/usr/share/ is in debian-kernel-handbook 1.0.15.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/
/usr/share/doc/debian-kernel-handbook/
/usr/share/doc/debian-kernel-handbook/kernel-handbook.html/
/usr/share/doc/debian-kernel-handbook/kernel-handbook.html/ch-modules.html
/usr/share/doc/debian-kernel-handbook/kernel-handbook.html/ch-bugs.html
/usr/share/doc/debian-kernel-handbook/kernel-handbook.html/ch-versions.html
/usr/share/doc/debian-kernel-handbook/kernel-handbook.html/ch-update-hooks.html
/usr/share/doc/debian-kernel-handbook/kernel-handbook.html/ch-packaging.html
/usr/share/doc/debian-kernel-handbook/kernel-handbook.html/ch-scope.html
/usr/share/doc/debian-kernel-handbook/kernel-handbook.html/index.html
/usr/share/doc/debian-kernel-handbook/kernel-handbook.html/ch-common-tasks.html
/usr/share/doc/debian-kernel-handbook/kernel-handbook.html/ch-initramfs.html
/usr/share/doc/debian-kernel-handbook/kernel-handbook.html/ch-source.html
/usr/share/doc/debian-kernel-handbook/changelog.gz
/usr/share/doc/debian-kernel-handbook/copyright
/usr/share/doc-base/
/usr/share/doc-base/debian-kernel-handbook