From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH] netpoll: fix incorrect access to skb data in __netpoll_rx Date: Fri, 26 Aug 2011 12:50:28 -0400 (EDT) Message-ID: <20110826.125028.2169093589404100341.davem@davemloft.net> References: <1314375975.2563.8.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: eric.dumazet@gmail.com Return-path: Received: from shards.monkeyblade.net ([198.137.202.13]:58597 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754154Ab1HZQuc (ORCPT ); Fri, 26 Aug 2011 12:50:32 -0400 In-Reply-To: <1314375975.2563.8.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> Sender: netdev-owner@vger.kernel.org List-ID: From: Eric Dumazet Date: Fri, 26 Aug 2011 18:26:15 +0200 > __netpoll_rx() doesnt properly handle skbs with small header > > pskb_may_pull() or pskb_trim_rcsum() can change skb->data, we must > reload it. > > Signed-off-by: Eric Dumazet Applied, thanks Eric.