/usr/lib/python2.7/dist-packages/sphinx_rtd_theme/static/fonts/fontawesome-webfont.ttf is in python-sphinx-rtd-theme 0.1.9-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.7/dist-packages/sphinx_rtd_theme/static/fonts/../../../../../../share/sphinx_rtd_theme/static/fonts/fontawesome-webfont.ttf