https://bugs.kde.org/show_bug.cgi?id=424243

            Bug ID: 424243
           Summary: System Settings Crash on GTK2 blank theme deletion and
                    cannot select GTK2 theme
           Product: systemsettings
           Version: 5.18.5
          Platform: Fedora RPMs
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: [email protected]
          Reporter: [email protected]
  Target Milestone: ---

Application: systemsettings5 (5.18.5)

Qt Version: 5.14.2
Frameworks Version: 5.70.0
Operating System: Linux 5.7.8-200.fc32.x86_64 x86_64
Windowing system: X11
Distribution: Fedora 32 (KDE Plasma)

-- Information about the crash:
- What I was doing when the application crashed: I went to System Settings >
Application Style > Configure GNOME/GTK Application Style and when I get there,
nothing is selected next to GTK2 Theme, I choose Adwaita-dark, go out and back
in and its blank again (all GNOME/GTK applications are loading Adwaita (not
dark) ). However, when its blank, it also gives me a trashcan icon, I click the
trashcan to delete it and it crashes.

- Unusual behavior I noticed: GNOME/GTK applications are choosing Adwaita
instead of Adwaita-dark, even when I manually select it in the above screen,
also giving me the option to delete "nothing" next to GTK2 theme.

The crash can be reproduced every time.

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f33cadd0f80 (LWP 4305))]

