https://bugs.kde.org/show_bug.cgi?id=415423

            Bug ID: 415423
           Summary: Plasma crashes after dragging file to virtual desktop
                    switcher
           Product: plasmashell
           Version: 5.17.4
          Platform: openSUSE RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: kdeuser@saur0n.science
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.17.4)

Qt Version: 5.13.1
Frameworks Version: 5.64.0
Operating System: Linux 5.3.12-1-default x86_64
Distribution: "openSUSE Tumbleweed"

-- Information about the crash:
- What I was doing when the application crashed:
Drag a file from Dolphin to a virtual desktop switcher widget on the taskbar.
Do not drop or release the mouse button, wait 2 seconds until Plasma crashes.
- Custom settings of the application:
Two virtual desktops are configured

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 0x7f6a29298800 (LWP 2448))]

Thread 8 (Thread 0x7f6a0332e700 (LWP 5269)):
#0  0x00007f6a15586db4 in pa_mainloop_poll () at /usr/lib64/libpulse.so.0
#1  0x00007f6a155874bf in pa_mainloop_iterate () at /usr/lib64/libpulse.so.0
#2  0x00007f6a15587570 in pa_mainloop_run () at /usr/lib64/libpulse.so.0
#3  0x00007f6a15595439 in  () at /usr/lib64/libpulse.so.0
#4  0x00007f6a1427ac78 in  () at /usr/lib64/pulseaudio/libpulsecommon-13.0.so
#5  0x00007f6a2aaf4f2a in start_thread () at /lib64/libpthread.so.0
#6  0x00007f6a2da874af in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f6a0d338700 (LWP 2635)):
#0  0x00007f6a2da7cbdf in poll () at /lib64/libc.so.6
#1  0x00007f6a29dc027e in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f6a29dc039f in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f6a2b66a98b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f6a2b6130cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f6a2b44b021 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f6a0db32698 in QIcon::QIcon()@plt () at /usr/lib64/libkcupslib.so
#7  0x0000556c59fe1e20 in  ()
#8  0x00007f6a2b449f77 in QThread::started(QThread::QPrivateSignal) () at
/usr/lib64/libQt5Core.so.5
#9  0x00007f6a2b44c1a2 in  () at /usr/lib64/libQt5Core.so.5
#10 0x00007f6a2aaf4f2a in start_thread () at /lib64/libpthread.so.0
#11 0x00007f6a2da874af in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f6a0ffff700 (LWP 2621)):
#0  0x00007f6a29dbfcaa in g_main_context_check () at
/usr/lib64/libglib-2.0.so.0
#1  0x00007f6a29dc0222 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f6a29dc039f in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f6a2b66a98b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f6a2b6130cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f6a2b44b021 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f6a2d0cb0c6 in  () at /usr/lib64/libQt5Quick.so.5
#7  0x00007f6a2b44c1a2 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f6a2aaf4f2a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f6a2da874af in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f6a1708e700 (LWP 2605)):
#0  0x00007f6a2aafb6a5 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f6a177110db in  () at /usr/lib64/dri/i965_dri.so
#2  0x00007f6a17710fd7 in  () at /usr/lib64/dri/i965_dri.so
#3  0x00007f6a2aaf4f2a in start_thread () at /lib64/libpthread.so.0
#4  0x00007f6a2da874af in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f6a2536a700 (LWP 2598)):
#0  0x00007f6a2da7cbdf in poll () at /lib64/libc.so.6
#1  0x00007f6a29dc027e in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f6a29dc039f in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f6a2b66a98b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f6a2b6130cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f6a2b44b021 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f6a2cddc3b5 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f6a2b44c1a2 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f6a2aaf4f2a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f6a2da874af in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f6a2662d700 (LWP 2466)):
#0  0x00007f6a2da7cbdf in poll () at /lib64/libc.so.6
