+ gr_search_file(file->f_path.dentry, -+ GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS, -+ file->f_path.mnt); -+ -+ if (!gr_tpe_allow(file)) -+ return 0; -+ -+ if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } else if (unlikely(!(mode & GR_EXEC))) { -+ return 0; -+ } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 1; -+ } -+ -+ return 1; -+} -+ -+void -+gr_acl_handle_psacct(struct task_struct *task, const long code) -+{ -+ unsigned long runtime, cputime; -+ cputime_t utime, stime; -+ unsigned int wday, cday; -+ __u8 whr, chr; -+ __u8 wmin, cmin; -+ __u8 wsec, csec; -+ struct timespec curtime, starttime; -+ -+ if (unlikely(!(gr_status & GR_READY) || !task->acl || -+ !(task->acl->mode & GR_PROCACCT))) -+ return; -+ -+ curtime = ns_to_timespec(ktime_get_ns()); -+ starttime = ns_to_timespec(task->start_time); -+ runtime = curtime.tv_sec - starttime.tv_sec; -+ wday = runtime / (60 * 60 * 24); -+ runtime -= wday * (60 * 60 * 24); -+ whr = runtime / (60 * 60); -+ runtime -= whr * (60 * 60); -+ wmin = runtime / 60; -+ runtime -= wmin * 60; -+ wsec = runtime; -+ -+ task_cputime(task, &utime, &stime); -+ cputime = cputime_to_secs(utime + stime); -+ cday = cputime / (60 * 60 * 24); -+ cputime -= cday * (60 * 60 * 24); -+ chr = cputime / (60 * 60); -+ cputime -= chr * (60 * 60); -+ cmin = cputime / 60; -+ cputime -= cmin * 60; -+ csec = cputime; -+ -+ gr_log_procacct(GR_DO_AUDIT, GR_ACL_PROCACCT_MSG, task, wday, whr, wmin, wsec, cday, chr, cmin, csec, code); -+ -+ return; -+} -+ -+#ifdef CONFIG_TASKSTATS -+int gr_is_taskstats_denied(int pid) -+{ -+ struct task_struct *task; -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ const struct cred *cred; -+#endif -+ int ret = 0; -+ -+ /* restrict taskstats viewing to un-chrooted root users -+ who have the 'view' subject flag if the RBAC system is enabled -+ */ -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ task = find_task_by_vpid(pid); -+ if (task) { -+#ifdef CONFIG_GRKERNSEC_CHROOT -+ if (proc_is_chrooted(task)) -+ ret = -EACCES; -+#endif -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ cred = __task_cred(task); -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ if (gr_is_global_nonroot(cred->uid)) -+ ret = -EACCES; -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (gr_is_global_nonroot(cred->uid) && !groups_search(cred->group_info, grsec_proc_gid)) -+ ret = -EACCES; -+#endif -+#endif -+ if (gr_status & GR_READY) { -+ if (!(task->acl->mode & GR_VIEW)) -+ ret = -EACCES; -+ } -+ } else -+ ret = -ENOENT; -+ -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ return ret; -+} -+#endif -+ -+/* AUXV entries are filled via a descendant of search_binary_handler -+ after we've already applied the subject for the target -+*/ -+int gr_acl_enable_at_secure(void) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (current->acl->mode & GR_ATSECURE) -+ return 1; -+ -+ return 0; -+} -+ -+int gr_acl_handle_filldir(const struct file *file, const char *name, const unsigned int namelen, const u64 ino) -+{ -+ struct task_struct *task = current; -+ struct dentry *dentry = file->f_path.dentry; -+ struct vfsmount *mnt = file->f_path.mnt; -+ struct acl_object_label *obj, *tmp; -+ struct acl_subject_label *subj; -+ unsigned int bufsize; -+ int is_not_root; -+ char *path; -+ dev_t dev = __get_dev(dentry); -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 1; -+ -+ if (task->acl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ return 1; -+ -+ /* ignore Eric Biederman */ -+ if (IS_PRIVATE(d_backing_inode(dentry))) -+ return 1; -+ -+ subj = task->acl; -+ read_lock(&gr_inode_lock); -+ do { -+ obj = lookup_acl_obj_label(ino, dev, subj); -+ if (obj != NULL) { -+ read_unlock(&gr_inode_lock); -+ return (obj->mode & GR_FIND) ? 1 : 0; -+ } -+ } while ((subj = subj->parent_subject)); -+ read_unlock(&gr_inode_lock); -+ -+ /* this is purely an optimization since we're looking for an object -+ for the directory we're doing a readdir on -+ if it's possible for any globbed object to match the entry we're -+ filling into the directory, then the object we find here will be -+ an anchor point with attached globbed objects -+ */ -+ obj = chk_obj_label_noglob(dentry, mnt, task->acl); -+ if (obj->globbed == NULL) -+ return (obj->mode & GR_FIND) ? 1 : 0; -+ -+ is_not_root = ((obj->filename[0] == '/') && -+ (obj->filename[1] == '\0')) ? 0 : 1; -+ bufsize = PAGE_SIZE - namelen - is_not_root; -+ -+ /* check bufsize > PAGE_SIZE || bufsize == 0 */ -+ if (unlikely((bufsize - 1) > (PAGE_SIZE - 1))) -+ return 1; -+ -+ preempt_disable(); -+ path = d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()), -+ bufsize); -+ -+ bufsize = strlen(path); -+ -+ /* if base is "/", don't append an additional slash */ -+ if (is_not_root) -+ *(path + bufsize) = '/'; -+ memcpy(path + bufsize + is_not_root, name, namelen); -+ *(path + bufsize + namelen + is_not_root) = '\0'; -+ -+ tmp = obj->globbed; -+ while (tmp) { -+ if (!glob_match(tmp->filename, path)) { -+ preempt_enable(); -+ return (tmp->mode & GR_FIND) ? 1 : 0; -+ } -+ tmp = tmp->next; -+ } -+ preempt_enable(); -+ return (obj->mode & GR_FIND) ? 1 : 0; -+} -+ -+void gr_put_exec_file(struct task_struct *task) -+{ -+ struct file *filp; -+ -+ write_lock(&grsec_exec_file_lock); -+ filp = task->exec_file; -+ task->exec_file = NULL; -+ write_unlock(&grsec_exec_file_lock); -+ -+ if (filp) -+ fput(filp); -+ -+ return; -+} -+ -+ -+#ifdef CONFIG_NETFILTER_XT_MATCH_GRADM_MODULE -+EXPORT_SYMBOL_GPL(gr_acl_is_enabled); -+#endif -+#ifdef CONFIG_SECURITY -+EXPORT_SYMBOL_GPL(gr_check_user_change); -+EXPORT_SYMBOL_GPL(gr_check_group_change); -+#endif -+ -diff --git a/grsecurity/gracl_alloc.c b/grsecurity/gracl_alloc.c -new file mode 100644 -index 0000000..9adc75c ---- /dev/null -+++ b/grsecurity/gracl_alloc.c -@@ -0,0 +1,105 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <linux/slab.h> -+#include <linux/vmalloc.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+ -+static struct gr_alloc_state __current_alloc_state = { 1, 1, NULL }; -+struct gr_alloc_state *current_alloc_state = &__current_alloc_state; -+ -+static int -+alloc_pop(void) -+{ -+ if (current_alloc_state->alloc_stack_next == 1) -+ return 0; -+ -+ kfree(current_alloc_state->alloc_stack[current_alloc_state->alloc_stack_next - 2]); -+ -+ current_alloc_state->alloc_stack_next--; -+ -+ return 1; -+} -+ -+static int -+alloc_push(void *buf) -+{ -+ if (current_alloc_state->alloc_stack_next >= current_alloc_state->alloc_stack_size) -+ return 1; -+ -+ current_alloc_state->alloc_stack[current_alloc_state->alloc_stack_next - 1] = buf; -+ -+ current_alloc_state->alloc_stack_next++; -+ -+ return 0; -+} -+ -+void * -+acl_alloc(unsigned long len) -+{ -+ void *ret = NULL; -+ -+ if (!len || len > PAGE_SIZE) -+ goto out; -+ -+ ret = kmalloc(len, GFP_KERNEL); -+ -+ if (ret) { -+ if (alloc_push(ret)) { -+ kfree(ret); -+ ret = NULL; -+ } -+ } -+ -+out: -+ return ret; -+} -+ -+void * -+acl_alloc_num(unsigned long num, unsigned long len) -+{ -+ if (!len || (num > (PAGE_SIZE / len))) -+ return NULL; -+ -+ return acl_alloc(num * len); -+} -+ -+void -+acl_free_all(void) -+{ -+ if (!current_alloc_state->alloc_stack) -+ return; -+ -+ while (alloc_pop()) ; -+ -+ if (current_alloc_state->alloc_stack) { -+ if ((current_alloc_state->alloc_stack_size * sizeof (void *)) <= PAGE_SIZE) -+ kfree(current_alloc_state->alloc_stack); -+ else -+ vfree(current_alloc_state->alloc_stack); -+ } -+ -+ current_alloc_state->alloc_stack = NULL; -+ current_alloc_state->alloc_stack_size = 1; -+ current_alloc_state->alloc_stack_next = 1; -+ -+ return; -+} -+ -+int -+acl_alloc_stack_init(unsigned long size) -+{ -+ if ((size * sizeof (void *)) <= PAGE_SIZE) -+ current_alloc_state->alloc_stack = -+ (void **) kmalloc(size * sizeof (void *), GFP_KERNEL); -+ else -+ current_alloc_state->alloc_stack = (void **) vmalloc(size * sizeof (void *)); -+ -+ current_alloc_state->alloc_stack_size = size; -+ current_alloc_state->alloc_stack_next = 1; -+ -+ if (!current_alloc_state->alloc_stack) -+ return 0; -+ else -+ return 1; -+} -diff --git a/grsecurity/gracl_cap.c b/grsecurity/gracl_cap.c -new file mode 100644 -index 0000000..1a94c11 ---- /dev/null -+++ b/grsecurity/gracl_cap.c -@@ -0,0 +1,127 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+extern const char *captab_log[]; -+extern int captab_log_entries; -+ -+int gr_learn_cap(const struct task_struct *task, const struct cred *cred, const int cap) -+{ -+ struct acl_subject_label *curracl; -+ -+ if (!gr_acl_is_enabled()) -+ return 1; -+ -+ curracl = task->acl; -+ -+ if (curracl->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, -+ task->role->roletype, GR_GLOBAL_UID(cred->uid), -+ GR_GLOBAL_GID(cred->gid), task->exec_file ? -+ gr_to_filename(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : curracl->filename, -+ curracl->filename, 0UL, -+ 0UL, "", (unsigned long) cap, &task->signal->saved_ip); -+ return 1; -+ } -+ -+ return 0; -+} -+ -+int gr_task_acl_is_capable(const struct task_struct *task, const struct cred *cred, const int cap) -+{ -+ struct acl_subject_label *curracl; -+ kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set; -+ kernel_cap_t cap_audit = __cap_empty_set; -+ -+ if (!gr_acl_is_enabled()) -+ return 1; -+ -+ curracl = task->acl; -+ -+ cap_drop = curracl->cap_lower; -+ cap_mask = curracl->cap_mask; -+ cap_audit = curracl->cap_invert_audit; -+ -+ while ((curracl = curracl->parent_subject)) { -+ /* if the cap isn't specified in the current computed mask but is specified in the -+ current level subject, and is lowered in the current level subject, then add -+ it to the set of dropped capabilities -+ otherwise, add the current level subject's mask to the current computed mask -+ */ -+ if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) { -+ cap_raise(cap_mask, cap); -+ if (cap_raised(curracl->cap_lower, cap)) -+ cap_raise(cap_drop, cap); -+ if (cap_raised(curracl->cap_invert_audit, cap)) -+ cap_raise(cap_audit, cap); -+ } -+ } -+ -+ if (!cap_raised(cap_drop, cap)) { -+ if (cap_raised(cap_audit, cap)) -+ gr_log_cap(GR_DO_AUDIT, GR_CAP_ACL_MSG2, task, captab_log[cap]); -+ return 1; -+ } -+ -+ /* only learn the capability use if the process has the capability in the -+ general case, the two uses in sys.c of gr_learn_cap are an exception -+ to this rule to ensure any role transition involves what the full-learned -+ policy believes in a privileged process -+ */ -+ if (cap_raised(cred->cap_effective, cap) && gr_learn_cap(task, cred, cap)) -+ return 1; -+ -+ if ((cap >= 0) && (cap < captab_log_entries) && cap_raised(cred->cap_effective, cap) && !cap_raised(cap_audit, cap)) -+ gr_log_cap(GR_DONT_AUDIT, GR_CAP_ACL_MSG, task, captab_log[cap]); -+ -+ return 0; -+} -+ -+int -+gr_acl_is_capable(const int cap) -+{ -+ return gr_task_acl_is_capable(current, current_cred(), cap); -+} -+ -+int gr_task_acl_is_capable_nolog(const struct task_struct *task, const int cap) -+{ -+ struct acl_subject_label *curracl; -+ kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set; -+ -+ if (!gr_acl_is_enabled()) -+ return 1; -+ -+ curracl = task->acl; -+ -+ cap_drop = curracl->cap_lower; -+ cap_mask = curracl->cap_mask; -+ -+ while ((curracl = curracl->parent_subject)) { -+ /* if the cap isn't specified in the current computed mask but is specified in the -+ current level subject, and is lowered in the current level subject, then add -+ it to the set of dropped capabilities -+ otherwise, add the current level subject's mask to the current computed mask -+ */ -+ if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) { -+ cap_raise(cap_mask, cap); -+ if (cap_raised(curracl->cap_lower, cap)) -+ cap_raise(cap_drop, cap); -+ } -+ } -+ -+ if (!cap_raised(cap_drop, cap)) -+ return 1; -+ -+ return 0; -+} -+ -+int -+gr_acl_is_capable_nolog(const int cap) -+{ -+ return gr_task_acl_is_capable_nolog(current, cap); -+} -+ -diff --git a/grsecurity/gracl_compat.c b/grsecurity/gracl_compat.c -new file mode 100644 -index 0000000..a43dd06 ---- /dev/null -+++ b/grsecurity/gracl_compat.c -@@ -0,0 +1,269 @@ -+#include <linux/kernel.h> -+#include <linux/gracl.h> -+#include <linux/compat.h> -+#include <linux/gracl_compat.h> -+ -+#include <asm/uaccess.h> -+ -+int copy_gr_arg_wrapper_compat(const char *buf, struct gr_arg_wrapper *uwrap) -+{ -+ struct gr_arg_wrapper_compat uwrapcompat; -+ -+ if (copy_from_user(&uwrapcompat, buf, sizeof(uwrapcompat))) -+ return -EFAULT; -+ -+ if ((uwrapcompat.version != GRSECURITY_VERSION) || -+ (uwrapcompat.size != sizeof(struct gr_arg_compat))) -+ return -EINVAL; -+ -+ uwrap->arg = compat_ptr(uwrapcompat.arg); -+ uwrap->version = uwrapcompat.version; -+ uwrap->size = sizeof(struct gr_arg); -+ -+ return 0; -+} -+ -+int copy_gr_arg_compat(const struct gr_arg __user *buf, struct gr_arg *arg) -+{ -+ struct gr_arg_compat argcompat; -+ -+ if (copy_from_user(&argcompat, buf, sizeof(argcompat))) -+ return -EFAULT; -+ -+ arg->role_db.r_table = compat_ptr(argcompat.role_db.r_table); -+ arg->role_db.num_pointers = argcompat.role_db.num_pointers; -+ arg->role_db.num_roles = argcompat.role_db.num_roles; -+ arg->role_db.num_domain_children = argcompat.role_db.num_domain_children; -+ arg->role_db.num_subjects = argcompat.role_db.num_subjects; -+ arg->role_db.num_objects = argcompat.role_db.num_objects; -+ -+ memcpy(&arg->pw, &argcompat.pw, sizeof(arg->pw)); -+ memcpy(&arg->salt, &argcompat.salt, sizeof(arg->salt)); -+ memcpy(&arg->sum, &argcompat.sum, sizeof(arg->sum)); -+ memcpy(&arg->sp_role, &argcompat.sp_role, sizeof(arg->sp_role)); -+ arg->sprole_pws = compat_ptr(argcompat.sprole_pws); -+ arg->segv_device = argcompat.segv_device; -+ arg->segv_inode = argcompat.segv_inode; -+ arg->segv_uid = argcompat.segv_uid; -+ arg->num_sprole_pws = argcompat.num_sprole_pws; -+ arg->mode = argcompat.mode; -+ -+ return 0; -+} -+ -+int copy_acl_object_label_compat(struct acl_object_label *obj, const struct acl_object_label *userp) -+{ -+ struct acl_object_label_compat objcompat; -+ -+ if (copy_from_user(&objcompat, userp, sizeof(objcompat))) -+ return -EFAULT; -+ -+ obj->filename = compat_ptr(objcompat.filename); -+ obj->inode = objcompat.inode; -+ obj->device = objcompat.device; -+ obj->mode = objcompat.mode; -+ -+ obj->nested = compat_ptr(objcompat.nested); -+ obj->globbed = compat_ptr(objcompat.globbed); -+ -+ obj->prev = compat_ptr(objcompat.prev); -+ obj->next = compat_ptr(objcompat.next); -+ -+ return 0; -+} -+ -+int copy_acl_subject_label_compat(struct acl_subject_label *subj, const struct acl_subject_label *userp) -+{ -+ unsigned int i; -+ struct acl_subject_label_compat subjcompat; -+ -+ if (copy_from_user(&subjcompat, userp, sizeof(subjcompat))) -+ return -EFAULT; -+ -+ subj->filename = compat_ptr(subjcompat.filename); -+ subj->inode = subjcompat.inode; -+ subj->device = subjcompat.device; -+ subj->mode = subjcompat.mode; -+ subj->cap_mask = subjcompat.cap_mask; -+ subj->cap_lower = subjcompat.cap_lower; -+ subj->cap_invert_audit = subjcompat.cap_invert_audit; -+ -+ for (i = 0; i < GR_NLIMITS; i++) { -+ if (subjcompat.res[i].rlim_cur == COMPAT_RLIM_INFINITY) -+ subj->res[i].rlim_cur = RLIM_INFINITY; -+ else -+ subj->res[i].rlim_cur = subjcompat.res[i].rlim_cur; -+ if (subjcompat.res[i].rlim_max == COMPAT_RLIM_INFINITY) -+ subj->res[i].rlim_max = RLIM_INFINITY; -+ else -+ subj->res[i].rlim_max = subjcompat.res[i].rlim_max; -+ } -+ subj->resmask = subjcompat.resmask; -+ -+ subj->user_trans_type = subjcompat.user_trans_type; -+ subj->group_trans_type = subjcompat.group_trans_type; -+ subj->user_transitions = compat_ptr(subjcompat.user_transitions); -+ subj->group_transitions = compat_ptr(subjcompat.group_transitions); -+ subj->user_trans_num = subjcompat.user_trans_num; -+ subj->group_trans_num = subjcompat.group_trans_num; -+ -+ memcpy(&subj->sock_families, &subjcompat.sock_families, sizeof(subj->sock_families)); -+ memcpy(&subj->ip_proto, &subjcompat.ip_proto, sizeof(subj->ip_proto)); -+ subj->ip_type = subjcompat.ip_type; -+ subj->ips = compat_ptr(subjcompat.ips); -+ subj->ip_num = subjcompat.ip_num; -+ subj->inaddr_any_override = subjcompat.inaddr_any_override; -+ -+ subj->crashes = subjcompat.crashes; -+ subj->expires = subjcompat.expires; -+ -+ subj->parent_subject = compat_ptr(subjcompat.parent_subject); -+ subj->hash = compat_ptr(subjcompat.hash); -+ subj->prev = compat_ptr(subjcompat.prev); -+ subj->next = compat_ptr(subjcompat.next); -+ -+ subj->obj_hash = compat_ptr(subjcompat.obj_hash); -+ subj->obj_hash_size = subjcompat.obj_hash_size; -+ subj->pax_flags = subjcompat.pax_flags; -+ -+ return 0; -+} -+ -+int copy_acl_role_label_compat(struct acl_role_label *role, const struct acl_role_label *userp) -+{ -+ struct acl_role_label_compat rolecompat; -+ -+ if (copy_from_user(&rolecompat, userp, sizeof(rolecompat))) -+ return -EFAULT; -+ -+ role->rolename = compat_ptr(rolecompat.rolename); -+ role->uidgid = rolecompat.uidgid; -+ role->roletype = rolecompat.roletype; -+ -+ role->auth_attempts = rolecompat.auth_attempts; -+ role->expires = rolecompat.expires; -+ -+ role->root_label = compat_ptr(rolecompat.root_label); -+ role->hash = compat_ptr(rolecompat.hash); -+ -+ role->prev = compat_ptr(rolecompat.prev); -+ role->next = compat_ptr(rolecompat.next); -+ -+ role->transitions = compat_ptr(rolecompat.transitions); -+ role->allowed_ips = compat_ptr(rolecompat.allowed_ips); -+ role->domain_children = compat_ptr(rolecompat.domain_children); -+ role->domain_child_num = rolecompat.domain_child_num; -+ -+ role->umask = rolecompat.umask; -+ -+ role->subj_hash = compat_ptr(rolecompat.subj_hash); -+ role->subj_hash_size = rolecompat.subj_hash_size; -+ -+ return 0; -+} -+ -+int copy_role_allowed_ip_compat(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp) -+{ -+ struct role_allowed_ip_compat roleip_compat; -+ -+ if (copy_from_user(&roleip_compat, userp, sizeof(roleip_compat))) -+ return -EFAULT; -+ -+ roleip->addr = roleip_compat.addr; -+ roleip->netmask = roleip_compat.netmask; -+ -+ roleip->prev = compat_ptr(roleip_compat.prev); -+ roleip->next = compat_ptr(roleip_compat.next); -+ -+ return 0; -+} -+ -+int copy_role_transition_compat(struct role_transition *trans, const struct role_transition *userp) -+{ -+ struct role_transition_compat trans_compat; -+ -+ if (copy_from_user(&trans_compat, userp, sizeof(trans_compat))) -+ return -EFAULT; -+ -+ trans->rolename = compat_ptr(trans_compat.rolename); -+ -+ trans->prev = compat_ptr(trans_compat.prev); -+ trans->next = compat_ptr(trans_compat.next); -+ -+ return 0; -+ -+} -+ -+int copy_gr_hash_struct_compat(struct gr_hash_struct *hash, const struct gr_hash_struct *userp) -+{ -+ struct gr_hash_struct_compat hash_compat; -+ -+ if (copy_from_user(&hash_compat, userp, sizeof(hash_compat))) -+ return -EFAULT; -+ -+ hash->table = compat_ptr(hash_compat.table); -+ hash->nametable = compat_ptr(hash_compat.nametable); -+ hash->first = compat_ptr(hash_compat.first); -+ -+ hash->table_size = hash_compat.table_size; -+ hash->used_size = hash_compat.used_size; -+ -+ hash->type = hash_compat.type; -+ -+ return 0; -+} -+ -+int copy_pointer_from_array_compat(void *ptr, unsigned long idx, const void *userp) -+{ -+ compat_uptr_t ptrcompat; -+ -+ if (copy_from_user(&ptrcompat, userp + (idx * sizeof(ptrcompat)), sizeof(ptrcompat))) -+ return -EFAULT; -+ -+ *(void **)ptr = compat_ptr(ptrcompat); -+ -+ return 0; -+} -+ -+int copy_acl_ip_label_compat(struct acl_ip_label *ip, const struct acl_ip_label *userp) -+{ -+ struct acl_ip_label_compat ip_compat; -+ -+ if (copy_from_user(&ip_compat, userp, sizeof(ip_compat))) -+ return -EFAULT; -+ -+ ip->iface = compat_ptr(ip_compat.iface); -+ ip->addr = ip_compat.addr; -+ ip->netmask = ip_compat.netmask; -+ ip->low = ip_compat.low; -+ ip->high = ip_compat.high; -+ ip->mode = ip_compat.mode; -+ ip->type = ip_compat.type; -+ -+ memcpy(&ip->proto, &ip_compat.proto, sizeof(ip->proto)); -+ -+ ip->prev = compat_ptr(ip_compat.prev); -+ ip->next = compat_ptr(ip_compat.next); -+ -+ return 0; -+} -+ -+int copy_sprole_pw_compat(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp) -+{ -+ struct sprole_pw_compat pw_compat; -+ -+ if (copy_from_user(&pw_compat, (const void *)userp + (sizeof(pw_compat) * idx), sizeof(pw_compat))) -+ return -EFAULT; -+ -+ pw->rolename = compat_ptr(pw_compat.rolename); -+ memcpy(&pw->salt, pw_compat.salt, sizeof(pw->salt)); -+ memcpy(&pw->sum, pw_compat.sum, sizeof(pw->sum)); -+ -+ return 0; -+} -+ -+size_t get_gr_arg_wrapper_size_compat(void) -+{ -+ return sizeof(struct gr_arg_wrapper_compat); -+} -+ -diff --git a/grsecurity/gracl_fs.c b/grsecurity/gracl_fs.c -new file mode 100644 -index 0000000..fce7f71 ---- /dev/null -+++ b/grsecurity/gracl_fs.c -@@ -0,0 +1,448 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/types.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/stat.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/gracl.h> -+ -+umode_t -+gr_acl_umask(void) -+{ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ return current->role->umask; -+} -+ -+__u32 -+gr_acl_handle_hidden_file(const struct dentry * dentry, -+ const struct vfsmount * mnt) -+{ -+ __u32 mode; -+ -+ if (unlikely(d_is_negative(dentry))) -+ return GR_FIND; -+ -+ mode = -+ gr_search_file(dentry, GR_FIND | GR_AUDIT_FIND | GR_SUPPRESS, mnt); -+ -+ if (unlikely(mode & GR_FIND && mode & GR_AUDIT_FIND)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt); -+ return mode; -+ } else if (unlikely(!(mode & GR_FIND) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt); -+ return 0; -+ } else if (unlikely(!(mode & GR_FIND))) -+ return 0; -+ -+ return GR_FIND; -+} -+ -+__u32 -+gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt, -+ int acc_mode) -+{ -+ __u32 reqmode = GR_FIND; -+ __u32 mode; -+ -+ if (unlikely(d_is_negative(dentry))) -+ return reqmode; -+ -+ if (acc_mode & MAY_APPEND) -+ reqmode |= GR_APPEND; -+ else if (acc_mode & MAY_WRITE) -+ reqmode |= GR_WRITE; -+ if ((acc_mode & MAY_READ) && !d_is_dir(dentry)) -+ reqmode |= GR_READ; -+ -+ mode = -+ gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, -+ mnt); -+ -+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return reqmode; -+ } else -+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS))) -+ { -+ gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return 0; -+ } else if (unlikely((mode & reqmode) != reqmode)) -+ return 0; -+ -+ return reqmode; -+} -+ -+__u32 -+gr_acl_handle_creat(const struct dentry * dentry, -+ const struct dentry * p_dentry, -+ const struct vfsmount * p_mnt, int open_flags, int acc_mode, -+ const int imode) -+{ -+ __u32 reqmode = GR_WRITE | GR_CREATE; -+ __u32 mode; -+ -+ if (acc_mode & MAY_APPEND) -+ reqmode |= GR_APPEND; -+ // if a directory was required or the directory already exists, then -+ // don't count this open as a read -+ if ((acc_mode & MAY_READ) && -+ !((open_flags & O_DIRECTORY) || d_is_dir(dentry))) -+ reqmode |= GR_READ; -+ if ((open_flags & O_CREAT) && -+ ((imode & S_ISUID) || ((imode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)))) -+ reqmode |= GR_SETID; -+ -+ mode = -+ gr_check_create(dentry, p_dentry, p_mnt, -+ reqmode | to_gr_audit(reqmode) | GR_SUPPRESS); -+ -+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return reqmode; -+ } else -+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS))) -+ { -+ gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return 0; -+ } else if (unlikely((mode & reqmode) != reqmode)) -+ return 0; -+ -+ return reqmode; -+} -+ -+__u32 -+gr_acl_handle_access(const struct dentry * dentry, const struct vfsmount * mnt, -+ const int fmode) -+{ -+ __u32 mode, reqmode = GR_FIND; -+ -+ if ((fmode & S_IXOTH) && !d_is_dir(dentry)) -+ reqmode |= GR_EXEC; -+ if (fmode & S_IWOTH) -+ reqmode |= GR_WRITE; -+ if (fmode & S_IROTH) -+ reqmode |= GR_READ; -+ -+ mode = -+ gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, -+ mnt); -+ -+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_mode3(GR_DO_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : "", -+ reqmode & GR_EXEC ? " executing" : ""); -+ return reqmode; -+ } else -+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS))) -+ { -+ gr_log_fs_rbac_mode3(GR_DONT_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : "", -+ reqmode & GR_EXEC ? " executing" : ""); -+ return 0; -+ } else if (unlikely((mode & reqmode) != reqmode)) -+ return 0; -+ -+ return reqmode; -+} -+ -+static __u32 generic_fs_handler(const struct dentry *dentry, const struct vfsmount *mnt, __u32 reqmode, const char *fmt) -+{ -+ __u32 mode; -+ -+ mode = gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, mnt); -+ -+ if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, dentry, mnt); -+ return mode; -+ } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, dentry, mnt); -+ return 0; -+ } else if (unlikely((mode & (reqmode)) != (reqmode))) -+ return 0; -+ -+ return (reqmode); -+} -+ -+__u32 -+gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_RMDIR_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_unlink(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_UNLINK_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_truncate(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_TRUNCATE_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_utime(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_ATIME_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_chmod(const struct dentry *dentry, const struct vfsmount *mnt, -+ umode_t *modeptr) -+{ -+ umode_t mode; -+ struct inode *inode = d_backing_inode(dentry); -+ -+ *modeptr &= ~gr_acl_umask(); -+ mode = *modeptr; -+ -+ if (unlikely(inode && S_ISSOCK(inode->i_mode))) -+ return 1; -+ -+ if (unlikely(!d_is_dir(dentry) && -+ ((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))))) { -+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_SETID, -+ GR_CHMOD_ACL_MSG); -+ } else { -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHMOD_ACL_MSG); -+ } -+} -+ -+__u32 -+gr_acl_handle_chown(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHOWN_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_setxattr(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_SETXATTR_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_removexattr(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_REMOVEXATTR_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_execve(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_EXEC, GR_EXEC_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_unix(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_READ | GR_WRITE, -+ GR_UNIXCONNECT_ACL_MSG); -+} -+ -+/* hardlinks require at minimum create and link permission, -+ any additional privilege required is based on the -+ privilege of the file being linked to -+*/ -+__u32 -+gr_acl_handle_link(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const struct dentry * old_dentry, -+ const struct vfsmount * old_mnt, const struct filename *to) -+{ -+ __u32 mode; -+ __u32 needmode = GR_CREATE | GR_LINK; -+ __u32 needaudit = GR_AUDIT_CREATE | GR_AUDIT_LINK; -+ -+ mode = -+ gr_check_link(new_dentry, parent_dentry, parent_mnt, old_dentry, -+ old_mnt); -+ -+ if (unlikely(((mode & needmode) == needmode) && (mode & needaudit))) { -+ gr_log_fs_rbac_str(GR_DO_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to->name); -+ return mode; -+ } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to->name); -+ return 0; -+ } else if (unlikely((mode & needmode) != needmode)) -+ return 0; -+ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_symlink(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, const struct filename *from) -+{ -+ __u32 needmode = GR_WRITE | GR_CREATE; -+ __u32 mode; -+ -+ mode = -+ gr_check_create(new_dentry, parent_dentry, parent_mnt, -+ GR_CREATE | GR_AUDIT_CREATE | -+ GR_WRITE | GR_AUDIT_WRITE | GR_SUPPRESS); -+ -+ if (unlikely(mode & GR_WRITE && mode & GR_AUDITS)) { -+ gr_log_fs_str_rbac(GR_DO_AUDIT, GR_SYMLINK_ACL_MSG, from->name, new_dentry, parent_mnt); -+ return mode; -+ } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_str_rbac(GR_DONT_AUDIT, GR_SYMLINK_ACL_MSG, from->name, new_dentry, parent_mnt); -+ return 0; -+ } else if (unlikely((mode & needmode) != needmode)) -+ return 0; -+ -+ return (GR_WRITE | GR_CREATE); -+} -+ -+static __u32 generic_fs_create_handler(const struct dentry *new_dentry, const struct dentry *parent_dentry, const struct vfsmount *parent_mnt, __u32 reqmode, const char *fmt) -+{ -+ __u32 mode; -+ -+ mode = gr_check_create(new_dentry, parent_dentry, parent_mnt, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS); -+ -+ if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, new_dentry, parent_mnt); -+ return mode; -+ } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, new_dentry, parent_mnt); -+ return 0; -+ } else if (unlikely((mode & (reqmode)) != (reqmode))) -+ return 0; -+ -+ return (reqmode); -+} -+ -+__u32 -+gr_acl_handle_mknod(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const int mode) -+{ -+ __u32 reqmode = GR_WRITE | GR_CREATE; -+ if (unlikely((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)))) -+ reqmode |= GR_SETID; -+ -+ return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt, -+ reqmode, GR_MKNOD_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_mkdir(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt) -+{ -+ return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt, -+ GR_WRITE | GR_CREATE, GR_MKDIR_ACL_MSG); -+} -+ -+#define RENAME_CHECK_SUCCESS(old, new) \ -+ (((old & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ)) && \ -+ ((new & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ))) -+ -+int -+gr_acl_handle_rename(struct dentry *new_dentry, -+ struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ struct dentry *old_dentry, -+ struct inode *old_parent_inode, -+ struct vfsmount *old_mnt, const struct filename *newname, unsigned int flags) -+{ -+ __u32 comp1, comp2; -+ int error = 0; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ if (flags & RENAME_EXCHANGE) { -+ comp1 = gr_search_file(new_dentry, GR_READ | GR_WRITE | -+ GR_AUDIT_READ | GR_AUDIT_WRITE | -+ GR_SUPPRESS, parent_mnt); -+ comp2 = -+ gr_search_file(old_dentry, -+ GR_READ | GR_WRITE | GR_AUDIT_READ | -+ GR_AUDIT_WRITE | GR_SUPPRESS, old_mnt); -+ } else if (d_is_negative(new_dentry)) { -+ comp1 = gr_check_create(new_dentry, parent_dentry, parent_mnt, -+ GR_READ | GR_WRITE | GR_CREATE | GR_AUDIT_READ | -+ GR_AUDIT_WRITE | GR_AUDIT_CREATE | GR_SUPPRESS); -+ comp2 = gr_search_file(old_dentry, GR_READ | GR_WRITE | -+ GR_DELETE | GR_AUDIT_DELETE | -+ GR_AUDIT_READ | GR_AUDIT_WRITE | -+ GR_SUPPRESS, old_mnt); -+ } else { -+ comp1 = gr_search_file(new_dentry, GR_READ | GR_WRITE | -+ GR_CREATE | GR_DELETE | -+ GR_AUDIT_CREATE | GR_AUDIT_DELETE | -+ GR_AUDIT_READ | GR_AUDIT_WRITE | -+ GR_SUPPRESS, parent_mnt); -+ comp2 = -+ gr_search_file(old_dentry, -+ GR_READ | GR_WRITE | GR_AUDIT_READ | -+ GR_DELETE | GR_AUDIT_DELETE | -+ GR_AUDIT_WRITE | GR_SUPPRESS, old_mnt); -+ } -+ -+ if (RENAME_CHECK_SUCCESS(comp1, comp2) && -+ ((comp1 & GR_AUDITS) || (comp2 & GR_AUDITS))) -+ gr_log_fs_rbac_str(GR_DO_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname->name); -+ else if (!RENAME_CHECK_SUCCESS(comp1, comp2) && !(comp1 & GR_SUPPRESS) -+ && !(comp2 & GR_SUPPRESS)) { -+ gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname->name); -+ error = -EACCES; -+ } else if (unlikely(!RENAME_CHECK_SUCCESS(comp1, comp2))) -+ error = -EACCES; -+ -+ return error; -+} -+ -+void -+gr_acl_handle_exit(void) -+{ -+ u16 id; -+ char *rolename; -+ -+ if (unlikely(current->acl_sp_role && gr_acl_is_enabled() && -+ !(current->role->roletype & GR_ROLE_PERSIST))) { -+ id = current->acl_role_id; -+ rolename = current->role->rolename; -+ gr_set_acls(1); -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLEL_ACL_MSG, rolename, id); -+ } -+ -+ gr_put_exec_file(current); -+ return; -+} -+ -+int -+gr_acl_handle_procpidmem(const struct task_struct *task) -+{ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ if (task != current && (task->acl->mode & GR_PROTPROCFD) && -+ !(current->acl->mode & GR_POVERRIDE) && -+ !(current->role->roletype & GR_ROLE_GOD)) -+ return -EACCES; -+ -+ return 0; -+} -diff --git a/grsecurity/gracl_ip.c b/grsecurity/gracl_ip.c -new file mode 100644 -index 0000000..ed6ee43 ---- /dev/null -+++ b/grsecurity/gracl_ip.c -@@ -0,0 +1,386 @@ -+#include <linux/kernel.h> -+#include <asm/uaccess.h> -+#include <asm/errno.h> -+#include <net/sock.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/skbuff.h> -+#include <linux/ip.h> -+#include <linux/udp.h> -+#include <linux/types.h> -+#include <linux/sched.h> -+#include <linux/netdevice.h> -+#include <linux/inetdevice.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+#define GR_BIND 0x01 -+#define GR_CONNECT 0x02 -+#define GR_INVERT 0x04 -+#define GR_BINDOVERRIDE 0x08 -+#define GR_CONNECTOVERRIDE 0x10 -+#define GR_SOCK_FAMILY 0x20 -+ -+static const char * gr_protocols[IPPROTO_MAX] = { -+ "ip", "icmp", "igmp", "ggp", "ipencap", "st", "tcp", "cbt", -+ "egp", "igp", "bbn-rcc", "nvp", "pup", "argus", "emcon", "xnet", -+ "chaos", "udp", "mux", "dcn", "hmp", "prm", "xns-idp", "trunk-1", -+ "trunk-2", "leaf-1", "leaf-2", "rdp", "irtp", "iso-tp4", "netblt", "mfe-nsp", -+ "merit-inp", "sep", "3pc", "idpr", "xtp", "ddp", "idpr-cmtp", "tp++", -+ "il", "ipv6", "sdrp", "ipv6-route", "ipv6-frag", "idrp", "rsvp", "gre", -+ "mhrp", "bna", "ipv6-crypt", "ipv6-auth", "i-nlsp", "swipe", "narp", "mobile", -+ "tlsp", "skip", "ipv6-icmp", "ipv6-nonxt", "ipv6-opts", "unknown:61", "cftp", "unknown:63", -+ "sat-expak", "kryptolan", "rvd", "ippc", "unknown:68", "sat-mon", "visa", "ipcv", -+ "cpnx", "cphb", "wsn", "pvp", "br-sat-mon", "sun-nd", "wb-mon", "wb-expak", -+ "iso-ip", "vmtp", "secure-vmtp", "vines", "ttp", "nfsnet-igp", "dgp", "tcf", -+ "eigrp", "ospf", "sprite-rpc", "larp", "mtp", "ax.25", "ipip", "micp", -+ "scc-sp", "etherip", "encap", "unknown:99", "gmtp", "ifmp", "pnni", "pim", -+ "aris", "scps", "qnx", "a/n", "ipcomp", "snp", "compaq-peer", "ipx-in-ip", -+ "vrrp", "pgm", "unknown:114", "l2tp", "ddx", "iatp", "stp", "srp", -+ "uti", "smp", "sm", "ptp", "isis", "fire", "crtp", "crdup", -+ "sscopmce", "iplt", "sps", "pipe", "sctp", "fc", "unkown:134", "unknown:135", -+ "unknown:136", "unknown:137", "unknown:138", "unknown:139", "unknown:140", "unknown:141", "unknown:142", "unknown:143", -+ "unknown:144", "unknown:145", "unknown:146", "unknown:147", "unknown:148", "unknown:149", "unknown:150", "unknown:151", -+ "unknown:152", "unknown:153", "unknown:154", "unknown:155", "unknown:156", "unknown:157", "unknown:158", "unknown:159", -+ "unknown:160", "unknown:161", "unknown:162", "unknown:163", "unknown:164", "unknown:165", "unknown:166", "unknown:167", -+ "unknown:168", "unknown:169", "unknown:170", "unknown:171", "unknown:172", "unknown:173", "unknown:174", "unknown:175", -+ "unknown:176", "unknown:177", "unknown:178", "unknown:179", "unknown:180", "unknown:181", "unknown:182", "unknown:183", -+ "unknown:184", "unknown:185", "unknown:186", "unknown:187", "unknown:188", "unknown:189", "unknown:190", "unknown:191", -+ "unknown:192", "unknown:193", "unknown:194", "unknown:195", "unknown:196", "unknown:197", "unknown:198", "unknown:199", -+ "unknown:200", "unknown:201", "unknown:202", "unknown:203", "unknown:204", "unknown:205", "unknown:206", "unknown:207", -+ "unknown:208", "unknown:209", "unknown:210", "unknown:211", "unknown:212", "unknown:213", "unknown:214", "unknown:215", -+ "unknown:216", "unknown:217", "unknown:218", "unknown:219", "unknown:220", "unknown:221", "unknown:222", "unknown:223", -+ "unknown:224", "unknown:225", "unknown:226", "unknown:227", "unknown:228", "unknown:229", "unknown:230", "unknown:231", -+ "unknown:232", "unknown:233", "unknown:234", "unknown:235", "unknown:236", "unknown:237", "unknown:238", "unknown:239", -+ "unknown:240", "unknown:241", "unknown:242", "unknown:243", "unknown:244", "unknown:245", "unknown:246", "unknown:247", -+ "unknown:248", "unknown:249", "unknown:250", "unknown:251", "unknown:252", "unknown:253", "unknown:254", "unknown:255", -+ }; -+ -+static const char * gr_socktypes[SOCK_MAX] = { -+ "unknown:0", "stream", "dgram", "raw", "rdm", "seqpacket", "unknown:6", -+ "unknown:7", "unknown:8", "unknown:9", "packet" -+ }; -+ -+static const char * gr_sockfamilies[AF_MAX+1] = { -+ "unspec", "unix", "inet", "ax25", "ipx", "appletalk", "netrom", "bridge", "atmpvc", "x25", -+ "inet6", "rose", "decnet", "netbeui", "security", "key", "netlink", "packet", "ash", -+ "econet", "atmsvc", "rds", "sna", "irda", "ppox", "wanpipe", "llc", "fam_27", "fam_28", -+ "tipc", "bluetooth", "iucv", "rxrpc", "isdn", "phonet", "ieee802154", "ciaf", "alg", "nfc", "vsock" -+ }; -+ -+const char * -+gr_proto_to_name(unsigned char proto) -+{ -+ return gr_protocols[proto]; -+} -+ -+const char * -+gr_socktype_to_name(unsigned char type) -+{ -+ return gr_socktypes[type]; -+} -+ -+const char * -+gr_sockfamily_to_name(unsigned char family) -+{ -+ return gr_sockfamilies[family]; -+} -+ -+extern const struct net_proto_family __rcu *net_families[NPROTO] __read_mostly; -+ -+int -+gr_search_socket(const int domain, const int type, const int protocol) -+{ -+ struct acl_subject_label *curr; -+ const struct cred *cred = current_cred(); -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ goto exit; -+ -+ if ((domain < 0) || (type < 0) || (protocol < 0) || -+ (domain >= AF_MAX) || (type >= SOCK_MAX) || (protocol >= IPPROTO_MAX)) -+ goto exit; // let the kernel handle it -+ -+ curr = current->acl; -+ -+ if (curr->sock_families[domain / 32] & (1U << (domain % 32))) { -+ /* the family is allowed, if this is PF_INET allow it only if -+ the extra sock type/protocol checks pass */ -+ if (domain == PF_INET) -+ goto inet_check; -+ goto exit; -+ } else { -+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ __u32 fakeip = 0; -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, GR_GLOBAL_UID(cred->uid), -+ GR_GLOBAL_GID(cred->gid), current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &fakeip, domain, 0, 0, GR_SOCK_FAMILY, -+ &current->signal->saved_ip); -+ goto exit; -+ } -+ goto exit_fail; -+ } -+ -+inet_check: -+ /* the rest of this checking is for IPv4 only */ -+ if (!curr->ips) -+ goto exit; -+ -+ if ((curr->ip_type & (1U << type)) && -+ (curr->ip_proto[protocol / 32] & (1U << (protocol % 32)))) -+ goto exit; -+ -+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ /* we don't place acls on raw sockets , and sometimes -+ dgram/ip sockets are opened for ioctl and not -+ bind/connect, so we'll fake a bind learn log */ -+ if (type == SOCK_RAW || type == SOCK_PACKET) { -+ __u32 fakeip = 0; -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, GR_GLOBAL_UID(cred->uid), -+ GR_GLOBAL_GID(cred->gid), current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &fakeip, 0, type, -+ protocol, GR_CONNECT, &current->signal->saved_ip); -+ } else if ((type == SOCK_DGRAM) && (protocol == IPPROTO_IP)) { -+ __u32 fakeip = 0; -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, GR_GLOBAL_UID(cred->uid), -+ GR_GLOBAL_GID(cred->gid), current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &fakeip, 0, type, -+ protocol, GR_BIND, &current->signal->saved_ip); -+ } -+ /* we'll log when they use connect or bind */ -+ goto exit; -+ } -+ -+exit_fail: -+ if (domain == PF_INET) -+ gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(domain), -+ gr_socktype_to_name(type), gr_proto_to_name(protocol)); -+ else if (rcu_access_pointer(net_families[domain]) != NULL) -+ gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(domain), -+ gr_socktype_to_name(type), protocol); -+ -+ return 0; -+exit: -+ return 1; -+} -+ -+int check_ip_policy(struct acl_ip_label *ip, __u32 ip_addr, __u16 ip_port, __u8 protocol, const int mode, const int type, __u32 our_addr, __u32 our_netmask) -+{ -+ if ((ip->mode & mode) && -+ (ip_port >= ip->low) && -+ (ip_port <= ip->high) && -+ ((ntohl(ip_addr) & our_netmask) == -+ (ntohl(our_addr) & our_netmask)) -+ && (ip->proto[protocol / 32] & (1U << (protocol % 32))) -+ && (ip->type & (1U << type))) { -+ if (ip->mode & GR_INVERT) -+ return 2; // specifically denied -+ else -+ return 1; // allowed -+ } -+ -+ return 0; // not specifically allowed, may continue parsing -+} -+ -+static int -+gr_search_connectbind(const int full_mode, struct sock *sk, -+ struct sockaddr_in *addr, const int type) -+{ -+ char iface[IFNAMSIZ] = {0}; -+ struct acl_subject_label *curr; -+ struct acl_ip_label *ip; -+ struct inet_sock *isk; -+ struct net_device *dev; -+ struct in_device *idev; -+ unsigned long i; -+ int ret; -+ int mode = full_mode & (GR_BIND | GR_CONNECT); -+ __u32 ip_addr = 0; -+ __u32 our_addr; -+ __u32 our_netmask; -+ char *p; -+ __u16 ip_port = 0; -+ const struct cred *cred = current_cred(); -+ -+ if (unlikely(!gr_acl_is_enabled() || sk->sk_family != PF_INET)) -+ return 0; -+ -+ curr = current->acl; -+ isk = inet_sk(sk); -+ -+ /* INADDR_ANY overriding for binds, inaddr_any_override is already in network order */ -+ if ((full_mode & GR_BINDOVERRIDE) && addr->sin_addr.s_addr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0) -+ addr->sin_addr.s_addr = curr->inaddr_any_override; -+ if ((full_mode & GR_CONNECT) && isk->inet_saddr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0) { -+ struct sockaddr_in saddr; -+ int err; -+ -+ saddr.sin_family = AF_INET; -+ saddr.sin_addr.s_addr = curr->inaddr_any_override; -+ saddr.sin_port = isk->inet_sport; -+ -+ err = security_socket_bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in)); -+ if (err) -+ return err; -+ -+ err = sk->sk_socket->ops->bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in)); -+ if (err) -+ return err; -+ } -+ -+ if (!curr->ips) -+ return 0; -+ -+ ip_addr = addr->sin_addr.s_addr; -+ ip_port = ntohs(addr->sin_port); -+ -+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, GR_GLOBAL_UID(cred->uid), -+ GR_GLOBAL_GID(cred->gid), current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &ip_addr, ip_port, type, -+ sk->sk_protocol, mode, &current->signal->saved_ip); -+ return 0; -+ } -+ -+ for (i = 0; i < curr->ip_num; i++) { -+ ip = *(curr->ips + i); -+ if (ip->iface != NULL) { -+ strncpy(iface, ip->iface, IFNAMSIZ - 1); -+ p = strchr(iface, ':'); -+ if (p != NULL) -+ *p = '\0'; -+ dev = dev_get_by_name(sock_net(sk), iface); -+ if (dev == NULL) -+ continue; -+ idev = in_dev_get(dev); -+ if (idev == NULL) { -+ dev_put(dev); -+ continue; -+ } -+ rcu_read_lock(); -+ for_ifa(idev) { -+ if (!strcmp(ip->iface, ifa->ifa_label)) { -+ our_addr = ifa->ifa_address; -+ our_netmask = 0xffffffff; -+ ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask); -+ if (ret == 1) { -+ rcu_read_unlock(); -+ in_dev_put(idev); -+ dev_put(dev); -+ return 0; -+ } else if (ret == 2) { -+ rcu_read_unlock(); -+ in_dev_put(idev); -+ dev_put(dev); -+ goto denied; -+ } -+ } -+ } endfor_ifa(idev); -+ rcu_read_unlock(); -+ in_dev_put(idev); -+ dev_put(dev); -+ } else { -+ our_addr = ip->addr; -+ our_netmask = ip->netmask; -+ ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask); -+ if (ret == 1) -+ return 0; -+ else if (ret == 2) -+ goto denied; -+ } -+ } -+ -+denied: -+ if (mode == GR_BIND) -+ gr_log_int5_str2(GR_DONT_AUDIT, GR_BIND_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol)); -+ else if (mode == GR_CONNECT) -+ gr_log_int5_str2(GR_DONT_AUDIT, GR_CONNECT_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol)); -+ -+ return -EACCES; -+} -+ -+int -+gr_search_connect(struct socket *sock, struct sockaddr_in *addr) -+{ -+ /* always allow disconnection of dgram sockets with connect */ -+ if (addr->sin_family == AF_UNSPEC) -+ return 0; -+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sock->sk, addr, sock->type); -+} -+ -+int -+gr_search_bind(struct socket *sock, struct sockaddr_in *addr) -+{ -+ return gr_search_connectbind(GR_BIND | GR_BINDOVERRIDE, sock->sk, addr, sock->type); -+} -+ -+int gr_search_listen(struct socket *sock) -+{ -+ struct sock *sk = sock->sk; -+ struct sockaddr_in addr; -+ -+ addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr; -+ addr.sin_port = inet_sk(sk)->inet_sport; -+ -+ return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type); -+} -+ -+int gr_search_accept(struct socket *sock) -+{ -+ struct sock *sk = sock->sk; -+ struct sockaddr_in addr; -+ -+ addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr; -+ addr.sin_port = inet_sk(sk)->inet_sport; -+ -+ return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type); -+} -+ -+int -+gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr) -+{ -+ if (addr) -+ return gr_search_connectbind(GR_CONNECT, sk, addr, SOCK_DGRAM); -+ else { -+ struct sockaddr_in sin; -+ const struct inet_sock *inet = inet_sk(sk); -+ -+ sin.sin_addr.s_addr = inet->inet_daddr; -+ sin.sin_port = inet->inet_dport; -+ -+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM); -+ } -+} -+ -+int -+gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb) -+{ -+ struct sockaddr_in sin; -+ -+ if (unlikely(skb->len < sizeof (struct udphdr))) -+ return 0; // skip this packet -+ -+ sin.sin_addr.s_addr = ip_hdr(skb)->saddr; -+ sin.sin_port = udp_hdr(skb)->source; -+ -+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM); -+} -diff --git a/grsecurity/gracl_learn.c b/grsecurity/gracl_learn.c -new file mode 100644 -index 0000000..25f54ef ---- /dev/null -+++ b/grsecurity/gracl_learn.c -@@ -0,0 +1,207 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <linux/sched.h> -+#include <linux/poll.h> -+#include <linux/string.h> -+#include <linux/file.h> -+#include <linux/types.h> -+#include <linux/vmalloc.h> -+#include <linux/grinternal.h> -+ -+extern ssize_t write_grsec_handler(struct file * file, const char __user * buf, -+ size_t count, loff_t *ppos); -+extern int gr_acl_is_enabled(void); -+ -+static DECLARE_WAIT_QUEUE_HEAD(learn_wait); -+static int gr_learn_attached; -+ -+/* use a 512k buffer */ -+#define LEARN_BUFFER_SIZE (512 * 1024) -+ -+static DEFINE_SPINLOCK(gr_learn_lock); -+static DEFINE_MUTEX(gr_learn_user_mutex); -+ -+/* we need to maintain two buffers, so that the kernel context of grlearn -+ uses a semaphore around the userspace copying, and the other kernel contexts -+ use a spinlock when copying into the buffer, since they cannot sleep -+*/ -+static char *learn_buffer; -+static char *learn_buffer_user; -+static int learn_buffer_len; -+static int learn_buffer_user_len; -+ -+static ssize_t -+read_learn(struct file *file, char __user * buf, size_t count, loff_t * ppos) -+{ -+ DECLARE_WAITQUEUE(wait, current); -+ ssize_t retval = 0; -+ -+ add_wait_queue(&learn_wait, &wait); -+ set_current_state(TASK_INTERRUPTIBLE); -+ do { -+ mutex_lock(&gr_learn_user_mutex); -+ spin_lock(&gr_learn_lock); -+ if (learn_buffer_len) -+ break; -+ spin_unlock(&gr_learn_lock); -+ mutex_unlock(&gr_learn_user_mutex); -+ if (file->f_flags & O_NONBLOCK) { -+ retval = -EAGAIN; -+ goto out; -+ } -+ if (signal_pending(current)) { -+ retval = -ERESTARTSYS; -+ goto out; -+ } -+ -+ schedule(); -+ } while (1); -+ -+ memcpy(learn_buffer_user, learn_buffer, learn_buffer_len); -+ learn_buffer_user_len = learn_buffer_len; -+ retval = learn_buffer_len; -+ learn_buffer_len = 0; -+ -+ spin_unlock(&gr_learn_lock); -+ -+ if (copy_to_user(buf, learn_buffer_user, learn_buffer_user_len)) -+ retval = -EFAULT; -+ -+ mutex_unlock(&gr_learn_user_mutex); -+out: -+ set_current_state(TASK_RUNNING); -+ remove_wait_queue(&learn_wait, &wait); -+ return retval; -+} -+ -+static unsigned int -+poll_learn(struct file * file, poll_table * wait) -+{ -+ poll_wait(file, &learn_wait, wait); -+ -+ if (learn_buffer_len) -+ return (POLLIN | POLLRDNORM); -+ -+ return 0; -+} -+ -+void -+gr_clear_learn_entries(void) -+{ -+ char *tmp; -+ -+ mutex_lock(&gr_learn_user_mutex); -+ spin_lock(&gr_learn_lock); -+ tmp = learn_buffer; -+ learn_buffer = NULL; -+ spin_unlock(&gr_learn_lock); -+ if (tmp) -+ vfree(tmp); -+ if (learn_buffer_user != NULL) { -+ vfree(learn_buffer_user); -+ learn_buffer_user = NULL; -+ } -+ learn_buffer_len = 0; -+ mutex_unlock(&gr_learn_user_mutex); -+ -+ return; -+} -+ -+void -+gr_add_learn_entry(const char *fmt, ...) -+{ -+ va_list args; -+ unsigned int len; -+ -+ if (!gr_learn_attached) -+ return; -+ -+ spin_lock(&gr_learn_lock); -+ -+ /* leave a gap at the end so we know when it's "full" but don't have to -+ compute the exact length of the string we're trying to append -+ */ -+ if (learn_buffer_len > LEARN_BUFFER_SIZE - 16384) { -+ spin_unlock(&gr_learn_lock); -+ wake_up_interruptible(&learn_wait); -+ return; -+ } -+ if (learn_buffer == NULL) { -+ spin_unlock(&gr_learn_lock); -+ return; -+ } -+ -+ va_start(args, fmt); -+ len = vsnprintf(learn_buffer + learn_buffer_len, LEARN_BUFFER_SIZE - learn_buffer_len, fmt, args); -+ va_end(args); -+ -+ learn_buffer_len += len + 1; -+ -+ spin_unlock(&gr_learn_lock); -+ wake_up_interruptible(&learn_wait); -+ -+ return; -+} -+ -+static int -+open_learn(struct inode *inode, struct file *file) -+{ -+ if (file->f_mode & FMODE_READ && gr_learn_attached) -+ return -EBUSY; -+ if (file->f_mode & FMODE_READ) { -+ int retval = 0; -+ mutex_lock(&gr_learn_user_mutex); -+ if (learn_buffer == NULL) -+ learn_buffer = vmalloc(LEARN_BUFFER_SIZE); -+ if (learn_buffer_user == NULL) -+ learn_buffer_user = vmalloc(LEARN_BUFFER_SIZE); -+ if (learn_buffer == NULL) { -+ retval = -ENOMEM; -+ goto out_error; -+ } -+ if (learn_buffer_user == NULL) { -+ retval = -ENOMEM; -+ goto out_error; -+ } -+ learn_buffer_len = 0; -+ learn_buffer_user_len = 0; -+ gr_learn_attached = 1; -+out_error: -+ mutex_unlock(&gr_learn_user_mutex); -+ return retval; -+ } -+ return 0; -+} -+ -+static int -+close_learn(struct inode *inode, struct file *file) -+{ -+ if (file->f_mode & FMODE_READ) { -+ char *tmp = NULL; -+ mutex_lock(&gr_learn_user_mutex); -+ spin_lock(&gr_learn_lock); -+ tmp = learn_buffer; -+ learn_buffer = NULL; -+ spin_unlock(&gr_learn_lock); -+ if (tmp) -+ vfree(tmp); -+ if (learn_buffer_user != NULL) { -+ vfree(learn_buffer_user); -+ learn_buffer_user = NULL; -+ } -+ learn_buffer_len = 0; -+ learn_buffer_user_len = 0; -+ gr_learn_attached = 0; -+ mutex_unlock(&gr_learn_user_mutex); -+ } -+ -+ return 0; -+} -+ -+const struct file_operations grsec_fops = { -+ .read = read_learn, -+ .write = write_grsec_handler, -+ .open = open_learn, -+ .release = close_learn, -+ .poll = poll_learn, -+}; -diff --git a/grsecurity/gracl_policy.c b/grsecurity/gracl_policy.c -new file mode 100644 -index 0000000..0773423 ---- /dev/null -+++ b/grsecurity/gracl_policy.c -@@ -0,0 +1,1786 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/namei.h> -+#include <linux/mount.h> -+#include <linux/tty.h> -+#include <linux/proc_fs.h> -+#include <linux/lglock.h> -+#include <linux/slab.h> -+#include <linux/vmalloc.h> -+#include <linux/types.h> -+#include <linux/sysctl.h> -+#include <linux/netdevice.h> -+#include <linux/ptrace.h> -+#include <linux/gracl.h> -+#include <linux/gralloc.h> -+#include <linux/security.h> -+#include <linux/grinternal.h> -+#include <linux/pid_namespace.h> -+#include <linux/stop_machine.h> -+#include <linux/fdtable.h> -+#include <linux/percpu.h> -+#include <linux/lglock.h> -+#include <linux/hugetlb.h> -+#include <linux/posix-timers.h> -+#include "../fs/mount.h" -+ -+#include <asm/uaccess.h> -+#include <asm/errno.h> -+#include <asm/mman.h> -+ -+extern struct gr_policy_state *polstate; -+ -+#define FOR_EACH_ROLE_START(role) \ -+ role = polstate->role_list; \ -+ while (role) { -+ -+#define FOR_EACH_ROLE_END(role) \ -+ role = role->prev; \ -+ } -+ -+struct path gr_real_root; -+ -+extern struct gr_alloc_state *current_alloc_state; -+ -+u16 acl_sp_role_value; -+ -+static DEFINE_MUTEX(gr_dev_mutex); -+ -+extern int chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum); -+extern void gr_clear_learn_entries(void); -+ -+struct gr_arg *gr_usermode __read_only; -+unsigned char *gr_system_salt __read_only; -+unsigned char *gr_system_sum __read_only; -+ -+static unsigned int gr_auth_attempts = 0; -+static unsigned long gr_auth_expires = 0UL; -+ -+struct acl_object_label *fakefs_obj_rw; -+struct acl_object_label *fakefs_obj_rwx; -+ -+extern int gr_init_uidset(void); -+extern void gr_free_uidset(void); -+extern void gr_remove_uid(uid_t uid); -+extern int gr_find_uid(uid_t uid); -+ -+extern struct acl_subject_label *__gr_get_subject_for_task(const struct gr_policy_state *state, struct task_struct *task, const char *filename, int fallback); -+extern void __gr_apply_subject_to_task(struct gr_policy_state *state, struct task_struct *task, struct acl_subject_label *subj); -+extern int gr_streq(const char *a, const char *b, const unsigned int lena, const unsigned int lenb); -+extern void __insert_inodev_entry(const struct gr_policy_state *state, struct inodev_entry *entry); -+extern struct acl_role_label *__lookup_acl_role_label(const struct gr_policy_state *state, const struct task_struct *task, const uid_t uid, const gid_t gid); -+extern void insert_acl_obj_label(struct acl_object_label *obj, struct acl_subject_label *subj); -+extern void insert_acl_subj_label(struct acl_subject_label *obj, struct acl_role_label *role); -+extern struct name_entry * __lookup_name_entry(const struct gr_policy_state *state, const char *name); -+extern char *gr_to_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt); -+extern struct acl_subject_label *lookup_acl_subj_label(const u64 ino, const dev_t dev, const struct acl_role_label *role); -+extern struct acl_subject_label *lookup_acl_subj_label_deleted(const u64 ino, const dev_t dev, const struct acl_role_label *role); -+extern void assign_special_role(const char *rolename); -+extern struct acl_subject_label *chk_subj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, const struct acl_role_label *role); -+extern int gr_rbac_disable(void *unused); -+extern void gr_enable_rbac_system(void); -+ -+static int copy_acl_object_label_normal(struct acl_object_label *obj, const struct acl_object_label *userp) -+{ -+ if (copy_from_user(obj, userp, sizeof(struct acl_object_label))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_acl_ip_label_normal(struct acl_ip_label *ip, const struct acl_ip_label *userp) -+{ -+ if (copy_from_user(ip, userp, sizeof(struct acl_ip_label))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_acl_subject_label_normal(struct acl_subject_label *subj, const struct acl_subject_label *userp) -+{ -+ if (copy_from_user(subj, userp, sizeof(struct acl_subject_label))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_acl_role_label_normal(struct acl_role_label *role, const struct acl_role_label *userp) -+{ -+ if (copy_from_user(role, userp, sizeof(struct acl_role_label))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_role_allowed_ip_normal(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp) -+{ -+ if (copy_from_user(roleip, userp, sizeof(struct role_allowed_ip))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_sprole_pw_normal(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp) -+{ -+ if (copy_from_user(pw, userp + idx, sizeof(struct sprole_pw))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_gr_hash_struct_normal(struct gr_hash_struct *hash, const struct gr_hash_struct *userp) -+{ -+ if (copy_from_user(hash, userp, sizeof(struct gr_hash_struct))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_role_transition_normal(struct role_transition *trans, const struct role_transition *userp) -+{ -+ if (copy_from_user(trans, userp, sizeof(struct role_transition))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+int copy_pointer_from_array_normal(void *ptr, unsigned long idx, const void *userp) -+{ -+ if (copy_from_user(ptr, userp + (idx * sizeof(void *)), sizeof(void *))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static int copy_gr_arg_wrapper_normal(const char __user *buf, struct gr_arg_wrapper *uwrap) -+{ -+ if (copy_from_user(uwrap, buf, sizeof (struct gr_arg_wrapper))) -+ return -EFAULT; -+ -+ if ((uwrap->version != GRSECURITY_VERSION) || -+ (uwrap->size != sizeof(struct gr_arg))) -+ return -EINVAL; -+ -+ return 0; -+} -+ -+static int copy_gr_arg_normal(const struct gr_arg __user *buf, struct gr_arg *arg) -+{ -+ if (copy_from_user(arg, buf, sizeof (struct gr_arg))) -+ return -EFAULT; -+ -+ return 0; -+} -+ -+static size_t get_gr_arg_wrapper_size_normal(void) -+{ -+ return sizeof(struct gr_arg_wrapper); -+} -+ -+#ifdef CONFIG_COMPAT -+extern int copy_gr_arg_wrapper_compat(const char *buf, struct gr_arg_wrapper *uwrap); -+extern int copy_gr_arg_compat(const struct gr_arg __user *buf, struct gr_arg *arg); -+extern int copy_acl_object_label_compat(struct acl_object_label *obj, const struct acl_object_label *userp); -+extern int copy_acl_subject_label_compat(struct acl_subject_label *subj, const struct acl_subject_label *userp); -+extern int copy_acl_role_label_compat(struct acl_role_label *role, const struct acl_role_label *userp); -+extern int copy_role_allowed_ip_compat(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp); -+extern int copy_role_transition_compat(struct role_transition *trans, const struct role_transition *userp); -+extern int copy_gr_hash_struct_compat(struct gr_hash_struct *hash, const struct gr_hash_struct *userp); -+extern int copy_pointer_from_array_compat(void *ptr, unsigned long idx, const void *userp); -+extern int copy_acl_ip_label_compat(struct acl_ip_label *ip, const struct acl_ip_label *userp); -+extern int copy_sprole_pw_compat(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp); -+extern size_t get_gr_arg_wrapper_size_compat(void); -+ -+int (* copy_gr_arg_wrapper)(const char *buf, struct gr_arg_wrapper *uwrap) __read_only; -+int (* copy_gr_arg)(const struct gr_arg *buf, struct gr_arg *arg) __read_only; -+int (* copy_acl_object_label)(struct acl_object_label *obj, const struct acl_object_label *userp) __read_only; -+int (* copy_acl_subject_label)(struct acl_subject_label *subj, const struct acl_subject_label *userp) __read_only; -+int (* copy_acl_role_label)(struct acl_role_label *role, const struct acl_role_label *userp) __read_only; -+int (* copy_acl_ip_label)(struct acl_ip_label *ip, const struct acl_ip_label *userp) __read_only; -+int (* copy_pointer_from_array)(void *ptr, unsigned long idx, const void *userp) __read_only; -+int (* copy_sprole_pw)(struct sprole_pw *pw, unsigned long idx, const struct sprole_pw *userp) __read_only; -+int (* copy_gr_hash_struct)(struct gr_hash_struct *hash, const struct gr_hash_struct *userp) __read_only; -+int (* copy_role_transition)(struct role_transition *trans, const struct role_transition *userp) __read_only; -+int (* copy_role_allowed_ip)(struct role_allowed_ip *roleip, const struct role_allowed_ip *userp) __read_only; -+size_t (* get_gr_arg_wrapper_size)(void) __read_only; -+ -+#else -+#define copy_gr_arg_wrapper copy_gr_arg_wrapper_normal -+#define copy_gr_arg copy_gr_arg_normal -+#define copy_gr_hash_struct copy_gr_hash_struct_normal -+#define copy_acl_object_label copy_acl_object_label_normal -+#define copy_acl_subject_label copy_acl_subject_label_normal -+#define copy_acl_role_label copy_acl_role_label_normal -+#define copy_acl_ip_label copy_acl_ip_label_normal -+#define copy_pointer_from_array copy_pointer_from_array_normal -+#define copy_sprole_pw copy_sprole_pw_normal -+#define copy_role_transition copy_role_transition_normal -+#define copy_role_allowed_ip copy_role_allowed_ip_normal -+#define get_gr_arg_wrapper_size get_gr_arg_wrapper_size_normal -+#endif -+ -+static struct acl_subject_label * -+lookup_subject_map(const struct acl_subject_label *userp) -+{ -+ unsigned int index = gr_shash(userp, polstate->subj_map_set.s_size); -+ struct subject_map *match; -+ -+ match = polstate->subj_map_set.s_hash[index]; -+ -+ while (match && match->user != userp) -+ match = match->next; -+ -+ if (match != NULL) -+ return match->kernel; -+ else -+ return NULL; -+} -+ -+static void -+insert_subj_map_entry(struct subject_map *subjmap) -+{ -+ unsigned int index = gr_shash(subjmap->user, polstate->subj_map_set.s_size); -+ struct subject_map **curr; -+ -+ subjmap->prev = NULL; -+ -+ curr = &polstate->subj_map_set.s_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = subjmap; -+ -+ subjmap->next = *curr; -+ *curr = subjmap; -+ -+ return; -+} -+ -+static void -+__insert_acl_role_label(struct acl_role_label *role, uid_t uidgid) -+{ -+ unsigned int index = -+ gr_rhash(uidgid, role->roletype & (GR_ROLE_USER | GR_ROLE_GROUP), polstate->acl_role_set.r_size); -+ struct acl_role_label **curr; -+ struct acl_role_label *tmp, *tmp2; -+ -+ curr = &polstate->acl_role_set.r_hash[index]; -+ -+ /* simple case, slot is empty, just set it to our role */ -+ if (*curr == NULL) { -+ *curr = role; -+ } else { -+ /* example: -+ 1 -> 2 -> 3 (adding 2 -> 3 to here) -+ 2 -> 3 -+ */ -+ /* first check to see if we can already be reached via this slot */ -+ tmp = *curr; -+ while (tmp && tmp != role) -+ tmp = tmp->next; -+ if (tmp == role) { -+ /* we don't need to add ourselves to this slot's chain */ -+ return; -+ } -+ /* we need to add ourselves to this chain, two cases */ -+ if (role->next == NULL) { -+ /* simple case, append the current chain to our role */ -+ role->next = *curr; -+ *curr = role; -+ } else { -+ /* 1 -> 2 -> 3 -> 4 -+ 2 -> 3 -> 4 -+ 3 -> 4 (adding 1 -> 2 -> 3 -> 4 to here) -+ */ -+ /* trickier case: walk our role's chain until we find -+ the role for the start of the current slot's chain */ -+ tmp = role; -+ tmp2 = *curr; -+ while (tmp->next && tmp->next != tmp2) -+ tmp = tmp->next; -+ if (tmp->next == tmp2) { -+ /* from example above, we found 3, so just -+ replace this slot's chain with ours */ -+ *curr = role; -+ } else { -+ /* we didn't find a subset of our role's chain -+ in the current slot's chain, so append their -+ chain to ours, and set us as the first role in -+ the slot's chain -+ -+ we could fold this case with the case above, -+ but making it explicit for clarity -+ */ -+ tmp->next = tmp2; -+ *curr = role; -+ } -+ } -+ } -+ -+ return; -+} -+ -+static void -+insert_acl_role_label(struct acl_role_label *role) -+{ -+ int i; -+ -+ if (polstate->role_list == NULL) { -+ polstate->role_list = role; -+ role->prev = NULL; -+ } else { -+ role->prev = polstate->role_list; -+ polstate->role_list = role; -+ } -+ -+ /* used for hash chains */ -+ role->next = NULL; -+ -+ if (role->roletype & GR_ROLE_DOMAIN) { -+ for (i = 0; i < role->domain_child_num; i++) -+ __insert_acl_role_label(role, role->domain_children[i]); -+ } else -+ __insert_acl_role_label(role, role->uidgid); -+} -+ -+static int -+insert_name_entry(char *name, const u64 inode, const dev_t device, __u8 deleted) -+{ -+ struct name_entry **curr, *nentry; -+ struct inodev_entry *ientry; -+ unsigned int len = strlen(name); -+ unsigned int key = full_name_hash(name, len); -+ unsigned int index = key % polstate->name_set.n_size; -+ -+ curr = &polstate->name_set.n_hash[index]; -+ -+ while (*curr && ((*curr)->key != key || !gr_streq((*curr)->name, name, (*curr)->len, len))) -+ curr = &((*curr)->next); -+ -+ if (*curr != NULL) -+ return 1; -+ -+ nentry = acl_alloc(sizeof (struct name_entry)); -+ if (nentry == NULL) -+ return 0; -+ ientry = acl_alloc(sizeof (struct inodev_entry)); -+ if (ientry == NULL) -+ return 0; -+ ientry->nentry = nentry; -+ -+ nentry->key = key; -+ nentry->name = name; -+ nentry->inode = inode; -+ nentry->device = device; -+ nentry->len = len; -+ nentry->deleted = deleted; -+ -+ nentry->prev = NULL; -+ curr = &polstate->name_set.n_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = nentry; -+ nentry->next = *curr; -+ *curr = nentry; -+ -+ /* insert us into the table searchable by inode/dev */ -+ __insert_inodev_entry(polstate, ientry); -+ -+ return 1; -+} -+ -+/* allocating chained hash tables, so optimal size is where lambda ~ 1 */ -+ -+static void * -+create_table(__u32 * len, int elementsize) -+{ -+ unsigned int table_sizes[] = { -+ 7, 13, 31, 61, 127, 251, 509, 1021, 2039, 4093, 8191, 16381, -+ 32749, 65521, 131071, 262139, 524287, 1048573, 2097143, -+ 4194301, 8388593, 16777213, 33554393, 67108859 -+ }; -+ void *newtable = NULL; -+ unsigned int pwr = 0; -+ -+ while ((pwr < ((sizeof (table_sizes) / sizeof (table_sizes[0])) - 1)) && -+ table_sizes[pwr] <= *len) -+ pwr++; -+ -+ if (table_sizes[pwr] <= *len || (table_sizes[pwr] > ULONG_MAX / elementsize)) -+ return newtable; -+ -+ if ((table_sizes[pwr] * elementsize) <= PAGE_SIZE) -+ newtable = -+ kmalloc(table_sizes[pwr] * elementsize, GFP_KERNEL); -+ else -+ newtable = vmalloc(table_sizes[pwr] * elementsize); -+ -+ *len = table_sizes[pwr]; -+ -+ return newtable; -+} -+ -+static int -+init_variables(const struct gr_arg *arg, bool reload) -+{ -+ struct task_struct *reaper = init_pid_ns.child_reaper; -+ unsigned int stacksize; -+ -+ polstate->subj_map_set.s_size = arg->role_db.num_subjects; -+ polstate->acl_role_set.r_size = arg->role_db.num_roles + arg->role_db.num_domain_children; -+ polstate->name_set.n_size = arg->role_db.num_objects; -+ polstate->inodev_set.i_size = arg->role_db.num_objects; -+ -+ if (!polstate->subj_map_set.s_size || !polstate->acl_role_set.r_size || -+ !polstate->name_set.n_size || !polstate->inodev_set.i_size) -+ return 1; -+ -+ if (!reload) { -+ if (!gr_init_uidset()) -+ return 1; -+ } -+ -+ /* set up the stack that holds allocation info */ -+ -+ stacksize = arg->role_db.num_pointers + 5; -+ -+ if (!acl_alloc_stack_init(stacksize)) -+ return 1; -+ -+ if (!reload) { -+ /* grab reference for the real root dentry and vfsmount */ -+ get_fs_root(reaper->fs, &gr_real_root); -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Obtained real root device=%d, inode=%lu\n", gr_get_dev_from_dentry(gr_real_root.dentry), gr_get_ino_from_dentry(gr_real_root.dentry)); -+#endif -+ -+ fakefs_obj_rw = kzalloc(sizeof(struct acl_object_label), GFP_KERNEL); -+ if (fakefs_obj_rw == NULL) -+ return 1; -+ fakefs_obj_rw->mode = GR_FIND | GR_READ | GR_WRITE; -+ -+ fakefs_obj_rwx = kzalloc(sizeof(struct acl_object_label), GFP_KERNEL); -+ if (fakefs_obj_rwx == NULL) -+ return 1; -+ fakefs_obj_rwx->mode = GR_FIND | GR_READ | GR_WRITE | GR_EXEC; -+ } -+ -+ polstate->subj_map_set.s_hash = -+ (struct subject_map **) create_table(&polstate->subj_map_set.s_size, sizeof(void *)); -+ polstate->acl_role_set.r_hash = -+ (struct acl_role_label **) create_table(&polstate->acl_role_set.r_size, sizeof(void *)); -+ polstate->name_set.n_hash = (struct name_entry **) create_table(&polstate->name_set.n_size, sizeof(void *)); -+ polstate->inodev_set.i_hash = -+ (struct inodev_entry **) create_table(&polstate->inodev_set.i_size, sizeof(void *)); -+ -+ if (!polstate->subj_map_set.s_hash || !polstate->acl_role_set.r_hash || -+ !polstate->name_set.n_hash || !polstate->inodev_set.i_hash) -+ return 1; -+ -+ memset(polstate->subj_map_set.s_hash, 0, -+ sizeof(struct subject_map *) * polstate->subj_map_set.s_size); -+ memset(polstate->acl_role_set.r_hash, 0, -+ sizeof (struct acl_role_label *) * polstate->acl_role_set.r_size); -+ memset(polstate->name_set.n_hash, 0, -+ sizeof (struct name_entry *) * polstate->name_set.n_size); -+ memset(polstate->inodev_set.i_hash, 0, -+ sizeof (struct inodev_entry *) * polstate->inodev_set.i_size); -+ -+ return 0; -+} -+ -+/* free information not needed after startup -+ currently contains user->kernel pointer mappings for subjects -+*/ -+ -+static void -+free_init_variables(void) -+{ -+ __u32 i; -+ -+ if (polstate->subj_map_set.s_hash) { -+ for (i = 0; i < polstate->subj_map_set.s_size; i++) { -+ if (polstate->subj_map_set.s_hash[i]) { -+ kfree(polstate->subj_map_set.s_hash[i]); -+ polstate->subj_map_set.s_hash[i] = NULL; -+ } -+ } -+ -+ if ((polstate->subj_map_set.s_size * sizeof (struct subject_map *)) <= -+ PAGE_SIZE) -+ kfree(polstate->subj_map_set.s_hash); -+ else -+ vfree(polstate->subj_map_set.s_hash); -+ } -+ -+ return; -+} -+ -+static void -+free_variables(bool reload) -+{ -+ struct acl_subject_label *s; -+ struct acl_role_label *r; -+ struct task_struct *task, *task2; -+ unsigned int x; -+ -+ if (!reload) { -+ gr_clear_learn_entries(); -+ -+ read_lock(&tasklist_lock); -+ do_each_thread(task2, task) { -+ task->acl_sp_role = 0; -+ task->acl_role_id = 0; -+ task->inherited = 0; -+ task->acl = NULL; -+ task->role = NULL; -+ } while_each_thread(task2, task); -+ read_unlock(&tasklist_lock); -+ -+ kfree(fakefs_obj_rw); -+ fakefs_obj_rw = NULL; -+ kfree(fakefs_obj_rwx); -+ fakefs_obj_rwx = NULL; -+ -+ /* release the reference to the real root dentry and vfsmount */ -+ path_put(&gr_real_root); -+ memset(&gr_real_root, 0, sizeof(gr_real_root)); -+ } -+ -+ /* free all object hash tables */ -+ -+ FOR_EACH_ROLE_START(r) -+ if (r->subj_hash == NULL) -+ goto next_role; -+ FOR_EACH_SUBJECT_START(r, s, x) -+ if (s->obj_hash == NULL) -+ break; -+ if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE) -+ kfree(s->obj_hash); -+ else -+ vfree(s->obj_hash); -+ FOR_EACH_SUBJECT_END(s, x) -+ FOR_EACH_NESTED_SUBJECT_START(r, s) -+ if (s->obj_hash == NULL) -+ break; -+ if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE) -+ kfree(s->obj_hash); -+ else -+ vfree(s->obj_hash); -+ FOR_EACH_NESTED_SUBJECT_END(s) -+ if ((r->subj_hash_size * sizeof (struct acl_subject_label *)) <= PAGE_SIZE) -+ kfree(r->subj_hash); -+ else -+ vfree(r->subj_hash); -+ r->subj_hash = NULL; -+next_role: -+ FOR_EACH_ROLE_END(r) -+ -+ acl_free_all(); -+ -+ if (polstate->acl_role_set.r_hash) { -+ if ((polstate->acl_role_set.r_size * sizeof (struct acl_role_label *)) <= -+ PAGE_SIZE) -+ kfree(polstate->acl_role_set.r_hash); -+ else -+ vfree(polstate->acl_role_set.r_hash); -+ } -+ if (polstate->name_set.n_hash) { -+ if ((polstate->name_set.n_size * sizeof (struct name_entry *)) <= -+ PAGE_SIZE) -+ kfree(polstate->name_set.n_hash); -+ else -+ vfree(polstate->name_set.n_hash); -+ } -+ -+ if (polstate->inodev_set.i_hash) { -+ if ((polstate->inodev_set.i_size * sizeof (struct inodev_entry *)) <= -+ PAGE_SIZE) -+ kfree(polstate->inodev_set.i_hash); -+ else -+ vfree(polstate->inodev_set.i_hash); -+ } -+ -+ if (!reload) -+ gr_free_uidset(); -+ -+ memset(&polstate->name_set, 0, sizeof (struct name_db)); -+ memset(&polstate->inodev_set, 0, sizeof (struct inodev_db)); -+ memset(&polstate->acl_role_set, 0, sizeof (struct acl_role_db)); -+ memset(&polstate->subj_map_set, 0, sizeof (struct acl_subj_map_db)); -+ -+ polstate->default_role = NULL; -+ polstate->kernel_role = NULL; -+ polstate->role_list = NULL; -+ -+ return; -+} -+ -+static struct acl_subject_label * -+do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role, int *already_copied); -+ -+static int alloc_and_copy_string(char **name, unsigned int maxlen) -+{ -+ unsigned int len = strnlen_user(*name, maxlen); -+ char *tmp; -+ -+ if (!len || len >= maxlen) -+ return -EINVAL; -+ -+ if ((tmp = (char *) acl_alloc(len)) == NULL) -+ return -ENOMEM; -+ -+ if (copy_from_user(tmp, *name, len)) -+ return -EFAULT; -+ -+ tmp[len-1] = '\0'; -+ *name = tmp; -+ -+ return 0; -+} -+ -+static int -+copy_user_glob(struct acl_object_label *obj) -+{ -+ struct acl_object_label *g_tmp, **guser; -+ int error; -+ -+ if (obj->globbed == NULL) -+ return 0; -+ -+ guser = &obj->globbed; -+ while (*guser) { -+ g_tmp = (struct acl_object_label *) -+ acl_alloc(sizeof (struct acl_object_label)); -+ if (g_tmp == NULL) -+ return -ENOMEM; -+ -+ if (copy_acl_object_label(g_tmp, *guser)) -+ return -EFAULT; -+ -+ error = alloc_and_copy_string(&g_tmp->filename, PATH_MAX); -+ if (error) -+ return error; -+ -+ *guser = g_tmp; -+ guser = &(g_tmp->next); -+ } -+ -+ return 0; -+} -+ -+static int -+copy_user_objs(struct acl_object_label *userp, struct acl_subject_label *subj, -+ struct acl_role_label *role) -+{ -+ struct acl_object_label *o_tmp; -+ int ret; -+ -+ while (userp) { -+ if ((o_tmp = (struct acl_object_label *) -+ acl_alloc(sizeof (struct acl_object_label))) == NULL) -+ return -ENOMEM; -+ -+ if (copy_acl_object_label(o_tmp, userp)) -+ return -EFAULT; -+ -+ userp = o_tmp->prev; -+ -+ ret = alloc_and_copy_string(&o_tmp->filename, PATH_MAX); -+ if (ret) -+ return ret; -+ -+ insert_acl_obj_label(o_tmp, subj); -+ if (!insert_name_entry(o_tmp->filename, o_tmp->inode, -+ o_tmp->device, (o_tmp->mode & GR_DELETED) ? 1 : 0)) -+ return -ENOMEM; -+ -+ ret = copy_user_glob(o_tmp); -+ if (ret) -+ return ret; -+ -+ if (o_tmp->nested) { -+ int already_copied; -+ -+ o_tmp->nested = do_copy_user_subj(o_tmp->nested, role, &already_copied); -+ if (IS_ERR(o_tmp->nested)) -+ return PTR_ERR(o_tmp->nested); -+ -+ /* insert into nested subject list if we haven't copied this one yet -+ to prevent duplicate entries */ -+ if (!already_copied) { -+ o_tmp->nested->next = role->hash->first; -+ role->hash->first = o_tmp->nested; -+ } -+ } -+ } -+ -+ return 0; -+} -+ -+static __u32 -+count_user_subjs(struct acl_subject_label *userp) -+{ -+ struct acl_subject_label s_tmp; -+ __u32 num = 0; -+ -+ while (userp) { -+ if (copy_acl_subject_label(&s_tmp, userp)) -+ break; -+ -+ userp = s_tmp.prev; -+ } -+ -+ return num; -+} -+ -+static int -+copy_user_allowedips(struct acl_role_label *rolep) -+{ -+ struct role_allowed_ip *ruserip, *rtmp = NULL, *rlast; -+ -+ ruserip = rolep->allowed_ips; -+ -+ while (ruserip) { -+ rlast = rtmp; -+ -+ if ((rtmp = (struct role_allowed_ip *) -+ acl_alloc(sizeof (struct role_allowed_ip))) == NULL) -+ return -ENOMEM; -+ -+ if (copy_role_allowed_ip(rtmp, ruserip)) -+ return -EFAULT; -+ -+ ruserip = rtmp->prev; -+ -+ if (!rlast) { -+ rtmp->prev = NULL; -+ rolep->allowed_ips = rtmp; -+ } else { -+ rlast->next = rtmp; -+ rtmp->prev = rlast; -+ } -+ -+ if (!ruserip) -+ rtmp->next = NULL; -+ } -+ -+ return 0; -+} -+ -+static int -+copy_user_transitions(struct acl_role_label *rolep) -+{ -+ struct role_transition *rusertp, *rtmp = NULL, *rlast; -+ int error; -+ -+ rusertp = rolep->transitions; -+ -+ while (rusertp) { -+ rlast = rtmp; -+ -+ if ((rtmp = (struct role_transition *) -+ acl_alloc(sizeof (struct role_transition))) == NULL) -+ return -ENOMEM; -+ -+ if (copy_role_transition(rtmp, rusertp)) -+ return -EFAULT; -+ -+ rusertp = rtmp->prev; -+ -+ error = alloc_and_copy_string(&rtmp->rolename, GR_SPROLE_LEN); -+ if (error) -+ return error; -+ -+ if (!rlast) { -+ rtmp->prev = NULL; -+ rolep->transitions = rtmp; -+ } else { -+ rlast->next = rtmp; -+ rtmp->prev = rlast; -+ } -+ -+ if (!rusertp) -+ rtmp->next = NULL; -+ } -+ -+ return 0; -+} -+ -+static __u32 count_user_objs(const struct acl_object_label __user *userp) -+{ -+ struct acl_object_label o_tmp; -+ __u32 num = 0; -+ -+ while (userp) { -+ if (copy_acl_object_label(&o_tmp, userp)) -+ break; -+ -+ userp = o_tmp.prev; -+ num++; -+ } -+ -+ return num; -+} -+ -+static struct acl_subject_label * -+do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role, int *already_copied) -+{ -+ struct acl_subject_label *s_tmp = NULL, *s_tmp2; -+ __u32 num_objs; -+ struct acl_ip_label **i_tmp, *i_utmp2; -+ struct gr_hash_struct ghash; -+ struct subject_map *subjmap; -+ unsigned int i_num; -+ int err; -+ -+ if (already_copied != NULL) -+ *already_copied = 0; -+ -+ s_tmp = lookup_subject_map(userp); -+ -+ /* we've already copied this subject into the kernel, just return -+ the reference to it, and don't copy it over again -+ */ -+ if (s_tmp) { -+ if (already_copied != NULL) -+ *already_copied = 1; -+ return(s_tmp); -+ } -+ -+ if ((s_tmp = (struct acl_subject_label *) -+ acl_alloc(sizeof (struct acl_subject_label))) == NULL) -+ return ERR_PTR(-ENOMEM); -+ -+ subjmap = (struct subject_map *)kmalloc(sizeof (struct subject_map), GFP_KERNEL); -+ if (subjmap == NULL) -+ return ERR_PTR(-ENOMEM); -+ -+ subjmap->user = userp; -+ subjmap->kernel = s_tmp; -+ insert_subj_map_entry(subjmap); -+ -+ if (copy_acl_subject_label(s_tmp, userp)) -+ return ERR_PTR(-EFAULT); -+ -+ err = alloc_and_copy_string(&s_tmp->filename, PATH_MAX); -+ if (err) -+ return ERR_PTR(err); -+ -+ if (!strcmp(s_tmp->filename, "/")) -+ role->root_label = s_tmp; -+ -+ if (copy_gr_hash_struct(&ghash, s_tmp->hash)) -+ return ERR_PTR(-EFAULT); -+ -+ /* copy user and group transition tables */ -+ -+ if (s_tmp->user_trans_num) { -+ uid_t *uidlist; -+ -+ uidlist = (uid_t *)acl_alloc_num(s_tmp->user_trans_num, sizeof(uid_t)); -+ if (uidlist == NULL) -+ return ERR_PTR(-ENOMEM); -+ if (copy_from_user(uidlist, s_tmp->user_transitions, s_tmp->user_trans_num * sizeof(uid_t))) -+ return ERR_PTR(-EFAULT); -+ -+ s_tmp->user_transitions = uidlist; -+ } -+ -+ if (s_tmp->group_trans_num) { -+ gid_t *gidlist; -+ -+ gidlist = (gid_t *)acl_alloc_num(s_tmp->group_trans_num, sizeof(gid_t)); -+ if (gidlist == NULL) -+ return ERR_PTR(-ENOMEM); -+ if (copy_from_user(gidlist, s_tmp->group_transitions, s_tmp->group_trans_num * sizeof(gid_t))) -+ return ERR_PTR(-EFAULT); -+ -+ s_tmp->group_transitions = gidlist; -+ } -+ -+ /* set up object hash table */ -+ num_objs = count_user_objs(ghash.first); -+ -+ s_tmp->obj_hash_size = num_objs; -+ s_tmp->obj_hash = -+ (struct acl_object_label **) -+ create_table(&(s_tmp->obj_hash_size), sizeof(void *)); -+ -+ if (!s_tmp->obj_hash) -+ return ERR_PTR(-ENOMEM); -+ -+ memset(s_tmp->obj_hash, 0, -+ s_tmp->obj_hash_size * -+ sizeof (struct acl_object_label *)); -+ -+ /* add in objects */ -+ err = copy_user_objs(ghash.first, s_tmp, role); -+ -+ if (err) -+ return ERR_PTR(err); -+ -+ /* set pointer for parent subject */ -+ if (s_tmp->parent_subject) { -+ s_tmp2 = do_copy_user_subj(s_tmp->parent_subject, role, NULL); -+ -+ if (IS_ERR(s_tmp2)) -+ return s_tmp2; -+ -+ s_tmp->parent_subject = s_tmp2; -+ } -+ -+ /* add in ip acls */ -+ -+ if (!s_tmp->ip_num) { -+ s_tmp->ips = NULL; -+ goto insert; -+ } -+ -+ i_tmp = -+ (struct acl_ip_label **) acl_alloc_num(s_tmp->ip_num, -+ sizeof (struct acl_ip_label *)); -+ -+ if (!i_tmp) -+ return ERR_PTR(-ENOMEM); -+ -+ for (i_num = 0; i_num < s_tmp->ip_num; i_num++) { -+ *(i_tmp + i_num) = -+ (struct acl_ip_label *) -+ acl_alloc(sizeof (struct acl_ip_label)); -+ if (!*(i_tmp + i_num)) -+ return ERR_PTR(-ENOMEM); -+ -+ if (copy_pointer_from_array(&i_utmp2, i_num, s_tmp->ips)) -+ return ERR_PTR(-EFAULT); -+ -+ if (copy_acl_ip_label(*(i_tmp + i_num), i_utmp2)) -+ return ERR_PTR(-EFAULT); -+ -+ if ((*(i_tmp + i_num))->iface == NULL) -+ continue; -+ -+ err = alloc_and_copy_string(&(*(i_tmp + i_num))->iface, IFNAMSIZ); -+ if (err) -+ return ERR_PTR(err); -+ } -+ -+ s_tmp->ips = i_tmp; -+ -+insert: -+ if (!insert_name_entry(s_tmp->filename, s_tmp->inode, -+ s_tmp->device, (s_tmp->mode & GR_DELETED) ? 1 : 0)) -+ return ERR_PTR(-ENOMEM); -+ -+ return s_tmp; -+} -+ -+static int -+copy_user_subjs(struct acl_subject_label *userp, struct acl_role_label *role) -+{ -+ struct acl_subject_label s_pre; -+ struct acl_subject_label * ret; -+ int err; -+ -+ while (userp) { -+ if (copy_acl_subject_label(&s_pre, userp)) -+ return -EFAULT; -+ -+ ret = do_copy_user_subj(userp, role, NULL); -+ -+ err = PTR_ERR(ret); -+ if (IS_ERR(ret)) -+ return err; -+ -+ insert_acl_subj_label(ret, role); -+ -+ userp = s_pre.prev; -+ } -+ -+ return 0; -+} -+ -+static int -+copy_user_acl(struct gr_arg *arg) -+{ -+ struct acl_role_label *r_tmp = NULL, **r_utmp, *r_utmp2; -+ struct acl_subject_label *subj_list; -+ struct sprole_pw *sptmp; -+ struct gr_hash_struct *ghash; -+ uid_t *domainlist; -+ unsigned int r_num; -+ int err = 0; -+ __u16 i; -+ __u32 num_subjs; -+ -+ /* we need a default and kernel role */ -+ if (arg->role_db.num_roles < 2) -+ return -EINVAL; -+ -+ /* copy special role authentication info from userspace */ -+ -+ polstate->num_sprole_pws = arg->num_sprole_pws; -+ polstate->acl_special_roles = (struct sprole_pw **) acl_alloc_num(polstate->num_sprole_pws, sizeof(struct sprole_pw *)); -+ -+ if (!polstate->acl_special_roles && polstate->num_sprole_pws) -+ return -ENOMEM; -+ -+ for (i = 0; i < polstate->num_sprole_pws; i++) { -+ sptmp = (struct sprole_pw *) acl_alloc(sizeof(struct sprole_pw)); -+ if (!sptmp) -+ return -ENOMEM; -+ if (copy_sprole_pw(sptmp, i, arg->sprole_pws)) -+ return -EFAULT; -+ -+ err = alloc_and_copy_string((char **)&sptmp->rolename, GR_SPROLE_LEN); -+ if (err) -+ return err; -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Copying special role %s\n", sptmp->rolename); -+#endif -+ -+ polstate->acl_special_roles[i] = sptmp; -+ } -+ -+ r_utmp = (struct acl_role_label **) arg->role_db.r_table; -+ -+ for (r_num = 0; r_num < arg->role_db.num_roles; r_num++) { -+ r_tmp = acl_alloc(sizeof (struct acl_role_label)); -+ -+ if (!r_tmp) -+ return -ENOMEM; -+ -+ if (copy_pointer_from_array(&r_utmp2, r_num, r_utmp)) -+ return -EFAULT; -+ -+ if (copy_acl_role_label(r_tmp, r_utmp2)) -+ return -EFAULT; -+ -+ err = alloc_and_copy_string(&r_tmp->rolename, GR_SPROLE_LEN); -+ if (err) -+ return err; -+ -+ if (!strcmp(r_tmp->rolename, "default") -+ && (r_tmp->roletype & GR_ROLE_DEFAULT)) { -+ polstate->default_role = r_tmp; -+ } else if (!strcmp(r_tmp->rolename, ":::kernel:::")) { -+ polstate->kernel_role = r_tmp; -+ } -+ -+ if ((ghash = (struct gr_hash_struct *) acl_alloc(sizeof(struct gr_hash_struct))) == NULL) -+ return -ENOMEM; -+ -+ if (copy_gr_hash_struct(ghash, r_tmp->hash)) -+ return -EFAULT; -+ -+ r_tmp->hash = ghash; -+ -+ num_subjs = count_user_subjs(r_tmp->hash->first); -+ -+ r_tmp->subj_hash_size = num_subjs; -+ r_tmp->subj_hash = -+ (struct acl_subject_label **) -+ create_table(&(r_tmp->subj_hash_size), sizeof(void *)); -+ -+ if (!r_tmp->subj_hash) -+ return -ENOMEM; -+ -+ err = copy_user_allowedips(r_tmp); -+ if (err) -+ return err; -+ -+ /* copy domain info */ -+ if (r_tmp->domain_children != NULL) { -+ domainlist = acl_alloc_num(r_tmp->domain_child_num, sizeof(uid_t)); -+ if (domainlist == NULL) -+ return -ENOMEM; -+ -+ if (copy_from_user(domainlist, r_tmp->domain_children, r_tmp->domain_child_num * sizeof(uid_t))) -+ return -EFAULT; -+ -+ r_tmp->domain_children = domainlist; -+ } -+ -+ err = copy_user_transitions(r_tmp); -+ if (err) -+ return err; -+ -+ memset(r_tmp->subj_hash, 0, -+ r_tmp->subj_hash_size * -+ sizeof (struct acl_subject_label *)); -+ -+ /* acquire the list of subjects, then NULL out -+ the list prior to parsing the subjects for this role, -+ as during this parsing the list is replaced with a list -+ of *nested* subjects for the role -+ */ -+ subj_list = r_tmp->hash->first; -+ -+ /* set nested subject list to null */ -+ r_tmp->hash->first = NULL; -+ -+ err = copy_user_subjs(subj_list, r_tmp); -+ -+ if (err) -+ return err; -+ -+ insert_acl_role_label(r_tmp); -+ } -+ -+ if (polstate->default_role == NULL || polstate->kernel_role == NULL) -+ return -EINVAL; -+ -+ return err; -+} -+ -+static int gracl_reload_apply_policies(void *reload) -+{ -+ struct gr_reload_state *reload_state = (struct gr_reload_state *)reload; -+ struct task_struct *task, *task2; -+ struct acl_role_label *role, *rtmp; -+ struct acl_subject_label *subj; -+ const struct cred *cred; -+ int role_applied; -+ int ret = 0; -+ -+ memcpy(&reload_state->oldpolicy, reload_state->oldpolicy_ptr, sizeof(struct gr_policy_state)); -+ memcpy(&reload_state->oldalloc, reload_state->oldalloc_ptr, sizeof(struct gr_alloc_state)); -+ -+ /* first make sure we'll be able to apply the new policy cleanly */ -+ do_each_thread(task2, task) { -+ if (task->exec_file == NULL) -+ continue; -+ role_applied = 0; -+ if (!reload_state->oldmode && task->role->roletype & GR_ROLE_SPECIAL) { -+ /* preserve special roles */ -+ FOR_EACH_ROLE_START(role) -+ if ((role->roletype & GR_ROLE_SPECIAL) && !strcmp(task->role->rolename, role->rolename)) { -+ rtmp = task->role; -+ task->role = role; -+ role_applied = 1; -+ break; -+ } -+ FOR_EACH_ROLE_END(role) -+ } -+ if (!role_applied) { -+ cred = __task_cred(task); -+ rtmp = task->role; -+ task->role = __lookup_acl_role_label(polstate, task, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid)); -+ } -+ /* this handles non-nested inherited subjects, nested subjects will still -+ be dropped currently */ -+ subj = __gr_get_subject_for_task(polstate, task, task->acl->filename, 1); -+ task->tmpacl = __gr_get_subject_for_task(polstate, task, NULL, 1); -+ /* change the role back so that we've made no modifications to the policy */ -+ task->role = rtmp; -+ -+ if (subj == NULL || task->tmpacl == NULL) { -+ ret = -EINVAL; -+ goto out; -+ } -+ } while_each_thread(task2, task); -+ -+ /* now actually apply the policy */ -+ -+ do_each_thread(task2, task) { -+ if (task->exec_file) { -+ role_applied = 0; -+ if (!reload_state->oldmode && task->role->roletype & GR_ROLE_SPECIAL) { -+ /* preserve special roles */ -+ FOR_EACH_ROLE_START(role) -+ if ((role->roletype & GR_ROLE_SPECIAL) && !strcmp(task->role->rolename, role->rolename)) { -+ task->role = role; -+ role_applied = 1; -+ break; -+ } -+ FOR_EACH_ROLE_END(role) -+ } -+ if (!role_applied) { -+ cred = __task_cred(task); -+ task->role = __lookup_acl_role_label(polstate, task, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid)); -+ } -+ /* this handles non-nested inherited subjects, nested subjects will still -+ be dropped currently */ -+ if (!reload_state->oldmode && task->inherited) -+ subj = __gr_get_subject_for_task(polstate, task, task->acl->filename, 1); -+ else { -+ /* looked up and tagged to the task previously */ -+ subj = task->tmpacl; -+ } -+ /* subj will be non-null */ -+ __gr_apply_subject_to_task(polstate, task, subj); -+ if (reload_state->oldmode) { -+ task->acl_role_id = 0; -+ task->acl_sp_role = 0; -+ task->inherited = 0; -+ } -+ } else { -+ // it's a kernel process -+ task->role = polstate->kernel_role; -+ task->acl = polstate->kernel_role->root_label; -+#ifdef CONFIG_GRKERNSEC_ACL_HIDEKERN -+ task->acl->mode &= ~GR_PROCFIND; -+#endif -+ } -+ } while_each_thread(task2, task); -+ -+ memcpy(reload_state->oldpolicy_ptr, &reload_state->newpolicy, sizeof(struct gr_policy_state)); -+ memcpy(reload_state->oldalloc_ptr, &reload_state->newalloc, sizeof(struct gr_alloc_state)); -+ -+out: -+ -+ return ret; -+} -+ -+static int gracl_reload(struct gr_arg *args, unsigned char oldmode) -+{ -+ struct gr_reload_state new_reload_state = { }; -+ int err; -+ -+ new_reload_state.oldpolicy_ptr = polstate; -+ new_reload_state.oldalloc_ptr = current_alloc_state; -+ new_reload_state.oldmode = oldmode; -+ -+ current_alloc_state = &new_reload_state.newalloc; -+ polstate = &new_reload_state.newpolicy; -+ -+ /* everything relevant is now saved off, copy in the new policy */ -+ if (init_variables(args, true)) { -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_INITF_ACL_MSG, GR_VERSION); -+ err = -ENOMEM; -+ goto error; -+ } -+ -+ err = copy_user_acl(args); -+ free_init_variables(); -+ if (err) -+ goto error; -+ /* the new policy is copied in, with the old policy available via saved_state -+ first go through applying roles, making sure to preserve special roles -+ then apply new subjects, making sure to preserve inherited and nested subjects, -+ though currently only inherited subjects will be preserved -+ */ -+ err = stop_machine(gracl_reload_apply_policies, &new_reload_state, NULL); -+ if (err) -+ goto error; -+ -+ /* we've now applied the new policy, so restore the old policy state to free it */ -+ polstate = &new_reload_state.oldpolicy; -+ current_alloc_state = &new_reload_state.oldalloc; -+ free_variables(true); -+ -+ /* oldpolicy/oldalloc_ptr point to the new policy/alloc states as they were copied -+ to running_polstate/current_alloc_state inside stop_machine -+ */ -+ err = 0; -+ goto out; -+error: -+ /* on error of loading the new policy, we'll just keep the previous -+ policy set around -+ */ -+ free_variables(true); -+ -+ /* doesn't affect runtime, but maintains consistent state */ -+out: -+ polstate = new_reload_state.oldpolicy_ptr; -+ current_alloc_state = new_reload_state.oldalloc_ptr; -+ -+ return err; -+} -+ -+static int -+gracl_init(struct gr_arg *args) -+{ -+ int error = 0; -+ -+ memcpy(gr_system_salt, args->salt, GR_SALT_LEN); -+ memcpy(gr_system_sum, args->sum, GR_SHA_LEN); -+ -+ if (init_variables(args, false)) { -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_INITF_ACL_MSG, GR_VERSION); -+ error = -ENOMEM; -+ goto out; -+ } -+ -+ error = copy_user_acl(args); -+ free_init_variables(); -+ if (error) -+ goto out; -+ -+ error = gr_set_acls(0); -+ if (error) -+ goto out; -+ -+ gr_enable_rbac_system(); -+ -+ return 0; -+ -+out: -+ free_variables(false); -+ return error; -+} -+ -+static int -+lookup_special_role_auth(__u16 mode, const char *rolename, unsigned char **salt, -+ unsigned char **sum) -+{ -+ struct acl_role_label *r; -+ struct role_allowed_ip *ipp; -+ struct role_transition *trans; -+ unsigned int i; -+ int found = 0; -+ u32 curr_ip = current->signal->curr_ip; -+ -+ current->signal->saved_ip = curr_ip; -+ -+ /* check transition table */ -+ -+ for (trans = current->role->transitions; trans; trans = trans->next) { -+ if (!strcmp(rolename, trans->rolename)) { -+ found = 1; -+ break; -+ } -+ } -+ -+ if (!found) -+ return 0; -+ -+ /* handle special roles that do not require authentication -+ and check ip */ -+ -+ FOR_EACH_ROLE_START(r) -+ if (!strcmp(rolename, r->rolename) && -+ (r->roletype & GR_ROLE_SPECIAL)) { -+ found = 0; -+ if (r->allowed_ips != NULL) { -+ for (ipp = r->allowed_ips; ipp; ipp = ipp->next) { -+ if ((ntohl(curr_ip) & ipp->netmask) == -+ (ntohl(ipp->addr) & ipp->netmask)) -+ found = 1; -+ } -+ } else -+ found = 2; -+ if (!found) -+ return 0; -+ -+ if (((mode == GR_SPROLE) && (r->roletype & GR_ROLE_NOPW)) || -+ ((mode == GR_SPROLEPAM) && (r->roletype & GR_ROLE_PAM))) { -+ *salt = NULL; -+ *sum = NULL; -+ return 1; -+ } -+ } -+ FOR_EACH_ROLE_END(r) -+ -+ for (i = 0; i < polstate->num_sprole_pws; i++) { -+ if (!strcmp(rolename, polstate->acl_special_roles[i]->rolename)) { -+ *salt = polstate->acl_special_roles[i]->salt; -+ *sum = polstate->acl_special_roles[i]->sum; -+ return 1; -+ } -+ } -+ -+ return 0; -+} -+ -+int gr_check_secure_terminal(struct task_struct *task) -+{ -+ struct task_struct *p, *p2, *p3; -+ struct files_struct *files; -+ struct fdtable *fdt; -+ struct file *our_file = NULL, *file; -+ struct inode *our_inode = NULL; -+ int i; -+ -+ if (task->signal->tty == NULL) -+ return 1; -+ -+ files = get_files_struct(task); -+ if (files != NULL) { -+ rcu_read_lock(); -+ fdt = files_fdtable(files); -+ for (i=0; i < fdt->max_fds; i++) { -+ file = fcheck_files(files, i); -+ if (file && (our_file == NULL) && (file->private_data == task->signal->tty)) { -+ get_file(file); -+ our_file = file; -+ } -+ } -+ rcu_read_unlock(); -+ put_files_struct(files); -+ } -+ -+ if (our_file == NULL) -+ return 1; -+ -+ our_inode = d_backing_inode(our_file->f_path.dentry); -+ -+ read_lock(&tasklist_lock); -+ do_each_thread(p2, p) { -+ files = get_files_struct(p); -+ if (files == NULL || -+ (p->signal && p->signal->tty == task->signal->tty)) { -+ if (files != NULL) -+ put_files_struct(files); -+ continue; -+ } -+ rcu_read_lock(); -+ fdt = files_fdtable(files); -+ for (i=0; i < fdt->max_fds; i++) { -+ struct inode *inode = NULL; -+ file = fcheck_files(files, i); -+ if (file) -+ inode = d_backing_inode(file->f_path.dentry); -+ if (inode && S_ISCHR(inode->i_mode) && inode->i_rdev == our_inode->i_rdev) { -+ p3 = task; -+ while (task_pid_nr(p3) > 0) { -+ if (p3 == p) -+ break; -+ p3 = p3->real_parent; -+ } -+ if (p3 == p) -+ break; -+ gr_log_ttysniff(GR_DONT_AUDIT_GOOD, GR_TTYSNIFF_ACL_MSG, p); -+ gr_handle_alertkill(p); -+ rcu_read_unlock(); -+ put_files_struct(files); -+ read_unlock(&tasklist_lock); -+ fput(our_file); -+ return 0; -+ } -+ } -+ rcu_read_unlock(); -+ put_files_struct(files); -+ } while_each_thread(p2, p); -+ read_unlock(&tasklist_lock); -+ -+ fput(our_file); -+ return 1; -+} -+ -+ssize_t -+write_grsec_handler(struct file *file, const char __user * buf, size_t count, loff_t *ppos) -+{ -+ struct gr_arg_wrapper uwrap; -+ unsigned char *sprole_salt = NULL; -+ unsigned char *sprole_sum = NULL; -+ int error = 0; -+ int error2 = 0; -+ size_t req_count = 0; -+ unsigned char oldmode = 0; -+ -+ mutex_lock(&gr_dev_mutex); -+ -+ if (gr_acl_is_enabled() && !(current->acl->mode & GR_KERNELAUTH)) { -+ error = -EPERM; -+ goto out; -+ } -+ -+#ifdef CONFIG_COMPAT -+ pax_open_kernel(); -+ if (is_compat_task()) { -+ copy_gr_arg_wrapper = &copy_gr_arg_wrapper_compat; -+ copy_gr_arg = &copy_gr_arg_compat; -+ copy_acl_object_label = &copy_acl_object_label_compat; -+ copy_acl_subject_label = &copy_acl_subject_label_compat; -+ copy_acl_role_label = &copy_acl_role_label_compat; -+ copy_acl_ip_label = &copy_acl_ip_label_compat; -+ copy_role_allowed_ip = &copy_role_allowed_ip_compat; -+ copy_role_transition = &copy_role_transition_compat; -+ copy_sprole_pw = &copy_sprole_pw_compat; -+ copy_gr_hash_struct = &copy_gr_hash_struct_compat; -+ copy_pointer_from_array = &copy_pointer_from_array_compat; -+ get_gr_arg_wrapper_size = &get_gr_arg_wrapper_size_compat; -+ } else { -+ copy_gr_arg_wrapper = &copy_gr_arg_wrapper_normal; -+ copy_gr_arg = &copy_gr_arg_normal; -+ copy_acl_object_label = &copy_acl_object_label_normal; -+ copy_acl_subject_label = &copy_acl_subject_label_normal; -+ copy_acl_role_label = &copy_acl_role_label_normal; -+ copy_acl_ip_label = &copy_acl_ip_label_normal; -+ copy_role_allowed_ip = &copy_role_allowed_ip_normal; -+ copy_role_transition = &copy_role_transition_normal; -+ copy_sprole_pw = &copy_sprole_pw_normal; -+ copy_gr_hash_struct = &copy_gr_hash_struct_normal; -+ copy_pointer_from_array = &copy_pointer_from_array_normal; -+ get_gr_arg_wrapper_size = &get_gr_arg_wrapper_size_normal; -+ } -+ pax_close_kernel(); -+#endif -+ -+ req_count = get_gr_arg_wrapper_size(); -+ -+ if (count != req_count) { -+ gr_log_int_int(GR_DONT_AUDIT_GOOD, GR_DEV_ACL_MSG, (int)count, (int)req_count); -+ error = -EINVAL; -+ goto out; -+ } -+ -+ -+ if (gr_auth_expires && time_after_eq(get_seconds(), gr_auth_expires)) { -+ gr_auth_expires = 0; -+ gr_auth_attempts = 0; -+ } -+ -+ error = copy_gr_arg_wrapper(buf, &uwrap); -+ if (error) -+ goto out; -+ -+ error = copy_gr_arg(uwrap.arg, gr_usermode); -+ if (error) -+ goto out; -+ -+ if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_SPROLEPAM && -+ gr_auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES && -+ time_after(gr_auth_expires, get_seconds())) { -+ error = -EBUSY; -+ goto out; -+ } -+ -+ /* if non-root trying to do anything other than use a special role, -+ do not attempt authentication, do not count towards authentication -+ locking -+ */ -+ -+ if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_STATUS && -+ gr_usermode->mode != GR_UNSPROLE && gr_usermode->mode != GR_SPROLEPAM && -+ gr_is_global_nonroot(current_uid())) { -+ error = -EPERM; -+ goto out; -+ } -+ -+ /* ensure pw and special role name are null terminated */ -+ -+ gr_usermode->pw[GR_PW_LEN - 1] = '\0'; -+ gr_usermode->sp_role[GR_SPROLE_LEN - 1] = '\0'; -+ -+ /* Okay. -+ * We have our enough of the argument structure..(we have yet -+ * to copy_from_user the tables themselves) . Copy the tables -+ * only if we need them, i.e. for loading operations. */ -+ -+ switch (gr_usermode->mode) { -+ case GR_STATUS: -+ if (gr_acl_is_enabled()) { -+ error = 1; -+ if (!gr_check_secure_terminal(current)) -+ error = 3; -+ } else -+ error = 2; -+ goto out; -+ case GR_SHUTDOWN: -+ if (gr_acl_is_enabled() && !(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) { -+ stop_machine(gr_rbac_disable, NULL, NULL); -+ free_variables(false); -+ memset(gr_usermode, 0, sizeof(struct gr_arg)); -+ memset(gr_system_salt, 0, GR_SALT_LEN); -+ memset(gr_system_sum, 0, GR_SHA_LEN); -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTS_ACL_MSG); -+ } else if (gr_acl_is_enabled()) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_SHUTF_ACL_MSG); -+ error = -EPERM; -+ } else { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTI_ACL_MSG); -+ error = -EAGAIN; -+ } -+ break; -+ case GR_ENABLE: -+ if (!gr_acl_is_enabled() && !(error2 = gracl_init(gr_usermode))) -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_ENABLE_ACL_MSG, GR_VERSION); -+ else { -+ if (gr_acl_is_enabled()) -+ error = -EAGAIN; -+ else -+ error = error2; -+ gr_log_str(GR_DONT_AUDIT, GR_ENABLEF_ACL_MSG, GR_VERSION); -+ } -+ break; -+ case GR_OLDRELOAD: -+ oldmode = 1; -+ case GR_RELOAD: -+ if (!gr_acl_is_enabled()) { -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOADI_ACL_MSG, GR_VERSION); -+ error = -EAGAIN; -+ } else if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) { -+ error2 = gracl_reload(gr_usermode, oldmode); -+ if (!error2) -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOAD_ACL_MSG, GR_VERSION); -+ else { -+ gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION); -+ error = error2; -+ } -+ } else { -+ gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION); -+ error = -EPERM; -+ } -+ break; -+ case GR_SEGVMOD: -+ if (unlikely(!gr_acl_is_enabled())) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODI_ACL_MSG); -+ error = -EAGAIN; -+ break; -+ } -+ -+ if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODS_ACL_MSG); -+ if (gr_usermode->segv_device && gr_usermode->segv_inode) { -+ struct acl_subject_label *segvacl; -+ segvacl = -+ lookup_acl_subj_label(gr_usermode->segv_inode, -+ gr_usermode->segv_device, -+ current->role); -+ if (segvacl) { -+ segvacl->crashes = 0; -+ segvacl->expires = 0; -+ } -+ } else if (gr_find_uid(gr_usermode->segv_uid) >= 0) { -+ gr_remove_uid(gr_usermode->segv_uid); -+ } -+ } else { -+ gr_log_noargs(GR_DONT_AUDIT, GR_SEGVMODF_ACL_MSG); -+ error = -EPERM; -+ } -+ break; -+ case GR_SPROLE: -+ case GR_SPROLEPAM: -+ if (unlikely(!gr_acl_is_enabled())) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SPROLEI_ACL_MSG); -+ error = -EAGAIN; -+ break; -+ } -+ -+ if (current->role->expires && time_after_eq(get_seconds(), current->role->expires)) { -+ current->role->expires = 0; -+ current->role->auth_attempts = 0; -+ } -+ -+ if (current->role->auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES && -+ time_after(current->role->expires, get_seconds())) { -+ error = -EBUSY; -+ goto out; -+ } -+ -+ if (lookup_special_role_auth -+ (gr_usermode->mode, gr_usermode->sp_role, &sprole_salt, &sprole_sum) -+ && ((!sprole_salt && !sprole_sum) -+ || !(chkpw(gr_usermode, sprole_salt, sprole_sum)))) { -+ char *p = ""; -+ assign_special_role(gr_usermode->sp_role); -+ read_lock(&tasklist_lock); -+ if (current->real_parent) -+ p = current->real_parent->role->rolename; -+ read_unlock(&tasklist_lock); -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLES_ACL_MSG, -+ p, acl_sp_role_value); -+ } else { -+ gr_log_str(GR_DONT_AUDIT, GR_SPROLEF_ACL_MSG, gr_usermode->sp_role); -+ error = -EPERM; -+ if(!(current->role->auth_attempts++)) -+ current->role->expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT; -+ -+ goto out; -+ } -+ break; -+ case GR_UNSPROLE: -+ if (unlikely(!gr_acl_is_enabled())) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_UNSPROLEI_ACL_MSG); -+ error = -EAGAIN; -+ break; -+ } -+ -+ if (current->role->roletype & GR_ROLE_SPECIAL) { -+ char *p = ""; -+ int i = 0; -+ -+ read_lock(&tasklist_lock); -+ if (current->real_parent) { -+ p = current->real_parent->role->rolename; -+ i = current->real_parent->acl_role_id; -+ } -+ read_unlock(&tasklist_lock); -+ -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_UNSPROLES_ACL_MSG, p, i); -+ gr_set_acls(1); -+ } else { -+ error = -EPERM; -+ goto out; -+ } -+ break; -+ default: -+ gr_log_int(GR_DONT_AUDIT, GR_INVMODE_ACL_MSG, gr_usermode->mode); -+ error = -EINVAL; -+ break; -+ } -+ -+ if (error != -EPERM) -+ goto out; -+ -+ if(!(gr_auth_attempts++)) -+ gr_auth_expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT; -+ -+ out: -+ mutex_unlock(&gr_dev_mutex); -+ -+ if (!error) -+ error = req_count; -+ -+ return error; -+} -+ -+int -+gr_set_acls(const int type) -+{ -+ struct task_struct *task, *task2; -+ struct acl_role_label *role = current->role; -+ struct acl_subject_label *subj; -+ __u16 acl_role_id = current->acl_role_id; -+ const struct cred *cred; -+ int ret; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ do_each_thread(task2, task) { -+ /* check to see if we're called from the exit handler, -+ if so, only replace ACLs that have inherited the admin -+ ACL */ -+ -+ if (type && (task->role != role || -+ task->acl_role_id != acl_role_id)) -+ continue; -+ -+ task->acl_role_id = 0; -+ task->acl_sp_role = 0; -+ task->inherited = 0; -+ -+ if (task->exec_file) { -+ cred = __task_cred(task); -+ task->role = __lookup_acl_role_label(polstate, task, GR_GLOBAL_UID(cred->uid), GR_GLOBAL_GID(cred->gid)); -+ subj = __gr_get_subject_for_task(polstate, task, NULL, 1); -+ if (subj == NULL) { -+ ret = -EINVAL; -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_DEFACL_MSG, task->comm, task_pid_nr(task)); -+ return ret; -+ } -+ __gr_apply_subject_to_task(polstate, task, subj); -+ } else { -+ // it's a kernel process -+ task->role = polstate->kernel_role; -+ task->acl = polstate->kernel_role->root_label; -+#ifdef CONFIG_GRKERNSEC_ACL_HIDEKERN -+ task->acl->mode &= ~GR_PROCFIND; -+#endif -+ } -+ } while_each_thread(task2, task); -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ return 0; -+} -diff --git a/grsecurity/gracl_res.c b/grsecurity/gracl_res.c -new file mode 100644 -index 0000000..39645c9 ---- /dev/null -+++ b/grsecurity/gracl_res.c -@@ -0,0 +1,68 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/gracl.h> -+#include <linux/grinternal.h> -+ -+static const char *restab_log[] = { -+ [RLIMIT_CPU] = "RLIMIT_CPU", -+ [RLIMIT_FSIZE] = "RLIMIT_FSIZE", -+ [RLIMIT_DATA] = "RLIMIT_DATA", -+ [RLIMIT_STACK] = "RLIMIT_STACK", -+ [RLIMIT_CORE] = "RLIMIT_CORE", -+ [RLIMIT_RSS] = "RLIMIT_RSS", -+ [RLIMIT_NPROC] = "RLIMIT_NPROC", -+ [RLIMIT_NOFILE] = "RLIMIT_NOFILE", -+ [RLIMIT_MEMLOCK] = "RLIMIT_MEMLOCK", -+ [RLIMIT_AS] = "RLIMIT_AS", -+ [RLIMIT_LOCKS] = "RLIMIT_LOCKS", -+ [RLIMIT_SIGPENDING] = "RLIMIT_SIGPENDING", -+ [RLIMIT_MSGQUEUE] = "RLIMIT_MSGQUEUE", -+ [RLIMIT_NICE] = "RLIMIT_NICE", -+ [RLIMIT_RTPRIO] = "RLIMIT_RTPRIO", -+ [RLIMIT_RTTIME] = "RLIMIT_RTTIME", -+ [GR_CRASH_RES] = "RLIMIT_CRASH" -+}; -+ -+void -+gr_log_resource(const struct task_struct *task, -+ const int res, const unsigned long wanted, const int gt) -+{ -+ const struct cred *cred; -+ unsigned long rlim; -+ -+ if (!gr_acl_is_enabled() && !grsec_resource_logging) -+ return; -+ -+ // not yet supported resource -+ if (unlikely(!restab_log[res])) -+ return; -+ -+ if (res == RLIMIT_CPU || res == RLIMIT_RTTIME) -+ rlim = task_rlimit_max(task, res); -+ else -+ rlim = task_rlimit(task, res); -+ -+ if (likely((rlim == RLIM_INFINITY) || (gt && wanted <= rlim) || (!gt && wanted < rlim))) -+ return; -+ -+ rcu_read_lock(); -+ cred = __task_cred(task); -+ -+ if (res == RLIMIT_NPROC && -+ (cap_raised(cred->cap_effective, CAP_SYS_ADMIN) || -+ cap_raised(cred->cap_effective, CAP_SYS_RESOURCE))) -+ goto out_rcu_unlock; -+ else if (res == RLIMIT_MEMLOCK && -+ cap_raised(cred->cap_effective, CAP_IPC_LOCK)) -+ goto out_rcu_unlock; -+ else if (res == RLIMIT_NICE && cap_raised(cred->cap_effective, CAP_SYS_NICE)) -+ goto out_rcu_unlock; -+ rcu_read_unlock(); -+ -+ gr_log_res_ulong2_str(GR_DONT_AUDIT, GR_RESOURCE_MSG, task, wanted, restab_log[res], rlim); -+ -+ return; -+out_rcu_unlock: -+ rcu_read_unlock(); -+ return; -+} -diff --git a/grsecurity/gracl_segv.c b/grsecurity/gracl_segv.c -new file mode 100644 -index 0000000..21646aa ---- /dev/null -+++ b/grsecurity/gracl_segv.c -@@ -0,0 +1,304 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <asm/uaccess.h> -+#include <asm/errno.h> -+#include <asm/mman.h> -+#include <net/sock.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/slab.h> -+#include <linux/types.h> -+#include <linux/sched.h> -+#include <linux/timer.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#if defined(CONFIG_BTRFS_FS) || defined(CONFIG_BTRFS_FS_MODULE) -+#include <linux/magic.h> -+#include <linux/pagemap.h> -+#include "../fs/btrfs/async-thread.h" -+#include "../fs/btrfs/ctree.h" -+#include "../fs/btrfs/btrfs_inode.h" -+#endif -+ -+static struct crash_uid *uid_set; -+static unsigned short uid_used; -+static DEFINE_SPINLOCK(gr_uid_lock); -+extern rwlock_t gr_inode_lock; -+extern struct acl_subject_label * -+ lookup_acl_subj_label(const u64 inode, const dev_t dev, -+ struct acl_role_label *role); -+ -+int -+gr_init_uidset(void) -+{ -+ uid_set = -+ kmalloc(GR_UIDTABLE_MAX * sizeof (struct crash_uid), GFP_KERNEL); -+ uid_used = 0; -+ -+ return uid_set ? 1 : 0; -+} -+ -+void -+gr_free_uidset(void) -+{ -+ if (uid_set) { -+ struct crash_uid *tmpset; -+ spin_lock(&gr_uid_lock); -+ tmpset = uid_set; -+ uid_set = NULL; -+ uid_used = 0; -+ spin_unlock(&gr_uid_lock); -+ if (tmpset) -+ kfree(tmpset); -+ } -+ -+ return; -+} -+ -+int -+gr_find_uid(const uid_t uid) -+{ -+ struct crash_uid *tmp = uid_set; -+ uid_t buid; -+ int low = 0, high = uid_used - 1, mid; -+ -+ while (high >= low) { -+ mid = (low + high) >> 1; -+ buid = tmp[mid].uid; -+ if (buid == uid) -+ return mid; -+ if (buid > uid) -+ high = mid - 1; -+ if (buid < uid) -+ low = mid + 1; -+ } -+ -+ return -1; -+} -+ -+static void -+gr_insertsort(void) -+{ -+ unsigned short i, j; -+ struct crash_uid index; -+ -+ for (i = 1; i < uid_used; i++) { -+ index = uid_set[i]; -+ j = i; -+ while ((j > 0) && uid_set[j - 1].uid > index.uid) { -+ uid_set[j] = uid_set[j - 1]; -+ j--; -+ } -+ uid_set[j] = index; -+ } -+ -+ return; -+} -+ -+static void -+gr_insert_uid(const kuid_t kuid, const unsigned long expires) -+{ -+ int loc; -+ uid_t uid = GR_GLOBAL_UID(kuid); -+ -+ if (uid_used == GR_UIDTABLE_MAX) -+ return; -+ -+ loc = gr_find_uid(uid); -+ -+ if (loc >= 0) { -+ uid_set[loc].expires = expires; -+ return; -+ } -+ -+ uid_set[uid_used].uid = uid; -+ uid_set[uid_used].expires = expires; -+ uid_used++; -+ -+ gr_insertsort(); -+ -+ return; -+} -+ -+void -+gr_remove_uid(const unsigned short loc) -+{ -+ unsigned short i; -+ -+ for (i = loc + 1; i < uid_used; i++) -+ uid_set[i - 1] = uid_set[i]; -+ -+ uid_used--; -+ -+ return; -+} -+ -+int -+gr_check_crash_uid(const kuid_t kuid) -+{ -+ int loc; -+ int ret = 0; -+ uid_t uid; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ uid = GR_GLOBAL_UID(kuid); -+ -+ spin_lock(&gr_uid_lock); -+ loc = gr_find_uid(uid); -+ -+ if (loc < 0) -+ goto out_unlock; -+ -+ if (time_before_eq(uid_set[loc].expires, get_seconds())) -+ gr_remove_uid(loc); -+ else -+ ret = 1; -+ -+out_unlock: -+ spin_unlock(&gr_uid_lock); -+ return ret; -+} -+ -+static int -+proc_is_setxid(const struct cred *cred) -+{ -+ if (!uid_eq(cred->uid, cred->euid) || !uid_eq(cred->uid, cred->suid) || -+ !uid_eq(cred->uid, cred->fsuid)) -+ return 1; -+ if (!gid_eq(cred->gid, cred->egid) || !gid_eq(cred->gid, cred->sgid) || -+ !gid_eq(cred->gid, cred->fsgid)) -+ return 1; -+ -+ return 0; -+} -+ -+extern int gr_fake_force_sig(int sig, struct task_struct *t); -+ -+void -+gr_handle_crash(struct task_struct *task, const int sig) -+{ -+ struct acl_subject_label *curr; -+ struct task_struct *tsk, *tsk2; -+ const struct cred *cred; -+ const struct cred *cred2; -+ -+ if (sig != SIGSEGV && sig != SIGKILL && sig != SIGBUS && sig != SIGILL) -+ return; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return; -+ -+ curr = task->acl; -+ -+ if (!(curr->resmask & (1U << GR_CRASH_RES))) -+ return; -+ -+ if (time_before_eq(curr->expires, get_seconds())) { -+ curr->expires = 0; -+ curr->crashes = 0; -+ } -+ -+ curr->crashes++; -+ -+ if (!curr->expires) -+ curr->expires = get_seconds() + curr->res[GR_CRASH_RES].rlim_max; -+ -+ if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) && -+ time_after(curr->expires, get_seconds())) { -+ rcu_read_lock(); -+ cred = __task_cred(task); -+ if (gr_is_global_nonroot(cred->uid) && proc_is_setxid(cred)) { -+ gr_log_crash1(GR_DONT_AUDIT, GR_SEGVSTART_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max); -+ spin_lock(&gr_uid_lock); -+ gr_insert_uid(cred->uid, curr->expires); -+ spin_unlock(&gr_uid_lock); -+ curr->expires = 0; -+ curr->crashes = 0; -+ read_lock(&tasklist_lock); -+ do_each_thread(tsk2, tsk) { -+ cred2 = __task_cred(tsk); -+ if (tsk != task && uid_eq(cred2->uid, cred->uid)) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } while_each_thread(tsk2, tsk); -+ read_unlock(&tasklist_lock); -+ } else { -+ gr_log_crash2(GR_DONT_AUDIT, GR_SEGVNOSUID_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ do_each_thread(tsk2, tsk) { -+ if (likely(tsk != task)) { -+ // if this thread has the same subject as the one that triggered -+ // RES_CRASH and it's the same binary, kill it -+ if (tsk->acl == task->acl && gr_is_same_file(tsk->exec_file, task->exec_file)) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } -+ } while_each_thread(tsk2, tsk); -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ } -+ rcu_read_unlock(); -+ } -+ -+ return; -+} -+ -+int -+gr_check_crash_exec(const struct file *filp) -+{ -+ struct acl_subject_label *curr; -+ struct dentry *dentry; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ read_lock(&gr_inode_lock); -+ dentry = filp->f_path.dentry; -+ curr = lookup_acl_subj_label(gr_get_ino_from_dentry(dentry), gr_get_dev_from_dentry(dentry), -+ current->role); -+ read_unlock(&gr_inode_lock); -+ -+ if (!curr || !(curr->resmask & (1U << GR_CRASH_RES)) || -+ (!curr->crashes && !curr->expires)) -+ return 0; -+ -+ if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) && -+ time_after(curr->expires, get_seconds())) -+ return 1; -+ else if (time_before_eq(curr->expires, get_seconds())) { -+ curr->crashes = 0; -+ curr->expires = 0; -+ } -+ -+ return 0; -+} -+ -+void -+gr_handle_alertkill(struct task_struct *task) -+{ -+ struct acl_subject_label *curracl; -+ __u32 curr_ip; -+ struct task_struct *p, *p2; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return; -+ -+ curracl = task->acl; -+ curr_ip = task->signal->curr_ip; -+ -+ if ((curracl->mode & GR_KILLIPPROC) && curr_ip) { -+ read_lock(&tasklist_lock); -+ do_each_thread(p2, p) { -+ if (p->signal->curr_ip == curr_ip) -+ gr_fake_force_sig(SIGKILL, p); -+ } while_each_thread(p2, p); -+ read_unlock(&tasklist_lock); -+ } else if (curracl->mode & GR_KILLPROC) -+ gr_fake_force_sig(SIGKILL, task); -+ -+ return; -+} -diff --git a/grsecurity/gracl_shm.c b/grsecurity/gracl_shm.c -new file mode 100644 -index 0000000..6b0c9cc ---- /dev/null -+++ b/grsecurity/gracl_shm.c -@@ -0,0 +1,40 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/ipc.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+int -+gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const u64 shm_createtime, const kuid_t cuid, const int shmid) -+{ -+ struct task_struct *task; -+ -+ if (!gr_acl_is_enabled()) -+ return 1; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ -+ task = find_task_by_vpid(shm_cprid); -+ -+ if (unlikely(!task)) -+ task = find_task_by_vpid(shm_lapid); -+ -+ if (unlikely(task && (time_before_eq64(task->start_time, shm_createtime) || -+ (task_pid_nr(task) == shm_lapid)) && -+ (task->acl->mode & GR_PROTSHM) && -+ (task->acl != current->acl))) { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_int3(GR_DONT_AUDIT, GR_SHMAT_ACL_MSG, GR_GLOBAL_UID(cuid), shm_cprid, shmid); -+ return 0; -+ } -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ return 1; -+} -diff --git a/grsecurity/grsec_chdir.c b/grsecurity/grsec_chdir.c -new file mode 100644 -index 0000000..bc0be01 ---- /dev/null -+++ b/grsecurity/grsec_chdir.c -@@ -0,0 +1,19 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+void -+gr_log_chdir(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR -+ if ((grsec_enable_chdir && grsec_enable_group && -+ in_group_p(grsec_audit_gid)) || (grsec_enable_chdir && -+ !grsec_enable_group)) { -+ gr_log_fs_generic(GR_DO_AUDIT, GR_CHDIR_AUDIT_MSG, dentry, mnt); -+ } -+#endif -+ return; -+} -diff --git a/grsecurity/grsec_chroot.c b/grsecurity/grsec_chroot.c -new file mode 100644 -index 0000000..652ab45 ---- /dev/null -+++ b/grsecurity/grsec_chroot.c -@@ -0,0 +1,467 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/mount.h> -+#include <linux/types.h> -+#include "../fs/mount.h" -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD -+int gr_init_ran; -+#endif -+ -+void gr_inc_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ struct dentry *tmpd = dentry; -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ -+ while (tmpd != mnt->mnt_root) { -+ atomic_inc(&tmpd->chroot_refcnt); -+ tmpd = tmpd->d_parent; -+ } -+ atomic_inc(&tmpd->chroot_refcnt); -+ -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+#endif -+} -+ -+void gr_dec_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ struct dentry *tmpd = dentry; -+ -+ read_seqlock_excl(&mount_lock); -+ write_seqlock(&rename_lock); -+ -+ while (tmpd != mnt->mnt_root) { -+ atomic_dec(&tmpd->chroot_refcnt); -+ tmpd = tmpd->d_parent; -+ } -+ atomic_dec(&tmpd->chroot_refcnt); -+ -+ write_sequnlock(&rename_lock); -+ read_sequnlock_excl(&mount_lock); -+#endif -+} -+ -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+static struct dentry *get_closest_chroot(struct dentry *dentry) -+{ -+ write_seqlock(&rename_lock); -+ do { -+ if (atomic_read(&dentry->chroot_refcnt)) { -+ write_sequnlock(&rename_lock); -+ return dentry; -+ } -+ dentry = dentry->d_parent; -+ } while (!IS_ROOT(dentry)); -+ write_sequnlock(&rename_lock); -+ return NULL; -+} -+#endif -+ -+int gr_bad_chroot_rename(struct dentry *olddentry, struct vfsmount *oldmnt, -+ struct dentry *newdentry, struct vfsmount *newmnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ struct dentry *chroot; -+ -+ if (unlikely(!grsec_enable_chroot_rename)) -+ return 0; -+ -+ if (likely(!proc_is_chrooted(current) && gr_is_global_root(current_uid()))) -+ return 0; -+ -+ chroot = get_closest_chroot(olddentry); -+ -+ if (chroot == NULL) -+ return 0; -+ -+ if (is_subdir(newdentry, chroot)) -+ return 0; -+ -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_RENAME_MSG, olddentry, oldmnt); -+ -+ return 1; -+#else -+ return 0; -+#endif -+} -+ -+void gr_set_chroot_entries(struct task_struct *task, const struct path *path) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (task_pid_nr(task) > 1 && path->dentry != init_task.fs->root.dentry && -+ path->dentry != task->nsproxy->mnt_ns->root->mnt.mnt_root -+#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD -+ && gr_init_ran -+#endif -+ ) -+ task->gr_is_chrooted = 1; -+ else { -+#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD -+ if (task_pid_nr(task) == 1 && !gr_init_ran) -+ gr_init_ran = 1; -+#endif -+ task->gr_is_chrooted = 0; -+ } -+ -+ task->gr_chroot_dentry = path->dentry; -+#endif -+ return; -+} -+ -+void gr_clear_chroot_entries(struct task_struct *task) -+{ -+#ifdef CONFIG_GRKERNSEC -+ task->gr_is_chrooted = 0; -+ task->gr_chroot_dentry = NULL; -+#endif -+ return; -+} -+ -+int -+gr_handle_chroot_unix(const pid_t pid) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX -+ struct task_struct *p; -+ -+ if (unlikely(!grsec_enable_chroot_unix)) -+ return 1; -+ -+ if (likely(!proc_is_chrooted(current))) -+ return 1; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ p = find_task_by_vpid_unrestricted(pid); -+ if (unlikely(p && !have_same_root(current, p))) { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT, GR_UNIX_CHROOT_MSG); -+ return 0; -+ } -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+#endif -+ return 1; -+} -+ -+int -+gr_handle_chroot_nice(void) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ if (grsec_enable_chroot_nice && proc_is_chrooted(current)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_NICE_CHROOT_MSG); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_setpriority(struct task_struct *p, const int niceval) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ if (grsec_enable_chroot_nice && (niceval < task_nice(p)) -+ && proc_is_chrooted(current)) { -+ gr_log_str_int(GR_DONT_AUDIT, GR_PRIORITY_CHROOT_MSG, p->comm, task_pid_nr(p)); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_fowner(struct pid *pid, enum pid_type type) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ struct task_struct *p; -+ int ret = 0; -+ if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || !pid) -+ return ret; -+ -+ read_lock(&tasklist_lock); -+ do_each_pid_task(pid, type, p) { -+ if (!have_same_root(current, p)) { -+ ret = 1; -+ goto out; -+ } -+ } while_each_pid_task(pid, type, p); -+out: -+ read_unlock(&tasklist_lock); -+ return ret; -+#endif -+ return 0; -+} -+ -+int -+gr_pid_is_chrooted(struct task_struct *p) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || p == NULL) -+ return 0; -+ -+ if ((p->exit_state & (EXIT_ZOMBIE | EXIT_DEAD)) || -+ !have_same_root(current, p)) { -+ return 1; -+ } -+#endif -+ return 0; -+} -+ -+EXPORT_SYMBOL_GPL(gr_pid_is_chrooted); -+ -+#if defined(CONFIG_GRKERNSEC_CHROOT_DOUBLE) || defined(CONFIG_GRKERNSEC_CHROOT_FCHDIR) -+int gr_is_outside_chroot(const struct dentry *u_dentry, const struct vfsmount *u_mnt) -+{ -+ struct path path, currentroot; -+ int ret = 0; -+ -+ path.dentry = (struct dentry *)u_dentry; -+ path.mnt = (struct vfsmount *)u_mnt; -+ get_fs_root(current->fs, &currentroot); -+ if (path_is_under(&path, &currentroot)) -+ ret = 1; -+ path_put(&currentroot); -+ -+ return ret; -+} -+#endif -+ -+int -+gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ if (!grsec_enable_chroot_fchdir) -+ return 1; -+ -+ if (!proc_is_chrooted(current)) -+ return 1; -+ else if (!gr_is_outside_chroot(u_dentry, u_mnt)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_FCHDIR_MSG, u_dentry, u_mnt); -+ return 0; -+ } -+#endif -+ return 1; -+} -+ -+int -+gr_chroot_fhandle(void) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ if (!grsec_enable_chroot_fchdir) -+ return 1; -+ -+ if (!proc_is_chrooted(current)) -+ return 1; -+ else { -+ gr_log_noargs(GR_DONT_AUDIT, GR_CHROOT_FHANDLE_MSG); -+ return 0; -+ } -+#endif -+ return 1; -+} -+ -+int -+gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const u64 shm_createtime) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT -+ struct task_struct *p; -+ -+ if (unlikely(!grsec_enable_chroot_shmat)) -+ return 1; -+ -+ if (likely(!proc_is_chrooted(current))) -+ return 1; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ -+ if ((p = find_task_by_vpid_unrestricted(shm_cprid))) { -+ if (time_before_eq64(p->start_time, shm_createtime)) { -+ if (have_same_root(current, p)) { -+ goto allow; -+ } else { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG); -+ return 0; -+ } -+ } -+ /* creator exited, pid reuse, fall through to next check */ -+ } -+ if ((p = find_task_by_vpid_unrestricted(shm_lapid))) { -+ if (unlikely(!have_same_root(current, p))) { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG); -+ return 0; -+ } -+ } -+ -+allow: -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+#endif -+ return 1; -+} -+ -+void -+gr_log_chroot_exec(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG -+ if (grsec_enable_chroot_execlog && proc_is_chrooted(current)) -+ gr_log_fs_generic(GR_DO_AUDIT, GR_EXEC_CHROOT_MSG, dentry, mnt); -+#endif -+ return; -+} -+ -+int -+gr_handle_chroot_mknod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD -+ if (grsec_enable_chroot_mknod && !S_ISFIFO(mode) && !S_ISREG(mode) && -+ proc_is_chrooted(current)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_MKNOD_CHROOT_MSG, dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_mount(const struct dentry *dentry, -+ const struct vfsmount *mnt, const char *dev_name) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT -+ if (grsec_enable_chroot_mount && proc_is_chrooted(current)) { -+ gr_log_str_fs(GR_DONT_AUDIT, GR_MOUNT_CHROOT_MSG, dev_name ? dev_name : "none", dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_pivot(void) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT -+ if (grsec_enable_chroot_pivot && proc_is_chrooted(current)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_PIVOT_CHROOT_MSG); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_chroot(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE -+ if (grsec_enable_chroot_double && proc_is_chrooted(current) && -+ !gr_is_outside_chroot(dentry, mnt)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_CHROOT_MSG, dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+extern const char *captab_log[]; -+extern int captab_log_entries; -+ -+int -+gr_task_chroot_is_capable(const struct task_struct *task, const struct cred *cred, const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ if (grsec_enable_chroot_caps && proc_is_chrooted(task)) { -+ kernel_cap_t chroot_caps = GR_CHROOT_CAPS; -+ if (cap_raised(chroot_caps, cap)) { -+ if (cap_raised(cred->cap_effective, cap) && cap < captab_log_entries) { -+ gr_log_cap(GR_DONT_AUDIT, GR_CAP_CHROOT_MSG, task, captab_log[cap]); -+ } -+ return 0; -+ } -+ } -+#endif -+ return 1; -+} -+ -+int -+gr_chroot_is_capable(const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ return gr_task_chroot_is_capable(current, current_cred(), cap); -+#endif -+ return 1; -+} -+ -+int -+gr_task_chroot_is_capable_nolog(const struct task_struct *task, const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ if (grsec_enable_chroot_caps && proc_is_chrooted(task)) { -+ kernel_cap_t chroot_caps = GR_CHROOT_CAPS; -+ if (cap_raised(chroot_caps, cap)) { -+ return 0; -+ } -+ } -+#endif -+ return 1; -+} -+ -+int -+gr_chroot_is_capable_nolog(const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ return gr_task_chroot_is_capable_nolog(current, cap); -+#endif -+ return 1; -+} -+ -+int -+gr_handle_chroot_sysctl(const int op) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL -+ if (grsec_enable_chroot_sysctl && (op & MAY_WRITE) && -+ proc_is_chrooted(current)) -+ return -EACCES; -+#endif -+ return 0; -+} -+ -+void -+gr_handle_chroot_chdir(const struct path *path) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR -+ if (grsec_enable_chroot_chdir) -+ set_fs_pwd(current->fs, path); -+#endif -+ return; -+} -+ -+int -+gr_handle_chroot_chmod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD -+ /* allow chmod +s on directories, but not files */ -+ if (grsec_enable_chroot_chmod && !d_is_dir(dentry) && -+ ((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))) && -+ proc_is_chrooted(current)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHMOD_CHROOT_MSG, dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_disabled.c b/grsecurity/grsec_disabled.c -new file mode 100644 -index 0000000..e723c08 ---- /dev/null -+++ b/grsecurity/grsec_disabled.c -@@ -0,0 +1,445 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/kdev_t.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/sysctl.h> -+ -+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS -+void -+pax_set_initial_flags(struct linux_binprm *bprm) -+{ -+ return; -+} -+#endif -+ -+#ifdef CONFIG_SYSCTL -+__u32 -+gr_handle_sysctl(const struct ctl_table * table, const int op) -+{ -+ return 0; -+} -+#endif -+ -+#ifdef CONFIG_TASKSTATS -+int gr_is_taskstats_denied(int pid) -+{ -+ return 0; -+} -+#endif -+ -+int -+gr_acl_is_enabled(void) -+{ -+ return 0; -+} -+ -+int -+gr_learn_cap(const struct task_struct *task, const struct cred *cred, const int cap) -+{ -+ return 0; -+} -+ -+void -+gr_handle_proc_create(const struct dentry *dentry, const struct inode *inode) -+{ -+ return; -+} -+ -+int -+gr_handle_rawio(const struct inode *inode) -+{ -+ return 0; -+} -+ -+void -+gr_acl_handle_psacct(struct task_struct *task, const long code) -+{ -+ return; -+} -+ -+int -+gr_handle_ptrace(struct task_struct *task, const long request) -+{ -+ return 0; -+} -+ -+int -+gr_handle_proc_ptrace(struct task_struct *task) -+{ -+ return 0; -+} -+ -+int -+gr_set_acls(const int type) -+{ -+ return 0; -+} -+ -+int -+gr_check_hidden_task(const struct task_struct *tsk) -+{ -+ return 0; -+} -+ -+int -+gr_check_protected_task(const struct task_struct *task) -+{ -+ return 0; -+} -+ -+int -+gr_check_protected_task_fowner(struct pid *pid, enum pid_type type) -+{ -+ return 0; -+} -+ -+void -+gr_copy_label(struct task_struct *tsk) -+{ -+ return; -+} -+ -+void -+gr_set_pax_flags(struct task_struct *task) -+{ -+ return; -+} -+ -+int -+gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt, -+ const int unsafe_share) -+{ -+ return 0; -+} -+ -+void -+gr_handle_delete(const u64 ino, const dev_t dev) -+{ -+ return; -+} -+ -+void -+gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return; -+} -+ -+void -+gr_handle_crash(struct task_struct *task, const int sig) -+{ -+ return; -+} -+ -+int -+gr_check_crash_exec(const struct file *filp) -+{ -+ return 0; -+} -+ -+int -+gr_check_crash_uid(const kuid_t uid) -+{ -+ return 0; -+} -+ -+void -+gr_handle_rename(struct inode *old_dir, struct inode *new_dir, -+ struct dentry *old_dentry, -+ struct dentry *new_dentry, -+ struct vfsmount *mnt, const __u8 replace, unsigned int flags) -+{ -+ return; -+} -+ -+int -+gr_search_socket(const int family, const int type, const int protocol) -+{ -+ return 1; -+} -+ -+int -+gr_search_connectbind(const int mode, const struct socket *sock, -+ const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+void -+gr_handle_alertkill(struct task_struct *task) -+{ -+ return; -+} -+ -+__u32 -+gr_acl_handle_execve(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_hidden_file(const struct dentry * dentry, -+ const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt, -+ int acc_mode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_unlink(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+int -+gr_acl_handle_mmap(const struct file *file, const unsigned long prot, -+ unsigned int *vm_flags) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_truncate(const struct dentry * dentry, -+ const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_utime(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_access(const struct dentry * dentry, -+ const struct vfsmount * mnt, const int fmode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_chmod(const struct dentry * dentry, const struct vfsmount * mnt, -+ umode_t *mode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_chown(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_setxattr(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_removexattr(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+void -+grsecurity_init(void) -+{ -+ return; -+} -+ -+umode_t gr_acl_umask(void) -+{ -+ return 0; -+} -+ -+__u32 -+gr_acl_handle_mknod(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const int mode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_mkdir(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_symlink(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, const struct filename *from) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_link(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const struct dentry * old_dentry, -+ const struct vfsmount * old_mnt, const struct filename *to) -+{ -+ return 1; -+} -+ -+int -+gr_acl_handle_rename(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const struct dentry *old_dentry, -+ const struct inode *old_parent_inode, -+ const struct vfsmount *old_mnt, const struct filename *newname, -+ unsigned int flags) -+{ -+ return 0; -+} -+ -+int -+gr_acl_handle_filldir(const struct file *file, const char *name, -+ const int namelen, const u64 ino) -+{ -+ return 1; -+} -+ -+int -+gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const u64 shm_createtime, const kuid_t cuid, const int shmid) -+{ -+ return 1; -+} -+ -+int -+gr_search_bind(const struct socket *sock, const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+int -+gr_search_accept(const struct socket *sock) -+{ -+ return 0; -+} -+ -+int -+gr_search_listen(const struct socket *sock) -+{ -+ return 0; -+} -+ -+int -+gr_search_connect(const struct socket *sock, const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+__u32 -+gr_acl_handle_unix(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_creat(const struct dentry * dentry, -+ const struct dentry * p_dentry, -+ const struct vfsmount * p_mnt, int open_flags, int acc_mode, -+ const int imode) -+{ -+ return 1; -+} -+ -+void -+gr_acl_handle_exit(void) -+{ -+ return; -+} -+ -+int -+gr_acl_handle_mprotect(const struct file *file, const unsigned long prot) -+{ -+ return 1; -+} -+ -+void -+gr_set_role_label(const kuid_t uid, const kgid_t gid) -+{ -+ return; -+} -+ -+int -+gr_acl_handle_procpidmem(const struct task_struct *task) -+{ -+ return 0; -+} -+ -+int -+gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb) -+{ -+ return 0; -+} -+ -+int -+gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+int -+gr_check_user_change(kuid_t real, kuid_t effective, kuid_t fs) -+{ -+ return 0; -+} -+ -+int -+gr_check_group_change(kgid_t real, kgid_t effective, kgid_t fs) -+{ -+ return 0; -+} -+ -+int gr_acl_enable_at_secure(void) -+{ -+ return 0; -+} -+ -+dev_t gr_get_dev_from_dentry(struct dentry *dentry) -+{ -+ return d_backing_inode(dentry)->i_sb->s_dev; -+} -+ -+u64 gr_get_ino_from_dentry(struct dentry *dentry) -+{ -+ return d_backing_inode(dentry)->i_ino; -+} -+ -+void gr_put_exec_file(struct task_struct *task) -+{ -+ return; -+} -+ -+#ifdef CONFIG_SECURITY -+EXPORT_SYMBOL_GPL(gr_check_user_change); -+EXPORT_SYMBOL_GPL(gr_check_group_change); -+#endif -diff --git a/grsecurity/grsec_exec.c b/grsecurity/grsec_exec.c -new file mode 100644 -index 0000000..fb7531e ---- /dev/null -+++ b/grsecurity/grsec_exec.c -@@ -0,0 +1,189 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/binfmts.h> -+#include <linux/fs.h> -+#include <linux/types.h> -+#include <linux/grdefs.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/capability.h> -+#include <linux/module.h> -+#include <linux/compat.h> -+ -+#include <asm/uaccess.h> -+ -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+static char gr_exec_arg_buf[132]; -+static DEFINE_MUTEX(gr_exec_arg_mutex); -+#endif -+ -+struct user_arg_ptr { -+#ifdef CONFIG_COMPAT -+ bool is_compat; -+#endif -+ union { -+ const char __user *const __user *native; -+#ifdef CONFIG_COMPAT -+ const compat_uptr_t __user *compat; -+#endif -+ } ptr; -+}; -+ -+extern const char __user *get_user_arg_ptr(struct user_arg_ptr argv, int nr); -+ -+void -+gr_handle_exec_args(struct linux_binprm *bprm, struct user_arg_ptr argv) -+{ -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+ char *grarg = gr_exec_arg_buf; -+ unsigned int i, x, execlen = 0; -+ char c; -+ -+ if (!((grsec_enable_execlog && grsec_enable_group && -+ in_group_p(grsec_audit_gid)) -+ || (grsec_enable_execlog && !grsec_enable_group))) -+ return; -+ -+ mutex_lock(&gr_exec_arg_mutex); -+ memset(grarg, 0, sizeof(gr_exec_arg_buf)); -+ -+ for (i = 0; i < bprm->argc && execlen < 128; i++) { -+ const char __user *p; -+ unsigned int len; -+ -+ p = get_user_arg_ptr(argv, i); -+ if (IS_ERR(p)) -+ goto log; -+ -+ len = strnlen_user(p, 128 - execlen); -+ if (len > 128 - execlen) -+ len = 128 - execlen; -+ else if (len > 0) -+ len--; -+ if (copy_from_user(grarg + execlen, p, len)) -+ goto log; -+ -+ /* rewrite unprintable characters */ -+ for (x = 0; x < len; x++) { -+ c = *(grarg + execlen + x); -+ if (c < 32 || c > 126) -+ *(grarg + execlen + x) = ' '; -+ } -+ -+ execlen += len; -+ *(grarg + execlen) = ' '; -+ *(grarg + execlen + 1) = '\0'; -+ execlen++; -+ } -+ -+ log: -+ gr_log_fs_str(GR_DO_AUDIT, GR_EXEC_AUDIT_MSG, bprm->file->f_path.dentry, -+ bprm->file->f_path.mnt, grarg); -+ mutex_unlock(&gr_exec_arg_mutex); -+#endif -+ return; -+} -+ -+#ifdef CONFIG_GRKERNSEC -+extern int gr_acl_is_capable(const int cap); -+extern int gr_acl_is_capable_nolog(const int cap); -+extern int gr_task_acl_is_capable(const struct task_struct *task, const struct cred *cred, const int cap); -+extern int gr_task_acl_is_capable_nolog(const struct task_struct *task, const int cap); -+extern int gr_chroot_is_capable(const int cap); -+extern int gr_chroot_is_capable_nolog(const int cap); -+extern int gr_task_chroot_is_capable(const struct task_struct *task, const struct cred *cred, const int cap); -+extern int gr_task_chroot_is_capable_nolog(const struct task_struct *task, const int cap); -+#endif -+ -+const char *captab_log[] = { -+ "CAP_CHOWN", -+ "CAP_DAC_OVERRIDE", -+ "CAP_DAC_READ_SEARCH", -+ "CAP_FOWNER", -+ "CAP_FSETID", -+ "CAP_KILL", -+ "CAP_SETGID", -+ "CAP_SETUID", -+ "CAP_SETPCAP", -+ "CAP_LINUX_IMMUTABLE", -+ "CAP_NET_BIND_SERVICE", -+ "CAP_NET_BROADCAST", -+ "CAP_NET_ADMIN", -+ "CAP_NET_RAW", -+ "CAP_IPC_LOCK", -+ "CAP_IPC_OWNER", -+ "CAP_SYS_MODULE", -+ "CAP_SYS_RAWIO", -+ "CAP_SYS_CHROOT", -+ "CAP_SYS_PTRACE", -+ "CAP_SYS_PACCT", -+ "CAP_SYS_ADMIN", -+ "CAP_SYS_BOOT", -+ "CAP_SYS_NICE", -+ "CAP_SYS_RESOURCE", -+ "CAP_SYS_TIME", -+ "CAP_SYS_TTY_CONFIG", -+ "CAP_MKNOD", -+ "CAP_LEASE", -+ "CAP_AUDIT_WRITE", -+ "CAP_AUDIT_CONTROL", -+ "CAP_SETFCAP", -+ "CAP_MAC_OVERRIDE", -+ "CAP_MAC_ADMIN", -+ "CAP_SYSLOG", -+ "CAP_WAKE_ALARM", -+ "CAP_BLOCK_SUSPEND", -+ "CAP_AUDIT_READ" -+}; -+ -+int captab_log_entries = sizeof(captab_log)/sizeof(captab_log[0]); -+ -+int gr_is_capable(const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (gr_acl_is_capable(cap) && gr_chroot_is_capable(cap)) -+ return 1; -+ return 0; -+#else -+ return 1; -+#endif -+} -+ -+int gr_task_is_capable(const struct task_struct *task, const struct cred *cred, const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (gr_task_acl_is_capable(task, cred, cap) && gr_task_chroot_is_capable(task, cred, cap)) -+ return 1; -+ return 0; -+#else -+ return 1; -+#endif -+} -+ -+int gr_is_capable_nolog(const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (gr_acl_is_capable_nolog(cap) && gr_chroot_is_capable_nolog(cap)) -+ return 1; -+ return 0; -+#else -+ return 1; -+#endif -+} -+ -+int gr_task_is_capable_nolog(const struct task_struct *task, const int cap) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (gr_task_acl_is_capable_nolog(task, cap) && gr_task_chroot_is_capable_nolog(task, cap)) -+ return 1; -+ return 0; -+#else -+ return 1; -+#endif -+} -+ -+EXPORT_SYMBOL_GPL(gr_is_capable); -+EXPORT_SYMBOL_GPL(gr_is_capable_nolog); -+EXPORT_SYMBOL_GPL(gr_task_is_capable); -+EXPORT_SYMBOL_GPL(gr_task_is_capable_nolog); -diff --git a/grsecurity/grsec_fifo.c b/grsecurity/grsec_fifo.c -new file mode 100644 -index 0000000..cdec49b ---- /dev/null -+++ b/grsecurity/grsec_fifo.c -@@ -0,0 +1,26 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/grinternal.h> -+ -+int -+gr_handle_fifo(const struct dentry *dentry, const struct vfsmount *mnt, -+ const struct dentry *dir, const int flag, const int acc_mode) -+{ -+#ifdef CONFIG_GRKERNSEC_FIFO -+ const struct cred *cred = current_cred(); -+ struct inode *inode = d_backing_inode(dentry); -+ struct inode *dir_inode = d_backing_inode(dir); -+ -+ if (grsec_enable_fifo && S_ISFIFO(inode->i_mode) && -+ !(flag & O_EXCL) && (dir_inode->i_mode & S_ISVTX) && -+ !uid_eq(inode->i_uid, dir_inode->i_uid) && -+ !uid_eq(cred->fsuid, inode->i_uid)) { -+ if (!inode_permission(inode, acc_mode)) -+ gr_log_fs_int2(GR_DONT_AUDIT, GR_FIFO_MSG, dentry, mnt, GR_GLOBAL_UID(inode->i_uid), GR_GLOBAL_GID(inode->i_gid)); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_fork.c b/grsecurity/grsec_fork.c -new file mode 100644 -index 0000000..8ca18bf ---- /dev/null -+++ b/grsecurity/grsec_fork.c -@@ -0,0 +1,23 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/errno.h> -+ -+void -+gr_log_forkfail(const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_FORKFAIL -+ if (grsec_enable_forkfail && (retval == -EAGAIN || retval == -ENOMEM)) { -+ switch (retval) { -+ case -EAGAIN: -+ gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "EAGAIN"); -+ break; -+ case -ENOMEM: -+ gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "ENOMEM"); -+ break; -+ } -+ } -+#endif -+ return; -+} -diff --git a/grsecurity/grsec_init.c b/grsecurity/grsec_init.c -new file mode 100644 -index 0000000..a364c58 ---- /dev/null -+++ b/grsecurity/grsec_init.c -@@ -0,0 +1,290 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/gracl.h> -+#include <linux/slab.h> -+#include <linux/vmalloc.h> -+#include <linux/percpu.h> -+#include <linux/module.h> -+ -+int grsec_enable_ptrace_readexec __read_only; -+int grsec_enable_setxid __read_only; -+int grsec_enable_symlinkown __read_only; -+kgid_t grsec_symlinkown_gid __read_only; -+int grsec_enable_brute __read_only; -+int grsec_enable_link __read_only; -+int grsec_enable_dmesg __read_only; -+int grsec_enable_harden_ptrace __read_only; -+int grsec_enable_harden_ipc __read_only; -+int grsec_enable_fifo __read_only; -+int grsec_enable_execlog __read_only; -+int grsec_enable_signal __read_only; -+int grsec_enable_forkfail __read_only; -+int grsec_enable_audit_ptrace __read_only; -+int grsec_enable_time __read_only; -+int grsec_enable_group __read_only; -+kgid_t grsec_audit_gid __read_only; -+int grsec_enable_chdir __read_only; -+int grsec_enable_mount __read_only; -+int grsec_enable_rofs __read_only; -+int grsec_deny_new_usb __read_only; -+int grsec_enable_chroot_findtask __read_only; -+int grsec_enable_chroot_mount __read_only; -+int grsec_enable_chroot_shmat __read_only; -+int grsec_enable_chroot_fchdir __read_only; -+int grsec_enable_chroot_double __read_only; -+int grsec_enable_chroot_pivot __read_only; -+int grsec_enable_chroot_chdir __read_only; -+int grsec_enable_chroot_chmod __read_only; -+int grsec_enable_chroot_mknod __read_only; -+int grsec_enable_chroot_nice __read_only; -+int grsec_enable_chroot_execlog __read_only; -+int grsec_enable_chroot_caps __read_only; -+int grsec_enable_chroot_rename __read_only; -+int grsec_enable_chroot_sysctl __read_only; -+int grsec_enable_chroot_unix __read_only; -+int grsec_enable_tpe __read_only; -+kgid_t grsec_tpe_gid __read_only; -+int grsec_enable_blackhole __read_only; -+#ifdef CONFIG_IPV6_MODULE -+EXPORT_SYMBOL_GPL(grsec_enable_blackhole); -+#endif -+int grsec_lastack_retries __read_only; -+int grsec_enable_tpe_all __read_only; -+int grsec_enable_tpe_invert __read_only; -+int grsec_enable_socket_all __read_only; -+kgid_t grsec_socket_all_gid __read_only; -+int grsec_enable_socket_client __read_only; -+kgid_t grsec_socket_client_gid __read_only; -+int grsec_enable_socket_server __read_only; -+kgid_t grsec_socket_server_gid __read_only; -+int grsec_resource_logging __read_only; -+int grsec_disable_privio __read_only; -+int grsec_enable_log_rwxmaps __read_only; -+int grsec_lock __read_only; -+ -+DEFINE_SPINLOCK(grsec_alert_lock); -+unsigned long grsec_alert_wtime = 0; -+unsigned long grsec_alert_fyet = 0; -+ -+DEFINE_SPINLOCK(grsec_audit_lock); -+ -+DEFINE_RWLOCK(grsec_exec_file_lock); -+ -+char *gr_shared_page[4]; -+ -+char *gr_alert_log_fmt; -+char *gr_audit_log_fmt; -+char *gr_alert_log_buf; -+char *gr_audit_log_buf; -+ -+extern struct gr_arg *gr_usermode; -+extern unsigned char *gr_system_salt; -+extern unsigned char *gr_system_sum; -+ -+void __init -+grsecurity_init(void) -+{ -+ int j; -+ /* create the per-cpu shared pages */ -+ -+#ifdef CONFIG_X86 -+ memset((char *)(0x41a + PAGE_OFFSET), 0, 36); -+#endif -+ -+ for (j = 0; j < 4; j++) { -+ gr_shared_page[j] = (char *)__alloc_percpu(PAGE_SIZE, __alignof__(unsigned long long)); -+ if (gr_shared_page[j] == NULL) { -+ panic("Unable to allocate grsecurity shared page"); -+ return; -+ } -+ } -+ -+ /* allocate log buffers */ -+ gr_alert_log_fmt = kmalloc(512, GFP_KERNEL); -+ if (!gr_alert_log_fmt) { -+ panic("Unable to allocate grsecurity alert log format buffer"); -+ return; -+ } -+ gr_audit_log_fmt = kmalloc(512, GFP_KERNEL); -+ if (!gr_audit_log_fmt) { -+ panic("Unable to allocate grsecurity audit log format buffer"); -+ return; -+ } -+ gr_alert_log_buf = (char *) get_zeroed_page(GFP_KERNEL); -+ if (!gr_alert_log_buf) { -+ panic("Unable to allocate grsecurity alert log buffer"); -+ return; -+ } -+ gr_audit_log_buf = (char *) get_zeroed_page(GFP_KERNEL); -+ if (!gr_audit_log_buf) { -+ panic("Unable to allocate grsecurity audit log buffer"); -+ return; -+ } -+ -+ /* allocate memory for authentication structure */ -+ gr_usermode = kmalloc(sizeof(struct gr_arg), GFP_KERNEL); -+ gr_system_salt = kmalloc(GR_SALT_LEN, GFP_KERNEL); -+ gr_system_sum = kmalloc(GR_SHA_LEN, GFP_KERNEL); -+ -+ if (!gr_usermode || !gr_system_salt || !gr_system_sum) { -+ panic("Unable to allocate grsecurity authentication structure"); -+ return; -+ } -+ -+#ifdef CONFIG_GRKERNSEC_IO -+#if !defined(CONFIG_GRKERNSEC_SYSCTL_DISTRO) -+ grsec_disable_privio = 1; -+#elif defined(CONFIG_GRKERNSEC_SYSCTL_ON) -+ grsec_disable_privio = 1; -+#else -+ grsec_disable_privio = 0; -+#endif -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_TPE_INVERT -+ /* for backward compatibility, tpe_invert always defaults to on if -+ enabled in the kernel -+ */ -+ grsec_enable_tpe_invert = 1; -+#endif -+ -+#if !defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_SYSCTL_ON) -+#ifndef CONFIG_GRKERNSEC_SYSCTL -+ grsec_lock = 1; -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ grsec_enable_log_rwxmaps = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP -+ grsec_enable_group = 1; -+ grsec_audit_gid = KGIDT_INIT(CONFIG_GRKERNSEC_AUDIT_GID); -+#endif -+#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC -+ grsec_enable_ptrace_readexec = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR -+ grsec_enable_chdir = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ grsec_enable_harden_ptrace = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_HARDEN_IPC -+ grsec_enable_harden_ipc = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ grsec_enable_mount = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_LINK -+ grsec_enable_link = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ grsec_enable_brute = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_DMESG -+ grsec_enable_dmesg = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ grsec_enable_blackhole = 1; -+ grsec_lastack_retries = 4; -+#endif -+#ifdef CONFIG_GRKERNSEC_FIFO -+ grsec_enable_fifo = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+ grsec_enable_execlog = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_SETXID -+ grsec_enable_setxid = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_SIGNAL -+ grsec_enable_signal = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_FORKFAIL -+ grsec_enable_forkfail = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_TIME -+ grsec_enable_time = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_RESLOG -+ grsec_resource_logging = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ grsec_enable_chroot_findtask = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX -+ grsec_enable_chroot_unix = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT -+ grsec_enable_chroot_mount = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ grsec_enable_chroot_fchdir = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT -+ grsec_enable_chroot_shmat = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE -+ grsec_enable_audit_ptrace = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE -+ grsec_enable_chroot_double = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT -+ grsec_enable_chroot_pivot = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR -+ grsec_enable_chroot_chdir = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD -+ grsec_enable_chroot_chmod = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD -+ grsec_enable_chroot_mknod = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ grsec_enable_chroot_nice = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG -+ grsec_enable_chroot_execlog = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ grsec_enable_chroot_caps = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ grsec_enable_chroot_rename = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL -+ grsec_enable_chroot_sysctl = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_SYMLINKOWN -+ grsec_enable_symlinkown = 1; -+ grsec_symlinkown_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SYMLINKOWN_GID); -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE -+ grsec_enable_tpe = 1; -+ grsec_tpe_gid = KGIDT_INIT(CONFIG_GRKERNSEC_TPE_GID); -+#ifdef CONFIG_GRKERNSEC_TPE_ALL -+ grsec_enable_tpe_all = 1; -+#endif -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL -+ grsec_enable_socket_all = 1; -+ grsec_socket_all_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SOCKET_ALL_GID); -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT -+ grsec_enable_socket_client = 1; -+ grsec_socket_client_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SOCKET_CLIENT_GID); -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ grsec_enable_socket_server = 1; -+ grsec_socket_server_gid = KGIDT_INIT(CONFIG_GRKERNSEC_SOCKET_SERVER_GID); -+#endif -+#endif -+#ifdef CONFIG_GRKERNSEC_DENYUSB_FORCE -+ grsec_deny_new_usb = 1; -+#endif -+ -+ return; -+} -diff --git a/grsecurity/grsec_ipc.c b/grsecurity/grsec_ipc.c -new file mode 100644 -index 0000000..1773300 ---- /dev/null -+++ b/grsecurity/grsec_ipc.c -@@ -0,0 +1,48 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/ipc.h> -+#include <linux/ipc_namespace.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+int -+gr_ipc_permitted(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, int requested_mode, int granted_mode) -+{ -+#ifdef CONFIG_GRKERNSEC_HARDEN_IPC -+ int write; -+ int orig_granted_mode; -+ kuid_t euid; -+ kgid_t egid; -+ -+ if (!grsec_enable_harden_ipc) -+ return 1; -+ -+ euid = current_euid(); -+ egid = current_egid(); -+ -+ write = requested_mode & 00002; -+ orig_granted_mode = ipcp->mode; -+ -+ if (uid_eq(euid, ipcp->cuid) || uid_eq(euid, ipcp->uid)) -+ orig_granted_mode >>= 6; -+ else { -+ /* if likely wrong permissions, lock to user */ -+ if (orig_granted_mode & 0007) -+ orig_granted_mode = 0; -+ /* otherwise do a egid-only check */ -+ else if (gid_eq(egid, ipcp->cgid) || gid_eq(egid, ipcp->gid)) -+ orig_granted_mode >>= 3; -+ /* otherwise, no access */ -+ else -+ orig_granted_mode = 0; -+ } -+ if (!(requested_mode & ~granted_mode & 0007) && (requested_mode & ~orig_granted_mode & 0007) && -+ !ns_capable_nolog(ns->user_ns, CAP_IPC_OWNER)) { -+ gr_log_str_int(GR_DONT_AUDIT, GR_IPC_DENIED_MSG, write ? "write" : "read", GR_GLOBAL_UID(ipcp->cuid)); -+ return 0; -+ } -+#endif -+ return 1; -+} -diff --git a/grsecurity/grsec_link.c b/grsecurity/grsec_link.c -new file mode 100644 -index 0000000..8ef2b75 ---- /dev/null -+++ b/grsecurity/grsec_link.c -@@ -0,0 +1,59 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/grinternal.h> -+ -+int gr_handle_symlink_owner(const struct path *link, const struct inode *target) -+{ -+#ifdef CONFIG_GRKERNSEC_SYMLINKOWN -+ const struct inode *link_inode = d_backing_inode(link->dentry); -+ -+ if (grsec_enable_symlinkown && in_group_p(grsec_symlinkown_gid) && -+ /* ignore root-owned links, e.g. /proc/self */ -+ gr_is_global_nonroot(link_inode->i_uid) && target && -+ !uid_eq(link_inode->i_uid, target->i_uid)) { -+ gr_log_fs_int2(GR_DONT_AUDIT, GR_SYMLINKOWNER_MSG, link->dentry, link->mnt, link_inode->i_uid, target->i_uid); -+ return 1; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_follow_link(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_LINK -+ struct inode *inode = d_backing_inode(dentry); -+ struct inode *parent = d_backing_inode(dentry->d_parent); -+ const struct cred *cred = current_cred(); -+ -+ if (grsec_enable_link && d_is_symlink(dentry) && -+ (parent->i_mode & S_ISVTX) && !uid_eq(parent->i_uid, inode->i_uid) && -+ (parent->i_mode & S_IWOTH) && !uid_eq(cred->fsuid, inode->i_uid)) { -+ gr_log_fs_int2(GR_DONT_AUDIT, GR_SYMLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_hardlink(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const struct filename *to) -+{ -+#ifdef CONFIG_GRKERNSEC_LINK -+ struct inode *inode = d_backing_inode(dentry); -+ const struct cred *cred = current_cred(); -+ -+ if (grsec_enable_link && !uid_eq(cred->fsuid, inode->i_uid) && -+ (!d_is_reg(dentry) || is_privileged_binary(dentry) || -+ (inode_permission(inode, MAY_READ | MAY_WRITE))) && -+ !capable(CAP_FOWNER) && gr_is_global_nonroot(cred->uid)) { -+ gr_log_fs_int2_str(GR_DONT_AUDIT, GR_HARDLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid, to->name); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_log.c b/grsecurity/grsec_log.c -new file mode 100644 -index 0000000..dbe0a6b ---- /dev/null -+++ b/grsecurity/grsec_log.c -@@ -0,0 +1,341 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/tty.h> -+#include <linux/fs.h> -+#include <linux/mm.h> -+#include <linux/grinternal.h> -+ -+#ifdef CONFIG_TREE_PREEMPT_RCU -+#define DISABLE_PREEMPT() preempt_disable() -+#define ENABLE_PREEMPT() preempt_enable() -+#else -+#define DISABLE_PREEMPT() -+#define ENABLE_PREEMPT() -+#endif -+ -+#define BEGIN_LOCKS(x) \ -+ DISABLE_PREEMPT(); \ -+ rcu_read_lock(); \ -+ read_lock(&tasklist_lock); \ -+ read_lock(&grsec_exec_file_lock); \ -+ if (x != GR_DO_AUDIT) \ -+ spin_lock(&grsec_alert_lock); \ -+ else \ -+ spin_lock(&grsec_audit_lock) -+ -+#define END_LOCKS(x) \ -+ if (x != GR_DO_AUDIT) \ -+ spin_unlock(&grsec_alert_lock); \ -+ else \ -+ spin_unlock(&grsec_audit_lock); \ -+ read_unlock(&grsec_exec_file_lock); \ -+ read_unlock(&tasklist_lock); \ -+ rcu_read_unlock(); \ -+ ENABLE_PREEMPT(); \ -+ if (x == GR_DONT_AUDIT) \ -+ gr_handle_alertkill(current) -+ -+enum { -+ FLOODING, -+ NO_FLOODING -+}; -+ -+extern char *gr_alert_log_fmt; -+extern char *gr_audit_log_fmt; -+extern char *gr_alert_log_buf; -+extern char *gr_audit_log_buf; -+ -+static int gr_log_start(int audit) -+{ -+ char *loglevel = (audit == GR_DO_AUDIT) ? KERN_INFO : KERN_ALERT; -+ char *fmt = (audit == GR_DO_AUDIT) ? gr_audit_log_fmt : gr_alert_log_fmt; -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+#if (CONFIG_GRKERNSEC_FLOODTIME > 0 && CONFIG_GRKERNSEC_FLOODBURST > 0) -+ unsigned long curr_secs = get_seconds(); -+ -+ if (audit == GR_DO_AUDIT) -+ goto set_fmt; -+ -+ if (!grsec_alert_wtime || time_after(curr_secs, grsec_alert_wtime + CONFIG_GRKERNSEC_FLOODTIME)) { -+ grsec_alert_wtime = curr_secs; -+ grsec_alert_fyet = 0; -+ } else if (time_before_eq(curr_secs, grsec_alert_wtime + CONFIG_GRKERNSEC_FLOODTIME) -+ && (grsec_alert_fyet < CONFIG_GRKERNSEC_FLOODBURST)) { -+ grsec_alert_fyet++; -+ } else if (grsec_alert_fyet == CONFIG_GRKERNSEC_FLOODBURST) { -+ grsec_alert_wtime = curr_secs; -+ grsec_alert_fyet++; -+ printk(KERN_ALERT "grsec: more alerts, logging disabled for %d seconds\n", CONFIG_GRKERNSEC_FLOODTIME); -+ return FLOODING; -+ } -+ else return FLOODING; -+ -+set_fmt: -+#endif -+ memset(buf, 0, PAGE_SIZE); -+ if (current->signal->curr_ip && gr_acl_is_enabled()) { -+ sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: (%.64s:%c:%.950s) "); -+ snprintf(buf, PAGE_SIZE - 1, fmt, &current->signal->curr_ip, current->role->rolename, gr_roletype_to_char(), current->acl->filename); -+ } else if (current->signal->curr_ip) { -+ sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: "); -+ snprintf(buf, PAGE_SIZE - 1, fmt, &current->signal->curr_ip); -+ } else if (gr_acl_is_enabled()) { -+ sprintf(fmt, "%s%s", loglevel, "grsec: (%.64s:%c:%.950s) "); -+ snprintf(buf, PAGE_SIZE - 1, fmt, current->role->rolename, gr_roletype_to_char(), current->acl->filename); -+ } else { -+ sprintf(fmt, "%s%s", loglevel, "grsec: "); -+ strcpy(buf, fmt); -+ } -+ -+ return NO_FLOODING; -+} -+ -+static void gr_log_middle(int audit, const char *msg, va_list ap) -+ __attribute__ ((format (printf, 2, 0))); -+ -+static void gr_log_middle(int audit, const char *msg, va_list ap) -+{ -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+ unsigned int len = strlen(buf); -+ -+ vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap); -+ -+ return; -+} -+ -+static void gr_log_middle_varargs(int audit, const char *msg, ...) -+ __attribute__ ((format (printf, 2, 3))); -+ -+static void gr_log_middle_varargs(int audit, const char *msg, ...) -+{ -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+ unsigned int len = strlen(buf); -+ va_list ap; -+ -+ va_start(ap, msg); -+ vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap); -+ va_end(ap); -+ -+ return; -+} -+ -+static void gr_log_end(int audit, int append_default) -+{ -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+ if (append_default) { -+ struct task_struct *task = current; -+ struct task_struct *parent = task->real_parent; -+ const struct cred *cred = __task_cred(task); -+ const struct cred *pcred = __task_cred(parent); -+ unsigned int len = strlen(buf); -+ -+ snprintf(buf + len, PAGE_SIZE - len - 1, DEFAULTSECMSG, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid)); -+ } -+ -+ printk("%s\n", buf); -+ -+ return; -+} -+ -+void gr_log_varargs(int audit, const char *msg, int argtypes, ...) -+{ -+ int logtype; -+ char *result = (audit == GR_DO_AUDIT) ? "successful" : "denied"; -+ char *str1 = NULL, *str2 = NULL, *str3 = NULL; -+ void *voidptr = NULL; -+ int num1 = 0, num2 = 0; -+ unsigned long ulong1 = 0, ulong2 = 0; -+ struct dentry *dentry = NULL; -+ struct vfsmount *mnt = NULL; -+ struct file *file = NULL; -+ struct task_struct *task = NULL; -+ struct vm_area_struct *vma = NULL; -+ const struct cred *cred, *pcred; -+ va_list ap; -+ -+ BEGIN_LOCKS(audit); -+ logtype = gr_log_start(audit); -+ if (logtype == FLOODING) { -+ END_LOCKS(audit); -+ return; -+ } -+ va_start(ap, argtypes); -+ switch (argtypes) { -+ case GR_TTYSNIFF: -+ task = va_arg(ap, struct task_struct *); -+ gr_log_middle_varargs(audit, msg, &task->signal->curr_ip, gr_task_fullpath0(task), task->comm, task_pid_nr(task), gr_parent_task_fullpath0(task), task->real_parent->comm, task_pid_nr(task->real_parent)); -+ break; -+ case GR_SYSCTL_HIDDEN: -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, str1); -+ break; -+ case GR_RBAC: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_RBAC_STR: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1); -+ break; -+ case GR_STR_RBAC: -+ str1 = va_arg(ap, char *); -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, result, str1, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_RBAC_MODE2: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ str2 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2); -+ break; -+ case GR_RBAC_MODE3: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ str2 = va_arg(ap, char *); -+ str3 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2, str3); -+ break; -+ case GR_FILENAME: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_STR_FILENAME: -+ str1 = va_arg(ap, char *); -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, str1, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_FILENAME_STR: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), str1); -+ break; -+ case GR_FILENAME_TWO_INT: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ num1 = va_arg(ap, int); -+ num2 = va_arg(ap, int); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2); -+ break; -+ case GR_FILENAME_TWO_INT_STR: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ num1 = va_arg(ap, int); -+ num2 = va_arg(ap, int); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2, str1); -+ break; -+ case GR_TEXTREL: -+ file = va_arg(ap, struct file *); -+ ulong1 = va_arg(ap, unsigned long); -+ ulong2 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>", ulong1, ulong2); -+ break; -+ case GR_PTRACE: -+ task = va_arg(ap, struct task_struct *); -+ gr_log_middle_varargs(audit, msg, task->exec_file ? gr_to_filename(task->exec_file->f_path.dentry, task->exec_file->f_path.mnt) : "(none)", task->comm, task_pid_nr(task)); -+ break; -+ case GR_RESOURCE: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ ulong1 = va_arg(ap, unsigned long); -+ str1 = va_arg(ap, char *); -+ ulong2 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, ulong1, str1, ulong2, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid)); -+ break; -+ case GR_CAP: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, str1, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid)); -+ break; -+ case GR_SIG: -+ str1 = va_arg(ap, char *); -+ voidptr = va_arg(ap, void *); -+ gr_log_middle_varargs(audit, msg, str1, voidptr); -+ break; -+ case GR_SIG2: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ num1 = va_arg(ap, int); -+ gr_log_middle_varargs(audit, msg, num1, gr_task_fullpath0(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath0(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid)); -+ break; -+ case GR_CRASH1: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ ulong1 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid), GR_GLOBAL_UID(cred->uid), ulong1); -+ break; -+ case GR_CRASH2: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ ulong1 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task_pid_nr(task), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid), ulong1); -+ break; -+ case GR_RWXMAP: -+ file = va_arg(ap, struct file *); -+ gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>"); -+ break; -+ case GR_RWXMAPVMA: -+ vma = va_arg(ap, struct vm_area_struct *); -+ if (vma->vm_file) -+ str1 = gr_to_filename(vma->vm_file->f_path.dentry, vma->vm_file->f_path.mnt); -+ else if (vma->vm_flags & (VM_GROWSDOWN | VM_GROWSUP)) -+ str1 = "<stack>"; -+ else if (vma->vm_start <= current->mm->brk && -+ vma->vm_end >= current->mm->start_brk) -+ str1 = "<heap>"; -+ else -+ str1 = "<anonymous mapping>"; -+ gr_log_middle_varargs(audit, msg, str1); -+ break; -+ case GR_PSACCT: -+ { -+ unsigned int wday, cday; -+ __u8 whr, chr; -+ __u8 wmin, cmin; -+ __u8 wsec, csec; -+ char cur_tty[64] = { 0 }; -+ char parent_tty[64] = { 0 }; -+ -+ task = va_arg(ap, struct task_struct *); -+ wday = va_arg(ap, unsigned int); -+ cday = va_arg(ap, unsigned int); -+ whr = va_arg(ap, int); -+ chr = va_arg(ap, int); -+ wmin = va_arg(ap, int); -+ cmin = va_arg(ap, int); -+ wsec = va_arg(ap, int); -+ csec = va_arg(ap, int); -+ ulong1 = va_arg(ap, unsigned long); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ -+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task_pid_nr(task), &task->signal->curr_ip, tty_name(task->signal->tty, cur_tty), GR_GLOBAL_UID(cred->uid), GR_GLOBAL_UID(cred->euid), GR_GLOBAL_GID(cred->gid), GR_GLOBAL_GID(cred->egid), wday, whr, wmin, wsec, cday, chr, cmin, csec, (task->flags & PF_SIGNALED) ? "killed by signal" : "exited", ulong1, gr_parent_task_fullpath(task), task->real_parent->comm, task_pid_nr(task->real_parent), &task->real_parent->signal->curr_ip, tty_name(task->real_parent->signal->tty, parent_tty), GR_GLOBAL_UID(pcred->uid), GR_GLOBAL_UID(pcred->euid), GR_GLOBAL_GID(pcred->gid), GR_GLOBAL_GID(pcred->egid)); -+ } -+ break; -+ default: -+ gr_log_middle(audit, msg, ap); -+ } -+ va_end(ap); -+ // these don't need DEFAULTSECARGS printed on the end -+ if (argtypes == GR_CRASH1 || argtypes == GR_CRASH2) -+ gr_log_end(audit, 0); -+ else -+ gr_log_end(audit, 1); -+ END_LOCKS(audit); -+} -diff --git a/grsecurity/grsec_mem.c b/grsecurity/grsec_mem.c -new file mode 100644 -index 0000000..0e39d8c7 ---- /dev/null -+++ b/grsecurity/grsec_mem.c -@@ -0,0 +1,48 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/mman.h> -+#include <linux/module.h> -+#include <linux/grinternal.h> -+ -+void gr_handle_msr_write(void) -+{ -+ gr_log_noargs(GR_DONT_AUDIT, GR_MSRWRITE_MSG); -+ return; -+} -+EXPORT_SYMBOL_GPL(gr_handle_msr_write); -+ -+void -+gr_handle_ioperm(void) -+{ -+ gr_log_noargs(GR_DONT_AUDIT, GR_IOPERM_MSG); -+ return; -+} -+ -+void -+gr_handle_iopl(void) -+{ -+ gr_log_noargs(GR_DONT_AUDIT, GR_IOPL_MSG); -+ return; -+} -+ -+void -+gr_handle_mem_readwrite(u64 from, u64 to) -+{ -+ gr_log_two_u64(GR_DONT_AUDIT, GR_MEM_READWRITE_MSG, from, to); -+ return; -+} -+ -+void -+gr_handle_vm86(void) -+{ -+ gr_log_noargs(GR_DONT_AUDIT, GR_VM86_MSG); -+ return; -+} -+ -+void -+gr_log_badprocpid(const char *entry) -+{ -+ gr_log_str(GR_DONT_AUDIT, GR_BADPROCPID_MSG, entry); -+ return; -+} -diff --git a/grsecurity/grsec_mount.c b/grsecurity/grsec_mount.c -new file mode 100644 -index 0000000..fe02bf4 ---- /dev/null -+++ b/grsecurity/grsec_mount.c -@@ -0,0 +1,65 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mount.h> -+#include <linux/major.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+void -+gr_log_remount(const char *devname, const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ if (grsec_enable_mount && (retval >= 0)) -+ gr_log_str(GR_DO_AUDIT, GR_REMOUNT_AUDIT_MSG, devname ? devname : "none"); -+#endif -+ return; -+} -+ -+void -+gr_log_unmount(const char *devname, const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ if (grsec_enable_mount && (retval >= 0)) -+ gr_log_str(GR_DO_AUDIT, GR_UNMOUNT_AUDIT_MSG, devname ? devname : "none"); -+#endif -+ return; -+} -+ -+void -+gr_log_mount(const char *from, struct path *to, const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ if (grsec_enable_mount && (retval >= 0)) -+ gr_log_str_fs(GR_DO_AUDIT, GR_MOUNT_AUDIT_MSG, from ? from : "none", to->dentry, to->mnt); -+#endif -+ return; -+} -+ -+int -+gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags) -+{ -+#ifdef CONFIG_GRKERNSEC_ROFS -+ if (grsec_enable_rofs && !(mnt_flags & MNT_READONLY)) { -+ gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_MOUNT_MSG, dentry, mnt); -+ return -EPERM; -+ } else -+ return 0; -+#endif -+ return 0; -+} -+ -+int -+gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode) -+{ -+#ifdef CONFIG_GRKERNSEC_ROFS -+ struct inode *inode = d_backing_inode(dentry); -+ -+ if (grsec_enable_rofs && (acc_mode & MAY_WRITE) && -+ inode && (S_ISBLK(inode->i_mode) || (S_ISCHR(inode->i_mode) && imajor(inode) == RAW_MAJOR))) { -+ gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_BLOCKWRITE_MSG, dentry, mnt); -+ return -EPERM; -+ } else -+ return 0; -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_pax.c b/grsecurity/grsec_pax.c -new file mode 100644 -index 0000000..6ee9d50 ---- /dev/null -+++ b/grsecurity/grsec_pax.c -@@ -0,0 +1,45 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/file.h> -+#include <linux/grinternal.h> -+#include <linux/grsecurity.h> -+ -+void -+gr_log_textrel(struct vm_area_struct * vma) -+{ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (grsec_enable_log_rwxmaps) -+ gr_log_textrel_ulong_ulong(GR_DONT_AUDIT, GR_TEXTREL_AUDIT_MSG, vma->vm_file, vma->vm_start, vma->vm_pgoff); -+#endif -+ return; -+} -+ -+void gr_log_ptgnustack(struct file *file) -+{ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (grsec_enable_log_rwxmaps) -+ gr_log_rwxmap(GR_DONT_AUDIT, GR_PTGNUSTACK_MSG, file); -+#endif -+ return; -+} -+ -+void -+gr_log_rwxmmap(struct file *file) -+{ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (grsec_enable_log_rwxmaps) -+ gr_log_rwxmap(GR_DONT_AUDIT, GR_RWXMMAP_MSG, file); -+#endif -+ return; -+} -+ -+void -+gr_log_rwxmprotect(struct vm_area_struct *vma) -+{ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (grsec_enable_log_rwxmaps) -+ gr_log_rwxmap_vma(GR_DONT_AUDIT, GR_RWXMPROTECT_MSG, vma); -+#endif -+ return; -+} -diff --git a/grsecurity/grsec_proc.c b/grsecurity/grsec_proc.c -new file mode 100644 -index 0000000..2005a3a ---- /dev/null -+++ b/grsecurity/grsec_proc.c -@@ -0,0 +1,20 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+int gr_proc_is_restricted(void) -+{ -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ const struct cred *cred = current_cred(); -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ if (!uid_eq(cred->fsuid, GLOBAL_ROOT_UID)) -+ return -EACCES; -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (!uid_eq(cred->fsuid, GLOBAL_ROOT_UID) && !in_group_p(grsec_proc_gid)) -+ return -EACCES; -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_ptrace.c b/grsecurity/grsec_ptrace.c -new file mode 100644 -index 0000000..304c518 ---- /dev/null -+++ b/grsecurity/grsec_ptrace.c -@@ -0,0 +1,30 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/grinternal.h> -+#include <linux/security.h> -+ -+void -+gr_audit_ptrace(struct task_struct *task) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE -+ if (grsec_enable_audit_ptrace) -+ gr_log_ptrace(GR_DO_AUDIT, GR_PTRACE_AUDIT_MSG, task); -+#endif -+ return; -+} -+ -+int -+gr_ptrace_readexec(struct file *file, int unsafe_flags) -+{ -+#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC -+ const struct dentry *dentry = file->f_path.dentry; -+ const struct vfsmount *mnt = file->f_path.mnt; -+ -+ if (grsec_enable_ptrace_readexec && (unsafe_flags & LSM_UNSAFE_PTRACE) && -+ (inode_permission(d_backing_inode(dentry), MAY_READ) || !gr_acl_handle_open(dentry, mnt, MAY_READ))) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_PTRACE_READEXEC_MSG, dentry, mnt); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_sig.c b/grsecurity/grsec_sig.c -new file mode 100644 -index 0000000..3860c7e ---- /dev/null -+++ b/grsecurity/grsec_sig.c -@@ -0,0 +1,236 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/fs.h> -+#include <linux/delay.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/hardirq.h> -+ -+char *signames[] = { -+ [SIGSEGV] = "Segmentation fault", -+ [SIGILL] = "Illegal instruction", -+ [SIGABRT] = "Abort", -+ [SIGBUS] = "Invalid alignment/Bus error" -+}; -+ -+void -+gr_log_signal(const int sig, const void *addr, const struct task_struct *t) -+{ -+#ifdef CONFIG_GRKERNSEC_SIGNAL -+ if (grsec_enable_signal && ((sig == SIGSEGV) || (sig == SIGILL) || -+ (sig == SIGABRT) || (sig == SIGBUS))) { -+ if (task_pid_nr(t) == task_pid_nr(current)) { -+ gr_log_sig_addr(GR_DONT_AUDIT_GOOD, GR_UNISIGLOG_MSG, signames[sig], addr); -+ } else { -+ gr_log_sig_task(GR_DONT_AUDIT_GOOD, GR_DUALSIGLOG_MSG, t, sig); -+ } -+ } -+#endif -+ return; -+} -+ -+int -+gr_handle_signal(const struct task_struct *p, const int sig) -+{ -+#ifdef CONFIG_GRKERNSEC -+ /* ignore the 0 signal for protected task checks */ -+ if (task_pid_nr(current) > 1 && sig && gr_check_protected_task(p)) { -+ gr_log_sig_task(GR_DONT_AUDIT, GR_SIG_ACL_MSG, p, sig); -+ return -EPERM; -+ } else if (gr_pid_is_chrooted((struct task_struct *)p)) { -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+#ifdef CONFIG_GRKERNSEC -+extern int specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t); -+ -+int gr_fake_force_sig(int sig, struct task_struct *t) -+{ -+ unsigned long int flags; -+ int ret, blocked, ignored; -+ struct k_sigaction *action; -+ -+ spin_lock_irqsave(&t->sighand->siglock, flags); -+ action = &t->sighand->action[sig-1]; -+ ignored = action->sa.sa_handler == SIG_IGN; -+ blocked = sigismember(&t->blocked, sig); -+ if (blocked || ignored) { -+ action->sa.sa_handler = SIG_DFL; -+ if (blocked) { -+ sigdelset(&t->blocked, sig); -+ recalc_sigpending_and_wake(t); -+ } -+ } -+ if (action->sa.sa_handler == SIG_DFL) -+ t->signal->flags &= ~SIGNAL_UNKILLABLE; -+ ret = specific_send_sig_info(sig, SEND_SIG_PRIV, t); -+ -+ spin_unlock_irqrestore(&t->sighand->siglock, flags); -+ -+ return ret; -+} -+#endif -+ -+#define GR_USER_BAN_TIME (15 * 60) -+#define GR_DAEMON_BRUTE_TIME (30 * 60) -+ -+void gr_handle_brute_attach(int dumpable) -+{ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ struct task_struct *p = current; -+ kuid_t uid = GLOBAL_ROOT_UID; -+ int daemon = 0; -+ -+ if (!grsec_enable_brute) -+ return; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ if (p->real_parent && gr_is_same_file(p->real_parent->exec_file, p->exec_file)) { -+ p->real_parent->brute_expires = get_seconds() + GR_DAEMON_BRUTE_TIME; -+ p->real_parent->brute = 1; -+ daemon = 1; -+ } else { -+ const struct cred *cred = __task_cred(p), *cred2; -+ struct task_struct *tsk, *tsk2; -+ -+ if (dumpable != SUID_DUMP_USER && gr_is_global_nonroot(cred->uid)) { -+ struct user_struct *user; -+ -+ uid = cred->uid; -+ -+ /* this is put upon execution past expiration */ -+ user = find_user(uid); -+ if (user == NULL) -+ goto unlock; -+ user->suid_banned = 1; -+ user->suid_ban_expires = get_seconds() + GR_USER_BAN_TIME; -+ if (user->suid_ban_expires == ~0UL) -+ user->suid_ban_expires--; -+ -+ /* only kill other threads of the same binary, from the same user */ -+ do_each_thread(tsk2, tsk) { -+ cred2 = __task_cred(tsk); -+ if (tsk != p && uid_eq(cred2->uid, uid) && gr_is_same_file(tsk->exec_file, p->exec_file)) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } while_each_thread(tsk2, tsk); -+ } -+ } -+unlock: -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ if (gr_is_global_nonroot(uid)) -+ gr_log_fs_int2(GR_DONT_AUDIT, GR_BRUTE_SUID_MSG, p->exec_file->f_path.dentry, p->exec_file->f_path.mnt, GR_GLOBAL_UID(uid), GR_USER_BAN_TIME / 60); -+ else if (daemon) -+ gr_log_noargs(GR_DONT_AUDIT, GR_BRUTE_DAEMON_MSG); -+ -+#endif -+ return; -+} -+ -+void gr_handle_brute_check(void) -+{ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ struct task_struct *p = current; -+ -+ if (unlikely(p->brute)) { -+ if (!grsec_enable_brute) -+ p->brute = 0; -+ else if (time_before(get_seconds(), p->brute_expires)) -+ msleep(30 * 1000); -+ } -+#endif -+ return; -+} -+ -+void gr_handle_kernel_exploit(void) -+{ -+#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT -+ const struct cred *cred; -+ struct task_struct *tsk, *tsk2; -+ struct user_struct *user; -+ kuid_t uid; -+ -+ if (in_irq() || in_serving_softirq() || in_nmi()) -+ panic("grsec: halting the system due to suspicious kernel crash caused in interrupt context"); -+ -+ uid = current_uid(); -+ -+ if (gr_is_global_root(uid)) -+ panic("grsec: halting the system due to suspicious kernel crash caused by root"); -+ else { -+ /* kill all the processes of this user, hold a reference -+ to their creds struct, and prevent them from creating -+ another process until system reset -+ */ -+ printk(KERN_ALERT "grsec: banning user with uid %u until system restart for suspicious kernel crash\n", -+ GR_GLOBAL_UID(uid)); -+ /* we intentionally leak this ref */ -+ user = get_uid(current->cred->user); -+ if (user) -+ user->kernel_banned = 1; -+ -+ /* kill all processes of this user */ -+ read_lock(&tasklist_lock); -+ do_each_thread(tsk2, tsk) { -+ cred = __task_cred(tsk); -+ if (uid_eq(cred->uid, uid)) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } while_each_thread(tsk2, tsk); -+ read_unlock(&tasklist_lock); -+ } -+#endif -+} -+ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+static bool suid_ban_expired(struct user_struct *user) -+{ -+ if (user->suid_ban_expires != ~0UL && time_after_eq(get_seconds(), user->suid_ban_expires)) { -+ user->suid_banned = 0; -+ user->suid_ban_expires = 0; -+ free_uid(user); -+ return true; -+ } -+ -+ return false; -+} -+#endif -+ -+int gr_process_kernel_exec_ban(void) -+{ -+#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT -+ if (unlikely(current->cred->user->kernel_banned)) -+ return -EPERM; -+#endif -+ return 0; -+} -+ -+int gr_process_kernel_setuid_ban(struct user_struct *user) -+{ -+#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT -+ if (unlikely(user->kernel_banned)) -+ gr_fake_force_sig(SIGKILL, current); -+#endif -+ return 0; -+} -+ -+int gr_process_suid_exec_ban(const struct linux_binprm *bprm) -+{ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ struct user_struct *user = current->cred->user; -+ if (unlikely(user->suid_banned)) { -+ if (suid_ban_expired(user)) -+ return 0; -+ /* disallow execution of suid binaries only */ -+ else if (!uid_eq(bprm->cred->euid, current->cred->uid)) -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_sock.c b/grsecurity/grsec_sock.c -new file mode 100644 -index 0000000..a523bd2 ---- /dev/null -+++ b/grsecurity/grsec_sock.c -@@ -0,0 +1,244 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/ip.h> -+#include <net/sock.h> -+#include <net/inet_sock.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/gracl.h> -+ -+extern int gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb); -+extern int gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr); -+ -+EXPORT_SYMBOL_GPL(gr_search_udp_recvmsg); -+EXPORT_SYMBOL_GPL(gr_search_udp_sendmsg); -+ -+#ifdef CONFIG_UNIX_MODULE -+EXPORT_SYMBOL_GPL(gr_acl_handle_unix); -+EXPORT_SYMBOL_GPL(gr_acl_handle_mknod); -+EXPORT_SYMBOL_GPL(gr_handle_chroot_unix); -+EXPORT_SYMBOL_GPL(gr_handle_create); -+#endif -+ -+#ifdef CONFIG_GRKERNSEC -+#define gr_conn_table_size 32749 -+struct conn_table_entry { -+ struct conn_table_entry *next; -+ struct signal_struct *sig; -+}; -+ -+struct conn_table_entry *gr_conn_table[gr_conn_table_size]; -+DEFINE_SPINLOCK(gr_conn_table_lock); -+ -+extern const char * gr_socktype_to_name(unsigned char type); -+extern const char * gr_proto_to_name(unsigned char proto); -+extern const char * gr_sockfamily_to_name(unsigned char family); -+ -+static int -+conn_hash(__u32 saddr, __u32 daddr, __u16 sport, __u16 dport, unsigned int size) -+{ -+ return ((daddr + saddr + (sport << 8) + (dport << 16)) % size); -+} -+ -+static int -+conn_match(const struct signal_struct *sig, __u32 saddr, __u32 daddr, -+ __u16 sport, __u16 dport) -+{ -+ if (unlikely(sig->gr_saddr == saddr && sig->gr_daddr == daddr && -+ sig->gr_sport == sport && sig->gr_dport == dport)) -+ return 1; -+ else -+ return 0; -+} -+ -+static void gr_add_to_task_ip_table_nolock(struct signal_struct *sig, struct conn_table_entry *newent) -+{ -+ struct conn_table_entry **match; -+ unsigned int index; -+ -+ index = conn_hash(sig->gr_saddr, sig->gr_daddr, -+ sig->gr_sport, sig->gr_dport, -+ gr_conn_table_size); -+ -+ newent->sig = sig; -+ -+ match = &gr_conn_table[index]; -+ newent->next = *match; -+ *match = newent; -+ -+ return; -+} -+ -+static void gr_del_task_from_ip_table_nolock(struct signal_struct *sig) -+{ -+ struct conn_table_entry *match, *last = NULL; -+ unsigned int index; -+ -+ index = conn_hash(sig->gr_saddr, sig->gr_daddr, -+ sig->gr_sport, sig->gr_dport, -+ gr_conn_table_size); -+ -+ match = gr_conn_table[index]; -+ while (match && !conn_match(match->sig, -+ sig->gr_saddr, sig->gr_daddr, sig->gr_sport, -+ sig->gr_dport)) { -+ last = match; -+ match = match->next; -+ } -+ -+ if (match) { -+ if (last) -+ last->next = match->next; -+ else -+ gr_conn_table[index] = NULL; -+ kfree(match); -+ } -+ -+ return; -+} -+ -+static struct signal_struct * gr_lookup_task_ip_table(__u32 saddr, __u32 daddr, -+ __u16 sport, __u16 dport) -+{ -+ struct conn_table_entry *match; -+ unsigned int index; -+ -+ index = conn_hash(saddr, daddr, sport, dport, gr_conn_table_size); -+ -+ match = gr_conn_table[index]; -+ while (match && !conn_match(match->sig, saddr, daddr, sport, dport)) -+ match = match->next; -+ -+ if (match) -+ return match->sig; -+ else -+ return NULL; -+} -+ -+#endif -+ -+void gr_update_task_in_ip_table(const struct inet_sock *inet) -+{ -+#ifdef CONFIG_GRKERNSEC -+ struct signal_struct *sig = current->signal; -+ struct conn_table_entry *newent; -+ -+ newent = kmalloc(sizeof(struct conn_table_entry), GFP_ATOMIC); -+ if (newent == NULL) -+ return; -+ /* no bh lock needed since we are called with bh disabled */ -+ spin_lock(&gr_conn_table_lock); -+ gr_del_task_from_ip_table_nolock(sig); -+ sig->gr_saddr = inet->inet_rcv_saddr; -+ sig->gr_daddr = inet->inet_daddr; -+ sig->gr_sport = inet->inet_sport; -+ sig->gr_dport = inet->inet_dport; -+ gr_add_to_task_ip_table_nolock(sig, newent); -+ spin_unlock(&gr_conn_table_lock); -+#endif -+ return; -+} -+ -+void gr_del_task_from_ip_table(struct task_struct *task) -+{ -+#ifdef CONFIG_GRKERNSEC -+ spin_lock_bh(&gr_conn_table_lock); -+ gr_del_task_from_ip_table_nolock(task->signal); -+ spin_unlock_bh(&gr_conn_table_lock); -+#endif -+ return; -+} -+ -+void -+gr_attach_curr_ip(const struct sock *sk) -+{ -+#ifdef CONFIG_GRKERNSEC -+ struct signal_struct *p, *set; -+ const struct inet_sock *inet = inet_sk(sk); -+ -+ if (unlikely(sk->sk_protocol != IPPROTO_TCP)) -+ return; -+ -+ set = current->signal; -+ -+ spin_lock_bh(&gr_conn_table_lock); -+ p = gr_lookup_task_ip_table(inet->inet_daddr, inet->inet_rcv_saddr, -+ inet->inet_dport, inet->inet_sport); -+ if (unlikely(p != NULL)) { -+ set->curr_ip = p->curr_ip; -+ set->used_accept = 1; -+ gr_del_task_from_ip_table_nolock(p); -+ spin_unlock_bh(&gr_conn_table_lock); -+ return; -+ } -+ spin_unlock_bh(&gr_conn_table_lock); -+ -+ set->curr_ip = inet->inet_daddr; -+ set->used_accept = 1; -+#endif -+ return; -+} -+ -+int -+gr_handle_sock_all(const int family, const int type, const int protocol) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL -+ if (grsec_enable_socket_all && in_group_p(grsec_socket_all_gid) && -+ (family != AF_UNIX)) { -+ if (family == AF_INET) -+ gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), gr_proto_to_name(protocol)); -+ else -+ gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), protocol); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_sock_server(const struct sockaddr *sck) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ if (grsec_enable_socket_server && -+ in_group_p(grsec_socket_server_gid) && -+ sck && (sck->sa_family != AF_UNIX) && -+ (sck->sa_family != AF_LOCAL)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_sock_server_other(const struct sock *sck) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ if (grsec_enable_socket_server && -+ in_group_p(grsec_socket_server_gid) && -+ sck && (sck->sk_family != AF_UNIX) && -+ (sck->sk_family != AF_LOCAL)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_sock_client(const struct sockaddr *sck) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT -+ if (grsec_enable_socket_client && in_group_p(grsec_socket_client_gid) && -+ sck && (sck->sa_family != AF_UNIX) && -+ (sck->sa_family != AF_LOCAL)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_CONNECT_MSG); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -diff --git a/grsecurity/grsec_sysctl.c b/grsecurity/grsec_sysctl.c -new file mode 100644 -index 0000000..aaec43c ---- /dev/null -+++ b/grsecurity/grsec_sysctl.c -@@ -0,0 +1,488 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/sysctl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+int -+gr_handle_sysctl_mod(const char *dirname, const char *name, const int op) -+{ -+#ifdef CONFIG_GRKERNSEC_SYSCTL -+ if (dirname == NULL || name == NULL) -+ return 0; -+ if (!strcmp(dirname, "grsecurity") && grsec_lock && (op & MAY_WRITE)) { -+ gr_log_str(GR_DONT_AUDIT, GR_SYSCTL_MSG, name); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+#if defined(CONFIG_GRKERNSEC_ROFS) || defined(CONFIG_GRKERNSEC_DENYUSB) -+static int __maybe_unused __read_only one = 1; -+#endif -+ -+#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS) || \ -+ defined(CONFIG_GRKERNSEC_DENYUSB) -+struct ctl_table grsecurity_table[] = { -+#ifdef CONFIG_GRKERNSEC_SYSCTL -+#ifdef CONFIG_GRKERNSEC_SYSCTL_DISTRO -+#ifdef CONFIG_GRKERNSEC_IO -+ { -+ .procname = "disable_priv_io", -+ .data = &grsec_disable_privio, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#endif -+#ifdef CONFIG_GRKERNSEC_LINK -+ { -+ .procname = "linking_restrictions", -+ .data = &grsec_enable_link, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SYMLINKOWN -+ { -+ .procname = "enforce_symlinksifowner", -+ .data = &grsec_enable_symlinkown, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "symlinkown_gid", -+ .data = &grsec_symlinkown_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ { -+ .procname = "deter_bruteforce", -+ .data = &grsec_enable_brute, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_FIFO -+ { -+ .procname = "fifo_restrictions", -+ .data = &grsec_enable_fifo, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_PTRACE_READEXEC -+ { -+ .procname = "ptrace_readexec", -+ .data = &grsec_enable_ptrace_readexec, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SETXID -+ { -+ .procname = "consistent_setxid", -+ .data = &grsec_enable_setxid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ { -+ .procname = "ip_blackhole", -+ .data = &grsec_enable_blackhole, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "lastack_retries", -+ .data = &grsec_lastack_retries, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+ { -+ .procname = "exec_logging", -+ .data = &grsec_enable_execlog, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ { -+ .procname = "rwxmap_logging", -+ .data = &grsec_enable_log_rwxmaps, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SIGNAL -+ { -+ .procname = "signal_logging", -+ .data = &grsec_enable_signal, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_FORKFAIL -+ { -+ .procname = "forkfail_logging", -+ .data = &grsec_enable_forkfail, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TIME -+ { -+ .procname = "timechange_logging", -+ .data = &grsec_enable_time, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT -+ { -+ .procname = "chroot_deny_shmat", -+ .data = &grsec_enable_chroot_shmat, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX -+ { -+ .procname = "chroot_deny_unix", -+ .data = &grsec_enable_chroot_unix, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT -+ { -+ .procname = "chroot_deny_mount", -+ .data = &grsec_enable_chroot_mount, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ { -+ .procname = "chroot_deny_fchdir", -+ .data = &grsec_enable_chroot_fchdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE -+ { -+ .procname = "chroot_deny_chroot", -+ .data = &grsec_enable_chroot_double, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT -+ { -+ .procname = "chroot_deny_pivot", -+ .data = &grsec_enable_chroot_pivot, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR -+ { -+ .procname = "chroot_enforce_chdir", -+ .data = &grsec_enable_chroot_chdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD -+ { -+ .procname = "chroot_deny_chmod", -+ .data = &grsec_enable_chroot_chmod, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD -+ { -+ .procname = "chroot_deny_mknod", -+ .data = &grsec_enable_chroot_mknod, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ { -+ .procname = "chroot_restrict_nice", -+ .data = &grsec_enable_chroot_nice, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG -+ { -+ .procname = "chroot_execlog", -+ .data = &grsec_enable_chroot_execlog, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ { -+ .procname = "chroot_caps", -+ .data = &grsec_enable_chroot_caps, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ { -+ .procname = "chroot_deny_bad_rename", -+ .data = &grsec_enable_chroot_rename, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL -+ { -+ .procname = "chroot_deny_sysctl", -+ .data = &grsec_enable_chroot_sysctl, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE -+ { -+ .procname = "tpe", -+ .data = &grsec_enable_tpe, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "tpe_gid", -+ .data = &grsec_tpe_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE_INVERT -+ { -+ .procname = "tpe_invert", -+ .data = &grsec_enable_tpe_invert, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE_ALL -+ { -+ .procname = "tpe_restrict_all", -+ .data = &grsec_enable_tpe_all, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL -+ { -+ .procname = "socket_all", -+ .data = &grsec_enable_socket_all, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "socket_all_gid", -+ .data = &grsec_socket_all_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT -+ { -+ .procname = "socket_client", -+ .data = &grsec_enable_socket_client, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "socket_client_gid", -+ .data = &grsec_socket_client_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ { -+ .procname = "socket_server", -+ .data = &grsec_enable_socket_server, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "socket_server_gid", -+ .data = &grsec_socket_server_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP -+ { -+ .procname = "audit_group", -+ .data = &grsec_enable_group, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+ { -+ .procname = "audit_gid", -+ .data = &grsec_audit_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR -+ { -+ .procname = "audit_chdir", -+ .data = &grsec_enable_chdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ { -+ .procname = "audit_mount", -+ .data = &grsec_enable_mount, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_DMESG -+ { -+ .procname = "dmesg", -+ .data = &grsec_enable_dmesg, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ { -+ .procname = "chroot_findtask", -+ .data = &grsec_enable_chroot_findtask, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_RESLOG -+ { -+ .procname = "resource_logging", -+ .data = &grsec_resource_logging, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE -+ { -+ .procname = "audit_ptrace", -+ .data = &grsec_enable_audit_ptrace, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ { -+ .procname = "harden_ptrace", -+ .data = &grsec_enable_harden_ptrace, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_HARDEN_IPC -+ { -+ .procname = "harden_ipc", -+ .data = &grsec_enable_harden_ipc, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+ { -+ .procname = "grsec_lock", -+ .data = &grsec_lock, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_ROFS -+ { -+ .procname = "romount_protect", -+ .data = &grsec_enable_rofs, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_minmax_secure, -+ .extra1 = &one, -+ .extra2 = &one, -+ }, -+#endif -+#if defined(CONFIG_GRKERNSEC_DENYUSB) && !defined(CONFIG_GRKERNSEC_DENYUSB_FORCE) -+ { -+ .procname = "deny_new_usb", -+ .data = &grsec_deny_new_usb, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_secure, -+ }, -+#endif -+ { } -+}; -+#endif -diff --git a/grsecurity/grsec_time.c b/grsecurity/grsec_time.c -new file mode 100644 -index 0000000..61b514e ---- /dev/null -+++ b/grsecurity/grsec_time.c -@@ -0,0 +1,16 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/grinternal.h> -+#include <linux/module.h> -+ -+void -+gr_log_timechange(void) -+{ -+#ifdef CONFIG_GRKERNSEC_TIME -+ if (grsec_enable_time) -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_TIME_MSG); -+#endif -+ return; -+} -+ -+EXPORT_SYMBOL_GPL(gr_log_timechange); -diff --git a/grsecurity/grsec_tpe.c b/grsecurity/grsec_tpe.c -new file mode 100644 -index 0000000..9786671 ---- /dev/null -+++ b/grsecurity/grsec_tpe.c -@@ -0,0 +1,78 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/grinternal.h> -+ -+extern int gr_acl_tpe_check(void); -+ -+int -+gr_tpe_allow(const struct file *file) -+{ -+#ifdef CONFIG_GRKERNSEC -+ struct inode *inode = d_backing_inode(file->f_path.dentry->d_parent); -+ struct inode *file_inode = d_backing_inode(file->f_path.dentry); -+ const struct cred *cred = current_cred(); -+ char *msg = NULL; -+ char *msg2 = NULL; -+ -+ // never restrict root -+ if (gr_is_global_root(cred->uid)) -+ return 1; -+ -+ if (grsec_enable_tpe) { -+#ifdef CONFIG_GRKERNSEC_TPE_INVERT -+ if (grsec_enable_tpe_invert && !in_group_p(grsec_tpe_gid)) -+ msg = "not being in trusted group"; -+ else if (!grsec_enable_tpe_invert && in_group_p(grsec_tpe_gid)) -+ msg = "being in untrusted group"; -+#else -+ if (in_group_p(grsec_tpe_gid)) -+ msg = "being in untrusted group"; -+#endif -+ } -+ if (!msg && gr_acl_tpe_check()) -+ msg = "being in untrusted role"; -+ -+ // not in any affected group/role -+ if (!msg) -+ goto next_check; -+ -+ if (gr_is_global_nonroot(inode->i_uid)) -+ msg2 = "file in non-root-owned directory"; -+ else if (inode->i_mode & S_IWOTH) -+ msg2 = "file in world-writable directory"; -+ else if (inode->i_mode & S_IWGRP) -+ msg2 = "file in group-writable directory"; -+ else if (file_inode->i_mode & S_IWOTH) -+ msg2 = "file is world-writable"; -+ -+ if (msg && msg2) { -+ char fullmsg[70] = {0}; -+ snprintf(fullmsg, sizeof(fullmsg)-1, "%s and %s", msg, msg2); -+ gr_log_str_fs(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, fullmsg, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } -+ msg = NULL; -+next_check: -+#ifdef CONFIG_GRKERNSEC_TPE_ALL -+ if (!grsec_enable_tpe || !grsec_enable_tpe_all) -+ return 1; -+ -+ if (gr_is_global_nonroot(inode->i_uid) && !uid_eq(inode->i_uid, cred->uid)) -+ msg = "directory not owned by user"; -+ else if (inode->i_mode & S_IWOTH) -+ msg = "file in world-writable directory"; -+ else if (inode->i_mode & S_IWGRP) -+ msg = "file in group-writable directory"; -+ else if (file_inode->i_mode & S_IWOTH) -+ msg = "file is world-writable"; -+ -+ if (msg) { -+ gr_log_str_fs(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, msg, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } -+#endif -+#endif -+ return 1; -+} -diff --git a/grsecurity/grsec_usb.c b/grsecurity/grsec_usb.c -new file mode 100644 -index 0000000..ae02d8e ---- /dev/null -+++ b/grsecurity/grsec_usb.c -@@ -0,0 +1,15 @@ -+#include <linux/kernel.h> -+#include <linux/grinternal.h> -+#include <linux/module.h> -+ -+int gr_handle_new_usb(void) -+{ -+#ifdef CONFIG_GRKERNSEC_DENYUSB -+ if (grsec_deny_new_usb) { -+ printk(KERN_ALERT "grsec: denied insert of new USB device\n"); -+ return 1; -+ } -+#endif -+ return 0; -+} -+EXPORT_SYMBOL_GPL(gr_handle_new_usb); -diff --git a/grsecurity/grsum.c b/grsecurity/grsum.c -new file mode 100644 -index 0000000..158b330 ---- /dev/null -+++ b/grsecurity/grsum.c -@@ -0,0 +1,64 @@ -+#include <linux/err.h> -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/scatterlist.h> -+#include <linux/crypto.h> -+#include <linux/gracl.h> -+ -+ -+#if !defined(CONFIG_CRYPTO) || defined(CONFIG_CRYPTO_MODULE) || !defined(CONFIG_CRYPTO_SHA256) || defined(CONFIG_CRYPTO_SHA256_MODULE) -+#error "crypto and sha256 must be built into the kernel" -+#endif -+ -+int -+chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum) -+{ -+ struct crypto_hash *tfm; -+ struct hash_desc desc; -+ struct scatterlist sg[2]; -+ unsigned char temp_sum[GR_SHA_LEN] __attribute__((aligned(__alignof__(unsigned long)))); -+ unsigned long *tmpsumptr = (unsigned long *)temp_sum; -+ unsigned long *sumptr = (unsigned long *)sum; -+ int cryptres; -+ int retval = 1; -+ volatile int mismatched = 0; -+ volatile int dummy = 0; -+ unsigned int i; -+ -+ tfm = crypto_alloc_hash("sha256", 0, CRYPTO_ALG_ASYNC); -+ if (IS_ERR(tfm)) { -+ /* should never happen, since sha256 should be built in */ -+ memset(entry->pw, 0, GR_PW_LEN); -+ return 1; -+ } -+ -+ sg_init_table(sg, 2); -+ sg_set_buf(&sg[0], salt, GR_SALT_LEN); -+ sg_set_buf(&sg[1], entry->pw, strlen(entry->pw)); -+ -+ desc.tfm = tfm; -+ desc.flags = 0; -+ -+ cryptres = crypto_hash_digest(&desc, sg, GR_SALT_LEN + strlen(entry->pw), -+ temp_sum); -+ -+ memset(entry->pw, 0, GR_PW_LEN); -+ -+ if (cryptres) -+ goto out; -+ -+ for (i = 0; i < GR_SHA_LEN/sizeof(tmpsumptr[0]); i++) -+ if (sumptr[i] != tmpsumptr[i]) -+ mismatched = 1; -+ else -+ dummy = 1; // waste a cycle -+ -+ if (!mismatched) -+ retval = dummy - 1; -+ -+out: -+ crypto_free_hash(tfm); -+ -+ return retval; -+} -diff --git a/include/asm-generic/4level-fixup.h b/include/asm-generic/4level-fixup.h -index 5bdab6b..9ae82fe 100644 ---- a/include/asm-generic/4level-fixup.h -+++ b/include/asm-generic/4level-fixup.h -@@ -14,8 +14,10 @@ - #define pmd_alloc(mm, pud, address) \ - ((unlikely(pgd_none(*(pud))) && __pmd_alloc(mm, pud, address))? \ - NULL: pmd_offset(pud, address)) -+#define pmd_alloc_kernel(mm, pud, address) pmd_alloc((mm), (pud), (address)) - - #define pud_alloc(mm, pgd, address) (pgd) -+#define pud_alloc_kernel(mm, pgd, address) pud_alloc((mm), (pgd), (address)) - #define pud_offset(pgd, start) (pgd) - #define pud_none(pud) 0 - #define pud_bad(pud) 0 -diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h -index b7babf0..1e4b4f1 100644 ---- a/include/asm-generic/atomic-long.h -+++ b/include/asm-generic/atomic-long.h -@@ -22,6 +22,12 @@ - - typedef atomic64_t atomic_long_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef atomic64_unchecked_t atomic_long_unchecked_t; -+#else -+typedef atomic64_t atomic_long_unchecked_t; -+#endif -+ - #define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i) - - static inline long atomic_long_read(atomic_long_t *l) -@@ -31,6 +37,15 @@ static inline long atomic_long_read(atomic_long_t *l) - return (long)atomic64_read(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ return (long)atomic64_read_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_set(atomic_long_t *l, long i) - { - atomic64_t *v = (atomic64_t *)l; -@@ -38,6 +53,15 @@ static inline void atomic_long_set(atomic_long_t *l, long i) - atomic64_set(v, i); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_set_unchecked(v, i); -+} -+#endif -+ - static inline void atomic_long_inc(atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -45,6 +69,15 @@ static inline void atomic_long_inc(atomic_long_t *l) - atomic64_inc(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_inc_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_dec(atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -52,6 +85,15 @@ static inline void atomic_long_dec(atomic_long_t *l) - atomic64_dec(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_dec_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_add(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -59,6 +101,15 @@ static inline void atomic_long_add(long i, atomic_long_t *l) - atomic64_add(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_add_unchecked(i, v); -+} -+#endif -+ - static inline void atomic_long_sub(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -66,6 +117,15 @@ static inline void atomic_long_sub(long i, atomic_long_t *l) - atomic64_sub(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_sub_unchecked(i, v); -+} -+#endif -+ - static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -94,13 +154,22 @@ static inline int atomic_long_add_negative(long i, atomic_long_t *l) - return atomic64_add_negative(i, v); - } - --static inline long atomic_long_add_return(long i, atomic_long_t *l) -+static inline long __intentional_overflow(-1) atomic_long_add_return(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; - - return (long)atomic64_add_return(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_add_return_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ return (long)atomic64_add_return_unchecked(i, v); -+} -+#endif -+ - static inline long atomic_long_sub_return(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -115,6 +184,15 @@ static inline long atomic_long_inc_return(atomic_long_t *l) - return (long)atomic64_inc_return(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ return (long)atomic64_inc_return_unchecked(v); -+} -+#endif -+ - static inline long atomic_long_dec_return(atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -140,6 +218,12 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) - - typedef atomic_t atomic_long_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef atomic_unchecked_t atomic_long_unchecked_t; -+#else -+typedef atomic_t atomic_long_unchecked_t; -+#endif -+ - #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i) - static inline long atomic_long_read(atomic_long_t *l) - { -@@ -148,6 +232,15 @@ static inline long atomic_long_read(atomic_long_t *l) - return (long)atomic_read(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ return (long)atomic_read_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_set(atomic_long_t *l, long i) - { - atomic_t *v = (atomic_t *)l; -@@ -155,6 +248,15 @@ static inline void atomic_long_set(atomic_long_t *l, long i) - atomic_set(v, i); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_set_unchecked(v, i); -+} -+#endif -+ - static inline void atomic_long_inc(atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -162,6 +264,15 @@ static inline void atomic_long_inc(atomic_long_t *l) - atomic_inc(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_inc_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_dec(atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -169,6 +280,15 @@ static inline void atomic_long_dec(atomic_long_t *l) - atomic_dec(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_dec_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_add(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -176,6 +296,15 @@ static inline void atomic_long_add(long i, atomic_long_t *l) - atomic_add(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_add_unchecked(i, v); -+} -+#endif -+ - static inline void atomic_long_sub(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -183,6 +312,15 @@ static inline void atomic_long_sub(long i, atomic_long_t *l) - atomic_sub(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_sub_unchecked(i, v); -+} -+#endif -+ - static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -211,13 +349,23 @@ static inline int atomic_long_add_negative(long i, atomic_long_t *l) - return atomic_add_negative(i, v); - } - --static inline long atomic_long_add_return(long i, atomic_long_t *l) -+static inline long __intentional_overflow(-1) atomic_long_add_return(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; - - return (long)atomic_add_return(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_add_return_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ return (long)atomic_add_return_unchecked(i, v); -+} -+ -+#endif -+ - static inline long atomic_long_sub_return(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -232,6 +380,15 @@ static inline long atomic_long_inc_return(atomic_long_t *l) - return (long)atomic_inc_return(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ return (long)atomic_inc_return_unchecked(v); -+} -+#endif -+ - static inline long atomic_long_dec_return(atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -255,4 +412,57 @@ static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) - - #endif /* BITS_PER_LONG == 64 */ - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void pax_refcount_needs_these_functions(void) -+{ -+ atomic_read_unchecked((atomic_unchecked_t *)NULL); -+ atomic_set_unchecked((atomic_unchecked_t *)NULL, 0); -+ atomic_add_unchecked(0, (atomic_unchecked_t *)NULL); -+ atomic_sub_unchecked(0, (atomic_unchecked_t *)NULL); -+ atomic_inc_unchecked((atomic_unchecked_t *)NULL); -+ (void)atomic_inc_and_test_unchecked((atomic_unchecked_t *)NULL); -+ atomic_inc_return_unchecked((atomic_unchecked_t *)NULL); -+ atomic_add_return_unchecked(0, (atomic_unchecked_t *)NULL); -+ atomic_dec_unchecked((atomic_unchecked_t *)NULL); -+ atomic_cmpxchg_unchecked((atomic_unchecked_t *)NULL, 0, 0); -+ (void)atomic_xchg_unchecked((atomic_unchecked_t *)NULL, 0); -+#ifdef CONFIG_X86 -+ atomic_clear_mask_unchecked(0, NULL); -+ atomic_set_mask_unchecked(0, NULL); -+#endif -+ -+ atomic_long_read_unchecked((atomic_long_unchecked_t *)NULL); -+ atomic_long_set_unchecked((atomic_long_unchecked_t *)NULL, 0); -+ atomic_long_add_unchecked(0, (atomic_long_unchecked_t *)NULL); -+ atomic_long_sub_unchecked(0, (atomic_long_unchecked_t *)NULL); -+ atomic_long_inc_unchecked((atomic_long_unchecked_t *)NULL); -+ atomic_long_add_return_unchecked(0, (atomic_long_unchecked_t *)NULL); -+ atomic_long_inc_return_unchecked((atomic_long_unchecked_t *)NULL); -+ atomic_long_dec_unchecked((atomic_long_unchecked_t *)NULL); -+} -+#else -+#define atomic_read_unchecked(v) atomic_read(v) -+#define atomic_set_unchecked(v, i) atomic_set((v), (i)) -+#define atomic_add_unchecked(i, v) atomic_add((i), (v)) -+#define atomic_sub_unchecked(i, v) atomic_sub((i), (v)) -+#define atomic_inc_unchecked(v) atomic_inc(v) -+#define atomic_inc_and_test_unchecked(v) atomic_inc_and_test(v) -+#define atomic_inc_return_unchecked(v) atomic_inc_return(v) -+#define atomic_add_return_unchecked(i, v) atomic_add_return((i), (v)) -+#define atomic_dec_unchecked(v) atomic_dec(v) -+#define atomic_cmpxchg_unchecked(v, o, n) atomic_cmpxchg((v), (o), (n)) -+#define atomic_xchg_unchecked(v, i) atomic_xchg((v), (i)) -+#define atomic_clear_mask_unchecked(mask, v) atomic_clear_mask((mask), (v)) -+#define atomic_set_mask_unchecked(mask, v) atomic_set_mask((mask), (v)) -+ -+#define atomic_long_read_unchecked(v) atomic_long_read(v) -+#define atomic_long_set_unchecked(v, i) atomic_long_set((v), (i)) -+#define atomic_long_add_unchecked(i, v) atomic_long_add((i), (v)) -+#define atomic_long_sub_unchecked(i, v) atomic_long_sub((i), (v)) -+#define atomic_long_inc_unchecked(v) atomic_long_inc(v) -+#define atomic_long_add_return_unchecked(i, v) atomic_long_add_return((i), (v)) -+#define atomic_long_inc_return_unchecked(v) atomic_long_inc_return(v) -+#define atomic_long_dec_unchecked(v) atomic_long_dec(v) -+#endif -+ - #endif /* _ASM_GENERIC_ATOMIC_LONG_H */ -diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h -index 30ad9c8..c70c170 100644 ---- a/include/asm-generic/atomic64.h -+++ b/include/asm-generic/atomic64.h -@@ -16,6 +16,8 @@ typedef struct { - long long counter; - } atomic64_t; - -+typedef atomic64_t atomic64_unchecked_t; -+ - #define ATOMIC64_INIT(i) { (i) } - - extern long long atomic64_read(const atomic64_t *v); -@@ -51,4 +53,14 @@ extern int atomic64_add_unless(atomic64_t *v, long long a, long long u); - #define atomic64_dec_and_test(v) (atomic64_dec_return((v)) == 0) - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1LL, 0LL) - -+#define atomic64_read_unchecked(v) atomic64_read(v) -+#define atomic64_set_unchecked(v, i) atomic64_set((v), (i)) -+#define atomic64_add_unchecked(a, v) atomic64_add((a), (v)) -+#define atomic64_add_return_unchecked(a, v) atomic64_add_return((a), (v)) -+#define atomic64_sub_unchecked(a, v) atomic64_sub((a), (v)) -+#define atomic64_inc_unchecked(v) atomic64_inc(v) -+#define atomic64_inc_return_unchecked(v) atomic64_inc_return(v) -+#define atomic64_dec_unchecked(v) atomic64_dec(v) -+#define atomic64_cmpxchg_unchecked(v, o, n) atomic64_cmpxchg((v), (o), (n)) -+ - #endif /* _ASM_GENERIC_ATOMIC64_H */ -diff --git a/include/asm-generic/barrier.h b/include/asm-generic/barrier.h -index f5c40b0..e902f9d 100644 ---- a/include/asm-generic/barrier.h -+++ b/include/asm-generic/barrier.h -@@ -82,7 +82,7 @@ - do { \ - compiletime_assert_atomic_type(*p); \ - smp_mb(); \ -- ACCESS_ONCE(*p) = (v); \ -+ ACCESS_ONCE_RW(*p) = (v); \ - } while (0) - - #define smp_load_acquire(p) \ -diff --git a/include/asm-generic/bitops/__fls.h b/include/asm-generic/bitops/__fls.h -index a60a7cc..0fe12f2 100644 ---- a/include/asm-generic/bitops/__fls.h -+++ b/include/asm-generic/bitops/__fls.h -@@ -9,7 +9,7 @@ - * - * Undefined if no set bit exists, so code should check against 0 first. - */ --static __always_inline unsigned long __fls(unsigned long word) -+static __always_inline unsigned long __intentional_overflow(-1) __fls(unsigned long word) - { - int num = BITS_PER_LONG - 1; - -diff --git a/include/asm-generic/bitops/fls.h b/include/asm-generic/bitops/fls.h -index 0576d1f..dad6c71 100644 ---- a/include/asm-generic/bitops/fls.h -+++ b/include/asm-generic/bitops/fls.h -@@ -9,7 +9,7 @@ - * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32. - */ - --static __always_inline int fls(int x) -+static __always_inline int __intentional_overflow(-1) fls(int x) - { - int r = 32; - -diff --git a/include/asm-generic/bitops/fls64.h b/include/asm-generic/bitops/fls64.h -index b097cf8..3d40e14 100644 ---- a/include/asm-generic/bitops/fls64.h -+++ b/include/asm-generic/bitops/fls64.h -@@ -15,7 +15,7 @@ - * at position 64. - */ - #if BITS_PER_LONG == 32 --static __always_inline int fls64(__u64 x) -+static __always_inline int __intentional_overflow(-1) fls64(__u64 x) - { - __u32 h = x >> 32; - if (h) -@@ -23,7 +23,7 @@ static __always_inline int fls64(__u64 x) - return fls(x); - } - #elif BITS_PER_LONG == 64 --static __always_inline int fls64(__u64 x) -+static __always_inline int __intentional_overflow(-1) fls64(__u64 x) - { - if (x == 0) - return 0; -diff --git a/include/asm-generic/bug.h b/include/asm-generic/bug.h -index 630dd23..8c1dcb6b 100644 ---- a/include/asm-generic/bug.h -+++ b/include/asm-generic/bug.h -@@ -62,13 +62,13 @@ struct bug_entry { - * to provide better diagnostics. - */ - #ifndef __WARN_TAINT --extern __printf(3, 4) -+extern __printf(3, 4) __nocapture(1, 3, 4) - void warn_slowpath_fmt(const char *file, const int line, - const char *fmt, ...); --extern __printf(4, 5) -+extern __printf(4, 5) __nocapture(1, 4, 5) - void warn_slowpath_fmt_taint(const char *file, const int line, unsigned taint, - const char *fmt, ...); --extern void warn_slowpath_null(const char *file, const int line); -+extern __nocapture(1) void warn_slowpath_null(const char *file, const int line); - #define WANT_WARN_ON_SLOWPATH - #define __WARN() warn_slowpath_null(__FILE__, __LINE__) - #define __WARN_printf(arg...) warn_slowpath_fmt(__FILE__, __LINE__, arg) -diff --git a/include/asm-generic/cache.h b/include/asm-generic/cache.h -index 1bfcfe5..e04c5c9 100644 ---- a/include/asm-generic/cache.h -+++ b/include/asm-generic/cache.h -@@ -6,7 +6,7 @@ - * cache lines need to provide their own cache.h. - */ - --#define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_SHIFT 5UL -+#define L1_CACHE_BYTES (1UL << L1_CACHE_SHIFT) - - #endif /* __ASM_GENERIC_CACHE_H */ -diff --git a/include/asm-generic/emergency-restart.h b/include/asm-generic/emergency-restart.h -index 0d68a1e..b74a761 100644 ---- a/include/asm-generic/emergency-restart.h -+++ b/include/asm-generic/emergency-restart.h -@@ -1,7 +1,7 @@ - #ifndef _ASM_GENERIC_EMERGENCY_RESTART_H - #define _ASM_GENERIC_EMERGENCY_RESTART_H - --static inline void machine_emergency_restart(void) -+static inline __noreturn void machine_emergency_restart(void) - { - machine_restart(NULL); - } -diff --git a/include/asm-generic/kmap_types.h b/include/asm-generic/kmap_types.h -index 90f99c7..00ce236 100644 ---- a/include/asm-generic/kmap_types.h -+++ b/include/asm-generic/kmap_types.h -@@ -2,9 +2,9 @@ - #define _ASM_GENERIC_KMAP_TYPES_H - - #ifdef __WITH_KM_FENCE --# define KM_TYPE_NR 41 -+# define KM_TYPE_NR 42 - #else --# define KM_TYPE_NR 20 -+# define KM_TYPE_NR 21 - #endif - - #endif -diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h -index 9ceb03b..62b0b8f 100644 ---- a/include/asm-generic/local.h -+++ b/include/asm-generic/local.h -@@ -23,24 +23,37 @@ typedef struct - atomic_long_t a; - } local_t; - -+typedef struct { -+ atomic_long_unchecked_t a; -+} local_unchecked_t; -+ - #define LOCAL_INIT(i) { ATOMIC_LONG_INIT(i) } - - #define local_read(l) atomic_long_read(&(l)->a) -+#define local_read_unchecked(l) atomic_long_read_unchecked(&(l)->a) - #define local_set(l,i) atomic_long_set((&(l)->a),(i)) -+#define local_set_unchecked(l,i) atomic_long_set_unchecked((&(l)->a),(i)) - #define local_inc(l) atomic_long_inc(&(l)->a) -+#define local_inc_unchecked(l) atomic_long_inc_unchecked(&(l)->a) - #define local_dec(l) atomic_long_dec(&(l)->a) -+#define local_dec_unchecked(l) atomic_long_dec_unchecked(&(l)->a) - #define local_add(i,l) atomic_long_add((i),(&(l)->a)) -+#define local_add_unchecked(i,l) atomic_long_add_unchecked((i),(&(l)->a)) - #define local_sub(i,l) atomic_long_sub((i),(&(l)->a)) -+#define local_sub_unchecked(i,l) atomic_long_sub_unchecked((i),(&(l)->a)) - - #define local_sub_and_test(i, l) atomic_long_sub_and_test((i), (&(l)->a)) - #define local_dec_and_test(l) atomic_long_dec_and_test(&(l)->a) - #define local_inc_and_test(l) atomic_long_inc_and_test(&(l)->a) - #define local_add_negative(i, l) atomic_long_add_negative((i), (&(l)->a)) - #define local_add_return(i, l) atomic_long_add_return((i), (&(l)->a)) -+#define local_add_return_unchecked(i, l) atomic_long_add_return_unchecked((i), (&(l)->a)) - #define local_sub_return(i, l) atomic_long_sub_return((i), (&(l)->a)) - #define local_inc_return(l) atomic_long_inc_return(&(l)->a) -+#define local_dec_return(l) atomic_long_dec_return(&(l)->a) - - #define local_cmpxchg(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n)) -+#define local_cmpxchg_unchecked(l, o, n) atomic_long_cmpxchg((&(l)->a), (o), (n)) - #define local_xchg(l, n) atomic_long_xchg((&(l)->a), (n)) - #define local_add_unless(l, _a, u) atomic_long_add_unless((&(l)->a), (_a), (u)) - #define local_inc_not_zero(l) atomic_long_inc_not_zero(&(l)->a) -diff --git a/include/asm-generic/pgtable-nopmd.h b/include/asm-generic/pgtable-nopmd.h -index 725612b..9cc513a 100644 ---- a/include/asm-generic/pgtable-nopmd.h -+++ b/include/asm-generic/pgtable-nopmd.h -@@ -1,14 +1,19 @@ - #ifndef _PGTABLE_NOPMD_H - #define _PGTABLE_NOPMD_H - --#ifndef __ASSEMBLY__ -- - #include <asm-generic/pgtable-nopud.h> - --struct mm_struct; -- - #define __PAGETABLE_PMD_FOLDED - -+#define PMD_SHIFT PUD_SHIFT -+#define PTRS_PER_PMD 1 -+#define PMD_SIZE (_AC(1,UL) << PMD_SHIFT) -+#define PMD_MASK (~(PMD_SIZE-1)) -+ -+#ifndef __ASSEMBLY__ -+ -+struct mm_struct; -+ - /* - * Having the pmd type consist of a pud gets the size right, and allows - * us to conceptually access the pud entry that this pmd is folded into -@@ -16,11 +21,6 @@ struct mm_struct; - */ - typedef struct { pud_t pud; } pmd_t; - --#define PMD_SHIFT PUD_SHIFT --#define PTRS_PER_PMD 1 --#define PMD_SIZE (1UL << PMD_SHIFT) --#define PMD_MASK (~(PMD_SIZE-1)) -- - /* - * The "pud_xxx()" functions here are trivial for a folded two-level - * setup: the pmd is never bad, and a pmd always exists (as it's folded -diff --git a/include/asm-generic/pgtable-nopud.h b/include/asm-generic/pgtable-nopud.h -index 810431d..0ec4804f 100644 ---- a/include/asm-generic/pgtable-nopud.h -+++ b/include/asm-generic/pgtable-nopud.h -@@ -1,10 +1,15 @@ - #ifndef _PGTABLE_NOPUD_H - #define _PGTABLE_NOPUD_H - --#ifndef __ASSEMBLY__ -- - #define __PAGETABLE_PUD_FOLDED - -+#define PUD_SHIFT PGDIR_SHIFT -+#define PTRS_PER_PUD 1 -+#define PUD_SIZE (_AC(1,UL) << PUD_SHIFT) -+#define PUD_MASK (~(PUD_SIZE-1)) -+ -+#ifndef __ASSEMBLY__ -+ - /* - * Having the pud type consist of a pgd gets the size right, and allows - * us to conceptually access the pgd entry that this pud is folded into -@@ -12,11 +17,6 @@ - */ - typedef struct { pgd_t pgd; } pud_t; - --#define PUD_SHIFT PGDIR_SHIFT --#define PTRS_PER_PUD 1 --#define PUD_SIZE (1UL << PUD_SHIFT) --#define PUD_MASK (~(PUD_SIZE-1)) -- - /* - * The "pgd_xxx()" functions here are trivial for a folded two-level - * setup: the pud is never bad, and a pud always exists (as it's folded -@@ -29,6 +29,7 @@ static inline void pgd_clear(pgd_t *pgd) { } - #define pud_ERROR(pud) (pgd_ERROR((pud).pgd)) - - #define pgd_populate(mm, pgd, pud) do { } while (0) -+#define pgd_populate_kernel(mm, pgd, pud) do { } while (0) - /* - * (puds are folded into pgds so this doesn't get actually called, - * but the define is needed for a generic inline function.) -diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h -index 39f1d6a..7dae6fb 100644 ---- a/include/asm-generic/pgtable.h -+++ b/include/asm-generic/pgtable.h -@@ -695,6 +695,22 @@ static inline int pmd_protnone(pmd_t pmd) - } - #endif /* CONFIG_NUMA_BALANCING */ - -+#ifndef __HAVE_ARCH_PAX_OPEN_KERNEL -+#ifdef CONFIG_PAX_KERNEXEC -+#error KERNEXEC requires pax_open_kernel -+#else -+static inline unsigned long pax_open_kernel(void) { return 0; } -+#endif -+#endif -+ -+#ifndef __HAVE_ARCH_PAX_CLOSE_KERNEL -+#ifdef CONFIG_PAX_KERNEXEC -+#error KERNEXEC requires pax_close_kernel -+#else -+static inline unsigned long pax_close_kernel(void) { return 0; } -+#endif -+#endif -+ - #endif /* CONFIG_MMU */ - - #ifdef CONFIG_HAVE_ARCH_HUGE_VMAP -diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h -index 72d8803..cb9749c 100644 ---- a/include/asm-generic/uaccess.h -+++ b/include/asm-generic/uaccess.h -@@ -343,4 +343,20 @@ clear_user(void __user *to, unsigned long n) - return __clear_user(to, n); - } - -+#ifndef __HAVE_ARCH_PAX_OPEN_USERLAND -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#error UDEREF requires pax_open_userland -+#else -+static inline unsigned long pax_open_userland(void) { return 0; } -+#endif -+#endif -+ -+#ifndef __HAVE_ARCH_PAX_CLOSE_USERLAND -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#error UDEREF requires pax_close_userland -+#else -+static inline unsigned long pax_close_userland(void) { return 0; } -+#endif -+#endif -+ - #endif /* __ASM_GENERIC_UACCESS_H */ -diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h -index 8bd374d..9590e70 100644 ---- a/include/asm-generic/vmlinux.lds.h -+++ b/include/asm-generic/vmlinux.lds.h -@@ -246,6 +246,7 @@ - .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \ - VMLINUX_SYMBOL(__start_rodata) = .; \ - *(.rodata) *(.rodata.*) \ -+ *(.data..read_only) \ - *(__vermagic) /* Kernel version magic */ \ - . = ALIGN(8); \ - VMLINUX_SYMBOL(__start___tracepoints_ptrs) = .; \ -@@ -504,6 +505,7 @@ - KERNEL_CTORS() \ - MCOUNT_REC() \ - *(.init.rodata) \ -+ *(.init.rodata.*) \ - FTRACE_EVENTS() \ - TRACE_SYSCALLS() \ - KPROBE_BLACKLIST() \ -@@ -525,6 +527,8 @@ - - #define EXIT_DATA \ - *(.exit.data) \ -+ *(.exit.rodata) \ -+ *(.exit.rodata.*) \ - MEM_DISCARD(exit.data) \ - MEM_DISCARD(exit.rodata) - -@@ -741,17 +745,18 @@ - * section in the linker script will go there too. @phdr should have - * a leading colon. - * -- * Note that this macros defines __per_cpu_load as an absolute symbol. -+ * Note that this macros defines per_cpu_load as an absolute symbol. - * If there is no need to put the percpu section at a predetermined - * address, use PERCPU_SECTION. - */ - #define PERCPU_VADDR(cacheline, vaddr, phdr) \ -- VMLINUX_SYMBOL(__per_cpu_load) = .; \ -- .data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load) \ -+ per_cpu_load = .; \ -+ .data..percpu vaddr : AT(VMLINUX_SYMBOL(per_cpu_load) \ - - LOAD_OFFSET) { \ -+ VMLINUX_SYMBOL(__per_cpu_load) = . + per_cpu_load; \ - PERCPU_INPUT(cacheline) \ - } phdr \ -- . = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data..percpu); -+ . = VMLINUX_SYMBOL(per_cpu_load) + SIZEOF(.data..percpu); - - /** - * PERCPU_SECTION - define output section for percpu area, simple version -diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h -index 0ecb768..f910132 100644 ---- a/include/crypto/algapi.h -+++ b/include/crypto/algapi.h -@@ -34,7 +34,7 @@ struct crypto_type { - unsigned int maskclear; - unsigned int maskset; - unsigned int tfmsize; --}; -+} __do_const; - - struct crypto_instance { - struct crypto_alg alg; -diff --git a/include/drm/drmP.h b/include/drm/drmP.h -index 62c40777..f980496 100644 ---- a/include/drm/drmP.h -+++ b/include/drm/drmP.h -@@ -59,6 +59,7 @@ - - #include <asm/mman.h> - #include <asm/pgalloc.h> -+#include <asm/local.h> - #include <asm/uaccess.h> - - #include <uapi/drm/drm.h> -@@ -137,17 +138,18 @@ void drm_err(const char *format, ...); - /*@{*/ - - /* driver capabilities and requirements mask */ --#define DRIVER_USE_AGP 0x1 --#define DRIVER_PCI_DMA 0x8 --#define DRIVER_SG 0x10 --#define DRIVER_HAVE_DMA 0x20 --#define DRIVER_HAVE_IRQ 0x40 --#define DRIVER_IRQ_SHARED 0x80 --#define DRIVER_GEM 0x1000 --#define DRIVER_MODESET 0x2000 --#define DRIVER_PRIME 0x4000 --#define DRIVER_RENDER 0x8000 --#define DRIVER_ATOMIC 0x10000 -+#define DRIVER_USE_AGP 0x1 -+#define DRIVER_PCI_DMA 0x8 -+#define DRIVER_SG 0x10 -+#define DRIVER_HAVE_DMA 0x20 -+#define DRIVER_HAVE_IRQ 0x40 -+#define DRIVER_IRQ_SHARED 0x80 -+#define DRIVER_GEM 0x1000 -+#define DRIVER_MODESET 0x2000 -+#define DRIVER_PRIME 0x4000 -+#define DRIVER_RENDER 0x8000 -+#define DRIVER_ATOMIC 0x10000 -+#define DRIVER_KMS_LEGACY_CONTEXT 0x20000 - - /***********************************************************************/ - /** \name Macros to make printk easier */ -@@ -233,10 +235,12 @@ void drm_err(const char *format, ...); - * \param cmd command. - * \param arg argument. - */ --typedef int drm_ioctl_t(struct drm_device *dev, void *data, -+typedef int (* const drm_ioctl_t)(struct drm_device *dev, void *data, -+ struct drm_file *file_priv); -+typedef int (* drm_ioctl_no_const_t)(struct drm_device *dev, void *data, - struct drm_file *file_priv); - --typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, -+typedef int (* const drm_ioctl_compat_t)(struct file *filp, unsigned int cmd, - unsigned long arg); - - #define DRM_IOCTL_NR(n) _IOC_NR(n) -@@ -252,9 +256,9 @@ typedef int drm_ioctl_compat_t(struct file *filp, unsigned int cmd, - struct drm_ioctl_desc { - unsigned int cmd; - int flags; -- drm_ioctl_t *func; -+ drm_ioctl_t func; - const char *name; --}; -+} __do_const; - - /** - * Creates a driver or general drm_ioctl_desc array entry for the given -@@ -645,7 +649,8 @@ struct drm_info_list { - int (*show)(struct seq_file*, void*); /** show callback */ - u32 driver_features; /**< Required driver features for this entry */ - void *data; --}; -+} __do_const; -+typedef struct drm_info_list __no_const drm_info_list_no_const; - - /** - * debugfs node structure. This structure represents a debugfs file. -@@ -729,7 +734,7 @@ struct drm_device { - - /** \name Usage Counters */ - /*@{ */ -- int open_count; /**< Outstanding files open, protected by drm_global_mutex. */ -+ local_t open_count; /**< Outstanding files open, protected by drm_global_mutex. */ - spinlock_t buf_lock; /**< For drm_device::buf_use and a few other things. */ - int buf_use; /**< Buffers in use -- cannot alloc */ - atomic_t buf_alloc; /**< Buffer allocation in progress */ -diff --git a/include/drm/drm_crtc_helper.h b/include/drm/drm_crtc_helper.h -index c8fc187..079d4c2 100644 ---- a/include/drm/drm_crtc_helper.h -+++ b/include/drm/drm_crtc_helper.h -@@ -161,7 +161,7 @@ struct drm_encoder_helper_funcs { - int (*atomic_check)(struct drm_encoder *encoder, - struct drm_crtc_state *crtc_state, - struct drm_connector_state *conn_state); --}; -+} __no_const; - - /** - * struct drm_connector_helper_funcs - helper operations for connectors -diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h -index 6133723..4c1fccb 100644 ---- a/include/drm/i915_pciids.h -+++ b/include/drm/i915_pciids.h -@@ -37,7 +37,7 @@ - */ - #define INTEL_VGA_DEVICE(id, info) { \ - 0x8086, id, \ -- ~0, ~0, \ -+ PCI_ANY_ID, PCI_ANY_ID, \ - 0x030000, 0xff0000, \ - (unsigned long) info } - -diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h -index 72dcbe8..8db58d7 100644 ---- a/include/drm/ttm/ttm_memory.h -+++ b/include/drm/ttm/ttm_memory.h -@@ -48,7 +48,7 @@ - - struct ttm_mem_shrink { - int (*do_shrink) (struct ttm_mem_shrink *); --}; -+} __no_const; - - /** - * struct ttm_mem_global - Global memory accounting structure. -diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h -index 49a8284..9643967 100644 ---- a/include/drm/ttm/ttm_page_alloc.h -+++ b/include/drm/ttm/ttm_page_alloc.h -@@ -80,6 +80,7 @@ void ttm_dma_page_alloc_fini(void); - */ - extern int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data); - -+struct device; - extern int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev); - extern void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev); - -diff --git a/include/keys/asymmetric-subtype.h b/include/keys/asymmetric-subtype.h -index 4b840e8..155d235 100644 ---- a/include/keys/asymmetric-subtype.h -+++ b/include/keys/asymmetric-subtype.h -@@ -37,7 +37,7 @@ struct asymmetric_key_subtype { - /* Verify the signature on a key of this subtype (optional) */ - int (*verify_signature)(const struct key *key, - const struct public_key_signature *sig); --}; -+} __do_const; - - /** - * asymmetric_key_subtype - Get the subtype from an asymmetric key -diff --git a/include/linux/atmdev.h b/include/linux/atmdev.h -index c1da539..1dcec55 100644 ---- a/include/linux/atmdev.h -+++ b/include/linux/atmdev.h -@@ -28,7 +28,7 @@ struct compat_atm_iobuf { - #endif - - struct k_atm_aal_stats { --#define __HANDLE_ITEM(i) atomic_t i -+#define __HANDLE_ITEM(i) atomic_unchecked_t i - __AAL_STAT_ITEMS - #undef __HANDLE_ITEM - }; -@@ -200,7 +200,7 @@ struct atmdev_ops { /* only send is required */ - int (*change_qos)(struct atm_vcc *vcc,struct atm_qos *qos,int flags); - int (*proc_read)(struct atm_dev *dev,loff_t *pos,char *page); - struct module *owner; --}; -+} __do_const ; - - struct atmphy_ops { - int (*start)(struct atm_dev *dev); -diff --git a/include/linux/atomic.h b/include/linux/atomic.h -index 5b08a85..60922fb 100644 ---- a/include/linux/atomic.h -+++ b/include/linux/atomic.h -@@ -12,7 +12,7 @@ - * Atomically adds @a to @v, so long as @v was not already @u. - * Returns non-zero if @v was not @u, and zero otherwise. - */ --static inline int atomic_add_unless(atomic_t *v, int a, int u) -+static inline int __intentional_overflow(-1) atomic_add_unless(atomic_t *v, int a, int u) - { - return __atomic_add_unless(v, a, u) != u; - } -diff --git a/include/linux/audit.h b/include/linux/audit.h -index c2e7e3a..8bfc0e1 100644 ---- a/include/linux/audit.h -+++ b/include/linux/audit.h -@@ -223,7 +223,7 @@ static inline void audit_ptrace(struct task_struct *t) - extern unsigned int audit_serial(void); - extern int auditsc_get_stamp(struct audit_context *ctx, - struct timespec *t, unsigned int *serial); --extern int audit_set_loginuid(kuid_t loginuid); -+extern int __intentional_overflow(-1) audit_set_loginuid(kuid_t loginuid); - - static inline kuid_t audit_get_loginuid(struct task_struct *tsk) - { -diff --git a/include/linux/binfmts.h b/include/linux/binfmts.h -index 576e463..28fd926 100644 ---- a/include/linux/binfmts.h -+++ b/include/linux/binfmts.h -@@ -44,7 +44,7 @@ struct linux_binprm { - unsigned interp_flags; - unsigned interp_data; - unsigned long loader, exec; --}; -+} __randomize_layout; - - #define BINPRM_FLAGS_ENFORCE_NONDUMP_BIT 0 - #define BINPRM_FLAGS_ENFORCE_NONDUMP (1 << BINPRM_FLAGS_ENFORCE_NONDUMP_BIT) -@@ -77,8 +77,10 @@ struct linux_binfmt { - int (*load_binary)(struct linux_binprm *); - int (*load_shlib)(struct file *); - int (*core_dump)(struct coredump_params *cprm); -+ void (*handle_mprotect)(struct vm_area_struct *vma, unsigned long newflags); -+ void (*handle_mmap)(struct file *); - unsigned long min_coredump; /* minimal dump size */ --}; -+} __do_const __randomize_layout; - - extern void __register_binfmt(struct linux_binfmt *fmt, int insert); - -diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h -index ea17cca..dd56e56 100644 ---- a/include/linux/bitmap.h -+++ b/include/linux/bitmap.h -@@ -295,7 +295,7 @@ static inline int bitmap_full(const unsigned long *src, unsigned int nbits) - return find_first_zero_bit(src, nbits) == nbits; - } - --static inline int bitmap_weight(const unsigned long *src, unsigned int nbits) -+static inline int __intentional_overflow(-1) bitmap_weight(const unsigned long *src, unsigned int nbits) - { - if (small_const_nbits(nbits)) - return hweight_long(*src & BITMAP_LAST_WORD_MASK(nbits)); -diff --git a/include/linux/bitops.h b/include/linux/bitops.h -index 297f5bd..0b6d1e8 100644 ---- a/include/linux/bitops.h -+++ b/include/linux/bitops.h -@@ -105,7 +105,7 @@ static inline __u64 ror64(__u64 word, unsigned int shift) - * @word: value to rotate - * @shift: bits to roll - */ --static inline __u32 rol32(__u32 word, unsigned int shift) -+static inline __u32 __intentional_overflow(-1) rol32(__u32 word, unsigned int shift) - { - return (word << shift) | (word >> (32 - shift)); - } -@@ -115,7 +115,7 @@ static inline __u32 rol32(__u32 word, unsigned int shift) - * @word: value to rotate - * @shift: bits to roll - */ --static inline __u32 ror32(__u32 word, unsigned int shift) -+static inline __u32 __intentional_overflow(-1) ror32(__u32 word, unsigned int shift) - { - return (word >> shift) | (word << (32 - shift)); - } -@@ -171,7 +171,7 @@ static inline __s32 sign_extend32(__u32 value, int index) - return (__s32)(value << shift) >> shift; - } - --static inline unsigned fls_long(unsigned long l) -+static inline unsigned __intentional_overflow(-1) fls_long(unsigned long l) - { - if (sizeof(l) == 4) - return fls(l); -diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h -index 5d93a66..978c4a0 100644 ---- a/include/linux/blkdev.h -+++ b/include/linux/blkdev.h -@@ -1614,7 +1614,7 @@ struct block_device_operations { - /* this callback is with swap_lock and sometimes page table lock held */ - void (*swap_slot_free_notify) (struct block_device *, unsigned long); - struct module *owner; --}; -+} __do_const; - - extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int, - unsigned long); -diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h -index afc1343..9735539 100644 ---- a/include/linux/blktrace_api.h -+++ b/include/linux/blktrace_api.h -@@ -25,7 +25,7 @@ struct blk_trace { - struct dentry *dropped_file; - struct dentry *msg_file; - struct list_head running_list; -- atomic_t dropped; -+ atomic_unchecked_t dropped; - }; - - extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *); -diff --git a/include/linux/cache.h b/include/linux/cache.h -index 17e7e82..1d7da26 100644 ---- a/include/linux/cache.h -+++ b/include/linux/cache.h -@@ -16,6 +16,14 @@ - #define __read_mostly - #endif - -+#ifndef __read_only -+#ifdef CONFIG_PAX_KERNEXEC -+#error KERNEXEC requires __read_only -+#else -+#define __read_only __read_mostly -+#endif -+#endif -+ - #ifndef ____cacheline_aligned - #define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES))) - #endif -diff --git a/include/linux/capability.h b/include/linux/capability.h -index af9f0b9..71a5e5c 100644 ---- a/include/linux/capability.h -+++ b/include/linux/capability.h -@@ -237,15 +237,28 @@ static inline bool capable(int cap) - { - return true; - } -+static inline bool capable_nolog(int cap) -+{ -+ return true; -+} - static inline bool ns_capable(struct user_namespace *ns, int cap) - { - return true; - } -+static inline bool ns_capable_nolog(struct user_namespace *ns, int cap) -+{ -+ return true; -+} - #endif /* CONFIG_MULTIUSER */ - extern bool capable_wrt_inode_uidgid(const struct inode *inode, int cap); -+extern bool capable_wrt_inode_uidgid_nolog(const struct inode *inode, int cap); - extern bool file_ns_capable(const struct file *file, struct user_namespace *ns, int cap); -+extern bool capable_nolog(int cap); -+extern bool ns_capable_nolog(struct user_namespace *ns, int cap); - - /* audit system wants to get cap info from files as well */ - extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps); - -+extern int is_privileged_binary(const struct dentry *dentry); -+ - #endif /* !