/usr/ is in lua-posix 33.4.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/liblua5.1-posix.so.1.0.0
/usr/lib/x86_64-linux-gnu/liblua5.2-posix.so.1.0.0
/usr/lib/x86_64-linux-gnu/liblua5.3-posix.so.1.0.0
/usr/lib/x86_64-linux-gnu/lua/
/usr/lib/x86_64-linux-gnu/lua/5.1/
/usr/lib/x86_64-linux-gnu/lua/5.2/
/usr/lib/x86_64-linux-gnu/lua/5.3/
/usr/share/
/usr/share/doc/
/usr/share/doc/lua-posix/
/usr/share/doc/lua-posix/changelog.Debian.gz
/usr/share/doc/lua-posix/copyright
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/lintian/overrides/lua-posix
/usr/share/lua/
/usr/share/lua/5.1/
/usr/share/lua/5.1/posix/
/usr/share/lua/5.1/posix/_argcheck.lua
/usr/share/lua/5.1/posix/compat.lua
/usr/share/lua/5.1/posix/deprecated.lua
/usr/share/lua/5.1/posix/init.lua
/usr/share/lua/5.1/posix/sys.lua
/usr/share/lua/5.1/posix/util.lua
/usr/share/lua/5.2/
/usr/share/lua/5.2/posix/
/usr/share/lua/5.3/
/usr/share/lua/5.3/posix/
/usr/lib/x86_64-linux-gnu/liblua5.1-posix.so.1
/usr/lib/x86_64-linux-gnu/liblua5.2-posix.so.1
/usr/lib/x86_64-linux-gnu/liblua5.3-posix.so.1
/usr/lib/x86_64-linux-gnu/lua/5.1/posix_c.so
/usr/lib/x86_64-linux-gnu/lua/5.2/posix_c.so
/usr/lib/x86_64-linux-gnu/lua/5.3/posix_c.so
/usr/share/lua/5.2/posix/_argcheck.lua
/usr/share/lua/5.2/posix/compat.lua
/usr/share/lua/5.2/posix/deprecated.lua
/usr/share/lua/5.2/posix/init.lua
/usr/share/lua/5.2/posix/sys.lua
/usr/share/lua/5.2/posix/util.lua
/usr/share/lua/5.3/posix/_argcheck.lua
/usr/share/lua/5.3/posix/compat.lua
/usr/share/lua/5.3/posix/deprecated.lua
/usr/share/lua/5.3/posix/init.lua
/usr/share/lua/5.3/posix/sys.lua
/usr/share/lua/5.3/posix/util.lua