linux-kernel - Re: [PATCH v3,net-next] ip6_gre: fix a pontential issue in ip6erspan

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Message-Id: <20171220.135241.824814826645452282.davem@davemloft.net>
Date:   Wed, 20 Dec 2017 13:52:41 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     yanhaishuang@...s.chinamobile.com
Cc:     kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        u9012063@...il.com
Subject: Re: [PATCH v3,net-next] ip6_gre: fix a pontential issue in
 ip6erspan_rcv

From: Haishuang Yan <yanhaishuang@...s.chinamobile.com>
Date: Wed, 20 Dec 2017 09:53:19 +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@...il.com>
> Acked-by: William Tu <u9012063@...il.com>
> Signed-off-by: Haishuang Yan <yanhaishuang@...s.chinamobile.com>
> 
> ---
> Change since v3:
>   * Rebase on latest master branch.
>   * Fix wrong commit information.

Applied.