------------[ cut here ]------------ WARNING: CPU: 0 PID: 10181 at kernel/workqueue.c:2335 current_wq_worker kernel/workqueue_internal.h:69 [inline] WARNING: CPU: 0 PID: 10181 at kernel/workqueue.c:2335 is_chained_work kernel/workqueue.c:2277 [inline] WARNING: CPU: 0 PID: 10181 at kernel/workqueue.c:2335 __queue_work+0xdec/0x12b0 kernel/workqueue.c:2334 Modules linked in: CPU: 0 PID: 10181 Comm: syz-executor.1 Not tainted 6.9.0-rc7-syzkaller-gfda5695d692c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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:2277 [inline] lr : __queue_work+0xdec/0x12b0 kernel/workqueue.c:2334 sp : ffff800080007b50 x29: ffff800080007b90 x28: 1fffe000191bbb59 x27: dfff800000000000 x26: dfff800000000000 x25: ffff0000f878b800 x24: 0000000000000008 x23: ffff0000f878b9c0 x22: ffff0000c8dddac8 x21: 0000000000000100 x20: ffff0000c8dddac0 x19: ffff0000df7c4c10 x18: ffff8000989d64e0 x17: ffff800124fc3000 x16: ffff80008ae89e3c x15: 0000000000000002 x14: ffff80008eeb0668 x13: dfff800000000000 x12: 00000000b4abbdb9 x11: 00000000a69f253e x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff0000c8dddac0 x7 : ffff80008043ebb8 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008d610120 x2 : ffff0000df7c4c10 x1 : 0000000000000100 x0 : 0000000000000000 Call trace: current_wq_worker kernel/workqueue_internal.h:69 [inline] is_chained_work kernel/workqueue.c:2277 [inline] __queue_work+0xdec/0x12b0 kernel/workqueue.c:2334 delayed_work_timer_fn+0x74/0x90 kernel/workqueue.c:2542 call_timer_fn+0x1b4/0x93c kernel/time/timer.c:1793 expire_timers kernel/time/timer.c:1839 [inline] __run_timers kernel/time/timer.c:2418 [inline] __run_timer_base+0x59c/0x7b4 kernel/time/timer.c:2429 run_timer_base kernel/time/timer.c:2438 [inline] run_timer_softirq+0xcc/0x194 kernel/time/timer.c:2448 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 check_kcov_mode kernel/kcov.c:173 [inline] __sanitizer_cov_trace_pc+0x34/0x6c kernel/kcov.c:207 check_preemption_disabled+0x28/0xf8 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_notifier_run include/trace/events/notifier.h:59 [inline] notifier_call_chain+0x170/0x540 kernel/notifier.c:92 raw_notifier_call_chain+0x3c/0x50 kernel/notifier.c:461 call_netdevice_notifiers_info net/core/dev.c:1950 [inline] call_netdevice_notifiers_extack net/core/dev.c:1988 [inline] call_netdevice_notifiers net/core/dev.c:2002 [inline] dev_set_mac_address+0x2fc/0x430 net/core/dev.c:8955 dev_set_mac_address_user+0x44/0x68 net/core/dev.c:8969 do_setlink+0x770/0x377c net/core/rtnetlink.c:2839 __rtnl_newlink net/core/rtnetlink.c:3680 [inline] rtnl_newlink+0x14c0/0x1bcc net/core/rtnetlink.c:3727 rtnetlink_rcv_msg+0x724/0xdbc net/core/rtnetlink.c:6595 netlink_rcv_skb+0x214/0x3c4 net/netlink/af_netlink.c:2559 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6613 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline] netlink_unicast+0x65c/0x898 net/netlink/af_netlink.c:1361 netlink_sendmsg+0x7a0/0xa84 net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:730 [inline] __sock_sendmsg net/socket.c:745 [inline] __sys_sendto+0x374/0x4f4 net/socket.c:2191 __do_sys_sendto net/socket.c:2203 [inline] __se_sys_sendto net/socket.c:2199 [inline] __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2199 __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: 115671 hardirqs last enabled at (115670): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (115670): [] _raw_spin_unlock_irqrestore+0x38/0x98 kernel/locking/spinlock.c:194 hardirqs last disabled at (115671): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (115671): [] _raw_spin_lock_irq+0x28/0x70 kernel/locking/spinlock.c:170 softirqs last enabled at (115660): [] pppoe_flush_dev drivers/net/ppp/pppoe.c:327 [inline] softirqs last enabled at (115660): [] pppoe_device_event+0x464/0x4a0 drivers/net/ppp/pppoe.c:346 softirqs last disabled at (115663): [] __do_softirq+0x14/0x20 kernel/softirq.c:588 ---[ end trace 0000000000000000 ]---