------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci0 WARNING: CPU: 1 PID: 6605 at kernel/workqueue.c:2258 __queue_work+0xe10/0x1210 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 6605 Comm: kworker/1:3 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Workqueue: xfs-buf/loop5 xfs_buf_ioend_work 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 : ffff800097967b20 x29: ffff800097967b70 x28: dfff800000000000 x27: ffff700012f2cf84 x26: 0000000000000008 x25: dfff800000000000 x24: ffff0000c8c50000 x23: ffff0000c8c501c0 x22: 0000000000000100 x21: 1fffe0001918a038 x20: ffff800092c29000 x19: ffff0000dd078990 x18: 00000000ffffffff x17: ffff80010c9cc000 x16: ffff800082defcc0 x15: 0000000000000001 x14: 1ffff00012239b60 x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000bb1 x10: 0000000000ff0100 x9 : f44822efc4bbcf00 x8 : f44822efc4bbcf00 x7 : ffff800080565b88 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000000 x3 : ffff8000807d6d54 x2 : 0000000000000002 x1 : 0000000100000102 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: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+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: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_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:151 [inline] (P) _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:194 (P) spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] __wake_up_common_lock kernel/sched/wait.c:127 [inline] __wake_up+0x14c/0x1a8 kernel/sched/wait.c:146 xfs_ail_update_finish+0x118/0x158 fs/xfs/xfs_trans_ail.c:774 xfs_qm_dqflush_done fs/xfs/xfs_dquot.c:1194 [inline] xfs_buf_dquot_iodone+0x2bc/0x3cc fs/xfs/xfs_dquot.c:1228 __xfs_buf_ioend+0x260/0x684 fs/xfs/xfs_buf.c:1202 xfs_buf_ioend_work+0x24/0x54 fs/xfs/xfs_buf.c:1229 process_one_work+0x7e8/0x155c kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3427 kthread+0x5fc/0x75c kernel/kthread.c:463 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844 irq event stamp: 73269 hardirqs last enabled at (73268): [] handle_softirqs+0x1f4/0xc88 kernel/softirq.c:606 hardirqs last disabled at (73269): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (73269): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (73152): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (73152): [] ptr_ring_consume_bh include/linux/ptr_ring.h:377 [inline] softirqs last enabled at (73152): [] wg_packet_encrypt_worker+0x1154/0x11e0 drivers/net/wireguard/send.c:293 softirqs last disabled at (73267): [] __do_softirq+0x14/0x20 kernel/softirq.c:656 ---[ end trace 0000000000000000 ]---