Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750833AbWJVSLX (ORCPT ); Sun, 22 Oct 2006 14:11:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750816AbWJVSLX (ORCPT ); Sun, 22 Oct 2006 14:11:23 -0400 Received: from mx1.redhat.com ([66.187.233.31]:55686 "EHLO mx1.redhat.com") by vger.kernel.org with ESMTP id S1750833AbWJVSLW (ORCPT ); Sun, 22 Oct 2006 14:11:22 -0400 Date: Sun, 22 Oct 2006 14:11:02 -0400 From: Dave Jones To: Stefan Richter Cc: Michael Buesch , Greg KH , linux-kernel@vger.kernel.org Subject: Re: NULL pointer dereference in sysfs_readdir Message-ID: <20061022181102.GC27152@redhat.com> Mail-Followup-To: Dave Jones , Stefan Richter , Michael Buesch , Greg KH , linux-kernel@vger.kernel.org References: <4539DDC5.80207@s5r6.in-berlin.de> <200610212204.56772.mb@bu3sch.de> <453A8CA7.5070108@s5r6.in-berlin.de> <200610212325.18976.mb@bu3sch.de> <453B352A.5050700@s5r6.in-berlin.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <453B352A.5050700@s5r6.in-berlin.de> User-Agent: Mutt/1.4.2.2i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 787 Lines: 21 On Sun, Oct 22, 2006 at 11:08:58AM +0200, Stefan Richter wrote: > What if "next" became NULL afterwards? I know it's unlikely (but so is > the whole bug, given that we have just one reporter despite the bug's > age), but is it impossible? IOW does sysfs_readdir have any indirect > mutex protection? > > Dave, do you patch sysfs datatypes in FC's kernel, or types they include? Not that I recall. is untouched in the trees I just looked at (only have .18 ones handy right now) Dave -- http://www.codemonkey.org.uk - 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/