https://bugs.kde.org/show_bug.cgi?id=513852
Bug ID: 513852
Summary: Crash when switching tabs in system monitor widget
panel after changing display style
Classification: Plasma
Product: plasmashell
Version First 6.5.4
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: crash
Priority: NOR
Component: System Monitor widgets
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected]
Target Milestone: 1.0
SUMMARY
When configuring a system monitor widget, the display style can be changed in
the first tab. But after doing so, switching to any other tabs in the panel can
cause a crash. It does not happen every time the tab is switched but seems to
happen pretty consistently if you rapidly switch between tabs. The crash does
not occur if you don't change display styles.
STEPS TO REPRODUCE
1. Create or have a system monitor widget in the task bar
2. Right click on the widget > Configure System Monitor Sensor...
3. In the "Appearance" tab, change "Display Style" to something else
4. Apply change
5. Rapidly switch between the other tabs, this should cause the crash
OBSERVED RESULT
Plasmashell crashes
EXPECTED RESULT
No crash
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.5.4
KDE Frameworks Version: 6.21.0
Qt Version: 6.10.1
Kernel Version: 6.18.1-arch1-2 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 3700X 8-Core Processor
Memory: 32 GiB of RAM (31.2 GiB usable)
Graphics Processor: NVIDIA GeForce RTX 2070 SUPER
ADDITIONAL INFORMATION
Backtrace (apologies, I followed the guide and attached GDB which should have
debuginfo but it doesn't seem to have resolved symbols)
#0 0x00007f1af3abfef6 in ?? () from /usr/lib/libQt6Qml.so.6
#1 0x00007f1af3b9193c in
QV4::ExecutableCompilationUnit::markObjects(QV4::MarkStack*) const () from
/usr/lib/libQt6Qml.so.6
#2 0x00007f1af3b7467f in QV4::ExecutionEngine::markObjects(QV4::MarkStack*) ()
from /usr/lib/libQt6Qml.so.6
#3 0x00007f1af3c5a49e in ?? () from /usr/lib/libQt6Qml.so.6
#4 0x00007f1af3c56dc2 in QV4::GCStateMachine::transition() () from
/usr/lib/libQt6Qml.so.6
#5 0x00007f1af3c58e1e in ?? () from /usr/lib/libQt6Qml.so.6
#6 0x00007f1af3c5bbdc in QV4::MemoryManager::allocData(unsigned long) () from
/usr/lib/libQt6Qml.so.6
#7 0x00007f1af3dcc116 in QV4::QQmlTypeWrapper::create(QV4::ExecutionEngine*,
QObject*, QQmlType const&, QV4::Heap::QQmlTypeWrapper::TypeNameMode) () from
/usr/lib/libQt6Qml.so.6
#8 0x00007f1af3c7b027 in
QQmlPrivate::AOTCompiledContext::initLoadAttachedLookup(unsigned int, unsigned
int, QObject*) const () from /usr/lib/libQt6Qml.so.6
#9 0x00007f1ac56868c5 in ?? () from /usr/lib/libKirigamiLayouts.so.6
#10 0x00007f1af3c47791 in ?? () from /usr/lib/libQt6Qml.so.6
#11 0x00007f1af3c4f0e6 in ?? () from /usr/lib/libQt6Qml.so.6
#12 0x00007f1af3b9c72b in QV4::Function::call(QObject*, void**, QMetaType
const*, int, QV4::ExecutionContext*) () from /usr/lib/libQt6Qml.so.6
#13 0x00007f1af3cf30f0 in QQmlJavaScriptExpression::evaluate(void**, QMetaType
const*, int) () from /usr/lib/libQt6Qml.so.6
#14 0x00007f1af3c84d16 in
QQmlBinding::doUpdate(QQmlJavaScriptExpression::DeleteWatcher const&,
QFlags<QQmlPropertyData::WriteFlag>, QV4::Scope&) () from
/usr/lib/libQt6Qml.so.6
#15 0x00007f1af3c8392d in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () from
/usr/lib/libQt6Qml.so.6
#16 0x00007f1af3d2b5d8 in
QQmlObjectCreator::finalize(QQmlInstantiationInterrupt&) () from
/usr/lib/libQt6Qml.so.6
#17 0x00007f1af3c9cc45 in QQmlComponentPrivate::complete(QQmlEnginePrivate*,
QQmlComponentPrivate::ConstructionState*) () from /usr/lib/libQt6Qml.so.6
#18 0x00007f1af3c9fa8c in QQmlComponentPrivate::completeCreate() () from
