https://bugs.kde.org/show_bug.cgi?id=416447

            Bug ID: 416447
           Summary: system settings crashed when I clicked on "All
                    settings"
           Product: systemsettings
           Version: 5.17.90
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: bugsefor...@gmx.com
  Target Milestone: ---

I opened system settings > global themes, clicked on "Download new global
themes",
clicked on "All settings" in the upper right corner and system settings
crashed.
However I can't reproduce consistently.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux 
KDE Plasma Version: 5.17.90
KDE Frameworks Version: 5.66.0
Qt Version: 5.14.0



Thread 14 (Thread 0x7f4dff7fe700 (LWP 18258)):
#0  0x00007f4e4539b9ef in poll () at /usr/lib/libc.so.6
#1  0x00007f4e418bd120 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4e418bd1f1 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f4e45956cc0 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f4df0000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f4e458fd39c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f4dff7fdd60, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f4e45722e62 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f4e45723fd6 in QThreadPrivate::start(void*) (arg=0x55cc060e6730) at
thread/qthread_unix.cpp:342
#7  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 13 (Thread 0x7f4dfffff700 (LWP 18257)):
#0  0x00007f4e43f8bf7a in pthread_cond_timedwait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f4e45729c48 in QWaitConditionPrivate::wait_relative(QDeadlineTimer)
(this=0x7f4e04006830, deadline=...) at thread/qwaitcondition_unix.cpp:136
#2  0x00007f4e45729c48 in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x7f4e04006830) at thread/qwaitcondition_unix.cpp:144
#3  0x00007f4e45729c48 in QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=<optimized out>, mutex=0x7f4e04006228, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#4  0x00007f4e45729d69 in QWaitCondition::wait(QMutex*, unsigned long)
(this=this@entry=0x7f4e04006510, mutex=mutex@entry=0x7f4e04006228,
time=<optimized out>) at thread/qwaitcondition_unix.cpp:209
#5  0x00007f4e457273dd in QThreadPoolThread::run() (this=0x7f4e04006500) at
../../include/QtCore/../../src/corelib/thread/qmutex.h:270
#6  0x00007f4e45723fd6 in QThreadPrivate::start(void*) (arg=0x7f4e04006500) at
thread/qthread_unix.cpp:342
#7  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7f4e0dfff700 (LWP 18254)):
#0  0x00007f4e4539b9ef in poll () at /usr/lib/libc.so.6
#1  0x00007f4e418bd120 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4e418bd1f1 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f4e45956cc0 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f4e08000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f4e458fd39c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f4e0dffed60, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f4e45722e62 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f4e45723fd6 in QThreadPrivate::start(void*) (arg=0x55cc06093a70) at
thread/qthread_unix.cpp:342
[m#7  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7f4e159fb700 (LWP 9885)):
#0  0x00007f4e4539b9ef in poll () at /usr/lib/libc.so.6
#1  0x00007f4e418bd120 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4e418bd1f1 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f4e45956cc0 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f4e10000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f4e458fd39c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f4e159fad40, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f4e45722e62 in QThread::exec() (this=this@entry=0x55cc00e3d850) at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f4e449c9249 in QQmlThreadPrivate::run() (this=0x55cc00e3d850) at
/tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.14.0/src/qml/qml/ftw/qqmlthread.cpp:155
#7  0x00007f4e45723fd6 in QThreadPrivate::start(void*) (arg=0x55cc00e3d850) at
thread/qthread_unix.cpp:342
#8  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f4e351be700 (LWP 9875)):
#0  0x00007f4e4539b9ef in poll () at /usr/lib/libc.so.6
#1  0x00007f4e418bd120 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4e418bd1f1 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f4e45956cc0 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f4e18000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f4e458fd39c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f4e351bdd40, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f4e45722e62 in QThread::exec() (this=this@entry=0x55cbf59df410) at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f4e449c9249 in QQmlThreadPrivate::run() (this=0x55cbf59df410) at
/tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.14.0/src/qml/qml/ftw/qqmlthread.cpp:155
#7  0x00007f4e45723fd6 in QThreadPrivate::start(void*) (arg=0x55cbf59df410) at
thread/qthread_unix.cpp:342
#8  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f4e377fe700 (LWP 9873)):
#0  0x00007f4e4534fb17 in __memset_erms () at /usr/lib/libc.so.6
#1  0x00007f4e43c4a5c5 in deflateReset () at /usr/lib/libz.so.1
#2  0x00007f4e43c4c28f in deflateInit_ () at /usr/lib/libz.so.1
#3  0x00007f4e3dc9cb0e in  () at /usr/lib/dri/i965_dri.so
#4  0x00007f4e3dca5e7c in  () at /usr/lib/dri/i965_dri.so
#5  0x00007f4e3dca59c8 in  () at /usr/lib/dri/i965_dri.so
#6  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#7  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f4e0c97d700 (LWP 18256)):
#0  0x00007f4e4539b9ef in poll () at /usr/lib/libc.so.6
#1  0x00007f4e418bd120 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4e418bd1f1 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f4e45956cc0 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f4e04000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f4e458fd39c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f4e0c97cd60, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f4e45722e62 in QThread::exec() (this=<optimized out>) at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f4e45723fd6 in QThreadPrivate::start(void*) (arg=0x55cc06098bc0) at
thread/qthread_unix.cpp:342
#7  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f4e36ffd700 (LWP 9874)):
