Bug 363095

Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.4.0-22-generic x86_64
Distribution: Ubuntu 16.04 LTS

-- Information about the crash:
Kubuntu 16.04 upgraded from 15.10.

I was trying to connect to my home WiFi, I enetered the password in the Network Manager Plasmoid and clicked "Connect".
I got asked again for the exact same password in a pup-up dialog (so I guess the Network Manager Plasmoid don't actuall accept the password)
Then I got the crash.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f058bff98c0 (LWP 7708))]

Thread 8 (Thread 0x7f057731b700 (LWP 7711)):
#0  0x00007f058670ee8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f058a7d3c62 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007f058a7d58d7 in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007f0579469629 in QXcbEventReader::run (this=0x247f8c0) at qxcbconnection.cpp:1253
#4  0x00007f0586e0484e in QThreadPrivate::start (arg=0x247f8c0) at thread/qthread_unix.cpp:331
#5  0x00007f0585ef16fa in start_thread (arg=0x7f057731b700) at pthread_create.c:333
#6  0x00007f058671ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 7 (Thread 0x7f0574b0d700 (LWP 7713)):
#0  0x00007f05834e8a49 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f05834a3787 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f05834a424b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f05834a442c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f058703ba9b in QEventDispatcherGlib::processEvents (this=0x7f05680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f0586fe2dea in QEventLoop::exec (this=this@entry=0x7f0574b0cce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f0586dff8a4 in QThread::exec (this=this@entry=0x255d130) at thread/qthread.cpp:503
#7  0x00007f05896a73c5 in QQmlThreadPrivate::run (this=0x255d130) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f0586e0484e in QThreadPrivate::start (arg=0x255d130) at thread/qthread_unix.cpp:331
#9  0x00007f0585ef16fa in start_thread (arg=0x7f0574b0d700) at pthread_create.c:333
#10 0x00007f058671ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 6 (Thread 0x7f056555a700 (LWP 7715)):
#0  0x00007f05834e8a49 in g_mutex_lock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f05834a3ea6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f05834a4380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f05834a442c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f058703ba9b in QEventDispatcherGlib::processEvents (this=0x7f05600008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007f0586fe2dea in QEventLoop::exec (this=this@entry=0x7f0565559ce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007f0586dff8a4 in QThread::exec (this=this@entry=0x2864410) at thread/qthread.cpp:503
#7  0x00007f05896a73c5 in QQmlThreadPrivate::run (this=0x2864410) at qml/ftw/qqmlthread.cpp:141
#8  0x00007f0586e0484e in QThreadPrivate::start (arg=0x2864410) at thread/qthread_unix.cpp:331
#9  0x00007f0585ef16fa in start_thread (arg=0x7f056555a700) at pthread_create.c:333
#10 0x00007f058671ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 5 (Thread 0x7f055f60c700 (LWP 7716)):
#0  0x00007f058670ee8d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007f05834a431c in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f05834a442c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f058703ba9b in QEventDispatcherGlib::processEvents (this=0x7f05580008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f0586fe2dea in QEventLoop::exec (this=this@entry=0x7f055f60bce0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f0586dff8a4 in QThread::exec (this=this@entry=0x297f310) at thread/qthread.cpp:503
#6  0x00007f05896a73c5 in QQmlThreadPrivate::run (this=0x297f310) at qml/ftw/qqmlthread.cpp:141
#7  0x00007f0586e0484e in QThreadPrivate::start (arg=0x297f310) at thread/qthread_unix.cpp:331
#8  0x00007f0585ef16fa in start_thread (arg=0x7f055f60c700) at pthread_create.c:333
