usb 5-1: config 0 descriptor??
input: CM109 USB driver as /devices/platform/dummy_hcd.4/usb5/5-1/5-1:0.8/input/input50
------------[ cut here ]------------
URB ffff888145300900 submitted while active
WARNING: drivers/usb/core/urb.c:380 at 0x0, CPU#0: kworker/0:5/5873
Modules linked in:
CPU: 0 UID: 0 PID: 5873 Comm: kworker/0:5 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Workqueue: usb_hub_wq hub_event
RIP: 0010:usb_submit_urb+0x15a3/0x1970 drivers/usb/core/urb.c:380
Code: 4b 03 00 00 48 8b 04 24 48 8b 90 b0 00 00 00 eb 91 bb ed ff ff ff e9 07 f3 ff ff e8 c7 a4 a9 fa 48 8d 3d 60 72 7e 09 48 89 de <67> 48 0f b9 3a bb f0 ff ff ff e9 e9 f2 ff ff e8 a9 a4 a9 fa 0f 1f
RSP: 0018:ffffc9000402ede0 EFLAGS: 00010287
RAX: 00000000000bcd44 RBX: ffff888145300900 RCX: ffffc9001b7a9000
RDX: 0000000000100000 RSI: ffff888145300900 RDI: ffffffff9093b210
RBP: ffff88805483a6e0 R08: 0000000000000000 R09: fffffbfff210ff7a
R10: ffffc9000402ee68 R11: 0000000000002ba1 R12: ffff8880354430a0
R13: ffff888035443010 R14: ffff88803544309f R15: ffff888035443050
FS: 0000000000000000(0000) GS:ffff888124909000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c38f2ac CR3: 0000000031b36000 CR4: 00000000003526f0
Call Trace:
<TASK>
cm109_input_open+0x27a/0x490 drivers/input/misc/cm109.c:566
input_open_device+0x237/0x3d0 drivers/input/input.c:601
kbd_connect+0x124/0x180 drivers/tty/vt/keyboard.c:1563
input_attach_handler.isra.0+0x176/0x250 drivers/input/input.c:994
input_register_device+0xab9/0x11b0 drivers/input/input.c:2378
cm109_usb_probe+0x122f/0x17c0 drivers/input/misc/cm109.c:797
usb_probe_interface+0x303/0xa80 drivers/usb/core/driver.c:396
call_driver_probe drivers/base/dd.c:581 [inline]
really_probe+0x241/0xb20 drivers/base/dd.c:659
__driver_probe_device+0x1de/0x470 drivers/base/dd.c:801
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831
__device_attach_driver+0x1df/0x350 drivers/base/dd.c:959
bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
__device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031
device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086
bus_probe_device+0x64/0x150 drivers/base/bus.c:574
device_add+0x116e/0x1980 drivers/base/core.c:3689
usb_set_configuration+0x1187/0x1e50 drivers/usb/core/message.c:2210
usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250
usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
call_driver_probe drivers/base/dd.c:581 [inline]
really_probe+0x241/0xb20 drivers/base/dd.c:659
__driver_probe_device+0x1de/0x470 drivers/base/dd.c:801
driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831
__device_attach_driver+0x1df/0x350 drivers/base/dd.c:959
bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
__device_attach+0x1e4/0x4e0 drivers/base/dd.c:1031
device_initial_probe+0xaa/0xc0 drivers/base/dd.c:1086
bus_probe_device+0x64/0x150 drivers/base/bus.c:574
device_add+0x116e/0x1980 drivers/base/core.c:3689
usb_new_device+0xd07/0x1a90 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+0x313a/0x52f0 drivers/usb/core/hub.c:5953
process_one_work+0x9ba/0x1b20 kernel/workqueue.c:3257
process_scheduled_works kernel/workqueue.c:3340 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
kthread+0x3c5/0x780 kernel/kthread.c:463
ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
</TASK>
----------------
Code disassembly (best guess):
0: 4b 03 00 rex.WXB add (%r8),%rax
3: 00 48 8b add %cl,-0x75(%rax)
6: 04 24 add $0x24,%al
8: 48 8b 90 b0 00 00 00 mov 0xb0(%rax),%rdx
f: eb 91 jmp 0xffffffa2
11: bb ed ff ff ff mov $0xffffffed,%ebx
16: e9 07 f3 ff ff jmp 0xfffff322
1b: e8 c7 a4 a9 fa call 0xfaa9a4e7
20: 48 8d 3d 60 72 7e 09 lea 0x97e7260(%rip),%rdi # 0x97e7287
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 e9 f2 ff ff jmp 0xfffff322
39: e8 a9 a4 a9 fa call 0xfaa9a4e7
3e: 0f .byte 0xf
3f: 1f (bad)