netdev - Re: [ESP]: Ensure IV is in linear part of the skb to avoid BUG() due to OOB access

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Date:	Thu, 27 Mar 2008 16:09:48 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	tgraf@...g.ch
Cc:	netdev@...r.kernel.org
Subject: Re: [ESP]: Ensure IV is in linear part of the skb to avoid BUG()
 due to OOB access

From: Thomas Graf <tgraf@...g.ch>
Date: Thu, 27 Mar 2008 23:58:42 +0100

> ESP does not account for the IV size when calling pskb_may_pull() to
> ensure everything it accesses directly is within the linear part of a
> potential fragment. This results in a BUG() being triggered when the
> both the IPv4 and IPv6 ESP stack is fed with an skb where the first
> fragment ends between the end of the esp header and the end of the IV.
> 
> This bug was found by Dirk Nehring <dnehring@....net> .
> 
> Signed-off-by: Thomas Graf <tgraf@...g.ch>

Applied.

Thanks for not letting this fix fall through the cracks.
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