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=-3.7 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 BC7AFC433E7 for ; Wed, 14 Oct 2020 20:12:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 64E6322249 for ; Wed, 14 Oct 2020 20:12:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726111AbgJNUM1 (ORCPT ); Wed, 14 Oct 2020 16:12:27 -0400 Received: from mail-il1-f198.google.com ([209.85.166.198]:53255 "EHLO mail-il1-f198.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729351AbgJNUMZ (ORCPT ); Wed, 14 Oct 2020 16:12:25 -0400 Received: by mail-il1-f198.google.com with SMTP id y62so438849ilk.20 for ; Wed, 14 Oct 2020 13:12:25 -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=ZLqt1UpRUwK/Bql5Ec5YoZrFqRNYNU4KAg7xCCqmdwQ=; b=p5J6eDzCKtFhGlDf6Wx4+Gpp2z7h6XxuU9cvUiLb3gVZKJ+oD5RholL/9fHOKZ4fYe dw9p2qN3nAX1865zrAm6QI6tdhqatb+NGkkODDvoF2JFNPcYB0KQeqknHJyvSwICoyvg Mek32JSwg3QDd3JaBfy/+4BU01aSU8R8SoEeghQuGNGbi59GHe0qD/ybGDe6rQj7RBzq Mk53qEJlFDsQ+Bi/lI5UPxuMODRb7vCEUPSvgFGing1aVw6AdpkbA0RzElD3io+xEyxD 9YLgHNZOQG3Z/TNFI0V8CTQdYG91SLfAxgO2QqzvID3/+dcYmqbDrU0i587upD7eCT8E nanA== X-Gm-Message-State: AOAM532S/l7ndUH5ia79oybvVD1m/n2lk+X0X1OQjBj87ANQ1lSTYHdv 77M4YbHrIvnX8k4ykYazB1mJOKu0jlkB3Gq87DElvgt87CD9 X-Google-Smtp-Source: ABdhPJxR+POVgkRU33sfd3o8cAVRuOAMkOC7Q8+fAJGjOWJXjct2adepJ/QSzxTRU9t52+u9H1+irchbsPxPLgOs64WxOBu6520J MIME-Version: 1.0 X-Received: by 2002:a92:2602:: with SMTP id n2mr817035ile.82.1602706344803; Wed, 14 Oct 2020 13:12:24 -0700 (PDT) Date: Wed, 14 Oct 2020 13:12:24 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000005c841705b1a7266a@google.com> Subject: kernel panic: Fatal exception (3) From: syzbot To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: c77fb07f Merge branch 'netlink-export-policy-on-validation.. git tree: net-next console output: https://syzkaller.appspot.com/x/log.txt?x=1722ff00500000 kernel config: https://syzkaller.appspot.com/x/.config?x=fa2bf4058104211 dashboard link: https://syzkaller.appspot.com/bug?extid=ec762a6342ad0d3c0d8f compiler: gcc (GCC) 10.1.0-syz 20200507 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1281459f900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=175556f0500000 Bisection is inconclusive: the issue happens on the oldest tested release. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11932b48500000 final oops: https://syzkaller.appspot.com/x/report.txt?x=13932b48500000 console output: https://syzkaller.appspot.com/x/log.txt?x=15932b48500000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+ec762a6342ad0d3c0d8f@syzkaller.appspotmail.com FS: 0000000000000000(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004c9428 CR3: 0000000009e8d000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Kernel panic - not syncing: Fatal exception in interrupt 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