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  1. Qt
  2. QTBUG-102729

Crash in QQmlBinding::evaluate()

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    Details

    • Commits:
      3fb46f78cf (qt/qtdeclarative/dev) 3fb46f78cf (qt/tqtc-qtdeclarative/dev) 2fd1388366 (qt/qtdeclarative/6.3) 2fd1388366 (qt/tqtc-qtdeclarative/6.3) aebec92445 (qt/tqtc-qtdeclarative/6.2)

      Description

      While analyzing users crash reports I found that there are crashes in QQmlBinding::evaluate().

      It seems that under some circumstances qmlEngine can be null here.

      Call stack:

      >	Qt6Qml.dll!QQmlBinding::evaluate() Line 636	C++
       	Qt6Quick.dll!QQuickStateGroupPrivate::updateAutoState() Line 386	C++
       	Qt6Quick.dll!QQuickStateGroup::componentComplete() Line 350	C++
       	Qt6Quick.dll!QQuickItem::componentComplete() Line 5099	C++
       	Qt6Quick.dll!QQuickLoader::componentComplete() Line 807	C++
       	Qt6Qml.dll!QQmlObjectCreator::finalize(QQmlInstantiationInterrupt & interrupt) Line 1487	C++
       	Qt6Qml.dll!QQmlIncubatorPrivate::incubate(QQmlInstantiationInterrupt & i) Line 364	C++
       	Qt6Qml.dll!QQmlIncubationController::incubateFor(int msecs) Line 409	C++
       	Qt6Core.dll!doActivate<0>(QObject * sender, int signal_index, void * * argv) Line 3929	C++
       	Qt6Core.dll!QMetaObject::activate(QObject * sender, const QMetaObject * m, int local_signal_index, void * * argv) Line 3973	C++
       	Qt6Quick.dll!QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window * w, bool inExpose) Line 1584	C++
       	Qt6Quick.dll!QSGThreadedRenderLoop::handleUpdateRequest(QQuickWindow * window) Line 1363	C++
       	Qt6Quick.dll!QQuickWindow::event(QEvent * e) Line 1543	C++
       	Qt6Widgets.dll!QApplicationPrivate::notify_helper(QObject * receiver, QEvent * e) Line 3411	C++
       	Qt6Widgets.dll!QApplication::notify(QObject * receiver, QEvent * e) Line 3363	C++
       	Qt6Core.dll!QCoreApplication::notifyInternal2(QObject * receiver, QEvent * event) Line 1067	C++
       	Qt6Gui.dll!QPlatformWindow::deliverUpdateRequest() Line 811	C++
       	Qt6Gui.dll!QPlatformWindow::windowEvent(QEvent * event) Line 491	C++
       	Qt6Widgets.dll!QApplication::notify(QObject * receiver, QEvent * e) Line 2667	C++
       	Qt6Core.dll!QCoreApplication::notifyInternal2(QObject * receiver, QEvent * event) Line 1067	C++
       	Qt6Core.dll!QEventDispatcherWin32Private::sendTimerEvent(int timerId) Line 409	C++
       	Qt6Core.dll!QEventDispatcherWin32::event(QEvent * e) Line 891	C++
      ...
      

        Attachments

        For Gerrit Dashboard: QTBUG-102729
        # Subject Branch Project Status CR V

          Activity

            People

            Assignee:
            qtqmlteam Qt Qml Team User
            Reporter:
            studiosus Vladimir Belyavsky
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              Dates

              Created:
              Updated:
              Resolved:

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