This file is indexed.

/usr/lib/x86_64-linux-gnu/libwayland-client.so.0 is in libwayland-client0 1.12.0-1+deb9u1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libwayland-client.so.0.3.0