------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci3
WARNING: CPU: 0 PID: 12810 at kernel/workqueue.c:2257 __queue_work+0xc9c/0x10f0 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 12810 Comm: syz.4.2360 Not tainted 6.16.0-syzkaller-06699-ge8d780dcd957 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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 e0 09 ac 8b e8 85 19 f7 ff 90 <0f> 0b 90 90 e9 96 f7 ff ff e8 96 82 38 00 90 0f 0b 90 e9 1b f6 ff
RSP: 0018:ffffc90000007be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a3658
RDX: ffff88805f3fbc00 RSI: ffffffff817a3665 RDI: 0000000000000001
RBP: ffff88807f23c970 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff92000000f8f
R13: 0000000000000101 R14: ffff88807b7a7178 R15: 0000000000000001
FS:  00007fcf0189c6c0(0000) GS:ffff888124725000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c311c59 CR3: 0000000049237000 CR4: 0000000000350ef0
Call Trace:
 <IRQ>
 call_timer_fn+0x19a/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:console_trylock_spinning kernel/printk/printk.c:2061 [inline]
RIP: 0010:vprintk_emit+0x567/0x6d0 kernel/printk/printk.c:2449
Code: 00 4d 85 ed 0f 85 19 01 00 00 e8 f4 bb 20 00 9c 5d 81 e5 00 02 00 00 31 ff 48 89 ee e8 52 b7 20 00 48 85 ed 0f 85 25 01 00 00 <e8> d4 bb 20 00 45 31 c9 41 b8 01 00 00 00 31 c9 48 8d 05 00 00 00
RSP: 0018:ffffc9000395f958 EFLAGS: 00000287
RAX: 000000000002f09c RBX: 0000000000000021 RCX: ffffc9000bcfa000
RDX: 0000000000080000 RSI: ffffffff819ae326 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff9200072bf2d
R13: 0000000000000200 R14: ffff88804939da00 R15: ffffc9000395fa20
 dev_vprintk_emit drivers/base/core.c:4914 [inline]
 dev_printk_emit+0xfa/0x140 drivers/base/core.c:4925
 __dev_printk+0xf5/0x270 drivers/base/core.c:4937
 _dev_warn+0xe4/0x120 drivers/base/core.c:4981
 sock_shutdown+0x213/0x280 drivers/block/nbd.c:414
 nbd_clear_sock drivers/block/nbd.c:1416 [inline]
 nbd_config_put+0x1e6/0x750 drivers/block/nbd.c:1440
 nbd_release+0xb7/0x190 drivers/block/nbd.c:1745
 blkdev_put_whole+0xb0/0xf0 block/bdev.c:721
 bdev_release+0x47e/0x6d0 block/bdev.c:1144
 blkdev_release+0x15/0x20 block/fops.c:699
 __fput+0x402/0xb70 fs/file_table.c:468
 task_work_run+0x150/0x240 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 exit_to_user_mode_loop+0xeb/0x110 kernel/entry/common.c:43
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:208 [inline]
 syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline]
 do_syscall_64+0x3f6/0x4c0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcf0098e9a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcf0189c038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007fcf00bb5fa0 RCX: 00007fcf0098e9a9
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000000000003
RBP: 00007fcf00a10d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fcf00bb5fa0 R15: 00007ffc3e1583f8
 </TASK>
----------------
Code disassembly (best guess):
   0:	00 4d 85             	add    %cl,-0x7b(%rbp)
   3:	ed                   	in     (%dx),%eax
   4:	0f 85 19 01 00 00    	jne    0x123
   a:	e8 f4 bb 20 00       	call   0x20bc03
   f:	9c                   	pushf
  10:	5d                   	pop    %rbp
  11:	81 e5 00 02 00 00    	and    $0x200,%ebp
  17:	31 ff                	xor    %edi,%edi
  19:	48 89 ee             	mov    %rbp,%rsi
  1c:	e8 52 b7 20 00       	call   0x20b773
  21:	48 85 ed             	test   %rbp,%rbp
  24:	0f 85 25 01 00 00    	jne    0x14f
* 2a:	e8 d4 bb 20 00       	call   0x20bc03 <-- trapping instruction
  2f:	45 31 c9             	xor    %r9d,%r9d
  32:	41 b8 01 00 00 00    	mov    $0x1,%r8d
  38:	31 c9                	xor    %ecx,%ecx
  3a:	48                   	rex.W
  3b:	8d                   	.byte 0x8d
  3c:	05                   	.byte 0x5
  3d:	00 00                	add    %al,(%rax)