------------[ cut here ]------------ WARNING: CPU: 0 PID: 9924 at kernel/workqueue.c:1722 current_wq_worker kernel/workqueue_internal.h:69 [inline] WARNING: CPU: 0 PID: 9924 at kernel/workqueue.c:1722 is_chained_work kernel/workqueue.c:1663 [inline] WARNING: CPU: 0 PID: 9924 at kernel/workqueue.c:1722 __queue_work+0xdb8/0x12bc kernel/workqueue.c:1721 Modules linked in: CPU: 0 PID: 9924 Comm: syz-executor.3 Not tainted 6.7.0-rc6-syzkaller-gaafe7ad77b91 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xdb8/0x12bc kernel/workqueue_internal.h:69 lr : current_wq_worker kernel/workqueue_internal.h:69 [inline] lr : is_chained_work kernel/workqueue.c:1663 [inline] lr : __queue_work+0xdb8/0x12bc kernel/workqueue.c:1721 sp : ffff800080007b70 x29: ffff800080007bb0 x28: 1fffe00019524781 x27: dfff800000000000 x26: dfff800000000000 x25: ffff0000c2d2d800 x24: 0000000000000008 x23: ffff0000c2d2d9c0 x22: ffff0000ca923c08 x21: 0000000000000100 x20: ffff0000ca923c00 x19: ffff0000d49b0c10 x18: 0000000000000000 x17: ffff800125cea000 x16: ffff80008a82b138 x15: 0000000000000002 x14: ffff80008e4f0448 x13: dfff800000000000 x12: 00000000f0f1f9f8 x11: 00000000c0cbc4d5 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000ca923c00 x7 : ffff80008041c440 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008cd8e1c0 x2 : ffff0000d49b0c10 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: current_wq_worker kernel/workqueue_internal.h:69 [inline] is_chained_work kernel/workqueue.c:1663 [inline] __queue_work+0xdb8/0x12bc kernel/workqueue.c:1721 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:1925 call_timer_fn+0x19c/0x8cc kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1746 [inline] __run_timers+0x5b4/0x734 kernel/time/timer.c:2022 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2035 __do_softirq+0x2d8/0xce4 kernel/softirq.c:553 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:886 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:434 [inline] __irq_exit_rcu+0x1d8/0x434 kernel/softirq.c:632 irq_exit_rcu+0x14/0x84 kernel/softirq.c:644 __el1_irq arch/arm64/kernel/entry-common.c:503 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:517 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:522 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:591 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:176 [inline] arch_local_irq_restore arch/arm64/include/asm/irqflags.h:196 [inline] lock_release+0x4f4/0x9ac kernel/locking/lockdep.c:5777 rcu_lock_release+0x2c/0x38 include/linux/rcupdate.h:306 rcu_read_unlock include/linux/rcupdate.h:780 [inline] page_ext_put+0xb0/0xc8 mm/page_ext.c:533 page_table_check_clear+0x50c/0x5b0 mm/page_table_check.c:89 __page_table_check_pte_clear+0x7c/0x9c mm/page_table_check.c:158 page_table_check_pte_clear include/linux/page_table_check.h:49 [inline] ptep_get_and_clear arch/arm64/include/asm/pgtable.h:956 [inline] ptep_get_and_clear_full include/linux/pgtable.h:551 [inline] zap_pte_range mm/memory.c:1440 [inline] zap_pmd_range mm/memory.c:1583 [inline] zap_pud_range mm/memory.c:1612 [inline] zap_p4d_range mm/memory.c:1633 [inline] unmap_page_range+0x1da8/0x2384 mm/memory.c:1654 unmap_single_vma mm/memory.c:1700 [inline] unmap_vmas+0x378/0x578 mm/memory.c:1744 exit_mmap+0x1e8/0xc28 mm/mmap.c:3308 __mmput+0xec/0x390 kernel/fork.c:1349 mmput+0x70/0xac kernel/fork.c:1371 exit_mm+0x148/0x210 kernel/exit.c:567 do_exit+0x478/0x1f64 kernel/exit.c:856 do_group_exit+0x194/0x22c kernel/exit.c:1018 get_signal+0x1500/0x15ec kernel/signal.c:2904 do_signal arch/arm64/kernel/signal.c:1249 [inline] do_notify_resume+0x3bc/0x393c arch/arm64/kernel/signal.c:1302 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0x9c/0x158 arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 irq event stamp: 2087 hardirqs last enabled at (2086): [] __do_softirq+0x1bc/0xce4 kernel/softirq.c:537 hardirqs last disabled at (2087): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (2087): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (2034): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (2085): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]---