------------[ cut here ]------------ NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out 24960 ms WARNING: CPU: 1 PID: 8270 at net/sched/sch_generic.c:526 dev_watchdog+0x63c/0x688 net/sched/sch_generic.c:525 Modules linked in: CPU: 1 PID: 8270 Comm: kworker/u4:4 Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Workqueue: netns cleanup_net pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : dev_watchdog+0x63c/0x688 net/sched/sch_generic.c:525 lr : dev_watchdog+0x63c/0x688 net/sched/sch_generic.c:525 sp : ffff800080017bb0 x29: ffff800080017be0 x28: dfff800000000000 x27: fffffffffffffe10 x26: ffff0000cb091000 x25: 0000000000000000 x24: 0000000000000110 x23: ffff0000cb091070 x22: 0000000000006180 x21: ffff0000d578a000 x20: ffff0000d578a000 x19: ffff0000d578a548 x18: ffff800080017080 x17: 0000000000000000 x16: ffff80008a830eb8 x15: 0000000000000001 x14: 1fffe0003682a63a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000104 x10: 0000000000ff0100 x9 : e6e7f5b66adf6b00 x8 : e6e7f5b66adf6b00 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800080017498 x4 : ffff80008e5d20c0 x3 : ffff8000805ab6bc x2 : 0000000000000001 x1 : 0000000000000102 x0 : 0000000000000000 Call trace: dev_watchdog+0x63c/0x688 net/sched/sch_generic.c:525 call_timer_fn+0x19c/0x8cc kernel/time/timer.c:1700 expire_timers kernel/time/timer.c:1751 [inline] __run_timers+0x55c/0x734 kernel/time/timer.c:2022 run_timer_softirq+0x7c/0x114 kernel/time/timer.c:2035 __do_softirq+0x2d8/0xce4 kernel/softirq.c:553 ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 call_on_irq_stack+0x24/0x4c arch/arm64/kernel/entry.S:886 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:86 invoke_softirq kernel/softirq.c:434 [inline] __irq_exit_rcu+0x1d8/0x434 kernel/softirq.c:632 irq_exit_rcu+0x14/0x84 kernel/softirq.c:644 __el1_irq arch/arm64/kernel/entry-common.c:503 [inline] el1_interrupt+0x38/0x68 arch/arm64/kernel/entry-common.c:517 el1h_64_irq_handler+0x18/0x24 arch/arm64/kernel/entry-common.c:522 el1h_64_irq+0x64/0x68 arch/arm64/kernel/entry.S:591 __sanitizer_cov_trace_pc+0x10/0x6c kernel/kcov.c:203 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_lock_release include/trace/events/lock.h:69 [inline] lock_release+0xe4/0x9ac kernel/locking/lockdep.c:5765 rcu_lock_release+0x2c/0x50 include/linux/rcupdate.h:306 rcu_read_unlock include/linux/rcupdate.h:780 [inline] inet_twsk_purge+0x7c0/0x85c net/ipv4/inet_timewait_sock.c:336 dccp_v4_exit_batch+0x20/0x2c net/dccp/ipv4.c:1042 ops_exit_list net/core/net_namespace.c:175 [inline] cleanup_net+0x5dc/0x8d0 net/core/net_namespace.c:614 process_one_work+0x694/0x1204 kernel/workqueue.c:2627 process_scheduled_works kernel/workqueue.c:2700 [inline] worker_thread+0x938/0xef4 kernel/workqueue.c:2781 kthread+0x288/0x310 kernel/kthread.c:388 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:857 irq event stamp: 1703259 hardirqs last enabled at (1703258): [] __up_console_sem kernel/printk/printk.c:341 [inline] hardirqs last enabled at (1703258): [] __console_unlock kernel/printk/printk.c:2706 [inline] hardirqs last enabled at (1703258): [] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3038 hardirqs last disabled at (1703259): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436 softirqs last enabled at (1703090): [] softirq_handle_end kernel/softirq.c:399 [inline] softirqs last enabled at (1703090): [] __do_softirq+0xac8/0xce4 kernel/softirq.c:582 softirqs last disabled at (1703179): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81 ---[ end trace 0000000000000000 ]--- sl0: transmit timed out, driver error?