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=-4.0 required=3.0 tests=BAYES_00,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 2ECC2C433E8 for ; Sat, 25 Jul 2020 21:14:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 12B83206D8 for ; Sat, 25 Jul 2020 21:14:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727912AbgGYVOW (ORCPT ); Sat, 25 Jul 2020 17:14:22 -0400 Received: from mail-il1-f199.google.com ([209.85.166.199]:40632 "EHLO mail-il1-f199.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727039AbgGYVOV (ORCPT ); Sat, 25 Jul 2020 17:14:21 -0400 Received: by mail-il1-f199.google.com with SMTP id z16so8336768ill.7 for ; Sat, 25 Jul 2020 14:14:21 -0700 (PDT) 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:message-id:subject:from:to; bh=RR2rBMRIhoVnBh2/IDbk8Pxz2UD4I7U6z2AQsbGVjQ8=; b=lDyZxngICOGlcetDS+5dkzkDWk7YfnOBOz8z8pfgz83oPd6LwmEtBs+7H9+HSLzlPm zQ2Krt6cK7M9JvGJJAVVXsSViv+DHULtpFWTEmyInX4jvfOjBvIwBK5FW5KUwGyprap3 pLSJMiCH+nYZc/p+BFYPE8m109zEn5LT95wRaYMB7EVAoUhbCVW/LXetkiMHksBj3ntU M+nCRs4lZQCNmYZ9rS2kUN1+u9ThuCbswyFFpeJkk3Sl9u6OESNxq0zoFZTz3SiTzMDs ftwLVSyO3uEogg/Ja5d5l7D0dgcX4vAJc8viegpt9xH2C6PewcgJnF0vx1JFKyTOSLzy AVnw== X-Gm-Message-State: AOAM532NuLO6OBpSBkWB0s9aZM5JLEFS+25Ky8vhtrWA6oG1N51LPRv1 ZbjdrU1A2czXWJv1PkqWGCOdpYaHxDjYG/CGZJaxJG3k+zme X-Google-Smtp-Source: ABdhPJyFsM4vKClkP+7lAeSAHenJXf89tfl+5bRGYOUos7TmmRFvi4xcxtTJRbSaWRQkED0770pdLF11oCA+Xa5O1yGGXAtOKRKh MIME-Version: 1.0 X-Received: by 2002:a02:cb97:: with SMTP id u23mr17604058jap.113.1595711660740; Sat, 25 Jul 2020 14:14:20 -0700 (PDT) Date: Sat, 25 Jul 2020 14:14:20 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000b3d57405ab4a9270@google.com> Subject: kernel panic: Fatal exception (2) From: syzbot To: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: de2e69cf Add linux-next specific files for 20200721 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=10e0f437100000 kernel config: https://syzkaller.appspot.com/x/.config?x=a18f913b3827a63a dashboard link: https://syzkaller.appspot.com/bug?extid=c05fb1e489a39618f063 compiler: gcc (GCC) 10.1.0-syz 20200507 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16aaaa44900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=16eee678900000 Bisection is inconclusive: the issue happens on the oldest tested release. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=110e6b7f100000 final oops: https://syzkaller.appspot.com/x/report.txt?x=130e6b7f100000 console output: https://syzkaller.appspot.com/x/log.txt?x=150e6b7f100000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+c05fb1e489a39618f063@syzkaller.appspotmail.com R10: 0000000000000000 R11: 0000000000063688 R12: ffff88809f129000 R13: ffff8880a47e5000 R14: 0000000000008000 R15: ffffffff889943e0 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004553d0 CR3: 000000009cd20000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Kernel panic - not syncing: Fatal exception Kernel Offset: disabled Rebooting in 86400 seconds.. --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. For information about bisection process see: https://goo.gl/tpsmEJ#bisection syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches