------------[ cut here ]------------
URB 0000000084fb97f3 submitted while active
WARNING: CPU: 1 PID: 22 at drivers/usb/core/urb.c:363 usb_submit_urb+0x1110/0x1400 drivers/usb/core/urb.c:363
kobject: 'usb6-port1' (000000003b6a4575): kobject_uevent_env
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 22 Comm: kworker/1:1 Not tainted 4.20.0+ #13
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient hub_init_func2
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1db/0x2d0 lib/dump_stack.c:113
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x48 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
kobject: 'usb6-port1' (000000003b6a4575): kobject_uevent_env: filter function caused the event to drop!
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:usb_submit_urb+0x1110/0x1400 drivers/usb/core/urb.c:363
Code: 89 de e8 f3 d3 88 fc 84 db 0f 85 fe f5 ff ff e8 a6 d2 88 fc 4c 89 fe 48 c7 c7 c0 b4 b2 88 c6 05 c4 e4 5e 05 01 e8 30 29 52 fc <0f> 0b e9 dc f5 ff ff c7 45 c8 01 00 00 00 e9 94 f6 ff ff 41 be ed
RSP: 0018:ffff8880a95c7820 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81684ce6 RDI: 0000000000000005
RBP: ffff8880a95c7880 R08: ffff8880a95ae5c0 R09: ffffed1015ce5021
R10: ffffed1015ce5020 R11: ffff8880ae728107 R12: ffff88808c1bb250
R13: ffff8880a95c79a0 R14: 00000000fffffff0 R15: ffff88809f50e800
 hub_activate+0xce7/0x1980 drivers/usb/core/hub.c:1225
kobject: 'usb6-port1' (000000003b6a4575): kobject_cleanup, parent           (null)
 hub_init_func2+0x1e/0x30 drivers/usb/core/hub.c:1250
kobject: 'usb6-port1' (000000003b6a4575): calling ktype release
 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153
kobject: 'usb6-port1': free name
kobject: '6-0:1.0' (00000000a498d376): kobject_uevent_env
kobject: '6-0:1.0' (00000000a498d376): fill_kobj_path: path = '/devices/platform/vhci_hcd.2/usb6/6-0:1.0'
 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296
kobject: 'loop5' (00000000fe059194): kobject_uevent_env
kobject: 'loop5' (00000000fe059194): fill_kobj_path: path = '/devices/virtual/block/loop5'
 kthread+0x357/0x430 kernel/kthread.c:246
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..