------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci1 WARNING: kernel/workqueue.c:2298 at __queue_work+0xfd4/0x136c kernel/workqueue.c:2296, CPU#0: udevd/4344 Modules linked in: CPU: 0 UID: 0 PID: 4344 Comm: udevd Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __queue_work+0xfd4/0x136c kernel/workqueue.c:2296 lr : __queue_work+0xfd4/0x136c kernel/workqueue.c:2296 sp : ffff80008e987b10 x29: ffff80008e987b50 x28: dfff800000000000 x27: ffff700011d30f84 x26: ffff0000d8bea800 x25: 0000000000000008 x24: ffff0000d8bea9c0 x23: dfff800000000000 x22: ffff0000d5f4ba08 x21: ffff800089fbc000 x20: ffff0000f43aca70 x19: ffff0000f43aca58 x18: 0000000000000000 x17: ffff800125721000 x16: ffff80008e980000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000ff0100 x9 : 5cbf082330068000 x8 : 5cbf082330068000 x7 : ffff80008047caa0 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000802f1374 x2 : 0000000100000101 x1 : ffff0000d5f4ba00 x0 : 0000000000000000 Call trace: __queue_work+0xfd4/0x136c kernel/workqueue.c:2296 (P) delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2539 call_timer_fn+0x194/0xa3c kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1794 [inline] __run_timers kernel/time/timer.c:2374 [inline] __run_timer_base+0x554/0x74c kernel/time/timer.c:2386 run_timer_base+0x84/0x1b8 kernel/time/timer.c:2395 run_timer_softirq+0x20/0x48 kernel/time/timer.c:2405 handle_softirqs+0x2e4/0xd34 kernel/softirq.c:622 __do_softirq+0x14/0x20 kernel/softirq.c:656 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:78 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:83 do_softirq+0x90/0xf8 kernel/softirq.c:523 __local_bh_enable_ip+0x240/0x35c kernel/softirq.c:450 local_bh_enable include/linux/bottom_half.h:33 [inline] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline] do_sve_acc+0x234/0x3b8 arch/arm64/kernel/fpsimd.c:1360 el0_sve_acc+0x70/0x24c arch/arm64/kernel/entry-common.c:590 el0t_64_sync_handler+0xf4/0x148 arch/arm64/kernel/entry-common.c:771 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 irq event stamp: 1060597 hardirqs last enabled at (1060596): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:178 [inline] hardirqs last enabled at (1060596): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:198 hardirqs last disabled at (1060597): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:140 [inline] hardirqs last disabled at (1060597): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:174 softirqs last enabled at (1060588): [] local_bh_enable include/linux/bottom_half.h:33 [inline] softirqs last enabled at (1060588): [] put_cpu_fpsimd_context arch/arm64/kernel/fpsimd.c:251 [inline] softirqs last enabled at (1060588): [] do_sve_acc+0x22c/0x3b8 arch/arm64/kernel/fpsimd.c:1360 softirqs last disabled at (1060589): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---