/usr/src/linux-gcp-headers-4.18.0-1005/ is in linux-gcp-headers-4.18.0-1005 4.18.0-1005.6~18.04.1.
This file is owned by root:root, with mode 0o755.
There are a lot of files here (17088 total).
We're only showing the immediate contents of /usr/src/linux-gcp-headers-4.18.0-1005
.