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(parent: 2498bea) | patch
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)
commit0b3cb33880f70461338e03882f45ea761e01cc5a
treecec98c0f22212e69434cbcc30403361fc11337c5tree | snapshot
parent2498bea7651647a82ee5106b96d2e3302148ff86commit | 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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