_LINUX_CAPABILITY_H */ -diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h -index 8609d57..86e4d79 100644 ---- a/include/linux/cdrom.h -+++ b/include/linux/cdrom.h -@@ -87,7 +87,6 @@ struct cdrom_device_ops { - - /* driver specifications */ - const int capability; /* capability flags */ -- int n_minors; /* number of active minor devices */ - /* handle uniform packets for scsi type devices (scsi,atapi) */ - int (*generic_packet) (struct cdrom_device_info *, - struct packet_command *); -diff --git a/include/linux/cleancache.h b/include/linux/cleancache.h -index bda5ec0b4..51d8ea1 100644 ---- a/include/linux/cleancache.h -+++ b/include/linux/cleancache.h -@@ -35,7 +35,7 @@ struct cleancache_ops { - void (*invalidate_page)(int, struct cleancache_filekey, pgoff_t); - void (*invalidate_inode)(int, struct cleancache_filekey); - void (*invalidate_fs)(int); --}; -+} __no_const; - - extern int cleancache_register_ops(struct cleancache_ops *ops); - extern void __cleancache_init_fs(struct super_block *); -diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h -index df69531..0180e68 100644 ---- a/include/linux/clk-provider.h -+++ b/include/linux/clk-provider.h -@@ -195,6 +195,7 @@ struct clk_ops { - void (*init)(struct clk_hw *hw); - int (*debug_init)(struct clk_hw *hw, struct dentry *dentry); - }; -+typedef struct clk_ops __no_const clk_ops_no_const; - - /** - * struct clk_init_data - holds init data that's common to all clocks and is -@@ -209,7 +210,7 @@ struct clk_ops { - struct clk_init_data { - const char *name; - const struct clk_ops *ops; -- const char **parent_names; -+ const char * const *parent_names; - u8 num_parents; - unsigned long flags; - }; -@@ -426,12 +427,12 @@ extern const struct clk_ops clk_mux_ops; - extern const struct clk_ops clk_mux_ro_ops; - - struct clk *clk_register_mux(struct device *dev, const char *name, -- const char **parent_names, u8 num_parents, unsigned long flags, -+ const char * const *parent_names, u8 num_parents, unsigned long flags, - void __iomem *reg, u8 shift, u8 width, - u8 clk_mux_flags, spinlock_t *lock); - - struct clk *clk_register_mux_table(struct device *dev, const char *name, -- const char **parent_names, u8 num_parents, unsigned long flags, -+ const char * const *parent_names, u8 num_parents, unsigned long flags, - void __iomem *reg, u8 shift, u32 mask, - u8 clk_mux_flags, u32 *table, spinlock_t *lock); - -diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h -index 94bad77..a39e810 100644 ---- a/include/linux/clkdev.h -+++ b/include/linux/clkdev.h -@@ -32,7 +32,7 @@ struct clk_lookup { - } - - struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, -- const char *dev_fmt, ...); -+ const char *dev_fmt, ...) __printf(3, 4); - - void clkdev_add(struct clk_lookup *cl); - void clkdev_drop(struct clk_lookup *cl); -@@ -40,7 +40,8 @@ void clkdev_drop(struct clk_lookup *cl); - void clkdev_add_table(struct clk_lookup *, size_t); - int clk_add_alias(const char *, const char *, char *, struct device *); - --int clk_register_clkdev(struct clk *, const char *, const char *, ...); -+int clk_register_clkdev(struct clk *, const char *, const char *, ...) -+ __printf(3, 4); - int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t); - - #ifdef CONFIG_COMMON_CLK -diff --git a/include/linux/compat.h b/include/linux/compat.h -index ab25814..63b52db 100644 ---- a/include/linux/compat.h -+++ b/include/linux/compat.h -@@ -316,7 +316,7 @@ compat_sys_get_robust_list(int pid, compat_uptr_t __user *head_ptr, - compat_size_t __user *len_ptr); - - asmlinkage long compat_sys_ipc(u32, int, int, u32, compat_uptr_t, u32); --asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg); -+asmlinkage long compat_sys_shmat(int shmid, compat_uptr_t shmaddr, int shmflg) __intentional_overflow(0); - asmlinkage long compat_sys_semctl(int semid, int semnum, int cmd, int arg); - asmlinkage long compat_sys_msgsnd(int msqid, compat_uptr_t msgp, - compat_ssize_t msgsz, int msgflg); -@@ -325,7 +325,7 @@ asmlinkage long compat_sys_msgrcv(int msqid, compat_uptr_t msgp, - long compat_sys_msgctl(int first, int second, void __user *uptr); - long compat_sys_shmctl(int first, int second, void __user *uptr); - long compat_sys_semtimedop(int semid, struct sembuf __user *tsems, -- unsigned nsems, const struct compat_timespec __user *timeout); -+ compat_long_t nsems, const struct compat_timespec __user *timeout); - asmlinkage long compat_sys_keyctl(u32 option, - u32 arg2, u32 arg3, u32 arg4, u32 arg5); - asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u32); -@@ -424,7 +424,7 @@ asmlinkage long compat_sys_settimeofday(struct compat_timeval __user *tv, - - asmlinkage long compat_sys_adjtimex(struct compat_timex __user *utp); - --extern int compat_printk(const char *fmt, ...); -+extern __printf(1, 2) int compat_printk(const char *fmt, ...); - extern void sigset_from_compat(sigset_t *set, const compat_sigset_t *compat); - extern void sigset_to_compat(compat_sigset_t *compat, const sigset_t *set); - -@@ -439,7 +439,7 @@ extern int compat_ptrace_request(struct task_struct *child, - extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, - compat_ulong_t addr, compat_ulong_t data); - asmlinkage long compat_sys_ptrace(compat_long_t request, compat_long_t pid, -- compat_long_t addr, compat_long_t data); -+ compat_ulong_t addr, compat_ulong_t data); - - asmlinkage long compat_sys_lookup_dcookie(u32, u32, char __user *, compat_size_t); - /* -diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h -index 371e560..e2e4e3e 100644 ---- a/include/linux/compiler-gcc.h -+++ b/include/linux/compiler-gcc.h -@@ -108,8 +108,8 @@ - */ - #define __pure __attribute__((pure)) - #define __aligned(x) __attribute__((aligned(x))) --#define __printf(a, b) __attribute__((format(printf, a, b))) --#define __scanf(a, b) __attribute__((format(scanf, a, b))) -+#define __printf(a, b) __attribute__((format(printf, a, b))) __nocapture(a, b) -+#define __scanf(a, b) __attribute__((format(scanf, a, b))) __nocapture(a, b) - #define noinline __attribute__((noinline)) - #define __attribute_const__ __attribute__((__const__)) - #define __maybe_unused __attribute__((unused)) -diff --git a/include/linux/compiler-gcc4.h b/include/linux/compiler-gcc4.h -index 769e198..7ee7cb5 100644 ---- a/include/linux/compiler-gcc4.h -+++ b/include/linux/compiler-gcc4.h -@@ -39,9 +39,38 @@ - # define __compiletime_warning(message) __attribute__((warning(message))) - # define __compiletime_error(message) __attribute__((error(message))) - #endif /* __CHECKER__ */ -+ -+#define __alloc_size(...) __attribute((alloc_size(__VA_ARGS__))) -+#define __bos(ptr, arg) __builtin_object_size((ptr), (arg)) -+#define __bos0(ptr) __bos((ptr), 0) -+#define __bos1(ptr) __bos((ptr), 1) - #endif /* GCC_VERSION >= 40300 */ - - #if GCC_VERSION >= 40500 -+ -+#ifdef RANDSTRUCT_PLUGIN -+#define __randomize_layout __attribute__((randomize_layout)) -+#define __no_randomize_layout __attribute__((no_randomize_layout)) -+#endif -+ -+#ifdef CONSTIFY_PLUGIN -+#define __no_const __attribute__((no_const)) -+#define __do_const __attribute__((do_const)) -+#endif -+ -+#ifdef SIZE_OVERFLOW_PLUGIN -+#define __size_overflow(...) __attribute__((size_overflow(__VA_ARGS__))) -+#define __intentional_overflow(...) __attribute__((intentional_overflow(__VA_ARGS__))) -+#endif -+ -+#ifdef LATENT_ENTROPY_PLUGIN -+#define __latent_entropy __attribute__((latent_entropy)) -+#endif -+ -+#ifdef INITIFY_PLUGIN -+#define __nocapture(...) __attribute__((nocapture(__VA_ARGS__))) -+#endif -+ - /* - * Mark a position in code as unreachable. This can be used to - * suppress control flow warnings after asm blocks that transfer -diff --git a/include/linux/compiler-gcc5.h b/include/linux/compiler-gcc5.h -index efee493..8aa8f6b 100644 ---- a/include/linux/compiler-gcc5.h -+++ b/include/linux/compiler-gcc5.h -@@ -28,6 +28,34 @@ - # define __compiletime_error(message) __attribute__((error(message))) - #endif /* __CHECKER__ */ - -+#define __alloc_size(...) __attribute((alloc_size(__VA_ARGS__))) -+#define __bos(ptr, arg) __builtin_object_size((ptr), (arg)) -+#define __bos0(ptr) __bos((ptr), 0) -+#define __bos1(ptr) __bos((ptr), 1) -+ -+#ifdef RANDSTRUCT_PLUGIN -+#define __randomize_layout __attribute__((randomize_layout)) -+#define __no_randomize_layout __attribute__((no_randomize_layout)) -+#endif -+ -+#ifdef CONSTIFY_PLUGIN -+#define __no_const __attribute__((no_const)) -+#define __do_const __attribute__((do_const)) -+#endif -+ -+#ifdef SIZE_OVERFLOW_PLUGIN -+#define __size_overflow(...) __attribute__((size_overflow(__VA_ARGS__))) -+#define __intentional_overflow(...) __attribute__((intentional_overflow(__VA_ARGS__))) -+#endif -+ -+#ifdef LATENT_ENTROPY_PLUGIN -+#define __latent_entropy __attribute__((latent_entropy)) -+#endif -+ -+#ifdef INITIFY_PLUGIN -+#define __nocapture(...) __attribute__((nocapture(__VA_ARGS__))) -+#endif -+ - /* - * Mark a position in code as unreachable. This can be used to - * suppress control flow warnings after asm blocks that transfer -diff --git a/include/linux/compiler.h b/include/linux/compiler.h -index 8677225..2d49df1 100644 ---- a/include/linux/compiler.h -+++ b/include/linux/compiler.h -@@ -5,11 +5,14 @@ - - #ifdef __CHECKER__ - # define __user __attribute__((noderef, address_space(1))) -+# define __force_user __force __user - # define __kernel __attribute__((address_space(0))) -+# define __force_kernel __force __kernel - # define __safe __attribute__((safe)) - # define __force __attribute__((force)) - # define __nocast __attribute__((nocast)) - # define __iomem __attribute__((noderef, address_space(2))) -+# define __force_iomem __force __iomem - # define __must_hold(x) __attribute__((context(x,1,1))) - # define __acquires(x) __attribute__((context(x,0,1))) - # define __releases(x) __attribute__((context(x,1,0))) -@@ -17,20 +20,37 @@ - # define __release(x) __context__(x,-1) - # define __cond_lock(x,c) ((c) ? ({ __acquire(x); 1; }) : 0) - # define __percpu __attribute__((noderef, address_space(3))) -+# define __force_percpu __force __percpu - #ifdef CONFIG_SPARSE_RCU_POINTER - # define __rcu __attribute__((noderef, address_space(4))) -+# define __force_rcu __force __rcu - #else - # define __rcu -+# define __force_rcu - #endif - extern void __chk_user_ptr(const volatile void __user *); - extern void __chk_io_ptr(const volatile void __iomem *); - #else --# define __user --# define __kernel -+# ifdef CHECKER_PLUGIN -+//# define __user -+//# define __force_user -+//# define __kernel -+//# define __force_kernel -+# else -+# ifdef STRUCTLEAK_PLUGIN -+# define __user __attribute__((user)) -+# else -+# define __user -+# endif -+# define __force_user -+# define __kernel -+# define __force_kernel -+# endif - # define __safe - # define __force - # define __nocast - # define __iomem -+# define __force_iomem - # define __chk_user_ptr(x) (void)0 - # define __chk_io_ptr(x) (void)0 - # define __builtin_warning(x, y...) (1) -@@ -41,7 +61,9 @@ extern void __chk_io_ptr(const volatile void __iomem *); - # define __release(x) (void)0 - # define __cond_lock(x,c) (c) - # define __percpu -+# define __force_percpu - # define __rcu -+# define __force_rcu - #endif - - /* Indirect macros required for expanded argument pasting, eg. __LINE__. */ -@@ -199,27 +221,27 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); - static __always_inline void __read_once_size(const volatile void *p, void *res, int size) - { - switch (size) { -- case 1: *(__u8 *)res = *(volatile __u8 *)p; break; -- case 2: *(__u16 *)res = *(volatile __u16 *)p; break; -- case 4: *(__u32 *)res = *(volatile __u32 *)p; break; -- case 8: *(__u64 *)res = *(volatile __u64 *)p; break; -+ case 1: *(__u8 *)res = *(const volatile __u8 *)p; break; -+ case 2: *(__u16 *)res = *(const volatile __u16 *)p; break; -+ case 4: *(__u32 *)res = *(const volatile __u32 *)p; break; -+ case 8: *(__u64 *)res = *(const volatile __u64 *)p; break; - default: - barrier(); -- __builtin_memcpy((void *)res, (const void *)p, size); -+ __builtin_memcpy(res, (const void *)p, size); - barrier(); - } - } - --static __always_inline void __write_once_size(volatile void *p, void *res, int size) -+static __always_inline void __write_once_size(volatile void *p, const void *res, int size) - { - switch (size) { -- case 1: *(volatile __u8 *)p = *(__u8 *)res; break; -- case 2: *(volatile __u16 *)p = *(__u16 *)res; break; -- case 4: *(volatile __u32 *)p = *(__u32 *)res; break; -- case 8: *(volatile __u64 *)p = *(__u64 *)res; break; -+ case 1: *(volatile __u8 *)p = *(const __u8 *)res; break; -+ case 2: *(volatile __u16 *)p = *(const __u16 *)res; break; -+ case 4: *(volatile __u32 *)p = *(const __u32 *)res; break; -+ case 8: *(volatile __u64 *)p = *(const __u64 *)res; break; - default: - barrier(); -- __builtin_memcpy((void *)p, (const void *)res, size); -+ __builtin_memcpy((void *)p, res, size); - barrier(); - } - } -@@ -352,6 +374,38 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s - # define __attribute_const__ /* unimplemented */ - #endif - -+#ifndef __randomize_layout -+# define __randomize_layout -+#endif -+ -+#ifndef __no_randomize_layout -+# define __no_randomize_layout -+#endif -+ -+#ifndef __no_const -+# define __no_const -+#endif -+ -+#ifndef __do_const -+# define __do_const -+#endif -+ -+#ifndef __size_overflow -+# define __size_overflow(...) -+#endif -+ -+#ifndef __intentional_overflow -+# define __intentional_overflow(...) -+#endif -+ -+#ifndef __latent_entropy -+# define __latent_entropy -+#endif -+ -+#ifndef __nocapture -+# define __nocapture(...) -+#endif -+ - /* - * Tell gcc if a function is cold. The compiler will assume any path - * directly leading to the call is unlikely. -@@ -361,6 +415,22 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s - #define __cold - #endif - -+#ifndef __alloc_size -+#define __alloc_size(...) -+#endif -+ -+#ifndef __bos -+#define __bos(ptr, arg) -+#endif -+ -+#ifndef __bos0 -+#define __bos0(ptr) -+#endif -+ -+#ifndef __bos1 -+#define __bos1(ptr) -+#endif -+ - /* Simple shorthand for a section definition */ - #ifndef __section - # define __section(S) __attribute__ ((__section__(#S))) -@@ -375,6 +445,8 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s - # define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) - #endif - -+#define __type_is_unsigned(t) (__same_type((t)0, 0UL) || __same_type((t)0, 0U) || __same_type((t)0, (unsigned short)0) || __same_type((t)0, (unsigned char)0)) -+ - /* Is this type a native word size -- useful for atomic operations */ - #ifndef __native_word - # define __native_word(t) (sizeof(t) == sizeof(char) || sizeof(t) == sizeof(short) || sizeof(t) == sizeof(int) || sizeof(t) == sizeof(long)) -@@ -454,8 +526,9 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s - */ - #define __ACCESS_ONCE(x) ({ \ - __maybe_unused typeof(x) __var = (__force typeof(x)) 0; \ -- (volatile typeof(x) *)&(x); }) -+ (volatile const typeof(x) *)&(x); }) - #define ACCESS_ONCE(x) (*__ACCESS_ONCE(x)) -+#define ACCESS_ONCE_RW(x) (*(volatile typeof(x) *)&(x)) - - /* Ignore/forbid kprobes attach on very low level functions marked by this attribute: */ - #ifdef CONFIG_KPROBES -diff --git a/include/linux/completion.h b/include/linux/completion.h -index 5d5aaae..0ea9b84 100644 ---- a/include/linux/completion.h -+++ b/include/linux/completion.h -@@ -90,16 +90,16 @@ static inline void reinit_completion(struct completion *x) - - extern void wait_for_completion(struct completion *); - extern void wait_for_completion_io(struct completion *); --extern int wait_for_completion_interruptible(struct completion *x); --extern int wait_for_completion_killable(struct completion *x); -+extern int wait_for_completion_interruptible(struct completion *x) __intentional_overflow(-1); -+extern int wait_for_completion_killable(struct completion *x) __intentional_overflow(-1); - extern unsigned long wait_for_completion_timeout(struct completion *x, -- unsigned long timeout); -+ unsigned long timeout) __intentional_overflow(-1); - extern unsigned long wait_for_completion_io_timeout(struct completion *x, -- unsigned long timeout); -+ unsigned long timeout) __intentional_overflow(-1); - extern long wait_for_completion_interruptible_timeout( -- struct completion *x, unsigned long timeout); -+ struct completion *x, unsigned long timeout) __intentional_overflow(-1); - extern long wait_for_completion_killable_timeout( -- struct completion *x, unsigned long timeout); -+ struct completion *x, unsigned long timeout) __intentional_overflow(-1); - extern bool try_wait_for_completion(struct completion *x); - extern bool completion_done(struct completion *x); - -diff --git a/include/linux/configfs.h b/include/linux/configfs.h -index 34025df..9c263df 100644 ---- a/include/linux/configfs.h -+++ b/include/linux/configfs.h -@@ -64,7 +64,8 @@ struct config_item { - struct dentry *ci_dentry; - }; - --extern int config_item_set_name(struct config_item *, const char *, ...); -+extern __printf(2, 3) -+int config_item_set_name(struct config_item *, const char *, ...); - - static inline char *config_item_name(struct config_item * item) - { -@@ -125,7 +126,7 @@ struct configfs_attribute { - const char *ca_name; - struct module *ca_owner; - umode_t ca_mode; --}; -+} __do_const; - - /* - * Users often need to create attribute structures for their configurable -diff --git a/include/linux/cpu.h b/include/linux/cpu.h -index c0fb6b1..23c30bd 100644 ---- a/include/linux/cpu.h -+++ b/include/linux/cpu.h -@@ -40,9 +40,10 @@ extern void cpu_remove_dev_attr(struct device_attribute *attr); - extern int cpu_add_dev_attr_group(struct attribute_group *attrs); - extern void cpu_remove_dev_attr_group(struct attribute_group *attrs); - --extern struct device *cpu_device_create(struct device *parent, void *drvdata, -- const struct attribute_group **groups, -- const char *fmt, ...); -+extern __printf(4, 5) -+struct device *cpu_device_create(struct device *parent, void *drvdata, -+ const struct attribute_group **groups, -+ const char *fmt, ...); - #ifdef CONFIG_HOTPLUG_CPU - extern void unregister_cpu(struct cpu *cpu); - extern ssize_t arch_cpu_probe(const char *, size_t); -diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h -index 2ee4888..0451f5e 100644 ---- a/include/linux/cpufreq.h -+++ b/include/linux/cpufreq.h -@@ -207,6 +207,7 @@ struct global_attr { - ssize_t (*store)(struct kobject *a, struct attribute *b, - const char *c, size_t count); - }; -+typedef struct global_attr __no_const global_attr_no_const; - - #define define_one_global_ro(_name) \ - static struct global_attr _name = \ -@@ -278,7 +279,7 @@ struct cpufreq_driver { - bool boost_supported; - bool boost_enabled; - int (*set_boost)(int state); --}; -+} __do_const; - - /* flags */ - #define CPUFREQ_STICKY (1 << 0) /* driver isn't removed even if -diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h -index 9c5e892..feb34e0 100644 ---- a/include/linux/cpuidle.h -+++ b/include/linux/cpuidle.h -@@ -59,7 +59,8 @@ struct cpuidle_state { - void (*enter_freeze) (struct cpuidle_device *dev, - struct cpuidle_driver *drv, - int index); --}; -+} __do_const; -+typedef struct cpuidle_state __no_const cpuidle_state_no_const; - - /* Idle State Flags */ - #define CPUIDLE_FLAG_COUPLED (0x02) /* state applies to multiple cpus */ -@@ -227,7 +228,7 @@ struct cpuidle_governor { - void (*reflect) (struct cpuidle_device *dev, int index); - - struct module *owner; --}; -+} __do_const; - - #ifdef CONFIG_CPU_IDLE - extern int cpuidle_register_governor(struct cpuidle_governor *gov); -diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h -index 59915ea..81ebec0 100644 ---- a/include/linux/cpumask.h -+++ b/include/linux/cpumask.h -@@ -127,17 +127,17 @@ static inline unsigned int cpumask_first(const struct cpumask *srcp) - } - - /* Valid inputs for n are -1 and 0. */ --static inline unsigned int cpumask_next(int n, const struct cpumask *srcp) -+static inline unsigned int __intentional_overflow(-1) cpumask_next(int n, const struct cpumask *srcp) - { - return n+1; - } - --static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp) -+static inline unsigned int __intentional_overflow(-1) cpumask_next_zero(int n, const struct cpumask *srcp) - { - return n+1; - } - --static inline unsigned int cpumask_next_and(int n, -+static inline unsigned int __intentional_overflow(-1) cpumask_next_and(int n, - const struct cpumask *srcp, - const struct cpumask *andp) - { -@@ -181,7 +181,7 @@ static inline unsigned int cpumask_first(const struct cpumask *srcp) - * - * Returns >= nr_cpu_ids if no further cpus set. - */ --static inline unsigned int cpumask_next(int n, const struct cpumask *srcp) -+static inline unsigned int __intentional_overflow(-1) cpumask_next(int n, const struct cpumask *srcp) - { - /* -1 is a legal arg here. */ - if (n != -1) -@@ -196,7 +196,7 @@ static inline unsigned int cpumask_next(int n, const struct cpumask *srcp) - * - * Returns >= nr_cpu_ids if no further cpus unset. - */ --static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp) -+static inline unsigned int __intentional_overflow(-1) cpumask_next_zero(int n, const struct cpumask *srcp) - { - /* -1 is a legal arg here. */ - if (n != -1) -@@ -204,7 +204,7 @@ static inline unsigned int cpumask_next_zero(int n, const struct cpumask *srcp) - return find_next_zero_bit(cpumask_bits(srcp), nr_cpumask_bits, n+1); - } - --int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *); -+int cpumask_next_and(int n, const struct cpumask *, const struct cpumask *) __intentional_overflow(-1); - int cpumask_any_but(const struct cpumask *mask, unsigned int cpu); - unsigned int cpumask_local_spread(unsigned int i, int node); - -@@ -471,7 +471,7 @@ static inline bool cpumask_full(const struct cpumask *srcp) - * cpumask_weight - Count of bits in *srcp - * @srcp: the cpumask to count bits (< nr_cpu_ids) in. - */ --static inline unsigned int cpumask_weight(const struct cpumask *srcp) -+static inline unsigned int __intentional_overflow(-1) cpumask_weight(const struct cpumask *srcp) - { - return bitmap_weight(cpumask_bits(srcp), nr_cpumask_bits); - } -diff --git a/include/linux/cred.h b/include/linux/cred.h -index 8b6c083..51cb9f5 100644 ---- a/include/linux/cred.h -+++ b/include/linux/cred.h -@@ -35,7 +35,7 @@ struct group_info { - int nblocks; - kgid_t small_block[NGROUPS_SMALL]; - kgid_t *blocks[0]; --}; -+} __randomize_layout; - - /** - * get_group_info - Get a reference to a group info structure -@@ -152,7 +152,7 @@ struct cred { - struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */ - struct group_info *group_info; /* supplementary groups for euid/fsgid */ - struct rcu_head rcu; /* RCU deletion hook */ --}; -+} __randomize_layout; - - extern void __put_cred(struct cred *); - extern void exit_creds(struct task_struct *); -@@ -210,6 +210,9 @@ static inline void validate_creds_for_do_exit(struct task_struct *tsk) - static inline void validate_process_creds(void) - { - } -+static inline void validate_task_creds(struct task_struct *task) -+{ -+} - #endif - - /** -@@ -347,6 +350,7 @@ static inline void put_cred(const struct cred *_cred) - - #define task_uid(task) (task_cred_xxx((task), uid)) - #define task_euid(task) (task_cred_xxx((task), euid)) -+#define task_securebits(task) (task_cred_xxx((task), securebits)) - - #define current_cred_xxx(xxx) \ - ({ \ -diff --git a/include/linux/crypto.h b/include/linux/crypto.h -index 10df5d2..503d678 100644 ---- a/include/linux/crypto.h -+++ b/include/linux/crypto.h -@@ -632,7 +632,7 @@ struct cipher_tfm { - const u8 *key, unsigned int keylen); - void (*cit_encrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); - void (*cit_decrypt_one)(struct crypto_tfm *tfm, u8 *dst, const u8 *src); --}; -+} __no_const; - - struct hash_tfm { - int (*init)(struct hash_desc *desc); -@@ -653,13 +653,13 @@ struct compress_tfm { - int (*cot_decompress)(struct crypto_tfm *tfm, - const u8 *src, unsigned int slen, - u8 *dst, unsigned int *dlen); --}; -+} __no_const; - - struct rng_tfm { - int (*rng_gen_random)(struct crypto_rng *tfm, u8 *rdata, - unsigned int dlen); - int (*rng_reset)(struct crypto_rng *tfm, u8 *seed, unsigned int slen); --}; -+} __no_const; - - #define crt_ablkcipher crt_u.ablkcipher - #define crt_aead crt_u.aead -diff --git a/include/linux/ctype.h b/include/linux/ctype.h -index 653589e..4ef254a 100644 ---- a/include/linux/ctype.h -+++ b/include/linux/ctype.h -@@ -56,7 +56,7 @@ static inline unsigned char __toupper(unsigned char c) - * Fast implementation of tolower() for internal usage. Do not use in your - * code. - */ --static inline char _tolower(const char c) -+static inline unsigned char _tolower(const unsigned char c) - { - return c | 0x20; - } -diff --git a/include/linux/dcache.h b/include/linux/dcache.h -index df334cb..e730faa 100644 ---- a/include/linux/dcache.h -+++ b/include/linux/dcache.h -@@ -123,6 +123,9 @@ struct dentry { - unsigned long d_time; /* used by d_revalidate */ - void *d_fsdata; /* fs-specific data */ - -+#ifdef CONFIG_GRKERNSEC_CHROOT_RENAME -+ atomic_t chroot_refcnt; /* tracks use of directory in chroot */ -+#endif - struct list_head d_lru; /* LRU list */ - struct list_head d_child; /* child of parent list */ - struct list_head d_subdirs; /* our children */ -@@ -133,7 +136,7 @@ struct dentry { - struct hlist_node d_alias; /* inode alias list */ - struct rcu_head d_rcu; - } d_u; --}; -+} __randomize_layout; - - /* - * dentry->d_lock spinlock nesting subclasses: -@@ -319,13 +322,14 @@ extern struct dentry *__d_lookup_rcu(const struct dentry *parent, - - static inline unsigned d_count(const struct dentry *dentry) - { -- return dentry->d_lockref.count; -+ return __lockref_read(&dentry->d_lockref); - } - - /* - * helper function for dentry_operations.d_dname() members - */ --extern char *dynamic_dname(struct dentry *, char *, int, const char *, ...); -+extern __printf(4, 5) -+char *dynamic_dname(struct dentry *, char *, int, const char *, ...); - extern char *simple_dname(struct dentry *, char *, int); - - extern char *__d_path(const struct path *, const struct path *, char *, int); -@@ -347,7 +351,7 @@ extern char *dentry_path(struct dentry *, char *, int); - static inline struct dentry *dget_dlock(struct dentry *dentry) - { - if (dentry) -- dentry->d_lockref.count++; -+ __lockref_inc(&dentry->d_lockref); - return dentry; - } - -diff --git a/include/linux/decompress/mm.h b/include/linux/decompress/mm.h -index 7925bf0..d5143d2 100644 ---- a/include/linux/decompress/mm.h -+++ b/include/linux/decompress/mm.h -@@ -77,7 +77,7 @@ static void free(void *where) - * warnings when not needed (indeed large_malloc / large_free are not - * needed by inflate */ - --#define malloc(a) kmalloc(a, GFP_KERNEL) -+#define malloc(a) kmalloc((a), GFP_KERNEL) - #define free(a) kfree(a) - - #define large_malloc(a) vmalloc(a) -diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h -index ce447f0..83c66bd 100644 ---- a/include/linux/devfreq.h -+++ b/include/linux/devfreq.h -@@ -114,7 +114,7 @@ struct devfreq_governor { - int (*get_target_freq)(struct devfreq *this, unsigned long *freq); - int (*event_handler)(struct devfreq *devfreq, - unsigned int event, void *data); --}; -+} __do_const; - - /** - * struct devfreq - Device devfreq structure -diff --git a/include/linux/device.h b/include/linux/device.h -index 6558af9..48bce1a 100644 ---- a/include/linux/device.h -+++ b/include/linux/device.h -@@ -312,7 +312,7 @@ struct subsys_interface { - struct list_head node; - int (*add_dev)(struct device *dev, struct subsys_interface *sif); - int (*remove_dev)(struct device *dev, struct subsys_interface *sif); --}; -+} __do_const; - - int subsys_interface_register(struct subsys_interface *sif); - void subsys_interface_unregister(struct subsys_interface *sif); -@@ -508,7 +508,7 @@ struct device_type { - void (*release)(struct device *dev); - - const struct dev_pm_ops *pm; --}; -+} __do_const; - - /* interface for exporting device attributes */ - struct device_attribute { -@@ -518,11 +518,12 @@ struct device_attribute { - ssize_t (*store)(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count); - }; -+typedef struct device_attribute __no_const device_attribute_no_const; - - struct dev_ext_attribute { - struct device_attribute attr; - void *var; --}; -+} __do_const; - - ssize_t device_show_ulong(struct device *dev, struct device_attribute *attr, - char *buf); -@@ -607,8 +608,9 @@ extern int devres_release_group(struct device *dev, void *id); - - /* managed devm_k.alloc/kfree for device drivers */ - extern void *devm_kmalloc(struct device *dev, size_t size, gfp_t gfp); --extern char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, -- va_list ap); -+extern __printf(3, 0) -+char *devm_kvasprintf(struct device *dev, gfp_t gfp, const char *fmt, -+ va_list ap); - extern __printf(3, 4) - char *devm_kasprintf(struct device *dev, gfp_t gfp, const char *fmt, ...); - static inline void *devm_kzalloc(struct device *dev, size_t size, gfp_t gfp) -@@ -980,12 +982,10 @@ extern int __must_check device_reprobe(struct device *dev); - /* - * Easy functions for dynamically creating devices on the fly - */ --extern struct device *device_create_vargs(struct class *cls, -- struct device *parent, -- dev_t devt, -- void *drvdata, -- const char *fmt, -- va_list vargs); -+extern __printf(5, 0) -+struct device *device_create_vargs(struct class *cls, struct device *parent, -+ dev_t devt, void *drvdata, -+ const char *fmt, va_list vargs); - extern __printf(5, 6) - struct device *device_create(struct class *cls, struct device *parent, - dev_t devt, void *drvdata, -diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h -index ac07ff0..edff186 100644 ---- a/include/linux/dma-mapping.h -+++ b/include/linux/dma-mapping.h -@@ -64,7 +64,7 @@ struct dma_map_ops { - u64 (*get_required_mask)(struct device *dev); - #endif - int is_phys; --}; -+} __do_const; - - #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) - -diff --git a/include/linux/efi.h b/include/linux/efi.h -index af5be03..d8a6ae2 100644 ---- a/include/linux/efi.h -+++ b/include/linux/efi.h -@@ -1057,6 +1057,7 @@ struct efivar_operations { - efi_set_variable_nonblocking_t *set_variable_nonblocking; - efi_query_variable_store_t *query_variable_store; - }; -+typedef struct efivar_operations __no_const efivar_operations_no_const; - - struct efivars { - /* -diff --git a/include/linux/elf.h b/include/linux/elf.h -index 20fa8d8..3d0dd18 100644 ---- a/include/linux/elf.h -+++ b/include/linux/elf.h -@@ -29,6 +29,7 @@ extern Elf32_Dyn _DYNAMIC []; - #define elf_note elf32_note - #define elf_addr_t Elf32_Off - #define Elf_Half Elf32_Half -+#define elf_dyn Elf32_Dyn - - #else - -@@ -39,6 +40,7 @@ extern Elf64_Dyn _DYNAMIC []; - #define elf_note elf64_note - #define elf_addr_t Elf64_Off - #define Elf_Half Elf64_Half -+#define elf_dyn Elf64_Dyn - - #endif - -diff --git a/include/linux/err.h b/include/linux/err.h -index a729120..6ede2c9 100644 ---- a/include/linux/err.h -+++ b/include/linux/err.h -@@ -20,12 +20,12 @@ - - #define IS_ERR_VALUE(x) unlikely((x) >= (unsigned long)-MAX_ERRNO) - --static inline void * __must_check ERR_PTR(long error) -+static inline void * __must_check __intentional_overflow(-1) ERR_PTR(long error) - { - return (void *) error; - } - --static inline long __must_check PTR_ERR(__force const void *ptr) -+static inline long __must_check __intentional_overflow(-1) PTR_ERR(__force const void *ptr) - { - return (long) ptr; - } -diff --git a/include/linux/extcon.h b/include/linux/extcon.h -index 36f49c4..a2a1f4c 100644 ---- a/include/linux/extcon.h -+++ b/include/linux/extcon.h -@@ -135,7 +135,7 @@ struct extcon_dev { - /* /sys/class/extcon/.../mutually_exclusive/... */ - struct attribute_group attr_g_muex; - struct attribute **attrs_muex; -- struct device_attribute *d_attrs_muex; -+ device_attribute_no_const *d_attrs_muex; - }; - - /** -diff --git a/include/linux/fb.h b/include/linux/fb.h -index 043f328..180ccbf 100644 ---- a/include/linux/fb.h -+++ b/include/linux/fb.h -@@ -305,7 +305,8 @@ struct fb_ops { - /* called at KDB enter and leave time to prepare the console */ - int (*fb_debug_enter)(struct fb_info *info); - int (*fb_debug_leave)(struct fb_info *info); --}; -+} __do_const; -+typedef struct fb_ops __no_const fb_ops_no_const; - - #ifdef CONFIG_FB_TILEBLITTING - #define FB_TILE_CURSOR_NONE 0 -diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h -index 230f87b..1fd0485 100644 ---- a/include/linux/fdtable.h -+++ b/include/linux/fdtable.h -@@ -100,7 +100,7 @@ struct files_struct *get_files_struct(struct task_struct *); - void put_files_struct(struct files_struct *fs); - void reset_files_struct(struct files_struct *); - int unshare_files(struct files_struct **); --struct files_struct *dup_fd(struct files_struct *, int *); -+struct files_struct *dup_fd(struct files_struct *, int *) __latent_entropy; - void do_close_on_exec(struct files_struct *); - int iterate_fd(struct files_struct *, unsigned, - int (*)(const void *, struct file *, unsigned), -diff --git a/include/linux/frontswap.h b/include/linux/frontswap.h -index 8293262..2b3b8bd 100644 ---- a/include/linux/frontswap.h -+++ b/include/linux/frontswap.h -@@ -11,7 +11,7 @@ struct frontswap_ops { - int (*load)(unsigned, pgoff_t, struct page *); - void (*invalidate_page)(unsigned, pgoff_t); - void (*invalidate_area)(unsigned); --}; -+} __no_const; - - extern bool frontswap_enabled; - extern struct frontswap_ops * -diff --git a/include/linux/fs.h b/include/linux/fs.h -index 571aab9..03a5b06 100644 ---- a/include/linux/fs.h -+++ b/include/linux/fs.h -@@ -437,7 +437,7 @@ struct address_space { - spinlock_t private_lock; /* for use by the address_space */ - struct list_head private_list; /* ditto */ - void *private_data; /* ditto */ --} __attribute__((aligned(sizeof(long)))); -+} __attribute__((aligned(sizeof(long)))) __randomize_layout; - /* - * On most architectures that alignment is already the case; but - * must be enforced here for CRIS, to let the least significant bit -@@ -480,7 +480,7 @@ struct block_device { - int bd_fsfreeze_count; - /* Mutex for freeze */ - struct mutex bd_fsfreeze_mutex; --}; -+} __randomize_layout; - - /* - * Radix-tree tags, for tagging dirty and writeback pages within the pagecache -@@ -666,7 +666,7 @@ struct inode { - #endif - - void *i_private; /* fs or device private pointer */ --}; -+} __randomize_layout; - - static inline int inode_unhashed(struct inode *inode) - { -@@ -861,7 +861,7 @@ struct file { - struct list_head f_tfile_llink; - #endif /* #ifdef CONFIG_EPOLL */ - struct address_space *f_mapping; --} __attribute__((aligned(4))); /* lest something weird decides that 2 is OK */ -+} __attribute__((aligned(4))) __randomize_layout; /* lest something weird decides that 2 is OK */ - - struct file_handle { - __u32 handle_bytes; -@@ -990,7 +990,7 @@ struct file_lock { - int state; /* state of grant or error if -ve */ - } afs; - } fl_u; --}; -+} __randomize_layout; - - struct file_lock_context { - spinlock_t flc_lock; -@@ -1351,7 +1351,7 @@ struct super_block { - * Indicates how deep in a filesystem stack this SB is - */ - int s_stack_depth; --}; -+} __randomize_layout; - - extern struct timespec current_fs_time(struct super_block *sb); - -@@ -1603,7 +1603,8 @@ struct file_operations { - #ifndef CONFIG_MMU - unsigned (*mmap_capabilities)(struct file *); - #endif --}; -+} __do_const __randomize_layout; -+typedef struct file_operations __no_const file_operations_no_const; - - struct inode_operations { - struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); -@@ -2303,7 +2304,7 @@ extern int register_chrdev_region(dev_t, unsigned, const char *); - extern int __register_chrdev(unsigned int major, unsigned int baseminor, - unsigned int count, const char *name, - const struct file_operations *fops); --extern void __unregister_chrdev(unsigned int major, unsigned int baseminor, -+extern __nocapture(4) void __unregister_chrdev(unsigned int major, unsigned int baseminor, - unsigned int count, const char *name); - extern void unregister_chrdev_region(dev_t, unsigned); - extern void chrdev_show(struct seq_file *,off_t); -@@ -2989,4 +2990,14 @@ static inline bool dir_relax(struct inode *inode) - return !IS_DEADDIR(inode); - } - -+static inline bool is_sidechannel_device(const struct inode *inode) -+{ -+#ifdef CONFIG_GRKERNSEC_DEVICE_SIDECHANNEL -+ umode_t mode = inode->i_mode; -+ return ((S_ISCHR(mode) || S_ISBLK(mode)) && (mode & (S_IROTH | S_IWOTH))); -+#else -+ return false; -+#endif -+} -+ - #endif /* _LINUX_FS_H */ -diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h -index 0efc3e6..fd23610 100644 ---- a/include/linux/fs_struct.h -+++ b/include/linux/fs_struct.h -@@ -6,13 +6,13 @@ - #include <linux/seqlock.h> - - struct fs_struct { -- int users; -+ atomic_t users; - spinlock_t lock; - seqcount_t seq; - int umask; - int in_exec; - struct path root, pwd; --}; -+} __randomize_layout; - - extern struct kmem_cache *fs_cachep; - -diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h -index 7714849..a4a5c7a 100644 ---- a/include/linux/fscache-cache.h -+++ b/include/linux/fscache-cache.h -@@ -113,7 +113,7 @@ struct fscache_operation { - fscache_operation_release_t release; - }; - --extern atomic_t fscache_op_debug_id; -+extern atomic_unchecked_t fscache_op_debug_id; - extern void fscache_op_work_func(struct work_struct *work); - - extern void fscache_enqueue_operation(struct fscache_operation *); -@@ -135,7 +135,7 @@ static inline void fscache_operation_init(struct fscache_operation *op, - INIT_WORK(&op->work, fscache_op_work_func); - atomic_set(&op->usage, 1); - op->state = FSCACHE_OP_ST_INITIALISED; -- op->debug_id = atomic_inc_return(&fscache_op_debug_id); -+ op->debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id); - op->processor = processor; - op->release = release; - INIT_LIST_HEAD(&op->pend_link); -diff --git a/include/linux/fscache.h b/include/linux/fscache.h -index 115bb81..e7b812b 100644 ---- a/include/linux/fscache.h -+++ b/include/linux/fscache.h -@@ -152,7 +152,7 @@ struct fscache_cookie_def { - * - this is mandatory for any object that may have data - */ - void (*now_uncached)(void *cookie_netfs_data); --}; -+} __do_const; - - /* - * fscache cached network filesystem type -diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h -index 7ee1774..72505b8 100644 ---- a/include/linux/fsnotify.h -+++ b/include/linux/fsnotify.h -@@ -197,6 +197,9 @@ static inline void fsnotify_access(struct file *file) - struct inode *inode = file_inode(file); - __u32 mask = FS_ACCESS; - -+ if (is_sidechannel_device(inode)) -+ return; -+ - if (S_ISDIR(inode->i_mode)) - mask |= FS_ISDIR; - -@@ -215,6 +218,9 @@ static inline void fsnotify_modify(struct file *file) - struct inode *inode = file_inode(file); - __u32 mask = FS_MODIFY; - -+ if (is_sidechannel_device(inode)) -+ return; -+ - if (S_ISDIR(inode->i_mode)) - mask |= FS_ISDIR; - -@@ -317,7 +323,7 @@ static inline void fsnotify_change(struct dentry *dentry, unsigned int ia_valid) - */ - static inline const unsigned char *fsnotify_oldname_init(const unsigned char *name) - { -- return kstrdup(name, GFP_KERNEL); -+ return (const unsigned char *)kstrdup((const char *)name, GFP_KERNEL); - } - - /* -diff --git a/include/linux/genhd.h b/include/linux/genhd.h -index ec274e0..e678159 100644 ---- a/include/linux/genhd.h -+++ b/include/linux/genhd.h -@@ -194,7 +194,7 @@ struct gendisk { - struct kobject *slave_dir; - - struct timer_rand_state *random; -- atomic_t sync_io; /* RAID */ -+ atomic_unchecked_t sync_io; /* RAID */ - struct disk_events *ev; - #ifdef CONFIG_BLK_DEV_INTEGRITY - struct blk_integrity *integrity; -@@ -435,7 +435,7 @@ extern void disk_flush_events(struct gendisk *disk, unsigned int mask); - extern unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask); - - /* drivers/char/random.c */ --extern void add_disk_randomness(struct gendisk *disk); -+extern void add_disk_randomness(struct gendisk *disk) __latent_entropy; - extern void rand_initialize_disk(struct gendisk *disk); - - static inline sector_t get_start_sect(struct block_device *bdev) -diff --git a/include/linux/genl_magic_func.h b/include/linux/genl_magic_func.h -index 667c311..abac2a7 100644 ---- a/include/linux/genl_magic_func.h -+++ b/include/linux/genl_magic_func.h -@@ -246,7 +246,7 @@ const char *CONCAT_(GENL_MAGIC_FAMILY, _genl_cmd_to_str)(__u8 cmd) - }, - - #define ZZZ_genl_ops CONCAT_(GENL_MAGIC_FAMILY, _genl_ops) --static struct genl_ops ZZZ_genl_ops[] __read_mostly = { -+static struct genl_ops ZZZ_genl_ops[] = { - #include GENL_MAGIC_INCLUDE_FILE - }; - -diff --git a/include/linux/gfp.h b/include/linux/gfp.h -index 15928f0..90b31d7 100644 ---- a/include/linux/gfp.h -+++ b/include/linux/gfp.h -@@ -35,6 +35,13 @@ struct vm_area_struct; - #define ___GFP_NO_KSWAPD 0x400000u - #define ___GFP_OTHER_NODE 0x800000u - #define ___GFP_WRITE 0x1000000u -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+#define ___GFP_USERCOPY 0x2000000u -+#else -+#define ___GFP_USERCOPY 0 -+#endif -+ - /* If the above are modified, __GFP_BITS_SHIFT may need updating */ - - /* -@@ -94,6 +101,7 @@ struct vm_area_struct; - #define __GFP_NO_KSWAPD ((__force gfp_t)___GFP_NO_KSWAPD) - #define __GFP_OTHER_NODE ((__force gfp_t)___GFP_OTHER_NODE) /* On behalf of other node */ - #define __GFP_WRITE ((__force gfp_t)___GFP_WRITE) /* Allocator intends to dirty page */ -+#define __GFP_USERCOPY ((__force gfp_t)___GFP_USERCOPY)/* Allocator intends to copy page to/from userland */ - - /* - * This may seem redundant, but it's a way of annotating false positives vs. -@@ -101,7 +109,7 @@ struct vm_area_struct; - */ - #define __GFP_NOTRACK_FALSE_POSITIVE (__GFP_NOTRACK) - --#define __GFP_BITS_SHIFT 25 /* Room for N __GFP_FOO bits */ -+#define __GFP_BITS_SHIFT 26 /* Room for N __GFP_FOO bits */ - #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) - - /* This equals 0, but use constants in case they ever change */ -@@ -146,6 +154,8 @@ struct vm_area_struct; - /* 4GB DMA on some platforms */ - #define GFP_DMA32 __GFP_DMA32 - -+#define GFP_USERCOPY __GFP_USERCOPY -+ - /* Convert GFP flags to their corresponding migrate type */ - static inline int gfpflags_to_migratetype(const gfp_t gfp_flags) - { -diff --git a/include/linux/gracl.h b/include/linux/gracl.h -new file mode 100644 -index 0000000..91858e4 ---- /dev/null -+++ b/include/linux/gracl.h -@@ -0,0 +1,342 @@ -+#ifndef GR_ACL_H -+#define GR_ACL_H -+ -+#include <linux/grdefs.h> -+#include <linux/resource.h> -+#include <linux/capability.h> -+#include <linux/dcache.h> -+#include <asm/resource.h> -+ -+/* Major status information */ -+ -+#define GR_VERSION "grsecurity 3.1" -+#define GRSECURITY_VERSION 0x3100 -+ -+enum { -+ GR_SHUTDOWN = 0, -+ GR_ENABLE = 1, -+ GR_SPROLE = 2, -+ GR_OLDRELOAD = 3, -+ GR_SEGVMOD = 4, -+ GR_STATUS = 5, -+ GR_UNSPROLE = 6, -+ GR_PASSSET = 7, -+ GR_SPROLEPAM = 8, -+ GR_RELOAD = 9, -+}; -+ -+/* Password setup definitions -+ * kernel/grhash.c */ -+enum { -+ GR_PW_LEN = 128, -+ GR_SALT_LEN = 16, -+ GR_SHA_LEN = 32, -+}; -+ -+enum { -+ GR_SPROLE_LEN = 64, -+}; -+ -+enum { -+ GR_NO_GLOB = 0, -+ GR_REG_GLOB, -+ GR_CREATE_GLOB -+}; -+ -+#define GR_NLIMITS 32 -+ -+/* Begin Data Structures */ -+ -+struct sprole_pw { -+ unsigned char *rolename; -+ unsigned char salt[GR_SALT_LEN]; -+ unsigned char sum[GR_SHA_LEN]; /* 256-bit SHA hash of the password */ -+}; -+ -+struct name_entry { -+ __u32 key; -+ u64 inode; -+ dev_t device; -+ char *name; -+ __u16 len; -+ __u8 deleted; -+ struct name_entry *prev; -+ struct name_entry *next; -+}; -+ -+struct inodev_entry { -+ struct name_entry *nentry; -+ struct inodev_entry *prev; -+ struct inodev_entry *next; -+}; -+ -+struct acl_role_db { -+ struct acl_role_label **r_hash; -+ __u32 r_size; -+}; -+ -+struct inodev_db { -+ struct inodev_entry **i_hash; -+ __u32 i_size; -+}; -+ -+struct name_db { -+ struct name_entry **n_hash; -+ __u32 n_size; -+}; -+ -+struct crash_uid { -+ uid_t uid; -+ unsigned long expires; -+}; -+ -+struct gr_hash_struct { -+ void **table; -+ void **nametable; -+ void *first; -+ __u32 table_size; -+ __u32 used_size; -+ int type; -+}; -+ -+/* Userspace Grsecurity ACL data structures */ -+ -+struct acl_subject_label { -+ char *filename; -+ u64 inode; -+ dev_t device; -+ __u32 mode; -+ kernel_cap_t cap_mask; -+ kernel_cap_t cap_lower; -+ kernel_cap_t cap_invert_audit; -+ -+ struct rlimit res[GR_NLIMITS]; -+ __u32 resmask; -+ -+ __u8 user_trans_type; -+ __u8 group_trans_type; -+ uid_t *user_transitions; -+ gid_t *group_transitions; -+ __u16 user_trans_num; -+ __u16 group_trans_num; -+ -+ __u32 sock_families[2]; -+ __u32 ip_proto[8]; -+ __u32 ip_type; -+ struct acl_ip_label **ips; -+ __u32 ip_num; -+ __u32 inaddr_any_override; -+ -+ __u32 crashes; -+ unsigned long expires; -+ -+ struct acl_subject_label *parent_subject; -+ struct gr_hash_struct *hash; -+ struct acl_subject_label *prev; -+ struct acl_subject_label *next; -+ -+ struct acl_object_label **obj_hash; -+ __u32 obj_hash_size; -+ __u16 pax_flags; -+}; -+ -+struct role_allowed_ip { -+ __u32 addr; -+ __u32 netmask; -+ -+ struct role_allowed_ip *prev; -+ struct role_allowed_ip *next; -+}; -+ -+struct role_transition { -+ char *rolename; -+ -+ struct role_transition *prev; -+ struct role_transition *next; -+}; -+ -+struct acl_role_label { -+ char *rolename; -+ uid_t uidgid; -+ __u16 roletype; -+ -+ __u16 auth_attempts; -+ unsigned long expires; -+ -+ struct acl_subject_label *root_label; -+ struct gr_hash_struct *hash; -+ -+ struct acl_role_label *prev; -+ struct acl_role_label *next; -+ -+ struct role_transition *transitions; -+ struct role_allowed_ip *allowed_ips; -+ uid_t *domain_children; -+ __u16 domain_child_num; -+ -+ umode_t umask; -+ -+ struct acl_subject_label **subj_hash; -+ __u32 subj_hash_size; -+}; -+ -+struct user_acl_role_db { -+ struct acl_role_label **r_table; -+ __u32 num_pointers; /* Number of allocations to track */ -+ __u32 num_roles; /* Number of roles */ -+ __u32 num_domain_children; /* Number of domain children */ -+ __u32 num_subjects; /* Number of subjects */ -+ __u32 num_objects; /* Number of objects */ -+}; -+ -+struct acl_object_label { -+ char *filename; -+ u64 inode; -+ dev_t device; -+ __u32 mode; -+ -+ struct acl_subject_label *nested; -+ struct acl_object_label *globbed; -+ -+ /* next two structures not used */ -+ -+ struct acl_object_label *prev; -+ struct acl_object_label *next; -+}; -+ -+struct acl_ip_label { -+ char *iface; -+ __u32 addr; -+ __u32 netmask; -+ __u16 low, high; -+ __u8 mode; -+ __u32 type; -+ __u32 proto[8]; -+ -+ /* next two structures not used */ -+ -+ struct acl_ip_label *prev; -+ struct acl_ip_label *next; -+}; -+ -+struct gr_arg { -+ struct user_acl_role_db role_db; -+ unsigned char pw[GR_PW_LEN]; -+ unsigned char salt[GR_SALT_LEN]; -+ unsigned char sum[GR_SHA_LEN]; -+ unsigned char sp_role[GR_SPROLE_LEN]; -+ struct sprole_pw *sprole_pws; -+ dev_t segv_device; -+ u64 segv_inode; -+ uid_t segv_uid; -+ __u16 num_sprole_pws; -+ __u16 mode; -+}; -+ -+struct gr_arg_wrapper { -+ struct gr_arg *arg; -+ __u32 version; -+ __u32 size; -+}; -+ -+struct subject_map { -+ struct acl_subject_label *user; -+ struct acl_subject_label *kernel; -+ struct subject_map *prev; -+ struct subject_map *next; -+}; -+ -+struct acl_subj_map_db { -+ struct subject_map **s_hash; -+ __u32 s_size; -+}; -+ -+struct gr_policy_state { -+ struct sprole_pw **acl_special_roles; -+ __u16 num_sprole_pws; -+ struct acl_role_label *kernel_role; -+ struct acl_role_label *role_list; -+ struct acl_role_label *default_role; -+ struct acl_role_db acl_role_set; -+ struct acl_subj_map_db subj_map_set; -+ struct name_db name_set; -+ struct inodev_db inodev_set; -+}; -+ -+struct gr_alloc_state { -+ unsigned long alloc_stack_next; -+ unsigned long alloc_stack_size; -+ void **alloc_stack; -+}; -+ -+struct gr_reload_state { -+ struct gr_policy_state oldpolicy; -+ struct gr_alloc_state oldalloc; -+ struct gr_policy_state newpolicy; -+ struct gr_alloc_state newalloc; -+ struct gr_policy_state *oldpolicy_ptr; -+ struct gr_alloc_state *oldalloc_ptr; -+ unsigned char oldmode; -+}; -+ -+/* End Data Structures Section */ -+ -+/* Hash functions generated by empirical testing by Brad Spengler -+ Makes good use of the low bits of the inode. Generally 0-1 times -+ in loop for successful match. 0-3 for unsuccessful match. -+ Shift/add algorithm with modulus of table size and an XOR*/ -+ -+static __inline__ unsigned int -+gr_rhash(const uid_t uid, const __u16 type, const unsigned int sz) -+{ -+ return ((((uid + type) << (16 + type)) ^ uid) % sz); -+} -+ -+ static __inline__ unsigned int -+gr_shash(const struct acl_subject_label *userp, const unsigned int sz) -+{ -+ return ((const unsigned long)userp % sz); -+} -+ -+static __inline__ unsigned int -+gr_fhash(const u64 ino, const dev_t dev, const unsigned int sz) -+{ -+ unsigned int rem; -+ div_u64_rem((ino + dev) ^ ((ino << 13) + (ino << 23) + (dev << 9)), sz, &rem); -+ return rem; -+} -+ -+static __inline__ unsigned int -+gr_nhash(const char *name, const __u16 len, const unsigned int sz) -+{ -+ return full_name_hash((const unsigned char *)name, len) % sz; -+} -+ -+#define FOR_EACH_SUBJECT_START(role,subj,iter) \ -+ subj = NULL; \ -+ iter = 0; \ -+ while (iter < role->subj_hash_size) { \ -+ if (subj == NULL) \ -+ subj = role->subj_hash[iter]; \ -+ if (subj == NULL) { \ -+ iter++; \ -+ continue; \ -+ } -+ -+#define FOR_EACH_SUBJECT_END(subj,iter) \ -+ subj = subj->next; \ -+ if (subj == NULL) \ -+ iter++; \ -+ } -+ -+ -+#define FOR_EACH_NESTED_SUBJECT_START(role,subj) \ -+ subj = role->hash->first; \ -+ while (subj != NULL) { -+ -+#define FOR_EACH_NESTED_SUBJECT_END(subj) \ -+ subj = subj->next; \ -+ } -+ -+#endif -+ -diff --git a/include/linux/gracl_compat.h b/include/linux/gracl_compat.h -new file mode 100644 -index 0000000..af64092 ---- /dev/null -+++ b/include/linux/gracl_compat.h -@@ -0,0 +1,156 @@ -+#ifndef GR_ACL_COMPAT_H -+#define GR_ACL_COMPAT_H -+ -+#include <linux/resource.h> -+#include <asm/resource.h> -+ -+struct sprole_pw_compat { -+ compat_uptr_t rolename; -+ unsigned char salt[GR_SALT_LEN]; -+ unsigned char sum[GR_SHA_LEN]; -+}; -+ -+struct gr_hash_struct_compat { -+ compat_uptr_t table; -+ compat_uptr_t nametable; -+ compat_uptr_t first; -+ __u32 table_size; -+ __u32 used_size; -+ int type; -+}; -+ -+struct acl_subject_label_compat { -+ compat_uptr_t filename; -+ compat_u64 inode; -+ __u32 device; -+ __u32 mode; -+ kernel_cap_t cap_mask; -+ kernel_cap_t cap_lower; -+ kernel_cap_t cap_invert_audit; -+ -+ struct compat_rlimit res[GR_NLIMITS]; -+ __u32 resmask; -+ -+ __u8 user_trans_type; -+ __u8 group_trans_type; -+ compat_uptr_t user_transitions; -+ compat_uptr_t group_transitions; -+ __u16 user_trans_num; -+ __u16 group_trans_num; -+ -+ __u32 sock_families[2]; -+ __u32 ip_proto[8]; -+ __u32 ip_type; -+ compat_uptr_t ips; -+ __u32 ip_num; -+ __u32 inaddr_any_override; -+ -+ __u32 crashes; -+ compat_ulong_t expires; -+ -+ compat_uptr_t parent_subject; -+ compat_uptr_t hash; -+ compat_uptr_t prev; -+ compat_uptr_t next; -+ -+ compat_uptr_t obj_hash; -+ __u32 obj_hash_size; -+ __u16 pax_flags; -+}; -+ -+struct role_allowed_ip_compat { -+ __u32 addr; -+ __u32 netmask; -+ -+ compat_uptr_t prev; -+ compat_uptr_t next; -+}; -+ -+struct role_transition_compat { -+ compat_uptr_t rolename; -+ -+ compat_uptr_t prev; -+ compat_uptr_t next; -+}; -+ -+struct acl_role_label_compat { -+ compat_uptr_t rolename; -+ uid_t uidgid; -+ __u16 roletype; -+ -+ __u16 auth_attempts; -+ compat_ulong_t expires; -+ -+ compat_uptr_t root_label; -+ compat_uptr_t hash; -+ -+ compat_uptr_t prev; -+ compat_uptr_t next; -+ -+ compat_uptr_t transitions; -+ compat_uptr_t allowed_ips; -+ compat_uptr_t domain_children; -+ __u16 domain_child_num; -+ -+ umode_t umask; -+ -+ compat_uptr_t subj_hash; -+ __u32 subj_hash_size; -+}; -+ -+struct user_acl_role_db_compat { -+ compat_uptr_t r_table; -+ __u32 num_pointers; -+ __u32 num_roles; -+ __u32 num_domain_children; -+ __u32 num_subjects; -+ __u32 num_objects; -+}; -+ -+struct acl_object_label_compat { -+ compat_uptr_t filename; -+ compat_u64 inode; -+ __u32 device; -+ __u32 mode; -+ -+ compat_uptr_t nested; -+ compat_uptr_t globbed; -+ -+ compat_uptr_t prev; -+ compat_uptr_t next; -+}; -+ -+struct acl_ip_label_compat { -+ compat_uptr_t iface; -+ __u32 addr; -+ __u32 netmask; -+ __u16 low, high; -+ __u8 mode; -+ __u32 type; -+ __u32 proto[8]; -+ -+ compat_uptr_t prev; -+ compat_uptr_t next; -+}; -+ -+struct gr_arg_compat { -+ struct user_acl_role_db_compat role_db; -+ unsigned char pw[GR_PW_LEN]; -+ unsigned char salt[GR_SALT_LEN]; -+ unsigned char sum[GR_SHA_LEN]; -+ unsigned char sp_role[GR_SPROLE_LEN]; -+ compat_uptr_t sprole_pws; -+ __u32 segv_device; -+ compat_u64 segv_inode; -+ uid_t segv_uid; -+ __u16 num_sprole_pws; -+ __u16 mode; -+}; -+ -+struct gr_arg_wrapper_compat { -+ compat_uptr_t arg; -+ __u32 version; -+ __u32 size; -+}; -+ -+#endif -diff --git a/include/linux/gralloc.h b/include/linux/gralloc.h -new file mode 100644 -index 0000000..323ecf2 ---- /dev/null -+++ b/include/linux/gralloc.h -@@ -0,0 +1,9 @@ -+#ifndef __GRALLOC_H -+#define __GRALLOC_H -+ -+void acl_free_all(void); -+int acl_alloc_stack_init(unsigned long size); -+void *acl_alloc(unsigned long len); -+void *acl_alloc_num(unsigned long num, unsigned long len); -+ -+#endif -diff --git a/include/linux/grdefs.h b/include/linux/grdefs.h -new file mode 100644 -index 0000000..be66033 ---- /dev/null -+++ b/include/linux/grdefs.h -@@ -0,0 +1,140 @@ -+#ifndef GRDEFS_H -+#define GRDEFS_H -+ -+/* Begin grsecurity status declarations */ -+ -+enum { -+ GR_READY = 0x01, -+ GR_STATUS_INIT = 0x00 // disabled state -+}; -+ -+/* Begin ACL declarations */ -+ -+/* Role flags */ -+ -+enum { -+ GR_ROLE_USER = 0x0001, -+ GR_ROLE_GROUP = 0x0002, -+ GR_ROLE_DEFAULT = 0x0004, -+ GR_ROLE_SPECIAL = 0x0008, -+ GR_ROLE_AUTH = 0x0010, -+ GR_ROLE_NOPW = 0x0020, -+ GR_ROLE_GOD = 0x0040, -+ GR_ROLE_LEARN = 0x0080, -+ GR_ROLE_TPE = 0x0100, -+ GR_ROLE_DOMAIN = 0x0200, -+ GR_ROLE_PAM = 0x0400, -+ GR_ROLE_PERSIST = 0x0800 -+}; -+ -+/* ACL Subject and Object mode flags */ -+enum { -+ GR_DELETED = 0x80000000 -+}; -+ -+/* ACL Object-only mode flags */ -+enum { -+ GR_READ = 0x00000001, -+ GR_APPEND = 0x00000002, -+ GR_WRITE = 0x00000004, -+ GR_EXEC = 0x00000008, -+ GR_FIND = 0x00000010, -+ GR_INHERIT = 0x00000020, -+ GR_SETID = 0x00000040, -+ GR_CREATE = 0x00000080, -+ GR_DELETE = 0x00000100, -+ GR_LINK = 0x00000200, -+ GR_AUDIT_READ = 0x00000400, -+ GR_AUDIT_APPEND = 0x00000800, -+ GR_AUDIT_WRITE = 0x00001000, -+ GR_AUDIT_EXEC = 0x00002000, -+ GR_AUDIT_FIND = 0x00004000, -+ GR_AUDIT_INHERIT= 0x00008000, -+ GR_AUDIT_SETID = 0x00010000, -+ GR_AUDIT_CREATE = 0x00020000, -+ GR_AUDIT_DELETE = 0x00040000, -+ GR_AUDIT_LINK = 0x00080000, -+ GR_PTRACERD = 0x00100000, -+ GR_NOPTRACE = 0x00200000, -+ GR_SUPPRESS = 0x00400000, -+ GR_NOLEARN = 0x00800000, -+ GR_INIT_TRANSFER= 0x01000000 -+}; -+ -+#define GR_AUDITS (GR_AUDIT_READ | GR_AUDIT_WRITE | GR_AUDIT_APPEND | GR_AUDIT_EXEC | \ -+ GR_AUDIT_FIND | GR_AUDIT_INHERIT | GR_AUDIT_SETID | \ -+ GR_AUDIT_CREATE | GR_AUDIT_DELETE | GR_AUDIT_LINK) -+ -+/* ACL subject-only mode flags */ -+enum { -+ GR_KILL = 0x00000001, -+ GR_VIEW = 0x00000002, -+ GR_PROTECTED = 0x00000004, -+ GR_LEARN = 0x00000008, -+ GR_OVERRIDE = 0x00000010, -+ /* just a placeholder, this mode is only used in userspace */ -+ GR_DUMMY = 0x00000020, -+ GR_PROTSHM = 0x00000040, -+ GR_KILLPROC = 0x00000080, -+ GR_KILLIPPROC = 0x00000100, -+ /* just a placeholder, this mode is only used in userspace */ -+ GR_NOTROJAN = 0x00000200, -+ GR_PROTPROCFD = 0x00000400, -+ GR_PROCACCT = 0x00000800, -+ GR_RELAXPTRACE = 0x00001000, -+ //GR_NESTED = 0x00002000, -+ GR_INHERITLEARN = 0x00004000, -+ GR_PROCFIND = 0x00008000, -+ GR_POVERRIDE = 0x00010000, -+ GR_KERNELAUTH = 0x00020000, -+ GR_ATSECURE = 0x00040000, -+ GR_SHMEXEC = 0x00080000 -+}; -+ -+enum { -+ GR_PAX_ENABLE_SEGMEXEC = 0x0001, -+ GR_PAX_ENABLE_PAGEEXEC = 0x0002, -+ GR_PAX_ENABLE_MPROTECT = 0x0004, -+ GR_PAX_ENABLE_RANDMMAP = 0x0008, -+ GR_PAX_ENABLE_EMUTRAMP = 0x0010, -+ GR_PAX_DISABLE_SEGMEXEC = 0x0100, -+ GR_PAX_DISABLE_PAGEEXEC = 0x0200, -+ GR_PAX_DISABLE_MPROTECT = 0x0400, -+ GR_PAX_DISABLE_RANDMMAP = 0x0800, -+ GR_PAX_DISABLE_EMUTRAMP = 0x1000, -+}; -+ -+enum { -+ GR_ID_USER = 0x01, -+ GR_ID_GROUP = 0x02, -+}; -+ -+enum { -+ GR_ID_ALLOW = 0x01, -+ GR_ID_DENY = 0x02, -+}; -+ -+#define GR_CRASH_RES 31 -+#define GR_UIDTABLE_MAX 500 -+ -+/* begin resource learning section */ -+enum { -+ GR_RLIM_CPU_BUMP = 60, -+ GR_RLIM_FSIZE_BUMP = 50000, -+ GR_RLIM_DATA_BUMP = 10000, -+ GR_RLIM_STACK_BUMP = 1000, -+ GR_RLIM_CORE_BUMP = 10000, -+ GR_RLIM_RSS_BUMP = 500000, -+ GR_RLIM_NPROC_BUMP = 1, -+ GR_RLIM_NOFILE_BUMP = 5, -+ GR_RLIM_MEMLOCK_BUMP = 50000, -+ GR_RLIM_AS_BUMP = 500000, -+ GR_RLIM_LOCKS_BUMP = 2, -+ GR_RLIM_SIGPENDING_BUMP = 5, -+ GR_RLIM_MSGQUEUE_BUMP = 10000, -+ GR_RLIM_NICE_BUMP = 1, -+ GR_RLIM_RTPRIO_BUMP = 1, -+ GR_RLIM_RTTIME_BUMP = 1000000 -+}; -+ -+#endif -diff --git a/include/linux/grinternal.h b/include/linux/grinternal.h -new file mode 100644 -index 0000000..fb1de5d ---- /dev/null -+++ b/include/linux/grinternal.h -@@ -0,0 +1,230 @@ -+#ifndef __GRINTERNAL_H -+#define __GRINTERNAL_H -+ -+#ifdef CONFIG_GRKERNSEC -+ -+#include <linux/fs.h> -+#include <linux/mnt_namespace.h> -+#include <linux/nsproxy.h> -+#include <linux/gracl.h> -+#include <linux/grdefs.h> -+#include <linux/grmsg.h> -+ -+void gr_add_learn_entry(const char *fmt, ...) -+ __attribute__ ((format (printf, 1, 2))); -+__u32 gr_search_file(const struct dentry *dentry, const __u32 mode, -+ const struct vfsmount *mnt); -+__u32 gr_check_create(const struct dentry *new_dentry, -+ const struct dentry *parent, -+ const struct vfsmount *mnt, const __u32 mode); -+int gr_check_protected_task(const struct task_struct *task); -+__u32 to_gr_audit(const __u32 reqmode); -+int gr_set_acls(const int type); -+int gr_acl_is_enabled(void); -+char gr_roletype_to_char(void); -+ -+void gr_handle_alertkill(struct task_struct *task); -+char *gr_to_filename(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+char *gr_to_filename1(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+char *gr_to_filename2(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+char *gr_to_filename3(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+ -+extern int grsec_enable_ptrace_readexec; -+extern int grsec_enable_harden_ptrace; -+extern int grsec_enable_link; -+extern int grsec_enable_fifo; -+extern int grsec_enable_execve; -+extern int grsec_enable_shm; -+extern int grsec_enable_execlog; -+extern int grsec_enable_signal; -+extern int grsec_enable_audit_ptrace; -+extern int grsec_enable_forkfail; -+extern int grsec_enable_time; -+extern int grsec_enable_rofs; -+extern int grsec_deny_new_usb; -+extern int grsec_enable_chroot_shmat; -+extern int grsec_enable_chroot_mount; -+extern int grsec_enable_chroot_double; -+extern int grsec_enable_chroot_pivot; -+extern int grsec_enable_chroot_chdir; -+extern int grsec_enable_chroot_chmod; -+extern int grsec_enable_chroot_mknod; -+extern int grsec_enable_chroot_fchdir; -+extern int grsec_enable_chroot_nice; -+extern int grsec_enable_chroot_execlog; -+extern int grsec_enable_chroot_caps; -+extern int grsec_enable_chroot_rename; -+extern int grsec_enable_chroot_sysctl; -+extern int grsec_enable_chroot_unix; -+extern int grsec_enable_symlinkown; -+extern kgid_t grsec_symlinkown_gid; -+extern int grsec_enable_tpe; -+extern kgid_t grsec_tpe_gid; -+extern int grsec_enable_tpe_all; -+extern int grsec_enable_tpe_invert; -+extern int grsec_enable_socket_all; -+extern kgid_t grsec_socket_all_gid; -+extern int grsec_enable_socket_client; -+extern kgid_t grsec_socket_client_gid; -+extern int grsec_enable_socket_server; -+extern kgid_t grsec_socket_server_gid; -+extern kgid_t grsec_audit_gid; -+extern int grsec_enable_group; -+extern int grsec_enable_log_rwxmaps; -+extern int grsec_enable_mount; -+extern int grsec_enable_chdir; -+extern int grsec_resource_logging; -+extern int grsec_enable_blackhole; -+extern int grsec_lastack_retries; -+extern int grsec_enable_brute; -+extern int grsec_enable_harden_ipc; -+extern int grsec_lock; -+ -+extern spinlock_t grsec_alert_lock; -+extern unsigned long grsec_alert_wtime; -+extern unsigned long grsec_alert_fyet; -+ -+extern spinlock_t grsec_audit_lock; -+ -+extern rwlock_t grsec_exec_file_lock; -+ -+#define gr_task_fullpath(tsk) ((tsk)->exec_file ? \ -+ gr_to_filename2((tsk)->exec_file->f_path.dentry, \ -+ (tsk)->exec_file->f_path.mnt) : "/") -+ -+#define gr_parent_task_fullpath(tsk) ((tsk)->real_parent->exec_file ? \ -+ gr_to_filename3((tsk)->real_parent->exec_file->f_path.dentry, \ -+ (tsk)->real_parent->exec_file->f_path.mnt) : "/") -+ -+#define gr_task_fullpath0(tsk) ((tsk)->exec_file ? \ -+ gr_to_filename((tsk)->exec_file->f_path.dentry, \ -+ (tsk)->exec_file->f_path.mnt) : "/") -+ -+#define gr_parent_task_fullpath0(tsk) ((tsk)->real_parent->exec_file ? \ -+ gr_to_filename1((tsk)->real_parent->exec_file->f_path.dentry, \ -+ (tsk)->real_parent->exec_file->f_path.mnt) : "/") -+ -+#define proc_is_chrooted(tsk_a) ((tsk_a)->gr_is_chrooted) -+ -+#define have_same_root(tsk_a,tsk_b) ((tsk_a)->gr_chroot_dentry == (tsk_b)->gr_chroot_dentry) -+ -+static inline bool gr_is_same_file(const struct file *file1, const struct file *file2) -+{ -+ if (file1 && file2) { -+ const struct inode *inode1 = file1->f_path.dentry->d_inode; -+ const struct inode *inode2 = file2->f_path.dentry->d_inode; -+ if (inode1->i_ino == inode2->i_ino && inode1->i_sb->s_dev == inode2->i_sb->s_dev) -+ return true; -+ } -+ -+ return false; -+} -+ -+#define GR_CHROOT_CAPS {{ \ -+ CAP_TO_MASK(CAP_LINUX_IMMUTABLE) | CAP_TO_MASK(CAP_NET_ADMIN) | \ -+ CAP_TO_MASK(CAP_SYS_MODULE) | CAP_TO_MASK(CAP_SYS_RAWIO) | \ -+ CAP_TO_MASK(CAP_SYS_PACCT) | CAP_TO_MASK(CAP_SYS_ADMIN) | \ -+ CAP_TO_MASK(CAP_SYS_BOOT) | CAP_TO_MASK(CAP_SYS_TIME) | \ -+ CAP_TO_MASK(CAP_NET_RAW) | CAP_TO_MASK(CAP_SYS_TTY_CONFIG) | \ -+ CAP_TO_MASK(CAP_IPC_OWNER) | CAP_TO_MASK(CAP_SETFCAP), \ -+ CAP_TO_MASK(CAP_SYSLOG) | CAP_TO_MASK(CAP_MAC_ADMIN) }} -+ -+#define security_learn(normal_msg,args...) \ -+({ \ -+ read_lock(&grsec_exec_file_lock); \ -+ gr_add_learn_entry(normal_msg "\n", ## args); \ -+ read_unlock(&grsec_exec_file_lock); \ -+}) -+ -+enum { -+ GR_DO_AUDIT, -+ GR_DONT_AUDIT, -+ /* used for non-audit messages that we shouldn't kill the task on */ -+ GR_DONT_AUDIT_GOOD -+}; -+ -+enum { -+ GR_TTYSNIFF, -+ GR_RBAC, -+ GR_RBAC_STR, -+ GR_STR_RBAC, -+ GR_RBAC_MODE2, -+ GR_RBAC_MODE3, -+ GR_FILENAME, -+ GR_SYSCTL_HIDDEN, -+ GR_NOARGS, -+ GR_ONE_INT, -+ GR_ONE_INT_TWO_STR, -+ GR_ONE_STR, -+ GR_STR_INT, -+ GR_TWO_STR_INT, -+ GR_TWO_INT, -+ GR_TWO_U64, -+ GR_THREE_INT, -+ GR_FIVE_INT_TWO_STR, -+ GR_TWO_STR, -+ GR_THREE_STR, -+ GR_FOUR_STR, -+ GR_STR_FILENAME, -+ GR_FILENAME_STR, -+ GR_FILENAME_TWO_INT, -+ GR_FILENAME_TWO_INT_STR, -+ GR_TEXTREL, -+ GR_PTRACE, -+ GR_RESOURCE, -+ GR_CAP, -+ GR_SIG, -+ GR_SIG2, -+ GR_CRASH1, -+ GR_CRASH2, -+ GR_PSACCT, -+ GR_RWXMAP, -+ GR_RWXMAPVMA -+}; -+ -+#define gr_log_hidden_sysctl(audit, msg, str) gr_log_varargs(audit, msg, GR_SYSCTL_HIDDEN, str) -+#define gr_log_ttysniff(audit, msg, task) gr_log_varargs(audit, msg, GR_TTYSNIFF, task) -+#define gr_log_fs_rbac_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_RBAC, dentry, mnt) -+#define gr_log_fs_rbac_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_RBAC_STR, dentry, mnt, str) -+#define gr_log_fs_str_rbac(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_RBAC, str, dentry, mnt) -+#define gr_log_fs_rbac_mode2(audit, msg, dentry, mnt, str1, str2) gr_log_varargs(audit, msg, GR_RBAC_MODE2, dentry, mnt, str1, str2) -+#define gr_log_fs_rbac_mode3(audit, msg, dentry, mnt, str1, str2, str3) gr_log_varargs(audit, msg, GR_RBAC_MODE3, dentry, mnt, str1, str2, str3) -+#define gr_log_fs_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_FILENAME, dentry, mnt) -+#define gr_log_noargs(audit, msg) gr_log_varargs(audit, msg, GR_NOARGS) -+#define gr_log_int(audit, msg, num) gr_log_varargs(audit, msg, GR_ONE_INT, num) -+#define gr_log_int_str2(audit, msg, num, str1, str2) gr_log_varargs(audit, msg, GR_ONE_INT_TWO_STR, num, str1, str2) -+#define gr_log_str(audit, msg, str) gr_log_varargs(audit, msg, GR_ONE_STR, str) -+#define gr_log_str_int(audit, msg, str, num) gr_log_varargs(audit, msg, GR_STR_INT, str, num) -+#define gr_log_int_int(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_INT, num1, num2) -+#define gr_log_two_u64(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_U64, num1, num2) -+#define gr_log_int3(audit, msg, num1, num2, num3) gr_log_varargs(audit, msg, GR_THREE_INT, num1, num2, num3) -+#define gr_log_int5_str2(audit, msg, num1, num2, str1, str2) gr_log_varargs(audit, msg, GR_FIVE_INT_TWO_STR, num1, num2, str1, str2) -+#define gr_log_str_str(audit, msg, str1, str2) gr_log_varargs(audit, msg, GR_TWO_STR, str1, str2) -+#define gr_log_str2_int(audit, msg, str1, str2, num) gr_log_varargs(audit, msg, GR_TWO_STR_INT, str1, str2, num) -+#define gr_log_str3(audit, msg, str1, str2, str3) gr_log_varargs(audit, msg, GR_THREE_STR, str1, str2, str3) -+#define gr_log_str4(audit, msg, str1, str2, str3, str4) gr_log_varargs(audit, msg, GR_FOUR_STR, str1, str2, str3, str4) -+#define gr_log_str_fs(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_FILENAME, str, dentry, mnt) -+#define gr_log_fs_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_FILENAME_STR, dentry, mnt, str) -+#define gr_log_fs_int2(audit, msg, dentry, mnt, num1, num2) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT, dentry, mnt, num1, num2) -+#define gr_log_fs_int2_str(audit, msg, dentry, mnt, num1, num2, str) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT_STR, dentry, mnt, num1, num2, str) -+#define gr_log_textrel_ulong_ulong(audit, msg, file, ulong1, ulong2) gr_log_varargs(audit, msg, GR_TEXTREL, file, ulong1, ulong2) -+#define gr_log_ptrace(audit, msg, task) gr_log_varargs(audit, msg, GR_PTRACE, task) -+#define gr_log_res_ulong2_str(audit, msg, task, ulong1, str, ulong2) gr_log_varargs(audit, msg, GR_RESOURCE, task, ulong1, str, ulong2) -+#define gr_log_cap(audit, msg, task, str) gr_log_varargs(audit, msg, GR_CAP, task, str) -+#define gr_log_sig_addr(audit, msg, str, addr) gr_log_varargs(audit, msg, GR_SIG, str, addr) -+#define gr_log_sig_task(audit, msg, task, num) gr_log_varargs(audit, msg, GR_SIG2, task, num) -+#define gr_log_crash1(audit, msg, task, ulong) gr_log_varargs(audit, msg, GR_CRASH1, task, ulong) -+#define gr_log_crash2(audit, msg, task, ulong1) gr_log_varargs(audit, msg, GR_CRASH2, task, ulong1) -+#define gr_log_procacct(audit, msg, task, num1, num2, num3, num4, num5, num6, num7, num8, num9) gr_log_varargs(audit, msg, GR_PSACCT, task, num1, num2, num3, num4, num5, num6, num7, num8, num9) -+#define gr_log_rwxmap(audit, msg, str) gr_log_varargs(audit, msg, GR_RWXMAP, str) -+#define gr_log_rwxmap_vma(audit, msg, str) gr_log_varargs(audit, msg, GR_RWXMAPVMA, str) -+ -+void gr_log_varargs(int audit, const char *msg, int argtypes, ...); -+ -+#endif -+ -+#endif -diff --git a/include/linux/grmsg.h b/include/linux/grmsg.h -new file mode 100644 -index 0000000..26ef560 ---- /dev/null -+++ b/include/linux/grmsg.h -@@ -0,0 +1,118 @@ -+#define DEFAULTSECMSG "%.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u, parent %.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u" -+#define GR_ACL_PROCACCT_MSG "%.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u run time:[%ud %uh %um %us] cpu time:[%ud %uh %um %us] %s with exit code %ld, parent %.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u" -+#define GR_PTRACE_ACL_MSG "denied ptrace of %.950s(%.16s:%d) by " -+#define GR_STOPMOD_MSG "denied modification of module state by " -+#define GR_ROFS_BLOCKWRITE_MSG "denied write to block device %.950s by " -+#define GR_ROFS_MOUNT_MSG "denied writable mount of %.950s by " -+#define GR_IOPERM_MSG "denied use of ioperm() by " -+#define GR_IOPL_MSG "denied use of iopl() by " -+#define GR_SHMAT_ACL_MSG "denied attach of shared memory of UID %u, PID %d, ID %u by " -+#define GR_UNIX_CHROOT_MSG "denied connect() to abstract AF_UNIX socket outside of chroot by " -+#define GR_SHMAT_CHROOT_MSG "denied attach of shared memory outside of chroot by " -+#define GR_MEM_READWRITE_MSG "denied access of range %Lx -> %Lx in /dev/mem by " -+#define GR_SYMLINK_MSG "not following symlink %.950s owned by %d.%d by " -+#define GR_LEARN_AUDIT_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%lu\t%lu\t%.4095s\t%lu\t%pI4" -+#define GR_ID_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%c\t%d\t%d\t%d\t%pI4" -+#define GR_HIDDEN_ACL_MSG "%s access to hidden file %.950s by " -+#define GR_OPEN_ACL_MSG "%s open of %.950s for%s%s by " -+#define GR_CREATE_ACL_MSG "%s create of %.950s for%s%s by " -+#define GR_FIFO_MSG "denied writing FIFO %.950s of %d.%d by " -+#define GR_MKNOD_CHROOT_MSG "denied mknod of %.950s from chroot by " -+#define GR_MKNOD_ACL_MSG "%s mknod of %.950s by " -+#define GR_UNIXCONNECT_ACL_MSG "%s connect() to the unix domain socket %.950s by " -+#define GR_TTYSNIFF_ACL_MSG "terminal being sniffed by IP:%pI4 %.480s[%.16s:%d], parent %.480s[%.16s:%d] against " -+#define GR_MKDIR_ACL_MSG "%s mkdir of %.950s by " -+#define GR_RMDIR_ACL_MSG "%s rmdir of %.950s by " -+#define GR_UNLINK_ACL_MSG "%s unlink of %.950s by " -+#define GR_SYMLINK_ACL_MSG "%s symlink from %.480s to %.480s by " -+#define GR_HARDLINK_MSG "denied hardlink of %.930s (owned by %d.%d) to %.30s for " -+#define GR_LINK_ACL_MSG "%s link of %.480s to %.480s by " -+#define GR_INHERIT_ACL_MSG "successful inherit of %.480s's ACL for %.480s by " -+#define GR_RENAME_ACL_MSG "%s rename of %.480s to %.480s by " -+#define GR_UNSAFESHARE_EXEC_ACL_MSG "denied exec with cloned fs of %.950s by " -+#define GR_PTRACE_EXEC_ACL_MSG "denied ptrace of %.950s by " -+#define GR_EXEC_ACL_MSG "%s execution of %.950s by " -+#define GR_EXEC_TPE_MSG "denied untrusted exec (due to %.70s) of %.950s by " -+#define GR_SEGVSTART_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning uid %u from login for %lu seconds" -+#define GR_SEGVNOSUID_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning execution for %lu seconds" -+#define GR_MOUNT_CHROOT_MSG "denied mount of %.256s as %.930s from chroot by " -+#define GR_PIVOT_CHROOT_MSG "denied pivot_root from chroot by " -+#define GR_TRUNCATE_ACL_MSG "%s truncate of %.950s by " -+#define GR_ATIME_ACL_MSG "%s access time change of %.950s by " -+#define GR_ACCESS_ACL_MSG "%s access of %.950s for%s%s%s by " -+#define GR_CHROOT_CHROOT_MSG "denied double chroot to %.950s by " -+#define GR_CHROOT_RENAME_MSG "denied bad rename of %.950s out of a chroot by " -+#define GR_CHMOD_CHROOT_MSG "denied chmod +s of %.950s by " -+#define GR_CHMOD_ACL_MSG "%s chmod of %.950s by " -+#define GR_CHROOT_FCHDIR_MSG "denied fchdir outside of chroot to %.950s by " -+#define GR_CHROOT_FHANDLE_MSG "denied use of file handles inside chroot by " -+#define GR_CHOWN_ACL_MSG "%s chown of %.950s by " -+#define GR_SETXATTR_ACL_MSG "%s setting extended attribute of %.950s by " -+#define GR_REMOVEXATTR_ACL_MSG "%s removing extended attribute of %.950s by " -+#define GR_WRITLIB_ACL_MSG "denied load of writable library %.950s by " -+#define GR_INITF_ACL_MSG "init_variables() failed %s by " -+#define GR_DISABLED_ACL_MSG "Error loading %s, trying to run kernel with acls disabled. To disable acls at startup use <kernel image name> gracl=off from your boot loader" -+#define GR_DEV_ACL_MSG "/dev/grsec: %d bytes sent %d required, being fed garbage by " -+#define GR_SHUTS_ACL_MSG "shutdown auth success for " -+#define GR_SHUTF_ACL_MSG "shutdown auth failure for " -+#define GR_SHUTI_ACL_MSG "ignoring shutdown for disabled RBAC system for " -+#define GR_SEGVMODS_ACL_MSG "segvmod auth success for " -+#define GR_SEGVMODF_ACL_MSG "segvmod auth failure for " -+#define GR_SEGVMODI_ACL_MSG "ignoring segvmod for disabled RBAC system for " -+#define GR_ENABLE_ACL_MSG "%s RBAC system loaded by " -+#define GR_ENABLEF_ACL_MSG "unable to load %s for " -+#define GR_RELOADI_ACL_MSG "ignoring reload request for disabled RBAC system" -+#define GR_RELOAD_ACL_MSG "%s RBAC system reloaded by " -+#define GR_RELOADF_ACL_MSG "failed reload of %s for " -+#define GR_SPROLEI_ACL_MSG "ignoring change to special role for disabled RBAC system for " -+#define GR_SPROLES_ACL_MSG "successful change to special role %s (id %d) by " -+#define GR_SPROLEL_ACL_MSG "special role %s (id %d) exited by " -+#define GR_SPROLEF_ACL_MSG "special role %s failure for " -+#define GR_UNSPROLEI_ACL_MSG "ignoring unauth of special role for disabled RBAC system for " -+#define GR_UNSPROLES_ACL_MSG "successful unauth of special role %s (id %d) by " -+#define GR_INVMODE_ACL_MSG "invalid mode %d by " -+#define GR_PRIORITY_CHROOT_MSG "denied priority change of process (%.16s:%d) by " -+#define GR_FAILFORK_MSG "failed fork with errno %s by " -+#define GR_NICE_CHROOT_MSG "denied priority change by " -+#define GR_UNISIGLOG_MSG "%.32s occurred at %p in " -+#define GR_DUALSIGLOG_MSG "signal %d sent to " DEFAULTSECMSG " by " -+#define GR_SIG_ACL_MSG "denied send of signal %d to protected task " DEFAULTSECMSG " by " -+#define GR_SYSCTL_MSG "denied modification of grsecurity sysctl value : %.32s by " -+#define GR_SYSCTL_ACL_MSG "%s sysctl of %.950s for%s%s by " -+#define GR_TIME_MSG "time set by " -+#define GR_DEFACL_MSG "fatal: unable to find subject for (%.16s:%d), loaded by " -+#define GR_MMAP_ACL_MSG "%s executable mmap of %.950s by " -+#define GR_MPROTECT_ACL_MSG "%s executable mprotect of %.950s by " -+#define GR_SOCK_MSG "denied socket(%.16s,%.16s,%.16s) by " -+#define GR_SOCK_NOINET_MSG "denied socket(%.16s,%.16s,%d) by " -+#define GR_BIND_MSG "denied bind() by " -+#define GR_CONNECT_MSG "denied connect() by " -+#define GR_BIND_ACL_MSG "denied bind() to %pI4 port %u sock type %.16s protocol %.16s by " -+#define GR_CONNECT_ACL_MSG "denied connect() to %pI4 port %u sock type %.16s protocol %.16s by " -+#define GR_IP_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%pI4\t%u\t%u\t%u\t%u\t%pI4" -+#define GR_EXEC_CHROOT_MSG "exec of %.980s within chroot by process " -+#define GR_CAP_ACL_MSG "use of %s denied for " -+#define GR_CAP_CHROOT_MSG "use of %s in chroot denied for " -+#define GR_CAP_ACL_MSG2 "use of %s permitted for " -+#define GR_USRCHANGE_ACL_MSG "change to uid %u denied for " -+#define GR_GRPCHANGE_ACL_MSG "change to gid %u denied for " -+#define GR_REMOUNT_AUDIT_MSG "remount of %.256s by " -+#define GR_UNMOUNT_AUDIT_MSG "unmount of %.256s by " -+#define GR_MOUNT_AUDIT_MSG "mount of %.256s to %.256s by " -+#define GR_CHDIR_AUDIT_MSG "chdir to %.980s by " -+#define GR_EXEC_AUDIT_MSG "exec of %.930s (%.128s) by " -+#define GR_RESOURCE_MSG "denied resource overstep by requesting %lu for %.16s against limit %lu for " -+#define GR_RWXMMAP_MSG "denied RWX mmap of %.950s by " -+#define GR_RWXMPROTECT_MSG "denied RWX mprotect of %.950s by " -+#define GR_TEXTREL_AUDIT_MSG "denied text relocation in %.950s, VMA:0x%08lx 0x%08lx by " -+#define GR_PTGNUSTACK_MSG "denied marking stack executable as requested by PT_GNU_STACK marking in %.950s by " -+#define GR_VM86_MSG "denied use of vm86 by " -+#define GR_PTRACE_AUDIT_MSG "process %.950s(%.16s:%d) attached to via ptrace by " -+#define GR_PTRACE_READEXEC_MSG "denied ptrace of unreadable binary %.950s by " -+#define GR_INIT_TRANSFER_MSG "persistent special role transferred privilege to init by " -+#define GR_BADPROCPID_MSG "denied read of sensitive /proc/pid/%s entry via fd passed across exec by " -+#define GR_SYMLINKOWNER_MSG "denied following symlink %.950s since symlink owner %u does not match target owner %u, by " -+#define GR_BRUTE_DAEMON_MSG "bruteforce prevention initiated for the next 30 minutes or until service restarted, stalling each fork 30 seconds. Please investigate the crash report for " -+#define GR_BRUTE_SUID_MSG "bruteforce prevention initiated due to crash of %.950s against uid %u, banning suid/sgid execs for %u minutes. Please investigate the crash report for " -+#define GR_IPC_DENIED_MSG "denied %s of overly-permissive IPC object with creator uid %u by " -+#define GR_MSRWRITE_MSG "denied write to CPU MSR by " -diff --git a/include/linux/grsecurity.h b/include/linux/grsecurity.h -new file mode 100644 -index 0000000..085a746 ---- /dev/null -+++ b/include/linux/grsecurity.h -@@ -0,0 +1,247 @@ -+#ifndef GR_SECURITY_H -+#define GR_SECURITY_H -+#include <linux/fs.h> -+#include <linux/fs_struct.h> -+#include <linux/binfmts.h> -+#include <linux/gracl.h> -+ -+/* notify of brain-dead configs */ -+#if defined(CONFIG_GRKERNSEC_PROC_USER) && defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+#error "CONFIG_GRKERNSEC_PROC_USER and CONFIG_GRKERNSEC_PROC_USERGROUP cannot both be enabled." -+#endif -+#if defined(CONFIG_GRKERNSEC_PROC) && !defined(CONFIG_GRKERNSEC_PROC_USER) && !defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+#error "CONFIG_GRKERNSEC_PROC enabled, but neither CONFIG_GRKERNSEC_PROC_USER nor CONFIG_GRKERNSEC_PROC_USERGROUP enabled" -+#endif -+#if defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_PAGEEXEC) && !defined(CONFIG_PAX_SEGMEXEC) && !defined(CONFIG_PAX_KERNEXEC) -+#error "CONFIG_PAX_NOEXEC enabled, but PAGEEXEC, SEGMEXEC, and KERNEXEC are disabled." -+#endif -+#if defined(CONFIG_PAX_ASLR) && !defined(CONFIG_PAX_RANDKSTACK) && !defined(CONFIG_PAX_RANDUSTACK) && !defined(CONFIG_PAX_RANDMMAP) -+#error "CONFIG_PAX_ASLR enabled, but RANDKSTACK, RANDUSTACK, and RANDMMAP are disabled." -+#endif -+#if defined(CONFIG_PAX) && !defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_ASLR) -+#error "CONFIG_PAX enabled, but no PaX options are enabled." -+#endif -+ -+int gr_handle_new_usb(void); -+ -+void gr_handle_brute_attach(int dumpable); -+void gr_handle_brute_check(void); -+void gr_handle_kernel_exploit(void); -+ -+char gr_roletype_to_char(void); -+ -+int gr_proc_is_restricted(void); -+ -+int gr_acl_enable_at_secure(void); -+ -+int gr_check_user_change(kuid_t real, kuid_t effective, kuid_t fs); -+int gr_check_group_change(kgid_t real, kgid_t effective, kgid_t fs); -+ -+int gr_learn_cap(const struct task_struct *task, const struct cred *cred, const int cap); -+ -+void gr_del_task_from_ip_table(struct task_struct *p); -+ -+int gr_pid_is_chrooted(struct task_struct *p); -+int gr_handle_chroot_fowner(struct pid *pid, enum pid_type type); -+int gr_handle_chroot_nice(void); -+int gr_handle_chroot_sysctl(const int op); -+int gr_handle_chroot_setpriority(struct task_struct *p, -+ const int niceval); -+int gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt); -+int gr_chroot_fhandle(void); -+int gr_handle_chroot_chroot(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_handle_chroot_chdir(const struct path *path); -+int gr_handle_chroot_chmod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode); -+int gr_handle_chroot_mknod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode); -+int gr_handle_chroot_mount(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const char *dev_name); -+int gr_handle_chroot_pivot(void); -+int gr_handle_chroot_unix(const pid_t pid); -+ -+int gr_handle_rawio(const struct inode *inode); -+ -+void gr_handle_ioperm(void); -+void gr_handle_iopl(void); -+void gr_handle_msr_write(void); -+ -+umode_t gr_acl_umask(void); -+ -+int gr_tpe_allow(const struct file *file); -+ -+void gr_set_chroot_entries(struct task_struct *task, const struct path *path); -+void gr_clear_chroot_entries(struct task_struct *task); -+ -+void gr_log_forkfail(const int retval); -+void gr_log_timechange(void); -+void gr_log_signal(const int sig, const void *addr, const struct task_struct *t); -+void gr_log_chdir(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_log_chroot_exec(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_log_remount(const char *devname, const int retval); -+void gr_log_unmount(const char *devname, const int retval); -+void gr_log_mount(const char *from, struct path *to, const int retval); -+void gr_log_textrel(struct vm_area_struct *vma); -+void gr_log_ptgnustack(struct file *file); -+void gr_log_rwxmmap(struct file *file); -+void gr_log_rwxmprotect(struct vm_area_struct *vma); -+ -+int gr_handle_follow_link(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+int gr_handle_fifo(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const struct dentry *dir, const int flag, -+ const int acc_mode); -+int gr_handle_hardlink(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const struct filename *to); -+ -+int gr_is_capable(const int cap); -+int gr_is_capable_nolog(const int cap); -+int gr_task_is_capable(const struct task_struct *task, const struct cred *cred, const int cap); -+int gr_task_is_capable_nolog(const struct task_struct *task, const int cap); -+ -+void gr_copy_label(struct task_struct *tsk); -+void gr_handle_crash(struct task_struct *task, const int sig); -+int gr_handle_signal(const struct task_struct *p, const int sig); -+int gr_check_crash_uid(const kuid_t uid); -+int gr_check_protected_task(const struct task_struct *task); -+int gr_check_protected_task_fowner(struct pid *pid, enum pid_type type); -+int gr_acl_handle_mmap(const struct file *file, -+ const unsigned long prot); -+int gr_acl_handle_mprotect(const struct file *file, -+ const unsigned long prot); -+int gr_check_hidden_task(const struct task_struct *tsk); -+__u32 gr_acl_handle_truncate(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_utime(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_access(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int fmode); -+__u32 gr_acl_handle_chmod(const struct dentry *dentry, -+ const struct vfsmount *mnt, umode_t *mode); -+__u32 gr_acl_handle_chown(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_setxattr(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_removexattr(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+int gr_handle_ptrace(struct task_struct *task, const long request); -+int gr_handle_proc_ptrace(struct task_struct *task); -+__u32 gr_acl_handle_execve(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+int gr_check_crash_exec(const struct file *filp); -+int gr_acl_is_enabled(void); -+void gr_set_role_label(struct task_struct *task, const kuid_t uid, -+ const kgid_t gid); -+int gr_set_proc_label(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const int unsafe_flags); -+__u32 gr_acl_handle_hidden_file(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_open(const struct dentry *dentry, -+ const struct vfsmount *mnt, int acc_mode); -+__u32 gr_acl_handle_creat(const struct dentry *dentry, -+ const struct dentry *p_dentry, -+ const struct vfsmount *p_mnt, -+ int open_flags, int acc_mode, const int imode); -+void gr_handle_create(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_handle_proc_create(const struct dentry *dentry, -+ const struct inode *inode); -+__u32 gr_acl_handle_mknod(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const int mode); -+__u32 gr_acl_handle_mkdir(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt); -+__u32 gr_acl_handle_rmdir(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_handle_delete(const u64 ino, const dev_t dev); -+__u32 gr_acl_handle_unlink(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_symlink(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const struct filename *from); -+__u32 gr_acl_handle_link(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const struct dentry *old_dentry, -+ const struct vfsmount *old_mnt, const struct filename *to); -+int gr_handle_symlink_owner(const struct path *link, const struct inode *target); -+int gr_acl_handle_rename(struct dentry *new_dentry, -+ struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ struct dentry *old_dentry, -+ struct inode *old_parent_inode, -+ struct vfsmount *old_mnt, const struct filename *newname, unsigned int flags); -+void gr_handle_rename(struct inode *old_dir, struct inode *new_dir, -+ struct dentry *old_dentry, -+ struct dentry *new_dentry, -+ struct vfsmount *mnt, const __u8 replace, unsigned int flags); -+__u32 gr_check_link(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const struct dentry *old_dentry, -+ const struct vfsmount *old_mnt); -+int gr_acl_handle_filldir(const struct file *file, const char *name, -+ const unsigned int namelen, const u64 ino); -+ -+__u32 gr_acl_handle_unix(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_acl_handle_exit(void); -+void gr_acl_handle_psacct(struct task_struct *task, const long code); -+int gr_acl_handle_procpidmem(const struct task_struct *task); -+int gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags); -+int gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode); -+void gr_audit_ptrace(struct task_struct *task); -+dev_t gr_get_dev_from_dentry(struct dentry *dentry); -+u64 gr_get_ino_from_dentry(struct dentry *dentry); -+void gr_put_exec_file(struct task_struct *task); -+ -+int gr_ptrace_readexec(struct file *file, int unsafe_flags); -+ -+void gr_inc_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt); -+void gr_dec_chroot_refcnts(struct dentry *dentry, struct vfsmount *mnt); -+int gr_bad_chroot_rename(struct dentry *olddentry, struct vfsmount *oldmnt, -+ struct dentry *newdentry, struct vfsmount *newmnt); -+ -+#ifdef CONFIG_GRKERNSEC_RESLOG -+extern void gr_log_resource(const struct task_struct *task, const int res, -+ const unsigned long wanted, const int gt); -+#else -+static inline void gr_log_resource(const struct task_struct *task, const int res, -+ const unsigned long wanted, const int gt) -+{ -+} -+#endif -+ -+#ifdef CONFIG_GRKERNSEC -+void task_grsec_rbac(struct seq_file *m, struct task_struct *p); -+void gr_handle_vm86(void); -+void gr_handle_mem_readwrite(u64 from, u64 to); -+ -+void gr_log_badprocpid(const char *entry); -+ -+extern int grsec_enable_dmesg; -+extern int grsec_disable_privio; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+extern kgid_t grsec_proc_gid; -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+extern int grsec_enable_chroot_findtask; -+#endif -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern int grsec_enable_setxid; -+#endif -+#endif -+ -+#endif -diff --git a/include/linux/grsock.h b/include/linux/grsock.h -new file mode 100644 -index 0000000..e7ffaaf ---- /dev/null -+++ b/include/linux/grsock.h -@@ -0,0 +1,19 @@ -+#ifndef __GRSOCK_H -+#define __GRSOCK_H -+ -+extern void gr_attach_curr_ip(const struct sock *sk); -+extern int gr_handle_sock_all(const int family, const int type, -+ const int protocol); -+extern int gr_handle_sock_server(const struct sockaddr *sck); -+extern int gr_handle_sock_server_other(const struct sock *sck); -+extern int gr_handle_sock_client(const struct sockaddr *sck); -+extern int gr_search_connect(struct socket * sock, -+ struct sockaddr_in * addr); -+extern int gr_search_bind(struct socket * sock, -+ struct sockaddr_in * addr); -+extern int gr_search_listen(struct socket * sock); -+extern int gr_search_accept(struct socket * sock); -+extern int gr_search_socket(const int domain, const int type, -+ const int protocol); -+ -+#endif -diff --git a/include/linux/highmem.h b/include/linux/highmem.h -index 9286a46..373f27f 100644 ---- a/include/linux/highmem.h -+++ b/include/linux/highmem.h -@@ -189,6 +189,18 @@ static inline void clear_highpage(struct page *page) - kunmap_atomic(kaddr); - } - -+static inline void sanitize_highpage(struct page *page) -+{ -+ void *kaddr; -+ unsigned long flags; -+ -+ local_irq_save(flags); -+ kaddr = kmap_atomic(page); -+ clear_page(kaddr); -+ kunmap_atomic(kaddr); -+ local_irq_restore(flags); -+} -+ - static inline void zero_user_segments(struct page *page, - unsigned start1, unsigned end1, - unsigned start2, unsigned end2) -diff --git a/include/linux/hwmon-sysfs.h b/include/linux/hwmon-sysfs.h -index 1c7b89a..7dda400 100644 ---- a/include/linux/hwmon-sysfs.h -+++ b/include/linux/hwmon-sysfs.h -@@ -25,7 +25,8 @@ - struct sensor_device_attribute{ - struct device_attribute dev_attr; - int index; --}; -+} __do_const; -+typedef struct sensor_device_attribute __no_const sensor_device_attribute_no_const; - #define to_sensor_dev_attr(_dev_attr) \ - container_of(_dev_attr, struct sensor_device_attribute, dev_attr) - -@@ -41,7 +42,8 @@ struct sensor_device_attribute_2 { - struct device_attribute dev_attr; - u8 index; - u8 nr; --}; -+} __do_const; -+typedef struct sensor_device_attribute_2 __no_const sensor_device_attribute_2_no_const; - #define to_sensor_dev_attr_2(_dev_attr) \ - container_of(_dev_attr, struct sensor_device_attribute_2, dev_attr) - -diff --git a/include/linux/i2c.h b/include/linux/i2c.h -index e83a738..8b323fa 100644 ---- a/include/linux/i2c.h -+++ b/include/linux/i2c.h -@@ -409,6 +409,7 @@ struct i2c_algorithm { - int (*unreg_slave)(struct i2c_client *client); - #endif - }; -+typedef struct i2c_algorithm __no_const i2c_algorithm_no_const; - - /** - * struct i2c_bus_recovery_info - I2C bus recovery information -diff --git a/include/linux/if_pppox.h b/include/linux/if_pppox.h -index 66a7d76..5e68d20 100644 ---- a/include/linux/if_pppox.h -+++ b/include/linux/if_pppox.h -@@ -78,7 +78,7 @@ struct pppox_proto { - int (*ioctl)(struct socket *sock, unsigned int cmd, - unsigned long arg); - struct module *owner; --}; -+} __do_const; - - extern int register_pppox_proto(int proto_num, const struct pppox_proto *pp); - extern void unregister_pppox_proto(int proto_num); -diff --git a/include/linux/init.h b/include/linux/init.h -index 21b6d76..4a6775c 100644 ---- a/include/linux/init.h -+++ b/include/linux/init.h -@@ -37,9 +37,17 @@ - * section. - */ - -+#define add_init_latent_entropy __latent_entropy -+ -+#ifdef CONFIG_MEMORY_HOTPLUG -+#define add_meminit_latent_entropy -+#else -+#define add_meminit_latent_entropy __latent_entropy -+#endif -+ - /* These are for everybody (although not all archs will actually - discard it in modules) */ --#define __init __section(.init.text) __cold notrace -+#define __init __section(.init.text) __cold notrace add_init_latent_entropy - #define __initdata __section(.init.data) - #define __initconst __constsection(.init.rodata) - #define __exitdata __section(.exit.data) -@@ -100,7 +108,7 @@ - #define __cpuexitconst - - /* Used for MEMORY_HOTPLUG */ --#define __meminit __section(.meminit.text) __cold notrace -+#define __meminit __section(.meminit.text) __cold notrace add_meminit_latent_entropy - #define __meminitdata __section(.meminit.data) - #define __meminitconst __constsection(.meminit.rodata) - #define __memexit __section(.memexit.text) __exitused __cold notrace -diff --git a/include/linux/init_task.h b/include/linux/init_task.h -index 696d223..6d6b39f 100644 ---- a/include/linux/init_task.h -+++ b/include/linux/init_task.h -@@ -158,6 +158,12 @@ extern struct task_group root_task_group; - - #define INIT_TASK_COMM "swapper" - -+#ifdef CONFIG_X86 -+#define INIT_TASK_THREAD_INFO .tinfo = INIT_THREAD_INFO, -+#else -+#define INIT_TASK_THREAD_INFO -+#endif -+ - #ifdef CONFIG_RT_MUTEXES - # define INIT_RT_MUTEXES(tsk) \ - .pi_waiters = RB_ROOT, \ -@@ -224,6 +230,7 @@ extern struct task_group root_task_group; - RCU_POINTER_INITIALIZER(cred, &init_cred), \ - .comm = INIT_TASK_COMM, \ - .thread = INIT_THREAD, \ -+ INIT_TASK_THREAD_INFO \ - .fs = &init_fs, \ - .files = &init_files, \ - .signal = &init_signals, \ -diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h -index 950ae45..df6ac60 100644 ---- a/include/linux/interrupt.h -+++ b/include/linux/interrupt.h -@@ -432,8 +432,8 @@ extern const char * const softirq_to_name[NR_SOFTIRQS]; - - struct softirq_action - { -- void (*action)(struct softirq_action *); --}; -+ void (*action)(void); -+} __no_const; - - asmlinkage void do_softirq(void); - asmlinkage void __do_softirq(void); -@@ -447,7 +447,7 @@ static inline void do_softirq_own_stack(void) - } - #endif - --extern void open_softirq(int nr, void (*action)(struct softirq_action *)); -+extern void open_softirq(int nr, void (*action)(void)); - extern void softirq_init(void); - extern void __raise_softirq_irqoff(unsigned int nr); - -diff --git a/include/linux/iommu.h b/include/linux/iommu.h -index 0546b87..46fd5b6 100644 ---- a/include/linux/iommu.h -+++ b/include/linux/iommu.h -@@ -174,7 +174,7 @@ struct iommu_ops { - - unsigned long pgsize_bitmap; - void *priv; --}; -+} __do_const; - - #define IOMMU_GROUP_NOTIFY_ADD_DEVICE 1 /* Device added */ - #define IOMMU_GROUP_NOTIFY_DEL_DEVICE 2 /* Pre Device removed */ -@@ -234,7 +234,7 @@ extern int iommu_domain_set_attr(struct iommu_domain *domain, enum iommu_attr, - void *data); - struct device *iommu_device_create(struct device *parent, void *drvdata, - const struct attribute_group **groups, -- const char *fmt, ...); -+ const char *fmt, ...) __printf(4, 5); - void iommu_device_destroy(struct device *dev); - int iommu_device_link(struct device *dev, struct device *link); - void iommu_device_unlink(struct device *dev, struct device *link); -diff --git a/include/linux/ioport.h b/include/linux/ioport.h -index 388e3ae..d7e45a1 100644 ---- a/include/linux/ioport.h -+++ b/include/linux/ioport.h -@@ -161,7 +161,7 @@ struct resource *lookup_resource(struct resource *root, resource_size_t start); - int adjust_resource(struct resource *res, resource_size_t start, - resource_size_t size); - resource_size_t resource_alignment(struct resource *res); --static inline resource_size_t resource_size(const struct resource *res) -+static inline resource_size_t __intentional_overflow(-1) resource_size(const struct resource *res) - { - return res->end - res->start + 1; - } -diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h -index 1eee6bc..9cf4912 100644 ---- a/include/linux/ipc_namespace.h -+++ b/include/linux/ipc_namespace.h -@@ -60,7 +60,7 @@ struct ipc_namespace { - struct user_namespace *user_ns; - - struct ns_common ns; --}; -+} __randomize_layout; - - extern struct ipc_namespace init_ipc_ns; - extern atomic_t nr_ipc_ns; -diff --git a/include/linux/irq.h b/include/linux/irq.h -index 3532dca..03ffc0b 100644 ---- a/include/linux/irq.h -+++ b/include/linux/irq.h -@@ -370,7 +370,8 @@ struct irq_chip { - int (*irq_set_irqchip_state)(struct irq_data *data, enum irqchip_irq_state which, bool state); - - unsigned long flags; --}; -+} __do_const; -+typedef struct irq_chip __no_const irq_chip_no_const; - - /* - * irq_chip specific flags -diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h -index dd1109f..4f4fdda 100644 ---- a/include/linux/irqdesc.h -+++ b/include/linux/irqdesc.h -@@ -61,7 +61,7 @@ struct irq_desc { - unsigned int irq_count; /* For detecting broken IRQs */ - unsigned long last_unhandled; /* Aging timer for unhandled count */ - unsigned int irqs_unhandled; -- atomic_t threads_handled; -+ atomic_unchecked_t threads_handled; - int threads_handled_last; - raw_spinlock_t lock; - struct cpumask *percpu_enabled; -diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h -index 676d730..8d3a1ad 100644 ---- a/include/linux/irqdomain.h -+++ b/include/linux/irqdomain.h -@@ -40,6 +40,7 @@ struct device_node; - struct irq_domain; - struct of_device_id; - struct irq_chip; -+typedef struct irq_chip __no_const irq_chip_no_const; - struct irq_data; - - /* Number of irqs reserved for a legacy isa controller */ -diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h -index c367cbd..c9b79e6 100644 ---- a/include/linux/jiffies.h -+++ b/include/linux/jiffies.h -@@ -280,20 +280,20 @@ extern unsigned long preset_lpj; - /* - * Convert various time units to each other: - */ --extern unsigned int jiffies_to_msecs(const unsigned long j); --extern unsigned int jiffies_to_usecs(const unsigned long j); -+extern unsigned int jiffies_to_msecs(const unsigned long j) __intentional_overflow(-1); -+extern unsigned int jiffies_to_usecs(const unsigned long j) __intentional_overflow(-1); - --static inline u64 jiffies_to_nsecs(const unsigned long j) -+static inline u64 __intentional_overflow(-1) jiffies_to_nsecs(const unsigned long j) - { - return (u64)jiffies_to_usecs(j) * NSEC_PER_USEC; - } - --extern unsigned long msecs_to_jiffies(const unsigned int m); --extern unsigned long usecs_to_jiffies(const unsigned int u); -+extern unsigned long msecs_to_jiffies(const unsigned int m) __intentional_overflow(-1); -+extern unsigned long usecs_to_jiffies(const unsigned int u) __intentional_overflow(-1); - extern unsigned long timespec_to_jiffies(const struct timespec *value); - extern void jiffies_to_timespec(const unsigned long jiffies, -- struct timespec *value); --extern unsigned long timeval_to_jiffies(const struct timeval *value); -+ struct timespec *value) __intentional_overflow(-1); -+extern unsigned long timeval_to_jiffies(const struct timeval *value) __intentional_overflow(-1); - extern void jiffies_to_timeval(const unsigned long jiffies, - struct timeval *value); - -diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h -index 6883e19..e854fcb 100644 ---- a/include/linux/kallsyms.h -+++ b/include/linux/kallsyms.h -@@ -15,7 +15,8 @@ - - struct module; - --#ifdef CONFIG_KALLSYMS -+#if !defined(__INCLUDED_BY_HIDESYM) || !defined(CONFIG_KALLSYMS) -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - /* Lookup the address for a symbol. Returns 0 if not found. */ - unsigned long kallsyms_lookup_name(const char *name); - -@@ -106,6 +107,21 @@ static inline int lookup_symbol_attrs(unsigned long addr, unsigned long *size, u - /* Stupid that this does nothing, but I didn't create this mess. */ - #define __print_symbol(fmt, addr) - #endif /*CONFIG_KALLSYMS*/ -+#else /* when included by kallsyms.c, vsnprintf.c, kprobes.c, or -+ arch/x86/kernel/dumpstack.c, with HIDESYM enabled */ -+extern unsigned long kallsyms_lookup_name(const char *name); -+extern void __print_symbol(const char *fmt, unsigned long address); -+extern int sprint_backtrace(char *buffer, unsigned long address); -+extern int sprint_symbol(char *buffer, unsigned long address); -+extern int sprint_symbol_no_offset(char *buffer, unsigned long address); -+const char *kallsyms_lookup(unsigned long addr, -+ unsigned long *symbolsize, -+ unsigned long *offset, -+ char **modname, char *namebuf); -+extern int kallsyms_lookup_size_offset(unsigned long addr, -+ unsigned long *symbolsize, -+ unsigned long *offset); -+#endif - - /* This macro allows us to keep printk typechecking */ - static __printf(1, 2) -diff --git a/include/linux/kernel.h b/include/linux/kernel.h -index 3a5b48e..240107b 100644 ---- a/include/linux/kernel.h -+++ b/include/linux/kernel.h -@@ -390,7 +390,7 @@ static inline int __must_check kstrtos32_from_user(const char __user *s, size_t - /* Obsolete, do not use. Use kstrto<foo> instead */ - - extern unsigned long simple_strtoul(const char *,char **,unsigned int); --extern long simple_strtol(const char *,char **,unsigned int); -+extern long simple_strtol(const char *,char **,unsigned int) __intentional_overflow(-1); - extern unsigned long long simple_strtoull(const char *,char **,unsigned int); - extern long long simple_strtoll(const char *,char **,unsigned int); - -@@ -410,7 +410,8 @@ extern __printf(3, 0) - int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); - extern __printf(2, 3) - char *kasprintf(gfp_t gfp, const char *fmt, ...); --extern char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); -+extern __printf(2, 0) -+char *kvasprintf(gfp_t gfp, const char *fmt, va_list args); - - extern __scanf(2, 3) - int sscanf(const char *, const char *, ...); -@@ -681,10 +682,10 @@ do { \ - __ftrace_vprintk(_THIS_IP_, fmt, vargs); \ - } while (0) - --extern int -+extern __printf(2, 0) int - __ftrace_vbprintk(unsigned long ip, const char *fmt, va_list ap); - --extern int -+extern __printf(2, 0) int - __ftrace_vprintk(unsigned long ip, const char *fmt, va_list ap); - - extern void ftrace_dump(enum ftrace_dump_mode oops_dump_mode); -@@ -704,7 +705,7 @@ int trace_printk(const char *fmt, ...) - { - return 0; - } --static inline int -+static __printf(1, 0) inline int - ftrace_vprintk(const char *fmt, va_list ap) - { - return 0; -diff --git a/include/linux/key-type.h b/include/linux/key-type.h -index ff9f1d3..6712be5 100644 ---- a/include/linux/key-type.h -+++ b/include/linux/key-type.h -@@ -152,7 +152,7 @@ struct key_type { - /* internal fields */ - struct list_head link; /* link in types list */ - struct lock_class_key lock_class; /* key->sem lock class */ --}; -+} __do_const; - - extern struct key_type key_type_keyring; - -diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h -index e465bb1..19f605fd 100644 ---- a/include/linux/kgdb.h -+++ b/include/linux/kgdb.h -@@ -52,7 +52,7 @@ extern int kgdb_connected; - extern int kgdb_io_module_registered; - - extern atomic_t kgdb_setting_breakpoint; --extern atomic_t kgdb_cpu_doing_single_step; -+extern atomic_unchecked_t kgdb_cpu_doing_single_step; - - extern struct task_struct *kgdb_usethread; - extern struct task_struct *kgdb_contthread; -@@ -254,7 +254,7 @@ struct kgdb_arch { - void (*correct_hw_break)(void); - - void (*enable_nmi)(bool on); --}; -+} __do_const; - - /** - * struct kgdb_io - Describe the interface for an I/O driver to talk with KGDB. -@@ -279,7 +279,7 @@ struct kgdb_io { - void (*pre_exception) (void); - void (*post_exception) (void); - int is_console; --}; -+} __do_const; - - extern struct kgdb_arch arch_kgdb_ops; - -diff --git a/include/linux/kmemleak.h b/include/linux/kmemleak.h -index d0a1f99..0bd8b7c 100644 ---- a/include/linux/kmemleak.h -+++ b/include/linux/kmemleak.h -@@ -27,7 +27,7 @@ - - extern void kmemleak_init(void) __ref; - extern void kmemleak_alloc(const void *ptr, size_t size, int min_count, -- gfp_t gfp) __ref; -+ gfp_t gfp) __ref __size_overflow(2); - extern void kmemleak_alloc_percpu(const void __percpu *ptr, size_t size, - gfp_t gfp) __ref; - extern void kmemleak_free(const void *ptr) __ref; -@@ -63,7 +63,7 @@ static inline void kmemleak_erase(void **ptr) - static inline void kmemleak_init(void) - { - } --static inline void kmemleak_alloc(const void *ptr, size_t size, int min_count, -+static inline void __size_overflow(2) kmemleak_alloc(const void *ptr, size_t size, int min_count, - gfp_t gfp) - { - } -diff --git a/include/linux/kmod.h b/include/linux/kmod.h -index 0555cc6..40116ce 100644 ---- a/include/linux/kmod.h -+++ b/include/linux/kmod.h -@@ -34,6 +34,8 @@ extern char modprobe_path[]; /* for sysctl */ - * usually useless though. */ - extern __printf(2, 3) - int __request_module(bool wait, const char *name, ...); -+extern __printf(3, 4) -+int ___request_module(bool wait, char *param_name, const char *name, ...); - #define request_module(mod...) __request_module(true, mod) - #define request_module_nowait(mod...) __request_module(false, mod) - #define try_then_request_module(x, mod...) \ -@@ -57,6 +59,9 @@ struct subprocess_info { - struct work_struct work; - struct completion *complete; - char *path; -+#ifdef CONFIG_GRKERNSEC -+ char *origpath; -+#endif - char **argv; - char **envp; - int wait; -diff --git a/include/linux/kobject.h b/include/linux/kobject.h -index 2d61b90..3d69945 100644 ---- a/include/linux/kobject.h -+++ b/include/linux/kobject.h -@@ -80,8 +80,9 @@ struct kobject { - - extern __printf(2, 3) - int kobject_set_name(struct kobject *kobj, const char *name, ...); --extern int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, -- va_list vargs); -+extern __printf(2, 0) -+int kobject_set_name_vargs(struct kobject *kobj, const char *fmt, -+ va_list vargs); - - static inline const char *kobject_name(const struct kobject *kobj) - { -@@ -118,7 +119,7 @@ struct kobj_type { - struct attribute **default_attrs; - const struct kobj_ns_type_operations *(*child_ns_type)(struct kobject *kobj); - const void *(*namespace)(struct kobject *kobj); --}; -+} __do_const; - - struct kobj_uevent_env { - char *argv[3]; -@@ -142,6 +143,7 @@ struct kobj_attribute { - ssize_t (*store)(struct kobject *kobj, struct kobj_attribute *attr, - const char *buf, size_t count); - }; -+typedef struct kobj_attribute __no_const kobj_attribute_no_const; - - extern const struct sysfs_ops kobj_sysfs_ops; - -@@ -169,7 +171,7 @@ struct kset { - spinlock_t list_lock; - struct kobject kobj; - const struct kset_uevent_ops *uevent_ops; --}; -+} __randomize_layout; - - extern void kset_init(struct kset *kset); - extern int __must_check kset_register(struct kset *kset); -diff --git a/include/linux/kobject_ns.h b/include/linux/kobject_ns.h -index df32d25..fb52e27 100644 ---- a/include/linux/kobject_ns.h -+++ b/include/linux/kobject_ns.h -@@ -44,7 +44,7 @@ struct kobj_ns_type_operations { - const void *(*netlink_ns)(struct sock *sk); - const void *(*initial_ns)(void); - void (*drop_ns)(void *); --}; -+} __do_const; - - int kobj_ns_type_register(const struct kobj_ns_type_operations *ops); - int kobj_ns_type_registered(enum kobj_ns_type type); -diff --git a/include/linux/kref.h b/include/linux/kref.h -index 484604d..0f6c5b6 100644 ---- a/include/linux/kref.h -+++ b/include/linux/kref.h -@@ -68,7 +68,7 @@ static inline void kref_get(struct kref *kref) - static inline int kref_sub(struct kref *kref, unsigned int count, - void (*release)(struct kref *kref)) - { -- WARN_ON(release == NULL); -+ BUG_ON(release == NULL); - - if (atomic_sub_and_test((int) count, &kref->refcount)) { - release(kref); -diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h -index ad45054..7c54663 100644 ---- a/include/linux/kvm_host.h -+++ b/include/linux/kvm_host.h -@@ -455,7 +455,7 @@ static inline void kvm_irqfd_exit(void) - { - } - #endif --int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, -+int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align, - struct module *module); - void kvm_exit(void); - -@@ -633,7 +633,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, - struct kvm_guest_debug *dbg); - int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run); - --int kvm_arch_init(void *opaque); -+int kvm_arch_init(const void *opaque); - void kvm_arch_exit(void); - - int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu); -diff --git a/include/linux/libata.h b/include/linux/libata.h -index e0e3378..38e206f 100644 ---- a/include/linux/libata.h -+++ b/include/linux/libata.h -@@ -991,7 +991,7 @@ struct ata_port_operations { - * fields must be pointers. - */ - const struct ata_port_operations *inherits; --}; -+} __do_const; - - struct ata_port_info { - unsigned long flags; -diff --git a/include/linux/linkage.h b/include/linux/linkage.h -index a6a42dd..6c5ebce 100644 ---- a/include/linux/linkage.h -+++ b/include/linux/linkage.h -@@ -36,6 +36,7 @@ - #endif - - #define __page_aligned_data __section(.data..page_aligned) __aligned(PAGE_SIZE) -+#define __page_aligned_rodata __read_only __aligned(PAGE_SIZE) - #define __page_aligned_bss __section(.bss..page_aligned) __aligned(PAGE_SIZE) - - /* -diff --git a/include/linux/list.h b/include/linux/list.h -index feb773c..98f3075 100644 ---- a/include/linux/list.h -+++ b/include/linux/list.h -@@ -113,6 +113,19 @@ extern void __list_del_entry(struct list_head *entry); - extern void list_del(struct list_head *entry); - #endif - -+extern void __pax_list_add(struct list_head *new, -+ struct list_head *prev, -+ struct list_head *next); -+static inline void pax_list_add(struct list_head *new, struct list_head *head) -+{ -+ __pax_list_add(new, head, head->next); -+} -+static inline void pax_list_add_tail(struct list_head *new, struct list_head *head) -+{ -+ __pax_list_add(new, head->prev, head); -+} -+extern void pax_list_del(struct list_head *entry); -+ - /** - * list_replace - replace old entry by new one - * @old : the element to be replaced -@@ -146,6 +159,8 @@ static inline void list_del_init(struct list_head *entry) - INIT_LIST_HEAD(entry); - } - -+extern void pax_list_del_init(struct list_head *entry); -+ - /** - * list_move - delete from one list and add as another's head - * @list: the entry to move -diff --git a/include/linux/lockref.h b/include/linux/lockref.h -index b10b122..d37b3de 100644 ---- a/include/linux/lockref.h -+++ b/include/linux/lockref.h -@@ -28,7 +28,7 @@ struct lockref { - #endif - struct { - spinlock_t lock; -- int count; -+ atomic_t count; - }; - }; - }; -@@ -43,9 +43,29 @@ extern void lockref_mark_dead(struct lockref *); - extern int lockref_get_not_dead(struct lockref *); - - /* Must be called under spinlock for reliable results */ --static inline int __lockref_is_dead(const struct lockref *l) -+static inline int __lockref_is_dead(const struct lockref *lockref) - { -- return ((int)l->count < 0); -+ return atomic_read(&lockref->count) < 0; -+} -+ -+static inline int __lockref_read(const struct lockref *lockref) -+{ -+ return atomic_read(&lockref->count); -+} -+ -+static inline void __lockref_set(struct lockref *lockref, int count) -+{ -+ atomic_set(&lockref->count, count); -+} -+ -+static inline void __lockref_inc(struct lockref *lockref) -+{ -+ atomic_inc(&lockref->count); -+} -+ -+static inline void __lockref_dec(struct lockref *lockref) -+{ -+ atomic_dec(&lockref->count); - } - - #endif /* __LINUX_LOCKREF_H */ -diff --git a/include/linux/math64.h b/include/linux/math64.h -index c45c089..298841c 100644 ---- a/include/linux/math64.h -+++ b/include/linux/math64.h -@@ -15,7 +15,7 @@ - * This is commonly provided by 32bit archs to provide an optimized 64bit - * divide. - */ --static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) -+static inline u64 __intentional_overflow(-1) div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) - { - *remainder = dividend % divisor; - return dividend / divisor; -@@ -42,7 +42,7 @@ static inline u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder) - /** - * div64_u64 - unsigned 64bit divide with 64bit divisor - */ --static inline u64 div64_u64(u64 dividend, u64 divisor) -+static inline u64 __intentional_overflow(-1) div64_u64(u64 dividend, u64 divisor) - { - return dividend / divisor; - } -@@ -61,7 +61,7 @@ static inline s64 div64_s64(s64 dividend, s64 divisor) - #define div64_ul(x, y) div_u64((x), (y)) - - #ifndef div_u64_rem --static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) -+static inline u64 __intentional_overflow(-1) div_u64_rem(u64 dividend, u32 divisor, u32 *remainder) - { - *remainder = do_div(dividend, divisor); - return dividend; -@@ -77,7 +77,7 @@ extern u64 div64_u64_rem(u64 dividend, u64 divisor, u64 *remainder); - #endif - - #ifndef div64_u64 --extern u64 div64_u64(u64 dividend, u64 divisor); -+extern u64 __intentional_overflow(-1) div64_u64(u64 dividend, u64 divisor); - #endif - - #ifndef div64_s64 -@@ -94,7 +94,7 @@ extern s64 div64_s64(s64 dividend, s64 divisor); - * divide. - */ - #ifndef div_u64 --static inline u64 div_u64(u64 dividend, u32 divisor) -+static inline u64 __intentional_overflow(-1) div_u64(u64 dividend, u32 divisor) - { - u32 remainder; - return div_u64_rem(dividend, divisor, &remainder); -diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h -index 3d385c8..deacb6a 100644 ---- a/include/linux/mempolicy.h -+++ b/include/linux/mempolicy.h -@@ -91,6 +91,10 @@ static inline struct mempolicy *mpol_dup(struct mempolicy *pol) - } - - #define vma_policy(vma) ((vma)->vm_policy) -+static inline void set_vma_policy(struct vm_area_struct *vma, struct mempolicy *pol) -+{ -+ vma->vm_policy = pol; -+} - - static inline void mpol_get(struct mempolicy *pol) - { -@@ -229,6 +233,9 @@ static inline void mpol_free_shared_policy(struct shared_policy *p) - } - - #define vma_policy(vma) NULL -+static inline void set_vma_policy(struct vm_area_struct *vma, struct mempolicy *pol) -+{ -+} - - static inline int - vma_dup_policy(struct vm_area_struct *src, struct vm_area_struct *dst) -diff --git a/include/linux/mm.h b/include/linux/mm.h -index 0755b9f..bf8eab1 100644 ---- a/include/linux/mm.h -+++ b/include/linux/mm.h -@@ -135,6 +135,11 @@ extern unsigned int kobjsize(const void *objp); - - #define VM_DONTCOPY 0x00020000 /* Do not copy this vma on fork */ - #define VM_DONTEXPAND 0x00040000 /* Cannot expand with mremap() */ -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+#define VM_PAGEEXEC 0x00080000 /* vma->vm_page_prot needs special handling */ -+#endif -+ - #define VM_ACCOUNT 0x00100000 /* Is a VM accounted object */ - #define VM_NORESERVE 0x00200000 /* should the VM suppress accounting */ - #define VM_HUGETLB 0x00400000 /* Huge TLB Page VM */ -@@ -257,8 +262,8 @@ struct vm_operations_struct { - /* called by access_process_vm when get_user_pages() fails, typically - * for use by special VMAs that can switch between memory and hardware - */ -- int (*access)(struct vm_area_struct *vma, unsigned long addr, -- void *buf, int len, int write); -+ ssize_t (*access)(struct vm_area_struct *vma, unsigned long addr, -+ void *buf, size_t len, int write); - - /* Called by the /proc/PID/maps code to ask the vma whether it - * has a special name. Returning non-NULL will also cause this -@@ -296,6 +301,7 @@ struct vm_operations_struct { - struct page *(*find_special_page)(struct vm_area_struct *vma, - unsigned long addr); - }; -+typedef struct vm_operations_struct __no_const vm_operations_struct_no_const; - - struct mmu_gather; - struct inode; -@@ -1002,6 +1008,34 @@ static inline int page_mapped(struct page *page) - } - - /* -+ * Return true only if the page has been allocated with -+ * ALLOC_NO_WATERMARKS and the low watermark was not -+ * met implying that the system is under some pressure. -+ */ -+static inline bool page_is_pfmemalloc(struct page *page) -+{ -+ /* -+ * Page index cannot be this large so this must be -+ * a pfmemalloc page. -+ */ -+ return page->index == -1UL; -+} -+ -+/* -+ * Only to be called by the page allocator on a freshly allocated -+ * page. -+ */ -+static inline void set_page_pfmemalloc(struct page *page) -+{ -+ page->index = -1UL; -+} -+ -+static inline void clear_page_pfmemalloc(struct page *page) -+{ -+ page->index = 0; -+} -+ -+/* - * Different kinds of faults, as returned by handle_mm_fault(). - * Used to decide whether a process gets delivered SIGBUS or - * just gets major/minor fault counters bumped up. -@@ -1131,8 +1165,8 @@ int follow_pfn(struct vm_area_struct *vma, unsigned long address, - unsigned long *pfn); - int follow_phys(struct vm_area_struct *vma, unsigned long address, - unsigned int flags, unsigned long *prot, resource_size_t *phys); --int generic_access_phys(struct vm_area_struct *vma, unsigned long addr, -- void *buf, int len, int write); -+ssize_t generic_access_phys(struct vm_area_struct *vma, unsigned long addr, -+ void *buf, size_t len, int write); - - static inline void unmap_shared_mapping_range(struct address_space *mapping, - loff_t const holebegin, loff_t const holelen) -@@ -1172,9 +1206,9 @@ static inline int fixup_user_fault(struct task_struct *tsk, - } - #endif - --extern int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write); --extern int access_remote_vm(struct mm_struct *mm, unsigned long addr, -- void *buf, int len, int write); -+extern ssize_t access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, size_t len, int write); -+extern ssize_t access_remote_vm(struct mm_struct *mm, unsigned long addr, -+ void *buf, size_t len, int write); - - long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - unsigned long start, unsigned long nr_pages, -@@ -1219,34 +1253,6 @@ int clear_page_dirty_for_io(struct page *page); - - int get_cmdline(struct task_struct *task, char *buffer, int buflen); - --/* Is the vma a continuation of the stack vma above it? */ --static inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr) --{ -- return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN); --} -- --static inline int stack_guard_page_start(struct vm_area_struct *vma, -- unsigned long addr) --{ -- return (vma->vm_flags & VM_GROWSDOWN) && -- (vma->vm_start == addr) && -- !vma_growsdown(vma->vm_prev, addr); --} -- --/* Is the vma a continuation of the stack vma below it? */ --static inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr) --{ -- return vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP); --} -- --static inline int stack_guard_page_end(struct vm_area_struct *vma, -- unsigned long addr) --{ -- return (vma->vm_flags & VM_GROWSUP) && -- (vma->vm_end == addr) && -- !vma_growsup(vma->vm_next, addr); --} -- - extern struct task_struct *task_of_stack(struct task_struct *task, - struct vm_area_struct *vma, bool in_group); - -@@ -1369,8 +1375,15 @@ static inline int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, - { - return 0; - } -+ -+static inline int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, -+ unsigned long address) -+{ -+ return 0; -+} - #else - int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address); -+int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address); - #endif - - #if defined(__PAGETABLE_PMD_FOLDED) || !defined(CONFIG_MMU) -@@ -1380,6 +1393,12 @@ static inline int __pmd_alloc(struct mm_struct *mm, pud_t *pud, - return 0; - } - -+static inline int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, -+ unsigned long address) -+{ -+ return 0; -+} -+ - static inline void mm_nr_pmds_init(struct mm_struct *mm) {} - - static inline unsigned long mm_nr_pmds(struct mm_struct *mm) -@@ -1392,6 +1411,7 @@ static inline void mm_dec_nr_pmds(struct mm_struct *mm) {} - - #else - int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address); -+int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address); - - static inline void mm_nr_pmds_init(struct mm_struct *mm) - { -@@ -1429,11 +1449,23 @@ static inline pud_t *pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long a - NULL: pud_offset(pgd, address); - } - -+static inline pud_t *pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address) -+{ -+ return (unlikely(pgd_none(*pgd)) && __pud_alloc_kernel(mm, pgd, address))? -+ NULL: pud_offset(pgd, address); -+} -+ - static inline pmd_t *pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address) - { - return (unlikely(pud_none(*pud)) && __pmd_alloc(mm, pud, address))? - NULL: pmd_offset(pud, address); - } -+ -+static inline pmd_t *pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address) -+{ -+ return (unlikely(pud_none(*pud)) && __pmd_alloc_kernel(mm, pud, address))? -+ NULL: pmd_offset(pud, address); -+} - #endif /* CONFIG_MMU && !__ARCH_HAS_4LEVEL_HACK */ - - #if USE_SPLIT_PTE_PTLOCKS -@@ -1810,12 +1842,23 @@ extern struct vm_area_struct *copy_vma(struct vm_area_struct **, - bool *need_rmap_locks); - extern void exit_mmap(struct mm_struct *); - -+#if defined(CONFIG_GRKERNSEC) && (defined(CONFIG_GRKERNSEC_RESLOG) || !defined(CONFIG_GRKERNSEC_NO_RBAC)) -+extern void gr_learn_resource(const struct task_struct *task, const int res, -+ const unsigned long wanted, const int gt); -+#else -+static inline void gr_learn_resource(const struct task_struct *task, const int res, -+ const unsigned long wanted, const int gt) -+{ -+} -+#endif -+ - static inline int check_data_rlimit(unsigned long rlim, - unsigned long new, - unsigned long start, - unsigned long end_data, - unsigned long start_data) - { -+ gr_learn_resource(current, RLIMIT_DATA, (new - start) + (end_data - start_data), 1); - if (rlim < RLIM_INFINITY) { - if (((new - start) + (end_data - start_data)) > rlim) - return -ENOSPC; -@@ -1840,7 +1883,7 @@ extern int install_special_mapping(struct mm_struct *mm, - unsigned long addr, unsigned long len, - unsigned long flags, struct page **pages); - --extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long); -+extern unsigned long get_unmapped_area(struct file *, unsigned long, unsigned long, unsigned long, unsigned long) __intentional_overflow(-1); - - extern unsigned long mmap_region(struct file *file, unsigned long addr, - unsigned long len, vm_flags_t vm_flags, unsigned long pgoff); -@@ -1848,6 +1891,7 @@ extern unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, - unsigned long len, unsigned long prot, unsigned long flags, - unsigned long pgoff, unsigned long *populate); - extern int do_munmap(struct mm_struct *, unsigned long, size_t); -+extern int __do_munmap(struct mm_struct *, unsigned long, size_t); - - #ifdef CONFIG_MMU - extern int __mm_populate(unsigned long addr, unsigned long len, -@@ -1876,10 +1920,11 @@ struct vm_unmapped_area_info { - unsigned long high_limit; - unsigned long align_mask; - unsigned long align_offset; -+ unsigned long threadstack_offset; - }; - --extern unsigned long unmapped_area(struct vm_unmapped_area_info *info); --extern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info); -+extern unsigned long unmapped_area(const struct vm_unmapped_area_info *info); -+extern unsigned long unmapped_area_topdown(const struct vm_unmapped_area_info *info); - - /* - * Search for an unmapped address range. -@@ -1891,7 +1936,7 @@ extern unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info); - * - satisfies (begin_addr & align_mask) == (align_offset & align_mask) - */ - static inline unsigned long --vm_unmapped_area(struct vm_unmapped_area_info *info) -+vm_unmapped_area(const struct vm_unmapped_area_info *info) - { - if (info->flags & VM_UNMAPPED_AREA_TOPDOWN) - return unmapped_area_topdown(info); -@@ -1953,6 +1998,10 @@ extern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long add - extern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr, - struct vm_area_struct **pprev); - -+extern struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma); -+extern __must_check long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma); -+extern void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl); -+ - /* Look up the first VMA which intersects the interval start_addr..end_addr-1, - NULL if none. Assume start_addr < end_addr. */ - static inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr) -@@ -1982,10 +2031,10 @@ static inline struct vm_area_struct *find_exact_vma(struct mm_struct *mm, - } - - #ifdef CONFIG_MMU --pgprot_t vm_get_page_prot(unsigned long vm_flags); -+pgprot_t vm_get_page_prot(vm_flags_t vm_flags); - void vma_set_page_prot(struct vm_area_struct *vma); - #else --static inline pgprot_t vm_get_page_prot(unsigned long vm_flags) -+static inline pgprot_t vm_get_page_prot(vm_flags_t vm_flags) - { - return __pgprot(0); - } -@@ -2047,6 +2096,11 @@ void vm_stat_account(struct mm_struct *, unsigned long, struct file *, long); - static inline void vm_stat_account(struct mm_struct *mm, - unsigned long flags, struct file *file, long pages) - { -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP) || (flags & (VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC))) -+#endif -+ - mm->total_vm += pages; - } - #endif /* CONFIG_PROC_FS */ -@@ -2149,7 +2203,7 @@ extern int unpoison_memory(unsigned long pfn); - extern int sysctl_memory_failure_early_kill; - extern int sysctl_memory_failure_recovery; - extern void shake_page(struct page *p, int access); --extern atomic_long_t num_poisoned_pages; -+extern atomic_long_unchecked_t num_poisoned_pages; - extern int soft_offline_page(struct page *page, int flags); - - #if defined(CONFIG_TRANSPARENT_HUGEPAGE) || defined(CONFIG_HUGETLBFS) -@@ -2200,5 +2254,11 @@ void __init setup_nr_node_ids(void); - static inline void setup_nr_node_ids(void) {} - #endif - -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+extern void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot); -+#else -+static inline void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot) {} -+#endif -+ - #endif /* __KERNEL__ */ - #endif /* _LINUX_MM_H */ -diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h -index 8d37e26..29c54c9 100644 ---- a/include/linux/mm_types.h -+++ b/include/linux/mm_types.h -@@ -63,15 +63,6 @@ struct page { - union { - pgoff_t index; /* Our offset within mapping. */ - void *freelist; /* sl[aou]b first free object */ -- bool pfmemalloc; /* If set by the page allocator, -- * ALLOC_NO_WATERMARKS was set -- * and the low watermark was not -- * met implying that the system -- * is under some pressure. The -- * caller should try ensure -- * this page is only used to -- * free other pages. -- */ - }; - - union { -@@ -313,7 +304,9 @@ struct vm_area_struct { - #ifdef CONFIG_NUMA - struct mempolicy *vm_policy; /* NUMA policy for the VMA */ - #endif --}; -+ -+ struct vm_area_struct *vm_mirror;/* PaX: mirror vma or NULL */ -+} __randomize_layout; - - struct core_thread { - struct task_struct *task; -@@ -466,7 +459,25 @@ struct mm_struct { - /* address of the bounds directory */ - void __user *bd_addr; - #endif --}; -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ unsigned long pax_flags; -+#endif -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ unsigned long call_dl_resolve; -+#endif -+ -+#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT) -+ unsigned long call_syscall; -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+ unsigned long delta_mmap; /* randomized offset */ -+ unsigned long delta_stack; /* randomized offset */ -+#endif -+ -+} __randomize_layout; - - static inline void mm_init_cpumask(struct mm_struct *mm) - { -diff --git a/include/linux/mmiotrace.h b/include/linux/mmiotrace.h -index c5d5278..85cd5ce 100644 ---- a/include/linux/mmiotrace.h -+++ b/include/linux/mmiotrace.h -@@ -46,7 +46,7 @@ extern int kmmio_handler(struct pt_regs *regs, unsigned long addr); - /* Called from ioremap.c */ - extern void mmiotrace_ioremap(resource_size_t offset, unsigned long size, - void __iomem *addr); --extern void mmiotrace_iounmap(volatile void __iomem *addr); -+extern void mmiotrace_iounmap(const volatile void __iomem *addr); - - /* For anyone to insert markers. Remember trailing newline. */ - extern __printf(1, 2) int mmiotrace_printk(const char *fmt, ...); -@@ -66,7 +66,7 @@ static inline void mmiotrace_ioremap(resource_size_t offset, - { - } - --static inline void mmiotrace_iounmap(volatile void __iomem *addr) -+static inline void mmiotrace_iounmap(const volatile void __iomem *addr) - { - } - -@@ -106,6 +106,6 @@ extern void enable_mmiotrace(void); - extern void disable_mmiotrace(void); - extern void mmio_trace_rw(struct mmiotrace_rw *rw); - extern void mmio_trace_mapping(struct mmiotrace_map *map); --extern int mmio_trace_printk(const char *fmt, va_list args); -+extern __printf(1, 0) int mmio_trace_printk(const char *fmt, va_list args); - - #endif /* _LINUX_MMIOTRACE_H */ -diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h -index 54d74f6..0728424 100644 ---- a/include/linux/mmzone.h -+++ b/include/linux/mmzone.h -@@ -526,7 +526,7 @@ struct zone { - - ZONE_PADDING(_pad3_) - /* Zone statistics */ -- atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; -+ atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; - } ____cacheline_internodealigned_in_smp; - - enum zone_flags { -diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h -index 3bfd567..72e7d8f 100644 ---- a/include/linux/mod_devicetable.h -+++ b/include/linux/mod_devicetable.h -@@ -139,7 +139,7 @@ struct usb_device_id { - #define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200 - #define USB_DEVICE_ID_MATCH_INT_NUMBER 0x0400 - --#define HID_ANY_ID (~0) -+#define HID_ANY_ID (~0U) - #define HID_BUS_ANY 0xffff - #define HID_GROUP_ANY 0x0000 - -@@ -470,7 +470,7 @@ struct dmi_system_id { - const char *ident; - struct dmi_strmatch matches[4]; - void *driver_data; --}; -+} __do_const; - /* - * struct dmi_device_id appears during expansion of - * "MODULE_DEVICE_TABLE(dmi, x)". Compiler doesn't look inside it -diff --git a/include/linux/module.h b/include/linux/module.h -index c883b86..516812e 100644 ---- a/include/linux/module.h -+++ b/include/linux/module.h -@@ -17,9 +17,11 @@ - #include <linux/moduleparam.h> - #include <linux/jump_label.h> - #include <linux/export.h> -+#include <linux/fs.h> - - #include <linux/percpu.h> - #include <asm/module.h> -+#include <asm/pgtable.h> - - /* In stripped ARM and x86-64 modules, ~ is surprisingly rare. */ - #define MODULE_SIG_STRING "~Module signature appended~\n" -@@ -42,7 +44,7 @@ struct module_kobject { - struct kobject *drivers_dir; - struct module_param_attrs *mp; - struct completion *kobj_completion; --}; -+} __randomize_layout; - - struct module_attribute { - struct attribute attr; -@@ -54,12 +56,13 @@ struct module_attribute { - int (*test)(struct module *); - void (*free)(struct module *); - }; -+typedef struct module_attribute __no_const module_attribute_no_const; - - struct module_version_attribute { - struct module_attribute mattr; - const char *module_name; - const char *version; --} __attribute__ ((__aligned__(sizeof(void *)))); -+} __do_const __attribute__ ((__aligned__(sizeof(void *)))); - - extern ssize_t __modver_version_show(struct module_attribute *, - struct module_kobject *, char *); -@@ -221,7 +224,7 @@ struct module { - - /* Sysfs stuff. */ - struct module_kobject mkobj; -- struct module_attribute *modinfo_attrs; -+ module_attribute_no_const *modinfo_attrs; - const char *version; - const char *srcversion; - struct kobject *holders_dir; -@@ -270,19 +273,16 @@ struct module { - int (*init)(void); - - /* If this is non-NULL, vfree after init() returns */ -- void *module_init; -+ void *module_init_rx, *module_init_rw; - - /* Here is the actual code + data, vfree'd on unload. */ -- void *module_core; -+ void *module_core_rx, *module_core_rw; - - /* Here are the sizes of the init and core sections */ -- unsigned int init_size, core_size; -+ unsigned int init_size_rw, core_size_rw; - - /* The size of the executable code in each section. */ -- unsigned int init_text_size, core_text_size; -- -- /* Size of RO sections of the module (text+rodata) */ -- unsigned int init_ro_size, core_ro_size; -+ unsigned int init_size_rx, core_size_rx; - - /* Arch-specific module values */ - struct mod_arch_specific arch; -@@ -340,6 +340,10 @@ struct module { - unsigned int num_trace_events; - struct trace_enum_map **trace_enums; - unsigned int num_trace_enums; -+ struct file_operations trace_id; -+ struct file_operations trace_enable; -+ struct file_operations trace_format; -+ struct file_operations trace_filter; - #endif - #ifdef CONFIG_FTRACE_MCOUNT_RECORD - unsigned int num_ftrace_callsites; -@@ -367,7 +371,7 @@ struct module { - ctor_fn_t *ctors; - unsigned int num_ctors; - #endif --}; -+} __randomize_layout; - #ifndef MODULE_ARCH_INIT - #define MODULE_ARCH_INIT {} - #endif -@@ -388,18 +392,48 @@ bool is_module_address(unsigned long addr); - bool is_module_percpu_address(unsigned long addr); - bool is_module_text_address(unsigned long addr); - -+static inline int within_module_range(unsigned long addr, void *start, unsigned long size) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ if (ktla_ktva(addr) >= (unsigned long)start && -+ ktla_ktva(addr) < (unsigned long)start + size) -+ return 1; -+#endif -+ -+ return ((void *)addr >= start && (void *)addr < start + size); -+} -+ -+static inline int within_module_core_rx(unsigned long addr, const struct module *mod) -+{ -+ return within_module_range(addr, mod->module_core_rx, mod->core_size_rx); -+} -+ -+static inline int within_module_core_rw(unsigned long addr, const struct module *mod) -+{ -+ return within_module_range(addr, mod->module_core_rw, mod->core_size_rw); -+} -+ -+static inline int within_module_init_rx(unsigned long addr, const struct module *mod) -+{ -+ return within_module_range(addr, mod->module_init_rx, mod->init_size_rx); -+} -+ -+static inline int within_module_init_rw(unsigned long addr, const struct module *mod) -+{ -+ return within_module_range(addr, mod->module_init_rw, mod->init_size_rw); -+} -+ - static inline bool within_module_core(unsigned long addr, - const struct module *mod) - { -- return (unsigned long)mod->module_core <= addr && -- addr < (unsigned long)mod->module_core + mod->core_size; -+ return within_module_core_rx(addr, mod) || within_module_core_rw(addr, mod); - } - - static inline bool within_module_init(unsigned long addr, - const struct module *mod) - { -- return (unsigned long)mod->module_init <= addr && -- addr < (unsigned long)mod->module_init + mod->init_size; -+ return within_module_init_rx(addr, mod) || within_module_init_rw(addr, mod); - } - - static inline bool within_module(unsigned long addr, const struct module *mod) -diff --git a/include/linux/moduleloader.h b/include/linux/moduleloader.h -index 4d0cb9b..3169ac7 100644 ---- a/include/linux/moduleloader.h -+++ b/include/linux/moduleloader.h -@@ -25,9 +25,21 @@ unsigned int arch_mod_section_prepend(struct module *mod, unsigned int section); - sections. Returns NULL on failure. */ - void *module_alloc(unsigned long size); - -+#ifdef CONFIG_PAX_KERNEXEC -+void *module_alloc_exec(unsigned long size); -+#else -+#define module_alloc_exec(x) module_alloc(x) -+#endif -+ - /* Free memory returned from module_alloc. */ - void module_memfree(void *module_region); - -+#ifdef CONFIG_PAX_KERNEXEC -+void module_memfree_exec(void *module_region); -+#else -+#define module_memfree_exec(x) module_memfree((x)) -+#endif -+ - /* - * Apply the given relocation to the (simplified) ELF. Return -error - * or 0. -@@ -45,8 +57,10 @@ static inline int apply_relocate(Elf_Shdr *sechdrs, - unsigned int relsec, - struct module *me) - { -+#ifdef CONFIG_MODULES - printk(KERN_ERR "module %s: REL relocation unsupported\n", - module_name(me)); -+#endif - return -ENOEXEC; - } - #endif -@@ -68,8 +82,10 @@ static inline int apply_relocate_add(Elf_Shdr *sechdrs, - unsigned int relsec, - struct module *me) - { -+#ifdef CONFIG_MODULES - printk(KERN_ERR "module %s: REL relocation unsupported\n", - module_name(me)); -+#endif - return -ENOEXEC; - } - #endif -diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h -index 1c9effa..1160bdd 100644 ---- a/include/linux/moduleparam.h -+++ b/include/linux/moduleparam.h -@@ -323,7 +323,7 @@ static inline void __kernel_param_unlock(void) - * @len is usually just sizeof(string). - */ - #define module_param_string(name, string, len, perm) \ -- static const struct kparam_string __param_string_##name \ -+ static const struct kparam_string __param_string_##name __used \ - = { len, string }; \ - __module_param_call(MODULE_PARAM_PREFIX, name, \ - &param_ops_string, \ -@@ -467,7 +467,7 @@ extern int param_set_bint(const char *val, const struct kernel_param *kp); - */ - #define module_param_array_named(name, array, type, nump, perm) \ - param_check_##type(name, &(array)[0]); \ -- static const struct kparam_array __param_arr_##name \ -+ static const struct kparam_array __param_arr_##name __used \ - = { .max = ARRAY_SIZE(array), .num = nump, \ - .ops = &param_ops_##type, \ - .elemsize = sizeof(array[0]), .elem = array }; \ -diff --git a/include/linux/mount.h b/include/linux/mount.h -index f822c3c..958ca0a 100644 ---- a/include/linux/mount.h -+++ b/include/linux/mount.h -@@ -67,7 +67,7 @@ struct vfsmount { - struct dentry *mnt_root; /* root of the mounted tree */ - struct super_block *mnt_sb; /* pointer to superblock */ - int mnt_flags; --}; -+} __randomize_layout; - - struct file; /* forward dec */ - struct path; -diff --git a/include/linux/namei.h b/include/linux/namei.h -index c899077..b9a2010 100644 ---- a/include/linux/namei.h -+++ b/include/linux/namei.h -@@ -71,8 +71,8 @@ extern struct dentry *lock_rename(struct dentry *, struct dentry *); - extern void unlock_rename(struct dentry *, struct dentry *); - - extern void nd_jump_link(struct nameidata *nd, struct path *path); --extern void nd_set_link(struct nameidata *nd, char *path); --extern char *nd_get_link(struct nameidata *nd); -+extern void nd_set_link(struct nameidata *nd, const char *path); -+extern const char *nd_get_link(const struct nameidata *nd); - - static inline void nd_terminate_link(void *name, size_t len, size_t maxlen) - { -diff --git a/include/linux/net.h b/include/linux/net.h -index 738ea48..409dc09 100644 ---- a/include/linux/net.h -+++ b/include/linux/net.h -@@ -190,7 +190,7 @@ struct net_proto_family { - int (*create)(struct net *net, struct socket *sock, - int protocol, int kern); - struct module *owner; --}; -+} __do_const; - - struct iovec; - struct kvec; -diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h -index 05b9a69..4d7e300 100644 ---- a/include/linux/netdevice.h -+++ b/include/linux/netdevice.h -@@ -1208,6 +1208,7 @@ struct net_device_ops { - u32 maxrate); - int (*ndo_get_iflink)(const struct net_device *dev); - }; -+typedef struct net_device_ops __no_const net_device_ops_no_const; - - /** - * enum net_device_priv_flags - &struct net_device priv_flags -@@ -1515,7 +1516,7 @@ struct net_device { - unsigned long base_addr; - int irq; - -- atomic_t carrier_changes; -+ atomic_unchecked_t carrier_changes; - - /* - * Some hardware also needs these fields (state,dev_list, -@@ -1554,8 +1555,8 @@ struct net_device { - - struct net_device_stats stats; - -- atomic_long_t rx_dropped; -- atomic_long_t tx_dropped; -+ atomic_long_unchecked_t rx_dropped; -+ atomic_long_unchecked_t tx_dropped; - - #ifdef CONFIG_WIRELESS_EXT - const struct iw_handler_def * wireless_handlers; -diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h -index 63560d0..64aba5c 100644 ---- a/include/linux/netfilter.h -+++ b/include/linux/netfilter.h -@@ -113,7 +113,7 @@ struct nf_sockopt_ops { - #endif - /* Use the module struct to lock set/get code in place */ - struct module *owner; --}; -+} __do_const; - - /* Function to register/unregister hook points. */ - int nf_register_hook(struct nf_hook_ops *reg); -diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h -index e955d47..04a5338 100644 ---- a/include/linux/netfilter/nfnetlink.h -+++ b/include/linux/netfilter/nfnetlink.h -@@ -19,7 +19,7 @@ struct nfnl_callback { - const struct nlattr * const cda[]); - const struct nla_policy *policy; /* netlink attribute policy */ - const u_int16_t attr_count; /* number of nlattr's */ --}; -+} __do_const; - - struct nfnetlink_subsystem { - const char *name; -diff --git a/include/linux/netfilter/xt_gradm.h b/include/linux/netfilter/xt_gradm.h -new file mode 100644 -index 0000000..33f4af8 ---- /dev/null -+++ b/include/linux/netfilter/xt_gradm.h -@@ -0,0 +1,9 @@ -+#ifndef _LINUX_NETFILTER_XT_GRADM_H -+#define _LINUX_NETFILTER_XT_GRADM_H 1 -+ -+struct xt_gradm_mtinfo { -+ __u16 flags; -+ __u16 invflags; -+}; -+ -+#endif -diff --git a/include/linux/nls.h b/include/linux/nls.h -index 520681b..2b7fabb 100644 ---- a/include/linux/nls.h -+++ b/include/linux/nls.h -@@ -31,7 +31,7 @@ struct nls_table { - const unsigned char *charset2upper; - struct module *owner; - struct nls_table *next; --}; -+} __do_const; - - /* this value hold the maximum octet of charset */ - #define NLS_MAX_CHARSET_SIZE 6 /* for UTF-8 */ -@@ -46,7 +46,7 @@ enum utf16_endian { - /* nls_base.c */ - extern int __register_nls(struct nls_table *, struct module *); - extern int unregister_nls(struct nls_table *); --extern struct nls_table *load_nls(char *); -+extern struct nls_table *load_nls(const char *); - extern void unload_nls(struct nls_table *); - extern struct nls_table *load_nls_default(void); - #define register_nls(nls) __register_nls((nls), THIS_MODULE) -diff --git a/include/linux/notifier.h b/include/linux/notifier.h -index d14a4c3..a078786 100644 ---- a/include/linux/notifier.h -+++ b/include/linux/notifier.h -@@ -54,7 +54,8 @@ struct notifier_block { - notifier_fn_t notifier_call; - struct notifier_block __rcu *next; - int priority; --}; -+} __do_const; -+typedef struct notifier_block __no_const notifier_block_no_const; - - struct atomic_notifier_head { - spinlock_t lock; -diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h -index b2a0f15..4d7da32 100644 ---- a/include/linux/oprofile.h -+++ b/include/linux/oprofile.h -@@ -138,9 +138,9 @@ int oprofilefs_create_ulong(struct dentry * root, - int oprofilefs_create_ro_ulong(struct dentry * root, - char const * name, ulong * val); - --/** Create a file for read-only access to an atomic_t. */ -+/** Create a file for read-only access to an atomic_unchecked_t. */ - int oprofilefs_create_ro_atomic(struct dentry * root, -- char const * name, atomic_t * val); -+ char const * name, atomic_unchecked_t * val); - - /** create a directory */ - struct dentry *oprofilefs_mkdir(struct dentry *parent, char const *name); -diff --git a/include/linux/padata.h b/include/linux/padata.h -index 4386946..f50c615 100644 ---- a/include/linux/padata.h -+++ b/include/linux/padata.h -@@ -129,7 +129,7 @@ struct parallel_data { - struct padata_serial_queue __percpu *squeue; - atomic_t reorder_objects; - atomic_t refcnt; -- atomic_t seq_nr; -+ atomic_unchecked_t seq_nr; - struct padata_cpumask cpumask; - spinlock_t lock ____cacheline_aligned; - unsigned int processed; -diff --git a/include/linux/path.h b/include/linux/path.h -index d137218..be0c176 100644 ---- a/include/linux/path.h -+++ b/include/linux/path.h -@@ -1,13 +1,15 @@ - #ifndef _LINUX_PATH_H - #define _LINUX_PATH_H - -+#include <linux/compiler.h> -+ - struct dentry; - struct vfsmount; - - struct path { - struct vfsmount *mnt; - struct dentry *dentry; --}; -+} __randomize_layout; - - extern void path_get(const struct path *); - extern void path_put(const struct path *); -diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h -index 8c78950..0d74ed9 100644 ---- a/include/linux/pci_hotplug.h -+++ b/include/linux/pci_hotplug.h -@@ -71,7 +71,8 @@ struct hotplug_slot_ops { - int (*get_latch_status) (struct hotplug_slot *slot, u8 *value); - int (*get_adapter_status) (struct hotplug_slot *slot, u8 *value); - int (*reset_slot) (struct hotplug_slot *slot, int probe); --}; -+} __do_const; -+typedef struct hotplug_slot_ops __no_const hotplug_slot_ops_no_const; - - /** - * struct hotplug_slot_info - used to notify the hotplug pci core of the state of the slot -diff --git a/include/linux/percpu.h b/include/linux/percpu.h -index caebf2a..4c3ae9d 100644 ---- a/include/linux/percpu.h -+++ b/include/linux/percpu.h -@@ -34,7 +34,7 @@ - * preallocate for this. Keep PERCPU_DYNAMIC_RESERVE equal to or - * larger than PERCPU_DYNAMIC_EARLY_SIZE. - */ --#define PERCPU_DYNAMIC_EARLY_SLOTS 128 -+#define PERCPU_DYNAMIC_EARLY_SLOTS 256 - #define PERCPU_DYNAMIC_EARLY_SIZE (12 << 10) - - /* -diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h -index d8a82a8..8b580f0 100644 ---- a/include/linux/perf_event.h -+++ b/include/linux/perf_event.h -@@ -379,8 +379,8 @@ struct perf_event { - - enum perf_event_active_state state; - unsigned int attach_state; -- local64_t count; -- atomic64_t child_count; -+ local64_t count; /* PaX: fix it one day */ -+ atomic64_unchecked_t child_count; - - /* - * These are the total time in nanoseconds that the event -@@ -431,8 +431,8 @@ struct perf_event { - * These accumulate total time (in nanoseconds) that children - * events have been enabled and running, respectively. - */ -- atomic64_t child_total_time_enabled; -- atomic64_t child_total_time_running; -+ atomic64_unchecked_t child_total_time_enabled; -+ atomic64_unchecked_t child_total_time_running; - - /* - * Protect attach/detach and child_list: -@@ -812,7 +812,7 @@ static inline void perf_event_task_sched_out(struct task_struct *prev, - - static inline u64 __perf_event_count(struct perf_event *event) - { -- return local64_read(&event->count) + atomic64_read(&event->child_count); -+ return local64_read(&event->count) + atomic64_read_unchecked(&event->child_count); - } - - extern void perf_event_mmap(struct vm_area_struct *vma); -@@ -836,7 +836,7 @@ static inline void perf_callchain_store(struct perf_callchain_entry *entry, u64 - entry->ip[entry->nr++] = ip; - } - --extern int sysctl_perf_event_paranoid; -+extern int sysctl_perf_event_legitimately_concerned; - extern int sysctl_perf_event_mlock; - extern int sysctl_perf_event_sample_rate; - extern int sysctl_perf_cpu_time_max_percent; -@@ -851,19 +851,24 @@ extern int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write, - loff_t *ppos); - - -+static inline bool perf_paranoid_any(void) -+{ -+ return sysctl_perf_event_legitimately_concerned > 2; -+} -+ - static inline bool perf_paranoid_tracepoint_raw(void) - { -- return sysctl_perf_event_paranoid > -1; -+ return sysctl_perf_event_legitimately_concerned > -1; - } - - static inline bool perf_paranoid_cpu(void) - { -- return sysctl_perf_event_paranoid > 0; -+ return sysctl_perf_event_legitimately_concerned > 0; - } - - static inline bool perf_paranoid_kernel(void) - { -- return sysctl_perf_event_paranoid > 1; -+ return sysctl_perf_event_legitimately_concerned > 1; - } - - extern void perf_event_init(void); -@@ -1017,7 +1022,7 @@ struct perf_pmu_events_attr { - struct device_attribute attr; - u64 id; - const char *event_str; --}; -+} __do_const; - - ssize_t perf_event_sysfs_show(struct device *dev, struct device_attribute *attr, - char *page); -diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h -index 918b117..7af374b7 100644 ---- a/include/linux/pid_namespace.h -+++ b/include/linux/pid_namespace.h -@@ -45,7 +45,7 @@ struct pid_namespace { - int hide_pid; - int reboot; /* group exit code if this pidns was rebooted */ - struct ns_common ns; --}; -+} __randomize_layout; - - extern struct pid_namespace init_pid_ns; - -diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h -index eb8b8ac..62649e1 100644 ---- a/include/linux/pipe_fs_i.h -+++ b/include/linux/pipe_fs_i.h -@@ -47,10 +47,10 @@ struct pipe_inode_info { - struct mutex mutex; - wait_queue_head_t wait; - unsigned int nrbufs, curbuf, buffers; -- unsigned int readers; -- unsigned int writers; -- unsigned int files; -- unsigned int waiting_writers; -+ atomic_t readers; -+ atomic_t writers; -+ atomic_t files; -+ atomic_t waiting_writers; - unsigned int r_counter; - unsigned int w_counter; - struct page *tmp_page; -diff --git a/include/linux/pm.h b/include/linux/pm.h -index 2d29c64..1b25b2a 100644 ---- a/include/linux/pm.h -+++ b/include/linux/pm.h -@@ -616,6 +616,7 @@ struct dev_pm_domain { - void (*sync)(struct device *dev); - void (*dismiss)(struct device *dev); - }; -+typedef struct dev_pm_domain __no_const dev_pm_domain_no_const; - - /* - * The PM_EVENT_ messages are also used by drivers implementing the legacy -diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h -index 681ccb0..a90e0b7 100644 ---- a/include/linux/pm_domain.h -+++ b/include/linux/pm_domain.h -@@ -39,11 +39,11 @@ struct gpd_dev_ops { - int (*save_state)(struct device *dev); - int (*restore_state)(struct device *dev); - bool (*active_wakeup)(struct device *dev); --}; -+} __no_const; - - struct gpd_cpuidle_data { - unsigned int saved_exit_latency; -- struct cpuidle_state *idle_state; -+ cpuidle_state_no_const *idle_state; - }; - - struct generic_pm_domain { -diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h -index 30e84d4..22278b4 100644 ---- a/include/linux/pm_runtime.h -+++ b/include/linux/pm_runtime.h -@@ -115,7 +115,7 @@ static inline bool pm_runtime_callbacks_present(struct device *dev) - - static inline void pm_runtime_mark_last_busy(struct device *dev) - { -- ACCESS_ONCE(dev->power.last_busy) = jiffies; -+ ACCESS_ONCE_RW(dev->power.last_busy) = jiffies; - } - - static inline bool pm_runtime_is_irq_safe(struct device *dev) -diff --git a/include/linux/pnp.h b/include/linux/pnp.h -index 5df733b..d55f252 100644 ---- a/include/linux/pnp.h -+++ b/include/linux/pnp.h -@@ -298,7 +298,7 @@ static inline void pnp_set_drvdata(struct pnp_dev *pdev, void *data) - struct pnp_fixup { - char id[7]; - void (*quirk_function) (struct pnp_dev * dev); /* fixup function */ --}; -+} __do_const; - - /* config parameters */ - #define PNP_CONFIG_NORMAL 0x0001 -diff --git a/include/linux/poison.h b/include/linux/poison.h -index 2110a81..13a11bb 100644 ---- a/include/linux/poison.h -+++ b/include/linux/poison.h -@@ -19,8 +19,8 @@ - * under normal circumstances, used to verify that nobody uses - * non-initialized list entries. - */ --#define LIST_POISON1 ((void *) 0x00100100 + POISON_POINTER_DELTA) --#define LIST_POISON2 ((void *) 0x00200200 + POISON_POINTER_DELTA) -+#define LIST_POISON1 ((void *) (long)0xFFFFFF01) -+#define LIST_POISON2 ((void *) (long)0xFFFFFF02) - - /********** include/linux/timer.h **********/ - /* -diff --git a/include/linux/power/smartreflex.h b/include/linux/power/smartreflex.h -index d8b187c3..9a9257a 100644 ---- a/include/linux/power/smartreflex.h -+++ b/include/linux/power/smartreflex.h -@@ -238,7 +238,7 @@ struct omap_sr_class_data { - int (*notify)(struct omap_sr *sr, u32 status); - u8 notify_flags; - u8 class_type; --}; -+} __do_const; - - /** - * struct omap_sr_nvalue_table - Smartreflex n-target value info -diff --git a/include/linux/ppp-comp.h b/include/linux/ppp-comp.h -index 4ea1d37..80f4b33 100644 ---- a/include/linux/ppp-comp.h -+++ b/include/linux/ppp-comp.h -@@ -84,7 +84,7 @@ struct compressor { - struct module *owner; - /* Extra skb space needed by the compressor algorithm */ - unsigned int comp_extra; --}; -+} __do_const; - - /* - * The return value from decompress routine is the length of the -diff --git a/include/linux/preempt.h b/include/linux/preempt.h -index de83b4e..c4b997d 100644 ---- a/include/linux/preempt.h -+++ b/include/linux/preempt.h -@@ -27,11 +27,16 @@ extern void preempt_count_sub(int val); - #define preempt_count_dec_and_test() __preempt_count_dec_and_test() - #endif - -+#define raw_preempt_count_add(val) __preempt_count_add(val) -+#define raw_preempt_count_sub(val) __preempt_count_sub(val) -+ - #define __preempt_count_inc() __preempt_count_add(1) - #define __preempt_count_dec() __preempt_count_sub(1) - - #define preempt_count_inc() preempt_count_add(1) -+#define raw_preempt_count_inc() raw_preempt_count_add(1) - #define preempt_count_dec() preempt_count_sub(1) -+#define raw_preempt_count_dec() raw_preempt_count_sub(1) - - #ifdef CONFIG_PREEMPT_COUNT - -@@ -41,6 +46,12 @@ do { \ - barrier(); \ - } while (0) - -+#define raw_preempt_disable() \ -+do { \ -+ raw_preempt_count_inc(); \ -+ barrier(); \ -+} while (0) -+ - #define sched_preempt_enable_no_resched() \ - do { \ - barrier(); \ -@@ -49,6 +60,12 @@ do { \ - - #define preempt_enable_no_resched() sched_preempt_enable_no_resched() - -+#define raw_preempt_enable_no_resched() \ -+do { \ -+ barrier(); \ -+ raw_preempt_count_dec(); \ -+} while (0) -+ - #ifdef CONFIG_PREEMPT - #define preempt_enable() \ - do { \ -@@ -113,8 +130,10 @@ do { \ - * region. - */ - #define preempt_disable() barrier() -+#define raw_preempt_disable() barrier() - #define sched_preempt_enable_no_resched() barrier() - #define preempt_enable_no_resched() barrier() -+#define raw_preempt_enable_no_resched() barrier() - #define preempt_enable() barrier() - #define preempt_check_resched() do { } while (0) - -@@ -128,11 +147,13 @@ do { \ - /* - * Modules have no business playing preemption tricks. - */ -+#ifndef CONFIG_PAX_KERNEXEC - #undef sched_preempt_enable_no_resched - #undef preempt_enable_no_resched - #undef preempt_enable_no_resched_notrace - #undef preempt_check_resched - #endif -+#endif - - #define preempt_set_need_resched() \ - do { \ -diff --git a/include/linux/printk.h b/include/linux/printk.h -index 9b30871..1aebc2d 100644 ---- a/include/linux/printk.h -+++ b/include/linux/printk.h -@@ -120,7 +120,8 @@ static inline __printf(1, 2) __cold - void early_printk(const char *s, ...) { } - #endif - --typedef int(*printk_func_t)(const char *fmt, va_list args); -+typedef __printf(1, 0) int (*printk_func_t)(const char *fmt, va_list args); -+extern int kptr_restrict; - - #ifdef CONFIG_PRINTK - asmlinkage __printf(5, 0) -@@ -156,7 +157,6 @@ extern bool printk_timed_ratelimit(unsigned long *caller_jiffies, - - extern int printk_delay_msec; - extern int dmesg_restrict; --extern int kptr_restrict; - - extern void wake_up_klogd(void); - -@@ -164,7 +164,7 @@ char *log_buf_addr_get(void); - u32 log_buf_len_get(void); - void log_buf_kexec_setup(void); - void __init setup_log_buf(int early); --void dump_stack_set_arch_desc(const char *fmt, ...); -+__printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...); - void dump_stack_print_info(const char *log_lvl); - void show_regs_print_info(const char *log_lvl); - #else -@@ -215,7 +215,7 @@ static inline void setup_log_buf(int early) - { - } - --static inline void dump_stack_set_arch_desc(const char *fmt, ...) -+static inline __printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...) - { - } - -diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h -index b97bf2e..f14c92d4 100644 ---- a/include/linux/proc_fs.h -+++ b/include/linux/proc_fs.h -@@ -17,8 +17,11 @@ extern void proc_flush_task(struct task_struct *); - extern struct proc_dir_entry *proc_symlink(const char *, - struct proc_dir_entry *, const char *); - extern struct proc_dir_entry *proc_mkdir(const char *, struct proc_dir_entry *); -+extern struct proc_dir_entry *proc_mkdir_restrict(const char *, struct proc_dir_entry *); - extern struct proc_dir_entry *proc_mkdir_data(const char *, umode_t, - struct proc_dir_entry *, void *); -+extern struct proc_dir_entry *proc_mkdir_data_restrict(const char *, umode_t, -+ struct proc_dir_entry *, void *); - extern struct proc_dir_entry *proc_mkdir_mode(const char *, umode_t, - struct proc_dir_entry *); - -@@ -34,6 +37,19 @@ static inline struct proc_dir_entry *proc_create( - return proc_create_data(name, mode, parent, proc_fops, NULL); - } - -+static inline struct proc_dir_entry *proc_create_grsec(const char *name, umode_t mode, -+ struct proc_dir_entry *parent, const struct file_operations *proc_fops) -+{ -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ return proc_create_data(name, S_IRUSR, parent, proc_fops, NULL); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ return proc_create_data(name, S_IRUSR | S_IRGRP, parent, proc_fops, NULL); -+#else -+ return proc_create_data(name, mode, parent, proc_fops, NULL); -+#endif -+} -+ -+ - extern void proc_set_size(struct proc_dir_entry *, loff_t); - extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t); - extern void *PDE_DATA(const struct inode *); -@@ -56,8 +72,12 @@ static inline struct proc_dir_entry *proc_symlink(const char *name, - struct proc_dir_entry *parent,const char *dest) { return NULL;} - static inline struct proc_dir_entry *proc_mkdir(const char *name, - struct proc_dir_entry *parent) {return NULL;} -+static inline struct proc_dir_entry *proc_mkdir_restrict(const char *name, -+ struct proc_dir_entry *parent) { return NULL; } - static inline struct proc_dir_entry *proc_mkdir_data(const char *name, - umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; } -+static inline struct proc_dir_entry *proc_mkdir_data_restrict(const char *name, -+ umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; } - static inline struct proc_dir_entry *proc_mkdir_mode(const char *name, - umode_t mode, struct proc_dir_entry *parent) { return NULL; } - #define proc_create(name, mode, parent, proc_fops) ({NULL;}) -@@ -79,7 +99,7 @@ struct net; - static inline struct proc_dir_entry *proc_net_mkdir( - struct net *net, const char *name, struct proc_dir_entry *parent) - { -- return proc_mkdir_data(name, 0, parent, net); -+ return proc_mkdir_data_restrict(name, 0, parent, net); - } - - #endif /* _LINUX_PROC_FS_H */ -diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h -index 42dfc61..8113a99 100644 ---- a/include/linux/proc_ns.h -+++ b/include/linux/proc_ns.h -@@ -16,7 +16,7 @@ struct proc_ns_operations { - struct ns_common *(*get)(struct task_struct *task); - void (*put)(struct ns_common *ns); - int (*install)(struct nsproxy *nsproxy, struct ns_common *ns); --}; -+} __do_const __randomize_layout; - - extern const struct proc_ns_operations netns_operations; - extern const struct proc_ns_operations utsns_operations; -diff --git a/include/linux/quota.h b/include/linux/quota.h -index b2505ac..5f7ab55 100644 ---- a/include/linux/quota.h -+++ b/include/linux/quota.h -@@ -76,7 +76,7 @@ struct kqid { /* Type in which we store the quota identifier */ - - extern bool qid_eq(struct kqid left, struct kqid right); - extern bool qid_lt(struct kqid left, struct kqid right); --extern qid_t from_kqid(struct user_namespace *to, struct kqid qid); -+extern qid_t from_kqid(struct user_namespace *to, struct kqid qid) __intentional_overflow(-1); - extern qid_t from_kqid_munged(struct user_namespace *to, struct kqid qid); - extern bool qid_valid(struct kqid qid); - -diff --git a/include/linux/random.h b/include/linux/random.h -index b05856e..0a9f14e 100644 ---- a/include/linux/random.h -+++ b/include/linux/random.h -@@ -9,9 +9,19 @@ - #include <uapi/linux/random.h> - - extern void add_device_randomness(const void *, unsigned int); -+ -+static inline void add_latent_entropy(void) -+{ -+ -+#ifdef LATENT_ENTROPY_PLUGIN -+ add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy)); -+#endif -+ -+} -+ - extern void add_input_randomness(unsigned int type, unsigned int code, -- unsigned int value); --extern void add_interrupt_randomness(int irq, int irq_flags); -+ unsigned int value) __latent_entropy; -+extern void add_interrupt_randomness(int irq, int irq_flags) __latent_entropy; - - extern void get_random_bytes(void *buf, int nbytes); - extern void get_random_bytes_arch(void *buf, int nbytes); -@@ -22,10 +32,10 @@ extern int random_int_secret_init(void); - extern const struct file_operations random_fops, urandom_fops; - #endif - --unsigned int get_random_int(void); -+unsigned int __intentional_overflow(-1) get_random_int(void); - unsigned long randomize_range(unsigned long start, unsigned long end, unsigned long len); - --u32 prandom_u32(void); -+u32 prandom_u32(void) __intentional_overflow(-1); - void prandom_bytes(void *buf, size_t nbytes); - void prandom_seed(u32 seed); - void prandom_reseed_late(void); -@@ -37,6 +47,11 @@ struct rnd_state { - u32 prandom_u32_state(struct rnd_state *state); - void prandom_bytes_state(struct rnd_state *state, void *buf, size_t nbytes); - -+static inline unsigned long __intentional_overflow(-1) pax_get_random_long(void) -+{ -+ return prandom_u32() + (sizeof(long) > 4 ? (unsigned long)prandom_u32() << 32 : 0); -+} -+ - /** - * prandom_u32_max - returns a pseudo-random number in interval [0, ep_ro) - * @ep_ro: right open interval endpoint -@@ -49,7 +64,7 @@ void prandom_bytes_state(struct rnd_state *state, void *buf, size_t nbytes); - * - * Returns: pseudo-random number in interval [0, ep_ro) - */ --static inline u32 prandom_u32_max(u32 ep_ro) -+static inline u32 __intentional_overflow(-1) prandom_u32_max(u32 ep_ro) - { - return (u32)(((u64) prandom_u32() * ep_ro) >> 32); - } -diff --git a/include/linux/rbtree_augmented.h b/include/linux/rbtree_augmented.h -index 378c5ee..aa84a47 100644 ---- a/include/linux/rbtree_augmented.h -+++ b/include/linux/rbtree_augmented.h -@@ -90,7 +90,9 @@ rbname ## _rotate(struct rb_node *rb_old, struct rb_node *rb_new) \ - old->rbaugmented = rbcompute(old); \ - } \ - rbstatic const struct rb_augment_callbacks rbname = { \ -- rbname ## _propagate, rbname ## _copy, rbname ## _rotate \ -+ .propagate = rbname ## _propagate, \ -+ .copy = rbname ## _copy, \ -+ .rotate = rbname ## _rotate \ - }; - - -diff --git a/include/linux/rculist.h b/include/linux/rculist.h -index a18b16f..2683096 100644 ---- a/include/linux/rculist.h -+++ b/include/linux/rculist.h -@@ -29,8 +29,8 @@ - */ - static inline void INIT_LIST_HEAD_RCU(struct list_head *list) - { -- ACCESS_ONCE(list->next) = list; -- ACCESS_ONCE(list->prev) = list; -+ ACCESS_ONCE_RW(list->next) = list; -+ ACCESS_ONCE_RW(list->prev) = list; - } - - /* -@@ -59,6 +59,9 @@ void __list_add_rcu(struct list_head *new, - struct list_head *prev, struct list_head *next); - #endif - -+void __pax_list_add_rcu(struct list_head *new, -+ struct list_head *prev, struct list_head *next); -+ - /** - * list_add_rcu - add a new entry to rcu-protected list - * @new: new entry to be added -@@ -80,6 +83,11 @@ static inline void list_add_rcu(struct list_head *new, struct list_head *head) - __list_add_rcu(new, head, head->next); - } - -+static inline void pax_list_add_rcu(struct list_head *new, struct list_head *head) -+{ -+ __pax_list_add_rcu(new, head, head->next); -+} -+ - /** - * list_add_tail_rcu - add a new entry to rcu-protected list - * @new: new entry to be added -@@ -102,6 +110,12 @@ static inline void list_add_tail_rcu(struct list_head *new, - __list_add_rcu(new, head->prev, head); - } - -+static inline void pax_list_add_tail_rcu(struct list_head *new, -+ struct list_head *head) -+{ -+ __pax_list_add_rcu(new, head->prev, head); -+} -+ - /** - * list_del_rcu - deletes entry from list without re-initialization - * @entry: the element to delete from the list. -@@ -132,6 +146,8 @@ static inline void list_del_rcu(struct list_head *entry) - entry->prev = LIST_POISON2; - } - -+extern void pax_list_del_rcu(struct list_head *entry); -+ - /** - * hlist_del_init_rcu - deletes entry from hash list with re-initialization - * @n: the element to delete from the hash list. -diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h -index 573a5af..de97a14 100644 ---- a/include/linux/rcupdate.h -+++ b/include/linux/rcupdate.h -@@ -365,7 +365,7 @@ extern struct srcu_struct tasks_rcu_exit_srcu; - do { \ - rcu_all_qs(); \ - if (ACCESS_ONCE((t)->rcu_tasks_holdout)) \ -- ACCESS_ONCE((t)->rcu_tasks_holdout) = false; \ -+ ACCESS_ONCE_RW((t)->rcu_tasks_holdout) = false; \ - } while (0) - #else /* #ifdef CONFIG_TASKS_RCU */ - #define TASKS_RCU(x) do { } while (0) -diff --git a/include/linux/reboot.h b/include/linux/reboot.h -index a7ff409..03e2fa8 100644 ---- a/include/linux/reboot.h -+++ b/include/linux/reboot.h -@@ -47,9 +47,9 @@ extern void do_kernel_restart(char *cmd); - */ - - extern void migrate_to_reboot_cpu(void); --extern void machine_restart(char *cmd); --extern void machine_halt(void); --extern void machine_power_off(void); -+extern void machine_restart(char *cmd) __noreturn; -+extern void machine_halt(void) __noreturn; -+extern void machine_power_off(void) __noreturn; - - extern void machine_shutdown(void); - struct pt_regs; -@@ -60,9 +60,9 @@ extern void machine_crash_shutdown(struct pt_regs *); - */ - - extern void kernel_restart_prepare(char *cmd); --extern void kernel_restart(char *cmd); --extern void kernel_halt(void); --extern void kernel_power_off(void); -+extern void kernel_restart(char *cmd) __noreturn; -+extern void kernel_halt(void) __noreturn; -+extern void kernel_power_off(void) __noreturn; - - extern int C_A_D; /* for sysctl */ - void ctrl_alt_del(void); -@@ -77,7 +77,7 @@ extern void orderly_reboot(void); - * Emergency restart, callable from an interrupt handler. - */ - --extern void emergency_restart(void); -+extern void emergency_restart(void) __noreturn; - #include <asm/emergency-restart.h> - - #endif /* _LINUX_REBOOT_H */ -diff --git a/include/linux/regset.h b/include/linux/regset.h -index 8e0c9fe..ac4d221 100644 ---- a/include/linux/regset.h -+++ b/include/linux/regset.h -@@ -161,7 +161,8 @@ struct user_regset { - unsigned int align; - unsigned int bias; - unsigned int core_note_type; --}; -+} __do_const; -+typedef struct user_regset __no_const user_regset_no_const; - - /** - * struct user_regset_view - available regsets -diff --git a/include/linux/relay.h b/include/linux/relay.h -index d7c8359..818daf5 100644 ---- a/include/linux/relay.h -+++ b/include/linux/relay.h -@@ -157,7 +157,7 @@ struct rchan_callbacks - * The callback should return 0 if successful, negative if not. - */ - int (*remove_buf_file)(struct dentry *dentry); --}; -+} __no_const; - - /* - * CONFIG_RELAY kernel API, kernel/relay.c -diff --git a/include/linux/rio.h b/include/linux/rio.h -index 6bda06f..bf39a9b 100644 ---- a/include/linux/rio.h -+++ b/include/linux/rio.h -@@ -358,7 +358,7 @@ struct rio_ops { - int (*map_inb)(struct rio_mport *mport, dma_addr_t lstart, - u64 rstart, u32 size, u32 flags); - void (*unmap_inb)(struct rio_mport *mport, dma_addr_t lstart); --}; -+} __no_const; - - #define RIO_RESOURCE_MEM 0x00000100 - #define RIO_RESOURCE_DOORBELL 0x00000200 -diff --git a/include/linux/rmap.h b/include/linux/rmap.h -index c89c53a..aa0a65a 100644 ---- a/include/linux/rmap.h -+++ b/include/linux/rmap.h -@@ -146,8 +146,8 @@ static inline void anon_vma_unlock_read(struct anon_vma *anon_vma) - void anon_vma_init(void); /* create anon_vma_cachep */ - int anon_vma_prepare(struct vm_area_struct *); - void unlink_anon_vmas(struct vm_area_struct *); --int anon_vma_clone(struct vm_area_struct *, struct vm_area_struct *); --int anon_vma_fork(struct vm_area_struct *, struct vm_area_struct *); -+int anon_vma_clone(struct vm_area_struct *, const struct vm_area_struct *); -+int anon_vma_fork(struct vm_area_struct *, const struct vm_area_struct *); - - static inline void anon_vma_merge(struct vm_area_struct *vma, - struct vm_area_struct *next) -diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h -index ed8f9e70..2e627f2 100644 ---- a/include/linux/scatterlist.h -+++ b/include/linux/scatterlist.h -@@ -1,6 +1,7 @@ - #ifndef _LINUX_SCATTERLIST_H - #define _LINUX_SCATTERLIST_H - -+#include <linux/sched.h> - #include <linux/string.h> - #include <linux/bug.h> - #include <linux/mm.h> -@@ -111,10 +112,17 @@ static inline struct page *sg_page(struct scatterlist *sg) - static inline void sg_set_buf(struct scatterlist *sg, const void *buf, - unsigned int buflen) - { -+ const void *realbuf = buf; -+ -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ if (object_starts_on_stack(buf)) -+ realbuf = buf - current->stack + current->lowmem_stack; -+#endif -+ - #ifdef CONFIG_DEBUG_SG -- BUG_ON(!virt_addr_valid(buf)); -+ BUG_ON(!virt_addr_valid(realbuf)); - #endif -- sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf)); -+ sg_set_page(sg, virt_to_page(realbuf), buflen, offset_in_page(realbuf)); - } - - /* -diff --git a/include/linux/sched.h b/include/linux/sched.h -index 26a2e61..36bbf4b 100644 ---- a/include/linux/sched.h -+++ b/include/linux/sched.h -@@ -132,6 +132,7 @@ struct fs_struct; - struct perf_event_context; - struct blk_plug; - struct filename; -+struct linux_binprm; - - #define VMACACHE_BITS 2 - #define VMACACHE_SIZE (1U << VMACACHE_BITS) -@@ -413,7 +414,7 @@ extern char __sched_text_start[], __sched_text_end[]; - extern int in_sched_functions(unsigned long addr); - - #define MAX_SCHEDULE_TIMEOUT LONG_MAX --extern signed long schedule_timeout(signed long timeout); -+extern signed long schedule_timeout(signed long timeout) __intentional_overflow(-1); - extern signed long schedule_timeout_interruptible(signed long timeout); - extern signed long schedule_timeout_killable(signed long timeout); - extern signed long schedule_timeout_uninterruptible(signed long timeout); -@@ -431,6 +432,19 @@ struct nsproxy; - struct user_namespace; - - #ifdef CONFIG_MMU -+ -+#ifdef CONFIG_GRKERNSEC_RAND_THREADSTACK -+extern unsigned long gr_rand_threadstack_offset(const struct mm_struct *mm, const struct file *filp, unsigned long flags); -+#else -+static inline unsigned long gr_rand_threadstack_offset(const struct mm_struct *mm, const struct file *filp, unsigned long flags) -+{ -+ return 0; -+} -+#endif -+ -+extern bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len, unsigned long offset); -+extern unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len, unsigned long offset); -+ - extern void arch_pick_mmap_layout(struct mm_struct *mm); - extern unsigned long - arch_get_unmapped_area(struct file *, unsigned long, unsigned long, -@@ -729,6 +743,17 @@ struct signal_struct { - #ifdef CONFIG_TASKSTATS - struct taskstats *stats; - #endif -+ -+#ifdef CONFIG_GRKERNSEC -+ u32 curr_ip; -+ u32 saved_ip; -+ u32 gr_saddr; -+ u32 gr_daddr; -+ u16 gr_sport; -+ u16 gr_dport; -+ u8 used_accept:1; -+#endif -+ - #ifdef CONFIG_AUDIT - unsigned audit_tty; - unsigned audit_tty_log_passwd; -@@ -755,7 +780,7 @@ struct signal_struct { - struct mutex cred_guard_mutex; /* guard against foreign influences on - * credential calculations - * (notably. ptrace) */ --}; -+} __randomize_layout; - - /* - * Bits in flags field of signal_struct. -@@ -808,6 +833,14 @@ struct user_struct { - struct key *session_keyring; /* UID's default session keyring */ - #endif - -+#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT -+ unsigned char kernel_banned; -+#endif -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ unsigned char suid_banned; -+ unsigned long suid_ban_expires; -+#endif -+ - /* Hash table maintenance information */ - struct hlist_node uidhash_node; - kuid_t uid; -@@ -815,7 +848,7 @@ struct user_struct { - #ifdef CONFIG_PERF_EVENTS - atomic_long_t locked_vm; - #endif --}; -+} __randomize_layout; - - extern int uids_sysfs_init(void); - -@@ -1292,6 +1325,9 @@ enum perf_event_task_context { - struct task_struct { - volatile long state; /* -1 unrunnable, 0 runnable, >0 stopped */ - void *stack; -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ void *lowmem_stack; -+#endif - atomic_t usage; - unsigned int flags; /* per process flags, defined below */ - unsigned int ptrace; -@@ -1425,8 +1461,8 @@ struct task_struct { - struct list_head thread_node; - - struct completion *vfork_done; /* for vfork() */ -- int __user *set_child_tid; /* CLONE_CHILD_SETTID */ -- int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */ -+ pid_t __user *set_child_tid; /* CLONE_CHILD_SETTID */ -+ pid_t __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */ - - cputime_t utime, stime, utimescaled, stimescaled; - cputime_t gtime; -@@ -1451,11 +1487,6 @@ struct task_struct { - struct task_cputime cputime_expires; - struct list_head cpu_timers[3]; - --/* process credentials */ -- const struct cred __rcu *real_cred; /* objective and real subjective task -- * credentials (COW) */ -- const struct cred __rcu *cred; /* effective (overridable) subjective task -- * credentials (COW) */ - char comm[TASK_COMM_LEN]; /* executable name excluding path - - access with [gs]et_task_comm (which lock - it with task_lock()) -@@ -1473,6 +1504,10 @@ struct task_struct { - #endif - /* CPU-specific state of this task */ - struct thread_struct thread; -+/* thread_info moved to task_struct */ -+#ifdef CONFIG_X86 -+ struct thread_info tinfo; -+#endif - /* filesystem information */ - struct fs_struct *fs; - /* open file information */ -@@ -1547,6 +1582,10 @@ struct task_struct { - gfp_t lockdep_reclaim_gfp; - #endif - -+/* process credentials */ -+ const struct cred __rcu *real_cred; /* objective and real subjective task -+ * credentials (COW) */ -+ - /* journalling filesystem info */ - void *journal_info; - -@@ -1585,6 +1624,10 @@ struct task_struct { - /* cg_list protected by css_set_lock and tsk->alloc_lock */ - struct list_head cg_list; - #endif -+ -+ const struct cred __rcu *cred; /* effective (overridable) subjective task -+ * credentials (COW) */ -+ - #ifdef CONFIG_FUTEX - struct robust_list_head __user *robust_list; - #ifdef CONFIG_COMPAT -@@ -1696,7 +1739,7 @@ struct task_struct { - * Number of functions that haven't been traced - * because of depth overrun. - */ -- atomic_t trace_overrun; -+ atomic_unchecked_t trace_overrun; - /* Pause for the tracing */ - atomic_t tracing_graph_pause; - #endif -@@ -1724,7 +1767,78 @@ struct task_struct { - #ifdef CONFIG_DEBUG_ATOMIC_SLEEP - unsigned long task_state_change; - #endif --}; -+ -+#ifdef CONFIG_GRKERNSEC -+ /* grsecurity */ -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ u64 exec_id; -+#endif -+#ifdef CONFIG_GRKERNSEC_SETXID -+ const struct cred *delayed_cred; -+#endif -+ struct dentry *gr_chroot_dentry; -+ struct acl_subject_label *acl; -+ struct acl_subject_label *tmpacl; -+ struct acl_role_label *role; -+ struct file *exec_file; -+ unsigned long brute_expires; -+ u16 acl_role_id; -+ u8 inherited; -+ /* is this the task that authenticated to the special role */ -+ u8 acl_sp_role; -+ u8 is_writable; -+ u8 brute; -+ u8 gr_is_chrooted; -+#endif -+ -+} __randomize_layout; -+ -+#define MF_PAX_PAGEEXEC 0x01000000 /* Paging based non-executable pages */ -+#define MF_PAX_EMUTRAMP 0x02000000 /* Emulate trampolines */ -+#define MF_PAX_MPROTECT 0x04000000 /* Restrict mprotect() */ -+#define MF_PAX_RANDMMAP 0x08000000 /* Randomize mmap() base */ -+/*#define MF_PAX_RANDEXEC 0x10000000*/ /* Randomize ET_EXEC base */ -+#define MF_PAX_SEGMEXEC 0x20000000 /* Segmentation based non-executable pages */ -+ -+#ifdef CONFIG_PAX_SOFTMODE -+extern int pax_softmode; -+#endif -+ -+extern int pax_check_flags(unsigned long *); -+#define PAX_PARSE_FLAGS_FALLBACK (~0UL) -+ -+/* if tsk != current then task_lock must be held on it */ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+static inline unsigned long pax_get_flags(struct task_struct *tsk) -+{ -+ if (likely(tsk->mm)) -+ return tsk->mm->pax_flags; -+ else -+ return 0UL; -+} -+ -+/* if tsk != current then task_lock must be held on it */ -+static inline long pax_set_flags(struct task_struct *tsk, unsigned long flags) -+{ -+ if (likely(tsk->mm)) { -+ tsk->mm->pax_flags = flags; -+ return 0; -+ } -+ return -EINVAL; -+} -+#endif -+ -+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS -+extern void pax_set_initial_flags(struct linux_binprm *bprm); -+#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS) -+extern void (*pax_set_initial_flags_func)(struct linux_binprm *bprm); -+#endif -+ -+struct path; -+extern char *pax_get_path(const struct path *path, char *buf, int buflen); -+extern void pax_report_fault(struct pt_regs *regs, void *pc, void *sp); -+extern void pax_report_insns(struct pt_regs *regs, void *pc, void *sp); -+extern void pax_report_refcount_overflow(struct pt_regs *regs); - - /* Future-safe accessor for struct task_struct's cpus_allowed. */ - #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed) -@@ -1807,7 +1921,7 @@ struct pid_namespace; - pid_t __task_pid_nr_ns(struct task_struct *task, enum pid_type type, - struct pid_namespace *ns); - --static inline pid_t task_pid_nr(struct task_struct *tsk) -+static inline pid_t task_pid_nr(const struct task_struct *tsk) - { - return tsk->pid; - } -@@ -2175,6 +2289,25 @@ extern u64 sched_clock_cpu(int cpu); - - extern void sched_clock_init(void); - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+static inline void populate_stack(void) -+{ -+ struct task_struct *curtask = current; -+ int c; -+ int *ptr = curtask->stack; -+ int *end = curtask->stack + THREAD_SIZE; -+ -+ while (ptr < end) { -+ c = *(volatile int *)ptr; -+ ptr += PAGE_SIZE/sizeof(int); -+ } -+} -+#else -+static inline void populate_stack(void) -+{ -+} -+#endif -+ - #ifndef CONFIG_HAVE_UNSTABLE_SCHED_CLOCK - static inline void sched_clock_tick(void) - { -@@ -2303,7 +2436,9 @@ extern void set_curr_task(int cpu, struct task_struct *p); - void yield(void); - - union thread_union { -+#ifndef CONFIG_X86 - struct thread_info thread_info; -+#endif - unsigned long stack[THREAD_SIZE/sizeof(long)]; - }; - -@@ -2336,6 +2471,7 @@ extern struct pid_namespace init_pid_ns; - */ - - extern struct task_struct *find_task_by_vpid(pid_t nr); -+extern struct task_struct *find_task_by_vpid_unrestricted(pid_t nr); - extern struct task_struct *find_task_by_pid_ns(pid_t nr, - struct pid_namespace *ns); - -@@ -2500,7 +2636,7 @@ extern void __cleanup_sighand(struct sighand_struct *); - extern void exit_itimers(struct signal_struct *); - extern void flush_itimer_signals(void); - --extern void do_group_exit(int); -+extern __noreturn void do_group_exit(int); - - extern int do_execve(struct filename *, - const char __user * const __user *, -@@ -2721,9 +2857,9 @@ static inline unsigned long *end_of_stack(struct task_struct *p) - #define task_stack_end_corrupted(task) \ - (*(end_of_stack(task)) != STACK_END_MAGIC) - --static inline int object_is_on_stack(void *obj) -+static inline int object_starts_on_stack(const void *obj) - { -- void *stack = task_stack_page(current); -+ const void *stack = task_stack_page(current); - - return (obj >= stack) && (obj < (stack + THREAD_SIZE)); - } -diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h -index 596a0e0..bea77ec 100644 ---- a/include/linux/sched/sysctl.h -+++ b/include/linux/sched/sysctl.h -@@ -34,6 +34,7 @@ enum { sysctl_hung_task_timeout_secs = 0 }; - #define DEFAULT_MAX_MAP_COUNT (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN) - - extern int sysctl_max_map_count; -+extern unsigned long sysctl_heap_stack_gap; - - extern unsigned int sysctl_sched_latency; - extern unsigned int sysctl_sched_min_granularity; -diff --git a/include/linux/security.h b/include/linux/security.h -index 18264ea..e0238e4 100644 ---- a/include/linux/security.h -+++ b/include/linux/security.h -@@ -27,6 +27,7 @@ - #include <linux/slab.h> - #include <linux/err.h> - #include <linux/string.h> -+#include <linux/grsecurity.h> - - struct linux_binprm; - struct cred; -@@ -116,8 +117,6 @@ struct seq_file; - - extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb); - --void reset_security_ops(void); -- - #ifdef CONFIG_MMU - extern unsigned long mmap_min_addr; - extern unsigned long dac_mmap_min_addr; -@@ -1755,7 +1754,7 @@ struct security_operations { - struct audit_context *actx); - void (*audit_rule_free) (void *lsmrule); - #endif /* CONFIG_AUDIT */ --}; -+} __randomize_layout; - - /* prototypes */ - extern int security_init(void); -diff --git a/include/linux/semaphore.h b/include/linux/semaphore.h -index dc368b8..e895209 100644 ---- a/include/linux/semaphore.h -+++ b/include/linux/semaphore.h -@@ -37,7 +37,7 @@ static inline void sema_init(struct semaphore *sem, int val) - } - - extern void down(struct semaphore *sem); --extern int __must_check down_interruptible(struct semaphore *sem); -+extern int __must_check down_interruptible(struct semaphore *sem) __intentional_overflow(-1); - extern int __must_check down_killable(struct semaphore *sem); - extern int __must_check down_trylock(struct semaphore *sem); - extern int __must_check down_timeout(struct semaphore *sem, long jiffies); -diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h -index afbb1fd..e1d205d 100644 ---- a/include/linux/seq_file.h -+++ b/include/linux/seq_file.h -@@ -27,6 +27,9 @@ struct seq_file { - struct mutex lock; - const struct seq_operations *op; - int poll_event; -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ u64 exec_id; -+#endif - #ifdef CONFIG_USER_NS - struct user_namespace *user_ns; - #endif -@@ -39,6 +42,7 @@ struct seq_operations { - void * (*next) (struct seq_file *m, void *v, loff_t *pos); - int (*show) (struct seq_file *m, void *v); - }; -+typedef struct seq_operations __no_const seq_operations_no_const; - - #define SEQ_SKIP 1 - -@@ -111,6 +115,7 @@ void seq_pad(struct seq_file *m, char c); - - char *mangle_path(char *s, const char *p, const char *esc); - int seq_open(struct file *, const struct seq_operations *); -+int seq_open_restrict(struct file *, const struct seq_operations *); - ssize_t seq_read(struct file *, char __user *, size_t, loff_t *); - loff_t seq_lseek(struct file *, loff_t, int); - int seq_release(struct inode *, struct file *); -@@ -128,6 +133,7 @@ int seq_path_root(struct seq_file *m, const struct path *path, - const struct path *root, const char *esc); - - int single_open(struct file *, int (*)(struct seq_file *, void *), void *); -+int single_open_restrict(struct file *, int (*)(struct seq_file *, void *), void *); - int single_open_size(struct file *, int (*)(struct seq_file *, void *), void *, size_t); - int single_release(struct inode *, struct file *); - void *__seq_open_private(struct file *, const struct seq_operations *, int); -diff --git a/include/linux/shm.h b/include/linux/shm.h -index 6fb8016..ab4465e 100644 ---- a/include/linux/shm.h -+++ b/include/linux/shm.h -@@ -22,6 +22,10 @@ struct shmid_kernel /* private to the kernel */ - /* The task created the shm object. NULL if the task is dead. */ - struct task_struct *shm_creator; - struct list_head shm_clist; /* list by creator */ -+#ifdef CONFIG_GRKERNSEC -+ u64 shm_createtime; -+ pid_t shm_lapid; -+#endif - }; - - /* shm_mode upper byte flags */ -diff --git a/include/linux/signal.h b/include/linux/signal.h -index ab1e039..ad4229e 100644 ---- a/include/linux/signal.h -+++ b/include/linux/signal.h -@@ -289,7 +289,7 @@ static inline void allow_signal(int sig) - * know it'll be handled, so that they don't get converted to - * SIGKILL or just silently dropped. - */ -- kernel_sigaction(sig, (__force __sighandler_t)2); -+ kernel_sigaction(sig, (__force_user __sighandler_t)2); - } - - static inline void disallow_signal(int sig) -diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h -index f15154a..17b985a 100644 ---- a/include/linux/skbuff.h -+++ b/include/linux/skbuff.h -@@ -776,7 +776,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t priority, int flags, - int node); - struct sk_buff *__build_skb(void *data, unsigned int frag_size); - struct sk_buff *build_skb(void *data, unsigned int frag_size); --static inline struct sk_buff *alloc_skb(unsigned int size, -+static inline struct sk_buff * __intentional_overflow(0) alloc_skb(unsigned int size, - gfp_t priority) - { - return __alloc_skb(size, priority, 0, NUMA_NO_NODE); -@@ -1590,20 +1590,16 @@ static inline void __skb_fill_page_desc(struct sk_buff *skb, int i, - skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - - /* -- * Propagate page->pfmemalloc to the skb if we can. The problem is -- * that not all callers have unique ownership of the page. If -- * pfmemalloc is set, we check the mapping as a mapping implies -- * page->index is set (index and pfmemalloc share space). -- * If it's a valid mapping, we cannot use page->pfmemalloc but we -- * do not lose pfmemalloc information as the pages would not be -- * allocated using __GFP_MEMALLOC. -+ * Propagate page pfmemalloc to the skb if we can. The problem is -+ * that not all callers have unique ownership of the page but rely -+ * on page_is_pfmemalloc doing the right thing(tm). - */ - frag->page.p = page; - frag->page_offset = off; - skb_frag_size_set(frag, size); - - page = compound_head(page); -- if (page->pfmemalloc && !page->mapping) -+ if (page_is_pfmemalloc(page)) - skb->pfmemalloc = true; - } - -@@ -1971,7 +1967,7 @@ static inline u32 skb_inner_network_header_len(const struct sk_buff *skb) - return skb->inner_transport_header - skb->inner_network_header; - } - --static inline int skb_network_offset(const struct sk_buff *skb) -+static inline int __intentional_overflow(0) skb_network_offset(const struct sk_buff *skb) - { - return skb_network_header(skb) - skb->data; - } -@@ -2031,7 +2027,7 @@ static inline int pskb_network_may_pull(struct sk_buff *skb, unsigned int len) - * NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8) - */ - #ifndef NET_SKB_PAD --#define NET_SKB_PAD max(32, L1_CACHE_BYTES) -+#define NET_SKB_PAD max(_AC(32,UL), L1_CACHE_BYTES) - #endif - - int ___pskb_trim(struct sk_buff *skb, unsigned int len); -@@ -2250,7 +2246,7 @@ static inline struct page *dev_alloc_page(void) - static inline void skb_propagate_pfmemalloc(struct page *page, - struct sk_buff *skb) - { -- if (page && page->pfmemalloc) -+ if (page_is_pfmemalloc(page)) - skb->pfmemalloc = true; - } - -@@ -2673,9 +2669,9 @@ struct sk_buff *skb_recv_datagram(struct sock *sk, unsigned flags, int noblock, - int *err); - unsigned int datagram_poll(struct file *file, struct socket *sock, - struct poll_table_struct *wait); --int skb_copy_datagram_iter(const struct sk_buff *from, int offset, -+int __intentional_overflow(0) skb_copy_datagram_iter(const struct sk_buff *from, int offset, - struct iov_iter *to, int size); --static inline int skb_copy_datagram_msg(const struct sk_buff *from, int offset, -+static inline int __intentional_overflow(2,4) skb_copy_datagram_msg(const struct sk_buff *from, int offset, - struct msghdr *msg, int size) - { - return skb_copy_datagram_iter(from, offset, &msg->msg_iter, size); -@@ -3197,6 +3193,9 @@ static inline void nf_reset(struct sk_buff *skb) - nf_bridge_put(skb->nf_bridge); - skb->nf_bridge = NULL; - #endif -+#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE) -+ skb->nf_trace = 0; -+#endif - } - - static inline void nf_reset_trace(struct sk_buff *skb) -diff --git a/include/linux/slab.h b/include/linux/slab.h -index ffd24c8..cbbe7de 100644 ---- a/include/linux/slab.h -+++ b/include/linux/slab.h -@@ -15,14 +15,29 @@ - #include <linux/types.h> - #include <linux/workqueue.h> - -+#include <linux/err.h> - - /* - * Flags to pass to kmem_cache_create(). - * The ones marked DEBUG are only valid if CONFIG_DEBUG_SLAB is set. - */ - #define SLAB_DEBUG_FREE 0x00000100UL /* DEBUG: Perform (expensive) checks on free */ -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+#define SLAB_USERCOPY 0x00000200UL /* PaX: Allow copying objs to/from userland */ -+#else -+#define SLAB_USERCOPY 0x00000000UL -+#endif -+ - #define SLAB_RED_ZONE 0x00000400UL /* DEBUG: Red zone objs in a cache */ - #define SLAB_POISON 0x00000800UL /* DEBUG: Poison objects */ -+ -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+#define SLAB_NO_SANITIZE 0x00001000UL /* PaX: Do not sanitize objs on free */ -+#else -+#define SLAB_NO_SANITIZE 0x00000000UL -+#endif -+ - #define SLAB_HWCACHE_ALIGN 0x00002000UL /* Align objs on cache lines */ - #define SLAB_CACHE_DMA 0x00004000UL /* Use GFP_DMA memory */ - #define SLAB_STORE_USER 0x00010000UL /* DEBUG: Store the last owner for bug hunting */ -@@ -98,10 +113,13 @@ - * ZERO_SIZE_PTR can be passed to kfree though in the same way that NULL can. - * Both make kfree a no-op. - */ --#define ZERO_SIZE_PTR ((void *)16) -+#define ZERO_SIZE_PTR \ -+({ \ -+ BUILD_BUG_ON(!(MAX_ERRNO & ~PAGE_MASK));\ -+ (void *)(-MAX_ERRNO-1L); \ -+}) - --#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) <= \ -- (unsigned long)ZERO_SIZE_PTR) -+#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) - 1 >= (unsigned long)ZERO_SIZE_PTR - 1) - - #include <linux/kmemleak.h> - #include <linux/kasan.h> -@@ -143,6 +161,8 @@ void * __must_check krealloc(const void *, size_t, gfp_t); - void kfree(const void *); - void kzfree(const void *); - size_t ksize(const void *); -+const char *check_heap_object(const void *ptr, unsigned long n); -+bool is_usercopy_object(const void *ptr); - - /* - * Some archs want to perform DMA into kmalloc caches and need a guaranteed -@@ -235,6 +255,10 @@ extern struct kmem_cache *kmalloc_caches[KMALLOC_SHIFT_HIGH + 1]; - extern struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1]; - #endif - -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+extern struct kmem_cache *kmalloc_usercopy_caches[KMALLOC_SHIFT_HIGH + 1]; -+#endif -+ - /* - * Figure out which kmalloc slab an allocation of a certain size - * belongs to. -@@ -243,7 +267,7 @@ extern struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1]; - * 2 = 120 .. 192 bytes - * n = 2^(n-1) .. 2^n -1 - */ --static __always_inline int kmalloc_index(size_t size) -+static __always_inline __size_overflow(1) int kmalloc_index(size_t size) - { - if (!size) - return 0; -@@ -286,15 +310,15 @@ static __always_inline int kmalloc_index(size_t size) - } - #endif /* !CONFIG_SLOB */ - --void *__kmalloc(size_t size, gfp_t flags); -+void *__kmalloc(size_t size, gfp_t flags) __alloc_size(1) __size_overflow(1); - void *kmem_cache_alloc(struct kmem_cache *, gfp_t flags); - void kmem_cache_free(struct kmem_cache *, void *); - - #ifdef CONFIG_NUMA --void *__kmalloc_node(size_t size, gfp_t flags, int node); -+void *__kmalloc_node(size_t size, gfp_t flags, int node) __alloc_size(1) __size_overflow(1); - void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node); - #else --static __always_inline void *__kmalloc_node(size_t size, gfp_t flags, int node) -+static __always_inline void * __size_overflow(1) __kmalloc_node(size_t size, gfp_t flags, int node) - { - return __kmalloc(size, flags); - } -diff --git a/include/linux/slab_def.h b/include/linux/slab_def.h -index 33d0490..70a6313 100644 ---- a/include/linux/slab_def.h -+++ b/include/linux/slab_def.h -@@ -40,7 +40,7 @@ struct kmem_cache { - /* 4) cache creation/removal */ - const char *name; - struct list_head list; -- int refcount; -+ atomic_t refcount; - int object_size; - int align; - -@@ -56,10 +56,14 @@ struct kmem_cache { - unsigned long node_allocs; - unsigned long node_frees; - unsigned long node_overflow; -- atomic_t allochit; -- atomic_t allocmiss; -- atomic_t freehit; -- atomic_t freemiss; -+ atomic_unchecked_t allochit; -+ atomic_unchecked_t allocmiss; -+ atomic_unchecked_t freehit; -+ atomic_unchecked_t freemiss; -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ atomic_unchecked_t sanitized; -+ atomic_unchecked_t not_sanitized; -+#endif - - /* - * If debugging is enabled, then the allocator can add additional -diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h -index 3388511..6252f90 100644 ---- a/include/linux/slub_def.h -+++ b/include/linux/slub_def.h -@@ -74,7 +74,7 @@ struct kmem_cache { - struct kmem_cache_order_objects max; - struct kmem_cache_order_objects min; - gfp_t allocflags; /* gfp flags to use on each alloc */ -- int refcount; /* Refcount for slab cache destroy */ -+ atomic_t refcount; /* Refcount for slab cache destroy */ - void (*ctor)(void *); - int inuse; /* Offset to metadata */ - int align; /* Alignment */ -diff --git a/include/linux/smp.h b/include/linux/smp.h -index c441407..f487b83 100644 ---- a/include/linux/smp.h -+++ b/include/linux/smp.h -@@ -183,7 +183,9 @@ static inline void smp_init(void) { } - #endif - - #define get_cpu() ({ preempt_disable(); smp_processor_id(); }) -+#define raw_get_cpu() ({ raw_preempt_disable(); raw_smp_processor_id(); }) - #define put_cpu() preempt_enable() -+#define raw_put_cpu_no_resched() raw_preempt_enable_no_resched() - - /* - * Callback to arch code if there's nosmp or maxcpus=0 on the -diff --git a/include/linux/sock_diag.h b/include/linux/sock_diag.h -index 083ac38..b23e3e8 100644 ---- a/include/linux/sock_diag.h -+++ b/include/linux/sock_diag.h -@@ -11,7 +11,7 @@ struct sock; - struct sock_diag_handler { - __u8 family; - int (*dump)(struct sk_buff *skb, struct nlmsghdr *nlh); --}; -+} __do_const; - - int sock_diag_register(const struct sock_diag_handler *h); - void sock_diag_unregister(const struct sock_diag_handler *h); -diff --git a/include/linux/sonet.h b/include/linux/sonet.h -index 680f9a3..f13aeb0 100644 ---- a/include/linux/sonet.h -+++ b/include/linux/sonet.h -@@ -7,7 +7,7 @@ - #include <uapi/linux/sonet.h> - - struct k_sonet_stats { --#define __HANDLE_ITEM(i) atomic_t i -+#define __HANDLE_ITEM(i) atomic_unchecked_t i - __SONET_ITEMS - #undef __HANDLE_ITEM - }; -diff --git a/include/linux/sunrpc/addr.h b/include/linux/sunrpc/addr.h -index 07d8e53..dc934c9 100644 ---- a/include/linux/sunrpc/addr.h -+++ b/include/linux/sunrpc/addr.h -@@ -23,9 +23,9 @@ static inline unsigned short rpc_get_port(const struct sockaddr *sap) - { - switch (sap->sa_family) { - case AF_INET: -- return ntohs(((struct sockaddr_in *)sap)->sin_port); -+ return ntohs(((const struct sockaddr_in *)sap)->sin_port); - case AF_INET6: -- return ntohs(((struct sockaddr_in6 *)sap)->sin6_port); -+ return ntohs(((const struct sockaddr_in6 *)sap)->sin6_port); - } - return 0; - } -@@ -58,7 +58,7 @@ static inline bool __rpc_cmp_addr4(const struct sockaddr *sap1, - static inline bool __rpc_copy_addr4(struct sockaddr *dst, - const struct sockaddr *src) - { -- const struct sockaddr_in *ssin = (struct sockaddr_in *) src; -+ const struct sockaddr_in *ssin = (const struct sockaddr_in *) src; - struct sockaddr_in *dsin = (struct sockaddr_in *) dst; - - dsin->sin_family = ssin->sin_family; -@@ -164,7 +164,7 @@ static inline u32 rpc_get_scope_id(const struct sockaddr *sa) - if (sa->sa_family != AF_INET6) - return 0; - -- return ((struct sockaddr_in6 *) sa)->sin6_scope_id; -+ return ((const struct sockaddr_in6 *) sa)->sin6_scope_id; - } - - #endif /* _LINUX_SUNRPC_ADDR_H */ -diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h -index 598ba80..d90cba6 100644 ---- a/include/linux/sunrpc/clnt.h -+++ b/include/linux/sunrpc/clnt.h -@@ -100,7 +100,7 @@ struct rpc_procinfo { - unsigned int p_timer; /* Which RTT timer to use */ - u32 p_statidx; /* Which procedure to account */ - const char * p_name; /* name of procedure */ --}; -+} __do_const; - - #ifdef __KERNEL__ - -diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h -index fae6fb9..023fbcd 100644 ---- a/include/linux/sunrpc/svc.h -+++ b/include/linux/sunrpc/svc.h -@@ -420,7 +420,7 @@ struct svc_procedure { - unsigned int pc_count; /* call count */ - unsigned int pc_cachetype; /* cache info (NFS) */ - unsigned int pc_xdrressize; /* maximum size of XDR reply */ --}; -+} __do_const; - - /* - * Function prototypes. -diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h -index df8edf8..d140fec 100644 ---- a/include/linux/sunrpc/svc_rdma.h -+++ b/include/linux/sunrpc/svc_rdma.h -@@ -53,15 +53,15 @@ extern unsigned int svcrdma_ord; - extern unsigned int svcrdma_max_requests; - extern unsigned int svcrdma_max_req_size; - --extern atomic_t rdma_stat_recv; --extern atomic_t rdma_stat_read; --extern atomic_t rdma_stat_write; --extern atomic_t rdma_stat_sq_starve; --extern atomic_t rdma_stat_rq_starve; --extern atomic_t rdma_stat_rq_poll; --extern atomic_t rdma_stat_rq_prod; --extern atomic_t rdma_stat_sq_poll; --extern atomic_t rdma_stat_sq_prod; -+extern atomic_unchecked_t rdma_stat_recv; -+extern atomic_unchecked_t rdma_stat_read; -+extern atomic_unchecked_t rdma_stat_write; -+extern atomic_unchecked_t rdma_stat_sq_starve; -+extern atomic_unchecked_t rdma_stat_rq_starve; -+extern atomic_unchecked_t rdma_stat_rq_poll; -+extern atomic_unchecked_t rdma_stat_rq_prod; -+extern atomic_unchecked_t rdma_stat_sq_poll; -+extern atomic_unchecked_t rdma_stat_sq_prod; - - /* - * Contexts are built when an RDMA request is created and are a -diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h -index 8d71d65..f79586e 100644 ---- a/include/linux/sunrpc/svcauth.h -+++ b/include/linux/sunrpc/svcauth.h -@@ -120,7 +120,7 @@ struct auth_ops { - int (*release)(struct svc_rqst *rq); - void (*domain_release)(struct auth_domain *); - int (*set_client)(struct svc_rqst *rq); --}; -+} __do_const; - - #define SVC_GARBAGE 1 - #define SVC_SYSERR 2 -diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h -index e7a018e..49f8b17 100644 ---- a/include/linux/swiotlb.h -+++ b/include/linux/swiotlb.h -@@ -60,7 +60,8 @@ extern void - - extern void - swiotlb_free_coherent(struct device *hwdev, size_t size, -- void *vaddr, dma_addr_t dma_handle); -+ void *vaddr, dma_addr_t dma_handle, -+ struct dma_attrs *attrs); - - extern dma_addr_t swiotlb_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, -diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h -index 76d1e38..200776e 100644 ---- a/include/linux/syscalls.h -+++ b/include/linux/syscalls.h -@@ -102,7 +102,12 @@ union bpf_attr; - #define __TYPE_IS_L(t) (__same_type((t)0, 0L)) - #define __TYPE_IS_UL(t) (__same_type((t)0, 0UL)) - #define __TYPE_IS_LL(t) (__same_type((t)0, 0LL) || __same_type((t)0, 0ULL)) --#define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a -+#define __SC_LONG(t, a) __typeof__( \ -+ __builtin_choose_expr( \ -+ sizeof(t) > sizeof(int), \ -+ (t) 0, \ -+ __builtin_choose_expr(__type_is_unsigned(t), 0UL, 0L) \ -+ )) a - #define __SC_CAST(t, a) (t) a - #define __SC_ARGS(t, a) a - #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long)) -@@ -384,11 +389,11 @@ asmlinkage long sys_sync(void); - asmlinkage long sys_fsync(unsigned int fd); - asmlinkage long sys_fdatasync(unsigned int fd); - asmlinkage long sys_bdflush(int func, long data); --asmlinkage long sys_mount(char __user *dev_name, char __user *dir_name, -- char __user *type, unsigned long flags, -+asmlinkage long sys_mount(const char __user *dev_name, const char __user *dir_name, -+ const char __user *type, unsigned long flags, - void __user *data); --asmlinkage long sys_umount(char __user *name, int flags); --asmlinkage long sys_oldumount(char __user *name); -+asmlinkage long sys_umount(const char __user *name, int flags); -+asmlinkage long sys_oldumount(const char __user *name); - asmlinkage long sys_truncate(const char __user *path, long length); - asmlinkage long sys_ftruncate(unsigned int fd, unsigned long length); - asmlinkage long sys_stat(const char __user *filename, -@@ -604,7 +609,7 @@ asmlinkage long sys_getsockname(int, struct sockaddr __user *, int __user *); - asmlinkage long sys_getpeername(int, struct sockaddr __user *, int __user *); - asmlinkage long sys_send(int, void __user *, size_t, unsigned); - asmlinkage long sys_sendto(int, void __user *, size_t, unsigned, -- struct sockaddr __user *, int); -+ struct sockaddr __user *, int) __intentional_overflow(0); - asmlinkage long sys_sendmsg(int fd, struct user_msghdr __user *msg, unsigned flags); - asmlinkage long sys_sendmmsg(int fd, struct mmsghdr __user *msg, - unsigned int vlen, unsigned flags); -@@ -663,10 +668,10 @@ asmlinkage long sys_msgctl(int msqid, int cmd, struct msqid_ds __user *buf); - - asmlinkage long sys_semget(key_t key, int nsems, int semflg); - asmlinkage long sys_semop(int semid, struct sembuf __user *sops, -- unsigned nsops); -+ long nsops); - asmlinkage long sys_semctl(int semid, int semnum, int cmd, unsigned long arg); - asmlinkage long sys_semtimedop(int semid, struct sembuf __user *sops, -- unsigned nsops, -+ long nsops, - const struct timespec __user *timeout); - asmlinkage long sys_shmat(int shmid, char __user *shmaddr, int shmflg); - asmlinkage long sys_shmget(key_t key, size_t size, int flag); -diff --git a/include/linux/syscore_ops.h b/include/linux/syscore_ops.h -index 27b3b0b..e093dd9 100644 ---- a/include/linux/syscore_ops.h -+++ b/include/linux/syscore_ops.h -@@ -16,7 +16,7 @@ struct syscore_ops { - int (*suspend)(void); - void (*resume)(void); - void (*shutdown)(void); --}; -+} __do_const; - - extern void register_syscore_ops(struct syscore_ops *ops); - extern void unregister_syscore_ops(struct syscore_ops *ops); -diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h -index fa7bc29..0d96561 100644 ---- a/include/linux/sysctl.h -+++ b/include/linux/sysctl.h -@@ -39,10 +39,16 @@ typedef int proc_handler (struct ctl_table *ctl, int write, - - extern int proc_dostring(struct ctl_table *, int, - void __user *, size_t *, loff_t *); -+extern int proc_dostring_modpriv(struct ctl_table *, int, -+ void __user *, size_t *, loff_t *); - extern int proc_dointvec(struct ctl_table *, int, - void __user *, size_t *, loff_t *); -+extern int proc_dointvec_secure(struct ctl_table *, int, -+ void __user *, size_t *, loff_t *); - extern int proc_dointvec_minmax(struct ctl_table *, int, - void __user *, size_t *, loff_t *); -+extern int proc_dointvec_minmax_secure(struct ctl_table *, int, -+ void __user *, size_t *, loff_t *); - extern int proc_dointvec_jiffies(struct ctl_table *, int, - void __user *, size_t *, loff_t *); - extern int proc_dointvec_userhz_jiffies(struct ctl_table *, int, -@@ -113,7 +119,8 @@ struct ctl_table - struct ctl_table_poll *poll; - void *extra1; - void *extra2; --}; -+} __do_const __randomize_layout; -+typedef struct ctl_table __no_const ctl_table_no_const; - - struct ctl_node { - struct rb_node node; -diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h -index 9f65758..487a6f1 100644 ---- a/include/linux/sysfs.h -+++ b/include/linux/sysfs.h -@@ -34,7 +34,8 @@ struct attribute { - struct lock_class_key *key; - struct lock_class_key skey; - #endif --}; -+} __do_const; -+typedef struct attribute __no_const attribute_no_const; - - /** - * sysfs_attr_init - initialize a dynamically allocated sysfs attribute -@@ -78,7 +79,8 @@ struct attribute_group { - struct attribute *, int); - struct attribute **attrs; - struct bin_attribute **bin_attrs; --}; -+} __do_const; -+typedef struct attribute_group __no_const attribute_group_no_const; - - /** - * Use these macros to make defining attributes easier. See include/linux/device.h -@@ -152,7 +154,8 @@ struct bin_attribute { - char *, loff_t, size_t); - int (*mmap)(struct file *, struct kobject *, struct bin_attribute *attr, - struct vm_area_struct *vma); --}; -+} __do_const; -+typedef struct bin_attribute __no_const bin_attribute_no_const; - - /** - * sysfs_bin_attr_init - initialize a dynamically allocated bin_attribute -diff --git a/include/linux/sysrq.h b/include/linux/sysrq.h -index 387fa7d..3fcde6b 100644 ---- a/include/linux/sysrq.h -+++ b/include/linux/sysrq.h -@@ -16,6 +16,7 @@ - - #include <linux/errno.h> - #include <linux/types.h> -+#include <linux/compiler.h> - - /* Possible values of bitmask for enabling sysrq functions */ - /* 0x0001 is reserved for enable everything */ -@@ -33,7 +34,7 @@ struct sysrq_key_op { - char *help_msg; - char *action_msg; - int enable_mask; --}; -+} __do_const; - - #ifdef CONFIG_MAGIC_SYSRQ - -diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h -index ff307b5..f1a4468 100644 ---- a/include/linux/thread_info.h -+++ b/include/linux/thread_info.h -@@ -145,6 +145,13 @@ static inline bool test_and_clear_restore_sigmask(void) - #error "no set_restore_sigmask() provided and default one won't work" - #endif - -+extern void __check_object_size(const void *ptr, unsigned long n, bool to_user, bool const_size); -+ -+static inline void check_object_size(const void *ptr, unsigned long n, bool to_user) -+{ -+ __check_object_size(ptr, n, to_user, __builtin_constant_p(n)); -+} -+ - #endif /* __KERNEL__ */ - - #endif /* _LINUX_THREAD_INFO_H */ -diff --git a/include/linux/tty.h b/include/linux/tty.h -index d76631f..de91e82 100644 ---- a/include/linux/tty.h -+++ b/include/linux/tty.h -@@ -225,7 +225,7 @@ struct tty_port { - const struct tty_port_operations *ops; /* Port operations */ - spinlock_t lock; /* Lock protecting tty field */ - int blocked_open; /* Waiting to open */ -- int count; /* Usage count */ -+ atomic_t count; /* Usage count */ - wait_queue_head_t open_wait; /* Open waiters */ - wait_queue_head_t close_wait; /* Close waiters */ - wait_queue_head_t delta_msr_wait; /* Modem status change */ -@@ -313,7 +313,7 @@ struct tty_struct { - /* If the tty has a pending do_SAK, queue it here - akpm */ - struct work_struct SAK_work; - struct tty_port *port; --}; -+} __randomize_layout; - - /* Each of a tty's open files has private_data pointing to tty_file_private */ - struct tty_file_private { -@@ -573,7 +573,7 @@ extern int tty_port_open(struct tty_port *port, - struct tty_struct *tty, struct file *filp); - static inline int tty_port_users(struct tty_port *port) - { -- return port->count + port->blocked_open; -+ return atomic_read(&port->count) + port->blocked_open; - } - - extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc); -diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h -index 92e337c..f46757b 100644 ---- a/include/linux/tty_driver.h -+++ b/include/linux/tty_driver.h -@@ -291,7 +291,7 @@ struct tty_operations { - void (*poll_put_char)(struct tty_driver *driver, int line, char ch); - #endif - const struct file_operations *proc_fops; --}; -+} __do_const __randomize_layout; - - struct tty_driver { - int magic; /* magic number for this structure */ -@@ -325,7 +325,7 @@ struct tty_driver { - - const struct tty_operations *ops; - struct list_head tty_drivers; --}; -+} __randomize_layout; - - extern struct list_head tty_drivers; - -diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h -index 00c9d68..bc0188b 100644 ---- a/include/linux/tty_ldisc.h -+++ b/include/linux/tty_ldisc.h -@@ -215,7 +215,7 @@ struct tty_ldisc_ops { - - struct module *owner; - -- int refcount; -+ atomic_t refcount; - }; - - struct tty_ldisc { -diff --git a/include/linux/types.h b/include/linux/types.h -index 8715287..1be77ee 100644 ---- a/include/linux/types.h -+++ b/include/linux/types.h -@@ -176,10 +176,26 @@ typedef struct { - int counter; - } atomic_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ int counter; -+} atomic_unchecked_t; -+#else -+typedef atomic_t atomic_unchecked_t; -+#endif -+ - #ifdef CONFIG_64BIT - typedef struct { - long counter; - } atomic64_t; -+ -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ long counter; -+} atomic64_unchecked_t; -+#else -+typedef atomic64_t atomic64_unchecked_t; -+#endif - #endif - - struct list_head { -diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h -index ecd3319..8a36ded 100644 ---- a/include/linux/uaccess.h -+++ b/include/linux/uaccess.h -@@ -75,11 +75,11 @@ static inline unsigned long __copy_from_user_nocache(void *to, - long ret; \ - mm_segment_t old_fs = get_fs(); \ - \ -- set_fs(KERNEL_DS); \ - pagefault_disable(); \ -- ret = __copy_from_user_inatomic(&(retval), (__force typeof(retval) __user *)(addr), sizeof(retval)); \ -- pagefault_enable(); \ -+ set_fs(KERNEL_DS); \ -+ ret = __copy_from_user_inatomic(&(retval), (typeof(retval) __force_user *)(addr), sizeof(retval)); \ - set_fs(old_fs); \ -+ pagefault_enable(); \ - ret; \ - }) - -diff --git a/include/linux/uidgid.h b/include/linux/uidgid.h -index 0383552..a0125dd 100644 ---- a/include/linux/uidgid.h -+++ b/include/linux/uidgid.h -@@ -187,4 +187,9 @@ static inline bool kgid_has_mapping(struct user_namespace *ns, kgid_t gid) - - #endif /* CONFIG_USER_NS */ - -+#define GR_GLOBAL_UID(x) from_kuid_munged(&init_user_ns, (x)) -+#define GR_GLOBAL_GID(x) from_kgid_munged(&init_user_ns, (x)) -+#define gr_is_global_root(x) uid_eq((x), GLOBAL_ROOT_UID) -+#define gr_is_global_nonroot(x) (!uid_eq((x), GLOBAL_ROOT_UID)) -+ - #endif /* _LINUX_UIDGID_H */ -diff --git a/include/linux/uio_driver.h b/include/linux/uio_driver.h -index 32c0e83..671eb35 100644 ---- a/include/linux/uio_driver.h -+++ b/include/linux/uio_driver.h -@@ -67,7 +67,7 @@ struct uio_device { - struct module *owner; - struct device *dev; - int minor; -- atomic_t event; -+ atomic_unchecked_t event; - struct fasync_struct *async_queue; - wait_queue_head_t wait; - struct uio_info *info; -diff --git a/include/linux/unaligned/access_ok.h b/include/linux/unaligned/access_ok.h -index 99c1b4d..562e6f3 100644 ---- a/include/linux/unaligned/access_ok.h -+++ b/include/linux/unaligned/access_ok.h -@@ -4,34 +4,34 @@ - #include <linux/kernel.h> - #include <asm/byteorder.h> - --static inline u16 get_unaligned_le16(const void *p) -+static inline u16 __intentional_overflow(-1) get_unaligned_le16(const void *p) - { -- return le16_to_cpup((__le16 *)p); -+ return le16_to_cpup((const __le16 *)p); - } - --static inline u32 get_unaligned_le32(const void *p) -+static inline u32 __intentional_overflow(-1) get_unaligned_le32(const void *p) - { -- return le32_to_cpup((__le32 *)p); -+ return le32_to_cpup((const __le32 *)p); - } - --static inline u64 get_unaligned_le64(const void *p) -+static inline u64 __intentional_overflow(-1) get_unaligned_le64(const void *p) - { -- return le64_to_cpup((__le64 *)p); -+ return le64_to_cpup((const __le64 *)p); - } - --static inline u16 get_unaligned_be16(const void *p) -+static inline u16 __intentional_overflow(-1) get_unaligned_be16(const void *p) - { -- return be16_to_cpup((__be16 *)p); -+ return be16_to_cpup((const __be16 *)p); - } - --static inline u32 get_unaligned_be32(const void *p) -+static inline u32 __intentional_overflow(-1) get_unaligned_be32(const void *p) - { -- return be32_to_cpup((__be32 *)p); -+ return be32_to_cpup((const __be32 *)p); - } - --static inline u64 get_unaligned_be64(const void *p) -+static inline u64 __intentional_overflow(-1) get_unaligned_be64(const void *p) - { -- return be64_to_cpup((__be64 *)p); -+ return be64_to_cpup((const __be64 *)p); - } - - static inline void put_unaligned_le16(u16 val, void *p) -diff --git a/include/linux/usb.h b/include/linux/usb.h -index 447fe29..9fc875f 100644 ---- a/include/linux/usb.h -+++ b/include/linux/usb.h -@@ -592,7 +592,7 @@ struct usb_device { - int maxchild; - - u32 quirks; -- atomic_t urbnum; -+ atomic_unchecked_t urbnum; - - unsigned long active_duration; - -@@ -1676,7 +1676,7 @@ void usb_buffer_unmap_sg(const struct usb_device *dev, int is_in, - - extern int usb_control_msg(struct usb_device *dev, unsigned int pipe, - __u8 request, __u8 requesttype, __u16 value, __u16 index, -- void *data, __u16 size, int timeout); -+ void *data, __u16 size, int timeout) __intentional_overflow(-1); - extern int usb_interrupt_msg(struct usb_device *usb_dev, unsigned int pipe, - void *data, int len, int *actual_length, int timeout); - extern int usb_bulk_msg(struct usb_device *usb_dev, unsigned int pipe, -diff --git a/include/linux/usb/renesas_usbhs.h b/include/linux/usb/renesas_usbhs.h -index f06529c..dfeabd8 100644 ---- a/include/linux/usb/renesas_usbhs.h -+++ b/include/linux/usb/renesas_usbhs.h -@@ -39,7 +39,7 @@ enum { - */ - struct renesas_usbhs_driver_callback { - int (*notify_hotplug)(struct platform_device *pdev); --}; -+} __no_const; - - /* - * callback functions for platform -diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h -index 8297e5b..0dfae27 100644 ---- a/include/linux/user_namespace.h -+++ b/include/linux/user_namespace.h -@@ -39,7 +39,7 @@ struct user_namespace { - struct key *persistent_keyring_register; - struct rw_semaphore persistent_keyring_register_sem; - #endif --}; -+} __randomize_layout; - - extern struct user_namespace init_user_ns; - -diff --git a/include/linux/utsname.h b/include/linux/utsname.h -index 5093f58..c103e58 100644 ---- a/include/linux/utsname.h -+++ b/include/linux/utsname.h -@@ -25,7 +25,7 @@ struct uts_namespace { - struct new_utsname name; - struct user_namespace *user_ns; - struct ns_common ns; --}; -+} __randomize_layout; - extern struct uts_namespace init_uts_ns; - - #ifdef CONFIG_UTS_NS -diff --git a/include/linux/vermagic.h b/include/linux/vermagic.h -index 6f8fbcf..4efc177 100644 ---- a/include/linux/vermagic.h -+++ b/include/linux/vermagic.h -@@ -25,9 +25,42 @@ - #define MODULE_ARCH_VERMAGIC "" - #endif - -+#ifdef CONFIG_PAX_REFCOUNT -+#define MODULE_PAX_REFCOUNT "REFCOUNT " -+#else -+#define MODULE_PAX_REFCOUNT "" -+#endif -+ -+#ifdef CONSTIFY_PLUGIN -+#define MODULE_CONSTIFY_PLUGIN "CONSTIFY_PLUGIN " -+#else -+#define MODULE_CONSTIFY_PLUGIN "" -+#endif -+ -+#ifdef STACKLEAK_PLUGIN -+#define MODULE_STACKLEAK_PLUGIN "STACKLEAK_PLUGIN " -+#else -+#define MODULE_STACKLEAK_PLUGIN "" -+#endif -+ -+#ifdef RANDSTRUCT_PLUGIN -+#include <generated/randomize_layout_hash.h> -+#define MODULE_RANDSTRUCT_PLUGIN "RANDSTRUCT_PLUGIN_" RANDSTRUCT_HASHED_SEED -+#else -+#define MODULE_RANDSTRUCT_PLUGIN -+#endif -+ -+#ifdef CONFIG_GRKERNSEC -+#define MODULE_GRSEC "GRSEC " -+#else -+#define MODULE_GRSEC "" -+#endif -+ - #define VERMAGIC_STRING \ - UTS_RELEASE " " \ - MODULE_VERMAGIC_SMP MODULE_VERMAGIC_PREEMPT \ - MODULE_VERMAGIC_MODULE_UNLOAD MODULE_VERMAGIC_MODVERSIONS \ -- MODULE_ARCH_VERMAGIC -+ MODULE_ARCH_VERMAGIC \ -+ MODULE_PAX_REFCOUNT MODULE_CONSTIFY_PLUGIN MODULE_STACKLEAK_PLUGIN \ -+ MODULE_GRSEC MODULE_RANDSTRUCT_PLUGIN - -diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h -index b483abd..af305ad 100644 ---- a/include/linux/vga_switcheroo.h -+++ b/include/linux/vga_switcheroo.h -@@ -63,9 +63,9 @@ int vga_switcheroo_get_client_state(struct pci_dev *dev); - - void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic); - --int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain); -+int vga_switcheroo_init_domain_pm_ops(struct device *dev, dev_pm_domain_no_const *domain); - void vga_switcheroo_fini_domain_pm_ops(struct device *dev); --int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain); -+int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, dev_pm_domain_no_const *domain); - #else - - static inline void vga_switcheroo_unregister_client(struct pci_dev *dev) {} -@@ -82,9 +82,9 @@ static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return - - static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {} - --static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } -+static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, dev_pm_domain_no_const *domain) { return -EINVAL; } - static inline void vga_switcheroo_fini_domain_pm_ops(struct device *dev) {} --static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; } -+static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, dev_pm_domain_no_const *domain) { return -EINVAL; } - - #endif - #endif /* _LINUX_VGA_SWITCHEROO_H_ */ -diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h -index 0ec5983..d5888bb 100644 ---- a/include/linux/vmalloc.h -+++ b/include/linux/vmalloc.h -@@ -18,6 +18,14 @@ struct vm_area_struct; /* vma defining user mapping in mm_types.h */ - #define VM_UNINITIALIZED 0x00000020 /* vm_struct is not fully initialized */ - #define VM_NO_GUARD 0x00000040 /* don't add guard page */ - #define VM_KASAN 0x00000080 /* has allocated kasan shadow memory */ -+ -+#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+#define VM_KERNEXEC 0x00000100 /* allocate from executable kernel memory range */ -+#endif -+ -+#define VM_USERCOPY 0x00000200 /* allocation intended for copies to userland */ -+ -+ - /* bits [20..32] reserved for arch specific ioremap internals */ - - /* -@@ -67,6 +75,7 @@ static inline void vmalloc_init(void) - #endif - - extern void *vmalloc(unsigned long size); -+extern void *vmalloc_usercopy(unsigned long size); - extern void *vzalloc(unsigned long size); - extern void *vmalloc_user(unsigned long size); - extern void *vmalloc_node(unsigned long size, int node); -@@ -86,6 +95,10 @@ extern void *vmap(struct page **pages, unsigned int count, - unsigned long flags, pgprot_t prot); - extern void vunmap(const void *addr); - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+extern void unmap_process_stacks(struct task_struct *task); -+#endif -+ - extern int remap_vmalloc_range_partial(struct vm_area_struct *vma, - unsigned long uaddr, void *kaddr, - unsigned long size); -@@ -150,7 +163,7 @@ extern void free_vm_area(struct vm_struct *area); - - /* for /dev/kmem */ - extern long vread(char *buf, char *addr, unsigned long count); --extern long vwrite(char *buf, char *addr, unsigned long count); -+extern long vwrite(char *buf, char *addr, unsigned long count) __size_overflow(3); - - /* - * Internals. Dont't use.. -diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h -index 82e7db7..f8ce3d0 100644 ---- a/include/linux/vmstat.h -+++ b/include/linux/vmstat.h -@@ -108,18 +108,18 @@ static inline void vm_events_fold_cpu(int cpu) - /* - * Zone based page accounting with per cpu differentials. - */ --extern atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; -+extern atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; - - static inline void zone_page_state_add(long x, struct zone *zone, - enum zone_stat_item item) - { -- atomic_long_add(x, &zone->vm_stat[item]); -- atomic_long_add(x, &vm_stat[item]); -+ atomic_long_add_unchecked(x, &zone->vm_stat[item]); -+ atomic_long_add_unchecked(x, &vm_stat[item]); - } - --static inline unsigned long global_page_state(enum zone_stat_item item) -+static inline unsigned long __intentional_overflow(-1) global_page_state(enum zone_stat_item item) - { -- long x = atomic_long_read(&vm_stat[item]); -+ long x = atomic_long_read_unchecked(&vm_stat[item]); - #ifdef CONFIG_SMP - if (x < 0) - x = 0; -@@ -127,10 +127,10 @@ static inline unsigned long global_page_state(enum zone_stat_item item) - return x; - } - --static inline unsigned long zone_page_state(struct zone *zone, -+static inline unsigned long __intentional_overflow(-1) zone_page_state(struct zone *zone, - enum zone_stat_item item) - { -- long x = atomic_long_read(&zone->vm_stat[item]); -+ long x = atomic_long_read_unchecked(&zone->vm_stat[item]); - #ifdef CONFIG_SMP - if (x < 0) - x = 0; -@@ -147,7 +147,7 @@ static inline unsigned long zone_page_state(struct zone *zone, - static inline unsigned long zone_page_state_snapshot(struct zone *zone, - enum zone_stat_item item) - { -- long x = atomic_long_read(&zone->vm_stat[item]); -+ long x = atomic_long_read_unchecked(&zone->vm_stat[item]); - - #ifdef CONFIG_SMP - int cpu; -@@ -234,14 +234,14 @@ static inline void __mod_zone_page_state(struct zone *zone, - - static inline void __inc_zone_state(struct zone *zone, enum zone_stat_item item) - { -- atomic_long_inc(&zone->vm_stat[item]); -- atomic_long_inc(&vm_stat[item]); -+ atomic_long_inc_unchecked(&zone->vm_stat[item]); -+ atomic_long_inc_unchecked(&vm_stat[item]); - } - - static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item) - { -- atomic_long_dec(&zone->vm_stat[item]); -- atomic_long_dec(&vm_stat[item]); -+ atomic_long_dec_unchecked(&zone->vm_stat[item]); -+ atomic_long_dec_unchecked(&vm_stat[item]); - } - - static inline void __inc_zone_page_state(struct page *page, -diff --git a/include/linux/xattr.h b/include/linux/xattr.h -index 91b0a68..0e9adf6 100644 ---- a/include/linux/xattr.h -+++ b/include/linux/xattr.h -@@ -28,7 +28,7 @@ struct xattr_handler { - size_t size, int handler_flags); - int (*set)(struct dentry *dentry, const char *name, const void *buffer, - size_t size, int flags, int handler_flags); --}; -+} __do_const; - - struct xattr { - const char *name; -@@ -37,6 +37,9 @@ struct xattr { - }; - - ssize_t xattr_getsecurity(struct inode *, const char *, void *, size_t); -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+ssize_t pax_getxattr(struct dentry *, void *, size_t); -+#endif - ssize_t vfs_getxattr(struct dentry *, const char *, void *, size_t); - ssize_t vfs_listxattr(struct dentry *d, char *list, size_t size); - int __vfs_setxattr_noperm(struct dentry *, const char *, const void *, size_t, int); -diff --git a/include/linux/zlib.h b/include/linux/zlib.h -index 92dbbd3..13ab0b3 100644 ---- a/include/linux/zlib.h -+++ b/include/linux/zlib.h -@@ -31,6 +31,7 @@ - #define _ZLIB_H - - #include <linux/zconf.h> -+#include <linux/compiler.h> - - /* zlib deflate based on ZLIB_VERSION "1.1.3" */ - /* zlib inflate based on ZLIB_VERSION "1.2.3" */ -@@ -179,7 +180,7 @@ typedef z_stream *z_streamp; - - /* basic functions */ - --extern int zlib_deflate_workspacesize (int windowBits, int memLevel); -+extern int zlib_deflate_workspacesize (int windowBits, int memLevel) __intentional_overflow(0); - /* - Returns the number of bytes that needs to be allocated for a per- - stream workspace with the specified parameters. A pointer to this -diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h -index acbcd2f..c3abe84 100644 ---- a/include/media/v4l2-dev.h -+++ b/include/media/v4l2-dev.h -@@ -74,7 +74,7 @@ struct v4l2_file_operations { - int (*mmap) (struct file *, struct vm_area_struct *); - int (*open) (struct file *); - int (*release) (struct file *); --}; -+} __do_const; - - /* - * Newer version of video_device, handled by videodev2.c -diff --git a/include/media/v4l2-device.h b/include/media/v4l2-device.h -index 9c58157..d86ebf5 100644 ---- a/include/media/v4l2-device.h -+++ b/include/media/v4l2-device.h -@@ -93,7 +93,7 @@ int __must_check v4l2_device_register(struct device *dev, struct v4l2_device *v4 - this function returns 0. If the name ends with a digit (e.g. cx18), - then the name will be set to cx18-0 since cx180 looks really odd. */ - int v4l2_device_set_name(struct v4l2_device *v4l2_dev, const char *basename, -- atomic_t *instance); -+ atomic_unchecked_t *instance); - - /* Set v4l2_dev->dev to NULL. Call when the USB parent disconnects. - Since the parent disappears this ensures that v4l2_dev doesn't have an -diff --git a/include/net/9p/transport.h b/include/net/9p/transport.h -index 5122b5e..598b440 100644 ---- a/include/net/9p/transport.h -+++ b/include/net/9p/transport.h -@@ -62,7 +62,7 @@ struct p9_trans_module { - int (*cancelled)(struct p9_client *, struct p9_req_t *req); - int (*zc_request)(struct p9_client *, struct p9_req_t *, - struct iov_iter *, struct iov_iter *, int , int, int); --}; -+} __do_const; - - void v9fs_register_trans(struct p9_trans_module *m); - void v9fs_unregister_trans(struct p9_trans_module *m); -diff --git a/include/net/af_unix.h b/include/net/af_unix.h -index a175ba4..196eb8242 100644 ---- a/include/net/af_unix.h -+++ b/include/net/af_unix.h -@@ -36,7 +36,7 @@ struct unix_skb_parms { - u32 secid; /* Security ID */ - #endif - u32 consumed; --}; -+} __randomize_layout; - - #define UNIXCB(skb) (*(struct unix_skb_parms *)&((skb)->cb)) - #define UNIXSID(skb) (&UNIXCB((skb)).secid) -diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h -index 2239a37..a83461f 100644 ---- a/include/net/bluetooth/l2cap.h -+++ b/include/net/bluetooth/l2cap.h -@@ -609,7 +609,7 @@ struct l2cap_ops { - struct sk_buff *(*alloc_skb) (struct l2cap_chan *chan, - unsigned long hdr_len, - unsigned long len, int nb); --}; -+} __do_const; - - struct l2cap_conn { - struct hci_conn *hcon; -diff --git a/include/net/bonding.h b/include/net/bonding.h -index 78ed135..2f53667 100644 ---- a/include/net/bonding.h -+++ b/include/net/bonding.h -@@ -658,7 +658,7 @@ extern struct rtnl_link_ops bond_link_ops; - - static inline void bond_tx_drop(struct net_device *dev, struct sk_buff *skb) - { -- atomic_long_inc(&dev->tx_dropped); -+ atomic_long_inc_unchecked(&dev->tx_dropped); - dev_kfree_skb_any(skb); - } - -diff --git a/include/net/caif/cfctrl.h b/include/net/caif/cfctrl.h -index f2ae33d..c457cf0 100644 ---- a/include/net/caif/cfctrl.h -+++ b/include/net/caif/cfctrl.h -@@ -52,7 +52,7 @@ struct cfctrl_rsp { - void (*radioset_rsp)(void); - void (*reject_rsp)(struct cflayer *layer, u8 linkid, - struct cflayer *client_layer); --}; -+} __no_const; - - /* Link Setup Parameters for CAIF-Links. */ - struct cfctrl_link_param { -@@ -101,8 +101,8 @@ struct cfctrl_request_info { - struct cfctrl { - struct cfsrvl serv; - struct cfctrl_rsp res; -- atomic_t req_seq_no; -- atomic_t rsp_seq_no; -+ atomic_unchecked_t req_seq_no; -+ atomic_unchecked_t rsp_seq_no; - struct list_head list; - /* Protects from simultaneous access to first_req list */ - spinlock_t info_list_lock; -diff --git a/include/net/flow.h b/include/net/flow.h -index 8109a15..504466d 100644 ---- a/include/net/flow.h -+++ b/include/net/flow.h -@@ -231,6 +231,6 @@ void flow_cache_fini(struct net *net); - - void flow_cache_flush(struct net *net); - void flow_cache_flush_deferred(struct net *net); --extern atomic_t flow_cache_genid; -+extern atomic_unchecked_t flow_cache_genid; - - #endif -diff --git a/include/net/genetlink.h b/include/net/genetlink.h -index a9af1cc..1f3fa7b 100644 ---- a/include/net/genetlink.h -+++ b/include/net/genetlink.h -@@ -128,7 +128,7 @@ struct genl_ops { - u8 cmd; - u8 internal_flags; - u8 flags; --}; -+} __do_const; - - int __genl_register_family(struct genl_family *family); - -diff --git a/include/net/gro_cells.h b/include/net/gro_cells.h -index 0f712c0..cd762c4 100644 ---- a/include/net/gro_cells.h -+++ b/include/net/gro_cells.h -@@ -27,7 +27,7 @@ static inline void gro_cells_receive(struct gro_cells *gcells, struct sk_buff *s - cell = this_cpu_ptr(gcells->cells); - - if (skb_queue_len(&cell->napi_skbs) > netdev_max_backlog) { -- atomic_long_inc(&dev->rx_dropped); -+ atomic_long_inc_unchecked(&dev->rx_dropped); - kfree_skb(skb); - return; - } -diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h -index 0320bbb..938789c 100644 ---- a/include/net/inet_connection_sock.h -+++ b/include/net/inet_connection_sock.h -@@ -63,7 +63,7 @@ struct inet_connection_sock_af_ops { - int (*bind_conflict)(const struct sock *sk, - const struct inet_bind_bucket *tb, bool relax); - void (*mtu_reduced)(struct sock *sk); --}; -+} __do_const; - - /** inet_connection_sock - INET connection oriented sock - * -diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h -index 8d17655..2f3246d 100644 ---- a/include/net/inet_frag.h -+++ b/include/net/inet_frag.h -@@ -21,13 +21,11 @@ struct netns_frags { - * @INET_FRAG_FIRST_IN: first fragment has arrived - * @INET_FRAG_LAST_IN: final fragment has arrived - * @INET_FRAG_COMPLETE: frag queue has been processed and is due for destruction -- * @INET_FRAG_EVICTED: frag queue is being evicted - */ - enum { - INET_FRAG_FIRST_IN = BIT(0), - INET_FRAG_LAST_IN = BIT(1), - INET_FRAG_COMPLETE = BIT(2), -- INET_FRAG_EVICTED = BIT(3) - }; - - /** -@@ -45,6 +43,7 @@ enum { - * @flags: fragment queue flags - * @max_size: (ipv4 only) maximum received fragment size with IP_DF set - * @net: namespace that this frag belongs to -+ * @list_evictor: list of queues to forcefully evict (e.g. due to low memory) - */ - struct inet_frag_queue { - spinlock_t lock; -@@ -59,6 +58,7 @@ struct inet_frag_queue { - __u8 flags; - u16 max_size; - struct netns_frags *net; -+ struct hlist_node list_evictor; - }; - - #define INETFRAGS_HASHSZ 1024 -@@ -125,6 +125,11 @@ static inline void inet_frag_put(struct inet_frag_queue *q, struct inet_frags *f - inet_frag_destroy(q, f); - } - -+static inline bool inet_frag_evicting(struct inet_frag_queue *q) -+{ -+ return !hlist_unhashed(&q->list_evictor); -+} -+ - /* Memory Tracking Functions. */ - - /* The default percpu_counter batch size is not big enough to scale to -@@ -139,14 +144,14 @@ static inline int frag_mem_limit(struct netns_frags *nf) - return percpu_counter_read(&nf->mem); - } - --static inline void sub_frag_mem_limit(struct inet_frag_queue *q, int i) -+static inline void sub_frag_mem_limit(struct netns_frags *nf, int i) - { -- __percpu_counter_add(&q->net->mem, -i, frag_percpu_counter_batch); -+ __percpu_counter_add(&nf->mem, -i, frag_percpu_counter_batch); - } - --static inline void add_frag_mem_limit(struct inet_frag_queue *q, int i) -+static inline void add_frag_mem_limit(struct netns_frags *nf, int i) - { -- __percpu_counter_add(&q->net->mem, i, frag_percpu_counter_batch); -+ __percpu_counter_add(&nf->mem, i, frag_percpu_counter_batch); - } - - static inline void init_frag_mem_limit(struct netns_frags *nf) -diff --git a/include/net/inetpeer.h b/include/net/inetpeer.h -index d5332dd..10a5c3c 100644 ---- a/include/net/inetpeer.h -+++ b/include/net/inetpeer.h -@@ -48,7 +48,7 @@ struct inet_peer { - */ - union { - struct { -- atomic_t rid; /* Frag reception counter */ -+ atomic_unchecked_t rid; /* Frag reception counter */ - }; - struct rcu_head rcu; - struct inet_peer *gc_next; -diff --git a/include/net/ip.h b/include/net/ip.h -index d14af7e..52816c2 100644 ---- a/include/net/ip.h -+++ b/include/net/ip.h -@@ -318,7 +318,7 @@ static inline unsigned int ip_skb_dst_mtu(const struct sk_buff *skb) - } - } - --u32 ip_idents_reserve(u32 hash, int segs); -+u32 ip_idents_reserve(u32 hash, int segs) __intentional_overflow(-1); - void __ip_select_ident(struct net *net, struct iphdr *iph, int segs); - - static inline void ip_select_ident_segs(struct net *net, struct sk_buff *skb, -diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h -index 54271ed..eb7e0e6 100644 ---- a/include/net/ip_fib.h -+++ b/include/net/ip_fib.h -@@ -170,7 +170,7 @@ __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh); - - #define FIB_RES_SADDR(net, res) \ - ((FIB_RES_NH(res).nh_saddr_genid == \ -- atomic_read(&(net)->ipv4.dev_addr_genid)) ? \ -+ atomic_read_unchecked(&(net)->ipv4.dev_addr_genid)) ? \ - FIB_RES_NH(res).nh_saddr : \ - fib_info_update_nh_saddr((net), &FIB_RES_NH(res))) - #define FIB_RES_GW(res) (FIB_RES_NH(res).nh_gw) -diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h -index 4e3731e..a242e28 100644 ---- a/include/net/ip_vs.h -+++ b/include/net/ip_vs.h -@@ -551,7 +551,7 @@ struct ip_vs_conn { - struct ip_vs_conn *control; /* Master control connection */ - atomic_t n_control; /* Number of controlled ones */ - struct ip_vs_dest *dest; /* real server */ -- atomic_t in_pkts; /* incoming packet counter */ -+ atomic_unchecked_t in_pkts; /* incoming packet counter */ - - /* Packet transmitter for different forwarding methods. If it - * mangles the packet, it must return NF_DROP or better NF_STOLEN, -@@ -699,7 +699,7 @@ struct ip_vs_dest { - __be16 port; /* port number of the server */ - union nf_inet_addr addr; /* IP address of the server */ - volatile unsigned int flags; /* dest status flags */ -- atomic_t conn_flags; /* flags to copy to conn */ -+ atomic_unchecked_t conn_flags; /* flags to copy to conn */ - atomic_t weight; /* server weight */ - - atomic_t refcnt; /* reference counter */ -@@ -946,11 +946,11 @@ struct netns_ipvs { - /* ip_vs_lblc */ - int sysctl_lblc_expiration; - struct ctl_table_header *lblc_ctl_header; -- struct ctl_table *lblc_ctl_table; -+ ctl_table_no_const *lblc_ctl_table; - /* ip_vs_lblcr */ - int sysctl_lblcr_expiration; - struct ctl_table_header *lblcr_ctl_header; -- struct ctl_table *lblcr_ctl_table; -+ ctl_table_no_const *lblcr_ctl_table; - /* ip_vs_est */ - struct list_head est_list; /* estimator list */ - spinlock_t est_lock; -diff --git a/include/net/irda/ircomm_tty.h b/include/net/irda/ircomm_tty.h -index 8d4f588..2e37ad2 100644 ---- a/include/net/irda/ircomm_tty.h -+++ b/include/net/irda/ircomm_tty.h -@@ -33,6 +33,7 @@ - #include <linux/termios.h> - #include <linux/timer.h> - #include <linux/tty.h> /* struct tty_struct */ -+#include <asm/local.h> - - #include <net/irda/irias_object.h> - #include <net/irda/ircomm_core.h> -diff --git a/include/net/iucv/af_iucv.h b/include/net/iucv/af_iucv.h -index 714cc9a..ea05f3e 100644 ---- a/include/net/iucv/af_iucv.h -+++ b/include/net/iucv/af_iucv.h -@@ -149,7 +149,7 @@ struct iucv_skb_cb { - struct iucv_sock_list { - struct hlist_head head; - rwlock_t lock; -- atomic_t autobind_name; -+ atomic_unchecked_t autobind_name; - }; - - unsigned int iucv_sock_poll(struct file *file, struct socket *sock, -diff --git a/include/net/llc_c_ac.h b/include/net/llc_c_ac.h -index f3be818..bf46196 100644 ---- a/include/net/llc_c_ac.h -+++ b/include/net/llc_c_ac.h -@@ -87,7 +87,7 @@ - #define LLC_CONN_AC_STOP_SENDACK_TMR 70 - #define LLC_CONN_AC_START_SENDACK_TMR_IF_NOT_RUNNING 71 - --typedef int (*llc_conn_action_t)(struct sock *sk, struct sk_buff *skb); -+typedef int (* const llc_conn_action_t)(struct sock *sk, struct sk_buff *skb); - - int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb); - int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb); -diff --git a/include/net/llc_c_ev.h b/include/net/llc_c_ev.h -index 3948cf1..83b28c4 100644 ---- a/include/net/llc_c_ev.h -+++ b/include/net/llc_c_ev.h -@@ -125,8 +125,8 @@ static __inline__ struct llc_conn_state_ev *llc_conn_ev(struct sk_buff *skb) - return (struct llc_conn_state_ev *)skb->cb; - } - --typedef int (*llc_conn_ev_t)(struct sock *sk, struct sk_buff *skb); --typedef int (*llc_conn_ev_qfyr_t)(struct sock *sk, struct sk_buff *skb); -+typedef int (* const llc_conn_ev_t)(struct sock *sk, struct sk_buff *skb); -+typedef int (* const llc_conn_ev_qfyr_t)(struct sock *sk, struct sk_buff *skb); - - int llc_conn_ev_conn_req(struct sock *sk, struct sk_buff *skb); - int llc_conn_ev_data_req(struct sock *sk, struct sk_buff *skb); -diff --git a/include/net/llc_c_st.h b/include/net/llc_c_st.h -index 48f3f89..0e92c50 100644 ---- a/include/net/llc_c_st.h -+++ b/include/net/llc_c_st.h -@@ -37,7 +37,7 @@ struct llc_conn_state_trans { - u8 next_state; - const llc_conn_ev_qfyr_t *ev_qualifiers; - const llc_conn_action_t *ev_actions; --}; -+} __do_const; - - struct llc_conn_state { - u8 current_state; -diff --git a/include/net/llc_s_ac.h b/include/net/llc_s_ac.h -index a61b98c..aade1eb 100644 ---- a/include/net/llc_s_ac.h -+++ b/include/net/llc_s_ac.h -@@ -23,7 +23,7 @@ - #define SAP_ACT_TEST_IND 9 - - /* All action functions must look like this */ --typedef int (*llc_sap_action_t)(struct llc_sap *sap, struct sk_buff *skb); -+typedef int (* const llc_sap_action_t)(struct llc_sap *sap, struct sk_buff *skb); - - int llc_sap_action_unitdata_ind(struct llc_sap *sap, struct sk_buff *skb); - int llc_sap_action_send_ui(struct llc_sap *sap, struct sk_buff *skb); -diff --git a/include/net/llc_s_st.h b/include/net/llc_s_st.h -index c4359e2..76dbc4a 100644 ---- a/include/net/llc_s_st.h -+++ b/include/net/llc_s_st.h -@@ -20,7 +20,7 @@ struct llc_sap_state_trans { - llc_sap_ev_t ev; - u8 next_state; - const llc_sap_action_t *ev_actions; --}; -+} __do_const; - - struct llc_sap_state { - u8 curr_state; -diff --git a/include/net/mac80211.h b/include/net/mac80211.h -index fc57f6b..9c1fdb2 100644 ---- a/include/net/mac80211.h -+++ b/include/net/mac80211.h -@@ -5104,7 +5104,7 @@ struct rate_control_ops { - void (*remove_sta_debugfs)(void *priv, void *priv_sta); - - u32 (*get_expected_throughput)(void *priv_sta); --}; -+} __do_const; - - static inline int rate_supported(struct ieee80211_sta *sta, - enum ieee80211_band band, -diff --git a/include/net/neighbour.h b/include/net/neighbour.h -index bd33e66..6508d00 100644 ---- a/include/net/neighbour.h -+++ b/include/net/neighbour.h -@@ -162,7 +162,7 @@ struct neigh_ops { - void (*error_report)(struct neighbour *, struct sk_buff *); - int (*output)(struct neighbour *, struct sk_buff *); - int (*connected_output)(struct neighbour *, struct sk_buff *); --}; -+} __do_const; - - struct pneigh_entry { - struct pneigh_entry *next; -@@ -216,7 +216,7 @@ struct neigh_table { - struct neigh_statistics __percpu *stats; - struct neigh_hash_table __rcu *nht; - struct pneigh_entry **phash_buckets; --}; -+} __randomize_layout; - - enum { - NEIGH_ARP_TABLE = 0, -diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h -index f733656..54053db 100644 ---- a/include/net/net_namespace.h -+++ b/include/net/net_namespace.h -@@ -132,8 +132,8 @@ struct net { - struct netns_mpls mpls; - #endif - struct sock *diag_nlsk; -- atomic_t fnhe_genid; --}; -+ atomic_unchecked_t fnhe_genid; -+} __randomize_layout; - - #include <linux/seq_file_net.h> - -@@ -268,7 +268,11 @@ static inline struct net *read_pnet(const possible_net_t *pnet) - #define __net_init __init - #define __net_exit __exit_refok - #define __net_initdata __initdata -+#ifdef CONSTIFY_PLUGIN - #define __net_initconst __initconst -+#else -+#define __net_initconst __initdata -+#endif - #endif - - int peernet2id(struct net *net, struct net *peer); -@@ -281,7 +285,7 @@ struct pernet_operations { - void (*exit_batch)(struct list_head *net_exit_list); - int *id; - size_t size; --}; -+} __do_const; - - /* - * Use these carefully. If you implement a network device and it -@@ -329,12 +333,12 @@ static inline void unregister_net_sysctl_table(struct ctl_table_header *header) - - static inline int rt_genid_ipv4(struct net *net) - { -- return atomic_read(&net->ipv4.rt_genid); -+ return atomic_read_unchecked(&net->ipv4.rt_genid); - } - - static inline void rt_genid_bump_ipv4(struct net *net) - { -- atomic_inc(&net->ipv4.rt_genid); -+ atomic_inc_unchecked(&net->ipv4.rt_genid); - } - - extern void (*__fib6_flush_trees)(struct net *net); -@@ -361,12 +365,12 @@ static inline void rt_genid_bump_all(struct net *net) - - static inline int fnhe_genid(struct net *net) - { -- return atomic_read(&net->fnhe_genid); -+ return atomic_read_unchecked(&net->fnhe_genid); - } - - static inline void fnhe_genid_bump(struct net *net) - { -- atomic_inc(&net->fnhe_genid); -+ atomic_inc_unchecked(&net->fnhe_genid); - } - - #endif /* __NET_NET_NAMESPACE_H */ -diff --git a/include/net/netlink.h b/include/net/netlink.h -index 2a5dbcc..8243656 100644 ---- a/include/net/netlink.h -+++ b/include/net/netlink.h -@@ -521,7 +521,7 @@ static inline void nlmsg_trim(struct sk_buff *skb, const void *mark) - { - if (mark) { - WARN_ON((unsigned char *) mark < skb->data); -- skb_trim(skb, (unsigned char *) mark - skb->data); -+ skb_trim(skb, (const unsigned char *) mark - skb->data); - } - } - -diff --git a/include/net/netns/conntrack.h b/include/net/netns/conntrack.h -index 29d6a94..235d3d84 100644 ---- a/include/net/netns/conntrack.h -+++ b/include/net/netns/conntrack.h -@@ -14,10 +14,10 @@ struct nf_conntrack_ecache; - struct nf_proto_net { - #ifdef CONFIG_SYSCTL - struct ctl_table_header *ctl_table_header; -- struct ctl_table *ctl_table; -+ ctl_table_no_const *ctl_table; - #ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT - struct ctl_table_header *ctl_compat_header; -- struct ctl_table *ctl_compat_table; -+ ctl_table_no_const *ctl_compat_table; - #endif - #endif - unsigned int users; -@@ -60,7 +60,7 @@ struct nf_ip_net { - struct nf_icmp_net icmpv6; - #if defined(CONFIG_SYSCTL) && defined(CONFIG_NF_CONNTRACK_PROC_COMPAT) - struct ctl_table_header *ctl_table_header; -- struct ctl_table *ctl_table; -+ ctl_table_no_const *ctl_table; - #endif - }; - -diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h -index 614a49b..0b94386 100644 ---- a/include/net/netns/ipv4.h -+++ b/include/net/netns/ipv4.h -@@ -90,7 +90,7 @@ struct netns_ipv4 { - - struct ping_group_range ping_group_range; - -- atomic_t dev_addr_genid; -+ atomic_unchecked_t dev_addr_genid; - - #ifdef CONFIG_SYSCTL - unsigned long *sysctl_local_reserved_ports; -@@ -104,6 +104,6 @@ struct netns_ipv4 { - struct fib_rules_ops *mr_rules_ops; - #endif - #endif -- atomic_t rt_genid; -+ atomic_unchecked_t rt_genid; - }; - #endif -diff --git a/include/net/netns/ipv6.h b/include/net/netns/ipv6.h -index d2527bf..2c802d5 100644 ---- a/include/net/netns/ipv6.h -+++ b/include/net/netns/ipv6.h -@@ -78,8 +78,8 @@ struct netns_ipv6 { - struct fib_rules_ops *mr6_rules_ops; - #endif - #endif -- atomic_t dev_addr_genid; -- atomic_t fib6_sernum; -+ atomic_unchecked_t dev_addr_genid; -+ atomic_unchecked_t fib6_sernum; - }; - - #if IS_ENABLED(CONFIG_NF_DEFRAG_IPV6) -diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h -index 730d82a..045f2c4 100644 ---- a/include/net/netns/xfrm.h -+++ b/include/net/netns/xfrm.h -@@ -78,7 +78,7 @@ struct netns_xfrm { - - /* flow cache part */ - struct flow_cache flow_cache_global; -- atomic_t flow_cache_genid; -+ atomic_unchecked_t flow_cache_genid; - struct list_head flow_cache_gc_list; - spinlock_t flow_cache_gc_lock; - struct work_struct flow_cache_gc_work; -diff --git a/include/net/ping.h b/include/net/ping.h -index ac80cb4..ec1ed09 100644 ---- a/include/net/ping.h -+++ b/include/net/ping.h -@@ -54,7 +54,7 @@ struct ping_iter_state { - - extern struct proto ping_prot; - #if IS_ENABLED(CONFIG_IPV6) --extern struct pingv6_ops pingv6_ops; -+extern struct pingv6_ops *pingv6_ops; - #endif - - struct pingfakehdr { -diff --git a/include/net/protocol.h b/include/net/protocol.h -index d6fcc1f..ca277058 100644 ---- a/include/net/protocol.h -+++ b/include/net/protocol.h -@@ -49,7 +49,7 @@ struct net_protocol { - * socket lookup? - */ - icmp_strict_tag_validation:1; --}; -+} __do_const; - - #if IS_ENABLED(CONFIG_IPV6) - struct inet6_protocol { -@@ -62,7 +62,7 @@ struct inet6_protocol { - u8 type, u8 code, int offset, - __be32 info); - unsigned int flags; /* INET6_PROTO_xxx */ --}; -+} __do_const; - - #define INET6_PROTO_NOPOLICY 0x1 - #define INET6_PROTO_FINAL 0x2 -diff --git a/include/net/rtnetlink.h b/include/net/rtnetlink.h -index 343d922..7959cde 100644 ---- a/include/net/rtnetlink.h -+++ b/include/net/rtnetlink.h -@@ -95,7 +95,7 @@ struct rtnl_link_ops { - const struct net_device *dev, - const struct net_device *slave_dev); - struct net *(*get_link_net)(const struct net_device *dev); --}; -+} __do_const; - - int __rtnl_link_register(struct rtnl_link_ops *ops); - void __rtnl_link_unregister(struct rtnl_link_ops *ops); -diff --git a/include/net/sctp/checksum.h b/include/net/sctp/checksum.h -index 4a5b9a3..ca27d73 100644 ---- a/include/net/sctp/checksum.h -+++ b/include/net/sctp/checksum.h -@@ -61,8 +61,8 @@ static inline __le32 sctp_compute_cksum(const struct sk_buff *skb, - unsigned int offset) - { - struct sctphdr *sh = sctp_hdr(skb); -- __le32 ret, old = sh->checksum; -- const struct skb_checksum_ops ops = { -+ __le32 ret, old = sh->checksum; -+ static const struct skb_checksum_ops ops = { - .update = sctp_csum_update, - .combine = sctp_csum_combine, - }; -diff --git a/include/net/sctp/sm.h b/include/net/sctp/sm.h -index 487ef34..d457f98 100644 ---- a/include/net/sctp/sm.h -+++ b/include/net/sctp/sm.h -@@ -80,7 +80,7 @@ typedef void (sctp_timer_event_t) (unsigned long); - typedef struct { - sctp_state_fn_t *fn; - const char *name; --} sctp_sm_table_entry_t; -+} __do_const sctp_sm_table_entry_t; - - /* A naming convention of "sctp_sf_xxx" applies to all the state functions - * currently in use. -@@ -292,7 +292,7 @@ __u32 sctp_generate_tag(const struct sctp_endpoint *); - __u32 sctp_generate_tsn(const struct sctp_endpoint *); - - /* Extern declarations for major data structures. */ --extern sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES]; -+extern sctp_timer_event_t * const sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES]; - - - /* Get the size of a DATA chunk payload. */ -diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h -index 495c87e..5b327ff 100644 ---- a/include/net/sctp/structs.h -+++ b/include/net/sctp/structs.h -@@ -513,7 +513,7 @@ struct sctp_pf { - void (*to_sk_saddr)(union sctp_addr *, struct sock *sk); - void (*to_sk_daddr)(union sctp_addr *, struct sock *sk); - struct sctp_af *af; --}; -+} __do_const; - - - /* Structure to track chunk fragments that have been acked, but peer -diff --git a/include/net/sock.h b/include/net/sock.h -index 3a4898e..67456ac 100644 ---- a/include/net/sock.h -+++ b/include/net/sock.h -@@ -363,7 +363,7 @@ struct sock { - unsigned int sk_napi_id; - unsigned int sk_ll_usec; - #endif -- atomic_t sk_drops; -+ atomic_unchecked_t sk_drops; - int sk_rcvbuf; - - struct sk_filter __rcu *sk_filter; -@@ -1039,7 +1039,7 @@ struct proto { - void (*destroy_cgroup)(struct mem_cgroup *memcg); - struct cg_proto *(*proto_cgroup)(struct mem_cgroup *memcg); - #endif --}; -+} __randomize_layout; - - /* - * Bits in struct cg_proto.flags -@@ -1212,7 +1212,7 @@ static inline void memcg_memory_allocated_sub(struct cg_proto *prot, - page_counter_uncharge(&prot->memory_allocated, amt); - } - --static inline long -+static inline long __intentional_overflow(-1) - sk_memory_allocated(const struct sock *sk) - { - struct proto *prot = sk->sk_prot; -@@ -1777,7 +1777,7 @@ static inline void sk_nocaps_add(struct sock *sk, netdev_features_t flags) - } - - static inline int skb_do_copy_data_nocache(struct sock *sk, struct sk_buff *skb, -- struct iov_iter *from, char *to, -+ struct iov_iter *from, unsigned char *to, - int copy, int offset) - { - if (skb->ip_summed == CHECKSUM_NONE) { -@@ -2024,7 +2024,7 @@ static inline void sk_stream_moderate_sndbuf(struct sock *sk) - } - } - --struct sk_buff *sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp); -+struct sk_buff * __intentional_overflow(0) sk_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp); - - /** - * sk_page_frag - return an appropriate page_frag -@@ -2099,7 +2099,7 @@ struct sock_skb_cb { - static inline void - sock_skb_set_dropcount(const struct sock *sk, struct sk_buff *skb) - { -- SOCK_SKB_CB(skb)->dropcount = atomic_read(&sk->sk_drops); -+ SOCK_SKB_CB(skb)->dropcount = atomic_read_unchecked(&sk->sk_drops); - } - - void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk, -diff --git a/include/net/tcp.h b/include/net/tcp.h -index 6d204f3..d5a8ff0 100644 ---- a/include/net/tcp.h -+++ b/include/net/tcp.h -@@ -523,7 +523,7 @@ void tcp_retransmit_timer(struct sock *sk); - void tcp_xmit_retransmit_queue(struct sock *); - void tcp_simple_retransmit(struct sock *); - int tcp_trim_head(struct sock *, struct sk_buff *, u32); --int tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int, gfp_t); -+int __intentional_overflow(3) tcp_fragment(struct sock *, struct sk_buff *, u32, unsigned int, gfp_t); - - void tcp_send_probe0(struct sock *); - void tcp_send_partial(struct sock *); -@@ -699,8 +699,8 @@ static inline u32 tcp_skb_timestamp(const struct sk_buff *skb) - * If this grows please adjust skbuff.h:skbuff->cb[xxx] size appropriately. - */ - struct tcp_skb_cb { -- __u32 seq; /* Starting sequence number */ -- __u32 end_seq; /* SEQ + FIN + SYN + datalen */ -+ __u32 seq __intentional_overflow(0); /* Starting sequence number */ -+ __u32 end_seq __intentional_overflow(0); /* SEQ + FIN + SYN + datalen */ - union { - /* Note : tcp_tw_isn is used in input path only - * (isn chosen by tcp_timewait_state_process()) -@@ -725,7 +725,7 @@ struct tcp_skb_cb { - - __u8 ip_dsfield; /* IPv4 tos or IPv6 dsfield */ - /* 1 byte hole */ -- __u32 ack_seq; /* Sequence number ACK'd */ -+ __u32 ack_seq __intentional_overflow(0); /* Sequence number ACK'd */ - union { - struct inet_skb_parm h4; - #if IS_ENABLED(CONFIG_IPV6) -diff --git a/include/net/xfrm.h b/include/net/xfrm.h -index 36ac102..6e8b34b 100644 ---- a/include/net/xfrm.h -+++ b/include/net/xfrm.h -@@ -283,7 +283,6 @@ struct xfrm_dst; - struct xfrm_policy_afinfo { - unsigned short family; - struct dst_ops *dst_ops; -- void (*garbage_collect)(struct net *net); - struct dst_entry *(*dst_lookup)(struct net *net, int tos, - const xfrm_address_t *saddr, - const xfrm_address_t *daddr); -@@ -301,7 +300,7 @@ struct xfrm_policy_afinfo { - struct net_device *dev, - const struct flowi *fl); - struct dst_entry *(*blackhole_route)(struct net *net, struct dst_entry *orig); --}; -+} __do_const; - - int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo); - int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo); -@@ -340,7 +339,7 @@ struct xfrm_state_afinfo { - int (*transport_finish)(struct sk_buff *skb, - int async); - void (*local_error)(struct sk_buff *skb, u32 mtu); --}; -+} __do_const; - - int xfrm_state_register_afinfo(struct xfrm_state_afinfo *afinfo); - int xfrm_state_unregister_afinfo(struct xfrm_state_afinfo *afinfo); -@@ -435,7 +434,7 @@ struct xfrm_mode { - struct module *owner; - unsigned int encap; - int flags; --}; -+} __do_const; - - /* Flags for xfrm_mode. */ - enum { -@@ -530,7 +529,7 @@ struct xfrm_policy { - struct timer_list timer; - - struct flow_cache_object flo; -- atomic_t genid; -+ atomic_unchecked_t genid; - u32 priority; - u32 index; - struct xfrm_mark mark; -@@ -1163,6 +1162,7 @@ static inline void xfrm_sk_free_policy(struct sock *sk) - } - - void xfrm_garbage_collect(struct net *net); -+void xfrm_garbage_collect_deferred(struct net *net); - - #else - -@@ -1201,6 +1201,9 @@ static inline int xfrm6_policy_check_reverse(struct sock *sk, int dir, - static inline void xfrm_garbage_collect(struct net *net) - { - } -+static inline void xfrm_garbage_collect_deferred(struct net *net) -+{ -+} - #endif - - static __inline__ -diff --git a/include/rdma/iw_cm.h b/include/rdma/iw_cm.h -index 1017e0b..227aa4d 100644 ---- a/include/rdma/iw_cm.h -+++ b/include/rdma/iw_cm.h -@@ -122,7 +122,7 @@ struct iw_cm_verbs { - int backlog); - - int (*destroy_listen)(struct iw_cm_id *cm_id); --}; -+} __no_const; - - /** - * iw_create_cm_id - Create an IW CM identifier. -diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h -index 93d14da..734b3d8 100644 ---- a/include/scsi/libfc.h -+++ b/include/scsi/libfc.h -@@ -771,6 +771,7 @@ struct libfc_function_template { - */ - void (*disc_stop_final) (struct fc_lport *); - }; -+typedef struct libfc_function_template __no_const libfc_function_template_no_const; - - /** - * struct fc_disc - Discovery context -@@ -875,7 +876,7 @@ struct fc_lport { - struct fc_vport *vport; - - /* Operational Information */ -- struct libfc_function_template tt; -+ libfc_function_template_no_const tt; - u8 link_up; - u8 qfull; - enum fc_lport_state state; -diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h -index a4c9336..d6f8f34 100644 ---- a/include/scsi/scsi_device.h -+++ b/include/scsi/scsi_device.h -@@ -185,9 +185,9 @@ struct scsi_device { - unsigned int max_device_blocked; /* what device_blocked counts down from */ - #define SCSI_DEFAULT_DEVICE_BLOCKED 3 - -- atomic_t iorequest_cnt; -- atomic_t iodone_cnt; -- atomic_t ioerr_cnt; -+ atomic_unchecked_t iorequest_cnt; -+ atomic_unchecked_t iodone_cnt; -+ atomic_unchecked_t ioerr_cnt; - - struct device sdev_gendev, - sdev_dev; -diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h -index 891a658..fcd68df 100644 ---- a/include/scsi/scsi_driver.h -+++ b/include/scsi/scsi_driver.h -@@ -14,7 +14,7 @@ struct scsi_driver { - void (*rescan)(struct device *); - int (*init_command)(struct scsi_cmnd *); - void (*uninit_command)(struct scsi_cmnd *); -- int (*done)(struct scsi_cmnd *); -+ unsigned int (*done)(struct scsi_cmnd *); - int (*eh_action)(struct scsi_cmnd *, int); - }; - #define to_scsi_driver(drv) \ -diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h -index 784bc2c..855a04c 100644 ---- a/include/scsi/scsi_transport_fc.h -+++ b/include/scsi/scsi_transport_fc.h -@@ -757,7 +757,8 @@ struct fc_function_template { - unsigned long show_host_system_hostname:1; - - unsigned long disable_target_scan:1; --}; -+} __do_const; -+typedef struct fc_function_template __no_const fc_function_template_no_const; - - - /** -diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h -index fa1d055..3647940 100644 ---- a/include/sound/compress_driver.h -+++ b/include/sound/compress_driver.h -@@ -130,7 +130,7 @@ struct snd_compr_ops { - struct snd_compr_caps *caps); - int (*get_codec_caps) (struct snd_compr_stream *stream, - struct snd_compr_codec_caps *codec); --}; -+} __no_const; - - /** - * struct snd_compr: Compressed device -diff --git a/include/sound/soc.h b/include/sound/soc.h -index f6226914..e919a2e 100644 ---- a/include/sound/soc.h -+++ b/include/sound/soc.h -@@ -870,7 +870,7 @@ struct snd_soc_codec_driver { - enum snd_soc_dapm_type, int); - - bool ignore_pmdown_time; /* Doesn't benefit from pmdown delay */ --}; -+} __do_const; - - /* SoC platform interface */ - struct snd_soc_platform_driver { -@@ -897,7 +897,7 @@ struct snd_soc_platform_driver { - const struct snd_compr_ops *compr_ops; - - int (*bespoke_trigger)(struct snd_pcm_substream *, int); --}; -+} __do_const; - - struct snd_soc_dai_link_component { - const char *name; -diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h -index 480e9f8..2d59c93 100644 ---- a/include/target/target_core_base.h -+++ b/include/target/target_core_base.h -@@ -767,7 +767,7 @@ struct se_device { - atomic_long_t write_bytes; - /* Active commands on this virtual SE device */ - atomic_t simple_cmds; -- atomic_t dev_ordered_id; -+ atomic_unchecked_t dev_ordered_id; - atomic_t dev_ordered_sync; - atomic_t dev_qf_count; - int export_count; -diff --git a/include/trace/events/fs.h b/include/trace/events/fs.h -new file mode 100644 -index 0000000..fb634b7 ---- /dev/null -+++ b/include/trace/events/fs.h -@@ -0,0 +1,53 @@ -+#undef TRACE_SYSTEM -+#define TRACE_SYSTEM fs -+ -+#if !defined(_TRACE_FS_H) || defined(TRACE_HEADER_MULTI_READ) -+#define _TRACE_FS_H -+ -+#include <linux/fs.h> -+#include <linux/tracepoint.h> -+ -+TRACE_EVENT(do_sys_open, -+ -+ TP_PROTO(const char *filename, int flags, int mode), -+ -+ TP_ARGS(filename, flags, mode), -+ -+ TP_STRUCT__entry( -+ __string( filename, filename ) -+ __field( int, flags ) -+ __field( int, mode ) -+ ), -+ -+ TP_fast_assign( -+ __assign_str(filename, filename); -+ __entry->flags = flags; -+ __entry->mode = mode; -+ ), -+ -+ TP_printk(""%s" %x %o", -+ __get_str(filename), __entry->flags, __entry->mode) -+); -+ -+TRACE_EVENT(open_exec, -+ -+ TP_PROTO(const char *filename), -+ -+ TP_ARGS(filename), -+ -+ TP_STRUCT__entry( -+ __string( filename, filename ) -+ ), -+ -+ TP_fast_assign( -+ __assign_str(filename, filename); -+ ), -+ -+ TP_printk(""%s"", -+ __get_str(filename)) -+); -+ -+#endif /* _TRACE_FS_H */ -+ -+/* This part must be outside protection */ -+#include <trace/define_trace.h> -diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h -index ff8f6c0..6b6bae3 100644 ---- a/include/trace/events/irq.h -+++ b/include/trace/events/irq.h -@@ -51,7 +51,7 @@ SOFTIRQ_NAME_LIST - */ - TRACE_EVENT(irq_handler_entry, - -- TP_PROTO(int irq, struct irqaction *action), -+ TP_PROTO(int irq, const struct irqaction *action), - - TP_ARGS(irq, action), - -@@ -81,7 +81,7 @@ TRACE_EVENT(irq_handler_entry, - */ - TRACE_EVENT(irq_handler_exit, - -- TP_PROTO(int irq, struct irqaction *action, int ret), -+ TP_PROTO(int irq, const struct irqaction *action, int ret), - - TP_ARGS(irq, action, ret), - -diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h -index a7e41fb..c115957 100644 ---- a/include/uapi/drm/i915_drm.h -+++ b/include/uapi/drm/i915_drm.h -@@ -350,6 +350,7 @@ typedef struct drm_i915_irq_wait { - #define I915_PARAM_REVISION 32 - #define I915_PARAM_SUBSLICE_TOTAL 33 - #define I915_PARAM_EU_TOTAL 34 -+#define I915_PARAM_HAS_LEGACY_CONTEXT 35 - - typedef struct drm_i915_getparam { - int param; -diff --git a/include/uapi/linux/a.out.h b/include/uapi/linux/a.out.h -index 7caf44c..23c6f27 100644 ---- a/include/uapi/linux/a.out.h -+++ b/include/uapi/linux/a.out.h -@@ -39,6 +39,14 @@ enum machine_type { - M_MIPS2 = 152 /* MIPS R6000/R4000 binary */ - }; - -+/* Constants for the N_FLAGS field */ -+#define F_PAX_PAGEEXEC 1 /* Paging based non-executable pages */ -+#define F_PAX_EMUTRAMP 2 /* Emulate trampolines */ -+#define F_PAX_MPROTECT 4 /* Restrict mprotect() */ -+#define F_PAX_RANDMMAP 8 /* Randomize mmap() base */ -+/*#define F_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */ -+#define F_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */ -+ - #if !defined (N_MAGIC) - #define N_MAGIC(exec) ((exec).a_info & 0xffff) - #endif -diff --git a/include/uapi/linux/bcache.h b/include/uapi/linux/bcache.h -index 22b6ad3..aeba37e 100644 ---- a/include/uapi/linux/bcache.h -+++ b/include/uapi/linux/bcache.h -@@ -5,6 +5,7 @@ - * Bcache on disk data structures - */ - -+#include <linux/compiler.h> - #include <asm/types.h> - - #define BITMASK(name, type, field, offset, size) \ -@@ -20,8 +21,8 @@ static inline void SET_##name(type *k, __u64 v) \ - /* Btree keys - all units are in sectors */ - - struct bkey { -- __u64 high; -- __u64 low; -+ __u64 high __intentional_overflow(-1); -+ __u64 low __intentional_overflow(-1); - __u64 ptr[]; - }; - -diff --git a/include/uapi/linux/byteorder/little_endian.h b/include/uapi/linux/byteorder/little_endian.h -index d876736..ccce5c0 100644 ---- a/include/uapi/linux/byteorder/little_endian.h -+++ b/include/uapi/linux/byteorder/little_endian.h -@@ -42,51 +42,51 @@ - - static inline __le64 __cpu_to_le64p(const __u64 *p) - { -- return (__force __le64)*p; -+ return (__force const __le64)*p; - } --static inline __u64 __le64_to_cpup(const __le64 *p) -+static inline __u64 __intentional_overflow(-1) __le64_to_cpup(const __le64 *p) - { -- return (__force __u64)*p; -+ return (__force const __u64)*p; - } - static inline __le32 __cpu_to_le32p(const __u32 *p) - { -- return (__force __le32)*p; -+ return (__force const __le32)*p; - } - static inline __u32 __le32_to_cpup(const __le32 *p) - { -- return (__force __u32)*p; -+ return (__force const __u32)*p; - } - static inline __le16 __cpu_to_le16p(const __u16 *p) - { -- return (__force __le16)*p; -+ return (__force const __le16)*p; - } - static inline __u16 __le16_to_cpup(const __le16 *p) - { -- return (__force __u16)*p; -+ return (__force const __u16)*p; - } - static inline __be64 __cpu_to_be64p(const __u64 *p) - { -- return (__force __be64)__swab64p(p); -+ return (__force const __be64)__swab64p(p); - } - static inline __u64 __be64_to_cpup(const __be64 *p) - { -- return __swab64p((__u64 *)p); -+ return __swab64p((const __u64 *)p); - } - static inline __be32 __cpu_to_be32p(const __u32 *p) - { -- return (__force __be32)__swab32p(p); -+ return (__force const __be32)__swab32p(p); - } --static inline __u32 __be32_to_cpup(const __be32 *p) -+static inline __u32 __intentional_overflow(-1) __be32_to_cpup(const __be32 *p) - { -- return __swab32p((__u32 *)p); -+ return __swab32p((const __u32 *)p); - } - static inline __be16 __cpu_to_be16p(const __u16 *p) - { -- return (__force __be16)__swab16p(p); -+ return (__force const __be16)__swab16p(p); - } - static inline __u16 __be16_to_cpup(const __be16 *p) - { -- return __swab16p((__u16 *)p); -+ return __swab16p((const __u16 *)p); - } - #define __cpu_to_le64s(x) do { (void)(x); } while (0) - #define __le64_to_cpus(x) do { (void)(x); } while (0) -diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h -index 71e1d0e..6cc9caf 100644 ---- a/include/uapi/linux/elf.h -+++ b/include/uapi/linux/elf.h -@@ -37,6 +37,17 @@ typedef __s64 Elf64_Sxword; - #define PT_GNU_EH_FRAME 0x6474e550 - - #define PT_GNU_STACK (PT_LOOS + 0x474e551) -+#define PT_GNU_RELRO (PT_LOOS + 0x474e552) -+ -+#define PT_PAX_FLAGS (PT_LOOS + 0x5041580) -+ -+/* Constants for the e_flags field */ -+#define EF_PAX_PAGEEXEC 1 /* Paging based non-executable pages */ -+#define EF_PAX_EMUTRAMP 2 /* Emulate trampolines */ -+#define EF_PAX_MPROTECT 4 /* Restrict mprotect() */ -+#define EF_PAX_RANDMMAP 8 /* Randomize mmap() base */ -+/*#define EF_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */ -+#define EF_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */ - - /* - * Extended Numbering -@@ -94,6 +105,8 @@ typedef __s64 Elf64_Sxword; - #define DT_DEBUG 21 - #define DT_TEXTREL 22 - #define DT_JMPREL 23 -+#define DT_FLAGS 30 -+ #define DF_TEXTREL 0x00000004 - #define DT_ENCODING 32 - #define OLD_DT_LOOS 0x60000000 - #define DT_LOOS 0x6000000d -@@ -240,6 +253,19 @@ typedef struct elf64_hdr { - #define PF_W 0x2 - #define PF_X 0x1 - -+#define PF_PAGEEXEC (1U << 4) /* Enable PAGEEXEC */ -+#define PF_NOPAGEEXEC (1U << 5) /* Disable PAGEEXEC */ -+#define PF_SEGMEXEC (1U << 6) /* Enable SEGMEXEC */ -+#define PF_NOSEGMEXEC (1U << 7) /* Disable SEGMEXEC */ -+#define PF_MPROTECT (1U << 8) /* Enable MPROTECT */ -+#define PF_NOMPROTECT (1U << 9) /* Disable MPROTECT */ -+/*#define PF_RANDEXEC (1U << 10)*/ /* Enable RANDEXEC */ -+/*#define PF_NORANDEXEC (1U << 11)*/ /* Disable RANDEXEC */ -+#define PF_EMUTRAMP (1U << 12) /* Enable EMUTRAMP */ -+#define PF_NOEMUTRAMP (1U << 13) /* Disable EMUTRAMP */ -+#define PF_RANDMMAP (1U << 14) /* Enable RANDMMAP */ -+#define PF_NORANDMMAP (1U << 15) /* Disable RANDMMAP */ -+ - typedef struct elf32_phdr{ - Elf32_Word p_type; - Elf32_Off p_offset; -@@ -332,6 +358,8 @@ typedef struct elf64_shdr { - #define EI_OSABI 7 - #define EI_PAD 8 - -+#define EI_PAX 14 -+ - #define ELFMAG0 0x7f /* EI_MAG */ - #define ELFMAG1 'E' - #define ELFMAG2 'L' -diff --git a/include/uapi/linux/personality.h b/include/uapi/linux/personality.h -index aa169c4..6a2771d 100644 ---- a/include/uapi/linux/personality.h -+++ b/include/uapi/linux/personality.h -@@ -30,6 +30,7 @@ enum { - #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC | \ - ADDR_NO_RANDOMIZE | \ - ADDR_COMPAT_LAYOUT | \ -+ ADDR_LIMIT_3GB | \ - MMAP_PAGE_ZERO) - - /* -diff --git a/include/uapi/linux/screen_info.h b/include/uapi/linux/screen_info.h -index 7530e74..e714828 100644 ---- a/include/uapi/linux/screen_info.h -+++ b/include/uapi/linux/screen_info.h -@@ -43,7 +43,8 @@ struct screen_info { - __u16 pages; /* 0x32 */ - __u16 vesa_attributes; /* 0x34 */ - __u32 capabilities; /* 0x36 */ -- __u8 _reserved[6]; /* 0x3a */ -+ __u16 vesapm_size; /* 0x3a */ -+ __u8 _reserved[4]; /* 0x3c */ - } __attribute__((packed)); - - #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */ -diff --git a/include/uapi/linux/swab.h b/include/uapi/linux/swab.h -index 0e011eb..82681b1 100644 ---- a/include/uapi/linux/swab.h -+++ b/include/uapi/linux/swab.h -@@ -43,7 +43,7 @@ - * ___swab16, ___swab32, ___swab64, ___swahw32, ___swahb32 - */ - --static inline __attribute_const__ __u16 __fswab16(__u16 val) -+static inline __intentional_overflow(-1) __attribute_const__ __u16 __fswab16(__u16 val) - { - #ifdef __HAVE_BUILTIN_BSWAP16__ - return __builtin_bswap16(val); -@@ -54,7 +54,7 @@ static inline __attribute_const__ __u16 __fswab16(__u16 val) - #endif - } - --static inline __attribute_const__ __u32 __fswab32(__u32 val) -+static inline __intentional_overflow(-1) __attribute_const__ __u32 __fswab32(__u32 val) - { - #ifdef __HAVE_BUILTIN_BSWAP32__ - return __builtin_bswap32(val); -@@ -65,7 +65,7 @@ static inline __attribute_const__ __u32 __fswab32(__u32 val) - #endif - } - --static inline __attribute_const__ __u64 __fswab64(__u64 val) -+static inline __intentional_overflow(-1) __attribute_const__ __u64 __fswab64(__u64 val) - { - #ifdef __HAVE_BUILTIN_BSWAP64__ - return __builtin_bswap64(val); -diff --git a/include/uapi/linux/xattr.h b/include/uapi/linux/xattr.h -index 1590c49..5eab462 100644 ---- a/include/uapi/linux/xattr.h -+++ b/include/uapi/linux/xattr.h -@@ -73,5 +73,9 @@ - #define XATTR_POSIX_ACL_DEFAULT "posix_acl_default" - #define XATTR_NAME_POSIX_ACL_DEFAULT XATTR_SYSTEM_PREFIX XATTR_POSIX_ACL_DEFAULT - -+/* User namespace */ -+#define XATTR_PAX_PREFIX XATTR_USER_PREFIX "pax." -+#define XATTR_PAX_FLAGS_SUFFIX "flags" -+#define XATTR_NAME_PAX_FLAGS XATTR_PAX_PREFIX XATTR_PAX_FLAGS_SUFFIX - - #endif /* _UAPI_LINUX_XATTR_H */ -diff --git a/include/video/udlfb.h b/include/video/udlfb.h -index f9466fa..f4e2b81 100644 ---- a/include/video/udlfb.h -+++ b/include/video/udlfb.h -@@ -53,10 +53,10 @@ struct dlfb_data { - u32 pseudo_palette[256]; - int blank_mode; /*one of FB_BLANK_ */ - /* blit-only rendering path metrics, exposed through sysfs */ -- atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */ -- atomic_t bytes_identical; /* saved effort with backbuffer comparison */ -- atomic_t bytes_sent; /* to usb, after compression including overhead */ -- atomic_t cpu_kcycles_used; /* transpired during pixel processing */ -+ atomic_unchecked_t bytes_rendered; /* raw pixel-bytes driver asked to render */ -+ atomic_unchecked_t bytes_identical; /* saved effort with backbuffer comparison */ -+ atomic_unchecked_t bytes_sent; /* to usb, after compression including overhead */ -+ atomic_unchecked_t cpu_kcycles_used; /* transpired during pixel processing */ - }; - - #define NR_USB_REQUEST_I2C_SUB_IO 0x02 -diff --git a/include/video/uvesafb.h b/include/video/uvesafb.h -index 30f5362..8ed8ac9 100644 ---- a/include/video/uvesafb.h -+++ b/include/video/uvesafb.h -@@ -122,6 +122,7 @@ struct uvesafb_par { - u8 ypan; /* 0 - nothing, 1 - ypan, 2 - ywrap */ - u8 pmi_setpal; /* PMI for palette changes */ - u16 *pmi_base; /* protected mode interface location */ -+ u8 *pmi_code; /* protected mode code location */ - void *pmi_start; - void *pmi_pal; - u8 *vbe_state_orig; /* -diff --git a/init/Kconfig b/init/Kconfig -index dc24dec..b77638f 100644 ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -1145,6 +1145,7 @@ endif # CGROUPS - - config CHECKPOINT_RESTORE - bool "Checkpoint/restore support" if EXPERT -+ depends on !GRKERNSEC - default n - help - Enables additional kernel features in a sake of checkpoint/restore. -@@ -1670,7 +1671,7 @@ config SLUB_DEBUG - - config COMPAT_BRK - bool "Disable heap randomization" -- default y -+ default n - help - Randomizing heap placement makes heap exploits harder, but it - also breaks ancient binaries (including anything libc5 based). -@@ -2001,7 +2002,7 @@ config INIT_ALL_POSSIBLE - config STOP_MACHINE - bool - default y -- depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU -+ depends on (SMP && MODULE_UNLOAD) || HOTPLUG_CPU || GRKERNSEC - help - Need stop_machine() primitive. - -diff --git a/init/Makefile b/init/Makefile -index 7bc47ee..6da2dc7 100644 ---- a/init/Makefile -+++ b/init/Makefile -@@ -2,6 +2,9 @@ - # Makefile for the linux kernel. - # - -+ccflags-y := $(GCC_PLUGINS_CFLAGS) -+asflags-y := $(GCC_PLUGINS_AFLAGS) -+ - obj-y := main.o version.o mounts.o - ifneq ($(CONFIG_BLK_DEV_INITRD),y) - obj-y += noinitramfs.o -diff --git a/init/do_mounts.c b/init/do_mounts.c -index a95bbdb..82c48fd 100644 ---- a/init/do_mounts.c -+++ b/init/do_mounts.c -@@ -363,11 +363,11 @@ static void __init get_fs_names(char *page) - static int __init do_mount_root(char *name, char *fs, int flags, void *data) - { - struct super_block *s; -- int err = sys_mount(name, "/root", fs, flags, data); -+ int err = sys_mount((char __force_user *)name, (char __force_user *)"/root", (char __force_user *)fs, flags, (void __force_user *)data); - if (err) - return err; - -- sys_chdir("/root"); -+ sys_chdir((const char __force_user *)"/root"); - s = current->fs->pwd.dentry->d_sb; - ROOT_DEV = s->s_dev; - printk(KERN_INFO -@@ -490,18 +490,18 @@ void __init change_floppy(char *fmt, ...) - va_start(args, fmt); - vsprintf(buf, fmt, args); - va_end(args); -- fd = sys_open("/dev/root", O_RDWR | O_NDELAY, 0); -+ fd = sys_open((char __user *)"/dev/root", O_RDWR | O_NDELAY, 0); - if (fd >= 0) { - sys_ioctl(fd, FDEJECT, 0); - sys_close(fd); - } - printk(KERN_NOTICE "VFS: Insert %s and press ENTER\n", buf); -- fd = sys_open("/dev/console", O_RDWR, 0); -+ fd = sys_open((__force const char __user *)"/dev/console", O_RDWR, 0); - if (fd >= 0) { - sys_ioctl(fd, TCGETS, (long)&termios); - termios.c_lflag &= ~ICANON; - sys_ioctl(fd, TCSETSF, (long)&termios); -- sys_read(fd, &c, 1); -+ sys_read(fd, (char __user *)&c, 1); - termios.c_lflag |= ICANON; - sys_ioctl(fd, TCSETSF, (long)&termios); - sys_close(fd); -@@ -595,8 +595,8 @@ void __init prepare_namespace(void) - mount_root(); - out: - devtmpfs_mount("dev"); -- sys_mount(".", "/", NULL, MS_MOVE, NULL); -- sys_chroot("."); -+ sys_mount((char __force_user *)".", (char __force_user *)"/", NULL, MS_MOVE, NULL); -+ sys_chroot((const char __force_user *)"."); - } - - static bool is_tmpfs; -diff --git a/init/do_mounts.h b/init/do_mounts.h -index f5b978a..69dbfe8 100644 ---- a/init/do_mounts.h -+++ b/init/do_mounts.h -@@ -15,15 +15,15 @@ extern int root_mountflags; - - static inline int create_dev(char *name, dev_t dev) - { -- sys_unlink(name); -- return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev)); -+ sys_unlink((char __force_user *)name); -+ return sys_mknod((char __force_user *)name, S_IFBLK|0600, new_encode_dev(dev)); - } - - #if BITS_PER_LONG == 32 - static inline u32 bstat(char *name) - { - struct stat64 stat; -- if (sys_stat64(name, &stat) != 0) -+ if (sys_stat64((char __force_user *)name, (struct stat64 __force_user *)&stat) != 0) - return 0; - if (!S_ISBLK(stat.st_mode)) - return 0; -@@ -35,7 +35,7 @@ static inline u32 bstat(char *name) - static inline u32 bstat(char *name) - { - struct stat stat; -- if (sys_newstat(name, &stat) != 0) -+ if (sys_newstat((const char __force_user *)name, (struct stat __force_user *)&stat) != 0) - return 0; - if (!S_ISBLK(stat.st_mode)) - return 0; -diff --git a/init/do_mounts_initrd.c b/init/do_mounts_initrd.c -index 3e0878e..8a9d7a0 100644 ---- a/init/do_mounts_initrd.c -+++ b/init/do_mounts_initrd.c -@@ -37,13 +37,13 @@ static int init_linuxrc(struct subprocess_info *info, struct cred *new) - { - sys_unshare(CLONE_FS | CLONE_FILES); - /* stdin/stdout/stderr for /linuxrc */ -- sys_open("/dev/console", O_RDWR, 0); -+ sys_open((const char __force_user *)"/dev/console", O_RDWR, 0); - sys_dup(0); - sys_dup(0); - /* move initrd over / and chdir/chroot in initrd root */ -- sys_chdir("/root"); -- sys_mount(".", "/", NULL, MS_MOVE, NULL); -- sys_chroot("."); -+ sys_chdir((const char __force_user *)"/root"); -+ sys_mount((char __force_user *)".", (char __force_user *)"/", NULL, MS_MOVE, NULL); -+ sys_chroot((const char __force_user *)"."); - sys_setsid(); - return 0; - } -@@ -59,8 +59,8 @@ static void __init handle_initrd(void) - create_dev("/dev/root.old", Root_RAM0); - /* mount initrd on rootfs' /root */ - mount_block_root("/dev/root.old", root_mountflags & ~MS_RDONLY); -- sys_mkdir("/old", 0700); -- sys_chdir("/old"); -+ sys_mkdir((const char __force_user *)"/old", 0700); -+ sys_chdir((const char __force_user *)"/old"); - - /* try loading default modules from initrd */ - load_default_modules(); -@@ -80,31 +80,31 @@ static void __init handle_initrd(void) - current->flags &= ~PF_FREEZER_SKIP; - - /* move initrd to rootfs' /old */ -- sys_mount("..", ".", NULL, MS_MOVE, NULL); -+ sys_mount((char __force_user *)"..", (char __force_user *)".", NULL, MS_MOVE, NULL); - /* switch root and cwd back to / of rootfs */ -- sys_chroot(".."); -+ sys_chroot((const char __force_user *)".."); - - if (new_decode_dev(real_root_dev) == Root_RAM0) { -- sys_chdir("/old"); -+ sys_chdir((const char __force_user *)"/old"); - return; - } - -- sys_chdir("/"); -+ sys_chdir((const char __force_user *)"/"); - ROOT_DEV = new_decode_dev(real_root_dev); - mount_root(); - - printk(KERN_NOTICE "Trying to move old root to /initrd ... "); -- error = sys_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL); -+ error = sys_mount((char __force_user *)"/old", (char __force_user *)"/root/initrd", NULL, MS_MOVE, NULL); - if (!error) - printk("okay\n"); - else { -- int fd = sys_open("/dev/root.old", O_RDWR, 0); -+ int fd = sys_open((const char __force_user *)"/dev/root.old", O_RDWR, 0); - if (error == -ENOENT) - printk("/initrd does not exist. Ignored.\n"); - else - printk("failed\n"); - printk(KERN_NOTICE "Unmounting old root\n"); -- sys_umount("/old", MNT_DETACH); -+ sys_umount((char __force_user *)"/old", MNT_DETACH); - printk(KERN_NOTICE "Trying to free ramdisk memory ... "); - if (fd < 0) { - error = fd; -@@ -127,11 +127,11 @@ int __init initrd_load(void) - * mounted in the normal path. - */ - if (rd_load_image("/initrd.image") && ROOT_DEV != Root_RAM0) { -- sys_unlink("/initrd.image"); -+ sys_unlink((const char __force_user *)"/initrd.image"); - handle_initrd(); - return 1; - } - } -- sys_unlink("/initrd.image"); -+ sys_unlink((const char __force_user *)"/initrd.image"); - return 0; - } -diff --git a/init/do_mounts_md.c b/init/do_mounts_md.c -index 8cb6db5..d729f50 100644 ---- a/init/do_mounts_md.c -+++ b/init/do_mounts_md.c -@@ -180,7 +180,7 @@ static void __init md_setup_drive(void) - partitioned ? "_d" : "", minor, - md_setup_args[ent].device_names); - -- fd = sys_open(name, 0, 0); -+ fd = sys_open((char __force_user *)name, 0, 0); - if (fd < 0) { - printk(KERN_ERR "md: open failed - cannot start " - "array %s\n", name); -@@ -243,7 +243,7 @@ static void __init md_setup_drive(void) - * array without it - */ - sys_close(fd); -- fd = sys_open(name, 0, 0); -+ fd = sys_open((char __force_user *)name, 0, 0); - sys_ioctl(fd, BLKRRPART, 0); - } - sys_close(fd); -@@ -293,7 +293,7 @@ static void __init autodetect_raid(void) - - wait_for_device_probe(); - -- fd = sys_open("/dev/md0", 0, 0); -+ fd = sys_open((const char __force_user *) "/dev/md0", 0, 0); - if (fd >= 0) { - sys_ioctl(fd, RAID_AUTORUN, raid_autopart); - sys_close(fd); -diff --git a/init/init_task.c b/init/init_task.c -index ba0a7f36..2bcf1d5 100644 ---- a/init/init_task.c -+++ b/init/init_task.c -@@ -22,5 +22,9 @@ EXPORT_SYMBOL(init_task); - * Initial thread structure. Alignment of this is handled by a special - * linker map entry. - */ -+#ifdef CONFIG_X86 -+union thread_union init_thread_union __init_task_data; -+#else - union thread_union init_thread_union __init_task_data = - { INIT_THREAD_INFO(init_task) }; -+#endif -diff --git a/init/initramfs.c b/init/initramfs.c -index ad1bd77..dca2c1b 100644 ---- a/init/initramfs.c -+++ b/init/initramfs.c -@@ -25,7 +25,7 @@ static ssize_t __init xwrite(int fd, const char *p, size_t count) - - /* sys_write only can write MAX_RW_COUNT aka 2G-4K bytes at most */ - while (count) { -- ssize_t rv = sys_write(fd, p, count); -+ ssize_t rv = sys_write(fd, (char __force_user *)p, count); - - if (rv < 0) { - if (rv == -EINTR || rv == -EAGAIN) -@@ -107,7 +107,7 @@ static void __init free_hash(void) - } - } - --static long __init do_utime(char *filename, time_t mtime) -+static long __init do_utime(char __force_user *filename, time_t mtime) - { - struct timespec t[2]; - -@@ -142,7 +142,7 @@ static void __init dir_utime(void) - struct dir_entry *de, *tmp; - list_for_each_entry_safe(de, tmp, &dir_list, list) { - list_del(&de->list); -- do_utime(de->name, de->mtime); -+ do_utime((char __force_user *)de->name, de->mtime); - kfree(de->name); - kfree(de); - } -@@ -304,7 +304,7 @@ static int __init maybe_link(void) - if (nlink >= 2) { - char *old = find_link(major, minor, ino, mode, collected); - if (old) -- return (sys_link(old, collected) < 0) ? -1 : 1; -+ return (sys_link((char __force_user *)old, (char __force_user *)collected) < 0) ? -1 : 1; - } - return 0; - } -@@ -313,11 +313,11 @@ static void __init clean_path(char *path, umode_t fmode) - { - struct stat st; - -- if (!sys_newlstat(path, &st) && (st.st_mode ^ fmode) & S_IFMT) { -+ if (!sys_newlstat((char __force_user *)path, (struct stat __force_user *)&st) && (st.st_mode ^ fmode) & S_IFMT) { - if (S_ISDIR(st.st_mode)) -- sys_rmdir(path); -+ sys_rmdir((char __force_user *)path); - else -- sys_unlink(path); -+ sys_unlink((char __force_user *)path); - } - } - -@@ -338,7 +338,7 @@ static int __init do_name(void) - int openflags = O_WRONLY|O_CREAT; - if (ml != 1) - openflags |= O_TRUNC; -- wfd = sys_open(collected, openflags, mode); -+ wfd = sys_open((char __force_user *)collected, openflags, mode); - - if (wfd >= 0) { - sys_fchown(wfd, uid, gid); -@@ -350,17 +350,17 @@ static int __init do_name(void) - } - } - } else if (S_ISDIR(mode)) { -- sys_mkdir(collected, mode); -- sys_chown(collected, uid, gid); -- sys_chmod(collected, mode); -+ sys_mkdir((char __force_user *)collected, mode); -+ sys_chown((char __force_user *)collected, uid, gid); -+ sys_chmod((char __force_user *)collected, mode); - dir_add(collected, mtime); - } else if (S_ISBLK(mode) || S_ISCHR(mode) || - S_ISFIFO(mode) || S_ISSOCK(mode)) { - if (maybe_link() == 0) { -- sys_mknod(collected, mode, rdev); -- sys_chown(collected, uid, gid); -- sys_chmod(collected, mode); -- do_utime(collected, mtime); -+ sys_mknod((char __force_user *)collected, mode, rdev); -+ sys_chown((char __force_user *)collected, uid, gid); -+ sys_chmod((char __force_user *)collected, mode); -+ do_utime((char __force_user *)collected, mtime); - } - } - return 0; -@@ -372,7 +372,7 @@ static int __init do_copy(void) - if (xwrite(wfd, victim, body_len) != body_len) - error("write error"); - sys_close(wfd); -- do_utime(vcollected, mtime); -+ do_utime((char __force_user *)vcollected, mtime); - kfree(vcollected); - eat(body_len); - state = SkipIt; -@@ -390,9 +390,9 @@ static int __init do_symlink(void) - { - collected[N_ALIGN(name_len) + body_len] = '\0'; - clean_path(collected, 0); -- sys_symlink(collected + N_ALIGN(name_len), collected); -- sys_lchown(collected, uid, gid); -- do_utime(collected, mtime); -+ sys_symlink((char __force_user *)collected + N_ALIGN(name_len), (char __force_user *)collected); -+ sys_lchown((char __force_user *)collected, uid, gid); -+ do_utime((char __force_user *)collected, mtime); - state = SkipIt; - next_state = Reset; - return 0; -diff --git a/init/main.c b/init/main.c -index 2a89545..58711ee 100644 ---- a/init/main.c -+++ b/init/main.c -@@ -97,6 +97,8 @@ extern void radix_tree_init(void); - static inline void mark_rodata_ro(void) { } - #endif - -+extern void grsecurity_init(void); -+ - /* - * Debug helper: via this flag we know that we are in 'early bootup code' - * where only the boot processor is running with IRQ disabled. This means -@@ -158,6 +160,37 @@ static int __init set_reset_devices(char *str) - - __setup("reset_devices", set_reset_devices); - -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+kgid_t grsec_proc_gid = KGIDT_INIT(CONFIG_GRKERNSEC_PROC_GID); -+static int __init setup_grsec_proc_gid(char *str) -+{ -+ grsec_proc_gid = KGIDT_INIT(simple_strtol(str, NULL, 0)); -+ return 1; -+} -+__setup("grsec_proc_gid=", setup_grsec_proc_gid); -+#endif -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+int grsec_enable_sysfs_restrict = 1; -+static int __init setup_grsec_sysfs_restrict(char *str) -+{ -+ if (!simple_strtol(str, NULL, 0)) -+ grsec_enable_sysfs_restrict = 0; -+ return 1; -+} -+__setup("grsec_sysfs_restrict", setup_grsec_sysfs_restrict); -+#endif -+ -+#ifdef CONFIG_PAX_SOFTMODE -+int pax_softmode; -+ -+static int __init setup_pax_softmode(char *str) -+{ -+ get_option(&str, &pax_softmode); -+ return 1; -+} -+__setup("pax_softmode=", setup_pax_softmode); -+#endif -+ - static const char *argv_init[MAX_INIT_ARGS+2] = { "init", NULL, }; - const char *envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, }; - static const char *panic_later, *panic_param; -@@ -726,7 +759,7 @@ static bool __init_or_module initcall_blacklisted(initcall_t fn) - struct blacklist_entry *entry; - char *fn_name; - -- fn_name = kasprintf(GFP_KERNEL, "%pf", fn); -+ fn_name = kasprintf(GFP_KERNEL, "%pX", fn); - if (!fn_name) - return false; - -@@ -778,7 +811,7 @@ int __init_or_module do_one_initcall(initcall_t fn) - { - int count = preempt_count(); - int ret; -- char msgbuf[64]; -+ const char *msg1 = "", *msg2 = ""; - - if (initcall_blacklisted(fn)) - return -EPERM; -@@ -788,18 +821,17 @@ int __init_or_module do_one_initcall(initcall_t fn) - else - ret = fn(); - -- msgbuf[0] = 0; -- - if (preempt_count() != count) { -- sprintf(msgbuf, "preemption imbalance "); -+ msg1 = " preemption imbalance"; - preempt_count_set(count); - } - if (irqs_disabled()) { -- strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf)); -+ msg2 = " disabled interrupts"; - local_irq_enable(); - } -- WARN(msgbuf[0], "initcall %pF returned with %s\n", fn, msgbuf); -+ WARN(*msg1 || *msg2, "initcall %pF returned with%s%s\n", fn, msg1, msg2); - -+ add_latent_entropy(); - return ret; - } - -@@ -905,8 +937,8 @@ static int run_init_process(const char *init_filename) - { - argv_init[0] = init_filename; - return do_execve(getname_kernel(init_filename), -- (const char __user *const __user *)argv_init, -- (const char __user *const __user *)envp_init); -+ (const char __user *const __force_user *)argv_init, -+ (const char __user *const __force_user *)envp_init); - } - - static int try_to_run_init_process(const char *init_filename) -@@ -923,6 +955,10 @@ static int try_to_run_init_process(const char *init_filename) - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD -+extern int gr_init_ran; -+#endif -+ - static noinline void __init kernel_init_freeable(void); - - static int __ref kernel_init(void *unused) -@@ -947,6 +983,11 @@ static int __ref kernel_init(void *unused) - ramdisk_execute_command, ret); - } - -+#ifdef CONFIG_GRKERNSEC_CHROOT_INITRD -+ /* if no initrd was used, be extra sure we enforce chroot restrictions */ -+ gr_init_ran = 1; -+#endif -+ - /* - * We try each of these until one succeeds. - * -@@ -1002,7 +1043,7 @@ static noinline void __init kernel_init_freeable(void) - do_basic_setup(); - - /* Open the /dev/console on the rootfs, this should never fail */ -- if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) -+ if (sys_open((const char __force_user *) "/dev/console", O_RDWR, 0) < 0) - pr_err("Warning: unable to open an initial console.\n"); - - (void) sys_dup(0); -@@ -1015,11 +1056,13 @@ static noinline void __init kernel_init_freeable(void) - if (!ramdisk_execute_command) - ramdisk_execute_command = "/init"; - -- if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) { -+ if (sys_access((const char __force_user *) ramdisk_execute_command, 0) != 0) { - ramdisk_execute_command = NULL; - prepare_namespace(); - } - -+ grsecurity_init(); -+ - /* - * Ok, we have completed the initial bootup, and - * we're essentially up and running. Get rid of the -diff --git a/ipc/compat.c b/ipc/compat.c -index 9b3c85f..5266b0f 100644 ---- a/ipc/compat.c -+++ b/ipc/compat.c -@@ -396,7 +396,7 @@ COMPAT_SYSCALL_DEFINE6(ipc, u32, call, int, first, int, second, - COMPAT_SHMLBA); - if (err < 0) - return err; -- return put_user(raddr, (compat_ulong_t *)compat_ptr(third)); -+ return put_user(raddr, (compat_ulong_t __user *)compat_ptr(third)); - } - case SHMDT: - return sys_shmdt(compat_ptr(ptr)); -@@ -747,7 +747,7 @@ COMPAT_SYSCALL_DEFINE3(shmctl, int, first, int, second, void __user *, uptr) - } - - COMPAT_SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsems, -- unsigned, nsops, -+ compat_long_t, nsops, - const struct compat_timespec __user *, timeout) - { - struct timespec __user *ts64; -diff --git a/ipc/ipc_sysctl.c b/ipc/ipc_sysctl.c -index 8ad93c2..efd80f8 100644 ---- a/ipc/ipc_sysctl.c -+++ b/ipc/ipc_sysctl.c -@@ -30,7 +30,7 @@ static void *get_ipc(struct ctl_table *table) - static int proc_ipc_dointvec(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table ipc_table; -+ ctl_table_no_const ipc_table; - - memcpy(&ipc_table, table, sizeof(ipc_table)); - ipc_table.data = get_ipc(table); -@@ -41,7 +41,7 @@ static int proc_ipc_dointvec(struct ctl_table *table, int write, - static int proc_ipc_dointvec_minmax(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table ipc_table; -+ ctl_table_no_const ipc_table; - - memcpy(&ipc_table, table, sizeof(ipc_table)); - ipc_table.data = get_ipc(table); -@@ -65,7 +65,7 @@ static int proc_ipc_dointvec_minmax_orphans(struct ctl_table *table, int write, - static int proc_ipc_doulongvec_minmax(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table ipc_table; -+ ctl_table_no_const ipc_table; - memcpy(&ipc_table, table, sizeof(ipc_table)); - ipc_table.data = get_ipc(table); - -@@ -76,7 +76,7 @@ static int proc_ipc_doulongvec_minmax(struct ctl_table *table, int write, - static int proc_ipc_auto_msgmni(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table ipc_table; -+ ctl_table_no_const ipc_table; - int dummy = 0; - - memcpy(&ipc_table, table, sizeof(ipc_table)); -diff --git a/ipc/mq_sysctl.c b/ipc/mq_sysctl.c -index 68d4e95..1477ded 100644 ---- a/ipc/mq_sysctl.c -+++ b/ipc/mq_sysctl.c -@@ -25,7 +25,7 @@ static void *get_mq(struct ctl_table *table) - static int proc_mq_dointvec(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table mq_table; -+ ctl_table_no_const mq_table; - memcpy(&mq_table, table, sizeof(mq_table)); - mq_table.data = get_mq(table); - -@@ -35,7 +35,7 @@ static int proc_mq_dointvec(struct ctl_table *table, int write, - static int proc_mq_dointvec_minmax(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table mq_table; -+ ctl_table_no_const mq_table; - memcpy(&mq_table, table, sizeof(mq_table)); - mq_table.data = get_mq(table); - -diff --git a/ipc/mqueue.c b/ipc/mqueue.c -index c3fc5c2..1f32fe2 100644 ---- a/ipc/mqueue.c -+++ b/ipc/mqueue.c -@@ -275,6 +275,7 @@ static struct inode *mqueue_get_inode(struct super_block *sb, - mq_bytes = mq_treesize + (info->attr.mq_maxmsg * - info->attr.mq_msgsize); - -+ gr_learn_resource(current, RLIMIT_MSGQUEUE, u->mq_bytes + mq_bytes, 1); - spin_lock(&mq_lock); - if (u->mq_bytes + mq_bytes < u->mq_bytes || - u->mq_bytes + mq_bytes > rlimit(RLIMIT_MSGQUEUE)) { -diff --git a/ipc/sem.c b/ipc/sem.c -index c50aa57..07e9531 100644 ---- a/ipc/sem.c -+++ b/ipc/sem.c -@@ -1790,7 +1790,7 @@ static int get_queue_result(struct sem_queue *q) - } - - SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops, -- unsigned, nsops, const struct timespec __user *, timeout) -+ long, nsops, const struct timespec __user *, timeout) - { - int error = -EINVAL; - struct sem_array *sma; -@@ -2025,7 +2025,7 @@ out_free: - } - - SYSCALL_DEFINE3(semop, int, semid, struct sembuf __user *, tsops, -- unsigned, nsops) -+ long, nsops) - { - return sys_semtimedop(semid, tsops, nsops, NULL); - } -diff --git a/ipc/shm.c b/ipc/shm.c -index 6d76707..b646bbe 100644 ---- a/ipc/shm.c -+++ b/ipc/shm.c -@@ -72,6 +72,14 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp); - static int sysvipc_shm_proc_show(struct seq_file *s, void *it); - #endif - -+#ifdef CONFIG_GRKERNSEC -+extern int gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const u64 shm_createtime, const kuid_t cuid, -+ const int shmid); -+extern int gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const u64 shm_createtime); -+#endif -+ - void shm_init_ns(struct ipc_namespace *ns) - { - ns->shm_ctlmax = SHMMAX; -@@ -560,6 +568,9 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params) - shp->shm_lprid = 0; - shp->shm_atim = shp->shm_dtim = 0; - shp->shm_ctim = get_seconds(); -+#ifdef CONFIG_GRKERNSEC -+ shp->shm_createtime = ktime_get_ns(); -+#endif - shp->shm_segsz = size; - shp->shm_nattch = 0; - shp->shm_file = file; -@@ -1096,6 +1107,12 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr, - f_mode = FMODE_READ | FMODE_WRITE; - } - if (shmflg & SHM_EXEC) { -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (current->mm->pax_flags & MF_PAX_MPROTECT) -+ goto out; -+#endif -+ - prot |= PROT_EXEC; - acc_mode |= S_IXUGO; - } -@@ -1120,6 +1137,15 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr, - if (err) - goto out_unlock; - -+#ifdef CONFIG_GRKERNSEC -+ if (!gr_handle_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime, -+ shp->shm_perm.cuid, shmid) || -+ !gr_chroot_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime)) { -+ err = -EACCES; -+ goto out_unlock; -+ } -+#endif -+ - ipc_lock_object(&shp->shm_perm); - - /* check if shm_destroy() is tearing down shp */ -@@ -1132,6 +1158,9 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr, - path = shp->shm_file->f_path; - path_get(&path); - shp->shm_nattch++; -+#ifdef CONFIG_GRKERNSEC -+ shp->shm_lapid = current->pid; -+#endif - size = i_size_read(d_inode(path.dentry)); - ipc_unlock_object(&shp->shm_perm); - rcu_read_unlock(); -diff --git a/ipc/util.c b/ipc/util.c -index ff3323e..d6d63d1 100644 ---- a/ipc/util.c -+++ b/ipc/util.c -@@ -71,6 +71,8 @@ struct ipc_proc_iface { - int (*show)(struct seq_file *, void *); - }; - -+extern int gr_ipc_permitted(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, int requested_mode, int granted_mode); -+ - /** - * ipc_init - initialise ipc subsystem - * -@@ -497,6 +499,10 @@ int ipcperms(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp, short flag) - granted_mode >>= 6; - else if (in_group_p(ipcp->cgid) || in_group_p(ipcp->gid)) - granted_mode >>= 3; -+ -+ if (!gr_ipc_permitted(ns, ipcp, requested_mode, granted_mode)) -+ return -1; -+ - /* is there some bit set in requested_mode but not in granted_mode? */ - if ((requested_mode & ~granted_mode & 0007) && - !ns_capable(ns->user_ns, CAP_IPC_OWNER)) -diff --git a/kernel/audit.c b/kernel/audit.c -index 1c13e42..6c171ab 100644 ---- a/kernel/audit.c -+++ b/kernel/audit.c -@@ -124,7 +124,7 @@ u32 audit_sig_sid = 0; - 3) suppressed due to audit_rate_limit - 4) suppressed due to audit_backlog_limit - */ --static atomic_t audit_lost = ATOMIC_INIT(0); -+static atomic_unchecked_t audit_lost = ATOMIC_INIT(0); - - /* The netlink socket. */ - static struct sock *audit_sock; -@@ -258,7 +258,7 @@ void audit_log_lost(const char *message) - unsigned long now; - int print; - -- atomic_inc(&audit_lost); -+ atomic_inc_unchecked(&audit_lost); - - print = (audit_failure == AUDIT_FAIL_PANIC || !audit_rate_limit); - -@@ -275,7 +275,7 @@ void audit_log_lost(const char *message) - if (print) { - if (printk_ratelimit()) - pr_warn("audit_lost=%u audit_rate_limit=%u audit_backlog_limit=%u\n", -- atomic_read(&audit_lost), -+ atomic_read_unchecked(&audit_lost), - audit_rate_limit, - audit_backlog_limit); - audit_panic(message); -@@ -833,7 +833,7 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) - s.pid = audit_pid; - s.rate_limit = audit_rate_limit; - s.backlog_limit = audit_backlog_limit; -- s.lost = atomic_read(&audit_lost); -+ s.lost = atomic_read_unchecked(&audit_lost); - s.backlog = skb_queue_len(&audit_skb_queue); - s.feature_bitmap = AUDIT_FEATURE_BITMAP_ALL; - s.backlog_wait_time = audit_backlog_wait_time_master; -diff --git a/kernel/auditsc.c b/kernel/auditsc.c -index 9fb9d1c..afb1610 100644 ---- a/kernel/auditsc.c -+++ b/kernel/auditsc.c -@@ -1023,7 +1023,7 @@ static int audit_log_single_execve_arg(struct audit_context *context, - * for strings that are too long, we should not have created - * any. - */ -- if (unlikely((len == -1) || len > MAX_ARG_STRLEN - 1)) { -+ if (unlikely(len > MAX_ARG_STRLEN - 1)) { - WARN_ON(1); - send_sig(SIGKILL, current, 0); - return -1; -@@ -1955,7 +1955,7 @@ int auditsc_get_stamp(struct audit_context *ctx, - } - - /* global counter which is incremented every time something logs in */ --static atomic_t session_id = ATOMIC_INIT(0); -+static atomic_unchecked_t session_id = ATOMIC_INIT(0); - - static int audit_set_loginuid_perm(kuid_t loginuid) - { -@@ -2022,7 +2022,7 @@ int audit_set_loginuid(kuid_t loginuid) - - /* are we setting or clearing? */ - if (uid_valid(loginuid)) -- sessionid = (unsigned int)atomic_inc_return(&session_id); -+ sessionid = (unsigned int)atomic_inc_return_unchecked(&session_id); - - task->sessionid = sessionid; - task->loginuid = loginuid; -diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c -index 54f0e7f..fed997b 100644 ---- a/kernel/bpf/core.c -+++ b/kernel/bpf/core.c -@@ -143,14 +143,17 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr, - * random section of illegal instructions. - */ - size = round_up(proglen + sizeof(*hdr) + 128, PAGE_SIZE); -- hdr = module_alloc(size); -+ hdr = module_alloc_exec(size); - if (hdr == NULL) - return NULL; - - /* Fill space with illegal/arch-dep instructions. */ - bpf_fill_ill_insns(hdr, size); - -+ pax_open_kernel(); - hdr->pages = size / PAGE_SIZE; -+ pax_close_kernel(); -+ - hole = min_t(unsigned int, size - (proglen + sizeof(*hdr)), - PAGE_SIZE - sizeof(*hdr)); - start = (prandom_u32() % hole) & ~(alignment - 1); -@@ -163,7 +166,7 @@ bpf_jit_binary_alloc(unsigned int proglen, u8 **image_ptr, - - void bpf_jit_binary_free(struct bpf_binary_header *hdr) - { -- module_memfree(hdr); -+ module_memfree_exec(hdr); - } - #endif /* CONFIG_BPF_JIT */ - -diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c -index 3bae6c5..59ea175 100644 ---- a/kernel/bpf/syscall.c -+++ b/kernel/bpf/syscall.c -@@ -554,11 +554,15 @@ SYSCALL_DEFINE3(bpf, int, cmd, union bpf_attr __user *, uattr, unsigned int, siz - int err; - - /* the syscall is limited to root temporarily. This restriction will be -- * lifted when security audit is clean. Note that eBPF+tracing must have -- * this restriction, since it may pass kernel data to user space -+ * lifted by upstream when a half-assed security audit is clean. Note -+ * that eBPF+tracing must have this restriction, since it may pass -+ * kernel data to user space - */ - if (!capable(CAP_SYS_ADMIN)) - return -EPERM; -+#ifdef CONFIG_GRKERNSEC -+ return -EPERM; -+#endif - - if (!access_ok(VERIFY_READ, uattr, 1)) - return -EFAULT; -diff --git a/kernel/capability.c b/kernel/capability.c -index 45432b5..988f1e4 100644 ---- a/kernel/capability.c -+++ b/kernel/capability.c -@@ -193,6 +193,9 @@ SYSCALL_DEFINE2(capget, cap_user_header_t, header, cap_user_data_t, dataptr) - * before modification is attempted and the application - * fails. - */ -+ if (tocopy > ARRAY_SIZE(kdata)) -+ return -EFAULT; -+ - if (copy_to_user(dataptr, kdata, tocopy - * sizeof(struct __user_cap_data_struct))) { - return -EFAULT; -@@ -298,10 +301,11 @@ bool has_ns_capability(struct task_struct *t, - int ret; - - rcu_read_lock(); -- ret = security_capable(__task_cred(t), ns, cap); -+ ret = security_capable(__task_cred(t), ns, cap) == 0 && -+ gr_task_is_capable(t, __task_cred(t), cap); - rcu_read_unlock(); - -- return (ret == 0); -+ return ret; - } - - /** -@@ -338,10 +342,10 @@ bool has_ns_capability_noaudit(struct task_struct *t, - int ret; - - rcu_read_lock(); -- ret = security_capable_noaudit(__task_cred(t), ns, cap); -+ ret = security_capable_noaudit(__task_cred(t), ns, cap) == 0 && gr_task_is_capable_nolog(t, cap); - rcu_read_unlock(); - -- return (ret == 0); -+ return ret; - } - - /** -@@ -379,7 +383,7 @@ bool ns_capable(struct user_namespace *ns, int cap) - BUG(); - } - -- if (security_capable(current_cred(), ns, cap) == 0) { -+ if (security_capable(current_cred(), ns, cap) == 0 && gr_is_capable(cap)) { - current->flags |= PF_SUPERPRIV; - return true; - } -@@ -387,6 +391,20 @@ bool ns_capable(struct user_namespace *ns, int cap) - } - EXPORT_SYMBOL(ns_capable); - -+bool ns_capable_nolog(struct user_namespace *ns, int cap) -+{ -+ if (unlikely(!cap_valid(cap))) { -+ pr_crit("capable_nolog() called with invalid cap=%u\n", cap); -+ BUG(); -+ } -+ -+ if (security_capable_noaudit(current_cred(), ns, cap) == 0 && gr_is_capable_nolog(cap)) { -+ current->flags |= PF_SUPERPRIV; -+ return true; -+ } -+ return false; -+} -+EXPORT_SYMBOL(ns_capable_nolog); - - /** - * capable - Determine if the current task has a superior capability in effect -@@ -403,6 +421,13 @@ bool capable(int cap) - return ns_capable(&init_user_ns, cap); - } - EXPORT_SYMBOL(capable); -+ -+bool capable_nolog(int cap) -+{ -+ return ns_capable_nolog(&init_user_ns, cap); -+} -+EXPORT_SYMBOL(capable_nolog); -+ - #endif /* CONFIG_MULTIUSER */ - - /** -@@ -447,3 +472,12 @@ bool capable_wrt_inode_uidgid(const struct inode *inode, int cap) - kgid_has_mapping(ns, inode->i_gid); - } - EXPORT_SYMBOL(capable_wrt_inode_uidgid); -+ -+bool capable_wrt_inode_uidgid_nolog(const struct inode *inode, int cap) -+{ -+ struct user_namespace *ns = current_user_ns(); -+ -+ return ns_capable_nolog(ns, cap) && kuid_has_mapping(ns, inode->i_uid) && -+ kgid_has_mapping(ns, inode->i_gid); -+} -+EXPORT_SYMBOL(capable_wrt_inode_uidgid_nolog); -diff --git a/kernel/cgroup.c b/kernel/cgroup.c -index e8a5491..ab4bfa3 100644 ---- a/kernel/cgroup.c -+++ b/kernel/cgroup.c -@@ -5347,6 +5347,9 @@ static void cgroup_release_agent(struct work_struct *work) - if (!pathbuf || !agentbuf) - goto out; - -+ if (agentbuf[0] == '\0') -+ goto out; -+ - path = cgroup_path(cgrp, pathbuf, PATH_MAX); - if (!path) - goto out; -@@ -5532,7 +5535,7 @@ static int cgroup_css_links_read(struct seq_file *seq, void *v) - struct task_struct *task; - int count = 0; - -- seq_printf(seq, "css_set %p\n", cset); -+ seq_printf(seq, "css_set %pK\n", cset); - - list_for_each_entry(task, &cset->tasks, cg_list) { - if (count++ > MAX_TASKS_SHOWN_PER_CSS) -diff --git a/kernel/compat.c b/kernel/compat.c -index 333d364..762ec00 100644 ---- a/kernel/compat.c -+++ b/kernel/compat.c -@@ -13,6 +13,7 @@ - - #include <linux/linkage.h> - #include <linux/compat.h> -+#include <linux/module.h> - #include <linux/errno.h> - #include <linux/time.h> - #include <linux/signal.h> -@@ -220,7 +221,7 @@ static long compat_nanosleep_restart(struct restart_block *restart) - mm_segment_t oldfs; - long ret; - -- restart->nanosleep.rmtp = (struct timespec __user *) &rmt; -+ restart->nanosleep.rmtp = (struct timespec __force_user *) &rmt; - oldfs = get_fs(); - set_fs(KERNEL_DS); - ret = hrtimer_nanosleep_restart(restart); -@@ -252,7 +253,7 @@ COMPAT_SYSCALL_DEFINE2(nanosleep, struct compat_timespec __user *, rqtp, - oldfs = get_fs(); - set_fs(KERNEL_DS); - ret = hrtimer_nanosleep(&tu, -- rmtp ? (struct timespec __user *)&rmt : NULL, -+ rmtp ? (struct timespec __force_user *)&rmt : NULL, - HRTIMER_MODE_REL, CLOCK_MONOTONIC); - set_fs(oldfs); - -@@ -378,7 +379,7 @@ COMPAT_SYSCALL_DEFINE1(sigpending, compat_old_sigset_t __user *, set) - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); -- ret = sys_sigpending((old_sigset_t __user *) &s); -+ ret = sys_sigpending((old_sigset_t __force_user *) &s); - set_fs(old_fs); - if (ret == 0) - ret = put_user(s, set); -@@ -468,7 +469,7 @@ COMPAT_SYSCALL_DEFINE2(old_getrlimit, unsigned int, resource, - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); -- ret = sys_old_getrlimit(resource, (struct rlimit __user *)&r); -+ ret = sys_old_getrlimit(resource, (struct rlimit __force_user *)&r); - set_fs(old_fs); - - if (!ret) { -@@ -550,8 +551,8 @@ COMPAT_SYSCALL_DEFINE4(wait4, - set_fs (KERNEL_DS); - ret = sys_wait4(pid, - (stat_addr ? -- (unsigned int __user *) &status : NULL), -- options, (struct rusage __user *) &r); -+ (unsigned int __force_user *) &status : NULL), -+ options, (struct rusage __force_user *) &r); - set_fs (old_fs); - - if (ret > 0) { -@@ -577,8 +578,8 @@ COMPAT_SYSCALL_DEFINE5(waitid, - memset(&info, 0, sizeof(info)); - - set_fs(KERNEL_DS); -- ret = sys_waitid(which, pid, (siginfo_t __user *)&info, options, -- uru ? (struct rusage __user *)&ru : NULL); -+ ret = sys_waitid(which, pid, (siginfo_t __force_user *)&info, options, -+ uru ? (struct rusage __force_user *)&ru : NULL); - set_fs(old_fs); - - if ((ret < 0) || (info.si_signo == 0)) -@@ -712,8 +713,8 @@ COMPAT_SYSCALL_DEFINE4(timer_settime, timer_t, timer_id, int, flags, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_timer_settime(timer_id, flags, -- (struct itimerspec __user *) &newts, -- (struct itimerspec __user *) &oldts); -+ (struct itimerspec __force_user *) &newts, -+ (struct itimerspec __force_user *) &oldts); - set_fs(oldfs); - if (!err && old && put_compat_itimerspec(old, &oldts)) - return -EFAULT; -@@ -730,7 +731,7 @@ COMPAT_SYSCALL_DEFINE2(timer_gettime, timer_t, timer_id, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_timer_gettime(timer_id, -- (struct itimerspec __user *) &ts); -+ (struct itimerspec __force_user *) &ts); - set_fs(oldfs); - if (!err && put_compat_itimerspec(setting, &ts)) - return -EFAULT; -@@ -749,7 +750,7 @@ COMPAT_SYSCALL_DEFINE2(clock_settime, clockid_t, which_clock, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_clock_settime(which_clock, -- (struct timespec __user *) &ts); -+ (struct timespec __force_user *) &ts); - set_fs(oldfs); - return err; - } -@@ -764,7 +765,7 @@ COMPAT_SYSCALL_DEFINE2(clock_gettime, clockid_t, which_clock, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_clock_gettime(which_clock, -- (struct timespec __user *) &ts); -+ (struct timespec __force_user *) &ts); - set_fs(oldfs); - if (!err && compat_put_timespec(&ts, tp)) - return -EFAULT; -@@ -784,7 +785,7 @@ COMPAT_SYSCALL_DEFINE2(clock_adjtime, clockid_t, which_clock, - - oldfs = get_fs(); - set_fs(KERNEL_DS); -- ret = sys_clock_adjtime(which_clock, (struct timex __user *) &txc); -+ ret = sys_clock_adjtime(which_clock, (struct timex __force_user *) &txc); - set_fs(oldfs); - - err = compat_put_timex(utp, &txc); -@@ -804,7 +805,7 @@ COMPAT_SYSCALL_DEFINE2(clock_getres, clockid_t, which_clock, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_clock_getres(which_clock, -- (struct timespec __user *) &ts); -+ (struct timespec __force_user *) &ts); - set_fs(oldfs); - if (!err && tp && compat_put_timespec(&ts, tp)) - return -EFAULT; -@@ -818,7 +819,7 @@ static long compat_clock_nanosleep_restart(struct restart_block *restart) - struct timespec tu; - struct compat_timespec __user *rmtp = restart->nanosleep.compat_rmtp; - -- restart->nanosleep.rmtp = (struct timespec __user *) &tu; -+ restart->nanosleep.rmtp = (struct timespec __force_user *) &tu; - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = clock_nanosleep_restart(restart); -@@ -850,8 +851,8 @@ COMPAT_SYSCALL_DEFINE4(clock_nanosleep, clockid_t, which_clock, int, flags, - oldfs = get_fs(); - set_fs(KERNEL_DS); - err = sys_clock_nanosleep(which_clock, flags, -- (struct timespec __user *) &in, -- (struct timespec __user *) &out); -+ (struct timespec __force_user *) &in, -+ (struct timespec __force_user *) &out); - set_fs(oldfs); - - if ((err == -ERESTART_RESTARTBLOCK) && rmtp && -@@ -1147,7 +1148,7 @@ COMPAT_SYSCALL_DEFINE2(sched_rr_get_interval, - mm_segment_t old_fs = get_fs(); - - set_fs(KERNEL_DS); -- ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t); -+ ret = sys_sched_rr_get_interval(pid, (struct timespec __force_user *)&t); - set_fs(old_fs); - if (compat_put_timespec(&t, interval)) - return -EFAULT; -diff --git a/kernel/configs.c b/kernel/configs.c -index c18b1f1..b9a0132 100644 ---- a/kernel/configs.c -+++ b/kernel/configs.c -@@ -74,8 +74,19 @@ static int __init ikconfig_init(void) - struct proc_dir_entry *entry; - - /* create the current config file */ -+#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM) -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_HIDESYM) -+ entry = proc_create("config.gz", S_IFREG | S_IRUSR, NULL, -+ &ikconfig_file_ops); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ entry = proc_create("config.gz", S_IFREG | S_IRUSR | S_IRGRP, NULL, -+ &ikconfig_file_ops); -+#endif -+#else - entry = proc_create("config.gz", S_IFREG | S_IRUGO, NULL, - &ikconfig_file_ops); -+#endif -+ - if (!entry) - return -ENOMEM; - -diff --git a/kernel/cred.c b/kernel/cred.c -index ec1c076..7da8a0e 100644 ---- a/kernel/cred.c -+++ b/kernel/cred.c -@@ -167,6 +167,15 @@ void exit_creds(struct task_struct *tsk) - validate_creds(cred); - alter_cred_subscribers(cred, -1); - put_cred(cred); -+ -+#ifdef CONFIG_GRKERNSEC_SETXID -+ cred = (struct cred *) tsk->delayed_cred; -+ if (cred != NULL) { -+ tsk->delayed_cred = NULL; -+ validate_creds(cred); -+ put_cred(cred); -+ } -+#endif - } - - /** -@@ -414,7 +423,7 @@ static bool cred_cap_issubset(const struct cred *set, const struct cred *subset) - * Always returns 0 thus allowing this function to be tail-called at the end - * of, say, sys_setgid(). - */ --int commit_creds(struct cred *new) -+static int __commit_creds(struct cred *new) - { - struct task_struct *task = current; - const struct cred *old = task->real_cred; -@@ -433,6 +442,8 @@ int commit_creds(struct cred *new) - - get_cred(new); /* we will require a ref for the subj creds too */ - -+ gr_set_role_label(task, new->uid, new->gid); -+ - /* dumpability changes */ - if (!uid_eq(old->euid, new->euid) || - !gid_eq(old->egid, new->egid) || -@@ -482,6 +493,105 @@ int commit_creds(struct cred *new) - put_cred(old); - return 0; - } -+#ifdef CONFIG_GRKERNSEC_SETXID -+extern int set_user(struct cred *new); -+ -+void gr_delayed_cred_worker(void) -+{ -+ const struct cred *new = current->delayed_cred; -+ struct cred *ncred; -+ -+ current->delayed_cred = NULL; -+ -+ if (!uid_eq(current_uid(), GLOBAL_ROOT_UID) && new != NULL) { -+ // from doing get_cred on it when queueing this -+ put_cred(new); -+ return; -+ } else if (new == NULL) -+ return; -+ -+ ncred = prepare_creds(); -+ if (!ncred) -+ goto die; -+ // uids -+ ncred->uid = new->uid; -+ ncred->euid = new->euid; -+ ncred->suid = new->suid; -+ ncred->fsuid = new->fsuid; -+ // gids -+ ncred->gid = new->gid; -+ ncred->egid = new->egid; -+ ncred->sgid = new->sgid; -+ ncred->fsgid = new->fsgid; -+ // groups -+ set_groups(ncred, new->group_info); -+ // caps -+ ncred->securebits = new->securebits; -+ ncred->cap_inheritable = new->cap_inheritable; -+ ncred->cap_permitted = new->cap_permitted; -+ ncred->cap_effective = new->cap_effective; -+ ncred->cap_bset = new->cap_bset; -+ -+ if (set_user(ncred)) { -+ abort_creds(ncred); -+ goto die; -+ } -+ -+ // from doing get_cred on it when queueing this -+ put_cred(new); -+ -+ __commit_creds(ncred); -+ return; -+die: -+ // from doing get_cred on it when queueing this -+ put_cred(new); -+ do_group_exit(SIGKILL); -+} -+#endif -+ -+int commit_creds(struct cred *new) -+{ -+#ifdef CONFIG_GRKERNSEC_SETXID -+ int ret; -+ int schedule_it = 0; -+ struct task_struct *t; -+ unsigned oldsecurebits = current_cred()->securebits; -+ -+ /* we won't get called with tasklist_lock held for writing -+ and interrupts disabled as the cred struct in that case is -+ init_cred -+ */ -+ if (grsec_enable_setxid && !current_is_single_threaded() && -+ uid_eq(current_uid(), GLOBAL_ROOT_UID) && -+ !uid_eq(new->uid, GLOBAL_ROOT_UID)) { -+ schedule_it = 1; -+ } -+ ret = __commit_creds(new); -+ if (schedule_it) { -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ for (t = next_thread(current); t != current; -+ t = next_thread(t)) { -+ /* we'll check if the thread has uid 0 in -+ * the delayed worker routine -+ */ -+ if (task_securebits(t) == oldsecurebits && -+ t->delayed_cred == NULL) { -+ t->delayed_cred = get_cred(new); -+ set_tsk_thread_flag(t, TIF_GRSEC_SETXID); -+ set_tsk_need_resched(t); -+ } -+ } -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ } -+ -+ return ret; -+#else -+ return __commit_creds(new); -+#endif -+} -+ - EXPORT_SYMBOL(commit_creds); - - /** -diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c -index 0874e2e..5b32cc9 100644 ---- a/kernel/debug/debug_core.c -+++ b/kernel/debug/debug_core.c -@@ -127,7 +127,7 @@ static DEFINE_RAW_SPINLOCK(dbg_slave_lock); - */ - static atomic_t masters_in_kgdb; - static atomic_t slaves_in_kgdb; --static atomic_t kgdb_break_tasklet_var; -+static atomic_unchecked_t kgdb_break_tasklet_var; - atomic_t kgdb_setting_breakpoint; - - struct task_struct *kgdb_usethread; -@@ -137,7 +137,7 @@ int kgdb_single_step; - static pid_t kgdb_sstep_pid; - - /* to keep track of the CPU which is doing the single stepping*/ --atomic_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1); -+atomic_unchecked_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1); - - /* - * If you are debugging a problem where roundup (the collection of -@@ -552,7 +552,7 @@ return_normal: - * kernel will only try for the value of sstep_tries before - * giving up and continuing on. - */ -- if (atomic_read(&kgdb_cpu_doing_single_step) != -1 && -+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1 && - (kgdb_info[cpu].task && - kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) { - atomic_set(&kgdb_active, -1); -@@ -654,8 +654,8 @@ cpu_master_loop: - } - - kgdb_restore: -- if (atomic_read(&kgdb_cpu_doing_single_step) != -1) { -- int sstep_cpu = atomic_read(&kgdb_cpu_doing_single_step); -+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) { -+ int sstep_cpu = atomic_read_unchecked(&kgdb_cpu_doing_single_step); - if (kgdb_info[sstep_cpu].task) - kgdb_sstep_pid = kgdb_info[sstep_cpu].task->pid; - else -@@ -949,18 +949,18 @@ static void kgdb_unregister_callbacks(void) - static void kgdb_tasklet_bpt(unsigned long ing) - { - kgdb_breakpoint(); -- atomic_set(&kgdb_break_tasklet_var, 0); -+ atomic_set_unchecked(&kgdb_break_tasklet_var, 0); - } - - static DECLARE_TASKLET(kgdb_tasklet_breakpoint, kgdb_tasklet_bpt, 0); - - void kgdb_schedule_breakpoint(void) - { -- if (atomic_read(&kgdb_break_tasklet_var) || -+ if (atomic_read_unchecked(&kgdb_break_tasklet_var) || - atomic_read(&kgdb_active) != -1 || - atomic_read(&kgdb_setting_breakpoint)) - return; -- atomic_inc(&kgdb_break_tasklet_var); -+ atomic_inc_unchecked(&kgdb_break_tasklet_var); - tasklet_schedule(&kgdb_tasklet_breakpoint); - } - EXPORT_SYMBOL_GPL(kgdb_schedule_breakpoint); -diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c -index 41213454..861e178 100644 ---- a/kernel/debug/kdb/kdb_main.c -+++ b/kernel/debug/kdb/kdb_main.c -@@ -2021,7 +2021,7 @@ static int kdb_lsmod(int argc, const char **argv) - continue; - - kdb_printf("%-20s%8u 0x%p ", mod->name, -- mod->core_size, (void *)mod); -+ mod->core_size_rx + mod->core_size_rw, (void *)mod); - #ifdef CONFIG_MODULE_UNLOAD - kdb_printf("%4d ", module_refcount(mod)); - #endif -@@ -2031,7 +2031,7 @@ static int kdb_lsmod(int argc, const char **argv) - kdb_printf(" (Loading)"); - else - kdb_printf(" (Live)"); -- kdb_printf(" 0x%p", mod->module_core); -+ kdb_printf(" 0x%p 0x%p", mod->module_core_rx, mod->module_core_rw); - - #ifdef CONFIG_MODULE_UNLOAD - { -diff --git a/kernel/events/core.c b/kernel/events/core.c -index 9481749..5fbec5b 100644 ---- a/kernel/events/core.c -+++ b/kernel/events/core.c -@@ -172,8 +172,15 @@ static struct srcu_struct pmus_srcu; - * 0 - disallow raw tracepoint access for unpriv - * 1 - disallow cpu events for unpriv - * 2 - disallow kernel profiling for unpriv -+ * 3 - disallow all unpriv perf event use - */ --int sysctl_perf_event_paranoid __read_mostly = 1; -+#ifdef CONFIG_GRKERNSEC_PERF_HARDEN -+int sysctl_perf_event_legitimately_concerned __read_only = 3; -+#elif defined(CONFIG_GRKERNSEC_HIDESYM) -+int sysctl_perf_event_legitimately_concerned __read_only = 2; -+#else -+int sysctl_perf_event_legitimately_concerned __read_only = 1; -+#endif - - /* Minimum for 512 kiB + 1 user control page */ - int sysctl_perf_event_mlock __read_mostly = 512 + (PAGE_SIZE / 1024); /* 'free' kiB per user */ -@@ -199,7 +206,7 @@ void update_perf_cpu_limits(void) - - tmp *= sysctl_perf_cpu_time_max_percent; - do_div(tmp, 100); -- ACCESS_ONCE(perf_sample_allowed_ns) = tmp; -+ ACCESS_ONCE_RW(perf_sample_allowed_ns) = tmp; - } - - static int perf_rotate_context(struct perf_cpu_context *cpuctx); -@@ -305,7 +312,7 @@ void perf_sample_event_took(u64 sample_len_ns) - } - } - --static atomic64_t perf_event_id; -+static atomic64_unchecked_t perf_event_id; - - static void cpu_ctx_sched_out(struct perf_cpu_context *cpuctx, - enum event_type_t event_type); -@@ -3771,9 +3778,9 @@ u64 perf_event_read_value(struct perf_event *event, u64 *enabled, u64 *running) - mutex_lock(&event->child_mutex); - total += perf_event_read(event); - *enabled += event->total_time_enabled + -- atomic64_read(&event->child_total_time_enabled); -+ atomic64_read_unchecked(&event->child_total_time_enabled); - *running += event->total_time_running + -- atomic64_read(&event->child_total_time_running); -+ atomic64_read_unchecked(&event->child_total_time_running); - - list_for_each_entry(child, &event->child_list, child_list) { - total += perf_event_read(child); -@@ -4303,10 +4310,10 @@ void perf_event_update_userpage(struct perf_event *event) - userpg->offset -= local64_read(&event->hw.prev_count); - - userpg->time_enabled = enabled + -- atomic64_read(&event->child_total_time_enabled); -+ atomic64_read_unchecked(&event->child_total_time_enabled); - - userpg->time_running = running + -- atomic64_read(&event->child_total_time_running); -+ atomic64_read_unchecked(&event->child_total_time_running); - - arch_perf_update_userpage(event, userpg, now); - -@@ -4989,7 +4996,7 @@ perf_output_sample_ustack(struct perf_output_handle *handle, u64 dump_size, - - /* Data. */ - sp = perf_user_stack_pointer(regs); -- rem = __output_copy_user(handle, (void *) sp, dump_size); -+ rem = __output_copy_user(handle, (void __user *) sp, dump_size); - dyn_size = dump_size - rem; - - perf_output_skip(handle, rem); -@@ -5080,11 +5087,11 @@ static void perf_output_read_one(struct perf_output_handle *handle, - values[n++] = perf_event_count(event); - if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) { - values[n++] = enabled + -- atomic64_read(&event->child_total_time_enabled); -+ atomic64_read_unchecked(&event->child_total_time_enabled); - } - if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) { - values[n++] = running + -- atomic64_read(&event->child_total_time_running); -+ atomic64_read_unchecked(&event->child_total_time_running); - } - if (read_format & PERF_FORMAT_ID) - values[n++] = primary_event_id(event); -@@ -7576,7 +7583,7 @@ perf_event_alloc(struct perf_event_attr *attr, int cpu, - event->parent = parent_event; - - event->ns = get_pid_ns(task_active_pid_ns(current)); -- event->id = atomic64_inc_return(&perf_event_id); -+ event->id = atomic64_inc_return_unchecked(&perf_event_id); - - event->state = PERF_EVENT_STATE_INACTIVE; - -@@ -7935,6 +7942,11 @@ SYSCALL_DEFINE5(perf_event_open, - if (flags & ~PERF_FLAG_ALL) - return -EINVAL; - -+#ifdef CONFIG_GRKERNSEC_PERF_HARDEN -+ if (perf_paranoid_any() && !capable(CAP_SYS_ADMIN)) -+ return -EACCES; -+#endif -+ - err = perf_copy_attr(attr_uptr, &attr); - if (err) - return err; -@@ -8383,10 +8395,10 @@ static void sync_child_event(struct perf_event *child_event, - /* - * Add back the child's count to the parent's count: - */ -- atomic64_add(child_val, &parent_event->child_count); -- atomic64_add(child_event->total_time_enabled, -+ atomic64_add_unchecked(child_val, &parent_event->child_count); -+ atomic64_add_unchecked(child_event->total_time_enabled, - &parent_event->child_total_time_enabled); -- atomic64_add(child_event->total_time_running, -+ atomic64_add_unchecked(child_event->total_time_running, - &parent_event->child_total_time_running); - - /* -diff --git a/kernel/events/internal.h b/kernel/events/internal.h -index 9f6ce9b..e4f2cbb 100644 ---- a/kernel/events/internal.h -+++ b/kernel/events/internal.h -@@ -114,10 +114,10 @@ static inline unsigned long perf_aux_size(struct ring_buffer *rb) - return rb->aux_nr_pages << PAGE_SHIFT; - } - --#define DEFINE_OUTPUT_COPY(func_name, memcpy_func) \ -+#define DEFINE_OUTPUT_COPY(func_name, memcpy_func, user) \ - static inline unsigned long \ - func_name(struct perf_output_handle *handle, \ -- const void *buf, unsigned long len) \ -+ const void user *buf, unsigned long len) \ - { \ - unsigned long size, written; \ - \ -@@ -150,7 +150,7 @@ memcpy_common(void *dst, const void *src, unsigned long n) - return 0; - } - --DEFINE_OUTPUT_COPY(__output_copy, memcpy_common) -+DEFINE_OUTPUT_COPY(__output_copy, memcpy_common, ) - - static inline unsigned long - memcpy_skip(void *dst, const void *src, unsigned long n) -@@ -158,7 +158,7 @@ memcpy_skip(void *dst, const void *src, unsigned long n) - return 0; - } - --DEFINE_OUTPUT_COPY(__output_skip, memcpy_skip) -+DEFINE_OUTPUT_COPY(__output_skip, memcpy_skip, ) - - #ifndef arch_perf_out_copy_user - #define arch_perf_out_copy_user arch_perf_out_copy_user -@@ -176,7 +176,7 @@ arch_perf_out_copy_user(void *dst, const void *src, unsigned long n) - } - #endif - --DEFINE_OUTPUT_COPY(__output_copy_user, arch_perf_out_copy_user) -+DEFINE_OUTPUT_COPY(__output_copy_user, arch_perf_out_copy_user, __user) - - /* Callchain handling */ - extern struct perf_callchain_entry * -diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c -index cb346f2..e4dc317 100644 ---- a/kernel/events/uprobes.c -+++ b/kernel/events/uprobes.c -@@ -1670,7 +1670,7 @@ static int is_trap_at_addr(struct mm_struct *mm, unsigned long vaddr) - { - struct page *page; - uprobe_opcode_t opcode; -- int result; -+ long result; - - pagefault_disable(); - result = __copy_from_user_inatomic(&opcode, (void __user*)vaddr, -diff --git a/kernel/exit.c b/kernel/exit.c -index 22fcc05..5f07dbc 100644 ---- a/kernel/exit.c -+++ b/kernel/exit.c -@@ -171,6 +171,10 @@ void release_task(struct task_struct *p) - struct task_struct *leader; - int zap_leader; - repeat: -+#ifdef CONFIG_NET -+ gr_del_task_from_ip_table(p); -+#endif -+ - /* don't need to get the RCU readlock here - the process is dead and - * can't be modifying its own credentials. But shut RCU-lockdep up */ - rcu_read_lock(); -@@ -656,6 +660,8 @@ void do_exit(long code) - int group_dead; - TASKS_RCU(int tasks_rcu_i); - -+ set_fs(USER_DS); -+ - profile_task_exit(tsk); - - WARN_ON(blk_needs_flush_plug(tsk)); -@@ -672,7 +678,6 @@ void do_exit(long code) - * mm_release()->clear_child_tid() from writing to a user-controlled - * kernel address. - */ -- set_fs(USER_DS); - - ptrace_event(PTRACE_EVENT_EXIT, code); - -@@ -730,6 +735,9 @@ void do_exit(long code) - tsk->exit_code = code; - taskstats_exit(tsk, group_dead); - -+ gr_acl_handle_psacct(tsk, code); -+ gr_acl_handle_exit(); -+ - exit_mm(tsk); - - if (group_dead) -@@ -847,7 +855,7 @@ SYSCALL_DEFINE1(exit, int, error_code) - * Take down every thread in the group. This is called by fatal signals - * as well as by sys_exit_group (below). - */ --void -+__noreturn void - do_group_exit(int exit_code) - { - struct signal_struct *sig = current->signal; -diff --git a/kernel/fork.c b/kernel/fork.c -index 03c1eaa..461be4c 100644 ---- a/kernel/fork.c -+++ b/kernel/fork.c -@@ -188,12 +188,54 @@ static void free_thread_info(struct thread_info *ti) - void thread_info_cache_init(void) - { - thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE, -- THREAD_SIZE, 0, NULL); -+ THREAD_SIZE, SLAB_USERCOPY, NULL); - BUG_ON(thread_info_cache == NULL); - } - # endif - #endif - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+static inline struct thread_info *gr_alloc_thread_info_node(struct task_struct *tsk, -+ int node, void **lowmem_stack) -+{ -+ struct page *pages[THREAD_SIZE / PAGE_SIZE]; -+ void *ret = NULL; -+ unsigned int i; -+ -+ *lowmem_stack = alloc_thread_info_node(tsk, node); -+ if (*lowmem_stack == NULL) -+ goto out; -+ -+ for (i = 0; i < THREAD_SIZE / PAGE_SIZE; i++) -+ pages[i] = virt_to_page(*lowmem_stack + (i * PAGE_SIZE)); -+ -+ /* use VM_IOREMAP to gain THREAD_SIZE alignment */ -+ ret = vmap(pages, THREAD_SIZE / PAGE_SIZE, VM_IOREMAP, PAGE_KERNEL); -+ if (ret == NULL) { -+ free_thread_info(*lowmem_stack); -+ *lowmem_stack = NULL; -+ } -+ -+out: -+ return ret; -+} -+ -+static inline void gr_free_thread_info(struct task_struct *tsk, struct thread_info *ti) -+{ -+ unmap_process_stacks(tsk); -+} -+#else -+static inline struct thread_info *gr_alloc_thread_info_node(struct task_struct *tsk, -+ int node, void **lowmem_stack) -+{ -+ return alloc_thread_info_node(tsk, node); -+} -+static inline void gr_free_thread_info(struct task_struct *tsk, struct thread_info *ti) -+{ -+ free_thread_info(ti); -+} -+#endif -+ - /* SLAB cache for signal_struct structures (tsk->signal) */ - static struct kmem_cache *signal_cachep; - -@@ -212,18 +254,22 @@ struct kmem_cache *vm_area_cachep; - /* SLAB cache for mm_struct structures (tsk->mm) */ - static struct kmem_cache *mm_cachep; - --static void account_kernel_stack(struct thread_info *ti, int account) -+static void account_kernel_stack(struct task_struct *tsk, struct thread_info *ti, int account) - { -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ struct zone *zone = page_zone(virt_to_page(tsk->lowmem_stack)); -+#else - struct zone *zone = page_zone(virt_to_page(ti)); -+#endif - - mod_zone_page_state(zone, NR_KERNEL_STACK, account); - } - - void free_task(struct task_struct *tsk) - { -- account_kernel_stack(tsk->stack, -1); -+ account_kernel_stack(tsk, tsk->stack, -1); - arch_release_thread_info(tsk->stack); -- free_thread_info(tsk->stack); -+ gr_free_thread_info(tsk, tsk->stack); - rt_mutex_debug_task_free(tsk); - ftrace_graph_exit_task(tsk); - put_seccomp_filter(tsk); -@@ -329,6 +375,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) - { - struct task_struct *tsk; - struct thread_info *ti; -+ void *lowmem_stack; - int node = tsk_fork_get_node(orig); - int err; - -@@ -336,7 +383,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) - if (!tsk) - return NULL; - -- ti = alloc_thread_info_node(tsk, node); -+ ti = gr_alloc_thread_info_node(tsk, node, &lowmem_stack); - if (!ti) - goto free_tsk; - -@@ -345,6 +392,9 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) - goto free_ti; - - tsk->stack = ti; -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ tsk->lowmem_stack = lowmem_stack; -+#endif - #ifdef CONFIG_SECCOMP - /* - * We must handle setting up seccomp filters once we're under -@@ -361,7 +411,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) - set_task_stack_end_magic(tsk); - - #ifdef CONFIG_CC_STACKPROTECTOR -- tsk->stack_canary = get_random_int(); -+ tsk->stack_canary = pax_get_random_long(); - #endif - - /* -@@ -375,24 +425,89 @@ static struct task_struct *dup_task_struct(struct task_struct *orig) - tsk->splice_pipe = NULL; - tsk->task_frag.page = NULL; - -- account_kernel_stack(ti, 1); -+ account_kernel_stack(tsk, ti, 1); - - return tsk; - - free_ti: -- free_thread_info(ti); -+ gr_free_thread_info(tsk, ti); - free_tsk: - free_task_struct(tsk); - return NULL; - } - - #ifdef CONFIG_MMU --static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) -+static struct vm_area_struct *dup_vma(struct mm_struct *mm, struct mm_struct *oldmm, struct vm_area_struct *mpnt) -+{ -+ struct vm_area_struct *tmp; -+ unsigned long charge; -+ struct file *file; -+ int retval; -+ -+ charge = 0; -+ if (mpnt->vm_flags & VM_ACCOUNT) { -+ unsigned long len = vma_pages(mpnt); -+ -+ if (security_vm_enough_memory_mm(oldmm, len)) /* sic */ -+ goto fail_nomem; -+ charge = len; -+ } -+ tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); -+ if (!tmp) -+ goto fail_nomem; -+ *tmp = *mpnt; -+ tmp->vm_mm = mm; -+ INIT_LIST_HEAD(&tmp->anon_vma_chain); -+ retval = vma_dup_policy(mpnt, tmp); -+ if (retval) -+ goto fail_nomem_policy; -+ if (anon_vma_fork(tmp, mpnt)) -+ goto fail_nomem_anon_vma_fork; -+ tmp->vm_flags &= ~VM_LOCKED; -+ tmp->vm_next = tmp->vm_prev = NULL; -+ tmp->vm_mirror = NULL; -+ file = tmp->vm_file; -+ if (file) { -+ struct inode *inode = file_inode(file); -+ struct address_space *mapping = file->f_mapping; -+ -+ get_file(file); -+ if (tmp->vm_flags & VM_DENYWRITE) -+ atomic_dec(&inode->i_writecount); -+ i_mmap_lock_write(mapping); -+ if (tmp->vm_flags & VM_SHARED) -+ atomic_inc(&mapping->i_mmap_writable); -+ flush_dcache_mmap_lock(mapping); -+ /* insert tmp into the share list, just after mpnt */ -+ vma_interval_tree_insert_after(tmp, mpnt, &mapping->i_mmap); -+ flush_dcache_mmap_unlock(mapping); -+ i_mmap_unlock_write(mapping); -+ } -+ -+ /* -+ * Clear hugetlb-related page reserves for children. This only -+ * affects MAP_PRIVATE mappings. Faults generated by the child -+ * are not guaranteed to succeed, even if read-only -+ */ -+ if (is_vm_hugetlb_page(tmp)) -+ reset_vma_resv_huge_pages(tmp); -+ -+ return tmp; -+ -+fail_nomem_anon_vma_fork: -+ mpol_put(vma_policy(tmp)); -+fail_nomem_policy: -+ kmem_cache_free(vm_area_cachep, tmp); -+fail_nomem: -+ vm_unacct_memory(charge); -+ return NULL; -+} -+ -+static __latent_entropy int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) - { - struct vm_area_struct *mpnt, *tmp, *prev, **pprev; - struct rb_node **rb_link, *rb_parent; - int retval; -- unsigned long charge; - - uprobe_start_dup_mmap(); - down_write(&oldmm->mmap_sem); -@@ -423,51 +538,15 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) - - prev = NULL; - for (mpnt = oldmm->mmap; mpnt; mpnt = mpnt->vm_next) { -- struct file *file; -- - if (mpnt->vm_flags & VM_DONTCOPY) { - vm_stat_account(mm, mpnt->vm_flags, mpnt->vm_file, - -vma_pages(mpnt)); - continue; - } -- charge = 0; -- if (mpnt->vm_flags & VM_ACCOUNT) { -- unsigned long len = vma_pages(mpnt); -- -- if (security_vm_enough_memory_mm(oldmm, len)) /* sic */ -- goto fail_nomem; -- charge = len; -- } -- tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); -- if (!tmp) -- goto fail_nomem; -- *tmp = *mpnt; -- INIT_LIST_HEAD(&tmp->anon_vma_chain); -- retval = vma_dup_policy(mpnt, tmp); -- if (retval) -- goto fail_nomem_policy; -- tmp->vm_mm = mm; -- if (anon_vma_fork(tmp, mpnt)) -- goto fail_nomem_anon_vma_fork; -- tmp->vm_flags &= ~VM_LOCKED; -- tmp->vm_next = tmp->vm_prev = NULL; -- file = tmp->vm_file; -- if (file) { -- struct inode *inode = file_inode(file); -- struct address_space *mapping = file->f_mapping; -- -- get_file(file); -- if (tmp->vm_flags & VM_DENYWRITE) -- atomic_dec(&inode->i_writecount); -- i_mmap_lock_write(mapping); -- if (tmp->vm_flags & VM_SHARED) -- atomic_inc(&mapping->i_mmap_writable); -- flush_dcache_mmap_lock(mapping); -- /* insert tmp into the share list, just after mpnt */ -- vma_interval_tree_insert_after(tmp, mpnt, -- &mapping->i_mmap); -- flush_dcache_mmap_unlock(mapping); -- i_mmap_unlock_write(mapping); -+ tmp = dup_vma(mm, oldmm, mpnt); -+ if (!tmp) { -+ retval = -ENOMEM; -+ goto out; - } - - /* -@@ -499,6 +578,31 @@ static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) - if (retval) - goto out; - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (oldmm->pax_flags & MF_PAX_SEGMEXEC) { -+ struct vm_area_struct *mpnt_m; -+ -+ for (mpnt = oldmm->mmap, mpnt_m = mm->mmap; mpnt; mpnt = mpnt->vm_next, mpnt_m = mpnt_m->vm_next) { -+ BUG_ON(!mpnt_m || mpnt_m->vm_mirror || mpnt->vm_mm != oldmm || mpnt_m->vm_mm != mm); -+ -+ if (!mpnt->vm_mirror) -+ continue; -+ -+ if (mpnt->vm_end <= SEGMEXEC_TASK_SIZE) { -+ BUG_ON(mpnt->vm_mirror->vm_mirror != mpnt); -+ mpnt->vm_mirror = mpnt_m; -+ } else { -+ BUG_ON(mpnt->vm_mirror->vm_mirror == mpnt || mpnt->vm_mirror->vm_mirror->vm_mm != mm); -+ mpnt_m->vm_mirror = mpnt->vm_mirror->vm_mirror; -+ mpnt_m->vm_mirror->vm_mirror = mpnt_m; -+ mpnt->vm_mirror->vm_mirror = mpnt; -+ } -+ } -+ BUG_ON(mpnt_m); -+ } -+#endif -+ - /* a new mm has just been created */ - arch_dup_mmap(oldmm, mm); - retval = 0; -@@ -508,14 +612,6 @@ out: - up_write(&oldmm->mmap_sem); - uprobe_end_dup_mmap(); - return retval; --fail_nomem_anon_vma_fork: -- mpol_put(vma_policy(tmp)); --fail_nomem_policy: -- kmem_cache_free(vm_area_cachep, tmp); --fail_nomem: -- retval = -ENOMEM; -- vm_unacct_memory(charge); -- goto out; - } - - static inline int mm_alloc_pgd(struct mm_struct *mm) -@@ -790,8 +886,8 @@ struct mm_struct *mm_access(struct task_struct *task, unsigned int mode) - return ERR_PTR(err); - - mm = get_task_mm(task); -- if (mm && mm != current->mm && -- !ptrace_may_access(task, mode)) { -+ if (mm && ((mm != current->mm && !ptrace_may_access(task, mode)) || -+ (mode == PTRACE_MODE_ATTACH && (gr_handle_proc_ptrace(task) || gr_acl_handle_procpidmem(task))))) { - mmput(mm); - mm = ERR_PTR(-EACCES); - } -@@ -992,13 +1088,20 @@ static int copy_fs(unsigned long clone_flags, struct task_struct *tsk) - spin_unlock(&fs->lock); - return -EAGAIN; - } -- fs->users++; -+ atomic_inc(&fs->users); - spin_unlock(&fs->lock); - return 0; - } - tsk->fs = copy_fs_struct(fs); - if (!tsk->fs) - return -ENOMEM; -+ /* Carry through gr_chroot_dentry and is_chrooted instead -+ of recomputing it here. Already copied when the task struct -+ is duplicated. This allows pivot_root to not be treated as -+ a chroot -+ */ -+ //gr_set_chroot_entries(tsk, &tsk->fs->root); -+ - return 0; - } - -@@ -1236,7 +1339,7 @@ init_task_pid(struct task_struct *task, enum pid_type type, struct pid *pid) - * parts of the process environment (as per the clone - * flags). The actual kick-off is left to the caller. - */ --static struct task_struct *copy_process(unsigned long clone_flags, -+static __latent_entropy struct task_struct *copy_process(unsigned long clone_flags, - unsigned long stack_start, - unsigned long stack_size, - int __user *child_tidptr, -@@ -1307,6 +1410,9 @@ static struct task_struct *copy_process(unsigned long clone_flags, - DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled); - #endif - retval = -EAGAIN; -+ -+ gr_learn_resource(p, RLIMIT_NPROC, atomic_read(&p->real_cred->user->processes), 0); -+ - if (atomic_read(&p->real_cred->user->processes) >= - task_rlimit(p, RLIMIT_NPROC)) { - if (p->real_cred->user != INIT_USER && -@@ -1554,6 +1660,11 @@ static struct task_struct *copy_process(unsigned long clone_flags, - goto bad_fork_free_pid; - } - -+ /* synchronizes with gr_set_acls() -+ we need to call this past the point of no return for fork() -+ */ -+ gr_copy_label(p); -+ - if (likely(p->pid)) { - ptrace_init_task(p, (clone_flags & CLONE_PTRACE) || trace); - -@@ -1643,6 +1754,8 @@ bad_fork_cleanup_count: - bad_fork_free: - free_task(p); - fork_out: -+ gr_log_forkfail(retval); -+ - return ERR_PTR(retval); - } - -@@ -1704,6 +1817,7 @@ long do_fork(unsigned long clone_flags, - - p = copy_process(clone_flags, stack_start, stack_size, - child_tidptr, NULL, trace); -+ add_latent_entropy(); - /* - * Do this prior waking up the new thread - the thread pointer - * might get invalid after that point, if the thread exits quickly. -@@ -1720,6 +1834,8 @@ long do_fork(unsigned long clone_flags, - if (clone_flags & CLONE_PARENT_SETTID) - put_user(nr, parent_tidptr); - -+ gr_handle_brute_check(); -+ - if (clone_flags & CLONE_VFORK) { - p->vfork_done = &vfork; - init_completion(&vfork); -@@ -1838,7 +1954,7 @@ void __init proc_caches_init(void) - mm_cachep = kmem_cache_create("mm_struct", - sizeof(struct mm_struct), ARCH_MIN_MMSTRUCT_ALIGN, - SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_NOTRACK, NULL); -- vm_area_cachep = KMEM_CACHE(vm_area_struct, SLAB_PANIC); -+ vm_area_cachep = KMEM_CACHE(vm_area_struct, SLAB_PANIC | SLAB_NO_SANITIZE); - mmap_init(); - nsproxy_cache_init(); - } -@@ -1878,7 +1994,7 @@ static int unshare_fs(unsigned long unshare_flags, struct fs_struct **new_fsp) - return 0; - - /* don't need lock here; in the worst case we'll do useless copy */ -- if (fs->users == 1) -+ if (atomic_read(&fs->users) == 1) - return 0; - - *new_fsp = copy_fs_struct(fs); -@@ -1990,7 +2106,8 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags) - fs = current->fs; - spin_lock(&fs->lock); - current->fs = new_fs; -- if (--fs->users) -+ gr_set_chroot_entries(current, &current->fs->root); -+ if (atomic_dec_return(&fs->users)) - new_fs = NULL; - else - new_fs = fs; -@@ -2054,7 +2171,7 @@ int unshare_files(struct files_struct **displaced) - int sysctl_max_threads(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table t; -+ ctl_table_no_const t; - int ret; - int threads = max_threads; - int min = MIN_THREADS; -diff --git a/kernel/futex.c b/kernel/futex.c -index 2579e40..c33f33e 100644 ---- a/kernel/futex.c -+++ b/kernel/futex.c -@@ -201,7 +201,7 @@ struct futex_pi_state { - atomic_t refcount; - - union futex_key key; --}; -+} __randomize_layout; - - /** - * struct futex_q - The hashed futex queue entry, one per waiting task -@@ -235,7 +235,7 @@ struct futex_q { - struct rt_mutex_waiter *rt_waiter; - union futex_key *requeue_pi_key; - u32 bitset; --}; -+} __randomize_layout; - - static const struct futex_q futex_q_init = { - /* list gets initialized in queue_me()*/ -@@ -402,6 +402,11 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, int rw) - struct page *page, *page_head; - int err, ro = 0; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && address >= SEGMEXEC_TASK_SIZE) -+ return -EFAULT; -+#endif -+ - /* - * The futex address must be "naturally" aligned. - */ -@@ -601,7 +606,7 @@ static int cmpxchg_futex_value_locked(u32 *curval, u32 __user *uaddr, - - static int get_futex_value_locked(u32 *dest, u32 __user *from) - { -- int ret; -+ unsigned long ret; - - pagefault_disable(); - ret = __copy_from_user_inatomic(dest, from, sizeof(u32)); -@@ -3006,6 +3011,7 @@ static void __init futex_detect_cmpxchg(void) - { - #ifndef CONFIG_HAVE_FUTEX_CMPXCHG - u32 curval; -+ mm_segment_t oldfs; - - /* - * This will fail and we want it. Some arch implementations do -@@ -3017,8 +3023,11 @@ static void __init futex_detect_cmpxchg(void) - * implementation, the non-functional ones will return - * -ENOSYS. - */ -+ oldfs = get_fs(); -+ set_fs(USER_DS); - if (cmpxchg_futex_value_locked(&curval, NULL, 0, 0) == -EFAULT) - futex_cmpxchg_enabled = 1; -+ set_fs(oldfs); - #endif - } - -diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c -index 55c8c93..9ba7ad6 100644 ---- a/kernel/futex_compat.c -+++ b/kernel/futex_compat.c -@@ -32,7 +32,7 @@ fetch_robust_entry(compat_uptr_t *uentry, struct robust_list __user **entry, - return 0; - } - --static void __user *futex_uaddr(struct robust_list __user *entry, -+static void __user __intentional_overflow(-1) *futex_uaddr(struct robust_list __user *entry, - compat_long_t futex_offset) - { - compat_uptr_t base = ptr_to_compat(entry); -diff --git a/kernel/gcov/base.c b/kernel/gcov/base.c -index a744098..539f7b6 100644 ---- a/kernel/gcov/base.c -+++ b/kernel/gcov/base.c -@@ -117,11 +117,6 @@ void gcov_enable_events(void) - } - - #ifdef CONFIG_MODULES --static inline int within(void *addr, void *start, unsigned long size) --{ -- return ((addr >= start) && (addr < start + size)); --} -- - /* Update list and generate events when modules are unloaded. */ - static int gcov_module_notifier(struct notifier_block *nb, unsigned long event, - void *data) -@@ -136,7 +131,7 @@ static int gcov_module_notifier(struct notifier_block *nb, unsigned long event, - - /* Remove entries located in module from linked list. */ - while ((info = gcov_info_next(info))) { -- if (within(info, mod->module_core, mod->core_size)) { -+ if (within_module_core_rw((unsigned long)info, mod)) { - gcov_info_unlink(prev, info); - if (gcov_events_enabled) - gcov_event(GCOV_REMOVE, info); -diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c -index e68932b..2247e06 100644 ---- a/kernel/irq/manage.c -+++ b/kernel/irq/manage.c -@@ -906,7 +906,7 @@ static int irq_thread(void *data) - - action_ret = handler_fn(desc, action); - if (action_ret == IRQ_HANDLED) -- atomic_inc(&desc->threads_handled); -+ atomic_inc_unchecked(&desc->threads_handled); - - wake_threads_waitq(desc); - } -diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c -index e2514b0..de3dfe0 100644 ---- a/kernel/irq/spurious.c -+++ b/kernel/irq/spurious.c -@@ -337,7 +337,7 @@ void note_interrupt(unsigned int irq, struct irq_desc *desc, - * count. We just care about the count being - * different than the one we saw before. - */ -- handled = atomic_read(&desc->threads_handled); -+ handled = atomic_read_unchecked(&desc->threads_handled); - handled |= SPURIOUS_DEFERRED; - if (handled != desc->threads_handled_last) { - action_ret = IRQ_HANDLED; -diff --git a/kernel/jump_label.c b/kernel/jump_label.c -index 9019f15..9a3c42e 100644 ---- a/kernel/jump_label.c -+++ b/kernel/jump_label.c -@@ -14,6 +14,7 @@ - #include <linux/err.h> - #include <linux/static_key.h> - #include <linux/jump_label_ratelimit.h> -+#include <linux/mm.h> - - #ifdef HAVE_JUMP_LABEL - -@@ -51,7 +52,9 @@ jump_label_sort_entries(struct jump_entry *start, struct jump_entry *stop) - - size = (((unsigned long)stop - (unsigned long)start) - / sizeof(struct jump_entry)); -+ pax_open_kernel(); - sort(start, size, sizeof(struct jump_entry), jump_label_cmp, NULL); -+ pax_close_kernel(); - } - - static void jump_label_update(struct static_key *key, int enable); -@@ -363,10 +366,12 @@ static void jump_label_invalidate_module_init(struct module *mod) - struct jump_entry *iter_stop = iter_start + mod->num_jump_entries; - struct jump_entry *iter; - -+ pax_open_kernel(); - for (iter = iter_start; iter < iter_stop; iter++) { - if (within_module_init(iter->code, mod)) - iter->code = 0; - } -+ pax_close_kernel(); - } - - static int -diff --git a/kernel/kallsyms.c b/kernel/kallsyms.c -index 5c5987f..bc502b0 100644 ---- a/kernel/kallsyms.c -+++ b/kernel/kallsyms.c -@@ -11,6 +11,9 @@ - * Changed the compression method from stem compression to "table lookup" - * compression (see scripts/kallsyms.c for a more complete description) - */ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+#define __INCLUDED_BY_HIDESYM 1 -+#endif - #include <linux/kallsyms.h> - #include <linux/module.h> - #include <linux/init.h> -@@ -54,12 +57,33 @@ extern const unsigned long kallsyms_markers[] __weak; - - static inline int is_kernel_inittext(unsigned long addr) - { -+ if (system_state != SYSTEM_BOOTING) -+ return 0; -+ - if (addr >= (unsigned long)_sinittext - && addr <= (unsigned long)_einittext) - return 1; - return 0; - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+#ifdef CONFIG_MODULES -+static inline int is_module_text(unsigned long addr) -+{ -+ if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END) -+ return 1; -+ -+ addr = ktla_ktva(addr); -+ return (unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END; -+} -+#else -+static inline int is_module_text(unsigned long addr) -+{ -+ return 0; -+} -+#endif -+#endif -+ - static inline int is_kernel_text(unsigned long addr) - { - if ((addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) || -@@ -70,13 +94,28 @@ static inline int is_kernel_text(unsigned long addr) - - static inline int is_kernel(unsigned long addr) - { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (is_kernel_text(addr) || is_kernel_inittext(addr)) -+ return 1; -+ -+ if (ktla_ktva((unsigned long)_text) <= addr && addr < (unsigned long)_end) -+#else - if (addr >= (unsigned long)_stext && addr <= (unsigned long)_end) -+#endif -+ - return 1; - return in_gate_area_no_mm(addr); - } - - static int is_ksym_addr(unsigned long addr) - { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (is_module_text(addr)) -+ return 0; -+#endif -+ - if (all_var) - return is_kernel(addr); - -@@ -481,7 +520,6 @@ static unsigned long get_ksymbol_core(struct kallsym_iter *iter) - - static void reset_iter(struct kallsym_iter *iter, loff_t new_pos) - { -- iter->name[0] = '\0'; - iter->nameoff = get_symbol_offset(new_pos); - iter->pos = new_pos; - } -@@ -529,6 +567,11 @@ static int s_show(struct seq_file *m, void *p) - { - struct kallsym_iter *iter = m->private; - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ if (!uid_eq(current_uid(), GLOBAL_ROOT_UID)) -+ return 0; -+#endif -+ - /* Some debugging symbols have no name. Ignore them. */ - if (!iter->name[0]) - return 0; -@@ -542,6 +585,7 @@ static int s_show(struct seq_file *m, void *p) - */ - type = iter->exported ? toupper(iter->type) : - tolower(iter->type); -+ - seq_printf(m, "%pK %c %s\t[%s]\n", (void *)iter->value, - type, iter->name, iter->module_name); - } else -diff --git a/kernel/kcmp.c b/kernel/kcmp.c -index 0aa69ea..a7fcafb 100644 ---- a/kernel/kcmp.c -+++ b/kernel/kcmp.c -@@ -100,6 +100,10 @@ SYSCALL_DEFINE5(kcmp, pid_t, pid1, pid_t, pid2, int, type, - struct task_struct *task1, *task2; - int ret; - -+#ifdef CONFIG_GRKERNSEC -+ return -ENOSYS; -+#endif -+ - rcu_read_lock(); - - /* -diff --git a/kernel/kexec.c b/kernel/kexec.c -index 7a36fdc..de8c4ed 100644 ---- a/kernel/kexec.c -+++ b/kernel/kexec.c -@@ -1232,7 +1232,7 @@ static int kimage_load_segment(struct kimage *image, - */ - struct kimage *kexec_image; - struct kimage *kexec_crash_image; --int kexec_load_disabled; -+int kexec_load_disabled __read_only; - - static DEFINE_MUTEX(kexec_mutex); - -@@ -1348,7 +1348,8 @@ COMPAT_SYSCALL_DEFINE4(kexec_load, compat_ulong_t, entry, - compat_ulong_t, flags) - { - struct compat_kexec_segment in; -- struct kexec_segment out, __user *ksegments; -+ struct kexec_segment out; -+ struct kexec_segment __user *ksegments; - unsigned long i, result; - - /* Don't allow clients that don't understand the native -diff --git a/kernel/kmod.c b/kernel/kmod.c -index 2777f40..a689506 100644 ---- a/kernel/kmod.c -+++ b/kernel/kmod.c -@@ -68,7 +68,7 @@ static void free_modprobe_argv(struct subprocess_info *info) - kfree(info->argv); - } - --static int call_modprobe(char *module_name, int wait) -+static int call_modprobe(char *module_name, char *module_param, int wait) - { - struct subprocess_info *info; - static char *envp[] = { -@@ -78,7 +78,7 @@ static int call_modprobe(char *module_name, int wait) - NULL - }; - -- char **argv = kmalloc(sizeof(char *[5]), GFP_KERNEL); -+ char **argv = kmalloc(sizeof(char *[6]), GFP_KERNEL); - if (!argv) - goto out; - -@@ -90,7 +90,8 @@ static int call_modprobe(char *module_name, int wait) - argv[1] = "-q"; - argv[2] = "--"; - argv[3] = module_name; /* check free_modprobe_argv() */ -- argv[4] = NULL; -+ argv[4] = module_param; -+ argv[5] = NULL; - - info = call_usermodehelper_setup(modprobe_path, argv, envp, GFP_KERNEL, - NULL, free_modprobe_argv, NULL); -@@ -122,9 +123,8 @@ out: - * If module auto-loading support is disabled then this function - * becomes a no-operation. - */ --int __request_module(bool wait, const char *fmt, ...) -+static int ____request_module(bool wait, char *module_param, const char *fmt, va_list ap) - { -- va_list args; - char module_name[MODULE_NAME_LEN]; - unsigned int max_modprobes; - int ret; -@@ -143,9 +143,7 @@ int __request_module(bool wait, const char *fmt, ...) - if (!modprobe_path[0]) - return 0; - -- va_start(args, fmt); -- ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, args); -- va_end(args); -+ ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, ap); - if (ret >= MODULE_NAME_LEN) - return -ENAMETOOLONG; - -@@ -153,6 +151,20 @@ int __request_module(bool wait, const char *fmt, ...) - if (ret) - return ret; - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (uid_eq(current_uid(), GLOBAL_ROOT_UID)) { -+ /* hack to workaround consolekit/udisks stupidity */ -+ read_lock(&tasklist_lock); -+ if (!strcmp(current->comm, "mount") && -+ current->real_parent && !strncmp(current->real_parent->comm, "udisk", 5)) { -+ read_unlock(&tasklist_lock); -+ printk(KERN_ALERT "grsec: denied attempt to auto-load fs module %.64s by udisks\n", module_name); -+ return -EPERM; -+ } -+ read_unlock(&tasklist_lock); -+ } -+#endif -+ - /* If modprobe needs a service that is in a module, we get a recursive - * loop. Limit the number of running kmod threads to max_threads/2 or - * MAX_KMOD_CONCURRENT, whichever is the smaller. A cleaner method -@@ -181,16 +193,61 @@ int __request_module(bool wait, const char *fmt, ...) - - trace_module_request(module_name, wait, _RET_IP_); - -- ret = call_modprobe(module_name, wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC); -+ ret = call_modprobe(module_name, module_param, wait ? UMH_WAIT_PROC : UMH_WAIT_EXEC); - - atomic_dec(&kmod_concurrent); - return ret; - } -+ -+int ___request_module(bool wait, char *module_param, const char *fmt, ...) -+{ -+ va_list args; -+ int ret; -+ -+ va_start(args, fmt); -+ ret = ____request_module(wait, module_param, fmt, args); -+ va_end(args); -+ -+ return ret; -+} -+ -+int __request_module(bool wait, const char *fmt, ...) -+{ -+ va_list args; -+ int ret; -+ -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (!uid_eq(current_uid(), GLOBAL_ROOT_UID)) { -+ char module_param[MODULE_NAME_LEN]; -+ -+ memset(module_param, 0, sizeof(module_param)); -+ -+ snprintf(module_param, sizeof(module_param) - 1, "grsec_modharden_normal%u_", GR_GLOBAL_UID(current_uid())); -+ -+ va_start(args, fmt); -+ ret = ____request_module(wait, module_param, fmt, args); -+ va_end(args); -+ -+ return ret; -+ } -+#endif -+ -+ va_start(args, fmt); -+ ret = ____request_module(wait, NULL, fmt, args); -+ va_end(args); -+ -+ return ret; -+} -+ - EXPORT_SYMBOL(__request_module); - #endif /* CONFIG_MODULES */ - - static void call_usermodehelper_freeinfo(struct subprocess_info *info) - { -+#ifdef CONFIG_GRKERNSEC -+ kfree(info->path); -+ info->path = info->origpath; -+#endif - if (info->cleanup) - (*info->cleanup)(info); - kfree(info); -@@ -232,6 +289,21 @@ static int ____call_usermodehelper(void *data) - */ - set_user_nice(current, 0); - -+#ifdef CONFIG_GRKERNSEC -+ /* this is race-free as far as userland is concerned as we copied -+ out the path to be used prior to this point and are now operating -+ on that copy -+ */ -+ if ((strncmp(sub_info->path, "/sbin/", 6) && strncmp(sub_info->path, "/usr/lib/", 9) && -+ strncmp(sub_info->path, "/lib/", 5) && strncmp(sub_info->path, "/lib64/", 7) && -+ strncmp(sub_info->path, "/usr/libexec/", 13) && strncmp(sub_info->path, "/usr/bin/", 9) && -+ strcmp(sub_info->path, "/usr/share/apport/apport")) || strstr(sub_info->path, "..")) { -+ printk(KERN_ALERT "grsec: denied exec of usermode helper binary %.950s located outside of permitted system paths\n", sub_info->path); -+ retval = -EPERM; -+ goto out; -+ } -+#endif -+ - retval = -ENOMEM; - new = prepare_kernel_cred(current); - if (!new) -@@ -254,8 +326,8 @@ static int ____call_usermodehelper(void *data) - commit_creds(new); - - retval = do_execve(getname_kernel(sub_info->path), -- (const char __user *const __user *)sub_info->argv, -- (const char __user *const __user *)sub_info->envp); -+ (const char __user *const __force_user *)sub_info->argv, -+ (const char __user *const __force_user *)sub_info->envp); - out: - sub_info->retval = retval; - /* wait_for_helper() will call umh_complete if UHM_WAIT_PROC. */ -@@ -288,7 +360,7 @@ static int wait_for_helper(void *data) - * - * Thus the __user pointer cast is valid here. - */ -- sys_wait4(pid, (int __user *)&ret, 0, NULL); -+ sys_wait4(pid, (int __force_user *)&ret, 0, NULL); - - /* - * If ret is 0, either ____call_usermodehelper failed and the -@@ -510,7 +582,12 @@ struct subprocess_info *call_usermodehelper_setup(char *path, char **argv, - goto out; - - INIT_WORK(&sub_info->work, __call_usermodehelper); -+#ifdef CONFIG_GRKERNSEC -+ sub_info->origpath = path; -+ sub_info->path = kstrdup(path, gfp_mask); -+#else - sub_info->path = path; -+#endif - sub_info->argv = argv; - sub_info->envp = envp; - -@@ -612,7 +689,7 @@ EXPORT_SYMBOL(call_usermodehelper); - static int proc_cap_handler(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table t; -+ ctl_table_no_const t; - unsigned long cap_array[_KERNEL_CAPABILITY_U32S]; - kernel_cap_t new_cap; - int err, i; -diff --git a/kernel/kprobes.c b/kernel/kprobes.c -index c90e417..e6c515d 100644 ---- a/kernel/kprobes.c -+++ b/kernel/kprobes.c -@@ -31,6 +31,9 @@ - * jkenisto@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> -@@ -122,12 +125,12 @@ enum kprobe_slot_state { - - static void *alloc_insn_page(void) - { -- return module_alloc(PAGE_SIZE); -+ return module_alloc_exec(PAGE_SIZE); - } - - static void free_insn_page(void *page) - { -- module_memfree(page); -+ module_memfree_exec(page); - } - - struct kprobe_insn_cache kprobe_insn_slots = { -@@ -2198,11 +2201,11 @@ static void report_probe(struct seq_file *pi, struct kprobe *p, - kprobe_type = "k"; - - if (sym) -- seq_printf(pi, "%p %s %s+0x%x %s ", -+ seq_printf(pi, "%pK %s %s+0x%x %s ", - p->addr, kprobe_type, sym, offset, - (modname ? modname : " ")); - else -- seq_printf(pi, "%p %s %p ", -+ seq_printf(pi, "%pK %s %pK ", - p->addr, kprobe_type, p->addr); - - if (!pp) -diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c -index 6683cce..daf8999 100644 ---- a/kernel/ksysfs.c -+++ b/kernel/ksysfs.c -@@ -50,6 +50,8 @@ static ssize_t uevent_helper_store(struct kobject *kobj, - { - if (count+1 > UEVENT_HELPER_PATH_LEN) - return -ENOENT; -+ if (!capable(CAP_SYS_ADMIN)) -+ return -EPERM; - memcpy(uevent_helper, buf, count); - uevent_helper[count] = '\0'; - if (count && uevent_helper[count-1] == '\n') -@@ -176,7 +178,7 @@ static ssize_t notes_read(struct file *filp, struct kobject *kobj, - return count; - } - --static struct bin_attribute notes_attr = { -+static bin_attribute_no_const notes_attr __read_only = { - .attr = { - .name = "notes", - .mode = S_IRUGO, -diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c -index aaeae88..10f3663 100644 ---- a/kernel/locking/lockdep.c -+++ b/kernel/locking/lockdep.c -@@ -613,6 +613,10 @@ static int static_obj(void *obj) - end = (unsigned long) &_end, - addr = (unsigned long) obj; - -+#ifdef CONFIG_PAX_KERNEXEC -+ start = ktla_ktva(start); -+#endif -+ - /* - * static variable? - */ -@@ -757,6 +761,7 @@ register_lock_class(struct lockdep_map *lock, unsigned int subclass, int force) - if (!static_obj(lock->key)) { - debug_locks_off(); - printk("INFO: trying to register non-static key.\n"); -+ printk("lock:%pS key:%pS.\n", lock, lock->key); - printk("the code is fine but needs lockdep annotation.\n"); - printk("turning off the locking correctness validator.\n"); - dump_stack(); -@@ -3102,7 +3107,7 @@ static int __lock_acquire(struct lockdep_map *lock, unsigned int subclass, - if (!class) - return 0; - } -- atomic_inc((atomic_t *)&class->ops); -+ atomic_long_inc_unchecked((atomic_long_unchecked_t *)&class->ops); - if (very_verbose(class)) { - printk("\nacquire class [%p] %s", class->key, class->name); - if (class->name_version > 1) -diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c -index d83d798..ea3120d 100644 ---- a/kernel/locking/lockdep_proc.c -+++ b/kernel/locking/lockdep_proc.c -@@ -65,7 +65,7 @@ static int l_show(struct seq_file *m, void *v) - return 0; - } - -- seq_printf(m, "%p", class->key); -+ seq_printf(m, "%pK", class->key); - #ifdef CONFIG_DEBUG_LOCKDEP - seq_printf(m, " OPS:%8ld", class->ops); - #endif -@@ -83,7 +83,7 @@ static int l_show(struct seq_file *m, void *v) - - list_for_each_entry(entry, &class->locks_after, entry) { - if (entry->distance == 1) { -- seq_printf(m, " -> [%p] ", entry->class->key); -+ seq_printf(m, " -> [%pK] ", entry->class->key); - print_name(m, entry->class); - seq_puts(m, "\n"); - } -@@ -152,7 +152,7 @@ static int lc_show(struct seq_file *m, void *v) - if (!class->key) - continue; - -- seq_printf(m, "[%p] ", class->key); -+ seq_printf(m, "[%pK] ", class->key); - print_name(m, class); - seq_puts(m, "\n"); - } -@@ -508,7 +508,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data) - if (!i) - seq_line(m, '-', 40-namelen, namelen); - -- snprintf(ip, sizeof(ip), "[<%p>]", -+ snprintf(ip, sizeof(ip), "[<%pK>]", - (void *)class->contention_point[i]); - seq_printf(m, "%40s %14lu %29s %pS\n", - name, stats->contention_point[i], -@@ -523,7 +523,7 @@ static void seq_stats(struct seq_file *m, struct lock_stat_data *data) - if (!i) - seq_line(m, '-', 40-namelen, namelen); - -- snprintf(ip, sizeof(ip), "[<%p>]", -+ snprintf(ip, sizeof(ip), "[<%pK>]", - (void *)class->contending_point[i]); - seq_printf(m, "%40s %14lu %29s %pS\n", - name, stats->contending_point[i], -diff --git a/kernel/locking/mutex-debug.c b/kernel/locking/mutex-debug.c -index 3ef3736..9c951fa 100644 ---- a/kernel/locking/mutex-debug.c -+++ b/kernel/locking/mutex-debug.c -@@ -49,21 +49,21 @@ void debug_mutex_free_waiter(struct mutex_waiter *waiter) - } - - void debug_mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter, -- struct thread_info *ti) -+ struct task_struct *task) - { - SMP_DEBUG_LOCKS_WARN_ON(!spin_is_locked(&lock->wait_lock)); - - /* Mark the current thread as blocked on the lock: */ -- ti->task->blocked_on = waiter; -+ task->blocked_on = waiter; - } - - void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, -- struct thread_info *ti) -+ struct task_struct *task) - { - DEBUG_LOCKS_WARN_ON(list_empty(&waiter->list)); -- DEBUG_LOCKS_WARN_ON(waiter->task != ti->task); -- DEBUG_LOCKS_WARN_ON(ti->task->blocked_on != waiter); -- ti->task->blocked_on = NULL; -+ DEBUG_LOCKS_WARN_ON(waiter->task != task); -+ DEBUG_LOCKS_WARN_ON(task->blocked_on != waiter); -+ task->blocked_on = NULL; - - list_del_init(&waiter->list); - waiter->task = NULL; -diff --git a/kernel/locking/mutex-debug.h b/kernel/locking/mutex-debug.h -index 0799fd3..d06ae3b 100644 ---- a/kernel/locking/mutex-debug.h -+++ b/kernel/locking/mutex-debug.h -@@ -20,9 +20,9 @@ extern void debug_mutex_wake_waiter(struct mutex *lock, - extern void debug_mutex_free_waiter(struct mutex_waiter *waiter); - extern void debug_mutex_add_waiter(struct mutex *lock, - struct mutex_waiter *waiter, -- struct thread_info *ti); -+ struct task_struct *task); - extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, -- struct thread_info *ti); -+ struct task_struct *task); - extern void debug_mutex_unlock(struct mutex *lock); - extern void debug_mutex_init(struct mutex *lock, const char *name, - struct lock_class_key *key); -diff --git a/kernel/locking/mutex.c b/kernel/locking/mutex.c -index 4cccea6..4382db9 100644 ---- a/kernel/locking/mutex.c -+++ b/kernel/locking/mutex.c -@@ -533,7 +533,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass, - goto skip_wait; - - debug_mutex_lock_common(lock, &waiter); -- debug_mutex_add_waiter(lock, &waiter, task_thread_info(task)); -+ debug_mutex_add_waiter(lock, &waiter, task); - - /* add waiting tasks to the end of the waitqueue (FIFO): */ - list_add_tail(&waiter.list, &lock->wait_list); -@@ -580,7 +580,7 @@ __mutex_lock_common(struct mutex *lock, long state, unsigned int subclass, - } - __set_task_state(task, TASK_RUNNING); - -- mutex_remove_waiter(lock, &waiter, current_thread_info()); -+ mutex_remove_waiter(lock, &waiter, task); - /* set it to 0 if there are no waiters left: */ - if (likely(list_empty(&lock->wait_list))) - atomic_set(&lock->count, 0); -@@ -601,7 +601,7 @@ skip_wait: - return 0; - - err: -- mutex_remove_waiter(lock, &waiter, task_thread_info(task)); -+ mutex_remove_waiter(lock, &waiter, task); - spin_unlock_mutex(&lock->wait_lock, flags); - debug_mutex_free_waiter(&waiter); - mutex_release(&lock->dep_map, 1, ip); -diff --git a/kernel/locking/rtmutex-tester.c b/kernel/locking/rtmutex-tester.c -index 1d96dd0..994ff19 100644 ---- a/kernel/locking/rtmutex-tester.c -+++ b/kernel/locking/rtmutex-tester.c -@@ -22,7 +22,7 @@ - #define MAX_RT_TEST_MUTEXES 8 - - static spinlock_t rttest_lock; --static atomic_t rttest_event; -+static atomic_unchecked_t rttest_event; - - struct test_thread_data { - int opcode; -@@ -63,7 +63,7 @@ static int handle_op(struct test_thread_data *td, int lockwakeup) - - case RTTEST_LOCKCONT: - td->mutexes[td->opdata] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - return 0; - - case RTTEST_RESET: -@@ -76,7 +76,7 @@ static int handle_op(struct test_thread_data *td, int lockwakeup) - return 0; - - case RTTEST_RESETEVENT: -- atomic_set(&rttest_event, 0); -+ atomic_set_unchecked(&rttest_event, 0); - return 0; - - default: -@@ -93,9 +93,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup) - return ret; - - td->mutexes[id] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - rt_mutex_lock(&mutexes[id]); -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - td->mutexes[id] = 4; - return 0; - -@@ -106,9 +106,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup) - return ret; - - td->mutexes[id] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - ret = rt_mutex_lock_interruptible(&mutexes[id], 0); -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - td->mutexes[id] = ret ? 0 : 4; - return ret ? -EINTR : 0; - -@@ -117,9 +117,9 @@ static int handle_op(struct test_thread_data *td, int lockwakeup) - if (id < 0 || id >= MAX_RT_TEST_MUTEXES || td->mutexes[id] != 4) - return ret; - -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - rt_mutex_unlock(&mutexes[id]); -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - td->mutexes[id] = 0; - return 0; - -@@ -166,7 +166,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex) - break; - - td->mutexes[dat] = 2; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - break; - - default: -@@ -186,7 +186,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex) - return; - - td->mutexes[dat] = 3; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - break; - - case RTTEST_LOCKNOWAIT: -@@ -198,7 +198,7 @@ void schedule_rt_mutex_test(struct rt_mutex *mutex) - return; - - td->mutexes[dat] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - return; - - default: -diff --git a/kernel/module.c b/kernel/module.c -index cfc9e84..a058697 100644 ---- a/kernel/module.c -+++ b/kernel/module.c -@@ -59,6 +59,7 @@ - #include <linux/jump_label.h> - #include <linux/pfn.h> - #include <linux/bsearch.h> -+#include <linux/grsecurity.h> - #include <uapi/linux/module.h> - #include "module-internal.h" - -@@ -145,7 +146,7 @@ module_param(sig_enforce, bool_enable_only, 0644); - #endif /* CONFIG_MODULE_SIG */ - - /* Block module loading/unloading? */ --int modules_disabled = 0; -+int modules_disabled __read_only = 0; - core_param(nomodule, modules_disabled, bint, 0); - - /* Waiting for a module to finish initializing? */ -@@ -155,7 +156,8 @@ static BLOCKING_NOTIFIER_HEAD(module_notify_list); - - /* Bounds of module allocation, for speeding __module_address. - * Protected by module_mutex. */ --static unsigned long module_addr_min = -1UL, module_addr_max = 0; -+static unsigned long module_addr_min_rw = -1UL, module_addr_max_rw = 0; -+static unsigned long module_addr_min_rx = -1UL, module_addr_max_rx = 0; - - int register_module_notifier(struct notifier_block *nb) - { -@@ -322,7 +324,7 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr, - return true; - - list_for_each_entry_rcu(mod, &modules, list) { -- struct symsearch arr[] = { -+ struct symsearch modarr[] = { - { mod->syms, mod->syms + mod->num_syms, mod->crcs, - NOT_GPL_ONLY, false }, - { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms, -@@ -347,7 +349,7 @@ bool each_symbol_section(bool (*fn)(const struct symsearch *arr, - if (mod->state == MODULE_STATE_UNFORMED) - continue; - -- if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data)) -+ if (each_symbol_in_section(modarr, ARRAY_SIZE(modarr), mod, fn, data)) - return true; - } - return false; -@@ -487,7 +489,7 @@ static int percpu_modalloc(struct module *mod, struct load_info *info) - if (!pcpusec->sh_size) - return 0; - -- if (align > PAGE_SIZE) { -+ if (align-1 >= PAGE_SIZE) { - pr_warn("%s: per-cpu alignment %li > %li\n", - mod->name, align, PAGE_SIZE); - align = PAGE_SIZE; -@@ -1053,7 +1055,7 @@ struct module_attribute module_uevent = - static ssize_t show_coresize(struct module_attribute *mattr, - struct module_kobject *mk, char *buffer) - { -- return sprintf(buffer, "%u\n", mk->mod->core_size); -+ return sprintf(buffer, "%u\n", mk->mod->core_size_rx + mk->mod->core_size_rw); - } - - static struct module_attribute modinfo_coresize = -@@ -1062,7 +1064,7 @@ static struct module_attribute modinfo_coresize = - static ssize_t show_initsize(struct module_attribute *mattr, - struct module_kobject *mk, char *buffer) - { -- return sprintf(buffer, "%u\n", mk->mod->init_size); -+ return sprintf(buffer, "%u\n", mk->mod->init_size_rx + mk->mod->init_size_rw); - } - - static struct module_attribute modinfo_initsize = -@@ -1154,12 +1156,29 @@ static int check_version(Elf_Shdr *sechdrs, - goto bad_version; - } - -+#ifdef CONFIG_GRKERNSEC_RANDSTRUCT -+ /* -+ * avoid potentially printing jibberish on attempted load -+ * of a module randomized with a different seed -+ */ -+ pr_warn("no symbol version for %s\n", symname); -+#else - pr_warn("%s: no symbol version for %s\n", mod->name, symname); -+#endif - return 0; - - bad_version: -+#ifdef CONFIG_GRKERNSEC_RANDSTRUCT -+ /* -+ * avoid potentially printing jibberish on attempted load -+ * of a module randomized with a different seed -+ */ -+ pr_warn("attempted module disagrees about version of symbol %s\n", -+ symname); -+#else - pr_warn("%s: disagrees about version of symbol %s\n", - mod->name, symname); -+#endif - return 0; - } - -@@ -1281,7 +1300,7 @@ resolve_symbol_wait(struct module *mod, - */ - #ifdef CONFIG_SYSFS - --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - static inline bool sect_empty(const Elf_Shdr *sect) - { - return !(sect->sh_flags & SHF_ALLOC) || sect->sh_size == 0; -@@ -1419,7 +1438,7 @@ static void add_notes_attrs(struct module *mod, const struct load_info *info) - { - unsigned int notes, loaded, i; - struct module_notes_attrs *notes_attrs; -- struct bin_attribute *nattr; -+ bin_attribute_no_const *nattr; - - /* failed to create section attributes, so can't create notes */ - if (!mod->sect_attrs) -@@ -1531,7 +1550,7 @@ static void del_usage_links(struct module *mod) - static int module_add_modinfo_attrs(struct module *mod) - { - struct module_attribute *attr; -- struct module_attribute *temp_attr; -+ module_attribute_no_const *temp_attr; - int error = 0; - int i; - -@@ -1741,21 +1760,21 @@ static void set_section_ro_nx(void *base, - - static void unset_module_core_ro_nx(struct module *mod) - { -- set_page_attributes(mod->module_core + mod->core_text_size, -- mod->module_core + mod->core_size, -+ set_page_attributes(mod->module_core_rw, -+ mod->module_core_rw + mod->core_size_rw, - set_memory_x); -- set_page_attributes(mod->module_core, -- mod->module_core + mod->core_ro_size, -+ set_page_attributes(mod->module_core_rx, -+ mod->module_core_rx + mod->core_size_rx, - set_memory_rw); - } - - static void unset_module_init_ro_nx(struct module *mod) - { -- set_page_attributes(mod->module_init + mod->init_text_size, -- mod->module_init + mod->init_size, -+ set_page_attributes(mod->module_init_rw, -+ mod->module_init_rw + mod->init_size_rw, - set_memory_x); -- set_page_attributes(mod->module_init, -- mod->module_init + mod->init_ro_size, -+ set_page_attributes(mod->module_init_rx, -+ mod->module_init_rx + mod->init_size_rx, - set_memory_rw); - } - -@@ -1768,14 +1787,14 @@ void set_all_modules_text_rw(void) - list_for_each_entry_rcu(mod, &modules, list) { - if (mod->state == MODULE_STATE_UNFORMED) - continue; -- if ((mod->module_core) && (mod->core_text_size)) { -- set_page_attributes(mod->module_core, -- mod->module_core + mod->core_text_size, -+ if ((mod->module_core_rx) && (mod->core_size_rx)) { -+ set_page_attributes(mod->module_core_rx, -+ mod->module_core_rx + mod->core_size_rx, - set_memory_rw); - } -- if ((mod->module_init) && (mod->init_text_size)) { -- set_page_attributes(mod->module_init, -- mod->module_init + mod->init_text_size, -+ if ((mod->module_init_rx) && (mod->init_size_rx)) { -+ set_page_attributes(mod->module_init_rx, -+ mod->module_init_rx + mod->init_size_rx, - set_memory_rw); - } - } -@@ -1791,14 +1810,14 @@ void set_all_modules_text_ro(void) - list_for_each_entry_rcu(mod, &modules, list) { - if (mod->state == MODULE_STATE_UNFORMED) - continue; -- if ((mod->module_core) && (mod->core_text_size)) { -- set_page_attributes(mod->module_core, -- mod->module_core + mod->core_text_size, -+ if ((mod->module_core_rx) && (mod->core_size_rx)) { -+ set_page_attributes(mod->module_core_rx, -+ mod->module_core_rx + mod->core_size_rx, - set_memory_ro); - } -- if ((mod->module_init) && (mod->init_text_size)) { -- set_page_attributes(mod->module_init, -- mod->module_init + mod->init_text_size, -+ if ((mod->module_init_rx) && (mod->init_size_rx)) { -+ set_page_attributes(mod->module_init_rx, -+ mod->module_init_rx + mod->init_size_rx, - set_memory_ro); - } - } -@@ -1807,7 +1826,15 @@ void set_all_modules_text_ro(void) - #else - static inline void set_section_ro_nx(void *base, unsigned long text_size, unsigned long ro_size, unsigned long total_size) { } - static void unset_module_core_ro_nx(struct module *mod) { } --static void unset_module_init_ro_nx(struct module *mod) { } -+static void unset_module_init_ro_nx(struct module *mod) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ set_memory_nx((unsigned long)mod->module_init_rx, PFN_UP(mod->init_size_rx)); -+ set_memory_rw((unsigned long)mod->module_init_rx, PFN_UP(mod->init_size_rx)); -+#endif -+ -+} - #endif - - void __weak module_memfree(void *module_region) -@@ -1861,16 +1888,19 @@ static void free_module(struct module *mod) - /* This may be NULL, but that's OK */ - unset_module_init_ro_nx(mod); - module_arch_freeing_init(mod); -- module_memfree(mod->module_init); -+ module_memfree(mod->module_init_rw); -+ module_memfree_exec(mod->module_init_rx); - kfree(mod->args); - percpu_modfree(mod); - - /* Free lock-classes; relies on the preceding sync_rcu(). */ -- lockdep_free_key_range(mod->module_core, mod->core_size); -+ lockdep_free_key_range(mod->module_core_rx, mod->core_size_rx); -+ lockdep_free_key_range(mod->module_core_rw, mod->core_size_rw); - - /* Finally, free the core (containing the module structure) */ - unset_module_core_ro_nx(mod); -- module_memfree(mod->module_core); -+ module_memfree_exec(mod->module_core_rx); -+ module_memfree(mod->module_core_rw); - - #ifdef CONFIG_MPU - update_protections(current->mm); -@@ -1939,9 +1969,31 @@ static int simplify_symbols(struct module *mod, const struct load_info *info) - int ret = 0; - const struct kernel_symbol *ksym; - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ int is_fs_load = 0; -+ int register_filesystem_found = 0; -+ char *p; -+ -+ p = strstr(mod->args, "grsec_modharden_fs"); -+ if (p) { -+ char *endptr = p + sizeof("grsec_modharden_fs") - 1; -+ /* copy \0 as well */ -+ memmove(p, endptr, strlen(mod->args) - (unsigned int)(endptr - mod->args) + 1); -+ is_fs_load = 1; -+ } -+#endif -+ - for (i = 1; i < symsec->sh_size / sizeof(Elf_Sym); i++) { - const char *name = info->strtab + sym[i].st_name; - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ /* it's a real shame this will never get ripped and copied -+ upstream! ;( -+ */ -+ if (is_fs_load && !strcmp(name, "register_filesystem")) -+ register_filesystem_found = 1; -+#endif -+ - switch (sym[i].st_shndx) { - case SHN_COMMON: - /* Ignore common symbols */ -@@ -1966,7 +2018,9 @@ static int simplify_symbols(struct module *mod, const struct load_info *info) - ksym = resolve_symbol_wait(mod, info, name); - /* Ok if resolved. */ - if (ksym && !IS_ERR(ksym)) { -+ pax_open_kernel(); - sym[i].st_value = ksym->value; -+ pax_close_kernel(); - break; - } - -@@ -1985,11 +2039,20 @@ static int simplify_symbols(struct module *mod, const struct load_info *info) - secbase = (unsigned long)mod_percpu(mod); - else - secbase = info->sechdrs[sym[i].st_shndx].sh_addr; -+ pax_open_kernel(); - sym[i].st_value += secbase; -+ pax_close_kernel(); - break; - } - } - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (is_fs_load && !register_filesystem_found) { -+ printk(KERN_ALERT "grsec: Denied attempt to load non-fs module %.64s through mount\n", mod->name); -+ ret = -EPERM; -+ } -+#endif -+ - return ret; - } - -@@ -2073,22 +2136,12 @@ static void layout_sections(struct module *mod, struct load_info *info) - || s->sh_entsize != ~0UL - || strstarts(sname, ".init")) - continue; -- s->sh_entsize = get_offset(mod, &mod->core_size, s, i); -+ if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC)) -+ s->sh_entsize = get_offset(mod, &mod->core_size_rw, s, i); -+ else -+ s->sh_entsize = get_offset(mod, &mod->core_size_rx, s, i); - pr_debug("\t%s\n", sname); - } -- switch (m) { -- case 0: /* executable */ -- mod->core_size = debug_align(mod->core_size); -- mod->core_text_size = mod->core_size; -- break; -- case 1: /* RO: text and ro-data */ -- mod->core_size = debug_align(mod->core_size); -- mod->core_ro_size = mod->core_size; -- break; -- case 3: /* whole core */ -- mod->core_size = debug_align(mod->core_size); -- break; -- } - } - - pr_debug("Init section allocation order:\n"); -@@ -2102,23 +2155,13 @@ static void layout_sections(struct module *mod, struct load_info *info) - || s->sh_entsize != ~0UL - || !strstarts(sname, ".init")) - continue; -- s->sh_entsize = (get_offset(mod, &mod->init_size, s, i) -- | INIT_OFFSET_MASK); -+ if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC)) -+ s->sh_entsize = get_offset(mod, &mod->init_size_rw, s, i); -+ else -+ s->sh_entsize = get_offset(mod, &mod->init_size_rx, s, i); -+ s->sh_entsize |= INIT_OFFSET_MASK; - pr_debug("\t%s\n", sname); - } -- switch (m) { -- case 0: /* executable */ -- mod->init_size = debug_align(mod->init_size); -- mod->init_text_size = mod->init_size; -- break; -- case 1: /* RO: text and ro-data */ -- mod->init_size = debug_align(mod->init_size); -- mod->init_ro_size = mod->init_size; -- break; -- case 3: /* whole init */ -- mod->init_size = debug_align(mod->init_size); -- break; -- } - } - } - -@@ -2291,7 +2334,7 @@ static void layout_symtab(struct module *mod, struct load_info *info) - - /* Put symbol section at end of init part of module. */ - symsect->sh_flags |= SHF_ALLOC; -- symsect->sh_entsize = get_offset(mod, &mod->init_size, symsect, -+ symsect->sh_entsize = get_offset(mod, &mod->init_size_rx, symsect, - info->index.sym) | INIT_OFFSET_MASK; - pr_debug("\t%s\n", info->secstrings + symsect->sh_name); - -@@ -2308,16 +2351,16 @@ static void layout_symtab(struct module *mod, struct load_info *info) - } - - /* Append room for core symbols at end of core part. */ -- info->symoffs = ALIGN(mod->core_size, symsect->sh_addralign ?: 1); -- info->stroffs = mod->core_size = info->symoffs + ndst * sizeof(Elf_Sym); -- mod->core_size += strtab_size; -- mod->core_size = debug_align(mod->core_size); -+ info->symoffs = ALIGN(mod->core_size_rx, symsect->sh_addralign ?: 1); -+ info->stroffs = mod->core_size_rx = info->symoffs + ndst * sizeof(Elf_Sym); -+ mod->core_size_rx += strtab_size; -+ mod->core_size_rx = debug_align(mod->core_size_rx); - - /* Put string table section at end of init part of module. */ - strsect->sh_flags |= SHF_ALLOC; -- strsect->sh_entsize = get_offset(mod, &mod->init_size, strsect, -+ strsect->sh_entsize = get_offset(mod, &mod->init_size_rx, strsect, - info->index.str) | INIT_OFFSET_MASK; -- mod->init_size = debug_align(mod->init_size); -+ mod->init_size_rx = debug_align(mod->init_size_rx); - pr_debug("\t%s\n", info->secstrings + strsect->sh_name); - } - -@@ -2334,12 +2377,14 @@ static void add_kallsyms(struct module *mod, const struct load_info *info) - /* Make sure we get permanent strtab: don't use info->strtab. */ - mod->strtab = (void *)info->sechdrs[info->index.str].sh_addr; - -+ pax_open_kernel(); -+ - /* Set types up while we still have access to sections. */ - for (i = 0; i < mod->num_symtab; i++) - mod->symtab[i].st_info = elf_type(&mod->symtab[i], info); - -- mod->core_symtab = dst = mod->module_core + info->symoffs; -- mod->core_strtab = s = mod->module_core + info->stroffs; -+ mod->core_symtab = dst = mod->module_core_rx + info->symoffs; -+ mod->core_strtab = s = mod->module_core_rx + info->stroffs; - src = mod->symtab; - for (ndst = i = 0; i < mod->num_symtab; i++) { - if (i == 0 || -@@ -2351,6 +2396,8 @@ static void add_kallsyms(struct module *mod, const struct load_info *info) - } - } - mod->core_num_syms = ndst; -+ -+ pax_close_kernel(); - } - #else - static inline void layout_symtab(struct module *mod, struct load_info *info) -@@ -2384,17 +2431,33 @@ void * __weak module_alloc(unsigned long size) - return vmalloc_exec(size); - } - --static void *module_alloc_update_bounds(unsigned long size) -+static void *module_alloc_update_bounds_rw(unsigned long size) - { - void *ret = module_alloc(size); - - if (ret) { - mutex_lock(&module_mutex); - /* Update module bounds. */ -- if ((unsigned long)ret < module_addr_min) -- module_addr_min = (unsigned long)ret; -- if ((unsigned long)ret + size > module_addr_max) -- module_addr_max = (unsigned long)ret + size; -+ if ((unsigned long)ret < module_addr_min_rw) -+ module_addr_min_rw = (unsigned long)ret; -+ if ((unsigned long)ret + size > module_addr_max_rw) -+ module_addr_max_rw = (unsigned long)ret + size; -+ mutex_unlock(&module_mutex); -+ } -+ return ret; -+} -+ -+static void *module_alloc_update_bounds_rx(unsigned long size) -+{ -+ void *ret = module_alloc_exec(size); -+ -+ if (ret) { -+ mutex_lock(&module_mutex); -+ /* Update module bounds. */ -+ if ((unsigned long)ret < module_addr_min_rx) -+ module_addr_min_rx = (unsigned long)ret; -+ if ((unsigned long)ret + size > module_addr_max_rx) -+ module_addr_max_rx = (unsigned long)ret + size; - mutex_unlock(&module_mutex); - } - return ret; -@@ -2666,7 +2729,15 @@ static struct module *setup_load_info(struct load_info *info, int flags) - mod = (void *)info->sechdrs[info->index.mod].sh_addr; - - if (info->index.sym == 0) { -+#ifdef CONFIG_GRKERNSEC_RANDSTRUCT -+ /* -+ * avoid potentially printing jibberish on attempted load -+ * of a module randomized with a different seed -+ */ -+ pr_warn("module has no symbols (stripped?)\n"); -+#else - pr_warn("%s: module has no symbols (stripped?)\n", mod->name); -+#endif - return ERR_PTR(-ENOEXEC); - } - -@@ -2682,8 +2753,14 @@ static struct module *setup_load_info(struct load_info *info, int flags) - static int check_modinfo(struct module *mod, struct load_info *info, int flags) - { - const char *modmagic = get_modinfo(info, "vermagic"); -+ const char *license = get_modinfo(info, "license"); - int err; - -+#ifdef CONFIG_PAX_KERNEXEC_PLUGIN_METHOD_OR -+ if (!license || !license_is_gpl_compatible(license)) -+ return -ENOEXEC; -+#endif -+ - if (flags & MODULE_INIT_IGNORE_VERMAGIC) - modmagic = NULL; - -@@ -2708,7 +2785,7 @@ static int check_modinfo(struct module *mod, struct load_info *info, int flags) - } - - /* Set up license info based on the info section */ -- set_license(mod, get_modinfo(info, "license")); -+ set_license(mod, license); - - return 0; - } -@@ -2805,7 +2882,7 @@ static int move_module(struct module *mod, struct load_info *info) - void *ptr; - - /* Do the allocs. */ -- ptr = module_alloc_update_bounds(mod->core_size); -+ ptr = module_alloc_update_bounds_rw(mod->core_size_rw); - /* - * The pointer to this block is stored in the module structure - * which is inside the block. Just mark it as not being a -@@ -2815,11 +2892,11 @@ static int move_module(struct module *mod, struct load_info *info) - if (!ptr) - return -ENOMEM; - -- memset(ptr, 0, mod->core_size); -- mod->module_core = ptr; -+ memset(ptr, 0, mod->core_size_rw); -+ mod->module_core_rw = ptr; - -- if (mod->init_size) { -- ptr = module_alloc_update_bounds(mod->init_size); -+ if (mod->init_size_rw) { -+ ptr = module_alloc_update_bounds_rw(mod->init_size_rw); - /* - * The pointer to this block is stored in the module structure - * which is inside the block. This block doesn't need to be -@@ -2828,13 +2905,45 @@ static int move_module(struct module *mod, struct load_info *info) - */ - kmemleak_ignore(ptr); - if (!ptr) { -- module_memfree(mod->module_core); -+ module_memfree(mod->module_core_rw); - return -ENOMEM; - } -- memset(ptr, 0, mod->init_size); -- mod->module_init = ptr; -+ memset(ptr, 0, mod->init_size_rw); -+ mod->module_init_rw = ptr; - } else -- mod->module_init = NULL; -+ mod->module_init_rw = NULL; -+ -+ ptr = module_alloc_update_bounds_rx(mod->core_size_rx); -+ kmemleak_not_leak(ptr); -+ if (!ptr) { -+ if (mod->module_init_rw) -+ module_memfree(mod->module_init_rw); -+ module_memfree(mod->module_core_rw); -+ return -ENOMEM; -+ } -+ -+ pax_open_kernel(); -+ memset(ptr, 0, mod->core_size_rx); -+ pax_close_kernel(); -+ mod->module_core_rx = ptr; -+ -+ if (mod->init_size_rx) { -+ ptr = module_alloc_update_bounds_rx(mod->init_size_rx); -+ kmemleak_ignore(ptr); -+ if (!ptr && mod->init_size_rx) { -+ module_memfree_exec(mod->module_core_rx); -+ if (mod->module_init_rw) -+ module_memfree(mod->module_init_rw); -+ module_memfree(mod->module_core_rw); -+ return -ENOMEM; -+ } -+ -+ pax_open_kernel(); -+ memset(ptr, 0, mod->init_size_rx); -+ pax_close_kernel(); -+ mod->module_init_rx = ptr; -+ } else -+ mod->module_init_rx = NULL; - - /* Transfer each section which specifies SHF_ALLOC */ - pr_debug("final section addresses:\n"); -@@ -2845,16 +2954,45 @@ static int move_module(struct module *mod, struct load_info *info) - if (!(shdr->sh_flags & SHF_ALLOC)) - continue; - -- if (shdr->sh_entsize & INIT_OFFSET_MASK) -- dest = mod->module_init -- + (shdr->sh_entsize & ~INIT_OFFSET_MASK); -- else -- dest = mod->module_core + shdr->sh_entsize; -+ if (shdr->sh_entsize & INIT_OFFSET_MASK) { -+ if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC)) -+ dest = mod->module_init_rw -+ + (shdr->sh_entsize & ~INIT_OFFSET_MASK); -+ else -+ dest = mod->module_init_rx -+ + (shdr->sh_entsize & ~INIT_OFFSET_MASK); -+ } else { -+ if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC)) -+ dest = mod->module_core_rw + shdr->sh_entsize; -+ else -+ dest = mod->module_core_rx + shdr->sh_entsize; -+ } -+ -+ if (shdr->sh_type != SHT_NOBITS) { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_64 -+ if ((shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_EXECINSTR)) -+ set_memory_x((unsigned long)dest, (shdr->sh_size + PAGE_SIZE) >> PAGE_SHIFT); -+#endif -+ if (!(shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_ALLOC)) { -+ pax_open_kernel(); -+ memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size); -+ pax_close_kernel(); -+ } else -+#endif - -- if (shdr->sh_type != SHT_NOBITS) - memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size); -+ } - /* Update sh_addr to point to copy in image. */ -- shdr->sh_addr = (unsigned long)dest; -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ if (shdr->sh_flags & SHF_EXECINSTR) -+ shdr->sh_addr = ktva_ktla((unsigned long)dest); -+ else -+#endif -+ -+ shdr->sh_addr = (unsigned long)dest; - pr_debug("\t0x%lx %s\n", - (long)shdr->sh_addr, info->secstrings + shdr->sh_name); - } -@@ -2911,12 +3049,12 @@ static void flush_module_icache(const struct module *mod) - * Do it before processing of module parameters, so the module - * can provide parameter accessor functions of its own. - */ -- if (mod->module_init) -- flush_icache_range((unsigned long)mod->module_init, -- (unsigned long)mod->module_init -- + mod->init_size); -- flush_icache_range((unsigned long)mod->module_core, -- (unsigned long)mod->module_core + mod->core_size); -+ if (mod->module_init_rx) -+ flush_icache_range((unsigned long)mod->module_init_rx, -+ (unsigned long)mod->module_init_rx -+ + mod->init_size_rx); -+ flush_icache_range((unsigned long)mod->module_core_rx, -+ (unsigned long)mod->module_core_rx + mod->core_size_rx); - - set_fs(old_fs); - } -@@ -2974,8 +3112,10 @@ static void module_deallocate(struct module *mod, struct load_info *info) - { - percpu_modfree(mod); - module_arch_freeing_init(mod); -- module_memfree(mod->module_init); -- module_memfree(mod->module_core); -+ module_memfree_exec(mod->module_init_rx); -+ module_memfree_exec(mod->module_core_rx); -+ module_memfree(mod->module_init_rw); -+ module_memfree(mod->module_core_rw); - } - - int __weak module_finalize(const Elf_Ehdr *hdr, -@@ -2988,7 +3128,9 @@ int __weak module_finalize(const Elf_Ehdr *hdr, - static int post_relocation(struct module *mod, const struct load_info *info) - { - /* Sort exception table now relocations are done. */ -+ pax_open_kernel(); - sort_extable(mod->extable, mod->extable + mod->num_exentries); -+ pax_close_kernel(); - - /* Copy relocated percpu area over. */ - percpu_modcopy(mod, (void *)info->sechdrs[info->index.pcpu].sh_addr, -@@ -3036,13 +3178,15 @@ static void do_mod_ctors(struct module *mod) - /* For freeing module_init on success, in case kallsyms traversing */ - struct mod_initfree { - struct rcu_head rcu; -- void *module_init; -+ void *module_init_rw; -+ void *module_init_rx; - }; - - static void do_free_init(struct rcu_head *head) - { - struct mod_initfree *m = container_of(head, struct mod_initfree, rcu); -- module_memfree(m->module_init); -+ module_memfree(m->module_init_rw); -+ module_memfree_exec(m->module_init_rx); - kfree(m); - } - -@@ -3062,7 +3206,8 @@ static noinline int do_init_module(struct module *mod) - ret = -ENOMEM; - goto fail; - } -- freeinit->module_init = mod->module_init; -+ freeinit->module_init_rw = mod->module_init_rw; -+ freeinit->module_init_rx = mod->module_init_rx; - - /* - * We want to find out whether @mod uses async during init. Clear -@@ -3121,10 +3266,10 @@ static noinline int do_init_module(struct module *mod) - #endif - unset_module_init_ro_nx(mod); - module_arch_freeing_init(mod); -- mod->module_init = NULL; -- mod->init_size = 0; -- mod->init_ro_size = 0; -- mod->init_text_size = 0; -+ mod->module_init_rw = NULL; -+ mod->module_init_rx = NULL; -+ mod->init_size_rw = 0; -+ mod->init_size_rx = 0; - /* - * We want to free module_init, but be aware that kallsyms may be - * walking this with preempt disabled. In all the failure paths, -@@ -3212,16 +3357,16 @@ static int complete_formation(struct module *mod, struct load_info *info) - module_bug_finalize(info->hdr, info->sechdrs, mod); - - /* Set RO and NX regions for core */ -- set_section_ro_nx(mod->module_core, -- mod->core_text_size, -- mod->core_ro_size, -- mod->core_size); -+ set_section_ro_nx(mod->module_core_rx, -+ mod->core_size_rx, -+ mod->core_size_rx, -+ mod->core_size_rx); - - /* Set RO and NX regions for init */ -- set_section_ro_nx(mod->module_init, -- mod->init_text_size, -- mod->init_ro_size, -- mod->init_size); -+ set_section_ro_nx(mod->module_init_rx, -+ mod->init_size_rx, -+ mod->init_size_rx, -+ mod->init_size_rx); - - /* Mark state as coming so strong_try_module_get() ignores us, - * but kallsyms etc. can see us. */ -@@ -3305,9 +3450,38 @@ static int load_module(struct load_info *info, const char __user *uargs, - if (err) - goto free_unload; - -+ /* Now copy in args */ -+ mod->args = strndup_user(uargs, ~0UL >> 1); -+ if (IS_ERR(mod->args)) { -+ err = PTR_ERR(mod->args); -+ goto free_unload; -+ } -+ - /* Set up MODINFO_ATTR fields */ - setup_modinfo(mod, info); - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ { -+ char *p, *p2; -+ -+ if (strstr(mod->args, "grsec_modharden_netdev")) { -+ printk(KERN_ALERT "grsec: denied auto-loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%.64s instead.", mod->name); -+ err = -EPERM; -+ goto free_modinfo; -+ } else if ((p = strstr(mod->args, "grsec_modharden_normal"))) { -+ p += sizeof("grsec_modharden_normal") - 1; -+ p2 = strstr(p, "_"); -+ if (p2) { -+ *p2 = '\0'; -+ printk(KERN_ALERT "grsec: denied kernel module auto-load of %.64s by uid %.9s\n", mod->name, p); -+ *p2 = '_'; -+ } -+ err = -EPERM; -+ goto free_modinfo; -+ } -+ } -+#endif -+ - /* Fix up syms, so that st_value is a pointer to location. */ - err = simplify_symbols(mod, info); - if (err < 0) -@@ -3323,13 +3497,6 @@ static int load_module(struct load_info *info, const char __user *uargs, - - flush_module_icache(mod); - -- /* Now copy in args */ -- mod->args = strndup_user(uargs, ~0UL >> 1); -- if (IS_ERR(mod->args)) { -- err = PTR_ERR(mod->args); -- goto free_arch_cleanup; -- } -- - dynamic_debug_setup(info->debug, info->num_debug); - - /* Ftrace init must be called in the MODULE_STATE_UNFORMED state */ -@@ -3380,11 +3547,10 @@ static int load_module(struct load_info *info, const char __user *uargs, - ddebug_cleanup: - dynamic_debug_remove(info->debug); - synchronize_sched(); -- kfree(mod->args); -- free_arch_cleanup: - module_arch_cleanup(mod); - free_modinfo: - free_modinfo(mod); -+ kfree(mod->args); - free_unload: - module_unload_free(mod); - unlink_mod: -@@ -3397,7 +3563,8 @@ static int load_module(struct load_info *info, const char __user *uargs, - mutex_unlock(&module_mutex); - free_module: - /* Free lock-classes; relies on the preceding sync_rcu() */ -- lockdep_free_key_range(mod->module_core, mod->core_size); -+ lockdep_free_key_range(mod->module_core_rx, mod->core_size_rx); -+ lockdep_free_key_range(mod->module_core_rw, mod->core_size_rw); - - module_deallocate(mod, info); - free_copy: -@@ -3474,10 +3641,16 @@ static const char *get_ksymbol(struct module *mod, - unsigned long nextval; - - /* At worse, next value is at end of module */ -- if (within_module_init(addr, mod)) -- nextval = (unsigned long)mod->module_init+mod->init_text_size; -+ if (within_module_init_rx(addr, mod)) -+ nextval = (unsigned long)mod->module_init_rx+mod->init_size_rx; -+ else if (within_module_init_rw(addr, mod)) -+ nextval = (unsigned long)mod->module_init_rw+mod->init_size_rw; -+ else if (within_module_core_rx(addr, mod)) -+ nextval = (unsigned long)mod->module_core_rx+mod->core_size_rx; -+ else if (within_module_core_rw(addr, mod)) -+ nextval = (unsigned long)mod->module_core_rw+mod->core_size_rw; - else -- nextval = (unsigned long)mod->module_core+mod->core_text_size; -+ return NULL; - - /* Scan for closest preceding symbol, and next symbol. (ELF - starts real symbols at 1). */ -@@ -3725,7 +3898,7 @@ static int m_show(struct seq_file *m, void *p) - return 0; - - seq_printf(m, "%s %u", -- mod->name, mod->init_size + mod->core_size); -+ mod->name, mod->init_size_rx + mod->init_size_rw + mod->core_size_rx + mod->core_size_rw); - print_unload_info(m, mod); - - /* Informative for users. */ -@@ -3734,7 +3907,7 @@ static int m_show(struct seq_file *m, void *p) - mod->state == MODULE_STATE_COMING ? "Loading" : - "Live"); - /* Used by oprofile and other similar tools. */ -- seq_printf(m, " 0x%pK", mod->module_core); -+ seq_printf(m, " 0x%pK 0x%pK", mod->module_core_rx, mod->module_core_rw); - - /* Taints info */ - if (mod->taints) -@@ -3770,7 +3943,17 @@ static const struct file_operations proc_modules_operations = { - - static int __init proc_modules_init(void) - { -+#ifndef CONFIG_GRKERNSEC_HIDESYM -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_create("modules", S_IRUSR, NULL, &proc_modules_operations); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_create("modules", S_IRUSR | S_IRGRP, NULL, &proc_modules_operations); -+#else - proc_create("modules", 0, NULL, &proc_modules_operations); -+#endif -+#else -+ proc_create("modules", S_IRUSR, NULL, &proc_modules_operations); -+#endif - return 0; - } - module_init(proc_modules_init); -@@ -3831,7 +4014,8 @@ struct module *__module_address(unsigned long addr) - { - struct module *mod; - -- if (addr < module_addr_min || addr > module_addr_max) -+ if ((addr < module_addr_min_rx || addr > module_addr_max_rx) && -+ (addr < module_addr_min_rw || addr > module_addr_max_rw)) - return NULL; - - list_for_each_entry_rcu(mod, &modules, list) { -@@ -3872,11 +4056,20 @@ bool is_module_text_address(unsigned long addr) - */ - struct module *__module_text_address(unsigned long addr) - { -- struct module *mod = __module_address(addr); -+ struct module *mod; -+ -+#ifdef CONFIG_X86_32 -+ addr = ktla_ktva(addr); -+#endif -+ -+ if (addr < module_addr_min_rx || addr > module_addr_max_rx) -+ return NULL; -+ -+ mod = __module_address(addr); -+ - if (mod) { - /* Make sure it's within the text section. */ -- if (!within(addr, mod->module_init, mod->init_text_size) -- && !within(addr, mod->module_core, mod->core_text_size)) -+ if (!within_module_init_rx(addr, mod) && !within_module_core_rx(addr, mod)) - mod = NULL; - } - return mod; -diff --git a/kernel/notifier.c b/kernel/notifier.c -index ae9fc7c..5085fbf 100644 ---- a/kernel/notifier.c -+++ b/kernel/notifier.c -@@ -5,6 +5,7 @@ - #include <linux/rcupdate.h> - #include <linux/vmalloc.h> - #include <linux/reboot.h> -+#include <linux/mm.h> - - /* - * Notifier list for kernel code which wants to be called -@@ -24,10 +25,12 @@ static int notifier_chain_register(struct notifier_block **nl, - while ((*nl) != NULL) { - if (n->priority > (*nl)->priority) - break; -- nl = &((*nl)->next); -+ nl = (struct notifier_block **)&((*nl)->next); - } -- n->next = *nl; -+ pax_open_kernel(); -+ *(const void **)&n->next = *nl; - rcu_assign_pointer(*nl, n); -+ pax_close_kernel(); - return 0; - } - -@@ -39,10 +42,12 @@ static int notifier_chain_cond_register(struct notifier_block **nl, - return 0; - if (n->priority > (*nl)->priority) - break; -- nl = &((*nl)->next); -+ nl = (struct notifier_block **)&((*nl)->next); - } -- n->next = *nl; -+ pax_open_kernel(); -+ *(const void **)&n->next = *nl; - rcu_assign_pointer(*nl, n); -+ pax_close_kernel(); - return 0; - } - -@@ -51,10 +56,12 @@ static int notifier_chain_unregister(struct notifier_block **nl, - { - while ((*nl) != NULL) { - if ((*nl) == n) { -+ pax_open_kernel(); - rcu_assign_pointer(*nl, n->next); -+ pax_close_kernel(); - return 0; - } -- nl = &((*nl)->next); -+ nl = (struct notifier_block **)&((*nl)->next); - } - return -ENOENT; - } -diff --git a/kernel/padata.c b/kernel/padata.c -index b38bea9..91acfbe 100644 ---- a/kernel/padata.c -+++ b/kernel/padata.c -@@ -54,7 +54,7 @@ static int padata_cpu_hash(struct parallel_data *pd) - * seq_nr mod. number of cpus in use. - */ - -- seq_nr = atomic_inc_return(&pd->seq_nr); -+ seq_nr = atomic_inc_return_unchecked(&pd->seq_nr); - cpu_index = seq_nr % cpumask_weight(pd->cpumask.pcpu); - - return padata_index_to_cpu(pd, cpu_index); -@@ -428,7 +428,7 @@ static struct parallel_data *padata_alloc_pd(struct padata_instance *pinst, - padata_init_pqueues(pd); - padata_init_squeues(pd); - setup_timer(&pd->timer, padata_reorder_timer, (unsigned long)pd); -- atomic_set(&pd->seq_nr, -1); -+ atomic_set_unchecked(&pd->seq_nr, -1); - atomic_set(&pd->reorder_objects, 0); - atomic_set(&pd->refcnt, 0); - pd->pinst = pinst; -diff --git a/kernel/panic.c b/kernel/panic.c -index 8136ad7..15c857b 100644 ---- a/kernel/panic.c -+++ b/kernel/panic.c -@@ -54,7 +54,7 @@ EXPORT_SYMBOL(panic_blink); - /* - * Stop ourself in panic -- architecture code may override this - */ --void __weak panic_smp_self_stop(void) -+void __weak __noreturn panic_smp_self_stop(void) - { - while (1) - cpu_relax(); -@@ -425,7 +425,7 @@ static void warn_slowpath_common(const char *file, int line, void *caller, - disable_trace_on_warning(); - - pr_warn("------------[ cut here ]------------\n"); -- pr_warn("WARNING: CPU: %d PID: %d at %s:%d %pS()\n", -+ pr_warn("WARNING: CPU: %d PID: %d at %s:%d %pA()\n", - raw_smp_processor_id(), current->pid, file, line, caller); - - if (args) -@@ -490,7 +490,8 @@ EXPORT_SYMBOL(warn_slowpath_null); - */ - __visible void __stack_chk_fail(void) - { -- panic("stack-protector: Kernel stack is corrupted in: %p\n", -+ dump_stack(); -+ panic("stack-protector: Kernel stack is corrupted in: %pA\n", - __builtin_return_address(0)); - } - EXPORT_SYMBOL(__stack_chk_fail); -diff --git a/kernel/pid.c b/kernel/pid.c -index 4fd07d5..02bce4f 100644 ---- a/kernel/pid.c -+++ b/kernel/pid.c -@@ -33,6 +33,7 @@ - #include <linux/rculist.h> - #include <linux/bootmem.h> - #include <linux/hash.h> -+#include <linux/security.h> - #include <linux/pid_namespace.h> - #include <linux/init_task.h> - #include <linux/syscalls.h> -@@ -47,7 +48,7 @@ struct pid init_struct_pid = INIT_STRUCT_PID; - - int pid_max = PID_MAX_DEFAULT; - --#define RESERVED_PIDS 300 -+#define RESERVED_PIDS 500 - - int pid_max_min = RESERVED_PIDS + 1; - int pid_max_max = PID_MAX_LIMIT; -@@ -451,10 +452,18 @@ EXPORT_SYMBOL(pid_task); - */ - struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns) - { -+ struct task_struct *task; -+ - rcu_lockdep_assert(rcu_read_lock_held(), - "find_task_by_pid_ns() needs rcu_read_lock()" - " protection"); -- return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID); -+ -+ task = pid_task(find_pid_ns(nr, ns), PIDTYPE_PID); -+ -+ if (gr_pid_is_chrooted(task)) -+ return NULL; -+ -+ return task; - } - - struct task_struct *find_task_by_vpid(pid_t vnr) -@@ -462,6 +471,14 @@ struct task_struct *find_task_by_vpid(pid_t vnr) - return find_task_by_pid_ns(vnr, task_active_pid_ns(current)); - } - -+struct task_struct *find_task_by_vpid_unrestricted(pid_t vnr) -+{ -+ rcu_lockdep_assert(rcu_read_lock_held(), -+ "find_task_by_pid_ns() needs rcu_read_lock()" -+ " protection"); -+ return pid_task(find_pid_ns(vnr, task_active_pid_ns(current)), PIDTYPE_PID); -+} -+ - struct pid *get_task_pid(struct task_struct *task, enum pid_type type) - { - struct pid *pid; -diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c -index a65ba13..f600dbb 100644 ---- a/kernel/pid_namespace.c -+++ b/kernel/pid_namespace.c -@@ -274,7 +274,7 @@ static int pid_ns_ctl_handler(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - struct pid_namespace *pid_ns = task_active_pid_ns(current); -- struct ctl_table tmp = *table; -+ ctl_table_no_const tmp = *table; - - if (write && !ns_capable(pid_ns->user_ns, CAP_SYS_ADMIN)) - return -EPERM; -diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig -index 9e30231..75a6d97 100644 ---- a/kernel/power/Kconfig -+++ b/kernel/power/Kconfig -@@ -24,6 +24,8 @@ config HIBERNATE_CALLBACKS - config HIBERNATION - bool "Hibernation (aka 'suspend to disk')" - depends on SWAP && ARCH_HIBERNATION_POSSIBLE -+ depends on !GRKERNSEC_KMEM -+ depends on !PAX_MEMORY_SANITIZE - select HIBERNATE_CALLBACKS - select LZO_COMPRESS - select LZO_DECOMPRESS -diff --git a/kernel/power/process.c b/kernel/power/process.c -index 564f786..361a18e 100644 ---- a/kernel/power/process.c -+++ b/kernel/power/process.c -@@ -35,6 +35,7 @@ static int try_to_freeze_tasks(bool user_only) - unsigned int elapsed_msecs; - bool wakeup = false; - int sleep_usecs = USEC_PER_MSEC; -+ bool timedout = false; - - do_gettimeofday(&start); - -@@ -45,13 +46,20 @@ static int try_to_freeze_tasks(bool user_only) - - while (true) { - todo = 0; -+ if (time_after(jiffies, end_time)) -+ timedout = true; - read_lock(&tasklist_lock); - for_each_process_thread(g, p) { - if (p == current || !freeze_task(p)) - continue; - -- if (!freezer_should_skip(p)) -+ if (!freezer_should_skip(p)) { - todo++; -+ if (timedout) { -+ printk(KERN_ERR "Task refusing to freeze:\n"); -+ sched_show_task(p); -+ } -+ } - } - read_unlock(&tasklist_lock); - -@@ -60,7 +68,7 @@ static int try_to_freeze_tasks(bool user_only) - todo += wq_busy; - } - -- if (!todo || time_after(jiffies, end_time)) -+ if (!todo || timedout) - break; - - if (pm_wakeup_pending()) { -diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c -index bff0169..c90815d 100644 ---- a/kernel/printk/printk.c -+++ b/kernel/printk/printk.c -@@ -463,7 +463,7 @@ static int log_store(int facility, int level, - return msg->text_len; - } - --int dmesg_restrict = IS_ENABLED(CONFIG_SECURITY_DMESG_RESTRICT); -+int dmesg_restrict __read_only = IS_ENABLED(CONFIG_SECURITY_DMESG_RESTRICT); - - static int syslog_action_restricted(int type) - { -@@ -486,6 +486,11 @@ int check_syslog_permissions(int type, bool from_file) - if (from_file && type != SYSLOG_ACTION_OPEN) - goto ok; - -+#ifdef CONFIG_GRKERNSEC_DMESG -+ if (grsec_enable_dmesg && !capable(CAP_SYSLOG) && !capable_nolog(CAP_SYS_ADMIN)) -+ return -EPERM; -+#endif -+ - if (syslog_action_restricted(type)) { - if (capable(CAP_SYSLOG)) - goto ok; -diff --git a/kernel/profile.c b/kernel/profile.c -index a7bcd28..5b368fa 100644 ---- a/kernel/profile.c -+++ b/kernel/profile.c -@@ -37,7 +37,7 @@ struct profile_hit { - #define NR_PROFILE_HIT (PAGE_SIZE/sizeof(struct profile_hit)) - #define NR_PROFILE_GRP (NR_PROFILE_HIT/PROFILE_GRPSZ) - --static atomic_t *prof_buffer; -+static atomic_unchecked_t *prof_buffer; - static unsigned long prof_len, prof_shift; - - int prof_on __read_mostly; -@@ -256,7 +256,7 @@ static void profile_flip_buffers(void) - hits[i].pc = 0; - continue; - } -- atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]); -+ atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]); - hits[i].hits = hits[i].pc = 0; - } - } -@@ -317,9 +317,9 @@ static void do_profile_hits(int type, void *__pc, unsigned int nr_hits) - * Add the current hit(s) and flush the write-queue out - * to the global buffer: - */ -- atomic_add(nr_hits, &prof_buffer[pc]); -+ atomic_add_unchecked(nr_hits, &prof_buffer[pc]); - for (i = 0; i < NR_PROFILE_HIT; ++i) { -- atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]); -+ atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]); - hits[i].pc = hits[i].hits = 0; - } - out: -@@ -394,7 +394,7 @@ static void do_profile_hits(int type, void *__pc, unsigned int nr_hits) - { - unsigned long pc; - pc = ((unsigned long)__pc - (unsigned long)_stext) >> prof_shift; -- atomic_add(nr_hits, &prof_buffer[min(pc, prof_len - 1)]); -+ atomic_add_unchecked(nr_hits, &prof_buffer[min(pc, prof_len - 1)]); - } - #endif /* !CONFIG_SMP */ - -@@ -489,7 +489,7 @@ read_profile(struct file *file, char __user *buf, size_t count, loff_t *ppos) - return -EFAULT; - buf++; p++; count--; read++; - } -- pnt = (char *)prof_buffer + p - sizeof(atomic_t); -+ pnt = (char *)prof_buffer + p - sizeof(atomic_unchecked_t); - if (copy_to_user(buf, (void *)pnt, count)) - return -EFAULT; - read += count; -@@ -520,7 +520,7 @@ static ssize_t write_profile(struct file *file, const char __user *buf, - } - #endif - profile_discard_flip_buffers(); -- memset(prof_buffer, 0, prof_len * sizeof(atomic_t)); -+ memset(prof_buffer, 0, prof_len * sizeof(atomic_unchecked_t)); - return count; - } - -diff --git a/kernel/ptrace.c b/kernel/ptrace.c -index c8e0e05..2be5614 100644 ---- a/kernel/ptrace.c -+++ b/kernel/ptrace.c -@@ -321,7 +321,7 @@ static int ptrace_attach(struct task_struct *task, long request, - if (seize) - flags |= PT_SEIZED; - rcu_read_lock(); -- if (ns_capable(__task_cred(task)->user_ns, CAP_SYS_PTRACE)) -+ if (ns_capable_nolog(__task_cred(task)->user_ns, CAP_SYS_PTRACE)) - flags |= PT_PTRACE_CAP; - rcu_read_unlock(); - task->ptrace = flags; -@@ -514,7 +514,7 @@ int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst - break; - return -EIO; - } -- if (copy_to_user(dst, buf, retval)) -+ if (retval > sizeof(buf) || copy_to_user(dst, buf, retval)) - return -EFAULT; - copied += retval; - src += retval; -@@ -802,7 +802,7 @@ int ptrace_request(struct task_struct *child, long request, - bool seized = child->ptrace & PT_SEIZED; - int ret = -EIO; - siginfo_t siginfo, *si; -- void __user *datavp = (void __user *) data; -+ void __user *datavp = (__force void __user *) data; - unsigned long __user *datalp = datavp; - unsigned long flags; - -@@ -1048,14 +1048,21 @@ SYSCALL_DEFINE4(ptrace, long, request, long, pid, unsigned long, addr, - goto out; - } - -+ if (gr_handle_ptrace(child, request)) { -+ ret = -EPERM; -+ goto out_put_task_struct; -+ } -+ - if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) { - ret = ptrace_attach(child, request, addr, data); - /* - * Some architectures need to do book-keeping after - * a ptrace attach. - */ -- if (!ret) -+ if (!ret) { - arch_ptrace_attach(child); -+ gr_audit_ptrace(child); -+ } - goto out_put_task_struct; - } - -@@ -1083,7 +1090,7 @@ int generic_ptrace_peekdata(struct task_struct *tsk, unsigned long addr, - copied = access_process_vm(tsk, addr, &tmp, sizeof(tmp), 0); - if (copied != sizeof(tmp)) - return -EIO; -- return put_user(tmp, (unsigned long __user *)data); -+ return put_user(tmp, (__force unsigned long __user *)data); - } - - int generic_ptrace_pokedata(struct task_struct *tsk, unsigned long addr, -@@ -1176,7 +1183,7 @@ int compat_ptrace_request(struct task_struct *child, compat_long_t request, - } - - COMPAT_SYSCALL_DEFINE4(ptrace, compat_long_t, request, compat_long_t, pid, -- compat_long_t, addr, compat_long_t, data) -+ compat_ulong_t, addr, compat_ulong_t, data) - { - struct task_struct *child; - long ret; -@@ -1192,14 +1199,21 @@ COMPAT_SYSCALL_DEFINE4(ptrace, compat_long_t, request, compat_long_t, pid, - goto out; - } - -+ if (gr_handle_ptrace(child, request)) { -+ ret = -EPERM; -+ goto out_put_task_struct; -+ } -+ - if (request == PTRACE_ATTACH || request == PTRACE_SEIZE) { - ret = ptrace_attach(child, request, addr, data); - /* - * Some architectures need to do book-keeping after - * a ptrace attach. - */ -- if (!ret) -+ if (!ret) { - arch_ptrace_attach(child); -+ gr_audit_ptrace(child); -+ } - goto out_put_task_struct; - } - -diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c -index 8dbe276..8e87dbd 100644 ---- a/kernel/rcu/rcutorture.c -+++ b/kernel/rcu/rcutorture.c -@@ -134,12 +134,12 @@ static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1], - rcu_torture_count) = { 0 }; - static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1], - rcu_torture_batch) = { 0 }; --static atomic_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1]; --static atomic_t n_rcu_torture_alloc; --static atomic_t n_rcu_torture_alloc_fail; --static atomic_t n_rcu_torture_free; --static atomic_t n_rcu_torture_mberror; --static atomic_t n_rcu_torture_error; -+static atomic_unchecked_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1]; -+static atomic_unchecked_t n_rcu_torture_alloc; -+static atomic_unchecked_t n_rcu_torture_alloc_fail; -+static atomic_unchecked_t n_rcu_torture_free; -+static atomic_unchecked_t n_rcu_torture_mberror; -+static atomic_unchecked_t n_rcu_torture_error; - static long n_rcu_torture_barrier_error; - static long n_rcu_torture_boost_ktrerror; - static long n_rcu_torture_boost_rterror; -@@ -148,7 +148,7 @@ static long n_rcu_torture_boosts; - static long n_rcu_torture_timers; - static long n_barrier_attempts; - static long n_barrier_successes; --static atomic_long_t n_cbfloods; -+static atomic_long_unchecked_t n_cbfloods; - static struct list_head rcu_torture_removed; - - static int rcu_torture_writer_state; -@@ -211,11 +211,11 @@ rcu_torture_alloc(void) - - spin_lock_bh(&rcu_torture_lock); - if (list_empty(&rcu_torture_freelist)) { -- atomic_inc(&n_rcu_torture_alloc_fail); -+ atomic_inc_unchecked(&n_rcu_torture_alloc_fail); - spin_unlock_bh(&rcu_torture_lock); - return NULL; - } -- atomic_inc(&n_rcu_torture_alloc); -+ atomic_inc_unchecked(&n_rcu_torture_alloc); - p = rcu_torture_freelist.next; - list_del_init(p); - spin_unlock_bh(&rcu_torture_lock); -@@ -228,7 +228,7 @@ rcu_torture_alloc(void) - static void - rcu_torture_free(struct rcu_torture *p) - { -- atomic_inc(&n_rcu_torture_free); -+ atomic_inc_unchecked(&n_rcu_torture_free); - spin_lock_bh(&rcu_torture_lock); - list_add_tail(&p->rtort_free, &rcu_torture_freelist); - spin_unlock_bh(&rcu_torture_lock); -@@ -308,7 +308,7 @@ rcu_torture_pipe_update_one(struct rcu_torture *rp) - i = rp->rtort_pipe_count; - if (i > RCU_TORTURE_PIPE_LEN) - i = RCU_TORTURE_PIPE_LEN; -- atomic_inc(&rcu_torture_wcount[i]); -+ atomic_inc_unchecked(&rcu_torture_wcount[i]); - if (++rp->rtort_pipe_count >= RCU_TORTURE_PIPE_LEN) { - rp->rtort_mbtest = 0; - return true; -@@ -796,7 +796,7 @@ rcu_torture_cbflood(void *arg) - VERBOSE_TOROUT_STRING("rcu_torture_cbflood task started"); - do { - schedule_timeout_interruptible(cbflood_inter_holdoff); -- atomic_long_inc(&n_cbfloods); -+ atomic_long_inc_unchecked(&n_cbfloods); - WARN_ON(signal_pending(current)); - for (i = 0; i < cbflood_n_burst; i++) { - for (j = 0; j < cbflood_n_per_burst; j++) { -@@ -923,7 +923,7 @@ rcu_torture_writer(void *arg) - i = old_rp->rtort_pipe_count; - if (i > RCU_TORTURE_PIPE_LEN) - i = RCU_TORTURE_PIPE_LEN; -- atomic_inc(&rcu_torture_wcount[i]); -+ atomic_inc_unchecked(&rcu_torture_wcount[i]); - old_rp->rtort_pipe_count++; - switch (synctype[torture_random(&rand) % nsynctypes]) { - case RTWS_DEF_FREE: -@@ -1061,7 +1061,7 @@ static void rcu_torture_timer(unsigned long unused) - return; - } - if (p->rtort_mbtest == 0) -- atomic_inc(&n_rcu_torture_mberror); -+ atomic_inc_unchecked(&n_rcu_torture_mberror); - spin_lock(&rand_lock); - cur_ops->read_delay(&rand); - n_rcu_torture_timers++; -@@ -1136,7 +1136,7 @@ rcu_torture_reader(void *arg) - continue; - } - if (p->rtort_mbtest == 0) -- atomic_inc(&n_rcu_torture_mberror); -+ atomic_inc_unchecked(&n_rcu_torture_mberror); - cur_ops->read_delay(&rand); - preempt_disable(); - pipe_count = p->rtort_pipe_count; -@@ -1205,11 +1205,11 @@ rcu_torture_stats_print(void) - rcu_torture_current, - rcu_torture_current_version, - list_empty(&rcu_torture_freelist), -- atomic_read(&n_rcu_torture_alloc), -- atomic_read(&n_rcu_torture_alloc_fail), -- atomic_read(&n_rcu_torture_free)); -+ atomic_read_unchecked(&n_rcu_torture_alloc), -+ atomic_read_unchecked(&n_rcu_torture_alloc_fail), -+ atomic_read_unchecked(&n_rcu_torture_free)); - pr_cont("rtmbe: %d rtbke: %ld rtbre: %ld ", -- atomic_read(&n_rcu_torture_mberror), -+ atomic_read_unchecked(&n_rcu_torture_mberror), - n_rcu_torture_boost_ktrerror, - n_rcu_torture_boost_rterror); - pr_cont("rtbf: %ld rtb: %ld nt: %ld ", -@@ -1221,17 +1221,17 @@ rcu_torture_stats_print(void) - n_barrier_successes, - n_barrier_attempts, - n_rcu_torture_barrier_error); -- pr_cont("cbflood: %ld\n", atomic_long_read(&n_cbfloods)); -+ pr_cont("cbflood: %ld\n", atomic_long_read_unchecked(&n_cbfloods)); - - pr_alert("%s%s ", torture_type, TORTURE_FLAG); -- if (atomic_read(&n_rcu_torture_mberror) != 0 || -+ if (atomic_read_unchecked(&n_rcu_torture_mberror) != 0 || - n_rcu_torture_barrier_error != 0 || - n_rcu_torture_boost_ktrerror != 0 || - n_rcu_torture_boost_rterror != 0 || - n_rcu_torture_boost_failure != 0 || - i > 1) { - pr_cont("%s", "!!! "); -- atomic_inc(&n_rcu_torture_error); -+ atomic_inc_unchecked(&n_rcu_torture_error); - WARN_ON_ONCE(1); - } - pr_cont("Reader Pipe: "); -@@ -1248,7 +1248,7 @@ rcu_torture_stats_print(void) - pr_alert("%s%s ", torture_type, TORTURE_FLAG); - pr_cont("Free-Block Circulation: "); - for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) { -- pr_cont(" %d", atomic_read(&rcu_torture_wcount[i])); -+ pr_cont(" %d", atomic_read_unchecked(&rcu_torture_wcount[i])); - } - pr_cont("\n"); - -@@ -1595,7 +1595,7 @@ rcu_torture_cleanup(void) - - rcu_torture_stats_print(); /* -After- the stats thread is stopped! */ - -- if (atomic_read(&n_rcu_torture_error) || n_rcu_torture_barrier_error) -+ if (atomic_read_unchecked(&n_rcu_torture_error) || n_rcu_torture_barrier_error) - rcu_torture_print_module_parms(cur_ops, "End of test: FAILURE"); - else if (torture_onoff_failures()) - rcu_torture_print_module_parms(cur_ops, -@@ -1720,18 +1720,18 @@ rcu_torture_init(void) - - rcu_torture_current = NULL; - rcu_torture_current_version = 0; -- atomic_set(&n_rcu_torture_alloc, 0); -- atomic_set(&n_rcu_torture_alloc_fail, 0); -- atomic_set(&n_rcu_torture_free, 0); -- atomic_set(&n_rcu_torture_mberror, 0); -- atomic_set(&n_rcu_torture_error, 0); -+ atomic_set_unchecked(&n_rcu_torture_alloc, 0); -+ atomic_set_unchecked(&n_rcu_torture_alloc_fail, 0); -+ atomic_set_unchecked(&n_rcu_torture_free, 0); -+ atomic_set_unchecked(&n_rcu_torture_mberror, 0); -+ atomic_set_unchecked(&n_rcu_torture_error, 0); - n_rcu_torture_barrier_error = 0; - n_rcu_torture_boost_ktrerror = 0; - n_rcu_torture_boost_rterror = 0; - n_rcu_torture_boost_failure = 0; - n_rcu_torture_boosts = 0; - for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) -- atomic_set(&rcu_torture_wcount[i], 0); -+ atomic_set_unchecked(&rcu_torture_wcount[i], 0); - for_each_possible_cpu(cpu) { - for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) { - per_cpu(rcu_torture_count, cpu)[i] = 0; -diff --git a/kernel/rcu/tiny.c b/kernel/rcu/tiny.c -index ec30868..89752ff 100644 ---- a/kernel/rcu/tiny.c -+++ b/kernel/rcu/tiny.c -@@ -42,7 +42,7 @@ - /* Forward declarations for tiny_plugin.h. */ - struct rcu_ctrlblk; - static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp); --static void rcu_process_callbacks(struct softirq_action *unused); -+static void rcu_process_callbacks(void); - static void __call_rcu(struct rcu_head *head, - void (*func)(struct rcu_head *rcu), - struct rcu_ctrlblk *rcp); -@@ -203,7 +203,7 @@ static void __rcu_process_callbacks(struct rcu_ctrlblk *rcp) - false)); - } - --static void rcu_process_callbacks(struct softirq_action *unused) -+static __latent_entropy void rcu_process_callbacks(void) - { - __rcu_process_callbacks(&rcu_sched_ctrlblk); - __rcu_process_callbacks(&rcu_bh_ctrlblk); -diff --git a/kernel/rcu/tiny_plugin.h b/kernel/rcu/tiny_plugin.h -index f94e209..d2985bd 100644 ---- a/kernel/rcu/tiny_plugin.h -+++ b/kernel/rcu/tiny_plugin.h -@@ -150,10 +150,10 @@ static void check_cpu_stall(struct rcu_ctrlblk *rcp) - rcp->name, rcp->ticks_this_gp, DYNTICK_TASK_EXIT_IDLE, - jiffies - rcp->gp_start, rcp->qlen); - dump_stack(); -- ACCESS_ONCE(rcp->jiffies_stall) = jiffies + -+ ACCESS_ONCE_RW(rcp->jiffies_stall) = jiffies + - 3 * rcu_jiffies_till_stall_check() + 3; - } else if (ULONG_CMP_GE(j, js)) { -- ACCESS_ONCE(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check(); -+ ACCESS_ONCE_RW(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check(); - } - } - -@@ -161,7 +161,7 @@ static void reset_cpu_stall_ticks(struct rcu_ctrlblk *rcp) - { - rcp->ticks_this_gp = 0; - rcp->gp_start = jiffies; -- ACCESS_ONCE(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check(); -+ ACCESS_ONCE_RW(rcp->jiffies_stall) = jiffies + rcu_jiffies_till_stall_check(); - } - - static void check_cpu_stalls(void) -diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c -index 8cf7304..953f8ad 100644 ---- a/kernel/rcu/tree.c -+++ b/kernel/rcu/tree.c -@@ -290,7 +290,7 @@ static void rcu_momentary_dyntick_idle(void) - */ - rdtp = this_cpu_ptr(&rcu_dynticks); - smp_mb__before_atomic(); /* Earlier stuff before QS. */ -- atomic_add(2, &rdtp->dynticks); /* QS. */ -+ atomic_add_unchecked(2, &rdtp->dynticks); /* QS. */ - smp_mb__after_atomic(); /* Later stuff after QS. */ - break; - } -@@ -602,9 +602,9 @@ static void rcu_eqs_enter_common(long long oldval, bool user) - rcu_prepare_for_idle(); - /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */ - smp_mb__before_atomic(); /* See above. */ -- atomic_inc(&rdtp->dynticks); -+ atomic_inc_unchecked(&rdtp->dynticks); - smp_mb__after_atomic(); /* Force ordering with next sojourn. */ -- WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1); -+ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1); - rcu_dynticks_task_enter(); - - /* -@@ -725,10 +725,10 @@ static void rcu_eqs_exit_common(long long oldval, int user) - - rcu_dynticks_task_exit(); - smp_mb__before_atomic(); /* Force ordering w/previous sojourn. */ -- atomic_inc(&rdtp->dynticks); -+ atomic_inc_unchecked(&rdtp->dynticks); - /* CPUs seeing atomic_inc() must see later RCU read-side crit sects */ - smp_mb__after_atomic(); /* See above. */ -- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1)); -+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1)); - rcu_cleanup_after_idle(); - trace_rcu_dyntick(TPS("End"), oldval, rdtp->dynticks_nesting); - if (!user && !is_idle_task(current)) { -@@ -862,12 +862,12 @@ void rcu_nmi_enter(void) - * to be in the outermost NMI handler that interrupted an RCU-idle - * period (observation due to Andy Lutomirski). - */ -- if (!(atomic_read(&rdtp->dynticks) & 0x1)) { -+ if (!(atomic_read_unchecked(&rdtp->dynticks) & 0x1)) { - smp_mb__before_atomic(); /* Force delay from prior write. */ -- atomic_inc(&rdtp->dynticks); -+ atomic_inc_unchecked(&rdtp->dynticks); - /* atomic_inc() before later RCU read-side crit sects */ - smp_mb__after_atomic(); /* See above. */ -- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1)); -+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1)); - incby = 1; - } - rdtp->dynticks_nmi_nesting += incby; -@@ -892,7 +892,7 @@ void rcu_nmi_exit(void) - * to us!) - */ - WARN_ON_ONCE(rdtp->dynticks_nmi_nesting <= 0); -- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks) & 0x1)); -+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks) & 0x1)); - - /* - * If the nesting level is not 1, the CPU wasn't RCU-idle, so -@@ -907,9 +907,9 @@ void rcu_nmi_exit(void) - rdtp->dynticks_nmi_nesting = 0; - /* CPUs seeing atomic_inc() must see prior RCU read-side crit sects */ - smp_mb__before_atomic(); /* See above. */ -- atomic_inc(&rdtp->dynticks); -+ atomic_inc_unchecked(&rdtp->dynticks); - smp_mb__after_atomic(); /* Force delay to next write. */ -- WARN_ON_ONCE(atomic_read(&rdtp->dynticks) & 0x1); -+ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks) & 0x1); - } - - /** -@@ -922,7 +922,7 @@ void rcu_nmi_exit(void) - */ - bool notrace __rcu_is_watching(void) - { -- return atomic_read(this_cpu_ptr(&rcu_dynticks.dynticks)) & 0x1; -+ return atomic_read_unchecked(this_cpu_ptr(&rcu_dynticks.dynticks)) & 0x1; - } - - /** -@@ -1005,7 +1005,7 @@ static int rcu_is_cpu_rrupt_from_idle(void) - static int dyntick_save_progress_counter(struct rcu_data *rdp, - bool *isidle, unsigned long *maxj) - { -- rdp->dynticks_snap = atomic_add_return(0, &rdp->dynticks->dynticks); -+ rdp->dynticks_snap = atomic_add_return_unchecked(0, &rdp->dynticks->dynticks); - rcu_sysidle_check_cpu(rdp, isidle, maxj); - if ((rdp->dynticks_snap & 0x1) == 0) { - trace_rcu_fqs(rdp->rsp->name, rdp->gpnum, rdp->cpu, TPS("dti")); -@@ -1013,7 +1013,7 @@ static int dyntick_save_progress_counter(struct rcu_data *rdp, - } else { - if (ULONG_CMP_LT(ACCESS_ONCE(rdp->gpnum) + ULONG_MAX / 4, - rdp->mynode->gpnum)) -- ACCESS_ONCE(rdp->gpwrap) = true; -+ ACCESS_ONCE_RW(rdp->gpwrap) = true; - return 0; - } - } -@@ -1031,7 +1031,7 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp, - int *rcrmp; - unsigned int snap; - -- curr = (unsigned int)atomic_add_return(0, &rdp->dynticks->dynticks); -+ curr = (unsigned int)atomic_add_return_unchecked(0, &rdp->dynticks->dynticks); - snap = (unsigned int)rdp->dynticks_snap; - - /* -@@ -1094,10 +1094,10 @@ static int rcu_implicit_dynticks_qs(struct rcu_data *rdp, - rdp->rsp->gp_start + jiffies_till_sched_qs) || - ULONG_CMP_GE(jiffies, rdp->rsp->jiffies_resched)) { - if (!(ACCESS_ONCE(*rcrmp) & rdp->rsp->flavor_mask)) { -- ACCESS_ONCE(rdp->cond_resched_completed) = -+ ACCESS_ONCE_RW(rdp->cond_resched_completed) = - ACCESS_ONCE(rdp->mynode->completed); - smp_mb(); /* ->cond_resched_completed before *rcrmp. */ -- ACCESS_ONCE(*rcrmp) = -+ ACCESS_ONCE_RW(*rcrmp) = - ACCESS_ONCE(*rcrmp) + rdp->rsp->flavor_mask; - resched_cpu(rdp->cpu); /* Force CPU into scheduler. */ - rdp->rsp->jiffies_resched += 5; /* Enable beating. */ -@@ -1119,7 +1119,7 @@ static void record_gp_stall_check_time(struct rcu_state *rsp) - rsp->gp_start = j; - smp_wmb(); /* Record start time before stall time. */ - j1 = rcu_jiffies_till_stall_check(); -- ACCESS_ONCE(rsp->jiffies_stall) = j + j1; -+ ACCESS_ONCE_RW(rsp->jiffies_stall) = j + j1; - rsp->jiffies_resched = j + j1 / 2; - rsp->n_force_qs_gpstart = ACCESS_ONCE(rsp->n_force_qs); - } -@@ -1178,7 +1178,7 @@ static void print_other_cpu_stall(struct rcu_state *rsp, unsigned long gpnum) - raw_spin_unlock_irqrestore(&rnp->lock, flags); - return; - } -- ACCESS_ONCE(rsp->jiffies_stall) = jiffies + 3 * rcu_jiffies_till_stall_check() + 3; -+ ACCESS_ONCE_RW(rsp->jiffies_stall) = jiffies + 3 * rcu_jiffies_till_stall_check() + 3; - raw_spin_unlock_irqrestore(&rnp->lock, flags); - - /* -@@ -1263,7 +1263,7 @@ static void print_cpu_stall(struct rcu_state *rsp) - - raw_spin_lock_irqsave(&rnp->lock, flags); - if (ULONG_CMP_GE(jiffies, ACCESS_ONCE(rsp->jiffies_stall))) -- ACCESS_ONCE(rsp->jiffies_stall) = jiffies + -+ ACCESS_ONCE_RW(rsp->jiffies_stall) = jiffies + - 3 * rcu_jiffies_till_stall_check() + 3; - raw_spin_unlock_irqrestore(&rnp->lock, flags); - -@@ -1347,7 +1347,7 @@ void rcu_cpu_stall_reset(void) - struct rcu_state *rsp; - - for_each_rcu_flavor(rsp) -- ACCESS_ONCE(rsp->jiffies_stall) = jiffies + ULONG_MAX / 2; -+ ACCESS_ONCE_RW(rsp->jiffies_stall) = jiffies + ULONG_MAX / 2; - } - - /* -@@ -1704,7 +1704,7 @@ static bool __note_gp_changes(struct rcu_state *rsp, struct rcu_node *rnp, - rdp->rcu_qs_ctr_snap = __this_cpu_read(rcu_qs_ctr); - rdp->qs_pending = !!(rnp->qsmask & rdp->grpmask); - zero_cpu_stall_ticks(rdp); -- ACCESS_ONCE(rdp->gpwrap) = false; -+ ACCESS_ONCE_RW(rdp->gpwrap) = false; - } - return ret; - } -@@ -1740,7 +1740,7 @@ static int rcu_gp_init(struct rcu_state *rsp) - struct rcu_data *rdp; - struct rcu_node *rnp = rcu_get_root(rsp); - -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - raw_spin_lock_irq(&rnp->lock); - smp_mb__after_unlock_lock(); - if (!ACCESS_ONCE(rsp->gp_flags)) { -@@ -1748,7 +1748,7 @@ static int rcu_gp_init(struct rcu_state *rsp) - raw_spin_unlock_irq(&rnp->lock); - return 0; - } -- ACCESS_ONCE(rsp->gp_flags) = 0; /* Clear all flags: New grace period. */ -+ ACCESS_ONCE_RW(rsp->gp_flags) = 0; /* Clear all flags: New grace period. */ - - if (WARN_ON_ONCE(rcu_gp_in_progress(rsp))) { - /* -@@ -1834,9 +1834,9 @@ static int rcu_gp_init(struct rcu_state *rsp) - rdp = this_cpu_ptr(rsp->rda); - rcu_preempt_check_blocked_tasks(rnp); - rnp->qsmask = rnp->qsmaskinit; -- ACCESS_ONCE(rnp->gpnum) = rsp->gpnum; -+ ACCESS_ONCE_RW(rnp->gpnum) = rsp->gpnum; - if (WARN_ON_ONCE(rnp->completed != rsp->completed)) -- ACCESS_ONCE(rnp->completed) = rsp->completed; -+ ACCESS_ONCE_RW(rnp->completed) = rsp->completed; - if (rnp == rdp->mynode) - (void)__note_gp_changes(rsp, rnp, rdp); - rcu_preempt_boost_start_gp(rnp); -@@ -1845,7 +1845,7 @@ static int rcu_gp_init(struct rcu_state *rsp) - rnp->grphi, rnp->qsmask); - raw_spin_unlock_irq(&rnp->lock); - cond_resched_rcu_qs(); -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - if (gp_init_delay > 0 && - !(rsp->gpnum % (rcu_num_nodes * PER_RCU_NODE_PERIOD))) - schedule_timeout_uninterruptible(gp_init_delay); -@@ -1864,7 +1864,7 @@ static int rcu_gp_fqs(struct rcu_state *rsp, int fqs_state_in) - unsigned long maxj; - struct rcu_node *rnp = rcu_get_root(rsp); - -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - rsp->n_force_qs++; - if (fqs_state == RCU_SAVE_DYNTICK) { - /* Collect dyntick-idle snapshots. */ -@@ -1885,7 +1885,7 @@ static int rcu_gp_fqs(struct rcu_state *rsp, int fqs_state_in) - if (ACCESS_ONCE(rsp->gp_flags) & RCU_GP_FLAG_FQS) { - raw_spin_lock_irq(&rnp->lock); - smp_mb__after_unlock_lock(); -- ACCESS_ONCE(rsp->gp_flags) = -+ ACCESS_ONCE_RW(rsp->gp_flags) = - ACCESS_ONCE(rsp->gp_flags) & ~RCU_GP_FLAG_FQS; - raw_spin_unlock_irq(&rnp->lock); - } -@@ -1903,7 +1903,7 @@ static void rcu_gp_cleanup(struct rcu_state *rsp) - struct rcu_data *rdp; - struct rcu_node *rnp = rcu_get_root(rsp); - -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - raw_spin_lock_irq(&rnp->lock); - smp_mb__after_unlock_lock(); - gp_duration = jiffies - rsp->gp_start; -@@ -1934,7 +1934,7 @@ static void rcu_gp_cleanup(struct rcu_state *rsp) - smp_mb__after_unlock_lock(); - WARN_ON_ONCE(rcu_preempt_blocked_readers_cgp(rnp)); - WARN_ON_ONCE(rnp->qsmask); -- ACCESS_ONCE(rnp->completed) = rsp->gpnum; -+ ACCESS_ONCE_RW(rnp->completed) = rsp->gpnum; - rdp = this_cpu_ptr(rsp->rda); - if (rnp == rdp->mynode) - needgp = __note_gp_changes(rsp, rnp, rdp) || needgp; -@@ -1942,7 +1942,7 @@ static void rcu_gp_cleanup(struct rcu_state *rsp) - nocb += rcu_future_gp_cleanup(rsp, rnp); - raw_spin_unlock_irq(&rnp->lock); - cond_resched_rcu_qs(); -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - } - rnp = rcu_get_root(rsp); - raw_spin_lock_irq(&rnp->lock); -@@ -1950,14 +1950,14 @@ static void rcu_gp_cleanup(struct rcu_state *rsp) - rcu_nocb_gp_set(rnp, nocb); - - /* Declare grace period done. */ -- ACCESS_ONCE(rsp->completed) = rsp->gpnum; -+ ACCESS_ONCE_RW(rsp->completed) = rsp->gpnum; - trace_rcu_grace_period(rsp->name, rsp->completed, TPS("end")); - rsp->fqs_state = RCU_GP_IDLE; - rdp = this_cpu_ptr(rsp->rda); - /* Advance CBs to reduce false positives below. */ - needgp = rcu_advance_cbs(rsp, rnp, rdp) || needgp; - if (needgp || cpu_needs_another_gp(rsp, rdp)) { -- ACCESS_ONCE(rsp->gp_flags) = RCU_GP_FLAG_INIT; -+ ACCESS_ONCE_RW(rsp->gp_flags) = RCU_GP_FLAG_INIT; - trace_rcu_grace_period(rsp->name, - ACCESS_ONCE(rsp->gpnum), - TPS("newreq")); -@@ -1993,7 +1993,7 @@ static int __noreturn rcu_gp_kthread(void *arg) - if (rcu_gp_init(rsp)) - break; - cond_resched_rcu_qs(); -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - WARN_ON(signal_pending(current)); - trace_rcu_grace_period(rsp->name, - ACCESS_ONCE(rsp->gpnum), -@@ -2037,11 +2037,11 @@ static int __noreturn rcu_gp_kthread(void *arg) - ACCESS_ONCE(rsp->gpnum), - TPS("fqsend")); - cond_resched_rcu_qs(); -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - } else { - /* Deal with stray signal. */ - cond_resched_rcu_qs(); -- ACCESS_ONCE(rsp->gp_activity) = jiffies; -+ ACCESS_ONCE_RW(rsp->gp_activity) = jiffies; - WARN_ON(signal_pending(current)); - trace_rcu_grace_period(rsp->name, - ACCESS_ONCE(rsp->gpnum), -@@ -2086,7 +2086,7 @@ rcu_start_gp_advanced(struct rcu_state *rsp, struct rcu_node *rnp, - */ - return false; - } -- ACCESS_ONCE(rsp->gp_flags) = RCU_GP_FLAG_INIT; -+ ACCESS_ONCE_RW(rsp->gp_flags) = RCU_GP_FLAG_INIT; - trace_rcu_grace_period(rsp->name, ACCESS_ONCE(rsp->gpnum), - TPS("newreq")); - -@@ -2359,7 +2359,7 @@ rcu_send_cbs_to_orphanage(int cpu, struct rcu_state *rsp, - rsp->qlen += rdp->qlen; - rdp->n_cbs_orphaned += rdp->qlen; - rdp->qlen_lazy = 0; -- ACCESS_ONCE(rdp->qlen) = 0; -+ ACCESS_ONCE_RW(rdp->qlen) = 0; - } - - /* -@@ -2636,7 +2636,7 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp) - } - smp_mb(); /* List handling before counting for rcu_barrier(). */ - rdp->qlen_lazy -= count_lazy; -- ACCESS_ONCE(rdp->qlen) = rdp->qlen - count; -+ ACCESS_ONCE_RW(rdp->qlen) = rdp->qlen - count; - rdp->n_cbs_invoked += count; - - /* Reinstate batch limit if we have worked down the excess. */ -@@ -2814,7 +2814,7 @@ static void force_quiescent_state(struct rcu_state *rsp) - raw_spin_unlock_irqrestore(&rnp_old->lock, flags); - return; /* Someone beat us to it. */ - } -- ACCESS_ONCE(rsp->gp_flags) = -+ ACCESS_ONCE_RW(rsp->gp_flags) = - ACCESS_ONCE(rsp->gp_flags) | RCU_GP_FLAG_FQS; - raw_spin_unlock_irqrestore(&rnp_old->lock, flags); - rcu_gp_kthread_wake(rsp); -@@ -2860,7 +2860,7 @@ __rcu_process_callbacks(struct rcu_state *rsp) - /* - * Do RCU core processing for the current CPU. - */ --static void rcu_process_callbacks(struct softirq_action *unused) -+static void rcu_process_callbacks(void) - { - struct rcu_state *rsp; - -@@ -2972,7 +2972,7 @@ __call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu), - WARN_ON_ONCE((unsigned long)head & 0x1); /* Misaligned rcu_head! */ - if (debug_rcu_head_queue(head)) { - /* Probable double call_rcu(), so leak the callback. */ -- ACCESS_ONCE(head->func) = rcu_leak_callback; -+ ACCESS_ONCE_RW(head->func) = rcu_leak_callback; - WARN_ONCE(1, "__call_rcu(): Leaked duplicate callback\n"); - return; - } -@@ -3011,7 +3011,7 @@ __call_rcu(struct rcu_head *head, void (*func)(struct rcu_head *rcu), - if (!likely(rdp->nxtlist)) - init_default_callback_list(rdp); - } -- ACCESS_ONCE(rdp->qlen) = rdp->qlen + 1; -+ ACCESS_ONCE_RW(rdp->qlen) = rdp->qlen + 1; - if (lazy) - rdp->qlen_lazy++; - else -@@ -3284,11 +3284,11 @@ void synchronize_sched_expedited(void) - * counter wrap on a 32-bit system. Quite a few more CPUs would of - * course be required on a 64-bit system. - */ -- if (ULONG_CMP_GE((ulong)atomic_long_read(&rsp->expedited_start), -+ if (ULONG_CMP_GE((ulong)atomic_long_read_unchecked(&rsp->expedited_start), - (ulong)atomic_long_read(&rsp->expedited_done) + - ULONG_MAX / 8)) { - synchronize_sched(); -- atomic_long_inc(&rsp->expedited_wrap); -+ atomic_long_inc_unchecked(&rsp->expedited_wrap); - return; - } - -@@ -3296,12 +3296,12 @@ void synchronize_sched_expedited(void) - * Take a ticket. Note that atomic_inc_return() implies a - * full memory barrier. - */ -- snap = atomic_long_inc_return(&rsp->expedited_start); -+ snap = atomic_long_inc_return_unchecked(&rsp->expedited_start); - firstsnap = snap; - if (!try_get_online_cpus()) { - /* CPU hotplug operation in flight, fall back to normal GP. */ - wait_rcu_gp(call_rcu_sched); -- atomic_long_inc(&rsp->expedited_normal); -+ atomic_long_inc_unchecked(&rsp->expedited_normal); - return; - } - WARN_ON_ONCE(cpu_is_offline(raw_smp_processor_id())); -@@ -3314,7 +3314,7 @@ void synchronize_sched_expedited(void) - for_each_cpu(cpu, cm) { - struct rcu_dynticks *rdtp = &per_cpu(rcu_dynticks, cpu); - -- if (!(atomic_add_return(0, &rdtp->dynticks) & 0x1)) -+ if (!(atomic_add_return_unchecked(0, &rdtp->dynticks) & 0x1)) - cpumask_clear_cpu(cpu, cm); - } - if (cpumask_weight(cm) == 0) -@@ -3329,14 +3329,14 @@ void synchronize_sched_expedited(void) - synchronize_sched_expedited_cpu_stop, - NULL) == -EAGAIN) { - put_online_cpus(); -- atomic_long_inc(&rsp->expedited_tryfail); -+ atomic_long_inc_unchecked(&rsp->expedited_tryfail); - - /* Check to see if someone else did our work for us. */ - s = atomic_long_read(&rsp->expedited_done); - if (ULONG_CMP_GE((ulong)s, (ulong)firstsnap)) { - /* ensure test happens before caller kfree */ - smp_mb__before_atomic(); /* ^^^ */ -- atomic_long_inc(&rsp->expedited_workdone1); -+ atomic_long_inc_unchecked(&rsp->expedited_workdone1); - free_cpumask_var(cm); - return; - } -@@ -3346,7 +3346,7 @@ void synchronize_sched_expedited(void) - udelay(trycount * num_online_cpus()); - } else { - wait_rcu_gp(call_rcu_sched); -- atomic_long_inc(&rsp->expedited_normal); -+ atomic_long_inc_unchecked(&rsp->expedited_normal); - free_cpumask_var(cm); - return; - } -@@ -3356,7 +3356,7 @@ void synchronize_sched_expedited(void) - if (ULONG_CMP_GE((ulong)s, (ulong)firstsnap)) { - /* ensure test happens before caller kfree */ - smp_mb__before_atomic(); /* ^^^ */ -- atomic_long_inc(&rsp->expedited_workdone2); -+ atomic_long_inc_unchecked(&rsp->expedited_workdone2); - free_cpumask_var(cm); - return; - } -@@ -3371,14 +3371,14 @@ void synchronize_sched_expedited(void) - if (!try_get_online_cpus()) { - /* CPU hotplug operation in flight, use normal GP. */ - wait_rcu_gp(call_rcu_sched); -- atomic_long_inc(&rsp->expedited_normal); -+ atomic_long_inc_unchecked(&rsp->expedited_normal); - free_cpumask_var(cm); - return; - } -- snap = atomic_long_read(&rsp->expedited_start); -+ snap = atomic_long_read_unchecked(&rsp->expedited_start); - smp_mb(); /* ensure read is before try_stop_cpus(). */ - } -- atomic_long_inc(&rsp->expedited_stoppedcpus); -+ atomic_long_inc_unchecked(&rsp->expedited_stoppedcpus); - - all_cpus_idle: - free_cpumask_var(cm); -@@ -3390,16 +3390,16 @@ all_cpus_idle: - * than we did already did their update. - */ - do { -- atomic_long_inc(&rsp->expedited_done_tries); -+ atomic_long_inc_unchecked(&rsp->expedited_done_tries); - s = atomic_long_read(&rsp->expedited_done); - if (ULONG_CMP_GE((ulong)s, (ulong)snap)) { - /* ensure test happens before caller kfree */ - smp_mb__before_atomic(); /* ^^^ */ -- atomic_long_inc(&rsp->expedited_done_lost); -+ atomic_long_inc_unchecked(&rsp->expedited_done_lost); - break; - } - } while (atomic_long_cmpxchg(&rsp->expedited_done, s, snap) != s); -- atomic_long_inc(&rsp->expedited_done_exit); -+ atomic_long_inc_unchecked(&rsp->expedited_done_exit); - - put_online_cpus(); - } -@@ -3609,7 +3609,7 @@ static void _rcu_barrier(struct rcu_state *rsp) - * ACCESS_ONCE() to prevent the compiler from speculating - * the increment to precede the early-exit check. - */ -- ACCESS_ONCE(rsp->n_barrier_done) = rsp->n_barrier_done + 1; -+ ACCESS_ONCE_RW(rsp->n_barrier_done) = rsp->n_barrier_done + 1; - WARN_ON_ONCE((rsp->n_barrier_done & 0x1) != 1); - _rcu_barrier_trace(rsp, "Inc1", -1, rsp->n_barrier_done); - smp_mb(); /* Order ->n_barrier_done increment with below mechanism. */ -@@ -3665,7 +3665,7 @@ static void _rcu_barrier(struct rcu_state *rsp) - - /* Increment ->n_barrier_done to prevent duplicate work. */ - smp_mb(); /* Keep increment after above mechanism. */ -- ACCESS_ONCE(rsp->n_barrier_done) = rsp->n_barrier_done + 1; -+ ACCESS_ONCE_RW(rsp->n_barrier_done) = rsp->n_barrier_done + 1; - WARN_ON_ONCE((rsp->n_barrier_done & 0x1) != 0); - _rcu_barrier_trace(rsp, "Inc2", -1, rsp->n_barrier_done); - smp_mb(); /* Keep increment before caller's subsequent code. */ -@@ -3732,7 +3732,7 @@ rcu_boot_init_percpu_data(int cpu, struct rcu_state *rsp) - rdp->grpmask = 1UL << (cpu - rdp->mynode->grplo); - rdp->dynticks = &per_cpu(rcu_dynticks, cpu); - WARN_ON_ONCE(rdp->dynticks->dynticks_nesting != DYNTICK_TASK_EXIT_IDLE); -- WARN_ON_ONCE(atomic_read(&rdp->dynticks->dynticks) != 1); -+ WARN_ON_ONCE(atomic_read_unchecked(&rdp->dynticks->dynticks) != 1); - rdp->cpu = cpu; - rdp->rsp = rsp; - rcu_boot_init_nocb_percpu_data(rdp); -@@ -3763,8 +3763,8 @@ rcu_init_percpu_data(int cpu, struct rcu_state *rsp) - init_callback_list(rdp); /* Re-enable callbacks on this CPU. */ - rdp->dynticks->dynticks_nesting = DYNTICK_TASK_EXIT_IDLE; - rcu_sysidle_init_percpu_data(rdp->dynticks); -- atomic_set(&rdp->dynticks->dynticks, -- (atomic_read(&rdp->dynticks->dynticks) & ~0x1) + 1); -+ atomic_set_unchecked(&rdp->dynticks->dynticks, -+ (atomic_read_unchecked(&rdp->dynticks->dynticks) & ~0x1) + 1); - raw_spin_unlock(&rnp->lock); /* irqs remain disabled. */ - - /* -diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h -index a69d3da..51993c4 100644 ---- a/kernel/rcu/tree.h -+++ b/kernel/rcu/tree.h -@@ -86,11 +86,11 @@ struct rcu_dynticks { - long long dynticks_nesting; /* Track irq/process nesting level. */ - /* Process level is worth LLONG_MAX/2. */ - int dynticks_nmi_nesting; /* Track NMI nesting level. */ -- atomic_t dynticks; /* Even value for idle, else odd. */ -+ atomic_unchecked_t dynticks;/* Even value for idle, else odd. */ - #ifdef CONFIG_NO_HZ_FULL_SYSIDLE - long long dynticks_idle_nesting; - /* irq/process nesting level from idle. */ -- atomic_t dynticks_idle; /* Even value for idle, else odd. */ -+ atomic_unchecked_t dynticks_idle;/* Even value for idle, else odd. */ - /* "Idle" excludes userspace execution. */ - unsigned long dynticks_idle_jiffies; - /* End of last non-NMI non-idle period. */ -@@ -463,17 +463,17 @@ struct rcu_state { - /* _rcu_barrier(). */ - /* End of fields guarded by barrier_mutex. */ - -- atomic_long_t expedited_start; /* Starting ticket. */ -- atomic_long_t expedited_done; /* Done ticket. */ -- atomic_long_t expedited_wrap; /* # near-wrap incidents. */ -- atomic_long_t expedited_tryfail; /* # acquisition failures. */ -- atomic_long_t expedited_workdone1; /* # done by others #1. */ -- atomic_long_t expedited_workdone2; /* # done by others #2. */ -- atomic_long_t expedited_normal; /* # fallbacks to normal. */ -- atomic_long_t expedited_stoppedcpus; /* # successful stop_cpus. */ -- atomic_long_t expedited_done_tries; /* # tries to update _done. */ -- atomic_long_t expedited_done_lost; /* # times beaten to _done. */ -- atomic_long_t expedited_done_exit; /* # times exited _done loop. */ -+ atomic_long_unchecked_t expedited_start; /* Starting ticket. */ -+ atomic_long_t expedited_done; /* Done ticket. */ -+ atomic_long_unchecked_t expedited_wrap; /* # near-wrap incidents. */ -+ atomic_long_unchecked_t expedited_tryfail; /* # acquisition failures. */ -+ atomic_long_unchecked_t expedited_workdone1; /* # done by others #1. */ -+ atomic_long_unchecked_t expedited_workdone2; /* # done by others #2. */ -+ atomic_long_unchecked_t expedited_normal; /* # fallbacks to normal. */ -+ atomic_long_unchecked_t expedited_stoppedcpus; /* # successful stop_cpus. */ -+ atomic_long_unchecked_t expedited_done_tries; /* # tries to update _done. */ -+ atomic_long_unchecked_t expedited_done_lost; /* # times beaten to _done. */ -+ atomic_long_unchecked_t expedited_done_exit; /* # times exited _done loop. */ - - unsigned long jiffies_force_qs; /* Time at which to invoke */ - /* force_quiescent_state(). */ -diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h -index 8c0ec0f..99d52c5 100644 ---- a/kernel/rcu/tree_plugin.h -+++ b/kernel/rcu/tree_plugin.h -@@ -570,7 +570,7 @@ static int rcu_preempted_readers_exp(struct rcu_node *rnp) - static int sync_rcu_preempt_exp_done(struct rcu_node *rnp) - { - return !rcu_preempted_readers_exp(rnp) && -- ACCESS_ONCE(rnp->expmask) == 0; -+ ACCESS_ONCE_RW(rnp->expmask) == 0; - } - - /* -@@ -780,7 +780,7 @@ void synchronize_rcu_expedited(void) - - /* Clean up and exit. */ - smp_mb(); /* ensure expedited GP seen before counter increment. */ -- ACCESS_ONCE(sync_rcu_preempt_exp_count) = -+ ACCESS_ONCE_RW(sync_rcu_preempt_exp_count) = - sync_rcu_preempt_exp_count + 1; - unlock_mb_ret: - mutex_unlock(&sync_rcu_preempt_exp_mutex); -@@ -1286,7 +1286,7 @@ static void rcu_boost_kthread_setaffinity(struct rcu_node *rnp, int outgoingcpu) - free_cpumask_var(cm); - } - --static struct smp_hotplug_thread rcu_cpu_thread_spec = { -+static struct smp_hotplug_thread rcu_cpu_thread_spec __read_only = { - .store = &rcu_cpu_kthread_task, - .thread_should_run = rcu_cpu_kthread_should_run, - .thread_fn = rcu_cpu_kthread, -@@ -1757,7 +1757,7 @@ static void print_cpu_stall_info(struct rcu_state *rsp, int cpu) - print_cpu_stall_fast_no_hz(fast_no_hz, cpu); - pr_err("\t%d: (%lu %s) idle=%03x/%llx/%d softirq=%u/%u fqs=%ld %s\n", - cpu, ticks_value, ticks_title, -- atomic_read(&rdtp->dynticks) & 0xfff, -+ atomic_read_unchecked(&rdtp->dynticks) & 0xfff, - rdtp->dynticks_nesting, rdtp->dynticks_nmi_nesting, - rdp->softirq_snap, kstat_softirqs_cpu(RCU_SOFTIRQ, cpu), - ACCESS_ONCE(rsp->n_force_qs) - rsp->n_force_qs_gpstart, -@@ -1902,7 +1902,7 @@ static void wake_nocb_leader(struct rcu_data *rdp, bool force) - return; - if (ACCESS_ONCE(rdp_leader->nocb_leader_sleep) || force) { - /* Prior smp_mb__after_atomic() orders against prior enqueue. */ -- ACCESS_ONCE(rdp_leader->nocb_leader_sleep) = false; -+ ACCESS_ONCE_RW(rdp_leader->nocb_leader_sleep) = false; - wake_up(&rdp_leader->nocb_wq); - } - } -@@ -1975,7 +1975,7 @@ static void __call_rcu_nocb_enqueue(struct rcu_data *rdp, - atomic_long_add(rhcount, &rdp->nocb_q_count); - /* rcu_barrier() relies on ->nocb_q_count add before xchg. */ - old_rhpp = xchg(&rdp->nocb_tail, rhtp); -- ACCESS_ONCE(*old_rhpp) = rhp; -+ ACCESS_ONCE_RW(*old_rhpp) = rhp; - atomic_long_add(rhcount_lazy, &rdp->nocb_q_count_lazy); - smp_mb__after_atomic(); /* Store *old_rhpp before _wake test. */ - -@@ -2164,7 +2164,7 @@ wait_again: - continue; /* No CBs here, try next follower. */ - - /* Move callbacks to wait-for-GP list, which is empty. */ -- ACCESS_ONCE(rdp->nocb_head) = NULL; -+ ACCESS_ONCE_RW(rdp->nocb_head) = NULL; - rdp->nocb_gp_tail = xchg(&rdp->nocb_tail, &rdp->nocb_head); - gotcbs = true; - } -@@ -2285,7 +2285,7 @@ static int rcu_nocb_kthread(void *arg) - list = ACCESS_ONCE(rdp->nocb_follower_head); - BUG_ON(!list); - trace_rcu_nocb_wake(rdp->rsp->name, rdp->cpu, "WokeNonEmpty"); -- ACCESS_ONCE(rdp->nocb_follower_head) = NULL; -+ ACCESS_ONCE_RW(rdp->nocb_follower_head) = NULL; - tail = xchg(&rdp->nocb_follower_tail, &rdp->nocb_follower_head); - - /* Each pass through the following loop invokes a callback. */ -@@ -2335,7 +2335,7 @@ static void do_nocb_deferred_wakeup(struct rcu_data *rdp) - if (!rcu_nocb_need_deferred_wakeup(rdp)) - return; - ndw = ACCESS_ONCE(rdp->nocb_defer_wakeup); -- ACCESS_ONCE(rdp->nocb_defer_wakeup) = RCU_NOGP_WAKE_NOT; -+ ACCESS_ONCE_RW(rdp->nocb_defer_wakeup) = RCU_NOGP_WAKE_NOT; - wake_nocb_leader(rdp, ndw == RCU_NOGP_WAKE_FORCE); - trace_rcu_nocb_wake(rdp->rsp->name, rdp->cpu, TPS("DeferredWake")); - } -@@ -2448,7 +2448,7 @@ static void rcu_spawn_one_nocb_kthread(struct rcu_state *rsp, int cpu) - t = kthread_run(rcu_nocb_kthread, rdp_spawn, - "rcuo%c/%d", rsp->abbr, cpu); - BUG_ON(IS_ERR(t)); -- ACCESS_ONCE(rdp_spawn->nocb_kthread) = t; -+ ACCESS_ONCE_RW(rdp_spawn->nocb_kthread) = t; - } - - /* -@@ -2663,11 +2663,11 @@ static void rcu_sysidle_enter(int irq) - - /* Record start of fully idle period. */ - j = jiffies; -- ACCESS_ONCE(rdtp->dynticks_idle_jiffies) = j; -+ ACCESS_ONCE_RW(rdtp->dynticks_idle_jiffies) = j; - smp_mb__before_atomic(); -- atomic_inc(&rdtp->dynticks_idle); -+ atomic_inc_unchecked(&rdtp->dynticks_idle); - smp_mb__after_atomic(); -- WARN_ON_ONCE(atomic_read(&rdtp->dynticks_idle) & 0x1); -+ WARN_ON_ONCE(atomic_read_unchecked(&rdtp->dynticks_idle) & 0x1); - } - - /* -@@ -2738,9 +2738,9 @@ static void rcu_sysidle_exit(int irq) - - /* Record end of idle period. */ - smp_mb__before_atomic(); -- atomic_inc(&rdtp->dynticks_idle); -+ atomic_inc_unchecked(&rdtp->dynticks_idle); - smp_mb__after_atomic(); -- WARN_ON_ONCE(!(atomic_read(&rdtp->dynticks_idle) & 0x1)); -+ WARN_ON_ONCE(!(atomic_read_unchecked(&rdtp->dynticks_idle) & 0x1)); - - /* - * If we are the timekeeping CPU, we are permitted to be non-idle -@@ -2786,7 +2786,7 @@ static void rcu_sysidle_check_cpu(struct rcu_data *rdp, bool *isidle, - WARN_ON_ONCE(smp_processor_id() != tick_do_timer_cpu); - - /* Pick up current idle and NMI-nesting counter and check. */ -- cur = atomic_read(&rdtp->dynticks_idle); -+ cur = atomic_read_unchecked(&rdtp->dynticks_idle); - if (cur & 0x1) { - *isidle = false; /* We are not idle! */ - return; -@@ -2835,7 +2835,7 @@ static void rcu_sysidle(unsigned long j) - case RCU_SYSIDLE_NOT: - - /* First time all are idle, so note a short idle period. */ -- ACCESS_ONCE(full_sysidle_state) = RCU_SYSIDLE_SHORT; -+ ACCESS_ONCE_RW(full_sysidle_state) = RCU_SYSIDLE_SHORT; - break; - - case RCU_SYSIDLE_SHORT: -@@ -2873,7 +2873,7 @@ static void rcu_sysidle_cancel(void) - { - smp_mb(); - if (full_sysidle_state > RCU_SYSIDLE_SHORT) -- ACCESS_ONCE(full_sysidle_state) = RCU_SYSIDLE_NOT; -+ ACCESS_ONCE_RW(full_sysidle_state) = RCU_SYSIDLE_NOT; - } - - /* -@@ -2925,7 +2925,7 @@ static void rcu_sysidle_cb(struct rcu_head *rhp) - smp_mb(); /* grace period precedes setting inuse. */ - - rshp = container_of(rhp, struct rcu_sysidle_head, rh); -- ACCESS_ONCE(rshp->inuse) = 0; -+ ACCESS_ONCE_RW(rshp->inuse) = 0; - } - - /* -@@ -3077,7 +3077,7 @@ static void rcu_bind_gp_kthread(void) - static void rcu_dynticks_task_enter(void) - { - #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL) -- ACCESS_ONCE(current->rcu_tasks_idle_cpu) = smp_processor_id(); -+ ACCESS_ONCE_RW(current->rcu_tasks_idle_cpu) = smp_processor_id(); - #endif /* #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL) */ - } - -@@ -3085,6 +3085,6 @@ static void rcu_dynticks_task_enter(void) - static void rcu_dynticks_task_exit(void) - { - #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL) -- ACCESS_ONCE(current->rcu_tasks_idle_cpu) = -1; -+ ACCESS_ONCE_RW(current->rcu_tasks_idle_cpu) = -1; - #endif /* #if defined(CONFIG_TASKS_RCU) && defined(CONFIG_NO_HZ_FULL) */ - } -diff --git a/kernel/rcu/tree_trace.c b/kernel/rcu/tree_trace.c -index f92361e..0052f88 100644 ---- a/kernel/rcu/tree_trace.c -+++ b/kernel/rcu/tree_trace.c -@@ -125,7 +125,7 @@ static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp) - rdp->rcu_qs_ctr_snap == per_cpu(rcu_qs_ctr, rdp->cpu), - rdp->qs_pending); - seq_printf(m, " dt=%d/%llx/%d df=%lu", -- atomic_read(&rdp->dynticks->dynticks), -+ atomic_read_unchecked(&rdp->dynticks->dynticks), - rdp->dynticks->dynticks_nesting, - rdp->dynticks->dynticks_nmi_nesting, - rdp->dynticks_fqs); -@@ -186,17 +186,17 @@ static int show_rcuexp(struct seq_file *m, void *v) - struct rcu_state *rsp = (struct rcu_state *)m->private; - - seq_printf(m, "s=%lu d=%lu w=%lu tf=%lu wd1=%lu wd2=%lu n=%lu sc=%lu dt=%lu dl=%lu dx=%lu\n", -- atomic_long_read(&rsp->expedited_start), -+ atomic_long_read_unchecked(&rsp->expedited_start), - atomic_long_read(&rsp->expedited_done), -- atomic_long_read(&rsp->expedited_wrap), -- atomic_long_read(&rsp->expedited_tryfail), -- atomic_long_read(&rsp->expedited_workdone1), -- atomic_long_read(&rsp->expedited_workdone2), -- atomic_long_read(&rsp->expedited_normal), -- atomic_long_read(&rsp->expedited_stoppedcpus), -- atomic_long_read(&rsp->expedited_done_tries), -- atomic_long_read(&rsp->expedited_done_lost), -- atomic_long_read(&rsp->expedited_done_exit)); -+ atomic_long_read_unchecked(&rsp->expedited_wrap), -+ atomic_long_read_unchecked(&rsp->expedited_tryfail), -+ atomic_long_read_unchecked(&rsp->expedited_workdone1), -+ atomic_long_read_unchecked(&rsp->expedited_workdone2), -+ atomic_long_read_unchecked(&rsp->expedited_normal), -+ atomic_long_read_unchecked(&rsp->expedited_stoppedcpus), -+ atomic_long_read_unchecked(&rsp->expedited_done_tries), -+ atomic_long_read_unchecked(&rsp->expedited_done_lost), -+ atomic_long_read_unchecked(&rsp->expedited_done_exit)); - return 0; - } - -diff --git a/kernel/rcu/update.c b/kernel/rcu/update.c -index 1f13335..77ebb7f 100644 ---- a/kernel/rcu/update.c -+++ b/kernel/rcu/update.c -@@ -396,10 +396,10 @@ int rcu_jiffies_till_stall_check(void) - * for CONFIG_RCU_CPU_STALL_TIMEOUT. - */ - if (till_stall_check < 3) { -- ACCESS_ONCE(rcu_cpu_stall_timeout) = 3; -+ ACCESS_ONCE_RW(rcu_cpu_stall_timeout) = 3; - till_stall_check = 3; - } else if (till_stall_check > 300) { -- ACCESS_ONCE(rcu_cpu_stall_timeout) = 300; -+ ACCESS_ONCE_RW(rcu_cpu_stall_timeout) = 300; - till_stall_check = 300; - } - return till_stall_check * HZ + RCU_STALL_DELAY_DELTA; -@@ -555,7 +555,7 @@ static void check_holdout_task(struct task_struct *t, - !ACCESS_ONCE(t->on_rq) || - (IS_ENABLED(CONFIG_NO_HZ_FULL) && - !is_idle_task(t) && t->rcu_tasks_idle_cpu >= 0)) { -- ACCESS_ONCE(t->rcu_tasks_holdout) = false; -+ ACCESS_ONCE_RW(t->rcu_tasks_holdout) = false; - list_del_init(&t->rcu_tasks_holdout_list); - put_task_struct(t); - return; -@@ -643,7 +643,7 @@ static int __noreturn rcu_tasks_kthread(void *arg) - !is_idle_task(t)) { - get_task_struct(t); - t->rcu_tasks_nvcsw = ACCESS_ONCE(t->nvcsw); -- ACCESS_ONCE(t->rcu_tasks_holdout) = true; -+ ACCESS_ONCE_RW(t->rcu_tasks_holdout) = true; - list_add(&t->rcu_tasks_holdout_list, - &rcu_tasks_holdouts); - } -@@ -740,7 +740,7 @@ static void rcu_spawn_tasks_kthread(void) - t = kthread_run(rcu_tasks_kthread, NULL, "rcu_tasks_kthread"); - BUG_ON(IS_ERR(t)); - smp_mb(); /* Ensure others see full kthread. */ -- ACCESS_ONCE(rcu_tasks_kthread_ptr) = t; -+ ACCESS_ONCE_RW(rcu_tasks_kthread_ptr) = t; - mutex_unlock(&rcu_tasks_kthread_mutex); - } - -diff --git a/kernel/resource.c b/kernel/resource.c -index 90552aa..ad13346 100644 ---- a/kernel/resource.c -+++ b/kernel/resource.c -@@ -162,8 +162,18 @@ static const struct file_operations proc_iomem_operations = { - - static int __init ioresources_init(void) - { -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_create("ioports", S_IRUSR, NULL, &proc_ioports_operations); -+ proc_create("iomem", S_IRUSR, NULL, &proc_iomem_operations); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_create("ioports", S_IRUSR | S_IRGRP, NULL, &proc_ioports_operations); -+ proc_create("iomem", S_IRUSR | S_IRGRP, NULL, &proc_iomem_operations); -+#endif -+#else - proc_create("ioports", 0, NULL, &proc_ioports_operations); - proc_create("iomem", 0, NULL, &proc_iomem_operations); -+#endif - return 0; - } - __initcall(ioresources_init); -@@ -504,13 +514,13 @@ int region_is_ram(resource_size_t start, unsigned long size) - { - struct resource *p; - resource_size_t end = start + size - 1; -- int flags = IORESOURCE_MEM | IORESOURCE_BUSY; -+ unsigned long flags = IORESOURCE_MEM | IORESOURCE_BUSY; - const char *name = "System RAM"; - int ret = -1; - - read_lock(&resource_lock); - for (p = iomem_resource.child; p ; p = p->sibling) { -- if (end < p->start) -+ if (p->end < start) - continue; - - if (p->start <= start && end <= p->end) { -@@ -521,7 +531,7 @@ int region_is_ram(resource_size_t start, unsigned long size) - ret = 1; - break; - } -- if (p->end < start) -+ if (end < p->start) - break; /* not found */ - } - read_unlock(&resource_lock); -diff --git a/kernel/sched/auto_group.c b/kernel/sched/auto_group.c -index eae160d..c9aa22e 100644 ---- a/kernel/sched/auto_group.c -+++ b/kernel/sched/auto_group.c -@@ -11,7 +11,7 @@ - - unsigned int __read_mostly sysctl_sched_autogroup_enabled = 1; - static struct autogroup autogroup_default; --static atomic_t autogroup_seq_nr; -+static atomic_unchecked_t autogroup_seq_nr; - - void __init autogroup_init(struct task_struct *init_task) - { -@@ -79,7 +79,7 @@ static inline struct autogroup *autogroup_create(void) - - kref_init(&ag->kref); - init_rwsem(&ag->lock); -- ag->id = atomic_inc_return(&autogroup_seq_nr); -+ ag->id = atomic_inc_return_unchecked(&autogroup_seq_nr); - ag->tg = tg; - #ifdef CONFIG_RT_GROUP_SCHED - /* -diff --git a/kernel/sched/completion.c b/kernel/sched/completion.c -index 8d0f35d..c16360d 100644 ---- a/kernel/sched/completion.c -+++ b/kernel/sched/completion.c -@@ -205,7 +205,7 @@ EXPORT_SYMBOL(wait_for_completion_interruptible); - * Return: -ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1, - * or number of jiffies left till timeout) if completed. - */ --long __sched -+long __sched __intentional_overflow(-1) - wait_for_completion_interruptible_timeout(struct completion *x, - unsigned long timeout) - { -@@ -222,7 +222,7 @@ EXPORT_SYMBOL(wait_for_completion_interruptible_timeout); - * - * Return: -ERESTARTSYS if interrupted, 0 if completed. - */ --int __sched wait_for_completion_killable(struct completion *x) -+int __sched __intentional_overflow(-1) wait_for_completion_killable(struct completion *x) - { - long t = wait_for_common(x, MAX_SCHEDULE_TIMEOUT, TASK_KILLABLE); - if (t == -ERESTARTSYS) -@@ -243,7 +243,7 @@ EXPORT_SYMBOL(wait_for_completion_killable); - * Return: -ERESTARTSYS if interrupted, 0 if timed out, positive (at least 1, - * or number of jiffies left till timeout) if completed. - */ --long __sched -+long __sched __intentional_overflow(-1) - wait_for_completion_killable_timeout(struct completion *x, - unsigned long timeout) - { -diff --git a/kernel/sched/core.c b/kernel/sched/core.c -index 1236732..df281d6 100644 ---- a/kernel/sched/core.c -+++ b/kernel/sched/core.c -@@ -1867,7 +1867,7 @@ void set_numabalancing_state(bool enabled) - int sysctl_numa_balancing(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table t; -+ ctl_table_no_const t; - int err; - int state = numabalancing_enabled; - -@@ -2317,8 +2317,10 @@ context_switch(struct rq *rq, struct task_struct *prev, - next->active_mm = oldmm; - atomic_inc(&oldmm->mm_count); - enter_lazy_tlb(oldmm, next); -- } else -+ } else { - switch_mm(oldmm, mm, next); -+ populate_stack(); -+ } - - if (!prev->mm) { - prev->active_mm = NULL; -@@ -3129,6 +3131,8 @@ int can_nice(const struct task_struct *p, const int nice) - /* convert nice value [19,-20] to rlimit style value [1,40] */ - int nice_rlim = nice_to_rlimit(nice); - -+ gr_learn_resource(p, RLIMIT_NICE, nice_rlim, 1); -+ - return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) || - capable(CAP_SYS_NICE)); - } -@@ -3155,7 +3159,8 @@ SYSCALL_DEFINE1(nice, int, increment) - nice = task_nice(current) + increment; - - nice = clamp_val(nice, MIN_NICE, MAX_NICE); -- if (increment < 0 && !can_nice(current, nice)) -+ if (increment < 0 && (!can_nice(current, nice) || -+ gr_handle_chroot_nice())) - return -EPERM; - - retval = security_task_setnice(current, nice); -@@ -3467,6 +3472,7 @@ recheck: - if (policy != p->policy && !rlim_rtprio) - return -EPERM; - -+ gr_learn_resource(p, RLIMIT_RTPRIO, attr->sched_priority, 1); - /* can't increase priority */ - if (attr->sched_priority > p->rt_priority && - attr->sched_priority > rlim_rtprio) -@@ -4950,6 +4956,7 @@ void idle_task_exit(void) - - if (mm != &init_mm) { - switch_mm(mm, &init_mm, current); -+ populate_stack(); - finish_arch_post_lock_switch(); - } - mmdrop(mm); -@@ -5045,7 +5052,7 @@ static void migrate_tasks(unsigned int dead_cpu) - - #if defined(CONFIG_SCHED_DEBUG) && defined(CONFIG_SYSCTL) - --static struct ctl_table sd_ctl_dir[] = { -+static ctl_table_no_const sd_ctl_dir[] __read_only = { - { - .procname = "sched_domain", - .mode = 0555, -@@ -5062,17 +5069,17 @@ static struct ctl_table sd_ctl_root[] = { - {} - }; - --static struct ctl_table *sd_alloc_ctl_entry(int n) -+static ctl_table_no_const *sd_alloc_ctl_entry(int n) - { -- struct ctl_table *entry = -+ ctl_table_no_const *entry = - kcalloc(n, sizeof(struct ctl_table), GFP_KERNEL); - - return entry; - } - --static void sd_free_ctl_entry(struct ctl_table **tablep) -+static void sd_free_ctl_entry(ctl_table_no_const *tablep) - { -- struct ctl_table *entry; -+ ctl_table_no_const *entry; - - /* - * In the intermediate directories, both the child directory and -@@ -5080,22 +5087,25 @@ static void sd_free_ctl_entry(struct ctl_table **tablep) - * will always be set. In the lowest directory the names are - * static strings and all have proc handlers. - */ -- for (entry = *tablep; entry->mode; entry++) { -- if (entry->child) -- sd_free_ctl_entry(&entry->child); -+ for (entry = tablep; entry->mode; entry++) { -+ if (entry->child) { -+ sd_free_ctl_entry(entry->child); -+ pax_open_kernel(); -+ entry->child = NULL; -+ pax_close_kernel(); -+ } - if (entry->proc_handler == NULL) - kfree(entry->procname); - } - -- kfree(*tablep); -- *tablep = NULL; -+ kfree(tablep); - } - - static int min_load_idx = 0; - static int max_load_idx = CPU_LOAD_IDX_MAX-1; - - static void --set_table_entry(struct ctl_table *entry, -+set_table_entry(ctl_table_no_const *entry, - const char *procname, void *data, int maxlen, - umode_t mode, proc_handler *proc_handler, - bool load_idx) -@@ -5115,7 +5125,7 @@ set_table_entry(struct ctl_table *entry, - static struct ctl_table * - sd_alloc_ctl_domain_table(struct sched_domain *sd) - { -- struct ctl_table *table = sd_alloc_ctl_entry(14); -+ ctl_table_no_const *table = sd_alloc_ctl_entry(14); - - if (table == NULL) - return NULL; -@@ -5153,9 +5163,9 @@ sd_alloc_ctl_domain_table(struct sched_domain *sd) - return table; - } - --static struct ctl_table *sd_alloc_ctl_cpu_table(int cpu) -+static ctl_table_no_const *sd_alloc_ctl_cpu_table(int cpu) - { -- struct ctl_table *entry, *table; -+ ctl_table_no_const *entry, *table; - struct sched_domain *sd; - int domain_num = 0, i; - char buf[32]; -@@ -5182,11 +5192,13 @@ static struct ctl_table_header *sd_sysctl_header; - static void register_sched_domain_sysctl(void) - { - int i, cpu_num = num_possible_cpus(); -- struct ctl_table *entry = sd_alloc_ctl_entry(cpu_num + 1); -+ ctl_table_no_const *entry = sd_alloc_ctl_entry(cpu_num + 1); - char buf[32]; - - WARN_ON(sd_ctl_dir[0].child); -+ pax_open_kernel(); - sd_ctl_dir[0].child = entry; -+ pax_close_kernel(); - - if (entry == NULL) - return; -@@ -5209,8 +5221,12 @@ static void unregister_sched_domain_sysctl(void) - if (sd_sysctl_header) - unregister_sysctl_table(sd_sysctl_header); - sd_sysctl_header = NULL; -- if (sd_ctl_dir[0].child) -- sd_free_ctl_entry(&sd_ctl_dir[0].child); -+ if (sd_ctl_dir[0].child) { -+ sd_free_ctl_entry(sd_ctl_dir[0].child); -+ pax_open_kernel(); -+ sd_ctl_dir[0].child = NULL; -+ pax_close_kernel(); -+ } - } - #else - static void register_sched_domain_sysctl(void) -diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c -index c2980e8..4737a6d 100644 ---- a/kernel/sched/fair.c -+++ b/kernel/sched/fair.c -@@ -2107,7 +2107,7 @@ void task_numa_fault(int last_cpupid, int mem_node, int pages, int flags) - - static void reset_ptenuma_scan(struct task_struct *p) - { -- ACCESS_ONCE(p->mm->numa_scan_seq)++; -+ ACCESS_ONCE_RW(p->mm->numa_scan_seq)++; - p->mm->numa_scan_offset = 0; - } - -@@ -7753,7 +7753,7 @@ static void nohz_idle_balance(struct rq *this_rq, enum cpu_idle_type idle) { } - * run_rebalance_domains is triggered when needed from the scheduler tick. - * Also triggered for nohz idle balancing (with nohz_balancing_kick set). - */ --static void run_rebalance_domains(struct softirq_action *h) -+static __latent_entropy void run_rebalance_domains(void) - { - struct rq *this_rq = this_rq(); - enum cpu_idle_type idle = this_rq->idle_balance ? -diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h -index e0e1299..e1e896b 100644 ---- a/kernel/sched/sched.h -+++ b/kernel/sched/sched.h -@@ -1219,7 +1219,7 @@ struct sched_class { - #ifdef CONFIG_FAIR_GROUP_SCHED - void (*task_move_group) (struct task_struct *p, int on_rq); - #endif --}; -+} __do_const; - - static inline void put_prev_task(struct rq *rq, struct task_struct *prev) - { -diff --git a/kernel/signal.c b/kernel/signal.c -index 0206be7..6445784 100644 ---- a/kernel/signal.c -+++ b/kernel/signal.c -@@ -53,12 +53,12 @@ static struct kmem_cache *sigqueue_cachep; - - int print_fatal_signals __read_mostly; - --static void __user *sig_handler(struct task_struct *t, int sig) -+static __sighandler_t sig_handler(struct task_struct *t, int sig) - { - return t->sighand->action[sig - 1].sa.sa_handler; - } - --static int sig_handler_ignored(void __user *handler, int sig) -+static int sig_handler_ignored(__sighandler_t handler, int sig) - { - /* Is it explicitly or implicitly ignored? */ - return handler == SIG_IGN || -@@ -67,7 +67,7 @@ static int sig_handler_ignored(void __user *handler, int sig) - - static int sig_task_ignored(struct task_struct *t, int sig, bool force) - { -- void __user *handler; -+ __sighandler_t handler; - - handler = sig_handler(t, sig); - -@@ -372,6 +372,9 @@ __sigqueue_alloc(int sig, struct task_struct *t, gfp_t flags, int override_rlimi - atomic_inc(&user->sigpending); - rcu_read_unlock(); - -+ if (!override_rlimit) -+ gr_learn_resource(t, RLIMIT_SIGPENDING, atomic_read(&user->sigpending), 1); -+ - if (override_rlimit || - atomic_read(&user->sigpending) <= - task_rlimit(t, RLIMIT_SIGPENDING)) { -@@ -499,7 +502,7 @@ flush_signal_handlers(struct task_struct *t, int force_default) - - int unhandled_signal(struct task_struct *tsk, int sig) - { -- void __user *handler = tsk->sighand->action[sig-1].sa.sa_handler; -+ __sighandler_t handler = tsk->sighand->action[sig-1].sa.sa_handler; - if (is_global_init(tsk)) - return 1; - if (handler != SIG_IGN && handler != SIG_DFL) -@@ -793,6 +796,13 @@ static int check_kill_permission(int sig, struct siginfo *info, - } - } - -+ /* allow glibc communication via tgkill to other threads in our -+ thread group */ -+ if ((info == SEND_SIG_NOINFO || info->si_code != SI_TKILL || -+ sig != (SIGRTMIN+1) || task_tgid_vnr(t) != info->si_pid) -+ && gr_handle_signal(t, sig)) -+ return -EPERM; -+ - return security_task_kill(t, info, sig, 0); - } - -@@ -1176,7 +1186,7 @@ __group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p) - return send_signal(sig, info, p, 1); - } - --static int -+int - specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t) - { - return send_signal(sig, info, t, 0); -@@ -1213,6 +1223,7 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t) - unsigned long int flags; - int ret, blocked, ignored; - struct k_sigaction *action; -+ int is_unhandled = 0; - - spin_lock_irqsave(&t->sighand->siglock, flags); - action = &t->sighand->action[sig-1]; -@@ -1227,9 +1238,18 @@ force_sig_info(int sig, struct siginfo *info, struct task_struct *t) - } - if (action->sa.sa_handler == SIG_DFL) - t->signal->flags &= ~SIGNAL_UNKILLABLE; -+ if (action->sa.sa_handler == SIG_IGN || action->sa.sa_handler == SIG_DFL) -+ is_unhandled = 1; - ret = specific_send_sig_info(sig, info, t); - spin_unlock_irqrestore(&t->sighand->siglock, flags); - -+ /* only deal with unhandled signals, java etc trigger SIGSEGV during -+ normal operation */ -+ if (is_unhandled) { -+ gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, t); -+ gr_handle_crash(t, sig); -+ } -+ - return ret; - } - -@@ -1310,8 +1330,11 @@ int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p) - ret = check_kill_permission(sig, info, p); - rcu_read_unlock(); - -- if (!ret && sig) -+ if (!ret && sig) { - ret = do_send_sig_info(sig, info, p, true); -+ if (!ret) -+ gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, p); -+ } - - return ret; - } -@@ -2918,7 +2941,15 @@ do_send_specific(pid_t tgid, pid_t pid, int sig, struct siginfo *info) - int error = -ESRCH; - - rcu_read_lock(); -- p = find_task_by_vpid(pid); -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ /* allow glibc communication via tgkill to other threads in our -+ thread group */ -+ if (grsec_enable_chroot_findtask && info->si_code == SI_TKILL && -+ sig == (SIGRTMIN+1) && tgid == info->si_pid) -+ p = find_task_by_vpid_unrestricted(pid); -+ else -+#endif -+ p = find_task_by_vpid(pid); - if (p && (tgid <= 0 || task_tgid_vnr(p) == tgid)) { - error = check_kill_permission(sig, info, p); - /* -@@ -3247,8 +3278,8 @@ COMPAT_SYSCALL_DEFINE2(sigaltstack, - } - seg = get_fs(); - set_fs(KERNEL_DS); -- ret = do_sigaltstack((stack_t __force __user *) (uss_ptr ? &uss : NULL), -- (stack_t __force __user *) &uoss, -+ ret = do_sigaltstack((stack_t __force_user *) (uss_ptr ? &uss : NULL), -+ (stack_t __force_user *) &uoss, - compat_user_stack_pointer()); - set_fs(seg); - if (ret >= 0 && uoss_ptr) { -diff --git a/kernel/smpboot.c b/kernel/smpboot.c -index c697f73..4ef1c25 100644 ---- a/kernel/smpboot.c -+++ b/kernel/smpboot.c -@@ -291,7 +291,7 @@ int smpboot_register_percpu_thread(struct smp_hotplug_thread *plug_thread) - } - smpboot_unpark_thread(plug_thread, cpu); - } -- list_add(&plug_thread->list, &hotplug_threads); -+ pax_list_add(&plug_thread->list, &hotplug_threads); - out: - mutex_unlock(&smpboot_threads_lock); - put_online_cpus(); -@@ -309,7 +309,7 @@ void smpboot_unregister_percpu_thread(struct smp_hotplug_thread *plug_thread) - { - get_online_cpus(); - mutex_lock(&smpboot_threads_lock); -- list_del(&plug_thread->list); -+ pax_list_del(&plug_thread->list); - smpboot_destroy_threads(plug_thread); - mutex_unlock(&smpboot_threads_lock); - put_online_cpus(); -diff --git a/kernel/softirq.c b/kernel/softirq.c -index 479e443..66d845e1 100644 ---- a/kernel/softirq.c -+++ b/kernel/softirq.c -@@ -53,7 +53,7 @@ irq_cpustat_t irq_stat[NR_CPUS] ____cacheline_aligned; - EXPORT_SYMBOL(irq_stat); - #endif - --static struct softirq_action softirq_vec[NR_SOFTIRQS] __cacheline_aligned_in_smp; -+static struct softirq_action softirq_vec[NR_SOFTIRQS] __read_only __aligned(PAGE_SIZE); - - DEFINE_PER_CPU(struct task_struct *, ksoftirqd); - -@@ -270,7 +270,7 @@ restart: - kstat_incr_softirqs_this_cpu(vec_nr); - - trace_softirq_entry(vec_nr); -- h->action(h); -+ h->action(); - trace_softirq_exit(vec_nr); - if (unlikely(prev_count != preempt_count())) { - pr_err("huh, entered softirq %u %s %p with preempt_count %08x, exited with %08x?