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 709BEC433E3 for ; Fri, 7 Aug 2020 07:16:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A35D2177B for ; Fri, 7 Aug 2020 07:16:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726624AbgHGHQb (ORCPT ); Fri, 7 Aug 2020 03:16:31 -0400 Received: from mail-io1-f72.google.com ([209.85.166.72]:41361 "EHLO mail-io1-f72.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726428AbgHGHQY (ORCPT ); Fri, 7 Aug 2020 03:16:24 -0400 Received: by mail-io1-f72.google.com with SMTP id e12so981496ioc.8 for ; Fri, 07 Aug 2020 00:16:23 -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=OO3Q8CrVHRBuOi/YH4CBh0Wwl12/N/j2vjuXZ553ypI=; b=OrBFJm6yj8S5phRdXjn/7CBqqW1dWNorljAR7JuoR8bD5hO+y2myQItl8xNrZpgvYV 7f2sC7BvbzEXlShmS330IFDUT/CmDjO/lWAxzKP/TFkAvvM4r6zSqZxfoAm1UlYeznCr C+H/RvD//I4a4mj+a3nBt2gXQIJJRmgAANscTxCR1cNdDsTvjvNVGPM23qM0JaYAQ/iM 5cJQzowL4tAvztDjT+dI9Qcf03Y50cc/Ai4ZxJ60zGoTlVEotpaIYTTIrGPsGwuwxg4C bex5w9rEkwgA1ioM0mQa9Kk/5RLInJGGn/vW9bc7+Ro31agf9FmfA277lGDJZ3MjFH3I MFBA== X-Gm-Message-State: AOAM533WoXN67sd4Of+2jTzcmSr8XJlVHOP9GtW21Nt1DMJMX9UJu4T7 0sSGOvTzqtTijge5NnLehzTrbk+uxGKjNpjZyw4+n0ktbbDj X-Google-Smtp-Source: ABdhPJwEIVuxGhXN9XBU+72Oqwehxi/aQnjzwAa7mc9utApu36Le+7G9OqhYyrqGjB5wKOnma3Rh22T/vpSIEhtceZUEhd14Nbal MIME-Version: 1.0 X-Received: by 2002:a92:9116:: with SMTP id t22mr3026831ild.305.1596784583029; Fri, 07 Aug 2020 00:16:23 -0700 (PDT) Date: Fri, 07 Aug 2020 00:16:23 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000dabdc805ac4461b5@google.com> Subject: INFO: trying to register non-static key in l2cap_chan_close 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: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 01830e6c Add linux-next specific files for 20200731 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=171e3dc6900000 kernel config: https://syzkaller.appspot.com/x/.config?x=2e226b2d1364112c dashboard link: https://syzkaller.appspot.com/bug?extid=3ae233f384d5b0aaa9e0 compiler: gcc (GCC) 10.1.0-syz 20200507 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15e18fec900000 IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+3ae233f384d5b0aaa9e0@syzkaller.appspotmail.com INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 0 PID: 6982 Comm: kworker/0:1 Not tainted 5.8.0-rc7-next-20200731-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events l2cap_chan_timeout Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18f/0x20d lib/dump_stack.c:118 assign_lock_key kernel/locking/lockdep.c:894 [inline] register_lock_class+0x157d/0x1630 kernel/locking/lockdep.c:1206 __lock_acquire+0xf9/0x5640 kernel/locking/lockdep.c:4303 lock_acquire+0x1f1/0xad0 kernel/locking/lockdep.c:5003 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x2f/0x40 kernel/locking/spinlock.c:175 spin_lock_bh include/linux/spinlock.h:359 [inline] lock_sock_nested+0x3b/0x110 net/core/sock.c:3048 l2cap_sock_teardown_cb+0x88/0x400 net/bluetooth/l2cap_sock.c:1520 l2cap_chan_close+0x2cc/0xb10 net/bluetooth/l2cap_core.c:832 l2cap_chan_timeout+0x173/0x450 net/bluetooth/l2cap_core.c:436 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415 kthread+0x3b5/0x4a0 kernel/kthread.c:292 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294 --- 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