Thread 26 (Thread 0x7f3347783700 (LWP 4344)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7f3358a0b700 (LWP 4343)):
#0  0x00007f33cf1e757c in read () from /lib64/libc.so.6
#1  0x00007f33cd58253f in g_wakeup_acknowledge () from /lib64/libglib-2.0.so.0
#2  0x00007f33cd53860e in g_main_context_check () from /lib64/libglib-2.0.so.0
#3  0x00007f33cd538a75 in g_main_context_iterate.constprop () from
/lib64/libglib-2.0.so.0
#4  0x00007f33cd538c03 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#5  0x00007f33cf755b8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#6  0x00007f33cf70891b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#7  0x00007f33cf574427 in QThread::exec() () from /lib64/libQt5Core.so.5
#8  0x00007f33ce8561e9 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#9  0x00007f33cf575690 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#10 0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7f3359b3f700 (LWP 4330)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7f335a9fe700 (LWP 4329)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7f335bfff700 (LWP 4328)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7f3370dcb700 (LWP 4327)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7f33721ed700 (LWP 4325)):
#0  0x00007f33cf1ebb6f in poll () from /lib64/libc.so.6
#1  0x00007f33cd538ace in g_main_context_iterate.constprop () from
/lib64/libglib-2.0.so.0
#2  0x00007f33cd538c03 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007f33cf755b8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007f33cf70891b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007f33cf574427 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f33ce8561e9 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#7  0x00007f33cf575690 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7f33737fe700 (LWP 4324)):
#0  0x00007f33cf1ebb6f in poll () from /lib64/libc.so.6
#1  0x00007f33cd538ace in g_main_context_iterate.constprop () from
/lib64/libglib-2.0.so.0
#2  0x00007f33cd538c03 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007f33cf755b8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007f33cf70891b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007f33cf574427 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f33ce8561e9 in QQmlThreadPrivate::run() () from
/lib64/libQt5Qml.so.5
#7  0x00007f33cf575690 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7f3373fff700 (LWP 4323)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7f3390ff9700 (LWP 4322)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7f33917fa700 (LWP 4321)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7f3391ffb700 (LWP 4320)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 14 (Thread 0x7f33927fc700 (LWP 4319)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 13 (Thread 0x7f3392ffd700 (LWP 4318)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 12 (Thread 0x7f33937fe700 (LWP 4317)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7f3393fff700 (LWP 4316)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7f33a8a98700 (LWP 4315)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7f33a9299700 (LWP 4314)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7f33a9a9a700 (LWP 4313)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7f33aa29b700 (LWP 4312)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7f33aaa9c700 (LWP 4311)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7f33ab29d700 (LWP 4310)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7f33b58c5700 (LWP 4309)):
#0  0x00007f33cdebae92 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib64/libpthread.so.0
#1  0x00007f33b5eb8deb in util_queue_thread_func () from
/usr/lib64/dri/radeonsi_dri.so
#2  0x00007f33b5eb885b in impl_thrd_routine () from
/usr/lib64/dri/radeonsi_dri.so
#3  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#4  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7f33bcc68700 (LWP 4308)):
#0  0x00007f33cf1ebb6f in poll () from /lib64/libc.so.6
#1  0x00007f33cd538ace in g_main_context_iterate.constprop () from
/lib64/libglib-2.0.so.0
#2  0x00007f33cd538c03 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#3  0x00007f33cf755b8b in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#4  0x00007f33cf70891b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#5  0x00007f33cf574427 in QThread::exec() () from /lib64/libQt5Core.so.5
#6  0x00007f33cf9e351b in QDBusConnectionManager::run() () from
/lib64/libQt5DBus.so.5
#7  0x00007f33cf575690 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#8  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#9  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7f33bdafb700 (LWP 4307)):
#0  0x00007f33cf1ebb6f in poll () from /lib64/libc.so.6
#1  0x00007f33cde7138a in _xcb_conn_wait () from /lib64/libxcb.so.1
#2  0x00007f33cde7371a in xcb_wait_for_event () from /lib64/libxcb.so.1
#3  0x00007f33bdcdec78 in QXcbEventQueue::run() () from
/lib64/libQt5XcbQpa.so.5
#4  0x00007f33cf575690 in QThreadPrivate::start(void*) () from
/lib64/libQt5Core.so.5
#5  0x00007f33cdeb4432 in start_thread () from /lib64/libpthread.so.0
#6  0x00007f33cf1f69d3 in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7f33cadd0f80 (LWP 4305)):
[KCrash Handler]
#4  0x00007f339002e9da in GtkThemesModel::themePath(QString const&) () from
/usr/lib64/qt5/plugins/kcms/kcm_style.so
#5  0x00007f339002eae0 in GtkThemesModel::removeSelectedTheme() () from
/usr/lib64/qt5/plugins/kcms/kcm_style.so
#6  0x00007f339001b2d3 in GtkThemesModel::qt_metacall(QMetaObject::Call, int,
void**) () from /usr/lib64/qt5/plugins/kcms/kcm_style.so
#7  0x00007f33ce7ff625 in QQmlObjectOrGadget::metacall(QMetaObject::Call, int,
void**) const () from /lib64/libQt5Qml.so.5
#8  0x00007f33ce6f52f8 in CallPrecise(QQmlObjectOrGadget const&,
QQmlPropertyData const&, QV4::ExecutionEngine*, QV4::CallData*,
QMetaObject::Call) () from /lib64/libQt5Qml.so.5
#9  0x00007f33ce6f77e2 in QV4::QObjectMethod::callInternal(QV4::Value const*,
QV4::Value const*, int) const () from /lib64/libQt5Qml.so.5
#10 0x00007f33ce712abb in QV4::Moth::VME::interpret(QV4::CppStackFrame*,
QV4::ExecutionEngine*, char const*) () from /lib64/libQt5Qml.so.5
#11 0x00007f33ce7155e7 in QV4::Moth::VME::exec(QV4::CppStackFrame*,
QV4::ExecutionEngine*) () from /lib64/libQt5Qml.so.5
#12 0x00007f33ce6b25ad in QV4::Function::call(QV4::Value const*, QV4::Value
const*, int, QV4::ExecutionContext const*) () from /lib64/libQt5Qml.so.5
#13 0x00007f33ce819465 in QQmlJavaScriptExpression::evaluate(QV4::CallData*,
bool*) () from /lib64/libQt5Qml.so.5
#14 0x00007f33ce7d0acb in QQmlBoundSignalExpression::evaluate(void**) () from
/lib64/libQt5Qml.so.5
#15 0x00007f33ce7d0fa8 in QQmlBoundSignal_callback(QQmlNotifierEndpoint*,
void**) () from /lib64/libQt5Qml.so.5
#16 0x00007f33ce7ff0cd in QQmlNotifier::emitNotify(QQmlNotifierEndpoint*,
void**) () from /lib64/libQt5Qml.so.5
#17 0x00007f33cf738ee2 in void doActivate<false>(QObject*, int, void**) () from
/lib64/libQt5Core.so.5
#18 0x00007f33bcf1e421 in QQuickAbstractButtonPrivate::handleRelease(QPointF
const&) () from /lib64/libQt5QuickTemplates2.so.5
#19 0x00007f33bcf3b459 in QQuickControl::mouseReleaseEvent(QMouseEvent*) ()
from /lib64/libQt5QuickTemplates2.so.5
#20 0x00007f33cebfbf78 in QQuickItem::event(QEvent*) () from
/lib64/libQt5Quick.so.5
#21 0x00007f33d0130063 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#22 0x00007f33cf709fc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#23 0x00007f33cec167e4 in
QQuickWindowPrivate::deliverMouseEvent(QQuickPointerMouseEvent*) () from
/lib64/libQt5Quick.so.5
#24 0x00007f33cec17b1b in
QQuickWindowPrivate::deliverPointerEvent(QQuickPointerEvent*) () from
/lib64/libQt5Quick.so.5
#25 0x00007f33cfb82505 in QWindow::event(QEvent*) () from /lib64/libQt5Gui.so.5
#26 0x00007f33d0130063 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#27 0x00007f33cf709fc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#28 0x00007f33cef28a0b in QQuickWidget::mouseReleaseEvent(QMouseEvent*) () from
/lib64/libQt5QuickWidgets.so.5
#29 0x00007f33d017136e in QWidget::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#30 0x00007f33d0130063 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#31 0x00007f33d0135891 in QApplication::notify(QObject*, QEvent*) () from
/lib64/libQt5Widgets.so.5
#32 0x00007f33cf709fc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#33 0x00007f33d013478a in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
from /lib64/libQt5Widgets.so.5
#34 0x00007f33d0189f82 in QWidgetWindow::handleMouseEvent(QMouseEvent*) () from
/lib64/libQt5Widgets.so.5
#35 0x00007f33d018cdde in QWidgetWindow::event(QEvent*) () from
/lib64/libQt5Widgets.so.5
#36 0x00007f33d0130063 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib64/libQt5Widgets.so.5
#37 0x00007f33cf709fc0 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib64/libQt5Core.so.5
#38 0x00007f33cfb7716b in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() from /lib64/libQt5Gui.so.5
#39 0x00007f33cfb5915b in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib64/libQt5Gui.so.5
#40 0x00007f33bdcdfc9e in xcbSourceDispatch(_GSource*, int (*)(void*), void*)
() from /lib64/libQt5XcbQpa.so.5
#41 0x00007f33cd5387af in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#42 0x00007f33cd538b38 in g_main_context_iterate.constprop () from
/lib64/libglib-2.0.so.0
#43 0x00007f33cd538c03 in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#44 0x00007f33cf755b73 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib64/libQt5Core.so.5
#45 0x00007f33cf70891b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib64/libQt5Core.so.5
#46 0x00007f33cf7105a6 in QCoreApplication::exec() () from
/lib64/libQt5Core.so.5
#47 0x00005634bbb1f884 in main ()
[Inferior 1 (process 4305) detached]

Possible duplicates by query: bug 421259.

Reported using DrKonqi

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