From: Andrey Konovalov <andreyknvl@google.com> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Dmitry Vyukov <dvyukov@google.com>, Alexander Potapenko <glider@google.com>, Marco Elver <elver@google.com> Cc: Evgenii Stepanov <eugenis@google.com>, Kostya Serebryany <kcc@google.com>, Peter Collingbourne <pcc@google.com>, Serban Constantinescu <serbanc@google.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Elena Petrova <lenaptr@google.com>, Branislav Rankov <Branislav.Rankov@arm.com>, Kevin Brodsky <kevin.brodsky@arm.com>, Andrew Morton <akpm@linux-foundation.org>, kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrey Konovalov <andreyknvl@google.com> Subject: [PATCH RFC v2 16/21] kasan: optimize poisoning in kmalloc and krealloc Date: Thu, 22 Oct 2020 15:19:08 +0200 [thread overview] Message-ID: <ce573435398f21d3e604f104c29ba65eca70d9e7.1603372719.git.andreyknvl@google.com> (raw) In-Reply-To: <cover.1603372719.git.andreyknvl@google.com> Since kasan_kmalloc() always follows kasan_slab_alloc(), there's no need to reunpoison the object data, only to poison the redzone. This requires changing kasan annotation for early SLUB cache to kasan_slab_alloc(). Otherwise kasan_kmalloc() doesn't untag the object. This doesn't do any functional changes, as kmem_cache_node->object_size is equal to sizeof(struct kmem_cache_node). Similarly for kasan_krealloc(), as it's called after ksize(), which already unpoisoned the object, there's no need to do it again. Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Link: https://linux-review.googlesource.com/id/I4083d3b55605f70fef79bca9b90843c4390296f2 --- mm/kasan/common.c | 31 +++++++++++++++++++++---------- mm/slub.c | 3 +-- 2 files changed, 22 insertions(+), 12 deletions(-) diff --git a/mm/kasan/common.c b/mm/kasan/common.c index c5ec60e1a4d2..a581937c2a44 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -360,8 +360,14 @@ static void *____kasan_kmalloc(struct kmem_cache *cache, const void *object, if (IS_ENABLED(CONFIG_KASAN_SW_TAGS) || IS_ENABLED(CONFIG_KASAN_HW_TAGS)) tag = assign_tag(cache, object, false, keep_tag); - /* Tag is ignored in set_tag without CONFIG_KASAN_SW/HW_TAGS */ - kasan_unpoison_memory(set_tag(object, tag), size); + /* + * Don't unpoison the object when keeping the tag. Tag is kept for: + * 1. krealloc(), and then the memory has already been unpoisoned via ksize(); + * 2. kmalloc(), and then the memory has already been unpoisoned by kasan_kmalloc(). + * Tag is ignored in set_tag() without CONFIG_KASAN_SW/HW_TAGS. + */ + if (!keep_tag) + kasan_unpoison_memory(set_tag(object, tag), size); kasan_poison_memory((void *)redzone_start, redzone_end - redzone_start, KASAN_KMALLOC_REDZONE); @@ -384,10 +390,9 @@ void * __must_check __kasan_kmalloc(struct kmem_cache *cache, const void *object } EXPORT_SYMBOL(__kasan_kmalloc); -void * __must_check __kasan_kmalloc_large(const void *ptr, size_t size, - gfp_t flags) +static void * __must_check ____kasan_kmalloc_large(struct page *page, const void *ptr, + size_t size, gfp_t flags, bool realloc) { - struct page *page; unsigned long redzone_start; unsigned long redzone_end; @@ -397,18 +402,24 @@ void * __must_check __kasan_kmalloc_large(const void *ptr, size_t size, if (unlikely(ptr == NULL)) return NULL; - page = virt_to_page(ptr); - redzone_start = round_up((unsigned long)(ptr + size), - KASAN_GRANULE_SIZE); + redzone_start = round_up((unsigned long)(ptr + size), KASAN_GRANULE_SIZE); redzone_end = (unsigned long)ptr + page_size(page); - kasan_unpoison_memory(ptr, size); + /* ksize() in __do_krealloc() already unpoisoned the memory. */ + if (!realloc) + kasan_unpoison_memory(ptr, size); kasan_poison_memory((void *)redzone_start, redzone_end - redzone_start, KASAN_PAGE_REDZONE); return (void *)ptr; } +void * __must_check __kasan_kmalloc_large(const void *ptr, size_t size, + gfp_t flags) +{ + return ____kasan_kmalloc_large(virt_to_page(ptr), ptr, size, flags, false); +} + void * __must_check __kasan_krealloc(const void *object, size_t size, gfp_t flags) { struct page *page; @@ -419,7 +430,7 @@ void * __must_check __kasan_krealloc(const void *object, size_t size, gfp_t flag page = virt_to_head_page(object); if (unlikely(!PageSlab(page))) - return __kasan_kmalloc_large(object, size, flags); + return ____kasan_kmalloc_large(page, object, size, flags, true); else return ____kasan_kmalloc(page->slab_cache, object, size, flags, true); diff --git a/mm/slub.c b/mm/slub.c index 1d3f2355df3b..afb035b0bf2d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3535,8 +3535,7 @@ static void early_kmem_cache_node_alloc(int node) init_object(kmem_cache_node, n, SLUB_RED_ACTIVE); init_tracking(kmem_cache_node, n); #endif - n = kasan_kmalloc(kmem_cache_node, n, sizeof(struct kmem_cache_node), - GFP_KERNEL); + n = kasan_slab_alloc(kmem_cache_node, n, GFP_KERNEL); page->freelist = get_freepointer(kmem_cache_node, n); page->inuse = 1; page->frozen = 0; -- 2.29.0.rc1.297.gfa9743e501-goog
WARNING: multiple messages have this Message-ID (diff)
From: Andrey Konovalov <andreyknvl@google.com> To: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Vincenzo Frascino <vincenzo.frascino@arm.com>, Dmitry Vyukov <dvyukov@google.com>, Alexander Potapenko <glider@google.com>, Marco Elver <elver@google.com> Cc: Branislav Rankov <Branislav.Rankov@arm.com>, Elena Petrova <lenaptr@google.com>, linux-mm@kvack.org, Andrey Konovalov <andreyknvl@google.com>, Kevin Brodsky <kevin.brodsky@arm.com>, linux-kernel@vger.kernel.org, kasan-dev@googlegroups.com, Kostya Serebryany <kcc@google.com>, linux-arm-kernel@lists.infradead.org, Serban Constantinescu <serbanc@google.com>, Andrey Ryabinin <aryabinin@virtuozzo.com>, Andrew Morton <akpm@linux-foundation.org>, Peter Collingbourne <pcc@google.com>, Evgenii Stepanov <eugenis@google.com> Subject: [PATCH RFC v2 16/21] kasan: optimize poisoning in kmalloc and krealloc Date: Thu, 22 Oct 2020 15:19:08 +0200 [thread overview] Message-ID: <ce573435398f21d3e604f104c29ba65eca70d9e7.1603372719.git.andreyknvl@google.com> (raw) In-Reply-To: <cover.1603372719.git.andreyknvl@google.com> Since kasan_kmalloc() always follows kasan_slab_alloc(), there's no need to reunpoison the object data, only to poison the redzone. This requires changing kasan annotation for early SLUB cache to kasan_slab_alloc(). Otherwise kasan_kmalloc() doesn't untag the object. This doesn't do any functional changes, as kmem_cache_node->object_size is equal to sizeof(struct kmem_cache_node). Similarly for kasan_krealloc(), as it's called after ksize(), which already unpoisoned the object, there's no need to do it again. Signed-off-by: Andrey Konovalov <andreyknvl@google.com> Link: https://linux-review.googlesource.com/id/I4083d3b55605f70fef79bca9b90843c4390296f2 --- mm/kasan/common.c | 31 +++++++++++++++++++++---------- mm/slub.c | 3 +-- 2 files changed, 22 insertions(+), 12 deletions(-) diff --git a/mm/kasan/common.c b/mm/kasan/common.c index c5ec60e1a4d2..a581937c2a44 100644 --- a/mm/kasan/common.c +++ b/mm/kasan/common.c @@ -360,8 +360,14 @@ static void *____kasan_kmalloc(struct kmem_cache *cache, const void *object, if (IS_ENABLED(CONFIG_KASAN_SW_TAGS) || IS_ENABLED(CONFIG_KASAN_HW_TAGS)) tag = assign_tag(cache, object, false, keep_tag); - /* Tag is ignored in set_tag without CONFIG_KASAN_SW/HW_TAGS */ - kasan_unpoison_memory(set_tag(object, tag), size); + /* + * Don't unpoison the object when keeping the tag. Tag is kept for: + * 1. krealloc(), and then the memory has already been