/usr/lib/openarena/baseoa/z_oacmp-volume1-v3.pk3 is in openarena-oacmp1 3-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/openarena/baseoa/../../../share/games/openarena/baseoa/z_oacmp-volume1-v3.pk3