------------[ cut here ]------------ WARNING: CPU: 1 PID: 536 at kernel/workqueue.c:2282 current_wq_worker kernel/workqueue_internal.h:69 [inline] WARNING: CPU: 1 PID: 536 at kernel/workqueue.c:2282 is_chained_work kernel/workqueue.c:2224 [inline] WARNING: CPU: 1 PID: 536 at kernel/workqueue.c:2282 __queue_work+0xdf4/0x12ac kernel/workqueue.c:2281 Modules linked in: CPU: 1 PID: 536 Comm: kworker/u8:9 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Workqueue: events_power_efficient gc_worker pstate: 004000c5 (nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __queue_work+0xdf4/0x12ac kernel/workqueue_internal.h:69 lr : current_wq_worker kernel/workqueue_internal.h:69 [inline] lr : is_chained_work kernel/workqueue.c:2224 [inline] lr : __queue_work+0xdf4/0x12ac kernel/workqueue.c:2281 sp : ffff800080017b20 x29: ffff800080017b70 x28: 1fffe00018d80b59 x27: dfff800000000000 x26: dfff800000000000 x25: ffff0000cec35000 x24: 0000000000000008 x23: 1fffe00018d80b59 x22: ffff0000cec351c0 x21: 0000000000000100 x20: ffff0000c6c05ac0 x19: ffff0000c1d00938 x18: 1fffe000367a85de x17: ffff800124b1b000 x16: ffff800082f95f34 x15: 0000000000000002 x14: ffff80008f2e0568 x13: dfff800000000000 x12: 00000000ffff0450 x11: 00000000dd78df70 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c6c05ac0 x7 : ffff8000804375bc x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008d9cb7e0 x2 : ffff0000c1d00938 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: current_wq_worker kernel/workqueue_internal.h:69 [inline] is_chained_work kernel/workqueue.c:2224 [inline] __queue_work+0xdf4/0x12ac kernel/workqueue.c:2281 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2506 call_timer_fn+0x1b4/0x8e8 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+0x2e4/0xbfc 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+0xe4/0x104 include/linux/seqlock.h:74 nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:345 [inline] gc_worker+0x298/0x1288 net/netfilter/nf_conntrack_core.c:1488 process_one_work+0x79c/0x15b8 kernel/workqueue.c:3248 process_scheduled_works kernel/workqueue.c:3329 [inline] worker_thread+0x938/0xecc kernel/workqueue.c:3409 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860 irq event stamp: 3712487 hardirqs last enabled at (3712486): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (3712486): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (3712487): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (3712487): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (3691426): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (3691426): [] macvlan_process_broadcast+0x230/0x6c8 drivers/net/macvlan.c:332 softirqs last disabled at (3712441): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]---