/usr/share/doc/texlive-doc/texdoc/texdoc.tex.gz is in texlive-base 2012.20120611-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/texlive-doc/texdoc/../../texlive-base/texdoc/texdoc.tex.gz