Bug 354385

Application: systemsettings5 (5.4.1)

Qt Version: 5.4.2
Operating System: Linux 4.2.0-16-generic x86_64
Distribution: Ubuntu 15.10

-- Information about the crash:
When I try to configure the Hangouts plugin in Online Account in System Settings it crashes with the report below.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc2340cd800 (LWP 2059))]

Thread 5 (Thread 0x7fc222c43700 (LWP 2060)):
#0  0x00007fc23086c8dd in poll () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc22e57cbd2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2  0x00007fc22e57e74f in xcb_wait_for_event () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3  0x00007fc225191a39 in QXcbEventReader::run (this=0x20db510) at qxcbconnection.cpp:1105
#4  0x00007fc230f5f2be in QThreadPrivate::start (arg=0x20db510) at thread/qthread_unix.cpp:337
#5  0x00007fc22dd076aa in start_thread (arg=0x7fc222c43700) at pthread_create.c:333
#6  0x00007fc230877eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 4 (Thread 0x7fc210c5c700 (LWP 2064)):
#0  0x00007fc23086849d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc22d82b4e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc22d7e7cd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc22d7e8190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc22d7e82fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc23119629b in QEventDispatcherGlib::processEvents (this=0x7fc20c0008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:420
#6  0x00007fc23113c75a in QEventLoop::exec (this=this@entry=0x7fc210c5bd80, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#7  0x00007fc230f5a3d4 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:503
#8  0x00007fc212ef68f7 in KCupsConnection::run() () from /usr/lib/x86_64-linux-gnu/libkcupslib.so
#9  0x00007fc230f5f2be in QThreadPrivate::start (arg=0x267a030) at thread/qthread_unix.cpp:337
#10 0x00007fc22dd076aa in start_thread (arg=0x7fc210c5c700) at pthread_create.c:333
#11 0x00007fc230877eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 3 (Thread 0x7fc1f67fb700 (LWP 2084)):
#0  0x00007fc23086849d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc22d82b4e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc22d7e7cd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc22d7e8190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc22d7e82fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc22d7e8339 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007fc22d80e965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fc22dd076aa in start_thread (arg=0x7fc1f67fb700) at pthread_create.c:333
#8  0x00007fc230877eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 2 (Thread 0x7fc2016ab700 (LWP 2085)):
#0  0x00007fc23086849d in read () at ../sysdeps/unix/syscall-template.S:81
#1  0x00007fc22d82b4e0 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fc22d7e7cd4 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fc22d7e8190 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fc22d7e8572 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007fc1faa6d4c6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#6  0x00007fc22d80e965 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007fc22dd076aa in start_thread (arg=0x7fc2016ab700) at pthread_create.c:333
#8  0x00007fc230877eed in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

