/usr/share/man/ is in mtp-tools 1.1.6-20-g1b9f164-1ubuntu2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/man/man1/
/usr/share/man/man1/mtp-tools.1.gz
/usr/share/man/man1/mtp-tracks.1.gz
/usr/share/man/man1/mtp-files.1.gz
/usr/share/man/man1/mtp-hotplug.1.gz
/usr/share/man/man1/mtp-delfile.1.gz
/usr/share/man/man1/mtp-newplaylist.1.gz
/usr/share/man/man1/mtp-albums.1.gz
/usr/share/man/man1/mtp-folders.1.gz
/usr/share/man/man1/mtp-sendfile.1.gz
/usr/share/man/man1/mtp-reset.1.gz
/usr/share/man/man1/mtp-sendtr.1.gz
/usr/share/man/man1/mtp-format.1.gz
/usr/share/man/man1/mtp-playlists.1.gz
/usr/share/man/man1/mtp-emptyfolders.1.gz
/usr/share/man/man1/mtp-getplaylist.1.gz
/usr/share/man/man1/mtp-filetree.1.gz
/usr/share/man/man1/mtp-thumb.1.gz
/usr/share/man/man1/mtp-trexist.1.gz
/usr/share/man/man1/mtp-detect.1.gz
/usr/share/man/man1/mtp-getfile.1.gz
/usr/share/man/man1/mtp-connect.1.gz
/usr/share/man/man1/mtp-newfolder.1.gz
/usr/share/man/man1/mtp-albumart.1.gz