/lib/modules/4.13.0-31-generic/kernel/drivers/ is in linux-image-extra-4.13.0-31-generic 4.13.0-31.34~16.04.1.
This file is owned by root:root, with mode 0o755.
There are a lot of files here (4425 total).
We're only showing the immediate contents of /lib/modules/4.13.0-31-generic/kernel/drivers
.