From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759307AbaJaMYR (ORCPT ); Fri, 31 Oct 2014 08:24:17 -0400 Received: from mail-ie0-f182.google.com ([209.85.223.182]:35448 "EHLO mail-ie0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758015AbaJaMYQ (ORCPT ); Fri, 31 Oct 2014 08:24:16 -0400 Message-ID: <1414758253.499.8.camel@edumazet-glaptop2.roam.corp.google.com> Subject: Re: [PATCH] virtio_net: fix use after free From: Eric Dumazet To: Jason Wang Cc: "Michael S. Tsirkin" , linux-kernel@vger.kernel.org, "David S. Miller" , Rusty Russell , virtualization@lists.linux-foundation.org, netdev@vger.kernel.org Date: Fri, 31 Oct 2014 05:24:13 -0700 In-Reply-To: <5453270F.3090300@redhat.com> References: <1413378878-28118-1-git-send-email-mst@redhat.com> <1414726609.499.6.camel@edumazet-glaptop2.roam.corp.google.com> <5453270F.3090300@redhat.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2014-10-31 at 14:07 +0800, Jason Wang wrote: > Since they are called before the possible free_old_xmit_skbs(), skb > won't get freed at this time. Oh right, I forgot there is no completion handler yet, timer based or whatever. Thanks.