From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH] ip6_gre: fix a pontential issue in ip6erspan_rcv
Date: Fri, 15 Dec 2017 14:11:10 -0500 (EST)
Message-ID: <20171215.141110.526841119374252341.davem@davemloft.net>
References: <1513305998-20750-1-git-send-email-yanhaishuang@cmss.chinamobile.com>
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Cc: kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org,
        netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
        u9012063@gmail.com
To: yanhaishuang@cmss.chinamobile.com
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From: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>
Date: Fri, 15 Dec 2017 10:46:38 +0800

> pskb_may_pull() can change skb->data, so we need to load ipv6h/ershdr at
> the right place.
> 
> Fixes: 5a963eb61b7c ("ip6_gre: Add ERSPAN native tunnel support")
> Cc: William Tu <u9012063@gmail.com>
> Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com>

The mentioned commit ID only exists in net-next, and this patch does not apply
cleanly there.