/usr/share/perl5/App/KGB/ is in kgb-client 1.33-2ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/App/KGB/API.pm
/usr/share/perl5/App/KGB/Change.pm
/usr/share/perl5/App/KGB/Client/
/usr/share/perl5/App/KGB/Client.pm
/usr/share/perl5/App/KGB/Client/CVS.pm
/usr/share/perl5/App/KGB/Client/Fake.pm
/usr/share/perl5/App/KGB/Client/Git.pm
/usr/share/perl5/App/KGB/Client/RelayMsg.pm
/usr/share/perl5/App/KGB/Client/ServerRef.pm
/usr/share/perl5/App/KGB/Client/Subversion.pm
/usr/share/perl5/App/KGB/Commit/
/usr/share/perl5/App/KGB/Commit.pm
/usr/share/perl5/App/KGB/Commit/Tag.pm
/usr/share/perl5/App/KGB/Painter.pm