/usr/lib/x86_64-linux-gnu/libXdamage.so.1 is in libxdamage1 1:1.1.4-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libXdamage.so.1.1.0
/usr/lib/x86_64-linux-gnu/libXdamage.so.1.1.0