/usr/lib/x86_64-linux-gnu/libJerasure.so is in libjerasure-dev 2.0.0+2017.04.10.git.de1739cc84-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libJerasure.so.2.0.0
/usr/lib/x86_64-linux-gnu/libJerasure.so.2.0.0