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>
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