Go to systemsettings5 => account settings > facebook account => configure =>enter password and confirm =>  SIGSEGV

(gdb) bt full
#0  SignOn::Identity::storeCredentials (this=this@entry=0x0, info=...) at identity.cpp:93
No locals.
#1  0x00007fffd3922131 in KAccountsUiProvider::storePasswordInSso (this=0xdb3270, accountId=accountId@entry=2, password=...)
    at /usr/src/debug/ktp-accounts-kcm-15.04.2/plugins/kaccounts/kaccounts-ui-provider.cpp:447
        service = 0x10cbdb0
        authData = <incomplete type>
        info = {impl = 0x81bd70}
        manager = <optimized out>
        account = <optimized out>
        identity = 0x0
#2  0x00007fffd39224fa in KAccountsUiProvider::__lambda10::operator() (__closure=__closure@entry=0x7fffffffc200, 
    op=<optimized out>) at /usr/src/debug/ktp-accounts-kcm-15.04.2/plugins/kaccounts/kaccounts-ui-provider.cpp:400
        accountId = 2
        values = {d = 0x12353a0}
        this = 0xdb3270
#3  0x00007fffd3922b6f in call (arg=<optimized out>, f=...) at /usr/include/qt5/QtCore/qobjectdefs_impl.h:494
No locals.
#4  call<QtPrivate::List<Tp::PendingOperation*>, void> (arg=<optimized out>, f=...)
    at /usr/include/qt5/QtCore/qobjectdefs_impl.h:551
No locals.
#5  QtPrivate::QFunctorSlotObject<KAccountsUiProvider::onConfigureAccountDialogAccepted()::__lambda10, 1, QtPrivate::List<Tp::PendingOperation*>, 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/qobject_impl.h:192
        ret = <optimized out>
        a = <optimized out>
        this_ = <optimized out>
        r = <optimized out>
#6  0x00007ffff467e78f in call (a=0x7fffffffc350, r=0xdb3270, this=0x122b210) at ../../src/corelib/kernel/qobject_impl.h:124
No locals.
#7  QMetaObject::activate (sender=sender@entry=0x12231a0, signalOffset=<optimized out>, 
    local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x7fffffffc350) at kernel/qobject.cpp:3702
        obj = {d = 0x122b210}
        receiverInSameThread = <optimized out>
        sw = {receiver = 0xdb3270, previousSender = 0x7fffffffcc50, currentSender = {sender = 0x12231a0, signal = 3, ref = 1}, 
          switched = true}
        callFunction = <optimized out>
        receiver = 0xdb3270
        method_relative = <optimized out>
        c = 0x122ae60
        last = 0x122ae60
        locker = {val = 140737298106712}
        connectionLists = {connectionLists = 0x1233960}
        list = 0x11ad0b8
        signal_index = 3
        empty_argv = {0x0}
        currentThreadId = 0x7ffff7f9c780
#8  0x00007ffff467f387 in QMetaObject::activate (sender=sender@entry=0x12231a0, 
    m=m@entry=0x7fffd36a9dc0 <Tp::PendingOperation::staticMetaObject>, local_signal_index=local_signal_index@entry=0, 
    argv=argv@entry=0x7fffffffc350) at kernel/qobject.cpp:3582
No locals.
#9  0x00007fffd32b174f in Tp::PendingOperation::finished (this=this@entry=0x12231a0, _t1=_t1@entry=0x12231a0)
    at /usr/src/debug/telepathy-qt-0.9.6/build/TelepathyQt/_gen/pending-operation.moc.hpp:161
        _a = {0x0, 0x7fffffffc348}
#10 0x00007fffd32b38f8 in emitFinished (this=0x12231a0)
    at /usr/src/debug/telepathy-qt-0.9.6/TelepathyQt/pending-operation.cpp:123
No locals.
#11 Tp::PendingOperation::qt_static_metacall (_o=0x12231a0, _c=<optimized out>, _id=<optimized out>, _a=<optimized out>)
    at /usr/src/debug/telepathy-qt-0.9.6/build/TelepathyQt/_gen/pending-operation.moc.hpp:95
No locals.
