https://bugs.kde.org/show_bug.cgi?id=427900

            Bug ID: 427900
           Summary: Plasma crashes when attempting to configure "Thermal
                    Monitor" plugin
           Product: plasmashell
           Version: 5.18.5
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: k...@davidedmundson.co.uk
          Reporter: k...@thomasruch.com
                CC: plasma-b...@kde.org
  Target Milestone: 1.0

Application: plasmashell (5.18.5)

Qt Version: 5.13.2
Frameworks Version: 5.73.0
Operating System: Linux 5.8.11-100.fc31.x86_64 x86_64
Windowing system: X11
Distribution: Fedora 31 (Thirty One)

-- Information about the crash:
- What I was doing when the application crashed:
Right click on the thermal monitor plugin, select "Configure Thermal
Monitor..."  Crash.  1 in 10 times or so, it will load the setting screen. 
It's interactive for 5-10 seconds, then crashes plasma.

- Unusual behavior I noticed:
I saw a ghost window overlay at the bottom of the screen post-crash. It was
about 75% transparent, and the window wrapped from the right side of the
monitor to the left.  When I fired up the crash reporter, it disappeared and I
was left with my normal desktop wallpaper.

- Custom settings of the application:
Nothing special.  Just running the Breeze-Dark-Noir theme.  Also crashes with
the standard Breeze and Breeze-Dark, so I don't think it's theme related.

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 0x7f43f608e5c0 (LWP 32697))]

