------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci2 WARNING: CPU: 1 PID: 24 at kernel/workqueue.c:2258 __queue_work+0xe38/0x1230 kernel/workqueue.c:2256 Modules linked in: CPU: 1 UID: 0 PID: 24 Comm: kworker/1:0 Not tainted 6.15.0-rc4-syzkaller-ge0f4c8dd9d2d #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: wg-crypt-wg0 wg_packet_encrypt_worker 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: ffff0000d7851800 x25: dfff800000000000 x24: 0000000000000008 x23: ffff0000d78519c0 x22: 0000000000000100 x21: 1fffe0001af0a338 x20: ffff800092804000 x19: ffff0000c687c948 x18: 00000000ffffffff x17: 0000000000000000 x16: ffff80008ad0f308 x15: ffff700011e6ff40 x14: 1ffff00011e6ff40 x13: 0000000000000004 x12: ffffffffffffffff x11: ffff700011e6ff40 x10: 0000000000ff0100 x9 : 42b7f7cf6ea71d00 x8 : 42b7f7cf6ea71d00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800080017478 x4 : ffff80008f3f4fa0 x3 : ffff80008053fd64 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:1789 expire_timers kernel/time/timer.c:1835 [inline] __run_timers kernel/time/timer.c:2414 [inline] __run_timer_base+0x54c/0x76c kernel/time/timer.c:2426 run_timer_base kernel/time/timer.c:2435 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2445 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+0x24/0x4c arch/arm64/kernel/entry.S:891 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 do_softirq+0x90/0xf8 kernel/softirq.c:480 __local_bh_enable_ip+0x240/0x35c kernel/softirq.c:407 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:167 [inline] _raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:210 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline] wg_packet_encrypt_worker+0x21c/0x11e0 drivers/net/wireguard/send.c:293 process_one_work+0x7e8/0x156c kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x958/0xed8 kernel/workqueue.c:3400 kthread+0x5fc/0x75c kernel/kthread.c:464 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 irq event stamp: 49575 hardirqs last enabled at (49574): [] __local_bh_enable_ip+0x1ec/0x35c kernel/softirq.c:412 hardirqs last disabled at (49575): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (49575): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (49504): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (49504): [] ptr_ring_consume_bh include/linux/ptr_ring.h:367 [inline] softirqs last enabled at (49504): [] wg_packet_encrypt_worker+0x21c/0x11e0 drivers/net/wireguard/send.c:293 softirqs last disabled at (49505): [] __do_softirq+0x14/0x20 kernel/softirq.c:613 ---[ end trace 0000000000000000 ]---