/lib/modules/4.15.0-20-generic/kernel/drivers/ is in linux-modules-extra-4.15.0-20-generic 4.15.0-20.21~16.04.1.
This file is owned by root:root, with mode 0o755.
There are a lot of files here (4488 total).
We're only showing the immediate contents of /lib/modules/4.15.0-20-generic/kernel/drivers
.