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authorEric Dumazet2009-09-03 16:08:06 +0200
committerPekka Enberg2009-09-14 07:57:55 +0300
commit8a3d271deb0cc9c2fc47317d8e431046382939c9 (patch)
tree0e6d53380e24bee70afb6102faa3fea8b762f0aa /mm
parent5788d8ad6c113c589eeaaa48a173adbbe6b1cb3d (diff)
slub: fix slab_pad_check()
When SLAB_POISON is used and slab_pad_check() finds an overwrite of the slab padding, we call restore_bytes() on the whole slab, not only on the padding. Acked-by: Christoph Lameer <cl@linux-foundation.org> Reported-by: Zdenek Kabelac <zdenek.kabelac@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Diffstat (limited to 'mm')
-rw-r--r--mm/slub.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/slub.c b/mm/slub.c
index d73f771d278f..b1cb2dfa109a 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -655,7 +655,7 @@ static int slab_pad_check(struct kmem_cache *s, struct page *page)
slab_err(s, page, "Padding overwritten. 0x%p-0x%p", fault, end - 1);
print_section("Padding", end - remainder, remainder);
- restore_bytes(s, "slab padding", POISON_INUSE, start, end);
+ restore_bytes(s, "slab padding", POISON_INUSE, end - remainder, end);
return 0;
}