/usr/share/common-lisp/ros/map_msgs/msg/ is in cl-map-msgs 1.13.0-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/common-lisp/ros/map_msgs/msg/OccupancyGridUpdate.lisp
/usr/share/common-lisp/ros/map_msgs/msg/PointCloud2Update.lisp
/usr/share/common-lisp/ros/map_msgs/msg/ProjectedMap.lisp
/usr/share/common-lisp/ros/map_msgs/msg/ProjectedMapInfo.lisp
/usr/share/common-lisp/ros/map_msgs/msg/_package.lisp
/usr/share/common-lisp/ros/map_msgs/msg/_package_OccupancyGridUpdate.lisp
/usr/share/common-lisp/ros/map_msgs/msg/_package_PointCloud2Update.lisp
/usr/share/common-lisp/ros/map_msgs/msg/_package_ProjectedMap.lisp
/usr/share/common-lisp/ros/map_msgs/msg/_package_ProjectedMapInfo.lisp
/usr/share/common-lisp/ros/map_msgs/msg/map_msgs-msg.asd