netdev - Re: [PATCH] net/ipv6: Fix CALIPSO causing GPF with datagram support

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Message-Id: <20170605.120015.1136981458406571990.davem@davemloft.net>
Date:   Mon, 05 Jun 2017 12:00:15 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     paul@...l-moore.com
Cc:     richard_c_haines@...nternet.com, netdev@...r.kernel.org,
        selinux@...ho.nsa.gov, linux-security-module@...r.kernel.org
Subject: Re: [PATCH] net/ipv6: Fix CALIPSO causing GPF with datagram support

From: Paul Moore <paul@...l-moore.com>
Date: Mon, 5 Jun 2017 11:55:34 -0400

> On Mon, Jun 5, 2017 at 11:44 AM, Richard Haines
> <richard_c_haines@...nternet.com> wrote:
>> When using CALIPSO with IPPROTO_UDP it is possible to trigger a GPF as the
>> IP header may have moved.
>>
>> Also update the payload length after adding the CALIPSO option.
>>
>> Signed-off-by: Richard Haines <richard_c_haines@...nternet.com>
>> ---
>>  net/ipv6/calipso.c | 6 +++++-
>>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> Acked-by: Paul Moore <paul@...l-moore.com>
> 
> Thanks Richard.  DaveM, I assume you'll be pulling this into your tree?

Sure.