usb 1-1: config 0 descriptor??
cm109 1-1:0.8: invalid payload size 0, expected 4
input: CM109 USB driver as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.8/input/input402
------------[ cut here ]------------
URB ffff8880570e3b00 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x1880 drivers/usb/core/urb.c:379, CPU#0: kworker/0:4/15941
Modules linked in:
CPU: 0 UID: 0 PID: 15941 Comm: kworker/0:4 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x7c/0x1880 drivers/usb/core/urb.c:379
Code: 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 69 20 f5 fa 49 83 3e 00 74 40 e8 ae e2 89 fa 48 8d 3d e7 96 01 09 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 93 e2 89 fa eb 05 e8 8c e2
RSP: 0018:ffffc9000594ebf0 EFLAGS: 00010287
RAX: ffffffff873b5d82 RBX: ffff8880570e3b00 RCX: 0000000000100000
RDX: ffffc9001c21a000 RSI: ffff8880570e3b00 RDI: ffffffff903cf470
RBP: dffffc0000000000 R08: ffffffff902f88f7 R09: 1ffffffff205f11e
R10: dffffc0000000000 R11: fffffbfff205f11f R12: 1ffff1100fa3210a
R13: ffff88807d190848 R14: ffff8880570e3b08 R15: 0000000000000cc0
FS:  0000000000000000(0000) GS:ffff8881252b9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000080003000 CR3: 00000000339a6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 cm109_input_open+0x1fb/0x480 drivers/input/misc/cm109.c:566
 input_open_device+0x1f9/0x3b0 drivers/input/input.c:601
 kbd_connect+0xf6/0x150 drivers/tty/vt/keyboard.c:1631
 input_attach_handler drivers/input/input.c:1011 [inline]
 input_register_device+0xd12/0x1150 drivers/input/input.c:2395
 cm109_usb_probe+0x11d2/0x16e0 drivers/input/misc/cm109.c:797
 usb_probe_interface+0x653/0xc60 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:709
 __driver_probe_device+0x1f5/0x380 drivers/base/dd.c:871
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:901
 __device_attach_driver+0x279/0x430 drivers/base/dd.c:1029
 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c4/0x450 drivers/base/dd.c:1101
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1156
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:613
 device_add+0x7d4/0xb90 drivers/base/core.c:3706
 usb_set_configuration+0x1ad8/0x2180 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0x8d/0x150 drivers/usb/core/generic.c:250
 usb_probe_device+0x1c3/0x3b0 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:709
 __driver_probe_device+0x1f5/0x380 drivers/base/dd.c:871
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:901
 __device_attach_driver+0x279/0x430 drivers/base/dd.c:1029
 bus_for_each_drv+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c4/0x450 drivers/base/dd.c:1101
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1156
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:613
 device_add+0x7d4/0xb90 drivers/base/core.c:3706
 usb_new_device+0x99d/0x1620 drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x28e8/0x4d30 drivers/usb/core/hub.c:5953
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3397
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3478
 kthread+0x389/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
----------------
Code disassembly (best guess):
   0:	4c 89 f0             	mov    %r14,%rax
   3:	48 c1 e8 03          	shr    $0x3,%rax
   7:	80 3c 28 00          	cmpb   $0x0,(%rax,%rbp,1)
   b:	74 08                	je     0x15
   d:	4c 89 f7             	mov    %r14,%rdi
  10:	e8 69 20 f5 fa       	call   0xfaf5207e
  15:	49 83 3e 00          	cmpq   $0x0,(%r14)
  19:	74 40                	je     0x5b
  1b:	e8 ae e2 89 fa       	call   0xfa89e2ce
  20:	48 8d 3d e7 96 01 09 	lea    0x90196e7(%rip),%rdi        # 0x901970e
  27:	48 89 de             	mov    %rbx,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	b8 f0 ff ff ff       	mov    $0xfffffff0,%eax
  34:	eb 11                	jmp    0x47
  36:	e8 93 e2 89 fa       	call   0xfa89e2ce
  3b:	eb 05                	jmp    0x42
  3d:	e8                   	.byte 0xe8
  3e:	8c e2                	mov    %fs,%edx