usb 10-1: USB disconnect, device number 42
net1080 10-1:0.166 usb0: unregister 'net1080' usb-dummy_hcd.9-1, NetChip TurboCONNECT
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WARNING: net/sched/sch_generic.c:1496 at dev_shutdown+0x3e1/0x440 net/sched/sch_generic.c:1496, CPU#0: kworker/0:0/9
Modules linked in:
CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:dev_shutdown+0x3e1/0x440 net/sched/sch_generic.c:1496
Code: e5 6d c3 f8 49 83 7d 00 00 75 19 e8 09 0b 5d f8 48 83 c4 08 5b 41 5c 41 5d 41 5e 41 5f 5d e9 46 8f 03 02 cc e8 f0 0a 5d f8 90 <0f> 0b 90 eb e1 e8 e5 0a 5d f8 4c 89 e7 be 03 00 00 00 e8 58 22 33
RSP: 0018:ffffc900000e71a0 EFLAGS: 00010287
RAX: ffffffff8964ec60 RBX: ffff88805bd844e0 RCX: 0000000000100000
RDX: ffffc90016e5e000 RSI: 0000000000007bfe RDI: 0000000000007bff
RBP: 0000000000000001 R08: ffffc900000e6f87 R09: 1ffff9200001cdf0
R10: dffffc0000000000 R11: fffff5200001cdf1 R12: ffffffff8f774bd0
R13: ffff88805bd845c0 R14: 1ffff1100b7b089c R15: ffffffff8f774bc0
FS:  0000000000000000(0000) GS:ffff8881259e6000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055971d0ed008 CR3: 0000000027a08000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: fffffffffffffffc DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 unregister_netdevice_many_notify+0x11b3/0x2340 net/core/dev.c:12388
 unregister_netdevice_many net/core/dev.c:12463 [inline]
 unregister_netdevice_queue net/core/dev.c:12277 [inline]
 unregister_netdevice include/linux/netdevice.h:3411 [inline]
 unregister_netdev+0x157/0x1f0 net/core/dev.c:12481
 usbnet_disconnect+0xcd/0x390 drivers/net/usb/usbnet.c:1676
 usb_unbind_interface+0x26e/0x910 drivers/usb/core/driver.c:458
 device_remove drivers/base/dd.c:571 [inline]
 __device_release_driver drivers/base/dd.c:1282 [inline]
 device_release_driver_internal+0x4d9/0x800 drivers/base/dd.c:1305
 bus_remove_device+0x34d/0x440 drivers/base/bus.c:616
 device_del+0x511/0x8e0 drivers/base/core.c:3878
 usb_disable_device+0x3d4/0x8e0 drivers/usb/core/message.c:1418
 usb_disconnect+0x32f/0x990 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+0x1ca9/0x4ef0 drivers/usb/core/hub.c:5953
 process_one_work+0x93a/0x15a0 kernel/workqueue.c:3279
 process_scheduled_works kernel/workqueue.c:3362 [inline]
 worker_thread+0x9b0/0xee0 kernel/workqueue.c:3443
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x599/0xb30 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>