------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci3
WARNING: kernel/workqueue.c:2256 at __queue_work+0xd38/0xfb0 kernel/workqueue.c:2254, CPU#0: syz.7.2519/16484
Modules linked in:
CPU: 0 UID: 0 PID: 16484 Comm: syz.7.2519 Not tainted 6.16.0-next-20250804-syzkaller #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 f3 0d 99 00 49 8b 75 00 49 81 c7 78 01 00 00 48 c7 c7 c0 de 89 8b 4c 89 fa e8 49 3a f9 ff 90 <0f> 0b 90 90 e9 1a f5 ff ff e8 6a a3 35 00 90 0f 0b 90 e9 dd fc ff
RSP: 0018:ffffc90000007b10 EFLAGS: 00010046
RAX: d235b85ab348fa00 RBX: 0000000000000100 RCX: ffff88801fb41e00
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000002
RBP: 1ffff11005f12938 R08: ffff8880b8624253 R09: 1ffff110170c484a
R10: dffffc0000000000 R11: ffffed10170c484b R12: dffffc0000000000
R13: ffff88807aa24988 R14: 0000000000000008 R15: ffff88802f894978
FS:  00007fbef4ffb6c0(0000) GS:ffff888125c17000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32616ff8 CR3: 000000005a896000 CR4: 00000000003526f0
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+0x283/0x870 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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ca 6c 20 f6 48 89 df e8 22 04 21 f6 e8 6d 5c 4a f6 fb bf 01 00 00 00 <e8> 82 fc 12 f6 65 8b 05 fb 8f 23 07 85 c0 74 07 5b c3 cc cc cc cc
RSP: 0018:ffffc900038df430 EFLAGS: 00000286
RAX: d235b85ab348fa00 RBX: ffff8880290b3e70 RCX: d235b85ab348fa00
RDX: 0000000000000007 RSI: ffffffff8d9b818e RDI: 0000000000000001
RBP: ffffc900038df570 R08: ffffffff8fa38837 R09: 1ffffffff1f47106
R10: dffffc0000000000 R11: fffffbfff1f47107 R12: ffffc900038df4c0
R13: 00000003fffffffc R14: 0000000000000000 R15: ffff888025b3b180
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 shmem_add_to_page_cache+0x8ee/0xba0 mm/shmem.c:948
 shmem_alloc_and_add_folio+0x846/0xf60 mm/shmem.c:1973
 shmem_get_folio_gfp+0x59d/0x1660 mm/shmem.c:2597
 shmem_fault+0x179/0x390 mm/shmem.c:2798
 __do_fault+0x135/0x390 mm/memory.c:5152
 do_read_fault mm/memory.c:5573 [inline]
 do_fault mm/memory.c:5707 [inline]
 do_pte_missing mm/memory.c:4234 [inline]
 handle_pte_fault mm/memory.c:6052 [inline]
 __handle_mm_fault+0x3611/0x5440 mm/memory.c:6195
 handle_mm_fault+0x40a/0x8e0 mm/memory.c:6364
 faultin_page mm/gup.c:1144 [inline]
 __get_user_pages+0x1699/0x2ce0 mm/gup.c:1446
 populate_vma_page_range+0x29f/0x3a0 mm/gup.c:1880
 __mm_populate+0x24c/0x380 mm/gup.c:1983
 mm_populate include/linux/mm.h:3390 [inline]
 vm_mmap_pgoff+0x387/0x4d0 mm/util.c:585
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbef418eb69
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:00007fbef4ffb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007fbef43b5fa0 RCX: 00007fbef418eb69
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007fbef4211df1 R08: ffffffffffffffff R09: 0000000000003000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbef43b5fa0 R15: 00007fff1ca32428
 </TASK>
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	f3 0f 1e fa          	endbr64
   5:	53                   	push   %rbx
   6:	48 89 fb             	mov    %rdi,%rbx
   9:	48 83 c7 18          	add    $0x18,%rdi
   d:	48 8b 74 24 08       	mov    0x8(%rsp),%rsi
  12:	e8 ca 6c 20 f6       	call   0xf6206ce1
  17:	48 89 df             	mov    %rbx,%rdi
  1a:	e8 22 04 21 f6       	call   0xf6210441
  1f:	e8 6d 5c 4a f6       	call   0xf64a5c91
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 82 fc 12 f6       	call   0xf612fcb1 <-- trapping instruction
  2f:	65 8b 05 fb 8f 23 07 	mov    %gs:0x7238ffb(%rip),%eax        # 0x7239031
  36:	85 c0                	test   %eax,%eax
  38:	74 07                	je     0x41
  3a:	5b                   	pop    %rbx
  3b:	c3                   	ret
  3c:	cc                   	int3
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3