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(parent: dd99371) | 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)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 15 Jun 2016 20:28:14 +0000 (21:28 +0100)
commit05c5678247404392ef9b0e57b1f1250a50db0aa7
treeba6ffb88d031d2b43c46969ce610e0f564c7696etree | snapshot
parentdd99371637aa1dca140c3f06e38a7abe708b45f1commit | 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: Ben Hutchings <ben@decadent.org.uk>
crypto/ahash.c diff | blob | history
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