usb 4-1: config 0 descriptor??
cm109 4-1:0.8: invalid payload size 0, expected 4
input: CM109 USB driver as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.8/input/input23
------------[ cut here ]------------
URB ffff888034486b00 submitted while active
WARNING: drivers/usb/core/urb.c:380 at usb_submit_urb+0xf8c/0x18b0 drivers/usb/core/urb.c:380, CPU#0: kworker/0:4/5920
Modules linked in:
CPU: 0 UID: 0 PID: 5920 Comm: kworker/0:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0xf8c/0x18b0 drivers/usb/core/urb.c:380
Code: 00 00 00 e8 56 cb 84 fa e9 25 f1 ff ff e8 4c cb 84 fa c6 05 3d 87 93 08 01 90 48 c7 c7 00 50 56 8c 48 89 de e8 c5 3c 48 fa 90 <0f> 0b 90 90 e9 ec f0 ff ff e8 26 cb 84 fa c6 05 27 e0 a9 08 01 41
RSP: 0018:ffffc9000432eb10 EFLAGS: 00010246
RAX: fb1426932067f000 RBX: ffff888034486b00 RCX: 0000000000100000
RDX: ffffc90017c9d000 RSI: 0000000000014acd RDI: 0000000000014ace
RBP: 000000000000000f R08: ffff8880b8624293 R09: 1ffff110170c4852
R10: dffffc0000000000 R11: ffffed10170c4853 R12: 0000000000000cc0
R13: ffff88807c95d848 R14: ffff888034486b08 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881257a2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002000 CR3: 0000000068664000 CR4: 00000000003526f0
DR0: 0000000000000008 DR1: 0000000000000002 DR2: 0000000000000081
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cm109_input_open+0x1fe/0x4b0 drivers/input/misc/cm109.c:566
 input_open_device+0x1d3/0x390 drivers/input/input.c:601
 kbd_connect+0xed/0x140 drivers/tty/vt/keyboard.c:1584
 input_attach_handler drivers/input/input.c:994 [inline]
 input_register_device+0xd00/0x1140 drivers/input/input.c:2378
 cm109_usb_probe+0x118c/0x1690 drivers/input/misc/cm109.c:797
 usb_probe_interface+0x668/0xc30 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x26d/0x9e0 drivers/base/dd.c:659
 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801
 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831
 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959
 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031
 bus_probe_device+0x185/0x260 drivers/base/bus.c:537
 device_add+0x7b6/0xb50 drivers/base/core.c:3689
 usb_set_configuration+0x1a87/0x20e0 drivers/usb/core/message.c:2210
 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
 usb_probe_device+0x1c4/0x390 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x26d/0x9e0 drivers/base/dd.c:659
 __driver_probe_device+0x18c/0x2f0 drivers/base/dd.c:801
 driver_probe_device+0x4f/0x430 drivers/base/dd.c:831
 __device_attach_driver+0x2ce/0x530 drivers/base/dd.c:959
 bus_for_each_drv+0x251/0x2e0 drivers/base/bus.c:462
 __device_attach+0x2b8/0x400 drivers/base/dd.c:1031
 bus_probe_device+0x185/0x260 drivers/base/bus.c:537
 device_add+0x7b6/0xb50 drivers/base/core.c:3689
 usb_new_device+0xa39/0x16f0 drivers/usb/core/hub.c:2694
 hub_port_connect drivers/usb/core/hub.c:5566 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5706 [inline]
 port_event drivers/usb/core/hub.c:5870 [inline]
 hub_event+0x2958/0x4a20 drivers/usb/core/hub.c:5952
 process_one_work kernel/workqueue.c:3263 [inline]
 process_scheduled_works+0xae1/0x17b0 kernel/workqueue.c:3346
 worker_thread+0x8a0/0xda0 kernel/workqueue.c:3427
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>