------------[ cut here ]------------ WARNING: CPU: 0 PID: 4506 at kernel/workqueue.c:1441 __queue_work+0x10c8/0x136c kernel/workqueue.c:1441 Modules linked in: CPU: 0 PID: 4506 Comm: syz-executor.2 Not tainted 6.1.94-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0x10c8/0x136c kernel/workqueue.c:1441 lr : __queue_work+0x10c8/0x136c kernel/workqueue.c:1441 sp : ffff800008007b50 x29: ffff800008007b90 x28: 0000000000000008 x27: dfff800000000000 x26: ffff0000de58d000 x25: dfff800000000000 x24: 0000000000000101 x23: ffff0000de58d1c0 x22: ffff0000f3368008 x21: 1fffe0001e66d001 x20: 00000000000b0012 x19: ffff0000ccf74bc0 x18: ffff80001e216d60 x17: ffff80019ebb4000 x16: ffff80001215f7e4 x15: 0000000000010001 x14: 1ffff00002b0a0b0 x13: dfff800000000000 x12: 0000000041404677 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff8000082168b8 x8 : ffff0000f3368000 x7 : ffff8000083facac x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80001429a4e0 x2 : ffff0000ccf74bc0 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: __queue_work+0x10c8/0x136c kernel/workqueue.c:1441 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:1646 call_timer_fn+0x1c0/0xa1c kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1544 [inline] __run_timers+0x584/0x718 kernel/time/timer.c:1820 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:1833 handle_softirqs+0x318/0xd58 kernel/softirq.c:571 __do_softirq+0x14/0x20 kernel/softirq.c:605 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:893 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 invoke_softirq kernel/softirq.c:452 [inline] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:654 irq_exit_rcu+0x14/0x84 kernel/softirq.c:666 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:486 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:35 [inline] raw_spin_rq_unlock_irq kernel/sched/sched.h:1366 [inline] finish_lock_switch+0xc4/0x1e8 kernel/sched/core.c:5004 finish_task_switch+0x120/0x624 kernel/sched/core.c:5122 context_switch kernel/sched/core.c:5248 [inline] __schedule+0xee8/0x1c98 kernel/sched/core.c:6558 schedule+0xc4/0x170 kernel/sched/core.c:6634 futex_wait_queue+0x120/0x1bc kernel/futex/waitwake.c:355 futex_wait+0x1a8/0x440 kernel/futex/waitwake.c:656 do_futex+0x294/0x458 kernel/futex/syscalls.c:106 __do_sys_futex kernel/futex/syscalls.c:183 [inline] __se_sys_futex kernel/futex/syscalls.c:164 [inline] __arm64_sys_futex+0x1e0/0x464 kernel/futex/syscalls.c:164 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 99 hardirqs last enabled at (98): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (98): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (99): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (99): [] _raw_spin_lock_irq+0x34/0x9c kernel/locking/spinlock.c:170 softirqs last enabled at (8): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (89): [] __do_softirq+0x14/0x20 kernel/softirq.c:605 ---[ end trace 0000000000000000 ]--- vkms_vblank_simulate: vblank timer overrun