From: Yehuda Sadeh <yehuda@hq.newdream.net>
Date: Fri, 27 Mar 2009 05:03:51 +0000 (+0800)
Subject: crypto: shash - Fix unaligned calculation with short length
X-Git-Tag: v2.6.30-rc1~239^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4f689933c63e0fbfba62f2a80efb2b424b139ae;p=pandora-kernel.git

crypto: shash - Fix unaligned calculation with short length

When the total length is shorter than the calculated number of unaligned bytes, the call to shash->update breaks. For example, calling crc32c on unaligned buffer with length of 1 can result in a system crash.

Signed-off-by: Yehuda Sadeh <yehuda@hq.newdream.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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