qtdoc dice example debug assertion failure

Open the dice example from qtdoc: qtdoc/examples/demos/dice. Click and drag the mouse around until the debug assertion hits.

ASSERT: "n <= size() - pos" in file /home/jonas/Code/qt-dev/qtbase/src/corelib/tools/qvarlengtharray.h, line 62 /home/jonas/Code/qt-dev/qtbase/src/corelib/tools/qvarlengtharray.h: 62

Stack trace:

{{
1 ?? 0x7ffff10a8e44
2 raise 0x7ffff1050a30
3 abort 0x7ffff10384c3
4 qAbort qassert.cpp 46 0x7ffff16fbdf2
5 qt_message_fatal<QString&> qlogging.cpp 2116 0x7ffff1712793
6 qt_message(QtMsgType, const QMessageLogContext &, const char *, typedef __va_list_tag __va_list_tag *) qlogging.cpp 382 0x7ffff170b5fa
7 QMessageLogger::fatal qlogging.cpp 884 0x7ffff170d72c
8 qt_assert qassert.cpp 105 0x7ffff16fbe56
9 QVLABaseBase::verify qvarlengtharray.h 62 0x7ffff71acba8
10 QVLABase<QSSGRenderCamera *>::operator[] qvarlengtharray.h 156 0x7ffff71acba8
11 QQuick3DSceneRenderer::getRayFromViewportPos qquick3dscenerenderer.cpp 1093 0x7ffff71a5b41
12 QQuick3DViewport::getPickResults qquick3dviewport.cpp 1923 0x7ffff71dae09
13 QQuick3DViewport::internalPick qquick3dviewport.cpp 1804 0x7ffff71da1c9
14 QQuick3DViewport::event qquick3dviewport.cpp 673 0x7ffff71d4c3e
15 QCoreApplicationPrivate::notify_helper qcoreapplication.cpp 1326 0x7ffff17f0852
16 doNotify qcoreapplication.cpp 1253 0x7ffff17f03b8
17 QCoreApplication::notify qcoreapplication.cpp 1236 0x7ffff17f02ec
18 QGuiApplication::notify qguiapplication.cpp 2042 0x7ffff36258ad
19 QCoreApplication::notifyInternal2 qcoreapplication.cpp 1152 0x7ffff17f01b8
20 QCoreApplication::sendEvent qcoreapplication.cpp 1596 0x7ffff17f0f81
21 QQuickDeliveryAgentPrivate::sendHoverEvent qquickdeliveryagent.cpp 1073 0x7ffff5d9cc97
22 QQuickDeliveryAgentPrivate::deliverHoverEventToItem qquickdeliveryagent.cpp 1251 0x7ffff5d9d7af
23 QQuickDeliveryAgentPrivate::deliverHoverEventRecursive qquickdeliveryagent.cpp 1209 0x7ffff5d9d1e1
24 QQuickDeliveryAgentPrivate::deliverHoverEventRecursive qquickdeliveryagent.cpp 1196 0x7ffff5d9d177
25 QQuickDeliveryAgentPrivate::deliverHoverEventRecursive qquickdeliveryagent.cpp 1196 0x7ffff5d9d177
26 QQuickDeliveryAgentPrivate::deliverHoverEventRecursive qquickdeliveryagent.cpp 1196 0x7ffff5d9d177
27 QQuickDeliveryAgentPrivate::deliverHoverEvent qquickdeliveryagent.cpp 1114 0x7ffff5d9cdc3
28 QQuickDeliveryAgentPrivate::handleMouseEvent qquickdeliveryagent.cpp 1770 0x7ffff5da10b9
29 QQuickDeliveryAgent::event qquickdeliveryagent.cpp 812 0x7ffff5d9b616
30 QQuickWindow::event qquickwindow.cpp 1535 0x7ffff5ba69f2
31 QQuickWindowQmlImpl::event qquickwindowmodule.cpp 141 0x7ffff5bc9c76
32 QCoreApplicationPrivate::notify_helper qcoreapplication.cpp 1326 0x7ffff17f0852
33 doNotify qcoreapplication.cpp 1253 0x7ffff17f03b8
34 QCoreApplication::notify qcoreapplication.cpp 1236 0x7ffff17f02ec
35 QGuiApplication::notify qguiapplication.cpp 2042 0x7ffff36258ad
36 QCoreApplication::notifyInternal2 qcoreapplication.cpp 1152 0x7ffff17f01b8
37 QCoreApplication::sendSpontaneousEvent qcoreapplication.cpp 1610 0x7ffff17f1011
38 QGuiApplicationPrivate::processMouseEvent qguiapplication.cpp 2392 0x7ffff3626de6
39 QGuiApplicationPrivate::processWindowSystemEvent qguiapplication.cpp 2119 0x7ffff3625e5c
40 QWindowSystemInterface::sendWindowSystemEvents qwindowsysteminterface.cpp 1114 0x7ffff36f7d1e
41 userEventSourceDispatch qeventdispatcher_glib.cpp 38 0x7ffff3e6f03f
42 ?? 0x7ffff210ea89
43 ?? 0x7ffff21709b7
44 g_main_context_iteration 0x7ffff210df95
45 QEventDispatcherGlib::processEvents qeventdispatcher_glib.cpp 395 0x7ffff1cbd09e
46 QPAEventDispatcherGlib::processEvents qeventdispatcher_glib.cpp 87 0x7ffff3e6f2d4
47 QEventLoop::processEvents qeventloop.cpp 100 0x7ffff18093e0
48 QEventLoop::exec qeventloop.cpp 191 0x7ffff1809bf5
49 QCoreApplication::exec qcoreapplication.cpp 1497 0x7ffff17f0bf6
50 QGuiApplication::exec qguiapplication.cpp 1974 0x7ffff36256a8
51 main main.cpp 22 0x555555559bc8
}}