[kmail2] [Bug 425604] New: kmail crashes when using kvantum theme engine

[Dmitry]

https://bugs.kde.org/show_bug.cgi?id=425604

            Bug ID: 425604
           Summary: kmail crashes when using kvantum theme engine
           Product: kmail2
           Version: unspecified
          Platform: Debian stable
                OS: Linux
            Status: REPORTED
          Keywords: drkonqi
          Severity: crash
          Priority: NOR
         Component: general
          Assignee: kdepim-bugs at kde.org
          Reporter: distselemov at gmail.com
  Target Milestone: ---

Application: kmail (5.15.0 (20.08.0))

Qt Version: 5.14.2
Frameworks Version: 5.73.0
Operating System: Linux 5.7.16-xanmod2 x86_64
Windowing system: X11
Distribution: Debian GNU/Linux bullseye/sid

-- Information about the crash:
After upgrading to KDE Apps 20.08 kmail began crashing every time I opened it
from tray icon. It successfully starts and sits in a tray unless I open it.

The crash can be reproduced every time.

-- Backtrace:
Application: KMail (kmail), signal: Segmentation fault

[KCrash Handler]
#4  0x00007f4c31e225c6 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#5  0x00007f4c31de203f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#6  0x00007f4c31347b62 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f4c31e225e4 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f4c30c1aa8b in KMainWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#9  0x00007f4c30c64a17 in KXmlGuiWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#10 0x00007f4c31de203f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f4c31347b62 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f4c31dec7b7 in QApplication::setActiveWindow(QWidget*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f4c31dec9cb in
QApplicationPrivate::notifyActiveWindowChange(QWindow*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f4c3170ba05 in
QGuiApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007f4c316e5bfb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007f4c20fd3b6a in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#17 0x00007f4c2a8b65fd in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f4c2a8b6880 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f4c2a8b690f in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f4c3139d2ff in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f4c313464db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f4c3134e782 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#23 0x0000559d7c9114be in main (argc=<optimized out>, argv=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qcoreapplication.h:116
[Inferior 1 (process 227542) detached]

Possible duplicates by query: bug 425532, bug 425508, bug 425334, bug 425209,
bug 425205.

Reported using DrKonqi

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