/usr/share/texlive/texmf-dist/tex/luatex/lualibs/ is in texlive-luatex 2012.20120611-5.
This file is owned by root:root, with mode 0o755.
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/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-aux.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-boolean.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-dimen.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-dir.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-file.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-io.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-lpeg.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-math.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-md5.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-number.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-os.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-set.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-string.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-table.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-unicode.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-url.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs-utils.lua
/usr/share/texlive/texmf-dist/tex/luatex/lualibs/lualibs.lua