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workqueue: cannot queue hci_cmd_timeout on wq hci0
WARNING: CPU: 1 PID: 18328 at kernel/workqueue.c:2257 __queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256
Modules linked in:
CPU: 1 UID: 0 PID: 18328 Comm: syz-executor Not tainted 6.16.0-rc4-syzkaller-00013-g66701750d556 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:__queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 28 04 00 00 48 8b 75 18 4c 89 f2 48 c7 c7 00 ff ab 8b e8 f5 16 f7 ff 90 <0f> 0b 90 90 e9 96 f7 ff ff e8 a6 56 38 00 90 0f 0b 90 e9 1b f6 ff
RSP: 0018:ffffc90000a08be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817ae278
RDX: ffff888033618000 RSI: ffffffff817ae285 RDI: 0000000000000001
RBP: ffff888035fcc970 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff9200014118f
R13: 0000000000000100 R14: ffff8880297c0978 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff888124852000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2ff19b CR3: 0000000035b8a000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 call_timer_fn+0x197/0x620 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1793 [inline]
 __run_timers+0x569/0x960 kernel/time/timer.c:2372
 __run_timer_base kernel/time/timer.c:2384 [inline]
 __run_timer_base kernel/time/timer.c:2376 [inline]
 run_timer_base+0x114/0x190 kernel/time/timer.c:2393
 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2403
 handle_softirqs+0x219/0x8e0 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5875
Code: 63 34 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 32 90 0f 0f 0f 82 74 02 00 00 8b 35 1a c2 0f 0f 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 c9 62 34 12 0f 85 c7 02 00 00 48 83 c4
RSP: 0018:ffffc90003867908 EFLAGS: 00000206
RAX: 0000000000000046 RBX: ffff8880297c0948 RCX: 0000000000000001
RDX: 0000000000000000 RSI: ffffffff8ddf4c2b RDI: ffffffff8c157ca0
RBP: 0000000000000000 R08: 740a6825af9819b0 R09: ffffffff96cc9828
R10: 0000000000000008 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 touch_wq_lockdep_map+0xad/0x1c0 kernel/workqueue.c:3909
 __flush_workqueue+0x128/0x1230 kernel/workqueue.c:3951
 drain_workqueue+0x199/0x3d0 kernel/workqueue.c:4115
 hci_dev_close_sync+0x39b/0x11d0 net/bluetooth/hci_sync.c:5236
 hci_dev_do_close+0x2e/0x90 net/bluetooth/hci_core.c:501
 hci_unregister_dev+0x227/0x640 net/bluetooth/hci_core.c:2717
 vhci_release+0x79/0xf0 drivers/bluetooth/hci_vhci.c:665
 __fput+0x402/0xb70 fs/file_table.c:465
 task_work_run+0x150/0x240 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x86c/0x2bd0 kernel/exit.c:964
 do_group_exit+0xd3/0x2a0 kernel/exit.c:1105
 __do_sys_exit_group kernel/exit.c:1116 [inline]
 __se_sys_exit_group kernel/exit.c:1114 [inline]
 __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1114
 x64_sys_call+0x1530/0x1730 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4f3bd8e929
Code: Unable to access opcode bytes at 0x7f4f3bd8e8ff.
RSP: 002b:00007ffd516c0588 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f4f3be11918 RCX: 00007f4f3bd8e929
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043
RBP: 00007f4f3bded658 R08: 00007ffd516be327 R09: 000000000000002d
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 000000000000002d R14: 00007ffd516c06c2 R15: 0000000000000024
 </TASK>
----------------
Code disassembly (best guess):
   0:	63 34 12             	movsxd (%rdx,%rdx,1),%esi
   3:	83 f8 07             	cmp    $0x7,%eax
   6:	0f 87 bc 02 00 00    	ja     0x2c8
   c:	89 c0                	mov    %eax,%eax
   e:	48 0f a3 05 32 90 0f 	bt     %rax,0xf0f9032(%rip)        # 0xf0f9048
  15:	0f
  16:	0f 82 74 02 00 00    	jb     0x290
  1c:	8b 35 1a c2 0f 0f    	mov    0xf0fc21a(%rip),%esi        # 0xf0fc23c
  22:	85 f6                	test   %esi,%esi
  24:	0f 85 8d 00 00 00    	jne    0xb7
* 2a:	48 8b 44 24 30       	mov    0x30(%rsp),%rax <-- trapping instruction
  2f:	65 48 2b 05 c9 62 34 	sub    %gs:0x123462c9(%rip),%rax        # 0x12346300
  36:	12
  37:	0f 85 c7 02 00 00    	jne    0x304
  3d:	48                   	rex.W
  3e:	83                   	.byte 0x83
  3f:	c4                   	.byte 0xc4