/usr/lib/x86_64-linux-gnu/liblz.so.1 is in liblz1 1.10-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/liblz.so.1.10
/usr/lib/x86_64-linux-gnu/liblz.so.1.10