#1  0x00007f6a29dc027e in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f6a29dc039f in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#3  0x00007f6a2b66a98b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#4  0x00007f6a2b6130cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#5  0x00007f6a2b44b021 in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f6a2bf424f6 in  () at /usr/lib64/libQt5DBus.so.5
#7  0x00007f6a2b44c1a2 in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f6a2aaf4f2a in start_thread () at /lib64/libpthread.so.0
#9  0x00007f6a2da874af in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f6a271df700 (LWP 2453)):
#0  0x00007f6a2da7cbdf in poll () at /lib64/libc.so.6
#1  0x00007f6a2d564742 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f6a2d5653fa in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f6a273bef90 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f6a2b44c1a2 in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f6a2aaf4f2a in start_thread () at /lib64/libpthread.so.0
#6  0x00007f6a2da874af in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f6a29298800 (LWP 2448)):
[KCrash Handler]
#6  0x00007f6a2b6535c6 in QVariant::toInt(bool*) const () at
/usr/lib64/libQt5Core.so.5
#7  0x00007f6a24075157 in  () at /usr/lib64/libtaskmanager.so.6
#8  0x00007f6a155c8ab1 in  () at
/usr/lib64/qt5/qml/org/kde/plasma/private/pager/libpagerplugin.so
#9  0x00007f6a155c9323 in  () at
/usr/lib64/qt5/qml/org/kde/plasma/private/pager/libpagerplugin.so
#10 0x00007f6a2cd815fd in  () at /usr/lib64/libQt5Qml.so.5
#11 0x00007f6a2cc74d6d in  () at /usr/lib64/libQt5Qml.so.5
#12 0x00007f6a2cc771a4 in  () at /usr/lib64/libQt5Qml.so.5
#13 0x00007f6a2cc77f8e in QV4::QObjectMethod::callInternal(QV4::Value const*,
QV4::Value const*, int) const () at /usr/lib64/libQt5Qml.so.5
#14 0x00007f6a2cc94a36 in  () at /usr/lib64/libQt5Qml.so.5
#15 0x00007f6a2cc96a0f in  () at /usr/lib64/libQt5Qml.so.5
#16 0x00007f6a2cc2462f in QV4::Function::call(QV4::Value const*, QV4::Value
const*, int, QV4::ExecutionContext const*) () at /usr/lib64/libQt5Qml.so.5
#17 0x00007f6a2cda9687 in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*) () at /usr/lib64/libQt5Qml.so.5
#18 0x00007f6a2cd4b04c in QQmlBoundSignalExpression::evaluate(void**) () at
/usr/lib64/libQt5Qml.so.5
#19 0x00007f6a2cd4c208 in  () at /usr/lib64/libQt5Qml.so.5
#20 0x00007f6a2cd8cebd in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () at /usr/lib64/libQt5Qml.so.5
#21 0x00007f6a2cd2bbad in QQmlData::signalEmitted(QAbstractDeclarativeData*,
QObject*, int, void**) () at /usr/lib64/libQt5Qml.so.5
#22 0x00007f6a2b63edcb in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib64/libQt5Core.so.5
#23 0x00007f6a2ce3791d in QQmlTimer::event(QEvent*) () at
/usr/lib64/libQt5Qml.so.5
#24 0x00007f6a2c1d3c62 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib64/libQt5Widgets.so.5
#25 0x00007f6a2c1dd1e0 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib64/libQt5Widgets.so.5
#26 0x00007f6a2b614562 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib64/libQt5Core.so.5
#27 0x00007f6a2b6171f8 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib64/libQt5Core.so.5
#28 0x00007f6a2b66b333 in  () at /usr/lib64/libQt5Core.so.5
#29 0x00007f6a29dbff88 in g_main_context_dispatch () at
/usr/lib64/libglib-2.0.so.0
#30 0x00007f6a29dc0310 in  () at /usr/lib64/libglib-2.0.so.0
#31 0x00007f6a29dc039f in g_main_context_iteration () at
/usr/lib64/libglib-2.0.so.0
#32 0x00007f6a2b66a971 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib64/libQt5Core.so.5
#33 0x00007f6a2b6130cb in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib64/libQt5Core.so.5
#34 0x00007f6a2b61ad32 in QCoreApplication::exec() () at
/usr/lib64/libQt5Core.so.5
#35 0x0000556c55e8a69b in  ()
#36 0x00007f6a2d9aee0b in __libc_start_main () at /lib64/libc.so.6
#37 0x0000556c55e8b2da in _start ()
[Inferior 1 (process 2448) detached]

Possible duplicates by query: bug 415394, bug 415386, bug 415370, bug 415356,
bug 415351.

Reported using DrKonqi

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