This file is indexed.

/usr/arm-linux-gnueabi/lib/libubsan.so.0 is in libubsan0-armel-cross 7.3.0-16ubuntu3cross1.

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

It is a symlink to /usr/arm-linux-gnueabi/lib/libubsan.so.0.0.0