syzbot

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WARNING: CPU: 1 PID: 6535 at kernel/workqueue.c:2257 current_wq_worker kernel/workqueue_internal.h:69 [inline]
WARNING: CPU: 1 PID: 6535 at kernel/workqueue.c:2257 is_chained_work kernel/workqueue.c:2199 [inline]
WARNING: CPU: 1 PID: 6535 at kernel/workqueue.c:2257 __queue_work+0xe50/0x1308 kernel/workqueue.c:2256
Modules linked in:
CPU: 1 UID: 0 PID: 6535 Comm: syz.4.5 Not tainted 6.12.0-syzkaller-g7b1d1d4cfac0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 404000c5 (nZcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __queue_work+0xe50/0x1308 kernel/workqueue_internal.h:69
lr : current_wq_worker kernel/workqueue_internal.h:69 [inline]
lr : is_chained_work kernel/workqueue.c:2199 [inline]
lr : __queue_work+0xe50/0x1308 kernel/workqueue.c:2256
sp : ffff800080017b20
x29: ffff800080017b70 x28: 1fffe0001a80ab59 x27: dfff800000000000
x26: dfff800000000000 x25: ffff0000d9474000 x24: 0000000000000008
x23: 1fffe0001a80ab59 x22: ffff0000d94741c0 x21: 0000000000000100
x20: ffff0000d4055ac0 x19: ffff0000d92cc930 x18: 1fffe000366cb076
x17: ffff800123ee9000 x16: ffff8000830d1d70 x15: 0000000000000002
x14: ffff80008f8205d8 x13: dfff800000000000 x12: 00000000051a0dc8
x11: 0000000094a43704 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000d4055ac0 x7 : ffff800080470ed8 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008de2e840
x2 : ffff0000d92cc930 x1 : 0000000000000100 x0 : 0000000000000000
Call trace:
 current_wq_worker kernel/workqueue_internal.h:69 [inline] (P)
 is_chained_work kernel/workqueue.c:2199 [inline] (P)
 __queue_work+0xe50/0x1308 kernel/workqueue.c:2256 (P)
 current_wq_worker kernel/workqueue_internal.h:69 [inline] (L)
 is_chained_work kernel/workqueue.c:2199 [inline] (L)
 __queue_work+0xe50/0x1308 kernel/workqueue.c:2256 (L)
 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2485
 call_timer_fn+0x1b4/0x8f0 kernel/time/timer.c:1794
 expire_timers kernel/time/timer.c:1840 [inline]
 __run_timers kernel/time/timer.c:2419 [inline]
 __run_timer_base+0x59c/0x7b4 kernel/time/timer.c:2430
 run_timer_base kernel/time/timer.c:2439 [inline]
 run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2449
 handle_softirqs+0x2e0/0xbf8 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:891
 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0x1d8/0x544 kernel/softirq.c:655
 irq_exit_rcu+0x14/0x84 kernel/softirq.c:671
 __el1_irq arch/arm64/kernel/entry-common.c:561 [inline]
 el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:575
 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:580
 el1h_64_irq+0x6c/0x70 arch/arm64/kernel/entry.S:596
 __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P)
 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P)
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] (P)
 _raw_spin_unlock_irqrestore+0x44/0x98 kernel/locking/spinlock.c:194 (P)
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] (L)
 _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 (L)
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 unlock_page_lruvec_irqrestore include/linux/memcontrol.h:1565 [inline]
 folio_batch_move_lru+0x30c/0x3c0 mm/swap.c:205
 folio_activate_drain mm/swap.c:352 [inline]
 lru_add_drain_cpu+0x31c/0x458 mm/swap.c:672
 lru_add_drain+0x8c/0x168 mm/swap.c:729
 free_pages_and_swap_cache+0xcc/0x4d0 mm/swap_state.c:320
 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
 tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
 tlb_flush_mmu+0x15c/0x398 mm/mmu_gather.c:373
 zap_pte_range mm/memory.c:1700 [inline]
 zap_pmd_range mm/memory.c:1739 [inline]
 zap_pud_range mm/memory.c:1768 [inline]
 zap_p4d_range mm/memory.c:1789 [inline]
 unmap_page_range+0x28b4/0x2e3c mm/memory.c:1810
 unmap_single_vma mm/memory.c:1856 [inline]
 unmap_vmas+0x378/0x598 mm/memory.c:1900
 vms_clear_ptes+0x2cc/0x46c mm/vma.c:1095
 vms_clean_up_area+0x70/0x19c mm/vma.c:1114
 __mmap_region mm/mmap.c:1426 [inline]
 mmap_region+0xd0c/0x1d44 mm/mmap.c:1603
 do_mmap+0x8c4/0xfac mm/mmap.c:496
 vm_mmap_pgoff+0x1a0/0x38c mm/util.c:588
 ksys_mmap_pgoff+0xd0/0x5c8 mm/mmap.c:542
 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline]
 __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline]
 __arm64_sys_mmap+0xf8/0x110 arch/arm64/kernel/sys.c:21
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 5855
hardirqs last  enabled at (5854): [<ffff8000802030f4>] handle_softirqs+0x1c0/0xbf8 kernel/softirq.c:538
hardirqs last disabled at (5855): [<ffff80008b5a73ac>] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline]
hardirqs last disabled at (5855): [<ffff80008b5a73ac>] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170
softirqs last  enabled at (3484): [<ffff80008020396c>] softirq_handle_end kernel/softirq.c:400 [inline]
softirqs last  enabled at (3484): [<ffff80008020396c>] handle_softirqs+0xa38/0xbf8 kernel/softirq.c:582
softirqs last disabled at (5853): [<ffff800080020db4>] __do_softirq+0x14/0x20 kernel/softirq.c:588
---[ end trace 0000000000000000 ]---