diff options
Diffstat (limited to 'mm/kasan/kasan.c')
| -rw-r--r-- | mm/kasan/kasan.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/mm/kasan/kasan.c b/mm/kasan/kasan.c index 9249649baa69..42b178148f9c 100644 --- a/mm/kasan/kasan.c +++ b/mm/kasan/kasan.c @@ -333,13 +333,13 @@ static void check_memory_region(unsigned long addr, check_memory_region_inline(addr, size, write, ret_ip); } -void kasan_check_read(const void *p, unsigned int size) +void kasan_check_read(const volatile void *p, unsigned int size) { check_memory_region((unsigned long)p, size, false, _RET_IP_); } EXPORT_SYMBOL(kasan_check_read); -void kasan_check_write(const void *p, unsigned int size) +void kasan_check_write(const volatile void *p, unsigned int size) { check_memory_region((unsigned long)p, size, true, _RET_IP_); } @@ -579,7 +579,8 @@ bool kasan_slab_free(struct kmem_cache *cache, void *object) shadow_byte = READ_ONCE(*(s8 *)kasan_mem_to_shadow(object)); if (shadow_byte < 0 || shadow_byte >= KASAN_SHADOW_SCALE_SIZE) { - kasan_report_double_free(cache, object, shadow_byte); + kasan_report_double_free(cache, object, + __builtin_return_address(1)); return true; } |