Thread 15 (Thread 0x7f437ebfe700 (LWP 87064)):
#0  0x00007f43f9270d45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f43f9df5943 in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55e41efec060) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>,
mutex=0x55e41f049120, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f43f9df59d1 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55e41f049128, mutex=mutex@entry=0x55e41f049120,
time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f43fba3f4e9 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55e41f049118) at scenegraph/qsgthreadedrenderloop.cpp:245
#5  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55e41f0490a0) at scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f43fba3f78d in QSGRenderThread::run() (this=0x55e41f0490a0) at
scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x55e41f0490a0) at
thread/qthread_unix.cpp:360
#8  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 14 (Thread 0x7f437dbfc700 (LWP 87056)):
#0  0x00007f43f862aabd in g_mutex_lock () at /lib64/libglib-2.0.so.0
#1  0x00007f43f85ddff5 in g_main_context_query () at /lib64/libglib-2.0.so.0
#2  0x00007f43f85de7e8 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#3  0x00007f43f85de9a3 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#4  0x00007f43f9ff48a3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f4374000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f43f9f9e23b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f437dbfbd80, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f43f9deecd5 in QThread::exec() (this=this@entry=0x55e41e08d060) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f43fb6c1399 in QQmlThreadPrivate::run() (this=0x55e41e08d060) at
qml/ftw/qqmlthread.cpp:152
#8  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x55e41e08d060) at
thread/qthread_unix.cpp:360
#9  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 13 (Thread 0x7f43937fe700 (LWP 35578)):
#0  0x00007f43f9270d45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f43f9df5943 in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55e41df2fd70) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>,
mutex=0x55e41ecfe0f0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f43f9df59d1 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55e41ecfe0f8, mutex=mutex@entry=0x55e41ecfe0f0,
time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f43fba3f4e9 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55e41ecfe0e8) at scenegraph/qsgthreadedrenderloop.cpp:245
#5  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55e41ecfe070) at scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f43fba3f78d in QSGRenderThread::run() (this=0x55e41ecfe070) at
scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x55e41ecfe070) at
thread/qthread_unix.cpp:360
#8  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 12 (Thread 0x7f43ae7c1700 (LWP 35370)):
#0  0x00007f43f9270d45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f43f9df5943 in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55e41f0a31f0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>,
mutex=0x55e41f5d8680, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f43f9df59d1 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55e41f5d8688, mutex=mutex@entry=0x55e41f5d8680,
time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f43fba3f4e9 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55e41f5d8678) at scenegraph/qsgthreadedrenderloop.cpp:245
#5  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55e41f5d8600) at scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f43fba3f78d in QSGRenderThread::run() (this=0x55e41f5d8600) at
scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x55e41f5d8600) at
thread/qthread_unix.cpp:360
#8  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 11 (Thread 0x7f4393fff700 (LWP 35328)):
#0  0x00007f43f9270d45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f43f9df5943 in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55e41deb7960) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>,
mutex=0x55e41de35260, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f43f9df59d1 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55e41de35268, mutex=mutex@entry=0x55e41de35260,
time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f43fba3f4e9 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55e41de35258) at scenegraph/qsgthreadedrenderloop.cpp:245
#5  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55e41de351e0) at scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f43fba3f78d in QSGRenderThread::run() (this=0x55e41de351e0) at
scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x55e41de351e0) at
thread/qthread_unix.cpp:360
#8  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 10 (Thread 0x7f43af37b700 (LWP 33388)):
#0  0x00007f43f9270d45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f43f9df5943 in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x7f43dc07b100) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>,
mutex=0x55e41d0c2d80, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f43f9df59d1 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55e41d0c2d88, mutex=mutex@entry=0x55e41d0c2d80,
time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f43fba3f4e9 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55e41d0c2d78) at scenegraph/qsgthreadedrenderloop.cpp:245
#5  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55e41d0c2d00) at scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f43fba3f78d in QSGRenderThread::run() (this=0x55e41d0c2d00) at
scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x55e41d0c2d00) at
thread/qthread_unix.cpp:360
#8  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 9 (Thread 0x7f43afd7c700 (LWP 32912)):
#0  0x00007f43f9270d45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f43f9df5943 in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55e41d607640) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>,
mutex=0x55e41d607620, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f43f9df59d1 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x55e41d607628, mutex=mutex@entry=0x55e41d607620,
time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f43fba3f4e9 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x55e41d607618) at scenegraph/qsgthreadedrenderloop.cpp:245
#5  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x55e41d6075a0) at scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f43fba3f78d in QSGRenderThread::run() (this=0x55e41d6075a0) at
scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x55e41d6075a0) at
thread/qthread_unix.cpp:360
#8  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 8 (Thread 0x7f43c8d93700 (LWP 32907)):
#0  0x00007f43f85dc943 in g_source_ref () at /lib64/libglib-2.0.so.0
#1  0x00007f43f85dc9e8 in g_source_iter_next () at /lib64/libglib-2.0.so.0
#2  0x00007f43f85de1cf in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f43f85de812 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4  0x00007f43f85de9a3 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5  0x00007f43f9ff48a3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f43b4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f43f9f9e23b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f43c8d92d60, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#7  0x00007f43f9deecd5 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#8  0x00007f43d015fd2c in KCupsConnection::run() () at /lib64/libkcupslib.so
