------------[ cut here ]------------ WARNING: CPU: 0 PID: 6656 at kernel/workqueue.c:2257 current_wq_worker kernel/workqueue_internal.h:69 [inline] WARNING: CPU: 0 PID: 6656 at kernel/workqueue.c:2257 is_chained_work kernel/workqueue.c:2199 [inline] WARNING: CPU: 0 PID: 6656 at kernel/workqueue.c:2257 __queue_work+0xe50/0x1308 kernel/workqueue.c:2256 Modules linked in: CPU: 0 UID: 0 PID: 6656 Comm: syz.3.37 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xe50/0x1308 kernel/workqueue_internal.h:69 lr : current_wq_worker kernel/workqueue_internal.h:69 [inline] lr : is_chained_work kernel/workqueue.c:2199 [inline] lr : __queue_work+0xe50/0x1308 kernel/workqueue.c:2256 sp : ffff800080007b40 x29: ffff800080007b90 x28: dfff800000000000 x27: ffff700010000f88 x26: dfff800000000000 x25: ffff0000d95da000 x24: 0000000000000008 x23: 1fffe0001a50c001 x22: ffff0000d95da1c0 x21: 0000000000000100 x20: ffff0000d2860000 x19: ffff0000d9584930 x18: 0000000000000000 x17: ffff800123ef6000 x16: ffff800083275834 x15: 0000000000000002 x14: 1ffff00011f340ca x13: dfff800000000000 x12: 0000000072737aac x11: 0000000058e91dd1 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d2860000 x7 : ffff800080585750 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008df83760 x2 : ffff0000d9584930 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: current_wq_worker kernel/workqueue_internal.h:69 [inline] (P) is_chained_work kernel/workqueue.c:2199 [inline] (P) __queue_work+0xe50/0x1308 kernel/workqueue.c:2256 (P) delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2485 call_timer_fn+0x1b4/0x8b8 kernel/time/timer.c:1793 expire_timers kernel/time/timer.c:1839 [inline] __run_timers kernel/time/timer.c:2418 [inline] __run_timer_base+0x59c/0x7b4 kernel/time/timer.c:2430 run_timer_base kernel/time/timer.c:2439 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2449 handle_softirqs+0x320/0xd34 kernel/softirq.c:561 __do_softirq+0x14/0x20 kernel/softirq.c:595 ____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 invoke_softirq kernel/softirq.c:442 [inline] __irq_exit_rcu+0x1d8/0x544 kernel/softirq.c:662 irq_exit_rcu+0x14/0x84 kernel/softirq.c:678 el0_interrupt+0x6c/0x248 arch/arm64/kernel/entry-common.c:830 __el0_irq_handler_common+0x18/0x24 arch/arm64/kernel/entry-common.c:837 el0t_64_irq_handler+0x10/0x1c arch/arm64/kernel/entry-common.c:842 el0t_64_irq+0x198/0x19c arch/arm64/kernel/entry.S:601 irq event stamp: 104859 hardirqs last enabled at (104858): [] handle_softirqs+0x1ec/0xd34 kernel/softirq.c:545 hardirqs last disabled at (104859): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (104859): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (104606): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (104857): [] __do_softirq+0x14/0x20 kernel/softirq.c:595 ---[ end trace 0000000000000000 ]--- vkms_vblank_simulate: vblank timer overrun