usb 3-1: USB disconnect, device number 9
cdc_ether 3-1:1.0 usb0: unregister 'cdc_ether' usb-dummy_hcd.2-1, CDC Ethernet Device
------------[ cut here ]------------
WARNING: CPU: 1 PID: 66 at net/sched/sch_generic.c:1478 dev_shutdown+0x4f3/0x580 net/sched/sch_generic.c:1478
Modules linked in:
CPU: 1 UID: 0 PID: 66 Comm: kworker/1:2 Not tainted syzkaller #0 471281939cd7bfdfff4c6b6074d5d68627c837ba
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:dev_shutdown+0x4f3/0x580 net/sched/sch_generic.c:1478
Code: ff e8 21 01 40 fd 49 83 3f 00 75 19 e8 b6 4d e7 fc 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d e9 53 80 0a 01 cc e8 9d 4d e7 fc <0f> 0b eb e3 e8 94 4d e7 fc 4c 89 e7 be 03 00 00 00 e8 a7 06 10 fe
RSP: 0018:ffffc90000d6f2f8 EFLAGS: 00010283
RAX: ffffffff84a07413 RBX: ffff88811b200450 RCX: 0000000000100000
RDX: ffffc9000c7f3000 RSI: 00000000000068b2 RDI: 00000000000068b3
RBP: ffffc90000d6f350 R08: ffffc90000d6f127 R09: 1ffff920001ade24
R10: dffffc0000000000 R11: fffff520001ade25 R12: 0000000000000001
R13: ffffffff87cf5010 R14: 1ffff1102364008a R15: ffff88811b2004f0
FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f82541d6d58 CR3: 00000000074aa000 CR4: 00000000003526b0
Call Trace:
<TASK>
unregister_netdevice_many_notify+0x895/0x1c30 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+0xd5/0x3a0 drivers/net/usb/usbnet.c:1653
usb_unbind_interface+0x2a7/0xa30 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+0x4c2/0x790 drivers/base/dd.c:1295
device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
bus_remove_device+0x359/0x380 drivers/base/bus.c:576
device_del+0x581/0xd00 drivers/base/core.c:3881
usb_disable_device+0x3af/0x770 drivers/usb/core/message.c:1476
usb_disconnect+0x322/0x930 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+0x1c7a/0x4700 drivers/usb/core/hub.c:5960
process_one_work kernel/workqueue.c:3261 [inline]
process_scheduled_works+0x7d4/0x1020 kernel/workqueue.c:3342
worker_thread+0xc51/0x1370 kernel/workqueue.c:3423
kthread+0x2c9/0x370 kernel/kthread.c:389
ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
</TASK>
---[ end trace 0000000000000000 ]---
usb 3-1: new high-speed USB device number 10 using dummy_hcd
usb 3-1: Using ep0 maxpacket: 32
usb 3-1: unable to get BOS descriptor or descriptor too short
usb 3-1: config 128 has an invalid interface number: 127 but max is 3
usb 3-1: config 128 has an invalid descriptor of length 0, skipping remainder of the config
usb 3-1: config 128 has 1 interface, different from the descriptor's value: 4
usb 3-1: config 128 has no interface number 0
usb 3-1: config 128 interface 127 altsetting 14 endpoint 0x5 has invalid wMaxPacketSize 0
usb 3-1: config 128 interface 127 has no altsetting 0
usb 3-1: New USB device found, idVendor=0582, idProduct=295c, bcdDevice=d4.55
usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 3-1: Product: syz
usb 3-1: Manufacturer: syz
usb 3-1: SerialNumber: syz
usb 3-1: can't set config #128, error -71
usb 3-1: USB disconnect, device number 10