------------[ cut here ]------------ WARNING: CPU: 1 PID: 6567 at kernel/workqueue.c:2281 current_wq_worker kernel/workqueue_internal.h:69 [inline] WARNING: CPU: 1 PID: 6567 at kernel/workqueue.c:2281 is_chained_work kernel/workqueue.c:2223 [inline] WARNING: CPU: 1 PID: 6567 at kernel/workqueue.c:2281 __queue_work+0xdec/0x12b0 kernel/workqueue.c:2280 Modules linked in: CPU: 1 PID: 6567 Comm: syz.2.34 Tainted: G W 6.10.0-rc2-syzkaller-g8867bbd4a056 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xdec/0x12b0 kernel/workqueue_internal.h:69 lr : current_wq_worker kernel/workqueue_internal.h:69 [inline] lr : is_chained_work kernel/workqueue.c:2223 [inline] lr : __queue_work+0xdec/0x12b0 kernel/workqueue.c:2280 sp : ffff800080017b50 x29: ffff800080017b90 x28: 1fffe00019530b59 x27: dfff800000000000 x26: dfff800000000000 x25: ffff0000dbc17800 x24: 0000000000000008 x23: ffff0000dbc179c0 x22: ffff0000ca985ac8 x21: 0000000000000100 x20: ffff0000ca985ac0 x19: ffff0000eaca4938 x18: ffff0001fea8a9d0 x17: ffff800124a1d000 x16: ffff800082fdb8f0 x15: 0000000000000002 x14: ffff80008f3c0558 x13: dfff800000000000 x12: 0000000087848c48 x11: 000000001a3d9cf4 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000ca985ac0 x7 : ffff800080444b64 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008da89780 x2 : ffff0000eaca4938 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: current_wq_worker kernel/workqueue_internal.h:69 [inline] is_chained_work kernel/workqueue.c:2223 [inline] __queue_work+0xdec/0x12b0 kernel/workqueue.c:2280 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2505 call_timer_fn+0x1b4/0x93c kernel/time/timer.c:1792 expire_timers kernel/time/timer.c:1838 [inline] __run_timers kernel/time/timer.c:2417 [inline] __run_timer_base+0x59c/0x7b4 kernel/time/timer.c:2428 run_timer_base kernel/time/timer.c:2437 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2447 handle_softirqs+0x2ec/0xc34 kernel/softirq.c:554 __do_softirq+0x14/0x20 kernel/softirq.c:588 ____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:435 [inline] __irq_exit_rcu+0x1d8/0x434 kernel/softirq.c:637 irq_exit_rcu+0x14/0x84 kernel/softirq.c:649 __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:175 [inline] arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] seqcount_lockdep_reader_access+0xb8/0xd4 include/linux/seqlock.h:74 read_seqbegin include/linux/seqlock.h:772 [inline] zone_span_seqbegin include/linux/memory_hotplug.h:151 [inline] page_outside_zone_boundaries mm/page_alloc.c:434 [inline] bad_range+0x9c/0x29c mm/page_alloc.c:453 rmqueue mm/page_alloc.c:3007 [inline] get_page_from_freelist+0x2cb8/0x2d90 mm/page_alloc.c:3399 __alloc_pages_noprof+0x220/0x6d0 mm/page_alloc.c:4660 alloc_pages_mpol_noprof+0x33c/0x5f0 mm/mempolicy.c:2265 shmem_alloc_folio mm/shmem.c:1628 [inline] shmem_alloc_and_add_folio+0x1e8/0xd68 mm/shmem.c:1668 shmem_get_folio_gfp+0x6dc/0x1624 mm/shmem.c:2055 shmem_get_folio mm/shmem.c:2160 [inline] shmem_write_begin+0x138/0x4bc mm/shmem.c:2743 generic_perform_write+0x28c/0x588 mm/filemap.c:4015 shmem_file_write_iter+0x110/0x138 mm/shmem.c:2919 __kernel_write_iter+0x328/0x778 fs/read_write.c:523 dump_emit_page fs/coredump.c:893 [inline] dump_user_range+0x378/0x6b4 fs/coredump.c:954 elf_core_dump+0x30a8/0x3854 fs/binfmt_elf.c:2083 do_coredump+0x14cc/0x2330 fs/coredump.c:767 get_signal+0xf9c/0x1530 kernel/signal.c:2894 do_signal+0x1b0/0x3e8c arch/arm64/kernel/signal.c:1308 do_notify_resume+0x74/0x1f4 arch/arm64/kernel/entry-common.c:148 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713 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: 147321 hardirqs last enabled at (147320): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (147320): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (147321): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (147321): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (146902): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (146902): [] handle_softirqs+0xa60/0xc34 kernel/softirq.c:582 softirqs last disabled at (147313): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]---