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slub: fix slab_pad_check()

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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 <[email protected]>
Reported-by: Zdenek Kabelac <[email protected]>
Signed-off-by: Eric Dumazet <[email protected]>
Signed-off-by: Pekka Enberg <[email protected]>
This commit is contained in:
Eric Dumazet 2009-09-03 16:08:06 +02:00 • committed by Pekka Enberg
commit 8a3d271deb
1 changed files with 1 additions and 1 deletions
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mm/slub.c
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@ -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;
}