https://bugs.kde.org/show_bug.cgi?id=459443

            Bug ID: 459443
           Summary: KDE unusable, crashes almost on every login
    Classification: Plasma
           Product: plasmashell
           Version: 5.25.5
          Platform: Compiled Sources
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: j...@ristioja.ee
                CC: k...@davidedmundson.co.uk
  Target Milestone: 1.0

Application: plasmashell (5.25.5)
 (Compiled from sources)
Qt Version: 5.15.5
Frameworks Version: 5.98.0
Operating System: Linux 5.19.9-gentoo x86_64
Windowing System: X11
Distribution: "Gentoo Base System release 2.8"
DrKonqi: 5.25.5 [KCrashBackend]

-- Information about the crash:
People using this shared desktop machine are  F U R I O U S  about KDE crashing
for more than 3 months.

KDE crash handler did not find duplicate.

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  0x00007f2cd8e8e443 in __pthread_kill_internal (signo=6, threadid=<optimized
out>) at pthread_kill.c:78
#8  0x00007f2cd8e41386 in __GI_raise (sig=sig@entry=6) at
../sysdeps/posix/raise.c:26
#9  0x00007f2cd8e2b7f3 in __GI_abort () at abort.c:79
#10 0x00007f2cd94919af in qt_message_fatal (message=<synthetic pointer>...,
context=...) at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/global/qlogging.cpp:1914
#11 QMessageLogger::fatal(char const*, ...) const
(this=this@entry=0x7ffca8ec25a8, msg=msg@entry=0x7f2cd978a968 "ASSERT: \"%s\"
in file %s, line %d") at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/global/qlogging.cpp:893
#12 0x00007f2cd94907b2 in qt_assert(char const*, char const*, int)
(assertion=assertion@entry=0x7f2cd9874278 "from.isValid()",
file=file@entry=0x7f2cd9873d40
"/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/itemmodels/qconcatenatetablesproxymodel.cpp",
line=line@entry=623) at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/global/qglobal.cpp:3358
#13 0x00007f2cd94ad79a 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-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/itemmodels/qconcatenatetablesproxymodel.cpp:623
#14 0x00007f2cd96e5c44 in doActivate<false>(QObject*, int, void**)
(sender=0x5556388f09a0, signal_index=3, argv=0x7ffca8ec2740) at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/kernel/qobject.cpp:3898
#15 0x00007f2cd96df047 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x5556388f09a0, m=m@entry=0x7f2cd99bdcc0
<QAbstractItemModel::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffca8ec2740)
at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/kernel/qobject.cpp:3946
#16 0x00007f2cd965b1b0 in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) (this=this@entry=0x5556388f09a0,
_t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:558
#17 0x00007f2cd9680400 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-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/itemmodels/qidentityproxymodel.cpp:507
#18 0x00007f2cd96e5c44 in doActivate<false>(QObject*, int, void**)
(sender=0x5556388f0b30, signal_index=3, argv=0x7ffca8ec28c0) at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/kernel/qobject.cpp:3898
#19 0x00007f2cd96df047 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x5556388f0b30, m=m@entry=0x7f2cd99bdcc0
<QAbstractItemModel::staticMetaObject>,
local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffca8ec28c0)
at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/kernel/qobject.cpp:3946
#20 0x00007f2cd965b1b0 in QAbstractItemModel::dataChanged(QModelIndex const&,
QModelIndex const&, QVector<int> const&) (this=this@entry=0x5556388f0b30,
_t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:558
#21 0x00007f2ccd999084 in operator() (__closure=<optimized out>) at
/var/tmp/portage/kde-plasma/plasma-workspace-5.25.5-r2/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 0x00007f2cd96e5bfe in QtPrivate::QSlotObjectBase::call(QObject*, void**)
(a=0x7ffca8ec2a60, r=0x5556388f0b30, this=0x555638717070) at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#26 doActivate<false>(QObject*, int, void**) (sender=0x7f2cdafb8440 <(anonymous
namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>,
signal_index=11, argv=0x7ffca8ec2a60) at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/kernel/qobject.cpp:3886
#27 0x00007f2cd96df047 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) (sender=sender@entry=0x7f2cdafb8440 <(anonymous
namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>,
m=m@entry=0x7f2cdafb68e0 <KWindowSystem::staticMetaObject>,
local_signal_index=local_signal_index@entry=8, argv=argv@entry=0x0) at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/kernel/qobject.cpp:3946
#28 0x00007f2cdaf803a7 in KWindowSystem::stackingOrderChanged()
(this=this@entry=0x7f2cdafb8440 <(anonymous
namespace)::Q_QGS_g_kwmInstanceContainer::innerFunction()::holder>) at
/var/tmp/portage/kde-frameworks/kwindowsystem-5.98.0/work/kwindowsystem-5.98.0_build/src/KF5WindowSystem_autogen/EWIEGA46WW/moc_kwindowsystem.cpp:435
#29 0x00007f2cd40d4c68 in
NETEventFilter::nativeEventFilter(xcb_generic_event_t*) (this=0x5556385be980,
ev=0x7f2cd0006d20) at
/var/tmp/portage/kde-frameworks/kwindowsystem-5.98.0/work/kwindowsystem-5.98.0/src/platforms/xcb/kwindowsystem.cpp:275
#30 0x00007f2cd96aac54 in
QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*)
(this=<optimized out>, eventType=..., message=message@entry=0x7f2cd0006d20,
result=result@entry=0x7ffca8ec2b88) at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/kernel/qabstracteventdispatcher.cpp:495
#31 0x00007f2cd51f7b25 in QXcbConnection::handleXcbEvent(xcb_generic_event_t*)
(this=this@entry=0x555637fa4d00, event=event@entry=0x7f2cd0006d20) at
/var/tmp/portage/dev-qt/qtgui-5.15.5-r2/work/qtbase-everywhere-src-5.15.5/src/plugins/platforms/xcb/qxcbconnection.cpp:536
#32 0x00007f2cd51f88c6 in
QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x555637fa4d00, flags=...) at
/var/tmp/portage/dev-qt/qtgui-5.15.5-r2/work/qtbase-everywhere-src-5.15.5/src/plugins/platforms/xcb/qxcbconnection.cpp:1022
#33 0x00007f2cd52203d7 in xcbSourceDispatch(GSource*, GSourceFunc, gpointer)
(source=<optimized out>) at
/var/tmp/portage/dev-qt/qtgui-5.15.5-r2/work/qtbase-everywhere-src-5.15.5/src/plugins/platforms/xcb/qxcbeventdispatcher.cpp:103
#34 0x00007f2cd7b2066b in g_main_dispatch (context=0x7f2cd0005010) at
../glib-2.72.3/glib/gmain.c:3417
#35 g_main_context_dispatch (context=0x7f2cd0005010) at
../glib-2.72.3/glib/gmain.c:4135
#36 0x00007f2cd7b20918 in g_main_context_iterate
(context=context@entry=0x7f2cd0005010, block=block@entry=1,
dispatch=dispatch@entry=1, self=<optimized out>) at
../glib-2.72.3/glib/gmain.c:4211
#37 0x00007f2cd7b209e3 in g_main_context_iteration (context=0x7f2cd0005010,
may_block=1) at ../glib-2.72.3/glib/gmain.c:4276
#38 0x00007f2cd97064da in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x555638061730, flags=...) at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/src/corelib/kernel/qeventdispatcher_glib.cpp:423
#39 0x00007f2cd96ac4eb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffca8ec2e10, flags=..., flags@entry=...) at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/include/QtCore/../../src/corelib/global/qflags.h:69
#40 0x00007f2cd96b5514 in QCoreApplication::exec() () at
/var/tmp/portage/dev-qt/qtcore-5.15.5-r3/work/qtbase-everywhere-src-5.15.5/include/QtCore/../../src/corelib/global/qflags.h:121
#41 0x00007f2cd9b30be0 in QGuiApplication::exec() () at
/var/tmp/portage/dev-qt/qtgui-5.15.5-r2/work/qtbase-everywhere-src-5.15.5/src/gui/kernel/qguiapplication.cpp:1867
#42 0x00007f2cda36c619 in QApplication::exec() () at
/var/tmp/portage/dev-qt/qtwidgets-5.15.5-r1/work/qtbase-everywhere-src-5.15.5/src/widgets/kernel/qapplication.cpp:2829
#43 0x00005556371f206f in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at
/var/tmp/portage/kde-plasma/plasma-workspace-5.25.5-r2/work/plasma-workspace-5.25.5/shell/main.cpp:243
[Inferior 1 (process 2562) detached]

Reported using DrKonqi

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