diff options
| author |   Alexander Potapenko <glider@google.com> | 2016-07-28 15:49:07 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-07-28 16:07:41 -0700 |
| commit | 80a9201a5965f4715d5c09790862e0df84ce0614 (patch) | |
| tree | e05d44a7f9ef0d81328dc4bd70f23656fc279bc9 /include/linux/kasan.h | |
| parent | mm, kasan: account for object redzone in SLUB's nearest_obj() (diff) | |
| download | wireguard-linux-80a9201a5965f4715d5c09790862e0df84ce0614.tar.xz wireguard-linux-80a9201a5965f4715d5c09790862e0df84ce0614.zip | |
mm, kasan: switch SLUB to stackdepot, enable memory quarantine for SLUB
For KASAN builds:
- switch SLUB allocator to using stackdepot instead of storing the
allocation/deallocation stacks in the objects;
- change the freelist hook so that parts of the freelist can be put
into the quarantine.
[aryabinin@virtuozzo.com: fixes]
Link: http://lkml.kernel.org/r/1468601423-28676-1-git-send-email-aryabinin@virtuozzo.com
Link: http://lkml.kernel.org/r/1468347165-41906-3-git-send-email-glider@google.com
Signed-off-by: Alexander Potapenko <glider@google.com>
Cc: Andrey Konovalov <adech.fo@gmail.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Cc: Steven Rostedt (Red Hat) <rostedt@goodmis.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Kostya Serebryany <kcc@google.com>
Cc: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Kuthonuzo Luruo <kuthonuzo.luruo@hpe.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/kasan.h')
| -rw-r--r-- | include/linux/kasan.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/kasan.h b/include/linux/kasan.h index ac4b3c46a84d..c9cf374445d8 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -77,6 +77,7 @@ void kasan_free_shadow(const struct vm_struct *vm); size_t ksize(const void *); static inline void kasan_unpoison_slab(const void *ptr) { ksize(ptr); } +size_t kasan_metadata_size(struct kmem_cache *cache); #else /* CONFIG_KASAN */ @@ -121,6 +122,7 @@ static inline int kasan_module_alloc(void *addr, size_t size) { return 0; } static inline void kasan_free_shadow(const struct vm_struct *vm) {} static inline void kasan_unpoison_slab(const void *ptr) { } +static inline size_t kasan_metadata_size(struct kmem_cache *cache) { return 0; } #endif /* CONFIG_KASAN */ |