Application: plasmashell (5.10.2)

Qt Version: 5.9.0
Frameworks Version: 5.35.0
Operating System: Linux 4.9.33-1-lts x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- Unusual behavior I noticed:

Upon adding a widget (fuzzy clock) and moving the taskbar around, KDE crashed.

- Custom settings of the application:

Fuzzy clock added to the taskbar.

Distribution: Arch Linux
Kernel version: 4.9.33-1-lts
Plasma 5.10.2

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f752dc09d80 (LWP 917))]

Thread 9 (Thread 0x7f7459b7e700 (LWP 1331)):
#0  0x00007f7527942b4d in  () at /usr/lib/libQt5Core.so.5
#1  0x00007f7527b7660a in  () at /usr/lib/libQt5Core.so.5
#2  0x00007f7521e09138 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0x00007f7521e09b2b in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f7521e09d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f7527b76e9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f7527b1d21a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f752793f40a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f752aaae645 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f7527943cbd in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f7526b0c297 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f752725825f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f7462670700 (LWP 1316)):
#0  0x00007f7521e4ea29 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f7521e09bbe in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f7521e09d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f7527b76e9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f7527b1d21a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f752793f40a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f7465014427 in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007f7527943cbd in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f7526b0c297 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f752725825f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f7477773700 (LWP 1118)):
#0  0x00007f7521e4ea44 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f7521e09128 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#2  0x00007f7521e09b2b in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f7521e09d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f7527b76e9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f7527b1d21a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f752793f40a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f752b666836 in  () at /usr/lib/libQt5Quick.so.5
#8  0x00007f7527943cbd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f7526b0c297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f752725825f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f75035a3700 (LWP 1031)):
#0  0x00007f7526b1239d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f752d381ac4 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f752d381b09 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f7526b0c297 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f752725825f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f750d763700 (LWP 1003)):
#0  0x00007f7521e4ea44 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f7521e09578 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f7521e09ba0 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f7521e09d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f7527b76e9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f7527b1d21a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f752793f40a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f752aaae645 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f7527943cbd in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f7526b0c297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f752725825f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f750fbf1700 (LWP 982)):
#0  0x00007ffc14ddc939 in  ()
#1  0x00007ffc14ddcbcb in clock_gettime ()
#2  0x00007f75272657b6 in clock_gettime () at /usr/lib/libc.so.6
#3  0x00007f7527b76041 in  () at /usr/lib/libQt5Core.so.5
#4  0x00007f7527b74879 in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#5  0x00007f7527b74e55 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#6  0x00007f7527b7647e in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f7521e09138 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#8  0x00007f7521e09b2b in  () at /usr/lib/libglib-2.0.so.0
#9  0x00007f7521e09d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#10 0x00007f7527b76e9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007f7527b1d21a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#12 0x00007f752793f40a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#13 0x00007f752aaae645 in  () at /usr/lib/libQt5Qml.so.5
#14 0x00007f7527943cbd in  () at /usr/lib/libQt5Core.so.5
#15 0x00007f7526b0c297 in start_thread () at /usr/lib/libpthread.so.0
#16 0x00007f752725825f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f7515802700 (LWP 929)):
#0  0x00007f7521e4ea44 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f7521e09bb6 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f7521e09d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f7527b76e9b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f7527b1d21a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f752793f40a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f7527f9dd45 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f7527943cbd in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f7526b0c297 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f752725825f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f7517896700 (LWP 928)):
#0  0x00007f752724e2bd in poll () at /usr/lib/libc.so.6
#1  0x00007f752c28f8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f752c291679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f7519e07d49 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f7527943cbd in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f7526b0c297 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f752725825f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f752dc09d80 (LWP 917)):
[KCrash Handler]
#5  0x00007f752aa94ff1 in QQmlBinding::getPropertyData(QQmlPropertyData**, QQmlPropertyData*) const () at /usr/lib/libQt5Qml.so.5
#6  0x00007f752aa982cc in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f752aa98dae in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f752aa95b93 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#9  0x00007f752aa6ca83 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5
#10 0x00007f752aa0b499 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5
#11 0x00007f7527b4cc9f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#12 0x00007f752aa071d0 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/libQt5Qml.so.5
#13 0x00007f752aa1c2c3 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#14 0x00007f752aa96ba4 in QQmlBinding::slowWrite(QQmlPropertyData const&, QQmlPropertyData const&, QV4::Value const&, bool, QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#15 0x00007f752aa97cf8 in  () at /usr/lib/libQt5Qml.so.5
#16 0x00007f752aa98dae in  () at /usr/lib/libQt5Qml.so.5
#17 0x00007f752aa95b93 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#18 0x00007f752aa6ca83 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5
#19 0x00007f752aa0b499 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5
#20 0x00007f7527b4cc9f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#21 0x00007f752aa01d3a in QQmlOpenMetaObject::setValue(QByteArray const&, QVariant const&) () at /usr/lib/libQt5Qml.so.5
#22 0x00007f752a87b532 in QQmlPropertyMap::insert(QString const&, QVariant const&) () at /usr/lib/libQt5Qml.so.5
#23 0x00007f747b548ac9 in  () at /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so
#24 0x00007f747b561b1d in  () at /usr/lib/qt/qml/org/kde/plasma/core/libcorebindingsplugin.so
#25 0x00007f7527b4d465 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#26 0x00007f752be11dcd in  () at /usr/lib/libKF5Plasma.so.5
#27 0x00007f752bdf70b4 in Plasma::DataContainer::forceImmediateUpdate() () at /usr/lib/libKF5Plasma.so.5
#28 0x00007f7475bef695 in  () at /usr/lib/qt/plugins/plasma/dataengine/plasma_engine_time.so
#29 0x00007f7475becfa7 in  () at /usr/lib/qt/plugins/plasma/dataengine/plasma_engine_time.so
#30 0x00007f752bdfab19 in  () at /usr/lib/libKF5Plasma.so.5
#31 0x00007f7527b4d465 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#32 0x00007f752bdf3b12 in Plasma::DataContainer::updateRequested(Plasma::DataContainer*) () at /usr/lib/libKF5Plasma.so.5
#33 0x00007f752be12488 in  () at /usr/lib/libKF5Plasma.so.5
#34 0x00007f7527b4de2b in QObject::event(QEvent*) () at /usr/lib/libQt5Core.so.5
#35 0x00007f7528ad446c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#36 0x00007f7528adbcf4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#37 0x00007f7527b1eb98 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#38 0x00007f7527b75bae in QTimerInfoList::activateTimers() () at /usr/lib/libQt5Core.so.5
#39 0x00007f7527b76389 in  () at /usr/lib/libQt5Core.so.5
#40 0x00007f7521e09a47 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#41 0x00007f7521e09c78 in  () at /usr/lib/libglib-2.0.so.0
#42 0x00007f7521e09d0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#43 0x00007f7527b76e7f in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#44 0x00007f7527b1d21a in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#45 0x00007f7527b25a74 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#46 0x000000000041cc32 in  ()
#47 0x00007f752718b43a in __libc_start_main () at /usr/lib/libc.so.6
#48 0x000000000041cfaa in _start ()

Reported using DrKonqi