/var/lib/tex-common/fontmap-cfg/texlive/texlive-math-extra.cfg is in texlive-math-extra 2013.20140215-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 | MixedMap yhmath.map
MixedMap stmaryrd.map
|