\n", -@@ -430,7 +430,7 @@ void __raise_softirq_irqoff(unsigned int nr) - or_softirq_pending(1UL << nr); - } - --void open_softirq(int nr, void (*action)(struct softirq_action *)) -+void __init open_softirq(int nr, void (*action)(void)) - { - softirq_vec[nr].action = action; - } -@@ -482,7 +482,7 @@ void __tasklet_hi_schedule_first(struct tasklet_struct *t) - } - EXPORT_SYMBOL(__tasklet_hi_schedule_first); - --static void tasklet_action(struct softirq_action *a) -+static void tasklet_action(void) - { - struct tasklet_struct *list; - -@@ -518,7 +518,7 @@ static void tasklet_action(struct softirq_action *a) - } - } - --static void tasklet_hi_action(struct softirq_action *a) -+static __latent_entropy void tasklet_hi_action(void) - { - struct tasklet_struct *list; - -@@ -744,7 +744,7 @@ static struct notifier_block cpu_nfb = { - .notifier_call = cpu_callback - }; - --static struct smp_hotplug_thread softirq_threads = { -+static struct smp_hotplug_thread softirq_threads __read_only = { - .store = &ksoftirqd, - .thread_should_run = ksoftirqd_should_run, - .thread_fn = run_ksoftirqd, -diff --git a/kernel/sys.c b/kernel/sys.c -index a4e372b..766810e 100644 ---- a/kernel/sys.c -+++ b/kernel/sys.c -@@ -160,6 +160,12 @@ static int set_one_prio(struct task_struct *p, int niceval, int error) - error = -EACCES; - goto out; - } -+ -+ if (gr_handle_chroot_setpriority(p, niceval)) { -+ error = -EACCES; -+ goto out; -+ } -+ - no_nice = security_task_setnice(p, niceval); - if (no_nice) { - error = no_nice; -@@ -366,6 +372,20 @@ SYSCALL_DEFINE2(setregid, gid_t, rgid, gid_t, egid) - goto error; - } - -+ if (gr_check_group_change(new->gid, new->egid, INVALID_GID)) -+ goto error; -+ -+ if (!gid_eq(new->gid, old->gid)) { -+ /* make sure we generate a learn log for what will -+ end up being a role transition after a full-learning -+ policy is generated -+ CAP_SETGID is required to perform a transition -+ we may not log a CAP_SETGID check above, e.g. -+ in the case where new rgid = old egid -+ */ -+ gr_learn_cap(current, new, CAP_SETGID); -+ } -+ - if (rgid != (gid_t) -1 || - (egid != (gid_t) -1 && !gid_eq(kegid, old->gid))) - new->sgid = new->egid; -@@ -401,6 +421,10 @@ SYSCALL_DEFINE1(setgid, gid_t, gid) - old = current_cred(); - - retval = -EPERM; -+ -+ if (gr_check_group_change(kgid, kgid, kgid)) -+ goto error; -+ - if (ns_capable(old->user_ns, CAP_SETGID)) - new->gid = new->egid = new->sgid = new->fsgid = kgid; - else if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->sgid)) -@@ -418,7 +442,7 @@ error: - /* - * change the user struct in a credentials set to match the new UID - */ --static int set_user(struct cred *new) -+int set_user(struct cred *new) - { - struct user_struct *new_user; - -@@ -498,7 +522,18 @@ SYSCALL_DEFINE2(setreuid, uid_t, ruid, uid_t, euid) - goto error; - } - -+ if (gr_check_user_change(new->uid, new->euid, INVALID_UID)) -+ goto error; -+ - if (!uid_eq(new->uid, old->uid)) { -+ /* make sure we generate a learn log for what will -+ end up being a role transition after a full-learning -+ policy is generated -+ CAP_SETUID is required to perform a transition -+ we may not log a CAP_SETUID check above, e.g. -+ in the case where new ruid = old euid -+ */ -+ gr_learn_cap(current, new, CAP_SETUID); - retval = set_user(new); - if (retval < 0) - goto error; -@@ -548,6 +583,12 @@ SYSCALL_DEFINE1(setuid, uid_t, uid) - old = current_cred(); - - retval = -EPERM; -+ -+ if (gr_check_crash_uid(kuid)) -+ goto error; -+ if (gr_check_user_change(kuid, kuid, kuid)) -+ goto error; -+ - if (ns_capable(old->user_ns, CAP_SETUID)) { - new->suid = new->uid = kuid; - if (!uid_eq(kuid, old->uid)) { -@@ -617,6 +658,9 @@ SYSCALL_DEFINE3(setresuid, uid_t, ruid, uid_t, euid, uid_t, suid) - goto error; - } - -+ if (gr_check_user_change(kruid, keuid, INVALID_UID)) -+ goto error; -+ - if (ruid != (uid_t) -1) { - new->uid = kruid; - if (!uid_eq(kruid, old->uid)) { -@@ -701,6 +745,9 @@ SYSCALL_DEFINE3(setresgid, gid_t, rgid, gid_t, egid, gid_t, sgid) - goto error; - } - -+ if (gr_check_group_change(krgid, kegid, INVALID_GID)) -+ goto error; -+ - if (rgid != (gid_t) -1) - new->gid = krgid; - if (egid != (gid_t) -1) -@@ -765,12 +812,16 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid) - uid_eq(kuid, old->suid) || uid_eq(kuid, old->fsuid) || - ns_capable(old->user_ns, CAP_SETUID)) { - if (!uid_eq(kuid, old->fsuid)) { -+ if (gr_check_user_change(INVALID_UID, INVALID_UID, kuid)) -+ goto error; -+ - new->fsuid = kuid; - if (security_task_fix_setuid(new, old, LSM_SETID_FS) == 0) - goto change_okay; - } - } - -+error: - abort_creds(new); - return old_fsuid; - -@@ -803,12 +854,16 @@ SYSCALL_DEFINE1(setfsgid, gid_t, gid) - if (gid_eq(kgid, old->gid) || gid_eq(kgid, old->egid) || - gid_eq(kgid, old->sgid) || gid_eq(kgid, old->fsgid) || - ns_capable(old->user_ns, CAP_SETGID)) { -+ if (gr_check_group_change(INVALID_GID, INVALID_GID, kgid)) -+ goto error; -+ - if (!gid_eq(kgid, old->fsgid)) { - new->fsgid = kgid; - goto change_okay; - } - } - -+error: - abort_creds(new); - return old_fsgid; - -@@ -1187,19 +1242,19 @@ SYSCALL_DEFINE1(olduname, struct oldold_utsname __user *, name) - return -EFAULT; - - down_read(&uts_sem); -- error = __copy_to_user(&name->sysname, &utsname()->sysname, -+ error = __copy_to_user(name->sysname, &utsname()->sysname, - __OLD_UTS_LEN); - error |= __put_user(0, name->sysname + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->nodename, &utsname()->nodename, -+ error |= __copy_to_user(name->nodename, &utsname()->nodename, - __OLD_UTS_LEN); - error |= __put_user(0, name->nodename + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->release, &utsname()->release, -+ error |= __copy_to_user(name->release, &utsname()->release, - __OLD_UTS_LEN); - error |= __put_user(0, name->release + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->version, &utsname()->version, -+ error |= __copy_to_user(name->version, &utsname()->version, - __OLD_UTS_LEN); - error |= __put_user(0, name->version + __OLD_UTS_LEN); -- error |= __copy_to_user(&name->machine, &utsname()->machine, -+ error |= __copy_to_user(name->machine, &utsname()->machine, - __OLD_UTS_LEN); - error |= __put_user(0, name->machine + __OLD_UTS_LEN); - up_read(&uts_sem); -@@ -1400,6 +1455,13 @@ int do_prlimit(struct task_struct *tsk, unsigned int resource, - */ - new_rlim->rlim_cur = 1; - } -+ /* Handle the case where a fork and setuid occur and then RLIMIT_NPROC -+ is changed to a lower value. Since tasks can be created by the same -+ user in between this limit change and an execve by this task, force -+ a recheck only for this task by setting PF_NPROC_EXCEEDED -+ */ -+ if (resource == RLIMIT_NPROC && tsk->real_cred->user != INIT_USER) -+ tsk->flags |= PF_NPROC_EXCEEDED; - } - if (!retval) { - if (old_rlim) -diff --git a/kernel/sysctl.c b/kernel/sysctl.c -index c3eee4c..2e53ad1 100644 ---- a/kernel/sysctl.c -+++ b/kernel/sysctl.c -@@ -94,7 +94,6 @@ - #endif - - #if defined(CONFIG_SYSCTL) -- - /* External variables not in a header file. */ - extern int suid_dumpable; - #ifdef CONFIG_COREDUMP -@@ -111,22 +110,24 @@ extern int sysctl_nr_open_min, sysctl_nr_open_max; - #ifndef CONFIG_MMU - extern int sysctl_nr_trim_pages; - #endif -+extern int sysctl_modify_ldt; - - /* Constants used for minimum and maximum */ - #ifdef CONFIG_LOCKUP_DETECTOR --static int sixty = 60; -+static int sixty __read_only = 60; - #endif - --static int __maybe_unused neg_one = -1; -+static int __maybe_unused neg_one __read_only = -1; - --static int zero; --static int __maybe_unused one = 1; --static int __maybe_unused two = 2; --static int __maybe_unused four = 4; --static unsigned long one_ul = 1; --static int one_hundred = 100; -+static int zero __read_only = 0; -+static int __maybe_unused one __read_only = 1; -+static int __maybe_unused two __read_only = 2; -+static int __maybe_unused three __read_only = 3; -+static int __maybe_unused four __read_only = 4; -+static unsigned long one_ul __read_only = 1; -+static int one_hundred __read_only = 100; - #ifdef CONFIG_PRINTK --static int ten_thousand = 10000; -+static int ten_thousand __read_only = 10000; - #endif - - /* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */ -@@ -180,10 +181,8 @@ static int proc_taint(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos); - #endif - --#ifdef CONFIG_PRINTK --static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, -+static int proc_dointvec_minmax_secure_sysadmin(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos); --#endif - - static int proc_dointvec_minmax_coredump(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos); -@@ -214,6 +213,8 @@ static int sysrq_sysctl_handler(struct ctl_table *table, int write, - - #endif - -+extern struct ctl_table grsecurity_table[]; -+ - static struct ctl_table kern_table[]; - static struct ctl_table vm_table[]; - static struct ctl_table fs_table[]; -@@ -228,6 +229,20 @@ extern struct ctl_table epoll_table[]; - int sysctl_legacy_va_layout; - #endif - -+#ifdef CONFIG_PAX_SOFTMODE -+static struct ctl_table pax_table[] = { -+ { -+ .procname = "softmode", -+ .data = &pax_softmode, -+ .maxlen = sizeof(unsigned int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ -+ { } -+}; -+#endif -+ - /* The default sysctl tables: */ - - static struct ctl_table sysctl_base_table[] = { -@@ -276,6 +291,22 @@ static int max_extfrag_threshold = 1000; - #endif - - static struct ctl_table kern_table[] = { -+#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS) -+ { -+ .procname = "grsecurity", -+ .mode = 0500, -+ .child = grsecurity_table, -+ }, -+#endif -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ { -+ .procname = "pax", -+ .mode = 0500, -+ .child = pax_table, -+ }, -+#endif -+ - { - .procname = "sched_child_runs_first", - .data = &sysctl_sched_child_runs_first, -@@ -637,7 +668,7 @@ static struct ctl_table kern_table[] = { - .maxlen = sizeof(int), - .mode = 0644, - /* only handle a transition from default "0" to "1" */ -- .proc_handler = proc_dointvec_minmax, -+ .proc_handler = proc_dointvec_minmax_secure, - .extra1 = &one, - .extra2 = &one, - }, -@@ -648,7 +679,7 @@ static struct ctl_table kern_table[] = { - .data = &modprobe_path, - .maxlen = KMOD_PATH_LEN, - .mode = 0644, -- .proc_handler = proc_dostring, -+ .proc_handler = proc_dostring_modpriv, - }, - { - .procname = "modules_disabled", -@@ -656,7 +687,7 @@ static struct ctl_table kern_table[] = { - .maxlen = sizeof(int), - .mode = 0644, - /* only handle a transition from default "0" to "1" */ -- .proc_handler = proc_dointvec_minmax, -+ .proc_handler = proc_dointvec_minmax_secure, - .extra1 = &one, - .extra2 = &one, - }, -@@ -811,20 +842,24 @@ static struct ctl_table kern_table[] = { - .data = &dmesg_restrict, - .maxlen = sizeof(int), - .mode = 0644, -- .proc_handler = proc_dointvec_minmax_sysadmin, -+ .proc_handler = proc_dointvec_minmax_secure_sysadmin, - .extra1 = &zero, - .extra2 = &one, - }, -+#endif - { - .procname = "kptr_restrict", - .data = &kptr_restrict, - .maxlen = sizeof(int), - .mode = 0644, -- .proc_handler = proc_dointvec_minmax_sysadmin, -+ .proc_handler = proc_dointvec_minmax_secure_sysadmin, -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ .extra1 = &two, -+#else - .extra1 = &zero, -+#endif - .extra2 = &two, - }, --#endif - { - .procname = "ngroups_max", - .data = &ngroups_max, -@@ -962,6 +997,15 @@ static struct ctl_table kern_table[] = { - .mode = 0644, - .proc_handler = proc_dointvec, - }, -+ { -+ .procname = "modify_ldt", -+ .data = &sysctl_modify_ldt, -+ .maxlen = sizeof(int), -+ .mode = 0644, -+ .proc_handler = proc_dointvec_minmax_secure_sysadmin, -+ .extra1 = &zero, -+ .extra2 = &one, -+ }, - #endif - #if defined(CONFIG_MMU) - { -@@ -1084,10 +1128,17 @@ static struct ctl_table kern_table[] = { - */ - { - .procname = "perf_event_paranoid", -- .data = &sysctl_perf_event_paranoid, -- .maxlen = sizeof(sysctl_perf_event_paranoid), -+ .data = &sysctl_perf_event_legitimately_concerned, -+ .maxlen = sizeof(sysctl_perf_event_legitimately_concerned), - .mode = 0644, -- .proc_handler = proc_dointvec, -+ /* go ahead, be a hero */ -+ .proc_handler = proc_dointvec_minmax_secure_sysadmin, -+ .extra1 = &neg_one, -+#ifdef CONFIG_GRKERNSEC_PERF_HARDEN -+ .extra2 = &three, -+#else -+ .extra2 = &two, -+#endif - }, - { - .procname = "perf_event_mlock_kb", -@@ -1369,6 +1420,13 @@ static struct ctl_table vm_table[] = { - .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - }, -+ { -+ .procname = "heap_stack_gap", -+ .data = &sysctl_heap_stack_gap, -+ .maxlen = sizeof(sysctl_heap_stack_gap), -+ .mode = 0644, -+ .proc_handler = proc_doulongvec_minmax, -+ }, - #else - { - .procname = "nr_trim_pages", -@@ -1845,6 +1903,16 @@ int proc_dostring(struct ctl_table *table, int write, - (char __user *)buffer, lenp, ppos); - } - -+int proc_dostring_modpriv(struct ctl_table *table, int write, -+ void __user *buffer, size_t *lenp, loff_t *ppos) -+{ -+ if (write && !capable(CAP_SYS_MODULE)) -+ return -EPERM; -+ -+ return _proc_do_string(table->data, table->maxlen, write, -+ buffer, lenp, ppos); -+} -+ - static size_t proc_skip_spaces(char **buf) - { - size_t ret; -@@ -1950,6 +2018,8 @@ static int proc_put_long(void __user **buf, size_t *size, unsigned long val, - len = strlen(tmp); - if (len > *size) - len = *size; -+ if (len > sizeof(tmp)) -+ len = sizeof(tmp); - if (copy_to_user(*buf, tmp, len)) - return -EFAULT; - *size -= len; -@@ -1988,7 +2058,7 @@ static int do_proc_dointvec_conv(bool *negp, unsigned long *lvalp, - int val = *valp; - if (val < 0) { - *negp = true; -- *lvalp = (unsigned long)-val; -+ *lvalp = -(unsigned long)val; - } else { - *negp = false; - *lvalp = (unsigned long)val; -@@ -2128,6 +2198,44 @@ int proc_dointvec(struct ctl_table *table, int write, - NULL,NULL); - } - -+static int do_proc_dointvec_conv_secure(bool *negp, unsigned long *lvalp, -+ int *valp, -+ int write, void *data) -+{ -+ if (write) { -+ if (*negp) { -+ if (*lvalp > (unsigned long) INT_MAX + 1) -+ return -EINVAL; -+ pax_open_kernel(); -+ *valp = -*lvalp; -+ pax_close_kernel(); -+ } else { -+ if (*lvalp > (unsigned long) INT_MAX) -+ return -EINVAL; -+ pax_open_kernel(); -+ *valp = *lvalp; -+ pax_close_kernel(); -+ } -+ } else { -+ int val = *valp; -+ if (val < 0) { -+ *negp = true; -+ *lvalp = -(unsigned long)val; -+ } else { -+ *negp = false; -+ *lvalp = (unsigned long)val; -+ } -+ } -+ return 0; -+} -+ -+int proc_dointvec_secure(struct ctl_table *table, int write, -+ void __user *buffer, size_t *lenp, loff_t *ppos) -+{ -+ return do_proc_dointvec(table,write,buffer,lenp,ppos, -+ do_proc_dointvec_conv_secure,NULL); -+} -+ - /* - * Taint values can only be increased - * This means we can safely use a temporary. -@@ -2135,7 +2243,7 @@ int proc_dointvec(struct ctl_table *table, int write, - static int proc_taint(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table t; -+ ctl_table_no_const t; - unsigned long tmptaint = get_taint(); - int err; - -@@ -2163,16 +2271,14 @@ static int proc_taint(struct ctl_table *table, int write, - return err; - } - --#ifdef CONFIG_PRINTK --static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, -+static int proc_dointvec_minmax_secure_sysadmin(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - if (write && !capable(CAP_SYS_ADMIN)) - return -EPERM; - -- return proc_dointvec_minmax(table, write, buffer, lenp, ppos); -+ return proc_dointvec_minmax_secure(table, write, buffer, lenp, ppos); - } --#endif - - struct do_proc_dointvec_minmax_conv_param { - int *min; -@@ -2194,7 +2300,33 @@ static int do_proc_dointvec_minmax_conv(bool *negp, unsigned long *lvalp, - int val = *valp; - if (val < 0) { - *negp = true; -- *lvalp = (unsigned long)-val; -+ *lvalp = -(unsigned long)val; -+ } else { -+ *negp = false; -+ *lvalp = (unsigned long)val; -+ } -+ } -+ return 0; -+} -+ -+static int do_proc_dointvec_minmax_conv_secure(bool *negp, unsigned long *lvalp, -+ int *valp, -+ int write, void *data) -+{ -+ struct do_proc_dointvec_minmax_conv_param *param = data; -+ if (write) { -+ int val = *negp ? -*lvalp : *lvalp; -+ if ((param->min && *param->min > val) || -+ (param->max && *param->max < val)) -+ return -EINVAL; -+ pax_open_kernel(); -+ *valp = val; -+ pax_close_kernel(); -+ } else { -+ int val = *valp; -+ if (val < 0) { -+ *negp = true; -+ *lvalp = -(unsigned long)val; - } else { - *negp = false; - *lvalp = (unsigned long)val; -@@ -2230,6 +2362,17 @@ int proc_dointvec_minmax(struct ctl_table *table, int write, - do_proc_dointvec_minmax_conv, &param); - } - -+int proc_dointvec_minmax_secure(struct ctl_table *table, int write, -+ void __user *buffer, size_t *lenp, loff_t *ppos) -+{ -+ struct do_proc_dointvec_minmax_conv_param param = { -+ .min = (int *) table->extra1, -+ .max = (int *) table->extra2, -+ }; -+ return do_proc_dointvec(table, write, buffer, lenp, ppos, -+ do_proc_dointvec_minmax_conv_secure, &param); -+} -+ - static void validate_coredump_safety(void) - { - #ifdef CONFIG_COREDUMP -@@ -2429,7 +2572,7 @@ static int do_proc_dointvec_jiffies_conv(bool *negp, unsigned long *lvalp, - unsigned long lval; - if (val < 0) { - *negp = true; -- lval = (unsigned long)-val; -+ lval = -(unsigned long)val; - } else { - *negp = false; - lval = (unsigned long)val; -@@ -2452,7 +2595,7 @@ static int do_proc_dointvec_userhz_jiffies_conv(bool *negp, unsigned long *lvalp - unsigned long lval; - if (val < 0) { - *negp = true; -- lval = (unsigned long)-val; -+ lval = -(unsigned long)val; - } else { - *negp = false; - lval = (unsigned long)val; -@@ -2477,7 +2620,7 @@ static int do_proc_dointvec_ms_jiffies_conv(bool *negp, unsigned long *lvalp, - unsigned long lval; - if (val < 0) { - *negp = true; -- lval = (unsigned long)-val; -+ lval = -(unsigned long)val; - } else { - *negp = false; - lval = (unsigned long)val; -@@ -2732,6 +2875,12 @@ int proc_dostring(struct ctl_table *table, int write, - return -ENOSYS; - } - -+int proc_dostring_modpriv(struct ctl_table *table, int write, -+ void __user *buffer, size_t *lenp, loff_t *ppos) -+{ -+ return -ENOSYS; -+} -+ - int proc_dointvec(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -@@ -2788,5 +2937,6 @@ EXPORT_SYMBOL(proc_dointvec_minmax); - EXPORT_SYMBOL(proc_dointvec_userhz_jiffies); - EXPORT_SYMBOL(proc_dointvec_ms_jiffies); - EXPORT_SYMBOL(proc_dostring); -+EXPORT_SYMBOL(proc_dostring_modpriv); - EXPORT_SYMBOL(proc_doulongvec_minmax); - EXPORT_SYMBOL(proc_doulongvec_ms_jiffies_minmax); -diff --git a/kernel/taskstats.c b/kernel/taskstats.c -index 21f82c2..c1984e5 100644 ---- a/kernel/taskstats.c -+++ b/kernel/taskstats.c -@@ -28,9 +28,12 @@ - #include <linux/fs.h> - #include <linux/file.h> - #include <linux/pid_namespace.h> -+#include <linux/grsecurity.h> - #include <net/genetlink.h> - #include <linux/atomic.h> - -+extern int gr_is_taskstats_denied(int pid); -+ - /* - * Maximum length of a cpumask that can be specified in - * the TASKSTATS_CMD_ATTR_REGISTER/DEREGISTER_CPUMASK attribute -@@ -567,6 +570,9 @@ err: - - static int taskstats_user_cmd(struct sk_buff *skb, struct genl_info *info) - { -+ if (gr_is_taskstats_denied(current->pid)) -+ return -EACCES; -+ - if (info->attrs[TASKSTATS_CMD_ATTR_REGISTER_CPUMASK]) - return cmd_attr_register_cpumask(info); - else if (info->attrs[TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK]) -diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c -index 1b001ed..55ef9e4 100644 ---- a/kernel/time/alarmtimer.c -+++ b/kernel/time/alarmtimer.c -@@ -823,7 +823,7 @@ static int __init alarmtimer_init(void) - struct platform_device *pdev; - int error = 0; - int i; -- struct k_clock alarm_clock = { -+ static struct k_clock alarm_clock = { - .clock_getres = alarm_clock_getres, - .clock_get = alarm_clock_get, - .timer_create = alarm_timer_create, -diff --git a/kernel/time/hrtimer.c b/kernel/time/hrtimer.c -index 93ef7190..7c85701 100644 ---- a/kernel/time/hrtimer.c -+++ b/kernel/time/hrtimer.c -@@ -1393,7 +1393,7 @@ void hrtimer_peek_ahead_timers(void) - local_irq_restore(flags); - } - --static void run_hrtimer_softirq(struct softirq_action *h) -+static __latent_entropy void run_hrtimer_softirq(void) - { - hrtimer_peek_ahead_timers(); - } -diff --git a/kernel/time/posix-cpu-timers.c b/kernel/time/posix-cpu-timers.c -index 0075da7..63cc872 100644 ---- a/kernel/time/posix-cpu-timers.c -+++ b/kernel/time/posix-cpu-timers.c -@@ -1449,14 +1449,14 @@ struct k_clock clock_posix_cpu = { - - static __init int init_posix_cpu_timers(void) - { -- struct k_clock process = { -+ static struct k_clock process = { - .clock_getres = process_cpu_clock_getres, - .clock_get = process_cpu_clock_get, - .timer_create = process_cpu_timer_create, - .nsleep = process_cpu_nsleep, - .nsleep_restart = process_cpu_nsleep_restart, - }; -- struct k_clock thread = { -+ static struct k_clock thread = { - .clock_getres = thread_cpu_clock_getres, - .clock_get = thread_cpu_clock_get, - .timer_create = thread_cpu_timer_create, -diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c -index 31ea01f..7fc61ef 100644 ---- a/kernel/time/posix-timers.c -+++ b/kernel/time/posix-timers.c -@@ -43,6 +43,7 @@ - #include <linux/hash.h> - #include <linux/posix-clock.h> - #include <linux/posix-timers.h> -+#include <linux/grsecurity.h> - #include <linux/syscalls.h> - #include <linux/wait.h> - #include <linux/workqueue.h> -@@ -124,7 +125,7 @@ static DEFINE_SPINLOCK(hash_lock); - * which we beg off on and pass to do_sys_settimeofday(). - */ - --static struct k_clock posix_clocks[MAX_CLOCKS]; -+static struct k_clock *posix_clocks[MAX_CLOCKS]; - - /* - * These ones are defined below. -@@ -277,7 +278,7 @@ static int posix_get_tai(clockid_t which_clock, struct timespec *tp) - */ - static __init int init_posix_timers(void) - { -- struct k_clock clock_realtime = { -+ static struct k_clock clock_realtime = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_clock_realtime_get, - .clock_set = posix_clock_realtime_set, -@@ -289,7 +290,7 @@ static __init int init_posix_timers(void) - .timer_get = common_timer_get, - .timer_del = common_timer_del, - }; -- struct k_clock clock_monotonic = { -+ static struct k_clock clock_monotonic = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_ktime_get_ts, - .nsleep = common_nsleep, -@@ -299,19 +300,19 @@ static __init int init_posix_timers(void) - .timer_get = common_timer_get, - .timer_del = common_timer_del, - }; -- struct k_clock clock_monotonic_raw = { -+ static struct k_clock clock_monotonic_raw = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_get_monotonic_raw, - }; -- struct k_clock clock_realtime_coarse = { -+ static struct k_clock clock_realtime_coarse = { - .clock_getres = posix_get_coarse_res, - .clock_get = posix_get_realtime_coarse, - }; -- struct k_clock clock_monotonic_coarse = { -+ static struct k_clock clock_monotonic_coarse = { - .clock_getres = posix_get_coarse_res, - .clock_get = posix_get_monotonic_coarse, - }; -- struct k_clock clock_tai = { -+ static struct k_clock clock_tai = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_get_tai, - .nsleep = common_nsleep, -@@ -321,7 +322,7 @@ static __init int init_posix_timers(void) - .timer_get = common_timer_get, - .timer_del = common_timer_del, - }; -- struct k_clock clock_boottime = { -+ static struct k_clock clock_boottime = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_get_boottime, - .nsleep = common_nsleep, -@@ -533,7 +534,7 @@ void posix_timers_register_clock(const clockid_t clock_id, - return; - } - -- posix_clocks[clock_id] = *new_clock; -+ posix_clocks[clock_id] = new_clock; - } - EXPORT_SYMBOL_GPL(posix_timers_register_clock); - -@@ -579,9 +580,9 @@ static struct k_clock *clockid_to_kclock(const clockid_t id) - return (id & CLOCKFD_MASK) == CLOCKFD ? - &clock_posix_dynamic : &clock_posix_cpu; - -- if (id >= MAX_CLOCKS || !posix_clocks[id].clock_getres) -+ if (id >= MAX_CLOCKS || !posix_clocks[id] || !posix_clocks[id]->clock_getres) - return NULL; -- return &posix_clocks[id]; -+ return posix_clocks[id]; - } - - static int common_timer_create(struct k_itimer *new_timer) -@@ -599,7 +600,7 @@ SYSCALL_DEFINE3(timer_create, const clockid_t, which_clock, - struct k_clock *kc = clockid_to_kclock(which_clock); - struct k_itimer *new_timer; - int error, new_timer_id; -- sigevent_t event; -+ sigevent_t event = { }; - int it_id_set = IT_ID_NOT_SET; - - if (!kc) -@@ -1014,6 +1015,13 @@ SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock, - if (copy_from_user(&new_tp, tp, sizeof (*tp))) - return -EFAULT; - -+ /* only the CLOCK_REALTIME clock can be set, all other clocks -+ have their clock_set fptr set to a nosettime dummy function -+ CLOCK_REALTIME has a NULL clock_set fptr which causes it to -+ call common_clock_set, which calls do_sys_settimeofday, which -+ we hook -+ */ -+ - return kc->clock_set(which_clock, &new_tp); - } - -diff --git a/kernel/time/time.c b/kernel/time/time.c -index 2c85b77..6530536 100644 ---- a/kernel/time/time.c -+++ b/kernel/time/time.c -@@ -173,6 +173,11 @@ int do_sys_settimeofday(const struct timespec *tv, const struct timezone *tz) - return error; - - if (tz) { -+ /* we log in do_settimeofday called below, so don't log twice -+ */ -+ if (!tv) -+ gr_log_timechange(); -+ - sys_tz = *tz; - update_vsyscall_tz(); - if (firsttime) { -diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c -index 946acb7..1e13c0f 100644 ---- a/kernel/time/timekeeping.c -+++ b/kernel/time/timekeeping.c -@@ -15,6 +15,7 @@ - #include <linux/init.h> - #include <linux/mm.h> - #include <linux/sched.h> -+#include <linux/grsecurity.h> - #include <linux/syscore_ops.h> - #include <linux/clocksource.h> - #include <linux/jiffies.h> -@@ -915,6 +916,8 @@ int do_settimeofday64(const struct timespec64 *ts) - if (!timespec64_valid_strict(ts)) - return -EINVAL; - -+ gr_log_timechange(); -+ - raw_spin_lock_irqsave(&timekeeper_lock, flags); - write_seqcount_begin(&tk_core.seq); - -diff --git a/kernel/time/timer.c b/kernel/time/timer.c -index 2ece3aa..055a295 100644 ---- a/kernel/time/timer.c -+++ b/kernel/time/timer.c -@@ -1405,7 +1405,7 @@ void update_process_times(int user_tick) - /* - * This function runs timers and the timer-tq in bottom half context. - */ --static void run_timer_softirq(struct softirq_action *h) -+static __latent_entropy void run_timer_softirq(void) - { - struct tvec_base *base = __this_cpu_read(tvec_bases); - -@@ -1468,7 +1468,7 @@ static void process_timeout(unsigned long __data) - * - * In all cases the return value is guaranteed to be non-negative. - */ --signed long __sched schedule_timeout(signed long timeout) -+signed long __sched __intentional_overflow(-1) schedule_timeout(signed long timeout) - { - struct timer_list timer; - unsigned long expire; -diff --git a/kernel/time/timer_list.c b/kernel/time/timer_list.c -index e878c2e..cf1546bb 100644 ---- a/kernel/time/timer_list.c -+++ b/kernel/time/timer_list.c -@@ -45,12 +45,16 @@ DECLARE_PER_CPU(struct hrtimer_cpu_base, hrtimer_bases); - - static void print_name_offset(struct seq_file *m, void *sym) - { -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ SEQ_printf(m, "<%p>", NULL); -+#else - char symname[KSYM_NAME_LEN]; - - if (lookup_symbol_name((unsigned long)sym, symname) < 0) - SEQ_printf(m, "<%pK>", sym); - else - SEQ_printf(m, "%s", symname); -+#endif - } - - static void -@@ -119,7 +123,11 @@ next_one: - static void - print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now) - { -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ SEQ_printf(m, " .base: %p\n", NULL); -+#else - SEQ_printf(m, " .base: %pK\n", base); -+#endif - SEQ_printf(m, " .index: %d\n", - base->index); - SEQ_printf(m, " .resolution: %Lu nsecs\n", -@@ -388,7 +396,11 @@ static int __init init_timer_list_procfs(void) - { - struct proc_dir_entry *pe; - -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ pe = proc_create("timer_list", 0400, NULL, &timer_list_fops); -+#else - pe = proc_create("timer_list", 0444, NULL, &timer_list_fops); -+#endif - if (!pe) - return -ENOMEM; - return 0; -diff --git a/kernel/time/timer_stats.c b/kernel/time/timer_stats.c -index 1fb08f2..ca4bb1e 100644 ---- a/kernel/time/timer_stats.c -+++ b/kernel/time/timer_stats.c -@@ -116,7 +116,7 @@ static ktime_t time_start, time_stop; - static unsigned long nr_entries; - static struct entry entries[MAX_ENTRIES]; - --static atomic_t overflow_count; -+static atomic_unchecked_t overflow_count; - - /* - * The entries are in a hash-table, for fast lookup: -@@ -140,7 +140,7 @@ static void reset_entries(void) - nr_entries = 0; - memset(entries, 0, sizeof(entries)); - memset(tstat_hash_table, 0, sizeof(tstat_hash_table)); -- atomic_set(&overflow_count, 0); -+ atomic_set_unchecked(&overflow_count, 0); - } - - static struct entry *alloc_entry(void) -@@ -261,7 +261,7 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf, - if (likely(entry)) - entry->count++; - else -- atomic_inc(&overflow_count); -+ atomic_inc_unchecked(&overflow_count); - - out_unlock: - raw_spin_unlock_irqrestore(lock, flags); -@@ -269,12 +269,16 @@ void timer_stats_update_stats(void *timer, pid_t pid, void *startf, - - static void print_name_offset(struct seq_file *m, unsigned long addr) - { -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(m, "<%p>", NULL); -+#else - char symname[KSYM_NAME_LEN]; - - if (lookup_symbol_name(addr, symname) < 0) -- seq_printf(m, "<%p>", (void *)addr); -+ seq_printf(m, "<%pK>", (void *)addr); - else - seq_printf(m, "%s", symname); -+#endif - } - - static int tstats_show(struct seq_file *m, void *v) -@@ -300,8 +304,8 @@ static int tstats_show(struct seq_file *m, void *v) - - seq_puts(m, "Timer Stats Version: v0.3\n"); - seq_printf(m, "Sample period: %ld.%03ld s\n", period.tv_sec, ms); -- if (atomic_read(&overflow_count)) -- seq_printf(m, "Overflow: %d entries\n", atomic_read(&overflow_count)); -+ if (atomic_read_unchecked(&overflow_count)) -+ seq_printf(m, "Overflow: %d entries\n", atomic_read_unchecked(&overflow_count)); - seq_printf(m, "Collection: %s\n", timer_stats_active ? "active" : "inactive"); - - for (i = 0; i < nr_entries; i++) { -@@ -417,7 +421,11 @@ static int __init init_tstats_procfs(void) - { - struct proc_dir_entry *pe; - -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ pe = proc_create("timer_stats", 0600, NULL, &tstats_fops); -+#else - pe = proc_create("timer_stats", 0644, NULL, &tstats_fops); -+#endif - if (!pe) - return -ENOMEM; - return 0; -diff --git a/kernel/torture.c b/kernel/torture.c -index dd70993..0bf694b 100644 ---- a/kernel/torture.c -+++ b/kernel/torture.c -@@ -482,7 +482,7 @@ static int torture_shutdown_notify(struct notifier_block *unused1, - mutex_lock(&fullstop_mutex); - if (ACCESS_ONCE(fullstop) == FULLSTOP_DONTSTOP) { - VERBOSE_TOROUT_STRING("Unscheduled system shutdown detected"); -- ACCESS_ONCE(fullstop) = FULLSTOP_SHUTDOWN; -+ ACCESS_ONCE_RW(fullstop) = FULLSTOP_SHUTDOWN; - } else { - pr_warn("Concurrent rmmod and shutdown illegal!\n"); - } -@@ -549,14 +549,14 @@ static int torture_stutter(void *arg) - if (!torture_must_stop()) { - if (stutter > 1) { - schedule_timeout_interruptible(stutter - 1); -- ACCESS_ONCE(stutter_pause_test) = 2; -+ ACCESS_ONCE_RW(stutter_pause_test) = 2; - } - schedule_timeout_interruptible(1); -- ACCESS_ONCE(stutter_pause_test) = 1; -+ ACCESS_ONCE_RW(stutter_pause_test) = 1; - } - if (!torture_must_stop()) - schedule_timeout_interruptible(stutter); -- ACCESS_ONCE(stutter_pause_test) = 0; -+ ACCESS_ONCE_RW(stutter_pause_test) = 0; - torture_shutdown_absorb("torture_stutter"); - } while (!torture_must_stop()); - torture_kthread_stopping("torture_stutter"); -@@ -648,7 +648,7 @@ bool torture_cleanup_begin(void) - schedule_timeout_uninterruptible(10); - return true; - } -- ACCESS_ONCE(fullstop) = FULLSTOP_RMMOD; -+ ACCESS_ONCE_RW(fullstop) = FULLSTOP_RMMOD; - mutex_unlock(&fullstop_mutex); - torture_shutdown_cleanup(); - torture_shuffle_cleanup(); -diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c -index 483cecf..ac46091 100644 ---- a/kernel/trace/blktrace.c -+++ b/kernel/trace/blktrace.c -@@ -328,7 +328,7 @@ static ssize_t blk_dropped_read(struct file *filp, char __user *buffer, - struct blk_trace *bt = filp->private_data; - char buf[16]; - -- snprintf(buf, sizeof(buf), "%u\n", atomic_read(&bt->dropped)); -+ snprintf(buf, sizeof(buf), "%u\n", atomic_read_unchecked(&bt->dropped)); - - return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf)); - } -@@ -386,7 +386,7 @@ static int blk_subbuf_start_callback(struct rchan_buf *buf, void *subbuf, - return 1; - - bt = buf->chan->private_data; -- atomic_inc(&bt->dropped); -+ atomic_inc_unchecked(&bt->dropped); - return 0; - } - -@@ -487,7 +487,7 @@ int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev, - - bt->dir = dir; - bt->dev = dev; -- atomic_set(&bt->dropped, 0); -+ atomic_set_unchecked(&bt->dropped, 0); - INIT_LIST_HEAD(&bt->running_list); - - ret = -EIO; -diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c -index eb11011..43adc29 100644 ---- a/kernel/trace/ftrace.c -+++ b/kernel/trace/ftrace.c -@@ -2413,12 +2413,17 @@ ftrace_code_disable(struct module *mod, struct dyn_ftrace *rec) - if (unlikely(ftrace_disabled)) - return 0; - -+ ret = ftrace_arch_code_modify_prepare(); -+ FTRACE_WARN_ON(ret); -+ if (ret) -+ return 0; -+ - ret = ftrace_make_nop(mod, rec, MCOUNT_ADDR); -+ FTRACE_WARN_ON(ftrace_arch_code_modify_post_process()); - if (ret) { - ftrace_bug(ret, rec); -- return 0; - } -- return 1; -+ return ret ? 0 : 1; - } - - /* -@@ -4807,8 +4812,10 @@ static int ftrace_process_locs(struct module *mod, - if (!count) - return 0; - -+ pax_open_kernel(); - sort(start, count, sizeof(*start), - ftrace_cmp_ips, ftrace_swap_ips); -+ pax_close_kernel(); - - start_pg = ftrace_allocate_pages(count); - if (!start_pg) -@@ -5675,7 +5682,7 @@ static int alloc_retstack_tasklist(struct ftrace_ret_stack **ret_stack_list) - - if (t->ret_stack == NULL) { - atomic_set(&t->tracing_graph_pause, 0); -- atomic_set(&t->trace_overrun, 0); -+ atomic_set_unchecked(&t->trace_overrun, 0); - t->curr_ret_stack = -1; - /* Make sure the tasks see the -1 first: */ - smp_wmb(); -@@ -5898,7 +5905,7 @@ static void - graph_init_task(struct task_struct *t, struct ftrace_ret_stack *ret_stack) - { - atomic_set(&t->tracing_graph_pause, 0); -- atomic_set(&t->trace_overrun, 0); -+ atomic_set_unchecked(&t->trace_overrun, 0); - t->ftrace_timestamp = 0; - /* make curr_ret_stack visible before we add the ret_stack */ - smp_wmb(); -diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c -index 0315d43..2e5e9a2 100644 ---- a/kernel/trace/ring_buffer.c -+++ b/kernel/trace/ring_buffer.c -@@ -348,9 +348,9 @@ struct buffer_data_page { - */ - struct buffer_page { - struct list_head list; /* list of buffer pages */ -- local_t write; /* index for next write */ -+ local_unchecked_t write; /* index for next write */ - unsigned read; /* index for next read */ -- local_t entries; /* entries on this page */ -+ local_unchecked_t entries; /* entries on this page */ - unsigned long real_end; /* real end of data */ - struct buffer_data_page *page; /* Actual data page */ - }; -@@ -471,11 +471,11 @@ struct ring_buffer_per_cpu { - unsigned long last_overrun; - local_t entries_bytes; - local_t entries; -- local_t overrun; -- local_t commit_overrun; -- local_t dropped_events; -+ local_unchecked_t overrun; -+ local_unchecked_t commit_overrun; -+ local_unchecked_t dropped_events; - local_t committing; -- local_t commits; -+ local_unchecked_t commits; - unsigned long read; - unsigned long read_bytes; - u64 write_stamp; -@@ -1045,8 +1045,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer, - * - * We add a counter to the write field to denote this. - */ -- old_write = local_add_return(RB_WRITE_INTCNT, &next_page->write); -- old_entries = local_add_return(RB_WRITE_INTCNT, &next_page->entries); -+ old_write = local_add_return_unchecked(RB_WRITE_INTCNT, &next_page->write); -+ old_entries = local_add_return_unchecked(RB_WRITE_INTCNT, &next_page->entries); - - /* - * Just make sure we have seen our old_write and synchronize -@@ -1074,8 +1074,8 @@ static int rb_tail_page_update(struct ring_buffer_per_cpu *cpu_buffer, - * cmpxchg to only update if an interrupt did not already - * do it for us. If the cmpxchg fails, we don't care. - */ -- (void)local_cmpxchg(&next_page->write, old_write, val); -- (void)local_cmpxchg(&next_page->entries, old_entries, eval); -+ (void)local_cmpxchg_unchecked(&next_page->write, old_write, val); -+ (void)local_cmpxchg_unchecked(&next_page->entries, old_entries, eval); - - /* - * No need to worry about races with clearing out the commit. -@@ -1443,12 +1443,12 @@ static void rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer); - - static inline unsigned long rb_page_entries(struct buffer_page *bpage) - { -- return local_read(&bpage->entries) & RB_WRITE_MASK; -+ return local_read_unchecked(&bpage->entries) & RB_WRITE_MASK; - } - - static inline unsigned long rb_page_write(struct buffer_page *bpage) - { -- return local_read(&bpage->write) & RB_WRITE_MASK; -+ return local_read_unchecked(&bpage->write) & RB_WRITE_MASK; - } - - static int -@@ -1543,7 +1543,7 @@ rb_remove_pages(struct ring_buffer_per_cpu *cpu_buffer, unsigned int nr_pages) - * bytes consumed in ring buffer from here. - * Increment overrun to account for the lost events. - */ -- local_add(page_entries, &cpu_buffer->overrun); -+ local_add_unchecked(page_entries, &cpu_buffer->overrun); - local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes); - } - -@@ -2105,7 +2105,7 @@ rb_handle_head_page(struct ring_buffer_per_cpu *cpu_buffer, - * it is our responsibility to update - * the counters. - */ -- local_add(entries, &cpu_buffer->overrun); -+ local_add_unchecked(entries, &cpu_buffer->overrun); - local_sub(BUF_PAGE_SIZE, &cpu_buffer->entries_bytes); - - /* -@@ -2255,7 +2255,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, - if (tail == BUF_PAGE_SIZE) - tail_page->real_end = 0; - -- local_sub(length, &tail_page->write); -+ local_sub_unchecked(length, &tail_page->write); - return; - } - -@@ -2290,7 +2290,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, - rb_event_set_padding(event); - - /* Set the write back to the previous setting */ -- local_sub(length, &tail_page->write); -+ local_sub_unchecked(length, &tail_page->write); - return; - } - -@@ -2302,7 +2302,7 @@ rb_reset_tail(struct ring_buffer_per_cpu *cpu_buffer, - - /* Set write to end of buffer */ - length = (tail + length) - BUF_PAGE_SIZE; -- local_sub(length, &tail_page->write); -+ local_sub_unchecked(length, &tail_page->write); - } - - /* -@@ -2328,7 +2328,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, - * about it. - */ - if (unlikely(next_page == commit_page)) { -- local_inc(&cpu_buffer->commit_overrun); -+ local_inc_unchecked(&cpu_buffer->commit_overrun); - goto out_reset; - } - -@@ -2358,7 +2358,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, - * this is easy, just stop here. - */ - if (!(buffer->flags & RB_FL_OVERWRITE)) { -- local_inc(&cpu_buffer->dropped_events); -+ local_inc_unchecked(&cpu_buffer->dropped_events); - goto out_reset; - } - -@@ -2384,7 +2384,7 @@ rb_move_tail(struct ring_buffer_per_cpu *cpu_buffer, - cpu_buffer->tail_page) && - (cpu_buffer->commit_page == - cpu_buffer->reader_page))) { -- local_inc(&cpu_buffer->commit_overrun); -+ local_inc_unchecked(&cpu_buffer->commit_overrun); - goto out_reset; - } - } -@@ -2432,7 +2432,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, - length += RB_LEN_TIME_EXTEND; - - tail_page = cpu_buffer->tail_page; -- write = local_add_return(length, &tail_page->write); -+ write = local_add_return_unchecked(length, &tail_page->write); - - /* set write to only the index of the write */ - write &= RB_WRITE_MASK; -@@ -2456,7 +2456,7 @@ __rb_reserve_next(struct ring_buffer_per_cpu *cpu_buffer, - kmemcheck_annotate_bitfield(event, bitfield); - rb_update_event(cpu_buffer, event, length, add_timestamp, delta); - -- local_inc(&tail_page->entries); -+ local_inc_unchecked(&tail_page->entries); - - /* - * If this is the first commit on the page, then update -@@ -2489,7 +2489,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer, - - if (bpage->page == (void *)addr && rb_page_write(bpage) == old_index) { - unsigned long write_mask = -- local_read(&bpage->write) & ~RB_WRITE_MASK; -+ local_read_unchecked(&bpage->write) & ~RB_WRITE_MASK; - unsigned long event_length = rb_event_length(event); - /* - * This is on the tail page. It is possible that -@@ -2499,7 +2499,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer, - */ - old_index += write_mask; - new_index += write_mask; -- index = local_cmpxchg(&bpage->write, old_index, new_index); -+ index = local_cmpxchg_unchecked(&bpage->write, old_index, new_index); - if (index == old_index) { - /* update counters */ - local_sub(event_length, &cpu_buffer->entries_bytes); -@@ -2514,7 +2514,7 @@ rb_try_to_discard(struct ring_buffer_per_cpu *cpu_buffer, - static void rb_start_commit(struct ring_buffer_per_cpu *cpu_buffer) - { - local_inc(&cpu_buffer->committing); -- local_inc(&cpu_buffer->commits); -+ local_inc_unchecked(&cpu_buffer->commits); - } - - static inline void rb_end_commit(struct ring_buffer_per_cpu *cpu_buffer) -@@ -2526,7 +2526,7 @@ static inline void rb_end_commit(struct ring_buffer_per_cpu *cpu_buffer) - return; - - again: -- commits = local_read(&cpu_buffer->commits); -+ commits = local_read_unchecked(&cpu_buffer->commits); - /* synchronize with interrupts */ - barrier(); - if (local_read(&cpu_buffer->committing) == 1) -@@ -2542,7 +2542,7 @@ static inline void rb_end_commit(struct ring_buffer_per_cpu *cpu_buffer) - * updating of the commit page and the clearing of the - * committing counter. - */ -- if (unlikely(local_read(&cpu_buffer->commits) != commits) && -+ if (unlikely(local_read_unchecked(&cpu_buffer->commits) != commits) && - !local_read(&cpu_buffer->committing)) { - local_inc(&cpu_buffer->committing); - goto again; -@@ -2572,7 +2572,7 @@ rb_reserve_next_event(struct ring_buffer *buffer, - barrier(); - if (unlikely(ACCESS_ONCE(cpu_buffer->buffer) != buffer)) { - local_dec(&cpu_buffer->committing); -- local_dec(&cpu_buffer->commits); -+ local_dec_unchecked(&cpu_buffer->commits); - return NULL; - } - #endif -@@ -2898,7 +2898,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer, - - /* Do the likely case first */ - if (likely(bpage->page == (void *)addr)) { -- local_dec(&bpage->entries); -+ local_dec_unchecked(&bpage->entries); - return; - } - -@@ -2910,7 +2910,7 @@ rb_decrement_entry(struct ring_buffer_per_cpu *cpu_buffer, - start = bpage; - do { - if (bpage->page == (void *)addr) { -- local_dec(&bpage->entries); -+ local_dec_unchecked(&bpage->entries); - return; - } - rb_inc_page(cpu_buffer, &bpage); -@@ -3194,7 +3194,7 @@ static inline unsigned long - rb_num_of_entries(struct ring_buffer_per_cpu *cpu_buffer) - { - return local_read(&cpu_buffer->entries) - -- (local_read(&cpu_buffer->overrun) + cpu_buffer->read); -+ (local_read_unchecked(&cpu_buffer->overrun) + cpu_buffer->read); - } - - /** -@@ -3283,7 +3283,7 @@ unsigned long ring_buffer_overrun_cpu(struct ring_buffer *buffer, int cpu) - return 0; - - cpu_buffer = buffer->buffers[cpu]; -- ret = local_read(&cpu_buffer->overrun); -+ ret = local_read_unchecked(&cpu_buffer->overrun); - - return ret; - } -@@ -3306,7 +3306,7 @@ ring_buffer_commit_overrun_cpu(struct ring_buffer *buffer, int cpu) - return 0; - - cpu_buffer = buffer->buffers[cpu]; -- ret = local_read(&cpu_buffer->commit_overrun); -+ ret = local_read_unchecked(&cpu_buffer->commit_overrun); - - return ret; - } -@@ -3328,7 +3328,7 @@ ring_buffer_dropped_events_cpu(struct ring_buffer *buffer, int cpu) - return 0; - - cpu_buffer = buffer->buffers[cpu]; -- ret = local_read(&cpu_buffer->dropped_events); -+ ret = local_read_unchecked(&cpu_buffer->dropped_events); - - return ret; - } -@@ -3391,7 +3391,7 @@ unsigned long ring_buffer_overruns(struct ring_buffer *buffer) - /* if you care about this being correct, lock the buffer */ - for_each_buffer_cpu(buffer, cpu) { - cpu_buffer = buffer->buffers[cpu]; -- overruns += local_read(&cpu_buffer->overrun); -+ overruns += local_read_unchecked(&cpu_buffer->overrun); - } - - return overruns; -@@ -3562,8 +3562,8 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) - /* - * Reset the reader page to size zero. - */ -- local_set(&cpu_buffer->reader_page->write, 0); -- local_set(&cpu_buffer->reader_page->entries, 0); -+ local_set_unchecked(&cpu_buffer->reader_page->write, 0); -+ local_set_unchecked(&cpu_buffer->reader_page->entries, 0); - local_set(&cpu_buffer->reader_page->page->commit, 0); - cpu_buffer->reader_page->real_end = 0; - -@@ -3597,7 +3597,7 @@ rb_get_reader_page(struct ring_buffer_per_cpu *cpu_buffer) - * want to compare with the last_overrun. - */ - smp_mb(); -- overwrite = local_read(&(cpu_buffer->overrun)); -+ overwrite = local_read_unchecked(&(cpu_buffer->overrun)); - - /* - * Here's the tricky part. -@@ -4169,8 +4169,8 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) - - cpu_buffer->head_page - = list_entry(cpu_buffer->pages, struct buffer_page, list); -- local_set(&cpu_buffer->head_page->write, 0); -- local_set(&cpu_buffer->head_page->entries, 0); -+ local_set_unchecked(&cpu_buffer->head_page->write, 0); -+ local_set_unchecked(&cpu_buffer->head_page->entries, 0); - local_set(&cpu_buffer->head_page->page->commit, 0); - - cpu_buffer->head_page->read = 0; -@@ -4180,18 +4180,18 @@ rb_reset_cpu(struct ring_buffer_per_cpu *cpu_buffer) - - INIT_LIST_HEAD(&cpu_buffer->reader_page->list); - INIT_LIST_HEAD(&cpu_buffer->new_pages); -- local_set(&cpu_buffer->reader_page->write, 0); -- local_set(&cpu_buffer->reader_page->entries, 0); -+ local_set_unchecked(&cpu_buffer->reader_page->write, 0); -+ local_set_unchecked(&cpu_buffer->reader_page->entries, 0); - local_set(&cpu_buffer->reader_page->page->commit, 0); - cpu_buffer->reader_page->read = 0; - - local_set(&cpu_buffer->entries_bytes, 0); -- local_set(&cpu_buffer->overrun, 0); -- local_set(&cpu_buffer->commit_overrun, 0); -- local_set(&cpu_buffer->dropped_events, 0); -+ local_set_unchecked(&cpu_buffer->overrun, 0); -+ local_set_unchecked(&cpu_buffer->commit_overrun, 0); -+ local_set_unchecked(&cpu_buffer->dropped_events, 0); - local_set(&cpu_buffer->entries, 0); - local_set(&cpu_buffer->committing, 0); -- local_set(&cpu_buffer->commits, 0); -+ local_set_unchecked(&cpu_buffer->commits, 0); - cpu_buffer->read = 0; - cpu_buffer->read_bytes = 0; - -@@ -4592,8 +4592,8 @@ int ring_buffer_read_page(struct ring_buffer *buffer, - rb_init_page(bpage); - bpage = reader->page; - reader->page = *data_page; -- local_set(&reader->write, 0); -- local_set(&reader->entries, 0); -+ local_set_unchecked(&reader->write, 0); -+ local_set_unchecked(&reader->entries, 0); - reader->read = 0; - *data_page = bpage; - -diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c -index 0533049..85e27f0 100644 ---- a/kernel/trace/trace.c -+++ b/kernel/trace/trace.c -@@ -3538,7 +3538,7 @@ int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set) - return 0; - } - --int set_tracer_flag(struct trace_array *tr, unsigned int mask, int enabled) -+int set_tracer_flag(struct trace_array *tr, unsigned long mask, int enabled) - { - /* do nothing if flag is already set */ - if (!!(trace_flags & mask) == !!enabled) -diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h -index 921691c..64e1da1 100644 ---- a/kernel/trace/trace.h -+++ b/kernel/trace/trace.h -@@ -1272,7 +1272,7 @@ extern const char *__stop___tracepoint_str[]; - void trace_printk_init_buffers(void); - void trace_printk_start_comm(void); - int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set); --int set_tracer_flag(struct trace_array *tr, unsigned int mask, int enabled); -+int set_tracer_flag(struct trace_array *tr, unsigned long mask, int enabled); - - /* - * Normal trace_printk() and friends allocates special buffers -diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c -index 57b67b1..66082a9 100644 ---- a/kernel/trace/trace_clock.c -+++ b/kernel/trace/trace_clock.c -@@ -124,7 +124,7 @@ u64 notrace trace_clock_global(void) - return now; - } - --static atomic64_t trace_counter; -+static atomic64_unchecked_t trace_counter; - - /* - * trace_clock_counter(): simply an atomic counter. -@@ -133,5 +133,5 @@ static atomic64_t trace_counter; - */ - u64 notrace trace_clock_counter(void) - { -- return atomic64_add_return(1, &trace_counter); -+ return atomic64_inc_return_unchecked(&trace_counter); - } -diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c -index c4de47f..5f134b8 100644 ---- a/kernel/trace/trace_events.c -+++ b/kernel/trace/trace_events.c -@@ -1887,7 +1887,6 @@ __trace_early_add_new_event(struct ftrace_event_call *call, - return 0; - } - --struct ftrace_module_file_ops; - static void __add_event_to_tracers(struct ftrace_event_call *call); - - /* Add an additional event_call dynamically */ -diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c -index a51e796..1f32ebd 100644 ---- a/kernel/trace/trace_functions_graph.c -+++ b/kernel/trace/trace_functions_graph.c -@@ -132,7 +132,7 @@ ftrace_push_return_trace(unsigned long ret, unsigned long func, int *depth, - - /* The return trace stack is full */ - if (current->curr_ret_stack == FTRACE_RETFUNC_DEPTH - 1) { -- atomic_inc(&current->trace_overrun); -+ atomic_inc_unchecked(&current->trace_overrun); - return -EBUSY; - } - -@@ -229,7 +229,7 @@ ftrace_pop_return_trace(struct ftrace_graph_ret *trace, unsigned long *ret, - *ret = current->ret_stack[index].ret; - trace->func = current->ret_stack[index].func; - trace->calltime = current->ret_stack[index].calltime; -- trace->overrun = atomic_read(&current->trace_overrun); -+ trace->overrun = atomic_read_unchecked(&current->trace_overrun); - trace->depth = index; - } - -diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c -index 7a9ba62..2e0e4a1 100644 ---- a/kernel/trace/trace_mmiotrace.c -+++ b/kernel/trace/trace_mmiotrace.c -@@ -24,7 +24,7 @@ struct header_iter { - static struct trace_array *mmio_trace_array; - static bool overrun_detected; - static unsigned long prev_overruns; --static atomic_t dropped_count; -+static atomic_unchecked_t dropped_count; - - static void mmio_reset_data(struct trace_array *tr) - { -@@ -124,7 +124,7 @@ static void mmio_close(struct trace_iterator *iter) - - static unsigned long count_overruns(struct trace_iterator *iter) - { -- unsigned long cnt = atomic_xchg(&dropped_count, 0); -+ unsigned long cnt = atomic_xchg_unchecked(&dropped_count, 0); - unsigned long over = ring_buffer_overruns(iter->trace_buffer->buffer); - - if (over > prev_overruns) -@@ -307,7 +307,7 @@ static void __trace_mmiotrace_rw(struct trace_array *tr, - event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_RW, - sizeof(*entry), 0, pc); - if (!event) { -- atomic_inc(&dropped_count); -+ atomic_inc_unchecked(&dropped_count); - return; - } - entry = ring_buffer_event_data(event); -@@ -337,7 +337,7 @@ static void __trace_mmiotrace_map(struct trace_array *tr, - event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_MAP, - sizeof(*entry), 0, pc); - if (!event) { -- atomic_inc(&dropped_count); -+ atomic_inc_unchecked(&dropped_count); - return; - } - entry = ring_buffer_event_data(event); -diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c -index 25a086b..a918131 100644 ---- a/kernel/trace/trace_output.c -+++ b/kernel/trace/trace_output.c -@@ -752,14 +752,16 @@ int register_ftrace_event(struct trace_event *event) - goto out; - } - -+ pax_open_kernel(); - if (event->funcs->trace == NULL) -- event->funcs->trace = trace_nop_print; -+ *(void **)&event->funcs->trace = trace_nop_print; - if (event->funcs->raw == NULL) -- event->funcs->raw = trace_nop_print; -+ *(void **)&event->funcs->raw = trace_nop_print; - if (event->funcs->hex == NULL) -- event->funcs->hex = trace_nop_print; -+ *(void **)&event->funcs->hex = trace_nop_print; - if (event->funcs->binary == NULL) -- event->funcs->binary = trace_nop_print; -+ *(void **)&event->funcs->binary = trace_nop_print; -+ pax_close_kernel(); - - key = event->type & (EVENT_HASHSIZE - 1); - -diff --git a/kernel/trace/trace_seq.c b/kernel/trace/trace_seq.c -index e694c9f..6775a38 100644 ---- a/kernel/trace/trace_seq.c -+++ b/kernel/trace/trace_seq.c -@@ -337,7 +337,7 @@ int trace_seq_path(struct trace_seq *s, const struct path *path) - return 0; - } - -- seq_buf_path(&s->seq, path, "\n"); -+ seq_buf_path(&s->seq, path, "\n\"); - - if (unlikely(seq_buf_has_overflowed(&s->seq))) { - s->seq.len = save_len; -diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c -index 3f34496..0492d95 100644 ---- a/kernel/trace/trace_stack.c -+++ b/kernel/trace/trace_stack.c -@@ -88,7 +88,7 @@ check_stack(unsigned long ip, unsigned long *stack) - return; - - /* we do not handle interrupt stacks yet */ -- if (!object_is_on_stack(stack)) -+ if (!object_starts_on_stack(stack)) - return; - - local_irq_save(flags); -diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c -index f97f6e3..d367b48 100644 ---- a/kernel/trace/trace_syscalls.c -+++ b/kernel/trace/trace_syscalls.c -@@ -590,6 +590,8 @@ static int perf_sysenter_enable(struct ftrace_event_call *call) - int num; - - num = ((struct syscall_metadata *)call->data)->syscall_nr; -+ if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls)) -+ return -EINVAL; - - mutex_lock(&syscall_trace_lock); - if (!sys_perf_refcount_enter) -@@ -610,6 +612,8 @@ static void perf_sysenter_disable(struct ftrace_event_call *call) - int num; - - num = ((struct syscall_metadata *)call->data)->syscall_nr; -+ if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls)) -+ return; - - mutex_lock(&syscall_trace_lock); - sys_perf_refcount_enter--; -@@ -662,6 +666,8 @@ static int perf_sysexit_enable(struct ftrace_event_call *call) - int num; - - num = ((struct syscall_metadata *)call->data)->syscall_nr; -+ if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls)) -+ return -EINVAL; - - mutex_lock(&syscall_trace_lock); - if (!sys_perf_refcount_exit) -@@ -682,6 +688,8 @@ static void perf_sysexit_disable(struct ftrace_event_call *call) - int num; - - num = ((struct syscall_metadata *)call->data)->syscall_nr; -+ if (WARN_ON_ONCE(num < 0 || num >= NR_syscalls)) -+ return; - - mutex_lock(&syscall_trace_lock); - sys_perf_refcount_exit--; -diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c -index 4109f83..fe1f830 100644 ---- a/kernel/user_namespace.c -+++ b/kernel/user_namespace.c -@@ -83,6 +83,21 @@ int create_user_ns(struct cred *new) - !kgid_has_mapping(parent_ns, group)) - return -EPERM; - -+#ifdef CONFIG_GRKERNSEC -+ /* -+ * This doesn't really inspire confidence: -+ * http://marc.info/?l=linux-kernel&m=135543612731939&w=2 -+ * http://marc.info/?l=linux-kernel&m=135545831607095&w=2 -+ * Increases kernel attack surface in areas developers -+ * previously cared little about ("low importance due -+ * to requiring "root" capability") -+ * To be removed when this code receives *proper* review -+ */ -+ if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SETUID) || -+ !capable(CAP_SETGID)) -+ return -EPERM; -+#endif -+ - ns = kmem_cache_zalloc(user_ns_cachep, GFP_KERNEL); - if (!ns) - return -ENOMEM; -@@ -980,7 +995,7 @@ static int userns_install(struct nsproxy *nsproxy, struct ns_common *ns) - if (atomic_read(&current->mm->mm_users) > 1) - return -EINVAL; - -- if (current->fs->users != 1) -+ if (atomic_read(&current->fs->users) != 1) - return -EINVAL; - - if (!ns_capable(user_ns, CAP_SYS_ADMIN)) -diff --git a/kernel/utsname_sysctl.c b/kernel/utsname_sysctl.c -index c8eac43..4b5f08f 100644 ---- a/kernel/utsname_sysctl.c -+++ b/kernel/utsname_sysctl.c -@@ -47,7 +47,7 @@ static void put_uts(struct ctl_table *table, int write, void *which) - static int proc_do_uts_string(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table uts_table; -+ ctl_table_no_const uts_table; - int r; - memcpy(&uts_table, table, sizeof(uts_table)); - uts_table.data = get_uts(table, write); -diff --git a/kernel/watchdog.c b/kernel/watchdog.c -index 581a68a..7ff6a89 100644 ---- a/kernel/watchdog.c -+++ b/kernel/watchdog.c -@@ -648,7 +648,7 @@ void watchdog_nmi_enable_all(void) {} - void watchdog_nmi_disable_all(void) {} - #endif /* CONFIG_HARDLOCKUP_DETECTOR */ - --static struct smp_hotplug_thread watchdog_threads = { -+static struct smp_hotplug_thread watchdog_threads __read_only = { - .store = &softlockup_watchdog, - .thread_should_run = watchdog_should_run, - .thread_fn = watchdog, -diff --git a/kernel/workqueue.c b/kernel/workqueue.c -index 586ad91..5f8844a 100644 ---- a/kernel/workqueue.c -+++ b/kernel/workqueue.c -@@ -4428,7 +4428,7 @@ static void rebind_workers(struct worker_pool *pool) - WARN_ON_ONCE(!(worker_flags & WORKER_UNBOUND)); - worker_flags |= WORKER_REBOUND; - worker_flags &= ~WORKER_UNBOUND; -- ACCESS_ONCE(worker->flags) = worker_flags; -+ ACCESS_ONCE_RW(worker->flags) = worker_flags; - } - - spin_unlock_irq(&pool->lock); -diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug -index ba2b0c8..a571efc 100644 ---- a/lib/Kconfig.debug -+++ b/lib/Kconfig.debug -@@ -936,7 +936,7 @@ config DEBUG_MUTEXES - - config DEBUG_WW_MUTEX_SLOWPATH - bool "Wait/wound mutex debugging: Slowpath testing" -- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT -+ depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN - select DEBUG_LOCK_ALLOC - select DEBUG_SPINLOCK - select DEBUG_MUTEXES -@@ -953,7 +953,7 @@ config DEBUG_WW_MUTEX_SLOWPATH - - config DEBUG_LOCK_ALLOC - bool "Lock debugging: detect incorrect freeing of live locks" -- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT -+ depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN - select DEBUG_SPINLOCK - select DEBUG_MUTEXES - select LOCKDEP -@@ -967,7 +967,7 @@ config DEBUG_LOCK_ALLOC - - config PROVE_LOCKING - bool "Lock debugging: prove locking correctness" -- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT -+ depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN - select LOCKDEP - select DEBUG_SPINLOCK - select DEBUG_MUTEXES -@@ -1018,7 +1018,7 @@ config LOCKDEP - - config LOCK_STAT - bool "Lock usage statistics" -- depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT -+ depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT && !PAX_CONSTIFY_PLUGIN - select LOCKDEP - select DEBUG_SPINLOCK - select DEBUG_MUTEXES -@@ -1496,6 +1496,7 @@ config LATENCYTOP - depends on DEBUG_KERNEL - depends on STACKTRACE_SUPPORT - depends on PROC_FS -+ depends on !GRKERNSEC_HIDESYM - select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE && !ARM_UNWIND && !ARC - select KALLSYMS - select KALLSYMS_ALL -@@ -1512,7 +1513,7 @@ config ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS - config DEBUG_STRICT_USER_COPY_CHECKS - bool "Strict user copy size checks" - depends on ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS -- depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING -+ depends on DEBUG_KERNEL && !TRACE_BRANCH_PROFILING && !PAX_SIZE_OVERFLOW - help - Enabling this option turns a certain set of sanity checks for user - copy operations into compile time failures. -@@ -1643,7 +1644,7 @@ endmenu # runtime tests - - config PROVIDE_OHCI1394_DMA_INIT - bool "Remote debugging over FireWire early on boot" -- depends on PCI && X86 -+ depends on PCI && X86 && !GRKERNSEC - help - If you want to debug problems which hang or crash the kernel early - on boot and the crashing machine has a FireWire port, you can use -diff --git a/lib/Makefile b/lib/Makefile -index 6c37933..d48e7ca 100644 ---- a/lib/Makefile -+++ b/lib/Makefile -@@ -59,7 +59,7 @@ obj-$(CONFIG_BTREE) += btree.o - obj-$(CONFIG_INTERVAL_TREE) += interval_tree.o - obj-$(CONFIG_ASSOCIATIVE_ARRAY) += assoc_array.o - obj-$(CONFIG_DEBUG_PREEMPT) += smp_processor_id.o --obj-$(CONFIG_DEBUG_LIST) += list_debug.o -+obj-y += list_debug.o - obj-$(CONFIG_DEBUG_OBJECTS) += debugobjects.o - - ifneq ($(CONFIG_HAVE_DEC_LOCK),y) -diff --git a/lib/average.c b/lib/average.c -index 114d1be..ab0350c 100644 ---- a/lib/average.c -+++ b/lib/average.c -@@ -55,7 +55,7 @@ struct ewma *ewma_add(struct ewma *avg, unsigned long val) - { - unsigned long internal = ACCESS_ONCE(avg->internal); - -- ACCESS_ONCE(avg->internal) = internal ? -+ ACCESS_ONCE_RW(avg->internal) = internal ? - (((internal << avg->weight) - internal) + - (val << avg->factor)) >> avg->weight : - (val << avg->factor); -diff --git a/lib/bitmap.c b/lib/bitmap.c -index 40162f8..b55c7c7 100644 ---- a/lib/bitmap.c -+++ b/lib/bitmap.c -@@ -234,7 +234,7 @@ int __bitmap_subset(const unsigned long *bitmap1, - } - EXPORT_SYMBOL(__bitmap_subset); - --int __bitmap_weight(const unsigned long *bitmap, unsigned int bits) -+int __intentional_overflow(-1) __bitmap_weight(const unsigned long *bitmap, unsigned int bits) - { - unsigned int k, lim = bits/BITS_PER_LONG; - int w = 0; -@@ -361,7 +361,7 @@ int __bitmap_parse(const char *buf, unsigned int buflen, - { - int c, old_c, totaldigits, ndigits, nchunks, nbits; - u32 chunk; -- const char __user __force *ubuf = (const char __user __force *)buf; -+ const char __user *ubuf = (const char __force_user *)buf; - - bitmap_zero(maskp, nmaskbits); - -@@ -446,7 +446,7 @@ int bitmap_parse_user(const char __user *ubuf, - { - if (!access_ok(VERIFY_READ, ubuf, ulen)) - return -EFAULT; -- return __bitmap_parse((const char __force *)ubuf, -+ return __bitmap_parse((const char __force_kernel *)ubuf, - ulen, 1, maskp, nmaskbits); - - } -@@ -505,7 +505,7 @@ static int __bitmap_parselist(const char *buf, unsigned int buflen, - { - unsigned a, b; - int c, old_c, totaldigits; -- const char __user __force *ubuf = (const char __user __force *)buf; -+ const char __user *ubuf = (const char __force_user *)buf; - int at_start, in_range; - - totaldigits = c = 0; -@@ -601,7 +601,7 @@ int bitmap_parselist_user(const char __user *ubuf, - { - if (!access_ok(VERIFY_READ, ubuf, ulen)) - return -EFAULT; -- return __bitmap_parselist((const char __force *)ubuf, -+ return __bitmap_parselist((const char __force_kernel *)ubuf, - ulen, 1, maskp, nmaskbits); - } - EXPORT_SYMBOL(bitmap_parselist_user); -diff --git a/lib/bug.c b/lib/bug.c -index 0c3bd95..5a615a1 100644 ---- a/lib/bug.c -+++ b/lib/bug.c -@@ -145,6 +145,8 @@ enum bug_trap_type report_bug(unsigned long bugaddr, struct pt_regs *regs) - return BUG_TRAP_TYPE_NONE; - - bug = find_bug(bugaddr); -+ if (!bug) -+ return BUG_TRAP_TYPE_NONE; - - file = NULL; - line = 0; -diff --git a/lib/debugobjects.c b/lib/debugobjects.c -index 547f7f9..a6d4ba0 100644 ---- a/lib/debugobjects.c -+++ b/lib/debugobjects.c -@@ -289,7 +289,7 @@ static void debug_object_is_on_stack(void *addr, int onstack) - if (limit > 4) - return; - -- is_on_stack = object_is_on_stack(addr); -+ is_on_stack = object_starts_on_stack(addr); - if (is_on_stack == onstack) - return; - -diff --git a/lib/decompress_bunzip2.c b/lib/decompress_bunzip2.c -index 6dd0335..1e9c239 100644 ---- a/lib/decompress_bunzip2.c -+++ b/lib/decompress_bunzip2.c -@@ -665,7 +665,8 @@ static int INIT start_bunzip(struct bunzip_data **bdp, void *inbuf, long len, - - /* Fourth byte (ascii '1'-'9'), indicates block size in units of 100k of - uncompressed data. Allocate intermediate buffer for block. */ -- bd->dbufSize = 100000*(i-BZh0); -+ i -= BZh0; -+ bd->dbufSize = 100000 * i; - - bd->dbuf = large_malloc(bd->dbufSize * sizeof(int)); - if (!bd->dbuf) -diff --git a/lib/decompress_unlzma.c b/lib/decompress_unlzma.c -index 0be83af..4605e93 100644 ---- a/lib/decompress_unlzma.c -+++ b/lib/decompress_unlzma.c -@@ -39,10 +39,10 @@ - - #define MIN(a, b) (((a) < (b)) ? (a) : (b)) - --static long long INIT read_int(unsigned char *ptr, int size) -+static unsigned long long INIT read_int(unsigned char *ptr, int size) - { - int i; -- long long ret = 0; -+ unsigned long long ret = 0; - - for (i = 0; i < size; i++) - ret = (ret << 8) | ptr[size-i-1]; -diff --git a/lib/div64.c b/lib/div64.c -index 19ea7ed..20cac21 100644 ---- a/lib/div64.c -+++ b/lib/div64.c -@@ -59,7 +59,7 @@ uint32_t __attribute__((weak)) __div64_32(uint64_t *n, uint32_t base) - EXPORT_SYMBOL(__div64_32); - - #ifndef div_s64_rem --s64 div_s64_rem(s64 dividend, s32 divisor, s32 *remainder) -+s64 __intentional_overflow(-1) div_s64_rem(s64 dividend, s32 divisor, s32 *remainder) - { - u64 quotient; - -@@ -130,7 +130,7 @@ EXPORT_SYMBOL(div64_u64_rem); - * 'http://www.hackersdelight.org/hdcodetxt/divDouble.c.txt' - */ - #ifndef div64_u64 --u64 div64_u64(u64 dividend, u64 divisor) -+u64 __intentional_overflow(-1) div64_u64(u64 dividend, u64 divisor) - { - u32 high = divisor >> 32; - u64 quot; -diff --git a/lib/dma-debug.c b/lib/dma-debug.c -index dace71f..13da37b 100644 ---- a/lib/dma-debug.c -+++ b/lib/dma-debug.c -@@ -982,7 +982,7 @@ static int dma_debug_device_change(struct notifier_block *nb, unsigned long acti - - void dma_debug_add_bus(struct bus_type *bus) - { -- struct notifier_block *nb; -+ notifier_block_no_const *nb; - - if (dma_debug_disabled()) - return; -@@ -1164,7 +1164,7 @@ static void check_unmap(struct dma_debug_entry *ref) - - static void check_for_stack(struct device *dev, void *addr) - { -- if (object_is_on_stack(addr)) -+ if (object_starts_on_stack(addr)) - err_printk(dev, NULL, "DMA-API: device driver maps memory from " - "stack [addr=%p]\n", addr); - } -diff --git a/lib/inflate.c b/lib/inflate.c -index 013a761..c28f3fc 100644 ---- a/lib/inflate.c -+++ b/lib/inflate.c -@@ -269,7 +269,7 @@ static void free(void *where) - malloc_ptr = free_mem_ptr; - } - #else --#define malloc(a) kmalloc(a, GFP_KERNEL) -+#define malloc(a) kmalloc((a), GFP_KERNEL) - #define free(a) kfree(a) - #endif - -diff --git a/lib/ioremap.c b/lib/ioremap.c -index 86c8911..f5bfc34 100644 ---- a/lib/ioremap.c -+++ b/lib/ioremap.c -@@ -75,7 +75,7 @@ static inline int ioremap_pmd_range(pud_t *pud, unsigned long addr, - unsigned long next; - - phys_addr -= addr; -- pmd = pmd_alloc(&init_mm, pud, addr); -+ pmd = pmd_alloc_kernel(&init_mm, pud, addr); - if (!pmd) - return -ENOMEM; - do { -@@ -101,7 +101,7 @@ static inline int ioremap_pud_range(pgd_t *pgd, unsigned long addr, - unsigned long next; - - phys_addr -= addr; -- pud = pud_alloc(&init_mm, pgd, addr); -+ pud = pud_alloc_kernel(&init_mm, pgd, addr); - if (!pud) - return -ENOMEM; - do { -diff --git a/lib/is_single_threaded.c b/lib/is_single_threaded.c -index bd2bea9..6b3c95e 100644 ---- a/lib/is_single_threaded.c -+++ b/lib/is_single_threaded.c -@@ -22,6 +22,9 @@ bool current_is_single_threaded(void) - struct task_struct *p, *t; - bool ret; - -+ if (!mm) -+ return true; -+ - if (atomic_read(&task->signal->live) != 1) - return false; - -diff --git a/lib/kobject.c b/lib/kobject.c -index 3b841b9..7c215aa 100644 ---- a/lib/kobject.c -+++ b/lib/kobject.c -@@ -340,8 +340,9 @@ error: - } - EXPORT_SYMBOL(kobject_init); - --static int kobject_add_varg(struct kobject *kobj, struct kobject *parent, -- const char *fmt, va_list vargs) -+static __printf(3, 0) int kobject_add_varg(struct kobject *kobj, -+ struct kobject *parent, -+ const char *fmt, va_list vargs) - { - int retval; - -@@ -936,9 +937,9 @@ EXPORT_SYMBOL_GPL(kset_create_and_add); - - - static DEFINE_SPINLOCK(kobj_ns_type_lock); --static const struct kobj_ns_type_operations *kobj_ns_ops_tbl[KOBJ_NS_TYPES]; -+static const struct kobj_ns_type_operations *kobj_ns_ops_tbl[KOBJ_NS_TYPES] __read_only; - --int kobj_ns_type_register(const struct kobj_ns_type_operations *ops) -+int __init kobj_ns_type_register(const struct kobj_ns_type_operations *ops) - { - enum kobj_ns_type type = ops->type; - int error; -diff --git a/lib/list_debug.c b/lib/list_debug.c -index c24c2f7..f0296f4 100644 ---- a/lib/list_debug.c -+++ b/lib/list_debug.c -@@ -11,7 +11,9 @@ - #include <linux/bug.h> - #include <linux/kernel.h> - #include <linux/rculist.h> -+#include <linux/mm.h> - -+#ifdef CONFIG_DEBUG_LIST - /* - * Insert a new entry between two known consecutive entries. - * -@@ -19,21 +21,40 @@ - * the prev/next entries already! - */ - -+static bool __list_add_debug(struct list_head *new, -+ struct list_head *prev, -+ struct list_head *next) -+{ -+ if (unlikely(next->prev != prev)) { -+ printk(KERN_ERR "list_add corruption. next->prev should be " -+ "prev (%p), but was %p. (next=%p).\n", -+ prev, next->prev, next); -+ BUG(); -+ return false; -+ } -+ if (unlikely(prev->next != next)) { -+ printk(KERN_ERR "list_add corruption. prev->next should be " -+ "next (%p), but was %p. (prev=%p).\n", -+ next, prev->next, prev); -+ BUG(); -+ return false; -+ } -+ if (unlikely(new == prev || new == next)) { -+ printk(KERN_ERR "list_add double add: new=%p, prev=%p, next=%p.\n", -+ new, prev, next); -+ BUG(); -+ return false; -+ } -+ return true; -+} -+ - void __list_add(struct list_head *new, -- struct list_head *prev, -- struct list_head *next) -+ struct list_head *prev, -+ struct list_head *next) - { -- WARN(next->prev != prev, -- "list_add corruption. next->prev should be " -- "prev (%p), but was %p. (next=%p).\n", -- prev, next->prev, next); -- WARN(prev->next != next, -- "list_add corruption. prev->next should be " -- "next (%p), but was %p. (prev=%p).\n", -- next, prev->next, prev); -- WARN(new == prev || new == next, -- "list_add double add: new=%p, prev=%p, next=%p.\n", -- new, prev, next); -+ if (!__list_add_debug(new, prev, next)) -+ return; -+ - next->prev = new; - new->next = next; - new->prev = prev; -@@ -41,28 +62,46 @@ void __list_add(struct list_head *new, - } - EXPORT_SYMBOL(__list_add); - --void __list_del_entry(struct list_head *entry) -+static bool __list_del_entry_debug(struct list_head *entry) - { - struct list_head *prev, *next; - - prev = entry->prev; - next = entry->next; - -- if (WARN(next == LIST_POISON1, -- "list_del corruption, %p->next is LIST_POISON1 (%p)\n", -- entry, LIST_POISON1) || -- WARN(prev == LIST_POISON2, -- "list_del corruption, %p->prev is LIST_POISON2 (%p)\n", -- entry, LIST_POISON2) || -- WARN(prev->next != entry, -- "list_del corruption. prev->next should be %p, " -- "but was %p\n", entry, prev->next) || -- WARN(next->prev != entry, -- "list_del corruption. next->prev should be %p, " -- "but was %p\n", entry, next->prev)) -+ if (unlikely(next == LIST_POISON1)) { -+ printk(KERN_ERR "list_del corruption, %p->next is LIST_POISON1 (%p)\n", -+ entry, LIST_POISON1); -+ BUG(); -+ return false; -+ } -+ if (unlikely(prev == LIST_POISON2)) { -+ printk(KERN_ERR "list_del corruption, %p->prev is LIST_POISON2 (%p)\n", -+ entry, LIST_POISON2); -+ BUG(); -+ return false; -+ } -+ if (unlikely(entry->prev->next != entry)) { -+ printk(KERN_ERR "list_del corruption. prev->next should be %p, " -+ "but was %p\n", entry, prev->next); -+ BUG(); -+ return false; -+ } -+ if (unlikely(entry->next->prev != entry)) { -+ printk(KERN_ERR "list_del corruption. next->prev should be %p, " -+ "but was %p\n", entry, next->prev); -+ BUG(); -+ return false; -+ } -+ return true; -+} -+ -+void __list_del_entry(struct list_head *entry) -+{ -+ if (!__list_del_entry_debug(entry)) - return; - -- __list_del(prev, next); -+ __list_del(entry->prev, entry->next); - } - EXPORT_SYMBOL(__list_del_entry); - -@@ -86,15 +125,85 @@ EXPORT_SYMBOL(list_del); - void __list_add_rcu(struct list_head *new, - struct list_head *prev, struct list_head *next) - { -- WARN(next->prev != prev, -- "list_add_rcu corruption. next->prev should be prev (%p), but was %p. (next=%p).\n", -- prev, next->prev, next); -- WARN(prev->next != next, -- "list_add_rcu corruption. prev->next should be next (%p), but was %p. (prev=%p).\n", -- next, prev->next, prev); -+ if (!__list_add_debug(new, prev, next)) -+ return; -+ - new->next = next; - new->prev = prev; - rcu_assign_pointer(list_next_rcu(prev), new); - next->prev = new; - } - EXPORT_SYMBOL(__list_add_rcu); -+#endif -+ -+void __pax_list_add(struct list_head *new, struct list_head *prev, struct list_head *next) -+{ -+#ifdef CONFIG_DEBUG_LIST -+ if (!__list_add_debug(new, prev, next)) -+ return; -+#endif -+ -+ pax_open_kernel(); -+ next->prev = new; -+ new->next = next; -+ new->prev = prev; -+ prev->next = new; -+ pax_close_kernel(); -+} -+EXPORT_SYMBOL(__pax_list_add); -+ -+void pax_list_del(struct list_head *entry) -+{ -+#ifdef CONFIG_DEBUG_LIST -+ if (!__list_del_entry_debug(entry)) -+ return; -+#endif -+ -+ pax_open_kernel(); -+ __list_del(entry->prev, entry->next); -+ entry->next = LIST_POISON1; -+ entry->prev = LIST_POISON2; -+ pax_close_kernel(); -+} -+EXPORT_SYMBOL(pax_list_del); -+ -+void pax_list_del_init(struct list_head *entry) -+{ -+ pax_open_kernel(); -+ __list_del(entry->prev, entry->next); -+ INIT_LIST_HEAD(entry); -+ pax_close_kernel(); -+} -+EXPORT_SYMBOL(pax_list_del_init); -+ -+void __pax_list_add_rcu(struct list_head *new, -+ struct list_head *prev, struct list_head *next) -+{ -+#ifdef CONFIG_DEBUG_LIST -+ if (!__list_add_debug(new, prev, next)) -+ return; -+#endif -+ -+ pax_open_kernel(); -+ new->next = next; -+ new->prev = prev; -+ rcu_assign_pointer(list_next_rcu(prev), new); -+ next->prev = new; -+ pax_close_kernel(); -+} -+EXPORT_SYMBOL(__pax_list_add_rcu); -+ -+void pax_list_del_rcu(struct list_head *entry) -+{ -+#ifdef CONFIG_DEBUG_LIST -+ if (!__list_del_entry_debug(entry)) -+ return; -+#endif -+ -+ pax_open_kernel(); -+ __list_del(entry->prev, entry->next); -+ entry->next = LIST_POISON1; -+ entry->prev = LIST_POISON2; -+ pax_close_kernel(); -+} -+EXPORT_SYMBOL(pax_list_del_rcu); -diff --git a/lib/lockref.c b/lib/lockref.c -index 494994b..65caf94 100644 ---- a/lib/lockref.c -+++ b/lib/lockref.c -@@ -48,13 +48,13 @@ - void lockref_get(struct lockref *lockref) - { - CMPXCHG_LOOP( -- new.count++; -+ __lockref_inc(&new); - , - return; - ); - - spin_lock(&lockref->lock); -- lockref->count++; -+ __lockref_inc(lockref); - spin_unlock(&lockref->lock); - } - EXPORT_SYMBOL(lockref_get); -@@ -69,8 +69,8 @@ int lockref_get_not_zero(struct lockref *lockref) - int retval; - - CMPXCHG_LOOP( -- new.count++; -- if (old.count <= 0) -+ __lockref_inc(&new); -+ if (__lockref_read(&old) <= 0) - return 0; - , - return 1; -@@ -78,8 +78,8 @@ int lockref_get_not_zero(struct lockref *lockref) - - spin_lock(&lockref->lock); - retval = 0; -- if (lockref->count > 0) { -- lockref->count++; -+ if (__lockref_read(lockref) > 0) { -+ __lockref_inc(lockref); - retval = 1; - } - spin_unlock(&lockref->lock); -@@ -96,17 +96,17 @@ EXPORT_SYMBOL(lockref_get_not_zero); - int lockref_get_or_lock(struct lockref *lockref) - { - CMPXCHG_LOOP( -- new.count++; -- if (old.count <= 0) -+ __lockref_inc(&new); -+ if (__lockref_read(&old) <= 0) - break; - , - return 1; - ); - - spin_lock(&lockref->lock); -- if (lockref->count <= 0) -+ if (__lockref_read(lockref) <= 0) - return 0; -- lockref->count++; -+ __lockref_inc(lockref); - spin_unlock(&lockref->lock); - return 1; - } -@@ -122,11 +122,11 @@ EXPORT_SYMBOL(lockref_get_or_lock); - int lockref_put_return(struct lockref *lockref) - { - CMPXCHG_LOOP( -- new.count--; -- if (old.count <= 0) -+ __lockref_dec(&new); -+ if (__lockref_read(&old) <= 0) - return -1; - , -- return new.count; -+ return __lockref_read(&new); - ); - return -1; - } -@@ -140,17 +140,17 @@ EXPORT_SYMBOL(lockref_put_return); - int lockref_put_or_lock(struct lockref *lockref) - { - CMPXCHG_LOOP( -- new.count--; -- if (old.count <= 1) -+ __lockref_dec(&new); -+ if (__lockref_read(&old) <= 1) - break; - , - return 1; - ); - - spin_lock(&lockref->lock); -- if (lockref->count <= 1) -+ if (__lockref_read(lockref) <= 1) - return 0; -- lockref->count--; -+ __lockref_dec(lockref); - spin_unlock(&lockref->lock); - return 1; - } -@@ -163,7 +163,7 @@ EXPORT_SYMBOL(lockref_put_or_lock); - void lockref_mark_dead(struct lockref *lockref) - { - assert_spin_locked(&lockref->lock); -- lockref->count = -128; -+ __lockref_set(lockref, -128); - } - EXPORT_SYMBOL(lockref_mark_dead); - -@@ -177,8 +177,8 @@ int lockref_get_not_dead(struct lockref *lockref) - int retval; - - CMPXCHG_LOOP( -- new.count++; -- if (old.count < 0) -+ __lockref_inc(&new); -+ if (__lockref_read(&old) < 0) - return 0; - , - return 1; -@@ -186,8 +186,8 @@ int lockref_get_not_dead(struct lockref *lockref) - - spin_lock(&lockref->lock); - retval = 0; -- if (lockref->count >= 0) { -- lockref->count++; -+ if (__lockref_read(lockref) >= 0) { -+ __lockref_inc(lockref); - retval = 1; - } - spin_unlock(&lockref->lock); -diff --git a/lib/nlattr.c b/lib/nlattr.c -index f5907d2..36072be 100644 ---- a/lib/nlattr.c -+++ b/lib/nlattr.c -@@ -278,6 +278,8 @@ int nla_memcpy(void *dest, const struct nlattr *src, int count) - { - int minlen = min_t(int, count, nla_len(src)); - -+ BUG_ON(minlen < 0); -+ - memcpy(dest, nla_data(src), minlen); - if (count > minlen) - memset(dest + minlen, 0, count - minlen); -diff --git a/lib/percpu-refcount.c b/lib/percpu-refcount.c -index 6111bcb..02e816b 100644 ---- a/lib/percpu-refcount.c -+++ b/lib/percpu-refcount.c -@@ -31,7 +31,7 @@ - * atomic_long_t can't hit 0 before we've added up all the percpu refs. - */ - --#define PERCPU_COUNT_BIAS (1LU << (BITS_PER_LONG - 1)) -+#define PERCPU_COUNT_BIAS (1LU << (BITS_PER_LONG - 2)) - - static DECLARE_WAIT_QUEUE_HEAD(percpu_ref_switch_waitq); - -diff --git a/lib/radix-tree.c b/lib/radix-tree.c -index 3d2aa27..a472f20 100644 ---- a/lib/radix-tree.c -+++ b/lib/radix-tree.c -@@ -67,7 +67,7 @@ struct radix_tree_preload { - int nr; - struct radix_tree_node *nodes[RADIX_TREE_PRELOAD_SIZE]; - }; --static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, }; -+static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads); - - static inline void *ptr_to_indirect(void *ptr) - { -diff --git a/lib/random32.c b/lib/random32.c -index 0bee183..526f12f 100644 ---- a/lib/random32.c -+++ b/lib/random32.c -@@ -47,7 +47,7 @@ static inline void prandom_state_selftest(void) - } - #endif - --static DEFINE_PER_CPU(struct rnd_state, net_rand_state); -+static DEFINE_PER_CPU(struct rnd_state, net_rand_state) __latent_entropy; - - /** - * prandom_u32_state - seeded pseudo-random number generator. -diff --git a/lib/rbtree.c b/lib/rbtree.c -index c16c81a..4dcbda1 100644 ---- a/lib/rbtree.c -+++ b/lib/rbtree.c -@@ -380,7 +380,9 @@ static inline void dummy_copy(struct rb_node *old, struct rb_node *new) {} - static inline void dummy_rotate(struct rb_node *old, struct rb_node *new) {} - - static const struct rb_augment_callbacks dummy_callbacks = { -- dummy_propagate, dummy_copy, dummy_rotate -+ .propagate = dummy_propagate, -+ .copy = dummy_copy, -+ .rotate = dummy_rotate - }; - - void rb_insert_color(struct rb_node *node, struct rb_root *root) -diff --git a/lib/show_mem.c b/lib/show_mem.c -index adc98e18..0ce83c2 100644 ---- a/lib/show_mem.c -+++ b/lib/show_mem.c -@@ -49,6 +49,6 @@ void show_mem(unsigned int filter) - quicklist_total_size()); - #endif - #ifdef CONFIG_MEMORY_FAILURE -- printk("%lu pages hwpoisoned\n", atomic_long_read(&num_poisoned_pages)); -+ printk("%lu pages hwpoisoned\n", atomic_long_read_unchecked(&num_poisoned_pages)); - #endif - } -diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c -index e0af6ff..fcc9f15 100644 ---- a/lib/strncpy_from_user.c -+++ b/lib/strncpy_from_user.c -@@ -22,7 +22,7 @@ - */ - static inline long do_strncpy_from_user(char *dst, const char __user *src, long count, unsigned long max) - { -- const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; -+ static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; - long res = 0; - - /* -diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c -index fe9a325..85cd8aa 100644 ---- a/lib/strnlen_user.c -+++ b/lib/strnlen_user.c -@@ -26,7 +26,7 @@ - */ - static inline long do_strnlen_user(const char __user *src, unsigned long count, unsigned long max) - { -- const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; -+ static const struct word_at_a_time constants = WORD_AT_A_TIME_CONSTANTS; - long align, res = 0; - unsigned long c; - -diff --git a/lib/swiotlb.c b/lib/swiotlb.c -index 3c365ab..75b43df 100644 ---- a/lib/swiotlb.c -+++ b/lib/swiotlb.c -@@ -683,7 +683,7 @@ EXPORT_SYMBOL(swiotlb_alloc_coherent); - - void - swiotlb_free_coherent(struct device *hwdev, size_t size, void *vaddr, -- dma_addr_t dev_addr) -+ dma_addr_t dev_addr, struct dma_attrs *attrs) - { - phys_addr_t paddr = dma_to_phys(hwdev, dev_addr); - -diff --git a/lib/test-hexdump.c b/lib/test-hexdump.c -index c227cc4..5241df3 100644 ---- a/lib/test-hexdump.c -+++ b/lib/test-hexdump.c -@@ -25,19 +25,19 @@ static const char * const test_data_1_le[] __initconst = { - "4c", "d1", "19", "99", "43", "b1", "af", "0c", - }; - --static const char *test_data_2_le[] __initdata = { -+static const char * const test_data_2_le[] __initconst = { - "32be", "7bdb", "180a", "b293", - "ba70", "24c4", "837d", "9b34", - "9ca6", "ad31", "0f9c", "e9ac", - "d14c", "9919", "b143", "0caf", - }; - --static const char *test_data_4_le[] __initdata = { -+static const char * const test_data_4_le[] __initconst = { - "7bdb32be", "b293180a", "24c4ba70", "9b34837d", - "ad319ca6", "e9ac0f9c", "9919d14c", "0cafb143", - }; - --static const char *test_data_8_le[] __initdata = { -+static const char * const test_data_8_le[] __initconst = { - "b293180a7bdb32be", "9b34837d24c4ba70", - "e9ac0f9cad319ca6", "0cafb1439919d14c", - }; -diff --git a/lib/usercopy.c b/lib/usercopy.c -index 4f5b1dd..7cab418 100644 ---- a/lib/usercopy.c -+++ b/lib/usercopy.c -@@ -7,3 +7,9 @@ void copy_from_user_overflow(void) - WARN(1, "Buffer overflow detected!\n"); - } - EXPORT_SYMBOL(copy_from_user_overflow); -+ -+void copy_to_user_overflow(void) -+{ -+ WARN(1, "Buffer overflow detected!\n"); -+} -+EXPORT_SYMBOL(copy_to_user_overflow); -diff --git a/lib/vsprintf.c b/lib/vsprintf.c -index da39c60..ac91239 100644 ---- a/lib/vsprintf.c -+++ b/lib/vsprintf.c -@@ -16,6 +16,9 @@ - * - scnprintf and vscnprintf - */ - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+#define __INCLUDED_BY_HIDESYM 1 -+#endif - #include <stdarg.h> - #include <linux/clk-provider.h> - #include <linux/module.h> /* for KSYM_SYMBOL_LEN */ -@@ -628,7 +631,7 @@ char *symbol_string(char *buf, char *end, void *ptr, - #ifdef CONFIG_KALLSYMS - if (*fmt == 'B') - sprint_backtrace(sym, value); -- else if (*fmt != 'f' && *fmt != 's') -+ else if (*fmt != 'f' && *fmt != 's' && *fmt != 'X') - sprint_symbol(sym, value); - else - sprint_symbol_no_offset(sym, value); -@@ -1360,7 +1363,11 @@ char *clock(char *buf, char *end, struct clk *clk, struct printf_spec spec, - } - } - --int kptr_restrict __read_mostly; -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+int kptr_restrict __read_only = 2; -+#else -+int kptr_restrict __read_only; -+#endif - - /* - * Show a '%p' thing. A kernel extension is that the '%p' is followed -@@ -1371,8 +1378,10 @@ int kptr_restrict __read_mostly; - * - * - 'F' For symbolic function descriptor pointers with offset - * - 'f' For simple symbolic function names without offset -+ * - 'X' For simple symbolic function names without offset approved for use with GRKERNSEC_HIDESYM - * - 'S' For symbolic direct pointers with offset - * - 's' For symbolic direct pointers without offset -+ * - 'A' For symbolic direct pointers with offset approved for use with GRKERNSEC_HIDESYM - * - '[FfSs]R' as above with __builtin_extract_return_addr() translation - * - 'B' For backtraced symbolic direct pointers with offset - * - 'R' For decoded struct resource, e.g., [mem 0x0-0x1f 64bit pref] -@@ -1460,12 +1469,12 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, - - if (!ptr && *fmt != 'K') { - /* -- * Print (null) with the same width as a pointer so it makes -+ * Print (nil) with the same width as a pointer so it makes - * tabular output look nice. - */ - if (spec.field_width == -1) - spec.field_width = default_width; -- return string(buf, end, "(null)", spec); -+ return string(buf, end, "(nil)", spec); - } - - switch (*fmt) { -@@ -1475,6 +1484,14 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, - /* Fallthrough */ - case 'S': - case 's': -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ break; -+#else -+ return symbol_string(buf, end, ptr, spec, fmt); -+#endif -+ case 'X': -+ ptr = dereference_function_descriptor(ptr); -+ case 'A': - case 'B': - return symbol_string(buf, end, ptr, spec, fmt); - case 'R': -@@ -1539,6 +1556,8 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, - va_end(va); - return buf; - } -+ case 'P': -+ break; - case 'K': - /* - * %pK cannot be used in IRQ context because its test -@@ -1598,6 +1617,22 @@ char *pointer(const char *fmt, char *buf, char *end, void *ptr, - ((const struct file *)ptr)->f_path.dentry, - spec, fmt); - } -+ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ /* 'P' = approved pointers to copy to userland, -+ as in the /proc/kallsyms case, as we make it display nothing -+ for non-root users, and the real contents for root users -+ 'X' = approved simple symbols -+ Also ignore 'K' pointers, since we force their NULLing for non-root users -+ above -+ */ -+ if ((unsigned long)ptr > TASK_SIZE && *fmt != 'P' && *fmt != 'X' && *fmt != 'K' && is_usercopy_object(buf)) { -+ printk(KERN_ALERT "grsec: kernel infoleak detected! Please report this log to spender@grsecurity.net.\n"); -+ dump_stack(); -+ ptr = NULL; -+ } -+#endif -+ - spec.flags |= SMALL; - if (spec.field_width == -1) { - spec.field_width = default_width; -@@ -2296,11 +2331,11 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf) - typeof(type) value; \ - if (sizeof(type) == 8) { \ - args = PTR_ALIGN(args, sizeof(u32)); \ -- *(u32 *)&value = *(u32 *)args; \ -- *((u32 *)&value + 1) = *(u32 *)(args + 4); \ -+ *(u32 *)&value = *(const u32 *)args; \ -+ *((u32 *)&value + 1) = *(const u32 *)(args + 4); \ - } else { \ - args = PTR_ALIGN(args, sizeof(type)); \ -- value = *(typeof(type) *)args; \ -+ value = *(const typeof(type) *)args; \ - } \ - args += sizeof(type); \ - value; \ -@@ -2363,7 +2398,7 @@ int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf) - case FORMAT_TYPE_STR: { - const char *str_arg = args; - args += strlen(str_arg) + 1; -- str = string(str, end, (char *)str_arg, spec); -+ str = string(str, end, str_arg, spec); - break; - } - -diff --git a/localversion-grsec b/localversion-grsec -new file mode 100644 -index 0000000..7cd6065 ---- /dev/null -+++ b/localversion-grsec -@@ -0,0 +1 @@ -+-grsec -diff --git a/mm/Kconfig b/mm/Kconfig -index 390214d..f96e3b8 100644 ---- a/mm/Kconfig -+++ b/mm/Kconfig -@@ -342,10 +342,11 @@ config KSM - root has set /sys/kernel/mm/ksm/run to 1 (if CONFIG_SYSFS is set). - - config DEFAULT_MMAP_MIN_ADDR -- int "Low address space to protect from user allocation" -+ int "Low address space to protect from user allocation" - depends on MMU -- default 4096 -- help -+ default 32768 if ALPHA || ARM || PARISC || SPARC32 -+ default 65536 -+ help - This is the portion of low virtual memory which should be protected - from userspace allocation. Keeping a user from writing to low pages - can help reduce the impact of kernel NULL pointer bugs. -@@ -376,7 +377,7 @@ config MEMORY_FAILURE - - config HWPOISON_INJECT - tristate "HWPoison pages injector" -- depends on MEMORY_FAILURE && DEBUG_KERNEL && PROC_FS -+ depends on MEMORY_FAILURE && DEBUG_KERNEL && PROC_FS && !GRKERNSEC - select PROC_PAGE_MONITOR - - config NOMMU_INITIAL_TRIM_EXCESS -diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug -index 957d3da..1d34e20 100644 ---- a/mm/Kconfig.debug -+++ b/mm/Kconfig.debug -@@ -10,6 +10,7 @@ config PAGE_EXTENSION - config DEBUG_PAGEALLOC - bool "Debug page memory allocations" - depends on DEBUG_KERNEL -+ depends on !PAX_MEMORY_SANITIZE - depends on !HIBERNATION || ARCH_SUPPORTS_DEBUG_PAGEALLOC && !PPC && !SPARC - depends on !KMEMCHECK - select PAGE_EXTENSION -diff --git a/mm/backing-dev.c b/mm/backing-dev.c -index 000e7b3..aad2605 100644 ---- a/mm/backing-dev.c -+++ b/mm/backing-dev.c -@@ -12,7 +12,7 @@ - #include <linux/device.h> - #include <trace/events/writeback.h> - --static atomic_long_t bdi_seq = ATOMIC_LONG_INIT(0); -+static atomic_long_unchecked_t bdi_seq = ATOMIC_LONG_INIT(0); - - struct backing_dev_info noop_backing_dev_info = { - .name = "noop", -@@ -458,7 +458,7 @@ int bdi_setup_and_register(struct backing_dev_info *bdi, char *name) - return err; - - err = bdi_register(bdi, NULL, "%.28s-%ld", name, -- atomic_long_inc_return(&bdi_seq)); -+ atomic_long_inc_return_unchecked(&bdi_seq)); - if (err) { - bdi_destroy(bdi); - return err; -diff --git a/mm/cma_debug.c b/mm/cma_debug.c -index 7621ee3..f8e4b60 100644 ---- a/mm/cma_debug.c -+++ b/mm/cma_debug.c -@@ -39,7 +39,7 @@ static int cma_used_get(void *data, u64 *val) - - mutex_lock(&cma->lock); - /* pages counter is smaller than sizeof(int) */ -- used = bitmap_weight(cma->bitmap, (int)cma->count); -+ used = bitmap_weight(cma->bitmap, (int)cma_bitmap_maxno(cma)); - mutex_unlock(&cma->lock); - *val = (u64)used << cma->order_per_bit; - -@@ -52,13 +52,14 @@ static int cma_maxchunk_get(void *data, u64 *val) - struct cma *cma = data; - unsigned long maxchunk = 0; - unsigned long start, end = 0; -+ unsigned long bitmap_maxno = cma_bitmap_maxno(cma); - - mutex_lock(&cma->lock); - for (;;) { -- start = find_next_zero_bit(cma->bitmap, cma->count, end); -+ start = find_next_zero_bit(cma->bitmap, bitmap_maxno, end); - if (start >= cma->count) - break; -- end = find_next_bit(cma->bitmap, cma->count, start); -+ end = find_next_bit(cma->bitmap, bitmap_maxno, start); - maxchunk = max(end - start, maxchunk); - } - mutex_unlock(&cma->lock); -@@ -170,10 +171,10 @@ static void cma_debugfs_add_one(struct cma *cma, int idx) - - tmp = debugfs_create_dir(name, cma_debugfs_root); - -- debugfs_create_file("alloc", S_IWUSR, cma_debugfs_root, cma, -+ debugfs_create_file("alloc", S_IWUSR, tmp, cma, - &cma_alloc_fops); - -- debugfs_create_file("free", S_IWUSR, cma_debugfs_root, cma, -+ debugfs_create_file("free", S_IWUSR, tmp, cma, - &cma_free_fops); - - debugfs_create_file("base_pfn", S_IRUGO, tmp, -diff --git a/mm/filemap.c b/mm/filemap.c -index 6bf5e42..1e631ee 100644 ---- a/mm/filemap.c -+++ b/mm/filemap.c -@@ -2095,7 +2095,7 @@ int generic_file_mmap(struct file * file, struct vm_area_struct * vma) - struct address_space *mapping = file->f_mapping; - - if (!mapping->a_ops->readpage) -- return -ENOEXEC; -+ return -ENODEV; - file_accessed(file); - vma->vm_ops = &generic_file_vm_ops; - return 0; -@@ -2276,6 +2276,7 @@ inline ssize_t generic_write_checks(struct kiocb *iocb, struct iov_iter *from) - pos = iocb->ki_pos; - - if (limit != RLIM_INFINITY) { -+ gr_learn_resource(current, RLIMIT_FSIZE, iocb->ki_pos, 0); - if (iocb->ki_pos >= limit) { - send_sig(SIGXFSZ, current, 0); - return -EFBIG; -diff --git a/mm/gup.c b/mm/gup.c -index 6297f6b..7652403 100644 ---- a/mm/gup.c -+++ b/mm/gup.c -@@ -265,11 +265,6 @@ static int faultin_page(struct task_struct *tsk, struct vm_area_struct *vma, - unsigned int fault_flags = 0; - int ret; - -- /* For mm_populate(), just skip the stack guard page. */ -- if ((*flags & FOLL_POPULATE) && -- (stack_guard_page_start(vma, address) || -- stack_guard_page_end(vma, address + PAGE_SIZE))) -- return -ENOENT; - if (*flags & FOLL_WRITE) - fault_flags |= FAULT_FLAG_WRITE; - if (nonblocking) -@@ -435,14 +430,14 @@ long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - if (!(gup_flags & FOLL_FORCE)) - gup_flags |= FOLL_NUMA; - -- do { -+ while (nr_pages) { - struct page *page; - unsigned int foll_flags = gup_flags; - unsigned int page_increm; - - /* first iteration or cross vma bound */ - if (!vma || start >= vma->vm_end) { -- vma = find_extend_vma(mm, start); -+ vma = find_vma(mm, start); - if (!vma && in_gate_area(mm, start)) { - int ret; - ret = get_gate_page(mm, start & PAGE_MASK, -@@ -454,7 +449,7 @@ long __get_user_pages(struct task_struct *tsk, struct mm_struct *mm, - goto next_page; - } - -- if (!vma || check_vma_flags(vma, gup_flags)) -+ if (!vma || start < vma->vm_start || check_vma_flags(vma, gup_flags)) - return i ? : -EFAULT; - if (is_vm_hugetlb_page(vma)) { - i = follow_hugetlb_page(mm, vma, pages, vmas, -@@ -509,7 +504,7 @@ next_page: - i += page_increm; - start += page_increm * PAGE_SIZE; - nr_pages -= page_increm; -- } while (nr_pages); -+ } - return i; - } - EXPORT_SYMBOL(__get_user_pages); -diff --git a/mm/highmem.c b/mm/highmem.c -index 123bcd3..0de52ba 100644 ---- a/mm/highmem.c -+++ b/mm/highmem.c -@@ -195,8 +195,9 @@ static void flush_all_zero_pkmaps(void) - * So no dangers, even with speculative execution. - */ - page = pte_page(pkmap_page_table[i]); -+ pax_open_kernel(); - pte_clear(&init_mm, PKMAP_ADDR(i), &pkmap_page_table[i]); -- -+ pax_close_kernel(); - set_page_address(page, NULL); - need_flush = 1; - } -@@ -259,9 +260,11 @@ start: - } - } - vaddr = PKMAP_ADDR(last_pkmap_nr); -+ -+ pax_open_kernel(); - set_pte_at(&init_mm, vaddr, - &(pkmap_page_table[last_pkmap_nr]), mk_pte(page, kmap_prot)); -- -+ pax_close_kernel(); - pkmap_count[last_pkmap_nr] = 1; - set_page_address(page, (void *)vaddr); - -diff --git a/mm/hugetlb.c b/mm/hugetlb.c -index 8c4c1f9..7019e3d 100644 ---- a/mm/hugetlb.c -+++ b/mm/hugetlb.c -@@ -2365,6 +2365,7 @@ static int hugetlb_sysctl_handler_common(bool obey_mempolicy, - struct ctl_table *table, int write, - void __user *buffer, size_t *length, loff_t *ppos) - { -+ ctl_table_no_const t; - struct hstate *h = &default_hstate; - unsigned long tmp = h->max_huge_pages; - int ret; -@@ -2372,9 +2373,10 @@ static int hugetlb_sysctl_handler_common(bool obey_mempolicy, - if (!hugepages_supported()) - return -ENOTSUPP; - -- table->data = &tmp; -- table->maxlen = sizeof(unsigned long); -- ret = proc_doulongvec_minmax(table, write, buffer, length, ppos); -+ t = *table; -+ t.data = &tmp; -+ t.maxlen = sizeof(unsigned long); -+ ret = proc_doulongvec_minmax(&t, write, buffer, length, ppos); - if (ret) - goto out; - -@@ -2409,6 +2411,7 @@ int hugetlb_overcommit_handler(struct ctl_table *table, int write, - struct hstate *h = &default_hstate; - unsigned long tmp; - int ret; -+ ctl_table_no_const hugetlb_table; - - if (!hugepages_supported()) - return -ENOTSUPP; -@@ -2418,9 +2421,10 @@ int hugetlb_overcommit_handler(struct ctl_table *table, int write, - if (write && hstate_is_gigantic(h)) - return -EINVAL; - -- table->data = &tmp; -- table->maxlen = sizeof(unsigned long); -- ret = proc_doulongvec_minmax(table, write, buffer, length, ppos); -+ hugetlb_table = *table; -+ hugetlb_table.data = &tmp; -+ hugetlb_table.maxlen = sizeof(unsigned long); -+ ret = proc_doulongvec_minmax(&hugetlb_table, write, buffer, length, ppos); - if (ret) - goto out; - -@@ -2910,6 +2914,27 @@ static void unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma, - i_mmap_unlock_write(mapping); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+static void pax_mirror_huge_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ struct vm_area_struct *vma_m; -+ unsigned long address_m; -+ pte_t *ptep_m; -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ ptep_m = huge_pte_offset(mm, address_m & HPAGE_MASK); -+ get_page(page_m); -+ hugepage_add_anon_rmap(page_m, vma_m, address_m); -+ set_huge_pte_at(mm, address_m, ptep_m, make_huge_pte(vma_m, page_m, 0)); -+} -+#endif -+ - /* - * Hugetlb_cow() should be called with page lock of the original hugepage held. - * Called with hugetlb_instantiation_mutex held and pte_page locked so we -@@ -3023,6 +3048,11 @@ retry_avoidcopy: - make_huge_pte(vma, new_page, 1)); - page_remove_rmap(old_page); - hugepage_add_new_anon_rmap(new_page, vma, address); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_huge_pte(vma, address, new_page); -+#endif -+ - /* Make the old page be freed below */ - new_page = old_page; - } -@@ -3184,6 +3214,10 @@ retry: - && (vma->vm_flags & VM_SHARED))); - set_huge_pte_at(mm, address, ptep, new_pte); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_huge_pte(vma, address, page); -+#endif -+ - if ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) { - /* Optimization, do the COW without a second fault */ - ret = hugetlb_cow(mm, vma, address, ptep, new_pte, page, ptl); -@@ -3251,6 +3285,10 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, - struct address_space *mapping; - int need_wait_lock = 0; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - address &= huge_page_mask(h); - - ptep = huge_pte_offset(mm, address); -@@ -3264,6 +3302,26 @@ int hugetlb_fault(struct mm_struct *mm, struct vm_area_struct *vma, - VM_FAULT_SET_HINDEX(hstate_index(h)); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ unsigned long address_m; -+ -+ if (vma->vm_start > vma_m->vm_start) { -+ address_m = address; -+ address -= SEGMEXEC_TASK_SIZE; -+ vma = vma_m; -+ h = hstate_vma(vma); -+ } else -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ -+ if (!huge_pte_alloc(mm, address_m, huge_page_size(h))) -+ return VM_FAULT_OOM; -+ address_m &= HPAGE_MASK; -+ unmap_hugepage_range(vma, address_m, address_m + HPAGE_SIZE, NULL); -+ } -+#endif -+ - ptep = huge_pte_alloc(mm, address, huge_page_size(h)); - if (!ptep) - return VM_FAULT_OOM; -diff --git a/mm/internal.h b/mm/internal.h -index a25e359..e2c96e9 100644 ---- a/mm/internal.h -+++ b/mm/internal.h -@@ -156,6 +156,7 @@ __find_buddy_index(unsigned long page_idx, unsigned int order) - - extern int __isolate_free_page(struct page *page, unsigned int order); - extern void __free_pages_bootmem(struct page *page, unsigned int order); -+extern void free_compound_page(struct page *page); - extern void prep_compound_page(struct page *page, unsigned long order); - #ifdef CONFIG_MEMORY_FAILURE - extern bool is_free_buddy_page(struct page *page); -@@ -413,7 +414,7 @@ extern u32 hwpoison_filter_enable; - - extern unsigned long vm_mmap_pgoff(struct file *, unsigned long, - unsigned long, unsigned long, -- unsigned long, unsigned long); -+ unsigned long, unsigned long) __intentional_overflow(-1); - - extern void set_pageblock_order(void); - unsigned long reclaim_clean_pages_from_list(struct zone *zone, -diff --git a/mm/kmemleak.c b/mm/kmemleak.c -index 3716cdb..25b97dc 100644 ---- a/mm/kmemleak.c -+++ b/mm/kmemleak.c -@@ -368,7 +368,7 @@ static void print_unreferenced(struct seq_file *seq, - - for (i = 0; i < object->trace_len; i++) { - void *ptr = (void *)object->trace[i]; -- seq_printf(seq, " [<%p>] %pS\n", ptr, ptr); -+ seq_printf(seq, " [<%pP>] %pA\n", ptr, ptr); - } - } - -@@ -1926,7 +1926,7 @@ static int __init kmemleak_late_init(void) - return -ENOMEM; - } - -- dentry = debugfs_create_file("kmemleak", S_IRUGO, NULL, NULL, -+ dentry = debugfs_create_file("kmemleak", S_IRUSR, NULL, NULL, - &kmemleak_fops); - if (!dentry) - pr_warning("Failed to create the debugfs kmemleak file\n"); -diff --git a/mm/maccess.c b/mm/maccess.c -index d53adf9..03a24bf 100644 ---- a/mm/maccess.c -+++ b/mm/maccess.c -@@ -26,7 +26,7 @@ long __probe_kernel_read(void *dst, const void *src, size_t size) - set_fs(KERNEL_DS); - pagefault_disable(); - ret = __copy_from_user_inatomic(dst, -- (__force const void __user *)src, size); -+ (const void __force_user *)src, size); - pagefault_enable(); - set_fs(old_fs); - -@@ -53,7 +53,7 @@ long __probe_kernel_write(void *dst, const void *src, size_t size) - - set_fs(KERNEL_DS); - pagefault_disable(); -- ret = __copy_to_user_inatomic((__force void __user *)dst, src, size); -+ ret = __copy_to_user_inatomic((void __force_user *)dst, src, size); - pagefault_enable(); - set_fs(old_fs); - -diff --git a/mm/madvise.c b/mm/madvise.c -index d551475..8fdd7f3 100644 ---- a/mm/madvise.c -+++ b/mm/madvise.c -@@ -51,6 +51,10 @@ static long madvise_behavior(struct vm_area_struct *vma, - pgoff_t pgoff; - unsigned long new_flags = vma->vm_flags; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - switch (behavior) { - case MADV_NORMAL: - new_flags = new_flags & ~VM_RAND_READ & ~VM_SEQ_READ; -@@ -126,6 +130,13 @@ success: - /* - * vm_flags is protected by the mmap_sem held in write mode. - */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) -+ vma_m->vm_flags = new_flags & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT); -+#endif -+ - vma->vm_flags = new_flags; - - out: -@@ -277,11 +288,27 @@ static long madvise_dontneed(struct vm_area_struct *vma, - struct vm_area_struct **prev, - unsigned long start, unsigned long end) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - *prev = vma; - if (vma->vm_flags & (VM_LOCKED|VM_HUGETLB|VM_PFNMAP)) - return -EINVAL; - - zap_page_range(vma, start, end - start, NULL); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ if (vma_m->vm_flags & (VM_LOCKED|VM_HUGETLB|VM_PFNMAP)) -+ return -EINVAL; -+ -+ zap_page_range(vma_m, start + SEGMEXEC_TASK_SIZE, end - start, NULL); -+ } -+#endif -+ - return 0; - } - -@@ -484,6 +511,16 @@ SYSCALL_DEFINE3(madvise, unsigned long, start, size_t, len_in, int, behavior) - if (end < start) - return error; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (end > SEGMEXEC_TASK_SIZE) -+ return error; -+ } else -+#endif -+ -+ if (end > TASK_SIZE) -+ return error; -+ - error = 0; - if (end == start) - return error; -diff --git a/mm/memory-failure.c b/mm/memory-failure.c -index 9f48145..60a2ac1 100644 ---- a/mm/memory-failure.c -+++ b/mm/memory-failure.c -@@ -61,7 +61,7 @@ int sysctl_memory_failure_early_kill __read_mostly = 0; - - int sysctl_memory_failure_recovery __read_mostly = 1; - --atomic_long_t num_poisoned_pages __read_mostly = ATOMIC_LONG_INIT(0); -+atomic_long_unchecked_t num_poisoned_pages __read_mostly = ATOMIC_LONG_INIT(0); - - #if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE) - -@@ -198,7 +198,7 @@ static int kill_proc(struct task_struct *t, unsigned long addr, int trapno, - pfn, t->comm, t->pid); - si.si_signo = SIGBUS; - si.si_errno = 0; -- si.si_addr = (void *)addr; -+ si.si_addr = (void __user *)addr; - #ifdef __ARCH_SI_TRAPNO - si.si_trapno = trapno; - #endif -@@ -825,7 +825,7 @@ static struct page_state { - unsigned long res; - enum action_page_type type; - int (*action)(struct page *p, unsigned long pfn); --} error_states[] = { -+} __do_const error_states[] = { - { reserved, reserved, MSG_KERNEL, me_kernel }, - /* - * free pages are specially detected outside this table: -@@ -1133,7 +1133,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags) - nr_pages = 1 << compound_order(hpage); - else /* normal page or thp */ - nr_pages = 1; -- atomic_long_add(nr_pages, &num_poisoned_pages); -+ atomic_long_add_unchecked(nr_pages, &num_poisoned_pages); - - /* - * We need/can do nothing about count=0 pages. -@@ -1162,7 +1162,7 @@ int memory_failure(unsigned long pfn, int trapno, int flags) - if (PageHWPoison(hpage)) { - if ((hwpoison_filter(p) && TestClearPageHWPoison(p)) - || (p != hpage && TestSetPageHWPoison(hpage))) { -- atomic_long_sub(nr_pages, &num_poisoned_pages); -+ atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages); - unlock_page(hpage); - return 0; - } -@@ -1231,14 +1231,14 @@ int memory_failure(unsigned long pfn, int trapno, int flags) - */ - if (!PageHWPoison(p)) { - printk(KERN_ERR "MCE %#lx: just unpoisoned\n", pfn); -- atomic_long_sub(nr_pages, &num_poisoned_pages); -+ atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages); - put_page(hpage); - res = 0; - goto out; - } - if (hwpoison_filter(p)) { - if (TestClearPageHWPoison(p)) -- atomic_long_sub(nr_pages, &num_poisoned_pages); -+ atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages); - unlock_page(hpage); - put_page(hpage); - return 0; -@@ -1467,7 +1467,7 @@ int unpoison_memory(unsigned long pfn) - return 0; - } - if (TestClearPageHWPoison(p)) -- atomic_long_dec(&num_poisoned_pages); -+ atomic_long_dec_unchecked(&num_poisoned_pages); - pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn); - return 0; - } -@@ -1481,7 +1481,7 @@ int unpoison_memory(unsigned long pfn) - */ - if (TestClearPageHWPoison(page)) { - pr_info("MCE: Software-unpoisoned page %#lx\n", pfn); -- atomic_long_sub(nr_pages, &num_poisoned_pages); -+ atomic_long_sub_unchecked(nr_pages, &num_poisoned_pages); - freeit = 1; - if (PageHuge(page)) - clear_page_hwpoison_huge_page(page); -@@ -1617,11 +1617,11 @@ static int soft_offline_huge_page(struct page *page, int flags) - if (PageHuge(page)) { - set_page_hwpoison_huge_page(hpage); - dequeue_hwpoisoned_huge_page(hpage); -- atomic_long_add(1 << compound_order(hpage), -+ atomic_long_add_unchecked(1 << compound_order(hpage), - &num_poisoned_pages); - } else { - SetPageHWPoison(page); -- atomic_long_inc(&num_poisoned_pages); -+ atomic_long_inc_unchecked(&num_poisoned_pages); - } - } - return ret; -@@ -1660,7 +1660,7 @@ static int __soft_offline_page(struct page *page, int flags) - put_page(page); - pr_info("soft_offline: %#lx: invalidated\n", pfn); - SetPageHWPoison(page); -- atomic_long_inc(&num_poisoned_pages); -+ atomic_long_inc_unchecked(&num_poisoned_pages); - return 0; - } - -@@ -1709,7 +1709,7 @@ static int __soft_offline_page(struct page *page, int flags) - if (!is_free_buddy_page(page)) - pr_info("soft offline: %#lx: page leaked\n", - pfn); -- atomic_long_inc(&num_poisoned_pages); -+ atomic_long_inc_unchecked(&num_poisoned_pages); - } - } else { - pr_info("soft offline: %#lx: isolation failed: %d, page count %d, type %lx\n", -@@ -1779,11 +1779,11 @@ int soft_offline_page(struct page *page, int flags) - if (PageHuge(page)) { - set_page_hwpoison_huge_page(hpage); - if (!dequeue_hwpoisoned_huge_page(hpage)) -- atomic_long_add(1 << compound_order(hpage), -+ atomic_long_add_unchecked(1 << compound_order(hpage), - &num_poisoned_pages); - } else { - if (!TestSetPageHWPoison(page)) -- atomic_long_inc(&num_poisoned_pages); -+ atomic_long_inc_unchecked(&num_poisoned_pages); - } - } - unset_migratetype_isolate(page, MIGRATE_MOVABLE); -diff --git a/mm/memory.c b/mm/memory.c -index 2a9e098..37435af 100644 ---- a/mm/memory.c -+++ b/mm/memory.c -@@ -414,6 +414,7 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud, - free_pte_range(tlb, pmd, addr); - } while (pmd++, addr = next, addr != end); - -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_PER_CPU_PGD) - start &= PUD_MASK; - if (start < floor) - return; -@@ -429,6 +430,7 @@ static inline void free_pmd_range(struct mmu_gather *tlb, pud_t *pud, - pud_clear(pud); - pmd_free_tlb(tlb, pmd, start); - mm_dec_nr_pmds(tlb->mm); -+#endif - } - - static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, -@@ -448,6 +450,7 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, - free_pmd_range(tlb, pud, addr, next, floor, ceiling); - } while (pud++, addr = next, addr != end); - -+#if !defined(CONFIG_X86_64) || !defined(CONFIG_PAX_PER_CPU_PGD) - start &= PGDIR_MASK; - if (start < floor) - return; -@@ -462,6 +465,8 @@ static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, - pud = pud_offset(pgd, start); - pgd_clear(pgd); - pud_free_tlb(tlb, pud, start); -+#endif -+ - } - - /* -@@ -690,7 +695,7 @@ static void print_bad_pte(struct vm_area_struct *vma, unsigned long addr, - /* - * Choose text because data symbols depend on CONFIG_KALLSYMS_ALL=y - */ -- pr_alert("file:%pD fault:%pf mmap:%pf readpage:%pf\n", -+ pr_alert("file:%pD fault:%pX mmap:%pX readpage:%pX\n", - vma->vm_file, - vma->vm_ops ? vma->vm_ops->fault : NULL, - vma->vm_file ? vma->vm_file->f_op->mmap : NULL, -@@ -1463,6 +1468,10 @@ static int insert_page(struct vm_area_struct *vma, unsigned long addr, - page_add_file_rmap(page); - set_pte_at(mm, addr, pte, mk_pte(page, prot)); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_file_pte(vma, addr, page, ptl); -+#endif -+ - retval = 0; - pte_unmap_unlock(pte, ptl); - return retval; -@@ -1507,9 +1516,21 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, - if (!page_count(page)) - return -EINVAL; - if (!(vma->vm_flags & VM_MIXEDMAP)) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - BUG_ON(down_read_trylock(&vma->vm_mm->mmap_sem)); - BUG_ON(vma->vm_flags & VM_PFNMAP); - vma->vm_flags |= VM_MIXEDMAP; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) -+ vma_m->vm_flags |= VM_MIXEDMAP; -+#endif -+ - } - return insert_page(vma, addr, page, vma->vm_page_prot); - } -@@ -1592,6 +1613,7 @@ int vm_insert_mixed(struct vm_area_struct *vma, unsigned long addr, - unsigned long pfn) - { - BUG_ON(!(vma->vm_flags & VM_MIXEDMAP)); -+ BUG_ON(vma->vm_mirror); - - if (addr < vma->vm_start || addr >= vma->vm_end) - return -EFAULT; -@@ -1839,7 +1861,9 @@ static int apply_to_pmd_range(struct mm_struct *mm, pud_t *pud, - - BUG_ON(pud_huge(*pud)); - -- pmd = pmd_alloc(mm, pud, addr); -+ pmd = (mm == &init_mm) ? -+ pmd_alloc_kernel(mm, pud, addr) : -+ pmd_alloc(mm, pud, addr); - if (!pmd) - return -ENOMEM; - do { -@@ -1859,7 +1883,9 @@ static int apply_to_pud_range(struct mm_struct *mm, pgd_t *pgd, - unsigned long next; - int err; - -- pud = pud_alloc(mm, pgd, addr); -+ pud = (mm == &init_mm) ? -+ pud_alloc_kernel(mm, pgd, addr) : -+ pud_alloc(mm, pgd, addr); - if (!pud) - return -ENOMEM; - do { -@@ -2040,6 +2066,196 @@ static inline int wp_page_reuse(struct mm_struct *mm, - return VM_FAULT_WRITE; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+static void pax_unmap_mirror_pte(struct vm_area_struct *vma, unsigned long address, pmd_t *pmd) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ spinlock_t *ptl; -+ pte_t *pte, entry; -+ -+ pte = pte_offset_map_lock(mm, pmd, address, &ptl); -+ entry = *pte; -+ if (pte_none(entry)) -+ ; -+ else if (!pte_present(entry)) { -+ swp_entry_t swapentry; -+ -+ swapentry = pte_to_swp_entry(entry); -+ if (!non_swap_entry(swapentry)) -+ dec_mm_counter_fast(mm, MM_SWAPENTS); -+ else if (is_migration_entry(swapentry)) { -+ if (PageAnon(migration_entry_to_page(swapentry))) -+ dec_mm_counter_fast(mm, MM_ANONPAGES); -+ else -+ dec_mm_counter_fast(mm, MM_FILEPAGES); -+ } -+ free_swap_and_cache(swapentry); -+ pte_clear_not_present_full(mm, address, pte, 0); -+ } else { -+ struct page *page; -+ -+ flush_cache_page(vma, address, pte_pfn(entry)); -+ entry = ptep_clear_flush(vma, address, pte); -+ BUG_ON(pte_dirty(entry)); -+ page = vm_normal_page(vma, address, entry); -+ if (page) { -+ update_hiwater_rss(mm); -+ if (PageAnon(page)) -+ dec_mm_counter_fast(mm, MM_ANONPAGES); -+ else -+ dec_mm_counter_fast(mm, MM_FILEPAGES); -+ page_remove_rmap(page); -+ page_cache_release(page); -+ } -+ } -+ pte_unmap_unlock(pte, ptl); -+} -+ -+/* PaX: if vma is mirrored, synchronize the mirror's PTE -+ * -+ * the ptl of the lower mapped page is held on entry and is not released on exit -+ * or inside to ensure atomic changes to the PTE states (swapout, mremap, munmap, etc) -+ */ -+static void pax_mirror_anon_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ unsigned long address_m; -+ spinlock_t *ptl_m; -+ struct vm_area_struct *vma_m; -+ pmd_t *pmd_m; -+ pte_t *pte_m, entry_m; -+ -+ BUG_ON(!page_m || !PageAnon(page_m)); -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(!PageLocked(page_m)); -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m); -+ pte_m = pte_offset_map(pmd_m, address_m); -+ ptl_m = pte_lockptr(mm, pmd_m); -+ if (ptl != ptl_m) { -+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING); -+ if (!pte_none(*pte_m)) -+ goto out; -+ } -+ -+ entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot); -+ page_cache_get(page_m); -+ page_add_anon_rmap(page_m, vma_m, address_m); -+ inc_mm_counter_fast(mm, MM_ANONPAGES); -+ set_pte_at(mm, address_m, pte_m, entry_m); -+ update_mmu_cache(vma_m, address_m, pte_m); -+out: -+ if (ptl != ptl_m) -+ spin_unlock(ptl_m); -+ pte_unmap(pte_m); -+ unlock_page(page_m); -+} -+ -+void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ unsigned long address_m; -+ spinlock_t *ptl_m; -+ struct vm_area_struct *vma_m; -+ pmd_t *pmd_m; -+ pte_t *pte_m, entry_m; -+ -+ BUG_ON(!page_m || PageAnon(page_m)); -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m); -+ pte_m = pte_offset_map(pmd_m, address_m); -+ ptl_m = pte_lockptr(mm, pmd_m); -+ if (ptl != ptl_m) { -+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING); -+ if (!pte_none(*pte_m)) -+ goto out; -+ } -+ -+ entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot); -+ page_cache_get(page_m); -+ page_add_file_rmap(page_m); -+ inc_mm_counter_fast(mm, MM_FILEPAGES); -+ set_pte_at(mm, address_m, pte_m, entry_m); -+ update_mmu_cache(vma_m, address_m, pte_m); -+out: -+ if (ptl != ptl_m) -+ spin_unlock(ptl_m); -+ pte_unmap(pte_m); -+} -+ -+static void pax_mirror_pfn_pte(struct vm_area_struct *vma, unsigned long address, unsigned long pfn_m, spinlock_t *ptl) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ unsigned long address_m; -+ spinlock_t *ptl_m; -+ struct vm_area_struct *vma_m; -+ pmd_t *pmd_m; -+ pte_t *pte_m, entry_m; -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m); -+ pte_m = pte_offset_map(pmd_m, address_m); -+ ptl_m = pte_lockptr(mm, pmd_m); -+ if (ptl != ptl_m) { -+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING); -+ if (!pte_none(*pte_m)) -+ goto out; -+ } -+ -+ entry_m = pfn_pte(pfn_m, vma_m->vm_page_prot); -+ set_pte_at(mm, address_m, pte_m, entry_m); -+out: -+ if (ptl != ptl_m) -+ spin_unlock(ptl_m); -+ pte_unmap(pte_m); -+} -+ -+static void pax_mirror_pte(struct vm_area_struct *vma, unsigned long address, pte_t *pte, pmd_t *pmd, spinlock_t *ptl) -+{ -+ struct page *page_m; -+ pte_t entry; -+ -+ if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC)) -+ goto out; -+ -+ entry = *pte; -+ page_m = vm_normal_page(vma, address, entry); -+ if (!page_m) -+ pax_mirror_pfn_pte(vma, address, pte_pfn(entry), ptl); -+ else if (PageAnon(page_m)) { -+ if (pax_find_mirror_vma(vma)) { -+ pte_unmap_unlock(pte, ptl); -+ lock_page(page_m); -+ pte = pte_offset_map_lock(vma->vm_mm, pmd, address, &ptl); -+ if (pte_same(entry, *pte)) -+ pax_mirror_anon_pte(vma, address, page_m, ptl); -+ else -+ unlock_page(page_m); -+ } -+ } else -+ pax_mirror_file_pte(vma, address, page_m, ptl); -+ -+out: -+ pte_unmap_unlock(pte, ptl); -+} -+#endif -+ - /* - * Handle the case of a page which we actually need to copy to a new page. - * -@@ -2093,6 +2309,12 @@ static int wp_page_copy(struct mm_struct *mm, struct vm_area_struct *vma, - */ - page_table = pte_offset_map_lock(mm, pmd, address, &ptl); - if (likely(pte_same(*page_table, orig_pte))) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ BUG_ON(!trylock_page(new_page)); -+#endif -+ - if (old_page) { - if (!PageAnon(old_page)) { - dec_mm_counter_fast(mm, MM_FILEPAGES); -@@ -2147,6 +2369,10 @@ static int wp_page_copy(struct mm_struct *mm, struct vm_area_struct *vma, - page_remove_rmap(old_page); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_anon_pte(vma, address, new_page, ptl); -+#endif -+ - /* Free the old page.. */ - new_page = old_page; - page_copied = 1; -@@ -2578,6 +2804,11 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, - swap_free(entry); - if (vm_swap_full() || (vma->vm_flags & VM_LOCKED) || PageMlocked(page)) - try_to_free_swap(page); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((flags & FAULT_FLAG_WRITE) || !pax_find_mirror_vma(vma)) -+#endif -+ - unlock_page(page); - if (page != swapcache) { - /* -@@ -2601,6 +2832,11 @@ static int do_swap_page(struct mm_struct *mm, struct vm_area_struct *vma, - - /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, address, page_table); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_anon_pte(vma, address, page, ptl); -+#endif -+ - unlock: - pte_unmap_unlock(page_table, ptl); - out: -@@ -2620,40 +2856,6 @@ out_release: - } - - /* -- * This is like a special single-page "expand_{down|up}wards()", -- * except we must first make sure that 'address{-|+}PAGE_SIZE' -- * doesn't hit another vma. -- */ --static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address) --{ -- address &= PAGE_MASK; -- if ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) { -- struct vm_area_struct *prev = vma->vm_prev; -- -- /* -- * Is there a mapping abutting this one below? -- * -- * That's only ok if it's the same stack mapping -- * that has gotten split.. -- */ -- if (prev && prev->vm_end == address) -- return prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM; -- -- return expand_downwards(vma, address - PAGE_SIZE); -- } -- if ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) { -- struct vm_area_struct *next = vma->vm_next; -- -- /* As VM_GROWSDOWN but s/below/above/ */ -- if (next && next->vm_start == address + PAGE_SIZE) -- return next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM; -- -- return expand_upwards(vma, address + PAGE_SIZE); -- } -- return 0; --} -- --/* - * We enter with non-exclusive mmap_sem (to exclude vma changes, - * but allow concurrent faults), and pte mapped but not yet locked. - * We return with mmap_sem still held, but pte unmapped and unlocked. -@@ -2663,31 +2865,29 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, - unsigned int flags) - { - struct mem_cgroup *memcg; -- struct page *page; -+ struct page *page = NULL; - spinlock_t *ptl; - pte_t entry; - -- pte_unmap(page_table); -- - /* File mapping without ->vm_ops ? */ -- if (vma->vm_flags & VM_SHARED) -+ if (vma->vm_flags & VM_SHARED) { -+ pte_unmap(page_table); - return VM_FAULT_SIGBUS; -+ } - -- /* Check if we need to add a guard page to the stack */ -- if (check_stack_guard_page(vma, address) < 0) -- return VM_FAULT_SIGSEGV; -- -- /* Use the zero-page for reads */ - if (!(flags & FAULT_FLAG_WRITE) && !mm_forbids_zeropage(mm)) { - entry = pte_mkspecial(pfn_pte(my_zero_pfn(address), - vma->vm_page_prot)); -- page_table = pte_offset_map_lock(mm, pmd, address, &ptl); -+ ptl = pte_lockptr(mm, pmd); -+ spin_lock(ptl); - if (!pte_none(*page_table)) - goto unlock; - goto setpte; - } - - /* Allocate our own private page. */ -+ pte_unmap(page_table); -+ - if (unlikely(anon_vma_prepare(vma))) - goto oom; - page = alloc_zeroed_user_highpage_movable(vma, address); -@@ -2711,6 +2911,11 @@ static int do_anonymous_page(struct mm_struct *mm, struct vm_area_struct *vma, - if (!pte_none(*page_table)) - goto release; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ BUG_ON(!trylock_page(page)); -+#endif -+ - inc_mm_counter_fast(mm, MM_ANONPAGES); - page_add_new_anon_rmap(page, vma, address); - mem_cgroup_commit_charge(page, memcg, false); -@@ -2720,6 +2925,12 @@ setpte: - - /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, address, page_table); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (page) -+ pax_mirror_anon_pte(vma, address, page, ptl); -+#endif -+ - unlock: - pte_unmap_unlock(page_table, ptl); - return 0; -@@ -2952,6 +3163,11 @@ static int do_read_fault(struct mm_struct *mm, struct vm_area_struct *vma, - return ret; - } - do_set_pte(vma, address, fault_page, pte, false, false); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_file_pte(vma, address, fault_page, ptl); -+#endif -+ - unlock_page(fault_page); - unlock_out: - pte_unmap_unlock(pte, ptl); -@@ -3003,7 +3219,18 @@ static int do_cow_fault(struct mm_struct *mm, struct vm_area_struct *vma, - } - goto uncharge_out; - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ BUG_ON(!trylock_page(new_page)); -+#endif -+ - do_set_pte(vma, address, new_page, pte, true, true); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_anon_pte(vma, address, new_page, ptl); -+#endif -+ - mem_cgroup_commit_charge(new_page, memcg, false); - lru_cache_add_active_or_unevictable(new_page, vma); - pte_unmap_unlock(pte, ptl); -@@ -3061,6 +3288,11 @@ static int do_shared_fault(struct mm_struct *mm, struct vm_area_struct *vma, - return ret; - } - do_set_pte(vma, address, fault_page, pte, true, false); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_file_pte(vma, address, fault_page, ptl); -+#endif -+ - pte_unmap_unlock(pte, ptl); - - if (set_page_dirty(fault_page)) -@@ -3286,6 +3518,12 @@ static int handle_pte_fault(struct mm_struct *mm, - if (flags & FAULT_FLAG_WRITE) - flush_tlb_fix_spurious_fault(vma, address); - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_pte(vma, address, pte, pmd, ptl); -+ return 0; -+#endif -+ - unlock: - pte_unmap_unlock(pte, ptl); - return 0; -@@ -3305,9 +3543,41 @@ static int __handle_mm_fault(struct mm_struct *mm, struct vm_area_struct *vma, - pmd_t *pmd; - pte_t *pte; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - if (unlikely(is_vm_hugetlb_page(vma))) - return hugetlb_fault(mm, vma, address, flags); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ unsigned long address_m; -+ pgd_t *pgd_m; -+ pud_t *pud_m; -+ pmd_t *pmd_m; -+ -+ if (vma->vm_start > vma_m->vm_start) { -+ address_m = address; -+ address -= SEGMEXEC_TASK_SIZE; -+ vma = vma_m; -+ } else -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ -+ pgd_m = pgd_offset(mm, address_m); -+ pud_m = pud_alloc(mm, pgd_m, address_m); -+ if (!pud_m) -+ return VM_FAULT_OOM; -+ pmd_m = pmd_alloc(mm, pud_m, address_m); -+ if (!pmd_m) -+ return VM_FAULT_OOM; -+ if (!pmd_present(*pmd_m) && __pte_alloc(mm, vma_m, pmd_m, address_m)) -+ return VM_FAULT_OOM; -+ pax_unmap_mirror_pte(vma_m, address_m, pmd_m); -+ } -+#endif -+ - pgd = pgd_offset(mm, address); - pud = pud_alloc(mm, pgd, address); - if (!pud) -@@ -3442,6 +3712,23 @@ int __pud_alloc(struct mm_struct *mm, pgd_t *pgd, unsigned long address) - spin_unlock(&mm->page_table_lock); - return 0; - } -+ -+int __pud_alloc_kernel(struct mm_struct *mm, pgd_t *pgd, unsigned long address) -+{ -+ pud_t *new = pud_alloc_one(mm, address); -+ if (!new) -+ return -ENOMEM; -+ -+ smp_wmb(); /* See comment in __pte_alloc */ -+ -+ spin_lock(&mm->page_table_lock); -+ if (pgd_present(*pgd)) /* Another has populated it */ -+ pud_free(mm, new); -+ else -+ pgd_populate_kernel(mm, pgd, new); -+ spin_unlock(&mm->page_table_lock); -+ return 0; -+} - #endif /* __PAGETABLE_PUD_FOLDED */ - - #ifndef __PAGETABLE_PMD_FOLDED -@@ -3474,6 +3761,32 @@ int __pmd_alloc(struct mm_struct *mm, pud_t *pud, unsigned long address) - spin_unlock(&mm->page_table_lock); - return 0; - } -+ -+int __pmd_alloc_kernel(struct mm_struct *mm, pud_t *pud, unsigned long address) -+{ -+ pmd_t *new = pmd_alloc_one(mm, address); -+ if (!new) -+ return -ENOMEM; -+ -+ smp_wmb(); /* See comment in __pte_alloc */ -+ -+ spin_lock(&mm->page_table_lock); -+#ifndef __ARCH_HAS_4LEVEL_HACK -+ if (!pud_present(*pud)) { -+ mm_inc_nr_pmds(mm); -+ pud_populate_kernel(mm, pud, new); -+ } else /* Another has populated it */ -+ pmd_free(mm, new); -+#else -+ if (!pgd_present(*pud)) { -+ mm_inc_nr_pmds(mm); -+ pgd_populate_kernel(mm, pud, new); -+ } else /* Another has populated it */ -+ pmd_free(mm, new); -+#endif /* __ARCH_HAS_4LEVEL_HACK */ -+ spin_unlock(&mm->page_table_lock); -+ return 0; -+} - #endif /* __PAGETABLE_PMD_FOLDED */ - - static int __follow_pte(struct mm_struct *mm, unsigned long address, -@@ -3583,8 +3896,8 @@ out: - return ret; - } - --int generic_access_phys(struct vm_area_struct *vma, unsigned long addr, -- void *buf, int len, int write) -+ssize_t generic_access_phys(struct vm_area_struct *vma, unsigned long addr, -+ void *buf, size_t len, int write) - { - resource_size_t phys_addr; - unsigned long prot = 0; -@@ -3610,8 +3923,8 @@ EXPORT_SYMBOL_GPL(generic_access_phys); - * Access another process' address space as given in mm. If non-NULL, use the - * given task for page fault accounting. - */ --static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, -- unsigned long addr, void *buf, int len, int write) -+static ssize_t __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, -+ unsigned long addr, void *buf, size_t len, int write) - { - struct vm_area_struct *vma; - void *old_buf = buf; -@@ -3619,7 +3932,7 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, - down_read(&mm->mmap_sem); - /* ignore errors, just check how much was successfully transferred */ - while (len) { -- int bytes, ret, offset; -+ ssize_t bytes, ret, offset; - void *maddr; - struct page *page = NULL; - -@@ -3680,8 +3993,8 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, - * - * The caller must hold a reference on @mm. - */ --int access_remote_vm(struct mm_struct *mm, unsigned long addr, -- void *buf, int len, int write) -+ssize_t access_remote_vm(struct mm_struct *mm, unsigned long addr, -+ void *buf, size_t len, int write) - { - return __access_remote_vm(NULL, mm, addr, buf, len, write); - } -@@ -3691,11 +4004,11 @@ int access_remote_vm(struct mm_struct *mm, unsigned long addr, - * Source/target buffer must be kernel space, - * Do not walk the page table directly, use get_user_pages - */ --int access_process_vm(struct task_struct *tsk, unsigned long addr, -- void *buf, int len, int write) -+ssize_t access_process_vm(struct task_struct *tsk, unsigned long addr, -+ void *buf, size_t len, int write) - { - struct mm_struct *mm; -- int ret; -+ ssize_t ret; - - mm = get_task_mm(tsk); - if (!mm) -diff --git a/mm/mempolicy.c b/mm/mempolicy.c -index 99d4c1d..a577817 100644 ---- a/mm/mempolicy.c -+++ b/mm/mempolicy.c -@@ -703,6 +703,10 @@ static int mbind_range(struct mm_struct *mm, unsigned long start, - unsigned long vmstart; - unsigned long vmend; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - vma = find_vma(mm, start); - if (!vma || vma->vm_start > start) - return -EFAULT; -@@ -746,6 +750,16 @@ static int mbind_range(struct mm_struct *mm, unsigned long start, - err = vma_replace_policy(vma, new_pol); - if (err) - goto out; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ err = vma_replace_policy(vma_m, new_pol); -+ if (err) -+ goto out; -+ } -+#endif -+ - } - - out: -@@ -1161,6 +1175,17 @@ static long do_mbind(unsigned long start, unsigned long len, - - if (end < start) - return -EINVAL; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (end > SEGMEXEC_TASK_SIZE) -+ return -EINVAL; -+ } else -+#endif -+ -+ if (end > TASK_SIZE) -+ return -EINVAL; -+ - if (end == start) - return 0; - -@@ -1386,8 +1411,7 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode, - */ - tcred = __task_cred(task); - if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) && -- !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) && -- !capable(CAP_SYS_NICE)) { -+ !uid_eq(cred->uid, tcred->suid) && !capable(CAP_SYS_NICE)) { - rcu_read_unlock(); - err = -EPERM; - goto out_put; -@@ -1418,6 +1442,15 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pid, unsigned long, maxnode, - goto out; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (mm != current->mm && -+ (mm->pax_flags & MF_PAX_RANDMMAP || mm->pax_flags & MF_PAX_SEGMEXEC)) { -+ mmput(mm); -+ err = -EPERM; -+ goto out; -+ } -+#endif -+ - err = do_migrate_pages(mm, old, new, - capable(CAP_SYS_NICE) ? MPOL_MF_MOVE_ALL : MPOL_MF_MOVE); - -diff --git a/mm/migrate.c b/mm/migrate.c -index f53838f..a26fa94 100644 ---- a/mm/migrate.c -+++ b/mm/migrate.c -@@ -1484,8 +1484,7 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, unsigned long, nr_pages, - */ - tcred = __task_cred(task); - if (!uid_eq(cred->euid, tcred->suid) && !uid_eq(cred->euid, tcred->uid) && -- !uid_eq(cred->uid, tcred->suid) && !uid_eq(cred->uid, tcred->uid) && -- !capable(CAP_SYS_NICE)) { -+ !uid_eq(cred->uid, tcred->suid) && !capable(CAP_SYS_NICE)) { - rcu_read_unlock(); - err = -EPERM; - goto out; -diff --git a/mm/mlock.c b/mm/mlock.c -index 6fd2cf1..cbae765 100644 ---- a/mm/mlock.c -+++ b/mm/mlock.c -@@ -14,6 +14,7 @@ - #include <linux/pagevec.h> - #include <linux/mempolicy.h> - #include <linux/syscalls.h> -+#include <linux/security.h> - #include <linux/sched.h> - #include <linux/export.h> - #include <linux/rmap.h> -@@ -557,7 +558,7 @@ static int do_mlock(unsigned long start, size_t len, int on) - { - unsigned long nstart, end, tmp; - struct vm_area_struct * vma, * prev; -- int error; -+ int error = 0; - - VM_BUG_ON(start & ~PAGE_MASK); - VM_BUG_ON(len != PAGE_ALIGN(len)); -@@ -566,6 +567,9 @@ static int do_mlock(unsigned long start, size_t len, int on) - return -EINVAL; - if (end == start) - return 0; -+ if (end > TASK_SIZE) -+ return -EINVAL; -+ - vma = find_vma(current->mm, start); - if (!vma || vma->vm_start > start) - return -ENOMEM; -@@ -577,6 +581,11 @@ static int do_mlock(unsigned long start, size_t len, int on) - for (nstart = start ; ; ) { - vm_flags_t newflags; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) -+ break; -+#endif -+ - /* Here we know that vma->vm_start <= nstart < vma->vm_end. */ - - newflags = vma->vm_flags & ~VM_LOCKED; -@@ -627,6 +636,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, start, size_t, len) - locked += current->mm->locked_vm; - - /* check against resource limits */ -+ gr_learn_resource(current, RLIMIT_MEMLOCK, (current->mm->locked_vm << PAGE_SHIFT) + len, 1); - if ((locked <= lock_limit) || capable(CAP_IPC_LOCK)) - error = do_mlock(start, len, 1); - -@@ -668,6 +678,11 @@ static int do_mlockall(int flags) - for (vma = current->mm->mmap; vma ; vma = prev->vm_next) { - vm_flags_t newflags; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) -+ break; -+#endif -+ - newflags = vma->vm_flags & ~VM_LOCKED; - if (flags & MCL_CURRENT) - newflags |= VM_LOCKED; -@@ -699,8 +714,10 @@ SYSCALL_DEFINE1(mlockall, int, flags) - lock_limit >>= PAGE_SHIFT; - - ret = -ENOMEM; -+ -+ gr_learn_resource(current, RLIMIT_MEMLOCK, current->mm->total_vm << PAGE_SHIFT, 1); -+ - down_write(&current->mm->mmap_sem); -- - if (!(flags & MCL_CURRENT) || (current->mm->total_vm <= lock_limit) || - capable(CAP_IPC_LOCK)) - ret = do_mlockall(flags); -diff --git a/mm/mm_init.c b/mm/mm_init.c -index 5f420f7..dd42fb1b 100644 ---- a/mm/mm_init.c -+++ b/mm/mm_init.c -@@ -177,7 +177,7 @@ static int __meminit mm_compute_batch_notifier(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block compute_batch_nb __meminitdata = { -+static struct notifier_block compute_batch_nb __meminitconst = { - .notifier_call = mm_compute_batch_notifier, - .priority = IPC_CALLBACK_PRI, /* use lowest priority */ - }; -diff --git a/mm/mmap.c b/mm/mmap.c -index bb50cac..6d50a9f 100644 ---- a/mm/mmap.c -+++ b/mm/mmap.c -@@ -41,6 +41,7 @@ - #include <linux/notifier.h> - #include <linux/memory.h> - #include <linux/printk.h> -+#include <linux/random.h> - - #include <asm/uaccess.h> - #include <asm/cacheflush.h> -@@ -57,6 +58,16 @@ - #define arch_rebalance_pgtables(addr, len) (addr) - #endif - -+static inline void verify_mm_writelocked(struct mm_struct *mm) -+{ -+#if defined(CONFIG_DEBUG_VM) || defined(CONFIG_PAX) -+ if (unlikely(down_read_trylock(&mm->mmap_sem))) { -+ up_read(&mm->mmap_sem); -+ BUG(); -+ } -+#endif -+} -+ - static void unmap_region(struct mm_struct *mm, - struct vm_area_struct *vma, struct vm_area_struct *prev, - unsigned long start, unsigned long end); -@@ -76,16 +87,25 @@ static void unmap_region(struct mm_struct *mm, - * x: (no) no x: (no) yes x: (no) yes x: (yes) yes - * - */ --pgprot_t protection_map[16] = { -+pgprot_t protection_map[16] __read_only = { - __P000, __P001, __P010, __P011, __P100, __P101, __P110, __P111, - __S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111 - }; - --pgprot_t vm_get_page_prot(unsigned long vm_flags) -+pgprot_t vm_get_page_prot(vm_flags_t vm_flags) - { -- return __pgprot(pgprot_val(protection_map[vm_flags & -+ pgprot_t prot = __pgprot(pgprot_val(protection_map[vm_flags & - (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) | - pgprot_val(arch_vm_get_page_prot(vm_flags))); -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+ if (!(__supported_pte_mask & _PAGE_NX) && -+ (vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC && -+ (vm_flags & (VM_READ | VM_WRITE))) -+ prot = __pgprot(pte_val(pte_exprotect(__pte(pgprot_val(prot))))); -+#endif -+ -+ return prot; - } - EXPORT_SYMBOL(vm_get_page_prot); - -@@ -114,6 +134,7 @@ unsigned long sysctl_overcommit_kbytes __read_mostly; - int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT; - unsigned long sysctl_user_reserve_kbytes __read_mostly = 1UL << 17; /* 128MB */ - unsigned long sysctl_admin_reserve_kbytes __read_mostly = 1UL << 13; /* 8MB */ -+unsigned long sysctl_heap_stack_gap __read_mostly = 64*1024; - /* - * Make sure vm_committed_as in one cacheline and not cacheline shared with - * other variables. It can be updated by several CPUs frequently. -@@ -271,6 +292,7 @@ static struct vm_area_struct *remove_vma(struct vm_area_struct *vma) - struct vm_area_struct *next = vma->vm_next; - - might_sleep(); -+ BUG_ON(vma->vm_mirror); - if (vma->vm_ops && vma->vm_ops->close) - vma->vm_ops->close(vma); - if (vma->vm_file) -@@ -284,6 +306,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len); - - SYSCALL_DEFINE1(brk, unsigned long, brk) - { -+ unsigned long rlim; - unsigned long retval; - unsigned long newbrk, oldbrk; - struct mm_struct *mm = current->mm; -@@ -314,7 +337,13 @@ SYSCALL_DEFINE1(brk, unsigned long, brk) - * segment grow beyond its set limit the in case where the limit is - * not page aligned -Ram Gupta - */ -- if (check_data_rlimit(rlimit(RLIMIT_DATA), brk, mm->start_brk, -+ rlim = rlimit(RLIMIT_DATA); -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ /* force a minimum 16MB brk heap on setuid/setgid binaries */ -+ if (rlim < PAGE_SIZE && (get_dumpable(mm) != SUID_DUMP_USER) && gr_is_global_nonroot(current_uid())) -+ rlim = 4096 * PAGE_SIZE; -+#endif -+ if (check_data_rlimit(rlim, brk, mm->start_brk, - mm->end_data, mm->start_data)) - goto out; - -@@ -967,6 +996,12 @@ static int - can_vma_merge_before(struct vm_area_struct *vma, unsigned long vm_flags, - struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_start == SEGMEXEC_TASK_SIZE) -+ return 0; -+#endif -+ - if (is_mergeable_vma(vma, file, vm_flags) && - is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) { - if (vma->vm_pgoff == vm_pgoff) -@@ -986,6 +1021,12 @@ static int - can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags, - struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end == SEGMEXEC_TASK_SIZE) -+ return 0; -+#endif -+ - if (is_mergeable_vma(vma, file, vm_flags) && - is_mergeable_anon_vma(anon_vma, vma->anon_vma, vma)) { - pgoff_t vm_pglen; -@@ -1035,6 +1076,13 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm, - struct vm_area_struct *area, *next; - int err; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE, end_m = end + SEGMEXEC_TASK_SIZE; -+ struct vm_area_struct *area_m = NULL, *next_m = NULL, *prev_m = NULL; -+ -+ BUG_ON((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE < end); -+#endif -+ - /* - * We later require that vma->vm_flags == vm_flags, - * so this tests vma->vm_flags & VM_SPECIAL, too. -@@ -1050,6 +1098,15 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm, - if (next && next->vm_end == end) /* cases 6, 7, 8 */ - next = next->vm_next; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (prev) -+ prev_m = pax_find_mirror_vma(prev); -+ if (area) -+ area_m = pax_find_mirror_vma(area); -+ if (next) -+ next_m = pax_find_mirror_vma(next); -+#endif -+ - /* - * Can it merge with the predecessor? - */ -@@ -1069,9 +1126,24 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm, - /* cases 1, 6 */ - err = vma_adjust(prev, prev->vm_start, - next->vm_end, prev->vm_pgoff, NULL); -- } else /* cases 2, 5, 7 */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && prev_m) -+ err = vma_adjust(prev_m, prev_m->vm_start, -+ next_m->vm_end, prev_m->vm_pgoff, NULL); -+#endif -+ -+ } else { /* cases 2, 5, 7 */ - err = vma_adjust(prev, prev->vm_start, - end, prev->vm_pgoff, NULL); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && prev_m) -+ err = vma_adjust(prev_m, prev_m->vm_start, -+ end_m, prev_m->vm_pgoff, NULL); -+#endif -+ -+ } - if (err) - return NULL; - khugepaged_enter_vma_merge(prev, vm_flags); -@@ -1085,12 +1157,27 @@ struct vm_area_struct *vma_merge(struct mm_struct *mm, - mpol_equal(policy, vma_policy(next)) && - can_vma_merge_before(next, vm_flags, - anon_vma, file, pgoff+pglen)) { -- if (prev && addr < prev->vm_end) /* case 4 */ -+ if (prev && addr < prev->vm_end) { /* case 4 */ - err = vma_adjust(prev, prev->vm_start, - addr, prev->vm_pgoff, NULL); -- else /* cases 3, 8 */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && prev_m) -+ err = vma_adjust(prev_m, prev_m->vm_start, -+ addr_m, prev_m->vm_pgoff, NULL); -+#endif -+ -+ } else { /* cases 3, 8 */ - err = vma_adjust(area, addr, next->vm_end, - next->vm_pgoff - pglen, NULL); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && area_m) -+ err = vma_adjust(area_m, addr_m, next_m->vm_end, -+ next_m->vm_pgoff - pglen, NULL); -+#endif -+ -+ } - if (err) - return NULL; - khugepaged_enter_vma_merge(area, vm_flags); -@@ -1199,8 +1286,10 @@ none: - void vm_stat_account(struct mm_struct *mm, unsigned long flags, - struct file *file, long pages) - { -- const unsigned long stack_flags -- = VM_STACK_FLAGS & (VM_GROWSUP|VM_GROWSDOWN); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP) || (flags & (VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC))) -+#endif - - mm->total_vm += pages; - -@@ -1208,7 +1297,7 @@ void vm_stat_account(struct mm_struct *mm, unsigned long flags, - mm->shared_vm += pages; - if ((flags & (VM_EXEC|VM_WRITE)) == VM_EXEC) - mm->exec_vm += pages; -- } else if (flags & stack_flags) -+ } else if (flags & (VM_GROWSUP|VM_GROWSDOWN)) - mm->stack_vm += pages; - } - #endif /* CONFIG_PROC_FS */ -@@ -1238,6 +1327,7 @@ static inline int mlock_future_check(struct mm_struct *mm, - locked += mm->locked_vm; - lock_limit = rlimit(RLIMIT_MEMLOCK); - lock_limit >>= PAGE_SHIFT; -+ gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1); - if (locked > lock_limit && !capable(CAP_IPC_LOCK)) - return -EAGAIN; - } -@@ -1264,7 +1354,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, - * (the exception is when the underlying filesystem is noexec - * mounted, in which case we dont add PROT_EXEC.) - */ -- if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC)) -+ if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC)) - if (!(file && (file->f_path.mnt->mnt_flags & MNT_NOEXEC))) - prot |= PROT_EXEC; - -@@ -1290,7 +1380,7 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, - /* Obtain the address to map to. we verify (or select) it and ensure - * that it represents a valid section of the address space. - */ -- addr = get_unmapped_area(file, addr, len, pgoff, flags); -+ addr = get_unmapped_area(file, addr, len, pgoff, flags | ((prot & PROT_EXEC) ? MAP_EXECUTABLE : 0)); - if (addr & ~PAGE_MASK) - return addr; - -@@ -1301,6 +1391,43 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, - vm_flags = calc_vm_prot_bits(prot) | calc_vm_flag_bits(flags) | - mm->def_flags | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC; - -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) { -+ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (file && !pgoff && (vm_flags & VM_EXEC) && mm->binfmt && -+ mm->binfmt->handle_mmap) -+ mm->binfmt->handle_mmap(file); -+#endif -+ -+#ifndef CONFIG_PAX_MPROTECT_COMPAT -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC)) { -+ gr_log_rwxmmap(file); -+ -+#ifdef CONFIG_PAX_EMUPLT -+ vm_flags &= ~VM_EXEC; -+#else -+ return -EPERM; -+#endif -+ -+ } -+ -+ if (!(vm_flags & VM_EXEC)) -+ vm_flags &= ~VM_MAYEXEC; -+#else -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC) -+ vm_flags &= ~(VM_EXEC | VM_MAYEXEC); -+#endif -+ else -+ vm_flags &= ~VM_MAYWRITE; -+ } -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && file) -+ vm_flags &= ~VM_PAGEEXEC; -+#endif -+ - if (flags & MAP_LOCKED) - if (!can_do_mlock()) - return -EPERM; -@@ -1388,6 +1515,9 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, - vm_flags |= VM_NORESERVE; - } - -+ if (!gr_acl_handle_mmap(file, prot)) -+ return -EACCES; -+ - addr = mmap_region(file, addr, len, vm_flags, pgoff); - if (!IS_ERR_VALUE(addr) && - ((vm_flags & VM_LOCKED) || -@@ -1481,7 +1611,7 @@ int vma_wants_writenotify(struct vm_area_struct *vma) - vm_flags_t vm_flags = vma->vm_flags; - - /* If it was private or non-writable, the write bit is already clear */ -- if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED))) -+ if ((vm_flags & (VM_WRITE|VM_SHARED)) != (VM_WRITE|VM_SHARED)) - return 0; - - /* The backer wishes to know when pages are first written to? */ -@@ -1532,7 +1662,22 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - struct rb_node **rb_link, *rb_parent; - unsigned long charged = 0; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = NULL; -+#endif -+ -+ /* -+ * mm->mmap_sem is required to protect against another thread -+ * changing the mappings in case we sleep. -+ */ -+ verify_mm_writelocked(mm); -+ - /* Check against address space limit. */ -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP) || (vm_flags & (VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC))) -+#endif -+ - if (!may_expand_vm(mm, len >> PAGE_SHIFT)) { - unsigned long nr_pages; - -@@ -1555,6 +1700,7 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - &rb_parent)) { - if (do_munmap(mm, addr, len)) - return -ENOMEM; -+ BUG_ON(find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent)); - } - - /* -@@ -1586,6 +1732,16 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - goto unacct_error; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vm_flags & VM_EXEC)) { -+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ if (!vma_m) { -+ error = -ENOMEM; -+ goto free_vma; -+ } -+ } -+#endif -+ - vma->vm_mm = mm; - vma->vm_start = addr; - vma->vm_end = addr + len; -@@ -1616,6 +1772,13 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - if (error) - goto unmap_and_free_vma; - -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && !(vma->vm_flags & VM_SPECIAL)) { -+ vma->vm_flags |= VM_PAGEEXEC; -+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); -+ } -+#endif -+ - /* Can addr have changed?? - * - * Answer: Yes, several device drivers can do it in their -@@ -1634,6 +1797,12 @@ unsigned long mmap_region(struct file *file, unsigned long addr, - } - - vma_link(mm, vma, prev, rb_link, rb_parent); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) -+ BUG_ON(pax_mirror_vma(vma_m, vma)); -+#endif -+ - /* Once vma denies write, undo our temporary denial count */ - if (file) { - if (vm_flags & VM_SHARED) -@@ -1646,6 +1815,7 @@ out: - perf_event_mmap(vma); - - vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT); -+ track_exec_limit(mm, addr, addr + len, vm_flags); - if (vm_flags & VM_LOCKED) { - if (!((vm_flags & VM_SPECIAL) || is_vm_hugetlb_page(vma) || - vma == get_gate_vma(current->mm))) -@@ -1683,6 +1853,12 @@ allow_write_and_free_vma: - if (vm_flags & VM_DENYWRITE) - allow_write_access(file); - free_vma: -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) -+ kmem_cache_free(vm_area_cachep, vma_m); -+#endif -+ - kmem_cache_free(vm_area_cachep, vma); - unacct_error: - if (charged) -@@ -1690,7 +1866,63 @@ unacct_error: - return error; - } - --unsigned long unmapped_area(struct vm_unmapped_area_info *info) -+#ifdef CONFIG_GRKERNSEC_RAND_THREADSTACK -+unsigned long gr_rand_threadstack_offset(const struct mm_struct *mm, const struct file *filp, unsigned long flags) -+{ -+ if ((mm->pax_flags & MF_PAX_RANDMMAP) && !filp && (flags & MAP_STACK)) -+ return ((prandom_u32() & 0xFF) + 1) << PAGE_SHIFT; -+ -+ return 0; -+} -+#endif -+ -+bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len, unsigned long offset) -+{ -+ if (!vma) { -+#ifdef CONFIG_STACK_GROWSUP -+ if (addr > sysctl_heap_stack_gap) -+ vma = find_vma(current->mm, addr - sysctl_heap_stack_gap); -+ else -+ vma = find_vma(current->mm, 0); -+ if (vma && (vma->vm_flags & VM_GROWSUP)) -+ return false; -+#endif -+ return true; -+ } -+ -+ if (addr + len > vma->vm_start) -+ return false; -+ -+ if (vma->vm_flags & VM_GROWSDOWN) -+ return sysctl_heap_stack_gap <= vma->vm_start - addr - len; -+#ifdef CONFIG_STACK_GROWSUP -+ else if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP)) -+ return addr - vma->vm_prev->vm_end >= sysctl_heap_stack_gap; -+#endif -+ else if (offset) -+ return offset <= vma->vm_start - addr - len; -+ -+ return true; -+} -+ -+unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len, unsigned long offset) -+{ -+ if (vma->vm_start < len) -+ return -ENOMEM; -+ -+ if (!(vma->vm_flags & VM_GROWSDOWN)) { -+ if (offset <= vma->vm_start - len) -+ return vma->vm_start - len - offset; -+ else -+ return -ENOMEM; -+ } -+ -+ if (sysctl_heap_stack_gap <= vma->vm_start - len) -+ return vma->vm_start - len - sysctl_heap_stack_gap; -+ return -ENOMEM; -+} -+ -+unsigned long unmapped_area(const struct vm_unmapped_area_info *info) - { - /* - * We implement the search by looking for an rbtree node that -@@ -1738,11 +1970,29 @@ unsigned long unmapped_area(struct vm_unmapped_area_info *info) - } - } - -- gap_start = vma->vm_prev ? vma->vm_prev->vm_end : 0; -+ gap_start = vma->vm_prev ? vma->vm_prev->vm_end: 0; - check_current: - /* Check if current node has a suitable gap */ - if (gap_start > high_limit) - return -ENOMEM; -+ -+ if (gap_end - gap_start > info->threadstack_offset) -+ gap_start += info->threadstack_offset; -+ else -+ gap_start = gap_end; -+ -+ if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP)) { -+ if (gap_end - gap_start > sysctl_heap_stack_gap) -+ gap_start += sysctl_heap_stack_gap; -+ else -+ gap_start = gap_end; -+ } -+ if (vma->vm_flags & VM_GROWSDOWN) { -+ if (gap_end - gap_start > sysctl_heap_stack_gap) -+ gap_end -= sysctl_heap_stack_gap; -+ else -+ gap_end = gap_start; -+ } - if (gap_end >= low_limit && gap_end - gap_start >= length) - goto found; - -@@ -1792,7 +2042,7 @@ found: - return gap_start; - } - --unsigned long unmapped_area_topdown(struct vm_unmapped_area_info *info) -+unsigned long unmapped_area_topdown(const struct vm_unmapped_area_info *info) - { - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; -@@ -1846,6 +2096,24 @@ check_current: - gap_end = vma->vm_start; - if (gap_end < low_limit) - return -ENOMEM; -+ -+ if (gap_end - gap_start > info->threadstack_offset) -+ gap_end -= info->threadstack_offset; -+ else -+ gap_end = gap_start; -+ -+ if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP)) { -+ if (gap_end - gap_start > sysctl_heap_stack_gap) -+ gap_start += sysctl_heap_stack_gap; -+ else -+ gap_start = gap_end; -+ } -+ if (vma->vm_flags & VM_GROWSDOWN) { -+ if (gap_end - gap_start > sysctl_heap_stack_gap) -+ gap_end -= sysctl_heap_stack_gap; -+ else -+ gap_end = gap_start; -+ } - if (gap_start <= high_limit && gap_end - gap_start >= length) - goto found; - -@@ -1909,6 +2177,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - if (len > TASK_SIZE - mmap_min_addr) - return -ENOMEM; -@@ -1916,11 +2185,15 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - if (flags & MAP_FIXED) - return addr; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); - if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && -- (!vma || addr + len <= vma->vm_start)) -+ check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -1929,6 +2202,7 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr, - info.low_limit = mm->mmap_base; - info.high_limit = TASK_SIZE; - info.align_mask = 0; -+ info.threadstack_offset = offset; - return vm_unmapped_area(&info); - } - #endif -@@ -1947,6 +2221,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - struct mm_struct *mm = current->mm; - unsigned long addr = addr0; - struct vm_unmapped_area_info info; -+ unsigned long offset = gr_rand_threadstack_offset(mm, filp, flags); - - /* requested length too big for entire address space */ - if (len > TASK_SIZE - mmap_min_addr) -@@ -1955,12 +2230,16 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - if (flags & MAP_FIXED) - return addr; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); - if (TASK_SIZE - len >= addr && addr >= mmap_min_addr && -- (!vma || addr + len <= vma->vm_start)) -+ check_heap_stack_gap(vma, addr, len, offset)) - return addr; - } - -@@ -1969,6 +2248,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - info.low_limit = max(PAGE_SIZE, mmap_min_addr); - info.high_limit = mm->mmap_base; - info.align_mask = 0; -+ info.threadstack_offset = offset; - addr = vm_unmapped_area(&info); - - /* -@@ -1981,6 +2261,12 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, - VM_BUG_ON(addr != -ENOMEM); - info.flags = 0; - info.low_limit = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ info.low_limit += mm->delta_mmap; -+#endif -+ - info.high_limit = TASK_SIZE; - addr = vm_unmapped_area(&info); - } -@@ -2081,6 +2367,28 @@ find_vma_prev(struct mm_struct *mm, unsigned long addr, - return vma; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma) -+{ -+ struct vm_area_struct *vma_m; -+ -+ BUG_ON(!vma || vma->vm_start >= vma->vm_end); -+ if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC)) { -+ BUG_ON(vma->vm_mirror); -+ return NULL; -+ } -+ BUG_ON(vma->vm_start < SEGMEXEC_TASK_SIZE && SEGMEXEC_TASK_SIZE < vma->vm_end); -+ vma_m = vma->vm_mirror; -+ BUG_ON(!vma_m || vma_m->vm_mirror != vma); -+ BUG_ON(vma->vm_file != vma_m->vm_file); -+ BUG_ON(vma->vm_end - vma->vm_start != vma_m->vm_end - vma_m->vm_start); -+ BUG_ON(vma->vm_pgoff != vma_m->vm_pgoff); -+ BUG_ON(vma->anon_vma != vma_m->anon_vma && vma->anon_vma->root != vma_m->anon_vma->root); -+ BUG_ON((vma->vm_flags ^ vma_m->vm_flags) & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED)); -+ return vma_m; -+} -+#endif -+ - /* - * Verify that the stack growth is acceptable and - * update accounting. This is shared with both the -@@ -2098,8 +2406,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns - - /* Stack limit test */ - actual_size = size; -- if (size && (vma->vm_flags & (VM_GROWSUP | VM_GROWSDOWN))) -- actual_size -= PAGE_SIZE; -+ gr_learn_resource(current, RLIMIT_STACK, actual_size, 1); - if (actual_size > READ_ONCE(rlim[RLIMIT_STACK].rlim_cur)) - return -ENOMEM; - -@@ -2110,6 +2417,7 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns - locked = mm->locked_vm + grow; - limit = READ_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur); - limit >>= PAGE_SHIFT; -+ gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1); - if (locked > limit && !capable(CAP_IPC_LOCK)) - return -ENOMEM; - } -@@ -2139,37 +2447,48 @@ static int acct_stack_growth(struct vm_area_struct *vma, unsigned long size, uns - * PA-RISC uses this for its stack; IA64 for its Register Backing Store. - * vma is the last one with address > vma->vm_end. Have to extend vma. - */ -+#ifndef CONFIG_IA64 -+static -+#endif - int expand_upwards(struct vm_area_struct *vma, unsigned long address) - { - int error; -+ bool locknext; - - if (!(vma->vm_flags & VM_GROWSUP)) - return -EFAULT; - -+ /* Also guard against wrapping around to address 0. */ -+ if (address < PAGE_ALIGN(address+1)) -+ address = PAGE_ALIGN(address+1); -+ else -+ return -ENOMEM; -+ - /* - * We must make sure the anon_vma is allocated - * so that the anon_vma locking is not a noop. - */ - if (unlikely(anon_vma_prepare(vma))) - return -ENOMEM; -+ locknext = vma->vm_next && (vma->vm_next->vm_flags & VM_GROWSDOWN); -+ if (locknext && anon_vma_prepare(vma->vm_next)) -+ return -ENOMEM; - vma_lock_anon_vma(vma); -+ if (locknext) -+ vma_lock_anon_vma(vma->vm_next); - - /* - * vma->vm_start/vm_end cannot change under us because the caller - * is required to hold the mmap_sem in read mode. We need the -- * anon_vma lock to serialize against concurrent expand_stacks. -- * Also guard against wrapping around to address 0. -+ * anon_vma locks to serialize against concurrent expand_stacks -+ * and expand_upwards. - */ -- if (address < PAGE_ALIGN(address+4)) -- address = PAGE_ALIGN(address+4); -- else { -- vma_unlock_anon_vma(vma); -- return -ENOMEM; -- } - error = 0; - - /* Somebody else might have raced and expanded it already */ -- if (address > vma->vm_end) { -+ if (vma->vm_next && (vma->vm_next->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && vma->vm_next->vm_start - address < sysctl_heap_stack_gap) -+ error = -ENOMEM; -+ else if (address > vma->vm_end && (!locknext || vma->vm_next->vm_start >= address)) { - unsigned long size, grow; - - size = address - vma->vm_start; -@@ -2204,6 +2523,8 @@ int expand_upwards(struct vm_area_struct *vma, unsigned long address) - } - } - } -+ if (locknext) -+ vma_unlock_anon_vma(vma->vm_next); - vma_unlock_anon_vma(vma); - khugepaged_enter_vma_merge(vma, vma->vm_flags); - validate_mm(vma->vm_mm); -@@ -2218,6 +2539,8 @@ int expand_downwards(struct vm_area_struct *vma, - unsigned long address) - { - int error; -+ bool lockprev = false; -+ struct vm_area_struct *prev; - - /* - * We must make sure the anon_vma is allocated -@@ -2231,6 +2554,15 @@ int expand_downwards(struct vm_area_struct *vma, - if (error) - return error; - -+ prev = vma->vm_prev; -+#if defined(CONFIG_STACK_GROWSUP) || defined(CONFIG_IA64) -+ lockprev = prev && (prev->vm_flags & VM_GROWSUP); -+#endif -+ if (lockprev && anon_vma_prepare(prev)) -+ return -ENOMEM; -+ if (lockprev) -+ vma_lock_anon_vma(prev); -+ - vma_lock_anon_vma(vma); - - /* -@@ -2240,9 +2572,17 @@ int expand_downwards(struct vm_area_struct *vma, - */ - - /* Somebody else might have raced and expanded it already */ -- if (address < vma->vm_start) { -+ if (prev && (prev->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && address - prev->vm_end < sysctl_heap_stack_gap) -+ error = -ENOMEM; -+ else if (address < vma->vm_start && (!lockprev || prev->vm_end <= address)) { - unsigned long size, grow; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+ -+ vma_m = pax_find_mirror_vma(vma); -+#endif -+ - size = vma->vm_end - address; - grow = (vma->vm_start - address) >> PAGE_SHIFT; - -@@ -2267,13 +2607,27 @@ int expand_downwards(struct vm_area_struct *vma, - vma->vm_pgoff -= grow; - anon_vma_interval_tree_post_update_vma(vma); - vma_gap_update(vma); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) { -+ anon_vma_interval_tree_pre_update_vma(vma_m); -+ vma_m->vm_start -= grow << PAGE_SHIFT; -+ vma_m->vm_pgoff -= grow; -+ anon_vma_interval_tree_post_update_vma(vma_m); -+ vma_gap_update(vma_m); -+ } -+#endif -+ - spin_unlock(&vma->vm_mm->page_table_lock); - -+ track_exec_limit(vma->vm_mm, vma->vm_start, vma->vm_end, vma->vm_flags); - perf_event_mmap(vma); - } - } - } - vma_unlock_anon_vma(vma); -+ if (lockprev) -+ vma_unlock_anon_vma(prev); - khugepaged_enter_vma_merge(vma, vma->vm_flags); - validate_mm(vma->vm_mm); - return error; -@@ -2373,6 +2727,13 @@ static void remove_vma_list(struct mm_struct *mm, struct vm_area_struct *vma) - do { - long nrpages = vma_pages(vma); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) { -+ vma = remove_vma(vma); -+ continue; -+ } -+#endif -+ - if (vma->vm_flags & VM_ACCOUNT) - nr_accounted += nrpages; - vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages); -@@ -2417,6 +2778,16 @@ detach_vmas_to_be_unmapped(struct mm_struct *mm, struct vm_area_struct *vma, - insertion_point = (prev ? &prev->vm_next : &mm->mmap); - vma->vm_prev = NULL; - do { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma->vm_mirror) { -+ BUG_ON(!vma->vm_mirror->vm_mirror || vma->vm_mirror->vm_mirror != vma); -+ vma->vm_mirror->vm_mirror = NULL; -+ vma->vm_mirror->vm_flags &= ~VM_EXEC; -+ vma->vm_mirror = NULL; -+ } -+#endif -+ - vma_rb_erase(vma, &mm->mm_rb); - mm->map_count--; - tail_vma = vma; -@@ -2444,14 +2815,33 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - struct vm_area_struct *new; - int err = -ENOMEM; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m, *new_m = NULL; -+ unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE; -+#endif -+ - if (is_vm_hugetlb_page(vma) && (addr & - ~(huge_page_mask(hstate_vma(vma))))) - return -EINVAL; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+#endif -+ - new = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); - if (!new) - goto out_err; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) { -+ new_m = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); -+ if (!new_m) { -+ kmem_cache_free(vm_area_cachep, new); -+ goto out_err; -+ } -+ } -+#endif -+ - /* most fields are the same, copy all, and then fixup */ - *new = *vma; - -@@ -2464,6 +2854,22 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - new->vm_pgoff += ((addr - vma->vm_start) >> PAGE_SHIFT); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) { -+ *new_m = *vma_m; -+ INIT_LIST_HEAD(&new_m->anon_vma_chain); -+ new_m->vm_mirror = new; -+ new->vm_mirror = new_m; -+ -+ if (new_below) -+ new_m->vm_end = addr_m; -+ else { -+ new_m->vm_start = addr_m; -+ new_m->vm_pgoff += ((addr_m - vma_m->vm_start) >> PAGE_SHIFT); -+ } -+ } -+#endif -+ - err = vma_dup_policy(vma, new); - if (err) - goto out_free_vma; -@@ -2484,6 +2890,38 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - else - err = vma_adjust(vma, vma->vm_start, addr, vma->vm_pgoff, new); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && vma_m) { -+ struct mempolicy *pol = vma_policy(new); -+ -+ if (anon_vma_clone(new_m, vma_m)) -+ goto out_free_mpol; -+ -+ mpol_get(pol); -+ set_vma_policy(new_m, pol); -+ -+ if (new_m->vm_file) -+ get_file(new_m->vm_file); -+ -+ if (new_m->vm_ops && new_m->vm_ops->open) -+ new_m->vm_ops->open(new_m); -+ -+ if (new_below) -+ err = vma_adjust(vma_m, addr_m, vma_m->vm_end, vma_m->vm_pgoff + -+ ((addr_m - new_m->vm_start) >> PAGE_SHIFT), new_m); -+ else -+ err = vma_adjust(vma_m, vma_m->vm_start, addr_m, vma_m->vm_pgoff, new_m); -+ -+ if (err) { -+ if (new_m->vm_ops && new_m->vm_ops->close) -+ new_m->vm_ops->close(new_m); -+ if (new_m->vm_file) -+ fput(new_m->vm_file); -+ mpol_put(pol); -+ } -+ } -+#endif -+ - /* Success. */ - if (!err) - return 0; -@@ -2493,10 +2931,18 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - new->vm_ops->close(new); - if (new->vm_file) - fput(new->vm_file); -- unlink_anon_vmas(new); - out_free_mpol: - mpol_put(vma_policy(new)); - out_free_vma: -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (new_m) { -+ unlink_anon_vmas(new_m); -+ kmem_cache_free(vm_area_cachep, new_m); -+ } -+#endif -+ -+ unlink_anon_vmas(new); - kmem_cache_free(vm_area_cachep, new); - out_err: - return err; -@@ -2509,6 +2955,15 @@ static int __split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - int split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - unsigned long addr, int new_below) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) { -+ BUG_ON(vma->vm_end > SEGMEXEC_TASK_SIZE); -+ if (mm->map_count >= sysctl_max_map_count-1) -+ return -ENOMEM; -+ } else -+#endif -+ - if (mm->map_count >= sysctl_max_map_count) - return -ENOMEM; - -@@ -2520,11 +2975,30 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - * work. This now handles partial unmappings. - * Jeremy Fitzhardinge jeremy@goop.org - */ -+#ifdef CONFIG_PAX_SEGMEXEC - int do_munmap(struct mm_struct *mm, unsigned long start, size_t len) - { -+ int ret = __do_munmap(mm, start, len); -+ if (ret || !(mm->pax_flags & MF_PAX_SEGMEXEC)) -+ return ret; -+ -+ return __do_munmap(mm, start + SEGMEXEC_TASK_SIZE, len); -+} -+ -+int __do_munmap(struct mm_struct *mm, unsigned long start, size_t len) -+#else -+int do_munmap(struct mm_struct *mm, unsigned long start, size_t len) -+#endif -+{ - unsigned long end; - struct vm_area_struct *vma, *prev, *last; - -+ /* -+ * mm->mmap_sem is required to protect against another thread -+ * changing the mappings in case we sleep. -+ */ -+ verify_mm_writelocked(mm); -+ - if ((start & ~PAGE_MASK) || start > TASK_SIZE || len > TASK_SIZE-start) - return -EINVAL; - -@@ -2602,6 +3076,8 @@ int do_munmap(struct mm_struct *mm, unsigned long start, size_t len) - /* Fix up all other VM information */ - remove_vma_list(mm, vma); - -+ track_exec_limit(mm, start, end, 0UL); -+ - return 0; - } - -@@ -2610,6 +3086,13 @@ int vm_munmap(unsigned long start, size_t len) - int ret; - struct mm_struct *mm = current->mm; - -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && -+ (len > SEGMEXEC_TASK_SIZE || start > SEGMEXEC_TASK_SIZE-len)) -+ return -EINVAL; -+#endif -+ - down_write(&mm->mmap_sem); - ret = do_munmap(mm, start, len); - up_write(&mm->mmap_sem); -@@ -2656,6 +3139,11 @@ SYSCALL_DEFINE5(remap_file_pages, unsigned long, start, unsigned long, size, - down_write(&mm->mmap_sem); - vma = find_vma(mm, start); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma && (mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_MAYEXEC)) -+ goto out; -+#endif -+ - if (!vma || !(vma->vm_flags & VM_SHARED)) - goto out; - -@@ -2692,16 +3180,6 @@ out: - return ret; - } - --static inline void verify_mm_writelocked(struct mm_struct *mm) --{ --#ifdef CONFIG_DEBUG_VM -- if (unlikely(down_read_trylock(&mm->mmap_sem))) { -- WARN_ON(1); -- up_read(&mm->mmap_sem); -- } --#endif --} -- - /* - * this is really a simplified "do_mmap". it only handles - * anonymous maps. eventually we may be able to do some -@@ -2715,6 +3193,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) - struct rb_node **rb_link, *rb_parent; - pgoff_t pgoff = addr >> PAGE_SHIFT; - int error; -+ unsigned long charged; - - len = PAGE_ALIGN(len); - if (!len) -@@ -2722,10 +3201,24 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) - - flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags; - -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ flags &= ~VM_EXEC; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) -+ flags &= ~VM_MAYEXEC; -+#endif -+ -+ } -+#endif -+ - error = get_unmapped_area(NULL, addr, len, 0, MAP_FIXED); - if (error & ~PAGE_MASK) - return error; - -+ charged = len >> PAGE_SHIFT; -+ - error = mlock_future_check(mm, mm->def_flags, len); - if (error) - return error; -@@ -2743,16 +3236,17 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) - &rb_parent)) { - if (do_munmap(mm, addr, len)) - return -ENOMEM; -+ BUG_ON(find_vma_links(mm, addr, addr + len, &prev, &rb_link, &rb_parent)); - } - - /* Check against address space limits *after* clearing old maps... */ -- if (!may_expand_vm(mm, len >> PAGE_SHIFT)) -+ if (!may_expand_vm(mm, charged)) - return -ENOMEM; - - if (mm->map_count > sysctl_max_map_count) - return -ENOMEM; - -- if (security_vm_enough_memory_mm(mm, len >> PAGE_SHIFT)) -+ if (security_vm_enough_memory_mm(mm, charged)) - return -ENOMEM; - - /* Can we just expand an old private anonymous mapping? */ -@@ -2766,7 +3260,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) - */ - vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); - if (!vma) { -- vm_unacct_memory(len >> PAGE_SHIFT); -+ vm_unacct_memory(charged); - return -ENOMEM; - } - -@@ -2780,10 +3274,11 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) - vma_link(mm, vma, prev, rb_link, rb_parent); - out: - perf_event_mmap(vma); -- mm->total_vm += len >> PAGE_SHIFT; -+ mm->total_vm += charged; - if (flags & VM_LOCKED) -- mm->locked_vm += (len >> PAGE_SHIFT); -+ mm->locked_vm += charged; - vma->vm_flags |= VM_SOFTDIRTY; -+ track_exec_limit(mm, addr, addr + len, flags); - return addr; - } - -@@ -2845,6 +3340,7 @@ void exit_mmap(struct mm_struct *mm) - while (vma) { - if (vma->vm_flags & VM_ACCOUNT) - nr_accounted += vma_pages(vma); -+ vma->vm_mirror = NULL; - vma = remove_vma(vma); - } - vm_unacct_memory(nr_accounted); -@@ -2859,6 +3355,13 @@ int insert_vm_struct(struct mm_struct *mm, struct vm_area_struct *vma) - struct vm_area_struct *prev; - struct rb_node **rb_link, *rb_parent; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = NULL; -+#endif -+ -+ if (security_mmap_addr(vma->vm_start)) -+ return -EPERM; -+ - /* - * The vm_pgoff of a purely anonymous vma should be irrelevant - * until its first write fault, when page's anon_vma and index -@@ -2882,7 +3385,21 @@ int insert_vm_struct(struct mm_struct *mm, struct vm_area_struct *vma) - security_vm_enough_memory_mm(mm, vma_pages(vma))) - return -ENOMEM; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_EXEC)) { -+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ if (!vma_m) -+ return -ENOMEM; -+ } -+#endif -+ - vma_link(mm, vma, prev, rb_link, rb_parent); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) -+ BUG_ON(pax_mirror_vma(vma_m, vma)); -+#endif -+ - return 0; - } - -@@ -2901,6 +3418,8 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap, - struct rb_node **rb_link, *rb_parent; - bool faulted_in_anon_vma = true; - -+ BUG_ON(vma->vm_mirror); -+ - /* - * If anonymous vma has not yet been faulted, update new pgoff - * to match new location, to increase its chance of merging. -@@ -2965,6 +3484,39 @@ struct vm_area_struct *copy_vma(struct vm_area_struct **vmap, - return NULL; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma) -+{ -+ struct vm_area_struct *prev_m; -+ struct rb_node **rb_link_m, *rb_parent_m; -+ struct mempolicy *pol_m; -+ -+ BUG_ON(!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC)); -+ BUG_ON(vma->vm_mirror || vma_m->vm_mirror); -+ BUG_ON(!mpol_equal(vma_policy(vma), vma_policy(vma_m))); -+ *vma_m = *vma; -+ INIT_LIST_HEAD(&vma_m->anon_vma_chain); -+ if (anon_vma_clone(vma_m, vma)) -+ return -ENOMEM; -+ pol_m = vma_policy(vma_m); -+ mpol_get(pol_m); -+ set_vma_policy(vma_m, pol_m); -+ vma_m->vm_start += SEGMEXEC_TASK_SIZE; -+ vma_m->vm_end += SEGMEXEC_TASK_SIZE; -+ vma_m->vm_flags &= ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED); -+ vma_m->vm_page_prot = vm_get_page_prot(vma_m->vm_flags); -+ if (vma_m->vm_file) -+ get_file(vma_m->vm_file); -+ if (vma_m->vm_ops && vma_m->vm_ops->open) -+ vma_m->vm_ops->open(vma_m); -+ BUG_ON(find_vma_links(vma->vm_mm, vma_m->vm_start, vma_m->vm_end, &prev_m, &rb_link_m, &rb_parent_m)); -+ vma_link(vma->vm_mm, vma_m, prev_m, rb_link_m, rb_parent_m); -+ vma_m->vm_mirror = vma; -+ vma->vm_mirror = vma_m; -+ return 0; -+} -+#endif -+ - /* - * Return true if the calling process may expand its vm space by the passed - * number of pages -@@ -2976,6 +3528,7 @@ int may_expand_vm(struct mm_struct *mm, unsigned long npages) - - lim = rlimit(RLIMIT_AS) >> PAGE_SHIFT; - -+ gr_learn_resource(current, RLIMIT_AS, (cur + npages) << PAGE_SHIFT, 1); - if (cur + npages > lim) - return 0; - return 1; -@@ -3058,6 +3611,22 @@ static struct vm_area_struct *__install_special_mapping( - vma->vm_start = addr; - vma->vm_end = addr + len; - -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) { -+#ifndef CONFIG_PAX_MPROTECT_COMPAT -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC)) -+ return ERR_PTR(-EPERM); -+ if (!(vm_flags & VM_EXEC)) -+ vm_flags &= ~VM_MAYEXEC; -+#else -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC) -+ vm_flags &= ~(VM_EXEC | VM_MAYEXEC); -+#endif -+ else -+ vm_flags &= ~VM_MAYWRITE; -+ } -+#endif -+ - vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND | VM_SOFTDIRTY; - vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - -diff --git a/mm/mprotect.c b/mm/mprotect.c -index 8858483..72f2464 100644 ---- a/mm/mprotect.c -+++ b/mm/mprotect.c -@@ -24,10 +24,18 @@ - #include <linux/migrate.h> - #include <linux/perf_event.h> - #include <linux/ksm.h> -+#include <linux/sched/sysctl.h> -+ -+#ifdef CONFIG_PAX_MPROTECT -+#include <linux/elf.h> -+#include <linux/binfmts.h> -+#endif -+ - #include <asm/uaccess.h> - #include <asm/pgtable.h> - #include <asm/cacheflush.h> - #include <asm/tlbflush.h> -+#include <asm/mmu_context.h> - - /* - * For a prot_numa update we only hold mmap_sem for read so there is a -@@ -252,6 +260,48 @@ unsigned long change_protection(struct vm_area_struct *vma, unsigned long start, - return pages; - } - -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+/* called while holding the mmap semaphor for writing except stack expansion */ -+void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot) -+{ -+ unsigned long oldlimit, newlimit = 0UL; -+ -+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || (__supported_pte_mask & _PAGE_NX)) -+ return; -+ -+ spin_lock(&mm->page_table_lock); -+ oldlimit = mm->context.user_cs_limit; -+ if ((prot & VM_EXEC) && oldlimit < end) -+ /* USER_CS limit moved up */ -+ newlimit = end; -+ else if (!(prot & VM_EXEC) && start < oldlimit && oldlimit <= end) -+ /* USER_CS limit moved down */ -+ newlimit = start; -+ -+ if (newlimit) { -+ mm->context.user_cs_limit = newlimit; -+ -+#ifdef CONFIG_SMP -+ wmb(); -+ cpumask_clear(&mm->context.cpu_user_cs_mask); -+ cpumask_set_cpu(smp_processor_id(), &mm->context.cpu_user_cs_mask); -+#endif -+ -+ set_user_cs(mm->context.user_cs_base, mm->context.user_cs_limit, smp_processor_id()); -+ } -+ spin_unlock(&mm->page_table_lock); -+ if (newlimit == end) { -+ struct vm_area_struct *vma = find_vma(mm, oldlimit); -+ -+ for (; vma && vma->vm_start < end; vma = vma->vm_next) -+ if (is_vm_hugetlb_page(vma)) -+ hugetlb_change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot); -+ else -+ change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot, vma_wants_writenotify(vma), 0); -+ } -+} -+#endif -+ - int - mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev, - unsigned long start, unsigned long end, unsigned long newflags) -@@ -264,11 +314,29 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev, - int error; - int dirty_accountable = 0; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = NULL; -+ unsigned long start_m, end_m; -+ -+ start_m = start + SEGMEXEC_TASK_SIZE; -+ end_m = end + SEGMEXEC_TASK_SIZE; -+#endif -+ - if (newflags == oldflags) { - *pprev = vma; - return 0; - } - -+ if (newflags & (VM_READ | VM_WRITE | VM_EXEC)) { -+ struct vm_area_struct *prev = vma->vm_prev, *next = vma->vm_next; -+ -+ if (next && (next->vm_flags & VM_GROWSDOWN) && sysctl_heap_stack_gap > next->vm_start - end) -+ return -ENOMEM; -+ -+ if (prev && (prev->vm_flags & VM_GROWSUP) && sysctl_heap_stack_gap > start - prev->vm_end) -+ return -ENOMEM; -+ } -+ - /* - * If we make a private mapping writable we increase our commit; - * but (without finer accounting) cannot reduce our commit if we -@@ -285,6 +353,42 @@ mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev, - } - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && ((oldflags ^ newflags) & VM_EXEC)) { -+ if (start != vma->vm_start) { -+ error = split_vma(mm, vma, start, 1); -+ if (error) -+ goto fail; -+ BUG_ON(!*pprev || (*pprev)->vm_next == vma); -+ *pprev = (*pprev)->vm_next; -+ } -+ -+ if (end != vma->vm_end) { -+ error = split_vma(mm, vma, end, 0); -+ if (error) -+ goto fail; -+ } -+ -+ if (pax_find_mirror_vma(vma)) { -+ error = __do_munmap(mm, start_m, end_m - start_m); -+ if (error) -+ goto fail; -+ } else { -+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ if (!vma_m) { -+ error = -ENOMEM; -+ goto fail; -+ } -+ vma->vm_flags = newflags; -+ error = pax_mirror_vma(vma_m, vma); -+ if (error) { -+ vma->vm_flags = oldflags; -+ goto fail; -+ } -+ } -+ } -+#endif -+ - /* - * First try to merge with previous and/or next vma. - */ -@@ -315,7 +419,19 @@ success: - * vm_flags and vm_page_prot are protected by the mmap_sem - * held in write mode. - */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (newflags & VM_EXEC) && ((vma->vm_flags ^ newflags) & VM_READ)) -+ pax_find_mirror_vma(vma)->vm_flags ^= VM_READ; -+#endif -+ - vma->vm_flags = newflags; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->binfmt && mm->binfmt->handle_mprotect) -+ mm->binfmt->handle_mprotect(vma, newflags); -+#endif -+ - dirty_accountable = vma_wants_writenotify(vma); - vma_set_page_prot(vma); - -@@ -351,6 +467,17 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, - end = start + len; - if (end <= start) - return -ENOMEM; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (end > SEGMEXEC_TASK_SIZE) -+ return -EINVAL; -+ } else -+#endif -+ -+ if (end > TASK_SIZE) -+ return -EINVAL; -+ - if (!arch_validate_prot(prot)) - return -EINVAL; - -@@ -358,7 +485,7 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, - /* - * Does the application expect PROT_READ to imply PROT_EXEC: - */ -- if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC)) -+ if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC)) - prot |= PROT_EXEC; - - vm_flags = calc_vm_prot_bits(prot); -@@ -390,6 +517,11 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, - if (start > vma->vm_start) - prev = vma; - -+#ifdef CONFIG_PAX_MPROTECT -+ if (current->mm->binfmt && current->mm->binfmt->handle_mprotect) -+ current->mm->binfmt->handle_mprotect(vma, vm_flags); -+#endif -+ - for (nstart = start ; ; ) { - unsigned long newflags; - -@@ -400,6 +532,14 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, - - /* newflags >> 4 shift VM_MAY% in place of VM_% */ - if ((newflags & ~(newflags >> 4)) & (VM_READ | VM_WRITE | VM_EXEC)) { -+ if (prot & (PROT_WRITE | PROT_EXEC)) -+ gr_log_rwxmprotect(vma); -+ -+ error = -EACCES; -+ goto out; -+ } -+ -+ if (!gr_acl_handle_mprotect(vma->vm_file, prot)) { - error = -EACCES; - goto out; - } -@@ -414,6 +554,9 @@ SYSCALL_DEFINE3(mprotect, unsigned long, start, size_t, len, - error = mprotect_fixup(vma, &prev, nstart, tmp, newflags); - if (error) - goto out; -+ -+ track_exec_limit(current->mm, nstart, tmp, vm_flags); -+ - nstart = tmp; - - if (nstart < prev->vm_end) -diff --git a/mm/mremap.c b/mm/mremap.c -index 034e2d3..81deca5 100644 ---- a/mm/mremap.c -+++ b/mm/mremap.c -@@ -142,6 +142,12 @@ static void move_ptes(struct vm_area_struct *vma, pmd_t *old_pmd, - continue; - pte = ptep_get_and_clear(mm, old_addr, old_pte); - pte = move_pte(pte, new_vma->vm_page_prot, old_addr, new_addr); -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+ if (!(__supported_pte_mask & _PAGE_NX) && pte_present(pte) && (new_vma->vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC) -+ pte = pte_exprotect(pte); -+#endif -+ - pte = move_soft_dirty_pte(pte); - set_pte_at(mm, new_addr, new_pte, pte); - } -@@ -350,6 +356,11 @@ static struct vm_area_struct *vma_to_resize(unsigned long addr, - if (is_vm_hugetlb_page(vma)) - return ERR_PTR(-EINVAL); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ return ERR_PTR(-EINVAL); -+#endif -+ - /* We can't remap across vm area boundaries */ - if (old_len > vma->vm_end - addr) - return ERR_PTR(-EFAULT); -@@ -396,20 +407,25 @@ static unsigned long mremap_to(unsigned long addr, unsigned long old_len, - unsigned long ret = -EINVAL; - unsigned long charged = 0; - unsigned long map_flags; -+ unsigned long pax_task_size = TASK_SIZE; - - if (new_addr & ~PAGE_MASK) - goto out; - -- if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len) -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (new_len > TASK_SIZE || new_addr > pax_task_size - new_len) - goto out; - - /* Check if the location we're moving into overlaps the - * old location at all, and fail if it does. - */ -- if ((new_addr <= addr) && (new_addr+new_len) > addr) -- goto out; -- -- if ((addr <= new_addr) && (addr+old_len) > new_addr) -+ if (addr + old_len > new_addr && new_addr + new_len > addr) - goto out; - - ret = do_munmap(mm, new_addr, new_len); -@@ -478,6 +494,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, - unsigned long ret = -EINVAL; - unsigned long charged = 0; - bool locked = false; -+ unsigned long pax_task_size = TASK_SIZE; - - if (flags & ~(MREMAP_FIXED | MREMAP_MAYMOVE)) - return ret; -@@ -499,6 +516,17 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, - if (!new_len) - return ret; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (new_len > pax_task_size || addr > pax_task_size-new_len || -+ old_len > pax_task_size || addr > pax_task_size-old_len) -+ return ret; -+ - down_write(&current->mm->mmap_sem); - - if (flags & MREMAP_FIXED) { -@@ -549,6 +577,7 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, - new_addr = addr; - } - ret = addr; -+ track_exec_limit(vma->vm_mm, vma->vm_start, addr + new_len, vma->vm_flags); - goto out; - } - } -@@ -572,7 +601,12 @@ SYSCALL_DEFINE5(mremap, unsigned long, addr, unsigned long, old_len, - goto out; - } - -+ map_flags = vma->vm_flags; - ret = move_vma(vma, addr, old_len, new_len, new_addr, &locked); -+ if (!(ret & ~PAGE_MASK)) { -+ track_exec_limit(current->mm, addr, addr + old_len, 0UL); -+ track_exec_limit(current->mm, new_addr, new_addr + new_len, map_flags); -+ } - } - out: - if (ret & ~PAGE_MASK) -diff --git a/mm/nommu.c b/mm/nommu.c -index e544508..b56ce7a 100644 ---- a/mm/nommu.c -+++ b/mm/nommu.c -@@ -72,7 +72,6 @@ int sysctl_max_map_count = DEFAULT_MAX_MAP_COUNT; - int sysctl_nr_trim_pages = CONFIG_NOMMU_INITIAL_TRIM_EXCESS; - unsigned long sysctl_user_reserve_kbytes __read_mostly = 1UL << 17; /* 128MB */ - unsigned long sysctl_admin_reserve_kbytes __read_mostly = 1UL << 13; /* 8MB */ --int heap_stack_gap = 0; - - atomic_long_t mmap_pages_allocated; - -@@ -892,15 +891,6 @@ struct vm_area_struct *find_vma(struct mm_struct *mm, unsigned long addr) - EXPORT_SYMBOL(find_vma); - - /* -- * find a VMA -- * - we don't extend stack VMAs under NOMMU conditions -- */ --struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr) --{ -- return find_vma(mm, addr); --} -- --/* - * expand a stack to a given address - * - not supported under NOMMU conditions - */ -@@ -1585,6 +1575,7 @@ int split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - - /* most fields are the same, copy all, and then fixup */ - *new = *vma; -+ INIT_LIST_HEAD(&new->anon_vma_chain); - *region = *vma->vm_region; - new->vm_region = region; - -@@ -2007,8 +1998,8 @@ void filemap_map_pages(struct vm_area_struct *vma, struct vm_fault *vmf) - } - EXPORT_SYMBOL(filemap_map_pages); - --static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, -- unsigned long addr, void *buf, int len, int write) -+static ssize_t __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, -+ unsigned long addr, void *buf, size_t len, int write) - { - struct vm_area_struct *vma; - -@@ -2049,8 +2040,8 @@ static int __access_remote_vm(struct task_struct *tsk, struct mm_struct *mm, - * - * The caller must hold a reference on @mm. - */ --int access_remote_vm(struct mm_struct *mm, unsigned long addr, -- void *buf, int len, int write) -+ssize_t access_remote_vm(struct mm_struct *mm, unsigned long addr, -+ void *buf, size_t len, int write) - { - return __access_remote_vm(NULL, mm, addr, buf, len, write); - } -@@ -2059,7 +2050,7 @@ int access_remote_vm(struct mm_struct *mm, unsigned long addr, - * Access another process' address space. - * - source/target buffer must be kernel space - */ --int access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, int len, int write) -+ssize_t access_process_vm(struct task_struct *tsk, unsigned long addr, void *buf, size_t len, int write) - { - struct mm_struct *mm; - -diff --git a/mm/page-writeback.c b/mm/page-writeback.c -index eb59f7e..b23a2a8 100644 ---- a/mm/page-writeback.c -+++ b/mm/page-writeback.c -@@ -664,7 +664,7 @@ static long long pos_ratio_polynom(unsigned long setpoint, - * card's bdi_dirty may rush to many times higher than bdi_setpoint. - * - the bdi dirty thresh drops quickly due to change of JBOD workload - */ --static unsigned long bdi_position_ratio(struct backing_dev_info *bdi, -+static unsigned long __intentional_overflow(-1) bdi_position_ratio(struct backing_dev_info *bdi, - unsigned long thresh, - unsigned long bg_thresh, - unsigned long dirty, -diff --git a/mm/page_alloc.c b/mm/page_alloc.c -index ebffa0e..a5ae7f7 100644 ---- a/mm/page_alloc.c -+++ b/mm/page_alloc.c -@@ -61,6 +61,7 @@ - #include <linux/hugetlb.h> - #include <linux/sched/rt.h> - #include <linux/page_owner.h> -+#include <linux/random.h> - - #include <asm/sections.h> - #include <asm/tlbflush.h> -@@ -357,7 +358,7 @@ out: - * This usage means that zero-order pages may not be compound. - */ - --static void free_compound_page(struct page *page) -+void free_compound_page(struct page *page) - { - __free_pages_ok(page, compound_order(page)); - } -@@ -480,7 +481,7 @@ static inline void clear_page_guard(struct zone *zone, struct page *page, - __mod_zone_freepage_state(zone, (1 << order), migratetype); - } - #else --struct page_ext_operations debug_guardpage_ops = { NULL, }; -+struct page_ext_operations debug_guardpage_ops = { .need = NULL, .init = NULL }; - static inline void set_page_guard(struct zone *zone, struct page *page, - unsigned int order, int migratetype) {} - static inline void clear_page_guard(struct zone *zone, struct page *page, -@@ -783,6 +784,10 @@ static bool free_pages_prepare(struct page *page, unsigned int order) - bool compound = PageCompound(page); - int i, bad = 0; - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ unsigned long index = 1UL << order; -+#endif -+ - VM_BUG_ON_PAGE(PageTail(page), page); - VM_BUG_ON_PAGE(compound && compound_order(page) != order, page); - -@@ -809,6 +814,12 @@ static bool free_pages_prepare(struct page *page, unsigned int order) - debug_check_no_obj_freed(page_address(page), - PAGE_SIZE << order); - } -+ -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ for (; index; --index) -+ sanitize_highpage(page + index - 1); -+#endif -+ - arch_free_page(page, order); - kernel_map_pages(page, 1 << order, 0); - -@@ -832,6 +843,20 @@ static void __free_pages_ok(struct page *page, unsigned int order) - local_irq_restore(flags); - } - -+#ifdef CONFIG_PAX_LATENT_ENTROPY -+bool __meminitdata extra_latent_entropy; -+ -+static int __init setup_pax_extra_latent_entropy(char *str) -+{ -+ extra_latent_entropy = true; -+ return 0; -+} -+early_param("pax_extra_latent_entropy", setup_pax_extra_latent_entropy); -+ -+volatile u64 latent_entropy __latent_entropy; -+EXPORT_SYMBOL(latent_entropy); -+#endif -+ - void __init __free_pages_bootmem(struct page *page, unsigned int order) - { - unsigned int nr_pages = 1 << order; -@@ -847,6 +872,19 @@ void __init __free_pages_bootmem(struct page *page, unsigned int order) - __ClearPageReserved(p); - set_page_count(p, 0); - -+#ifdef CONFIG_PAX_LATENT_ENTROPY -+ if (extra_latent_entropy && !PageHighMem(page) && page_to_pfn(page) < 0x100000) { -+ u64 hash = 0; -+ size_t index, end = PAGE_SIZE * nr_pages / sizeof hash; -+ const u64 *data = lowmem_page_address(page); -+ -+ for (index = 0; index < end; index++) -+ hash ^= hash + data[index]; -+ latent_entropy ^= hash; -+ add_device_randomness((const void *)&latent_entropy, sizeof(latent_entropy)); -+ } -+#endif -+ - page_zone(page)->managed_pages += nr_pages; - set_page_refcounted(page); - __free_pages(page, order); -@@ -974,8 +1012,10 @@ static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, - kernel_map_pages(page, 1 << order, 1); - kasan_alloc_pages(page, order); - -+#ifndef CONFIG_PAX_MEMORY_SANITIZE - if (gfp_flags & __GFP_ZERO) - prep_zero_page(page, order, gfp_flags); -+#endif - - if (order && (gfp_flags & __GFP_COMP)) - prep_compound_page(page, order); -@@ -983,12 +1023,15 @@ static int prep_new_page(struct page *page, unsigned int order, gfp_t gfp_flags, - set_page_owner(page, order, gfp_flags); - - /* -- * page->pfmemalloc is set when ALLOC_NO_WATERMARKS was necessary to -+ * page is set pfmemalloc when ALLOC_NO_WATERMARKS was necessary to - * allocate the page. The expectation is that the caller is taking - * steps that will free more memory. The caller should avoid the page - * being used for !PFMEMALLOC purposes. - */ -- page->pfmemalloc = !!(alloc_flags & ALLOC_NO_WATERMARKS); -+ if (alloc_flags & ALLOC_NO_WATERMARKS) -+ set_page_pfmemalloc(page); -+ else -+ clear_page_pfmemalloc(page); - - return 0; - } -@@ -1649,6 +1692,8 @@ int __isolate_free_page(struct page *page, unsigned int order) - zone->free_area[order].nr_free--; - rmv_page_order(page); - -+ set_page_owner(page, order, 0); -+ - /* Set the pageblock if the isolated page is at least a pageblock */ - if (order >= pageblock_order - 1) { - struct page *endpage = page + (1 << order) - 1; -@@ -1660,7 +1705,7 @@ int __isolate_free_page(struct page *page, unsigned int order) - } - } - -- set_page_owner(page, order, 0); -+ - return 1UL << order; - } - -@@ -1749,7 +1794,7 @@ struct page *buffered_rmqueue(struct zone *preferred_zone, - } - - __mod_zone_page_state(zone, NR_ALLOC_BATCH, -(1 << order)); -- if (atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH]) <= 0 && -+ if (atomic_long_read_unchecked(&zone->vm_stat[NR_ALLOC_BATCH]) <= 0 && - !test_bit(ZONE_FAIR_DEPLETED, &zone->flags)) - set_bit(ZONE_FAIR_DEPLETED, &zone->flags); - -@@ -2068,7 +2113,7 @@ static void reset_alloc_batches(struct zone *preferred_zone) - do { - mod_zone_page_state(zone, NR_ALLOC_BATCH, - high_wmark_pages(zone) - low_wmark_pages(zone) - -- atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH])); -+ atomic_long_read_unchecked(&zone->vm_stat[NR_ALLOC_BATCH])); - clear_bit(ZONE_FAIR_DEPLETED, &zone->flags); - } while (zone++ != preferred_zone); - } -@@ -5781,7 +5826,7 @@ static void __setup_per_zone_wmarks(void) - - __mod_zone_page_state(zone, NR_ALLOC_BATCH, - high_wmark_pages(zone) - low_wmark_pages(zone) - -- atomic_long_read(&zone->vm_stat[NR_ALLOC_BATCH])); -+ atomic_long_read_unchecked(&zone->vm_stat[NR_ALLOC_BATCH])); - - setup_zone_migrate_reserve(zone); - spin_unlock_irqrestore(&zone->lock, flags); -diff --git a/mm/percpu.c b/mm/percpu.c -index 2dd7448..9bb6305 100644 ---- a/mm/percpu.c -+++ b/mm/percpu.c -@@ -131,7 +131,7 @@ static unsigned int pcpu_low_unit_cpu __read_mostly; - static unsigned int pcpu_high_unit_cpu __read_mostly; - - /* the address of the first chunk which starts with the kernel static area */ --void *pcpu_base_addr __read_mostly; -+void *pcpu_base_addr __read_only; - EXPORT_SYMBOL_GPL(pcpu_base_addr); - - static const int *pcpu_unit_map __read_mostly; /* cpu -> unit */ -diff --git a/mm/process_vm_access.c b/mm/process_vm_access.c -index e88d071..d80e01a 100644 ---- a/mm/process_vm_access.c -+++ b/mm/process_vm_access.c -@@ -13,6 +13,7 @@ - #include <linux/uio.h> - #include <linux/sched.h> - #include <linux/highmem.h> -+#include <linux/security.h> - #include <linux/ptrace.h> - #include <linux/slab.h> - #include <linux/syscalls.h> -@@ -154,19 +155,19 @@ static ssize_t process_vm_rw_core(pid_t pid, struct iov_iter *iter, - ssize_t iov_len; - size_t total_len = iov_iter_count(iter); - -+ return -ENOSYS; // PaX: until properly audited -+ - /* - * Work out how many pages of struct pages we're going to need - * when eventually calling get_user_pages - */ - for (i = 0; i < riovcnt; i++) { - iov_len = rvec[i].iov_len; -- if (iov_len > 0) { -- nr_pages_iov = ((unsigned long)rvec[i].iov_base -- + iov_len) -- / PAGE_SIZE - (unsigned long)rvec[i].iov_base -- / PAGE_SIZE + 1; -- nr_pages = max(nr_pages, nr_pages_iov); -- } -+ if (iov_len <= 0) -+ continue; -+ nr_pages_iov = ((unsigned long)rvec[i].iov_base + iov_len) / PAGE_SIZE - -+ (unsigned long)rvec[i].iov_base / PAGE_SIZE + 1; -+ nr_pages = max(nr_pages, nr_pages_iov); - } - - if (nr_pages == 0) -@@ -194,6 +195,11 @@ static ssize_t process_vm_rw_core(pid_t pid, struct iov_iter *iter, - goto free_proc_pages; - } - -+ if (gr_handle_ptrace(task, vm_write ? PTRACE_POKETEXT : PTRACE_ATTACH)) { -+ rc = -EPERM; -+ goto put_task_struct; -+ } -+ - mm = mm_access(task, PTRACE_MODE_ATTACH); - if (!mm || IS_ERR(mm)) { - rc = IS_ERR(mm) ? PTR_ERR(mm) : -ESRCH; -diff --git a/mm/rmap.c b/mm/rmap.c -index 24dd3f9..4eb43f4 100644 ---- a/mm/rmap.c -+++ b/mm/rmap.c -@@ -166,6 +166,10 @@ int anon_vma_prepare(struct vm_area_struct *vma) - struct anon_vma *anon_vma = vma->anon_vma; - struct anon_vma_chain *avc; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct anon_vma_chain *avc_m = NULL; -+#endif -+ - might_sleep(); - if (unlikely(!anon_vma)) { - struct mm_struct *mm = vma->vm_mm; -@@ -175,6 +179,12 @@ int anon_vma_prepare(struct vm_area_struct *vma) - if (!avc) - goto out_enomem; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ avc_m = anon_vma_chain_alloc(GFP_KERNEL); -+ if (!avc_m) -+ goto out_enomem_free_avc; -+#endif -+ - anon_vma = find_mergeable_anon_vma(vma); - allocated = NULL; - if (!anon_vma) { -@@ -188,6 +198,19 @@ int anon_vma_prepare(struct vm_area_struct *vma) - /* page_table_lock to protect against threads */ - spin_lock(&mm->page_table_lock); - if (likely(!vma->anon_vma)) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = pax_find_mirror_vma(vma); -+ -+ if (vma_m) { -+ BUG_ON(vma_m->anon_vma); -+ vma_m->anon_vma = anon_vma; -+ anon_vma_chain_link(vma_m, avc_m, anon_vma); -+ anon_vma->degree++; -+ avc_m = NULL; -+ } -+#endif -+ - vma->anon_vma = anon_vma; - anon_vma_chain_link(vma, avc, anon_vma); - /* vma reference or self-parent link for new root */ -@@ -200,12 +223,24 @@ int anon_vma_prepare(struct vm_area_struct *vma) - - if (unlikely(allocated)) - put_anon_vma(allocated); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (unlikely(avc_m)) -+ anon_vma_chain_free(avc_m); -+#endif -+ - if (unlikely(avc)) - anon_vma_chain_free(avc); - } - return 0; - - out_enomem_free_avc: -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (avc_m) -+ anon_vma_chain_free(avc_m); -+#endif -+ - anon_vma_chain_free(avc); - out_enomem: - return -ENOMEM; -@@ -249,7 +284,7 @@ static inline void unlock_anon_vma_root(struct anon_vma *root) - * good chance of avoiding scanning the whole hierarchy when it searches where - * page is mapped. - */ --int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src) -+int anon_vma_clone(struct vm_area_struct *dst, const struct vm_area_struct *src) - { - struct anon_vma_chain *avc, *pavc; - struct anon_vma *root = NULL; -@@ -303,7 +338,7 @@ int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src) - * the corresponding VMA in the parent process is attached to. - * Returns 0 on success, non-zero on failure. - */ --int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma) -+int anon_vma_fork(struct vm_area_struct *vma, const struct vm_area_struct *pvma) - { - struct anon_vma_chain *avc; - struct anon_vma *anon_vma; -@@ -423,8 +458,10 @@ static void anon_vma_ctor(void *data) - void __init anon_vma_init(void) - { - anon_vma_cachep = kmem_cache_create("anon_vma", sizeof(struct anon_vma), -- 0, SLAB_DESTROY_BY_RCU|SLAB_PANIC, anon_vma_ctor); -- anon_vma_chain_cachep = KMEM_CACHE(anon_vma_chain, SLAB_PANIC); -+ 0, SLAB_DESTROY_BY_RCU|SLAB_PANIC|SLAB_NO_SANITIZE, -+ anon_vma_ctor); -+ anon_vma_chain_cachep = KMEM_CACHE(anon_vma_chain, -+ SLAB_PANIC|SLAB_NO_SANITIZE); - } - - /* -diff --git a/mm/shmem.c b/mm/shmem.c -index 47d536e..8321b4e 100644 ---- a/mm/shmem.c -+++ b/mm/shmem.c -@@ -33,7 +33,7 @@ - #include <linux/swap.h> - #include <linux/uio.h> - --static struct vfsmount *shm_mnt; -+struct vfsmount *shm_mnt; - - #ifdef CONFIG_SHMEM - /* -@@ -80,7 +80,7 @@ static struct vfsmount *shm_mnt; - #define BOGO_DIRENT_SIZE 20 - - /* Symlink up to this size is kmalloc'ed instead of using a swappable page */ --#define SHORT_SYMLINK_LEN 128 -+#define SHORT_SYMLINK_LEN 64 - - /* - * shmem_fallocate communicates with shmem_fault or shmem_writepage via -@@ -2555,6 +2555,11 @@ static const struct xattr_handler *shmem_xattr_handlers[] = { - static int shmem_xattr_validate(const char *name) - { - struct { const char *prefix; size_t len; } arr[] = { -+ -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+ { XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN}, -+#endif -+ - { XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN }, - { XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN } - }; -@@ -2610,6 +2615,15 @@ static int shmem_setxattr(struct dentry *dentry, const char *name, - if (err) - return err; - -+#ifdef CONFIG_PAX_XATTR_PAX_FLAGS -+ if (!strncmp(name, XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN)) { -+ if (strcmp(name, XATTR_NAME_PAX_FLAGS)) -+ return -EOPNOTSUPP; -+ if (size > 8) -+ return -EINVAL; -+ } -+#endif -+ - return simple_xattr_set(&info->xattrs, name, value, size, flags); - } - -@@ -2993,8 +3007,7 @@ int shmem_fill_super(struct super_block *sb, void *data, int silent) - int err = -ENOMEM; - - /* Round up to L1_CACHE_BYTES to resist false sharing */ -- sbinfo = kzalloc(max((int)sizeof(struct shmem_sb_info), -- L1_CACHE_BYTES), GFP_KERNEL); -+ sbinfo = kzalloc(max(sizeof(struct shmem_sb_info), L1_CACHE_BYTES), GFP_KERNEL); - if (!sbinfo) - return -ENOMEM; - -diff --git a/mm/slab.c b/mm/slab.c -index 7eb38dd..0451459 100644 ---- a/mm/slab.c -+++ b/mm/slab.c -@@ -314,10 +314,12 @@ static void kmem_cache_node_init(struct kmem_cache_node *parent) - if ((x)->max_freeable < i) \ - (x)->max_freeable = i; \ - } while (0) --#define STATS_INC_ALLOCHIT(x) atomic_inc(&(x)->allochit) --#define STATS_INC_ALLOCMISS(x) atomic_inc(&(x)->allocmiss) --#define STATS_INC_FREEHIT(x) atomic_inc(&(x)->freehit) --#define STATS_INC_FREEMISS(x) atomic_inc(&(x)->freemiss) -+#define STATS_INC_ALLOCHIT(x) atomic_inc_unchecked(&(x)->allochit) -+#define STATS_INC_ALLOCMISS(x) atomic_inc_unchecked(&(x)->allocmiss) -+#define STATS_INC_FREEHIT(x) atomic_inc_unchecked(&(x)->freehit) -+#define STATS_INC_FREEMISS(x) atomic_inc_unchecked(&(x)->freemiss) -+#define STATS_INC_SANITIZED(x) atomic_inc_unchecked(&(x)->sanitized) -+#define STATS_INC_NOT_SANITIZED(x) atomic_inc_unchecked(&(x)->not_sanitized) - #else - #define STATS_INC_ACTIVE(x) do { } while (0) - #define STATS_DEC_ACTIVE(x) do { } while (0) -@@ -334,6 +336,8 @@ static void kmem_cache_node_init(struct kmem_cache_node *parent) - #define STATS_INC_ALLOCMISS(x) do { } while (0) - #define STATS_INC_FREEHIT(x) do { } while (0) - #define STATS_INC_FREEMISS(x) do { } while (0) -+#define STATS_INC_SANITIZED(x) do { } while (0) -+#define STATS_INC_NOT_SANITIZED(x) do { } while (0) - #endif - - #if DEBUG -@@ -450,7 +454,7 @@ static inline void *index_to_obj(struct kmem_cache *cache, struct page *page, - * reciprocal_divide(offset, cache->reciprocal_buffer_size) - */ - static inline unsigned int obj_to_index(const struct kmem_cache *cache, -- const struct page *page, void *obj) -+ const struct page *page, const void *obj) - { - u32 offset = (obj - page->s_mem); - return reciprocal_divide(offset, cache->reciprocal_buffer_size); -@@ -1452,7 +1456,7 @@ void __init kmem_cache_init(void) - * structures first. Without this, further allocations will bug. - */ - kmalloc_caches[INDEX_NODE] = create_kmalloc_cache("kmalloc-node", -- kmalloc_size(INDEX_NODE), ARCH_KMALLOC_FLAGS); -+ kmalloc_size(INDEX_NODE), SLAB_USERCOPY | ARCH_KMALLOC_FLAGS); - slab_state = PARTIAL_NODE; - - slab_early_init = 0; -@@ -1602,7 +1606,7 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, - } - - /* Record if ALLOC_NO_WATERMARKS was set when allocating the slab */ -- if (unlikely(page->pfmemalloc)) -+ if (page_is_pfmemalloc(page)) - pfmemalloc_active = true; - - nr_pages = (1 << cachep->gfporder); -@@ -1613,7 +1617,7 @@ static struct page *kmem_getpages(struct kmem_cache *cachep, gfp_t flags, - add_zone_page_state(page_zone(page), - NR_SLAB_UNRECLAIMABLE, nr_pages); - __SetPageSlab(page); -- if (page->pfmemalloc) -+ if (page_is_pfmemalloc(page)) - SetPageSlabPfmemalloc(page); - - if (kmemcheck_enabled && !(cachep->flags & SLAB_NOTRACK)) { -@@ -2073,7 +2077,7 @@ __kmem_cache_alias(const char *name, size_t size, size_t align, - - cachep = find_mergeable(size, align, flags, name, ctor); - if (cachep) { -- cachep->refcount++; -+ atomic_inc(&cachep->refcount); - - /* - * Adjust the object sizes so that we clear -@@ -3371,6 +3375,20 @@ static inline void __cache_free(struct kmem_cache *cachep, void *objp, - struct array_cache *ac = cpu_cache_get(cachep); - - check_irq_off(); -+ -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ if (cachep->flags & (SLAB_POISON | SLAB_NO_SANITIZE)) -+ STATS_INC_NOT_SANITIZED(cachep); -+ else { -+ memset(objp, PAX_MEMORY_SANITIZE_VALUE, cachep->object_size); -+ -+ if (cachep->ctor) -+ cachep->ctor(objp); -+ -+ STATS_INC_SANITIZED(cachep); -+ } -+#endif -+ - kmemleak_free_recursive(objp, cachep->flags); - objp = cache_free_debugcheck(cachep, objp, caller); - -@@ -3483,7 +3501,7 @@ __do_kmalloc_node(size_t size, gfp_t flags, int node, unsigned long caller) - return kmem_cache_alloc_node_trace(cachep, flags, node, size); - } - --void *__kmalloc_node(size_t size, gfp_t flags, int node) -+void * __size_overflow(1) __kmalloc_node(size_t size, gfp_t flags, int node) - { - return __do_kmalloc_node(size, flags, node, _RET_IP_); - } -@@ -3503,7 +3521,7 @@ EXPORT_SYMBOL(__kmalloc_node_track_caller); - * @flags: the type of memory to allocate (see kmalloc). - * @caller: function caller for debug tracking of the caller - */ --static __always_inline void *__do_kmalloc(size_t size, gfp_t flags, -+static __always_inline void * __size_overflow(1) __do_kmalloc(size_t size, gfp_t flags, - unsigned long caller) - { - struct kmem_cache *cachep; -@@ -3576,6 +3594,7 @@ void kfree(const void *objp) - - if (unlikely(ZERO_OR_NULL_PTR(objp))) - return; -+ VM_BUG_ON(!virt_addr_valid(objp)); - local_irq_save(flags); - kfree_debugcheck(objp); - c = virt_to_cache(objp); -@@ -3995,14 +4014,22 @@ void slabinfo_show_stats(struct seq_file *m, struct kmem_cache *cachep) - } - /* cpu stats */ - { -- unsigned long allochit = atomic_read(&cachep->allochit); -- unsigned long allocmiss = atomic_read(&cachep->allocmiss); -- unsigned long freehit = atomic_read(&cachep->freehit); -- unsigned long freemiss = atomic_read(&cachep->freemiss); -+ unsigned long allochit = atomic_read_unchecked(&cachep->allochit); -+ unsigned long allocmiss = atomic_read_unchecked(&cachep->allocmiss); -+ unsigned long freehit = atomic_read_unchecked(&cachep->freehit); -+ unsigned long freemiss = atomic_read_unchecked(&cachep->freemiss); - - seq_printf(m, " : cpustat %6lu %6lu %6lu %6lu", - allochit, allocmiss, freehit, freemiss); - } -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ { -+ unsigned long sanitized = atomic_read_unchecked(&cachep->sanitized); -+ unsigned long not_sanitized = atomic_read_unchecked(&cachep->not_sanitized); -+ -+ seq_printf(m, " : pax %6lu %6lu", sanitized, not_sanitized); -+ } -+#endif - #endif - } - -@@ -4210,13 +4237,80 @@ static const struct file_operations proc_slabstats_operations = { - static int __init slab_proc_init(void) - { - #ifdef CONFIG_DEBUG_SLAB_LEAK -- proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations); -+ proc_create("slab_allocators", S_IRUSR, NULL, &proc_slabstats_operations); - #endif - return 0; - } - module_init(slab_proc_init); - #endif - -+bool is_usercopy_object(const void *ptr) -+{ -+ struct page *page; -+ struct kmem_cache *cachep; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ return false; -+ -+ if (!slab_is_available()) -+ return false; -+ -+ if (is_vmalloc_addr(ptr) -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ && !object_starts_on_stack(ptr) -+#endif -+ ) { -+ struct vm_struct *vm = find_vm_area(ptr); -+ if (vm && (vm->flags & VM_USERCOPY)) -+ return true; -+ return false; -+ } -+ -+ if (!virt_addr_valid(ptr)) -+ return false; -+ -+ page = virt_to_head_page(ptr); -+ -+ if (!PageSlab(page)) -+ return false; -+ -+ cachep = page->slab_cache; -+ return cachep->flags & SLAB_USERCOPY; -+} -+ -+#ifdef CONFIG_PAX_USERCOPY -+const char *check_heap_object(const void *ptr, unsigned long n) -+{ -+ struct page *page; -+ struct kmem_cache *cachep; -+ unsigned int objnr; -+ unsigned long offset; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ return "<null>"; -+ -+ if (!virt_addr_valid(ptr)) -+ return NULL; -+ -+ page = virt_to_head_page(ptr); -+ -+ if (!PageSlab(page)) -+ return NULL; -+ -+ cachep = page->slab_cache; -+ if (!(cachep->flags & SLAB_USERCOPY)) -+ return cachep->name; -+ -+ objnr = obj_to_index(cachep, page, ptr); -+ BUG_ON(objnr >= cachep->num); -+ offset = ptr - index_to_obj(cachep, page, objnr) - obj_offset(cachep); -+ if (offset <= cachep->object_size && n <= cachep->object_size - offset) -+ return NULL; -+ -+ return cachep->name; -+} -+#endif -+ - /** - * ksize - get the actual amount of memory allocated for a given object - * @objp: Pointer to the object -diff --git a/mm/slab.h b/mm/slab.h -index 4c3ac12..7b2e470 100644 ---- a/mm/slab.h -+++ b/mm/slab.h -@@ -22,7 +22,7 @@ struct kmem_cache { - unsigned int align; /* Alignment as calculated */ - unsigned long flags; /* Active flags on the slab */ - const char *name; /* Slab name for sysfs */ -- int refcount; /* Use counter */ -+ atomic_t refcount; /* Use counter */ - void (*ctor)(void *); /* Called on object slot creation */ - struct list_head list; /* List of all slab caches on the system */ - }; -@@ -66,6 +66,20 @@ extern struct list_head slab_caches; - /* The slab cache that manages slab cache information */ - extern struct kmem_cache *kmem_cache; - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+#ifdef CONFIG_X86_64 -+#define PAX_MEMORY_SANITIZE_VALUE '\xfe' -+#else -+#define PAX_MEMORY_SANITIZE_VALUE '\xff' -+#endif -+enum pax_sanitize_mode { -+ PAX_SANITIZE_SLAB_OFF = 0, -+ PAX_SANITIZE_SLAB_FAST, -+ PAX_SANITIZE_SLAB_FULL, -+}; -+extern enum pax_sanitize_mode pax_sanitize_slab; -+#endif -+ - unsigned long calculate_alignment(unsigned long flags, - unsigned long align, unsigned long size); - -@@ -114,7 +128,8 @@ static inline unsigned long kmem_cache_flags(unsigned long object_size, - - /* Legal flag mask for kmem_cache_create(), for various configurations */ - #define SLAB_CORE_FLAGS (SLAB_HWCACHE_ALIGN | SLAB_CACHE_DMA | SLAB_PANIC | \ -- SLAB_DESTROY_BY_RCU | SLAB_DEBUG_OBJECTS ) -+ SLAB_DESTROY_BY_RCU | SLAB_DEBUG_OBJECTS | \ -+ SLAB_USERCOPY | SLAB_NO_SANITIZE) - - #if defined(CONFIG_DEBUG_SLAB) - #define SLAB_DEBUG_FLAGS (SLAB_RED_ZONE | SLAB_POISON | SLAB_STORE_USER) -@@ -315,6 +330,9 @@ static inline struct kmem_cache *cache_from_obj(struct kmem_cache *s, void *x) - return s; - - page = virt_to_head_page(x); -+ -+ BUG_ON(!PageSlab(page)); -+ - cachep = page->slab_cache; - if (slab_equal_or_root(cachep, s)) - return cachep; -diff --git a/mm/slab_common.c b/mm/slab_common.c -index 999bb34..9843aea 100644 ---- a/mm/slab_common.c -+++ b/mm/slab_common.c -@@ -25,11 +25,35 @@ - - #include "slab.h" - --enum slab_state slab_state; -+enum slab_state slab_state __read_only; - LIST_HEAD(slab_caches); - DEFINE_MUTEX(slab_mutex); - struct kmem_cache *kmem_cache; - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+enum pax_sanitize_mode pax_sanitize_slab __read_only = PAX_SANITIZE_SLAB_FAST; -+static int __init pax_sanitize_slab_setup(char *str) -+{ -+ if (!str) -+ return 0; -+ -+ if (!strcmp(str, "0") || !strcmp(str, "off")) { -+ pr_info("PaX slab sanitization: %s\n", "disabled"); -+ pax_sanitize_slab = PAX_SANITIZE_SLAB_OFF; -+ } else if (!strcmp(str, "1") || !strcmp(str, "fast")) { -+ pr_info("PaX slab sanitization: %s\n", "fast"); -+ pax_sanitize_slab = PAX_SANITIZE_SLAB_FAST; -+ } else if (!strcmp(str, "full")) { -+ pr_info("PaX slab sanitization: %s\n", "full"); -+ pax_sanitize_slab = PAX_SANITIZE_SLAB_FULL; -+ } else -+ pr_err("PaX slab sanitization: unsupported option '%s'\n", str); -+ -+ return 0; -+} -+early_param("pax_sanitize_slab", pax_sanitize_slab_setup); -+#endif -+ - /* - * Set of flags that will prevent slab merging - */ -@@ -44,7 +68,7 @@ struct kmem_cache *kmem_cache; - * Merge control. If this is set then no merging of slab caches will occur. - * (Could be removed. This was introduced to pacify the merge skeptics.) - */ --static int slab_nomerge; -+static int slab_nomerge = 1; - - static int __init setup_slab_nomerge(char *str) - { -@@ -217,7 +241,7 @@ int slab_unmergeable(struct kmem_cache *s) - /* - * We may have set a slab to be unmergeable during bootstrap. - */ -- if (s->refcount < 0) -+ if (atomic_read(&s->refcount) < 0) - return 1; - - return 0; -@@ -321,7 +345,7 @@ do_kmem_cache_create(const char *name, size_t object_size, size_t size, - if (err) - goto out_free_cache; - -- s->refcount = 1; -+ atomic_set(&s->refcount, 1); - list_add(&s->list, &slab_caches); - out: - if (err) -@@ -386,6 +410,13 @@ kmem_cache_create(const char *name, size_t size, size_t align, - */ - flags &= CACHE_CREATE_MASK; - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ if (pax_sanitize_slab == PAX_SANITIZE_SLAB_OFF || (flags & SLAB_DESTROY_BY_RCU)) -+ flags |= SLAB_NO_SANITIZE; -+ else if (pax_sanitize_slab == PAX_SANITIZE_SLAB_FULL) -+ flags &= ~SLAB_NO_SANITIZE; -+#endif -+ - s = __kmem_cache_alias(name, size, align, flags, ctor); - if (s) - goto out_unlock; -@@ -456,7 +487,7 @@ static void do_kmem_cache_release(struct list_head *release, - rcu_barrier(); - - list_for_each_entry_safe(s, s2, release, list) { --#ifdef SLAB_SUPPORTS_SYSFS -+#if defined(SLAB_SUPPORTS_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - sysfs_slab_remove(s); - #else - slab_kmem_cache_release(s); -@@ -625,8 +656,7 @@ void kmem_cache_destroy(struct kmem_cache *s) - - mutex_lock(&slab_mutex); - -- s->refcount--; -- if (s->refcount) -+ if (!atomic_dec_and_test(&s->refcount)) - goto out_unlock; - - for_each_memcg_cache_safe(c, c2, s) { -@@ -691,7 +721,7 @@ void __init create_boot_cache(struct kmem_cache *s, const char *name, size_t siz - panic("Creation of kmalloc slab %s size=%zu failed. Reason %d\n", - name, size, err); - -- s->refcount = -1; /* Exempt from merging for now */ -+ atomic_set(&s->refcount, -1); /* Exempt from merging for now */ - } - - struct kmem_cache *__init create_kmalloc_cache(const char *name, size_t size, -@@ -704,7 +734,7 @@ struct kmem_cache *__init create_kmalloc_cache(const char *name, size_t size, - - create_boot_cache(s, name, size, flags); - list_add(&s->list, &slab_caches); -- s->refcount = 1; -+ atomic_set(&s->refcount, 1); - return s; - } - -@@ -716,6 +746,11 @@ struct kmem_cache *kmalloc_dma_caches[KMALLOC_SHIFT_HIGH + 1]; - EXPORT_SYMBOL(kmalloc_dma_caches); - #endif - -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+struct kmem_cache *kmalloc_usercopy_caches[KMALLOC_SHIFT_HIGH + 1]; -+EXPORT_SYMBOL(kmalloc_usercopy_caches); -+#endif -+ - /* - * Conversion table for small slabs sizes / 8 to the index in the - * kmalloc array. This is necessary for slabs < 192 since we have non power -@@ -780,6 +815,13 @@ struct kmem_cache *kmalloc_slab(size_t size, gfp_t flags) - return kmalloc_dma_caches[index]; - - #endif -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ if (unlikely((flags & GFP_USERCOPY))) -+ return kmalloc_usercopy_caches[index]; -+ -+#endif -+ - return kmalloc_caches[index]; - } - -@@ -836,7 +878,7 @@ void __init create_kmalloc_caches(unsigned long flags) - for (i = KMALLOC_SHIFT_LOW; i <= KMALLOC_SHIFT_HIGH; i++) { - if (!kmalloc_caches[i]) { - kmalloc_caches[i] = create_kmalloc_cache(NULL, -- 1 << i, flags); -+ 1 << i, SLAB_USERCOPY | flags); - } - - /* -@@ -845,10 +887,10 @@ void __init create_kmalloc_caches(unsigned long flags) - * earlier power of two caches - */ - if (KMALLOC_MIN_SIZE <= 32 && !kmalloc_caches[1] && i == 6) -- kmalloc_caches[1] = create_kmalloc_cache(NULL, 96, flags); -+ kmalloc_caches[1] = create_kmalloc_cache(NULL, 96, SLAB_USERCOPY | flags); - - if (KMALLOC_MIN_SIZE <= 64 && !kmalloc_caches[2] && i == 7) -- kmalloc_caches[2] = create_kmalloc_cache(NULL, 192, flags); -+ kmalloc_caches[2] = create_kmalloc_cache(NULL, 192, SLAB_USERCOPY | flags); - } - - /* Kmalloc array is now usable */ -@@ -881,6 +923,23 @@ void __init create_kmalloc_caches(unsigned long flags) - } - } - #endif -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ for (i = 0; i <= KMALLOC_SHIFT_HIGH; i++) { -+ struct kmem_cache *s = kmalloc_caches[i]; -+ -+ if (s) { -+ int size = kmalloc_size(i); -+ char *n = kasprintf(GFP_NOWAIT, -+ "usercopy-kmalloc-%d", size); -+ -+ BUG_ON(!n); -+ kmalloc_usercopy_caches[i] = create_kmalloc_cache(n, -+ size, SLAB_USERCOPY | flags); -+ } -+ } -+#endif -+ - } - #endif /* !CONFIG_SLOB */ - -@@ -940,6 +999,9 @@ static void print_slabinfo_header(struct seq_file *m) - seq_puts(m, " : globalstat <listallocs> <maxobjs> <grown> <reaped> " - "<error> <maxfreeable> <nodeallocs> <remotefrees> <alienoverflow>"); - seq_puts(m, " : cpustat <allochit> <allocmiss> <freehit> <freemiss>"); -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ seq_puts(m, " : pax <sanitized> <not_sanitized>"); -+#endif - #endif - seq_putc(m, '\n'); - } -@@ -1069,7 +1131,7 @@ static int __init slab_proc_init(void) - module_init(slab_proc_init); - #endif /* CONFIG_SLABINFO */ - --static __always_inline void *__do_krealloc(const void *p, size_t new_size, -+static __always_inline void * __size_overflow(2) __do_krealloc(const void *p, size_t new_size, - gfp_t flags) - { - void *ret; -diff --git a/mm/slob.c b/mm/slob.c -index 4765f65..f17284d 100644 ---- a/mm/slob.c -+++ b/mm/slob.c -@@ -157,7 +157,7 @@ static void set_slob(slob_t *s, slobidx_t size, slob_t *next) - /* - * Return the size of a slob block. - */ --static slobidx_t slob_units(slob_t *s) -+static slobidx_t slob_units(const slob_t *s) - { - if (s->units > 0) - return s->units; -@@ -167,7 +167,7 @@ static slobidx_t slob_units(slob_t *s) - /* - * Return the next free slob block pointer after this one. - */ --static slob_t *slob_next(slob_t *s) -+static slob_t *slob_next(const slob_t *s) - { - slob_t *base = (slob_t *)((unsigned long)s & PAGE_MASK); - slobidx_t next; -@@ -182,14 +182,14 @@ static slob_t *slob_next(slob_t *s) - /* - * Returns true if s is the last free block in its page. - */ --static int slob_last(slob_t *s) -+static int slob_last(const slob_t *s) - { - return !((unsigned long)slob_next(s) & ~PAGE_MASK); - } - --static void *slob_new_pages(gfp_t gfp, int order, int node) -+static struct page *slob_new_pages(gfp_t gfp, unsigned int order, int node) - { -- void *page; -+ struct page *page; - - #ifdef CONFIG_NUMA - if (node != NUMA_NO_NODE) -@@ -201,14 +201,18 @@ static void *slob_new_pages(gfp_t gfp, int order, int node) - if (!page) - return NULL; - -- return page_address(page); -+ __SetPageSlab(page); -+ return page; - } - --static void slob_free_pages(void *b, int order) -+static void slob_free_pages(struct page *sp, int order) - { - if (current->reclaim_state) - current->reclaim_state->reclaimed_slab += 1 << order; -- free_pages((unsigned long)b, order); -+ __ClearPageSlab(sp); -+ page_mapcount_reset(sp); -+ sp->private = 0; -+ __free_pages(sp, order); - } - - /* -@@ -313,15 +317,15 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node) - - /* Not enough space: must allocate a new page */ - if (!b) { -- b = slob_new_pages(gfp & ~__GFP_ZERO, 0, node); -- if (!b) -+ sp = slob_new_pages(gfp & ~__GFP_ZERO, 0, node); -+ if (!sp) - return NULL; -- sp = virt_to_page(b); -- __SetPageSlab(sp); -+ b = page_address(sp); - - spin_lock_irqsave(&slob_lock, flags); - sp->units = SLOB_UNITS(PAGE_SIZE); - sp->freelist = b; -+ sp->private = 0; - INIT_LIST_HEAD(&sp->lru); - set_slob(b, SLOB_UNITS(PAGE_SIZE), b + SLOB_UNITS(PAGE_SIZE)); - set_slob_page_free(sp, slob_list); -@@ -337,7 +341,7 @@ static void *slob_alloc(size_t size, gfp_t gfp, int align, int node) - /* - * slob_free: entry point into the slob allocator. - */ --static void slob_free(void *block, int size) -+static void slob_free(struct kmem_cache *c, void *block, int size) - { - struct page *sp; - slob_t *prev, *next, *b = (slob_t *)block; -@@ -359,12 +363,15 @@ static void slob_free(void *block, int size) - if (slob_page_free(sp)) - clear_slob_page_free(sp); - spin_unlock_irqrestore(&slob_lock, flags); -- __ClearPageSlab(sp); -- page_mapcount_reset(sp); -- slob_free_pages(b, 0); -+ slob_free_pages(sp, 0); - return; - } - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ if (pax_sanitize_slab && !(c && (c->flags & SLAB_NO_SANITIZE))) -+ memset(block, PAX_MEMORY_SANITIZE_VALUE, size); -+#endif -+ - if (!slob_page_free(sp)) { - /* This slob page is about to become partially free. Easy! */ - sp->units = units; -@@ -424,11 +431,10 @@ out: - */ - - static __always_inline void * --__do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller) -+__do_kmalloc_node_align(size_t size, gfp_t gfp, int node, unsigned long caller, int align) - { -- unsigned int *m; -- int align = max_t(size_t, ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -- void *ret; -+ slob_t *m; -+ void *ret = NULL; - - gfp &= gfp_allowed_mask; - -@@ -442,27 +448,45 @@ __do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller) - - if (!m) - return NULL; -- *m = size; -+ BUILD_BUG_ON(ARCH_KMALLOC_MINALIGN < 2 * SLOB_UNIT); -+ BUILD_BUG_ON(ARCH_SLAB_MINALIGN < 2 * SLOB_UNIT); -+ m[0].units = size; -+ m[1].units = align; - ret = (void *)m + align; - - trace_kmalloc_node(caller, ret, - size, size + align, gfp, node); - } else { - unsigned int order = get_order(size); -+ struct page *page; - - if (likely(order)) - gfp |= __GFP_COMP; -- ret = slob_new_pages(gfp, order, node); -+ page = slob_new_pages(gfp, order, node); -+ if (page) { -+ ret = page_address(page); -+ page->private = size; -+ } - - trace_kmalloc_node(caller, ret, - size, PAGE_SIZE << order, gfp, node); - } - -- kmemleak_alloc(ret, size, 1, gfp); - return ret; - } - --void *__kmalloc(size_t size, gfp_t gfp) -+static __always_inline void * -+__do_kmalloc_node(size_t size, gfp_t gfp, int node, unsigned long caller) -+{ -+ int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -+ void *ret = __do_kmalloc_node_align(size, gfp, node, caller, align); -+ -+ if (!ZERO_OR_NULL_PTR(ret)) -+ kmemleak_alloc(ret, size, 1, gfp); -+ return ret; -+} -+ -+void * __size_overflow(1) __kmalloc(size_t size, gfp_t gfp) - { - return __do_kmalloc_node(size, gfp, NUMA_NO_NODE, _RET_IP_); - } -@@ -491,34 +515,123 @@ void kfree(const void *block) - return; - kmemleak_free(block); - -+ VM_BUG_ON(!virt_addr_valid(block)); - sp = virt_to_page(block); -- if (PageSlab(sp)) { -+ VM_BUG_ON(!PageSlab(sp)); -+ if (!sp->private) { - int align = max_t(size_t, ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -- unsigned int *m = (unsigned int *)(block - align); -- slob_free(m, *m + align); -- } else -+ slob_t *m = (slob_t *)(block - align); -+ slob_free(NULL, m, m[0].units + align); -+ } else { -+ __ClearPageSlab(sp); -+ page_mapcount_reset(sp); -+ sp->private = 0; - __free_pages(sp, compound_order(sp)); -+ } - } - EXPORT_SYMBOL(kfree); - -+bool is_usercopy_object(const void *ptr) -+{ -+ if (!slab_is_available()) -+ return false; -+ -+ if (is_vmalloc_addr(ptr) -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ && !object_starts_on_stack(ptr) -+#endif -+ ) { -+ struct vm_struct *vm = find_vm_area(ptr); -+ if (vm && (vm->flags & VM_USERCOPY)) -+ return true; -+ return false; -+ } -+ -+ // PAX: TODO -+ -+ return false; -+} -+ -+#ifdef CONFIG_PAX_USERCOPY -+const char *check_heap_object(const void *ptr, unsigned long n) -+{ -+ struct page *page; -+ const slob_t *free; -+ const void *base; -+ unsigned long flags; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ return "<null>"; -+ -+ if (!virt_addr_valid(ptr)) -+ return NULL; -+ -+ page = virt_to_head_page(ptr); -+ if (!PageSlab(page)) -+ return NULL; -+ -+ if (page->private) { -+ base = page; -+ if (base <= ptr && n <= page->private - (ptr - base)) -+ return NULL; -+ return "<slob>"; -+ } -+ -+ /* some tricky double walking to find the chunk */ -+ spin_lock_irqsave(&slob_lock, flags); -+ base = (void *)((unsigned long)ptr & PAGE_MASK); -+ free = page->freelist; -+ -+ while (!slob_last(free) && (void *)free <= ptr) { -+ base = free + slob_units(free); -+ free = slob_next(free); -+ } -+ -+ while (base < (void *)free) { -+ slobidx_t m = ((slob_t *)base)[0].units, align = ((slob_t *)base)[1].units; -+ int size = SLOB_UNIT * SLOB_UNITS(m + align); -+ int offset; -+ -+ if (ptr < base + align) -+ break; -+ -+ offset = ptr - base - align; -+ if (offset >= m) { -+ base += size; -+ continue; -+ } -+ -+ if (n > m - offset) -+ break; -+ -+ spin_unlock_irqrestore(&slob_lock, flags); -+ return NULL; -+ } -+ -+ spin_unlock_irqrestore(&slob_lock, flags); -+ return "<slob>"; -+} -+#endif -+ - /* can't use ksize for kmem_cache_alloc memory, only kmalloc */ - size_t ksize(const void *block) - { - struct page *sp; - int align; -- unsigned int *m; -+ slob_t *m; - - BUG_ON(!block); - if (unlikely(block == ZERO_SIZE_PTR)) - return 0; - - sp = virt_to_page(block); -- if (unlikely(!PageSlab(sp))) -- return PAGE_SIZE << compound_order(sp); -+ VM_BUG_ON(!PageSlab(sp)); -+ if (sp->private) -+ return sp->private; - - align = max_t(size_t, ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -- m = (unsigned int *)(block - align); -- return SLOB_UNITS(*m) * SLOB_UNIT; -+ m = (slob_t *)(block - align); -+ return SLOB_UNITS(m[0].units) * SLOB_UNIT; - } - EXPORT_SYMBOL(ksize); - -@@ -534,23 +647,33 @@ int __kmem_cache_create(struct kmem_cache *c, unsigned long flags) - - static void *slob_alloc_node(struct kmem_cache *c, gfp_t flags, int node) - { -- void *b; -+ void *b = NULL; - - flags &= gfp_allowed_mask; - - lockdep_trace_alloc(flags); - -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ b = __do_kmalloc_node_align(c->size, flags, node, _RET_IP_, c->align); -+#else - if (c->size < PAGE_SIZE) { - b = slob_alloc(c->size, flags, c->align, node); - trace_kmem_cache_alloc_node(_RET_IP_, b, c->object_size, - SLOB_UNITS(c->size) * SLOB_UNIT, - flags, node); - } else { -- b = slob_new_pages(flags, get_order(c->size), node); -+ struct page *sp; -+ -+ sp = slob_new_pages(flags, get_order(c->size), node); -+ if (sp) { -+ b = page_address(sp); -+ sp->private = c->size; -+ } - trace_kmem_cache_alloc_node(_RET_IP_, b, c->object_size, - PAGE_SIZE << get_order(c->size), - flags, node); - } -+#endif - - if (b && c->ctor) - c->ctor(b); -@@ -566,7 +689,7 @@ void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags) - EXPORT_SYMBOL(kmem_cache_alloc); - - #ifdef CONFIG_NUMA --void *__kmalloc_node(size_t size, gfp_t gfp, int node) -+void * __size_overflow(1) __kmalloc_node(size_t size, gfp_t gfp, int node) - { - return __do_kmalloc_node(size, gfp, node, _RET_IP_); - } -@@ -579,12 +702,16 @@ void *kmem_cache_alloc_node(struct kmem_cache *cachep, gfp_t gfp, int node) - EXPORT_SYMBOL(kmem_cache_alloc_node); - #endif - --static void __kmem_cache_free(void *b, int size) -+static void __kmem_cache_free(struct kmem_cache *c, void *b, int size) - { -- if (size < PAGE_SIZE) -- slob_free(b, size); -+ struct page *sp; -+ -+ sp = virt_to_page(b); -+ BUG_ON(!PageSlab(sp)); -+ if (!sp->private) -+ slob_free(c, b, size); - else -- slob_free_pages(b, get_order(size)); -+ slob_free_pages(sp, get_order(size)); - } - - static void kmem_rcu_free(struct rcu_head *head) -@@ -592,22 +719,36 @@ static void kmem_rcu_free(struct rcu_head *head) - struct slob_rcu *slob_rcu = (struct slob_rcu *)head; - void *b = (void *)slob_rcu - (slob_rcu->size - sizeof(struct slob_rcu)); - -- __kmem_cache_free(b, slob_rcu->size); -+ __kmem_cache_free(NULL, b, slob_rcu->size); - } - - void kmem_cache_free(struct kmem_cache *c, void *b) - { -+ int size = c->size; -+ -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ if (size + c->align < PAGE_SIZE) { -+ size += c->align; -+ b -= c->align; -+ } -+#endif -+ - kmemleak_free_recursive(b, c->flags); - if (unlikely(c->flags & SLAB_DESTROY_BY_RCU)) { - struct slob_rcu *slob_rcu; -- slob_rcu = b + (c->size - sizeof(struct slob_rcu)); -- slob_rcu->size = c->size; -+ slob_rcu = b + (size - sizeof(struct slob_rcu)); -+ slob_rcu->size = size; - call_rcu(&slob_rcu->head, kmem_rcu_free); - } else { -- __kmem_cache_free(b, c->size); -+ __kmem_cache_free(c, b, size); - } - -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ trace_kfree(_RET_IP_, b); -+#else - trace_kmem_cache_free(_RET_IP_, b); -+#endif -+ - } - EXPORT_SYMBOL(kmem_cache_free); - -diff --git a/mm/slub.c b/mm/slub.c -index 54c0876..61847f8 100644 ---- a/mm/slub.c -+++ b/mm/slub.c -@@ -198,7 +198,7 @@ struct track { - - enum track_item { TRACK_ALLOC, TRACK_FREE }; - --#ifdef CONFIG_SYSFS -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - static int sysfs_slab_add(struct kmem_cache *); - static int sysfs_slab_alias(struct kmem_cache *, const char *); - static void memcg_propagate_slab_attrs(struct kmem_cache *s); -@@ -556,7 +556,7 @@ static void print_track(const char *s, struct track *t) - if (!t->addr) - return; - -- pr_err("INFO: %s in %pS age=%lu cpu=%u pid=%d\n", -+ pr_err("INFO: %s in %pA age=%lu cpu=%u pid=%d\n", - s, (void *)t->addr, jiffies - t->when, t->cpu, t->pid); - #ifdef CONFIG_STACKTRACE - { -@@ -1427,7 +1427,7 @@ static struct page *new_slab(struct kmem_cache *s, gfp_t flags, int node) - inc_slabs_node(s, page_to_nid(page), page->objects); - page->slab_cache = s; - __SetPageSlab(page); -- if (page->pfmemalloc) -+ if (page_is_pfmemalloc(page)) - SetPageSlabPfmemalloc(page); - - start = page_address(page); -@@ -2707,6 +2707,14 @@ static __always_inline void slab_free(struct kmem_cache *s, - - slab_free_hook(s, x); - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ if (!(s->flags & SLAB_NO_SANITIZE)) { -+ memset(x, PAX_MEMORY_SANITIZE_VALUE, s->object_size); -+ if (s->ctor) -+ s->ctor(x); -+ } -+#endif -+ - redo: - /* - * Determine the currently cpus per cpu slab. -@@ -3048,6 +3056,9 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order) - s->inuse = size; - - if (((flags & (SLAB_DESTROY_BY_RCU | SLAB_POISON)) || -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ (!(flags & SLAB_NO_SANITIZE)) || -+#endif - s->ctor)) { - /* - * Relocate free pointer after the object if it is not -@@ -3302,7 +3313,7 @@ static int __init setup_slub_min_objects(char *str) - - __setup("slub_min_objects=", setup_slub_min_objects); - --void *__kmalloc(size_t size, gfp_t flags) -+void * __size_overflow(1) __kmalloc(size_t size, gfp_t flags) - { - struct kmem_cache *s; - void *ret; -@@ -3340,7 +3351,7 @@ static void *kmalloc_large_node(size_t size, gfp_t flags, int node) - return ptr; - } - --void *__kmalloc_node(size_t size, gfp_t flags, int node) -+void * __size_overflow(1) __kmalloc_node(size_t size, gfp_t flags, int node) - { - struct kmem_cache *s; - void *ret; -@@ -3388,6 +3399,70 @@ static size_t __ksize(const void *object) - return slab_ksize(page->slab_cache); - } - -+bool is_usercopy_object(const void *ptr) -+{ -+ struct page *page; -+ struct kmem_cache *s; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ return false; -+ -+ if (!slab_is_available()) -+ return false; -+ -+ if (is_vmalloc_addr(ptr) -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ && !object_starts_on_stack(ptr) -+#endif -+ ) { -+ struct vm_struct *vm = find_vm_area(ptr); -+ if (vm && (vm->flags & VM_USERCOPY)) -+ return true; -+ return false; -+ } -+ -+ if (!virt_addr_valid(ptr)) -+ return false; -+ -+ page = virt_to_head_page(ptr); -+ -+ if (!PageSlab(page)) -+ return false; -+ -+ s = page->slab_cache; -+ return s->flags & SLAB_USERCOPY; -+} -+ -+#ifdef CONFIG_PAX_USERCOPY -+const char *check_heap_object(const void *ptr, unsigned long n) -+{ -+ struct page *page; -+ struct kmem_cache *s; -+ unsigned long offset; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ return "<null>"; -+ -+ if (!virt_addr_valid(ptr)) -+ return NULL; -+ -+ page = virt_to_head_page(ptr); -+ -+ if (!PageSlab(page)) -+ return NULL; -+ -+ s = page->slab_cache; -+ if (!(s->flags & SLAB_USERCOPY)) -+ return s->name; -+ -+ offset = (ptr - page_address(page)) % s->size; -+ if (offset <= s->object_size && n <= s->object_size - offset) -+ return NULL; -+ -+ return s->name; -+} -+#endif -+ - size_t ksize(const void *object) - { - size_t size = __ksize(object); -@@ -3408,6 +3483,7 @@ void kfree(const void *x) - if (unlikely(ZERO_OR_NULL_PTR(x))) - return; - -+ VM_BUG_ON(!virt_addr_valid(x)); - page = virt_to_head_page(x); - if (unlikely(!PageSlab(page))) { - BUG_ON(!PageCompound(page)); -@@ -3724,7 +3800,7 @@ __kmem_cache_alias(const char *name, size_t size, size_t align, - - s = find_mergeable(size, align, flags, name, ctor); - if (s) { -- s->refcount++; -+ atomic_inc(&s->refcount); - - /* - * Adjust the object sizes so that we clear -@@ -3740,7 +3816,7 @@ __kmem_cache_alias(const char *name, size_t size, size_t align, - } - - if (sysfs_slab_alias(s, name)) { -- s->refcount--; -+ atomic_dec(&s->refcount); - s = NULL; - } - } -@@ -3857,7 +3933,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags, - } - #endif - --#ifdef CONFIG_SYSFS -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - static int count_inuse(struct page *page) - { - return page->inuse; -@@ -4138,7 +4214,11 @@ static int list_locations(struct kmem_cache *s, char *buf, - len += sprintf(buf + len, "%7ld ", l->count); - - if (l->addr) -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ len += sprintf(buf + len, "%pS", NULL); -+#else - len += sprintf(buf + len, "%pS", (void *)l->addr); -+#endif - else - len += sprintf(buf + len, "<not-available>"); - -@@ -4236,12 +4316,12 @@ static void __init resiliency_test(void) - validate_slab_cache(kmalloc_caches[9]); - } - #else --#ifdef CONFIG_SYSFS -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - static void resiliency_test(void) {}; - #endif - #endif - --#ifdef CONFIG_SYSFS -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - enum slab_stat_type { - SL_ALL, /* All slabs */ - SL_PARTIAL, /* Only partially allocated slabs */ -@@ -4478,13 +4558,17 @@ static ssize_t ctor_show(struct kmem_cache *s, char *buf) - { - if (!s->ctor) - return 0; -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ return sprintf(buf, "%pS\n", NULL); -+#else - return sprintf(buf, "%pS\n", s->ctor); -+#endif - } - SLAB_ATTR_RO(ctor); - - static ssize_t aliases_show(struct kmem_cache *s, char *buf) - { -- return sprintf(buf, "%d\n", s->refcount < 0 ? 0 : s->refcount - 1); -+ return sprintf(buf, "%d\n", atomic_read(&s->refcount) < 0 ? 0 : atomic_read(&s->refcount) - 1); - } - SLAB_ATTR_RO(aliases); - -@@ -4572,6 +4656,22 @@ static ssize_t cache_dma_show(struct kmem_cache *s, char *buf) - SLAB_ATTR_RO(cache_dma); - #endif - -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+static ssize_t usercopy_show(struct kmem_cache *s, char *buf) -+{ -+ return sprintf(buf, "%d\n", !!(s->flags & SLAB_USERCOPY)); -+} -+SLAB_ATTR_RO(usercopy); -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+static ssize_t sanitize_show(struct kmem_cache *s, char *buf) -+{ -+ return sprintf(buf, "%d\n", !(s->flags & SLAB_NO_SANITIZE)); -+} -+SLAB_ATTR_RO(sanitize); -+#endif -+ - static ssize_t destroy_by_rcu_show(struct kmem_cache *s, char *buf) - { - return sprintf(buf, "%d\n", !!