From: syzbot <syzbot+3ae233f384d5b0aaa9e0@syzkaller.appspotmail.com>
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
Subject: INFO: trying to register non-static key in l2cap_chan_close
Date: Fri, 07 Aug 2020 00:16:23 -0700 [thread overview]
Message-ID: <000000000000dabdc805ac4461b5@google.com> (raw)
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:
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syzbot can test patches for this issue, for details see:
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reply other threads:[~2020-08-07 7:16 UTC|newest]
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