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 /mm/slab.h | |
| parent | c146a2b98eb5898eb0fab15a332257a4102ecae9 (diff) | |
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 'mm/slab.h')
| -rw-r--r-- | mm/slab.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/mm/slab.h b/mm/slab.h index f33980ab0406..9653f2e2591a 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -369,6 +369,8 @@ static inline size_t slab_ksize(const struct kmem_cache *s) if (s->flags & (SLAB_RED_ZONE | SLAB_POISON)) return s->object_size; # endif + if (s->flags & SLAB_KASAN) + return s->object_size; /* * If we have the need to store the freelist pointer * back there or track user information then we can |