/usr/lib/libcorosync_common.so.4 is in libcorosync-common4 2.3.3-1ubuntu1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/libcorosync_common.so.4.0.0
/usr/lib/libcorosync_common.so.4.0.0