#12 0x00007ffff467fb66 in QObject::event (this=0x12231a0, e=<optimized out>) at kernel/qobject.cpp:1245
        mce = <optimized out>
        sw = {receiver = 0x12231a0, previousSender = 0x0, currentSender = {sender = 0x0, signal = -1, ref = 1}, switched = true}
#13 0x00007ffff611bbac in QApplicationPrivate::notify_helper (this=this@entry=0x62ab10, receiver=receiver@entry=0x12231a0, 
    e=e@entry=0x1232680) at kernel/qapplication.cpp:3720
        consumed = <optimized out>
#14 0x00007ffff6120a00 in QApplication::notify (this=0x7fffffffdbe0, receiver=0x12231a0, e=0x1232680)
    at kernel/qapplication.cpp:3503
        w = 0x12231a0
        extra = <optimized out>
        isProxyWidget = <optimized out>
        res = <optimized out>
#15 0x00007ffff464f4b5 in QCoreApplication::notifyInternal (this=0x7fffffffdbe0, receiver=0x12231a0, event=event@entry=0x1232680)
    at kernel/qcoreapplication.cpp:935
        threadData = 0x629d60
        loopLevelCounter = {threadData = 0x629d60}
        result = false
        cbdata = {0x12231a0, 0x1232680, 0x7fffffffc6b0}
        d = <optimized out>
#16 0x00007ffff465134f in sendEvent (event=0x1232680, receiver=<optimized out>) at kernel/qcoreapplication.h:228
No locals.
#17 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0, data=0x629d60)
    at kernel/qcoreapplication.cpp:1552
        e = 0x1232680
        pe = <optimized out>
        r = <optimized out>
        unlocker = {m = <synthetic pointer>}
        event_deleter = {d = 0x1232680}
        locker = {val = 6462856}
        startOffset = 0
        i = @0x629d7c: 3
        cleanup = {receiver = 0x0, event_type = 0, data = 0x629d60, exceptionCaught = true}
#18 0x00007ffff4651988 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=0)
    at kernel/qcoreapplication.cpp:1410
        data = <optimized out>
#19 0x00007ffff46a7383 in postEventSourceDispatch (s=0x6cbfe0) at kernel/qeventdispatcher_glib.cpp:271
        source = 0x6cbfe0
#20 0x00007fffefc74c74 in g_main_dispatch (context=0x7fffe00016f0) at gmain.c:3122
        dispatch = 0x7ffff46a7370 <postEventSourceDispatch(GSource*, GSourceFunc, gpointer)>
        prev_source = 0x662cd0
        was_in_call = 0
---Type <return> to continue, or q <return> to quit---
        user_data = 0x0
        callback = 0x0
        cb_funcs = <optimized out>
        cb_data = 0x0
        need_destroy = <optimized out>
        source = 0x6cbfe0
        current = 0x627a50
        i = 0
#21 g_main_context_dispatch (context=context@entry=0x7fffe00016f0) at gmain.c:3737
No locals.
#22 0x00007fffefc74ec8 in g_main_context_iterate (context=context@entry=0x7fffe00016f0, block=block@entry=1, 
    dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 4
        fds = 0x1062cd0
#23 0x00007fffefc74f6c in g_main_context_iteration (context=0x7fffe00016f0, may_block=1) at gmain.c:3869
        retval = <optimized out>
#24 0x00007ffff46a67fc in QEventDispatcherGlib::processEvents (this=0x65f1f0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
        d = 0x68ddf0
        canWait = true
        savedFlags = {i = 36}
        result = <optimized out>
#25 0x00007ffff464d40b in QEventLoop::exec (this=this@entry=0x7fffffffc980, flags=..., flags@entry=...)
