Messages in this thread Patch in this message | | | From | js1304@gmail ... | Subject | [PATCH 01/18] mm/kasan: make some kasan functions global | Date | Tue, 28 Nov 2017 16:48:36 +0900 |
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From: Joonsoo Kim <iamjoonsoo.kim@lge.com>
They will be used for the vchecker in the following patch. Make it non-static and add declairation in header files.
Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@lge.com> --- include/linux/kasan.h | 1 + mm/kasan/kasan.c | 2 +- mm/kasan/kasan.h | 2 ++ mm/kasan/report.c | 2 +- 4 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/include/linux/kasan.h b/include/linux/kasan.h index e3eb834..50f49fe 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -37,6 +37,7 @@ extern void kasan_enable_current(void); /* Disable reporting bugs for current task */ extern void kasan_disable_current(void); +void kasan_poison_shadow(const void *address, size_t size, u8 value); void kasan_unpoison_shadow(const void *address, size_t size); void kasan_unpoison_task_stack(struct task_struct *task); diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c index 405bba4..2bcbdbd 100644 --- a/mm/kasan/kasan.c +++ b/mm/kasan/kasan.c @@ -54,7 +54,7 @@ void kasan_disable_current(void) * Poisons the shadow memory for 'size' bytes starting from 'addr'. * Memory addresses should be aligned to KASAN_SHADOW_SCALE_SIZE. */ -static void kasan_poison_shadow(const void *address, size_t size, u8 value) +void kasan_poison_shadow(const void *address, size_t size, u8 value) { void *shadow_start, *shadow_end; diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index c70851a..b5d086d 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -99,6 +99,8 @@ static inline const void *kasan_shadow_to_mem(const void *shadow_addr) void kasan_report(unsigned long addr, size_t size, bool is_write, unsigned long ip); +void describe_object(struct kmem_cache *cache, void *object, + const void *addr); void kasan_report_double_free(struct kmem_cache *cache, void *object, void *ip); diff --git a/mm/kasan/report.c b/mm/kasan/report.c index 6bcfb01..b78735a 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -230,7 +230,7 @@ static void describe_object_addr(struct kmem_cache *cache, void *object, (void *)(object_addr + cache->object_size)); } -static void describe_object(struct kmem_cache *cache, void *object, +void describe_object(struct kmem_cache *cache, void *object, const void *addr) { struct kasan_alloc_meta *alloc_info = get_alloc_info(cache, object); -- 2.7.4
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