linux-kernel - Re: Linux 3.6-rc5

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Message-ID: <878vchdcfa.fsf@silenus.orebokech.com>
Date:	Mon, 10 Sep 2012 19:18:17 +0200
From:	Romain Francoise <romain@...bokech.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	Mathias Krause <minipli@...glemail.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Crypto Mailing List <linux-crypto@...r.kernel.org>
Subject: Re: Linux 3.6-rc5

Herbert Xu <herbert@...dor.apana.org.au> writes:

> Thanks! I think this patch should fix the problem.  Can someone
> please confirm this?

Works for me as well, thanks!

> crypto: authenc - Fix crash with zero-length assoc data
>
> The authenc code doesn't deal with zero-length associated data
> correctly and ends up constructing a zero-length sg entry which
> causes a crash when it's fed into the crypto system.
>
> This patch fixes this by avoiding the code-path that triggers
> the SG construction if we have no associated data.
>
> This isn't the most optimal fix as it means that we'll end up
> using the fallback code-path even when we could still execute
> the digest function.  However, this isn't a big deal as nobody
> but the test path would supply zero-length associated data.
>
> Reported-by: Romain Francoise <romain@...bokech.com>
> Signed-off-by: Herbert Xu <herbert@...dor.apana.org.au>

Feel free to change this to:

Reported-and-tested-by: Romain Francoise <romain@...bokech.com>
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