unpoisoned via ksize(); + * 2. kmalloc(), and then the memory has already been unpoisoned by kasan_kmalloc(). + * Tag is ignored in set_tag() without CONFIG_KASAN_SW/HW_TAGS. + */ + if (!keep_tag) + kasan_unpoison_memory(set_tag(object, tag), size); kasan_poison_memory((void *)redzone_start, redzone_end - redzone_start, KASAN_KMALLOC_REDZONE); @@ -384,10 +390,9 @@ void * __must_check __kasan_kmalloc(struct kmem_cache *cache, const void *object } EXPORT_SYMBOL(__kasan_kmalloc); -void * __must_check __kasan_kmalloc_large(const void *ptr, size_t size, - gfp_t flags) +static void * __must_check ____kasan_kmalloc_large(struct page *page, const void *ptr, + size_t size, gfp_t flags, bool realloc) { - struct page *page; unsigned long redzone_start; unsigned long redzone_end; @@ -397,18 +402,24 @@ void * __must_check __kasan_kmalloc_large(const void *ptr, size_t size, if (unlikely(ptr == NULL)) return NULL; - page = virt_to_page(ptr); - redzone_start = round_up((unsigned long)(ptr + size), - KASAN_GRANULE_SIZE); + redzone_start = round_up((unsigned long)(ptr + size), KASAN_GRANULE_SIZE); redzone_end = (unsigned long)ptr + page_size(page); - kasan_unpoison_memory(ptr, size); + /* ksize() in __do_krealloc() already unpoisoned the memory. */ + if (!realloc) + kasan_unpoison_memory(ptr, size); kasan_poison_memory((void *)redzone_start, redzone_end - redzone_start, KASAN_PAGE_REDZONE); return (void *)ptr; } +void * __must_check __kasan_kmalloc_large(const void *ptr, size_t size, + gfp_t flags) +{ + return ____kasan_kmalloc_large(virt_to_page(ptr), ptr, size, flags, false); +} + void * __must_check __kasan_krealloc(const void *object, size_t size, gfp_t flags) { struct page *page; @@ -419,7 +430,7 @@ void * __must_check __kasan_krealloc(const void *object, size_t size, gfp_t flag page = virt_to_head_page(object); if (unlikely(!PageSlab(page))) - return __kasan_kmalloc_large(object, size, flags); + return ____kasan_kmalloc_large(page, object, size, flags, true); else return ____kasan_kmalloc(page->slab_cache, object, size, flags, true); diff --git a/mm/slub.c b/mm/slub.c index 1d3f2355df3b..afb035b0bf2d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -3535,8 +3535,7 @@ static void early_kmem_cache_node_alloc(int node) init_object(kmem_cache_node, n, SLUB_RED_ACTIVE); init_tracking(kmem_cache_node, n); #endif - n = kasan_kmalloc(kmem_cache_node, n, sizeof(struct kmem_cache_node), - GFP_KERNEL); + n = kasan_slab_alloc(kmem_cache_node, n, GFP_KERNEL); page->freelist = get_freepointer(kmem_cache_node, n); page->inuse = 1; page->frozen = 0; -- 2.29.0.rc1.297.gfa9743e501-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:[~2020-10-22 13:20 UTC|newest] Thread overview: 210+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-22 13:18 [PATCH RFC v2 00/21] kasan: hardware tag-based mode for production use on arm64 Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` [PATCH RFC v2 01/21] kasan: simplify quarantine_put call site Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-22 13:18 ` [PATCH RFC v2 02/21] kasan: rename get_alloc/free_info Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-27 12:40 ` Dmitry Vyukov 2020-10-22 13:18 ` [PATCH RFC v2 03/21] kasan: introduce set_alloc_info Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-27 12:41 ` Dmitry Vyukov 2020-10-27 12:41 ` Dmitry Vyukov 2020-10-27 12:41 ` Dmitry Vyukov 2020-10-22 13:18 ` [PATCH RFC v2 04/21] kasan: unpoison stack only with CONFIG_KASAN_STACK Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-27 12:44 ` Dmitry Vyukov 2020-10-27 12:44 ` Dmitry Vyukov 2020-10-27 12:44 ` Dmitry Vyukov 2020-10-27 12:45 ` Dmitry Vyukov 2020-10-27 12:45 ` Dmitry Vyukov 2020-10-27 12:45 ` Dmitry Vyukov 2020-10-29 19:57 ` Andrey