This file is indexed.

/usr/lib/x86_64-linux-gnu/libm17n-flt.so is in libm17n-dev 1.7.0-3+b1.

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

It is a symlink to /usr/lib/x86_64-linux-gnu/libm17n-flt.so.0.4.1