(s->flags & SLAB_DESTROY_BY_RCU)); -@@ -4627,7 +4727,7 @@ static ssize_t trace_store(struct kmem_cache *s, const char *buf, - * as well as cause other issues like converting a mergeable - * cache into an umergeable one. - */ -- if (s->refcount > 1) -+ if (atomic_read(&s->refcount) > 1) - return -EINVAL; - - s->flags &= ~SLAB_TRACE; -@@ -4747,7 +4847,7 @@ static ssize_t failslab_show(struct kmem_cache *s, char *buf) - static ssize_t failslab_store(struct kmem_cache *s, const char *buf, - size_t length) - { -- if (s->refcount > 1) -+ if (atomic_read(&s->refcount) > 1) - return -EINVAL; - - s->flags &= ~SLAB_FAILSLAB; -@@ -4914,6 +5014,12 @@ static struct attribute *slab_attrs[] = { - #ifdef CONFIG_ZONE_DMA - &cache_dma_attr.attr, - #endif -+#ifdef CONFIG_PAX_USERCOPY_SLABS -+ &usercopy_attr.attr, -+#endif -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ &sanitize_attr.attr, -+#endif - #ifdef CONFIG_NUMA - &remote_node_defrag_ratio_attr.attr, - #endif -@@ -5155,6 +5261,7 @@ static char *create_unique_id(struct kmem_cache *s) - return name; - } - -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - static int sysfs_slab_add(struct kmem_cache *s) - { - int err; -@@ -5228,6 +5335,7 @@ void sysfs_slab_remove(struct kmem_cache *s) - kobject_del(&s->kobj); - kobject_put(&s->kobj); - } -+#endif - - /* - * Need to buffer aliases during bootup until sysfs becomes -@@ -5241,6 +5349,7 @@ struct saved_alias { - - static struct saved_alias *alias_list; - -+#if defined(CONFIG_SYSFS) && !defined(CONFIG_GRKERNSEC_PROC_ADD) - static int sysfs_slab_alias(struct kmem_cache *s, const char *name) - { - struct saved_alias *al; -@@ -5263,6 +5372,7 @@ static int sysfs_slab_alias(struct kmem_cache *s, const char *name) - alias_list = al; - return 0; - } -+#endif - - static int __init slab_sysfs_init(void) - { -diff --git a/mm/sparse-vmemmap.c b/mm/sparse-vmemmap.c -index 4cba9c2..b4f9fcc 100644 ---- a/mm/sparse-vmemmap.c -+++ b/mm/sparse-vmemmap.c -@@ -131,7 +131,7 @@ pud_t * __meminit vmemmap_pud_populate(pgd_t *pgd, unsigned long addr, int node) - void *p = vmemmap_alloc_block(PAGE_SIZE, node); - if (!p) - return NULL; -- pud_populate(&init_mm, pud, p); -+ pud_populate_kernel(&init_mm, pud, p); - } - return pud; - } -@@ -143,7 +143,7 @@ pgd_t * __meminit vmemmap_pgd_populate(unsigned long addr, int node) - void *p = vmemmap_alloc_block(PAGE_SIZE, node); - if (!p) - return NULL; -- pgd_populate(&init_mm, pgd, p); -+ pgd_populate_kernel(&init_mm, pgd, p); - } - return pgd; - } -diff --git a/mm/sparse.c b/mm/sparse.c -index d1b48b6..6e8590e 100644 ---- a/mm/sparse.c -+++ b/mm/sparse.c -@@ -750,7 +750,7 @@ static void clear_hwpoisoned_pages(struct page *memmap, int nr_pages) - - for (i = 0; i < PAGES_PER_SECTION; i++) { - if (PageHWPoison(&memmap[i])) { -- atomic_long_sub(1, &num_poisoned_pages); -+ atomic_long_sub_unchecked(1, &num_poisoned_pages); - ClearPageHWPoison(&memmap[i]); - } - } -diff --git a/mm/swap.c b/mm/swap.c -index a7251a8..ac754a9 100644 ---- a/mm/swap.c -+++ b/mm/swap.c -@@ -85,6 +85,8 @@ static void __put_compound_page(struct page *page) - if (!PageHuge(page)) - __page_cache_release(page); - dtor = get_compound_page_dtor(page); -+ if (!PageHuge(page)) -+ BUG_ON(dtor != free_compound_page); - (*dtor)(page); - } - -diff --git a/mm/swapfile.c b/mm/swapfile.c -index a7e7210..b286e7d 100644 ---- a/mm/swapfile.c -+++ b/mm/swapfile.c -@@ -84,7 +84,7 @@ static DEFINE_MUTEX(swapon_mutex); - - static DECLARE_WAIT_QUEUE_HEAD(proc_poll_wait); - /* Activity counter to indicate that a swapon or swapoff has occurred */ --static atomic_t proc_poll_event = ATOMIC_INIT(0); -+static atomic_unchecked_t proc_poll_event = ATOMIC_INIT(0); - - static inline unsigned char swap_count(unsigned char ent) - { -@@ -1944,7 +1944,7 @@ SYSCALL_DEFINE1(swapoff, const char __user *, specialfile) - spin_unlock(&swap_lock); - - err = 0; -- atomic_inc(&proc_poll_event); -+ atomic_inc_unchecked(&proc_poll_event); - wake_up_interruptible(&proc_poll_wait); - - out_dput: -@@ -1961,8 +1961,8 @@ static unsigned swaps_poll(struct file *file, poll_table *wait) - - poll_wait(file, &proc_poll_wait, wait); - -- if (seq->poll_event != atomic_read(&proc_poll_event)) { -- seq->poll_event = atomic_read(&proc_poll_event); -+ if (seq->poll_event != atomic_read_unchecked(&proc_poll_event)) { -+ seq->poll_event = atomic_read_unchecked(&proc_poll_event); - return POLLIN | POLLRDNORM | POLLERR | POLLPRI; - } - -@@ -2060,7 +2060,7 @@ static int swaps_open(struct inode *inode, struct file *file) - return ret; - - seq = file->private_data; -- seq->poll_event = atomic_read(&proc_poll_event); -+ seq->poll_event = atomic_read_unchecked(&proc_poll_event); - return 0; - } - -@@ -2520,7 +2520,7 @@ SYSCALL_DEFINE2(swapon, const char __user *, specialfile, int, swap_flags) - (frontswap_map) ? "FS" : ""); - - mutex_unlock(&swapon_mutex); -- atomic_inc(&proc_poll_event); -+ atomic_inc_unchecked(&proc_poll_event); - wake_up_interruptible(&proc_poll_wait); - - if (S_ISREG(inode->i_mode)) -diff --git a/mm/util.c b/mm/util.c -index 68ff8a5..40c7a70 100644 ---- a/mm/util.c -+++ b/mm/util.c -@@ -233,6 +233,12 @@ struct task_struct *task_of_stack(struct task_struct *task, - void arch_pick_mmap_layout(struct mm_struct *mm) - { - mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - } - #endif -@@ -434,6 +440,9 @@ int get_cmdline(struct task_struct *task, char *buffer, int buflen) - if (!mm->arg_end) - goto out_mm; /* Shh! No looking before we're done */ - -+ if (gr_acl_handle_procpidmem(task)) -+ goto out_mm; -+ - len = mm->arg_end - mm->arg_start; - - if (len > buflen) -diff --git a/mm/vmalloc.c b/mm/vmalloc.c -index 2faaa29..37314a8 100644 ---- a/mm/vmalloc.c -+++ b/mm/vmalloc.c -@@ -40,20 +40,65 @@ struct vfree_deferred { - struct work_struct wq; - }; - static DEFINE_PER_CPU(struct vfree_deferred, vfree_deferred); -+static DEFINE_PER_CPU(struct vfree_deferred, vunmap_deferred); -+ -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+struct stack_deferred_llist { -+ struct llist_head list; -+ void *stack; -+ void *lowmem_stack; -+}; -+ -+struct stack_deferred { -+ struct stack_deferred_llist list; -+ struct work_struct wq; -+}; -+ -+static DEFINE_PER_CPU(struct stack_deferred, stack_deferred); -+#endif - - static void __vunmap(const void *, int); - --static void free_work(struct work_struct *w) -+static void vfree_work(struct work_struct *w) - { - struct vfree_deferred *p = container_of(w, struct vfree_deferred, wq); - struct llist_node *llnode = llist_del_all(&p->list); - while (llnode) { -- void *p = llnode; -+ void *x = llnode; - llnode = llist_next(llnode); -- __vunmap(p, 1); -+ __vunmap(x, 1); - } - } - -+static void vunmap_work(struct work_struct *w) -+{ -+ struct vfree_deferred *p = container_of(w, struct vfree_deferred, wq); -+ struct llist_node *llnode = llist_del_all(&p->list); -+ while (llnode) { -+ void *x = llnode; -+ llnode = llist_next(llnode); -+ __vunmap(x, 0); -+ } -+} -+ -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+static void unmap_work(struct work_struct *w) -+{ -+ struct stack_deferred *p = container_of(w, struct stack_deferred, wq); -+ struct llist_node *llnode = llist_del_all(&p->list.list); -+ while (llnode) { -+ struct stack_deferred_llist *x = -+ llist_entry((struct llist_head *)llnode, -+ struct stack_deferred_llist, list); -+ void *stack = ACCESS_ONCE(x->stack); -+ void *lowmem_stack = ACCESS_ONCE(x->lowmem_stack); -+ llnode = llist_next(llnode); -+ __vunmap(stack, 0); -+ free_kmem_pages((unsigned long)lowmem_stack, THREAD_SIZE_ORDER); -+ } -+} -+#endif -+ - /*** Page table manipulation functions ***/ - - static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end) -@@ -62,8 +107,19 @@ static void vunmap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end) - - pte = pte_offset_kernel(pmd, addr); - do { -- pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte); -- WARN_ON(!pte_none(ptent) && !pte_present(ptent)); -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr < (unsigned long)MODULES_EXEC_END) { -+ BUG_ON(!pte_exec(*pte)); -+ set_pte_at(&init_mm, addr, pte, pfn_pte(__pa(addr) >> PAGE_SHIFT, PAGE_KERNEL_EXEC)); -+ continue; -+ } -+#endif -+ -+ { -+ pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte); -+ WARN_ON(!pte_none(ptent) && !pte_present(ptent)); -+ } - } while (pte++, addr += PAGE_SIZE, addr != end); - } - -@@ -127,16 +183,29 @@ static int vmap_pte_range(pmd_t *pmd, unsigned long addr, - pte = pte_alloc_kernel(pmd, addr); - if (!pte) - return -ENOMEM; -+ -+ pax_open_kernel(); - do { - struct page *page = pages[*nr]; - -- if (WARN_ON(!pte_none(*pte))) -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (pgprot_val(prot) & _PAGE_NX) -+#endif -+ -+ if (!pte_none(*pte)) { -+ pax_close_kernel(); -+ WARN_ON(1); - return -EBUSY; -- if (WARN_ON(!page)) -+ } -+ if (!page) { -+ pax_close_kernel(); -+ WARN_ON(1); - return -ENOMEM; -+ } - set_pte_at(&init_mm, addr, pte, mk_pte(page, prot)); - (*nr)++; - } while (pte++, addr += PAGE_SIZE, addr != end); -+ pax_close_kernel(); - return 0; - } - -@@ -146,7 +215,7 @@ static int vmap_pmd_range(pud_t *pud, unsigned long addr, - pmd_t *pmd; - unsigned long next; - -- pmd = pmd_alloc(&init_mm, pud, addr); -+ pmd = pmd_alloc_kernel(&init_mm, pud, addr); - if (!pmd) - return -ENOMEM; - do { -@@ -163,7 +232,7 @@ static int vmap_pud_range(pgd_t *pgd, unsigned long addr, - pud_t *pud; - unsigned long next; - -- pud = pud_alloc(&init_mm, pgd, addr); -+ pud = pud_alloc_kernel(&init_mm, pgd, addr); - if (!pud) - return -ENOMEM; - do { -@@ -223,6 +292,12 @@ int is_vmalloc_or_module_addr(const void *x) - if (addr >= MODULES_VADDR && addr < MODULES_END) - return 1; - #endif -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (x >= (const void *)MODULES_EXEC_VADDR && x < (const void *)MODULES_EXEC_END) -+ return 1; -+#endif -+ - return is_vmalloc_addr(x); - } - -@@ -243,8 +318,14 @@ struct page *vmalloc_to_page(const void *vmalloc_addr) - - if (!pgd_none(*pgd)) { - pud_t *pud = pud_offset(pgd, addr); -+#ifdef CONFIG_X86 -+ if (!pud_large(*pud)) -+#endif - if (!pud_none(*pud)) { - pmd_t *pmd = pmd_offset(pud, addr); -+#ifdef CONFIG_X86 -+ if (!pmd_large(*pmd)) -+#endif - if (!pmd_none(*pmd)) { - pte_t *ptep, pte; - -@@ -346,7 +427,7 @@ static void purge_vmap_area_lazy(void); - * Allocate a region of KVA of the specified size and alignment, within the - * vstart and vend. - */ --static struct vmap_area *alloc_vmap_area(unsigned long size, -+static struct vmap_area * __size_overflow(1) alloc_vmap_area(unsigned long size, - unsigned long align, - unsigned long vstart, unsigned long vend, - int node, gfp_t gfp_mask) -@@ -1202,13 +1283,27 @@ void __init vmalloc_init(void) - for_each_possible_cpu(i) { - struct vmap_block_queue *vbq; - struct vfree_deferred *p; -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ struct stack_deferred *p2; -+#endif - - vbq = &per_cpu(vmap_block_queue, i); - spin_lock_init(&vbq->lock); - INIT_LIST_HEAD(&vbq->free); -+ - p = &per_cpu(vfree_deferred, i); - init_llist_head(&p->list); -- INIT_WORK(&p->wq, free_work); -+ INIT_WORK(&p->wq, vfree_work); -+ -+ p = &per_cpu(vunmap_deferred, i); -+ init_llist_head(&p->list); -+ INIT_WORK(&p->wq, vunmap_work); -+ -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+ p2 = &per_cpu(stack_deferred, i); -+ init_llist_head(&p2->list.list); -+ INIT_WORK(&p2->wq, unmap_work); -+#endif - } - - /* Import existing vmlist entries. */ -@@ -1333,6 +1428,16 @@ static struct vm_struct *__get_vm_area_node(unsigned long size, - struct vm_struct *area; - - BUG_ON(in_interrupt()); -+ -+#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+ if (flags & VM_KERNEXEC) { -+ if (start != VMALLOC_START || end != VMALLOC_END) -+ return NULL; -+ start = (unsigned long)MODULES_EXEC_VADDR; -+ end = (unsigned long)MODULES_EXEC_END; -+ } -+#endif -+ - if (flags & VM_IOREMAP) - align = 1ul << clamp_t(int, fls_long(size), - PAGE_SHIFT, IOREMAP_MAX_ORDER); -@@ -1531,13 +1636,36 @@ EXPORT_SYMBOL(vfree); - */ - void vunmap(const void *addr) - { -- BUG_ON(in_interrupt()); -- might_sleep(); -- if (addr) -+ if (!addr) -+ return; -+ if (unlikely(in_interrupt())) { -+ struct vfree_deferred *p = this_cpu_ptr(&vunmap_deferred); -+ if (llist_add((struct llist_node *)addr, &p->list)) -+ schedule_work(&p->wq); -+ } else { -+ might_sleep(); - __vunmap(addr, 0); -+ } - } - EXPORT_SYMBOL(vunmap); - -+#ifdef CONFIG_GRKERNSEC_KSTACKOVERFLOW -+void unmap_process_stacks(struct task_struct *task) -+{ -+ if (unlikely(in_interrupt())) { -+ struct stack_deferred *p = this_cpu_ptr(&stack_deferred); -+ struct stack_deferred_llist *list = task->stack; -+ list->stack = task->stack; -+ list->lowmem_stack = task->lowmem_stack; -+ if (llist_add((struct llist_node *)&list->list, &p->list.list)) -+ schedule_work(&p->wq); -+ } else { -+ __vunmap(task->stack, 0); -+ free_kmem_pages((unsigned long)task->lowmem_stack, THREAD_SIZE_ORDER); -+ } -+} -+#endif -+ - /** - * vmap - map an array of pages into virtually contiguous space - * @pages: array of page pointers -@@ -1558,6 +1686,11 @@ void *vmap(struct page **pages, unsigned int count, - if (count > totalram_pages) - return NULL; - -+#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+ if (!(pgprot_val(prot) & _PAGE_NX)) -+ flags |= VM_KERNEXEC; -+#endif -+ - area = get_vm_area_caller((count << PAGE_SHIFT), flags, - __builtin_return_address(0)); - if (!area) -@@ -1662,6 +1795,14 @@ void *__vmalloc_node_range(unsigned long size, unsigned long align, - if (!size || (size >> PAGE_SHIFT) > totalram_pages) - goto fail; - -+#if defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+ if (!(pgprot_val(prot) & _PAGE_NX)) { -+ vm_flags |= VM_KERNEXEC; -+ start = VMALLOC_START; -+ end = VMALLOC_END; -+ } -+#endif -+ - area = __get_vm_area_node(size, align, VM_ALLOC | VM_UNINITIALIZED | - vm_flags, start, end, node, gfp_mask, caller); - if (!area) -@@ -1715,6 +1856,14 @@ static void *__vmalloc_node(unsigned long size, unsigned long align, - gfp_mask, prot, 0, node, caller); - } - -+void *vmalloc_usercopy(unsigned long size) -+{ -+ return __vmalloc_node_range(size, 1, VMALLOC_START, VMALLOC_END, -+ GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL, -+ VM_USERCOPY, NUMA_NO_NODE, -+ __builtin_return_address(0)); -+} -+ - void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot) - { - return __vmalloc_node(size, 1, gfp_mask, prot, NUMA_NO_NODE, -@@ -1838,10 +1987,9 @@ EXPORT_SYMBOL(vzalloc_node); - * For tight control over page level allocator and protection flags - * use __vmalloc() instead. - */ -- - void *vmalloc_exec(unsigned long size) - { -- return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC, -+ return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL_EXEC, - NUMA_NO_NODE, __builtin_return_address(0)); - } - -@@ -2148,6 +2296,8 @@ int remap_vmalloc_range_partial(struct vm_area_struct *vma, unsigned long uaddr, - { - struct vm_struct *area; - -+ BUG_ON(vma->vm_mirror); -+ - size = PAGE_ALIGN(size); - - if (!PAGE_ALIGNED(uaddr) || !PAGE_ALIGNED(kaddr)) -@@ -2630,7 +2780,11 @@ static int s_show(struct seq_file *m, void *p) - v->addr, v->addr + v->size, v->size); - - if (v->caller) -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(m, " %pK", v->caller); -+#else - seq_printf(m, " %pS", v->caller); -+#endif - - if (v->nr_pages) - seq_printf(m, " pages=%d", v->nr_pages); -diff --git a/mm/vmstat.c b/mm/vmstat.c -index 4f5cd97..9fb715a 100644 ---- a/mm/vmstat.c -+++ b/mm/vmstat.c -@@ -27,6 +27,7 @@ - #include <linux/mm_inline.h> - #include <linux/page_ext.h> - #include <linux/page_owner.h> -+#include <linux/grsecurity.h> - - #include "internal.h" - -@@ -86,7 +87,7 @@ void vm_events_fold_cpu(int cpu) - * - * vm_stat contains the global counters - */ --atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS] __cacheline_aligned_in_smp; -+atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS] __cacheline_aligned_in_smp; - EXPORT_SYMBOL(vm_stat); - - #ifdef CONFIG_SMP -@@ -438,7 +439,7 @@ static int fold_diff(int *diff) - - for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) - if (diff[i]) { -- atomic_long_add(diff[i], &vm_stat[i]); -+ atomic_long_add_unchecked(diff[i], &vm_stat[i]); - changes++; - } - return changes; -@@ -476,7 +477,7 @@ static int refresh_cpu_vm_stats(void) - v = this_cpu_xchg(p->vm_stat_diff[i], 0); - if (v) { - -- atomic_long_add(v, &zone->vm_stat[i]); -+ atomic_long_add_unchecked(v, &zone->vm_stat[i]); - global_diff[i] += v; - #ifdef CONFIG_NUMA - /* 3 seconds idle till flush */ -@@ -540,7 +541,7 @@ void cpu_vm_stats_fold(int cpu) - - v = p->vm_stat_diff[i]; - p->vm_stat_diff[i] = 0; -- atomic_long_add(v, &zone->vm_stat[i]); -+ atomic_long_add_unchecked(v, &zone->vm_stat[i]); - global_diff[i] += v; - } - } -@@ -560,8 +561,8 @@ void drain_zonestat(struct zone *zone, struct per_cpu_pageset *pset) - if (pset->vm_stat_diff[i]) { - int v = pset->vm_stat_diff[i]; - pset->vm_stat_diff[i] = 0; -- atomic_long_add(v, &zone->vm_stat[i]); -- atomic_long_add(v, &vm_stat[i]); -+ atomic_long_add_unchecked(v, &zone->vm_stat[i]); -+ atomic_long_add_unchecked(v, &vm_stat[i]); - } - } - #endif -@@ -1293,10 +1294,22 @@ static void *vmstat_start(struct seq_file *m, loff_t *pos) - stat_items_size += sizeof(struct vm_event_state); - #endif - -- v = kmalloc(stat_items_size, GFP_KERNEL); -+ v = kzalloc(stat_items_size, GFP_KERNEL); - m->private = v; - if (!v) - return ERR_PTR(-ENOMEM); -+ -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (!uid_eq(current_uid(), GLOBAL_ROOT_UID) -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ && !in_group_p(grsec_proc_gid) -+#endif -+ ) -+ return (unsigned long *)m->private + *pos; -+#endif -+#endif -+ - for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) - v[i] = global_page_state(i); - v += NR_VM_ZONE_STAT_ITEMS; -@@ -1528,10 +1541,16 @@ static int __init setup_vmstat(void) - cpu_notifier_register_done(); - #endif - #ifdef CONFIG_PROC_FS -- proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations); -- proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops); -- proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations); -- proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations); -+ { -+ mode_t gr_mode = S_IRUGO; -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ gr_mode = S_IRUSR; -+#endif -+ proc_create("buddyinfo", gr_mode, NULL, &fragmentation_file_operations); -+ proc_create("pagetypeinfo", gr_mode, NULL, &pagetypeinfo_file_ops); -+ proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations); -+ proc_create("zoneinfo", gr_mode, NULL, &proc_zoneinfo_file_operations); -+ } - #endif - return 0; - } -diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c -index 59555f0..fd7ade9 100644 ---- a/net/8021q/vlan.c -+++ b/net/8021q/vlan.c -@@ -491,7 +491,7 @@ out: - return NOTIFY_DONE; - } - --static struct notifier_block vlan_notifier_block __read_mostly = { -+static struct notifier_block vlan_notifier_block = { - .notifier_call = vlan_device_event, - }; - -@@ -566,8 +566,7 @@ static int vlan_ioctl_handler(struct net *net, void __user *arg) - err = -EPERM; - if (!ns_capable(net->user_ns, CAP_NET_ADMIN)) - break; -- if ((args.u.name_type >= 0) && -- (args.u.name_type < VLAN_NAME_TYPE_HIGHEST)) { -+ if (args.u.name_type < VLAN_NAME_TYPE_HIGHEST) { - struct vlan_net *vn; - - vn = net_generic(net, vlan_net_id); -diff --git a/net/8021q/vlan_netlink.c b/net/8021q/vlan_netlink.c -index c92b52f..006c052 100644 ---- a/net/8021q/vlan_netlink.c -+++ b/net/8021q/vlan_netlink.c -@@ -245,7 +245,7 @@ static struct net *vlan_get_link_net(const struct net_device *dev) - return dev_net(real_dev); - } - --struct rtnl_link_ops vlan_link_ops __read_mostly = { -+struct rtnl_link_ops vlan_link_ops = { - .kind = "vlan", - .maxtype = IFLA_VLAN_MAX, - .policy = vlan_policy, -diff --git a/net/9p/mod.c b/net/9p/mod.c -index 6ab36ae..6f1841b 100644 ---- a/net/9p/mod.c -+++ b/net/9p/mod.c -@@ -84,7 +84,7 @@ static LIST_HEAD(v9fs_trans_list); - void v9fs_register_trans(struct p9_trans_module *m) - { - spin_lock(&v9fs_trans_lock); -- list_add_tail(&m->list, &v9fs_trans_list); -+ pax_list_add_tail((struct list_head *)&m->list, &v9fs_trans_list); - spin_unlock(&v9fs_trans_lock); - } - EXPORT_SYMBOL(v9fs_register_trans); -@@ -97,7 +97,7 @@ EXPORT_SYMBOL(v9fs_register_trans); - void v9fs_unregister_trans(struct p9_trans_module *m) - { - spin_lock(&v9fs_trans_lock); -- list_del_init(&m->list); -+ pax_list_del_init((struct list_head *)&m->list); - spin_unlock(&v9fs_trans_lock); - } - EXPORT_SYMBOL(v9fs_unregister_trans); -diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c -index bced8c0..ef253b7 100644 ---- a/net/9p/trans_fd.c -+++ b/net/9p/trans_fd.c -@@ -428,7 +428,7 @@ static int p9_fd_write(struct p9_client *client, void *v, int len) - oldfs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ -- ret = vfs_write(ts->wr, (__force void __user *)v, len, &ts->wr->f_pos); -+ ret = vfs_write(ts->wr, (void __force_user *)v, len, &ts->wr->f_pos); - set_fs(oldfs); - - if (ret <= 0 && ret != -ERESTARTSYS && ret != -EAGAIN) -diff --git a/net/appletalk/atalk_proc.c b/net/appletalk/atalk_proc.c -index af46bc4..f9adfcd 100644 ---- a/net/appletalk/atalk_proc.c -+++ b/net/appletalk/atalk_proc.c -@@ -256,7 +256,7 @@ int __init atalk_proc_init(void) - struct proc_dir_entry *p; - int rc = -ENOMEM; - -- atalk_proc_dir = proc_mkdir("atalk", init_net.proc_net); -+ atalk_proc_dir = proc_mkdir_restrict("atalk", init_net.proc_net); - if (!atalk_proc_dir) - goto out; - -diff --git a/net/atm/atm_misc.c b/net/atm/atm_misc.c -index 876fbe8..8bbea9f 100644 ---- a/net/atm/atm_misc.c -+++ b/net/atm/atm_misc.c -@@ -17,7 +17,7 @@ int atm_charge(struct atm_vcc *vcc, int truesize) - if (atomic_read(&sk_atm(vcc)->sk_rmem_alloc) <= sk_atm(vcc)->sk_rcvbuf) - return 1; - atm_return(vcc, truesize); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return 0; - } - EXPORT_SYMBOL(atm_charge); -@@ -39,7 +39,7 @@ struct sk_buff *atm_alloc_charge(struct atm_vcc *vcc, int pdu_size, - } - } - atm_return(vcc, guess); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return NULL; - } - EXPORT_SYMBOL(atm_alloc_charge); -@@ -86,7 +86,7 @@ EXPORT_SYMBOL(atm_pcr_goal); - - void sonet_copy_stats(struct k_sonet_stats *from, struct sonet_stats *to) - { --#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i) -+#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i) - __SONET_ITEMS - #undef __HANDLE_ITEM - } -@@ -94,7 +94,7 @@ EXPORT_SYMBOL(sonet_copy_stats); - - void sonet_subtract_stats(struct k_sonet_stats *from, struct sonet_stats *to) - { --#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i) -+#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i,&from->i) - __SONET_ITEMS - #undef __HANDLE_ITEM - } -diff --git a/net/atm/lec.c b/net/atm/lec.c -index cd3b379..977a3c9 100644 ---- a/net/atm/lec.c -+++ b/net/atm/lec.c -@@ -111,9 +111,9 @@ static inline void lec_arp_put(struct lec_arp_table *entry) - } - - static struct lane2_ops lane2_ops = { -- lane2_resolve, /* resolve, spec 3.1.3 */ -- lane2_associate_req, /* associate_req, spec 3.1.4 */ -- NULL /* associate indicator, spec 3.1.5 */ -+ .resolve = lane2_resolve, -+ .associate_req = lane2_associate_req, -+ .associate_indicator = NULL - }; - - static unsigned char bus_mac[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; -diff --git a/net/atm/lec.h b/net/atm/lec.h -index 4149db1..f2ab682 100644 ---- a/net/atm/lec.h -+++ b/net/atm/lec.h -@@ -48,7 +48,7 @@ struct lane2_ops { - const u8 *tlvs, u32 sizeoftlvs); - void (*associate_indicator) (struct net_device *dev, const u8 *mac_addr, - const u8 *tlvs, u32 sizeoftlvs); --}; -+} __no_const; - - /* - * ATM LAN Emulation supports both LLC & Dix Ethernet EtherType -diff --git a/net/atm/mpoa_caches.c b/net/atm/mpoa_caches.c -index d1b2d9a..d549f7f 100644 ---- a/net/atm/mpoa_caches.c -+++ b/net/atm/mpoa_caches.c -@@ -535,30 +535,30 @@ static void eg_destroy_cache(struct mpoa_client *mpc) - - - static struct in_cache_ops ingress_ops = { -- in_cache_add_entry, /* add_entry */ -- in_cache_get, /* get */ -- in_cache_get_with_mask, /* get_with_mask */ -- in_cache_get_by_vcc, /* get_by_vcc */ -- in_cache_put, /* put */ -- in_cache_remove_entry, /* remove_entry */ -- cache_hit, /* cache_hit */ -- clear_count_and_expired, /* clear_count */ -- check_resolving_entries, /* check_resolving */ -- refresh_entries, /* refresh */ -- in_destroy_cache /* destroy_cache */ -+ .add_entry = in_cache_add_entry, -+ .get = in_cache_get, -+ .get_with_mask = in_cache_get_with_mask, -+ .get_by_vcc = in_cache_get_by_vcc, -+ .put = in_cache_put, -+ .remove_entry = in_cache_remove_entry, -+ .cache_hit = cache_hit, -+ .clear_count = clear_count_and_expired, -+ .check_resolving = check_resolving_entries, -+ .refresh = refresh_entries, -+ .destroy_cache = in_destroy_cache - }; - - static struct eg_cache_ops egress_ops = { -- eg_cache_add_entry, /* add_entry */ -- eg_cache_get_by_cache_id, /* get_by_cache_id */ -- eg_cache_get_by_tag, /* get_by_tag */ -- eg_cache_get_by_vcc, /* get_by_vcc */ -- eg_cache_get_by_src_ip, /* get_by_src_ip */ -- eg_cache_put, /* put */ -- eg_cache_remove_entry, /* remove_entry */ -- update_eg_cache_entry, /* update */ -- clear_expired, /* clear_expired */ -- eg_destroy_cache /* destroy_cache */ -+ .add_entry = eg_cache_add_entry, -+ .get_by_cache_id = eg_cache_get_by_cache_id, -+ .get_by_tag = eg_cache_get_by_tag, -+ .get_by_vcc = eg_cache_get_by_vcc, -+ .get_by_src_ip = eg_cache_get_by_src_ip, -+ .put = eg_cache_put, -+ .remove_entry = eg_cache_remove_entry, -+ .update = update_eg_cache_entry, -+ .clear_expired = clear_expired, -+ .destroy_cache = eg_destroy_cache - }; - - -diff --git a/net/atm/proc.c b/net/atm/proc.c -index bbb6461..cf04016 100644 ---- a/net/atm/proc.c -+++ b/net/atm/proc.c -@@ -45,9 +45,9 @@ static void add_stats(struct seq_file *seq, const char *aal, - const struct k_atm_aal_stats *stats) - { - seq_printf(seq, "%s ( %d %d %d %d %d )", aal, -- atomic_read(&stats->tx), atomic_read(&stats->tx_err), -- atomic_read(&stats->rx), atomic_read(&stats->rx_err), -- atomic_read(&stats->rx_drop)); -+ atomic_read_unchecked(&stats->tx),atomic_read_unchecked(&stats->tx_err), -+ atomic_read_unchecked(&stats->rx),atomic_read_unchecked(&stats->rx_err), -+ atomic_read_unchecked(&stats->rx_drop)); - } - - static void atm_dev_info(struct seq_file *seq, const struct atm_dev *dev) -diff --git a/net/atm/resources.c b/net/atm/resources.c -index 0447d5d..3cf4728 100644 ---- a/net/atm/resources.c -+++ b/net/atm/resources.c -@@ -160,7 +160,7 @@ EXPORT_SYMBOL(atm_dev_deregister); - static void copy_aal_stats(struct k_atm_aal_stats *from, - struct atm_aal_stats *to) - { --#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i) -+#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i) - __AAL_STAT_ITEMS - #undef __HANDLE_ITEM - } -@@ -168,7 +168,7 @@ static void copy_aal_stats(struct k_atm_aal_stats *from, - static void subtract_aal_stats(struct k_atm_aal_stats *from, - struct atm_aal_stats *to) - { --#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i) -+#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i, &from->i) - __AAL_STAT_ITEMS - #undef __HANDLE_ITEM - } -diff --git a/net/ax25/ax25_subr.c b/net/ax25/ax25_subr.c -index 1997538..3b78e84 100644 ---- a/net/ax25/ax25_subr.c -+++ b/net/ax25/ax25_subr.c -@@ -264,6 +264,7 @@ void ax25_disconnect(ax25_cb *ax25, int reason) - { - ax25_clear_queues(ax25); - -+ ax25_stop_heartbeat(ax25); - ax25_stop_t1timer(ax25); - ax25_stop_t2timer(ax25); - ax25_stop_t3timer(ax25); -diff --git a/net/ax25/sysctl_net_ax25.c b/net/ax25/sysctl_net_ax25.c -index 919a5ce..cc6b444 100644 ---- a/net/ax25/sysctl_net_ax25.c -+++ b/net/ax25/sysctl_net_ax25.c -@@ -152,7 +152,7 @@ int ax25_register_dev_sysctl(ax25_dev *ax25_dev) - { - char path[sizeof("net/ax25/") + IFNAMSIZ]; - int k; -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(ax25_param_table, sizeof(ax25_param_table), GFP_KERNEL); - if (!table) -diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c -index 00e00e0..710fcd2 100644 ---- a/net/batman-adv/bat_iv_ogm.c -+++ b/net/batman-adv/bat_iv_ogm.c -@@ -312,7 +312,7 @@ static int batadv_iv_ogm_iface_enable(struct batadv_hard_iface *hard_iface) - - /* randomize initial seqno to avoid collision */ - get_random_bytes(&random_seqno, sizeof(random_seqno)); -- atomic_set(&hard_iface->bat_iv.ogm_seqno, random_seqno); -+ atomic_set_unchecked(&hard_iface->bat_iv.ogm_seqno, random_seqno); - - hard_iface->bat_iv.ogm_buff_len = BATADV_OGM_HLEN; - ogm_buff = kmalloc(hard_iface->bat_iv.ogm_buff_len, GFP_ATOMIC); -@@ -917,9 +917,9 @@ static void batadv_iv_ogm_schedule(struct batadv_hard_iface *hard_iface) - batadv_ogm_packet->tvlv_len = htons(tvlv_len); - - /* change sequence number to network order */ -- seqno = (uint32_t)atomic_read(&hard_iface->bat_iv.ogm_seqno); -+ seqno = (uint32_t)atomic_read_unchecked(&hard_iface->bat_iv.ogm_seqno); - batadv_ogm_packet->seqno = htonl(seqno); -- atomic_inc(&hard_iface->bat_iv.ogm_seqno); -+ atomic_inc_unchecked(&hard_iface->bat_iv.ogm_seqno); - - batadv_iv_ogm_slide_own_bcast_window(hard_iface); - -@@ -1596,7 +1596,7 @@ static void batadv_iv_ogm_process(const struct sk_buff *skb, int ogm_offset, - return; - - /* could be changed by schedule_own_packet() */ -- if_incoming_seqno = atomic_read(&if_incoming->bat_iv.ogm_seqno); -+ if_incoming_seqno = atomic_read_unchecked(&if_incoming->bat_iv.ogm_seqno); - - if (ogm_packet->flags & BATADV_DIRECTLINK) - has_directlink_flag = true; -diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c -index 3d1dcaa..4699f4e 100644 ---- a/net/batman-adv/fragmentation.c -+++ b/net/batman-adv/fragmentation.c -@@ -449,7 +449,7 @@ bool batadv_frag_send_packet(struct sk_buff *skb, - frag_header.packet_type = BATADV_UNICAST_FRAG; - frag_header.version = BATADV_COMPAT_VERSION; - frag_header.ttl = BATADV_TTL; -- frag_header.seqno = htons(atomic_inc_return(&bat_priv->frag_seqno)); -+ frag_header.seqno = htons(atomic_inc_return_unchecked(&bat_priv->frag_seqno)); - frag_header.reserved = 0; - frag_header.no = 0; - frag_header.total_size = htons(skb->len); -diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c -index 5ec31d7..e371631 100644 ---- a/net/batman-adv/soft-interface.c -+++ b/net/batman-adv/soft-interface.c -@@ -295,7 +295,7 @@ send: - primary_if->net_dev->dev_addr); - - /* set broadcast sequence number */ -- seqno = atomic_inc_return(&bat_priv->bcast_seqno); -+ seqno = atomic_inc_return_unchecked(&bat_priv->bcast_seqno); - bcast_packet->seqno = htonl(seqno); - - batadv_add_bcast_packet_to_list(bat_priv, skb, brd_delay); -@@ -760,7 +760,7 @@ static int batadv_softif_init_late(struct net_device *dev) - atomic_set(&bat_priv->batman_queue_left, BATADV_BATMAN_QUEUE_LEN); - - atomic_set(&bat_priv->mesh_state, BATADV_MESH_INACTIVE); -- atomic_set(&bat_priv->bcast_seqno, 1); -+ atomic_set_unchecked(&bat_priv->bcast_seqno, 1); - atomic_set(&bat_priv->tt.vn, 0); - atomic_set(&bat_priv->tt.local_changes, 0); - atomic_set(&bat_priv->tt.ogm_append_cnt, 0); -@@ -774,7 +774,7 @@ static int batadv_softif_init_late(struct net_device *dev) - - /* randomize initial seqno to avoid collision */ - get_random_bytes(&random_seqno, sizeof(random_seqno)); -- atomic_set(&bat_priv->frag_seqno, random_seqno); -+ atomic_set_unchecked(&bat_priv->frag_seqno, random_seqno); - - bat_priv->primary_if = NULL; - bat_priv->num_ifaces = 0; -@@ -982,7 +982,7 @@ int batadv_softif_is_valid(const struct net_device *net_dev) - return 0; - } - --struct rtnl_link_ops batadv_link_ops __read_mostly = { -+struct rtnl_link_ops batadv_link_ops = { - .kind = "batadv", - .priv_size = sizeof(struct batadv_priv), - .setup = batadv_softif_init_early, -diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h -index 9398c3f..0e79657 100644 ---- a/net/batman-adv/types.h -+++ b/net/batman-adv/types.h -@@ -67,7 +67,7 @@ enum batadv_dhcp_recipient { - struct batadv_hard_iface_bat_iv { - unsigned char *ogm_buff; - int ogm_buff_len; -- atomic_t ogm_seqno; -+ atomic_unchecked_t ogm_seqno; - }; - - /** -@@ -766,7 +766,7 @@ struct batadv_priv { - atomic_t bonding; - atomic_t fragmentation; - atomic_t packet_size_max; -- atomic_t frag_seqno; -+ atomic_unchecked_t frag_seqno; - #ifdef CONFIG_BATMAN_ADV_BLA - atomic_t bridge_loop_avoidance; - #endif -@@ -785,7 +785,7 @@ struct batadv_priv { - #endif - uint32_t isolation_mark; - uint32_t isolation_mark_mask; -- atomic_t bcast_seqno; -+ atomic_unchecked_t bcast_seqno; - atomic_t bcast_queue_left; - atomic_t batman_queue_left; - char num_ifaces; -diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c -index e11a5cf..02864cd 100644 ---- a/net/bluetooth/hci_sock.c -+++ b/net/bluetooth/hci_sock.c -@@ -1253,7 +1253,7 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname, - uf.event_mask[1] = *((u32 *) f->event_mask + 1); - } - -- len = min_t(unsigned int, len, sizeof(uf)); -+ len = min((size_t)len, sizeof(uf)); - if (copy_from_user(&uf, optval, len)) { - err = -EFAULT; - break; -diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c -index dad4197..253bbdf 100644 ---- a/net/bluetooth/l2cap_core.c -+++ b/net/bluetooth/l2cap_core.c -@@ -3541,8 +3541,10 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, - break; - - case L2CAP_CONF_RFC: -- if (olen == sizeof(rfc)) -- memcpy(&rfc, (void *)val, olen); -+ if (olen != sizeof(rfc)) -+ break; -+ -+ memcpy(&rfc, (void *)val, olen); - - if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) && - rfc.mode != chan->mode) -diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c -index a7278f0..3443626 100644 ---- a/net/bluetooth/l2cap_sock.c -+++ b/net/bluetooth/l2cap_sock.c -@@ -633,7 +633,8 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, - struct sock *sk = sock->sk; - struct l2cap_chan *chan = l2cap_pi(sk)->chan; - struct l2cap_options opts; -- int len, err = 0; -+ int err = 0; -+ size_t len = optlen; - u32 opt; - - BT_DBG("sk %p", sk); -@@ -660,7 +661,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, - opts.max_tx = chan->max_tx; - opts.txwin_size = chan->tx_win; - -- len = min_t(unsigned int, sizeof(opts), optlen); -+ len = min(sizeof(opts), len); - if (copy_from_user((char *) &opts, optval, len)) { - err = -EFAULT; - break; -@@ -747,7 +748,8 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, - struct bt_security sec; - struct bt_power pwr; - struct l2cap_conn *conn; -- int len, err = 0; -+ int err = 0; -+ size_t len = optlen; - u32 opt; - - BT_DBG("sk %p", sk); -@@ -771,7 +773,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, - - sec.level = BT_SECURITY_LOW; - -- len = min_t(unsigned int, sizeof(sec), optlen); -+ len = min(sizeof(sec), len); - if (copy_from_user((char *) &sec, optval, len)) { - err = -EFAULT; - break; -@@ -867,7 +869,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, - - pwr.force_active = BT_POWER_FORCE_ACTIVE_ON; - -- len = min_t(unsigned int, sizeof(pwr), optlen); -+ len = min(sizeof(pwr), len); - if (copy_from_user((char *) &pwr, optval, len)) { - err = -EFAULT; - break; -diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c -index 825e8fb..efc24a4 100644 ---- a/net/bluetooth/rfcomm/sock.c -+++ b/net/bluetooth/rfcomm/sock.c -@@ -686,7 +686,7 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c - struct sock *sk = sock->sk; - struct bt_security sec; - int err = 0; -- size_t len; -+ size_t len = optlen; - u32 opt; - - BT_DBG("sk %p", sk); -@@ -708,7 +708,7 @@ static int rfcomm_sock_setsockopt(struct socket *sock, int level, int optname, c - - sec.level = BT_SECURITY_LOW; - -- len = min_t(unsigned int, sizeof(sec), optlen); -+ len = min(sizeof(sec), len); - if (copy_from_user((char *) &sec, optval, len)) { - err = -EFAULT; - break; -diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c -index 8e385a0..a5bdd8e 100644 ---- a/net/bluetooth/rfcomm/tty.c -+++ b/net/bluetooth/rfcomm/tty.c -@@ -752,7 +752,7 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp) - BT_DBG("tty %p id %d", tty, tty->index); - - BT_DBG("dev %p dst %pMR channel %d opened %d", dev, &dev->dst, -- dev->channel, dev->port.count); -+ dev->channel, atomic_read(&dev->port.count)); - - err = tty_port_open(&dev->port, tty, filp); - if (err) -@@ -775,7 +775,7 @@ static void rfcomm_tty_close(struct tty_struct *tty, struct file *filp) - struct rfcomm_dev *dev = (struct rfcomm_dev *) tty->driver_data; - - BT_DBG("tty %p dev %p dlc %p opened %d", tty, dev, dev->dlc, -- dev->port.count); -+ atomic_read(&dev->port.count)); - - tty_port_close(&dev->port, tty, filp); - } -diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c -index e29ad70b..cc00066 100644 ---- a/net/bridge/br_mdb.c -+++ b/net/bridge/br_mdb.c -@@ -371,6 +371,7 @@ static int __br_mdb_add(struct net *net, struct net_bridge *br, - if (!p || p->br != br || p->state == BR_STATE_DISABLED) - return -EINVAL; - -+ memset(&ip, 0, sizeof(ip)); - ip.proto = entry->addr.proto; - if (ip.proto == htons(ETH_P_IP)) - ip.u.ip4 = entry->addr.u.ip4; -@@ -417,6 +418,7 @@ static int __br_mdb_del(struct net_bridge *br, struct br_mdb_entry *entry) - if (!netif_running(br->dev) || br->multicast_disabled) - return -EINVAL; - -+ memset(&ip, 0, sizeof(ip)); - ip.proto = entry->addr.proto; - if (ip.proto == htons(ETH_P_IP)) { - if (timer_pending(&br->ip4_other_query.timer)) -diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c -index 4b5c236..f303683 100644 ---- a/net/bridge/br_netlink.c -+++ b/net/bridge/br_netlink.c -@@ -112,6 +112,8 @@ static inline size_t br_port_info_size(void) - + nla_total_size(1) /* IFLA_BRPORT_FAST_LEAVE */ - + nla_total_size(1) /* IFLA_BRPORT_LEARNING */ - + nla_total_size(1) /* IFLA_BRPORT_UNICAST_FLOOD */ -+ + nla_total_size(1) /* IFLA_BRPORT_PROXYARP */ -+ + nla_total_size(1) /* IFLA_BRPORT_PROXYARP_WIFI */ - + 0; - } - -@@ -504,6 +506,8 @@ static const struct nla_policy br_port_policy[IFLA_BRPORT_MAX + 1] = { - [IFLA_BRPORT_FAST_LEAVE]= { .type = NLA_U8 }, - [IFLA_BRPORT_LEARNING] = { .type = NLA_U8 }, - [IFLA_BRPORT_UNICAST_FLOOD] = { .type = NLA_U8 }, -+ [IFLA_BRPORT_PROXYARP] = { .type = NLA_U8 }, -+ [IFLA_BRPORT_PROXYARP_WIFI] = { .type = NLA_U8 }, - }; - - /* Change the state of the port and notify spanning tree */ -@@ -841,7 +845,7 @@ static struct rtnl_af_ops br_af_ops __read_mostly = { - .get_link_af_size = br_get_link_af_size, - }; - --struct rtnl_link_ops br_link_ops __read_mostly = { -+struct rtnl_link_ops br_link_ops = { - .kind = "bridge", - .priv_size = sizeof(struct net_bridge), - .setup = br_dev_setup, -diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c -index 91180a7..1301daa 100644 ---- a/net/bridge/netfilter/ebtables.c -+++ b/net/bridge/netfilter/ebtables.c -@@ -1533,7 +1533,7 @@ static int do_ebt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) - tmp.valid_hooks = t->table->valid_hooks; - } - mutex_unlock(&ebt_mutex); -- if (copy_to_user(user, &tmp, *len) != 0) { -+ if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0) { - BUGPRINT("c2u Didn't work\n"); - ret = -EFAULT; - break; -@@ -2339,7 +2339,7 @@ static int compat_do_ebt_get_ctl(struct sock *sk, int cmd, - goto out; - tmp.valid_hooks = t->valid_hooks; - -- if (copy_to_user(user, &tmp, *len) != 0) { -+ if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0) { - ret = -EFAULT; - break; - } -@@ -2350,7 +2350,7 @@ static int compat_do_ebt_get_ctl(struct sock *sk, int cmd, - tmp.entries_size = t->table->entries_size; - tmp.valid_hooks = t->table->valid_hooks; - -- if (copy_to_user(user, &tmp, *len) != 0) { -+ if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0) { - ret = -EFAULT; - break; - } -diff --git a/net/caif/cfctrl.c b/net/caif/cfctrl.c -index f5afda1..dcf770a 100644 ---- a/net/caif/cfctrl.c -+++ b/net/caif/cfctrl.c -@@ -10,6 +10,7 @@ - #include <linux/spinlock.h> - #include <linux/slab.h> - #include <linux/pkt_sched.h> -+#include <linux/sched.h> - #include <net/caif/caif_layer.h> - #include <net/caif/cfpkt.h> - #include <net/caif/cfctrl.h> -@@ -43,8 +44,8 @@ struct cflayer *cfctrl_create(void) - memset(&dev_info, 0, sizeof(dev_info)); - dev_info.id = 0xff; - cfsrvl_init(&this->serv, 0, &dev_info, false); -- atomic_set(&this->req_seq_no, 1); -- atomic_set(&this->rsp_seq_no, 1); -+ atomic_set_unchecked(&this->req_seq_no, 1); -+ atomic_set_unchecked(&this->rsp_seq_no, 1); - this->serv.layer.receive = cfctrl_recv; - sprintf(this->serv.layer.name, "ctrl"); - this->serv.layer.ctrlcmd = cfctrl_ctrlcmd; -@@ -130,8 +131,8 @@ static void cfctrl_insert_req(struct cfctrl *ctrl, - struct cfctrl_request_info *req) - { - spin_lock_bh(&ctrl->info_list_lock); -- atomic_inc(&ctrl->req_seq_no); -- req->sequence_no = atomic_read(&ctrl->req_seq_no); -+ atomic_inc_unchecked(&ctrl->req_seq_no); -+ req->sequence_no = atomic_read_unchecked(&ctrl->req_seq_no); - list_add_tail(&req->list, &ctrl->list); - spin_unlock_bh(&ctrl->info_list_lock); - } -@@ -149,7 +150,7 @@ static struct cfctrl_request_info *cfctrl_remove_req(struct cfctrl *ctrl, - if (p != first) - pr_warn("Requests are not received in order\n"); - -- atomic_set(&ctrl->rsp_seq_no, -+ atomic_set_unchecked(&ctrl->rsp_seq_no, - p->sequence_no); - list_del(&p->list); - goto out; -diff --git a/net/caif/chnl_net.c b/net/caif/chnl_net.c -index 67a4a36..8d28068 100644 ---- a/net/caif/chnl_net.c -+++ b/net/caif/chnl_net.c -@@ -515,7 +515,7 @@ static const struct nla_policy ipcaif_policy[IFLA_CAIF_MAX + 1] = { - }; - - --static struct rtnl_link_ops ipcaif_link_ops __read_mostly = { -+static struct rtnl_link_ops ipcaif_link_ops = { - .kind = "caif", - .priv_size = sizeof(struct chnl_net), - .setup = ipcaif_net_setup, -diff --git a/net/can/af_can.c b/net/can/af_can.c -index 62c635f..0b59618 100644 ---- a/net/can/af_can.c -+++ b/net/can/af_can.c -@@ -890,7 +890,7 @@ static const struct net_proto_family can_family_ops = { - }; - - /* notifier block for netdevice event */ --static struct notifier_block can_netdev_notifier __read_mostly = { -+static struct notifier_block can_netdev_notifier = { - .notifier_call = can_notifier, - }; - -diff --git a/net/can/bcm.c b/net/can/bcm.c -index a1ba687..aafaec5 100644 ---- a/net/can/bcm.c -+++ b/net/can/bcm.c -@@ -1620,7 +1620,7 @@ static int __init bcm_module_init(void) - } - - /* create /proc/net/can-bcm directory */ -- proc_dir = proc_mkdir("can-bcm", init_net.proc_net); -+ proc_dir = proc_mkdir_restrict("can-bcm", init_net.proc_net); - return 0; - } - -diff --git a/net/can/gw.c b/net/can/gw.c -index a6f448e..5902171 100644 ---- a/net/can/gw.c -+++ b/net/can/gw.c -@@ -80,7 +80,6 @@ MODULE_PARM_DESC(max_hops, - "default: " __stringify(CGW_DEFAULT_HOPS) ")"); - - static HLIST_HEAD(cgw_list); --static struct notifier_block notifier; - - static struct kmem_cache *cgw_cache __read_mostly; - -@@ -948,6 +947,10 @@ static int cgw_remove_job(struct sk_buff *skb, struct nlmsghdr *nlh) - return err; - } - -+static struct notifier_block notifier = { -+ .notifier_call = cgw_notifier -+}; -+ - static __init int cgw_module_init(void) - { - /* sanitize given module parameter */ -@@ -963,7 +966,6 @@ static __init int cgw_module_init(void) - return -ENOMEM; - - /* set notifier */ -- notifier.notifier_call = cgw_notifier; - register_netdevice_notifier(&notifier); - - if (__rtnl_register(PF_CAN, RTM_GETROUTE, NULL, cgw_dump_jobs, NULL)) { -diff --git a/net/can/proc.c b/net/can/proc.c -index 1a19b98..df2b4ec 100644 ---- a/net/can/proc.c -+++ b/net/can/proc.c -@@ -514,7 +514,7 @@ static void can_remove_proc_readentry(const char *name) - void can_init_proc(void) - { - /* create /proc/net/can directory */ -- can_dir = proc_mkdir("can", init_net.proc_net); -+ can_dir = proc_mkdir_restrict("can", init_net.proc_net); - - if (!can_dir) { - printk(KERN_INFO "can: failed to create /proc/net/can . " -diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c -index 967080a..5e75f04 100644 ---- a/net/ceph/messenger.c -+++ b/net/ceph/messenger.c -@@ -188,7 +188,7 @@ static void con_fault(struct ceph_connection *con); - #define MAX_ADDR_STR_LEN 64 /* 54 is enough */ - - static char addr_str[ADDR_STR_COUNT][MAX_ADDR_STR_LEN]; --static atomic_t addr_str_seq = ATOMIC_INIT(0); -+static atomic_unchecked_t addr_str_seq = ATOMIC_INIT(0); - - static struct page *zero_page; /* used in certain error cases */ - -@@ -199,7 +199,7 @@ const char *ceph_pr_addr(const struct sockaddr_storage *ss) - struct sockaddr_in *in4 = (struct sockaddr_in *) ss; - struct sockaddr_in6 *in6 = (struct sockaddr_in6 *) ss; - -- i = atomic_inc_return(&addr_str_seq) & ADDR_STR_COUNT_MASK; -+ i = atomic_inc_return_unchecked(&addr_str_seq) & ADDR_STR_COUNT_MASK; - s = addr_str[i]; - - switch (ss->ss_family) { -diff --git a/net/compat.c b/net/compat.c -index 5cfd26a..7e43828 100644 ---- a/net/compat.c -+++ b/net/compat.c -@@ -98,20 +98,20 @@ int get_compat_msghdr(struct msghdr *kmsg, - - #define CMSG_COMPAT_FIRSTHDR(msg) \ - (((msg)->msg_controllen) >= sizeof(struct compat_cmsghdr) ? \ -- (struct compat_cmsghdr __user *)((msg)->msg_control) : \ -+ (struct compat_cmsghdr __force_user *)((msg)->msg_control) : \ - (struct compat_cmsghdr __user *)NULL) - - #define CMSG_COMPAT_OK(ucmlen, ucmsg, mhdr) \ - ((ucmlen) >= sizeof(struct compat_cmsghdr) && \ - (ucmlen) <= (unsigned long) \ - ((mhdr)->msg_controllen - \ -- ((char *)(ucmsg) - (char *)(mhdr)->msg_control))) -+ ((char __force_kernel *)(ucmsg) - (char *)(mhdr)->msg_control))) - - static inline struct compat_cmsghdr __user *cmsg_compat_nxthdr(struct msghdr *msg, - struct compat_cmsghdr __user *cmsg, int cmsg_len) - { - char __user *ptr = (char __user *)cmsg + CMSG_COMPAT_ALIGN(cmsg_len); -- if ((unsigned long)(ptr + 1 - (char __user *)msg->msg_control) > -+ if ((unsigned long)(ptr + 1 - (char __force_user *)msg->msg_control) > - msg->msg_controllen) - return NULL; - return (struct compat_cmsghdr __user *)ptr; -@@ -201,7 +201,7 @@ Efault: - - int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *data) - { -- struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control; -+ struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __force_user *) kmsg->msg_control; - struct compat_cmsghdr cmhdr; - struct compat_timeval ctv; - struct compat_timespec cts[3]; -@@ -257,7 +257,7 @@ int put_cmsg_compat(struct msghdr *kmsg, int level, int type, int len, void *dat - - void scm_detach_fds_compat(struct msghdr *kmsg, struct scm_cookie *scm) - { -- struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __user *) kmsg->msg_control; -+ struct compat_cmsghdr __user *cm = (struct compat_cmsghdr __force_user *) kmsg->msg_control; - int fdmax = (kmsg->msg_controllen - sizeof(struct compat_cmsghdr)) / sizeof(int); - int fdnum = scm->fp->count; - struct file **fp = scm->fp->fp; -@@ -345,7 +345,7 @@ static int do_set_sock_timeout(struct socket *sock, int level, - return -EFAULT; - old_fs = get_fs(); - set_fs(KERNEL_DS); -- err = sock_setsockopt(sock, level, optname, (char *)&ktime, sizeof(ktime)); -+ err = sock_setsockopt(sock, level, optname, (char __force_user *)&ktime, sizeof(ktime)); - set_fs(old_fs); - - return err; -@@ -406,7 +406,7 @@ static int do_get_sock_timeout(struct socket *sock, int level, int optname, - len = sizeof(ktime); - old_fs = get_fs(); - set_fs(KERNEL_DS); -- err = sock_getsockopt(sock, level, optname, (char *) &ktime, &len); -+ err = sock_getsockopt(sock, level, optname, (char __force_user *) &ktime, (int __force_user *)&len); - set_fs(old_fs); - - if (!err) { -@@ -549,7 +549,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname, - case MCAST_JOIN_GROUP: - case MCAST_LEAVE_GROUP: - { -- struct compat_group_req __user *gr32 = (void *)optval; -+ struct compat_group_req __user *gr32 = (void __user *)optval; - struct group_req __user *kgr = - compat_alloc_user_space(sizeof(struct group_req)); - u32 interface; -@@ -570,7 +570,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname, - case MCAST_BLOCK_SOURCE: - case MCAST_UNBLOCK_SOURCE: - { -- struct compat_group_source_req __user *gsr32 = (void *)optval; -+ struct compat_group_source_req __user *gsr32 = (void __user *)optval; - struct group_source_req __user *kgsr = compat_alloc_user_space( - sizeof(struct group_source_req)); - u32 interface; -@@ -591,7 +591,7 @@ int compat_mc_setsockopt(struct sock *sock, int level, int optname, - } - case MCAST_MSFILTER: - { -- struct compat_group_filter __user *gf32 = (void *)optval; -+ struct compat_group_filter __user *gf32 = (void __user *)optval; - struct group_filter __user *kgf; - u32 interface, fmode, numsrc; - -@@ -629,7 +629,7 @@ int compat_mc_getsockopt(struct sock *sock, int level, int optname, - char __user *optval, int __user *optlen, - int (*getsockopt)(struct sock *, int, int, char __user *, int __user *)) - { -- struct compat_group_filter __user *gf32 = (void *)optval; -+ struct compat_group_filter __user *gf32 = (void __user *)optval; - struct group_filter __user *kgf; - int __user *koptlen; - u32 interface, fmode, numsrc; -@@ -773,7 +773,7 @@ COMPAT_SYSCALL_DEFINE2(socketcall, int, call, u32 __user *, args) - - if (call < SYS_SOCKET || call > SYS_SENDMMSG) - return -EINVAL; -- if (copy_from_user(a, args, nas[call])) -+ if (nas[call] > sizeof a || copy_from_user(a, args, nas[call])) - return -EFAULT; - a0 = a[0]; - a1 = a[1]; -diff --git a/net/core/datagram.c b/net/core/datagram.c -index b80fb91..0364f4f 100644 ---- a/net/core/datagram.c -+++ b/net/core/datagram.c -@@ -131,6 +131,35 @@ out_noerr: - goto out; - } - -+static struct sk_buff *skb_set_peeked(struct sk_buff *skb) -+{ -+ struct sk_buff *nskb; -+ -+ if (skb->peeked) -+ return skb; -+ -+ /* We have to unshare an skb before modifying it. */ -+ if (!skb_shared(skb)) -+ goto done; -+ -+ nskb = skb_clone(skb, GFP_ATOMIC); -+ if (!nskb) -+ return ERR_PTR(-ENOMEM); -+ -+ skb->prev->next = nskb; -+ skb->next->prev = nskb; -+ nskb->prev = skb->prev; -+ nskb->next = skb->next; -+ -+ consume_skb(skb); -+ skb = nskb; -+ -+done: -+ skb->peeked = 1; -+ -+ return skb; -+} -+ - /** - * __skb_recv_datagram - Receive a datagram skbuff - * @sk: socket -@@ -165,7 +194,9 @@ out_noerr: - struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, - int *peeked, int *off, int *err) - { -+ struct sk_buff_head *queue = &sk->sk_receive_queue; - struct sk_buff *skb, *last; -+ unsigned long cpu_flags; - long timeo; - /* - * Caller is allowed not to check sk->sk_err before skb_recv_datagram() -@@ -184,8 +215,6 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, - * Look at current nfs client by the way... - * However, this function was correct in any case. 8) - */ -- unsigned long cpu_flags; -- struct sk_buff_head *queue = &sk->sk_receive_queue; - int _off = *off; - - last = (struct sk_buff *)queue; -@@ -199,7 +228,12 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, - _off -= skb->len; - continue; - } -- skb->peeked = 1; -+ -+ skb = skb_set_peeked(skb); -+ error = PTR_ERR(skb); -+ if (IS_ERR(skb)) -+ goto unlock_err; -+ - atomic_inc(&skb->users); - } else - __skb_unlink(skb, queue); -@@ -223,6 +257,8 @@ struct sk_buff *__skb_recv_datagram(struct sock *sk, unsigned int flags, - - return NULL; - -+unlock_err: -+ spin_unlock_irqrestore(&queue->lock, cpu_flags); - no_packet: - *err = error; - return NULL; -@@ -302,7 +338,7 @@ int skb_kill_datagram(struct sock *sk, struct sk_buff *skb, unsigned int flags) - } - - kfree_skb(skb); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - sk_mem_reclaim_partial(sk); - - return err; -@@ -622,7 +658,8 @@ __sum16 __skb_checksum_complete_head(struct sk_buff *skb, int len) - !skb->csum_complete_sw) - netdev_rx_csum_fault(skb->dev); - } -- skb->csum_valid = !sum; -+ if (!skb_shared(skb)) -+ skb->csum_valid = !sum; - return sum; - } - EXPORT_SYMBOL(__skb_checksum_complete_head); -@@ -642,11 +679,13 @@ __sum16 __skb_checksum_complete(struct sk_buff *skb) - netdev_rx_csum_fault(skb->dev); - } - -- /* Save full packet checksum */ -- skb->csum = csum; -- skb->ip_summed = CHECKSUM_COMPLETE; -- skb->csum_complete_sw = 1; -- skb->csum_valid = !sum; -+ if (!skb_shared(skb)) { -+ /* Save full packet checksum */ -+ skb->csum = csum; -+ skb->ip_summed = CHECKSUM_COMPLETE; -+ skb->csum_complete_sw = 1; -+ skb->csum_valid = !sum; -+ } - - return sum; - } -diff --git a/net/core/dev.c b/net/core/dev.c -index aa82f9a..f28b00e 100644 ---- a/net/core/dev.c -+++ b/net/core/dev.c -@@ -1720,7 +1720,7 @@ int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb) - { - if (skb_orphan_frags(skb, GFP_ATOMIC) || - unlikely(!is_skb_forwardable(dev, skb))) { -- atomic_long_inc(&dev->rx_dropped); -+ atomic_long_inc_unchecked(&dev->rx_dropped); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -3018,7 +3018,7 @@ recursion_alert: - drop: - rcu_read_unlock_bh(); - -- atomic_long_inc(&dev->tx_dropped); -+ atomic_long_inc_unchecked(&dev->tx_dropped); - kfree_skb_list(skb); - return rc; - out: -@@ -3367,7 +3367,7 @@ enqueue: - - local_irq_restore(flags); - -- atomic_long_inc(&skb->dev->rx_dropped); -+ atomic_long_inc_unchecked(&skb->dev->rx_dropped); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -3444,7 +3444,7 @@ int netif_rx_ni(struct sk_buff *skb) - } - EXPORT_SYMBOL(netif_rx_ni); - --static void net_tx_action(struct softirq_action *h) -+static __latent_entropy void net_tx_action(void) - { - struct softnet_data *sd = this_cpu_ptr(&softnet_data); - -@@ -3783,7 +3783,7 @@ ncls: - ret = pt_prev->func(skb, skb->dev, pt_prev, orig_dev); - } else { - drop: -- atomic_long_inc(&skb->dev->rx_dropped); -+ atomic_long_inc_unchecked(&skb->dev->rx_dropped); - kfree_skb(skb); - /* Jamal, now you will not able to escape explaining - * me how you were going to use this. :-) -@@ -4672,7 +4672,7 @@ out_unlock: - return work; - } - --static void net_rx_action(struct softirq_action *h) -+static __latent_entropy void net_rx_action(void) - { - struct softnet_data *sd = this_cpu_ptr(&softnet_data); - unsigned long time_limit = jiffies + 2; -@@ -6721,8 +6721,8 @@ struct rtnl_link_stats64 *dev_get_stats(struct net_device *dev, - } else { - netdev_stats_to_stats64(storage, &dev->stats); - } -- storage->rx_dropped += atomic_long_read(&dev->rx_dropped); -- storage->tx_dropped += atomic_long_read(&dev->tx_dropped); -+ storage->rx_dropped += atomic_long_read_unchecked(&dev->rx_dropped); -+ storage->tx_dropped += atomic_long_read_unchecked(&dev->tx_dropped); - return storage; - } - EXPORT_SYMBOL(dev_get_stats); -diff --git a/net/core/dev_ioctl.c b/net/core/dev_ioctl.c -index b94b1d2..da3ed7c 100644 ---- a/net/core/dev_ioctl.c -+++ b/net/core/dev_ioctl.c -@@ -368,8 +368,13 @@ void dev_load(struct net *net, const char *name) - no_module = !dev; - if (no_module && capable(CAP_NET_ADMIN)) - no_module = request_module("netdev-%s", name); -- if (no_module && capable(CAP_SYS_MODULE)) -+ if (no_module && capable(CAP_SYS_MODULE)) { -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ ___request_module(true, "grsec_modharden_netdev", "%s", name); -+#else - request_module("%s", name); -+#endif -+ } - } - EXPORT_SYMBOL(dev_load); - -diff --git a/net/core/dst.c b/net/core/dst.c -index e956ce6..002144be 100644 ---- a/net/core/dst.c -+++ b/net/core/dst.c -@@ -284,7 +284,9 @@ void dst_release(struct dst_entry *dst) - int newrefcnt; - - newrefcnt = atomic_dec_return(&dst->__refcnt); -- WARN_ON(newrefcnt < 0); -+ if (unlikely(newrefcnt < 0)) -+ net_warn_ratelimited("%s: dst:%p refcnt:%d\n", -+ __func__, dst, newrefcnt); - if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt) - call_rcu(&dst->rcu_head, dst_destroy_rcu); - } -diff --git a/net/core/filter.c b/net/core/filter.c -index bf831a8..8d2c4c2 100644 ---- a/net/core/filter.c -+++ b/net/core/filter.c -@@ -579,7 +579,11 @@ do_pass: - - /* Unknown instruction. */ - default: -- goto err; -+ WARN(1, KERN_ALERT "Unknown sock filter code:%u jt:%u tf:%u k:%u\n", -+ fp->code, fp->jt, fp->jf, fp->k); -+ kfree(addrs); -+ BUG(); -+ return -EINVAL; - } - - insn++; -@@ -623,7 +627,7 @@ static int check_load_and_stores(const struct sock_filter *filter, int flen) - u16 *masks, memvalid = 0; /* One bit per cell, 16 cells */ - int pc, ret = 0; - -- BUILD_BUG_ON(BPF_MEMWORDS > 16); -+ BUILD_BUG_ON(BPF_MEMWORDS != 16); - - masks = kmalloc_array(flen, sizeof(*masks), GFP_KERNEL); - if (!masks) -@@ -1038,7 +1042,7 @@ int bpf_prog_create(struct bpf_prog **pfp, struct sock_fprog_kern *fprog) - if (!fp) - return -ENOMEM; - -- memcpy(fp->insns, fprog->filter, fsize); -+ memcpy(fp->insns, (void __force_kernel *)fprog->filter, fsize); - - fp->len = fprog->len; - /* Since unattached filters are not copied back to user -diff --git a/net/core/flow.c b/net/core/flow.c -index 1033725..340f65d 100644 ---- a/net/core/flow.c -+++ b/net/core/flow.c -@@ -65,7 +65,7 @@ static void flow_cache_new_hashrnd(unsigned long arg) - static int flow_entry_valid(struct flow_cache_entry *fle, - struct netns_xfrm *xfrm) - { -- if (atomic_read(&xfrm->flow_cache_genid) != fle->genid) -+ if (atomic_read_unchecked(&xfrm->flow_cache_genid) != fle->genid) - return 0; - if (fle->object && !fle->object->ops->check(fle->object)) - return 0; -@@ -242,7 +242,7 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, - hlist_add_head(&fle->u.hlist, &fcp->hash_table[hash]); - fcp->hash_count++; - } -- } else if (likely(fle->genid == atomic_read(&net->xfrm.flow_cache_genid))) { -+ } else if (likely(fle->genid == atomic_read_unchecked(&net->xfrm.flow_cache_genid))) { - flo = fle->object; - if (!flo) - goto ret_object; -@@ -263,7 +263,7 @@ nocache: - } - flo = resolver(net, key, family, dir, flo, ctx); - if (fle) { -- fle->genid = atomic_read(&net->xfrm.flow_cache_genid); -+ fle->genid = atomic_read_unchecked(&net->xfrm.flow_cache_genid); - if (!IS_ERR(flo)) - fle->object = flo; - else -diff --git a/net/core/neighbour.c b/net/core/neighbour.c -index 2237c1b..c0c80ab 100644 ---- a/net/core/neighbour.c -+++ b/net/core/neighbour.c -@@ -2818,7 +2818,7 @@ static int proc_unres_qlen(struct ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - int size, ret; -- struct ctl_table tmp = *ctl; -+ ctl_table_no_const tmp = *ctl; - - tmp.extra1 = &zero; - tmp.extra2 = &unres_qlen_max; -@@ -2880,7 +2880,7 @@ static int neigh_proc_dointvec_zero_intmax(struct ctl_table *ctl, int write, - void __user *buffer, - size_t *lenp, loff_t *ppos) - { -- struct ctl_table tmp = *ctl; -+ ctl_table_no_const tmp = *ctl; - int ret; - - tmp.extra1 = &zero; -diff --git a/net/core/net-procfs.c b/net/core/net-procfs.c -index 2bf8329..2eb1423 100644 ---- a/net/core/net-procfs.c -+++ b/net/core/net-procfs.c -@@ -79,7 +79,13 @@ static void dev_seq_printf_stats(struct seq_file *seq, struct net_device *dev) - struct rtnl_link_stats64 temp; - const struct rtnl_link_stats64 *stats = dev_get_stats(dev, &temp); - -- seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu " -+ if (gr_proc_is_restricted()) -+ seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu " -+ "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n", -+ dev->name, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, -+ 0ULL, 0ULL, 0ULL, 0ULL, 0ULL, 0ULL); -+ else -+ seq_printf(seq, "%6s: %7llu %7llu %4llu %4llu %4llu %5llu %10llu %9llu " - "%8llu %7llu %4llu %4llu %4llu %5llu %7llu %10llu\n", - dev->name, stats->rx_bytes, stats->rx_packets, - stats->rx_errors, -@@ -166,7 +172,7 @@ static int softnet_seq_show(struct seq_file *seq, void *v) - return 0; - } - --static const struct seq_operations dev_seq_ops = { -+const struct seq_operations dev_seq_ops = { - .start = dev_seq_start, - .next = dev_seq_next, - .stop = dev_seq_stop, -@@ -196,7 +202,7 @@ static const struct seq_operations softnet_seq_ops = { - - static int softnet_seq_open(struct inode *inode, struct file *file) - { -- return seq_open(file, &softnet_seq_ops); -+ return seq_open_restrict(file, &softnet_seq_ops); - } - - static const struct file_operations softnet_seq_fops = { -@@ -283,8 +289,13 @@ static int ptype_seq_show(struct seq_file *seq, void *v) - else - seq_printf(seq, "%04x", ntohs(pt->type)); - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(seq, " %-8s %pf\n", -+ pt->dev ? pt->dev->name : "", NULL); -+#else - seq_printf(seq, " %-8s %pf\n", - pt->dev ? pt->dev->name : "", pt->func); -+#endif - } - - return 0; -diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c -index 4238d6d..e6b605c 100644 ---- a/net/core/net-sysfs.c -+++ b/net/core/net-sysfs.c -@@ -288,7 +288,7 @@ static ssize_t carrier_changes_show(struct device *dev, - { - struct net_device *netdev = to_net_dev(dev); - return sprintf(buf, fmt_dec, -- atomic_read(&netdev->carrier_changes)); -+ atomic_read_unchecked(&netdev->carrier_changes)); - } - static DEVICE_ATTR_RO(carrier_changes); - -diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c -index 572af00..5acf072 100644 ---- a/net/core/net_namespace.c -+++ b/net/core/net_namespace.c -@@ -734,7 +734,7 @@ static int __register_pernet_operations(struct list_head *list, - int error; - LIST_HEAD(net_exit_list); - -- list_add_tail(&ops->list, list); -+ pax_list_add_tail((struct list_head *)&ops->list, list); - if (ops->init || (ops->id && ops->size)) { - for_each_net(net) { - error = ops_init(ops, net); -@@ -747,7 +747,7 @@ static int __register_pernet_operations(struct list_head *list, - - out_undo: - /* If I have an error cleanup all namespaces I initialized */ -- list_del(&ops->list); -+ pax_list_del((struct list_head *)&ops->list); - ops_exit_list(ops, &net_exit_list); - ops_free_list(ops, &net_exit_list); - return error; -@@ -758,7 +758,7 @@ static void __unregister_pernet_operations(struct pernet_operations *ops) - struct net *net; - LIST_HEAD(net_exit_list); - -- list_del(&ops->list); -+ pax_list_del((struct list_head *)&ops->list); - for_each_net(net) - list_add_tail(&net->exit_list, &net_exit_list); - ops_exit_list(ops, &net_exit_list); -@@ -892,7 +892,7 @@ int register_pernet_device(struct pernet_operations *ops) - mutex_lock(&net_mutex); - error = register_pernet_operations(&pernet_list, ops); - if (!error && (first_device == &pernet_list)) -- first_device = &ops->list; -+ first_device = (struct list_head *)&ops->list; - mutex_unlock(&net_mutex); - return error; - } -diff --git a/net/core/netpoll.c b/net/core/netpoll.c -index c126a87..10ad89d 100644 ---- a/net/core/netpoll.c -+++ b/net/core/netpoll.c -@@ -377,7 +377,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len) - struct udphdr *udph; - struct iphdr *iph; - struct ethhdr *eth; -- static atomic_t ip_ident; -+ static atomic_unchecked_t ip_ident; - struct ipv6hdr *ip6h; - - udp_len = len + sizeof(*udph); -@@ -448,7 +448,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len) - put_unaligned(0x45, (unsigned char *)iph); - iph->tos = 0; - put_unaligned(htons(ip_len), &(iph->tot_len)); -- iph->id = htons(atomic_inc_return(&ip_ident)); -+ iph->id = htons(atomic_inc_return_unchecked(&ip_ident)); - iph->frag_off = 0; - iph->ttl = 64; - iph->protocol = IPPROTO_UDP; -diff --git a/net/core/pktgen.c b/net/core/pktgen.c -index 508155b..fad080f 100644 ---- a/net/core/pktgen.c -+++ b/net/core/pktgen.c -@@ -3755,7 +3755,7 @@ static int __net_init pg_net_init(struct net *net) - pn->net = net; - INIT_LIST_HEAD(&pn->pktgen_threads); - pn->pktgen_exiting = false; -- pn->proc_dir = proc_mkdir(PG_PROC_DIR, pn->net->proc_net); -+ pn->proc_dir = proc_mkdir_restrict(PG_PROC_DIR, pn->net->proc_net); - if (!pn->proc_dir) { - pr_warn("cannot create /proc/net/%s\n", PG_PROC_DIR); - return -ENODEV; -diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c -index 8de3682..fcb8a5e 100644 ---- a/net/core/rtnetlink.c -+++ b/net/core/rtnetlink.c -@@ -61,7 +61,7 @@ struct rtnl_link { - rtnl_doit_func doit; - rtnl_dumpit_func dumpit; - rtnl_calcit_func calcit; --}; -+} __no_const; - - static DEFINE_MUTEX(rtnl_mutex); - -@@ -307,10 +307,13 @@ int __rtnl_link_register(struct rtnl_link_ops *ops) - * to use the ops for creating device. So do not - * fill up dellink as well. That disables rtnl_dellink. - */ -- if (ops->setup && !ops->dellink) -- ops->dellink = unregister_netdevice_queue; -+ if (ops->setup && !ops->dellink) { -+ pax_open_kernel(); -+ *(void **)&ops->dellink = unregister_netdevice_queue; -+ pax_close_kernel(); -+ } - -- list_add_tail(&ops->list, &link_ops); -+ pax_list_add_tail((struct list_head *)&ops->list, &link_ops); - return 0; - } - EXPORT_SYMBOL_GPL(__rtnl_link_register); -@@ -357,7 +360,7 @@ void __rtnl_link_unregister(struct rtnl_link_ops *ops) - for_each_net(net) { - __rtnl_kill_links(net, ops); - } -- list_del(&ops->list); -+ pax_list_del((struct list_head *)&ops->list); - } - EXPORT_SYMBOL_GPL(__rtnl_link_unregister); - -@@ -1066,7 +1069,7 @@ static int rtnl_fill_ifinfo(struct sk_buff *skb, struct net_device *dev, - (dev->ifalias && - nla_put_string(skb, IFLA_IFALIAS, dev->ifalias)) || - nla_put_u32(skb, IFLA_CARRIER_CHANGES, -- atomic_read(&dev->carrier_changes))) -+ atomic_read_unchecked(&dev->carrier_changes))) - goto nla_put_failure; - - if (1) { -@@ -1748,10 +1751,13 @@ static int do_setlink(const struct sk_buff *skb, - goto errout; - - nla_for_each_nested(attr, tb[IFLA_VF_PORTS], rem) { -- if (nla_type(attr) != IFLA_VF_PORT) -- continue; -- err = nla_parse_nested(port, IFLA_PORT_MAX, -- attr, ifla_port_policy); -+ if (nla_type(attr) != IFLA_VF_PORT || -+ nla_len(attr) < NLA_HDRLEN) { -+ err = -EINVAL; -+ goto errout; -+ } -+ err = nla_parse_nested(port, IFLA_PORT_MAX, attr, -+ ifla_port_policy); - if (err < 0) - goto errout; - if (!port[IFLA_PORT_VF]) { -diff --git a/net/core/scm.c b/net/core/scm.c -index 3b6899b..cf36238 100644 ---- a/net/core/scm.c -+++ b/net/core/scm.c -@@ -209,7 +209,7 @@ EXPORT_SYMBOL(__scm_send); - int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data) - { - struct cmsghdr __user *cm -- = (__force struct cmsghdr __user *)msg->msg_control; -+ = (struct cmsghdr __force_user *)msg->msg_control; - struct cmsghdr cmhdr; - int cmlen = CMSG_LEN(len); - int err; -@@ -232,7 +232,7 @@ int put_cmsg(struct msghdr * msg, int level, int type, int len, void *data) - err = -EFAULT; - if (copy_to_user(cm, &cmhdr, sizeof cmhdr)) - goto out; -- if (copy_to_user(CMSG_DATA(cm), data, cmlen - sizeof(struct cmsghdr))) -+ if (copy_to_user((void __force_user *)CMSG_DATA((void __force_kernel *)cm), data, cmlen - sizeof(struct cmsghdr))) - goto out; - cmlen = CMSG_SPACE(len); - if (msg->msg_controllen < cmlen) -@@ -248,7 +248,7 @@ EXPORT_SYMBOL(put_cmsg); - void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm) - { - struct cmsghdr __user *cm -- = (__force struct cmsghdr __user*)msg->msg_control; -+ = (struct cmsghdr __force_user *)msg->msg_control; - - int fdmax = 0; - int fdnum = scm->fp->count; -@@ -268,7 +268,7 @@ void scm_detach_fds(struct msghdr *msg, struct scm_cookie *scm) - if (fdnum < fdmax) - fdmax = fdnum; - -- for (i=0, cmfptr=(__force int __user *)CMSG_DATA(cm); i<fdmax; -+ for (i=0, cmfptr=(int __force_user *)CMSG_DATA((void __force_kernel *)cm); i<fdmax; - i++, cmfptr++) - { - struct socket *sock; -diff --git a/net/core/skbuff.c b/net/core/skbuff.c -index 41ec022..89b1df7 100644 ---- a/net/core/skbuff.c -+++ b/net/core/skbuff.c -@@ -340,7 +340,7 @@ struct sk_buff *build_skb(void *data, unsigned int frag_size) - - if (skb && frag_size) { - skb->head_frag = 1; -- if (virt_to_head_page(data)->pfmemalloc) -+ if (page_is_pfmemalloc(virt_to_head_page(data))) - skb->pfmemalloc = 1; - } - return skb; -@@ -2139,7 +2139,7 @@ EXPORT_SYMBOL(__skb_checksum); - __wsum skb_checksum(const struct sk_buff *skb, int offset, - int len, __wsum csum) - { -- const struct skb_checksum_ops ops = { -+ static const struct skb_checksum_ops ops = { - .update = csum_partial_ext, - .combine = csum_block_add_ext, - }; -@@ -3335,12 +3335,14 @@ void __init skb_init(void) - skbuff_head_cache = kmem_cache_create("skbuff_head_cache", - sizeof(struct sk_buff), - 0, -- SLAB_HWCACHE_ALIGN|SLAB_PANIC, -+ SLAB_HWCACHE_ALIGN|SLAB_PANIC| -+ SLAB_NO_SANITIZE, - NULL); - skbuff_fclone_cache = kmem_cache_create("skbuff_fclone_cache", - sizeof(struct sk_buff_fclones), - 0, -- SLAB_HWCACHE_ALIGN|SLAB_PANIC, -+ SLAB_HWCACHE_ALIGN|SLAB_PANIC| -+ SLAB_NO_SANITIZE, - NULL); - } - -diff --git a/net/core/sock.c b/net/core/sock.c -index dc30dc5..8bb3ef3 100644 ---- a/net/core/sock.c -+++ b/net/core/sock.c -@@ -440,7 +440,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) - struct sk_buff_head *list = &sk->sk_receive_queue; - - if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - trace_sock_rcvqueue_full(sk, skb); - return -ENOMEM; - } -@@ -450,7 +450,7 @@ int sock_queue_rcv_skb(struct sock *sk, struct sk_buff *skb) - return err; - - if (!sk_rmem_schedule(sk, skb, skb->truesize)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - return -ENOBUFS; - } - -@@ -483,7 +483,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested) - skb->dev = NULL; - - if (sk_rcvqueues_full(sk, sk->sk_rcvbuf)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - goto discard_and_relse; - } - if (nested) -@@ -501,7 +501,7 @@ int sk_receive_skb(struct sock *sk, struct sk_buff *skb, const int nested) - mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_); - } else if (sk_add_backlog(sk, skb, sk->sk_rcvbuf)) { - bh_unlock_sock(sk); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - goto discard_and_relse; - } - -@@ -907,6 +907,7 @@ set_rcvbuf: - } - break; - -+#ifndef GRKERNSEC_BPF_HARDEN - case SO_ATTACH_BPF: - ret = -EINVAL; - if (optlen == sizeof(u32)) { -@@ -919,7 +920,7 @@ set_rcvbuf: - ret = sk_attach_bpf(ufd, sk); - } - break; -- -+#endif - case SO_DETACH_FILTER: - ret = sk_detach_filter(sk); - break; -@@ -1021,12 +1022,12 @@ int sock_getsockopt(struct socket *sock, int level, int optname, - struct timeval tm; - } v; - -- int lv = sizeof(int); -- int len; -+ unsigned int lv = sizeof(int); -+ unsigned int len; - - if (get_user(len, optlen)) - return -EFAULT; -- if (len < 0) -+ if (len > INT_MAX) - return -EINVAL; - - memset(&v, 0, sizeof(v)); -@@ -1164,11 +1165,11 @@ int sock_getsockopt(struct socket *sock, int level, int optname, - - case SO_PEERNAME: - { -- char address[128]; -+ char address[_K_SS_MAXSIZE]; - - if (sock->ops->getname(sock, (struct sockaddr *)address, &lv, 2)) - return -ENOTCONN; -- if (lv < len) -+ if (lv < len || sizeof address < len) - return -EINVAL; - if (copy_to_user(optval, address, len)) - return -EFAULT; -@@ -1256,7 +1257,7 @@ int sock_getsockopt(struct socket *sock, int level, int optname, - - if (len > lv) - len = lv; -- if (copy_to_user(optval, &v, len)) -+ if (len > sizeof(v) || copy_to_user(optval, &v, len)) - return -EFAULT; - lenout: - if (put_user(len, optlen)) -@@ -2359,7 +2360,7 @@ void sock_init_data(struct socket *sock, struct sock *sk) - */ - smp_wmb(); - atomic_set(&sk->sk_refcnt, 1); -- atomic_set(&sk->sk_drops, 0); -+ atomic_set_unchecked(&sk->sk_drops, 0); - } - EXPORT_SYMBOL(sock_init_data); - -@@ -2487,6 +2488,7 @@ void sock_enable_timestamp(struct sock *sk, int flag) - int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len, - int level, int type) - { -+ struct sock_extended_err ee; - struct sock_exterr_skb *serr; - struct sk_buff *skb; - int copied, err; -@@ -2508,7 +2510,8 @@ int sock_recv_errqueue(struct sock *sk, struct msghdr *msg, int len, - sock_recv_timestamp(msg, sk, skb); - - serr = SKB_EXT_ERR(skb); -- put_cmsg(msg, level, type, sizeof(serr->ee), &serr->ee); -+ ee = serr->ee; -+ put_cmsg(msg, level, type, sizeof ee, &ee); - - msg->msg_flags |= MSG_ERRQUEUE; - err = copied; -diff --git a/net/core/sock_diag.c b/net/core/sock_diag.c -index 74dddf8..7f4e77e 100644 ---- a/net/core/sock_diag.c -+++ b/net/core/sock_diag.c -@@ -9,7 +9,7 @@ - #include <linux/inet_diag.h> - #include <linux/sock_diag.h> - --static const struct sock_diag_handler *sock_diag_handlers[AF_MAX]; -+static const struct sock_diag_handler *sock_diag_handlers[AF_MAX] __read_only; - static int (*inet_rcv_compat)(struct sk_buff *skb, struct nlmsghdr *nlh); - static DEFINE_MUTEX(sock_diag_table_mutex); - -@@ -127,8 +127,11 @@ int sock_diag_register(const struct sock_diag_handler *hndl) - mutex_lock(&sock_diag_table_mutex); - if (sock_diag_handlers[hndl->family]) - err = -EBUSY; -- else -+ else { -+ pax_open_kernel(); - sock_diag_handlers[hndl->family] = hndl; -+ pax_close_kernel(); -+ } - mutex_unlock(&sock_diag_table_mutex); - - return err; -@@ -144,7 +147,9 @@ void sock_diag_unregister(const struct sock_diag_handler *hnld) - - mutex_lock(&sock_diag_table_mutex); - BUG_ON(sock_diag_handlers[family] != hnld); -+ pax_open_kernel(); - sock_diag_handlers[family] = NULL; -+ pax_close_kernel(); - mutex_unlock(&sock_diag_table_mutex); - } - EXPORT_SYMBOL_GPL(sock_diag_unregister); -diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c -index 95b6139..3048623 100644 ---- a/net/core/sysctl_net_core.c -+++ b/net/core/sysctl_net_core.c -@@ -35,7 +35,7 @@ static int rps_sock_flow_sysctl(struct ctl_table *table, int write, - { - unsigned int orig_size, size; - int ret, i; -- struct ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &size, - .maxlen = sizeof(size), - .mode = table->mode -@@ -203,7 +203,7 @@ static int set_default_qdisc(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - char id[IFNAMSIZ]; -- struct ctl_table tbl = { -+ ctl_table_no_const tbl = { - .data = id, - .maxlen = IFNAMSIZ, - }; -@@ -221,7 +221,7 @@ static int set_default_qdisc(struct ctl_table *table, int write, - static int proc_do_rss_key(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table fake_table; -+ ctl_table_no_const fake_table; - char buf[NETDEV_RSS_KEY_LEN * 3]; - - snprintf(buf, sizeof(buf), "%*phC", NETDEV_RSS_KEY_LEN, netdev_rss_key); -@@ -285,7 +285,7 @@ static struct ctl_table net_core_table[] = { - .mode = 0444, - .proc_handler = proc_do_rss_key, - }, --#ifdef CONFIG_BPF_JIT -+#if defined(CONFIG_BPF_JIT) && !defined(CONFIG_GRKERNSEC_BPF_HARDEN) - { - .procname = "bpf_jit_enable", - .data = &bpf_jit_enable, -@@ -409,13 +409,12 @@ static struct ctl_table netns_core_table[] = { - - static __net_init int sysctl_core_net_init(struct net *net) - { -- struct ctl_table *tbl; -+ ctl_table_no_const *tbl = NULL; - - net->core.sysctl_somaxconn = SOMAXCONN; - -- tbl = netns_core_table; - if (!net_eq(net, &init_net)) { -- tbl = kmemdup(tbl, sizeof(netns_core_table), GFP_KERNEL); -+ tbl = kmemdup(netns_core_table, sizeof(netns_core_table), GFP_KERNEL); - if (tbl == NULL) - goto err_dup; - -@@ -425,17 +424,16 @@ static __net_init int sysctl_core_net_init(struct net *net) - if (net->user_ns != &init_user_ns) { - tbl[0].procname = NULL; - } -- } -- -- net->core.sysctl_hdr = register_net_sysctl(net, "net/core", tbl); -+ net->core.sysctl_hdr = register_net_sysctl(net, "net/core", tbl); -+ } else -+ net->core.sysctl_hdr = register_net_sysctl(net, "net/core", netns_core_table); - if (net->core.sysctl_hdr == NULL) - goto err_reg; - - return 0; - - err_reg: -- if (tbl != netns_core_table) -- kfree(tbl); -+ kfree(tbl); - err_dup: - return -ENOMEM; - } -@@ -450,7 +448,7 @@ static __net_exit void sysctl_core_net_exit(struct net *net) - kfree(tbl); - } - --static __net_initdata struct pernet_operations sysctl_core_ops = { -+static __net_initconst struct pernet_operations sysctl_core_ops = { - .init = sysctl_core_net_init, - .exit = sysctl_core_net_exit, - }; -diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c -index 754484b..4f4b894 100644 ---- a/net/decnet/af_decnet.c -+++ b/net/decnet/af_decnet.c -@@ -466,6 +466,7 @@ static struct proto dn_proto = { - .sysctl_rmem = sysctl_decnet_rmem, - .max_header = DN_MAX_NSP_DATA_HEADER + 64, - .obj_size = sizeof(struct dn_sock), -+ .slab_flags = SLAB_USERCOPY, - }; - - static struct sock *dn_alloc_sock(struct net *net, struct socket *sock, gfp_t gfp) -diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c -index b2c26b0..41f803e 100644 ---- a/net/decnet/dn_dev.c -+++ b/net/decnet/dn_dev.c -@@ -201,7 +201,7 @@ static struct dn_dev_sysctl_table { - .extra1 = &min_t3, - .extra2 = &max_t3 - }, -- {0} -+ { } - }, - }; - -diff --git a/net/decnet/sysctl_net_decnet.c b/net/decnet/sysctl_net_decnet.c -index 5325b54..a0d4d69 100644 ---- a/net/decnet/sysctl_net_decnet.c -+++ b/net/decnet/sysctl_net_decnet.c -@@ -174,7 +174,7 @@ static int dn_node_address_handler(struct ctl_table *table, int write, - - if (len > *lenp) len = *lenp; - -- if (copy_to_user(buffer, addr, len)) -+ if (len > sizeof addr || copy_to_user(buffer, addr, len)) - return -EFAULT; - - *lenp = len; -@@ -237,7 +237,7 @@ static int dn_def_dev_handler(struct ctl_table *table, int write, - - if (len > *lenp) len = *lenp; - -- if (copy_to_user(buffer, devname, len)) -+ if (len > sizeof devname || copy_to_user(buffer, devname, len)) - return -EFAULT; - - *lenp = len; -diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c -index 392e29a..da953a2 100644 ---- a/net/dsa/dsa.c -+++ b/net/dsa/dsa.c -@@ -851,7 +851,7 @@ static struct packet_type dsa_pack_type __read_mostly = { - .func = dsa_switch_rcv, - }; - --static struct notifier_block dsa_netdevice_nb __read_mostly = { -+static struct notifier_block dsa_netdevice_nb = { - .notifier_call = dsa_slave_netdevice_event, - }; - -diff --git a/net/hsr/hsr_netlink.c b/net/hsr/hsr_netlink.c -index a2c7e4c..3dc9f67 100644 ---- a/net/hsr/hsr_netlink.c -+++ b/net/hsr/hsr_netlink.c -@@ -102,7 +102,7 @@ nla_put_failure: - return -EMSGSIZE; - } - --static struct rtnl_link_ops hsr_link_ops __read_mostly = { -+static struct rtnl_link_ops hsr_link_ops = { - .kind = "hsr", - .maxtype = IFLA_HSR_MAX, - .policy = hsr_policy, -diff --git a/net/ieee802154/6lowpan/core.c b/net/ieee802154/6lowpan/core.c -index 0ae5822..3fe3627 100644 ---- a/net/ieee802154/6lowpan/core.c -+++ b/net/ieee802154/6lowpan/core.c -@@ -219,7 +219,7 @@ static void lowpan_dellink(struct net_device *dev, struct list_head *head) - dev_put(real_dev); - } - --static struct rtnl_link_ops lowpan_link_ops __read_mostly = { -+static struct rtnl_link_ops lowpan_link_ops = { - .kind = "lowpan", - .priv_size = sizeof(struct lowpan_dev_info), - .setup = lowpan_setup, -diff --git a/net/ieee802154/6lowpan/reassembly.c b/net/ieee802154/6lowpan/reassembly.c -index f46e4d1..dcb7f86 100644 ---- a/net/ieee802154/6lowpan/reassembly.c -+++ b/net/ieee802154/6lowpan/reassembly.c -@@ -207,7 +207,7 @@ found: - } else { - fq->q.meat += skb->len; - } -- add_frag_mem_limit(&fq->q, skb->truesize); -+ add_frag_mem_limit(fq->q.net, skb->truesize); - - if (fq->q.flags == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) && - fq->q.meat == fq->q.len) { -@@ -287,7 +287,7 @@ static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev, - clone->data_len = clone->len; - head->data_len -= clone->len; - head->len -= clone->len; -- add_frag_mem_limit(&fq->q, clone->truesize); -+ add_frag_mem_limit(fq->q.net, clone->truesize); - } - - WARN_ON(head == NULL); -@@ -310,7 +310,7 @@ static int lowpan_frag_reasm(struct lowpan_frag_queue *fq, struct sk_buff *prev, - } - fp = next; - } -- sub_frag_mem_limit(&fq->q, sum_truesize); -+ sub_frag_mem_limit(fq->q.net, sum_truesize); - - head->next = NULL; - head->dev = dev; -@@ -435,14 +435,13 @@ static struct ctl_table lowpan_frags_ctl_table[] = { - - static int __net_init lowpan_frags_ns_sysctl_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - struct netns_ieee802154_lowpan *ieee802154_lowpan = - net_ieee802154_lowpan(net); - -- table = lowpan_frags_ns_ctl_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(lowpan_frags_ns_ctl_table), -+ table = kmemdup(lowpan_frags_ns_ctl_table, sizeof(lowpan_frags_ns_ctl_table), - GFP_KERNEL); - if (table == NULL) - goto err_alloc; -@@ -457,9 +456,9 @@ static int __net_init lowpan_frags_ns_sysctl_register(struct net *net) - /* Don't export sysctls to unprivileged users */ - if (net->user_ns != &init_user_ns) - table[0].procname = NULL; -- } -- -- hdr = register_net_sysctl(net, "net/ieee802154/6lowpan", table); -+ hdr = register_net_sysctl(net, "net/ieee802154/6lowpan", table); -+ } else -+ hdr = register_net_sysctl(net, "net/ieee802154/6lowpan", lowpan_frags_ns_ctl_table); - if (hdr == NULL) - goto err_reg; - -@@ -467,8 +466,7 @@ static int __net_init lowpan_frags_ns_sysctl_register(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c -index a5aa54e..3bd5f9f 100644 ---- a/net/ipv4/af_inet.c -+++ b/net/ipv4/af_inet.c -@@ -1391,7 +1391,7 @@ int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len) - return ip_recv_error(sk, msg, len, addr_len); - #if IS_ENABLED(CONFIG_IPV6) - if (sk->sk_family == AF_INET6) -- return pingv6_ops.ipv6_recv_error(sk, msg, len, addr_len); -+ return pingv6_ops->ipv6_recv_error(sk, msg, len, addr_len); - #endif - return -EINVAL; - } -diff --git a/net/ipv4/devinet.c b/net/ipv4/devinet.c -index 419d23c..2084616 100644 ---- a/net/ipv4/devinet.c -+++ b/net/ipv4/devinet.c -@@ -69,7 +69,8 @@ - - static struct ipv4_devconf ipv4_devconf = { - .data = { -- [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1, -+ [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 0, -+ [IPV4_DEVCONF_RP_FILTER - 1] = 1, - [IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1, - [IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1, - [IPV4_DEVCONF_SHARED_MEDIA - 1] = 1, -@@ -80,7 +81,8 @@ static struct ipv4_devconf ipv4_devconf = { - - static struct ipv4_devconf ipv4_devconf_dflt = { - .data = { -- [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 1, -+ [IPV4_DEVCONF_ACCEPT_REDIRECTS - 1] = 0, -+ [IPV4_DEVCONF_RP_FILTER - 1] = 1, - [IPV4_DEVCONF_SEND_REDIRECTS - 1] = 1, - [IPV4_DEVCONF_SECURE_REDIRECTS - 1] = 1, - [IPV4_DEVCONF_SHARED_MEDIA - 1] = 1, -@@ -1580,7 +1582,7 @@ static int inet_dump_ifaddr(struct sk_buff *skb, struct netlink_callback *cb) - idx = 0; - head = &net->dev_index_head[h]; - rcu_read_lock(); -- cb->seq = atomic_read(&net->ipv4.dev_addr_genid) ^ -+ cb->seq = atomic_read_unchecked(&net->ipv4.dev_addr_genid) ^ - net->dev_base_seq; - hlist_for_each_entry_rcu(dev, head, index_hlist) { - if (idx < s_idx) -@@ -1899,7 +1901,7 @@ static int inet_netconf_dump_devconf(struct sk_buff *skb, - idx = 0; - head = &net->dev_index_head[h]; - rcu_read_lock(); -- cb->seq = atomic_read(&net->ipv4.dev_addr_genid) ^ -+ cb->seq = atomic_read_unchecked(&net->ipv4.dev_addr_genid) ^ - net->dev_base_seq; - hlist_for_each_entry_rcu(dev, head, index_hlist) { - if (idx < s_idx) -@@ -2134,7 +2136,7 @@ static int ipv4_doint_and_flush(struct ctl_table *ctl, int write, - #define DEVINET_SYSCTL_FLUSHING_ENTRY(attr, name) \ - DEVINET_SYSCTL_COMPLEX_ENTRY(attr, name, ipv4_doint_and_flush) - --static struct devinet_sysctl_table { -+static const struct devinet_sysctl_table { - struct ctl_table_header *sysctl_header; - struct ctl_table devinet_vars[__IPV4_DEVCONF_MAX]; - } devinet_sysctl = { -@@ -2266,7 +2268,7 @@ static __net_init int devinet_init_net(struct net *net) - int err; - struct ipv4_devconf *all, *dflt; - #ifdef CONFIG_SYSCTL -- struct ctl_table *tbl = ctl_forward_entry; -+ ctl_table_no_const *tbl = NULL; - struct ctl_table_header *forw_hdr; - #endif - -@@ -2284,7 +2286,7 @@ static __net_init int devinet_init_net(struct net *net) - goto err_alloc_dflt; - - #ifdef CONFIG_SYSCTL -- tbl = kmemdup(tbl, sizeof(ctl_forward_entry), GFP_KERNEL); -+ tbl = kmemdup(ctl_forward_entry, sizeof(ctl_forward_entry), GFP_KERNEL); - if (!tbl) - goto err_alloc_ctl; - -@@ -2304,7 +2306,10 @@ static __net_init int devinet_init_net(struct net *net) - goto err_reg_dflt; - - err = -ENOMEM; -- forw_hdr = register_net_sysctl(net, "net/ipv4", tbl); -+ if (!net_eq(net, &init_net)) -+ forw_hdr = register_net_sysctl(net, "net/ipv4", tbl); -+ else -+ forw_hdr = register_net_sysctl(net, "net/ipv4", ctl_forward_entry); - if (!forw_hdr) - goto err_reg_ctl; - net->ipv4.forw_hdr = forw_hdr; -@@ -2320,8 +2325,7 @@ err_reg_ctl: - err_reg_dflt: - __devinet_sysctl_unregister(all); - err_reg_all: -- if (tbl != ctl_forward_entry) -- kfree(tbl); -+ kfree(tbl); - err_alloc_ctl: - #endif - if (dflt != &ipv4_devconf_dflt) -diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c -index 872494e..8e0b4d1 100644 ---- a/net/ipv4/fib_frontend.c -+++ b/net/ipv4/fib_frontend.c -@@ -1083,12 +1083,12 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event, - #ifdef CONFIG_IP_ROUTE_MULTIPATH - fib_sync_up(dev); - #endif -- atomic_inc(&net->ipv4.dev_addr_genid); -+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid); - rt_cache_flush(dev_net(dev)); - break; - case NETDEV_DOWN: - fib_del_ifaddr(ifa, NULL); -- atomic_inc(&net->ipv4.dev_addr_genid); -+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid); - if (!ifa->ifa_dev->ifa_list) { - /* Last address was deleted from this interface. - * Disable IP. -@@ -1126,7 +1126,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo - #ifdef CONFIG_IP_ROUTE_MULTIPATH - fib_sync_up(dev); - #endif -- atomic_inc(&net->ipv4.dev_addr_genid); -+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid); - rt_cache_flush(net); - break; - case NETDEV_DOWN: -diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c -index 8d695b6..752d427a 100644 ---- a/net/ipv4/fib_semantics.c -+++ b/net/ipv4/fib_semantics.c -@@ -752,7 +752,7 @@ __be32 fib_info_update_nh_saddr(struct net *net, struct fib_nh *nh) - nh->nh_saddr = inet_select_addr(nh->nh_dev, - nh->nh_gw, - nh->nh_parent->fib_scope); -- nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid); -+ nh->nh_saddr_genid = atomic_read_unchecked(&net->ipv4.dev_addr_genid); - - return nh->nh_saddr; - } -diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c -index 09b62e1..2871350 100644 ---- a/net/ipv4/fib_trie.c -+++ b/net/ipv4/fib_trie.c -@@ -2457,7 +2457,7 @@ static struct key_vector *fib_route_get_idx(struct fib_route_iter *iter, - key = l->key + 1; - iter->pos++; - -- if (pos-- <= 0) -+ if (--pos <= 0) - break; - - l = NULL; -diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c -index 5e346a0..d0a7c03 100644 ---- a/net/ipv4/inet_fragment.c -+++ b/net/ipv4/inet_fragment.c -@@ -131,34 +131,22 @@ inet_evict_bucket(struct inet_frags *f, struct inet_frag_bucket *hb) - unsigned int evicted = 0; - HLIST_HEAD(expired); - --evict_again: - spin_lock(&hb->chain_lock); - - hlist_for_each_entry_safe(fq, n, &hb->chain, list) { - if (!inet_fragq_should_evict(fq)) - continue; - -- if (!del_timer(&fq->timer)) { -- /* q expiring right now thus increment its refcount so -- * it won't be freed under us and wait until the timer -- * has finished executing then destroy it -- */ -- atomic_inc(&fq->refcnt); -- spin_unlock(&hb->chain_lock); -- del_timer_sync(&fq->timer); -- inet_frag_put(fq, f); -- goto evict_again; -- } -+ if (!del_timer(&fq->timer)) -+ continue; - -- fq->flags |= INET_FRAG_EVICTED; -- hlist_del(&fq->list); -- hlist_add_head(&fq->list, &expired); -+ hlist_add_head(&fq->list_evictor, &expired); - ++evicted; - } - - spin_unlock(&hb->chain_lock); - -- hlist_for_each_entry_safe(fq, n, &expired, list) -+ hlist_for_each_entry_safe(fq, n, &expired, list_evictor) - f->frag_expire((unsigned long) fq); - - return evicted; -@@ -240,19 +228,21 @@ void inet_frags_exit_net(struct netns_frags *nf, struct inet_frags *f) - int i; - - nf->low_thresh = 0; -- local_bh_disable(); - - evict_again: -+ local_bh_disable(); - seq = read_seqbegin(&f->rnd_seqlock); - - for (i = 0; i < INETFRAGS_HASHSZ ; i++) - inet_evict_bucket(f, &f->hash[i]); - -- if (read_seqretry(&f->rnd_seqlock, seq)) -+ local_bh_enable(); -+ cond_resched(); -+ -+ if (read_seqretry(&f->rnd_seqlock, seq) || -+ percpu_counter_sum(&nf->mem)) - goto evict_again; - -- local_bh_enable(); -- - percpu_counter_destroy(&nf->mem); - } - EXPORT_SYMBOL(inet_frags_exit_net); -@@ -284,8 +274,8 @@ static inline void fq_unlink(struct inet_frag_queue *fq, struct inet_frags *f) - struct inet_frag_bucket *hb; - - hb = get_frag_bucket_locked(fq, f); -- if (!(fq->flags & INET_FRAG_EVICTED)) -- hlist_del(&fq->list); -+ hlist_del(&fq->list); -+ fq->flags |= INET_FRAG_COMPLETE; - spin_unlock(&hb->chain_lock); - } - -@@ -297,7 +287,6 @@ void inet_frag_kill(struct inet_frag_queue *fq, struct inet_frags *f) - if (!(fq->flags & INET_FRAG_COMPLETE)) { - fq_unlink(fq, f); - atomic_dec(&fq->refcnt); -- fq->flags |= INET_FRAG_COMPLETE; - } - } - EXPORT_SYMBOL(inet_frag_kill); -@@ -330,11 +319,12 @@ void inet_frag_destroy(struct inet_frag_queue *q, struct inet_frags *f) - fp = xp; - } - sum = sum_truesize + f->qsize; -- sub_frag_mem_limit(q, sum); - - if (f->destructor) - f->destructor(q); - kmem_cache_free(f->frags_cachep, q); -+ -+ sub_frag_mem_limit(nf, sum); - } - EXPORT_SYMBOL(inet_frag_destroy); - -@@ -390,7 +380,7 @@ static struct inet_frag_queue *inet_frag_alloc(struct netns_frags *nf, - - q->net = nf; - f->constructor(q, arg); -- add_frag_mem_limit(q, f->qsize); -+ add_frag_mem_limit(nf, f->qsize); - - setup_timer(&q->timer, f->frag_expire, (unsigned long)q); - spin_lock_init(&q->lock); -diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c -index c6fb80b..8705495 100644 ---- a/net/ipv4/inet_hashtables.c -+++ b/net/ipv4/inet_hashtables.c -@@ -18,6 +18,7 @@ - #include <linux/sched.h> - #include <linux/slab.h> - #include <linux/wait.h> -+#include <linux/security.h> - - #include <net/inet_connection_sock.h> - #include <net/inet_hashtables.h> -@@ -53,6 +54,8 @@ u32 sk_ehashfn(const struct sock *sk) - sk->sk_daddr, sk->sk_dport); - } - -+extern void gr_update_task_in_ip_table(const struct inet_sock *inet); -+ - /* - * Allocate and initialize a new local port bind bucket. - * The bindhash mutex for snum's hash chain must be held here. -@@ -564,6 +567,8 @@ ok: - twrefcnt += inet_twsk_bind_unhash(tw, hinfo); - spin_unlock(&head->lock); - -+ gr_update_task_in_ip_table(inet_sk(sk)); -+ - if (tw) { - inet_twsk_deschedule(tw); - while (twrefcnt) { -diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c -index 241afd7..31b95d5 100644 ---- a/net/ipv4/inetpeer.c -+++ b/net/ipv4/inetpeer.c -@@ -461,7 +461,7 @@ relookup: - if (p) { - p->daddr = *daddr; - atomic_set(&p->refcnt, 1); -- atomic_set(&p->rid, 0); -+ atomic_set_unchecked(&p->rid, 0); - p->metrics[RTAX_LOCK-1] = INETPEER_METRICS_NEW; - p->rate_tokens = 0; - /* 60*HZ is arbitrary, but chosen enough high so that the first -diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c -index cc1da6d..593fc73 100644 ---- a/net/ipv4/ip_fragment.c -+++ b/net/ipv4/ip_fragment.c -@@ -192,7 +192,7 @@ static void ip_expire(unsigned long arg) - ipq_kill(qp); - IP_INC_STATS_BH(net, IPSTATS_MIB_REASMFAILS); - -- if (!(qp->q.flags & INET_FRAG_EVICTED)) { -+ if (!inet_frag_evicting(&qp->q)) { - struct sk_buff *head = qp->q.fragments; - const struct iphdr *iph; - int err; -@@ -268,7 +268,7 @@ static int ip_frag_too_far(struct ipq *qp) - return 0; - - start = qp->rid; -- end = atomic_inc_return(&peer->rid); -+ end = atomic_inc_return_unchecked(&peer->rid); - qp->rid = end; - - rc = qp->q.fragments && (end - start) > max; -@@ -301,7 +301,7 @@ static int ip_frag_reinit(struct ipq *qp) - kfree_skb(fp); - fp = xp; - } while (fp); -- sub_frag_mem_limit(&qp->q, sum_truesize); -+ sub_frag_mem_limit(qp->q.net, sum_truesize); - - qp->q.flags = 0; - qp->q.len = 0; -@@ -446,7 +446,7 @@ found: - qp->q.fragments = next; - - qp->q.meat -= free_it->len; -- sub_frag_mem_limit(&qp->q, free_it->truesize); -+ sub_frag_mem_limit(qp->q.net, free_it->truesize); - kfree_skb(free_it); - } - } -@@ -470,7 +470,7 @@ found: - qp->q.stamp = skb->tstamp; - qp->q.meat += skb->len; - qp->ecn |= ecn; -- add_frag_mem_limit(&qp->q, skb->truesize); -+ add_frag_mem_limit(qp->q.net, skb->truesize); - if (offset == 0) - qp->q.flags |= INET_FRAG_FIRST_IN; - -@@ -573,7 +573,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, - head->len -= clone->len; - clone->csum = 0; - clone->ip_summed = head->ip_summed; -- add_frag_mem_limit(&qp->q, clone->truesize); -+ add_frag_mem_limit(qp->q.net, clone->truesize); - } - - skb_push(head, head->data - skb_network_header(head)); -@@ -601,7 +601,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev, - } - fp = next; - } -- sub_frag_mem_limit(&qp->q, sum_truesize); -+ sub_frag_mem_limit(qp->q.net, sum_truesize); - - head->next = NULL; - head->dev = dev; -@@ -750,12 +750,11 @@ static struct ctl_table ip4_frags_ctl_table[] = { - - static int __net_init ip4_frags_ns_ctl_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - -- table = ip4_frags_ns_ctl_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(ip4_frags_ns_ctl_table), GFP_KERNEL); -+ table = kmemdup(ip4_frags_ns_ctl_table, sizeof(ip4_frags_ns_ctl_table), GFP_KERNEL); - if (!table) - goto err_alloc; - -@@ -769,9 +768,10 @@ static int __net_init ip4_frags_ns_ctl_register(struct net *net) - /* Don't export sysctls to unprivileged users */ - if (net->user_ns != &init_user_ns) - table[0].procname = NULL; -- } -+ hdr = register_net_sysctl(net, "net/ipv4", table); -+ } else -+ hdr = register_net_sysctl(net, "net/ipv4", ip4_frags_ns_ctl_table); - -- hdr = register_net_sysctl(net, "net/ipv4", table); - if (!hdr) - goto err_reg; - -@@ -779,8 +779,7 @@ static int __net_init ip4_frags_ns_ctl_register(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c -index 5fd7064..d13d75f 100644 ---- a/net/ipv4/ip_gre.c -+++ b/net/ipv4/ip_gre.c -@@ -115,7 +115,7 @@ static bool log_ecn_error = true; - module_param(log_ecn_error, bool, 0644); - MODULE_PARM_DESC(log_ecn_error, "Log packets received with corrupted ECN"); - --static struct rtnl_link_ops ipgre_link_ops __read_mostly; -+static struct rtnl_link_ops ipgre_link_ops; - static int ipgre_tunnel_init(struct net_device *dev); - - static int ipgre_net_id __read_mostly; -@@ -819,7 +819,7 @@ static const struct nla_policy ipgre_policy[IFLA_GRE_MAX + 1] = { - [IFLA_GRE_ENCAP_DPORT] = { .type = NLA_U16 }, - }; - --static struct rtnl_link_ops ipgre_link_ops __read_mostly = { -+static struct rtnl_link_ops ipgre_link_ops = { - .kind = "gre", - .maxtype = IFLA_GRE_MAX, - .policy = ipgre_policy, -@@ -834,7 +834,7 @@ static struct rtnl_link_ops ipgre_link_ops __read_mostly = { - .get_link_net = ip_tunnel_get_link_net, - }; - --static struct rtnl_link_ops ipgre_tap_ops __read_mostly = { -+static struct rtnl_link_ops ipgre_tap_ops = { - .kind = "gretap", - .maxtype = IFLA_GRE_MAX, - .policy = ipgre_policy, -diff --git a/net/ipv4/ip_input.c b/net/ipv4/ip_input.c -index 2db4c87..4db9282 100644 ---- a/net/ipv4/ip_input.c -+++ b/net/ipv4/ip_input.c -@@ -147,6 +147,10 @@ - #include <linux/mroute.h> - #include <linux/netlink.h> - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - /* - * Process Router Attention IP option (RFC 2113) - */ -@@ -223,6 +227,9 @@ static int ip_local_deliver_finish(struct sock *sk, struct sk_buff *skb) - if (!raw) { - if (xfrm4_policy_check(NULL, XFRM_POLICY_IN, skb)) { - IP_INC_STATS_BH(net, IPSTATS_MIB_INUNKNOWNPROTOS); -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK)) -+#endif - icmp_send(skb, ICMP_DEST_UNREACH, - ICMP_PROT_UNREACH, 0); - } -diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c -index 6ddde89..653e224 100644 ---- a/net/ipv4/ip_sockglue.c -+++ b/net/ipv4/ip_sockglue.c -@@ -1291,7 +1291,8 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname, - len = min_t(unsigned int, len, opt->optlen); - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, opt->__data, len)) -+ if ((len > (sizeof(optbuf) - sizeof(struct ip_options))) || -+ copy_to_user(optval, opt->__data, len)) - return -EFAULT; - return 0; - } -@@ -1425,7 +1426,7 @@ static int do_ip_getsockopt(struct sock *sk, int level, int optname, - if (sk->sk_type != SOCK_STREAM) - return -ENOPROTOOPT; - -- msg.msg_control = (__force void *) optval; -+ msg.msg_control = (__force_kernel void *) optval; - msg.msg_controllen = len; - msg.msg_flags = flags; - -diff --git a/net/ipv4/ip_vti.c b/net/ipv4/ip_vti.c -index 0c15208..a3a76c5 100644 ---- a/net/ipv4/ip_vti.c -+++ b/net/ipv4/ip_vti.c -@@ -45,7 +45,7 @@ - #include <net/net_namespace.h> - #include <net/netns/generic.h> - --static struct rtnl_link_ops vti_link_ops __read_mostly; -+static struct rtnl_link_ops vti_link_ops; - - static int vti_net_id __read_mostly; - static int vti_tunnel_init(struct net_device *dev); -@@ -525,7 +525,7 @@ static const struct nla_policy vti_policy[IFLA_VTI_MAX + 1] = { - [IFLA_VTI_REMOTE] = { .len = FIELD_SIZEOF(struct iphdr, daddr) }, - }; - --static struct rtnl_link_ops vti_link_ops __read_mostly = { -+static struct rtnl_link_ops vti_link_ops = { - .kind = "vti", - .maxtype = IFLA_VTI_MAX, - .policy = vti_policy, -diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c -index 8e7328c..9bd7ed3 100644 ---- a/net/ipv4/ipconfig.c -+++ b/net/ipv4/ipconfig.c -@@ -333,7 +333,7 @@ static int __init ic_devinet_ioctl(unsigned int cmd, struct ifreq *arg) - - mm_segment_t oldfs = get_fs(); - set_fs(get_ds()); -- res = devinet_ioctl(&init_net, cmd, (struct ifreq __user *) arg); -+ res = devinet_ioctl(&init_net, cmd, (struct ifreq __force_user *) arg); - set_fs(oldfs); - return res; - } -@@ -344,7 +344,7 @@ static int __init ic_dev_ioctl(unsigned int cmd, struct ifreq *arg) - - mm_segment_t oldfs = get_fs(); - set_fs(get_ds()); -- res = dev_ioctl(&init_net, cmd, (struct ifreq __user *) arg); -+ res = dev_ioctl(&init_net, cmd, (struct ifreq __force_user *) arg); - set_fs(oldfs); - return res; - } -@@ -355,7 +355,7 @@ static int __init ic_route_ioctl(unsigned int cmd, struct rtentry *arg) - - mm_segment_t oldfs = get_fs(); - set_fs(get_ds()); -- res = ip_rt_ioctl(&init_net, cmd, (void __user *) arg); -+ res = ip_rt_ioctl(&init_net, cmd, (void __force_user *) arg); - set_fs(oldfs); - return res; - } -diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c -index ff96396..2e928ba 100644 ---- a/net/ipv4/ipip.c -+++ b/net/ipv4/ipip.c -@@ -124,7 +124,7 @@ MODULE_PARM_DESC(log_ecn_error, "Log packets received with corrupted ECN"); - static int ipip_net_id __read_mostly; - - static int ipip_tunnel_init(struct net_device *dev); --static struct rtnl_link_ops ipip_link_ops __read_mostly; -+static struct rtnl_link_ops ipip_link_ops; - - static int ipip_err(struct sk_buff *skb, u32 info) - { -@@ -487,7 +487,7 @@ static const struct nla_policy ipip_policy[IFLA_IPTUN_MAX + 1] = { - [IFLA_IPTUN_ENCAP_DPORT] = { .type = NLA_U16 }, - }; - --static struct rtnl_link_ops ipip_link_ops __read_mostly = { -+static struct rtnl_link_ops ipip_link_ops = { - .kind = "ipip", - .maxtype = IFLA_IPTUN_MAX, - .policy = ipip_policy, -diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c -index a612007..99ac4bc5 100644 ---- a/net/ipv4/netfilter/arp_tables.c -+++ b/net/ipv4/netfilter/arp_tables.c -@@ -884,14 +884,14 @@ static int compat_table_info(const struct xt_table_info *info, - #endif - - static int get_info(struct net *net, void __user *user, -- const int *len, int compat) -+ int len, int compat) - { - char name[XT_TABLE_MAXNAMELEN]; - struct xt_table *t; - int ret; - -- if (*len != sizeof(struct arpt_getinfo)) { -- duprintf("length %u != %Zu\n", *len, -+ if (len != sizeof(struct arpt_getinfo)) { -+ duprintf("length %u != %Zu\n", len, - sizeof(struct arpt_getinfo)); - return -EINVAL; - } -@@ -928,7 +928,7 @@ static int get_info(struct net *net, void __user *user, - info.size = private->size; - strcpy(info.name, name); - -- if (copy_to_user(user, &info, *len) != 0) -+ if (copy_to_user(user, &info, len) != 0) - ret = -EFAULT; - else - ret = 0; -@@ -1695,7 +1695,7 @@ static int compat_do_arpt_get_ctl(struct sock *sk, int cmd, void __user *user, - - switch (cmd) { - case ARPT_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 1); -+ ret = get_info(sock_net(sk), user, *len, 1); - break; - case ARPT_SO_GET_ENTRIES: - ret = compat_get_entries(sock_net(sk), user, len); -@@ -1740,7 +1740,7 @@ static int do_arpt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len - - switch (cmd) { - case ARPT_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 0); -+ ret = get_info(sock_net(sk), user, *len, 0); - break; - - case ARPT_SO_GET_ENTRIES: -diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c -index 2d0e265..67e5b8d 100644 ---- a/net/ipv4/netfilter/ip_tables.c -+++ b/net/ipv4/netfilter/ip_tables.c -@@ -1072,14 +1072,14 @@ static int compat_table_info(const struct xt_table_info *info, - #endif - - static int get_info(struct net *net, void __user *user, -- const int *len, int compat) -+ int len, int compat) - { - char name[XT_TABLE_MAXNAMELEN]; - struct xt_table *t; - int ret; - -- if (*len != sizeof(struct ipt_getinfo)) { -- duprintf("length %u != %zu\n", *len, -+ if (len != sizeof(struct ipt_getinfo)) { -+ duprintf("length %u != %zu\n", len, - sizeof(struct ipt_getinfo)); - return -EINVAL; - } -@@ -1116,7 +1116,7 @@ static int get_info(struct net *net, void __user *user, - info.size = private->size; - strcpy(info.name, name); - -- if (copy_to_user(user, &info, *len) != 0) -+ if (copy_to_user(user, &info, len) != 0) - ret = -EFAULT; - else - ret = 0; -@@ -1978,7 +1978,7 @@ compat_do_ipt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) - - switch (cmd) { - case IPT_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 1); -+ ret = get_info(sock_net(sk), user, *len, 1); - break; - case IPT_SO_GET_ENTRIES: - ret = compat_get_entries(sock_net(sk), user, len); -@@ -2025,7 +2025,7 @@ do_ipt_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) - - switch (cmd) { - case IPT_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 0); -+ ret = get_info(sock_net(sk), user, *len, 0); - break; - - case IPT_SO_GET_ENTRIES: -diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c -index 771ab3d..5b99b18 100644 ---- a/net/ipv4/netfilter/ipt_CLUSTERIP.c -+++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c -@@ -725,7 +725,7 @@ static int clusterip_net_init(struct net *net) - spin_lock_init(&cn->lock); - - #ifdef CONFIG_PROC_FS -- cn->procdir = proc_mkdir("ipt_CLUSTERIP", net->proc_net); -+ cn->procdir = proc_mkdir_restrict("ipt_CLUSTERIP", net->proc_net); - if (!cn->procdir) { - pr_err("Unable to proc dir entry\n"); - return -ENOMEM; -diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c -index 05ff44b..da00000 100644 ---- a/net/ipv4/ping.c -+++ b/net/ipv4/ping.c -@@ -59,7 +59,7 @@ struct ping_table { - }; - - static struct ping_table ping_table; --struct pingv6_ops pingv6_ops; -+struct pingv6_ops *pingv6_ops; - EXPORT_SYMBOL_GPL(pingv6_ops); - - static u16 ping_port_rover; -@@ -359,7 +359,7 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk, - return -ENODEV; - } - } -- has_addr = pingv6_ops.ipv6_chk_addr(net, &addr->sin6_addr, dev, -+ has_addr = pingv6_ops->ipv6_chk_addr(net, &addr->sin6_addr, dev, - scoped); - rcu_read_unlock(); - -@@ -567,7 +567,7 @@ void ping_err(struct sk_buff *skb, int offset, u32 info) - } - #if IS_ENABLED(CONFIG_IPV6) - } else if (skb->protocol == htons(ETH_P_IPV6)) { -- harderr = pingv6_ops.icmpv6_err_convert(type, code, &err); -+ harderr = pingv6_ops->icmpv6_err_convert(type, code, &err); - #endif - } - -@@ -585,7 +585,7 @@ void ping_err(struct sk_buff *skb, int offset, u32 info) - info, (u8 *)icmph); - #if IS_ENABLED(CONFIG_IPV6) - } else if (family == AF_INET6) { -- pingv6_ops.ipv6_icmp_error(sk, skb, err, 0, -+ pingv6_ops->ipv6_icmp_error(sk, skb, err, 0, - info, (u8 *)icmph); - #endif - } -@@ -918,10 +918,10 @@ int ping_recvmsg(struct sock *sk, struct msghdr *msg, size_t len, int noblock, - } - - if (inet6_sk(sk)->rxopt.all) -- pingv6_ops.ip6_datagram_recv_common_ctl(sk, msg, skb); -+ pingv6_ops->ip6_datagram_recv_common_ctl(sk, msg, skb); - if (skb->protocol == htons(ETH_P_IPV6) && - inet6_sk(sk)->rxopt.all) -- pingv6_ops.ip6_datagram_recv_specific_ctl(sk, msg, skb); -+ pingv6_ops->ip6_datagram_recv_specific_ctl(sk, msg, skb); - else if (skb->protocol == htons(ETH_P_IP) && isk->cmsg_flags) - ip_cmsg_recv(msg, skb); - #endif -@@ -1116,7 +1116,7 @@ static void ping_v4_format_sock(struct sock *sp, struct seq_file *f, - from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)), - 0, sock_i_ino(sp), - atomic_read(&sp->sk_refcnt), sp, -- atomic_read(&sp->sk_drops)); -+ atomic_read_unchecked(&sp->sk_drops)); - } - - static int ping_v4_seq_show(struct seq_file *seq, void *v) -diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c -index 561cd4b..a32a155 100644 ---- a/net/ipv4/raw.c -+++ b/net/ipv4/raw.c -@@ -323,7 +323,7 @@ static int raw_rcv_skb(struct sock *sk, struct sk_buff *skb) - int raw_rcv(struct sock *sk, struct sk_buff *skb) - { - if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -771,16 +771,20 @@ static int raw_init(struct sock *sk) - - static int raw_seticmpfilter(struct sock *sk, char __user *optval, int optlen) - { -+ struct icmp_filter filter; -+ - if (optlen > sizeof(struct icmp_filter)) - optlen = sizeof(struct icmp_filter); -- if (copy_from_user(&raw_sk(sk)->filter, optval, optlen)) -+ if (copy_from_user(&filter, optval, optlen)) - return -EFAULT; -+ raw_sk(sk)->filter = filter; - return 0; - } - - static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *optlen) - { - int len, ret = -EFAULT; -+ struct icmp_filter filter; - - if (get_user(len, optlen)) - goto out; -@@ -790,8 +794,8 @@ static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *o - if (len > sizeof(struct icmp_filter)) - len = sizeof(struct icmp_filter); - ret = -EFAULT; -- if (put_user(len, optlen) || -- copy_to_user(optval, &raw_sk(sk)->filter, len)) -+ filter = raw_sk(sk)->filter; -+ if (put_user(len, optlen) || len > sizeof filter || copy_to_user(optval, &filter, len)) - goto out; - ret = 0; - out: return ret; -@@ -1020,7 +1024,7 @@ static void raw_sock_seq_show(struct seq_file *seq, struct sock *sp, int i) - 0, 0L, 0, - from_kuid_munged(seq_user_ns(seq), sock_i_uid(sp)), - 0, sock_i_ino(sp), -- atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops)); -+ atomic_read(&sp->sk_refcnt), sp, atomic_read_unchecked(&sp->sk_drops)); - } - - static int raw_seq_show(struct seq_file *seq, void *v) -diff --git a/net/ipv4/route.c b/net/ipv4/route.c -index f45f2a1..e7d47a3 100644 ---- a/net/ipv4/route.c -+++ b/net/ipv4/route.c -@@ -227,7 +227,7 @@ static const struct seq_operations rt_cache_seq_ops = { - - static int rt_cache_seq_open(struct inode *inode, struct file *file) - { -- return seq_open(file, &rt_cache_seq_ops); -+ return seq_open_restrict(file, &rt_cache_seq_ops); - } - - static const struct file_operations rt_cache_seq_fops = { -@@ -318,7 +318,7 @@ static const struct seq_operations rt_cpu_seq_ops = { - - static int rt_cpu_seq_open(struct inode *inode, struct file *file) - { -- return seq_open(file, &rt_cpu_seq_ops); -+ return seq_open_restrict(file, &rt_cpu_seq_ops); - } - - static const struct file_operations rt_cpu_seq_fops = { -@@ -356,7 +356,7 @@ static int rt_acct_proc_show(struct seq_file *m, void *v) - - static int rt_acct_proc_open(struct inode *inode, struct file *file) - { -- return single_open(file, rt_acct_proc_show, NULL); -+ return single_open_restrict(file, rt_acct_proc_show, NULL); - } - - static const struct file_operations rt_acct_proc_fops = { -@@ -458,11 +458,11 @@ static struct neighbour *ipv4_neigh_lookup(const struct dst_entry *dst, - - #define IP_IDENTS_SZ 2048u - struct ip_ident_bucket { -- atomic_t id; -+ atomic_unchecked_t id; - u32 stamp32; - }; - --static struct ip_ident_bucket *ip_idents __read_mostly; -+static struct ip_ident_bucket ip_idents[IP_IDENTS_SZ] __read_mostly; - - /* In order to protect privacy, we add a perturbation to identifiers - * if one generator is seldom used. This makes hard for an attacker -@@ -478,7 +478,7 @@ u32 ip_idents_reserve(u32 hash, int segs) - if (old != now && cmpxchg(&bucket->stamp32, old, now) == old) - delta = prandom_u32_max(now - old); - -- return atomic_add_return(segs + delta, &bucket->id) - segs; -+ return atomic_add_return_unchecked(segs + delta, &bucket->id) - segs; - } - EXPORT_SYMBOL(ip_idents_reserve); - -@@ -2641,34 +2641,34 @@ static struct ctl_table ipv4_route_flush_table[] = { - .maxlen = sizeof(int), - .mode = 0200, - .proc_handler = ipv4_sysctl_rtcache_flush, -+ .extra1 = &init_net, - }, - { }, - }; - - static __net_init int sysctl_route_net_init(struct net *net) - { -- struct ctl_table *tbl; -+ ctl_table_no_const *tbl = NULL; - -- tbl = ipv4_route_flush_table; - if (!net_eq(net, &init_net)) { -- tbl = kmemdup(tbl, sizeof(ipv4_route_flush_table), GFP_KERNEL); -+ tbl = kmemdup(ipv4_route_flush_table, sizeof(ipv4_route_flush_table), GFP_KERNEL); - if (!tbl) - goto err_dup; - - /* Don't export sysctls to unprivileged users */ - if (net->user_ns != &init_user_ns) - tbl[0].procname = NULL; -- } -- tbl[0].extra1 = net; -+ tbl[0].extra1 = net; -+ net->ipv4.route_hdr = register_net_sysctl(net, "net/ipv4/route", tbl); -+ } else -+ net->ipv4.route_hdr = register_net_sysctl(net, "net/ipv4/route", ipv4_route_flush_table); - -- net->ipv4.route_hdr = register_net_sysctl(net, "net/ipv4/route", tbl); - if (!net->ipv4.route_hdr) - goto err_reg; - return 0; - - err_reg: -- if (tbl != ipv4_route_flush_table) -- kfree(tbl); -+ kfree(tbl); - err_dup: - return -ENOMEM; - } -@@ -2691,8 +2691,8 @@ static __net_initdata struct pernet_operations sysctl_route_ops = { - - static __net_init int rt_genid_init(struct net *net) - { -- atomic_set(&net->ipv4.rt_genid, 0); -- atomic_set(&net->fnhe_genid, 0); -+ atomic_set_unchecked(&net->ipv4.rt_genid, 0); -+ atomic_set_unchecked(&net->fnhe_genid, 0); - get_random_bytes(&net->ipv4.dev_addr_genid, - sizeof(net->ipv4.dev_addr_genid)); - return 0; -@@ -2736,11 +2736,7 @@ int __init ip_rt_init(void) - int rc = 0; - int cpu; - -- ip_idents = kmalloc(IP_IDENTS_SZ * sizeof(*ip_idents), GFP_KERNEL); -- if (!ip_idents) -- panic("IP: failed to allocate ip_idents\n"); -- -- prandom_bytes(ip_idents, IP_IDENTS_SZ * sizeof(*ip_idents)); -+ prandom_bytes(ip_idents, sizeof(ip_idents)); - - for_each_possible_cpu(cpu) { - struct uncached_list *ul = &per_cpu(rt_uncached_list, cpu); -diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c -index c3852a7..7bdbde7 100644 ---- a/net/ipv4/sysctl_net_ipv4.c -+++ b/net/ipv4/sysctl_net_ipv4.c -@@ -60,7 +60,7 @@ static int ipv4_local_port_range(struct ctl_table *table, int write, - container_of(table->data, struct net, ipv4.ip_local_ports.range); - int ret; - int range[2]; -- struct ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &range, - .maxlen = sizeof(range), - .mode = table->mode, -@@ -118,7 +118,7 @@ static int ipv4_ping_group_range(struct ctl_table *table, int write, - int ret; - gid_t urange[2]; - kgid_t low, high; -- struct ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &urange, - .maxlen = sizeof(urange), - .mode = table->mode, -@@ -149,7 +149,7 @@ static int proc_tcp_congestion_control(struct ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { - char val[TCP_CA_NAME_MAX]; -- struct ctl_table tbl = { -+ ctl_table_no_const tbl = { - .data = val, - .maxlen = TCP_CA_NAME_MAX, - }; -@@ -168,7 +168,7 @@ static int proc_tcp_available_congestion_control(struct ctl_table *ctl, - void __user *buffer, size_t *lenp, - loff_t *ppos) - { -- struct ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX, }; -+ ctl_table_no_const tbl = { .maxlen = TCP_CA_BUF_MAX, }; - int ret; - - tbl.data = kmalloc(tbl.maxlen, GFP_USER); -@@ -185,7 +185,7 @@ static int proc_allowed_congestion_control(struct ctl_table *ctl, - void __user *buffer, size_t *lenp, - loff_t *ppos) - { -- struct ctl_table tbl = { .maxlen = TCP_CA_BUF_MAX }; -+ ctl_table_no_const tbl = { .maxlen = TCP_CA_BUF_MAX }; - int ret; - - tbl.data = kmalloc(tbl.maxlen, GFP_USER); -@@ -204,7 +204,7 @@ static int proc_tcp_fastopen_key(struct ctl_table *ctl, int write, - void __user *buffer, size_t *lenp, - loff_t *ppos) - { -- struct ctl_table tbl = { .maxlen = (TCP_FASTOPEN_KEY_LENGTH * 2 + 10) }; -+ ctl_table_no_const tbl = { .maxlen = (TCP_FASTOPEN_KEY_LENGTH * 2 + 10) }; - struct tcp_fastopen_context *ctxt; - int ret; - u32 user_key[4]; /* 16 bytes, matching TCP_FASTOPEN_KEY_LENGTH */ -@@ -902,13 +902,12 @@ static struct ctl_table ipv4_net_table[] = { - - static __net_init int ipv4_sysctl_init_net(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - -- table = ipv4_net_table; - if (!net_eq(net, &init_net)) { - int i; - -- table = kmemdup(table, sizeof(ipv4_net_table), GFP_KERNEL); -+ table = kmemdup(ipv4_net_table, sizeof(ipv4_net_table), GFP_KERNEL); - if (!table) - goto err_alloc; - -@@ -917,7 +916,10 @@ static __net_init int ipv4_sysctl_init_net(struct net *net) - table[i].data += (void *)net - (void *)&init_net; - } - -- net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", table); -+ if (!net_eq(net, &init_net)) -+ net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", table); -+ else -+ net->ipv4.ipv4_hdr = register_net_sysctl(net, "net/ipv4", ipv4_net_table); - if (!net->ipv4.ipv4_hdr) - goto err_reg; - -diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c -index c9ab964..607d9f7 100644 ---- a/net/ipv4/tcp_input.c -+++ b/net/ipv4/tcp_input.c -@@ -767,7 +767,7 @@ static void tcp_update_pacing_rate(struct sock *sk) - * without any lock. We want to make sure compiler wont store - * intermediate values in this location. - */ -- ACCESS_ONCE(sk->sk_pacing_rate) = min_t(u64, rate, -+ ACCESS_ONCE_RW(sk->sk_pacing_rate) = min_t(u64, rate, - sk->sk_max_pacing_rate); - } - -@@ -4610,7 +4610,7 @@ static struct sk_buff *tcp_collapse_one(struct sock *sk, struct sk_buff *skb, - * simplifies code) - */ - static void --tcp_collapse(struct sock *sk, struct sk_buff_head *list, -+__intentional_overflow(5,6) tcp_collapse(struct sock *sk, struct sk_buff_head *list, - struct sk_buff *head, struct sk_buff *tail, - u32 start, u32 end) - { -@@ -5605,6 +5605,7 @@ discard: - tcp_paws_reject(&tp->rx_opt, 0)) - goto discard_and_undo; - -+#ifndef CONFIG_GRKERNSEC_NO_SIMULT_CONNECT - if (th->syn) { - /* We see SYN without ACK. It is attempt of - * simultaneous connect with crossed SYNs. -@@ -5655,6 +5656,7 @@ discard: - goto discard; - #endif - } -+#endif - /* "fifth, if neither of the SYN or RST bits is set then - * drop the segment and return." - */ -@@ -5701,7 +5703,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb, - goto discard; - - if (th->syn) { -- if (th->fin) -+ if (th->fin || th->urg || th->psh) - goto discard; - if (icsk->icsk_af_ops->conn_request(sk, skb) < 0) - return 1; -diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c -index fc1c658..4de4e33 100644 ---- a/net/ipv4/tcp_ipv4.c -+++ b/net/ipv4/tcp_ipv4.c -@@ -89,6 +89,10 @@ int sysctl_tcp_tw_reuse __read_mostly; - int sysctl_tcp_low_latency __read_mostly; - EXPORT_SYMBOL(sysctl_tcp_low_latency); - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - #ifdef CONFIG_TCP_MD5SIG - static int tcp_v4_md5_hash_hdr(char *md5_hash, const struct tcp_md5sig_key *key, - __be32 daddr, __be32 saddr, const struct tcphdr *th); -@@ -1348,7 +1352,7 @@ static struct sock *tcp_v4_hnd_req(struct sock *sk, struct sk_buff *skb) - req = inet_csk_search_req(sk, th->source, iph->saddr, iph->daddr); - if (req) { - nsk = tcp_check_req(sk, skb, req, false); -- if (!nsk) -+ if (!nsk || nsk == sk) - reqsk_put(req); - return nsk; - } -@@ -1427,6 +1431,9 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb) - return 0; - - reset: -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole) -+#endif - tcp_v4_send_reset(rsk, skb); - discard: - kfree_skb(skb); -@@ -1591,12 +1598,19 @@ int tcp_v4_rcv(struct sk_buff *skb) - TCP_SKB_CB(skb)->sacked = 0; - - sk = __inet_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest); -- if (!sk) -+ if (!sk) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 1; -+#endif - goto no_tcp_socket; -- -+ } - process: -- if (sk->sk_state == TCP_TIME_WAIT) -+ if (sk->sk_state == TCP_TIME_WAIT) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 2; -+#endif - goto do_time_wait; -+ } - - if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) { - NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP); -@@ -1652,6 +1666,10 @@ csum_error: - bad_packet: - TCP_INC_STATS_BH(net, TCP_MIB_INERRS); - } else { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (ret == 1 && -+ (skb->dev->flags & IFF_LOOPBACK))) -+#endif - tcp_v4_send_reset(NULL, skb); - } - -diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c -index 17e7339..c72ff6c 100644 ---- a/net/ipv4/tcp_minisocks.c -+++ b/net/ipv4/tcp_minisocks.c -@@ -27,6 +27,10 @@ - #include <net/inet_common.h> - #include <net/xfrm.h> - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - int sysctl_tcp_syncookies __read_mostly = 1; - EXPORT_SYMBOL(sysctl_tcp_syncookies); - -@@ -778,7 +782,10 @@ embryonic_reset: - * avoid becoming vulnerable to outside attack aiming at - * resetting legit local connections. - */ -- req->rsk_ops->send_reset(sk, skb); -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole) -+#endif -+ req->rsk_ops->send_reset(sk, skb); - } else if (fastopen) { /* received a valid RST pkt */ - reqsk_fastopen_remove(sk, req, true); - tcp_reset(sk); -diff --git a/net/ipv4/tcp_probe.c b/net/ipv4/tcp_probe.c -index ebf5ff5..4d1ff32 100644 ---- a/net/ipv4/tcp_probe.c -+++ b/net/ipv4/tcp_probe.c -@@ -236,7 +236,7 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf, - if (cnt + width >= len) - break; - -- if (copy_to_user(buf + cnt, tbuf, width)) -+ if (width > sizeof tbuf || copy_to_user(buf + cnt, tbuf, width)) - return -EFAULT; - cnt += width; - } -diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c -index 8c65dc1..55fd1ba 100644 ---- a/net/ipv4/tcp_timer.c -+++ b/net/ipv4/tcp_timer.c -@@ -22,6 +22,10 @@ - #include <linux/gfp.h> - #include <net/tcp.h> - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_lastack_retries; -+#endif -+ - int sysctl_tcp_syn_retries __read_mostly = TCP_SYN_RETRIES; - int sysctl_tcp_synack_retries __read_mostly = TCP_SYNACK_RETRIES; - int sysctl_tcp_keepalive_time __read_mostly = TCP_KEEPALIVE_TIME; -@@ -195,6 +199,13 @@ static int tcp_write_timeout(struct sock *sk) - } - } - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if ((sk->sk_state == TCP_LAST_ACK) && -+ (grsec_lastack_retries > 0) && -+ (grsec_lastack_retries < retry_until)) -+ retry_until = grsec_lastack_retries; -+#endif -+ - if (retransmits_timed_out(sk, retry_until, - syn_set ? 0 : icsk->icsk_user_timeout, syn_set)) { - /* Has it gone just too far? */ -diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c -index 83aa604..dbfddf5 100644 ---- a/net/ipv4/udp.c -+++ b/net/ipv4/udp.c -@@ -87,6 +87,7 @@ - #include <linux/types.h> - #include <linux/fcntl.h> - #include <linux/module.h> -+#include <linux/security.h> - #include <linux/socket.h> - #include <linux/sockios.h> - #include <linux/igmp.h> -@@ -115,6 +116,10 @@ - #include <net/busy_poll.h> - #include "udp_impl.h" - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - struct udp_table udp_table __read_mostly; - EXPORT_SYMBOL(udp_table); - -@@ -608,6 +613,9 @@ static inline bool __udp_is_mcast_sock(struct net *net, struct sock *sk, - return true; - } - -+extern int gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb); -+extern int gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr); -+ - /* - * This routine is called by the ICMP module when it gets some - * sort of error condition. If err < 0 then the socket should -@@ -944,9 +952,18 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) - dport = usin->sin_port; - if (dport == 0) - return -EINVAL; -+ -+ err = gr_search_udp_sendmsg(sk, usin); -+ if (err) -+ return err; - } else { - if (sk->sk_state != TCP_ESTABLISHED) - return -EDESTADDRREQ; -+ -+ err = gr_search_udp_sendmsg(sk, NULL); -+ if (err) -+ return err; -+ - daddr = inet->inet_daddr; - dport = inet->inet_dport; - /* Open fast path for connected socket. -@@ -1193,7 +1210,7 @@ static unsigned int first_packet_length(struct sock *sk) - IS_UDPLITE(sk)); - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, - IS_UDPLITE(sk)); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - __skb_unlink(skb, rcvq); - __skb_queue_tail(&list_kill, skb); - } -@@ -1273,6 +1290,10 @@ try_again: - if (!skb) - goto out; - -+ err = gr_search_udp_recvmsg(sk, skb); -+ if (err) -+ goto out_free; -+ - ulen = skb->len - sizeof(struct udphdr); - copied = len; - if (copied > ulen) -@@ -1305,7 +1326,7 @@ try_again: - if (unlikely(err)) { - trace_kfree_skb(skb, udp_recvmsg); - if (!peeked) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - UDP_INC_STATS_USER(sock_net(sk), - UDP_MIB_INERRORS, is_udplite); - } -@@ -1599,7 +1620,7 @@ csum_error: - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite); - drop: - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return -1; - } -@@ -1617,7 +1638,7 @@ static void flush_stack(struct sock **stack, unsigned int count, - skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC); - - if (!skb1) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS, - IS_UDPLITE(sk)); - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, -@@ -1823,6 +1844,9 @@ int __udp4_lib_rcv(struct sk_buff *skb, struct udp_table *udptable, - goto csum_error; - - UDP_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE); -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK)) -+#endif - icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0); - - /* -@@ -2420,7 +2444,7 @@ static void udp4_format_sock(struct sock *sp, struct seq_file *f, - from_kuid_munged(seq_user_ns(f), sock_i_uid(sp)), - 0, sock_i_ino(sp), - atomic_read(&sp->sk_refcnt), sp, -- atomic_read(&sp->sk_drops)); -+ atomic_read_unchecked(&sp->sk_drops)); - } - - int udp4_seq_show(struct seq_file *seq, void *v) -diff --git a/net/ipv4/xfrm4_policy.c b/net/ipv4/xfrm4_policy.c -index bff6974..c63736c 100644 ---- a/net/ipv4/xfrm4_policy.c -+++ b/net/ipv4/xfrm4_policy.c -@@ -186,11 +186,11 @@ _decode_session4(struct sk_buff *skb, struct flowi *fl, int reverse) - fl4->flowi4_tos = iph->tos; - } - --static inline int xfrm4_garbage_collect(struct dst_ops *ops) -+static int xfrm4_garbage_collect(struct dst_ops *ops) - { - struct net *net = container_of(ops, struct net, xfrm.xfrm4_dst_ops); - -- xfrm4_policy_afinfo.garbage_collect(net); -+ xfrm_garbage_collect_deferred(net); - return (dst_entries_get_slow(ops) > ops->gc_thresh * 2); - } - -@@ -268,19 +268,18 @@ static struct ctl_table xfrm4_policy_table[] = { - - static int __net_init xfrm4_net_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - -- table = xfrm4_policy_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(xfrm4_policy_table), GFP_KERNEL); -+ table = kmemdup(xfrm4_policy_table, sizeof(xfrm4_policy_table), GFP_KERNEL); - if (!table) - goto err_alloc; - - table[0].data = &net->xfrm.xfrm4_dst_ops.gc_thresh; -- } -- -- hdr = register_net_sysctl(net, "net/ipv4", table); -+ hdr = register_net_sysctl(net, "net/ipv4", table); -+ } else -+ hdr = register_net_sysctl(net, "net/ipv4", xfrm4_policy_table); - if (!hdr) - goto err_reg; - -@@ -288,8 +287,7 @@ static int __net_init xfrm4_net_init(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c -index 37b70e8..1475ab7 100644 ---- a/net/ipv6/addrconf.c -+++ b/net/ipv6/addrconf.c -@@ -178,7 +178,7 @@ static struct ipv6_devconf ipv6_devconf __read_mostly = { - .hop_limit = IPV6_DEFAULT_HOPLIMIT, - .mtu6 = IPV6_MIN_MTU, - .accept_ra = 1, -- .accept_redirects = 1, -+ .accept_redirects = 0, - .autoconf = 1, - .force_mld_version = 0, - .mldv1_unsolicited_report_interval = 10 * HZ, -@@ -219,7 +219,7 @@ static struct ipv6_devconf ipv6_devconf_dflt __read_mostly = { - .hop_limit = IPV6_DEFAULT_HOPLIMIT, - .mtu6 = IPV6_MIN_MTU, - .accept_ra = 1, -- .accept_redirects = 1, -+ .accept_redirects = 0, - .autoconf = 1, - .force_mld_version = 0, - .mldv1_unsolicited_report_interval = 10 * HZ, -@@ -620,7 +620,7 @@ static int inet6_netconf_dump_devconf(struct sk_buff *skb, - idx = 0; - head = &net->dev_index_head[h]; - rcu_read_lock(); -- cb->seq = atomic_read(&net->ipv6.dev_addr_genid) ^ -+ cb->seq = atomic_read_unchecked(&net->ipv6.dev_addr_genid) ^ - net->dev_base_seq; - hlist_for_each_entry_rcu(dev, head, index_hlist) { - if (idx < s_idx) -@@ -2506,7 +2506,7 @@ int addrconf_set_dstaddr(struct net *net, void __user *arg) - p.iph.ihl = 5; - p.iph.protocol = IPPROTO_IPV6; - p.iph.ttl = 64; -- ifr.ifr_ifru.ifru_data = (__force void __user *)&p; -+ ifr.ifr_ifru.ifru_data = (void __force_user *)&p; - - if (ops->ndo_do_ioctl) { - mm_segment_t oldfs = get_fs(); -@@ -3772,16 +3772,23 @@ static const struct file_operations if6_fops = { - .release = seq_release_net, - }; - -+extern void register_ipv6_seq_ops_addr(struct seq_operations *addr); -+extern void unregister_ipv6_seq_ops_addr(void); -+ - static int __net_init if6_proc_net_init(struct net *net) - { -- if (!proc_create("if_inet6", S_IRUGO, net->proc_net, &if6_fops)) -+ register_ipv6_seq_ops_addr(&if6_seq_ops); -+ if (!proc_create("if_inet6", S_IRUGO, net->proc_net, &if6_fops)) { -+ unregister_ipv6_seq_ops_addr(); - return -ENOMEM; -+ } - return 0; - } - - static void __net_exit if6_proc_net_exit(struct net *net) - { - remove_proc_entry("if_inet6", net->proc_net); -+ unregister_ipv6_seq_ops_addr(); - } - - static struct pernet_operations if6_proc_net_ops = { -@@ -4400,7 +4407,7 @@ static int inet6_dump_addr(struct sk_buff *skb, struct netlink_callback *cb, - s_ip_idx = ip_idx = cb->args[2]; - - rcu_read_lock(); -- cb->seq = atomic_read(&net->ipv6.dev_addr_genid) ^ net->dev_base_seq; -+ cb->seq = atomic_read_unchecked(&net->ipv6.dev_addr_genid) ^ net->dev_base_seq; - for (h = s_h; h < NETDEV_HASHENTRIES; h++, s_idx = 0) { - idx = 0; - head = &net->dev_index_head[h]; -@@ -5057,7 +5064,7 @@ static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) - rt_genid_bump_ipv6(net); - break; - } -- atomic_inc(&net->ipv6.dev_addr_genid); -+ atomic_inc_unchecked(&net->ipv6.dev_addr_genid); - } - - static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifp) -@@ -5077,7 +5084,7 @@ int addrconf_sysctl_forward(struct ctl_table *ctl, int write, - int *valp = ctl->data; - int val = *valp; - loff_t pos = *ppos; -- struct ctl_table lctl; -+ ctl_table_no_const lctl; - int ret; - - /* -@@ -5102,7 +5109,7 @@ int addrconf_sysctl_mtu(struct ctl_table *ctl, int write, - { - struct inet6_dev *idev = ctl->extra1; - int min_mtu = IPV6_MIN_MTU; -- struct ctl_table lctl; -+ ctl_table_no_const lctl; - - lctl = *ctl; - lctl.extra1 = &min_mtu; -@@ -5177,7 +5184,7 @@ int addrconf_sysctl_disable(struct ctl_table *ctl, int write, - int *valp = ctl->data; - int val = *valp; - loff_t pos = *ppos; -- struct ctl_table lctl; -+ ctl_table_no_const lctl; - int ret; - - /* -@@ -5242,7 +5249,7 @@ static int addrconf_sysctl_stable_secret(struct ctl_table *ctl, int write, - int err; - struct in6_addr addr; - char str[IPV6_MAX_STRLEN]; -- struct ctl_table lctl = *ctl; -+ ctl_table_no_const lctl = *ctl; - struct net *net = ctl->extra2; - struct ipv6_stable_secret *secret = ctl->data; - -diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c -index eef63b3..d68f5da 100644 ---- a/net/ipv6/af_inet6.c -+++ b/net/ipv6/af_inet6.c -@@ -768,7 +768,7 @@ static int __net_init inet6_net_init(struct net *net) - net->ipv6.sysctl.auto_flowlabels = 0; - net->ipv6.sysctl.idgen_retries = 3; - net->ipv6.sysctl.idgen_delay = 1 * HZ; -- atomic_set(&net->ipv6.fib6_sernum, 1); -+ atomic_set_unchecked(&net->ipv6.fib6_sernum, 1); - - err = ipv6_init_mibs(net); - if (err) -diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c -index 62d908e..bac79a9 100644 ---- a/net/ipv6/datagram.c -+++ b/net/ipv6/datagram.c -@@ -967,5 +967,5 @@ void ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp, - 0, - sock_i_ino(sp), - atomic_read(&sp->sk_refcnt), sp, -- atomic_read(&sp->sk_drops)); -+ atomic_read_unchecked(&sp->sk_drops)); - } -diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c -index 2c2b5d5..cc01abd 100644 ---- a/net/ipv6/icmp.c -+++ b/net/ipv6/icmp.c -@@ -1004,7 +1004,7 @@ static struct ctl_table ipv6_icmp_table_template[] = { - - struct ctl_table * __net_init ipv6_icmp_sysctl_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(ipv6_icmp_table_template, - sizeof(ipv6_icmp_table_template), -diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c -index bde57b1..5b45dbb 100644 ---- a/net/ipv6/ip6_fib.c -+++ b/net/ipv6/ip6_fib.c -@@ -99,9 +99,9 @@ static int fib6_new_sernum(struct net *net) - int new, old; - - do { -- old = atomic_read(&net->ipv6.fib6_sernum); -+ old = atomic_read_unchecked(&net->ipv6.fib6_sernum); - new = old < INT_MAX ? old + 1 : 1; -- } while (atomic_cmpxchg(&net->ipv6.fib6_sernum, -+ } while (atomic_cmpxchg_unchecked(&net->ipv6.fib6_sernum, - old, new) != old); - return new; - } -diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c -index a38d3ac..d02e37d 100644 ---- a/net/ipv6/ip6_gre.c -+++ b/net/ipv6/ip6_gre.c -@@ -71,8 +71,8 @@ struct ip6gre_net { - struct net_device *fb_tunnel_dev; - }; - --static struct rtnl_link_ops ip6gre_link_ops __read_mostly; --static struct rtnl_link_ops ip6gre_tap_ops __read_mostly; -+static struct rtnl_link_ops ip6gre_link_ops; -+static struct rtnl_link_ops ip6gre_tap_ops; - static int ip6gre_tunnel_init(struct net_device *dev); - static void ip6gre_tunnel_setup(struct net_device *dev); - static void ip6gre_tunnel_link(struct ip6gre_net *ign, struct ip6_tnl *t); -@@ -1280,7 +1280,7 @@ static void ip6gre_fb_tunnel_init(struct net_device *dev) - } - - --static struct inet6_protocol ip6gre_protocol __read_mostly = { -+static struct inet6_protocol ip6gre_protocol = { - .handler = ip6gre_rcv, - .err_handler = ip6gre_err, - .flags = INET6_PROTO_NOPOLICY|INET6_PROTO_FINAL, -@@ -1639,7 +1639,7 @@ static const struct nla_policy ip6gre_policy[IFLA_GRE_MAX + 1] = { - [IFLA_GRE_FLAGS] = { .type = NLA_U32 }, - }; - --static struct rtnl_link_ops ip6gre_link_ops __read_mostly = { -+static struct rtnl_link_ops ip6gre_link_ops = { - .kind = "ip6gre", - .maxtype = IFLA_GRE_MAX, - .policy = ip6gre_policy, -@@ -1654,7 +1654,7 @@ static struct rtnl_link_ops ip6gre_link_ops __read_mostly = { - .get_link_net = ip6_tnl_get_link_net, - }; - --static struct rtnl_link_ops ip6gre_tap_ops __read_mostly = { -+static struct rtnl_link_ops ip6gre_tap_ops = { - .kind = "ip6gretap", - .maxtype = IFLA_GRE_MAX, - .policy = ip6gre_policy, -diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c -index 5cafd92..d5aead4 100644 ---- a/net/ipv6/ip6_tunnel.c -+++ b/net/ipv6/ip6_tunnel.c -@@ -80,7 +80,7 @@ static u32 HASH(const struct in6_addr *addr1, const struct in6_addr *addr2) - - static int ip6_tnl_dev_init(struct net_device *dev); - static void ip6_tnl_dev_setup(struct net_device *dev); --static struct rtnl_link_ops ip6_link_ops __read_mostly; -+static struct rtnl_link_ops ip6_link_ops; - - static int ip6_tnl_net_id __read_mostly; - struct ip6_tnl_net { -@@ -1776,7 +1776,7 @@ static const struct nla_policy ip6_tnl_policy[IFLA_IPTUN_MAX + 1] = { - [IFLA_IPTUN_PROTO] = { .type = NLA_U8 }, - }; - --static struct rtnl_link_ops ip6_link_ops __read_mostly = { -+static struct rtnl_link_ops ip6_link_ops = { - .kind = "ip6tnl", - .maxtype = IFLA_IPTUN_MAX, - .policy = ip6_tnl_policy, -diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c -index 0224c03..c5ec3d9 100644 ---- a/net/ipv6/ip6_vti.c -+++ b/net/ipv6/ip6_vti.c -@@ -62,7 +62,7 @@ static u32 HASH(const struct in6_addr *addr1, const struct in6_addr *addr2) - - static int vti6_dev_init(struct net_device *dev); - static void vti6_dev_setup(struct net_device *dev); --static struct rtnl_link_ops vti6_link_ops __read_mostly; -+static struct rtnl_link_ops vti6_link_ops; - - static int vti6_net_id __read_mostly; - struct vti6_net { -@@ -1019,7 +1019,7 @@ static const struct nla_policy vti6_policy[IFLA_VTI_MAX + 1] = { - [IFLA_VTI_OKEY] = { .type = NLA_U32 }, - }; - --static struct rtnl_link_ops vti6_link_ops __read_mostly = { -+static struct rtnl_link_ops vti6_link_ops = { - .kind = "vti6", - .maxtype = IFLA_VTI_MAX, - .policy = vti6_policy, -diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c -index 63e6956..ebbbcf6 100644 ---- a/net/ipv6/ipv6_sockglue.c -+++ b/net/ipv6/ipv6_sockglue.c -@@ -1015,7 +1015,7 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname, - if (sk->sk_type != SOCK_STREAM) - return -ENOPROTOOPT; - -- msg.msg_control = optval; -+ msg.msg_control = (void __force_kernel *)optval; - msg.msg_controllen = len; - msg.msg_flags = flags; - -diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c -index 96f153c..82fcad9 100644 ---- a/net/ipv6/ndisc.c -+++ b/net/ipv6/ndisc.c -@@ -1650,6 +1650,7 @@ int ndisc_rcv(struct sk_buff *skb) - static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, void *ptr) - { - struct net_device *dev = netdev_notifier_info_to_dev(ptr); -+ struct netdev_notifier_change_info *change_info; - struct net *net = dev_net(dev); - struct inet6_dev *idev; - -@@ -1664,6 +1665,11 @@ static int ndisc_netdev_event(struct notifier_block *this, unsigned long event, - ndisc_send_unsol_na(dev); - in6_dev_put(idev); - break; -+ case NETDEV_CHANGE: -+ change_info = ptr; -+ if (change_info->flags_changed & IFF_NOARP) -+ neigh_changeaddr(&nd_tbl, dev); -+ break; - case NETDEV_DOWN: - neigh_ifdown(&nd_tbl, dev); - fib6_run_gc(0, net, false); -diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c -index 62f5b0d..331fdb1 100644 ---- a/net/ipv6/netfilter/ip6_tables.c -+++ b/net/ipv6/netfilter/ip6_tables.c -@@ -1085,14 +1085,14 @@ static int compat_table_info(const struct xt_table_info *info, - #endif - - static int get_info(struct net *net, void __user *user, -- const int *len, int compat) -+ int len, int compat) - { - char name[XT_TABLE_MAXNAMELEN]; - struct xt_table *t; - int ret; - -- if (*len != sizeof(struct ip6t_getinfo)) { -- duprintf("length %u != %zu\n", *len, -+ if (len != sizeof(struct ip6t_getinfo)) { -+ duprintf("length %u != %zu\n", len, - sizeof(struct ip6t_getinfo)); - return -EINVAL; - } -@@ -1129,7 +1129,7 @@ static int get_info(struct net *net, void __user *user, - info.size = private->size; - strcpy(info.name, name); - -- if (copy_to_user(user, &info, *len) != 0) -+ if (copy_to_user(user, &info, len) != 0) - ret = -EFAULT; - else - ret = 0; -@@ -1991,7 +1991,7 @@ compat_do_ip6t_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) - - switch (cmd) { - case IP6T_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 1); -+ ret = get_info(sock_net(sk), user, *len, 1); - break; - case IP6T_SO_GET_ENTRIES: - ret = compat_get_entries(sock_net(sk), user, len); -@@ -2038,7 +2038,7 @@ do_ip6t_get_ctl(struct sock *sk, int cmd, void __user *user, int *len) - - switch (cmd) { - case IP6T_SO_GET_INFO: -- ret = get_info(sock_net(sk), user, len, 0); -+ ret = get_info(sock_net(sk), user, *len, 0); - break; - - case IP6T_SO_GET_ENTRIES: -diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c -index 6f187c8..55e564f 100644 ---- a/net/ipv6/netfilter/nf_conntrack_reasm.c -+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c -@@ -96,12 +96,11 @@ static struct ctl_table nf_ct_frag6_sysctl_table[] = { - - static int nf_ct_frag6_sysctl_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - -- table = nf_ct_frag6_sysctl_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(nf_ct_frag6_sysctl_table), -+ table = kmemdup(nf_ct_frag6_sysctl_table, sizeof(nf_ct_frag6_sysctl_table), - GFP_KERNEL); - if (table == NULL) - goto err_alloc; -@@ -112,9 +111,9 @@ static int nf_ct_frag6_sysctl_register(struct net *net) - table[2].data = &net->nf_frag.frags.high_thresh; - table[2].extra1 = &net->nf_frag.frags.low_thresh; - table[2].extra2 = &init_net.nf_frag.frags.high_thresh; -- } -- -- hdr = register_net_sysctl(net, "net/netfilter", table); -+ hdr = register_net_sysctl(net, "net/netfilter", table); -+ } else -+ hdr = register_net_sysctl(net, "net/netfilter", nf_ct_frag6_sysctl_table); - if (hdr == NULL) - goto err_reg; - -@@ -122,8 +121,7 @@ static int nf_ct_frag6_sysctl_register(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -@@ -348,7 +346,7 @@ found: - fq->ecn |= ecn; - if (payload_len > fq->q.max_size) - fq->q.max_size = payload_len; -- add_frag_mem_limit(&fq->q, skb->truesize); -+ add_frag_mem_limit(fq->q.net, skb->truesize); - - /* The first fragment. - * nhoffset is obtained from the first fragment, of course. -@@ -430,7 +428,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev) - clone->ip_summed = head->ip_summed; - - NFCT_FRAG6_CB(clone)->orig = NULL; -- add_frag_mem_limit(&fq->q, clone->truesize); -+ add_frag_mem_limit(fq->q.net, clone->truesize); - } - - /* We have to remove fragment header from datagram and to relocate -@@ -454,7 +452,7 @@ nf_ct_frag6_reasm(struct frag_queue *fq, struct net_device *dev) - head->csum = csum_add(head->csum, fp->csum); - head->truesize += fp->truesize; - } -- sub_frag_mem_limit(&fq->q, head->truesize); -+ sub_frag_mem_limit(fq->q.net, head->truesize); - - head->ignore_df = 1; - head->next = NULL; -diff --git a/net/ipv6/ping.c b/net/ipv6/ping.c -index 263a516..692f738 100644 ---- a/net/ipv6/ping.c -+++ b/net/ipv6/ping.c -@@ -240,6 +240,24 @@ static struct pernet_operations ping_v6_net_ops = { - }; - #endif - -+static struct pingv6_ops real_pingv6_ops = { -+ .ipv6_recv_error = ipv6_recv_error, -+ .ip6_datagram_recv_common_ctl = ip6_datagram_recv_common_ctl, -+ .ip6_datagram_recv_specific_ctl = ip6_datagram_recv_specific_ctl, -+ .icmpv6_err_convert = icmpv6_err_convert, -+ .ipv6_icmp_error = ipv6_icmp_error, -+ .ipv6_chk_addr = ipv6_chk_addr, -+}; -+ -+static struct pingv6_ops dummy_pingv6_ops = { -+ .ipv6_recv_error = dummy_ipv6_recv_error, -+ .ip6_datagram_recv_common_ctl = dummy_ip6_datagram_recv_ctl, -+ .ip6_datagram_recv_specific_ctl = dummy_ip6_datagram_recv_ctl, -+ .icmpv6_err_convert = dummy_icmpv6_err_convert, -+ .ipv6_icmp_error = dummy_ipv6_icmp_error, -+ .ipv6_chk_addr = dummy_ipv6_chk_addr, -+}; -+ - int __init pingv6_init(void) - { - #ifdef CONFIG_PROC_FS -@@ -247,13 +265,7 @@ int __init pingv6_init(void) - if (ret) - return ret; - #endif -- pingv6_ops.ipv6_recv_error = ipv6_recv_error; -- pingv6_ops.ip6_datagram_recv_common_ctl = ip6_datagram_recv_common_ctl; -- pingv6_ops.ip6_datagram_recv_specific_ctl = -- ip6_datagram_recv_specific_ctl; -- pingv6_ops.icmpv6_err_convert = icmpv6_err_convert; -- pingv6_ops.ipv6_icmp_error = ipv6_icmp_error; -- pingv6_ops.ipv6_chk_addr = ipv6_chk_addr; -+ pingv6_ops = &real_pingv6_ops; - return inet6_register_protosw(&pingv6_protosw); - } - -@@ -262,14 +274,9 @@ int __init pingv6_init(void) - */ - void pingv6_exit(void) - { -- pingv6_ops.ipv6_recv_error = dummy_ipv6_recv_error; -- pingv6_ops.ip6_datagram_recv_common_ctl = dummy_ip6_datagram_recv_ctl; -- pingv6_ops.ip6_datagram_recv_specific_ctl = dummy_ip6_datagram_recv_ctl; -- pingv6_ops.icmpv6_err_convert = dummy_icmpv6_err_convert; -- pingv6_ops.ipv6_icmp_error = dummy_ipv6_icmp_error; -- pingv6_ops.ipv6_chk_addr = dummy_ipv6_chk_addr; - #ifdef CONFIG_PROC_FS - unregister_pernet_subsys(&ping_v6_net_ops); - #endif -+ pingv6_ops = &dummy_pingv6_ops; - inet6_unregister_protosw(&pingv6_protosw); - } -diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c -index 679253d0..70b653c 100644 ---- a/net/ipv6/proc.c -+++ b/net/ipv6/proc.c -@@ -310,7 +310,7 @@ static int __net_init ipv6_proc_init_net(struct net *net) - if (!proc_create("snmp6", S_IRUGO, net->proc_net, &snmp6_seq_fops)) - goto proc_snmp6_fail; - -- net->mib.proc_net_devsnmp6 = proc_mkdir("dev_snmp6", net->proc_net); -+ net->mib.proc_net_devsnmp6 = proc_mkdir_restrict("dev_snmp6", net->proc_net); - if (!net->mib.proc_net_devsnmp6) - goto proc_dev_snmp6_fail; - return 0; -diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c -index 8072bd4..1629245 100644 ---- a/net/ipv6/raw.c -+++ b/net/ipv6/raw.c -@@ -388,7 +388,7 @@ static inline int rawv6_rcv_skb(struct sock *sk, struct sk_buff *skb) - { - if ((raw6_sk(sk)->checksum || rcu_access_pointer(sk->sk_filter)) && - skb_checksum_complete(skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -416,7 +416,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb) - struct raw6_sock *rp = raw6_sk(sk); - - if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -440,7 +440,7 @@ int rawv6_rcv(struct sock *sk, struct sk_buff *skb) - - if (inet->hdrincl) { - if (skb_checksum_complete(skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -608,7 +608,7 @@ out: - return err; - } - --static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length, -+static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, unsigned int length, - struct flowi6 *fl6, struct dst_entry **dstp, - unsigned int flags) - { -@@ -913,12 +913,15 @@ do_confirm: - static int rawv6_seticmpfilter(struct sock *sk, int level, int optname, - char __user *optval, int optlen) - { -+ struct icmp6_filter filter; -+ - switch (optname) { - case ICMPV6_FILTER: - if (optlen > sizeof(struct icmp6_filter)) - optlen = sizeof(struct icmp6_filter); -- if (copy_from_user(&raw6_sk(sk)->filter, optval, optlen)) -+ if (copy_from_user(&filter, optval, optlen)) - return -EFAULT; -+ raw6_sk(sk)->filter = filter; - return 0; - default: - return -ENOPROTOOPT; -@@ -931,6 +934,7 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname, - char __user *optval, int __user *optlen) - { - int len; -+ struct icmp6_filter filter; - - switch (optname) { - case ICMPV6_FILTER: -@@ -942,7 +946,8 @@ static int rawv6_geticmpfilter(struct sock *sk, int level, int optname, - len = sizeof(struct icmp6_filter); - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, &raw6_sk(sk)->filter, len)) -+ filter = raw6_sk(sk)->filter; -+ if (len > sizeof filter || copy_to_user(optval, &filter, len)) - return -EFAULT; - return 0; - default: -diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c -index 8ffa2c8..0db5dad 100644 ---- a/net/ipv6/reassembly.c -+++ b/net/ipv6/reassembly.c -@@ -144,7 +144,7 @@ void ip6_expire_frag_queue(struct net *net, struct frag_queue *fq, - - IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS); - -- if (fq->q.flags & INET_FRAG_EVICTED) -+ if (inet_frag_evicting(&fq->q)) - goto out_rcu_unlock; - - IP6_INC_STATS_BH(net, __in6_dev_get(dev), IPSTATS_MIB_REASMTIMEOUT); -@@ -330,7 +330,7 @@ found: - fq->q.stamp = skb->tstamp; - fq->q.meat += skb->len; - fq->ecn |= ecn; -- add_frag_mem_limit(&fq->q, skb->truesize); -+ add_frag_mem_limit(fq->q.net, skb->truesize); - - /* The first fragment. - * nhoffset is obtained from the first fragment, of course. -@@ -443,7 +443,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, - head->len -= clone->len; - clone->csum = 0; - clone->ip_summed = head->ip_summed; -- add_frag_mem_limit(&fq->q, clone->truesize); -+ add_frag_mem_limit(fq->q.net, clone->truesize); - } - - /* We have to remove fragment header from datagram and to relocate -@@ -481,7 +481,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev, - } - fp = next; - } -- sub_frag_mem_limit(&fq->q, sum_truesize); -+ sub_frag_mem_limit(fq->q.net, sum_truesize); - - head->next = NULL; - head->dev = dev; -@@ -626,12 +626,11 @@ static struct ctl_table ip6_frags_ctl_table[] = { - - static int __net_init ip6_frags_ns_sysctl_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - -- table = ip6_frags_ns_ctl_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(ip6_frags_ns_ctl_table), GFP_KERNEL); -+ table = kmemdup(ip6_frags_ns_ctl_table, sizeof(ip6_frags_ns_ctl_table), GFP_KERNEL); - if (!table) - goto err_alloc; - -@@ -645,9 +644,10 @@ static int __net_init ip6_frags_ns_sysctl_register(struct net *net) - /* Don't export sysctls to unprivileged users */ - if (net->user_ns != &init_user_ns) - table[0].procname = NULL; -- } -+ hdr = register_net_sysctl(net, "net/ipv6", table); -+ } else -+ hdr = register_net_sysctl(net, "net/ipv6", ip6_frags_ns_ctl_table); - -- hdr = register_net_sysctl(net, "net/ipv6", table); - if (!hdr) - goto err_reg; - -@@ -655,8 +655,7 @@ static int __net_init ip6_frags_ns_sysctl_register(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -diff --git a/net/ipv6/route.c b/net/ipv6/route.c -index c73ae50..aa55e00 100644 ---- a/net/ipv6/route.c -+++ b/net/ipv6/route.c -@@ -3046,7 +3046,7 @@ struct ctl_table ipv6_route_table_template[] = { - - struct ctl_table * __net_init ipv6_route_sysctl_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(ipv6_route_table_template, - sizeof(ipv6_route_table_template), -diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c -index ac35a28..070cc8c 100644 ---- a/net/ipv6/sit.c -+++ b/net/ipv6/sit.c -@@ -74,7 +74,7 @@ static void ipip6_tunnel_setup(struct net_device *dev); - static void ipip6_dev_free(struct net_device *dev); - static bool check_6rd(struct ip_tunnel *tunnel, const struct in6_addr *v6dst, - __be32 *v4dst); --static struct rtnl_link_ops sit_link_ops __read_mostly; -+static struct rtnl_link_ops sit_link_ops; - - static int sit_net_id __read_mostly; - struct sit_net { -@@ -1749,7 +1749,7 @@ static void ipip6_dellink(struct net_device *dev, struct list_head *head) - unregister_netdevice_queue(dev, head); - } - --static struct rtnl_link_ops sit_link_ops __read_mostly = { -+static struct rtnl_link_ops sit_link_ops = { - .kind = "sit", - .maxtype = IFLA_IPTUN_MAX, - .policy = ipip6_policy, -diff --git a/net/ipv6/sysctl_net_ipv6.c b/net/ipv6/sysctl_net_ipv6.c -index abcc79f..3b2d2d5 100644 ---- a/net/ipv6/sysctl_net_ipv6.c -+++ b/net/ipv6/sysctl_net_ipv6.c -@@ -92,7 +92,7 @@ static struct ctl_table ipv6_rotable[] = { - - static int __net_init ipv6_sysctl_net_init(struct net *net) - { -- struct ctl_table *ipv6_table; -+ ctl_table_no_const *ipv6_table; - struct ctl_table *ipv6_route_table; - struct ctl_table *ipv6_icmp_table; - int err; -diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c -index 3adffb3..fe3cc78 100644 ---- a/net/ipv6/tcp_ipv6.c -+++ b/net/ipv6/tcp_ipv6.c -@@ -104,6 +104,10 @@ static void inet6_sk_rx_dst_set(struct sock *sk, const struct sk_buff *skb) - } - } - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - static __u32 tcp_v6_init_sequence(const struct sk_buff *skb) - { - return secure_tcpv6_sequence_number(ipv6_hdr(skb)->daddr.s6_addr32, -@@ -946,7 +950,7 @@ static struct sock *tcp_v6_hnd_req(struct sock *sk, struct sk_buff *skb) - &ipv6_hdr(skb)->daddr, tcp_v6_iif(skb)); - if (req) { - nsk = tcp_check_req(sk, skb, req, false); -- if (!nsk) -+ if (!nsk || nsk == sk) - reqsk_put(req); - return nsk; - } -@@ -1283,6 +1287,9 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb) - return 0; - - reset: -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole) -+#endif - tcp_v6_send_reset(sk, skb); - discard: - if (opt_skb) -@@ -1392,12 +1399,20 @@ static int tcp_v6_rcv(struct sk_buff *skb) - - sk = __inet6_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest, - inet6_iif(skb)); -- if (!sk) -+ if (!sk) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 1; -+#endif - goto no_tcp_socket; -+ } - - process: -- if (sk->sk_state == TCP_TIME_WAIT) -+ if (sk->sk_state == TCP_TIME_WAIT) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 2; -+#endif - goto do_time_wait; -+ } - - if (hdr->hop_limit < inet6_sk(sk)->min_hopcount) { - NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP); -@@ -1448,6 +1463,10 @@ csum_error: - bad_packet: - TCP_INC_STATS_BH(net, TCP_MIB_INERRS); - } else { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (ret == 1 && -+ (skb->dev->flags & IFF_LOOPBACK))) -+#endif - tcp_v6_send_reset(NULL, skb); - } - -diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c -index e51fc3e..8f04229 100644 ---- a/net/ipv6/udp.c -+++ b/net/ipv6/udp.c -@@ -76,6 +76,10 @@ static u32 udp6_ehashfn(const struct net *net, - udp_ipv6_hash_secret + net_hash_mix(net)); - } - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2) - { - const struct in6_addr *sk2_rcv_saddr6 = inet6_rcv_saddr(sk2); -@@ -445,7 +449,7 @@ try_again: - if (unlikely(err)) { - trace_kfree_skb(skb, udpv6_recvmsg); - if (!peeked) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - if (is_udp4) - UDP_INC_STATS_USER(sock_net(sk), - UDP_MIB_INERRORS, -@@ -709,7 +713,7 @@ csum_error: - UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_CSUMERRORS, is_udplite); - drop: - UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return -1; - } -@@ -750,7 +754,7 @@ static void flush_stack(struct sock **stack, unsigned int count, - if (likely(!skb1)) - skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC); - if (!skb1) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS, - IS_UDPLITE(sk)); - UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, -@@ -934,6 +938,9 @@ int __udp6_lib_rcv(struct sk_buff *skb, struct udp_table *udptable, - goto csum_error; - - UDP6_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE); -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK)) -+#endif - icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0); - - kfree_skb(skb); -diff --git a/net/ipv6/xfrm6_policy.c b/net/ipv6/xfrm6_policy.c -index f337a90..ba0d2a0 100644 ---- a/net/ipv6/xfrm6_policy.c -+++ b/net/ipv6/xfrm6_policy.c -@@ -185,7 +185,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) - return; - - case IPPROTO_ICMPV6: -- if (!onlyproto && pskb_may_pull(skb, nh + offset + 2 - skb->data)) { -+ if (!onlyproto && (nh + offset + 2 < skb->data || -+ pskb_may_pull(skb, nh + offset + 2 - skb->data))) { - u8 *icmp; - - nh = skb_network_header(skb); -@@ -199,7 +200,8 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) - #if IS_ENABLED(CONFIG_IPV6_MIP6) - case IPPROTO_MH: - offset += ipv6_optlen(exthdr); -- if (!onlyproto && pskb_may_pull(skb, nh + offset + 3 - skb->data)) { -+ if (!onlyproto && (nh + offset + 3 < skb->data || -+ pskb_may_pull(skb, nh + offset + 3 - skb->data))) { - struct ip6_mh *mh; - - nh = skb_network_header(skb); -@@ -222,11 +224,11 @@ _decode_session6(struct sk_buff *skb, struct flowi *fl, int reverse) - } - } - --static inline int xfrm6_garbage_collect(struct dst_ops *ops) -+static int xfrm6_garbage_collect(struct dst_ops *ops) - { - struct net *net = container_of(ops, struct net, xfrm.xfrm6_dst_ops); - -- xfrm6_policy_afinfo.garbage_collect(net); -+ xfrm_garbage_collect_deferred(net); - return dst_entries_get_fast(ops) > ops->gc_thresh * 2; - } - -@@ -338,19 +340,19 @@ static struct ctl_table xfrm6_policy_table[] = { - - static int __net_init xfrm6_net_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table = NULL; - struct ctl_table_header *hdr; - -- table = xfrm6_policy_table; - if (!net_eq(net, &init_net)) { -- table = kmemdup(table, sizeof(xfrm6_policy_table), GFP_KERNEL); -+ table = kmemdup(xfrm6_policy_table, sizeof(xfrm6_policy_table), GFP_KERNEL); - if (!table) - goto err_alloc; - - table[0].data = &net->xfrm.xfrm6_dst_ops.gc_thresh; -- } -+ hdr = register_net_sysctl(net, "net/ipv6", table); -+ } else -+ hdr = register_net_sysctl(net, "net/ipv6", xfrm6_policy_table); - -- hdr = register_net_sysctl(net, "net/ipv6", table); - if (!hdr) - goto err_reg; - -@@ -358,8 +360,7 @@ static int __net_init xfrm6_net_init(struct net *net) - return 0; - - err_reg: -- if (!net_eq(net, &init_net)) -- kfree(table); -+ kfree(table); - err_alloc: - return -ENOMEM; - } -diff --git a/net/ipx/ipx_proc.c b/net/ipx/ipx_proc.c -index c1d247e..9e5949d 100644 ---- a/net/ipx/ipx_proc.c -+++ b/net/ipx/ipx_proc.c -@@ -289,7 +289,7 @@ int __init ipx_proc_init(void) - struct proc_dir_entry *p; - int rc = -ENOMEM; - -- ipx_proc_dir = proc_mkdir("ipx", init_net.proc_net); -+ ipx_proc_dir = proc_mkdir_restrict("ipx", init_net.proc_net); - - if (!ipx_proc_dir) - goto out; -diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c -index 683346d..cb0e12d 100644 ---- a/net/irda/ircomm/ircomm_tty.c -+++ b/net/irda/ircomm/ircomm_tty.c -@@ -310,10 +310,10 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, - add_wait_queue(&port->open_wait, &wait); - - pr_debug("%s(%d):block_til_ready before block on %s open_count=%d\n", -- __FILE__, __LINE__, tty->driver->name, port->count); -+ __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count)); - - spin_lock_irqsave(&port->lock, flags); -- port->count--; -+ atomic_dec(&port->count); - port->blocked_open++; - spin_unlock_irqrestore(&port->lock, flags); - -@@ -348,7 +348,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, - } - - pr_debug("%s(%d):block_til_ready blocking on %s open_count=%d\n", -- __FILE__, __LINE__, tty->driver->name, port->count); -+ __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count)); - - schedule(); - } -@@ -358,12 +358,12 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, - - spin_lock_irqsave(&port->lock, flags); - if (!tty_hung_up_p(filp)) -- port->count++; -+ atomic_inc(&port->count); - port->blocked_open--; - spin_unlock_irqrestore(&port->lock, flags); - - pr_debug("%s(%d):block_til_ready after blocking on %s open_count=%d\n", -- __FILE__, __LINE__, tty->driver->name, port->count); -+ __FILE__, __LINE__, tty->driver->name, atomic_read(&port->count)); - - if (!retval) - port->flags |= ASYNC_NORMAL_ACTIVE; -@@ -433,12 +433,12 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) - - /* ++ is not atomic, so this should be protected - Jean II */ - spin_lock_irqsave(&self->port.lock, flags); -- self->port.count++; -+ atomic_inc(&self->port.count); - spin_unlock_irqrestore(&self->port.lock, flags); - tty_port_tty_set(&self->port, tty); - - pr_debug("%s(), %s%d, count = %d\n", __func__ , tty->driver->name, -- self->line, self->port.count); -+ self->line, atomic_read(&self->port.count)); - - /* Not really used by us, but lets do it anyway */ - self->port.low_latency = (self->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0; -@@ -961,7 +961,7 @@ static void ircomm_tty_hangup(struct tty_struct *tty) - tty_kref_put(port->tty); - } - port->tty = NULL; -- port->count = 0; -+ atomic_set(&port->count, 0); - spin_unlock_irqrestore(&port->lock, flags); - - wake_up_interruptible(&port->open_wait); -@@ -1308,7 +1308,7 @@ static void ircomm_tty_line_info(struct ircomm_tty_cb *self, struct seq_file *m) - seq_putc(m, '\n'); - - seq_printf(m, "Role: %s\n", self->client ? "client" : "server"); -- seq_printf(m, "Open count: %d\n", self->port.count); -+ seq_printf(m, "Open count: %d\n", atomic_read(&self->port.count)); - seq_printf(m, "Max data size: %d\n", self->max_data_size); - seq_printf(m, "Max header size: %d\n", self->max_header_size); - -diff --git a/net/irda/irproc.c b/net/irda/irproc.c -index b9ac598..f88cc56 100644 ---- a/net/irda/irproc.c -+++ b/net/irda/irproc.c -@@ -66,7 +66,7 @@ void __init irda_proc_register(void) - { - int i; - -- proc_irda = proc_mkdir("irda", init_net.proc_net); -+ proc_irda = proc_mkdir_restrict("irda", init_net.proc_net); - if (proc_irda == NULL) - return; - -diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c -index 6daa52a..786aa2b 100644 ---- a/net/iucv/af_iucv.c -+++ b/net/iucv/af_iucv.c -@@ -686,10 +686,10 @@ static void __iucv_auto_name(struct iucv_sock *iucv) - { - char name[12]; - -- sprintf(name, "%08x", atomic_inc_return(&iucv_sk_list.autobind_name)); -+ sprintf(name, "%08x", atomic_inc_return_unchecked(&iucv_sk_list.autobind_name)); - while (__iucv_get_sock_by_name(name)) { - sprintf(name, "%08x", -- atomic_inc_return(&iucv_sk_list.autobind_name)); -+ atomic_inc_return_unchecked(&iucv_sk_list.autobind_name)); - } - memcpy(iucv->src_name, name, 8); - } -diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c -index 2a6a1fd..6c112b0 100644 ---- a/net/iucv/iucv.c -+++ b/net/iucv/iucv.c -@@ -702,7 +702,7 @@ static int iucv_cpu_notify(struct notifier_block *self, - return NOTIFY_OK; - } - --static struct notifier_block __refdata iucv_cpu_notifier = { -+static struct notifier_block iucv_cpu_notifier = { - .notifier_call = iucv_cpu_notify, - }; - -diff --git a/net/key/af_key.c b/net/key/af_key.c -index f0d52d7..9c9af38 100644 ---- a/net/key/af_key.c -+++ b/net/key/af_key.c -@@ -3049,10 +3049,10 @@ static int pfkey_send_policy_notify(struct xfrm_policy *xp, int dir, const struc - static u32 get_acqseq(void) - { - u32 res; -- static atomic_t acqseq; -+ static atomic_unchecked_t acqseq; - - do { -- res = atomic_inc_return(&acqseq); -+ res = atomic_inc_return_unchecked(&acqseq); - } while (!res); - return res; - } -diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c -index 4b55287..bd247f7 100644 ---- a/net/l2tp/l2tp_eth.c -+++ b/net/l2tp/l2tp_eth.c -@@ -42,12 +42,12 @@ struct l2tp_eth { - struct sock *tunnel_sock; - struct l2tp_session *session; - struct list_head list; -- atomic_long_t tx_bytes; -- atomic_long_t tx_packets; -- atomic_long_t tx_dropped; -- atomic_long_t rx_bytes; -- atomic_long_t rx_packets; -- atomic_long_t rx_errors; -+ atomic_long_unchecked_t tx_bytes; -+ atomic_long_unchecked_t tx_packets; -+ atomic_long_unchecked_t tx_dropped; -+ atomic_long_unchecked_t rx_bytes; -+ atomic_long_unchecked_t rx_packets; -+ atomic_long_unchecked_t rx_errors; - }; - - /* via l2tp_session_priv() */ -@@ -98,10 +98,10 @@ static int l2tp_eth_dev_xmit(struct sk_buff *skb, struct net_device *dev) - int ret = l2tp_xmit_skb(session, skb, session->hdr_len); - - if (likely(ret == NET_XMIT_SUCCESS)) { -- atomic_long_add(len, &priv->tx_bytes); -- atomic_long_inc(&priv->tx_packets); -+ atomic_long_add_unchecked(len, &priv->tx_bytes); -+ atomic_long_inc_unchecked(&priv->tx_packets); - } else { -- atomic_long_inc(&priv->tx_dropped); -+ atomic_long_inc_unchecked(&priv->tx_dropped); - } - return NETDEV_TX_OK; - } -@@ -111,12 +111,12 @@ static struct rtnl_link_stats64 *l2tp_eth_get_stats64(struct net_device *dev, - { - struct l2tp_eth *priv = netdev_priv(dev); - -- stats->tx_bytes = atomic_long_read(&priv->tx_bytes); -- stats->tx_packets = atomic_long_read(&priv->tx_packets); -- stats->tx_dropped = atomic_long_read(&priv->tx_dropped); -- stats->rx_bytes = atomic_long_read(&priv->rx_bytes); -- stats->rx_packets = atomic_long_read(&priv->rx_packets); -- stats->rx_errors = atomic_long_read(&priv->rx_errors); -+ stats->tx_bytes = atomic_long_read_unchecked(&priv->tx_bytes); -+ stats->tx_packets = atomic_long_read_unchecked(&priv->tx_packets); -+ stats->tx_dropped = atomic_long_read_unchecked(&priv->tx_dropped); -+ stats->rx_bytes = atomic_long_read_unchecked(&priv->rx_bytes); -+ stats->rx_packets = atomic_long_read_unchecked(&priv->rx_packets); -+ stats->rx_errors = atomic_long_read_unchecked(&priv->rx_errors); - return stats; - } - -@@ -167,15 +167,15 @@ static void l2tp_eth_dev_recv(struct l2tp_session *session, struct sk_buff *skb, - nf_reset(skb); - - if (dev_forward_skb(dev, skb) == NET_RX_SUCCESS) { -- atomic_long_inc(&priv->rx_packets); -- atomic_long_add(data_len, &priv->rx_bytes); -+ atomic_long_inc_unchecked(&priv->rx_packets); -+ atomic_long_add_unchecked(data_len, &priv->rx_bytes); - } else { -- atomic_long_inc(&priv->rx_errors); -+ atomic_long_inc_unchecked(&priv->rx_errors); - } - return; - - error: -- atomic_long_inc(&priv->rx_errors); -+ atomic_long_inc_unchecked(&priv->rx_errors); - kfree_skb(skb); - } - -diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c -index 7964993..2c48a3a 100644 ---- a/net/l2tp/l2tp_ip.c -+++ b/net/l2tp/l2tp_ip.c -@@ -608,7 +608,7 @@ static struct inet_protosw l2tp_ip_protosw = { - .ops = &l2tp_ip_ops, - }; - --static struct net_protocol l2tp_ip_protocol __read_mostly = { -+static const struct net_protocol l2tp_ip_protocol = { - .handler = l2tp_ip_recv, - .netns_ok = 1, - }; -diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c -index d1ded37..c0d1e49 100644 ---- a/net/l2tp/l2tp_ip6.c -+++ b/net/l2tp/l2tp_ip6.c -@@ -755,7 +755,7 @@ static struct inet_protosw l2tp_ip6_protosw = { - .ops = &l2tp_ip6_ops, - }; - --static struct inet6_protocol l2tp_ip6_protocol __read_mostly = { -+static const struct inet6_protocol l2tp_ip6_protocol = { - .handler = l2tp_ip6_recv, - }; - -diff --git a/net/llc/llc_proc.c b/net/llc/llc_proc.c -index 1a3c7e0..80f8b0c 100644 ---- a/net/llc/llc_proc.c -+++ b/net/llc/llc_proc.c -@@ -247,7 +247,7 @@ int __init llc_proc_init(void) - int rc = -ENOMEM; - struct proc_dir_entry *p; - -- llc_proc_dir = proc_mkdir("llc", init_net.proc_net); -+ llc_proc_dir = proc_mkdir_restrict("llc", init_net.proc_net); - if (!llc_proc_dir) - goto out; - -diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c -index f06d422..de37d95 100644 ---- a/net/mac80211/cfg.c -+++ b/net/mac80211/cfg.c -@@ -582,7 +582,7 @@ static int ieee80211_set_monitor_channel(struct wiphy *wiphy, - ret = ieee80211_vif_use_channel(sdata, chandef, - IEEE80211_CHANCTX_EXCLUSIVE); - } -- } else if (local->open_count == local->monitors) { -+ } else if (local_read(&local->open_count) == local->monitors) { - local->_oper_chandef = *chandef; - ieee80211_hw_config(local, 0); - } -@@ -3429,7 +3429,7 @@ static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, - else - local->probe_req_reg--; - -- if (!local->open_count) -+ if (!local_read(&local->open_count)) - break; - - ieee80211_queue_work(&local->hw, &local->reconfig_filter); -@@ -3564,8 +3564,8 @@ static int ieee80211_cfg_get_channel(struct wiphy *wiphy, - if (chanctx_conf) { - *chandef = sdata->vif.bss_conf.chandef; - ret = 0; -- } else if (local->open_count > 0 && -- local->open_count == local->monitors && -+ } else if (local_read(&local->open_count) > 0 && -+ local_read(&local->open_count) == local->monitors && - sdata->vif.type == NL80211_IFTYPE_MONITOR) { - if (local->use_chanctx) - *chandef = local->monitor_chandef; -diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h -index c0a9187..2a13300 100644 ---- a/net/mac80211/ieee80211_i.h -+++ b/net/mac80211/ieee80211_i.h -@@ -30,6 +30,7 @@ - #include <net/ieee80211_radiotap.h> - #include <net/cfg80211.h> - #include <net/mac80211.h> -+#include <asm/local.h> - #include "key.h" - #include "sta_info.h" - #include "debug.h" -@@ -1118,7 +1119,7 @@ struct ieee80211_local { - /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ - spinlock_t queue_stop_reason_lock; - -- int open_count; -+ local_t open_count; - int monitors, cooked_mntrs; - /* number of interfaces with corresponding FIF_ flags */ - int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, -diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c -index 84cef60..53ec813 100644 ---- a/net/mac80211/iface.c -+++ b/net/mac80211/iface.c -@@ -550,7 +550,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) - break; - } - -- if (local->open_count == 0) { -+ if (local_read(&local->open_count) == 0) { - res = drv_start(local); - if (res) - goto err_del_bss; -@@ -597,7 +597,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) - res = drv_add_interface(local, sdata); - if (res) - goto err_stop; -- } else if (local->monitors == 0 && local->open_count == 0) { -+ } else if (local->monitors == 0 && local_read(&local->open_count) == 0) { - res = ieee80211_add_virtual_monitor(local); - if (res) - goto err_stop; -@@ -707,7 +707,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) - atomic_inc(&local->iff_promiscs); - - if (coming_up) -- local->open_count++; -+ local_inc(&local->open_count); - - if (hw_reconf_flags) - ieee80211_hw_config(local, hw_reconf_flags); -@@ -745,7 +745,7 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) - err_del_interface: - drv_remove_interface(local, sdata); - err_stop: -- if (!local->open_count) -+ if (!local_read(&local->open_count)) - drv_stop(local); - err_del_bss: - sdata->bss = NULL; -@@ -915,7 +915,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, - } - - if (going_down) -- local->open_count--; -+ local_dec(&local->open_count); - - switch (sdata->vif.type) { - case NL80211_IFTYPE_AP_VLAN: -@@ -984,7 +984,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, - atomic_set(&sdata->txqs_len[txqi->txq.ac], 0); - } - -- if (local->open_count == 0) -+ if (local_read(&local->open_count) == 0) - ieee80211_clear_tx_pending(local); - - /* -@@ -1027,7 +1027,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, - if (cancel_scan) - flush_delayed_work(&local->scan_work); - -- if (local->open_count == 0) { -+ if (local_read(&local->open_count) == 0) { - ieee80211_stop_device(local); - - /* no reconfiguring after stop! */ -@@ -1038,7 +1038,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, - ieee80211_configure_filter(local); - ieee80211_hw_config(local, hw_reconf_flags); - -- if (local->monitors == local->open_count) -+ if (local->monitors == local_read(&local->open_count)) - ieee80211_add_virtual_monitor(local); - } - -diff --git a/net/mac80211/main.c b/net/mac80211/main.c -index e86daed..9cbf3f4 100644 ---- a/net/mac80211/main.c -+++ b/net/mac80211/main.c -@@ -175,7 +175,7 @@ int ieee80211_hw_config(struct ieee80211_local *local, u32 changed) - changed &= ~(IEEE80211_CONF_CHANGE_CHANNEL | - IEEE80211_CONF_CHANGE_POWER); - -- if (changed && local->open_count) { -+ if (changed && local_read(&local->open_count)) { - ret = drv_config(local, changed); - /* - * Goal: -diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c -index ac6ad62..77dbac5 100644 ---- a/net/mac80211/pm.c -+++ b/net/mac80211/pm.c -@@ -12,7 +12,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) - struct ieee80211_sub_if_data *sdata; - struct sta_info *sta; - -- if (!local->open_count) -+ if (!local_read(&local->open_count)) - goto suspend; - - ieee80211_scan_cancel(local); -@@ -150,7 +150,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) - WARN_ON(!list_empty(&local->chanctx_list)); - - /* stop hardware - this must stop RX */ -- if (local->open_count) -+ if (local_read(&local->open_count)) - ieee80211_stop_device(local); - - suspend: -diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c -index d53355b..21f583a 100644 ---- a/net/mac80211/rate.c -+++ b/net/mac80211/rate.c -@@ -724,7 +724,7 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, - - ASSERT_RTNL(); - -- if (local->open_count) -+ if (local_read(&local->open_count)) - return -EBUSY; - - if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { -diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c -index 2880f2a..3085cec 100644 ---- a/net/mac80211/sta_info.c -+++ b/net/mac80211/sta_info.c -@@ -339,7 +339,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, - int size = sizeof(struct txq_info) + - ALIGN(hw->txq_data_size, sizeof(void *)); - -- txq_data = kcalloc(ARRAY_SIZE(sta->sta.txq), size, gfp); -+ txq_data = kcalloc(size, ARRAY_SIZE(sta->sta.txq), gfp); - if (!txq_data) - goto free; - -diff --git a/net/mac80211/util.c b/net/mac80211/util.c -index b864ebc..17326ff 100644 ---- a/net/mac80211/util.c -+++ b/net/mac80211/util.c -@@ -1761,7 +1761,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) - bool sched_scan_stopped = false; - - /* nothing to do if HW shouldn't run */ -- if (!local->open_count) -+ if (!local_read(&local->open_count)) - goto wake_up; - - #ifdef CONFIG_PM -@@ -2033,7 +2033,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) - local->in_reconfig = false; - barrier(); - -- if (local->monitors == local->open_count && local->monitors > 0) -+ if (local->monitors == local_read(&local->open_count) && local->monitors > 0) - ieee80211_add_virtual_monitor(local); - - /* -@@ -2088,7 +2088,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) - * If this is for hw restart things are still running. - * We may want to change that later, however. - */ -- if (local->open_count && (!local->suspended || reconfig_due_to_wowlan)) -+ if (local_read(&local->open_count) && (!local->suspended || reconfig_due_to_wowlan)) - drv_reconfig_complete(local, IEEE80211_RECONFIG_TYPE_RESTART); - - if (!local->suspended) -@@ -2112,7 +2112,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) - flush_delayed_work(&local->scan_work); - } - -- if (local->open_count && !reconfig_due_to_wowlan) -+ if (local_read(&local->open_count) && !reconfig_due_to_wowlan) - drv_reconfig_complete(local, IEEE80211_RECONFIG_TYPE_SUSPEND); - - list_for_each_entry(sdata, &local->interfaces, list) { -diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c -index 1f93a59..96faa29 100644 ---- a/net/mpls/af_mpls.c -+++ b/net/mpls/af_mpls.c -@@ -456,7 +456,7 @@ static int mpls_dev_sysctl_register(struct net_device *dev, - struct mpls_dev *mdev) - { - char path[sizeof("net/mpls/conf/") + IFNAMSIZ]; -- struct ctl_table *table; -+ ctl_table_no_const *table; - int i; - - table = kmemdup(&mpls_dev_table, sizeof(mpls_dev_table), GFP_KERNEL); -@@ -1025,7 +1025,7 @@ static int mpls_platform_labels(struct ctl_table *table, int write, - struct net *net = table->data; - int platform_labels = net->mpls.platform_labels; - int ret; -- struct ctl_table tmp = { -+ ctl_table_no_const tmp = { - .procname = table->procname, - .data = &platform_labels, - .maxlen = sizeof(int), -@@ -1055,7 +1055,7 @@ static const struct ctl_table mpls_table[] = { - - static int mpls_net_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - net->mpls.platform_labels = 0; - net->mpls.platform_label = NULL; -diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig -index a0f3e6a3..b026fe2 100644 ---- a/net/netfilter/Kconfig -+++ b/net/netfilter/Kconfig -@@ -1112,6 +1112,16 @@ config NETFILTER_XT_MATCH_ESP - - To compile it as a module, choose M here. If unsure, say N. - -+config NETFILTER_XT_MATCH_GRADM -+ tristate '"gradm" match support' -+ depends on NETFILTER_XTABLES && NETFILTER_ADVANCED -+ depends on GRKERNSEC && !GRKERNSEC_NO_RBAC -+ ---help--- -+ The gradm match allows to match on grsecurity RBAC being enabled. -+ It is useful when iptables rules are applied early on bootup to -+ prevent connections to the machine (except from a trusted host) -+ while the RBAC system is disabled. -+ - config NETFILTER_XT_MATCH_HASHLIMIT - tristate '"hashlimit" match support' - depends on (IP6_NF_IPTABLES || IP6_NF_IPTABLES=n) -diff --git a/net/netfilter/Makefile b/net/netfilter/Makefile -index a87d8b8..d43183c 100644 ---- a/net/netfilter/Makefile -+++ b/net/netfilter/Makefile -@@ -139,6 +139,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_DEVGROUP) += xt_devgroup.o - obj-$(CONFIG_NETFILTER_XT_MATCH_DSCP) += xt_dscp.o - obj-$(CONFIG_NETFILTER_XT_MATCH_ECN) += xt_ecn.o - obj-$(CONFIG_NETFILTER_XT_MATCH_ESP) += xt_esp.o -+obj-$(CONFIG_NETFILTER_XT_MATCH_GRADM) += xt_gradm.o - obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o - obj-$(CONFIG_NETFILTER_XT_MATCH_HELPER) += xt_helper.o - obj-$(CONFIG_NETFILTER_XT_MATCH_HL) += xt_hl.o -diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c -index d259da3..6a32b2c 100644 ---- a/net/netfilter/ipset/ip_set_core.c -+++ b/net/netfilter/ipset/ip_set_core.c -@@ -1952,7 +1952,7 @@ done: - return ret; - } - --static struct nf_sockopt_ops so_set __read_mostly = { -+static struct nf_sockopt_ops so_set = { - .pf = PF_INET, - .get_optmin = SO_IP_SET, - .get_optmax = SO_IP_SET + 1, -diff --git a/net/netfilter/ipvs/ip_vs_conn.c b/net/netfilter/ipvs/ip_vs_conn.c -index b0f7b62..0541842 100644 ---- a/net/netfilter/ipvs/ip_vs_conn.c -+++ b/net/netfilter/ipvs/ip_vs_conn.c -@@ -572,7 +572,7 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, struct ip_vs_dest *dest) - /* Increase the refcnt counter of the dest */ - ip_vs_dest_hold(dest); - -- conn_flags = atomic_read(&dest->conn_flags); -+ conn_flags = atomic_read_unchecked(&dest->conn_flags); - if (cp->protocol != IPPROTO_UDP) - conn_flags &= ~IP_VS_CONN_F_ONE_PACKET; - flags = cp->flags; -@@ -922,7 +922,7 @@ ip_vs_conn_new(const struct ip_vs_conn_param *p, int dest_af, - - cp->control = NULL; - atomic_set(&cp->n_control, 0); -- atomic_set(&cp->in_pkts, 0); -+ atomic_set_unchecked(&cp->in_pkts, 0); - - cp->packet_xmit = NULL; - cp->app = NULL; -@@ -1229,7 +1229,7 @@ static inline int todrop_entry(struct ip_vs_conn *cp) - - /* Don't drop the entry if its number of incoming packets is not - located in [0, 8] */ -- i = atomic_read(&cp->in_pkts); -+ i = atomic_read_unchecked(&cp->in_pkts); - if (i > 8 || i < 0) return 0; - - if (!todrop_rate[i]) return 0; -diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c -index 5d2b806..9005b29 100644 ---- a/net/netfilter/ipvs/ip_vs_core.c -+++ b/net/netfilter/ipvs/ip_vs_core.c -@@ -574,7 +574,7 @@ int ip_vs_leave(struct ip_vs_service *svc, struct sk_buff *skb, - ret = cp->packet_xmit(skb, cp, pd->pp, iph); - /* do not touch skb anymore */ - -- atomic_inc(&cp->in_pkts); -+ atomic_inc_unchecked(&cp->in_pkts); - ip_vs_conn_put(cp); - return ret; - } -@@ -1750,7 +1750,7 @@ ip_vs_in(unsigned int hooknum, struct sk_buff *skb, int af) - if (cp->flags & IP_VS_CONN_F_ONE_PACKET) - pkts = sysctl_sync_threshold(ipvs); - else -- pkts = atomic_add_return(1, &cp->in_pkts); -+ pkts = atomic_add_return_unchecked(1, &cp->in_pkts); - - if (ipvs->sync_state & IP_VS_STATE_MASTER) - ip_vs_sync_conn(net, cp, pkts); -diff --git a/net/netfilter/ipvs/ip_vs_ctl.c b/net/netfilter/ipvs/ip_vs_ctl.c -index 285eae3..226f4a7 100644 ---- a/net/netfilter/ipvs/ip_vs_ctl.c -+++ b/net/netfilter/ipvs/ip_vs_ctl.c -@@ -814,7 +814,7 @@ __ip_vs_update_dest(struct ip_vs_service *svc, struct ip_vs_dest *dest, - */ - ip_vs_rs_hash(ipvs, dest); - } -- atomic_set(&dest->conn_flags, conn_flags); -+ atomic_set_unchecked(&dest->conn_flags, conn_flags); - - /* bind the service */ - old_svc = rcu_dereference_protected(dest->svc, 1); -@@ -1679,7 +1679,7 @@ proc_do_sync_ports(struct ctl_table *table, int write, - * align with netns init in ip_vs_control_net_init() - */ - --static struct ctl_table vs_vars[] = { -+static ctl_table_no_const vs_vars[] __read_only = { - { - .procname = "amemthresh", - .maxlen = sizeof(int), -@@ -2020,7 +2020,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v) - " %-7s %-6d %-10d %-10d\n", - &dest->addr.in6, - ntohs(dest->port), -- ip_vs_fwd_name(atomic_read(&dest->conn_flags)), -+ ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)), - atomic_read(&dest->weight), - atomic_read(&dest->activeconns), - atomic_read(&dest->inactconns)); -@@ -2031,7 +2031,7 @@ static int ip_vs_info_seq_show(struct seq_file *seq, void *v) - "%-7s %-6d %-10d %-10d\n", - ntohl(dest->addr.ip), - ntohs(dest->port), -- ip_vs_fwd_name(atomic_read(&dest->conn_flags)), -+ ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)), - atomic_read(&dest->weight), - atomic_read(&dest->activeconns), - atomic_read(&dest->inactconns)); -@@ -2528,7 +2528,7 @@ __ip_vs_get_dest_entries(struct net *net, const struct ip_vs_get_dests *get, - - entry.addr = dest->addr.ip; - entry.port = dest->port; -- entry.conn_flags = atomic_read(&dest->conn_flags); -+ entry.conn_flags = atomic_read_unchecked(&dest->conn_flags); - entry.weight = atomic_read(&dest->weight); - entry.u_threshold = dest->u_threshold; - entry.l_threshold = dest->l_threshold; -@@ -3101,7 +3101,7 @@ static int ip_vs_genl_fill_dest(struct sk_buff *skb, struct ip_vs_dest *dest) - if (nla_put(skb, IPVS_DEST_ATTR_ADDR, sizeof(dest->addr), &dest->addr) || - nla_put_be16(skb, IPVS_DEST_ATTR_PORT, dest->port) || - nla_put_u32(skb, IPVS_DEST_ATTR_FWD_METHOD, -- (atomic_read(&dest->conn_flags) & -+ (atomic_read_unchecked(&dest->conn_flags) & - IP_VS_CONN_F_FWD_MASK)) || - nla_put_u32(skb, IPVS_DEST_ATTR_WEIGHT, - atomic_read(&dest->weight)) || -@@ -3739,7 +3739,7 @@ static int __net_init ip_vs_control_net_init_sysctl(struct net *net) - { - int idx; - struct netns_ipvs *ipvs = net_ipvs(net); -- struct ctl_table *tbl; -+ ctl_table_no_const *tbl; - - atomic_set(&ipvs->dropentry, 0); - spin_lock_init(&ipvs->dropentry_lock); -diff --git a/net/netfilter/ipvs/ip_vs_lblc.c b/net/netfilter/ipvs/ip_vs_lblc.c -index 127f140..553d652 100644 ---- a/net/netfilter/ipvs/ip_vs_lblc.c -+++ b/net/netfilter/ipvs/ip_vs_lblc.c -@@ -118,7 +118,7 @@ struct ip_vs_lblc_table { - * IPVS LBLC sysctl table - */ - #ifdef CONFIG_SYSCTL --static struct ctl_table vs_vars_table[] = { -+static ctl_table_no_const vs_vars_table[] __read_only = { - { - .procname = "lblc_expiration", - .data = NULL, -diff --git a/net/netfilter/ipvs/ip_vs_lblcr.c b/net/netfilter/ipvs/ip_vs_lblcr.c -index 2229d2d..b32b785 100644 ---- a/net/netfilter/ipvs/ip_vs_lblcr.c -+++ b/net/netfilter/ipvs/ip_vs_lblcr.c -@@ -289,7 +289,7 @@ struct ip_vs_lblcr_table { - * IPVS LBLCR sysctl table - */ - --static struct ctl_table vs_vars_table[] = { -+static ctl_table_no_const vs_vars_table[] __read_only = { - { - .procname = "lblcr_expiration", - .data = NULL, -diff --git a/net/netfilter/ipvs/ip_vs_sync.c b/net/netfilter/ipvs/ip_vs_sync.c -index 19b9cce..e4f3112 100644 ---- a/net/netfilter/ipvs/ip_vs_sync.c -+++ b/net/netfilter/ipvs/ip_vs_sync.c -@@ -609,7 +609,7 @@ static void ip_vs_sync_conn_v0(struct net *net, struct ip_vs_conn *cp, - cp = cp->control; - if (cp) { - if (cp->flags & IP_VS_CONN_F_TEMPLATE) -- pkts = atomic_add_return(1, &cp->in_pkts); -+ pkts = atomic_add_return_unchecked(1, &cp->in_pkts); - else - pkts = sysctl_sync_threshold(ipvs); - ip_vs_sync_conn(net, cp->control, pkts); -@@ -771,7 +771,7 @@ control: - if (!cp) - return; - if (cp->flags & IP_VS_CONN_F_TEMPLATE) -- pkts = atomic_add_return(1, &cp->in_pkts); -+ pkts = atomic_add_return_unchecked(1, &cp->in_pkts); - else - pkts = sysctl_sync_threshold(ipvs); - goto sloop; -@@ -919,7 +919,7 @@ static void ip_vs_proc_conn(struct net *net, struct ip_vs_conn_param *param, - - if (opt) - memcpy(&cp->in_seq, opt, sizeof(*opt)); -- atomic_set(&cp->in_pkts, sysctl_sync_threshold(ipvs)); -+ atomic_set_unchecked(&cp->in_pkts, sysctl_sync_threshold(ipvs)); - cp->state = state; - cp->old_state = cp->state; - /* -diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c -index 19986ec..416dbc5 100644 ---- a/net/netfilter/ipvs/ip_vs_xmit.c -+++ b/net/netfilter/ipvs/ip_vs_xmit.c -@@ -1215,7 +1215,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp, - else - rc = NF_ACCEPT; - /* do not touch skb anymore */ -- atomic_inc(&cp->in_pkts); -+ atomic_inc_unchecked(&cp->in_pkts); - goto out; - } - -@@ -1308,7 +1308,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp, - else - rc = NF_ACCEPT; - /* do not touch skb anymore */ -- atomic_inc(&cp->in_pkts); -+ atomic_inc_unchecked(&cp->in_pkts); - goto out; - } - -diff --git a/net/netfilter/nf_conntrack_acct.c b/net/netfilter/nf_conntrack_acct.c -index 45da11a..ef3e5dc 100644 ---- a/net/netfilter/nf_conntrack_acct.c -+++ b/net/netfilter/nf_conntrack_acct.c -@@ -64,7 +64,7 @@ static struct nf_ct_ext_type acct_extend __read_mostly = { - #ifdef CONFIG_SYSCTL - static int nf_conntrack_acct_init_sysctl(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(acct_sysctl_table, sizeof(acct_sysctl_table), - GFP_KERNEL); -diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c -index 13fad86..18c984c 100644 ---- a/net/netfilter/nf_conntrack_core.c -+++ b/net/netfilter/nf_conntrack_core.c -@@ -1733,6 +1733,10 @@ void nf_conntrack_init_end(void) - #define DYING_NULLS_VAL ((1<<30)+1) - #define TEMPLATE_NULLS_VAL ((1<<30)+2) - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+static atomic_unchecked_t conntrack_cache_id = ATOMIC_INIT(0); -+#endif -+ - int nf_conntrack_init_net(struct net *net) - { - int ret = -ENOMEM; -@@ -1758,7 +1762,11 @@ int nf_conntrack_init_net(struct net *net) - if (!net->ct.stat) - goto err_pcpu_lists; - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%08x", atomic_inc_return_unchecked(&conntrack_cache_id)); -+#else - net->ct.slabname = kasprintf(GFP_KERNEL, "nf_conntrack_%p", net); -+#endif - if (!net->ct.slabname) - goto err_slabname; - -diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c -index 4e78c57..ec8fb74 100644 ---- a/net/netfilter/nf_conntrack_ecache.c -+++ b/net/netfilter/nf_conntrack_ecache.c -@@ -264,7 +264,7 @@ static struct nf_ct_ext_type event_extend __read_mostly = { - #ifdef CONFIG_SYSCTL - static int nf_conntrack_event_init_sysctl(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(event_sysctl_table, sizeof(event_sysctl_table), - GFP_KERNEL); -diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c -index bd9d315..989947e 100644 ---- a/net/netfilter/nf_conntrack_helper.c -+++ b/net/netfilter/nf_conntrack_helper.c -@@ -57,7 +57,7 @@ static struct ctl_table helper_sysctl_table[] = { - - static int nf_conntrack_helper_init_sysctl(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(helper_sysctl_table, sizeof(helper_sysctl_table), - GFP_KERNEL); -diff --git a/net/netfilter/nf_conntrack_proto.c b/net/netfilter/nf_conntrack_proto.c -index b65d586..beec902 100644 ---- a/net/netfilter/nf_conntrack_proto.c -+++ b/net/netfilter/nf_conntrack_proto.c -@@ -52,7 +52,7 @@ nf_ct_register_sysctl(struct net *net, - - static void - nf_ct_unregister_sysctl(struct ctl_table_header **header, -- struct ctl_table **table, -+ ctl_table_no_const **table, - unsigned int users) - { - if (users > 0) -diff --git a/net/netfilter/nf_conntrack_standalone.c b/net/netfilter/nf_conntrack_standalone.c -index fc823fa..8311af3 100644 ---- a/net/netfilter/nf_conntrack_standalone.c -+++ b/net/netfilter/nf_conntrack_standalone.c -@@ -468,7 +468,7 @@ static struct ctl_table nf_ct_netfilter_table[] = { - - static int nf_conntrack_standalone_init_sysctl(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(nf_ct_sysctl_table, sizeof(nf_ct_sysctl_table), - GFP_KERNEL); -diff --git a/net/netfilter/nf_conntrack_timestamp.c b/net/netfilter/nf_conntrack_timestamp.c -index 7a394df..bd91a8a 100644 ---- a/net/netfilter/nf_conntrack_timestamp.c -+++ b/net/netfilter/nf_conntrack_timestamp.c -@@ -42,7 +42,7 @@ static struct nf_ct_ext_type tstamp_extend __read_mostly = { - #ifdef CONFIG_SYSCTL - static int nf_conntrack_tstamp_init_sysctl(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(tstamp_sysctl_table, sizeof(tstamp_sysctl_table), - GFP_KERNEL); -diff --git a/net/netfilter/nf_log.c b/net/netfilter/nf_log.c -index 675d12c..b36e825 100644 ---- a/net/netfilter/nf_log.c -+++ b/net/netfilter/nf_log.c -@@ -386,7 +386,7 @@ static const struct file_operations nflog_file_ops = { - - #ifdef CONFIG_SYSCTL - static char nf_log_sysctl_fnames[NFPROTO_NUMPROTO-NFPROTO_UNSPEC][3]; --static struct ctl_table nf_log_sysctl_table[NFPROTO_NUMPROTO+1]; -+static ctl_table_no_const nf_log_sysctl_table[NFPROTO_NUMPROTO+1] __read_only; - - static int nf_log_proc_dostring(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) -@@ -417,13 +417,15 @@ static int nf_log_proc_dostring(struct ctl_table *table, int write, - rcu_assign_pointer(net->nf.nf_loggers[tindex], logger); - mutex_unlock(&nf_log_mutex); - } else { -+ ctl_table_no_const nf_log_table = *table; -+ - mutex_lock(&nf_log_mutex); - logger = nft_log_dereference(net->nf.nf_loggers[tindex]); - if (!logger) -- table->data = "NONE"; -+ nf_log_table.data = "NONE"; - else -- table->data = logger->name; -- r = proc_dostring(table, write, buffer, lenp, ppos); -+ nf_log_table.data = logger->name; -+ r = proc_dostring(&nf_log_table, write, buffer, lenp, ppos); - mutex_unlock(&nf_log_mutex); - } - -diff --git a/net/netfilter/nf_sockopt.c b/net/netfilter/nf_sockopt.c -index c68c1e5..8b5d670 100644 ---- a/net/netfilter/nf_sockopt.c -+++ b/net/netfilter/nf_sockopt.c -@@ -43,7 +43,7 @@ int nf_register_sockopt(struct nf_sockopt_ops *reg) - } - } - -- list_add(&reg->list, &nf_sockopts); -+ pax_list_add((struct list_head *)&reg->list, &nf_sockopts); - out: - mutex_unlock(&nf_sockopt_mutex); - return ret; -@@ -53,7 +53,7 @@ EXPORT_SYMBOL(nf_register_sockopt); - void nf_unregister_sockopt(struct nf_sockopt_ops *reg) - { - mutex_lock(&nf_sockopt_mutex); -- list_del(&reg->list); -+ pax_list_del((struct list_head *)&reg->list); - mutex_unlock(&nf_sockopt_mutex); - } - EXPORT_SYMBOL(nf_unregister_sockopt); -diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c -index 4ef1fae..f72f08b 100644 ---- a/net/netfilter/nfnetlink_log.c -+++ b/net/netfilter/nfnetlink_log.c -@@ -84,7 +84,7 @@ static int nfnl_log_net_id __read_mostly; - struct nfnl_log_net { - spinlock_t instances_lock; - struct hlist_head instance_table[INSTANCE_BUCKETS]; -- atomic_t global_seq; -+ atomic_unchecked_t global_seq; - }; - - static struct nfnl_log_net *nfnl_log_pernet(struct net *net) -@@ -572,7 +572,7 @@ __build_packet_message(struct nfnl_log_net *log, - /* global sequence number */ - if ((inst->flags & NFULNL_CFG_F_SEQ_GLOBAL) && - nla_put_be32(inst->skb, NFULA_SEQ_GLOBAL, -- htonl(atomic_inc_return(&log->global_seq)))) -+ htonl(atomic_inc_return_unchecked(&log->global_seq)))) - goto nla_put_failure; - - if (data_len) { -diff --git a/net/netfilter/nft_compat.c b/net/netfilter/nft_compat.c -index 7f29cfc..917ef5f 100644 ---- a/net/netfilter/nft_compat.c -+++ b/net/netfilter/nft_compat.c -@@ -321,14 +321,7 @@ static void nft_match_eval(const struct nft_expr *expr, - return; - } - -- switch (ret ? 1 : 0) { -- case 1: -- regs->verdict.code = NFT_CONTINUE; -- break; -- case 0: -- regs->verdict.code = NFT_BREAK; -- break; -- } -+ regs->verdict.code = ret ? NFT_CONTINUE : NFT_BREAK; - } - - static const struct nla_policy nft_match_policy[NFTA_MATCH_MAX + 1] = { -diff --git a/net/netfilter/xt_gradm.c b/net/netfilter/xt_gradm.c -new file mode 100644 -index 0000000..c566332 ---- /dev/null -+++ b/net/netfilter/xt_gradm.c -@@ -0,0 +1,51 @@ -+/* -+ * gradm match for netfilter -+ * Copyright © Zbigniew Krzystolik, 2010 -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License; either version -+ * 2 or 3 as published by the Free Software Foundation. -+ */ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter/x_tables.h> -+#include <linux/grsecurity.h> -+#include <linux/netfilter/xt_gradm.h> -+ -+static bool -+gradm_mt(const struct sk_buff *skb, struct xt_action_param *par) -+{ -+ const struct xt_gradm_mtinfo *info = par->matchinfo; -+ bool retval = false; -+ if (gr_acl_is_enabled()) -+ retval = true; -+ return retval ^ info->invflags; -+} -+ -+static struct xt_match gradm_mt_reg __read_mostly = { -+ .name = "gradm", -+ .revision = 0, -+ .family = NFPROTO_UNSPEC, -+ .match = gradm_mt, -+ .matchsize = XT_ALIGN(sizeof(struct xt_gradm_mtinfo)), -+ .me = THIS_MODULE, -+}; -+ -+static int __init gradm_mt_init(void) -+{ -+ return xt_register_match(&gradm_mt_reg); -+} -+ -+static void __exit gradm_mt_exit(void) -+{ -+ xt_unregister_match(&gradm_mt_reg); -+} -+ -+module_init(gradm_mt_init); -+module_exit(gradm_mt_exit); -+MODULE_AUTHOR("Zbigniew Krzystolik zbyniu@destrukcja.pl"); -+MODULE_DESCRIPTION("Xtables: Grsecurity RBAC match"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS("ipt_gradm"); -+MODULE_ALIAS("ip6t_gradm"); -diff --git a/net/netfilter/xt_hashlimit.c b/net/netfilter/xt_hashlimit.c -index 1786968..1ec6dac 100644 ---- a/net/netfilter/xt_hashlimit.c -+++ b/net/netfilter/xt_hashlimit.c -@@ -869,11 +869,11 @@ static int __net_init hashlimit_proc_net_init(struct net *net) - { - struct hashlimit_net *hashlimit_net = hashlimit_pernet(net); - -- hashlimit_net->ipt_hashlimit = proc_mkdir("ipt_hashlimit", net->proc_net); -+ hashlimit_net->ipt_hashlimit = proc_mkdir_restrict("ipt_hashlimit", net->proc_net); - if (!hashlimit_net->ipt_hashlimit) - return -ENOMEM; - #if IS_ENABLED(CONFIG_IP6_NF_IPTABLES) -- hashlimit_net->ip6t_hashlimit = proc_mkdir("ip6t_hashlimit", net->proc_net); -+ hashlimit_net->ip6t_hashlimit = proc_mkdir_restrict("ip6t_hashlimit", net->proc_net); - if (!hashlimit_net->ip6t_hashlimit) { - remove_proc_entry("ipt_hashlimit", net->proc_net); - return -ENOMEM; -diff --git a/net/netfilter/xt_recent.c b/net/netfilter/xt_recent.c -index 45e1b30..a764f94 100644 ---- a/net/netfilter/xt_recent.c -+++ b/net/netfilter/xt_recent.c -@@ -642,7 +642,7 @@ static int __net_init recent_proc_net_init(struct net *net) - { - struct recent_net *recent_net = recent_pernet(net); - -- recent_net->xt_recent = proc_mkdir("xt_recent", net->proc_net); -+ recent_net->xt_recent = proc_mkdir_restrict("xt_recent", net->proc_net); - if (!recent_net->xt_recent) - return -ENOMEM; - return 0; -diff --git a/net/netfilter/xt_statistic.c b/net/netfilter/xt_statistic.c -index 11de55e..f25e448 100644 ---- a/net/netfilter/xt_statistic.c -+++ b/net/netfilter/xt_statistic.c -@@ -19,7 +19,7 @@ - #include <linux/module.h> - - struct xt_statistic_priv { -- atomic_t count; -+ atomic_unchecked_t count; - } ____cacheline_aligned_in_smp; - - MODULE_LICENSE("GPL"); -@@ -42,9 +42,9 @@ statistic_mt(const struct sk_buff *skb, struct xt_action_param *par) - break; - case XT_STATISTIC_MODE_NTH: - do { -- oval = atomic_read(&info->master->count); -+ oval = atomic_read_unchecked(&info->master->count); - nval = (oval == info->u.nth.every) ? 0 : oval + 1; -- } while (atomic_cmpxchg(&info->master->count, oval, nval) != oval); -+ } while (atomic_cmpxchg_unchecked(&info->master->count, oval, nval) != oval); - if (nval == 0) - ret = !ret; - break; -@@ -64,7 +64,7 @@ static int statistic_mt_check(const struct xt_mtchk_param *par) - info->master = kzalloc(sizeof(*info->master), GFP_KERNEL); - if (info->master == NULL) - return -ENOMEM; -- atomic_set(&info->master->count, info->u.nth.count); -+ atomic_set_unchecked(&info->master->count, info->u.nth.count); - - return 0; - } -diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c -index bf6e766..be67817 100644 ---- a/net/netlink/af_netlink.c -+++ b/net/netlink/af_netlink.c -@@ -262,7 +262,7 @@ static void netlink_overrun(struct sock *sk) - sk->sk_error_report(sk); - } - } -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - } - - static void netlink_rcv_wake(struct sock *sk) -@@ -3014,7 +3014,7 @@ static int netlink_seq_show(struct seq_file *seq, void *v) - sk_wmem_alloc_get(s), - nlk->cb_running, - atomic_read(&s->sk_refcnt), -- atomic_read(&s->sk_drops), -+ atomic_read_unchecked(&s->sk_drops), - sock_i_ino(s) - ); - -diff --git a/net/openvswitch/vport-internal_dev.c b/net/openvswitch/vport-internal_dev.c -index 6a55f71..e88c937 100644 ---- a/net/openvswitch/vport-internal_dev.c -+++ b/net/openvswitch/vport-internal_dev.c -@@ -124,7 +124,7 @@ static const struct net_device_ops internal_dev_netdev_ops = { - .ndo_get_stats64 = internal_dev_get_stats, - }; - --static struct rtnl_link_ops internal_dev_link_ops __read_mostly = { -+static struct rtnl_link_ops internal_dev_link_ops = { - .kind = "openvswitch", - }; - -diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c -index 067a3ff..9ecc05c 100644 ---- a/net/openvswitch/vport.c -+++ b/net/openvswitch/vport.c -@@ -303,10 +303,10 @@ void ovs_vport_get_stats(struct vport *vport, struct ovs_vport_stats *stats) - * netdev-stats can be directly read over netlink-ioctl. - */ - -- stats->rx_errors = atomic_long_read(&vport->err_stats.rx_errors); -- stats->tx_errors = atomic_long_read(&vport->err_stats.tx_errors); -- stats->tx_dropped = atomic_long_read(&vport->err_stats.tx_dropped); -- stats->rx_dropped = atomic_long_read(&vport->err_stats.rx_dropped); -+ stats->rx_errors = atomic_long_read_unchecked(&vport->err_stats.rx_errors); -+ stats->tx_errors = atomic_long_read_unchecked(&vport->err_stats.tx_errors); -+ stats->tx_dropped = atomic_long_read_unchecked(&vport->err_stats.tx_dropped); -+ stats->rx_dropped = atomic_long_read_unchecked(&vport->err_stats.rx_dropped); - - for_each_possible_cpu(i) { - const struct pcpu_sw_netstats *percpu_stats; -@@ -538,19 +538,19 @@ static void ovs_vport_record_error(struct vport *vport, - { - switch (err_type) { - case VPORT_E_RX_DROPPED: -- atomic_long_inc(&vport->err_stats.rx_dropped); -+ atomic_long_inc_unchecked(&vport->err_stats.rx_dropped); - break; - - case VPORT_E_RX_ERROR: -- atomic_long_inc(&vport->err_stats.rx_errors); -+ atomic_long_inc_unchecked(&vport->err_stats.rx_errors); - break; - - case VPORT_E_TX_DROPPED: -- atomic_long_inc(&vport->err_stats.tx_dropped); -+ atomic_long_inc_unchecked(&vport->err_stats.tx_dropped); - break; - - case VPORT_E_TX_ERROR: -- atomic_long_inc(&vport->err_stats.tx_errors); -+ atomic_long_inc_unchecked(&vport->err_stats.tx_errors); - break; - } - -diff --git a/net/openvswitch/vport.h b/net/openvswitch/vport.h -index bc85331..0d3dce0 100644 ---- a/net/openvswitch/vport.h -+++ b/net/openvswitch/vport.h -@@ -71,10 +71,10 @@ int ovs_vport_get_egress_tun_info(struct vport *vport, struct sk_buff *skb, - /* The following definitions are for implementers of vport devices: */ - - struct vport_err_stats { -- atomic_long_t rx_dropped; -- atomic_long_t rx_errors; -- atomic_long_t tx_dropped; -- atomic_long_t tx_errors; -+ atomic_long_unchecked_t rx_dropped; -+ atomic_long_unchecked_t rx_errors; -+ atomic_long_unchecked_t tx_dropped; -+ atomic_long_unchecked_t tx_errors; - }; - /** - * struct vport_portids - array of netlink portids of a vport. -diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c -index fe1610d..ec1c87f 100644 ---- a/net/packet/af_packet.c -+++ b/net/packet/af_packet.c -@@ -275,7 +275,7 @@ static int packet_direct_xmit(struct sk_buff *skb) - - return ret; - drop: -- atomic_long_inc(&dev->tx_dropped); -+ atomic_long_inc_unchecked(&dev->tx_dropped); - kfree_skb(skb); - return NET_XMIT_DROP; - } -@@ -1848,7 +1848,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, - drop_n_acct: - spin_lock(&sk->sk_receive_queue.lock); - po->stats.stats1.tp_drops++; -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - spin_unlock(&sk->sk_receive_queue.lock); - - drop_n_restore: -@@ -3514,7 +3514,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname, - case PACKET_HDRLEN: - if (len > sizeof(int)) - len = sizeof(int); -- if (copy_from_user(&val, optval, len)) -+ if (len > sizeof(val) || copy_from_user(&val, optval, len)) - return -EFAULT; - switch (val) { - case TPACKET_V1: -@@ -3560,7 +3560,7 @@ static int packet_getsockopt(struct socket *sock, int level, int optname, - len = lv; - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, data, len)) -+ if (len > sizeof(st) || copy_to_user(optval, data, len)) - return -EFAULT; - return 0; - } -diff --git a/net/phonet/pep.c b/net/phonet/pep.c -index 6de2aeb..1f8afe8 100644 ---- a/net/phonet/pep.c -+++ b/net/phonet/pep.c -@@ -388,7 +388,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb) - - case PNS_PEP_CTRL_REQ: - if (skb_queue_len(&pn->ctrlreq_queue) >= PNPIPE_CTRLREQ_MAX) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - break; - } - __skb_pull(skb, 4); -@@ -409,7 +409,7 @@ static int pipe_do_rcv(struct sock *sk, struct sk_buff *skb) - } - - if (pn->rx_credits == 0) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - err = -ENOBUFS; - break; - } -@@ -579,7 +579,7 @@ static int pipe_handler_do_rcv(struct sock *sk, struct sk_buff *skb) - } - - if (pn->rx_credits == 0) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - err = NET_RX_DROP; - break; - } -diff --git a/net/phonet/socket.c b/net/phonet/socket.c -index d575ef4..1dedc31 100644 ---- a/net/phonet/socket.c -+++ b/net/phonet/socket.c -@@ -611,7 +611,7 @@ static int pn_sock_seq_show(struct seq_file *seq, void *v) - from_kuid_munged(seq_user_ns(seq), sock_i_uid(sk)), - sock_i_ino(sk), - atomic_read(&sk->sk_refcnt), sk, -- atomic_read(&sk->sk_drops)); -+ atomic_read_unchecked(&sk->sk_drops)); - } - seq_pad(seq, '\n'); - return 0; -diff --git a/net/phonet/sysctl.c b/net/phonet/sysctl.c -index c02a8c4..3c5b600 100644 ---- a/net/phonet/sysctl.c -+++ b/net/phonet/sysctl.c -@@ -67,7 +67,7 @@ static int proc_local_port_range(struct ctl_table *table, int write, - { - int ret; - int range[2] = {local_port_range[0], local_port_range[1]}; -- struct ctl_table tmp = { -+ ctl_table_no_const tmp = { - .data = &range, - .maxlen = sizeof(range), - .mode = table->mode, -diff --git a/net/rds/cong.c b/net/rds/cong.c -index e6144b8..4f9fda6 100644 ---- a/net/rds/cong.c -+++ b/net/rds/cong.c -@@ -78,7 +78,7 @@ - * finds that the saved generation number is smaller than the global generation - * number, it wakes up the process. - */ --static atomic_t rds_cong_generation = ATOMIC_INIT(0); -+static atomic_unchecked_t rds_cong_generation = ATOMIC_INIT(0); - - /* - * Congestion monitoring -@@ -247,7 +247,7 @@ void rds_cong_map_updated(struct rds_cong_map *map, uint64_t portmask) - rdsdebug("waking map %p for %pI4\n", - map, &map->m_addr); - rds_stats_inc(s_cong_update_received); -- atomic_inc(&rds_cong_generation); -+ atomic_inc_unchecked(&rds_cong_generation); - if (waitqueue_active(&map->m_waitq)) - wake_up(&map->m_waitq); - if (waitqueue_active(&rds_poll_waitq)) -@@ -273,7 +273,7 @@ EXPORT_SYMBOL_GPL(rds_cong_map_updated); - - int rds_cong_updated_since(unsigned long *recent) - { -- unsigned long gen = atomic_read(&rds_cong_generation); -+ unsigned long gen = atomic_read_unchecked(&rds_cong_generation); - - if (likely(*recent == gen)) - return 0; -diff --git a/net/rds/ib.h b/net/rds/ib.h -index c36d713..af45bf2 100644 ---- a/net/rds/ib.h -+++ b/net/rds/ib.h -@@ -128,7 +128,7 @@ struct rds_ib_connection { - /* sending acks */ - unsigned long i_ack_flags; - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_t i_ack_next; /* next ACK to send */ -+ atomic64_unchecked_t i_ack_next; /* next ACK to send */ - #else - spinlock_t i_ack_lock; /* protect i_ack_next */ - u64 i_ack_next; /* next ACK to send */ -diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c -index 8a09ee7..45e2b64 100644 ---- a/net/rds/ib_cm.c -+++ b/net/rds/ib_cm.c -@@ -726,7 +726,7 @@ void rds_ib_conn_shutdown(struct rds_connection *conn) - /* Clear the ACK state */ - clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags); - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_set(&ic->i_ack_next, 0); -+ atomic64_set_unchecked(&ic->i_ack_next, 0); - #else - ic->i_ack_next = 0; - #endif -diff --git a/net/rds/ib_recv.c b/net/rds/ib_recv.c -index 1b981a4..ae44b0c 100644 ---- a/net/rds/ib_recv.c -+++ b/net/rds/ib_recv.c -@@ -581,7 +581,7 @@ static u64 rds_ib_get_ack(struct rds_ib_connection *ic) - static void rds_ib_set_ack(struct rds_ib_connection *ic, u64 seq, - int ack_required) - { -- atomic64_set(&ic->i_ack_next, seq); -+ atomic64_set_unchecked(&ic->i_ack_next, seq); - if (ack_required) { - smp_mb__before_atomic(); - set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); -@@ -593,7 +593,7 @@ static u64 rds_ib_get_ack(struct rds_ib_connection *ic) - clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); - smp_mb__after_atomic(); - -- return atomic64_read(&ic->i_ack_next); -+ return atomic64_read_unchecked(&ic->i_ack_next); - } - #endif - -diff --git a/net/rds/info.c b/net/rds/info.c -index 9a6b4f6..140a44a 100644 ---- a/net/rds/info.c -+++ b/net/rds/info.c -@@ -176,7 +176,7 @@ int rds_info_getsockopt(struct socket *sock, int optname, char __user *optval, - - /* check for all kinds of wrapping and the like */ - start = (unsigned long)optval; -- if (len < 0 || len + PAGE_SIZE - 1 < len || start + len < start) { -+ if (len < 0 || len > INT_MAX - PAGE_SIZE + 1 || start + len < start) { - ret = -EINVAL; - goto out; - } -diff --git a/net/rds/iw.h b/net/rds/iw.h -index cbe6674..dc9eb89 100644 ---- a/net/rds/iw.h -+++ b/net/rds/iw.h -@@ -134,7 +134,7 @@ struct rds_iw_connection { - /* sending acks */ - unsigned long i_ack_flags; - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_t i_ack_next; /* next ACK to send */ -+ atomic64_unchecked_t i_ack_next; /* next ACK to send */ - #else - spinlock_t i_ack_lock; /* protect i_ack_next */ - u64 i_ack_next; /* next ACK to send */ -diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c -index a6c2bea..e520995 100644 ---- a/net/rds/iw_cm.c -+++ b/net/rds/iw_cm.c -@@ -663,7 +663,7 @@ void rds_iw_conn_shutdown(struct rds_connection *conn) - /* Clear the ACK state */ - clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags); - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_set(&ic->i_ack_next, 0); -+ atomic64_set_unchecked(&ic->i_ack_next, 0); - #else - ic->i_ack_next = 0; - #endif -diff --git a/net/rds/iw_recv.c b/net/rds/iw_recv.c -index a66d179..cf1e258 100644 ---- a/net/rds/iw_recv.c -+++ b/net/rds/iw_recv.c -@@ -412,7 +412,7 @@ static u64 rds_iw_get_ack(struct rds_iw_connection *ic) - static void rds_iw_set_ack(struct rds_iw_connection *ic, u64 seq, - int ack_required) - { -- atomic64_set(&ic->i_ack_next, seq); -+ atomic64_set_unchecked(&ic->i_ack_next, seq); - if (ack_required) { - smp_mb__before_atomic(); - set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); -@@ -424,7 +424,7 @@ static u64 rds_iw_get_ack(struct rds_iw_connection *ic) - clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); - smp_mb__after_atomic(); - -- return atomic64_read(&ic->i_ack_next); -+ return atomic64_read_unchecked(&ic->i_ack_next); - } - #endif - -diff --git a/net/rds/rds.h b/net/rds/rds.h -index 0d41155..80cc278 100644 ---- a/net/rds/rds.h -+++ b/net/rds/rds.h -@@ -449,7 +449,7 @@ struct rds_transport { - void (*sync_mr)(void *trans_private, int direction); - void (*free_mr)(void *trans_private, int invalidate); - void (*flush_mrs)(void); --}; -+} __do_const; - - struct rds_sock { - struct sock rs_sk; -diff --git a/net/rds/tcp.c b/net/rds/tcp.c -index edac9ef..16bcb98 100644 ---- a/net/rds/tcp.c -+++ b/net/rds/tcp.c -@@ -59,7 +59,7 @@ void rds_tcp_nonagle(struct socket *sock) - int val = 1; - - set_fs(KERNEL_DS); -- sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY, (char __user *)&val, -+ sock->ops->setsockopt(sock, SOL_TCP, TCP_NODELAY, (char __force_user *)&val, - sizeof(val)); - set_fs(oldfs); - } -diff --git a/net/rds/tcp_send.c b/net/rds/tcp_send.c -index 53b17ca..45463e7 100644 ---- a/net/rds/tcp_send.c -+++ b/net/rds/tcp_send.c -@@ -43,7 +43,7 @@ static void rds_tcp_cork(struct socket *sock, int val) - - oldfs = get_fs(); - set_fs(KERNEL_DS); -- sock->ops->setsockopt(sock, SOL_TCP, TCP_CORK, (char __user *)&val, -+ sock->ops->setsockopt(sock, SOL_TCP, TCP_CORK, (char __force_user *)&val, - sizeof(val)); - set_fs(oldfs); - } -diff --git a/net/rxrpc/af_rxrpc.c b/net/rxrpc/af_rxrpc.c -index 0095b9a..e95c49b 100644 ---- a/net/rxrpc/af_rxrpc.c -+++ b/net/rxrpc/af_rxrpc.c -@@ -40,7 +40,7 @@ static const struct proto_ops rxrpc_rpc_ops; - __be32 rxrpc_epoch; - - /* current debugging ID */ --atomic_t rxrpc_debug_id; -+atomic_unchecked_t rxrpc_debug_id; - - /* count of skbs currently in use */ - atomic_t rxrpc_n_skbs; -diff --git a/net/rxrpc/ar-ack.c b/net/rxrpc/ar-ack.c -index e0547f5..a171f7a 100644 ---- a/net/rxrpc/ar-ack.c -+++ b/net/rxrpc/ar-ack.c -@@ -224,7 +224,7 @@ static void rxrpc_resend(struct rxrpc_call *call) - - _enter("{%d,%d,%d,%d},", - call->acks_hard, call->acks_unacked, -- atomic_read(&call->sequence), -+ atomic_read_unchecked(&call->sequence), - CIRC_CNT(call->acks_head, call->acks_tail, call->acks_winsz)); - - stop = false; -@@ -248,7 +248,7 @@ static void rxrpc_resend(struct rxrpc_call *call) - - /* each Tx packet has a new serial number */ - sp->hdr.serial = -- htonl(atomic_inc_return(&call->conn->serial)); -+ htonl(atomic_inc_return_unchecked(&call->conn->serial)); - - hdr = (struct rxrpc_header *) txb->head; - hdr->serial = sp->hdr.serial; -@@ -452,7 +452,7 @@ static void rxrpc_rotate_tx_window(struct rxrpc_call *call, u32 hard) - */ - static void rxrpc_clear_tx_window(struct rxrpc_call *call) - { -- rxrpc_rotate_tx_window(call, atomic_read(&call->sequence)); -+ rxrpc_rotate_tx_window(call, atomic_read_unchecked(&call->sequence)); - } - - /* -@@ -678,7 +678,7 @@ process_further: - - latest = ntohl(sp->hdr.serial); - hard = ntohl(ack.firstPacket); -- tx = atomic_read(&call->sequence); -+ tx = atomic_read_unchecked(&call->sequence); - - _proto("Rx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }", - latest, -@@ -1210,7 +1210,7 @@ void rxrpc_process_call(struct work_struct *work) - goto maybe_reschedule; - - send_ACK_with_skew: -- ack.maxSkew = htons(atomic_read(&call->conn->hi_serial) - -+ ack.maxSkew = htons(atomic_read_unchecked(&call->conn->hi_serial) - - ntohl(ack.serial)); - send_ACK: - mtu = call->conn->trans->peer->if_mtu; -@@ -1222,7 +1222,7 @@ send_ACK: - ackinfo.rxMTU = htonl(rxrpc_rx_mtu); - ackinfo.jumbo_max = htonl(rxrpc_rx_jumbo_max); - -- hdr.serial = htonl(atomic_inc_return(&call->conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial)); - _proto("Tx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }", - ntohl(hdr.serial), - ntohs(ack.maxSkew), -@@ -1240,7 +1240,7 @@ send_ACK: - send_message: - _debug("send message"); - -- hdr.serial = htonl(atomic_inc_return(&call->conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial)); - _proto("Tx %s %%%u", rxrpc_pkts[hdr.type], ntohl(hdr.serial)); - send_message_2: - -diff --git a/net/rxrpc/ar-call.c b/net/rxrpc/ar-call.c -index a9e05db..194e793 100644 ---- a/net/rxrpc/ar-call.c -+++ b/net/rxrpc/ar-call.c -@@ -232,7 +232,7 @@ static struct rxrpc_call *rxrpc_alloc_call(gfp_t gfp) - spin_lock_init(&call->lock); - rwlock_init(&call->state_lock); - atomic_set(&call->usage, 1); -- call->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ call->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - call->state = RXRPC_CALL_CLIENT_SEND_REQUEST; - - memset(&call->sock_node, 0xed, sizeof(call->sock_node)); -diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c -index 6631f4f..bfdf056 100644 ---- a/net/rxrpc/ar-connection.c -+++ b/net/rxrpc/ar-connection.c -@@ -210,7 +210,7 @@ static struct rxrpc_connection *rxrpc_alloc_connection(gfp_t gfp) - rwlock_init(&conn->lock); - spin_lock_init(&conn->state_lock); - atomic_set(&conn->usage, 1); -- conn->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ conn->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - conn->avail_calls = RXRPC_MAXCALLS; - conn->size_align = 4; - conn->header_size = sizeof(struct rxrpc_header); -diff --git a/net/rxrpc/ar-connevent.c b/net/rxrpc/ar-connevent.c -index e7ed43a..6afa140 100644 ---- a/net/rxrpc/ar-connevent.c -+++ b/net/rxrpc/ar-connevent.c -@@ -109,7 +109,7 @@ static int rxrpc_abort_connection(struct rxrpc_connection *conn, - - len = iov[0].iov_len + iov[1].iov_len; - -- hdr.serial = htonl(atomic_inc_return(&conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial)); - _proto("Tx CONN ABORT %%%u { %d }", ntohl(hdr.serial), abort_code); - - ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len); -diff --git a/net/rxrpc/ar-input.c b/net/rxrpc/ar-input.c -index 4505a69..fe73096 100644 ---- a/net/rxrpc/ar-input.c -+++ b/net/rxrpc/ar-input.c -@@ -331,9 +331,9 @@ void rxrpc_fast_process_packet(struct rxrpc_call *call, struct sk_buff *skb) - /* track the latest serial number on this connection for ACK packet - * information */ - serial = ntohl(sp->hdr.serial); -- hi_serial = atomic_read(&call->conn->hi_serial); -+ hi_serial = atomic_read_unchecked(&call->conn->hi_serial); - while (serial > hi_serial) -- hi_serial = atomic_cmpxchg(&call->conn->hi_serial, hi_serial, -+ hi_serial = atomic_cmpxchg_unchecked(&call->conn->hi_serial, hi_serial, - serial); - - /* request ACK generation for any ACK or DATA packet that requests -diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h -index aef1bd2..97736c3 100644 ---- a/net/rxrpc/ar-internal.h -+++ b/net/rxrpc/ar-internal.h -@@ -274,8 +274,8 @@ struct rxrpc_connection { - int error; /* error code for local abort */ - int debug_id; /* debug ID for printks */ - unsigned int call_counter; /* call ID counter */ -- atomic_t serial; /* packet serial number counter */ -- atomic_t hi_serial; /* highest serial number received */ -+ atomic_unchecked_t serial; /* packet serial number counter */ -+ atomic_unchecked_t hi_serial; /* highest serial number received */ - u8 avail_calls; /* number of calls available */ - u8 size_align; /* data size alignment (for security) */ - u8 header_size; /* rxrpc + security header size */ -@@ -348,7 +348,7 @@ struct rxrpc_call { - spinlock_t lock; - rwlock_t state_lock; /* lock for state transition */ - atomic_t usage; -- atomic_t sequence; /* Tx data packet sequence counter */ -+ atomic_unchecked_t sequence; /* Tx data packet sequence counter */ - u32 abort_code; /* local/remote abort code */ - enum { /* current state of call */ - RXRPC_CALL_CLIENT_SEND_REQUEST, /* - client sending request phase */ -@@ -433,7 +433,7 @@ static inline void rxrpc_abort_call(struct rxrpc_call *call, u32 abort_code) - */ - extern atomic_t rxrpc_n_skbs; - extern __be32 rxrpc_epoch; --extern atomic_t rxrpc_debug_id; -+extern atomic_unchecked_t rxrpc_debug_id; - extern struct workqueue_struct *rxrpc_workqueue; - - /* -diff --git a/net/rxrpc/ar-local.c b/net/rxrpc/ar-local.c -index ca904ed..16082d5 100644 ---- a/net/rxrpc/ar-local.c -+++ b/net/rxrpc/ar-local.c -@@ -53,7 +53,7 @@ struct rxrpc_local *rxrpc_alloc_local(struct sockaddr_rxrpc *srx) - spin_lock_init(&local->lock); - rwlock_init(&local->services_lock); - atomic_set(&local->usage, 1); -- local->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ local->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - memcpy(&local->srx, srx, sizeof(*srx)); - } - -diff --git a/net/rxrpc/ar-output.c b/net/rxrpc/ar-output.c -index c004280..ab1ed5a 100644 ---- a/net/rxrpc/ar-output.c -+++ b/net/rxrpc/ar-output.c -@@ -648,14 +648,14 @@ static int rxrpc_send_data(struct rxrpc_sock *rx, - memset(skb_put(skb, pad), 0, pad); - } - -- seq = atomic_inc_return(&call->sequence); -+ seq = atomic_inc_return_unchecked(&call->sequence); - - sp->hdr.epoch = conn->epoch; - sp->hdr.cid = call->cid; - sp->hdr.callNumber = call->call_id; - sp->hdr.seq = htonl(seq); - sp->hdr.serial = -- htonl(atomic_inc_return(&conn->serial)); -+ htonl(atomic_inc_return_unchecked(&conn->serial)); - sp->hdr.type = RXRPC_PACKET_TYPE_DATA; - sp->hdr.userStatus = 0; - sp->hdr.securityIndex = conn->security_ix; -diff --git a/net/rxrpc/ar-peer.c b/net/rxrpc/ar-peer.c -index bebaa43..2644591 100644 ---- a/net/rxrpc/ar-peer.c -+++ b/net/rxrpc/ar-peer.c -@@ -72,7 +72,7 @@ static struct rxrpc_peer *rxrpc_alloc_peer(struct sockaddr_rxrpc *srx, - INIT_LIST_HEAD(&peer->error_targets); - spin_lock_init(&peer->lock); - atomic_set(&peer->usage, 1); -- peer->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ peer->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - memcpy(&peer->srx, srx, sizeof(*srx)); - - rxrpc_assess_MTU_size(peer); -diff --git a/net/rxrpc/ar-proc.c b/net/rxrpc/ar-proc.c -index 38047f7..9f48511 100644 ---- a/net/rxrpc/ar-proc.c -+++ b/net/rxrpc/ar-proc.c -@@ -164,8 +164,8 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v) - atomic_read(&conn->usage), - rxrpc_conn_states[conn->state], - key_serial(conn->key), -- atomic_read(&conn->serial), -- atomic_read(&conn->hi_serial)); -+ atomic_read_unchecked(&conn->serial), -+ atomic_read_unchecked(&conn->hi_serial)); - - return 0; - } -diff --git a/net/rxrpc/ar-transport.c b/net/rxrpc/ar-transport.c -index 1976dec..aa70be5 100644 ---- a/net/rxrpc/ar-transport.c -+++ b/net/rxrpc/ar-transport.c -@@ -51,7 +51,7 @@ static struct rxrpc_transport *rxrpc_alloc_transport(struct rxrpc_local *local, - spin_lock_init(&trans->client_lock); - rwlock_init(&trans->conn_lock); - atomic_set(&trans->usage, 1); -- trans->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ trans->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - - if (peer->srx.transport.family == AF_INET) { - switch (peer->srx.transport_type) { -diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c -index f226709..0e735a8 100644 ---- a/net/rxrpc/rxkad.c -+++ b/net/rxrpc/rxkad.c -@@ -610,7 +610,7 @@ static int rxkad_issue_challenge(struct rxrpc_connection *conn) - - len = iov[0].iov_len + iov[1].iov_len; - -- hdr.serial = htonl(atomic_inc_return(&conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial)); - _proto("Tx CHALLENGE %%%u", ntohl(hdr.serial)); - - ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len); -@@ -660,7 +660,7 @@ static int rxkad_send_response(struct rxrpc_connection *conn, - - len = iov[0].iov_len + iov[1].iov_len + iov[2].iov_len; - -- hdr->serial = htonl(atomic_inc_return(&conn->serial)); -+ hdr->serial = htonl(atomic_inc_return_unchecked(&conn->serial)); - _proto("Tx RESPONSE %%%u", ntohl(hdr->serial)); - - ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 3, len); -diff --git a/net/sched/act_bpf.c b/net/sched/act_bpf.c -index dc6a2d3..3b4fb96 100644 ---- a/net/sched/act_bpf.c -+++ b/net/sched/act_bpf.c -@@ -332,6 +332,9 @@ static void tcf_bpf_cleanup(struct tc_action *act, int bind) - bpf_prog_put(prog->filter); - else - bpf_prog_destroy(prog->filter); -+ -+ kfree(prog->bpf_ops); -+ kfree(prog->bpf_name); - } - - static struct tc_action_ops act_bpf_ops __read_mostly = { -diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c -index 91bd9c1..c0b86f2 100644 ---- a/net/sched/cls_bpf.c -+++ b/net/sched/cls_bpf.c -@@ -364,7 +364,7 @@ static int cls_bpf_change(struct net *net, struct sk_buff *in_skb, - goto errout; - - if (oldprog) { -- list_replace_rcu(&prog->link, &oldprog->link); -+ list_replace_rcu(&oldprog->link, &prog->link); - tcf_unbind_filter(tp, &oldprog->res); - call_rcu(&oldprog->rcu, __cls_bpf_delete_prog); - } else { -diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c -index a620c4e..75df923 100644 ---- a/net/sched/cls_flow.c -+++ b/net/sched/cls_flow.c -@@ -419,6 +419,8 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, - if (!fnew) - goto err2; - -+ tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE); -+ - fold = (struct flow_filter *)*arg; - if (fold) { - err = -EINVAL; -@@ -480,7 +482,6 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, - fnew->mask = ~0U; - fnew->tp = tp; - get_random_bytes(&fnew->hashrnd, 4); -- tcf_exts_init(&fnew->exts, TCA_FLOW_ACT, TCA_FLOW_POLICE); - } - - fnew->perturb_timer.function = flow_perturbation; -@@ -520,7 +521,7 @@ static int flow_change(struct net *net, struct sk_buff *in_skb, - if (*arg == 0) - list_add_tail_rcu(&fnew->list, &head->filters); - else -- list_replace_rcu(&fnew->list, &fold->list); -+ list_replace_rcu(&fold->list, &fnew->list); - - *arg = (unsigned long)fnew; - -diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c -index c244c45b..4169e55 100644 ---- a/net/sched/sch_fq_codel.c -+++ b/net/sched/sch_fq_codel.c -@@ -162,14 +162,23 @@ static unsigned int fq_codel_drop(struct Qdisc *sch) - skb = dequeue_head(flow); - len = qdisc_pkt_len(skb); - q->backlogs[idx] -= len; -- kfree_skb(skb); - sch->q.qlen--; - qdisc_qstats_drop(sch); - qdisc_qstats_backlog_dec(sch, skb); -+ kfree_skb(skb); - flow->dropped++; - return idx; - } - -+static unsigned int fq_codel_qdisc_drop(struct Qdisc *sch) -+{ -+ unsigned int prev_backlog; -+ -+ prev_backlog = sch->qstats.backlog; -+ fq_codel_drop(sch); -+ return prev_backlog - sch->qstats.backlog; -+} -+ - static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch) - { - struct fq_codel_sched_data *q = qdisc_priv(sch); -@@ -598,7 +607,7 @@ static struct Qdisc_ops fq_codel_qdisc_ops __read_mostly = { - .enqueue = fq_codel_enqueue, - .dequeue = fq_codel_dequeue, - .peek = qdisc_peek_dequeued, -- .drop = fq_codel_drop, -+ .drop = fq_codel_qdisc_drop, - .init = fq_codel_init, - .reset = fq_codel_reset, - .destroy = fq_codel_destroy, -diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c -index 6efca30..1259f82 100644 ---- a/net/sched/sch_generic.c -+++ b/net/sched/sch_generic.c -@@ -349,7 +349,7 @@ void netif_carrier_on(struct net_device *dev) - if (test_and_clear_bit(__LINK_STATE_NOCARRIER, &dev->state)) { - if (dev->reg_state == NETREG_UNINITIALIZED) - return; -- atomic_inc(&dev->carrier_changes); -+ atomic_inc_unchecked(&dev->carrier_changes); - linkwatch_fire_event(dev); - if (netif_running(dev)) - __netdev_watchdog_up(dev); -@@ -368,7 +368,7 @@ void netif_carrier_off(struct net_device *dev) - if (!test_and_set_bit(__LINK_STATE_NOCARRIER, &dev->state)) { - if (dev->reg_state == NETREG_UNINITIALIZED) - return; -- atomic_inc(&dev->carrier_changes); -+ atomic_inc_unchecked(&dev->carrier_changes); - linkwatch_fire_event(dev); - } - } -diff --git a/net/sched/sch_sfq.c b/net/sched/sch_sfq.c -index b877140..0f65ba4 100644 ---- a/net/sched/sch_sfq.c -+++ b/net/sched/sch_sfq.c -@@ -329,10 +329,10 @@ drop: - len = qdisc_pkt_len(skb); - slot->backlog -= len; - sfq_dec(q, x); -- kfree_skb(skb); - sch->q.qlen--; - qdisc_qstats_drop(sch); - qdisc_qstats_backlog_dec(sch, skb); -+ kfree_skb(skb); - return len; - } - -diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c -index 0e4198e..f94193e 100644 ---- a/net/sctp/ipv6.c -+++ b/net/sctp/ipv6.c -@@ -972,7 +972,7 @@ static const struct inet6_protocol sctpv6_protocol = { - .flags = INET6_PROTO_NOPOLICY | INET6_PROTO_FINAL, - }; - --static struct sctp_af sctp_af_inet6 = { -+static struct sctp_af sctp_af_inet6 __read_only = { - .sa_family = AF_INET6, - .sctp_xmit = sctp_v6_xmit, - .setsockopt = ipv6_setsockopt, -@@ -1002,7 +1002,7 @@ static struct sctp_af sctp_af_inet6 = { - #endif - }; - --static struct sctp_pf sctp_pf_inet6 = { -+static struct sctp_pf sctp_pf_inet6 __read_only = { - .event_msgname = sctp_inet6_event_msgname, - .skb_msgname = sctp_inet6_skb_msgname, - .af_supported = sctp_inet6_af_supported, -@@ -1029,7 +1029,7 @@ void sctp_v6_pf_init(void) - - void sctp_v6_pf_exit(void) - { -- list_del(&sctp_af_inet6.list); -+ pax_list_del(&sctp_af_inet6.list); - } - - /* Initialize IPv6 support and register with socket layer. */ -diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c -index 53b7acd..e7a0919 100644 ---- a/net/sctp/protocol.c -+++ b/net/sctp/protocol.c -@@ -836,8 +836,10 @@ int sctp_register_af(struct sctp_af *af) - return 0; - } - -+ pax_open_kernel(); - INIT_LIST_HEAD(&af->list); -- list_add_tail(&af->list, &sctp_address_families); -+ pax_close_kernel(); -+ pax_list_add_tail(&af->list, &sctp_address_families); - return 1; - } - -@@ -967,7 +969,7 @@ static inline int sctp_v4_xmit(struct sk_buff *skb, - - static struct sctp_af sctp_af_inet; - --static struct sctp_pf sctp_pf_inet = { -+static struct sctp_pf sctp_pf_inet __read_only = { - .event_msgname = sctp_inet_event_msgname, - .skb_msgname = sctp_inet_skb_msgname, - .af_supported = sctp_inet_af_supported, -@@ -1039,7 +1041,7 @@ static const struct net_protocol sctp_protocol = { - }; - - /* IPv4 address related functions. */ --static struct sctp_af sctp_af_inet = { -+static struct sctp_af sctp_af_inet __read_only = { - .sa_family = AF_INET, - .sctp_xmit = sctp_v4_xmit, - .setsockopt = ip_setsockopt, -@@ -1123,7 +1125,7 @@ static void sctp_v4_pf_init(void) - - static void sctp_v4_pf_exit(void) - { -- list_del(&sctp_af_inet.list); -+ pax_list_del(&sctp_af_inet.list); - } - - static int sctp_v4_protosw_init(void) -diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c -index fef2acd..c705c4f 100644 ---- a/net/sctp/sm_sideeffect.c -+++ b/net/sctp/sm_sideeffect.c -@@ -439,7 +439,7 @@ static void sctp_generate_sack_event(unsigned long data) - sctp_generate_timeout_event(asoc, SCTP_EVENT_TIMEOUT_SACK); - } - --sctp_timer_event_t *sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES] = { -+sctp_timer_event_t * const sctp_timer_events[SCTP_NUM_TIMEOUT_TYPES] = { - NULL, - sctp_generate_t1_cookie_event, - sctp_generate_t1_init_event, -diff --git a/net/sctp/socket.c b/net/sctp/socket.c -index 5f6c4e6..07880fe 100644 ---- a/net/sctp/socket.c -+++ b/net/sctp/socket.c -@@ -2200,11 +2200,13 @@ static int sctp_setsockopt_events(struct sock *sk, char __user *optval, - { - struct sctp_association *asoc; - struct sctp_ulpevent *event; -+ struct sctp_event_subscribe subscribe; - - if (optlen > sizeof(struct sctp_event_subscribe)) - return -EINVAL; -- if (copy_from_user(&sctp_sk(sk)->subscribe, optval, optlen)) -+ if (copy_from_user(&subscribe, optval, optlen)) - return -EFAULT; -+ sctp_sk(sk)->subscribe = subscribe; - - if (sctp_sk(sk)->subscribe.sctp_data_io_event) - pr_warn_ratelimited(DEPRECATED "%s (pid %d) " -@@ -4385,13 +4387,16 @@ static int sctp_getsockopt_disable_fragments(struct sock *sk, int len, - static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval, - int __user *optlen) - { -+ struct sctp_event_subscribe subscribe; -+ - if (len <= 0) - return -EINVAL; - if (len > sizeof(struct sctp_event_subscribe)) - len = sizeof(struct sctp_event_subscribe); - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, &sctp_sk(sk)->subscribe, len)) -+ subscribe = sctp_sk(sk)->subscribe; -+ if (copy_to_user(optval, &subscribe, len)) - return -EFAULT; - return 0; - } -@@ -4409,6 +4414,8 @@ static int sctp_getsockopt_events(struct sock *sk, int len, char __user *optval, - */ - static int sctp_getsockopt_autoclose(struct sock *sk, int len, char __user *optval, int __user *optlen) - { -+ __u32 autoclose; -+ - /* Applicable to UDP-style socket only */ - if (sctp_style(sk, TCP)) - return -EOPNOTSUPP; -@@ -4417,7 +4424,8 @@ static int sctp_getsockopt_autoclose(struct sock *sk, int len, char __user *optv - len = sizeof(int); - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, &sctp_sk(sk)->autoclose, sizeof(int))) -+ autoclose = sctp_sk(sk)->autoclose; -+ if (copy_to_user(optval, &autoclose, sizeof(int))) - return -EFAULT; - return 0; - } -@@ -4791,12 +4799,15 @@ static int sctp_getsockopt_delayed_ack(struct sock *sk, int len, - */ - static int sctp_getsockopt_initmsg(struct sock *sk, int len, char __user *optval, int __user *optlen) - { -+ struct sctp_initmsg initmsg; -+ - if (len < sizeof(struct sctp_initmsg)) - return -EINVAL; - len = sizeof(struct sctp_initmsg); - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, &sctp_sk(sk)->initmsg, len)) -+ initmsg = sctp_sk(sk)->initmsg; -+ if (copy_to_user(optval, &initmsg, len)) - return -EFAULT; - return 0; - } -@@ -4837,6 +4848,8 @@ static int sctp_getsockopt_peer_addrs(struct sock *sk, int len, - ->addr_to_user(sp, &temp); - if (space_left < addrlen) - return -ENOMEM; -+ if (addrlen > sizeof(temp) || addrlen < 0) -+ return -EFAULT; - if (copy_to_user(to, &temp, addrlen)) - return -EFAULT; - to += addrlen; -diff --git a/net/sctp/sysctl.c b/net/sctp/sysctl.c -index 26d50c5..dfae665 100644 ---- a/net/sctp/sysctl.c -+++ b/net/sctp/sysctl.c -@@ -317,7 +317,7 @@ static int proc_sctp_do_hmac_alg(struct ctl_table *ctl, int write, - loff_t *ppos) - { - struct net *net = current->nsproxy->net_ns; -- struct ctl_table tbl; -+ ctl_table_no_const tbl; - bool changed = false; - char *none = "none"; - char tmp[8]; -@@ -365,7 +365,7 @@ static int proc_sctp_do_rto_min(struct ctl_table *ctl, int write, - struct net *net = current->nsproxy->net_ns; - unsigned int min = *(unsigned int *) ctl->extra1; - unsigned int max = *(unsigned int *) ctl->extra2; -- struct ctl_table tbl; -+ ctl_table_no_const tbl; - int ret, new_value; - - memset(&tbl, 0, sizeof(struct ctl_table)); -@@ -394,7 +394,7 @@ static int proc_sctp_do_rto_max(struct ctl_table *ctl, int write, - struct net *net = current->nsproxy->net_ns; - unsigned int min = *(unsigned int *) ctl->extra1; - unsigned int max = *(unsigned int *) ctl->extra2; -- struct ctl_table tbl; -+ ctl_table_no_const tbl; - int ret, new_value; - - memset(&tbl, 0, sizeof(struct ctl_table)); -@@ -432,7 +432,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write, - loff_t *ppos) - { - struct net *net = current->nsproxy->net_ns; -- struct ctl_table tbl; -+ ctl_table_no_const tbl; - int new_value, ret; - - memset(&tbl, 0, sizeof(struct ctl_table)); -@@ -459,7 +459,7 @@ static int proc_sctp_do_auth(struct ctl_table *ctl, int write, - - int sctp_sysctl_net_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - int i; - - table = kmemdup(sctp_net_table, sizeof(sctp_net_table), GFP_KERNEL); -diff --git a/net/socket.c b/net/socket.c -index 884e329..def6df6 100644 ---- a/net/socket.c -+++ b/net/socket.c -@@ -89,6 +89,7 @@ - #include <linux/magic.h> - #include <linux/slab.h> - #include <linux/xattr.h> -+#include <linux/in.h> - - #include <asm/uaccess.h> - #include <asm/unistd.h> -@@ -107,6 +108,7 @@ - #include <linux/atalk.h> - #include <net/busy_poll.h> - #include <linux/errqueue.h> -+#include <linux/grsock.h> - - #ifdef CONFIG_NET_RX_BUSY_POLL - unsigned int sysctl_net_busy_read __read_mostly; -@@ -160,7 +162,7 @@ static const struct file_operations socket_file_ops = { - */ - - static DEFINE_SPINLOCK(net_family_lock); --static const struct net_proto_family __rcu *net_families[NPROTO] __read_mostly; -+const struct net_proto_family __rcu *net_families[NPROTO] __read_mostly; - - /* - * Statistics counters of the socket lists -@@ -326,7 +328,7 @@ static struct dentry *sockfs_mount(struct file_system_type *fs_type, - &sockfs_dentry_operations, SOCKFS_MAGIC); - } - --static struct vfsmount *sock_mnt __read_mostly; -+struct vfsmount *sock_mnt __read_mostly; - - static struct file_system_type sock_fs_type = { - .name = "sockfs", -@@ -1108,6 +1110,8 @@ int __sock_create(struct net *net, int family, int type, int protocol, - return -EAFNOSUPPORT; - if (type < 0 || type >= SOCK_MAX) - return -EINVAL; -+ if (protocol < 0) -+ return -EINVAL; - - /* Compatibility. - -@@ -1128,6 +1132,20 @@ int __sock_create(struct net *net, int family, int type, int protocol, - if (err) - return err; - -+ if(!kern && !gr_search_socket(family, type, protocol)) { -+ if (rcu_access_pointer(net_families[family]) == NULL) -+ return -EAFNOSUPPORT; -+ else -+ return -EACCES; -+ } -+ -+ if (!kern && gr_handle_sock_all(family, type, protocol)) { -+ if (rcu_access_pointer(net_families[family]) == NULL) -+ return -EAFNOSUPPORT; -+ else -+ return -EACCES; -+ } -+ - /* - * Allocate the socket and allow the family to set things up. if - * the protocol is 0, the family is instructed to select an appropriate -@@ -1379,6 +1397,14 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen) - if (sock) { - err = move_addr_to_kernel(umyaddr, addrlen, &address); - if (err >= 0) { -+ if (gr_handle_sock_server((struct sockaddr *)&address)) { -+ err = -EACCES; -+ goto error; -+ } -+ err = gr_search_bind(sock, (struct sockaddr_in *)&address); -+ if (err) -+ goto error; -+ - err = security_socket_bind(sock, - (struct sockaddr *)&address, - addrlen); -@@ -1387,6 +1413,7 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen) - (struct sockaddr *) - &address, addrlen); - } -+error: - fput_light(sock->file, fput_needed); - } - return err; -@@ -1410,10 +1437,20 @@ SYSCALL_DEFINE2(listen, int, fd, int, backlog) - if ((unsigned int)backlog > somaxconn) - backlog = somaxconn; - -+ if (gr_handle_sock_server_other(sock->sk)) { -+ err = -EPERM; -+ goto error; -+ } -+ -+ err = gr_search_listen(sock); -+ if (err) -+ goto error; -+ - err = security_socket_listen(sock, backlog); - if (!err) - err = sock->ops->listen(sock, backlog); - -+error: - fput_light(sock->file, fput_needed); - } - return err; -@@ -1457,6 +1494,18 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr, - newsock->type = sock->type; - newsock->ops = sock->ops; - -+ if (gr_handle_sock_server_other(sock->sk)) { -+ err = -EPERM; -+ sock_release(newsock); -+ goto out_put; -+ } -+ -+ err = gr_search_accept(sock); -+ if (err) { -+ sock_release(newsock); -+ goto out_put; -+ } -+ - /* - * We don't need try_module_get here, as the listening socket (sock) - * has the protocol module (sock->ops->owner) held. -@@ -1502,6 +1551,8 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr, - fd_install(newfd, newfile); - err = newfd; - -+ gr_attach_curr_ip(newsock->sk); -+ - out_put: - fput_light(sock->file, fput_needed); - out: -@@ -1534,6 +1585,7 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr, - int, addrlen) - { - struct socket *sock; -+ struct sockaddr *sck; - struct sockaddr_storage address; - int err, fput_needed; - -@@ -1544,6 +1596,17 @@ SYSCALL_DEFINE3(connect, int, fd, struct sockaddr __user *, uservaddr, - if (err < 0) - goto out_put; - -+ sck = (struct sockaddr *)&address; -+ -+ if (gr_handle_sock_client(sck)) { -+ err = -EACCES; -+ goto out_put; -+ } -+ -+ err = gr_search_connect(sock, (struct sockaddr_in *)sck); -+ if (err) -+ goto out_put; -+ - err = - security_socket_connect(sock, (struct sockaddr *)&address, addrlen); - if (err) -@@ -1625,6 +1688,8 @@ SYSCALL_DEFINE3(getpeername, int, fd, struct sockaddr __user *, usockaddr, - * the protocol. - */ - -+asmlinkage long sys_sendto(int, void __user *, size_t, unsigned, struct sockaddr __user *, int); -+ - SYSCALL_DEFINE6(sendto, int, fd, void __user *, buff, size_t, len, - unsigned int, flags, struct sockaddr __user *, addr, - int, addr_len) -@@ -1688,7 +1753,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size, - struct socket *sock; - struct iovec iov; - struct msghdr msg; -- struct sockaddr_storage address; -+ struct sockaddr_storage address = { }; - int err, err2; - int fput_needed; - -@@ -1930,7 +1995,7 @@ static int ___sys_sendmsg(struct socket *sock, struct user_msghdr __user *msg, - * checking falls down on this. - */ - if (copy_from_user(ctl_buf, -- (void __user __force *)msg_sys->msg_control, -+ (void __force_user *)msg_sys->msg_control, - ctl_len)) - goto out_freectl; - msg_sys->msg_control = ctl_buf; -@@ -2080,7 +2145,7 @@ static int ___sys_recvmsg(struct socket *sock, struct user_msghdr __user *msg, - ssize_t err; - - /* kernel mode address */ -- struct sockaddr_storage addr; -+ struct sockaddr_storage addr = { }; - - /* user mode address pointers */ - struct sockaddr __user *uaddr; -@@ -2725,7 +2790,7 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32) - ifr = compat_alloc_user_space(buf_size); - rxnfc = (void __user *)ifr + ALIGN(sizeof(struct ifreq), 8); - -- if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ)) -+ if (copy_in_user(ifr->ifr_name, ifr32->ifr_name, IFNAMSIZ)) - return -EFAULT; - - if (put_user(convert_in ? rxnfc : compat_ptr(data), -@@ -2836,7 +2901,7 @@ static int bond_ioctl(struct net *net, unsigned int cmd, - old_fs = get_fs(); - set_fs(KERNEL_DS); - err = dev_ioctl(net, cmd, -- (struct ifreq __user __force *) &kifr); -+ (struct ifreq __force_user *) &kifr); - set_fs(old_fs); - - return err; -@@ -2929,7 +2994,7 @@ static int compat_sioc_ifmap(struct net *net, unsigned int cmd, - - old_fs = get_fs(); - set_fs(KERNEL_DS); -- err = dev_ioctl(net, cmd, (void __user __force *)&ifr); -+ err = dev_ioctl(net, cmd, (void __force_user *)&ifr); - set_fs(old_fs); - - if (cmd == SIOCGIFMAP && !err) { -@@ -3013,7 +3078,7 @@ static int routing_ioctl(struct net *net, struct socket *sock, - ret |= get_user(rtdev, &(ur4->rt_dev)); - if (rtdev) { - ret |= copy_from_user(devname, compat_ptr(rtdev), 15); -- r4.rt_dev = (char __user __force *)devname; -+ r4.rt_dev = (char __force_user *)devname; - devname[15] = 0; - } else - r4.rt_dev = NULL; -@@ -3240,8 +3305,8 @@ int kernel_getsockopt(struct socket *sock, int level, int optname, - int __user *uoptlen; - int err; - -- uoptval = (char __user __force *) optval; -- uoptlen = (int __user __force *) optlen; -+ uoptval = (char __force_user *) optval; -+ uoptlen = (int __force_user *) optlen; - - set_fs(KERNEL_DS); - if (level == SOL_SOCKET) -@@ -3261,7 +3326,7 @@ int kernel_setsockopt(struct socket *sock, int level, int optname, - char __user *uoptval; - int err; - -- uoptval = (char __user __force *) optval; -+ uoptval = (char __force_user *) optval; - - set_fs(KERNEL_DS); - if (level == SOL_SOCKET) -diff --git a/net/sunrpc/auth_gss/svcauth_gss.c b/net/sunrpc/auth_gss/svcauth_gss.c -index 1095be9..815d777 100644 ---- a/net/sunrpc/auth_gss/svcauth_gss.c -+++ b/net/sunrpc/auth_gss/svcauth_gss.c -@@ -1142,7 +1142,7 @@ static int gss_proxy_save_rsc(struct cache_detail *cd, - uint64_t *handle) - { - struct rsc rsci, *rscp = NULL; -- static atomic64_t ctxhctr; -+ static atomic64_unchecked_t ctxhctr = ATOMIC64_INIT(0); - long long ctxh; - struct gss_api_mech *gm = NULL; - time_t expiry; -@@ -1153,7 +1153,7 @@ static int gss_proxy_save_rsc(struct cache_detail *cd, - status = -ENOMEM; - /* the handle needs to be just a unique id, - * use a static counter */ -- ctxh = atomic64_inc_return(&ctxhctr); -+ ctxh = atomic64_inc_return_unchecked(&ctxhctr); - - /* make a copy for the caller */ - *handle = ctxh; -diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c -index 2928aff..6f9efeb 100644 ---- a/net/sunrpc/cache.c -+++ b/net/sunrpc/cache.c -@@ -1597,7 +1597,7 @@ static int create_cache_proc_entries(struct cache_detail *cd, struct net *net) - struct sunrpc_net *sn; - - sn = net_generic(net, sunrpc_net_id); -- cd->u.procfs.proc_ent = proc_mkdir(cd->name, sn->proc_net_rpc); -+ cd->u.procfs.proc_ent = proc_mkdir_restrict(cd->name, sn->proc_net_rpc); - if (cd->u.procfs.proc_ent == NULL) - goto out_nomem; - cd->u.procfs.channel_ent = NULL; -diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c -index e6ce151..ba1cf85 100644 ---- a/net/sunrpc/clnt.c -+++ b/net/sunrpc/clnt.c -@@ -1436,7 +1436,9 @@ call_start(struct rpc_task *task) - (RPC_IS_ASYNC(task) ? "async" : "sync")); - - /* Increment call count */ -- task->tk_msg.rpc_proc->p_count++; -+ pax_open_kernel(); -+ (*(unsigned int *)&task->tk_msg.rpc_proc->p_count)++; -+ pax_close_kernel(); - clnt->cl_stats->rpccnt++; - task->tk_action = call_reserve; - } -diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c -index 337ca85..42feae8 100644 ---- a/net/sunrpc/sched.c -+++ b/net/sunrpc/sched.c -@@ -261,9 +261,9 @@ static int rpc_wait_bit_killable(struct wait_bit_key *key) - #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) || IS_ENABLED(CONFIG_TRACEPOINTS) - static void rpc_task_set_debuginfo(struct rpc_task *task) - { -- static atomic_t rpc_pid; -+ static atomic_unchecked_t rpc_pid; - -- task->tk_pid = atomic_inc_return(&rpc_pid); -+ task->tk_pid = atomic_inc_return_unchecked(&rpc_pid); - } - #else - static inline void rpc_task_set_debuginfo(struct rpc_task *task) -diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c -index 2ecb994..5afb49f 100644 ---- a/net/sunrpc/stats.c -+++ b/net/sunrpc/stats.c -@@ -290,7 +290,7 @@ int rpc_proc_init(struct net *net) - - dprintk("RPC: registering /proc/net/rpc\n"); - sn = net_generic(net, sunrpc_net_id); -- sn->proc_net_rpc = proc_mkdir("rpc", net->proc_net); -+ sn->proc_net_rpc = proc_mkdir_restrict("rpc", net->proc_net); - if (sn->proc_net_rpc == NULL) - return -ENOMEM; - -diff --git a/net/sunrpc/svc.c b/net/sunrpc/svc.c -index 78974e4..1e0d1a5 100644 ---- a/net/sunrpc/svc.c -+++ b/net/sunrpc/svc.c -@@ -1169,7 +1169,9 @@ svc_process_common(struct svc_rqst *rqstp, struct kvec *argv, struct kvec *resv) - svc_putnl(resv, RPC_SUCCESS); - - /* Bump per-procedure stats counter */ -- procp->pc_count++; -+ pax_open_kernel(); -+ (*(unsigned int *)&procp->pc_count)++; -+ pax_close_kernel(); - - /* Initialize storage for argp and resp */ - memset(rqstp->rq_argp, 0, procp->pc_argsize); -diff --git a/net/sunrpc/svcauth_unix.c b/net/sunrpc/svcauth_unix.c -index 621ca7b..59421dd 100644 ---- a/net/sunrpc/svcauth_unix.c -+++ b/net/sunrpc/svcauth_unix.c -@@ -414,7 +414,7 @@ struct unix_gid { - struct group_info *gi; - }; - --static int unix_gid_hash(kuid_t uid) -+static int __intentional_overflow(-1) unix_gid_hash(kuid_t uid) - { - return hash_long(from_kuid(&init_user_ns, uid), GID_HASHBITS); - } -@@ -470,7 +470,7 @@ static void unix_gid_request(struct cache_detail *cd, - (*bpp)[-1] = '\n'; - } - --static struct unix_gid *unix_gid_lookup(struct cache_detail *cd, kuid_t uid); -+static struct unix_gid * __intentional_overflow(-1) unix_gid_lookup(struct cache_detail *cd, kuid_t uid); - - static int unix_gid_parse(struct cache_detail *cd, - char *mesg, int mlen) -diff --git a/net/sunrpc/xprtrdma/svc_rdma.c b/net/sunrpc/xprtrdma/svc_rdma.c -index c1b6270..05089c1 100644 ---- a/net/sunrpc/xprtrdma/svc_rdma.c -+++ b/net/sunrpc/xprtrdma/svc_rdma.c -@@ -62,15 +62,15 @@ unsigned int svcrdma_max_req_size = RPCRDMA_MAX_REQ_SIZE; - static unsigned int min_max_inline = 4096; - static unsigned int max_max_inline = 65536; - --atomic_t rdma_stat_recv; --atomic_t rdma_stat_read; --atomic_t rdma_stat_write; --atomic_t rdma_stat_sq_starve; --atomic_t rdma_stat_rq_starve; --atomic_t rdma_stat_rq_poll; --atomic_t rdma_stat_rq_prod; --atomic_t rdma_stat_sq_poll; --atomic_t rdma_stat_sq_prod; -+atomic_unchecked_t rdma_stat_recv; -+atomic_unchecked_t rdma_stat_read; -+atomic_unchecked_t rdma_stat_write; -+atomic_unchecked_t rdma_stat_sq_starve; -+atomic_unchecked_t rdma_stat_rq_starve; -+atomic_unchecked_t rdma_stat_rq_poll; -+atomic_unchecked_t rdma_stat_rq_prod; -+atomic_unchecked_t rdma_stat_sq_poll; -+atomic_unchecked_t rdma_stat_sq_prod; - - /* Temporary NFS request map and context caches */ - struct kmem_cache *svc_rdma_map_cachep; -@@ -110,7 +110,7 @@ static int read_reset_stat(struct ctl_table *table, int write, - len -= *ppos; - if (len > *lenp) - len = *lenp; -- if (len && copy_to_user(buffer, str_buf, len)) -+ if (len > sizeof str_buf || (len && copy_to_user(buffer, str_buf, len))) - return -EFAULT; - *lenp = len; - *ppos += len; -@@ -151,63 +151,63 @@ static struct ctl_table svcrdma_parm_table[] = { - { - .procname = "rdma_stat_read", - .data = &rdma_stat_read, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_recv", - .data = &rdma_stat_recv, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_write", - .data = &rdma_stat_write, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_sq_starve", - .data = &rdma_stat_sq_starve, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_rq_starve", - .data = &rdma_stat_rq_starve, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_rq_poll", - .data = &rdma_stat_rq_poll, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_rq_prod", - .data = &rdma_stat_rq_prod, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_sq_poll", - .data = &rdma_stat_sq_poll, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_sq_prod", - .data = &rdma_stat_sq_prod, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, -diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c -index f9f13a3..d155c71 100644 ---- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c -+++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c -@@ -209,7 +209,7 @@ int rdma_read_chunk_lcl(struct svcxprt_rdma *xprt, - *page_no = pg_no; - *page_offset = pg_off; - ret = read; -- atomic_inc(&rdma_stat_read); -+ atomic_inc_unchecked(&rdma_stat_read); - return ret; - err: - svc_rdma_unmap_dma(ctxt); -@@ -345,7 +345,7 @@ int rdma_read_chunk_frmr(struct svcxprt_rdma *xprt, - *page_no = pg_no; - *page_offset = pg_off; - ret = read; -- atomic_inc(&rdma_stat_read); -+ atomic_inc_unchecked(&rdma_stat_read); - return ret; - err: - svc_rdma_unmap_dma(ctxt); -@@ -599,7 +599,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp) - dto_q); - list_del_init(&ctxt->dto_q); - } else { -- atomic_inc(&rdma_stat_rq_starve); -+ atomic_inc_unchecked(&rdma_stat_rq_starve); - clear_bit(XPT_DATA, &xprt->xpt_flags); - ctxt = NULL; - } -@@ -617,7 +617,7 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp) - } - dprintk("svcrdma: processing ctxt=%p on xprt=%p, rqstp=%p, status=%d\n", - ctxt, rdma_xprt, rqstp, ctxt->wc_status); -- atomic_inc(&rdma_stat_recv); -+ atomic_inc_unchecked(&rdma_stat_recv); - - /* Build up the XDR from the receive buffers. */ - rdma_build_arg_xdr(rqstp, ctxt, ctxt->byte_len); -diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c -index 7de33d1a..7f10241 100644 ---- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c -+++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c -@@ -218,7 +218,7 @@ static int send_write(struct svcxprt_rdma *xprt, struct svc_rqst *rqstp, - write_wr.wr.rdma.remote_addr = to; - - /* Post It */ -- atomic_inc(&rdma_stat_write); -+ atomic_inc_unchecked(&rdma_stat_write); - if (svc_rdma_send(xprt, &write_wr)) - goto err; - return write_len - bc; -diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c -index f609c1c..abd491f 100644 ---- a/net/sunrpc/xprtrdma/svc_rdma_transport.c -+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c -@@ -294,7 +294,7 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt) - return; - - ib_req_notify_cq(xprt->sc_rq_cq, IB_CQ_NEXT_COMP); -- atomic_inc(&rdma_stat_rq_poll); -+ atomic_inc_unchecked(&rdma_stat_rq_poll); - - while ((ret = ib_poll_cq(xprt->sc_rq_cq, 1, &wc)) > 0) { - ctxt = (struct svc_rdma_op_ctxt *)(unsigned long)wc.wr_id; -@@ -316,7 +316,7 @@ static void rq_cq_reap(struct svcxprt_rdma *xprt) - } - - if (ctxt) -- atomic_inc(&rdma_stat_rq_prod); -+ atomic_inc_unchecked(&rdma_stat_rq_prod); - - set_bit(XPT_DATA, &xprt->sc_xprt.xpt_flags); - /* -@@ -395,7 +395,7 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt) - return; - - ib_req_notify_cq(xprt->sc_sq_cq, IB_CQ_NEXT_COMP); -- atomic_inc(&rdma_stat_sq_poll); -+ atomic_inc_unchecked(&rdma_stat_sq_poll); - while ((ret = ib_poll_cq(cq, ARRAY_SIZE(wc_a), wc_a)) > 0) { - int i; - -@@ -423,7 +423,7 @@ static void sq_cq_reap(struct svcxprt_rdma *xprt) - } - - if (ctxt) -- atomic_inc(&rdma_stat_sq_prod); -+ atomic_inc_unchecked(&rdma_stat_sq_prod); - } - - static void sq_comp_handler(struct ib_cq *cq, void *cq_context) -@@ -1275,7 +1275,7 @@ int svc_rdma_send(struct svcxprt_rdma *xprt, struct ib_send_wr *wr) - spin_lock_bh(&xprt->sc_lock); - if (xprt->sc_sq_depth < atomic_read(&xprt->sc_sq_count) + wr_count) { - spin_unlock_bh(&xprt->sc_lock); -- atomic_inc(&rdma_stat_sq_starve); -+ atomic_inc_unchecked(&rdma_stat_sq_starve); - - /* See if we can opportunistically reap SQ WR to make room */ - sq_cq_reap(xprt); -diff --git a/net/sysctl_net.c b/net/sysctl_net.c -index e7000be..e3b0ba7 100644 ---- a/net/sysctl_net.c -+++ b/net/sysctl_net.c -@@ -46,7 +46,7 @@ static int net_ctl_permissions(struct ctl_table_header *head, - kgid_t root_gid = make_kgid(net->user_ns, 0); - - /* Allow network administrator to have same access as root. */ -- if (ns_capable(net->user_ns, CAP_NET_ADMIN) || -+ if (ns_capable_nolog(net->user_ns, CAP_NET_ADMIN) || - uid_eq(root_uid, current_euid())) { - int mode = (table->mode >> 6) & 7; - return (mode << 6) | (mode << 3) | mode; -diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c -index ce9121e..fd1fcce 100644 ---- a/net/tipc/netlink_compat.c -+++ b/net/tipc/netlink_compat.c -@@ -64,12 +64,12 @@ struct tipc_nl_compat_cmd_dump { - int (*header)(struct tipc_nl_compat_msg *); - int (*dumpit)(struct sk_buff *, struct netlink_callback *); - int (*format)(struct tipc_nl_compat_msg *msg, struct nlattr **attrs); --}; -+} __no_const; - - struct tipc_nl_compat_cmd_doit { - int (*doit)(struct sk_buff *skb, struct genl_info *info); - int (*transcode)(struct sk_buff *skb, struct tipc_nl_compat_msg *msg); --}; -+} __no_const; - - static int tipc_skb_tailroom(struct sk_buff *skb) - { -@@ -746,7 +746,10 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock) - void *hdr; - struct nlattr *nest; - struct sk_buff *args; -- struct tipc_nl_compat_cmd_dump dump; -+ static struct tipc_nl_compat_cmd_dump dump = { -+ .dumpit = tipc_nl_publ_dump, -+ .format = __tipc_nl_compat_publ_dump, -+ }; - - args = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); - if (!args) -@@ -769,9 +772,6 @@ static int tipc_nl_compat_publ_dump(struct tipc_nl_compat_msg *msg, u32 sock) - nla_nest_end(args, nest); - genlmsg_end(args, hdr); - -- dump.dumpit = tipc_nl_publ_dump; -- dump.format = __tipc_nl_compat_publ_dump; -- - err = __tipc_nl_compat_dumpit(&dump, msg, args); - - kfree_skb(args); -diff --git a/net/tipc/socket.c b/net/tipc/socket.c -index f485600..20cc6df 100644 ---- a/net/tipc/socket.c -+++ b/net/tipc/socket.c -@@ -2009,6 +2009,7 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags) - res = tipc_sk_create(sock_net(sock->sk), new_sock, 0, 1); - if (res) - goto exit; -+ security_sk_clone(sock->sk, new_sock->sk); - - new_sk = new_sock->sk; - new_tsock = tipc_sk(new_sk); -diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c -index 1c147c8..50d7957 100644 ---- a/net/tipc/subscr.c -+++ b/net/tipc/subscr.c -@@ -70,7 +70,7 @@ static void subscr_send_event(struct tipc_subscription *sub, u32 found_lower, - struct tipc_subscriber *subscriber = sub->subscriber; - struct kvec msg_sect; - -- msg_sect.iov_base = (void *)&sub->evt; -+ msg_sect.iov_base = &sub->evt; - msg_sect.iov_len = sizeof(struct tipc_event); - sub->evt.event = htohl(event, sub->swap); - sub->evt.found_lower = htohl(found_lower, sub->swap); -diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c -index 0643059..4628deb 100644 ---- a/net/unix/af_unix.c -+++ b/net/unix/af_unix.c -@@ -786,6 +786,12 @@ static struct sock *unix_find_other(struct net *net, - err = -ECONNREFUSED; - if (!S_ISSOCK(inode->i_mode)) - goto put_fail; -+ -+ if (!gr_acl_handle_unix(path.dentry, path.mnt)) { -+ err = -EACCES; -+ goto put_fail; -+ } -+ - u = unix_find_socket_byinode(inode); - if (!u) - goto put_fail; -@@ -806,6 +812,13 @@ static struct sock *unix_find_other(struct net *net, - if (u) { - struct dentry *dentry; - dentry = unix_sk(u)->path.dentry; -+ -+ if (!gr_handle_chroot_unix(pid_vnr(u->sk_peer_pid))) { -+ err = -EPERM; -+ sock_put(u); -+ goto fail; -+ } -+ - if (dentry) - touch_atime(&unix_sk(u)->path); - } else -@@ -839,12 +852,18 @@ static int unix_mknod(const char *sun_path, umode_t mode, struct path *res) - */ - err = security_path_mknod(&path, dentry, mode, 0); - if (!err) { -+ if (!gr_acl_handle_mknod(dentry, path.dentry, path.mnt, mode)) { -+ err = -EACCES; -+ goto out; -+ } - err = vfs_mknod(d_inode(path.dentry), dentry, mode, 0); - if (!err) { - res->mnt = mntget(path.mnt); - res->dentry = dget(dentry); -+ gr_handle_create(dentry, path.mnt); - } - } -+out: - done_path_create(&path, dentry); - return err; - } -@@ -2233,11 +2252,14 @@ static unsigned int unix_dgram_poll(struct file *file, struct socket *sock, - writable = unix_writable(sk); - other = unix_peer_get(sk); - if (other) { -- if (unix_peer(other) != sk) { -+ unix_state_lock(other); -+ if (!sock_flag(other, SOCK_DEAD) && unix_peer(other) != sk) { -+ unix_state_unlock(other); - sock_poll_wait(file, &unix_sk(other)->peer_wait, wait); - if (unix_recvq_full(other)) - writable = 0; -- } -+ } else -+ unix_state_unlock(other); - sock_put(other); - } - -@@ -2334,9 +2356,13 @@ static int unix_seq_show(struct seq_file *seq, void *v) - seq_puts(seq, "Num RefCount Protocol Flags Type St " - "Inode Path\n"); - else { -- struct sock *s = v; -+ struct sock *s = v, *peer; - struct unix_sock *u = unix_sk(s); - unix_state_lock(s); -+ peer = unix_peer(s); -+ unix_state_unlock(s); -+ -+ unix_state_double_lock(s, peer); - - seq_printf(seq, "%pK: %08X %08X %08X %04X %02X %5lu", - s, -@@ -2361,10 +2387,29 @@ static int unix_seq_show(struct seq_file *seq, void *v) - seq_putc(seq, '@'); - i++; - } -- for ( ; i < len; i++) -- seq_putc(seq, u->addr->name->sun_path[i]); -- } -- unix_state_unlock(s); -+ for ( ; i < len; i++) { -+ char c = u->addr->name->sun_path[i]; -+ switch (c) { -+ case '\n': -+ seq_putc(seq, '\'); -+ seq_putc(seq, 'n'); -+ break; -+ case '\t': -+ seq_putc(seq, '\'); -+ seq_putc(seq, 't'); -+ break; -+ case '\': -+ seq_putc(seq, '\'); -+ seq_putc(seq, '\'); -+ break; -+ default: -+ seq_putc(seq, c); -+ } -+ } -+ } else if (peer) -+ seq_printf(seq, " P%lu", sock_i_ino(peer)); -+ -+ unix_state_double_unlock(s, peer); - seq_putc(seq, '\n'); - } - -diff --git a/net/unix/sysctl_net_unix.c b/net/unix/sysctl_net_unix.c -index b3d5150..ff3a837 100644 ---- a/net/unix/sysctl_net_unix.c -+++ b/net/unix/sysctl_net_unix.c -@@ -28,7 +28,7 @@ static struct ctl_table unix_table[] = { - - int __net_init unix_sysctl_register(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - table = kmemdup(unix_table, sizeof(unix_table), GFP_KERNEL); - if (table == NULL) -diff --git a/net/vmw_vsock/vmci_transport_notify.c b/net/vmw_vsock/vmci_transport_notify.c -index 9b7f207..2596621 100644 ---- a/net/vmw_vsock/vmci_transport_notify.c -+++ b/net/vmw_vsock/vmci_transport_notify.c -@@ -662,19 +662,19 @@ static void vmci_transport_notify_pkt_process_negotiate(struct sock *sk) - - /* Socket control packet based operations. */ - struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops = { -- vmci_transport_notify_pkt_socket_init, -- vmci_transport_notify_pkt_socket_destruct, -- vmci_transport_notify_pkt_poll_in, -- vmci_transport_notify_pkt_poll_out, -- vmci_transport_notify_pkt_handle_pkt, -- vmci_transport_notify_pkt_recv_init, -- vmci_transport_notify_pkt_recv_pre_block, -- vmci_transport_notify_pkt_recv_pre_dequeue, -- vmci_transport_notify_pkt_recv_post_dequeue, -- vmci_transport_notify_pkt_send_init, -- vmci_transport_notify_pkt_send_pre_block, -- vmci_transport_notify_pkt_send_pre_enqueue, -- vmci_transport_notify_pkt_send_post_enqueue, -- vmci_transport_notify_pkt_process_request, -- vmci_transport_notify_pkt_process_negotiate, -+ .socket_init = vmci_transport_notify_pkt_socket_init, -+ .socket_destruct = vmci_transport_notify_pkt_socket_destruct, -+ .poll_in = vmci_transport_notify_pkt_poll_in, -+ .poll_out = vmci_transport_notify_pkt_poll_out, -+ .handle_notify_pkt = vmci_transport_notify_pkt_handle_pkt, -+ .recv_init = vmci_transport_notify_pkt_recv_init, -+ .recv_pre_block = vmci_transport_notify_pkt_recv_pre_block, -+ .recv_pre_dequeue = vmci_transport_notify_pkt_recv_pre_dequeue, -+ .recv_post_dequeue = vmci_transport_notify_pkt_recv_post_dequeue, -+ .send_init = vmci_transport_notify_pkt_send_init, -+ .send_pre_block = vmci_transport_notify_pkt_send_pre_block, -+ .send_pre_enqueue = vmci_transport_notify_pkt_send_pre_enqueue, -+ .send_post_enqueue = vmci_transport_notify_pkt_send_post_enqueue, -+ .process_request = vmci_transport_notify_pkt_process_request, -+ .process_negotiate = vmci_transport_notify_pkt_process_negotiate, - }; -diff --git a/net/vmw_vsock/vmci_transport_notify_qstate.c b/net/vmw_vsock/vmci_transport_notify_qstate.c -index dc9c792..3089de0 100644 ---- a/net/vmw_vsock/vmci_transport_notify_qstate.c -+++ b/net/vmw_vsock/vmci_transport_notify_qstate.c -@@ -420,19 +420,19 @@ vmci_transport_notify_pkt_send_pre_enqueue( - - /* Socket always on control packet based operations. */ - struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops = { -- vmci_transport_notify_pkt_socket_init, -- vmci_transport_notify_pkt_socket_destruct, -- vmci_transport_notify_pkt_poll_in, -- vmci_transport_notify_pkt_poll_out, -- vmci_transport_notify_pkt_handle_pkt, -- vmci_transport_notify_pkt_recv_init, -- vmci_transport_notify_pkt_recv_pre_block, -- vmci_transport_notify_pkt_recv_pre_dequeue, -- vmci_transport_notify_pkt_recv_post_dequeue, -- vmci_transport_notify_pkt_send_init, -- vmci_transport_notify_pkt_send_pre_block, -- vmci_transport_notify_pkt_send_pre_enqueue, -- vmci_transport_notify_pkt_send_post_enqueue, -- vmci_transport_notify_pkt_process_request, -- vmci_transport_notify_pkt_process_negotiate, -+ .socket_init = vmci_transport_notify_pkt_socket_init, -+ .socket_destruct = vmci_transport_notify_pkt_socket_destruct, -+ .poll_in = vmci_transport_notify_pkt_poll_in, -+ .poll_out = vmci_transport_notify_pkt_poll_out, -+ .handle_notify_pkt = vmci_transport_notify_pkt_handle_pkt, -+ .recv_init = vmci_transport_notify_pkt_recv_init, -+ .recv_pre_block = vmci_transport_notify_pkt_recv_pre_block, -+ .recv_pre_dequeue = vmci_transport_notify_pkt_recv_pre_dequeue, -+ .recv_post_dequeue = vmci_transport_notify_pkt_recv_post_dequeue, -+ .send_init = vmci_transport_notify_pkt_send_init, -+ .send_pre_block = vmci_transport_notify_pkt_send_pre_block, -+ .send_pre_enqueue = vmci_transport_notify_pkt_send_pre_enqueue, -+ .send_post_enqueue = vmci_transport_notify_pkt_send_post_enqueue, -+ .process_request = vmci_transport_notify_pkt_process_request, -+ .process_negotiate = vmci_transport_notify_pkt_process_negotiate, - }; -diff --git a/net/wireless/wext-core.c b/net/wireless/wext-core.c -index c8717c1..08539f5 100644 ---- a/net/wireless/wext-core.c -+++ b/net/wireless/wext-core.c -@@ -748,8 +748,7 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd, - */ - - /* Support for very large requests */ -- if ((descr->flags & IW_DESCR_FLAG_NOMAX) && -- (user_length > descr->max_tokens)) { -+ if (user_length > descr->max_tokens) { - /* Allow userspace to GET more than max so - * we can support any size GET requests. - * There is still a limit : -ENOMEM. -@@ -788,22 +787,6 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd, - } - } - -- if (IW_IS_GET(cmd) && !