netdev - Re: [patch] x25: add a sanity check parsing X.25 facilities

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Message-Id: <20130904.005419.700065648971320112.davem@davemloft.net>
Date:	Wed, 04 Sep 2013 00:54:19 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	dan.carpenter@...cle.com
Cc:	andrew.hendry@...il.com, linux-x25@...r.kernel.org,
	netdev@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [patch] x25: add a sanity check parsing X.25 facilities

From: Dan Carpenter <dan.carpenter@...cle.com>
Date: Tue, 3 Sep 2013 12:03:40 +0300

> This was found with a manual audit and I don't have a reproducer.  We
> limit ->calling_len and ->called_len when we get them from
> copy_from_user() in x25_ioctl() so when they come from skb->data then
> we should cap them there as well.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Applied.
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