[PATCH] mm: slub: fix dereference invalid pointer in alloc_consistency_checks

In object_err(), need dereference the 'object' pointer, it may cause a invalid pointer fault. Use slab_err() instead.

Signed-off-by: Li Qiong liqiong@nfschina.com --- mm/slub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/slub.c b/mm/slub.c index 31e11ef256f9..3a2e57e2e2d7 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -1587,7 +1587,7 @@ static inline int alloc_consistency_checks(struct kmem_cache *s, return 0;

if (!check_valid_pointer(s, slab, object)) { - object_err(s, slab, object, "Freelist Pointer check fails"); + slab_err(s, slab, "Freelist Pointer (0x%p) check fails", object); return 0; }