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NETDEV WATCHDOG: usb0 (cdc_ether): transmit queue 0 timed out 9800 ms
WARNING: CPU: 1 PID: 2124 at net/sched/sch_generic.c:526 dev_watchdog+0x63c/0x688 net/sched/sch_generic.c:525
Modules linked in:
CPU: 1 PID: 2124 Comm: kworker/1:2 Not tainted 6.7.0-rc8-syzkaller-g0802e17d9aca #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
Workqueue: usb_hub_wq hub_event
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: fffffffffffffe20
x26: ffff0000da3ce400 x25: 0000000000000000 x24: 0000000000000110
x23: ffff0000da3ce470 x22: 0000000000002648 x21: ffff0000c305c000
x20: ffff0000c305c000 x19: ffff0000c305c548 x18: ffff800080017080
x17: 38392074756f2064 x16: ffff80008a830eb8 x15: 0000000000000001
x14: 1fffe0003682a63a x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000104 x10: 0000000000ff0100 x9 : 53bbe61694b23a00
x8 : 53bbe61694b23a00 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
 __daif_local_irq_enable arch/arm64/include/asm/irqflags.h:27 [inline]
 arch_local_irq_enable arch/arm64/include/asm/irqflags.h:49 [inline]
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline]
 _raw_spin_unlock_irq+0x34/0x80 kernel/locking/spinlock.c:202
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 usb_hcd_flush_endpoint+0x2b8/0x3c0 drivers/usb/core/hcd.c:1798
 usb_disable_endpoint drivers/usb/core/message.c:1300 [inline]
 usb_disable_interface+0x1b8/0x284 drivers/usb/core/message.c:1346
 usb_unbind_interface+0x17c/0x758 drivers/usb/core/driver.c:456
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x440/0x6a0 drivers/base/dd.c:1295
 device_release_driver+0x28/0x38 drivers/base/dd.c:1318
 bus_remove_device+0x314/0x3b4 drivers/base/bus.c:574
 device_del+0x480/0x87c drivers/base/core.c:3814
 usb_disable_device+0x354/0x760 drivers/usb/core/message.c:1416
 usb_disconnect+0x290/0x808 drivers/usb/core/hub.c:2237
 hub_port_connect drivers/usb/core/hub.c:5280 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5580 [inline]
 port_event drivers/usb/core/hub.c:5740 [inline]
 hub_event+0x18ec/0x435c drivers/usb/core/hub.c:5822
 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: 681247
hardirqs last  enabled at (681246): [<ffff800080357f94>] __up_console_sem kernel/printk/printk.c:341 [inline]
hardirqs last  enabled at (681246): [<ffff800080357f94>] __console_unlock kernel/printk/printk.c:2706 [inline]
hardirqs last  enabled at (681246): [<ffff800080357f94>] console_unlock+0x17c/0x3d4 kernel/printk/printk.c:3038
hardirqs last disabled at (681247): [<ffff80008a82c9ac>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:436
softirqs last  enabled at (302676): [<ffff800088a21338>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (303055): [<ffff80008002aadc>] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:81
---[ end trace 0000000000000000 ]---