------------[ cut here ]------------ WARNING: CPU: 1 PID: 15132 at kernel/workqueue.c:1441 __queue_work+0xf9c/0x123c kernel/workqueue.c:1441 Modules linked in: CPU: 1 PID: 15132 Comm: udevd Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 424000c5 (nZcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xf9c/0x123c kernel/workqueue.c:1441 lr : __queue_work+0xf9c/0x123c kernel/workqueue.c:1441 sp : ffff800008017b30 x29: ffff800008017b70 x28: 1fffe0001a6316f1 x27: 0000000000000008 x26: ffff700001002f84 x25: dfff800000000000 x24: ffff0000cee91800 x23: ffff0000cee919c0 x22: ffff0000d318b788 x21: 1fffe0001a6316f1 x20: 00000000000b0012 x19: ffff0000d21b8bc0 x18: 0000000000000000 x17: ffff80018a889000 x16: ffff8000082d1e90 x15: 0000000000000000 x14: 00000000ffffffe0 x13: 1ffff00002a040b1 x12: 0000000000ff0100 x11: ff008000081f1934 x10: 0000000000000000 x9 : ffff8000081f1934 x8 : ffff0000d318b780 x7 : ffff8000083af648 x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800013a72080 x2 : ffff0000d21b8bc0 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: __queue_work+0xf9c/0x123c kernel/workqueue.c:1441 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:1646 call_timer_fn+0x1b8/0x964 kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1746 [inline] __run_timers+0x4c0/0x6d8 kernel/time/timer.c:2022 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2035 handle_softirqs+0x318/0xc6c kernel/softirq.c:596 __do_softirq+0x14/0x20 kernel/softirq.c:630 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:897 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 invoke_softirq kernel/softirq.c:477 [inline] __irq_exit_rcu+0x23c/0x43c kernel/softirq.c:679 irq_exit_rcu+0x14/0x84 kernel/softirq.c:691 __el1_irq arch/arm64/kernel/entry-common.c:472 [inline] el1_interrupt+0x38/0x54 arch/arm64/kernel/entry-common.c:486 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:491 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:581 arch_local_irq_restore arch/arm64/include/asm/irqflags.h:122 [inline] put_cpu_partial+0x17c/0x1fc mm/slub.c:2664 __slab_free+0x1a8/0x274 mm/slub.c:3564 do_slab_free mm/slub.c:3641 [inline] ___cache_free+0x16c/0x19c mm/slub.c:3694 qlink_free+0x5c/0xa4 mm/kasan/quarantine.c:168 qlist_free_all+0x3c/0xcc mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x124/0x130 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x2c/0x88 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook+0x74/0x43c mm/slab.h:737 slab_alloc_node mm/slub.c:3359 [inline] slab_alloc mm/slub.c:3367 [inline] __kmem_cache_alloc_lru mm/slub.c:3374 [inline] kmem_cache_alloc+0x234/0x318 mm/slub.c:3383 anon_vma_chain_alloc mm/rmap.c:141 [inline] __anon_vma_prepare+0x6c/0x370 mm/rmap.c:195 anon_vma_prepare include/linux/rmap.h:159 [inline] do_anonymous_page mm/memory.c:4189 [inline] handle_pte_fault mm/memory.c:5029 [inline] __handle_mm_fault mm/memory.c:5173 [inline] handle_mm_fault+0x29ac/0x2ff0 mm/memory.c:5294 __do_page_fault arch/arm64/mm/fault.c:499 [inline] do_page_fault+0x310/0x99c arch/arm64/mm/fault.c:583 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:667 do_mem_abort+0x70/0x194 arch/arm64/mm/fault.c:804 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:367 el1h_64_sync_handler+0x80/0xcc arch/arm64/kernel/entry-common.c:427 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:580 __arch_copy_to_user+0x190/0x234 arch/arm64/lib/copy_template.S:158 copy_page_to_iter+0x228/0x354 lib/iov_iter.c:725 copy_folio_to_iter include/linux/uio.h:172 [inline] filemap_read+0x17b0/0x1fd8 mm/filemap.c:2819 blkdev_read_iter+0x364/0x49c block/fops.c:614 call_read_iter include/linux/fs.h:2259 [inline] new_sync_read fs/read_write.c:389 [inline] vfs_read+0x5ac/0x7c4 fs/read_write.c:470 ksys_read+0x120/0x210 fs/read_write.c:613 __do_sys_read fs/read_write.c:623 [inline] __se_sys_read fs/read_write.c:621 [inline] __arm64_sys_read+0x7c/0x90 fs/read_write.c:621 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 35975 hardirqs last enabled at (35974): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (35974): [] _raw_spin_unlock_irqrestore+0x48/0xac kernel/locking/spinlock.c:194 hardirqs last disabled at (35975): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (35975): [] _raw_spin_lock_irq+0x34/0x9c kernel/locking/spinlock.c:170 softirqs last enabled at (34496): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (35939): [] __do_softirq+0x14/0x20 kernel/softirq.c:630 ---[ end trace 0000000000000000 ]---