cm109 7-1:0.8: invalid payload size 0, expected 4 input: CM109 USB driver as /devices/platform/dummy_hcd.2/usb7/7-1/7-1:0.8/input/input14 ------------[ cut here ]------------ URB ffff88802938fa00 submitted while active WARNING: CPU: 2 PID: 16876 at drivers/usb/core/urb.c:379 usb_submit_urb+0x1519/0x1770 drivers/usb/core/urb.c:379 Modules linked in: CPU: 2 UID: 0 PID: 16876 Comm: kworker/2:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: usb_hub_wq hub_event RIP: 0010:usb_submit_urb+0x1519/0x1770 drivers/usb/core/urb.c:379 Code: fd eb cb bb fe ff ff ff e9 96 f3 ff ff e8 cf dd 7c fa c6 05 c2 af 55 09 01 90 48 c7 c7 60 06 74 8c 48 89 de e8 58 d6 3b fa 90 <0f> 0b 90 90 e9 ac fe ff ff bb f8 ff ff ff e9 66 f3 ff ff 48 89 ef RSP: 0018:ffffc900031d6e98 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffff88802938fa00 RCX: ffffffff817a02c8 RDX: ffff888027512440 RSI: ffffffff817a02d5 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880710950a0 R13: ffff888071095010 R14: ffff88807109509f R15: ffff888071095050 FS: 0000000000000000(0000) GS:ffff8880976c3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055a4dfeae008 CR3: 0000000070817000 CR4: 0000000000352ef0 Call Trace: cm109_input_open+0x27a/0x490 drivers/input/misc/cm109.c:566 input_open_device+0x249/0x3d0 drivers/input/input.c:600 kbd_connect+0x103/0x160 drivers/tty/vt/keyboard.c:1584 input_attach_handler.isra.0+0x173/0x250 drivers/input/input.c:993 input_register_device+0xab9/0x1180 drivers/input/input.c:2412 cm109_usb_probe+0x122f/0x17c0 drivers/input/misc/cm109.c:797 usb_probe_interface+0x300/0xa40 drivers/usb/core/driver.c:396 call_driver_probe drivers/base/dd.c:581 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:659 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:801 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:959 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1031 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1aa0 drivers/base/core.c:3689 usb_set_configuration+0x1187/0x1e20 drivers/usb/core/message.c:2210 usb_generic_driver_probe+0xb1/0x110 drivers/usb/core/generic.c:250 usb_probe_device+0xef/0x3e0 drivers/usb/core/driver.c:291 call_driver_probe drivers/base/dd.c:581 [inline] really_probe+0x23e/0xa90 drivers/base/dd.c:659 __driver_probe_device+0x1de/0x440 drivers/base/dd.c:801 driver_probe_device+0x4c/0x1b0 drivers/base/dd.c:831 __device_attach_driver+0x1df/0x310 drivers/base/dd.c:959 bus_for_each_drv+0x156/0x1e0 drivers/base/bus.c:462 __device_attach+0x1e4/0x4b0 drivers/base/dd.c:1031 bus_probe_device+0x17f/0x1c0 drivers/base/bus.c:537 device_add+0x1148/0x1aa0 drivers/base/core.c:3689 usb_new_device+0xd07/0x1a60 drivers/usb/core/hub.c:2694 hub_port_connect drivers/usb/core/hub.c:5566 [inline] hub_port_connect_change drivers/usb/core/hub.c:5706 [inline] port_event drivers/usb/core/hub.c:5870 [inline] hub_event+0x2f34/0x4fe0 drivers/usb/core/hub.c:5952 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245