Bug 430467

Application: plasmashell (5.20.4)

Qt Version: 5.15.2
Frameworks Version: 5.76.0
Operating System: Linux 5.9.14-1-default x86_64
Windowing system: X11
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:when i was installing Calendar Widget, the plasma has been crashed

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

[KCrash Handler]
#4  std::__atomic_base<QThread*>::load(std::memory_order) const (__m=std::memory_order_acquire, this=0xe9) at /usr/include/c++/10/bits/atomic_base.h:741
#5  std::atomic<QThread*>::load(std::memory_order) const (__m=std::memory_order_acquire, this=0xe9) at /usr/include/c++/10/atomic:523
#6  QAtomicOps<QThread*>::loadAcquire<QThread*>(std::atomic<QThread*> const&) (_q_value=...) at ../../include/QtCore/../../src/corelib/thread/qatomic_cxx11.h:251
#7  QBasicAtomicPointer<QThread>::loadAcquire() const (this=0xe9) at ../../include/QtCore/../../src/corelib/thread/qbasicatomic.h:255
#8  QObject::thread() const (this=this@entry=0x55a20798acf0) at kernel/qobject.cpp:1487
#9  0x00007f7349d3cfeb in QObject::killTimer(int) (this=this@entry=0x55a20798acf0, id=131072688) at kernel/qobject.cpp:1795
#10 0x00007f7349d479f9 in QTimer::stop() (this=this@entry=0x55a20798acf0) at kernel/qtimer.cpp:243
#11 0x00007f7349d47a6f in QTimer::start() (this=0x55a20798acf0) at kernel/qtimer.cpp:211
#12 0x00007f7349d43866 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffeebd5d180, r=0x55a2090bb760, this=0x55a2092356f0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#13 doActivate<false>(QObject*, int, void**) (sender=0x55a2090a9380, signal_index=9, argv=argv@entry=0x7ffeebd5d180) at kernel/qobject.cpp:3886
#14 0x00007f7349d3cbc0 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7f72a9fe22a0 <KNSCore::Engine::staticMetaObject>, local_signal_index=local_signal_index@entry=6, argv=argv@entry=0x7ffeebd5d180) at kernel/qobject.cpp:3946
#15 0x00007f72a9f86d95 in KNSCore::Engine::signalEntryChanged(KNSCore::EntryInternal const&) (this=<optimized out>, _t1=<optimized out>) at /usr/src/debug/knewstuff-5.76.0-1.1.x86_64/build/src/core/KF5NewStuffCore_autogen/EWIEGA46WW/moc_engine.cpp:578
#16 0x00007f72a9f98384 in KNSCore::Engine::install(KNSCore::EntryInternal, int) (this=0x55a2090a9380, entry=..., linkId=1) at /usr/src/debug/knewstuff-5.76.0-1.1.x86_64/src/core/engine.cpp:553
#17 0x00007f72aa026a9d in KNS3::ItemsViewBaseDelegate::slotInstallClicked() (this=0x55a2090aef70) at /usr/src/debug/knewstuff-5.76.0-1.1.x86_64/src/ui/itemsviewbasedelegate.cpp:72
#18 0x00007f7349d43866 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffeebd5d400, r=0x55a2090aef70, this=0x55a203df4fe0) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#19 doActivate<false>(QObject*, int, void**) (sender=0x55a20662f120, signal_index=9, argv=argv@entry=0x7ffeebd5d400) at kernel/qobject.cpp:3886
#20 0x00007f7349d3cbc0 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x55a20662f120, m=m@entry=0x7f734af9f4e0 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffeebd5d400) at kernel/qobject.cpp:3946
#21 0x00007f734ab903e2 in QAbstractButton::clicked(bool) (this=this@entry=0x55a20662f120, _t1=<optimized out>) at .moc/moc_qabstractbutton.cpp:308
#22 0x00007f734ab90d4a in QAbstractButtonPrivate::emitClicked() (this=this@entry=0x55a20908e890) at widgets/qabstractbutton.cpp:415
#23 0x00007f734ab9269f in QAbstractButtonPrivate::click() (this=this@entry=0x55a20908e890) at widgets/qabstractbutton.cpp:408
