This file is indexed.

/usr/lib/x86_64-linux-gnu/libuno_sal.so.3 is in uno-libs3 5.1.2-0ubuntu1.

This file is owned by root:root, with mode 0o777.

It is a symlink to /usr/lib/x86_64-linux-gnu/../libreoffice/program/libuno_sal.so.3