I switched to another desktop (using ctrl-f<n>) and Plasma crashed.

Reproducible: Sometimes




Qt Version: 5.5.1
Operating System: Linux 4.1.13-5-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

Thread 1 (Thread 0x7fac61eba7c0 (LWP 2680)):
[KCrash Handler]
#6  0x00007fac5b351187 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#7  0x00007fac5b352538 in __GI_abort () at abort.c:78
#8  0x00007fac5b759b8d in __gnu_cxx::__verbose_terminate_handler () at ../../../../libstdc++-v3/libsupc++/vterminate.cc:95
#9  0x00007fac5b757bf6 in __cxxabiv1::__terminate (handler=<optimized out>) at ../../../../libstdc++-v3/libsupc++/eh_terminate.cc:47
#10 0x00007fac5b757c41 in std::terminate () at ../../../../libstdc++-v3/libsupc++/eh_terminate.cc:57
#11 0x00007fac5b757ea6 in __cxxabiv1::__cxa_rethrow () at ../../../../libstdc++-v3/libsupc++/eh_throw.cc:125
#12 0x00007fac5bc7da0b in QVector<QAbstractItemModelPrivate::Change>::reallocData (this=this@entry=0x2508990, asize=<optimized out>, aalloc=<optimized out>, options=...) at ../../src/corelib/tools/qvector.h:546
#13 0x00007fac5bc786a8 in resize (asize=<optimized out>, this=0x2508990) at ../../src/corelib/tools/qvector.h:386
#14 pop (this=0x2508990) at ../../src/corelib/tools/qstack.h:58
#15 QAbstractItemModel::endRemoveRows (this=0x25086e0) at itemmodels/qabstractitemmodel.cpp:2671
#16 0x00007fab9b3da01c in itemRemoved (item=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-workspace-5.4.3/libtaskmanager/tasksmodel.cpp:484
#17 TaskManager::TasksModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7fff9c1bd180) at /usr/src/debug/plasma-workspace-5.4.3/build/libtaskmanager/moc_tasksmodel.cpp:211
#18 0x00007fac5bcfbcc6 in QMetaObject::activate (sender=0x2b98410, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fff9c1bd180) at kernel/qobject.cpp:3713
#19 0x00007fac5bcfc2e7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fab9b5fc7e0 <TaskManager::TaskGroup::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fff9c1bd180) at kernel/qobject.cpp:3578
#20 0x00007fab9b3cb732 in TaskManager::TaskGroup::itemRemoved (this=<optimized out>, _t1=0x75d03d0) at /usr/src/debug/plasma-workspace-5.4.3/build/libtaskmanager/moc_taskgroup.cpp:419
#21 0x00007fab9b3cbfa3 in TaskManager::TaskGroup::Private::signalRemovals (this=0x3f1f4a0) at /usr/src/debug/plasma-workspace-5.4.3/libtaskmanager/taskgroup.cpp:271
#22 0x00007fab9b3cdc11 in TaskManager::TaskGroup::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/plasma-workspace-5.4.3/build/libtaskmanager/moc_taskgroup.cpp:214
#23 0x00007fac5bcfcac6 in QObject::event (this=0x2b98410, e=<optimized out>) at kernel/qobject.cpp:1239
#24 0x00007fac5d044e7c in QApplicationPrivate::notify_helper (this=this@entry=0x14442c0, receiver=receiver@entry=0x2b98410, e=e@entry=0xf464fb0) at kernel/qapplication.cpp:3716
#25 0x00007fac5d049cc8 in QApplication::notify (this=0x7fff9c1bd970, receiver=0x2b98410, e=0xf464fb0) at kernel/qapplication.cpp:3499
#26 0x00007fac5bccbe95 in QCoreApplication::notifyInternal (this=0x7fff9c1bd970, receiver=0x2b98410, event=event@entry=0xf464fb0) at kernel/qcoreapplication.cpp:965
#27 0x00007fac5bcce057 in sendEvent (event=0xf464fb0, receiver=<optimized out>) at kernel/qcoreapplication.h:224
#28 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1439ac0) at kernel/qcoreapplication.cpp:1593
#29 0x00007fac5bcce608 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#30 0x00007fac5bd238f3 in postEventSourceDispatch (s=0x14396e0) at kernel/qeventdispatcher_glib.cpp:271
#31 0x00007fac57adac84 in g_main_dispatch (context=0x7fac440016f0) at gmain.c:3122
#32 g_main_context_dispatch (context=context@entry=0x7fac440016f0) at gmain.c:3737
#33 0x00007fac57adaed8 in g_main_context_iterate (context=context@entry=0x7fac440016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
#34 0x00007fac57adaf7c in g_main_context_iteration (context=0x7fac440016f0, may_block=1) at gmain.c:3869
#35 0x00007fac5bd22d6c in QEventDispatcherGlib::processEvents (this=0x14ac880, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#36 0x00007fac5bcc9d53 in QEventLoop::exec (this=this@entry=0x7fff9c1bd7e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#37 0x00007fac5bcd18f6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#38 0x000000000043467b in main ()
