/usr/share/ is in libghc-secret-sharing-doc 1.0.0.3-3build8.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/libghc-secret-sharing-doc/
/usr/share/doc/libghc-secret-sharing-doc/changelog.Debian.gz
/usr/share/doc/libghc-secret-sharing-doc/copyright
/usr/share/doc/libghc-secret-sharing-doc/html/
/usr/share/doc/libghc-secret-sharing-doc/html/Crypto-SecretSharing-Internal.html
/usr/share/doc/libghc-secret-sharing-doc/html/Crypto-SecretSharing.html
/usr/share/doc/libghc-secret-sharing-doc/html/doc-index.html
/usr/share/doc/libghc-secret-sharing-doc/html/haddock-util.js
/usr/share/doc/libghc-secret-sharing-doc/html/hslogo-16.png
/usr/share/doc/libghc-secret-sharing-doc/html/index.html
/usr/share/doc/libghc-secret-sharing-doc/html/mini_Crypto-SecretSharing-Internal.html
/usr/share/doc/libghc-secret-sharing-doc/html/mini_Crypto-SecretSharing.html
/usr/share/doc/libghc-secret-sharing-doc/html/minus.gif
/usr/share/doc/libghc-secret-sharing-doc/html/ocean.css
/usr/share/doc/libghc-secret-sharing-doc/html/plus.gif
/usr/share/doc/libghc-secret-sharing-doc/html/secret-sharing.txt
/usr/share/doc/libghc-secret-sharing-doc/html/src/
/usr/share/doc/libghc-secret-sharing-doc/html/src/Crypto-SecretSharing-Internal.html
/usr/share/doc/libghc-secret-sharing-doc/html/src/Crypto-SecretSharing.html
/usr/share/doc/libghc-secret-sharing-doc/html/src/hscolour.css
/usr/share/doc/libghc-secret-sharing-doc/html/synopsis.png