Application: plasmashell (5.25.5)
 (Compiled from sources)
Qt Version: 5.15.7
Frameworks Version: 5.99.0
Operating System: Linux 5.15.80-gentoo-x86_64 x86_64
Windowing System: X11
Distribution: "Gentoo Linux"
DrKonqi: 5.25.5 [KCrashBackend]

-- Information about the crash:
One of two accounts not used for years, can't log into without crashing and than I have a blck screen but Alt+M (Runner works) nothing more to see.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Aborted
Content of s_kcrashErrorMessage: std::unique_ptr<char []> = {get() = 0x0}
[KCrash Handler]
#6  __pthread_kill_implementation (threadid=<optimized out>, signo=signo@entry=6, no_tid=no_tid@entry=0) at pthread_kill.c:44
#7  0x00007f2e67c6155f in __pthread_kill_internal (signo=6, threadid=<optimized out>) at pthread_kill.c:78
#8  0x00007f2e67c15882 in __GI_raise (sig=sig@entry=6) at ../sysdeps/posix/raise.c:26
#9  0x00007f2e67c00471 in __GI_abort () at abort.c:79
#10 0x00007f2e6804e813 in qt_message_fatal (message=<synthetic pointer>..., context=...) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/global/qlogging.cpp:1914
#11 QMessageLogger::fatal(char const*, ...) const (this=this@entry=0x7fff8e17fc78, msg=msg@entry=0x7f2e68336968 "ASSERT: \"%s\" in file %s, line %d") at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/global/qlogging.cpp:893
#12 0x00007f2e6804d72c in qt_assert(char const*, char const*, int) (assertion=assertion@entry=0x7f2e68420650 "from.isValid()", file=file@entry=0x7f2e68420120 "/var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/itemmodels/qconcatenatetablesproxymodel.cpp", line=line@entry=623) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/global/qglobal.cpp:3366
#13 0x00007f2e68068b9e in QConcatenateTablesProxyModelPrivate::_q_slotDataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=<optimized out>, from=<optimized out>, to=<optimized out>, roles=<optimized out>) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/itemmodels/qconcatenatetablesproxymodel.cpp:623
#14 0x00007f2e682955d4 in doActivate<false>(QObject*, int, void**) (sender=0x556f9df46a10, signal_index=3, argv=0x7fff8e17fe10) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/kernel/qobject.cpp:3931
#15 0x00007f2e6828eaf7 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x556f9df46a10, m=m@entry=0x7f2e685696c0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff8e17fe10) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/kernel/qobject.cpp:3979
#16 0x00007f2e6820d71c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=this@entry=0x556f9df46a10, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:558
#17 0x00007f2e68231b5c in QIdentityProxyModelPrivate::_q_sourceDataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=<optimized out>, topLeft=..., bottomRight=<optimized out>, roles=...) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/itemmodels/qidentityproxymodel.cpp:507
#18 0x00007f2e682955d4 in doActivate<false>(QObject*, int, void**) (sender=0x556f9df46ba0, signal_index=3, argv=0x7fff8e17ff90) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/kernel/qobject.cpp:3931
#19 0x00007f2e6828eaf7 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x556f9df46ba0, m=m@entry=0x7f2e685696c0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fff8e17ff90) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/kernel/qobject.cpp:3979
#20 0x00007f2e6820d71c in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=this@entry=0x556f9df46ba0, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:558
#21 0x00007f2e5d4b8e33 in operator() (__closure=<optimized out>) at /var/tmp/portage/kde-plasma/plasma-workspace-5.25.5-r5/work/plasma-workspace-5.25.5/libtaskmanager/xwindowtasksmodel.cpp:193
#22 QtPrivate::FunctorCall<QtPrivate::IndexesList<>, QtPrivate::List<>, void, TaskManager::XWindowTasksModel::Private::init()::<lambda()> >::call (arg=<optimized out>, f=<optimized out>) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:146
#23 QtPrivate::Functor<TaskManager::XWindowTasksModel::Private::init()::<lambda()>, 0>::call<QtPrivate::List<>, void> (arg=<optimized out>, f=<optimized out>) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:256
