From: Patrick McHardy <kaber@trash.net>
Date: Thu, 8 May 2008 11:27:47 +0000 (+0800)
Subject: [CRYPTO] tcrypt: Catch cipher destination memory corruption
X-Git-Tag: v2.6.27-rc1~1107^2~33
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a558f1d4f8730f055b004b4c8ca1605aeb957daa;p=pandora-kernel.git

[CRYPTO] tcrypt: Catch cipher destination memory corruption

Check whether the destination buffer is written to beyond the last
byte contained in the scatterlist.

Also change IDX1 of the cross-page access offsets to a multiple of 4.
This triggers a corruption in the HIFN driver and doesn't seem to
negatively impact other testcases.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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