------------[ cut here ]------------ WARNING: CPU: 1 PID: 27299 at kernel/workqueue.c:1728 current_wq_worker kernel/workqueue_internal.h:69 [inline] WARNING: CPU: 1 PID: 27299 at kernel/workqueue.c:1728 is_chained_work kernel/workqueue.c:1669 [inline] WARNING: CPU: 1 PID: 27299 at kernel/workqueue.c:1728 __queue_work+0xdb8/0x12bc kernel/workqueue.c:1727 Modules linked in: CPU: 1 PID: 27299 Comm: syz-executor.4 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: 1fffe0001a248001 x27: dfff800000000000 x26: dfff800000000000 x25: ffff0000d5024800 x24: 0000000000000008 x23: ffff0000d50249c0 x22: ffff0000d1240008 x21: 0000000000000100 x20: ffff0000d1240000 x19: ffff000126ab0c10 x18: 0000000000000000 x17: ffff800125436000 x16: ffff80008ad6b09c x15: 0000000000000002 x14: ffff80008eca0458 x13: dfff800000000000 x12: 000000002d2e323e x11: 0000000043216013 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000d1240000 x7 : ffff80008042755c x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008d4611c0 x2 : ffff000126ab0c10 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 check_preemption_disabled+0x2c/0xf8 lib/smp_processor_id.c:14 debug_smp_processor_id+0x20/0x2c lib/smp_processor_id.c:60 rcu_dynticks_curr_cpu_in_eqs include/linux/context_tracking.h:122 [inline] rcu_is_watching+0x5c/0x18c kernel/rcu/tree.c:700 trace_lock_acquire include/trace/events/lock.h:24 [inline] lock_acquire+0x100/0x71c kernel/locking/lockdep.c:5725 rcu_lock_acquire+0x44/0x54 include/linux/rcupdate.h:298 rcu_read_lock include/linux/rcupdate.h:750 [inline] page_ext_get+0x2c/0x2d4 mm/page_ext.c:508 page_table_check_set+0xa0/0x484 mm/page_table_check.c:109 __page_table_check_ptes_set+0x1e4/0x238 mm/page_table_check.c:196 page_table_check_ptes_set include/linux/page_table_check.h:74 [inline] set_ptes arch/arm64/include/asm/pgtable.h:353 [inline] copy_present_pte mm/memory.c:993 [inline] copy_pte_range mm/memory.c:1102 [inline] copy_pmd_range mm/memory.c:1187 [inline] copy_pud_range mm/memory.c:1224 [inline] copy_p4d_range mm/memory.c:1248 [inline] copy_page_range+0x2c5c/0x3b90 mm/memory.c:1346 dup_mmap kernel/fork.c:745 [inline] dup_mm kernel/fork.c:1685 [inline] copy_mm+0xf4c/0x1bbc kernel/fork.c:1734 copy_process+0x1980/0x3478 kernel/fork.c:2497 kernel_clone+0x1d8/0x80c kernel/fork.c:2902 __do_sys_clone kernel/fork.c:3045 [inline] __se_sys_clone kernel/fork.c:3013 [inline] __arm64_sys_clone+0x1f8/0x24c kernel/fork.c:3013 __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: 846057 hardirqs last enabled at (846056): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (846056): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (846057): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (846057): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (845646): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (846043): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]---