------------[ cut here ]------------ WARNING: CPU: 1 PID: 8718 at kernel/workqueue.c:1728 current_wq_worker kernel/workqueue_internal.h:69 [inline] WARNING: CPU: 1 PID: 8718 at kernel/workqueue.c:1728 is_chained_work kernel/workqueue.c:1669 [inline] WARNING: CPU: 1 PID: 8718 at kernel/workqueue.c:1728 __queue_work+0xdb8/0x12bc kernel/workqueue.c:1727 Modules linked in: CPU: 1 PID: 8718 Comm: sed Not tainted 6.8.0-rc7-syzkaller-g707081b61156 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 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:1669 [inline] lr : __queue_work+0xdb8/0x12bc kernel/workqueue.c:1727 sp : ffff800080017b70 x29: ffff800080017bb0 x28: 1fffe00024d17001 x27: dfff800000000000 x26: dfff800000000000 x25: ffff0000cd6fac00 x24: 0000000000000008 x23: ffff0000cd6fadc0 x22: ffff0001268b8008 x21: 0000000000000100 x20: ffff0001268b8000 x19: ffff000125044c10 x18: 1fffe00036804396 x17: ffff800125436000 x16: ffff80008ad6b09c x15: 0000000000000002 x14: ffff80008eca0458 x13: dfff800000000000 x12: 000000007d7c827b x11: 00000000915a55af x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0001268b8000 x7 : ffff80008042755c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008d4611c0 x2 : ffff000125044c10 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: current_wq_worker kernel/workqueue_internal.h:69 [inline] is_chained_work kernel/workqueue.c:1669 [inline] __queue_work+0xdb8/0x12bc kernel/workqueue.c:1727 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:1931 call_timer_fn+0x19c/0x8d4 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1746 [inline] __run_timers+0x57c/0x6fc kernel/time/timer.c:2038 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2051 __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:889 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:537 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:551 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:556 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:594 __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_acquire+0x278/0x71c kernel/locking/lockdep.c:5757 rcu_lock_acquire+0x38/0x44 include/linux/rcupdate.h:298 rcu_read_lock include/linux/rcupdate.h:750 [inline] __lruvec_stat_mod_folio+0x84/0x29c mm/memcontrol.c:906 __folio_remove_rmap mm/rmap.c:1553 [inline] folio_remove_rmap_ptes+0x204/0x354 mm/rmap.c:1590 zap_pte_range mm/memory.c:1478 [inline] zap_pmd_range mm/memory.c:1597 [inline] zap_pud_range mm/memory.c:1626 [inline] zap_p4d_range mm/memory.c:1647 [inline] unmap_page_range+0xd78/0x2400 mm/memory.c:1668 unmap_single_vma mm/memory.c:1714 [inline] unmap_vmas+0x378/0x598 mm/memory.c:1758 exit_mmap+0x214/0xd54 mm/mmap.c:3282 __mmput+0xec/0x390 kernel/fork.c:1343 mmput+0x70/0xac kernel/fork.c:1365 exit_mm+0x148/0x210 kernel/exit.c:569 do_exit+0x478/0x1f64 kernel/exit.c:858 do_group_exit+0x194/0x22c kernel/exit.c:1020 __do_sys_exit_group kernel/exit.c:1031 [inline] __se_sys_exit_group kernel/exit.c:1029 [inline] pid_child_should_wake+0x0/0x1dc kernel/exit.c:1029 __invoke_syscall arch/arm64/kernel/syscall.c:34 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:48 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:133 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:152 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 irq event stamp: 6423 hardirqs last enabled at (6422): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (6422): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (6423): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (6423): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (6194): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (6415): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]---