/usr/share/texmf-texlive/fonts/source/ is in texlive-pictures 2009-15.
This file is owned by root:root, with mode 0o755.
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/usr/share/texmf-texlive/fonts/source/public/
/usr/share/texmf-texlive/fonts/source/public/xypic/
/usr/share/texmf-texlive/fonts/source/public/xypic/xyatip.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyatip10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xybsql10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xybtip.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xybtip10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xycirc10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xycm.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xycmat10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xycmat11.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xycmat12.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xycmbt10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xycmbt11.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xycmbt12.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyd.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyd2.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xydash10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyeuat10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyeuat11.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyeuat12.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyeubt10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyeubt11.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyeubt12.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyeuler.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyline10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xymisc10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xyqc10.mf
/usr/share/texmf-texlive/fonts/source/public/xypic/xytech.mf