Thread 1 (Thread 0x7fac61eba7c0 (LWP 2680)):
[KCrash Handler]
#6  0x00007fac5b351187 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#7  0x00007fac5b352538 in __GI_abort () at abort.c:78
#8  0x00007fac5b759b8d in __gnu_cxx::__verbose_terminate_handler () at ../../../../libstdc++-v3/libsupc++/vterminate.cc:95
#9  0x00007fac5b757bf6 in __cxxabiv1::__terminate (handler=<optimized out>) at ../../../../libstdc++-v3/libsupc++/eh_terminate.cc:47
#10 0x00007fac5b757c41 in std::terminate () at ../../../../libstdc++-v3/libsupc++/eh_terminate.cc:57
#11 0x00007fac5b757ea6 in __cxxabiv1::__cxa_rethrow () at ../../../../libstdc++-v3/libsupc++/eh_throw.cc:125
#12 0x00007fac5bc7da0b in QVector<QAbstractItemModelPrivate::Change>::reallocData (this=this@entry=0x2508990, asize=<optimized out>, aalloc=<optimized out>, options=...) at ../../src/corelib/tools/qvector.h:546
#13 0x00007fac5bc786a8 in resize (asize=<optimized out>, this=0x2508990) at ../../src/corelib/tools/qvector.h:386
#14 pop (this=0x2508990) at ../../src/corelib/tools/qstack.h:58
#15 QAbstractItemModel::endRemoveRows (this=0x25086e0) at itemmodels/qabstractitemmodel.cpp:2671
#16 0x00007fab9b3da01c in itemRemoved (item=<optimized out>, this=<optimized out>) at /usr/src/debug/plasma-workspace-5.4.3/libtaskmanager/tasksmodel.cpp:484
#17 TaskManager::TasksModel::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=0x7fff9c1bd180) at /usr/src/debug/plasma-workspace-5.4.3/build/libtaskmanager/moc_tasksmodel.cpp:211
#18 0x00007fac5bcfbcc6 in QMetaObject::activate (sender=0x2b98410, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fff9c1bd180) at kernel/qobject.cpp:3713
#19 0x00007fac5bcfc2e7 in QMetaObject::activate (sender=<optimized out>, m=m@entry=0x7fab9b5fc7e0 <TaskManager::TaskGroup::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7fff9c1bd180) at kernel/qobject.cpp:3578
#20 0x00007fab9b3cb732 in TaskManager::TaskGroup::itemRemoved (this=<optimized out>, _t1=0x75d03d0) at /usr/src/debug/plasma-workspace-5.4.3/build/libtaskmanager/moc_taskgroup.cpp:419
#21 0x00007fab9b3cbfa3 in TaskManager::TaskGroup::Private::signalRemovals (this=0x3f1f4a0) at /usr/src/debug/plasma-workspace-5.4.3/libtaskmanager/taskgroup.cpp:271
#22 0x00007fab9b3cdc11 in TaskManager::TaskGroup::qt_static_metacall (_o=<optimized out>, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>) at /usr/src/debug/plasma-workspace-5.4.3/build/libtaskmanager/moc_taskgroup.cpp:214
#23 0x00007fac5bcfcac6 in QObject::event (this=0x2b98410, e=<optimized out>) at kernel/qobject.cpp:1239
#24 0x00007fac5d044e7c in QApplicationPrivate::notify_helper (this=this@entry=0x14442c0, receiver=receiver@entry=0x2b98410, e=e@entry=0xf464fb0) at kernel/qapplication.cpp:3716
#25 0x00007fac5d049cc8 in QApplication::notify (this=0x7fff9c1bd970, receiver=0x2b98410, e=0xf464fb0) at kernel/qapplication.cpp:3499
#26 0x00007fac5bccbe95 in QCoreApplication::notifyInternal (this=0x7fff9c1bd970, receiver=0x2b98410, event=event@entry=0xf464fb0) at kernel/qcoreapplication.cpp:965
#27 0x00007fac5bcce057 in sendEvent (event=0xf464fb0, receiver=<optimized out>) at kernel/qcoreapplication.h:224
#28 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1439ac0) at kernel/qcoreapplication.cpp:1593
#29 0x00007fac5bcce608 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#30 0x00007fac5bd238f3 in postEventSourceDispatch (s=0x14396e0) at kernel/qeventdispatcher_glib.cpp:271
#31 0x00007fac57adac84 in g_main_dispatch (context=0x7fac440016f0) at gmain.c:3122
#32 g_main_context_dispatch (context=context@entry=0x7fac440016f0) at gmain.c:3737
#33 0x00007fac57adaed8 in g_main_context_iterate (context=context@entry=0x7fac440016f0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
#34 0x00007fac57adaf7c in g_main_context_iteration (context=0x7fac440016f0, may_block=1) at gmain.c:3869
#35 0x00007fac5bd22d6c in QEventDispatcherGlib::processEvents (this=0x14ac880, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#36 0x00007fac5bcc9d53 in QEventLoop::exec (this=this@entry=0x7fff9c1bd7e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#37 0x00007fac5bcd18f6 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#38 0x000000000043467b in main ()