/usr/share/doc/procps/changelog.Debian.gz is in procps 1:3.3.9-1ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/procps/../libprocps3/changelog.Debian.gz
/usr/share/doc/procps/../libprocps3/changelog.Debian.gz