#9  0x00007f058671ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7f055dd59700 (LWP 7717)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007f058ba4cbd4 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#2  0x00007f058ba4cc19 in ?? () from /usr/lib/x86_64-linux-gnu/libQt5Script.so.5
#3  0x00007f0585ef16fa in start_thread (arg=0x7f055dd59700) at pthread_create.c:333
#4  0x00007f058671ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7f04d5fd9700 (LWP 7720)):
#0  update_get_addr (ti=0x7f058722f788) at dl-tls.c:810
#1  0x00007f0586e03792 in get_thread_data () at thread/qthread_unix.cpp:181
#2  QThreadData::current (createIfNecessary=createIfNecessary@entry=true) at thread/qthread_unix.cpp:212
#3  0x00007f058703affa in postEventSourcePrepare (s=0x7f04d00012d0, timeout=0x7f04d5fd8ad4) at kernel/qeventdispatcher_glib.cpp:247
#4  0x00007f05834a38ad in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f05834a424b in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007f05834a442c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f058703ba9b in QEventDispatcherGlib::processEvents (this=0x7f04d00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#8  0x00007f0586fe2dea in QEventLoop::exec (this=this@entry=0x7f04d5fd8c90, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#9  0x00007f0586dff8a4 in QThread::exec (this=this@entry=0x2ea32f0) at thread/qthread.cpp:503
#10 0x00007f058a02ded6 in QQuickPixmapReader::run (this=0x2ea32f0) at util/qquickpixmapcache.cpp:817
#11 0x00007f0586e0484e in QThreadPrivate::start (arg=0x2ea32f0) at thread/qthread_unix.cpp:331
#12 0x00007f0585ef16fa in start_thread (arg=0x7f04d5fd9700) at pthread_create.c:333
#13 0x00007f058671ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7f04c48d8700 (LWP 7722)):
#0  0x00007f05834e8a64 in g_mutex_unlock () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#1  0x00007f05834a423e in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f05834a442c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f058703ba9b in QEventDispatcherGlib::processEvents (this=0x7f04c00008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007f0586fe2dea in QEventLoop::exec (this=this@entry=0x7f04c48d7cc0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007f0586dff8a4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007f04c6db87d7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#7  0x00007f0586e0484e in QThreadPrivate::start (arg=0x2b4b120) at thread/qthread_unix.cpp:331
#8  0x00007f0585ef16fa in start_thread (arg=0x7f04c48d8700) at pthread_create.c:333
#9  0x00007f058671ab5d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7f058bff98c0 (LWP 7708)):
[KCrash Handler]
#6  0x00007f05870147f5 in QMetaObject::activate (sender=sender@entry=0x6531050, signal_index=6, argv=argv@entry=0x0) at kernel/qobject.cpp:3759
#7  0x00007f0589477132 in VDMModelDelegateDataType::notify (this=<optimized out>, items=..., index=0, count=21, roles=...) at util/qqmladaptormodel.cpp:171
#8  0x00007f05896e8ada in QQmlAdaptorModel::notify (roles=..., count=21, index=0, items=..., this=0x6b40538) at ../../include/QtQml/5.5.1/QtQml/private/../../../../../src/qml/util/qqmladaptormodel_p.h:118
#9  QQmlDelegateModel::_q_itemsChanged (this=this@entry=0x6e31fb0, index=index@entry=0, count=21, roles=...) at types/qqmldelegatemodel.cpp:1144
#10 0x00007f05896ed6f2 in QQmlDelegateModel::_q_layoutChanged (this=0x6e31fb0, parents=..., hint=<optimized out>) at types/qqmldelegatemodel.cpp:1608
#11 0x00007f05897101af in QQmlDelegateModel::qt_static_metacall (_o=_o@entry=0x6e31fb0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=14, _a=_a@entry=0x7ffccca55440) at .moc/moc_qqmldelegatemodel_p.cpp:205
#12 0x00007f0589710968 in QQmlDelegateModel::qt_metacall (this=0x6e31fb0, _c=QMetaObject::InvokeMetaMethod, _id=14, _a=0x7ffccca55440) at .moc/moc_qqmldelegatemodel_p.cpp:344
#13 0x00007f0587014180 in QMetaObject::activate (sender=sender@entry=0x6622d00, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffccca55440) at kernel/qobject.cpp:3728
#14 0x00007f05870147d7 in QMetaObject::activate (sender=sender@entry=0x6622d00, m=m@entry=0x7f058722dec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffccca55440) at kernel/qobject.cpp:3578
