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cm109 3-1:0.8: invalid payload size 0, expected 4
input: CM109 USB driver as /devices/platform/dummy_hcd.2/usb3/3-1/3-1:0.8/input/input176
list_add double add: new=ffff888075d52018, prev=ffff888075d52018, next=ffff888078760078.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:37!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 997 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:__list_add_valid_or_report+0xa5/0x130 lib/list_debug.c:35
Code: 74 12 b0 01 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c2 87 ef 06 cc 48 c7 c7 00 57 29 8c 4c 89 fe 4c 89 f2 48 89 d9 e8 4c ef 65 fc 90 <0f> 0b 48 c7 c7 e0 54 29 8c e8 3d ef 65 fc 90 0f 0b 48 c7 c7 a0 55
RSP: 0018:ffffc900051d6b18 EFLAGS: 00010046
RAX: 0000000000000058 RBX: ffff888078760078 RCX: 402a1e3ed0a83500
RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
RBP: 1ffff1100f0ec010 R08: ffff8880b8624713 R09: 1ffff110170c48e2
R10: dffffc0000000000 R11: ffffed10170c48e3 R12: 1ffff1100ebaa403
R13: dffffc0000000000 R14: ffff888075d52018 R15: ffff888075d52018
FS:  0000000000000000(0000) GS:ffff888125253000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62993ea540 CR3: 00000000770d2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __list_add_valid include/linux/list.h:96 [inline]
 __list_add include/linux/list.h:158 [inline]
 list_add_tail include/linux/list.h:191 [inline]
 usb_hcd_link_urb_to_ep+0x1d2/0x330 drivers/usb/core/hcd.c:1152
 dummy_urb_enqueue+0x2ad/0x780 drivers/usb/gadget/udc/dummy_hcd.c:1292
 usb_hcd_submit_urb+0x32a/0x1b50 drivers/usb/core/hcd.c:1540
 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: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: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+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12a/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+0x258/0x2f0 drivers/base/bus.c:500
 __device_attach+0x2c4/0x450 drivers/base/dd.c:1098
 device_initial_probe+0xa1/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x12a/0x220 drivers/base/bus.c:620
 device_add+0x7d7/0xb80 drivers/base/core.c:3772
 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:3322 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
 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>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report+0xa5/0x130 lib/list_debug.c:35
Code: 74 12 b0 01 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c2 87 ef 06 cc 48 c7 c7 00 57 29 8c 4c 89 fe 4c 89 f2 48 89 d9 e8 4c ef 65 fc 90 <0f> 0b 48 c7 c7 e0 54 29 8c e8 3d ef 65 fc 90 0f 0b 48 c7 c7 a0 55
RSP: 0018:ffffc900051d6b18 EFLAGS: 00010046
RAX: 0000000000000058 RBX: ffff888078760078 RCX: 402a1e3ed0a83500
RDX: 0000000000000000 RSI: 0000000080000002 RDI: 0000000000000000
RBP: 1ffff1100f0ec010 R08: ffff8880b8624713 R09: 1ffff110170c48e2
R10: dffffc0000000000 R11: ffffed10170c48e3 R12: 1ffff1100ebaa403
R13: dffffc0000000000 R14: ffff888075d52018 R15: ffff888075d52018
FS:  0000000000000000(0000) GS:ffff888125253000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f62993ea540 CR3: 00000000770d2000 CR4: 00000000003526f0