Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755956AbZDNSE2 (ORCPT ); Tue, 14 Apr 2009 14:04:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752796AbZDNSET (ORCPT ); Tue, 14 Apr 2009 14:04:19 -0400 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:52850 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752611AbZDNSES (ORCPT ); Tue, 14 Apr 2009 14:04:18 -0400 Date: Tue, 14 Apr 2009 19:05:04 +0100 From: Alan Cox To: Hugh Dickins Cc: Tetsuo Handa , arjan@linux.intel.com, gregkh@suse.de, jmorris@namei.org, hooanon05@yahoo.co.jp, linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org Subject: Re: current->mm == NULL in security_vm_enough_memory(). Message-ID: <20090414190504.6f416323@lxorguk.ukuu.org.uk> In-Reply-To: References: <200903260130.n2Q1U9EJ040448@www262.sakura.ne.jp> <200904092105.HBG52601.MHFOtQOLSVFOFJ@I-love.SAKURA.ne.jp> <200904132127.FBG30222.OOFFtQLJFOHSMV@I-love.SAKURA.ne.jp> X-Mailer: Claws Mail 3.7.0 (GTK+ 2.14.7; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 620 Lines: 12 > Thanks for doing the bisection: perhaps that commit just changed timings. As a PS: I'd still like to understand why this is timing sensitive and what has happened. We have other cases where khelper and the like mysteriously acquiring an mm might be had so it would be good to understand if this is a race between init/khelper setup as to whether it gets an mm and cloned. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/