/usr/src/qtcreator/ is in qtcreator-plugin-valgrind-dev 3.0.1+14.04.20140410.1-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/src/qtcreator/src/
/usr/src/qtcreator/src/plugins/
/usr/src/qtcreator/src/plugins/valgrind/
/usr/src/qtcreator/src/plugins/valgrind/callgrind/
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrind.pri
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindabstractmodel.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindcallmodel.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindcontroller.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindcostitem.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindcycledetection.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrinddatamodel.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindfunction.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindfunction_p.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindfunctioncall.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindfunctioncycle.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindparsedata.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindparser.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindproxymodel.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindrunner.h
/usr/src/qtcreator/src/plugins/valgrind/callgrind/callgrindstackbrowser.h
/usr/src/qtcreator/src/plugins/valgrind/callgrindcostdelegate.h
/usr/src/qtcreator/src/plugins/valgrind/callgrindcostview.h
/usr/src/qtcreator/src/plugins/valgrind/callgrindengine.h
/usr/src/qtcreator/src/plugins/valgrind/callgrindhelper.h
/usr/src/qtcreator/src/plugins/valgrind/callgrindnamedelegate.h
/usr/src/qtcreator/src/plugins/valgrind/callgrindtextmark.h
/usr/src/qtcreator/src/plugins/valgrind/callgrindtool.h
/usr/src/qtcreator/src/plugins/valgrind/callgrindvisualisation.h
/usr/src/qtcreator/src/plugins/valgrind/memcheck/
/usr/src/qtcreator/src/plugins/valgrind/memcheck/memcheck.pri
/usr/src/qtcreator/src/plugins/valgrind/memcheck/memcheckrunner.h
/usr/src/qtcreator/src/plugins/valgrind/memcheckengine.h
/usr/src/qtcreator/src/plugins/valgrind/memcheckerrorview.h
/usr/src/qtcreator/src/plugins/valgrind/memchecktool.h
/usr/src/qtcreator/src/plugins/valgrind/suppressiondialog.h
/usr/src/qtcreator/src/plugins/valgrind/valgrind_dependencies.pri
/usr/src/qtcreator/src/plugins/valgrind/valgrind_test.pri
/usr/src/qtcreator/src/plugins/valgrind/valgrindconfigwidget.h
/usr/src/qtcreator/src/plugins/valgrind/valgrindengine.h
/usr/src/qtcreator/src/plugins/valgrind/valgrindplugin.h
/usr/src/qtcreator/src/plugins/valgrind/valgrindprocess.h
/usr/src/qtcreator/src/plugins/valgrind/valgrindruncontrolfactory.h
/usr/src/qtcreator/src/plugins/valgrind/valgrindrunner.h
/usr/src/qtcreator/src/plugins/valgrind/valgrindsettings.h
/usr/src/qtcreator/src/plugins/valgrind/valgrindtool.h
/usr/src/qtcreator/src/plugins/valgrind/workarounds.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/announcethread.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/error.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/errorlistmodel.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/frame.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/modelhelpers.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/parser.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/stack.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/stackmodel.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/status.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/suppression.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/threadedparser.h
/usr/src/qtcreator/src/plugins/valgrind/xmlprotocol/xmlprotocol.pri