/usr/share/perl5/App/ is in ack-grep 2.14-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/App/Ack/
/usr/share/perl5/App/Ack.pm
/usr/share/perl5/App/Ack/ConfigDefault.pm
/usr/share/perl5/App/Ack/ConfigFinder.pm
/usr/share/perl5/App/Ack/ConfigLoader.pm
/usr/share/perl5/App/Ack/Filter/
/usr/share/perl5/App/Ack/Filter.pm
/usr/share/perl5/App/Ack/Filter/Collection.pm
/usr/share/perl5/App/Ack/Filter/Default.pm
/usr/share/perl5/App/Ack/Filter/Extension.pm
/usr/share/perl5/App/Ack/Filter/ExtensionGroup.pm
/usr/share/perl5/App/Ack/Filter/FirstLineMatch.pm
/usr/share/perl5/App/Ack/Filter/Inverse.pm
/usr/share/perl5/App/Ack/Filter/Is.pm
/usr/share/perl5/App/Ack/Filter/IsGroup.pm
/usr/share/perl5/App/Ack/Filter/Match.pm
/usr/share/perl5/App/Ack/Resource/
/usr/share/perl5/App/Ack/Resource.pm
/usr/share/perl5/App/Ack/Resource/Basic.pm
/usr/share/perl5/App/Ack/Resources.pm