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From: Marek Lindner <mareklindner@neomailbox.ch>
Date: Mon, 23 Dec 2013 20:19:03 +0800
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Subject: Re: [B.A.T.M.A.N.] [PATCH maint 2/2] batman-adv: clean nf state
	when removing protocol header
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Cc: Antonio Quartulli <antonio@meshcoding.com>


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On Monday 23 December 2013 01:28:05 Antonio Quartulli wrote:
> If an interface enslaved into batman-adv is a bridge (or a
> virtual interface built on top of a bridge) the nf_bridge
> member of the skbs reaching the soft-interface is filled
> with the state about "netfilter bridge" operations.
> 
> Then, if one of such skbs is locally delivered, the nf_bridge
> member should be cleaned up to avoid that the old state
> could mess up with other "netfilter bridge" operations when
> entering a second bridge.
> This is needed because batman-adv is an encapsulation
> protocol.
> 
> However at the moment skb->nf_bridge is not released at all
> leading to bogus "netfilter bridge" behaviours.
> 
> Fix this by cleaning the netfilter state of the skb before
> it gets delivered to the upper layer in interface_rx().
> 
> Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
> ---
>  soft-interface.c | 5 +++++
>  1 file changed, 5 insertions(+)

Applied in revision 1356028.

Thanks,
Marek

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