Application: plasmashell (5.4.2)

Qt Version: 5.5.0
Operating System: Linux 4.1.6 x86_64
Distribution (Platform): Slackware Packages

-- Information about the crash:
Instang messaging settings -> google -> Google Hangounts -> [Configure]

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f7acc87c7c0 (LWP 32590))]

Thread 10 (Thread 0x7f7ab79f2700 (LWP 32592)):
#0  0x00007f7ac434f40d in poll () at /lib64/libc.so.6
#1  0x00007f7aca6dc102 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f7aca6ddc8f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f7ab93c2239 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f7ac4ee243f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f7ac3034704 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f7ac435aaed in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f7aaffff700 (LWP 32594)):
#0  0x00007f7ac51148a1 in QTimerInfoList::repairTimersIfNeeded() () at /usr/lib64/libQt5Core.so.5
#1  0x00007f7ac5114913 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f7ac5115cde in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007f7abf375e8d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#4  0x00007f7abf3767d0 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f7abf3769ac in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#6  0x00007f7ac511685c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#7  0x00007f7ac50be142 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#8  0x00007f7ac4edd59c in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#9  0x00007f7ac9195ba5 in  () at /usr/lib64/libQt5Qml.so.5
#10 0x00007f7ac4ee243f in  () at /usr/lib64/libQt5Core.so.5
#11 0x00007f7ac3034704 in start_thread () at /lib64/libpthread.so.0
#12 0x00007f7ac435aaed in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f7aa3f18700 (LWP 32595)):
#0  0x00007f7ac434f40d in poll () at /lib64/libc.so.6
#1  0x00007f7abf3768a4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f7abf3769ac in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f7ac511685c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f7ac50be142 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f7ac4edd59c in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f7ac9195ba5 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f7ac4ee243f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f7ac3034704 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f7ac435aaed in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f7aa26cb700 (LWP 32598)):
#0  0x00007ffd8a2b5924 in clock_gettime ()
#1  0x00007f7ac4368fe6 in clock_gettime () at /lib64/libc.so.6
#2  0x00007f7ac4f90f36 in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007f7ac51143f9 in QTimerInfoList::updateCurrentTime() () at /usr/lib64/libQt5Core.so.5
#4  0x00007f7ac5114905 in QTimerInfoList::timerWait(timespec&) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f7ac5115cde in  () at /usr/lib64/libQt5Core.so.5
#6  0x00007f7abf375e8d in g_main_context_prepare () at /usr/lib64/libglib-2.0.so.0
#7  0x00007f7abf3767d0 in  () at /usr/lib64/libglib-2.0.so.0
#8  0x00007f7abf3769ac in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#9  0x00007f7ac511685c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f7ac50be142 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#11 0x00007f7ac4edd59c in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#12 0x00007f7ac9195ba5 in  () at /usr/lib64/libQt5Qml.so.5
#13 0x00007f7ac4ee243f in  () at /usr/lib64/libQt5Core.so.5
#14 0x00007f7ac3034704 in start_thread () at /lib64/libpthread.so.0
#15 0x00007f7ac435aaed in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f7aa0d3c700 (LWP 32599)):
#0  0x00007f7ac303a40f in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7acbf6cf14 in  () at /usr/lib64/libQt5Script.so.5
#2  0x00007f7acbf6cf59 in  () at /usr/lib64/libQt5Script.so.5
#3  0x00007f7ac3034704 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f7ac435aaed in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f7a99d65700 (LWP 32602)):
#0  0x00007f7ac434f40d in poll () at /lib64/libc.so.6
#1  0x00007f7abf3768a4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f7abf3769ac in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f7ac511685c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f7ac50be142 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f7ac4edd59c in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f7ac9d219e2 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007f7ac4ee243f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f7ac3034704 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f7ac435aaed in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f7a98d5f700 (LWP 32615)):
#0  0x00007f7abf3b9704 in g_mutex_unlock () at /usr/lib64/libglib-2.0.so.0
#1  0x00007f7abf37676d in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f7abf3769ac in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f7ac511685c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f7ac50be142 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f7ac4edd59c in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f7a06d43217 in KCupsConnection::run() () at /usr/lib64/libkcupslib.so
#7  0x00007f7ac4ee243f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f7ac3034704 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f7ac435aaed in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f79fc793700 (LWP 32629)):
#0  0x00007f7ac303a7b8 in pthread_cond_timedwait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007f7ac4ee33a8 in QWaitCondition::wait(QMutex*, unsigned long) () at /usr/lib64/libQt5Core.so.5
#2  0x00007f7ac4edf5bc in  () at /usr/lib64/libQt5Core.so.5
#3  0x00007f7ac4ee243f in  () at /usr/lib64/libQt5Core.so.5
#4  0x00007f7ac3034704 in start_thread () at /lib64/libpthread.so.0
#5  0x00007f7ac435aaed in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f79fb71f700 (LWP 32630)):
#0  0x00007f7ac434f40d in poll () at /lib64/libc.so.6
#1  0x00007f7abf3768a4 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f7abf376c22 in g_main_loop_run () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f7a03117326 in  () at /usr/lib64/libgio-2.0.so.0
#4  0x00007f7abf39c5f5 in  () at /usr/lib64/libglib-2.0.so.0
#5  0x00007f7ac3034704 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f7ac435aaed in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f7acc87c7c0 (LWP 32590)):
[KCrash Handler]
#6  0x00007f79fa9231d8 in  () at /usr/lib64/qt5/plugins/kaccounts/ui/ktpaccountskcm_plugin_kaccounts.so
#7  0x00007f7ac50eea3a in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#8  0x00007f79fa927fc8 in  () at /usr/lib64/qt5/plugins/kaccounts/ui/ktpaccountskcm_plugin_kaccounts.so
#9  0x00007f7ac50eea3a in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib64/libQt5Core.so.5
#10 0x00007f7ac6a4a302 in QAbstractButton::clicked(bool) () at /usr/lib64/libQt5Widgets.so.5
#11 0x00007f7ac67b8295 in  () at /usr/lib64/libQt5Widgets.so.5
#12 0x00007f7ac67b8f89 in  () at /usr/lib64/libQt5Widgets.so.5
#13 0x00007f7ac67b9124 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) () at /usr/lib64/libQt5Widgets.so.5
#14 0x00007f7ac66fe888 in QWidget::event(QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#15 0x00007f7ac66bdc5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#16 0x00007f7ac66c350a in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#17 0x00007f7ac50c05a3 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#18 0x00007f7ac66c2232 in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib64/libQt5Widgets.so.5
#19 0x00007f7ac67198a5 in  () at /usr/lib64/libQt5Widgets.so.5
#20 0x00007f7ac671bbdb in  () at /usr/lib64/libQt5Widgets.so.5
#21 0x00007f7ac66bdc5c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#22 0x00007f7ac66c2dd0 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#23 0x00007f7ac50c05a3 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#24 0x00007f7ac56039bb in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib64/libQt5Gui.so.5
#25 0x00007f7ac56054d5 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5
#26 0x00007f7ac55e9eff in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Gui.so.5
#27 0x00007f7ab9405b00 in  () at /usr/lib64/libQt5XcbQpa.so.5
#28 0x00007f7abf37665d in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#29 0x00007f7abf376908 in  () at /usr/lib64/libglib-2.0.so.0
#30 0x00007f7abf3769ac in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#31 0x00007f7ac5116847 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#32 0x00007f7ac50be142 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#33 0x00007f7ac50c5c4d in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#34 0x0000000000433663 in main ()

Reported using DrKonqi