diff options
Diffstat (limited to 'mm/kasan/kasan.h')
| -rw-r--r-- | mm/kasan/kasan.h | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index b8fa1e50f3d4..7df107dc400a 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -146,6 +146,13 @@ static inline bool kasan_requires_meta(void) #define META_MEM_BYTES_PER_ROW (META_BYTES_PER_ROW * KASAN_GRANULE_SIZE) #define META_ROWS_AROUND_ADDR 2 +#define KASAN_STACK_DEPTH 64 + +struct kasan_track { + u32 pid; + depot_stack_handle_t stack; +}; + enum kasan_report_type { KASAN_REPORT_ACCESS, KASAN_REPORT_INVALID_FREE, @@ -164,6 +171,11 @@ struct kasan_report_info { void *first_bad_addr; struct kmem_cache *cache; void *object; + + /* Filled in by the mode-specific reporting code. */ + const char *bug_type; + struct kasan_track alloc_track; + struct kasan_track free_track; }; /* Do not change the struct layout: compiler ABI. */ @@ -189,14 +201,7 @@ struct kasan_global { #endif }; -/* Structures for keeping alloc and free tracks. */ - -#define KASAN_STACK_DEPTH 64 - -struct kasan_track { - u32 pid; - depot_stack_handle_t stack; -}; +/* Structures for keeping alloc and free meta. */ #ifdef CONFIG_KASAN_GENERIC @@ -270,16 +275,16 @@ static inline bool addr_has_metadata(const void *addr) #endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */ +void *kasan_find_first_bad_addr(void *addr, size_t size); +void kasan_complete_mode_report_info(struct kasan_report_info *info); +void kasan_metadata_fetch_row(char *buffer, void *row); + #if defined(CONFIG_KASAN_SW_TAGS) || defined(CONFIG_KASAN_HW_TAGS) void kasan_print_tags(u8 addr_tag, const void *addr); #else static inline void kasan_print_tags(u8 addr_tag, const void *addr) { } #endif -void *kasan_find_first_bad_addr(void *addr, size_t size); -const char *kasan_get_bug_type(struct kasan_report_info *info); -void kasan_metadata_fetch_row(char *buffer, void *row); - #if defined(CONFIG_KASAN_STACK) void kasan_print_address_stack_frame(const void *addr); #else @@ -314,10 +319,6 @@ depot_stack_handle_t kasan_save_stack(gfp_t flags, bool can_alloc); void kasan_set_track(struct kasan_track *track, gfp_t flags); void kasan_save_alloc_info(struct kmem_cache *cache, void *object, gfp_t flags); void kasan_save_free_info(struct kmem_cache *cache, void *object); -struct kasan_track *kasan_get_alloc_track(struct kmem_cache *cache, - void *object); -struct kasan_track *kasan_get_free_track(struct kmem_cache *cache, - void *object, u8 tag); #if defined(CONFIG_KASAN_GENERIC) && \ (defined(CONFIG_SLAB) || defined(CONFIG_SLUB)) |