------------[ cut here ]------------
URB 000000003a29d5a7 submitted while active
WARNING: CPU: 0 PID: 5643 at drivers/usb/core/urb.c:362 usb_submit_urb+0x10d2/0x13c0
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 5643 Comm: kworker/0:2 Not tainted 5.1.0-rc3+ #7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: usb_hub_wq hub_event
Call Trace:
 dump_stack+0xca/0x13e
 panic+0x292/0x5e1
 __warn.cold+0x20/0x53
 report_bug+0x262/0x2a0
 do_error_trap+0x12b/0x1e0
 do_invalid_op+0x32/0x40
 invalid_op+0x14/0x20
RIP: 0010:usb_submit_urb+0x10d2/0x13c0
Code: 89 de e8 d1 73 e7 fd 84 db 0f 85 38 f6 ff ff e8 94 72 e7 fd 4c 89 fe 48 c7 c7 a0 0d 17 86 c6 05 a0 74 36 04 01 e8 19 81 bd fd <0f> 0b e9 16 f6 ff ff c7 44 24 14 01 00 00 00 e9 cd f6 ff ff 41 bd
RSP: 0018:ffff8881af727020 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff8127bbcd RDI: ffffed1035ee4df6
RBP: ffff8881d0026f00 R08: ffff8881c607c800 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881cf1c5d80
R13: 00000000fffffff0 R14: ffffffff862ba0a0 R15: ffff8881d0026f00
 iforce_get_id_packet+0x19c/0x52c
 iforce_init_device+0x391/0x13c4
 iforce_usb_probe+0x97c/0xd90
 usb_probe_interface+0x30d/0x7b0
 really_probe+0x296/0x680
 driver_probe_device+0xf9/0x200
 __device_attach_driver+0x1c4/0x230
 bus_for_each_drv+0x15e/0x1e0
 __device_attach+0x21e/0x360
 bus_probe_device+0x1ec/0x2a0
 device_add+0xaf4/0x1700
 usb_set_configuration+0xdf2/0x1670
 generic_probe+0x9d/0xd5
 usb_probe_device+0xa8/0x110
 really_probe+0x296/0x680
 driver_probe_device+0xf9/0x200
 __device_attach_driver+0x1c4/0x230
 bus_for_each_drv+0x15e/0x1e0
 __device_attach+0x21e/0x360
 bus_probe_device+0x1ec/0x2a0
 device_add+0xaf4/0x1700
 usb_new_device.cold+0x8b8/0x1030
 hub_event+0x1ac9/0x35a0
 process_one_work+0x90a/0x1580
 worker_thread+0x96/0xe20
 kthread+0x30e/0x420
 ret_from_fork+0x3a/0x50
Kernel Offset: disabled
Rebooting in 86400 seconds..