From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750876Ab0IEFmF (ORCPT ); Sun, 5 Sep 2010 01:42:05 -0400 Received: from adelie.canonical.com ([91.189.90.139]:47613 "EHLO adelie.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750711Ab0IEFmE (ORCPT ); Sun, 5 Sep 2010 01:42:04 -0400 Message-ID: <4C832DA6.8070707@canonical.com> Date: Sat, 04 Sep 2010 22:41:58 -0700 From: John Johansen Organization: Canonical User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); en-US; rv:1.9.2.8) Gecko/20100802 Thunderbird/3.1.2 MIME-Version: 1.0 To: Jiri Slaby CC: James Morris , LKML Subject: Re: apparmor: double lock References: <4C823419.6050906@gmail.com> In-Reply-To: <4C823419.6050906@gmail.com> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/04/2010 04:57 AM, Jiri Slaby wrote: > Hi, > > stanse found that you possibly double lock ns->lock: > aa_remove_profiles > -> write_lock(&ns->lock) > -> __remove_namespace(ns) > -> destroy_namespace(ns) > -> write_lock(&ns->lock) > > Could you fix that if that may happen at all? > Yes, thanks Jiri, the patch has already been posted http://marc.info/?l=linux-kernel&m=128295924407596&w=2 john