netdev - Re: [PATCH 2/2] fix several unaligned kernel accesses in the CIPSO engine

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Message-ID: <Line.LNX.4.64.0706072120050.10435@d.namei>
Date:	Thu, 7 Jun 2007 21:20:20 -0400 (EDT)
From:	James Morris <jmorris@...ei.org>
To:	Paul Moore <paul.moore@...com>
cc:	netdev@...r.kernel.org, selinux@...ho.nsa.gov
Subject: Re: [PATCH 2/2] fix several unaligned kernel accesses in the CIPSO
 engine

On Thu, 7 Jun 2007, Paul Moore wrote:

> IPv4 options are not very well aligned within the packet and the format of a
> CIPSO option is even worse.  The result is that the CIPSO engine in the kernel
> does a few unaligned accesses when parsing and validating incoming packets with
> CIPSO options attached which generate error messages on certain alignment
> sensitive platforms.  This patch fixes this by marking these unaligned accesses
> with the get_unaliagned() macro.
> 
> Signed-off-by: Paul Moore <paul.moore@...com>


Acked-by: James Morris <jmorris@...ei.org>


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