/usr/share/texmf-texlive/tex/ is in texlive-luatex 2009-15.
This file is owned by root:root, with mode 0o755.
..
/usr/share/texmf-texlive/tex/lualatex/
/usr/share/texmf-texlive/tex/lualatex/luainputenc/
/usr/share/texmf-texlive/tex/lualatex/luainputenc/eu2enc.def
/usr/share/texmf-texlive/tex/lualatex/luainputenc/eu2lmr.fd
/usr/share/texmf-texlive/tex/lualatex/luainputenc/luainputenc.lua
/usr/share/texmf-texlive/tex/lualatex/luainputenc/luainputenc.sty
/usr/share/texmf-texlive/tex/lualatex/luainputenc/lutf8.def
/usr/share/texmf-texlive/tex/lualatex/luainputenc/lutf8x.def
/usr/share/texmf-texlive/tex/luatex/
/usr/share/texmf-texlive/tex/luatex/luamplib/
/usr/share/texmf-texlive/tex/luatex/luamplib/luamplib-createmem.lua
/usr/share/texmf-texlive/tex/luatex/luamplib/luamplib.lua
/usr/share/texmf-texlive/tex/luatex/luamplib/luamplib.sty
/usr/share/texmf-texlive/tex/luatex/luaotfload/
/usr/share/texmf-texlive/tex/luatex/luaotfload/luaotfload.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/luaotfload.sty
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-data-con.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-cid.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-def.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-dum.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-ini.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-map.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-ota.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-otb.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-otc.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-otd.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-otf.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-oti.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-otn.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-ott.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-tfm.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-font-xtx.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-luat-dum.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-node-dum.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-node-fnt.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-node-ini.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-node-inj.lua
/usr/share/texmf-texlive/tex/luatex/luaotfload/otfl-node-res.lua
/usr/share/texmf-texlive/tex/luatex/luatextra/
/usr/share/texmf-texlive/tex/luatex/luatextra/luaextra.lua
/usr/share/texmf-texlive/tex/luatex/luatextra/luamcallbacks.lua
/usr/share/texmf-texlive/tex/luatex/luatextra/luatextra-latex.tex
/usr/share/texmf-texlive/tex/luatex/luatextra/luatextra.lua
/usr/share/texmf-texlive/tex/luatex/luatextra/luatextra.sty