netdev - Re: [PATCHv2 net] openvswitch: Scrub skb between namespaces

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Message-Id: <20151018.222517.734844235920874923.davem@davemloft.net>
Date:	Sun, 18 Oct 2015 22:25:17 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	joestringer@...ira.com
Cc:	netdev@...r.kernel.org, pshelar@...ira.com, tgraf@...g.ch,
	hannes@...hat.com, jesse@...ira.com
Subject: Re: [PATCHv2 net] openvswitch: Scrub skb between namespaces

From: Joe Stringer <joestringer@...ira.com>
Date: Fri, 16 Oct 2015 11:08:18 -0700

> If OVS receives a packet from another namespace, then the packet should
> be scrubbed. However, people have already begun to rely on the behaviour
> that skb->mark is preserved across namespaces, so retain this one field.
> 
> This is mainly to address information leakage between namespaces when
> using OVS internal ports, but by placing it in ovs_vport_receive() it is
> more generally applicable, meaning it should not be overlooked if other
> port types are allowed to be moved into namespaces in future.
> 
> Signed-off-by: Joe Stringer <joestringer@...ira.com>

Applied, thanks.
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