------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci4
WARNING: CPU: 1 PID: 0 at kernel/workqueue.c:2255 __queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Modules linked in:
CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__queue_work+0xd03/0x1160 kernel/workqueue.c:2254
Code: 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 4b 04 00 00 48 8b 75 18 4c 89 fa 48 c7 c7 20 01 ac 8b e8 be 1e f7 ff 90 <0f> 0b 90 90 e9 2f f7 ff ff e8 8f 7b 38 00 90 0f 0b 90 e9 b4 f5 ff
RSP: 0018:ffffc90000a08be8 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff817a3388
RDX: ffff88801e2b2440 RSI: ffffffff817a3395 RDI: 0000000000000001
RBP: ffff88807af3c970 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 1ffff9200014118f
R13: 0000000080000101 R14: ffffffff81832490 R15: ffff888028e04978
FS:  0000000000000000(0000) GS:ffff8881247b5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000055e63000 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:tick_nohz_idle_enter+0x1a1/0x270 kernel/time/tick-sched.c:1267
Code: b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 cd 00 00 00 48 83 0b 01 48 89 df e8 56 e3 ff ff e8 01 c9 16 00 fb 5b <5d> 41 5c c3 cc cc cc cc e8 d2 e1 0e 00 65 8b 2d 87 41 2a 12 31 ff
RSP: 0018:ffffc90000197df8 EFLAGS: 00000206
RAX: 0000000001c839db RBX: 0000000000000001 RCX: ffffffff81c374ef
RDX: 0000000000000000 RSI: ffffffff8de522e8 RDI: ffffffff8c162d80
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff90ab6b97 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 do_idle+0x80/0x510 kernel/sched/idle.c:276
 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:428
 start_secondary+0x21d/0x2b0 arch/x86/kernel/smpboot.c:315
 common_startup_64+0x13e/0x148
 </TASK>
----------------
Code disassembly (best guess):
   0:	b8 00 00 00 00       	mov    $0x0,%eax
   5:	00 fc                	add    %bh,%ah
   7:	ff                   	(bad)
   8:	df 48 c1             	fisttps -0x3f(%rax)
   b:	ea                   	(bad)
   c:	03 80 3c 02 00 0f    	add    0xf00023c(%rax),%eax
  12:	85 cd                	test   %ecx,%ebp
  14:	00 00                	add    %al,(%rax)
  16:	00 48 83             	add    %cl,-0x7d(%rax)
  19:	0b 01                	or     (%rcx),%eax
  1b:	48 89 df             	mov    %rbx,%rdi
  1e:	e8 56 e3 ff ff       	call   0xffffe379
  23:	e8 01 c9 16 00       	call   0x16c929
  28:	fb                   	sti
  29:	5b                   	pop    %rbx
* 2a:	5d                   	pop    %rbp <-- trapping instruction
  2b:	41 5c                	pop    %r12
  2d:	c3                   	ret
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	e8 d2 e1 0e 00       	call   0xee209
  37:	65 8b 2d 87 41 2a 12 	mov    %gs:0x122a4187(%rip),%ebp        # 0x122a41c5
  3e:	31 ff                	xor    %edi,%edi