/lib/modules/4.15.0-1021-gcp/kernel/drivers/ is in linux-modules-extra-4.15.0-1021-gcp 4.15.0-1021.22~16.04.1.
This file is owned by root:root, with mode 0o755.
There are a lot of files here (4487 total).
We're only showing the immediate contents of /lib/modules/4.15.0-1021-gcp/kernel/drivers
.