------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci4 WARNING: CPU: 1 PID: 7255 at kernel/workqueue.c:2258 __queue_work+0xe38/0x1230 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 7255 Comm: syz.0.131 Not tainted 6.16.0-rc1-syzkaller-g19272b37aa4f #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 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: ffff0000d9500800 x25: dfff800000000000 x24: 0000000000000008 x23: ffff0000d95009c0 x22: 0000000000000100 x21: 1fffe0001b2a0138 x20: ffff800092b05000 x19: ffff0000c9028948 x18: 00000000ffffffff x17: 0000000000000000 x16: ffff80008adbe648 x15: ffff700011ebc1d4 x14: 1ffff00011ebc1d4 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff700011ebc1d4 x10: 0000000000ff0100 x9 : a82b747426026900 x8 : a82b747426026900 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800080017478 x4 : ffff80008f657060 x3 : ffff800080548b48 x2 : 0000000000000000 x1 : 0000000100000101 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: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:81 call_on_irq_stack+0x24/0x30 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:584 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:598 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:603 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596 rcu_is_watching_curr_cpu include/linux/context_tracking.h:128 [inline] (P) rcu_is_watching+0x70/0x134 kernel/rcu/tree.c:745 (P) trace_lock_release include/trace/events/lock.h:69 [inline] lock_release+0x68/0x39c kernel/locking/lockdep.c:5882 __might_fault+0xf0/0x124 mm/memory.c:6991 ____sys_recvmsg+0x2f4/0x744 net/socket.c:2799 ___sys_recvmsg+0x188/0x45c net/socket.c:2828 do_recvmmsg+0x294/0x7cc net/socket.c:2923 __sys_recvmmsg net/socket.c:2997 [inline] __do_sys_recvmmsg net/socket.c:3020 [inline] __se_sys_recvmmsg net/socket.c:3013 [inline] __arm64_sys_recvmmsg+0x17c/0x238 net/socket.c:3013 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 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+0x58/0x17c arch/arm64/kernel/entry-common.c:767 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 irq event stamp: 202469 hardirqs last enabled at (202468): [] __local_bh_enable_ip+0x1ec/0x35c kernel/softirq.c:412 hardirqs last disabled at (202469): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (202469): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (195950): [] softirq_handle_end kernel/softirq.c:425 [inline] softirqs last enabled at (195950): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:607 softirqs last disabled at (202431): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---