------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci1 WARNING: CPU: 1 PID: 8108 at kernel/workqueue.c:2258 __queue_work+0xe10/0x1210 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 8108 Comm: syz.0.288 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __queue_work+0xe10/0x1210 kernel/workqueue.c:2256 lr : __queue_work+0xe10/0x1210 kernel/workqueue.c:2256 sp : ffff800097937b20 x29: ffff800097937b70 x28: dfff800000000000 x27: ffff700012f26f84 x26: 0000000000000008 x25: dfff800000000000 x24: ffff0000c986d000 x23: ffff0000c986d1c0 x22: 0000000000000100 x21: 1fffe0001930da38 x20: ffff800092bf8000 x19: ffff0000ca738990 x18: 00000000ffffffff x17: ffff800093303000 x16: ffff800082debf80 x15: 0000000000000001 x14: 1ffff00012233a9c x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000e95 x10: 0000000000ff0100 x9 : 4a12e70005ad4600 x8 : 4a12e70005ad4600 x7 : ffff800080565240 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000807d6704 x2 : 0000000000000002 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: __queue_work+0xe10/0x1210 kernel/workqueue.c:2256 (P) delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2487 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:622 __do_softirq+0x14/0x20 kernel/softirq.c:656 ____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:503 [inline] __irq_exit_rcu+0x1b0/0x478 kernel/softirq.c:723 irq_exit_rcu+0x14/0x84 kernel/softirq.c:739 __el1_irq arch/arm64/kernel/entry-common.c:520 [inline] el1_interrupt+0x40/0x60 arch/arm64/kernel/entry-common.c:532 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:537 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) crng_make_state+0x1a0/0x31c drivers/char/random.c:393 (P) _get_random_bytes+0xdc/0x208 drivers/char/random.c:406 get_random_bytes+0x28/0x38 drivers/char/random.c:438 ptrauth_keys_init_kernel arch/arm64/include/asm/pointer_auth.h:60 [inline] copy_thread+0x3e8/0x830 arch/arm64/kernel/process.c:429 copy_process+0x16a8/0x31e4 kernel/fork.c:2190 kernel_clone+0x1d8/0x84c kernel/fork.c:2609 __do_sys_clone kernel/fork.c:2750 [inline] __se_sys_clone kernel/fork.c:2718 [inline] __arm64_sys_clone+0x144/0x1a0 kernel/fork.c:2718 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:746 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:765 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 735 hardirqs last enabled at (734): [] __local_bh_enable_ip+0x1ec/0x35c kernel/softirq.c:455 hardirqs last disabled at (735): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (735): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (684): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (711): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]--- vkms_vblank_simulate: vblank timer overrun