/usr/share/doc/ is in libghc-stm-doc 2.4.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/libghc-stm-doc/
/usr/share/doc/libghc-stm-doc/copyright
/usr/share/doc/libghc-stm-doc/html/
/usr/share/doc/libghc-stm-doc/html/mini_Control-Concurrent-STM-TArray.html
/usr/share/doc/libghc-stm-doc/html/Control-Concurrent-STM.html
/usr/share/doc/libghc-stm-doc/html/Control-Concurrent-STM-TArray.html
/usr/share/doc/libghc-stm-doc/html/hslogo-16.png
/usr/share/doc/libghc-stm-doc/html/minus.gif
/usr/share/doc/libghc-stm-doc/html/Control-Concurrent-STM-TVar.html
/usr/share/doc/libghc-stm-doc/html/mini_Control-Concurrent-STM-TSem.html
/usr/share/doc/libghc-stm-doc/html/Control-Concurrent-STM-TSem.html
/usr/share/doc/libghc-stm-doc/html/haddock-util.js
/usr/share/doc/libghc-stm-doc/html/mini_Control-Concurrent-STM-TChan.html
/usr/share/doc/libghc-stm-doc/html/ocean.css
/usr/share/doc/libghc-stm-doc/html/frames.html
/usr/share/doc/libghc-stm-doc/html/mini_Control-Concurrent-STM-TVar.html
/usr/share/doc/libghc-stm-doc/html/mini_Control-Monad-STM.html
/usr/share/doc/libghc-stm-doc/html/mini_Control-Concurrent-STM-TQueue.html
/usr/share/doc/libghc-stm-doc/html/mini_Control-Concurrent-STM-TBQueue.html
/usr/share/doc/libghc-stm-doc/html/synopsis.png
/usr/share/doc/libghc-stm-doc/html/index-frames.html
/usr/share/doc/libghc-stm-doc/html/src/
/usr/share/doc/libghc-stm-doc/html/src/hscolour.css
/usr/share/doc/libghc-stm-doc/html/src/Control-Concurrent-STM.html
/usr/share/doc/libghc-stm-doc/html/src/Control-Concurrent-STM-TArray.html
/usr/share/doc/libghc-stm-doc/html/src/Control-Sequential-STM.html
/usr/share/doc/libghc-stm-doc/html/src/Control-Concurrent-STM-TVar.html
/usr/share/doc/libghc-stm-doc/html/src/Control-Concurrent-STM-TSem.html
/usr/share/doc/libghc-stm-doc/html/src/Control-Concurrent-STM-TChan.html
/usr/share/doc/libghc-stm-doc/html/src/Control-Monad-STM.html
/usr/share/doc/libghc-stm-doc/html/src/Control-Concurrent-STM-TBQueue.html
/usr/share/doc/libghc-stm-doc/html/src/Control-Concurrent-STM-TMVar.html
/usr/share/doc/libghc-stm-doc/html/src/Control-Concurrent-STM-TQueue.html
/usr/share/doc/libghc-stm-doc/html/mini_Control-Concurrent-STM.html
/usr/share/doc/libghc-stm-doc/html/index.html
/usr/share/doc/libghc-stm-doc/html/stm.txt
/usr/share/doc/libghc-stm-doc/html/Control-Concurrent-STM-TChan.html
/usr/share/doc/libghc-stm-doc/html/Control-Monad-STM.html
/usr/share/doc/libghc-stm-doc/html/Control-Concurrent-STM-TBQueue.html
/usr/share/doc/libghc-stm-doc/html/Control-Concurrent-STM-TMVar.html
/usr/share/doc/libghc-stm-doc/html/doc-index.html
/usr/share/doc/libghc-stm-doc/html/Control-Concurrent-STM-TQueue.html
/usr/share/doc/libghc-stm-doc/html/plus.gif
/usr/share/doc/libghc-stm-doc/html/mini_Control-Concurrent-STM-TMVar.html
/usr/share/doc/libghc-stm-doc/changelog.Debian.gz