Thread 1 "stardust-xr" received signal SIGSEGV, Segmentation fault.
0x000055555556cc0b in StardustQt3DOffscreen::onFrameRendered (this=0x555556675430, capture=0x555556716f60, image=0x555556427a30) at ../src/openxr/stardustqt3doffscreen.cpp:56
warning: Source file is more recent than executable.
56      vkMapMemory(graphics->openxr->vulkan->device, stagingBufferMemory, 0, imageSize, 0, &data);
(gdb) bt
#0  0x000055555556cc0b in StardustQt3DOffscreen::onFrameRendered(Qt3DRender::QRenderCaptureReply*, VkImage_T**) (this=0x555556675430, capture=0x555556716f60, image=0x555556427a30)
    at ../src/openxr/stardustqt3doffscreen.cpp:56
#1  0x000055555556cf52 in StardustQt3DOffscreen::onRightEyeFrameRendered() (this=0x555556675430) at ../src/openxr/stardustqt3doffscreen.cpp:105
#2  0x000055555556da58 in QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, void (StardustQt3DOffscreen::*)()>::call(void (StardustQt3DOffscreen::*)(), StardustQt3DOffscreen*, void**)
    (f=(void (StardustQt3DOffscreen::*)(StardustQt3DOffscreen * const)) 0x55555556cf20 <StardustQt3DOffscreen::onRightEyeFrameRendered()>, o=0x555556675430, arg=0x7fffffffd680)
    at ../../../Qt/5.13.0/gcc_64/include/QtCore/qobjectdefs_impl.h:152
#3  0x000055555556d924 in QtPrivate::FunctionPointer<void (StardustQt3DOffscreen::*)()>::call<QtPrivate::List<>, void>(void (StardustQt3DOffscreen::*)(), StardustQt3DOffscreen*, void**)
    (f=(void (StardustQt3DOffscreen::*)(StardustQt3DOffscreen * const)) 0x55555556cf20 <StardustQt3DOffscreen::onRightEyeFrameRendered()>, o=0x555556675430, arg=0x7fffffffd680)
    at ../../../Qt/5.13.0/gcc_64/include/QtCore/qobjectdefs_impl.h:185
#4  0x000055555556d849 in QtPrivate::QSlotObject<void (StardustQt3DOffscreen::*)(), QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase*, QObject*, void**, bool*)
    (which=1, this_=0x55555670df60, r=0x555556675430, a=0x7fffffffd680, ret=0x0) at ../../../Qt/5.13.0/gcc_64/include/QtCore/qobjectdefs_impl.h:414
#5  0x00007ffff4f5ef16 in QMetaObject::activate(QObject*, int, int, void**) () at /home/nova/Qt/5.13.0/gcc_64/lib/libQt5Core.so.5
#6  0x00007ffff7499373 in Qt3DRender::QRenderCapture::sceneChangeEvent(QSharedPointer<Qt3DCore::QSceneChange> const&) () at /home/nova/Qt/5.13.0/gcc_64/lib/libQt53DRender.so.5
#7  0x00007ffff4f5fb61 in QObject::event(QEvent*) () at /home/nova/Qt/5.13.0/gcc_64/lib/libQt5Core.so.5
#8  0x00007ffff4f31ea8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /home/nova/Qt/5.13.0/gcc_64/lib/libQt5Core.so.5
#9  0x00007ffff4f35437 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /home/nova/Qt/5.13.0/gcc_64/lib/libQt5Core.so.5
#10 0x00007ffff4f8ab53 in postEventSourceDispatch(_GSource*, int (*)(void*), void*) () at /home/nova/Qt/5.13.0/gcc_64/lib/libQt5Core.so.5
#11 0x00007ffff0ce29ee in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007ffff0ce2c88 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007ffff0ce2d1c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007ffff4f8a18f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /home/nova/Qt/5.13.0/gcc_64/lib/libQt5Core.so.5
#15 0x00007ffff4f30902 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /home/nova/Qt/5.13.0/gcc_64/lib/libQt5Core.so.5
#16 0x00007ffff4f39260 in QCoreApplication::exec() () at /home/nova/Qt/5.13.0/gcc_64/lib/libQt5Core.so.5
#17 0x0000555555577d6b in main(int, char**) (argc=1, argv=0x7fffffffdcc8) at ../src/main.cpp:94