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)
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 --cc crypto/ahash.c
Simple merge