/usr/ is in libqinfinity-dev 1:0.5.2-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/lintian/
/usr/share/lintian/overrides/
/usr/share/
/usr/share/doc/
/usr/share/doc/libqinfinity-dev/
/usr/share/doc/libqinfinity-dev/copyright
/usr/share/lintian/overrides/libqinfinity-dev
/usr/include/
/usr/include/libqinfinity/
/usr/include/libqinfinity/browseritemfactory.h
/usr/include/libqinfinity/sessionproxy.h
/usr/include/libqinfinity/browsermodel.h
/usr/include/libqinfinity/defaulttextplugin.h
/usr/include/libqinfinity/browser.h
/usr/include/libqinfinity/session.h
/usr/include/libqinfinity/usersmodel.h
/usr/include/libqinfinity/adopteduser.h
/usr/include/libqinfinity/qgsignal.h
/usr/include/libqinfinity/qgobject.h
/usr/include/libqinfinity/textsession.h
/usr/include/libqinfinity/explorerequest.h
/usr/include/libqinfinity/undogrouping.h
/usr/include/libqinfinity/textchunk.h
/usr/include/libqinfinity/buffer.h
/usr/include/libqinfinity/init.h
/usr/include/libqinfinity/communicationjoinedgroup.h
/usr/include/libqinfinity/userrequest.h
/usr/include/libqinfinity/adoptedsession.h
/usr/include/libqinfinity/noteplugin.h
/usr/include/libqinfinity/request.h
/usr/include/libqinfinity/browseriter.h
/usr/include/libqinfinity/usertable.h
/usr/include/libqinfinity/ipaddress.h
/usr/include/libqinfinity/noderequest.h
/usr/include/libqinfinity/qtio.h
/usr/include/libqinfinity/textdefaultbuffer.h
/usr/include/libqinfinity/textbuffer.h
/usr/include/libqinfinity/certificatecredentials.h
/usr/include/libqinfinity/wrapperstore.h
/usr/include/libqinfinity/abstracttextbuffer.h
/usr/include/libqinfinity/communicationmanager.h
/usr/include/libqinfinity/user.h
/usr/include/libqinfinity/xmlconnection.h
/usr/include/libqinfinity/qtiowatch.h
/usr/include/libqinfinity/tcpconnection.h
/usr/include/libqinfinity/xmppconnection.h
/usr/lib/
/usr/share/doc/libqinfinity-dev/changelog.Debian.gz
/usr/lib/libqinfinity.so