netdev - Re: [PATCH] ipv4 tunnels: fix an oops when using ipip/sit with IPsec

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Message-Id: <20130830.171415.1757619806522159250.davem@davemloft.net>
Date:	Fri, 30 Aug 2013 17:14:15 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	nicolas.dichtel@...nd.com
Cc:	netdev@...r.kernel.org, pshelar@...ira.com, hongjun.li@...nd.com
Subject: Re: [PATCH] ipv4 tunnels: fix an oops when using ipip/sit with
 IPsec

From: Nicolas Dichtel <nicolas.dichtel@...nd.com>
Date: Wed, 28 Aug 2013 11:54:50 +0200

> From: Li Hongjun <hongjun.li@...nd.com>
> 
> Since commit 3d7b46cd20e3 (ip_tunnel: push generic protocol handling to
> ip_tunnel module.), an Oops is triggered when an xfrm policy is configured on
> an IPv4 over IPv4 tunnel.
> 
> xfrm4_policy_check() calls __xfrm_policy_check2(), which uses skb_dst(skb). But
> this field is NULL because iptunnel_pull_header() calls skb_dst_drop(skb).
> 
> Signed-off-by: Li Hongjun <hongjun.li@...nd.com>
> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>

Applied, thanks everyone.
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