Bug 434843

Application: plasmashell (5.20.5)

Qt Version: 5.15.2
Frameworks Version: 5.79.0
Operating System: Linux 5.11.7-200.fc33.x86_64 x86_64
Windowing system: X11
Distribution: "Fedora release 33 (Thirty Three)"

-- Information about the crash:
- What I was doing when the application crashed:
Just want to pin an application to taskbar, clicked-right on the app from the app launcher to see available options but instead, I got task bar closed

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f833df872d4 in g_str_hash () from /lib64/libglib-2.0.so.0
#5  0x00007f833df9260e in g_hash_table_add () from /lib64/libglib-2.0.so.0
#6  0x00007f8300269181 in as_cache_insert () from /lib64/libappstream.so.4
#7  0x00007f830027a67e in as_pool_insert () from /lib64/libappstream.so.4
#8  0x00007f830027aaf9 in as_pool_add_component_internal () from /lib64/libappstream.so.4
#9  0x00007f830027b625 in as_pool_load_collection_data.lto_priv () from /lib64/libappstream.so.4
#10 0x00007f830027c7f4 in as_pool_load () from /lib64/libappstream.so.4
#11 0x00007f830033358d in AppStream::Pool::load() () from /lib64/libAppStreamQt.so.2
#12 0x00007f830042dd5b in Kicker::appstreamActions(QExplicitlySharedDataPointer<KService> const&) () from /usr/lib64/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#13 0x00007f830044c5f7 in RunnerMatchesModel::data(QModelIndex const&, int) const () from /usr/lib64/qt5/qml/org/kde/plasma/private/kicker/libkickerplugin.so
#14 0x00007f833ed48acd in QQmlDMAbstractItemModelData::value(int) const () from /lib64/libQt5QmlModels.so.5
#15 0x00007f833ed42f54 in QQmlDMCachedModelData::metaCall(QMetaObject::Call, int, void**) () from /lib64/libQt5QmlModels.so.5
#16 0x00007f8340eee9a6 in loadProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData const&) () from /lib64/libQt5Qml.so.5
#17 0x00007f8340ef010d in QV4::QObjectWrapper::virtualResolveLookupGetter(QV4::Object const*, QV4::ExecutionEngine*, QV4::Lookup*) () from /lib64/libQt5Qml.so.5
#18 0x00007f8340f09595 in QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) () from /lib64/libQt5Qml.so.5
#19 0x00007f8340f0f775 in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) [clone .part.0] () from /lib64/libQt5Qml.so.5
#20 0x00007f8340eae7bd in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib64/libQt5Qml.so.5
#21 0x00007f8341009e71 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib64/libQt5Qml.so.5
#22 0x00007f8340fc6011 in QQmlBoundSignalExpression::evaluate(void**) () from /lib64/libQt5Qml.so.5
#23 0x00007f8340fc7a63 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**) () from /lib64/libQt5Qml.so.5
#24 0x00007f8340feac0d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib64/libQt5Qml.so.5
#25 0x00007f833fabd2f2 in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5
#26 0x00007f8340fab76e in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () from /lib64/libQt5Qml.so.5
#27 0x00007f8340feacf5 in QQmlObjectOrGadget::metacall(QMetaObject::Call, int, void**) const () from /lib64/libQt5Qml.so.5
#28 0x00007f8340ef3149 in CallPrecise(QQmlObjectOrGadget const&, QQmlPropertyData const&, QV4::ExecutionEngine*, QV4::CallData*, QMetaObject::Call) () from /lib64/libQt5Qml.so.5
#29 0x00007f8340ef43f7 in QV4::QObjectMethod::callInternal(QV4::Value const*, QV4::Value const*, int) const () from /lib64/libQt5Qml.so.5
#30 0x00007f8340f1ec46 in QV4::Runtime::CallQmlContextPropertyLookup::call(QV4::ExecutionEngine*, unsigned int, QV4::Value*, int) () from /lib64/libQt5Qml.so.5
