From: Thomas Graf <tgraf@suug.ch>
Date: Tue, 23 Dec 2014 00:13:18 +0000 (+0100)
Subject: net: Reset secmark when scrubbing packet
X-Git-Tag: fixes-v4.0-rc1~357^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b8fb4e0648a2ab3734140342002f68fb0c7d1602;p=pandora-kernel.git

net: Reset secmark when scrubbing packet

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@suug.ch>
Acked-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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