linux-kernel - Re: [PATCH] shash: fix unaligned calculation with short length

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Message-ID: <20090327050424.GB26198@gondor.apana.org.au>
Date:	Fri, 27 Mar 2009 13:04:25 +0800
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	Yehuda Sadeh <yehuda@...newdream.net>
Cc:	linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] shash: fix unaligned calculation with short length

On Thu, Mar 26, 2009 at 02:12:21PM -0700, Yehuda Sadeh wrote:
> 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@...newdream.net>

Ouch! Thanks for fixing this!  Applied to crpyto-2.6.
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