segault IPLProcess::hasMessages

[drzraf]

#0  0x00005555556443f0 in std::vector<IPLProcessMessage, std::allocator<IPLProcessMessage> >::size() const (this=0x30003000300158)
    at /usr/include/c++/7/bits/stl_vector.h:671
#1  0x0000555555642a4a in IPLProcess::hasMessages() (this=0x30003000300000) at src/IPLProcess.cpp:385
#2  0x00005555555cd26d in IPProcessMessageWidget::updateMessages() (this=0x555556517380) at src/IPProcessMessageWidget.cpp:58
#3  0x00005555555fe27d in MainWindow::updateProcessMessages() (this=0x5555562267f0) at src/MainWindow.cpp:443
#4  0x00005555555c2953 in IPProcessGrid::propertyChanged(IPLProcess*) (this=0x5555563c23d0, process=0x5555563cafe0) at src/IPProcessGrid.cpp:594
#5  0x0000555555642553 in IPLProcess::notifyPropertyChangedEventHandler() (this=0x5555563cafe0) at src/IPLProcess.cpp:300
#6  0x000055555564c1fc in IPLProcessPropertyColor::setValue(IPLColor&&) (this=0x5555566d8aa0, value=...) at src/IPLProcessProperty.cpp:544
#7  0x000055555562ff36 in IPPropertyColorRGB::saveValue() (this=0x55555672a5e0)
    at ../intermediate/ImagePlay/Debug/linux/../../../../ImagePlay/include/PropertyWidgets/IPPropertyColorRGB.h:141
#8  0x00005555555d581e in IPPropertyColorRGB::updateValue() (this=0x55555672a5e0) at include/PropertyWidgets/IPPropertyColorRGB.h:176
#9  0x00005555555d53f1 in IPPropertyColorRGB::IPPropertyColorRGB(IPLProcessPropertyColor*, QWidget*, IPLColorPickProvider*) (this=0x55555672a5e0, property=0x5555566d8aa0, parent=0x55555655cb50, provider=0x555556555218) at include/PropertyWidgets/IPPropertyColorRGB.h:124
#10 0x00005555555cf985 in IPProcessPropertiesWidget::init(IPProcessStep*) (this=0x55555655cb50, processStep=0x555556384b00)
    at src/IPProcessPropertiesWidget.cpp:245
#11 0x00005555555fde71 in MainWindow::showProcessSettings(IPProcessStep*) (this=0x5555562267f0, processStep=0x555556384b00) at src/MainWindow.cpp:388
#12 0x00005555555fe1ff in MainWindow::setActiveProcessStep(IPProcessStep*) (this=0x5555562267f0, step=0x555556384b00) at src/MainWindow.cpp:427
#13 0x00005555555f77e5 in IPProcessStep::mouseDoubleClickEvent(QGraphicsSceneMouseEvent*) (this=0x555556384b00) at src/IPProcessStep.cpp:562
#14 0x00007ffff5ec14ec in QGraphicsItem::sceneEvent(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#15 0x00007ffff5ee4908 in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007ffff5eec6ab in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007ffff5ef3930 in QGraphicsScene::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007ffff5be482c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007ffff5bec0f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007ffff4e669a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007ffff5f1046e in QGraphicsView::mouseDoubleClickEvent(QMouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007ffff5c2394f in QWidget::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007ffff5cc44be in QFrame::event(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007ffff5f11bfb in QGraphicsView::viewportEvent(QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007ffff4e6668c in QCoreApplicationPrivate::sendThroughObjectEventFilters(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#26 0x00007ffff5be4805 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#27 0x00007ffff5bec64f in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#28 0x00007ffff4e669a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007ffff5beb622 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) ()
    at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007ffff5c3e14b in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007ffff5c407ba in  () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#32 0x00007ffff5be482c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#33 0x00007ffff5bec0f4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#34 0x00007ffff4e669a8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#35 0x00007ffff54286c0 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
---Type <return> to continue, or q <return> to quit---
#36 0x00007ffff5429ff5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) ()
    at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#37 0x00007ffff54012eb in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Gui.so.5
#38 0x00007fffcd09f1c0 in  () at /usr/lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#39 0x00007fffed561287 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#40 0x00007fffed5614c0 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#41 0x00007fffed56154c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#42 0x00007ffff4ebf8ef in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#43 0x00007ffff4e649ea in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#44 0x00007ffff4e6da84 in QCoreApplication::exec() () at /usr/lib/x86_64-linux-gnu/libQt5Core.so.5
#45 0x00005555555f9b3f in main(int, char**) (argc=2, argv=0x7fffffffdc28) at src/main.cpp:101

(gdb) frame 1
#1  0x0000555555642a4a in IPLProcess::hasMessages (this=0x30003000300000) at src/IPLProcess.cpp:385
385	    return _messages.size() > 0;

(gdb) print _messages 
Cannot access memory at address 0x3000300030015