linux-kernel - Re: [PATCH v3] AF_ALG: Initialize sg_num

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Message-ID: <20180706215751.GB109361@gmail.com>
Date:   Fri, 6 Jul 2018 14:57:51 -0700
From:   Eric Biggers <ebiggers3@...il.com>
To:     Stephan Müller <smueller@...onox.de>
Cc:     syzbot <syzbot+9c251bdd09f83b92ba95@...kaller.appspotmail.com>,
        davem@...emloft.net, herbert@...dor.apana.org.au,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [PATCH v3] AF_ALG: Initialize sg_num_bytes in error code path

On Fri, Jul 06, 2018 at 09:50:55AM +0200, Stephan Müller wrote:
> Changes v3:
> * Fix syz testing line
> 
> Changes v2:
> * Addition of syz testing line
> 
> ---8<---
> 
> The RX SGL in processing is already registered with the RX SGL tracking
> list to support proper cleanup. The cleanup code path uses the
> sg_num_bytes variable which must therefore be always initialized, even
> in the error code path.
> 
> Signed-off-by: Stephan Mueller <smueller@...onox.de>
> Reported-by: syzbot+9c251bdd09f83b92ba95@...kaller.appspotmail.com
> #syz test: https://github.com/google/kmsan.git master

Can you add Fixes: and Cc: stable?

- Eric