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authorSzilveszter Ördög <slipszi@gmail.com>2010-08-06 09:26:38 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2010-08-06 09:26:38 +0800
commit23a75eee070f1370bee803a34f285cf81eb5f331 (patch)
tree6427c53a261840661f135b99d81062fc015dd571 /crypto/algboss.c
parentfc1caf6eafb30ea185720e29f7f5eccca61ecd60 (diff)
downloadlinux-linaro-android-23a75eee070f1370bee803a34f285cf81eb5f331.tar.gz
crypto: hash - Fix handling of small unaligned buffers
If a scatterwalk chain contains an entry with an unaligned offset then hash_walk_next() will cut off the next step at the next alignment point. However, if the entry ends before the next alignment point then we a loop, which leads to a kernel oops. Fix this by checking whether the next aligment point is before the end of the current entry. Signed-off-by: Szilveszter Ördög <slipszi@gmail.com> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/algboss.c')
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