Bug 361555

Application: plasmashell (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.5.0-3-default x86_64
Distribution: "openSUSE Tumbleweed (20160117) (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:

I opened the Network Manager applet, disconnected and reconnected the WiFi. Upon closing the applet plasma crashed.
It restarted without problems

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb83a45c8c0 (LWP 15765))]

Thread 7 (Thread 0x7fb820f7e700 (LWP 15767)):
#0  0x00007fb8339d543d in poll () at /lib64/libc.so.6
#1  0x00007fb8300c5374 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fb8300c547c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fb8342e94db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb8140008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb8342935ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb820f7dcf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb8340bfadc in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fb83738d7b5 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007fb8340c490f in QThreadPrivate::start(void*) (arg=0x2101780) at thread/qthread_unix.cpp:331
#8  0x00007fb8331dc454 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fb8339ddd8d in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7fb80f4c4700 (LWP 15768)):
#0  0x00007fb8301086d9 in g_mutex_lock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fb8300c4ba1 in g_main_context_query () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fb8300c52ef in  () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fb8300c547c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fb8342e94db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb8080008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#5  0x00007fb8342935ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb80f4c3cf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#6  0x00007fb8340bfadc in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#7  0x00007fb83738d7b5 in  () at /usr/lib64/libQt5Qml.so.5
#8  0x00007fb8340c490f in QThreadPrivate::start(void*) (arg=0x20fbaa0) at thread/qthread_unix.cpp:331
#9  0x00007fb8331dc454 in start_thread () at /lib64/libpthread.so.0
#10 0x00007fb8339ddd8d in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7fb80dcf5700 (LWP 15769)):
#0  0x00007fb8340bccda in QMutex::lock() (currentValue=<synthetic pointer>, newValue=0x1, expectedValue=0x0, _q_value=@0x2480928: 0x1) at ../../src/corelib/arch/qatomic_x86.h:259
#1  0x00007fb8340bccda in QMutex::lock() (currentValue=<synthetic pointer>, newValue=<optimized out>, expectedValue=0x0, _q_value=@0x2480928: 0x1) at ../../src/corelib/thread/qgenericatomic.h:166
#2  0x00007fb8340bccda in QMutex::lock() (currentValue=<synthetic pointer>, newValue=<optimized out>, expectedValue=0x0, this=0x2480928, this@entry=0x29) at ../../src/corelib/thread/qbasicatomic.h:278
#3  0x00007fb8340bccda in QMutex::lock() (current=<synthetic pointer>, this=0x2480928, this@entry=0x29) at thread/qmutex.h:82
#4  0x00007fb8340bccda in QMutex::lock() (this=this@entry=0x2480928) at thread/qmutex.cpp:212
#5  0x00007fb8342e8d69 in postEventSourceCheck(GSource*) (m=0x2480928, this=<synthetic pointer>) at ../../src/corelib/thread/qmutex.h:128
#6  0x00007fb8342e8d69 in postEventSourceCheck(GSource*) (this=0x2480900) at ../../src/corelib/thread/qthread_p.h:240
#7  0x00007fb8342e8d69 in postEventSourceCheck(GSource*) (timeout=<synthetic pointer>, s=0x7fb8000012d0) at kernel/qeventdispatcher_glib.cpp:254
#8  0x00007fb8342e8d69 in postEventSourceCheck(GSource*) (source=0x7fb8000012d0) at kernel/qeventdispatcher_glib.cpp:264
#9  0x00007fb8300c4df1 in g_main_context_check () at /usr/lib64/libglib-2.0.so.0
#10 0x00007fb8300c5318 in  () at /usr/lib64/libglib-2.0.so.0
#11 0x00007fb8300c547c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#12 0x00007fb8342e94db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb8000008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#13 0x00007fb8342935ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb80dcf4cf0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#14 0x00007fb8340bfadc in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#15 0x00007fb83738d7b5 in  () at /usr/lib64/libQt5Qml.so.5
#16 0x00007fb8340c490f in QThreadPrivate::start(void*) (arg=0x231db80) at thread/qthread_unix.cpp:331
