netdev - Re: [PATCH net] net: Reset secmark when scrubbing packet

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Message-Id: <20141224.002212.1423065054989883755.davem@davemloft.net>
Date:	Wed, 24 Dec 2014 00:22:12 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	tgraf@...g.ch
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net] net: Reset secmark when scrubbing packet

From: Thomas Graf <tgraf@...g.ch>
Date: Tue, 23 Dec 2014 01:13:18 +0100

> skb_scrub_packet() is called when a packet switches between a context
> such as between underlay and overlay, between namespaces, or between
> L3 subnets.
> 
> While we already scrub the packet mark, connection tracking entry,
> and cached destination, the security mark/context is left intact.
> 
> It seems wrong to inherit the security context of a packet when going
> from overlay to underlay or across forwarding paths.
> 
> Signed-off-by: Thomas Graf <tgraf@...g.ch>

Applied and queued up for -stable, thanks Thomas.
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