------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci2 WARNING: CPU: 1 PID: 6103 at kernel/workqueue.c:2258 __queue_work+0xe38/0x1230 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 6103 Comm: udevd Not tainted 6.15.0-rc4-syzkaller-ge0f4c8dd9d2d #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xe38/0x1230 kernel/workqueue.c:2256 lr : __queue_work+0xe38/0x1230 kernel/workqueue.c:2256 sp : ffff800080017b20 x29: ffff800080017b70 x28: dfff800000000000 x27: ffff700010002f84 x26: ffff0000c289f000 x25: dfff800000000000 x24: 0000000000000008 x23: ffff0000c289f1c0 x22: 0000000000000100 x21: 1fffe00018513e38 x20: ffff800092804000 x19: ffff0000d9f3c948 x18: 00000000ffffffff x17: 0000000000000000 x16: ffff80008ad0f308 x15: ffff700011e6ff40 x14: 1ffff00011e6ff40 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff700011e6ff40 x10: 0000000000ff0100 x9 : 1d4e3b028687f400 x8 : 1d4e3b028687f400 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800080017478 x4 : ffff80008f3f4fa0 x3 : ffff80008053fd64 x2 : 0000000000000000 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: __queue_work+0xe38/0x1230 kernel/workqueue.c:2256 (P) delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2487 call_timer_fn+0x1b4/0x818 kernel/time/timer.c:1789 expire_timers kernel/time/timer.c:1835 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x54c/0x76c kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2445 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:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 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:561 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:575 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:580 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596 local_daif_restore+0x20/0x3c arch/arm64/include/asm/daifflags.h:117 (P) el0_svc+0x50/0x150 arch/arm64/kernel/entry-common.c:743 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 2489145 hardirqs last enabled at (2489144): [] queue_work_on+0xfc/0x18c kernel/workqueue.c:2396 hardirqs last disabled at (2489145): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (2489145): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (2487372): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (2489129): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---