#0  0x00007f4e4539b9ef in poll () at /usr/lib/libc.so.6
#1  0x00007f4e418bd120 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4e418bd1f1 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f4e45956cc0 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f4e24000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f4e458fd39c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f4e36ffcd40, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f4e45722e62 in QThread::exec() (this=this@entry=0x55cbf57abc40) at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f4e449c9249 in QQmlThreadPrivate::run() (this=0x55cbf57abc40) at
/tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.14.0/src/qml/qml/ftw/qqmlthread.cpp:155
#7  0x00007f4e45723fd6 in QThreadPrivate::start(void*) (arg=0x55cbf57abc40) at
thread/qthread_unix.cpp:342
#8  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f4e37fff700 (LWP 9872)):
#0  0x00007f4e43f8bc45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f4e3dca5dcc in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f4e3dca59c8 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f4e3cde3700 (LWP 9871)):
#0  0x00007f4e43f8bc45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f4e3dca5dcc in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f4e3dca59c8 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f4e3d5e4700 (LWP 9870)):
#0  0x00007f4e43f8bc45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f4e3dca5dcc in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f4e3dca59c8 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f4e3fbbc700 (LWP 9869)):
#0  0x00007f4e4539b9ef in poll () at /usr/lib/libc.so.6
#1  0x00007f4e418bd120 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f4e418bd1f1 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f4e45956cc0 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x7f4e38000b60, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#4  0x00007f4e458fd39c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7f4e3fbbbd30, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#5  0x00007f4e45722e62 in QThread::exec() (this=this@entry=0x7f4e45c2b080
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#6  0x00007f4e45ba6b28 in QDBusConnectionManager::run() (this=0x7f4e45c2b080
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
qdbusconnection.cpp:179
#7  0x00007f4e45723fd6 in QThreadPrivate::start(void*) (arg=0x7f4e45c2b080
<(anonymous namespace)::Q_QGS__q_manager::innerFunction()::holder>) at
thread/qthread_unix.cpp:342
#8  0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f4e40c8a100 (LWP 9829)):
#0  0x00007f4e43f8bc45 in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f4e45729cc4 in QWaitConditionPrivate::wait(QDeadlineTimer)
(deadline=..., this=0x55cc021895d0) at thread/qwaitcondition_unix.cpp:146
#2  0x00007f4e45729cc4 in QWaitCondition::wait(QMutex*, QDeadlineTimer)
(this=<optimized out>, mutex=0x55cc05ffab08, deadline=...) at
thread/qwaitcondition_unix.cpp:225
#3  0x00007f4e45729da2 in QWaitCondition::wait(QMutex*, unsigned long)
(this=0x55cc05ffab10, mutex=0x55cc05ffab08,
time=time@entry=18446744073709551615) at
../../include/QtCore/../../src/corelib/kernel/qdeadlinetimer.h:68
#4  0x00007f4e44d30507 in
QSGThreadedRenderLoop::polishAndSync(QSGThreadedRenderLoop::Window*, bool)
(this=this@entry=0x55cc0105a950, w=w@entry=0x55cc0621fbb0,
inExpose=inExpose@entry=true) at
/tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.14.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1544
#5  0x00007f4e44d3144b in QSGThreadedRenderLoop::handleExposure(QQuickWindow*)
(this=0x55cc0105a950, window=<optimized out>) at
/tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.14.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1321
#6  0x00007f4e44d31e7b in QSGThreadedRenderLoop::exposureChanged(QQuickWindow*)
(this=0x55cc0105a950, window=0x55cc01cb9df0) at
/tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.14.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:1216
#7  0x00007f4e45d6f69d in QWindow::event(QEvent*)
(this=this@entry=0x55cc01cb9df0, ev=ev@entry=0x7ffce1fe8670) at
kernel/qwindow.cpp:2359
#8  0x00007f4e44d98a63 in QQuickWindow::event(QEvent*) (this=0x55cc01cb9df0,
e=0x7ffce1fe8670) at
/tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.14.0/src/quick/items/qquickwindow.cpp:1773
#9  0x00007f4e4643a472 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
(this=this@entry=0x55cbf535dd00, receiver=receiver@entry=0x55cc01cb9df0,
e=e@entry=0x7ffce1fe8670) at kernel/qapplication.cpp:3693
#10 0x00007f4e46443c89 in QApplication::notify(QObject*, QEvent*)
(this=0x7ffce1fe8a30, receiver=0x55cc01cb9df0, e=0x7ffce1fe8670) at
kernel/qapplication.cpp:3439
#11 0x00007f4e458fe832 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
(receiver=0x55cc01cb9df0, event=0x7ffce1fe8670) at
../../include/QtCore/../../src/corelib/kernel/qobject.h:153
#12 0x00007f4e45d65682 in
QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*)
(e=0x55cc01d79ad0) at kernel/qguiapplication.cpp:3167
#13 0x00007f4e45d658c0 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
(e=e@entry=0x55cc01d79ad0) at kernel/qguiapplication.cpp:1988
#14 0x00007f4e45d3ec2c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(flags=...) at kernel/qwindowsysteminterface.cpp:1163
#15 0x00007f4e408a68a1 in userEventSourceDispatch(GSource*, GSourceFunc,
gpointer) (source=<optimized out>) at qeventdispatcher_glib.cpp:74
#16 0x00007f4e418bb39e in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#17 0x00007f4e418bd1b1 in  () at /usr/lib/libglib-2.0.so.0
#18 0x00007f4e418bd1f1 in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#19 0x00007f4e45956cc0 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>)
(this=0x55cbf53c4af0, flags=...) at kernel/qeventdispatcher_glib.cpp:423
#20 0x00007f4e458fd39c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>)
(this=this@entry=0x7ffce1fe8950, flags=..., flags@entry=...) at
../../include/QtCore/../../src/corelib/global/qflags.h:136
#21 0x00007f4e459053a6 in QCoreApplication::exec() () at
../../include/QtCore/../../src/corelib/global/qflags.h:118
#22 0x000055cbf39be475 in main(int, char**) (argc=<optimized out>,
argv=<optimized out>) at /usr/src/debug/systemsettings-5.17.90/app/main.cpp:71

