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(parent: 6f15194) | 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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 19 May 2016 00:06:45 +0000 (17:06 -0700)
commit3cbc5f6ed2722a65b75de22fe2206471f093b6c3
treec94944d994a4635fdd000f65f29185bb57b39adatree | snapshot
parent6f1519425705094323912e55d8d6e174775b9cafcommit | diff
crypto: hash - Fix page length clamping in hash walk

commit 13f4bb78cf6a312bbdec367ba3da044b09bf0e29 upstream.

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.

Reported-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
crypto/ahash.c diff | blob | history
Linux kernel for KaRo TX COM modules