/etc/fonts/conf.d/67-smc-chilanka.conf is in fonts-smc-chilanka 1.2.0-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /etc/fonts/conf.d/../conf.avail/67-smc-chilanka.conf
/etc/fonts/conf.d/../conf.avail/67-smc-chilanka.conf