    at kernel/qeventloop.cpp:204
        locker = {val = 6463088}
        ref = {d = 0x122b760, locker = @0x7fffffffc900, exceptionCaught = true}
        d = 0x122b760
#26 0x00007ffff6305add in QDialog::exec (this=0x1212040) at dialogs/qdialog.cpp:541
        eventLoop = {<QObject> = {_vptr.QObject = 0x7ffff4a8a470 <vtable for QEventLoop+16>, static staticMetaObject = {d = {
                superdata = 0x0, stringdata = 0x7ffff479bf80 <qt_meta_stringdata_QObject>, 
                data = 0x7ffff479be60 <qt_meta_data_QObject>, 
                static_metacall = 0x7ffff4687840 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, 
                relatedMetaObjects = 0x0, extradata = 0x0}}, d_ptr = {d = 0x122b760}, static staticQtMetaObject = {d = {
                superdata = 0x0, stringdata = 0x7ffff47e5cc0 <qt_meta_stringdata_Qt>, data = 0x7ffff47e3440 <qt_meta_data_Qt>, 
                static_metacall = 0x0, relatedMetaObjects = 0x0, extradata = 0x0}}}, static staticMetaObject = {d = {
              superdata = 0x7ffff4a86e80 <QObject::staticMetaObject>, 
              stringdata = 0x7ffff47f9a80 <qt_meta_stringdata_QEventLoop>, data = 0x7ffff47f9a20 <qt_meta_data_QEventLoop>, 
              static_metacall = 0x7ffff46fb820 <QEventLoop::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, 
              relatedMetaObjects = 0x0, extradata = 0x0}}}
        guard = {wp = {d = 0x8a3c90, value = 0x1212040}}
        res = <optimized out>
#27 0x00007fffd3921d73 in KAccountsUiProvider::showConfigureAccountDialog (this=0xdb3270, accountId=2)
    at /usr/src/debug/ktp-accounts-kcm-15.04.2/plugins/kaccounts/kaccounts-ui-provider.cpp:267
        kaccountsConfig = {d = 0x121bc50}
        accountUid = {static null = {<No data fields>}, d = 0x12146e0}
        protocolInfo = {mPriv = {d = 0x11b89c0}}
        dbb = 0x120a1f0
        ktpKaccountsGroup = {<KConfigBase> = {_vptr.KConfigBase = 0x7ffff4f6cf30 <vtable for KConfigGroup+16>}, d = {
            d = 0x1205c70}}
        parameters = {<QListSpecialMethods<Tp::ProtocolParameter>> = {<No data fields>}, {p = {static shared_null = {ref = {
                  atomic = {_q_value = -1}}, alloc = 0, begin = 0, end = 0, array = {0x0}}, d = 0x11aeec0}, d = 0x11aeec0}}
        parameterValues = {d = 0x11aa440}
        parameterModel = 0x11df380
        passwordParameter = {mPriv = {d = 0x11bee40}}
        mainLayout = 0x11da7f0
#28 0x00007ffff467e78f in call (a=0x7fffffffcc10, r=0xdb3270, this=0x6aa090) at ../../src/corelib/kernel/qobject_impl.h:124
No locals.
#29 QMetaObject::activate (sender=sender@entry=0xdb3270, signalOffset=<optimized out>, 
    local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3702
        obj = {d = 0x6aa090}
        receiverInSameThread = <optimized out>
        sw = {receiver = 0xdb3270, previousSender = 0x0, currentSender = {sender = 0xdb3270, signal = 3, ref = 1}, 
          switched = true}
        callFunction = <optimized out>
        receiver = 0xdb3270
        method_relative = <optimized out>
        c = 0x104ad60
        last = 0x104ad60
        locker = {val = 140737298106984}
        connectionLists = {connectionLists = 0x1186a40}
        list = 0xd95b08
        signal_index = 3
        empty_argv = {0x0}
        currentThreadId = 0x7ffff7f9c780
#30 0x00007ffff467f387 in QMetaObject::activate (sender=sender@entry=0xdb3270, 
    m=m@entry=0x7fffd5300ac0 <KAccountsUiPlugin::staticMetaObject>, local_signal_index=local_signal_index@entry=0, 
    argv=argv@entry=0x0) at kernel/qobject.cpp:3582
No locals.
#31 0x00007fffd50fb370 in KAccountsUiPlugin::uiReady (this=this@entry=0xdb3270)
    at /usr/src/debug/kaccounts-integration-15.04.2/build/src/lib/moc_kaccountsuiplugin.cpp:148
No locals.
