/usr/share/man/man1/ginstall-info.1.gz is in install-info 6.3.0.dfsg.1-1+b2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/install-info.1.gz
/usr/share/man/man1/install-info.1.gz