From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: Re: net: use-after-free in recvmmsg Date: Thu, 10 Mar 2016 16:31:07 -0300 Message-ID: <20160310193107.GA2976@redhat.com> References: <20160122211644.GC2470@redhat.com> <20160126193056.GA3986@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: "David S. Miller" , netdev , LKML , Eric Dumazet , syzkaller , Kostya Serebryany , Alexander Potapenko , Sasha Levin , Arnaldo Carvalho de Melo To: Dmitry Vyukov Return-path: Received: from mx1.redhat.com ([209.132.183.28]:40695 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752847AbcCJTbK (ORCPT ); Thu, 10 Mar 2016 14:31:10 -0500 Content-Disposition: inline In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: Em Thu, Mar 10, 2016 at 07:35:57PM +0100, Dmitry Vyukov escreveu: > On Tue, Jan 26, 2016 at 8:30 PM, Arnaldo Carvalho de Melo > wrote: > > Em Tue, Jan 26, 2016 at 08:27:48PM +0100, Dmitry Vyukov escreveu: > >> On Fri, Jan 22, 2016 at 10:16 PM, Arnaldo Carvalho de Melo wrote: > >> > Em Fri, Jan 22, 2016 at 09:39:53PM +0100, Dmitry Vyukov escreveu: > >> >> I am on commit 30f05309bde49295e02e45c7e615f73aa4e0ccc2 (Jan 20). > >> >> Seems to be added in commit a2e2725541fad72416326798c2d7fa4dafb7d337 > >> >> (Oct 2009). > >> > > >> > Maybe this helps? Compile testing now... > >> > >> > >> I don't have a reliable reproducer, so can't test it per se. > >> I will integrate this patch tomorrow and restart fuzzer with it. > > > > Thanks a lot! > > Hi Arnaldo, > > I am running with that patch since then, and did not see the bug. > Please mail it as a proper patch. Thanks, and I'll add a: Reported-and-Tested-by: Dmitry Vyukov Ok? - Arnaldo