https://bugs.kde.org/show_bug.cgi?id=472290

            Bug ID: 472290
           Summary: systemsettings5 crash after changing theme (and after
                    debian upgrade 10 to 11)
    Classification: Applications
           Product: systemsettings
           Version: 5.20.5
          Platform: Debian stable
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: ulysse.schwa...@gmail.com
  Target Milestone: ---

Application: systemsettings5 (5.20.5)

Qt Version: 5.15.2
Frameworks Version: 5.78.0
Operating System: Linux 5.10.0-23-amd64 x86_64
Windowing system: X11
Distribution: Debian GNU/Linux 11 (bullseye)

-- Information about the crash:
- What I was doing when the application crashed:
i upraded from debian10 to debian11, then lauchned systemsettings5 it worked, i
changed a them, close systemsettings5, and since then systemsettings5 keep
crashing if i try to reopen it.

discover also crash.

i have not tried all kde applications, ktorrent works for example...

- Unusual behavior I noticed:

- Custom settings of the application:

The crash can be reproduced every time.

-- Backtrace:
Application: Configuration du système (systemsettings5), signal: Segmentation
fault

[KCrash Handler]
#4  0x00007f24e08c4610 in QObject::objectName() const () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#5  0x00007f24d97234d6 in
chameleon::ChameleonStyle::drawControl(QStyle::ControlElement, QStyleOption
const*, QPainter*, QWidget const*) const () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libchameleon.so
#6  0x00007f24d971d9e0 in
chameleon::ChameleonStyle::drawComplexControl(QStyle::ComplexControl,
QStyleOptionComplex const*, QPainter*, QWidget const*) const () from
/usr/lib/x86_64-linux-gnu/qt5/plugins/styles/libchameleon.so
#7  0x00007f244b86b89f in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/qqc2desktopstyle/private/libqqc2desktopstyleplugin.so
#8  0x00007f244b86c87f in ?? () from
/usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/qqc2desktopstyle/private/libqqc2desktopstyleplugin.so
#9  0x00007f24dfd25d95 in QQuickWindowPrivate::polishItems() () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#10 0x00007f24dfdab18e in QQuickRenderControl::polishItems() () from
/lib/x86_64-linux-gnu/libQt5Quick.so.5
#11 0x00007f24e0048be5 in ?? () from
/lib/x86_64-linux-gnu/libQt5QuickWidgets.so.5
#12 0x00007f24e149aa04 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f24e145a15f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f24e089afca in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#15 0x00007f24e1492046 in QWidgetPrivate::sendPendingMoveAndResizeEvents(bool,
bool) () from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#16 0x00007f24e1496963 in QWidgetPrivate::show_helper() () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#17 0x00007f24e1499af3 in QWidgetPrivate::setVisible(bool) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#18 0x00007f24e14968e9 in QWidgetPrivate::showChildren(bool) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#19 0x00007f24e149697f in QWidgetPrivate::show_helper() () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#20 0x00007f24e1496909 in QWidgetPrivate::showChildren(bool) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#21 0x00007f24e149697f in QWidgetPrivate::show_helper() () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#22 0x00007f24e1499af3 in QWidgetPrivate::setVisible(bool) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f24e14968e9 in QWidgetPrivate::showChildren(bool) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#24 0x00007f24e149697f in QWidgetPrivate::show_helper() () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#25 0x00007f24e1499af3 in QWidgetPrivate::setVisible(bool) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#26 0x000055e1efd4a82f in ?? ()
#27 0x000055e1efd4c1d9 in ?? ()
#28 0x00007f24e08c6ff1 in QObject::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f24e1e01659 in KXmlGuiWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#30 0x00007f24e145a15f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#31 0x00007f24e089afca in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f24e089da01 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f24e08f2e93 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#34 0x00007f24de3bce6b in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f24de3bd118 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f24de3bd1cf in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#37 0x00007f24e08f251f in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f24e089998b in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00007f24e08a1c00 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#40 0x000055e1efd47d2c in ?? ()
#41 0x00007f24e026fd0a in __libc_start_main () from
/lib/x86_64-linux-gnu/libc.so.6
#42 0x000055e1efd486ea in _start ()
[Inferior 1 (process 10863) detached]

The reporter indicates this bug may be a duplicate of or related to bug 438708.

Possible duplicates by query: bug 446790, bug 438708, bug 437971, bug 434276,
bug 427248.

Reported using DrKonqi

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