------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci3 WARNING: CPU: 1 PID: 0 at kernel/workqueue.c:2256 __queue_work+0xe10/0x1210 kernel/workqueue.c:2254 Modules linked in: CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 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: ffff0000d4e0e800 x23: ffff0000d4e0e9c0 x22: 0000000000000100 x21: 1fffe0001a9c1d38 x20: ffff800092e11000 x19: ffff0000d7208988 x18: 000000001384215e x17: 0000000000000000 x16: ffff80008b010038 x15: 0000000000000001 x14: 1ffff00012275f30 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012275f31 x10: 0000000000ff0100 x9 : 1b3cba6d60f14100 x8 : 1b3cba6d60f14100 x7 : ffff800080563d2c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000807de6c4 x2 : 0000000000000002 x1 : 0000000000000101 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_enable arch/arm64/include/asm/irqflags.h:26 [inline] (P) arch_local_irq_enable+0x8/0xc arch/arm64/include/asm/irqflags.h:48 (P) cpuidle_idle_call kernel/sched/idle.c:190 [inline] do_idle+0x1d8/0x454 kernel/sched/idle.c:330 cpu_startup_entry+0x5c/0x74 kernel/sched/idle.c:428 secondary_start_kernel+0x1bc/0x1e4 arch/arm64/kernel/smp.c:271 __secondary_switched+0xc0/0xc4 arch/arm64/kernel/head.S:401 irq event stamp: 301519 hardirqs last enabled at (301518): [] __local_bh_enable_ip+0x1ec/0x35c kernel/softirq.c:412 hardirqs last disabled at (301519): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (301519): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (301222): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (301222): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (301269): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---