------------[ cut here ]------------
WARNING: CPU: 1 PID: 18999 at kernel/workqueue.c:1728 current_wq_worker kernel/workqueue_internal.h:69 [inline]
WARNING: CPU: 1 PID: 18999 at kernel/workqueue.c:1728 is_chained_work kernel/workqueue.c:1669 [inline]
WARNING: CPU: 1 PID: 18999 at kernel/workqueue.c:1728 __queue_work+0xdb8/0x12bc kernel/workqueue.c:1727
Modules linked in:
CPU: 1 PID: 18999 Comm: syz-executor.3 Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __queue_work+0xdb8/0x12bc kernel/workqueue_internal.h:69
lr : current_wq_worker kernel/workqueue_internal.h:69 [inline]
lr : is_chained_work kernel/workqueue.c:1669 [inline]
lr : __queue_work+0xdb8/0x12bc kernel/workqueue.c:1727
sp : ffff800080017b70
x29: ffff800080017bb0 x28: 1fffe000268a9001 x27: dfff800000000000
x26: dfff800000000000 x25: ffff0000c63b0800 x24: 0000000000000008
x23: ffff0000c63b09c0 x22: ffff000134548008 x21: 0000000000000100
x20: ffff000134548000 x19: ffff00012e80cc10 x18: ffff8000995d7400
x17: ffff800125436000 x16: ffff80008ad6b09c x15: 0000000000000002
x14: ffff80008eca0458 x13: dfff800000000000 x12: 000000006362687d
x11: 00000000df70c96a x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff000134548000 x7 : ffff80008042755c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008d4611c0
x2 : ffff00012e80cc10 x1 : 0000000000000100 x0 : 0000000000000000
Call trace:
 current_wq_worker kernel/workqueue_internal.h:69 [inline]
 is_chained_work kernel/workqueue.c:1669 [inline]
 __queue_work+0xdb8/0x12bc kernel/workqueue.c:1727
 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:1931
 call_timer_fn+0x19c/0x8d4 kernel/time/timer.c:1700
 expire_timers kernel/time/timer.c:1746 [inline]
 __run_timers+0x57c/0x6fc kernel/time/timer.c:2038
 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2051
 __do_softirq+0x2d8/0xce4 kernel/softirq.c:553
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81
 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:889
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86
 invoke_softirq kernel/softirq.c:434 [inline]
 __irq_exit_rcu+0x1d8/0x434 kernel/softirq.c:632
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:644
 __el1_irq arch/arm64/kernel/entry-common.c:537 [inline]
 el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:551
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:556
 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:176 [inline]
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:196 [inline]
 lock_acquire+0x278/0x71c kernel/locking/lockdep.c:5757
 __flush_workqueue+0x14c/0x11c4 kernel/workqueue.c:3146
 drain_workqueue+0xb8/0x32c kernel/workqueue.c:3311
 hci_dev_close_sync+0x384/0xf20 net/bluetooth/hci_sync.c:4942
 hci_dev_do_close net/bluetooth/hci_core.c:554 [inline]
 hci_unregister_dev+0x1e4/0x4a8 net/bluetooth/hci_core.c:2740
 vhci_release+0x7c/0xd0 drivers/bluetooth/hci_vhci.c:674
 __fput+0x30c/0x738 fs/file_table.c:376
 ____fput+0x20/0x30 fs/file_table.c:404
 task_work_run+0x230/0x2e0 kernel/task_work.c:180
 exit_task_work include/linux/task_work.h:38 [inline]
 do_exit+0x618/0x1f64 kernel/exit.c:871
 do_group_exit+0x194/0x22c kernel/exit.c:1020
 __do_sys_exit_group kernel/exit.c:1031 [inline]
 __se_sys_exit_group kernel/exit.c:1029 [inline]
 pid_child_should_wake+0x0/0x1dc kernel/exit.c:1029
 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
irq event stamp: 178801
hardirqs last  enabled at (178800): [<ffff800080020f90>] __do_softirq+0x1bc/0xce4 kernel/softirq.c:537
hardirqs last disabled at (178801): [<ffff80008ae5ccd0>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline]
hardirqs last disabled at (178801): [<ffff80008ae5ccd0>] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170
softirqs last  enabled at (177732): [<ffff80008003165c>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (178799): [<ffff80008002ab48>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81
---[ end trace 0000000000000000 ]---