#15 0x00007f05870901e6 in QAbstractItemModel::layoutChanged (this=this@entry=0x6622d00, _t1=..., _t2=_t2@entry=QAbstractItemModel::VerticalSortHint) at .moc/moc_qabstractitemmodel.cpp:562
#16 0x00007f0586fb4dea in QSortFilterProxyModelPrivate::_q_sourceDataChanged (this=<optimized out>, source_top_left=..., source_bottom_right=..., roles=...) at itemmodels/qsortfilterproxymodel.cpp:1207
#17 0x00007f0586fb6898 in QSortFilterProxyModel::qt_static_metacall (_o=_o@entry=0x6622d00, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=5, _a=_a@entry=0x7ffccca55740) at .moc/moc_qsortfilterproxymodel.cpp:202
#18 0x00007f0587013fca in QMetaObject::activate (sender=sender@entry=0x6f1dcd0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffccca55740) at kernel/qobject.cpp:3713
#19 0x00007f05870147d7 in QMetaObject::activate (sender=sender@entry=0x6f1dcd0, m=m@entry=0x7f058722dec0 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffccca55740) at kernel/qobject.cpp:3578
#20 0x00007f05870900fc in QAbstractItemModel::dataChanged (this=this@entry=0x6f1dcd0, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:548
#21 0x00007f04bf5a4fbd in NetworkModel::updateItem (this=this@entry=0x6f1dcd0, item=item@entry=0x74ee3f0) at /build/plasma-nm-0GjglL/plasma-nm-5.5.5/libs/models/networkmodel.cpp:566
#22 0x00007f04bf5aabbf in NetworkModel::addActiveConnection (this=this@entry=0x6f1dcd0, activeConnection=...) at /build/plasma-nm-0GjglL/plasma-nm-5.5.5/libs/models/networkmodel.cpp:294
#23 0x00007f04bf5ab073 in NetworkModel::activeConnectionAdded (this=0x6f1dcd0, activeConnection=...) at /build/plasma-nm-0GjglL/plasma-nm-5.5.5/libs/models/networkmodel.cpp:589
#24 0x00007f0587013e4f in QtPrivate::QSlotObjectBase::call (a=0x7ffccca55a40, r=0x6f1dcd0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#25 QMetaObject::activate (sender=sender@entry=0x7f04bf58d9a0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder>, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffccca55a40) at kernel/qobject.cpp:3698
#26 0x00007f05870147d7 in QMetaObject::activate (sender=sender@entry=0x7f04bf58d9a0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder>, m=m@entry=0x7f04bf58b820 <NetworkManager::Notifier::staticMetaObject>, local_signal_index=local_signal_index@entry=10, argv=argv@entry=0x7ffccca55a40) at kernel/qobject.cpp:3578
#27 0x00007f04bf341755 in NetworkManager::Notifier::activeConnectionAdded (this=this@entry=0x7f04bf58d9a0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder>, _t1=...) at moc_manager.cpp:408
#28 0x00007f04bf2c7073 in NetworkManager::NetworkManagerPrivate::findRegisteredActiveConnection (this=this@entry=0x7f04bf58d9a0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder>, uni=...) at ../../src/manager.cpp:258
#29 0x00007f04bf2c7277 in NetworkManager::NetworkManagerPrivate::activatingConnection (this=<optimized out>) at ../../src/manager.cpp:627
#30 NetworkManager::activatingConnection () at ../../src/manager.cpp:1073
#31 0x00007f04bf7db994 in ConnectionIcon::setIcons (this=0x58d2770) at /build/plasma-nm-0GjglL/plasma-nm-5.5.5/libs/declarative/connectionicon.cpp:302
#32 0x00007f0587013e4f in QtPrivate::QSlotObjectBase::call (a=0x7ffccca55cb0, r=0x58d2770, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#33 QMetaObject::activate (sender=sender@entry=0x7f04bf58d9a0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder>, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=17, argv=argv@entry=0x7ffccca55cb0) at kernel/qobject.cpp:3698
#34 0x00007f05870147d7 in QMetaObject::activate (sender=sender@entry=0x7f04bf58d9a0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder>, m=m@entry=0x7f04bf58b820 <NetworkManager::Notifier::staticMetaObject>, local_signal_index=local_signal_index@entry=17, argv=argv@entry=0x7ffccca55cb0) at kernel/qobject.cpp:3578
#35 0x00007f04bf341905 in NetworkManager::Notifier::activatingConnectionChanged (this=this@entry=0x7f04bf58d9a0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder>, _t1=...) at moc_manager.cpp:454
