From mboxrd@z Thu Jan 1 00:00:00 1970 From: Breno Leitao Subject: Re: [PATCH] ehea: fix use after free Date: Wed, 27 Oct 2010 14:05:35 -0200 Message-ID: <4CC84DCF.1070806@linux.vnet.ibm.com> References: <1288116213-11801-1-git-send-email-leitao@linux.vnet.ibm.com> <1288118920.2652.4.camel@edumazet-laptop> <1288156867.2652.127.camel@edumazet-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: davem@davemloft.net, netdev@vger.kernel.org To: Eric Dumazet Return-path: Received: from e24smtp05.br.ibm.com ([32.104.18.26]:57365 "EHLO e24smtp05.br.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761279Ab0J0QFp (ORCPT ); Wed, 27 Oct 2010 12:05:45 -0400 Received: from d24relay01.br.ibm.com (d24relay01.br.ibm.com [9.8.31.16]) by e24smtp05.br.ibm.com (8.14.4/8.13.1) with ESMTP id o9RFwgEj006061 for ; Wed, 27 Oct 2010 13:58:42 -0200 Received: from d24av05.br.ibm.com (d24av05.br.ibm.com [9.18.232.44]) by d24relay01.br.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id o9RG4adP966838 for ; Wed, 27 Oct 2010 13:04:40 -0300 Received: from d24av05.br.ibm.com (loopback [127.0.0.1]) by d24av05.br.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id o9RG5Zfl023391 for ; Wed, 27 Oct 2010 14:05:35 -0200 In-Reply-To: <1288156867.2652.127.camel@edumazet-laptop> Sender: netdev-owner@vger.kernel.org List-ID: > [PATCH] ehea: fix use after free > > ehea_start_xmit() dereferences skb after its freeing in ehea_xmit3() to > get vlan tags. > > Move the offending block before the potential ehea_xmit3() call. > > Signed-off-by: Eric Dumazet Signed-off-by: Breno Leitao