------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci3 WARNING: CPU: 1 PID: 6868 at kernel/workqueue.c:2258 __queue_work+0xe10/0x1210 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 6868 Comm: syz.1.53 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025 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: ffff0000c96d0000 x23: ffff0000c96d01c0 x22: 0000000000000100 x21: 1fffe000192da038 x20: ffff800092bf9000 x19: ffff0000c8710990 x18: 1fffe000337dfe90 x17: ffff80010ca32000 x16: ffff800082de9540 x15: 0000000000000001 x14: 1ffff00012233ee4 x13: 0000000000000000 x12: 0000000000000000 x11: ffff700012233ee5 x10: 0000000000ff0100 x9 : ce78760271dd7800 x8 : ce78760271dd7800 x7 : ffff8000805638d4 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000807d4f2c x2 : 0000000000000002 x1 : 0000000000000101 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 __lse__cmpxchg_case_acq_64 arch/arm64/include/asm/atomic_lse.h:272 [inline] (P) __cmpxchg_case_acq_64 arch/arm64/include/asm/cmpxchg.h:121 [inline] (P) __cmpxchg_acq arch/arm64/include/asm/cmpxchg.h:169 [inline] (P) raw_atomic64_cmpxchg_acquire include/linux/atomic/atomic-arch-fallback.h:4181 [inline] (P) raw_atomic64_try_cmpxchg_acquire include/linux/atomic/atomic-arch-fallback.h:4299 [inline] (P) raw_atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-long.h:1482 [inline] (P) atomic_long_try_cmpxchg_acquire include/linux/atomic/atomic-instrumented.h:4458 [inline] (P) __mutex_trylock_common+0x17c/0x258 kernel/locking/mutex.c:113 (P) __mutex_trylock kernel/locking/mutex.c:136 [inline] __mutex_lock_common+0x1e8/0x2678 kernel/locking/mutex.c:601 __mutex_lock kernel/locking/mutex.c:760 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:812 __unix_dgram_recvmsg+0x178/0xb7c net/unix/af_unix.c:2598 unix_dgram_recvmsg+0xd0/0xe8 net/unix/af_unix.c:2700 sock_recvmsg_nosec+0x90/0xec net/socket.c:1078 ____sys_recvmsg+0x5e0/0x744 net/socket.c:2848 ___sys_recvmsg+0x188/0x45c net/socket.c:2892 do_recvmmsg+0x294/0x7cc net/socket.c:2987 __sys_recvmmsg net/socket.c:3061 [inline] __do_sys_recvmmsg net/socket.c:3084 [inline] __se_sys_recvmmsg net/socket.c:3077 [inline] __arm64_sys_recvmmsg+0x17c/0x238 net/socket.c:3077 __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: 222931 hardirqs last enabled at (222930): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (222930): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (222931): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (222931): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (216930): [] softirq_handle_end kernel/softirq.c:468 [inline] softirqs last enabled at (216930): [] handle_softirqs+0xaf8/0xc88 kernel/softirq.c:650 softirqs last disabled at (222907): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---