Bug 431249

Summary:	'System Settings' crashed after open 'Screen Locking Appearance Configure'.
Product:	[Applications] systemsettings	Reporter:	Adil <qianshangyin631>
Component:	general	Assignee:	Plasma Bugs List <plasma-bugs>
Status:	RESOLVED DUPLICATE
Severity:	crash	CC:	2777159481, nate
Priority:	NOR	Keywords:	drkonqi
Version:	5.20.4
Target Milestone:	---
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed In:
Sentry Crash Report:
Attachments:	New crash information added by DrKonqi

Description Adil 2021-01-07 04:51:34 UTC

Application: systemsettings5 (5.20.4)

Qt Version: 5.15.2
Frameworks Version: 5.77.0
Operating System: Linux 5.10.3-arch1-1 x86_64
Windowing system: X11
Distribution: Arch Linux

-- Information about the crash:
- What I was doing when the application crashed:
I opened the 'System Settings'->'Screen Locking'->'Appearance Configure', changed the background image and then closed it.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f75351f273a in QV4::QObjectWrapper::getQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*, QQmlPropertyData**) () at /usr/lib/libQt5Qml.so.5
#5  0x00007f75351d1a6c in QV4::QQmlContextWrapper::getPropertyAndBase(QV4::QQmlContextWrapper const*, QV4::PropertyKey, QV4::Value const*, bool*, QV4::Value*, QV4::Lookup*) () at /usr/lib/libQt5Qml.so.5
#6  0x00007f75351d2364 in QV4::QQmlContextWrapper::resolveQmlContextPropertyLookupGetter(QV4::Lookup*, QV4::ExecutionEngine*, QV4::Value*) () at /usr/lib/libQt5Qml.so.5
#7  0x00007f753520f6fb in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f753521468f in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f75351aed2e in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () at /usr/lib/libQt5Qml.so.5
#10 0x00007f753532a916 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () at /usr/lib/libQt5Qml.so.5
#11 0x00007f75352dd62d in QQmlBoundSignalExpression::evaluate(void**) () at /usr/lib/libQt5Qml.so.5
#12 0x00007f75352ddb11 in  () at /usr/lib/libQt5Qml.so.5
#13 0x00007f753530e00d in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5
#14 0x00007f75362ca955 in  () at /usr/lib/libQt5Core.so.5
#15 0x00007f75352d8f4a in QQmlContextData::emitDestruction() () at /usr/lib/libQt5Qml.so.5
#16 0x00007f75352d8f71 in QQmlContextData::emitDestruction() () at /usr/lib/libQt5Qml.so.5
#17 0x00007f75352d8f71 in QQmlContextData::emitDestruction() () at /usr/lib/libQt5Qml.so.5
#18 0x00007f75352d8f71 in QQmlContextData::emitDestruction() () at /usr/lib/libQt5Qml.so.5
#19 0x00007f75352d8f71 in QQmlContextData::emitDestruction() () at /usr/lib/libQt5Qml.so.5
#20 0x00007f75352d91aa in QQmlContextData::invalidate() () at /usr/lib/libQt5Qml.so.5
#21 0x00007f75352d8cd8 in QQmlContextData::destroy() () at /usr/lib/libQt5Qml.so.5
#22 0x00007f75352d8eae in QQmlContext::~QQmlContext() () at /usr/lib/libQt5Qml.so.5
#23 0x00007f75352d8eca in QQmlContext::~QQmlContext() () at /usr/lib/libQt5Qml.so.5
#24 0x00007f75362be10e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#25 0x00007f75362c8f75 in QObject::~QObject() () at /usr/lib/libQt5Core.so.5
#26 0x00007f7535a2e09a in KDeclarative::QmlObjectSharedEngine::~QmlObjectSharedEngine() () at /usr/lib/libKF5Declarative.so.5
#27 0x00007f75377616dc in KQuickAddons::ConfigModule::~ConfigModule() () at /usr/lib/libKF5QuickAddons.so.5
#28 0x00007f75156e2876 in  () at /usr/lib/qt/plugins/kcms/kcm_screenlocker.so
#29 0x00007f7537852273 in  () at /usr/lib/libKF5KCMUtils.so.5
#30 0x00007f7537852299 in  () at /usr/lib/libKF5KCMUtils.so.5
#31 0x00007f75378587b4 in KCModuleProxy::deleteClient() () at /usr/lib/libKF5KCMUtils.so.5
#32 0x00007f7537858929 in KCModuleProxy::~KCModuleProxy() () at /usr/lib/libKF5KCMUtils.so.5
#33 0x00007f75378589ea in KCModuleProxy::~KCModuleProxy() () at /usr/lib/libKF5KCMUtils.so.5
#34 0x00007f75362be10e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#35 0x00007f7536e9004e in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#36 0x00007f7536e903ca in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#37 0x00007f75362be10e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#38 0x00007f7536e9004e in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#39 0x00007f7536feda5a in QScrollArea::~QScrollArea() () at /usr/lib/libQt5Widgets.so.5
#40 0x00007f75362be10e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#41 0x00007f7536e9004e in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#42 0x00007f753754837e in  () at /usr/lib/libKF5WidgetsAddons.so.5
#43 0x00007f75362be10e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#44 0x00007f7536e9004e in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#45 0x00007f75375be2da in KPageWidget::~KPageWidget() () at /usr/lib/libKF5WidgetsAddons.so.5
#46 0x00007f75362be10e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#47 0x00007f7536e9004e in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#48 0x00007f753789153a in ModuleView::~ModuleView() () at /usr/lib/libsystemsettingsview.so.3
#49 0x00007f75362be10e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#50 0x00007f7536e9004e in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#51 0x00007f75280e4412 in  () at /usr/lib/qt/plugins/systemsettings_sidebar_mode.so
#52 0x00007f75362be10e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#53 0x00007f7536e9004e in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#54 0x00007f753700466a in QStackedWidget::~QStackedWidget() () at /usr/lib/libQt5Widgets.so.5
#55 0x00007f75362be10e in QObjectPrivate::deleteChildren() () at /usr/lib/libQt5Core.so.5
#56 0x00007f7536e9004e in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#57 0x000055ff2eab12c3 in  ()
#58 0x000055ff2eab1349 in  ()
#59 0x00007f75362c0340 in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#60 0x00007f75377fd5ea in KXmlGuiWindow::event(QEvent*) () at /usr/lib/libKF5XmlGui.so.5
#61 0x00007f7536e53752 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#62 0x00007f7536293a7a in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#63 0x00007f7536296573 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#64 0x00007f75362ed0a4 in  () at /usr/lib/libQt5Core.so.5
#65 0x00007f7533f11a84 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#66 0x00007f7533f659b1 in  () at /usr/lib/libglib-2.0.so.0
#67 0x00007f7533f102b1 in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#68 0x00007f75362ec6e1 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#69 0x00007f75362923fc in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#70 0x00007f753629a894 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#71 0x000055ff2eaad960 in  ()
#72 0x00007f7535c60152 in __libc_start_main () at /usr/lib/libc.so.6
#73 0x000055ff2eaae33e in _start ()
[Inferior 1 (process 7859) detached]

