https://bugs.kde.org/show_bug.cgi?id=401310

            Bug ID: 401310
           Summary: System Settings crash when I download new Themes
           Product: systemsettings
           Version: 5.14.3
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: timothycapt...@outlook.com
  Target Milestone: ---

Application: systemsettings5 (5.14.3)

Qt Version: 5.11.2
Frameworks Version: 5.52.0
Operating System: Linux 4.19.2-arch1-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:

I just try to download some icon theme, then it crashed; when I try to download
window decoration themes, it crashed too...

The crash can be reproduced sometimes.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7fb9b8e3bcc0 (LWP 26420))]

Thread 13 (Thread 0x7fb985fee700 (LWP 26454)):
#0  0x00007fb9be6a5c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fb9bc267ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb9bc267fce in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fb9bebccfe4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fb9beb788cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fb9be9c1eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb9be9cbf65 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 12 (Thread 0x7fb9867ef700 (LWP 26452)):
[KCrash Handler]
#6  0x00007fb9bd825ca4 in  () at /usr/lib/libQt5Network.so.5
#7  0x00007fb9bd82459b in  () at /usr/lib/libQt5Network.so.5
#8  0x00007fb9beba4352 in QObject::event(QEvent*) () at
/usr/lib/libQt5Core.so.5
#9  0x00007fb9bf584e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#10 0x00007fb9bf58c6e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#11 0x00007fb9beb79c39 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#12 0x00007fb9beb7cccc in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#13 0x00007fb9bebcd9d4 in  () at /usr/lib/libQt5Core.so.5
#14 0x00007fb9bc2663cf in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#15 0x00007fb9bc267f89 in  () at /usr/lib/libglib-2.0.so.0
#16 0x00007fb9bc267fce in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#17 0x00007fb9bebccfc9 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#18 0x00007fb9beb788cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#19 0x00007fb9be9c1eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#20 0x00007fb9be9cbf65 in  () at /usr/lib/libQt5Core.so.5
#21 0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#22 0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 11 (Thread 0x7fb987155700 (LWP 26451)):
#0  0x00007fb9be6a5c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fb9bc267ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb9bc267fce in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fb9bebccfe4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007fb9beb788cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007fb9be9c1eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007fb9be9cbf65 in  () at /usr/lib/libQt5Core.so.5
#7  0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7fb999b2d700 (LWP 26440)):
#0  0x00007fb9be6a17a4 in read () at /usr/lib/libc.so.6
#1  0x00007fb9bc216781 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb9bc266a50 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb9bc267e86 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb9bc267fce in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007fb9bebccfe4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fb9beb788cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007fb9be9c1eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fb9bddc7859 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fb9be9cbf65 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7fb987d56700 (LWP 26434)):
#0  0x00007fb99826e81d in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#1  0x00007fb99826f22e in pa_fdsem_before_poll () at
/usr/lib/pulseaudio/libpulsecommon-12.2.so
#2  0x00007fb998287558 in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#3  0x00007fb9984e9d18 in pa_mainloop_dispatch () at /usr/lib/libpulse.so.0
#4  0x00007fb9984e9fef in pa_mainloop_iterate () at /usr/lib/libpulse.so.0
#5  0x00007fb9984ea091 in pa_mainloop_run () at /usr/lib/libpulse.so.0
#6  0x00007fb9984f85ae in  () at /usr/lib/libpulse.so.0
#7  0x00007fb9982979fc in  () at /usr/lib/pulseaudio/libpulsecommon-12.2.so
#8  0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7fb99a32e700 (LWP 26430)):
#0  0x00007fb9be6a5c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fb9bc267ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb9bc268f62 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb99ac56c28 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007fb9bc2313eb in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7fb99ab2f700 (LWP 26429)):
#0  0x00007fb9be6a5c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fb9bc267ee0 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb9bc267fce in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007fb9bc268022 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb9bc2313eb in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7fb9ad69b700 (LWP 26428)):