#9  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x55e41d47cee0) at
thread/qthread_unix.cpp:360
#10 0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 7 (Thread 0x7f43d37fe700 (LWP 32899)):
#0  0x00007f43f9a63f9b in select () at /lib64/libc.so.6
#1  0x00007f43daff8952 in  () at /lib64/libnvidia-glcore.so.455.28
#2  0x00007f43daff37ac in  () at /lib64/libnvidia-glcore.so.455.28
#3  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#4  0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 6 (Thread 0x7f43d1859700 (LWP 32898)):
#0  0x00007f43f9270d45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/lib64/libpthread.so.0
#1  0x00007f43f9df5943 in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55e41c5a9bf0) at thread/qwaitcondition_unix.cpp:146
#2  QWaitCondition::wait(QMutex*, QDeadlineTimer) (this=<optimized out>,
mutex=0x7f43e40016e0, deadline=...) at thread/qwaitcondition_unix.cpp:225
#3  0x00007f43f9df59d1 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x7f43e40016e8, mutex=mutex@entry=0x7f43e40016e0,
time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f43fba3f4e9 in QSGRenderThreadEventQueue::takeEvent(bool)
(wait=true, this=0x7f43e40016d8) at scenegraph/qsgthreadedrenderloop.cpp:245
#5  QSGRenderThread::processEventsAndWaitForMore()
(this=this@entry=0x7f43e4001660) at scenegraph/qsgthreadedrenderloop.cpp:710
#6  0x00007f43fba3f78d in QSGRenderThread::run() (this=0x7f43e4001660) at
scenegraph/qsgthreadedrenderloop.cpp:739
#7  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x7f43e4001660) at
thread/qthread_unix.cpp:360
#8  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 5 (Thread 0x7f43d3fff700 (LWP 32890)):
#0  0x00007f43f85dc9ae in g_source_iter_next () at /lib64/libglib-2.0.so.0
#1  0x00007f43f85ddd23 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#2  0x00007f43f85de79b in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#3  0x00007f43f85de9a3 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#4  0x00007f43f9ff48a3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f43cc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#5  0x00007f43f9f9e23b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f43d3ffed60, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#6  0x00007f43f9deecd5 in QThread::exec() (this=this@entry=0x55e41ca6e3e0) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#7  0x00007f43fb9b40da in QQuickPixmapReader::run() (this=0x55e41ca6e3e0) at
util/qquickpixmapcache.cpp:962
#8  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x55e41ca6e3e0) at
thread/qthread_unix.cpp:360
#9  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#10 0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7f43e2dee700 (LWP 32810)):
#0  0x00007f43f9a5d43c in read () at /lib64/libc.so.6
#1  0x00007f43f86265af in g_wakeup_acknowledge () at /lib64/libglib-2.0.so.0
#2  0x00007f43f85de3b7 in g_main_context_check () at /lib64/libglib-2.0.so.0
#3  0x00007f43f85de812 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#4  0x00007f43f85de9a3 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#5  0x00007f43f9ff48a3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f43d4000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#6  0x00007f43f9f9e23b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f43e2dedd80, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#7  0x00007f43f9deecd5 in QThread::exec() (this=this@entry=0x55e41c2b0340) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#8  0x00007f43fb6c1399 in QQmlThreadPrivate::run() (this=0x55e41c2b0340) at
qml/ftw/qqmlthread.cpp:152
#9  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x55e41c2b0340) at
thread/qthread_unix.cpp:360
#10 0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#11 0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7f43e3fff700 (LWP 32732)):
#0  0x00007f43f9a61a5f in poll () at /lib64/libc.so.6
#1  0x00007f43f85de86e in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#2  0x00007f43f85de9a3 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#3  0x00007f43f9ff48a3 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f43dc000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:425
#4  0x00007f43f9f9e23b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f43e3ffed70, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#5  0x00007f43f9deecd5 in QThread::exec() (this=this@entry=0x7f43faff5060
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#6  0x00007f43faf71f6a in QDBusConnectionManager::run() (this=0x7f43faff5060
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:178
#7  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x7f43faff5060
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:360
#8  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f43e8d77700 (LWP 32725)):
#0  0x00007f43f9a61a5f in poll () at /lib64/libc.so.6
#1  0x00007f43fbe4d38a in _xcb_conn_wait () at /lib64/libxcb.so.1
#2  0x00007f43fbe4efea in xcb_wait_for_event () at /lib64/libxcb.so.1
#3  0x00007f43e8f5cd48 in QXcbEventQueue::run() (this=0x55e41c0ccd20) at
qxcbeventqueue.cpp:228
#4  0x00007f43f9defe26 in QThreadPrivate::start(void*) (arg=0x55e41c0ccd20) at
thread/qthread_unix.cpp:360
#5  0x00007f43f926a4e2 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f43f9a6c6c3 in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f43f608e5c0 (LWP 32697)):
[KCrash Handler]
#4  0x00007f43fb70cbd8 in
qDeleteAll<QList<QQDMIncubationTask*>::const_iterator>(QList<QQDMIncubationTask*>::const_iterator,
QList<QQDMIncubationTask*>::const_iterator) (end=..., begin=...) at
/usr/include/qt5/QtCore/qalgorithms.h:319
#5  qDeleteAll<QList<QQDMIncubationTask*> >(QList<QQDMIncubationTask*> const&)
(c=...) at /usr/include/qt5/QtCore/qalgorithms.h:328
#6  QQmlDelegateModel::event(QEvent*) (this=0x55e4211841e0, e=0x55e420374cd0)
at types/qqmldelegatemodel.cpp:1215
#7  0x00007f43fa96eab6 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x55e41c09ce80, receiver=receiver@entry=0x55e4211841e0,
e=e@entry=0x55e420374cd0) at kernel/qapplication.cpp:3703
#8  0x00007f43fa978150 in QApplication::notify(QObject*, QEvent*)
(this=0x7fff7bbe4580, receiver=0x55e4211841e0, e=0x55e420374cd0) at
kernel/qapplication.cpp:3449
#9  0x00007f43f9f9f448 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55e4211841e0, event=0x55e420374cd0) at
kernel/qcoreapplication.cpp:1095
#10 0x00007f43f9fa248b in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) (receiver=0x0, event_type=0, data=0x55e41c0a2bb0) at
kernel/qcoreapplication.cpp:1840
#11 0x00007f43f9ff4af7 in postEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (s=0x55e41c1716f0) at kernel/qeventdispatcher_glib.cpp:277
#12 0x00007f43f85de570 in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#13 0x00007f43f85de900 in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#14 0x00007f43f85de9a3 in g_main_context_iteration () at
/lib64/libglib-2.0.so.0
#15 0x00007f43f9ff4885 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55e41c172480, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#16 0x00007f43f9f9e23b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7fff7bbe4440, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:140
#17 0x00007f43f9fa6116 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:120
#18 0x000055e41ac95b95 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at
/usr/src/debug/plasma-workspace-5.18.5-2.fc31.x86_64/shell/main.cpp:228
[Inferior 1 (process 32697) detached]

Possible duplicates by query: bug 427827, bug 427823, bug 427822, bug 427776,
bug 427765.

Reported using DrKonqi

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