------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci0 WARNING: kernel/workqueue.c:2306 at __queue_work+0x1050/0x1440 kernel/workqueue.c:2305, CPU#1: syz.3.266/6053 Modules linked in: CPU: 1 UID: 0 PID: 6053 Comm: syz.3.266 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/02/2026 pstate: 634000c5 (nZCv daIF +PAN -UAO +TCO +DIT -SSBS BTYPE=--) pc : __queue_work+0x1050/0x1440 kernel/workqueue.c:2305 lr : __queue_work+0x1050/0x1440 kernel/workqueue.c:2305 sp : ffff80008eaf7b40 x29: ffff80008eaf7b70 x28: 0000000000000008 x27: dfff800000000000 x26: ffff0000f31b69c0 x25: 1fffe000193cb001 x24: 0000000100000101 x23: 0000000000000100 x22: ffff0000dcb6ca70 x21: ffff0000f31b6800 x20: ffff80008a116000 x19: ffff0000dcb6ca58 x18: 0000000000000000 x17: ffff800125426000 x16: ffff80008eaf0000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000103 x9 : d54b994874fe5600 x8 : d54b994874fe5600 x7 : ffff80008048ce60 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000802f7010 x2 : 0000000100000101 x1 : ffff0000c9e58000 x0 : 0000000000000000 Call trace: __queue_work+0x1050/0x1440 kernel/workqueue.c:2305 (P) delayed_work_timer_fn+0x74/0x94 kernel/workqueue.c:2547 call_timer_fn+0x194/0xa4c kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1794 [inline] __run_timers kernel/time/timer.c:2374 [inline] __run_timer_base+0x558/0x744 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+0x2ec/0xd98 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 invoke_softirq kernel/softirq.c:503 [inline] __irq_exit_rcu+0x1ac/0x428 kernel/softirq.c:735 irq_exit_rcu+0x14/0x84 kernel/softirq.c:752 __el1_irq arch/arm64/kernel/entry-common.c:510 [inline] el1_interrupt+0x40/0x60 arch/arm64/kernel/entry-common.c:522 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:527 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:590 __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) __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:178 [inline] (P) _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:198 (P) spin_unlock_irqrestore include/linux/spinlock.h:408 [inline] __skb_try_recv_datagram+0x148/0x404 net/core/datagram.c:267 __unix_dgram_recvmsg+0x240/0x85c net/unix/af_unix.c:2582 unix_dgram_recvmsg+0xcc/0xe4 net/unix/af_unix.c:2681 sock_recvmsg_nosec+0x94/0x130 net/socket.c:1126 ____sys_recvmsg+0x4fc/0x608 net/socket.c:2902 ___sys_recvmsg+0x16c/0x1f4 net/socket.c:2946 do_recvmmsg+0x288/0x7d4 net/socket.c:3041 __sys_recvmmsg+0x1e0/0x270 net/socket.c:3115 __do_sys_recvmmsg net/socket.c:3138 [inline] __se_sys_recvmmsg net/socket.c:3131 [inline] __arm64_sys_recvmmsg+0xdc/0x104 net/socket.c:3131 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140 el0_svc+0x64/0x260 arch/arm64/kernel/entry-common.c:736 el0t_64_sync_handler+0x48/0x148 arch/arm64/kernel/entry-common.c:755 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:594 irq event stamp: 89885 hardirqs last enabled at (89884): [] __local_bh_enable_ip+0x1ec/0x35c kernel/softirq.c:455 hardirqs last disabled at (89885): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:140 [inline] hardirqs last disabled at (89885): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:174 softirqs last enabled at (82220): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (82220): [] handle_softirqs+0xc28/0xd98 kernel/softirq.c:650 softirqs last disabled at (89865): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---