------------[ cut here ]------------
workqueue: cannot queue hci_cmd_timeout on wq hci4
WARNING: CPU: 1 PID: 15 at kernel/workqueue.c:2256 __queue_work+0xe10/0x1210 kernel/workqueue.c:2254
Modules linked in:
CPU: 1 UID: 0 PID: 15 Comm: kworker/u8:1 Not tainted 6.17.0-rc1-syzkaller-g8f5ae30d69d7 #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: netns cleanup_net
pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : __queue_work+0xe10/0x1210 kernel/workqueue.c:2254
lr : __queue_work+0xe10/0x1210 kernel/workqueue.c:2254
sp : ffff800080017b20
x29: ffff800080017b70 x28: dfff800000000000 x27: ffff700010002f84
x26: 0000000000000008 x25: dfff800000000000 x24: ffff0000d9f5a000
x23: ffff0000d9f5a1c0 x22: 0000000000000100 x21: 1fffe0001b3eb438
x20: ffff800092df4000 x19: ffff0000dbf8c988 x18: 1fffe000337a0688
x17: ffff80010c5fd000 x16: ffff80008b007230 x15: 0000000000000001
x14: 1fffe000337a06f2 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000337a06f3 x10: 0000000000ff0100 x9 : 655500269cc05e00
x8 : 655500269cc05e00 x7 : ffff800080563af4 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000807de334
x2 : 0000000000000001 x1 : 0000000000000100 x0 : 0000000000000000
Call trace:
 __queue_work+0xe10/0x1210 kernel/workqueue.c:2254 (P)
 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2485
 call_timer_fn+0x1b4/0x818 kernel/time/timer.c:1747
 expire_timers kernel/time/timer.c:1793 [inline]
 __run_timers kernel/time/timer.c:2372 [inline]
 __run_timer_base+0x54c/0x76c kernel/time/timer.c:2384
 run_timer_base kernel/time/timer.c:2393 [inline]
 run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2403
 handle_softirqs+0x328/0xc88 kernel/softirq.c:579
 __do_softirq+0x14/0x20 kernel/softirq.c:613
 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:68
 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:891
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:73
 invoke_softirq kernel/softirq.c:460 [inline]
 __irq_exit_rcu+0x1b0/0x478 kernel/softirq.c:680
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:696
 __el1_irq arch/arm64/kernel/entry-common.c:654 [inline]
 el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:668
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:673
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:592
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P)
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P)
 lockdep_unregister_key+0x2e8/0x3cc kernel/locking/lockdep.c:6614 (P)
 __qdisc_destroy+0x170/0x4bc net/sched/sch_generic.c:1083
 qdisc_put net/sched/sch_generic.c:1109 [inline]
 dev_shutdown+0x35c/0x47c net/sched/sch_generic.c:1497
 unregister_netdevice_many_notify+0xbb8/0x1de0 net/core/dev.c:12136
 unregister_netdevice_many net/core/dev.c:12211 [inline]
 unregister_netdevice_queue+0x2b4/0x300 net/core/dev.c:12055
 unregister_netdevice include/linux/netdevice.h:3382 [inline]
 nsim_destroy+0x1c0/0x5f8 drivers/net/netdevsim/netdev.c:1136
 __nsim_dev_port_del+0x13c/0x19c drivers/net/netdevsim/dev.c:1473
 nsim_dev_port_del_all drivers/net/netdevsim/dev.c:1485 [inline]
 nsim_dev_reload_destroy+0x240/0x43c drivers/net/netdevsim/dev.c:1707
 nsim_dev_reload_down+0x9c/0xd4 drivers/net/netdevsim/dev.c:983
 devlink_reload+0x184/0x750 net/devlink/dev.c:461
 devlink_pernet_pre_exit+0x184/0x380 net/devlink/core.c:509
 ops_pre_exit_list net/core/net_namespace.c:160 [inline]
 ops_undo_list+0x154/0x7ec net/core/net_namespace.c:233
 cleanup_net+0x3e4/0x6c0 net/core/net_namespace.c:682
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
irq event stamp: 1409599
hardirqs last  enabled at (1409598): [<ffff8000803d7f9c>] handle_softirqs+0x1f4/0xc88 kernel/softirq.c:563
hardirqs last disabled at (1409599): [<ffff80008b028ca0>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline]
hardirqs last disabled at (1409599): [<ffff80008b028ca0>] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170
softirqs last  enabled at (1409556): [<ffff800089e6ecfc>] spin_unlock_bh include/linux/spinlock.h:396 [inline]
softirqs last  enabled at (1409556): [<ffff800089e6ecfc>] fib6_run_gc+0x524/0x5b0 net/ipv6/ip6_fib.c:2434
softirqs last disabled at (1409597): [<ffff800080022028>] __do_softirq+0x14/0x20 kernel/softirq.c:613
---[ end trace 0000000000000000 ]---