#17 0x00007fb8331dc454 in start_thread () at /lib64/libpthread.so.0
#18 0x00007fb8339ddd8d in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fb807fff700 (LWP 15770)):
#0  0x00007fb8331e202f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fb839b3ba84 in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007fb839b3bac9 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007fb8331dc454 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fb8339ddd8d in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fb8050dd700 (LWP 15832)):
#0  0x00007fb8300c4a8c in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#1  0x00007fb8300c52a3 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007fb8300c547c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007fb8342e94db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb77c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#4  0x00007fb8342935ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb8050dccb0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#5  0x00007fb8340bfadc in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#6  0x00007fb837f15e42 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007fb8340c490f in QThreadPrivate::start(void*) (arg=0x2788770) at thread/qthread_unix.cpp:331
#8  0x00007fb8331dc454 in start_thread () at /lib64/libpthread.so.0
#9  0x00007fb8339ddd8d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fb76ef00700 (LWP 15862)):
#0  0x00007fb8342e7580 in QTimerInfoList::timerWait(timespec&) (this=0x7fb768002cd0, tm=...) at kernel/qtimerinfo_unix.cpp:380
#1  0x00007fb8342e8e1c in idleTimerSourcePrepare(GSource*, gint*) (timeout=0x7fb76eeffb34, src=<optimized out>) at kernel/qeventdispatcher_glib.cpp:127
#2  0x00007fb8342e8e1c in idleTimerSourcePrepare(GSource*, gint*) (source=<optimized out>, timeout=0x7fb76eeffb34) at kernel/qeventdispatcher_glib.cpp:207
#3  0x00007fb8300c499d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#4  0x00007fb8300c52a3 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007fb8300c547c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#6  0x00007fb8342e94db in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x7fb7680008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#7  0x00007fb8342935ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7fb76eeffcd0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#8  0x00007fb8340bfadc in QThread::exec() (this=<optimized out>) at thread/qthread.cpp:503
#9  0x00007fb77162fe07 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#10 0x00007fb8340c490f in QThreadPrivate::start(void*) (arg=0x5512430) at thread/qthread_unix.cpp:331
#11 0x00007fb8331dc454 in start_thread () at /lib64/libpthread.so.0
#12 0x00007fb8339ddd8d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fb83a45c8c0 (LWP 15765)):
[KCrash Handler]
#6  0x00000000021955a0 in  ()
#7  0x00007fb8342c3727 in QMetaObject::activate(QObject*, int, void**) (sender=0x71eba30, signal_index=6, argv=0x0) at kernel/qobject.cpp:3759
#8  0x00007fb837169e32 in  () at /usr/lib64/libQt5Qml.so.5
#9  0x00007fb8373cc6ca in QQmlDelegateModel::_q_itemsChanged(int, int, QVector<int> const&) () at /usr/lib64/libQt5Qml.so.5
#10 0x00007fb8373d0eab in QQmlDelegateModel::_q_layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) () at /usr/lib64/libQt5Qml.so.5
#11 0x00007fb8373f23df in  () at /usr/lib64/libQt5Qml.so.5
#12 0x00007fb8373f2a98 in QQmlDelegateModel::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib64/libQt5Qml.so.5
#13 0x00007fb8342c30c0 in QMetaObject::activate(QObject*, int, int, void**) (sender=sender@entry=0x75374c0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffcb8358380) at kernel/qobject.cpp:3728
#14 0x00007fb8342c3707 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=sender@entry=0x75374c0, m=m@entry=0x7fb8346d8f40 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=3, argv=argv@entry=0x7ffcb8358380) at kernel/qobject.cpp:3578
#15 0x00007fb83433b266 in QAbstractItemModel::layoutChanged(QList<QPersistentModelIndex> const&, QAbstractItemModel::LayoutChangeHint) (this=this@entry=0x75374c0, _t1=..., _t2=_t2@entry=QAbstractItemModel::VerticalSortHint) at .moc/moc_qabstractitemmodel.cpp:562
#16 0x00007fb834266e54 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:1207