Konovalov 2020-10-29 19:57 ` Andrey Konovalov 2020-10-29 19:57 ` Andrey Konovalov 2020-11-16 10:59 ` Dmitry Vyukov 2020-11-16 10:59 ` Dmitry Vyukov 2020-11-16 10:59 ` Dmitry Vyukov 2020-11-16 11:50 ` Marco Elver 2020-11-16 11:50 ` Marco Elver 2020-11-16 11:50 ` Marco Elver 2020-11-16 12:16 ` Catalin Marinas 2020-11-16 12:16 ` Catalin Marinas 2020-11-16 12:19 ` Dmitry Vyukov 2020-11-16 12:19 ` Dmitry Vyukov 2020-11-16 12:19 ` Dmitry Vyukov 2020-11-16 12:45 ` Vincenzo Frascino 2020-11-16 12:45 ` Vincenzo Frascino 2020-11-16 13:50 ` Andrey Konovalov 2020-11-16 13:50 ` Andrey Konovalov 2020-11-16 13:50 ` Andrey Konovalov 2020-11-16 14:50 ` Vincenzo Frascino 2020-11-16 14:50 ` Vincenzo Frascino 2020-10-22 13:18 ` [PATCH RFC v2 05/21] kasan: allow VMAP_STACK for HW_TAGS mode Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-27 12:49 ` Dmitry Vyukov 2020-10-27 12:49 ` Dmitry Vyukov 2020-10-27 12:49 ` Dmitry Vyukov 2020-10-29 20:00 ` Andrey Konovalov 2020-10-29 20:00 ` Andrey Konovalov 2020-10-29 20:00 ` Andrey Konovalov 2020-10-22 13:18 ` [PATCH RFC v2 06/21] kasan: mark kasan_init_tags as __init Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-28 10:08 ` Dmitry Vyukov 2020-10-28 10:08 ` Dmitry Vyukov 2020-10-28 10:08 ` Dmitry Vyukov 2020-10-29 20:08 ` Andrey Konovalov 2020-10-29 20:08 ` Andrey Konovalov 2020-10-29 20:08 ` Andrey Konovalov 2020-10-22 13:18 ` [PATCH RFC v2 07/21] kasan, arm64: move initialization message Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-22 13:18 ` Andrey Konovalov 2020-10-28 10:55 ` Dmitry Vyukov 2020-10-28 10:55 ` Dmitry Vyukov 2020-10-28 10:55 ` Dmitry Vyukov 2020-10-29 20:14 ` Andrey Konovalov 2020-10-29 20:14 ` Andrey Konovalov 2020-10-29 20:14 ` Andrey Konovalov 2020-11-03 15:33 ` Andrey Konovalov 2020-11-03 15:33 ` Andrey Konovalov 2020-11-03 15:33 ` Andrey Konovalov 2020-10-22 13:19 ` [PATCH RFC v2 08/21] kasan: remove __kasan_unpoison_stack Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 10:57 ` Dmitry Vyukov 2020-10-28 10:57 ` Dmitry Vyukov 2020-10-28 10:57 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 09/21] kasan: inline kasan_reset_tag for tag-based modes Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 11:05 ` Dmitry Vyukov 2020-10-28 11:05 ` Dmitry Vyukov 2020-10-28 11:05 ` Dmitry Vyukov 2020-10-30 16:19 ` Andrey Konovalov 2020-10-30 16:19 ` Andrey Konovalov 2020-10-30 16:19 ` Andrey Konovalov 2020-10-22 13:19 ` [PATCH RFC v2 10/21] kasan: inline random_tag for HW_TAGS Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 11:08 ` Dmitry Vyukov 2020-10-28 11:08 ` Dmitry Vyukov 2020-10-28 11:08 ` Dmitry Vyukov 2020-10-30 15:48 ` Andrey Konovalov 2020-10-30 15:48 ` Andrey Konovalov 2020-10-30 15:48 ` Andrey Konovalov 2020-10-30 16:07 ` Andrey Konovalov 2020-10-30 16:07 ` Andrey Konovalov 2020-10-30 16:07 ` Andrey Konovalov 2020-10-22 13:19 ` [PATCH RFC v2 11/21] kasan: inline kasan_poison_memory and check_invalid_free Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 11:29 ` Dmitry Vyukov 2020-10-28 11:29 ` Dmitry Vyukov 2020-10-28 11:29 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 12/21] kasan: inline and rename kasan_unpoison_memory Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 11:36 ` Dmitry Vyukov 2020-10-28 11:36 ` Dmitry Vyukov 2020-10-28 11:36 ` Dmitry Vyukov 2020-10-30 16:34 ` Andrey Konovalov 2020-10-30 16:34 ` Andrey Konovalov 2020-10-30 16:34 ` Andrey Konovalov 2020-10-30 17:46 ` Dmitry Vyukov 2020-10-30 17:46 ` Dmitry Vyukov 2020-10-30 17:46 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 13/21] arm64: kasan: Add cpu_supports_tags helper Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 11:38 ` Dmitry Vyukov 2020-10-28 11:38 ` Dmitry Vyukov 2020-10-28 11:38 