#24 QtPrivate::QFunctorSlotObject<TaskManager::XWindowTasksModel::Private::init()::<lambda()>, 0, QtPrivate::List<>, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=<optimized out>, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:443
#25 0x00007f2e6829558f in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7fff8e180130, r=0x556f9df46ba0, this=0x556f9e13a380) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#26 doActivate<false>(QObject*, int, void**) (sender=0x7f2e68d74c80 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, signal_index=11, argv=0x7fff8e180130) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/kernel/qobject.cpp:3919
#27 0x00007f2e6828eaf7 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x7f2e68d74c80 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>, m=m@entry=0x7f2e68d73140 <KWindowSystem::staticMetaObject>, local_signal_index=local_signal_index@entry=8, argv=argv@entry=0x0) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/kernel/qobject.cpp:3979
#28 0x00007f2e68d3d333 in KWindowSystem::stackingOrderChanged() (this=this@entry=0x7f2e68d74c80 <(anonymous namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>) at /var/tmp/portage/kde-frameworks/kwindowsystem-5.99.0-r1/work/kwindowsystem-5.99.0_build/src/KF5WindowSystem_autogen/EWIEGA46WW/moc_kwindowsystem.cpp:435
#29 0x00007f2e5e7c4c08 in NETEventFilter::nativeEventFilter(xcb_generic_event_t*) (this=0x556f9e1213d0, ev=0x7f2e5000a510) at /var/tmp/portage/kde-frameworks/kwindowsystem-5.99.0-r1/work/kwindowsystem-5.99.0/src/platforms/xcb/kwindowsystem.cpp:275
#30 0x00007f2e6825b56c in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) (this=<optimized out>, eventType=..., message=message@entry=0x7f2e5000a510, result=result@entry=0x7fff8e180258) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/kernel/qabstracteventdispatcher.cpp:495
#31 0x00007f2e606f8da1 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) (this=this@entry=0x556f9da10d90, event=event@entry=0x7f2e5000a510) at /var/tmp/portage/dev-qt/qtgui-5.15.7/work/qtbase-everywhere-src-5.15.7/src/plugins/platforms/xcb/qxcbconnection.cpp:579
#32 0x00007f2e606fa4c6 in QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x556f9da10d90, flags=...) at /var/tmp/portage/dev-qt/qtgui-5.15.7/work/qtbase-everywhere-src-5.15.7/src/plugins/platforms/xcb/qxcbconnection.cpp:1065
#33 0x00007f2e60720ad3 in xcbSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at /var/tmp/portage/dev-qt/qtgui-5.15.7/work/qtbase-everywhere-src-5.15.7/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:103
#34 0x00007f2e663707ec in g_main_dispatch (context=0x7f2e58005010) at ../glib-2.74.3/glib/gmain.c:3444
#35 g_main_context_dispatch (context=0x7f2e58005010) at ../glib-2.74.3/glib/gmain.c:4162
#36 0x00007f2e66370a98 in g_main_context_iterate (context=context@entry=0x7f2e58005010, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at ../glib-2.74.3/glib/gmain.c:4238
#37 0x00007f2e66370b4f in g_main_context_iteration (context=0x7f2e58005010, may_block=1) at ../glib-2.74.3/glib/gmain.c:4303
#38 0x00007f2e682b56e8 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x556f9dac7ee0, flags=...) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#39 0x00007f2e6825cd3b in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fff8e1804e0, flags=..., flags@entry=...) at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/include/QtCore/../../src/corelib/global/qflags.h:69
#40 0x00007f2e68265a30 in QCoreApplication::exec() () at /var/tmp/portage/dev-qt/qtcore-5.15.7/work/qtbase-everywhere-src-5.15.7/include/QtCore/../../src/corelib/global/qflags.h:121
#41 0x00007f2e6868509c in QGuiApplication::exec() () at /var/tmp/portage/dev-qt/qtgui-5.15.7/work/qtbase-everywhere-src-5.15.7/src/gui/kernel/qguiapplication.cpp:1870
#42 0x00007f2e68ed86f5 in QApplication::exec() () at /var/tmp/portage/dev-qt/qtwidgets-5.15.7/work/qtbase-everywhere-src-5.15.7/src/widgets/kernel/qapplication.cpp:2829
#43 0x0000556f9c4b479e in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at /var/tmp/portage/kde-plasma/plasma-workspace-5.25.5-r5/work/plasma-workspace-5.25.5/shell/main.cpp:243
[Inferior 1 (process 4546) detached]

Reported using DrKonqi