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=-0.4 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 7A4F9C5DF62 for ; Wed, 6 Nov 2019 07:27:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 389FD2084D for ; Wed, 6 Nov 2019 07:27:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729816AbfKFH1C (ORCPT ); Wed, 6 Nov 2019 02:27:02 -0500 Received: from mail-io1-f70.google.com ([209.85.166.70]:42978 "EHLO mail-io1-f70.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729787AbfKFH1C (ORCPT ); Wed, 6 Nov 2019 02:27:02 -0500 Received: by mail-io1-f70.google.com with SMTP id w1so17510960ioj.9 for ; Tue, 05 Nov 2019 23:27:01 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=NYZBN2qq6yyZ8/rwJcWC5cQMVkLTLOTvsfT7QODO4L4=; b=ggzH4c+6eGP+auEHf94LRAZu1JUzUJ0ZB9KarHPlevqu9d1b3lGVSs39hMjT/+Yv1q uRBCQpQuxHzecr4fovUXNWowx1wK+w+uIKMk2hAZ68xBHuNfFjHZo3HibchiQ8HI1l+F A0H0FftBsv1fcaY5GQCJfB23Z82iO2DDECkpEwyN+/t4pg/svHK2vZQnSwe1v/hvRBjv rssRAF1i+Khw23s/cVhLMPS1Yd9UqYdtGpDjaDrkLa6fKuyWo16UUeiHN6ovPaAy1tYS Xl9buJodmI9A6p/0brwFrACZ4aqtK0lagZ5Udt2WkvGWAhJvFno+I+PwnyJC711IP2U+ TBTA== X-Gm-Message-State: APjAAAWD0sdYNKl50pG/QNXpvzKea+3Mat8aJGS6tFsAgQ5bDowgLSEd 8XwBoZLio9C27aWYpwp59dtgL/SRYYvhYqfftJzSZbwKzSSu X-Google-Smtp-Source: APXvYqyd5FMJZ30orhu9VqKFCYkocrvkw/KRPvt/6hEEuXDUTOVp4lK7oLQ6TTlI9LlVVvYppYwsRyiSWDBpBRBhmASMZ1QlV/mc MIME-Version: 1.0 X-Received: by 2002:a92:1b1c:: with SMTP id b28mr1150609ilb.278.1573025221369; Tue, 05 Nov 2019 23:27:01 -0800 (PST) Date: Tue, 05 Nov 2019 23:27:01 -0800 In-Reply-To: <00000000000047580205969ee89b@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000008aea290596a8795e@google.com> Subject: Re: general protection fault in j1939_sk_sendmsg From: syzbot To: bst@pengutronix.de, davem@davemloft.net, dev.kurt@vandijck-laurijssen.be, ecathinds@gmail.com, kernel@pengutronix.de, linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, linux@rempel-privat.de, lkp@intel.com, maxime.jayat@mobile-devices.fr, mkl@pengutronix.de, netdev@vger.kernel.org, o.rempel@pengutronix.de, robin@protonic.nl, socketcan@hartkopp.net, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org syzbot has bisected this bug to: commit 9d71dd0c70099914fcd063135da3c580865e924c Author: The j1939 authors Date: Mon Oct 8 09:48:36 2018 +0000 can: add support of SAE J1939 protocol bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15874852e00000 start commit: a99d8080 Linux 5.4-rc6 git tree: upstream final crash: https://syzkaller.appspot.com/x/report.txt?x=17874852e00000 console output: https://syzkaller.appspot.com/x/log.txt?x=13874852e00000 kernel config: https://syzkaller.appspot.com/x/.config?x=8c5e2eca3f31f9bf dashboard link: https://syzkaller.appspot.com/bug?extid=7044ea77452b6f92b4fd syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15a99e8ae00000 Reported-by: syzbot+7044ea77452b6f92b4fd@syzkaller.appspotmail.com Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") For information about bisection process see: https://goo.gl/tpsmEJ#bisection