https://bugs.kde.org/show_bug.cgi?id=403979

            Bug ID: 403979
           Summary: System Settings crashed when saving QTCurve theme
                    config
           Product: systemsettings
           Version: 5.14.5
          Platform: Archlinux Packages
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: teamomivida2...@gmail.com
  Target Milestone: ---

Application: systemsettings5 (5.14.5)

Qt Version: 5.12.1
Frameworks Version: 5.54.0
Operating System: Linux 4.20.6-arch1-1-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I made a change to the QTCurve theme config, an saved.
- Custom settings of the application:
Using QTCurve transparent panel theme.

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 0x7f10d24a9040 (LWP 10816))]

Thread 11 (Thread 0x7f10a153c700 (LWP 10864)):
#0  0x00007f10d54e2cd7 in  () at /usr/lib/libglib-2.0.so.0
#1  0x00007f10d54e3d3b in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007f10d54e4466 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f10d54e462e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007f10d7f66d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007f10d7f0fb2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007f10d7d53569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f10d70e6969 in  () at /usr/lib/libQt5Qml.so.5
#8  0x00007f10d7d5496c in  () at /usr/lib/libQt5Core.so.5
#9  0x00007f10d6202a9d in start_thread () at /usr/lib/libpthread.so.0
#10 0x00007f10d7a3eb23 in clone () at /usr/lib/libc.so.6

Thread 10 (Thread 0x7f10a0d3b700 (LWP 10837)):
#0  0x00007f10d5492424 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f10d54e3da1 in g_main_context_prepare () at
/usr/lib/libglib-2.0.so.0
#2  0x00007f10d54e4466 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f10d54e462e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007f10d7f66d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007f10d7f0fb2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007f10d7d53569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f10d7d5496c in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f10d6202a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f10d7a3eb23 in clone () at /usr/lib/libc.so.6

Thread 9 (Thread 0x7f10a1d3d700 (LWP 10830)):
#0  0x00007f10d7a33c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f10d54e4540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f10d54e462e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f10d7f66d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f10d7f0fb2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f10d7d53569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f10d7d5496c in  () at /usr/lib/libQt5Core.so.5
#7  0x00007f10d6202a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f10d7a3eb23 in clone () at /usr/lib/libc.so.6

Thread 8 (Thread 0x7f10a27a8700 (LWP 10829)):
#0  0x00007f10d5492424 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f10d54e27ab in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#2  0x00007f10d54e45e9 in  () at /usr/lib/libglib-2.0.so.0
#3  0x00007f10d54e462e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#4  0x00007f10d7f66d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#5  0x00007f10d7f0fb2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#6  0x00007f10d7d53569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#7  0x00007f10d7d5496c in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f10d6202a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f10d7a3eb23 in clone () at /usr/lib/libc.so.6

Thread 7 (Thread 0x7f10b58fc700 (LWP 10826)):
#0  0x00007f10d7a33c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f10d54e4540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f10d54e55c2 in g_main_loop_run () at /usr/lib/libglib-2.0.so.0
#3  0x00007f10b620bcb8 in  () at /usr/lib/libgio-2.0.so.0
#4  0x00007f10d54bf67b in  () at /usr/lib/libglib-2.0.so.0
#5  0x00007f10d6202a9d in start_thread () at /usr/lib/libpthread.so.0
#6  0x00007f10d7a3eb23 in clone () at /usr/lib/libc.so.6

Thread 6 (Thread 0x7f10b60fd700 (LWP 10825)):
#0  0x00007f10d7a2f7a4 in read () at /usr/lib/libc.so.6
#1  0x00007f10d5492971 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f10d54e30b0 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f10d54e44e6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f10d54e462e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007f10d54e4682 in  () at /usr/lib/libglib-2.0.so.0
#6  0x00007f10d54bf67b in  () at /usr/lib/libglib-2.0.so.0
#7  0x00007f10d6202a9d in start_thread () at /usr/lib/libpthread.so.0
#8  0x00007f10d7a3eb23 in clone () at /usr/lib/libc.so.6

Thread 5 (Thread 0x7f10c0b2a700 (LWP 10824)):
#0  0x00007f10d7a33c21 in poll () at /usr/lib/libc.so.6
#1  0x00007f10d54e4540 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f10d54e462e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f10d7f66d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f10d7f0fb2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f10d7d53569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f10d70e6969 in  () at /usr/lib/libQt5Qml.so.5
#7  0x00007f10d7d5496c in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f10d6202a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f10d7a3eb23 in clone () at /usr/lib/libc.so.6

