From: Andrey Konovalov <andreyknvl@google.com> To: Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexander Potapenko <glider@google.com>, Dmitry Vyukov <dvyukov@google.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Christoph Lameter <cl@linux.com>, Andrew Morton <akpm@linux-foundation.org>, Mark Rutland <mark.rutland@arm.com>, Nick Desaulniers <ndesaulniers@google.com>, Marc Zyngier <marc.zyngier@arm.com>, Dave Martin <dave.martin@arm.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, "Eric W . Biederman" <ebiederm@xmission.com>, Ingo Molnar <mingo@kernel.org>, Paul Lawrence <paullawrence@google.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Arnd Bergmann <arnd@arndb.de>, "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Kate Stewart <kstewart@linuxfoundation.org>, Mike Rapoport <rppt@linux.vnet.ibm.com>, kasan-dev@googlegroups.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sparse@vger.kernel.org, linux-mm@kvack.org, linux-kbuild@vger.kernel.org Cc: Kostya Serebryany <kcc@google.com>, Evgeniy Stepanov <eugenis@google.com>, Lee Smith <Lee.Smith@arm.com>, Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>, Jacob Bramley <Jacob.Bramley@arm.com>, Ruben Ayrapetyan <Ruben.Ayrapetyan@arm.com>, Jann Horn <jannh@google.com>, Mark Brand <markbrand@google.com>, Chintan Pandya <cpandya@codeaurora.org>, Vishwath Mohan <vishwath@google.com>, Andrey Konovalov <andreyknvl@google.com> Subject: [PATCH v13 17/25] kasan: add bug reporting routines for tag-based mode Date: Thu, 6 Dec 2018 13:24:35 +0100 [thread overview] Message-ID: <aee6897b1bd077732a315fd84c6b4f234dbfdfcb.1544099024.git.andreyknvl@google.com> (raw) In-Reply-To: <cover.1544099024.git.andreyknvl@google.com> This commit adds rountines, that print tag-based KASAN error reports. Those are quite similar to generic KASAN, the difference is: 1. The way tag-based KASAN finds the first bad shadow cell (with a mismatching tag). Tag-based KASAN compares memory tags from the shadow memory to the pointer tag. 2. Tag-based KASAN reports all bugs with the "KASAN: invalid-access" header. Also simplify generic KASAN find_first_bad_addr. Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Reviewed-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Andrey Konovalov <andreyknvl@google.com> --- mm/kasan/generic_report.c | 16 ++++------- mm/kasan/kasan.h | 5 ++++ mm/kasan/report.c | 57 +++++++++++++++++++++------------------ mm/kasan/tags_report.c | 18 +++++++++++++ 4 files changed, 59 insertions(+), 37 deletions(-) diff --git a/mm/kasan/generic_report.c b/mm/kasan/generic_report.c index 5201d1770700..a4604cceae59 100644 --- a/mm/kasan/generic_report.c +++ b/mm/kasan/generic_report.c @@ -33,16 +33,13 @@ #include "kasan.h" #include "../slab.h" -static const void *find_first_bad_addr(const void *addr, size_t size) +void *find_first_bad_addr(void *addr, size_t size) { - u8 shadow_val = *(u8 *)kasan_mem_to_shadow(addr); - const void *first_bad_addr = addr; + void *p = addr; - while (!shadow_val && first_bad_addr < addr + size) { - first_bad_addr += KASAN_SHADOW_SCALE_SIZE; - shadow_val = *(u8 *)kasan_mem_to_shadow(first_bad_addr); - } - return first_bad_addr; + while (p < addr + size && !(*(u8 *)kasan_mem_to_shadow(p))) + p += KASAN_SHADOW_SCALE_SIZE; + return p; } static const char *get_shadow_bug_type(struct kasan_access_info *info) @@ -50,9 +47,6 @@ static const char *get_shadow_bug_type(struct kasan_access_info *info) const char *bug_type = "unknown-crash"; u8 *shadow_addr; - info->first_bad_addr = find_first_bad_addr(info->access_addr, - info->access_size); - shadow_addr = (u8 *)kasan_mem_to_shadow(info->first_bad_addr); /* diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 33cc3b0e017e..82a23b23ff93 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -119,6 +119,7 @@ void kasan_poison_shadow(const void *address, size_t size, u8 value); void check_memory_region(unsigned long addr, size_t size, bool write, unsigned long ret_ip); +void *find_first_bad_addr(void *addr, size_t size); const char *get_bug_type(struct kasan_access_info *info); void kasan_report(unsigned long addr, size_t size, @@ -139,10 +140,14 @@ static inline void quarantine_remove_cache(struct kmem_cache *cache) { } #ifdef CONFIG_KASAN_SW_TAGS +void print_tags(u8 addr_tag, const void *addr); + u8 random_tag(void); #else +static inline void print_tags(u8 addr_tag, const void *addr) { } + static inline u8 random_tag(void) { return 0; diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 64a74f334c45..214d85035f99 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -64,11 +64,10 @@ static int __init kasan_set_multi_shot(char *str) } __setup("kasan_multi_shot", kasan_set_multi_shot); -static void print_error_description(struct kasan_access_info *info, - const char *bug_type) +static void print_error_description(struct kasan_access_info *info) { pr_err("BUG: KASAN: %s in %pS\n", - bug_type, (void *)info->ip); + get_bug_type(info), (void *)info->ip); pr_err("%s of size %zu at addr %px by task %s/%d\n", info->is_write ? "Write" : "Read", info->access_size, info->access_addr, current->comm, task_pid_nr(current)); @@ -272,6 +271,8 @@ void kasan_report_invalid_free(void *object, unsigned long ip) start_report(&flags); pr_err("BUG: KASAN: double-free or invalid-free in %pS\n", (void *)ip); + print_tags(get_tag(object), reset_tag(object)); + object = reset_tag(object); pr_err("\n"); print_address_description(object); pr_err("\n"); @@ -279,41 +280,45 @@ void kasan_report_invalid_free(void *object, unsigned long ip) end_report(&flags); } -static void kasan_report_error(struct kasan_access_info *info) -{ - unsigned long flags; - - start_report(&flags); - - print_error_description(info, get_bug_type(info)); - pr_err("\n"); - - if (!addr_has_shadow(info->access_addr)) { - dump_stack(); - } else { - print_address_description((void *)info->access_addr); - pr_err("\n"); - print_shadow_for_address(info->first_bad_addr); - } - - end_report(&flags); -} - void kasan_report(unsigned long addr, size_t size, bool is_write, unsigned long ip) { struct kasan_access_info info; + void *tagged_addr; + void *untagged_addr; + unsigned long flags; if (likely(!report_enabled())) return; disable_trace_on_warning(); - info.access_addr = (void *)addr; - info.first_bad_addr = (void *)addr; + tagged_addr = (void *)addr; + untagged_addr = reset_tag(tagged_addr); + + info.access_addr = tagged_addr; + if (addr_has_shadow(untagged_addr)) + info.first_bad_addr = find_first_bad_addr(tagged_addr, size); + else + info.first_bad_addr = untagged_addr; info.access_size = size; info.is_write = is_write; info.ip = ip; - kasan_report_error(&info); + start_report(&flags); + + print_error_description(&info); + if (addr_has_shadow(untagged_addr)) + print_tags(get_tag(tagged_addr), info.first_bad_addr); + pr_err("\n"); + + if (addr_has_shadow(untagged_addr)) { + print_address_description(untagged_addr); + pr_err("\n"); + print_shadow_for_address(info.first_bad_addr); + } else { + dump_stack(); + } + + end_report(&flags); } diff --git a/mm/kasan/tags_report.c b/mm/kasan/tags_report.c index 8af15e87d3bc..573c51d20d09 100644 --- a/mm/kasan/tags_report.c +++ b/mm/kasan/tags_report.c @@ -37,3 +37,21 @@ const char *get_bug_type(struct kasan_access_info *info) { return "invalid-access"; } + +void *find_first_bad_addr(void *addr, size_t size) +{ + u8 tag = get_tag(addr); + void *p = reset_tag(addr); + void *end = p + size; + + while (p < end && tag == *(u8 *)kasan_mem_to_shadow(p)) + p += KASAN_SHADOW_SCALE_SIZE; + return p; +} + +void print_tags(u8 addr_tag, const void *addr) +{ + u8 *shadow = (u8 *)kasan_mem_to_shadow(addr); + + pr_err("Pointer tag: [%02x], memory tag: [%02x]\n", addr_tag, *shadow); +} -- 2.20.0.rc1.387.gf8505762e3-goog
WARNING: multiple messages have this Message-ID (diff)
