/usr/lib/ghc-doc/hoogle/libghc-hs-bibutils-doc.txt is in libghc-hs-bibutils-doc 5.5-5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/ghc-doc/hoogle/../../../share/doc/libghc-hs-bibutils-doc/html/hs-bibutils.txt