/usr/share/doc/openmpi1.5-bin/README.gz is in openmpi1.5-bin 1.5.4-0ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/openmpi1.5-bin/../libopenmpi1.5-2/README.gz
/usr/share/doc/openmpi1.5-bin/../libopenmpi1.5-2/README.gz