usb 1-1: SerialNumber: syz
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/input71
------------[ cut here ]------------
URB ffff888056748e00 submitted while active
WARNING: drivers/usb/core/urb.c:379 at usb_submit_urb+0x1689/0x19b0 drivers/usb/core/urb.c:379, CPU#0: kworker/0:8/5814
Modules linked in:
CPU: 0 UID: 0 PID: 5814 Comm: kworker/0:8 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/10/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x168c/0x19b0 drivers/usb/core/urb.c:379
Code: 00 48 8b 04 24 48 8b 90 b0 00 00 00 e9 70 ff ff ff bb ed ff ff ff e9 ac f1 ff ff e8 8e 1a 8a fa 48 8d 3d f7 cb af 09 48 89 de <67> 48 0f b9 3a bb f0 ff ff ff e9 8e f1 ff ff c7 44 24 30 00 00 00
RSP: 0018:ffffc900043cee68 EFLAGS: 00010283
RAX: 000000000005d87a RBX: ffff888056748e00 RCX: ffffc9001bd35000
RDX: 0000000000100000 RSI: ffff888056748e00 RDI: ffffffff912f81b0
RBP: ffff888071896bc0 R08: 0000000000000000 R09: fffffbfff22444b2
R10: ffffc900043ceef0 R11: 0000000000000000 R12: ffff88804ca210a0
R13: ffff88804ca21010 R14: ffff88804ca21050 R15: ffff88802614a2e0
FS:  0000000000000000(0000) GS:ffff888123dec000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb62f018988 CR3: 00000000757f2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 cm109_input_open+0x273/0x400 drivers/input/misc/cm109.c:566
 input_open_device+0x24c/0x3d0 drivers/input/input.c:601
 kbd_connect+0x124/0x180 drivers/tty/vt/keyboard.c:1631
 input_attach_handler.isra.0+0x177/0x1e0 drivers/input/input.c:1011
 input_register_device.cold+0x139/0x375 drivers/input/input.c:2398
 cm109_usb_probe+0x128d/0x17f0 drivers/input/misc/cm109.c:797
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_new_device.cold+0x685/0x115c 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+0x314d/0x4af0 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 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:	00 48 8b             	add    %cl,-0x75(%rax)
   3:	04 24                	add    $0x24,%al
   5:	48 8b 90 b0 00 00 00 	mov    0xb0(%rax),%rdx
   c:	e9 70 ff ff ff       	jmp    0xffffff81
  11:	bb ed ff ff ff       	mov    $0xffffffed,%ebx
  16:	e9 ac f1 ff ff       	jmp    0xfffff1c7
  1b:	e8 8e 1a 8a fa       	call   0xfa8a1aae
  20:	48 8d 3d f7 cb af 09 	lea    0x9afcbf7(%rip),%rdi        # 0x9afcc1e
  27:	48 89 de             	mov    %rbx,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	bb f0 ff ff ff       	mov    $0xfffffff0,%ebx
  34:	e9 8e f1 ff ff       	jmp    0xfffff1c7
  39:	c7                   	.byte 0xc7
  3a:	44 24 30             	rex.R and $0x30,%al
  3d:	00 00                	add    %al,(%rax)