Bug 422020

Application: plasmashell (5.19.80)

Qt Version: 5.14.2
Frameworks Version: 5.71.0
Operating System: Linux 5.3.0-45-generic x86_64
Windowing system: X11
Distribution: KDE neon Unstable Edition

-- Information about the crash:
- What I was doing when the application crashed:
I closed all windows with middle click on their entries in task manager,
right-clicked on wallpaper and Plasma crashed.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Content of s_kcrashErrorMessage: [Current thread is 1 (Thread 0x7f25d602f800 (LWP 23342))]
[KCrash Handler]
#6  0x00007f25d1af0adf in std::__atomic_base<int>::load(std::memory_order) const (__m=std::memory_order_relaxed, this=0x660066006f0053) at /usr/include/c++/7/bits/atomic_base.h:396
#7  0x00007f25d1af0adf in QAtomicOps<int>::loadRelaxed<int>(std::atomic<int> const&) (_q_value=...) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qatomic_cxx11.h:239
#8  0x00007f25d1af0adf in QBasicAtomicInteger<int>::loadRelaxed() const (this=0x660066006f0053) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qbasicatomic.h:107
#9  0x00007f25d1af0adf in QtPrivate::RefCount::ref() (this=0x660066006f0053) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qrefcount.h:55
#10 0x00007f25d1af0adf in QString::QString(QString const&) (other=..., this=0x7ffe0538f9d0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qstring.h:1051
#11 0x00007f25d1af0adf in (anonymous namespace)::getProcessInfo(QString const&, KProcessList::KProcessInfo&) (procId=..., processInfo=...) at ./src/lib/util/kprocesslist_unix.cpp:91
#12 0x00007f25d1af1be1 in KProcessList::processInfo(long long) (pid=pid@entry=5789) at ./src/lib/util/kprocesslist_unix.cpp:150
#13 0x00007f25b2b64a98 in TaskManager::servicesFromPid(unsigned int, QExplicitlySharedDataPointer<KSharedConfig>) (pid=pid@entry=5789, rulesConfig=...) at ./libtaskmanager/tasktools.cpp:534
#14 0x00007f25b2b65675 in TaskManager::windowUrlFromMetadata(QString const&, unsigned int, QExplicitlySharedDataPointer<KSharedConfig>, QString const&) (appId=..., pid=pid@entry=5789, rulesConfig=..., xWindowsWMClassName=...) at ./libtaskmanager/tasktools.cpp:436
#15 0x00007f25b2b74240 in TaskManager::XWindowTasksModel::Private::windowUrl(unsigned long long) (this=this@entry=0x55f8f02e6dc0, window=<optimized out>) at ./libtaskmanager/xwindowtasksmodel.cpp:543
#16 0x00007f25b2b747bb in TaskManager::XWindowTasksModel::Private::appData(unsigned long long) (this=0x55f8f02e6dc0, window=<optimized out>) at ./libtaskmanager/xwindowtasksmodel.cpp:447
#17 0x00007f25b2b78c77 in TaskManager::XWindowTasksModel::data(QModelIndex const&, int) const (this=0x55f8f02e6c10, index=..., role=<optimized out>) at ./libtaskmanager/xwindowtasksmodel.cpp:694
#18 0x00007f25cffd6bd8 in QAbstractProxyModel::data(QModelIndex const&, int) const (this=<optimized out>, proxyIndex=..., role=293) at itemmodels/qabstractproxymodel.cpp:245
#19 0x00007f25b2b4ad14 in QModelIndex::data(int) const (arole=293, this=0x7ffe053900f0) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qabstractitemmodel.h:460
#20 0x00007f25b2b4ad14 in TaskManager::TaskFilterProxyModel::acceptsRow(int) const (this=0x55f8f02e9300, sourceRow=0) at ./libtaskmanager/taskfilterproxymodel.cpp:251
#21 0x00007f25cffeb1d9 in QSortFilterProxyModelPrivate::_q_sourceDataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=<optimized out>, source_top_left=..., source_bottom_right=..., roles=...) at itemmodels/qsortfilterproxymodel.cpp:1434
#22 0x00007f25cffedbf8 in QSortFilterProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qsortfilterproxymodel.cpp:275
#23 0x00007f25d00584b9 in doActivate<false>(QObject*, int, void**) (sender=0x55f8f02e6a70, signal_index=3, argv=0x7ffe05390420) at kernel/qobject.cpp:3882
#24 0x00007f25d0052f92 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x55f8f02e6a70, m=m@entry=0x7f25d04ea080 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe05390420) at kernel/qobject.cpp:3930
#25 0x00007f25cffb8bbc in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=this@entry=0x55f8f02e6a70, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:557
#26 0x00007f25cffdf611 in QIdentityProxyModelPrivate::_q_sourceDataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=<optimized out>, topLeft=..., bottomRight=..., roles=...) at itemmodels/qidentityproxymodel.cpp:483
#27 0x00007f25cffe12e8 in QIdentityProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at .moc/moc_qidentityproxymodel.cpp:164
#28 0x00007f25d00584b9 in doActivate<false>(QObject*, int, void**) (sender=0x55f8f02e6c10, signal_index=3, argv=0x7ffe05390620) at kernel/qobject.cpp:3882