/usr/lib/libQt6Qml.so.6
#19 0x00007f1af3ca11e5 in QQmlComponentPrivate::createWithProperties(QObject*,
QMap<QString, QVariant> const&, QQmlContext*,
QQmlComponentPrivate::CreateBehavior, bool) () from /usr/lib/libQt6Qml.so.6
#20 0x00007f1af3ca5ba6 in QQmlComponent::createObject(QObject*, QMap<QString,
QVariant> const&) () from /usr/lib/libQt6Qml.so.6
#21 0x00007f1af3cac327 in ?? () from /usr/lib/libQt6Qml.so.6
#22 0x00007f1af3cac637 in QQmlComponent::qt_metacall(QMetaObject::Call, int,
void**) () from /usr/lib/libQt6Qml.so.6
#23 0x00007f1af3d36883 in ?? () from /usr/lib/libQt6Qml.so.6
#24 0x00007f1af3be7051 in QV4::QObjectMethod::callPrecise(QQmlObjectOrGadget
const&, QQmlPropertyData const&, QV4::ExecutionEngine*, QV4::CallData*,
QMetaObject::Call) () from /usr/lib/libQt6Qml.so.6
#25 0x00007f1af3bf0ecd in QV4::QObjectMethod::callInternal(QV4::Value const*,
QV4::Value const*, int) const () from /usr/lib/libQt6Qml.so.6
#26 0x00007f1af3c4b90e in ?? () from /usr/lib/libQt6Qml.so.6
#27 0x00007f1af3c4f446 in ?? () from /usr/lib/libQt6Qml.so.6
#28 0x00007f1af3ba4336 in ?? () from /usr/lib/libQt6Qml.so.6
#29 0x00007f1af3ba4916 in ?? () from /usr/lib/libQt6Qml.so.6
#30 0x00007f1af3c757ac in ?? () from /usr/lib/libQt6Qml.so.6
#31 0x00007f1af3c75c8f in
QQmlPrivate::AOTCompiledContext::callQmlContextPropertyLookup(unsigned int,
void**, int) const () from /usr/lib/libQt6Qml.so.6
#32 0x00007f1ac567f27b in ?? () from /usr/lib/libKirigamiLayouts.so.6
#33 0x00007f1af3c47791 in ?? () from /usr/lib/libQt6Qml.so.6
#34 0x00007f1af3c4f0e6 in ?? () from /usr/lib/libQt6Qml.so.6
#35 0x00007f1af3b9c72b in QV4::Function::call(QObject*, void**, QMetaType
const*, int, QV4::ExecutionContext*) () from /usr/lib/libQt6Qml.so.6
#36 0x00007f1af3cf30f0 in QQmlJavaScriptExpression::evaluate(void**, QMetaType
const*, int) () from /usr/lib/libQt6Qml.so.6
#37 0x00007f1af3c8a04b in QQmlBoundSignalExpression::evaluate(void**) () from
/usr/lib/libQt6Qml.so.6
#38 0x00007f1af3c8f56d in ?? () from /usr/lib/libQt6Qml.so.6
#39 0x00007f1af3d1cad8 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () from /usr/lib/libQt6Qml.so.6
#40 0x00007f1af27d6fc2 in ?? () from /usr/lib/libQt6Core.so.6
#41 0x00007f1af3de0133 in QQmlVMEMetaObject::metaCall(QObject*,
QMetaObject::Call, int, void**) () from /usr/lib/libQt6Qml.so.6
#42 0x00007f1af3c6a2a6 in ?? () from /usr/lib/libQt6Qml.so.6
#43 0x00007f1af3c8944d in ?? () from /usr/lib/libQt6Qml.so.6
--Type <RET> for more, q to quit, c to continue without paging--c
#44 0x00007f1af3c84fc2 in
QQmlBinding::doUpdate(QQmlJavaScriptExpression::DeleteWatcher const&,
QFlags<QQmlPropertyData::WriteFlag>, QV4::Scope&) () from
/usr/lib/libQt6Qml.so.6
#45 0x00007f1af3c8392d in
QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () from
/usr/lib/libQt6Qml.so.6
#46 0x00007f1af3bdd5ff in
QV4::QObjectWrapper::getProperty(QV4::ExecutionEngine*, QV4::Heap::Object*,
QObject*, QQmlPropertyData const*, QFlags<QV4::QObjectWrapper::Flag>) () from
/usr/lib/libQt6Qml.so.6
#47 0x00007f1af3be24e2 in
QV4::QObjectWrapper::virtualResolveLookupGetter(QV4::Object const*,
QV4::ExecutionEngine*, QV4::Lookup*) () from /usr/lib/libQt6Qml.so.6
#48 0x00007f1af3c4c39b in ?? () from /usr/lib/libQt6Qml.so.6
#49 0x00007f1af3c4f446 in ?? () from /usr/lib/libQt6Qml.so.6
#50 0x00007f1af3ba4336 in ?? () from /usr/lib/libQt6Qml.so.6
#51 0x00007f1af3ba4916 in ?? () from /usr/lib/libQt6Qml.so.6
#52 0x00007f1af3c757ac in ?? () from /usr/lib/libQt6Qml.so.6
#53 0x00007f1af3c75c8f in
QQmlPrivate::AOTCompiledContext::callQmlContextPropertyLookup(unsigned int,
void**, int) const () from /usr/lib/libQt6Qml.so.6