From: Andrey Konovalov <andreyknvl@google.com> To: Andrey Ryabinin <aryabinin@virtuozzo.com>, Alexander Potapenko <glider@google.com>, Dmitry Vyukov <dvyukov@google.com>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Christoph Lameter <cl@linux.com>, Andrew Morton <akpm@linux-foundation.org>, Mark Rutland <mark.rutland@arm.com>, Nick Desaulniers <ndesaulniers@google.com>, Marc Zyngier <marc.zyngier@arm.com>, Dave Martin <dave.martin@arm.com>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, "Eric W . Biederman" <ebiederm@xmission.com>, Ingo Molnar <mingo@kernel.org>, Paul Lawrence <paullawrence@google.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Arnd Bergmann <arnd@arndb.de>, "Kirill A . Shutemov" <kirill.shutemov@linux.intel.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Kate Stewart <kstewart@linuxfoundation.org>, Mike Rapoport <rppt@linux.vnet.ibm.com>, kasan-dev@googlegroups.com, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sparse@vger.kernel.org, linux-mm@kvack.org, linux-kbuild@vger.kernel.org Cc: Vishwath Mohan <vishwath@google.com>, Chintan Pandya <cpandya@codeaurora.org>, Jacob Bramley <Jacob.Bramley@arm.com>, Jann Horn <jannh@google.com>, Ruben Ayrapetyan <Ruben.Ayrapetyan@arm.com>, Andrey Konovalov <andreyknvl@google.com>, Lee Smith <Lee.Smith@arm.com>, Kostya Serebryany <kcc@google.com>, Mark Brand <markbrand@google.com>, Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>, Evgeniy Stepanov <eugenis@google.com> Subject: [PATCH v13 17/25] kasan: add bug reporting routines for tag-based mode Date: Thu, 6 Dec 2018 13:24:35 +0100 [thread overview] Message-ID: <aee6897b1bd077732a315fd84c6b4f234dbfdfcb.1544099024.git.andreyknvl@google.com> (raw) In-Reply-To: <cover.1544099024.git.andreyknvl@google.com> This commit adds rountines, that print tag-based KASAN error reports. Those are quite similar to generic KASAN, the difference is: 1. The way tag-based KASAN finds the first bad shadow cell (with a mismatching tag). Tag-based KASAN compares memory tags from the shadow memory to the pointer tag. 2. Tag-based KASAN reports all bugs with the "KASAN: invalid-access" header. Also simplify generic KASAN find_first_bad_addr. Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com> Reviewed-by: Dmitry Vyukov <dvyukov@google.com> Signed-off-by: Andrey Konovalov <andreyknvl@google.com> --- mm/kasan/generic_report.c | 16 ++++------- mm/kasan/kasan.h | 5 ++++ mm/kasan/report.c | 57 +++++++++++++++++++++------------------ mm/kasan/tags_report.c | 18 +++++++++++++ 4 files changed, 59 insertions(+), 37 deletions(-) diff --git a/mm/kasan/generic_report.c b/mm/kasan/generic_report.c index 5201d1770700..a4604cceae59 100644 --- a/mm/kasan/generic_report.c +++ b/mm/kasan/generic_report.c @@ -33,16 +33,13 @@ #include "kasan.h" #include "../slab.h" -static const void *find_first_bad_addr(const void *addr, size_t size) +void *find_first_bad_addr(void *addr, size_t size) { - u8 shadow_val = *(u8 *)kasan_mem_to_shadow(addr); - const void *first_bad_addr = addr; + void *p = addr; - while (!shadow_val && first_bad_addr < addr + size) { - first_bad_addr += KASAN_SHADOW_SCALE_SIZE; - shadow_val = *(u8 *)kasan_mem_to_shadow(first_bad_addr); - } - return first_bad_addr; + while (p < addr + size && !(*(u8 *)kasan_mem_to_shadow(p))) + p += KASAN_SHADOW_SCALE_SIZE; + return p; } static const char *get_shadow_bug_type(struct kasan_access_info *info) @@ -50,9 +47,6 @@ static const char *get_shadow_bug_type(struct kasan_access_info *info) const char *bug_type = "unknown-crash"; u8 *shadow_addr; - info->first_bad_addr = find_first_bad_addr(info->access_addr, - info->access_size); - shadow_addr = (u8 *)kasan_mem_to_shadow(info->first_bad_addr); /* diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 33cc3b0e017e..82a23b23ff93 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -119,6 +119,7 @@ void kasan_poison_shadow(const void *address, size_t size, u8 value); void check_memory_region(unsigned long addr, size_t size, bool write, unsigned long ret_ip); +void *find_first_bad_addr(void *addr, size_t size); const char *get_bug_type(struct kasan_access_info *info); void kasan_report(unsigned long addr, size_t size, @@ -139,10 +140,14 @@ static inline void quarantine_remove_cache(struct kmem_cache *cache) { } #ifdef CONFIG_KASAN_SW_TAGS +void print_tags(u8 addr_tag, const void *addr); + u8 random_tag(void); #else +static