net1080 2-1:0.166 usb0: unregister 'net1080' usb-dummy_hcd.1-1, NetChip TurboCONNECT
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timer_pending(&dev->watchdog_timer)
WARNING: net/sched/sch_generic.c:1496 at dev_shutdown+0x3c8/0x440 net/sched/sch_generic.c:1496, CPU#0: kworker/0:1/10
Modules linked in:
CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:dev_shutdown+0x3c8/0x440 net/sched/sch_generic.c:1496
Code: 48 c7 c2 a0 f6 f6 8c be a3 00 00 00 48 c7 c7 80 fb f6 8c c6 05 ce 02 3c 07 01 e8 03 49 60 f8 e9 8a fd ff ff e8 79 b5 84 f8 90 <0f> 0b 90 e9 5a fe ff ff 4c 89 f7 e8 18 6e f2 f8 e9 65 fc ff ff 4c
RSP: 0018:ffffc900000f73f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88802dd68510 RCX: ffffffff89834a7e
RDX: ffff88801e292500 RSI: ffffffff8983d627 RDI: ffff88802dd685f0
RBP: ffff88802dd68000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff88802dd684c0
R13: ffffed1005bad003 R14: ffff88802dd68508 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff888124379000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32863fff CR3: 0000000037a74000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 unregister_netdevice_many_notify+0xd56/0x24f0 net/core/dev.c:12406
 unregister_netdevice_many net/core/dev.c:12481 [inline]
 unregister_netdevice_queue net/core/dev.c:12291 [inline]
 unregister_netdevice_queue+0x30b/0x3c0 net/core/dev.c:12281
 unregister_netdevice include/linux/netdevice.h:3444 [inline]
 unregister_netdev+0x1f/0x60 net/core/dev.c:12499
 usbnet_disconnect+0x10a/0x300 drivers/net/usb/usbnet.c:1685
 usb_unbind_interface+0x1dd/0x9e0 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:621 [inline]
 device_remove+0x12a/0x180 drivers/base/dd.c:613
 __device_release_driver drivers/base/dd.c:1352 [inline]
 device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1375
 bus_remove_device+0x2bc/0x560 drivers/base/bus.c:657
 device_del+0x376/0x9b0 drivers/base/core.c:3895
 usb_disable_device+0x367/0x810 drivers/usb/core/message.c:1478
 usb_disconnect+0x2e2/0x9a0 drivers/usb/core/hub.c:2345
 hub_port_connect drivers/usb/core/hub.c:5407 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x1d0c/0x4af0 drivers/usb/core/hub.c:5953
 process_one_work+0xa0e/0x1980 kernel/workqueue.c:3302
 process_scheduled_works kernel/workqueue.c:3385 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3466
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>