/usr/src/linux-azure-headers-4.15.0-1018/ is in linux-azure-headers-4.15.0-1018 4.15.0-1018.18~16.04.1.
This file is owned by root:root, with mode 0o755.
There are a lot of files here (18216 total).
We're only showing the immediate contents of /usr/src/linux-azure-headers-4.15.0-1018
.