Possible duplicates by query: bug 429983, bug 429786, bug 429412, bug 428461, bug 427444.

Reported using DrKonqi

Comment 1 Nate Graham 2021-01-07 17:51:20 UTC


*** This bug has been marked as a duplicate of bug 426047 ***

Comment 2 Nate Graham 2021-01-14 00:19:40 UTC


*** This bug has been marked as a duplicate of bug 431419 ***

Comment 3 2777159481 2021-01-16 09:32:12 UTC

Created attachment 134919 [details]
New crash information added by DrKonqi

systemsettings5 (5.20.5) using Qt 5.15.2

- What I was doing when the application crashed:
While changing appearance of 'Screen Locking'
1. Go back and choose something else in the left menu, or
2. Close the app by clicking close button on the top.

- Unusual behavior I noticed:

- Custom settings of the application:

-- Backtrace (Reduced):
#4  0x00007efd4d59a73a in QV4::QObjectWrapper::getQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, bool*, QQmlPropertyData**) () from /usr/lib/libQt5Qml.so.5
#5  0x00007efd4d579a6c in QV4::QQmlContextWrapper::getPropertyAndBase(QV4::QQmlContextWrapper const*, QV4::PropertyKey, QV4::Value const*, bool*, QV4::Value*, QV4::Lookup*) () from /usr/lib/libQt5Qml.so.5
#6  0x00007efd4d57a364 in QV4::QQmlContextWrapper::resolveQmlContextPropertyLookupGetter(QV4::Lookup*, QV4::ExecutionEngine*, QV4::Value*) () from /usr/lib/libQt5Qml.so.5
[...]
#9  0x00007efd4d556d2e in QV4::Function::call(QV4::Value const*, QV4::Value const*, int, QV4::ExecutionContext const*) () from /usr/lib/libQt5Qml.so.5
#10 0x00007efd4d6d2916 in QQmlJavaScriptExpression::evaluate(QV4::CallData*, bool*) () from /usr/lib/libQt5Qml.so.5