#24 0x00007f734ab92871 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) (this=0x55a20662f120, e=0x7ffeebd5d9e0) at widgets/qabstractbutton.cpp:1044
#25 0x00007f734ac81f2a in QToolButton::mouseReleaseEvent(QMouseEvent*) (this=<optimized out>, e=<optimized out>) at widgets/qtoolbutton.cpp:622
#26 0x00007f734aae335e in QWidget::event(QEvent*) (this=0x55a20662f120, event=0x7ffeebd5d9e0) at kernel/qwidget.cpp:9019
#27 0x00007f734aaa350f in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x55a2034c0660, receiver=receiver@entry=0x55a20662f120, e=e@entry=0x7ffeebd5d9e0) at kernel/qapplication.cpp:3632
#28 0x00007f734aaaa3fb in QApplication::notify(QObject*, QEvent*) (this=0x7ffeebd5d6e0, receiver=0x55a20662f120, e=0x7ffeebd5d9e0) at kernel/qapplication.cpp:3076
#29 0x00007f7349d0d28a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55a20662f120, event=0x7ffeebd5d9e0) at kernel/qcoreapplication.cpp:1063
#30 0x00007f734aaa9426 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) (receiver=receiver@entry=0x55a20662f120, event=event@entry=0x7ffeebd5d9e0, alienWidget=alienWidget@entry=0x55a20662f120, nativeWidget=0x55a20697b820, buttonDown=buttonDown@entry=0x7f734afd1670 <qt_button_down>, lastMouseReceiver=..., spontaneous=true, onlyDispatchEnterLeave=false) at kernel/qapplication.cpp:2614
#31 0x00007f734aafb3c1 in QWidgetWindow::handleMouseEvent(QMouseEvent*) (this=0x55a209233b00, event=0x7ffeebd5dca0) at kernel/qwidgetwindow.cpp:683
#32 0x00007f734aafe8ce in QWidgetWindow::event(QEvent*) (this=0x55a209233b00, event=0x7ffeebd5dca0) at kernel/qwidgetwindow.cpp:300
#33 0x00007f734aaa350f in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=<optimized out>, receiver=0x55a209233b00, e=0x7ffeebd5dca0) at kernel/qapplication.cpp:3632
#34 0x00007f7349d0d28a in QCoreApplication::notifyInternal2(QObject*, QEvent*) (receiver=0x55a209233b00, event=0x7ffeebd5dca0) at kernel/qcoreapplication.cpp:1063
#35 0x00007f734a180b73 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) (e=0x55a2085a0f30) at kernel/qguiapplication.cpp:2282
#36 0x00007f734a156c5c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) (flags=flags@entry=...) at kernel/qwindowsysteminterface.cpp:1169
#37 0x00007f734595dfaa in xcbSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at qxcbeventdispatcher.cpp:105
#38 0x00007f73480a2cf7 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#39 0x00007f73480a3078 in  () at /usr/lib64/libglib-2.0.so.0
#40 0x00007f73480a312f in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#41 0x00007f7349d647df in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55a203592e10, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#42 0x00007f7349d0bc4b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffeebd5dfd0, flags=..., flags@entry=...) at ../../include/QtCore/../../src/corelib/global/qflags.h:69
#43 0x00007f7349d13ec0 in QCoreApplication::exec() () at ../../include/QtCore/../../src/corelib/global/qflags.h:121
#44 0x00007f734a1741bc in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1867
#45 0x00007f734aaa3485 in QApplication::exec() () at kernel/qapplication.cpp:2824
#46 0x000055a2020c4082 in main(int, char**) (argc=<optimized out>, argv=0x7ffeebd5e1f0) at /usr/src/debug/plasma5-workspace-5.20.4-1.1.x86_64/shell/main.cpp:252
[Inferior 1 (process 3071) detached]

Possible duplicates by query: bug 416435, bug 411662.

Reported using DrKonqi