From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B742BCA9EA0 for ; Fri, 25 Oct 2019 06:11:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9161221929 for ; Fri, 25 Oct 2019 06:11:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2404512AbfJYGLz (ORCPT ); Fri, 25 Oct 2019 02:11:55 -0400 Received: from Chamillionaire.breakpoint.cc ([193.142.43.52]:38820 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404448AbfJYGLy (ORCPT ); Fri, 25 Oct 2019 02:11:54 -0400 Received: from fw by Chamillionaire.breakpoint.cc with local (Exim 4.92) (envelope-from ) id 1iNsp8-0000Se-02; Fri, 25 Oct 2019 08:11:46 +0200 Date: Fri, 25 Oct 2019 08:11:45 +0200 From: Florian Westphal To: syzbot Cc: coreteam@netfilter.org, davem@davemloft.net, dhowells@redhat.com, fw@strlen.de, kadlec@netfilter.org, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, netfilter-devel@vger.kernel.org, pablo@netfilter.org, syzkaller-bugs@googlegroups.com Subject: Re: KASAN: use-after-free Read in nf_ct_deliver_cached_events Message-ID: <20191025061145.GX25052@breakpoint.cc> References: <00000000000074bc3105958042ef@google.com> <000000000000aecf020595b4762f@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <000000000000aecf020595b4762f@google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot wrote: > syzbot has bisected this bug to: > > commit 2341e0775747864b684abe8627f3d45b167f2940 > Author: David Howells > Date: Thu Jun 9 22:02:51 2016 +0000 > > rxrpc: Simplify connect() implementation and simplify sendmsg() op > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12f869df600000 Looks like 5.2 and earlier crash with a different backtrace than original. Proposed patch for this netfilter splat is: https://patchwork.ozlabs.org/patch/1181533/