------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci3 WARNING: kernel/workqueue.c:2252 at __queue_work+0xfa0/0x121c kernel/workqueue.c:2250, CPU#0: syz-executor/6576 Modules linked in: CPU: 0 UID: 0 PID: 6576 Comm: syz-executor 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+0xfa0/0x121c kernel/workqueue.c:2250 lr : __queue_work+0xfa0/0x121c kernel/workqueue.c:2250 sp : ffff800097bc7b20 x29: ffff800097bc7b70 x28: dfff800000000000 x27: ffff700012f78f84 x26: ffff0000c9d00800 x25: 0000000000000008 x24: 1fffe0001948c001 x23: dfff800000000000 x22: ffff0000c9d009c0 x21: 0000000000000100 x20: ffff800092e87000 x19: ffff0000dc690a88 x18: 1fffe0003377d090 x17: ffff80010c42d000 x16: ffff800082e5e68c x15: 0000000000000001 x14: 1fffe0003377d0fa x13: 0000000000000000 x12: 0000000000000000 x11: ffff60003377d0fb x10: 0000000000ff0100 x9 : 97f15299bda09b00 x8 : 97f15299bda09b00 x7 : ffff8000805761f8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000807f1034 x2 : 0000000000000001 x1 : 0000000000000101 x0 : 0000000000000000 Call trace: __queue_work+0xfa0/0x121c kernel/workqueue.c:2250 (P) delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2481 call_timer_fn+0x19c/0x814 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1794 [inline] __run_timers kernel/time/timer.c:2373 [inline] __run_timer_base+0x54c/0x76c kernel/time/timer.c:2385 run_timer_base kernel/time/timer.c:2394 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2404 handle_softirqs+0x31c/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:498 [inline] el1_interrupt+0x40/0x60 arch/arm64/kernel/entry-common.c:510 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:515 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 arch/arm64/include/asm/irqflags.h:48 [inline] (P) raw_spin_rq_unlock_irq kernel/sched/sched.h:1570 [inline] (P) finish_lock_switch+0xb4/0x1c0 kernel/sched/core.c:4995 (P) finish_task_switch+0x104/0x5dc kernel/sched/core.c:5112 context_switch kernel/sched/core.c:5259 [inline] __schedule+0x1254/0x2a7c kernel/sched/core.c:6863 preempt_schedule_irq+0x80/0x188 kernel/sched/core.c:7190 raw_irqentry_exit_cond_resched+0x30/0x44 kernel/entry/common.c:173 irqentry_exit+0x1b0/0x308 kernel/entry/common.c:216 exit_to_kernel_mode+0x10/0x1c arch/arm64/kernel/entry-common.c:58 __el1_irq arch/arm64/kernel/entry-common.c:500 [inline] el1_interrupt+0x4c/0x60 arch/arm64/kernel/entry-common.c:510 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:515 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:592 lock_is_held_type+0x4/0x198 kernel/locking/lockdep.c:5925 (P) __might_sleep+0x88/0x110 kernel/sched/core.c:8756 __might_fault+0x7c/0x124 mm/memory.c:7172 ip_getsockopt+0x100/0x328 net/ipv4/ip_sockglue.c:1774 tcp_getsockopt+0xcc/0xe8 net/ipv4/tcp.c:4834 sock_common_getsockopt+0xa8/0xc4 net/core/sock.c:3945 do_sock_getsockopt+0x1fc/0x3c4 net/socket.c:2383 __sys_getsockopt net/socket.c:2412 [inline] __do_sys_getsockopt net/socket.c:2419 [inline] __se_sys_getsockopt net/socket.c:2416 [inline] __arm64_sys_getsockopt+0x168/0x1d8 net/socket.c:2416 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x5c/0x26c arch/arm64/kernel/entry-common.c:724 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596 irq event stamp: 185439 hardirqs last enabled at (185438): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (185438): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (185439): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (185439): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (185356): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (185356): [] release_sock+0x14c/0x1ac net/core/sock.c:3804 softirqs last disabled at (185429): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---