/usr/ is in libfile-sharedir-perl 1.104-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/libfile-sharedir-perl/
/usr/share/doc/libfile-sharedir-perl/changelog.Debian.gz
/usr/share/doc/libfile-sharedir-perl/copyright
/usr/share/man/
/usr/share/man/man3/
/usr/share/man/man3/File::ShareDir.3pm.gz
/usr/share/perl5/
/usr/share/perl5/File/
/usr/share/perl5/File/ShareDir.pm
/usr/share/perl5/auto/
/usr/share/perl5/auto/share/
/usr/share/perl5/auto/share/dist/
/usr/share/perl5/auto/share/dist/File-ShareDir/
/usr/share/perl5/auto/share/dist/File-ShareDir/sample.txt
/usr/share/perl5/auto/share/dist/File-ShareDir/subdir/
/usr/share/perl5/auto/share/dist/File-ShareDir/subdir/sample.txt
/usr/share/perl5/auto/share/module/
/usr/share/perl5/auto/share/module/File-ShareDir/
/usr/share/perl5/auto/share/module/File-ShareDir/test_file.txt