inline void print_tags(u8 addr_tag, const void *addr) { } + static inline u8 random_tag(void) { return 0; diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 64a74f334c45..214d85035f99 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -64,11 +64,10 @@ static int __init kasan_set_multi_shot(char *str) } __setup("kasan_multi_shot", kasan_set_multi_shot); -static void print_error_description(struct kasan_access_info *info, - const char *bug_type) +static void print_error_description(struct kasan_access_info *info) { pr_err("BUG: KASAN: %s in %pS\n", - bug_type, (void *)info->ip); + get_bug_type(info), (void *)info->ip); pr_err("%s of size %zu at addr %px by task %s/%d\n", info->is_write ? "Write" : "Read", info->access_size, info->access_addr, current->comm, task_pid_nr(current)); @@ -272,6 +271,8 @@ void kasan_report_invalid_free(void *object, unsigned long ip) start_report(&flags); pr_err("BUG: KASAN: double-free or invalid-free in %pS\n", (void *)ip); + print_tags(get_tag(object), reset_tag(object)); + object = reset_tag(object); pr_err("\n"); print_address_description(object); pr_err("\n"); @@ -279,41 +280,45 @@ void kasan_report_invalid_free(void *object, unsigned long ip) end_report(&flags); } -static void kasan_report_error(struct kasan_access_info *info) -{ - unsigned long flags; - - start_report(&flags); - - print_error_description(info, get_bug_type(info)); - pr_err("\n"); - - if (!addr_has_shadow(info->access_addr)) { - dump_stack(); - } else { - print_address_description((void *)info->access_addr); - pr_err("\n"); - print_shadow_for_address(info->first_bad_addr); - } - - end_report(&flags); -} - void kasan_report(unsigned long addr, size_t size, bool is_write, unsigned long ip) { struct kasan_access_info info; + void *tagged_addr; + void *untagged_addr; + unsigned long flags; if (likely(!report_enabled())) return; disable_trace_on_warning(); - info.access_addr = (void *)addr; - info.first_bad_addr = (void *)addr; + tagged_addr = (void *)addr; + untagged_addr = reset_tag(tagged_addr); + + info.access_addr = tagged_addr; + if (addr_has_shadow(untagged_addr)) + info.first_bad_addr = find_first_bad_addr(tagged_addr, size); + else + info.first_bad_addr = untagged_addr; info.access_size = size; info.is_write = is_write; info.ip = ip; - kasan_report_error(&info); + start_report(&flags); + + print_error_description(&info); + if (addr_has_shadow(untagged_addr)) + print_tags(get_tag(tagged_addr), info.first_bad_addr); + pr_err("\n"); + + if (addr_has_shadow(untagged_addr)) { + print_address_description(untagged_addr); + pr_err("\n"); + print_shadow_for_address(info.first_bad_addr); + } else { + dump_stack(); + } + + end_report(&flags); } diff --git a/mm/kasan/tags_report.c b/mm/kasan/tags_report.c index 8af15e87d3bc..573c51d20d09 100644 --- a/mm/kasan/tags_report.c +++ b/mm/kasan/tags_report.c @@ -37,3 +37,21 @@ const char *get_bug_type(struct kasan_access_info *info) { return "invalid-access"; } + +void *find_first_bad_addr(void *addr, size_t size) +{ + u8 tag = get_tag(addr); + void *p = reset_tag(addr); + void *end = p + size; + + while (p < end && tag == *(u8 *)kasan_mem_to_shadow(p)) + p += KASAN_SHADOW_SCALE_SIZE; + return p; +} + +void print_tags(u8 addr_tag, const void *addr) +{ + u8 *shadow = (u8 *)kasan_mem_to_shadow(addr); + + pr_err("Pointer tag: [%02x], memory tag: [%02x]\n", addr_tag, *shadow); +} -- 2.20.0.rc1.387.gf8505762e3-goog _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2018-12-06 12:25 UTC|newest] Thread overview: 91+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-12-06 12:24 [PATCH v13 00/25] kasan: add software tag-based mode for arm64 Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 01/25] kasan, mm: change hooks signatures Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 02/25] kasan, slub: handle pointer tags in early_kmem_cache_node_alloc Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 03/25] kasan: move common generic and tag-based code to common.c Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 04/25] kasan: rename source files