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crypto: hash - Fix page length clamping in hash walk
authorHerbert Xu <herbert@gondor.apana.org.au>
Wed, 4 May 2016 09:52:56 +0000 (17:52 +0800)
committerHerbert Xu <herbert@gondor.apana.org.au>
Thu, 5 May 2016 06:27:04 +0000 (14:27 +0800)
commit13f4bb78cf6a312bbdec367ba3da044b09bf0e29
treecec98c0f22212e69434cbcc30403361fc11337c5tree
parent6dc5df71ee5c8b44607928bfe27be50314dcf848commit | diff
crypto: hash - Fix page length clamping in hash walk

The crypto hash walk code is broken when supplied with an offset
greater than or equal to PAGE_SIZE.  This patch fixes it by adjusting
walk->pg and walk->offset when this happens.

Cc: <stable@vger.kernel.org>
Reported-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
crypto/ahash.c diff | blob | history
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