#54 0x00007f1ac567eebb in ?? () from /usr/lib/libKirigamiLayouts.so.6
#55 0x00007f1af3c47791 in ?? () from /usr/lib/libQt6Qml.so.6
#56 0x00007f1af3c4f0e6 in ?? () from /usr/lib/libQt6Qml.so.6
#57 0x00007f1af3b9c72b in QV4::Function::call(QObject*, void**, QMetaType
const*, int, QV4::ExecutionContext*) () from /usr/lib/libQt6Qml.so.6
#58 0x00007f1af3cf30f0 in QQmlJavaScriptExpression::evaluate(void**, QMetaType
const*, int) () from /usr/lib/libQt6Qml.so.6
#59 0x00007f1af3c8a04b in QQmlBoundSignalExpression::evaluate(void**) () from
/usr/lib/libQt6Qml.so.6
#60 0x00007f1af3c8f56d in ?? () from /usr/lib/libQt6Qml.so.6
#61 0x00007f1af3d1cad8 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () from /usr/lib/libQt6Qml.so.6
#62 0x00007f1af27d6fc2 in ?? () from /usr/lib/libQt6Core.so.6
#63 0x00007f1af41725a4 in QQuickItem::setParentItem(QQuickItem*) () from
/usr/lib/libQt6Quick.so.6
#64 0x00007f1af3d24841 in
QQmlObjectCreator::setPropertyBinding(QQmlPropertyData const*,
QV4::CompiledData::Binding const*) () from /usr/lib/libQt6Qml.so.6
#65 0x00007f1af3d2572e in
QQmlObjectCreator::setupBindings(QFlags<QQmlObjectCreator::BindingMode>) ()
from /usr/lib/libQt6Qml.so.6
#66 0x00007f1af3d2cf68 in QQmlObjectCreator::populateInstance(int, QObject*,
QObject*, QQmlPropertyData const*, QV4::CompiledData::Binding const*) () from
/usr/lib/libQt6Qml.so.6
#67 0x00007f1af3d2f7a2 in QQmlObjectCreator::createInstance(int, QObject*,
bool) () from /usr/lib/libQt6Qml.so.6
#68 0x00007f1af3d21e52 in
QQmlObjectCreator::setPropertyBinding(QQmlPropertyData const*,
QV4::CompiledData::Binding const*) () from /usr/lib/libQt6Qml.so.6
#69 0x00007f1af3d2572e in
QQmlObjectCreator::setupBindings(QFlags<QQmlObjectCreator::BindingMode>) ()
from /usr/lib/libQt6Qml.so.6
#70 0x00007f1af3d2cf68 in QQmlObjectCreator::populateInstance(int, QObject*,
QObject*, QQmlPropertyData const*, QV4::CompiledData::Binding const*) () from
/usr/lib/libQt6Qml.so.6
#71 0x00007f1af3d2f7a2 in QQmlObjectCreator::createInstance(int, QObject*,
bool) () from /usr/lib/libQt6Qml.so.6
#72 0x00007f1af3d399dc in ?? () from /usr/lib/libQt6Qml.so.6
#73 0x00007f1af3ca0900 in
QQmlComponentPrivate::beginCreate(QQmlRefPointer<QQmlContextData>) () from
/usr/lib/libQt6Qml.so.6
#74 0x00007f1af3ca1090 in QQmlComponentPrivate::doBeginCreate(QQmlComponent*,
QQmlContext*) () from /usr/lib/libQt6Qml.so.6
#75 0x00007f1af3ca1162 in QQmlComponentPrivate::createWithProperties(QObject*,
QMap<QString, QVariant> const&, QQmlContext*,
QQmlComponentPrivate::CreateBehavior, bool) () from /usr/lib/libQt6Qml.so.6
#76 0x00007f1af3ca5ba6 in QQmlComponent::createObject(QObject*, QMap<QString,
QVariant> const&) () from /usr/lib/libQt6Qml.so.6
#77 0x00007f1af3cac327 in ?? () from /usr/lib/libQt6Qml.so.6
#78 0x00007f1af3cac637 in QQmlComponent::qt_metacall(QMetaObject::Call, int,
void**) () from /usr/lib/libQt6Qml.so.6
#79 0x00007f1af3d36883 in ?? () from /usr/lib/libQt6Qml.so.6
#80 0x00007f1af3be7051 in QV4::QObjectMethod::callPrecise(QQmlObjectOrGadget
const&, QQmlPropertyData const&, QV4::ExecutionEngine*, QV4::CallData*,
QMetaObject::Call) () from /usr/lib/libQt6Qml.so.6
#81 0x00007f1af3bf0ecd in QV4::QObjectMethod::callInternal(QV4::Value const*,
QV4::Value const*, int) const () from /usr/lib/libQt6Qml.so.6
#82 0x00007f1af3c0e6bd in
QV4::Runtime::CallPropertyLookup::call(QV4::ExecutionEngine*, QV4::Value
const&, unsigned int, QV4::Value*, int) () from /usr/lib/libQt6Qml.so.6
#83 0x00007f1a7d4b8179 in ?? ()
#84 0x00007fff7307a010 in ?? ()
#85 0x000056367d174320 in ?? ()
#86 0x0000000000000000 in ?? ()
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