#31 0x00007f8340f09d37 in QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) () from /lib64/libQt5Qml.so.5
#32 0x00007f8340f0f775 in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) [clone .part.0] () from /lib64/libQt5Qml.so.5
#33 0x00007f8340eb9d48 in QV4::ArrowFunction::virtualCall(QV4::FunctionObject const*, QV4::Value const*, QV4::Value const*, int) () from /lib64/libQt5Qml.so.5
#34 0x00007f8340f099dd in QV4::Moth::VME::interpret(QV4::CppStackFrame*, QV4::ExecutionEngine*, char const*) () from /lib64/libQt5Qml.so.5
#35 0x00007f8340f0f775 in QV4::Moth::VME::exec(QV4::CppStackFrame*, QV4::ExecutionEngine*) [clone .part.0] () from /lib64/libQt5Qml.so.5
#36 0x00007f8340eae7bd in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /lib64/libQt5Qml.so.5
#37 0x00007f8341009e71 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /lib64/libQt5Qml.so.5
#38 0x00007f8340fc6011 in QQmlBoundSignalExpression::evaluate(void**) () from /lib64/libQt5Qml.so.5
#39 0x00007f8340fc7a63 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*, void**) () from /lib64/libQt5Qml.so.5
#40 0x00007f8340feac0d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () from /lib64/libQt5Qml.so.5
#41 0x00007f833fabd2f2 in void doActivate<false>(QObject*, int, void**) () from /lib64/libQt5Core.so.5
#42 0x00007f834155eb96 in QQuickMouseArea::pressed(QQuickMouseEvent*) () from /lib64/libQt5Quick.so.5
#43 0x00007f8341564e3b in QQuickMouseArea::setPressed(Qt::MouseButton, bool, Qt::MouseEventSource) () from /lib64/libQt5Quick.so.5
#44 0x00007f8341565bfd in QQuickMouseArea::mousePressEvent(QMouseEvent*) () from /lib64/libQt5Quick.so.5
#45 0x00007f83414fa80c in QQuickItem::event(QEvent*) () from /lib64/libQt5Quick.so.5
#46 0x00007f8340704ec3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#47 0x00007f833fa8dbd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#48 0x00007f8341515691 in QQuickWindowPrivate::deliverMatchingPointsToItem(QQuickItem*, QQuickPointerEvent*, bool) () from /lib64/libQt5Quick.so.5
#49 0x00007f8341517f7b in QQuickWindowPrivate::deliverPressOrReleaseEvent(QQuickPointerEvent*, bool) () from /lib64/libQt5Quick.so.5
#50 0x00007f834150ea2d in QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () from /lib64/libQt5Quick.so.5
#51 0x00007f834150eee3 in QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () from /lib64/libQt5Quick.so.5
#52 0x00007f833fed47b5 in QWindow::event(QEvent*) () from /lib64/libQt5Gui.so.5
#53 0x00007f8340704ec3 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /lib64/libQt5Widgets.so.5
#54 0x00007f833fa8dbd8 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /lib64/libQt5Core.so.5
#55 0x00007f833fec9143 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () from /lib64/libQt5Gui.so.5
#56 0x00007f833feaa8cc in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Gui.so.5
#57 0x00007f832dd1047e in xcbSourceDispatch(_GSource*, int (*)(void*), void*) () from /lib64/libQt5XcbQpa.so.5
#58 0x00007f833dfa3a9f in g_main_context_dispatch () from /lib64/libglib-2.0.so.0
#59 0x00007f833dff5a98 in g_main_context_iterate.constprop () from /lib64/libglib-2.0.so.0
#60 0x00007f833dfa0e73 in g_main_context_iteration () from /lib64/libglib-2.0.so.0
#61 0x00007f833fada6f3 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#62 0x00007f833fa8c57b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /lib64/libQt5Core.so.5
#63 0x00007f833fa941b4 in QCoreApplication::exec() () from /lib64/libQt5Core.so.5
#64 0x0000561c75e497ca in main ()
[Inferior 1 (process 2671) detached]

Reported using DrKonqi