usb 4-1: New USB device strings: Mfr=0, Product=24, SerialNumber=3 usb 4-1: Product: syz usb 4-1: SerialNumber: syz usb 4-1: config 0 descriptor?? cm109 4-1:0.8: invalid payload size 0, expected 4 input: CM109 USB driver as /devices/platform/dummy_hcd.3/usb4/4-1/4-1:0.8/input/input14 ------------[ cut here ]------------ URB ffff888028e39100 submitted while active WARNING: CPU: 0 PID: 5892 at drivers/usb/core/urb.c:379 usb_submit_urb+0x103d/0x18c0 drivers/usb/core/urb.c:379 Modules linked in: CPU: 0 UID: 0 PID: 5892 Comm: kworker/0:5 Not tainted 6.15.0-rc3-syzkaller-00001-g9d7a0577c9db #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0x103d/0x18c0 drivers/usb/core/urb.c:379 Code: 00 eb 66 e8 15 6b 32 fa e9 75 f0 ff ff e8 0b 6b 32 fa c6 05 32 89 b9 08 01 90 48 c7 c7 60 59 f2 8c 4c 89 ee e8 04 c4 f1 f9 90 <0f> 0b 90 90 e9 3c f0 ff ff e8 e5 6a 32 fa eb 12 e8 de 6a 32 fa 41 RSP: 0018:ffffc9000411eab8 EFLAGS: 00010246 RAX: 92800c19d0042000 RBX: 0000000000000cc0 RCX: 0000000000100000 RDX: ffffc900199da000 RSI: 0000000000011fe0 RDI: 0000000000011fe1 RBP: ffff888028e39108 R08: ffffffff818218d2 R09: 1ffffffff20bfcae R10: dffffc0000000000 R11: fffffbfff20bfcaf R12: 1ffff110045d310a R13: ffff888028e39100 R14: dffffc0000000000 R15: ffff888022e98850 FS: 0000000000000000(0000) GS:ffff888124f9a000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c459d17 CR3: 000000006568a000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: cm109_input_open+0x1f9/0x480 drivers/input/misc/cm109.c:566 input_open_device+0x1eb/0x360 drivers/input/input.c:600 kbd_connect+0xe9/0x130 drivers/tty/vt/keyboard.c:1591 input_attach_handler drivers/input/input.c:993 [inline] input_register_device+0xce2/0x10c0 drivers/input/input.c:2412 cm109_usb_probe+0x1177/0x16d0 drivers/input/misc/cm109.c:797 usb_probe_interface+0x650/0xbc0 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2b9/0xad0 drivers/base/dd.c:658 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800 driver_probe_device+0x50/0x430 drivers/base/dd.c:830 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958 bus_for_each_drv+0x258/0x2e0 drivers/base/bus.c:462 __device_attach+0x341/0x530 drivers/base/dd.c:1030 bus_probe_device+0x189/0x260 drivers/base/bus.c:537 device_add+0x856/0xbf0 drivers/base/core.c:3666 usb_set_configuration+0x1999/0x1fe0 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0x88/0x140 drivers/usb/core/generic.c:250 usb_probe_device+0x1b8/0x380 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2b9/0xad0 drivers/base/dd.c:658 __driver_probe_device+0x1a2/0x390 drivers/base/dd.c:800 driver_probe_device+0x50/0x430 drivers/base/dd.c:830 __device_attach_driver+0x2d6/0x530 drivers/base/dd.c:958 bus_for_each_drv+0x258/0x2e0 drivers/base/bus.c:462 __device_attach+0x341/0x530 drivers/base/dd.c:1030 bus_probe_device+0x189/0x260 drivers/base/bus.c:537 device_add+0x856/0xbf0 drivers/base/core.c:3666 usb_new_device+0x1052/0x19a0 drivers/usb/core/hub.c:2663 hub_port_connect drivers/usb/core/hub.c:5531 [inline] hub_port_connect_change drivers/usb/core/hub.c:5671 [inline] port_event drivers/usb/core/hub.c:5831 [inline] hub_event+0x2bfd/0x50f0 drivers/usb/core/hub.c:5913 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xac3/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd50 kernel/workqueue.c:3400 kthread+0x7b7/0x940 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245