#29 0x00007f25d0052f92 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7f25d04ea080 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffe05390620) at kernel/qobject.cpp:3930
#30 0x00007f25cffb8bbc in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=<optimized out>, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:557
#31 0x00007f25b2b73846 in TaskManager::XWindowTasksModel::Private::dataChanged(unsigned long long, QVector<int> const&) (this=this@entry=0x55f8f02e6dc0, window=<optimized out>, roles=...) at ./libtaskmanager/xwindowtasksmodel.cpp:422
#32 0x00007f25b2b76292 in TaskManager::XWindowTasksModel::Private::windowChanged(unsigned long long, QFlags<NET::Property>, QFlags<NET::Property2>) (this=0x55f8f02e6dc0, window=<optimized out>, properties=..., properties2=...) at ./libtaskmanager/xwindowtasksmodel.cpp:409
#33 0x00007f25d00586d7 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffe05390860, r=0x55f8f02e6c10, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#34 0x00007f25d00586d7 in doActivate<false>(QObject*, int, void**) (sender=0x55f8f02e86b0, signal_index=5, argv=0x7ffe05390860) at kernel/qobject.cpp:3870
#35 0x00007f25d0052f92 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7f25b2d934c0 <XWindowSystemEventBatcher::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffe05390860) at kernel/qobject.cpp:3930
#36 0x00007f25b2b7b88b in XWindowSystemEventBatcher::windowChanged(unsigned long long, QFlags<NET::Property>, QFlags<NET::Property2>) (this=<optimized out>, _t1=<optimized out>, _t2=..., _t3=...) at ./obj-x86_64-linux-gnu/libtaskmanager/taskmanager_autogen/EWIEGA46WW/moc_xwindowsystemeventbatcher.cpp:176
#37 0x00007f25b2b72671 in XWindowSystemEventBatcher::<lambda(WId, NET::Properties, NET::Properties2)>::operator() (properties2=..., properties=..., window=<optimized out>, __closure=0x55f8f02dddb0) at ./libtaskmanager/xwindowsystemeventbatcher.cpp:63
#40 0x00007f25b2b72671 in QtPrivate::QFunctorSlotObject<XWindowSystemEventBatcher::XWindowSystemEventBatcher(QObject*)::<lambda(WId, NET::Properties, NET::Properties2)>, 3, QtPrivate::List<long long unsigned int, QFlags<NET::Property>, QFlags<NET::Property2> >, void>::impl(int, QtPrivate::QSlotObjectBase *, QObject *, void **, bool *) (which=<optimized out>, this_=0x55f8f02ddda0, r=<optimized out>, a=<optimized out>, ret=<optimized out>) at /usr/include/x86_64-linux-gnu/qt5/QtCore/qobjectdefs_impl.h:443
#41 0x00007f25d00586d7 in QtPrivate::QSlotObjectBase::call(QObject*, void**) (a=0x7ffe05390a10, r=0x55f8f02e86b0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobjectdefs_impl.h:398
#42 0x00007f25d00586d7 in doActivate<false>(QObject*, int, void**) (sender=0x7f25d2676c60, signal_index=12, argv=0x7ffe05390a10) at kernel/qobject.cpp:3870
#43 0x00007f25d24667fb in KWindowSystem::windowChanged(unsigned long long, QFlags<NET::Property>, QFlags<NET::Property2>) () at /usr/lib/x86_64-linux-gnu/libKF5WindowSystem.so.5
#44 0x00007f25b938ac86 in  () at /usr/lib/x86_64-linux-gnu/qt5/plugins/kf5/org.kde.kwindowsystem.platforms/KF5WindowSystemX11Plugin.so
#45 0x00007f25d001a4df in QAbstractEventDispatcher::filterNativeEvent(QByteArray const&, void*, long*) (this=<optimized out>, eventType=..., message=message@entry=0x7f25bc04df50, result=result@entry=0x7ffe05390b28) at kernel/qabstracteventdispatcher.cpp:488
#46 0x00007f25c36cdbac in QXcbConnection::handleXcbEvent(xcb_generic_event_t*) (this=this@entry=0x55f8edc129d0, event=event@entry=0x7f25bc04df50) at qxcbconnection.cpp:550
#47 0x00007f25c36ce6d6 in QXcbConnection::processXcbEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55f8edc129d0, flags=flags@entry=...) at qxcbconnection.cpp:1029
#48 0x00007f25c36f2f93 in xcbSourceDispatch(GSource*, GSourceFunc, gpointer) (source=<optimized out>) at qxcbeventdispatcher.cpp:103
#49 0x00007f25c8fa0417 in g_main_context_dispatch () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#50 0x00007f25c8fa0650 in  () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#51 0x00007f25c8fa06dc in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007f25d007c7ac in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x55f8edc50190, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#53 0x00007f25d001bd2a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffe05390dc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:225
#54 0x00007f25d00254a0 in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1383
#55 0x000055f8ed6280ca in main(int, char**) (argc=<optimized out>, argv=<optimized out>) at ./shell/main.cpp:222

Possible duplicates by query: bug 421499, bug 421398, bug 421204, bug 420566, bug 420495.

Reported using DrKonqi