#32 0x00007fffd3920b58 in KAccountsUiProvider::init (this=0xdb3270, type=<optimized out>)
    at /usr/src/debug/ktp-accounts-kcm-15.04.2/plugins/kaccounts/kaccounts-ui-provider.cpp:112
No locals.
#33 0x00007ffff467e78f in call (a=0x7fffffffcdd0, r=0xdb3480, this=0x11861d0) at ../../src/corelib/kernel/qobject_impl.h:124
No locals.
#34 QMetaObject::activate (sender=sender@entry=0xdb3480, signalOffset=<optimized out>, 
    local_signal_index=local_signal_index@entry=0, argv=argv@entry=0x0) at kernel/qobject.cpp:3702
        obj = {d = 0x11861d0}
        receiverInSameThread = <optimized out>
        sw = {receiver = 0xdb3480, previousSender = 0x0, currentSender = {sender = 0xdb3480, signal = 7, ref = 1}, 
          switched = true}
        callFunction = <optimized out>
        receiver = 0xdb3480
        method_relative = <optimized out>
        c = 0x118f440
        last = 0x118f440
        locker = {val = 140737298107512}
---Type <return> to continue, or q <return> to quit---
        connectionLists = {connectionLists = 0x118f490}
        list = 0x118fd08
        signal_index = 7
        empty_argv = {0x0}
        currentThreadId = 0x7ffff7f9c780
#35 0x00007ffff467f387 in QMetaObject::activate (sender=sender@entry=0xdb3480, 
    m=m@entry=0x7ffff681f600 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=0, 
    argv=argv@entry=0x0) at kernel/qobject.cpp:3582
No locals.
#36 0x00007ffff6499100 in QAbstractButton::pressed (this=this@entry=0xdb3480) at .moc/moc_qabstractbutton.cpp:285
No locals.
#37 0x00007ffff6211a57 in QAbstractButtonPrivate::emitPressed (this=0x118fa40) at widgets/qabstractbutton.cpp:548
        guard = {wp = {d = 0x1191000, value = <optimized out>}}
#38 0x00007ffff6211c16 in QAbstractButton::mousePressEvent (this=0xdb3480, e=0x7fffffffd2e0) at widgets/qabstractbutton.cpp:1105
No locals.
#39 0x00007ffff615b92a in QWidget::event (this=0xdb3480, event=0x7fffffffd2e0) at kernel/qwidget.cpp:8656
No locals.
#40 0x00007ffff611bbac in QApplicationPrivate::notify_helper (this=this@entry=0x62ab10, receiver=receiver@entry=0xdb3480, 
    e=e@entry=0x7fffffffd2e0) at kernel/qapplication.cpp:3720
        consumed = <optimized out>
#41 0x00007ffff61214ab in QApplication::notify (this=<optimized out>, receiver=0xdb3480, e=0x7fffffffd2e0)
    at kernel/qapplication.cpp:3280
        me = {<QInputEvent> = {<QEvent> = {_vptr.QEvent = 0x7ffff5fa4370 <vtable for QMouseEvent+16>, static staticMetaObject = {
                d = {superdata = 0x0, stringdata = 0x7ffff47fa440 <qt_meta_stringdata_QEvent>, 
                  data = 0x7ffff47f9ea0 <qt_meta_data_QEvent>, static_metacall = 0x0, relatedMetaObjects = 0x0, 
                  extradata = 0x0}}, d = 0x0, t = 2, posted = 0, spont = 1, m_accept = 1, reserved = 8191}, modState = {i = 0}, 
            ts = 23183263}, l = {xp = 121, yp = 3}, w = {xp = 897, yp = 94}, s = {xp = 897, yp = 156}, b = Qt::LeftButton, 
          mouseState = {i = 1}, caps = 0, velocity = {xp = 0, yp = 0}}
        w = 0xdb3480
        mouse = 0x7fffffffd2e0
        eventAccepted = <optimized out>
        relpos = {xp = 121, yp = 3}
        pw = {wp = {d = 0x1191000, value = 0xdb3480}}
        res = false
#42 0x00007ffff464f4b5 in QCoreApplication::notifyInternal (this=0x7fffffffdbe0, receiver=receiver@entry=0xdb3480, 
    event=event@entry=0x7fffffffd2e0) at kernel/qcoreapplication.cpp:935
        threadData = 0x629d60
        loopLevelCounter = {threadData = 0x629d60}
        result = false
        cbdata = {0xdb3480, 0x7fffffffd2e0, 0x7fffffffd120}
        d = <optimized out>
#43 0x00007ffff611fef1 in sendSpontaneousEvent (event=0x7fffffffd2e0, receiver=0xdb3480)
    at ../../src/corelib/kernel/qcoreapplication.h:231
No locals.