(descr->flags & IW_DESCR_FLAG_NOMAX)) { -- /* -- * If this is a GET, but not NOMAX, it means that the extra -- * data is not bounded by userspace, but by max_tokens. Thus -- * set the length to max_tokens. This matches the extra data -- * allocation. -- * The driver should fill it with the number of tokens it -- * provided, and it may check iwp->length rather than having -- * knowledge of max_tokens. If the driver doesn't change the -- * iwp->length, this ioctl just copies back max_token tokens -- * filled with zeroes. Hopefully the driver isn't claiming -- * them to be valid data. -- */ -- iwp->length = descr->max_tokens; -- } -- - err = handler(dev, info, (union iwreq_data *) iwp, extra); - - iwp->length += essid_compat; -diff --git a/net/x25/sysctl_net_x25.c b/net/x25/sysctl_net_x25.c -index 4323952..a06dfe1 100644 ---- a/net/x25/sysctl_net_x25.c -+++ b/net/x25/sysctl_net_x25.c -@@ -70,7 +70,7 @@ static struct ctl_table x25_table[] = { - .mode = 0644, - .proc_handler = proc_dointvec, - }, -- { 0, }, -+ { }, - }; - - void __init x25_register_sysctl(void) -diff --git a/net/x25/x25_proc.c b/net/x25/x25_proc.c -index 0917f04..f4e3d8c 100644 ---- a/net/x25/x25_proc.c -+++ b/net/x25/x25_proc.c -@@ -209,7 +209,7 @@ static const struct file_operations x25_seq_forward_fops = { - - int __init x25_proc_init(void) - { -- if (!proc_mkdir("x25", init_net.proc_net)) -+ if (!proc_mkdir_restrict("x25", init_net.proc_net)) - return -ENOMEM; - - if (!proc_create("x25/route", S_IRUGO, init_net.proc_net, -diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c -index 638af06..7d9daad 100644 ---- a/net/xfrm/xfrm_policy.c -+++ b/net/xfrm/xfrm_policy.c -@@ -331,7 +331,7 @@ static void xfrm_policy_kill(struct xfrm_policy *policy) - { - policy->walk.dead = 1; - -- atomic_inc(&policy->genid); -+ atomic_inc_unchecked(&policy->genid); - - if (del_timer(&policy->polq.hold_timer)) - xfrm_pol_put(policy); -@@ -781,7 +781,7 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl) - else - hlist_add_head(&policy->bydst, chain); - __xfrm_policy_link(policy, dir); -- atomic_inc(&net->xfrm.flow_cache_genid); -+ atomic_inc_unchecked(&net->xfrm.flow_cache_genid); - - /* After previous checking, family can either be AF_INET or AF_INET6 */ - if (policy->family == AF_INET) -@@ -1877,7 +1877,7 @@ xfrm_resolve_and_create_bundle(struct xfrm_policy **pols, int num_pols, - - xdst->num_pols = num_pols; - memcpy(xdst->pols, pols, sizeof(struct xfrm_policy *) * num_pols); -- xdst->policy_genid = atomic_read(&pols[0]->genid); -+ xdst->policy_genid = atomic_read_unchecked(&pols[0]->genid); - - return xdst; - } -@@ -2690,10 +2690,11 @@ void xfrm_garbage_collect(struct net *net) - } - EXPORT_SYMBOL(xfrm_garbage_collect); - --static void xfrm_garbage_collect_deferred(struct net *net) -+void xfrm_garbage_collect_deferred(struct net *net) - { - flow_cache_flush_deferred(net); - } -+EXPORT_SYMBOL(xfrm_garbage_collect_deferred); - - static void xfrm_init_pmtu(struct dst_entry *dst) - { -@@ -2743,7 +2744,7 @@ static int xfrm_bundle_ok(struct xfrm_dst *first) - if (xdst->xfrm_genid != dst->xfrm->genid) - return 0; - if (xdst->num_pols > 0 && -- xdst->policy_genid != atomic_read(&xdst->pols[0]->genid)) -+ xdst->policy_genid != atomic_read_unchecked(&xdst->pols[0]->genid)) - return 0; - - mtu = dst_mtu(dst->child); -@@ -2831,8 +2832,6 @@ int xfrm_policy_register_afinfo(struct xfrm_policy_afinfo *afinfo) - dst_ops->link_failure = xfrm_link_failure; - if (likely(dst_ops->neigh_lookup == NULL)) - dst_ops->neigh_lookup = xfrm_neigh_lookup; -- if (likely(afinfo->garbage_collect == NULL)) -- afinfo->garbage_collect = xfrm_garbage_collect_deferred; - rcu_assign_pointer(xfrm_policy_afinfo[afinfo->family], afinfo); - } - spin_unlock(&xfrm_policy_afinfo_lock); -@@ -2886,7 +2885,6 @@ int xfrm_policy_unregister_afinfo(struct xfrm_policy_afinfo *afinfo) - dst_ops->check = NULL; - dst_ops->negative_advice = NULL; - dst_ops->link_failure = NULL; -- afinfo->garbage_collect = NULL; - } - return err; - } -@@ -3283,7 +3281,7 @@ static int xfrm_policy_migrate(struct xfrm_policy *pol, - sizeof(pol->xfrm_vec[i].saddr)); - pol->xfrm_vec[i].encap_family = mp->new_family; - /* flush bundles */ -- atomic_inc(&pol->genid); -+ atomic_inc_unchecked(&pol->genid); - } - } - -diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c -index 96688cd..e68a2eb 100644 ---- a/net/xfrm/xfrm_state.c -+++ b/net/xfrm/xfrm_state.c -@@ -166,12 +166,14 @@ int xfrm_register_type(const struct xfrm_type *type, unsigned short family) - - if (unlikely(afinfo == NULL)) - return -EAFNOSUPPORT; -- typemap = afinfo->type_map; -+ typemap = (const struct xfrm_type **)afinfo->type_map; - spin_lock_bh(&xfrm_type_lock); - -- if (likely(typemap[type->proto] == NULL)) -+ if (likely(typemap[type->proto] == NULL)) { -+ pax_open_kernel(); - typemap[type->proto] = type; -- else -+ pax_close_kernel(); -+ } else - err = -EEXIST; - spin_unlock_bh(&xfrm_type_lock); - xfrm_state_put_afinfo(afinfo); -@@ -187,13 +189,16 @@ int xfrm_unregister_type(const struct xfrm_type *type, unsigned short family) - - if (unlikely(afinfo == NULL)) - return -EAFNOSUPPORT; -- typemap = afinfo->type_map; -+ typemap = (const struct xfrm_type **)afinfo->type_map; - spin_lock_bh(&xfrm_type_lock); - - if (unlikely(typemap[type->proto] != type)) - err = -ENOENT; -- else -+ else { -+ pax_open_kernel(); - typemap[type->proto] = NULL; -+ pax_close_kernel(); -+ } - spin_unlock_bh(&xfrm_type_lock); - xfrm_state_put_afinfo(afinfo); - return err; -@@ -203,7 +208,6 @@ EXPORT_SYMBOL(xfrm_unregister_type); - static const struct xfrm_type *xfrm_get_type(u8 proto, unsigned short family) - { - struct xfrm_state_afinfo *afinfo; -- const struct xfrm_type **typemap; - const struct xfrm_type *type; - int modload_attempted = 0; - -@@ -211,9 +215,8 @@ retry: - afinfo = xfrm_state_get_afinfo(family); - if (unlikely(afinfo == NULL)) - return NULL; -- typemap = afinfo->type_map; - -- type = typemap[proto]; -+ type = afinfo->type_map[proto]; - if (unlikely(type && !try_module_get(type->owner))) - type = NULL; - if (!type && !modload_attempted) { -@@ -247,7 +250,7 @@ int xfrm_register_mode(struct xfrm_mode *mode, int family) - return -EAFNOSUPPORT; - - err = -EEXIST; -- modemap = afinfo->mode_map; -+ modemap = (struct xfrm_mode **)afinfo->mode_map; - spin_lock_bh(&xfrm_mode_lock); - if (modemap[mode->encap]) - goto out; -@@ -256,8 +259,10 @@ int xfrm_register_mode(struct xfrm_mode *mode, int family) - if (!try_module_get(afinfo->owner)) - goto out; - -- mode->afinfo = afinfo; -+ pax_open_kernel(); -+ *(const void **)&mode->afinfo = afinfo; - modemap[mode->encap] = mode; -+ pax_close_kernel(); - err = 0; - - out: -@@ -281,10 +286,12 @@ int xfrm_unregister_mode(struct xfrm_mode *mode, int family) - return -EAFNOSUPPORT; - - err = -ENOENT; -- modemap = afinfo->mode_map; -+ modemap = (struct xfrm_mode **)afinfo->mode_map; - spin_lock_bh(&xfrm_mode_lock); - if (likely(modemap[mode->encap] == mode)) { -+ pax_open_kernel(); - modemap[mode->encap] = NULL; -+ pax_close_kernel(); - module_put(mode->afinfo->owner); - err = 0; - } -@@ -1505,10 +1512,10 @@ EXPORT_SYMBOL(xfrm_find_acq_byseq); - u32 xfrm_get_acqseq(void) - { - u32 res; -- static atomic_t acqseq; -+ static atomic_unchecked_t acqseq; - - do { -- res = atomic_inc_return(&acqseq); -+ res = atomic_inc_return_unchecked(&acqseq); - } while (!res); - - return res; -diff --git a/net/xfrm/xfrm_sysctl.c b/net/xfrm/xfrm_sysctl.c -index 05a6e3d..6716ec9 100644 ---- a/net/xfrm/xfrm_sysctl.c -+++ b/net/xfrm/xfrm_sysctl.c -@@ -42,7 +42,7 @@ static struct ctl_table xfrm_table[] = { - - int __net_init xfrm_sysctl_init(struct net *net) - { -- struct ctl_table *table; -+ ctl_table_no_const *table; - - __xfrm_sysctl_init(net); - -diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include -index d3437b8..6c3becb 100644 ---- a/scripts/Kbuild.include -+++ b/scripts/Kbuild.include -@@ -142,7 +142,7 @@ cc-ifversion = $(shell [ $(cc-version) $(1) $(2) ] && echo $(3) || echo $(4)) - # cc-ldoption - # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both) - cc-ldoption = $(call try-run,\ -- $(CC) $(1) -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2)) -+ $(CC) $(1) -Wl,-r -nostdlib -x c /dev/null -o "$$TMP",$(1),$(2)) - - # ld-option - # Usage: LDFLAGS += $(call ld-option, -X) -diff --git a/scripts/Makefile.build b/scripts/Makefile.build -index 01df30a..b687dbf 100644 ---- a/scripts/Makefile.build -+++ b/scripts/Makefile.build -@@ -60,7 +60,7 @@ endif - endif - - # Do not include host rules unless needed --ifneq ($(hostprogs-y)$(hostprogs-m),) -+ifneq ($(hostprogs-y)$(hostprogs-m)$(hostlibs-y)$(hostlibs-m)$(hostcxxlibs-y)$(hostcxxlibs-m),) - include scripts/Makefile.host - endif - -diff --git a/scripts/Makefile.clean b/scripts/Makefile.clean -index 55c96cb..e4e88ab 100644 ---- a/scripts/Makefile.clean -+++ b/scripts/Makefile.clean -@@ -38,7 +38,8 @@ subdir-ymn := $(addprefix $(obj)/,$(subdir-ymn)) - __clean-files := $(extra-y) $(extra-m) $(extra-) \ - $(always) $(targets) $(clean-files) \ - $(host-progs) \ -- $(hostprogs-y) $(hostprogs-m) $(hostprogs-) -+ $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ -+ $(hostlibs-y) $(hostlibs-m) $(hostlibs-) - - __clean-files := $(filter-out $(no-clean-files), $(__clean-files)) - -diff --git a/scripts/Makefile.host b/scripts/Makefile.host -index 133edfa..c9aa07f 100644 ---- a/scripts/Makefile.host -+++ b/scripts/Makefile.host -@@ -20,7 +20,19 @@ - # Will compile qconf as a C++ program, and menu as a C program. - # They are linked as C++ code to the executable qconf - -+# hostprogs-y := conf -+# conf-objs := conf.o libkconfig.so -+# libkconfig-objs := expr.o type.o -+# Will create a shared library named libkconfig.so that consists of -+# expr.o and type.o (they are both compiled as C code and the object files -+# are made as position independent code). -+# conf.c is compiled as a C program, and conf.o is linked together with -+# libkconfig.so as the executable conf. -+# Note: Shared libraries consisting of C++ files are not supported -+ - __hostprogs := $(sort $(hostprogs-y) $(hostprogs-m)) -+__hostlibs := $(sort $(hostlibs-y) $(hostlibs-m)) -+__hostcxxlibs := $(sort $(hostcxxlibs-y) $(hostcxxlibs-m)) - - # C code - # Executables compiled from a single .c file -@@ -42,6 +54,19 @@ host-cxxmulti := $(foreach m,$(__hostprogs),$(if $($(m)-cxxobjs),$(m))) - # C++ Object (.o) files compiled from .cc files - host-cxxobjs := $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs))) - -+# Shared libaries (only .c supported) -+# Shared libraries (.so) - all .so files referenced in "xxx-objs" -+host-cshlib := $(sort $(filter %.so, $(host-cobjs))) -+host-cshlib += $(sort $(filter %.so, $(__hostlibs))) -+host-cxxshlib := $(sort $(filter %.so, $(__hostcxxlibs))) -+# Remove .so files from "xxx-objs" -+host-cobjs := $(filter-out %.so,$(host-cobjs)) -+host-cxxobjs := $(filter-out %.so,$(host-cxxobjs)) -+ -+# Object (.o) files used by the shared libaries -+host-cshobjs := $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs)))) -+host-cxxshobjs := $(sort $(foreach m,$(host-cxxshlib),$($(m:.so=-objs)))) -+ - # output directory for programs/.o files - # hostprogs-y := tools/build may have been specified. - # Retrieve also directory of .o files from prog-objs or prog-cxxobjs notation -@@ -56,6 +81,10 @@ host-cmulti := $(addprefix $(obj)/,$(host-cmulti)) - host-cobjs := $(addprefix $(obj)/,$(host-cobjs)) - host-cxxmulti := $(addprefix $(obj)/,$(host-cxxmulti)) - host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs)) -+host-cshlib := $(addprefix $(obj)/,$(host-cshlib)) -+host-cxxshlib := $(addprefix $(obj)/,$(host-cxxshlib)) -+host-cshobjs := $(addprefix $(obj)/,$(host-cshobjs)) -+host-cxxshobjs := $(addprefix $(obj)/,$(host-cxxshobjs)) - host-objdirs := $(addprefix $(obj)/,$(host-objdirs)) - - obj-dirs += $(host-objdirs) -@@ -124,5 +153,37 @@ quiet_cmd_host-cxxobjs = HOSTCXX $@ - $(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE - $(call if_changed_dep,host-cxxobjs) - -+# Compile .c file, create position independent .o file -+# host-cshobjs -> .o -+quiet_cmd_host-cshobjs = HOSTCC -fPIC $@ -+ cmd_host-cshobjs = $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $< -+$(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE -+ $(call if_changed_dep,host-cshobjs) -+ -+# Compile .c file, create position independent .o file -+# host-cxxshobjs -> .o -+quiet_cmd_host-cxxshobjs = HOSTCXX -fPIC $@ -+ cmd_host-cxxshobjs = $(HOSTCXX) $(hostcxx_flags) -fPIC -c -o $@ $< -+$(host-cxxshobjs): $(obj)/%.o: $(src)/%.c FORCE -+ $(call if_changed_dep,host-cxxshobjs) -+ -+# Link a shared library, based on position independent .o files -+# *.o -> .so shared library (host-cshlib) -+quiet_cmd_host-cshlib = HOSTLLD -shared $@ -+ cmd_host-cshlib = $(HOSTCC) $(HOSTLDFLAGS) -shared -o $@ \ -+ $(addprefix $(obj)/,$($(@F:.so=-objs))) \ -+ $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F)) -+$(host-cshlib): $(obj)/%: $(host-cshobjs) FORCE -+ $(call if_changed,host-cshlib) -+ -+# Link a shared library, based on position independent .o files -+# *.o -> .so shared library (host-cxxshlib) -+quiet_cmd_host-cxxshlib = HOSTLLD -shared $@ -+ cmd_host-cxxshlib = $(HOSTCXX) $(HOSTLDFLAGS) -shared -o $@ \ -+ $(addprefix $(obj)/,$($(@F:.so=-objs))) \ -+ $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F)) -+$(host-cxxshlib): $(obj)/%: $(host-cxxshobjs) FORCE -+ $(call if_changed,host-cxxshlib) -+ - targets += $(host-csingle) $(host-cmulti) $(host-cobjs)\ -- $(host-cxxmulti) $(host-cxxobjs) -+ $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs) $(host-cxxshlib) $(host-cxxshobjs) -diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c -index b304068..462d24e 100644 ---- a/scripts/basic/fixdep.c -+++ b/scripts/basic/fixdep.c -@@ -161,7 +161,7 @@ static unsigned int strhash(const char *str, unsigned int sz) - /* - * Lookup a value in the configuration string. - */ --static int is_defined_config(const char *name, int len, unsigned int hash) -+static int is_defined_config(const char *name, unsigned int len, unsigned int hash) - { - struct item *aux; - -@@ -211,10 +211,10 @@ static void clear_config(void) - /* - * Record the use of a CONFIG_* word. - */ --static void use_config(const char *m, int slen) -+static void use_config(const char *m, unsigned int slen) - { - unsigned int hash = strhash(m, slen); -- int c, i; -+ unsigned int c, i; - - if (is_defined_config(m, slen, hash)) - return; -@@ -235,9 +235,9 @@ static void use_config(const char *m, int slen) - - static void parse_config_file(const char *map, size_t len) - { -- const int *end = (const int *) (map + len); -+ const unsigned int *end = (const unsigned int *) (map + len); - /* start at +1, so that p can never be < map */ -- const int *m = (const int *) map + 1; -+ const unsigned int *m = (const unsigned int *) map + 1; - const char *p, *q; - - for (; m < end; m++) { -@@ -435,7 +435,7 @@ static void print_deps(void) - static void traps(void) - { - static char test[] __attribute__((aligned(sizeof(int)))) = "CONF"; -- int *p = (int *)test; -+ unsigned int *p = (unsigned int *)test; - - if (*p != INT_CONF) { - fprintf(stderr, "fixdep: sizeof(int) != 4 or wrong endianness? %#x\n", -diff --git a/scripts/gcc-plugin.sh b/scripts/gcc-plugin.sh -new file mode 100644 -index 0000000..eaa4fce ---- /dev/null -+++ b/scripts/gcc-plugin.sh -@@ -0,0 +1,51 @@ -+#!/bin/sh -+srctree=$(dirname "$0") -+gccplugins_dir=$($3 -print-file-name=plugin) -+plugincc=$($1 -E -x c++ - -o /dev/null -I"${srctree}"/../tools/gcc -I"${gccplugins_dir}"/include 2>&1 <<EOF -+#include "gcc-common.h" -+#if BUILDING_GCC_VERSION >= 4008 || defined(ENABLE_BUILD_WITH_CXX) -+#warning $2 CXX -+#else -+#warning $1 CC -+#endif -+EOF -+) -+ -+if [ $? -ne 0 ] -+then -+ exit 1 -+fi -+ -+case "$plugincc" in -+ *"$1 CC"*) -+ echo "$1" -+ exit 0 -+ ;; -+ -+ *"$2 CXX"*) -+ # the c++ compiler needs another test, see below -+ ;; -+ -+ *) -+ exit 1 -+ ;; -+esac -+ -+# we need a c++ compiler that supports the designated initializer GNU extension -+plugincc=$($2 -c -x c++ -std=gnu++98 - -fsyntax-only -I"${srctree}"/../tools/gcc -I"${gccplugins_dir}"/include 2>&1 <<EOF -+#include "gcc-common.h" -+class test { -+public: -+ int test; -+} test = { -+ .test = 1 -+}; -+EOF -+) -+ -+if [ $? -eq 0 ] -+then -+ echo "$2" -+ exit 0 -+fi -+exit 1 -diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh -index fdebd66..a349e33 100755 ---- a/scripts/headers_install.sh -+++ b/scripts/headers_install.sh -@@ -32,6 +32,7 @@ do - FILE="$(basename "$i")" - sed -r \ - -e 's/([ \t(])(__user|__force|__iomem)[ \t]/\1/g' \ -+ -e 's/__intentional_overflow([- \t,0-9]*)//g' \ - -e 's/__attribute_const__([ \t]|$)/\1/g' \ - -e 's@^#include <linux/compiler.h>@@' \ - -e 's/(^|[^a-zA-Z0-9])__packed([^a-zA-Z0-9_]|$)/\1__attribute__((packed))\2/g' \ -diff --git a/scripts/link-vmlinux.sh b/scripts/link-vmlinux.sh -index 86a4fe7..99e91f9 100755 ---- a/scripts/link-vmlinux.sh -+++ b/scripts/link-vmlinux.sh -@@ -166,7 +166,7 @@ else - fi; - - # final build of init/ --${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init -+${MAKE} -f "${srctree}/scripts/Makefile.build" obj=init GCC_PLUGINS_CFLAGS="${GCC_PLUGINS_CFLAGS}" GCC_PLUGINS_AFLAGS="${GCC_PLUGINS_AFLAGS}" - - kallsymso="" - kallsyms_vmlinux="" -diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c -index 78691d5..56972f2 100644 ---- a/scripts/mod/file2alias.c -+++ b/scripts/mod/file2alias.c -@@ -142,7 +142,7 @@ static void device_id_check(const char *modname, const char *device_id, - unsigned long size, unsigned long id_size, - void *symval) - { -- int i; -+ unsigned int i; - - if (size % id_size || size < id_size) { - fatal("%s: sizeof(struct %s_device_id)=%lu is not a modulo " -@@ -171,7 +171,7 @@ static void device_id_check(const char *modname, const char *device_id, - /* USB is special because the bcdDevice can be matched against a numeric range */ - /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipNinN" */ - static void do_usb_entry(void *symval, -- unsigned int bcdDevice_initial, int bcdDevice_initial_digits, -+ unsigned int bcdDevice_initial, unsigned int bcdDevice_initial_digits, - unsigned char range_lo, unsigned char range_hi, - unsigned char max, struct module *mod) - { -@@ -281,7 +281,7 @@ static void do_usb_entry_multi(void *symval, struct module *mod) - { - unsigned int devlo, devhi; - unsigned char chi, clo, max; -- int ndigits; -+ unsigned int ndigits; - - DEF_FIELD(symval, usb_device_id, match_flags); - DEF_FIELD(symval, usb_device_id, idVendor); -@@ -534,7 +534,7 @@ static void do_pnp_device_entry(void *symval, unsigned long size, - for (i = 0; i < count; i++) { - DEF_FIELD_ADDR(symval + i*id_size, pnp_device_id, id); - char acpi_id[sizeof(*id)]; -- int j; -+ unsigned int j; - - buf_printf(&mod->dev_table_buf, - "MODULE_ALIAS("pnp:d%s*");\n", *id); -@@ -563,7 +563,7 @@ static void do_pnp_card_entries(void *symval, unsigned long size, - - for (j = 0; j < PNP_MAX_DEVICES; j++) { - const char *id = (char *)(*devs)[j].id; -- int i2, j2; -+ unsigned int i2, j2; - int dup = 0; - - if (!id[0]) -@@ -589,7 +589,7 @@ static void do_pnp_card_entries(void *symval, unsigned long size, - /* add an individual alias for every device entry */ - if (!dup) { - char acpi_id[PNP_ID_LEN]; -- int k; -+ unsigned int k; - - buf_printf(&mod->dev_table_buf, - "MODULE_ALIAS("pnp:d%s*");\n", id); -@@ -939,7 +939,7 @@ static void dmi_ascii_filter(char *d, const char *s) - static int do_dmi_entry(const char *filename, void *symval, - char *alias) - { -- int i, j; -+ unsigned int i, j; - DEF_FIELD_ADDR(symval, dmi_system_id, matches); - sprintf(alias, "dmi*"); - -diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c -index 91ee1b2..c9cf01a 100644 ---- a/scripts/mod/modpost.c -+++ b/scripts/mod/modpost.c -@@ -942,6 +942,7 @@ enum mismatch { - ANY_EXIT_TO_ANY_INIT, - EXPORT_TO_INIT_EXIT, - EXTABLE_TO_NON_TEXT, -+ DATA_TO_TEXT - }; - - /** -@@ -1068,6 +1069,12 @@ static const struct sectioncheck sectioncheck[] = { - .good_tosec = {ALL_TEXT_SECTIONS , NULL}, - .mismatch = EXTABLE_TO_NON_TEXT, - .handler = extable_mismatch_handler, -+}, -+/* Do not reference code from writable data */ -+{ -+ .fromsec = { DATA_SECTIONS, NULL }, -+ .bad_tosec = { ALL_TEXT_SECTIONS, NULL }, -+ .mismatch = DATA_TO_TEXT - } - }; - -@@ -1217,10 +1224,10 @@ static Elf_Sym *find_elf_symbol(struct elf_info *elf, Elf64_Sword addr, - continue; - if (ELF_ST_TYPE(sym->st_info) == STT_SECTION) - continue; -- if (sym->st_value == addr) -- return sym; - /* Find a symbol nearby - addr are maybe negative */ - d = sym->st_value - addr; -+ if (d == 0) -+ return sym; - if (d < 0) - d = addr - sym->st_value; - if (d < distance) { -@@ -1503,6 +1510,14 @@ static void report_sec_mismatch(const char *modname, - fatal("There's a special handler for this mismatch type, " - "we should never get here."); - break; -+ case DATA_TO_TEXT: -+#if 0 -+ fprintf(stderr, -+ "The %s %s:%s references\n" -+ "the %s %s:%s%s\n", -+ from, fromsec, fromsym, to, tosec, tosym, to_p); -+#endif -+ break; - } - fprintf(stderr, "\n"); - } -@@ -1892,7 +1907,7 @@ static void section_rel(const char *modname, struct elf_info *elf, - static void check_sec_ref(struct module *mod, const char *modname, - struct elf_info *elf) - { -- int i; -+ unsigned int i; - Elf_Shdr *sechdrs = elf->sechdrs; - - /* Walk through all sections */ -@@ -2023,7 +2038,7 @@ void __attribute__((format(printf, 2, 3))) buf_printf(struct buffer *buf, - va_end(ap); - } - --void buf_write(struct buffer *buf, const char *s, int len) -+void buf_write(struct buffer *buf, const char *s, unsigned int len) - { - if (buf->size - buf->pos < len) { - buf->size += len + SZ; -@@ -2242,7 +2257,7 @@ static void write_if_changed(struct buffer *b, const char *fname) - if (fstat(fileno(file), &st) < 0) - goto close_write; - -- if (st.st_size != b->pos) -+ if (st.st_size != (off_t)b->pos) - goto close_write; - - tmp = NOFAIL(malloc(b->pos)); -diff --git a/scripts/mod/modpost.h b/scripts/mod/modpost.h -index 168b43d..77914bf 100644 ---- a/scripts/mod/modpost.h -+++ b/scripts/mod/modpost.h -@@ -92,15 +92,15 @@ void *do_nofail(void *ptr, const char *expr); - - struct buffer { - char *p; -- int pos; -- int size; -+ unsigned int pos; -+ unsigned int size; - }; - - void __attribute__((format(printf, 2, 3))) - buf_printf(struct buffer *buf, const char *fmt, ...); - - void --buf_write(struct buffer *buf, const char *s, int len); -+buf_write(struct buffer *buf, const char *s, unsigned int len); - - struct module { - struct module *next; -diff --git a/scripts/mod/sumversion.c b/scripts/mod/sumversion.c -index 944418d..15291e4 100644 ---- a/scripts/mod/sumversion.c -+++ b/scripts/mod/sumversion.c -@@ -470,7 +470,7 @@ static void write_version(const char *filename, const char *sum, - goto out; - } - -- if (write(fd, sum, strlen(sum)+1) != strlen(sum)+1) { -+ if (write(fd, sum, strlen(sum)+1) != (ssize_t)strlen(sum)+1) { - warn("writing sum in %s failed: %s\n", - filename, strerror(errno)); - goto out; -diff --git a/scripts/module-common.lds b/scripts/module-common.lds -index 73a2c7d..df11b31 100644 ---- a/scripts/module-common.lds -+++ b/scripts/module-common.lds -@@ -6,6 +6,10 @@ - SECTIONS { - /DISCARD/ : { *(.discard) } - -+ .rodata 0: { -+ *(.rodata) *(.rodata.*) -+ *(.data..read_only) -+ } - __ksymtab 0 : { *(SORT(___ksymtab+*)) } - __ksymtab_gpl 0 : { *(SORT(___ksymtab_gpl+*)) } - __ksymtab_unused 0 : { *(SORT(___ksymtab_unused+*)) } -diff --git a/scripts/package/Makefile b/scripts/package/Makefile -index 99ca6e7..3a1a1a1 100644 ---- a/scripts/package/Makefile -+++ b/scripts/package/Makefile -@@ -46,7 +46,7 @@ rpm-pkg rpm: FORCE - ln -sf $(srctree) $(KERNELPATH) - $(CONFIG_SHELL) $(MKSPEC) >$(objtree)/kernel.spec - $(CONFIG_SHELL) $(srctree)/scripts/setlocalversion --save-scmversion -- tar -cz $(RCS_TAR_IGNORE) -f $(KERNELPATH).tar.gz $(TAR_CONTENT) -+ tar --owner=root --group=root -cz $(RCS_TAR_IGNORE) -f $(KERNELPATH).tar.gz $(TAR_CONTENT) - rm $(KERNELPATH) - rm -f $(objtree)/.scmversion - $(CONFIG_SHELL) $(srctree)/scripts/mkversion > $(objtree)/.tmp_version -diff --git a/scripts/package/builddeb b/scripts/package/builddeb -index 88dbf23..d1b4291 100755 ---- a/scripts/package/builddeb -+++ b/scripts/package/builddeb -@@ -304,6 +304,7 @@ fi - (cd $srctree; find arch/$SRCARCH -name module.lds -o -name Kbuild.platforms -o -name Platform) >> "$objtree/debian/hdrsrcfiles" - (cd $srctree; find $(find arch/$SRCARCH -name include -o -name scripts -type d) -type f) >> "$objtree/debian/hdrsrcfiles" - (cd $objtree; find arch/$SRCARCH/include Module.symvers include scripts -type f) >> "$objtree/debian/hdrobjfiles" -+(cd $objtree; find tools/gcc -name *.so >> "$objtree/debian/hdrobjfiles") - destdir=$kernel_headers_dir/usr/src/linux-headers-$version - mkdir -p "$destdir" - (cd $srctree; tar -c -f - -T -) < "$objtree/debian/hdrsrcfiles" | (cd $destdir; tar -xf -) -diff --git a/scripts/package/mkspec b/scripts/package/mkspec -index d9ab94b..eb7f04c 100755 ---- a/scripts/package/mkspec -+++ b/scripts/package/mkspec -@@ -122,30 +122,41 @@ echo 'rm -f $RPM_BUILD_ROOT'"/lib/modules/$KERNELRELEASE/{build,source}" - echo "mkdir -p "'$RPM_BUILD_ROOT'"/usr/src/kernels/$KERNELRELEASE" - echo "EXCLUDES="$RCS_TAR_IGNORE --exclude .tmp_versions --exclude=*vmlinux* --exclude=*.o --exclude=*.ko --exclude=*.cmd --exclude=Documentation --exclude=firmware --exclude .config.old --exclude .missing-syscalls.d"" - echo "tar "'$EXCLUDES'" -cf- . | (cd "'$RPM_BUILD_ROOT'"/usr/src/kernels/$KERNELRELEASE;tar xvf -)" --echo 'cd $RPM_BUILD_ROOT'"/lib/modules/$KERNELRELEASE" --echo "ln -sf /usr/src/kernels/$KERNELRELEASE build" --echo "ln -sf /usr/src/kernels/$KERNELRELEASE source" - fi - - echo "" - echo "%clean" - echo 'rm -rf $RPM_BUILD_ROOT' - echo "" -+echo "%pre" -+echo 'chmod -f 0500 /boot' -+echo 'if [ -d /lib/modules ]; then' -+echo 'chmod -f 0500 /lib/modules' -+echo 'fi' -+echo 'if [ -d /lib32/modules ]; then' -+echo 'chmod -f 0500 /lib32/modules' -+echo 'fi' -+echo 'if [ -d /lib64/modules ]; then' -+echo 'chmod -f 0500 /lib64/modules' -+echo 'fi' -+echo "" -+echo "%post devel" -+echo "ln -sf /usr/src/kernels/$KERNELRELEASE /lib/modules/$KERNELRELEASE/build" -+echo "ln -sf /usr/src/kernels/$KERNELRELEASE /lib/modules/$KERNELRELEASE/source" -+echo "" - echo "%post" --echo "if [ -x /sbin/installkernel -a -r /boot/vmlinuz-$KERNELRELEASE -a -r /boot/System.map-$KERNELRELEASE ]; then" --echo "cp /boot/vmlinuz-$KERNELRELEASE /boot/vmlinuz-$KERNELRELEASE-rpm" --echo "cp /boot/System.map-$KERNELRELEASE /boot/System.map-$KERNELRELEASE-rpm" --echo "rm -f /boot/vmlinuz-$KERNELRELEASE /boot/System.map-$KERNELRELEASE" --echo "/sbin/installkernel $KERNELRELEASE /boot/vmlinuz-$KERNELRELEASE-rpm /boot/System.map-$KERNELRELEASE-rpm" --echo "rm -f /boot/vmlinuz-$KERNELRELEASE-rpm /boot/System.map-$KERNELRELEASE-rpm" -+echo "if [ -x /sbin/dracut ]; then" -+echo '/sbin/new-kernel-pkg --dracut --mkinitrd --depmod --install --make-default '"$KERNELRELEASE"' || exit $?' -+echo "else" -+echo '/sbin/new-kernel-pkg --mkinitrd --depmod --install --make-default '"$KERNELRELEASE"' || exit $?' - echo "fi" - echo "" - echo "%files" --echo '%defattr (-, root, root)' -+echo '%defattr (400, root, root, 500)' - echo "%dir /lib/modules" --echo "/lib/modules/$KERNELRELEASE" - echo "%exclude /lib/modules/$KERNELRELEASE/build" - echo "%exclude /lib/modules/$KERNELRELEASE/source" -+echo "/lib/modules/$KERNELRELEASE" - echo "/lib/firmware/$KERNELRELEASE" - echo "/boot/*" - echo "" -@@ -155,9 +166,8 @@ echo "/usr/include" - echo "" - if ! $PREBUILT; then - echo "%files devel" --echo '%defattr (-, root, root)' -+echo '%defattr (400, root, root, 500)' -+echo "%dir /lib/modules/$KERNELRELEASE" - echo "/usr/src/kernels/$KERNELRELEASE" --echo "/lib/modules/$KERNELRELEASE/build" --echo "/lib/modules/$KERNELRELEASE/source" - echo "" - fi -diff --git a/scripts/pnmtologo.c b/scripts/pnmtologo.c -index 4718d78..9220d58 100644 ---- a/scripts/pnmtologo.c -+++ b/scripts/pnmtologo.c -@@ -244,14 +244,14 @@ static void write_header(void) - fprintf(out, " * Linux logo %s\n", logoname); - fputs(" */\n\n", out); - fputs("#include <linux/linux_logo.h>\n\n", out); -- fprintf(out, "static unsigned char %s_data[] __initdata = {\n", -+ fprintf(out, "static unsigned char %s_data[] = {\n", - logoname); - } - - static void write_footer(void) - { - fputs("\n};\n\n", out); -- fprintf(out, "const struct linux_logo %s __initconst = {\n", logoname); -+ fprintf(out, "const struct linux_logo %s = {\n", logoname); - fprintf(out, "\t.type\t\t= %s,\n", logo_types[logo_type]); - fprintf(out, "\t.width\t\t= %d,\n", logo_width); - fprintf(out, "\t.height\t\t= %d,\n", logo_height); -@@ -381,7 +381,7 @@ static void write_logo_clut224(void) - fputs("\n};\n\n", out); - - /* write logo clut */ -- fprintf(out, "static unsigned char %s_clut[] __initdata = {\n", -+ fprintf(out, "static unsigned char %s_clut[] = {\n", - logoname); - write_hex_cnt = 0; - for (i = 0; i < logo_clutsize; i++) { -diff --git a/scripts/sortextable.h b/scripts/sortextable.h -index ba87004..3f4852c 100644 ---- a/scripts/sortextable.h -+++ b/scripts/sortextable.h -@@ -108,9 +108,9 @@ do_func(Elf_Ehdr *ehdr, char const *const fname, table_sort_t custom_sort) - const char *secstrtab; - const char *strtab; - char *extab_image; -- int extab_index = 0; -- int i; -- int idx; -+ unsigned int extab_index = 0; -+ unsigned int i; -+ unsigned int idx; - unsigned int num_sections; - unsigned int secindex_strings; - -diff --git a/scripts/tags.sh b/scripts/tags.sh -index cdb491d..8d32bfc 100755 ---- a/scripts/tags.sh -+++ b/scripts/tags.sh -@@ -26,7 +26,7 @@ else - fi - - # ignore userspace tools --ignore="$ignore ( -path ${tree}tools ) -prune -o" -+ignore="$ignore ( -path "${tree}tools/[^g]*" ) -prune -o" - - # Find all available archs - find_all_archs() -diff --git a/security/Kconfig b/security/Kconfig -index bf4ec46..1fa98bf 100644 ---- a/security/Kconfig -+++ b/security/Kconfig -@@ -4,6 +4,981 @@ - - menu "Security options" - -+menu "Grsecurity" -+ -+ config ARCH_TRACK_EXEC_LIMIT -+ bool -+ -+ config PAX_KERNEXEC_PLUGIN -+ bool -+ -+ config PAX_PER_CPU_PGD -+ bool -+ -+ config TASK_SIZE_MAX_SHIFT -+ int -+ depends on X86_64 -+ default 47 if !PAX_PER_CPU_PGD -+ default 42 if PAX_PER_CPU_PGD -+ -+ config PAX_ENABLE_PAE -+ bool -+ default y if (X86_32 && (MPENTIUM4 || MK8 || MPSC || MCORE2 || MATOM)) -+ -+ config PAX_USERCOPY_SLABS -+ bool -+ -+config GRKERNSEC -+ bool "Grsecurity" -+ select CRYPTO -+ select CRYPTO_SHA256 -+ select PROC_FS -+ select STOP_MACHINE -+ select TTY -+ select DEBUG_KERNEL -+ select DEBUG_LIST -+ select MULTIUSER -+ help -+ If you say Y here, you will be able to configure many features -+ that will enhance the security of your system. It is highly -+ recommended that you say Y here and read through the help -+ for each option so that you fully understand the features and -+ can evaluate their usefulness for your machine. -+ -+choice -+ prompt "Configuration Method" -+ depends on GRKERNSEC -+ default GRKERNSEC_CONFIG_CUSTOM -+ help -+ -+config GRKERNSEC_CONFIG_AUTO -+ bool "Automatic" -+ help -+ If you choose this configuration method, you'll be able to answer a small -+ number of simple questions about how you plan to use this kernel. -+ The settings of grsecurity and PaX will be automatically configured for -+ the highest commonly-used settings within the provided constraints. -+ -+ If you require additional configuration, custom changes can still be made -+ from the "custom configuration" menu. -+ -+config GRKERNSEC_CONFIG_CUSTOM -+ bool "Custom" -+ help -+ If you choose this configuration method, you'll be able to configure all -+ grsecurity and PaX settings manually. Via this method, no options are -+ automatically enabled. -+ -+ Take note that if menuconfig is exited with this configuration method -+ chosen, you will not be able to use the automatic configuration methods -+ without starting again with a kernel configuration with no grsecurity -+ or PaX options specified inside. -+ -+endchoice -+ -+choice -+ prompt "Usage Type" -+ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO) -+ default GRKERNSEC_CONFIG_SERVER -+ help -+ -+config GRKERNSEC_CONFIG_SERVER -+ bool "Server" -+ help -+ Choose this option if you plan to use this kernel on a server. -+ -+config GRKERNSEC_CONFIG_DESKTOP -+ bool "Desktop" -+ help -+ Choose this option if you plan to use this kernel on a desktop. -+ -+endchoice -+ -+choice -+ prompt "Virtualization Type" -+ depends on (GRKERNSEC && X86 && GRKERNSEC_CONFIG_AUTO) -+ default GRKERNSEC_CONFIG_VIRT_NONE -+ help -+ -+config GRKERNSEC_CONFIG_VIRT_NONE -+ bool "None" -+ help -+ Choose this option if this kernel will be run on bare metal. -+ -+config GRKERNSEC_CONFIG_VIRT_GUEST -+ bool "Guest" -+ help -+ Choose this option if this kernel will be run as a VM guest. -+ -+config GRKERNSEC_CONFIG_VIRT_HOST -+ bool "Host" -+ help -+ Choose this option if this kernel will be run as a VM host. -+ -+endchoice -+ -+choice -+ prompt "Virtualization Hardware" -+ depends on (GRKERNSEC && X86 && GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_GUEST || GRKERNSEC_CONFIG_VIRT_HOST)) -+ help -+ -+config GRKERNSEC_CONFIG_VIRT_EPT -+ bool "EPT/RVI Processor Support" -+ depends on X86 -+ help -+ Choose this option if your CPU supports the EPT or RVI features of 2nd-gen -+ hardware virtualization. This allows for additional kernel hardening protections -+ to operate without additional performance impact. -+ -+ To see if your Intel processor supports EPT, see: -+ http://ark.intel.com/Products/VirtualizationTechnology -+ (Most Core i3/5/7 support EPT) -+ -+ To see if your AMD processor supports RVI, see: -+ http://support.amd.com/us/kbarticles/Pages/GPU120AMDRVICPUsHyperVWin8.aspx -+ -+config GRKERNSEC_CONFIG_VIRT_SOFT -+ bool "First-gen/No Hardware Virtualization" -+ help -+ Choose this option if you use an Atom/Pentium/Core 2 processor that either doesn't -+ support hardware virtualization or doesn't support the EPT/RVI extensions. -+ -+endchoice -+ -+choice -+ prompt "Virtualization Software" -+ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO && (GRKERNSEC_CONFIG_VIRT_GUEST || GRKERNSEC_CONFIG_VIRT_HOST)) -+ help -+ -+config GRKERNSEC_CONFIG_VIRT_XEN -+ bool "Xen" -+ help -+ Choose this option if this kernel is running as a Xen guest or host. -+ -+config GRKERNSEC_CONFIG_VIRT_VMWARE -+ bool "VMWare" -+ help -+ Choose this option if this kernel is running as a VMWare guest or host. -+ -+config GRKERNSEC_CONFIG_VIRT_KVM -+ bool "KVM" -+ help -+ Choose this option if this kernel is running as a KVM guest or host. -+ -+config GRKERNSEC_CONFIG_VIRT_VIRTUALBOX -+ bool "VirtualBox" -+ help -+ Choose this option if this kernel is running as a VirtualBox guest or host. -+ -+config GRKERNSEC_CONFIG_VIRT_HYPERV -+ bool "Hyper-V" -+ help -+ Choose this option if this kernel is running as a Hyper-V guest. -+ -+endchoice -+ -+choice -+ prompt "Required Priorities" -+ depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO) -+ default GRKERNSEC_CONFIG_PRIORITY_PERF -+ help -+ -+config GRKERNSEC_CONFIG_PRIORITY_PERF -+ bool "Performance" -+ help -+ Choose this option if performance is of highest priority for this deployment -+ of grsecurity. Features like UDEREF on a 64bit kernel, kernel stack clearing, -+ clearing of structures intended for userland, and freed memory sanitizing will -+ be disabled. -+ -+config GRKERNSEC_CONFIG_PRIORITY_SECURITY -+ bool "Security" -+ help -+ Choose this option if security is of highest priority for this deployment of -+ grsecurity. UDEREF, kernel stack clearing, clearing of structures intended -+ for userland, and freed memory sanitizing will be enabled for this kernel. -+ In a worst-case scenario, these features can introduce a 20% performance hit -+ (UDEREF on x64 contributing half of this hit). -+ -+endchoice -+ -+menu "Default Special Groups" -+depends on (GRKERNSEC && GRKERNSEC_CONFIG_AUTO) -+ -+config GRKERNSEC_PROC_GID -+ int "GID exempted from /proc restrictions" -+ default 1001 -+ help -+ Setting this GID determines which group will be exempted from -+ grsecurity's /proc restrictions, allowing users of the specified -+ group to view network statistics and the existence of other users' -+ processes on the system. This GID may also be chosen at boot time -+ via "grsec_proc_gid=" on the kernel commandline. -+ -+config GRKERNSEC_TPE_UNTRUSTED_GID -+ int "GID for TPE-untrusted users" -+ depends on GRKERNSEC_CONFIG_SERVER && GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT -+ default 1005 -+ help -+ Setting this GID determines which group untrusted users should -+ be added to. These users will be placed under grsecurity's Trusted Path -+ Execution mechanism, preventing them from executing their own binaries. -+ The users will only be able to execute binaries in directories owned and -+ writable only by the root user. If the sysctl option is enabled, a sysctl -+ option with name "tpe_gid" is created. -+ -+config GRKERNSEC_TPE_TRUSTED_GID -+ int "GID for TPE-trusted users" -+ depends on GRKERNSEC_CONFIG_SERVER && GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT -+ default 1005 -+ help -+ Setting this GID determines what group TPE restrictions will be -+ *disabled* for. If the sysctl option is enabled, a sysctl option -+ with name "tpe_gid" is created. -+ -+config GRKERNSEC_SYMLINKOWN_GID -+ int "GID for users with kernel-enforced SymlinksIfOwnerMatch" -+ depends on GRKERNSEC_CONFIG_SERVER -+ default 1006 -+ help -+ Setting this GID determines what group kernel-enforced -+ SymlinksIfOwnerMatch will be enabled for. If the sysctl option -+ is enabled, a sysctl option with name "symlinkown_gid" is created. -+ -+ -+endmenu -+ -+menu "Customize Configuration" -+depends on GRKERNSEC -+ -+menu "PaX" -+ -+config PAX -+ bool "Enable various PaX features" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC && (ALPHA || ARM || AVR32 || IA64 || MIPS || PARISC || PPC || SPARC || X86) -+ help -+ This allows you to enable various PaX features. PaX adds -+ intrusion prevention mechanisms to the kernel that reduce -+ the risks posed by exploitable memory corruption bugs. -+ -+menu "PaX Control" -+ depends on PAX -+ -+config PAX_SOFTMODE -+ bool 'Support soft mode' -+ help -+ Enabling this option will allow you to run PaX in soft mode, that -+ is, PaX features will not be enforced by default, only on executables -+ marked explicitly. You must also enable PT_PAX_FLAGS or XATTR_PAX_FLAGS -+ support as they are the only way to mark executables for soft mode use. -+ -+ Soft mode can be activated by using the "pax_softmode=1" kernel command -+ line option on boot. Furthermore you can control various PaX features -+ at runtime via the entries in /proc/sys/kernel/pax. -+ -+config PAX_EI_PAX -+ bool 'Use legacy ELF header marking' -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ Enabling this option will allow you to control PaX features on -+ a per executable basis via the 'chpax' utility available at -+ http://pax.grsecurity.net/. The control flags will be read from -+ an otherwise reserved part of the ELF header. This marking has -+ numerous drawbacks (no support for soft-mode, toolchain does not -+ know about the non-standard use of the ELF header) therefore it -+ has been deprecated in favour of PT_PAX_FLAGS and XATTR_PAX_FLAGS -+ support. -+ -+ Note that if you enable PT_PAX_FLAGS or XATTR_PAX_FLAGS marking -+ support as well, they will override the legacy EI_PAX marks. -+ -+ If you enable none of the marking options then all applications -+ will run with PaX enabled on them by default. -+ -+config PAX_PT_PAX_FLAGS -+ bool 'Use ELF program header marking' -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ Enabling this option will allow you to control PaX features on -+ a per executable basis via the 'paxctl' utility available at -+ http://pax.grsecurity.net/. The control flags will be read from -+ a PaX specific ELF program header (PT_PAX_FLAGS). This marking -+ has the benefits of supporting both soft mode and being fully -+ integrated into the toolchain (the binutils patch is available -+ from http://pax.grsecurity.net). -+ -+ Note that if you enable the legacy EI_PAX marking support as well, -+ the EI_PAX marks will be overridden by the PT_PAX_FLAGS marks. -+ -+ If you enable both PT_PAX_FLAGS and XATTR_PAX_FLAGS support then you -+ must make sure that the marks are the same if a binary has both marks. -+ -+ If you enable none of the marking options then all applications -+ will run with PaX enabled on them by default. -+ -+config PAX_XATTR_PAX_FLAGS -+ bool 'Use filesystem extended attributes marking' -+ default y if GRKERNSEC_CONFIG_AUTO -+ select CIFS_XATTR if CIFS -+ select EXT2_FS_XATTR if EXT2_FS -+ select EXT3_FS_XATTR if EXT3_FS -+ select F2FS_FS_XATTR if F2FS_FS -+ select JFFS2_FS_XATTR if JFFS2_FS -+ select REISERFS_FS_XATTR if REISERFS_FS -+ select SQUASHFS_XATTR if SQUASHFS -+ select TMPFS_XATTR if TMPFS -+ help -+ Enabling this option will allow you to control PaX features on -+ a per executable basis via the 'setfattr' utility. The control -+ flags will be read from the user.pax.flags extended attribute of -+ the file. This marking has the benefit of supporting binary-only -+ applications that self-check themselves (e.g., skype) and would -+ not tolerate chpax/paxctl changes. The main drawback is that -+ extended attributes are not supported by some filesystems (e.g., -+ isofs, udf, vfat) so copying files through such filesystems will -+ lose the extended attributes and these PaX markings. -+ -+ Note that if you enable the legacy EI_PAX marking support as well, -+ the EI_PAX marks will be overridden by the XATTR_PAX_FLAGS marks. -+ -+ If you enable both PT_PAX_FLAGS and XATTR_PAX_FLAGS support then you -+ must make sure that the marks are the same if a binary has both marks. -+ -+ If you enable none of the marking options then all applications -+ will run with PaX enabled on them by default. -+ -+choice -+ prompt 'MAC system integration' -+ default PAX_HAVE_ACL_FLAGS -+ help -+ Mandatory Access Control systems have the option of controlling -+ PaX flags on a per executable basis, choose the method supported -+ by your particular system. -+ -+ - "none": if your MAC system does not interact with PaX, -+ - "direct": if your MAC system defines pax_set_initial_flags() itself, -+ - "hook": if your MAC system uses the pax_set_initial_flags_func callback. -+ -+ NOTE: this option is for developers/integrators only. -+ -+ config PAX_NO_ACL_FLAGS -+ bool 'none' -+ -+ config PAX_HAVE_ACL_FLAGS -+ bool 'direct' -+ -+ config PAX_HOOK_ACL_FLAGS -+ bool 'hook' -+endchoice -+ -+endmenu -+ -+menu "Non-executable pages" -+ depends on PAX -+ -+config PAX_NOEXEC -+ bool "Enforce non-executable pages" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on ALPHA || (ARM && (CPU_V6 || CPU_V6K || CPU_V7)) || IA64 || MIPS || PARISC || PPC || S390 || SPARC || X86 -+ help -+ By design some architectures do not allow for protecting memory -+ pages against execution or even if they do, Linux does not make -+ use of this feature. In practice this means that if a page is -+ readable (such as the stack or heap) it is also executable. -+ -+ There is a well known exploit technique that makes use of this -+ fact and a common programming mistake where an attacker can -+ introduce code of his choice somewhere in the attacked program's -+ memory (typically the stack or the heap) and then execute it. -+ -+ If the attacked program was running with different (typically -+ higher) privileges than that of the attacker, then he can elevate -+ his own privilege level (e.g. get a root shell, write to files for -+ which he does not have write access to, etc). -+ -+ Enabling this option will let you choose from various features -+ that prevent the injection and execution of 'foreign' code in -+ a program. -+ -+ This will also break programs that rely on the old behaviour and -+ expect that dynamically allocated memory via the malloc() family -+ of functions is executable (which it is not). Notable examples -+ are the XFree86 4.x server, the java runtime and wine. -+ -+config PAX_PAGEEXEC -+ bool "Paging based non-executable pages" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_NOEXEC && (!X86_32 || M586 || M586TSC || M586MMX || M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MATOM || MPENTIUM4 || MPSC || MK7 || MK8 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MVIAC3_2 || MVIAC7) -+ select ARCH_TRACK_EXEC_LIMIT if X86_32 -+ help -+ This implementation is based on the paging feature of the CPU. -+ On i386 without hardware non-executable bit support there is a -+ variable but usually low performance impact, however on Intel's -+ P4 core based CPUs it is very high so you should not enable this -+ for kernels meant to be used on such CPUs. -+ -+ On alpha, avr32, ia64, parisc, sparc, sparc64, x86_64 and i386 -+ with hardware non-executable bit support there is no performance -+ impact, on ppc the impact is negligible. -+ -+ Note that several architectures require various emulations due to -+ badly designed userland ABIs, this will cause a performance impact -+ but will disappear as soon as userland is fixed. For example, ppc -+ userland MUST have been built with secure-plt by a recent toolchain. -+ -+config PAX_SEGMEXEC -+ bool "Segmentation based non-executable pages" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_NOEXEC && X86_32 -+ help -+ This implementation is based on the segmentation feature of the -+ CPU and has a very small performance impact, however applications -+ will be limited to a 1.5 GB address space instead of the normal -+ 3 GB. -+ -+config PAX_EMUTRAMP -+ bool "Emulate trampolines" -+ default y if PARISC || GRKERNSEC_CONFIG_AUTO -+ depends on (PAX_PAGEEXEC || PAX_SEGMEXEC) && (PARISC || X86) -+ help -+ There are some programs and libraries that for one reason or -+ another attempt to execute special small code snippets from -+ non-executable memory pages. Most notable examples are the -+ signal handler return code generated by the kernel itself and -+ the GCC trampolines. -+ -+ If you enabled CONFIG_PAX_PAGEEXEC or CONFIG_PAX_SEGMEXEC then -+ such programs will no longer work under your kernel. -+ -+ As a remedy you can say Y here and use the 'chpax' or 'paxctl' -+ utilities to enable trampoline emulation for the affected programs -+ yet still have the protection provided by the non-executable pages. -+ -+ On parisc you MUST enable this option and EMUSIGRT as well, otherwise -+ your system will not even boot. -+ -+ Alternatively you can say N here and use the 'chpax' or 'paxctl' -+ utilities to disable CONFIG_PAX_PAGEEXEC and CONFIG_PAX_SEGMEXEC -+ for the affected files. -+ -+ NOTE: enabling this feature *may* open up a loophole in the -+ protection provided by non-executable pages that an attacker -+ could abuse. Therefore the best solution is to not have any -+ files on your system that would require this option. This can -+ be achieved by not using libc5 (which relies on the kernel -+ signal handler return code) and not using or rewriting programs -+ that make use of the nested function implementation of GCC. -+ Skilled users can just fix GCC itself so that it implements -+ nested function calls in a way that does not interfere with PaX. -+ -+config PAX_EMUSIGRT -+ bool "Automatically emulate sigreturn trampolines" -+ depends on PAX_EMUTRAMP && PARISC -+ default y -+ help -+ Enabling this option will have the kernel automatically detect -+ and emulate signal return trampolines executing on the stack -+ that would otherwise lead to task termination. -+ -+ This solution is intended as a temporary one for users with -+ legacy versions of libc (libc5, glibc 2.0, uClibc before 0.9.17, -+ Modula-3 runtime, etc) or executables linked to such, basically -+ everything that does not specify its own SA_RESTORER function in -+ normal executable memory like glibc 2.1+ does. -+ -+ On parisc you MUST enable this option, otherwise your system will -+ not even boot. -+ -+ NOTE: this feature cannot be disabled on a per executable basis -+ and since it *does* open up a loophole in the protection provided -+ by non-executable pages, the best solution is to not have any -+ files on your system that would require this option. -+ -+config PAX_MPROTECT -+ bool "Restrict mprotect()" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on (PAX_PAGEEXEC || PAX_SEGMEXEC) -+ help -+ Enabling this option will prevent programs from -+ - changing the executable status of memory pages that were -+ not originally created as executable, -+ - making read-only executable pages writable again, -+ - creating executable pages from anonymous memory, -+ - making read-only-after-relocations (RELRO) data pages writable again. -+ -+ You should say Y here to complete the protection provided by -+ the enforcement of non-executable pages. -+ -+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control -+ this feature on a per file basis. -+ -+config PAX_MPROTECT_COMPAT -+ bool "Use legacy/compat protection demoting (read help)" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_DESKTOP) -+ depends on PAX_MPROTECT -+ help -+ The current implementation of PAX_MPROTECT denies RWX allocations/mprotects -+ by sending the proper error code to the application. For some broken -+ userland, this can cause problems with Python or other applications. The -+ current implementation however allows for applications like clamav to -+ detect if JIT compilation/execution is allowed and to fall back gracefully -+ to an interpreter-based mode if it does not. While we encourage everyone -+ to use the current implementation as-is and push upstream to fix broken -+ userland (note that the RWX logging option can assist with this), in some -+ environments this may not be possible. Having to disable MPROTECT -+ completely on certain binaries reduces the security benefit of PaX, -+ so this option is provided for those environments to revert to the old -+ behavior. -+ -+config PAX_ELFRELOCS -+ bool "Allow ELF text relocations (read help)" -+ depends on PAX_MPROTECT -+ default n -+ help -+ Non-executable pages and mprotect() restrictions are effective -+ in preventing the introduction of new executable code into an -+ attacked task's address space. There remain only two venues -+ for this kind of attack: if the attacker can execute already -+ existing code in the attacked task then he can either have it -+ create and mmap() a file containing his code or have it mmap() -+ an already existing ELF library that does not have position -+ independent code in it and use mprotect() on it to make it -+ writable and copy his code there. While protecting against -+ the former approach is beyond PaX, the latter can be prevented -+ by having only PIC ELF libraries on one's system (which do not -+ need to relocate their code). If you are sure this is your case, -+ as is the case with all modern Linux distributions, then leave -+ this option disabled. You should say 'n' here. -+ -+config PAX_ETEXECRELOCS -+ bool "Allow ELF ET_EXEC text relocations" -+ depends on PAX_MPROTECT && (ALPHA || IA64 || PARISC) -+ select PAX_ELFRELOCS -+ default y -+ help -+ On some architectures there are incorrectly created applications -+ that require text relocations and would not work without enabling -+ this option. If you are an alpha, ia64 or parisc user, you should -+ enable this option and disable it once you have made sure that -+ none of your applications need it. -+ -+config PAX_EMUPLT -+ bool "Automatically emulate ELF PLT" -+ depends on PAX_MPROTECT && (ALPHA || PARISC || SPARC) -+ default y -+ help -+ Enabling this option will have the kernel automatically detect -+ and emulate the Procedure Linkage Table entries in ELF files. -+ On some architectures such entries are in writable memory, and -+ become non-executable leading to task termination. Therefore -+ it is mandatory that you enable this option on alpha, parisc, -+ sparc and sparc64, otherwise your system would not even boot. -+ -+ NOTE: this feature *does* open up a loophole in the protection -+ provided by the non-executable pages, therefore the proper -+ solution is to modify the toolchain to produce a PLT that does -+ not need to be writable. -+ -+config PAX_DLRESOLVE -+ bool 'Emulate old glibc resolver stub' -+ depends on PAX_EMUPLT && SPARC -+ default n -+ help -+ This option is needed if userland has an old glibc (before 2.4) -+ that puts a 'save' instruction into the runtime generated resolver -+ stub that needs special emulation. -+ -+config PAX_KERNEXEC -+ bool "Enforce non-executable kernel pages" -+ default y if GRKERNSEC_CONFIG_AUTO && (!X86 || GRKERNSEC_CONFIG_VIRT_NONE || (GRKERNSEC_CONFIG_VIRT_EPT && GRKERNSEC_CONFIG_VIRT_GUEST) || (GRKERNSEC_CONFIG_VIRT_EPT && GRKERNSEC_CONFIG_VIRT_KVM)) -+ depends on (X86 || (ARM && (CPU_V6 || CPU_V6K || CPU_V7) && !(ARM_LPAE && MODULES))) && !XEN -+ select PAX_PER_CPU_PGD if X86_64 || (X86_32 && X86_PAE) -+ select PAX_KERNEXEC_PLUGIN if X86_64 -+ select ARM_KERNMEM_PERMS if ARM -+ help -+ This is the kernel land equivalent of PAGEEXEC and MPROTECT, -+ that is, enabling this option will make it harder to inject -+ and execute 'foreign' code in kernel memory itself. -+ -+ Note that on amd64, CONFIG_EFI enabled with "efi=old_map" on -+ the kernel command-line will result in an RWX physical map. -+ -+ Likewise, the EFI runtime services are necessarily mapped as -+ RWX. If CONFIG_EFI is enabled on an EFI-capable system, it -+ is recommended that you boot with "noefi" on the kernel -+ command-line if possible to eliminate the mapping. -+ -+choice -+ prompt "Return Address Instrumentation Method" -+ default PAX_KERNEXEC_PLUGIN_METHOD_BTS -+ depends on PAX_KERNEXEC_PLUGIN -+ help -+ Select the method used to instrument function pointer dereferences. -+ Note that binary modules cannot be instrumented by this approach. -+ -+ Note that the implementation requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. -+ -+ config PAX_KERNEXEC_PLUGIN_METHOD_BTS -+ bool "bts" -+ help -+ This method is compatible with binary only modules but has -+ a higher runtime overhead. -+ -+ config PAX_KERNEXEC_PLUGIN_METHOD_OR -+ bool "or" -+ depends on !PARAVIRT -+ help -+ This method is incompatible with binary only modules but has -+ a lower runtime overhead. -+endchoice -+ -+config PAX_KERNEXEC_PLUGIN_METHOD -+ string -+ default "bts" if PAX_KERNEXEC_PLUGIN_METHOD_BTS -+ default "or" if PAX_KERNEXEC_PLUGIN_METHOD_OR -+ default "" -+ -+config PAX_KERNEXEC_MODULE_TEXT -+ int "Minimum amount of memory reserved for module code" -+ default "8" if (!GRKERNSEC_CONFIG_AUTO || GRKERNSEC_CONFIG_SERVER) -+ default "12" if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_DESKTOP) -+ depends on PAX_KERNEXEC && X86_32 -+ help -+ Due to implementation details the kernel must reserve a fixed -+ amount of memory for runtime allocated code (such as modules) -+ at compile time that cannot be changed at runtime. Here you -+ can specify the minimum amount in MB that will be reserved. -+ Due to the same implementation details this size will always -+ be rounded up to the next 2/4 MB boundary (depends on PAE) so -+ the actually available memory for runtime allocated code will -+ usually be more than this minimum. -+ -+ The default 4 MB should be enough for most users but if you have -+ an excessive number of modules (e.g., most distribution configs -+ compile many drivers as modules) or use huge modules such as -+ nvidia's kernel driver, you will need to adjust this amount. -+ A good rule of thumb is to look at your currently loaded kernel -+ modules and add up their sizes. -+ -+endmenu -+ -+menu "Address Space Layout Randomization" -+ depends on PAX -+ -+config PAX_ASLR -+ bool "Address Space Layout Randomization" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ Many if not most exploit techniques rely on the knowledge of -+ certain addresses in the attacked program. The following options -+ will allow the kernel to apply a certain amount of randomization -+ to specific parts of the program thereby forcing an attacker to -+ guess them in most cases. Any failed guess will most likely crash -+ the attacked program which allows the kernel to detect such attempts -+ and react on them. PaX itself provides no reaction mechanisms, -+ instead it is strongly encouraged that you make use of grsecurity's -+ (http://www.grsecurity.net/) built-in crash detection features or -+ develop one yourself. -+ -+ By saying Y here you can choose to randomize the following areas: -+ - top of the task's kernel stack -+ - top of the task's userland stack -+ - base address for mmap() requests that do not specify one -+ (this includes all libraries) -+ - base address of the main executable -+ -+ It is strongly recommended to say Y here as address space layout -+ randomization has negligible impact on performance yet it provides -+ a very effective protection. -+ -+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control -+ this feature on a per file basis. -+ -+config PAX_RANDKSTACK -+ bool "Randomize kernel stack base" -+ default y if GRKERNSEC_CONFIG_AUTO && !(GRKERNSEC_CONFIG_VIRT_HOST && GRKERNSEC_CONFIG_VIRT_VIRTUALBOX) -+ depends on X86_TSC && X86 -+ help -+ By saying Y here the kernel will randomize every task's kernel -+ stack on every system call. This will not only force an attacker -+ to guess it but also prevent him from making use of possible -+ leaked information about it. -+ -+ Since the kernel stack is a rather scarce resource, randomization -+ may cause unexpected stack overflows, therefore you should very -+ carefully test your system. Note that once enabled in the kernel -+ configuration, this feature cannot be disabled on a per file basis. -+ -+config PAX_RANDUSTACK -+ bool -+ -+config PAX_RANDMMAP -+ bool "Randomize user stack and mmap() bases" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on PAX_ASLR -+ select PAX_RANDUSTACK -+ help -+ By saying Y here the kernel will randomize every task's userland -+ stack and use a randomized base address for mmap() requests that -+ do not specify one themselves. -+ -+ The stack randomization is done in two steps where the second -+ one may apply a big amount of shift to the top of the stack and -+ cause problems for programs that want to use lots of memory (more -+ than 2.5 GB if SEGMEXEC is not active, or 1.25 GB when it is). -+ -+ As a result of mmap randomization all dynamically loaded libraries -+ will appear at random addresses and therefore be harder to exploit -+ by a technique where an attacker attempts to execute library code -+ for his purposes (e.g. spawn a shell from an exploited program that -+ is running at an elevated privilege level). -+ -+ Furthermore, if a program is relinked as a dynamic ELF file, its -+ base address will be randomized as well, completing the full -+ randomization of the address space layout. Attacking such programs -+ becomes a guess game. You can find an example of doing this at -+ http://pax.grsecurity.net/et_dyn.tar.gz and practical samples at -+ http://www.grsecurity.net/grsec-gcc-specs.tar.gz . -+ -+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control this -+ feature on a per file basis. -+ -+endmenu -+ -+menu "Miscellaneous hardening features" -+ -+config PAX_MEMORY_SANITIZE -+ bool "Sanitize all freed memory" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY) -+ help -+ By saying Y here the kernel will erase memory pages and slab objects -+ as soon as they are freed. This in turn reduces the lifetime of data -+ stored in them, making it less likely that sensitive information such -+ as passwords, cryptographic secrets, etc stay in memory for too long. -+ -+ This is especially useful for programs whose runtime is short, long -+ lived processes and the kernel itself benefit from this as long as -+ they ensure timely freeing of memory that may hold sensitive -+ information. -+ -+ A nice side effect of the sanitization of slab objects is the -+ reduction of possible info leaks caused by padding bytes within the -+ leaky structures. Use-after-free bugs for structures containing -+ pointers can also be detected as dereferencing the sanitized pointer -+ will generate an access violation. -+ -+ The tradeoff is performance impact, on a single CPU system kernel -+ compilation sees a 3% slowdown, other systems and workloads may vary -+ and you are advised to test this feature on your expected workload -+ before deploying it. -+ -+ The slab sanitization feature excludes a few slab caches per default -+ for performance reasons. To extend the feature to cover those as -+ well, pass "pax_sanitize_slab=full" as kernel command line parameter. -+ -+ To reduce the performance penalty by sanitizing pages only, albeit -+ limiting the effectiveness of this feature at the same time, slab -+ sanitization can be disabled with the kernel command line parameter -+ "pax_sanitize_slab=off". -+ -+ Note that this feature does not protect data stored in live pages, -+ e.g., process memory swapped to disk may stay there for a long time. -+ -+config PAX_MEMORY_STACKLEAK -+ bool "Sanitize kernel stack" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY) -+ depends on X86 -+ help -+ By saying Y here the kernel will erase the kernel stack before it -+ returns from a system call. This in turn reduces the information -+ that a kernel stack leak bug can reveal. -+ -+ Note that such a bug can still leak information that was put on -+ the stack by the current system call (the one eventually triggering -+ the bug) but traces of earlier system calls on the kernel stack -+ cannot leak anymore. -+ -+ The tradeoff is performance impact: on a single CPU system kernel -+ compilation sees a 1% slowdown, other systems and workloads may vary -+ and you are advised to test this feature on your expected workload -+ before deploying it. -+ -+ Note that the full feature requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. Using -+ older gcc versions means that functions with large enough stack -+ frames may leave uninitialized memory behind that may be exposed -+ to a later syscall leaking the stack. -+ -+config PAX_MEMORY_STRUCTLEAK -+ bool "Forcibly initialize local variables copied to userland" -+ default y if (GRKERNSEC_CONFIG_AUTO && GRKERNSEC_CONFIG_PRIORITY_SECURITY) -+ help -+ By saying Y here the kernel will zero initialize some local -+ variables that are going to be copied to userland. This in -+ turn prevents unintended information leakage from the kernel -+ stack should later code forget to explicitly set all parts of -+ the copied variable. -+ -+ The tradeoff is less performance impact than PAX_MEMORY_STACKLEAK -+ at a much smaller coverage. -+ -+ Note that the implementation requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. -+ -+config PAX_MEMORY_UDEREF -+ bool "Prevent invalid userland pointer dereference" -+ default y if GRKERNSEC_CONFIG_AUTO && !(X86_64 && GRKERNSEC_CONFIG_PRIORITY_PERF) && (!X86 || GRKERNSEC_CONFIG_VIRT_NONE || GRKERNSEC_CONFIG_VIRT_EPT) -+ depends on (X86 || (ARM && (CPU_V6 || CPU_V6K || CPU_V7) && !ARM_LPAE)) && !UML_X86 && !XEN -+ select PAX_PER_CPU_PGD if X86_64 -+ help -+ By saying Y here the kernel will be prevented from dereferencing -+ userland pointers in contexts where the kernel expects only kernel -+ pointers. This is both a useful runtime debugging feature and a -+ security measure that prevents exploiting a class of kernel bugs. -+ -+ The tradeoff is that some virtualization solutions may experience -+ a huge slowdown and therefore you should not enable this feature -+ for kernels meant to run in such environments. Whether a given VM -+ solution is affected or not is best determined by simply trying it -+ out, the performance impact will be obvious right on boot as this -+ mechanism engages from very early on. A good rule of thumb is that -+ VMs running on CPUs without hardware virtualization support (i.e., -+ the majority of IA-32 CPUs) will likely experience the slowdown. -+ -+ On X86_64 the kernel will make use of PCID support when available -+ (Intel's Westmere, Sandy Bridge, etc) for better security (default) -+ or performance impact. Pass pax_weakuderef on the kernel command -+ line to choose the latter. -+ -+config PAX_REFCOUNT -+ bool "Prevent various kernel object reference counter overflows" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on GRKERNSEC && ((ARM && (CPU_V6 || CPU_V6K || CPU_V7)) || MIPS || PPC || SPARC64 || X86) -+ help -+ By saying Y here the kernel will detect and prevent overflowing -+ various (but not all) kinds of object reference counters. Such -+ overflows can normally occur due to bugs only and are often, if -+ not always, exploitable. -+ -+ The tradeoff is that data structures protected by an overflowed -+ refcount will never be freed and therefore will leak memory. Note -+ that this leak also happens even without this protection but in -+ that case the overflow can eventually trigger the freeing of the -+ data structure while it is still being used elsewhere, resulting -+ in the exploitable situation that this feature prevents. -+ -+ Since this has a negligible performance impact, you should enable -+ this feature. -+ -+config PAX_CONSTIFY_PLUGIN -+ bool "Automatically constify eligible structures" -+ default y -+ depends on !UML && PAX_KERNEXEC -+ help -+ By saying Y here the compiler will automatically constify a class -+ of types that contain only function pointers. This reduces the -+ kernel's attack surface and also produces a better memory layout. -+ -+ Note that the implementation requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. -+ -+ Note that if some code really has to modify constified variables -+ then the source code will have to be patched to allow it. Examples -+ can be found in PaX itself (the no_const attribute) and for some -+ out-of-tree modules at http://www.grsecurity.net/~paxguy1/ . -+ -+config PAX_USERCOPY -+ bool "Harden heap object copies between kernel and userland" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on ARM || IA64 || PPC || SPARC || X86 -+ depends on GRKERNSEC && (SLAB || SLUB || SLOB) -+ select PAX_USERCOPY_SLABS -+ help -+ By saying Y here the kernel will enforce the size of heap objects -+ when they are copied in either direction between the kernel and -+ userland, even if only a part of the heap object is copied. -+ -+ Specifically, this checking prevents information leaking from the -+ kernel heap during kernel to userland copies (if the kernel heap -+ object is otherwise fully initialized) and prevents kernel heap -+ overflows during userland to kernel copies. -+ -+ Note that the current implementation provides the strictest bounds -+ checks for the SLUB allocator. -+ -+ Enabling this option also enables per-slab cache protection against -+ data in a given cache being copied into/out of via userland -+ accessors. Though the whitelist of regions will be reduced over -+ time, it notably protects important data structures like task structs. -+ -+ If frame pointers are enabled on x86, this option will also restrict -+ copies into and out of the kernel stack to local variables within a -+ single frame. -+ -+ Since this has a negligible performance impact, you should enable -+ this feature. -+ -+config PAX_USERCOPY_DEBUG -+ bool -+ depends on X86 && PAX_USERCOPY -+ default n -+ -+config PAX_SIZE_OVERFLOW -+ bool "Prevent various integer overflows in function size parameters" -+ default y if GRKERNSEC_CONFIG_AUTO -+ depends on X86 -+ help -+ By saying Y here the kernel recomputes expressions of function -+ arguments marked by a size_overflow attribute with double integer -+ precision (DImode/TImode for 32/64 bit integer types). -+ -+ The recomputed argument is checked against TYPE_MAX and an event -+ is logged on overflow and the triggering process is killed. -+ -+ Homepage: http://www.grsecurity.net/~ephox/overflow_plugin/ -+ -+ Note that the implementation requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. -+ -+config PAX_LATENT_ENTROPY -+ bool "Generate some entropy during boot and runtime" -+ default y if GRKERNSEC_CONFIG_AUTO -+ help -+ By saying Y here the kernel will instrument some kernel code to -+ extract some entropy from both original and artificially created -+ program state. This will help especially embedded systems where -+ there is little 'natural' source of entropy normally. The cost -+ is some slowdown of the boot process and fork and irq processing. -+ -+ When pax_extra_latent_entropy is passed on the kernel command line, -+ entropy will be extracted from up to the first 4GB of RAM while the -+ runtime memory allocator is being initialized. This costs even more -+ slowdown of the boot process. -+ -+ Note that the implementation requires a gcc with plugin support, -+ i.e., gcc 4.5 or newer. You may need to install the supporting -+ headers explicitly in addition to the normal gcc package. -+ -+ Note that entropy extracted this way is not cryptographically -+ secure! -+ -+endmenu -+ -+endmenu -+ -+source grsecurity/Kconfig -+ -+endmenu -+ -+endmenu -+ - source security/keys/Kconfig - - config SECURITY_DMESG_RESTRICT -@@ -104,7 +1079,7 @@ config INTEL_TXT - config LSM_MMAP_MIN_ADDR - int "Low address space for LSM to protect from user allocation" - depends on SECURITY && SECURITY_SELINUX -- default 32768 if ARM || (ARM64 && COMPAT) -+ default 32768 if ALPHA || ARM || (ARM64 && COMPAT) || PARISC || SPARC32 - default 65536 - help - This is the portion of low virtual memory which should be protected -diff --git a/security/apparmor/file.c b/security/apparmor/file.c -index 913f377..6e392d5 100644 ---- a/security/apparmor/file.c -+++ b/security/apparmor/file.c -@@ -348,8 +348,8 @@ static inline bool xindex_is_subset(u32 link, u32 target) - int aa_path_link(struct aa_profile *profile, struct dentry *old_dentry, - struct path *new_dir, struct dentry *new_dentry) - { -- struct path link = { new_dir->mnt, new_dentry }; -- struct path target = { new_dir->mnt, old_dentry }; -+ struct path link = { .mnt = new_dir->mnt, .dentry = new_dentry }; -+ struct path target = { .mnt = new_dir->mnt, .dentry = old_dentry }; - struct path_cond cond = { - d_backing_inode(old_dentry)->i_uid, - d_backing_inode(old_dentry)->i_mode -diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c -index e5f1561..c351c05 100644 ---- a/security/apparmor/lsm.c -+++ b/security/apparmor/lsm.c -@@ -186,7 +186,7 @@ static int common_perm_dir_dentry(int op, struct path *dir, - struct dentry *dentry, u32 mask, - struct path_cond *cond) - { -- struct path path = { dir->mnt, dentry }; -+ struct path path = { .mnt = dir->mnt, .dentry = dentry }; - - return common_perm(op, &path, mask, cond); - } -@@ -203,7 +203,7 @@ static int common_perm_dir_dentry(int op, struct path *dir, - static int common_perm_mnt_dentry(int op, struct vfsmount *mnt, - struct dentry *dentry, u32 mask) - { -- struct path path = { mnt, dentry }; -+ struct path path = { .mnt = mnt, .dentry = dentry }; - struct path_cond cond = { d_backing_inode(dentry)->i_uid, - d_backing_inode(dentry)->i_mode - }; -@@ -325,8 +325,8 @@ static int apparmor_path_rename(struct path *old_dir, struct dentry *old_dentry, - - profile = aa_current_profile(); - if (!unconfined(profile)) { -- struct path old_path = { old_dir->mnt, old_dentry }; -- struct path new_path = { new_dir->mnt, new_dentry }; -+ struct path old_path = { .mnt = old_dir->mnt, .dentry = old_dentry }; -+ struct path new_path = { .mnt = new_dir->mnt, .dentry = new_dentry }; - struct path_cond cond = { d_backing_inode(old_dentry)->i_uid, - d_backing_inode(old_dentry)->i_mode - }; -@@ -615,7 +615,7 @@ static int apparmor_task_setrlimit(struct task_struct *task, - return error; - } - --static struct security_operations apparmor_ops = { -+static struct security_operations apparmor_ops __read_only = { - .name = "apparmor", - - .ptrace_access_check = apparmor_ptrace_access_check, -diff --git a/security/commoncap.c b/security/commoncap.c -index f2875cd..9fc1de0 100644 ---- a/security/commoncap.c -+++ b/security/commoncap.c -@@ -427,6 +427,32 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data - return 0; - } - -+/* returns: -+ 1 for suid privilege -+ 2 for sgid privilege -+ 3 for fscap privilege -+*/ -+int is_privileged_binary(const struct dentry *dentry) -+{ -+ struct cpu_vfs_cap_data capdata; -+ struct inode *inode = dentry->d_inode; -+ -+ if (!inode || S_ISDIR(inode->i_mode)) -+ return 0; -+ -+ if (inode->i_mode & S_ISUID) -+ return 1; -+ if ((inode->i_mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) -+ return 2; -+ -+ if (!get_vfs_caps_from_disk(dentry, &capdata)) { -+ if (!cap_isclear(capdata.inheritable) || !cap_isclear(capdata.permitted)) -+ return 3; -+ } -+ -+ return 0; -+} -+ - /* - * Attempt to get the on-exec apply capability sets for an executable file from - * its xattrs and, if present, apply them to the proposed credentials being -@@ -591,6 +617,9 @@ int cap_bprm_secureexec(struct linux_binprm *bprm) - const struct cred *cred = current_cred(); - kuid_t root_uid = make_kuid(cred->user_ns, 0); - -+ if (gr_acl_enable_at_secure()) -+ return 1; -+ - if (!uid_eq(cred->uid, root_uid)) { - if (bprm->cap_effective) - return 1; -diff --git a/security/integrity/ima/ima.h b/security/integrity/ima/ima.h -index fc56d4d..ac97140 100644 ---- a/security/integrity/ima/ima.h -+++ b/security/integrity/ima/ima.h -@@ -116,8 +116,8 @@ int ima_init_template(void); - extern spinlock_t ima_queue_lock; - - struct ima_h_table { -- atomic_long_t len; /* number of stored measurements in the list */ -- atomic_long_t violations; -+ atomic_long_unchecked_t len; /* number of stored measurements in the list */ -+ atomic_long_unchecked_t violations; - struct hlist_head queue[IMA_MEASURE_HTABLE_SIZE]; - }; - extern struct ima_h_table ima_htable; -diff --git a/security/integrity/ima/ima_api.c b/security/integrity/ima/ima_api.c -index b8a27c5..50a769f 100644 ---- a/security/integrity/ima/ima_api.c -+++ b/security/integrity/ima/ima_api.c -@@ -137,7 +137,7 @@ void ima_add_violation(struct file *file, const unsigned char *filename, - int result; - - /* can overflow, only indicator */ -- atomic_long_inc(&ima_htable.violations); -+ atomic_long_inc_unchecked(&ima_htable.violations); - - result = ima_alloc_init_template(NULL, file, filename, - NULL, 0, &entry); -diff --git a/security/integrity/ima/ima_fs.c b/security/integrity/ima/ima_fs.c -index 816d175..20079ae 100644 ---- a/security/integrity/ima/ima_fs.c -+++ b/security/integrity/ima/ima_fs.c -@@ -28,12 +28,12 @@ - static int valid_policy = 1; - #define TMPBUFLEN 12 - static ssize_t ima_show_htable_value(char __user *buf, size_t count, -- loff_t *ppos, atomic_long_t *val) -+ loff_t *ppos, atomic_long_unchecked_t *val) - { - char tmpbuf[TMPBUFLEN]; - ssize_t len; - -- len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read(val)); -+ len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read_unchecked(val)); - return simple_read_from_buffer(buf, count, ppos, tmpbuf, len); - } - -diff --git a/security/integrity/ima/ima_queue.c b/security/integrity/ima/ima_queue.c -index 552705d..9920f4fb 100644 ---- a/security/integrity/ima/ima_queue.c -+++ b/security/integrity/ima/ima_queue.c -@@ -83,7 +83,7 @@ static int ima_add_digest_entry(struct ima_template_entry *entry) - INIT_LIST_HEAD(&qe->later); - list_add_tail_rcu(&qe->later, &ima_measurements); - -- atomic_long_inc(&ima_htable.len); -+ atomic_long_inc_unchecked(&ima_htable.len); - key = ima_hash_key(entry->digest); - hlist_add_head_rcu(&qe->hnext, &ima_htable.queue[key]); - return 0; -diff --git a/security/keys/key.c b/security/keys/key.c -index aee2ec5..c276071 100644 ---- a/security/keys/key.c -+++ b/security/keys/key.c -@@ -283,7 +283,7 @@ struct key *key_alloc(struct key_type *type, const char *desc, - - atomic_set(&key->usage, 1); - init_rwsem(&key->sem); -- lockdep_set_class(&key->sem, &type->lock_class); -+ lockdep_set_class(&key->sem, (struct lock_class_key *)&type->lock_class); - key->index_key.type = type; - key->user = user; - key->quotalen = quotalen; -@@ -1073,7 +1073,9 @@ int register_key_type(struct key_type *ktype) - struct key_type *p; - int ret; - -- memset(&ktype->lock_class, 0, sizeof(ktype->lock_class)); -+ pax_open_kernel(); -+ memset((void *)&ktype->lock_class, 0, sizeof(ktype->lock_class)); -+ pax_close_kernel(); - - ret = -EEXIST; - down_write(&key_types_sem); -@@ -1085,7 +1087,7 @@ int register_key_type(struct key_type *ktype) - } - - /* store the type */ -- list_add(&ktype->link, &key_types_list); -+ pax_list_add((struct list_head *)&ktype->link, &key_types_list); - - pr_notice("Key type %s registered\n", ktype->name); - ret = 0; -@@ -1107,7 +1109,7 @@ EXPORT_SYMBOL(register_key_type); - void unregister_key_type(struct key_type *ktype) - { - down_write(&key_types_sem); -- list_del_init(&ktype->link); -+ pax_list_del_init((struct list_head *)&ktype->link); - downgrade_write(&key_types_sem); - key_gc_keytype(ktype); - pr_notice("Key type %s unregistered\n", ktype->name); -@@ -1125,10 +1127,10 @@ void __init key_init(void) - 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL); - - /* add the special key types */ -- list_add_tail(&key_type_keyring.link, &key_types_list); -- list_add_tail(&key_type_dead.link, &key_types_list); -- list_add_tail(&key_type_user.link, &key_types_list); -- list_add_tail(&key_type_logon.link, &key_types_list); -+ pax_list_add_tail((struct list_head *)&key_type_keyring.link, &key_types_list); -+ pax_list_add_tail((struct list_head *)&key_type_dead.link, &key_types_list); -+ pax_list_add_tail((struct list_head *)&key_type_user.link, &key_types_list); -+ pax_list_add_tail((struct list_head *)&key_type_logon.link, &key_types_list); - - /* record the root user tracking */ - rb_link_node(&root_key_user.node, -diff --git a/security/min_addr.c b/security/min_addr.c -index f728728..6457a0c 100644 ---- a/security/min_addr.c -+++ b/security/min_addr.c -@@ -14,6 +14,7 @@ unsigned long dac_mmap_min_addr = CONFIG_DEFAULT_MMAP_MIN_ADDR; - */ - static void update_mmap_min_addr(void) - { -+#ifndef SPARC - #ifdef CONFIG_LSM_MMAP_MIN_ADDR - if (dac_mmap_min_addr > CONFIG_LSM_MMAP_MIN_ADDR) - mmap_min_addr = dac_mmap_min_addr; -@@ -22,6 +23,7 @@ static void update_mmap_min_addr(void) - #else - mmap_min_addr = dac_mmap_min_addr; - #endif -+#endif - } - - /* -diff --git a/security/security.c b/security/security.c -index 8e9b1f4..cda8e4c 100644 ---- a/security/security.c -+++ b/security/security.c -@@ -33,8 +33,8 @@ - static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] = - CONFIG_DEFAULT_SECURITY; - --static struct security_operations *security_ops; --static struct security_operations default_security_ops = { -+struct security_operations *security_ops __read_only; -+struct security_operations default_security_ops __read_only = { - .name = "default", - }; - -@@ -73,11 +73,6 @@ int __init security_init(void) - return 0; - } - --void reset_security_ops(void) --{ -- security_ops = &default_security_ops; --} -- - /* Save user chosen LSM */ - static int __init choose_lsm(char *str) - { -diff --git a/security/selinux/avc.c b/security/selinux/avc.c -index 3c17dda..482b12c 100644 ---- a/security/selinux/avc.c -+++ b/security/selinux/avc.c -@@ -59,7 +59,7 @@ struct avc_node { - struct avc_cache { - struct hlist_head slots[AVC_CACHE_SLOTS]; /* head for avc_node->list */ - spinlock_t slots_lock[AVC_CACHE_SLOTS]; /* lock for writes */ -- atomic_t lru_hint; /* LRU hint for reclaim scan */ -+ atomic_unchecked_t lru_hint; /* LRU hint for reclaim scan */ - atomic_t active_nodes; - u32 latest_notif; /* latest revocation notification */ - }; -@@ -167,7 +167,7 @@ void __init avc_init(void) - spin_lock_init(&avc_cache.slots_lock[i]); - } - atomic_set(&avc_cache.active_nodes, 0); -- atomic_set(&avc_cache.lru_hint, 0); -+ atomic_set_unchecked(&avc_cache.lru_hint, 0); - - avc_node_cachep = kmem_cache_create("avc_node", sizeof(struct avc_node), - 0, SLAB_PANIC, NULL); -@@ -242,7 +242,7 @@ static inline int avc_reclaim_node(void) - spinlock_t *lock; - - for (try = 0, ecx = 0; try < AVC_CACHE_SLOTS; try++) { -- hvalue = atomic_inc_return(&avc_cache.lru_hint) & (AVC_CACHE_SLOTS - 1); -+ hvalue = atomic_inc_return_unchecked(&avc_cache.lru_hint) & (AVC_CACHE_SLOTS - 1); - head = &avc_cache.slots[hvalue]; - lock = &avc_cache.slots_lock[hvalue]; - -diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c -index 7f8d7f1..3436ea3 100644 ---- a/security/selinux/hooks.c -+++ b/security/selinux/hooks.c -@@ -5842,7 +5842,8 @@ static int selinux_key_getsecurity(struct key *key, char **_buffer) - - #endif - --static struct security_operations selinux_ops = { -+static struct security_operations selinux_ops __read_only = { -+ .name = "selinux", - .name = "selinux", - - .binder_set_context_mgr = selinux_binder_set_context_mgr, -@@ -6187,6 +6188,9 @@ static void selinux_nf_ip_exit(void) - #ifdef CONFIG_SECURITY_SELINUX_DISABLE - static int selinux_disabled; - -+extern struct security_operations *security_ops; -+extern struct security_operations default_security_ops; -+ - int selinux_disable(void) - { - if (ss_initialized) { -@@ -6204,7 +6208,9 @@ int selinux_disable(void) - selinux_disabled = 1; - selinux_enabled = 0; - -- reset_security_ops(); -+ pax_open_kernel(); -+ security_ops = &default_security_ops; -+ pax_close_kernel(); - - /* Try to destroy the avc node cache */ - avc_disable(); -diff --git a/security/selinux/include/xfrm.h b/security/selinux/include/xfrm.h -index 1450f85..a91e0bc 100644 ---- a/security/selinux/include/xfrm.h -+++ b/security/selinux/include/xfrm.h -@@ -48,7 +48,7 @@ static inline void selinux_xfrm_notify_policyload(void) - - rtnl_lock(); - for_each_net(net) { -- atomic_inc(&net->xfrm.flow_cache_genid); -+ atomic_inc_unchecked(&net->xfrm.flow_cache_genid); - rt_genid_bump_all(net); - } - rtnl_unlock(); -diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c -index b644757..3763b10 100644 ---- a/security/smack/smack_lsm.c -+++ b/security/smack/smack_lsm.c -@@ -4266,7 +4266,7 @@ static int smack_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen) - return 0; - } - --struct security_operations smack_ops = { -+struct security_operations smack_ops __read_only = { - .name = "smack", - - .ptrace_access_check = smack_ptrace_access_check, -diff --git a/security/tomoyo/file.c b/security/tomoyo/file.c -index 2367b10..a0c3c51 100644 ---- a/security/tomoyo/file.c -+++ b/security/tomoyo/file.c -@@ -692,7 +692,7 @@ int tomoyo_path_number_perm(const u8 type, struct path *path, - { - struct tomoyo_request_info r; - struct tomoyo_obj_info obj = { -- .path1 = *path, -+ .path1 = { .mnt = path->mnt, .dentry = path->dentry }, - }; - int error = -ENOMEM; - struct tomoyo_path_info buf; -@@ -740,7 +740,7 @@ int tomoyo_check_open_permission(struct tomoyo_domain_info *domain, - struct tomoyo_path_info buf; - struct tomoyo_request_info r; - struct tomoyo_obj_info obj = { -- .path1 = *path, -+ .path1 = { .mnt = path->mnt, .dentry = path->dentry }, - }; - int idx; - -@@ -786,7 +786,7 @@ int tomoyo_path_perm(const u8 operation, const struct path *path, const char *ta - { - struct tomoyo_request_info r; - struct tomoyo_obj_info obj = { -- .path1 = *path, -+ .path1 = { .mnt = path->mnt, .dentry = path->dentry }, - }; - int error; - struct tomoyo_path_info buf; -@@ -843,7 +843,7 @@ int tomoyo_mkdev_perm(const u8 operation, struct path *path, - { - struct tomoyo_request_info r; - struct tomoyo_obj_info obj = { -- .path1 = *path, -+ .path1 = { .mnt = path->mnt, .dentry = path->dentry }, - }; - int error = -ENOMEM; - struct tomoyo_path_info buf; -@@ -890,8 +890,8 @@ int tomoyo_path2_perm(const u8 operation, struct path *path1, - struct tomoyo_path_info buf2; - struct tomoyo_request_info r; - struct tomoyo_obj_info obj = { -- .path1 = *path1, -- .path2 = *path2, -+ .path1 = { .mnt = path1->mnt, .dentry = path1->dentry }, -+ .path2 = { .mnt = path2->mnt, .dentry = path2->dentry } - }; - int idx; - -diff --git a/security/tomoyo/mount.c b/security/tomoyo/mount.c -index 390c646..f2f8db3 100644 ---- a/security/tomoyo/mount.c -+++ b/security/tomoyo/mount.c -@@ -118,6 +118,10 @@ static int tomoyo_mount_acl(struct tomoyo_request_info *r, - type == tomoyo_mounts[TOMOYO_MOUNT_MOVE]) { - need_dev = -1; /* dev_name is a directory */ - } else { -+ if (!capable(CAP_SYS_ADMIN)) { -+ error = -EPERM; -+ goto out; -+ } - fstype = get_fs_type(type); - if (!fstype) { - error = -ENODEV; -diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c -index 57c88d5..0c6fcf3 100644 ---- a/security/tomoyo/tomoyo.c -+++ b/security/tomoyo/tomoyo.c -@@ -171,7 +171,7 @@ static int tomoyo_path_truncate(struct path *path) - */ - static int tomoyo_path_unlink(struct path *parent, struct dentry *dentry) - { -- struct path path = { parent->mnt, dentry }; -+ struct path path = { .mnt = parent->mnt, .dentry = dentry }; - return tomoyo_path_perm(TOMOYO_TYPE_UNLINK, &path, NULL); - } - -@@ -187,7 +187,7 @@ static int tomoyo_path_unlink(struct path *parent, struct dentry *dentry) - static int tomoyo_path_mkdir(struct path *parent, struct dentry *dentry, - umode_t mode) - { -- struct path path = { parent->mnt, dentry }; -+ struct path path = { .mnt = parent->mnt, .dentry = dentry }; - return tomoyo_path_number_perm(TOMOYO_TYPE_MKDIR, &path, - mode & S_IALLUGO); - } -@@ -202,7 +202,7 @@ static int tomoyo_path_mkdir(struct path *parent, struct dentry *dentry, - */ - static int tomoyo_path_rmdir(struct path *parent, struct dentry *dentry) - { -- struct path path = { parent->mnt, dentry }; -+ struct path path = { .mnt = parent->mnt, .dentry = dentry }; - return tomoyo_path_perm(TOMOYO_TYPE_RMDIR, &path, NULL); - } - -@@ -218,7 +218,7 @@ static int tomoyo_path_rmdir(struct path *parent, struct dentry *dentry) - static int tomoyo_path_symlink(struct path *parent, struct dentry *dentry, - const char *old_name) - { -- struct path path = { parent->mnt, dentry }; -+ struct path path = { .mnt = parent->mnt, .dentry = dentry }; - return tomoyo_path_perm(TOMOYO_TYPE_SYMLINK, &path, old_name); - } - -@@ -235,7 +235,7 @@ static int tomoyo_path_symlink(struct path *parent, struct dentry *dentry, - static int tomoyo_path_mknod(struct path *parent, struct dentry *dentry, - umode_t mode, unsigned int dev) - { -- struct path path = { parent->mnt, dentry }; -+ struct path path = { .mnt = parent->mnt, .dentry = dentry }; - int type = TOMOYO_TYPE_CREATE; - const unsigned int perm = mode & S_IALLUGO; - -@@ -274,8 +274,8 @@ static int tomoyo_path_mknod(struct path *parent, struct dentry *dentry, - static int tomoyo_path_link(struct dentry *old_dentry, struct path *new_dir, - struct dentry *new_dentry) - { -- struct path path1 = { new_dir->mnt, old_dentry }; -- struct path path2 = { new_dir->mnt, new_dentry }; -+ struct path path1 = { .mnt = new_dir->mnt, .dentry = old_dentry }; -+ struct path path2 = { .mnt = new_dir->mnt, .dentry = new_dentry }; - return tomoyo_path2_perm(TOMOYO_TYPE_LINK, &path1, &path2); - } - -@@ -294,8 +294,8 @@ static int tomoyo_path_rename(struct path *old_parent, - struct path *new_parent, - struct dentry *new_dentry) - { -- struct path path1 = { old_parent->mnt, old_dentry }; -- struct path path2 = { new_parent->mnt, new_dentry }; -+ struct path path1 = { .mnt = old_parent->mnt, .dentry = old_dentry }; -+ struct path path2 = { .mnt = new_parent->mnt, .dentry = new_dentry }; - return tomoyo_path2_perm(TOMOYO_TYPE_RENAME, &path1, &path2); - } - -@@ -423,7 +423,7 @@ static int tomoyo_sb_mount(const char *dev_name, struct path *path, - */ - static int tomoyo_sb_umount(struct vfsmount *mnt, int flags) - { -- struct path path = { mnt, mnt->mnt_root }; -+ struct path path = { .mnt = mnt, .dentry = mnt->mnt_root }; - return tomoyo_path_perm(TOMOYO_TYPE_UMOUNT, &path, NULL); - } - -@@ -502,7 +502,7 @@ static int tomoyo_socket_sendmsg(struct socket *sock, struct msghdr *msg, - * tomoyo_security_ops is a "struct security_operations" which is used for - * registering TOMOYO. - */ --static struct security_operations tomoyo_security_ops = { -+static struct security_operations tomoyo_security_ops __read_only = { - .name = "tomoyo", - .cred_alloc_blank = tomoyo_cred_alloc_blank, - .cred_prepare = tomoyo_cred_prepare, -diff --git a/security/yama/Kconfig b/security/yama/Kconfig -index 3123e1d..951f48d 100644 ---- a/security/yama/Kconfig -+++ b/security/yama/Kconfig -@@ -1,6 +1,6 @@ - config SECURITY_YAMA - bool "Yama support" -- depends on SECURITY -+ depends on SECURITY && !GRKERNSEC - default n - help - This selects Yama, which extends DAC support with additional -diff --git a/security/yama/yama_lsm.c b/security/yama/yama_lsm.c -index 24aae2a..81c4548 100644 ---- a/security/yama/yama_lsm.c -+++ b/security/yama/yama_lsm.c -@@ -365,7 +365,7 @@ int yama_ptrace_traceme(struct task_struct *parent) - } - - #ifndef CONFIG_SECURITY_YAMA_STACKED --static struct security_operations yama_ops = { -+static struct security_operations yama_ops __read_only = { - .name = "yama", - - .ptrace_access_check = yama_ptrace_access_check, -@@ -379,7 +379,7 @@ static struct security_operations yama_ops = { - static int yama_dointvec_minmax(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -- struct ctl_table table_copy; -+ ctl_table_no_const table_copy; - - if (write && !capable(CAP_SYS_PTRACE)) - return -EPERM; -diff --git a/sound/aoa/codecs/onyx.c b/sound/aoa/codecs/onyx.c -index 23c371e..da7c25e 100644 ---- a/sound/aoa/codecs/onyx.c -+++ b/sound/aoa/codecs/onyx.c -@@ -54,7 +54,7 @@ struct onyx { - spdif_locked:1, - analog_locked:1, - original_mute:2; -- int open_count; -+ local_t open_count; - struct codec_info *codec_info; - - /* mutex serializes concurrent access to the device -@@ -747,7 +747,7 @@ static int onyx_open(struct codec_info_item *cii, - struct onyx *onyx = cii->codec_data; - - mutex_lock(&onyx->mutex); -- onyx->open_count++; -+ local_inc(&onyx->open_count); - mutex_unlock(&onyx->mutex); - - return 0; -@@ -759,8 +759,7 @@ static int onyx_close(struct codec_info_item *cii, - struct onyx *onyx = cii->codec_data; - - mutex_lock(&onyx->mutex); -- onyx->open_count--; -- if (!onyx->open_count) -+ if (local_dec_and_test(&onyx->open_count)) - onyx->spdif_locked = onyx->analog_locked = 0; - mutex_unlock(&onyx->mutex); - -diff --git a/sound/aoa/codecs/onyx.h b/sound/aoa/codecs/onyx.h -index ffd2025..df062c9 100644 ---- a/sound/aoa/codecs/onyx.h -+++ b/sound/aoa/codecs/onyx.h -@@ -11,6 +11,7 @@ - #include <linux/i2c.h> - #include <asm/pmac_low_i2c.h> - #include <asm/prom.h> -+#include <asm/local.h> - - /* PCM3052 register definitions */ - -diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c -index 58550cc..4687a93 100644 ---- a/sound/core/oss/pcm_oss.c -+++ b/sound/core/oss/pcm_oss.c -@@ -1189,10 +1189,10 @@ snd_pcm_sframes_t snd_pcm_oss_write3(struct snd_pcm_substream *substream, const - if (in_kernel) { - mm_segment_t fs; - fs = snd_enter_user(); -- ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames); -+ ret = snd_pcm_lib_write(substream, (void __force_user *)ptr, frames); - snd_leave_user(fs); - } else { -- ret = snd_pcm_lib_write(substream, (void __force __user *)ptr, frames); -+ ret = snd_pcm_lib_write(substream, (void __force_user *)ptr, frames); - } - if (ret != -EPIPE && ret != -ESTRPIPE) - break; -@@ -1232,10 +1232,10 @@ snd_pcm_sframes_t snd_pcm_oss_read3(struct snd_pcm_substream *substream, char *p - if (in_kernel) { - mm_segment_t fs; - fs = snd_enter_user(); -- ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames); -+ ret = snd_pcm_lib_read(substream, (void __force_user *)ptr, frames); - snd_leave_user(fs); - } else { -- ret = snd_pcm_lib_read(substream, (void __force __user *)ptr, frames); -+ ret = snd_pcm_lib_read(substream, (void __force_user *)ptr, frames); - } - if (ret == -EPIPE) { - if (runtime->status->state == SNDRV_PCM_STATE_DRAINING) { -@@ -1331,7 +1331,7 @@ static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const cha - struct snd_pcm_plugin_channel *channels; - size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_format.channels) / 8; - if (!in_kernel) { -- if (copy_from_user(runtime->oss.buffer, (const char __force __user *)buf, bytes)) -+ if (copy_from_user(runtime->oss.buffer, (const char __force_user *)buf, bytes)) - return -EFAULT; - buf = runtime->oss.buffer; - } -@@ -1401,7 +1401,7 @@ static ssize_t snd_pcm_oss_write1(struct snd_pcm_substream *substream, const cha - } - } else { - tmp = snd_pcm_oss_write2(substream, -- (const char __force *)buf, -+ (const char __force_kernel *)buf, - runtime->oss.period_bytes, 0); - if (tmp <= 0) - goto err; -@@ -1427,7 +1427,7 @@ static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf, - struct snd_pcm_runtime *runtime = substream->runtime; - snd_pcm_sframes_t frames, frames1; - #ifdef CONFIG_SND_PCM_OSS_PLUGINS -- char __user *final_dst = (char __force __user *)buf; -+ char __user *final_dst = (char __force_user *)buf; - if (runtime->oss.plugin_first) { - struct snd_pcm_plugin_channel *channels; - size_t oss_frame_bytes = (runtime->oss.plugin_last->dst_width * runtime->oss.plugin_last->dst_format.channels) / 8; -@@ -1489,7 +1489,7 @@ static ssize_t snd_pcm_oss_read1(struct snd_pcm_substream *substream, char __use - xfer += tmp; - runtime->oss.buffer_used -= tmp; - } else { -- tmp = snd_pcm_oss_read2(substream, (char __force *)buf, -+ tmp = snd_pcm_oss_read2(substream, (char __force_kernel *)buf, - runtime->oss.period_bytes, 0); - if (tmp <= 0) - goto err; -@@ -1658,7 +1658,7 @@ static int snd_pcm_oss_sync(struct snd_pcm_oss_file *pcm_oss_file) - size1); - size1 /= runtime->channels; /* frames */ - fs = snd_enter_user(); -- snd_pcm_lib_write(substream, (void __force __user *)runtime->oss.buffer, size1); -+ snd_pcm_lib_write(substream, (void __force_user *)runtime->oss.buffer, size1); - snd_leave_user(fs); - } - } else if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED) { -diff --git a/sound/core/pcm_compat.c b/sound/core/pcm_compat.c -index b48b434..e2ba787 100644 ---- a/sound/core/pcm_compat.c -+++ b/sound/core/pcm_compat.c -@@ -31,7 +31,7 @@ static int snd_pcm_ioctl_delay_compat(struct snd_pcm_substream *substream, - int err; - - fs = snd_enter_user(); -- err = snd_pcm_delay(substream, &delay); -+ err = snd_pcm_delay(substream, (snd_pcm_sframes_t __force_user *)&delay); - snd_leave_user(fs); - if (err < 0) - return err; -diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c -index 75888dd..c940854 100644 ---- a/sound/core/pcm_native.c -+++ b/sound/core/pcm_native.c -@@ -3004,11 +3004,11 @@ int snd_pcm_kernel_ioctl(struct snd_pcm_substream *substream, - switch (substream->stream) { - case SNDRV_PCM_STREAM_PLAYBACK: - result = snd_pcm_playback_ioctl1(NULL, substream, cmd, -- (void __user *)arg); -+ (void __force_user *)arg); - break; - case SNDRV_PCM_STREAM_CAPTURE: - result = snd_pcm_capture_ioctl1(NULL, substream, cmd, -- (void __user *)arg); -+ (void __force_user *)arg); - break; - default: - result = -EINVAL; -diff --git a/sound/core/sound.c b/sound/core/sound.c -index 5fc93d0..67d8037 100644 ---- a/sound/core/sound.c -+++ b/sound/core/sound.c -@@ -86,7 +86,7 @@ static void snd_request_other(int minor) - case SNDRV_MINOR_TIMER: str = "snd-timer"; break; - default: return; - } -- request_module(str); -+ request_module("%s", str); - } - - #endif /* modular kernel */ -diff --git a/sound/drivers/mts64.c b/sound/drivers/mts64.c -index 2a008a9..a1efb3f 100644 ---- a/sound/drivers/mts64.c -+++ b/sound/drivers/mts64.c -@@ -29,6 +29,7 @@ - #include <sound/initval.h> - #include <sound/rawmidi.h> - #include <sound/control.h> -+#include <asm/local.h> - - #define CARD_NAME "Miditerminal 4140" - #define DRIVER_NAME "MTS64" -@@ -67,7 +68,7 @@ struct mts64 { - struct pardevice *pardev; - int pardev_claimed; - -- int open_count; -+ local_t open_count; - int current_midi_output_port; - int current_midi_input_port; - u8 mode[MTS64_NUM_INPUT_PORTS]; -@@ -687,7 +688,7 @@ static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream) - { - struct mts64 *mts = substream->rmidi->private_data; - -- if (mts->open_count == 0) { -+ if (local_read(&mts->open_count) == 0) { - /* We don't need a spinlock here, because this is just called - if the device has not been opened before. - So there aren't any IRQs from the device */ -@@ -695,7 +696,7 @@ static int snd_mts64_rawmidi_open(struct snd_rawmidi_substream *substream) - - msleep(50); - } -- ++(mts->open_count); -+ local_inc(&mts->open_count); - - return 0; - } -@@ -705,8 +706,7 @@ static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream) - struct mts64 *mts = substream->rmidi->private_data; - unsigned long flags; - -- --(mts->open_count); -- if (mts->open_count == 0) { -+ if (local_dec_return(&mts->open_count) == 0) { - /* We need the spinlock_irqsave here because we can still - have IRQs at this point */ - spin_lock_irqsave(&mts->lock, flags); -@@ -715,8 +715,8 @@ static int snd_mts64_rawmidi_close(struct snd_rawmidi_substream *substream) - - msleep(500); - -- } else if (mts->open_count < 0) -- mts->open_count = 0; -+ } else if (local_read(&mts->open_count) < 0) -+ local_set(&mts->open_count, 0); - - return 0; - } -diff --git a/sound/drivers/opl4/opl4_lib.c b/sound/drivers/opl4/opl4_lib.c -index 3b0ee42..8423ad6 100644 ---- a/sound/drivers/opl4/opl4_lib.c -+++ b/sound/drivers/opl4/opl4_lib.c -@@ -29,7 +29,7 @@ MODULE_AUTHOR("Clemens Ladisch clemens@ladisch.de"); - MODULE_DESCRIPTION("OPL4 driver"); - MODULE_LICENSE("GPL"); - --static void inline snd_opl4_wait(struct snd_opl4 *opl4) -+static inline void snd_opl4_wait(struct snd_opl4 *opl4) - { - int timeout = 10; - while ((inb(opl4->fm_port) & OPL4_STATUS_BUSY) && --timeout > 0) -diff --git a/sound/drivers/portman2x4.c b/sound/drivers/portman2x4.c -index 464385a..46ab3f6 100644 ---- a/sound/drivers/portman2x4.c -+++ b/sound/drivers/portman2x4.c -@@ -48,6 +48,7 @@ - #include <sound/initval.h> - #include <sound/rawmidi.h> - #include <sound/control.h> -+#include <asm/local.h> - - #define CARD_NAME "Portman 2x4" - #define DRIVER_NAME "portman" -@@ -85,7 +86,7 @@ struct portman { - struct pardevice *pardev; - int pardev_claimed; - -- int open_count; -+ local_t open_count; - int mode[PORTMAN_NUM_INPUT_PORTS]; - struct snd_rawmidi_substream *midi_input[PORTMAN_NUM_INPUT_PORTS]; - }; -diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c -index bf20593..dec8a14 100644 ---- a/sound/firewire/amdtp.c -+++ b/sound/firewire/amdtp.c -@@ -573,7 +573,7 @@ static void update_pcm_pointers(struct amdtp_stream *s, - ptr = s->pcm_buffer_pointer + frames; - if (ptr >= pcm->runtime->buffer_size) - ptr -= pcm->runtime->buffer_size; -- ACCESS_ONCE(s->pcm_buffer_pointer) = ptr; -+ ACCESS_ONCE_RW(s->pcm_buffer_pointer) = ptr; - - s->pcm_period_pointer += frames; - if (s->pcm_period_pointer >= pcm->runtime->period_size) { -@@ -1014,7 +1014,7 @@ EXPORT_SYMBOL(amdtp_stream_pcm_pointer); - */ - void amdtp_stream_update(struct amdtp_stream *s) - { -- ACCESS_ONCE(s->source_node_id_field) = -+ ACCESS_ONCE_RW(s->source_node_id_field) = - (fw_parent_device(s->unit)->card->node_id & 0x3f) << 24; - } - EXPORT_SYMBOL(amdtp_stream_update); -diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h -index 25c9055..e861b6a 100644 ---- a/sound/firewire/amdtp.h -+++ b/sound/firewire/amdtp.h -@@ -233,7 +233,7 @@ static inline bool amdtp_stream_pcm_running(struct amdtp_stream *s) - static inline void amdtp_stream_pcm_trigger(struct amdtp_stream *s, - struct snd_pcm_substream *pcm) - { -- ACCESS_ONCE(s->pcm) = pcm; -+ ACCESS_ONCE_RW(s->pcm) = pcm; - } - - /** -@@ -251,7 +251,7 @@ static inline void amdtp_stream_midi_trigger(struct amdtp_stream *s, - struct snd_rawmidi_substream *midi) - { - if (port < s->midi_ports) -- ACCESS_ONCE(s->midi[port]) = midi; -+ ACCESS_ONCE_RW(s->midi[port]) = midi; - } - - static inline bool cip_sfc_is_base_44100(enum cip_sfc sfc) -diff --git a/sound/firewire/isight.c b/sound/firewire/isight.c -index 48d6dca..a0266c23 100644 ---- a/sound/firewire/isight.c -+++ b/sound/firewire/isight.c -@@ -96,7 +96,7 @@ static void isight_update_pointers(struct isight *isight, unsigned int count) - ptr += count; - if (ptr >= runtime->buffer_size) - ptr -= runtime->buffer_size; -- ACCESS_ONCE(isight->buffer_pointer) = ptr; -+ ACCESS_ONCE_RW(isight->buffer_pointer) = ptr; - - isight->period_counter += count; - if (isight->period_counter >= runtime->period_size) { -@@ -293,7 +293,7 @@ static int isight_hw_params(struct snd_pcm_substream *substream, - if (err < 0) - return err; - -- ACCESS_ONCE(isight->pcm_active) = true; -+ ACCESS_ONCE_RW(isight->pcm_active) = true; - - return 0; - } -@@ -331,7 +331,7 @@ static int isight_hw_free(struct snd_pcm_substream *substream) - { - struct isight *isight = substream->private_data; - -- ACCESS_ONCE(isight->pcm_active) = false; -+ ACCESS_ONCE_RW(isight->pcm_active) = false; - - mutex_lock(&isight->mutex); - isight_stop_streaming(isight); -@@ -424,10 +424,10 @@ static int isight_trigger(struct snd_pcm_substream *substream, int cmd) - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: -- ACCESS_ONCE(isight->pcm_running) = true; -+ ACCESS_ONCE_RW(isight->pcm_running) = true; - break; - case SNDRV_PCM_TRIGGER_STOP: -- ACCESS_ONCE(isight->pcm_running) = false; -+ ACCESS_ONCE_RW(isight->pcm_running) = false; - break; - default: - return -EINVAL; -diff --git a/sound/firewire/scs1x.c b/sound/firewire/scs1x.c -index 2dba848..c682aef 100644 ---- a/sound/firewire/scs1x.c -+++ b/sound/firewire/scs1x.c -@@ -74,7 +74,7 @@ static void scs_output_trigger(struct snd_rawmidi_substream *stream, int up) - { - struct scs *scs = stream->rmidi->private_data; - -- ACCESS_ONCE(scs->output) = up ? stream : NULL; -+ ACCESS_ONCE_RW(scs->output) = up ? stream : NULL; - if (up) { - scs->output_idle = false; - tasklet_schedule(&scs->tasklet); -@@ -257,7 +257,7 @@ static void scs_input_trigger(struct snd_rawmidi_substream *stream, int up) - { - struct scs *scs = stream->rmidi->private_data; - -- ACCESS_ONCE(scs->input) = up ? stream : NULL; -+ ACCESS_ONCE_RW(scs->input) = up ? stream : NULL; - } - - static void scs_input_escaped_byte(struct snd_rawmidi_substream *stream, -@@ -473,8 +473,8 @@ static void scs_remove(struct fw_unit *unit) - - snd_card_disconnect(scs->card); - -- ACCESS_ONCE(scs->output) = NULL; -- ACCESS_ONCE(scs->input) = NULL; -+ ACCESS_ONCE_RW(scs->output) = NULL; -+ ACCESS_ONCE_RW(scs->input) = NULL; - - wait_event(scs->idle_wait, scs->output_idle); - -diff --git a/sound/oss/sb_audio.c b/sound/oss/sb_audio.c -index 048439a..3be9f6f 100644 ---- a/sound/oss/sb_audio.c -+++ b/sound/oss/sb_audio.c -@@ -904,7 +904,7 @@ sb16_copy_from_user(int dev, - buf16 = (signed short *)(localbuf + localoffs); - while (c) - { -- locallen = (c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c); -+ locallen = ((unsigned)c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c); - if (copy_from_user(lbuf8, - userbuf+useroffs + p, - locallen)) -diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c -index 213a416..aeab5c9 100644 ---- a/sound/oss/swarm_cs4297a.c -+++ b/sound/oss/swarm_cs4297a.c -@@ -2623,7 +2623,6 @@ static int __init cs4297a_init(void) - { - struct cs4297a_state *s; - u32 pwr, id; -- mm_segment_t fs; - int rval; - u64 cfg; - int mdio_val; -@@ -2709,22 +2708,23 @@ static int __init cs4297a_init(void) - if (!rval) { - char *sb1250_duart_present; - -+#if 0 -+ mm_segment_t fs; - fs = get_fs(); - set_fs(KERNEL_DS); --#if 0 - val = SOUND_MASK_LINE; - mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long) &val); - for (i = 0; i < ARRAY_SIZE(initvol); i++) { - val = initvol[i].vol; - mixer_ioctl(s, initvol[i].mixch, (unsigned long) &val); - } -+ set_fs(fs); - // cs4297a_write_ac97(s, 0x18, 0x0808); - #else - // cs4297a_write_ac97(s, 0x5e, 0x180); - cs4297a_write_ac97(s, 0x02, 0x0808); - cs4297a_write_ac97(s, 0x18, 0x0808); - #endif -- set_fs(fs); - - list_add(&s->list, &cs4297a_devs); - -diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c -index 36e8f12..9571f49 100644 ---- a/sound/pci/hda/hda_codec.c -+++ b/sound/pci/hda/hda_codec.c -@@ -1946,7 +1946,7 @@ static int get_kctl_0dB_offset(struct hda_codec *codec, - /* FIXME: set_fs() hack for obtaining user-space TLV data */ - mm_segment_t fs = get_fs(); - set_fs(get_ds()); -- if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), _tlv)) -+ if (!kctl->tlv.c(kctl, 0, sizeof(_tlv), (unsigned int __force_user *)_tlv)) - tlv = _tlv; - set_fs(fs); - } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ) -diff --git a/sound/pci/ymfpci/ymfpci.h b/sound/pci/ymfpci/ymfpci.h -index 149d4cb..7784769 100644 ---- a/sound/pci/ymfpci/ymfpci.h -+++ b/sound/pci/ymfpci/ymfpci.h -@@ -358,7 +358,7 @@ struct snd_ymfpci { - spinlock_t reg_lock; - spinlock_t voice_lock; - wait_queue_head_t interrupt_sleep; -- atomic_t interrupt_sleep_count; -+ atomic_unchecked_t interrupt_sleep_count; - struct snd_info_entry *proc_entry; - const struct firmware *dsp_microcode; - const struct firmware *controller_microcode; -diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c -index 4c26076..a13f370 100644 ---- a/sound/pci/ymfpci/ymfpci_main.c -+++ b/sound/pci/ymfpci/ymfpci_main.c -@@ -204,8 +204,8 @@ static void snd_ymfpci_hw_stop(struct snd_ymfpci *chip) - if ((snd_ymfpci_readl(chip, YDSXGR_STATUS) & 2) == 0) - break; - } -- if (atomic_read(&chip->interrupt_sleep_count)) { -- atomic_set(&chip->interrupt_sleep_count, 0); -+ if (atomic_read_unchecked(&chip->interrupt_sleep_count)) { -+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0); - wake_up(&chip->interrupt_sleep); - } - __end: -@@ -789,7 +789,7 @@ static void snd_ymfpci_irq_wait(struct snd_ymfpci *chip) - continue; - init_waitqueue_entry(&wait, current); - add_wait_queue(&chip->interrupt_sleep, &wait); -- atomic_inc(&chip->interrupt_sleep_count); -+ atomic_inc_unchecked(&chip->interrupt_sleep_count); - schedule_timeout_uninterruptible(msecs_to_jiffies(50)); - remove_wait_queue(&chip->interrupt_sleep, &wait); - } -@@ -827,8 +827,8 @@ static irqreturn_t snd_ymfpci_interrupt(int irq, void *dev_id) - snd_ymfpci_writel(chip, YDSXGR_MODE, mode); - spin_unlock(&chip->reg_lock); - -- if (atomic_read(&chip->interrupt_sleep_count)) { -- atomic_set(&chip->interrupt_sleep_count, 0); -+ if (atomic_read_unchecked(&chip->interrupt_sleep_count)) { -+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0); - wake_up(&chip->interrupt_sleep); - } - } -@@ -2384,7 +2384,7 @@ int snd_ymfpci_create(struct snd_card *card, - spin_lock_init(&chip->reg_lock); - spin_lock_init(&chip->voice_lock); - init_waitqueue_head(&chip->interrupt_sleep); -- atomic_set(&chip->interrupt_sleep_count, 0); -+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0); - chip->card = card; - chip->pci = pci; - chip->irq = -1; -diff --git a/sound/soc/soc-ac97.c b/sound/soc/soc-ac97.c -index 08d7259..0336224 100644 ---- a/sound/soc/soc-ac97.c -+++ b/sound/soc/soc-ac97.c -@@ -271,8 +271,10 @@ int snd_soc_set_ac97_ops_of_reset(struct snd_ac97_bus_ops *ops, - if (ret) - return ret; - -- ops->warm_reset = snd_soc_ac97_warm_reset; -- ops->reset = snd_soc_ac97_reset; -+ pax_open_kernel(); -+ *(void **)&ops->warm_reset = snd_soc_ac97_warm_reset; -+ *(void **)&ops->reset = snd_soc_ac97_reset; -+ pax_close_kernel(); - - snd_ac97_rst_cfg = cfg; - return 0; -diff --git a/sound/soc/xtensa/xtfpga-i2s.c b/sound/soc/xtensa/xtfpga-i2s.c -index 1cfb19e..6e5731a 100644 ---- a/sound/soc/xtensa/xtfpga-i2s.c -+++ b/sound/soc/xtensa/xtfpga-i2s.c -@@ -437,7 +437,7 @@ static int xtfpga_pcm_trigger(struct snd_pcm_substream *substream, int cmd) - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: -- ACCESS_ONCE(i2s->tx_ptr) = 0; -+ ACCESS_ONCE_RW(i2s->tx_ptr) = 0; - rcu_assign_pointer(i2s->tx_substream, substream); - xtfpga_pcm_refill_fifo(i2s); - break; -diff --git a/sound/synth/emux/emux_seq.c b/sound/synth/emux/emux_seq.c -index a020920..55579f6 100644 ---- a/sound/synth/emux/emux_seq.c -+++ b/sound/synth/emux/emux_seq.c -@@ -33,13 +33,13 @@ static int snd_emux_unuse(void *private_data, struct snd_seq_port_subscribe *inf - * MIDI emulation operators - */ - static struct snd_midi_op emux_ops = { -- snd_emux_note_on, -- snd_emux_note_off, -- snd_emux_key_press, -- snd_emux_terminate_note, -- snd_emux_control, -- snd_emux_nrpn, -- snd_emux_sysex, -+ .note_on = snd_emux_note_on, -+ .note_off = snd_emux_note_off, -+ .key_press = snd_emux_key_press, -+ .note_terminate = snd_emux_terminate_note, -+ .control = snd_emux_control, -+ .nrpn = snd_emux_nrpn, -+ .sysex = snd_emux_sysex, - }; - - -diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c -index 81b7da8..bb2676f 100644 ---- a/sound/usb/line6/driver.c -+++ b/sound/usb/line6/driver.c -@@ -307,7 +307,7 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data, - { - struct usb_device *usbdev = line6->usbdev; - int ret; -- unsigned char len; -+ unsigned char *plen; - unsigned count; - - if (address > 0xffff || datalen > 0xff) -@@ -324,6 +324,10 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data, - return ret; - } - -+ plen = kmalloc(1, GFP_KERNEL); -+ if (plen == NULL) -+ return -ENOMEM; -+ - /* Wait for data length. We'll get 0xff until length arrives. */ - for (count = 0; count < LINE6_READ_WRITE_MAX_RETRIES; count++) { - mdelay(LINE6_READ_WRITE_STATUS_DELAY); -@@ -331,30 +335,35 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data, - ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | - USB_DIR_IN, -- 0x0012, 0x0000, &len, 1, -+ 0x0012, 0x0000, plen, 1, - LINE6_TIMEOUT * HZ); - if (ret < 0) { - dev_err(line6->ifcdev, - "receive length failed (error %d)\n", ret); -+ kfree(plen); - return ret; - } - -- if (len != 0xff) -+ if (*plen != 0xff) - break; - } - -- if (len == 0xff) { -+ if (*plen == 0xff) { - dev_err(line6->ifcdev, "read failed after %d retries\n", - count); -+ kfree(plen); - return -EIO; -- } else if (len != datalen) { -+ } else if (*plen != datalen) { - /* should be equal or something went wrong */ - dev_err(line6->ifcdev, - "length mismatch (expected %d, got %d)\n", -- (int)datalen, (int)len); -+ (int)datalen, (int)*plen); -+ kfree(plen); - return -EIO; - } - -+ kfree(plen); -+ - /* receive the result: */ - ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, -@@ -378,7 +387,7 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data, - { - struct usb_device *usbdev = line6->usbdev; - int ret; -- unsigned char status; -+ unsigned char *status; - int count; - - if (address > 0xffff || datalen > 0xffff) -@@ -395,6 +404,10 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data, - return ret; - } - -+ status = kmalloc(1, GFP_KERNEL); -+ if (status == NULL) -+ return -ENOMEM; -+ - for (count = 0; count < LINE6_READ_WRITE_MAX_RETRIES; count++) { - mdelay(LINE6_READ_WRITE_STATUS_DELAY); - -@@ -403,27 +416,32 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data, - USB_TYPE_VENDOR | USB_RECIP_DEVICE | - USB_DIR_IN, - 0x0012, 0x0000, -- &status, 1, LINE6_TIMEOUT * HZ); -+ status, 1, LINE6_TIMEOUT * HZ); - - if (ret < 0) { - dev_err(line6->ifcdev, - "receiving status failed (error %d)\n", ret); -+ kfree(status); - return ret; - } - -- if (status != 0xff) -+ if (*status != 0xff) - break; - } - -- if (status == 0xff) { -+ if (*status == 0xff) { - dev_err(line6->ifcdev, "write failed after %d retries\n", - count); -+ kfree(status); - return -EIO; -- } else if (status != 0) { -+ } else if (*status != 0) { - dev_err(line6->ifcdev, "write failed (error %d)\n", ret); -+ kfree(status); - return -EIO; - } - -+ kfree(status); -+ - return 0; - } - EXPORT_SYMBOL_GPL(line6_write_data); -diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c -index 6d4c50c..aa658c8 100644 ---- a/sound/usb/line6/toneport.c -+++ b/sound/usb/line6/toneport.c -@@ -367,13 +367,19 @@ static bool toneport_has_source_select(struct usb_line6_toneport *toneport) - */ - static void toneport_setup(struct usb_line6_toneport *toneport) - { -- int ticks; -+ int *ticks; - struct usb_line6 *line6 = &toneport->line6; - struct usb_device *usbdev = line6->usbdev; - -+ ticks = kmalloc(sizeof(int), GFP_KERNEL); -+ if (ticks == NULL) -+ return; -+ - /* sync time on device with host: */ -- ticks = (int)get_seconds(); -- line6_write_data(line6, 0x80c6, &ticks, 4); -+ *ticks = (int)get_seconds(); -+ line6_write_data(line6, 0x80c6, ticks, sizeof(int)); -+ -+ kfree(ticks); - - /* enable device: */ - toneport_send_cmd(usbdev, 0x0301, 0x0000); -diff --git a/tools/gcc/.gitignore b/tools/gcc/.gitignore -new file mode 100644 -index 0000000..de92ed9 ---- /dev/null -+++ b/tools/gcc/.gitignore -@@ -0,0 +1 @@ -+randomize_layout_seed.h -diff --git a/tools/gcc/Makefile b/tools/gcc/Makefile -new file mode 100644 -index 0000000..4945d82 ---- /dev/null -+++ b/tools/gcc/Makefile -@@ -0,0 +1,54 @@ -+#CC := gcc -+#PLUGIN_SOURCE_FILES := pax_plugin.c -+#PLUGIN_OBJECT_FILES := $(patsubst %.c,%.o,$(PLUGIN_SOURCE_FILES)) -+GCCPLUGINS_DIR := $(shell $(CC) -print-file-name=plugin) -+#CFLAGS += -I$(GCCPLUGINS_DIR)/include -fPIC -O2 -Wall -W -std=gnu99 -+ -+ifeq ($(PLUGINCC),$(HOSTCC)) -+HOSTLIBS := hostlibs -+HOST_EXTRACFLAGS += -I$(GCCPLUGINS_DIR)/include -I$(src) -std=gnu99 -ggdb -+export HOST_EXTRACFLAGS -+else -+HOSTLIBS := hostcxxlibs -+HOST_EXTRACXXFLAGS += -I$(GCCPLUGINS_DIR)/include -I$(src) -std=gnu++98 -fno-rtti -fno-exceptions -fasynchronous-unwind-tables -ggdb -Wno-unused-parameter -Wno-narrowing -Wno-unused-variable -+export HOST_EXTRACXXFLAGS -+endif -+ -+export GCCPLUGINS_DIR HOSTLIBS -+ -+$(HOSTLIBS)-$(CONFIG_PAX_CONSTIFY_PLUGIN) := constify_plugin.so -+$(HOSTLIBS)-$(CONFIG_PAX_MEMORY_STACKLEAK) += stackleak_plugin.so -+$(HOSTLIBS)-$(CONFIG_KALLOCSTAT_PLUGIN) += kallocstat_plugin.so -+$(HOSTLIBS)-$(CONFIG_PAX_KERNEXEC_PLUGIN) += kernexec_plugin.so -+$(HOSTLIBS)-$(CONFIG_CHECKER_PLUGIN) += checker_plugin.so -+$(HOSTLIBS)-y += colorize_plugin.so -+$(HOSTLIBS)-$(CONFIG_PAX_LATENT_ENTROPY) += latent_entropy_plugin.so -+$(HOSTLIBS)-$(CONFIG_PAX_MEMORY_STRUCTLEAK) += structleak_plugin.so -+$(HOSTLIBS)-y += initify_plugin.so -+$(HOSTLIBS)-$(CONFIG_GRKERNSEC_RANDSTRUCT) += randomize_layout_plugin.so -+ -+subdir-$(CONFIG_PAX_SIZE_OVERFLOW) := size_overflow_plugin -+subdir- += size_overflow_plugin -+ -+always := $($(HOSTLIBS)-y) -+ -+constify_plugin-objs := constify_plugin.o -+stackleak_plugin-objs := stackleak_plugin.o -+kallocstat_plugin-objs := kallocstat_plugin.o -+kernexec_plugin-objs := kernexec_plugin.o -+checker_plugin-objs := checker_plugin.o -+colorize_plugin-objs := colorize_plugin.o -+latent_entropy_plugin-objs := latent_entropy_plugin.o -+structleak_plugin-objs := structleak_plugin.o -+initify_plugin-objs := initify_plugin.o -+randomize_layout_plugin-objs := randomize_layout_plugin.o -+ -+$(obj)/randomize_layout_plugin.o: $(objtree)/$(obj)/randomize_layout_seed.h -+ -+quiet_cmd_create_randomize_layout_seed = GENSEED $@ -+ cmd_create_randomize_layout_seed = \ -+ $(CONFIG_SHELL) $(srctree)/$(src)/gen-random-seed.sh $@ $(objtree)/include/generated/randomize_layout_hash.h -+$(objtree)/$(obj)/randomize_layout_seed.h: FORCE -+ $(call if_changed,create_randomize_layout_seed) -+ -+targets += randomize_layout_seed.h randomize_layout_hash.h -diff --git a/tools/gcc/checker_plugin.c b/tools/gcc/checker_plugin.c -new file mode 100644 -index 0000000..5452feea ---- /dev/null -+++ b/tools/gcc/checker_plugin.c -@@ -0,0 +1,150 @@ -+/* -+ * Copyright 2011-2014 by the PaX Team pageexec@freemail.hu -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to implement various sparse (source code checker) features -+ * -+ * TODO: -+ * - define separate __iomem, __percpu and __rcu address spaces (lots of code to patch) -+ * -+ * BUGS: -+ * - none known -+ */ -+ -+#include "gcc-common.h" -+ -+extern void c_register_addr_space (const char *str, addr_space_t as); -+extern enum machine_mode default_addr_space_pointer_mode (addr_space_t); -+extern enum machine_mode default_addr_space_address_mode (addr_space_t); -+extern bool default_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as); -+extern bool default_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as); -+extern rtx default_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as); -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info checker_plugin_info = { -+ .version = "201304082245", -+ .help = NULL, -+}; -+ -+#define ADDR_SPACE_KERNEL 0 -+#define ADDR_SPACE_FORCE_KERNEL 1 -+#define ADDR_SPACE_USER 2 -+#define ADDR_SPACE_FORCE_USER 3 -+#define ADDR_SPACE_IOMEM 0 -+#define ADDR_SPACE_FORCE_IOMEM 0 -+#define ADDR_SPACE_PERCPU 0 -+#define ADDR_SPACE_FORCE_PERCPU 0 -+#define ADDR_SPACE_RCU 0 -+#define ADDR_SPACE_FORCE_RCU 0 -+ -+static enum machine_mode checker_addr_space_pointer_mode(addr_space_t addrspace) -+{ -+ return default_addr_space_pointer_mode(ADDR_SPACE_GENERIC); -+} -+ -+static enum machine_mode checker_addr_space_address_mode(addr_space_t addrspace) -+{ -+ return default_addr_space_address_mode(ADDR_SPACE_GENERIC); -+} -+ -+static bool checker_addr_space_valid_pointer_mode(enum machine_mode mode, addr_space_t as) -+{ -+ return default_addr_space_valid_pointer_mode(mode, as); -+} -+ -+static bool checker_addr_space_legitimate_address_p(enum machine_mode mode, rtx mem, bool strict, addr_space_t as) -+{ -+ return default_addr_space_legitimate_address_p(mode, mem, strict, ADDR_SPACE_GENERIC); -+} -+ -+static rtx checker_addr_space_legitimize_address(rtx x, rtx oldx, enum machine_mode mode, addr_space_t as) -+{ -+ return default_addr_space_legitimize_address(x, oldx, mode, as); -+} -+ -+static bool checker_addr_space_subset_p(addr_space_t subset, addr_space_t superset) -+{ -+ if (subset == ADDR_SPACE_FORCE_KERNEL && superset == ADDR_SPACE_KERNEL) -+ return true; -+ -+ if (subset == ADDR_SPACE_FORCE_USER && superset == ADDR_SPACE_USER) -+ return true; -+ -+ if (subset == ADDR_SPACE_FORCE_IOMEM && superset == ADDR_SPACE_IOMEM) -+ return true; -+ -+ if (subset == ADDR_SPACE_KERNEL && superset == ADDR_SPACE_FORCE_USER) -+ return true; -+ -+ if (subset == ADDR_SPACE_KERNEL && superset == ADDR_SPACE_FORCE_IOMEM) -+ return true; -+ -+ if (subset == ADDR_SPACE_USER && superset == ADDR_SPACE_FORCE_KERNEL) -+ return true; -+ -+ if (subset == ADDR_SPACE_IOMEM && superset == ADDR_SPACE_FORCE_KERNEL) -+ return true; -+ -+ return subset == superset; -+} -+ -+static rtx checker_addr_space_convert(rtx op, tree from_type, tree to_type) -+{ -+// addr_space_t from_as = TYPE_ADDR_SPACE(TREE_TYPE(from_type)); -+// addr_space_t to_as = TYPE_ADDR_SPACE(TREE_TYPE(to_type)); -+ -+ return op; -+} -+ -+static void register_checker_address_spaces(void *event_data, void *data) -+{ -+ c_register_addr_space("__kernel", ADDR_SPACE_KERNEL); -+ c_register_addr_space("__force_kernel", ADDR_SPACE_FORCE_KERNEL); -+ c_register_addr_space("__user", ADDR_SPACE_USER); -+ c_register_addr_space("__force_user", ADDR_SPACE_FORCE_USER); -+// c_register_addr_space("__iomem", ADDR_SPACE_IOMEM); -+// c_register_addr_space("__force_iomem", ADDR_SPACE_FORCE_IOMEM); -+// c_register_addr_space("__percpu", ADDR_SPACE_PERCPU); -+// c_register_addr_space("__force_percpu", ADDR_SPACE_FORCE_PERCPU); -+// c_register_addr_space("__rcu", ADDR_SPACE_RCU); -+// c_register_addr_space("__force_rcu", ADDR_SPACE_FORCE_RCU); -+ -+ targetm.addr_space.pointer_mode = checker_addr_space_pointer_mode; -+ targetm.addr_space.address_mode = checker_addr_space_address_mode; -+ targetm.addr_space.valid_pointer_mode = checker_addr_space_valid_pointer_mode; -+ targetm.addr_space.legitimate_address_p = checker_addr_space_legitimate_address_p; -+// targetm.addr_space.legitimize_address = checker_addr_space_legitimize_address; -+ targetm.addr_space.subset_p = checker_addr_space_subset_p; -+ targetm.addr_space.convert = checker_addr_space_convert; -+} -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ int i; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &checker_plugin_info); -+ -+ for (i = 0; i < argc; ++i) -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ -+ if (TARGET_64BIT == 0) -+ return 0; -+ -+ register_callback(plugin_name, PLUGIN_PRAGMAS, register_checker_address_spaces, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/colorize_plugin.c b/tools/gcc/colorize_plugin.c -new file mode 100644 -index 0000000..0c96d8a ---- /dev/null -+++ b/tools/gcc/colorize_plugin.c -@@ -0,0 +1,215 @@ -+/* -+ * Copyright 2012-2015 by PaX Team pageexec@freemail.hu -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to colorize diagnostic output -+ * -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info colorize_plugin_info = { -+ .version = "201404202350", -+ .help = "color=[never|always|auto]\tdetermine when to colorize\n", -+}; -+ -+#define GREEN "\033[32m\033[K" -+#define LIGHTGREEN "\033[1;32m\033[K" -+#define YELLOW "\033[33m\033[K" -+#define LIGHTYELLOW "\033[1;33m\033[K" -+#define RED "\033[31m\033[K" -+#define LIGHTRED "\033[1;31m\033[K" -+#define BLUE "\033[34m\033[K" -+#define LIGHTBLUE "\033[1;34m\033[K" -+#define BRIGHT "\033[1;m\033[K" -+#define NORMAL "\033[m\033[K" -+ -+static diagnostic_starter_fn old_starter; -+static diagnostic_finalizer_fn old_finalizer; -+ -+static void start_colorize(diagnostic_context *context, diagnostic_info *diagnostic) -+{ -+ const char *color; -+ char *newprefix; -+ -+ switch (diagnostic->kind) { -+ case DK_NOTE: -+ color = LIGHTBLUE; -+ break; -+ -+ case DK_PEDWARN: -+ case DK_WARNING: -+ color = LIGHTYELLOW; -+ break; -+ -+ case DK_ERROR: -+ case DK_FATAL: -+ case DK_ICE: -+ case DK_PERMERROR: -+ case DK_SORRY: -+ color = LIGHTRED; -+ break; -+ -+ default: -+ color = NORMAL; -+ } -+ -+ old_starter(context, diagnostic); -+ if (-1 == asprintf(&newprefix, "%s%s" NORMAL, color, context->printer->prefix)) -+ return; -+ pp_destroy_prefix(context->printer); -+ pp_set_prefix(context->printer, newprefix); -+} -+ -+static void finalize_colorize(diagnostic_context *context, diagnostic_info *diagnostic) -+{ -+ old_finalizer(context, diagnostic); -+} -+ -+static void colorize_arm(void) -+{ -+ old_starter = diagnostic_starter(global_dc); -+ old_finalizer = diagnostic_finalizer(global_dc); -+ -+ diagnostic_starter(global_dc) = start_colorize; -+ diagnostic_finalizer(global_dc) = finalize_colorize; -+} -+ -+static unsigned int execute_colorize_rearm(void) -+{ -+ if (diagnostic_starter(global_dc) == start_colorize) -+ return 0; -+ -+ colorize_arm(); -+ return 0; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data colorize_rearm_pass_data = { -+#else -+struct simple_ipa_opt_pass colorize_rearm_pass = { -+ .pass = { -+#endif -+ .type = SIMPLE_IPA_PASS, -+ .name = "colorize_rearm", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = execute_colorize_rearm, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0 -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class colorize_rearm_pass : public simple_ipa_opt_pass { -+public: -+ colorize_rearm_pass() : simple_ipa_opt_pass(colorize_rearm_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return execute_colorize_rearm(); } -+#else -+ unsigned int execute() { return execute_colorize_rearm(); } -+#endif -+}; -+} -+ -+static opt_pass *make_colorize_rearm_pass(void) -+{ -+ return new colorize_rearm_pass(); -+} -+#else -+static struct opt_pass *make_colorize_rearm_pass(void) -+{ -+ return &colorize_rearm_pass.pass; -+} -+#endif -+ -+static void colorize_start_unit(void *gcc_data, void *user_data) -+{ -+ colorize_arm(); -+} -+ -+static bool should_colorize(void) -+{ -+#if BUILDING_GCC_VERSION >= 4009 -+ return false; -+#else -+ char const *t = getenv("TERM"); -+ -+ return t && strcmp(t, "dumb") && isatty(STDERR_FILENO); -+#endif -+} -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ int i; -+ struct register_pass_info colorize_rearm_pass_info; -+ bool colorize; -+ -+ colorize_rearm_pass_info.pass = make_colorize_rearm_pass(); -+ colorize_rearm_pass_info.reference_pass_name = "*free_lang_data"; -+ colorize_rearm_pass_info.ref_pass_instance_number = 1; -+ colorize_rearm_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &colorize_plugin_info); -+ -+ colorize = getenv("GCC_COLORS") ? should_colorize() : false; -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "color")) { -+ if (!argv[i].value) { -+ error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ continue; -+ } -+ if (!strcmp(argv[i].value, "always")) -+ colorize = true; -+ else if (!strcmp(argv[i].value, "never")) -+ colorize = false; -+ else if (!strcmp(argv[i].value, "auto")) -+ colorize = should_colorize(); -+ else -+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value); -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ if (colorize) { -+ // TODO: parse GCC_COLORS as used by gcc 4.9+ -+ register_callback(plugin_name, PLUGIN_START_UNIT, &colorize_start_unit, NULL); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &colorize_rearm_pass_info); -+ } -+ return 0; -+} -diff --git a/tools/gcc/constify_plugin.c b/tools/gcc/constify_plugin.c -new file mode 100644 -index 0000000..b884a56 ---- /dev/null -+++ b/tools/gcc/constify_plugin.c -@@ -0,0 +1,564 @@ -+/* -+ * Copyright 2011 by Emese Revfy re.emese@gmail.com -+ * Copyright 2011-2015 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-common.h" -+ -+// unused C type flag in all versions 4.5-5.0 -+#define TYPE_CONSTIFY_VISITED(TYPE) TYPE_LANG_FLAG_4(TYPE) -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info const_plugin_info = { -+ .version = "201401270210", -+ .help = "no-constify\tturn off constification\n", -+}; -+ -+typedef struct { -+ bool has_fptr_field; -+ bool has_writable_field; -+ bool has_do_const_field; -+ bool has_no_const_field; -+} constify_info; -+ -+static const_tree get_field_type(const_tree field) -+{ -+ return strip_array_types(TREE_TYPE(field)); -+} -+ -+static bool is_fptr(const_tree field) -+{ -+ const_tree ptr = get_field_type(field); -+ -+ if (TREE_CODE(ptr) != POINTER_TYPE) -+ return false; -+ -+ return TREE_CODE(TREE_TYPE(ptr)) == FUNCTION_TYPE; -+} -+ -+/* -+ * determine whether the given structure type meets the requirements for automatic constification, -+ * including the constification attributes on nested structure types -+ */ -+static void constifiable(const_tree node, constify_info *cinfo) -+{ -+ const_tree field; -+ -+ gcc_assert(TREE_CODE(node) == RECORD_TYPE || TREE_CODE(node) == UNION_TYPE); -+ -+ // e.g., pointer to structure fields while still constructing the structure type -+ if (TYPE_FIELDS(node) == NULL_TREE) -+ return; -+ -+ for (field = TYPE_FIELDS(node); field; field = TREE_CHAIN(field)) { -+ const_tree type = get_field_type(field); -+ enum tree_code code = TREE_CODE(type); -+ -+ if (node == type) -+ continue; -+ -+ if (is_fptr(field)) -+ cinfo->has_fptr_field = true; -+ else if (!TREE_READONLY(field)) -+ cinfo->has_writable_field = true; -+ -+ if (code == RECORD_TYPE || code == UNION_TYPE) { -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) -+ cinfo->has_do_const_field = true; -+ else if (lookup_attribute("no_const", TYPE_ATTRIBUTES(type))) -+ cinfo->has_no_const_field = true; -+ else -+ constifiable(type, cinfo); -+ } -+ } -+} -+ -+static bool constified(const_tree node) -+{ -+ constify_info cinfo = { -+ .has_fptr_field = false, -+ .has_writable_field = false, -+ .has_do_const_field = false, -+ .has_no_const_field = false -+ }; -+ -+ gcc_assert(TREE_CODE(node) == RECORD_TYPE || TREE_CODE(node) == UNION_TYPE); -+ -+ if (lookup_attribute("no_const", TYPE_ATTRIBUTES(node))) { -+// gcc_assert(!TYPE_READONLY(node)); -+ return false; -+ } -+ -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(node))) { -+ gcc_assert(TYPE_READONLY(node)); -+ return true; -+ } -+ -+ constifiable(node, &cinfo); -+ if ((!cinfo.has_fptr_field || cinfo.has_writable_field) && !cinfo.has_do_const_field) -+ return false; -+ -+ return TYPE_READONLY(node); -+} -+ -+static void deconstify_tree(tree node); -+ -+static void deconstify_type(tree type) -+{ -+ tree field; -+ -+ gcc_assert(TREE_CODE(type) == RECORD_TYPE || TREE_CODE(type) == UNION_TYPE); -+ -+ for (field = TYPE_FIELDS(type); field; field = TREE_CHAIN(field)) { -+ const_tree fieldtype = get_field_type(field); -+ -+ // special case handling of simple ptr-to-same-array-type members -+ if (TREE_CODE(TREE_TYPE(field)) == POINTER_TYPE) { -+ tree ptrtype = TREE_TYPE(TREE_TYPE(field)); -+ -+ if (TREE_TYPE(TREE_TYPE(field)) == type) -+ continue; -+ if (TREE_CODE(ptrtype) != RECORD_TYPE && TREE_CODE(ptrtype) != UNION_TYPE) -+ continue; -+ if (!constified(ptrtype)) -+ continue; -+ if (TYPE_MAIN_VARIANT(ptrtype) == TYPE_MAIN_VARIANT(type)) { -+ TREE_TYPE(field) = copy_node(TREE_TYPE(field)); -+ TREE_TYPE(TREE_TYPE(field)) = build_qualified_type(type, TYPE_QUALS(ptrtype) & ~TYPE_QUAL_CONST); -+ } -+ continue; -+ } -+ if (TREE_CODE(fieldtype) != RECORD_TYPE && TREE_CODE(fieldtype) != UNION_TYPE) -+ continue; -+ if (!constified(fieldtype)) -+ continue; -+ -+ deconstify_tree(field); -+ TREE_READONLY(field) = 0; -+ } -+ TYPE_READONLY(type) = 0; -+ C_TYPE_FIELDS_READONLY(type) = 0; -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) { -+ TYPE_ATTRIBUTES(type) = copy_list(TYPE_ATTRIBUTES(type)); -+ TYPE_ATTRIBUTES(type) = remove_attribute("do_const", TYPE_ATTRIBUTES(type)); -+ } -+} -+ -+static void deconstify_tree(tree node) -+{ -+ tree old_type, new_type, field; -+ -+ old_type = TREE_TYPE(node); -+ while (TREE_CODE(old_type) == ARRAY_TYPE && TREE_CODE(TREE_TYPE(old_type)) != ARRAY_TYPE) { -+ node = TREE_TYPE(node) = copy_node(old_type); -+ old_type = TREE_TYPE(old_type); -+ } -+ -+ gcc_assert(TREE_CODE(old_type) == RECORD_TYPE || TREE_CODE(old_type) == UNION_TYPE); -+ gcc_assert(TYPE_READONLY(old_type) && (TYPE_QUALS(old_type) & TYPE_QUAL_CONST)); -+ -+ new_type = build_qualified_type(old_type, TYPE_QUALS(old_type) & ~TYPE_QUAL_CONST); -+ TYPE_FIELDS(new_type) = copy_list(TYPE_FIELDS(new_type)); -+ for (field = TYPE_FIELDS(new_type); field; field = TREE_CHAIN(field)) -+ DECL_FIELD_CONTEXT(field) = new_type; -+ -+ deconstify_type(new_type); -+ -+ TREE_TYPE(node) = new_type; -+} -+ -+static tree handle_no_const_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ tree type; -+ constify_info cinfo = { -+ .has_fptr_field = false, -+ .has_writable_field = false, -+ .has_do_const_field = false, -+ .has_no_const_field = false -+ }; -+ -+ *no_add_attrs = true; -+ if (TREE_CODE(*node) == FUNCTION_DECL) { -+ error("%qE attribute does not apply to functions (%qF)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) == PARM_DECL) { -+ error("%qE attribute does not apply to function parameters (%qD)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) == VAR_DECL) { -+ error("%qE attribute does not apply to variables (%qD)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TYPE_P(*node)) { -+ type = *node; -+ } else { -+ gcc_assert(TREE_CODE(*node) == TYPE_DECL); -+ type = TREE_TYPE(*node); -+ } -+ -+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) { -+ error("%qE attribute used on %qT applies to struct and union types only", name, type); -+ return NULL_TREE; -+ } -+ -+ if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(type))) { -+ error("%qE attribute is already applied to the type %qT", name, type); -+ return NULL_TREE; -+ } -+ -+ if (TYPE_P(*node)) { -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) -+ error("%qE attribute used on type %qT is incompatible with 'do_const'", name, type); -+ else -+ *no_add_attrs = false; -+ return NULL_TREE; -+ } -+ -+ constifiable(type, &cinfo); -+ if ((cinfo.has_fptr_field && !cinfo.has_writable_field) || lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) { -+ deconstify_tree(*node); -+ TYPE_CONSTIFY_VISITED(TREE_TYPE(*node)) = 1; -+ return NULL_TREE; -+ } -+ -+ if (TYPE_FIELDS(type)) -+ error("%qE attribute used on type %qT that is not constified", name, type); -+ return NULL_TREE; -+} -+ -+static void constify_type(tree type) -+{ -+ TYPE_READONLY(type) = 1; -+ C_TYPE_FIELDS_READONLY(type) = 1; -+ TYPE_CONSTIFY_VISITED(type) = 1; -+// TYPE_ATTRIBUTES(type) = copy_list(TYPE_ATTRIBUTES(type)); -+// TYPE_ATTRIBUTES(type) = tree_cons(get_identifier("do_const"), NULL_TREE, TYPE_ATTRIBUTES(type)); -+} -+ -+static tree handle_do_const_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ *no_add_attrs = true; -+ if (!TYPE_P(*node)) { -+ error("%qE attribute applies to types only (%qD)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) != RECORD_TYPE && TREE_CODE(*node) != UNION_TYPE) { -+ error("%qE attribute used on %qT applies to struct and union types only", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(*node))) { -+ error("%qE attribute used on %qT is already applied to the type", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (lookup_attribute("no_const", TYPE_ATTRIBUTES(*node))) { -+ error("%qE attribute used on %qT is incompatible with 'no_const'", name, *node); -+ return NULL_TREE; -+ } -+ -+ *no_add_attrs = false; -+ return NULL_TREE; -+} -+ -+static struct attribute_spec no_const_attr = { -+ .name = "no_const", -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_no_const_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = true -+#endif -+}; -+ -+static struct attribute_spec do_const_attr = { -+ .name = "do_const", -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_do_const_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = true -+#endif -+}; -+ -+static void register_attributes(void *event_data, void *data) -+{ -+ register_attribute(&no_const_attr); -+ register_attribute(&do_const_attr); -+} -+ -+static void finish_type(void *event_data, void *data) -+{ -+ tree type = (tree)event_data; -+ constify_info cinfo = { -+ .has_fptr_field = false, -+ .has_writable_field = false, -+ .has_do_const_field = false, -+ .has_no_const_field = false -+ }; -+ -+ if (type == NULL_TREE || type == error_mark_node) -+ return; -+ -+#if BUILDING_GCC_VERSION >= 5000 -+ if (TREE_CODE(type) == ENUMERAL_TYPE) -+ return; -+#endif -+ -+ if (TYPE_FIELDS(type) == NULL_TREE || TYPE_CONSTIFY_VISITED(type)) -+ return; -+ -+ constifiable(type, &cinfo); -+ -+ if (lookup_attribute("no_const", TYPE_ATTRIBUTES(type))) { -+ if ((cinfo.has_fptr_field && !cinfo.has_writable_field) || cinfo.has_do_const_field) { -+ deconstify_type(type); -+ TYPE_CONSTIFY_VISITED(type) = 1; -+ } else -+ error("'no_const' attribute used on type %qT that is not constified", type); -+ return; -+ } -+ -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) { -+ if (!cinfo.has_writable_field) { -+ error("'do_const' attribute used on type %qT that is%sconstified", type, cinfo.has_fptr_field ? " " : " not "); -+ return; -+ } -+ constify_type(type); -+ return; -+ } -+ -+ if (cinfo.has_fptr_field && !cinfo.has_writable_field) { -+ if (lookup_attribute("do_const", TYPE_ATTRIBUTES(type))) { -+ error("'do_const' attribute used on type %qT that is constified", type); -+ return; -+ } -+ constify_type(type); -+ return; -+ } -+ -+ deconstify_type(type); -+ TYPE_CONSTIFY_VISITED(type) = 1; -+} -+ -+static void check_global_variables(void *event_data, void *data) -+{ -+ varpool_node_ptr node; -+ -+ FOR_EACH_VARIABLE(node) { -+ tree var = NODE_DECL(node); -+ tree type = TREE_TYPE(var); -+ -+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) -+ continue; -+ -+ if (!TYPE_READONLY(type) || !C_TYPE_FIELDS_READONLY(type)) -+ continue; -+ -+ if (!TYPE_CONSTIFY_VISITED(type)) -+ continue; -+ -+ if (DECL_EXTERNAL(var)) -+ continue; -+ -+ if (DECL_INITIAL(var)) -+ continue; -+ -+ // this works around a gcc bug/feature where uninitialized globals -+ // are moved into the .bss section regardless of any constification -+ DECL_INITIAL(var) = build_constructor(type, NULL); -+// inform(DECL_SOURCE_LOCATION(var), "constified variable %qE moved into .rodata", var); -+ } -+} -+ -+static unsigned int check_local_variables(void) -+{ -+ unsigned int ret = 0; -+ tree var; -+ -+ unsigned int i; -+ -+ FOR_EACH_LOCAL_DECL(cfun, i, var) { -+ tree type = TREE_TYPE(var); -+ -+ gcc_assert(DECL_P(var)); -+ if (is_global_var(var)) -+ continue; -+ -+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) -+ continue; -+ -+ if (!TYPE_READONLY(type) || !C_TYPE_FIELDS_READONLY(type)) -+ continue; -+ -+ if (!TYPE_CONSTIFY_VISITED(type)) -+ continue; -+ -+ error_at(DECL_SOURCE_LOCATION(var), "constified variable %qE cannot be local", var); -+ ret = 1; -+ } -+ return ret; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data check_local_variables_pass_data = { -+#else -+static struct gimple_opt_pass check_local_variables_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "check_local_variables", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = check_local_variables, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0 -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class check_local_variables_pass : public gimple_opt_pass { -+public: -+ check_local_variables_pass() : gimple_opt_pass(check_local_variables_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return check_local_variables(); } -+#else -+ unsigned int execute() { return check_local_variables(); } -+#endif -+}; -+} -+ -+static opt_pass *make_check_local_variables_pass(void) -+{ -+ return new check_local_variables_pass(); -+} -+#else -+static struct opt_pass *make_check_local_variables_pass(void) -+{ -+ return &check_local_variables_pass.pass; -+} -+#endif -+ -+static struct { -+ const char *name; -+ const char *asm_op; -+} sections[] = { -+ {".init.rodata", "\t.section\t.init.rodata,"a""}, -+ {".ref.rodata", "\t.section\t.ref.rodata,"a""}, -+ {".devinit.rodata", "\t.section\t.devinit.rodata,"a""}, -+ {".devexit.rodata", "\t.section\t.devexit.rodata,"a""}, -+ {".cpuinit.rodata", "\t.section\t.cpuinit.rodata,"a""}, -+ {".cpuexit.rodata", "\t.section\t.cpuexit.rodata,"a""}, -+ {".meminit.rodata", "\t.section\t.meminit.rodata,"a""}, -+ {".memexit.rodata", "\t.section\t.memexit.rodata,"a""}, -+ {".data..read_only", "\t.section\t.data..read_only,"a""}, -+}; -+ -+static unsigned int (*old_section_type_flags)(tree decl, const char *name, int reloc); -+ -+static unsigned int constify_section_type_flags(tree decl, const char *name, int reloc) -+{ -+ size_t i; -+ -+ for (i = 0; i < ARRAY_SIZE(sections); i++) -+ if (!strcmp(sections[i].name, name)) -+ return 0; -+ return old_section_type_flags(decl, name, reloc); -+} -+ -+static void constify_start_unit(void *gcc_data, void *user_data) -+{ -+// size_t i; -+ -+// for (i = 0; i < ARRAY_SIZE(sections); i++) -+// sections[i].section = get_unnamed_section(0, output_section_asm_op, sections[i].asm_op); -+// sections[i].section = get_section(sections[i].name, 0, NULL); -+ -+ old_section_type_flags = targetm.section_type_flags; -+ targetm.section_type_flags = constify_section_type_flags; -+} -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ int i; -+ bool constify = true; -+ -+ struct register_pass_info check_local_variables_pass_info; -+ -+ check_local_variables_pass_info.pass = make_check_local_variables_pass(); -+ check_local_variables_pass_info.reference_pass_name = "ssa"; -+ check_local_variables_pass_info.ref_pass_instance_number = 1; -+ check_local_variables_pass_info.pos_op = PASS_POS_INSERT_BEFORE; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ for (i = 0; i < argc; ++i) { -+ if (!(strcmp(argv[i].key, "no-constify"))) { -+ constify = false; -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ if (strncmp(lang_hooks.name, "GNU C", 5) && !strncmp(lang_hooks.name, "GNU C+", 6)) { -+ inform(UNKNOWN_LOCATION, G_("%s supports C only, not %s"), plugin_name, lang_hooks.name); -+ constify = false; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &const_plugin_info); -+ if (constify) { -+ register_callback(plugin_name, PLUGIN_ALL_IPA_PASSES_START, check_global_variables, NULL); -+ register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &check_local_variables_pass_info); -+ register_callback(plugin_name, PLUGIN_START_UNIT, constify_start_unit, NULL); -+ } -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/gcc-common.h b/tools/gcc/gcc-common.h -new file mode 100644 -index 0000000..9cf3947 ---- /dev/null -+++ b/tools/gcc/gcc-common.h -@@ -0,0 +1,789 @@ -+#ifndef GCC_COMMON_H_INCLUDED -+#define GCC_COMMON_H_INCLUDED -+ -+#include "plugin.h" -+#include "bversion.h" -+#include "plugin-version.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tm.h" -+#include "line-map.h" -+#include "input.h" -+#include "tree.h" -+ -+#include "tree-inline.h" -+#include "version.h" -+#include "rtl.h" -+#include "tm_p.h" -+#include "flags.h" -+//#include "insn-attr.h" -+//#include "insn-config.h" -+//#include "insn-flags.h" -+#include "hard-reg-set.h" -+//#include "recog.h" -+#include "output.h" -+#include "except.h" -+#include "function.h" -+#include "toplev.h" -+//#include "expr.h" -+#include "basic-block.h" -+#include "intl.h" -+#include "ggc.h" -+//#include "regs.h" -+#include "timevar.h" -+ -+#include "params.h" -+ -+#if BUILDING_GCC_VERSION <= 4009 -+#include "pointer-set.h" -+#else -+#include "hash-map.h" -+#endif -+ -+#include "emit-rtl.h" -+//#include "reload.h" -+//#include "ira.h" -+//#include "dwarf2asm.h" -+#include "debug.h" -+#include "target.h" -+#include "langhooks.h" -+#include "cfgloop.h" -+//#include "hosthooks.h" -+#include "cgraph.h" -+#include "opts.h" -+//#include "coverage.h" -+//#include "value-prof.h" -+ -+#if BUILDING_GCC_VERSION == 4005 -+#include <sys/mman.h> -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4007 -+#include "tree-pretty-print.h" -+#include "gimple-pretty-print.h" -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4006 -+//#include "c-tree.h" -+//#include "cp/cp-tree.h" -+#include "c-family/c-common.h" -+#else -+#include "c-common.h" -+#endif -+ -+#if BUILDING_GCC_VERSION <= 4008 -+#include "tree-flow.h" -+#else -+#include "tree-cfgcleanup.h" -+#include "tree-ssa-operands.h" -+#include "tree-into-ssa.h" -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4008 -+#include "is-a.h" -+#endif -+ -+#include "diagnostic.h" -+//#include "tree-diagnostic.h" -+#include "tree-dump.h" -+#include "tree-pass.h" -+//#include "df.h" -+#include "predict.h" -+#include "ipa-utils.h" -+ -+#if BUILDING_GCC_VERSION >= 4009 -+#include "varasm.h" -+#include "stor-layout.h" -+#include "internal-fn.h" -+#include "gimple-expr.h" -+#include "gimple-fold.h" -+//#include "diagnostic-color.h" -+#include "context.h" -+#include "tree-ssa-alias.h" -+#include "tree-ssa.h" -+#include "stringpool.h" -+#include "tree-ssanames.h" -+#include "print-tree.h" -+#include "tree-eh.h" -+#include "stmt.h" -+#include "gimplify.h" -+#endif -+ -+#include "gimple.h" -+ -+#if BUILDING_GCC_VERSION >= 4009 -+#include "tree-ssa-operands.h" -+#include "tree-phinodes.h" -+#include "tree-cfg.h" -+#include "gimple-iterator.h" -+#include "gimple-ssa.h" -+#include "ssa-iterators.h" -+#endif -+ -+//#include "lto/lto.h" -+#if BUILDING_GCC_VERSION >= 4007 -+//#include "data-streamer.h" -+#else -+//#include "lto-streamer.h" -+#endif -+//#include "lto-compress.h" -+#if BUILDING_GCC_VERSION >= 5000 -+//#include "lto-section-names.h" -+#include "builtins.h" -+#endif -+ -+//#include "expr.h" where are you... -+extern rtx emit_move_insn(rtx x, rtx y); -+ -+// missing from basic_block.h... -+extern void debug_dominance_info(enum cdi_direction dir); -+extern void debug_dominance_tree(enum cdi_direction dir, basic_block root); -+ -+#ifdef __cplusplus -+static inline void debug_tree(const_tree t) -+{ -+ debug_tree(CONST_CAST_TREE(t)); -+} -+#else -+#define debug_tree(t) debug_tree(CONST_CAST_TREE(t)) -+#endif -+ -+#define __unused __attribute__((__unused__)) -+ -+#define DECL_NAME_POINTER(node) IDENTIFIER_POINTER(DECL_NAME(node)) -+#define DECL_NAME_LENGTH(node) IDENTIFIER_LENGTH(DECL_NAME(node)) -+#define TYPE_NAME_POINTER(node) IDENTIFIER_POINTER(TYPE_NAME(node)) -+#define TYPE_NAME_LENGTH(node) IDENTIFIER_LENGTH(TYPE_NAME(node)) -+ -+// should come from c-tree.h if only it were installed for gcc 4.5... -+#define C_TYPE_FIELDS_READONLY(TYPE) TREE_LANG_FLAG_1(TYPE) -+ -+#if BUILDING_GCC_VERSION == 4005 -+#define FOR_EACH_LOCAL_DECL(FUN, I, D) for (tree vars = (FUN)->local_decls, (I) = 0; vars && ((D) = TREE_VALUE(vars)); vars = TREE_CHAIN(vars), (I)++) -+#define DECL_CHAIN(NODE) (TREE_CHAIN(DECL_MINIMAL_CHECK(NODE))) -+#define FOR_EACH_VEC_ELT(T, V, I, P) for (I = 0; VEC_iterate(T, (V), (I), (P)); ++(I)) -+#define TODO_rebuild_cgraph_edges 0 -+#define SCOPE_FILE_SCOPE_P(EXP) (!(EXP)) -+ -+#ifndef O_BINARY -+#define O_BINARY 0 -+#endif -+ -+typedef struct varpool_node *varpool_node_ptr; -+ -+static inline bool gimple_call_builtin_p(gimple stmt, enum built_in_function code) -+{ -+ tree fndecl; -+ -+ if (!is_gimple_call(stmt)) -+ return false; -+ fndecl = gimple_call_fndecl(stmt); -+ if (!fndecl || DECL_BUILT_IN_CLASS(fndecl) != BUILT_IN_NORMAL) -+ return false; -+// print_node(stderr, "pax", fndecl, 4); -+ return DECL_FUNCTION_CODE(fndecl) == code; -+} -+ -+static inline bool is_simple_builtin(tree decl) -+{ -+ if (decl && DECL_BUILT_IN_CLASS(decl) != BUILT_IN_NORMAL) -+ return false; -+ -+ switch (DECL_FUNCTION_CODE(decl)) { -+ /* Builtins that expand to constants. */ -+ case BUILT_IN_CONSTANT_P: -+ case BUILT_IN_EXPECT: -+ case BUILT_IN_OBJECT_SIZE: -+ case BUILT_IN_UNREACHABLE: -+ /* Simple register moves or loads from stack. */ -+ case BUILT_IN_RETURN_ADDRESS: -+ case BUILT_IN_EXTRACT_RETURN_ADDR: -+ case BUILT_IN_FROB_RETURN_ADDR: -+ case BUILT_IN_RETURN: -+ case BUILT_IN_AGGREGATE_INCOMING_ADDRESS: -+ case BUILT_IN_FRAME_ADDRESS: -+ case BUILT_IN_VA_END: -+ case BUILT_IN_STACK_SAVE: -+ case BUILT_IN_STACK_RESTORE: -+ /* Exception state returns or moves registers around. */ -+ case BUILT_IN_EH_FILTER: -+ case BUILT_IN_EH_POINTER: -+ case BUILT_IN_EH_COPY_VALUES: -+ return true; -+ -+ default: -+ return false; -+ } -+} -+ -+static inline void add_local_decl(struct function *fun, tree d) -+{ -+ gcc_assert(TREE_CODE(d) == VAR_DECL); -+ fun->local_decls = tree_cons(NULL_TREE, d, fun->local_decls); -+} -+#endif -+ -+#if BUILDING_GCC_VERSION <= 4006 -+#define ANY_RETURN_P(rtx) (GET_CODE(rtx) == RETURN) -+#define C_DECL_REGISTER(EXP) DECL_LANG_FLAG_4(EXP) -+#define EDGE_PRESERVE 0ULL -+#define HOST_WIDE_INT_PRINT_HEX_PURE "%" HOST_WIDE_INT_PRINT "x" -+#define flag_fat_lto_objects true -+ -+#define get_random_seed(noinit) ({ \ -+ unsigned HOST_WIDE_INT seed; \ -+ sscanf(get_random_seed(noinit), "%" HOST_WIDE_INT_PRINT "x", &seed); \ -+ seed * seed; }) -+ -+#define int_const_binop(code, arg1, arg2) int_const_binop((code), (arg1), (arg2), 0) -+ -+static inline bool gimple_clobber_p(gimple s __unused) -+{ -+ return false; -+} -+ -+static inline bool gimple_asm_clobbers_memory_p(const_gimple stmt) -+{ -+ unsigned i; -+ -+ for (i = 0; i < gimple_asm_nclobbers(stmt); i++) { -+ tree op = gimple_asm_clobber_op(stmt, i); -+ if (!strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "memory")) -+ return true; -+ } -+ -+ return false; -+} -+ -+static inline tree builtin_decl_implicit(enum built_in_function fncode) -+{ -+ return implicit_built_in_decls[fncode]; -+} -+ -+static inline int ipa_reverse_postorder(struct cgraph_node **order) -+{ -+ return cgraph_postorder(order); -+} -+ -+static inline struct cgraph_node *cgraph_get_create_node(tree decl) -+{ -+ struct cgraph_node *node = cgraph_get_node(decl); -+ -+ return node ? node : cgraph_node(decl); -+} -+ -+static inline bool cgraph_function_with_gimple_body_p(struct cgraph_node *node) -+{ -+ return node->analyzed && !node->thunk.thunk_p && !node->alias; -+} -+ -+static inline struct cgraph_node *cgraph_first_function_with_gimple_body(void) -+{ -+ struct cgraph_node *node; -+ -+ for (node = cgraph_nodes; node; node = node->next) -+ if (cgraph_function_with_gimple_body_p(node)) -+ return node; -+ return NULL; -+} -+ -+static inline struct cgraph_node *cgraph_next_function_with_gimple_body(struct cgraph_node *node) -+{ -+ for (node = node->next; node; node = node->next) -+ if (cgraph_function_with_gimple_body_p(node)) -+ return node; -+ return NULL; -+} -+ -+#define FOR_EACH_FUNCTION_WITH_GIMPLE_BODY(node) \ -+ for ((node) = cgraph_first_function_with_gimple_body(); (node); \ -+ (node) = cgraph_next_function_with_gimple_body(node)) -+ -+static inline void varpool_add_new_variable(tree decl) -+{ -+ varpool_finalize_decl(decl); -+} -+#endif -+ -+#if BUILDING_GCC_VERSION == 4006 -+extern void debug_gimple_stmt(gimple); -+extern void debug_gimple_seq(gimple_seq); -+extern void print_gimple_seq(FILE *, gimple_seq, int, int); -+extern void print_gimple_stmt(FILE *, gimple, int, int); -+extern void print_gimple_expr(FILE *, gimple, int, int); -+extern void dump_gimple_stmt(pretty_printer *, gimple, int, int); -+#endif -+ -+#if BUILDING_GCC_VERSION <= 4007 -+#define FOR_EACH_FUNCTION(node) for (node = cgraph_nodes; node; node = node->next) -+#define FOR_EACH_VARIABLE(node) for (node = varpool_nodes; node; node = node->next) -+#define PROP_loops 0 -+#define NODE_SYMBOL(node) (node) -+#define NODE_DECL(node) (node)->decl -+#define INSN_LOCATION(INSN) RTL_LOCATION(INSN) -+ -+static inline int bb_loop_depth(const_basic_block bb) -+{ -+ return bb->loop_father ? loop_depth(bb->loop_father) : 0; -+} -+ -+static inline bool gimple_store_p(gimple gs) -+{ -+ tree lhs = gimple_get_lhs(gs); -+ return lhs && !is_gimple_reg(lhs); -+} -+#endif -+ -+#if BUILDING_GCC_VERSION == 4007 || BUILDING_GCC_VERSION == 4008 -+static inline struct cgraph_node *cgraph_alias_target(struct cgraph_node *n) -+{ -+ return cgraph_alias_aliased_node(n); -+} -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4007 && BUILDING_GCC_VERSION <= 4009 -+#define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \ -+ cgraph_create_edge((caller), (callee), (call_stmt), (count), (freq)) -+#define cgraph_create_edge_including_clones(caller, callee, old_call_stmt, call_stmt, count, freq, nest, reason) \ -+ cgraph_create_edge_including_clones((caller), (callee), (old_call_stmt), (call_stmt), (count), (freq), (reason)) -+#endif -+ -+#if BUILDING_GCC_VERSION <= 4008 -+#define ENTRY_BLOCK_PTR_FOR_FN(FN) ENTRY_BLOCK_PTR_FOR_FUNCTION(FN) -+#define EXIT_BLOCK_PTR_FOR_FN(FN) EXIT_BLOCK_PTR_FOR_FUNCTION(FN) -+#define basic_block_info_for_fn(FN) ((FN)->cfg->x_basic_block_info) -+#define n_basic_blocks_for_fn(FN) ((FN)->cfg->x_n_basic_blocks) -+#define n_edges_for_fn(FN) ((FN)->cfg->x_n_edges) -+#define last_basic_block_for_fn(FN) ((FN)->cfg->x_last_basic_block) -+#define label_to_block_map_for_fn(FN) ((FN)->cfg->x_label_to_block_map) -+#define profile_status_for_fn(FN) ((FN)->cfg->x_profile_status) -+#define BASIC_BLOCK_FOR_FN(FN, N) BASIC_BLOCK_FOR_FUNCTION((FN), (N)) -+#define NODE_IMPLICIT_ALIAS(node) (node)->same_body_alias -+ -+static inline bool tree_fits_shwi_p(const_tree t) -+{ -+ if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST) -+ return false; -+ -+ if (TREE_INT_CST_HIGH(t) == 0 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) >= 0) -+ return true; -+ -+ if (TREE_INT_CST_HIGH(t) == -1 && (HOST_WIDE_INT)TREE_INT_CST_LOW(t) < 0 && !TYPE_UNSIGNED(TREE_TYPE(t))) -+ return true; -+ -+ return false; -+} -+ -+static inline bool tree_fits_uhwi_p(const_tree t) -+{ -+ if (t == NULL_TREE || TREE_CODE(t) != INTEGER_CST) -+ return false; -+ -+ return TREE_INT_CST_HIGH(t) == 0; -+} -+ -+static inline HOST_WIDE_INT tree_to_shwi(const_tree t) -+{ -+ gcc_assert(tree_fits_shwi_p(t)); -+ return TREE_INT_CST_LOW(t); -+} -+ -+static inline unsigned HOST_WIDE_INT tree_to_uhwi(const_tree t) -+{ -+ gcc_assert(tree_fits_uhwi_p(t)); -+ return TREE_INT_CST_LOW(t); -+} -+ -+static inline const char *get_tree_code_name(enum tree_code code) -+{ -+ gcc_assert(code < MAX_TREE_CODES); -+ return tree_code_name[code]; -+} -+ -+#define ipa_remove_stmt_references(cnode, stmt) -+ -+typedef union gimple_statement_d gasm; -+typedef union gimple_statement_d gassign; -+typedef union gimple_statement_d gcall; -+typedef union gimple_statement_d gcond; -+typedef union gimple_statement_d gdebug; -+typedef union gimple_statement_d gphi; -+typedef union gimple_statement_d greturn; -+ -+static inline gasm *as_a_gasm(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gasm *as_a_const_gasm(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gassign *as_a_gassign(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gassign *as_a_const_gassign(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gcall *as_a_gcall(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gcall *as_a_const_gcall(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gcond *as_a_gcond(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gcond *as_a_const_gcond(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gdebug *as_a_gdebug(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gdebug *as_a_const_gdebug(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gphi *as_a_gphi(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gphi *as_a_const_gphi(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline greturn *as_a_greturn(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const greturn *as_a_const_greturn(const_gimple stmt) -+{ -+ return stmt; -+} -+#endif -+ -+#if BUILDING_GCC_VERSION == 4008 -+#define NODE_SYMBOL(node) (&(node)->symbol) -+#define NODE_DECL(node) (node)->symbol.decl -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4008 -+#define add_referenced_var(var) -+#define mark_sym_for_renaming(var) -+#define varpool_mark_needed_node(node) -+#define create_var_ann(var) -+#define TODO_dump_func 0 -+#define TODO_dump_cgraph 0 -+#endif -+ -+#if BUILDING_GCC_VERSION <= 4009 -+#define TODO_verify_il 0 -+#define AVAIL_INTERPOSABLE AVAIL_OVERWRITABLE -+ -+#define section_name_prefix LTO_SECTION_NAME_PREFIX -+#define fatal_error(loc, gmsgid, ...) fatal_error((gmsgid), __VA_ARGS__) -+ -+typedef struct rtx_def rtx_insn; -+ -+static inline void set_decl_section_name(tree node, const char *value) -+{ -+ DECL_SECTION_NAME(node) = build_string(strlen(value) + 1, value); -+} -+#endif -+ -+#if BUILDING_GCC_VERSION == 4009 -+typedef struct gimple_statement_asm gasm; -+typedef struct gimple_statement_base gassign; -+typedef struct gimple_statement_call gcall; -+typedef struct gimple_statement_base gcond; -+typedef struct gimple_statement_base gdebug; -+typedef struct gimple_statement_phi gphi; -+typedef struct gimple_statement_base greturn; -+ -+static inline gasm *as_a_gasm(gimple stmt) -+{ -+ return as_a<gasm>(stmt); -+} -+ -+static inline const gasm *as_a_const_gasm(const_gimple stmt) -+{ -+ return as_a<const gasm>(stmt); -+} -+ -+static inline gassign *as_a_gassign(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gassign *as_a_const_gassign(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gcall *as_a_gcall(gimple stmt) -+{ -+ return as_a<gcall>(stmt); -+} -+ -+static inline const gcall *as_a_const_gcall(const_gimple stmt) -+{ -+ return as_a<const gcall>(stmt); -+} -+ -+static inline gcond *as_a_gcond(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gcond *as_a_const_gcond(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gdebug *as_a_gdebug(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const gdebug *as_a_const_gdebug(const_gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline gphi *as_a_gphi(gimple stmt) -+{ -+ return as_a<gphi>(stmt); -+} -+ -+static inline const gphi *as_a_const_gphi(const_gimple stmt) -+{ -+ return as_a<const gphi>(stmt); -+} -+ -+static inline greturn *as_a_greturn(gimple stmt) -+{ -+ return stmt; -+} -+ -+static inline const greturn *as_a_const_greturn(const_gimple stmt) -+{ -+ return stmt; -+} -+#endif -+ -+#if BUILDING_GCC_VERSION >= 4009 -+#define TODO_ggc_collect 0 -+#define NODE_SYMBOL(node) (node) -+#define NODE_DECL(node) (node)->decl -+#define cgraph_node_name(node) (node)->name() -+#define NODE_IMPLICIT_ALIAS(node) (node)->cpp_implicit_alias -+#endif -+ -+#if BUILDING_GCC_VERSION >= 5000 -+#define TODO_verify_ssa TODO_verify_il -+#define TODO_verify_flow TODO_verify_il -+#define TODO_verify_stmts TODO_verify_il -+#define TODO_verify_rtl_sharing TODO_verify_il -+ -+//#define TREE_INT_CST_HIGH(NODE) ({ TREE_INT_CST_EXT_NUNITS(NODE) > 1 ? (unsigned HOST_WIDE_INT)TREE_INT_CST_ELT(NODE, 1) : 0; }) -+ -+#define INSN_DELETED_P(insn) (insn)->deleted() -+ -+// symtab/cgraph related -+#define debug_cgraph_node(node) (node)->debug() -+#define cgraph_get_node(decl) cgraph_node::get(decl) -+#define cgraph_get_create_node(decl) cgraph_node::get_create(decl) -+#define cgraph_n_nodes symtab->cgraph_count -+#define cgraph_max_uid symtab->cgraph_max_uid -+#define varpool_get_node(decl) varpool_node::get(decl) -+ -+#define cgraph_create_edge(caller, callee, call_stmt, count, freq, nest) \ -+ (caller)->create_edge((callee), (call_stmt), (count), (freq)) -+#define cgraph_create_edge_including_clones(caller, callee, old_call_stmt, call_stmt, count, freq, nest, reason) \ -+ (caller)->create_edge_including_clones((callee), (old_call_stmt), (call_stmt), (count), (freq), (reason)) -+ -+typedef struct cgraph_node *cgraph_node_ptr; -+typedef struct cgraph_edge *cgraph_edge_p; -+typedef struct varpool_node *varpool_node_ptr; -+ -+static inline void change_decl_assembler_name(tree decl, tree name) -+{ -+ symtab->change_decl_assembler_name(decl, name); -+} -+ -+static inline void varpool_finalize_decl(tree decl) -+{ -+ varpool_node::finalize_decl(decl); -+} -+ -+static inline void varpool_add_new_variable(tree decl) -+{ -+ varpool_node::add(decl); -+} -+ -+static inline unsigned int rebuild_cgraph_edges(void) -+{ -+ return cgraph_edge::rebuild_edges(); -+} -+ -+static inline cgraph_node_ptr cgraph_function_node(cgraph_node_ptr node, enum availability *availability) -+{ -+ return node->function_symbol(availability); -+} -+ -+static inline cgraph_node_ptr cgraph_function_or_thunk_node(cgraph_node_ptr node, enum availability *availability = NULL) -+{ -+ return node->ultimate_alias_target(availability); -+} -+ -+static inline bool cgraph_only_called_directly_p(cgraph_node_ptr node) -+{ -+ return node->only_called_directly_p(); -+} -+ -+static inline enum availability cgraph_function_body_availability(cgraph_node_ptr node) -+{ -+ return node->get_availability(); -+} -+ -+static inline cgraph_node_ptr cgraph_alias_target(cgraph_node_ptr node) -+{ -+ return node->get_alias_target(); -+} -+ -+static inline struct cgraph_node_hook_list *cgraph_add_function_insertion_hook(cgraph_node_hook hook, void *data) -+{ -+ return symtab->add_cgraph_insertion_hook(hook, data); -+} -+ -+static inline void cgraph_remove_function_insertion_hook(struct cgraph_node_hook_list *entry) -+{ -+ symtab->remove_cgraph_insertion_hook(entry); -+} -+ -+static inline struct cgraph_node_hook_list *cgraph_add_node_removal_hook(cgraph_node_hook hook, void *data) -+{ -+ return symtab->add_cgraph_removal_hook(hook, data); -+} -+ -+static inline void cgraph_remove_node_removal_hook(struct cgraph_node_hook_list *entry) -+{ -+ symtab->remove_cgraph_removal_hook(entry); -+} -+ -+static inline struct cgraph_2node_hook_list *cgraph_add_node_duplication_hook(cgraph_2node_hook hook, void *data) -+{ -+ return symtab->add_cgraph_duplication_hook(hook, data); -+} -+ -+static inline void cgraph_remove_node_duplication_hook(struct cgraph_2node_hook_list *entry) -+{ -+ symtab->remove_cgraph_duplication_hook(entry); -+} -+ -+// gimple related -+static inline gimple gimple_build_assign_with_ops(enum tree_code subcode, tree lhs, tree op1, tree op2 MEM_STAT_DECL) -+{ -+ return gimple_build_assign(lhs, subcode, op1, op2 PASS_MEM_STAT); -+} -+ -+template <> -+template <> -+inline bool is_a_helper<const gassign *>::test(const_gimple gs) -+{ -+ return gs->code == GIMPLE_ASSIGN; -+} -+ -+template <> -+template <> -+inline bool is_a_helper<const greturn *>::test(const_gimple gs) -+{ -+ return gs->code == GIMPLE_RETURN; -+} -+ -+static inline gasm *as_a_gasm(gimple stmt) -+{ -+ return as_a<gasm *>(stmt); -+} -+ -+static inline const gasm *as_a_const_gasm(const_gimple stmt) -+{ -+ return as_a<const gasm *>(stmt); -+} -+ -+static inline gassign *as_a_gassign(gimple stmt) -+{ -+ return as_a<gassign *>(stmt); -+} -+ -+static inline const gassign *as_a_const_gassign(const_gimple stmt) -+{ -+ return as_a<const gassign *>(stmt); -+} -+ -+static inline gcall *as_a_gcall(gimple stmt) -+{ -+ return as_a<gcall *>(stmt); -+} -+ -+static inline const gcall *as_a_const_gcall(const_gimple stmt) -+{ -+ return as_a<const gcall *>(stmt); -+} -+ -+static inline gphi *as_a_gphi(gimple stmt) -+{ -+ return as_a<gphi *>(stmt); -+} -+ -+static inline const gphi *as_a_const_gphi(const_gimple stmt) -+{ -+ return as_a<const gphi *>(stmt); -+} -+ -+static inline greturn *as_a_greturn(gimple stmt) -+{ -+ return as_a<greturn *>(stmt); -+} -+ -+static inline const greturn *as_a_const_greturn(const_gimple stmt) -+{ -+ return as_a<const greturn *>(stmt); -+} -+ -+// IPA/LTO related -+#define ipa_ref_list_referring_iterate(L,I,P) (L)->referring.iterate((I), &(P)) -+#define ipa_ref_list_reference_iterate(L,I,P) (L)->reference.iterate((I), &(P)) -+ -+static inline cgraph_node_ptr ipa_ref_referring_node(struct ipa_ref *ref) -+{ -+ return dyn_cast<cgraph_node_ptr>(ref->referring); -+} -+ -+static inline void ipa_remove_stmt_references(symtab_node *referring_node, gimple stmt) -+{ -+ referring_node->remove_stmt_references(stmt); -+} -+#endif -+ -+#endif -diff --git a/tools/gcc/gen-random-seed.sh b/tools/gcc/gen-random-seed.sh -new file mode 100644 -index 0000000..7514850 ---- /dev/null -+++ b/tools/gcc/gen-random-seed.sh -@@ -0,0 +1,8 @@ -+#!/bin/sh -+ -+if [ ! -f "$1" ]; then -+ SEED=`od -A n -t x8 -N 32 /dev/urandom | tr -d ' \n'` -+ echo "const char *randstruct_seed = "$SEED";" > "$1" -+ HASH=`echo -n "$SEED" | sha256sum | cut -d" " -f1 | tr -d ' \n'` -+ echo "#define RANDSTRUCT_HASHED_SEED "$HASH"" > "$2" -+fi -diff --git a/tools/gcc/initify_plugin.c b/tools/gcc/initify_plugin.c -new file mode 100644 -index 0000000..294ac43 ---- /dev/null -+++ b/tools/gcc/initify_plugin.c -@@ -0,0 +1,450 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/initify -+ * -+ * Move string constants (__func__ and function string arguments marked by the nocapture attribute) -+ * only referenced in __init/__exit functions to __initconst/__exitconst sections. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static bool verbose = false; -+ -+static struct plugin_info initify_plugin_info = { -+ .version = "20150524a", -+ .help = "initify_plugin\n", -+}; -+ -+static tree handle_nocapture_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs) -+{ -+ tree orig_attr, arg; -+ -+ *no_add_attrs = true; -+ switch (TREE_CODE(*node)) { -+ case FUNCTION_DECL: -+ case FUNCTION_TYPE: -+ case METHOD_TYPE: -+ break; -+ -+ case TYPE_DECL: { -+ const_tree fntype = TREE_TYPE(*node); -+ -+ if (TREE_CODE(fntype) == POINTER_TYPE) -+ fntype = TREE_TYPE(fntype); -+ if (TREE_CODE(fntype) == FUNCTION_TYPE || TREE_CODE(fntype) == METHOD_TYPE) -+ break; -+ // FALLTHROUGH -+ } -+ -+ default: -+ error("%s: %qE attribute only applies to functions", __func__, name); -+ debug_tree(*node); -+ return NULL_TREE; -+ } -+ -+ for (arg = args; arg; arg = TREE_CHAIN(arg)) { -+ tree position = TREE_VALUE(arg); -+ -+ if (TREE_CODE(position) != INTEGER_CST) { -+ error("%s: parameter isn't an integer", __func__); -+ debug_tree(arg); -+ return NULL_TREE; -+ } -+ } -+ -+ orig_attr = lookup_attribute("nocapture", DECL_ATTRIBUTES(*node)); -+ if (orig_attr) -+ chainon(TREE_VALUE(orig_attr), args); -+ else -+ *no_add_attrs = false; -+ -+ return NULL_TREE; -+} -+ -+static struct attribute_spec nocapture_attr = { -+ .name = "nocapture", -+ .min_length = 1, -+ .max_length = -1, -+ .decl_required = true, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_nocapture_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static void register_attributes(void __unused *event_data, void __unused *data) -+{ -+ register_attribute(&nocapture_attr); -+} -+ -+static const char *get_init_exit_section(const_tree decl) -+{ -+ const_tree section; -+ tree attr_value; -+ -+ section = lookup_attribute("section", DECL_ATTRIBUTES(decl)); -+ if (!section) -+ return NULL; -+ -+ gcc_assert(TREE_VALUE(section)); -+ for (attr_value = TREE_VALUE(section); attr_value; attr_value = TREE_CHAIN(attr_value)) { -+ const char *str = TREE_STRING_POINTER(TREE_VALUE(attr_value)); -+ -+ if (!strncmp(str, ".init.", 6)) -+ return str; -+ -+ if (!strncmp(str, ".exit.", 6)) -+ return str; -+ } -+ -+ return NULL; -+} -+ -+static tree get_string_cst(tree var) -+{ -+ if (var == NULL_TREE) -+ return NULL_TREE; -+ -+ if (TREE_CODE(var) == STRING_CST) -+ return var; -+ -+ switch (TREE_CODE_CLASS(TREE_CODE(var))) { -+ case tcc_expression: -+ case tcc_reference: { -+ int i; -+ -+ for (i = 0; i < TREE_OPERAND_LENGTH(var); i++) { -+ tree ret = get_string_cst(TREE_OPERAND(var, i)); -+ if (ret != NULL_TREE) -+ return ret; -+ } -+ break; -+ } -+ -+ default: -+ break; -+ } -+ -+ return NULL_TREE; -+} -+ -+static bool set_init_exit_section(tree decl, bool initexit) -+{ -+ const char *str; -+ -+ gcc_assert(DECL_P(decl)); -+ -+ str = get_init_exit_section(decl); -+ if (str) -+ return false; -+ -+ if (initexit) -+ set_decl_section_name(decl, ".init.rodata.str"); -+ else -+ set_decl_section_name(decl, ".exit.rodata.str"); -+ return true; -+} -+ -+static void search_local_strs(bool initexit) -+{ -+ unsigned int i; -+ tree var; -+ -+ FOR_EACH_LOCAL_DECL(cfun, i, var) { -+ tree str, init_val = DECL_INITIAL(var); -+ -+ if (init_val == NULL_TREE) -+ continue; -+ if (strcmp(DECL_NAME_POINTER(var), "__func__")) -+ continue; -+ -+ str = get_string_cst(init_val); -+ gcc_assert(str); -+ -+ if (set_init_exit_section(var, initexit) && verbose) -+ inform(DECL_SOURCE_LOCATION(var), "initified local var: %s: %s", DECL_NAME_POINTER(current_function_decl), TREE_STRING_POINTER(str)); -+ } -+} -+ -+static tree create_tmp_assign(gcall *stmt, unsigned int num) -+{ -+ tree str, type, decl, arg = gimple_call_arg(stmt, num); -+ -+ str = get_string_cst(arg); -+ decl = build_decl(DECL_SOURCE_LOCATION(current_function_decl), VAR_DECL, create_tmp_var_name("cicus"), TREE_TYPE(str)); -+ -+ type = TREE_TYPE(TREE_TYPE(decl)); -+ type = build_qualified_type(type, TYPE_QUALS(type) | TYPE_QUAL_CONST); -+ TYPE_READONLY(type) = 1; -+ TREE_PUBLIC(type) = 0; -+ -+ DECL_INITIAL(decl) = str; -+ DECL_CONTEXT(decl) = current_function_decl; -+ DECL_ARTIFICIAL(decl) = 1; -+ -+ TREE_STATIC(decl) = 1; -+ TREE_READONLY(decl) = 1; -+ TREE_ADDRESSABLE(decl) = 1; -+ TREE_USED(decl) = 1; -+ -+ add_referenced_var(decl); -+ add_local_decl(cfun, decl); -+ -+ varpool_add_new_variable(decl); -+ varpool_mark_needed_node(varpool_node(decl)); -+ -+ DECL_CHAIN(decl) = BLOCK_VARS(DECL_INITIAL(current_function_decl)); -+ BLOCK_VARS(DECL_INITIAL (current_function_decl)) = decl; -+ -+ decl = build_fold_addr_expr_loc(DECL_SOURCE_LOCATION(current_function_decl), decl); -+ gimple_call_set_arg(stmt, num, decl); -+ update_stmt(stmt); -+ -+ return TREE_OPERAND(decl, 0); -+} -+ -+static bool is_syscall(const_tree fn) -+{ -+ if (!strncmp(DECL_NAME_POINTER(fn), "sys_", 4)) -+ return true; -+ -+ if (!strncmp(DECL_NAME_POINTER(fn), "sys32_", 6)) -+ return true; -+ -+ if (!strncmp(DECL_NAME_POINTER(fn), "compat_sys_", 11)) -+ return true; -+ -+ return false; -+} -+ -+static bool is_vararg(const_tree fn) -+{ -+ tree arg_list; -+ -+ arg_list = TYPE_ARG_TYPES(TREE_TYPE(fn)); -+ if (arg_list == NULL_TREE) -+ return false; -+ -+ return tree_last(arg_list) != void_list_node; -+} -+ -+// __printf(1, 0), 0: turn off the varargs checking -+static bool check_varargs(const_tree attr) -+{ -+ const_tree attr_val; -+ -+ for (attr_val = TREE_VALUE(attr); attr_val; attr_val = TREE_CHAIN(attr_val)) { -+ if (TREE_VALUE(attr_val) == integer_zero_node) -+ return false; -+ } -+ return true; -+} -+ -+static bool is_nocapture_param(const_gimple stmt, unsigned int num) -+{ -+ unsigned int attr_arg_val = 0; -+ tree attr_val; -+ const_tree attr; -+ const_tree fndecl = gimple_call_fndecl(stmt); -+ -+ gcc_assert(DECL_ABSTRACT_ORIGIN(fndecl) == NULL_TREE); -+ -+ if (is_syscall(fndecl)) -+ return true; -+ -+ attr = lookup_attribute("nocapture", DECL_ATTRIBUTES(fndecl)); -+ for (attr_val = TREE_VALUE(attr); attr_val; attr_val = TREE_CHAIN(attr_val)) { -+ attr_arg_val = (unsigned int)tree_to_uhwi(TREE_VALUE(attr_val)); -+ -+ if (attr_arg_val == num + 1) -+ return true; -+ } -+ -+ if (!is_vararg(fndecl)) -+ return false; -+ if (!check_varargs(attr)) -+ return false; -+ return attr_arg_val < num + 1; -+} -+ -+static void search_str_param(gcall *stmt, bool initexit) -+{ -+ unsigned int num; -+ -+ for (num = 0; num < gimple_call_num_args(stmt); num++) { -+ tree var, str, arg = gimple_call_arg(stmt, num); -+ -+ str = get_string_cst(arg); -+ if (str == NULL_TREE) -+ continue; -+ -+ if (!is_nocapture_param(stmt, num)) -+ continue; -+ -+ var = create_tmp_assign(stmt, num); -+ if (set_init_exit_section(var, initexit) && verbose) -+ inform(gimple_location(stmt), "initified function arg: %s: [%s]", DECL_NAME_POINTER(current_function_decl), TREE_STRING_POINTER(str)); -+ } -+} -+ -+static bool has_nocapture_param(const gcall *stmt) -+{ -+ const_tree attr, fndecl = gimple_call_fndecl(stmt); -+ -+ if (fndecl == NULL_TREE) -+ return false; -+ -+ if (is_syscall(fndecl)) -+ return true; -+ -+ attr = lookup_attribute("nocapture", DECL_ATTRIBUTES(fndecl)); -+ return attr != NULL_TREE; -+} -+ -+static void search_const_strs(bool initexit) -+{ -+ basic_block bb; -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gcall *call_stmt; -+ gimple stmt = gsi_stmt(gsi); -+ -+ if (!is_gimple_call(stmt)) -+ continue; -+ -+ call_stmt = as_a_gcall(stmt); -+ if (has_nocapture_param(call_stmt)) -+ search_str_param(call_stmt, initexit); -+ } -+ } -+} -+ -+static unsigned int handle_function(void) -+{ -+ bool initexit; -+ const char *section = get_init_exit_section(current_function_decl); -+ -+ if (!section) -+ return 0; -+ -+ initexit = !strncmp(section, ".init.", 6); -+ search_local_strs(initexit); -+ search_const_strs(initexit); -+ -+ return 0; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data initify_plugin_pass_data = { -+#else -+static struct gimple_opt_pass initify_plugin_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "initify_plugin", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION >= 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = handle_function, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_dump_func | TODO_verify_ssa | TODO_verify_stmts | TODO_remove_unused_locals | TODO_update_ssa_no_phi | TODO_cleanup_cfg | TODO_ggc_collect | TODO_verify_flow -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class initify_plugin_pass : public gimple_opt_pass { -+public: -+ initify_plugin_pass() : gimple_opt_pass(initify_plugin_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return handle_function(); } -+#else -+ unsigned int execute() { return handle_function(); } -+#endif -+}; -+} -+ -+static struct opt_pass *make_initify_plugin_pass(void) -+{ -+ return new initify_plugin_pass(); -+} -+#else -+static struct opt_pass *make_initify_plugin_pass(void) -+{ -+ return &initify_plugin_pass.pass; -+} -+#endif -+ -+static unsigned int (*old_section_type_flags)(tree decl, const char *name, int reloc); -+ -+static unsigned int initify_section_type_flags(tree decl, const char *name, int reloc) -+{ -+ if (!strcmp(name, ".init.rodata.str") || !strcmp(name, ".exit.rodata.str")) { -+ gcc_assert(TREE_CODE(decl) == VAR_DECL); -+ gcc_assert(DECL_INITIAL(decl)); -+ gcc_assert(TREE_CODE(DECL_INITIAL(decl)) == STRING_CST); -+ -+ return 1 | SECTION_MERGE | SECTION_STRINGS; -+ } -+ -+ return old_section_type_flags(decl, name, reloc); -+} -+ -+static void initify_start_unit(void __unused *gcc_data, void __unused *user_data) -+{ -+ old_section_type_flags = targetm.section_type_flags; -+ targetm.section_type_flags = initify_section_type_flags; -+} -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ struct register_pass_info initify_plugin_pass_info; -+ -+ initify_plugin_pass_info.pass = make_initify_plugin_pass(); -+ initify_plugin_pass_info.reference_pass_name = "nrv"; -+ initify_plugin_pass_info.ref_pass_instance_number = 1; -+ initify_plugin_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &initify_plugin_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &initify_plugin_pass_info); -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ register_callback(plugin_name, PLUGIN_START_UNIT, initify_start_unit, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/kallocstat_plugin.c b/tools/gcc/kallocstat_plugin.c -new file mode 100644 -index 0000000..457d54e ---- /dev/null -+++ b/tools/gcc/kallocstat_plugin.c -@@ -0,0 +1,188 @@ -+/* -+ * Copyright 2011-2015 by the PaX Team pageexec@freemail.hu -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to find the distribution of k*alloc sizes -+ * -+ * TODO: -+ * -+ * BUGS: -+ * - none known -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info kallocstat_plugin_info = { -+ .version = "201401260140", -+ .help = NULL -+}; -+ -+static const char * const kalloc_functions[] = { -+ "__kmalloc", -+ "kmalloc", -+ "kmalloc_large", -+ "kmalloc_node", -+ "kmalloc_order", -+ "kmalloc_order_trace", -+ "kmalloc_slab", -+ "kzalloc", -+ "kzalloc_node", -+}; -+ -+static bool is_kalloc(const char *fnname) -+{ -+ size_t i; -+ -+ for (i = 0; i < ARRAY_SIZE(kalloc_functions); i++) -+ if (!strcmp(fnname, kalloc_functions[i])) -+ return true; -+ return false; -+} -+ -+static unsigned int execute_kallocstat(void) -+{ -+ basic_block bb; -+ -+ // 1. loop through BBs and GIMPLE statements -+ FOR_EACH_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ // gimple match: -+ tree fndecl, size; -+ gimple stmt; -+ const char *fnname; -+ -+ // is it a call -+ stmt = gsi_stmt(gsi); -+ if (!is_gimple_call(stmt)) -+ continue; -+ fndecl = gimple_call_fndecl(stmt); -+ if (fndecl == NULL_TREE) -+ continue; -+ if (TREE_CODE(fndecl) != FUNCTION_DECL) -+ continue; -+ -+ // is it a call to k*alloc -+ fnname = DECL_NAME_POINTER(fndecl); -+ if (!is_kalloc(fnname)) -+ continue; -+ -+ // is the size arg const or the result of a simple const assignment -+ size = gimple_call_arg(stmt, 0); -+ while (true) { -+ expanded_location xloc; -+ size_t size_val; -+ -+ if (TREE_CONSTANT(size)) { -+ xloc = expand_location(gimple_location(stmt)); -+ if (!xloc.file) -+ xloc = expand_location(DECL_SOURCE_LOCATION(current_function_decl)); -+ size_val = TREE_INT_CST_LOW(size); -+ fprintf(stderr, "kallocsize: %8zu %8zx %s %s:%u\n", size_val, size_val, fnname, xloc.file, xloc.line); -+ break; -+ } -+ -+ if (TREE_CODE(size) != SSA_NAME) -+ break; -+ stmt = SSA_NAME_DEF_STMT(size); -+//debug_gimple_stmt(stmt); -+//debug_tree(size); -+ if (!stmt || !is_gimple_assign(stmt)) -+ break; -+ if (gimple_num_ops(stmt) != 2) -+ break; -+ size = gimple_assign_rhs1(stmt); -+ } -+//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO); -+//debug_tree(gimple_call_fn(call_stmt)); -+//print_node(stderr, "pax", fndecl, 4); -+ } -+ } -+ -+ return 0; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data kallocstat_pass_data = { -+#else -+static struct gimple_opt_pass kallocstat_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "kallocstat", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = execute_kallocstat, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0 -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class kallocstat_pass : public gimple_opt_pass { -+public: -+ kallocstat_pass() : gimple_opt_pass(kallocstat_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return execute_kallocstat(); } -+#else -+ unsigned int execute() { return execute_kallocstat(); } -+#endif -+}; -+} -+ -+static opt_pass *make_kallocstat_pass(void) -+{ -+ return new kallocstat_pass(); -+} -+#else -+static struct opt_pass *make_kallocstat_pass(void) -+{ -+ return &kallocstat_pass.pass; -+} -+#endif -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ struct register_pass_info kallocstat_pass_info; -+ -+ kallocstat_pass_info.pass = make_kallocstat_pass(); -+ kallocstat_pass_info.reference_pass_name = "ssa"; -+ kallocstat_pass_info.ref_pass_instance_number = 1; -+ kallocstat_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &kallocstat_plugin_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kallocstat_pass_info); -+ -+ return 0; -+} -diff --git a/tools/gcc/kernexec_plugin.c b/tools/gcc/kernexec_plugin.c -new file mode 100644 -index 0000000..4838c8a ---- /dev/null -+++ b/tools/gcc/kernexec_plugin.c -@@ -0,0 +1,551 @@ -+/* -+ * Copyright 2011-2015 by the PaX Team pageexec@freemail.hu -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to make KERNEXEC/amd64 almost as good as it is on i386 -+ * -+ * TODO: -+ * -+ * BUGS: -+ * - none known -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info kernexec_plugin_info = { -+ .version = "201401260140", -+ .help = "method=[bts|or]\tinstrumentation method\n" -+}; -+ -+static void (*kernexec_instrument_fptr)(gimple_stmt_iterator *); -+static void (*kernexec_instrument_retaddr)(rtx); -+ -+/* -+ * add special KERNEXEC instrumentation: reload %r12 after it has been clobbered -+ */ -+static void kernexec_reload_fptr_mask(gimple_stmt_iterator *gsi) -+{ -+ gimple stmt; -+ gasm *asm_movabs_stmt; -+ -+ // build asm volatile("movabs $0x8000000000000000, %%r12\n\t" : : : ); -+ stmt = gimple_build_asm_vec("movabs $0x8000000000000000, %%r12\n\t", NULL, NULL, NULL, NULL); -+ asm_movabs_stmt = as_a_gasm(stmt); -+ gimple_asm_set_volatile(asm_movabs_stmt, true); -+ gsi_insert_after(gsi, asm_movabs_stmt, GSI_CONTINUE_LINKING); -+ update_stmt(asm_movabs_stmt); -+} -+ -+/* -+ * find all asm() stmts that clobber r12 and add a reload of r12 -+ */ -+static unsigned int execute_kernexec_reload(void) -+{ -+ basic_block bb; -+ -+ // 1. loop through BBs and GIMPLE statements -+ FOR_EACH_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ // gimple match: __asm__ ("" : : : "r12"); -+ gimple stmt; -+ gasm *asm_stmt; -+ size_t nclobbers; -+ -+ // is it an asm ... -+ stmt = gsi_stmt(gsi); -+ if (gimple_code(stmt) != GIMPLE_ASM) -+ continue; -+ -+ asm_stmt = as_a_gasm(stmt); -+ -+ // ... clobbering r12 -+ nclobbers = gimple_asm_nclobbers(asm_stmt); -+ while (nclobbers--) { -+ tree op = gimple_asm_clobber_op(asm_stmt, nclobbers); -+ if (strcmp(TREE_STRING_POINTER(TREE_VALUE(op)), "r12")) -+ continue; -+ kernexec_reload_fptr_mask(&gsi); -+//print_gimple_stmt(stderr, asm_stmt, 0, TDF_LINENO); -+ break; -+ } -+ } -+ } -+ -+ return 0; -+} -+ -+/* -+ * add special KERNEXEC instrumentation: force MSB of fptr to 1, which will produce -+ * a non-canonical address from a userland ptr and will just trigger a GPF on dereference -+ */ -+static void kernexec_instrument_fptr_bts(gimple_stmt_iterator *gsi) -+{ -+ gimple assign_intptr, assign_new_fptr; -+ gcall *call_stmt; -+ tree intptr, orptr, old_fptr, new_fptr, kernexec_mask; -+ -+ call_stmt = as_a_gcall(gsi_stmt(*gsi)); -+ old_fptr = gimple_call_fn(call_stmt); -+ -+ // create temporary unsigned long variable used for bitops and cast fptr to it -+ intptr = create_tmp_var(long_unsigned_type_node, "kernexec_bts"); -+ add_referenced_var(intptr); -+ intptr = make_ssa_name(intptr, NULL); -+ assign_intptr = gimple_build_assign(intptr, fold_convert(long_unsigned_type_node, old_fptr)); -+ SSA_NAME_DEF_STMT(intptr) = assign_intptr; -+ gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT); -+ update_stmt(assign_intptr); -+ -+ // apply logical or to temporary unsigned long and bitmask -+ kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0x8000000000000000LL); -+// kernexec_mask = build_int_cstu(long_long_unsigned_type_node, 0xffffffff80000000LL); -+ orptr = fold_build2(BIT_IOR_EXPR, long_long_unsigned_type_node, intptr, kernexec_mask); -+ intptr = make_ssa_name(SSA_NAME_VAR(intptr), NULL); -+ assign_intptr = gimple_build_assign(intptr, orptr); -+ SSA_NAME_DEF_STMT(intptr) = assign_intptr; -+ gsi_insert_before(gsi, assign_intptr, GSI_SAME_STMT); -+ update_stmt(assign_intptr); -+ -+ // cast temporary unsigned long back to a temporary fptr variable -+ new_fptr = create_tmp_var(TREE_TYPE(old_fptr), "kernexec_fptr"); -+ add_referenced_var(new_fptr); -+ new_fptr = make_ssa_name(new_fptr, NULL); -+ assign_new_fptr = gimple_build_assign(new_fptr, fold_convert(TREE_TYPE(old_fptr), intptr)); -+ SSA_NAME_DEF_STMT(new_fptr) = assign_new_fptr; -+ gsi_insert_before(gsi, assign_new_fptr, GSI_SAME_STMT); -+ update_stmt(assign_new_fptr); -+ -+ // replace call stmt fn with the new fptr -+ gimple_call_set_fn(call_stmt, new_fptr); -+ update_stmt(call_stmt); -+} -+ -+static void kernexec_instrument_fptr_or(gimple_stmt_iterator *gsi) -+{ -+ gimple stmt; -+ gasm *asm_or_stmt; -+ gcall *call_stmt; -+ tree old_fptr, new_fptr, input, output; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(tree, gc) *inputs = NULL; -+ VEC(tree, gc) *outputs = NULL; -+#else -+ vec<tree, va_gc> *inputs = NULL; -+ vec<tree, va_gc> *outputs = NULL; -+#endif -+ -+ call_stmt = as_a_gcall(gsi_stmt(*gsi)); -+ old_fptr = gimple_call_fn(call_stmt); -+ -+ // create temporary fptr variable -+ new_fptr = create_tmp_var(TREE_TYPE(old_fptr), "kernexec_or"); -+ add_referenced_var(new_fptr); -+ new_fptr = make_ssa_name(new_fptr, NULL); -+ -+ // build asm volatile("orq %%r12, %0\n\t" : "=r"(new_fptr) : "0"(old_fptr)); -+ input = build_tree_list(NULL_TREE, build_string(2, "0")); -+ input = chainon(NULL_TREE, build_tree_list(input, old_fptr)); -+ output = build_tree_list(NULL_TREE, build_string(3, "=r")); -+ output = chainon(NULL_TREE, build_tree_list(output, new_fptr)); -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_push(tree, gc, inputs, input); -+ VEC_safe_push(tree, gc, outputs, output); -+#else -+ vec_safe_push(inputs, input); -+ vec_safe_push(outputs, output); -+#endif -+ stmt = gimple_build_asm_vec("orq %%r12, %0\n\t", inputs, outputs, NULL, NULL); -+ asm_or_stmt = as_a_gasm(stmt); -+ SSA_NAME_DEF_STMT(new_fptr) = asm_or_stmt; -+ gimple_asm_set_volatile(asm_or_stmt, true); -+ gsi_insert_before(gsi, asm_or_stmt, GSI_SAME_STMT); -+ update_stmt(asm_or_stmt); -+ -+ // replace call stmt fn with the new fptr -+ gimple_call_set_fn(call_stmt, new_fptr); -+ update_stmt(call_stmt); -+} -+ -+/* -+ * find all C level function pointer dereferences and forcibly set the highest bit of the pointer -+ */ -+static unsigned int execute_kernexec_fptr(void) -+{ -+ basic_block bb; -+ -+ // 1. loop through BBs and GIMPLE statements -+ FOR_EACH_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ // gimple match: h_1 = get_fptr (); D.2709_3 = h_1 (x_2(D)); -+ tree fn; -+ gimple stmt; -+ gcall *call_stmt; -+ -+ // is it a call ... -+ stmt = gsi_stmt(gsi); -+ if (!is_gimple_call(stmt)) -+ continue; -+ call_stmt = as_a_gcall(stmt); -+ fn = gimple_call_fn(call_stmt); -+ if (TREE_CODE(fn) == ADDR_EXPR) -+ continue; -+ if (TREE_CODE(fn) != SSA_NAME) -+ gcc_unreachable(); -+ -+ // ... through a function pointer -+ if (SSA_NAME_VAR(fn) != NULL_TREE) { -+ fn = SSA_NAME_VAR(fn); -+ if (TREE_CODE(fn) != VAR_DECL && TREE_CODE(fn) != PARM_DECL) { -+ debug_tree(fn); -+ gcc_unreachable(); -+ } -+ } -+ fn = TREE_TYPE(fn); -+ if (TREE_CODE(fn) != POINTER_TYPE) -+ continue; -+ fn = TREE_TYPE(fn); -+ if (TREE_CODE(fn) != FUNCTION_TYPE) -+ continue; -+ -+ kernexec_instrument_fptr(&gsi); -+ -+//debug_tree(gimple_call_fn(call_stmt)); -+//print_gimple_stmt(stderr, call_stmt, 0, TDF_LINENO); -+ } -+ } -+ -+ return 0; -+} -+ -+// add special KERNEXEC instrumentation: btsq $63,(%rsp) just before retn -+static void kernexec_instrument_retaddr_bts(rtx insn) -+{ -+ rtx btsq; -+ rtvec argvec, constraintvec, labelvec; -+ int line; -+ -+ // create asm volatile("btsq $63,(%%rsp)":::) -+ argvec = rtvec_alloc(0); -+ constraintvec = rtvec_alloc(0); -+ labelvec = rtvec_alloc(0); -+ line = expand_location(RTL_LOCATION(insn)).line; -+ btsq = gen_rtx_ASM_OPERANDS(VOIDmode, "btsq $63,(%%rsp)", empty_string, 0, argvec, constraintvec, labelvec, line); -+ MEM_VOLATILE_P(btsq) = 1; -+// RTX_FRAME_RELATED_P(btsq) = 1; // not for ASM_OPERANDS -+ emit_insn_before(btsq, insn); -+} -+ -+// add special KERNEXEC instrumentation: orq %r12,(%rsp) just before retn -+static void kernexec_instrument_retaddr_or(rtx insn) -+{ -+ rtx orq; -+ rtvec argvec, constraintvec, labelvec; -+ int line; -+ -+ // create asm volatile("orq %%r12,(%%rsp)":::) -+ argvec = rtvec_alloc(0); -+ constraintvec = rtvec_alloc(0); -+ labelvec = rtvec_alloc(0); -+ line = expand_location(RTL_LOCATION(insn)).line; -+ orq = gen_rtx_ASM_OPERANDS(VOIDmode, "orq %%r12,(%%rsp)", empty_string, 0, argvec, constraintvec, labelvec, line); -+ MEM_VOLATILE_P(orq) = 1; -+// RTX_FRAME_RELATED_P(orq) = 1; // not for ASM_OPERANDS -+ emit_insn_before(orq, insn); -+} -+ -+/* -+ * find all asm level function returns and forcibly set the highest bit of the return address -+ */ -+static unsigned int execute_kernexec_retaddr(void) -+{ -+ rtx_insn *insn; -+ -+// if (stack_realign_drap) -+// inform(DECL_SOURCE_LOCATION(current_function_decl), "drap detected in %s\n", IDENTIFIER_POINTER(DECL_NAME(current_function_decl))); -+ -+ // 1. find function returns -+ for (insn = get_insns(); insn; insn = NEXT_INSN(insn)) { -+ // rtl match: (jump_insn 41 40 42 2 (return) fptr.c:42 634 {return_internal} (nil)) -+ // (jump_insn 12 9 11 2 (parallel [ (return) (unspec [ (0) ] UNSPEC_REP) ]) fptr.c:46 635 {return_internal_long} (nil)) -+ // (jump_insn 97 96 98 6 (simple_return) fptr.c:50 -1 (nil) -> simple_return) -+ rtx body; -+ -+ // is it a retn -+ if (!JUMP_P(insn)) -+ continue; -+ body = PATTERN(insn); -+ if (GET_CODE(body) == PARALLEL) -+ body = XVECEXP(body, 0, 0); -+ if (!ANY_RETURN_P(body)) -+ continue; -+ kernexec_instrument_retaddr(insn); -+ } -+ -+// print_simple_rtl(stderr, get_insns()); -+// print_rtl(stderr, get_insns()); -+ -+ return 0; -+} -+ -+static bool kernexec_cmodel_check(void) -+{ -+ tree section; -+ -+ if (ix86_cmodel != CM_KERNEL) -+ return false; -+ -+ section = lookup_attribute("section", DECL_ATTRIBUTES(current_function_decl)); -+ if (!section || !TREE_VALUE(section)) -+ return true; -+ -+ section = TREE_VALUE(TREE_VALUE(section)); -+ if (strncmp(TREE_STRING_POINTER(section), ".vsyscall_", 10)) -+ return true; -+ -+ return false; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data kernexec_reload_pass_data = { -+#else -+static struct gimple_opt_pass kernexec_reload_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "kernexec_reload", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = kernexec_cmodel_check, -+ .execute = execute_kernexec_reload, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data kernexec_fptr_pass_data = { -+#else -+static struct gimple_opt_pass kernexec_fptr_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "kernexec_fptr", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = kernexec_cmodel_check, -+ .execute = execute_kernexec_fptr, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa_no_phi -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data kernexec_retaddr_pass_data = { -+#else -+static struct rtl_opt_pass kernexec_retaddr_pass = { -+ .pass = { -+#endif -+ .type = RTL_PASS, -+ .name = "kernexec_retaddr", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = kernexec_cmodel_check, -+ .execute = execute_kernexec_retaddr, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_dump_func | TODO_ggc_collect -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class kernexec_reload_pass : public gimple_opt_pass { -+public: -+ kernexec_reload_pass() : gimple_opt_pass(kernexec_reload_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return kernexec_cmodel_check(); } -+ virtual unsigned int execute(function *) { return execute_kernexec_reload(); } -+#else -+ bool gate() { return kernexec_cmodel_check(); } -+ unsigned int execute() { return execute_kernexec_reload(); } -+#endif -+}; -+ -+class kernexec_fptr_pass : public gimple_opt_pass { -+public: -+ kernexec_fptr_pass() : gimple_opt_pass(kernexec_fptr_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return kernexec_cmodel_check(); } -+ virtual unsigned int execute(function *) { return execute_kernexec_fptr(); } -+#else -+ bool gate() { return kernexec_cmodel_check(); } -+ unsigned int execute() { return execute_kernexec_fptr(); } -+#endif -+}; -+ -+class kernexec_retaddr_pass : public rtl_opt_pass { -+public: -+ kernexec_retaddr_pass() : rtl_opt_pass(kernexec_retaddr_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return kernexec_cmodel_check(); } -+ virtual unsigned int execute(function *) { return execute_kernexec_retaddr(); } -+#else -+ bool gate() { return kernexec_cmodel_check(); } -+ unsigned int execute() { return execute_kernexec_retaddr(); } -+#endif -+}; -+} -+ -+static opt_pass *make_kernexec_reload_pass(void) -+{ -+ return new kernexec_reload_pass(); -+} -+ -+static opt_pass *make_kernexec_fptr_pass(void) -+{ -+ return new kernexec_fptr_pass(); -+} -+ -+static opt_pass *make_kernexec_retaddr_pass(void) -+{ -+ return new kernexec_retaddr_pass(); -+} -+#else -+static struct opt_pass *make_kernexec_reload_pass(void) -+{ -+ return &kernexec_reload_pass.pass; -+} -+ -+static struct opt_pass *make_kernexec_fptr_pass(void) -+{ -+ return &kernexec_fptr_pass.pass; -+} -+ -+static struct opt_pass *make_kernexec_retaddr_pass(void) -+{ -+ return &kernexec_retaddr_pass.pass; -+} -+#endif -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ int i; -+ struct register_pass_info kernexec_reload_pass_info; -+ struct register_pass_info kernexec_fptr_pass_info; -+ struct register_pass_info kernexec_retaddr_pass_info; -+ -+ kernexec_reload_pass_info.pass = make_kernexec_reload_pass(); -+ kernexec_reload_pass_info.reference_pass_name = "ssa"; -+ kernexec_reload_pass_info.ref_pass_instance_number = 1; -+ kernexec_reload_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ kernexec_fptr_pass_info.pass = make_kernexec_fptr_pass(); -+ kernexec_fptr_pass_info.reference_pass_name = "ssa"; -+ kernexec_fptr_pass_info.ref_pass_instance_number = 1; -+ kernexec_fptr_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ kernexec_retaddr_pass_info.pass = make_kernexec_retaddr_pass(); -+ kernexec_retaddr_pass_info.reference_pass_name = "pro_and_epilogue"; -+ kernexec_retaddr_pass_info.ref_pass_instance_number = 1; -+ kernexec_retaddr_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &kernexec_plugin_info); -+ -+ if (TARGET_64BIT == 0) -+ return 0; -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "method")) { -+ if (!argv[i].value) { -+ error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ continue; -+ } -+ if (!strcmp(argv[i].value, "bts")) { -+ kernexec_instrument_fptr = kernexec_instrument_fptr_bts; -+ kernexec_instrument_retaddr = kernexec_instrument_retaddr_bts; -+ } else if (!strcmp(argv[i].value, "or")) { -+ kernexec_instrument_fptr = kernexec_instrument_fptr_or; -+ kernexec_instrument_retaddr = kernexec_instrument_retaddr_or; -+ fix_register("r12", 1, 1); -+ } else -+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value); -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ if (!kernexec_instrument_fptr || !kernexec_instrument_retaddr) -+ error(G_("no instrumentation method was selected via '-fplugin-arg-%s-method'"), plugin_name); -+ -+ if (kernexec_instrument_fptr == kernexec_instrument_fptr_or) -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_reload_pass_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_fptr_pass_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &kernexec_retaddr_pass_info); -+ -+ return 0; -+} -diff --git a/tools/gcc/latent_entropy_plugin.c b/tools/gcc/latent_entropy_plugin.c -new file mode 100644 -index 0000000..ac6f9b4 ---- /dev/null -+++ b/tools/gcc/latent_entropy_plugin.c -@@ -0,0 +1,474 @@ -+/* -+ * Copyright 2012-2015 by the PaX Team pageexec@freemail.hu -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to help generate a little bit of entropy from program state, -+ * used throughout the uptime of the kernel -+ * -+ * TODO: -+ * - add ipa pass to identify not explicitly marked candidate functions -+ * - mix in more program state (function arguments/return values, loop variables, etc) -+ * - more instrumentation control via attribute parameters -+ * -+ * BUGS: -+ * - none known -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static GTY(()) tree latent_entropy_decl; -+ -+static struct plugin_info latent_entropy_plugin_info = { -+ .version = "201504282240", -+ .help = NULL -+}; -+ -+static unsigned HOST_WIDE_INT seed; -+static unsigned HOST_WIDE_INT get_random_const(void) -+{ -+ unsigned int i; -+ unsigned HOST_WIDE_INT ret = 0; -+ -+ for (i = 0; i < 8 * sizeof ret; i++) { -+ ret = (ret << 1) | (seed & 1); -+ seed >>= 1; -+ if (ret & 1) -+ seed ^= 0xD800000000000000ULL; -+ } -+ -+ return ret; -+} -+ -+static tree handle_latent_entropy_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ tree type; -+ unsigned long long mask; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(constructor_elt, gc) *vals; -+#else -+ vec<constructor_elt, va_gc> *vals; -+#endif -+ -+ switch (TREE_CODE(*node)) { -+ default: -+ *no_add_attrs = true; -+ error("%qE attribute only applies to functions and variables", name); -+ break; -+ -+ case VAR_DECL: -+ if (DECL_INITIAL(*node)) { -+ *no_add_attrs = true; -+ error("variable %qD with %qE attribute must not be initialized", *node, name); -+ break; -+ } -+ -+ if (!TREE_STATIC(*node)) { -+ *no_add_attrs = true; -+ error("variable %qD with %qE attribute must not be local", *node, name); -+ break; -+ } -+ -+ type = TREE_TYPE(*node); -+ switch (TREE_CODE(type)) { -+ default: -+ *no_add_attrs = true; -+ error("variable %qD with %qE attribute must be an integer or a fixed length integer array type or a fixed sized structure with integer fields", *node, name); -+ break; -+ -+ case RECORD_TYPE: { -+ tree field; -+ unsigned int nelt = 0; -+ -+ for (field = TYPE_FIELDS(type); field; nelt++, field = TREE_CHAIN(field)) { -+ tree fieldtype; -+ -+ fieldtype = TREE_TYPE(field); -+ if (TREE_CODE(fieldtype) != INTEGER_TYPE) { -+ *no_add_attrs = true; -+ error("structure variable %qD with %qE attribute has a non-integer field %qE", *node, name, field); -+ break; -+ } -+ } -+ -+ if (field) -+ break; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ vals = VEC_alloc(constructor_elt, gc, nelt); -+#else -+ vec_alloc(vals, nelt); -+#endif -+ -+ for (field = TYPE_FIELDS(type); field; field = TREE_CHAIN(field)) { -+ tree fieldtype; -+ -+ fieldtype = TREE_TYPE(field); -+ mask = 1ULL << (TREE_INT_CST_LOW(TYPE_SIZE(fieldtype)) - 1); -+ mask = 2 * (mask - 1) + 1; -+ -+ if (TYPE_UNSIGNED(fieldtype)) -+ CONSTRUCTOR_APPEND_ELT(vals, field, build_int_cstu(fieldtype, mask & get_random_const())); -+ else -+ CONSTRUCTOR_APPEND_ELT(vals, field, build_int_cst(fieldtype, mask & get_random_const())); -+ } -+ -+ DECL_INITIAL(*node) = build_constructor(type, vals); -+//debug_tree(DECL_INITIAL(*node)); -+ break; -+ } -+ -+ case INTEGER_TYPE: -+ mask = 1ULL << (TREE_INT_CST_LOW(TYPE_SIZE(type)) - 1); -+ mask = 2 * (mask - 1) + 1; -+ -+ if (TYPE_UNSIGNED(type)) -+ DECL_INITIAL(*node) = build_int_cstu(type, mask & get_random_const()); -+ else -+ DECL_INITIAL(*node) = build_int_cst(type, mask & get_random_const()); -+ break; -+ -+ case ARRAY_TYPE: { -+ tree elt_type, array_size, elt_size; -+ unsigned int i, nelt; -+ -+ elt_type = TREE_TYPE(type); -+ elt_size = TYPE_SIZE_UNIT(TREE_TYPE(type)); -+ array_size = TYPE_SIZE_UNIT(type); -+ -+ if (TREE_CODE(elt_type) != INTEGER_TYPE || !array_size || TREE_CODE(array_size) != INTEGER_CST) { -+ *no_add_attrs = true; -+ error("array variable %qD with %qE attribute must be a fixed length integer array type", *node, name); -+ break; -+ } -+ -+ nelt = TREE_INT_CST_LOW(array_size) / TREE_INT_CST_LOW(elt_size); -+#if BUILDING_GCC_VERSION <= 4007 -+ vals = VEC_alloc(constructor_elt, gc, nelt); -+#else -+ vec_alloc(vals, nelt); -+#endif -+ -+ mask = 1ULL << (TREE_INT_CST_LOW(TYPE_SIZE(elt_type)) - 1); -+ mask = 2 * (mask - 1) + 1; -+ -+ for (i = 0; i < nelt; i++) -+ if (TYPE_UNSIGNED(elt_type)) -+ CONSTRUCTOR_APPEND_ELT(vals, size_int(i), build_int_cstu(elt_type, mask & get_random_const())); -+ else -+ CONSTRUCTOR_APPEND_ELT(vals, size_int(i), build_int_cst(elt_type, mask & get_random_const())); -+ -+ DECL_INITIAL(*node) = build_constructor(type, vals); -+//debug_tree(DECL_INITIAL(*node)); -+ break; -+ } -+ } -+ break; -+ -+ case FUNCTION_DECL: -+ break; -+ } -+ -+ return NULL_TREE; -+} -+ -+static struct attribute_spec latent_entropy_attr = { -+ .name = "latent_entropy", -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = true, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_latent_entropy_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static void register_attributes(void *event_data, void *data) -+{ -+ register_attribute(&latent_entropy_attr); -+} -+ -+static bool gate_latent_entropy(void) -+{ -+ // don't bother with noreturn functions for now -+ if (TREE_THIS_VOLATILE(current_function_decl)) -+ return false; -+ -+ // gcc-4.5 doesn't discover some trivial noreturn functions -+ if (EDGE_COUNT(EXIT_BLOCK_PTR_FOR_FN(cfun)->preds) == 0) -+ return false; -+ -+ return lookup_attribute("latent_entropy", DECL_ATTRIBUTES(current_function_decl)) != NULL_TREE; -+} -+ -+static enum tree_code get_op(tree *rhs) -+{ -+ static enum tree_code op; -+ unsigned HOST_WIDE_INT random_const; -+ -+ random_const = get_random_const(); -+ -+ switch (op) { -+ case BIT_XOR_EXPR: -+ op = PLUS_EXPR; -+ break; -+ -+ case PLUS_EXPR: -+ if (rhs) { -+ op = LROTATE_EXPR; -+ random_const &= HOST_BITS_PER_WIDE_INT - 1; -+ break; -+ } -+ -+ case LROTATE_EXPR: -+ default: -+ op = BIT_XOR_EXPR; -+ break; -+ } -+ if (rhs) -+ *rhs = build_int_cstu(unsigned_intDI_type_node, random_const); -+ return op; -+} -+ -+static void perturb_local_entropy(basic_block bb, tree local_entropy) -+{ -+ gimple_stmt_iterator gsi; -+ gimple assign; -+ tree addxorrol, rhs; -+ enum tree_code op; -+ -+ op = get_op(&rhs); -+ addxorrol = fold_build2_loc(UNKNOWN_LOCATION, op, unsigned_intDI_type_node, local_entropy, rhs); -+ assign = gimple_build_assign(local_entropy, addxorrol); -+ gsi = gsi_after_labels(bb); -+ gsi_insert_before(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+//debug_bb(bb); -+} -+ -+static void perturb_latent_entropy(basic_block bb, tree rhs) -+{ -+ gimple_stmt_iterator gsi; -+ gimple assign; -+ tree addxorrol, temp; -+ -+ // 1. create temporary copy of latent_entropy -+ temp = create_tmp_var(unsigned_intDI_type_node, "temp_latent_entropy"); -+ add_referenced_var(temp); -+ -+ // 2. read... -+ temp = make_ssa_name(temp, NULL); -+ assign = gimple_build_assign(temp, latent_entropy_decl); -+ SSA_NAME_DEF_STMT(temp) = assign; -+ add_referenced_var(latent_entropy_decl); -+ gsi = gsi_after_labels(bb); -+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+ -+ // 3. ...modify... -+ addxorrol = fold_build2_loc(UNKNOWN_LOCATION, get_op(NULL), unsigned_intDI_type_node, temp, rhs); -+ temp = make_ssa_name(SSA_NAME_VAR(temp), NULL); -+ assign = gimple_build_assign(temp, addxorrol); -+ SSA_NAME_DEF_STMT(temp) = assign; -+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+ -+ // 4. ...write latent_entropy -+ assign = gimple_build_assign(latent_entropy_decl, temp); -+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+} -+ -+static unsigned int execute_latent_entropy(void) -+{ -+ basic_block bb; -+ gimple assign; -+ gimple_stmt_iterator gsi; -+ tree local_entropy; -+ -+ if (!latent_entropy_decl) { -+#if BUILDING_GCC_VERSION >= 4009 -+ varpool_node *node; -+#else -+ struct varpool_node *node; -+#endif -+ -+ FOR_EACH_VARIABLE(node) { -+ tree var = NODE_DECL(node); -+ -+ if (DECL_NAME_LENGTH(var) < sizeof("latent_entropy") - 1) -+ continue; -+ if (strcmp(IDENTIFIER_POINTER(DECL_NAME(var)), "latent_entropy")) -+ continue; -+ latent_entropy_decl = var; -+// debug_tree(var); -+ break; -+ } -+ if (!latent_entropy_decl) { -+// debug_tree(current_function_decl); -+ return 0; -+ } -+ } -+ -+//fprintf(stderr, "latent_entropy: %s\n", IDENTIFIER_POINTER(DECL_NAME(current_function_decl))); -+ -+ // 1. create local entropy variable -+ local_entropy = create_tmp_var(unsigned_intDI_type_node, "local_entropy"); -+ add_referenced_var(local_entropy); -+ mark_sym_for_renaming(local_entropy); -+ -+ // 2. initialize local entropy variable -+ bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest; -+ if (dom_info_available_p(CDI_DOMINATORS)) -+ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR_FOR_FN(cfun)); -+ gsi = gsi_start_bb(bb); -+ -+ assign = gimple_build_assign(local_entropy, build_int_cstu(unsigned_intDI_type_node, get_random_const())); -+// gimple_set_location(assign, loc); -+ gsi_insert_after(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+//debug_bb(bb); -+ gcc_assert(single_succ_p(bb)); -+ bb = single_succ(bb); -+ -+ // 3. instrument each BB with an operation on the local entropy variable -+ while (bb != EXIT_BLOCK_PTR_FOR_FN(cfun)) { -+ perturb_local_entropy(bb, local_entropy); -+//debug_bb(bb); -+ bb = bb->next_bb; -+ }; -+ -+ // 4. mix local entropy into the global entropy variable -+ gcc_assert(single_pred_p(EXIT_BLOCK_PTR_FOR_FN(cfun))); -+ perturb_latent_entropy(single_pred(EXIT_BLOCK_PTR_FOR_FN(cfun)), local_entropy); -+//debug_bb(single_pred(EXIT_BLOCK_PTR_FOR_FN(cfun))); -+ return 0; -+} -+ -+static void latent_entropy_start_unit(void *gcc_data, void *user_data) -+{ -+ tree latent_entropy_type; -+ -+ seed = get_random_seed(false); -+ -+ if (in_lto_p) -+ return; -+ -+ // extern volatile u64 latent_entropy -+ gcc_assert(TYPE_PRECISION(long_long_unsigned_type_node) == 64); -+ latent_entropy_type = build_qualified_type(long_long_unsigned_type_node, TYPE_QUALS(long_long_unsigned_type_node) | TYPE_QUAL_VOLATILE); -+ latent_entropy_decl = build_decl(UNKNOWN_LOCATION, VAR_DECL, get_identifier("latent_entropy"), latent_entropy_type); -+ -+ TREE_STATIC(latent_entropy_decl) = 1; -+ TREE_PUBLIC(latent_entropy_decl) = 1; -+ TREE_USED(latent_entropy_decl) = 1; -+ DECL_PRESERVE_P(latent_entropy_decl) = 1; -+ TREE_THIS_VOLATILE(latent_entropy_decl) = 1; -+ DECL_EXTERNAL(latent_entropy_decl) = 1; -+ DECL_ARTIFICIAL(latent_entropy_decl) = 1; -+ lang_hooks.decls.pushdecl(latent_entropy_decl); -+// DECL_ASSEMBLER_NAME(latent_entropy_decl); -+// varpool_finalize_decl(latent_entropy_decl); -+// varpool_mark_needed_node(latent_entropy_decl); -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data latent_entropy_pass_data = { -+#else -+static struct gimple_opt_pass latent_entropy_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "latent_entropy", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = gate_latent_entropy, -+ .execute = execute_latent_entropy, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = PROP_gimple_leh | PROP_cfg, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, //TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts, -+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_update_ssa -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class latent_entropy_pass : public gimple_opt_pass { -+public: -+ latent_entropy_pass() : gimple_opt_pass(latent_entropy_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return gate_latent_entropy(); } -+ virtual unsigned int execute(function *) { return execute_latent_entropy(); } -+#else -+ bool gate() { return gate_latent_entropy(); } -+ unsigned int execute() { return execute_latent_entropy(); } -+#endif -+}; -+} -+ -+static opt_pass *make_latent_entropy_pass(void) -+{ -+ return new latent_entropy_pass(); -+} -+#else -+static struct opt_pass *make_latent_entropy_pass(void) -+{ -+ return &latent_entropy_pass.pass; -+} -+#endif -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ struct register_pass_info latent_entropy_pass_info; -+ -+ latent_entropy_pass_info.pass = make_latent_entropy_pass(); -+ latent_entropy_pass_info.reference_pass_name = "optimized"; -+ latent_entropy_pass_info.ref_pass_instance_number = 1; -+ latent_entropy_pass_info.pos_op = PASS_POS_INSERT_BEFORE; -+ static const struct ggc_root_tab gt_ggc_r_gt_latent_entropy[] = { -+ { -+ .base = &latent_entropy_decl, -+ .nelt = 1, -+ .stride = sizeof(latent_entropy_decl), -+ .cb = &gt_ggc_mx_tree_node, -+ .pchw = &gt_pch_nx_tree_node -+ }, -+ LAST_GGC_ROOT_TAB -+ }; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &latent_entropy_plugin_info); -+ register_callback(plugin_name, PLUGIN_START_UNIT, &latent_entropy_start_unit, NULL); -+ register_callback(plugin_name, PLUGIN_REGISTER_GGC_ROOTS, NULL, (void *)&gt_ggc_r_gt_latent_entropy); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &latent_entropy_pass_info); -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/randomize_layout_plugin.c b/tools/gcc/randomize_layout_plugin.c -new file mode 100644 -index 0000000..06a039c ---- /dev/null -+++ b/tools/gcc/randomize_layout_plugin.c -@@ -0,0 +1,930 @@ -+/* -+ * Copyright 2014,2015 by Open Source Security, Inc., Brad Spengler spender@grsecurity.net -+ * and PaX Team pageexec@freemail.hu -+ * Licensed under the GPL v2 -+ * -+ * Usage: -+ * $ # for 4.5/4.6/C based 4.7 -+ * $ gcc -I`gcc -print-file-name=plugin`/include -I`gcc -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o randomize_layout_plugin.so randomize_layout_plugin.c -+ * $ # for C++ based 4.7/4.8+ -+ * $ g++ -I`g++ -print-file-name=plugin`/include -I`g++ -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o randomize_layout_plugin.so randomize_layout_plugin.c -+ * $ gcc -fplugin=./randomize_layout_plugin.so test.c -O2 -+ */ -+ -+#include "gcc-common.h" -+#include "randomize_layout_seed.h" -+ -+#if BUILDING_GCC_MAJOR < 4 || (BUILDING_GCC_MAJOR == 4 && BUILDING_GCC_MINOR < 6) || \ -+ (BUILDING_GCC_MAJOR == 4 && BUILDING_GCC_MINOR == 6 && BUILDING_GCC_PATCHLEVEL < 4) -+#error "The RANDSTRUCT plugin requires GCC 4.6.4 or newer." -+#endif -+ -+#define ORIG_TYPE_NAME(node) \ -+ (TYPE_NAME(TYPE_MAIN_VARIANT(node)) != NULL_TREE ? ((const unsigned char *)IDENTIFIER_POINTER(TYPE_NAME(TYPE_MAIN_VARIANT(node)))) : (const unsigned char *)"anonymous") -+ -+int plugin_is_GPL_compatible; -+ -+static int performance_mode; -+ -+static struct plugin_info randomize_layout_plugin_info = { -+ .version = "201402201816", -+ .help = "disable\t\t\tdo not activate plugin\n" -+ "performance-mode\tenable cacheline-aware layout randomization\n" -+}; -+ -+/* from old Linux dcache.h */ -+static inline unsigned long -+partial_name_hash(unsigned long c, unsigned long prevhash) -+{ -+ return (prevhash + (c << 4) + (c >> 4)) * 11; -+} -+static inline unsigned int -+name_hash(const unsigned char *name) -+{ -+ unsigned long hash = 0; -+ unsigned int len = strlen((const char *)name); -+ while (len--) -+ hash = partial_name_hash(*name++, hash); -+ return (unsigned int)hash; -+} -+ -+static tree handle_randomize_layout_attr(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ tree type; -+ -+ *no_add_attrs = true; -+ if (TREE_CODE(*node) == FUNCTION_DECL) { -+ error("%qE attribute does not apply to functions (%qF)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) == PARM_DECL) { -+ error("%qE attribute does not apply to function parameters (%qD)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TREE_CODE(*node) == VAR_DECL) { -+ error("%qE attribute does not apply to variables (%qD)", name, *node); -+ return NULL_TREE; -+ } -+ -+ if (TYPE_P(*node)) { -+ type = *node; -+ } else { -+ gcc_assert(TREE_CODE(*node) == TYPE_DECL); -+ type = TREE_TYPE(*node); -+ } -+ -+ if (TREE_CODE(type) != RECORD_TYPE) { -+ error("%qE attribute used on %qT applies to struct types only", name, type); -+ return NULL_TREE; -+ } -+ -+ if (lookup_attribute(IDENTIFIER_POINTER(name), TYPE_ATTRIBUTES(type))) { -+ error("%qE attribute is already applied to the type %qT", name, type); -+ return NULL_TREE; -+ } -+ -+ *no_add_attrs = false; -+ -+ return NULL_TREE; -+} -+ -+/* set on complete types that we don't need to inspect further at all */ -+static tree handle_randomize_considered_attr(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ *no_add_attrs = false; -+ return NULL_TREE; -+} -+ -+/* -+ * set on types that we've performed a shuffle on, to prevent re-shuffling -+ * this does not preclude us from inspecting its fields for potential shuffles -+ */ -+static tree handle_randomize_performed_attr(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ *no_add_attrs = false; -+ return NULL_TREE; -+} -+ -+/* -+ * 64bit variant of Bob Jenkins' public domain PRNG -+ * 256 bits of internal state -+ */ -+ -+typedef unsigned long long u64; -+ -+typedef struct ranctx { u64 a; u64 b; u64 c; u64 d; } ranctx; -+ -+#define rot(x,k) (((x)<<(k))|((x)>>(64-(k)))) -+static u64 ranval(ranctx *x) { -+ u64 e = x->a - rot(x->b, 7); -+ x->a = x->b ^ rot(x->c, 13); -+ x->b = x->c + rot(x->d, 37); -+ x->c = x->d + e; -+ x->d = e + x->a; -+ return x->d; -+} -+ -+static void raninit(ranctx *x, u64 *seed) { -+ int i; -+ -+ x->a = seed[0]; -+ x->b = seed[1]; -+ x->c = seed[2]; -+ x->d = seed[3]; -+ -+ for (i=0; i < 30; ++i) -+ (void)ranval(x); -+} -+ -+static u64 shuffle_seed[4]; -+ -+struct partition_group { -+ tree tree_start; -+ unsigned long start; -+ unsigned long length; -+}; -+ -+static void partition_struct(tree *fields, unsigned long length, struct partition_group *size_groups, unsigned long *num_groups) -+{ -+ unsigned long i; -+ unsigned long accum_size = 0; -+ unsigned long accum_length = 0; -+ unsigned long group_idx = 0; -+ -+ gcc_assert(length < INT_MAX); -+ -+ memset(size_groups, 0, sizeof(struct partition_group) * length); -+ -+ for (i = 0; i < length; i++) { -+ if (size_groups[group_idx].tree_start == NULL_TREE) { -+ size_groups[group_idx].tree_start = fields[i]; -+ size_groups[group_idx].start = i; -+ accum_length = 0; -+ accum_size = 0; -+ } -+ accum_size += (unsigned long)int_size_in_bytes(TREE_TYPE(fields[i])); -+ accum_length++; -+ if (accum_size >= 64) { -+ size_groups[group_idx].length = accum_length; -+ accum_length = 0; -+ group_idx++; -+ } -+ } -+ -+ if (size_groups[group_idx].tree_start != NULL_TREE && -+ !size_groups[group_idx].length) { -+ size_groups[group_idx].length = accum_length; -+ group_idx++; -+ } -+ -+ *num_groups = group_idx; -+} -+ -+static void performance_shuffle(tree *newtree, unsigned long length, ranctx *prng_state) -+{ -+ unsigned long i, x; -+ struct partition_group size_group[length]; -+ unsigned long num_groups = 0; -+ unsigned long randnum; -+ -+ partition_struct(newtree, length, (struct partition_group *)&size_group, &num_groups); -+ for (i = num_groups - 1; i > 0; i--) { -+ struct partition_group tmp; -+ randnum = ranval(prng_state) % (i + 1); -+ tmp = size_group[i]; -+ size_group[i] = size_group[randnum]; -+ size_group[randnum] = tmp; -+ } -+ -+ for (x = 0; x < num_groups; x++) { -+ for (i = size_group[x].start + size_group[x].length - 1; i > size_group[x].start; i--) { -+ tree tmp; -+ if (DECL_BIT_FIELD_TYPE(newtree[i])) -+ continue; -+ randnum = ranval(prng_state) % (i + 1); -+ // we could handle this case differently if desired -+ if (DECL_BIT_FIELD_TYPE(newtree[randnum])) -+ continue; -+ tmp = newtree[i]; -+ newtree[i] = newtree[randnum]; -+ newtree[randnum] = tmp; -+ } -+ } -+} -+ -+static void full_shuffle(tree *newtree, unsigned long length, ranctx *prng_state) -+{ -+ unsigned long i, randnum; -+ -+ for (i = length - 1; i > 0; i--) { -+ tree tmp; -+ randnum = ranval(prng_state) % (i + 1); -+ tmp = newtree[i]; -+ newtree[i] = newtree[randnum]; -+ newtree[randnum] = tmp; -+ } -+} -+ -+/* modern in-place Fisher-Yates shuffle */ -+static void shuffle(const_tree type, tree *newtree, unsigned long length) -+{ -+ unsigned long i; -+ u64 seed[4]; -+ ranctx prng_state; -+ const unsigned char *structname; -+ -+ if (length == 0) -+ return; -+ -+ gcc_assert(TREE_CODE(type) == RECORD_TYPE); -+ -+ structname = ORIG_TYPE_NAME(type); -+ -+#ifdef __DEBUG_PLUGIN -+ fprintf(stderr, "Shuffling struct %s %p\n", (const char *)structname, type); -+#ifdef __DEBUG_VERBOSE -+ debug_tree((tree)type); -+#endif -+#endif -+ -+ for (i = 0; i < 4; i++) { -+ seed[i] = shuffle_seed[i]; -+ seed[i] ^= name_hash(structname); -+ } -+ -+ raninit(&prng_state, (u64 *)&seed); -+ -+ if (performance_mode) -+ performance_shuffle(newtree, length, &prng_state); -+ else -+ full_shuffle(newtree, length, &prng_state); -+} -+ -+static bool is_flexible_array(const_tree field) -+{ -+ const_tree fieldtype; -+ const_tree typesize; -+ const_tree elemtype; -+ const_tree elemsize; -+ -+ fieldtype = TREE_TYPE(field); -+ typesize = TYPE_SIZE(fieldtype); -+ -+ if (TREE_CODE(fieldtype) != ARRAY_TYPE) -+ return false; -+ -+ elemtype = TREE_TYPE(fieldtype); -+ elemsize = TYPE_SIZE(elemtype); -+ -+ /* size of type is represented in bits */ -+ -+ if (typesize == NULL_TREE && TYPE_DOMAIN(fieldtype) != NULL_TREE && -+ TYPE_MAX_VALUE(TYPE_DOMAIN(fieldtype)) == NULL_TREE) -+ return true; -+ -+ if (typesize != NULL_TREE && -+ (TREE_CONSTANT(typesize) && (!TREE_INT_CST_LOW(typesize) || -+ TREE_INT_CST_LOW(typesize) == TREE_INT_CST_LOW(elemsize)))) -+ return true; -+ -+ return false; -+} -+ -+static int relayout_struct(tree type) -+{ -+ unsigned long num_fields = (unsigned long)list_length(TYPE_FIELDS(type)); -+ unsigned long shuffle_length = num_fields; -+ tree field; -+ tree newtree[num_fields]; -+ unsigned long i; -+ tree list; -+ tree variant; -+ tree main_variant; -+ expanded_location xloc; -+ -+ if (TYPE_FIELDS(type) == NULL_TREE) -+ return 0; -+ -+ if (num_fields < 2) -+ return 0; -+ -+ gcc_assert(TREE_CODE(type) == RECORD_TYPE); -+ -+ gcc_assert(num_fields < INT_MAX); -+ -+ if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(type)) || -+ lookup_attribute("no_randomize_layout", TYPE_ATTRIBUTES(TYPE_MAIN_VARIANT(type)))) -+ return 0; -+ -+ /* Workaround for 3rd-party VirtualBox source that we can't modify ourselves */ -+ if (!strcmp((const char *)ORIG_TYPE_NAME(type), "INTNETTRUNKFACTORY") || -+ !strcmp((const char *)ORIG_TYPE_NAME(type), "RAWPCIFACTORY")) -+ return 0; -+ -+ /* throw out any structs in uapi */ -+ xloc = expand_location(DECL_SOURCE_LOCATION(TYPE_FIELDS(type))); -+ -+ if (strstr(xloc.file, "/uapi/")) -+ error(G_("attempted to randomize userland API struct %s"), ORIG_TYPE_NAME(type)); -+ -+ for (field = TYPE_FIELDS(type), i = 0; field; field = TREE_CHAIN(field), i++) { -+ gcc_assert(TREE_CODE(field) == FIELD_DECL); -+ newtree[i] = field; -+ } -+ -+ /* -+ * enforce that we don't randomize the layout of the last -+ * element of a struct if it's a 0 or 1-length array -+ * or a proper flexible array -+ */ -+ if (is_flexible_array(newtree[num_fields - 1])) -+ shuffle_length--; -+ -+ shuffle(type, (tree *)newtree, shuffle_length); -+ -+ /* -+ * set up a bogus anonymous struct field designed to error out on unnamed struct initializers -+ * as gcc provides no other way to detect such code -+ */ -+ list = make_node(FIELD_DECL); -+ TREE_CHAIN(list) = newtree[0]; -+ TREE_TYPE(list) = void_type_node; -+ DECL_SIZE(list) = bitsize_zero_node; -+ DECL_NONADDRESSABLE_P(list) = 1; -+ DECL_FIELD_BIT_OFFSET(list) = bitsize_zero_node; -+ DECL_SIZE_UNIT(list) = size_zero_node; -+ DECL_FIELD_OFFSET(list) = size_zero_node; -+ DECL_CONTEXT(list) = type; -+ // to satisfy the constify plugin -+ TREE_READONLY(list) = 1; -+ -+ for (i = 0; i < num_fields - 1; i++) -+ TREE_CHAIN(newtree[i]) = newtree[i+1]; -+ TREE_CHAIN(newtree[num_fields - 1]) = NULL_TREE; -+ -+ main_variant = TYPE_MAIN_VARIANT(type); -+ for (variant = main_variant; variant; variant = TYPE_NEXT_VARIANT(variant)) { -+ TYPE_FIELDS(variant) = list; -+ TYPE_ATTRIBUTES(variant) = copy_list(TYPE_ATTRIBUTES(variant)); -+ TYPE_ATTRIBUTES(variant) = tree_cons(get_identifier("randomize_performed"), NULL_TREE, TYPE_ATTRIBUTES(variant)); -+ } -+ -+ /* -+ * force a re-layout of the main variant -+ * the TYPE_SIZE for all variants will be recomputed -+ * by finalize_type_size() -+ */ -+ TYPE_SIZE(main_variant) = NULL_TREE; -+ layout_type(main_variant); -+ gcc_assert(TYPE_SIZE(main_variant) != NULL_TREE); -+ -+ return 1; -+} -+ -+/* from constify plugin */ -+static const_tree get_field_type(const_tree field) -+{ -+ return strip_array_types(TREE_TYPE(field)); -+} -+ -+/* from constify plugin */ -+static bool is_fptr(const_tree fieldtype) -+{ -+ if (TREE_CODE(fieldtype) != POINTER_TYPE) -+ return false; -+ -+ return TREE_CODE(TREE_TYPE(fieldtype)) == FUNCTION_TYPE; -+} -+ -+/* derived from constify plugin */ -+static int is_pure_ops_struct(const_tree node) -+{ -+ const_tree field; -+ -+ gcc_assert(TREE_CODE(node) == RECORD_TYPE || TREE_CODE(node) == UNION_TYPE); -+ -+ for (field = TYPE_FIELDS(node); field; field = TREE_CHAIN(field)) { -+ const_tree fieldtype = get_field_type(field); -+ enum tree_code code = TREE_CODE(fieldtype); -+ -+ if (node == fieldtype) -+ continue; -+ -+ if (!is_fptr(fieldtype)) -+ return 0; -+ -+ if (code != RECORD_TYPE && code != UNION_TYPE) -+ continue; -+ -+ if (!is_pure_ops_struct(fieldtype)) -+ return 0; -+ } -+ -+ return 1; -+} -+ -+static void randomize_type(tree type) -+{ -+ tree variant; -+ -+ gcc_assert(TREE_CODE(type) == RECORD_TYPE); -+ -+ if (lookup_attribute("randomize_considered", TYPE_ATTRIBUTES(type))) -+ return; -+ -+ if (lookup_attribute("randomize_layout", TYPE_ATTRIBUTES(TYPE_MAIN_VARIANT(type))) || is_pure_ops_struct(type)) -+ relayout_struct(type); -+ -+ for (variant = TYPE_MAIN_VARIANT(type); variant; variant = TYPE_NEXT_VARIANT(variant)) { -+ TYPE_ATTRIBUTES(type) = copy_list(TYPE_ATTRIBUTES(type)); -+ TYPE_ATTRIBUTES(type) = tree_cons(get_identifier("randomize_considered"), NULL_TREE, TYPE_ATTRIBUTES(type)); -+ } -+#ifdef __DEBUG_PLUGIN -+ fprintf(stderr, "Marking randomize_considered on struct %s\n", ORIG_TYPE_NAME(type)); -+#ifdef __DEBUG_VERBOSE -+ debug_tree(type); -+#endif -+#endif -+} -+ -+static void randomize_layout_finish_decl(void *event_data, void *data) -+{ -+ tree decl = (tree)event_data; -+ tree type; -+ -+ if (decl == NULL_TREE || decl == error_mark_node) -+ return; -+ -+ type = TREE_TYPE(decl); -+ -+ if (TREE_CODE(decl) != VAR_DECL) -+ return; -+ -+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) -+ return; -+ -+ if (!lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(type))) -+ return; -+ -+ relayout_decl(decl); -+} -+ -+static void finish_type(void *event_data, void *data) -+{ -+ tree type = (tree)event_data; -+ -+ if (type == NULL_TREE || type == error_mark_node) -+ return; -+ -+ if (TREE_CODE(type) != RECORD_TYPE) -+ return; -+ -+ if (TYPE_FIELDS(type) == NULL_TREE) -+ return; -+ -+ if (lookup_attribute("randomize_considered", TYPE_ATTRIBUTES(type))) -+ return; -+ -+#ifdef __DEBUG_PLUGIN -+ fprintf(stderr, "Calling randomize_type on %s\n", ORIG_TYPE_NAME(type)); -+#endif -+#ifdef __DEBUG_VERBOSE -+ debug_tree(type); -+#endif -+ randomize_type(type); -+ -+ return; -+} -+ -+static struct attribute_spec randomize_layout_attr = { -+ .name = "randomize_layout", -+ // related to args -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ // need type declaration -+ .type_required = true, -+ .function_type_required = false, -+ .handler = handle_randomize_layout_attr, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = true -+#endif -+}; -+ -+static struct attribute_spec no_randomize_layout_attr = { -+ .name = "no_randomize_layout", -+ // related to args -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ // need type declaration -+ .type_required = true, -+ .function_type_required = false, -+ .handler = handle_randomize_layout_attr, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = true -+#endif -+}; -+ -+static struct attribute_spec randomize_considered_attr = { -+ .name = "randomize_considered", -+ // related to args -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ // need type declaration -+ .type_required = true, -+ .function_type_required = false, -+ .handler = handle_randomize_considered_attr, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static struct attribute_spec randomize_performed_attr = { -+ .name = "randomize_performed", -+ // related to args -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ // need type declaration -+ .type_required = true, -+ .function_type_required = false, -+ .handler = handle_randomize_performed_attr, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static void register_attributes(void *event_data, void *data) -+{ -+ register_attribute(&randomize_layout_attr); -+ register_attribute(&no_randomize_layout_attr); -+ register_attribute(&randomize_considered_attr); -+ register_attribute(&randomize_performed_attr); -+} -+ -+static void check_bad_casts_in_constructor(tree var, tree init) -+{ -+ unsigned HOST_WIDE_INT idx; -+ tree field, val; -+ tree field_type, val_type; -+ -+ FOR_EACH_CONSTRUCTOR_ELT(CONSTRUCTOR_ELTS(init), idx, field, val) { -+ if (TREE_CODE(val) == CONSTRUCTOR) { -+ check_bad_casts_in_constructor(var, val); -+ continue; -+ } -+ -+ /* pipacs' plugin creates franken-arrays that differ from those produced by -+ normal code which all have valid 'field' trees. work around this */ -+ if (field == NULL_TREE) -+ continue; -+ field_type = TREE_TYPE(field); -+ val_type = TREE_TYPE(val); -+ -+ if (TREE_CODE(field_type) != POINTER_TYPE || TREE_CODE(val_type) != POINTER_TYPE) -+ continue; -+ -+ if (field_type == val_type) -+ continue; -+ -+ field_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(field_type)))); -+ val_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(val_type)))); -+ -+ if (field_type == void_type_node) -+ continue; -+ if (field_type == val_type) -+ continue; -+ if (TREE_CODE(val_type) != RECORD_TYPE) -+ continue; -+ -+ if (!lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(val_type))) -+ continue; -+ inform(DECL_SOURCE_LOCATION(var), "found mismatched struct pointer types: %qT and %qT\n", TYPE_MAIN_VARIANT(field_type), TYPE_MAIN_VARIANT(val_type)); -+ } -+} -+ -+/* derived from the constify plugin */ -+static void check_global_variables(void *event_data, void *data) -+{ -+ struct varpool_node *node; -+ tree init; -+ -+ FOR_EACH_VARIABLE(node) { -+ tree var = NODE_DECL(node); -+ init = DECL_INITIAL(var); -+ if (init == NULL_TREE) -+ continue; -+ -+ if (TREE_CODE(init) != CONSTRUCTOR) -+ continue; -+ -+ check_bad_casts_in_constructor(var, init); -+ } -+} -+ -+static bool dominated_by_is_err(const_tree rhs, basic_block bb) -+{ -+ basic_block dom; -+ gimple dom_stmt; -+ gimple call_stmt; -+ const_tree dom_lhs; -+ const_tree poss_is_err_cond; -+ const_tree poss_is_err_func; -+ const_tree is_err_arg; -+ -+ dom = get_immediate_dominator(CDI_DOMINATORS, bb); -+ if (!dom) -+ return false; -+ -+ dom_stmt = last_stmt(dom); -+ if (!dom_stmt) -+ return false; -+ -+ if (gimple_code(dom_stmt) != GIMPLE_COND) -+ return false; -+ -+ if (gimple_cond_code(dom_stmt) != NE_EXPR) -+ return false; -+ -+ if (!integer_zerop(gimple_cond_rhs(dom_stmt))) -+ return false; -+ -+ poss_is_err_cond = gimple_cond_lhs(dom_stmt); -+ -+ if (TREE_CODE(poss_is_err_cond) != SSA_NAME) -+ return false; -+ -+ call_stmt = SSA_NAME_DEF_STMT(poss_is_err_cond); -+ -+ if (gimple_code(call_stmt) != GIMPLE_CALL) -+ return false; -+ -+ dom_lhs = gimple_get_lhs(call_stmt); -+ poss_is_err_func = gimple_call_fndecl(call_stmt); -+ if (!poss_is_err_func) -+ return false; -+ if (dom_lhs != poss_is_err_cond) -+ return false; -+ if (strcmp(DECL_NAME_POINTER(poss_is_err_func), "IS_ERR")) -+ return false; -+ -+ is_err_arg = gimple_call_arg(call_stmt, 0); -+ if (!is_err_arg) -+ return false; -+ -+ if (is_err_arg != rhs) -+ return false; -+ -+ return true; -+} -+ -+static void handle_local_var_initializers(void) -+{ -+ tree var; -+ unsigned int i; -+ -+ FOR_EACH_LOCAL_DECL(cfun, i, var) { -+ tree init = DECL_INITIAL(var); -+ if (!init) -+ continue; -+ if (TREE_CODE(init) != CONSTRUCTOR) -+ continue; -+ check_bad_casts_in_constructor(var, init); -+ } -+} -+ -+/* -+ * iterate over all statements to find "bad" casts: -+ * those where the address of the start of a structure is cast -+ * to a pointer of a structure of a different type, or a -+ * structure pointer type is cast to a different structure pointer type -+ */ -+static unsigned int find_bad_casts(void) -+{ -+ basic_block bb; -+ -+ handle_local_var_initializers(); -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gimple stmt; -+ const_tree lhs; -+ const_tree lhs_type; -+ const_tree rhs1; -+ const_tree rhs_type; -+ const_tree ptr_lhs_type; -+ const_tree ptr_rhs_type; -+ const_tree op0; -+ const_tree op0_type; -+ enum tree_code rhs_code; -+ -+ stmt = gsi_stmt(gsi); -+ -+#ifdef __DEBUG_PLUGIN -+#ifdef __DEBUG_VERBOSE -+ debug_gimple_stmt(stmt); -+ debug_tree(gimple_get_lhs(stmt)); -+#endif -+#endif -+ -+ if (gimple_code(stmt) != GIMPLE_ASSIGN) -+ continue; -+ -+#ifdef __DEBUG_PLUGIN -+#ifdef __DEBUG_VERBOSE -+ debug_tree(gimple_assign_rhs1(stmt)); -+#endif -+#endif -+ -+ rhs_code = gimple_assign_rhs_code(stmt); -+ -+ if (rhs_code != ADDR_EXPR && rhs_code != SSA_NAME) -+ continue; -+ -+ lhs = gimple_get_lhs(stmt); -+ lhs_type = TREE_TYPE(lhs); -+ rhs1 = gimple_assign_rhs1(stmt); -+ rhs_type = TREE_TYPE(rhs1); -+ -+ if (TREE_CODE(rhs_type) != POINTER_TYPE || -+ TREE_CODE(lhs_type) != POINTER_TYPE) -+ continue; -+ -+ ptr_lhs_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(lhs_type)))); -+ ptr_rhs_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(rhs_type)))); -+ -+ if (ptr_rhs_type == void_type_node) -+ continue; -+ -+ if (ptr_lhs_type == void_type_node) -+ continue; -+ -+ if (dominated_by_is_err(rhs1, bb)) -+ continue; -+ -+ if (TREE_CODE(ptr_rhs_type) != RECORD_TYPE) { -+#ifndef __DEBUG_PLUGIN -+ if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(ptr_lhs_type))) -+#endif -+ inform(gimple_location(stmt), "found mismatched struct pointer types: %qT and %qT\n", ptr_lhs_type, ptr_rhs_type); -+ continue; -+ } -+ -+ if (rhs_code == SSA_NAME && ptr_lhs_type == ptr_rhs_type) -+ continue; -+ -+ if (rhs_code == ADDR_EXPR) { -+ op0 = TREE_OPERAND(rhs1, 0); -+ -+ if (op0 == NULL_TREE) -+ continue; -+ -+ if (TREE_CODE(op0) != VAR_DECL) -+ continue; -+ -+ op0_type = TYPE_MAIN_VARIANT(strip_array_types(TYPE_MAIN_VARIANT(TREE_TYPE(op0)))); -+ if (op0_type == ptr_lhs_type) -+ continue; -+ -+#ifndef __DEBUG_PLUGIN -+ if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(op0_type))) -+#endif -+ inform(gimple_location(stmt), "found mismatched struct pointer types: %qT and %qT\n", ptr_lhs_type, op0_type); -+ } else { -+ const_tree ssa_name_var = SSA_NAME_VAR(rhs1); -+ /* skip bogus type casts introduced by container_of */ -+ if (ssa_name_var != NULL_TREE && DECL_NAME(ssa_name_var) && -+ !strcmp((const char *)DECL_NAME_POINTER(ssa_name_var), "__mptr")) -+ continue; -+#ifndef __DEBUG_PLUGIN -+ if (lookup_attribute("randomize_performed", TYPE_ATTRIBUTES(ptr_rhs_type))) -+#endif -+ inform(gimple_location(stmt), "found mismatched struct pointer types: %qT and %qT\n", ptr_lhs_type, ptr_rhs_type); -+ } -+ -+ } -+ } -+ return 0; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data randomize_layout_bad_cast_data = { -+#else -+static struct gimple_opt_pass randomize_layout_bad_cast = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "randomize_layout_bad_cast", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION >= 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = find_bad_casts, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = PROP_cfg, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_dump_func -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+class randomize_layout_bad_cast : public gimple_opt_pass { -+public: -+ randomize_layout_bad_cast() : gimple_opt_pass(randomize_layout_bad_cast_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return find_bad_casts(); } -+#else -+ unsigned int execute() { return find_bad_casts(); } -+#endif -+}; -+} -+#endif -+ -+static struct opt_pass *make_randomize_layout_bad_cast(void) -+{ -+#if BUILDING_GCC_VERSION >= 4009 -+ return new randomize_layout_bad_cast(); -+#else -+ return &randomize_layout_bad_cast.pass; -+#endif -+} -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ int i; -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ bool enable = true; -+ int obtained_seed = 0; -+ struct register_pass_info randomize_layout_bad_cast_info; -+ -+ randomize_layout_bad_cast_info.pass = make_randomize_layout_bad_cast(); -+ randomize_layout_bad_cast_info.reference_pass_name = "ssa"; -+ randomize_layout_bad_cast_info.ref_pass_instance_number = 1; -+ randomize_layout_bad_cast_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ if (strncmp(lang_hooks.name, "GNU C", 5) && !strncmp(lang_hooks.name, "GNU C+", 6)) { -+ inform(UNKNOWN_LOCATION, G_("%s supports C only, not %s"), plugin_name, lang_hooks.name); -+ enable = false; -+ } -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "disable")) { -+ enable = false; -+ continue; -+ } -+ if (!strcmp(argv[i].key, "performance-mode")) { -+ performance_mode = 1; -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ if (strlen(randstruct_seed) != 64) { -+ error(G_("invalid seed value supplied for %s plugin"), plugin_name); -+ return 1; -+ } -+ obtained_seed = sscanf(randstruct_seed, "%016llx%016llx%016llx%016llx", -+ &shuffle_seed[0], &shuffle_seed[1], &shuffle_seed[2], &shuffle_seed[3]); -+ if (obtained_seed != 4) { -+ error(G_("Invalid seed supplied for %s plugin"), plugin_name); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &randomize_layout_plugin_info); -+ if (enable) { -+ register_callback(plugin_name, PLUGIN_ALL_IPA_PASSES_START, check_global_variables, NULL); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &randomize_layout_bad_cast_info); -+ register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL); -+ register_callback(plugin_name, PLUGIN_FINISH_DECL, randomize_layout_finish_decl, NULL); -+ } -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/size_overflow_plugin/.gitignore b/tools/gcc/size_overflow_plugin/.gitignore -new file mode 100644 -index 0000000..1f0214f ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/.gitignore -@@ -0,0 +1,3 @@ -+randomize_layout_seed.h -+size_overflow_hash.h -+size_overflow_hash_aux.h -diff --git a/tools/gcc/size_overflow_plugin/Makefile b/tools/gcc/size_overflow_plugin/Makefile -new file mode 100644 -index 0000000..1ae2ed5 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/Makefile -@@ -0,0 +1,20 @@ -+$(HOSTLIBS)-$(CONFIG_PAX_SIZE_OVERFLOW) += size_overflow_plugin.so -+always := $($(HOSTLIBS)-y) -+ -+size_overflow_plugin-objs := $(patsubst $(srctree)/$(src)/%.c,%.o,$(wildcard $(srctree)/$(src)/*.c)) -+ -+$(patsubst $(srctree)/$(src)/%.c,$(obj)/%.o,$(wildcard $(srctree)/$(src)/*.c)): $(objtree)/$(obj)/size_overflow_hash.h $(objtree)/$(obj)/size_overflow_hash_aux.h -+ -+quiet_cmd_build_size_overflow_hash = GENHASH $@ -+ cmd_build_size_overflow_hash = \ -+ $(CONFIG_SHELL) $(srctree)/$(src)/generate_size_overflow_hash.sh -s size_overflow_hash -d $< -o $@ -+$(objtree)/$(obj)/size_overflow_hash.h: $(src)/size_overflow_hash.data FORCE -+ $(call if_changed,build_size_overflow_hash) -+ -+quiet_cmd_build_size_overflow_hash_aux = GENHASH $@ -+ cmd_build_size_overflow_hash_aux = \ -+ $(CONFIG_SHELL) $(srctree)/$(src)/generate_size_overflow_hash.sh -s size_overflow_hash_aux -d $< -o $@ -+$(objtree)/$(obj)/size_overflow_hash_aux.h: $(src)/size_overflow_hash_aux.data FORCE -+ $(call if_changed,build_size_overflow_hash_aux) -+ -+targets += size_overflow_hash.h size_overflow_hash_aux.h -diff --git a/tools/gcc/size_overflow_plugin/generate_size_overflow_hash.sh b/tools/gcc/size_overflow_plugin/generate_size_overflow_hash.sh -new file mode 100644 -index 0000000..12b1e3b ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/generate_size_overflow_hash.sh -@@ -0,0 +1,102 @@ -+#!