path: root/include/linux/kasan.h
diff options
authorAlexander Potapenko <>2016-03-25 14:21:59 -0700
committerLinus Torvalds <>2016-03-25 16:37:42 -0700
commit7ed2f9e663854db313f177a511145630e398b402 (patch)
treef9dfba81a688864a4d78689470f624b0a482f545 /include/linux/kasan.h
parente6e8379c876de16c6b78f83b15d5ac32c79cb440 (diff)
mm, kasan: SLAB support
Add KASAN hooks to SLAB allocator. This patch is based on the "mm: kasan: unified support for SLUB and SLAB allocators" patch originally prepared by Dmitry Chernenkov. Signed-off-by: Alexander Potapenko <> Cc: Christoph Lameter <> Cc: Pekka Enberg <> Cc: David Rientjes <> Cc: Joonsoo Kim <> Cc: Andrey Konovalov <> Cc: Dmitry Vyukov <> Cc: Andrey Ryabinin <> Cc: Steven Rostedt <> Cc: Konstantin Serebryany <> Cc: Dmitry Chernenkov <> Signed-off-by: Andrew Morton <> Signed-off-by: Linus Torvalds <>
Diffstat (limited to 'include/linux/kasan.h')
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/kasan.h b/include/linux/kasan.h
index 0fdc798e3ff7..839f2007a0f9 100644
--- a/include/linux/kasan.h
+++ b/include/linux/kasan.h
@@ -48,6 +48,9 @@ void kasan_unpoison_task_stack(struct task_struct *task);
void kasan_alloc_pages(struct page *page, unsigned int order);
void kasan_free_pages(struct page *page, unsigned int order);
+void kasan_cache_create(struct kmem_cache *cache, size_t *size,
+ unsigned long *flags);
void kasan_poison_slab(struct page *page);
void kasan_unpoison_object_data(struct kmem_cache *cache, void *object);
void kasan_poison_object_data(struct kmem_cache *cache, void *object);
@@ -61,6 +64,11 @@ void kasan_krealloc(const void *object, size_t new_size);
void kasan_slab_alloc(struct kmem_cache *s, void *object);
void kasan_slab_free(struct kmem_cache *s, void *object);
+struct kasan_cache {
+ int alloc_meta_offset;
+ int free_meta_offset;
int kasan_module_alloc(void *addr, size_t size);
void kasan_free_shadow(const struct vm_struct *vm);
@@ -76,6 +84,10 @@ static inline void kasan_disable_current(void) {}
static inline void kasan_alloc_pages(struct page *page, unsigned int order) {}
static inline void kasan_free_pages(struct page *page, unsigned int order) {}
+static inline void kasan_cache_create(struct kmem_cache *cache,
+ size_t *size,
+ unsigned long *flags) {}
static inline void kasan_poison_slab(struct page *page) {}
static inline void kasan_unpoison_object_data(struct kmem_cache *cache,
void *object) {}