From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] 8021q: fix a potential use-after-free Date: Sun, 24 Mar 2013 17:27:56 -0400 (EDT) Message-ID: <20130324.172756.1733514118551455926.davem@davemloft.net> References: <1363938600-26129-1-git-send-email-amwang@redhat.com> <1364015648-4195-1-git-send-email-amwang@redhat.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, kaber@trash.net To: amwang@redhat.com Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:43991 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755077Ab3CXV15 (ORCPT ); Sun, 24 Mar 2013 17:27:57 -0400 In-Reply-To: <1364015648-4195-1-git-send-email-amwang@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Cong Wang Date: Sat, 23 Mar 2013 13:14:07 +0800 > From: Cong Wang > > vlan_vid_del() could possibly free ->vlan_info after a RCU grace > period, however, we may still refer to the freed memory area > by 'grp' pointer. Found by code inspection. > > This patch moves vlan_vid_del() as behind as possible. > > Cc: Patrick McHardy > Cc: "David S. Miller" > Signed-off-by: Cong Wang Applied.