#36 0x00007f04bf2c8641 in NetworkManager::NetworkManagerPrivate::propertiesChanged (this=0x7f04bf58d9a0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder>, changedProperties=...) at ../../src/manager.cpp:760
#37 0x00007f0587013e4f in QtPrivate::QSlotObjectBase::call (a=0x7ffccca55fc0, r=0x7f04bf58d9a0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder>, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#38 QMetaObject::activate (sender=sender@entry=0x7f04bf58d9c0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder+32>, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffccca55fc0) at kernel/qobject.cpp:3698
#39 0x00007f05870147d7 in QMetaObject::activate (sender=sender@entry=0x7f04bf58d9c0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder+32>, m=m@entry=0x7f04bf58bca0 <OrgFreedesktopNetworkManagerInterface::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffccca55fc0) at kernel/qobject.cpp:3578
#40 0x00007f04bf34c900 in OrgFreedesktopNetworkManagerInterface::PropertiesChanged (_t1=..., this=0x7f04bf58d9c0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder+32>) at moc_nm-managerinterface.cpp:440
#41 OrgFreedesktopNetworkManagerInterface::qt_static_metacall (_o=_o@entry=0x7f04bf58d9c0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder+32>, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=3, _a=_a@entry=0x7ffccca56160) at moc_nm-managerinterface.cpp:206
#42 0x00007f04bf3530a0 in OrgFreedesktopNetworkManagerInterface::qt_metacall (this=0x7f04bf58d9c0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder+32>, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7ffccca56160) at moc_nm-managerinterface.cpp:389
#43 0x00007f058c13f913 in QDBusConnectionPrivate::deliverCall (this=0x2cb1a40, object=0x7f04bf58d9c0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder+32>, msg=..., metaTypes=..., slotIdx=9) at qdbusintegrator.cpp:978
#44 0x00007f0587014ea1 in QObject::event (this=0x7f04bf58d9c0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder+32>, e=<optimized out>) at kernel/qobject.cpp:1239
#45 0x00007f0587ae805c in QApplicationPrivate::notify_helper (this=this@entry=0x2468690, receiver=receiver@entry=0x7f04bf58d9c0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder+32>, e=e@entry=0x7261360) at kernel/qapplication.cpp:3716
#46 0x00007f0587aed516 in QApplication::notify (this=0x7ffccca56880, receiver=0x7f04bf58d9c0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder+32>, e=0x7261360) at kernel/qapplication.cpp:3499
#47 0x00007f0586fe562b in QCoreApplication::notifyInternal (this=0x7ffccca56880, receiver=0x7f04bf58d9c0 <(anonymous namespace)::Q_QGS_globalNetworkManager::innerFunction()::holder+32>, event=event@entry=0x7261360) at kernel/qcoreapplication.cpp:965
#48 0x00007f0586fe7a26 in QCoreApplication::sendEvent (event=0x7261360, receiver=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:224
#49 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x245e600) at kernel/qcoreapplication.cpp:1593
#50 0x00007f0586fe7f08 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#51 0x00007f058703b673 in postEventSourceDispatch (s=0x24a5870) at kernel/qeventdispatcher_glib.cpp:271
#52 0x00007f05834a4127 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007f05834a4380 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007f05834a442c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#55 0x00007f058703ba7f in QEventDispatcherGlib::processEvents (this=0x24af1b0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#56 0x00007f0586fe2dea in QEventLoop::exec (this=this@entry=0x7ffccca56720, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#57 0x00007f0586feae8c in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1229
#58 0x00007f058731ec3c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1542
#59 0x00007f0587ae4495 in QApplication::exec () at kernel/qapplication.cpp:2976
#60 0x0000000000432d4a in main (argc=4, argv=<optimized out>) at /build/plasma-workspace-kxRFE_/plasma-workspace-5.5.5.2/shell/main.cpp:181

Possible duplicates by query: bug 362798, bug 362557, bug 362469, bug 362159, bug 362054.

Reported using DrKonqi