/usr/lib/x86_64-linux-gnu/libosl.so

This file is indexed.

/usr/lib/x86_64-linux-gnu/libosl.so is in libosl-dev 0.8.0-1.4.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libosl.so.1