/usr/lib/x86_64-linux-gnu/qt5/examples/positioning/logfilepositionsource/ is in qtlocation5-examples 5.5.1-3ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/qt5/examples/positioning/logfilepositionsource/clientapplication.cpp
/usr/lib/x86_64-linux-gnu/qt5/examples/positioning/logfilepositionsource/clientapplication.h
/usr/lib/x86_64-linux-gnu/qt5/examples/positioning/logfilepositionsource/logfile.qrc
/usr/lib/x86_64-linux-gnu/qt5/examples/positioning/logfilepositionsource/logfilepositionsource
/usr/lib/x86_64-linux-gnu/qt5/examples/positioning/logfilepositionsource/logfilepositionsource.cpp
/usr/lib/x86_64-linux-gnu/qt5/examples/positioning/logfilepositionsource/logfilepositionsource.h
/usr/lib/x86_64-linux-gnu/qt5/examples/positioning/logfilepositionsource/logfilepositionsource.pro
/usr/lib/x86_64-linux-gnu/qt5/examples/positioning/logfilepositionsource/main.cpp
/usr/lib/x86_64-linux-gnu/qt5/examples/positioning/logfilepositionsource/simplelog.txt