Details
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Bug
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Resolution: Done
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P1: Critical
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6.4.0
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None
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macOS
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2d381001da (qt/qtbase/dev) 2d381001da (qt/tqtc-qtbase/dev) 9778edbd6b (qt/qtbase/6.4) 9778edbd6b (qt/tqtc-qtbase/6.4)
Description
The attached simplified example adds a QWidget containing a QQuickWidget into a layout dynamically when the "Crash" toolbar button is pressed. Crash occurs in the following stack:
Thread 0 Crashed:: Dispatch queue: com.apple.main-threadThread 0 Crashed:: Dispatch queue: com.apple.main-thread0 QtWidgets 0x1048ae6a4 void QWidgetRepaintManager::markDirty<QRegion>(QRegion const&, QWidget*, QWidgetRepaintManager::UpdateTime, QWidgetRepaintManager::BufferState) + 1108 (qwidgetrepaintmanager.cpp:219)1 QtWidgets 0x1048ae530 void QWidgetRepaintManager::markDirty<QRegion>(QRegion const&, QWidget*, QWidgetRepaintManager::UpdateTime, QWidgetRepaintManager::BufferState) + 736 (qwidgetrepaintmanager.cpp:188)2 QtWidgets 0x1048afe00 void QWidgetPrivate::invalidateBackingStore<QRegion>(QRegion const&) + 336 (qwidgetrepaintmanager.cpp:143)3 QtWidgets 0x1048a0c0c QWidget::raise() + 488 (qwidget.cpp:11731)4 QtWidgets 0x10499067c QDockAreaLayout::updateSeparatorWidgets() const + 116 (qdockarealayout.cpp:3280)5 QtWidgets 0x1049c59e0 QMainWindowLayoutState::apply(bool) + 24 (qmainwindowlayout.cpp:679) [inlined]6 QtWidgets 0x1049c59e0 QMainWindowLayout::applyState(QMainWindowLayoutState&, bool) + 1716 (qmainwindowlayout.cpp:2934)7 QtWidgets 0x1049c52f8 QMainWindowLayout::setGeometry(QRect const&) + 556 (qmainwindowlayout.cpp:2048)8 QtWidgets 0x104884d48 QLayoutPrivate::doResize() + 164 (qlayout.cpp:507)9 QtWidgets 0x1048851bc QLayout::activate() + 756 (qlayout.cpp:1055)10 QtWidgets 0x1048a12c8 QWidgetPrivate::setVisible(bool) + 568 (qwidget.cpp:8238)11 QtWidgets 0x104922260 QFocusFramePrivate::update() + 168 (qfocusframe.cpp:41)12 libqmacstyle.dylib 0x10360ac1c QMacStyle::event(QEvent*) + 57213 QtWidgets 0x104857e50 QApplicationPrivate::notify_helper(QObject*, QEvent*) + 272 (qapplication.cpp:3313)14 QtWidgets 0x104858eb8 QApplication::notify(QObject*, QEvent*) + 512 (qapplication.cpp:3264)15 QtCore 0x105942f90 QCoreApplication::notifyInternal2(QObject*, QEvent*) + 208 (qcoreapplication.cpp:1026)16 QtWidgets 0x104856104 QApplicationPrivate::setFocusWidget(QWidget*, Qt::FocusReason) + 432 (qapplication.cpp:1510)17 QtWidgets 0x10489d630 QWidget::setFocus(Qt::FocusReason) + 604 (qwidget.cpp:6517)18 QtWidgets 0x104856f14 QApplication::setActiveWindow(QWidget*) + 99219 QtWidgets 0x104857314 QApplicationPrivate::notifyActiveWindowChange(QWindow*) + 52 (qapplication.cpp:1895)20 QtGui 0x103d0cfa8 QGuiApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent*) + 620 (qguiapplication.cpp:2487)21 QtGui 0x103d61bc8 bool QWindowSystemHelper<QWindowSystemInterface::SynchronousDelivery>::handleEvent<QWindowSystemInterfacePrivate::ActivatedWindowEvent, QWindow*, Qt::FocusReason>(QWindow*, Qt::FocusReason) + 168 (qwindowsysteminterface.cpp:101)