usb 1-1: USB disconnect, device number 59 net1080 1-1:1.0 usb0: unregister 'net1080' usb-dummy_hcd.0-1, NetChip TurboCONNECT ------------[ cut here ]------------ WARNING: CPU: 0 PID: 335 at net/sched/sch_generic.c:1478 dev_shutdown+0x4f3/0x580 net/sched/sch_generic.c:1478 Modules linked in: CPU: 0 UID: 0 PID: 335 Comm: kworker/0:4 Not tainted syzkaller #0 57989d98ccfe184428db69a81b942df9a58aae8a Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:dev_shutdown+0x4f3/0x580 net/sched/sch_generic.c:1478 Code: ff e8 a1 0b 43 fd 49 83 3f 00 75 19 e8 26 31 ea fc 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 0d 31 ea fc <0f> 0b eb e3 e8 04 31 ea fc 4c 89 e7 be 03 00 00 00 e8 e7 e5 11 fe RSP: 0018:ffffc9000d06f2f8 EFLAGS: 00010287 RAX: ffffffff849d4633 RBX: ffff88810e260450 RCX: 0000000000100000 RDX: ffffc9000d1d9000 RSI: 0000000000006d26 RDI: 0000000000006d27 RBP: ffffc9000d06f350 R08: ffffc9000d06f127 R09: 1ffff92001a0de24 R10: dffffc0000000000 R11: fffff52001a0de25 R12: 0000000000000001 R13: ffffffff87cee0d0 R14: 1ffff11021c4c08a R15: ffff88810e2604f0 FS: 0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f30cff8 CR3: 000000010cb06000 CR4: 00000000003526b0 Call Trace: <TASK> unregister_netdevice_many_notify+0x8a0/0x1be0 net/core/dev.c:11522 unregister_netdevice_many net/core/dev.c:11595 [inline] unregister_netdevice_queue net/core/dev.c:11469 [inline] unregister_netdevice include/linux/netdevice.h:3165 [inline] unregister_netdev+0x159/0x1d0 net/core/dev.c:11613 usbnet_disconnect+0xd8/0x3b0 drivers/net/usb/usbnet.c:1653 usb_unbind_interface+0x2ad/0xa40 drivers/usb/core/driver.c:462 device_remove drivers/base/dd.c:569 [inline] __device_release_driver drivers/base/dd.c:1272 [inline] device_release_driver_internal+0x522/0x830 drivers/base/dd.c:1295 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318 bus_remove_device+0x34f/0x370 drivers/base/bus.c:576 device_del+0x583/0xcf0 drivers/base/core.c:3881 usb_disable_device+0x3af/0x770 drivers/usb/core/message.c:1476 usb_disconnect+0x331/0x950 drivers/usb/core/hub.c:2353 hub_port_connect drivers/usb/core/hub.c:5414 [inline] hub_port_connect_change drivers/usb/core/hub.c:5714 [inline] port_event drivers/usb/core/hub.c:5878 [inline] hub_event+0x1ad5/0x4360 drivers/usb/core/hub.c:5960 process_one_work kernel/workqueue.c:3273 [inline] process_scheduled_works+0x7f4/0x1060 kernel/workqueue.c:3354 worker_thread+0xc99/0x13f0 kernel/workqueue.c:3435 kthread+0x2c4/0x360 kernel/kthread.c:389 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 </TASK> ---[ end trace 0000000000000000 ]---