------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci6
WARNING: CPU: 1 PID: 26659 at kernel/workqueue.c:2256 __queue_work+0xd38/0xfb0 kernel/workqueue.c:2254
Modules linked in:
CPU: 1 UID: 0 PID: 26659 Comm: syz.9.5070 Not tainted 6.16.0-syzkaller-gfa479132845e #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__queue_work+0xd38/0xfb0 kernel/workqueue.c:2254
Code: 42 80 3c 20 00 74 08 4c 89 ef e8 d3 e8 98 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 60 dd 89 8b 4c 89 fa e8 c9 3a f9 ff 90 <0f> 0b 90 90 e9 1a f5 ff ff e8 6a 90 35 00 90 0f 0b 90 e9 dd fc ff
RSP: 0018:ffffc90000a08b10 EFLAGS: 00010046
RAX: 7864abe77b026c00 RBX: 0000000000000100 RCX: ffff888024861e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff1100d1f0b38 R08: ffff8880b8724253 R09: 1ffff110170e484a
R10: dffffc0000000000 R11: ffffed10170e484b R12: dffffc0000000000
R13: ffff888048b3c988 R14: 0000000000000008 R15: ffff888068f85978
FS:  0000000000000000(0000) GS:ffff888125d2a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1b24c91404 CR3: 000000000df36000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 call_timer_fn+0x17b/0x5f0 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1793 [inline]
 __run_timers kernel/time/timer.c:2372 [inline]
 __run_timer_base+0x646/0x860 kernel/time/timer.c:2384
 run_timer_base kernel/time/timer.c:2393 [inline]
 run_timer_softirq+0xb7/0x180 kernel/time/timer.c:2403
 handle_softirqs+0x286/0x870 kernel/softirq.c:579
 __do_softirq kernel/softirq.c:613 [inline]
 invoke_softirq kernel/softirq.c:453 [inline]
 __irq_exit_rcu+0xca/0x1f0 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+0xa6/0xc0 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:stackdepot_memcmp lib/stackdepot.c:527 [inline]
RIP: 0010:find_stack lib/stackdepot.c:561 [inline]
RIP: 0010:stack_depot_save_flags+0x1c1/0x900 lib/stackdepot.c:619
Code: db 75 62 4d 8b 24 24 4d 39 fc 74 56 41 39 6c 24 10 75 f0 45 39 54 24 14 75 e9 31 c0 49 8b 0c c6 49 3b 4c c4 20 75 dc 48 ff c0 <41> 39 c5 75 ed 83 fe 02 72 31 49 8d 7c 24 1c 41 8b 5c 24 1c 85 db
RSP: 0018:ffffc9000418f618 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffffffff818460cc
RDX: 00000000d4d9f10c RSI: 0000000000000000 RDI: 00000000fcf6d1ea
RBP: 000000006db84aad R08: 00000000a44ad5c0 R09: 0000000092a12a90
R10: 000000000000000b R11: ffffffff81ac34b0 R12: ffff88805563ba40
R13: 000000000000000b R14: ffffc9000418f690 R15: ffff88823b64aad0
 kasan_save_stack+0x4d/0x60 mm/kasan/common.c:48
 kasan_record_aux_stack+0xbd/0xd0 mm/kasan/generic.c:548
 __call_rcu_common kernel/rcu/tree.c:3123 [inline]
 call_rcu+0x157/0x9c0 kernel/rcu/tree.c:3243
 task_work_run+0x1d1/0x260 kernel/task_work.c:227
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x6b5/0x2300 kernel/exit.c:966
 do_group_exit+0x21c/0x2d0 kernel/exit.c:1107
 get_signal+0x1286/0x1340 kernel/signal.c:3034
 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337
 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:40
 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [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+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f450b78ebe9
Code: Unable to access opcode bytes at 0x7f450b78ebbf.
RSP: 002b:00007f450c53e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: fffffffffffffff5 RBX: 00007f450b9b6180 RCX: 00007f450b78ebe9
RDX: 0000000000000094 RSI: 00002000000024c0 RDI: 0000000000000005
RBP: 00007f450b811e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f450b9b6218 R14: 00007f450b9b6180 R15: 00007ffd8c5d5428
 </TASK>
----------------
Code disassembly (best guess):
   0:	db 75 62             	(bad)  0x62(%rbp)
   3:	4d 8b 24 24          	mov    (%r12),%r12
   7:	4d 39 fc             	cmp    %r15,%r12
   a:	74 56                	je     0x62
   c:	41 39 6c 24 10       	cmp    %ebp,0x10(%r12)
  11:	75 f0                	jne    0x3
  13:	45 39 54 24 14       	cmp    %r10d,0x14(%r12)
  18:	75 e9                	jne    0x3
  1a:	31 c0                	xor    %eax,%eax
  1c:	49 8b 0c c6          	mov    (%r14,%rax,8),%rcx
  20:	49 3b 4c c4 20       	cmp    0x20(%r12,%rax,8),%rcx
  25:	75 dc                	jne    0x3
  27:	48 ff c0             	inc    %rax
* 2a:	41 39 c5             	cmp    %eax,%r13d <-- trapping instruction
  2d:	75 ed                	jne    0x1c
  2f:	83 fe 02             	cmp    $0x2,%esi
  32:	72 31                	jb     0x65
  34:	49 8d 7c 24 1c       	lea    0x1c(%r12),%rdi
  39:	41 8b 5c 24 1c       	mov    0x1c(%r12),%ebx
  3e:	85 db                	test   %ebx,%ebx