/usr/share/doc/libsocksd0-dev/README is in libsocksd0-dev 1.1.19.dfsg-3ubuntu11.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/doc/libsocksd0-dev/../libsocksd0/README
/usr/share/doc/libsocksd0-dev/../libsocksd0/README