Application: plasmashell (5.10.4)
 (Compiled from sources)
Qt Version: 5.9.1
Frameworks Version: 5.36.0
Operating System: Linux 4.9.39-gnu-1-lts-apparmor x86_64
Distribution: "Parabola GNU/Linux-libre"

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

Just put "Initialize" (I've in Spanish) to the temporizer plasmoid without any value and the app crashed. This happened to me once, but the error seemed important.

This was in Parabola GNU/Linux-libre, based on Arch Linux, in a x64 machine

The crash can be reproduced sometimes.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fc810a86e40 (LWP 5060))]

Thread 9 (Thread 0x7fc73e337700 (LWP 5193)):
#0  0x00007fc80a0f6e9d in poll () at /usr/lib/libc.so.6
#1  0x00007fc804c8dc09 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fc804c8dd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fc80aa2b084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc80a9ceffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc80a7e840e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fc740cda18a in KCupsConnection::run() () at /usr/lib/libkcupslib.so
#7  0x00007fc80a7ed15b in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fc8099b4049 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fc80a100f0f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fc7519a6700 (LWP 5180)):
#0  0x00007ffdc270fb00 in clock_gettime ()
#1  0x00007fc80a10e546 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007fc80aa2a972 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007fc80aa2910a in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#4  0x00007fc80aa296e6 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc80aa2adcf in  () at /usr/lib/libQt5Core.so.5
#6  0x00007fc804c8d148 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#7  0x00007fc804c8db3b in  () at /usr/lib/libglib-2.0.so.0
#8  0x00007fc804c8dd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#9  0x00007fc80aa2b084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007fc80a9ceffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007fc80a7e840e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#12 0x00007fc80e5298d6 in  () at /usr/lib/libQt5Quick.so.5
#13 0x00007fc80a7ed15b in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fc8099b4049 in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007fc80a100f0f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fc7e8840700 (LWP 5178)):
#0  0x00007fc8099ba1ad in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007fc810244b04 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fc810244b49 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fc8099b4049 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fc80a100f0f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fc7e9f23700 (LWP 5177)):
#0  0x00007fc80aa297c2 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#1  0x00007fc80aa2adcf in  () at /usr/lib/libQt5Core.so.5
#2  0x00007fc804c8d148 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#3  0x00007fc804c8db3b in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fc804c8dd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007fc80aa2b084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007fc80a9ceffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007fc80a7e840e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fc80a7ed15b in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fc8099b4049 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fc80a100f0f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fc7ebfff700 (LWP 5176)):
#0  0x00007ffdc270fb00 in clock_gettime ()
#1  0x00007fc80a10e546 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007fc80aa2a972 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007fc80aa2910a in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#4  0x00007fc80aa296e6 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc80aa2adcf in  () at /usr/lib/libQt5Core.so.5
#6  0x00007fc804c8d148 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#7  0x00007fc804c8db3b in  () at /usr/lib/libglib-2.0.so.0
#8  0x00007fc804c8dd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#9  0x00007fc80aa2b084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007fc80a9ceffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007fc80a7e840e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#12 0x00007fc80d9711d5 in  () at /usr/lib/libQt5Qml.so.5
#13 0x00007fc80a7ed15b in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fc8099b4049 in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007fc80a100f0f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fc7f2be9700 (LWP 5175)):
#0  0x00007ffdc270fb00 in clock_gettime ()
#1  0x00007fc80a10e546 in clock_gettime () at /usr/lib/libc.so.6
#2  0x00007fc80aa2a972 in  () at /usr/lib/libQt5Core.so.5
#3  0x00007fc80aa2910a in QTimerInfoList::updateCurrentTime() () at /usr/lib/libQt5Core.so.5
#4  0x00007fc80aa296e6 in QTimerInfoList::timerWait(timespec&) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc80aa2adcf in  () at /usr/lib/libQt5Core.so.5
#6  0x00007fc804c8d148 in g_main_context_prepare () at /usr/lib/libglib-2.0.so.0
#7  0x00007fc804c8db3b in  () at /usr/lib/libglib-2.0.so.0
#8  0x00007fc804c8dd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#9  0x00007fc80aa2b084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#10 0x00007fc80a9ceffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#11 0x00007fc80a7e840e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#12 0x00007fc80d9711d5 in  () at /usr/lib/libQt5Qml.so.5
#13 0x00007fc80a7ed15b in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fc8099b4049 in start_thread () at /usr/lib/libpthread.so.0
#15 0x00007fc80a100f0f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fc7f3fff700 (LWP 5114)):
#0  0x00007fc80a0f6e9d in poll () at /usr/lib/libc.so.6
#1  0x00007fc804c8dc09 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fc804c8dd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007fc80aa2b084 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007fc80a9ceffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007fc80a7e840e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fc80ae4a396 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fc80a7ed15b in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fc8099b4049 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fc80a100f0f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fc7fa7b7700 (LWP 5075)):
#0  0x00007fc80a0f6e9d in poll () at /usr/lib/libc.so.6
#1  0x00007fc80f1528e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007fc80f154679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fc7fcd2d72a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fc80a7ed15b in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fc8099b4049 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fc80a100f0f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fc810a86e40 (LWP 5060)):
[KCrash Handler]
#5  0x00007fc80d957a01 in QQmlBinding::getPropertyData(QQmlPropertyData**, QQmlPropertyData*) const () at /usr/lib/libQt5Qml.so.5
#6  0x00007fc80d95acfc in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fc80d95b7de in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fc80d9585a3 in QQmlBinding::update(QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#9  0x00007fc80d92f293 in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*, void**) () at /usr/lib/libQt5Qml.so.5
#10 0x00007fc80d8cdcd9 in QQmlData::signalEmitted(QAbstractDeclarativeData*, QObject*, int, void**) () at /usr/lib/libQt5Qml.so.5
#11 0x00007fc80a9fff9f in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#12 0x00007fc80d8c99e0 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/libQt5Qml.so.5
#13 0x00007fc80d8deb03 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#14 0x00007fc80d8a77fe in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#15 0x00007fc7e8036795 in  ()
#16 0x000100ff018a0001 in  ()
#17 0xd66f1fedf6a6d100 in  ()
#18 0x000100ff018b0001 in  ()
#19 0x0003400000000001 in  ()
#20 0x000000f067b67c90 in  ()
#21 0x00007fc7eb0003e8 in  ()
#22 0x00007fc7eb0003f8 in  ()
#23 0x00007fc7eb000410 in  ()
#24 0x00007ffdc26371f0 in  ()
#25 0x000000f067b67c90 in  ()
#26 0x000000f068481000 in  ()
#27 0x00007fc80d82bb4c in QV4::ExecutionContext::simpleCall(QV4::Scope&, QV4::CallData*, QV4::Function*) () at /usr/lib/libQt5Qml.so.5
#28 0x00007fc80d852aa5 in  () at /usr/lib/libQt5Qml.so.5
#29 0x00007fc80d8ba3e3 in QV4::Runtime::method_callActivationProperty(QV4::ExecutionEngine*, int, QV4::CallData*) () at /usr/lib/libQt5Qml.so.5
#30 0x00007fc7e80375b8 in  ()
#31 0x000100ff01a20001 in  ()
#32 0x00007f0001a20001 in  ()
#33 0x3fee0f12664387bd in  ()
#34 0x3fee0f12664387bd in  ()
#35 0x3ff35f6199825a7e in  ()
#36 0x3fe55f6199825a7e in  ()
#37 0x3ff95f6199825a7e in  ()
#38 0x00007fc7eb000380 in  ()
#39 0x00007ffdc26373a0 in  ()
#40 0x000000f067b67c90 in  ()
#41 0x000000f0684815a0 in  ()
#42 0x00007fc80d82bb4c in QV4::ExecutionContext::simpleCall(QV4::Scope&, QV4::CallData*, QV4::Function*) () at /usr/lib/libQt5Qml.so.5
#43 0x00007fc80d852aa5 in  () at /usr/lib/libQt5Qml.so.5
#44 0x00007fc80d8c9f00 in QQmlVMEMetaObject::metaCall(QObject*, QMetaObject::Call, int, void**) () at /usr/lib/libQt5Qml.so.5
#45 0x00007fc80a9e1e56 in QMetaMethod::invoke(QObject*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) const () at /usr/lib/libQt5Core.so.5
#46 0x00007fc80a9e3eff in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () at /usr/lib/libQt5Core.so.5
#47 0x00007fc7f076f04e in  () at /usr/lib/qt/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#48 0x00007fc7f078939a in  () at /usr/lib/qt/plugins/plasma/scriptengines/plasma_appletscript_declarative.so
#49 0x00007fc80aa00786 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#50 0x00007fc80aa0b2a6 in QSignalMapper::mapped(QString const&) () at /usr/lib/libQt5Core.so.5
#51 0x00007fc80aa0c83d in QSignalMapper::map(QObject*) () at /usr/lib/libQt5Core.so.5
#52 0x00007fc80aa00786 in QMetaObject::activate(QObject*, int, int, void**) () at /usr/lib/libQt5Core.so.5
#53 0x00007fc80b97c543 in QAction::triggered(bool) () at /usr/lib/libQt5Widgets.so.5
#54 0x00007fc80b97ed66 in QAction::activate(QAction::ActionEvent) () at /usr/lib/libQt5Widgets.so.5
#55 0x00007fc80bade515 in  () at /usr/lib/libQt5Widgets.so.5
#56 0x00007fc80bae5a5c in  () at /usr/lib/libQt5Widgets.so.5
#57 0x00007fc80bae68c4 in QMenu::mouseReleaseEvent(QMouseEvent*) () at /usr/lib/libQt5Widgets.so.5
#58 0x00007fc80b9c4d68 in QWidget::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#59 0x00007fc80bae8b54 in QMenu::event(QEvent*) () at /usr/lib/libQt5Widgets.so.5
#60 0x00007fc80b982e4c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#61 0x00007fc80b98aea1 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#62 0x00007fc80a9d0bd0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#63 0x00007fc80b989e2a in QApplicationPrivate::sendMouseEvent(QWidget*, QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool) () at /usr/lib/libQt5Widgets.so.5
#64 0x00007fc80b9dfc82 in  () at /usr/lib/libQt5Widgets.so.5
#65 0x00007fc80b9e2691 in  () at /usr/lib/libQt5Widgets.so.5
#66 0x00007fc80b982e4c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#67 0x00007fc80b98a926 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#68 0x00007fc80a9d0bd0 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#69 0x00007fc80b1be1e4 in QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*) () at /usr/lib/libQt5Gui.so.5
#70 0x00007fc80b1bfd46 in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib/libQt5Gui.so.5
#71 0x00007fc80b1974ac in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Gui.so.5
#72 0x00007fc7fcd91cc1 in  () at /usr/lib/libQt5XcbQpa.so.5
#73 0x00007fc804c8da57 in g_main_context_dispatch () at /usr/lib/libglib-2.0.so.0
#74 0x00007fc804c8dc88 in  () at /usr/lib/libglib-2.0.so.0
#75 0x00007fc804c8dd1c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#76 0x00007fc80aa2b061 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#77 0x00007fc80a9ceffb in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#78 0x00007fc80a9d8048 in QCoreApplication::exec() () at /usr/lib/libQt5Core.so.5
#79 0x000000f06768973b in  ()
#80 0x00007fc80a0334ca in __libc_start_main () at /usr/lib/libc.so.6
#81 0x000000f067689ada in _start ()

Reported using DrKonqi