Thread 4 (Thread 0x7f10c2c01700 (LWP 10822)):
#0  0x00007f10d7a2f7a4 in read () at /usr/lib/libc.so.6
#1  0x00007f10d5492971 in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f10d54e30b0 in g_main_context_check () at /usr/lib/libglib-2.0.so.0
#3  0x00007f10d54e44e6 in  () at /usr/lib/libglib-2.0.so.0
#4  0x00007f10d54e462e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#5  0x00007f10d7f66d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#6  0x00007f10d7f0fb2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#7  0x00007f10d7d53569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#8  0x00007f10d70e6969 in  () at /usr/lib/libQt5Qml.so.5
#9  0x00007f10d7d5496c in  () at /usr/lib/libQt5Core.so.5
#10 0x00007f10d6202a9d in start_thread () at /usr/lib/libpthread.so.0
#11 0x00007f10d7a3eb23 in clone () at /usr/lib/libc.so.6

Thread 3 (Thread 0x7f10c8bc5700 (LWP 10820)):
#0  0x00007f10d6208afc in pthread_cond_wait@@GLIBC_2.3.2 () at
/usr/lib/libpthread.so.0
#1  0x00007f10c91b4be4 in  () at /usr/lib/dri/i965_dri.so
#2  0x00007f10c91b4908 in  () at /usr/lib/dri/i965_dri.so
#3  0x00007f10d6202a9d in start_thread () at /usr/lib/libpthread.so.0
#4  0x00007f10d7a3eb23 in clone () at /usr/lib/libc.so.6

Thread 2 (Thread 0x7f10cb485700 (LWP 10819)):
#0  0x00007f10d5492424 in g_mutex_unlock () at /usr/lib/libglib-2.0.so.0
#1  0x00007f10d54e44fd in  () at /usr/lib/libglib-2.0.so.0
#2  0x00007f10d54e462e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#3  0x00007f10d7f66d04 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#4  0x00007f10d7f0fb2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#5  0x00007f10d7d53569 in QThread::exec() () at /usr/lib/libQt5Core.so.5
#6  0x00007f10d81daba6 in  () at /usr/lib/libQt5DBus.so.5
#7  0x00007f10d7d5496c in  () at /usr/lib/libQt5Core.so.5
#8  0x00007f10d6202a9d in start_thread () at /usr/lib/libpthread.so.0
#9  0x00007f10d7a3eb23 in clone () at /usr/lib/libc.so.6