to reflect the new naming scheme Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 05/25] kasan: add CONFIG_KASAN_GENERIC and CONFIG_KASAN_SW_TAGS Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-11 15:28 ` Luc Van Oostenryck 2018-12-11 15:28 ` Luc Van Oostenryck 2018-12-11 15:28 ` Luc Van Oostenryck 2018-12-11 16:02 ` Andrey Konovalov 2018-12-11 16:02 ` Andrey Konovalov 2018-12-11 16:02 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 06/25] kasan, arm64: adjust shadow size for tag-based mode Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 07/25] kasan: rename kasan_zero_page to kasan_early_shadow_page Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 08/25] kasan: initialize shadow to 0xff for tag-based mode Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-10 1:35 ` Paul Gortmaker 2018-12-10 12:12 ` Andrey Konovalov 2018-12-10 12:12 ` Andrey Konovalov 2018-12-10 12:12 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 09/25] arm64: move untagged_addr macro from uaccess.h to memory.h Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 10/25] kasan: add tag related helper functions Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 11/25] kasan, arm64: untag address in _virt_addr_is_linear Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 12/25] kasan: preassign tags to objects with ctors or SLAB_TYPESAFE_BY_RCU Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 13/25] kasan, arm64: fix up fault handling logic Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 14/25] kasan, arm64: enable top byte ignore for the kernel Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 15/25] kasan, mm: perform untagged pointers comparison in krealloc Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 16/25] kasan: split out generic_report.c from report.c Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov [this message] 2018-12-06 12:24 ` [PATCH v13 17/25] kasan: add bug reporting routines for tag-based mode Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 18/25] mm: move obj_to_index to include/linux/slab_def.h Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 19/25] kasan: add hooks implementation for tag-based mode Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-11 16:22 ` Vincenzo Frascino 2018-12-11 16:22 ` Vincenzo Frascino 2018-12-12 15:04 ` Andrey Konovalov 2018-12-12 15:04 ` Andrey Konovalov 2018-12-12 15:04 ` Andrey Konovalov 2018-12-14 12:35 ` Vincenzo Frascino 2018-12-14 12:35 ` Vincenzo Frascino 2018-12-14 12:35 ` Vincenzo Frascino 2018-12-17 19:33 ` Andrey Konovalov 2018-12-17 19:33 ` Andrey Konovalov 2018-12-17 19:33 ` Andrey Konovalov 2018-12-17 20:38 ` Andrew Morton 2018-12-17 20:38 ` Andrew Morton 2018-12-17 20:38 ` Andrew Morton 2018-12-18 13:31 ` Andrey Konovalov 2018-12-18 13:31 ` Andrey Konovalov 2018-12-18 13:31 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 20/25] kasan, arm64: add brk handler for inline instrumentation Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 21/25] kasan, mm, arm64: tag non slab memory allocated via pagealloc Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 22/25] kasan: add __must_check annotations to kasan hooks Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 23/25] kasan, arm64: select HAVE_ARCH_KASAN_SW_TAGS Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 24/25] kasan: update documentation Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-06 12:24 ` [PATCH v13 25/25] kasan: add SPDX-License-Identifier mark to source files Andrey Konovalov 2018-12-06 12:24 ` Andrey Konovalov 2018-12-11 15:18 ` [PATCH v13 00/25] kasan: add software tag-based mode for arm64 Will Deacon 2018-12-11 15:18 ` Will Deacon 2018-12-11 15:18 ` Will Deacon 2018-12-11 15:57 ` Andrey Konovalov 2018-12-11 15:57 ` Andrey Konovalov 2018-12-11 15:57 ` Andrey Konovalov 2018-12-11 16:00 ` Will Deacon 2018-12-11 16:00 ` Will Deacon 2018-12-11 16:00 ` Will Deacon 2018-12-11 21:44 ` Andrew Morton 2018-12-11 21:44 ` Andrew Morton 2018-12-11 21:44 ` Andrew Morton
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