/usr/share/doc/ is in libcmap-dev 2.3.3-1ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/corosync/html/
/usr/share/doc/libcmap-dev/
/usr/share/doc/libcmap-dev/copyright
/usr/share/doc/corosync/
/usr/share/doc/corosync/html/cmap_inc.3.html
/usr/share/doc/corosync/html/cmap_dispatch.3.html
/usr/share/doc/corosync/html/cmap_iter_next.3.html
/usr/share/doc/corosync/html/cmap_track_delete.3.html
/usr/share/doc/corosync/html/cmap_track_add.3.html
/usr/share/doc/corosync/html/cmap_iter_init.3.html
/usr/share/doc/corosync/html/cmap_fd_get.3.html
/usr/share/doc/corosync/html/cmap_finalize.3.html
/usr/share/doc/corosync/html/cmap_iter_finalize.3.html
/usr/share/doc/corosync/html/cmap_delete.3.html
/usr/share/doc/corosync/html/cmap_set.3.html
/usr/share/doc/corosync/html/cmap_overview.8.html
/usr/share/doc/corosync/html/cmap_keys.8.html
/usr/share/doc/corosync/html/cmap_initialize.3.html
/usr/share/doc/corosync/html/cmap_get.3.html
/usr/share/doc/corosync/html/cmap_context_set.3.html
/usr/share/doc/corosync/html/cmap_context_get.3.html
/usr/share/doc/corosync/html/cmap_dec.3.html
/usr/share/doc/libcmap-dev/changelog.Debian.gz