#44 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0xdb3480, event=event@entry=0x7fffffffd2e0, 
    alienWidget=alienWidget@entry=0xdb3480, nativeWidget=0x777430, buttonDown=buttonDown@entry=0x7ffff682e5f0 <qt_button_down>, 
    lastMouseReceiver=..., spontaneous=spontaneous@entry=true) at kernel/qapplication.cpp:2751
        alienGuard = {wp = {d = 0x1191000, value = 0xdb3480}}
        receiverGuard = {wp = {d = 0x1191000, value = 0xdb3480}}
        nativeGuard = {wp = {d = 0x858250, value = 0x777430}}
        activePopupWidget = {wp = {d = 0x0, value = 0x0}}
        widgetUnderMouse = <optimized out>
        wasLeaveAfterRelease = true
        result = <optimized out>
#45 0x00007ffff6172f26 in QWidgetWindow::handleMouseEvent (this=this@entry=0xcd4230, event=event@entry=0x7fffffffd730)
    at kernel/qwidgetwindow.cpp:543
        translated = {<QInputEvent> = {<QEvent> = {_vptr.QEvent = 0x7ffff5fa4370 <vtable for QMouseEvent+16>, 
              static staticMetaObject = {d = {superdata = 0x0, stringdata = 0x7ffff47fa440 <qt_meta_stringdata_QEvent>, 
                  data = 0x7ffff47f9ea0 <qt_meta_data_QEvent>, static_metacall = 0x0, relatedMetaObjects = 0x0, 
                  extradata = 0x0}}, d = 0x0, t = 2, posted = 0, spont = 1, m_accept = 1, reserved = 13}, modState = {i = 0}, 
            ts = 23183263}, l = {xp = 121, yp = 3}, w = {xp = 897, yp = 94}, s = {xp = 897, yp = 156}, b = Qt::LeftButton, 
          mouseState = {i = 1}, caps = 0, velocity = {xp = 0, yp = 0}}
        contextMenuTrigger = QEvent::MouseButtonPress
        widget = 0xdb3480
        mapped = {xp = 121, yp = 3}
        receiver = 0xdb3480
#46 0x00007ffff6174e3b in QWidgetWindow::event (this=0xcd4230, event=0x7fffffffd730) at kernel/qwidgetwindow.cpp:210
No locals.
#47 0x00007ffff611bbac in QApplicationPrivate::notify_helper (this=this@entry=0x62ab10, receiver=receiver@entry=0xcd4230, 
    e=e@entry=0x7fffffffd730) at kernel/qapplication.cpp:3720
        consumed = <optimized out>
#48 0x00007ffff6120a00 in QApplication::notify (this=0x7fffffffdbe0, receiver=0xcd4230, e=0x7fffffffd730)
    at kernel/qapplication.cpp:3503
        w = 0xcd4230
        extra = <optimized out>
        isProxyWidget = <optimized out>
        res = <optimized out>
#49 0x00007ffff464f4b5 in QCoreApplication::notifyInternal (this=0x7fffffffdbe0, receiver=receiver@entry=0xcd4230, 
    event=event@entry=0x7fffffffd730) at kernel/qcoreapplication.cpp:935
        threadData = 0x629d60
        loopLevelCounter = {threadData = 0x629d60}
        result = false
        cbdata = {0xcd4230, 0x7fffffffd730, 0x7fffffffd5d0}
        d = <optimized out>
#50 0x00007ffff599190a in sendSpontaneousEvent (event=0x7fffffffd730, receiver=0xcd4230)
    at ../../src/corelib/kernel/qcoreapplication.h:231
No locals.
#51 QGuiApplicationPrivate::processMouseEvent (e=0x11ea010) at kernel/qguiapplication.cpp:1769
        type = QEvent::MouseButtonPress
        stateChange = <optimized out>
        window = 0xcd4230
        globalPoint = {xp = 897, yp = 156}
        button = Qt::LeftButton
        doubleClick = false
        localPoint = {xp = 897, yp = 94}
        frameStrut = false
        ev = {<QInputEvent> = {<QEvent> = {_vptr.QEvent = 0x7ffff5fa4370 <vtable for QMouseEvent+16>, static staticMetaObject = {
                d = {superdata = 0x0, stringdata = 0x7ffff47fa440 <qt_meta_stringdata_QEvent>, 
                  data = 0x7ffff47f9ea0 <qt_meta_data_QEvent>, static_metacall = 0x0, relatedMetaObjects = 0x0, 
                  extradata = 0x0}}, d = 0x0, t = 2, posted = 0, spont = 1, m_accept = 1, reserved = 8191}, modState = {i = 0}, 
            ts = 23183263}, l = {xp = 897, yp = 94}, w = {xp = 897, yp = 94}, s = {xp = 897, yp = 156}, b = Qt::LeftButton, 
---Type <return> to continue, or q <return> to quit---
          mouseState = {i = 1}, caps = 0, velocity = {xp = 0, yp = 0}}
#52 0x00007ffff5993135 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x11ea010)
    at kernel/qguiapplication.cpp:1573
No locals.
#53 0x00007ffff5979998 in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
        event = 0x11ea010
        nevents = 1
#54 0x00007fffe7dab300 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
        userEventSource = <optimized out>
        dispatcher = <optimized out>
#55 0x00007fffefc74c74 in g_main_dispatch (context=0x7fffe00016f0) at gmain.c:3122
        dispatch = 0x7fffe7dab2f0 <userEventSourceDispatch(GSource*, GSourceFunc, gpointer)>
        prev_source = 0x0
        was_in_call = 0
        user_data = 0x0
        callback = 0x0
        cb_funcs = <optimized out>
        cb_data = 0x0
        need_destroy = <optimized out>
        source = 0x662cd0
        current = 0x627a50
        i = 1
#56 g_main_context_dispatch (context=context@entry=0x7fffe00016f0) at gmain.c:3737
No locals.
#57 0x00007fffefc74ec8 in g_main_context_iterate (context=context@entry=0x7fffe00016f0, block=block@entry=1, 
    dispatch=dispatch@entry=1, self=<optimized out>) at gmain.c:3808
        max_priority = 0
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = 4
        fds = 0x1062cd0
#58 0x00007fffefc74f6c in g_main_context_iteration (context=0x7fffe00016f0, may_block=1) at gmain.c:3869
        retval = <optimized out>
#59 0x00007ffff46a67fc in QEventDispatcherGlib::processEvents (this=0x65f1f0, flags=...) at kernel/qeventdispatcher_glib.cpp:418
        d = 0x68ddf0
        canWait = true
        savedFlags = {i = 0}
        result = <optimized out>
#60 0x00007ffff464d40b in QEventLoop::exec (this=this@entry=0x7fffffffdab0, flags=..., flags@entry=...)
    at kernel/qeventloop.cpp:204
        locker = {val = 6463088}
        ref = {d = 0xc9bf80, locker = @0x7fffffffda30, exceptionCaught = true}
        d = 0xc9bf80
#61 0x00007ffff4654a96 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
        threadData = 0x629d60
        eventLoop = {<QObject> = {_vptr.QObject = 0x7ffff4a8a470 <vtable for QEventLoop+16>, static staticMetaObject = {d = {
                superdata = 0x0, stringdata = 0x7ffff479bf80 <qt_meta_stringdata_QObject>, 
                data = 0x7ffff479be60 <qt_meta_data_QObject>, 
                static_metacall = 0x7ffff4687840 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, 
                relatedMetaObjects = 0x0, extradata = 0x0}}, d_ptr = {d = 0xc9bf80}, static staticQtMetaObject = {d = {
                superdata = 0x0, stringdata = 0x7ffff47e5cc0 <qt_meta_stringdata_Qt>, data = 0x7ffff47e3440 <qt_meta_data_Qt>, 
                static_metacall = 0x0, relatedMetaObjects = 0x0, extradata = 0x0}}}, static staticMetaObject = {d = {
              superdata = 0x7ffff4a86e80 <QObject::staticMetaObject>, 
              stringdata = 0x7ffff47f9a80 <qt_meta_stringdata_QEventLoop>, data = 0x7ffff47f9a20 <qt_meta_data_QEventLoop>, 
              static_metacall = 0x7ffff46fb820 <QEventLoop::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, 
              relatedMetaObjects = 0x0, extradata = 0x0}}}
        returnCode = <optimized out>
#62 0x00007ffff598a0cc in QGuiApplication::exec () at kernel/qguiapplication.cpp:1507
No locals.
