From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754548AbZGJIwS (ORCPT ); Fri, 10 Jul 2009 04:52:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751064AbZGJIwD (ORCPT ); Fri, 10 Jul 2009 04:52:03 -0400 Received: from courier.cs.helsinki.fi ([128.214.9.1]:48186 "EHLO mail.cs.helsinki.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751044AbZGJIwD (ORCPT ); Fri, 10 Jul 2009 04:52:03 -0400 Subject: Re: [RFC][PATCH] Check write to slab memory which freed already using mudflap From: Pekka Enberg To: Ingo Molnar Cc: Janboe Ye , linux-kernel@vger.kernel.org, vegard.nossum@gmail.com, graydon@redhat.com, fche@redhat.com, npiggin@suse.de, cl@linux-foundation.org In-Reply-To: <20090710084745.GA26752@elte.hu> References: <1247156020.27671.40.camel@debian-nb> <84144f020907090944u51f60cbsc0a4ec2c2cbdcc8c@mail.gmail.com> <20090710084745.GA26752@elte.hu> Date: Fri, 10 Jul 2009 11:52:00 +0300 Message-Id: <1247215920.32044.3.camel@penberg-laptop> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 7bit X-Mailer: Evolution 2.24.3 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ingo, On Fri, 2009-07-10 at 10:47 +0200, Ingo Molnar wrote: > > > arch/arm/include/asm/elf.h | 1 + > > > arch/arm/kernel/module.c | 1 + > > > drivers/Makefile | 4 +- > > > include/mf-runtime.h | 42 ++++++++++++++ > > > kernel/Makefile | 2 +- > > > kernel/mudflap.c | 132 ++++++++++++++++++++++++++++++++++++++++++++ > > > lib/Kconfig.debug | 7 ++ > > > mm/slab.c | 53 ++++++++++++++++++ > > > 8 files changed, 240 insertions(+), 2 deletions(-) > > > > SLAB is (slowly) going away so you might want to port this to SLUB > > as well so we can merge both. > > and SLQB which will replace both? :-/ Well, I cannot really expect people to port patches to SLQB until it's in mainline. And whether SQLB will replace SLUB remains to be seen. We're still fixing minor issues here and there in SLUB so I have no reason to expect SLQB stabilization to happen overnight which means we're going to have SLUB in the tree for a while anyway. Pekka