/usr/share/texmf/fonts/source/public/ is in latex-sanskrit 2.2-10.
This file is owned by root:root, with mode 0o755.
..
/usr/share/texmf/fonts/source/public/sanskrit/
/usr/share/texmf/fonts/source/public/sanskrit/skt10.mf
/usr/share/texmf/fonts/source/public/sanskrit/skt8.mf
/usr/share/texmf/fonts/source/public/sanskrit/skt9.mf
/usr/share/texmf/fonts/source/public/sanskrit/sktb10.mf
/usr/share/texmf/fonts/source/public/sanskrit/sktbs10.mf
/usr/share/texmf/fonts/source/public/sanskrit/sktchars.mf
/usr/share/texmf/fonts/source/public/sanskrit/sktdefs.mf
/usr/share/texmf/fonts/source/public/sanskrit/sktf10.mf
/usr/share/texmf/fonts/source/public/sanskrit/sktfs10.mf
/usr/share/texmf/fonts/source/public/sanskrit/sktligs.mf
/usr/share/texmf/fonts/source/public/sanskrit/skts10.mf