diff options
Diffstat (limited to 'mm/slab.c')
| -rw-r--r-- | mm/slab.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/slab.c b/mm/slab.c index 183e996dde5f..b2beb2cc15e2 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -4397,8 +4397,8 @@ module_init(slab_proc_init); * Returns NULL if check passes, otherwise const char * to name of cache * to indicate an error. */ -const char *__check_heap_object(const void *ptr, unsigned long n, - struct page *page) +void __check_heap_object(const void *ptr, unsigned long n, struct page *page, + bool to_user) { struct kmem_cache *cachep; unsigned int objnr; @@ -4414,9 +4414,9 @@ const char *__check_heap_object(const void *ptr, unsigned long n, /* Allow address range falling entirely within object size. */ if (offset <= cachep->object_size && n <= cachep->object_size - offset) - return NULL; + return; - return cachep->name; + usercopy_abort("SLAB object", cachep->name, to_user, offset, n); } #endif /* CONFIG_HARDENED_USERCOPY */ |