#63 0x00007ffff6118275 in QApplication::exec () at kernel/qapplication.cpp:2956
No locals.
#64 0x000000000041030f in main (argc=1, argv=<optimized out>) at /usr/src/debug/systemsettings-5.3.1/app/main.cpp:55
        application = {<QApplication> = {<QGuiApplication> = {<QCoreApplication> = {<QObject> = {
                  _vptr.QObject = 0x61ca90 <vtable for SystemSettingsApp+16>, static staticMetaObject = {d = {superdata = 0x0, 
                      stringdata = 0x7ffff479bf80 <qt_meta_stringdata_QObject>, data = 0x7ffff479be60 <qt_meta_data_QObject>, 
                      static_metacall = 0x7ffff4687840 <QObject::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, 
                      relatedMetaObjects = 0x0, extradata = 0x0}}, d_ptr = {d = 0x62ab10}, static staticQtMetaObject = {d = {
                      superdata = 0x0, stringdata = 0x7ffff47e5cc0 <qt_meta_stringdata_Qt>, 
                      data = 0x7ffff47e3440 <qt_meta_data_Qt>, static_metacall = 0x0, relatedMetaObjects = 0x0, 
                      extradata = 0x0}}}, static staticMetaObject = {d = {
                    superdata = 0x7ffff4a86e80 <QObject::staticMetaObject>, 
                    stringdata = 0x7ffff47f9c60 <qt_meta_stringdata_QCoreApplication>, 
                    data = 0x7ffff47f9b40 <qt_meta_data_QCoreApplication>, 
                    static_metacall = 0x7ffff46fb9a0 <QCoreApplication::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, extradata = 0x0}}, static self = 0x7fffffffdbe0}, static staticMetaObject = {d = {
                  superdata = 0x7ffff4a8a5c0 <QCoreApplication::staticMetaObject>, 
                  stringdata = 0x7ffff5ced3a0 <qt_meta_stringdata_QGuiApplication>, 
                  data = 0x7ffff5ced1a0 <qt_meta_data_QGuiApplication>, 
                  static_metacall = 0x7ffff59932f0 <QGuiApplication::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, relatedMetaObjects = 0x0, extradata = 0x0}}}, static staticMetaObject = {d = {
                superdata = 0x7ffff5fa3a80 <QGuiApplication::staticMetaObject>, 
                stringdata = 0x7ffff64a7cc0 <qt_meta_stringdata_QApplication>, 
                data = 0x7ffff64a7b40 <qt_meta_data_QApplication>, 
                static_metacall = 0x7ffff611e100 <QApplication::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, 
                relatedMetaObjects = 0x0, extradata = 0x0}}}, static staticMetaObject = {d = {
              superdata = 0x7ffff67fca80 <QApplication::staticMetaObject>, 
              stringdata = 0x4199c0 <qt_meta_stringdata_SystemSettingsApp>, data = 0x419960 <qt_meta_data_SystemSettingsApp>, 
              static_metacall = 0x4184b0 <SystemSettingsApp::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>, 
              relatedMetaObjects = 0x0, extradata = 0x0}}, window = 0x6f5900}
        aboutData = {d = 0x6edec0}
        parser = {d = 0x6eafb0}
        mainWindow = 0x6f5900

Reproducible: Always