------------[ cut here ]------------
WARNING: CPU: 0 PID: 4225 at kernel/workqueue.c:1441 __queue_work+0x10c8/0x136c kernel/workqueue.c:1441
Modules linked in:
CPU: 0 PID: 4225 Comm: syz-executor Not tainted 6.1.97-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __queue_work+0x10c8/0x136c kernel/workqueue.c:1441
lr : __queue_work+0x10c8/0x136c kernel/workqueue.c:1441
sp : ffff800008007b50
x29: ffff800008007b90 x28: 0000000000000008 x27: dfff800000000000
x26: ffff0000dd4e8800 x25: dfff800000000000 x24: 0000000000000100
x23: ffff0000dd4e89c0 x22: ffff0000c3769bc8 x21: 1fffe000186ed379
x20: 00000000000b0012 x19: ffff0000d546cbc0 x18: ffff80001ddb7420
x17: ffff80019eba4000 x16: ffff80001216ee24 x15: 0000000000000000
x14: 1ffff00002b0c0b0 x13: dfff800000000000 x12: 00000000afacb440
x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff80000821697c
x8 : ffff0000c3769bc0 x7 : ffff8000083fcd78 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000142aa840
x2 : ffff0000d546cbc0 x1 : 0000000000000100 x0 : 0000000000000000
Call trace:
 __queue_work+0x10c8/0x136c kernel/workqueue.c:1441
 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:1646
 call_timer_fn+0x1c0/0xa1c kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1544 [inline]
 __run_timers+0x584/0x718 kernel/time/timer.c:1820
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1833
 handle_softirqs+0x318/0xd58 kernel/softirq.c:571
 __do_softirq+0x14/0x20 kernel/softirq.c:605
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:893
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85
 invoke_softirq kernel/softirq.c:452 [inline]
 __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:654
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:666
 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline]
 el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:486
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline]
 lock_acquire+0x2ac/0x7cc kernel/locking/lockdep.c:5665
 __flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:2812
 drain_workqueue+0xb8/0x32c kernel/workqueue.c:2977
 hci_dev_close_sync+0x38c/0xf6c net/bluetooth/hci_sync.c:5003
 hci_dev_do_close net/bluetooth/hci_core.c:554 [inline]
 hci_unregister_dev+0x1e0/0x4a4 net/bluetooth/hci_core.c:2736
 vhci_release+0x7c/0xcc drivers/bluetooth/hci_vhci.c:573
 __fput+0x30c/0x7bc fs/file_table.c:320
 ____fput+0x20/0x30 fs/file_table.c:348
 task_work_run+0x240/0x2f0 kernel/task_work.c:179
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x554/0x1a88 kernel/exit.c:869
 do_group_exit+0x194/0x22c kernel/exit.c:1019
 __do_sys_exit_group kernel/exit.c:1030 [inline]
 __se_sys_exit_group kernel/exit.c:1028 [inline]
 __wake_up_parent+0x0/0x60 kernel/exit.c:1028
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
irq event stamp: 171271
hardirqs last  enabled at (171270): [<ffff80001224ebbc>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (171270): [<ffff80001224ebbc>] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194
hardirqs last disabled at (171271): [<ffff80001224ea1c>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline]
hardirqs last disabled at (171271): [<ffff80001224ea1c>] _raw_spin_lock_irq+0x34/0x9c kernel/locking/spinlock.c:170
softirqs last  enabled at (169376): [<ffff8000081c8038>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (169376): [<ffff8000081c8038>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599
softirqs last disabled at (171257): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605
---[ end trace 0000000000000000 ]---