/bin/bash -+ -+# This script generates the hash table (size_overflow_hash.h) for the size_overflow gcc plugin (size_overflow_plugin.c). -+ -+header1="size_overflow_hash.h" -+database="size_overflow_hash.data" -+n=65536 -+hashtable_name="size_overflow_hash" -+ -+usage() { -+cat <<EOF -+usage: $0 options -+OPTIONS: -+ -h|--help help -+ -o header file -+ -d database file -+ -n hash array size -+ -s name of the hash table -+EOF -+ return 0 -+} -+ -+while true -+do -+ case "$1" in -+ -h|--help) usage && exit 0;; -+ -n) n=$2; shift 2;; -+ -o) header1="$2"; shift 2;; -+ -d) database="$2"; shift 2;; -+ -s) hashtable_name="$2"; shift 2;; -+ --) shift 1; break ;; -+ *) break ;; -+ esac -+done -+ -+create_defines() { -+ for i in `seq 0 31` -+ do -+ echo -e "#define PARAM"$i" (1U << "$i")" >> "$header1" -+ done -+ echo >> "$header1" -+} -+ -+create_structs() { -+ rm -f "$header1" -+ -+ create_defines -+ -+ cat "$database" | while read data -+ do -+ data_array=($data) -+ struct_hash_name="${data_array[0]}" -+ funcn="${data_array[1]}" -+ params="${data_array[2]}" -+ next="${data_array[4]}" -+ -+ echo "const struct size_overflow_hash $struct_hash_name = {" >> "$header1" -+ -+ echo -e "\t.next\t= $next,\n\t.name\t= "$funcn"," >> "$header1" -+ echo -en "\t.param\t= " >> "$header1" -+ line= -+ for param_num in ${params//-/ }; -+ do -+ line="${line}PARAM"$param_num"|" -+ done -+ -+ echo -e "${line%?},\n};\n" >> "$header1" -+ done -+} -+ -+create_headers() { -+ echo "const struct size_overflow_hash * const $hashtable_name[$n] = {" >> "$header1" -+} -+ -+create_array_elements() { -+ index=0 -+ grep -v "nohasharray" $database | sort -n -k 4 | while read data -+ do -+ data_array=($data) -+ i="${data_array[3]}" -+ hash="${data_array[0]}" -+ while [[ $index -lt $i ]] -+ do -+ echo -e "\t["$index"]\t= NULL," >> "$header1" -+ index=$(($index + 1)) -+ done -+ index=$(($index + 1)) -+ echo -e "\t["$i"]\t= &"$hash"," >> "$header1" -+ done -+ echo '};' >> $header1 -+} -+ -+size_overflow_plugin_dir=`dirname $header1` -+if [ "$size_overflow_plugin_dir" != '.' ]; then -+ mkdir -p "$size_overflow_plugin_dir" 2> /dev/null -+fi -+ -+create_structs -+create_headers -+create_array_elements -+ -+exit 0 -diff --git a/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c b/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c -new file mode 100644 -index 0000000..7b7051a ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/insert_size_overflow_asm.c -@@ -0,0 +1,411 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+// Data for the size_overflow asm stmt -+struct asm_data { -+ // call or return stmt with our attributes -+ gimple target_stmt; -+ // def_stmt of the marked arg -+ gimple def_stmt; -+ // size_overflow asm rhs -+ tree input; -+ // the output (lhs) of the size_overflow asm is the marked arg -+ tree output; -+ // marked arg number (0 for return values) -+ unsigned int argnum; -+ // intentional mark type -+ enum intentional_mark intentional_mark; -+}; -+ -+static void __unused print_asm_data(struct asm_data *asm_data) -+{ -+ fprintf(stderr, "-----------------------\nprint_asm_data:\n"); -+ -+ fprintf(stderr, "def_stmt\n"); -+ debug_gimple_stmt(asm_data->def_stmt); -+ fprintf(stderr, "target_stmt\n"); -+ debug_gimple_stmt(asm_data->target_stmt); -+ fprintf(stderr, "output\n"); -+ debug_tree(asm_data->output); -+ fprintf(stderr, "input\n"); -+ debug_tree(asm_data->input); -+} -+ -+static const char *convert_mark_to_str(enum intentional_mark mark) -+{ -+ switch (mark) { -+ case MARK_NO: -+ return OK_ASM_STR; -+ case MARK_YES: -+ return YES_ASM_STR; -+ case MARK_END_INTENTIONAL: -+ return END_INTENTIONAL_ASM_STR; -+ case MARK_TURN_OFF: -+ return TURN_OFF_ASM_STR; -+ } -+ gcc_unreachable(); -+} -+ -+static char *create_asm_comment(struct asm_data *asm_data, const char *mark_str) -+{ -+ const char *fn_name; -+ char *asm_comment; -+ unsigned int len; -+ -+ if (gimple_code(asm_data->target_stmt) == GIMPLE_RETURN) -+ fn_name = DECL_NAME_POINTER(current_function_decl); -+ else -+ fn_name = DECL_NAME_POINTER(gimple_call_fndecl(asm_data->target_stmt)); -+ -+ len = asprintf(&asm_comment, "%s %s %u", mark_str, fn_name, asm_data->argnum); -+ gcc_assert(len > 0); -+ -+ return asm_comment; -+} -+ -+#if BUILDING_GCC_VERSION <= 4007 -+static VEC(tree, gc) *create_asm_io_list(tree string, tree io) -+#else -+static vec<tree, va_gc> *create_asm_io_list(tree string, tree io) -+#endif -+{ -+ tree list; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(tree, gc) *vec_list = NULL; -+#else -+ vec<tree, va_gc> *vec_list = NULL; -+#endif -+ -+ list = build_tree_list(NULL_TREE, string); -+ list = chainon(NULL_TREE, build_tree_list(list, io)); -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_push(tree, gc, vec_list, list); -+#else -+ vec_safe_push(vec_list, list); -+#endif -+ return vec_list; -+} -+ -+static void create_so_asm_stmt(struct asm_data *asm_data) -+{ -+ char *asm_comment; -+ const char *mark_str; -+ gimple stmt; -+ gasm *asm_stmt; -+ gimple_stmt_iterator gsi; -+ tree str_input, str_output; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(tree, gc) *input = NULL, *output = NULL; -+#else -+ vec<tree, va_gc> *input = NULL, *output = NULL; -+#endif -+ -+ mark_str = convert_mark_to_str(asm_data->intentional_mark); -+ asm_comment = create_asm_comment(asm_data, mark_str); -+ -+ str_input = build_string(2, "0"); -+ input = create_asm_io_list(str_input, asm_data->input); -+ str_output = build_string(4, "=rm"); -+ output = create_asm_io_list(str_output, asm_data->output); -+ -+ stmt = gimple_build_asm_vec(asm_comment, input, output, NULL, NULL); -+ asm_stmt = as_a_gasm(stmt); -+ gimple_asm_set_volatile(asm_stmt, true); -+ -+ gsi = gsi_for_stmt(asm_data->def_stmt); -+ gsi_insert_after(&gsi, asm_stmt, GSI_NEW_STMT); -+ -+ SSA_NAME_DEF_STMT(asm_data->output) = asm_stmt; -+ -+ free(asm_comment); -+} -+ -+static void check_size_overflow_asm(struct asm_data *asm_data) -+{ -+ enum intentional_mark old_intentional_mark = get_so_asm_type(asm_data->def_stmt); -+ -+ if (old_intentional_mark == asm_data->intentional_mark) -+ return; -+ if (asm_data->intentional_mark == MARK_NO) -+ return; -+ -+ print_intentional_mark(old_intentional_mark); -+ print_intentional_mark(asm_data->intentional_mark); -+ gcc_unreachable(); -+} -+ -+static tree get_so_asm_output(struct asm_data *asm_data) -+{ -+ gimple stmt = asm_data->target_stmt; -+ unsigned int argnum = asm_data->argnum; -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_RETURN: -+ gcc_assert(argnum == 0); -+ return gimple_return_retval(as_a_greturn(stmt)); -+ case GIMPLE_CALL: -+ gcc_assert(argnum != 0); -+ gcc_assert(gimple_call_num_args(stmt) >= argnum); -+ return gimple_call_arg(stmt, argnum - 1); -+ default: -+ debug_gimple_stmt(stmt); -+ gcc_unreachable(); -+ } -+} -+ -+static tree get_so_asm_input(struct asm_data *asm_data) -+{ -+ gassign *assign; -+ tree output_type, new_var; -+ gimple_stmt_iterator gsi; -+ -+ output_type = TREE_TYPE(asm_data->output); -+ new_var = create_new_var(output_type); -+ -+ assign = gimple_build_assign(new_var, asm_data->output); -+ gimple_assign_set_lhs(assign, make_ssa_name(new_var, assign)); -+ -+ gsi = gsi_for_stmt(asm_data->target_stmt); -+ gsi_insert_before(&gsi, assign, GSI_NEW_STMT); -+ -+ asm_data->def_stmt = assign; -+ -+ new_var = create_new_var(output_type); -+ asm_data->output = make_ssa_name(new_var, asm_data->target_stmt); -+ -+ return gimple_assign_lhs(assign); -+} -+ -+static void set_so_asm_input_target_stmt(struct asm_data *asm_data) -+{ -+ switch (gimple_code(asm_data->target_stmt)) { -+ case GIMPLE_CALL: -+ gimple_call_set_arg(asm_data->target_stmt, asm_data->argnum - 1, asm_data->output); -+ break; -+ case GIMPLE_RETURN: -+ gimple_return_set_retval(as_a_greturn(asm_data->target_stmt), asm_data->output); -+ break; -+ default: -+ debug_gimple_stmt(asm_data->target_stmt); -+ gcc_unreachable(); -+ } -+ -+ update_stmt(asm_data->def_stmt); -+} -+ -+/* This is the gimple part of searching for a missing size_overflow attribute. If the intentional_overflow attribute type -+ * is of the right kind create the appropriate size_overflow asm stmts: -+ * __asm__("# size_overflow MARK_END_INTENTIONAL" : =rm" D.3344_8 : "0" cicus.4_16); -+ * __asm__("# size_overflow MARK_NO" : =rm" cicus.4_16 : "0" size_1(D)); -+ */ -+static void insert_size_overflow_asm(gimple stmt, unsigned int argnum, enum intentional_mark intentional_mark) -+{ -+ struct asm_data asm_data; -+ -+ asm_data.target_stmt = stmt; -+ asm_data.argnum = argnum; -+ asm_data.intentional_mark = intentional_mark; -+ -+ asm_data.output = get_so_asm_output(&asm_data); -+ if (asm_data.output == NULL_TREE) -+ return; -+ if (is_gimple_constant(asm_data.output)) -+ return; -+ if (skip_types(asm_data.output)) -+ return; -+ -+ asm_data.def_stmt = get_def_stmt(asm_data.output); -+ if (is_size_overflow_asm(asm_data.def_stmt)) { -+ check_size_overflow_asm(&asm_data); -+ return; -+ } -+ -+ asm_data.input = get_so_asm_input(&asm_data); -+ -+ create_so_asm_stmt(&asm_data); -+ set_so_asm_input_target_stmt(&asm_data); -+ -+ update_stmt(asm_data.def_stmt); -+ update_stmt(asm_data.target_stmt); -+} -+ -+// Determine the correct arg index and arg and insert the asm stmt to mark the stmt. -+static void insert_so_asm_by_so_attr(gimple stmt, unsigned int orig_argnum) -+{ -+ if (orig_argnum == 0 && gimple_code(stmt) == GIMPLE_RETURN) { -+ insert_size_overflow_asm(stmt, 0, MARK_NO); -+ return; -+ } -+ -+ if (orig_argnum != 0 && gimple_code(stmt) == GIMPLE_CALL) -+ insert_size_overflow_asm(stmt, orig_argnum, MARK_NO); -+} -+ -+// If a function arg or the return value is marked by the size_overflow attribute then set its index in the array. -+static void set_argnum_attribute(const_tree attr, bool *argnums) -+{ -+ unsigned int argnum; -+ tree attr_value; -+ -+ gcc_assert(attr); -+ for (attr_value = TREE_VALUE(attr); attr_value; attr_value = TREE_CHAIN(attr_value)) { -+ argnum = (unsigned int)tree_to_uhwi(TREE_VALUE(attr_value)); -+ argnums[argnum] = true; -+ } -+} -+ -+// Check whether the arguments are marked by the size_overflow attribute. -+static void search_interesting_so_args(tree fndecl, bool *argnums) -+{ -+ const_tree attr; -+ -+ attr = get_attribute("size_overflow", fndecl); -+ if (attr) -+ set_argnum_attribute(attr, argnums); -+} -+ -+static enum intentional_mark handle_intentional_attr(gimple stmt, unsigned int argnum) -+{ -+ enum intentional_mark mark; -+ -+ mark = check_intentional_attribute(stmt, argnum); -+ if (mark == MARK_NO) -+ return MARK_NO; -+ insert_size_overflow_asm(stmt, argnum, mark); -+ return mark; -+} -+ -+static void handle_size_overflow_attr_ret(greturn *stmt) -+{ -+ enum intentional_mark mark; -+ bool orig_argnums[MAX_PARAM + 1] = {false}; -+ -+ search_interesting_so_args(get_orig_fndecl(current_function_decl), (bool *) &orig_argnums); -+ -+ mark = handle_intentional_attr(stmt, 0); -+ if (mark == MARK_NO && orig_argnums[0]) -+ insert_so_asm_by_so_attr(stmt, 0); -+} -+ -+// If the argument(s) of the callee function are marked by an attribute then mark the call stmt with an asm stmt -+static void handle_size_overflow_attr_call(gcall *stmt) -+{ -+ tree fndecl; -+ unsigned int argnum; -+ bool orig_argnums[MAX_PARAM + 1] = {false}; -+ -+ fndecl = get_interesting_orig_fndecl_from_stmt(stmt); -+ if (fndecl == NULL_TREE) -+ return; -+ if (DECL_BUILT_IN(fndecl)) -+ return; -+ -+ search_interesting_so_args(fndecl, (bool *) &orig_argnums); -+ -+ for (argnum = 1; argnum <= gimple_call_num_args(stmt); argnum++) { -+ enum intentional_mark mark = handle_intentional_attr(stmt, argnum); -+ -+ if (mark == MARK_NO && orig_argnums[argnum]) -+ insert_so_asm_by_so_attr(stmt, argnum); -+ } -+} -+ -+// Iterate over all the stmts and search for call stmts and mark them if they have size_overflow attribute -+static unsigned int search_interesting_functions(void) -+{ -+ basic_block bb; -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gimple stmt = gsi_stmt(gsi); -+ -+ if (is_gimple_call(stmt)) -+ handle_size_overflow_attr_call(as_a_gcall(stmt)); -+ else if (gimple_code(stmt) == GIMPLE_RETURN) -+ handle_size_overflow_attr_ret(as_a_greturn(stmt)); -+ } -+ } -+ return 0; -+} -+ -+/* -+ * A lot of functions get inlined before the ipa passes so after the build_ssa gimple pass -+ * this pass inserts asm stmts to mark the interesting args -+ * that the ipa pass will detect and insert the size overflow checks for. -+ */ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data insert_size_overflow_asm_pass_data = { -+#else -+static struct gimple_opt_pass insert_size_overflow_asm_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "insert_size_overflow_asm", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION >= 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = search_interesting_functions, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = PROP_cfg, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_dump_func | TODO_verify_ssa | TODO_verify_stmts | TODO_remove_unused_locals | TODO_update_ssa_no_phi | TODO_cleanup_cfg | TODO_ggc_collect | TODO_verify_flow -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+class insert_size_overflow_asm_pass : public gimple_opt_pass { -+public: -+ insert_size_overflow_asm_pass() : gimple_opt_pass(insert_size_overflow_asm_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return search_interesting_functions(); } -+#else -+ unsigned int execute() { return search_interesting_functions(); } -+#endif -+}; -+} -+ -+opt_pass *make_insert_size_overflow_asm_pass(void) -+{ -+ return new insert_size_overflow_asm_pass(); -+} -+#else -+struct opt_pass *make_insert_size_overflow_asm_pass(void) -+{ -+ return &insert_size_overflow_asm_pass.pass; -+} -+#endif -diff --git a/tools/gcc/size_overflow_plugin/intentional_overflow.c b/tools/gcc/size_overflow_plugin/intentional_overflow.c -new file mode 100644 -index 0000000..2af88a3 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/intentional_overflow.c -@@ -0,0 +1,958 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+static enum intentional_mark walk_use_def(gimple_set *visited, const_tree lhs); -+ -+static const char *get_asm_string(const gasm *stmt) -+{ -+ if (stmt) -+ return gimple_asm_string(stmt); -+ return NULL; -+} -+ -+tree get_size_overflow_asm_input(const gasm *stmt) -+{ -+ gcc_assert(gimple_asm_ninputs(stmt) != 0); -+ return TREE_VALUE(gimple_asm_input_op(stmt, 0)); -+} -+ -+bool is_size_overflow_insert_check_asm(const gasm *stmt) -+{ -+ const char *str; -+ -+ if (!is_size_overflow_asm(stmt)) -+ return false; -+ -+ str = get_asm_string(stmt); -+ if (!str) -+ return false; -+ return !strncmp(str, OK_ASM_STR, sizeof(OK_ASM_STR) - 1); -+} -+ -+bool is_size_overflow_asm(const_gimple stmt) -+{ -+ const char *str; -+ -+ if (!stmt) -+ return false; -+ if (gimple_code(stmt) != GIMPLE_ASM) -+ return false; -+ -+ str = get_asm_string(as_a_const_gasm(stmt)); -+ if (!str) -+ return false; -+ return !strncmp(str, SO_ASM_STR, sizeof(SO_ASM_STR) - 1); -+} -+ -+static bool is_size_overflow_intentional_asm_turn_off(const gasm *stmt) -+{ -+ const char *str; -+ -+ if (!is_size_overflow_asm(stmt)) -+ return false; -+ -+ str = get_asm_string(stmt); -+ if (!str) -+ return false; -+ return !strncmp(str, TURN_OFF_ASM_STR, sizeof(TURN_OFF_ASM_STR) - 1); -+} -+ -+static bool is_size_overflow_intentional_asm_end(const gasm *stmt) -+{ -+ const char *str; -+ -+ if (!is_size_overflow_asm(stmt)) -+ return false; -+ -+ str = get_asm_string(stmt); -+ if (!str) -+ return false; -+ return !strncmp(str, END_INTENTIONAL_ASM_STR, sizeof(END_INTENTIONAL_ASM_STR) - 1); -+} -+ -+/* Get the param of the intentional_overflow attribute. -+ * * 0: MARK_END_INTENTIONAL -+ * * 1..MAX_PARAM: MARK_YES -+ * * -1: MARK_TURN_OFF -+ */ -+static tree get_attribute_param(const_tree decl) -+{ -+ const_tree attr; -+ -+ if (decl == NULL_TREE) -+ return NULL_TREE; -+ -+ attr = get_attribute("intentional_overflow", decl); -+ if (attr) -+ return TREE_VALUE(attr); -+ return NULL_TREE; -+} -+ -+// MARK_TURN_OFF -+static bool is_turn_off_intentional_attr(const_tree decl) -+{ -+ const_tree param_head; -+ -+ param_head = get_attribute_param(decl); -+ if (param_head == NULL_TREE) -+ return false; -+ -+ if (tree_to_shwi(TREE_VALUE(param_head)) == -1) -+ return true; -+ return false; -+} -+ -+// MARK_END_INTENTIONAL -+static bool is_end_intentional_intentional_attr(const_tree decl) -+{ -+ const_tree param_head; -+ -+ param_head = get_attribute_param(decl); -+ if (param_head == NULL_TREE) -+ return false; -+ -+ if (tree_to_shwi(TREE_VALUE(param_head)) == 0) -+ return true; -+ return false; -+} -+ -+// MARK_YES -+static bool is_yes_intentional_attr(const_tree decl, unsigned int argnum) -+{ -+ tree param, param_head; -+ -+ if (argnum == 0) -+ return false; -+ -+ param_head = get_attribute_param(decl); -+ for (param = param_head; param; param = TREE_CHAIN(param)) { -+ int argval = tree_to_shwi(TREE_VALUE(param)); -+ -+ if (argval <= 0) -+ continue; -+ if (argnum == (unsigned int)argval) -+ return true; -+ } -+ return false; -+} -+ -+static void print_missing_intentional(enum intentional_mark callee_attr, enum intentional_mark caller_attr, const_tree decl, unsigned int argnum) -+{ -+ const struct size_overflow_hash *hash; -+ location_t loc; -+ -+ if (caller_attr == MARK_NO || caller_attr == MARK_END_INTENTIONAL || caller_attr == MARK_TURN_OFF) -+ return; -+ -+ if (callee_attr == MARK_END_INTENTIONAL || callee_attr == MARK_YES) -+ return; -+ -+ hash = get_size_overflow_hash_entry_tree(decl, argnum); -+ if (!hash) -+ return; -+ -+ loc = DECL_SOURCE_LOCATION(decl); -+ inform(loc, "The intentional_overflow attribute is missing from +%s+%u+", DECL_NAME_POINTER(decl), argnum); -+} -+ -+// Get the field decl of a component ref for intentional_overflow checking -+static const_tree search_field_decl(const_tree comp_ref) -+{ -+ const_tree field = NULL_TREE; -+ unsigned int i, len = TREE_OPERAND_LENGTH(comp_ref); -+ -+ for (i = 0; i < len; i++) { -+ field = TREE_OPERAND(comp_ref, i); -+ if (TREE_CODE(field) == FIELD_DECL) -+ break; -+ } -+ gcc_assert(TREE_CODE(field) == FIELD_DECL); -+ return field; -+} -+ -+/* Get the type of the intentional_overflow attribute of a node -+ * * MARK_TURN_OFF -+ * * MARK_YES -+ * * MARK_NO -+ * * MARK_END_INTENTIONAL -+ */ -+static enum intentional_mark get_intentional_attr_type(const_tree node) -+{ -+ const_tree cur_decl; -+ -+ if (node == NULL_TREE) -+ return MARK_NO; -+ -+ switch (TREE_CODE(node)) { -+ case COMPONENT_REF: -+ cur_decl = search_field_decl(node); -+ if (is_turn_off_intentional_attr(cur_decl)) -+ return MARK_TURN_OFF; -+ if (is_end_intentional_intentional_attr(cur_decl)) -+ return MARK_YES; -+ break; -+ case PARM_DECL: { -+ unsigned int argnum; -+ -+ cur_decl = get_orig_fndecl(current_function_decl); -+ argnum = find_arg_number_tree(node, cur_decl); -+ if (argnum == CANNOT_FIND_ARG) -+ return MARK_NO; -+ if (is_yes_intentional_attr(cur_decl, argnum)) -+ return MARK_YES; -+ if (is_end_intentional_intentional_attr(cur_decl)) -+ return MARK_END_INTENTIONAL; -+ break; -+ } -+ case FUNCTION_DECL: { -+ const_tree fndecl = get_orig_fndecl(node); -+ -+ if (is_turn_off_intentional_attr(fndecl)) -+ return MARK_TURN_OFF; -+ if (is_end_intentional_intentional_attr(fndecl)) -+ return MARK_END_INTENTIONAL; -+ } -+ default: -+ break; -+ } -+ return MARK_NO; -+} -+ -+static enum intentional_mark walk_use_def_phi(gimple_set *visited, const_tree result) -+{ -+ enum intentional_mark mark = MARK_NO; -+ gphi *phi = as_a_gphi(get_def_stmt(result)); -+ unsigned int i, n = gimple_phi_num_args(phi); -+ -+ pointer_set_insert(visited, phi); -+ for (i = 0; i < n; i++) { -+ tree arg = gimple_phi_arg_def(phi, i); -+ -+ mark = walk_use_def(visited, arg); -+ if (mark != MARK_NO) -+ return mark; -+ } -+ -+ return mark; -+} -+ -+static enum intentional_mark walk_use_def_binary(gimple_set *visited, const_tree lhs) -+{ -+ enum intentional_mark mark; -+ tree rhs1, rhs2; -+ gassign *def_stmt = as_a_gassign(get_def_stmt(lhs)); -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ -+ mark = walk_use_def(visited, rhs1); -+ if (mark == MARK_NO) -+ return walk_use_def(visited, rhs2); -+ return mark; -+} -+ -+enum intentional_mark get_so_asm_type(const_gimple stmt) -+{ -+ const gasm *asm_stmt; -+ -+ if (!stmt) -+ return MARK_NO; -+ if (!is_size_overflow_asm(stmt)) -+ return MARK_NO; -+ -+ asm_stmt = as_a_const_gasm(stmt); -+ if (is_size_overflow_insert_check_asm(asm_stmt)) -+ return MARK_NO; -+ if (is_size_overflow_intentional_asm_turn_off(asm_stmt)) -+ return MARK_TURN_OFF; -+ if (is_size_overflow_intentional_asm_end(asm_stmt)) -+ return MARK_END_INTENTIONAL; -+ return MARK_YES; -+} -+ -+static enum intentional_mark walk_use_def(gimple_set *visited, const_tree lhs) -+{ -+ const_gimple def_stmt; -+ -+ if (TREE_CODE(lhs) != SSA_NAME) -+ return get_intentional_attr_type(lhs); -+ -+ def_stmt = get_def_stmt(lhs); -+ gcc_assert(def_stmt); -+ -+ if (pointer_set_insert(visited, def_stmt)) -+ return MARK_NO; -+ -+ switch (gimple_code(def_stmt)) { -+ case GIMPLE_CALL: -+ case GIMPLE_RETURN: -+ return MARK_NO; -+ case GIMPLE_NOP: -+ return walk_use_def(visited, SSA_NAME_VAR(lhs)); -+ case GIMPLE_ASM: -+ return get_so_asm_type(as_a_const_gasm(def_stmt)); -+ case GIMPLE_PHI: -+ return walk_use_def_phi(visited, lhs); -+ case GIMPLE_ASSIGN: -+ switch (gimple_num_ops(def_stmt)) { -+ case 2: -+ return walk_use_def(visited, gimple_assign_rhs1(def_stmt)); -+ case 3: -+ return walk_use_def_binary(visited, lhs); -+ } -+ default: -+ debug_gimple_stmt((gimple)def_stmt); -+ error("%s: unknown gimple code", __func__); -+ gcc_unreachable(); -+ } -+} -+ -+static enum intentional_mark check_intentional_size_overflow_asm_and_attribute(const_tree var) -+{ -+ enum intentional_mark mark; -+ gimple_set *visited; -+ -+ visited = pointer_set_create(); -+ mark = walk_use_def(visited, var); -+ pointer_set_destroy(visited); -+ -+ return mark; -+} -+ -+/* Search intentional_overflow attribute on caller and on callee too. -+ * -1 / MARK_TURN_OFF: means that overflow checking is turned off inside the function and -+ * parameters aren't tracked backwards. -+ * 1..31 / MARK_YES: e.g., 4 means that overflow checking is turned off on the fourth parameter inside -+ * the function. -+ * 0 / MARK_END_INTENTIONAL: means that overflow checking is turned off on all the parameters of the function -+ * in all callers (on a structure field means that overflow checking is turned off -+ * in all expressions involving the given field). -+ */ -+enum intentional_mark check_intentional_attribute(const_gimple stmt, unsigned int argnum) -+{ -+ enum intentional_mark caller_mark, callee_mark; -+ const_tree fndecl, orig_cur_fndecl, arg; -+ -+ orig_cur_fndecl = get_orig_fndecl(current_function_decl); -+ -+ // handle MARK_TURN_OFF early on the caller -+ if (is_turn_off_intentional_attr(orig_cur_fndecl)) -+ return MARK_TURN_OFF; -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_RETURN: -+ gcc_assert(argnum == 0); -+ // for now ignore other intentional attribute types on returns -+ return MARK_NO; -+ case GIMPLE_CALL: -+ gcc_assert(argnum != 0); -+ gcc_assert(argnum <= gimple_call_num_args(stmt)); -+ arg = gimple_call_arg(stmt, argnum - 1); -+ break; -+ default: -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+ -+ // XXX ideiglenesen 0-nal a fuggvenyen belul is ki van kapcsolva a dupolas, eddig igy mukodott a doksi ellenere -+ if (is_end_intentional_intentional_attr(orig_cur_fndecl)) -+ return MARK_END_INTENTIONAL; -+ -+ fndecl = get_interesting_orig_fndecl_from_stmt(as_a_const_gcall(stmt)); -+ // handle MARK_TURN_OFF on the callee -+ if (is_turn_off_intentional_attr(fndecl)) -+ return MARK_TURN_OFF; -+ // find a defining marked caller argument or struct field for arg -+ caller_mark = check_intentional_size_overflow_asm_and_attribute(arg); -+ -+ // did we find a marked struct field? -+ if (caller_mark == MARK_TURN_OFF) -+ return MARK_TURN_OFF; -+ -+ // handle MARK_END_INTENTIONAL on the callee -+ if (is_end_intentional_intentional_attr(fndecl)) -+ callee_mark = MARK_END_INTENTIONAL; -+ // is it a marked callee parameter? -+ else if (is_yes_intentional_attr(fndecl, argnum)) -+ callee_mark = MARK_YES; -+ else -+ callee_mark = MARK_NO; -+ -+ // no intentional attribute found -+ if (callee_mark == MARK_NO && caller_mark == MARK_NO) -+ return MARK_NO; -+ -+ // MARK_YES is meaningful only on the caller -+ if (caller_mark == MARK_NO && callee_mark == MARK_YES) -+ return MARK_NO; -+ -+ // we found a code region where we don't want to duplicate -+ if (caller_mark == MARK_YES && callee_mark == MARK_END_INTENTIONAL) -+ return MARK_END_INTENTIONAL; -+ -+ // ignore the intentional attribute on the callee if we didn't find a marked defining argument or struct field -+ if (caller_mark == MARK_NO && callee_mark == MARK_END_INTENTIONAL) -+ return MARK_NO; -+ -+ // the callee is missing the intentional attribute (MARK_YES or MARK_END_INTENTIONAL) -+ if (caller_mark == MARK_YES) { -+ print_missing_intentional(callee_mark, caller_mark, fndecl, argnum); -+ return MARK_YES; -+ } -+ -+ fprintf(stderr, "caller: %s callee: %s\n", DECL_NAME_POINTER(orig_cur_fndecl), DECL_NAME_POINTER(fndecl)); -+ debug_gimple_stmt((gimple)stmt); -+ print_intentional_mark(caller_mark); -+ print_intentional_mark(callee_mark); -+ gcc_unreachable(); -+} -+ -+enum intentional_mark check_intentional_asm(const_gimple stmt, unsigned int argnum) -+{ -+ const_tree arg; -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_RETURN: -+ gcc_assert(argnum == 0); -+ arg = gimple_return_retval(as_a_const_greturn(stmt)); -+ break; -+ case GIMPLE_CALL: -+ gcc_assert(argnum != 0); -+ gcc_assert(argnum <= gimple_call_num_args(stmt)); -+ arg = gimple_call_arg(stmt, argnum - 1); -+ break; -+ case GIMPLE_ASM: -+ gcc_assert(is_size_overflow_insert_check_asm(as_a_const_gasm(stmt))); -+ arg = get_size_overflow_asm_input(as_a_const_gasm(stmt)); -+ break; -+ default: -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+ -+ // find a defining marked caller argument or struct field for arg -+ return check_intentional_size_overflow_asm_and_attribute(arg); -+} -+ -+bool is_a_cast_and_const_overflow(const_tree no_const_rhs) -+{ -+ const_tree rhs1, lhs, rhs1_type, lhs_type; -+ enum machine_mode lhs_mode, rhs_mode; -+ gimple def_stmt = get_def_stmt(no_const_rhs); -+ -+ if (!def_stmt || !gimple_assign_cast_p(def_stmt)) -+ return false; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ lhs = gimple_assign_lhs(def_stmt); -+ rhs1_type = TREE_TYPE(rhs1); -+ lhs_type = TREE_TYPE(lhs); -+ rhs_mode = TYPE_MODE(rhs1_type); -+ lhs_mode = TYPE_MODE(lhs_type); -+ if (TYPE_UNSIGNED(lhs_type) == TYPE_UNSIGNED(rhs1_type) || lhs_mode != rhs_mode) -+ return false; -+ -+ return true; -+} -+ -+static unsigned int uses_num(tree node) -+{ -+ imm_use_iterator imm_iter; -+ use_operand_p use_p; -+ unsigned int num = 0; -+ -+ FOR_EACH_IMM_USE_FAST(use_p, imm_iter, node) { -+ gimple use_stmt = USE_STMT(use_p); -+ -+ if (use_stmt == NULL) -+ return num; -+ if (is_gimple_debug(use_stmt)) -+ continue; -+ if (gimple_assign_cast_p(use_stmt) && is_size_overflow_type(gimple_assign_lhs(use_stmt))) -+ continue; -+ num++; -+ } -+ return num; -+} -+ -+static bool no_uses(tree node) -+{ -+ return !uses_num(node); -+} -+ -+// 3.8.5 mm/page-writeback.c __ilog2_u64(): ret, uint + uintmax; uint -> int; int max -+bool is_const_plus_unsigned_signed_truncation(const_tree lhs) -+{ -+ tree rhs1, lhs_type, rhs_type, rhs2, not_const_rhs; -+ gimple def_stmt = get_def_stmt(lhs); -+ -+ if (!def_stmt || !gimple_assign_cast_p(def_stmt)) -+ return false; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs_type = TREE_TYPE(rhs1); -+ lhs_type = TREE_TYPE(lhs); -+ if (TYPE_UNSIGNED(lhs_type) || !TYPE_UNSIGNED(rhs_type)) -+ return false; -+ if (TYPE_MODE(lhs_type) != TYPE_MODE(rhs_type)) -+ return false; -+ -+ def_stmt = get_def_stmt(rhs1); -+ if (!def_stmt || !is_gimple_assign(def_stmt) || gimple_num_ops(def_stmt) != 3) -+ return false; -+ -+ if (gimple_assign_rhs_code(def_stmt) != PLUS_EXPR) -+ return false; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ if (!is_gimple_constant(rhs1) && !is_gimple_constant(rhs2)) -+ return false; -+ -+ if (is_gimple_constant(rhs2)) -+ not_const_rhs = rhs1; -+ else -+ not_const_rhs = rhs2; -+ -+ return no_uses(not_const_rhs); -+} -+ -+static bool is_lt_signed_type_max(const_tree rhs) -+{ -+ const_tree new_type, type_max, type = TREE_TYPE(rhs); -+ -+ if (!TYPE_UNSIGNED(type)) -+ return true; -+ -+ switch (TYPE_MODE(type)) { -+ case QImode: -+ new_type = intQI_type_node; -+ break; -+ case HImode: -+ new_type = intHI_type_node; -+ break; -+ case SImode: -+ new_type = intSI_type_node; -+ break; -+ case DImode: -+ new_type = intDI_type_node; -+ break; -+ default: -+ debug_tree((tree)type); -+ gcc_unreachable(); -+ } -+ -+ type_max = TYPE_MAX_VALUE(new_type); -+ if (!tree_int_cst_lt(type_max, rhs)) -+ return true; -+ -+ return false; -+} -+ -+static bool is_gt_zero(const_tree rhs) -+{ -+ const_tree type = TREE_TYPE(rhs); -+ -+ if (TYPE_UNSIGNED(type)) -+ return true; -+ -+ if (!tree_int_cst_lt(rhs, integer_zero_node)) -+ return true; -+ -+ return false; -+} -+ -+bool is_a_constant_overflow(const gassign *stmt, const_tree rhs) -+{ -+ if (gimple_assign_rhs_code(stmt) == MIN_EXPR) -+ return false; -+ if (!is_gimple_constant(rhs)) -+ return false; -+ -+ // if the const is between 0 and the max value of the signed type of the same bitsize then there is no intentional overflow -+ if (is_lt_signed_type_max(rhs) && is_gt_zero(rhs)) -+ return false; -+ -+ return true; -+} -+ -+static tree change_assign_rhs(struct visited *visited, gassign *stmt, const_tree orig_rhs, tree new_rhs) -+{ -+ const_gimple assign; -+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt); -+ tree origtype = TREE_TYPE(orig_rhs); -+ -+ assign = build_cast_stmt(visited, origtype, new_rhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ pointer_set_insert(visited->my_stmts, assign); -+ return get_lhs(assign); -+} -+ -+tree handle_intentional_overflow(struct visited *visited, bool check_overflow, gassign *stmt, tree change_rhs, tree new_rhs2) -+{ -+ tree new_rhs, orig_rhs; -+ void (*gimple_assign_set_rhs)(gimple, tree); -+ tree rhs1 = gimple_assign_rhs1(stmt); -+ tree rhs2 = gimple_assign_rhs2(stmt); -+ tree lhs = gimple_assign_lhs(stmt); -+ -+ if (!check_overflow) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ if (change_rhs == NULL_TREE) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ if (new_rhs2 == NULL_TREE) { -+ orig_rhs = rhs1; -+ gimple_assign_set_rhs = &gimple_assign_set_rhs1; -+ } else { -+ orig_rhs = rhs2; -+ gimple_assign_set_rhs = &gimple_assign_set_rhs2; -+ } -+ -+ check_size_overflow(stmt, TREE_TYPE(change_rhs), change_rhs, orig_rhs, BEFORE_STMT); -+ -+ new_rhs = change_assign_rhs(visited, stmt, orig_rhs, change_rhs); -+ gimple_assign_set_rhs(stmt, new_rhs); -+ update_stmt(stmt); -+ -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+} -+ -+static bool is_subtraction_special(struct visited *visited, const gassign *stmt) -+{ -+ gimple rhs1_def_stmt, rhs2_def_stmt; -+ const_tree rhs1_def_stmt_rhs1, rhs2_def_stmt_rhs1, rhs1_def_stmt_lhs, rhs2_def_stmt_lhs; -+ enum machine_mode rhs1_def_stmt_rhs1_mode, rhs2_def_stmt_rhs1_mode, rhs1_def_stmt_lhs_mode, rhs2_def_stmt_lhs_mode; -+ const_tree rhs1 = gimple_assign_rhs1(stmt); -+ const_tree rhs2 = gimple_assign_rhs2(stmt); -+ -+ if (is_gimple_constant(rhs1) || is_gimple_constant(rhs2)) -+ return false; -+ -+ gcc_assert(TREE_CODE(rhs1) == SSA_NAME && TREE_CODE(rhs2) == SSA_NAME); -+ -+ if (gimple_assign_rhs_code(stmt) != MINUS_EXPR) -+ return false; -+ -+ rhs1_def_stmt = get_def_stmt(rhs1); -+ rhs2_def_stmt = get_def_stmt(rhs2); -+ if (!gimple_assign_cast_p(rhs1_def_stmt) || !gimple_assign_cast_p(rhs2_def_stmt)) -+ return false; -+ -+ rhs1_def_stmt_rhs1 = gimple_assign_rhs1(rhs1_def_stmt); -+ rhs2_def_stmt_rhs1 = gimple_assign_rhs1(rhs2_def_stmt); -+ rhs1_def_stmt_lhs = gimple_assign_lhs(rhs1_def_stmt); -+ rhs2_def_stmt_lhs = gimple_assign_lhs(rhs2_def_stmt); -+ rhs1_def_stmt_rhs1_mode = TYPE_MODE(TREE_TYPE(rhs1_def_stmt_rhs1)); -+ rhs2_def_stmt_rhs1_mode = TYPE_MODE(TREE_TYPE(rhs2_def_stmt_rhs1)); -+ rhs1_def_stmt_lhs_mode = TYPE_MODE(TREE_TYPE(rhs1_def_stmt_lhs)); -+ rhs2_def_stmt_lhs_mode = TYPE_MODE(TREE_TYPE(rhs2_def_stmt_lhs)); -+ if (GET_MODE_BITSIZE(rhs1_def_stmt_rhs1_mode) <= GET_MODE_BITSIZE(rhs1_def_stmt_lhs_mode)) -+ return false; -+ if (GET_MODE_BITSIZE(rhs2_def_stmt_rhs1_mode) <= GET_MODE_BITSIZE(rhs2_def_stmt_lhs_mode)) -+ return false; -+ -+ pointer_set_insert(visited->no_cast_check, rhs1_def_stmt); -+ pointer_set_insert(visited->no_cast_check, rhs2_def_stmt); -+ return true; -+} -+ -+static gassign *create_binary_assign(struct visited *visited, enum tree_code code, gassign *stmt, tree rhs1, tree rhs2) -+{ -+ gassign *assign; -+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt); -+ tree type = TREE_TYPE(rhs1); -+ tree lhs = create_new_var(type); -+ -+ gcc_assert(types_compatible_p(type, TREE_TYPE(rhs2))); -+ assign = as_a_gassign(gimple_build_assign_with_ops(code, lhs, rhs1, rhs2)); -+ gimple_assign_set_lhs(assign, make_ssa_name(lhs, assign)); -+ -+ gsi_insert_before(&gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+ pointer_set_insert(visited->my_stmts, assign); -+ return assign; -+} -+ -+static tree cast_to_TI_type(struct visited *visited, gassign *stmt, tree node) -+{ -+ gimple_stmt_iterator gsi; -+ const_gimple cast_stmt; -+ tree type = TREE_TYPE(node); -+ -+ if (types_compatible_p(type, intTI_type_node)) -+ return node; -+ -+ gsi = gsi_for_stmt(stmt); -+ cast_stmt = build_cast_stmt(visited, intTI_type_node, node, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ pointer_set_insert(visited->my_stmts, cast_stmt); -+ return get_lhs(cast_stmt); -+} -+ -+static tree get_def_stmt_rhs(struct visited *visited, const_tree var) -+{ -+ tree rhs1, def_stmt_rhs1; -+ gimple rhs1_def_stmt, def_stmt_rhs1_def_stmt, def_stmt; -+ -+ def_stmt = get_def_stmt(var); -+ if (!gimple_assign_cast_p(def_stmt)) -+ return NULL_TREE; -+ gcc_assert(gimple_code(def_stmt) != GIMPLE_NOP && pointer_set_contains(visited->my_stmts, def_stmt) && gimple_assign_cast_p(def_stmt)); -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs1_def_stmt = get_def_stmt(rhs1); -+ if (!gimple_assign_cast_p(rhs1_def_stmt)) -+ return rhs1; -+ -+ def_stmt_rhs1 = gimple_assign_rhs1(rhs1_def_stmt); -+ def_stmt_rhs1_def_stmt = get_def_stmt(def_stmt_rhs1); -+ -+ switch (gimple_code(def_stmt_rhs1_def_stmt)) { -+ case GIMPLE_CALL: -+ case GIMPLE_NOP: -+ case GIMPLE_ASM: -+ case GIMPLE_PHI: -+ return def_stmt_rhs1; -+ case GIMPLE_ASSIGN: -+ return rhs1; -+ default: -+ debug_gimple_stmt(def_stmt_rhs1_def_stmt); -+ gcc_unreachable(); -+ } -+} -+ -+tree handle_integer_truncation(struct visited *visited, const_tree lhs) -+{ -+ tree new_rhs1, new_rhs2; -+ tree new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1, new_lhs; -+ gassign *assign, *stmt = as_a_gassign(get_def_stmt(lhs)); -+ tree rhs1 = gimple_assign_rhs1(stmt); -+ tree rhs2 = gimple_assign_rhs2(stmt); -+ -+ if (!is_subtraction_special(visited, stmt)) -+ return NULL_TREE; -+ -+ new_rhs1 = expand(visited, rhs1); -+ new_rhs2 = expand(visited, rhs2); -+ -+ new_rhs1_def_stmt_rhs1 = get_def_stmt_rhs(visited, new_rhs1); -+ new_rhs2_def_stmt_rhs1 = get_def_stmt_rhs(visited, new_rhs2); -+ -+ if (new_rhs1_def_stmt_rhs1 == NULL_TREE || new_rhs2_def_stmt_rhs1 == NULL_TREE) -+ return NULL_TREE; -+ -+ if (!types_compatible_p(TREE_TYPE(new_rhs1_def_stmt_rhs1), TREE_TYPE(new_rhs2_def_stmt_rhs1))) { -+ new_rhs1_def_stmt_rhs1 = cast_to_TI_type(visited, stmt, new_rhs1_def_stmt_rhs1); -+ new_rhs2_def_stmt_rhs1 = cast_to_TI_type(visited, stmt, new_rhs2_def_stmt_rhs1); -+ } -+ -+ assign = create_binary_assign(visited, MINUS_EXPR, stmt, new_rhs1_def_stmt_rhs1, new_rhs2_def_stmt_rhs1); -+ new_lhs = gimple_assign_lhs(assign); -+ check_size_overflow(assign, TREE_TYPE(new_lhs), new_lhs, rhs1, AFTER_STMT); -+ -+ return dup_assign(visited, stmt, lhs, new_rhs1, new_rhs2, NULL_TREE); -+} -+ -+bool is_a_neg_overflow(const gassign *stmt, const_tree rhs) -+{ -+ const_gimple def_stmt; -+ -+ if (TREE_CODE(rhs) != SSA_NAME) -+ return false; -+ -+ if (gimple_assign_rhs_code(stmt) != PLUS_EXPR) -+ return false; -+ -+ def_stmt = get_def_stmt(rhs); -+ if (!is_gimple_assign(def_stmt) || gimple_assign_rhs_code(def_stmt) != BIT_NOT_EXPR) -+ return false; -+ -+ return true; -+} -+ -+/* e.g., drivers/acpi/acpica/utids.c acpi_ut_execute_CID() -+ * ((count - 1) * sizeof(struct acpi_pnp_dee_id_list) -> (count + fffffff) * 16 -+ * fffffff * 16 > signed max -> truncate -+ */ -+static bool look_for_mult_and_add(const_gimple stmt) -+{ -+ const_tree res; -+ tree rhs1, rhs2, def_rhs1, def_rhs2, const_rhs, def_const_rhs; -+ const_gimple def_stmt; -+ -+ if (!stmt || gimple_code(stmt) == GIMPLE_NOP) -+ return false; -+ if (!is_gimple_assign(stmt)) -+ return false; -+ if (gimple_assign_rhs_code(stmt) != MULT_EXPR) -+ return false; -+ -+ rhs1 = gimple_assign_rhs1(stmt); -+ rhs2 = gimple_assign_rhs2(stmt); -+ if (is_gimple_constant(rhs1)) { -+ const_rhs = rhs1; -+ def_stmt = get_def_stmt(rhs2); -+ } else if (is_gimple_constant(rhs2)) { -+ const_rhs = rhs2; -+ def_stmt = get_def_stmt(rhs1); -+ } else -+ return false; -+ -+ if (!is_gimple_assign(def_stmt)) -+ return false; -+ -+ if (gimple_assign_rhs_code(def_stmt) != PLUS_EXPR && gimple_assign_rhs_code(def_stmt) != MINUS_EXPR) -+ return false; -+ -+ def_rhs1 = gimple_assign_rhs1(def_stmt); -+ def_rhs2 = gimple_assign_rhs2(def_stmt); -+ if (is_gimple_constant(def_rhs1)) -+ def_const_rhs = def_rhs1; -+ else if (is_gimple_constant(def_rhs2)) -+ def_const_rhs = def_rhs2; -+ else -+ return false; -+ -+ res = fold_binary_loc(gimple_location(def_stmt), MULT_EXPR, TREE_TYPE(const_rhs), const_rhs, def_const_rhs); -+ if (is_lt_signed_type_max(res) && is_gt_zero(res)) -+ return false; -+ return true; -+} -+ -+enum intentional_overflow_type add_mul_intentional_overflow(const gassign *stmt) -+{ -+ const_gimple def_stmt_1, def_stmt_2; -+ const_tree rhs1, rhs2; -+ bool add_mul_rhs1, add_mul_rhs2; -+ -+ rhs1 = gimple_assign_rhs1(stmt); -+ def_stmt_1 = get_def_stmt(rhs1); -+ add_mul_rhs1 = look_for_mult_and_add(def_stmt_1); -+ -+ rhs2 = gimple_assign_rhs2(stmt); -+ def_stmt_2 = get_def_stmt(rhs2); -+ add_mul_rhs2 = look_for_mult_and_add(def_stmt_2); -+ -+ if (add_mul_rhs1) -+ return RHS1_INTENTIONAL_OVERFLOW; -+ if (add_mul_rhs2) -+ return RHS2_INTENTIONAL_OVERFLOW; -+ return NO_INTENTIONAL_OVERFLOW; -+} -+ -+static gassign *get_dup_stmt(struct visited *visited, gassign *stmt) -+{ -+ gassign *my_stmt; -+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt); -+ -+ gsi_next(&gsi); -+ my_stmt = as_a_gassign(gsi_stmt(gsi)); -+ -+ gcc_assert(pointer_set_contains(visited->my_stmts, my_stmt)); -+ if (gimple_assign_cast_p(stmt) && gimple_assign_cast_p(my_stmt)) -+ return my_stmt; -+ -+ if (gimple_assign_rhs_code(stmt) != gimple_assign_rhs_code(my_stmt)) { -+ fprintf(stderr, "%s != %s\n", get_tree_code_name(gimple_assign_rhs_code(stmt)), get_tree_code_name(gimple_assign_rhs_code(my_stmt))); -+ debug_gimple_stmt(stmt); -+ debug_gimple_stmt(my_stmt); -+ gcc_unreachable(); -+ } -+ -+ return my_stmt; -+} -+ -+/* unsigned type -> unary or binary assign (rhs1 or rhs2 is constant) -+ * unsigned type cast to signed type, unsigned type: no more uses -+ * e.g., lib/vsprintf.c:simple_strtol() -+ * _10 = (unsigned long int) _9 -+ * _11 = -_10; -+ * _12 = (long int) _11; (_11_ no more uses) -+ */ -+static bool is_call_or_cast(gimple stmt) -+{ -+ return gimple_assign_cast_p(stmt) || is_gimple_call(stmt); -+} -+ -+static bool is_unsigned_cast_or_call_def_stmt(const_tree node) -+{ -+ const_tree rhs; -+ gimple def_stmt; -+ -+ if (node == NULL_TREE) -+ return true; -+ if (is_gimple_constant(node)) -+ return true; -+ -+ def_stmt = get_def_stmt(node); -+ if (!def_stmt) -+ return false; -+ -+ if (is_call_or_cast(def_stmt)) -+ return true; -+ -+ if (!is_gimple_assign(def_stmt) || gimple_num_ops(def_stmt) != 2) -+ return false; -+ rhs = gimple_assign_rhs1(def_stmt); -+ def_stmt = get_def_stmt(rhs); -+ if (!def_stmt) -+ return false; -+ return is_call_or_cast(def_stmt); -+} -+ -+void unsigned_signed_cast_intentional_overflow(struct visited *visited, gassign *stmt) -+{ -+ unsigned int use_num; -+ gassign *so_stmt; -+ const_gimple def_stmt; -+ const_tree rhs1, rhs2; -+ tree rhs = gimple_assign_rhs1(stmt); -+ tree lhs_type = TREE_TYPE(gimple_assign_lhs(stmt)); -+ const_tree rhs_type = TREE_TYPE(rhs); -+ -+ if (!(TYPE_UNSIGNED(rhs_type) && !TYPE_UNSIGNED(lhs_type))) -+ return; -+ if (GET_MODE_BITSIZE(TYPE_MODE(rhs_type)) != GET_MODE_BITSIZE(TYPE_MODE(lhs_type))) -+ return; -+ use_num = uses_num(rhs); -+ if (use_num != 1) -+ return; -+ -+ def_stmt = get_def_stmt(rhs); -+ if (!def_stmt) -+ return; -+ if (!is_gimple_assign(def_stmt)) -+ return; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ if (!is_unsigned_cast_or_call_def_stmt(rhs1)) -+ return; -+ -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ if (!is_unsigned_cast_or_call_def_stmt(rhs2)) -+ return; -+ if (gimple_num_ops(def_stmt) == 3 && !is_gimple_constant(rhs1) && !is_gimple_constant(rhs2)) -+ return; -+ -+ so_stmt = get_dup_stmt(visited, stmt); -+ create_up_and_down_cast(visited, so_stmt, lhs_type, gimple_assign_rhs1(so_stmt)); -+} -+ -diff --git a/tools/gcc/size_overflow_plugin/misc.c b/tools/gcc/size_overflow_plugin/misc.c -new file mode 100644 -index 0000000..c1b4773 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/misc.c -@@ -0,0 +1,441 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+const char *get_type_name_from_field(const_tree field_decl) -+{ -+ const_tree context, type_name; -+ -+ if (TREE_CODE(field_decl) != FIELD_DECL) -+ return NULL; -+ -+ context = DECL_CONTEXT(field_decl); -+ gcc_assert(TREE_CODE(context) == RECORD_TYPE); -+ type_name = TYPE_NAME(TYPE_MAIN_VARIANT(context)); -+ if (type_name == NULL_TREE) -+ return NULL; -+ -+ if (TREE_CODE(type_name) == IDENTIFIER_NODE) -+ return IDENTIFIER_POINTER(type_name); -+ else if (TREE_CODE(type_name) == TYPE_DECL) -+ return DECL_NAME_POINTER(type_name); -+ -+ debug_tree((tree)field_decl); -+ debug_tree((tree)type_name); -+ gcc_unreachable(); -+} -+ -+// Was the function created by the compiler itself? -+bool made_by_compiler(const_tree decl) -+{ -+ struct cgraph_node *node; -+ -+ if (FUNCTION_PTR_P(decl)) -+ return false; -+ if (TREE_CODE(decl) == VAR_DECL) -+ return false; -+ -+ gcc_assert(TREE_CODE(decl) == FUNCTION_DECL); -+ if (DECL_ABSTRACT_ORIGIN(decl) != NULL_TREE) -+ return true; -+ if (DECL_ARTIFICIAL(decl)) -+ return true; -+ -+ node = get_cnode(decl); -+ if (!node) -+ return false; -+ return node->clone_of != NULL; -+} -+ -+bool skip_types(const_tree var) -+{ -+ const_tree type; -+ -+ type = TREE_TYPE(var); -+ if (type == NULL_TREE) -+ return true; -+ -+ switch (TREE_CODE(type)) { -+ case INTEGER_TYPE: -+ case ENUMERAL_TYPE: -+ return false; -+ default: -+ return true; -+ } -+} -+ -+gimple get_fnptr_def_stmt(const_tree fn_ptr) -+{ -+ gimple def_stmt; -+ -+ gcc_assert(fn_ptr != NULL_TREE); -+ gcc_assert(FUNCTION_PTR_P(fn_ptr)); -+ -+ if (is_gimple_constant(fn_ptr)) -+ return NULL; -+ -+ def_stmt = get_def_stmt(fn_ptr); -+ gcc_assert(def_stmt); -+ return def_stmt; -+} -+ -+gimple get_def_stmt(const_tree node) -+{ -+ gcc_assert(node != NULL_TREE); -+ -+ if (TREE_CODE(node) != SSA_NAME) -+ return NULL; -+ return SSA_NAME_DEF_STMT(node); -+} -+ -+tree create_new_var(tree type) -+{ -+ tree new_var = create_tmp_var(type, "cicus"); -+ -+ add_referenced_var(new_var); -+ return new_var; -+} -+ -+static bool skip_cast(tree dst_type, const_tree rhs, bool force) -+{ -+ const_gimple def_stmt = get_def_stmt(rhs); -+ -+ if (force) -+ return false; -+ -+ if (is_gimple_constant(rhs)) -+ return false; -+ -+ if (!def_stmt || gimple_code(def_stmt) == GIMPLE_NOP) -+ return false; -+ -+ if (!types_compatible_p(dst_type, TREE_TYPE(rhs))) -+ return false; -+ -+ // DI type can be on 32 bit (from create_assign) but overflow type stays DI -+ if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode)) -+ return false; -+ -+ return true; -+} -+ -+tree cast_a_tree(tree type, tree var) -+{ -+ gcc_assert(type != NULL_TREE); -+ gcc_assert(var != NULL_TREE); -+ gcc_assert(fold_convertible_p(type, var)); -+ -+ return fold_convert(type, var); -+} -+ -+gimple build_cast_stmt(struct visited *visited, tree dst_type, tree rhs, tree lhs, gimple_stmt_iterator *gsi, bool before, bool force) -+{ -+ gassign *assign; -+ gimple def_stmt; -+ -+ gcc_assert(dst_type != NULL_TREE && rhs != NULL_TREE); -+ gcc_assert(!is_gimple_constant(rhs)); -+ if (gsi_end_p(*gsi) && before == AFTER_STMT) -+ gcc_unreachable(); -+ -+ def_stmt = get_def_stmt(rhs); -+ if (def_stmt && gimple_code(def_stmt) != GIMPLE_NOP && skip_cast(dst_type, rhs, force) && pointer_set_contains(visited->my_stmts, def_stmt)) -+ return def_stmt; -+ -+ if (lhs == CREATE_NEW_VAR) -+ lhs = create_new_var(dst_type); -+ -+ assign = gimple_build_assign(lhs, cast_a_tree(dst_type, rhs)); -+ -+ if (!gsi_end_p(*gsi)) { -+ location_t loc = gimple_location(gsi_stmt(*gsi)); -+ gimple_set_location(assign, loc); -+ } -+ -+ gimple_assign_set_lhs(assign, make_ssa_name(lhs, assign)); -+ -+ if (before) -+ gsi_insert_before(gsi, assign, GSI_NEW_STMT); -+ else -+ gsi_insert_after(gsi, assign, GSI_NEW_STMT); -+ update_stmt(assign); -+ return assign; -+} -+ -+bool is_size_overflow_type(const_tree var) -+{ -+ const char *name; -+ const_tree type_name, type; -+ -+ if (var == NULL_TREE) -+ return false; -+ -+ type = TREE_TYPE(var); -+ type_name = TYPE_NAME(type); -+ if (type_name == NULL_TREE) -+ return false; -+ -+ if (DECL_P(type_name)) -+ name = DECL_NAME_POINTER(type_name); -+ else -+ name = IDENTIFIER_POINTER(type_name); -+ -+ if (!strncmp(name, "size_overflow_type", 18)) -+ return true; -+ return false; -+} -+ -+// Determine if a cloned function has all the original arguments -+static bool unchanged_arglist(struct cgraph_node *new_node, struct cgraph_node *old_node) -+{ -+ const_tree new_decl_list, old_decl_list; -+ -+ if (new_node->clone_of && new_node->clone.tree_map) -+ return !new_node->clone.args_to_skip; -+ -+ new_decl_list = DECL_ARGUMENTS(NODE_DECL(new_node)); -+ old_decl_list = DECL_ARGUMENTS(NODE_DECL(old_node)); -+ if (new_decl_list != NULL_TREE && old_decl_list != NULL_TREE) -+ gcc_assert(list_length(new_decl_list) == list_length(old_decl_list)); -+ -+ return true; -+} -+ -+unsigned int get_correct_argnum_fndecl(const_tree fndecl, const_tree correct_argnum_of_fndecl, unsigned int num) -+{ -+ unsigned int new_num; -+ const_tree fndecl_arg; -+ tree fndecl_arglist = DECL_ARGUMENTS(fndecl); -+ const_tree arg, target_fndecl_arglist; -+ -+ if (num == 0) -+ return num; -+ -+ if (fndecl == correct_argnum_of_fndecl && !DECL_ARTIFICIAL(fndecl)) -+ return num; -+ else if (fndecl == correct_argnum_of_fndecl && DECL_ARTIFICIAL(fndecl)) -+ return CANNOT_FIND_ARG; -+ -+ target_fndecl_arglist = DECL_ARGUMENTS(correct_argnum_of_fndecl); -+ if (fndecl_arglist == NULL_TREE || target_fndecl_arglist == NULL_TREE) -+ return CANNOT_FIND_ARG; -+ -+ fndecl_arg = chain_index(num - 1, fndecl_arglist); -+ gcc_assert(fndecl_arg != NULL_TREE); -+ -+ for (arg = target_fndecl_arglist, new_num = 1; arg; arg = TREE_CHAIN(arg), new_num++) { -+ if (arg == fndecl_arg || !strcmp(DECL_NAME_POINTER(arg), DECL_NAME_POINTER(fndecl_arg))) -+ return new_num; -+ } -+ -+ return CANNOT_FIND_ARG; -+} -+ -+// Find the specified argument in the originally cloned function -+static unsigned int clone_argnum_on_orig(struct cgraph_node *new_node, struct cgraph_node *old_node, unsigned int clone_argnum) -+{ -+ bitmap args_to_skip; -+ unsigned int i, new_argnum = clone_argnum; -+ -+ if (unchanged_arglist(new_node, old_node)) -+ return clone_argnum; -+ -+ gcc_assert(new_node->clone_of && new_node->clone.tree_map); -+ args_to_skip = new_node->clone.args_to_skip; -+ for (i = 0; i < clone_argnum; i++) { -+ if (bitmap_bit_p(args_to_skip, i)) -+ new_argnum++; -+ } -+ return new_argnum; -+} -+ -+// Find the specified argument in the clone -+static unsigned int orig_argnum_on_clone(struct cgraph_node *new_node, struct cgraph_node *old_node, unsigned int orig_argnum) -+{ -+ bitmap args_to_skip; -+ unsigned int i, new_argnum = orig_argnum; -+ -+ if (unchanged_arglist(new_node, old_node)) -+ return orig_argnum; -+ -+ gcc_assert(new_node->clone_of && new_node->clone.tree_map); -+ args_to_skip = new_node->clone.args_to_skip; -+ if (bitmap_bit_p(args_to_skip, orig_argnum - 1)) -+ // XXX torolni kellene a nodeot -+ return CANNOT_FIND_ARG; -+ -+ for (i = 0; i < orig_argnum; i++) { -+ if (bitmap_bit_p(args_to_skip, i)) -+ new_argnum--; -+ } -+ return new_argnum; -+} -+ -+// Associate the argument between a clone and a cloned function -+static unsigned int get_correct_argnum_cnode(struct cgraph_node *node, struct cgraph_node *correct_argnum_of_node, unsigned int argnum) -+{ -+ bool node_clone, correct_argnum_of_node_clone; -+ const_tree correct_argnum_of_node_decl, node_decl; -+ -+ if (node == correct_argnum_of_node) -+ return argnum; -+ if (argnum == 0) -+ return argnum; -+ -+ correct_argnum_of_node_decl = NODE_DECL(correct_argnum_of_node); -+ gcc_assert(correct_argnum_of_node_decl != NULL_TREE); -+ gcc_assert(correct_argnum_of_node && !DECL_ARTIFICIAL(correct_argnum_of_node_decl)); -+ -+ if (node) { -+ node_decl = NODE_DECL(node); -+ gcc_assert(!DECL_ARTIFICIAL(node_decl)); -+ node_clone = made_by_compiler(node_decl); -+ } else { -+ node_decl = NULL_TREE; -+ node_clone = false; -+ } -+ -+ if (correct_argnum_of_node_decl == node_decl) -+ return argnum; -+ -+ correct_argnum_of_node_clone = made_by_compiler(correct_argnum_of_node_decl); -+ // the original decl is lost if both nodes are clones -+ if (node_clone && correct_argnum_of_node_clone) { -+ gcc_assert(unchanged_arglist(node, correct_argnum_of_node)); -+ return argnum; -+ } -+ -+ if (node_clone && !correct_argnum_of_node_clone) -+ return clone_argnum_on_orig(correct_argnum_of_node, node, argnum); -+ else if (!node_clone && correct_argnum_of_node_clone) -+ return orig_argnum_on_clone(correct_argnum_of_node, node, argnum); -+ -+ if (node) -+ debug_tree((tree)NODE_DECL(node)); -+ debug_tree((tree)correct_argnum_of_node_decl); -+ gcc_unreachable(); -+} -+ -+unsigned int get_correct_argnum(const_tree decl, const_tree correct_argnum_of_decl, unsigned int argnum) -+{ -+ struct cgraph_node *node, *correct_argnum_of_node; -+ -+ gcc_assert(decl != NULL_TREE); -+ gcc_assert(correct_argnum_of_decl != NULL_TREE); -+ -+ correct_argnum_of_node = get_cnode(correct_argnum_of_decl); -+ if (!correct_argnum_of_node || DECL_ARTIFICIAL(decl) || DECL_ARTIFICIAL(correct_argnum_of_decl)) -+ return get_correct_argnum_fndecl(decl, correct_argnum_of_decl, argnum); -+ -+ node = get_cnode(decl); -+ return get_correct_argnum_cnode(node, correct_argnum_of_node, argnum); -+} -+ -+// Find the original cloned function -+tree get_orig_fndecl(const_tree clone_fndecl) -+{ -+ struct cgraph_node *node; -+ -+ if (DECL_ABSTRACT_ORIGIN(clone_fndecl)) -+ return (tree)DECL_ORIGIN(clone_fndecl); -+ node = get_cnode(clone_fndecl); -+ if (!node) -+ return (tree)clone_fndecl; -+ -+ while (node->clone_of) -+ node = node->clone_of; -+ if (!made_by_compiler(NODE_DECL(node))) -+ return NODE_DECL(node); -+ // Return the cloned decl because it is needed for the transform callback -+ return (tree)clone_fndecl; -+} -+ -+static tree get_interesting_fndecl_from_stmt(const gcall *stmt) -+{ -+ if (gimple_call_num_args(stmt) == 0) -+ return NULL_TREE; -+ return gimple_call_fndecl(stmt); -+} -+ -+tree get_interesting_orig_fndecl_from_stmt(const gcall *stmt) -+{ -+ tree fndecl; -+ -+ fndecl = get_interesting_fndecl_from_stmt(stmt); -+ if (fndecl == NULL_TREE) -+ return NULL_TREE; -+ return get_orig_fndecl(fndecl); -+} -+ -+void set_dominance_info(void) -+{ -+ calculate_dominance_info(CDI_DOMINATORS); -+ calculate_dominance_info(CDI_POST_DOMINATORS); -+} -+ -+void unset_dominance_info(void) -+{ -+ free_dominance_info(CDI_DOMINATORS); -+ free_dominance_info(CDI_POST_DOMINATORS); -+} -+ -+void set_current_function_decl(tree fndecl) -+{ -+ gcc_assert(fndecl != NULL_TREE); -+ -+ push_cfun(DECL_STRUCT_FUNCTION(fndecl)); -+#if BUILDING_GCC_VERSION <= 4007 -+ current_function_decl = fndecl; -+#endif -+ set_dominance_info(); -+} -+ -+void unset_current_function_decl(void) -+{ -+ unset_dominance_info(); -+#if BUILDING_GCC_VERSION <= 4007 -+ current_function_decl = NULL_TREE; -+#endif -+ pop_cfun(); -+} -+ -+bool is_valid_cgraph_node(struct cgraph_node *node) -+{ -+ if (cgraph_function_body_availability(node) == AVAIL_NOT_AVAILABLE) -+ return false; -+ if (node->thunk.thunk_p || node->alias) -+ return false; -+ return true; -+} -+ -+tree get_lhs(const_gimple stmt) -+{ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_ASSIGN: -+ case GIMPLE_CALL: -+ return gimple_get_lhs(stmt); -+ case GIMPLE_PHI: -+ return gimple_phi_result(stmt); -+ default: -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+} -+ -diff --git a/tools/gcc/size_overflow_plugin/remove_unnecessary_dup.c b/tools/gcc/size_overflow_plugin/remove_unnecessary_dup.c -new file mode 100644 -index 0000000..5622b51 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/remove_unnecessary_dup.c -@@ -0,0 +1,137 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+bool skip_expr_on_double_type(const gassign *stmt) -+{ -+ enum tree_code code = gimple_assign_rhs_code(stmt); -+ -+ switch (code) { -+ case RSHIFT_EXPR: -+ case TRUNC_DIV_EXPR: -+ case CEIL_DIV_EXPR: -+ case FLOOR_DIV_EXPR: -+ case ROUND_DIV_EXPR: -+ case EXACT_DIV_EXPR: -+ case RDIV_EXPR: -+ case TRUNC_MOD_EXPR: -+ case CEIL_MOD_EXPR: -+ case FLOOR_MOD_EXPR: -+ case ROUND_MOD_EXPR: -+ return true; -+ default: -+ return false; -+ } -+} -+ -+void create_up_and_down_cast(struct visited *visited, gassign *use_stmt, tree orig_type, tree rhs) -+{ -+ const_tree orig_rhs1; -+ tree down_lhs, new_lhs, dup_type = TREE_TYPE(rhs); -+ const_gimple down_cast, up_cast; -+ gimple_stmt_iterator gsi = gsi_for_stmt(use_stmt); -+ -+ down_cast = build_cast_stmt(visited, orig_type, rhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ down_lhs = get_lhs(down_cast); -+ -+ gsi = gsi_for_stmt(use_stmt); -+ up_cast = build_cast_stmt(visited, dup_type, down_lhs, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ new_lhs = get_lhs(up_cast); -+ -+ orig_rhs1 = gimple_assign_rhs1(use_stmt); -+ if (operand_equal_p(orig_rhs1, rhs, 0)) -+ gimple_assign_set_rhs1(use_stmt, new_lhs); -+ else -+ gimple_assign_set_rhs2(use_stmt, new_lhs); -+ update_stmt(use_stmt); -+ -+ pointer_set_insert(visited->my_stmts, up_cast); -+ pointer_set_insert(visited->my_stmts, down_cast); -+ pointer_set_insert(visited->skip_expr_casts, up_cast); -+ pointer_set_insert(visited->skip_expr_casts, down_cast); -+} -+ -+static tree get_proper_unsigned_half_type(const_tree node) -+{ -+ tree new_type, type; -+ -+ gcc_assert(is_size_overflow_type(node)); -+ -+ type = TREE_TYPE(node); -+ switch (TYPE_MODE(type)) { -+ case HImode: -+ new_type = unsigned_intQI_type_node; -+ break; -+ case SImode: -+ new_type = unsigned_intHI_type_node; -+ break; -+ case DImode: -+ new_type = unsigned_intSI_type_node; -+ break; -+ case TImode: -+ new_type = unsigned_intDI_type_node; -+ break; -+ default: -+ gcc_unreachable(); -+ } -+ -+ if (TYPE_QUALS(type) != 0) -+ return build_qualified_type(new_type, TYPE_QUALS(type)); -+ return new_type; -+} -+ -+static void insert_cast_rhs(struct visited *visited, gassign *stmt, tree rhs) -+{ -+ tree type; -+ -+ if (rhs == NULL_TREE) -+ return; -+ if (!is_size_overflow_type(rhs)) -+ return; -+ -+ type = get_proper_unsigned_half_type(rhs); -+ if (is_gimple_constant(rhs)) -+ return; -+ create_up_and_down_cast(visited, stmt, type, rhs); -+} -+ -+static void insert_cast(struct visited *visited, gassign *stmt, tree rhs) -+{ -+ if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode) && !is_size_overflow_type(rhs)) -+ return; -+ gcc_assert(is_size_overflow_type(rhs)); -+ insert_cast_rhs(visited, stmt, rhs); -+} -+ -+void insert_cast_expr(struct visited *visited, gassign *stmt, enum intentional_overflow_type type) -+{ -+ tree rhs1, rhs2; -+ -+ if (type == NO_INTENTIONAL_OVERFLOW || type == RHS1_INTENTIONAL_OVERFLOW) { -+ rhs1 = gimple_assign_rhs1(stmt); -+ insert_cast(visited, stmt, rhs1); -+ } -+ -+ if (type == NO_INTENTIONAL_OVERFLOW || type == RHS2_INTENTIONAL_OVERFLOW) { -+ rhs2 = gimple_assign_rhs2(stmt); -+ insert_cast(visited, stmt, rhs2); -+ } -+} -+ -diff --git a/tools/gcc/size_overflow_plugin/size_overflow.h b/tools/gcc/size_overflow_plugin/size_overflow.h -new file mode 100644 -index 0000000..07e2ba7 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow.h -@@ -0,0 +1,281 @@ -+#ifndef SIZE_OVERFLOW_H -+#define SIZE_OVERFLOW_H -+ -+#define CREATE_NEW_VAR NULL_TREE -+#define MAX_PARAM 31 -+#define CANNOT_FIND_ARG 32 -+#define NONE_ARGNUM 32 -+ -+#define BEFORE_STMT true -+#define AFTER_STMT false -+ -+#define TURN_OFF_ASM_STR "# size_overflow MARK_TURN_OFF " -+#define YES_ASM_STR "# size_overflow MARK_YES " -+#define END_INTENTIONAL_ASM_STR "# size_overflow MARK_END_INTENTIONAL " -+#define SO_ASM_STR "# size_overflow " -+#define OK_ASM_STR "# size_overflow MARK_NO" -+ -+#define FUNCTION_PTR_P(node) \ -+ (TREE_CODE(TREE_TYPE(node)) == POINTER_TYPE && (TREE_CODE(TREE_TYPE(TREE_TYPE(node))) == FUNCTION_TYPE || TREE_CODE(TREE_TYPE(TREE_TYPE(node))) == METHOD_TYPE)) -+ -+#define CODES_LIMIT 32 -+ -+#define GLOBAL_NIFN_LEN 65536 -+#define NO_HASH 65537 -+ -+#include "gcc-common.h" -+ -+#include <string.h> -+#include <limits.h> -+ -+enum intentional_mark { -+ MARK_NO, MARK_YES, MARK_END_INTENTIONAL, MARK_TURN_OFF -+}; -+ -+enum intentional_overflow_type { -+ NO_INTENTIONAL_OVERFLOW, RHS1_INTENTIONAL_OVERFLOW, RHS2_INTENTIONAL_OVERFLOW -+}; -+ -+enum size_overflow_mark { -+ NO_SO_MARK, YES_SO_MARK, ASM_STMT_SO_MARK -+}; -+ -+struct decl_hash { -+ size_t tree_codes_len; -+ unsigned char tree_codes[CODES_LIMIT]; -+ const_tree decl; -+ unsigned int hash; -+ const char *fn_name; -+}; -+ -+struct next_interesting_function; -+typedef struct next_interesting_function * next_interesting_function_t; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+DEF_VEC_P(next_interesting_function_t); -+DEF_VEC_ALLOC_P(next_interesting_function_t, heap); -+#endif -+ -+#if BUILDING_GCC_VERSION >= 5000 -+typedef struct hash_set<const_gimple> gimple_set; -+ -+static inline bool pointer_set_insert(gimple_set *visited, const_gimple stmt) -+{ -+ return visited->add(stmt); -+} -+ -+static inline bool pointer_set_contains(gimple_set *visited, const_gimple stmt) -+{ -+ return visited->contains(stmt); -+} -+ -+static inline gimple_set* pointer_set_create(void) -+{ -+ return new hash_set<const_gimple>; -+} -+ -+static inline void pointer_set_destroy(gimple_set *visited) -+{ -+ delete visited; -+} -+ -+typedef struct hash_set<next_interesting_function_t> next_interesting_function_set; -+ -+static inline bool pointer_set_insert(next_interesting_function_set *visited, next_interesting_function_t node) -+{ -+ return visited->add(node); -+} -+ -+static inline bool pointer_set_contains(next_interesting_function_set *visited, next_interesting_function_t node) -+{ -+ return visited->contains(node); -+} -+ -+static inline next_interesting_function_set *next_interesting_function_pointer_set_create(void) -+{ -+ return new hash_set<next_interesting_function_t>; -+} -+ -+static inline void pointer_set_destroy(next_interesting_function_set *visited) -+{ -+ delete visited; -+} -+#else -+typedef struct pointer_set_t gimple_set; -+typedef struct pointer_set_t next_interesting_function_set; -+ -+static inline next_interesting_function_set *next_interesting_function_pointer_set_create(void) -+{ -+ return pointer_set_create(); -+} -+#endif -+ -+struct visited { -+ gimple_set *stmts; -+ gimple_set *my_stmts; -+ gimple_set *skip_expr_casts; -+ gimple_set *no_cast_check; -+}; -+ -+/* -+ * * children: callers with data flow into the integer parameter of decl -+ * * decl_name: name of the function or the field -+ * * context: the containing type name for a function pointer (or "fielddecl" if the type has no name), otherwise either "vardecl" or "fndecl" -+ * * hash: hash num of the function -+ * * num: parameter number (1-31) or return value (0) -+ * * marked: determines whether to duplicate stmts and/or look for missing hashtable entries -+ * * orig_next_node: pointer to the originally cloned function -+ */ -+struct next_interesting_function { -+ next_interesting_function_t next; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(next_interesting_function_t, heap) *children; -+#else -+ vec<next_interesting_function_t, va_heap, vl_embed> *children; -+#endif -+ const char *decl_name; -+ const char *context; -+ unsigned int hash; -+ unsigned int num; -+ enum size_overflow_mark marked; -+ next_interesting_function_t orig_next_node; -+}; -+ -+// size_overflow_plugin.c -+extern tree report_size_overflow_decl; -+extern tree size_overflow_type_HI; -+extern tree size_overflow_type_SI; -+extern tree size_overflow_type_DI; -+extern tree size_overflow_type_TI; -+ -+ -+// size_overflow_plugin_hash.c -+struct size_overflow_hash { -+ const struct size_overflow_hash * const next; -+ const char * const name; -+ const unsigned int param; -+}; -+ -+extern const char *get_orig_decl_name(const_tree decl); -+extern bool is_size_overflow_asm(const_gimple stmt); -+extern void print_missing_function(next_interesting_function_t node); -+extern const struct size_overflow_hash *get_size_overflow_hash_entry_tree(const_tree fndecl, unsigned int argnum); -+extern unsigned int find_arg_number_tree(const_tree arg, const_tree func); -+extern unsigned int get_decl_hash(const_tree decl, const char *decl_name); -+extern const struct size_overflow_hash *get_size_overflow_hash_entry(unsigned int hash, const char *decl_name, unsigned int argnum); -+ -+ -+// intentional_overflow.c -+extern tree get_size_overflow_asm_input(const gasm *stmt); -+extern enum intentional_mark check_intentional_asm(const_gimple stmt, unsigned int argnum); -+extern bool is_size_overflow_insert_check_asm(const gasm *stmt); -+extern enum intentional_mark check_intentional_attribute(const_gimple stmt, unsigned int argnum); -+extern enum intentional_mark get_so_asm_type(const_gimple stmt); -+extern const_tree get_attribute(const char* attr_name, const_tree decl); -+extern bool is_a_cast_and_const_overflow(const_tree no_const_rhs); -+extern bool is_const_plus_unsigned_signed_truncation(const_tree lhs); -+extern bool is_a_constant_overflow(const gassign *stmt, const_tree rhs); -+extern tree handle_intentional_overflow(struct visited *visited, bool check_overflow, gassign *stmt, tree change_rhs, tree new_rhs2); -+extern tree handle_integer_truncation(struct visited *visited, const_tree lhs); -+extern bool is_a_neg_overflow(const gassign *stmt, const_tree rhs); -+extern enum intentional_overflow_type add_mul_intentional_overflow(const gassign *stmt); -+extern void unsigned_signed_cast_intentional_overflow(struct visited *visited, gassign *stmt); -+ -+ -+// insert_size_overflow_asm.c -+#if BUILDING_GCC_VERSION >= 4009 -+extern opt_pass *make_insert_size_overflow_asm_pass(void); -+#else -+extern struct opt_pass *make_insert_size_overflow_asm_pass(void); -+#endif -+extern bool search_interesting_args(tree fndecl, bool *argnums); -+ -+ -+// misc.c -+extern unsigned int get_correct_argnum_fndecl(const_tree fndecl, const_tree correct_argnum_of_fndecl, unsigned int num); -+extern const char *get_type_name_from_field(const_tree field_decl); -+extern void set_dominance_info(void); -+extern void unset_dominance_info(void); -+extern tree get_interesting_orig_fndecl_from_stmt(const gcall *stmt); -+extern tree get_orig_fndecl(const_tree clone_fndecl); -+extern unsigned int get_correct_argnum(const_tree decl, const_tree correct_argnum_of_decl, unsigned int argnum); -+extern bool is_valid_cgraph_node(struct cgraph_node *node); -+extern void set_current_function_decl(tree fndecl); -+extern void unset_current_function_decl(void); -+extern gimple get_def_stmt(const_tree node); -+extern tree create_new_var(tree type); -+extern gimple build_cast_stmt(struct visited *visited, tree dst_type, tree rhs, tree lhs, gimple_stmt_iterator *gsi, bool before, bool force); -+extern bool skip_types(const_tree var); -+extern tree cast_a_tree(tree type, tree var); -+extern bool is_size_overflow_type(const_tree var); -+extern bool made_by_compiler(const_tree decl); -+extern gimple get_fnptr_def_stmt(const_tree fn_ptr); -+extern tree get_lhs(const_gimple stmt); -+ -+ -+// size_overflow_transform.c -+extern unsigned int size_overflow_transform(struct cgraph_node *node); -+extern tree handle_fnptr_assign(const_gimple stmt); -+ -+ -+// size_overflow_transform_core.c -+extern tree expand(struct visited *visited, tree lhs); -+extern void check_size_overflow(gimple stmt, tree size_overflow_type, tree cast_rhs, tree rhs, bool before); -+extern tree dup_assign(struct visited *visited, gassign *oldstmt, const_tree node, tree rhs1, tree rhs2, tree __unused rhs3); -+extern tree create_assign(struct visited *visited, gimple oldstmt, tree rhs1, bool before); -+ -+ -+// remove_unnecessary_dup.c -+extern struct opt_pass *make_remove_unnecessary_dup_pass(void); -+extern void insert_cast_expr(struct visited *visited, gassign *stmt, enum intentional_overflow_type type); -+extern bool skip_expr_on_double_type(const gassign *stmt); -+extern void create_up_and_down_cast(struct visited *visited, gassign *use_stmt, tree orig_type, tree rhs); -+ -+ -+// size_overflow_ipa.c -+extern void add_to_global_next_interesting_function(next_interesting_function_t new_entry); -+extern bool has_next_interesting_function_vec(next_interesting_function_t parent, next_interesting_function_t child); -+extern void push_child(next_interesting_function_t parent, next_interesting_function_t child); -+extern struct cgraph_node *get_cnode(const_tree fndecl); -+extern next_interesting_function_t global_next_interesting_function[GLOBAL_NIFN_LEN]; -+extern next_interesting_function_t get_global_next_interesting_function_entry(const char *decl_name, const char *context, unsigned int hash, unsigned int num, enum size_overflow_mark marked); -+extern next_interesting_function_t get_global_next_interesting_function_entry_with_hash(const_tree decl, const char *decl_name, unsigned int num, enum size_overflow_mark marked); -+extern void size_overflow_register_hooks(void); -+#if BUILDING_GCC_VERSION >= 4009 -+extern opt_pass *make_size_overflow_functions_pass(void); -+#else -+extern struct opt_pass *make_size_overflow_functions_pass(void); -+#endif -+extern void size_overflow_node_removal_hook(struct cgraph_node *node, void *data); -+extern next_interesting_function_t get_and_create_next_node_from_global_next_nodes(tree decl, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node); -+extern next_interesting_function_t create_new_next_interesting_decl(tree decl, const char *decl_name, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node); -+extern next_interesting_function_t create_new_next_interesting_entry(const char *decl_name, const char *context, unsigned int hash, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node); -+ -+ -+// size_overflow_lto.c -+extern void size_overflow_read_summary_lto(void); -+#if BUILDING_GCC_VERSION >= 4008 -+extern void size_overflow_write_summary_lto(void); -+#elif BUILDING_GCC_VERSION >= 4006 -+extern void size_overflow_write_summary_lto(cgraph_node_set set, varpool_node_set vset); -+#else -+extern void size_overflow_write_summary_lto(cgraph_node_set set); -+#endif -+ -+// size_overflow_fnptrs.c -+extern next_interesting_function_t handle_function_ptr_ret(gimple_set *visited, next_interesting_function_t next_cnodes_head, const_tree fn_ptr); -+extern void check_local_variables(next_interesting_function_t next_node); -+extern void check_global_variables(next_interesting_function_t cur_global); -+extern next_interesting_function_t get_and_create_next_node_from_global_next_nodes_fnptr(const_tree fn_ptr, unsigned int num, enum size_overflow_mark marked); -+ -+ -+// size_overflow_debug.c -+extern void __unused print_intentional_mark(enum intentional_mark mark); -+extern unsigned int __unused size_overflow_dump_function(FILE *file, struct cgraph_node *node); -+extern void __unused print_next_interesting_functions_chain(next_interesting_function_t head, bool only_this); -+extern void __unused print_global_next_interesting_functions(void); -+extern void __unused print_children_chain_list(next_interesting_function_t next_node); -+extern void __unused print_all_next_node_children_chain_list(next_interesting_function_t next_node); -+extern const char * __unused print_so_mark_name(enum size_overflow_mark mark); -+ -+#endif -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_debug.c b/tools/gcc/size_overflow_plugin/size_overflow_debug.c -new file mode 100644 -index 0000000..b8e7188 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_debug.c -@@ -0,0 +1,164 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+void __unused print_intentional_mark(enum intentional_mark mark) -+{ -+ fprintf(stderr, "intentional mark: "); -+ switch (mark) { -+ case MARK_NO: -+ fprintf(stderr, "mark_no\n"); -+ break; -+ case MARK_YES: -+ fprintf(stderr, "mark_yes\n"); -+ break; -+ case MARK_TURN_OFF: -+ fprintf(stderr, "mark_turn_off\n"); -+ break; -+ case MARK_END_INTENTIONAL: -+ fprintf(stderr, "mark_end_intentional\n"); -+ break; -+ } -+} -+ -+unsigned int __unused size_overflow_dump_function(FILE *file, struct cgraph_node *node) -+{ -+ basic_block bb; -+ -+ fprintf(file, "dump_function function_name: %s\n", cgraph_node_name(node)); -+ -+ fprintf(file, "\nstmts:\n"); -+ FOR_ALL_BB_FN(bb, DECL_STRUCT_FUNCTION(NODE_DECL(node))) { -+ gimple_stmt_iterator si; -+ -+ fprintf(file, "<bb %u>:\n", bb->index); -+ for (si = gsi_start_phis(bb); !gsi_end_p(si); gsi_next(&si)) -+ print_gimple_stmt(file, gsi_stmt(si), 0, TDF_VOPS|TDF_MEMSYMS); -+ for (si = gsi_start_bb(bb); !gsi_end_p(si); gsi_next(&si)) -+ print_gimple_stmt(file, gsi_stmt(si), 0, TDF_VOPS|TDF_MEMSYMS); -+ fprintf(file, "\n"); -+ } -+ -+ fprintf(file, "---------------------------------\n"); -+ -+ return 0; -+} -+ -+static void __unused print_next_interesting_function(next_interesting_function_t node) -+{ -+ unsigned int i; -+ next_interesting_function_t cur; -+ -+ if (!node) -+ return; -+ -+ fprintf(stderr, "print_next_interesting_function: ptr: %p, ", node); -+ fprintf(stderr, "decl_name: %s, ", node->decl_name); -+ -+ fprintf(stderr, "num: %u marked: %s context: %s\n", node->num, print_so_mark_name(node->marked), node->context); -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, node->children)) -+ return; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, node->children, i, cur) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(node->children, i, cur) { -+#endif -+ fprintf(stderr, "\t%u. child: %s %u %p\n", i + 1, cur->decl_name, cur->num, cur); -+ } -+} -+ -+// Dump the full next_interesting_function_t list for parsing by print_dependecy.py -+void __unused print_next_interesting_functions_chain(next_interesting_function_t head, bool only_this) -+{ -+ next_interesting_function_t cur; -+ unsigned int len; -+ -+ fprintf(stderr, "----------------------\nnext_interesting_function_t head: %p\n", head); -+ for (cur = head, len = 0; cur; cur = cur->next, len++) { -+ fprintf(stderr, "%u. ", len + 1); -+ print_next_interesting_function(cur); -+ -+ fprintf(stderr, "+++++ has orig node: %p +++++\n", cur->orig_next_node); -+ print_next_interesting_function(cur->orig_next_node); -+ -+ if (only_this) -+ break; -+ } -+ -+ fprintf(stderr, "len: %u\n----------------------\n\n\n", len + 1); -+} -+ -+void __unused print_global_next_interesting_functions(void) -+{ -+ unsigned int i; -+ -+ fprintf(stderr, "----------------------\nprint_global_next_interesting_functions:\n----------------------\n"); -+ for (i = 0; i < GLOBAL_NIFN_LEN; i++) { -+ if (!global_next_interesting_function[i]) -+ continue; -+ fprintf(stderr, "hash: %u\n", i); -+ print_next_interesting_functions_chain(global_next_interesting_function[i], false); -+ } -+ fprintf(stderr, "----------------------\n\n"); -+} -+ -+// Dump the information related to the specified next_interesting_function_t for parsing by print_dependecy.py -+void __unused print_children_chain_list(next_interesting_function_t next_node) -+{ -+ next_interesting_function_t cur; -+ unsigned int i; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, next_node->children)) -+ return; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, next_node->children, i, cur) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(next_node->children, i, cur) { -+#endif -+ fprintf(stderr, "parent: %s %u (marked: %s) child: %s %u\n", next_node->decl_name, next_node->num, print_so_mark_name(next_node->marked), cur->decl_name, cur->num); -+ print_children_chain_list(cur); -+ } -+} -+ -+void __unused print_all_next_node_children_chain_list(next_interesting_function_t head) -+{ -+ next_interesting_function_t cur; -+ -+ for (cur = head; cur; cur = cur->next) { -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, cur->children)) -+#else -+ if (vec_safe_length(cur->children) == 0) -+#endif -+ continue; -+ fprintf(stderr, "############ START ############\n"); -+ print_children_chain_list(cur); -+ fprintf(stderr, "############ END ############\n"); -+ } -+} -+ -+const char * __unused print_so_mark_name(enum size_overflow_mark mark) -+{ -+ if (mark == ASM_STMT_SO_MARK) -+ return "asm_stmt_so_mark"; -+ if (mark == YES_SO_MARK) -+ return "yes_so_mark"; -+ return "no_so_mark"; -+} -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_hash.data b/tools/gcc/size_overflow_plugin/size_overflow_hash.data -new file mode 100644 -index 0000000..ed2d97b ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_hash.data -@@ -0,0 +1,28385 @@ -+intel_fake_agp_alloc_by_type_1 intel_fake_agp_alloc_by_type 1 1 NULL nohasharray -+iwl_set_tx_power_1 iwl_set_tx_power 0 1 &intel_fake_agp_alloc_by_type_1 -+ocfs2_get_refcount_tree_3 ocfs2_get_refcount_tree 0 3 NULL -+phy_read_mmd_4 phy_read_mmd 0 4 NULL -+smsc95xx_mdio_read_10 smsc95xx_mdio_read 0 10 NULL -+ext3_writeback_write_end_11 ext3_writeback_write_end 5-0 11 NULL -+show_ioc_guid_17 show_ioc_guid 0 17 NULL -+lpfc_topology_show_18 lpfc_topology_show 0 18 NULL nohasharray -+chassis_clear_18 chassis_clear 0-4 18 &lpfc_topology_show_18 -+mmc_sdio_init_card_20 mmc_sdio_init_card 0 20 NULL -+storvsc_connect_to_vsp_22 storvsc_connect_to_vsp 2 22 NULL -+compat_sock_setsockopt_23 compat_sock_setsockopt 5 23 NULL -+rio_disc_mport_26 rio_disc_mport 0 26 NULL -+carl9170_alloc_27 carl9170_alloc 1 27 NULL -+target_core_dev_wwn_show_attr_vpd_unit_serial_33 target_core_dev_wwn_show_attr_vpd_unit_serial 0 33 NULL -+show_ipv4_iface_dhcp_dns_address_en_34 show_ipv4_iface_dhcp_dns_address_en 0 34 NULL -+eeprom_93xx46_ew_42 eeprom_93xx46_ew 0 42 NULL -+atl1e_phy_commit_44 atl1e_phy_commit 0 44 NULL -+iwlagn_rxon_connect_53 iwlagn_rxon_connect 0 53 NULL -+padzero_55 padzero 1 55 NULL nohasharray -+sel_read_policyvers_55 sel_read_policyvers 3-0 55 &padzero_55 nohasharray -+ext3_xattr_security_list_55 ext3_xattr_security_list 0-5 55 &sel_read_policyvers_55 -+cfg80211_disconnected_57 cfg80211_disconnected 4 57 NULL -+tps65910_rtc_alarm_irq_enable_59 tps65910_rtc_alarm_irq_enable 0 59 NULL -+lp3971_ldo_enable_63 lp3971_ldo_enable 0 63 NULL nohasharray -+lxfb_check_var_63 lxfb_check_var 0 63 &lp3971_ldo_enable_63 -+__skb_to_sgvec_72 __skb_to_sgvec 0 72 NULL -+_nfs41_test_stateid_76 _nfs41_test_stateid 0 76 NULL -+gadget_strings_product_store_78 gadget_strings_product_store 0-3 78 NULL -+ocfs2_remove_btree_range_81 ocfs2_remove_btree_range 0 81 NULL -+write_file_tpc_86 write_file_tpc 3-0 86 NULL nohasharray -+uwb_dev_LQE_show_86 uwb_dev_LQE_show 0 86 &write_file_tpc_86 -+snd_korg1212_copy_to_92 snd_korg1212_copy_to 6 92 NULL -+load_msg_95 load_msg 2 95 NULL -+bnx2_reset_chip_101 bnx2_reset_chip 0 101 NULL -+fat_statfs_102 fat_statfs 0 102 NULL -+ov9650_set_hvflip_105 ov9650_set_hvflip 0 105 NULL -+nilfs_direct_insert_106 nilfs_direct_insert 0 106 NULL -+af9015_ctrl_msg_107 af9015_ctrl_msg 0 107 NULL -+device_flush_iotlb_115 device_flush_iotlb 2-3 115 NULL -+ipath_verbs_send_117 ipath_verbs_send 3-5 117 NULL -+nilfs_transaction_commit_119 nilfs_transaction_commit 0 119 NULL -+_rtl_prep_rx_urb_122 _rtl_prep_rx_urb 0 122 NULL -+wl1273_fm_stop_125 wl1273_fm_stop 0 125 NULL -+smack_syslog_126 smack_syslog 0 126 NULL -+init_q_132 init_q 4 132 NULL -+btrfs_setxattr_135 btrfs_setxattr 0 135 NULL -+xfs_inobt_free_block_139 xfs_inobt_free_block 0 139 NULL -+memstick_alloc_host_142 memstick_alloc_host 1 142 NULL -+gfs2_glock_get_147 gfs2_glock_get 0 147 NULL nohasharray -+st_magn_buffer_predisable_147 st_magn_buffer_predisable 0 147 &gfs2_glock_get_147 -+wusb_dev_4way_handshake_150 wusb_dev_4way_handshake 0 150 NULL -+ping_v6_sendmsg_152 ping_v6_sendmsg 4-0 152 NULL -+scsi_dh_handler_attach_153 scsi_dh_handler_attach 0 153 NULL nohasharray -+tracing_trace_options_write_153 tracing_trace_options_write 3 153 &scsi_dh_handler_attach_153 -+set_max_uV_156 set_max_uV 0-4 156 NULL -+cm_suspend_prepare_161 cm_suspend_prepare 0 161 NULL -+pci_request_selected_regions_169 pci_request_selected_regions 0 169 NULL -+pvr2_buffer_queue_181 pvr2_buffer_queue 0 181 NULL nohasharray -+rtl_op_add_interface_181 rtl_op_add_interface 0 181 &pvr2_buffer_queue_181 -+iscsi_nacl_auth_show_authenticate_target_183 iscsi_nacl_auth_show_authenticate_target 0 183 NULL -+tda18212_get_if_frequency_185 tda18212_get_if_frequency 0 185 NULL -+ds2780_store_eeprom_188 ds2780_store_eeprom 0 188 NULL -+xfs_buf_item_get_format_189 xfs_buf_item_get_format 2 189 NULL -+xfs_bmap_btalloc_192 xfs_bmap_btalloc 0 192 NULL nohasharray -+max8998_rtc_stop_alarm_192 max8998_rtc_stop_alarm 0 192 &xfs_bmap_btalloc_192 -+iscsi_session_setup_196 iscsi_session_setup 5-4 196 NULL -+palmas_write_197 palmas_write 0 197 NULL -+nes_inetaddr_event_198 nes_inetaddr_event 0 198 NULL -+obd_proc_jobid_var_seq_write_199 obd_proc_jobid_var_seq_write 3 199 NULL -+dbg_leb_map_204 dbg_leb_map 0 204 NULL -+owned_show_208 owned_show 0 208 NULL -+create_bind_cap_vol_ctl_209 create_bind_cap_vol_ctl 0 209 NULL -+store_cpufv_215 store_cpufv 0-4 215 NULL -+snd_cx18_pcm_prepare_219 snd_cx18_pcm_prepare 0 219 NULL nohasharray -+target_stat_scsi_auth_intr_show_attr_write_mbytes_219 target_stat_scsi_auth_intr_show_attr_write_mbytes 0 219 &snd_cx18_pcm_prepare_219 -+mt9m111_set_autowhitebalance_221 mt9m111_set_autowhitebalance 0 221 NULL -+__gfs2_setattr_simple_228 __gfs2_setattr_simple 0 228 NULL -+shdma_init_232 shdma_init 3 232 NULL -+aux1_show_233 aux1_show 0 233 NULL -+class_pktcdvd_store_remove_235 class_pktcdvd_store_remove 0-4 235 NULL -+netlbl_unlhsh_remove_237 netlbl_unlhsh_remove 0 237 NULL -+usb_pcwd_notify_sys_241 usb_pcwd_notify_sys 0 241 NULL -+ore_write_243 ore_write 0 243 NULL -+ac_read_244 ac_read 0-3 244 NULL -+vlan_proc_add_dev_245 vlan_proc_add_dev 0 245 NULL -+ll_xattr_cache_seq_write_250 ll_xattr_cache_seq_write 3 250 NULL -+vpdma_create_desc_list_255 vpdma_create_desc_list 2 255 NULL -+rt73usb_enable_radio_258 rt73usb_enable_radio 0 258 NULL -+sctp_assoc_set_bind_addr_from_ep_263 sctp_assoc_set_bind_addr_from_ep 0 263 NULL -+setup_stream_272 setup_stream 0 272 NULL nohasharray -+mxl111sf_ctrl_msg_272 mxl111sf_ctrl_msg 0 272 &setup_stream_272 nohasharray -+mpls_dev_sysctl_register_272 mpls_dev_sysctl_register 0 272 &mxl111sf_ctrl_msg_272 -+xfs_dabuf_map_277 xfs_dabuf_map 0 277 NULL -+lp855x_get_chip_id_278 lp855x_get_chip_id 0 278 NULL nohasharray -+iscsi_tpg_attrib_show_demo_mode_write_protect_278 iscsi_tpg_attrib_show_demo_mode_write_protect 0 278 &lp855x_get_chip_id_278 -+print_cpu_modalias_279 print_cpu_modalias 0 279 NULL -+bdx_change_mtu_282 bdx_change_mtu 0 282 NULL -+netdev_get_sset_count_286 netdev_get_sset_count 0 286 NULL -+read_file_war_stats_292 read_file_war_stats 3-0 292 NULL -+ipvlan_open_298 ipvlan_open 0 298 NULL -+grgpio_to_irq_300 grgpio_to_irq 2 300 NULL nohasharray -+sctp_make_control_300 sctp_make_control 4 300 &grgpio_to_irq_300 -+pin_configs_show_303 pin_configs_show 0 303 NULL -+SYSC_connect_304 SYSC_connect 3 304 NULL -+tipc_skb_tailroom_305 tipc_skb_tailroom 0 305 NULL -+syslog_print_307 syslog_print 2-0 307 NULL -+iscsi_stat_instance_show_attr_nodes_309 iscsi_stat_instance_show_attr_nodes 0 309 NULL -+platform_device_add_data_310 platform_device_add_data 3-0 310 NULL -+wl1251_cmd_interrogate_311 wl1251_cmd_interrogate 0 311 NULL -+dn_setsockopt_314 dn_setsockopt 5-0 314 NULL -+next_bitstream_show_315 next_bitstream_show 0 315 NULL nohasharray -+cpumask_parselist_user_315 cpumask_parselist_user 0 315 &next_bitstream_show_315 -+nilfs_btree_last_key_316 nilfs_btree_last_key 0 316 NULL -+batadv_interface_open_321 batadv_interface_open 0 321 NULL -+snd_seq_delete_port_322 snd_seq_delete_port 0 322 NULL -+show_tabletMouseLeft_325 show_tabletMouseLeft 0 325 NULL -+ath9k_wmi_cmd_327 ath9k_wmi_cmd 4-0 327 NULL -+ceph_sync_read_328 ceph_sync_read 0 328 NULL nohasharray -+show_ipv6_iface_nd_stale_tmo_328 show_ipv6_iface_nd_stale_tmo 0 328 &ceph_sync_read_328 -+btrfs_calc_avail_data_space_329 btrfs_calc_avail_data_space 0 329 NULL -+map_urb_for_dma_332 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snd_seq_kernel_client_enqueue_blocking 0 1604 NULL -+__uncore_match_show_1606 __uncore_match_show 0 1606 NULL nohasharray -+disabled_store_1606 disabled_store 0-4 1606 &__uncore_match_show_1606 -+packet_buffer_init_1607 packet_buffer_init 2 1607 NULL -+btmrvl_hscmd_read_1614 btmrvl_hscmd_read 3-0 1614 NULL -+wl1271_ap_init_deauth_template_1617 wl1271_ap_init_deauth_template 0 1617 NULL -+v9fs_fid_xattr_get_1618 v9fs_fid_xattr_get 0 1618 NULL -+jfs_write_inode_1620 jfs_write_inode 0 1620 NULL -+zd_read_regdomain_1622 zd_read_regdomain 0 1622 NULL -+beiscsi_get_initname_1629 beiscsi_get_initname 0 1629 NULL -+ip_tunnel_init_1633 ip_tunnel_init 0 1633 NULL -+rsb_insert_1636 rsb_insert 0 1636 NULL nohasharray -+inv_fifo_rate_show_1636 inv_fifo_rate_show 0 1636 &rsb_insert_1636 -+cifs_write_end_1643 cifs_write_end 0-5 1643 NULL -+qla24xx_84xx_fw_version_show_1644 qla24xx_84xx_fw_version_show 0 1644 NULL -+iwl_pcie_set_hw_ready_1649 iwl_pcie_set_hw_ready 0 1649 NULL -+set_sample_rate_v1_1651 set_sample_rate_v1 0 1651 NULL -+tpm_send_1655 tpm_send 0-3 1655 NULL -+ikconfig_read_current_1658 ikconfig_read_current 3-0 1658 NULL -+map_block_for_writepage_1662 map_block_for_writepage 0 1662 NULL nohasharray -+bh1770_lux_update_thresholds_1662 bh1770_lux_update_thresholds 0 1662 &map_block_for_writepage_1662 -+mei_cl_recv_1665 mei_cl_recv 3 1665 NULL -+nct6775_create_attr_group_1677 nct6775_create_attr_group 3 1677 NULL -+o2hb_region_blocks_read_1679 o2hb_region_blocks_read 0 1679 NULL -+hso_net_open_1680 hso_net_open 0 1680 NULL nohasharray -+amd_iommu_suspend_1680 amd_iommu_suspend 0 1680 &hso_net_open_1680 -+__qib_get_user_pages_1681 __qib_get_user_pages 0 1681 NULL nohasharray -+ath10k_station_disassoc_1681 ath10k_station_disassoc 0 1681 &__qib_get_user_pages_1681 -+ath10k_bmi_lz_data_1682 ath10k_bmi_lz_data 0 1682 NULL nohasharray -+niu_compute_rbr_cfig_b_1682 niu_compute_rbr_cfig_b 0 1682 &ath10k_bmi_lz_data_1682 -+configfs_read_file_1683 configfs_read_file 3-0 1683 NULL -+irst_store_wakeup_events_1684 irst_store_wakeup_events 0-4 1684 NULL -+rio_enum_mport_1685 rio_enum_mport 0 1685 NULL -+nilfs_palloc_count_max_entries_1687 nilfs_palloc_count_max_entries 0 1687 NULL -+tps65217_pmic_enable_1688 tps65217_pmic_enable 0 1688 NULL -+em25xx_bus_B_recv_bytes_1689 em25xx_bus_B_recv_bytes 0-4 1689 NULL nohasharray -+ssp_check_lines_1689 ssp_check_lines 0 1689 &em25xx_bus_B_recv_bytes_1689 -+lpfc_max_rpi_show_1691 lpfc_max_rpi_show 0 1691 NULL -+ipr_store_iopoll_weight_1694 ipr_store_iopoll_weight 0-4 1694 NULL -+iscsit_na_nopin_timeout_1695 iscsit_na_nopin_timeout 0 1695 NULL -+enable_irq_1698 enable_irq 0 1698 NULL nohasharray -+dlm_control_store_1698 dlm_control_store 0-3 1698 &enable_irq_1698 -+iwl_dbgfs_d0i3_refs_read_1705 iwl_dbgfs_d0i3_refs_read 3-0 1705 NULL -+pdu_write_u_1710 pdu_write_u 3 1710 NULL -+coda_psdev_write_1711 coda_psdev_write 3-0 1711 NULL -+btrfs_dir_data_len_1714 btrfs_dir_data_len 0 1714 NULL -+udf_setattr_1716 udf_setattr 0 1716 NULL -+ufx_blank_1723 ufx_blank 0 1723 NULL -+mp_pin_to_gsi_1726 mp_pin_to_gsi 0-2 1726 NULL -+internal_create_group_1733 internal_create_group 0 1733 NULL -+dev_irnet_read_1741 dev_irnet_read 3-0 1741 NULL -+usb_ep_align_maybe_1743 usb_ep_align_maybe 0-3 1743 NULL -+tx_frag_called_read_1748 tx_frag_called_read 3-0 1748 NULL -+br_vlan_init_1752 br_vlan_init 0 1752 NULL nohasharray -+fm10k_setup_rx_resources_1752 fm10k_setup_rx_resources 0 1752 &br_vlan_init_1752 -+bfs_write_inode_1755 bfs_write_inode 0 1755 NULL -+nobh_writepage_1757 nobh_writepage 0 1757 NULL -+ieee80211_new_mesh_header_1761 ieee80211_new_mesh_header 0 1761 NULL -+start_transport_1762 start_transport 0 1762 NULL -+ebt_size_mwt_1768 ebt_size_mwt 0 1768 NULL -+__mlx4_qp_reserve_range_1773 __mlx4_qp_reserve_range 3-0 1773 NULL -+cosa_write_1774 cosa_write 3 1774 NULL -+set_temp_emergency_1776 set_temp_emergency 0-4 1776 NULL -+event_show_1780 event_show 0 1780 NULL -+tpacpi_driver_wlsw_emulstate_store_1783 tpacpi_driver_wlsw_emulstate_store 0-3 1783 NULL -+usb_dmac_desc_alloc_1792 usb_dmac_desc_alloc 2 1792 NULL -+fcoe_ctlr_device_add_1793 fcoe_ctlr_device_add 3 1793 NULL -+ueth_change_mtu_1794 ueth_change_mtu 0 1794 NULL -+show_auto_fan_1801 show_auto_fan 0 1801 NULL -+qlcnic_sriov_alloc_bc_mbx_args_1809 qlcnic_sriov_alloc_bc_mbx_args 0 1809 NULL -+vt596_access_1815 vt596_access 0 1815 NULL -+cyapa_get_state_1817 cyapa_get_state 0 1817 NULL -+sta_aid_read_1819 sta_aid_read 3-0 1819 NULL -+genfs_read_1821 genfs_read 0 1821 NULL -+vicam_set_camera_power_1824 vicam_set_camera_power 0 1824 NULL -+set_lcd_brightness_1831 set_lcd_brightness 0 1831 NULL -+disk_events_poll_msecs_store_1832 disk_events_poll_msecs_store 0-4 1832 NULL -+qla27xx_fwdt_template_default_size_1836 qla27xx_fwdt_template_default_size 0 1836 NULL -+qlcnic_get_phys_port_id_1839 qlcnic_get_phys_port_id 0 1839 NULL -+subsystem_device_show_1840 subsystem_device_show 0 1840 NULL -+show_1841 show 0 1841 NULL -+usbduxsigma_firmware_upload_1843 usbduxsigma_firmware_upload 3 1843 NULL -+fm10k_iov_configure_1845 fm10k_iov_configure 0-2 1845 NULL -+ov9650_set_auto_white_balance_1847 ov9650_set_auto_white_balance 0 1847 NULL -+xfs_vm_write_end_1854 xfs_vm_write_end 5-0 1854 NULL -+bq32k_rtc_read_time_1863 bq32k_rtc_read_time 0 1863 NULL -+device_prepare_1870 device_prepare 0 1870 NULL -+qlcnic_config_port_mirroring_1872 qlcnic_config_port_mirroring 0 1872 NULL -+rds_cong_monitor_1879 rds_cong_monitor 0 1879 NULL -+sb_issue_zeroout_1884 sb_issue_zeroout 3 1884 NULL -+show_fcoe_fcf_device_fabric_name_1885 show_fcoe_fcf_device_fabric_name 0 1885 NULL -+output_read_1886 output_read 0-5-6 1886 NULL -+acpi_device_update_power_1887 acpi_device_update_power 0 1887 NULL -+polling_interval_store_1888 polling_interval_store 0-4 1888 NULL -+write_1891 write 0 1891 NULL -+show_pwm_auto_point1_pwm_1896 show_pwm_auto_point1_pwm 0 1896 NULL -+rx_defrag_called_read_1897 rx_defrag_called_read 3-0 1897 NULL -+nfs_parse_server_name_1899 nfs_parse_server_name 2 1899 NULL -+smsc9420_ethtool_get_eeprom_len_1900 smsc9420_ethtool_get_eeprom_len 0 1900 NULL nohasharray -+SyS_add_key_1900 SyS_add_key 4 1900 &smsc9420_ethtool_get_eeprom_len_1900 -+pty_write_room_1904 pty_write_room 0 1904 NULL nohasharray -+gfs2_getxattr_1904 gfs2_getxattr 0 1904 &pty_write_room_1904 -+rs_sta_dbgfs_drv_tx_stats_write_1908 rs_sta_dbgfs_drv_tx_stats_write 0-3 1908 NULL -+isku_sysfs_write_keys_media_1910 isku_sysfs_write_keys_media 6-0-5 1910 NULL -+fst_open_1911 fst_open 0 1911 NULL -+cdc_ncm_show_wNdpOutPayloadRemainder_1917 cdc_ncm_show_wNdpOutPayloadRemainder 0 1917 NULL -+uhid_char_read_1920 uhid_char_read 3-0 1920 NULL -+pwc_s_ctrl_1924 pwc_s_ctrl 0 1924 NULL -+cxacru_sysfs_show_transmitter_power_1925 cxacru_sysfs_show_transmitter_power 0 1925 NULL nohasharray -+tcp_cgroup_reset_1925 tcp_cgroup_reset 0-3 1925 &cxacru_sysfs_show_transmitter_power_1925 -+tx_tx_retry_data_read_1926 tx_tx_retry_data_read 3-0 1926 NULL -+vlan_dev_set_mac_address_1927 vlan_dev_set_mac_address 0 1927 NULL -+kfd_cache_show_1929 kfd_cache_show 0 1929 NULL -+rio_read_config_1932 rio_read_config 0-6-5 1932 NULL nohasharray -+ecryptfs_fsync_1932 ecryptfs_fsync 0 1932 &rio_read_config_1932 nohasharray -+niu_enable_ldn_in_ldg_1932 niu_enable_ldn_in_ldg 0 1932 &ecryptfs_fsync_1932 -+bdev_erase_1933 bdev_erase 3 1933 NULL -+bnx2x_set_eth_mac_1936 bnx2x_set_eth_mac 0 1936 NULL -+gsp_receive_1939 gsp_receive 0-3 1939 NULL -+nvif_object_sclass_1940 nvif_object_sclass 3 1940 NULL nohasharray -+cyttsp_probe_1940 cyttsp_probe 4 1940 &nvif_object_sclass_1940 -+bcm7xxx_apd_enable_1942 bcm7xxx_apd_enable 0 1942 NULL nohasharray -+check_dyn_adc_switch_1942 check_dyn_adc_switch 0 1942 &bcm7xxx_apd_enable_1942 -+e100_get_sset_count_1943 e100_get_sset_count 0 1943 NULL -+ieee80211_if_fmt_dot11MeshConfirmTimeout_1945 ieee80211_if_fmt_dot11MeshConfirmTimeout 3 1945 NULL -+igb_open_1946 igb_open 0 1946 NULL -+i40e_vsi_setup_rx_resources_1947 i40e_vsi_setup_rx_resources 0 1947 NULL -+fcoe_vport_create_1948 fcoe_vport_create 0 1948 NULL -+max_readahead_show_1952 max_readahead_show 0 1952 NULL -+w1_ds2780_do_io_1954 w1_ds2780_do_io 4-3-0 1954 NULL -+update_qd_1955 update_qd 0 1955 NULL -+read_swap_header_1957 read_swap_header 0 1957 NULL -+b43legacy_wireless_core_start_1958 b43legacy_wireless_core_start 0 1958 NULL -+__assign_irq_vector_1961 __assign_irq_vector 0 1961 NULL -+show_session_param_ISCSI_PARAM_TGT_RESET_TMO_1963 show_session_param_ISCSI_PARAM_TGT_RESET_TMO 0 1963 NULL nohasharray -+ql_get_adapter_resources_1963 ql_get_adapter_resources 0 1963 &show_session_param_ISCSI_PARAM_TGT_RESET_TMO_1963 -+ivtv_v4l2_read_1964 ivtv_v4l2_read 3-0 1964 NULL nohasharray -+dvb_net_open_1964 dvb_net_open 0 1964 &ivtv_v4l2_read_1964 -+qla2xxx_get_vpd_field_1965 qla2xxx_get_vpd_field 4 1965 NULL -+nvkm_client_map_1967 nvkm_client_map 2-3 1967 NULL -+xgbe_set_mac_address_1968 xgbe_set_mac_address 0 1968 NULL -+bq2415x_get_current_limit_1969 bq2415x_get_current_limit 0 1969 NULL nohasharray -+cyapa_show_baseline_1969 cyapa_show_baseline 0 1969 &bq2415x_get_current_limit_1969 -+libcfs_sock_write_1978 libcfs_sock_write 3 1978 NULL -+selinux_inode_setotherxattr_1980 selinux_inode_setotherxattr 0 1980 NULL -+config_table_show_1982 config_table_show 0 1982 NULL -+__uncore_filter_nc_show_1983 __uncore_filter_nc_show 0 1983 NULL -+sel_read_avc_hash_stats_1984 sel_read_avc_hash_stats 3-0 1984 NULL -+proc_sys_setattr_1985 proc_sys_setattr 0 1985 NULL -+gpio_power_write_1991 gpio_power_write 3-0 1991 NULL -+__alloc_bootmem_node_1992 __alloc_bootmem_node 2 1992 NULL -+show_session_param_ISCSI_PARAM_ISID_2003 show_session_param_ISCSI_PARAM_ISID 0 2003 NULL nohasharray -+usb_sleep_charge_store_2003 usb_sleep_charge_store 0-4 2003 &show_session_param_ISCSI_PARAM_ISID_2003 -+adt7411_show_input_2009 adt7411_show_input 0 2009 NULL -+rx_rx_defrag_read_2010 rx_rx_defrag_read 3-0 2010 NULL -+snd_bt87x_start_2014 snd_bt87x_start 0 2014 NULL -+acpi_ex_create_power_resource_2015 acpi_ex_create_power_resource 0 2015 NULL -+msgdma_initialize_2017 msgdma_initialize 0 2017 NULL nohasharray -+dps0_insert_key_2017 dps0_insert_key 0-4 2017 &msgdma_initialize_2017 -+write_flush_pipefs_2021 write_flush_pipefs 3-0 2021 NULL -+show_otp5en_2024 show_otp5en 0 2024 NULL nohasharray -+__uncore_mask_rds_show_2024 __uncore_mask_rds_show 0 2024 &show_otp5en_2024 -+devm_ioremap_nocache_2036 devm_ioremap_nocache 2-3 2036 NULL -+ebitmap_read_2039 ebitmap_read 0 2039 NULL -+cifs_read_2041 cifs_read 0 2041 NULL -+ims_pcu_send_command_2046 ims_pcu_send_command 0 2046 NULL -+ath6kl_fwlog_mask_read_2050 ath6kl_fwlog_mask_read 3-0 2050 NULL -+atl1_get_sset_count_2051 atl1_get_sset_count 0 2051 NULL -+bq2415x_sysfs_show_registers_2055 bq2415x_sysfs_show_registers 0 2055 NULL -+show_speed_2057 show_speed 0 2057 NULL -+tpg_alloc_2062 tpg_alloc 2 2062 NULL -+ipath_manage_rcvq_2063 ipath_manage_rcvq 0 2063 NULL -+ledtrig_cpu_notify_2064 ledtrig_cpu_notify 0 2064 NULL -+nfs_proc_setattr_2065 nfs_proc_setattr 0 2065 NULL -+__generic_copy_from_user_intel_2073 __generic_copy_from_user_intel 0 2073 NULL -+tpacpi_driver_bluetooth_emulstate_store_2079 tpacpi_driver_bluetooth_emulstate_store 0-3 2079 NULL -+recover_callbacks_read_2080 recover_callbacks_read 0 2080 NULL -+iwl_dbgfs_current_sleep_command_read_2081 iwl_dbgfs_current_sleep_command_read 3-0 2081 NULL -+pwm_period_store_2082 pwm_period_store 0-4 2082 NULL -+nfs_statfs_2086 nfs_statfs 0 2086 NULL -+mptscsih_device_delay_show_2089 mptscsih_device_delay_show 0 2089 NULL -+max_luns_store_2090 max_luns_store 0-3 2090 NULL -+smbioslabel_show_2094 smbioslabel_show 0 2094 NULL nohasharray -+store_2094 store 0-3 2094 &smbioslabel_show_2094 -+xgmac_reg_value_read_2095 xgmac_reg_value_read 3-0 2095 NULL -+set_unlock_args_2096 set_unlock_args 0 2096 NULL nohasharray -+cdc_ncm_store_rx_max_2096 cdc_ncm_store_rx_max 0-4 2096 &set_unlock_args_2096 -+idetape_chrdev_read_2097 idetape_chrdev_read 3-0 2097 NULL nohasharray -+f2fs_attr_show_2097 f2fs_attr_show 0 2097 &idetape_chrdev_read_2097 -+audit_expand_2098 audit_expand 2-0 2098 NULL -+__set_print_fmt_2106 __set_print_fmt 0 2106 NULL -+iwl_dbgfs_log_event_read_2107 iwl_dbgfs_log_event_read 3-0 2107 NULL -+ecryptfs_encrypt_and_encode_filename_2109 ecryptfs_encrypt_and_encode_filename 6 2109 NULL -+isl1208_i2c_set_alarm_2113 isl1208_i2c_set_alarm 0 2113 NULL -+i8k_hwmon_show_pwm_2115 i8k_hwmon_show_pwm 0 2115 NULL nohasharray -+xfs_dir2_leafn_add_2115 xfs_dir2_leafn_add 0 2115 &i8k_hwmon_show_pwm_2115 -+btrfs_file_extent_inline_len_2116 btrfs_file_extent_inline_len 0 2116 NULL nohasharray -+store_temp_auto_base_2116 store_temp_auto_base 0-4 2116 &btrfs_file_extent_inline_len_2116 -+enable_read_2117 enable_read 3-0 2117 NULL nohasharray -+__find_xattr_2117 __find_xattr 6 2117 &enable_read_2117 -+nfs_file_fsync_commit_2119 nfs_file_fsync_commit 0 2119 NULL -+pcf50633_write_block_2124 pcf50633_write_block 2-3-0 2124 NULL -+snd_interval_refine_last_2127 snd_interval_refine_last 0 2127 NULL -+ad5398_disable_2128 ad5398_disable 0 2128 NULL -+ixgbe_get_eeprom_len_2130 ixgbe_get_eeprom_len 0 2130 NULL -+fill_input_pin_labels_2135 fill_input_pin_labels 0 2135 NULL -+show_therm_min_2140 show_therm_min 0 2140 NULL nohasharray -+target_stat_scsi_lu_attr_store_2140 target_stat_scsi_lu_attr_store 0 2140 &show_therm_min_2140 -+check_load_and_stores_2143 check_load_and_stores 2 2143 NULL -+mlx4_init_icm_table_2151 mlx4_init_icm_table 4-5 2151 NULL nohasharray -+multicast_query_response_interval_show_2151 multicast_query_response_interval_show 0 2151 &mlx4_init_icm_table_2151 -+iscsi_tpg_auth_store_userid_mutual_2152 iscsi_tpg_auth_store_userid_mutual 0-3 2152 NULL -+usb_udc_softconn_store_2153 usb_udc_softconn_store 0-4 2153 NULL -+__copy_to_user_ll_2157 __copy_to_user_ll 0 2157 NULL nohasharray -+_drbd_send_page_2157 _drbd_send_page 4 2157 &__copy_to_user_ll_2157 -+cluster_cluster_name_read_2160 cluster_cluster_name_read 0 2160 NULL -+dbg_check_inode_size_2165 dbg_check_inode_size 0 2165 NULL -+_ore_get_io_state_2166 _ore_get_io_state 5-4-3-0 2166 NULL -+rxrpc_preparse_s_2167 rxrpc_preparse_s 0 2167 NULL nohasharray -+rtsx_pci_transfer_data_2167 rtsx_pci_transfer_data 3 2167 &rxrpc_preparse_s_2167 -+show_fc_starget_node_name_2171 show_fc_starget_node_name 0 2171 NULL -+ore_read_2175 ore_read 0 2175 NULL -+intel_i2c_quirk_xfer_2183 intel_i2c_quirk_xfer 0-4 2183 NULL -+direction_output_2184 direction_output 0 2184 NULL -+ebt_nat_out_2185 ebt_nat_out 0 2185 NULL -+show_companion_2189 show_companion 0 2189 NULL -+target_core_alua_tg_pt_gp_store_attr_alua_support_active_nonoptimized_2190 target_core_alua_tg_pt_gp_store_attr_alua_support_active_nonoptimized 0-3 2190 NULL -+w1_f1C_fix_count_2191 w1_f1C_fix_count 0-2-1-3 2191 NULL -+bio_integrity_alloc_2194 bio_integrity_alloc 3 2194 NULL -+picolcd_debug_reset_write_2195 picolcd_debug_reset_write 3-0 2195 NULL -+wl1271_acx_init_mem_config_2199 wl1271_acx_init_mem_config 0 2199 NULL -+out_write_bytes_avail_show_2201 out_write_bytes_avail_show 0 2201 NULL -+ath10k_mac_txpower_recalc_2204 ath10k_mac_txpower_recalc 0 2204 NULL -+mcs_receive_start_2206 mcs_receive_start 0 2206 NULL -+ghash_final_2210 ghash_final 0 2210 NULL -+il_send_cmd_pdu_2216 il_send_cmd_pdu 0 2216 NULL -+ssb_bus_ssbbus_register_2217 ssb_bus_ssbbus_register 2 2217 NULL -+u32_array_read_2219 u32_array_read 3-0 2219 NULL nohasharray -+mei_dbgfs_read_meclients_2219 mei_dbgfs_read_meclients 3-0 2219 &u32_array_read_2219 nohasharray -+canon_copy_from_read_buf_2219 canon_copy_from_read_buf 0 2219 &mei_dbgfs_read_meclients_2219 -+fore200e_change_qos_2222 fore200e_change_qos 0 2222 NULL -+ceph_osdc_new_request_2226 ceph_osdc_new_request 7 2226 NULL -+iwl_wait_notification_2227 iwl_wait_notification 0 2227 NULL -+s5k4aa_set_brightness_2228 s5k4aa_set_brightness 0 2228 NULL -+rx8025_get_time_2231 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ocfs2_check_range_for_holes 0 5066 NULL -+__kmalloc_track_caller_5071 __kmalloc_track_caller 1 5071 NULL -+bonding_show_primary_5072 bonding_show_primary 0 5072 NULL -+sun4i_pwm_set_polarity_5079 sun4i_pwm_set_polarity 0 5079 NULL -+snd_mixart_BA1_read_5082 snd_mixart_BA1_read 5-0 5082 NULL -+get_fan_failure_5083 get_fan_failure 0 5083 NULL -+ssb_pci_read16_5084 ssb_pci_read16 0 5084 NULL -+hdmi_setup_stream_5087 hdmi_setup_stream 0 5087 NULL -+show_sas_rphy_device_type_5089 show_sas_rphy_device_type 0 5089 NULL -+get_random_bytes_5091 get_random_bytes 2 5091 NULL nohasharray -+kfifo_copy_from_user_5091 kfifo_copy_from_user 3-4 5091 &get_random_bytes_5091 -+set_pwm_auto_temp_5092 set_pwm_auto_temp 0-4 5092 NULL -+compr_fill_5093 compr_fill 2 5093 NULL -+zd_usb_enable_int_5095 zd_usb_enable_int 0 5095 NULL -+acpi_ex_create_alias_5097 acpi_ex_create_alias 0 5097 NULL nohasharray -+pppol2tp_setsockopt_5097 pppol2tp_setsockopt 0 5097 &acpi_ex_create_alias_5097 -+spectrum_cs_resume_5098 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-+ocfs2_inode_lock_full_nested_5148 ocfs2_inode_lock_full_nested 0 5148 NULL -+macb_get_regs_len_5149 macb_get_regs_len 0 5149 NULL -+quirks_show_5154 quirks_show 0 5154 NULL -+nfs4_wait_clnt_recover_5156 nfs4_wait_clnt_recover 0 5156 NULL -+o2net_recv_tcp_msg_5158 o2net_recv_tcp_msg 3 5158 NULL -+__uwb_addr_print_5161 __uwb_addr_print 2-0 5161 NULL -+get_auto_brightness_5169 get_auto_brightness 0 5169 NULL -+__az6007_write_5170 __az6007_write 0 5170 NULL -+iwl_dbgfs_status_read_5171 iwl_dbgfs_status_read 3-0 5171 NULL nohasharray -+o2hb_heartbeat_group_threshold_store_5171 o2hb_heartbeat_group_threshold_store 0-3 5171 &iwl_dbgfs_status_read_5171 -+acpi_pcc_get_sqty_5176 acpi_pcc_get_sqty 0 5176 NULL nohasharray -+target_stat_scsi_lu_show_attr_indx_5176 target_stat_scsi_lu_show_attr_indx 0 5176 &acpi_pcc_get_sqty_5176 -+datablob_parse_5177 datablob_parse 0 5177 NULL -+generate_smb3signingkey_5182 generate_smb3signingkey 0 5182 NULL -+sfi_map_memory_5183 sfi_map_memory 1-2 5183 NULL 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5218 &get_ep_param_5218 nohasharray -+target_fabric_tpg_auth_attr_show_5218 target_fabric_tpg_auth_attr_show 0 5218 &saa6752hs_init_5218 -+bpq_set_mac_address_5223 bpq_set_mac_address 0 5223 NULL -+ath6kl_debug_roam_tbl_event_5224 ath6kl_debug_roam_tbl_event 3 5224 NULL nohasharray -+reserve_mem_notifier_5224 reserve_mem_notifier 0 5224 &ath6kl_debug_roam_tbl_event_5224 -+atl1e_open_5226 atl1e_open 0 5226 NULL -+ssb_ioremap_5228 ssb_ioremap 2 5228 NULL -+wait_for_response_5229 wait_for_response 0 5229 NULL -+da9052_bat_read_volt_5230 da9052_bat_read_volt 0 5230 NULL -+show_ata_dev_ering_5233 show_ata_dev_ering 0 5233 NULL -+iwl_power_update_mode_5235 iwl_power_update_mode 0 5235 NULL -+isdn_ppp_skb_push_5236 isdn_ppp_skb_push 2 5236 NULL nohasharray -+cpuset_cpu_active_5236 cpuset_cpu_active 0 5236 &isdn_ppp_skb_push_5236 -+show_iface_delayed_ack_en_5240 show_iface_delayed_ack_en 0 5240 NULL nohasharray -+uwb_dev_LQE_store_5240 uwb_dev_LQE_store 0-4 5240 &show_iface_delayed_ack_en_5240 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-+alloc_cache_blocks_with_hash_5285 alloc_cache_blocks_with_hash 2 5285 NULL -+__smsc95xx_write_reg_5295 __smsc95xx_write_reg 0 5295 NULL -+snd_seq_ioctl_get_queue_tempo_5296 snd_seq_ioctl_get_queue_tempo 0 5296 NULL -+qla2x00_optrom_fcode_version_show_5297 qla2x00_optrom_fcode_version_show 0 5297 NULL -+lpfc_max_luns_show_5301 lpfc_max_luns_show 0 5301 NULL -+sco_sock_sendmsg_5302 sco_sock_sendmsg 3 5302 NULL -+metapage_readpage_5304 metapage_readpage 0 5304 NULL nohasharray -+alloc_dec_temp_buffers_5304 alloc_dec_temp_buffers 0 5304 &metapage_readpage_5304 nohasharray -+t4vf_write_rss_vi_config_5304 t4vf_write_rss_vi_config 0 5304 &alloc_dec_temp_buffers_5304 -+ks8842_open_5309 ks8842_open 0 5309 NULL -+_efx_mcdi_rpc_finish_5310 _efx_mcdi_rpc_finish 0 5310 NULL -+grow_inode_5311 grow_inode 0 5311 NULL -+r592_write_fifo_pio_5315 r592_write_fifo_pio 3 5315 NULL -+pep_sendmsg_5316 pep_sendmsg 3 5316 NULL -+sbc_get_write_same_sectors_5317 sbc_get_write_same_sectors 0 5317 NULL 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wm831x_rtc_setalarm 0 5447 NULL -+create_child_5449 create_child 0-4 5449 NULL -+add_host_show_5451 add_host_show 0 5451 NULL -+powerclamp_set_cur_state_5453 powerclamp_set_cur_state 0 5453 NULL -+qla4xxx_fw_state_show_5454 qla4xxx_fw_state_show 0 5454 NULL -+change_wakeup_protocol_5455 change_wakeup_protocol 0 5455 NULL -+cyapa_update_fw_store_5458 cyapa_update_fw_store 0-4 5458 NULL -+adm8211_add_interface_5459 adm8211_add_interface 0 5459 NULL nohasharray -+acpi_video_device_lcd_set_level_5459 acpi_video_device_lcd_set_level 0 5459 &adm8211_add_interface_5459 -+sfi_map_table_5462 sfi_map_table 1 5462 NULL -+xfs_efd_init_5463 xfs_efd_init 3 5463 NULL -+rt5677_gpio_direction_out_5468 rt5677_gpio_direction_out 0 5468 NULL nohasharray -+ll_xattr_cache_refill_5468 ll_xattr_cache_refill 0 5468 &rt5677_gpio_direction_out_5468 -+kernfs_fop_write_5471 kernfs_fop_write 3-0 5471 NULL nohasharray -+lm3530_led_enable_5471 lm3530_led_enable 0 5471 &kernfs_fop_write_5471 -+show_cpu_clock_5473 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NULL nohasharray -+gp2ap020a00f_buffer_postenable_8120 gp2ap020a00f_buffer_postenable 0 8120 &vsp1_video_queue_setup_8120 -+venus_lookup_8121 venus_lookup 4 8121 NULL -+start_recovery_write_8122 start_recovery_write 0-3 8122 NULL -+lm3533_als_set_threshold_8125 lm3533_als_set_threshold 0 8125 NULL -+snd_es1968_pcm_prepare_8126 snd_es1968_pcm_prepare 0 8126 NULL -+ieee80211_if_fmt_num_buffered_multicast_8127 ieee80211_if_fmt_num_buffered_multicast 3 8127 NULL -+acpi_ds_build_internal_object_8129 acpi_ds_build_internal_object 0 8129 NULL -+dlm_user_request_8131 dlm_user_request 0 8131 NULL nohasharray -+adp8860_bl_ambient_light_zone_store_8131 adp8860_bl_ambient_light_zone_store 0-4 8131 &dlm_user_request_8131 -+mcs_statistics_write_8132 mcs_statistics_write 0-3 8132 NULL -+next_signal_8135 next_signal 0 8135 NULL -+mt9m111_set_blue_balance_8136 mt9m111_set_blue_balance 0 8136 NULL -+mxt_check_bootloader_8143 mxt_check_bootloader 0 8143 NULL -+iwl_mvm_up_8144 iwl_mvm_up 0 8144 NULL 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NULL -+qib_ctxt_info_8173 qib_ctxt_info 0 8173 NULL -+kxtj9_set_poll_8177 kxtj9_set_poll 0-4 8177 NULL -+dma_map_area_8178 dma_map_area 3-2-5 8178 NULL -+ore_truncate_8181 ore_truncate 0 8181 NULL nohasharray -+mlx4_en_activate_tx_ring_8181 mlx4_en_activate_tx_ring 0 8181 &ore_truncate_8181 -+show_iface_max_burst_len_8182 show_iface_max_burst_len 0 8182 NULL -+hci_sock_recvmsg_8184 hci_sock_recvmsg 3 8184 NULL -+lp3943_update_bits_8185 lp3943_update_bits 0 8185 NULL -+ieee80211_if_fmt_dot11MeshHoldingTimeout_8187 ieee80211_if_fmt_dot11MeshHoldingTimeout 3 8187 NULL -+write_classid_8189 write_classid 0 8189 NULL -+rx_frame_errors_show_8192 rx_frame_errors_show 0 8192 NULL -+bq2415x_sysfs_set_timer_8199 bq2415x_sysfs_set_timer 0-4 8199 NULL -+bt_sock_wait_ready_8201 bt_sock_wait_ready 0 8201 NULL -+class_osdblk_list_8202 class_osdblk_list 0 8202 NULL -+target_stat_scsi_tgt_dev_show_attr_indx_8203 target_stat_scsi_tgt_dev_show_attr_indx 0 8203 NULL nohasharray 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s2io_get_sset_count 0 8277 NULL -+rproc_recovery_write_8281 rproc_recovery_write 3-0 8281 NULL -+write_file_dummy_8282 write_file_dummy 0-3 8282 NULL nohasharray -+wlan_store_8282 wlan_store 4-0 8282 &write_file_dummy_8282 -+tcp_listen_for_all_8285 tcp_listen_for_all 0 8285 NULL -+mlx5_core_create_mkey_8290 mlx5_core_create_mkey 0 8290 NULL -+rtl92d_download_fw_8295 rtl92d_download_fw 0 8295 NULL -+hotkey_wakeup_reason_show_8301 hotkey_wakeup_reason_show 0 8301 NULL -+setsockopt_8304 setsockopt 0 8304 NULL -+target_stat_scsi_lu_show_attr_lu_name_8305 target_stat_scsi_lu_show_attr_lu_name 0 8305 NULL -+qib_decode_7220_err_8315 qib_decode_7220_err 3 8315 NULL -+uevent_store_8319 uevent_store 0-4 8319 NULL -+ipwireless_send_packet_8328 ipwireless_send_packet 4 8328 NULL -+niu_set_tcam_key_8334 niu_set_tcam_key 0 8334 NULL -+amd_xgbe_phy_set_an_8336 amd_xgbe_phy_set_an 0 8336 NULL -+ip6_make_skb_8338 ip6_make_skb 4-5 8338 NULL nohasharray -+vsock_stream_setsockopt_8338 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smk_write_change_rule 3-0 8411 NULL -+atkbd_show_set_8414 atkbd_show_set 0 8414 NULL -+show_rc6_ms_8417 show_rc6_ms 0 8417 NULL -+alua_activate_8420 alua_activate 0 8420 NULL -+patch_atihdmi_8421 patch_atihdmi 0 8421 NULL -+keyspan_open_8429 keyspan_open 0 8429 NULL -+roccat_common2_sysfs_read_8431 roccat_common2_sysfs_read 6-0 8431 NULL -+capability_set_8433 capability_set 0-4 8433 NULL -+snd_usb_ctl_msg_8436 snd_usb_ctl_msg 8-0 8436 NULL -+irq_create_mapping_8437 irq_create_mapping 0-2 8437 NULL nohasharray -+nfs_sync_inode_8437 nfs_sync_inode 0 8437 &irq_create_mapping_8437 -+sk_stream_wait_memory_8438 sk_stream_wait_memory 0 8438 NULL -+generic_bin_search_8440 generic_bin_search 0 8440 NULL -+get_b_bus_req_8443 get_b_bus_req 0 8443 NULL -+lp3971_dcdc_enable_8444 lp3971_dcdc_enable 0 8444 NULL -+sl_init_8447 sl_init 0 8447 NULL -+wacom_btnimg7_store_8448 wacom_btnimg7_store 0-4 8448 NULL -+hugetlb_vmtruncate_8449 hugetlb_vmtruncate 0 8449 NULL -+l2cap_chan_connect_8450 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panel_power_on_show 0 8542 NULL nohasharray -+disarm_req_delay_8542 disarm_req_delay 0 8542 &panel_power_on_show_8542 -+asix_write_gpio_8552 asix_write_gpio 0 8552 NULL -+ax88172a_reset_8555 ax88172a_reset 0 8555 NULL -+profile_remove_8556 profile_remove 3-0 8556 NULL nohasharray -+show_pwm_interpolate_8556 show_pwm_interpolate 0 8556 &profile_remove_8556 nohasharray -+mask_and_set_register_interruptible_8556 mask_and_set_register_interruptible 0 8556 &show_pwm_interpolate_8556 -+tm6000_radio_s_ctrl_8559 tm6000_radio_s_ctrl 0 8559 NULL -+btrfs_submit_bio_hook_8560 btrfs_submit_bio_hook 0 8560 NULL nohasharray -+write_8560 write 0 8560 &btrfs_submit_bio_hook_8560 -+ixgb_open_8565 ixgb_open 0 8565 NULL -+set_volume_8569 set_volume 0 8569 NULL -+cache_slow_downcall_8570 cache_slow_downcall 2-0 8570 NULL -+mga_ioremap_8571 mga_ioremap 1-2 8571 NULL -+isr_dma0_done_read_8574 isr_dma0_done_read 3-0 8574 NULL nohasharray -+store_engine3_load_8574 store_engine3_load 0-4 8574 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crypto_sha512_finup 0 10555 NULL -+pm_qos_no_power_off_show_10556 pm_qos_no_power_off_show 0 10556 NULL -+ivtv_start_10559 ivtv_start 0 10559 NULL -+ipr_read_dump_10560 ipr_read_dump 0-5-6 10560 NULL -+dix_show_10568 dix_show 0 10568 NULL -+smb2_wait_mtu_credits_10573 smb2_wait_mtu_credits 0 10573 NULL -+ext4_write_begin_10576 ext4_write_begin 3-4-0 10576 NULL nohasharray -+lkfirst_show_10576 lkfirst_show 0 10576 &ext4_write_begin_10576 -+swsusp_write_10582 swsusp_write 0 10582 NULL -+read_usb_charge_10584 read_usb_charge 0 10584 NULL nohasharray -+set_cmci_disabled_10584 set_cmci_disabled 0-4 10584 &read_usb_charge_10584 -+selinux_inode_getxattr_10587 selinux_inode_getxattr 0 10587 NULL -+scrub_remap_extent_10588 scrub_remap_extent 2 10588 NULL nohasharray -+ds1685_rtc_sysfs_auxbatt_show_10588 ds1685_rtc_sysfs_auxbatt_show 0 10588 &scrub_remap_extent_10588 -+validate_buf_10589 validate_buf 0 10589 NULL -+set_in_max1_10590 set_in_max1 0-4 10590 NULL -+otp_read_10594 otp_read 5-4-2 10594 NULL -+alloc_sdma_10596 alloc_sdma 0 10596 NULL -+acpi_ds_create_bank_field_10598 acpi_ds_create_bank_field 0 10598 NULL -+em28xx_i2c_send_bytes_10601 em28xx_i2c_send_bytes 0-4 10601 NULL -+supply_map_read_file_10608 supply_map_read_file 3-0 10608 NULL -+nvkm_xtensa_create__10615 nvkm_xtensa_create_ 8 10615 NULL -+usb_8dev_cmd_open_10617 usb_8dev_cmd_open 0 10617 NULL nohasharray -+vxge_hw_vpath_mac_addr_add_10617 vxge_hw_vpath_mac_addr_add 0 10617 &usb_8dev_cmd_open_10617 -+ima_show_htable_violations_10619 ima_show_htable_violations 3-0 10619 NULL nohasharray -+migratepage_10619 migratepage 0 10619 &ima_show_htable_violations_10619 -+cxgb3_get_cpl_reply_skb_10620 cxgb3_get_cpl_reply_skb 2 10620 NULL -+de_refill_rx_10626 de_refill_rx 0 10626 NULL -+set_attr_mode_lsb_10628 set_attr_mode_lsb 0-4 10628 NULL -+alloc_coherent_10632 alloc_coherent 2 10632 NULL nohasharray -+cap_mask_show_10632 cap_mask_show 0 10632 &alloc_coherent_10632 nohasharray -+il4965_send_tx_power_10632 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b43_pio_init 0 10675 NULL -+ath9k_hw_process_ini_10682 ath9k_hw_process_ini 0 10682 NULL -+sdram_offsets_show_10683 sdram_offsets_show 0 10683 NULL -+aat2870_ldo_disable_10686 aat2870_ldo_disable 0 10686 NULL -+read_10690 read 0 10690 NULL -+edge_write_10692 edge_write 4-0 10692 NULL -+iap_get_mode_10694 iap_get_mode 0 10694 NULL -+__cached_dev_store_10695 __cached_dev_store 0-4 10695 NULL -+create_endpoint_and_queue_bulk_10698 create_endpoint_and_queue_bulk 0 10698 NULL -+ubi_wl_get_peb_10699 ubi_wl_get_peb 0 10699 NULL -+floppy_cmos_show_10701 floppy_cmos_show 0 10701 NULL -+selinux_inode_setxattr_10708 selinux_inode_setxattr 4-0 10708 NULL -+qla82xx_reset_chip_10709 qla82xx_reset_chip 0 10709 NULL -+bnad_mac_addr_set_locked_10710 bnad_mac_addr_set_locked 0 10710 NULL -+ovl_fill_lower_10712 ovl_fill_lower 3 10712 NULL -+rtl92cu_hw_init_10718 rtl92cu_hw_init 0 10718 NULL -+pvr2_ioread_read_10720 pvr2_ioread_read 3-0 10720 NULL nohasharray -+shash_async_setkey_10720 shash_async_setkey 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NULL -+send_command_10832 send_command 4-0 10832 NULL nohasharray -+pwm_enable_store_10832 pwm_enable_store 0-4 10832 &send_command_10832 -+lbs_sleepparams_read_10840 lbs_sleepparams_read 3-0 10840 NULL -+ext4_direct_IO_10843 ext4_direct_IO 4-0 10843 NULL -+simple_playback_build_controls_10847 simple_playback_build_controls 0 10847 NULL -+show_therm_input_10848 show_therm_input 0 10848 NULL -+xfs_bmbt_free_block_10850 xfs_bmbt_free_block 0 10850 NULL -+ida_get_new_above_10853 ida_get_new_above 0-2 10853 NULL -+fuse_conn_max_background_read_10855 fuse_conn_max_background_read 3-0 10855 NULL -+snd_card_asihpi_playback_ioctl_10857 snd_card_asihpi_playback_ioctl 0 10857 NULL -+usnic_ib_show_qp_per_vf_10858 usnic_ib_show_qp_per_vf 0 10858 NULL -+read_edid_block_10860 read_edid_block 4 10860 NULL -+btrfs_permission_10861 btrfs_permission 0 10861 NULL -+ol_chunk_blocks_10864 ol_chunk_blocks 0 10864 NULL -+trivial_online_10866 trivial_online 0 10866 NULL -+xenfb_set_par_10871 xenfb_set_par 0 10871 NULL -+snd_pcm_oss_write1_10872 snd_pcm_oss_write1 3-0 10872 NULL -+ov7670_s_sat_hue_10873 ov7670_s_sat_hue 0 10873 NULL nohasharray -+tw2804_s_ctrl_10873 tw2804_s_ctrl 0 10873 &ov7670_s_sat_hue_10873 -+u1_timeout_store_10874 u1_timeout_store 0-4 10874 NULL -+rtl2832_sdr_wr_reg_mask_10875 rtl2832_sdr_wr_reg_mask 0 10875 NULL -+mid_get_vbt_data_r0_10876 mid_get_vbt_data_r0 2 10876 NULL nohasharray -+ims_pcu_ofn_reg_addr_store_10876 ims_pcu_ofn_reg_addr_store 0-4 10876 &mid_get_vbt_data_r0_10876 -+queue_working_time_show_10877 queue_working_time_show 0 10877 NULL -+wiidebug_drm_write_10879 wiidebug_drm_write 3-0 10879 NULL -+sha1_mb_final_10881 sha1_mb_final 0 10881 NULL -+jffs2_read_inode_range_10882 jffs2_read_inode_range 0 10882 NULL -+adt7411_show_temp_10883 adt7411_show_temp 0 10883 NULL -+qla2x00_sysfs_read_vpd_10893 qla2x00_sysfs_read_vpd 6-0-5 10893 NULL -+__ipath_get_user_pages_10896 __ipath_get_user_pages 0 10896 NULL -+get_scq_10897 get_scq 2 10897 NULL 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enic_open 0 11015 NULL -+read_11017 read 0 11017 NULL -+qla4xxx_init_firmware_11018 qla4xxx_init_firmware 0 11018 NULL -+SetLineNumber_11023 SetLineNumber 0 11023 NULL -+crc32_pclmul_setkey_11032 crc32_pclmul_setkey 0 11032 NULL nohasharray -+read_11032 read 0 11032 &crc32_pclmul_setkey_11032 -+mb_find_next_bit_11037 mb_find_next_bit 0-2 11037 NULL nohasharray -+ixgbe_disable_sriov_11037 ixgbe_disable_sriov 0 11037 &mb_find_next_bit_11037 -+shmem_listxattr_11040 shmem_listxattr 0-3 11040 NULL -+mask_and_set_register_11042 mask_and_set_register 0 11042 NULL -+sys_sendfile_11048 sys_sendfile 4 11048 NULL nohasharray -+rawsock_recvmsg_11048 rawsock_recvmsg 3 11048 &sys_sendfile_11048 -+tda10048_writeregbulk_11050 tda10048_writeregbulk 4 11050 NULL -+char2uni_11054 char2uni 0 11054 NULL -+srpt_tpg_attrib_store_srp_sq_size_11059 srpt_tpg_attrib_store_srp_sq_size 0-3 11059 NULL -+alc260_parse_auto_config_11061 alc260_parse_auto_config 0 11061 NULL -+qlcnic_83xx_calculate_msix_vector_11063 qlcnic_83xx_calculate_msix_vector 0 11063 NULL -+__sysv_write_inode_11069 __sysv_write_inode 0 11069 NULL -+bond_enslave_11070 bond_enslave 0 11070 NULL -+lpt_gc_lnum_11073 lpt_gc_lnum 0 11073 NULL -+bond_get_size_11077 bond_get_size 0 11077 NULL -+tcp_send_mss_11079 tcp_send_mss 0 11079 NULL -+count_argc_11083 count_argc 0 11083 NULL -+gt_min_freq_mhz_show_11084 gt_min_freq_mhz_show 0 11084 NULL -+sda_in_11093 sda_in 0 11093 NULL -+ds2781_write_user_eeprom_bin_11094 ds2781_write_user_eeprom_bin 6-5-0 11094 NULL nohasharray -+wlcore_fw_wakeup_11094 wlcore_fw_wakeup 0 11094 &ds2781_write_user_eeprom_bin_11094 -+hash_sendmsg_11095 hash_sendmsg 0-4 11095 NULL -+aio_read_11102 aio_read 0 11102 NULL -+show_cmd_sg_entries_11103 show_cmd_sg_entries 0 11103 NULL -+avc_stream_set_format_11105 avc_stream_set_format 5 11105 NULL -+kvm_write_guest_cached_11106 kvm_write_guest_cached 4 11106 NULL -+v_midi_open_11109 v_midi_open 0 11109 NULL -+wl18xx_top_reg_read_11114 wl18xx_top_reg_read 0 11114 NULL -+pinctrl_get_device_gpio_range_11118 pinctrl_get_device_gpio_range 0 11118 NULL -+tc90522_master_xfer_11119 tc90522_master_xfer 3-0 11119 NULL -+logi_dj_raw_event_11123 logi_dj_raw_event 4 11123 NULL -+tracing_buffers_read_11124 tracing_buffers_read 3 11124 NULL -+lpfc_cr_delay_store_11125 lpfc_cr_delay_store 0-4 11125 NULL -+alloc_alien_cache_11127 alloc_alien_cache 2 11127 NULL -+store_frontswap_inertia_11129 store_frontswap_inertia 0-4 11129 NULL -+dlfb_realloc_framebuffer_11133 dlfb_realloc_framebuffer 0 11133 NULL -+ip6table_nat_local_fn_11142 ip6table_nat_local_fn 0 11142 NULL -+vv6410_set_hflip_11144 vv6410_set_hflip 0 11144 NULL nohasharray -+pcnet32_get_regs_len_11144 pcnet32_get_regs_len 0 11144 &vv6410_set_hflip_11144 -+temp_northbridge_11147 temp_northbridge 0 11147 NULL -+process_ini_11152 process_ini 0 11152 NULL -+ds2780_set_rsgain_register_11153 ds2780_set_rsgain_register 0 11153 NULL -+acpi_os_map_memory_11161 acpi_os_map_memory 1-2 11161 NULL nohasharray -+__uncore_cmask5_show_11161 __uncore_cmask5_show 0 11161 &acpi_os_map_memory_11161 -+target_core_alua_tg_pt_gp_show_attr_alua_access_status_11170 target_core_alua_tg_pt_gp_show_attr_alua_access_status 0 11170 NULL -+ioat2_alloc_ring_11172 ioat2_alloc_ring 2 11172 NULL -+acpi_ec_read_io_11175 acpi_ec_read_io 0-3 11175 NULL -+dlm_user_unlock_11178 dlm_user_unlock 0 11178 NULL -+blkdev_write_end_11180 blkdev_write_end 5-0 11180 NULL -+hfs_statfs_11183 hfs_statfs 0 11183 NULL -+show_local_temp8_11187 show_local_temp8 0 11187 NULL -+store_lanerev_enb_11190 store_lanerev_enb 0-4 11190 NULL -+tomoyo_unix_entry_11195 tomoyo_unix_entry 0 11195 NULL -+rtl2832_sdr_wr_regs_11197 rtl2832_sdr_wr_regs 0 11197 NULL -+fnic_show_drv_version_11198 fnic_show_drv_version 0 11198 NULL -+snd_emu10k1x_pcm_prepare_11205 snd_emu10k1x_pcm_prepare 0 11205 NULL -+qlcnic_get_port_stats_11206 qlcnic_get_port_stats 0 11206 NULL -+solo_start_thread_11207 solo_start_thread 0 11207 NULL -+fb_set_var_11211 fb_set_var 0 11211 NULL -+dma_mapping_error_11213 dma_mapping_error 0-2 11213 NULL -+set_pwm1_11215 set_pwm1 0-4 11215 NULL -+test_walk_11216 test_walk 0 11216 NULL -+sq_overhead_11218 sq_overhead 0 11218 NULL -+zd_submit_waiting_urb_11219 zd_submit_waiting_urb 0 11219 NULL -+__swab16p_11220 __swab16p 0 11220 NULL -+il_dbgfs_rx_queue_read_11221 il_dbgfs_rx_queue_read 3-0 11221 NULL -+snd_es1938_playback2_trigger_11224 snd_es1938_playback2_trigger 0 11224 NULL -+top_off_timer_show_11232 top_off_timer_show 0 11232 NULL nohasharray -+tda18218_wr_reg_11232 tda18218_wr_reg 0 11232 &top_off_timer_show_11232 -+xiic_bus_busy_11233 xiic_bus_busy 0 11233 NULL nohasharray -+vid_out_start_streaming_11233 vid_out_start_streaming 0 11233 &xiic_bus_busy_11233 -+comedi_alloc_spriv_11234 comedi_alloc_spriv 2 11234 NULL -+xfs_bmap_last_before_11237 xfs_bmap_last_before 0 11237 NULL -+__hci_unconf_init_11239 __hci_unconf_init 0 11239 NULL nohasharray -+__add_zone_11239 __add_zone 0 11239 &__hci_unconf_init_11239 -+il3945_show_tx_power_11240 il3945_show_tx_power 0 11240 NULL nohasharray -+show_nservers_11240 show_nservers 0 11240 &il3945_show_tx_power_11240 -+call_usermodehelper_11245 call_usermodehelper 0 11245 NULL -+of_irq_count_11253 of_irq_count 0 11253 NULL -+store_refalign_11257 store_refalign 0-4 11257 NULL -+ubifs_write_node_11258 ubifs_write_node 5-3-0 11258 NULL -+ath5k_attr_show_noise_immunity_level_11266 ath5k_attr_show_noise_immunity_level 0 11266 NULL nohasharray -+srpt_wwn_show_attr_version_11266 srpt_wwn_show_attr_version 0 11266 &ath5k_attr_show_noise_immunity_level_11266 -+hugetlbfs_read_11268 hugetlbfs_read 3-0 11268 NULL -+ec_bhf_alloc_dma_mem_11271 ec_bhf_alloc_dma_mem 0 11271 NULL -+cru_detect_11272 cru_detect 1 11272 NULL -+ath6kl_power_params_write_11274 ath6kl_power_params_write 3-0 11274 NULL -+qnx6_readpage_11279 qnx6_readpage 0 11279 NULL -+SYSC_getrandom_11294 SYSC_getrandom 2 11294 NULL -+reg_write_11295 reg_write 0 11295 NULL -+mptscsih_debug_level_store_11299 mptscsih_debug_level_store 0-4 11299 NULL -+ssb_pcmcia_cor_setup_11300 ssb_pcmcia_cor_setup 0 11300 NULL -+vhci_urb_enqueue_11304 vhci_urb_enqueue 0 11304 NULL nohasharray -+show_mtu_11304 show_mtu 0 11304 &vhci_urb_enqueue_11304 -+__proc_daemon_file_11305 __proc_daemon_file 5 11305 NULL -+rtl2832_sdr_alloc_urbs_11306 rtl2832_sdr_alloc_urbs 0 11306 NULL -+cma_clear_bitmap_11308 cma_clear_bitmap 3 11308 NULL -+tcp_send_rcvq_11316 tcp_send_rcvq 3-0 11316 NULL -+vidioc_qbuf_11319 vidioc_qbuf 0 11319 NULL -+kovaplus_sysfs_read_profilex_settings_11320 kovaplus_sysfs_read_profilex_settings 0-5-6 11320 NULL nohasharray -+iscsi_stat_tgt_attr_attr_show_11320 iscsi_stat_tgt_attr_attr_show 0 11320 &kovaplus_sysfs_read_profilex_settings_11320 -+tiadc_buffer_postdisable_11321 tiadc_buffer_postdisable 0 11321 NULL -+iwl_dbgfs_ss_force_read_11323 iwl_dbgfs_ss_force_read 3-0 11323 NULL -+shmem_radix_tree_replace_11325 shmem_radix_tree_replace 0 11325 NULL -+construct_key_11329 construct_key 3 11329 NULL nohasharray -+__kfifo_out_peek_11329 __kfifo_out_peek 0-3 11329 &construct_key_11329 -+cfctrl_linkup_request_11331 cfctrl_linkup_request 0 11331 NULL -+usb_store_new_id_11334 usb_store_new_id 0-5 11334 NULL -+seq_copy_in_user_11336 seq_copy_in_user 3 11336 NULL nohasharray -+patch_nvhdmi_8ch_7x_11336 patch_nvhdmi_8ch_7x 0 11336 &seq_copy_in_user_11336 -+ufx_enable_11338 ufx_enable 0 11338 NULL -+dev_uc_add_11343 dev_uc_add 0 11343 NULL -+setup_cpu_watcher_11344 setup_cpu_watcher 0 11344 NULL -+ext4_get_inline_size_11349 ext4_get_inline_size 0 11349 NULL -+mt9m001_s_stream_11350 mt9m001_s_stream 0 11350 NULL -+kmx61_mag_validate_trigger_11352 kmx61_mag_validate_trigger 0 11352 NULL -+sel_write_create_11353 sel_write_create 3 11353 NULL -+show_in1_input_11354 show_in1_input 0 11354 NULL -+handle_unit_11355 handle_unit 0-1 11355 NULL -+batadv_skb_head_push_11360 batadv_skb_head_push 2 11360 NULL nohasharray -+create_input_ctls_11360 create_input_ctls 0 11360 &batadv_skb_head_push_11360 -+of_get_available_child_count_11361 of_get_available_child_count 0 11361 NULL -+drm_vblank_init_11362 drm_vblank_init 2 11362 NULL nohasharray -+thread_siblings_list_show_11362 thread_siblings_list_show 0 11362 &drm_vblank_init_11362 -+nilfs_superblock_sb_write_time_secs_show_11367 nilfs_superblock_sb_write_time_secs_show 0 11367 NULL nohasharray -+lp3943_pwm_set_mode_11367 lp3943_pwm_set_mode 0 11367 &nilfs_superblock_sb_write_time_secs_show_11367 -+qib_get_base_info_11369 qib_get_base_info 3-0 11369 NULL -+saa6752hs_g_mbus_fmt_11370 saa6752hs_g_mbus_fmt 0 11370 NULL -+thermal_cooling_device_cur_state_show_11373 thermal_cooling_device_cur_state_show 0 11373 NULL -+xfs_bmap_add_attrfork_btree_11375 xfs_bmap_add_attrfork_btree 0 11375 NULL -+lpfc_poll_tmo_show_11377 lpfc_poll_tmo_show 0 11377 NULL -+__spi_queued_transfer_11379 __spi_queued_transfer 0 11379 NULL -+rtl2832_sdr_alloc_stream_bufs_11380 rtl2832_sdr_alloc_stream_bufs 0 11380 NULL -+tcf_register_action_11381 tcf_register_action 2 11381 NULL -+ext_prop_type_store_11385 ext_prop_type_store 0-3 11385 NULL -+po1030_set_gain_11386 po1030_set_gain 0 11386 NULL nohasharray -+tboot_cpu_callback_11386 tboot_cpu_callback 0 11386 &po1030_set_gain_11386 -+merge_across_nodes_store_11387 merge_across_nodes_store 0-4 11387 NULL -+af9035_rd_regs_11391 af9035_rd_regs 0 11391 NULL nohasharray -+gfs2_quota_refresh_11391 gfs2_quota_refresh 0 11391 &af9035_rd_regs_11391 -+isku_sysfs_read_keys_capslock_11392 isku_sysfs_read_keys_capslock 6-0-5 11392 NULL -+qib_write_11394 qib_write 0-3 11394 NULL -+niu_reset_tx_xmac_11397 niu_reset_tx_xmac 0 11397 NULL -+dev_irnet_write_11398 dev_irnet_write 3-0 11398 NULL nohasharray -+store_selfballoon_interval_11398 store_selfballoon_interval 0-4 11398 &dev_irnet_write_11398 -+cw1200_add_interface_11399 cw1200_add_interface 0 11399 NULL nohasharray -+tse_change_mtu_11399 tse_change_mtu 0 11399 &cw1200_add_interface_11399 -+get_fan_11400 get_fan 0 11400 NULL -+ip_mc_add1_src_11402 ip_mc_add1_src 0 11402 NULL nohasharray -+lprocfs_wr_evict_client_11402 lprocfs_wr_evict_client 3 11402 &ip_mc_add1_src_11402 -+attention_read_file_11404 attention_read_file 0 11404 NULL -+bnx2x_config_rss_eth_11407 bnx2x_config_rss_eth 0 11407 NULL -+___alloc_bootmem_11410 ___alloc_bootmem 1 11410 NULL -+str_to_user_11411 str_to_user 2 11411 NULL -+show_blue_11412 show_blue 0 11412 NULL nohasharray -+matroxfb_dh_check_var_11412 matroxfb_dh_check_var 0 11412 &show_blue_11412 -+mem_fw_gen_free_mem_blks_read_11413 mem_fw_gen_free_mem_blks_read 3-0 11413 NULL -+ath6kl_wmi_test_rx_11414 ath6kl_wmi_test_rx 3 11414 NULL -+iscsi_tpg_param_show_HeaderDigest_11416 iscsi_tpg_param_show_HeaderDigest 0 11416 NULL -+adis16480_show_firmware_revision_11417 adis16480_show_firmware_revision 3-0 11417 NULL nohasharray -+xfs_btree_lookup_11417 xfs_btree_lookup 0 11417 &adis16480_show_firmware_revision_11417 -+tx_carrier_errors_show_11418 tx_carrier_errors_show 0 11418 NULL -+mlx4_create_zones_11419 mlx4_create_zones 4-3-5-6 11419 NULL nohasharray -+trace_options_read_11419 trace_options_read 3 11419 &mlx4_create_zones_11419 -+i40e_dbg_command_write_11421 i40e_dbg_command_write 3-0 11421 NULL nohasharray -+nlmsg_perm_11421 nlmsg_perm 0 11421 &i40e_dbg_command_write_11421 -+pccard_show_vcc_11422 pccard_show_vcc 0 11422 NULL -+attr_show_11424 attr_show 0 11424 NULL -+vring_size_11426 vring_size 0-2-1 11426 NULL -+ecryptfs_writepage_11427 ecryptfs_writepage 0 11427 NULL nohasharray -+iwl_mvm_power_send_cmd_11427 iwl_mvm_power_send_cmd 0 11427 &ecryptfs_writepage_11427 -+ext3_xattr_block_list_11428 ext3_xattr_block_list 0 11428 NULL -+ovl_want_write_11429 ovl_want_write 0 11429 NULL -+bttv_read_11432 bttv_read 3-0 11432 NULL -+adt7310_spi_write_byte_11434 adt7310_spi_write_byte 0 11434 NULL -+iommu_group_show_name_11438 iommu_group_show_name 0 11438 NULL -+wait_on_bit_lock_action_11447 wait_on_bit_lock_action 0 11447 NULL -+ov2640_g_crop_11448 ov2640_g_crop 0 11448 NULL -+sock_has_perm_11452 sock_has_perm 0 11452 NULL -+create_zero_mask_11453 create_zero_mask 0-1 11453 NULL nohasharray -+store_spi_transport_period_11453 store_spi_transport_period 4-0 11453 &create_zero_mask_11453 -+trigger_test_error_11455 trigger_test_error 0-4 11455 NULL -+adp8860_bl_l2_office_max_store_11458 adp8860_bl_l2_office_max_store 4-0 11458 NULL -+event_file_write_11460 event_file_write 0-3 11460 NULL -+acpi_ex_resolve_to_value_11466 acpi_ex_resolve_to_value 0 11466 NULL -+hidp_sock_create_11468 hidp_sock_create 0 11468 NULL -+ocfs2_file_write_iter_11469 ocfs2_file_write_iter 0 11469 NULL -+mv88e6352_phy_wait_11471 mv88e6352_phy_wait 0 11471 NULL -+st_sensors_write_data_with_mask_11476 st_sensors_write_data_with_mask 0 11476 NULL -+icmpv6_packet_11477 icmpv6_packet 0 11477 NULL -+drv_set_lbt_mode_11478 drv_set_lbt_mode 0 11478 NULL -+pci_set_power_state_11479 pci_set_power_state 0 11479 NULL nohasharray -+sca3000_read_first_n_hw_rb_11479 sca3000_read_first_n_hw_rb 2 11479 &pci_set_power_state_11479 -+set_otp5_11480 set_otp5 4-0 11480 NULL -+thermal_get_trip_type_11486 thermal_get_trip_type 0 11486 NULL -+lpfc_sriov_nr_virtfn_store_11490 lpfc_sriov_nr_virtfn_store 0-4 11490 NULL -+ti_command_out_sync_11491 ti_command_out_sync 0 11491 NULL -+pvr2_v4l2_iosetup_11493 pvr2_v4l2_iosetup 0 11493 NULL -+ads7871_show_name_11494 ads7871_show_name 0 11494 NULL -+vp_try_to_find_vqs_11502 vp_try_to_find_vqs 2 11502 NULL -+skb_copy_datagram_msg_11505 skb_copy_datagram_msg 2-4-0 11505 NULL -+sd_do_mode_sense_11507 sd_do_mode_sense 5 11507 NULL -+s3fb_set_par_11509 s3fb_set_par 0 11509 NULL -+kmem_zalloc_11510 kmem_zalloc 1 11510 NULL -+atkbd_do_set_scroll_11516 atkbd_do_set_scroll 0-4 11516 NULL -+dvb_net_set_mac_11517 dvb_net_set_mac 0 11517 NULL -+c2port_show_name_11518 c2port_show_name 0 11518 NULL nohasharray -+ll_direct_IO_26_seg_11518 ll_direct_IO_26_seg 0 11518 &c2port_show_name_11518 -+__dwc3_gadget_ep_enable_11523 __dwc3_gadget_ep_enable 0 11523 NULL -+twl_direction_in_11527 twl_direction_in 2-0 11527 NULL -+usb_pcwd_temperature_read_11539 usb_pcwd_temperature_read 0-3 11539 NULL -+__uncore_event_ext_show_11540 __uncore_event_ext_show 0 11540 NULL -+hif_usb_send_mgmt_11542 hif_usb_send_mgmt 0 11542 NULL -+batadv_tt_init_11545 batadv_tt_init 0 11545 NULL -+mmc_fwrev_show_11546 mmc_fwrev_show 0 11546 NULL -+vendor_id_show_11549 vendor_id_show 0 11549 NULL -+show_vpd_pg83_11553 show_vpd_pg83 6-0-5 11553 NULL nohasharray -+xfs_rtcheck_alloc_range_11553 xfs_rtcheck_alloc_range 0 11553 &show_vpd_pg83_11553 -+radix_tree_extend_11555 radix_tree_extend 0 11555 NULL -+show_gpio_mask_11556 show_gpio_mask 0 11556 NULL -+fsp_attr_set_getreg_11558 fsp_attr_set_getreg 0-4 11558 NULL -+set_in5_min_11561 set_in5_min 0-4 11561 NULL -+skb_cow_data_11565 skb_cow_data 0-2 11565 NULL -+i2c_smbus_read_word_swapped_11566 i2c_smbus_read_word_swapped 0 11566 NULL nohasharray -+build_avpair_blob_11566 build_avpair_blob 0 11566 &i2c_smbus_read_word_swapped_11566 nohasharray -+smk_bu_note_11566 smk_bu_note 0-5 11566 &build_avpair_blob_11566 nohasharray -+set_fan_auto_channel_11566 set_fan_auto_channel 0-4 11566 &smk_bu_note_11566 -+atomic_notifier_call_chain_11567 atomic_notifier_call_chain 0 11567 NULL -+mlx4_init_cmpt_table_11569 mlx4_init_cmpt_table 3 11569 NULL -+CIFSSMBWrite2_11570 CIFSSMBWrite2 0 11570 NULL -+check_hotplug_memory_range_11575 check_hotplug_memory_range 0 11575 NULL -+lpfc_idiag_ctlacc_write_11576 lpfc_idiag_ctlacc_write 3-0 11576 NULL -+v9fs_xattr_get_acl_11577 v9fs_xattr_get_acl 0 11577 NULL nohasharray -+mxl111sf_write_reg_mask_11577 mxl111sf_write_reg_mask 0 11577 &v9fs_xattr_get_acl_11577 -+show_11578 show 0 11578 NULL -+oprofilefs_ulong_to_user_11582 oprofilefs_ulong_to_user 3-0 11582 NULL -+batadv_iv_ogm_orig_add_if_11586 batadv_iv_ogm_orig_add_if 2 11586 NULL -+pvc_bind_11588 pvc_bind 0 11588 NULL -+snd_pcm_action_11589 snd_pcm_action 0 11589 NULL -+zd1211_hw_reset_phy_11591 zd1211_hw_reset_phy 0 11591 NULL -+flash_strobe_store_11592 flash_strobe_store 0-4 11592 NULL -+wl128x_boot_clk_11594 wl128x_boot_clk 0 11594 NULL -+fw_device_op_ioctl_11595 fw_device_op_ioctl 2 11595 NULL -+heartbeat_panic_notifier_11596 heartbeat_panic_notifier 0 11596 NULL -+iscsi_iser_get_ep_param_11601 iscsi_iser_get_ep_param 0 11601 NULL -+hycapi_rx_capipkt_11602 hycapi_rx_capipkt 3 11602 NULL -+batadv_iv_ogm_orig_del_if_11604 batadv_iv_ogm_orig_del_if 2 11604 NULL nohasharray -+acpi_smbus_cmi_access_11604 acpi_smbus_cmi_access 0 11604 &batadv_iv_ogm_orig_del_if_11604 -+SYSC_mq_timedsend_11607 SYSC_mq_timedsend 3 11607 NULL -+iscsi_tpg_attrib_show_default_cmdsn_depth_11609 iscsi_tpg_attrib_show_default_cmdsn_depth 0 11609 NULL -+max_active_show_11610 max_active_show 0 11610 NULL -+hackrf_start_streaming_11617 hackrf_start_streaming 0 11617 NULL -+C_SYSC_migrate_pages_11618 C_SYSC_migrate_pages 2 11618 NULL -+show_caps_11619 show_caps 0 11619 NULL -+mb862xxfb_check_var_11620 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-+raid5_show_preread_threshold_15892 raid5_show_preread_threshold 0 15892 NULL -+sp_set_mac_address_15899 sp_set_mac_address 0 15899 NULL -+show_spi_transport_qas_15902 show_spi_transport_qas 0 15902 NULL nohasharray -+sctp_apply_peer_addr_params_15902 sctp_apply_peer_addr_params 0 15902 &show_spi_transport_qas_15902 -+host_control_action_store_15906 host_control_action_store 0-4 15906 NULL -+send_tx_power_15914 send_tx_power 0 15914 NULL -+can_get_xstats_size_15916 can_get_xstats_size 0 15916 NULL -+alc_build_controls_15918 alc_build_controls 0 15918 NULL -+unix_dgram_recvmsg_15920 unix_dgram_recvmsg 3 15920 NULL -+hid_hw_power_15921 hid_hw_power 0 15921 NULL -+bio_copy_kern_15925 bio_copy_kern 3 15925 NULL -+erst_exec_store_var1_15933 erst_exec_store_var1 0 15933 NULL -+wm5100_gpio_direction_in_15934 wm5100_gpio_direction_in 0 15934 NULL -+tda18218_wr_regs_15935 tda18218_wr_regs 0 15935 NULL -+power_read_15939 power_read 3-0 15939 NULL -+hfs_listxattr_15946 hfs_listxattr 0-3 15946 NULL nohasharray -+sirdev_open_15946 sirdev_open 0 15946 &hfs_listxattr_15946 -+lpfc_idiag_drbacc_read_15948 lpfc_idiag_drbacc_read 3-0 15948 NULL -+mwifiex_cmd_mac_control_15949 mwifiex_cmd_mac_control 0 15949 NULL -+snd_pcm_lib_read_transfer_15952 snd_pcm_lib_read_transfer 5 15952 NULL -+memblock_virt_alloc_try_nid_15954 memblock_virt_alloc_try_nid 1 15954 NULL -+i40e_get_phys_port_id_15955 i40e_get_phys_port_id 0 15955 NULL -+mxl5005s_set_params_15963 mxl5005s_set_params 0 15963 NULL -+b43_nphy_op_switch_channel_15964 b43_nphy_op_switch_channel 0 15964 NULL -+remap_pci_mem_15966 remap_pci_mem 1-2 15966 NULL nohasharray -+find_rsb_15966 find_rsb 0 15966 &remap_pci_mem_15966 -+rocker_netdevice_event_15969 rocker_netdevice_event 0 15969 NULL -+usb_autopm_get_interface_async_15970 usb_autopm_get_interface_async 0 15970 NULL nohasharray -+mls_read_range_helper_15970 mls_read_range_helper 0 15970 &usb_autopm_get_interface_async_15970 -+sht15_connection_reset_15973 sht15_connection_reset 0 15973 NULL -+smk_read_ptrace_15974 smk_read_ptrace 3-0 15974 NULL -+rx_queue_attr_show_15978 rx_queue_attr_show 0 15978 NULL -+frame_alloc_15981 frame_alloc 4-0 15981 NULL -+alloc_vm_area_15989 alloc_vm_area 1 15989 NULL -+stir_net_open_15991 stir_net_open 0 15991 NULL -+recv_pre_block_15995 recv_pre_block 0 15995 NULL -+rpm_check_suspend_allowed_15996 rpm_check_suspend_allowed 0 15996 NULL -+iwlagn_rxon_disconn_16003 iwlagn_rxon_disconn 0 16003 NULL -+period_store_16008 period_store 0-4 16008 NULL -+do_open_16009 do_open 0 16009 NULL -+hdpvr_register_videodev_16010 hdpvr_register_videodev 3 16010 NULL -+crypto_shash_export_16014 crypto_shash_export 0 16014 NULL -+viafb_vt1636_proc_write_16018 viafb_vt1636_proc_write 3-0 16018 NULL -+qlcnic_sysfs_read_esw_config_16022 qlcnic_sysfs_read_esw_config 0-6-5 16022 NULL -+mlx4_qp_reserve_range_16026 mlx4_qp_reserve_range 3-0 16026 NULL nohasharray -+wrmsr_safe_on_cpu_16026 wrmsr_safe_on_cpu 0 16026 &mlx4_qp_reserve_range_16026 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16068 NULL -+udf_extend_file_16069 udf_extend_file 0 16069 NULL -+file_has_perm_16070 file_has_perm 0 16070 NULL -+__iscsi_tpg_auth_show_authenticate_target_16071 __iscsi_tpg_auth_show_authenticate_target 0 16071 NULL -+atkbd_attr_show_helper_16073 atkbd_attr_show_helper 0 16073 NULL -+show_modinfo_srcversion_16077 show_modinfo_srcversion 0 16077 NULL -+ext4_bio_write_page_16078 ext4_bio_write_page 0 16078 NULL -+updateSuper_16079 updateSuper 0 16079 NULL -+mt2063_read_16080 mt2063_read 0 16080 NULL -+sctp_setsockopt_disable_fragments_16088 sctp_setsockopt_disable_fragments 0 16088 NULL -+wl1271_acx_tx_power_16092 wl1271_acx_tx_power 0 16092 NULL -+ps2pp_attr_set_smartscroll_16094 ps2pp_attr_set_smartscroll 0-4 16094 NULL -+cifs_mapchar_16097 cifs_mapchar 0 16097 NULL -+pb0100_set_gain_16099 pb0100_set_gain 0 16099 NULL -+_ctl_ioc_reset_count_show_16102 _ctl_ioc_reset_count_show 0 16102 NULL -+isr_tx_exch_complete_read_16103 isr_tx_exch_complete_read 3-0 16103 NULL nohasharray 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-+dn_getname_16122 dn_getname 0 16122 NULL -+gsmi_die_callback_16123 gsmi_die_callback 0 16123 NULL -+snmp_conntrack_help_16126 snmp_conntrack_help 0 16126 NULL -+sysv_statfs_16128 sysv_statfs 0 16128 NULL -+compat_sys_select_16131 compat_sys_select 1 16131 NULL -+fsm_init_16134 fsm_init 2 16134 NULL -+hysdn_rx_netpkt_16136 hysdn_rx_netpkt 3 16136 NULL -+bcm_iproc_i2c_xfer_single_msg_16143 bcm_iproc_i2c_xfer_single_msg 0 16143 NULL nohasharray -+sht21_update_measurements_16143 sht21_update_measurements 0 16143 &bcm_iproc_i2c_xfer_single_msg_16143 nohasharray -+cfq_fifo_expire_sync_store_16143 cfq_fifo_expire_sync_store 3-0 16143 &sht21_update_measurements_16143 -+input_register_device_16147 input_register_device 0 16147 NULL -+ext4_xattr_block_get_16148 ext4_xattr_block_get 0 16148 NULL nohasharray -+set_port1_16148 set_port1 0-4 16148 &ext4_xattr_block_get_16148 -+hidp_send_intr_message_16150 hidp_send_intr_message 4-0 16150 NULL -+lpfc_vportnum_show_16152 lpfc_vportnum_show 0 16152 NULL -+ext4_read_inline_data_16156 ext4_read_inline_data 0-3 16156 NULL -+mgmt_device_found_16159 mgmt_device_found 9-11 16159 NULL nohasharray -+queues_show_16159 queues_show 0 16159 &mgmt_device_found_16159 nohasharray -+usb2_lpm_besl_store_16159 usb2_lpm_besl_store 0-4 16159 &queues_show_16159 -+pn_header_create_16161 pn_header_create 0 16161 NULL nohasharray -+__hw_addr_create_ex_16161 __hw_addr_create_ex 0 16161 &pn_header_create_16161 -+osd_finalize_request_16163 osd_finalize_request 0 16163 NULL -+bnx2i_get_cid_num_16166 bnx2i_get_cid_num 0 16166 NULL -+nfcwilink_skb_alloc_16167 nfcwilink_skb_alloc 1 16167 NULL nohasharray -+sdev_show_timeout_16167 sdev_show_timeout 0 16167 &nfcwilink_skb_alloc_16167 -+iscsi_stat_tgt_attr_show_attr_login_fails_16172 iscsi_stat_tgt_attr_show_attr_login_fails 0 16172 NULL -+serial_write_room_16174 serial_write_room 0 16174 NULL nohasharray -+dst_output_sk_16174 dst_output_sk 0 16174 &serial_write_room_16174 -+show_beep_enable_16177 show_beep_enable 0 16177 NULL -+show_tcpCurrEstab_16188 show_tcpCurrEstab 0 16188 NULL -+megaraid_sysfs_show_ldnum_16189 megaraid_sysfs_show_ldnum 0 16189 NULL nohasharray -+ovl_dir_fsync_16189 ovl_dir_fsync 0 16189 &megaraid_sysfs_show_ldnum_16189 -+i40e_allocate_virt_mem_d_16191 i40e_allocate_virt_mem_d 3 16191 NULL nohasharray -+rcu_oom_notify_16191 rcu_oom_notify 0 16191 &i40e_allocate_virt_mem_d_16191 -+musb_vbus_show_16194 musb_vbus_show 0 16194 NULL -+cipso_v4_map_cat_rng_hton_16203 cipso_v4_map_cat_rng_hton 0 16203 NULL -+m5602_read_sensor_16209 m5602_read_sensor 0 16209 NULL -+bind_16210 bind 0 16210 NULL nohasharray -+SyS_pselect6_16210 SyS_pselect6 1 16210 &bind_16210 -+create_table_16213 create_table 2 16213 NULL -+patch_stac927x_16218 patch_stac927x 0 16218 NULL -+si476x_core_send_command_16219 si476x_core_send_command 4-6-0 16219 NULL nohasharray -+hdaps_calibrate_show_16219 hdaps_calibrate_show 0 16219 &si476x_core_send_command_16219 nohasharray 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16269 NULL -+snd_ali_trigger_16277 snd_ali_trigger 0 16277 NULL -+nand_bch_init_16280 nand_bch_init 3-2 16280 NULL -+ims_pcu_ofn_reg_addr_show_16282 ims_pcu_ofn_reg_addr_show 0 16282 NULL nohasharray -+iscsi_tpg_param_store_OFMarkInt_16282 iscsi_tpg_param_store_OFMarkInt 0-3 16282 &ims_pcu_ofn_reg_addr_show_16282 -+account_16283 account 0-4-2 16283 NULL nohasharray -+mirror_status_16283 mirror_status 5 16283 &account_16283 -+regcache_rbtree_insert_to_block_16285 regcache_rbtree_insert_to_block 3-4-0 16285 NULL nohasharray -+rfcomm_sock_getname_16285 rfcomm_sock_getname 0 16285 &regcache_rbtree_insert_to_block_16285 -+jumpshot_read_data_16287 jumpshot_read_data 4 16287 NULL nohasharray -+show_analog_out_reg_16287 show_analog_out_reg 0 16287 &jumpshot_read_data_16287 -+bh1770_power_state_store_16288 bh1770_power_state_store 0-4 16288 NULL -+snd_als4000_capture_trigger_16290 snd_als4000_capture_trigger 0 16290 NULL -+stk_allocate_buffers_16291 stk_allocate_buffers 2 16291 NULL -+sha1_ssse3_update_16293 sha1_ssse3_update 0 16293 NULL -+adis16136_set_freq_16295 adis16136_set_freq 0 16295 NULL -+snd_at73c213_pcm_trigger_16297 snd_at73c213_pcm_trigger 0 16297 NULL nohasharray -+SyS_send_16297 SyS_send 3 16297 &snd_at73c213_pcm_trigger_16297 -+pyra_sysfs_write_profile_buttons_16301 pyra_sysfs_write_profile_buttons 0-6-5 16301 NULL -+fore200e_setsockopt_16304 fore200e_setsockopt 0 16304 NULL -+ipr_show_resource_path_16307 ipr_show_resource_path 0 16307 NULL -+show_ipv4_iface_dhcp_use_vendor_id_en_16308 show_ipv4_iface_dhcp_use_vendor_id_en 0 16308 NULL -+ixgbe_setup_fcoe_ddp_resources_16311 ixgbe_setup_fcoe_ddp_resources 0 16311 NULL -+ds1511_nvram_write_16312 ds1511_nvram_write 0-6-5 16312 NULL -+bonding_show_arp_validate_16313 bonding_show_arp_validate 0 16313 NULL -+of_property_read_string_helper_16314 of_property_read_string_helper 0-5 16314 NULL -+ar5523_cmd_16318 ar5523_cmd 0 16318 NULL -+do_set_pwm_16320 do_set_pwm 0 16320 NULL -+snd_bt87x_prepare_16323 snd_bt87x_prepare 0 16323 NULL -+enable_periodic_16329 enable_periodic 0 16329 NULL -+vmw_cursor_update_image_16332 vmw_cursor_update_image 4-3 16332 NULL -+show_ipOutBcastPkts_16333 show_ipOutBcastPkts 0 16333 NULL -+acpi_power_get_list_state_16334 acpi_power_get_list_state 0 16334 NULL nohasharray -+show_conn_param_ISCSI_PARAM_HDRDGST_EN_16334 show_conn_param_ISCSI_PARAM_HDRDGST_EN 0 16334 &acpi_power_get_list_state_16334 -+iptable_nat_ipv4_local_fn_16340 iptable_nat_ipv4_local_fn 0 16340 NULL -+host_store_rescan_16343 host_store_rescan 0-4 16343 NULL -+rcar_thermal_get_trip_type_16349 rcar_thermal_get_trip_type 0 16349 NULL -+cx231xx_i2c_xfer_16353 cx231xx_i2c_xfer 0-3 16353 NULL -+crypto_pcomp_extsize_16357 crypto_pcomp_extsize 0 16357 NULL -+sysfs_create_groups_16360 sysfs_create_groups 0 16360 NULL nohasharray -+tps80031_update_16360 tps80031_update 0 16360 &sysfs_create_groups_16360 -+snd_cs46xx_capture_trigger_16362 snd_cs46xx_capture_trigger 0 16362 NULL 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l2cap_add_scid 0 16395 NULL -+lio_target_nacl_show_tag_16400 lio_target_nacl_show_tag 0 16400 NULL -+isl29003_show_range_16402 isl29003_show_range 0 16402 NULL -+diva_os_malloc_16406 diva_os_malloc 2 16406 NULL nohasharray -+ath10k_pci_diag_read_mem_16406 ath10k_pci_diag_read_mem 0 16406 &diva_os_malloc_16406 -+crypto_ahash_final_16410 crypto_ahash_final 0 16410 NULL nohasharray -+xfs_file_fsync_16410 xfs_file_fsync 0 16410 &crypto_ahash_final_16410 -+iwl_dbgfs_prph_reg_write_16411 iwl_dbgfs_prph_reg_write 0-3 16411 NULL -+iio_device_add_event_16412 iio_device_add_event 0 16412 NULL -+roccat_common2_sysfs_read_actual_profile_16414 roccat_common2_sysfs_read_actual_profile 0-5-6 16414 NULL -+cdce706_clkout_prepare_16415 cdce706_clkout_prepare 0 16415 NULL nohasharray -+w1_slave_show_16415 w1_slave_show 0 16415 &cdce706_clkout_prepare_16415 nohasharray -+patch_alc861vd_16415 patch_alc861vd 0 16415 &w1_slave_show_16415 -+fill_buffer_16418 fill_buffer 0 16418 NULL 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17501 NULL -+rds_get_mr_17506 rds_get_mr 0 17506 NULL -+multicast_last_member_interval_store_17508 multicast_last_member_interval_store 4-0 17508 NULL -+of_device_get_modalias_17511 of_device_get_modalias 0 17511 NULL -+copy_page_from_iter_17512 copy_page_from_iter 3-0 17512 NULL -+reiserfs_direct_IO_17513 reiserfs_direct_IO 4-0 17513 NULL nohasharray -+fc_vport_terminate_17513 fc_vport_terminate 0 17513 &reiserfs_direct_IO_17513 -+lbs_highrssi_write_17515 lbs_highrssi_write 3-0 17515 NULL -+wl1271_acx_dco_itrim_params_17523 wl1271_acx_dco_itrim_params 0 17523 NULL -+fsp_attr_show_flags_17527 fsp_attr_show_flags 0 17527 NULL nohasharray -+bcmgenet_init_rx_ring_17527 bcmgenet_init_rx_ring 0 17527 &fsp_attr_show_flags_17527 -+acerhdf_get_cur_state_17531 acerhdf_get_cur_state 0 17531 NULL -+show_ipInNoRoutes_17533 show_ipInNoRoutes 0 17533 NULL -+ixgbe_set_vfta_generic_17534 ixgbe_set_vfta_generic 0 17534 NULL -+ctnetlink_acct_size_17536 ctnetlink_acct_size 0 17536 NULL 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wl1271_acx_rssi_snr_avg_weights 0 21862 NULL -+lpfc_idiag_extacc_avail_get_21865 lpfc_idiag_extacc_avail_get 0-3 21865 NULL -+msix_capability_init_21870 msix_capability_init 0 21870 NULL -+sisusbcon_bmove_21873 sisusbcon_bmove 7-5-6 21873 NULL nohasharray -+show_conn_param_ISCSI_PARAM_TCP_RECV_WSF_21873 show_conn_param_ISCSI_PARAM_TCP_RECV_WSF 0 21873 &sisusbcon_bmove_21873 -+em28xx_write_regs_req_21874 em28xx_write_regs_req 0 21874 NULL nohasharray -+security_compute_sid_21874 security_compute_sid 0 21874 &em28xx_write_regs_req_21874 nohasharray -+c_can_wait_for_ctrl_init_21874 c_can_wait_for_ctrl_init 0 21874 &security_compute_sid_21874 -+cpumask_set_cpu_local_first_21879 cpumask_set_cpu_local_first 0 21879 NULL -+gadget_dev_desc_idProduct_store_21881 gadget_dev_desc_idProduct_store 0-3 21881 NULL -+show_oversampling_21883 show_oversampling 0 21883 NULL -+mei_amthif_send_cmd_21885 mei_amthif_send_cmd 0 21885 NULL -+ips_halt_21887 ips_halt 0 21887 NULL -+ldlm_lock_create_21888 ldlm_lock_create 7 21888 NULL -+target_stat_scsi_tgt_port_show_attr_inst_21890 target_stat_scsi_tgt_port_show_attr_inst 0 21890 NULL -+__btrfs_direct_write_21894 __btrfs_direct_write 3-0 21894 NULL -+__alloc_reserved_percpu_21895 __alloc_reserved_percpu 1-2 21895 NULL -+xhci_configure_endpoint_result_21900 xhci_configure_endpoint_result 0 21900 NULL -+cx18_s_video_encoding_21901 cx18_s_video_encoding 0 21901 NULL -+pcm_capture_prepare_21906 pcm_capture_prepare 0 21906 NULL -+__logfs_write_rec_21907 __logfs_write_rec 0 21907 NULL -+dbAllocCtl_21911 dbAllocCtl 0 21911 NULL -+qsfp_1_read_21915 qsfp_1_read 3-0 21915 NULL -+l2tp_ip_disconnect_21920 l2tp_ip_disconnect 0 21920 NULL -+snd_line6_trigger_21928 snd_line6_trigger 0 21928 NULL -+go7007_s_ctrl_21935 go7007_s_ctrl 0 21935 NULL -+bond_option_xmit_hash_policy_set_21936 bond_option_xmit_hash_policy_set 0 21936 NULL -+ceph_permission_21941 ceph_permission 0 21941 NULL -+bnx2fc_destroy_21942 bnx2fc_destroy 0 21942 NULL -+f2fs_read_inline_data_21946 f2fs_read_inline_data 0 21946 NULL -+led_delay_off_store_21947 led_delay_off_store 0-4 21947 NULL -+show_remote_temp8_21948 show_remote_temp8 0 21948 NULL nohasharray -+wl1271_cmd_general_parms_21948 wl1271_cmd_general_parms 0 21948 &show_remote_temp8_21948 -+bus_attr_show_21949 bus_attr_show 0 21949 NULL -+wl1271_sysfs_show_bt_coex_state_21950 wl1271_sysfs_show_bt_coex_state 0 21950 NULL nohasharray -+usb_remove_device_21950 usb_remove_device 0 21950 &wl1271_sysfs_show_bt_coex_state_21950 -+loopback_check_format_21951 loopback_check_format 0 21951 NULL -+twl_i2c_write_u16_21953 twl_i2c_write_u16 3-0 21953 NULL -+prism2_set_mac_address_21958 prism2_set_mac_address 0 21958 NULL -+rtl2832_sdr_set_tuner_freq_21960 rtl2832_sdr_set_tuner_freq 0 21960 NULL nohasharray -+write_fifo_21960 write_fifo 0 21960 &rtl2832_sdr_set_tuner_freq_21960 -+ethoc_set_mac_address_21964 ethoc_set_mac_address 0 21964 NULL -+pt1_i2c_end_21971 pt1_i2c_end 0 21971 NULL 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compat_rw_copy_check_uvector 3-0 22001 NULL nohasharray -+rxpipe_descr_host_int_trig_rx_data_read_22001 rxpipe_descr_host_int_trig_rx_data_read 3-0 22001 &compat_rw_copy_check_uvector_22001 -+osst_linux_media_version_show_22002 osst_linux_media_version_show 0 22002 NULL -+kobil_open_22009 kobil_open 0 22009 NULL -+rndis_filter_set_packet_filter_22011 rndis_filter_set_packet_filter 0 22011 NULL -+nv_set_mac_address_22012 nv_set_mac_address 0 22012 NULL -+show_trans_timeout_22013 show_trans_timeout 0 22013 NULL -+netdev_queue_attr_show_22015 netdev_queue_attr_show 0 22015 NULL -+fbcon_fb_registered_22016 fbcon_fb_registered 0 22016 NULL nohasharray -+il_alloc_txq_mem_22016 il_alloc_txq_mem 0 22016 &fbcon_fb_registered_22016 -+atl1e_get_eeprom_len_22018 atl1e_get_eeprom_len 0 22018 NULL -+xfs_attr3_leaf_to_shortform_22019 xfs_attr3_leaf_to_shortform 0 22019 NULL -+regcache_sync_block_raw_flush_22021 regcache_sync_block_raw_flush 3-4 22021 NULL -+gether_get_host_addr_22022 gether_get_host_addr 0 22022 NULL -+btrfs_get_16_22023 btrfs_get_16 0 22023 NULL -+write_usb_charge_22024 write_usb_charge 0 22024 NULL -+ocfs2_control_validate_protocol_22029 ocfs2_control_validate_protocol 0-3 22029 NULL -+da9052_bat_check_status_22030 da9052_bat_check_status 0 22030 NULL -+_sp2d_min_pg_22032 _sp2d_min_pg 0 22032 NULL -+disable_nonboot_cpus_22037 disable_nonboot_cpus 0 22037 NULL -+lookup_metapath_22039 lookup_metapath 0 22039 NULL nohasharray -+rtsx_pci_dma_map_sg_22039 rtsx_pci_dma_map_sg 3 22039 &lookup_metapath_22039 -+mt9v011_s_mbus_fmt_22040 mt9v011_s_mbus_fmt 0 22040 NULL -+nfs_permission_22042 nfs_permission 0 22042 NULL nohasharray -+ath5k_attr_show_firstep_level_22042 ath5k_attr_show_firstep_level 0 22042 &nfs_permission_22042 -+xfs_fs_freeze_22048 xfs_fs_freeze 0 22048 NULL -+zd_usb_read_fw_22049 zd_usb_read_fw 4 22049 NULL nohasharray -+nilfs_segctor_wait_22049 nilfs_segctor_wait 0 22049 &zd_usb_read_fw_22049 -+vbi_buffer_prepare_22050 vbi_buffer_prepare 0 22050 NULL -+create_speaker_out_ctls_22052 create_speaker_out_ctls 0 22052 NULL -+atalk_recvmsg_22053 atalk_recvmsg 4-0 22053 NULL -+ieee80211_if_fmt_dropped_frames_ttl_22054 ieee80211_if_fmt_dropped_frames_ttl 3 22054 NULL nohasharray -+skge_ring_alloc_22054 skge_ring_alloc 0 22054 &ieee80211_if_fmt_dropped_frames_ttl_22054 nohasharray -+sys_recvfrom_22054 sys_recvfrom 3 22054 &skge_ring_alloc_22054 -+end_show_22058 end_show 0 22058 NULL nohasharray -+show_sas_phy_minimum_linkrate_hw_22058 show_sas_phy_minimum_linkrate_hw 0 22058 &end_show_22058 nohasharray -+uart_mode_store_22058 uart_mode_store 0-4 22058 &show_sas_phy_minimum_linkrate_hw_22058 -+acpi_ds_get_field_names_22059 acpi_ds_get_field_names 0 22059 NULL nohasharray -+pio_write_22059 pio_write 0-6-5 22059 &acpi_ds_get_field_names_22059 -+cfqg_set_weight_device_22062 cfqg_set_weight_device 3-0 22062 NULL -+trunc_end_22065 trunc_end 0 22065 NULL nohasharray -+il_tx_queue_init_22065 il_tx_queue_init 0 22065 &trunc_end_22065 -+bNumEndpoints_show_22075 bNumEndpoints_show 0 22075 NULL -+btrfs_reloc_clone_csums_22077 btrfs_reloc_clone_csums 2-3-0 22077 NULL nohasharray -+sigmadsp_write_regmap_22077 sigmadsp_write_regmap 2-4 22077 &btrfs_reloc_clone_csums_22077 -+find_trange_value_22079 find_trange_value 0 22079 NULL -+timeout_show_22081 timeout_show 0 22081 NULL -+clear_store_22082 clear_store 0-4 22082 NULL nohasharray -+set_fan_speed_percent_22082 set_fan_speed_percent 0 22082 &clear_store_22082 -+ov772x_cropcap_22083 ov772x_cropcap 0 22083 NULL -+mem_rw_22085 mem_rw 3-0 22085 NULL nohasharray -+sb1000_end_get_set_command_22085 sb1000_end_get_set_command 0 22085 &mem_rw_22085 -+nf_ct_seq_adjust_22086 nf_ct_seq_adjust 4 22086 NULL -+acerhdf_get_mode_22088 acerhdf_get_mode 0 22088 NULL -+niu_init_one_rx_channel_22095 niu_init_one_rx_channel 0 22095 NULL -+ocfs2_extend_allocation_22096 ocfs2_extend_allocation 0 22096 NULL -+ext3_setattr_22100 ext3_setattr 0 22100 NULL -+portio_name_show_22101 portio_name_show 0 22101 NULL -+rndis_error_status_22103 rndis_error_status 0 22103 NULL nohasharray -+qlcnic_sriov_pf_enable_22103 qlcnic_sriov_pf_enable 0 22103 &rndis_error_status_22103 -+find_free_port_22104 find_free_port 0 22104 NULL -+rt2x00debug_read_crypto_stats_22109 rt2x00debug_read_crypto_stats 3-0 22109 NULL -+get_pwm_22113 get_pwm 0 22113 NULL -+arvo_sysfs_show_key_mask_22117 arvo_sysfs_show_key_mask 0 22117 NULL nohasharray -+beiscsi_log_enable_store_22117 beiscsi_log_enable_store 0-4 22117 &arvo_sysfs_show_key_mask_22117 -+mlog_show_22119 mlog_show 0 22119 NULL -+show_session_param_ISCSI_PARAM_TARGET_NAME_22122 show_session_param_ISCSI_PARAM_TARGET_NAME 0 22122 NULL -+tps65217_reg_read_22125 tps65217_reg_read 0 22125 NULL -+show_fan_min_22127 show_fan_min 0 22127 NULL -+snd_hda_codec_read_22130 snd_hda_codec_read 0 22130 NULL nohasharray -+get_results_22130 get_results 0 22130 &snd_hda_codec_read_22130 -+mx2_videobuf_setup_22136 mx2_videobuf_setup 0 22136 NULL -+__bitmap_size_22138 __bitmap_size 0 22138 NULL -+read_cal_int_tables_22139 read_cal_int_tables 0 22139 NULL -+listxattr_22142 listxattr 0-3 22142 NULL -+reset_atmel_card_22143 reset_atmel_card 0 22143 NULL -+SyS_sched_setaffinity_22148 SyS_sched_setaffinity 2 22148 NULL -+smsc95xx_reset_22152 smsc95xx_reset 0 22152 NULL -+netlink_bind_22153 netlink_bind 0 22153 NULL -+pn533_dep_link_up_22154 pn533_dep_link_up 5 22154 NULL -+isci_task_execute_task_22155 isci_task_execute_task 0 22155 NULL -+__vlan_device_event_22159 __vlan_device_event 0 22159 NULL -+show_otp2en_22160 show_otp2en 0 22160 NULL -+set_pwm_enable_22161 set_pwm_enable 0-4 22161 NULL -+devm_ioremap_wc_22162 devm_ioremap_wc 2-3 22162 NULL -+pm8001_phy_control_22163 pm8001_phy_control 0 22163 NULL nohasharray -+store_pwm_interpolate_22163 store_pwm_interpolate 0-4 22163 &pm8001_phy_control_22163 -+lx_hardware_open_22166 lx_hardware_open 0 22166 NULL -+usbhsh_dcp_queue_push_22167 usbhsh_dcp_queue_push 0 22167 NULL -+reiserfs_paste_into_item_22170 reiserfs_paste_into_item 0 22170 NULL -+__kfifo_alloc_22173 __kfifo_alloc 3-0 22173 NULL nohasharray -+max8997_reg_enable_22173 max8997_reg_enable 0 22173 &__kfifo_alloc_22173 -+dccp_disconnect_22174 dccp_disconnect 0 22174 NULL -+beiscsi_adap_family_disp_22179 beiscsi_adap_family_disp 0 22179 NULL nohasharray -+nf_nat_ipv6_in_22179 nf_nat_ipv6_in 0 22179 &beiscsi_adap_family_disp_22179 -+iscsi_disc_show_userid_mutual_22181 iscsi_disc_show_userid_mutual 0 22181 NULL nohasharray -+hid_sensor_custom_read_22181 hid_sensor_custom_read 3 22181 &iscsi_disc_show_userid_mutual_22181 -+channel_dimm_label_store_22189 channel_dimm_label_store 0-4 22189 NULL -+xen_acpi_processor_resume_22190 xen_acpi_processor_resume 0 22190 NULL -+tps80031_rtc_alarm_irq_enable_22198 tps80031_rtc_alarm_irq_enable 0 22198 NULL -+btrfs_space_info_show_disk_total_22200 btrfs_space_info_show_disk_total 0 22200 NULL -+cmd_exec_22204 cmd_exec 0 22204 NULL -+fls_22210 fls 0 22210 NULL -+f2fs_write_data_pages_22217 f2fs_write_data_pages 0 22217 NULL -+fat_compat_ioctl_filldir_22222 fat_compat_ioctl_filldir 3 22222 NULL -+show_22225 show 0 22225 NULL -+rfcomm_sock_recvmsg_22227 rfcomm_sock_recvmsg 4-0 22227 NULL nohasharray -+xirc2ps_resume_22227 xirc2ps_resume 0 22227 &rfcomm_sock_recvmsg_22227 -+core_alua_show_tg_pt_gp_info_22228 core_alua_show_tg_pt_gp_info 0 22228 NULL -+mem_write_22232 mem_write 3-0 22232 NULL -+mwl8k_cmd_set_pre_scan_22233 mwl8k_cmd_set_pre_scan 0 22233 NULL -+fw_status_show_22234 fw_status_show 0 22234 NULL -+av7110_fw_cmd_22236 av7110_fw_cmd 0 22236 NULL -+store_tabletMouseRight_22238 store_tabletMouseRight 0-4 22238 NULL -+p9_virtio_zc_request_22240 p9_virtio_zc_request 6-5 22240 NULL -+show_fnode_redirect_ipaddr_22241 show_fnode_redirect_ipaddr 0 22241 NULL nohasharray -+mwifiex_cmd_recfg_tx_buf_22241 mwifiex_cmd_recfg_tx_buf 0 22241 &show_fnode_redirect_ipaddr_22241 -+ath10k_push_board_ext_data_22243 ath10k_push_board_ext_data 0 22243 NULL nohasharray -+fsnotify_parent_22243 fsnotify_parent 0 22243 &ath10k_push_board_ext_data_22243 -+prepare_to_wait_event_22247 prepare_to_wait_event 0 22247 NULL -+security_setxattr_22253 security_setxattr 4-0 22253 NULL nohasharray -+capability_id_show_22253 capability_id_show 0 22253 &security_setxattr_22253 -+compat_process_vm_rw_22254 compat_process_vm_rw 3-5 22254 NULL -+show_fc_rport_maxframe_size_22260 show_fc_rport_maxframe_size 0 22260 NULL -+ping_common_sendmsg_22261 ping_common_sendmsg 5 22261 NULL -+add_res_tree_22263 add_res_tree 7 22263 NULL -+at91ether_open_22272 at91ether_open 0 22272 NULL -+bmc150_accel_set_power_state_22273 bmc150_accel_set_power_state 0 22273 NULL -+adp8870_bl_l4_indoor_dim_show_22281 adp8870_bl_l4_indoor_dim_show 0 22281 NULL -+show_ipInReceives_22282 show_ipInReceives 0 22282 NULL nohasharray -+scan_sleep_millisecs_show_22282 scan_sleep_millisecs_show 0 22282 &show_ipInReceives_22282 -+container_offline_22283 container_offline 0 22283 NULL -+pm8001_ctl_logging_level_show_22284 pm8001_ctl_logging_level_show 0 22284 NULL -+ndo_validate_addr_22293 ndo_validate_addr 0 22293 NULL -+snd_sb16_playback_prepare_22296 snd_sb16_playback_prepare 0 22296 NULL -+line6_stream_start_22297 line6_stream_start 0 22297 NULL -+__tun_chr_ioctl_22300 __tun_chr_ioctl 4 22300 NULL -+anysee_master_xfer_22303 anysee_master_xfer 0-3 22303 NULL nohasharray -+csrow_edac_mode_show_22303 csrow_edac_mode_show 0 22303 &anysee_master_xfer_22303 -+mesh_table_alloc_22305 mesh_table_alloc 1 22305 NULL -+show_ipv4_iface_dhcp_vendor_id_22308 show_ipv4_iface_dhcp_vendor_id 0 22308 NULL nohasharray -+hw_ep_enable_22308 hw_ep_enable 0 22308 &show_ipv4_iface_dhcp_vendor_id_22308 -+udpv6_sendmsg_22316 udpv6_sendmsg 4-0 22316 NULL nohasharray -+in_tx_cp_show_22316 in_tx_cp_show 0 22316 &udpv6_sendmsg_22316 -+statfs_slow_show_22327 statfs_slow_show 0 22327 NULL nohasharray -+tg3_get_regs_len_22327 tg3_get_regs_len 0 22327 &statfs_slow_show_22327 -+page_cache_tree_insert_22331 page_cache_tree_insert 0 22331 NULL -+ipr_show_fw_version_22332 ipr_show_fw_version 0 22332 NULL -+show_temp_crit_ext_22334 show_temp_crit_ext 0 22334 NULL nohasharray -+do_migrate_range_22334 do_migrate_range 0 22334 &show_temp_crit_ext_22334 -+kempld_i2c_xfer_22335 kempld_i2c_xfer 0-3 22335 NULL -+target_stat_scsi_lu_show_attr_write_mbytes_22338 target_stat_scsi_lu_show_attr_write_mbytes 0 22338 NULL -+ch341_set_handshake_22339 ch341_set_handshake 0 22339 NULL -+lbs_set_monitor_mode_22340 lbs_set_monitor_mode 0 22340 NULL -+sys_read_22343 sys_read 3 22343 NULL -+wl18xx_boot_22344 wl18xx_boot 0 22344 NULL -+part_timeout_store_22351 part_timeout_store 0-4 22351 NULL -+block_store_22352 block_store 0-3 22352 NULL nohasharray -+ptn3460_read_bytes_22352 ptn3460_read_bytes 4 22352 &block_store_22352 -+ll_lazystatfs_seq_write_22353 ll_lazystatfs_seq_write 3 22353 NULL -+c_can_chip_config_22357 c_can_chip_config 0 22357 NULL -+__device_suspend_noirq_22360 __device_suspend_noirq 0 22360 NULL -+regmap_spi_gather_write_22364 regmap_spi_gather_write 0 22364 NULL nohasharray -+o2nm_cluster_attr_reconnect_delay_ms_read_22364 o2nm_cluster_attr_reconnect_delay_ms_read 0 22364 &regmap_spi_gather_write_22364 nohasharray -+gem_set_mac_address_22364 gem_set_mac_address 0 22364 &o2nm_cluster_attr_reconnect_delay_ms_read_22364 -+tps6586x_gpio_to_irq_22365 tps6586x_gpio_to_irq 2 22365 NULL nohasharray -+show_lcd_level_22365 show_lcd_level 0 22365 &tps6586x_gpio_to_irq_22365 -+build_ntlmssp_auth_blob_22366 build_ntlmssp_auth_blob 0 22366 NULL -+dbg_check_znode_22369 dbg_check_znode 0 22369 NULL -+roccat_common2_sysfs_write_keys_primary_22370 roccat_common2_sysfs_write_keys_primary 0-6-5 22370 NULL -+evdev_ioctl_22371 evdev_ioctl 2 22371 NULL -+wake_up_lan_show_22373 wake_up_lan_show 0 22373 NULL nohasharray -+hugetlbfs_write_begin_22373 hugetlbfs_write_begin 0 22373 &wake_up_lan_show_22373 -+ufx_reg_clear_bits_22374 ufx_reg_clear_bits 0 22374 NULL 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queue_reply 3-0 22416 NULL -+iscsi_stat_sess_err_show_attr_format_errors_22417 iscsi_stat_sess_err_show_attr_format_errors 0 22417 NULL -+usbhsg_gadget_start_22424 usbhsg_gadget_start 0 22424 NULL -+sg_finish_rem_req_22426 sg_finish_rem_req 0 22426 NULL -+update_22427 update 0 22427 NULL -+isci_show_id_22428 isci_show_id 0 22428 NULL nohasharray -+erst_exec_set_src_address_base_22428 erst_exec_set_src_address_base 0 22428 &isci_show_id_22428 -+__set_enter_print_fmt_22431 __set_enter_print_fmt 0 22431 NULL -+iov_iter_get_pages_22440 iov_iter_get_pages 0-4-3 22440 NULL -+xenfb_check_var_22441 xenfb_check_var 0 22441 NULL -+rtl2832_sdr_start_streaming_22446 rtl2832_sdr_start_streaming 0 22446 NULL -+show_sas_phy_phy_identifier_22447 show_sas_phy_phy_identifier 0 22447 NULL -+ceph_write_iter_22449 ceph_write_iter 0 22449 NULL -+handle_received_packet_22457 handle_received_packet 3 22457 NULL -+write_fs_22465 write_fs 0-6-5 22465 NULL -+acpi_ut_copy_eobject_to_iobject_22466 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NULL -+max16065_show_input_23199 max16065_show_input 0 23199 NULL nohasharray -+show_ipv6_iface_router_adv_link_mtu_23199 show_ipv6_iface_router_adv_link_mtu 0 23199 &max16065_show_input_23199 -+dvb_pll_set_params_23207 dvb_pll_set_params 0 23207 NULL -+pm80x_free_irq_23210 pm80x_free_irq 2 23210 NULL nohasharray -+of_irq_get_byname_23210 of_irq_get_byname 0 23210 &pm80x_free_irq_23210 nohasharray -+rbd_major_show_23210 rbd_major_show 0 23210 &of_irq_get_byname_23210 -+sequencer_read_23213 sequencer_read 0-4 23213 NULL nohasharray -+visor_memregion_get_physaddr_23213 visor_memregion_get_physaddr 0 23213 &sequencer_read_23213 -+tipc_sendmcast_23214 tipc_sendmcast 4-0 23214 NULL nohasharray -+get_in_input_23214 get_in_input 0 23214 &tipc_sendmcast_23214 -+ov6650_reg_rmw_23219 ov6650_reg_rmw 0 23219 NULL -+mcryptd_alloc_instance_23221 mcryptd_alloc_instance 3-2 23221 NULL -+mac80211_hwsim_add_interface_23223 mac80211_hwsim_add_interface 0 23223 NULL nohasharray -+set_a_bus_req_23223 set_a_bus_req 0-4 23223 &mac80211_hwsim_add_interface_23223 -+tty_buffer_request_room_23228 tty_buffer_request_room 2-0 23228 NULL nohasharray -+wm8350_isink_is_enabled_23228 wm8350_isink_is_enabled 0 23228 &tty_buffer_request_room_23228 -+xlog_get_bp_23229 xlog_get_bp 2 23229 NULL nohasharray -+__read_status_pci_23229 __read_status_pci 0 23229 &xlog_get_bp_23229 -+__kmalloc_23231 __kmalloc 1 23231 NULL -+mac802154_set_params_23235 mac802154_set_params 0 23235 NULL -+rxrpc_client_sendmsg_23236 rxrpc_client_sendmsg 5 23236 NULL -+mwl8k_cmd_set_rateadapt_mode_23239 mwl8k_cmd_set_rateadapt_mode 0 23239 NULL -+show_attr_mode_msb_23240 show_attr_mode_msb 0 23240 NULL -+nv50_ram_create__23241 nv50_ram_create_ 4 23241 NULL nohasharray -+show_ucode_version_23241 show_ucode_version 0 23241 &nv50_ram_create__23241 nohasharray -+queue_max_sectors_show_23241 queue_max_sectors_show 0 23241 &show_ucode_version_23241 -+ahci_activity_show_23244 ahci_activity_show 0 23244 NULL -+mac80211_hwsim_sta_add_23246 mac80211_hwsim_sta_add 0 23246 NULL -+b43legacy_wireless_core_attach_23259 b43legacy_wireless_core_attach 0 23259 NULL -+f_eem_opts_attr_show_23263 f_eem_opts_attr_show 0 23263 NULL -+sctp_recvmsg_23265 sctp_recvmsg 4-0 23265 NULL nohasharray -+intel_map_sg_23265 intel_map_sg 0-3 23265 &sctp_recvmsg_23265 -+alg_bind_23268 alg_bind 0 23268 NULL -+sha512_base_do_update_23270 sha512_base_do_update 0 23270 NULL -+lan87xx_read_status_23278 lan87xx_read_status 0 23278 NULL -+remove_ftrace_ops_23280 remove_ftrace_ops 0 23280 NULL -+uwb_dev_addr_print_23282 uwb_dev_addr_print 2 23282 NULL -+ipv6_skip_exthdr_23283 ipv6_skip_exthdr 0-2 23283 NULL nohasharray -+snd_compress_dev_register_23283 snd_compress_dev_register 0 23283 &ipv6_skip_exthdr_23283 nohasharray -+venus_readlink_23283 venus_readlink 0 23283 &snd_compress_dev_register_23283 -+doc_probe_23285 doc_probe 1 23285 NULL nohasharray -+ec_i2c_count_message_23285 ec_i2c_count_message 0-2 23285 &doc_probe_23285 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acpi_table_show 6 23317 NULL -+__aa_kvmalloc_23320 __aa_kvmalloc 1 23320 NULL -+show_spread_enabled_23321 show_spread_enabled 0 23321 NULL nohasharray -+iscsi_tpg_param_show_DataSequenceInOrder_23321 iscsi_tpg_param_show_DataSequenceInOrder 0 23321 &show_spread_enabled_23321 -+poll_oip_23322 poll_oip 0 23322 NULL -+config_led_23323 config_led 0 23323 NULL -+batadv_bla_init_23324 batadv_bla_init 0 23324 NULL -+run_gc_23325 run_gc 0 23325 NULL -+lpfc_devloss_tmo_show_23341 lpfc_devloss_tmo_show 0 23341 NULL -+mc13xxx_get_num_regulators_dt_23344 mc13xxx_get_num_regulators_dt 0 23344 NULL -+page_readlink_23346 page_readlink 3-0 23346 NULL -+prepare_23350 prepare 0 23350 NULL nohasharray -+usbnet_status_start_23350 usbnet_status_start 0 23350 &prepare_23350 nohasharray -+mxt_t6_command_23350 mxt_t6_command 0 23350 &usbnet_status_start_23350 -+kmem_zalloc_large_23351 kmem_zalloc_large 1 23351 NULL -+write_inode_23358 write_inode 0 23358 NULL -+generic_key_instantiate_23363 generic_key_instantiate 0 23363 NULL nohasharray -+vmxnet3_get_sset_count_23363 vmxnet3_get_sset_count 0 23363 &generic_key_instantiate_23363 -+regulator_is_enabled_regmap_23365 regulator_is_enabled_regmap 0 23365 NULL -+fscache_fsdef_netfs_get_key_23368 fscache_fsdef_netfs_get_key 0 23368 NULL -+fd_setup_write_same_buf_23369 fd_setup_write_same_buf 3 23369 NULL -+rawv6_send_hdrinc_23370 rawv6_send_hdrinc 3 23370 NULL -+iwl_pcie_rsa_race_bug_wa_23375 iwl_pcie_rsa_race_bug_wa 0 23375 NULL -+bonding_sysfs_store_option_23382 bonding_sysfs_store_option 0-4 23382 NULL -+fc0011_writereg_23383 fc0011_writereg 0 23383 NULL -+pppoe_sendmsg_23391 pppoe_sendmsg 3 23391 NULL -+kobil_write_23392 kobil_write 0-4 23392 NULL -+jffs2_listxattr_23402 jffs2_listxattr 0-3 23402 NULL nohasharray -+s_ctrl_23402 s_ctrl 0 23402 &jffs2_listxattr_23402 -+lbs_mesh_ethtool_get_sset_count_23406 lbs_mesh_ethtool_get_sset_count 0 23406 NULL -+uhci_submit_interrupt_23408 uhci_submit_interrupt 0 23408 NULL nohasharray -+mx2_videobuf_prepare_23408 mx2_videobuf_prepare 0 23408 &uhci_submit_interrupt_23408 -+bond_option_num_peer_notif_set_23409 bond_option_num_peer_notif_set 0 23409 NULL -+goku_queue_23412 goku_queue 0 23412 NULL -+snd_hda_multi_out_dig_prepare_23415 snd_hda_multi_out_dig_prepare 0 23415 NULL -+passive_show_23418 passive_show 0 23418 NULL -+mwifiex_cmd_802_11_key_material_v1_23421 mwifiex_cmd_802_11_key_material_v1 0 23421 NULL -+lpfc_prot_sg_seg_cnt_show_23423 lpfc_prot_sg_seg_cnt_show 0 23423 NULL -+vzalloc_node_23424 vzalloc_node 1 23424 NULL -+lp3972_set_bits_23425 lp3972_set_bits 0 23425 NULL nohasharray -+store_line3_23425 store_line3 0-4 23425 &lp3972_set_bits_23425 -+gpiod_export_23427 gpiod_export 0 23427 NULL -+amd_gpio_dirin_23433 amd_gpio_dirin 0 23433 NULL -+avtab_alloc_23436 avtab_alloc 0 23436 NULL -+mv88e6xxx_get_regs_len_23441 mv88e6xxx_get_regs_len 0 23441 NULL -+wil_target_reset_23443 wil_target_reset 0 23443 NULL -+_ctl_logging_level_store_23445 _ctl_logging_level_store 0-4 23445 NULL -+bInterfaceClass_show_23446 bInterfaceClass_show 0 23446 NULL -+rds_tcp_sendmsg_23447 rds_tcp_sendmsg 3 23447 NULL -+hidraw_send_report_23449 hidraw_send_report 3-0 23449 NULL -+mt9t112_auto_focus_trigger_23450 mt9t112_auto_focus_trigger 0 23450 NULL -+target_core_alua_tg_pt_gp_show_attr_alua_access_type_23452 target_core_alua_tg_pt_gp_show_attr_alua_access_type 0 23452 NULL -+napi_add_23455 napi_add 0 23455 NULL nohasharray -+store_23455 store 0 23455 &napi_add_23455 -+sb_statfs_23456 sb_statfs 0 23456 NULL -+show_ipv4_iface_dhcp_learn_iqn_en_23462 show_ipv4_iface_dhcp_learn_iqn_en 0 23462 NULL -+host_show_resettable_23464 host_show_resettable 0 23464 NULL -+dn_nsp_send_disc_23469 dn_nsp_send_disc 2 23469 NULL nohasharray -+jffs2_trusted_getxattr_23469 jffs2_trusted_getxattr 0 23469 &dn_nsp_send_disc_23469 -+res_get_23470 res_get 0 23470 NULL -+ip6table_nat_fn_23482 ip6table_nat_fn 0 23482 NULL -+dpm_prepare_23484 dpm_prepare 0 23484 NULL 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NULL -+show_fcstat_invalid_crc_count_23516 show_fcstat_invalid_crc_count 0 23516 NULL nohasharray -+ad_sd_write_reg_23516 ad_sd_write_reg 0 23516 &show_fcstat_invalid_crc_count_23516 nohasharray -+__proc_cpt_table_23516 __proc_cpt_table 5 23516 &ad_sd_write_reg_23516 -+hash_ipmark6_expire_23518 hash_ipmark6_expire 4 23518 NULL -+iwl_pcie_send_hcmd_sync_23522 iwl_pcie_send_hcmd_sync 0 23522 NULL -+cxacru_sysfs_show_upstream_crc_errors_23523 cxacru_sysfs_show_upstream_crc_errors 0 23523 NULL -+get_component_active_23527 get_component_active 0 23527 NULL -+target_core_dev_wwn_show_attr_vpd_protocol_identifier_23531 target_core_dev_wwn_show_attr_vpd_protocol_identifier 0 23531 NULL -+ima_show_measurements_count_23536 ima_show_measurements_count 3-0 23536 NULL nohasharray -+sky2_device_event_23536 sky2_device_event 0 23536 &ima_show_measurements_count_23536 -+get_usb_charge_23541 get_usb_charge 0 23541 NULL nohasharray -+adp5520_bl_office_dim_store_23541 adp5520_bl_office_dim_store 4-0 23541 &get_usb_charge_23541 -+st_press_trig_set_state_23544 st_press_trig_set_state 0 23544 NULL -+xen_allocate_irq_gsi_23546 xen_allocate_irq_gsi 1 23546 NULL nohasharray -+cxacru_sysfs_showattr_u32_23546 cxacru_sysfs_showattr_u32 0 23546 &xen_allocate_irq_gsi_23546 nohasharray -+isl29125_buffer_preenable_23546 isl29125_buffer_preenable 0 23546 &cxacru_sysfs_showattr_u32_23546 -+tcp_current_mss_23552 tcp_current_mss 0 23552 NULL -+dbg_leb_change_23555 dbg_leb_change 4-0 23555 NULL -+_hardware_enqueue_23558 _hardware_enqueue 0 23558 NULL -+tcp_match_skb_to_sack_23568 tcp_match_skb_to_sack 3-4 23568 NULL -+padlock_sha1_finup_23569 padlock_sha1_finup 0 23569 NULL nohasharray -+mwl8k_cmd_radio_control_23569 mwl8k_cmd_radio_control 0 23569 &padlock_sha1_finup_23569 -+venus_symlink_23570 venus_symlink 6-4 23570 NULL -+show_net_stats_23573 show_net_stats 0 23573 NULL -+iwl_dbgfs_interrupt_read_23574 iwl_dbgfs_interrupt_read 3-0 23574 NULL -+l2cap_parse_conf_req_23575 l2cap_parse_conf_req 0 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24412 NULL -+save_image_lzo_24413 save_image_lzo 0 24413 NULL -+blk_update_bidi_request_24415 blk_update_bidi_request 3-4 24415 NULL -+default_density_show_24417 default_density_show 0 24417 NULL -+nvme_trans_log_supp_pages_24418 nvme_trans_log_supp_pages 3 24418 NULL -+show_iap_mode_24420 show_iap_mode 0 24420 NULL -+rtl8187_init_urbs_24421 rtl8187_init_urbs 0 24421 NULL -+set_port1_handler_24424 set_port1_handler 0-4 24424 NULL -+b43_debugfs_read_24425 b43_debugfs_read 3-0 24425 NULL -+bq2415x_sysfs_set_limit_24426 bq2415x_sysfs_set_limit 0-4 24426 NULL -+xenbus_file_read_24427 xenbus_file_read 3-0 24427 NULL -+ieee80211_rx_mgmt_beacon_24430 ieee80211_rx_mgmt_beacon 3 24430 NULL nohasharray -+bond_option_ad_select_set_24430 bond_option_ad_select_set 0 24430 &ieee80211_rx_mgmt_beacon_24430 -+pn_socket_sendmsg_24431 pn_socket_sendmsg 4-0 24431 NULL -+copy_and_ioctl_24434 copy_and_ioctl 4 24434 NULL -+suspend_freeze_processes_24436 suspend_freeze_processes 0 24436 NULL 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0-4 27733 &ima_protect_xattr_27733 -+a4t_cs_init_27734 a4t_cs_init 3 27734 NULL -+drv_start_27735 drv_start 0 27735 NULL -+init_timers_cpu_27741 init_timers_cpu 0 27741 NULL -+ov7660_set_auto_gain_27743 ov7660_set_auto_gain 0 27743 NULL -+do_grow_27746 do_grow 0 27746 NULL -+ims_pcu_flash_firmware_27748 ims_pcu_flash_firmware 0 27748 NULL -+roccat_common2_sysfs_write_macro_27750 roccat_common2_sysfs_write_macro 0-6-5 27750 NULL -+lp55xx_request_firmware_27754 lp55xx_request_firmware 0 27754 NULL -+snd_pcm_pre_resume_27757 snd_pcm_pre_resume 0 27757 NULL -+md4_update_27759 md4_update 0 27759 NULL nohasharray -+SyS_setsockopt_27759 SyS_setsockopt 5 27759 &md4_update_27759 -+store_io_db_27768 store_io_db 0-4 27768 NULL -+kcalloc_27770 kcalloc 2-1 27770 NULL -+security_inode_getattr_27774 security_inode_getattr 0 27774 NULL -+transport_init_session_tags_27776 transport_init_session_tags 2-1 27776 NULL -+sched_group_set_shares_27778 sched_group_set_shares 0 27778 NULL -+device_notifier_27779 device_notifier 0 27779 NULL -+megasas_fw_crash_buffer_show_27781 megasas_fw_crash_buffer_show 0 27781 NULL -+ip_sabotage_in_27782 ip_sabotage_in 0 27782 NULL -+twl4030_set_gpio_dataout_27792 twl4030_set_gpio_dataout 1 27792 NULL nohasharray -+t4vf_set_rxmode_27792 t4vf_set_rxmode 0 27792 &twl4030_set_gpio_dataout_27792 -+megasas_sysfs_show_support_poll_for_event_27793 megasas_sysfs_show_support_poll_for_event 0 27793 NULL -+DivaSTraceGetMemotyRequirement_27797 DivaSTraceGetMemotyRequirement 0-1 27797 NULL -+ath6kl_wmi_force_roam_cmd_27800 ath6kl_wmi_force_roam_cmd 0 27800 NULL -+ttm_object_file_init_27804 ttm_object_file_init 2 27804 NULL nohasharray -+SyS_readv_27804 SyS_readv 3 27804 &ttm_object_file_init_27804 -+mpihelp_mul_27805 mpihelp_mul 5-3 27805 NULL -+sisusb_write_memio_24bit_27812 sisusb_write_memio_24bit 0 27812 NULL -+b43_phy_initn_27813 b43_phy_initn 0 27813 NULL -+f2fs_xattr_advise_list_27815 f2fs_xattr_advise_list 0-5 27815 NULL nohasharray 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pci_conf2_write 0 27866 NULL -+__uncore_edge_show_27869 __uncore_edge_show 0 27869 NULL -+ocfs2_file_splice_read_27870 ocfs2_file_splice_read 0 27870 NULL -+ivtv_readbyte_27872 ivtv_readbyte 0 27872 NULL nohasharray -+ipr_update_ioa_ucode_27872 ipr_update_ioa_ucode 0 27872 &ivtv_readbyte_27872 -+ieee80211_if_read_dot11MeshHWMProotInterval_27873 ieee80211_if_read_dot11MeshHWMProotInterval 3-0 27873 NULL -+diag_read_27874 diag_read 0 27874 NULL -+sch_gpio_direction_in_27878 sch_gpio_direction_in 0 27878 NULL -+set_rdac3_27880 set_rdac3 4-0 27880 NULL -+mv88e6171_get_sset_count_27888 mv88e6171_get_sset_count 0 27888 NULL -+show_als_channel_27889 show_als_channel 0 27889 NULL -+unix_seqpacket_sendmsg_27893 unix_seqpacket_sendmsg 4-0 27893 NULL -+set_pwm_auto_pwm_minctl_27898 set_pwm_auto_pwm_minctl 0-4 27898 NULL -+func_27900 func 0 27900 NULL nohasharray -+tcp_v6_parse_md5_keys_27900 tcp_v6_parse_md5_keys 0 27900 &func_27900 -+gluebi_write_27905 gluebi_write 3 27905 NULL -+store_27911 store 0-4 27911 NULL -+show_fcoe_ctlr_device_symb_err_27915 show_fcoe_ctlr_device_symb_err 0 27915 NULL -+qla2x00_zio_timer_show_27921 qla2x00_zio_timer_show 0 27921 NULL -+tps6586x_rtc_set_alarm_27924 tps6586x_rtc_set_alarm 0 27924 NULL -+adxl34x_calibrate_store_27928 adxl34x_calibrate_store 0-4 27928 NULL -+bm_find_next_27929 bm_find_next 2 27929 NULL -+adjust_tp_27930 adjust_tp 0 27930 NULL nohasharray -+set_b_bus_req_27930 set_b_bus_req 0-4 27930 &adjust_tp_27930 -+ocfs2_add_inode_to_orphan_27932 ocfs2_add_inode_to_orphan 0 27932 NULL -+get_alarm_27933 get_alarm 0 27933 NULL -+can_attach_27934 can_attach 0 27934 NULL -+usbhsh_data_stage_packet_push_27936 usbhsh_data_stage_packet_push 0 27936 NULL -+sctp_outq_tail_27937 sctp_outq_tail 0 27937 NULL -+set_min_uV_27943 set_min_uV 0-4 27943 NULL -+mt9m111_cropcap_27947 mt9m111_cropcap 0 27947 NULL -+rt2500usb_set_device_state_27949 rt2500usb_set_device_state 0 27949 NULL nohasharray -+e1000_get_eeprom_len_27949 e1000_get_eeprom_len 0 27949 &rt2500usb_set_device_state_27949 -+_transport_get_linkerrors_27955 _transport_get_linkerrors 0 27955 NULL -+sctp_make_abort_violation_27959 sctp_make_abort_violation 4 27959 NULL -+provisioning_mode_store_27960 provisioning_mode_store 0-4 27960 NULL -+bio_next_split_27961 bio_next_split 2 27961 NULL nohasharray -+tracing_clock_write_27961 tracing_clock_write 3 27961 &bio_next_split_27961 -+ec168_ctrl_msg_27963 ec168_ctrl_msg 0 27963 NULL -+snd_hdac_bus_exec_verb_unlocked_27964 snd_hdac_bus_exec_verb_unlocked 0 27964 NULL -+tipc_media_addr_printf_27971 tipc_media_addr_printf 2 27971 NULL nohasharray -+nfs4_read_cached_acl_27971 nfs4_read_cached_acl 0 27971 &tipc_media_addr_printf_27971 -+mic_rx_pkts_read_27972 mic_rx_pkts_read 3-0 27972 NULL nohasharray -+device_register_27972 device_register 0 27972 &mic_rx_pkts_read_27972 -+xfs_alloc_fixup_trees_27975 xfs_alloc_fixup_trees 0 27975 NULL nohasharray -+b43legacy_upload_initvals_27975 b43legacy_upload_initvals 0 27975 &xfs_alloc_fixup_trees_27975 nohasharray -+compat_SyS_set_mempolicy_27975 compat_SyS_set_mempolicy 3 27975 &b43legacy_upload_initvals_27975 -+adm8211_hw_reset_27976 adm8211_hw_reset 0 27976 NULL -+__kernfs_setattr_27977 __kernfs_setattr 0 27977 NULL nohasharray -+pci_enable_device_flags_27977 pci_enable_device_flags 0 27977 &__kernfs_setattr_27977 -+nilfs_btree_get_new_block_27978 nilfs_btree_get_new_block 0 27978 NULL -+get_max_state_27981 get_max_state 0 27981 NULL -+target_core_alua_tg_pt_gp_store_attr_alua_support_unavailable_27982 target_core_alua_tg_pt_gp_store_attr_alua_support_unavailable 0-3 27982 NULL -+wan_set_status_27984 wan_set_status 0 27984 NULL -+erst_get_record_id_next_27988 erst_get_record_id_next 0 27988 NULL nohasharray -+igb_pci_sriov_configure_27988 igb_pci_sriov_configure 0-2 27988 &erst_get_record_id_next_27988 -+acpi_ds_result_push_27992 acpi_ds_result_push 0 27992 NULL -+inet6_get_link_af_size_27998 inet6_get_link_af_size 0 27998 NULL -+edt_ft5x06_debugfs_raw_data_read_28002 edt_ft5x06_debugfs_raw_data_read 3-0 28002 NULL nohasharray -+ixgbe_pci_sriov_disable_28002 ixgbe_pci_sriov_disable 0 28002 &edt_ft5x06_debugfs_raw_data_read_28002 -+ieee802154_alloc_hw_28003 ieee802154_alloc_hw 1 28003 NULL nohasharray -+snd_trident_capture_prepare_28003 snd_trident_capture_prepare 0 28003 &ieee802154_alloc_hw_28003 nohasharray -+esd_usb2_setup_rx_urbs_28003 esd_usb2_setup_rx_urbs 0 28003 &snd_trident_capture_prepare_28003 -+store_sas_phy_minimum_linkrate_28005 store_sas_phy_minimum_linkrate 0-4 28005 NULL -+snd_rawmidi_write_28008 snd_rawmidi_write 3-0 28008 NULL nohasharray -+tx_queue_len_show_28008 tx_queue_len_show 0 28008 &snd_rawmidi_write_28008 -+device_id_show_28011 device_id_show 0 28011 NULL -+tg_set_cfs_quota_28014 tg_set_cfs_quota 0 28014 NULL -+show_28017 show 0 28017 NULL nohasharray -+oprofile_cpu_notify_28017 oprofile_cpu_notify 0 28017 &show_28017 -+serial8250_port_size_28019 serial8250_port_size 0 28019 NULL -+get_packet_pg_28023 get_packet_pg 4 28023 NULL -+memory_block_action_28024 memory_block_action 0 28024 NULL -+powercap_register_zone_28028 powercap_register_zone 6 28028 NULL -+alloc_one_pg_vec_page_28031 alloc_one_pg_vec_page 1 28031 NULL nohasharray -+lowpan_dev_init_28031 lowpan_dev_init 0 28031 &alloc_one_pg_vec_page_28031 -+comm_nodeid_write_28033 comm_nodeid_write 0-3 28033 NULL -+in_read_bytes_avail_show_28035 in_read_bytes_avail_show 0 28035 NULL -+smc_open_28037 smc_open 0 28037 NULL nohasharray -+store_map_28037 store_map 0-4 28037 &smc_open_28037 -+show_pools_28038 show_pools 0 28038 NULL -+sctp_setsockopt_maxburst_28041 sctp_setsockopt_maxburst 3-0 28041 NULL -+ath10k_hif_diag_write_28046 ath10k_hif_diag_write 0 28046 NULL -+ip_vs_dst_event_28048 ip_vs_dst_event 0 28048 NULL -+p9_fd_write_28050 p9_fd_write 3 28050 NULL -+cx231xx_init_vbi_isoc_28053 cx231xx_init_vbi_isoc 3-4-2-0 28053 NULL -+pool_status_28055 pool_status 5 28055 NULL -+init_rs_non_canonical_28059 init_rs_non_canonical 1 28059 NULL -+lpfc_idiag_mbxacc_read_28061 lpfc_idiag_mbxacc_read 3-0 28061 NULL nohasharray -+xgbe_phy_init_28061 xgbe_phy_init 0 28061 &lpfc_idiag_mbxacc_read_28061 -+tx_frag_bad_mblk_num_read_28064 tx_frag_bad_mblk_num_read 3-0 28064 NULL -+ext4_read_block_bitmap_nowait_28078 ext4_read_block_bitmap_nowait 2 28078 NULL -+ib_query_port_28079 ib_query_port 0 28079 NULL -+acpi_gsb_i2c_write_bytes_28082 acpi_gsb_i2c_write_bytes 4 28082 NULL nohasharray -+GetRecvByte_28082 GetRecvByte 0 28082 &acpi_gsb_i2c_write_bytes_28082 -+platform_get_irq_28088 platform_get_irq 0 28088 NULL nohasharray -+ext4_writepage_28088 ext4_writepage 0 28088 &platform_get_irq_28088 -+gdth_init_isa_28091 gdth_init_isa 1 28091 NULL -+blk_update_nr_requests_28098 blk_update_nr_requests 0 28098 NULL -+stream_next_buffer_28101 stream_next_buffer 0 28101 NULL nohasharray -+qib_tid_free_28101 qib_tid_free 0 28101 &stream_next_buffer_28101 -+mmc_test_alloc_mem_28102 mmc_test_alloc_mem 2-3 28102 NULL -+r820t_sysfreq_sel_28105 r820t_sysfreq_sel 0 28105 NULL -+show_initstate_28108 show_initstate 0 28108 NULL -+store_tabletXtilt_28113 store_tabletXtilt 0-4 28113 NULL -+sony_pic_bluetoothpower_store_28114 sony_pic_bluetoothpower_store 0-4 28114 NULL -+rx_defrag_need_defrag_read_28117 rx_defrag_need_defrag_read 3-0 28117 NULL -+show_fan_target_28118 show_fan_target 0 28118 NULL nohasharray -+sha256_final_28118 sha256_final 0 28118 &show_fan_target_28118 -+qla2x00_allow_cna_fw_dump_store_28123 qla2x00_allow_cna_fw_dump_store 0-4 28123 NULL -+acpi_tb_install_standard_table_28124 acpi_tb_install_standard_table 1 28124 NULL nohasharray -+vgacon_adjust_height_28124 vgacon_adjust_height 2 28124 &acpi_tb_install_standard_table_28124 -+musb_mode_show_28126 musb_mode_show 0 28126 NULL -+m25p80_read_reg_28132 m25p80_read_reg 4 28132 NULL -+tx_window_errors_show_28136 tx_window_errors_show 0 28136 NULL -+perf_read_hw_28139 perf_read_hw 0 28139 NULL -+manuf_show_28140 manuf_show 0 28140 NULL -+__nfs_readpage_from_fscache_28144 __nfs_readpage_from_fscache 0 28144 NULL -+ubifs_setattr_28146 ubifs_setattr 0 28146 NULL -+video_read_28148 video_read 3-0 28148 NULL nohasharray -+store_28148 store 0 28148 &video_read_28148 -+alloc_skb_with_frags_28149 alloc_skb_with_frags 1 28149 NULL -+usb_gadget_udc_start_28152 usb_gadget_udc_start 0 28152 NULL -+snd_midi_channel_alloc_set_28153 snd_midi_channel_alloc_set 1 28153 NULL -+stats_dot11FCSErrorCount_read_28154 stats_dot11FCSErrorCount_read 3-0 28154 NULL -+tipc_sk_create_28158 tipc_sk_create 0 28158 NULL -+gen10g_config_init_28159 gen10g_config_init 0 28159 NULL -+toshiba_touchpad_get_28168 toshiba_touchpad_get 0 28168 NULL -+da9055_set_alarm_28172 da9055_set_alarm 0 28172 NULL -+vread_28173 vread 0-3 28173 NULL -+c4iw_reject_cr_28174 c4iw_reject_cr 3 28174 NULL -+hdaps_mouse_activity_show_28175 hdaps_mouse_activity_show 0 28175 NULL -+nfs_do_writepage_28176 nfs_do_writepage 0 28176 NULL -+xfs_bunmapi_28180 xfs_bunmapi 0 28180 NULL -+cifs_writepage_locked_28181 cifs_writepage_locked 0 28181 NULL -+read_disk_sb_28188 read_disk_sb 2 28188 NULL -+nvkm_output_dp_create__28192 nvkm_output_dp_create_ 6 28192 NULL -+write_irq_affinity_28193 write_irq_affinity 0-4 28193 NULL -+show_update_interval_28195 show_update_interval 0 28195 NULL nohasharray -+da9055_rtc_set_alarm_28195 da9055_rtc_set_alarm 0 28195 &show_update_interval_28195 -+cyapa_gen3_get_query_data_28196 cyapa_gen3_get_query_data 0 28196 NULL -+cifs_reconnect_tcon_28200 cifs_reconnect_tcon 0 28200 NULL -+cyapa_gen5_do_fw_update_28202 cyapa_gen5_do_fw_update 0 28202 NULL -+da9063_rtc_read_time_28206 da9063_rtc_read_time 0 28206 NULL nohasharray -+hfsplus_statfs_28206 hfsplus_statfs 0 28206 &da9063_rtc_read_time_28206 -+niu_ipp_reset_28209 niu_ipp_reset 0 28209 NULL -+mcam_ctlr_configure_28210 mcam_ctlr_configure 0 28210 NULL -+f2fs_write_end_28211 f2fs_write_end 0-5 28211 NULL -+__qp_memcpy_from_queue_28220 __qp_memcpy_from_queue 4-3 28220 NULL nohasharray -+raid5_store_group_thread_cnt_28220 raid5_store_group_thread_cnt 0-3 28220 &__qp_memcpy_from_queue_28220 nohasharray -+pci_pm_prepare_28220 pci_pm_prepare 0 28220 &raid5_store_group_thread_cnt_28220 -+vivid_sdtv_cap_s_ctrl_28222 vivid_sdtv_cap_s_ctrl 0 28222 NULL -+i2c_nuvoton_write_buf_28224 i2c_nuvoton_write_buf 0 28224 NULL nohasharray -+genwqe_sriov_configure_28224 genwqe_sriov_configure 0-2 28224 &i2c_nuvoton_write_buf_28224 -+line6_alloc_sysex_buffer_28225 line6_alloc_sysex_buffer 4 28225 NULL -+iio_sysfs_trigger_remove_28227 iio_sysfs_trigger_remove 0 28227 NULL -+cm4000_resume_28231 cm4000_resume 0 28231 NULL -+beiscsi_get_port_speed_28240 beiscsi_get_port_speed 0 28240 NULL -+ext4_validate_block_bitmap_28243 ext4_validate_block_bitmap 3 28243 NULL -+radeon_get_dpm_state_28244 radeon_get_dpm_state 0 28244 NULL -+write_28250 write 0 28250 NULL nohasharray -+usbduxfast_upload_firmware_28250 usbduxfast_upload_firmware 3 28250 &write_28250 -+ipr_show_fw_type_28251 ipr_show_fw_type 0 28251 NULL -+tcp_disconnect_28252 tcp_disconnect 0 28252 NULL -+kbd_type_show_28255 kbd_type_show 0 28255 NULL -+bl_trig_invert_store_28256 bl_trig_invert_store 0-4 28256 NULL -+pci_notify_28258 pci_notify 0 28258 NULL -+add_interface_28259 add_interface 0 28259 NULL -+airo_open_28270 airo_open 0 28270 NULL -+avtab_read_28272 avtab_read 0 28272 NULL -+mt9m111_g_crop_28273 mt9m111_g_crop 0 28273 NULL -+stk1160_i2c_check_for_device_28274 stk1160_i2c_check_for_device 0 28274 NULL -+cxacru_sysfs_show_downstream_crc_errors_28276 cxacru_sysfs_show_downstream_crc_errors 0 28276 NULL -+otg_mode_show_28282 otg_mode_show 0 28282 NULL -+inline_xattr_size_28285 inline_xattr_size 0 28285 NULL nohasharray -+dibx000_i2c_master_xfer_gpio34_28285 dibx000_i2c_master_xfer_gpio34 0-3 28285 &inline_xattr_size_28285 -+dma_map_sg_attrs_28289 dma_map_sg_attrs 0-3 28289 NULL -+SyS_ppoll_28290 SyS_ppoll 2 28290 NULL -+acpi_ut_copy_epackage_to_ipackage_28291 acpi_ut_copy_epackage_to_ipackage 0 28291 NULL -+wil_addba_tx_cid_28292 wil_addba_tx_cid 3 28292 NULL -+w1_f23_write_28294 w1_f23_write 3 28294 NULL -+si476x_core_cmd_fm_acf_status_28298 si476x_core_cmd_fm_acf_status 0 28298 NULL -+ad_sigma_delta_set_mode_28299 ad_sigma_delta_set_mode 0 28299 NULL -+kstrtos16_from_user_28300 kstrtos16_from_user 2 28300 NULL -+set_fan1_div_28301 set_fan1_div 0-4 28301 NULL -+nouveau_compat_ioctl_28305 nouveau_compat_ioctl 2 28305 NULL nohasharray -+acpi_register_gsi_xen_28305 acpi_register_gsi_xen 2 28305 &nouveau_compat_ioctl_28305 -+print_fw_version_28310 print_fw_version 0 28310 NULL -+phys_switch_id_show_28314 phys_switch_id_show 0 28314 NULL -+adp5520_bl_office_max_store_28316 adp5520_bl_office_max_store 4-0 28316 NULL nohasharray -+do_loop_readv_writev_28316 do_loop_readv_writev 0 28316 &adp5520_bl_office_max_store_28316 -+snd_pcm_oss_read_28317 snd_pcm_oss_read 3-0 28317 NULL nohasharray -+il4965_show_temperature_28317 il4965_show_temperature 0 28317 &snd_pcm_oss_read_28317 -+generic_access_phys_28318 generic_access_phys 2-4 28318 NULL -+fc2580_set_params_28319 fc2580_set_params 0 28319 NULL -+filldir64_28323 filldir64 3 28323 NULL -+card_send_command_28325 card_send_command 0 28325 NULL nohasharray -+cmos_command_store_28325 cmos_command_store 0-4 28325 &card_send_command_28325 -+elan_sysfs_read_sm_ver_28327 elan_sysfs_read_sm_ver 0 28327 NULL -+input_dev_show_cap_rel_28328 input_dev_show_cap_rel 0 28328 NULL -+generic_write_checks_28329 generic_write_checks 0 28329 NULL -+xpcs_mmd_read_28331 xpcs_mmd_read 3-0 28331 NULL nohasharray -+rndis_opts_host_addr_show_28331 rndis_opts_host_addr_show 0 28331 &xpcs_mmd_read_28331 -+bm_entry_write_28338 bm_entry_write 3-0 28338 NULL -+mc13783_adc_read_gp_28341 mc13783_adc_read_gp 0 28341 NULL nohasharray -+show_tabletProgrammableDelay_28341 show_tabletProgrammableDelay 0 28341 &mc13783_adc_read_gp_28341 -+tg3_setup_phy_28343 tg3_setup_phy 0 28343 NULL -+tcp_copy_to_iovec_28344 tcp_copy_to_iovec 3 28344 NULL nohasharray -+michael_init_28344 michael_init 0 28344 &tcp_copy_to_iovec_28344 -+cachefiles_daemon_bstop_28345 cachefiles_daemon_bstop 0 28345 NULL -+ldlat_show_28348 ldlat_show 0 28348 NULL -+snapshot_write_28351 snapshot_write 3 28351 NULL -+emmaprp_buf_prepare_28353 emmaprp_buf_prepare 0 28353 NULL -+nilfs_btree_prepare_update_v_28354 nilfs_btree_prepare_update_v 0 28354 NULL -+pci_ite887x_init_28357 pci_ite887x_init 0 28357 NULL nohasharray -+show_mem_db_28357 show_mem_db 0 28357 &pci_ite887x_init_28357 -+ibmasm_get_next_event_28359 ibmasm_get_next_event 0 28359 NULL -+sched_cpu_active_28360 sched_cpu_active 0 28360 NULL -+send_control_msg_28366 send_control_msg 0 28366 NULL -+batadv_handle_tt_response_28370 batadv_handle_tt_response 4 28370 NULL -+gfs2_writepage_common_28372 gfs2_writepage_common 0 28372 NULL -+uwb_dev_RSSI_show_28373 uwb_dev_RSSI_show 0 28373 NULL -+operstate_show_28374 operstate_show 0 28374 NULL -+rt2x00mmio_initialize_28377 rt2x00mmio_initialize 0 28377 NULL 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__iscsi_tpg_auth_store_userid_mutual 0-3 28409 NULL -+compress_file_range_28412 compress_file_range 3-4 28412 NULL -+subdev_ioctl_28417 subdev_ioctl 2 28417 NULL -+ext2_xattr_list_28418 ext2_xattr_list 0 28418 NULL -+s35390a_rtc_read_time_28420 s35390a_rtc_read_time 0 28420 NULL -+__videobuf_mmap_setup_28421 __videobuf_mmap_setup 0 28421 NULL -+vfio_msi_cap_len_28424 vfio_msi_cap_len 0 28424 NULL -+p9_client_fsync_28425 p9_client_fsync 0 28425 NULL -+ksocknal_alloc_tx_28426 ksocknal_alloc_tx 2 28426 NULL -+store_sas_phy_maximum_linkrate_28428 store_sas_phy_maximum_linkrate 0-4 28428 NULL -+hid_hw_output_report_28429 hid_hw_output_report 0 28429 NULL -+snd_trident_foldback_prepare_28431 snd_trident_foldback_prepare 0 28431 NULL -+_kstrtoul_28435 _kstrtoul 0 28435 NULL -+mpage_readpages_28436 mpage_readpages 3 28436 NULL nohasharray -+decrypt_28436 decrypt 0 28436 &mpage_readpages_28436 -+direction_show_28442 direction_show 0 28442 NULL -+snd_ensoniq_playback2_prepare_28444 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show_line 0-3-4 32004 NULL -+calc_hmac_32010 calc_hmac 3 32010 NULL nohasharray -+jffs2_rtime_decompress_32010 jffs2_rtime_decompress 0 32010 &calc_hmac_32010 -+hdaps_variance_show_32012 hdaps_variance_show 0 32012 NULL nohasharray -+check_kprobe_address_safe_32012 check_kprobe_address_safe 0 32012 &hdaps_variance_show_32012 -+evm_protect_xattr_32016 evm_protect_xattr 0 32016 NULL -+sci_dma_rx_push_32029 sci_dma_rx_push 2 32029 NULL -+stk_read_32038 stk_read 3-0 32038 NULL -+camera_show_32039 camera_show 0 32039 NULL -+sdricoh_pcmcia_suspend_32042 sdricoh_pcmcia_suspend 0 32042 NULL -+vmw_cursor_update_dmabuf_32045 vmw_cursor_update_dmabuf 4-3 32045 NULL nohasharray -+mt9t112_set_params_32045 mt9t112_set_params 0 32045 &vmw_cursor_update_dmabuf_32045 -+sys_sched_setaffinity_32046 sys_sched_setaffinity 2 32046 NULL -+mc44s803_writereg_32053 mc44s803_writereg 0 32053 NULL -+do_strncpy_from_user_32059 do_strncpy_from_user 0 32059 NULL -+dnet_open_32060 dnet_open 0 32060 NULL -+SYSC_llistxattr_32061 SYSC_llistxattr 3 32061 NULL -+flush_buffer_32063 flush_buffer 0 32063 NULL -+proc_scsi_devinfo_write_32064 proc_scsi_devinfo_write 3-0 32064 NULL -+jffs2_lzo_decompress_32065 jffs2_lzo_decompress 0 32065 NULL -+multipath_run_32066 multipath_run 0 32066 NULL -+max_queue_store_32079 max_queue_store 0-3 32079 NULL -+iblock_get_blocks_32080 iblock_get_blocks 0 32080 NULL nohasharray -+target_fabric_discovery_attr_store_32080 target_fabric_discovery_attr_store 0-4 32080 &iblock_get_blocks_32080 -+atmtcp_send_control_32082 atmtcp_send_control 0 32082 NULL -+iscsi_tpg_param_show_InitialR2T_32085 iscsi_tpg_param_show_InitialR2T 0 32085 NULL -+acpi_ds_load2_begin_op_32086 acpi_ds_load2_begin_op 0 32086 NULL nohasharray -+wl12xx_init_fw_32086 wl12xx_init_fw 0 32086 &acpi_ds_load2_begin_op_32086 -+show_counter_rx_p4_hdr_egr_ovfls_32088 show_counter_rx_p4_hdr_egr_ovfls 0 32088 NULL -+cow_file_range_inline_32091 cow_file_range_inline 0 32091 NULL -+efx_mcdi_set_link_32093 efx_mcdi_set_link 0 32093 NULL nohasharray -+wakeup_count_store_32093 wakeup_count_store 0-4 32093 &efx_mcdi_set_link_32093 -+bio_alloc_32095 bio_alloc 2 32095 NULL -+temp_show_32099 temp_show 0 32099 NULL -+alloc_pwms_32100 alloc_pwms 1-2 32100 NULL -+ath6kl_fwlog_read_32101 ath6kl_fwlog_read 3-0 32101 NULL nohasharray -+iscsi_stat_sess_show_attr_inst_32101 iscsi_stat_sess_show_attr_inst 0 32101 &ath6kl_fwlog_read_32101 -+bond_netpoll_setup_32102 bond_netpoll_setup 0 32102 NULL -+usb_three_store_32103 usb_three_store 0-4 32103 NULL -+wil_read_file_recovery_32104 wil_read_file_recovery 3-0 32104 NULL -+ep_enable_32105 ep_enable 0 32105 NULL -+ab3100_rtc_read_time_32107 ab3100_rtc_read_time 0 32107 NULL -+radix_tree_callback_32110 radix_tree_callback 0 32110 NULL -+twl_i2c_read_u8_32114 twl_i2c_read_u8 0 32114 NULL -+log_recovery_delay_store_32116 log_recovery_delay_store 0-2 32116 NULL -+disk_status_32120 disk_status 4-0 32120 NULL -+rx8025_write_regs_32130 rx8025_write_regs 0 32130 NULL -+kobject_add_internal_32133 kobject_add_internal 0 32133 NULL nohasharray -+ftrace_hash_ipmodify_update_32133 ftrace_hash_ipmodify_update 0 32133 &kobject_add_internal_32133 -+acpi_power_on_resources_32134 acpi_power_on_resources 0 32134 NULL nohasharray -+ds2780_read_user_eeprom_bin_32134 ds2780_read_user_eeprom_bin 6-5-0 32134 &acpi_power_on_resources_32134 -+stv06xx_write_sensor_32136 stv06xx_write_sensor 0 32136 NULL -+alloc_tx_32143 alloc_tx 2 32143 NULL -+target_stat_scsi_port_show_attr_busy_count_32144 target_stat_scsi_port_show_attr_busy_count 0 32144 NULL -+show_fc_rport_port_id_32145 show_fc_rport_port_id 0 32145 NULL -+pci_mmcfg_write_numachip_32147 pci_mmcfg_write_numachip 0 32147 NULL nohasharray -+set_activation_width_32147 set_activation_width 0-4 32147 &pci_mmcfg_write_numachip_32147 -+xfs_bmap_longest_free_extent_32148 xfs_bmap_longest_free_extent 0 32148 NULL -+sctp_outq_flush_rtx_32149 sctp_outq_flush_rtx 0 32149 NULL -+ecryptfs_getxattr_lower_32150 ecryptfs_getxattr_lower 0 32150 NULL -+bcmgenet_rx_refill_32157 bcmgenet_rx_refill 0 32157 NULL -+bind_32161 bind 0 32161 NULL -+i2c_smbus_write_byte_data_32162 i2c_smbus_write_byte_data 0 32162 NULL -+venus_link_32165 venus_link 5 32165 NULL -+channel_get_32166 channel_get 0 32166 NULL nohasharray -+s5p_jpeg_s_ctrl_32166 s5p_jpeg_s_ctrl 0 32166 &channel_get_32166 -+ocfs2_direct_IO_32168 ocfs2_direct_IO 4-0 32168 NULL -+cifs_statfs_32170 cifs_statfs 0 32170 NULL -+get_beep_32172 get_beep 0 32172 NULL -+do_writepages_32173 do_writepages 0 32173 NULL nohasharray -+ntfs_rl_realloc_nofail_32173 ntfs_rl_realloc_nofail 3 32173 &do_writepages_32173 -+arch_prepare_kprobe_32174 arch_prepare_kprobe 0 32174 NULL -+ch_do_scsi_32178 ch_do_scsi 5 32178 NULL -+nfs_file_write_32183 nfs_file_write 0 32183 NULL -+da9150_bulk_write_32184 da9150_bulk_write 2-3 32184 NULL -+ina209_show_alarm_32185 ina209_show_alarm 0 32185 NULL nohasharray -+_transport_get_enclosure_identifier_32185 _transport_get_enclosure_identifier 0 32185 &ina209_show_alarm_32185 -+validate_add_page_32189 validate_add_page 0 32189 NULL -+temp_get_32191 temp_get 0 32191 NULL -+ubi_wl_scrub_peb_32196 ubi_wl_scrub_peb 0 32196 NULL -+del_ptr_32197 del_ptr 4 32197 NULL -+show_spi_transport_offset_32198 show_spi_transport_offset 0 32198 NULL -+wusb_ccm_mac_32199 wusb_ccm_mac 7 32199 NULL -+pcxhr_hardware_timer_32206 pcxhr_hardware_timer 0 32206 NULL -+affs_statfs_32208 affs_statfs 0 32208 NULL -+riva_get_cmap_len_32218 riva_get_cmap_len 0 32218 NULL -+sch_gpio_direction_out_32222 sch_gpio_direction_out 0 32222 NULL -+lower_callback_32223 lower_callback 0 32223 NULL -+set_in_max3_32224 set_in_max3 0-4 32224 NULL -+open_patch_32229 open_patch 0 32229 NULL -+qlcnic_83xx_alloc_mbx_args_32233 qlcnic_83xx_alloc_mbx_args 0 32233 NULL -+cifs_lookup_cache_proc_write_32236 cifs_lookup_cache_proc_write 0-3 32236 NULL nohasharray -+lm3533_write_32236 lm3533_write 0 32236 &cifs_lookup_cache_proc_write_32236 -+ec_transaction_32239 ec_transaction 0 32239 NULL -+caif_seqpkt_recvmsg_32241 caif_seqpkt_recvmsg 4-0 32241 NULL -+lbs_lowrssi_read_32242 lbs_lowrssi_read 3-0 32242 NULL -+show_regs_in_max0_32247 show_regs_in_max0 0 32247 NULL -+efx_set_mac_address_32250 efx_set_mac_address 0 32250 NULL -+l2tp_ip6_connect_32252 l2tp_ip6_connect 0 32252 NULL -+cifs_super_get_key_32256 cifs_super_get_key 0 32256 NULL -+ext3_statfs_32257 ext3_statfs 0 32257 NULL -+ocfs2_xattr_find_entry_32260 ocfs2_xattr_find_entry 0 32260 NULL -+vxp_suspend_32262 vxp_suspend 0 32262 NULL -+dp_device_event_32266 dp_device_event 0 32266 NULL -+write_cam_control_32268 write_cam_control 0 32268 NULL -+pci_siig20x_init_32269 pci_siig20x_init 0 32269 NULL nohasharray -+natsemi_set_dspcfg_workaround_32269 natsemi_set_dspcfg_workaround 0-4 32269 &pci_siig20x_init_32269 -+store_in_max_32278 store_in_max 0-4 32278 NULL -+cgroup_write_notify_on_release_32281 cgroup_write_notify_on_release 0 32281 NULL -+runtime_resume_32282 runtime_resume 0 32282 NULL -+kernel_getpeername_32285 kernel_getpeername 0 32285 NULL -+show_control_32286 show_control 0 32286 NULL -+uart401_open_32288 uart401_open 0 32288 NULL -+l3_alloc_skb_32289 l3_alloc_skb 1 32289 NULL -+netvsc_send_pkt_32291 netvsc_send_pkt 0 32291 NULL -+alloc_ofld_rxqs_32293 alloc_ofld_rxqs 0 32293 NULL -+proc_sys_getattr_32297 proc_sys_getattr 0 32297 NULL -+sisusb_read_memio_long_32299 sisusb_read_memio_long 0 32299 NULL -+find_ci_32301 find_ci 0 32301 NULL -+lm3530_mode_set_32305 lm3530_mode_set 0-4 32305 NULL -+smbiosinstance_show_32307 smbiosinstance_show 0 32307 NULL -+vmalloc_user_32308 vmalloc_user 1 32308 NULL -+pm_async_show_32309 pm_async_show 0 32309 NULL -+si476x_cmd_tune_seek_freq_32310 si476x_cmd_tune_seek_freq 4-6 32310 NULL -+SyS_select_32319 SyS_select 1 32319 NULL -+wlcore_hw_init_vif_32322 wlcore_hw_init_vif 0 32322 NULL nohasharray -+write_undock_32322 write_undock 0-4 32322 &wlcore_hw_init_vif_32322 -+pm_stats_clear_32324 pm_stats_clear 0-3 32324 NULL -+i40evf_setup_all_tx_resources_32325 i40evf_setup_all_tx_resources 0 32325 NULL -+store_pwm_enable_32327 store_pwm_enable 0-4 32327 NULL -+patch_stac9872_32328 patch_stac9872 0 32328 NULL -+permissive_show_32335 permissive_show 0 32335 NULL nohasharray -+max_write_same_blocks_store_32335 max_write_same_blocks_store 0-4 32335 &permissive_show_32335 -+xfs_bmap_extsize_align_32338 xfs_bmap_extsize_align 0 32338 NULL -+parport_ieee1284_epp_write_addr_32339 parport_ieee1284_epp_write_addr 0 32339 NULL -+adummy_send_32340 adummy_send 0 32340 NULL nohasharray -+wl12xx_sdio_power_off_32340 wl12xx_sdio_power_off 0 32340 &adummy_send_32340 -+out_read_bytes_avail_show_32341 out_read_bytes_avail_show 0 32341 NULL -+t4_alloc_mem_32342 t4_alloc_mem 1 32342 NULL -+lpfc_num_discovered_ports_show_32346 lpfc_num_discovered_ports_show 0 32346 NULL -+__iscsi_tpg_auth_store_password_32349 __iscsi_tpg_auth_store_password 0-3 32349 NULL -+card_number_show_attr_32354 card_number_show_attr 0 32354 NULL -+show_sas_rphy_sas_address_32356 show_sas_rphy_sas_address 0 32356 NULL nohasharray -+chnl_net_open_32356 chnl_net_open 0 32356 &show_sas_rphy_sas_address_32356 -+dispatch_ioctl_32357 dispatch_ioctl 2 32357 NULL nohasharray -+rx_streaming_always_write_32357 rx_streaming_always_write 3-0 32357 &dispatch_ioctl_32357 -+ca0132_build_controls_32359 ca0132_build_controls 0 32359 NULL -+sel_read_initcon_32362 sel_read_initcon 3-0 32362 NULL nohasharray -+ReadHDLCPCI_32362 ReadHDLCPCI 0 32362 &sel_read_initcon_32362 -+hashtab_insert_32364 hashtab_insert 0 32364 NULL nohasharray -+inet_create_32364 inet_create 0 32364 &hashtab_insert_32364 -+dummy_systimer_prepare_32365 dummy_systimer_prepare 0 32365 NULL nohasharray -+event_file_read_32365 event_file_read 0-3 32365 &dummy_systimer_prepare_32365 -+igb_set_mac_32366 igb_set_mac 0 32366 NULL -+_drbd_bm_find_next_32372 _drbd_bm_find_next 2 32372 NULL nohasharray -+send_mpa_reply_32372 send_mpa_reply 3 32372 &_drbd_bm_find_next_32372 -+ubi_check_volume_32373 ubi_check_volume 0 32373 NULL -+klsi_105_get_line_state_32376 klsi_105_get_line_state 0 32376 NULL -+ds1343_nvram_read_32377 ds1343_nvram_read 0-5-6 32377 NULL nohasharray -+usbtmc_read_32377 usbtmc_read 0-3 32377 &ds1343_nvram_read_32377 -+root_port_show_32379 root_port_show 0 32379 NULL -+rtl8821ae_download_fw_32380 rtl8821ae_download_fw 0 32380 NULL -+show_sys_wmi_32385 show_sys_wmi 0 32385 NULL -+ipvlan_addr6_event_32387 ipvlan_addr6_event 0 32387 NULL -+x75create_32394 x75create 0 32394 NULL -+xfs_da3_node_toosmall_32396 xfs_da3_node_toosmall 0 32396 NULL -+runtime_suspend_32397 runtime_suspend 0 32397 NULL -+qla4_82xx_pci_mem_write_2M_32398 qla4_82xx_pci_mem_write_2M 2 32398 NULL nohasharray -+ll_setxattr_common_32398 ll_setxattr_common 4 32398 &qla4_82xx_pci_mem_write_2M_32398 -+xfs_iext_add_indirect_multi_32400 xfs_iext_add_indirect_multi 3 32400 NULL -+lpfc_info_show_32404 lpfc_info_show 0 32404 NULL nohasharray -+usecs_to_dev_32404 usecs_to_dev 0 32404 &lpfc_info_show_32404 nohasharray -+lbs_host_sleep_cfg_32404 lbs_host_sleep_cfg 0 32404 &usecs_to_dev_32404 -+vmci_qp_alloc_32405 vmci_qp_alloc 3-5 32405 NULL nohasharray -+ad7266_preenable_32405 ad7266_preenable 0 32405 &vmci_qp_alloc_32405 -+dm1105_i2c_xfer_32406 dm1105_i2c_xfer 0-3 32406 NULL -+fc2580_rd_regs_32407 fc2580_rd_regs 0 32407 NULL -+kovaplus_sysfs_show_actual_profile_32412 kovaplus_sysfs_show_actual_profile 0 32412 NULL nohasharray -+store_shost_eh_deadline_32412 store_shost_eh_deadline 0-4 32412 &kovaplus_sysfs_show_actual_profile_32412 -+lpfc_programtype_show_32416 lpfc_programtype_show 0 32416 NULL -+start_reshape_32423 start_reshape 0 32423 NULL nohasharray -+xadc_update_scan_mode_32423 xadc_update_scan_mode 0 32423 &start_reshape_32423 -+SyS_send_32424 SyS_send 3 32424 NULL -+at86rf230_set_frame_retries_32429 at86rf230_set_frame_retries 0 32429 NULL -+blk_mq_hw_sysfs_rq_list_show_32433 blk_mq_hw_sysfs_rq_list_show 0 32433 NULL -+ocfs2_active_cluster_plugin_show_32436 ocfs2_active_cluster_plugin_show 0 32436 NULL -+xfs_alloc_put_freelist_32437 xfs_alloc_put_freelist 0 32437 NULL -+bcm7xxx_28nm_b0_afe_config_init_32439 bcm7xxx_28nm_b0_afe_config_init 0 32439 NULL nohasharray -+break_ksm_32439 break_ksm 0 32439 &bcm7xxx_28nm_b0_afe_config_init_32439 -+fore200e_pca_proc_read_32440 fore200e_pca_proc_read 0 32440 NULL nohasharray -+cfq_set_leaf_weight_32440 cfq_set_leaf_weight 0 32440 &fore200e_pca_proc_read_32440 nohasharray -+reiserfs_direct_IO_32440 reiserfs_direct_IO 3 32440 &cfq_set_leaf_weight_32440 -+show_in16_32441 show_in16 0 32441 NULL -+axnet_resume_32442 axnet_resume 0 32442 NULL -+cx25840_s_ctrl_32444 cx25840_s_ctrl 0 32444 NULL -+hpfs_symlink_readpage_32450 hpfs_symlink_readpage 0 32450 NULL -+set_status_32456 set_status 0 32456 NULL -+sdev_format_header_32457 sdev_format_header 0-2 32457 NULL -+hid_input_report_32458 hid_input_report 4 32458 NULL nohasharray -+wm8350_block_read_32458 wm8350_block_read 0 32458 &hid_input_report_32458 nohasharray -+__ext4_handle_dirty_super_32458 __ext4_handle_dirty_super 0 32458 &wm8350_block_read_32458 -+ext4_file_write_iter_32461 ext4_file_write_iter 0 32461 NULL -+cache_status_32462 cache_status 5 32462 NULL -+show_fanin_32463 show_fanin 0 32463 NULL nohasharray -+ftrace_hash_ipmodify_enable_32463 ftrace_hash_ipmodify_enable 0 32463 &show_fanin_32463 -+fill_readbuf_32464 fill_readbuf 3-0 32464 NULL nohasharray -+w5300_open_32464 w5300_open 0 32464 &fill_readbuf_32464 -+ieee80211_fill_mesh_addresses_32465 ieee80211_fill_mesh_addresses 0 32465 NULL nohasharray -+show_session_param_ISCSI_PARAM_BIDI_CHAP_EN_32465 show_session_param_ISCSI_PARAM_BIDI_CHAP_EN 0 32465 &ieee80211_fill_mesh_addresses_32465 -+ina209_show_value_32470 ina209_show_value 0 32470 NULL -+dlm_callback_start_32473 dlm_callback_start 0 32473 NULL -+piix4_access_32474 piix4_access 0 32474 NULL -+ore_io_execute_32479 ore_io_execute 0 32479 NULL -+copy_result_to_user_32486 copy_result_to_user 0 32486 NULL -+kovaplus_sysfs_show_firmware_version_32487 kovaplus_sysfs_show_firmware_version 0 32487 NULL -+temp0_show_32489 temp0_show 0 32489 NULL -+cs42l52_beep_set_32491 cs42l52_beep_set 0-4 32491 NULL -+ide_driver_proc_write_32493 ide_driver_proc_write 3-0 32493 NULL -+snd_emu10k1_fx8010_playback_prepare_32494 snd_emu10k1_fx8010_playback_prepare 0 32494 NULL -+sh_eth_vlan_rx_add_vid_32495 sh_eth_vlan_rx_add_vid 0 32495 NULL -+fuse_setxattr_32496 fuse_setxattr 0 32496 NULL -+lp3943_gpio_direction_input_32499 lp3943_gpio_direction_input 0 32499 NULL -+amd_xgbe_phy_cur_mode_32503 amd_xgbe_phy_cur_mode 0 32503 NULL -+initialize_32504 initialize 0 32504 NULL -+fwnet_open_32505 fwnet_open 0 32505 NULL -+adv7170_g_fmt_32507 adv7170_g_fmt 0 32507 NULL -+wiimote_cmd_read_32510 wiimote_cmd_read 0 32510 NULL nohasharray -+adt7411_read_10_bit_32510 adt7411_read_10_bit 0-4 32510 &wiimote_cmd_read_32510 nohasharray 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-+radeon_get_pm_profile_32545 radeon_get_pm_profile 0 32545 NULL -+format_devstat_counter_32550 format_devstat_counter 3-0 32550 NULL -+iscsi_tpg_attrib_store_default_erl_32551 iscsi_tpg_attrib_store_default_erl 0-3 32551 NULL -+show_fcstat_fcp_packet_alloc_failures_32552 show_fcstat_fcp_packet_alloc_failures 0 32552 NULL -+device_change_notifier_32558 device_change_notifier 0 32558 NULL -+bitmap_store_32559 bitmap_store 0-3 32559 NULL -+ipgre_header_32561 ipgre_header 0 32561 NULL nohasharray -+alloc_dma_desc_resources_32561 alloc_dma_desc_resources 0 32561 &ipgre_header_32561 nohasharray -+__blockdev_direct_IO_32561 __blockdev_direct_IO 5-0 32561 &alloc_dma_desc_resources_32561 -+aes_encrypt_fail_read_32562 aes_encrypt_fail_read 3-0 32562 NULL -+loop_attr_backing_file_show_32564 loop_attr_backing_file_show 0 32564 NULL -+osc_iocontrol_32565 osc_iocontrol 3 32565 NULL -+smi_data_write_32567 smi_data_write 0-6-5 32567 NULL -+nilfs_segments_segments_number_show_32568 nilfs_segments_segments_number_show 0 32568 NULL -+listen_32570 listen 0 32570 NULL -+__vlan_add_32575 __vlan_add 0 32575 NULL -+pnp_mem_len_32584 pnp_mem_len 0 32584 NULL nohasharray -+wl12xx_update_sta_state_32584 wl12xx_update_sta_state 0 32584 &pnp_mem_len_32584 -+mem_swapout_entry_32586 mem_swapout_entry 3-0 