------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 13594 at kernel/locking/lockdep.c:167 hlock_class kernel/locking/lockdep.c:167 [inline]
WARNING: CPU: 0 PID: 13594 at kernel/locking/lockdep.c:167 hlock_class kernel/locking/lockdep.c:156 [inline]
WARNING: CPU: 0 PID: 13594 at kernel/locking/lockdep.c:167 __lock_acquire+0x1ccc/0x3ca0 kernel/locking/lockdep.c:3950
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 13594 Comm: syz-executor.1 Not tainted 5.6.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:221
 __warn.cold+0x2f/0x35 kernel/panic.c:582
 report_bug+0x27b/0x2f0 lib/bug.c:195
 fixup_bug arch/x86/kernel/traps.c:174 [inline]
 fixup_bug arch/x86/kernel/traps.c:169 [inline]
 do_error_trap+0x12b/0x220 arch/x86/kernel/traps.c:267
 do_invalid_op+0x32/0x40 arch/x86/kernel/traps.c:286
 invalid_op+0x23/0x30 arch/x86/entry/entry_64.S:1027
RIP: 0010:hlock_class kernel/locking/lockdep.c:167 [inline]
RIP: 0010:hlock_class kernel/locking/lockdep.c:156 [inline]
RIP: 0010:__lock_acquire+0x1ccc/0x3ca0 kernel/locking/lockdep.c:3950
Code: d0 7c 08 84 d2 0f 85 7e 17 00 00 44 8b 2d ec af 0d 09 45 85 ed 75 ba 48 c7 c6 60 71 0b 88 48 c7 c7 a0 71 0b 88 e8 1c ca eb ff <0f> 0b 31 db e9 8f fa ff ff 48 89 c5 83 7c 24 08 01 0f 84 5b 06 00
RSP: 0018:ffffc90003497780 EFLAGS: 00010086
RAX: 0000000000000000 RBX: 0000000000000b08 RCX: 0000000000000000
RDX: 0000000040000002 RSI: ffffffff815bf411 RDI: fffff52000692ee2
RBP: ffff8880452e8000 R08: ffff8880452e8000 R09: fffffbfff12f4365
R10: fffffbfff12f4364 R11: ffffffff897a1b23 R12: 000000000d7aee93
R13: 0000000000000000 R14: ffffffff8a660b90 R15: ffff8880452e88e8
 lock_acquire+0x197/0x420 kernel/locking/lockdep.c:4484
 finish_lock_switch kernel/sched/core.c:3118 [inline]
 finish_task_switch+0x13f/0x750 kernel/sched/core.c:3219
 context_switch kernel/sched/core.c:3383 [inline]
 __schedule+0x93c/0x1f90 kernel/sched/core.c:4080
 preempt_schedule_irq+0xb0/0x150 kernel/sched/core.c:4337
 retint_kernel+0x1b/0x2b
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:752 [inline]
RIP: 0010:lock_acquire+0x209/0x420 kernel/locking/lockdep.c:4487
Code: 94 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 de 01 00 00 48 83 3d 0b 20 1b 08 00 0f 84 5a 01 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b
RSP: 0018:ffffc90003497b18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02
RAX: 1ffffffff12e764f RBX: ffff8880452e8000 RCX: ffffffff8158627b
RDX: dffffc0000000000 RSI: 1ffff92000692f4c RDI: 0000000000000286
RBP: ffff888095b22128 R08: 0000000000000004 R09: fffffbfff1873e21
R10: fffffbfff1873e20 R11: 0000000000000003 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 flush_workqueue+0x126/0x14c0 kernel/workqueue.c:2775
 hci_dev_open+0xdb/0x280 net/bluetooth/hci_core.c:1626
 hci_sock_bind+0x427/0x1140 net/bluetooth/hci_sock.c:1200
 __sys_bind+0x20e/0x250 net/socket.c:1662
 __do_sys_bind net/socket.c:1673 [inline]
 __se_sys_bind net/socket.c:1671 [inline]
 __x64_sys_bind+0x6f/0xb0 net/socket.c:1671
 do_syscall_64+0xf6/0x790 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45c4a9
Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fe702db2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 00007fe702db36d4 RCX: 000000000045c4a9
RDX: 0000000000000006 RSI: 0000000020000040 RDI: 0000000000000005
RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 000000000000002c R14: 00000000004c2935 R15: 000000000076bf2c
Shutting down cpus with NMI
Kernel Offset: disabled
Rebooting in 86400 seconds..