https://bugs.kde.org/show_bug.cgi?id=389871

            Bug ID: 389871
           Summary: Plasma crashed while changing System Tray entries
                    visibility
           Product: plasmashell
           Version: 5.11.5
          Platform: Archlinux Packages
                OS: Linux
            Status: UNCONFIRMED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: ali.mol...@protonmail.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.11.5)

Qt Version: 5.10.0
Frameworks Version: 5.42.0
Operating System: Linux 4.14.15-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I was changing System Tray entries visibility to customize which items to be
shown, plasma crashes randomly during the process.

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 0x7fe8c61e4800 (LWP 6201))]

Thread 14 (Thread 0x7fe7c9740700 (LWP 9159)):
#0  0x00007fe8b9f78b94 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe8b9f314b1 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007fe8b9f31f1e in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe8b9f3210e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007fe8bffddb94 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007fe8bff7fd0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007fe8bfd8f78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe8c2f99a19 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fe8bfd94b2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7fe7cb182700 (LWP 7681)):
#0  0x00007fe8bf68e3d8 in read () at /usr/lib/libc.so.6
#1  0x00007fe8b37fa7c2 in pa_read () at
/usr/lib/pulseaudio/libpulsecommon-11.1.so
#2  0x00007fe8b409f7af in pa_mainloop_prepare () at /usr/lib/libpulse.so.0
#3  0x00007fe8b40a0241 in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#4  0x00007fe8b40a0301 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#5  0x00007fe8b40ae6ae in  () at /usr/lib/libpulse.so.0
#6  0x00007fe8b382a81c in  () at /usr/lib/pulseaudio/libpulsecommon-11.1.so
#7  0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fe7d9934700 (LWP 7680)):
#0  0x00007fe8b9f2ee37 in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe8b9f31901 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe8b9f31f96 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe8b9f3210e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007fe8bffddb94 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007fe8bff7fd0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007fe8bfd8f78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe8c2f99a19 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fe8bfd94b2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fe7e9038700 (LWP 6366)):
#0  0x00007fe8bef4f3bd in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe8bfd9600c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe80706c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fe807071479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fe80706b924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fe8070714d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fe80706b924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fe80706ec83 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fe8bfd94b2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fe7e9839700 (LWP 6365)):
#0  0x00007fe8bef4f3bd in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe8bfd9600c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe80706c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fe807071479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fe80706b924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fe8070714d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fe80706b924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fe8070714d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fe80706b924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fe80706ec83 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fe8bfd94b2d in  () at /usr/lib/libQt5Core.so.5
#11 0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fe7ea03a700 (LWP 6364)):
#0  0x00007fe8bef4f3bd in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe8bfd9600c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe80706c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fe807071479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fe80706b924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fe8070714d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fe80706b924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fe80706ec83 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fe8bfd94b2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fe7eb0c2700 (LWP 6363)):
#0  0x00007fe8bef4f3bd in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe8bfd9600c in QWaitCondition::wait(QMutex*, unsigned long) () at
/usr/lib/libQt5Core.so.5
#2  0x00007fe80706c42f in
ThreadWeaver::Weaver::takeFirstAvailableJobOrSuspendOrWait(ThreadWeaver::Thread*,
bool, bool, bool) () at /usr/lib/libKF5ThreadWeaver.so.5
#3  0x00007fe807071479 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#4  0x00007fe80706b924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#5  0x00007fe8070714d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#6  0x00007fe80706b924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#7  0x00007fe8070714d2 in  () at /usr/lib/libKF5ThreadWeaver.so.5
