usb 2-1: config 0 descriptor??
cm109 2-1:0.8: invalid payload size 0, expected 4
input: CM109 USB driver as /devices/platform/dummy_hcd.1/usb2/2-1/2-1:0.8/input/input15
------------[ cut here ]------------
URB ffff88802b951500 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x79/0x18b0 drivers/usb/core/urb.c:379, CPU#1: kworker/1:6/5790
Modules linked in:
CPU: 1 UID: 0 PID: 5790 Comm: kworker/1:6 Tainted: G             L      syzkaller #0 PREEMPT_{RT,(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/0x18b0 drivers/usb/core/urb.c:379
Code: 4c 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 b9 61 58 fb 49 83 3e 00 74 40 e8 9e 16 ec fa 48 8d 3d 37 58 e2 08 48 89 de <67> 48 0f b9 3a b8 f0 ff ff ff eb 11 e8 83 16 ec fa eb 05 e8 7c 16
RSP: 0018:ffffc90006136c58 EFLAGS: 00010287
RAX: ffffffff86d99422 RBX: ffff88802b951500 RCX: 0000000000100000
RDX: ffffc9001ba47000 RSI: ffff88802b951500 RDI: ffffffff8fbbec60
RBP: dffffc0000000000 R08: ffffffff8faf597f R09: 1ffffffff1f5eb2f
R10: dffffc0000000000 R11: fffffbfff1f5eb30 R12: 1ffff1100c683a0a
R13: ffff88806341d048 R14: ffff88802b951508 R15: 0000000000000cc0
FS:  0000000000000000(0000) GS:ffff888125d43000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd3dcaecc2b CR3: 0000000025a3c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 cm109_input_open+0x1fb/0x460 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+0xd08/0x1150 drivers/input/input.c:2398
 cm109_usb_probe+0x11e4/0x16f0 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:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026
 bus_for_each_drv+0x25b/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c7/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12d/0x220 drivers/base/bus.c:620
 device_add+0x7d7/0xb80 drivers/base/core.c:3772
 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:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __device_attach_driver+0x270/0x410 drivers/base/dd.c:1026
 bus_for_each_drv+0x25b/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c7/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12d/0x220 drivers/base/bus.c:620
 device_add+0x7d7/0xb80 drivers/base/core.c:3772
 usb_new_device+0x98d/0x1610 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+0x28cf/0x4cf0 drivers/usb/core/hub.c:5953
 process_one_work+0xaaf/0x1480 kernel/workqueue.c:3379
 process_scheduled_works kernel/workqueue.c:3462 [inline]
 worker_thread+0xb05/0x10d0 kernel/workqueue.c:3543
 kthread+0x388/0x470 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 b9 61 58 fb       	call   0xfb5861ce
  15:	49 83 3e 00          	cmpq   $0x0,(%r14)
  19:	74 40                	je     0x5b
  1b:	e8 9e 16 ec fa       	call   0xfaec16be
  20:	48 8d 3d 37 58 e2 08 	lea    0x8e25837(%rip),%rdi        # 0x8e2585e
  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 83 16 ec fa       	call   0xfaec16be
  3b:	eb 05                	jmp    0x42
  3d:	e8                   	.byte 0xe8
  3e:	7c 16                	jl     0x56