#0  0x00007fb9be6a17a4 in read () at /usr/lib/libc.so.6
#1  0x00007fb9bc216781 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb9bc266a50 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb9bc267e86 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb9bc267fce in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007fb9bebccfe4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fb9beb788cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007fb9be9c1eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fb9bddc7859 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fb9be9cbf65 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7fb9aed05700 (LWP 26426)):
#0  0x00007fb9be6a17a4 in read () at /usr/lib/libc.so.6
#1  0x00007fb9bc216781 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb9bc266a50 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb9bc267e86 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb9bc267fce in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007fb9bebccfe4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fb9beb788cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007fb9be9c1eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fb9bddc7859 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007fb9be9cbf65 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7fb9af5d3700 (LWP 26424)):
#0  0x00007fb9bcf5eafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fb9af8221ac in  () at /usr/lib/dri/i965_dri.so
#2  0x00007fb9af821ee8 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7fb9b5e55700 (LWP 26423)):
#0  0x00007fb9be6a17a4 in read () at /usr/lib/libc.so.6
#1  0x00007fb9bc216781 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007fb9bc266a50 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007fb9bc267e86 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007fb9bc267fce in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007fb9bebccfe4 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007fb9beb788cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007fb9be9c1eb9 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007fb9bee1eba6 in  () at /usr/lib/libQt5DBus.so.5
#9  0x00007fb9be9cbf65 in  () at /usr/lib/libQt5Core.so.5
#10 0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7fb9b778c700 (LWP 26422)):
#0  0x00007fb9be6a5c21 in poll () at /usr/lib/libc.so.6
#1  0x00007fb9bcf19630 in  () at /usr/lib/libxcb.so.1
#2  0x00007fb9bcf1b2db in xcb_wait_for_event () at /usr/lib/libxcb.so.1
#3  0x00007fb9b84ffc5a in  () at /usr/lib/libQt5XcbQpa.so.5
#4  0x00007fb9be9cbf65 in  () at /usr/lib/libQt5Core.so.5
#5  0x00007fb9bcf58a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007fb9be6b0b23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7fb9b8e3bcc0 (LWP 26420)):
#0  0x00007fb9bcf5eafc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007fb9bcf1983b in  () at /usr/lib/libxcb.so.1
#2  0x00007fb9bcf1afef in  () at /usr/lib/libxcb.so.1
#3  0x00007fb9bcf1b103 in xcb_wait_for_reply () at /usr/lib/libxcb.so.1
#4  0x00007fb9b84fe14c in QXcbConnection::sync() () at
/usr/lib/libQt5XcbQpa.so.5
#5  0x00007fb9b851fcbc in  () at /usr/lib/libQt5XcbQpa.so.5
#6  0x00007fb9b851fdb0 in  () at /usr/lib/libQt5XcbQpa.so.5
#7  0x00007fb9bf140996 in QBackingStore::beginPaint(QRegion const&) () at
/usr/lib/libQt5Gui.so.5
#8  0x00007fb9bf59440d in  () at /usr/lib/libQt5Widgets.so.5
#9  0x00007fb9bf594829 in  () at /usr/lib/libQt5Widgets.so.5
#10 0x00007fb9bf5abf77 in QWidgetPrivate::syncBackingStore() () at
/usr/lib/libQt5Widgets.so.5
#11 0x00007fb9bf5c4799 in QWidget::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#12 0x00007fb9bf584e14 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#13 0x00007fb9bf58c6e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#14 0x00007fb9beb79c39 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#15 0x00007fb9beb7cccc in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () at /usr/lib/libQt5Core.so.5
#16 0x00007fb9bebcd9d4 in  () at /usr/lib/libQt5Core.so.5
#17 0x00007fb9bc2663cf in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#18 0x00007fb9bc267f89 in  () at /usr/lib/libglib-2.0.so.0
#19 0x00007fb9bc267fce in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#20 0x00007fb9bebccfc9 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#21 0x00007fb9b8595da2 in  () at /usr/lib/libQt5XcbQpa.so.5
#22 0x00007fb9beb788cc in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#23 0x00007fb9beb80bc6 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#24 0x000055b9f538e465 in  ()
#25 0x00007fb9be5d9223 in __libc_start_main () at /usr/lib/libc.so.6
#26 0x000055b9f538e4ee in _start ()
[Inferior 1 (process 26420) detached]

Reported using DrKonqi

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