#8  0x00007fe80706b924 in
ThreadWeaver::Weaver::applyForWork(ThreadWeaver::Thread*, bool) () at
/usr/lib/libKF5ThreadWeaver.so.5
#9  0x00007fe80706ec83 in ThreadWeaver::Thread::run() () at
/usr/lib/libKF5ThreadWeaver.so.5
#10 0x00007fe8bfd94b2d in  () at /usr/lib/libQt5Core.so.5
#11 0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#12 0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fe80e0d4700 (LWP 6278)):
#0  0x00007fe8bf68e3d8 in read () at /usr/lib/libc.so.6
#1  0x00007fe8b9f777d1 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe8b9f31ac8 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe8b9f31f96 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fe8b9f3210e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007fe8bffddb94 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fe8bff7fd0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007fe8bfd8f78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fe8c3b56bcb in  () at /usr/lib/libQt5Quick.so.5
#9  0x00007fe8bfd94b2d in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fe89bbe1700 (LWP 6265)):
#0  0x00007fe8bef4f3bd in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fe8c58aff77 in  () at /usr/lib/libQt5Script.so.5
#2  0x00007fe8c58affb9 in  () at /usr/lib/libQt5Script.so.5
#3  0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fe8a5d31700 (LWP 6253)):
#0  0x00007fe8b9f78b94 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe8b9f31fad in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe8b9f3210e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fe8bffddb94 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fe8bff7fd0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fe8bfd8f78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fe8c2f99a19 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007fe8bfd94b2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fe8a79d2700 (LWP 6249)):
#0  0x00007fe8b9f78b90 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007fe8b9f31509 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007fe8b9f31f1e in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007fe8b9f3210e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007fe8bffddb94 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007fe8bff7fd0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007fe8bfd8f78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007fe8c2f99a19 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007fe8bfd94b2d in  () at /usr/lib/libQt5Core.so.5
#9  0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fe8ad436700 (LWP 6239)):
#0  0x00007fe8bf69297b in poll () at /usr/lib/libc.so.6
#1  0x00007fe8b9f31ff3 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fe8b9f3210e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fe8bffddb94 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fe8bff7fd0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fe8bfd8f78e in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fe8c03ff416 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007fe8bfd94b2d in  () at /usr/lib/libQt5Core.so.5
#8  0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fe8af80e700 (LWP 6231)):
#0  0x00007fe8bf69297b in poll () at /usr/lib/libc.so.6
#1  0x00007fe8c47a58e0 in  () at /usr/lib/libxcb.so.1
#2  0x00007fe8c47a7679 in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fe8b1f977aa in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fe8bfd94b2d in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fe8bef4908c in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fe8bf69ce7f in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fe8c61e4800 (LWP 6201)):
[KCrash Handler]
#5  0x00007fe8bff8b007 in QMetaObject::cast(QObject const*) const () at
/usr/lib/libQt5Core.so.5
#6  0x00007fe898857ad2 in  () at
/usr/lib/qt/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#7  0x00007fe89885c9b2 in  () at
/usr/lib/qt/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#8  0x00007fe89885d4f6 in  () at
/usr/lib/qt/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#9  0x00007fe89885d7db in  () at
/usr/lib/qt/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#10 0x00007fe8c0788a35 in QWindow::event(QEvent*) () at /usr/lib/libQt5Gui.so.5
#11 0x00007fe8c3c39626 in QQuickWindow::event(QEvent*) () at
/usr/lib/libQt5Quick.so.5
#12 0x00007fe89885dc52 in  () at
/usr/lib/qt/qml/QtQuick/Controls/libqtquickcontrolsplugin.so
#13 0x00007fe8c0f85e3c in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#14 0x00007fe8c0f8d816 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#15 0x00007fe8bff816c0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#16 0x00007fe8c077c634 in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at /usr/lib/libQt5Gui.so.5
#17 0x00007fe8c077e186 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/libQt5Gui.so.5
#18 0x00007fe8c0755bbc in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/libQt5Gui.so.5
#19 0x00007fe8b201f2fd in  () at /usr/lib/libQt5XcbQpa.so.5
#20 0x00007fe8bff7fd0b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#21 0x00007fe8bff88ff8 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#22 0x000056337a8548d8 in  ()
#23 0x00007fe8bf5c7f4a in __libc_start_main () at /usr/lib/libc.so.6
#24 0x000056337a854c9a in _start ()

Reported using DrKonqi

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