Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756354AbdLOTLP (ORCPT ); Fri, 15 Dec 2017 14:11:15 -0500 Received: from shards.monkeyblade.net ([184.105.139.130]:55304 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756078AbdLOTLL (ORCPT ); Fri, 15 Dec 2017 14:11:11 -0500 Date: Fri, 15 Dec 2017 14:11:10 -0500 (EST) Message-Id: <20171215.141110.526841119374252341.davem@davemloft.net> To: yanhaishuang@cmss.chinamobile.com Cc: kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, u9012063@gmail.com Subject: Re: [PATCH] ip6_gre: fix a pontential issue in ip6erspan_rcv From: David Miller In-Reply-To: <1513305998-20750-1-git-send-email-yanhaishuang@cmss.chinamobile.com> References: <1513305998-20750-1-git-send-email-yanhaishuang@cmss.chinamobile.com> X-Mailer: Mew version 6.7 on Emacs 25.3 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 15 Dec 2017 11:11:11 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 460 Lines: 12 From: Haishuang Yan 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 > Signed-off-by: Haishuang Yan The mentioned commit ID only exists in net-next, and this patch does not apply cleanly there.