diff options
Diffstat (limited to 'mm/kasan')
| -rw-r--r-- | mm/kasan/generic.c | 19 | ||||
| -rw-r--r-- | mm/kasan/generic_report.c | 3 | ||||
| -rw-r--r-- | mm/kasan/kasan.h | 3 |
3 files changed, 0 insertions, 25 deletions
diff --git a/mm/kasan/generic.c b/mm/kasan/generic.c index ccb6207276e3..504c79363a34 100644 --- a/mm/kasan/generic.c +++ b/mm/kasan/generic.c @@ -275,25 +275,6 @@ EXPORT_SYMBOL(__asan_storeN_noabort); void __asan_handle_no_return(void) {} EXPORT_SYMBOL(__asan_handle_no_return); -/* Emitted by compiler to poison large objects when they go out of scope. */ -void __asan_poison_stack_memory(const void *addr, size_t size) -{ - /* - * Addr is KASAN_SHADOW_SCALE_SIZE-aligned and the object is surrounded - * by redzones, so we simply round up size to simplify logic. - */ - kasan_poison_shadow(addr, round_up(size, KASAN_SHADOW_SCALE_SIZE), - KASAN_USE_AFTER_SCOPE); -} -EXPORT_SYMBOL(__asan_poison_stack_memory); - -/* Emitted by compiler to unpoison large objects when they go into scope. */ -void __asan_unpoison_stack_memory(const void *addr, size_t size) -{ - kasan_unpoison_shadow(addr, size); -} -EXPORT_SYMBOL(__asan_unpoison_stack_memory); - /* Emitted by compiler to poison alloca()ed objects. */ void __asan_alloca_poison(unsigned long addr, size_t size) { diff --git a/mm/kasan/generic_report.c b/mm/kasan/generic_report.c index 5e12035888f2..36c645939bc9 100644 --- a/mm/kasan/generic_report.c +++ b/mm/kasan/generic_report.c @@ -82,9 +82,6 @@ static const char *get_shadow_bug_type(struct kasan_access_info *info) case KASAN_KMALLOC_FREE: bug_type = "use-after-free"; break; - case KASAN_USE_AFTER_SCOPE: - bug_type = "use-after-scope"; - break; case KASAN_ALLOCA_LEFT: case KASAN_ALLOCA_RIGHT: bug_type = "alloca-out-of-bounds"; diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index ea51b2d898ec..3e0c11f7d7a1 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -34,7 +34,6 @@ #define KASAN_STACK_MID 0xF2 #define KASAN_STACK_RIGHT 0xF3 #define KASAN_STACK_PARTIAL 0xF4 -#define KASAN_USE_AFTER_SCOPE 0xF8 /* * alloca redzone shadow values @@ -187,8 +186,6 @@ void __asan_unregister_globals(struct kasan_global *globals, size_t size); void __asan_loadN(unsigned long addr, size_t size); void __asan_storeN(unsigned long addr, size_t size); void __asan_handle_no_return(void); -void __asan_poison_stack_memory(const void *addr, size_t size); -void __asan_unpoison_stack_memory(const void *addr, size_t size); void __asan_alloca_poison(unsigned long addr, size_t size); void __asan_allocas_unpoison(const void *stack_top, const void *stack_bottom); |