[kmail2] [Bug 425665] New: kmail crashes when it uses kvantum theme engine while I try to download the attachment

[Dmitriy]

https://bugs.kde.org/show_bug.cgi?id=425665

            Bug ID: 425665
           Summary: kmail crashes when it uses kvantum theme engine while
                    I try to download the attachment
           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-drm-legacy-enabled-native-1000hz x86_64
Windowing system: X11
Distribution: Debian GNU/Linux bullseye/sid

-- Information about the crash:
Kmail crashes when it uses kvantum theme engine while I try to download the
attachment.
Starting kmail with QT_STYLE_OVERRIDE=breeze solve the issue and can be used as
a workaround.
I'm using Nvidia 340.108 drivers on this machine.

The crash can be reproduced every time.

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

[KCrash Handler]
#4  0x00007f71eaade5c6 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#5  0x00007f71eaa9e03f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#6  0x00007f71ea003b62 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#7  0x00007f71eaade5e4 in QWidget::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#8  0x00007f71e98d6a8b in KMainWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#9  0x00007f71e9920a17 in KXmlGuiWindow::event(QEvent*) () from
/lib/x86_64-linux-gnu/libKF5XmlGui.so.5
#10 0x00007f71eaa9e03f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#11 0x00007f71ea003b62 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#12 0x00007f71eaaa8807 in QApplication::setActiveWindow(QWidget*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#13 0x00007f71eaaa89cb in
QApplicationPrivate::notifyActiveWindowChange(QWindow*) () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#14 0x00007f71ea3c7a05 in
QGuiApplicationPrivate::processActivatedEvent(QWindowSystemInterfacePrivate::ActivatedWindowEvent*)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#15 0x00007f71ea3a1bfb in
QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>)
() from /lib/x86_64-linux-gnu/libQt5Gui.so.5
#16 0x00007f71d6c82b6a in ?? () from /lib/x86_64-linux-gnu/libQt5XcbQpa.so.5
#17 0x00007f71e32ad5fd in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#18 0x00007f71e32ad880 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#19 0x00007f71e32ad90f in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#20 0x00007f71ea0592ff in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#21 0x00007f71ea0024db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#22 0x00007f71eac95017 in QDialog::exec() () from
/lib/x86_64-linux-gnu/libQt5Widgets.so.5
#23 0x00007f71e901f785 in ?? () from
/lib/x86_64-linux-gnu/libKF5MessageViewer.so.5abi1
#24 0x00007f71e8fed38f in
MessageViewer::ViewerPrivate::openAttachment(KMime::Content*, QUrl const&) ()
from /lib/x86_64-linux-gnu/libKF5MessageViewer.so.5abi1
#25 0x00007f71e8ff59a2 in MessageViewer::AttachmentURLHandler::handleClick(QUrl
const&, MessageViewer::ViewerPrivate*) const () from
/lib/x86_64-linux-gnu/libKF5MessageViewer.so.5abi1
#26 0x00007f71e8ff4ee8 in MessageViewer::URLHandlerManager::handleClick(QUrl
const&, MessageViewer::ViewerPrivate*) const () from
/lib/x86_64-linux-gnu/libKF5MessageViewer.so.5abi1
#27 0x00007f71e8fdcac1 in MessageViewer::ViewerPrivate::slotUrlOpen(QUrl
const&) () from /lib/x86_64-linux-gnu/libKF5MessageViewer.so.5abi1
#28 0x00007f71ea02ef21 in QObject::event(QEvent*) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#29 0x00007f71eaa9e03f in QApplicationPrivate::notify_helper(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Widgets.so.5
#30 0x00007f71ea003b62 in QCoreApplication::notifyInternal2(QObject*, QEvent*)
() from /lib/x86_64-linux-gnu/libQt5Core.so.5
#31 0x00007f71ea0064c1 in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#32 0x00007f71ea059c73 in ?? () from /lib/x86_64-linux-gnu/libQt5Core.so.5
#33 0x00007f71e32ad5fd in g_main_context_dispatch () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#34 0x00007f71e32ad880 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#35 0x00007f71e32ad90f in g_main_context_iteration () from
/lib/x86_64-linux-gnu/libglib-2.0.so.0
#36 0x00007f71ea0592ff in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /lib/x86_64-linux-gnu/libQt5Core.so.5
#37 0x00007f71ea0024db in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#38 0x00007f71ea00a782 in QCoreApplication::exec() () from
/lib/x86_64-linux-gnu/libQt5Core.so.5
#39 0x00005571c5edb4be in main (argc=<optimized out>, argv=<optimized out>) at
/usr/include/x86_64-linux-gnu/qt5/QtCore/qcoreapplication.h:116
[Inferior 1 (process 18178) detached]

The reporter indicates this bug may be a duplicate of or related to bug 425604.

Possible duplicates by query: bug 425658, bug 425619, bug 425604, bug 425532,
bug 425508.

Reported using DrKonqi

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