From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751285AbWDEREg (ORCPT ); Wed, 5 Apr 2006 13:04:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751287AbWDEREg (ORCPT ); Wed, 5 Apr 2006 13:04:36 -0400 Received: from zeniv.linux.org.uk ([195.92.253.2]:54713 "EHLO ZenIV.linux.org.uk") by vger.kernel.org with ESMTP id S1751285AbWDEREf (ORCPT ); Wed, 5 Apr 2006 13:04:35 -0400 Date: Wed, 5 Apr 2006 18:04:34 +0100 From: Al Viro To: Jon Smirl Cc: gregkh@suse.de, linux-kernel@vger.kernel.org, stable@kernel.org Subject: Re: [patch 03/26] sysfs: zero terminate sysfs write buffers (CVE-2006-1055) Message-ID: <20060405170434.GM27946@ftp.linux.org.uk> References: <20060404235634.696852000@quad.kroah.org> <20060404235947.GD27049@kroah.com> <20060405190928.17b9ba6a.vsu@altlinux.ru> <20060405152123.GH27946@ftp.linux.org.uk> <9e4733910604050838g339d48cao4e0f8582f6d90187@mail.gmail.com> <20060405153957.GI27946@ftp.linux.org.uk> <9e4733910604050843h3f6d0cdai8bfa3888b645c9b3@mail.gmail.com> <20060405154629.GJ27946@ftp.linux.org.uk> <9e4733910604050918s72fc16acla569c6f244e01b9e@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <9e4733910604050918s72fc16acla569c6f244e01b9e@mail.gmail.com> User-Agent: Mutt/1.4.1i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 05, 2006 at 12:18:07PM -0400, Jon Smirl wrote: > On 4/5/06, Al Viro wrote: > > On Wed, Apr 05, 2006 at 11:43:15AM -0400, Jon Smirl wrote: > > > > How about _NOT_ using sysfs and just having ->read()/->write() on a file in fs ~~~~~ > > ^^^^^^^^^^^^^^^^^ > > Where does this file come from? A device node? > > > > > > of your own? ~20 lines for all of it, not counting #include... ~~~~~~~~~~~ Are you really incapable of understanding a simple sentence?