==24190== Invalid read of size 4 ==24190== at 0x7857B0C: QModelIndex::row() const (qabstractitemmodel.h:67) ==24190== by 0x7A4FC33: QTreeView::indexRowSizeHint(QModelIndex const&) const (qtreeview.cpp:2792) ==24190== by 0x7A52015: QTreeViewPrivate::itemHeight(int) const (qtreeview.cpp:3229) ==24190== by 0x7A52C8A: QTreeViewPrivate::updateScrollBars() (qtreeview.cpp:3448) ==24190== by 0x7A4F511: QTreeView::updateGeometries() (qtreeview.cpp:2686) ==24190== by 0x79FC990: QAbstractItemView::doItemsLayout() (qabstractitemview.cpp:1139) ==24190== by 0x7A4C512: QTreeView::doItemsLayout() (qtreeview.cpp:2027) ==24190== by 0x7A020D9: QAbstractItemView::timerEvent(QTimerEvent*) (qabstractitemview.cpp:2415) ==24190== by 0x7A48522: QTreeView::timerEvent(QTimerEvent*) (qtreeview.cpp:1209) ==24190== by 0x62D073C: QObject::event(QEvent*) (qobject.cpp:1183) ==24190== by 0x73EA648: QWidget::event(QEvent*) (qwidget.cpp:8646) ==24190== by 0x789B86A: QFrame::event(QEvent*) (qframe.cpp:557) ==24190== by 0x7945BD4: QAbstractScrollArea::event(QEvent*) (qabstractscrollarea.cpp:996) ==24190== by 0x79FD473: QAbstractItemView::event(QEvent*) (qabstractitemview.cpp:1555) ==24190== by 0x7381FAD: QApplicationPrivate::notify_helper(QObject*, QEvent*) (qapplication.cpp:4397) ==24190== by 0x7381CAD: QApplication::notify(QObject*, QEvent*) (qapplication.cpp:4362) ==24190== by 0x50A87E8: KApplication::notify(QObject*, QEvent*) (kapplication.cpp:311) ==24190== by 0x62B7B72: QCoreApplication::notifyInternal(QObject*, QEvent*) (qcoreapplication.cpp:732) ==24190== by 0x62BBCA0: QCoreApplication::sendEvent(QObject*, QEvent*) (in /d/qt/4/qt-for-trunk/lib/libQtCore.so.4.7.0) ==24190== by 0x62F433C: QTimerInfoList::activateTimers() (qeventdispatcher_unix.cpp:602) ==24190== by 0x62F059D: timerSourceDispatch(_GSource*, int (*)(void*), void*) (qeventdispatcher_glib.cpp:184) ==24190== by 0xC085BF2: g_main_context_dispatch (in /usr/lib/libglib-2.0.so.0.2600.1) ==24190== by 0xC0863CF: ??? (in /usr/lib/libglib-2.0.so.0.2600.1) ==24190== by 0xC08666C: g_main_context_iteration (in /usr/lib/libglib-2.0.so.0.2600.1) ==24190== by 0x62F1044: QEventDispatcherGlib::processEvents(QFlags) (qeventdispatcher_glib.cpp:415) ==24190== by 0x7458B3D: QGuiEventDispatcherGlib::processEvents(QFlags) (qguieventdispatcher_glib.cpp:204) ==24190== by 0x62B56D5: QEventLoop::processEvents(QFlags) (qeventloop.cpp:149) ==24190== by 0x62B5829: QEventLoop::exec(QFlags) (qeventloop.cpp:201) ==24190== by 0x62B8265: QCoreApplication::exec() (qcoreapplication.cpp:1009) ==24190== by 0x737F0F7: QApplication::exec() (qapplication.cpp:3673) ==24190== by 0x40D415: main (main.cpp:67) ==24190== Address 0x1a1b24d0 is 88,096 bytes inside a block of size 131,056 free'd ==24190== at 0x4C243F6: free (vg_replace_malloc.c:366) ==24190== by 0x61947ED: qFree(void*) (qmalloc.cpp:60) ==24190== by 0x620292B: QVectorData::free(QVectorData*, int) (qvector.cpp:82) ==24190== by 0x7A58228: QVectorTypedData::free(QVectorTypedData*, int) (qvector.h:96) ==24190== by 0x7A56C57: QVector::free(QVectorTypedData*) (qvector.h:439) ==24190== by 0x7A55E83: QVector::~QVector() (in /d/qt/4/qt-for-trunk/lib/libQtGui.so.4.7.0) ==24190== by 0x7A4F94D: QTreeView::sizeHintForColumn(int) const (qtreeview.cpp:2715) ==24190== by 0x7A19A92: QHeaderViewPrivate::viewSectionSizeHint(int) const (qheaderview.cpp:3501) ==24190== by 0x7A17B53: QHeaderViewPrivate::resizeSections(QHeaderView::ResizeMode, bool) (qheaderview.cpp:3008) ==24190== by 0x7A11C5D: QHeaderView::resizeSections() (qheaderview.cpp:1618) ==24190== by 0x7A1BABF: QHeaderViewPrivate::executePostedResize() const (qheaderview_p.h:230) ==24190== by 0x7A0F7C6: QHeaderView::visualIndexAt(int) const (qheaderview.cpp:587) ==24190== by 0x7A4FAB8: QTreeView::indexRowSizeHint(QModelIndex const&) const (qtreeview.cpp:2762) ==24190== by 0x7A52015: QTreeViewPrivate::itemHeight(int) const (qtreeview.cpp:3229) ==24190== by 0x7A52C8A: QTreeViewPrivate::updateScrollBars() (qtreeview.cpp:3448) ==24190== by 0x7A4F511: QTreeView::updateGeometries() (qtreeview.cpp:2686) ==24190== by 0x79FC990: QAbstractItemView::doItemsLayout() (qabstractitemview.cpp:1139) ==24190== by 0x7A4C512: QTreeView::doItemsLayout() (qtreeview.cpp:2027) ==24190== by 0x7A020D9: QAbstractItemView::timerEvent(QTimerEvent*) (qabstractitemview.cpp:2415) ==24190== by 0x7A48522: QTreeView::timerEvent(QTimerEvent*) (qtreeview.cpp:1209) ==24190== by 0x62D073C: QObject::event(QEvent*) (qobject.cpp:1183) ==24190== by 0x73EA648: QWidget::event(QEvent*) (qwidget.cpp:8646) ==24190== by 0x789B86A: QFrame::event(QEvent*) (qframe.cpp:557) ==24190== by 0x7945BD4: QAbstractScrollArea::event(QEvent*) (qabstractscrollarea.cpp:996) ==24190== by 0x79FD473: QAbstractItemView::event(QEvent*) (qabstractitemview.cpp:1555) ==24190== by 0x7381FAD: QApplicationPrivate::notify_helper(QObject*, QEvent*) (qapplication.cpp:4397) ==24190== by 0x7381CAD: QApplication::notify(QObject*, QEvent*) (qapplication.cpp:4362) ==24190== by 0x50A87E8: KApplication::notify(QObject*, QEvent*) (kapplication.cpp:311) ==24190== by 0x62B7B72: QCoreApplication::notifyInternal(QObject*, QEvent*) (qcoreapplication.cpp:732) ==24190== by 0x62BBCA0: QCoreApplication::sendEvent(QObject*, QEvent*) (in /d/qt/4/qt-for-trunk/lib/libQtCore.so.4.7.0) ==24190== by 0x62F433C: QTimerInfoList::activateTimers() (qeventdispatcher_unix.cpp:602) ==24190== by 0x62F059D: timerSourceDispatch(_GSource*, int (*)(void*), void*) (qeventdispatcher_glib.cpp:184) ==24190== by 0xC085BF2: g_main_context_dispatch (in /usr/lib/libglib-2.0.so.0.2600.1) ==24190== by 0xC0863CF: ??? (in /usr/lib/libglib-2.0.so.0.2600.1) ==24190== by 0xC08666C: g_main_context_iteration (in /usr/lib/libglib-2.0.so.0.2600.1) ==24190== by 0x62F1044: QEventDispatcherGlib::processEvents(QFlags) (qeventdispatcher_glib.cpp:415) ==24190== by 0x7458B3D: QGuiEventDispatcherGlib::processEvents(QFlags) (qguieventdispatcher_glib.cpp:204) ==24190== by 0x62B56D5: QEventLoop::processEvents(QFlags) (qeventloop.cpp:149) ==24190== by 0x62B5829: QEventLoop::exec(QFlags) (qeventloop.cpp:201) ==24190== by 0x62B8265: QCoreApplication::exec() (qcoreapplication.cpp:1009) ==24190== by 0x737F0F7: QApplication::exec() (qapplication.cpp:3673) ==24190== by 0x40D415: main (main.cpp:67)