#17 0x00007fb8342686f8 in QSortFilterProxyModel::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (_o=_o@entry=0x75374c0, _c=_c@entry=QMetaObject::InvokeMetaMethod, _id=_id@entry=5, _a=_a@entry=0x7ffcb8358680) at .moc/moc_qsortfilterproxymodel.cpp:202
#18 0x00007fb8342c2f0a in QMetaObject::activate(QObject*, int, int, void**) (sender=0x6a30850, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffcb8358680) at kernel/qobject.cpp:3713
#19 0x00007fb8342c3707 in QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (sender=<optimized out>, m=m@entry=0x7fb8346d8f40 <QAbstractItemModel::staticMetaObject>, local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7ffcb8358680) at kernel/qobject.cpp:3578
#20 0x00007fb83433b1bc in QAbstractItemModel::dataChanged(QModelIndex const&, QModelIndex const&, QVector<int> const&) (this=<optimized out>, _t1=..., _t2=..., _t3=...) at .moc/moc_qabstractitemmodel.cpp:548
#21 0x00007fb76ddec22d in NetworkModel::updateItem(NetworkModelItem*) () at /usr/lib64/libplasmanm_internal.so
#22 0x00007fb76dded475 in NetworkModel::activeConnectionStateChanged(NetworkManager::ActiveConnection::State) () at /usr/lib64/libplasmanm_internal.so
#23 0x00007fb8342c2d97 in QMetaObject::activate(QObject*, int, int, void**) (a=0x7ffcb83588e0, r=0x6a30850, this=<optimized out>) at ../../src/corelib/kernel/qobject_impl.h:124
#24 0x00007fb8342c2d97 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x72f9e50, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3698
#25 0x00007fb76db86791 in NetworkManager::ActiveConnection::stateChanged(NetworkManager::ActiveConnection::State) () at /usr/lib64/libKF5NetworkManagerQt.so.6
#26 0x00007fb76dafc3d8 in  () at /usr/lib64/libKF5NetworkManagerQt.so.6
#27 0x00007fb8342c2d97 in QMetaObject::activate(QObject*, int, int, void**) (a=0x7ffcb8358b60, r=0x73a2f70, this=<optimized out>) at ../../src/corelib/kernel/qobject_impl.h:124
#28 0x00007fb8342c2d97 in QMetaObject::activate(QObject*, int, int, void**) (sender=0x73a2fa8, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3698
#29 0x00007fb76db90e4b in  () at /usr/lib64/libKF5NetworkManagerQt.so.6
#30 0x00007fb76db97953 in  () at /usr/lib64/libKF5NetworkManagerQt.so.6
#31 0x00007fb83503d413 in  () at /usr/lib64/libQt5DBus.so.5
#32 0x00007fb8342c3cf9 in QObject::event(QEvent*) (this=0x73a2fa8, e=<optimized out>) at kernel/qobject.cpp:1239
#33 0x00007fb83560a87c in QApplicationPrivate::notify_helper(QObject*, QEvent*) (this=this@entry=0x1fff0b0, receiver=receiver@entry=0x73a2fa8, e=e@entry=0x7710cf0) at kernel/qapplication.cpp:3716
#34 0x00007fb83560f986 in QApplication::notify(QObject*, QEvent*) (this=0x7ffcb83593a0, receiver=0x73a2fa8, e=0x7710cf0) at kernel/qapplication.cpp:3499
#35 0x00007fb834295c83 in QCoreApplication::notifyInternal(QObject*, QEvent*) (this=0x7ffcb83593a0, receiver=0x73a2fa8, event=event@entry=0x7710cf0) at kernel/qcoreapplication.cpp:965
#36 0x00007fb834297fa6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (event=0x7710cf0, receiver=<optimized out>) at kernel/qcoreapplication.h:224
#37 0x00007fb834297fa6 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x1ff47b0) at kernel/qcoreapplication.cpp:1593
#38 0x00007fb834298488 in QCoreApplication::sendPostedEvents(QObject*, int) (receiver=receiver@entry=0x0, event_type=event_type@entry=0) at kernel/qcoreapplication.cpp:1451
#39 0x00007fb8342e90b3 in postEventSourceDispatch(GSource*, GSourceFunc, gpointer) (s=0x2049a10) at kernel/qeventdispatcher_glib.cpp:271
#40 0x00007fb8300c51a7 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#41 0x00007fb8300c53d8 in  () at /usr/lib64/libglib-2.0.so.0
#42 0x00007fb8300c547c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#43 0x00007fb8342e94bf in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) (this=0x203b270, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#44 0x00007fb8342935ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) (this=this@entry=0x7ffcb8359250, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#45 0x00007fb83429b28d in QCoreApplication::exec() () at kernel/qcoreapplication.cpp:1229
#46 0x00007fb8347d153c in QGuiApplication::exec() () at kernel/qguiapplication.cpp:1529
#47 0x00007fb835606f25 in QApplication::exec() () at kernel/qapplication.cpp:2976
#48 0x00000000004365be in main(int, char**) (argc=1, argv=<optimized out>) at /usr/src/debug/plasma-workspace-5.5.5/shell/main.cpp:184

Reported using DrKonqi