Thread 1 (Thread 0x7f4e0d7fe700 (LWP 18255)):
#0  0x00007f4e40896e53 in wl_surface_damage (height=30, width=912, y=0, x=0,
wl_surface=Python Exception <class 'gdb.MemoryError'> Cannot access memory at
address 0x18: 
#1  0x00007f4e40896e53 in QtWayland::wl_surface::damage(int, int, int, int)
(this=0x10, x=0, y=0, width=912, height=30) at qwayland-wayland.cpp:1319
#2  0x00007f4e40871b89 in QtWaylandClient::QWaylandWindow::damage(QRect const&)
(this=<optimized out>, rect=...) at /usr/include/qt/QtCore/qrect.h:266
#3  0x00007f4e40883363 in
QtWaylandClient::QWaylandAbstractDecoration::contentImage()
(this=0x7f4e000058a0) at
/tmp/makepkg/qt5-wayland-debug/src/qtwayland-everywhere-src-5.14.0/src/client/qwaylandabstractdecoration.cpp:135
#4  0x00007f4e3e7ce9a7 in
QtWaylandClient::DecorationsBlitter::blit(QtWaylandClient::QWaylandEglWindow*)
(window=0x55cc061cfd70, this=<optimized out>) at
/tmp/makepkg/qt5-wayland-debug/src/qtwayland-everywhere-src-5.14.0/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp:204
#5  0x00007f4e3e7ce9a7 in
QtWaylandClient::QWaylandGLContext::swapBuffers(QPlatformSurface*)
(this=0x55cc062a16c0, surface=<optimized out>) at
/tmp/makepkg/qt5-wayland-debug/src/qtwayland-everywhere-src-5.14.0/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp:470
#6  0x00007f4e45da2072 in QOpenGLContext::swapBuffers(QSurface*)
(this=0x55cc0238c880, surface=<optimized out>) at
kernel/qopenglcontext.cpp:1112
#7  0x00007f4e44d2e3f5 in QSGRenderThread::syncAndRender(QImage*)
(this=0x55cc05ffaab0, grabImage=0x0) at
/tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.14.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:841
#8  0x00007f4e44d323d7 in QSGRenderThread::run() (this=0x55cc05ffaab0) at
/tmp/makepkg/qt5-declarative-debug/src/qtdeclarative-everywhere-src-5.14.0/src/quick/scenegraph/qsgthreadedrenderloop.cpp:980
#9  0x00007f4e45723fd6 in QThreadPrivate::start(void*) (arg=0x55cc05ffaab0) at
thread/qthread_unix.cpp:342
#10 0x00007f4e43f854cf in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f4e453a62d3 in clone () at /usr/lib/libc.so.6

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