/usr/share/doc/ansible-fireball/changelog.Debian.gz is in ansible-fireball 1.5.4+dfsg-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/ansible-fireball/../ansible/changelog.Debian.gz
/usr/share/doc/ansible-fireball/../ansible/changelog.Debian.gz