/usr/ is in libghc-dependent-sum-template-doc 0.0.0.6-1build4.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/ghc-doc/
/usr/lib/ghc-doc/haddock/
/usr/lib/ghc-doc/haddock/dependent-sum-template-0.0.0.6/
/usr/lib/ghc-doc/haddock/dependent-sum-template-0.0.0.6/dependent-sum-template.haddock
/usr/lib/ghc-doc/hoogle/
/usr/share/
/usr/share/doc/
/usr/share/doc/libghc-dependent-sum-template-doc/
/usr/share/doc/libghc-dependent-sum-template-doc/changelog.Debian.gz
/usr/share/doc/libghc-dependent-sum-template-doc/copyright
/usr/share/doc/libghc-dependent-sum-template-doc/html/
/usr/share/doc/libghc-dependent-sum-template-doc/html/Data-GADT-Compare-TH.html
/usr/share/doc/libghc-dependent-sum-template-doc/html/Data-GADT-Show-TH.html
/usr/share/doc/libghc-dependent-sum-template-doc/html/dependent-sum-template.txt
/usr/share/doc/libghc-dependent-sum-template-doc/html/doc-index.html
/usr/share/doc/libghc-dependent-sum-template-doc/html/haddock-util.js
/usr/share/doc/libghc-dependent-sum-template-doc/html/hslogo-16.png
/usr/share/doc/libghc-dependent-sum-template-doc/html/index.html
/usr/share/doc/libghc-dependent-sum-template-doc/html/mini_Data-GADT-Compare-TH.html
/usr/share/doc/libghc-dependent-sum-template-doc/html/mini_Data-GADT-Show-TH.html
/usr/share/doc/libghc-dependent-sum-template-doc/html/minus.gif
/usr/share/doc/libghc-dependent-sum-template-doc/html/ocean.css
/usr/share/doc/libghc-dependent-sum-template-doc/html/plus.gif
/usr/share/doc/libghc-dependent-sum-template-doc/html/src/
/usr/share/doc/libghc-dependent-sum-template-doc/html/src/Data-GADT-Compare-TH.html
/usr/share/doc/libghc-dependent-sum-template-doc/html/src/Data-GADT-Show-TH.html
/usr/share/doc/libghc-dependent-sum-template-doc/html/src/hscolour.css
/usr/share/doc/libghc-dependent-sum-template-doc/html/synopsis.png
/usr/lib/ghc-doc/hoogle/libghc-dependent-sum-template-doc.txt