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 14/21] kasan: add and integrate kasan boot parameters Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 18:50 ` Marco Elver 2020-10-22 18:50 ` Marco Elver 2020-10-22 18:50 ` Marco Elver 2020-10-22 20:28 ` Andrey Konovalov 2020-10-22 20:28 ` Andrey Konovalov 2020-10-22 20:28 ` Andrey Konovalov 2020-10-28 12:27 ` Dmitry Vyukov 2020-10-28 12:27 ` Dmitry Vyukov 2020-10-28 12:27 ` Dmitry Vyukov 2020-10-30 19:30 ` Andrey Konovalov 2020-10-30 19:30 ` Andrey Konovalov 2020-10-30 19:30 ` Andrey Konovalov 2020-10-30 14:45 ` Marco Elver 2020-10-30 14:45 ` Marco Elver 2020-10-30 14:45 ` Marco Elver 2020-10-30 19:30 ` Andrey Konovalov 2020-10-30 19:30 ` Andrey Konovalov 2020-10-30 19:30 ` Andrey Konovalov 2020-10-22 13:19 ` [PATCH RFC v2 15/21] kasan: check kasan_enabled in annotations Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 16:47 ` Dmitry Vyukov 2020-10-28 16:47 ` Dmitry Vyukov 2020-10-28 16:47 ` Dmitry Vyukov 2020-10-30 19:47 ` Andrey Konovalov 2020-10-30 19:47 ` Andrey Konovalov 2020-10-30 19:47 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov [this message] 2020-10-22 13:19 ` [PATCH RFC v2 16/21] kasan: optimize poisoning in kmalloc and krealloc Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 16:55 ` Dmitry Vyukov 2020-10-28 16:55 ` Dmitry Vyukov 2020-10-28 16:55 ` Dmitry Vyukov 2020-11-02 15:17 ` Andrey Konovalov 2020-11-02 15:17 ` Andrey Konovalov 2020-11-02 15:17 ` Andrey Konovalov 2020-10-22 13:19 ` [PATCH RFC v2 17/21] kasan: simplify kasan_poison_kfree Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 16:57 ` Dmitry Vyukov 2020-10-28 16:57 ` Dmitry Vyukov 2020-10-28 16:57 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 18/21] kasan: rename kasan_poison_kfree Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 16:58 ` Dmitry Vyukov 2020-10-28 16:58 ` Dmitry Vyukov 2020-10-28 16:58 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 19/21] kasan: don't round_up too much Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 17:01 ` Dmitry Vyukov 2020-10-28 17:01 ` Dmitry Vyukov 2020-10-28 17:01 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 20/21] kasan: simplify assign_tag and set_tag calls Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 17:03 ` Dmitry Vyukov 2020-10-28 17:03 ` Dmitry Vyukov 2020-10-28 17:03 ` Dmitry Vyukov 2020-10-22 13:19 ` [PATCH RFC v2 21/21] kasan: clarify comment in __kasan_kfree_large Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-22 13:19 ` Andrey Konovalov 2020-10-28 17:04 ` Dmitry Vyukov 2020-10-28 17:04 ` Dmitry Vyukov 2020-10-28 17:04 ` Dmitry Vyukov 2020-10-22 15:15 ` [PATCH RFC v2 00/21] kasan: hardware tag-based mode for production use on arm64 Dmitry Vyukov 2020-10-22 15:15 ` Dmitry Vyukov 2020-10-22 15:15 ` Dmitry Vyukov 2020-10-22 17:00 ` Andrey Konovalov 2020-10-22 17:00 ` Andrey Konovalov 2020-10-22 17:00 ` Andrey Konovalov 2020-10-22 18:29 ` Kostya Serebryany 2020-10-22 18:29 ` Kostya Serebryany 2020-10-22 18:29 ` Kostya Serebryany
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=ce573435398f21d3e604f104c29ba65eca70d9e7.1603372719.git.andreyknvl@google.com \ --to=andreyknvl@google.com \ --cc=Branislav.Rankov@arm.com \ --cc=akpm@linux-foundation.org \ --cc=aryabinin@virtuozzo.com \ --cc=catalin.marinas@arm.com \ --cc=dvyukov@google.com \ --cc=elver@google.com \ --cc=eugenis@google.com \ --cc=glider@google.com \ --cc=kasan-dev@googlegroups.com \ --cc=kcc@google.com \ --cc=kevin.brodsky@arm.com \ --cc=lenaptr@google.com \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-mm@kvack.org \ --cc=pcc@google.com \ --cc=serbanc@google.com \ --cc=vincenzo.frascino@arm.com \ --cc=will.deacon@arm.com \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.