Thread 1 (Thread 0x7f10d24a9040 (LWP 10816)):
[KCrash Handler]
#6  0x00007f10d837fb15 in QWindow::destroy() () at /usr/lib/libQt5Gui.so.5
#7  0x00007f10d899b985 in QWidgetPrivate::deleteTLSysExtra() () at
/usr/lib/libQt5Widgets.so.5
#8  0x00007f10d89a06d1 in QWidget::destroy(bool, bool) () at
/usr/lib/libQt5Widgets.so.5
#9  0x00007f10d89a82ad in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#10 0x00007f10d8a7568e in  () at /usr/lib/libQt5Widgets.so.5
#11 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#12 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#13 0x00007f10d8a77ec6 in  () at /usr/lib/libQt5Widgets.so.5
#14 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#15 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#16 0x00007f10d8a6a47a in QComboBox::~QComboBox() () at
/usr/lib/libQt5Widgets.so.5
#17 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#18 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#19 0x00007f10d89a84aa in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#20 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#21 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#22 0x00007f10d8b1467a in QStackedWidget::~QStackedWidget() () at
/usr/lib/libQt5Widgets.so.5
#23 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#24 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#25 0x00007f10d8b368ba in QTabWidget::~QTabWidget() () at
/usr/lib/libQt5Widgets.so.5
#26 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#27 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#28 0x00007f10d89a84aa in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#29 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#30 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#31 0x00007f10d93eee35 in KMainWindow::~KMainWindow() () at
/usr/lib/libKF5XmlGui.so.5
#32 0x00007f1093c37a3c in  () at /usr/lib/qt/plugins/kstyle_qtcurve5_config.so
#33 0x00007f1093c37a89 in  () at /usr/lib/qt/plugins/kstyle_qtcurve5_config.so
#34 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#35 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#36 0x00007f10d8adc63a in QMdiSubWindow::~QMdiSubWindow() () at
/usr/lib/libQt5Widgets.so.5
#37 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#38 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#39 0x00007f10d89a84aa in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#40 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#41 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#42 0x00007f1093c511ee in  () at /usr/lib/qt/plugins/kstyle_qtcurve5_config.so
#43 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#44 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#45 0x00007f10d8a53aea in QFrame::~QFrame() () at /usr/lib/libQt5Widgets.so.5
#46 0x00007f1093c3f6c4 in  () at /usr/lib/qt/plugins/kstyle_qtcurve5_config.so
#47 0x00007f1093c40539 in  () at /usr/lib/qt/plugins/kstyle_qtcurve5_config.so
#48 0x00007f10d7f397ab in QObjectPrivate::deleteChildren() () at
/usr/lib/libQt5Core.so.5
#49 0x00007f10d89a828f in QWidget::~QWidget() () at /usr/lib/libQt5Widgets.so.5
#50 0x00007f10a39f62ee in  () at /usr/lib/qt/plugins/kcm_style.so
#51 0x00007f10a39ef0b8 in  () at /usr/lib/qt/plugins/kcm_style.so
#52 0x00007f10d7f3b9d0 in QMetaObject::activate(QObject*, int, int, void**) ()
at /usr/lib/libQt5Core.so.5
#53 0x00007f10d8a58eb3 in QAbstractButton::clicked(bool) () at
/usr/lib/libQt5Widgets.so.5
#54 0x00007f10d8a590cc in  () at /usr/lib/libQt5Widgets.so.5
#55 0x00007f10d8a5a4c2 in  () at /usr/lib/libQt5Widgets.so.5
#56 0x00007f10d8a5a696 in QAbstractButton::mouseReleaseEvent(QMouseEvent*) ()
at /usr/lib/libQt5Widgets.so.5
#57 0x00007f10d89acb68 in QWidget::event(QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#58 0x00007f10d896be24 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#59 0x00007f10d8973929 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#60 0x00007f10d7f10e99 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#61 0x00007f10d8972c08 in QApplicationPrivate::sendMouseEvent(QWidget*,
QMouseEvent*, QWidget*, QWidget*, QWidget**, QPointer<QWidget>&, bool, bool) ()
at /usr/lib/libQt5Widgets.so.5
#62 0x00007f10d89c7e93 in  () at /usr/lib/libQt5Widgets.so.5
#63 0x00007f10d89caf87 in  () at /usr/lib/libQt5Widgets.so.5
#64 0x00007f10d896be24 in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() at /usr/lib/libQt5Widgets.so.5
#65 0x00007f10d89736e1 in QApplication::notify(QObject*, QEvent*) () at
/usr/lib/libQt5Widgets.so.5
#66 0x00007f10d7f10e99 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() at /usr/lib/libQt5Core.so.5
#67 0x00007f10d837496e in
QGuiApplicationPrivate::processMouseEvent(QWindowSystemInterfacePrivate::MouseEvent*)
() at /usr/lib/libQt5Gui.so.5
#68 0x00007f10d8375dd6 in
QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*)
() at /usr/lib/libQt5Gui.so.5
#69 0x00007f10d834f75c in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() at /usr/lib/libQt5Gui.so.5
#70 0x00007f10d205e90c in  () at /usr/lib/libQt5XcbQpa.so.5
#71 0x00007f10d54e2a2f in g_main_context_dispatch () at
/usr/lib/libglib-2.0.so.0
#72 0x00007f10d54e45e9 in  () at /usr/lib/libglib-2.0.so.0
#73 0x00007f10d54e462e in g_main_context_iteration () at
/usr/lib/libglib-2.0.so.0
#74 0x00007f10d7f66ce9 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
at /usr/lib/libQt5Core.so.5
#75 0x00007f10d7f0fb2c in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at
/usr/lib/libQt5Core.so.5
#76 0x00007f10d7f17e36 in QCoreApplication::exec() () at
/usr/lib/libQt5Core.so.5
#77 0x0000561b21684465 in  ()
#78 0x00007f10d7967223 in __libc_start_main () at /usr/lib/libc.so.6
#79 0x0000561b216844ee in _start ()
[Inferior 1 (process 10816) detached]

Possible duplicates by query: bug 373735.

Reported using DrKonqi

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