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=-9.0 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 1D65BC433DF for ; Sat, 1 Aug 2020 18:55:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 030122076C for ; Sat, 1 Aug 2020 18:55:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726808AbgHASzW (ORCPT ); Sat, 1 Aug 2020 14:55:22 -0400 Received: from mail-il1-f197.google.com ([209.85.166.197]:38132 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725939AbgHASzV (ORCPT ); Sat, 1 Aug 2020 14:55:21 -0400 Received: by mail-il1-f197.google.com with SMTP id t79so21844482ild.5 for ; Sat, 01 Aug 2020 11:55:20 -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=qQIA2QYUDlIkIkoCeDn3ShR5eJP9B1EyOlqL+wH8+eg=; b=f7k8Sx3ottF7FZSIbpsuSp4awPqxgAX+SsYGjrrbcisCwvPQJuwX+dePbThL8yllaD UDX8254iRdteKSewil/kPYldtXGrawlyy7qdkeBl0/G8M5oG5dAJanWO+B8Oj7u+ew5f SFnZ1Th/7nIg2xiVxDWtyy+tlO/9sgH0LX/+/vD6ioDGb98v6dOn9wCjGO9Oxnx8c9/H I805pYBE2pfynNZHxEaauhI7nn0tNhulcQO5U6z1qHzEG7VWzzAqXxm8Ms4Cw9NAGXCp AaD2OXg3iOhRb1JD63c4x/RjuPYf6zkH7RNE1Jp4WRbUg02MLzhOFyos/4eW3Uj5olPq tl1A== X-Gm-Message-State: AOAM530Udqr8odB65kXaHavMeLefz7mn6BARaXFd8cBqaEI71BVLQRA0 3RZezYZjHD/WfQJA2q9NiogFx0L+7ENonpM2xJC9FlnwbX0z X-Google-Smtp-Source: ABdhPJyAnxuWi0Ar7UbGU8cFxZxOdqtZIrd/H1i1Lo4eIUgzWQ+QRZgqjc2PIeKovrr2D9XmJyB9FwIQP4/m6yOXch6deouJO2cF MIME-Version: 1.0 X-Received: by 2002:a92:ad01:: with SMTP id w1mr10198997ilh.301.1596308120160; Sat, 01 Aug 2020 11:55:20 -0700 (PDT) Date: Sat, 01 Aug 2020 11:55:20 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000007450a405abd572a8@google.com> Subject: WARNING in hci_conn_timeout From: syzbot To: davem@davemloft.net, johan.hedberg@gmail.com, kuba@kernel.org, linux-bluetooth@vger.kernel.org, linux-kernel@vger.kernel.org, marcel@holtmann.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 7dc6fd0f Merge branch 'i2c/for-current' of git://git.kerne.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=12a70832900000 kernel config: https://syzkaller.appspot.com/x/.config?x=e59ee776d5aa8d55 dashboard link: https://syzkaller.appspot.com/bug?extid=2446dd3cb07277388db6 compiler: clang version 10.0.0 (https://github.com/llvm/llvm-project/ c2443155a0fb245c8f17f2c1c72b6ea391e86e81) syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13f781d4900000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=116a0c14900000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2446dd3cb07277388db6@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 6953 at net/bluetooth/hci_conn.c:412 hci_conn_timeout+0x20f/0x290 net/bluetooth/hci_conn.c:412 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 6953 Comm: kworker/u5:2 Not tainted 5.8.0-rc7-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: hci0 hci_conn_timeout Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1f0/0x31e lib/dump_stack.c:118 panic+0x264/0x7a0 kernel/panic.c:231 __warn+0x227/0x250 kernel/panic.c:600 report_bug+0x1b1/0x2e0 lib/bug.c:198 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:235 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:255 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:540 RIP: 0010:hci_conn_timeout+0x20f/0x290 net/bluetooth/hci_conn.c:412 Code: c7 50 4d 8d 89 e8 71 d0 5f fa 48 8b 35 6a 7c 39 02 bf 40 00 00 00 4c 89 f2 5b 41 5c 41 5e 41 5f e9 46 69 f8 f9 e8 61 c1 20 fa <0f> 0b e9 5c fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 1a fe ff RSP: 0018:ffffc90001577cc8 EFLAGS: 00010293 RAX: ffffffff8753d0ff RBX: 00000000ffffffff RCX: ffff888092948440 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000 RBP: ffff8880a9b7b008 R08: ffffffff8753cf3b R09: ffffed1010da5003 R10: ffffed1010da5003 R11: 0000000000000000 R12: ffff8880a7290d00 R13: ffff8880a7290d18 R14: ffff888086d28128 R15: dffffc0000000000 process_one_work+0x789/0xfc0 kernel/workqueue.c:2269 worker_thread+0xaa4/0x1460 kernel/workqueue.c:2415 kthread+0x37e/0x3a0 drivers/block/aoe/aoecmd.c:1234 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:293 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. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches