Application: plasmashell (5.10.3)

Qt Version: 5.9.1
Frameworks Version: 5.35.0
Operating System: Linux 4.11.7-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I was customizing my desktop. More specifically I was creating new panels and moving them around on my multi monitor setup. I've had only one memory overflow message so far.
- Custom settings of the application:
I've downloaded and am using helium theme from kde store.

The crash can be reproduced every time.

-- Backtrace:
Application: Plasma (plasmashell), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f99fc91c380 (LWP 4074))]

Thread 8 (Thread 0x7f9943903700 (LWP 4585)):
#0  0x00007f99f0d64a29 in g_mutex_lock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f99f0d1f60c in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007f99f0d1fba0 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f99f0d1fd0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#4  0x00007f99f68884eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f99f682defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f99f664d79a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f99f97bd1e5 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f99f665237d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f99f581a297 in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f99f5f661ef in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f9943102700 (LWP 4398)):
#0  0x00007f99f5f5c24d in poll () at /usr/lib/libc.so.6
#1  0x00007f99f0d1fbf9 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f99f0d1fd0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f99f68884eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f99f682defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f99f664d79a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f99fa3758d6 in  () at /usr/lib/libQt5Quick.so.5
#7  0x00007f99f665237d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f99f581a297 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f99f5f661ef in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f99d77fe700 (LWP 4200)):
#0  0x00007f99f5f57fbd in read () at /usr/lib/libc.so.6
#1  0x00007f99f0d636f0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f99f0d1f6db in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f99f0d1fba0 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f99f0d1fd0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#5  0x00007f99f68884eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#6  0x00007f99f682defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#7  0x00007f99f664d79a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f99f97bd1e5 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f99f665237d in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f99f581a297 in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f99f5f661ef in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f99d7fff700 (LWP 4199)):
#0  0x00007f99f582039d in pthread_cond_wait@@GLIBC_2.3.2 () at /usr/lib/libpthread.so.0
#1  0x00007f99fc090b04 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007f99fc090b49 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007f99f581a297 in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f99f5f661ef in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f99debe9700 (LWP 4111)):
#0  0x00007f99f5f5c24d in poll () at /usr/lib/libc.so.6
#1  0x00007f99f0d1fbf9 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f99f0d1fd0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f99f68884eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f99f682defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f99f664d79a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f99f97bd1e5 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f99f665237d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f99f581a297 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f99f5f661ef in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f99dffff700 (LWP 4089)):
#0  0x00007f99f5f5c24d in poll () at /usr/lib/libc.so.6
#1  0x00007f99f0d1fbf9 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f99f0d1fd0c in g_main_context_iteration () at /usr/lib/libglib-2.0.so.0
#3  0x00007f99f68884eb in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#4  0x00007f99f682defa in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib/libQt5Core.so.5
#5  0x00007f99f664d79a in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f99f6ca8d45 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f99f665237d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f99f581a297 in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f99f5f661ef in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f99e675f700 (LWP 4086)):
#0  0x00007f99f5f5c24d in poll () at /usr/lib/libc.so.6
#1  0x00007f99faf9e8e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007f99fafa0679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007f99e8cd9e99 in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007f99f665237d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007f99f581a297 in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f99f5f661ef in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f99fc91c380 (LWP 4074)):
[KCrash Handler]
#5  0x00007f99f66ab89d in QHashData::detach_helper(void (*)(QHashData::Node*, void*), void (*)(QHashData::Node*), int, int) () at /usr/lib/libQt5Core.so.5
#6  0x00007f99fab3bdfa in  () at /usr/lib/libKF5Plasma.so.5
#7  0x00007f99fab3a07e in  () at /usr/lib/libKF5Plasma.so.5
#8  0x00007f99fab3a2cf in Plasma::FrameSvg::mask() const () at /usr/lib/libKF5Plasma.so.5
#9  0x00007f99fc3c33fa in  () at /usr/lib/libKF5PlasmaQuick.so.5
#10 0x00007f99fc3c4c7c in  () at /usr/lib/libKF5PlasmaQuick.so.5
#11 0x00007f99fc3c56cb in  () at /usr/lib/libKF5PlasmaQuick.so.5
#12 0x00007f99fc3c72a2 in PlasmaQuick::Dialog::event(QEvent*) () at /usr/lib/libKF5PlasmaQuick.so.5
#13 0x00007f99f77e046c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#14 0x00007f99f77e7cf4 in QApplication::notify(QObject*, QEvent*) () at /usr/lib/libQt5Widgets.so.5
#15 0x00007f99f682fa28 in QCoreApplication::notifyInternal2(QObject*, QEvent*) () at /usr/lib/libQt5Core.so.5
#16 0x00007f99f70278fe in QWindow::setVisible(bool) () at /usr/lib/libQt5Gui.so.5
#17 0x00007f99fc3c30cd in PlasmaQuick::Dialog::setVisible(bool) () at /usr/lib/libKF5PlasmaQuick.so.5
#18 0x00007f99fc3c6b29 in  () at /usr/lib/libKF5PlasmaQuick.so.5
#19 0x00007f99fc3c824a in PlasmaQuick::Dialog::qt_metacall(QMetaObject::Call, int, void**) () at /usr/lib/libKF5PlasmaQuick.so.5
#20 0x00007f99f972ab13 in QQmlPropertyPrivate::write(QObject*, QQmlPropertyData const&, QVariant const&, QQmlContextData*, QFlags<QQmlPropertyData::WriteFlag>) () at /usr/lib/libQt5Qml.so.5
#21 0x00007f99f96f380e in QV4::QObjectWrapper::setProperty(QV4::ExecutionEngine*, QObject*, QQmlPropertyData*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#22 0x00007f99f96f44b6 in QV4::QObjectWrapper::setQmlProperty(QV4::ExecutionEngine*, QQmlContextData*, QObject*, QV4::String*, QV4::QObjectWrapper::RevisionMode, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#23 0x00007f99f96f45c9 in QV4::QObjectWrapper::put(QV4::Managed*, QV4::String*, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#24 0x00007f99f97030dc in QV4::Runtime::method_setProperty(QV4::ExecutionEngine*, QV4::Value const&, int, QV4::Value const&) () at /usr/lib/libQt5Qml.so.5
#25 0x00007f992166e0fd in  ()
#26 0x0000000004c6c7d0 in  ()
#27 0x0000000001716500 in  ()
#28 0x00007ffdd4256fc0 in  ()
#29 0x00007f99d63ff370 in  ()
#30 0x00007f99d63ff010 in  ()
#31 0x00007f99f9677bd4 in QV4::ExecutionContext::simpleCall(QV4::Scope&, QV4::CallData*, QV4::Function*) () at /usr/lib/libQt5Qml.so.5
#32 0xa63f36baa3433600 in  ()
#33 0x00000000016f4f20 in  ()
#34 0x0000000009cbbb90 in  ()
#35 0x00000000017162a0 in  ()
#36 0x0000000000000000 in  ()

Reported using DrKonqi