Thread 1 (Thread 0x7fc2340cd800 (LWP 2059)):
[KCrash Handler]
#6  0x00007fc1d682e9f8 in KAccountsUiProvider::showNewAccountDialog (this=<optimized out>) at ../../../plugins/kaccounts/kaccounts-ui-provider.cpp:247
#7  0x00007fc23116f617 in QtPrivate::QSlotObjectBase::call (a=0x7ffe0d9d1390, r=0x276d1a0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#8  QMetaObject::activate (sender=0x276d1a0, signalOffset=<optimized out>, local_signal_index=<optimized out>, argv=<optimized out>) at kernel/qobject.cpp:3702
#9  0x00007fc1d682e9b8 in KAccountsUiProvider::init (this=0x276d1a0, type=<optimized out>) at ../../../plugins/kaccounts/kaccounts-ui-provider.cpp:109
#10 0x00007fc23116f617 in QtPrivate::QSlotObjectBase::call (a=0x7ffe0d9d1570, r=0x28b91e0, this=<optimized out>) at ../../include/QtCore/../../src/corelib/kernel/qobject_impl.h:124
#11 QMetaObject::activate (sender=sender@entry=0x28b91e0, signalOffset=<optimized out>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffe0d9d1570) at kernel/qobject.cpp:3702
#12 0x00007fc23116ff87 in QMetaObject::activate (sender=sender@entry=0x28b91e0, m=m@entry=0x7fc232ad9620 <QAbstractButton::staticMetaObject>, local_signal_index=local_signal_index@entry=2, argv=argv@entry=0x7ffe0d9d1570) at kernel/qobject.cpp:3582
#13 0x00007fc232953fe2 in QAbstractButton::clicked (this=this@entry=0x28b91e0, _t1=false) at .moc/moc_qabstractbutton.cpp:298
#14 0x00007fc2326ba914 in QAbstractButtonPrivate::emitClicked (this=0x27cb810) at widgets/qabstractbutton.cpp:534
#15 0x00007fc2326bbdf9 in QAbstractButtonPrivate::click (this=0x27cb810) at widgets/qabstractbutton.cpp:527
#16 0x00007fc2326bbf74 in QAbstractButton::mouseReleaseEvent (this=0x28b91e0, e=0x7ffe0d9d1a40) at widgets/qabstractbutton.cpp:1132
#17 0x00007fc232605188 in QWidget::event (this=0x28b91e0, event=0x7ffe0d9d1a40) at kernel/qwidget.cpp:9023
#18 0x00007fc2325c2b8c in QApplicationPrivate::notify_helper (this=this@entry=0x20c3800, receiver=receiver@entry=0x28b91e0, e=e@entry=0x7ffe0d9d1a40) at kernel/qapplication.cpp:3720
#19 0x00007fc2325c8c7a in QApplication::notify (this=<optimized out>, receiver=0x28b91e0, e=0x7ffe0d9d1a40) at kernel/qapplication.cpp:3280
#20 0x00007fc23113ef1b in QCoreApplication::notifyInternal (this=0x7ffe0d9d2300, receiver=receiver@entry=0x28b91e0, event=event@entry=0x7ffe0d9d1a40) at kernel/qcoreapplication.cpp:935
#21 0x00007fc2325c76f2 in QCoreApplication::sendSpontaneousEvent (event=0x7ffe0d9d1a40, receiver=0x28b91e0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#22 QApplicationPrivate::sendMouseEvent (receiver=receiver@entry=0x28b91e0, event=event@entry=0x7ffe0d9d1a40, alienWidget=alienWidget@entry=0x28b91e0, nativeWidget=0x50c7a40, buttonDown=buttonDown@entry=0x7fc232ae8a10 <qt_button_down>, lastMouseReceiver=..., spontaneous=true) at kernel/qapplication.cpp:2751
#23 0x00007fc23261c440 in QWidgetWindow::handleMouseEvent (this=this@entry=0x27c2820, event=event@entry=0x7ffe0d9d1e60) at kernel/qwidgetwindow.cpp:543
#24 0x00007fc23261e78b in QWidgetWindow::event (this=0x27c2820, event=0x7ffe0d9d1e60) at kernel/qwidgetwindow.cpp:210
#25 0x00007fc2325c2b8c in QApplicationPrivate::notify_helper (this=this@entry=0x20c3800, receiver=receiver@entry=0x27c2820, e=e@entry=0x7ffe0d9d1e60) at kernel/qapplication.cpp:3720
#26 0x00007fc2325c8230 in QApplication::notify (this=0x7ffe0d9d2300, receiver=0x27c2820, e=0x7ffe0d9d1e60) at kernel/qapplication.cpp:3503
#27 0x00007fc23113ef1b in QCoreApplication::notifyInternal (this=0x7ffe0d9d2300, receiver=receiver@entry=0x27c2820, event=event@entry=0x7ffe0d9d1e60) at kernel/qcoreapplication.cpp:935
#28 0x00007fc2320173c8 in QCoreApplication::sendSpontaneousEvent (event=0x7ffe0d9d1e60, receiver=0x27c2820) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#29 QGuiApplicationPrivate::processMouseEvent (e=0x4f39430) at kernel/qguiapplication.cpp:1772
#30 0x00007fc232019005 in QGuiApplicationPrivate::processWindowSystemEvent (e=e@entry=0x4f39430) at kernel/qguiapplication.cpp:1576
#31 0x00007fc231ffe5b8 in QWindowSystemInterface::sendWindowSystemEvents (flags=...) at kernel/qwindowsysteminterface.cpp:572
#32 0x00007fc2251be250 in userEventSourceDispatch (source=<optimized out>) at eventdispatchers/qeventdispatcher_glib.cpp:70
#33 0x00007fc22d7e7ff7 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007fc22d7e8250 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007fc22d7e82fc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007fc23119627f in QEventDispatcherGlib::processEvents (this=0x2112420, flags=...) at kernel/qeventdispatcher_glib.cpp:418
#37 0x00007fc23113c75a in QEventLoop::exec (this=this@entry=0x7ffe0d9d21e0, flags=..., flags@entry=...) at kernel/qeventloop.cpp:204
#38 0x00007fc2311442cc in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1188
#39 0x00007fc23200f00c in QGuiApplication::exec () at kernel/qguiapplication.cpp:1510
#40 0x00007fc2325bf025 in QApplication::exec () at kernel/qapplication.cpp:2956
#41 0x000000000040f04b in main (argc=1, argv=<optimized out>) at ../../app/main.cpp:55

Reported using DrKonqi