/usr/share/root/fonts/FreeSerifBold.ttf is in root-system-common 5.34.30-0ubuntu8.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/root/fonts/../../fonts/truetype/freefont/FreeSerifBold.ttf
/usr/share/root/fonts/../../fonts/truetype/freefont/FreeSerifBold.ttf