/usr/lib/ghc-doc/hoogle/libghc-process-conduit-doc.txt is in libghc-process-conduit-doc 1.1.0.0-3.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-process-conduit-doc/html/process-conduit.txt