From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750814AbWCHJVE (ORCPT ); Wed, 8 Mar 2006 04:21:04 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750982AbWCHJVE (ORCPT ); Wed, 8 Mar 2006 04:21:04 -0500 Received: from pentafluge.infradead.org ([213.146.154.40]:489 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S1750814AbWCHJVD (ORCPT ); Wed, 8 Mar 2006 04:21:03 -0500 Subject: Re: [PATCH] Prevent NULL pointer deref in grab_swap_token From: Arjan van de Ven To: Dean Roe Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, riel@redhat.com In-Reply-To: <20060307211344.GA2946@sgi.com> References: <20060307211344.GA2946@sgi.com> Content-Type: text/plain Date: Wed, 08 Mar 2006 10:20:57 +0100 Message-Id: <1141809658.3050.25.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 2006-03-07 at 15:13 -0600, Dean Roe wrote: > grab_swap_token() assumes that the current process has an mm struct, > which is not true for kernel threads invoking get_user_pages(). well WHICH user ? ;)