/usr/share/man/man1/openssl-gendsa.1ssl.gz is in openssl 1.1.0j-1~deb9u1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man1/gendsa.1ssl.gz
/usr/share/man/man1/gendsa.1ssl.gz