From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [Bugme-new] [Bug 38102] New: BUG kmalloc-2048: Poison overwritten Date: Thu, 07 Jul 2011 11:52:11 +0200 Message-ID: <1310032331.2127.8.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> References: <1309882352.2271.19.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <20110705164202.GD2959@hmsreliant.think-freely.org> <1309884441.2271.34.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <20110705180650.GF2959@hmsreliant.think-freely.org> <1309889634.2545.2.camel@edumazet-laptop> <1309890775.2545.17.camel@edumazet-laptop> <1309891516.2545.23.camel@edumazet-laptop> <20110705195353.GG2959@hmsreliant.think-freely.org> <1309896147.2545.28.camel@edumazet-laptop> <1309896940.2545.34.camel@edumazet-laptop> <20110705220644.GB12118@hmsreliant.think-freely.org> <20110706173243.404d8599@maggie> <1309971379.2292.64.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> <1310021286.2481.36.camel@edumazet-laptop> <1310030439.2127.4.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Michael =?ISO-8859-1?Q?B=FCsch?= , Neil Horman , Andrew Morton , netdev@vger.kernel.org, Gary Zambrano , bugme-daemon@bugzilla.kernel.org, "David S. Miller" , Pekka Pietikainen , Florian Schirmer , Felix Fietkau , Michael Buesch To: Alexey Zaytsev Return-path: Received: from mail-ww0-f44.google.com ([74.125.82.44]:47055 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752456Ab1GGJwY (ORCPT ); Thu, 7 Jul 2011 05:52:24 -0400 Received: by wwe5 with SMTP id 5so775659wwe.1 for ; Thu, 07 Jul 2011 02:52:23 -0700 (PDT) In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: Le jeudi 07 juillet 2011 =C3=A0 13:43 +0400, Alexey Zaytsev a =C3=A9cri= t : > Ok, I've wrongly fixed this part in the clean b44.c, and got stalls. > Then fixed the patched one after applying the stash, and still got th= e > stalls. So, filling NULL to 'should not be used slots' definitely removes the memory corruption, but also stalls the NIC. Driver model is completely wrong. Without full hardware specs, this wil= l be hard to guess appropriate fixes.