/usr/share/doc/fonts-texgyre/qzc-info.pdf is in fonts-texgyre 20150923-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/fonts-texgyre/../../texmf/doc/fonts/tex-gyre/qzc-info.pdf
/usr/share/doc/fonts-texgyre/../../texmf/doc/fonts/tex-gyre/qzc-info.pdf