32586 NULL nohasharray -+jid_show_32586 jid_show 0 32586 &mem_swapout_entry_32586 -+pipeline_tcp_tx_stat_fifo_int_read_32589 pipeline_tcp_tx_stat_fifo_int_read 3-0 32589 NULL -+ath10k_mac_set_rts_32591 ath10k_mac_set_rts 0 32591 NULL nohasharray -+bnx2x_exe_queue_add_32591 bnx2x_exe_queue_add 0 32591 &ath10k_mac_set_rts_32591 -+print_cpus_kernel_max_32592 print_cpus_kernel_max 0 32592 NULL -+erst_exec_subtract_value_32594 erst_exec_subtract_value 0 32594 NULL -+read_file_beacon_32595 read_file_beacon 3-0 32595 NULL -+nilfs_dat_prepare_alloc_32598 nilfs_dat_prepare_alloc 0 32598 NULL -+show_fcoe_fcf_device_mac_32601 show_fcoe_fcf_device_mac 0 32601 NULL -+ieee80211_if_read_dropped_frames_congestion_32603 ieee80211_if_read_dropped_frames_congestion 3-0 32603 NULL -+sys_set_mempolicy_32608 sys_set_mempolicy 3 32608 NULL nohasharray -+dma_alloc_pages_32608 dma_alloc_pages 3 32608 &sys_set_mempolicy_32608 nohasharray -+status_control_read_32608 status_control_read 0-5-6 32608 &dma_alloc_pages_32608 nohasharray -+vbi_out_buf_prepare_32608 vbi_out_buf_prepare 0 32608 &status_control_read_32608 -+replace_page_cache_page_32613 replace_page_cache_page 0 32613 NULL -+show_spi_transport_rti_32617 show_spi_transport_rti 0 32617 NULL -+smsc75xx_ethtool_get_eeprom_len_32621 smsc75xx_ethtool_get_eeprom_len 0 32621 NULL -+lx_pipe_start_32625 lx_pipe_start 0 32625 NULL -+cifs_writepage_32626 cifs_writepage 0 32626 NULL -+irda_recvmsg_dgram_32631 irda_recvmsg_dgram 4-0 32631 NULL -+cfg80211_roamed_32632 cfg80211_roamed 7-5 32632 NULL -+po1030_set_auto_white_balance_32633 po1030_set_auto_white_balance 0 32633 NULL -+vpivci_to_channel_32635 vpivci_to_channel 0 32635 NULL -+ieee80211_hdrlen_32637 ieee80211_hdrlen 0 32637 NULL -+nilfs_cpfile_get_checkpoint_32639 nilfs_cpfile_get_checkpoint 0 32639 NULL nohasharray -+phonet_device_notify_32639 phonet_device_notify 0 32639 &nilfs_cpfile_get_checkpoint_32639 -+show_abi_version_32641 show_abi_version 0 32641 NULL nohasharray -+_isl12057_rtc_read_time_32641 _isl12057_rtc_read_time 0 32641 &show_abi_version_32641 -+ite_decode_bytes_32642 ite_decode_bytes 3 32642 NULL -+rtl8187_cmd_reset_32643 rtl8187_cmd_reset 0 32643 NULL -+xpcs_reg_value_read_32644 xpcs_reg_value_read 3-0 32644 NULL -+kvmalloc_32646 kvmalloc 1 32646 NULL nohasharray -+niu_get_sset_count_32646 niu_get_sset_count 0 32646 &kvmalloc_32646 -+cxacru_sysfs_show_upstream_bits_per_frame_32651 cxacru_sysfs_show_upstream_bits_per_frame 0 32651 NULL -+generic_readlink_32654 generic_readlink 3-0 32654 NULL nohasharray -+ftrace_startup_32654 ftrace_startup 0 32654 &generic_readlink_32654 -+snd_seq_device_dev_register_32666 snd_seq_device_dev_register 0 32666 NULL -+get_unaligned_be24_32667 get_unaligned_be24 0 32667 NULL -+vbi_cap_start_streaming_32668 vbi_cap_start_streaming 0 32668 NULL -+move_addr_to_kernel_32673 move_addr_to_kernel 2-0 32673 NULL -+__exofs_wait_obj_created_32678 __exofs_wait_obj_created 0 32678 NULL -+compat_SyS_preadv_32679 compat_SyS_preadv 3 32679 NULL -+mxl111sf_tuner_write_reg_32683 mxl111sf_tuner_write_reg 0 32683 NULL nohasharray -+lp_read_32683 lp_read 0-3 32683 &mxl111sf_tuner_write_reg_32683 -+via_lock_rate_32684 via_lock_rate 0 32684 NULL -+family_show_32685 family_show 0 32685 NULL -+tps80031_set_bits_32686 tps80031_set_bits 0 32686 NULL -+blkdev_writepage_32693 blkdev_writepage 0 32693 NULL -+si4713_i2c_write_32696 si4713_i2c_write 0 32696 NULL -+bnad_vlan_rx_add_vid_32699 bnad_vlan_rx_add_vid 0 32699 NULL -+si3054_init_32700 si3054_init 0 32700 NULL -+jfs_readpages_32702 jfs_readpages 4 32702 NULL nohasharray -+evdev_write_32702 evdev_write 0-3 32702 &jfs_readpages_32702 -+security_get_32703 security_get 0 32703 NULL nohasharray -+cgroup_migrate_32703 cgroup_migrate 0 32703 &security_get_32703 -+check_bdq_32704 check_bdq 0 32704 NULL -+xfs_filestream_new_ag_32711 xfs_filestream_new_ag 0 32711 NULL -+rt2x00debug_read_queue_dump_32712 rt2x00debug_read_queue_dump 3-0 32712 NULL -+stv06xx_write_sensor_words_32713 stv06xx_write_sensor_words 0 32713 NULL nohasharray -+xfs_bmbt_update_32713 xfs_bmbt_update 0 32713 &stv06xx_write_sensor_words_32713 nohasharray -+acpi_processor_suspend_32713 acpi_processor_suspend 0 32713 &xfs_bmbt_update_32713 -+_xfs_buf_get_pages_32715 _xfs_buf_get_pages 2 32715 NULL nohasharray -+vmxnet3_rq_init_32715 vmxnet3_rq_init 0 32715 &_xfs_buf_get_pages_32715 -+usb_ma901radio_s_ctrl_32718 usb_ma901radio_s_ctrl 0 32718 NULL -+show_conn_param_ISCSI_PARAM_EXP_STATSN_32720 show_conn_param_ISCSI_PARAM_EXP_STATSN 0 32720 NULL -+rpm_resume_32734 rpm_resume 0 32734 NULL -+ncp_make_open_32735 ncp_make_open 0 32735 NULL -+ping_get_port_32738 ping_get_port 0 32738 NULL nohasharray -+team_netpoll_setup_32738 team_netpoll_setup 0 32738 &ping_get_port_32738 -+e1000_alloc_ring_dma_32741 e1000_alloc_ring_dma 0 32741 NULL -+i40e_pci_sriov_enable_32742 i40e_pci_sriov_enable 2-0 32742 NULL -+mcp251x_set_normal_mode_32743 mcp251x_set_normal_mode 0 32743 NULL nohasharray -+slc_open_32743 slc_open 0 32743 &mcp251x_set_normal_mode_32743 -+stats_read_ul_32751 stats_read_ul 3-0 32751 NULL -+stv06xx_isoc_nego_32752 stv06xx_isoc_nego 0 32752 NULL -+every_nth_show_32754 every_nth_show 0 32754 NULL -+__uncore_thr_show_32756 __uncore_thr_show 0 32756 NULL -+tg_set_cfs_bandwidth_32757 tg_set_cfs_bandwidth 0 32757 NULL -+iwl_dbgfs_fw_dbg_conf_write_32770 iwl_dbgfs_fw_dbg_conf_write 0-3 32770 NULL -+vmci_transport_dgram_dequeue_32775 vmci_transport_dgram_dequeue 4-0 32775 NULL -+qt2_write_32776 qt2_write 0-4 32776 NULL -+target_stat_scsi_dev_attr_store_32778 target_stat_scsi_dev_attr_store 0 32778 NULL -+pcxhr_get_clock_reg_32779 pcxhr_get_clock_reg 0 32779 NULL nohasharray -+wl1251_cmd_configure_32779 wl1251_cmd_configure 0 32779 &pcxhr_get_clock_reg_32779 -+show_state_field_32780 show_state_field 0 32780 NULL -+rt2800usb_set_device_state_32783 rt2800usb_set_device_state 0 32783 NULL -+sctp_tsnmap_grow_32784 sctp_tsnmap_grow 2 32784 NULL nohasharray -+vbi_cap_buf_prepare_32784 vbi_cap_buf_prepare 0 32784 &sctp_tsnmap_grow_32784 -+ebt_out_hook_32788 ebt_out_hook 0 32788 NULL -+qla2x00_diag_megabytes_show_32789 qla2x00_diag_megabytes_show 0 32789 NULL -+ocfs2_read_inode_block_full_32790 ocfs2_read_inode_block_full 0 32790 NULL nohasharray -+show_tcpPassiveOpens_32790 show_tcpPassiveOpens 0 32790 &ocfs2_read_inode_block_full_32790 nohasharray -+p54_get_stats_32790 p54_get_stats 0 32790 &show_tcpPassiveOpens_32790 -+iscsi_disc_show_password_mutual_32793 iscsi_disc_show_password_mutual 0 32793 NULL -+xfs_trans_read_buf_32795 xfs_trans_read_buf 0 32795 NULL -+mv88e6xxx_reg_write_32803 mv88e6xxx_reg_write 0 32803 NULL -+ath5k_hw_reset_32804 ath5k_hw_reset 0 32804 NULL -+rproc_name_read_32805 rproc_name_read 3-0 32805 NULL -+get_register_page_interruptible_32809 get_register_page_interruptible 0-5 32809 NULL nohasharray -+target_core_alua_tg_pt_gp_store_attr_nonop_delay_msecs_32809 target_core_alua_tg_pt_gp_store_attr_nonop_delay_msecs 0-3 32809 &get_register_page_interruptible_32809 nohasharray -+b43legacy_attr_preamble_store_32809 b43legacy_attr_preamble_store 0-4 32809 &target_core_alua_tg_pt_gp_store_attr_nonop_delay_msecs_32809 -+copy_name_32811 copy_name 0-3 32811 NULL -+ieee80211_tdls_mgmt_32825 ieee80211_tdls_mgmt 10 32825 NULL -+mac802154_wpan_update_llsec_32831 mac802154_wpan_update_llsec 0 32831 NULL -+video_autosw_get_32836 video_autosw_get 0 32836 NULL -+__ksize_32837 __ksize 0 32837 NULL -+stk17ta8_nvram_write_32843 stk17ta8_nvram_write 0-6-5 32843 NULL -+phy_set_clr_bits_32845 phy_set_clr_bits 0-3-4 32845 NULL -+vga_rseq_32848 vga_rseq 0 32848 NULL -+amd64_inject_write_store_32852 amd64_inject_write_store 0-4 32852 NULL -+hdpvr_s_ctrl_32855 hdpvr_s_ctrl 0 32855 NULL -+show_32860 show 0 32860 NULL -+sta_tx_latency_stat_read_32862 sta_tx_latency_stat_read 3-0 32862 NULL -+new_tape_buffer_32866 new_tape_buffer 2 32866 NULL -+io_apic_setup_irq_pin_32868 io_apic_setup_irq_pin 1 32868 NULL nohasharray -+__uncore_match_vnw_show_32868 __uncore_match_vnw_show 0 32868 &io_apic_setup_irq_pin_32868 -+mxl5007t_write_reg_32872 mxl5007t_write_reg 0 32872 NULL -+solo_osd_print_32873 solo_osd_print 0 32873 NULL -+sha1_final_32876 sha1_final 0 32876 NULL -+cifs_writedata_alloc_32880 cifs_writedata_alloc 1 32880 NULL nohasharray -+ath6kl_usb_submit_ctrl_in_32880 ath6kl_usb_submit_ctrl_in 6 32880 &cifs_writedata_alloc_32880 nohasharray -+__tcp_splice_read_32880 __tcp_splice_read 0 32880 &ath6kl_usb_submit_ctrl_in_32880 -+wl12xx_cmd_config_fwlog_32882 wl12xx_cmd_config_fwlog 0 32882 NULL -+vp702x_usb_inout_cmd_32884 vp702x_usb_inout_cmd 4-6 32884 NULL nohasharray -+_convert_lock_32884 _convert_lock 0 32884 &vp702x_usb_inout_cmd_32884 -+ocfs2_iterate_xattr_index_block_32885 ocfs2_iterate_xattr_index_block 0 32885 NULL -+r820t_write_reg_32889 r820t_write_reg 0 32889 NULL -+ath6kl_usb_post_recv_transfers_32892 ath6kl_usb_post_recv_transfers 2 32892 NULL nohasharray -+msp_s_ctrl_32892 msp_s_ctrl 0 32892 &ath6kl_usb_post_recv_transfers_32892 -+visorchannel_dump_section_32893 visorchannel_dump_section 4 32893 NULL -+get_pwm1_auto_point_pwm_32898 get_pwm1_auto_point_pwm 0 32898 NULL -+ext4_get_group_number_32899 ext4_get_group_number 0-2 32899 NULL -+ath5k_hw_set_power_mode_32901 ath5k_hw_set_power_mode 0 32901 NULL -+bonding_show_carrier_32902 bonding_show_carrier 0 32902 NULL nohasharray -+tsl2550_show_power_state_32902 tsl2550_show_power_state 0 32902 &bonding_show_carrier_32902 -+arvo_sysfs_show_mode_key_32906 arvo_sysfs_show_mode_key 0 32906 NULL nohasharray -+lpss_reg_read_32906 lpss_reg_read 0 32906 &arvo_sysfs_show_mode_key_32906 -+write_policy_show_32908 write_policy_show 0 32908 NULL -+show_fan16_32912 show_fan16 0 32912 NULL -+il_dbgfs_tx_stats_read_32913 il_dbgfs_tx_stats_read 3-0 32913 NULL -+add_bound_rdev_32915 add_bound_rdev 0 32915 NULL -+show_32916 show 0 32916 NULL -+mcp3422_show_samp_freqs_32924 mcp3422_show_samp_freqs 0 32924 NULL nohasharray -+hibernate_32924 hibernate 0 32924 &mcp3422_show_samp_freqs_32924 -+zlib_inflate_workspacesize_32927 zlib_inflate_workspacesize 0 32927 NULL -+xen_swiotlb_dma_mapping_error_32931 xen_swiotlb_dma_mapping_error 0-2 32931 NULL -+nfs_direct_IO_32932 nfs_direct_IO 0 32932 NULL -+hdmi_conf_apply_32934 hdmi_conf_apply 0 32934 NULL -+i40e_vsi_configure_rx_32937 i40e_vsi_configure_rx 0 32937 NULL -+add_dev_to_thread_32944 add_dev_to_thread 0 32944 NULL -+chip_mc_read_32945 chip_mc_read 0 32945 NULL -+store_temp_auto_boost_hyst_32950 store_temp_auto_boost_hyst 0-4 32950 NULL -+usbatm_atm_proc_read_32951 usbatm_atm_proc_read 0 32951 NULL nohasharray -+set_gpio_32951 set_gpio 0-4 32951 &usbatm_atm_proc_read_32951 -+mdiobus_write_32952 mdiobus_write 0 32952 NULL -+trusted_list_32953 trusted_list 0-5 32953 NULL -+target_core_dev_pr_show_attr_res_pr_holder_tg_port_32956 target_core_dev_pr_show_attr_res_pr_holder_tg_port 0 32956 NULL -+ext4_valid_block_bitmap_32958 ext4_valid_block_bitmap 3 32958 NULL -+xfs_log_reserve_32959 xfs_log_reserve 0 32959 NULL -+wl1251_acx_group_address_tbl_32961 wl1251_acx_group_address_tbl 0 32961 NULL -+afs_writeback_all_32967 afs_writeback_all 0 32967 NULL -+mwl8k_cmd_set_hw_spec_32968 mwl8k_cmd_set_hw_spec 0 32968 NULL -+sh_eth_dev_init_32971 sh_eth_dev_init 0 32971 NULL nohasharray -+ext4_group_overhead_blocks_32971 ext4_group_overhead_blocks 0 32971 &sh_eth_dev_init_32971 -+saa7706h_i2c_send_32979 saa7706h_i2c_send 3-0 32979 NULL -+show_selfballooning_32982 show_selfballooning 0 32982 NULL -+show_fnode_header_digest_32983 show_fnode_header_digest 0 32983 NULL -+kvaser_usb_set_opt_mode_32990 kvaser_usb_set_opt_mode 0 32990 NULL -+iwl_mvm_phy_ctxt_apply_33000 iwl_mvm_phy_ctxt_apply 0 33000 NULL nohasharray -+netdev_change_mtu_33000 netdev_change_mtu 0 33000 &iwl_mvm_phy_ctxt_apply_33000 -+fm_v4l2_fops_read_33006 fm_v4l2_fops_read 0-3 33006 NULL -+ext3_alloc_blocks_33007 ext3_alloc_blocks 0-3 33007 NULL nohasharray -+SyS_syslog_33007 SyS_syslog 3 33007 &ext3_alloc_blocks_33007 -+iwl_mvm_power_update_mac_33008 iwl_mvm_power_update_mac 0 33008 NULL -+rt_mutex_slowtrylock_33011 rt_mutex_slowtrylock 0 33011 NULL -+br_multicast_set_hash_max_33012 br_multicast_set_hash_max 2 33012 NULL -+nvkm_pmu_create__33013 nvkm_pmu_create_ 4 33013 NULL -+xfs_attr3_leaf_setflag_33014 xfs_attr3_leaf_setflag 0 33014 NULL -+efivar_attr_store_33016 efivar_attr_store 0-4 33016 NULL nohasharray -+snd_hda_parse_hdmi_codec_33016 snd_hda_parse_hdmi_codec 0 33016 &efivar_attr_store_33016 -+dibx000_i2c_master_xfer_gpio12_33018 dibx000_i2c_master_xfer_gpio12 0-3 33018 NULL -+write_file_bt_ant_diversity_33019 write_file_bt_ant_diversity 3-0 33019 NULL -+af9005_write_register_bits_33021 af9005_write_register_bits 0 33021 NULL -+st_magn_buffer_postenable_33025 st_magn_buffer_postenable 0 33025 NULL -+dapm_widget_show_33027 dapm_widget_show 0 33027 NULL -+int340x_thermal_get_trip_type_33029 int340x_thermal_get_trip_type 0 33029 NULL -+show_current_governor_33033 show_current_governor 0 33033 NULL -+make_reservation_33038 make_reservation 0 33038 NULL -+ata_scsi_em_message_store_33040 ata_scsi_em_message_store 0-4 33040 NULL -+cxgb4vf_get_sset_count_33041 cxgb4vf_get_sset_count 0 33041 NULL -+ov7670_s_hflip_33044 ov7670_s_hflip 0 33044 NULL -+show_ch_count_33045 show_ch_count 0 33045 NULL -+show_sgid_33048 show_sgid 0 33048 NULL -+SYSC_lgetxattr_33049 SYSC_lgetxattr 4 33049 NULL -+pipeline_dec_packet_in_fifo_full_read_33052 pipeline_dec_packet_in_fifo_full_read 3-0 33052 NULL -+ebt_compat_match_offset_33053 ebt_compat_match_offset 0-2 33053 NULL -+bitmap_resize_33054 bitmap_resize 2-0 33054 NULL nohasharray -+nfs_readpage_33054 nfs_readpage 0 33054 &bitmap_resize_33054 -+show_sas_phy_maximum_linkrate_hw_33056 show_sas_phy_maximum_linkrate_hw 0 33056 NULL nohasharray -+qlcnic_send_cmd_descs_33056 qlcnic_send_cmd_descs 0 33056 &show_sas_phy_maximum_linkrate_hw_33056 -+cifs_getattr_33057 cifs_getattr 0 33057 NULL -+target_stat_scsi_lu_show_attr_read_mbytes_33059 target_stat_scsi_lu_show_attr_read_mbytes 0 33059 NULL nohasharray -+intel_ring_flush_all_caches_33059 intel_ring_flush_all_caches 0 33059 &target_stat_scsi_lu_show_attr_read_mbytes_33059 -+stats_dot11RTSSuccessCount_read_33065 stats_dot11RTSSuccessCount_read 3-0 33065 NULL -+sel_read_checkreqprot_33068 sel_read_checkreqprot 3-0 33068 NULL -+vbi_buffer_prepare_33070 vbi_buffer_prepare 0 33070 NULL -+gfs2_write_end_33073 gfs2_write_end 0-5 33073 NULL -+target_stat_scsi_dev_show_attr_role_33074 target_stat_scsi_dev_show_attr_role 0 33074 NULL nohasharray -+ff_write_ee_33074 ff_write_ee 0-2-4 33074 &target_stat_scsi_dev_show_attr_role_33074 -+__key_instantiate_and_link_33075 __key_instantiate_and_link 0 33075 NULL -+tomoyo_write_33076 tomoyo_write 0-3 33076 NULL -+dsa_slave_set_mac_address_33080 dsa_slave_set_mac_address 0 33080 NULL -+i8xx_pipe_crc_ctl_reg_33082 i8xx_pipe_crc_ctl_reg 0 33082 NULL -+acl_permission_check_33083 acl_permission_check 0 33083 NULL nohasharray -+si476x_radio_s_ctrl_33083 si476x_radio_s_ctrl 0 33083 &acl_permission_check_33083 -+os_desc_b_vendor_code_show_33087 os_desc_b_vendor_code_show 0 33087 NULL -+fcoe_cpu_callback_33094 fcoe_cpu_callback 0 33094 NULL -+snd_cx88_prepare_33099 snd_cx88_prepare 0 33099 NULL -+drv_attr_store_33101 drv_attr_store 0-4 33101 NULL -+vnic_dev_cmd_no_proxy_33109 vnic_dev_cmd_no_proxy 0 33109 NULL -+iscsi_tpg_param_store_MaxOutstandingR2T_33111 iscsi_tpg_param_store_MaxOutstandingR2T 0-3 33111 NULL -+ieee80211_fragment_33112 ieee80211_fragment 4 33112 NULL nohasharray -+dump_cr_33112 dump_cr 0 33112 &ieee80211_fragment_33112 nohasharray -+metadata_store_33112 metadata_store 0-3 33112 &dump_cr_33112 -+nf_nat_ipv4_local_fn_33119 nf_nat_ipv4_local_fn 0 33119 NULL nohasharray -+set_beep_33119 set_beep 0-4 33119 &nf_nat_ipv4_local_fn_33119 -+write_node_33121 write_node 4-0 33121 NULL -+llc_ui_sendmsg_33123 llc_ui_sendmsg 3 33123 NULL -+virtual_gb_store_33126 virtual_gb_store 0-3 33126 NULL -+fb_sys_write_33130 fb_sys_write 3 33130 NULL nohasharray -+cxgb4_inet6addr_handler_33130 cxgb4_inet6addr_handler 0 33130 &fb_sys_write_33130 -+sas_change_queue_depth_33131 sas_change_queue_depth 2-0 33131 NULL -+show_fcoe_ctlr_device_err_block_33135 show_fcoe_ctlr_device_err_block 0 33135 NULL nohasharray -+asm_rev_show_33135 asm_rev_show 0 33135 &show_fcoe_ctlr_device_err_block_33135 nohasharray -+i40e_vsi_add_vlan_33135 i40e_vsi_add_vlan 0 33135 &asm_rev_show_33135 -+iwl_mvm_mac_ctx_send_33141 iwl_mvm_mac_ctx_send 0 33141 NULL -+backlog_show_33143 backlog_show 0 33143 NULL nohasharray 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bq2415x_i2c_write 0 33181 NULL -+store_fc_private_host_tgtid_bind_type_33187 store_fc_private_host_tgtid_bind_type 0-4 33187 NULL -+hfsplus_security_listxattr_33189 hfsplus_security_listxattr 0-5 33189 NULL nohasharray -+il3945_dump_error_log_33189 il3945_dump_error_log 0-4 33189 &hfsplus_security_listxattr_33189 -+rtl_usb_start_33190 rtl_usb_start 0 33190 NULL nohasharray -+iwl_mvm_mac_ctxt_add_33190 iwl_mvm_mac_ctxt_add 0 33190 &rtl_usb_start_33190 -+nvkm_fuse_create__33192 nvkm_fuse_create_ 4 33192 NULL -+flash_store_33203 flash_store 0-4 33203 NULL -+dataflash_read_fact_otp_33204 dataflash_read_fact_otp 3-2 33204 NULL nohasharray -+r820t_write_reg_mask_33204 r820t_write_reg_mask 0 33204 &dataflash_read_fact_otp_33204 -+pp_read_33210 pp_read 3-0 33210 NULL nohasharray -+xen_allocate_irqs_dynamic_33210 xen_allocate_irqs_dynamic 1 33210 &pp_read_33210 nohasharray -+ax_open_33210 ax_open 0 33210 &xen_allocate_irqs_dynamic_33210 -+reqbufs_capture_33214 reqbufs_capture 0 33214 NULL 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35440 NULL -+adp8870_bl_l2_bright_max_show_35446 adp8870_bl_l2_bright_max_show 0 35446 NULL -+pci_siig_init_35448 pci_siig_init 0 35448 NULL -+bq24190_read_35453 bq24190_read 0 35453 NULL -+rdev_get_id_35454 rdev_get_id 0 35454 NULL -+asiliantfb_set_par_35455 asiliantfb_set_par 0 35455 NULL -+frame_ready_nolock_35459 frame_ready_nolock 0 35459 NULL -+efx_mcdi_rpc_async_quiet_35460 efx_mcdi_rpc_async_quiet 5-4 35460 NULL -+vmxnet3_change_mtu_35464 vmxnet3_change_mtu 0 35464 NULL -+rndis_filter_open_device_35471 rndis_filter_open_device 0 35471 NULL -+palmas_rtc_set_alarm_35472 palmas_rtc_set_alarm 0 35472 NULL -+ds2780_get_sense_resistor_value_35477 ds2780_get_sense_resistor_value 0 35477 NULL nohasharray -+mlog_mask_show_35477 mlog_mask_show 0 35477 &ds2780_get_sense_resistor_value_35477 -+dlm_user_purge_35479 dlm_user_purge 0 35479 NULL nohasharray -+attention_write_file_35479 attention_write_file 0-3 35479 &dlm_user_purge_35479 -+show_eeprom4_35483 show_eeprom4 0 35483 NULL 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35690 NULL nohasharray -+snd_sb16_capture_prepare_35690 snd_sb16_capture_prepare 0 35690 &SYSC_pwritev_35690 -+rds_page_copy_user_35691 rds_page_copy_user 4 35691 NULL nohasharray -+p54_start_35691 p54_start 0 35691 &rds_page_copy_user_35691 -+cx2341x_s_ctrl_35698 cx2341x_s_ctrl 0 35698 NULL -+md_super_write_35703 md_super_write 4 35703 NULL -+sctp_listen_start_35709 sctp_listen_start 0 35709 NULL -+toshiba_panel_power_on_get_35719 toshiba_panel_power_on_get 0 35719 NULL -+bnx2_change_mac_addr_35722 bnx2_change_mac_addr 0 35722 NULL -+i2c_smbus_write_block_data_35723 i2c_smbus_write_block_data 0 35723 NULL nohasharray -+mv88e6xxx_phy_page_write_35723 mv88e6xxx_phy_page_write 0 35723 &i2c_smbus_write_block_data_35723 -+mlx4_internal_err_ret_value_35725 mlx4_internal_err_ret_value 0 35725 NULL -+vfio_fops_read_35733 vfio_fops_read 0-3 35733 NULL -+ipr_copy_ucode_buffer_35736 ipr_copy_ucode_buffer 0 35736 NULL -+read_35737 read 0 35737 NULL nohasharray -+sd_start_ov361x_35737 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show_fnode_username 0 36398 NULL -+afs_alloc_flat_call_36399 afs_alloc_flat_call 2-3 36399 NULL nohasharray -+__uncore_filter_link2_show_36399 __uncore_filter_link2_show 0 36399 &afs_alloc_flat_call_36399 nohasharray -+xennet_change_mtu_36399 xennet_change_mtu 0 36399 &__uncore_filter_link2_show_36399 -+sierra_write_36402 sierra_write 4-0 36402 NULL -+rx_over_errors_show_36403 rx_over_errors_show 0 36403 NULL nohasharray -+iwl_dbgfs_d3_sram_write_36403 iwl_dbgfs_d3_sram_write 0-3 36403 &rx_over_errors_show_36403 -+_iwl_dbgfs_uapsd_misbehaving_write_36405 _iwl_dbgfs_uapsd_misbehaving_write 3-0 36405 NULL -+selinux_inode_listsecurity_36406 selinux_inode_listsecurity 0 36406 NULL -+qdsb_get_36409 qdsb_get 0 36409 NULL -+msb_update_block_36412 msb_update_block 2 36412 NULL nohasharray -+gadget_dev_desc_bcdUSB_show_36412 gadget_dev_desc_bcdUSB_show 0 36412 &msb_update_block_36412 -+teles_suspend_36416 teles_suspend 0 36416 NULL -+da9063_buck_get_status_36417 da9063_buck_get_status 0 36417 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-+crypto_shash_update_41802 crypto_shash_update 0 41802 &hsi_alloc_controller_41802 -+show_contrast_41806 show_contrast 0 41806 NULL -+fat_write_end_41812 fat_write_end 5-0 41812 NULL nohasharray -+rtw_android_get_macaddr_41812 rtw_android_get_macaddr 0 41812 &fat_write_end_41812 -+da9052_enable_irq_41814 da9052_enable_irq 2 41814 NULL nohasharray -+input_dev_show_name_41814 input_dev_show_name 0 41814 &da9052_enable_irq_41814 -+sco_send_frame_41815 sco_send_frame 3-0 41815 NULL nohasharray -+validate_device_41815 validate_device 0 41815 &sco_send_frame_41815 -+ecryptfs_write_begin_41816 ecryptfs_write_begin 0 41816 NULL -+ov7670_write_i2c_41817 ov7670_write_i2c 0 41817 NULL -+ocfs2_write_end_41820 ocfs2_write_end 0-5 41820 NULL -+_ctl_io_delay_show_41822 _ctl_io_delay_show 0 41822 NULL -+ieee802154_hdr_push_41823 ieee802154_hdr_push 0 41823 NULL -+show_ipFragFails_41824 show_ipFragFails 0 41824 NULL -+acpi_device_set_power_41826 acpi_device_set_power 0 41826 NULL -+kimage_file_alloc_init_41827 kimage_file_alloc_init 5 41827 NULL -+_i8k_get_temp_41837 _i8k_get_temp 0 41837 NULL -+test_irq_show_41838 test_irq_show 0 41838 NULL -+ixgbe_dbg_netdev_ops_read_41839 ixgbe_dbg_netdev_ops_read 3-0 41839 NULL -+em28xx_read_reg_req_41842 em28xx_read_reg_req 0 41842 NULL nohasharray -+i40evf_setup_all_rx_resources_41842 i40evf_setup_all_rx_resources 0 41842 &em28xx_read_reg_req_41842 -+int340x_thermal_get_trip_temp_41843 int340x_thermal_get_trip_temp 0 41843 NULL -+do_ip_setsockopt_41852 do_ip_setsockopt 5-0 41852 NULL -+tcp_packets_in_flight_41853 tcp_packets_in_flight 0 41853 NULL -+keyctl_instantiate_key_41855 keyctl_instantiate_key 3 41855 NULL nohasharray -+unexport_store_41855 unexport_store 0-4 41855 &keyctl_instantiate_key_41855 -+xfs_rtget_summary_41864 xfs_rtget_summary 0 41864 NULL nohasharray -+hid_sensor_data_rdy_trigger_set_state_41864 hid_sensor_data_rdy_trigger_set_state 0 41864 &xfs_rtget_summary_41864 -+amd_uncore_attr_show_cpumask_41867 amd_uncore_attr_show_cpumask 0 41867 NULL -+pci_map_single_41869 pci_map_single 0 41869 NULL -+tg3_init_rings_41872 tg3_init_rings 0 41872 NULL -+cachefiles_daemon_fstop_41874 cachefiles_daemon_fstop 0 41874 NULL -+acpi_ut_acquire_mutex_41878 acpi_ut_acquire_mutex 0 41878 NULL nohasharray -+btrfs_file_write_iter_41878 btrfs_file_write_iter 0 41878 &acpi_ut_acquire_mutex_41878 -+store_nfilters_41883 store_nfilters 4-0 41883 NULL -+__dev_queue_xmit_41888 __dev_queue_xmit 0 41888 NULL -+nf_nat_ipv4_out_41891 nf_nat_ipv4_out 0 41891 NULL -+target_stat_scsi_dev_show_attr_indx_41895 target_stat_scsi_dev_show_attr_indx 0 41895 NULL -+qla2x00_beacon_store_41899 qla2x00_beacon_store 0-4 41899 NULL -+snd_cx25821_card_trigger_41908 snd_cx25821_card_trigger 0 41908 NULL -+mantis_i2c_write_41910 mantis_i2c_write 0 41910 NULL -+pem_show_bool_41911 pem_show_bool 0 41911 NULL nohasharray -+bch_cache_store_41911 bch_cache_store 0-4 41911 &pem_show_bool_41911 -+C_SYSC_mq_timedsend_41914 C_SYSC_mq_timedsend 3 41914 NULL nohasharray -+get_packet_41914 get_packet 3 41914 &C_SYSC_mq_timedsend_41914 nohasharray -+mem_show_41914 mem_show 0 41914 &get_packet_41914 -+get_fdb_entries_41916 get_fdb_entries 3 41916 NULL -+build_inv_iotlb_pages_41922 build_inv_iotlb_pages 4-5 41922 NULL -+show_use_blk_mq_41924 show_use_blk_mq 0 41924 NULL nohasharray -+ecryptfs_setxattr_41924 ecryptfs_setxattr 0 41924 &show_use_blk_mq_41924 nohasharray -+mtrr_del_page_41924 mtrr_del_page 0-1 41924 &ecryptfs_setxattr_41924 -+isl1208_rtc_toggle_alarm_41925 isl1208_rtc_toggle_alarm 0 41925 NULL -+pci_dev_show_local_cpu_41927 pci_dev_show_local_cpu 0 41927 NULL nohasharray -+qmi_wwan_manage_power_41927 qmi_wwan_manage_power 0 41927 &pci_dev_show_local_cpu_41927 -+em2800_i2c_recv_bytes_41929 em2800_i2c_recv_bytes 0 41929 NULL nohasharray -+dbg_old_index_check_init_41929 dbg_old_index_check_init 0 41929 &em2800_i2c_recv_bytes_41929 -+txq_init_41933 txq_init 0 41933 NULL -+vhci_create_device_41934 vhci_create_device 0 41934 NULL -+ext4_da_write_inline_data_begin_41935 ext4_da_write_inline_data_begin 4-3 41935 NULL -+i40evf_change_mtu_41943 i40evf_change_mtu 0 41943 NULL -+sci_rxfill_41945 sci_rxfill 0 41945 NULL -+read_gssp_41947 read_gssp 3-0 41947 NULL -+iscsi_iser_recv_41948 iscsi_iser_recv 4 41948 NULL -+ocfs2_xattr_bucket_get_name_value_41949 ocfs2_xattr_bucket_get_name_value 0 41949 NULL nohasharray -+smack_inode_permission_41949 smack_inode_permission 0 41949 &ocfs2_xattr_bucket_get_name_value_41949 -+skcipher_alloc_sgl_41956 skcipher_alloc_sgl 0 41956 NULL -+show_fc_host_fabric_name_41957 show_fc_host_fabric_name 0 41957 NULL -+portnames_read_41958 portnames_read 3-0 41958 NULL -+ubi_self_check_all_ff_41959 ubi_self_check_all_ff 4-0 41959 NULL nohasharray -+pyra_sysfs_read_profilex_buttons_41959 pyra_sysfs_read_profilex_buttons 0-5-6 41959 &ubi_self_check_all_ff_41959 -+show_sched6_41960 show_sched6 0 41960 NULL -+show_als_41966 show_als 0 41966 NULL nohasharray 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-+fan_set_cur_state_42012 fan_set_cur_state 0 42012 &af9035_i2c_master_xfer_42012 -+spidev_sync_read_42014 spidev_sync_read 0 42014 NULL -+rs_sta_dbgfs_scale_table_write_42017 rs_sta_dbgfs_scale_table_write 3-0 42017 NULL -+ath10k_write_nf_cal_period_42019 ath10k_write_nf_cal_period 3-0 42019 NULL -+sony_pic_fanspeed_show_42021 sony_pic_fanspeed_show 0 42021 NULL -+create_port0_egr_42027 create_port0_egr 0 42027 NULL -+acpi_ut_create_buffer_object_42030 acpi_ut_create_buffer_object 1 42030 NULL -+ql_cam_route_initialize_42031 ql_cam_route_initialize 0 42031 NULL -+device_get_child_node_count_42032 device_get_child_node_count 0 42032 NULL -+__hwahc_op_set_gtk_42038 __hwahc_op_set_gtk 4 42038 NULL -+alloc_trace_kprobe_42041 alloc_trace_kprobe 6 42041 NULL -+acpi_power_on_42044 acpi_power_on 0 42044 NULL -+xfs_allocbt_free_block_42045 xfs_allocbt_free_block 0 42045 NULL -+irda_sendmsg_ultra_42047 irda_sendmsg_ultra 4-0 42047 NULL nohasharray -+qlcnic_sriov_func_to_index_42047 qlcnic_sriov_func_to_index 0 42047 &irda_sendmsg_ultra_42047 -+jffs2_do_link_42048 jffs2_do_link 6 42048 NULL nohasharray -+dma_generic_alloc_coherent_42048 dma_generic_alloc_coherent 2 42048 &jffs2_do_link_42048 -+ps_poll_upsd_max_ap_turn_read_42050 ps_poll_upsd_max_ap_turn_read 3-0 42050 NULL nohasharray -+__uncore_match0_show_42050 __uncore_match0_show 0 42050 &ps_poll_upsd_max_ap_turn_read_42050 -+get_xstats_size_42051 get_xstats_size 0 42051 NULL -+compat_sys_sendfile_42055 compat_sys_sendfile 4 42055 NULL -+v9fs_vfs_writepage_42056 v9fs_vfs_writepage 0 42056 NULL -+iwl_mvm_scan_size_42057 iwl_mvm_scan_size 0 42057 NULL -+rpipe_aim_42059 rpipe_aim 0 42059 NULL -+show_tcpAttemptFails_42066 show_tcpAttemptFails 0 42066 NULL nohasharray -+asix_set_mac_address_42066 asix_set_mac_address 0 42066 &show_tcpAttemptFails_42066 -+bh1770_get_lux_rate_avail_42067 bh1770_get_lux_rate_avail 0 42067 NULL -+ceph_readpage_from_fscache_42073 ceph_readpage_from_fscache 0 42073 NULL nohasharray -+store_target_speed_42073 store_target_speed 0-4 42073 &ceph_readpage_from_fscache_42073 -+ql_write_cfg_42074 ql_write_cfg 0 42074 NULL -+show_conn_param_ISCSI_PARAM_PERSISTENT_PORT_42076 show_conn_param_ISCSI_PARAM_PERSISTENT_PORT 0 42076 NULL -+named_prepare_buf_42077 named_prepare_buf 3 42077 NULL -+si4713_powerdown_42078 si4713_powerdown 0 42078 NULL -+ath10k_ce_init_src_ring_42080 ath10k_ce_init_src_ring 0 42080 NULL -+SMB2_read_42082 SMB2_read 0 42082 NULL -+bat1_show_42084 bat1_show 0 42084 NULL -+alloc_bitset_42085 alloc_bitset 1 42085 NULL -+scsi_execute_req_42088 scsi_execute_req 5 42088 NULL -+store_rotate_all_42089 store_rotate_all 0-4 42089 NULL -+dfx_open_42091 dfx_open 0 42091 NULL -+sh_eth_reset_42097 sh_eth_reset 0 42097 NULL -+dlm_release_lockspace_42098 dlm_release_lockspace 0 42098 NULL -+ext4_sync_file_42100 ext4_sync_file 0 42100 NULL -+rtc_sysfs_show_wakealarm_42102 rtc_sysfs_show_wakealarm 0 42102 NULL -+show_bank2_alarm_42104 show_bank2_alarm 0 42104 NULL -+bcmgenet_init_dma_42105 bcmgenet_init_dma 0 42105 NULL -+submit_inquiry_42108 submit_inquiry 3 42108 NULL nohasharray -+brport_store_42108 brport_store 0-4 42108 &submit_inquiry_42108 -+dw_dma_cyclic_prep_42113 dw_dma_cyclic_prep 4-3 42113 NULL -+ubifs_tnc_read_node_42119 ubifs_tnc_read_node 0 42119 NULL -+ext4_do_update_inode_42127 ext4_do_update_inode 0 42127 NULL -+notify_send_init_42129 notify_send_init 0 42129 NULL -+Read_hfc16_stable_42131 Read_hfc16_stable 0 42131 NULL -+si476x_core_parse_and_nag_about_error_42136 si476x_core_parse_and_nag_about_error 0 42136 NULL -+bb_buf_prepare_42137 bb_buf_prepare 0 42137 NULL -+threads_start_42139 threads_start 0 42139 NULL -+bq24190_sysfs_show_42146 bq24190_sysfs_show 0 42146 NULL -+lapb_register_42149 lapb_register 0 42149 NULL nohasharray -+efx_change_mtu_42149 efx_change_mtu 0 42149 &lapb_register_42149 -+ubifs_lookup_level0_42156 ubifs_lookup_level0 0 42156 NULL -+iwl_mvm_mac_ctxt_init_42158 iwl_mvm_mac_ctxt_init 0 42158 NULL -+blk_ioctl_zeroout_42160 blk_ioctl_zeroout 3 42160 NULL -+mmc_align_data_size_42161 mmc_align_data_size 0-2 42161 NULL nohasharray -+af9015_i2c_xfer_42161 af9015_i2c_xfer 0-3 42161 &mmc_align_data_size_42161 -+mv_u3d_ep_queue_42164 mv_u3d_ep_queue 0 42164 NULL -+gadget_strings_serialnumber_store_42166 gadget_strings_serialnumber_store 0-3 42166 NULL -+ceph_vxattrcb_layout_pool_42167 ceph_vxattrcb_layout_pool 0 42167 NULL nohasharray -+pps_enable_store_42167 pps_enable_store 0-4 42167 &ceph_vxattrcb_layout_pool_42167 nohasharray -+store_host_reset_42167 store_host_reset 0-4 42167 &pps_enable_store_42167 -+read_file_base_eeprom_42168 read_file_base_eeprom 3-0 42168 NULL -+gfs2_statfs_slow_42170 gfs2_statfs_slow 0 42170 NULL -+iwl_mvm_send_cmd_42173 iwl_mvm_send_cmd 0 42173 NULL nohasharray -+max8998_ldo_disable_42173 max8998_ldo_disable 0 42173 &iwl_mvm_send_cmd_42173 -+power_restore_42174 power_restore 0 42174 NULL -+at86rf230_set_lbt_42175 at86rf230_set_lbt 0 42175 NULL -+shash_finup_unaligned_42176 shash_finup_unaligned 0 42176 NULL -+oprofilefs_str_to_user_42182 oprofilefs_str_to_user 3-0 42182 NULL -+dn_dev_bind_default_42183 dn_dev_bind_default 0 42183 NULL -+show_rc6_mask_42184 show_rc6_mask 0 42184 NULL -+write_file_beacon_42185 write_file_beacon 3-0 42185 NULL -+mwifiex_cmd_amsdu_aggr_ctrl_42192 mwifiex_cmd_amsdu_aggr_ctrl 0 42192 NULL -+reset_slot_42194 reset_slot 0 42194 NULL -+crc32_pclmul_finup_42200 crc32_pclmul_finup 0 42200 NULL -+get_znodes_to_commit_42201 get_znodes_to_commit 0 42201 NULL -+hdlcdrv_open_42202 hdlcdrv_open 0 42202 NULL -+sprom2hex_42204 sprom2hex 0 42204 NULL -+v9fs_write_begin_42211 v9fs_write_begin 0 42211 NULL -+ixgbe_add_mac_filter_42218 ixgbe_add_mac_filter 0 42218 NULL -+cifs_listxattr_42223 cifs_listxattr 0-3 42223 NULL -+s35390a_rtc_set_alarm_42224 s35390a_rtc_set_alarm 0 42224 NULL -+qlge_set_mac_address_42227 qlge_set_mac_address 0 42227 NULL -+pla_ocp_read_42235 pla_ocp_read 3 42235 NULL nohasharray -+blockdev_direct_IO_42235 blockdev_direct_IO 0-5 42235 &pla_ocp_read_42235 -+nilfs_segments_blocks_per_segment_show_42237 nilfs_segments_blocks_per_segment_show 0 42237 NULL -+pci_user_read_config_word_42240 pci_user_read_config_word 0 42240 NULL nohasharray -+i915_l3_write_42240 i915_l3_write 0-6-5 42240 &pci_user_read_config_word_42240 -+snd_pcm_pre_suspend_42241 snd_pcm_pre_suspend 0 42241 NULL -+xfs_rtfree_range_42244 xfs_rtfree_range 0 42244 NULL -+pch_gbe_up_42245 pch_gbe_up 0 42245 NULL -+store_mlid_42247 store_mlid 0-4 42247 NULL -+islpci_reset_if_42249 islpci_reset_if 0 42249 NULL -+usbtv_start_42251 usbtv_start 0 42251 NULL -+v9fs_vfs_setattr_42252 v9fs_vfs_setattr 0 42252 NULL -+rx_defrag_need_decrypt_read_42253 rx_defrag_need_decrypt_read 3-0 42253 NULL -+resources_store_42255 resources_store 0-4 42255 NULL -+netxen_nic_map_indirect_address_128M_42257 netxen_nic_map_indirect_address_128M 2 42257 NULL nohasharray -+amd5536_udc_start_42257 amd5536_udc_start 0 42257 &netxen_nic_map_indirect_address_128M_42257 -+find_last_bit_42260 find_last_bit 0-2 42260 NULL -+show_fc_host_port_name_42264 show_fc_host_port_name 0 42264 NULL -+ctnetlink_proto_size_42270 ctnetlink_proto_size 0 42270 NULL -+__pcpu_size_to_slot_42271 __pcpu_size_to_slot 0 42271 NULL -+__tty_buffer_request_room_42276 __tty_buffer_request_room 2-0 42276 NULL -+snd_pcm_hw_param_value_max_42280 snd_pcm_hw_param_value_max 0 42280 NULL nohasharray -+pinctrl_gpio_direction_output_42280 pinctrl_gpio_direction_output 0 42280 &snd_pcm_hw_param_value_max_42280 -+rtnl_link_get_af_size_42296 rtnl_link_get_af_size 0 42296 NULL -+xadc_preenable_42298 xadc_preenable 0 42298 NULL -+__cpus_weight_42299 __cpus_weight 0 42299 NULL -+sel_read_perm_42302 sel_read_perm 3-0 42302 NULL -+xfs_attr3_leaf_add_work_42303 xfs_attr3_leaf_add_work 0 42303 NULL -+sctp_setsockopt_del_key_42304 sctp_setsockopt_del_key 3-0 42304 NULL nohasharray -+ulong_read_file_42304 ulong_read_file 3-0 42304 &sctp_setsockopt_del_key_42304 -+key_payload_reserve_42307 key_payload_reserve 0 42307 NULL -+xfs_vm_readpages_42308 xfs_vm_readpages 4 42308 NULL -+sco_sock_getname_42312 sco_sock_getname 0 42312 NULL -+bnep_sock_create_42314 bnep_sock_create 0 42314 NULL -+qlcnic_sriov_pf_set_vport_info_42316 qlcnic_sriov_pf_set_vport_info 0 42316 NULL -+osdname_show_42317 osdname_show 0 42317 NULL -+max_luns_show_42319 max_luns_show 0 42319 NULL -+axxia_i2c_xfer_42322 axxia_i2c_xfer 0-3 42322 NULL nohasharray -+bcm_tx_send_42322 bcm_tx_send 0 42322 &axxia_i2c_xfer_42322 -+hysdn_conf_read_42324 hysdn_conf_read 3 42324 NULL -+ov772x_g_crop_42326 ov772x_g_crop 0 42326 NULL -+tcp_sync_mss_42330 tcp_sync_mss 2-0 42330 NULL -+bh1770_get_lux_thresh_below_42336 bh1770_get_lux_thresh_below 0 42336 NULL -+snd_pcm_plug_alloc_42339 snd_pcm_plug_alloc 2-0 42339 NULL -+regulator_state_show_42345 regulator_state_show 0 42345 NULL nohasharray -+store_42345 store 0-3 42345 &regulator_state_show_42345 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42393 NULL -+cx25821_start_streaming_42395 cx25821_start_streaming 0 42395 NULL -+r9701_get_datetime_42402 r9701_get_datetime 0 42402 NULL -+brcms_ops_add_interface_42403 brcms_ops_add_interface 0 42403 NULL -+msnd_fifo_read_42406 msnd_fifo_read 0-3 42406 NULL -+pci_resource_alignment_store_42407 pci_resource_alignment_store 0-3 42407 NULL -+SYSC_recv_42413 SYSC_recv 3 42413 NULL -+store_spi_transport_period_helper_42414 store_spi_transport_period_helper 0-3 42414 NULL -+qlcnic_sriov_prepare_bc_hdr_42416 qlcnic_sriov_prepare_bc_hdr 0 42416 NULL -+krng_get_random_42420 krng_get_random 3 42420 NULL -+wm831x_clkout_prepare_42426 wm831x_clkout_prepare 0 42426 NULL -+ixgbevf_write_posted_mbx_42428 ixgbevf_write_posted_mbx 0 42428 NULL -+device_read_42432 device_read 0-3 42432 NULL -+__iio_add_chan_devattr_42434 __iio_add_chan_devattr 0 42434 NULL nohasharray -+ixgbevf_poll_for_msg_42434 ixgbevf_poll_for_msg 0 42434 &__iio_add_chan_devattr_42434 -+btrfs_nodesize_show_42436 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ext3_valid_block_bitmap 3 42459 NULL -+show_lcdtype_42462 show_lcdtype 0 42462 NULL -+show_lid_resume_42464 show_lid_resume 0 42464 NULL -+strobe_set_42472 strobe_set 0 42472 NULL -+__simple_xattr_set_42474 __simple_xattr_set 4-0 42474 NULL -+sta_state_42478 sta_state 0 42478 NULL -+show_coresize_42479 show_coresize 0 42479 NULL -+ocfs2_xattr_ibody_list_42480 ocfs2_xattr_ibody_list 0 42480 NULL -+kernel_recvmsg_42482 kernel_recvmsg 0-5 42482 NULL -+set_zone_42484 set_zone 0-4 42484 NULL -+omfs_readpages_42490 omfs_readpages 4 42490 NULL nohasharray -+nfulnl_rcv_nl_event_42490 nfulnl_rcv_nl_event 0 42490 &omfs_readpages_42490 nohasharray -+store_spi_transport_hold_mcs_42490 store_spi_transport_hold_mcs 0-4 42490 &nfulnl_rcv_nl_event_42490 -+parport_mos7715_read_data_42492 parport_mos7715_read_data 0 42492 NULL nohasharray -+wl1251_acx_sleep_auth_42492 wl1251_acx_sleep_auth 0 42492 &parport_mos7715_read_data_42492 -+callback_42494 callback 0 42494 NULL 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crypto_ahash_walk_first 0 42630 NULL -+snd_hwdep_dev_register_42632 snd_hwdep_dev_register 0 42632 NULL -+ieee80211_if_fmt_dot11MeshHWMPactivePathTimeout_42635 ieee80211_if_fmt_dot11MeshHWMPactivePathTimeout 3 42635 NULL -+iommu_tbl_range_alloc_42638 iommu_tbl_range_alloc 5-3-6 42638 NULL -+b43legacy_wireless_core_init_42640 b43legacy_wireless_core_init 0 42640 NULL -+br_mdb_rehash_42643 br_mdb_rehash 2 42643 NULL -+num_controllers_42644 num_controllers 0 42644 NULL -+mc13783_adc_read_bp_42646 mc13783_adc_read_bp 0 42646 NULL -+gpio_request_enable_42647 gpio_request_enable 0 42647 NULL nohasharray -+sis190_get_regs_len_42647 sis190_get_regs_len 0 42647 &gpio_request_enable_42647 -+i7core_mce_check_error_42651 i7core_mce_check_error 0 42651 NULL -+_regmap_raw_write_42652 _regmap_raw_write 2-4-0 42652 NULL -+i40e_setup_rx_descriptors_42655 i40e_setup_rx_descriptors 0 42655 NULL -+ess_audio_prepare_for_input_42659 ess_audio_prepare_for_input 0 42659 NULL -+print_nodes_state_42664 print_nodes_state 0 42664 NULL -+s5p_mfc_start_streaming_42666 s5p_mfc_start_streaming 0 42666 NULL -+pinctrl_gpio_direction_input_42668 pinctrl_gpio_direction_input 0 42668 NULL -+acpi_power_get_inferred_state_42669 acpi_power_get_inferred_state 0 42669 NULL nohasharray -+ipx_setsockopt_42669 ipx_setsockopt 0 42669 &acpi_power_get_inferred_state_42669 -+show_cidmode_42671 show_cidmode 0 42671 NULL -+l2tp_xmit_skb_42672 l2tp_xmit_skb 3 42672 NULL -+btrfs_label_store_42678 btrfs_label_store 0-4 42678 NULL -+xgbe_calc_rx_buf_size_42681 xgbe_calc_rx_buf_size 0-2 42681 NULL -+rocker_group_tbl_do_42683 rocker_group_tbl_do 0 42683 NULL -+at91_sysfs_set_mb0_id_42685 at91_sysfs_set_mb0_id 0-4 42685 NULL -+cifs_spnego_key_instantiate_42686 cifs_spnego_key_instantiate 0 42686 NULL nohasharray -+store_spi_transport_wr_flow_42686 store_spi_transport_wr_flow 0-4 42686 &cifs_spnego_key_instantiate_42686 -+wiimod_pro_calib_store_42692 wiimod_pro_calib_store 0-4 42692 NULL -+request_key_and_link_42693 request_key_and_link 4 42693 NULL nohasharray -+rsi_send_internal_mgmt_frame_42693 rsi_send_internal_mgmt_frame 0 42693 &request_key_and_link_42693 -+acpi_dev_get_irqresource_42694 acpi_dev_get_irqresource 2 42694 NULL nohasharray -+iio_trigger_attach_poll_func_42694 iio_trigger_attach_poll_func 0 42694 &acpi_dev_get_irqresource_42694 -+ipoib_vlan_delete_42696 ipoib_vlan_delete 0 42696 NULL -+nilfs_btnode_submit_block_42698 nilfs_btnode_submit_block 0 42698 NULL -+bnx2fc_ctlr_enabled_42700 bnx2fc_ctlr_enabled 0 42700 NULL -+vb2_read_42703 vb2_read 3-0 42703 NULL -+store_sas_link_reset_42705 store_sas_link_reset 4-0 42705 NULL -+sierra_net_send_cmd_42708 sierra_net_send_cmd 3 42708 NULL nohasharray -+hard_show_42708 hard_show 0 42708 &sierra_net_send_cmd_42708 -+pm8001_ctl_max_sg_list_show_42710 pm8001_ctl_max_sg_list_show 0 42710 NULL -+taos_smbus_xfer_42714 taos_smbus_xfer 0 42714 NULL -+regulator_print_state_42718 regulator_print_state 0 42718 NULL -+adxl34x_calibrate_show_42719 adxl34x_calibrate_show 0 42719 NULL -+read_status_42722 read_status 0 42722 NULL nohasharray -+ath10k_pci_qca6174_chip_reset_42722 ath10k_pci_qca6174_chip_reset 0 42722 &read_status_42722 -+selinux_ip_postroute_42725 selinux_ip_postroute 0 42725 NULL -+setup_ntlmv2_rsp_42726 setup_ntlmv2_rsp 0 42726 NULL -+iwl_mvm_coex_dump_mbox_old_42727 iwl_mvm_coex_dump_mbox_old 0-3-4 42727 NULL -+bmg160_data_rdy_trigger_set_state_42728 bmg160_data_rdy_trigger_set_state 0 42728 NULL -+ath10k_pci_warm_reset_42729 ath10k_pci_warm_reset 0 42729 NULL -+dvb_demux_ioctl_42733 dvb_demux_ioctl 2 42733 NULL nohasharray -+target_stat_scsi_auth_intr_show_attr_hs_num_cmds_42733 target_stat_scsi_auth_intr_show_attr_hs_num_cmds 0 42733 &dvb_demux_ioctl_42733 nohasharray -+fw_get_filesystem_firmware_42733 fw_get_filesystem_firmware 0 42733 &target_stat_scsi_auth_intr_show_attr_hs_num_cmds_42733 -+set_aoe_iflist_42737 set_aoe_iflist 2 42737 NULL nohasharray -+igbvf_get_regs_len_42737 igbvf_get_regs_len 0 42737 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-+lp3943_gpio_direction_output_42778 lp3943_gpio_direction_output 0 42778 NULL -+snd_midi_event_decode_42780 snd_midi_event_decode 0 42780 NULL -+cryptd_hash_setkey_42781 cryptd_hash_setkey 3 42781 NULL nohasharray -+isku_sysfs_read_info_42781 isku_sysfs_read_info 6-0-5 42781 &cryptd_hash_setkey_42781 -+show_fnode_chap_out_idx_42784 show_fnode_chap_out_idx 0 42784 NULL -+store_fan_beep_42785 store_fan_beep 0-4 42785 NULL -+elfcorehdr_read_notes_42786 elfcorehdr_read_notes 2 42786 NULL -+hackrf_set_if_gain_42788 hackrf_set_if_gain 0 42788 NULL -+koneplus_sysfs_read_42792 koneplus_sysfs_read 6-0 42792 NULL -+cgroup_migrate_prepare_dst_42793 cgroup_migrate_prepare_dst 0 42793 NULL -+show_chglim_42794 show_chglim 0 42794 NULL -+ntfs_attr_extend_allocation_42796 ntfs_attr_extend_allocation 0 42796 NULL -+fw_device_op_compat_ioctl_42804 fw_device_op_compat_ioctl 2 42804 NULL -+show_line1_42806 show_line1 0 42806 NULL -+esd_usb2_open_42809 esd_usb2_open 0 42809 NULL -+pcf2127_get_datetime_42811 pcf2127_get_datetime 0 42811 NULL nohasharray -+smk_bu_current_42811 smk_bu_current 0-4 42811 &pcf2127_get_datetime_42811 -+drm_ioctl_42813 drm_ioctl 2 42813 NULL -+__bch_cache_set_store_42815 __bch_cache_set_store 0-4 42815 NULL -+iwl_dbgfs_ucode_bt_stats_read_42820 iwl_dbgfs_ucode_bt_stats_read 3-0 42820 NULL -+set_arg_42824 set_arg 3 42824 NULL -+si476x_radio_read_rsq_blob_42827 si476x_radio_read_rsq_blob 3-0 42827 NULL -+bnad_mtu_set_42833 bnad_mtu_set 0 42833 NULL -+dnotify_handle_event_42835 dnotify_handle_event 0 42835 NULL -+f2fs_unfreeze_42836 f2fs_unfreeze 0 42836 NULL -+show_sas_rphy_target_port_protocols_42840 show_sas_rphy_target_port_protocols 0 42840 NULL -+mv88e6131_get_sset_count_42841 mv88e6131_get_sset_count 0 42841 NULL -+prop_compression_validate_42847 prop_compression_validate 0 42847 NULL -+show_ata_dev_xfer_mode_42848 show_ata_dev_xfer_mode 0 42848 NULL -+btmrvl_fwdump_write_42850 btmrvl_fwdump_write 3-0 42850 NULL nohasharray 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qlcnic_83xx_sysfs_flash_bulk_write 4 46320 NULL -+fm_tx_set_preemph_filter_46323 fm_tx_set_preemph_filter 0 46323 NULL -+__dquot_alloc_space_46324 __dquot_alloc_space 0 46324 NULL -+__hwahc_dev_set_key_46328 __hwahc_dev_set_key 5 46328 NULL nohasharray -+compat_SyS_readv_46328 compat_SyS_readv 3 46328 &__hwahc_dev_set_key_46328 -+netlbl_sock_setattr_46330 netlbl_sock_setattr 0 46330 NULL -+gs_can_open_46335 gs_can_open 0 46335 NULL -+ds2780_get_control_register_46338 ds2780_get_control_register 0 46338 NULL -+get_ata_xfer_names_46339 get_ata_xfer_names 0 46339 NULL nohasharray -+show_ipv4_iface_tos_en_46339 show_ipv4_iface_tos_en 0 46339 &get_ata_xfer_names_46339 -+snd_seq_ioctl_get_client_info_46340 snd_seq_ioctl_get_client_info 0 46340 NULL nohasharray -+store_spi_transport_qas_46340 store_spi_transport_qas 0-4 46340 &snd_seq_ioctl_get_client_info_46340 -+netlbl_cfg_unlbl_static_add_46342 netlbl_cfg_unlbl_static_add 0 46342 NULL nohasharray -+rtc_set_alarm_46342 rtc_set_alarm 0 46342 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NULL -+pci_enable_device_46642 pci_enable_device 0 46642 NULL -+show_session_param_ISCSI_PARAM_MAX_BURST_46644 show_session_param_ISCSI_PARAM_MAX_BURST 0 46644 NULL -+__sock_sendmsg_46647 __sock_sendmsg 0-4 46647 NULL -+vfs_getxattr_alloc_46649 vfs_getxattr_alloc 0 46649 NULL -+attr_get_46650 attr_get 0 46650 NULL -+av7110_ipack_init_46655 av7110_ipack_init 2 46655 NULL nohasharray -+powr1220_read_adc_46655 powr1220_read_adc 0 46655 &av7110_ipack_init_46655 -+fanout_add_46656 fanout_add 0 46656 NULL -+queue_max_sectors_store_46658 queue_max_sectors_store 3-0 46658 NULL -+read_short_reg_46669 read_short_reg 0 46669 NULL -+toshiba_usb_sleep_music_get_46672 toshiba_usb_sleep_music_get 0 46672 NULL -+stream_pause_46673 stream_pause 0 46673 NULL -+ubifs_writepage_46678 ubifs_writepage 0 46678 NULL -+msr_read_46679 msr_read 0-3 46679 NULL -+__uncore_mask_rnid4_show_46681 __uncore_mask_rnid4_show 0 46681 NULL -+l2cap_create_le_flowctl_pdu_46682 l2cap_create_le_flowctl_pdu 3 46682 NULL 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-+store_engine1_leds_46758 store_engine1_leds 4-0 46758 NULL -+show_fan_status_46761 show_fan_status 0 46761 NULL -+mwl8k_init_firmware_46764 mwl8k_init_firmware 0 46764 NULL -+hest_ghes_dev_register_46766 hest_ghes_dev_register 1 46766 NULL -+inet6_create_46770 inet6_create 0 46770 NULL -+fc0013_set_vhf_track_46773 fc0013_set_vhf_track 0 46773 NULL -+int_hw_irq_en_46776 int_hw_irq_en 3-0 46776 NULL -+ov2640_s_ctrl_46785 ov2640_s_ctrl 0 46785 NULL -+radar_detection_write_46787 radar_detection_write 3-0 46787 NULL -+__hdaps_read_pair_46792 __hdaps_read_pair 0 46792 NULL -+host_show_commands_outstanding_46795 host_show_commands_outstanding 0 46795 NULL -+show_max_min_46796 show_max_min 0 46796 NULL -+show_fc_host_supported_speeds_46800 show_fc_host_supported_speeds 0 46800 NULL -+ixgbe_read_mbx_pf_46802 ixgbe_read_mbx_pf 0 46802 NULL -+proc_tgid_net_getattr_46803 proc_tgid_net_getattr 0 46803 NULL -+niu_tx_cs_sng_poll_46804 niu_tx_cs_sng_poll 0 46804 NULL -+tpk_write_room_46810 tpk_write_room 0 46810 NULL -+show_session_param_ISCSI_PARAM_ERL_46813 show_session_param_ISCSI_PARAM_ERL 0 46813 NULL -+ath6kl_wmi_set_roam_mode_cmd_46817 ath6kl_wmi_set_roam_mode_cmd 0 46817 NULL -+writefn_46819 writefn 0-3 46819 NULL -+show_ata_port_nr_pmp_links_46824 show_ata_port_nr_pmp_links 0 46824 NULL -+bnad_get_sset_count_46825 bnad_get_sset_count 0 46825 NULL -+xfs_iroot_realloc_46826 xfs_iroot_realloc 2 46826 NULL -+snd_sonicvibes_capture_trigger_46827 snd_sonicvibes_capture_trigger 0 46827 NULL -+fib_netdev_event_46830 fib_netdev_event 0 46830 NULL -+cyberjack_write_room_46831 cyberjack_write_room 0 46831 NULL -+ks959_net_open_46833 ks959_net_open 0 46833 NULL -+iwl_run_init_mvm_ucode_46835 iwl_run_init_mvm_ucode 0 46835 NULL -+show_pcm_class_46836 show_pcm_class 0 46836 NULL -+security_validtrans_handle_fail_46843 security_validtrans_handle_fail 0 46843 NULL -+mxt_update_fw_store_46849 mxt_update_fw_store 0-4 46849 NULL -+lola_set_clock_index_46850 lola_set_clock_index 0 46850 NULL -+show_conn_param_ISCSI_PARAM_MAX_RECV_DLENGTH_46851 show_conn_param_ISCSI_PARAM_MAX_RECV_DLENGTH 0 46851 NULL -+spi_async_46857 spi_async 0 46857 NULL -+scan_commit_lists_46860 scan_commit_lists 0 46860 NULL -+edac_device_ctl_log_ce_show_46861 edac_device_ctl_log_ce_show 0 46861 NULL -+vsnprintf_46863 vsnprintf 0 46863 NULL -+ican3_send_inquiry_46865 ican3_send_inquiry 0 46865 NULL nohasharray -+__uncore_filter_opc_show_46865 __uncore_filter_opc_show 0 46865 &ican3_send_inquiry_46865 nohasharray -+store_spi_revalidate_46865 store_spi_revalidate 0-4 46865 &__uncore_filter_opc_show_46865 -+restart_array_46866 restart_array 0 46866 NULL -+regulatory_hint_46868 regulatory_hint 0 46868 NULL -+nouveau_hwmon_emergency_temp_46870 nouveau_hwmon_emergency_temp 0 46870 NULL nohasharray -+swiotlb_map_sg_46870 swiotlb_map_sg 3 46870 &nouveau_hwmon_emergency_temp_46870 -+sip_sprintf_addr_46872 sip_sprintf_addr 0 46872 NULL -+rvmalloc_46873 rvmalloc 1 46873 NULL 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il_dbgfs_ucode_general_stats_read 0-3 46936 NULL -+b44_get_sset_count_46940 b44_get_sset_count 0 46940 NULL -+vprbrd_i2c_xfer_46943 vprbrd_i2c_xfer 0-3 46943 NULL -+__sctp_setsockopt_connectx_46949 __sctp_setsockopt_connectx 3-0 46949 NULL nohasharray -+fuse_direct_io_46949 fuse_direct_io 0 46949 &__sctp_setsockopt_connectx_46949 -+qla4xxx_post_aen_work_46953 qla4xxx_post_aen_work 3 46953 NULL nohasharray -+ntfs_truncate_46953 ntfs_truncate 0 46953 &qla4xxx_post_aen_work_46953 -+coda_fsync_46958 coda_fsync 0 46958 NULL -+store_spi_transport_max_width_46960 store_spi_transport_max_width 0-4 46960 NULL -+lp_wait_ready_46962 lp_wait_ready 0 46962 NULL -+SYSC_poll_46965 SYSC_poll 2 46965 NULL nohasharray -+snd_rme32_capture_prepare_46965 snd_rme32_capture_prepare 0 46965 &SYSC_poll_46965 -+nvkm_falcon_create__46966 nvkm_falcon_create_ 8 46966 NULL -+lbs_start_iface_46973 lbs_start_iface 0 46973 NULL -+enc28j60_net_open_46974 enc28j60_net_open 0 46974 NULL -+mgmt_pending_add_46976 mgmt_pending_add 5 46976 NULL -+srp_alloc_req_data_46981 srp_alloc_req_data 0 46981 NULL -+lec_atm_send_46990 lec_atm_send 0 46990 NULL -+user_set_46991 user_set 0 46991 NULL -+sel_write_bool_46996 sel_write_bool 3-0 46996 NULL nohasharray -+ds2780_write_user_eeprom_bin_46996 ds2780_write_user_eeprom_bin 6-5-0 46996 &sel_write_bool_46996 nohasharray -+rj54n1_sensor_scale_46996 rj54n1_sensor_scale 0 46996 &ds2780_write_user_eeprom_bin_46996 nohasharray -+enabled_store_46996 enabled_store 0-4 46996 &rj54n1_sensor_scale_46996 -+megasas_fw_crash_buffer_size_show_46998 megasas_fw_crash_buffer_size_show 0 46998 NULL nohasharray -+usb_pcwd_write_46998 usb_pcwd_write 0-3 46998 &megasas_fw_crash_buffer_size_show_46998 -+blk_rq_map_kern_47004 blk_rq_map_kern 4-0 47004 NULL -+x25_device_event_47006 x25_device_event 0 47006 NULL -+send_post_enqueue_47008 send_post_enqueue 0 47008 NULL -+rx_bytes_show_47011 rx_bytes_show 0 47011 NULL -+bpf_prog_realloc_47015 bpf_prog_realloc 2 47015 NULL -+ip_mc_source_47018 ip_mc_source 0 47018 NULL -+__map_single_47020 __map_single 3-4-7 47020 NULL -+usbpn_open_47021 usbpn_open 0 47021 NULL -+bonding_show_arp_all_targets_47022 bonding_show_arp_all_targets 0 47022 NULL -+cx231xx_init_bulk_47024 cx231xx_init_bulk 3-4-2-0 47024 NULL nohasharray -+ucb1400_core_probe_47024 ucb1400_core_probe 0 47024 &cx231xx_init_bulk_47024 -+show_spi_transport_max_qas_47025 show_spi_transport_max_qas 0 47025 NULL nohasharray -+__rt_schedulable_47025 __rt_schedulable 0 47025 &show_spi_transport_max_qas_47025 -+store_fan_pulses_47028 store_fan_pulses 0-4 47028 NULL -+drv_set_max_frame_retries_47029 drv_set_max_frame_retries 0 47029 NULL -+integrity_device_show_47034 integrity_device_show 0 47034 NULL -+show_v86d_47041 show_v86d 0 47041 NULL -+dib7090_tuner_xfer_47045 dib7090_tuner_xfer 0-3 47045 NULL -+isl29003_show_resolution_47047 isl29003_show_resolution 0 47047 NULL -+set_in_max0_47049 set_in_max0 0-4 47049 NULL -+wm8994_set_bits_47052 wm8994_set_bits 0 47052 NULL nohasharray -+acerhdf_get_fanstate_47052 acerhdf_get_fanstate 0 47052 &wm8994_set_bits_47052 -+final_47055 final 0 47055 NULL -+open_rx_47057 open_rx 0 47057 NULL -+udpv6_sendmsg_47060 udpv6_sendmsg 3 47060 NULL -+dg_dispatch_as_guest_47063 dg_dispatch_as_guest 0 47063 NULL -+ltc2945_show_value_47064 ltc2945_show_value 0 47064 NULL nohasharray -+read_pod_47064 read_pod 0 47064 &ltc2945_show_value_47064 -+nfcmrvl_nci_recv_frame_47066 nfcmrvl_nci_recv_frame 3 47066 NULL nohasharray -+power_on_acct_show_47066 power_on_acct_show 0 47066 &nfcmrvl_nci_recv_frame_47066 -+event_trigger_regex_write_47067 event_trigger_regex_write 3 47067 NULL -+metrics_bytes_sent_show_47068 metrics_bytes_sent_show 0 47068 NULL -+mwifiex_set_mac_address_47069 mwifiex_set_mac_address 0 47069 NULL -+ufs_new_fragments_47070 ufs_new_fragments 4-5-3 47070 NULL nohasharray -+ext4_xattr_list_entries_47070 ext4_xattr_list_entries 0 47070 &ufs_new_fragments_47070 -+iscsi_stat_sess_err_attr_store_47075 iscsi_stat_sess_err_attr_store 0 47075 NULL -+pipeline_dec_packet_in_read_47076 pipeline_dec_packet_in_read 3-0 47076 NULL -+export_47078 export 0 47078 NULL -+skb_checksum_setup_ip_47081 skb_checksum_setup_ip 3 47081 NULL -+iwl_mvm_d3_test_read_47088 iwl_mvm_d3_test_read 0-3 47088 NULL -+iwl_dump_nic_event_log_47089 iwl_dump_nic_event_log 0 47089 NULL -+azx_setup_periods_47101 azx_setup_periods 0 47101 NULL nohasharray -+ipr_show_adapter_handle_47101 ipr_show_adapter_handle 0 47101 &azx_setup_periods_47101 -+pcmcia_dev_suspend_47104 pcmcia_dev_suspend 0 47104 NULL nohasharray -+ptlrpc_lprocfs_threads_max_seq_write_47104 ptlrpc_lprocfs_threads_max_seq_write 3 47104 &pcmcia_dev_suspend_47104 -+map_sg_47108 map_sg 0-3 47108 NULL nohasharray -+hih6130_update_measurements_47108 hih6130_update_measurements 0 47108 &map_sg_47108 -+flash_brightness_set_47109 flash_brightness_set 0 47109 NULL nohasharray -+ion_heap_clear_pages_47109 ion_heap_clear_pages 2 47109 &flash_brightness_set_47109 -+tboot_log_read_47110 tboot_log_read 3-0 47110 NULL -+carrier_show_47115 carrier_show 0 47115 NULL -+__erst_write_to_storage_47120 __erst_write_to_storage 0 47120 NULL -+ds2781_get_rsgain_register_47121 ds2781_get_rsgain_register 0 47121 NULL -+mousedev_read_47123 mousedev_read 3-0 47123 NULL -+tcm_loop_drop_nexus_47124 tcm_loop_drop_nexus 0 47124 NULL -+upcall_msg_size_47141 upcall_msg_size 0-2 47141 NULL -+acpi_ut_initialize_buffer_47143 acpi_ut_initialize_buffer 2-0 47143 NULL nohasharray -+ses_recv_diag_47143 ses_recv_diag 4 47143 &acpi_ut_initialize_buffer_47143 -+store_target_kb_47150 store_target_kb 0-4 47150 NULL -+sctp_get_port_47151 sctp_get_port 0 47151 NULL -+get_attr_rdpmc_47155 get_attr_rdpmc 0 47155 NULL nohasharray -+mwifiex_alloc_dma_align_buf_47155 mwifiex_alloc_dma_align_buf 1 47155 &get_attr_rdpmc_47155 -+il4965_mac_start_47159 il4965_mac_start 0 47159 NULL -+gva_to_gpa_47160 gva_to_gpa 0 47160 NULL nohasharray -+show_streaming_47160 show_streaming 0 47160 &gva_to_gpa_47160 -+mxms_headerlen_47161 mxms_headerlen 0 47161 NULL -+rs_sta_dbgfs_rate_scale_data_read_47165 rs_sta_dbgfs_rate_scale_data_read 3-0 47165 NULL -+sched_ilb_notifier_47166 sched_ilb_notifier 0 47166 NULL nohasharray -+dps1_insert_key_47166 dps1_insert_key 0-4 47166 &sched_ilb_notifier_47166 -+max8660_dcdc_is_enabled_47167 max8660_dcdc_is_enabled 0 47167 NULL -+part_fail_show_47168 part_fail_show 0 47168 NULL -+max_flash_timeout_show_47169 max_flash_timeout_show 0 47169 NULL nohasharray -+set_temp_47169 set_temp 0-4 47169 &max_flash_timeout_show_47169 -+reg_show_name_47170 reg_show_name 0 47170 NULL -+lvs_rh_set_port_feature_47175 lvs_rh_set_port_feature 0 47175 NULL -+svc_pool_map_alloc_arrays_47181 svc_pool_map_alloc_arrays 2 47181 NULL -+state_parse_47184 state_parse 0 47184 NULL -+ioremap_cache_47189 ioremap_cache 2-1 47189 NULL -+xfs_btree_get_buf_block_47197 xfs_btree_get_buf_block 0 47197 NULL -+__set_signal_47207 __set_signal 0-4 47207 NULL -+__rds_create_47212 __rds_create 0 47212 NULL -+wm8903_gpio_direction_in_47213 wm8903_gpio_direction_in 0 47213 NULL -+nobh_write_end_47214 nobh_write_end 5-0 47214 NULL -+tg3_phy_auxctl_read_47216 tg3_phy_auxctl_read 0 47216 NULL -+sctp_v4_to_addr_param_47221 sctp_v4_to_addr_param 0 47221 NULL nohasharray -+__mt9t112_mcu_mask_set_47221 __mt9t112_mcu_mask_set 0 47221 &sctp_v4_to_addr_param_47221 -+nilfs_dat_prepare_start_47222 nilfs_dat_prepare_start 0 47222 NULL -+xc_set_signal_source_47230 xc_set_signal_source 0 47230 NULL -+chip_edc_read_47233 chip_edc_read 0 47233 NULL -+x1205_get_dtrim_47236 x1205_get_dtrim 0 47236 NULL nohasharray -+rpc_pipe_write_47236 rpc_pipe_write 0-3 47236 &x1205_get_dtrim_47236 -+l2headersize_47238 l2headersize 0 47238 NULL -+options_write_47243 options_write 3-0 47243 NULL -+__uncore_filter_band3_show_47248 __uncore_filter_band3_show 0 47248 NULL -+__uncore_match_mc_show_47250 __uncore_match_mc_show 0 47250 NULL nohasharray -+iwl_mvm_power_set_ps_47250 iwl_mvm_power_set_ps 0 47250 &__uncore_match_mc_show_47250 -+efx_reconfigure_port_47251 efx_reconfigure_port 0 47251 NULL -+skb_copy_datagram_from_iter_47253 skb_copy_datagram_from_iter 4-2 47253 NULL nohasharray -+portcntrs_1_read_47253 portcntrs_1_read 3-0 47253 &skb_copy_datagram_from_iter_47253 -+rtl2832_sdr_s_ctrl_47254 rtl2832_sdr_s_ctrl 0 47254 NULL nohasharray -+target_stat_scsi_lu_show_attr_prod_47254 target_stat_scsi_lu_show_attr_prod 0 47254 &rtl2832_sdr_s_ctrl_47254 -+da9052_disable_irq_nosync_47260 da9052_disable_irq_nosync 2 47260 NULL -+nq_m_sync_47264 nq_m_sync 0 47264 NULL -+exofs_write_inode_47271 exofs_write_inode 0 47271 NULL -+ablkcipher_next_slow_47274 ablkcipher_next_slow 3-4 47274 NULL -+show_fnode_exp_statsn_47277 show_fnode_exp_statsn 0 47277 NULL -+perf_ibs_cpu_notifier_47281 perf_ibs_cpu_notifier 0 47281 NULL -+gfs2_readpages_47285 gfs2_readpages 4 47285 NULL -+blkdev_issue_flush_47287 blkdev_issue_flush 0 47287 NULL -+reg_write_47288 reg_write 0 47288 NULL -+setattr_47289 setattr 0 47289 NULL -+target_stat_scsi_att_intr_port_show_attr_port_47290 target_stat_scsi_att_intr_port_show_attr_port 0 47290 NULL -+vsnprintf_47291 vsnprintf 0 47291 NULL -+SYSC_semop_47292 SYSC_semop 3 47292 NULL -+show_47293 show 0 47293 NULL -+uvc_video_enable_47296 uvc_video_enable 0 47296 NULL -+rhashtable_rehash_attach_47298 rhashtable_rehash_attach 0 47298 NULL -+tx_internal_desc_overflow_read_47300 tx_internal_desc_overflow_read 3-0 47300 NULL -+virtqueue_add_47306 virtqueue_add 3 47306 NULL -+il4965_fill_txpower_tbl_47307 il4965_fill_txpower_tbl 0 47307 NULL -+mm_compute_batch_notifier_47309 mm_compute_batch_notifier 0 47309 NULL -+nfs_idmap_read_and_verify_message_47312 nfs_idmap_read_and_verify_message 0 47312 NULL -+xfs_trans_reserve_quota_nblks_47313 xfs_trans_reserve_quota_nblks 0 47313 NULL -+ipvlan_device_event_47317 ipvlan_device_event 0 47317 NULL -+get_l4proto_47318 get_l4proto 0 47318 NULL -+usX2Y_usbpcm_urbs_start_47323 usX2Y_usbpcm_urbs_start 0 47323 NULL -+snd_sb16_playback_trigger_47332 snd_sb16_playback_trigger 0 47332 NULL -+sock_sendmsg_nosec_47333 sock_sendmsg_nosec 0 47333 NULL -+sctp_auth_set_active_key_47334 sctp_auth_set_active_key 0 47334 NULL nohasharray -+fd_configure_device_47334 fd_configure_device 0 47334 &sctp_auth_set_active_key_47334 -+next_bitstream_store_47342 next_bitstream_store 0-4 47342 NULL -+tune_set_47343 tune_set 0-5 47343 NULL -+cdc_ncm_show_min_tx_pkt_47346 cdc_ncm_show_min_tx_pkt 0 47346 NULL -+amd_xgbe_phy_pcs_power_cycle_47347 amd_xgbe_phy_pcs_power_cycle 0 47347 NULL -+pstr_store_47352 pstr_store 0-4 47352 NULL nohasharray -+parse_exthdrs_47352 parse_exthdrs 0 47352 &pstr_store_47352 -+md_allow_write_47353 md_allow_write 0 47353 NULL -+ieee80211_if_read_dot11MeshHoldingTimeout_47356 ieee80211_if_read_dot11MeshHoldingTimeout 3-0 47356 NULL nohasharray -+validate_47356 validate 0 47356 &ieee80211_if_read_dot11MeshHoldingTimeout_47356 -+nvme_submit_admin_cmd_47357 nvme_submit_admin_cmd 0 47357 NULL -+avc_get_hash_stats_47359 avc_get_hash_stats 0 47359 NULL -+kvm_arch_create_memslot_47364 kvm_arch_create_memslot 3 47364 NULL nohasharray -+__output_copy_user_47364 __output_copy_user 3 47364 &kvm_arch_create_memslot_47364 -+vmci_transport_dgram_bind_47371 vmci_transport_dgram_bind 0 47371 NULL -+hci_prepare_cmd_47372 hci_prepare_cmd 3 47372 NULL -+show_ipv4_iface_bootproto_47376 show_ipv4_iface_bootproto 0 47376 NULL -+stmmac_enable_47377 stmmac_enable 0 47377 NULL -+shmem_getpage_47382 shmem_getpage 0 47382 NULL -+tun_recvmsg_47383 tun_recvmsg 3 47383 NULL -+nv_rd32_47390 nv_rd32 0 47390 NULL nohasharray -+trace_options_core_read_47390 trace_options_core_read 3 47390 &nv_rd32_47390 -+pfkey_sendmsg_47394 pfkey_sendmsg 4-0 47394 NULL -+wdtpci_write_47395 wdtpci_write 0-3 47395 NULL -+store_spi_transport_rd_strm_47397 store_spi_transport_rd_strm 0-4 47397 NULL -+lbs_wrmac_write_47400 lbs_wrmac_write 3-0 47400 NULL -+efi_pstore_read_func_47401 efi_pstore_read_func 0 47401 NULL -+walk_pte_range_47402 walk_pte_range 0 47402 NULL -+store_bitmask_47403 store_bitmask 0-4 47403 NULL -+store_select_amcb1_transmit_clock_47406 store_select_amcb1_transmit_clock 0-4 47406 NULL -+ocfs2_resv_end_47408 ocfs2_resv_end 0 47408 NULL nohasharray -+SyS_recv_47408 SyS_recv 3 47408 &ocfs2_resv_end_47408 -+sta_vht_capa_read_47409 sta_vht_capa_read 3-0 47409 NULL nohasharray -+bcm7xxx_28nm_e0_plus_afe_config_init_47409 bcm7xxx_28nm_e0_plus_afe_config_init 0 47409 &sta_vht_capa_read_47409 -+isl29003_set_power_state_47411 isl29003_set_power_state 0 47411 NULL -+show_spi_transport_width_47413 show_spi_transport_width 0 47413 NULL -+write_cmd_47414 write_cmd 0 47414 NULL -+lbs_wrrf_write_47418 lbs_wrrf_write 3-0 47418 NULL -+__iscsi_disc_store_userid_mutual_47420 __iscsi_disc_store_userid_mutual 0-3 47420 NULL -+vzalloc_47421 vzalloc 1 47421 NULL nohasharray -+array_size_store_47421 array_size_store 0-3 47421 &vzalloc_47421 -+mvs_task_prep_ata_47424 mvs_task_prep_ata 0 47424 NULL -+bLength_show_47432 bLength_show 0 47432 NULL -+fop_write_47433 fop_write 0-3 47433 NULL nohasharray -+caif_seqpkt_sendmsg_47433 caif_seqpkt_sendmsg 3 47433 &fop_write_47433 -+dibx000_i2c_gated_tuner_xfer_47436 dibx000_i2c_gated_tuner_xfer 0-3 47436 NULL -+wl128x_configure_mcs_pll_47437 wl128x_configure_mcs_pll 0 47437 NULL -+niu_reset_tx_bmac_47440 niu_reset_tx_bmac 0 47440 NULL -+cxacru_sysfs_show_modulation_47441 cxacru_sysfs_show_modulation 0 47441 NULL -+mrf24j40_filter_47445 mrf24j40_filter 0 47445 NULL -+usb_wwan_open_47449 usb_wwan_open 0 47449 NULL -+environ_read_47451 environ_read 0-3 47451 NULL -+C_SYSC_set_mempolicy_47466 C_SYSC_set_mempolicy 3 47466 NULL -+lprocfs_fid_write_common_47471 lprocfs_fid_write_common 2 47471 NULL -+igb_get_eeprom_len_47473 igb_get_eeprom_len 0 47473 NULL -+usermodehelper_read_trylock_47478 usermodehelper_read_trylock 0 47478 NULL -+nvme_trans_send_fw_cmd_47479 nvme_trans_send_fw_cmd 4 47479 NULL nohasharray -+o2hb_region_store_47479 o2hb_region_store 0-4 47479 &nvme_trans_send_fw_cmd_47479 -+acpi_smbus_read_47480 acpi_smbus_read 0 47480 NULL -+packet_mc_drop_47484 packet_mc_drop 0 47484 NULL -+newpart_47485 newpart 6-4 47485 NULL -+read_47490 read 0-3 47490 NULL -+mcp23s17_read_regs_47491 mcp23s17_read_regs 4 47491 NULL -+core_sys_select_47494 core_sys_select 1 47494 NULL -+__feat_register_nn_47497 __feat_register_nn 0 47497 NULL -+jid_store_47498 jid_store 0-3 47498 NULL -+read_block_for_search_47502 read_block_for_search 0 47502 NULL -+as3722_block_write_47503 as3722_block_write 2-3 47503 NULL nohasharray -+txstat_read_file_47503 txstat_read_file 0 47503 &as3722_block_write_47503 -+i801_block_transaction_by_block_47504 i801_block_transaction_by_block 0 47504 NULL -+show_temp_crit_int_47505 show_temp_crit_int 0 47505 NULL nohasharray -+alloc_arraycache_47505 alloc_arraycache 2 47505 &show_temp_crit_int_47505 -+unlink_simple_47506 unlink_simple 3 47506 NULL -+f2fs_write_meta_pages_47507 f2fs_write_meta_pages 0 47507 NULL -+saa7146_i2c_xfer_47508 saa7146_i2c_xfer 0-3 47508 NULL -+pstore_decompress_47510 pstore_decompress 0 47510 NULL -+ufs_inode_getblock_47512 ufs_inode_getblock 4 47512 NULL -+inet_bind_47514 inet_bind 0 47514 NULL -+nilfs_segbuf_extend_segsum_47517 nilfs_segbuf_extend_segsum 0 47517 NULL -+ec_i2c_count_response_47518 ec_i2c_count_response 0 47518 NULL -+eth_open_47519 eth_open 0 47519 NULL -+usb_hcd_alloc_bandwidth_47525 usb_hcd_alloc_bandwidth 0 47525 NULL nohasharray -+jfs_loglevel_proc_write_47525 jfs_loglevel_proc_write 0-3 47525 &usb_hcd_alloc_bandwidth_47525 -+wl128x_cmd_radio_parms_47528 wl128x_cmd_radio_parms 0 47528 NULL -+__proc_lnet_portal_rotor_47529 __proc_lnet_portal_rotor 5 47529 NULL -+process_vm_rw_47533 process_vm_rw 3-5 47533 NULL nohasharray -+vscnprintf_47533 vscnprintf 0-2 47533 &process_vm_rw_47533 -+get_port_47534 get_port 0 47534 NULL -+ieee80211_if_fmt_min_discovery_timeout_47539 ieee80211_if_fmt_min_discovery_timeout 3 47539 NULL -+il_send_cmd_sync_47541 il_send_cmd_sync 0 47541 NULL -+_lm3533_als_get_zone_47546 _lm3533_als_get_zone 0 47546 NULL -+atl1_open_47550 atl1_open 0 47550 NULL -+drbg_statelen_47551 drbg_statelen 0 47551 NULL nohasharray -+leb_read_sanity_check_47551 leb_read_sanity_check 0 47551 &drbg_statelen_47551 -+pci_endrun_init_47554 pci_endrun_init 0 47554 NULL -+_ctl_diag_trigger_scsi_show_47558 _ctl_diag_trigger_scsi_show 0 47558 NULL -+acpi_gpio_package_count_47562 acpi_gpio_package_count 0 47562 NULL -+send_cmd_47563 send_cmd 0 47563 NULL -+xfs_inobt_alloc_block_47565 xfs_inobt_alloc_block 0 47565 NULL -+send_command_47567 send_command 0 47567 NULL nohasharray -+i2c_nuvoton_write_status_47567 i2c_nuvoton_write_status 0 47567 &send_command_47567 -+read_ldt_47570 read_ldt 2 47570 NULL -+isku_sysfs_read_last_set_47572 isku_sysfs_read_last_set 6-0-5 47572 NULL -+mlx4_qp_to_ready_47574 mlx4_qp_to_ready 0 47574 NULL -+pci_iomap_47575 pci_iomap 3 47575 NULL -+mptscsih_version_bios_show_47578 mptscsih_version_bios_show 0 47578 NULL -+rpipe_get_idx_47579 rpipe_get_idx 2-0 47579 NULL nohasharray -+cpufreq_cpu_callback_47579 cpufreq_cpu_callback 0 47579 &rpipe_get_idx_47579 nohasharray -+dgram_init_47579 dgram_init 0 47579 &cpufreq_cpu_callback_47579 -+SYSC_fcntl64_47581 SYSC_fcntl64 3 47581 NULL -+id_format_show_47585 id_format_show 0 47585 NULL -+phy_read_47590 phy_read 0 47590 NULL -+wusb_ck_store_47591 wusb_ck_store 0-4 47591 NULL -+wlcore_read_reg_47598 wlcore_read_reg 0 47598 NULL -+get_nic_info_47601 get_nic_info 0 47601 NULL -+sd_isoc_init_47602 sd_isoc_init 0 47602 NULL -+ext4_kvzalloc_47605 ext4_kvzalloc 1 47605 NULL -+wm831x_gpio_direction_out_47607 wm831x_gpio_direction_out 0 47607 NULL -+sctp_ssnmap_new_47608 sctp_ssnmap_new 2-1 47608 NULL nohasharray -+unbind_store_47608 unbind_store 0-3 47608 &sctp_ssnmap_new_47608 -+roccat_common2_sysfs_write_general_47610 roccat_common2_sysfs_write_general 0-6-5 47610 NULL nohasharray -+cgroup_clone_children_write_47610 cgroup_clone_children_write 0 47610 &roccat_common2_sysfs_write_general_47610 -+a_hnp_support_show_47611 a_hnp_support_show 0 47611 NULL -+uea_request_47613 uea_request 4 47613 NULL -+cache_read_pipefs_47615 cache_read_pipefs 3-0 47615 NULL -+ocfs2_xattr_security_list_47616 ocfs2_xattr_security_list 0-5 47616 NULL -+mwifiex_cmd_host_cmd_47617 mwifiex_cmd_host_cmd 0 47617 NULL -+__apei_exec_read_register_47619 __apei_exec_read_register 0 47619 NULL nohasharray -+tps65217_clear_bits_47619 tps65217_clear_bits 0 47619 &__apei_exec_read_register_47619 -+twl4030_clear_set_47624 twl4030_clear_set 4 47624 NULL -+nouveau_hwmon_temp1_auto_point1_temp_47625 nouveau_hwmon_temp1_auto_point1_temp 0 47625 NULL -+SYSC_send_47629 SYSC_send 3 47629 NULL -+store_pwm_auto_point_temp_hyst_47630 store_pwm_auto_point_temp_hyst 0-4 47630 NULL -+iwl_mvm_update_sta_47642 iwl_mvm_update_sta 0 47642 NULL -+ds1682_eeprom_read_47644 ds1682_eeprom_read 0-5-6 47644 NULL nohasharray -+ubifs_find_free_space_47644 ubifs_find_free_space 0 47644 &ds1682_eeprom_read_47644 -+compute_sid_handle_invalid_context_47647 compute_sid_handle_invalid_context 0 47647 NULL -+isl12022_read_regs_47653 isl12022_read_regs 0 47653 NULL -+auok190xfb_check_var_47654 auok190xfb_check_var 0 47654 NULL -+gfs2_jdata_writepage_47660 gfs2_jdata_writepage 0 47660 NULL -+fan_show_47664 fan_show 0 47664 NULL -+pyra_sysfs_show_firmware_version_47670 pyra_sysfs_show_firmware_version 0 47670 NULL -+acpi_ds_get_region_arguments_47671 acpi_ds_get_region_arguments 0 47671 NULL nohasharray -+user_scan_47671 user_scan 0 47671 &acpi_ds_get_region_arguments_47671 -+regmap_mmio_write_47679 regmap_mmio_write 0 47679 NULL -+queue_attr_store_47683 queue_attr_store 0-4 47683 NULL -+mbus_show_47685 mbus_show 0 47685 NULL nohasharray -+gprs_set_mtu_47685 gprs_set_mtu 0 47685 &mbus_show_47685 -+rtl8723b_parse_firmware_47686 rtl8723b_parse_firmware 0 47686 NULL -+ce6230_ctrl_msg_47692 ce6230_ctrl_msg 0 47692 NULL -+target_stat_scsi_lu_show_attr_num_cmds_47693 target_stat_scsi_lu_show_attr_num_cmds 0 47693 NULL nohasharray -+niu_reset_rx_bmac_47693 niu_reset_rx_bmac 0 47693 &target_stat_scsi_lu_show_attr_num_cmds_47693 -+qlcnic_show_bridged_mode_47696 qlcnic_show_bridged_mode 0 47696 NULL -+create_tx_ctx_47698 create_tx_ctx 0 47698 NULL nohasharray -+ds2781_battery_io_47698 ds2781_battery_io 3-4 47698 &create_tx_ctx_47698 -+packet_recvmsg_47700 packet_recvmsg 4-0 47700 NULL -+inet_sendmsg_47705 inet_sendmsg 4-0 47705 NULL -+max8907_rtc_set_alarm_47711 max8907_rtc_set_alarm 0 47711 NULL -+save_microcode_47717 save_microcode 3 47717 NULL -+show_prochot_avg_47718 show_prochot_avg 0 47718 NULL -+wl1251_fetch_firmware_47724 wl1251_fetch_firmware 0 47724 NULL -+wimax_show_47727 wimax_show 0 47727 NULL -+__sock_sendmsg_nosec_47729 __sock_sendmsg_nosec 0-4 47729 NULL -+hvc_write_room_47730 hvc_write_room 0 47730 NULL -+walk_page_test_47731 walk_page_test 0 47731 NULL -+bits_to_user_47733 bits_to_user 3-2 47733 NULL -+sockfs_listxattr_47735 sockfs_listxattr 0-3 47735 NULL nohasharray -+ov9740_s_fmt_47735 ov9740_s_fmt 0 47735 &sockfs_listxattr_47735 -+notify_send_pre_block_47736 notify_send_pre_block 0 47736 NULL -+hdaps_read_pair_47737 hdaps_read_pair 0 47737 NULL -+carl9170_debugfs_read_47738 carl9170_debugfs_read 3-0 47738 NULL -+qla2x00_drvr_version_show_47742 qla2x00_drvr_version_show 0 47742 NULL -+ir_prepare_write_buffer_47747 ir_prepare_write_buffer 3 47747 NULL nohasharray -+use_zero_page_show_47747 use_zero_page_show 0 47747 &ir_prepare_write_buffer_47747 -+hpfs_write_end_47748 hpfs_write_end 5-0 47748 NULL nohasharray -+rose_add_loopback_node_47748 rose_add_loopback_node 0 47748 &hpfs_write_end_47748 nohasharray -+usb2_hardware_lpm_store_47748 usb2_hardware_lpm_store 0-4 47748 &rose_add_loopback_node_47748 -+mvumi_alloc_mem_resource_47750 mvumi_alloc_mem_resource 3 47750 NULL -+ext3_find_near_47752 ext3_find_near 0 47752 NULL -+mwl8k_feed_fw_image_47753 mwl8k_feed_fw_image 0 47753 NULL -+alloc_sched_domains_47756 alloc_sched_domains 1 47756 NULL -+csio_show_hw_state_47767 csio_show_hw_state 0 47767 NULL nohasharray -+wl1251_fetch_nvs_47767 wl1251_fetch_nvs 0 47767 &csio_show_hw_state_47767 -+broken_parity_status_show_47772 broken_parity_status_show 0 47772 NULL -+uwb_ie_dump_hex_47774 uwb_ie_dump_hex 4-0 47774 NULL -+i8k_get_fan_speed_47779 i8k_get_fan_speed 0 47779 NULL -+carl9170_set_mac_reg_47780 carl9170_set_mac_reg 0 47780 NULL nohasharray -+SyS_setgroups16_47780 SyS_setgroups16 1 47780 &carl9170_set_mac_reg_47780 -+error_error_numll_frame_cts_start_read_47781 error_error_numll_frame_cts_start_read 3-0 47781 NULL -+vfio_device_fops_read_47786 vfio_device_fops_read 0-3 47786 NULL -+posix_acl_fix_xattr_from_user_47793 posix_acl_fix_xattr_from_user 2 47793 NULL nohasharray -+o2hb_region_show_47793 o2hb_region_show 0 47793 &posix_acl_fix_xattr_from_user_47793 -+show_id_47795 show_id 0 47795 NULL -+sl_open_47801 sl_open 0 47801 NULL -+hello_timer_show_47803 hello_timer_show 0 47803 NULL -+W6692_empty_Bfifo_47804 W6692_empty_Bfifo 2 47804 NULL nohasharray -+store_fc_vport_disable_47804 store_fc_vport_disable 0-4 47804 &W6692_empty_Bfifo_47804 -+lov_packmd_47810 lov_packmd 0 47810 NULL -+show_counter_tx_flow_pkts_47812 show_counter_tx_flow_pkts 0 47812 NULL -+show_fan_full_speed_47818 show_fan_full_speed 0 47818 NULL -+cifs_iovec_write_47822 cifs_iovec_write 0 47822 NULL -+tree_mod_log_insert_move_47823 tree_mod_log_insert_move 5 47823 NULL nohasharray -+nilfs_segctor_last_seg_write_time_show_47823 nilfs_segctor_last_seg_write_time_show 0 47823 &tree_mod_log_insert_move_47823 nohasharray -+koneplus_sysfs_write_sensor_47823 koneplus_sysfs_write_sensor 0-6-5 47823 &nilfs_segctor_last_seg_write_time_show_47823 -+show_temp_max10_47828 show_temp_max10 0 47828 NULL -+read_file_spectral_bins_47829 read_file_spectral_bins 3-0 47829 NULL -+mb862xx_xfer_47831 mb862xx_xfer 0-3 47831 NULL nohasharray -+regulator_suspend_mem_uV_show_47831 regulator_suspend_mem_uV_show 0 47831 &mb862xx_xfer_47831 -+target_fabric_port_store_attr_alua_tg_pt_write_md_47833 target_fabric_port_store_attr_alua_tg_pt_write_md 0-3 47833 NULL -+rtl_store_debug_level_47834 rtl_store_debug_level 0-4 47834 NULL -+pinconf_dbg_config_write_47835 pinconf_dbg_config_write 3-0 47835 NULL nohasharray -+lanai_send_47835 lanai_send 0 47835 &pinconf_dbg_config_write_47835 -+raw_sendmsg_47838 raw_sendmsg 3 47838 NULL -+cmos_nvram_write_47839 cmos_nvram_write 0-6-5 47839 NULL -+did_show_47843 did_show 0 47843 NULL nohasharray -+alloc_ringdesc_47843 alloc_ringdesc 0 47843 &did_show_47843 -+gfs2_aspace_writepage_47845 gfs2_aspace_writepage 0 47845 NULL -+wil_request_firmware_47846 wil_request_firmware 0 47846 NULL nohasharray -+qla4_82xx_start_firmware_47846 qla4_82xx_start_firmware 0 47846 &wil_request_firmware_47846 -+ecryptfs_write_inode_size_to_xattr_47848 ecryptfs_write_inode_size_to_xattr 0 47848 NULL nohasharray -+setauthsize_47848 setauthsize 0 47848 &ecryptfs_write_inode_size_to_xattr_47848 -+reg_clear_47849 reg_clear 0 47849 NULL -+ath10k_pci_diag_write32_47850 ath10k_pci_diag_write32 0 47850 NULL -+__iscsi_nacl_auth_store_password_mutual_47853 __iscsi_nacl_auth_store_password_mutual 0-3 47853 NULL -+ixgbe_change_mtu_47865 ixgbe_change_mtu 0 47865 NULL -+copy_47869 copy 0 47869 NULL -+v9fs_file_fsync_47873 v9fs_file_fsync 0 47873 NULL nohasharray -+psmouse_attr_set_resolution_47873 psmouse_attr_set_resolution 0-4 47873 &v9fs_file_fsync_47873 -+add_lease_context_47876 add_lease_context 0 47876 NULL -+vhci_read_47878 vhci_read 3-0 47878 NULL -+e100_load_ucode_wait_47882 e100_load_ucode_wait 0 47882 NULL -+array_size_show_47883 array_size_show 0 47883 NULL -+ubi_wl_put_peb_47886 ubi_wl_put_peb 0 47886 NULL -+ds1374_wdt_write_47888 ds1374_wdt_write 0-3 47888 NULL -+keyctl_instantiate_key_common_47889 keyctl_instantiate_key_common 4 47889 NULL -+read_prph_47892 read_prph 0 47892 NULL 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48822 NULL nohasharray -+journal_end_sync_48822 journal_end_sync 0 48822 &smb2_flush_file_48822 -+mci_ue_noinfo_show_48824 mci_ue_noinfo_show 0 48824 NULL -+atomic_counters_read_48827 atomic_counters_read 3-0 48827 NULL -+exchange_bmi_msg_48829 exchange_bmi_msg 0 48829 NULL -+vmci_transport_notify_recv_post_dequeue_48831 vmci_transport_notify_recv_post_dequeue 0 48831 NULL -+vc_do_resize_48842 vc_do_resize 3-4 48842 NULL nohasharray -+vbi_queue_setup_48842 vbi_queue_setup 0 48842 &vc_do_resize_48842 nohasharray -+velocity_get_sset_count_48842 velocity_get_sset_count 0 48842 &vbi_queue_setup_48842 -+ds1511_rtc_set_alarm_48843 ds1511_rtc_set_alarm 0 48843 NULL -+show_host_param_ISCSI_HOST_PARAM_INITIATOR_NAME_48845 show_host_param_ISCSI_HOST_PARAM_INITIATOR_NAME 0 48845 NULL -+il_dbgfs_force_reset_write_48846 il_dbgfs_force_reset_write 0-3 48846 NULL -+insert_queue_48849 insert_queue 0 48849 NULL -+pcnet32_open_48852 pcnet32_open 0 48852 NULL -+rpf_s_ctrl_48853 rpf_s_ctrl 0 48853 NULL 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0-4 49149 &wl1271_ps_elp_wakeup_49149 -+target_core_dev_pr_show_attr_res_pr_all_tgt_pts_49150 target_core_dev_pr_show_attr_res_pr_all_tgt_pts 0 49150 NULL -+atyfb_setup_generic_49151 atyfb_setup_generic 3 49151 NULL nohasharray -+divas_read_49151 divas_read 0-3 49151 &atyfb_setup_generic_49151 nohasharray -+patch_vt1812_49151 patch_vt1812 0 49151 &divas_read_49151 nohasharray -+p9_client_zc_rpc_49151 p9_client_zc_rpc 7 49151 &patch_vt1812_49151 -+bq24190_write_mask_49153 bq24190_write_mask 0 49153 NULL -+ipwireless_tty_received_49154 ipwireless_tty_received 3 49154 NULL -+f2fs_acl_count_49155 f2fs_acl_count 0-1 49155 NULL -+da903x_clr_bits_49158 da903x_clr_bits 0 49158 NULL -+gr_queue_49159 gr_queue 0 49159 NULL -+falcon_a1_mem_map_size_49160 falcon_a1_mem_map_size 0 49160 NULL nohasharray -+fm10k_update_uc_addr_vf_49160 fm10k_update_uc_addr_vf 0 49160 &falcon_a1_mem_map_size_49160 -+ipw_queue_tx_init_49161 ipw_queue_tx_init 3 49161 NULL -+xfs_file_buffered_aio_write_49162 xfs_file_buffered_aio_write 0 49162 NULL -+gpio_setup_irq_49163 gpio_setup_irq 0 49163 NULL -+lpfc_enable_fip_show_49166 lpfc_enable_fip_show 0 49166 NULL nohasharray -+fuse_notify_poll_49166 fuse_notify_poll 0 49166 &lpfc_enable_fip_show_49166 -+ext4_free_clusters_after_init_49174 ext4_free_clusters_after_init 2 49174 NULL -+__jfs_setxattr_49175 __jfs_setxattr 5-0 49175 NULL -+w1_master_probe_49176 w1_master_probe 0 49176 NULL -+ath6kl_bgscan_int_write_49178 ath6kl_bgscan_int_write 3-0 49178 NULL -+dvb_dvr_ioctl_49182 dvb_dvr_ioctl 2 49182 NULL -+phy_device_create_49190 phy_device_create 3 49190 NULL -+vmlfb_set_par_49191 vmlfb_set_par 0 49191 NULL -+xfs_da_grow_inode_49192 xfs_da_grow_inode 0 49192 NULL -+sm501fb_debug_show_pnl_49195 sm501fb_debug_show_pnl 0 49195 NULL -+_iwl_dbgfs_netdetect_write_49196 _iwl_dbgfs_netdetect_write 3-0 49196 NULL -+iwl_dbgfs_ucode_general_stats_read_49199 iwl_dbgfs_ucode_general_stats_read 3-0 49199 NULL nohasharray -+i2c_nuvoton_recv_49199 i2c_nuvoton_recv 0-3 49199 &iwl_dbgfs_ucode_general_stats_read_49199 -+aio_read_null_49202 aio_read_null 0 49202 NULL -+il4965_rs_sta_dbgfs_stats_table_read_49206 il4965_rs_sta_dbgfs_stats_table_read 3-0 49206 NULL -+prepare_for_input_49207 prepare_for_input 0 49207 NULL -+do_jffs2_getxattr_49210 do_jffs2_getxattr 0 49210 NULL -+show_ipInUnknownProtos_49211 show_ipInUnknownProtos 0 49211 NULL -+show_local_ib_port_49215 show_local_ib_port 0 49215 NULL -+ceph_vxattrcb_dir_rbytes_49217 ceph_vxattrcb_dir_rbytes 0 49217 NULL -+target_stat_scsi_auth_intr_show_attr_read_mbytes_49221 target_stat_scsi_auth_intr_show_attr_read_mbytes 0 49221 NULL -+tpm_store_ppi_request_49225 tpm_store_ppi_request 0-4 49225 NULL -+roccat_common2_sysfs_write_profile_settings_49229 roccat_common2_sysfs_write_profile_settings 0-6-5 49229 NULL -+p2m_timeouts_show_49231 p2m_timeouts_show 0 49231 NULL -+smm665_show_crit_alarm_49232 smm665_show_crit_alarm 0 49232 NULL -+show_dh_state_49233 show_dh_state 0 49233 NULL nohasharray -+class_attr_store_49233 class_attr_store 0-4 49233 &show_dh_state_49233 -+stop_discovery_49237 stop_discovery 4 49237 NULL -+atxp1_showvcore_49238 atxp1_showvcore 0 49238 NULL -+v9fs_vfs_getattr_49240 v9fs_vfs_getattr 0 49240 NULL -+lpfc_fcp_class_show_49242 lpfc_fcp_class_show 0 49242 NULL nohasharray -+store_49242 store 0 49242 &lpfc_fcp_class_show_49242 -+ks8851_net_open_49243 ks8851_net_open 0 49243 NULL -+iio_buffer_read_length_49246 iio_buffer_read_length 0 49246 NULL -+get_write_access_49253 get_write_access 0 49253 NULL -+pmbus_regulator_disable_49257 pmbus_regulator_disable 0 49257 NULL nohasharray -+rtl2832_sdr_submit_urbs_49257 rtl2832_sdr_submit_urbs 0 49257 &pmbus_regulator_disable_49257 -+selinux_netlink_send_49259 selinux_netlink_send 0 49259 NULL nohasharray -+max8997_rtc_stop_alarm_49259 max8997_rtc_stop_alarm 0 49259 &selinux_netlink_send_49259 -+ieee80211_if_read_rssi_threshold_49260 ieee80211_if_read_rssi_threshold 3-0 49260 NULL -+__smsc75xx_read_reg_49264 __smsc75xx_read_reg 0 49264 NULL -+capture_pcm_prepare_49266 capture_pcm_prepare 0 49266 NULL -+isku_sysfs_read_keys_media_49268 isku_sysfs_read_keys_media 6-0-5 49268 NULL -+osd_req_add_get_attr_list_49278 osd_req_add_get_attr_list 3 49278 NULL nohasharray -+show_conn_param_ISCSI_PARAM_DATADGST_EN_49278 show_conn_param_ISCSI_PARAM_DATADGST_EN 0 49278 &osd_req_add_get_attr_list_49278 -+rx_filter_beacon_filter_read_49279 rx_filter_beacon_filter_read 3-0 49279 NULL -+nilfs_bmap_assign_49282 nilfs_bmap_assign 0 49282 NULL -+store_49284 store 0 49284 NULL -+ext4_xattr_ibody_list_49287 ext4_xattr_ibody_list 0 49287 NULL nohasharray -+node_read_distance_49287 node_read_distance 0 49287 &ext4_xattr_ibody_list_49287 -+viafb_dfph_proc_write_49288 viafb_dfph_proc_write 3-0 49288 NULL -+store_49298 store 0-3 49298 NULL -+__niu_set_and_wait_clear_49299 __niu_set_and_wait_clear 0 49299 NULL -+uio_read_49300 uio_read 3-0 49300 NULL -+ocfs2_resmap_find_free_bits_49301 ocfs2_resmap_find_free_bits 3 49301 NULL -+bch_bset_print_stats_49303 bch_bset_print_stats 0 49303 NULL -+cyapa_gen5_suspend_scanning_49305 cyapa_gen5_suspend_scanning 0 49305 NULL -+isku_sysfs_read_keys_macro_49312 isku_sysfs_read_keys_macro 6-0-5 49312 NULL -+request_locality_49318 request_locality 0 49318 NULL -+SYSC_mincore_49319 SYSC_mincore 2-1 49319 NULL -+stream_enqueue_49324 stream_enqueue 0 49324 NULL -+fwtty_port_handler_49327 fwtty_port_handler 9 49327 NULL -+show_freq_49329 show_freq 0 49329 NULL -+srpt_alloc_ioctx_ring_49330 srpt_alloc_ioctx_ring 3-4-2 49330 NULL -+statfs_slow_fill_49342 statfs_slow_fill 0 49342 NULL -+cfpkt_setlen_49343 cfpkt_setlen 2 49343 NULL -+ipath_set_rx_pol_inv_49344 ipath_set_rx_pol_inv 0 49344 NULL -+_nfs4_do_setlk_49351 _nfs4_do_setlk 0 49351 NULL -+i40e_vsi_configure_49352 i40e_vsi_configure 0 49352 NULL -+inet6_getname_49353 inet6_getname 0 49353 NULL nohasharray -+pch_can_open_49353 pch_can_open 0 49353 &inet6_getname_49353 -+show_ipv6_iface_traffic_class_49355 show_ipv6_iface_traffic_class 0 49355 NULL nohasharray -+execute_49355 execute 0 49355 &show_ipv6_iface_traffic_class_49355 -+joydev_ioctl_common_49359 joydev_ioctl_common 2 49359 NULL -+input_dev_show_cap_snd_49368 input_dev_show_cap_snd 0 49368 NULL -+avtab_init_49369 avtab_init 0 49369 NULL -+px_raw_event_49371 px_raw_event 4 49371 NULL -+resync_start_show_49372 resync_start_show 0 49372 NULL -+da9052_bat_get_property_49379 da9052_bat_get_property 0 49379 NULL -+show_rpm_max_49388 show_rpm_max 0 49388 NULL -+iscsi_alloc_session_49390 iscsi_alloc_session 3 49390 NULL -+__ioremap_caller_49392 __ioremap_caller 2-1 49392 NULL nohasharray -+applesmc_create_nodes_49392 applesmc_create_nodes 2 49392 &__ioremap_caller_49392 -+show_sas_spec_support_status_49396 show_sas_spec_support_status 0 49396 NULL nohasharray -+rtsx_transfer_sglist_adma_partial_49396 rtsx_transfer_sglist_adma_partial 4 49396 &show_sas_spec_support_status_49396 -+bh1770_lux_calib_store_49400 bh1770_lux_calib_store 0-4 49400 NULL -+rx_streaming_always_read_49401 rx_streaming_always_read 3-0 49401 NULL -+acpi_ds_execute_arguments_49406 acpi_ds_execute_arguments 0 49406 NULL -+tnode_alloc_49407 tnode_alloc 1 49407 NULL -+rivafb_set_par_49411 rivafb_set_par 0 49411 NULL -+tdfxfb_set_par_49414 tdfxfb_set_par 0 49414 NULL -+__mce_read_apei_49415 __mce_read_apei 0 49415 NULL -+quirk_pcie_aspm_write_49416 quirk_pcie_aspm_write 0 49416 NULL -+kbd_backlight_mode_store_49419 kbd_backlight_mode_store 0-4 49419 NULL -+iscsi_nacl_attrib_show_random_r2t_offsets_49422 iscsi_nacl_attrib_show_random_r2t_offsets 0 49422 NULL -+hdmiphy_s_stream_49426 hdmiphy_s_stream 0 49426 NULL nohasharray -+gfs2_quota_check_49426 gfs2_quota_check 0 49426 &hdmiphy_s_stream_49426 -+et131x_get_regs_len_49430 et131x_get_regs_len 0 49430 NULL -+ds1685_rtc_read_time_49432 ds1685_rtc_read_time 0 49432 NULL -+probe_kernel_read_49437 probe_kernel_read 0 49437 NULL -+compat_do_msg_fill_49440 compat_do_msg_fill 3 49440 NULL -+sctp_auth_asoc_init_active_key_49442 sctp_auth_asoc_init_active_key 0 49442 NULL -+i915_gem_object_set_to_gtt_domain_49450 i915_gem_object_set_to_gtt_domain 0 49450 NULL -+set_pwm_en_49451 set_pwm_en 0-4 49451 NULL -+__hfsplus_getxattr_49460 __hfsplus_getxattr 0 49460 NULL -+be_mcc_compl_process_49462 be_mcc_compl_process 0 49462 NULL -+agp_3_5_isochronous_node_enable_49465 agp_3_5_isochronous_node_enable 3 49465 NULL -+snd_ymfpci_capture_trigger_49466 snd_ymfpci_capture_trigger 0 49466 NULL -+mmc_name_show_49467 mmc_name_show 0 49467 NULL -+xfs_iformat_local_49472 xfs_iformat_local 4 49472 NULL -+dn_nsp_do_disc_49474 dn_nsp_do_disc 6-2 49474 NULL -+buf_prepare_49476 buf_prepare 0 49476 NULL -+fan_fan2_input_show_49478 fan_fan2_input_show 0 49478 NULL -+rhine_vlan_rx_add_vid_49482 rhine_vlan_rx_add_vid 0 49482 NULL -+tipc_bclink_get_mtu_49483 tipc_bclink_get_mtu 0 49483 NULL nohasharray -+esp4_get_mtu_49483 esp4_get_mtu 0-2 49483 &tipc_bclink_get_mtu_49483 nohasharray -+b43legacy_validate_chipaccess_49483 b43legacy_validate_chipaccess 0 49483 &esp4_get_mtu_49483 -+ath10k_wmi_set_sta_ps_param_49484 ath10k_wmi_set_sta_ps_param 0 49484 NULL -+isr_decrypt_done_read_49490 isr_decrypt_done_read 3-0 49490 NULL -+r820t_read_49492 r820t_read 0-4 49492 NULL -+tpacpi_driver_wwan_emulstate_show_49494 tpacpi_driver_wwan_emulstate_show 0 49494 NULL -+ismt_access_49498 ismt_access 0 49498 NULL -+ql3xxx_open_49499 ql3xxx_open 0 49499 NULL -+show_fnode_tsid_49500 show_fnode_tsid 0 49500 NULL -+show_dts_ext_49503 show_dts_ext 0 49503 NULL -+acpi_ex_write_with_update_rule_49505 acpi_ex_write_with_update_rule 0 49505 NULL -+wake_lock_show_49508 wake_lock_show 0 49508 NULL -+show_offset_49516 show_offset 0 49516 NULL -+iwl_dbgfs_disable_power_off_read_49517 iwl_dbgfs_disable_power_off_read 3-0 49517 NULL nohasharray -+smp_execute_task_49517 smp_execute_task 0 49517 &iwl_dbgfs_disable_power_off_read_49517 -+pch_gbe_open_49518 pch_gbe_open 0 49518 NULL -+SyS_listxattr_49519 SyS_listxattr 3 49519 NULL -+__sock_recvmsg_nosec_49520 __sock_recvmsg_nosec 0-4 49520 NULL nohasharray -+emulator_write_phys_49520 emulator_write_phys 2 49520 &__sock_recvmsg_nosec_49520 -+xgbe_change_mtu_49524 xgbe_change_mtu 2-0 49524 NULL -+show_tcpOutSegs_49528 show_tcpOutSegs 0 49528 NULL nohasharray -+light_write_49528 light_write 0 49528 &show_tcpOutSegs_49528 nohasharray -+read_partial_49528 read_partial 2 49528 &light_write_49528 -+tda18271_write_regs_49537 tda18271_write_regs 0 49537 NULL -+netxen_issue_cmd_49538 netxen_issue_cmd 0 49538 NULL -+squashfs_trusted_list_49541 squashfs_trusted_list 0-5 49541 NULL -+s6e63m0_sysfs_show_gamma_table_49544 s6e63m0_sysfs_show_gamma_table 0 49544 NULL -+ntc_show_type_49546 ntc_show_type 0 49546 NULL -+show_attr_textmode_49550 show_attr_textmode 0 49550 NULL -+MIDIbuf_read_49551 MIDIbuf_read 0 49551 NULL -+__brcmf_cfg80211_up_49557 __brcmf_cfg80211_up 0 49557 NULL -+rx_queue_add_kobject_49559 rx_queue_add_kobject 0 49559 NULL -+smk_write_access_49561 smk_write_access 3-0 49561 NULL -+read_status_49562 read_status 0 49562 NULL -+proc_dev_atm_read_49563 proc_dev_atm_read 0-3 49563 NULL -+nilfs_btree_delete_49566 nilfs_btree_delete 0 49566 NULL -+show_taint_49568 show_taint 0 49568 NULL nohasharray -+hsr_netdev_notify_49568 hsr_netdev_notify 0 49568 &show_taint_49568 -+major_show_49571 major_show 0 49571 NULL -+ntfs_malloc_nofs_49572 ntfs_malloc_nofs 1 49572 NULL -+alloc_chunk_49575 alloc_chunk 1 49575 NULL -+sctp_setsockopt_default_send_param_49578 sctp_setsockopt_default_send_param 3-0 49578 NULL -+show_in_alarm_49582 show_in_alarm 0 49582 NULL -+readfifo_49583 readfifo 1 49583 NULL -+gfs2_quota_lock_49587 gfs2_quota_lock 0 49587 NULL -+cpu_mask_to_apicid_and_49589 cpu_mask_to_apicid_and 0 49589 NULL nohasharray -+aty_valid_pll_ct_49589 aty_valid_pll_ct 0 49589 &cpu_mask_to_apicid_and_49589 -+usbhid_get_power_49590 usbhid_get_power 0 49590 NULL -+frag_rx_path_49593 frag_rx_path 3 49593 NULL -+evm_inode_setattr_49594 evm_inode_setattr 0 49594 NULL nohasharray -+tpacpi_rfk_sysfs_enable_store_49594 tpacpi_rfk_sysfs_enable_store 0-4 49594 &evm_inode_setattr_49594 -+elants_i2c_fw_update_49595 elants_i2c_fw_update 0 49595 NULL -+snd_emu10k1_efx_playback_prepare_49597 snd_emu10k1_efx_playback_prepare 0 49597 NULL -+ceph_key_preparse_49602 ceph_key_preparse 0 49602 NULL -+usbtv_select_input_49603 usbtv_select_input 0 49603 NULL -+ocfs2_xattr_trusted_list_49606 ocfs2_xattr_trusted_list 0-5 49606 NULL nohasharray -+mcs7830_hif_set_mac_address_49606 mcs7830_hif_set_mac_address 0 49606 &ocfs2_xattr_trusted_list_49606 nohasharray -+pch_phub_write_gbe_mac_addr_49606 pch_phub_write_gbe_mac_addr 0 49606 &mcs7830_hif_set_mac_address_49606 -+isr_wakeups_read_49607 isr_wakeups_read 3-0 49607 NULL -+f_get_base_info_49609 f_get_base_info 0 49609 NULL -+show_therm_crit_alarm_49611 show_therm_crit_alarm 0 49611 NULL -+cfq_group_idle_show_49612 cfq_group_idle_show 0 49612 NULL -+compat_SyS_fcntl64_49613 compat_SyS_fcntl64 3 49613 NULL -+qla4_83xx_set_idc_ver_49615 qla4_83xx_set_idc_ver 0 49615 NULL -+btrfs_mksubvol_49616 btrfs_mksubvol 3 49616 NULL nohasharray -+mt2060_get_if_frequency_49616 mt2060_get_if_frequency 0 49616 &btrfs_mksubvol_49616 -+xfs_attr3_leaf_add_49617 xfs_attr3_leaf_add 0 49617 NULL -+vt596_transaction_49618 vt596_transaction 0 49618 NULL -+smk_write_doi_49621 smk_write_doi 3-0 49621 NULL nohasharray -+ath10k_htc_init_49621 ath10k_htc_init 0 49621 &smk_write_doi_49621 -+port_fops_read_49626 port_fops_read 3-0 49626 NULL -+v4l2_m2m_qbuf_49627 v4l2_m2m_qbuf 0 49627 NULL -+btrfsic_cmp_log_and_dev_bytenr_49628 btrfsic_cmp_log_and_dev_bytenr 2 49628 NULL -+ecryptfs_permission_49634 ecryptfs_permission 0 49634 NULL nohasharray -+cbaf_cdid_get_49634 cbaf_cdid_get 0 49634 &ecryptfs_permission_49634 -+rds_notify_queue_get_49635 rds_notify_queue_get 0 49635 NULL -+raw_enable_allfilters_49639 raw_enable_allfilters 0 49639 NULL -+max_user_freq_show_49643 max_user_freq_show 0 49643 NULL -+pyra_sysfs_read_info_49669 pyra_sysfs_read_info 0-5-6 49669 NULL -+match_int_49672 match_int 0 49672 NULL -+__hci_req_sync_49680 __hci_req_sync 0 49680 NULL -+ubi_wl_flush_49682 ubi_wl_flush 0 49682 NULL -+aa_simple_write_to_buffer_49683 aa_simple_write_to_buffer 4-3 49683 NULL nohasharray -+lp5562_run_predef_led_pattern_49683 lp5562_run_predef_led_pattern 0 49683 &aa_simple_write_to_buffer_49683 -+SyS_pwritev_49688 SyS_pwritev 3 49688 NULL -+fw_status_49690 fw_status 0 49690 NULL -+__setup_irq_49696 __setup_irq 0 49696 NULL -+sys_gethostname_49698 sys_gethostname 2 49698 NULL -+tcp_sacktag_walk_49703 tcp_sacktag_walk 5-6 49703 NULL nohasharray -+snd_usb_endpoint_set_params_49703 snd_usb_endpoint_set_params 0 49703 &tcp_sacktag_walk_49703 -+picolcd_operation_mode_delay_show_49709 picolcd_operation_mode_delay_show 0 49709 NULL -+vnic_dev_add_addr_49710 vnic_dev_add_addr 0 49710 NULL nohasharray -+do_iter_readv_writev_49710 do_iter_readv_writev 0 49710 &vnic_dev_add_addr_49710 -+show_online_49713 show_online 0 49713 NULL -+do_splice_to_49714 do_splice_to 0-4 49714 NULL -+write_pool_49718 write_pool 3-0 49718 NULL -+create_modalias_49720 create_modalias 0 49720 NULL -+alloc_kmem_cache_node_49725 alloc_kmem_cache_node 0 49725 NULL -+__netlink_insert_49728 __netlink_insert 0 49728 NULL -+pcnet_open_49729 pcnet_open 0 49729 NULL -+dev_pm_qos_constraints_allocate_49731 dev_pm_qos_constraints_allocate 0 49731 NULL -+sys_fsetxattr_49736 sys_fsetxattr 4 49736 NULL -+write_exec_49737 write_exec 0 49737 NULL nohasharray -+cbaf_send_host_info_49737 cbaf_send_host_info 0 49737 &write_exec_49737 -+check_frame_49741 check_frame 0 49741 NULL -+ixgbe_vlan_rx_add_vid_49743 ixgbe_vlan_rx_add_vid 0 49743 NULL -+zd_usb_iowrite16v_49744 zd_usb_iowrite16v 3 49744 NULL nohasharray -+iio_show_dev_name_49744 iio_show_dev_name 0 49744 &zd_usb_iowrite16v_49744 -+show_usblim_49746 show_usblim 0 49746 NULL nohasharray -+uvc_init_video_49746 uvc_init_video 0 49746 &show_usblim_49746 -+firmware_loading_show_49748 firmware_loading_show 0 49748 NULL -+__niu_wait_bits_clear_ipp_49750 __niu_wait_bits_clear_ipp 0 49750 NULL nohasharray -+snd_hdac_get_connections_49750 snd_hdac_get_connections 0 49750 &__niu_wait_bits_clear_ipp_49750 -+btrfs_chunk_num_stripes_49751 btrfs_chunk_num_stripes 0 49751 NULL -+fuse_wr_pages_49753 fuse_wr_pages 0-2-1 49753 NULL -+lifetime_write_kbytes_show_49754 lifetime_write_kbytes_show 0 49754 NULL -+pb0100_set_red_balance_49756 pb0100_set_red_balance 0 49756 NULL -+nci_skb_alloc_49757 nci_skb_alloc 2 49757 NULL -+key_conf_keylen_read_49758 key_conf_keylen_read 3-0 49758 NULL nohasharray -+cfg80211_vendor_event_alloc_49758 cfg80211_vendor_event_alloc 2 49758 &key_conf_keylen_read_49758 nohasharray -+zr364xx_prepare_49758 zr364xx_prepare 0 49758 &cfg80211_vendor_event_alloc_49758 -+acpi_ps_get_next_namepath_49760 acpi_ps_get_next_namepath 0 49760 NULL 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51793 NULL -+pccard_store_insert_51794 pccard_store_insert 0-4 51794 NULL -+every_nth_store_51795 every_nth_store 0-3 51795 NULL -+hfsplus_listxattr_51796 hfsplus_listxattr 0-3 51796 NULL -+c2port_write_flash_data_51797 c2port_write_flash_data 0-5-6 51797 NULL -+pm_qos_resume_latency_show_51798 pm_qos_resume_latency_show 0 51798 NULL -+acpi_table_parse_entries_51801 acpi_table_parse_entries 0 51801 NULL -+fc0013_set_params_51810 fc0013_set_params 0 51810 NULL -+qlcnic_82xx_get_pci_info_51814 qlcnic_82xx_get_pci_info 0 51814 NULL nohasharray -+store_51814 store 0-3 51814 &qlcnic_82xx_get_pci_info_51814 -+edd_show_default_cylinders_51815 edd_show_default_cylinders 0 51815 NULL -+qib_alloc_devdata_51819 qib_alloc_devdata 2 51819 NULL -+scsi_format_opcode_name_51826 scsi_format_opcode_name 0-2 51826 NULL nohasharray -+buffer_from_user_51826 buffer_from_user 3 51826 &scsi_format_opcode_name_51826 -+MoxaPortTxFree_51829 MoxaPortTxFree 0 51829 NULL -+topology_add_dev_51831 topology_add_dev 0 51831 NULL -+_write_user_prot_reg_51832 _write_user_prot_reg 0 51832 NULL -+rbd_dev_v1_header_info_51837 rbd_dev_v1_header_info 0 51837 NULL -+write_packet_51838 write_packet 0 51838 NULL -+wl1251_acx_sg_enable_51840 wl1251_acx_sg_enable 0 51840 NULL nohasharray -+store_filter_select_51840 store_filter_select 0-4 51840 &wl1251_acx_sg_enable_51840 -+uinput_setup_device_51841 uinput_setup_device 0 51841 NULL -+zd_set_encryption_type_51842 zd_set_encryption_type 0 51842 NULL -+raw6_getfrag_51846 raw6_getfrag 3-4 51846 NULL nohasharray -+wwan_store_51846 wwan_store 4-0 51846 &raw6_getfrag_51846 -+ioread32_51847 ioread32 0 51847 NULL nohasharray -+read_file_tgt_tx_stats_51847 read_file_tgt_tx_stats 3-0 51847 &ioread32_51847 -+do_readv_writev_51849 do_readv_writev 4-0 51849 NULL -+vti6_dev_init_51851 vti6_dev_init 0 51851 NULL nohasharray -+set_interval_51851 set_interval 0-4 51851 &vti6_dev_init_51851 -+SYSC_sendto_51852 SYSC_sendto 6-3 51852 NULL nohasharray -+set_frame_retries_51852 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52343 NULL -+tcs3414_buffer_predisable_52350 tcs3414_buffer_predisable 0 52350 NULL -+pscsi_configure_device_52352 pscsi_configure_device 0 52352 NULL -+ds1672_get_control_52353 ds1672_get_control 0 52353 NULL -+ina209_show_interval_52354 ina209_show_interval 0 52354 NULL -+i40e_vsi_control_rings_52357 i40e_vsi_control_rings 0 52357 NULL -+ieee80211_rx_radiotap_hdrlen_52359 ieee80211_rx_radiotap_hdrlen 0 52359 NULL -+show_iostat_counterbits_52360 show_iostat_counterbits 0 52360 NULL -+tx_bytes_show_52361 tx_bytes_show 0 52361 NULL nohasharray -+label_vga_52361 label_vga 0 52361 &tx_bytes_show_52361 -+show_counter_rx_p8_hdr_egr_ovfls_52362 show_counter_rx_p8_hdr_egr_ovfls 0 52362 NULL nohasharray -+cap_inode_killpriv_52362 cap_inode_killpriv 0 52362 &show_counter_rx_p8_hdr_egr_ovfls_52362 -+copy_entries_to_user_52367 copy_entries_to_user 1 52367 NULL nohasharray -+ssb_attr_sprom_show_52367 ssb_attr_sprom_show 0 52367 &copy_entries_to_user_52367 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xfs_dir2_sf_addname_hard 3 54254 NULL -+venus_setattr_54255 venus_setattr 0 54255 NULL -+queue_logical_block_size_show_54257 queue_logical_block_size_show 0 54257 NULL -+ceph_msgpool_get_54258 ceph_msgpool_get 2 54258 NULL -+iwl_pcie_set_cmd_in_flight_54259 iwl_pcie_set_cmd_in_flight 0 54259 NULL nohasharray -+inv_reset_fifo_54259 inv_reset_fifo 0 54259 &iwl_pcie_set_cmd_in_flight_54259 -+audio_write_54261 audio_write 4-0 54261 NULL nohasharray -+wusb_prf_54261 wusb_prf 7-0 54261 &audio_write_54261 nohasharray -+asus_wmi_get_devstate_bits_54261 asus_wmi_get_devstate_bits 0-3 54261 &wusb_prf_54261 nohasharray -+bond_option_primary_reselect_set_54261 bond_option_primary_reselect_set 0 54261 &asus_wmi_get_devstate_bits_54261 -+get_temp_alarm_54267 get_temp_alarm 0 54267 NULL -+mwifiex_getlog_read_54269 mwifiex_getlog_read 3-0 54269 NULL -+kstrtou16_from_user_54274 kstrtou16_from_user 2 54274 NULL -+snd_hda_query_supported_pcm_54275 snd_hda_query_supported_pcm 0 54275 NULL 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crc32_pclmul_init 0 54305 NULL -+sprintf_54306 sprintf 0 54306 NULL -+path_setxattr_54308 path_setxattr 4 54308 NULL -+mlx4_en_create_rx_ring_54315 mlx4_en_create_rx_ring 3 54315 NULL -+kone_set_settings_54317 kone_set_settings 0 54317 NULL -+qlcnic_sriov_cfg_vf_guest_vlan_54318 qlcnic_sriov_cfg_vf_guest_vlan 0 54318 NULL -+bio_add_pc_page_54319 bio_add_pc_page 4 54319 NULL nohasharray -+snd_hwdep_write_54319 snd_hwdep_write 0-3 54319 &bio_add_pc_page_54319 -+setup_data_data_read_54324 setup_data_data_read 0-5-6 54324 NULL -+elan_i2c_calibrate_54325 elan_i2c_calibrate 0 54325 NULL -+pn_raw_send_54330 pn_raw_send 2 54330 NULL -+bnx2_setup_int_mode_54335 bnx2_setup_int_mode 0 54335 NULL -+ocrdma_addr_event_54337 ocrdma_addr_event 0 54337 NULL -+ths7303_s_stream_54338 ths7303_s_stream 0 54338 NULL -+br_fdb_fillbuf_54339 br_fdb_fillbuf 0 54339 NULL nohasharray -+ks0127_s_stream_54339 ks0127_s_stream 0 54339 &br_fdb_fillbuf_54339 -+da9052_enable_vddout_channel_54341 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55291 NULL -+apds990x_lux_thresh_above_store_55296 apds990x_lux_thresh_above_store 0-4 55296 NULL -+lov_get_stripecnt_55297 lov_get_stripecnt 0-3 55297 NULL -+show_session_param_ISCSI_PARAM_TPGT_55299 show_session_param_ISCSI_PARAM_TPGT 0 55299 NULL -+gsm_control_modem_55303 gsm_control_modem 3 55303 NULL -+__get_vm_area_node_55305 __get_vm_area_node 1 55305 NULL nohasharray -+qp_alloc_guest_work_55305 qp_alloc_guest_work 3-5 55305 &__get_vm_area_node_55305 nohasharray -+compat_SyS_process_vm_readv_55305 compat_SyS_process_vm_readv 3-5 55305 &qp_alloc_guest_work_55305 -+adxl34x_rate_show_55315 adxl34x_rate_show 0 55315 NULL -+w5100_get_regs_len_55317 w5100_get_regs_len 0 55317 NULL -+compat_SyS_mbind_55329 compat_SyS_mbind 5 55329 NULL -+show_fc_host_port_state_55331 show_fc_host_port_state 0 55331 NULL -+gpio_trig_gpio_show_55336 gpio_trig_gpio_show 0 55336 NULL -+reg_read_55337 reg_read 0 55337 NULL -+vme_user_read_55338 vme_user_read 3 55338 NULL -+__set_pwm_55339 __set_pwm 0 55339 NULL -+read_byte_55340 read_byte 0 55340 NULL -+__wa_xfer_setup_sizes_55342 __wa_xfer_setup_sizes 0 55342 NULL -+SYSC_recvfrom_55346 SYSC_recvfrom 3 55346 NULL -+udf_writepage_55347 udf_writepage 0 55347 NULL -+device_user_lock_55350 device_user_lock 0 55350 NULL -+show_in0_max_55351 show_in0_max 0 55351 NULL -+i915_gem_obj_offset_view_55353 i915_gem_obj_offset_view 0 55353 NULL -+input_dev_show_cap_ff_55354 input_dev_show_cap_ff 0 55354 NULL nohasharray -+set_nic_info_55354 set_nic_info 0 55354 &input_dev_show_cap_ff_55354 -+relay_hotcpu_callback_55355 relay_hotcpu_callback 0 55355 NULL -+tps80031_reads_55356 tps80031_reads 0 55356 NULL -+dsbr100_start_55357 dsbr100_start 0 55357 NULL nohasharray -+attr_select_right_store_tpkbd_55357 attr_select_right_store_tpkbd 0-4 55357 &dsbr100_start_55357 -+do_command_55363 do_command 0 55363 NULL -+vb2_reqbufs_55367 vb2_reqbufs 0 55367 NULL -+cxacru_sysfs_show_line_startable_55372 cxacru_sysfs_show_line_startable 0 55372 NULL 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6 55590 NULL -+write_inode_55592 write_inode 0 55592 NULL -+ufx_reg_write_55594 ufx_reg_write 0 55594 NULL -+ip_vs_reply6_55598 ip_vs_reply6 0 55598 NULL -+kstrtou8_from_user_55599 kstrtou8_from_user 2-0 55599 NULL -+SyS_keyctl_55602 SyS_keyctl 4 55602 NULL -+mlx4_set_port_mac_table_55603 mlx4_set_port_mac_table 0 55603 NULL -+tg3_set_mac_addr_55606 tg3_set_mac_addr 0 55606 NULL -+allocate_without_wrapping_disk_55607 allocate_without_wrapping_disk 4 55607 NULL nohasharray -+delete_child_55607 delete_child 0-4 55607 &allocate_without_wrapping_disk_55607 -+dspcreate_55610 dspcreate 0 55610 NULL -+selinux_setprocattr_55611 selinux_setprocattr 4-0 55611 NULL -+fastopen_init_queue_55615 fastopen_init_queue 0 55615 NULL -+__qbuf_dmabuf_55617 __qbuf_dmabuf 0 55617 NULL -+edge_tty_recv_55622 edge_tty_recv 3 55622 NULL nohasharray -+set_oversampling_55622 set_oversampling 0-4 55622 &edge_tty_recv_55622 -+snd_pcm_hw_param_last_55624 snd_pcm_hw_param_last 0 55624 NULL 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autosuspend_delay_ms_store 0-4 56005 NULL -+soft_store_56006 soft_store 0-4 56006 NULL -+tda18271_set_params_56008 tda18271_set_params 0 56008 NULL -+irda_listen_56013 irda_listen 0 56013 NULL nohasharray -+int3403_set_cur_state_56013 int3403_set_cur_state 0 56013 &irda_listen_56013 -+batadv_interface_set_mac_addr_56014 batadv_interface_set_mac_addr 0 56014 NULL -+integrity_tag_size_show_56019 integrity_tag_size_show 0 56019 NULL -+ssb_bus_pcmciabus_register_56020 ssb_bus_pcmciabus_register 3 56020 NULL -+cp_init_rings_56021 cp_init_rings 0 56021 NULL -+toshiba_panel_power_on_set_56025 toshiba_panel_power_on_set 0 56025 NULL -+hotkey_get_tablet_mode_56028 hotkey_get_tablet_mode 0 56028 NULL nohasharray -+rtl8169_init_ring_56028 rtl8169_init_ring 0 56028 &hotkey_get_tablet_mode_56028 -+acpi_get_name_56030 acpi_get_name 0 56030 NULL -+nfs_write_end_56034 nfs_write_end 0-5 56034 NULL -+vmci_ctx_enqueue_datagram_56035 vmci_ctx_enqueue_datagram 0 56035 NULL -+store_cursor_56036 store_cursor 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NULL -+i40e_vsi_control_tx_56215 i40e_vsi_control_tx 0 56215 NULL -+isp116x_urb_enqueue_56219 isp116x_urb_enqueue 0 56219 NULL -+ocfs2_find_xe_in_bucket_56224 ocfs2_find_xe_in_bucket 0 56224 NULL -+iwl_dbgfs_bcast_filters_write_56225 iwl_dbgfs_bcast_filters_write 0-3 56225 NULL -+cp210x_get_config_56229 cp210x_get_config 4 56229 NULL -+show_cursor_blink_56236 show_cursor_blink 0 56236 NULL -+do_ipt_set_ctl_56238 do_ipt_set_ctl 4 56238 NULL -+fd_copyin_56247 fd_copyin 3 56247 NULL -+nv_device_resource_len_56251 nv_device_resource_len 0 56251 NULL -+ax_header_56252 ax_header 0 56252 NULL -+lpfc_use_adisc_store_56254 lpfc_use_adisc_store 0-4 56254 NULL -+fm10k_get_regs_len_56259 fm10k_get_regs_len 0 56259 NULL -+set_otp1en_56264 set_otp1en 4-0 56264 NULL -+clk_enable_56265 clk_enable 0 56265 NULL -+qib_set_part_key_56267 qib_set_part_key 0 56267 NULL -+hugetlb_entry_56271 hugetlb_entry 0 56271 NULL -+acpi_ex_get_serial_access_length_56275 acpi_ex_get_serial_access_length 0-2 56275 NULL 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usb_gadget_map_request 0 57272 NULL -+show_voltage_57273 show_voltage 0 57273 NULL -+dib0070_tune_57275 dib0070_tune 0 57275 NULL -+crc32c_intel_final_57279 crc32c_intel_final 0 57279 NULL nohasharray -+load_data_57279 load_data 0-3 57279 &crc32c_intel_final_57279 -+mc44s803_set_params_57281 mc44s803_set_params 0 57281 NULL -+lbs_sleepparams_write_57283 lbs_sleepparams_write 3-0 57283 NULL nohasharray -+read_iter_57283 read_iter 0 57283 &lbs_sleepparams_write_57283 nohasharray -+hid_sensor_capture_sample_57283 hid_sensor_capture_sample 3 57283 &read_iter_57283 -+infos_show_57284 infos_show 0 57284 NULL -+store_tolerance_57285 store_tolerance 0-4 57285 NULL -+ath6kl_wmi_cmd_send_57286 ath6kl_wmi_cmd_send 0 57286 NULL -+pstore_file_read_57288 pstore_file_read 3-0 57288 NULL -+snd_pcm_read_57289 snd_pcm_read 3-0 57289 NULL -+sdev_store_evt_soft_threshold_reached_57290 sdev_store_evt_soft_threshold_reached 0-4 57290 NULL nohasharray -+string_length_no_trail_57290 string_length_no_trail 0-2 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57365 NULL -+sh_eth_open_57366 sh_eth_open 0 57366 NULL nohasharray -+w5100_set_macaddr_57366 w5100_set_macaddr 0 57366 &sh_eth_open_57366 -+_snd_pcm_hw_param_set_57369 _snd_pcm_hw_param_set 0 57369 NULL -+pscsi_create_type_other_57380 pscsi_create_type_other 0 57380 NULL -+tty_register_device_attr_57381 tty_register_device_attr 2 57381 NULL -+bzImage64_load_57388 bzImage64_load 7 57388 NULL -+squashfs_symlink_readpage_57390 squashfs_symlink_readpage 0 57390 NULL -+cx231xx_s_video_encoding_57392 cx231xx_s_video_encoding 0 57392 NULL -+ad7298_update_scan_mode_57393 ad7298_update_scan_mode 0 57393 NULL -+ivtvfb_check_var_57394 ivtvfb_check_var 0 57394 NULL -+bfs_statfs_57403 bfs_statfs 0 57403 NULL -+lbs_prb_rsp_limit_get_57405 lbs_prb_rsp_limit_get 0 57405 NULL -+read_file_blob_57406 read_file_blob 3-0 57406 NULL -+rd_show_configfs_dev_params_57407 rd_show_configfs_dev_params 0 57407 NULL -+enclosure_register_57412 enclosure_register 3 57412 NULL nohasharray 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57530 NULL -+inode_permission_57531 inode_permission 0 57531 NULL -+acpi_dev_get_resources_57534 acpi_dev_get_resources 0 57534 NULL -+ptlrpc_lprocfs_hp_ratio_seq_write_57537 ptlrpc_lprocfs_hp_ratio_seq_write 3 57537 NULL -+vsock_dgram_sendmsg_57538 vsock_dgram_sendmsg 0-4 57538 NULL -+show_country_rel_date_57539 show_country_rel_date 0 57539 NULL -+compat_SyS_process_vm_writev_57542 compat_SyS_process_vm_writev 3-5 57542 NULL -+ls_switch_store_57554 ls_switch_store 4-0 57554 NULL -+ext4_group_first_block_no_57559 ext4_group_first_block_no 0-2 57559 NULL nohasharray -+ReadHDLCPnP_57559 ReadHDLCPnP 0 57559 &ext4_group_first_block_no_57559 nohasharray -+iscsi_tpg_attrib_show_demo_mode_discovery_57559 iscsi_tpg_attrib_show_demo_mode_discovery 0 57559 &ReadHDLCPnP_57559 -+snd_pcm_playback_ioctl1_57569 snd_pcm_playback_ioctl1 0 57569 NULL -+pn544_hci_i2c_fw_write_cmd_57572 pn544_hci_i2c_fw_write_cmd 4 57572 NULL nohasharray -+rtpm_enabled_show_57572 rtpm_enabled_show 0 57572 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iwl_mvm_flush_tx_path 0 57640 NULL -+nvkm_fifo_create__57643 nvkm_fifo_create_ 5-6 57643 NULL -+mce_disable_error_reporting_57651 mce_disable_error_reporting 0 57651 NULL -+xfs_alloc_ag_vextent_near_57653 xfs_alloc_ag_vextent_near 0 57653 NULL -+c_can_start_57654 c_can_start 0 57654 NULL -+t4vf_sge_alloc_eth_txq_57656 t4vf_sge_alloc_eth_txq 0 57656 NULL -+iscsi_tpg_attrib_store_cache_dynamic_acls_57657 iscsi_tpg_attrib_store_cache_dynamic_acls 0-3 57657 NULL -+sys_mq_timedsend_57661 sys_mq_timedsend 3 57661 NULL -+r3964_write_57662 r3964_write 4 57662 NULL nohasharray -+ath10k_htt_init_57662 ath10k_htt_init 0 57662 &r3964_write_57662 -+withdraw_store_57663 withdraw_store 0-3 57663 NULL -+proc_ns_readlink_57664 proc_ns_readlink 3-0 57664 NULL -+dev_mc_add_57667 dev_mc_add 0 57667 NULL -+__lgwrite_57669 __lgwrite 4 57669 NULL -+__v9fs_readpage_from_fscache_57670 __v9fs_readpage_from_fscache 0 57670 NULL -+pte_entry_57674 pte_entry 0 57674 NULL -+ax88179_read_cmd_nopm_57675 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-+zfs_log_write_16524 zfs_log_write 6-5 16524 NULL -+sa_build_layouts_16910 sa_build_layouts 3 16910 NULL -+dsl_dir_namelen_17053 dsl_dir_namelen 0 17053 NULL -+kcopy_copy_to_user_17336 kcopy_copy_to_user 5 17336 NULL -+sa_add_layout_entry_17507 sa_add_layout_entry 3 17507 NULL -+sa_attr_table_setup_18029 sa_attr_table_setup 3 18029 NULL -+uiocopy_18680 uiocopy 2 18680 NULL -+dmu_buf_hold_array_by_dnode_19125 dmu_buf_hold_array_by_dnode 2-3 19125 NULL -+zpl_acl_from_xattr_21141 zpl_acl_from_xattr 2 21141 NULL -+dsl_pool_tx_assign_init_22518 dsl_pool_tx_assign_init 2 22518 NULL -+nvlist_lookup_byte_array_22527 nvlist_lookup_byte_array 0 22527 NULL -+sa_replace_all_by_template_locked_22533 sa_replace_all_by_template_locked 3 22533 NULL -+tsd_hash_table_init_22559 tsd_hash_table_init 1 22559 NULL -+spa_vdev_remove_aux_23966 spa_vdev_remove_aux 4 23966 NULL -+zpl_xattr_acl_set_access_24129 zpl_xattr_acl_set_access 4 24129 NULL -+dmu_assign_arcbuf_24622 dmu_assign_arcbuf 2 24622 NULL -+zap_lookup_norm_25166 zap_lookup_norm 9 25166 NULL -+dmu_prealloc_25456 dmu_prealloc 4-3 25456 NULL -+kmalloc_nofail_26347 kmalloc_nofail 1 26347 NULL -+zfsctl_snapshot_zpath_27578 zfsctl_snapshot_zpath 2 27578 NULL -+zpios_dmu_read_30015 zpios_dmu_read 4-5 30015 NULL -+splat_write_30943 splat_write 3 30943 NULL -+zpl_xattr_get_sa_31183 zpl_xattr_get_sa 0 31183 NULL -+dmu_read_uio_31467 dmu_read_uio 4 31467 NULL -+zfs_replay_fuids_31479 zfs_replay_fuids 4 31479 NULL -+spa_history_log_to_phys_31632 spa_history_log_to_phys 0-1 31632 NULL -+__zpl_xattr_get_32601 __zpl_xattr_get 0 32601 NULL -+proc_copyout_string_34049 proc_copyout_string 2 34049 NULL -+nv_alloc_sleep_spl_34544 nv_alloc_sleep_spl 2 34544 NULL -+nv_alloc_nosleep_spl_34761 nv_alloc_nosleep_spl 2 34761 NULL -+zap_leaf_array_match_36922 zap_leaf_array_match 4 36922 NULL -+copyinstr_36980 copyinstr 3 36980 NULL -+zpl_xattr_acl_set_default_37864 zpl_xattr_acl_set_default 4 37864 NULL -+splat_read_38116 splat_read 3 38116 NULL -+sa_setup_38756 sa_setup 4 38756 NULL -+vdev_disk_physio_39898 vdev_disk_physio 3 39898 NULL -+arc_buf_size_39982 arc_buf_size 0 39982 NULL -+kzalloc_nofail_40719 kzalloc_nofail 1 40719 NULL -+fuidstr_to_sid_40777 fuidstr_to_sid 4 40777 NULL -+vdev_raidz_matrix_reconstruct_40852 vdev_raidz_matrix_reconstruct 2-3 40852 NULL -+sa_find_layout_40892 sa_find_layout 4 40892 NULL -+zpl_xattr_get_dir_41918 zpl_xattr_get_dir 0 41918 NULL -+zfs_sa_get_xattr_42600 zfs_sa_get_xattr 0 42600 NULL -+zpl_xattr_acl_set_42808 zpl_xattr_acl_set 4 42808 NULL -+xdr_dec_array_43091 xdr_dec_array 5 43091 NULL -+dsl_dataset_namelen_43136 dsl_dataset_namelen 0 43136 NULL -+kcopy_write_43683 kcopy_write 3 43683 NULL -+uiomove_44355 uiomove 2 44355 NULL -+dmu_read_44418 dmu_read 4-3 44418 NULL -+ddi_copyin_44846 ddi_copyin 3 44846 NULL -+kcopy_do_get_45061 kcopy_do_get 5 45061 NULL -+copyin_45945 copyin 3 45945 NULL -+zil_itx_create_46555 zil_itx_create 2 46555 NULL -+dmu_write_uio_dbuf_48064 dmu_write_uio_dbuf 3 48064 NULL -+blk_rq_pos_48233 blk_rq_pos 0 48233 NULL -+spa_history_write_49650 spa_history_write 3 49650 NULL -+kcopy_copy_pages_to_user_49823 kcopy_copy_pages_to_user 3-4 49823 NULL -+zfs_log_write_50162 zfs_log_write 6-5 50162 NULL -+i_fm_alloc_51038 i_fm_alloc 2 51038 NULL -+copyout_51409 copyout 3 51409 NULL -+zvol_log_write_54898 zvol_log_write 4-3 54898 NULL -+zfs_acl_node_alloc_55641 zfs_acl_node_alloc 1 55641 NULL -+get_nvlist_56685 get_nvlist 2 56685 NULL -+zprop_get_numprops_56820 zprop_get_numprops 0 56820 NULL -+splat_taskq_test4_common_59829 splat_taskq_test4_common 5 59829 NULL -+zfs_replay_domain_cnt_61399 zfs_replay_domain_cnt 0 61399 NULL -+zpios_write_61823 zpios_write 3 61823 NULL -+proc_copyin_string_62019 proc_copyin_string 4 62019 NULL -+random_get_pseudo_bytes_64611 random_get_pseudo_bytes 2 64611 NULL -+zpios_read_64734 zpios_read 3 64734 NULL -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_ipa.c b/tools/gcc/size_overflow_plugin/size_overflow_ipa.c -new file mode 100644 -index 0000000..9846ab0 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_ipa.c -@@ -0,0 +1,913 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+static next_interesting_function_t walk_use_def_next_functions(gimple_set *visited, next_interesting_function_t next_cnodes_head, const_tree lhs); -+ -+next_interesting_function_t global_next_interesting_function[GLOBAL_NIFN_LEN]; -+ -+static struct cgraph_node_hook_list *function_insertion_hook_holder; -+static struct cgraph_2node_hook_list *node_duplication_hook_holder; -+ -+struct cgraph_node *get_cnode(const_tree fndecl) -+{ -+ gcc_assert(TREE_CODE(fndecl) == FUNCTION_DECL); -+#if BUILDING_GCC_VERSION <= 4005 -+ return cgraph_get_node((tree)fndecl); -+#else -+ return cgraph_get_node(fndecl); -+#endif -+} -+ -+static bool compare_next_interesting_functions(next_interesting_function_t cur_node, const char *decl_name, const char *context, unsigned int num) -+{ -+ if (cur_node->marked == ASM_STMT_SO_MARK) -+ return false; -+ if (num != CANNOT_FIND_ARG && cur_node->num != num) -+ return false; -+ if (strcmp(cur_node->context, context)) -+ return false; -+ return !strcmp(cur_node->decl_name, decl_name); -+} -+ -+// Return the type name for a function pointer (or "fielddecl" if the type has no name), otherwise either "vardecl" or "fndecl" -+static const char* get_decl_context(const_tree decl) -+{ -+ const char *context; -+ -+ if (TREE_CODE(decl) == VAR_DECL) -+ return "vardecl"; -+ if (TREE_CODE(decl) == FUNCTION_DECL) -+ return "fndecl"; -+ -+ gcc_assert(TREE_CODE(decl) == FIELD_DECL); -+ context = get_type_name_from_field(decl); -+ -+ if (!context) -+ return "fielddecl"; -+ return context; -+} -+ -+/* Find the function with the specified argument in the list -+ * * if marked is ASM_STMT_SO_MARK or YES_SO_MARK then filter accordingly -+ * * if num is CANNOT_FIND_ARG then ignore it -+ */ -+next_interesting_function_t get_global_next_interesting_function_entry(const char *decl_name, const char *context, unsigned int hash, unsigned int num, enum size_overflow_mark marked) -+{ -+ next_interesting_function_t cur_node, head; -+ -+ head = global_next_interesting_function[hash]; -+ for (cur_node = head; cur_node; cur_node = cur_node->next) { -+ if ((marked == ASM_STMT_SO_MARK || marked == YES_SO_MARK) && cur_node->marked != marked) -+ continue; -+ if (compare_next_interesting_functions(cur_node, decl_name, context, num)) -+ return cur_node; -+ } -+ return NULL; -+} -+ -+next_interesting_function_t get_global_next_interesting_function_entry_with_hash(const_tree decl, const char *decl_name, unsigned int num, enum size_overflow_mark marked) -+{ -+ const char *context; -+ unsigned int hash; -+ -+ hash = get_decl_hash(decl, decl_name); -+ if (hash == NO_HASH) -+ return NULL; -+ -+ context = get_decl_context(decl); -+ return get_global_next_interesting_function_entry(decl_name, context, hash, num, marked); -+} -+ -+static bool is_vararg(const_tree fn, unsigned int num) -+{ -+ const_tree fn_type, last, type; -+ tree arg_list; -+ -+ if (num == 0) -+ return false; -+ if (fn == NULL_TREE) -+ return false; -+ if (TREE_CODE(fn) != FUNCTION_DECL) -+ return false; -+ -+ fn_type = TREE_TYPE(fn); -+ if (fn_type == NULL_TREE) -+ return false; -+ -+ arg_list = TYPE_ARG_TYPES(fn_type); -+ if (arg_list == NULL_TREE) -+ return false; -+ last = TREE_VALUE(tree_last(arg_list)); -+ -+ if (TREE_CODE_CLASS(TREE_CODE(last)) == tcc_type) -+ type = last; -+ else -+ type = TREE_TYPE(last); -+ -+ gcc_assert(type != NULL_TREE); -+ if (type == void_type_node) -+ return false; -+ -+ return num >= (unsigned int)list_length(arg_list); -+} -+ -+next_interesting_function_t create_new_next_interesting_entry(const char *decl_name, const char *context, unsigned int hash, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node) -+{ -+ next_interesting_function_t new_node; -+ -+ new_node = (next_interesting_function_t)xmalloc(sizeof(*new_node)); -+ new_node->decl_name = xstrdup(decl_name); -+ gcc_assert(context); -+ new_node->context = xstrdup(context); -+ new_node->hash = hash; -+ new_node->num = num; -+ new_node->next = NULL; -+ new_node->children = NULL; -+ new_node->marked = marked; -+ new_node->orig_next_node = orig_next_node; -+ return new_node; -+} -+ -+// Create the main data structure -+next_interesting_function_t create_new_next_interesting_decl(tree decl, const char *decl_name, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node) -+{ -+ unsigned int hash; -+ const char *context; -+ enum tree_code decl_code = TREE_CODE(decl); -+ -+ gcc_assert(decl_code == FIELD_DECL || decl_code == FUNCTION_DECL || decl_code == VAR_DECL); -+ -+ if (is_vararg(decl, num)) -+ return NULL; -+ -+ hash = get_decl_hash(decl, decl_name); -+ if (hash == NO_HASH) -+ return NULL; -+ -+ gcc_assert(num <= MAX_PARAM); -+ // Clones must have an orig_next_node -+ gcc_assert(!made_by_compiler(decl) || orig_next_node); -+ -+ context = get_decl_context(decl); -+ return create_new_next_interesting_entry(decl_name, context, hash, num, marked, orig_next_node); -+} -+ -+void add_to_global_next_interesting_function(next_interesting_function_t new_entry) -+{ -+ next_interesting_function_t cur_global_head, cur_global, cur_global_end = NULL; -+ -+ // new_entry is appended to the end of a list -+ new_entry->next = NULL; -+ -+ cur_global_head = global_next_interesting_function[new_entry->hash]; -+ if (!cur_global_head) { -+ global_next_interesting_function[new_entry->hash] = new_entry; -+ return; -+ } -+ -+ -+ for (cur_global = cur_global_head; cur_global; cur_global = cur_global->next) { -+ if (!cur_global->next) -+ cur_global_end = cur_global; -+ if (compare_next_interesting_functions(cur_global, new_entry->decl_name, new_entry->context, new_entry->num)) -+ return; -+ } -+ -+ gcc_assert(cur_global_end); -+ cur_global_end->next = new_entry; -+} -+ -+/* If the interesting function is a clone then find or create its original next_interesting_function_t node -+ * and add it to global_next_interesting_function -+ */ -+static next_interesting_function_t create_orig_next_node_for_a_clone(const_tree clone_fndecl, unsigned int num, enum size_overflow_mark marked) -+{ -+ next_interesting_function_t orig_next_node; -+ tree decl; -+ unsigned int orig_num; -+ enum tree_code decl_code; -+ const char *decl_name; -+ -+ decl = get_orig_fndecl(clone_fndecl); -+ decl_code = TREE_CODE(decl); -+ -+ if (decl_code == FIELD_DECL || decl_code == VAR_DECL) -+ orig_num = num; -+ else -+ orig_num = get_correct_argnum(clone_fndecl, decl, num); -+ -+ // Skip over ISRA.162 parm decls -+ if (orig_num == CANNOT_FIND_ARG) -+ return NULL; -+ -+ decl_name = get_orig_decl_name(decl); -+ orig_next_node = get_global_next_interesting_function_entry_with_hash(decl, decl_name, orig_num, NO_SO_MARK); -+ if (orig_next_node) -+ return orig_next_node; -+ -+ orig_next_node = create_new_next_interesting_decl(decl, decl_name, orig_num, marked, NULL); -+ gcc_assert(orig_next_node); -+ -+ add_to_global_next_interesting_function(orig_next_node); -+ return orig_next_node; -+} -+ -+// Find or create the next_interesting_function_t node for decl and num -+next_interesting_function_t get_and_create_next_node_from_global_next_nodes(tree decl, unsigned int num, enum size_overflow_mark marked, next_interesting_function_t orig_next_node) -+{ -+ next_interesting_function_t cur_next_cnode; -+ const char *decl_name = DECL_NAME_POINTER(decl); -+ -+ cur_next_cnode = get_global_next_interesting_function_entry_with_hash(decl, decl_name, num, marked); -+ if (cur_next_cnode) -+ goto out; -+ -+ if (!orig_next_node && made_by_compiler(decl)) { -+ orig_next_node = create_orig_next_node_for_a_clone(decl, num, marked); -+ if (!orig_next_node) -+ return NULL; -+ } -+ -+ cur_next_cnode = create_new_next_interesting_decl(decl, decl_name, num, marked, orig_next_node); -+ if (!cur_next_cnode) -+ return NULL; -+ -+ add_to_global_next_interesting_function(cur_next_cnode); -+out: -+ if (cur_next_cnode->marked != marked && cur_next_cnode->marked == YES_SO_MARK) -+ return cur_next_cnode; -+ gcc_assert(cur_next_cnode->marked == marked); -+ return cur_next_cnode; -+} -+ -+static bool has_next_interesting_function_chain_node(next_interesting_function_t next_cnodes_head, const_tree decl, unsigned int num) -+{ -+ next_interesting_function_t cur_node; -+ const char *context, *decl_name; -+ -+ decl_name = DECL_NAME_POINTER(decl); -+ context = get_decl_context(decl); -+ for (cur_node = next_cnodes_head; cur_node; cur_node = cur_node->next) { -+ if (compare_next_interesting_functions(cur_node, decl_name, context, num)) -+ return true; -+ } -+ return false; -+} -+ -+static next_interesting_function_t handle_function(next_interesting_function_t next_cnodes_head, tree fndecl, const_tree arg) -+{ -+ unsigned int num; -+ next_interesting_function_t orig_next_node, new_node; -+ -+ gcc_assert(fndecl != NULL_TREE); -+ -+ // ignore builtins to not explode coverage (e.g., memcpy) -+ if (DECL_BUILT_IN(fndecl)) -+ return next_cnodes_head; -+ -+ // convert arg into its position -+ if (arg == NULL_TREE) -+ num = 0; -+ else -+ num = find_arg_number_tree(arg, fndecl); -+ if (num == CANNOT_FIND_ARG) -+ return next_cnodes_head; -+ -+ if (has_next_interesting_function_chain_node(next_cnodes_head, fndecl, num)) -+ return next_cnodes_head; -+ -+ if (made_by_compiler(fndecl)) { -+ orig_next_node = create_orig_next_node_for_a_clone(fndecl, num, NO_SO_MARK); -+ if (!orig_next_node) -+ return next_cnodes_head; -+ } else -+ orig_next_node = NULL; -+ new_node = create_new_next_interesting_decl(fndecl, DECL_NAME_POINTER(fndecl), num, NO_SO_MARK, orig_next_node); -+ if (!new_node) -+ return next_cnodes_head; -+ new_node->next = next_cnodes_head; -+ return new_node; -+} -+ -+static next_interesting_function_t walk_use_def_next_functions_phi(gimple_set *visited, next_interesting_function_t next_cnodes_head, const_tree result) -+{ -+ gphi *phi = as_a_gphi(get_def_stmt(result)); -+ unsigned int i, n = gimple_phi_num_args(phi); -+ -+ pointer_set_insert(visited, phi); -+ for (i = 0; i < n; i++) { -+ tree arg = gimple_phi_arg_def(phi, i); -+ -+ next_cnodes_head = walk_use_def_next_functions(visited, next_cnodes_head, arg); -+ } -+ -+ return next_cnodes_head; -+} -+ -+static next_interesting_function_t walk_use_def_next_functions_binary(gimple_set *visited, next_interesting_function_t next_cnodes_head, const_tree lhs) -+{ -+ gassign *def_stmt = as_a_gassign(get_def_stmt(lhs)); -+ tree rhs1, rhs2; -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ -+ next_cnodes_head = walk_use_def_next_functions(visited, next_cnodes_head, rhs1); -+ return walk_use_def_next_functions(visited, next_cnodes_head, rhs2); -+} -+ -+next_interesting_function_t __attribute__((weak)) handle_function_ptr_ret(gimple_set *visited __unused, next_interesting_function_t next_cnodes_head, const_tree fn_ptr __unused) -+{ -+ return next_cnodes_head; -+} -+ -+/* Find all functions that influence lhs -+ * -+ * Encountered functions are added to the children vector (next_interesting_function_t). -+ */ -+static next_interesting_function_t walk_use_def_next_functions(gimple_set *visited, next_interesting_function_t next_cnodes_head, const_tree lhs) -+{ -+ const_gimple def_stmt; -+ -+ if (skip_types(lhs)) -+ return next_cnodes_head; -+ -+ if (TREE_CODE(lhs) == PARM_DECL) -+ return handle_function(next_cnodes_head, current_function_decl, lhs); -+ -+ if (TREE_CODE(lhs) != SSA_NAME) -+ return next_cnodes_head; -+ -+ def_stmt = get_def_stmt(lhs); -+ if (!def_stmt) -+ return next_cnodes_head; -+ -+ if (pointer_set_insert(visited, def_stmt)) -+ return next_cnodes_head; -+ -+ switch (gimple_code(def_stmt)) { -+ case GIMPLE_NOP: -+ return walk_use_def_next_functions(visited, next_cnodes_head, SSA_NAME_VAR(lhs)); -+ case GIMPLE_ASM: -+ if (is_size_overflow_asm(def_stmt)) -+ return walk_use_def_next_functions(visited, next_cnodes_head, get_size_overflow_asm_input(as_a_const_gasm(def_stmt))); -+ return next_cnodes_head; -+ case GIMPLE_CALL: { -+ tree fndecl = gimple_call_fndecl(def_stmt); -+ -+ if (fndecl != NULL_TREE) -+ return handle_function(next_cnodes_head, fndecl, NULL_TREE); -+ fndecl = gimple_call_fn(def_stmt); -+ return handle_function_ptr_ret(visited, next_cnodes_head, fndecl); -+ } -+ case GIMPLE_PHI: -+ return walk_use_def_next_functions_phi(visited, next_cnodes_head, lhs); -+ case GIMPLE_ASSIGN: -+ switch (gimple_num_ops(def_stmt)) { -+ case 2: -+ return walk_use_def_next_functions(visited, next_cnodes_head, gimple_assign_rhs1(def_stmt)); -+ case 3: -+ return walk_use_def_next_functions_binary(visited, next_cnodes_head, lhs); -+ } -+ default: -+ debug_gimple_stmt((gimple)def_stmt); -+ error("%s: unknown gimple code", __func__); -+ gcc_unreachable(); -+ } -+} -+ -+// Start the search for next_interesting_function_t children based on the (next_interesting_function_t) parent node -+static next_interesting_function_t search_next_functions(const_tree node) -+{ -+ gimple_set *visited; -+ next_interesting_function_t next_cnodes_head; -+ -+ visited = pointer_set_create(); -+ next_cnodes_head = walk_use_def_next_functions(visited, NULL, node); -+ pointer_set_destroy(visited); -+ -+ return next_cnodes_head; -+} -+ -+// True if child already exists in the next_interesting_function_t children vector -+bool has_next_interesting_function_vec(next_interesting_function_t target, next_interesting_function_t next_node) -+{ -+ unsigned int i; -+ next_interesting_function_t cur; -+ -+ gcc_assert(next_node); -+ // handle recursion -+ if (!strcmp(target->decl_name, next_node->decl_name) && target->num == next_node->num) -+ return true; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, target->children)) -+ return false; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, target->children, i, cur) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(target->children, i, cur) { -+#endif -+ if (compare_next_interesting_functions(cur, next_node->decl_name, next_node->context, next_node->num)) -+ return true; -+ } -+ return false; -+} -+ -+void push_child(next_interesting_function_t parent, next_interesting_function_t child) -+{ -+ if (!has_next_interesting_function_vec(parent, child)) { -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_push(next_interesting_function_t, heap, parent->children, child); -+#else -+ vec_safe_push(parent->children, child); -+#endif -+ } -+} -+ -+void __attribute__((weak)) check_local_variables(next_interesting_function_t next_node __unused) {} -+ -+// Add children to parent and global_next_interesting_function -+static void collect_data_for_execute(next_interesting_function_t parent, next_interesting_function_t children) -+{ -+ next_interesting_function_t cur = children; -+ -+ gcc_assert(parent); -+ -+ while (cur) { -+ next_interesting_function_t next, child; -+ -+ next = cur->next; -+ -+ child = get_global_next_interesting_function_entry(cur->decl_name, cur->context, cur->hash, cur->num, NO_SO_MARK); -+ if (!child) { -+ add_to_global_next_interesting_function(cur); -+ child = cur; -+ } -+ -+ check_local_variables(child); -+ -+ push_child(parent, child); -+ -+ cur = next; -+ } -+ -+ check_local_variables(parent); -+} -+ -+next_interesting_function_t __attribute__((weak)) get_and_create_next_node_from_global_next_nodes_fnptr(const_tree fn_ptr __unused, unsigned int num __unused, enum size_overflow_mark marked __unused) -+{ -+ return NULL; -+} -+ -+static next_interesting_function_t create_parent_next_cnode(const_gimple stmt, unsigned int num) -+{ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_ASM: -+ return get_and_create_next_node_from_global_next_nodes(current_function_decl, num, ASM_STMT_SO_MARK, NULL); -+ case GIMPLE_CALL: { -+ tree decl = gimple_call_fndecl(stmt); -+ -+ if (decl != NULL_TREE) -+ return get_and_create_next_node_from_global_next_nodes(decl, num, NO_SO_MARK, NULL); -+ decl = gimple_call_fn(stmt); -+ return get_and_create_next_node_from_global_next_nodes_fnptr(decl, num, NO_SO_MARK); -+ } -+ case GIMPLE_RETURN: -+ return get_and_create_next_node_from_global_next_nodes(current_function_decl, num, NO_SO_MARK, NULL); -+ default: -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+} -+ -+// Handle potential next_interesting_function_t parent if its argument has an integer type -+static void collect_all_possible_size_overflow_fns(const_gimple stmt, unsigned int num) -+{ -+ const_tree start_var; -+ next_interesting_function_t children_next_cnode, parent_next_cnode; -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_ASM: -+ if (!is_size_overflow_insert_check_asm(as_a_const_gasm(stmt))) -+ return; -+ start_var = get_size_overflow_asm_input(as_a_const_gasm(stmt)); -+ gcc_assert(start_var != NULL_TREE); -+ break; -+ case GIMPLE_CALL: -+ start_var = gimple_call_arg(stmt, num - 1); -+ break; -+ case GIMPLE_RETURN: -+ start_var = gimple_return_retval(as_a_const_greturn(stmt)); -+ if (start_var == NULL_TREE) -+ return; -+ break; -+ default: -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+ -+ if (skip_types(start_var)) -+ return; -+ -+ // handle intentional MARK_TURN_OFF -+ if (check_intentional_asm(stmt, num) == MARK_TURN_OFF) -+ return; -+ -+ parent_next_cnode = create_parent_next_cnode(stmt, num); -+ if (!parent_next_cnode) -+ return; -+ -+ children_next_cnode = search_next_functions(start_var); -+ collect_data_for_execute(parent_next_cnode, children_next_cnode); -+} -+ -+// Find potential next_interesting_function_t parents -+static void handle_cgraph_node(struct cgraph_node *node) -+{ -+ basic_block bb; -+ tree cur_fndecl = NODE_DECL(node); -+ -+ set_current_function_decl(cur_fndecl); -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gimple stmt = gsi_stmt(gsi); -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_RETURN: -+ case GIMPLE_ASM: -+ collect_all_possible_size_overflow_fns(stmt, 0); -+ break; -+ case GIMPLE_CALL: { -+ unsigned int i, len; -+ tree fndecl = gimple_call_fndecl(stmt); -+ -+ if (fndecl != NULL_TREE && DECL_BUILT_IN(fndecl)) -+ break; -+ -+ len = gimple_call_num_args(stmt); -+ for (i = 0; i < len; i++) -+ collect_all_possible_size_overflow_fns(stmt, i + 1); -+ break; -+ } -+ default: -+ break; -+ } -+ } -+ } -+ -+ unset_current_function_decl(); -+} -+ -+/* Collect all potentially interesting function parameters and return values of integer types -+ * and store their data flow dependencies -+ */ -+static void size_overflow_generate_summary(void) -+{ -+ struct cgraph_node *node; -+ -+ size_overflow_register_hooks(); -+ -+ FOR_EACH_FUNCTION(node) { -+ if (is_valid_cgraph_node(node)) -+ handle_cgraph_node(node); -+ } -+} -+ -+static void size_overflow_function_insertion_hook(struct cgraph_node *node __unused, void *data __unused) -+{ -+ debug_cgraph_node(node); -+ gcc_unreachable(); -+} -+ -+/* Handle dst if src is in the global_next_interesting_function list. -+ * If src is a clone then dst inherits the orig_next_node of src otherwise -+ * src will become the orig_next_node of dst. -+ */ -+static void size_overflow_node_duplication_hook(struct cgraph_node *src, struct cgraph_node *dst, void *data __unused) -+{ -+ next_interesting_function_t head, cur; -+ const_tree decl; -+ const char *src_name, *src_context; -+ -+ decl = NODE_DECL(src); -+ src_name = DECL_NAME_POINTER(decl); -+ src_context = get_decl_context(decl); -+ -+ head = get_global_next_interesting_function_entry_with_hash(decl, src_name, NONE_ARGNUM, NO_SO_MARK); -+ if (!head) -+ return; -+ -+ for (cur = head; cur; cur = cur->next) { -+ unsigned int new_argnum; -+ next_interesting_function_t orig_next_node, next_node; -+ bool dst_clone; -+ -+ if (!compare_next_interesting_functions(cur, src_name, src_context, CANNOT_FIND_ARG)) -+ continue; -+ -+ dst_clone = made_by_compiler(NODE_DECL(dst)); -+ if (!dst_clone) -+ break; -+ -+ // For clones use the original node instead -+ if (cur->orig_next_node) -+ orig_next_node = cur->orig_next_node; -+ else -+ orig_next_node = cur; -+ -+ new_argnum = get_correct_argnum_fndecl(NODE_DECL(src), NODE_DECL(dst), cur->num); -+ if (new_argnum == CANNOT_FIND_ARG) -+ continue; -+ -+ next_node = create_new_next_interesting_decl(NODE_DECL(dst), cgraph_node_name(dst), new_argnum, cur->marked, orig_next_node); -+ if (next_node) -+ add_to_global_next_interesting_function(next_node); -+ } -+} -+ -+void size_overflow_register_hooks(void) -+{ -+ static bool init_p = false; -+ -+ if (init_p) -+ return; -+ init_p = true; -+ -+ function_insertion_hook_holder = cgraph_add_function_insertion_hook(&size_overflow_function_insertion_hook, NULL); -+ node_duplication_hook_holder = cgraph_add_node_duplication_hook(&size_overflow_node_duplication_hook, NULL); -+} -+ -+static void set_yes_so_mark(next_interesting_function_t next_node) -+{ -+ next_node->marked = YES_SO_MARK; -+ // Mark the orig decl as well if it's a clone -+ if (next_node->orig_next_node) -+ next_node->orig_next_node->marked = YES_SO_MARK; -+} -+ -+// Determine if the function is already in the hash table -+static bool is_marked_fn(next_interesting_function_t next_node) -+{ -+ const struct size_overflow_hash *entry; -+ -+ if (next_node->marked != NO_SO_MARK) -+ return true; -+ -+ if (next_node->orig_next_node) -+ entry = get_size_overflow_hash_entry(next_node->orig_next_node->hash, next_node->orig_next_node->decl_name, next_node->orig_next_node->num); -+ else -+ entry = get_size_overflow_hash_entry(next_node->hash, next_node->decl_name, next_node->num); -+ if (!entry) -+ return false; -+ -+ set_yes_so_mark(next_node); -+ return true; -+} -+ -+// Determine if any of the function pointer targets have data flow between the return value and one of the arguments -+static next_interesting_function_t get_same_not_ret_child(next_interesting_function_t parent) -+{ -+ unsigned int i; -+ next_interesting_function_t child; -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, parent->children)) -+ return NULL; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, parent->children, i, child) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(parent->children, i, child) { -+#endif -+ if (child->num == 0) -+ continue; -+ if (strcmp(parent->decl_name, child->decl_name)) -+ continue; -+ if (!strcmp(child->context, "fndecl")) -+ return child; -+ } -+ return NULL; -+} -+ -+/* Trace a return value of function pointer type back to an argument via a concrete function -+ fnptr 0 && fn 0 && (fn 0 -> fn 2) => fnptr 2 */ -+static void search_missing_fptr_arg(next_interesting_function_t parent) -+{ -+ next_interesting_function_t tracked_fn, cur_next_node, child; -+ unsigned int i; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(next_interesting_function_t, heap) *new_children = NULL; -+#else -+ vec<next_interesting_function_t, va_heap, vl_embed> *new_children = NULL; -+#endif -+ -+ if (parent->num != 0) -+ return; -+ if (!strcmp(parent->context, "fndecl")) -+ return; -+ if (!strcmp(parent->context, "vardecl")) -+ return; -+ -+ // fnptr 0 && fn 0 -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, parent->children)) -+ return; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, parent->children, i, child) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(parent->children, i, child) { -+#endif -+ if (child->num != 0) -+ continue; -+ // (fn 0 -> fn 2) -+ tracked_fn = get_same_not_ret_child(child); -+ if (!tracked_fn) -+ continue; -+ -+ // fn 2 => fnptr 2 -+ for (cur_next_node = global_next_interesting_function[parent->hash]; cur_next_node; cur_next_node = cur_next_node->next) { -+ if (cur_next_node->num != tracked_fn->num) -+ continue; -+ if (strcmp(parent->decl_name, cur_next_node->decl_name)) -+ continue; -+ if (!has_next_interesting_function_vec(parent, cur_next_node)) { -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_push(next_interesting_function_t, heap, new_children, cur_next_node); -+#else -+ vec_safe_push(new_children, cur_next_node); -+#endif -+ } -+ } -+ } -+ -+#if BUILDING_GCC_VERSION == 4005 -+ if (VEC_empty(next_interesting_function_t, new_children)) -+ return; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, new_children, i, child) -+ VEC_safe_push(next_interesting_function_t, heap, parent->children, child); -+#elif BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_splice(next_interesting_function_t, heap, parent->children, new_children); -+#else -+ vec_safe_splice(parent->children, new_children); -+#endif -+} -+ -+// Do a depth-first recursive dump of the next_interesting_function_t children vector -+static void print_missing_functions(next_interesting_function_set *visited, next_interesting_function_t parent) -+{ -+ unsigned int i; -+ next_interesting_function_t child; -+ -+ gcc_assert(parent); -+ check_global_variables(parent); -+ search_missing_fptr_arg(parent); -+ print_missing_function(parent); -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ if (VEC_empty(next_interesting_function_t, parent->children)) -+ return; -+ FOR_EACH_VEC_ELT(next_interesting_function_t, parent->children, i, child) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(parent->children, i, child) { -+#endif -+ // Since the parent is a marked function we will set YES_SO_MARK on the children to transform them as well -+ child->marked = YES_SO_MARK; -+ if (!pointer_set_insert(visited, child)) -+ print_missing_functions(visited, child); -+ } -+} -+ -+void __attribute__((weak)) check_global_variables(next_interesting_function_t cur_global __unused) {} -+ -+// Print all missing interesting functions -+static unsigned int size_overflow_execute(void) -+{ -+ unsigned int i; -+ next_interesting_function_set *visited; -+ next_interesting_function_t cur_global; -+ -+ visited = next_interesting_function_pointer_set_create(); -+ -+ for (i = 0; i < GLOBAL_NIFN_LEN; i++) { -+ for (cur_global = global_next_interesting_function[i]; cur_global; cur_global = cur_global->next) { -+ if (is_marked_fn(cur_global)) -+ print_missing_functions(visited, cur_global); -+ } -+ } -+ -+ pointer_set_destroy(visited); -+ -+/* if (in_lto_p) { -+ fprintf(stderr, "%s: SIZE_OVERFLOW EXECUTE\n", __func__); -+ print_global_next_interesting_functions(); -+ }*/ -+ -+ return 0; -+} -+ -+// Omit the IPA/LTO callbacks until https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61311 gets fixed (license concerns) -+#if BUILDING_GCC_VERSION >= 4008 -+void __attribute__((weak)) size_overflow_write_summary_lto(void) {} -+#elif BUILDING_GCC_VERSION >= 4006 -+void __attribute__((weak)) size_overflow_write_summary_lto(cgraph_node_set set __unused, varpool_node_set vset __unused) {} -+#else -+void __attribute__((weak)) size_overflow_write_summary_lto(cgraph_node_set set __unused) {} -+#endif -+ -+void __attribute__((weak)) size_overflow_read_summary_lto(void) {} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data size_overflow_functions_pass_data = { -+#else -+static struct ipa_opt_pass_d size_overflow_functions_pass = { -+ .pass = { -+#endif -+ .type = IPA_PASS, -+ .name = "size_overflow_functions", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION >= 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = size_overflow_execute, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0, -+#if BUILDING_GCC_VERSION < 4009 -+ }, -+ .generate_summary = size_overflow_generate_summary, -+ .write_summary = size_overflow_write_summary_lto, -+ .read_summary = size_overflow_read_summary_lto, -+#if BUILDING_GCC_VERSION >= 4006 -+ .write_optimization_summary = size_overflow_write_summary_lto, -+ .read_optimization_summary = size_overflow_read_summary_lto, -+#endif -+ .stmt_fixup = NULL, -+ .function_transform_todo_flags_start = 0, -+ .function_transform = size_overflow_transform, -+ .variable_transform = NULL, -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+class size_overflow_functions_pass : public ipa_opt_pass_d { -+public: -+ size_overflow_functions_pass() : ipa_opt_pass_d(size_overflow_functions_pass_data, -+ g, -+ size_overflow_generate_summary, -+ size_overflow_write_summary_lto, -+ size_overflow_read_summary_lto, -+ size_overflow_write_summary_lto, -+ size_overflow_read_summary_lto, -+ NULL, -+ 0, -+ size_overflow_transform, -+ NULL) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return size_overflow_execute(); } -+#else -+ unsigned int execute() { return size_overflow_execute(); } -+#endif -+}; -+} -+ -+opt_pass *make_size_overflow_functions_pass(void) -+{ -+ return new size_overflow_functions_pass(); -+} -+#else -+struct opt_pass *make_size_overflow_functions_pass(void) -+{ -+ return &size_overflow_functions_pass.pass; -+} -+#endif -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_plugin.c b/tools/gcc/size_overflow_plugin/size_overflow_plugin.c -new file mode 100644 -index 0000000..d7f4062 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_plugin.c -@@ -0,0 +1,256 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+int plugin_is_GPL_compatible; -+ -+tree report_size_overflow_decl; -+ -+tree size_overflow_type_HI; -+tree size_overflow_type_SI; -+tree size_overflow_type_DI; -+tree size_overflow_type_TI; -+ -+static struct plugin_info size_overflow_plugin_info = { -+ .version = "20150614", -+ .help = "no-size-overflow\tturn off size overflow checking\n", -+}; -+ -+static tree handle_size_overflow_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs) -+{ -+ unsigned int arg_count; -+ enum tree_code code = TREE_CODE(*node); -+ -+ switch (code) { -+ case FUNCTION_DECL: -+ arg_count = type_num_arguments(TREE_TYPE(*node)); -+ break; -+ case FUNCTION_TYPE: -+ case METHOD_TYPE: -+ arg_count = type_num_arguments(*node); -+ break; -+ default: -+ *no_add_attrs = true; -+ error("%s: %qE attribute only applies to functions", __func__, name); -+ return NULL_TREE; -+ } -+ -+ for (; args; args = TREE_CHAIN(args)) { -+ int cur_val; -+ tree position = TREE_VALUE(args); -+ -+ if (TREE_CODE(position) != INTEGER_CST) { -+ error("%s: parameter isn't an integer", __func__); -+ debug_tree(args); -+ *no_add_attrs = true; -+ return NULL_TREE; -+ } -+ -+ cur_val = tree_to_shwi(position); -+ if (cur_val < 0 || arg_count < (unsigned int)cur_val) { -+ error("%s: parameter %d is outside range.", __func__, cur_val); -+ *no_add_attrs = true; -+ return NULL_TREE; -+ } -+ } -+ return NULL_TREE; -+} -+ -+static tree handle_intentional_overflow_attribute(tree *node, tree __unused name, tree args, int __unused flags, bool *no_add_attrs) -+{ -+ unsigned int arg_count; -+ HOST_WIDE_INT s_first_arg; -+ enum tree_code code = TREE_CODE(*node); -+ -+ switch (code) { -+ case FUNCTION_DECL: -+ arg_count = type_num_arguments(TREE_TYPE(*node)); -+ break; -+ case FUNCTION_TYPE: -+ case METHOD_TYPE: -+ arg_count = type_num_arguments(*node); -+ break; -+ case FIELD_DECL: -+ return NULL_TREE; -+ default: -+ *no_add_attrs = true; -+ error("%qE attribute only applies to functions", name); -+ return NULL_TREE; -+ } -+ -+ s_first_arg = tree_to_shwi(TREE_VALUE(args)); -+ if (s_first_arg == -1) -+ return NULL_TREE; -+ if (s_first_arg < -1) -+ error("%s: parameter %d is outside range.", __func__, (int)s_first_arg); -+ -+ for (; args; args = TREE_CHAIN(args)) { -+ unsigned int cur_val; -+ -+ if (TREE_CODE(TREE_VALUE(args)) != INTEGER_CST) { -+ error("%s: parameter isn't an integer", __func__); -+ debug_tree(args); -+ *no_add_attrs = true; -+ return NULL_TREE; -+ } -+ -+ cur_val = (unsigned int)tree_to_uhwi(TREE_VALUE(args)); -+ if (cur_val > arg_count ) { -+ error("%s: parameter %u is outside range. (arg_count: %u)", __func__, cur_val, arg_count); -+ *no_add_attrs = true; -+ return NULL_TREE; -+ } -+ } -+ return NULL_TREE; -+} -+ -+static struct attribute_spec size_overflow_attr = { -+ .name = "size_overflow", -+ .min_length = 1, -+ .max_length = -1, -+ .decl_required = true, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_size_overflow_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static struct attribute_spec intentional_overflow_attr = { -+ .name = "intentional_overflow", -+ .min_length = 1, -+ .max_length = -1, -+ .decl_required = true, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_intentional_overflow_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = false -+#endif -+}; -+ -+static void register_attributes(void __unused *event_data, void __unused *data) -+{ -+ register_attribute(&size_overflow_attr); -+ register_attribute(&intentional_overflow_attr); -+} -+ -+static tree create_typedef(tree type, const char* ident) -+{ -+ tree new_type, decl; -+ -+ new_type = build_variant_type_copy(type); -+ decl = build_decl(BUILTINS_LOCATION, TYPE_DECL, get_identifier(ident), new_type); -+ DECL_ORIGINAL_TYPE(decl) = type; -+ TYPE_NAME(new_type) = decl; -+ return new_type; -+} -+ -+// Create the noreturn report_size_overflow() function decl. -+static void size_overflow_start_unit(void __unused *gcc_data, void __unused *user_data) -+{ -+ tree const_char_ptr_type_node; -+ tree fntype; -+ -+ const_char_ptr_type_node = build_pointer_type(build_type_variant(char_type_node, 1, 0)); -+ -+ size_overflow_type_HI = create_typedef(intHI_type_node, "size_overflow_type_HI"); -+ size_overflow_type_SI = create_typedef(intSI_type_node, "size_overflow_type_SI"); -+ size_overflow_type_DI = create_typedef(intDI_type_node, "size_overflow_type_DI"); -+ size_overflow_type_TI = create_typedef(intTI_type_node, "size_overflow_type_TI"); -+ -+ // void report_size_overflow(const char *loc_file, unsigned int loc_line, const char *current_func, const char *ssa_var) -+ fntype = build_function_type_list(void_type_node, -+ const_char_ptr_type_node, -+ unsigned_type_node, -+ const_char_ptr_type_node, -+ const_char_ptr_type_node, -+ NULL_TREE); -+ report_size_overflow_decl = build_fn_decl("report_size_overflow", fntype); -+ -+ DECL_ASSEMBLER_NAME(report_size_overflow_decl); -+ TREE_PUBLIC(report_size_overflow_decl) = 1; -+ DECL_EXTERNAL(report_size_overflow_decl) = 1; -+ DECL_ARTIFICIAL(report_size_overflow_decl) = 1; -+ TREE_THIS_VOLATILE(report_size_overflow_decl) = 1; -+// !!! -+ DECL_PRESERVE_P(report_size_overflow_decl) = 1; -+ DECL_UNINLINABLE(report_size_overflow_decl) = 1; -+ TREE_USED(report_size_overflow_decl) = 1; -+ TREE_NOTHROW(report_size_overflow_decl) = 1; -+} -+ -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ int i; -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ bool enable = true; -+ struct register_pass_info insert_size_overflow_asm_pass_info; -+ struct register_pass_info size_overflow_functions_pass_info; -+ -+ static const struct ggc_root_tab gt_ggc_r_gt_size_overflow[] = { -+ { -+ .base = &report_size_overflow_decl, -+ .nelt = 1, -+ .stride = sizeof(report_size_overflow_decl), -+ .cb = &gt_ggc_mx_tree_node, -+ .pchw = &gt_pch_nx_tree_node -+ }, -+ LAST_GGC_ROOT_TAB -+ }; -+ -+ insert_size_overflow_asm_pass_info.pass = make_insert_size_overflow_asm_pass(); -+ insert_size_overflow_asm_pass_info.reference_pass_name = "ssa"; -+ insert_size_overflow_asm_pass_info.ref_pass_instance_number = 1; -+ insert_size_overflow_asm_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ size_overflow_functions_pass_info.pass = make_size_overflow_functions_pass(); -+ size_overflow_functions_pass_info.reference_pass_name = "inline"; -+ size_overflow_functions_pass_info.ref_pass_instance_number = 1; -+ size_overflow_functions_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "no-size-overflow")) { -+ enable = false; -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &size_overflow_plugin_info); -+ if (enable) { -+ register_callback(plugin_name, PLUGIN_START_UNIT, &size_overflow_start_unit, NULL); -+ register_callback(plugin_name, PLUGIN_REGISTER_GGC_ROOTS, NULL, (void *)&gt_ggc_r_gt_size_overflow); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &insert_size_overflow_asm_pass_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &size_overflow_functions_pass_info); -+ } -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ -+ return 0; -+} -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_plugin_hash.c b/tools/gcc/size_overflow_plugin/size_overflow_plugin_hash.c -new file mode 100644 -index 0000000..1d9ddb6 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_plugin_hash.c -@@ -0,0 +1,345 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+#include "size_overflow_hash.h" -+#include "size_overflow_hash_aux.h" -+ -+static const_tree get_function_type(const_tree decl) -+{ -+ if (FUNCTION_PTR_P(decl)) -+ return TREE_TYPE(TREE_TYPE(decl)); -+ gcc_assert(TREE_CODE(decl) == FUNCTION_DECL); -+ return TREE_TYPE(decl); -+} -+ -+static unsigned char get_tree_code(const_tree type) -+{ -+ switch (TREE_CODE(type)) { -+ case ARRAY_TYPE: -+ return 0; -+ case BOOLEAN_TYPE: -+ return 1; -+ case ENUMERAL_TYPE: -+ return 2; -+ case FUNCTION_TYPE: -+ return 3; -+ case INTEGER_TYPE: -+ return 4; -+ case POINTER_TYPE: -+ return 5; -+ case RECORD_TYPE: -+ return 6; -+ case UNION_TYPE: -+ return 7; -+ case VOID_TYPE: -+ return 8; -+ case REAL_TYPE: -+ return 9; -+ case VECTOR_TYPE: -+ return 10; -+ case REFERENCE_TYPE: -+ return 11; -+ case OFFSET_TYPE: -+ return 12; -+ case COMPLEX_TYPE: -+ return 13; -+ default: -+ debug_tree((tree)type); -+ gcc_unreachable(); -+ } -+} -+ -+// http://www.team5150.com/~andrew/noncryptohashzoo2~/CrapWow.html -+static unsigned int CrapWow(const char *key, unsigned int len, unsigned int seed) -+{ -+#define cwfold( a, b, lo, hi ) { p = (unsigned int)(a) * (unsigned long long)(b); lo ^= (unsigned int)p; hi ^= (unsigned int)(p >> 32); } -+#define cwmixa( in ) { cwfold( in, m, k, h ); } -+#define cwmixb( in ) { cwfold( in, n, h, k ); } -+ -+ unsigned int m = 0x57559429; -+ unsigned int n = 0x5052acdb; -+ const unsigned int *key4 = (const unsigned int *)key; -+ unsigned int h = len; -+ unsigned int k = len + seed + n; -+ unsigned long long p; -+ -+ while (len >= 8) { -+ cwmixb(key4[0]) cwmixa(key4[1]) key4 += 2; -+ len -= 8; -+ } -+ if (len >= 4) { -+ cwmixb(key4[0]) key4 += 1; -+ len -= 4; -+ } -+ if (len) -+ cwmixa(key4[0] & ((1 << (len * 8)) - 1 )); -+ cwmixb(h ^ (k + n)); -+ return k ^ h; -+ -+#undef cwfold -+#undef cwmixa -+#undef cwmixb -+} -+ -+// For function pointer fields include the structure name in the hash -+static unsigned int get_type_name_hash(const_tree decl) -+{ -+ const char *type_str; -+ unsigned int type_name_len; -+ -+ if (!FUNCTION_PTR_P(decl)) -+ return 0; -+ if (TREE_CODE(decl) == VAR_DECL) -+ return 0; -+ -+ gcc_assert(TREE_CODE(decl) == FIELD_DECL); -+ type_str = get_type_name_from_field(decl); -+ if (!type_str) -+ return 0; -+ type_name_len = strlen(type_str); -+ return CrapWow(type_str, type_name_len, 0) & 0xffff; -+} -+ -+static void set_hash(struct decl_hash *decl_hash_data) -+{ -+ unsigned int fn, type, codes, seed = 0; -+ -+ fn = CrapWow(decl_hash_data->fn_name, strlen(decl_hash_data->fn_name), seed) & 0xffff; -+ codes = CrapWow((const char*)decl_hash_data->tree_codes, decl_hash_data->tree_codes_len, seed) & 0xffff; -+ type = get_type_name_hash(decl_hash_data->decl); -+ decl_hash_data->hash = type ^ fn ^ codes; -+} -+ -+static void set_decl_type_codes(const_tree type, struct decl_hash *decl_hash_data) -+{ -+ gcc_assert(type != NULL_TREE); -+ gcc_assert(TREE_CODE_CLASS(TREE_CODE(type)) == tcc_type); -+ -+ while (type && decl_hash_data->tree_codes_len < CODES_LIMIT) { -+ decl_hash_data->tree_codes[decl_hash_data->tree_codes_len] = get_tree_code(type); -+ decl_hash_data->tree_codes_len++; -+ type = TREE_TYPE(type); -+ } -+} -+ -+static void set_result_codes(const_tree node, struct decl_hash *decl_hash_data) -+{ -+ const_tree result; -+ -+ gcc_assert(node != NULL_TREE); -+ -+ if (DECL_P(node)) { -+ result = DECL_RESULT(node); -+ if (result != NULL_TREE) -+ return set_decl_type_codes(TREE_TYPE(result), decl_hash_data); -+ return set_result_codes(TREE_TYPE(node), decl_hash_data); -+ } -+ -+ gcc_assert(TYPE_P(node)); -+ -+ if (TREE_CODE(node) == FUNCTION_TYPE) -+ return set_result_codes(TREE_TYPE(node), decl_hash_data); -+ -+ return set_decl_type_codes(node, decl_hash_data); -+} -+ -+static void set_decl_codes(struct decl_hash *decl_hash_data) -+{ -+ const_tree arg, type; -+ enum tree_code code; -+ -+ if (TREE_CODE(decl_hash_data->decl) == VAR_DECL) { -+ set_decl_type_codes(TREE_TYPE(decl_hash_data->decl), decl_hash_data); -+ return; -+ } -+ -+ type = get_function_type(decl_hash_data->decl); -+ code = TREE_CODE(type); -+ gcc_assert(code == FUNCTION_TYPE || code == METHOD_TYPE); -+ -+ if (FUNCTION_PTR_P(decl_hash_data->decl)) -+ set_result_codes(type, decl_hash_data); -+ else -+ set_result_codes(decl_hash_data->decl, decl_hash_data); -+ -+ for (arg = TYPE_ARG_TYPES(type); arg != NULL_TREE && decl_hash_data->tree_codes_len < CODES_LIMIT; arg = TREE_CHAIN(arg)) -+ set_decl_type_codes(TREE_VALUE(arg), decl_hash_data); -+} -+ -+static const struct size_overflow_hash *get_proper_hash_chain(const struct size_overflow_hash *entry, const char *func_name) -+{ -+ while (entry) { -+ if (!strcmp(entry->name, func_name)) -+ return entry; -+ entry = entry->next; -+ } -+ return NULL; -+} -+ -+unsigned int get_decl_hash(const_tree decl, const char *decl_name) -+{ -+ struct decl_hash decl_hash_data; -+ enum tree_code code = TREE_CODE(decl); -+ -+ gcc_assert(code == FIELD_DECL || code == FUNCTION_DECL || code == VAR_DECL); -+ -+ // skip builtins __builtin_constant_p -+ if (code == FUNCTION_DECL && DECL_BUILT_IN(decl)) -+ return NO_HASH; -+ -+ decl_hash_data.fn_name = decl_name; -+ decl_hash_data.decl = decl; -+ decl_hash_data.tree_codes_len = 0; -+ -+ set_decl_codes(&decl_hash_data); -+ gcc_assert(decl_hash_data.tree_codes_len != 0); -+ set_hash(&decl_hash_data); -+ return decl_hash_data.hash; -+} -+ -+const char *get_orig_decl_name(const_tree decl) -+{ -+ const char *name; -+ unsigned int len; -+ const void *end; -+ const_tree orig_decl = DECL_ORIGIN(decl); -+ -+ len = DECL_NAME_LENGTH(orig_decl); -+ name = DECL_NAME_POINTER(orig_decl); -+ -+ /* Sometimes gcc loses the original cgraph node leaving only clones behind. -+ * In such cases we will extract the name from the clone and use it in the hash table -+ * without checking the parameter number on the original (unavailable) decl. -+ */ -+ -+ if (made_by_compiler(orig_decl)) { -+ end = memchr(name, '.', len); -+ gcc_assert(end); -+ len = (long)end - (long)name; -+ gcc_assert(len > 0); -+ } -+ -+ return xstrndup(name, len); -+} -+ -+const struct size_overflow_hash *get_size_overflow_hash_entry(unsigned int hash, const char *decl_name, unsigned int argnum) -+{ -+ const struct size_overflow_hash *entry, *entry_node; -+ -+ entry = size_overflow_hash[hash]; -+ entry_node = get_proper_hash_chain(entry, decl_name); -+ if (entry_node && entry_node->param & (1U << argnum)) -+ return entry_node; -+ -+ entry = size_overflow_hash_aux[hash]; -+ entry_node = get_proper_hash_chain(entry, decl_name); -+ if (entry_node && entry_node->param & (1U << argnum)) -+ return entry_node; -+ -+ return NULL; -+} -+ -+const struct size_overflow_hash *get_size_overflow_hash_entry_tree(const_tree fndecl, unsigned int argnum) -+{ -+ const struct size_overflow_hash *entry; -+ const_tree orig_decl; -+ unsigned int orig_argnum, hash; -+ const char *decl_name; -+ -+ if (made_by_compiler(fndecl)) { -+ orig_decl = get_orig_fndecl(fndecl); -+ orig_argnum = get_correct_argnum(fndecl, orig_decl, argnum); -+ } else { -+ orig_decl = fndecl; -+ orig_argnum = argnum; -+ } -+ -+ if (orig_argnum == CANNOT_FIND_ARG) -+ return NULL; -+ -+ decl_name = get_orig_decl_name(orig_decl); -+ hash = get_decl_hash(orig_decl, decl_name); -+ if (hash == NO_HASH) -+ return NULL; -+ -+ entry = get_size_overflow_hash_entry(hash, decl_name, orig_argnum); -+ return entry; -+} -+ -+unsigned int find_arg_number_tree(const_tree arg, const_tree func) -+{ -+ tree var; -+ unsigned int argnum = 1; -+ -+ if (DECL_ARGUMENTS(func) == NULL_TREE) -+ return CANNOT_FIND_ARG; -+ -+ if (TREE_CODE(arg) == SSA_NAME) -+ arg = SSA_NAME_VAR(arg); -+ -+ for (var = DECL_ARGUMENTS(func); var; var = TREE_CHAIN(var), argnum++) { -+ if (!operand_equal_p(arg, var, 0) && strcmp(DECL_NAME_POINTER(var), DECL_NAME_POINTER(arg))) -+ continue; -+ if (!skip_types(var)) -+ return argnum; -+ } -+ -+ return CANNOT_FIND_ARG; -+} -+ -+const_tree get_attribute(const char* attr_name, const_tree decl) -+{ -+ const_tree attr = lookup_attribute(attr_name, DECL_ATTRIBUTES(decl)); -+ if (attr && TREE_VALUE(attr)) -+ return attr; -+ return NULL_TREE; -+} -+ -+/* Check if the function has a size_overflow attribute or it is in the size_overflow hash table. -+ * If the function is missing everywhere then print the missing message into stderr. -+ */ -+void print_missing_function(next_interesting_function_t node) -+{ -+ unsigned int argnum, hash; -+ const struct size_overflow_hash *entry; -+ const char *decl_name; -+ -+ if (node->marked == ASM_STMT_SO_MARK) -+ return; -+ -+ if (node->orig_next_node) { -+ hash = node->orig_next_node->hash; -+ decl_name = node->orig_next_node->decl_name; -+ argnum = node->orig_next_node->num; -+ } else { -+ hash = node->hash; -+ decl_name = node->decl_name; -+ argnum = node->num; -+ } -+ -+ entry = get_size_overflow_hash_entry(hash, decl_name, argnum); -+ if (entry) -+ return; -+ -+ // inform() would be too slow -+ fprintf(stderr, "Function %s is missing from the size_overflow hash table +%s+%u+%u+\n", decl_name, decl_name, argnum, hash); -+} -+ -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_transform.c b/tools/gcc/size_overflow_plugin/size_overflow_transform.c -new file mode 100644 -index 0000000..549decf ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_transform.c -@@ -0,0 +1,433 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+static tree cast_to_orig_type(struct visited *visited, gimple stmt, const_tree orig_node, tree new_node) -+{ -+ const_gimple assign; -+ tree orig_type = TREE_TYPE(orig_node); -+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt); -+ -+ assign = build_cast_stmt(visited, orig_type, new_node, CREATE_NEW_VAR, &gsi, BEFORE_STMT, false); -+ return get_lhs(assign); -+} -+ -+static void change_size_overflow_asm_input(gasm *stmt, tree new_input) -+{ -+ tree list; -+ -+ gcc_assert(is_size_overflow_insert_check_asm(stmt)); -+ -+ list = build_tree_list(NULL_TREE, build_string(3, "rm")); -+ list = chainon(NULL_TREE, build_tree_list(list, new_input)); -+ gimple_asm_set_input_op(stmt, 0, list); -+} -+ -+static void change_orig_node(struct visited *visited, gimple stmt, const_tree orig_node, tree new_node, unsigned int num) -+{ -+ tree cast_lhs = cast_to_orig_type(visited, stmt, orig_node, new_node); -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_RETURN: -+ gimple_return_set_retval(as_a_greturn(stmt), cast_lhs); -+ break; -+ case GIMPLE_CALL: -+ gimple_call_set_arg(stmt, num - 1, cast_lhs); -+ break; -+ case GIMPLE_ASM: -+ change_size_overflow_asm_input(as_a_gasm(stmt), cast_lhs); -+ break; -+ default: -+ debug_gimple_stmt(stmt); -+ gcc_unreachable(); -+ } -+ -+ update_stmt(stmt); -+} -+ -+// e.g., 3.8.2, 64, arch/x86/ia32/ia32_signal.c copy_siginfo_from_user32(): compat_ptr() u32 max -+static bool skip_asm_cast(const_tree arg) -+{ -+ gimple def_stmt = get_def_stmt(arg); -+ -+ if (!def_stmt || !gimple_assign_cast_p(def_stmt)) -+ return false; -+ -+ def_stmt = get_def_stmt(gimple_assign_rhs1(def_stmt)); -+ if (is_size_overflow_asm(def_stmt)) -+ return false; -+ return def_stmt && gimple_code(def_stmt) == GIMPLE_ASM; -+} -+ -+struct interesting_stmts { -+ struct interesting_stmts *next; -+ gimple first_stmt; -+ tree orig_node; -+ unsigned int num; -+}; -+ -+static struct interesting_stmts *create_interesting_stmts(struct interesting_stmts *head, tree orig_node, gimple first_stmt, unsigned int num) -+{ -+ struct interesting_stmts *new_node; -+ -+ new_node = (struct interesting_stmts *)xmalloc(sizeof(*new_node)); -+ new_node->first_stmt = first_stmt; -+ new_node->num = num; -+ new_node->orig_node = orig_node; -+ new_node->next = head; -+ return new_node; -+} -+ -+static void free_interesting_stmts(struct interesting_stmts *head) -+{ -+ while (head) { -+ struct interesting_stmts *cur = head->next; -+ free(head); -+ head = cur; -+ } -+} -+ -+/* This function calls the main recursion function (expand) that duplicates the stmts. Before that it checks the intentional_overflow attribute, -+ * it decides whether the duplication is necessary or not. After expand() it changes the orig node to the duplicated node -+ * in the original stmt (first stmt) and it inserts the overflow check for the arg of the callee or for the return value. -+ */ -+static struct interesting_stmts *search_interesting_stmt(struct interesting_stmts *head, gimple first_stmt, tree orig_node, unsigned int num) -+{ -+ enum tree_code orig_code; -+ -+ gcc_assert(orig_node != NULL_TREE); -+ -+ if (is_gimple_constant(orig_node)) -+ return head; -+ -+ orig_code = TREE_CODE(orig_node); -+ gcc_assert(orig_code != FIELD_DECL && orig_code != FUNCTION_DECL); -+ gcc_assert(!skip_types(orig_node)); -+ -+ if (check_intentional_asm(first_stmt, num) != MARK_NO) -+ return head; -+ -+ if (SSA_NAME_IS_DEFAULT_DEF(orig_node)) -+ return head; -+ -+ if (skip_asm_cast(orig_node)) -+ return head; -+ -+ return create_interesting_stmts(head, orig_node, first_stmt, num); -+} -+ -+static void handle_interesting_stmt(struct visited *visited, struct interesting_stmts *head) -+{ -+ struct interesting_stmts *cur; -+ -+ for (cur = head; cur; cur = cur->next) { -+ tree new_node; -+ -+ new_node = expand(visited, cur->orig_node); -+ if (new_node == NULL_TREE) -+ continue; -+ -+ change_orig_node(visited, cur->first_stmt, cur->orig_node, new_node, cur->num); -+ check_size_overflow(cur->first_stmt, TREE_TYPE(new_node), new_node, cur->orig_node, BEFORE_STMT); -+ } -+} -+ -+static bool is_interesting_function(const_tree decl, unsigned int num) -+{ -+ const struct size_overflow_hash *so_hash; -+ -+ if (get_global_next_interesting_function_entry_with_hash(decl, DECL_NAME_POINTER(decl), num, YES_SO_MARK)) -+ return true; -+ -+ if (made_by_compiler(decl)) -+ return false; -+ -+ so_hash = get_size_overflow_hash_entry_tree(decl, num); -+ return so_hash != NULL; -+} -+ -+tree handle_fnptr_assign(const_gimple stmt) -+{ -+ tree field, rhs, op0; -+ const_tree op0_type; -+ enum tree_code rhs_code; -+ -+ // TODO skip binary assignments for now (fs/sync.c _591 = __bpf_call_base + _590;) -+ if (gimple_num_ops(stmt) != 2) -+ return NULL_TREE; -+ -+ gcc_assert(gimple_num_ops(stmt) == 2); -+ // TODO skip asm_stmt for now -+ if (gimple_code(stmt) == GIMPLE_ASM) -+ return NULL_TREE; -+ rhs = gimple_assign_rhs1(stmt); -+ if (is_gimple_constant(rhs)) -+ return NULL_TREE; -+ -+ rhs_code = TREE_CODE(rhs); -+ if (rhs_code == VAR_DECL) -+ return rhs; -+ -+ switch (rhs_code) { -+ case ADDR_EXPR: -+ op0 = TREE_OPERAND(rhs, 0); -+ gcc_assert(TREE_CODE(op0) == FUNCTION_DECL); -+ return op0; -+ case COMPONENT_REF: -+ break; -+ // TODO skip array_ref for now -+ case ARRAY_REF: -+ return NULL_TREE; -+ // TODO skip ssa_name because it can lead to parm_decl -+ case SSA_NAME: -+ return NULL_TREE; -+ // TODO skip mem_ref and indirect_ref for now -+#if BUILDING_GCC_VERSION >= 4006 -+ case MEM_REF: -+#endif -+ case INDIRECT_REF: -+ return NULL_TREE; -+ default: -+ debug_tree(rhs); -+ debug_gimple_stmt((gimple)stmt); -+ gcc_unreachable(); -+ } -+ -+ op0 = TREE_OPERAND(rhs, 0); -+ switch (TREE_CODE(op0)) { -+ // TODO skip array_ref and parm_decl for now -+ case ARRAY_REF: -+ case PARM_DECL: -+ return NULL_TREE; -+ case COMPONENT_REF: -+#if BUILDING_GCC_VERSION >= 4006 -+ case MEM_REF: -+#endif -+ case INDIRECT_REF: -+ case VAR_DECL: -+ break; -+ default: -+ debug_tree(op0); -+ gcc_unreachable(); -+ } -+ -+ op0_type = TREE_TYPE(op0); -+ // TODO skip unions for now -+ if (TREE_CODE(op0_type) == UNION_TYPE) -+ return NULL_TREE; -+ gcc_assert(TREE_CODE(op0_type) == RECORD_TYPE); -+ -+ field = TREE_OPERAND(rhs, 1); -+ gcc_assert(TREE_CODE(field) == FIELD_DECL); -+ return field; -+} -+ -+static tree get_fn_or_fnptr_decl(const gcall *call_stmt) -+{ -+ const_tree fnptr; -+ const_gimple def_stmt; -+ tree decl = gimple_call_fndecl(call_stmt); -+ -+ if (decl != NULL_TREE) -+ return decl; -+ -+ fnptr = gimple_call_fn(call_stmt); -+ // !!! assertot kell irni 0-ra, mert csak az lehet ott -+ if (is_gimple_constant(fnptr)) -+ return NULL_TREE; -+ def_stmt = get_fnptr_def_stmt(fnptr); -+ return handle_fnptr_assign(def_stmt); -+} -+ -+// Start stmt duplication on marked function parameters -+static struct interesting_stmts *search_interesting_calls(struct interesting_stmts *head, gcall *call_stmt) -+{ -+ tree decl; -+ unsigned int i, len; -+ -+ len = gimple_call_num_args(call_stmt); -+ if (len == 0) -+ return head; -+ -+ decl = get_fn_or_fnptr_decl(call_stmt); -+ if (decl == NULL_TREE) -+ return head; -+ -+ for (i = 0; i < len; i++) { -+ tree arg; -+ -+ arg = gimple_call_arg(call_stmt, i); -+ if (is_gimple_constant(arg)) -+ continue; -+ if (skip_types(arg)) -+ continue; -+ if (is_interesting_function(decl, i + 1)) -+ head = search_interesting_stmt(head, call_stmt, arg, i + 1); -+ } -+ -+ return head; -+} -+ -+// Collect interesting stmts for duplication -+static void search_interesting_stmts(struct visited *visited) -+{ -+ basic_block bb; -+ bool search_ret; -+ struct interesting_stmts *head = NULL; -+ -+ search_ret = is_interesting_function(current_function_decl, 0); -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ tree first_node; -+ gimple stmt = gsi_stmt(gsi); -+ -+ switch (gimple_code(stmt)) { -+ case GIMPLE_ASM: -+ if (!is_size_overflow_insert_check_asm(as_a_gasm(stmt))) -+ continue; -+ first_node = get_size_overflow_asm_input(as_a_gasm(stmt)); -+ head = search_interesting_stmt(head, stmt, first_node, 0); -+ break; -+ case GIMPLE_RETURN: -+ if (!search_ret) -+ continue; -+ first_node = gimple_return_retval(as_a_greturn(stmt)); -+ if (first_node == NULL_TREE) -+ break; -+ head = search_interesting_stmt(head, stmt, first_node, 0); -+ break; -+ case GIMPLE_CALL: -+ head = search_interesting_calls(head, as_a_gcall(stmt)); -+ break; -+ default: -+ break; -+ } -+ } -+ } -+ -+ handle_interesting_stmt(visited, head); -+ free_interesting_stmts(head); -+} -+ -+static struct visited *create_visited(void) -+{ -+ struct visited *new_node; -+ -+ new_node = (struct visited *)xmalloc(sizeof(*new_node)); -+ new_node->stmts = pointer_set_create(); -+ new_node->my_stmts = pointer_set_create(); -+ new_node->skip_expr_casts = pointer_set_create(); -+ new_node->no_cast_check = pointer_set_create(); -+ return new_node; -+} -+ -+static void free_visited(struct visited *visited) -+{ -+ pointer_set_destroy(visited->stmts); -+ pointer_set_destroy(visited->my_stmts); -+ pointer_set_destroy(visited->skip_expr_casts); -+ pointer_set_destroy(visited->no_cast_check); -+ -+ free(visited); -+} -+ -+// Remove the size_overflow asm stmt and create an assignment from the input and output of the asm -+static void replace_size_overflow_asm_with_assign(gasm *asm_stmt, tree lhs, tree rhs) -+{ -+ gassign *assign; -+ gimple_stmt_iterator gsi; -+ -+ // already removed -+ if (gimple_bb(asm_stmt) == NULL) -+ return; -+ gsi = gsi_for_stmt(asm_stmt); -+ -+ assign = gimple_build_assign(lhs, rhs); -+ gsi_insert_before(&gsi, assign, GSI_SAME_STMT); -+ SSA_NAME_DEF_STMT(lhs) = assign; -+ -+ gsi_remove(&gsi, true); -+} -+ -+// Replace our asm stmts with assignments (they are no longer needed and may interfere with later optimizations) -+static void remove_size_overflow_asm(gimple stmt) -+{ -+ gimple_stmt_iterator gsi; -+ tree input, output; -+ -+ if (!is_size_overflow_asm(stmt)) -+ return; -+ -+ if (gimple_asm_noutputs(as_a_gasm(stmt)) == 0) { -+ gsi = gsi_for_stmt(stmt); -+ -+ ipa_remove_stmt_references(cgraph_get_node(current_function_decl), stmt); -+ gsi_remove(&gsi, true); -+ return; -+ } -+ -+ input = gimple_asm_input_op(as_a_gasm(stmt), 0); -+ output = gimple_asm_output_op(as_a_gasm(stmt), 0); -+ replace_size_overflow_asm_with_assign(as_a_gasm(stmt), TREE_VALUE(output), TREE_VALUE(input)); -+} -+ -+static void remove_all_size_overflow_asm(void) -+{ -+ basic_block bb; -+ -+ FOR_ALL_BB_FN(bb, cfun) { -+ gimple_stmt_iterator si; -+ -+ for (si = gsi_start_bb(bb); !gsi_end_p(si); gsi_next(&si)) -+ remove_size_overflow_asm(gsi_stmt(si)); -+ } -+} -+ -+unsigned int size_overflow_transform(struct cgraph_node *node __unused) -+{ -+ struct visited *visited; -+ -+#if BUILDING_GCC_VERSION >= 4008 -+ if (dump_file) { -+ fprintf(dump_file, "BEFORE TRANSFORM -------------------------\n"); -+ size_overflow_dump_function(dump_file, node); -+ } -+#endif -+ visited = create_visited(); -+ set_dominance_info(); -+ -+ search_interesting_stmts(visited); -+ -+ remove_all_size_overflow_asm(); -+ -+ unset_dominance_info(); -+ free_visited(visited); -+ -+#if BUILDING_GCC_VERSION >= 4008 -+ if (dump_file) { -+ fprintf(dump_file, "AFTER TRANSFORM -------------------------\n"); -+ size_overflow_dump_function(dump_file, node); -+ } -+#endif -+ return TODO_dump_func | TODO_verify_stmts | TODO_remove_unused_locals | TODO_update_ssa_no_phi | TODO_ggc_collect | TODO_verify_flow; -+} -diff --git a/tools/gcc/size_overflow_plugin/size_overflow_transform_core.c b/tools/gcc/size_overflow_plugin/size_overflow_transform_core.c -new file mode 100644 -index 0000000..c9d7068 ---- /dev/null -+++ b/tools/gcc/size_overflow_plugin/size_overflow_transform_core.c -@@ -0,0 +1,966 @@ -+/* -+ * Copyright 2011-2015 by Emese Revfy re.emese@gmail.com -+ * Licensed under the GPL v2, or (at your option) v3 -+ * -+ * Homepage: -+ * https://github.com/ephox-gcc-plugins/size_overflow -+ * -+ * Documentation: -+ * http://forums.grsecurity.net/viewtopic.php?f=7&t=3043 -+ * -+ * This plugin recomputes expressions of function arguments marked by a size_overflow attribute -+ * with double integer precision (DImode/TImode for 32/64 bit integer types). -+ * The recomputed argument is checked against TYPE_MAX and an event is logged on overflow and the triggering process is killed. -+ * -+ * Usage: -+ * $ make -+ * $ make run -+ */ -+ -+#include "size_overflow.h" -+ -+#define MIN_CHECK true -+#define MAX_CHECK false -+ -+unsigned int call_count = 0; -+ -+static tree get_size_overflow_type(struct visited *visited, const_gimple stmt, const_tree node) -+{ -+ const_tree type; -+ tree new_type; -+ -+ gcc_assert(node != NULL_TREE); -+ -+ type = TREE_TYPE(node); -+ -+ if (pointer_set_contains(visited->my_stmts, stmt)) -+ return TREE_TYPE(node); -+ -+ switch (TYPE_MODE(type)) { -+ case QImode: -+ new_type = size_overflow_type_HI; -+ break; -+ case HImode: -+ new_type = size_overflow_type_SI; -+ break; -+ case SImode: -+ new_type = size_overflow_type_DI; -+ break; -+ case DImode: -+ if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode)) -+ new_type = TYPE_UNSIGNED(type) ? unsigned_intDI_type_node : intDI_type_node; -+ else -+ new_type = size_overflow_type_TI; -+ break; -+ case TImode: -+ gcc_assert(!TYPE_UNSIGNED(type)); -+ new_type = size_overflow_type_TI; -+ break; -+ default: -+ debug_tree((tree)node); -+ error("%s: unsupported gcc configuration (%qE).", __func__, current_function_decl); -+ gcc_unreachable(); -+ } -+ -+ if (TYPE_QUALS(type) != 0) -+ return build_qualified_type(new_type, TYPE_QUALS(type)); -+ return new_type; -+} -+ -+static tree cast_to_new_size_overflow_type(struct visited *visited, gimple stmt, tree rhs, tree size_overflow_type, bool before) -+{ -+ gimple_stmt_iterator gsi; -+ gimple new_stmt; -+ -+ if (rhs == NULL_TREE) -+ return NULL_TREE; -+ -+ gsi = gsi_for_stmt(stmt); -+ new_stmt = build_cast_stmt(visited, size_overflow_type, rhs, CREATE_NEW_VAR, &gsi, before, false); -+ if (gimple_assign_cast_p(new_stmt)) -+ gimple_assign_set_rhs_code(new_stmt, CONVERT_EXPR); -+ pointer_set_insert(visited->my_stmts, new_stmt); -+ -+ return get_lhs(new_stmt); -+} -+ -+tree create_assign(struct visited *visited, gimple oldstmt, tree rhs1, bool before) -+{ -+ tree lhs, dst_type; -+ gimple_stmt_iterator gsi; -+ -+ if (rhs1 == NULL_TREE) { -+ debug_gimple_stmt(oldstmt); -+ error("%s: rhs1 is NULL_TREE", __func__); -+ gcc_unreachable(); -+ } -+ -+ switch (gimple_code(oldstmt)) { -+ case GIMPLE_ASM: -+ lhs = rhs1; -+ break; -+ case GIMPLE_CALL: -+ case GIMPLE_ASSIGN: -+ lhs = gimple_get_lhs(oldstmt); -+ break; -+ default: -+ debug_gimple_stmt(oldstmt); -+ gcc_unreachable(); -+ } -+ -+ gsi = gsi_for_stmt(oldstmt); -+ pointer_set_insert(visited->stmts, oldstmt); -+ if (lookup_stmt_eh_lp(oldstmt) != 0) { -+ basic_block next_bb, cur_bb; -+ const_edge e; -+ -+ gcc_assert(before == false); -+ gcc_assert(stmt_can_throw_internal(oldstmt)); -+ gcc_assert(gimple_code(oldstmt) == GIMPLE_CALL); -+ gcc_assert(!gsi_end_p(gsi)); -+ -+ cur_bb = gimple_bb(oldstmt); -+ next_bb = cur_bb->next_bb; -+ e = find_edge(cur_bb, next_bb); -+ gcc_assert(e != NULL); -+ gcc_assert(e->flags & EDGE_FALLTHRU); -+ -+ gsi = gsi_after_labels(next_bb); -+ gcc_assert(!gsi_end_p(gsi)); -+ -+ before = true; -+ oldstmt = gsi_stmt(gsi); -+ } -+ -+ if (is_gimple_constant(rhs1) && TREE_CODE_CLASS(gimple_assign_rhs_code(oldstmt)) == tcc_comparison) -+ dst_type = get_size_overflow_type(visited, oldstmt, rhs1); -+ else -+ dst_type = get_size_overflow_type(visited, oldstmt, lhs); -+ -+ if (is_gimple_constant(rhs1)) -+ return cast_a_tree(dst_type, rhs1); -+ return cast_to_new_size_overflow_type(visited, oldstmt, rhs1, dst_type, before); -+} -+ -+tree dup_assign(struct visited *visited, gassign *oldstmt, const_tree node, tree rhs1, tree rhs2, tree __unused rhs3) -+{ -+ gassign *stmt; -+ gimple_stmt_iterator gsi; -+ tree size_overflow_type, new_var, lhs = gimple_assign_lhs(oldstmt); -+ -+ if (pointer_set_contains(visited->my_stmts, oldstmt)) -+ return lhs; -+ -+ if (gimple_num_ops(oldstmt) != 4 && rhs1 == NULL_TREE) { -+ rhs1 = gimple_assign_rhs1(oldstmt); -+ rhs1 = create_assign(visited, oldstmt, rhs1, BEFORE_STMT); -+ } -+ if (gimple_num_ops(oldstmt) == 3 && rhs2 == NULL_TREE) { -+ rhs2 = gimple_assign_rhs2(oldstmt); -+ rhs2 = create_assign(visited, oldstmt, rhs2, BEFORE_STMT); -+ } -+ -+ stmt = as_a_gassign(gimple_copy(oldstmt)); -+ gimple_set_location(stmt, gimple_location(oldstmt)); -+ pointer_set_insert(visited->my_stmts, stmt); -+ -+ if (gimple_assign_rhs_code(oldstmt) == WIDEN_MULT_EXPR) -+ gimple_assign_set_rhs_code(stmt, MULT_EXPR); -+ -+ size_overflow_type = get_size_overflow_type(visited, oldstmt, node); -+ -+ new_var = create_new_var(size_overflow_type); -+ new_var = make_ssa_name(new_var, stmt); -+ gimple_assign_set_lhs(stmt, new_var); -+ -+ if (rhs1 != NULL_TREE) -+ gimple_assign_set_rhs1(stmt, rhs1); -+ -+ if (rhs2 != NULL_TREE) -+ gimple_assign_set_rhs2(stmt, rhs2); -+#if BUILDING_GCC_VERSION >= 4006 -+ if (rhs3 != NULL_TREE) -+ gimple_assign_set_rhs3(stmt, rhs3); -+#endif -+ gimple_set_vuse(stmt, gimple_vuse(oldstmt)); -+ gimple_set_vdef(stmt, gimple_vdef(oldstmt)); -+ -+ gsi = gsi_for_stmt(oldstmt); -+ gsi_insert_after(&gsi, stmt, GSI_SAME_STMT); -+ update_stmt(stmt); -+ pointer_set_insert(visited->stmts, oldstmt); -+ return gimple_assign_lhs(stmt); -+} -+ -+static tree cast_parm_decl(struct visited *visited, tree phi_ssa_name, tree arg, tree size_overflow_type, basic_block bb) -+{ -+ const_gimple assign; -+ gimple_stmt_iterator gsi; -+ basic_block first_bb; -+ -+ gcc_assert(SSA_NAME_IS_DEFAULT_DEF(arg)); -+ -+ if (bb->index == 0) { -+ first_bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest; -+ gcc_assert(dom_info_available_p(CDI_DOMINATORS)); -+ set_immediate_dominator(CDI_DOMINATORS, first_bb, ENTRY_BLOCK_PTR_FOR_FN(cfun)); -+ bb = first_bb; -+ } -+ -+ gsi = gsi_after_labels(bb); -+ assign = build_cast_stmt(visited, size_overflow_type, arg, phi_ssa_name, &gsi, BEFORE_STMT, false); -+ pointer_set_insert(visited->my_stmts, assign); -+ return get_lhs(assign); -+} -+ -+static tree use_phi_ssa_name(struct visited *visited, tree ssa_name_var, tree new_arg) -+{ -+ gimple_stmt_iterator gsi; -+ const_gimple assign; -+ gimple def_stmt = get_def_stmt(new_arg); -+ -+ if (gimple_code(def_stmt) == GIMPLE_PHI) { -+ gsi = gsi_after_labels(gimple_bb(def_stmt)); -+ assign = build_cast_stmt(visited, TREE_TYPE(new_arg), new_arg, ssa_name_var, &gsi, BEFORE_STMT, true); -+ } else { -+ gsi = gsi_for_stmt(def_stmt); -+ assign = build_cast_stmt(visited, TREE_TYPE(new_arg), new_arg, ssa_name_var, &gsi, AFTER_STMT, true); -+ } -+ -+ pointer_set_insert(visited->my_stmts, assign); -+ return get_lhs(assign); -+} -+ -+static tree cast_visited_phi_arg(struct visited *visited, tree ssa_name_var, tree arg, tree size_overflow_type) -+{ -+ basic_block bb; -+ gimple_stmt_iterator gsi; -+ const_gimple def_stmt; -+ const_gimple assign; -+ -+ def_stmt = get_def_stmt(arg); -+ bb = gimple_bb(def_stmt); -+ gcc_assert(bb->index != 0); -+ gsi = gsi_after_labels(bb); -+ -+ assign = build_cast_stmt(visited, size_overflow_type, arg, ssa_name_var, &gsi, BEFORE_STMT, false); -+ pointer_set_insert(visited->my_stmts, assign); -+ return get_lhs(assign); -+} -+ -+static tree create_new_phi_arg(struct visited *visited, tree ssa_name_var, tree new_arg, gphi *oldstmt, unsigned int i) -+{ -+ tree size_overflow_type; -+ tree arg; -+ const_gimple def_stmt; -+ -+ if (new_arg != NULL_TREE && is_gimple_constant(new_arg)) -+ return new_arg; -+ -+ arg = gimple_phi_arg_def(oldstmt, i); -+ def_stmt = get_def_stmt(arg); -+ gcc_assert(def_stmt != NULL); -+ size_overflow_type = get_size_overflow_type(visited, oldstmt, arg); -+ -+ switch (gimple_code(def_stmt)) { -+ case GIMPLE_PHI: -+ return cast_visited_phi_arg(visited, ssa_name_var, arg, size_overflow_type); -+ case GIMPLE_NOP: { -+ basic_block bb; -+ -+ bb = gimple_phi_arg_edge(oldstmt, i)->src; -+ return cast_parm_decl(visited, ssa_name_var, arg, size_overflow_type, bb); -+ } -+ case GIMPLE_ASM: { -+ gimple_stmt_iterator gsi; -+ const_gimple assign; -+ gimple stmt = get_def_stmt(arg); -+ -+ gsi = gsi_for_stmt(stmt); -+ assign = build_cast_stmt(visited, size_overflow_type, arg, ssa_name_var, &gsi, AFTER_STMT, false); -+ pointer_set_insert(visited->my_stmts, assign); -+ return get_lhs(assign); -+ } -+ default: -+ gcc_assert(new_arg != NULL_TREE); -+ gcc_assert(types_compatible_p(TREE_TYPE(new_arg), size_overflow_type)); -+ return use_phi_ssa_name(visited, ssa_name_var, new_arg); -+ } -+} -+ -+static gphi *overflow_create_phi_node(struct visited *visited, gphi *oldstmt, tree result) -+{ -+ basic_block bb; -+ gimple stmt; -+ gphi *phi; -+ gimple_seq seq; -+ gimple_stmt_iterator gsi = gsi_for_stmt(oldstmt); -+ -+ bb = gsi_bb(gsi); -+ -+ if (result == NULL_TREE) { -+ tree old_result = gimple_phi_result(oldstmt); -+ tree size_overflow_type = get_size_overflow_type(visited, oldstmt, old_result); -+ -+ result = create_new_var(size_overflow_type); -+ } -+ -+ stmt = create_phi_node(result, bb); -+ phi = as_a_gphi(stmt); -+ gimple_phi_set_result(phi, make_ssa_name(result, phi)); -+ seq = phi_nodes(bb); -+ gsi = gsi_last(seq); -+ gsi_remove(&gsi, false); -+ -+ gsi = gsi_for_stmt(oldstmt); -+ gsi_insert_after(&gsi, phi, GSI_NEW_STMT); -+ gimple_set_bb(phi, bb); -+ return phi; -+} -+ -+#if BUILDING_GCC_VERSION <= 4007 -+static tree create_new_phi_node(struct visited *visited, VEC(tree, heap) **args, tree ssa_name_var, gimple oldstmt) -+#else -+static tree create_new_phi_node(struct visited *visited, vec<tree, va_heap, vl_embed> *&args, tree ssa_name_var, gphi *oldstmt) -+#endif -+{ -+ gphi *new_phi; -+ unsigned int i; -+ tree arg, result; -+ location_t loc = gimple_location(oldstmt); -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ gcc_assert(!VEC_empty(tree, *args)); -+#else -+ gcc_assert(!args->is_empty()); -+#endif -+ -+ new_phi = overflow_create_phi_node(visited, oldstmt, ssa_name_var); -+ result = gimple_phi_result(new_phi); -+ ssa_name_var = SSA_NAME_VAR(result); -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ FOR_EACH_VEC_ELT(tree, *args, i, arg) { -+#else -+ FOR_EACH_VEC_SAFE_ELT(args, i, arg) { -+#endif -+ arg = create_new_phi_arg(visited, ssa_name_var, arg, oldstmt, i); -+ add_phi_arg(new_phi, arg, gimple_phi_arg_edge(oldstmt, i), loc); -+ } -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_free(tree, heap, *args); -+#else -+ vec_free(args); -+#endif -+ update_stmt(new_phi); -+ pointer_set_insert(visited->my_stmts, new_phi); -+ return result; -+} -+ -+static tree handle_phi(struct visited *visited, tree orig_result) -+{ -+ tree ssa_name_var = NULL_TREE; -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC(tree, heap) *args = NULL; -+#else -+ vec<tree, va_heap, vl_embed> *args = NULL; -+#endif -+ gphi *oldstmt = as_a_gphi(get_def_stmt(orig_result)); -+ unsigned int i, len = gimple_phi_num_args(oldstmt); -+ -+ pointer_set_insert(visited->stmts, oldstmt); -+ for (i = 0; i < len; i++) { -+ tree arg, new_arg; -+ -+ arg = gimple_phi_arg_def(oldstmt, i); -+ new_arg = expand(visited, arg); -+ -+ if (ssa_name_var == NULL_TREE && new_arg != NULL_TREE) -+ ssa_name_var = SSA_NAME_VAR(new_arg); -+ -+ if (is_gimple_constant(arg)) { -+ tree size_overflow_type = get_size_overflow_type(visited, oldstmt, arg); -+ -+ new_arg = cast_a_tree(size_overflow_type, arg); -+ } -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ VEC_safe_push(tree, heap, args, new_arg); -+#else -+ vec_safe_push(args, new_arg); -+#endif -+ } -+ -+#if BUILDING_GCC_VERSION <= 4007 -+ return create_new_phi_node(visited, &args, ssa_name_var, oldstmt); -+#else -+ return create_new_phi_node(visited, args, ssa_name_var, oldstmt); -+#endif -+} -+ -+static tree create_cast_assign(struct visited *visited, gassign *stmt) -+{ -+ tree rhs1 = gimple_assign_rhs1(stmt); -+ tree lhs = gimple_assign_lhs(stmt); -+ const_tree rhs1_type = TREE_TYPE(rhs1); -+ const_tree lhs_type = TREE_TYPE(lhs); -+ -+ if (TYPE_UNSIGNED(rhs1_type) == TYPE_UNSIGNED(lhs_type)) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ return create_assign(visited, stmt, rhs1, AFTER_STMT); -+} -+ -+static bool skip_lhs_cast_check(const gassign *stmt) -+{ -+ const_tree rhs = gimple_assign_rhs1(stmt); -+ const_gimple def_stmt = get_def_stmt(rhs); -+ -+ // 3.8.2 kernel/futex_compat.c compat_exit_robust_list(): get_user() 64 ulong -> int (compat_long_t), int max -+ if (gimple_code(def_stmt) == GIMPLE_ASM) -+ return true; -+ -+ if (is_const_plus_unsigned_signed_truncation(rhs)) -+ return true; -+ -+ return false; -+} -+ -+static tree create_string_param(tree string) -+{ -+ tree i_type, a_type; -+ const int length = TREE_STRING_LENGTH(string); -+ -+ gcc_assert(length > 0); -+ -+ i_type = build_index_type(build_int_cst(NULL_TREE, length - 1)); -+ a_type = build_array_type(char_type_node, i_type); -+ -+ TREE_TYPE(string) = a_type; -+ TREE_CONSTANT(string) = 1; -+ TREE_READONLY(string) = 1; -+ -+ return build1(ADDR_EXPR, ptr_type_node, string); -+} -+ -+static void insert_cond(basic_block cond_bb, tree arg, enum tree_code cond_code, tree type_value) -+{ -+ gcond *cond_stmt; -+ gimple_stmt_iterator gsi = gsi_last_bb(cond_bb); -+ -+ cond_stmt = gimple_build_cond(cond_code, arg, type_value, NULL_TREE, NULL_TREE); -+ gsi_insert_after(&gsi, cond_stmt, GSI_CONTINUE_LINKING); -+ update_stmt(cond_stmt); -+} -+ -+static void insert_cond_result(basic_block bb_true, const_gimple stmt, const_tree arg, bool min) -+{ -+ gimple call_stmt; -+ gcall *func_stmt; -+ const_gimple def_stmt; -+ const_tree loc_line; -+ tree loc_file, ssa_name, current_func; -+ expanded_location xloc; -+ char *ssa_name_buf; -+ int len; -+ struct cgraph_edge *edge; -+ struct cgraph_node *report_node; -+ int frequency; -+ gimple_stmt_iterator gsi = gsi_start_bb(bb_true); -+ -+ def_stmt = get_def_stmt(arg); -+ xloc = expand_location(gimple_location(def_stmt)); -+ -+ if (!gimple_has_location(def_stmt)) { -+ xloc = expand_location(gimple_location(stmt)); -+ if (!gimple_has_location(stmt)) -+ xloc = expand_location(DECL_SOURCE_LOCATION(current_function_decl)); -+ } -+ -+ loc_line = build_int_cstu(unsigned_type_node, xloc.line); -+ -+ loc_file = build_string(strlen(xloc.file) + 1, xloc.file); -+ loc_file = create_string_param(loc_file); -+ -+ current_func = build_string(DECL_NAME_LENGTH(current_function_decl) + 1, DECL_NAME_POINTER(current_function_decl)); -+ current_func = create_string_param(current_func); -+ -+ gcc_assert(DECL_NAME(SSA_NAME_VAR(arg)) != NULL); -+ call_count++; -+ len = asprintf(&ssa_name_buf, "%s_%u %s, count: %u\n", DECL_NAME_POINTER(SSA_NAME_VAR(arg)), SSA_NAME_VERSION(arg), min ? "min" : "max", call_count); -+ gcc_assert(len > 0); -+ ssa_name = build_string(len + 1, ssa_name_buf); -+ free(ssa_name_buf); -+ ssa_name = create_string_param(ssa_name); -+ -+ // void report_size_overflow(const char *file, unsigned int line, const char *func, const char *ssa_name) -+ call_stmt = gimple_build_call(report_size_overflow_decl, 4, loc_file, loc_line, current_func, ssa_name); -+ func_stmt = as_a_gcall(call_stmt); -+ gsi_insert_after(&gsi, func_stmt, GSI_CONTINUE_LINKING); -+ -+ report_node = cgraph_get_create_node(report_size_overflow_decl); -+ gcc_assert(report_node); -+ frequency = compute_call_stmt_bb_frequency(current_function_decl, bb_true); -+ -+ edge = cgraph_create_edge(get_cnode(current_function_decl), report_node, func_stmt, bb_true->count, frequency, bb_true->loop_depth); -+ gcc_assert(edge != NULL); -+} -+ -+static void insert_check_size_overflow(gimple stmt, enum tree_code cond_code, tree arg, tree type_value, bool before, bool min) -+{ -+ basic_block cond_bb, join_bb, bb_true; -+ edge e; -+ gimple_stmt_iterator gsi = gsi_for_stmt(stmt); -+ -+ cond_bb = gimple_bb(stmt); -+ if (before) -+ gsi_prev(&gsi); -+ if (gsi_end_p(gsi)) -+ e = split_block_after_labels(cond_bb); -+ else -+ e = split_block(cond_bb, gsi_stmt(gsi)); -+ cond_bb = e->src; -+ join_bb = e->dest; -+ e->flags = EDGE_FALSE_VALUE; -+ e->probability = REG_BR_PROB_BASE; -+ -+ bb_true = create_empty_bb(cond_bb); -+ make_edge(cond_bb, bb_true, EDGE_TRUE_VALUE); -+ make_edge(cond_bb, join_bb, EDGE_FALSE_VALUE); -+ make_edge(bb_true, join_bb, EDGE_FALLTHRU); -+ -+ gcc_assert(dom_info_available_p(CDI_DOMINATORS)); -+ set_immediate_dominator(CDI_DOMINATORS, bb_true, cond_bb); -+ set_immediate_dominator(CDI_DOMINATORS, join_bb, cond_bb); -+ -+ if (current_loops != NULL) { -+ gcc_assert(cond_bb->loop_father == join_bb->loop_father); -+ add_bb_to_loop(bb_true, cond_bb->loop_father); -+ } -+ -+ insert_cond(cond_bb, arg, cond_code, type_value); -+ insert_cond_result(bb_true, stmt, arg, min); -+ -+// print_the_code_insertions(stmt); -+} -+ -+void check_size_overflow(gimple stmt, tree size_overflow_type, tree cast_rhs, tree rhs, bool before) -+{ -+ const_tree rhs_type = TREE_TYPE(rhs); -+ tree cast_rhs_type, type_max_type, type_min_type, type_max, type_min; -+ -+ gcc_assert(rhs_type != NULL_TREE); -+ if (TREE_CODE(rhs_type) == POINTER_TYPE) -+ return; -+ -+ gcc_assert(TREE_CODE(rhs_type) == INTEGER_TYPE || TREE_CODE(rhs_type) == ENUMERAL_TYPE); -+ -+ if (is_const_plus_unsigned_signed_truncation(rhs)) -+ return; -+ -+ type_max = cast_a_tree(size_overflow_type, TYPE_MAX_VALUE(rhs_type)); -+ // typemax (-1) < typemin (0) -+ if (TREE_OVERFLOW(type_max)) -+ return; -+ -+ type_min = cast_a_tree(size_overflow_type, TYPE_MIN_VALUE(rhs_type)); -+ -+ cast_rhs_type = TREE_TYPE(cast_rhs); -+ type_max_type = TREE_TYPE(type_max); -+ gcc_assert(types_compatible_p(cast_rhs_type, type_max_type)); -+ -+ insert_check_size_overflow(stmt, GT_EXPR, cast_rhs, type_max, before, MAX_CHECK); -+ -+ // special case: get_size_overflow_type(), 32, u64->s -+ if (LONG_TYPE_SIZE == GET_MODE_BITSIZE(SImode) && TYPE_UNSIGNED(size_overflow_type) && !TYPE_UNSIGNED(rhs_type)) -+ return; -+ -+ type_min_type = TREE_TYPE(type_min); -+ gcc_assert(types_compatible_p(type_max_type, type_min_type)); -+ insert_check_size_overflow(stmt, LT_EXPR, cast_rhs, type_min, before, MIN_CHECK); -+} -+ -+static tree create_cast_overflow_check(struct visited *visited, tree new_rhs1, gassign *stmt) -+{ -+ bool cast_lhs, cast_rhs; -+ tree lhs = gimple_assign_lhs(stmt); -+ tree rhs = gimple_assign_rhs1(stmt); -+ const_tree lhs_type = TREE_TYPE(lhs); -+ const_tree rhs_type = TREE_TYPE(rhs); -+ enum machine_mode lhs_mode = TYPE_MODE(lhs_type); -+ enum machine_mode rhs_mode = TYPE_MODE(rhs_type); -+ unsigned int lhs_size = GET_MODE_BITSIZE(lhs_mode); -+ unsigned int rhs_size = GET_MODE_BITSIZE(rhs_mode); -+ -+ static bool check_lhs[3][4] = { -+ // ss su us uu -+ { false, true, true, false }, // lhs > rhs -+ { false, false, false, false }, // lhs = rhs -+ { true, true, true, true }, // lhs < rhs -+ }; -+ -+ static bool check_rhs[3][4] = { -+ // ss su us uu -+ { true, false, true, true }, // lhs > rhs -+ { true, false, true, true }, // lhs = rhs -+ { true, false, true, true }, // lhs < rhs -+ }; -+ -+ // skip lhs check on signed SI -> HI cast or signed SI -> QI cast -+ if (rhs_mode == SImode && !TYPE_UNSIGNED(rhs_type) && (lhs_mode == HImode || lhs_mode == QImode)) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ if (lhs_size > rhs_size) { -+ cast_lhs = check_lhs[0][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ cast_rhs = check_rhs[0][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ } else if (lhs_size == rhs_size) { -+ cast_lhs = check_lhs[1][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ cast_rhs = check_rhs[1][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ } else { -+ cast_lhs = check_lhs[2][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ cast_rhs = check_rhs[2][TYPE_UNSIGNED(rhs_type) + 2 * TYPE_UNSIGNED(lhs_type)]; -+ } -+ -+ if (!cast_lhs && !cast_rhs) -+ return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE); -+ -+ if (cast_lhs && !skip_lhs_cast_check(stmt)) -+ check_size_overflow(stmt, TREE_TYPE(new_rhs1), new_rhs1, lhs, BEFORE_STMT); -+ -+ if (cast_rhs) -+ check_size_overflow(stmt, TREE_TYPE(new_rhs1), new_rhs1, rhs, BEFORE_STMT); -+ -+ return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE); -+} -+ -+static tree handle_unary_rhs(struct visited *visited, gassign *stmt) -+{ -+ enum tree_code rhs_code; -+ tree rhs1, new_rhs1, lhs = gimple_assign_lhs(stmt); -+ -+ if (pointer_set_contains(visited->my_stmts, stmt)) -+ return lhs; -+ -+ rhs1 = gimple_assign_rhs1(stmt); -+ if (TREE_CODE(TREE_TYPE(rhs1)) == POINTER_TYPE) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ new_rhs1 = expand(visited, rhs1); -+ -+ if (new_rhs1 == NULL_TREE) -+ return create_cast_assign(visited, stmt); -+ -+ if (pointer_set_contains(visited->no_cast_check, stmt)) -+ return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE); -+ -+ rhs_code = gimple_assign_rhs_code(stmt); -+ if (rhs_code == BIT_NOT_EXPR || rhs_code == NEGATE_EXPR) { -+ tree size_overflow_type = get_size_overflow_type(visited, stmt, rhs1); -+ -+ new_rhs1 = cast_to_new_size_overflow_type(visited, stmt, new_rhs1, size_overflow_type, BEFORE_STMT); -+ check_size_overflow(stmt, size_overflow_type, new_rhs1, rhs1, BEFORE_STMT); -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ } -+ -+ if (!gimple_assign_cast_p(stmt)) -+ return dup_assign(visited, stmt, lhs, new_rhs1, NULL_TREE, NULL_TREE); -+ -+ return create_cast_overflow_check(visited, new_rhs1, stmt); -+} -+ -+static tree handle_unary_ops(struct visited *visited, gassign *stmt) -+{ -+ tree rhs1, lhs = gimple_assign_lhs(stmt); -+ gimple def_stmt = get_def_stmt(lhs); -+ -+ gcc_assert(gimple_code(def_stmt) != GIMPLE_NOP); -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ -+ if (is_gimple_constant(rhs1)) -+ return create_assign(visited, def_stmt, lhs, AFTER_STMT); -+ -+ switch (TREE_CODE(rhs1)) { -+ case SSA_NAME: { -+ tree ret = handle_unary_rhs(visited, as_a_gassign(def_stmt)); -+ -+ if (gimple_assign_cast_p(stmt)) -+ unsigned_signed_cast_intentional_overflow(visited, stmt); -+ return ret; -+ } -+ case ARRAY_REF: -+ case BIT_FIELD_REF: -+ case ADDR_EXPR: -+ case COMPONENT_REF: -+ case INDIRECT_REF: -+#if BUILDING_GCC_VERSION >= 4006 -+ case MEM_REF: -+#endif -+ case TARGET_MEM_REF: -+ case VIEW_CONVERT_EXPR: -+ return create_assign(visited, def_stmt, lhs, AFTER_STMT); -+ case PARM_DECL: -+ case VAR_DECL: -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ default: -+ debug_gimple_stmt(def_stmt); -+ debug_tree(rhs1); -+ gcc_unreachable(); -+ } -+} -+ -+static void __unused print_the_code_insertions(const_gimple stmt) -+{ -+ location_t loc = gimple_location(stmt); -+ -+ inform(loc, "Integer size_overflow check applied here."); -+} -+ -+static bool is_from_cast(const_tree node) -+{ -+ gimple def_stmt = get_def_stmt(node); -+ -+ if (!def_stmt) -+ return false; -+ -+ if (gimple_assign_cast_p(def_stmt)) -+ return true; -+ -+ return false; -+} -+ -+// Skip duplication when there is a minus expr and the type of rhs1 or rhs2 is a pointer_type. -+static bool is_ptr_diff(gassign *stmt) -+{ -+ const_tree rhs1, rhs2, ptr1_rhs, ptr2_rhs; -+ -+ if (gimple_assign_rhs_code(stmt) != MINUS_EXPR) -+ return false; -+ -+ rhs1 = gimple_assign_rhs1(stmt); -+ if (!is_from_cast(rhs1)) -+ return false; -+ -+ rhs2 = gimple_assign_rhs2(stmt); -+ if (!is_from_cast(rhs2)) -+ return false; -+ -+ ptr1_rhs = gimple_assign_rhs1(get_def_stmt(rhs1)); -+ ptr2_rhs = gimple_assign_rhs1(get_def_stmt(rhs2)); -+ -+ if (TREE_CODE(TREE_TYPE(ptr1_rhs)) != POINTER_TYPE && TREE_CODE(TREE_TYPE(ptr2_rhs)) != POINTER_TYPE) -+ return false; -+ -+ return true; -+} -+ -+static tree handle_comparison_code_class(struct visited *visited, gassign *stmt, tree new_rhs1, tree new_rhs2) -+{ -+ tree rhs1, rhs2, lhs; -+ -+ rhs1 = gimple_assign_rhs1(stmt); -+ if (!is_gimple_constant(rhs1) && new_rhs1 != NULL_TREE) -+ check_size_overflow(stmt, TREE_TYPE(new_rhs1), new_rhs1, rhs1, BEFORE_STMT); -+ -+ lhs = gimple_assign_lhs(stmt); -+ if (new_rhs2 == NULL_TREE) -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+ -+ rhs2 = gimple_assign_rhs2(stmt); -+ if (!is_gimple_constant(rhs2)) -+ check_size_overflow(stmt, TREE_TYPE(new_rhs2), new_rhs2, rhs2, BEFORE_STMT); -+ return create_assign(visited, stmt, lhs, AFTER_STMT); -+} -+ -+static tree handle_binary_ops(struct visited *visited, tree lhs) -+{ -+ enum intentional_overflow_type res; -+ tree rhs1, rhs2, new_lhs; -+ gassign *def_stmt = as_a_gassign(get_def_stmt(lhs)); -+ tree new_rhs1 = NULL_TREE; -+ tree new_rhs2 = NULL_TREE; -+ -+ if (is_ptr_diff(def_stmt)) -+ return create_assign(visited, def_stmt, lhs, AFTER_STMT); -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ -+ /* no DImode/TImode division in the 32/64 bit kernel */ -+ switch (gimple_assign_rhs_code(def_stmt)) { -+ case RDIV_EXPR: -+ case TRUNC_DIV_EXPR: -+ case CEIL_DIV_EXPR: -+ case FLOOR_DIV_EXPR: -+ case ROUND_DIV_EXPR: -+ case TRUNC_MOD_EXPR: -+ case CEIL_MOD_EXPR: -+ case FLOOR_MOD_EXPR: -+ case ROUND_MOD_EXPR: -+ case EXACT_DIV_EXPR: -+ case POINTER_PLUS_EXPR: -+ case BIT_AND_EXPR: -+ return create_assign(visited, def_stmt, lhs, AFTER_STMT); -+ default: -+ break; -+ } -+ -+ new_lhs = handle_integer_truncation(visited, lhs); -+ if (new_lhs != NULL_TREE) -+ return new_lhs; -+ -+ if (TREE_CODE(rhs1) == SSA_NAME) -+ new_rhs1 = expand(visited, rhs1); -+ if (TREE_CODE(rhs2) == SSA_NAME) -+ new_rhs2 = expand(visited, rhs2); -+ -+ res = add_mul_intentional_overflow(def_stmt); -+ if (res != NO_INTENTIONAL_OVERFLOW) { -+ new_lhs = dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE); -+ insert_cast_expr(visited, as_a_gassign(get_def_stmt(new_lhs)), res); -+ return new_lhs; -+ } -+ -+ if (skip_expr_on_double_type(def_stmt)) { -+ new_lhs = dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE); -+ insert_cast_expr(visited, as_a_gassign(get_def_stmt(new_lhs)), NO_INTENTIONAL_OVERFLOW); -+ return new_lhs; -+ } -+ -+ if (is_a_neg_overflow(def_stmt, rhs2)) -+ return handle_intentional_overflow(visited, true, def_stmt, new_rhs1, NULL_TREE); -+ if (is_a_neg_overflow(def_stmt, rhs1)) -+ return handle_intentional_overflow(visited, true, def_stmt, new_rhs2, new_rhs2); -+ -+ -+ if (is_a_constant_overflow(def_stmt, rhs2)) -+ return handle_intentional_overflow(visited, !is_a_cast_and_const_overflow(rhs1), def_stmt, new_rhs1, NULL_TREE); -+ if (is_a_constant_overflow(def_stmt, rhs1)) -+ return handle_intentional_overflow(visited, !is_a_cast_and_const_overflow(rhs2), def_stmt, new_rhs2, new_rhs2); -+ -+ // the const is between 0 and (signed) MAX -+ if (is_gimple_constant(rhs1)) -+ new_rhs1 = create_assign(visited, def_stmt, rhs1, BEFORE_STMT); -+ if (is_gimple_constant(rhs2)) -+ new_rhs2 = create_assign(visited, def_stmt, rhs2, BEFORE_STMT); -+ -+ if (TREE_CODE_CLASS(gimple_assign_rhs_code(def_stmt)) == tcc_comparison) -+ return handle_comparison_code_class(visited, def_stmt, new_rhs1, new_rhs2); -+ -+ return dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, NULL_TREE); -+} -+ -+#if BUILDING_GCC_VERSION >= 4006 -+static tree get_new_rhs(struct visited *visited, tree size_overflow_type, tree rhs) -+{ -+ if (is_gimple_constant(rhs)) -+ return cast_a_tree(size_overflow_type, rhs); -+ if (TREE_CODE(rhs) != SSA_NAME) -+ return NULL_TREE; -+ return expand(visited, rhs); -+} -+ -+static tree handle_ternary_ops(struct visited *visited, tree lhs) -+{ -+ tree rhs1, rhs2, rhs3, new_rhs1, new_rhs2, new_rhs3, size_overflow_type; -+ gassign *def_stmt = as_a_gassign(get_def_stmt(lhs)); -+ -+ size_overflow_type = get_size_overflow_type(visited, def_stmt, lhs); -+ -+ rhs1 = gimple_assign_rhs1(def_stmt); -+ rhs2 = gimple_assign_rhs2(def_stmt); -+ rhs3 = gimple_assign_rhs3(def_stmt); -+ new_rhs1 = get_new_rhs(visited, size_overflow_type, rhs1); -+ new_rhs2 = get_new_rhs(visited, size_overflow_type, rhs2); -+ new_rhs3 = get_new_rhs(visited, size_overflow_type, rhs3); -+ -+ return dup_assign(visited, def_stmt, lhs, new_rhs1, new_rhs2, new_rhs3); -+} -+#endif -+ -+static tree get_my_stmt_lhs(struct visited *visited, gimple stmt) -+{ -+ gimple_stmt_iterator gsi; -+ gimple next_stmt = NULL; -+ -+ gsi = gsi_for_stmt(stmt); -+ -+ do { -+ gsi_next(&gsi); -+ next_stmt = gsi_stmt(gsi); -+ -+ if (gimple_code(stmt) == GIMPLE_PHI && !pointer_set_contains(visited->my_stmts, next_stmt)) -+ return NULL_TREE; -+ -+ if (pointer_set_contains(visited->my_stmts, next_stmt) && !pointer_set_contains(visited->skip_expr_casts, next_stmt)) -+ break; -+ -+ gcc_assert(pointer_set_contains(visited->my_stmts, next_stmt)); -+ } while (!gsi_end_p(gsi)); -+ -+ gcc_assert(next_stmt); -+ return get_lhs(next_stmt); -+} -+ -+static tree expand_visited(struct visited *visited, gimple def_stmt) -+{ -+ gimple_stmt_iterator gsi; -+ enum gimple_code code = gimple_code(def_stmt); -+ -+ if (code == GIMPLE_ASM) -+ return NULL_TREE; -+ -+ gsi = gsi_for_stmt(def_stmt); -+ gsi_next(&gsi); -+ -+ if (gimple_code(def_stmt) == GIMPLE_PHI && gsi_end_p(gsi)) -+ return NULL_TREE; -+ return get_my_stmt_lhs(visited, def_stmt); -+} -+ -+tree expand(struct visited *visited, tree lhs) -+{ -+ gimple def_stmt; -+ -+ def_stmt = get_def_stmt(lhs); -+ -+ if (!def_stmt || gimple_code(def_stmt) == GIMPLE_NOP) -+ return NULL_TREE; -+ -+ if (pointer_set_contains(visited->my_stmts, def_stmt)) -+ return lhs; -+ -+ if (pointer_set_contains(visited->stmts, def_stmt)) -+ return expand_visited(visited, def_stmt); -+ -+ if (is_gimple_constant(lhs)) -+ return NULL_TREE; -+ if (skip_types(lhs)) -+ return NULL_TREE; -+ -+ switch (gimple_code(def_stmt)) { -+ case GIMPLE_PHI: -+ return handle_phi(visited, lhs); -+ case GIMPLE_CALL: -+ case GIMPLE_ASM: -+ if (is_size_overflow_asm(def_stmt)) -+ return expand(visited, get_size_overflow_asm_input(as_a_gasm(def_stmt))); -+ return create_assign(visited, def_stmt, lhs, AFTER_STMT); -+ case GIMPLE_ASSIGN: -+ switch (gimple_num_ops(def_stmt)) { -+ case 2: -+ return handle_unary_ops(visited, as_a_gassign(def_stmt)); -+ case 3: -+ return handle_binary_ops(visited, lhs); -+#if BUILDING_GCC_VERSION >= 4006 -+ case 4: -+ return handle_ternary_ops(visited, lhs); -+#endif -+ } -+ default: -+ debug_gimple_stmt(def_stmt); -+ error("%s: unknown gimple code", __func__); -+ gcc_unreachable(); -+ } -+} -diff --git a/tools/gcc/stackleak_plugin.c b/tools/gcc/stackleak_plugin.c -new file mode 100644 -index 0000000..155e2c5 ---- /dev/null -+++ b/tools/gcc/stackleak_plugin.c -@@ -0,0 +1,436 @@ -+/* -+ * Copyright 2011-2015 by the PaX Team pageexec@freemail.hu -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to help implement various PaX features -+ * -+ * - track lowest stack pointer -+ * -+ * TODO: -+ * - initialize all local variables -+ * -+ * BUGS: -+ * - none known -+ */ -+ -+#include "gcc-common.h" -+ -+int plugin_is_GPL_compatible; -+ -+static int track_frame_size = -1; -+static const char track_function[] = "pax_track_stack"; -+static const char check_function[] = "pax_check_alloca"; -+static GTY(()) tree track_function_decl; -+static GTY(()) tree check_function_decl; -+static bool init_locals; -+ -+static struct plugin_info stackleak_plugin_info = { -+ .version = "201504282245", -+ .help = "track-lowest-sp=nn\ttrack sp in functions whose frame size is at least nn bytes\n" -+// "initialize-locals\t\tforcibly initialize all stack frames\n" -+}; -+ -+static void stackleak_check_alloca(gimple_stmt_iterator *gsi) -+{ -+ gimple stmt; -+ gcall *check_alloca; -+ tree alloca_size; -+ cgraph_node_ptr node; -+ int frequency; -+ basic_block bb; -+ -+ // insert call to void pax_check_alloca(unsigned long size) -+ alloca_size = gimple_call_arg(gsi_stmt(*gsi), 0); -+ stmt = gimple_build_call(check_function_decl, 1, alloca_size); -+ check_alloca = as_a_gcall(stmt); -+ gsi_insert_before(gsi, check_alloca, GSI_SAME_STMT); -+ -+ // update the cgraph -+ bb = gimple_bb(check_alloca); -+ node = cgraph_get_create_node(check_function_decl); -+ gcc_assert(node); -+ frequency = compute_call_stmt_bb_frequency(current_function_decl, bb); -+ cgraph_create_edge(cgraph_get_node(current_function_decl), node, check_alloca, bb->count, frequency, bb->loop_depth); -+} -+ -+static void stackleak_add_instrumentation(gimple_stmt_iterator *gsi) -+{ -+ gimple stmt; -+ gcall *track_stack; -+ cgraph_node_ptr node; -+ int frequency; -+ basic_block bb; -+ -+ // insert call to void pax_track_stack(void) -+ stmt = gimple_build_call(track_function_decl, 0); -+ track_stack = as_a_gcall(stmt); -+ gsi_insert_after(gsi, track_stack, GSI_CONTINUE_LINKING); -+ -+ // update the cgraph -+ bb = gimple_bb(track_stack); -+ node = cgraph_get_create_node(track_function_decl); -+ gcc_assert(node); -+ frequency = compute_call_stmt_bb_frequency(current_function_decl, bb); -+ cgraph_create_edge(cgraph_get_node(current_function_decl), node, track_stack, bb->count, frequency, bb->loop_depth); -+} -+ -+static bool is_alloca(gimple stmt) -+{ -+ if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA)) -+ return true; -+ -+#if BUILDING_GCC_VERSION >= 4007 -+ if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA_WITH_ALIGN)) -+ return true; -+#endif -+ -+ return false; -+} -+ -+static unsigned int execute_stackleak_tree_instrument(void) -+{ -+ basic_block bb, entry_bb; -+ bool prologue_instrumented = false, is_leaf = true; -+ -+ entry_bb = ENTRY_BLOCK_PTR_FOR_FN(cfun)->next_bb; -+ -+ // 1. loop through BBs and GIMPLE statements -+ FOR_EACH_BB_FN(bb, cfun) { -+ gimple_stmt_iterator gsi; -+ -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gimple stmt; -+ -+ stmt = gsi_stmt(gsi); -+ -+ if (is_gimple_call(stmt)) -+ is_leaf = false; -+ -+ // gimple match: align 8 built-in BUILT_IN_NORMAL:BUILT_IN_ALLOCA attributes <tree_list 0xb7576450> -+ if (!is_alloca(stmt)) -+ continue; -+ -+ // 2. insert stack overflow check before each __builtin_alloca call -+ stackleak_check_alloca(&gsi); -+ -+ // 3. insert track call after each __builtin_alloca call -+ stackleak_add_instrumentation(&gsi); -+ if (bb == entry_bb) -+ prologue_instrumented = true; -+ } -+ } -+ -+ // special cases for some bad linux code: taking the address of static inline functions will materialize them -+ // but we mustn't instrument some of them as the resulting stack alignment required by the function call ABI -+ // will break other assumptions regarding the expected (but not otherwise enforced) register clobbering ABI. -+ // case in point: native_save_fl on amd64 when optimized for size clobbers rdx if it were instrumented here. -+ if (is_leaf && !TREE_PUBLIC(current_function_decl) && DECL_DECLARED_INLINE_P(current_function_decl)) -+ return 0; -+ if (is_leaf && !strncmp(IDENTIFIER_POINTER(DECL_NAME(current_function_decl)), "_paravirt_", 10)) -+ return 0; -+ -+ // 4. insert track call at the beginning -+ if (!prologue_instrumented) { -+ gimple_stmt_iterator gsi; -+ -+ bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest; -+ if (dom_info_available_p(CDI_DOMINATORS)) -+ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR_FOR_FN(cfun)); -+ gsi = gsi_start_bb(bb); -+ stackleak_add_instrumentation(&gsi); -+ } -+ -+ return 0; -+} -+ -+static unsigned int execute_stackleak_final(void) -+{ -+ rtx_insn *insn, *next; -+ -+ if (cfun->calls_alloca) -+ return 0; -+ -+ // keep calls only if function frame is big enough -+ if (get_frame_size() >= track_frame_size) -+ return 0; -+ -+ // 1. find pax_track_stack calls -+ for (insn = get_insns(); insn; insn = next) { -+ // rtl match: (call_insn 8 7 9 3 (call (mem (symbol_ref ("pax_track_stack") [flags 0x41] <function_decl 0xb7470e80 pax_track_stack>) [0 S1 A8]) (4)) -1 (nil) (nil)) -+ rtx body; -+ -+ next = NEXT_INSN(insn); -+ if (!CALL_P(insn)) -+ continue; -+ body = PATTERN(insn); -+ if (GET_CODE(body) != CALL) -+ continue; -+ body = XEXP(body, 0); -+ if (GET_CODE(body) != MEM) -+ continue; -+ body = XEXP(body, 0); -+ if (GET_CODE(body) != SYMBOL_REF) -+ continue; -+// if (strcmp(XSTR(body, 0), track_function)) -+ if (SYMBOL_REF_DECL(body) != track_function_decl) -+ continue; -+// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size); -+ // 2. delete call -+ delete_insn_and_edges(insn); -+#if BUILDING_GCC_VERSION >= 4007 -+ if (GET_CODE(next) == NOTE && NOTE_KIND(next) == NOTE_INSN_CALL_ARG_LOCATION) { -+ insn = next; -+ next = NEXT_INSN(insn); -+ delete_insn_and_edges(insn); -+ } -+#endif -+ } -+ -+// print_simple_rtl(stderr, get_insns()); -+// print_rtl(stderr, get_insns()); -+// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size); -+ -+ return 0; -+} -+ -+static bool gate_stackleak_track_stack(void) -+{ -+ tree section; -+ -+ if (ix86_cmodel != CM_KERNEL) -+ return false; -+ -+ section = lookup_attribute("section", DECL_ATTRIBUTES(current_function_decl)); -+ if (section && TREE_VALUE(section)) { -+ section = TREE_VALUE(TREE_VALUE(section)); -+ -+ if (!strncmp(TREE_STRING_POINTER(section), ".init.text", 10)) -+ return false; -+ if (!strncmp(TREE_STRING_POINTER(section), ".devinit.text", 13)) -+ return false; -+ if (!strncmp(TREE_STRING_POINTER(section), ".cpuinit.text", 13)) -+ return false; -+ if (!strncmp(TREE_STRING_POINTER(section), ".meminit.text", 13)) -+ return false; -+ } -+ -+ return track_frame_size >= 0; -+} -+ -+static void stackleak_start_unit(void *gcc_data, void *user_data) -+{ -+ tree fntype; -+ -+ // void pax_track_stack(void) -+ fntype = build_function_type_list(void_type_node, NULL_TREE); -+ track_function_decl = build_fn_decl(track_function, fntype); -+ DECL_ASSEMBLER_NAME(track_function_decl); // for LTO -+ TREE_PUBLIC(track_function_decl) = 1; -+ TREE_USED(track_function_decl) = 1; -+ DECL_EXTERNAL(track_function_decl) = 1; -+ DECL_ARTIFICIAL(track_function_decl) = 1; -+ DECL_PRESERVE_P(track_function_decl) = 1; -+ -+ // void pax_check_alloca(unsigned long) -+ fntype = build_function_type_list(void_type_node, long_unsigned_type_node, NULL_TREE); -+ check_function_decl = build_fn_decl(check_function, fntype); -+ DECL_ASSEMBLER_NAME(check_function_decl); // for LTO -+ TREE_PUBLIC(check_function_decl) = 1; -+ TREE_USED(check_function_decl) = 1; -+ DECL_EXTERNAL(check_function_decl) = 1; -+ DECL_ARTIFICIAL(check_function_decl) = 1; -+ DECL_PRESERVE_P(check_function_decl) = 1; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data stackleak_tree_instrument_pass_data = { -+#else -+static struct gimple_opt_pass stackleak_tree_instrument_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "stackleak_tree_instrument", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = gate_stackleak_track_stack, -+ .execute = execute_stackleak_tree_instrument, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = PROP_gimple_leh | PROP_cfg, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, //TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts, -+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_update_ssa | TODO_rebuild_cgraph_edges -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+static const struct pass_data stackleak_final_rtl_opt_pass_data = { -+#else -+static struct rtl_opt_pass stackleak_final_rtl_opt_pass = { -+ .pass = { -+#endif -+ .type = RTL_PASS, -+ .name = "stackleak_final", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = true, -+ .has_execute = true, -+#else -+ .gate = gate_stackleak_track_stack, -+ .execute = execute_stackleak_final, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_dump_func -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class stackleak_tree_instrument_pass : public gimple_opt_pass { -+public: -+ stackleak_tree_instrument_pass() : gimple_opt_pass(stackleak_tree_instrument_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return gate_stackleak_track_stack(); } -+ virtual unsigned int execute(function *) { return execute_stackleak_tree_instrument(); } -+#else -+ bool gate() { return gate_stackleak_track_stack(); } -+ unsigned int execute() { return execute_stackleak_tree_instrument(); } -+#endif -+}; -+ -+class stackleak_final_rtl_opt_pass : public rtl_opt_pass { -+public: -+ stackleak_final_rtl_opt_pass() : rtl_opt_pass(stackleak_final_rtl_opt_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual bool gate(function *) { return gate_stackleak_track_stack(); } -+ virtual unsigned int execute(function *) { return execute_stackleak_final(); } -+#else -+ bool gate() { return gate_stackleak_track_stack(); } -+ unsigned int execute() { return execute_stackleak_final(); } -+#endif -+}; -+} -+ -+static opt_pass *make_stackleak_tree_instrument_pass(void) -+{ -+ return new stackleak_tree_instrument_pass(); -+} -+ -+static opt_pass *make_stackleak_final_rtl_opt_pass(void) -+{ -+ return new stackleak_final_rtl_opt_pass(); -+} -+#else -+static struct opt_pass *make_stackleak_tree_instrument_pass(void) -+{ -+ return &stackleak_tree_instrument_pass.pass; -+} -+ -+static struct opt_pass *make_stackleak_final_rtl_opt_pass(void) -+{ -+ return &stackleak_final_rtl_opt_pass.pass; -+} -+#endif -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ int i; -+ struct register_pass_info stackleak_tree_instrument_pass_info; -+ struct register_pass_info stackleak_final_pass_info; -+ static const struct ggc_root_tab gt_ggc_r_gt_stackleak[] = { -+ { -+ .base = &track_function_decl, -+ .nelt = 1, -+ .stride = sizeof(track_function_decl), -+ .cb = &gt_ggc_mx_tree_node, -+ .pchw = &gt_pch_nx_tree_node -+ }, -+ { -+ .base = &check_function_decl, -+ .nelt = 1, -+ .stride = sizeof(check_function_decl), -+ .cb = &gt_ggc_mx_tree_node, -+ .pchw = &gt_pch_nx_tree_node -+ }, -+ LAST_GGC_ROOT_TAB -+ }; -+ -+ stackleak_tree_instrument_pass_info.pass = make_stackleak_tree_instrument_pass(); -+// stackleak_tree_instrument_pass_info.reference_pass_name = "tree_profile"; -+ stackleak_tree_instrument_pass_info.reference_pass_name = "optimized"; -+ stackleak_tree_instrument_pass_info.ref_pass_instance_number = 1; -+ stackleak_tree_instrument_pass_info.pos_op = PASS_POS_INSERT_BEFORE; -+ -+ stackleak_final_pass_info.pass = make_stackleak_final_rtl_opt_pass(); -+ stackleak_final_pass_info.reference_pass_name = "final"; -+ stackleak_final_pass_info.ref_pass_instance_number = 1; -+ stackleak_final_pass_info.pos_op = PASS_POS_INSERT_BEFORE; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &stackleak_plugin_info); -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "track-lowest-sp")) { -+ if (!argv[i].value) { -+ error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ continue; -+ } -+ track_frame_size = atoi(argv[i].value); -+ if (argv[i].value[0] < '0' || argv[i].value[0] > '9' || track_frame_size < 0) -+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value); -+ continue; -+ } -+ if (!strcmp(argv[i].key, "initialize-locals")) { -+ if (argv[i].value) { -+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value); -+ continue; -+ } -+ init_locals = true; -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ register_callback(plugin_name, PLUGIN_START_UNIT, &stackleak_start_unit, NULL); -+ register_callback(plugin_name, PLUGIN_REGISTER_GGC_ROOTS, NULL, (void *)&gt_ggc_r_gt_stackleak); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &stackleak_tree_instrument_pass_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &stackleak_final_pass_info); -+ -+ return 0; -+} -diff --git a/tools/gcc/structleak_plugin.c b/tools/gcc/structleak_plugin.c -new file mode 100644 -index 0000000..e9dbd4b ---- /dev/null -+++ b/tools/gcc/structleak_plugin.c -@@ -0,0 +1,287 @@ -+/* -+ * Copyright 2013-2015 by PaX Team pageexec@freemail.hu -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to forcibly initialize certain local variables that could -+ * otherwise leak kernel stack to userland if they aren't properly initialized -+ * by later code -+ * -+ * Homepage: http://pax.grsecurity.net/ -+ * -+ * Usage: -+ * $ # for 4.5/4.6/C based 4.7 -+ * $ gcc -I`gcc -print-file-name=plugin`/include -I`gcc -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o structleak_plugin.so structleak_plugin.c -+ * $ # for C++ based 4.7/4.8+ -+ * $ g++ -I`g++ -print-file-name=plugin`/include -I`g++ -print-file-name=plugin`/include/c-family -fPIC -shared -O2 -o structleak_plugin.so structleak_plugin.c -+ * $ gcc -fplugin=./structleak_plugin.so test.c -O2 -+ * -+ * TODO: eliminate redundant initializers -+ * increase type coverage -+ */ -+ -+#include "gcc-common.h" -+ -+// unused C type flag in all versions 4.5-5.0 -+#define TYPE_USERSPACE(TYPE) TYPE_LANG_FLAG_5(TYPE) -+ -+int plugin_is_GPL_compatible; -+ -+static struct plugin_info structleak_plugin_info = { -+ .version = "201401260140", -+ .help = "disable\tdo not activate plugin\n", -+}; -+ -+static tree handle_user_attribute(tree *node, tree name, tree args, int flags, bool *no_add_attrs) -+{ -+ *no_add_attrs = true; -+ -+ // check for types? for now accept everything linux has to offer -+ if (TREE_CODE(*node) != FIELD_DECL) -+ return NULL_TREE; -+ -+ *no_add_attrs = false; -+ return NULL_TREE; -+} -+ -+static struct attribute_spec user_attr = { -+ .name = "user", -+ .min_length = 0, -+ .max_length = 0, -+ .decl_required = false, -+ .type_required = false, -+ .function_type_required = false, -+ .handler = handle_user_attribute, -+#if BUILDING_GCC_VERSION >= 4007 -+ .affects_type_identity = true -+#endif -+}; -+ -+static void register_attributes(void *event_data, void *data) -+{ -+ register_attribute(&user_attr); -+// register_attribute(&force_attr); -+} -+ -+static tree get_field_type(tree field) -+{ -+ return strip_array_types(TREE_TYPE(field)); -+} -+ -+static bool is_userspace_type(tree type) -+{ -+ tree field; -+ -+ for (field = TYPE_FIELDS(type); field; field = TREE_CHAIN(field)) { -+ tree fieldtype = get_field_type(field); -+ enum tree_code code = TREE_CODE(fieldtype); -+ -+ if (code == RECORD_TYPE || code == UNION_TYPE) -+ if (is_userspace_type(fieldtype)) -+ return true; -+ -+ if (lookup_attribute("user", DECL_ATTRIBUTES(field))) -+ return true; -+ } -+ return false; -+} -+ -+static void finish_type(void *event_data, void *data) -+{ -+ tree type = (tree)event_data; -+ -+ if (type == NULL_TREE || type == error_mark_node) -+ return; -+ -+#if BUILDING_GCC_VERSION >= 5000 -+ if (TREE_CODE(type) == ENUMERAL_TYPE) -+ return; -+#endif -+ -+ if (TYPE_USERSPACE(type)) -+ return; -+ -+ if (is_userspace_type(type)) -+ TYPE_USERSPACE(type) = 1; -+} -+ -+static void initialize(tree var) -+{ -+ basic_block bb; -+ gimple_stmt_iterator gsi; -+ tree initializer; -+ gimple init_stmt; -+ -+ // this is the original entry bb before the forced split -+ // TODO: check further BBs in case more splits occured before us -+ bb = ENTRY_BLOCK_PTR_FOR_FN(cfun)->next_bb->next_bb; -+ -+ // first check if the variable is already initialized, warn otherwise -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ gimple stmt = gsi_stmt(gsi); -+ tree rhs1; -+ -+ // we're looking for an assignment of a single rhs... -+ if (!gimple_assign_single_p(stmt)) -+ continue; -+ rhs1 = gimple_assign_rhs1(stmt); -+#if BUILDING_GCC_VERSION >= 4007 -+ // ... of a non-clobbering expression... -+ if (TREE_CLOBBER_P(rhs1)) -+ continue; -+#endif -+ // ... to our variable... -+ if (gimple_get_lhs(stmt) != var) -+ continue; -+ // if it's an initializer then we're good -+ if (TREE_CODE(rhs1) == CONSTRUCTOR) -+ return; -+ } -+ -+ // these aren't the 0days you're looking for -+// inform(DECL_SOURCE_LOCATION(var), "userspace variable will be forcibly initialized"); -+ -+ // build the initializer expression -+ initializer = build_constructor(TREE_TYPE(var), NULL); -+ -+ // build the initializer stmt -+ init_stmt = gimple_build_assign(var, initializer); -+ gsi = gsi_start_bb(ENTRY_BLOCK_PTR_FOR_FN(cfun)->next_bb); -+ gsi_insert_before(&gsi, init_stmt, GSI_NEW_STMT); -+ update_stmt(init_stmt); -+} -+ -+static unsigned int handle_function(void) -+{ -+ basic_block bb; -+ unsigned int ret = 0; -+ tree var; -+ unsigned int i; -+ -+ // split the first bb where we can put the forced initializers -+ bb = split_block_after_labels(ENTRY_BLOCK_PTR_FOR_FN(cfun))->dest; -+ if (dom_info_available_p(CDI_DOMINATORS)) -+ set_immediate_dominator(CDI_DOMINATORS, bb, ENTRY_BLOCK_PTR_FOR_FN(cfun)); -+ -+ // enumarate all local variables and forcibly initialize our targets -+ FOR_EACH_LOCAL_DECL(cfun, i, var) { -+ tree type = TREE_TYPE(var); -+ -+ gcc_assert(DECL_P(var)); -+ if (!auto_var_in_fn_p(var, current_function_decl)) -+ continue; -+ -+ // only care about structure types -+ if (TREE_CODE(type) != RECORD_TYPE && TREE_CODE(type) != UNION_TYPE) -+ continue; -+ -+ // if the type is of interest, examine the variable -+ if (TYPE_USERSPACE(type)) -+ initialize(var); -+ } -+ -+ return ret; -+} -+ -+#if BUILDING_GCC_VERSION >= 4009 -+namespace { -+static const struct pass_data structleak_pass_data = { -+#else -+static struct gimple_opt_pass structleak_pass = { -+ .pass = { -+#endif -+ .type = GIMPLE_PASS, -+ .name = "structleak", -+#if BUILDING_GCC_VERSION >= 4008 -+ .optinfo_flags = OPTGROUP_NONE, -+#endif -+#if BUILDING_GCC_VERSION >= 5000 -+#elif BUILDING_GCC_VERSION == 4009 -+ .has_gate = false, -+ .has_execute = true, -+#else -+ .gate = NULL, -+ .execute = handle_function, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+#endif -+ .tv_id = TV_NONE, -+ .properties_required = PROP_cfg, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = TODO_verify_ssa | TODO_verify_stmts | TODO_dump_func | TODO_remove_unused_locals | TODO_update_ssa | TODO_ggc_collect | TODO_verify_flow -+#if BUILDING_GCC_VERSION < 4009 -+ } -+#endif -+}; -+ -+#if BUILDING_GCC_VERSION >= 4009 -+class structleak_pass : public gimple_opt_pass { -+public: -+ structleak_pass() : gimple_opt_pass(structleak_pass_data, g) {} -+#if BUILDING_GCC_VERSION >= 5000 -+ virtual unsigned int execute(function *) { return handle_function(); } -+#else -+ unsigned int execute() { return handle_function(); } -+#endif -+}; -+} -+ -+static opt_pass *make_structleak_pass(void) -+{ -+ return new structleak_pass(); -+} -+#else -+static struct opt_pass *make_structleak_pass(void) -+{ -+ return &structleak_pass.pass; -+} -+#endif -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ int i; -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ bool enable = true; -+ struct register_pass_info structleak_pass_info; -+ -+ structleak_pass_info.pass = make_structleak_pass(); -+ structleak_pass_info.reference_pass_name = "ssa"; -+ structleak_pass_info.ref_pass_instance_number = 1; -+ structleak_pass_info.pos_op = PASS_POS_INSERT_AFTER; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ if (strncmp(lang_hooks.name, "GNU C", 5) && !strncmp(lang_hooks.name, "GNU C+", 6)) { -+ inform(UNKNOWN_LOCATION, G_("%s supports C only"), plugin_name); -+ enable = false; -+ } -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "disable")) { -+ enable = false; -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &structleak_plugin_info); -+ if (enable) { -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &structleak_pass_info); -+ register_callback(plugin_name, PLUGIN_FINISH_TYPE, finish_type, NULL); -+ } -+ register_callback(plugin_name, PLUGIN_ATTRIBUTES, register_attributes, NULL); -+ -+ return 0; -+} -diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h -index 88461f0..6fb70a0 100644 ---- a/tools/include/linux/compiler.h -+++ b/tools/include/linux/compiler.h -@@ -35,6 +35,14 @@ - # define unlikely(x) __builtin_expect(!!(x), 0) - #endif - -+#ifndef __size_overflow -+# define __size_overflow(...) -+#endif -+ -+#ifndef __intentional_overflow -+# define __intentional_overflow(...) -+#endif -+ - #define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) - - #endif /* _TOOLS_LINUX_COMPILER_H */ -diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile -index 8bd9606..abacd96 100644 ---- a/tools/lib/api/Makefile -+++ b/tools/lib/api/Makefile -@@ -16,7 +16,7 @@ MAKEFLAGS += --no-print-directory - LIBFILE = $(OUTPUT)libapi.a - - CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) --CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC -+CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -fPIC - CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 - - RM = rm -f -diff --git a/tools/perf/util/include/asm/alternative-asm.h b/tools/perf/util/include/asm/alternative-asm.h -index 3a3a0f1..6cf679d 100644 ---- a/tools/perf/util/include/asm/alternative-asm.h -+++ b/tools/perf/util/include/asm/alternative-asm.h -@@ -6,4 +6,7 @@ - #define altinstruction_entry # - #define ALTERNATIVE_2 # - -+ .macro pax_force_retaddr rip=0, reload=0 -+ .endm -+ - #endif -diff --git a/tools/virtio/linux/uaccess.h b/tools/virtio/linux/uaccess.h -index 0a578fe..b81f62d 100644 ---- a/tools/virtio/linux/uaccess.h -+++ b/tools/virtio/linux/uaccess.h -@@ -13,7 +13,7 @@ static inline void __chk_user_ptr(const volatile void *p, size_t size) - ({ \ - typeof(ptr) __pu_ptr = (ptr); \ - __chk_user_ptr(__pu_ptr, sizeof(*__pu_ptr)); \ -- ACCESS_ONCE(*(__pu_ptr)) = x; \ -+ ACCESS_ONCE_RW(*(__pu_ptr)) = x; \ - 0; \ - }) - -diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c -index 9097741..2472109 100644 ---- a/virt/kvm/kvm_main.c -+++ b/virt/kvm/kvm_main.c -@@ -81,12 +81,17 @@ LIST_HEAD(vm_list); - - static cpumask_var_t cpus_hardware_enabled; - static int kvm_usage_count; --static atomic_t hardware_enable_failed; -+static atomic_unchecked_t hardware_enable_failed; - - struct kmem_cache *kvm_vcpu_cache; - EXPORT_SYMBOL_GPL(kvm_vcpu_cache); - --static __read_mostly struct preempt_ops kvm_preempt_ops; -+static void kvm_sched_in(struct preempt_notifier *pn, int cpu); -+static void kvm_sched_out(struct preempt_notifier *pn, struct task_struct *next); -+static struct preempt_ops kvm_preempt_ops = { -+ .sched_in = kvm_sched_in, -+ .sched_out = kvm_sched_out, -+}; - - struct dentry *kvm_debugfs_dir; - EXPORT_SYMBOL_GPL(kvm_debugfs_dir); -@@ -784,7 +789,7 @@ int __kvm_set_memory_region(struct kvm *kvm, - /* We can read the guest memory with __xxx_user() later on. */ - if ((mem->slot < KVM_USER_MEM_SLOTS) && - ((mem->userspace_addr & (PAGE_SIZE - 1)) || -- !access_ok(VERIFY_WRITE, -+ !access_ok_noprefault(VERIFY_WRITE, - (void __user *)(unsigned long)mem->userspace_addr, - mem->memory_size))) - goto out; -@@ -1714,9 +1719,17 @@ EXPORT_SYMBOL_GPL(kvm_read_guest_cached); - - int kvm_clear_guest_page(struct kvm *kvm, gfn_t gfn, int offset, int len) - { -- const void *zero_page = (const void *) __va(page_to_phys(ZERO_PAGE(0))); -+ int r; -+ unsigned long addr; - -- return kvm_write_guest_page(kvm, gfn, zero_page, offset, len); -+ addr = gfn_to_hva(kvm, gfn); -+ if (kvm_is_error_hva(addr)) -+ return -EFAULT; -+ r = __clear_user((void __user *)addr + offset, len); -+ if (r) -+ return -EFAULT; -+ mark_page_dirty(kvm, gfn); -+ return 0; - } - EXPORT_SYMBOL_GPL(kvm_clear_guest_page); - -@@ -1993,7 +2006,7 @@ static int kvm_vcpu_release(struct inode *inode, struct file *filp) - return 0; - } - --static struct file_operations kvm_vcpu_fops = { -+static file_operations_no_const kvm_vcpu_fops __read_only = { - .release = kvm_vcpu_release, - .unlocked_ioctl = kvm_vcpu_ioctl, - #ifdef CONFIG_KVM_COMPAT -@@ -2713,7 +2726,7 @@ out: - } - #endif - --static struct file_operations kvm_vm_fops = { -+static file_operations_no_const kvm_vm_fops __read_only = { - .release = kvm_vm_release, - .unlocked_ioctl = kvm_vm_ioctl, - #ifdef CONFIG_KVM_COMPAT -@@ -2784,7 +2797,7 @@ out: - return r; - } - --static struct file_operations kvm_chardev_ops = { -+static file_operations_no_const kvm_chardev_ops __read_only = { - .unlocked_ioctl = kvm_dev_ioctl, - .compat_ioctl = kvm_dev_ioctl, - .llseek = noop_llseek, -@@ -2810,7 +2823,7 @@ static void hardware_enable_nolock(void *junk) - - if (r) { - cpumask_clear_cpu(cpu, cpus_hardware_enabled); -- atomic_inc(&hardware_enable_failed); -+ atomic_inc_unchecked(&hardware_enable_failed); - pr_info("kvm: enabling virtualization on CPU%d failed\n", cpu); - } - } -@@ -2865,10 +2878,10 @@ static int hardware_enable_all(void) - - kvm_usage_count++; - if (kvm_usage_count == 1) { -- atomic_set(&hardware_enable_failed, 0); -+ atomic_set_unchecked(&hardware_enable_failed, 0); - on_each_cpu(hardware_enable_nolock, NULL, 1); - -- if (atomic_read(&hardware_enable_failed)) { -+ if (atomic_read_unchecked(&hardware_enable_failed)) { - hardware_disable_all_nolock(); - r = -EBUSY; - } -@@ -3276,7 +3289,7 @@ static void kvm_sched_out(struct preempt_notifier *pn, - kvm_arch_vcpu_put(vcpu); - } - --int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, -+int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align, - struct module *module) - { - int r; -@@ -3323,7 +3336,7 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, - if (!vcpu_align) - vcpu_align = __alignof__(struct kvm_vcpu); - kvm_vcpu_cache = kmem_cache_create("kvm_vcpu", vcpu_size, vcpu_align, -- 0, NULL); -+ SLAB_USERCOPY, NULL); - if (!kvm_vcpu_cache) { - r = -ENOMEM; - goto out_free_3; -@@ -3333,9 +3346,11 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, - if (r) - goto out_free; - -+ pax_open_kernel(); - kvm_chardev_ops.owner = module; - kvm_vm_fops.owner = module; - kvm_vcpu_fops.owner = module; -+ pax_close_kernel(); - - r = misc_register(&kvm_dev); - if (r) { -@@ -3345,9 +3360,6 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, - - register_syscore_ops(&kvm_syscore_ops); - -- kvm_preempt_ops.sched_in = kvm_sched_in; -- kvm_preempt_ops.sched_out = kvm_sched_out; -- - r = kvm_init_debug(); - if (r) { - pr_err("kvm: create debugfs files failed\n"); diff --git a/kernel/scripts/configure b/kernel/scripts/configure index 7047930..68a3c8a 100755 --- a/kernel/scripts/configure +++ b/kernel/scripts/configure @@ -17,10 +17,7 @@ CONFIGS="${CONFIGS} i686:legacy i686:default" CONFIGS="${CONFIGS} aarch64:default" # armv7hl -CONFIGS="${CONFIGS} armv7hl:lpae armv7hl:default" - -# armv5tel -CONFIGS="${CONFIGS} armv5tel:default" +CONFIGS="${CONFIGS} armv7hl:default" PLATFORMS="x86 arm" declare -A SUBPLATFORMS @@ -129,17 +126,8 @@ function merge_config() { ;; # ARM - armv5tel:default) - configs="${configs} config-arm-generic config-arm32-generic" - configs="${configs} config-armv5tel-default" - ;; armv7hl:default) configs="${configs} config-arm-generic config-arm32-generic" - configs="${configs} config-armv7hl-default" - ;; - armv7hl:lpae) - configs="${configs} config-arm-generic config-arm32-generic" - configs="${configs} config-armv7hl-default config-armv7hl-lpae" ;; *) echo >&2 "ERROR: Invalid parameters given: $@" @@ -248,9 +236,6 @@ function diff_configs() { # Do not include leaf configuration. case "${config}" in - armv7hl:lpae) - continue - ;; i686:legacy) continue ;; @@ -306,12 +291,12 @@ function diff_configs() { filename=${tmpdir}/config-${arch}-${flavour} case "${config}" in - aarch64:default) + aarch64:default|armv7hl:default) # Virtual configuration rm -f ${filename} continue ;; - armv7hl:lpae|i686:legacy) + i686:legacy) # Legacy depends directly on the default configuration. ${SCRIPTS_DIR}/configdiff.py ${tmpdir}/config-${arch}-default \ ${filename} > ${filename}.tmp diff --git a/texinfo/texinfo.nm b/texinfo/texinfo.nm index 1e519b4..b441e94 100644 --- a/texinfo/texinfo.nm +++ b/texinfo/texinfo.nm @@ -4,7 +4,7 @@ ############################################################################### name = texinfo -version = 6.0 +version = 6.1 release = 1 groups = Applications/Publishing hooks/post-receive -- IPFire 3.x development tree