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=-0.7 required=3.0 tests=FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=unavailable 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 E7994C282D7 for ; Wed, 30 Jan 2019 18:53:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C6C062184D for ; Wed, 30 Jan 2019 18:53:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387482AbfA3Sxq (ORCPT ); Wed, 30 Jan 2019 13:53:46 -0500 Received: from mail-it1-f200.google.com ([209.85.166.200]:44787 "EHLO mail-it1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729372AbfA3SxF (ORCPT ); Wed, 30 Jan 2019 13:53:05 -0500 Received: by mail-it1-f200.google.com with SMTP id x82so442531ita.9 for ; Wed, 30 Jan 2019 10:53:04 -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:message-id:subject:from:to; bh=mt+8QDwGdQHkFcSQ1U/++Iz39xm6+iQbVchpWXR7CTc=; b=D4wkI75ATJ5/szDFrsrxuJYtwMsGU+FYjLfSVvMTh5XRDiT/Drg/xpblXm/hwfbMrJ Zesu4gOSW9a5JYHQjHCZrPPQuwYGoWz0b0LvLk1+sjNJmDKSbSSY/bBwWx287tslyPRv WwaQLs39ESvNarJa5FdeGUsbExLXDSJsVbmdN8Ps6Z5o9tr/wg39AoRiot5URfSI4kze KORhDmkJMK1wo8sfPYRIKnLR5cWTQlvY0BfysGkUDzW7isUzzbrAClsoqHC7wZf9sw1V a3r5Cm4EWhNUM6x8alW1HSQTm9PtyTJeeHKLLzkBncXhYZ68d816q4cAhEePK9zuEC97 bOCw== X-Gm-Message-State: AHQUAuaqd0DGSVR02aVjMScLY2Z9zu4xufrgRtAsIeO8tKIAxfKoXQdv 4RRgRXHuNHeaWIyAp7mNsh6vh5UINQgRvpcma6QWkFAoH7Wu X-Google-Smtp-Source: AHgI3IaUM0XDRuqf2MYE5GUi/Ag5vOzU+VmtibanLglIghES2sC9vE34N3Qd14t3TXWOUuElzlev9M9kt5HvmSu+7b0ozuSjrELZ MIME-Version: 1.0 X-Received: by 2002:a5e:a70c:: with SMTP id b12mr1066746iod.26.1548874384418; Wed, 30 Jan 2019 10:53:04 -0800 (PST) Date: Wed, 30 Jan 2019 10:53:04 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007c36aa0580b16b56@google.com> Subject: WARNING in strp_done (2) From: syzbot To: ast@kernel.org, daniel@iogearbox.net, davejwatson@fb.com, davem@davemloft.net, doronrk@fb.com, kafai@fb.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, vakul.garg@nxp.com, yhs@fb.com, yuehaibing@huawei.com Content-Type: text/plain; charset="UTF-8"; format=flowed; delsp=yes Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following crash on: HEAD commit: 02495e76ded5 Add linux-next specific files for 20190130 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=16a00c2f400000 kernel config: https://syzkaller.appspot.com/x/.config?x=a2b2e9c0bc43c14d dashboard link: https://syzkaller.appspot.com/bug?extid=ea38a133bb90dd367b6e compiler: gcc (GCC) 9.0.0 20181231 (experimental) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14b059ef400000 IMPORTANT: if you fix the bug, please add the following tag to the commit: Reported-by: syzbot+ea38a133bb90dd367b6e@syzkaller.appspotmail.com IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready WARNING: CPU: 0 PID: 7927 at net/strparser/strparser.c:526 strp_done+0xca/0xf0 net/strparser/strparser.c:526 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7927 Comm: kworker/0:3 Not tainted 5.0.0-rc4-next-20190130 #22 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events sk_psock_destroy_deferred Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x48 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:strp_done+0xca/0xf0 net/strparser/strparser.c:526 Code: 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 75 31 48 c7 43 18 00 00 00 00 e8 82 bc 40 fa 5b 41 5c 41 5d 5d c3 e8 76 bc 40 fa <0f> 0b eb 81 e8 1d 7e 85 fa e9 5c ff ff ff 4c 89 e7 e8 70 7e 85 fa RSP: 0018:ffff88808a7a7900 EFLAGS: 00010293 RAX: ffff88808f9343c0 RBX: ffff8880a7fa9240 RCX: ffffffff87415c5a RDX: 0000000000000000 RSI: ffffffff87415cda RDI: 0000000000000001 RBP: ffff88808a7a7918 R08: ffff88808f9343c0 R09: ffffed1015cc5b80 R10: ffffed1015cc5b7f R11: ffff8880ae62dbfb R12: 0000000000000001 R13: 1ffff110114f4f71 R14: ffff8880a7fa9200 R15: ffff88809fda3e00 sk_psock_destroy_deferred+0x8b/0x7f0 net/core/skmsg.c:557 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:247 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 Kernel Offset: disabled Rebooting in 86400 seconds.. --- This bug 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 bug report. See: https://goo.gl/tpsmEJ#bug-status-tracking for how to communicate with syzbot. syzbot can test patches for this bug, for details see: https://goo.gl/tpsmEJ#testing-patches