netdev - Re: [PATCH v3] ipv6: fix incorrent ipv6 ipsec packet fragment

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Message-Id: <20120320.054011.1296392581050573170.davem@davemloft.net>
Date:	Tue, 20 Mar 2012 05:40:11 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	steffen.klassert@...unet.com
Cc:	gaofeng@...fujitsu.com, netdev@...r.kernel.org
Subject: Re: [PATCH v3] ipv6: fix incorrent ipv6 ipsec packet fragment

From: Steffen Klassert <steffen.klassert@...unet.com>
Date: Tue, 20 Mar 2012 09:54:05 +0100

> On Tue, Mar 20, 2012 at 04:36:10PM +0800, Gao feng wrote:
>> Since commit 299b0767(ipv6: Fix IPsec slowpath fragmentation problem)
>> In func ip6_append_data,after call skb_put(skb, fraglen + dst_exthdrlen)
>> the skb->len contains dst_exthdrlen,and we don't reduce dst_exthdrlen at last
>> This will make fraggap>0 in next "while cycle",and cause the size of skb incorrent
>> 
>> Fix this by reserve headroom for dst_exthdrlen.
>> 
>> Signed-off-by: Gao feng <gaofeng@...fujitsu.com>
> 
> Acked-by: Steffen Klassert <steffen.klassert@...unet.com>

Applied and queued up for -stable, thanks.

 
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